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Psychosomatic Medicine, Vol 60, Issue 6 714-722, Copyright © 1998 by American Psychosomatic Society


ORIGINAL ARTICLES

Stressful events, pessimism, natural killer cell cytotoxicity, and cytotoxic/suppressor T cells in HIV+ black women at risk for cervical cancer

DM Byrnes, MH Antoni, K Goodkin, J Efantis-Potter, D Asthana, T Simon, J Munajj, G Ironson and MA Fletcher
Department of Psychology, University of Miami, Coral Gables, Florida 33124, USA.

OBJECTIVE: This study examines whether stressful negative life events and pessimism were associated with lower natural killer cell cytotoxicity (NKCC) and T cytotoxic/suppressor cell (CD8+CD3+) percentage in black women co-infected with human immunodeficiency virus Type 1 (HIV-1) and human papillomavirus (HPV), a viral initiator of cervical cancer. METHOD: Psychosocial interviews, immunological evaluations, and cervical swabs for HPV detection and subtyping were conducted on 36 HIV+ African-American, Haitian, and Caribbean women. RESULTS: Greater pessimism was related to lower NKCC and cytotoxic/suppressor cells after controlling for presence/absence of HPV Types 16 or 18, behavioral/lifestyle factors, and subjective impact of negative life events. CONCLUSIONS: A pessimistic attitude may be associated with immune decrements, and possibly poorer control over HPV infection and increased risk for future promotion of cervical dysplasia to invasive cervical cancer in HIV+ minority women co-infected with HPV.


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Copyright © 1998 by the American Psychosomatic Society