Fig. 2From: Is there a place for mesenchymal stromal cell-based therapies in the therapeutic armamentarium against COVID-19?Mesenchymal stromal cells (MSCs) and immune modulation in COVID-19. DC, dendritic cell; IFN-γ, interferon-γ; IL, interleukin; TGF-β, transforming growth factor-β; TNF, tumor necrosis factor; Treg, regulatory T cellBack to article page