id author title date pages extension mime words sentences flesch summary cache txt cord-262911-e9z00y3b Delpino, M. Victoria SARS-CoV-2 Pathogenesis: Imbalance in the Renin-Angiotensin System Favors Lung Fibrosis 2020-06-12 .txt text/plain 2806 132 38 In addition to its functions in regulating blood pressure, AngII plays a pivotal role in signaling cellular and molecular events that are considered critical in the pathogenesis of pulmonary fibrosis, such as: (i) inflammation (promoting production of proinflammatory cytokines such as IL-6, and IL-8 by macrophages), (ii) the production of reactive oxygen species (ROS) among infected-alveolar epithelial cells followed by its apoptosis, and (iii) the proliferation, migration, and differentiation of fibroblasts to myofibroblasts capable of synthesize smooth muscle alpha-actin (α-SMA) and produce extracellular matrix (collagen and fibronectin) through a mechanism mediated by autocratic trans-activation of TGF-β in the fibroblast itself (Wolf et al., 1992; Kagami et al., 1994; Jia, 2016) . In contrast, the Ang1-7 peptide, after interacting with its cellular receptor Mas, exhibits the ability to inhibit proapoptotic signaling in alveolar epithelial cells, promote autophagy, andtogether with the ACE2 receptor-counteract the profibrotic effects, reducing both TGF-β mediated collagen expression, as well as the transition from fibroblasts to myofibroblasts (Iwata et al., 2005; Zeng et al., 2009; Zhou et al., 2016) . ./cache/cord-262911-e9z00y3b.txt ./txt/cord-262911-e9z00y3b.txt