Abstract

It is to be elucidated the risk-predictive role of differentially expressed fatty acid metabolismrelated genes (DE-FRGs) in dilated cardiomyopathy (DCM) and myocardial infarction. Four gene enrichment analyses defined DE-FRGs'biological functions and pathways. Three strategies were applied to identify risk biomarkers and construct a nomogram. The 4-DE-FRG correlation with immune cell infiltration, drugs, and ceRNA was explored. DE-FRGs were enriched in lipid metabolism. A risk nomogram was established by ACSL1, ALDH2, CYP27A1and PPARA, demonstrating a good ability for DCM and myocardial infarction prediction. PPARA was positively correlated with adaptive immunocytes. Thirty-five drugs are candidate therapeutic targets. A nomogram and new biological targets for early diagnosis and treatment of DCM and myocardial infarction were provided.

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