STAT3 and pulmonary arterial hypertension: The miR-130/301 family expression levels are increased in pulmonary hypertension, resulting in a decrease in miR-204, miR-322 and miR-503 via peroxisome proliferator-activated receptor gamma (PPARG) and signal transducer and activator of transcription 3 (STAT3) (Bertero et al., 2014).