Elevated PD-1/CD28 ratio rather than PD-1 expression in CD8+ T cells predicts nosocomial infection in sepsis patients: a prospective, observational cohort study
Serous exosomal circEZH2_005 serves as diagnosis biomark of intestinal injury after ischemia reperfusion, and alleviates intestinal injury after ischemia reperfusion by mediating hnRNPA1/Gprc5a signaling pathway