Objective:To compare the effect of human chorionic gonadotropin(hCG)-producing peripheral blood mononuclear cells(PBMCs)and PBMCs activated by hCG in vitro and expressions of related immune genes in mouse implantation...Objective:To compare the effect of human chorionic gonadotropin(hCG)-producing peripheral blood mononuclear cells(PBMCs)and PBMCs activated by hCG in vitro and expressions of related immune genes in mouse implantation.Methods:hCG-producing PBMCs(transfected PBMC)and PBMCs activated by hCG in vitro were introduced into isolated mouse endometrial cells,while cell cultures were divided into four groups:the control,PBMC,transfected,and activated PBMC groups.The expression of studied genes(IL-1β,IL-6,Lif,and Vegf)was evaluated and blastocyst attachment on the cocultured cells(isolated endometrial cells and PBMC cells)was monitored in all four groups.Results:Data showed that expression decreased in the PBMC group compared to the treated PBMC(transfected and activated PBMCs)and increased in transfected PBMC compared to the activated PBMC.Attachment and migration of blastocysts were dramatically enhanced in the transfected PBMC group compared to the activated PBMC group(P<0.05).Conclusions:Use of hCG-producing PBMCs(transfected PBMC)has more influence on endometrial receptivity.展开更多
目的:探讨人子宫内膜细胞体外培养模型中,HCG对VEGF表达的调控作用和机制。方法:采用机械分离加梯度离心法分别获得腺上皮与基质细胞进行体外原代细胞混合培养;实验设对照组、HCG组(对照组使用常规DF/12培养液提取总蛋白;HCG组在DF/12...目的:探讨人子宫内膜细胞体外培养模型中,HCG对VEGF表达的调控作用和机制。方法:采用机械分离加梯度离心法分别获得腺上皮与基质细胞进行体外原代细胞混合培养;实验设对照组、HCG组(对照组使用常规DF/12培养液提取总蛋白;HCG组在DF/12培养液中加终浓度为20U/ml HCG)。采用Q-PCR测定子宫内膜细胞中VEGF mRNA表达水平。免疫组化或荧光法进行LH-R和VEGF蛋白质定位表达,Western blot法测定蛋白半定量表达。结果:子宫内膜腺上皮与基质细胞均存在LH/HCG-R和VEGF蛋白表达。HCG对子宫内膜细胞VEGF蛋白的峰值作用时间点为24h。与对照组相比,20IU/ml HCG体外干预24h后,子宫内膜细胞VEGF mRNA和蛋白质水平均显著上调(Q-PCR:1 vs 2.0132±0.6024;WB:0.4069±0.1897 vs 0.7781±0.1651)(P均<0.05)。结论:成功建立了人子宫内膜细的体外培养模型,并完成HCG的干预实验。HCG与HCG/LH-R结合后上调子宫内膜细胞VEGF的基因和蛋白质水平表达。展开更多
文摘Objective:To compare the effect of human chorionic gonadotropin(hCG)-producing peripheral blood mononuclear cells(PBMCs)and PBMCs activated by hCG in vitro and expressions of related immune genes in mouse implantation.Methods:hCG-producing PBMCs(transfected PBMC)and PBMCs activated by hCG in vitro were introduced into isolated mouse endometrial cells,while cell cultures were divided into four groups:the control,PBMC,transfected,and activated PBMC groups.The expression of studied genes(IL-1β,IL-6,Lif,and Vegf)was evaluated and blastocyst attachment on the cocultured cells(isolated endometrial cells and PBMC cells)was monitored in all four groups.Results:Data showed that expression decreased in the PBMC group compared to the treated PBMC(transfected and activated PBMCs)and increased in transfected PBMC compared to the activated PBMC.Attachment and migration of blastocysts were dramatically enhanced in the transfected PBMC group compared to the activated PBMC group(P<0.05).Conclusions:Use of hCG-producing PBMCs(transfected PBMC)has more influence on endometrial receptivity.
文摘目的:探讨人子宫内膜细胞体外培养模型中,HCG对VEGF表达的调控作用和机制。方法:采用机械分离加梯度离心法分别获得腺上皮与基质细胞进行体外原代细胞混合培养;实验设对照组、HCG组(对照组使用常规DF/12培养液提取总蛋白;HCG组在DF/12培养液中加终浓度为20U/ml HCG)。采用Q-PCR测定子宫内膜细胞中VEGF mRNA表达水平。免疫组化或荧光法进行LH-R和VEGF蛋白质定位表达,Western blot法测定蛋白半定量表达。结果:子宫内膜腺上皮与基质细胞均存在LH/HCG-R和VEGF蛋白表达。HCG对子宫内膜细胞VEGF蛋白的峰值作用时间点为24h。与对照组相比,20IU/ml HCG体外干预24h后,子宫内膜细胞VEGF mRNA和蛋白质水平均显著上调(Q-PCR:1 vs 2.0132±0.6024;WB:0.4069±0.1897 vs 0.7781±0.1651)(P均<0.05)。结论:成功建立了人子宫内膜细的体外培养模型,并完成HCG的干预实验。HCG与HCG/LH-R结合后上调子宫内膜细胞VEGF的基因和蛋白质水平表达。