FEBS letters · 2021
Genome-wide analysis of the mouse LIM gene family reveals its roles in regulating pathological cardiac hypertrophy.
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Wang Fangfang, Zhao Jieqiong, Zhang Mingming, Yang Jingxiao, Zeng Guangwei
Аннотация
LIM-domain proteins have been shown to be associated with heart development and diseases. Systematic studies of LIM family members at the genome-wide level, which are crucial to further understand their functions in cardiac hypertrophy, are currently lacking. Here, 70 LIM genes were identified and characterised in mice. The expression patterns of LIM genes differ greatly during cardiac development and in the case of hypertrophy. Both Crip2 and Xirp2 are differentially expressed in cardiac hypertrophy and during heart failure. In addition, the hypertrophic state of cardiomyocytes is controlled by the relative expression levels of Crip2 and Xirp2. This study provides a foundation for further understanding of the special roles of LIM proteins in mammalian cardiac development and hypertrophy.