“…Furthermore, this protease is regulated by ERK pathways under inflammatory conditions (Ventura et al, 2017). In fact, ERK1 is essential for maintaining activity of furin and has been implicated as a -↑AngII!↑mechanisms involving growth factor receptors (e.g., PDGF and TGF-b receptors) !↑ERK activation cardiac and vascular hypertrophy and fibrosis (Schellings et al, 2006;Ehanire et al, 2015) -↑AngII activity in CVD!↓cell surface expression of ACE2 in an AT 1 /p38 MAPK-dependent pathway leading to protein excision and shedding (Patel et al, 2014;Xu et al, 2017) ↑AngII/AT 1 R pathway!↑MAPK signaling!↑signs of CVD -ACE2 deletion!↑NADPH oxidase activity, superoxide generation, MAPK signaling and inflammatory cytokine production in the aorta of mice receiving AngII (Jin et al, 2012) -↑ACE2/Ang-(1-7)pathway!↓AngII-induced inflammation in cardiac tissue and in hypothalamic cardiovascular centers, cardiac remodeling, and hypertension (Grobe et al, 2007;Sriramula et al, 2011) ↑ACE2/Ang(1-7) pathway!↓MAPK signaling!↓ inflammation!amelioration of CVD -ACE2 overexpression !↓TNF-a, IL-1b, and IL-6 in and ↑antiinflammatory cytokine IL-10 in autoimmune myocarditis (Sukumaran et al, 2011) Contribution of MAPK signaling to CVD -Erk1/2. JNK, and p38 MAPK activation !↑cardiomyopathic remodeling (Wang, 2007) -Pressure overload!↑Ras/c-RAF/MKK1/ERK1/2 pathway!cardiac hypertrophy, ↑cardiomyocyte size, diastolic dysfunction, and myofibril disarray (Hunter et al, 1995) -ERK1/2 !↑ c-Fos !↑ GLUT1 transporter expression in hypertrophic and ischemic heart (Babu et al, 2000) (Santalucia et al, 2003) (Shao and Tian, 2015) -MAPK pathway activation!progressive endothelial dysfunction (Huang et al, 2012) -Oxidized LDL!↑ MAPK pathway activation!↑GM-CSF!↑macrophage infiltration of atherosclerotic plaques (Proctor et al, 2007;Muslin, 2008) -↑MAPK pathway activation!↑interleukins and TNFa!↑atherosclerotic lesion progression (Bachstetter and Van Eldik, 2010;De Souza et al, 2014) -TNFa!↑ERK1/2 activity!↑MMP9 !↑fibrotic lesion formation (Cheng et al, 2012;Zhang et al, 2017) -Viral infection!↑IL-1, TNFa, IL-6!↑p38 MAPK and JNK !↑viral cardiomyopathy (Monsuez et al, 2007;Wang et al, 2014;…”