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豚鼠胎儿肝脏线粒体合成磷酸烯醇丙酮酸

Phosphoenolpyruvate synthesis by fetal guinea-pig liver mitochondria.

作者信息

Parameswaran M, Arinze I J

出版信息

Biochim Biophys Acta. 1981 Jan 21;672(2):219-23. doi: 10.1016/0304-4165(81)90396-2.

DOI:10.1016/0304-4165(81)90396-2
PMID:7225415
Abstract

Liver mitochondria isolated from fetal and newborn guinea pigs synthesized phosphoenolpyruvate at 4-6 nmol/min per mg protein with 2 mM malate, succinate, and alpha-ketoglutarate as substrates. These rates were 90-110% of that by adult liver mitochondria and were not substantially altered in the second half of gestation or within 24 h after birth. Both palmitoyl- and octanoylcarnitine were inhibitory to phosphoenolpyruvate synthesis in adult and fetal preparations, but free octanoate was inhibitory only in adult liver mitochondria.

摘要

从胎儿和新生豚鼠分离出的肝脏线粒体,以2 mM苹果酸、琥珀酸和α-酮戊二酸作为底物时,每毫克蛋白质合成磷酸烯醇丙酮酸的速率为4 - 6 nmol/分钟。这些速率是成年肝脏线粒体的90 - 110%,在妊娠后半期或出生后24小时内没有显著变化。棕榈酰肉碱和辛酰肉碱对成年和胎儿制剂中的磷酸烯醇丙酮酸合成均有抑制作用,但游离辛酸仅对成年肝脏线粒体有抑制作用。

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1
Phosphoenolpyruvate synthesis by fetal guinea-pig liver mitochondria.豚鼠胎儿肝脏线粒体合成磷酸烯醇丙酮酸
Biochim Biophys Acta. 1981 Jan 21;672(2):219-23. doi: 10.1016/0304-4165(81)90396-2.
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Control of phosphoenolpyruvate synthesis in guinea-pig mitochondria.豚鼠线粒体中磷酸烯醇丙酮酸合成的调控
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[Redox state of free nicotinamide coenzymes and phosphoenolpyruvate synthesis in rat and guinea pig liver].[大鼠和豚鼠肝脏中游离烟酰胺辅酶的氧化还原状态与磷酸烯醇丙酮酸的合成]
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Regulation of gluconeogenesis and lipogenesis. The regulation of mitochondrial pyruvate metabolism in guinea-pig liver synthesizing precursors for gluconeogenesis.糖异生和脂肪生成的调节。豚鼠肝脏中线粒体丙酮酸代谢的调节,该肝脏正在合成糖异生前体。
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引用本文的文献

1
Development of fatty acid oxidation in neonatal guinea-pig liver.新生豚鼠肝脏中脂肪酸氧化的发育
Biochem J. 1982 Dec 15;208(3):723-30. doi: 10.1042/bj2080723.