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Impaired T-lymphocyte-dependent immune responses to microbial antigens in patients with HIV-1-associated persistent generalized lymphadenopathy.




 

AIDS. 1988 Aug;2(4):291-7. Unique Identifier : AIDSLINE MED/89026239

T-cell mediated and humoral responses directed to microbial antigens were investigated, at the time of the initial visit, in a group of 139 patients with HIV-1-related persistent generalized lymphadenopathy (PGL) enrolled in a longitudinal study. In vivo and in vitro cell-mediated responses to tuberculin were lower in patients than in controls. Differences were not significant for candidin and streptococcal antigen in vitro, whereas higher responses were observed in the patient group for cytomegalovirus antigen. Following immunization, a subgroup of patients did not have a significantly raised serum antitetanus antibody level, whereas in vitro lymphocyte proliferative responses to tetanus toxoid were lower than in controls. No association was found between these abnormalities and other immunological parameters, including the blood level of CD4+ lymphocytes. Lower responses to most microbial antigens were observed in patients with HIV-1-related symptoms in addition to lymphadenopathy, or the patients who progressed to AIDS in the 2 years following the study. Moreover, intravenous drug users showed higher responses than homosexual patients, possibly because of the influence of previous infections on immunological responses to microbial antigens.

Acquired Immunodeficiency Syndrome/*IMMUNOLOGY Adult Antibody Formation Antigens, Bacterial/IMMUNOLOGY Antigens, Viral/IMMUNOLOGY CD4-Positive T-Lymphocytes/*ANALYSIS Female Human HIV-1/*IMMUNOLOGY Intradermal Tests Longitudinal Studies Lymphatic Diseases/*IMMUNOLOGY *Lymphocyte Transformation Male Predictive Value of Tests Support, Non-U.S. Gov't JOURNAL ARTICLE



 




Information in this article was accurate in February 28, 1989. The state of the art may have changed since the publication date. This material is designed to support, not replace, the relationship that exists between you and your doctor. Always discuss treatment options with a doctor who specializes in treating HIV.