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使用氯四环素(CTC)作为荧光探针研究β-内啡肽与膜结合钙的相互作用。

Studies on beta-endorphin and membrane-bound calcium interaction using chlorotetracycline (CTC) as a fluorescence probe.

作者信息

Chakrabarti A K, Chatterjee T K, Ghosh J J

出版信息

Peptides. 1983 May-Jun;4(3):273-6. doi: 10.1016/0196-9781(83)90131-6.

DOI:10.1016/0196-9781(83)90131-6
PMID:6314290
Abstract

Studies on the in vitro interaction of beta-endorphin with different biomembrane preparations, measured in terms of Ca2+ induced chlorotetracycline (CTC) fluorescence alterations indicate that beta-endorphin causes release of calcium ion from both synaptosomal and erythrocyte membrane stores but not from rat brain mitochondria. It seems that the binding pattern or interaction of beta-endorphin with synaptosomes and erythrocytes are characteristically different from that of mitochondria, indicating some functional significance of this differential interaction.

摘要

关于β-内啡肽与不同生物膜制剂的体外相互作用的研究,以Ca2+诱导的氯四环素(CTC)荧光变化来衡量,结果表明β-内啡肽可导致钙离子从突触体和红细胞膜储存库中释放,但不能从大鼠脑线粒体中释放。似乎β-内啡肽与突触体和红细胞的结合模式或相互作用与线粒体的显著不同,表明这种差异相互作用具有一定的功能意义。

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