Pingchong Jiangni Recipe (平冲降逆方) alleviates endometriosis in rats by regulation autophagy via the miR-199a-3p/mTOR signaling pathway

In: Lishizhen medicine and materia medica research · 2026 · vol. 37(19) , pp. 3650–3656 · doi:10.70976/j.1008-0805.szgygy-2026-1907 · W7222699457
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⚙ AI-generated summary by qwen3.7-flash, 2026-10-21 ⓘ

The Pingchong Jiangni Recipe alleviated endometriosis in rats by upregulating miR-199a-3p to suppress mTOR signaling and enhance autophagy, thereby reducing lesion size and improving histological pathology.

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Abstract

目的 探究平冲降逆方(PJR)调控miR-199a-3p/哺乳动物雷帕霉素靶蛋白(mTOR)信号通路治疗子宫内膜异位症(EMs)模型大鼠的潜在机制。 方法 将40只SD雌性大鼠随机分为假手术组、模型组、PJR组及西药组。假手术组未移植内膜仅接受开腹操作,EMs大鼠模型行自体子宫内膜移植手术构建,造模成功后灌胃给药,PJR组予PJR煎剂(7.56 g·kg⁻¹),西药组予孕三烯酮混悬液(0.26 mg·kg⁻¹),假手术组和模型组予等量生理盐水,持续21天。取材测量异位病灶的质量与体积;苏木素-伊红染色观察组织病理学改变;免疫组化、Western blot和qRT-PCR检测异位病灶自噬相关因子(Beclin1、LC3 II/LC3 I)及miR-199a-3p、mTOR的表达水平。 结果 与模型组相比,PJR干预显著降低大鼠异位病灶质量及体积(P<0.05);病理学显示异位内膜上皮细胞、间质细胞排列紊乱及炎性浸润减轻;PJR组异位内膜中Beclin1、LC3 II/LC3 I表达显著升高(P<0.05),mTOR表达显著降低(P<0.01);miR-199a-3p表达水平亦显著上调(P<0.001)。 结论 PJR治疗EMs的机制可能与调控异位内膜组织miR-199a-3p/mTOR信号通路影响自噬表达,进而改善EMs的病理进程有关。

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