IL1B and pulmonary arterial hypertension: 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).