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促肿瘤佛波酯对肝脏中间代谢的急性影响。

Acute effects of tumor-promoting phorbol esters on hepatic intermediary metabolism.

作者信息

Vaartjes W J, de Haas C G

出版信息

Biochem Biophys Res Commun. 1985 Jun 28;129(3):721-6. doi: 10.1016/0006-291x(85)91951-5.

DOI:10.1016/0006-291x(85)91951-5
PMID:4015651
Abstract

In hepatocytes isolated from meal-fed rats, phorbol 12-myristate 13-acetate as well as phorbol 12,13-didecanoate stimulated de novo fatty acid synthesis in a dose-dependent manner. Moreover, phorbol 12-myristate 13-acetate inhibited ketogenesis from exogenous oleate, but slightly enhanced oleate esterification. The stimulation of esterification was more pronounced with endogenously synthesized fatty acids. In hepatocytes from 24h-starved rats a moderate stimulation of gluconeogenesis and ureogenesis was observed with glutamine as substrate. It is concluded that tumor-promoting phorbol esters mimic the short-term effects of insulin on hepatic fatty acid metabolism.

摘要

在从进食后大鼠分离出的肝细胞中,佛波醇12 - 肉豆蔻酸酯13 - 乙酸酯以及佛波醇12,13 - 二十二烷酸酯以剂量依赖的方式刺激脂肪酸从头合成。此外,佛波醇12 - 肉豆蔻酸酯13 - 乙酸酯抑制外源性油酸的生酮作用,但略微增强油酸酯化。内源性合成脂肪酸的酯化刺激更为明显。在以谷氨酰胺为底物的24小时饥饿大鼠的肝细胞中,观察到糖异生和尿素生成有适度刺激。结论是,促肿瘤佛波醇酯模拟胰岛素对肝脏脂肪酸代谢的短期作用。

相似文献

1
Acute effects of tumor-promoting phorbol esters on hepatic intermediary metabolism.促肿瘤佛波酯对肝脏中间代谢的急性影响。
Biochem Biophys Res Commun. 1985 Jun 28;129(3):721-6. doi: 10.1016/0006-291x(85)91951-5.
2
Stimulation of fatty acid synthesis by 4 beta-phorbol-12-myristate-13-acetate in isolated rat hepatocytes.4-β-佛波醇-12-肉豆蔻酸酯-13-乙酸酯对分离的大鼠肝细胞中脂肪酸合成的刺激作用。
Lipids. 1986 May;21(5):366-7. doi: 10.1007/BF02535703.
3
Effects of phorbol esters on alpha 1-adrenergic-mediated and glucagon-mediated actions in isolated rat hepatocytes.佛波酯对离体大鼠肝细胞中α1-肾上腺素能介导及胰高血糖素介导作用的影响。
Biochem J. 1985 May 15;228(1):277-80. doi: 10.1042/bj2280277.
4
Modification of glycogen synthase activity in isolated rat hepatocytes by tumor-promoting phorbol esters: evidence for differential regulation of glycogen synthase and phosphorylase.肿瘤促进剂佛波酯对离体大鼠肝细胞中糖原合酶活性的修饰:糖原合酶与磷酸化酶差异调节的证据
Proc Natl Acad Sci U S A. 1983 Dec;80(23):7170-2. doi: 10.1073/pnas.80.23.7170.
5
Phorbol esters inhibit LH stimulated steroidogenesis by mouse Leydig cells in vitro.佛波酯在体外抑制小鼠睾丸间质细胞受促黄体生成素刺激后的类固醇生成。
Biochem Biophys Res Commun. 1984 Mar 30;119(3):1062-7. doi: 10.1016/0006-291x(84)90882-9.
6
Phorbol esters inhibit ammoniagenesis and gluconeogenesis in proximal tubular segments.佛波酯抑制近端肾小管节段中的氨生成和糖异生。
Am J Physiol. 1987 Jun;252(6 Pt 2):F1073-9. doi: 10.1152/ajprenal.1987.252.6.F1073.
7
Effects of phorbol esters, A23187 and vasopressin on oleate metabolism in isolated rat hepatocytes.佛波酯、A23187和血管加压素对分离的大鼠肝细胞中油酸代谢的影响。
Lipids. 1987 Jul;22(7):474-9. doi: 10.1007/BF02540362.
8
Tumour-promoting phorbol esters increase basal and inhibit insulin-stimulated lipogenesis in rat adipocytes without decreasing insulin binding.促肿瘤佛波酯可增加大鼠脂肪细胞的基础脂肪生成并抑制胰岛素刺激的脂肪生成,而不会降低胰岛素结合。
Biochem J. 1985 Jan 15;225(2):523-7. doi: 10.1042/bj2250523.
9
Dissimilar effects of 1-oleoyl-2-acetylglycerol and phorbol 12-myristate 13-acetate on fatty acid synthesis in isolated rat-liver cells.
Biochem Biophys Res Commun. 1988 Feb 29;151(1):193-200. doi: 10.1016/0006-291x(88)90578-5.
10
Phorbol esters inhibit alpha 1 adrenergic stimulation of glycogenolysis in isolated rat hepatocytes.佛波酯抑制离体大鼠肝细胞中α1肾上腺素能对糖原分解的刺激作用。
Biochem Biophys Res Commun. 1984 Mar 30;119(3):1128-33. doi: 10.1016/0006-291x(84)90892-1.

引用本文的文献

1
Insulin-mimetic actions of phorbol ester in cultured adult rat hepatocytes. Lack of phorbol-ester-elicited inhibition of the insulin signal.佛波酯在培养的成年大鼠肝细胞中的胰岛素模拟作用。缺乏佛波酯引发的对胰岛素信号的抑制作用。
Biochem J. 1993 Jan 15;289 ( Pt 2)(Pt 2):549-55. doi: 10.1042/bj2890549.
2
Stimulation of fatty acid synthesis by 4 beta-phorbol-12-myristate-13-acetate in isolated rat hepatocytes.4-β-佛波醇-12-肉豆蔻酸酯-13-乙酸酯对分离的大鼠肝细胞中脂肪酸合成的刺激作用。
Lipids. 1986 May;21(5):366-7. doi: 10.1007/BF02535703.
3
Effects of phorbol esters, A23187 and vasopressin on oleate metabolism in isolated rat hepatocytes.
佛波酯、A23187和血管加压素对分离的大鼠肝细胞中油酸代谢的影响。
Lipids. 1987 Jul;22(7):474-9. doi: 10.1007/BF02540362.