CITED2 and idiopathic pulmonary arterial hypertension: In the present study, we detected attenuated expression of CITED2 and the transcription factor Forkhead Box J3 (FOXJ3) in both hypoxia and SU5416/hypoxia (Su/Hx)‐induced PH models, as well as PASMCs from idiopathic PAH (iPAH) patients [19].