期刊
SCIENTIFIC REPORTS
卷 11, 期 1, 页码 -出版社
NATURE PORTFOLIO
DOI: 10.1038/s41598-021-94169-6
关键词
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资金
- Ministry of Education, Culture, Sports, Science and Technology of Japan [18K08046]
- JMU start-up award from Jichi Medical University
- Grants-in-Aid for Scientific Research [18K08046] Funding Source: KAKEN
ICG001 prevents cardiac hypertrophy and fibrosis by inhibiting beta-catenin-mediated gene transcription, regulating gene expression and immune activation pathways, possibly mediating the glycolysis pathway, and altering oxidative stress.
In heart failure (HF) caused by hypertension, the myocyte size increases, and the cardiac wall thickens. A low-molecular-weight compound called ICG001 impedes beta-catenin-mediated gene transcription, thereby protecting both the heart and kidney. However, the HF-preventive mechanisms of ICG001 remain unclear. Hence, we investigated how ICG001 can prevent cardiac hypertrophy and fibrosis induced by transverse aortic constriction (TAC). Four weeks after TAC, ICG001 attenuated cardiac hypertrophy and fibrosis in the left ventricular wall. The TAC mice treated with ICG001 showed a decrease in the following: mRNA expression of brain natriuretic peptide (Bnp), Klf5, fibronectin, beta-MHC, and beta-catenin, number of cells expressing the macrophage marker CD68 shown in immunohistochemistry, and macrophage accumulation shown in flow cytometry. Moreover, ICG001 may mediate the substrates in the glycolysis pathway and the distinct alteration of oxidative stress during cardiac hypertrophy and HF. In conclusion, ICG001 is a potential drug that may prevent cardiac hypertrophy and fibrosis by regulating KLF5, immune activation, and the Wnt/beta-catenin signaling pathway and inhibiting the inflammatory response involving macrophages.
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