Buthionine Sulfoximine
A synthetic amino acid that depletes glutathione by irreversibly inhibiting gamma-glutamylcysteine synthetase. Inhibition of this enzyme is a critical step in glutathione biosynthesis. It has been shown to inhibit the proliferative response in human T-lymphocytes and inhibit macrophage activation. (J Biol Chem 1995;270(33):1945-7)
Glutathione
Glutamate-Cysteine Ligase
Antimetabolites
Acetylcysteine
Glutathione Synthase
Glutathione Disulfide
Cystine
Oxidative Stress
Pyrrolidonecarboxylic Acid
Glutathione Reductase
Cell Survival
Oxidation-Reduction
A chemical reaction in which an electron is transferred from one molecule to another. The electron-donating molecule is the reducing agent or reductant; the electron-accepting molecule is the oxidizing agent or oxidant. Reducing and oxidizing agents function as conjugate reductant-oxidant pairs or redox pairs (Lehninger, Principles of Biochemistry, 1982, p471).
Drug Resistance
Diminished or failed response of an organism, disease or tissue to the intended effectiveness of a chemical or drug. It should be differentiated from DRUG TOLERANCE which is the progressive diminution of the susceptibility of a human or animal to the effects of a drug, as a result of continued administration.
Diamide
Melphalan
Antioxidants
Reactive Oxygen Species
Molecules or ions formed by the incomplete one-electron reduction of oxygen. These reactive oxygen intermediates include SINGLET OXYGEN; SUPEROXIDES; PEROXIDES; HYDROXYL RADICAL; and HYPOCHLOROUS ACID. They contribute to the microbicidal activity of PHAGOCYTES, regulation of signal transduction and gene expression, and the oxidative damage to NUCLEIC ACIDS; PROTEINS; and LIPIDS.
gamma-Glutamyltransferase
Hydrogen Peroxide
Glutathione Peroxidase
Oxidants
Enzyme Inhibitors
Glutathione Transferase
Glutamate-Ammonia Ligase
Tumor Cells, Cultured
Catalase
Dose-Response Relationship, Drug
Cells, Cultured
Liver
Apoptosis
One of the mechanisms by which CELL DEATH occurs (compare with NECROSIS and AUTOPHAGOCYTOSIS). Apoptosis is the mechanism responsible for the physiological deletion of cells and appears to be intrinsically programmed. It is characterized by distinctive morphologic changes in the nucleus and cytoplasm, chromatin cleavage at regularly spaced sites, and the endonucleolytic cleavage of genomic DNA; (DNA FRAGMENTATION); at internucleosomal sites. This mode of cell death serves as a balance to mitosis in regulating the size of animal tissues and in mediating pathologic processes associated with tumor growth.
Leydig Cells
Testosterone
A potent androgenic steroid and major product secreted by the LEYDIG CELLS of the TESTIS. Its production is stimulated by LUTEINIZING HORMONE from the PITUITARY GLAND. In turn, testosterone exerts feedback control of the pituitary LH and FSH secretion. Depending on the tissues, testosterone can be further converted to DIHYDROTESTOSTERONE or ESTRADIOL.
Steroids
A group of polycyclic compounds closely related biochemically to TERPENES. They include cholesterol, numerous hormones, precursors of certain vitamins, bile acids, alcohols (STEROLS), and certain natural drugs and poisons. Steroids have a common nucleus, a fused, reduced 17-carbon atom ring system, cyclopentanoperhydrophenanthrene. Most steroids also have two methyl groups and an aliphatic side-chain attached to the nucleus. (From Hawley's Condensed Chemical Dictionary, 11th ed)
Leydig Cell Tumor
Gonadal interstitial or stromal cell neoplasm composed of only LEYDIG CELLS. These tumors may produce one or more of the steroid hormones such as ANDROGENS; ESTROGENS; and CORTICOSTEROIDS. Clinical symptoms include testicular swelling, GYNECOMASTIA, sexual precocity in children, or virilization (VIRILISM) in females.
Influence of glutathione levels and heat-shock on the steady-state levels of oxidative DNA base modifications in mammalian cells. (1/573)
The effects of thiols, ascorbic acid and thermal stress on the basal (steady-state) levels of oxidative DNA base modifications were studied. In various types of untreated cultured mammalian cells, the levels of total glutathione were found to be inversely correlated with the levels of DNA base modifications sensitive to the repair endonuclease Fpg protein, which include 8-hydroxyguanine (8-oxoG). A depletion of glutathione by treatment with buthionine sulphoximine increased the steady-state level in AS52 Chinese hamster cells by approximately 50%. However, additional thiols in the culture medium did not reduce the level of Fpg-sensitive base modifications: 0-10 mM N-acetylcysteine had no effect, whereas cysteine ethylester even increased the oxidative DNA damage at concentrations >0.1 mM. Similarly, ascorbic acid (0-20 mM) failed to reduce the steady-state levels. When AS52 cells were grown at elevated temperature (41 degrees C), the steady-state level of the oxidative DNA modifications increased by 40%, in spite of a concomitant 1.6-fold increase of the cellular level of total glutathione. Depletion of glutathione at 41 degrees C nearly doubled the already elevated level of oxidative damage. A constitutive expression of the heat-shock protein Hsp27 in L929 mouse fibrosarcoma cells at 37 degrees C increased the glutathione level by 60%, but had little effect on the level of oxidative DNA damage. (+info)Role of antioxidant defenses against ethanol-induced damage in cultured rat gastric epithelial cells. (2/573)
Reactive oxygen species appears to be involved in the pathogenesis of ethanol-induced gastric mucosal injury in vivo. Because ingested ethanol diffuses into the gastric mucosa, targeting both epithelium and endothelium, in the present study we examined the possible protective effect of antioxidants on ethanol damage in gastric epithelial cells and endothelial cells in vitro. Cytotoxicity by ethanol was quantified by measuring 51Cr release. The effects of impairment of the glutathione redox cycle and of inhibition of cellular catalase were examined. The generation of superoxide was assessed by the reduction in cytochrome c. Ethanol caused a time- and dose-dependent increase in 51Cr release from epithelial cells. Incubation of cells with DL-buthionine-(S,R)-sulfoximine, while reducing glutathione production, dose dependently enhanced ethanol-induced injury. 1,3-Bis(chloroethyl)-nitrosourea, while inhibiting glutathione reductase activity, also sensitized cells to ethanol. In contrast, the inhibition of catalase with 3-amino-1,2, 4-triazole did not alter the susceptibility of epithelial cells to ethanol. Ethanol induced damage to endothelial cells in a similar fashion. In endothelial cells, however, neither impairment of the glutathione cycle nor inhibition of catalase influenced ethanol-induced damage. Epithelial cells, when exposed to ethanol, increased superoxide production as a function of ethanol concentration, whereas endothelial cells did not. The glutathione redox cycle, but not cellular catalase, plays a critical role in protecting epithelial cells against ethanol damage, whereas neither antioxidant seems to play a role in protection of endothelial cells. The distinct difference in antioxidant protection against ethanol appears to depend on the capability of each cell to produce cytotoxic oxygen species in response to ethanol exposure. (+info)Involvement of N-acetylcysteine-sensitive pathways in ricin-induced apoptotic cell death in U937 cells. (3/573)
We have found that the antioxidant N-acetylcysteine (NAC) strongly inhibited ricin-induced apoptotic cell death in U937 cells (human myeloid leukemia), as judged by cytotoxicity, nuclear morphological change, and DNA fragmentation. Consistent with these observations, a significant depletion of cellular glutathione was observed in ricin-treated cells, and NAC prevented the decrease in cellular glutathione. On the other hand, among the caspase inhibitors tested, Z-Asp-CH2-DCB, which inhibited ricin cytotoxicity, also suppressed ricin-mediated glutathione depletion, while NAC did not affect the generation of caspase-3 like activity in ricin-treated cells. These results suggest that glutathione loss takes place downstream from caspase activation during the ricin-induced apoptotic process. Treatment with a specific inhibitor of glutathione biosynthesis, buthionine sulfoximine (BSO) failed to induce apoptosis, and had no effect on the overall extent of ricin-induced apoptosis, even though the glutathione level was decreased to less than 5% of the control level. However, NAC still protected against ricin-induced apoptosis in the BSO-treated cells. We conclude that glutathione loss is one of several apoptotic changes caused by ricin, but is not a sufficient factor for the progress of apoptosis. NAC may prevent ricin-induced apoptosis through maintaining an intracellular reducing condition by acting as a thiol supplier. (+info)Apoptosis in hematopoietic cells (FL5.12) caused by interleukin-3 withdrawal: relationship to caspase activity and the loss of glutathione. (4/573)
The mechanism of cell death caused by cytokine deprivation remains largely unknown. FL5.12 cells (a murine prolymphocytic cell line), following interleukin-3 (IL-3) withdrawal, undergo a decrease in intracellular glutathione (GSH) that precedes the onset of apoptosis. In the present study, the induction of apoptosis following IL-3 withdrawal or GSH depletion with DL-buthionine-[S,R,]-sulfoximine (BSO) was examined. Both conditions caused time-dependent increases in phosphatidylserine externalization, acridine orange and ethidium bromide staining, decreases in mitochondrial membrane potential, processing and activation of caspase-3 and proteolysis of the endogenous caspase substrate poly(adenosine diphosphate ribose)polymerase (PARP). Apoptosis induced by IL-3 deprivation but not BSO also caused lamin B1 cleavage, suggesting activation of caspase-6. Despite a more profound depletion of GSH after BSO than withdrawal of IL-3, the extent of apoptosis was somewhat lower. Benzyloxycarbonyl-Val-Ala-Asp(OMe)fluoromethyl ketone (z-VAD.fmk) blocked this caspase activity and prevented cell death after BSO exposure but not after IL-3 deprivation. Following IL-3 withdrawal, the caspase inhibitors z-VAD.fmk and boc-asp(OMe)fluoromethylketone (boc-asp.fmk) prevented the cleavage and activation of caspase-3, the breakdown of lamin B1 and partially mitigated PARP degradation. However, the externalization of phosphatidylserine, the fall in mitochondrial membrane potential and subsequent apoptotic cell death still occurred. These results suggest that IL-3 withdrawal may mediate cell death by a mechanism independent of both caspase activation and the accompanying loss of GSH. (+info)ATP-Dependent efflux of CPT-11 and SN-38 by the multidrug resistance protein (MRP) and its inhibition by PAK-104P. (5/573)
Non-P-glycoprotein-mediated multidrug-resistant C-A120 cells that overexpressed multidrug resistance protein (MRP) were 10.8- and 29. 6-fold more resistant to 7-ethyl-10-[4-(1-piperidino)-1-piperidino]carbonyloxycamptothecin (CPT-11) and SN-38, respectively, than parental KB-3-1 cells. To see whether MRP is involved in CPT-11 and SN-38 resistance, MRP cDNA was transfected into KB-3-1 cells. The transfectant, KB/MRP, which overexpressed MRP, was resistant to both CPT-11 and SN-38. 2-[4-Diphenylmethyl)-1-piperazinyl]ethyl-5-(trans-4,6-dimethyl-1,3 , 2-dioxaphosphorinan-2-yl)-2, 6-dimethyl-4-(3-nitrophenyl)-3-pyridinecarboxylate P-oxide (PAK-104P) and MK571, which reversed drug resistance in MRP overexpressing multidrug-resistant cells, significantly increased the sensitivity of C-A120 and KB/MRP cells, but not of KB-3-1 cells, to CPT-11 and SN-38. The accumulation of both CPT-11 and SN-38 in C-A120 and KB/MRP cells was lower than that in KB-3-1 cells. The treatment with 10 microM PAK-104P increased the accumulation of CPT-11 and SN-38 in C-A120 and KB/MRP cells to a level similar to that found in KB-3-1 cells. The ATP-dependent efflux of CPT-11 and SN-38 from C-A120 and KB/MRP cells was inhibited by PAK-104P. DNA topoisomerase I expression, activity, and sensitivity to SN-38 were similar in the three cell lines. Furthermore, the conversion of CPT-11 to SN-38 in KB-3-1 and C-A120 cell lines was similar. These findings suggest that MRP transports CPT-11 and SN-38 and is involved in resistance to CPT-11 and SN-38 and that PAK-104P reverses the resistance to CPT-11 and SN-38 in tumors that overexpress MRP. (+info)Protection against hydrogen peroxide cytotoxicity in rat-1 fibroblasts provided by the oncoprotein Bcl-2: maintenance of calcium homoeostasis is secondary to the effect of Bcl-2 on cellular glutathione. (6/573)
The oncoprotein Bcl-2 protects cells against apoptosis, but the exact molecular mechanism that underlies this function has not yet been identified. Studying H2O2-induced cell injury in Rat-1 fibroblast cells, we observed that Bcl-2 had a protective effect against the increase in cytosolic calcium concentration and subsequent cell death. Furthermore, overexpression of Bcl-2 resulted in an alteration of cellular glutathione status: the total amount of cellular glutathione was increased by about 60% and the redox potential of the cellular glutathione pool was maintained in a more reduced state during H2O2 exposure compared with non-Bcl-2-expressing controls. In our cytotoxicity model, disruption of cellular glutathione homoeostasis closely correlated with the pathological elevation of cytosolic calcium concentration. Stabilization of the glutathione pool by Bcl-2, N-acetylcysteine or glucose delayed the cytosolic calcium increase and subsequent cell death, whereas depletion of glutathione by dl-buthionine-(S, R)-sulphoximine, sensitized Bcl-2-transfected cells towards cytosolic calcium increase and cell death. We therefore suggest that the protection exerted by Bcl-2 against H2O2-induced cytosolic calcium elevation and subsequent cell death is secondary to its effect on the cellular glutathione metabolism. (+info)Significance of glutathione-dependent antioxidant system in diabetes-induced embryonic malformations. (7/573)
Hyperglycemia-induced embryonic malformations may be due to an increase in radical formation and depletion of intracellular glutathione (GSH) in embryonic tissues. In the past, we have investigated the role of the glutathione-dependent antioxidant system and GSH on diabetes-related embryonic malformations. Embryos from streptozotocin-induced diabetic rats on gestational day 11 showed a significantly higher frequency of embryonic malformations (neural lesions 21.5 vs. 2.8%, P<0.001; nonneural lesions 47.4 vs. 6.4%, P<0.001) and growth retardation than those of normal mothers. The formation of intracellular reactive oxygen species (ROS), estimated by flow cytometry, was increased in isolated embryonic cells of diabetic rats on gestational day 11. The concentration of intracellular GSH in embryonic tissues of diabetic pregnant rats on day 11 was significantly lower than that of normal rats. The activity of y-glutamylcysteine synthetase (gamma-GCS), the rate-limiting GSH synthesizing enzyme, in embryos of diabetic rats was significantly low, associated with reduced expression of gamma-GCS mRNA. Administration of buthionine sulfoxamine (BSO), a specific inhibitor of gamma-GCS, to diabetic rats during the period of maximal teratogenic susceptibility (days 6-11 of gestation) reduced GSH by 46.7% and increased the frequency of neural lesions (62.1 vs. 21.5%, P<0.01) and nonneural lesions (79.3 vs. 47.4%, P<0.01). Administration of GSH ester to diabetic rats restored GSH concentration in the embryos and reduced the formation of ROS, leading to normalization of neural lesions (1.9 vs. 21.5%) and improvement in nonneural lesions (26.7 vs. 47.4%) and growth retardation. Administration of insulin in another group of pregnant rats during the same period resulted in complete normalization of neural lesions (4.3 vs. 21.5%), nonneural lesions (4.3 vs. 47.4%), and growth retardation with the restoration of GSH contents. Our results indicate that GSH depletion and impaired responsiveness of GSH-synthesizing enzyme to oxidative stress during organogenesis may have important roles in the development of embryonic malformations in diabetes. (+info)Molecular basis for hepatic detoxifying enzyme induction by 2-(allylthio)pyrazine in rats in comparison with oltipraz: effects on prooxidant production and DNA degradation. (8/573)
The expression of hepatic microsomal epoxide hydrolase (mEH) and glutathione S-transferases (GSTs) by 2-(allylthio)pyrazine (2-AP), an experimental chemopreventive agent, was investigated in rats. Northern blot analysis revealed that 2-AP caused increases in mEH, rGSTA2/3/5, and rGSTM1/2 mRNA levels. mEH and rGSTA2 proteins were also induced. Molecular basis of the enzyme induction by 2-AP was studied in comparison with oltipraz (Olt). Rats exposed to buthionine sulfoximine, a GSH-depleting agent, before treatment with either 2-AP or Olt exhibited greater increases in the mRNA levels than the individual treatment. Conversely, increases of the mRNAs were prevented by cysteine treatment, indicating that metabolic intermediates or reactive oxygens produced from the agents could be reduced by cysteine. Gel shift analysis revealed that nuclear factor-kappaB, which is associated with the altered cellular redox state, was not activated by the agents. Effects of these agents on the breakage of phix-174 DNA were compared in vitro. 2-AP effectively reduced the conversion of supercoiled DNA to the open circular form induced by benzenetriol and prevented benzenetriol- and iron-catalyzed degradation of DNA, whereas Olt failed to prevent strand breakage of DNA. These results provided evidence that: 1) 2-AP was effective in elevating the hepatic mEH and GST gene expression in rats, which might be mediated with the production of reactive oxygen species; 2) nuclear factor-kappaB activation was not involved in the induction of the detoxifying enzymes by either 2-AP or Olt in spite of their production of reactive oxygens in vivo; and 3) the antioxidant effect of 2-AP in vitro differed from that of Olt. (+info)
Effect of L-buthionine-(S,R)-sulphoximine, an inhibitor of γ-glutamylcysteine synthetase on peroxynitrite- and endotoxic shock...
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Buthionine sulfoximine
... (BSO) is a sulfoximine derivative which reduces levels of glutathione and is being investigated as an ... Buthionine sulfoximine may also be used to increase the sensitivity of parasites to oxidative antiparasitic drugs. Defty, CL; ... "Definition of buthionine sulfoximine - National Cancer Institute Drug Dictionary". 2011-02-02. v t e (Articles without KEGG ... Sulfoximines, All stub articles, Organic compound stubs). ...
Reactive oxygen species
... buthionine sulfoximine (BSO)). The result is an overall increase in endogenous ROS, which when above a cellular tolerability ...
Glutamate-cysteine ligase
"Potent and specific inhibition of glutathione synthesis by buthionine sulfoximine (S-n-butyl homocysteine sulfoximine)". J Biol ...
11-Ketoprogesterone
Piwien-Pilipuk G, Galigniana MD (2000). "Oxidative stress induced by L-buthionine-(S,R)-sulfoximine, a selective inhibitor of ...
S-Nitrosoglutathione
... inhibition of iNOS with L-NAME in isolated perfused livers and also in rat livers depleted of GSH with buthionine sulfoximine. ...
BSO
... and oxygen Buthionine sulfoximine, a chemical substance inhibiting glutathione synthesis Brain storm optimization algorithm ...
List of MeSH codes (D12.125)
... methionine sulfoximine MeSH D12.125.166.676.620.125 - buthionine sulfoximine MeSH D12.125.166.676.900 - selenomethionine MeSH ...
Experimental models of Alzheimer's disease
Buthionine sulfoximine + amyloid beta (FAB) Glutamic acid (glutamate) N-Methyl-D-aspartic acid and NMDA receptors Onos KD, Uyar ...
List of MeSH codes (D02)
... methionine sulfoximine MeSH D02.886.030.676.620.125 - buthionine sulfoximine MeSH D02.886.030.676.900 - selenomethionine MeSH ...
Index of oncology articles
... buthionine sulfoximine C cell - c-erbB-2 - c-kit - CA 19-9 assay - CA-125 - CA-125 test - cachexia - calcitonin - calcitriol - ...
Luca Shytaj
Buthionine Sulfoximine and Suppressive Antiretroviral Therapy Induce Post-Therapy Control of Viremia in Chronically SIVmac251 ...
2014 Ju-Jitsu World Championships
The 2014 Ju-Jitsu World Championship were the 12th edition of the Ju-Jitsu World Championships, and were held in Paris, France from November 28 to November 30, 2014. 28.11.2014 - Men's and Women's Fighting System, Men's and Women's Jiu-Jitsu (ne-waza), Men's Duo System - Classic 29.11.2014 - Men's and Women's Fighting System, Men's and Women's Jiu-Jitsu (ne-waza), Women's Duo System - Classic 30.11.2014 - Men's Jiu-Jitsu (ne-waza), Mixed Duo System - Classic, Team event Vincent MATCZAK (2014-09-30). "4TH INVITAION TO WORLD CHAMPIONSHIP 2014" (PDF). Retrieved 2019-11-28.[dead link] Online results Official results (PDF) Mixed team event results (PDF) (All articles with dead external links, Articles with dead external links from April 2022, Ju-Jitsu World Championships, 2014 in French sport ...
Bolley Johnson
Bolley L. "Bo" Johnson (born November 15, 1951) is an American politician from the state of Florida. A member of the Democratic Party, Johnson was a member of the Florida House of Representatives, and served as the Speaker of the Florida House of Representatives. Johnson is from Milton, Florida. His father and grandfather served as county commissioners for Santa Rosa County, Florida. Johnson graduated from Milton High School, and became the first member of his family to attend college. He received his bachelor's degree from Florida State University. Johnson volunteered for Mallory Horne when Horne served as the president of the Florida Senate. At the age of 22, Johnson met Lawton Chiles, then a member of the United States Senate, who hired him as a legislative aide in 1973. Johnson was elected to the Florida House of Representatives, representing the 4th district from November 7, 1978 to November 3, 1992. He also served the 1st district from November 3, 1992 to November 8, 1994. He became the ...
Don't Say No
... may refer to: Don't Say No (Billy Squier album), a 1981 album by American rock singer Billy Squier, and its title track Don't Say No (Seohyun EP), a 2016 extended play by South Korean pop singer Seohyun, and its title track "Don't Say No" (Tom Tom Club song), from the 1988 album Boom Boom Chi Boom Boom "Don't Say No", by Robbie Williams from the 2005 album Intensive Care "Don't Say No Tonight", a 1985 single by Eugene Wilde This disambiguation page lists articles associated with the title Don't Say No. If an internal link led you here, you may wish to change the link to point directly to the intended article. (Disambiguation pages with short descriptions, Short description is different from Wikidata, All article disambiguation pages, All disambiguation pages, Disambiguation pages ...
Dewoitine D.371
The Dewoitine 37 was the first of a family of 1930s French-built monoplane fighter aircraft. The D.37 was a single-seat aircraft of conventional configuration. Its fixed landing gear used a tailskid. The open cockpit was located slightly aft of the parasol wing. The radial engine allowed for a comparatively wide fuselage and cockpit. Design of this machine was by SAF-Avions Dewoitine but owing to over work at that companies plant at the time, manufacture of the D.37/01 was transferred to Lioré et Olivier. They were high-wing monoplanes of all-metal construction with valve head blisters on their engine cowlings. The first prototype flew in October 1931. Flight testing resulted in the need for multiple revisions in both engine and airframe, so it was February 1934 before the second prototype flew. Its performance prompted the French government to order for 28 for the Armée de l'Air and Aéronavale. The Lithuanian government ordered 14 that remained in service with their Air Force until 1936, ...
Noor-ul-Ain
The Noor-ul-Ain (Persian: نور العين, lit. 'the light of the eye') is one of the largest pink diamonds in the world, and the centre piece of the tiara of the same name. The diamond is believed to have been recovered from the mines of Golconda, Hyderabad in India. It was first in possession with the nizam Abul Hasan Qutb Shah, later it was given as a peace offering to the Mughal emperor Aurangazeb when he defeated him in a siege. It was brought into the Iranian Imperial collection after the Persian king Nader Shah Afshar looted Delhi in the 18th century.[citation needed] The Noor-ul-Ain is believed to have once formed part of an even larger gem called the Great Table diamond. That larger diamond is thought to have been cut in two, with one section becoming the Noor-ul-Ain and the other the Daria-i-Noor diamond. Both of these pieces are currently part of the Iranian Crown Jewels. The Noor-ul-Ain is the principal diamond mounted in a tiara of the same name made for Iranian Empress Farah ...
Benoist Land Tractor Type XII
The Benoist Land Tractor Type XII was one of the first enclosed cockpit, tractor configuration aircraft built. Benoist used "Model XII" to several aircraft that shared the same basic engine and wing design, but differed in fuselage and control surfaces. The Type XII was a tractor-engined conversion of the model XII headless pusher aircraft that resembled the Curtiss pusher aircraft. Demonstration pilots used Benoist aircraft to demonstrate the first parachute jumps, and the tractor configuration was considered much more suitable for the task. The first example named the "Military Plane" had a small box frame covered fuselage that left the occupants mostly exposed to the wind. The later model XII "Cross Country Plane" had a full fuselage that occupants sat inside of. The first tractor biplane used a wooden fuselage with a small seat on top. The wings were covered with a Goodyear rubberized cloth. The first model XII was built in the spring of 1912. On 1 March 1912, Albert Berry used a headless ...
Santa Cruz Barillas
... (also known as Yalmotx in Qʼanjobʼal) is a town, with a population of 17,166 (2018 census), and a municipality in the Guatemalan department of Huehuetenango. It is situated at 1450 metres above sea level. It covers a terrain of 1,174 km². The annual festival is April 29-May 4. Barillas has a tropical rainforest climate (Af) with heavy to very heavy rainfall year-round and extremely heavy rainfall from June to August. Citypopulation.de Population of departments and municipalities in Guatemala Citypopulation.de Population of cities & towns in Guatemala "Climate: Barillas". Climate-Data.org. Retrieved July 26, 2020. Muni in Spanish Website of Santa Cruz Barillas Coordinates: 15°48′05″N 91°18′45″W / 15.8014°N 91.3125°W / 15.8014; -91.3125 v t e (Articles with short description, Short description is different from Wikidata, Pages using infobox settlement with no coordinates, Articles containing Q'anjob'al-language text, Coordinates on Wikidata, ...
Maria Margaret Pollen
Maria Margaret La Primaudaye Pollen (10 April 1838 - c. 1919), known as Minnie, was a decorative arts collector. As Mrs John Hungerford Pollen, she became known during the early-twentieth century as an authority on the history of textiles, publishing Seven Centuries of Lace in 1908. Maria Margaret La Primaudaye was born into a Huguenot family on 10 April 1838, the third child of the Revd Charles John La Primaudaye, a descendant of Pierre de La Primaudaye. She was educated in Italy. Her family converted to Catholicism in 1851, and it was in Rome that her father met another recent English convert, John Hungerford Pollen, previously an Anglican priest and a decorative artist. She became engaged to Pollen, who was then seventeen years her senior, in the summer of 1854, and was married in the church of Woodchester monastery, near Stroud, Gloucester, on 18 September 1855. The Pollens initially settled in Dublin, where John Hungerford Pollen had been offered the professorship of fine arts at the ...
Ronald Fogleman
Ronald Robert Fogleman (born January 27, 1942) is a retired United States Air Force general who served as the 15th Chief of Staff of the Air Force from 1994 to 1997 and as Commanding General of the United States Transportation Command from 1992 to 1994. A 1963 graduate from the United States Air Force Academy, he holds a master's degree in military history and political science from Duke University. A command pilot and a parachutist, he amassed more than 6,800 flying hours in fighter, transport, tanker and rotary wing aircraft. He flew 315 combat missions and logged 806 hours of combat flying in fighter aircraft. Eighty of his missions during the Vietnam War were as a "Misty FAC" in the F-100F Super Sabre at Phù Cát Air Base, South Vietnam between 25 December 1968 and 23 April 1969. Fogleman was shot down in Vietnam in 1968, while piloting an F-100. He was rescued by clinging to an AH-1 Cobra attack helicopter that landed at the crash site. In early assignments he instructed student pilots, ...
Peachtree Street (song)
Peachtree Street" is a 1950 song co-written and recorded by Frank Sinatra in a duet with Rosemary Clooney. The song was released as a Columbia Records single. Frank Sinatra co-wrote the song with Leni Mason and Jimmy Saunders. Mason composed the music while Sinatra and Saunders wrote the lyrics. The song was arranged by George Siravo The song was released as an A side Columbia 10" 78 single, Catalog Number 38853, Matrix Number CO-43100-1 and as a 7" 33, 1-669. The B side was the re-issued "This Is the Night." Neither of the songs charted. The subject of the song is a stroll down the street in Atlanta, Georgia of the same name. Sinatra originally intended Dinah Shore to sing the duet with him. When Shore declined, Clooney was asked. The song was recorded on April 8, 1950. The song features spoken asides by Sinatra and Clooney. Rosemary Clooney asks: "Say, Frank, you wanna take a walk?" Frank Sinatra replies: "Sure, sweetie, just pick a street." He noted how there were no peach trees on the ...
We, Too, Have a Job to Do
... is a painting by American illustrator Norman Rockwell that depicts a Boy Scout in full uniform standing in front of a waving American flag. It was originally created by Rockwell in 1942 for the 1944 Brown & Bigelow Boy Scout Calendar. The model, Bob Hamilton, won a contest to be in the painting and personally delivered a print to the Vice President of the United States at the time, Henry A. Wallace. The painting was created to encourage Scouts to participate in the war effort during World War II. The name of the painting, We, Too, Have a Job to Do, comes from a slogan that the Boy Scouts of America used in 1942 to rally scouts to support the troops by collecting metal and planting victory gardens. The model, Bob Hamilton, won a contest with his local council in Albany, New York, to be depicted in the painting. He traveled to Rockwell's studio in Arlington, Vermont, to model for Rockwell. Since Hamilton was a scout, the uniform shown in the painting was his, unlike some ...
2021 Akkar explosion
At least 33[failed verification] people were killed by a fuel tanker explosion in Tleil, Akkar District, Lebanon on 15 August 2021. The disaster was reportedly exacerbated by the ongoing Lebanese liquidity crisis; in which the Lebanese pound has plummeted and fuel has been in short supply. The survivors were evacuated by the Lebanese Red Cross. An investigation is underway. The fuel tanker had been confiscated by the Lebanese Armed Forces from black marketeers, the fuel was then distributed/taken by the locals. The son of the man whose land the fuel tanker was located on, was later arrested, accused of deliberately causing the explosion. Agencies (2021-08-15). "At least 20 killed and 79 injured in fuel tank explosion in Lebanon". the Guardian. Retrieved 2021-08-15. "Lebanon fuel explosion kills 22 and injures dozens more". The Independent. 2021-08-15. Archived from the original on 2021-08-15. Retrieved 2021-08-15. "Lebanon: At least 20 dead and dozens injured after fuel tank explodes as ...
Straubing Tigers
The Straubing Tigers are a professional men's ice hockey team, based in Straubing, Germany, that competes in the Deutsche Eishockey Liga. Straubing plays its home games at the Eisstadion am Pulverturm, which has a capacity of 5,800 spectators. Promoted to the DEL in 2006, and operating with one of the league's smallest budgets, the team could finish no better than twelfth before the 2011-12 DEL season, when it reached the semi-finals of the playoffs. Their greatest success so far is the qualification for the season 2020-21 of the Champions Hockey League. In 1941, the then 14-year-old Max Pielmaier and his friends Max Pellkofer and Harry Poiger founded the first hockey team in Straubing. The first official game took place on the first of February 1942 in Hof and was lost by a score of 0:1. In the following year there were several games against other Bavarian teams. The game against Landshut on 31 January. 1943 was the last game during the second World War, because the young players also had to ...
Leina, Saare County
Leina is a village in Saaremaa Parish, Saare County in western Estonia. Before the administrative reform in 2017, the village was in Pihtla Parish. "Lisa. Asustusüksuste nimistu" (PDF). haldusreform.fin.ee (in Estonian). Rahandusministeerium. Retrieved 5 December 2017. "Saaremaa külad endiste valdade piires". www.saaremaa.ee (in Estonian). Archived from the original on 3 December 2017. Retrieved 5 December 2017. Coordinates: 58°17′10″N 22°46′26″E / 58.28611°N 22.77389°E / 58.28611; 22.77389 v t e (CS1 Estonian-language sources (et), Articles with short description, Short description is different from Wikidata, Pages using infobox settlement with no map, Pages using infobox settlement with no coordinates, Saaremaa Parish, Coordinates on Wikidata, Villages in Saare County, All stub articles, Saare County geography stubs ...
Sestiere
A sestiere (plural: sestieri) is a subdivision of certain Italian towns and cities. The word is from sesto ('sixth'), so it is thus used only for towns divided into six districts. The best-known example is the sestieri of Venice, but Ascoli Piceno, Genoa, Milan and Rapallo, for example, were also divided into sestieri. The medieval Lordship of Negroponte, on the island of Euboea, was also at times divided into six districts, each with a separate ruler, through the arbitration of Venice, which were known as sestieri. The island of Crete, a Venetian colony (the "Kingdom of Candia") from the Fourth Crusade, was also divided into six parts, named after the sestieri of Venice herself, while the capital Candia retained the status of a comune of Venice. The island of Burano north of Venice is also subdivided into sestieri. A variation of the word is occasionally found: the comune of Leonessa, for example, is divided into sesti or sixths. Other Italian towns with fewer than six official districts are ...
Island Image
The Island Image is a Chesapeake Bay log canoe, built in 1885 at Elliot's Island, Maryland, by Herman Jones and Isaac Moore. She is 29'-8½" long with a beam of 5-10¼", and has a straight, raking stem and a sharp stern. It is privately owned, and races under No. 17. She one of the last 22 surviving traditional Chesapeake Bay racing log canoes that carry on a tradition of racing on the Eastern Shore of Maryland that has existed since the 1840s. She is located at Chestertown, Kent County, Maryland. She was listed on the National Register of Historic Places in 1985. "National Register Information System". National Register of Historic Places. National Park Service. April 15, 2008. "Maryland Historical Trust". ISLAND IMAGE (log canoe). Maryland Historical Trust. 2008-06-14. "Island Image #17 , CBLCSA". Island Image. Chesapeake Bay Log Sailing Canoe Association. 2010-07-24. Archived from the original on 2011-07-08. Retrieved 2010-07-29. ISLAND IMAGE (log canoe), Kent County, including photo in 1984, ...
Bord Khun Rural District
... (Persian: دهستان بردخون) is a rural district (dehestan) in the Bord Khun District of Deyr County, Bushehr Province, Iran. At the 2006 census, its population was 1,115, in 234 families. The rural district has 14 villages. "Census of the Islamic Republic of Iran, 1385 (2006)" (Excel). Statistical Center of Iran. Archived from the original on 2011-11-11. Coordinates: 27°58′N 51°32′E / 27.967°N 51.533°E / 27.967; 51.533 v t e (Articles with short description, Short description matches Wikidata, Pages using infobox settlement with no map, Pages using infobox settlement with no coordinates, Articles containing Persian-language text, Coordinates on Wikidata, Rural Districts of Bushehr Province, Deyr County, All stub articles, Deyr County geography stubs ...
Camelpox
... is a disease of camels caused by the camelpox virus (CMPV) of the family Poxviridae, subfamily Chordopoxvirinae, and the genus Orthopoxvirus. It causes skin lesions and a generalized infection. Approximately 25% of young camels that become infected will die from the disease, while infection in older camels is generally more mild. Although rare, the infection may spread to the hands of those that work closely with camels. The camelpox virus that causes camelpox is an orthopoxvirus that is very closely related to the variola virus that causes smallpox. It is a large, brick-shaped, enveloped virus that ranges in size from 265-295 nm. The viral genetic material is contained in a linear double-stranded DNA consisting of 202,182 tightly packed base pairs. The DNA is encased in the viral core. Two lateral bodies are found outside the viral core, and are believed to hold the enzymes required for viral reproduction. The camelpox virus most often affects members of family Camelidae. However, ...
Pheasant
... s (/ˈfɛzənt/ FEH-zənt) are birds of several genera within the family Phasianidae in the order Galliformes. Although they can be found all over the world in introduced (and captive) populations, the pheasant genera native range is restricted to Eurasia. The classification "pheasant" is paraphyletic, as birds referred to as pheasants are included within both the subfamilies Phasianinae and Pavoninae, and in many cases are more closely related to smaller phasianids, grouse, and turkey (formerly classified in Perdicinae, Tetraoninae, and Meleagridinae) than to other pheasants. Pheasants are characterised by strong sexual dimorphism, males being highly decorated with bright colours and adornments such as wattles. Males are usually larger than females and have longer tails. Males play no part in rearing the young. A pheasants call or cry can be recognised due to the fact it sounds like a rusty sink or valve being turned. Pheasants eat mostly seeds, grains, roots, and berries, while in the ...
L -Buthionine-sulfoximine = 97 TLC 83730-53-4
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IJMS | Free Full-Text | Glutathione Plays a Positive Role in the Proliferation of Pinus koraiensis Embryogenic Cells
Exogenous glutathione and its synthase inhibitor L-buthionine-sulfoximine treatment assay demonstrated the positive role of ... 2.5.3. Validation of the Effect of Exogenous GSH and L-Buthionine-Sulfoximine (BSO) on the EC Proliferation Rate of F and S ... Exogenous glutathione and its synthase inhibitor L-buthionine-sulfoximine treatment assay demonstrated the positive role of ...
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Curcumin Protects Human Umbilical Vein Endothelial Cells against H2O2-Induced Cell Injury
Effect of glutathione depletion on Leydig cell steroidogenesis in young and old Brown Norway rats<...
Incubation of Leydig cells isolated from the testes of adult Brown Norway rats with buthionine sulfoximine (BSO) reduced GSH ... Incubation of Leydig cells isolated from the testes of adult Brown Norway rats with buthionine sulfoximine (BSO) reduced GSH ... Incubation of Leydig cells isolated from the testes of adult Brown Norway rats with buthionine sulfoximine (BSO) reduced GSH ... Incubation of Leydig cells isolated from the testes of adult Brown Norway rats with buthionine sulfoximine (BSO) reduced GSH ...
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Modulation of GSH was performed with intraperitoneal buthionine sulfoximine (BSO). In parallel, BSO-modulated and nonmodulated ... Modulation of GSH was performed with intraperitoneal buthionine sulfoximine (BSO). In parallel, BSO-modulated and nonmodulated ... Modulation of GSH was performed with intraperitoneal buthionine sulfoximine (BSO). In parallel, BSO-modulated and nonmodulated ... Modulation of GSH was performed with intraperitoneal buthionine sulfoximine (BSO). In parallel, BSO-modulated and nonmodulated ...
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use BUTHIONINE SULFOXIMINE (NM) to search BUTHIONINE SULFOXIMINE 1980-96. History Note:. 97: was BUTHIONINE SULFOXIMINE (NM) ... Methionine Sulfoximine (1979-1996). Public MeSH Note:. 97; BUTHIONINE SULFOXIMINE was indexed under METHIONINE SULFOXIMINE 1979 ... Buthionine Sulfoximine - Preferred Concept UI. M0028777. Scope note. A synthetic amino acid that depletes glutathione by ... Buthionine sulfoximine Entry term(s):. Sulfoximine, Buthionine. Tree number(s):. D02.886.030.676.620.125. D12.125.166.676. ...
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L-buthionine sulfoximine (BSO; an inhibitor of GSH synthesis) slightly enhanced growth inhibition and death in GA-treated lung ... Buthionine sulfoximine (BSO; an inhibitor of GSH synthesis), showing a pro-apoptotic effect on AMA-treated HUVEC, significantly ... L-Buthionine-SR-sulfoximine treatment exerted an additive toxic effect on the CP-treated animals. Interestingly, pretreatment ... We have shown that the protective effect of E2 in the face of l-buthionine (S,R)-sulfoximine -induced oxidative stress is ...
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EFFECT OF SUB-TOXIC CONCENTRATIONS OF MEAT METABOLITES ON COLON CANCER CELL GROWTH AND OXIDATIVE STRESS | Scriptieprijs
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Treatment with buthionine2
- These effects were enhanced when cellular reduced glutathione (GSH) levels were lowered by treatment with buthionine sulfoximine (BSO). (unboundmedicine.com)
- Cisplatin resistance in these cells correlated with increases in the antioxidant glutathione, yet treatment with buthionine sulphoximine, an inhibitor of glutathione synthesis, had no effect on resistance, suggesting that the increase in glutathione was not directly involved in cisplatin resistance. (dcu.ie)
Inhibitor4
- In this way, it has been shown that buthionine sulfoximine, an inhibitor of GSH synthesis, exerts an inhibitory effect on L. donovani growth [1]. (who.int)
- DL-Buthionine-(S,R)-sulfoximine is a potent inhibitor of glutamylcysteine synthetase biosynthesis . (abmole.com)
- GSH depletion by buthionine sulfoximine, a potent inhibitor of its synthesis, reflected in a significant decrease of the NSs accumulation, and consequently resulted in a drastic reduction of RV-mediated toxic effects in cancer cells. (unito.it)
- Effects of a variety of modulating agents on the pattern of resistance, such as the GSH depleter, buthionine sulphoximine, and the GST inhibitor, ethacrynic acid, were determined. (silverchair.com)
Reduction of intracellular2
- Buthionine sulfoximine (BSO) - mediated reduction of intracellular levels of GSH decreased the ability of the hybrid line WALC to process HEL. (vcu.edu)
- We observed cadmium-induced dose- as well as time-dependent decline in HLECs viability which was exacerbated significantly upon reduction of intracellular glutathione levels by buthionine sulfoximine (BSO). (umn.edu)
Glutathione synthesis1
- Oral supplementation of l-buthionine-(S,R)-sulfoximine (BSO) inhibited glutathione synthesis. (cdc.gov)
Ethyl ester1
- The cell susceptibility to Cd2+ was increased by depletion of glutathione (GSH) with DL-buthionine-[S,R]- sulfoximine, and decreased by N-acetyl-cysteine or glutathione reduced ethyl ester. (edu.au)
Acid2
- 1. Lockhart B, Jones C, Cuisinier C, Villain N, Peyroulan D, Lestage P. Inhibition of L-homocysteic acid and buthionine sulphoximine-mediated neurotoxicity in rat embryonic neuronal cultures with alpha-lipoic acid enantiomers. (smartskincare.com)
- 2. Maitra I, Serbinova E, Tritschler HJ, Packer L. Stereospecific effects of R-lipoic acid on buthionine sulfoximine-induced cataract formation in newborn rats. (smartskincare.com)
Effect1
- Meer bepaald verhoogt het eten van veel rood en verwerkt vlees het risico met 20% en 30% respectievelijk, terwijl wit vlees zoals kip geen negatief effect blijkt te hebben. (scriptiebank.be)
Synthesis10
- Buthionine sulfoximine (BSO), a specific inhibitor of GSH synthesis, effectively decreases cellular GSH concentrations both in vitro and in vivo. (usda.gov)
- Oral supplementation of l-buthionine-(S,R)-sulfoximine (BSO) inhibited glutathione synthesis. (cdc.gov)
- In this way, it has been shown that buthionine sulfoximine, an inhibitor of GSH synthesis, exerts an inhibitory effect on L. donovani growth [1]. (who.int)
- After incubation with buthionine sulfoximine, a specific inhibitor of GSH synthesis, prior to oxidant exposure, the same increase in GSSG and GSH in the mucosa was seen. (elsevier.com)
- Furthermore, the protective effects of 6a were abrogated by the inhibitor of glutathione synthesis, buthionine sulfoximine, confirming the importance of glutathione in the protective activities of 6a . (biomedcentral.com)
- Moreover, compared to the cysteine treatment, the γ-glutamylcysteine synthetase (γ-GCS) activity, GSH level, mitochondrial membrane potential, ATP level, membrane integrity and progressive motility in boar sperm were decreased by supplementing with an inhibitor of GSH synthesis, buthionine sulfoximine. (animbiosci.org)
- The glutathione synthesis inhibitor buthionine sulfoximine ablated the protective effect of metformin significantly. (ablkinase.com)
- Conversely, co-exposure to the GSH synthesis inhibitors, buthionine sulfoximine (BSO) and diethyl maleate (DEM), increased the sensitivity of zebrafish to C60 exposure. (oregonstate.edu)
- In of L. major infections [ 5 ] and, secondly, this way, it has been shown that buthionine that prostaglandins can inhibit the develop- sulfoximine, an inhibitor of GSH synthesis, ment of Th1 response and enhance the exerts an inhibitory effect on L. donovani development of type 2 helper (Th2) cell growth [ 1 ]. (who.int)
- In order to modulate GSH levels of K-562 cells , buthionine sulfoximine (BSO) , an inhibitor of GSH synthesis , and GSH ethyl esters were incubated with the cells . (musc.edu)
Specific inhibitor1
- Furthermore, the effect of GSH on root patterning and drought tolerance was confirmed by growing the atgstu17 in solution containing l-buthionine-(S,R)-sulfoximine, a specific inhibitor of GSH biosynthesis. (nih.gov)
Inhibits1
- However, opposite data were also reported: overexpression of peroxide-scavenging enzyme, GPx1, enhances production of HIV virions , whereas treatment of such cells with buthionine sulfoximine (BSO) that inhibits glutathione biosynthesis inhibits such increase [158]. (thefreedictionary.com)
Biosynthesis2
- Cellular thiol concentrations had been changed either by a particular method using buthionine sulfoximine, a particular inhibitor of glutathione biosynthesis or with a nonspecific way, incubating cells in cystine-methionine deficient media. (cox2-inhibitor.com)
- Both D,L buthionine-S,R-sulfoximine (BSO) and ethacrynic acid (EA), inhibitors of GSH biosynthesis and pi-class GST activity, respectively, could sensitize the ES-2R cells to MRA-CN. (elsevier.com)
Pretreatment2
- In vivo production of different chloroform metabolites: effect of phenobarbital and buthionine sulfoximine pretreatment. (nih.gov)
- A comparative study of the toxicity of chemically reactive xenobiotics towards adherent cell cultures: selective attenuation of menadione toxicity by buthionine sulphoximine pretreatment. (childrensmercy.org)
RATS3
- Carey's dissertation involved preliminary studies of the effects of NACA to slow down cataract growth on rats that had been given L-buthionine-S,R-sulfoximine (BSO), a solution that causes cataracts to form. (mst.edu)
- Six rats received a proxidant solution of 50 mg/kg doses of both L-buthionine sulfoximine and hydroquinone. (inquiriesjournal.com)
- Alpha-lipoic journal placenta prevents buthionine sulfoximine-induced cataract formation in newborn rats. (instapicto.top)
Oxidative1
- zinc l-carnosine protects ccd-18co cells from l-buthionine sulfoximine-induced oxidative stress via the induction of metallothionein and superoxide dismutase 1 expression. (ukm.my)
Toxicity2
- By using F2-isoprostane quantitation, we examined the effects of selenium deficiency and modulation of glutathione status with 1,3-bis (2-chloroethyl)-1-nitrosourea, phorone or buthionine sulfoximine on diquat-induced toxicity and lipid peroxidation. (nih.gov)
- 10. Long-term buthionine-sulfoximine-mediated toxicity in cultured hepatoma cell lines. (nih.gov)
Tumor1
- These tumor types is the base of the fluid shifts, medications, and it is less often en bloc with the prostaglandin analogs, beta-adrenergic blocking agents. (smartfin.org)
Cells4
- Monoethyl (MEE) and diethyl (DEE) esters of glutathione (GSH) had the capacity to provide some protection of normal and buthionine sulfoximine (BSO) pretreated cells against X-irradiation. (semanticscholar.org)
- Metabolic modifications to cells had been identified as comes after: glycolysis via a lactate dehydrogenase assay, reducing equivalents by MTT decrease and decreased intracellular thiols by monobromobimane-thiol fluorescence, and glutathione exhaustion using buthionine sulfoximine. (ablkinase.com)
- The glutathione activity inhibitor buthionine sulfoximine (BSO) considerably reverses this defensive impact, credit reporting the function of decreased glutathione in cisplatin cleansing by metformin-treated cells. (ablkinase.com)
- Cells only treated with either buthionine sulfoximine or cystine-methionine deficient media did not induce protein S-glutathionylation, even though both conditions decreased 65% of cellular glutathione. (cox2-inhibitor.com)
Tolerance1
- Buthionine Sulfoximine (BSO) Reduces Chilling Tolerance of a Chilling Tolerant Maize Genotype. (unibe.ch)
Hydrogen1
- When L-buthionine-[S,R]-sulfoximine (BSO) was administered to increase the intracellular concentration of hydrogen peroxide, the PEs of both cell lines decreased, and when hydrogen peroxide was eliminated by the administration of sodium pyruvate, only the PE of SaOS2FM(H) increased. (elsevier.com)
Resistance2
- Chemoselection of human prostate cancer cell lines PC3 and DU145 with etoposide resulted in the resistant cell lines PC3-R and DU-R. Resistance against etoposide, doxorubicin and vincristine, and its reversal with leukotriene D4 antagonists MK-571 and zafirlukast, and buthionine sulfoximine (BSO), was assessed using tetrazolium-dye viability assays. (nih.gov)
- Buthionine sulfoximine reduced resistance to these drugs. (aspetjournals.org)
Cellular1
- One method for decreasing cellular glutathione is to ingest or inject a synthetic compound, buthionine sulfoximine (BSO). (usda.gov)
Significantly1
- Buthionine sulfoximine (BSO) at 25µM dramatically depleted GSH and significantly potentiated acrolein-induced cytotoxicity. (uncg.edu)
Drug1
- A drug called L-Buthionine sulfoximine was deployed, thereby allowing glutamine to be used up. (healthrealsolutions.com)
Protection1
- When studied using Buthionine Sulphoximine (BSO), a known GSH inhibitor, in the presence of acrolein CDDO-IM treatment no longer induces such remarkable protection. (uncg.edu)
Effects1
- such vaccination pro- initial preclinical studies against hormone-refractory pc buthionine sulfoximine, have been prostol, 890 mcg, is 98% successful in over 30% in those insignificant effects on sperm capacitation and transport. (smartfin.org)