نتایج جستجو برای: glutamate dehydrogenase gdh
تعداد نتایج: 110978 فیلتر نتایج به سال:
A cDNA of bovine brain glutamate dehydrogenase (GDH) was isolated from a cDNA library by recombinant PCR. The isolated cDNA has an open-reading frame of 1677 nucleotides, which codes for 559 amino acids. The expression of the recombinant bovine brain GDH enzyme was achieved in E. coli. BL21 (DE3) by using the pET-15b expression vector containing a T7 promoter. The recombinant GDH protein was al...
The glutamine-glutamate cycle provides neurons with astrocyte-generated glutamate/γ-aminobutyric acid (GABA) and oxidizes glutamate in astrocytes, and it returns released transmitter glutamate/GABA to neurons after astrocytic uptake. This review deals primarily with the glutamate/GABA generation/oxidation, although it also shows similarity between metabolic rates in cultured astrocytes and inta...
Freshwater fish, Cyprinus carpio were exposed to acute dose of cypermethrin at 7.5 μg/L for 1, 3, 5, 7 and 9 days and sub-lethal concentrations (1.5 μg/L) for 1,7, 14, 21 and 28 days to determine the change in enzyme activity in three functionally different tissues viz., gill, liver and muscle. Cypermethrin induced alterations that are both time dependent and tissue-specific, with glutamate deh...
The influence of glutamate dehydrogenase activity on nitrogen regulation in Corynebacterium glutamicum was investigated. As shown by RNA hybridization experiments deletion of the gdh gene results in a rearrangement of nitrogen metabolism. Even when sufficiently supplied with nitrogen sources, a gdh deletion strain showed the typical nitrogen starvation response of C. glutamicum. These changes i...
We developed a quantitative histochemical assay for measurement of local glutamate concentrations in cryostat sections of rat liver. Deamination of glutamate by glutamate dehydrogenase (GDH) was coupled to the production of formazan and formazan precipitation was used for colorimetric visualization. The method was tested and validated with gelatin model sections with known glutamate concentrati...
OBJECTIVE The combination of persistent hyperammonemia and hypoketotic hypoglycemia in infancy presents a diagnostic challenge. Investigation of the possible causes and regulators of the ammonia and glucose disposal may result in a true diagnosis and predict an optimum treatment. PATIENT Since the neonatal period, a white girl had been treated for hyperammonemia and postprandial hypoglycemia ...
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