CHARACTERIZATION OF A PLASMA FACTOR HAVING OPIATE AND IMMUNOACTIVITY LIKE BETA-ENDORPHIN

被引:7
作者
HO, WKK
KWOK, KY
LAM, S
机构
[1] Department of Biochemistry The Chinese University of Hong Kong, Shatin, New Territories
关键词
D O I
10.1016/0006-291X(79)91816-3
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
A factor from human plasma having opiate-like activity was characterized in the present study. In addition to its ability to inhibit the binding of [3H]-methionine-enkephalin to opiate receptors, it also cross-reacted with two β-endorphin specific anti-sera. Compared with β-endorphin, the plasma factor had a shorter action on inhibiting the contraction of the guinea pig ileum. By gel-filtration chromatography, the size of this factor was intermediate between that of β-endorphin and methionine-enkephalin. © 1979.
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页码:448 / 454
页数:7
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