Objective:To observe the expression of N-acetyl-glucosamine-6-O-sulfotransferase(GN-6-ST)in the endometrium during the window stage of implantation from infertile women before IVF-ET treatment,we compared the GN-6-ST ...Objective:To observe the expression of N-acetyl-glucosamine-6-O-sulfotransferase(GN-6-ST)in the endometrium during the window stage of implantation from infertile women before IVF-ET treatment,we compared the GN-6-ST gene expression level between the women with succeeded and failed implantation,and investigated the roles of selectin and its ligands in the embryo implantation.Methods:The hysteroscopy and endometrial biopsies were performed in patients prior to undergoing IVF-ET treatment in the IVF Center of the First Affiliated Hospital of Nanjing Medical University from July 2004 to March 2005.Fourteen patients who succeeded in implantation were taken as study group,while the 28 infertile patients with failed implantation served as control group.The RT-PCR method was used to detect the mRNA levels of N-acetyl-glucosamine-6-O-sulfotransferase in the endometrium during the window stage of imp-lantation of the women from both groups.Results:For these infertile patients with succeeded implantation,the average mRNA expression level of acetyl-glucosamine-6-O-sulfotransferase in the endometrium during the window stage of implantation was(0.65±0.33),while for those with failed implantation cycle,the average mRNA expression level was(0.41±0.36),which was significantly lower than that of study group,P<0.05.Conclusions:The combination of the selectin and ligands may play a role in the embryo implantation capacibility.展开更多
目的:探讨输卵管上皮内N-乙酰葡萄糖胺-6-转磺酶(CHST2)和岩藻糖基转移酶7(Fuc T-VII)表达与输卵管妊娠发生的关系。方法:采用免疫组织化学和实时荧光定量PCR(RTPCR)的方法,检测输卵管妊娠患者的输卵管胚囊着床部位组织(EP-2组,n=23),...目的:探讨输卵管上皮内N-乙酰葡萄糖胺-6-转磺酶(CHST2)和岩藻糖基转移酶7(Fuc T-VII)表达与输卵管妊娠发生的关系。方法:采用免疫组织化学和实时荧光定量PCR(RTPCR)的方法,检测输卵管妊娠患者的输卵管胚囊着床部位组织(EP-2组,n=23),输卵管胚囊着床旁部位组织(EP-1组,n=23),正常输卵管组织(CT组,n=16)的CHST2和Fuc T-VII的表达情况。结果:免疫组织化学法检测到输卵管妊娠胚囊着床部位CHST2和Fuc T-VII表达明显上调,与正常组相比差异有显著统计学意义(P<0.05)。RT-PCR方法检测CHST2 m RNA和Fuc T-VII m RNA在输卵管妊娠胚囊着床部表达水平高于正常组,差异有显著统计学意义(P<0.05)。结论:L-选择素与其配体相结合的机制可能参与了输卵管妊娠的发生。展开更多
目的检测不孕症患者体外受精-胚胎移植(IVF-ET)前种植窗期子宫内膜N-乙酰氨基葡萄糖-6-磺基转移酶(N-acetylglucosamine-6-O-sulfo trans ferase)的表达,比较受孕者和未受孕者的表达差异,探讨选择素与其配体相结合与胚泡的附植过程的关...目的检测不孕症患者体外受精-胚胎移植(IVF-ET)前种植窗期子宫内膜N-乙酰氨基葡萄糖-6-磺基转移酶(N-acetylglucosamine-6-O-sulfo trans ferase)的表达,比较受孕者和未受孕者的表达差异,探讨选择素与其配体相结合与胚泡的附植过程的关系及其发挥的作用。方法2004-07-2005-03南京医科大学第一附属医院生殖中心在进行IVF-ET治疗前,于黄体中期行宫腔镜检查的不孕症患者作为研究对象,受孕者14例作为研究组,未受孕者28例作为对照组,用反转录-聚合酶链反应(RT-PCR)方法检测两组患者种植窗期的表达水平。结果不孕症患者受孕组种植窗期子宫内膜N-乙酰氨基葡萄糖-6-磺基转移酶的mRNA的表达水平(灰度值)平均为(0.65±0.33),未受孕组种植窗期子宫内膜N-乙酰氨基葡萄糖-6-磺基转移酶的mRNA的表达水平(灰度值)平均为(0.41±0.36),其N-乙酰氨基葡萄糖-6-磺基转移酶的mRNA的表达水平显著低于受孕组,P<0.05。结论选择素与其配体相结合的机制可能参与了胚泡的附植过程,并可能是子宫内膜对胚胎接受能力的重要参数之一。展开更多
文摘Objective:To observe the expression of N-acetyl-glucosamine-6-O-sulfotransferase(GN-6-ST)in the endometrium during the window stage of implantation from infertile women before IVF-ET treatment,we compared the GN-6-ST gene expression level between the women with succeeded and failed implantation,and investigated the roles of selectin and its ligands in the embryo implantation.Methods:The hysteroscopy and endometrial biopsies were performed in patients prior to undergoing IVF-ET treatment in the IVF Center of the First Affiliated Hospital of Nanjing Medical University from July 2004 to March 2005.Fourteen patients who succeeded in implantation were taken as study group,while the 28 infertile patients with failed implantation served as control group.The RT-PCR method was used to detect the mRNA levels of N-acetyl-glucosamine-6-O-sulfotransferase in the endometrium during the window stage of imp-lantation of the women from both groups.Results:For these infertile patients with succeeded implantation,the average mRNA expression level of acetyl-glucosamine-6-O-sulfotransferase in the endometrium during the window stage of implantation was(0.65±0.33),while for those with failed implantation cycle,the average mRNA expression level was(0.41±0.36),which was significantly lower than that of study group,P<0.05.Conclusions:The combination of the selectin and ligands may play a role in the embryo implantation capacibility.
文摘目的:探讨输卵管上皮内N-乙酰葡萄糖胺-6-转磺酶(CHST2)和岩藻糖基转移酶7(Fuc T-VII)表达与输卵管妊娠发生的关系。方法:采用免疫组织化学和实时荧光定量PCR(RTPCR)的方法,检测输卵管妊娠患者的输卵管胚囊着床部位组织(EP-2组,n=23),输卵管胚囊着床旁部位组织(EP-1组,n=23),正常输卵管组织(CT组,n=16)的CHST2和Fuc T-VII的表达情况。结果:免疫组织化学法检测到输卵管妊娠胚囊着床部位CHST2和Fuc T-VII表达明显上调,与正常组相比差异有显著统计学意义(P<0.05)。RT-PCR方法检测CHST2 m RNA和Fuc T-VII m RNA在输卵管妊娠胚囊着床部表达水平高于正常组,差异有显著统计学意义(P<0.05)。结论:L-选择素与其配体相结合的机制可能参与了输卵管妊娠的发生。
文摘目的检测不孕症患者体外受精-胚胎移植(IVF-ET)前种植窗期子宫内膜N-乙酰氨基葡萄糖-6-磺基转移酶(N-acetylglucosamine-6-O-sulfo trans ferase)的表达,比较受孕者和未受孕者的表达差异,探讨选择素与其配体相结合与胚泡的附植过程的关系及其发挥的作用。方法2004-07-2005-03南京医科大学第一附属医院生殖中心在进行IVF-ET治疗前,于黄体中期行宫腔镜检查的不孕症患者作为研究对象,受孕者14例作为研究组,未受孕者28例作为对照组,用反转录-聚合酶链反应(RT-PCR)方法检测两组患者种植窗期的表达水平。结果不孕症患者受孕组种植窗期子宫内膜N-乙酰氨基葡萄糖-6-磺基转移酶的mRNA的表达水平(灰度值)平均为(0.65±0.33),未受孕组种植窗期子宫内膜N-乙酰氨基葡萄糖-6-磺基转移酶的mRNA的表达水平(灰度值)平均为(0.41±0.36),其N-乙酰氨基葡萄糖-6-磺基转移酶的mRNA的表达水平显著低于受孕组,P<0.05。结论选择素与其配体相结合的机制可能参与了胚泡的附植过程,并可能是子宫内膜对胚胎接受能力的重要参数之一。