{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"submitter":["Ceccato TL"],"funding":["NIDDK NIH HHS","NHLBI NIH HHS","NIGMS NIH HHS"],"pagination":["e017025"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC7792426"],"repository":["biostudies-literature"],"omics_type":["Unknown"],"volume":["9(19)"],"pubmed_abstract":["Background Cardiac fibroblasts (CFs) have the ability to sense stiffness changes and respond to biochemical cues to modulate their states as either quiescent or activated myofibroblasts. Given the potential for secretion of bioactive molecules to modulate the cardiac microenvironment, we sought to determine how the CF secretome changes with matrix stiffness and biochemical cues and how this affects cardiac myocytes via paracrine signaling. Methods and Results Myofibroblast activation was modulated in vitro by combining stiffness cues with TGFβ1 (transforming growth factor β 1) treatment using engineered poly (ethylene glycol) hydrogels, and in vivo with isoproterenol treatment. Stiffness, TGFβ1, and isoproterenol treatment increased AKT (protein kinase B) phosphorylation, indicating that t"],"journal":["Journal of the American Heart Association"],"pubmed_title":["Defining the Cardiac Fibroblast Secretome in a Fibrotic Microenvironment."],"pmcid":["PMC7792426"],"funding_grant_id":["P30 DK048520","R01 HL132353","T32 GM065103","R01 GM029090"],"pubmed_authors":["Hall JK","Killgore JP","Brown TE","Starbuck RB","Anseth KS","Leinwand LA","Ceccato TL","Walker CJ"],"additional_accession":[]},"is_claimable":false,"name":"Defining the Cardiac Fibroblast Secretome in a Fibrotic Microenvironment.","description":"Background Cardiac fibroblasts (CFs) have the ability to sense stiffness changes and respond to biochemical cues to modulate their states as either quiescent or activated myofibroblasts. Given the potential for secretion of bioactive molecules to modulate the cardiac microenvironment, we sought to determine how the CF secretome changes with matrix stiffness and biochemical cues and how this affects cardiac myocytes via paracrine signaling. Methods and Results Myofibroblast activation was modulated in vitro by combining stiffness cues with TGFβ1 (transforming growth factor β 1) treatment using engineered poly (ethylene glycol) hydrogels, and in vivo with isoproterenol treatment. Stiffness, TGFβ1, and isoproterenol treatment increased AKT (protein kinase B) phosphorylation, indicating that t","dates":{"release":"2020-01-01T00:00:00Z","publication":"2020 Oct","modification":"2025-04-18T17:03:12.863Z","creation":"2025-04-07T04:32:00.668Z"},"accession":"S-EPMC7792426","cross_references":{"pubmed":["32924724"],"doi":["10.1161/JAHA.120.017025"]}}