Butyrate remodels the immune-epigenetic-gut-lung axis: Emerging mechanisms and therapeutic perspectives in asthma - Yuqia Xie; Guochun Huang; Jun Zhao; Zhicheng Yuan; Hangyu Li; Jingyi Deng; Daichi Chen; Wenlu Zhu; Gonghua Huang; Yuanhui Li; Suidong Ouyang (Seminars in Immunopathology, 2026)