ArticleScientific reports2025
CDC6 as early biomarker for myocardial infarction with acute cellular senescence and repair mechanisms.
Article in Scientific reports, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
We aimed to the exploration of genes related to the cell cycle and the mechanisms of cardiac cell repair and senescence post-MI. The sequencing dataset of myocardial infarction in mice (GSE161427) was downloaded from the Gene Expression Omnibus (GEO) database, yielding 894 upregulated differentially expressed genes (DEGsup). Additionally, 494 senescence-related genes (SRGs) were obtained from the CellAge database. The overlapping differentially expressed genes (DEupSGs) between these two sets were identified using the R software. WGCNA using the GSE59867 dataset revealed a highly related module to MI. The intersection of core genes from the purple module and DEupSGs yielded 12 genes. Through machine learning and PPI analysis, two target genes related to MI and cellular senescence were identified: CDC6 and PLK1. ROC curve analysis using the MI animal myocardial sample dataset GSE775 and the patient blood sample dataset GSE60993 indicated that CDC6 expression has high diagnostic value for MI and cellular senescence, with differential expression levels at various times post-infarction.These results show that CDC6 is specifically upregulated in the early stages of MI, and both in vivo and ex vivo model results are consistent with bioinformatics findings. Additionally, overexpression of CDC6 in the early oxygen-glucose deprivation (OGD) model in vitro increased the expression of genes mediating cardiac repair. Interestingly, when ABT263 was used to clear senescent cells, the expression of genes mediating repair in primary cardiac cells decreased, suggesting that acute ischemic hypoxia early on, CDC6-mediated acute cardiac cell senescence may promote early cardiac repair. This finding may provide new insights into the monitoring and assessment of cardiac cell senescence and repair in the early stages of MI.
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