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与雌激素受体相关的孤儿受体通过TFEB调节自
McKenna Losby1, Matthew Hayes1, Aurore Valfort1
1Division of Biology & Biomedical Sciences, Washington University School of Medicine, St. Louis (M.L.); Department of Pharmacodynamics, University of Florida College of Pharmacy, Gainesville, Florida (M.H., A.V., R.S., T.P.B.); University of Florida Genetics Institute, Gainesville, Florida (T.P.B.); Brown Foundation Institute of Molecular Medicine, McGovern Medical School, UTHealth, Houston, Texas, (D.H.S., V.A.N.); Department of Pharmacology and Physiology, Saint Louis University School of Medicine, St. Louis, Missouri (J.K.W.); Department of Molecular and Human Genetics, Baylor College of Medicine, Houston TX (W.X., L.Z.); and Center for Clinical Pharmacology, St Louis College of Pharmacy, University of Health Sciences and Pharmacy, St. Louis MO (C.B.).
与雌激素受体相关的受体 (ERR) 通过增加转录因子EB (TFEB) 表达来激活自途径. 这种机制为心力衰竭和其他疾病提供了潜在的治疗策略.
科学领域:
- 心血管生物学 心血管生物学
- 细胞的新陈代谢
- 分子内分泌学分子内分泌学
背景情况:
- 自是一种维护恒常状态的重要细胞过程.
- 与雌激素受体相关的受体 (ERR) 调节心脏代谢和功能.
- 之前的研究表明,ERR激动剂可以改善心脏功能,并诱导自.
研究的目的:
- 阐明ERRs在心肌细胞中诱导自的机制.
- 研究转录因子EB (TFEB) 在ERR介导的自中所起的作用.
主要方法:
- 使用了新生小鼠心室肌细胞和C2C12细胞核细胞.
- 研究了ERRs对TFEB的直接转录调节.
- 评估了ERR激活对TFEB和下游自相关基因表达的影响.
主要成果:
- 确定了TFEB作为ERRs的直接标基因.
- 证明ERR激动剂会增加心肌细胞和肌细胞中的TFEB表达.
- 显示增加TFEB导致自刺激基因的表达增强.
结论:
- 激活ERR直接诱导TFEB,这是自的一个主调节器.
- 这个ERR-TFEB-自轴代表了一个新的治疗途径.
- 准ERR可能为心力衰竭和其他与自相关的疾病提供了有希望的治疗方法.
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