tricarboxylic cycle

Malate dehydrogenase ( MDH) is the key enzyme of tricarboxylic acid cycle ( TCA), which is commonly observed in living organisms.

苹果酸脱氢酶（MDH）是三羧酸循环中的一个关键酶，在生物体内普遍存在，MDH以NADH或NAD+为辅因子，催化苹果酸盐与草酰乙酸盐的相互转化。

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In this way, tracers used to study amino acid uptake, protein synthesis, DNA synthesis, cell proliferation, changes of other substrates of tricarboxylic aciol cycle metabolism, tumor hypoxia, immunological activity and receptor are expected to be new tumor imaging agent.

因此，其他一些用于研究氨基酸摄取、蛋白质合成、DNA合成、细胞增殖、三羧酸循环中其他底物的代谢改变、肿瘤乏氧性、免疫活性和受体的示踪剂有望成为新的肿瘤显像剂。

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Tricarboxylic acid ( TCA) cycle is an important way to generate ATP, which is widely distributed in the cells of animal, plant or microorganism.

在动物、植物、微生物细胞中普遍存在的三羧酸循环（TCA循环）是产生ATP的主要途径，它不仅参与糖的分解代谢，也参与蛋白质和脂肪的分解代谢。

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MtDNA mutation result in insulin deficiency by tricarboxylic acid cycle ( TCA cycle) obstruction.

线粒体基因突变可通过三羧酸循环障碍导致β细胞分泌胰岛素不足。

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All above described changes of the metabolic components indicated that restraint stress led to glycolysis 、 gluconeogenesis capacity 、 tricarboxylic acid cycle as well as the disorder of lipid metabolism disordered.

这些代谢成分的改变提示束缚应激可导致能量代谢中糖酵解、糖异生能力、三羧酸循环的改变以及肝脏脂代谢的紊乱。

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Acetyl CoA into the tricarboxylic acid cycle provides energy for metabolism of organisms.

然后乙酰辅酶A再进入三羧酸循环为生物体新陈代谢提供能源。

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At present, we consider NO released by activated macrophages can kill target cells by restraining the tricarboxylic acid cycle, electron transfer and composition of DNA in target cells.

目前认为，经激活的巨噬细胞释放的NO可以通过抑制靶细胞线粒体中三羧酸循环、电子传递和细胞DNA合成等途径，发挥杀伤靶细胞的效应。

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