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T-Cell and chemokine receptor variation in South Amerindian populations
Hünemeier, Tabita; Neves, Andrei G.; Nornberg, Igor ...
American journal of human biology,
July/August 2005, Volume:
17, Issue:
4
Journal Article
Peer reviewed
The immune response of relatively small, endogamous populations is of special interest, because they may differ from those of large, ethnically diverse, urban groups. As a contribution to this area ...
of investigation, we tested 99 individuals from two Brazilian native populations for two T‐cell receptor gene segments (TCRBV3S1 and TCRBV18) and 241 subjects from eight tribes of this ethnic group in relation to the chemokine receptor CCR5Δ32 allele. Differences in TCRBV3S1 and TCRBV18 prevalences of the Amerindians in relation to European‐ and African‐derived individuals were not marked. We confirmed the absence of the CCR5Δ32 allele in most groups, its presence in the Mura and Kaingang, probably because of European gene introgression. Am. J. Hum. Biol. 17:515–518, 2005. © 2005 Wiley‐Liss, Inc.
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