CRTC2 activation in the suprachiasmatic nucleus, but not paraventricular nucleus, varies in a diurnal fashion and increases with nighttime light exposure.
Highland JA, Weiser MJ, Hinds LR, Spencer RL. CRTC2 activation in the suprachiasmatic nucleus, but not paraventricular nucleus, varies in a diurnal fashion and increases with nighttime light exposure. Am J Physiol Cell Physiol. 2014 Oct 01; 307(7):C611-21.