We also screened TFs (FOXC1, FOXL1, GATA2, YY1, and SRF) and miRNAs (hsa-mir-17-5p, hsa-mir-26b-5p, hsa-mir-122-5p, hsa-mir-20a-5p, and hsa-mir-106b-5p) regulating the expression of DEGs in PAH. Here, FOXC1 is linked to pulmonary arterial hypertension.