We show that miR‐483 targets the 3′‐UTR of multiple genes implicated in PAH, including those involved in TGF‐β signaling (e.g., TGF‐β, TGFBR2), inflammation (e.g., IL‐1β), and vasoconstriction (e.g., ET‐1). This evidence concerns the gene TGFBR2 and pulmonary arterial hypertension.