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兔肾髓质切片中脂质过氧化与前列腺素合成之间的相互作用。

The interaction between lipid peroxidation and prostaglandin synthesis in rabbit kidney-medulla slices.

作者信息

Fujimoto Y, Tanioka H, Keshi I, Fujita T

出版信息

Biochem J. 1983 Apr 15;212(1):167-71. doi: 10.1042/bj2120167.

Abstract

Lipid peroxidation induced by ascorbic acid and Fe2+ was inhibited by mepacrine (phospholipase A2 inhibitor) and aspirin (prostaglandin cyclo-oxygenase inhibitor) in rabbit kidney-medulla slices. Moreover, ascorbic acid and Fe2+ potentiated the inhibitory effect on prostaglandin E2 formation by mepacrine, but they had no influence on prostaglandin E2 production decreased by aspirin. Lipid peroxidation induced by ascorbic acid and Fe2+ appears to be affecting the activity of prostaglandin endoperoxide synthase. These results suggest that lipid peroxidation is connected closely with the prostaglandin-generating system, and it has the potential to modulate the turnover of arachidonic acid and prostaglandin synthesis.

摘要

在兔肾髓质切片中,阿的平(磷脂酶A2抑制剂)和阿司匹林(前列腺素环氧化酶抑制剂)可抑制由抗坏血酸和Fe2+诱导的脂质过氧化。此外,抗坏血酸和Fe2+增强了阿的平对前列腺素E2形成的抑制作用,但它们对阿司匹林降低的前列腺素E2生成没有影响。由抗坏血酸和Fe2+诱导的脂质过氧化似乎影响了前列腺素内过氧化物合酶的活性。这些结果表明,脂质过氧化与前列腺素生成系统密切相关,并且它有可能调节花生四烯酸的周转和前列腺素的合成。

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Comparison of the effects of Fe2+ and Cu2+ on prostaglandin synthesis in rabbit kidney medulla slices.
J Pharm Pharmacol. 1987 Mar;39(3):230-3. doi: 10.1111/j.2042-7158.1987.tb06256.x.

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