Chemotherapy can significantly reduce follicle counts in ovarian tissues and damage ovarian stroma,causing endocrine disorder,reproductive dysfunction,and primary ovarian insufficiency(POI).Recent studies have suggest...Chemotherapy can significantly reduce follicle counts in ovarian tissues and damage ovarian stroma,causing endocrine disorder,reproductive dysfunction,and primary ovarian insufficiency(POI).Recent studies have suggested that extracellular vesicles(EVs)secreted from mesenchymal stem cells(MSCs)exert therapeutic effects in various degenerative diseases.In this study,transplantation of EVs from human induced pluripotent stem cell-derived MSCs(iPSC-MSC-EVs)resulted in significant restoration of ovarian follicle numbers,improved granulosa cell proliferation,and inhibition of apoptosis in chemotherapy-damaged granulosa cells,cultured ovaries,and in vivo ovaries in mice.Mechanistically,treatment with i PSC-MSC-EVs resulted in up-regulation of the integrinlinked kinase(ILK)-PI3K/AKT pathway,which is suppressed during chemotherapy,most likely through the transfer of regulatory microRNAs(miRNAs)targeting ILK pathway genes.This work provides a framework for the development of advanced therapeutics to ameliorate ovarian damage and POI in female chemotherapy patients.展开更多
目的探讨大七气汤加减方(姜黄、三棱、莪术、半枝莲等)单用及联合顺铂对SKOV-3细胞移植瘤Survivin与Caspase-3表达的影响。方法将SKOV-3细胞移植瘤造模成功的40只荷瘤鼠随机分为模型对照组、大七气汤低、高剂量组、顺铂组、顺铂联合大...目的探讨大七气汤加减方(姜黄、三棱、莪术、半枝莲等)单用及联合顺铂对SKOV-3细胞移植瘤Survivin与Caspase-3表达的影响。方法将SKOV-3细胞移植瘤造模成功的40只荷瘤鼠随机分为模型对照组、大七气汤低、高剂量组、顺铂组、顺铂联合大七气汤组,每组8只,给药21 d后处死所有荷瘤鼠,称瘤重,测瘤体积,以逆转录-聚合酶链反应法和蛋白质印迹法检测瘤组织Survivin、Caspase-3 m RNA及蛋白的表达。结果各用药组瘤重和瘤体积均小于模型对照组(P<0.01);逆转录-聚合酶链反应和蛋白质印迹法检测结果显示中药组Survivin m RNA及蛋白表达明显低于模型对照组(P<0.01),且大七气汤低剂量组与DDP顺铂组比较差异有统计学意义(P<0.05),且DDP联合大七气汤组表达最低;用药组Caspase-3 m RNA和蛋白表达明显高于模型对照组(P<0.01),且大七气汤低剂量组与顺铂组比较差异有统计学意义(P<0.05),且顺铂联合大七气汤组表达最高。结论大七气汤加减方能够下调Survivin和上调Caspase-3的表达来达到抑制肿瘤细胞生长和促进肿瘤细胞凋亡,且大七气汤联合顺铂对SKOV-3细胞移植瘤治疗具有增效作用。展开更多
基金supported by the CUHK VC Discretionary Fund provided to the Hong Kong Branch of Chinese Academy of Science Center for Excellence in Animal Evolution and Genetics(Acc 8601011)the National Key R&D Program(2021YFC2700500)A-Smart Group to Shandong University and SDIVF R&D Centre Hong Kong,and Research Grants Council General Research Fund(Hong Kong Special Administrative Region Government)(14103418)。
文摘Chemotherapy can significantly reduce follicle counts in ovarian tissues and damage ovarian stroma,causing endocrine disorder,reproductive dysfunction,and primary ovarian insufficiency(POI).Recent studies have suggested that extracellular vesicles(EVs)secreted from mesenchymal stem cells(MSCs)exert therapeutic effects in various degenerative diseases.In this study,transplantation of EVs from human induced pluripotent stem cell-derived MSCs(iPSC-MSC-EVs)resulted in significant restoration of ovarian follicle numbers,improved granulosa cell proliferation,and inhibition of apoptosis in chemotherapy-damaged granulosa cells,cultured ovaries,and in vivo ovaries in mice.Mechanistically,treatment with i PSC-MSC-EVs resulted in up-regulation of the integrinlinked kinase(ILK)-PI3K/AKT pathway,which is suppressed during chemotherapy,most likely through the transfer of regulatory microRNAs(miRNAs)targeting ILK pathway genes.This work provides a framework for the development of advanced therapeutics to ameliorate ovarian damage and POI in female chemotherapy patients.
文摘目的探讨大七气汤加减方(姜黄、三棱、莪术、半枝莲等)单用及联合顺铂对SKOV-3细胞移植瘤Survivin与Caspase-3表达的影响。方法将SKOV-3细胞移植瘤造模成功的40只荷瘤鼠随机分为模型对照组、大七气汤低、高剂量组、顺铂组、顺铂联合大七气汤组,每组8只,给药21 d后处死所有荷瘤鼠,称瘤重,测瘤体积,以逆转录-聚合酶链反应法和蛋白质印迹法检测瘤组织Survivin、Caspase-3 m RNA及蛋白的表达。结果各用药组瘤重和瘤体积均小于模型对照组(P<0.01);逆转录-聚合酶链反应和蛋白质印迹法检测结果显示中药组Survivin m RNA及蛋白表达明显低于模型对照组(P<0.01),且大七气汤低剂量组与DDP顺铂组比较差异有统计学意义(P<0.05),且DDP联合大七气汤组表达最低;用药组Caspase-3 m RNA和蛋白表达明显高于模型对照组(P<0.01),且大七气汤低剂量组与顺铂组比较差异有统计学意义(P<0.05),且顺铂联合大七气汤组表达最高。结论大七气汤加减方能够下调Survivin和上调Caspase-3的表达来达到抑制肿瘤细胞生长和促进肿瘤细胞凋亡,且大七气汤联合顺铂对SKOV-3细胞移植瘤治疗具有增效作用。
