Abstract:
:Chimpanzees are naturally and asymptomatically infected by simian immunodeficiency virus (SIV). Pathogenic properties of SIV/HIV vary and differences in susceptibility and pathogenicity of SIV/HIV depend in part on host-specific factors such as virus-receptor/co-receptor interactions. Since CD4 plays a primary role in virus binding and since SIVcpz have been found only in two African chimpanzee subspecies, we characterized the genetic diversity of CD4 receptors in all four recognized subspecies of chimpanzees. We found noticeable variation in the first variable region V1 of CD4 and in intron six among the subspecies of chimpanzees. We found the CD4 receptor to be conserved in individuals belonging to the P. t. verus subspecies and divergent from the other three subspecies, which harbored highly variable CD4 receptors. The CD4 receptor of chimpanzees differed from that of humans. We question whether the observed diversity can explain the species-specific differences in susceptibility to and pathogenicity of SIV/HIV.
journal_name
Genomicsjournal_title
Genomicsauthors
Hvilsom C,Carlsen F,Siegismund HR,Corbet S,Nerrienet E,Fomsgaard Adoi
10.1016/j.ygeno.2008.07.003subject
Has Abstractpub_date
2008-11-01 00:00:00pages
322-8issue
5eissn
0888-7543issn
1089-8646pii
S0888-7543(08)00167-5journal_volume
92pub_type
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