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草酸盐对大鼠肝细胞三羧酸循环速率的影响。

Influence of oxalate on the rate of the tricarboxylic acid cycle in rat hepatocytes.

作者信息

Buc H A, Augereau C, Demaugre F, Moncion A, Leroux J P

出版信息

Biochim Biophys Acta. 1983 Sep 22;763(2):220-3. doi: 10.1016/0167-4889(83)90048-4.

DOI:10.1016/0167-4889(83)90048-4
PMID:6615892
Abstract

In hepatocytes isolated from fed rats, physiological concentrations of oxalate lower the flux through the tricarboxylic acid cycle (-48%) and reduce the steady-state levels of oxaloacetate and other Krebs cycle intermediates. All the metabolic modifications observed are explained by pyruvate carboxylase inhibition, since oxalate hardly modifies the flux through pyruvate dehydrogenase.

摘要

在从喂食后的大鼠分离出的肝细胞中,生理浓度的草酸盐会降低三羧酸循环的通量(降低48%),并降低草酰乙酸和其他三羧酸循环中间产物的稳态水平。观察到的所有代谢变化都可以通过丙酮酸羧化酶的抑制来解释,因为草酸盐几乎不会改变丙酮酸脱氢酶的通量。

相似文献

1
Influence of oxalate on the rate of the tricarboxylic acid cycle in rat hepatocytes.草酸盐对大鼠肝细胞三羧酸循环速率的影响。
Biochim Biophys Acta. 1983 Sep 22;763(2):220-3. doi: 10.1016/0167-4889(83)90048-4.
2
Metabolic consequences of pyruvate kinase inhibition by oxalate in intact rat hepatocytes.草酸盐对完整大鼠肝细胞中丙酮酸激酶抑制作用的代谢后果。
Biochimie. 1981 Jul;63(7):595-602. doi: 10.1016/s0300-9084(81)80057-0.
3
Effects of oxalate and dichloroacetate on lipogenesis and ketogenesis in rat hepatocytes.草酸盐和二氯乙酸盐对大鼠肝细胞脂肪生成和酮体生成的影响。
Biochem Biophys Res Commun. 1982 Feb 11;104(3):1107-13. doi: 10.1016/0006-291x(82)91364-x.
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Comparison of the effects of 2-chloropropionate and dichloroacetate on ketogenesis and lipogenesis in isolated rat hepatocytes.2-氯丙酸酯和二氯乙酸对分离的大鼠肝细胞生酮作用和脂肪生成作用的效果比较。
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The effect of oxalate on gluconeogenesis by isolated chicken hepatocytes. Increased sensitivity to inhibition as a result of biotin deficiency.
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The interaction of glycolysis, gluconeogenesis and the tricarboxylic acid cycle in rat liver in vivo.大鼠肝脏中糖酵解、糖异生和三羧酸循环在体内的相互作用。
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Effect of dexamethasone on gluconeogenesis, pyruvate kinase, pyruvate carboxylase and pyruvate dehydrogenase flux in isolated hepatocytes.地塞米松对分离的肝细胞中糖异生、丙酮酸激酶、丙酮酸羧化酶和丙酮酸脱氢酶通量的影响。
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[14C]bicarbonate fixation into glucose and other metabolites in the liver of the starved rat under halothane anaesthesia. Metabolic channelling of mitochondrial oxaloacetate.在氟烷麻醉下饥饿大鼠肝脏中[14C]碳酸氢盐向葡萄糖及其他代谢产物的固定。线粒体草酰乙酸的代谢通道。
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Characterization of oxalate as a catabolite of dichloroacetate responsible for the inhibition of gluconeogenesis and pyruvate carboxylation in rat liver cells.草酸盐作为二氯乙酸的一种分解代谢产物的特性,该分解代谢产物负责抑制大鼠肝细胞中的糖异生和丙酮酸羧化作用。
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The effects of oxalate and glucose on lipogenesis by isolated hepatocytes from normal and biotin-deficient chicks (Gallus domesticus).草酸盐和葡萄糖对正常及生物素缺乏雏鸡(家鸡)分离肝细胞脂肪生成的影响。
Int J Biochem. 1984;16(5):517-21. doi: 10.1016/0020-711x(84)90169-1.

引用本文的文献

1
Inhibitors of Pyruvate Carboxylase.丙酮酸羧化酶抑制剂
Open Enzym Inhib J. 2010;3:8-26. doi: 10.2174/1874940201003010008.
2
Influence of oleate oxidation on pyruvate production and utilization in hepatocytes isolated from fed rats. Effect of 2-[5-(4-chlorophenyl)pentyl]oxiran-2-carboxylate.油酸氧化对从喂食大鼠分离的肝细胞中丙酮酸生成和利用的影响。2-[5-(4-氯苯基)戊基]环氧乙烷-2-羧酸盐的作用。
Biochem J. 1984 Sep 1;222(2):343-50. doi: 10.1042/bj2220343.
3
The mechanism by which adenosine decreases gluconeogenesis from lactate in isolated rat hepatocytes.
腺苷降低离体大鼠肝细胞中乳酸糖异生作用的机制。
Biochem J. 1987 Sep 1;246(2):449-54. doi: 10.1042/bj2460449.