SERPINA12 and pulmonary arterial hypertension: Sakamoto et al. [31] examined the effects of vaspin (1μg/kg/day, 14 days, n = 4) treatment on MCT-induced rise in pulmonary arterial hypertension (PA) pressure and RV to body weight ratio (RV/BW), and demonstrated that vaspin significantly attenuate the rise in PA pressure but have no effect on the body weight.