Deciphering cellular complexity: advances and future directions in single-cell protein analysis - Zhao, Qirui; Li, Shan; Krall, Leonard; Li, Qianyu; Sun, Rongyuan; Yin, Yuqi; Fu, Jingyi; Zhang, Xu; Wang, Yonghua; Yang, Mei (Frontiers in Bioengineering and Biotechnology, 2025)