Abstract
Objective: To investigate the expression of T-cell immunoglobulin and mucin domain 3 (TIM-3) on peripheral T cells of cervical carcinoma patients. Methods: Peripheral blood samples from 15 high-grade cervical squamous intraepithelial lesion (HSIL) patients, 24 cervical carcinoma patients, and 21 healthy controls were collected. TIM-3 expressions on the surface of peripheral CD4+ T cells and CD8+ T cells were analyzed with flow cytometry. Results: There was significantly lower expression of CD4+ T cells and CD8+ T cells in HSIL patients and cervical carcinoma patients compared with healthy controls. We also found that TIM-3 expression on peripheral CD4+ T and CD8+ T cells of both HSIL patients and cervical carcinoma patients was significantly increased compared to the control group. Further analyses revealed that the expression of TIM-3 on peripheral CD4+ T and CD8+ T cells significantly increased in stage III–IV cervical carcinoma patients compared to stages I–II. Conclusion: The increased expression of TIM-3 on CD4+ T cells and CD8+ T cells of patients with cervical carcinoma and HSIL suggests the potential role of TIM-3 in the development and progression of cervical carcinoma, which may be a novel therapy target for cervical carcinoma.
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