增加的酸摄入量成为多囊性卵巢综合征的危险因素,因为它会影响卵巢粒状细胞
1Department of Obstetrics and Gynecology, The Second Hospital of Jilin University, Changchun, Jilin, China.
概括
摄入大量的氨基酸 (LA),一种omega-6脂肪酸,是多囊性卵巢综合征 (PCOS) 的危险因素. 抗胰岛素可以诱导PCOS类症状,炎症和卵巢细胞损伤,而不依赖于体重增加或胰岛素抵抗.
科学领域:
- 内分泌学和新陈代谢学
- 生殖生物学 生殖生物学
- 营养科学 营养科学
背景情况:
- 多囊卵巢综合征 (PCOS) 是一种普遍存在的内分泌疾病,影响生殖年龄的女性,通常与不孕症有关.
- 氨酸 (LA) 是一种必需的omega-6多不和脂肪酸,由于饮食趋势和食品工业的进步,其消费量有所增加.
- 结核复合症的特征是慢性轻度炎症,饮食中的LA在这种情况下的作用需要紧急调查.
研究的目的:
- 调查饮食中酸 (LA) 摄入量与多囊性卵巢综合征 (PCOS) 现象型的发展之间的关系.
- 阐明LA对卵巢颗粒细胞 (GCs) 的影响,并探索PCOS的潜在分子机制.
主要方法:
- 动物研究涉及暴露于不同LA度的小鼠,以评估PCOS相关的表型.
- 在体外实验中使用KGN颗粒细胞系来评估LA对细胞功能的影响.
- 预处理的GC的转录组测序 (RNA-Seq) 以确定分子变化.
主要成果:
- 中等和高的LA度在小鼠中诱导了PCOS类症状,包括不规则的雌性周期,多囊性卵巢和过高雄性质.
- 抗氧化剂摄入与PCOS相关的体重增加或胰岛素耐药性无关,但引起全身炎症和降低抗氧化能力.
- 在体外,LA损害了GC的抗氧化能力,线粒体功能,并诱导了细胞亡和炎症,独立于内分泌效应.
结论:
- 较高的林诺酸 (LA) 摄入量被认为是导致多囊卵巢综合征 (PCOS) 的重要危险因素.
- LA通过促进炎症,氧化应激和亡,对卵巢颗粒细胞产生负面影响,从而影响卵巢功能.
- 需要进一步的研究来确定LA的安全摄入水平,以预防和治疗PCOS.
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