NAD+ metabolism enzyme NNMT in cancer-associated fibroblasts drives tumor progression and resistance to immunotherapy by modulating macrophages in urothelial bladder cancer ============================================================================================================================================================================ * Meihua Yang * Bo Wang * Weibin Hou * Honghui Zeng * Wang He * Xin-Ke Zhang * Dong Yan * Hao Yu * Long Huang * Lu Pei * Kaiwen Li * Haide Qin * Tianxin Lin * Jian Huang