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CCR5-Δ2, CCR2-641, mutants in two chemokine receptors and SDF1-3’ A, mutant in a ligand gene, can delay AIDS pathogenesis. The distribution of the three polymorphic loci was studied in 1 046 DNA samples from 26 provinces (cities) in China. No CCR5-Δ32 was observed. CCR2-64I and SDF1-3’ A had reverse distribution cline from south to north in China, with average frequency of 20.8% and 24.8% respectively. Relative hazard was evaluated. Important information to the epidemiology of AIDS and the origin and spread of these polymorphic loci in Chinese was provided.
CCR5-Δ2, CCR2-641, mutants in two chemokine receptors and SDF1-3 ’A, mutant in a ligand gene, can delay AIDS virus pathogenesis. The distribution of the three polymorphic loci was studied in 1 046 DNA samples from 26 provinces (cities CCR2-64I and SDF1-3 ’A had reverse distribution cline from south to north in China, with average frequency of 20.8% and 24.8% respectively. Relative hazard was evaluated. Important information to the epidemiology of AIDS and the origin and spread of these polymorphic loci in Chinese was provided.