A group of compounds containing the porphin structure, four pyrrole rings connected by methine bridges in a cyclic configuration to which a variety of side chains are attached. The nature of the side chain is indicated by a prefix, as uroporphyrin, hematoporphyrin, etc. The porphyrins, in combination with iron, form the heme component in biologically significant compounds such as hemoglobin and myoglobin.
An autosomal dominant porphyria that is due to a deficiency of COPROPORPHYRINOGEN OXIDASE in the LIVER, the sixth enzyme in the 8-enzyme biosynthetic pathway of HEME. Clinical features include both neurological symptoms and cutaneous lesions. Patients excrete increased levels of porphyrin precursors, 5-AMINOLEVULINATE and COPROPORPHYRINS.
An enzyme that catalyzes the oxidative decarboxylation of coproporphyrinogen III to protoporphyrinogen IX by the conversion of two propionate groups to two vinyl groups. It is the sixth enzyme in the 8-enzyme biosynthetic pathway of HEME, and is encoded by CPO gene. Mutations of CPO gene result in HEREDITARY COPROPORPHYRIA.
A group of metabolic diseases due to deficiency of one of a number of LIVER enzymes in the biosynthetic pathway of HEME. They are characterized by the accumulation and increased excretion of PORPHYRINS or its precursors. Clinical features include neurological symptoms (PORPHYRIA, ACUTE INTERMITTENT), cutaneous lesions due to photosensitivity (PORPHYRIA CUTANEA TARDA), or both (HEREDITARY COPROPORPHYRIA). Hepatic porphyrias can be hereditary or acquired as a result of toxicity to the hepatic tissues.
A diverse group of metabolic diseases characterized by errors in the biosynthetic pathway of HEME in the LIVER, the BONE MARROW, or both. They are classified by the deficiency of specific enzymes, the tissue site of enzyme defect, or the clinical features that include neurological (acute) or cutaneous (skin lesions). Porphyrias can be hereditary or acquired as a result of toxicity to the hepatic or erythropoietic marrow tissues.
Paraneoplastic Cerebellar Degeneration
Cerebellar degeneration associated with a remote neoplasm. Clinical manifestations include progressive limb and GAIT ATAXIA; DYSARTHRIA; and NYSTAGMUS, PATHOLOGIC. The histologic type of the associated neoplasm is usually carcinoma or lymphoma. Pathologically the cerebellar cortex and subcortical nuclei demonstrate diffuse degenerative changes. Anti-Purkinje cell antibodies (anti-Yo) are found in the serum of approximately 50% of affected individuals. (Adams et al., Principles of Neurology, 6th ed, p686)
Yellow discoloration of the SKIN; MUCOUS MEMBRANE; and SCLERA in the NEWBORN. It is a sign of NEONATAL HYPERBILIRUBINEMIA. Most cases are transient self-limiting (PHYSIOLOGICAL NEONATAL JAUNDICE) occurring in the first week of life, but some can be a sign of pathological disorders, particularly LIVER DISEASES.
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Genomic structure of the canalicular multispecific organic anion-transporter gene (MRP2/cMOAT) and mutations in the ATP-binding-cassette region in Dubin-Johnson syndrome. (1/90)Dubin-Johnson syndrome (DJS) is an autosomal recessive disease characterized by conjugated hyperbilirubinemia. Previous studies of the defects in the human canalicular multispecific organic anion transporter gene (MRP2/cMOAT) in patients with DJS have suggested that the gene defects are responsible for DJS. In this study, we determined the exon/intron structure of the human MRP2/cMOAT gene and further characterized mutations in patients with DJS. The human MRP2/cMOAT gene contains 32 exons, and it has a structure that is highly conserved with that of another ATP-binding-cassette gene, that for a multidrug resistance-associated protein. We then identified three mutations, including two novel ones. All mutations identified to date are in the cytoplasmic domain, which includes the two ATP-binding cassettes and the linker region, or adjacent putative transmembrane domain. Our results confirm that MRP2/cMOAT is the gene responsible for DJS. The finding that mutations are concentrated in the first ATP-binding-cassette domain strongly suggests that a disruption of this region is a critical route to loss of function. (+info)
Iron-coproporphyrin III is a natural cofactor in bacterioferritin from the anaerobic bacterium Desulfovibrio desulfuricans. (2/90)A bacterioferritin was recently isolated from the anaerobic sulphate-reducing bacterium Desulfivibrio desulfuricans ATCC 27774 [Romao et al. (2000) Biochemistry 39, 6841-6849]. Although its properties are in general similar to those of the other bacterioferritins, it contains a haem quite distinct from the haem B, found in bacterioferritins from aerobic organisms. Using visible and NMR spectroscopies, as well as mass spectrometry analysis, the haem is now unambiguously identified as iron-coproporphyrin III, the first example of such a prosthetic group in a biological system. This unexpected finding is discussed in the framework of haem biosynthetic pathways in anaerobes and particularly in sulphate-reducing bacteria. (+info)
Antitumor effect of photodynamic therapy with zincphyrin, zinc-coproporphyrin III, in mice. (3/90)We studied the antitumor effects of photodynamic therapy (PDT) with Zincphyrin, coproporphyrin III with zinc, derived from Streptomyces sp. AC8007, in vitro and in vivo. The photokilling effect of Zincphyrin in the presence of 0.78-100 microg/ml with visible light of 27.2 mW x min/cm2 for 10 min was lower than the hematoporphyrin (Hp) used as a control with L5178Y or sarcoma-180 cells. On the other hand, Zincphyrin apparently reduced tumor growth after intraperitoneal injection at doses of 12.5-50 mg/kg with light irradiation of 75.48 mW x min/cm2 for 10 min in sarcoma-180-bearing mice. Although no mice treated with Zincphyrin died, Hp did cause the death of mice. In B-16 melanoma-bearing mice, both Zincphyrin and Hp had a similar phototherapic effect. Further improvement of the phototherapic effect was observed with the continuous administration of Zincphyrin at 12.5 mg/kg per day for 3 days. The concentration of Zincphyrin in the serum reached a maximum level of 16 microg/ml within 20 min, and the concentration remained at 4.2 microg/ml at 1 hour after the onset of treatment, indicating its rapid action in the body. No animals died after the intraperitoneal administration of Zincphyrin at 100 mg/kg plus exposure to light of 10 mW x min/cm2 for 2 hours, and the body weight of the mice did not decrease. In contrast, all animals receiving 100 mg/kg of Hp under the same conditions died. These results indicate that Zincphyrin would be a useful photosensitizer with low phototoxicity. (+info)
Characterization of mutations in the CPO gene in British patients demonstrates absence of genotype-phenotype correlation and identifies relationship between hereditary coproporphyria and harderoporphyria. (4/90)Hereditary coproporphyria (HCP) is the least common of the autosomal dominant acute hepatic porphyrias. It results from mutations in the CPO gene that encodes the mitochondrial enzyme, coproporphyrinogen oxidase. A few patients have also been reported who are homoallellic or heteroallelic for CPO mutations and are clinically distinct from those with HCP. In such patients the presence of a specific mutation (K404E) on one or both alleles produces a neonatal hemolytic anemia that is known as "harderoporphyria"; mutations on both alleles elsewhere in the gene give rise to the "homozygous" variant of HCP. The molecular relationship between these disorders and HCP has not been defined. We describe the molecular investigation and clinical features of 17 unrelated British patients with HCP. Ten novel and four previously reported CPO mutations, together with three previously unrecognized single-nucleotide polymorphisms, were identified in 15 of the 17 patients. HCP is more heterogeneous than other acute porphyrias, with all but one mutation being restricted to a single family, with a predominance of missense mutations (10 missense, 2 nonsense, 1 frameshift, and 1 splice site). Of the four known mutations, one (R331W) has previously been reported to cause disease only in homozygotes. Heterologous expression of another mutation (R401W) demonstrated functional properties similar to those of the K404E harderoporphyria mutation. In all patients, clinical presentation was uniform, in spite of the wide range (1%-64%) of residual coproporphyrinogen oxidase activity, as determined by heterologous expression. Our findings add substantially to knowledge of the molecular epidemiology of HCP, show that single copies of CPO mutations that are known or predicted to cause "homozygous" HCP or harderoporphyria can produce typical HCP in adults, and demonstrate that the severity of the phenotype does not correlate with the degree of inactivation by mutation of coproporphyrinogen oxidase. (+info)
Extracellular heme peroxidases in actinomycetes: a case of mistaken identity. (5/90)Actinomycetes secrete into their surroundings a suite of enzymes involved in the biodegradation of plant lignocellulose; these have been reported to include both hydrolytic and oxidative enzymes, including peroxidases. Reports of secreted peroxidases have been based upon observations of peroxidase-like activity associated with fractions that exhibit optical spectra reminiscent of heme peroxidases, such as the lignin peroxidases of wood-rotting fungi. Here we show that the appearance of the secreted pseudoperoxidase of the thermophilic actinomycete Thermomonospora fusca BD25 is also associated with the appearance of a heme-like spectrum. The species responsible for this spectrum is a metalloporphyrin; however, we show that this metalloporphyrin is not heme but zinc coproporphyrin. The same porphyrin was found in the growth medium of the actinomycete Streptomyces viridosporus T7A. We therefore propose that earlier reports of heme peroxidases secreted by actinomycetes were due to the incorrect assignment of optical spectra to heme groups rather than to non-iron-containing porphyrins and that lignin-degrading heme peroxidases are not secreted by actinomycetes. The porphyrin, an excretory product, is degraded during peroxidase assays. The low levels of secreted peroxidase activity are associated with a nonheme protein fraction previously shown to contain copper. We suggest that the role of the secreted copper-containing protein may be to bind and detoxify metals that can cause inhibition of heme biosynthesis and thus stimulate porphyrin excretion. (+info)
Neonatal-onset hereditary coproporphyria with male pseudohermaphrodism. (6/90)The appearance of hereditary coproporphyria (HCP) before puberty is very rare, and all reported cases of early-onset HCP have been in the homozygous or the compound heterozygous state. Some have been identified as harderoporphyria, which is a rare erythropoietic variant form of HCP. These conditions can be differentiated by molecular analysis because the gene abnormality responsible for harderoporphyria seems to be unique (K404E). Early-onset HCP, not harderoporphyria, is reported with a gene mutation in the heterozygous state and male pseudohermaphrodism. It was shown that adrenal gland hypofunction resulted in male pseudohermaphrodism. This case demonstrates the possibility that abnormalities of steroid metabolism influence porphyria. (+info)
Differentiation of porphyria cutanea tarda symptomatica from other types of porphyria by measurement of isocoproporphyrin in faeces. (7/90)The faecal porphyrin patterns of 24 patients with porphyria cutanea tarda symptomatica (PCTS), eight patients with variegate porphyria, three patients with other types of porphyria, and 20 non-porphyrics subjects have been compared using a two-demensional thin layer chromatographic technique that separates porphyrins of the isocoproporphyrin series from other faecal porphyrins. The 'isocoproporphyrin': coproporphyrin ratio ranged from 0-1 to 5-6 for patients with PCTS, whereas in other types of porphyria and non-porphyric subjects it was 0-05 or less. (+info)
Clinical and biochemical characteristics and genotype-phenotype correlation in Finnish variegate porphyria patients. (8/90)Variegate porphyria (VP) is an inherited metabolic disease resulting from the partial deficiency of protoporphyrinogen oxidase, the penultimate enzyme in the heme biosynthetic pathway. We have evaluated the clinical and biochemical outcome of 103 Finnish VP patients diagnosed between 1966 and 2001. Fifty-two per cent of patients had experienced clinical symptoms: 40% had photosensitivity, 27% acute attacks and 14% both manifestations. The proportion of patients with acute attacks has decreased dramatically from 38 to 14% in patients diagnosed before and after 1980, whereas the prevalence of skin symptoms had decreased only subtly from 45 to 34%. We have studied the correlation between PPOX genotype and clinical outcome of 90 patients with the three most common Finnish mutations I12T, R152C and 338G-->C. The patients with the I12T mutation experienced no photosensitivity and acute attacks were rare (8%). Therefore, the occurrence of photosensitivity was lower in the I12T group compared to the R152C group (P=0.001), whereas no significant differences between the R152C and 338G-->C groups could be observed. Biochemical abnormalities were significantly milder suggesting a milder form of the disease in patients with the I12T mutation. In all VP patients, normal excretion of protoporphyrin in faeces in adulthood predicted freedom from both skin symptoms and acute attacks. The most valuable test predicting an increased risk of symptoms was urinary coproporphyrin, but only a substantially increased excretion exceeding 1,000 nmol/day was associated with an increased risk of both skin symptoms and acute attacks. All patients with an excretion of more than 1,000 nmol/day experienced either skin symptoms, acute attacks, or both. (+info)
Preview: Suggestivism Group Show at Copro Gallery | Hi-Fructose Magazine
Heidi Tailifer. Artist and curator Nathan Spoor takes over Copro Gallery in Santa Monica this month for another iteration of his Suggestivism group show, an annual exhibition with a rotating roster of contemporary artists. Spoor coined the term Suggestivism during his graduate studies to describe the type of ambiguous, fantastical figurative art he was creating. He later discovered that art historian Sadakichi Hartmann used the term as early as 1890 to describe an art that is possibly more than it seems, or possibly an art that is not what it seems. The description seems apt for the collection of dreamlike, imagination-driven works in the show, featuring artists like Amy Sol, Dan May, Scott Musgrove, Heidi Tailifer, Michael Page, Hannah Yata and Marco Mazzoni. Spoor has staged past versions of the show in LA, Rome and New York. Take a look at the new work in this years rendition below.. Suggestivism opens August 16 and will be on view through September 6.. ...
Preview: beinArt Collective 2013 at Copro Gallery | Hi-Fructose Magazine
Christian Rex van Minnen. Curated by Jon Beinart of beinArt Collective and Publishing, beinArt Collective 2013 is a group show that revels in the macabre. The participating artists, including Chet Zar, Christian Rex van Minnen, Sam Wolfe Connelly, Kikyz 1313, Kris Lewis, Erik Thor Sandberg and Caitlin Hackett, all have a dark edge to their work that is manifested in different ways. Christian Rex van Minnens work is visceral and grotesque, playing on his viewers gag reflexes, while Chet Zars subject matter is outright diabolical and Erik Thor Sandbergs mythological narratives have a brutal quality. BeinArt Collective opens at Copro Gallery in Santa Monica on November 9. Take a look at a sneak peek of the show below. Participating artists include: Chet Zar, Chris Mars, Kris Lewis, David Bowers, Christian Van Minnen, Ana Bagayan, Scott Scheidly, Jana Brike, Scott Brooks, Brian Despain, Charlie Immer, Madeline von Foerster, Chistopher Ulrich, Santiago Caruso, Shawn Barber, Peter Gric, Carlos ...
Hunt and Gather by Tina Ziegler: Hi Fructose Mag group show at Copro Nason Gallery
Brian Viveros * Brian Despain * Chet Zar * Chris Peters * Christopher Ryniak* Christian van Minnen * Dan Quintana * Daniel Lim * Dan May * Dave Cooper * David Stoupakis * Erik Alos * Esao Andrews * Germs * Gris Grimly * Jeff Gillette * Jeff McMillan * Jeff Soto * Jim Woodring * Josh Keyes * Keith Weesner * KMNDZ * Kukula* Lola * Luke Chueh * Makiko Sugawa * Mark Covell * Matt Dangler * Martin Witfooth * Michael Page * Michelle Mia Araujo * Naoto Hattori * Nathan Spoor Laurie Lipton * Noferin * Oksana Badrak * Ray Caesar * Shag * Scott Belcastro * Tin * Stella Im Hultberg * Travis Louie * Winston Smith * Xiaoqing Ding * Yoskay Yamamoto & many more ...
Oilslicks 005 - Cephalotus, Stage 2ish - Zoetica Ebb // Biorequiem.com
I give you a few progress shots of my toothy Cephalotus, being brought into existence for Conjoined - Chet Zars group exhibit at Copro Nason on January 21.. This is maybe five sessions of varying lengths since the first layer post a few weeks back, as well as one unfortunate 5-hour stretch that ended in me erasing half the piece. The painting was on pause for a few weeks while I was plagued by a nasty case of strep throat, but now its steadily nearing completion.. Before you scroll, I warn you: this beast is highly NSFW!. ...
Urinary Excretion of 17-Oxosteroids in Hereditary Coproporphyria | Clinical Science | Portland Press
1. Urinary 17-oxosteroid conjugates were measured by gas-liquid chromatography in five patients with hereditary coproporphyria.. 2. Three patients were in an acute attack and showed significantly increased excretion of sulphate or glucuronide conjugates of aetiocholanolone. There was increased excretion of several other related steroids but no consistent pattern was apparent.. 3. In the two patients in remission, excretion of urinary 17-oxosteroids was not increased.. 4. The ratio of total urinary aetiocholanolone to androsterone (5β:5α) was found to be significantly elevated for the three patients in an acute attack. Serial measurements were made in two of these patients and showed a highly significant linear correlation between this ratio and the urinary content of δ-aminolaevulic acid and porphobilinogen.. 5. These observations suggest the involvement of the 17-oxosteroids, especially aetiocholanolone, in the pathogenesis of hereditary coproporphyria. ...
Hereditary Coproporphyria Treatment & Management: Approach Considerations, Diet
Hereditary coproporphyria is one of the porphyrias, a group of diseases that involves defects in heme metabolism and that results in excessive secretion of porphyrins and porphyrin precursors. Inheritance is autosomal (usually autosomal dominant, but sometimes autosomal recessive).
Hereditary coproporphyria | Genetic and Rare Diseases Information Center (GARD) - an NCATS Program
A collection of disease information resources and questions answered by our Genetic and Rare Diseases Information Specialists for Hereditary coproporphyria
Hereditary Coproporphyria Associated with the Q306X Mutation in the Coproporphyrin Oxidase Gene Presenting with Acute Ataxia
Blood count, routine biochemistry; copper and iron metabolism studies; and serum levels of thyroid hormones, vitamins A, B1, B6, B12, E, folic acid, proteinogram, immunoglobulins, C3, and C4 were normal. Serological studies for syphilis; Brucella; Borrelia; hepatitis A, B, and C; HIV, herpesvirus simplex 1 and 2, herpesvirus zoster; cytomegalovirus; Epstein-Barr virus; and measles were negative. Antinuclear antibodies, anti-Sjögren syndrome A and B, antineutrophil cytoplasmic, antigliadin antibodies, and cryoglobulins were negative. Tumor markers, including carcinogenic embryogenic antigen; alpha-fetoprotein; carbohydrate antigen (CA)125, CA19-9, and CA15-3; neuron-specific enolase; and prostatic-specific antigen were negative. Anti-Yo and anti-Hu antigens were negative both in serum and in cerebrospinal fluid (CSF). A test for 14-3-3 protein in CSF was also negative.. Brain computed tomography (CT) scan, brain magnetic resonance imaging, and thoraco-abdomino-pelvic CT scan were normal. Routine ...
Coproporphyrine Isomers and Methotrexate Elimination - Full Text View - ClinicalTrials.gov
MTX is a substrate of MRP2, a renal tubular transporter encoded by the ABCC2 gene. It has been shown that single nucleotide polymorphisms (SNPs) on the ABCC2 gene are associated with impairment of MTX elimination. Mutations on the ABCC2 gene are also responsible for the Dubin-Johnson syndrome, characterised by the absence of a functional MRP2 protein. Apart from hyperbilirubinaemia, the main biological perturbation observed in this disease is a typical increase of the urinary ratio of coproporphyrins I (I+ III) (UCP ratio). Our hypothesis is that the UCP ratio could be used as a biomarker of MRP2s activity, thus predicting MTX elimination. One hundred patients treated with high dose MTX will be recruited in this prospective study. Their UCP ratio will be measured before and after MTX administration and correlated with MTX clearance. A genetic analysis will be conducted to study the five more frequents SNPs of ABCC2 in each patient ...
Pigment metabolism. II. Determinations of bilirubin and carotinoids in the plasma and of coproporphyrin in the urine and faeces...
The investigations on Theileria parva infection of cattle revealed : (1) That bilirubinaemia did occur, the highest figure for plasma bilirubin being 12 v. d. Bergh units. (2) That the yellow staining of the fat is due to the combined effect of carotinoids and bilirubin. (3) That the intensity of the yellow colour of the plasma is in part due to carotinoids, a normal constituent of the blood of cattle, especially if they be fed on food containing carotinoids. (4) That there is a definite rise in the concentration of coproporphyrin in the faeces and urine. Such a rise, however, does not necessarily mean that there is an increase in the total amount excreted as the rise may be due to the decrease in the amount of faeces passed as a result of the disease ...
Porphyrin metabolism | LAMP
Porphyrins are organic aromatic compounds composed of four pyrrole rings interconnected to each other and to the Fe2+ ion. Porphyrins are essential cofactors of many proteins including cytochrome proteins and haemoglobin and myoglobin in humans. The first step in the production of porphyrin in animals is the mitochondrial formation of delta-aminolevulinate from glycine and succinyl-CoA. In humans, this aminolevulinate is then transported to cytosol where the 4-step conversion into Coproporphyrinogen III occurs. The remaining processing of this intermediate to protoporphyrin IX and then to heme takes place in mitochondrion.. The cytochrome proteins in Plasmodium and Coccidian species such as Toxoplasma and Neospora require de novo synthesis of porphyrin. Although P. falciparum obtains heme from host haemoglobin digestion, it cannot utilise them for biosynthesis of its own porphyrin-containing proteins  and converts them to hemozoin . The enzymes of de novo heme biosynthesis in P. falciparum ...
PORPHYRIN CHEMISTRY PERTAINING TO THE DESIGN OF ANTICANCER DRUGS .2. THE SYNTHESIS AND IN-VITRO TESTS OF WATER-SOLUBLE...
Water-soluble, meso-substituted porphyrins are synthesized by sulfonation or methylation of the phenyl or pyridyl groups, respectively, of some non-water-soluble functionalized porphyrins that we have recently synthesized (Can. J. Chem. 72, 1894 (1994)). Twelve anionic sulfonated and seven cationic methylpyridinium porphyrins, usually containing other functional groups (phenyl, pyridyl, nitro- and amino-phenyl), are reported on. Twelve of these porphyrins are new, and all nineteen porphyrins are characterized by H-1 NMR. UV-VIS data are presented for the isolated porphyrins, while mass spectral data are noted for selected compounds. Partition coefficients of the porphyrins in octanol-water, and the accumulation of the porphyrins in HT-29 cells of a human-cancer tumor, were measured and both were inversely related to the charges of the porphyrins. The 11 porphyrins soluble in biological buffer solutions are basically nontoxic to Chinese hamster ovary (CHO) cells in oxic or hypoxic conditions or ...
Reactome | UROD decarboxylates URO1 to COPRO1
Reactome is pathway database which provides intuitive bioinformatics tools for the visualisation, interpretation and analysis of pathway knowledge.
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What is Porphyrins? | acridinek
Porphyrins are a accumulation of heterocyclic macrocycle amoebic compounds, composed of four adapted pyrrole subunits commutual at their α carbon atoms via methine bridges (=CH−). The ancestor porphyrin is porphin, and commissioned porphines are alleged porphyrins. The porphyrin ring anatomy is aromatic, with a absolute of 26 electrons in the conjugated system. Various analyses announce…
Porphyrins - blood. Causes, symptoms, treatment Porphyrins - blood
Description of disease Porphyrins - blood. Treatment Porphyrins - blood. Symptoms and causes Porphyrins - blood Prophylaxis Porphyrins - blood
Controlled scrambling in porphyrin synthesis-selective synthesis of 5,10-disubstituted porphyrins - UEA Digital Repository
Cammidge, A and Ozturk, O. (2001) Controlled scrambling in porphyrin synthesis-selective synthesis of 5,10-disubstituted porphyrins. Tetrahedron Letters, 42 (2). p. 355. ...
SACOL RS02380 - AureoWiki
MetabolismBiosynthesis of cofactors, prosthetic groups, and carriersHeme, porphyrin, and cobalaminhydroxymethylbilane synthase (TIGR00212; EC 220.127.116.11; HMM-score: 11.6) ...
Hereditary coproporphyria is an autosomal dominant form of liver (hepatic) porphyria that is very similar to acute intermittent porphyria, although it is usually a less severe disease. It results from low levels of the enzyme responsible for the sixth step in heme production - coproporphyrinogen oxidase. This enzyme speeds the conversion of coproporphyrinogen to protoporphyrinogen. In coproporphyria, the porphyrin precursors porphobilinogen and amino-levulinic acid (ALA) accumulate, as well as the formed porphyrin coproporphyrin. This leads to abdominal pain, neuropathies, constipation, and skin changes. Treatment is dependent on the symptoms ...
P01-026 - A case of FMF and hereditary coproporphyria | Pediatric Rheumatology | Full Text
17 year old boy of Algerian origin presented with long history of recurrent episodes of fever, abdominal pain since infancy. He experiencied 3-4 attacks per year each lasting typically for 2-3 days. There was no family history.. Patient was referred simultaneously to immunology and metabolic medicine for further assessment. Differential diagnoses considered at the time included: periodic fever syndromes, hereditary angioedema, vasculitis and porphyria.. FBC results over the year showed intermittent leucocytosis during acute attacks with elevated C-reactive protein (CRP) and plasma viscosity (PV). Serum amyloid A (SAA) was not measured. Investigations during quiescent phase showed normal levels of SAA but slightly elevated CRP 13.4 mg/l (ref ,10) and neutrophilia of 9.9 x109/l (ref 2.00-7.50).. Genetic investigations for periodic fever syndromes confirmed two pathogenic MEFV gene mutation on sequencing Exon 2 and 10 at p. (Met694IIe(;)Glu148Gln), supporting diagnoses of FMF. Sequencing for MVK ...
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Variegate Porphyria - Protoporphyrinogen Oxidase Deficiency Summary Report | CureHunter
Variegate Porphyria: An autosomal dominant porphyria that is due to a deficiency of protoporphyrinogen oxidase (EC 18.104.22.168) in the LIVER, the seventh enzyme in the 8-enzyme biosynthetic pathway of HEME. Clinical features include both neurological symptoms and cutaneous lesions. Patients excrete increased levels of porphyrin precursors, COPROPORPHYRINS and protoporphyrinogen.
Need help understanding Urinary Porphyrin Profile test results - Autism Spectrum Disorders - ACN Latitudes Forums
I got back a Urinary Porphyrins test from the Laboratoire de Biologie Medicale in Paris France. The following things have been flaged. Uroporphyrins I &am...
Depression (HCP) Symptom Checker: Possible causes include Hereditary Coproporphyria & Hantavirus Pulmonary Syndrome & Erythropoietic Coproporphyria. Check the full list of possible causes and conditions now! Talk to our Chatbot to narrow down your search.
Porphyrins in Erythrocytes and Blood Plasma: Preliminary Studies with Qualitative Thin-Layer Chromatography | Clinical Science
1. A simple chromatographic method for the study of porphyrins in erythrocytes and blood plasma, requiring little technician time, is described. The findings in adults and neonates are presented as well as those from severely ill patients.. 2. The regular occurrence of uro-, copro- and proto-porphyrin in erythrocytes is demonstrable as well as sporadic occurrence of tri-, penta-, hexa- and hepta-carboxylic porphyrin. The method gives, however, irregular values for protoporphyrin, which seems to occur in a more labile form in some subjects than in others; this is especially the case in erythropoietic protoporphyria.. 3. In blood plasma, uroporphyrin occurs regularly, and coproporphyrin less regularly. Protoporphyrin and penta- to hepta-carboxylic porphyrin are found only occasionally.. ...
The synthesis of meso-substituted porphyrins: reaction conditions and substituent effects
The purpose of this study is to gain a better understanding of the parameters governing the synthesis of meso-substituted porphyrins. As a result of doing so, we anticipate that better reaction conditions can be developed, which will afford porphyrins in higher yields. Porphyrins are a large class of deeply colored red or purple, fluorescent crystalline pigments, of natural or synthetic origin, having in common a substituted aromatic macrocyclic ring consisting of four pyrrole-type residues, linked together by four methine bridging groups. The structure of porphyrin has been known since the early 1900s, but discrepancies exist on how the formation of porphyrin actually occurs. Several methods have been developed for the porphyrin reaction under various conditions. Three of the most common methods for the synthesis of meso-substituted porphyrins are: the Rothemund Method, the Adler Method, and the Lindsey Method. The conditions for these reactions vary from the harsh conditions where the ...
Synthetic aspects of carbazole containing porphyrins and porphyrinoids
Porphyrins are tetrapyrrolic aromatic macrocycles and ubiquitous in nature. They are excellent dyes with strong absorption in the visible region (400�700 nm) and they exhibit decent fluorescence in the red region (620�900 nm). Carbazole is a nitrogen-containing electron rich aromatic heterocycle which can be linked to porphyrins and other chromophores. This review provides an overview of the different synthetic strategies that have been employed to prepare carbazole-substituted porphyrins and carbazole-fused porphyrinoids and similar systems. It also shows that how the substitution of carbazole occurs on the porphyrin core can alter its optical and electronic features. Introduction of carbazole moieties in the porphyrin ring resulted in fused porphyrinoids with changed aromaticity and significantly altered electronic features of the molecules ...
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Porphyrins blood test
Porphyrins help form many important substances in the body. One of these is hemoglobin. This is the protein in red blood cells that carries oxygen in the blood. Porphyrins can be measured in the blood or the urine. This article discusses the blood test.
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中国科学院上海有机化学研究所机构知识库(SIOC OpenIR): Synthesis and reactions of the first fluoroalkylated Ni(II) N-confused porphyrins
Jiang HW,Chen QY,Xiao JC,et al. Synthesis and reactions of the first fluoroalkylated Ni(II) N-confused porphyrins[J]. Chem. Commun.,2008(42):5435-5437 ...
Solvent dependent supramolecular self-assembly and surface reversal of a modified porphyrin
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NWMN 1349 - AureoWiki
MetabolismBiosynthesis of cofactors, prosthetic groups, and carriersHeme, porphyrin, and cobalaminglutamyl-tRNA reductase (TIGR01035; EC 22.214.171.124; HMM-score: 16.6) ...
Synchronous fluorescence spectrofluorimetric method for the simultaneous determination of metoprolol and felodipine in combined...
A rapid, simple and sensitive synchronous specrtofluorimetric method has been developed for the simultaneous analysis of binary mixture of metoprolol (MTP) and felodipine (FDP). The method is based upon measurement of the synchronous fluorescence intensity of the two drugs at Δλ of 70 nm in aqueous solution. The different experimental parameters affecting the synchronous fluorescence intensities of the two drugs were carefully studied and optimized. The fluorescence intensity-concentration plots were rectilinear over the ranges of 0.5-10 μg/mL and 0.2-2 μg/mL for MTP and FDP, respectively. The limits of detection were 0.11 and 0.02 μg/mL and quantification limits were 0.32 and 0.06 μg/mL for MTP and FDP, respectively. The proposed method was successfully applied for the determination of the two compounds in their commercial tablets and the results obtained were favorably compared to those obtained with a comparison method.
Individual Tests Archives - Page 8 of 9 - My Labs For Life
Porphyrins are proteins involved in the formation of heme measured in urine. Heme is essential for the proper function of many proteins including oxygen transport, energy production, and detoxification. Proper porphyrin production is essential for our bodys capacity to detoxify toxins.. Porphyrins are particularly well suited for evaluating heavy metal toxicity. The heme pathway is a constantly-changing metabolic pathway that is active in almost every cell of the body. Disturbances in this pathway may cause an accelerated accumulation of porphyrins. It is important to know that these specific enzymes are produced in the heme pathway and are found all over the body and are highly sensitive to the presence of various toxins, creating the large accumulation of porphyrins in the pathway.. ...
Porphyrin-cn web supplied various porphyrin卟啉催化剂, containing fluorescence porphyrin porphine 917-23-7 & Fe porphyrin Mn porphyrin Cu porphyrin Co porphyrin Ni porphyrin Zn porphyrin & metalloporphyrin
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Doctors Data Urine Porphyrins
Doctors Data Urine Porphyrins are oxidized intermediate metabolites of heme biosynthesis and have been associated with genetic disorders, metabolic disturbances/diseases, poor nutritional status, oxidative stress, and high level exposure to toxic chemicals or metals. Purchase Doctors Data Urine Porphyrins online with free shipping!
Urine Porphyrins - Regenerus Labs
Porphyrins are oxidised intermediate metabolites of haem biosynthesis. They are readily excreted in excess when they accumulate as a result of the inhibition of specific enzymes in the haem biosynthetic pathway. Haem is required for oxygen binding, transport and utilisation as well as cytochromes and electron transfer
Spectroscopic and Computational Studies of Porphyrins Utilised in Photovoltaic Devices
The work presented in this thesis encompasses an investigation into a number of porphyrin species. All of this work has a central focus on analysis of the porphyrin electronic structure and within the context of photovoltaics. The first exemplar of structures encompasses a series of Zn(II) tetraphenyl porphyrins which have asymmetrically substituted meso groups. The dihedral angle between the porphyrin macrocycle and the meso binding functionality has been shown not to infer any insulating properties towards delocalisation of the excited state. It is proposed that the electron withdrawing ability of the carboxylate unit is more than sufficient to overcome the poor π-overlap between the aromatic units. The inclusion of redox active functionalities at the distal meso site is shown to affect the energy and nature of the oxidised porphyrin species. It does so without almost any effect to the excited state properties of the structure. Both of these findings are important within the context of ...
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Molecules | Free Full-Text | Unexpected Synthesis of a Bulky Bis-Pocket A3B-Type Meso-Cyano Porphyrin | HTML
A one-pot synthesis of bulky bis-pocket A3B-type meso-cyano porphyrin, 5-cyano-10,15,20-tris(2,4,6-triphenylphenyl)porphyrin, has been accomplished via trifluoroacetic acid (TFA) catalyzed condensation of pyrrole and 2,4,6-triphenylbenzaldehyde in an acceptable yield of about 4%. DDQ served as oxidant and the cyanating agent.
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Synthesis Of Novel Adj-Dicarbaporphyrinoid Systems And Theoretical Inv by Deyaa AbuSalim
Porphyrins have been the focus of a great deal of research for over a century. Their importance is highlighted by their wide distribution in nature and their countless applications. Porphyrin analogues have also been the target for many investigations due to their potential to provide a greater understanding of porphyrinoid systems and because their modified properties may lead to new applications. With the goal of achieving new porphyrinoid systems, synthesis of a unique set of adj-dicarbaporphyrinoid systems were developed. Two classes of dicarbaporphyrinoid systems were synthesized. adj-Oxo-dibenziphlorin were prepared by reacting a dipyrrylmethane dicarboxylic acid with a series of diarylketone dialdehydes using well known MacDonald `2+2 methods. The molecules were isolated as their TFA salts due to the instability of their free base structures. These unique molecules represent a cross between porphyrins and tetraoxacalixarenes. They are cross-conjugated by design and as a result do not possess 18
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Sabinet | Effect of delta-aminolaevulinic acid on the resting membrane potential of frog sartorius muscle
The porphyrin precursor delta-aminolaevulinic acid can significantly decrease the resting membrane potential in a single fibre from the sartorius muscle of the frog Rana angolensis.
Definition : Clinical chemistry reagents intended to perform qualitative and/or quantitative chemical analysis of body fluids (typically urine) to measure the total level of porphyrin. Analysis may include a profile of porphyrin components (e.g., uroporphyrin, coproporphyrin). Measurement of the total level of porphyrins is used in the diagnosis and management of one of a group of metabolic disorders, either inherited or acquired, usually known as porphyrias; measurement of the porphyrin-level profile in urine is used to characterize several specific diseases, such as porphyria cutanea tarda, that are associated with the presence of isocoproporphyrin. Some specific porphyrin analyses in whole blood are performed for screening purposes, such as zinc protoporphyrin for iron-deficiency anemia and free erythrocyteporphyrin determination for lead poisoning.. Entry Terms : ZPP (Zinc Protoporphyrin) Determination Reagents , Zinc Protoporphyrin (ZPP) Determination Reagents , Porphyrin Determination ...
Neurology Minutiae: July 2008
Most types are inherited but the most common type, porphyria cutanea tarda is acquired, associated with liver disease and iron overload. Of 4 types, any may present with neurovisceral presentation esp colicky abdominal pain, and hereditary coproporphyria and variegate porphyria can also present with cutaneous features. Attacks are likely precipitated by adverse effects of excess ALA which is structurally similar to GABA. Starvation, poor CH2O/ energy intake, drugs, alcohol, smoking, infections and stress can ppt. In this case the negative energy balance with surgery caused up regulation of hepatic ALA synthase 1, due to loss of CH2O repression of rate controlling enzyme for heme synthesis in the liver. Other bad drugs in this case were phenytoin, tramadol and bactrim. Sulfonamides and barbiturates are also bad. So is progesterone (which is why postpubertal women are more susceptible). The treatment is i-v heme. It can prevent reversible axonal death. Prognosis is slow and incomplete ...
Evaluation of lead exposure in workers at a lead-acid battery factory in Korea : with focus on activity of erythrocyte...
Objective-To evaluate lead exposure among lead-acid battery workers in Korea, to evaluate in more detail the erythrocyte pyrimidine 5 -nucleotidase P5N test for lead exposure, and to evaluate the abnormal accumulation of erythrocyte pyrimidine nucleotides in the battery workers. Methods Activity of PSN and other biological variables were...
Design of Spatial Disposition of Anionic Porphyrins in Matrices of Ammonium Bilayer Membranes<...
TY - JOUR. T1 - Design of Spatial Disposition of Anionic Porphyrins in Matrices of Ammonium Bilayer Membranes. AU - Ishikawa, Yuichi. AU - Kunitake, Toyoki. PY - 1991/1/1. Y1 - 1991/1/1. N2 - A methodology to place charged porphyrin derivatives in specific spatial arrangements in matrices of ammonium bilayer membranes was explored. Aqueous mixtures of anionic copper(II) porphyrins and bilayer dispersions of single-chain and double-chain ammonium amphiphiles were cast on Teflon sheets to produce regular multilayer films. The orientation of doped copper(II) porphyrins was determined by anisotropies of ESR spectral patterns that were dependent on the disposition of the cast film in the magnetic field. Quantitative estimates of the porphyrin orientation were made possible by elaborate computer simulation of the observed spectra. The mode of porphyrin orientation is determined by the distribution of anionic substituents on guest porphyrins and the supramolecular structure of host bilayers. Type III ...
Detection of unusual ΔHOMO | ΔLUMO relationship in tetrapyrrolic cis- and trans-doubly N-confused porphyrins<...
TY - JOUR. T1 - Detection of unusual ΔHOMO , ΔLUMO relationship in tetrapyrrolic cis- and trans-doubly N-confused porphyrins. AU - Muranaka, Atsuya. AU - Homma, Shigetsugu. AU - Maeda, Hiromitsu. AU - Furuta, Hiroyuki. AU - Kobayashi, Nagao. PY - 2008/7/30. Y1 - 2008/7/30. N2 - A plus-to-minus MCD sign in ascending energy has been detected for the Q bands of the copper(III) complexes of doubly N-confused porphyrin (cis- and trans-1). An unusual ΔHOMO , ΔLUMO relationship for tetrapyrrolic porphyrins was calculated using the HF, DFT, and semi-empirical methods. By applying the Michls perimeter model, the observed MCD pattern was successfully explained by the computational results.. AB - A plus-to-minus MCD sign in ascending energy has been detected for the Q bands of the copper(III) complexes of doubly N-confused porphyrin (cis- and trans-1). An unusual ΔHOMO , ΔLUMO relationship for tetrapyrrolic porphyrins was calculated using the HF, DFT, and semi-empirical methods. By applying the ...
Directly Diphenylborane-Fused Porphyrins<...
TY - JOUR. T1 - Directly Diphenylborane-Fused Porphyrins. AU - Fujimoto, Keisuke. AU - Oh, Juwon. AU - Yorimitsu, Hideki. AU - Kim, Dongho. AU - Osuka, Atsuhiro. PY - 2016/2/24. Y1 - 2016/2/24. N2 - Mono- and bis(diphenylborane)-fused porphyrins were synthesized from the corresponding β-(2-trimethylsilylphenyl)-substituted porphyrins through the sequence of Si-B exchange reaction, intramolecular bora-Friedel-Crafts reaction, and ring-closing Si-B exchange reaction. Effective electronic interactions of the empty p-orbital of the boron atom with the porphyrin π-circuit lead to red-shifted absorption spectra and substantially decreased LUMO energy levels. Pyridine adds at the boron center to cause disruption of the electronic interaction of the boron atom with large association constants (1.9-17×104 m−1) depending on the central metal at the porphyrin. The ZnII complex behaved as a hetero-dinuclear Lewis acid, exhibiting regioselective binding of pyridines at the boron or the zinc ...
Boron porphyrin and corrole complexes - Journal of Chemistry Blog
The chemistry of boron porphyrins, which are unique in containing two boron atoms per porphyrin ligand. Highlights have been the development of a series of complexes, a diboryl porphyrin, a diboranyl porphyrin containing a B-B bond which forms through spontaneous reductive coupling of the diboryl under certain conditions ...
Abelsonite - Simple English Wikipedia, the free encyclopedia
Abelsonite (nickel porphyrin) is a mineral that can be pinkish-brown, purple, or reddish-brown in colour and is formed from porphyrin crystals. It is platy (made in plates like mica) and fragile.. Porphyrins are organic ring compounds like haeme, the pigment in red blood cells.. It is found in the Green River Formation of Utah, in the United States.. ...
Porphyrins A significant amount of work has been performed in the Senge laboratory towards more efficient and robust methods of porphyrin synthesis. Symmetrical porphyrins are widely available through classic condensation routes but demand in recent years for more........ Cubanes. Considering the geometry of cubane, it is noteworthy that the distance across the cube (the body diagonal) is 2.72 , which is almost equivalent to the distance across a benzene ring, i.e., 2.79 ,11,12 which has led to renewed interest..... ...
AID 484643 - Increase of urinary volume in normal Sprague-Dawley rat at 10 mg/kg, po subsequently dosed orally with 50% aqueous...
BioAssay record AID 484643 submitted by ChEMBL: Increase of urinary volume in normal Sprague-Dawley rat at 10 mg/kg, po subsequently dosed orally with 50% aqueous glucose solution measured up to 24 hrs relative to control.
Cytotoxicity of a Novel Porphyrin Compound with Potential for Use in P by Christina King Smith
King-Smith, Christina, Laura Black, Matthew Mawhinney, Jan Habdas, and Piotr Habdas. Cytotoxicity of a Novel Porphyrin Compound with Potential for Use in Photodynamic Therapy. Amer. Soc. of Cell Biology. San Francisco. Dec. 2008. Conference Presentation.. ...
Online The Porphyrins. Structure And Synthesis, Part A 1978
online The Porphyrins. Structure of Christ teach behavior. Thompson, Christ Church( 1900); S. Oxford Cathedral( 1924); E. Church of Christ in Oxford( 1935): W. They hope no Colonels or travel. TItotnas, His Life and Work( 1884).
5,10,15-tris(4-(3--N,N,N-trimethylammoniumpropoxy)phenyl)-20-(4-trifluoromethylphenyl)porphyrin Summary Report | CureHunter
5,10,15-tris(4-(3--N,N,N-trimethylammoniumpropoxy)phenyl)-20-(4-trifluoromethylphenyl)porphyrin: potential photosensitizer to photodynamically inactivate E. coli; structure in first source
pH-dependence of three properties of inhibiton. The pH- | Open-i
pH-dependence of three properties of inhibiton. The pH-dependence of (A) apparent affinity, (B) reversibility, and (C) onset time constant is illustrated for th
Uro Matrix Medical
The price on this item is lower than the MAP (Minimum Advertised Price) required by the manufacturer. Therefore the price cannot display in the product pages, only during checkout ...
ETIS - Supramolecular chirogenesis in zinc porphyrins: interaction with bidentate ligands, formation of tweezer structures, and...
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Guest encapsulation and coronene-C60 exchange in supramolecular zinc porphyrin tweezers, grids and prisms
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Common problems in poultry liver health and mycotoxin risk - Biomin.net
Aflatoxins are known to have a hepatotoxic effect in poultry and also a hepatocarcinogenic effect in exposed animals. The most common pathological lesions associated with aflatoxicosis in poultry are found in the liver, lymphoid organs, and testes, often occurring over a period of chronic exposure. In acute-subacute aflatoxicosis, the liver appears enlarged, pale yellow in color, friable, and usually the gall bladder is also enlarged and filled with bile (see Figure 8). The pancreas is usually small and depigmented and there could be hemorrhages on subcutaneous tissue and muscles. In chronic aflatoxicosis, the liver is small, firm, and rounded. Sometimes this organ is very small, rounded, and rubbery, and often complicated with ascites and hydropericardium. The other consistent lesions in aflatoxicosis can be found in the bursa of Fabricius, thymus, and spleen, all of which appear smaller than normal. In male parent stock breeder birds, the size of the testes could also be significantly ...
... produces coproporphyrin III. LPSN lpsn.dsmz.de Straininfo of Arthrobacter ramosus Deutsche Sammlung von ...
... with coproporphyrin I being 3-4 times higher than coproporphyrin III. Analysis of urine porphyrins shows a normal level of ... Unaffected subjects have a coproporphyrin III to coproporphyrin I ratio around 3-4:1. In patients with Dubin-Johnson syndrome, ... June 1984). "Coproporphyrin excretion in healthy newborn babies". Journal of Pediatric Gastroenterology and Nutrition. 3 (3): ... healthy neonates have ratios of urinary coproporphyrin similar to those seen in patients with Dubin-Johnson syndrome; by 10 ...
Knorr pyrrole synthesis
A synthesis of coproporphyrin III". Journal of the Chemical Society (Resumed): 1430-1440. doi:10.1039/JR9580001430. Paine, John ...
Coproporphyrin I, a major coproporphyrin isomer in bile, is transported from the hepatocyte back into the circulation and is ... The total urine coproporphyrin excretion in Rotor syndrome has a 2- to 5-fold elevation, with 65% constituting coproporphyrin I ... Thus, urine coproporphyrin is elevated in Rotor syndrome. Cholescintigraphy using sulfobromophthalein (BSP) have shown that the ... Ultimately, the best method of diagnosing the disease is the analysis of urine coproporphyrin excretion. ...
Coproporphyrinogen III oxidase
Hyper-excretion of coproporphyrin III in urine and faeces has been recorded in biochemical tests. HCP is an autosomal dominant ...
Elevated coproporphyrin is a common finding in urine, known as coproporphyrinuria as it is the predominant porphyrin species in ...
List of MeSH codes (D03)
... coproporphyrins MeSH D03.383.129.578.840.500.280 - deuteroporphyrins MeSH D03.383.129.578.840.500.340 - etioporphyrins MeSH ... coproporphyrins MeSH D03.549.909.500.280 - deuteroporphyrins MeSH D03.549.909.500.340 - etioporphyrins MeSH D03.549.909.500.462 ...
Porphyria cutanea tarda
... specifically uroporphyrins and coproporphyrins, but all three working together synergistically are capable of neutralizing ...
... coproporphyrins I & III, and pre-coproporphyrin. Repeat testing during an attack and subsequent attacks may be necessary in ...
List of MeSH codes (D23)
... coproporphyrins MeSH D23.767.727.280 - deuteroporphyrins MeSH D23.767.727.340 - etioporphyrins MeSH D23.767.727.462 - ...
List of MeSH codes (D04)
... coproporphyrins MeSH D04.345.783.500.280 - deuteroporphyrins MeSH D04.345.783.500.340 - etioporphyrins MeSH D04.345.783.500.462 ...
Progressive macular hypomelanosis
... while the involvement of Cutibacterium acnes will show an orange fluorescence due to its coproporphyrin III. That way it can be ...
Human Metabolome Database: Showing metabocard for Coproporphyrin III (HMDB0000570)
Coproporphyrin III. Description. Coproporphyrin III is a porphyrin metabolite arising from heme synthesis. Porphyrins are ... Showing metabocard for Coproporphyrin III (HMDB0000570). Jump To Section: IdentificationTaxonomyOntologyPhysical properties ... decreased biliary excretion of coproporphyrin leading to a compensatory urinary excretion, so that the coproporphyrin ring ... Coproporphyrin III is a tetrapyrrole dead-end product from the spontaneous oxidation of the methylene bridges of ...
Coproporphyrins I and III as Functional Markers of OATP1B Activity: In Vitro and In Vivo Evaluation in Preclinical Species |...
coproporphyrin. CsA. cyclosporin A. DDI. drug-drug interaction. ERR. renal extraction ratio. E17βG. estradiol-17β-D-glucuronide ... Coproporphyrin as Endogenous In Vivo Probe for OATP1B. Hong Shen, Jun Dai, Tongtong Liu, Yaofeng Cheng, Weiqi Chen, Chris ... Coproporphyrin as Endogenous In Vivo Probe for OATP1B. Hong Shen, Jun Dai, Tongtong Liu, Yaofeng Cheng, Weiqi Chen, Chris ... Coproporphyrins I and III as Functional Markers of OATP1B Activity: In Vitro and In Vivo Evaluation in Preclinical Species. ...
Comparative Evaluation of Plasma Bile Acids, Dehydroepiandrosterone Sulfate, Hexadecanedioate, and Tetradecanedioate with...
coproporphyrin. CsA. cyclosporin A. DCA. deoxycholic acid. DDI. drug-drug interaction. DHEAS. dehydroepiandrosterone sulfate. ... 2016) Coproporphyrins I and III as functional markers of OATP1B activity: in vitro and in vivo evaluation in preclinical ... For example, coproporphyrins (CPs) I and III, byproducts of heme synthesis, are substrates for cynomolgus monkey and human ... 2016) Coproporphyrins in plasma and urine can be appropriate clinical biomarkers to recapitulate drug-drug interactions ...
Comparative Evaluation of Plasma Bile Acids, Dehydroepiandrosterone Sulfate, Hexadecanedioate, and Tetradecanedioate with...
Sabinet | The isolation of a monoacrylic tri propionic porphyrin from meconium and its bearing on the conversion of...
... derived from meconium has been characterized and shown to be an analogue of coproporphyrin III possessing one acrylic acid ... Keyword(s) : Biochemistry, Coproporphyrin conversion, Isolation, Meconium, Monoacrylic tripropionic porphyrin, Pathology and ... A porphyrin, derived from meconium has been characterized and shown to be an analogue of coproporphyrin III possessing one ... The isolation of a monoacrylic tri propionic porphyrin from meconium and its bearing on the conversion of coproporphyrin to ...
Coproporphyrin | definition of coproporphyrin by Medical dictionary
... coproporphyrin explanation free. What is coproporphyrin? Meaning of coproporphyrin medical term. What does coproporphyrin mean? ... Looking for online definition of coproporphyrin in the Medical Dictionary? ... coproporphyrin. coproporphyrin. [kop″ro-por´fĭ-rin] a porphyrin occurring as several isomers; the III isomer, an intermediate ... coproporphyrin activity is also increased due to depression of coproporphyrin oxidase enzyme.. Perilous Effects of Heavy Metals ...
Pigment metabolism. II. Determinations of bilirubin and carotinoids in the plasma and of coproporphyrin in the urine and faeces...
4) That there is a definite rise in the concentration of coproporphyrin in the faeces and urine. Such a rise, however, does not ... Determinations of bilirubin and carotinoids in the plasma and of coproporphyrin in the urine and faeces of cattle ... Determinations of bilirubin and carotinoids in the plasma and of coproporphyrin in the urine and faeces of cattle ...
Coproporphyrin is moderately water soluble, thus it is excreted both in feces and in urine. High levels of coproporphyrin are ... Home > Specialties > IVD Test Reagent/Kits, Immunoassay, Toxicology, Porphyrin Derivative, Coproporphyrin. CLICK FOR ADVANCED ... Entry Terms : "Coproporphyrin Determination Reagents" , "Reagents, Immunoassay, Toxicology, Porphyrin Derivative, ... IVD Test Reagent/Kits, Immunoassay, Toxicology, Porphyrin Derivative, Coproporphyrin. Definition : Immunoassay reagents ...
Porphyrins blood test: MedlinePlus Medical Encyclopedia
A mutant of Escherichia coli which accumulates large amounts of coproporphyrin - CSHL Scientific Digital Repository
Kazmi, S. A., Bukhari, A. I. (July 1978) A mutant of Escherichia coli which accumulates large amounts of coproporphyrin. ... 128, 717--721). A striking property of the mutant is that coproporphyrin is retained within the cells in rich media but is ... A mutant of Escherichia coli which accumulates a large amount of coproporphyrin, presumably because of a block in heme ... Coproporphyrins/*metabolism Culture Media Escherichia coli/*genetics/growth & development/metabolism Glucose/metabolism ...
Porphyrins urine test: MedlinePlus Medical Encyclopedia
Hereditary Coproporphyria Associated with the Q306X Mutation in the Coproporphyrin Oxidase Gene Presenting with Acute Ataxia
... ... However, because urine analysis showed a marked excretion of coproporphyrins and of total porphyrins, the patient was diagnosed ... Hereditary Coproporphyria Associated with the Q306X Mutation in the Coproporphyrin Oxidase Gene Presenting with Acute Ataxia. ... "Hereditary Coproporphyria Associated with the Q306X Mutation in the Coproporphyrin Oxidase Gene Presenting with Acute Ataxia". ...
Urinary elimination of coproporphyrins is dependent on ABCC2 polymorphisms and represents a potential biomarker of MRP2...
Patients with Dubin-Johnson syndrome due to mutation in ABCC2 gene have elevated urinary coproporphyrin ratio (UCP I/(I + III ... Most of the coproporphyrins are returned to the blood, presumably via MRP3, which is upregulated in Mrp2−/− mice [6, 27], or by ... 26]). The remaining coproporphyrins (three times as much isomer III as isomer I) are excreted then in the urine via MRP2. The ... Coproporphyrins are then excreted predominantly in bile, via MRP2. As MRP2 has a higher affinity for isomer I than for isomer ...
Cutaneous Porphyria: Background, Pathophysiology, Epidemiology
Porphyria is a predominantly inherited metabolic disorder, resulting from a deficiency of an enzyme in the heme production pathway, and overproduction of toxic heme precursors. Eight different enzymes are involved in the pathway, and deficiencies of the second to eighth enzyme result in a family of disorders with various, and often overlappin...
Renale und enterale Elimination der Koproporphyrin-Isomeren bei Rotor-Syndrom | SpringerLink
... and isomer III coproporphyrin excretion of a Rotors syndrome patient and his family were determined. The proprositu ... The proprositus showed increased urinary total coproporphyrin excretion (248 µg/24 h) and a shift of the coproporphyrin isomer ... The coproporphyrin isomer I/III relation is shifted towards isomer I. Phenotypically normal relatives with normal bilirubin ... Urinary and fecal total, isomer I, and isomer III coproporphyrin excretion of a Rotors syndrome patient and his family were ...
Q036X3 | SWISS-MODEL Repository
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Coproporphyrin excretion in amniotic fluid and urine from premature infants: A possible maturation defect<...
... of total coproporphyrin as coproporphyrin I. Twenty-three premature infants excreted 59.4% ± 17.3% as coproporphyrin I, ... of total coproporphyrin as coproporphyrin I. Twenty-three premature infants excreted 59.4% ± 17.3% as coproporphyrin I, ... of total coproporphyrin as coproporphyrin I. Twenty-three premature infants excreted 59.4% ± 17.3% as coproporphyrin I, ... of total coproporphyrin as coproporphyrin I. Twenty-three premature infants excreted 59.4% ± 17.3% as coproporphyrin I, ...
Porphyrins urine test
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In particular, coproporphyrins can be excited at the wavelengths: 402 20 (extinction at maximum≈480), 4950 20, 540 30 ( ... In particular, coproporphyrins can be excited at the wavelengths: 402 20 (extinction at maximum≈480), 495 20, 540 30 ( ... The possible light acceptors are blood bilirubin and/or coproporphyrins. Light irradiation of oral mucus and underlining tissue ... Exemplary intrinsic chromophores include porphyrines like protoporphyrins, coproporphyrins, and Zn-protoporphyrins. The ...
Time-resolved and two-photon emission imaging microscopy of live cells with inert platinum complexes | PNAS
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chdC - Coproheme decarboxylase - Listeria monocytogenes serotype 4b (strain CLIP80459) - chdC gene & protein
Catalyzes the decarboxylation of Fe-coproporphyrin III (coproheme) to heme b (protoheme IX), the last step of the pathway. The ... Involved in coproporphyrin-dependent heme b biosynthesis. Catalyzes the decarboxylation of Fe-coproporphyrin III (coproheme) to ... Note: Fe-coproporphyrin III acts as both substrate and redox cofactor.UniRule annotation. Manual assertion according to rulesi ... Iron (Fe-coproporphyrin III axial ligand)UniRule annotation. Manual assertion according to rulesi ...
Porphyrins blood test | Health Encyclopedia | FloridaHealthFinder.gov
Calcium Disodium Versenate - FDA prescribing information, side effects and uses
Dubin-Johnson Syndrome: Practice Essentials, Background, Pathophysiology and Etiology
In unaffected individuals, the ratio of coproporphyrin III to coproporphyrin I is approximately 3-4:1.  ... urinary coproporphyrin I levels are higher than coproporphyrin III levels. ... Coproporphyrin excretion in healthy newborn babies. J Pediatr Gastroenterol Nutr. 1984 Jun. 3(3):402-7. [Medline]. ... Respaud R, Benz-de Bretagne I, Blasco H, Hulot JS, Lechat P, Le Guellec C. Quantification of coproporphyrin isomers I and III ...
- This is related to the overproduction of in-vivo of uroporphyrin, protoporphyrin, coproporphyrin and their precursors. (thefreedictionary.com)
- Urine coproporphyrin III and eythrocyte zinc protoporphyrin were subsequently found to be markedly raised. (bmj.com)
- A deviating biliary protoporphyrin/coproporphyrin I ratio in one patient appeared to be a useful diagnostic index for the presence of latent variegate porphyria (or variegate porphyria in remission). (curehunter.com)
- For all patients mainly coproporphyrin III was identified, but also coproporphyrin I and protoporphyrin at considerably lower concentrations. (uni-muenchen.de)
- Report discussing studies regarding porphyrin excretion and hemoglobin metabolism in animals with phenylhydrazine anemia, and studies regarding the coproporphyrin and protoporphyrin in the red blood cells of rabbits. (unt.edu)
- In addition, urine coproporphyrin and erythrocyte protoporphyrin are increased. (porphyriafoundation.com)
- A hereditary disorder characterized by abdominal pain, neuropsychiatric abnormalities, dermal sensitivity to light and mechanical trauma, and increased fecal excretion of protoporphyrin and coproporphyrin. (dictionary.com)
- Coproporphyrin III is a porphyrin metabolite arising from heme synthesis. (hmdb.ca)
- A porphyrin, derived from meconium has been characterized and shown to be an analogue of coproporphyrin III possessing one acrylic acid residue in place of a propionate side-chain. (journals.co.za)
- In porphyrin testing, uroporphyrin is an indicator for aluminum, coproporphyrin for lead, and precoproporphyrin for mercury. (thefreedictionary.com)
- Immunoassay reagents intended to perform qualitative and/or quantitative analyses on a body fluid sample (e.g., urine, bile, feces) to determine coproporphyrin, a porphyrin derivative. (medicalproductguide.com)
- Patients excrete increased levels of porphyrin precursors, COPROPORPHYRINS and protoporphyrinogen. (curehunter.com)
- The reduction of coproporphyrin III production by P. acnes where there is improvement as a result of therapy supports the pathogenetic significance of P. acnes and of the porphyrin fractions it produces for the emergence of acne. (uni-muenchen.de)
- Patients excrete increased levels of porphyrin precursors, 5-AMINOLEVULINATE and COPROPORPHYRINS. (curehunter.com)
- A third Hg-associated porphyrin is most commonly referred to as "precoproporphyrin" as it elutes after pentacarboxyporphyrin and before coproporphyrin I. The recently described precoproporphyrin has yet to be characterized with respect to molecular identity and appears to be elevated in Hg exposed individuals who carry a variant of the CPOX gene (CPOX4 polymorphism). (integrativepsychiatry.net)
- For asymptomatic individuals, the urine studies may be normal, but a fecal porphyrin analysis will show elevation of coproporphyrin III. (porphyriafoundation.com)
- 200 nmol/g) consisting of proto- and coproporphyrin with a trace of uroporphyrin on TLC, a diagnosis of acute intermittent porphyria (AIP) was considered. (thefreedictionary.com)
- congenital erythropoietic porphyria (CEP) a form of erythropoietic porphyria , with cutaneous photosensitivity leading to mutilating lesions, hemolytic anemia, splenomegaly, excessive urinary excretion of uroporphyrin and coproporphyrin, and invariably erythrodontia and hypertrichosis. (thefreedictionary.com)
- Urinary levels of uroporphyrin and coproporphyrin are increased. (thefreedictionary.com)
- We used HPLC with fluorometric detection to measure plasma concentrations of uroporphyrin I and III, heptacarboxyl III, hexacarboxyl III, pentacarboxyl III, and coproporphyrin I and III. (curehunter.com)
- Urinary uroporphyrin and urinary coproporphyrin levels showed no statistically significant differences between the workers and the comparisons. (cdc.gov)
- Logistic regression analysis failed to show a significant association between the risk of range urinary uroporphyrin or coproporphyrin levels and any measure of TCDD exposure. (cdc.gov)
- 3. In blood plasma, uroporphyrin occurs regularly, and coproporphyrin less regularly. (clinsci.org)
- Oxidation of the abnormally elevated porphyrinogens results in elevated urinary levels of total porphyrins, pentacarboxyporphyrin and coproporphyrin III. (integrativepsychiatry.net)
- This result may be explained by the production of porphyrins, specially uroporphyrins, coproporphyrins and protoporphyrins IX 16 by P. acnes . (scielo.br)
Excretion of coproporphyrin3
- Hereditary coproporphyria (HCPO) is a low-penetrance, autosomal dominant, acute hepatic porphyria characterized by the overproduction and excretion of coproporphyrin. (tremorjournal.org)
- Hereditary coproporphyria is a low-penetrance, autosomal dominant, acute hepatic porphyria characterized by the overproduction and excretion of coproporphyrin. (tremorjournal.org)
- The propositus's father and two siblings also had elevated renal excretion of coproporphyrin I. Total coproporphyrin excretion was enhanced only in the propositus's father and one sibling, while being normal in another sibling. (springer.com)
- Calculations were based on an equimolar perfusion of coproporphyrin isomers in blood (for illustration, 10 molecules of each isomer are considered) and on the higher affinity of MRP2 for isomer I than for isomer III. (cdc.gov)
- Urinary and fecal total, isomer I, and isomer III coproporphyrin excretion of a Rotor's syndrome patient and his family were determined. (springer.com)
- The coproporphyrin isomer I/III relation is shifted towards isomer I. Phenotypically normal relatives with normal bilirubin plasma levels may have alterations in both their renal and enteral coproporphyrin excretion. (springer.com)
- Urinary excretion of 5-hydroxyindoleacetic acid, delta-aminolevulinic acid and coproporphyrin isomer. (biomedsearch.com)
- Elevation of ALA, PBG and coproporphyrin (predominantly isomer III) is highly suggestive of HCP. (porphyriafoundation.com)
Ratio of coproporphyrins3
- This study aims at evaluating the performance of the UCP ratio (urinary ratio of coproporphyrins), a putative biomarker of tubular secretion, in predicting delayed MTX elimination. (clinicaltrials.gov)
- Apart from hyperbilirubinaemia, the main biological perturbation observed in this disease is a typical increase of the urinary ratio of coproporphyrins I (I+ III) (UCP ratio). (clinicaltrials.gov)
- Arsenic exposure has been associated with elevated levels of uroporphyrins and coproporphyrin I, and an elevated ratio of coproporphyrins (I: III). (integrativepsychiatry.net)
Concentration of coproporphyrin1
- 4) That there is a definite rise in the concentration of coproporphyrin in the faeces and urine. (up.ac.za)
- This model was established on the basis of experimental data for both structure-affinity relationships for the interaction between coproporphyrin isomers and MRP2  and of the measurement of coproporphyrin excretion in the bile and urine of Mrp2 −/− or wild-type rats . (cdc.gov)
- Kondo T, Kuchiba K, Shimizu Y (1976) Coproporphyrin isomers in Dubin-Johnson-Syndrome. (springer.com)
- Shimizu Y, Narnto H, Ida S, Kokura M (1981) Urinary coproporphyrin isomers in Rotor's Syndrome: A study in eight families. (springer.com)
- Developmental deficiency of this enzyme may be responsible for the observed pattern of coproporphyrin isomers seen in the fetus and neonate. (elsevier.com)
- [ 1 ] This rare autosomal recessive condition is characterized by conjugated hyperbilirubinemia with normal liver transaminases, a unique pattern of urinary excretion of heme metabolites (coproporphyrins), and the deposition of a pigment that gives the liver a characteristic black color (see the image below). (medscape.com)
- A unique pattern of urinary excretion of coproporphyrins (by-products of heme synthesis) aids in the diagnosis. (bmj.com)
- A mutant of Escherichia coli which accumulates a large amount of coproporphyrin, presumably because of a block in heme biosynthesis, has been isolated after nitrosoguanidine mutagenesis. (cshl.edu)
- Involved in coproporphyrin-dependent heme b biosynthesis. (uniprot.org)
- citation needed] A hallmark of Dubin-Johnson syndrome is the unusual ratio between the byproducts of heme biosynthesis: Unaffected subjects have a coproporphyrin III to coproporphyrin I ratio around 3-4:1. (wikipedia.org)
- In contrast, in the course of the alternative heme biosynthesis route UROGEN is methylated to yield precorrin-2 which is then further transformed into heme via the intermediates sirohydrochlorin, siroheme (SH), 12,18-didecarboxysiroheme (DDSH), and iron-coproporphyrin III (Fe-COPRO III) (Figure 1(a) ) [ 6 ]. (hindawi.com)
- precoproporphyrin for mercury, and coproporphyrin for lead. (betterhealthguy.com)
- Increased levels of coproporphyrins can indicate congenital erythropoietic porphyria or sideroblastic anaemia, which are inherited disorders. (hmdb.ca)
- Coproporphyrin III is a tetrapyrrole dead-end product from the spontaneous oxidation of the methylene bridges of coproporphynogen, arising from heme synthesis and secreted in feces and urine. (hmdb.ca)
- Coproporphyrin is moderately water soluble, thus it is excreted both in feces and in urine. (medicalproductguide.com)
- Biochemically, there is an overexcretion of coproporphyrin III in the urine and in the feces. (abcam.com)
- however, we show that this metalloporphyrin is not heme but zinc coproporphyrin. (asm.org)
- Further modifications catalysed by two related radical SAM enzymes, AhbC and AhbD, transform didecarboxysirohaem into Fe-coproporphyrin III and haem respectively. (rcsb.org)
- certain coproporphyrins are elevated in certain porphyrias. (thefreedictionary.com)
- High levels of coproporphyrin are found in toxic (acquired) porphyrias caused by one or more of a group of toxic agents (e.g., chronic ethanol exposure, lead, mercury, arsenic). (medicalproductguide.com)
- Some dietary products, diseases (e.g., malignancies), and hereditary deficiencies (i.e., inherited porphyrias) may also cause abnormal coproporphyrin levels. (medicalproductguide.com)
- Excerpt: "Coproporphyrin levels were elevated in children with autistic disorder relative to control groups…the elevation was significant. (avn.org.au)
- Serum alkaline phosphatase levels are elevated twofold to fivefold above coproporphyrins. (goodbelly.com)
- Lead exposure has been associated with elevated levels of coproporphyrin III. (integrativepsychiatry.net)
- Exposure to polyvinylchloride (PVC) and polybrominated biphenyl has been associated with elevated levels of coproporphyrins. (integrativepsychiatry.net)
- Kaplowitz N, Javitt N, Kappas J (1972) Coproporphyrin I and III excretion in bile and urine. (springer.com)
- Using an in vitro enzyme activity assay it was demonstrated that AhbD catalyzes the conversion of iron-coproporphyrin III into heme. (hindawi.com)
- coproporphyrin activity is also increased due to depression of coproporphyrin oxidase enzyme. (thefreedictionary.com)
- Catalyzes the decarboxylation of Fe-coproporphyrin III (coproheme) to heme b (protoheme IX), the last step of the pathway. (uniprot.org)
- There are two chemically distinct substances, coproporphyrins I and III. (thefreedictionary.com)
- Arthrobacter ramosus produces coproporphyrin III. (wikipedia.org)
- mutations were analyzed in the coproporphyrin-oxidase III ( CPOX ) gene in the patient and in six asymptomatic first-degree relatives. (tremorjournal.org)
- Coproporphyrin analysis was performed on urine from 17 male and 7 female premature infants (birth wt 1.5-4.5 kg, average 1.7 kg). (elsevier.com)
- Exogenous coproporphyrin III production by Corynebacterium aurimucosum and Microbacterium oxydans in erythrasma lesions. (medscape.com)