Erythropoietin
Receptors, Erythropoietin
Erythropoiesis
The production of red blood cells (ERYTHROCYTES). In humans, erythrocytes are produced by the YOLK SAC in the first trimester; by the liver in the second trimester; by the BONE MARROW in the third trimester and after birth. In normal individuals, the erythrocyte count in the peripheral blood remains relatively constant implying a balance between the rate of erythrocyte production and rate of destruction.
Erythroid Precursor Cells
The cells in the erythroid series derived from MYELOID PROGENITOR CELLS or from the bi-potential MEGAKARYOCYTE-ERYTHROID PROGENITOR CELLS which eventually give rise to mature RED BLOOD CELLS. The erythroid progenitor cells develop in two phases: erythroid burst-forming units (BFU-E) followed by erythroid colony-forming units (CFU-E); BFU-E differentiate into CFU-E on stimulation by ERYTHROPOIETIN, and then further differentiate into ERYTHROBLASTS when stimulated by other factors.
Hematocrit
Hemoglobins
Erythroblasts
Reticulocyte Count
Hematinics
Leukemia, Erythroblastic, Acute
Janus Kinase 2
A Janus kinase subtype that is involved in signaling from GROWTH HORMONE RECEPTORS; PROLACTIN RECEPTORS; and a variety of CYTOKINE RECEPTORS such as ERYTHROPOIETIN RECEPTORS and INTERLEUKIN RECEPTORS. Dysregulation of Janus kinase 2 due to GENETIC TRANSLOCATIONS have been associated with a variety of MYELOPROLIFERATIVE DISORDERS.
Spleen Focus-Forming Viruses
Strains of MURINE LEUKEMIA VIRUS that are replication-defective and rapidly transforming. The envelope gene plays an essential role in initiating erythroleukemia (LEUKEMIA, ERYTHROBLASTIC, ACUTE), manifested by splenic foci, SPLENOMEGALY, and POLYCYTHEMIA. Spleen focus-forming viruses are generated by recombination with endogenous retroviral sequences.
Kidney Failure, Chronic
The end-stage of CHRONIC RENAL INSUFFICIENCY. It is characterized by the severe irreversible kidney damage (as measured by the level of PROTEINURIA) and the reduction in GLOMERULAR FILTRATION RATE to less than 15 ml per min (Kidney Foundation: Kidney Disease Outcome Quality Initiative, 2002). These patients generally require HEMODIALYSIS or KIDNEY TRANSPLANTATION.
Anemia, Neonatal
Interleukin-3
Renal Dialysis
Colony-Forming Units Assay
STAT5 Transcription Factor
A signal transducer and activator of transcription that mediates cellular responses to a variety of CYTOKINES. Stat5 activation is associated with transcription of CELL CYCLE regulators such as CYCLIN KINASE INHIBITOR P21 and anti-apoptotic genes such as BCL-2 GENES. Stat5 is constitutively activated in many patients with acute MYELOID LEUKEMIA.
Injections, Subcutaneous
Iron
Polycythemia Vera
A myeloproliferative disorder of unknown etiology, characterized by abnormal proliferation of all hematopoietic bone marrow elements and an absolute increase in red cell mass and total blood volume, associated frequently with splenomegaly, leukocytosis, and thrombocythemia. Hematopoiesis is also reactive in extramedullary sites (liver and spleen). In time myelofibrosis occurs.
Blood Transfusion
Erythrocytes
Doping in Sports
Milk Proteins
The major protein constituents of milk are CASEINS and whey proteins such as LACTALBUMIN and LACTOGLOBULINS. IMMUNOGLOBULINS occur in high concentrations in COLOSTRUM and in relatively lower concentrations in milk. (Singleton and Sainsbury, Dictionary of Microbiology and Molecular Biology, 2d ed, p554)
Hypoxia-Inducible Factor 1
Cells, Cultured
Phenylhydrazines
Bone Marrow
The soft tissue filling the cavities of bones. Bone marrow exists in two types, yellow and red. Yellow marrow is found in the large cavities of large bones and consists mostly of fat cells and a few primitive blood cells. Red marrow is a hematopoietic tissue and is the site of production of erythrocytes and granular leukocytes. Bone marrow is made up of a framework of connective tissue containing branching fibers with the frame being filled with marrow cells.
Bone Marrow Cells
Friend murine leukemia virus
Reticulocytes
Immature ERYTHROCYTES. In humans, these are ERYTHROID CELLS that have just undergone extrusion of their CELL NUCLEUS. They still contain some organelles that gradually decrease in number as the cells mature. RIBOSOMES are last to disappear. Certain staining techniques cause components of the ribosomes to precipitate into characteristic "reticulum" (not the same as the ENDOPLASMIC RETICULUM), hence the name reticulocytes.
Stem Cell Factor
Signal Transduction
The intracellular transfer of information (biological activation/inhibition) through a signal pathway. In each signal transduction system, an activation/inhibition signal from a biologically active molecule (hormone, neurotransmitter) is mediated via the coupling of a receptor/enzyme to a second messenger system or to an ion channel. Signal transduction plays an important role in activating cellular functions, cell differentiation, and cell proliferation. Examples of signal transduction systems are the GAMMA-AMINOBUTYRIC ACID-postsynaptic receptor-calcium ion channel system, the receptor-mediated T-cell activation pathway, and the receptor-mediated activation of phospholipases. Those coupled to membrane depolarization or intracellular release of calcium include the receptor-mediated activation of cytotoxic functions in granulocytes and the synaptic potentiation of protein kinase activation. Some signal transduction pathways may be part of larger signal transduction pathways; for example, protein kinase activation is part of the platelet activation signal pathway.
Hematopoiesis
Phlebotomy
Erythrocyte Volume
Hypoxia-Inducible Factor 1, alpha Subunit
Cell Division
Anemia, Hypochromic
Anemia characterized by a decrease in the ratio of the weight of hemoglobin to the volume of the erythrocyte, i.e., the mean corpuscular hemoglobin concentration is less than normal. The individual cells contain less hemoglobin than they could have under optimal conditions. Hypochromic anemia may be caused by iron deficiency from a low iron intake, diminished iron absorption, or excessive iron loss. It can also be caused by infections or other diseases, therapeutic drugs, lead poisoning, and other conditions. (Stedman, 25th ed; from Miale, Laboratory Medicine: Hematology, 6th ed, p393)
RNA, Messenger
RNA sequences that serve as templates for protein synthesis. Bacterial mRNAs are generally primary transcripts in that they do not require post-transcriptional processing. Eukaryotic mRNA is synthesized in the nucleus and must be exported to the cytoplasm for translation. Most eukaryotic mRNAs have a sequence of polyadenylic acid at the 3' end, referred to as the poly(A) tail. The function of this tail is not known for certain, but it may play a role in the export of mature mRNA from the nucleus as well as in helping stabilize some mRNA molecules by retarding their degradation in the cytoplasm.
Erythroid Cells
Neuroprotective Agents
Drugs intended to prevent damage to the brain or spinal cord from ischemia, stroke, convulsions, or trauma. Some must be administered before the event, but others may be effective for some time after. They act by a variety of mechanisms, but often directly or indirectly minimize the damage produced by endogenous excitatory amino acids.
Ferritins
Iron-containing proteins that are widely distributed in animals, plants, and microorganisms. Their major function is to store IRON in a nontoxic bioavailable form. Each ferritin molecule consists of ferric iron in a hollow protein shell (APOFERRITINS) made of 24 subunits of various sequences depending on the species and tissue types.
Cell Differentiation
Bloodletting
Dose-Response Relationship, Drug
Cobalt
GATA1 Transcription Factor
Erythrocyte Transfusion
Hypoxia-Inducible Factor-Proline Dioxygenases
Iron Radioisotopes
Hematopoietic Cell Growth Factors
These growth factors comprise a family of hematopoietic regulators with biological specificities defined by their ability to support proliferation and differentiation of blood cells of different lineages. ERYTHROPOIETIN and the COLONY-STIMULATING FACTORS belong to this family. Some of these factors have been studied and used in the treatment of chemotherapy-induced neutropenia, myelodysplastic syndromes, and bone marrow failure syndromes.
Kidney
Molecular Sequence Data
Descriptions of specific amino acid, carbohydrate, or nucleotide sequences which have appeared in the published literature and/or are deposited in and maintained by databanks such as GENBANK, European Molecular Biology Laboratory (EMBL), National Biomedical Research Foundation (NBRF), or other sequence repositories.
Human, rat, and mouse kidney cells express functional erythropoietin receptors. (1/3892)
BACKGROUND: Erythropoietin (EPO), secreted by fibroblast-like cells in the renal interstitium, controls erythropoiesis by regulating the survival, proliferation, and differentiation of erythroid progenitor cells. We examined whether renal cells that are exposed to EPO express EPO receptors (EPO-R) through which analogous cytokine responses might be elicited. METHODS: Normal human and rat kidney tissue and defined cell lines of human, rat, and mouse kidney were screened, using reverse transcription-polymerase chain reaction, nucleotide sequencing, ligand binding, and Western blotting, for the expression of EPO-R. EPO's effects on DNA synthesis and cell proliferation were also examined. RESULTS: EPO-R transcripts were readily detected in cortex, medulla, and papilla of human and rat kidney, in mesangial (human, rat), proximal tubular (human, mouse), and medullary collecting duct cells (human). Nucleotide sequences of EPO-R cDNAs from renal cells were identical to those of erythroid precursor cells. Specific 125I-EPO binding revealed a single class of high- to intermediate-affinity EPO-Rs in each tested cell line (kD 96 pm to 1. 4 nm; Bmax 0.3 to 7.0 fmol/mg protein). Western blots of murine proximal tubular cell membranes revealed an EPO-R protein of approximately 68 kDa. EPO stimulated DNA synthesis and cell proliferation dose dependently. CONCLUSION: This is the first direct demonstration, to our knowledge, that renal cells possess EPO-Rs through which EPO stimulates mitogenesis. This suggests currently unrecognized cytokine functions for EPO in the kidney, which may prove beneficial in the repair of an injured kidney while being potentially detrimental in renal malignancies. (+info)Role of cytokine signaling molecules in erythroid differentiation of mouse fetal liver hematopoietic cells: functional analysis of signaling molecules by retrovirus-mediated expression. (2/3892)
Erythropoietin (EPO) and its cell surface receptor (EPOR) play a central role in proliferation, differentiation, and survival of erythroid progenitors. Signals induced by EPO have been studied extensively by using erythroid as well as nonerythroid cell lines, and various controversial results have been reported as to the role of signaling molecules in erythroid differentiation. Here we describe a novel approach to analyze the EPO signaling by using primary mouse fetal liver hematopoietic cells to avoid possible artifacts due to established cell lines. Our strategy is based on high-titer retrovirus vectors with a bicistronic expression system consisting of an internal ribosome entry site (IRES) and green fluorescent protein (GFP). By placing the cDNA for a signaling molecule in front of IRES-GFP, virus-infected cells can be viably sorted by fluorescence-activated cell sorter, and the effect of expression of the signaling molecule can be assessed. By using this system, expression of cell-survival genes such as Bcl-2 and Bcl-XL was found to enhance erythroid colony formation from colony-forming unit-erythroid (CFU-E) in response to EPO. However, their expression was not sufficient for erythroid colony formation from CFU-E alone, indicating that EPO induces signals for erythroid differentiation. To examine the role of EPOR tyrosine residues in erythroid differentiation, we introduced a chimeric EGFR-EPOR receptor, which has the extracellular domain of the EGF receptor and the intracellular domain of the EPOR, as well as a mutant EGFR-EPOR in which all the cytoplasmic tyrosine residues are replaced with phenylalanine, and found that tyrosine residues of EPOR are essential for erythroid colony formation from CFU-E. We further analyzed the function of the downstream signaling molecules by expressing modified signaling molecules and found that both JAK2/STAT5 and Ras, two major signaling pathways activated by EPOR, are involved in full erythroid differentiation. (+info)Iron depletion by phlebotomy with recombinant erythropoietin prior to allogeneic transplantation to prevent liver toxicity. (3/3892)
Iron overload may induce liver toxicity after hematopoietic stem cell transplantation (HSCT), but it is not known if iron depletion prior to HSCT can reduce the risk of severe toxicity in this setting. We used subcutaneous recombinant erythropoietin (EPO) (25 UI/kg) three times a week and phlebotomy once a week, to prevent liver toxicity in a patient with advanced acute leukemia and liver disease due to severe iron overload, previous drug toxicity and hepatitis C viral infection. Over the 9 months prior to allogeneic HSCT, 34 phlebotomies were carried out. Serum ferritin dropped from 2964 to 239 microg/l and the ALT dropped to near normal values. At allogeneic HSCT no liver toxicity was observed, suggesting that iron depletion in the pretransplant period may contribute to reducing transplant-related toxicity in selected cases. (+info)Association of plasma fibrinogen concentration with vascular access failure in hemodialysis patients. (4/3892)
BACKGROUND: Elevated plasma fibrinogen is an important risk factor for coronary artery disease in the general population and patients with chronic renal failure. High plasma fibrinogen may trigger thrombus formation in arteriovenous fistulas. We performed a prospective, cohort study to evaluate the association of plasma fibrinogen concentration with vascular access failure in patients undergoing long-term haemodialysis. METHODS: Between September 1989 and October 1995, 144 patients underwent a vascular access operation. In March 1997, 102 patients (56 M, 46 F) who had been followed up for more than 18 months (median; 37 months, range; 18-102 months) were included in the study. The median age of the patients was 52 years (range; 19-78 years). In 35 patients, renal disease was secondary to diabetes mellitus. The type of vascular access was a polytetrafluoroethylene (PTFE) graft in 17 patients. Seventy-seven patients received recombinant human erythropoietin (r-HuEPO) therapy during the follow-up period. Plasma fibrinogen, albumin, total cholesterol, hematocrit, platelets and creatinine were measured at the time of operation. Vascular access failure was defined as the occurrence of complications requiring transluminal angioplasty, thrombolytic therapy or surgical repair. RESULTS: Thirty-eight patients had at least one vascular access failure and the incidence was 0.3 (range; 0-2.4) episodes per patient-year. The survival rate of vascular access was 78% (native fistula; 80%, PTFE graft; 71%) after 12 months and 70% (native fistula; 73%, PTFE graft; 51%) after 24 months. Older age, a PTFE graft, r-HuEPO therapy, higher hematocrit, lower albumin and higher fibrinogen levels were significantly associated with vascular access failure, whereas gender, diabetes mellitus, total cholesterol and platelet count were not. Plasma fibrinogen was inversely correlated with albumin (r=-0.38, P=0.001). The cumulative vascular access survival was significantly lower in patients with high plasma fibrinogen levels (> or = 460 mg/dl) compared with patients with low levels (< 460 mg/dl) (P=0.007). Independent risk factors for vascular access failure analysed by Cox's proportional hazards model were older age (RR; 1.36 by 10-year increment), higher fibrinogen level (RR; 1.20 by 100 mg/dl increment), PTFE graft (RR; 2.28) and r-HuEPO therapy (RR; 3.79). CONCLUSION: High plasma fibrinogen level is an independent risk factor for vascular access failure in haemodialysis patients. (+info)Advances in the biological therapy and gene therapy of malignant disease. (5/3892)
Biological and gene therapy of cancer have become important components of clinical cancer research. Advances in this area are based on evidence for the presence of tumor antigens, antitumor immune responses, evasion of host control by tumors, and the recognition of host defense failure in cancer patients. These mechanisms are being corrected or exploited in the development of biological and gene therapy. Over the last decade, 9 biological therapies have received Food and Drug Administration approval, and another 12 appear promising and will likely be approved in the next few years. Our approach to gene therapy has been to allogenize tumors by the direct intratumoral injection of HLA-B7/beta2-microglobulin genes as plasmid DNA in a cationic lipid into patients with malignant melanoma. In four Phase I studies, we found a 36% response by the local injected tumor and a 19% systemic antitumor response. In other cancers, gene transfer, expression, and an intratumoral T-cell response were seen, but no clinical response was seen. A variety of follow-up studies with HLA-B7 and other genes are planned. Evasion of host control is now a major target of gene therapy. Strategies to overcome this include up-regulation of MHC and introduction of cell adhesion molecules into tumor cells, suppression of transforming growth factor and interleukin 10 production by tumor cells, and blockade of the fas ligand-fas interaction between tumor cells and attacking lymphocytes. With these approaches, it seems likely that gene therapy may become the fifth major modality of cancer treatment in the next decade. (+info)Identification of the poly(C) binding protein in the complex associated with the 3' untranslated region of erythropoietin messenger RNA. (6/3892)
Hypoxia regulates expression of erythropoietin (EPO), a glycoprotein that stimulates erythrocytosis, at the level of transcription and also possibly at the level of messenger RNA (mRNA) stability. A pyrimidine-rich region within the EPO mRNA 3' untranslated region was implicated in regulation of EPO mRNA stability element and shown to bind protein factors. In the present study we wished to identify the protein factor binding to the pyrimidine-rich sequence in the EPO mRNA stability element. Using mobility shift assays, ultraviolet light cross-linking, and sodium dodecyl sulfate-polyacrylamide gel electrophoresis (SDS-PAGE), and electroelution of protein factors from the gel slices corresponding to the ribonucleoprotein complexes, we found that two isoforms of a 40 kD poly(C) binding protein (PCBP, also known as alphaCP or hnRNPE), PCBP1, and PCBP2 are present in that complex. In Hep3B or HepG2 cells hypoxia induces neither expression of PCBP nor formation of the ribonucleoprotein complex associated with EPO mRNA that involves PCBP. (+info)Erythropoietin depresses nitric oxide synthase expression by human endothelial cells. (7/3892)
We have recently shown that erythropoietin (EPO)-induced hypertension is unrelated to the rise in hematocrit and is marked by elevated cytosolic [Ca+2] and nitric oxide (NO) resistance. The present study was done to determine the effect of EPO on NO production and endothelial NO synthase (eNOS) expression by endothelial cells. Human coronary artery endothelial cells were cultured to subconfluence and then were incubated for 24 hours in the presence of either EPO (0, 5, and 20 U/mL) alone or EPO plus the calcium channel blocker felodipine. The experiments were carried out with quiescent (0.5% FCS) and proliferating (5% FCS) cells. Total nitrate and nitrite, eNOS protein, DNA synthesis (thymidine incorporation), and cell proliferation (cell count) were determined. In addition, NO production in response to acetylcholine stimulation was tested. EPO resulted in a dose-dependent inhibition of basal and acetylcholine-stimulated NO production and eNOS protein expression and also led to a significant dose-dependent stimulation of DNA synthesis in endothelial cells. The inhibitory effects of EPO on NO production and eNOS expression were reversed by felodipine. Thus, EPO downregulates basal and acetylcholine-stimulated NO production, depresses eNOS expression, and stimulates proliferation in isolated human endothelial cells. The suppressive effects of EPO on NO production and on eNOS expression are reversed by calcium channel blockade. (+info)Expression of the erythropoietin receptor by trophoblast cellsin the human placenta. (8/3892)
Nonclassical sites of erythropoietin (EPO) and erythropoietin receptor (EPO-R) expression have been described that suggest new physiological roles for this hormone unrelated to erythropoiesis. The recent finding of EPO expression by trophoblast cells in the human placenta prompted us to consider whether these cells also express EPO-R. With use of immunocytochemistry, EPO-R was identified in villous and extravillous cytotrophoblast cells, as well as in the syncytiotrophoblast at all gestational ages. EPO-R was also expressed by cells within the villous core, including endothelial cells of fetoplacental blood vessels. Placental tissues and isolated and immunopurified trophoblast cells, as well as trophoblast-derived choriocarcinoma Jar cells, expressed immunoreactive EPO-R on Western blot. EPO-R mRNA was also detected in the same placental tissues and trophoblast cells by nested-primer reverse transcription-polymerase chain reaction. Finally, EPO-R was functional insofar as the receptor was phosphorylated on tyrosine residues in response to exogenous EPO treatment of cultured trophoblast or Jar cells. Thus, the present findings support the hypothesis that trophoblast cells of the human placenta express EPO-R. In view of these results, taken together with previous work demonstrating EPO expression by the same cells, an autocrine role for this hormone in the survival, proliferation, or differentiation of placental trophoblast cells is proposed. (+info)SciCombinator - Haemoglobin Mass and Running Time Trial Performance after Recombinant Human Erythropoietin Administration in...
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Erythropoietin administration protects retinal neurons from acute ischemia-reperfusion injury<...
A Review of the Efficacy of Erythropoietin Alfa Treatment for Chemotherapy-Induced Anemia | Prized Writing
Acute normobaric hyperoxia transiently attenuates plasma erythropoietin concentration in healthy males : evidence against the ...
The effect of post-injury erythropoietin administration on mortality and Glasgow outcome scales of patients with traumatic...
1990 - Subcutaneous recombinant human erythropoietin decreased anemia in predialysis
patients with chronic renal...
Stimulation of erythropoiesis by in vivo gene therapy: physiologic consequences of transfer of the human erythropoietin gene to...
The expression system was used to create recombinant human erythropoietin, a - BET-bromodomain inhibition research
Effect of recombinant human erythropoietin administration on lipid peroxidation and antioxidant enzyme(s) activities in preterm...
Macrophages as novel targets for erythropoietin | Haematologica
Erythropoietin, a Novel Versatile Player Regulating Energy Metabolism beyond the Erythroid System
Recombinant Human Erythropoietin Treatment in Pre-Dialysis PatientsA Double-Blind Placebo-Controlled Trial | Annals of Internal...
Validation of whole-blood transcriptome signature during microdose recombinant human erythropoietin (rHuEpo) administration |...
The WHO Classification of Tumors of Hematopoietic and Lymphoid Tissues - The ASCO Post
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The Effect of Recombinant Human Erythropoietin on Neurovasculature Repair after Focal Ischemic Stroke in Neonatal Rats |...
Recombinant Human Erythropoietin in Cancer-Related Anemia
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Recombinant human erythropoietin stimulates vasculogenesis and wound healing in a patient with systemic sclerosis complicated...
Inactivation of erythropoietin leads to defects in cardiac morphogenesis | Development
Effects of theophylline on erythropoietin production in normal subjects in patients with erythrocytosis after renal...
Effects Of Recombinant Human Erythropoietin On Platelet Activation In Acute Myocardial Infarction: Results Of A Double-Blind,...
Effect of inhibitors of oxidative phosphorylation on erythropoietin mRNA in isolated perfused rat kidneys. - Target Discovery...
Both darbepoetin alfa and carbamylated erythropoietin prevent kidney graft dysfunction due to ischemia/reperfusion in rats |...
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THE EFFECT OF EXOGENOUS ERYTHROPOIETIN UPON ERYTHROPOIESIS IN RADIATION- INDUCED ANEMIC RATS
Human pluripotent stem cell-derived erythropoietin-producing cells ameliorate renal anemia in mice | Science Translational...
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Patent US6376218 - Expression system for producing recombinant human erythropoietin, method for ... - Google Patents
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Robust increases in erythropoietin production by the hypoxic fetus is a response to protect the brain and other vital organs<...
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Erythropoietin
"Erythropoietin". Dictionary.com Unabridged (Online). n.d. "erythropoietin - definition of erythropoietin in English from the ... Erythropoietin production can be induced by HIF-2α as well as by PGC-1α. Erythropoietin also activates these factors, resulting ... Erythropoietin has been shown to exert its effects by binding to the erythropoietin receptor (EpoR). EPO binds to the ... Exogenous erythropoietin, recombinant human erythropoietin (rhEPO), is produced by recombinant DNA technology in cell culture ...
Erythropoietin receptor
... has been shown to interact with: CRKL, Erythropoietin, Grb2, Janus kinase 2, LYN, PIK3R1, PTPN6, SOCS2 ... Zhu Y, D'Andrea AD (Mar 1994). "The molecular physiology of erythropoietin and the erythropoietin receptor". Current Opinion in ... "Generation of committed erythroid BFU-E and CFU-E progenitors does not require erythropoietin or the erythropoietin receptor". ... The erythropoietin receptor (EpoR) is a protein that in humans is encoded by the EPOR gene. EpoR is a 52kDa peptide with a ...
Erythropoietin in neuroprotection
Erythropoietin mutants R103-E and S100-E (though S100 in Epo doesn't exist) has been reported to be non-erythropoietin but ... Erythropoietin in neuroprotection is the use of the glycoprotein erythropoietin (Epo) for neuroprotection. Epo controls ... Campana WM, Myers RR (August 2001). "Erythropoietin and erythropoietin receptors in the peripheral nervous system: changes ... "Erythropoietin and erythropoietin receptor in the developing human central nervous system". Pediatr. Res. 43 (1): 40-9. doi: ...
Continuous erythropoietin receptor activator
... (CERA) is the generic term for drugs in a new class of third-generation ... Lasne, F; Martin, L; Martin, J. A; De Ceaurriz, J (2009). "Detection of continuous erythropoietin receptor activator in blood ... CERAs have an extended half-life and a mechanism of action that promotes increased stimulation of erythropoietin receptors ... "Continuous Erythropoietin Receptor Activator (C.E.R.A.) administered at extended administration intervals corrects anaemia in ...
Epileptogenesis
... the hormone erythropoietin; and, paradoxically, drugs such as the α2 adrenergic receptor antagonist atipamezole and the CB1 ...
Rejuvenation
... erythropoietin (EPO); 4. insulin; 5. DHEA; 6. melatonin; 7. thyroid; 8. pregnenolone. In theory, if all or some of these ...
Doping at the 1999 Tour de France
13 June 2006). "Detection of recombinant human erythropoietin in urine for doping analysis - Interpretation of isoelectric ... Françoise Lasne & Jacques de Ceaurriz (8 June 2000). "Recombinant erythropoietin in urine". Nature. 405 (6787): 635. Bibcode: ...
Doping at the 1998 Tour de France
13 June 2006). "Detection of recombinant human erythropoietin in urine for doping analysis - Interpretation of isoelectric ... Françoise Lasne & Jacques de Ceaurriz (8 June 2000). "Recombinant erythropoietin in urine". Nature. 405 (6787): 635. Bibcode: ... erythropoietin (EPO), growth hormones, testosterone and amphetamines. When raiding the Festina headquarters in France, the ...
List of stripped Olympic medals
Sytkowski, Arthur J. (May 2006). Erythropoietin: Blood, Brain and Beyond. John Wiley & Sons. pp. 187-. ISBN 978-3-527-60543-9. ...
Zidovudine
Fisher, J. W. (1997). "Erythropoietin: physiologic and pharmacologic aspects". Proceedings of the Society for Experimental ... Fisher, J. W. (2003). "Erythropoietin: physiology and pharmacology update". Experimental Biology and Medicine. 228 (1): 1-14. ...
Epitestosterone
Sytkowski, Arthur J. (May 2006). Erythropoietin: Blood, Brain and Beyond. John Wiley & Sons. pp. 187-. ISBN 978-3-527-60543-9. ...
Tan Chorh Chuan
Tan completed his PhD in 1992 with a dissertation entitled "Regulation of erythropoietin messenger RNA". Upon graduation in ... Tan, Chorh Chuan (1992). Regulation of Erythropoietin Messenger RNA. National University of Singapore. Archived from the ...
List of Olympic Games scandals and controversies
Sytkowski, Arthur J. (May 2006). Erythropoietin: Blood, Brain and Beyond. John Wiley & Sons. p. 187. ISBN 978-3-527-60543-9. " ...
Soviet Union
Sytkowski, Arthur J. (May 2006). Erythropoietin: Blood, Brain and Beyond. John Wiley & Sons. pp. 187-. ISBN 978-3-527-60543-9. ...
1980 Summer Olympics
Sytkowski, Arthur J. (May 2006). Erythropoietin: Blood, Brain and Beyond. John Wiley & Sons. pp. 187-. ISBN 978-3-527-60543-9. ...
Doping in sport
Erythropoietin (EPO) is largely taken by endurance athletes who seek a higher level of red blood cells, which leads to more ... The Juventus team has been accused of using erythropoietin (EPO) and the matter went to trial in 2004. In November 2004, club ... Sytkowski, Arthur J. (May 2006). Erythropoietin: Blood, Brain and Beyond. John Wiley & Sons. pp. 187-. ISBN 978-3-527-60543-9. ... that the purchase of erythropoietin or its administration to the athletes of the club does not emerge from any act of the trial ...
Polycythemia
In many families, PFCP is due to an autosomal dominant mutation in the EPOR erythropoietin receptor gene. PFCP can cause an ... The production of red blood cells (or erythropoeisis) in the body is regulated by erythropoietin, which is a protein produced ... Ebert BL, Bunn HF (September 1999). "Regulation of the erythropoietin gene". Blood. 94 (6): 1864-1877. doi:10.1182/blood.V94.6. ... Secondary polycythemia is caused by either natural or artificial increases in the production of erythropoietin, hence an ...
Endocrine gland
... erythropoietin and renin); the thymus; skin (cholecalciferol); and adipose tissue (leptin and resistin). Endocrine glands ...
Doping at the Olympic Games
Sytkowski, Arthur J. (May 2006). Erythropoietin: Blood, Brain and Beyond. John Wiley & Sons. pp. 187-. ISBN 978-3-527-60543-9. ...
Altitude
Ismailov, RM (July-September 2013). "Erythropoietin and epidemiology of Alzheimer disease". Alzheimer Dis. Assoc. Disord. 27 (3 ... the recent hypothesis suggests that high altitude could be protective against Alzheimer's disease via action of erythropoietin ...
Megakaryocyte
It has high homology with erythropoietin. It is essential for the formation of an adequate quantity of platelets. After budding ... Certain cytokines such as IL-3, IL-6, IL-11, LIF, erythropoietin, and thrombopoietin all stimulate the maturation of ... Jelkmann W (2001). "The role of the liver in the production of thrombopoietin compared with erythropoietin". Eur. J. ... and erythropoietin. The megakaryocyte develops through the following lineage: CFU-Me (pluripotential hemopoietic stem cell or ...
Renal cell carcinoma
... due to increased erythropoietin secretion; varicocele, which is seen in males as an enlargement of the pampiniform plexus of ... anaemia resulting from depression of erythropoietin; erythrocytosis (increased production of red blood cells) ...
Hereditary haemochromatosis
"The interaction of iron and erythropoietin". sickle.bwh.harvard.edu. Ofojekwu, Mary-Jane N.; Nnanna, Ogbonnaya U.; Okolie, ...
UFC 174
Ali Bagautinov tested positive for erythropoietin. The following fighters were awarded $50,000 bonuses: Fight of the Night: Tae ... announced that Bagautinov tested positive for erythropoietin (EPO) prior to the title fight. In response, the BCAC has ...
UFC Fight Night: Cejudo vs. Dillashaw
Dillashaw tested positive for erythropoietin (EPO). The following fighters were awarded $50,000 bonuses: Fight of the Night: ... as it was revealed he tested positive to erythropoietin in a fight night test. martial arts portal New York City portal New ...
List of recombinant proteins
Erythropoietin (EPO): Epogen from Amgen Granulocyte colony-stimulating factor (G-CSF): filgrastim sold as Neupogen from Amgen; ... Inoue N, Takeuchi M, Ohashi H, Suzuki T (1995). "The production of recombinant human erythropoietin". Biotechnology Annual ...
Assessment of kidney function
... such as erythropoietin; and activation of vitamin D.[citation needed] Much of renal physiology is studied at the level of the ... such as erythropoietin; and activation of vitamin D.[citation needed] The functions of the kidney include maintenance of acid- ...
Mepitiostane
175-. ISBN 978-94-011-4439-1. "Mepitiostane". Allan J. Erslev (1991). Erythropoietin: molecular, cellular, and clinical biology ...
Fu-Kuen Lin
Lin is the inventor of seven US patents covering "DNA Sequences Encoding Erythropoietin" and "Production of Erythropoietin". ... In 1983 his team successfully established the gene coding for it and recombinant human erythropoietin was approved by the US ... He was involved with Amgen's recombinant human erythropoietin (EPO) project from the start, and was soon leading the team, ... Lin F. (1984), DNA sequences encoding erythropoietin., US-Patent 4,703,008 (30 November 1984). Lin F. et al. (1985) "Cloning ...
Constance Tom Noguchi
In 1991, Noguchi isolated and cloned the human erythropoietin receptor gene.Erythropoietin is an essential hormone for red ... Erythropoietin regulation is involved in metabolism in a number of ways, including oxygen delivery, maintenance of white ... Noguchi, CT; Bae, KS; Chin, K; Wada, Y; Schechter, AN; Hankins, WD (15 November 1991). "Cloning of the human erythropoietin ... Suresh, Sukanya; Rajvanshi, Praveen Kumar; Noguchi, Constance T. (2020). "The Many Facets of Erythropoietin Physiologic and ...
Erythropoietin test: MedlinePlus Medical Encyclopedia
Polycythemia and Erythropoietin in a Patient With Chronic Kidney Disease
Hydronephrotic kidney disease can sometimes result in erythropoietin-associated secondary polycythemia, even in non-functioning ... At presentation, he had a hemoglobin level of 220 g/l, a serum erythropoietin level of 27.4 U/l and a serum creatinine level of ... Polycythemia and Increased Erythropoietin in a Patient With Chronic Kidney Disease. Simone Stark; Björn Winkelmann; Christof ... Cite this: Polycythemia and Increased Erythropoietin in a Patient With Chronic Kidney Disease - Medscape - Apr 01, 2007. ...
Erythropoietin test
Browsing by Subject "Erythropoietin"
Recombinant Human Erythropoietin in Cancer-Related Anemia
Based on these trials, recombinant erythropoietin was approved for the treatment of anemia in patients with nonmyeloid ... The clinical development of recombinant human erythropoietin (rHuEPO) has had a remarkable impact on the clinical practice of ... Erythropoietin Therapy in Cancer Chemotherapy Patients. Pathophysiology. Studies of recombinant erythropoietin demonstrated ... The Glaspy et al study utilized a dose of erythropoietin at 150 U/kg SC three times weekly with an increase to 300 U/kg SC ...
Erythropoietin (EPO) ELISA Kit | STEMCELL Technologies
A specific in vitro bioassay for measuring erythropoietin levels in human serum and plasma. Wognum AW et al. Blood 1990 OCT ... Immunochemical analysis of monoclonal antibodies to human erythropoietin. Wognum AW et al. Experimental hematology 1990 MAR ... Anaemia due to malignant disease responds to erythropoietin therapy in many cases; failure to respond is a poor prognostic sign ... The accurate measurement of biologically active erythropoietin (Ep) in human serum and plasma using present in vivo and in ...
Feline erythropoietin receptor agonists - Patent US-10287336-B2 - PubChem
Hospira, Inc. Begins Phase I U.S. Clinical Trial of Biosimilar Erythropoietin in Renal Patients | BioSpace
Begins Phase I U.S. Clinical Trial of Biosimilar Erythropoietin in Renal Patients - read this article along with other careers ... Begins Phase I U.S. Clinical Trial of Biosimilar Erythropoietin in Renal Patients. Published: Jul 26, 2010 ... Erythropoietin is a treatment for anemia associated with chronic renal failure and chemotherapy. ... Phase I clinical trial of its biosimilar erythropoietin (EPO) in patients with renal (kidney) dysfunction who have anemia, an ...
Rat Erythropoietin, EPO ELISA Kit | CSB-E07323r | Cusabio
Rat Erythropoietin, EPO ELISA Kit from Cusabio. Cat#: CSB-E07323r. US, UK & Europe Distribution. Online Order or Request ... Rat Erythropoietin, EPO ELISA Kit , CSB-E07323r Cusabio Elisa Rat Erythropoietin, EPO ELISA Kit , CSB-E07323r. (No reviews yet ... Pig Erythropoietin, EPO ELISA Kit , CSB-E12056p , CusabioPig Erythropoietin, EPO ELISA Kit is Available at Gentaur Genprice ... Dog Erythropoietin, EPO ELISA Kit , CSB-E11303c , CusabioDog Erythropoietin, EPO ELISA Kit is Available at Gentaur Genprice ...
Erythropoietin and Diabetic Retinopathy | Abstract
LEGEND MAX Human Erythropoietin EPO ELISA Kit with Pre-coated Plates
Assessment of Patient Perceptions about Use of Wepox PenTM (Recombinant Erythropoietin Delivery Device with 30,000 IU Cartridge...
... loaded with 30,000 IU cartridge of recombinant erythropoietin) in the management of anemia in adult chronic kidney disease (CKD ... adult CKD patients treated with erythropoietin were enrolled from November 2015 to December 2016 to understand their opinions ... Moreover, confidence of patient is high while using erythropoietin with this device. Self-administration of erythropoietin with ... Recombinant human erythropoietin, the choice of therapy for anemia in CKD patients can be administered by subcutaneous and ...
Peripheral neuropathy response to erythropoietin in type 2 diabetic patients with mild to moderate renal failure | Semantic...
Peripheral neuropathy response to erythropoietin in type 2 diabetic patients with mild to moderate renal failure by Mahshid S ... Anemia with erythropoietin deficiency occurs early in diabetic nephropathy.. *D. Bosman, A. Winkler, J. Marsden, I. Macdougall ... Effect of erythropoietin therapy on polyneuropathy in predialytic patients.. *K. Hassan, W. Simri, +4 authors. B. Kristal ... Age-associated changes in vascular health and its relation with erythropoietin. *Jyoti P Khodnapur, Kusal K. Das ...
David Weatherall - Scientist - Age-dependent erythropoietin response and work in Papua New Guinea - Web of Stories
David Weatherall talks about Age-dependent erythropoietin response and work in Papua New Guinea ... that age and haemoglobin are independent variables for erythropoietin response. And then if you start to draw erythropoietin ... Age-dependent erythropoietin response and work in Papua New Guinea 44 03:21 ... So if youve got five grams of haemoglobin at the age of two years, on average your erythropoietin response will be much higher ...
Secondary erythrocytosis associated with high plasma erythropoietin concentrations in a dog with cecal leiomyosarcoma in:...
GMS | 78. Jahresversammlung der Deutschen Gesellschaft für Hals-Nasen-Ohren-Heilkunde, Kopf- und Hals-Chirurgie e. V. | Effect...
Erythropoietin | Johns Hopkins HIV Guide
Erythropoietin answers are found in the Johns Hopkins HIV Guide powered by Unbound Medicine. Available for iPhone, iPad, ... "Erythropoietin." Johns Hopkins HIV Guide, 2016. Johns Hopkins Guide, www.hopkinsguides.com/hopkins/view/Johns_Hopkins_HIV_Guide ... Erythropoietin is a topic covered in the Johns Hopkins HIV Guide. To view the entire topic, please log in or purchase a ... TY - ELEC T1 - Erythropoietin ID - 545068 A1 - Smith,Janessa,Pharm.D., BCPS AU - Pham,Paul,Pharm.D. Y1 - 2016/10/04/ BT - Johns ...
G-protein α subunit Giα2 mediates erythropoietin signal transduction in human erythroid precursors<...
N2 - Erythropoietin induces a dose-dependent increase in cytosolic calcium in human erythroblasts that is mediated by a voltage ... AB - Erythropoietin induces a dose-dependent increase in cytosolic calcium in human erythroblasts that is mediated by a voltage ... Erythropoietin induces a dose-dependent increase in cytosolic calcium in human erythroblasts that is mediated by a voltage- ... abstract = "Erythropoietin induces a dose-dependent increase in cytosolic calcium in human erythroblasts that is mediated by a ...
Evolution of the receptors for growth hormone, prolactin, erythropoietin and thrombopoietin in relation to the vertebrate...
... erythropoietin and thrombopoietin in relation to the vertebrate tetraploidizations ... Evolution of the receptors for growth hormone, prolactin, erythropoietin and thrombopoietin. .pdf (. 9.55 MB. ). view. download ... Cite this article as: Ocampo Daza D, Larhammar D. Evolution of the receptors for growth hormone, prolactin, erythropoietin and ... Evolution of the receptors for growth hormone, prolactin, erythropoietin and thrombopoietin in relation to the vertebrate ...
Human recombinant erythropoietin (rEpo) has no effect on tumour growth or angiogenesis. | [email protected]
Human recombinant erythropoietin (rEpo) has no effect on tumour growth or angiogenesis. ... Human recombinant erythropoietin (rEpo) has no effect on tumour growth or angiogenesis. Journal Article (Journal Article) ... Exogenous recombinant erythropoietin (rEpo) has been recently shown to increase tumour oxygenation in a mammary carcinoma model ...
PREOPERATIVE USE OF ERYTHROPOIETIN IN ADOLESCENTS UNDERGOING SCOLIOSIS SURGERY | Anesthesiology | American Society of...
PREOPERATIVE USE OF ERYTHROPOIETIN IN ADOLESCENTS UNDERGOING SCOLIOSIS SURGERY: HEMATOLOGIC, CARDIOVASCULAR AND SIDE EFFECTS P ... Preoperative Use of Erythropoietin in an Adolescent Jehovahs Witness Anesthesiology (September 1990) ... P Rothstein, D Roye, L Verdisco; PREOPERATIVE USE OF ERYTHROPOIETIN IN ADOLESCENTS UNDERGOING SCOLIOSIS SURGERY: HEMATOLOGIC, ... Effect of Single Recombinant Human Erythropoietin Injection on Transfusion Requirements in Preoperatively Anemic Patients ...
The Metabolic Effect of Chronic Elevated Erythropoietin in Tg6 Mice | Diabetes | American Diabetes Association
Erythropoietin (EPO) is the cytokine required for erythrocyte production. However, EPO receptor (EpoR) expression is not ... The Metabolic Effect of Chronic Elevated Erythropoietin in Tg6 Mice HEATHER ROGERS; HEATHER ROGERS ... Erythropoietin (EPO) is the cytokine required for erythrocyte production. However, EPO receptor (EpoR) expression is not ... HEATHER ROGERS, OKSANA GAVRILOVA, CONSTANCE T. NOGUCHI; The Metabolic Effect of Chronic Elevated Erythropoietin in Tg6 Mice. ...
Erythropoietin (EPO)
Bidirectional signalling between EphA2 and ephrinA1 increases tubular cell attachment, laminin secretion and modulates...
... laminin secretion and modulates erythropoietin expression after renal hypoxic injury. Pflügers Archiv : European Journal of ... laminin secretion and modulates erythropoietin expression after renal hypoxic injury. Item availability may be restricted. ... laminin secretion and modulates erythropoietin expression after renal hypoxic injury ...
KAKEN - Research Projects | Studies on renal O 2 sensing mechanism- with special relevance to erythropoietin production. ...
Publications] Shimizu,S.,Sakata,S.,Enoki,Y.,Ohga,Y.,Oki,I.& Kohzuki,H.: Temporal changes of plasma erythropoietin level in ... Publications] Shimizu,S.,Sakata,S.,Enoki,Y.,Ohga,Y.,Oki,I.& Kohzuki,H.: Temporal changes of plasma erythropoietin level in ... Publications] Sakata,S.et al.: Plasma erythropoietin in mice at simulated high-altitude. High-altitude Medicine (Ueda,G.,ed ... Publications] Sakata,S.et al.: Improved microbioassay for plasma erythropoietin based on CFU-E colony formation. Annals of ...
The Effect of Systemic Erythropoietin and Oral prednisolone on Recent-Onset Non-Arteritic Anterior Ischemic Optic Neuropathy: A...
Thirty-four patients were randomized into group 1 (systemic erythropoietin), group 2 (oral steroids), and group 3 (control). ... Group A received 10,000 units of erythropoietin twice a day for three days. Group B received oral prednisone 75 mg daily for ... The findings of our study indicate the beneficial effects of systemic erythropoietin in preserving the function and structure ... To evaluate the effect of systemic erythropoietin, as well as oral steroids, in the management of recent onset non-arteritic ...
erythropoietin
Tag: erythropoietin. Australian racing embroiled in US doping saga. Mar 15, 2020. Tuesdays Horse3 Comments ... Posted in Horse RacingTagged the devil, arrests, ashley lebowitz, australia, cats fun, dexamethasone, EPO, erythropoietin, ... Posted in Horse RacingTagged blood doping horses, darbepoetin, erythropoietin, horses kentucky, james arledge, jan johnson, joe ... request determined in December that the four horses were negative for the performance-enhancing drugs erythropoietin or ...
Stepping up versus standard doses of erythropoietin in preterm infants: a randomized controlled trial | Archive ouverte UNIGE
In this study, it is hypothesized that a planned increase in the dose of recombinant human erythropoietin (rh-EPO) can prevent ... GUMY PAUSE, Fabienne et al. Stepping up versus standard doses of erythropoietin in preterm infants: a randomized controlled ... Birth Weight - Blood Transfusion/adverse effects - Dose-Response Relationship, Drug - Double-Blind Method - Erythropoietin/ ... Stepping up versus standard doses of erythropoietin in preterm infants: a randomized controlled trial. ...
Erythropoietin in tumor angiogenesis
... Annese, Tiziana;Tamma, Roberto;Ruggieri, Simona;Ribatti, Domenico 2019-01-01. Abstract. ... Erythropoietin (EPO) is a moonlighting protein since is ability to work as hormone, cytokine and growth factor. Its cardinal ... Erythropoietin (EPO) is a moonlighting protein since is ability to work as hormone, cytokine and growth factor. Its cardinal ...
Recombinant erythropoietinRenalELISA KitTransfusion requirementsReceptorsAnemiaSerumStimulatesDiabetic RetinopathyErythropoiesisRole of erythropoietinAmount of erythropoietinHypoxiaKidneyDialysis patientsPlasma erythropoietinRelease erythropoietinBiosimilar erythropoietinPolymorphismsHormonePreterm infantsInjectionHumanPatientsBiologicRs1617640TherapyGeneDarbepoetinApoptosisOxygen2016AntibodyBone2020EffectAssayResponseCellsAnemicLevelsIndiaBloodProductsSurvival
Recombinant erythropoietin12
- Based on these trials, recombinant erythropoietin was approved for the treatment of anemia in patients with nonmyeloid malignancies in whom the anemia was caused by the effect of chemotherapy. (cancernetwork.com)
- Subsequently, three large open-label, prospective trials of recombinant erythropoietin were performed in the community setting in anemic cancer chemotherapy patients. (cancernetwork.com)
- For anemia due to other causes, it was assumedthat recombinant erythropoietin would not be effective, because it was assumedthat endogenous erythropoietin responses would occur. (cancernetwork.com)
- Studies of recombinant erythropoietin demonstrated that theanemia experienced by the cancer chemotherapy patient is multifactorial partiallyattributable to the bone marrow suppression of the cancer chemotherapy, partlyrelated to the blunted erythropoietin response and to the suppressive effects ofcancer and cytokines on erythropoiesis. (cancernetwork.com)
- Objective: To assess perceptions about ease of use and other benefits of Wepox Pen TM (loaded with 30,000 IU cartridge of recombinant erythropoietin) in the management of anemia in adult chronic kidney disease (CKD) patients. (scirp.org)
- Conclusion: Wepox Pen TM (recombinant erythropoietin) is easy to use and does not cause significant pain or discomfort. (scirp.org)
- Ability to self-administer recombinant erythropoietin with Wepox Pen TM is a great advantage which can make a significant difference for both CKD patients and doctors. (scirp.org)
- Wepox Pen TM is a device loaded with 30,000 IU cartridge of recombinant erythropoietin available in Indian market for the treatment of anemia in CKD patients. (scirp.org)
- Human recombinant erythropoietin (rEpo) has no effect on tumour growth or angiogenesis. (duke.edu)
- Exogenous recombinant erythropoietin (rEpo) has been recently shown to increase tumour oxygenation in a mammary carcinoma model. (duke.edu)
- Matrices listed below were spiked with certain level of recombinant Erythropoietin (EPO) and the recovery rates were calculated by comparing the measured value to the expected amount of Erythropoietin (EPO) in samples. (uscnk.com)
- With the advent of the administration of recombinant erythropoietin as a biologic therapy to increase red blood cell mass, an erythropoietin assay may be used also to aid in the prediction and monitoring of response to recombinant erythropoietin treatment of anemia. (yourlifelabs.com)
Renal15
- Chronic renal insufficiency caused by obstructive hydronephrosis and accompanied by increased erythropoietin levels of renal origin and polycythemia. (medscape.com)
- 1] In patients with chronic renal failureand low levels of endogenous erythropoietin, replacement therapy withrecombinant human erythropoietin (rHuEPO [Epogen, Procrit]) resulted innormalization of hemoglobin levels. (cancernetwork.com)
- 2] Despite the significant impacterythropoietin therapy had on the renal dialysis patient population, this wasfelt to be a unique situation related to the lack of erythropoietin productionin the setting of renal failure. (cancernetwork.com)
- Erythropoietin is a treatment for anemia associated with chronic renal failure and chemotherapy. (biospace.com)
- Recombinant Human Erythropoietin Restrains Oxidative Stress in Streptozotocin-induced Diabetic Rats Exposed to Renal Ischemia Reperfusion Injury. (semanticscholar.org)
- Erythropoietin response to anemia and its association with autonomic neuropathy in type 2 diabetic patients without advanced renal failure. (semanticscholar.org)
- Studies on renal O_2 sensing mechanism- with special relevance to erythropoietin production. (nii.ac.jp)
- Recombinant human erythropoietin for chronic renal failure anaemia in pre-dialysis patients. (qxmd.com)
- Erythropoietin is secreted by fibroblasts in the renal cortex. (medscape.com)
- When a medical professional has reason to believe that renal dysfunction could be connected to a decline in erythropoietin production in a patient with chronic kidney disease, erythropoietin levels may be requested. (ultalabtests.com)
- The test may be prescribed in cases of chronic renal disease to determine whether the kidneys are still capable of producing enough erythropoietin. (ultalabtests.com)
- Tissue Expression of Erythropoietin Predicts Survival Rates in Clear Cell Renal Cell Carcinoma. (edu.pl)
- nevertheless, it has been published that functional erythropoietin receptor is not detected in endothelial, cardiac, neuronal, and renal cells. (biolegend.com)
- 2010). Recombinant human erythropoietin treatment protects the cardio-renal axis in a model of moderate chronic renal failure . (up.pt)
- Relation between renal dysfunction requiring renal replacement therapy and promoter polymorphism of the erythropoietin gene in cardiac surgery. (cdc.gov)
ELISA Kit3
- Rat Erythropoietin, EPO ELISA Kit is Available at Gentaur Genprice with the fastest delivery. (joplink.net)
- CusabioMouse Erythropoietin, EPO ELISA Kit is Available at Gentaur Genprice with the fastest delivery.Online Order Payment is possible or send. (joplink.net)
- CusabioHuman Erythropoietin, EPO ELISA Kit is Available at Gentaur Genprice with the fastest delivery.Online Order Payment is possible or send. (joplink.net)
Transfusion requirements2
- A European randomized, placebo-controlled trial confirmed these QOL results, and a meta-analysis of other randomized clinical trials firmly supports the role of erythropoietin therapy in improving hemoglobin levels and reducing transfusion requirements. (cancernetwork.com)
- Erythropoietin (EPO) has been used to try to reduce transfusion requirements, with variable outcomes. (medscape.com)
Receptors3
- Cite this article as: Ocampo Daza D, Larhammar D. Evolution of the receptors for growth hormone, prolactin, erythropoietin and thrombopoietin in relation to the vertebrate tetraploidizations, General and Comparative Endocrinology 257 (2018) 143-160. (figshare.com)
- Background: Accumulating evidences during the past decade suggest that erythropoietin (EPO) may have many beneficial actions other than on erythropoiesis because many non-hematopoietic cells, including kidney cells, also express EPO receptors. (who.int)
- Erythropoietin receptors on cancer cells: a still open question. (edu.pl)
Anemia10
- Based on this aggregate of data, the use of erythropoietin in the treatment of mild-to-moderate anemia has become a standard of care. (cancernetwork.com)
- Although it was expected that higherdoses of erythropoietin would be required, it was remarkable that anemia wasameliorated in most patients with erythropoietin alone, despite this complexmultifaceted pathophysiology. (cancernetwork.com)
- Anemia with erythropoietin deficiency occurs early in diabetic nephropathy. (semanticscholar.org)
- Anemia secondary to AZT and low erythropoietin levels in HIV+ pts. (hopkinsguides.com)
- In some conditions, erythropoietin testing can be used in the assessment and differentiation of anemia, especially in patients receiving erythropoietin replacement therapy with an inadequate response. (medscape.com)
- The Erythropoietin test measures levels of the hormone erythropoietin in your blood's serum and is generally used to identify the cause of anemia. (ultalabtests.com)
- When a person develops anemia that does not seem to be due to iron deficiency, vitamin B12 or folate deficiency, shortened red blood cell lifespan, or heavy bleeding, a test for erythropoietin may be prescribed. (ultalabtests.com)
- The main purpose of an erythropoietin test is to identify the root of anemia. (ultalabtests.com)
- To assist identify whether low EPO may be contributing to or escalating the anemia, erythropoietin testing is prescribed. (ultalabtests.com)
- Of interest, the study also reported 50 percent of the population received a reduced dose of erythropoietin, which most dialysis patients receive to combat anemia. (computermvp.com)
Serum1
- At presentation, he had a hemoglobin level of 220 g/l, a serum erythropoietin level of 27.4 U/l and a serum creatinine level of 200.7 µmol/l (2.27 mg/dl). (medscape.com)
Stimulates3
- Erythropoietin is a glycoprotein hormone that stimulates stem cells of the bone marrow for the production of red blood cells. (bccresearch.com)
- These cells possess specific regulatory mechanisms, called hypoxia-inducible factors (HIFs), which, under hypoxic conditions, stimulate the production of erythropoietin, which stimulates the production of erythrocytes. (medscape.com)
- Erythropoietin stimulates the bone marrow to produce more red blood cells which in turn increases the oxygen-carrying capacity of the blood. (fastescrowrefills.net)
Diabetic Retinopathy5
- Objective: To determine whether sequence variation in the erythropoietin gene (EPO) is associated with the development of diabetic retinopathy (DR). Methods: This was a multicenter study based on 518 subjects with long-standing diabetes mellitus (DM), 173 with type 1DM(T1DM) and 345 with type 2DM(T2DM). (edu.au)
- In this case-control study , the erythropoietin (EPO) promoter variant s1617640, linked to high intravitreal EPO concentrations and increased risk of diabetic retinopathy , was not associated with severe retinopathy of prematurity . (bvsalud.org)
- Association of Erythropoietin Gene Polymorphisms With Type 2 Diabetic Retinopathy in Adult Patients From Northern India. (cdc.gov)
- The GG genotype of erythropoietin rs1617640 polymorphism affects the risk of proliferative diabetic retinopathy in Slovenian subjects with type 2 diabetes mellitus: enemy or ally? (cdc.gov)
- Association of polymorphisms in the erythropoietin gene with diabetic retinopathy: a case-control study and systematic review with meta-analysis. (cdc.gov)
Erythropoiesis1
- Erythropoietin (EPO) is the most important hormone regulating erythropoiesis. (biolegend.com)
Role of erythropoietin1
- The role of erythropoietin stimulating agents in anemic patients with heart failure: solved and unresolved questions. (medscape.com)
Amount of erythropoietin2
- Only with a constant amount of erythropoietin, the synthesis of red blood cells is maintained at the required level. (sefuerte.info)
- Erythropoietin replacement therapy may help boost red blood cell synthesis in the bone marrow if the amount of erythropoietin is low. (ultalabtests.com)
Hypoxia3
- If the body experiences hypoxia (oxygen starvation), the synthesis of erythropoietin and, as a consequence, red blood cells, is dramatically accelerated to provide better oxygen transport. (sefuerte.info)
- In response to hypoxia, HIF-1 activates the expression of many genes including vascular endothelial growth factor (VEGF) and erythropoietin. (cdc.gov)
- The decrease in red cells predisposes the fetus to hypoxia, which elevates erythropoietin (EPO) levels. (jcnonweb.com)
Kidney7
- Erythropoietin is a glycoprotein (about 30, 400 Daltons) that is produced primarily by the kidney and maintains red blood cell turnover. (southtees.nhs.uk)
- The global erythropoietin biosimilar market for kidney diseases is expected to grow at a five year CAGR (2015-2020) of 23.8% to reach nearly $1.3 billion in 2020. (bccresearch.com)
- Too many RBCs may be created if erythropoietin is produced in excess, as is the case with a number of different malignancies as well as some benign or malignant kidney tumors. (ultalabtests.com)
- Erythropoietin is a substance produced by the kidney that leads to the formation of red blood cells in the bone marrow. (fastescrowrefills.net)
- These cells release erythropoietin when the oxygen level is low in the kidney. (fastescrowrefills.net)
- Promoter polymorphism of the erythropoietin gene in severe diabetic eye and kidney complications. (cdc.gov)
- His research contributions included basic understanding of the pathophysiology and complications of advanced kidney disease, such as dialysis-associated amyloidosis, erythropoietin-stimulating agents in dialysis patients and structural abnormalities in patients with Alport syndrome and Goodpasture disease. (vumc.org)
Dialysis patients1
- Treatment with recombinant human erythropoietin (rHu EPO) in dialysis patients has been shown to be highly effective in terms of correcting anaemia and improving quality of life. (qxmd.com)
Plasma erythropoietin1
- Improved microbioassay for plasma erythropoietin based on CFU-E colony formation. (nii.ac.jp)
Release erythropoietin1
- When blood oxygen levels are low, the kidneys generate and release erythropoietin into the blood. (ultalabtests.com)
Biosimilar erythropoietin2
- This decline is due to both the expiry of major patented drugs and the entry of many biosimilar erythropoietin drugs in the European market, which are approximately 20% to 30% cheaper compared to patented drugs. (bccresearch.com)
- Last month, CCM Duopharma Biotech (CCMDB) and PanGen Biotech announced the successful completion of a three-year, joint Phase III clinical trial for a biosimilar erythropoietin in South Korea and Malaysia. (bccresearch.com)
Polymorphisms2
- Erythropoietin-producing Human Hepatocellular Carcinoma Receptor B1 Polymorphisms are Associated with HBV-infected Chronic Liver Disease and Hepatocellular Carcinoma in a Korean Population. (genominfo.org)
- Associations between erythropoietin polymorphisms and risk of diabetic microvascular complications. (cdc.gov)
Hormone11
- The erythropoietin test measures the amount of a hormone called erythropoietin (EPO) in blood. (medlineplus.gov)
- Erythropoietin (EPO) is a moonlighting protein since is ability to work as hormone, cytokine and growth factor. (uniba.it)
- Synthesis of erythrocytes in the blood is controlled by a special hormone, erythropoietin (EPO). (sefuerte.info)
- Erythropoietin is a hormone of glycoprotein nature, which is synthesized by the kidneys. (sefuerte.info)
- In the sports industry, the synthtic analogue of the hormone Erythropoietin in the form of a recombinant alpha isomer first appeared in 1987. (sefuerte.info)
- Scientifically proven: the hormone erythropoietin, stimulating the formation of erythrocytes in the bone marrow, increases the working capacity of the body. (sefuerte.info)
- The hormone called erythropoietin is largely produced by the kidneys. (ultalabtests.com)
- Erythropoietin is produced and released at higher rates until blood oxygen levels return to normal or close to normal levels, at which point production of the hormone declines. (ultalabtests.com)
- Erythropoietin (EPO) is a glycoprotein hormone synthesised predominately by the peritubular cells of the kidneys. (blood-academy.com)
- This article briefly covers human growth hormone (hgh), erythropoietin (epo), and androgenic anabolic steroids and testosterone, and their potential for. (malsaralk.com)
- so do anabolic steroids, human growth hormone (hgh), synthetic erythropoietin (epo), and countless other drugs classified loosely and. (malsaralk.com)
Preterm infants1
- A Randomized Trial of Erythropoietin for Neuroprotection in Preterm Infants. (uams.edu)
Injection1
- However, injection of GDPβS blocked the erythropoietin-induced calcium increase, providing direct evidence that activation of a G-protein is required. (elsevier.com)
Human12
- The clinical development of recombinant human erythropoietin (rHuEPO) has had a remarkable impact on the clinical practice of oncology. (cancernetwork.com)
- Erythropoietin induces a dose-dependent increase in cytosolic calcium in human erythroblasts that is mediated by a voltage-independent Ca 2+ channel. (elsevier.com)
- The role of G-proteins in regulation of the erythropoietin-modulated Ca 2+ channel was delineated here by microinjection of G-protein modulators or subunits into human erythroid precursors. (elsevier.com)
- In this study, it is hypothesized that a planned increase in the dose of recombinant human erythropoietin (rh-EPO) can prevent transfusion in very low birth weight infants. (unige.ch)
- Here, we report positive outcomes following the use of recombinant human erythropoietin (EPO) as an adjuvant therapy in a case of severe COVID-19 infection. (panafrican-med-journal.com)
- Erythropoietin, which is made naturally in the human body (i.e., biologic ), can also be made synthetically (i.e., biosimilar ). (bccresearch.com)
- Erythropoietin and erythropoietin receptor expression in human cancer. (edu.pl)
- Putative oncogenic role of the erythropoietin receptor in murine and human erythroleukemia cells. (edu.pl)
- Recombinant human erythropoietin in combination with chemotherapy increases breast cancer metastasis in preclinical mouse models. (edu.pl)
- Erythropoietin-producing human hepatocellular carcinoma receptor B1 (EPHB1) is a member of the Eph family of receptor tyrosine kinases that mediate vascular system development. (genominfo.org)
- Rat Erythropoietin was cloned in 1992, and it has a 79% and 95% homology with human and mouse EPOs, respectively. (biolegend.com)
- I confirmed the effect of erythropoietin (Epo) on red cell size in human volunteers, whose mean corpuscular volume (MCV) increases following Epo administration. (umassmed.edu)
Patients7
- Material and methods: In this prospective, observational, multicentric post marketing surveillance, adult CKD patients treated with erythropoietin were enrolled from November 2015 to December 2016 to understand their opinions about Wepox Pen TM . (scirp.org)
- A total of 230 (98.7%) patients said that they would prefer to use erythropoietin pen device for further treatment too. (scirp.org)
- Effect of erythropoietin therapy on polyneuropathy in predialytic patients. (semanticscholar.org)
- Thirty-four patients were randomized into group 1 (systemic erythropoietin), group 2 (oral steroids), and group 3 (control). (preprints.org)
- Erythropoietin to treat head and neck cancer patients with anaemia undergoing radiotherapy: randomised, double- blind, placebo-controlled trial. (edu.pl)
- Une anémie a été diagnostiquée chez 75 patients (37,5 %) en tout : 45 avaient une anémie hypochrome microcytaire, 18 une anémie normochrome normocytaire et 12 une anémie hyperchrome macrocytaire. (who.int)
- Sur les 75 patients, 41 (54,7 %) avaient une carence en fer, 14 (18,7 %) avaient une carence en folates et 14 (18,7 %) avaient une thalassémie mineure. (who.int)
Biologic1
- Erythropoietin biosimilars may be sold after a branded erythropoietin biologic product loses its patent protection. (bccresearch.com)
Rs16176401
- The Erythropoietin Promoter Variant rs1617640 Is Not Associated with Severe Retinopathy of Prematurity, Independent of Treatment with Erythropoietin. (bvsalud.org)
Therapy2
- Candidates for erythropoietin replacement therapy can be found with its aid. (ultalabtests.com)
- Impact of erythropoietin on sustained virological response to peginterferon and ribavirin therapy for HCV infection: a systematic review and meta-analysis. (bvsalud.org)
Gene2
- JAK2 V617F is known to activate some signaling pathways not normally activated in mature erythroblasts, but there has been no systematic study of signal transduction pathways or gene expression in erythroid cells expressing JAK2 V617F undergoing erythropoietin (Epo)-dependent terminal differentiation. (elsevier.com)
- Regulation of the erythropoietin gene. (ox.ac.uk)
Darbepoetin1
- In-depth testing done at the trainers' request determined in December that the four horses were negative for the performance-enhancing drugs erythropoietin or darbepoetin. (wordpress.com)
Apoptosis2
- Although erythropoietin was demonstrated to have neuroprotective effects in neurodegenerative diseases, the effects of EPO on glucose‐evoked oxidative stress and apoptosis of SCs remain unknown. (semanticscholar.org)
- It has been recently demonstrated that erythropoietin (EPO) attenuates apoptosis of ganglion cells. (egms.de)
Oxygen1
- The kidneys' capacity to manufacture erythropoietin and the oxygen saturation level determine how much of it is released. (ultalabtests.com)
20161
- 2016. https://www.hopkinsguides.com/hopkins/view/Johns_Hopkins_HIV_Guide/545068/all/Erythropoietin. (hopkinsguides.com)
Antibody3
- The microtiter plate provided in this kit has been pre-coated with an antibody specific to Erythropoietin (EPO). (uscnk.com)
- Standards or samples are then added to the appropriate microtiter plate wells with a biotin-conjugated antibody specific to Erythropoietin (EPO). (uscnk.com)
- After TMB substrate solution is added, only those wells that contain Erythropoietin (EPO), biotin-conjugated antibody and enzyme-conjugated Avidin will exhibit a change in color. (uscnk.com)
Bone2
- Datta, Asoke G. (1987) Effect of erythropoietin on the glucose transport of rat erythrocytes and bone marrow cells Biochemical Medicine and Metabolic Biology, 38 (2). (ias.ac.in)
- Rarely, polycythemia is brought on by the bone marrow condition polycythemia vera rather than by an excess of erythropoietin. (ultalabtests.com)
20203
- More specifically, the erythropoietin biologics segment is expected to decline at a five-year (2015-2020) CAGR of −4.1% to $5.3 billion in 2020. (bccresearch.com)
- The erythropoietin biosimilars segment is expected to grow at a five-year CAGR of 23.2% to reach $2 billion in 2020. (bccresearch.com)
- The Asia-Pacific region is predicted to account for one-third of the global erythropoietin biosimilars market by 2020. (bccresearch.com)
Effect4
- Erythropoietin has only a minor protective effect on survival of SGC. (egms.de)
- Pakravan, M. The Effect of Systemic Erythropoietin and Oral prednisolone on Recent-Onset Non-Arteritic Anterior Ischemic Optic Neuropathy: A Randomized Clinical Trial. (preprints.org)
- To evaluate the effect of systemic erythropoietin, as well as oral steroids, in the management of recent onset non-arteritic anterior ischemic optic neuropathy (NAION). (preprints.org)
- Effect of Intravenous Methylprednisolone and Intravenous Erythropoietin in Toxic Optic Neuropathies: Randomized Clinical Trial. (who.int)
Assay3
- This assay has high sensitivity and excellent specificity for detection of Erythropoietin (EPO). (uscnk.com)
- Intra-assay Precision (Precision within an assay): 3 samples with low, middle and high level Erythropoietin (EPO) were tested 20 times on one plate, respectively. (uscnk.com)
- Inter-assay Precision (Precision between assays): 3 samples with low, middle and high level Erythropoietin (EPO) were tested on 3 different plates, 8 replicates in each plate. (uscnk.com)
Response6
- So if one looked at them, one's got duplicate, triplicate examples over time, the first observation was totally surprising to me, that, that age and haemoglobin are independent variables for erythropoietin response. (webofstories.com)
- And then if you start to draw erythropoietin response curves at different haemoglobin levels, they seem to be age dependent. (webofstories.com)
- So if you've got five grams of haemoglobin at the age of two years, on average your erythropoietin response will be much higher than if you've got five grams of haemoglobin at five years, and that's the thing that's just seen the light of day in the PNAS. (webofstories.com)
- Inhibition of this response to erythropoietin by pertussis toxin suggests involvement of guanine nucleotide-binding regulatory proteins (G-proteins). (elsevier.com)
- Transducin βγ, but not α, subunits eliminated the calcium response to erythropoietin, demonstrating the primary role of the α subunit. (elsevier.com)
- This was confirmed by the ability of microinjected recombinant myristoylated Giα2, but not Giα1 or Giα3 subunits, to reconstitute the response of pertussis toxin-treated erythroblasts to erythropoietin. (elsevier.com)
Cells3
- This is the first report on the use of microinjection to study erythropoietin signal transduction in normal precursor cells. (elsevier.com)
- These data directly demonstrate a physiologic function of G- proteins in hematopoietic cells and show that Giα2 is required in erythropoietin modulation of [Ca(i)] via influx through calcium channels. (elsevier.com)
- Erythropoietin activates cell survival pathways in breast cancer stem-like cells to protect them from chemotherapy. (edu.pl)
Anemic1
- However, if a person has damaged kidneys and does not produce enough erythropoietin, too few RBCs are created and the person usually becomes anemic. (ultalabtests.com)
Levels2
- Erythropoietin levels in the blood are determined by this test. (ultalabtests.com)
- What causes erythropoietin levels to vary? (blood-academy.com)
India1
- The anticipated entry of biosimilars in the US market and an increasing demand for erythropoietin biosimilars, particularly in developing countries such as India and China, will drive this growth. (bccresearch.com)
Blood1
- What does an Erythropoietin blood test check for? (ultalabtests.com)
Products1
- BCC Research projects that over the next five years, the global market for erythropoietin biosimilars will continue to enjoy healthy gains while the global market for erythropoietin biologics (i.e., patented products) will shrink substantially. (bccresearch.com)
Survival1
- The erythropoietin receptor (EpoR) is essential for erythroblast survival, but its other functions are not well characterized. (umassmed.edu)