Article
Cardiac-specific overexpression of a high Ca2+ affinity mutant of SERCA2a attenuates in vivo pressure overload cardiac hypertrophy.
FASEB journal : official publication of the Federation of American Societies for Experimental Biology - 1 Jan 2003
Nakayama Hiroyuki, Otsu Kinya, Yamaguchi Osamu, Nishida Kazuhiko, Date Moto-o, Hongo Kenichi, Kusakari Yoichiro, Toyofuku Toshihiko, Hikoso Shungo, Kashiwase Kazunori, Takeda Toshihiro, Matsumura Yasushi, Kurihara Satoshi, Hori Masatsugu, Tada Michihiko
Abstract excerpt
In cardiomyocytes, calcium plays important roles as a signal in cardiac hypertrophy and contraction-relaxation cycling. Elevation of Ca2+ concentration in myoplasm is associated with the onset and progression of hypertrophy as well as the enhancement of contractility. The cardiac Ca2+ ATPase (SERCA2a) of the sarcoplasmic reticulum plays a dominant role in lowering cytoplasmic calcium levels during relaxation and...
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