在毛囊阶段,TGF-β1和雌激素在马体内膜中调节前列腺素度和相关基因表达
Ana Amaral1, Marta Cerveira-Pinto1, Carina Santos2
1CIISA-Centre for Interdisciplinary Research in Animal Health, Faculty of Veterinary Medicine, University of Lisbon, 1300-477 Lisbon, Portugal; Associate Laboratory for Animal and Veterinary Sciences (AL4AnimalS), 1300-477 Lisbon, Portugal.
Veterinary journal (London, England : 1997)
|February 18, 2026
概括
转化生长因子-β1 (TGF-β1) 和雌二醇 (E2) 相互作用,改变马体内膜中的前列腺素 (PG) 合成. 这种相互作用可能通过将平衡转移到亲纤维化的PGF2α而不是抗纤维化的PGE2.2,从而促进纤维化.
科学领域:
- 生殖生物学 生殖生物学
- 内分泌学 在内分泌学.
- 纤维化研究纤维化.
背景情况:
- 转化生长因子-β1 (TGF-β1) 是一个关键的亲纤维细胞因子.
- 17β-雌二醇 (E2) 通过前列腺素 (PG) 合成影响细胞外基质 (ECM) 重塑.
- 马类子宫内膜异位症的特征是子宫纤维化,炎症和ECM积累.
研究的目的:
- 调查TGF-β1,E2及其组合对马类子宫内膜扩展体PG合成和受体表达的影响.
- 确定这些因素在毛囊期 (FLP) 期间对纤维化介质的影响.
主要方法:
- 马类子宫内膜外置被用TGF-β1和/或E2治疗了24小时和48小时.
- 使用定量PCR (qPCR) 来评估PG合成酶和受体的mRNA水平.
- 与酶相关的免疫吸收试验 (ELISA) 测量了PG度 (PGE2和PGF2α).
主要成果:
- 在24小时内,TGF-β1和联合治疗降低了PTGS-2mRNA.
- 24小时后,雌激素和联合治疗降低了PGES mRNA的调节;PGFS mRNA与TGF-β1 (24小时) 和E2 (48小时) 相比下降.
- 联合TGF-β1+E2治疗下降了PGE2水平,而E2 (24小时) 和TGF-β1治疗 (48小时) 增加了PGF2α.
- 在组合治疗中,EP2和EP4受体mRNA上调;在所有治疗中,FP受体mRNA下降.
结论:
- TGF-β1和E2相互作用,调节马体内膜中的PG通路.
- 这种相互作用可能通过改变PGE2/PGF2α平衡而导致纤维化.
- 这些发现表明,在马体内膜异位症中纤维变化的机制涉及TGF-β1和E2信号传递.
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