相关实验视频
Updated: Jul 3, 2025

06:11
Culturing Primary Rat Inner Medullary Collecting Duct Cells
Published on: June 21, 2013
14.8K
收集管NCOR1通过调节矿物质皮质类受体受体来控制血压
Ke Sun1, Yong-Li Wang2, Chen-Chen Hou3
1Department of Nephrology, Zhejiang University Medical College Affiliated Sir Run Run Shaw Hospital, Hangzhou, Zhejiang Province 310016, China; Division of Nephrology, Huashan Hospital, Fudan University, Shanghai 200040, China.
Journal of advanced research
|February 10, 2024
概括
收集管中的核受体核心压缩剂1 (NCOR1) 通过控制再吸收来调节血压. 针对NCOR1可能会提供一种新的高血压治疗策略.
科学领域:
- 腎臟病學 (nephrology) 是一種醫學.
- 内分泌学 在内分泌学.
- 心血管研究研究心血管研究
背景情况:
- 核受体核心压缩剂1 (NCOR1) 与心血管疾病有关.
- 它在功能,特别是血压调节方面的特定作用仍然在很大程度上未知.
研究的目的:
- 调查收集管NCOR1在调节血压中的功能.
- 阐明NCOR1在脏中的作用背后的分子机制.
主要方法:
- 在血管激素II (Ang II) 诱导和脱氧皮质乙酸盐 (DOCA) 盐高血压模型中使用了采集管NCOR1淘汰赛 (KO) 小鼠.
- 评估血压,血管和损伤以及/体积保留.
- 检查了表皮酸盐通道 (ENaC) 子单元表达,染色体免疫沉降 (ChIP) 试验,共免疫沉降 (Co-IP) 试验和化酶记者试验.
- 研究了阿米洛里德,螺旋和MR敲击的作用.
主要成果:
- 在高血压模型中,采集管NCOR1 KO小鼠表现出高血压和恶化的损伤.
- NCOR1缺乏导致和体积保留增加,髓中ENaC子单元表达上调.
- 发现NCOR1与矿物质皮质类受体 (MR) 相互作用,抑制其在ENaC基因上的转录活性.
- 在KO小鼠中,药理抑制MR或ENaC使血压正常化.
结论:
- NCOR1与MR相互作用,调节收集管中的ENaC活性,从而调节再吸收和血压.
- 针对NCOR1是一个潜在的治疗策略,用于管理高血压中的体积和保留.
相关概念视频
Hormonal Regulation
33.1K
The renin-aldosterone system is an endocrine system which guides the renal absorption of water and electrolytes, thus managing blood pressure and osmoregulation. Activation of the system begins in the kidneys with a small cluster of cells adjacent to the afferent and efferent blood vessels of the renal corpuscle. As the nephrons are filtering blood, juxtaglomerular cells monitor blood pressure. If they detect a decrease in pressure, they release the hormone renin into the bloodstream.
33.1K
Hormonal Regulation of Blood Pressure
2.6K
Endocrinal or hormonal intervention in the cardiovascular system is predominantly exerted by the catecholamines - epinephrine and norepinephrine, as well as a slew of hormones that interact with renal function to modulate blood volume.
Epinephrine and Norepinephrine
The adrenal medulla releases epinephrine and norepinephrine, catecholamines that enhance and extend the sympathetic or "fight or flight" physiological response. These hormones escalate heart rate and the force of contraction...
Epinephrine and Norepinephrine
The adrenal medulla releases epinephrine and norepinephrine, catecholamines that enhance and extend the sympathetic or "fight or flight" physiological response. These hormones escalate heart rate and the force of contraction...
2.6K
Regulation of Sodium and Potassium
534
The regulation of sodium and potassium ion concentrations in the human body is a complex process governed primarily by hormones such as aldosterone, antidiuretic hormone (ADH), and atrial natriuretic peptide (ANP).
Sodium Regulation
Sodium ions make up approximately 90% of extracellular cations, with a normal blood plasma concentration of 136–148 mEq/L. A decrease in blood volume and pressure triggers the release of renin from granular cells in the juxtaglomerular complex (JGC), primarily...
Sodium Regulation
Sodium ions make up approximately 90% of extracellular cations, with a normal blood plasma concentration of 136–148 mEq/L. A decrease in blood volume and pressure triggers the release of renin from granular cells in the juxtaglomerular complex (JGC), primarily...
534
Renal Tubule and Collecting Duct
975
The renal tubule is divided into three parts: the proximal convoluted tubule (PCT), the Loop of Henle (LOH), and the distal convoluted tubule (DCT).
Proximal Convoluted Tubule (PCT):
The PCT is the initial segment of the renal tubule, extending from the Bowman's capsule that encloses the glomerulus. Its convoluted structure and microvilli-lined cells increase the surface area for reabsorption. The PCT reabsorbs glucose, amino acids, sodium, and water from the filtrate, ensuring essential...
Proximal Convoluted Tubule (PCT):
The PCT is the initial segment of the renal tubule, extending from the Bowman's capsule that encloses the glomerulus. Its convoluted structure and microvilli-lined cells increase the surface area for reabsorption. The PCT reabsorbs glucose, amino acids, sodium, and water from the filtrate, ensuring essential...
975
Introduction to Urinary System
2.6K
The urinary system consists of two kidneys, two ureters, the urinary bladder, and the urethra.
The kidneys are bean-shaped organs located in the retroperitoneal space, on either side of the vertebral column, between the T12 and L3 vertebrae. They are partially protected by the rib cage and surrounded by perirenal fat, which provides cushioning. They are responsible for urine formation and play critical roles in regulating blood pressure, electrolyte levels, and hormone production. The ureters...
The kidneys are bean-shaped organs located in the retroperitoneal space, on either side of the vertebral column, between the T12 and L3 vertebrae. They are partially protected by the rib cage and surrounded by perirenal fat, which provides cushioning. They are responsible for urine formation and play critical roles in regulating blood pressure, electrolyte levels, and hormone production. The ureters...
2.6K
Antihypertensive Drugs: Angiotensin II Receptor Blockers
731
In the renin-angiotensin-aldosterone system, a hormone called angiotensin II plays a crucial role. It binds to the AT1 receptors in vascular smooth muscles coupled with Gq proteins. The activation of these receptors activates an enzyme called phospholipase C, which releases two molecules: inositol trisphosphate and diacylglycerol. These molecules cause a chain reaction that leads to the phosphorylation of myosin light chains and promotes interaction between actin and myosin, leading to smooth...
731

