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  • Title: Increase in endocervical CD4 lymphocytes among women with nonulcerative sexually transmitted diseases.
    Author: Levine WC, Pope V, Bhoomkar A, Tambe P, Lewis JS, Zaidi AA, Farshy CE, Mitchell S, Talkington DF.
    Journal: J Infect Dis; 1998 Jan; 177(1):167-74. PubMed ID: 9419184.
    Abstract:
    To assess associations of nonulcerative sexually transmitted diseases (STDs) with human immunodeficiency virus (HIV)-susceptible leukocytes on female genital mucosa, cervicovaginal specimens from 32 HIV-negative STD clinic patients with gonorrhea, chlamydial infection, or trichomoniasis were compared with specimens from 32 clinic patients without these infections. Twenty-eight patients had single infections (15 gonorrhea, 10 chlamydial infection, 3 trichomoniasis), and 4 had dual infections. A saline vaginal wash and saline suspensions of vaginal wall scrapings, ectocervical scrapings, and endocervical brushings were analyzed by flow cytometry. Specimens from the endocervix had the highest proportions of lymphocytes, monocytes, and Langerhans' cells. The median number of endocervical CD4 lymphocytes/10,000 cells was greater among patients with STDs than among those without (476 vs. 245; P < .001). These data suggest that the endocervix may have a particularly important role in heterosexual HIV transmission and that nonulcerative STDs may facilitate HIV transmission by increasing the presence of CD4 lymphocytes at this site.
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