Background:This study evaluated the expression of cellular FLICE-like inhibitory protein(cFLIP)in granulosa cells(GCs)obtained from in vitro fertilization-embryo transfer patients with advanced endometriosis.Methods:A...Background:This study evaluated the expression of cellular FLICE-like inhibitory protein(cFLIP)in granulosa cells(GCs)obtained from in vitro fertilization-embryo transfer patients with advanced endometriosis.Methods:A total of 267 patients with advanced endometriosis were enrolled in this study.They were divided into clinical pregnancy group(n=114)and nonpregnancy group(n=153).The expressions of cFLIP in mRNA and protein level were measured by real-time polymerase chain reaction(RT-PCR)and Western blotting.The related factors on the clinical pregnancy were analyzed using logistic regression analysis.Coefficients of correlation were calculated using the nonparametric rho-Spearman test.Results:The number of oocytes retrieved,fertilization rate,and cleavage rate were significantly and independently related with clinical pregnancy(P>0.05).RT-PCR and Western blotting analysis showed that the expressions of cFLP in mRNA and protein level were significantly higher in the clinical pregnancy group than in nonpregnancy group(P>0.05).cFLIP had a significantly positive correlation with the number of oocytes retrieved(P>0.05)and no correlation with fertilization rate and cleavage rate(P<0.05).Conclusion:Higher expression of cFLIP increased the pregnancy rate in women with advanced endometriosis.展开更多
Phosphatidylinositol 3-kinase(PI3K)is a crucial cell survival pathway implicated in tumorigenesis because of its role in stimulating cell proliferation and suppressing apoptosis.This study was to investigate the regul...Phosphatidylinositol 3-kinase(PI3K)is a crucial cell survival pathway implicated in tumorigenesis because of its role in stimulating cell proliferation and suppressing apoptosis.This study was to investigate the regulation of proliferation and apoptosis by LY294002,an inhibitor of PI3K in cervical cancer cells and the expression of FLICE-like inhibitory protein(c-FLIP)in vitro.Human cervical cancer HeLa cells were used in this experiment and cultured.The cultured cells were treated with LY294002 at different concentrations(10,25,50 and 100µmol/L)for 6,12,24,and 48 h before harvesting for evaluation.Cell viability was measured by 3-(4,5)-dimethylthiazol(-2-y1)-3,5-di-phenyltetrazoliumbromide(MTT)assay.Apoptosis was analyzed byflow cytometry.The expression of c-FLIP was detected by Western blot.Cell viability was inhibited by LY294002 significantly(P<0.05).Flow cytometry analysis revealed that cell apoptosis was significantly increased in the presence of LY294002 as compared with the control group.Although the expression of c-FLIP was increased in a short time,the expression of c-FLIP was markedly suppressed after the treatment of LY294002 for 48 h.These results suggested that the PI3K/Akt signal pathway might be involved in the regulation of cell apoptosis in cervical cancer cells.Moreover,the regulation of c-FLIP expression through PI3K/Akt signal pathway in cervical cancer cells was observed in vitro.展开更多
基金This research was funded by Shanxi Women and Children’s Hospital,China(No.201529).
文摘Background:This study evaluated the expression of cellular FLICE-like inhibitory protein(cFLIP)in granulosa cells(GCs)obtained from in vitro fertilization-embryo transfer patients with advanced endometriosis.Methods:A total of 267 patients with advanced endometriosis were enrolled in this study.They were divided into clinical pregnancy group(n=114)and nonpregnancy group(n=153).The expressions of cFLIP in mRNA and protein level were measured by real-time polymerase chain reaction(RT-PCR)and Western blotting.The related factors on the clinical pregnancy were analyzed using logistic regression analysis.Coefficients of correlation were calculated using the nonparametric rho-Spearman test.Results:The number of oocytes retrieved,fertilization rate,and cleavage rate were significantly and independently related with clinical pregnancy(P>0.05).RT-PCR and Western blotting analysis showed that the expressions of cFLP in mRNA and protein level were significantly higher in the clinical pregnancy group than in nonpregnancy group(P>0.05).cFLIP had a significantly positive correlation with the number of oocytes retrieved(P>0.05)and no correlation with fertilization rate and cleavage rate(P<0.05).Conclusion:Higher expression of cFLIP increased the pregnancy rate in women with advanced endometriosis.
文摘Phosphatidylinositol 3-kinase(PI3K)is a crucial cell survival pathway implicated in tumorigenesis because of its role in stimulating cell proliferation and suppressing apoptosis.This study was to investigate the regulation of proliferation and apoptosis by LY294002,an inhibitor of PI3K in cervical cancer cells and the expression of FLICE-like inhibitory protein(c-FLIP)in vitro.Human cervical cancer HeLa cells were used in this experiment and cultured.The cultured cells were treated with LY294002 at different concentrations(10,25,50 and 100µmol/L)for 6,12,24,and 48 h before harvesting for evaluation.Cell viability was measured by 3-(4,5)-dimethylthiazol(-2-y1)-3,5-di-phenyltetrazoliumbromide(MTT)assay.Apoptosis was analyzed byflow cytometry.The expression of c-FLIP was detected by Western blot.Cell viability was inhibited by LY294002 significantly(P<0.05).Flow cytometry analysis revealed that cell apoptosis was significantly increased in the presence of LY294002 as compared with the control group.Although the expression of c-FLIP was increased in a short time,the expression of c-FLIP was markedly suppressed after the treatment of LY294002 for 48 h.These results suggested that the PI3K/Akt signal pathway might be involved in the regulation of cell apoptosis in cervical cancer cells.Moreover,the regulation of c-FLIP expression through PI3K/Akt signal pathway in cervical cancer cells was observed in vitro.
