Fig. 5From: Safety and efficacy of umbilical cord tissue-derived mesenchymal stem cells in the treatment of patients with aging frailty: a phase I/II randomized, double-blind, placebo-controlled studyChanges in the levels of inflammatory cytokines from baseline to 6-month after intravenous infusion in the MSCs group and placebo group. A Tumor necrosis factor-α (TNF-α); B Interleukin-17 (IL-17). C Interleukin-8 (IL-8). D Interferon-γ (INF-γ). †p < 0.05 vs placeboBack to article page