天津医药 ›› 2015, Vol. 43 ›› Issue (7): 813-818.doi: 10.11958/j.issn.0253-9896.2015.07.031

• 综述 • 上一篇    下一篇

CaMKⅡ 在心血管疾病中作用的研究进展

王普,刘衍恭,郑明奇   

  1. 河北医科大学第一医院心内 1

  • 收稿日期:2014-10-21 修回日期:2014-12-29 出版日期:2015-07-15 发布日期:2015-07-15
  • 通讯作者: 郑明奇△ E-mail:mzheng2020@163.com
  • 基金资助:
    国家自然科学基金;中国博士后科学基金面上资助;河北省科技计划项目

Research progress on the role of CaMKⅡ in cardiovascular disease

WANG Pu, LIU Yangong, ZHENG Mingqi   

  1. the 1 st Hospital of Hebei Medical University, Shijiazhuang

  • Received:2014-10-21 Revised:2014-12-29 Published:2015-07-15 Online:2015-07-15
  • Contact: ZHENG Mingqi△ E-mail:mzheng2020@163.com

摘要: 钙离子/钙调素依赖性蛋白激酶Ⅱ(CaMKⅡ)具有多重作用,并在心血管事件中有着举足轻重的地位。特别是其可以作用于多种分子信号通路中的下游靶点,促进血管疾病、心衰、心肌肥厚和心律失常发生发展。CaMKⅡ通过磷酸化L型钙通道,兰尼碱受体(RyR2)和受磷蛋白(PLN)等多种钙调蛋白能够影响心肌细胞钙平衡、增加钙渗漏,亦可影响钠通道及钾通道,调节晚钠电流及ATP敏感性钾电流IKATP。此外更可直接通过激活丝裂原活化蛋白激酶(MAPKs)及脱乙酰化酶(HDAC)影响心肌细胞转录调控。而这些机制在心肌肥厚、心力衰竭、心律失常的发生发展中都有着重要作用。因此深入了解CaMKⅡ的结构与作用机制将有助于制定新的心血管疾病治疗策略。

关键词: 钙-钙调素依赖性蛋白激酶 2 型, 钠通道, 兰尼碱受体钙释放通道, 心力衰竭, 心律失常, 心性, 综述

Abstract: Calcium/Calmodulin-Dependent Protein KinaseⅡ (CaMKⅡ)has multiple function which made it play a central role in cardiovascular disease. Especially it activates numerous downstream targets in various signaling pathways that promotes vascular disease,heart failure, myocardial hypertrophy and arrhythmias. CaMKⅡ can impact calcium balance and increase calcium leak in myocardial cell via phosphorylating L type calcium channel, Ryanodine receptor (RyR2) and phospholamban (PLN), and regulate ATP sensitive potassium current (IKATP) and late sodium current by affect sodium channels and potassium channels . In addition, It will directly regulate transcription via activating the silk crack the original activated protein kinases (MAPKs) and acetylation enzyme (HDAC). These mechanisms has important roles in myocardial hypertrophy and heart failure, arrhythmia. So weWe focus to demonstrating the structure and action mechanism of CaMKⅡ to improve a new therapy of cardiovascular disease.

Key words: calcium- calmodulin- dependent protein kinase type 2, sodium channels, ryanodine receptor calcium release channel, heart failure, arrhythmias, cardiac, review