 The study investigated the effect of allopollosaccharide, AP, on ultraviolet B, UVB, injured nerve cells using BALB, C-female mice and NFG-activated PC-12 cells as models, finding that AP improved cell viability, proliferation, and inhibited apoptosis through the KEEP-1-NIF-2-HAR signal pathway. This article was authored by Lingling Yuan, Xingwu Duan, Ruanqian Zhong, and others.