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Expression and clinical significance of regulatory T cells in peripheral blood and pleural effusion of the patients with lung cancer / 肿瘤研究与临床
Cancer Research and Clinic ; (6): 463-466, 2011.
Article in Chinese | WPRIM | ID: wpr-415173
ABSTRACT
Objective To explore the characteristics and clinical significance of CD+4 CD+25 Regulatory T lymphocytes and T cell subsets in peripheral blood and malignant pleural effusion from lung cancer patients. Methods Flow cytometry was used to detect the percentage of CD+4 CD+25 regulatory T cells and T cell subsets in peripheral blood from 68 lung cancer patients and 56 healthy persons, and in pleural effusion from 32 lung cancer patients with malignant effusion. Results T lymphocyte subsets in peripheral blood of lung cancer patients in different periods were expressed differently. The percentage of CD+4 CD+25 regulatory T cells in peripheral blood were (19.52±3.32)%, (27.28±8.26)% and (32.31±15.60)% in Ⅰ+Ⅱ, Ⅲ and Ⅳ period lung cancer patients, respectively, and were higher than that of healthy volunteers (11.12±3.32) % (t =31.0040, -7.9688, -4.9770, P <0.05). In the lung cancer patients with malignant effusion, the percentage of CD+4 CD+25 regulatory T cells in the pleural effusion was higher than that in the peripheral blood [(34.12±18.63) % vs (26.36± 16.25)%, t =21.164, P<0.05]. In the lung cancer patients with malignant effusion ,the percentages of CD+4 in peripheral blood and pleural effusion were (25.32±13.45) % and (34.68±12.34) %, were lower than that in healthy volunteers (t =7.3104, 4.8818, P<0.05), the percentages of CD+56 were (8.24±7.38) % and(11.23± 7.65) %, CD+4/CD+8 were (1.02±0.56) % and (1.32±0.82)%, were lower than (18.23±9.23) % and (1.89± 0.32) % in healthy volunteers, respectively, (CD+56 t =-14.7549, -11.7216; CD+4/CD+8 t =-24.78,-4.4564, P<0.05). Conclusion The relative increase of CD+4 CD+25 Regulatory T cells may be related to immunosuppression and tumor progression in patients with lung cancer. Conclusion The relative increase of CD+4 CD+25 regulatory T cells may be related to immunosuppression and tumor progression in patients with lung cancer.

Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Cancer Research and Clinic Year: 2011 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Cancer Research and Clinic Year: 2011 Type: Article