RECOGNITION OF HUMAN-IMMUNODEFICIENCY-VIRUS GLYCOPROTEINS BY NATURAL ANTI-CARBOHYDRATE ANTIBODIES IN HUMAN SERUM

被引:18
作者
TOMIYAMA, T [1 ]
LAKE, D [1 ]
MASUHO, Y [1 ]
HERSH, EM [1 ]
机构
[1] UNIV ARIZONA, ARIZONA CANC CTR, HEMATOL & ONCOL SECT, TUCSON, AZ 85724 USA
关键词
D O I
10.1016/0006-291X(91)91979-M
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
Anti-carbohydrate antibodies were isolated from Human immunodeficiency virus (HIV) negative human serum by affinity chromatography using yeast mannan followed by protein A. The purified mannan-binding IgG (MBIgG) bound to HIV glycoproteins gp160, gp120 and gp41 in Western blot. Immunofluorescence revealed that MBIgG bound to HIV IIIB-infected H9 cells but not to uninfected H9 cells, suggesting that carbohydrate structures recognized by MBIgG are specifically expressed on HIV-infected cells. MBIgG did not neutralize infectivity of HIV. These results show that normal human serum contains natural antibodies reactive to carbohydrate structures of HIV glycoproteins propagated in human cells. © 1991.
引用
收藏
页码:279 / 285
页数:7
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