期刊
AMERICAN JOURNAL OF REPRODUCTIVE IMMUNOLOGY
卷 59, 期 1, 页码 27-34出版社
WILEY
DOI: 10.1111/j.1600-0897.2007.00561.x
关键词
AIDS; defensin; innate immunity; mucosa; retrocyclin; vagina
资金
- NIAID NIH HHS [AI052017, AI060753, AI065430] Funding Source: Medline
- NATIONAL INSTITUTE OF ALLERGY AND INFECTIOUS DISEASES [R56AI052017, R01AI060753, R01AI052017, U19AI065430] Funding Source: NIH RePORTER
Mucosal surfaces of the cervix and vagina are portals for heterosexual transmission of human immunodeficiency virus type 1 (HIV-1) and, therefore, play a fundamental role in the pathogenesis of primary infection. Cationic antimicrobial polypeptides including defensins are the principal effector molecules of mucosal innate immunity against microbes and viruses such as HIV. In cervicovaginal secretions, antimicrobial polypeptides constitute the majority of the intrinsic anti-HIV-1 activity, synergism between cationic polypeptides is complex, and full anti-HIV-1 activity involves the complete complement of cationic polypeptides. Periods in which cationic antimicrobial polypeptide expression is reduced are likely associated with increased susceptibility to HIV-1 infection. This review provides an overview of the role of cationic antimicrobial polypeptides in innate cervicovaginal anti-HIV-1 host defense, and discusses how hormones and bacterial infections can regulate their expression. Emphasis is placed on the theta-defensin (retrocyclin) class of anti-HIV-1 peptides and their potential for development as topical microbicides to prevent HIV-1 transmission.
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