Scheme 1. Analysis of AD-MSCs bio-molecular pathway and potential mechanism in COVID-19-induced pneumonia. Abbreviations: ESC, epidermal stem cells; PGE2, prostaglandin E2; LIF, leukemia-inhibiting factor, LIF; ECM, extracellular matrix; TGF-1, transforming growth factor-1; HGF, hepatocyte growth factors; INF-γ, interferon-γ; VEGF, vascular endothelial growth factor; PDGF, platelet-derived growth factors; GFs, growth factors.
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