Abstract
The purpose of this work is to investigate the expression of S100A4 and P53 and their correlation with myocardial collagen fibers in hypertrophic cardiomyopathy (HCM). Myocardial tissue obtained from 10patients undergoing HCM surgery (HCM group) was compared to myocardial tissue obtained from 10traffic accident deaths (healthy control group). Collagen volume fractions were visualized and compared using sirius red F3B(SR) staining. Immunohistochemistry S-P and in situ hybridization techniques were used to test the different expressions of S100A4, P53 proteins, and their mRNA. Imaging and statistical methods were used for quantitative analysis. The collagen volume fraction in the HCM group was significantly higher than that in the control group. The integral optical density values of S100A4 and P53 in cardiomyocytes of the HCM group were also significantly higher than in the control group. The increased content of collagen fibers and overexpression of S100A4 and P53 may play an important role in myocardial fibrosis of HCM, and they can be used in future HCM research. Blockade of S100A4 may have therapeutic potential in HCM by attenuating cardiac fibrosis.
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