通过调节NCC介导的脏NA平衡,NGAL是高血压的新目标
Benjamin Bonnard1, Soumaya El Moghrabi1, Kohei Ueda1
1Centre de Recherche des Cordeliers, INSERM, Sorbonne Université, Université de Paris, France (B.B., S.E.M., K.U., L.L., M.S., F.J.).
Hypertension (Dallas, Tex. : 1979)
|June 28, 2023
概括
中性粒细胞凝酶相关的利波卡林 (NGAL/lcn2) 通过调节运输体NCC活性来影响血压. 这一发现为对盐敏感高血压机制和潜在的治疗点提供了新的见解.
科学领域:
- 腎臟病學 (nephrology) 是一種醫學專業.
- 心血管生理学心血管生理学
- 分子生物学分子生物学
背景情况:
- 中性粒细胞凝酶相关的利波卡林 (NGAL/lcn2) 表达是由矿物质皮质体受体激活调节的.
- 在血压调节中NGAL/lcn2的确切作用尚不清楚.
研究的目的:
- 研究NGAL血水平,血压和分泌之间的关系.
- 用小鼠模型阐明NGAL/lcn2在盐敏感高血压中的作用.
主要方法:
- 在STANISLAS队列中分析NGAL血水平,缩血压和尿路分泌量.
- 使用lcn2-knockout (KO) 的小鼠食低饮食来研究对盐敏感的高血压.
- 研究复合NGAL/lcn2对化共载体 (NCC) 化和/卡尔莫杜林依赖蛋白激酶IIβ (CamK2β) 在脏组织中的化共载体 (NCC) 化作用.
主要成果:
- 在人体中,NGAL血水平与缩血压呈正相关,与尿路分泌呈负相关.
- 与野生型小鼠相比,lcn2 KO小鼠在低饮食下表现出较低的缩血压.
- 通过CamK2β激活,NGAL/lcn2被证明可以诱导皮层中的NCC酸化,减少尿路分泌.
结论:
- NGAL/lcn2在调节运输体NCC活性方面发挥着新的作用.
- 这种NGAL/lcn2的调制影响了对盐敏感的血压调节.
- 研究结果表明,NGAL/lcn2是平衡平衡和高血压的关键因素.
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