在接受坎德沙坦治疗的老鼠中,足够的盐摄入对于维持功能至关重要
Anni Xie1,2, Leijuan Xiao1, Mingzhuo Zhang1,2
1Department of Nephrology, Nanjing BenQ Medical Center, The Affiliated BenQ Hospital of Nanjing Medical University, Nanjing, People's Republic of China.
American journal of physiology. Renal physiology
|April 9, 2025
概括
坎德沙坦治疗时极度限制盐分可能会导致大鼠急性损伤. 尿外体运输体 (NHE3,NKCC2,NCC,AQP1) 可能比血清肌素水平更早地预测损伤.
科学领域:
- 腎臟病學 (nephrology) 是一種醫學專業.
- 心血管医学 心血管医学
- 药理学 药理学是指药理学的学科.
背景情况:
- 在和心血管疾病管理中,饮食盐的限制和血管酶二受体-1阻断 (ARB) 是常见的.
- 接受ARB治疗的患者,特别是沙坦的最佳盐摄入量需要进一步调查.
- 识别急性损伤 (AKI) 的早期生物标志物对于患者的治疗结果至关重要.
研究的目的:
- 为了确定不同的盐饮食对接受德沙坦治疗的老鼠功能的影响.
- 在此背景下,确定急性损伤 (AKI) 的早期预测标志物.
- 评估尿道外体运输体在ARB治疗期间对盐摄入的反应中的作用.
主要方法:
- 给老鼠注射了坎德沙坦,并接受了低盐 (0.02%),正常 (0.4%) 或高盐 (2%) 的饮食.
- 通过血清肌素 (SCr) 和肌素清除率 (Ccr) 来评估功能.
- 测量了NHE3,NKCC2,NCC和AQP1的尿外体水平,以及脏组织学.
主要成果:
- 低盐饮食诱导了康德沙坦治疗的老鼠的SCr增加,Ccr降低和脏异常.
- 在SCr和Ccr发生变化2天前,尿道外体NHE3,NKCC2,NCC和AQP1显著增加.
- 适度高盐饮食逆转了盐限制对脏的不良影响.
结论:
- 严重的饮食盐限制可以在接受candesartan的老鼠中加速可逆性损伤.
- 泌尿外体NHE3,NKCC2,NCC和AQP1显示出可能成为AKI的早期生物标志物.
- 在康德沙坦治疗期间,建议适度摄入盐,以保持脏健康.
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