COEXISTENCE OF HUMAN T-LYMPHOTROPIC VIRUS TYPE-I AND TYPE-II AMONG THE WAYUU INDIANS FROM THE GUAJIRA REGION OF COLOMBIA

被引:45
作者
DUENASBARAJAS, E [1 ]
BERNAL, JE [1 ]
VAUGHT, DR [1 ]
BRICENO, I [1 ]
DURAN, C [1 ]
YANAGIHARA, R [1 ]
GAJDUSEK, DC [1 ]
机构
[1] PONTIFICIA UNIV JAVERIANA,INST GENET,BOGOTA,COLOMBIA
关键词
D O I
10.1089/aid.1992.8.1851
中图分类号
R392 [医学免疫学]; Q939.91 [免疫学];
学科分类号
100102 ;
摘要
High prevalences of human T-lymphotropic virus type II (HTLV-II) infection have been found recently among certain Amerindian groups in North, Central, and South America. To determine if the Amerindians of Colombia are similarly affected, 523 sera, collected between 1987 and 1990 from nine culturally distinct Indian groups from widely separated regions, were tested for IgG antibodies against HTLV-I/II using enzyme-linked immunosorbent assay (ELISA) and Western blot. In addition, 243 sera from five non-Indian (black) and mixed-Indian (mestizo) populations were studied. Of the 766 individuals tested, 44 were ELISA positive, but of these, only four were Western blot positive. Three of the individuals confirmed positive by Western blot were infected with HTLV-II and one was infected with HTLV-I, as determined by differential ELISA. All four seropositive individuals belonged to a group of 62 Wayuu Indians, giving overall HTLV-I and HTLV-II seroprevalences of 1.6% and 4.8%, respectively. The coexistence of HTLV-I and HTLV-II in this Amerindian group provides an opportunity to study the factors governing transmission of these retroviruses.
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页码:1851 / 1855
页数:5
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