PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 20007453-0 2010 Tumor necrosis factor induces matrix metalloproteinases in cardiomyocytes and cardiofibroblasts differentially via superoxide production in a PI3Kgamma-dependent manner. Superoxides 115-125 tumor necrosis factor Mus musculus 0-21 20007453-5 2010 In response to recombinant TNF (rTNF, 20 ng/ml), cardiomyocytes exhibited faster and more pronounced superoxide production compared with cardiofibroblasts, concomitant with increased expression of several MMPs. Superoxides 101-111 tumor necrosis factor Mus musculus 27-30 20007453-10 2010 We identified phosphatidylinositol 3-kinase (PI3K)gamma as a key factor in TNF-mediated events since TNF-induced superoxide production, MMP expression, and activity were significantly suppressed in cardiomyocytes and cardiofibroblasts deficient in PI3Kgamma. Superoxides 113-123 tumor necrosis factor Mus musculus 75-78 20007453-10 2010 We identified phosphatidylinositol 3-kinase (PI3K)gamma as a key factor in TNF-mediated events since TNF-induced superoxide production, MMP expression, and activity were significantly suppressed in cardiomyocytes and cardiofibroblasts deficient in PI3Kgamma. Superoxides 113-123 tumor necrosis factor Mus musculus 101-104 20007453-11 2010 We further demonstrated that the TNF-superoxide-MMP axis of events is in fact activated in heart disease in vivo. Superoxides 37-47 tumor necrosis factor Mus musculus 33-36 20007453-13 2010 Our study demonstrates that TNF triggers expression and activation of MMPs faster and stronger in cardiomyocytes than in cardiofibroblasts in a superoxide-dependent manner and via activation of PI3Kgamma, thereby contributing to adverse myocardial remodeling in disease. Superoxides 144-154 tumor necrosis factor Mus musculus 28-31