Physical exercise activates a PVN–NAc oxytocin circuit to relieve stress-induced depressive-like behaviors - Jie Xia; Yong Zou; Yuqing Cui; Sen Zhang; Konglin Huo; Wenbin Liu; Zhuochun Huang; Qiang Zhang; Zhengtang Qi; Weina Liu (Proceedings of the National Academy of Sciences, 2025)