CHARACTERIZATION OF A NOVEL BINDING-SITE FOR THE HUMAN-IMMUNODEFICIENCY-VIRUS TYPE-1 ENVELOPE PROTEIN GP120 ON HUMAN FETAL ASTROCYTES

被引:71
|
作者
MA, MH
GEIGER, JD
NATH, A
机构
[1] UNIV MANITOBA,DEPT MED MICROBIOL,WINNIPEG R3E 0W3,MB,CANADA
[2] UNIV MANITOBA,DEPT PHARMACOL & THERAPEUT,WINNIPEG R3E 0W3,MB,CANADA
[3] UNIV MANITOBA,DEPT INTERNAL MED,NEUROL SECT,WINNIPEG R3E 0W3,MB,CANADA
关键词
D O I
10.1128/JVI.68.10.6824-6828.1994
中图分类号
Q93 [微生物学];
学科分类号
071005 ; 100705 ;
摘要
I-125-labeled recombinant gp120 bound to primary cultures of human fetal astrocytes,vith a single class of 260-kDa binding sites, with a K-d of 26 nM and maximal number of binding sites of 29.9 fmol/4 x 10(4) cells. Neither CD4 nor galactocerebroside was detectable on astrocytes, and I-125-labeled recombinant gp120 binding to astrocytes was not blocked by antibodies against galactocerebroside or the gp120 binding domain of CD4.
引用
收藏
页码:6824 / 6828
页数:5
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