PMID- 22883001 OWN - NLM STAT- MEDLINE DCOM- 20130320 LR - 20221207 IS - 0376-2491 (Print) IS - 0376-2491 (Linking) VI - 92 IP - 17 DP - 2012 May 8 TI - [Association between amino acid mutations in Gag protein and human leukocyte antigen class I alleles in human immunodeficiency virus-1 B' infected Han Chinese people]. PG - 1159-64 AB - OBJECTIVE: To explore the human leukocyte antigen (HLA)-associated mutations in Gag protein of B' clade (human immunodeficiency virus-1) HIV-1 infected Han Chinese people and evaluate the impact of HLA associated Gag mutations on the disease progression of HIV infection. METHODS: A total of 95 B' clade HIV-1 infected Han Chinese cases were recruited. The gag sequences were amplified from viral RNA and sequenced directly. HLA-I genotypes were detected with the assay of polymerase chain reaction-sequence specific primer (PCR-SSP). HLA-associated mutations were identified and the relationships between HLA-associated mutations and CD4+ T cell counts or plasma viral loads analyzed. RESULTS: Forty-seven kinds of mutations at 28 sites (15, 18, 26, 30, 34, 46, 62, 67, 81, 84, 90, 102, 118, 121, 122, 125, 146, 147, 173, 176, 252, 357, 374, 376, 437, 470, 471, 478) of Gag protein were significantly associated with particular HLA class I allelotypes (P < 0.05). Among which, 9 sites (26, 30, 81, 84, 125, 146, 147, 357, 437) were located within 13 known cytotoxic T-lymphocyte (CTL) epitopes or flanking regions. The number of HLA-associated mutations was significantly associated with both CD4 T cell counts (r = -0.318, P = 0.002) and viral loads (r = 0.360, P = 0.003). CONCLUSION: HLA-associated mutations may have a significant impact on HIV disease progression in B' clade HIV-1 infected Han Chinese population. FAU - Han, Xiao-xu AU - Han XX AD - Key Laboratory of AIDS Immunology of Ministry of Health, Department of Laboratory Medicine, First Hospital, China Medical University, Shenyang 110001, China. FAU - Zhang, Hui AU - Zhang H FAU - Zhao, Bin AU - Zhao B FAU - Chen, Ou AU - Chen O FAU - Zhang, Cheng AU - Zhang C FAU - Ji, Yang-tao AU - Ji YT FAU - Zhang, Zi-ning AU - Zhang ZN FAU - Cui, Wei-guo AU - Cui WG FAU - Liu, Bao-gui AU - Liu BG FAU - Duan, Song AU - Duan S FAU - Shang, Hong AU - Shang H LA - chi PT - Journal Article PT - Research Support, U.S. Gov't, Non-P.H.S. PL - China TA - Zhonghua Yi Xue Za Zhi JT - Zhonghua yi xue za zhi JID - 7511141 RN - 0 (RNA, Viral) RN - 0 (gag Gene Products, Human Immunodeficiency Virus) SB - IM MH - Acquired Immunodeficiency Syndrome/*genetics/*virology MH - Adult MH - Aged MH - Alleles MH - Asian People/genetics MH - Female MH - *Genes, MHC Class I MH - HIV-1/*genetics MH - Humans MH - Male MH - Middle Aged MH - Molecular Sequence Data MH - Mutation MH - RNA, Viral MH - Viral Load MH - Young Adult MH - gag Gene Products, Human Immunodeficiency Virus/*genetics EDAT- 2012/08/14 06:00 MHDA- 2013/03/21 06:00 CRDT- 2012/08/14 06:00 PHST- 2012/08/14 06:00 [entrez] PHST- 2012/08/14 06:00 [pubmed] PHST- 2013/03/21 06:00 [medline] PST - ppublish SO - Zhonghua Yi Xue Za Zhi. 2012 May 8;92(17):1159-64.