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HIV阳性者联合感染C型GB病毒的生物学意义

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摘要 C型GB病毒(GBV—C)为黄病毒族成员,基因组为单股正链RNA。对受血者、肝炎病人、移植受者和各种临床疾病进行的大量研究未证实GBV—C与人类急慢性肝炎或其它疾病有关,但对HIV感染者中GBV—C致病性的研究取得了令人惊奇的结果。在HIV阳性者中,GBV—C感染者比未感染者的死亡率低或临床后果改善;GBV—C与HIV阳性者生存时间的延长、CIN细胞降低的延迟和更低的HIVRNA水平有关。GBV—C通过诱导细胞因子、下调HIV辅助受体、影响细胞因子谱和对宿主淋巴细胞的其它未确定影响来抑制HIV,从而影响HIV疾病。但GBV—C病毒血症对HIV阳性者的保护作用仍有争论,与GBV—C和HIV相互作用有关的许多问题还不清楚,这些都有待于进一步研究。
作者 杨朝国
出处 《国际病毒学杂志》 2008年第1期32-32,F0003,F0004,共3页 International Journal of Virology
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参考文献12

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