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2022

Faculty and Student Publications

AGE/RAGE signaling

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Rap1a Activity Elevated The Impact Of Endogenous Ages In Diabetic Collagen To Stimulate Increased Myofibroblast Transition And Oxidative Stress, Stephanie D. Burr, Christopher C. Dorroh, James A. Stewart May 2022

Rap1a Activity Elevated The Impact Of Endogenous Ages In Diabetic Collagen To Stimulate Increased Myofibroblast Transition And Oxidative Stress, Stephanie D. Burr, Christopher C. Dorroh, James A. Stewart

Faculty and Student Publications

Diabetics have an increased risk for heart failure due to cardiac fibroblast functional changes occurring as a result of AGE/RAGE signaling. Advanced glycation end products (AGEs) levels are higher in diabetics and stimulate elevated RAGE (receptor for AGE) signaling. AGE/RAGE signaling can alter the expression of proteins linked to extracellular matrix (ECM) remodeling and oxidative stressors. Our lab has identified a small GTPase, Rap1a, that may overlap the AGE/RAGE signaling pathway. We sought to determine the role Rap1a plays in mediating AGE/RAGE changes and to assess the impact of isolated collagen on further altering these changes. Primary cardiac fibroblasts from …