INDUCTION OF CD4+ HUMAN CYTOLYTIC T-CELLS SPECIFIC FOR HIV-INFECTED CELLS BY A GP160 SUBUNIT VACCINE

被引:177
作者
ORENTAS, RJ
HILDRETH, JEK
OBAH, E
POLYDEFKIS, M
SMITH, GE
CLEMENTS, ML
SILICIANO, RF
机构
[1] JOHNS HOPKINS UNIV,SCH MED,DEPT MED,BALTIMORE,MD 21205
[2] JOHNS HOPKINS UNIV,SCH HYG & PUBL HLTH,CTR IMMUNIZAT RES,BALTIMORE,MD 21205
关键词
D O I
10.1126/science.2190315
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
Cytolytic T lymphocyte (CTL) responses were evaluated in humans immunized with recombinant human immunodeficiency virus type 1 (HIV) envelope glycoprotein gp160. Some vaccinees had gpl60-specific CTLs that were shown by cloning to be CD4+. Although induced by exogenous antigen, most gpl60-specific CTL clones also recognized gp160 synthesized endogenously in target cells. These clones lysed autologous CD4+ T lymphoblasts infected with HIV. Of particular interest were certain vaccine-induced clones that lysed HIV-infected cells, recognized gpl60 from diverse HIV isolates, and did not participate in "innocent bystander" killing of noninfected CD4+ T cells that had bound gpl20.
引用
收藏
页码:1234 / 1237
页数:4
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