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頁籤選單縮合
題 名 | Frequency of the CCR5△32 Mutant Allele in HIV-1-Positive Patients, Female Sex Workers, and a Normal Population in Taiwan=臺灣地區愛滋病人及女性性工作者其CCR5基因突變率之分析 |
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作 者 | 黎慶; 鄢搖培; 謝碧慧; 李建銘; 林瑞宜; 陳宜民; | 書刊名 | 臺灣醫學會雜誌 |
卷 期 | 96:12 1997.12[民86.12] |
頁 次 | 頁979-984 |
分類號 | 415.944 |
關鍵詞 | 臺灣地區; 愛滋病人; 女性; 性工作者; 基因突變率; CCR5; Human immunodeficiency virus type 1; AIDS; Ethnic diversity; |
語 文 | 英文(English) |
英文摘要 | A specific 32-nucleotide deletion mutant of the CCR5 gene (△ccr5), the coreceptor gene for human immunodeficiency virus type 1 (HIV-1), can effectively suppress the transmission and pathogenesis of the virus. Individuals homozygous for the △ccr5 allele resist primary macrophage-tropic HIV-1 infection, despite multiple high-risk sexual exposures. This gene deletion is relatively common among Caucasians but uncommon among Africans, Asians, and South Americans. We used polymerase chain reaction (PCR) technology to determine the frequency of the △ ccr5 allele in a Taiwanese population with diverse health status and social backgrounds. Subjects included 24 HIV-1-infected persons in the northern and southern parts of Taiwan; 131 HIV-1 high-risk, licensed female sex workers in the northern part of the island (21% of whom were aborigines); and 187 unrelated, healthy, HIV-1 negative individuals in southern Taiwan. PCR with primers encompassing the entire CCR5 gene was used to explore possible deletions at regions other than the 32- nucleotide area in the female sex workers. No ccr5 delections were detected, indicating that they are rare or absent in the Taiwanese population. This finding implies that △ ccr5 is not likely to be part of the defense against the spread of HIV-1 infection in Taiwanese. |
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