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Carcinoma of the cervix is causally related to infection with the human papillomavirus (HPV), and T cells play a pivotal role in the immune response of the host to rid itself of HPV infection. Therefore, we assessed the T-cell function of women with HPV-related cervical neoplasia against a superantigen, Staphylococcus enterotoxin B (SEB). Each woman provided a cervical brush specimen for HPV DNA testing and Papanicolaou (Pap) smears for the staging of cervical lesions. They also provided a blood specimen for determination of the ability of CD4(+) T and CD8(+) T cells to synthesize Th1 (interleukin-2 [IL-2], gamma interferon [IFN-gamma], and tumor necrosis factor alpha [TNF-alpha]) and Th2 (IL-10) cytokines in response to activation with SEB. Compared with control subjects with self-attested negative Pap smears, women with high-grade squamous intraepithelial lesions (HSIL) had significantly lower percentages of activated CD4(+) T cells that produced IL-2 (P = 0.045), IFN-gamma (P = 0.040), and TNF-alpha (P = 0.015) and a significantly lower percentage of activated CD8(+) T cells that produced IL-2 (P &lt; 0.01). These data indicate that women with HPV-related cervical HSIL show a decrease in Th1 cytokine production by activated CD4(+) T cells and suggested that compromised T-helper functions may negatively impact the function of cytotoxic CD8(+) T cells.

clinical and vaccine immunology

Depressed Type 1 Cytokine Synthesis by Superantigen-Activated CD4 <sup>+</sup> T Cells of Women with Human Papillomavirus-Related High-Grade Squamous Intraepithelial Lesions

Depressed Type 1 Cytokine Synthesis by Superantigen-Activated CD4 + T Cells of Women with Human Papillomavirus-Related High-Grade Squamous Intraepithelial Lesions

Depressed Type 1 Cytokine Synthesis by Superantigen-Activated CD4 ⁺ T Cells of Women with Human Papillomavirus-Related High-Grade Squamous Intraepithelial Lesions