منابع مشابه
a tripartite model of efl teachers attributions, burnout, and self-regulation: towards the prospects of effective teaching
همطالعه حاضر به ارائه مدلی برای آموزش موثر زبان انگلیسی می پردازد. مدل حاضر از سه عامل تاثیر گذار در کارایی تدریس معلمان زبان انگلیسی بهره می برد. این سه عامل شامل سبکهای اسنادی، خود تنطیمی و فرسودگی شغلی معلمان ایرانی زبان انگلیسی می باشد. رساله مورد نظر درچهار فاز طراحی شده است: فاز اول شامل طراحی و رواسازی پرسشنامه سبکهای اسنادی معلمان زبان انگلیسی و فاز دوم شامل استفاده از این پرسشنا...
Regulation of gluconeogenesis and lipogenesis. The regulation of mitochondrial pyruvate metabolism in guinea-pig liver synthesizing precursors for gluconeogenesis.
1. The carboxylation of pyruvate to oxaloacetate by pyruvate carboxylase in guinea-pig liver mitochondria was determined by measuring the amount of (14)C from H(14)CO(3) (-) fixed into organic acids in the presence of pyruvate, ATP, Mg(2+) and P(i). The main products of pyruvate carboxylation were malate, fumarate and citrate. Pyruvate utilization, metabolite formation and incorporation of (14)...
متن کاملIntramitochondrial loci for the hormonal regulation of hepatic gluconeogenesis.
When the mechanisms by which hormones acutely stimulate hepatic gluconeogenesis began to be studied intensely about 20 years ago, the earliest hypotheses of action centred on the mitochondria1 segment of the gluconeogenic pathway. I t was proposed that hormones may accelerate the pyruvate carboxylase reaction by an activation of the carboxylase enzyme through an increase in intramitochondrial a...
متن کاملA Site of Regulation of Hepatic Gluconeogenesis by Glucagon*
The effect of glucagon on the rate of gluconeogenesis from substrates not involving pathways of mitochondrial metabolism has been investigated in isolated rat liver cells. From estimation of the rates of glucose formation, glucose phosphorylation, fructose 6-phosphate phosphorylation, fructose 1,6diphosphate dephosphorylation, and lactate and pyruvate formation, it is concluded that glucagon st...
متن کاملNovel concepts in insulin regulation of hepatic gluconeogenesis.
The regulation of hepatic gluconeogenesis is an important process in the adjustment of the blood glucose level, and pathological changes in the glucose production of the liver are a central characteristic in type 2 diabetes. The pharmacological intervention in signaling events that regulate the expression of the key gluconeogenic enzymes phosphoenolpyruvate carboxykinase (PEPCK) and the catalyt...
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ژورنال
عنوان ژورنال: Journal of Biological Chemistry
سال: 1970
ISSN: 0021-9258
DOI: 10.1016/s0021-9258(18)63338-1