Carnosine alleviates oxidative stress to prevent cellular senescence by regulating Nrf2/HO-1 pathway: a promising anti-aging strategy for oral mucosa - He, Haoan; Lv, Chao; Xie, Yuhong; Li, Wei; Ling, Zihang; Cheng, Bin; Tao, Xiaoan (Frontiers in Pharmacology, 2025)