Phospholipase A2 modulation by calmodulin, prostaglandins and cyclic nucleotides.

Phospholipase A2 modulation by calmodulin, prostaglandins and cyclic nucleotides.
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DOI:
10.1016/0006-291x(83)90973-7
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发表时间:
1983-08
影响因子:
3.1
通讯作者:
N. Moskowitz;L. Shapiro;W. Schook;S. Puszkin
N. Moskowitz;L. Shapiro;W. Schook;S. Puszkin
中科院分区:
生物学4区
文献类型:
--
作者:
N. Moskowitz;L. Shapiro;W. Schook;S. Puszkin

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Ca2+ 存在下的磷脂酶 A2 受到钙调蛋白和前列腺素 F2α 的刺激。在存在或不存在钙调蛋白的情况下,前列腺素 E2、环 AMP 和环 GMP 都会抑制磷脂酶 A2。发现磷脂酶 A2 与钙调蛋白的二甲基次亚氨酸酯交联是 Ca2+ 依赖性的。这些结果表明磷脂酶 A2 直接受到许多关键细胞内调节因子的调节,并且是钙调蛋白调节酶之一。
Phospholipase A2in the presence of Ca2+was stimulated by calmodulin and by prostaglandin F2α. Prostaglandin E2, cyclic-AMP and cyclic-GMP inhibited phospholipase A2in the presence or absence of calmodulin. Dimethylsuberimidate cross-linking of phospholipase A2with calmodulin was found to be Ca2+dependent. These results indicate that phospholipase A2is directly regulated by a host of key intracellular regulators and is one of the calmodulin-regulated enzymes.