Objective:To investigate the glucose metabolism characteristics of CD4+CD25+CD127low regulatory T cells(Treg)and CD4+CD25-CD127+ effector T cells(Teff)in growth environment of ovarian cancer cells. Methods:Fluorescence-activated cell sorting(FACS)separated CD4+ Treg cells and CD4+ Teff cells,then established a coculture system of human T cells with ovarian cancer cell SKOV3. The expression levels of glucose metabolism related genes and proteins were determined by real-time fluorescence quantitative PCR(RT-PCR)and Western blot. The levels of glucose uptake and glycolysis were detected by colorimetry. Results:Compared with the CD4+ Treg cells in single culture without SKOV3 and CD4+ Teff cells,the expression levels of glucose metabolism related genes and proteins in CD4+ Treg cells cocultured with SKOV3 were elevated(P<0.05)and the levels of glucose uptake and glycolysis were increased[(59.78±2.57)pmol vs.(44.93±1.86)pmol,P<0.05;(15.31 ± 2.05)mmol/L vs.(7.98 ±0.88)mmol/L,P<0.05]. Conclusion:The level of glucose metabolism in CD4+ Treg cells is higher than CD4+ Teff cells in ovarian cancer cell growth environment,ovarian cancer cells could promote the expression levels of glucose metabolism related genes and proteins in CD4+ Treg cells.