نتایج جستجو برای: adenosylmethionine
تعداد نتایج: 4473 فیلتر نتایج به سال:
BACKGROUND Vitamin B12 is indispensable for proper brain functioning and cytosolic synthesis of S-adenosylmethionine. Whether its deficiency produces effects on viability and apoptosis of neurons remains unknown. There is a particular interest in investigating these effects in Parkinson disease where Levodopa treatment is known to increase the consumption of S-adenosylmethionine. To cause depri...
Isolated vacuoles of the yeast Candida utilis did not show active transport of S-adenosylmethionine, uric acid, and several amino acids which they concentrate in vivo.
S-adenosylmethionine, known for some time to be the biological methyl donor in mammalian enzymatic transmethylation reactions (1,2), has more recently been implicated in other transalkylation reactions in bacteria and yeast (3-6). The enzyme system catalyzing the condensation of ATP and methionine to form AMe’ has been found in a variety of tissues and organisms, and has been purified from two ...
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