Fig. 2From: Therapeutic mechanisms of mesenchymal stem cells in acute respiratory distress syndrome reveal potentials for Covid-19 treatmentEffects of MSC-derived paracrine factors on ARDS. HGF hepatocyte growth factor, VEGF vascular endothelial growth factor, KGF keratinocyte growth factor, ANG-1 angiopoietin-1, AEC II type II alveolar epithelial cellsBack to article page