新辅助化疗对宫颈癌患者外周血Treg细胞、血清TGF-β1、VEGF水平及组织VEGF、CD105表达的影响

doi:10.3969/j.issn.1671-7171.2018.04.009

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Abstract 【Objective】To study the influence of neoadjuvant chemotherapy on the ratio of Treg / CD4 cells in the peripheral blood, serum levels of TGF-β1 and VEGF, and the expression of VEGF and CD105 in tumor tissues.【Methods】A total of 97 patients with uterine cervical cancer (UCC) who were treated in our department from Mar 2014 to Mar 2017 were enrolled in this study (UCC group); all patients received neoadjuvant therapy. Meanwhile, 70 healthy women were included in the control group (HC group). The ratio of Treg/ CD4+ cells was measured by the flow cytometry assay, ; serum levels of TGF-β1 and VEGF were detected by ELISA assay, and the expression of VEGF and CD105 in the tumor tissue was evaluated by the immunohistochemistry.【Results】Before the neoadjuvant therapy, the ratio of the peripheral Treg/CD4 cells and the serum levels of TGF-β1 and VEGF were significantly higher in the UCC group than in the HC group (P＜0.05). The ratio of Treg/CD4 cells and the serum levels of TGF-β1 and VEGF were significantly decreased after the neoadjuvant therapy (P＜0.05). The expression of VEGF and CD105 in the tumor tissue of the UCC group significantly decreased after neoadjuvant therapy (P＜0.05). A positive correlation between VEGF and CD105 expression in the UCC tissue was found by the Pearson correlation analysis (r=0.557, P=0.032).【Conclusion】Neoadjuvant therapy can decrease the ratio of the peripheral Treg/CD4+ cells, reduce the release of TGF-β1, and downregulate the expression of CD105 and VEGF in the UCC tissue, thereby inhibiting angiogenesis and improving remission.

Key words： Uterine Cervical Neoplasms/DT Chemotherapy, Adjuvant T-Lymphocytes, Regulatory Neovascularization, Pathologic

Received: 18 September 2017

PACS:

R711.74

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GAO Xue-lian. Effect of Neoadjuvant Chemotherapy on Peripheral Blood Treg Cells, Serum Levels of TGF-β1 and VEGF, and Expression of VEGF and CD105 in Cervical Cancer Tissues[J]. JOURNAL OF CLINICAL RESEARCH, 2018, 35(4): 651-653.

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http://www.jcr.net.cn/EN/10.3969/j.issn.1671-7171.2018.04.009 OR http://www.jcr.net.cn/EN/Y2018/V35/I4/651

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