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  • Title: [Heterogeneity of HIV strains isolated from different tissues of 3 AIDS patients].
    Author: Zhang CY, Jiang Y, Xing H, Feng Y, Pan PL, Fan XJ, Zhang H, Liu DG, Shao YM.
    Journal: Zhonghua Shi Yan He Lin Chuang Bing Du Xue Za Zhi; 2003 Mar; 17(1):58-61. PubMed ID: 12870021.
    Abstract:
    BACKGROUND: To reveal the characteristics of genotype and phenotype of HIV strains in blood and some tissues of AIDS patients. METHODS: The virus was isolated from peripheral blood mononuclear cell (PBMC),cerebrospinal fluid (CSF)and lymph nodes of 3 AIDS patients by coculture with PBMC stimulated by PHA for 72 hours from uninfected donor. The cytopathic effect of the HIV isolates was determined in cultured MT2 cell line. The env gene sequences form proviral DNA were analyzed by GCG software. RESULTS: In one patient,there were differences between the strains from blood and different tissues both in genotype and phenotype. The biological phenotypes of two strains from CSF were non syncytium (NSI) type, their env sequences were similar to standard CNS tropic strain (SF162). CONCLUSIONS: The viral heterogeneity exists in different body compartments within an infected individual. The neurotropic isolate which is similar to international standard strain exists in some AIDS patients in China.
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