نتایج جستجو برای: catabolism
تعداد نتایج: 14331 فیلتر نتایج به سال:
Cellular purine nucleotides derive mainly from de novo synthesis or nucleic acid turnover and, only marginally, dietary intake. They are subjected to catabolism, eventually forming uric in humans, while bases and nucleosides may be converted back through the salvage pathways. Inborn errors of pathway catabolism have been described by several researchers usually referred as rare diseases. Since ...
Endothelium-derived nitric oxide (NO) plays an important role in the regulation of vascular tone. Lack of NO bioavailability can result in cardiovascular disease. NO bioavailability is determined by its rates of generation and catabolism; however, it is not known how the NO catabolism rate is regulated in the vascular wall under normoxic, hypoxic, and anaerobic conditions. To investigate NO cat...
Cisplatin-induced nephrotoxicity limits its use in many cancer patients. The expression of enzymes involved in polyamine catabolism, spermidine/spermine N1-acetyltransferase (SSAT) and spermine oxidase (SMOX) increase in the kidneys of mice treated with cisplatin. We hypothesized that enhanced polyamine catabolism contributes to tissue damage in cisplatin acute kidney injury (AKI). Using gene k...
Both synthetic and catabolic processes determine the serum gamma-globulin level. The rate of gamma-globulin synthesis appears to be the primary factor determining the amount of serum gamma-globulin. Increase of gamma-globulin synthesis (as may occur following immunization or development of plasma cell tumor) elevates the serum gamma-globulin level. This, in turn, accelerates the fractional rate...
Choline is abundant in association with eukaryotes and plays roles in osmoprotection, thermoprotection, and membrane biosynthesis in many bacteria. Aerobic catabolism of choline is widespread among soil proteobacteria, particularly those associated with eukaryotes. Catabolism of choline as a carbon, nitrogen, and/or energy source may play important roles in association with eukaryotes, includin...
1. Folate deficiency is commonly found in alcoholic subjects although the causative mechanism is uncertain. It has been suggested that microsomal enzyme induction resulting from chronic alcohol ingestion might accelerate the rate of folate catabolism thus causing deficiency. 2. By using an experimental animal model to determine the rate of catabolism of [3H]pteroylglutamate (folic acid) by the ...
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