互卢金-22在多囊卵巢综合征中改善卵巢功能,独立于代谢调节:一项基于小鼠的实验研究
Weixuan Chen1,2,3,4, Baoying Liao1,2,3,4, Chuyu Yun1,2,3,4
1State Key Laboratory of Female Fertility Promotion, Center for Reproductive Medicine, Department of Obstetrics and Gynaecology, Peking University Third Hospital, Beijing, China.
Journal of ovarian research
|May 11, 2024
概括
介质素-22 (IL-22) 在非代谢性多囊性卵巢综合征 (PCOS) 的小鼠模型中改善卵巢功能. 颗粒细胞中的STAT3对IL-22至关重要.
科学领域:
- 生殖内分泌学 生殖内分泌学
- 代谢障碍 代谢障碍 代谢障碍
- 细胞信号传输 细胞信号传输
背景情况:
- 多囊卵巢综合征 (PCOS) 是一种复杂的内分泌疾病,通常与胰岛素抵抗和肥胖等代谢异常有关.
- 目前的PCOS治疗主要针对症状,并可能产生显著的副作用.
- 一小部分PCOS患者表现出正常的代谢功能,但仍然经历卵巢功能障碍,需要针对性卵巢治疗.
研究的目的:
- 在PCOS的非代谢性小鼠模型中研究Interleukin-22 (IL-22) 对卵巢功能的治疗潜力.
- 阐明花状细胞内STAT3信号传递在IL-22对PCOS相关卵巢功能障碍的影响中介作用.
主要方法:
- 开发了一种非代谢性PCOS小鼠模型,使用脱水氨 (DHEA) 和罗西格利塔,表现出PCOS类卵巢表型,具有正常的代谢参数.
- 使用了体外毛囊培养系统和粒粉细胞特异性STAT3淘汰 (Fshr+cre+Stat3f/f) 小鼠来评估IL-22对卵巢细胞的直接影响.
- 向小鼠和培养的卵泡注射IL-22,以评估雌激素周期性,卵巢形态和性激素水平的改善.
主要成果:
- 非代谢性PCOS小鼠模型显示不规则的雌性周期,多囊性卵巢形态 (PCOM) 和荷尔蒙失衡,但保持正常的葡萄糖耐受性.
- 在非代谢性PCOS小鼠中,补充IL-22显著改善了这些卵巢功能障碍.
- 在体外,IL-22并没有改善STAT3缺乏的粒状细胞的毛囊发育,而体内STAT3消去逆转了IL-22对卵巢功能的有益作用.
结论:
- 在缺乏代谢障碍的PCOS模型中,IL-22显示出改善卵巢功能的治疗能力.
- 颗粒细胞中的STAT3信号传递是IL-22对非代谢性PCOS卵巢功能障碍的积极影响的重要媒介.
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