Commentary: ATP: The crucial component of secretory vesicles: Accelerated ATP/insulin exocytosis and prediabetes - Duvoor, Chitharanjan; Dendi, Vijaya S.; Marco, Asween; Shekhawat, Nawal S.; Chada, Aditya; Ravilla, Rahul; Musham, Chaitanya K.; Mirza, Wasique; Chaudhury, Arun (Frontiers in Physiology, 2017)