نتایج جستجو برای: cystathionine β synthase
تعداد نتایج: 257912 فیلتر نتایج به سال:
The contents of the sulfur amino acids, and the activities of cystathionine beta-synthase and cystathionine gamma-lyase were measured in various regions of the brain and several other tissues in both normal mice and rolling mice Nagoya. The cystathionine content and cystathionine beta-synthase activity were found to be unevenly distributed in various regions of the brain in both normal mice and...
Hepatic cystathionine beta-synthase activity was increased in rats fed a high-protein diet for three or five days as compared to rats given laboratory chow (day 0). In the low-protein diet group, the enzyme activity decreased after both feeding periods. Similar changes in the cystathionine beta-synthase mRNA levels were observed in the rats fed these diets. The changes in cystathionine beta-syn...
The catalytic potential for H(2)S biogenesis and homocysteine clearance converge at the active site of cystathionine β-synthase (CBS), a pyridoxal phosphate-dependent enzyme. CBS catalyzes β-replacement reactions of either serine or cysteine by homocysteine to give cystathionine and water or H(2)S, respectively. In this study, high-resolution structures of the full-length enzyme from Drosophila...
objective(s): this study was undertaken to investigate the protective effects of vitamin b6, cofactor for cystathionine-γ lyase and cystathionine-β synthase (producers of h2s), alone and in combination with l-cysteine, h2s precursor, on indomethacin-, and ethanol-induced gastric lesions in male nmri mice. materials and methods: fasted male nmri mice were randomly assigned into 12 groups (7 in ...
UNLABELLED Cystathionine β-synthase (CBS) catalyzes metabolic reactions that convert homocysteine to cystathionine. To assess the role of CBS in human glioma, cells were stably transfected with lentiviral vectors encoding shRNA targeting CBS or a nontargeting control shRNA, and subclones were injected into immunodeficient mice. Interestingly, decreased CBS expression did not affect proliferatio...
Introduction: Thyroid hormones are involved in the regulation of hydrogen sulfide (H2S) biosynthesis. The aim of this study is to determine effects of thyrotoxicosis on H2S levels and mRNA expression of cystathionine-β-synthase (CBS), cystathionine-γ-lyase (CSE) and 3-mercaptopyruvate sulfurtransferase (3-MST) in the adipose tissue of rat. Materials and Methods: Male rats were divided into the ...
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