Increasing S1P promotes M1 macrophage in chronic obstructive pulmonary disease and chronic obstructive pulmonary disease-obstructive sleep apnea overlap syndrome via S1PR1/HDAC1 signaling

Ruoxuan Hei, Xiuping Wu, Tongtong Zhang, Min Zhang, Yue Huang, Zhou Zhou, Wendi Xiao, Wen Ai, Yanwei Chen