文章摘要
Ping Liao,Tuck Wah Soong.[J].南京医科大学学报,2010,(3):181~186
Understanding alternative splicing of Cav1.2 calcium channels for a new approach towards individualized medicine
投稿时间:2010-03-29  
DOI:10.7655
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作者单位
Ping Liao National Neuroscience Institute, 11 Jalan Tan Tock Seng, Singapore 308433 
Tuck Wah Soong National Neuroscience Institute, 11 Jalan Tan Tock Seng, Singapore 308433
Department of Physiology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 117597 
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      Calcium channel blockers (CCBs) are widely used to treat cardiovascular diseases such as hypertension, angina pectoris, hypertrophic cardiomyopathy, and supraventricular tachycardia. CCBs selectively inhibit the inward flow of calcium ions through voltage-gated calcium channels, particularly Cav1.2, that are expressed in the cardiovascular system. Changes to the molecular structure of Cav1.2 channels could affect sensitivity of the channels to blockade by CCBs. Recently, extensive alternative splicing was found in Cav1.2 channels that generated wide phenotypic variations. Cardiac and smooth muscles express slightly different, but functionally important Cav1.2 splice variants. Alternative splicing could also modulate the gating properties of the channels and giving rise to different responses to inhibition by CCBs. Importantly, alternative splicing of Cav1.2 channels may play an important role to influence the outcome of many cardiovascular disorders. Therefore, the understanding of how alternative splicing impacts Cav1.2 channels pharmacology in various diseases and different organs may provide the possibility for individualized therapy with minimal side effects.
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