نتایج جستجو برای: cystathionine β synthase
تعداد نتایج: 257912 فیلتر نتایج به سال:
BACKGROUND The cystathionine β-synthase (CBS) gene, located on human chromosome 21q22.3, is a good candidate for playing a role in the Down Syndrome (DS) cognitive profile: it is overexpressed in the brain of individuals with DS, and it encodes a key enzyme of sulfur-containing amino acid (SAA) metabolism, a pathway important for several brain physiological processes. METHODOLOGY/PRINCIPAL FI...
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 ...
BACKGROUND AND PURPOSE Hydrogen sulfide (H₂S) is a signalling molecule that belongs to the gasotransmitter family. Two major sources for endogenous enzymatic production of H₂S are cystathionine β synthase (CBS) and cystathionine γ lyase (CSE). In the present study, we examined the selectivity of commonly used pharmacological inhibitors of H₂S biosynthesis towards CSE and CBS. EXPERIMENTAL APP...
The contribution of cystathionine gamma-lyase, cystathionine beta-synthase and cysteine aminotransferase coupled to 3-mercaptopyruvate sulphurtransferase to cysteine desulphhydration in rat liver and kidney was assessed with four different assay systems. Cystathionine gamma-lyase and cystathionine beta-synthase were active when homogenates were incubated with 280 mM-L-cysteine and 3 mM-pyridoxa...
BACKGROUND Hydrogen sulfide (H2S) has recently been shown to play an important role in the digestive system, but the role of endogenous H2S produced locally in the gallbladder is unknown. The aim of this study was to investigate whether gallbladder possesses the enzymatic machinery to synthesize H2S, and whether H2S synthesis is changed in gallbladder inflammation during acute acalculous cholec...
Background: Oral squamous cell carcinoma is a major cause of cancer-related deaths world-wide. Histologically it arises from the benign squamous epithelium lining the oral cavity and is conventionally divided into well, moderate, and poorly differentiated subtypes. Nicotinamide phosphoribosyltransferase catalyses the rate-limiting step of nicotinamide adenine dinucleotide synthesis and is highl...
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