DPP3 and hypertensive disorder: As early as 2016, angiotensin-(1-7) was shown to be hydrolyzed by DPP III in renal epithelial cells [2], while Pang et al. revealed a link between DPP III and the renin–angiotensin system (RAS) and, thus the potential use of DPP III in the treatment of hypertension [3].