کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
8474642 | 1550429 | 2014 | 10 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Intracellular Na+ overload causes oxidation of CaMKII and leads to Ca2Â + mishandling in isolated ventricular myocytes
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کلمات کلیدی
موضوعات مرتبط
علوم زیستی و بیوفناوری
بیوشیمی، ژنتیک و زیست شناسی مولکولی
بیولوژی سلول
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Intracellular Na+ overload causes oxidation of CaMKII and leads to Ca2Â + mishandling in isolated ventricular myocytes Intracellular Na+ overload causes oxidation of CaMKII and leads to Ca2Â + mishandling in isolated ventricular myocytes](/preview/png/8474642.png)
چکیده انگلیسی
An increase of late Na+ current (INaL) in cardiac myocytes can raise the cytosolic Na+ concentration and is associated with activation of Ca2Â +/calmodulin-dependent protein kinase II (CaMKII) and alterations of mitochondrial metabolism and Ca2Â + handling by sarcoplasmic reticulum (SR). We tested the hypothesis that augmentation of INaL can increase mitochondrial reactive oxygen species (ROS) production and oxidation of CaMKII, resulting in spontaneous SR Ca2Â + release and increased diastolic Ca2Â + in myocytes. Increases of INaL and/or of the cytosolic Na+ concentration led to mitochondrial ROS production and oxidation of CaMKII to cause dysregulation of Ca2Â + handling in rabbit cardiac myocytes.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Molecular and Cellular Cardiology - Volume 76, November 2014, Pages 247-256
Journal: Journal of Molecular and Cellular Cardiology - Volume 76, November 2014, Pages 247-256
نویسندگان
Serge Viatchenko-Karpinski, Dmytro Kornyeyev, Nesrine El-Bizri, Grant Budas, Peidong Fan, Zhan Jiang, Jin Yang, Mark E. Anderson, John C. Shryock, Ching-Pin Chang, Luiz Belardinelli, Lina Yao,