DNM1L and pulmonary arterial hypertension: The study of Drp1’s various pathways in mitochondrial dynamics (such as Drp1 phosphorylation activation, decomposition of GTP to Drp1 self-assembly, and Drp1 binding ligand localization to mitochondria) can inhibit mitochondrial fission and reverse the process of PAH development by targeting relevant targets and pathways.