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Prevalence of Cardiovascular Disease by Race. American Heart Association. Prevalence of Cardiovascular Disease. American Heart Association. Clinical Lesion. Fatty Steaks. Clean Artery. Fibrous Plaque. NATURAL HISTORY OF ATHEROSCLEROSIS. Lumen. Subendothelial Space. Anti-Adhesion
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Prevalence of Cardiovascular Disease by Race American Heart Association
Prevalence of Cardiovascular Disease American Heart Association
Clinical Lesion Fatty Steaks Clean Artery Fibrous Plaque NATURAL HISTORY OF ATHEROSCLEROSIS
Lumen Subendothelial Space
Anti-Adhesion Anti-Coagulation Fibrinolysis Blood Flow Insulin Acetylcholine Lumen ↑NO PI-3 kinase eNOS NADPH Nitric Oxide L-arginine O2 NO BH4 ↑NO Subendothelial Space Vasodilation
Anti-Adhesion Anti-Coagulation Fibrinolysis Blood Flow Insulin Acetylcholine Oxidative Stress Lumen ↑NO PI-3 kinase O2- eNOS NADPH L-arginine O2 NO BH4 ONOO- ↑NO Subendothelial Space Vasodilation
Anti-Adhesion Anti-Coagulation Fibrinolysis Blood Flow Insulin Acetylcholine Oxidative Stress ↓NO PI-3 kinase O2- eNOS NADPH L-arginine O2 NO BH4 ONOO- ↓NO Subendothelial Space Vasodilation
Anti-Adhesion Anti-Coagulation Fibrinolysis Blood Flow Insulin Acetylcholine Oxidative Stress ↓NO PI-3 kinase O2- eNOS NADPH L-arginine O2 NO BH4 ONOO- ↓NO Subendothelial Space Vasoconstriction
Anti-Adhesion Anti-Coagulation Fibrinolysis Blood Flow Insulin Acetylcholine Oxidative Stress ↓NO PI-3 kinase O2- eNOS NADPH L-arginine O2 NO O2- BH4 ONOO- ↓NO Subendothelial Space Vasoconstriction
ENDOTHELIAL FUNCTION VASODILATION
Shear Stress eNOS Oxygen L-Arginine NADPH Nitric Oxide Cofactors VASODILATION PI-3-Kinase
Shear Stress ↓Ca++ eNOS cGMP Oxygen L-Arginine NADPH Nitric Oxide NO Cofactors VASODILATION i PI-3-Kinase
Pre ARTERIAL HEALTH Flow-Mediated Dilation
Post Pre 4.1 mm 4.7 mm ARTERIAL HEALTH Pre Flow-Mediated Dilation = 8%
Faulx, et al, American Heart Journal 145:943-951, 2003 Iiyama, et al. American Heart Journal 132:779-782, 1996 Hashimoto, et al. International Journal of Obesity: RelarMetabDisord 22:477-484, 1998. Caballero, A.E., Obesity Research 11:1278-1289, 2003. Celermajer,et al. J Am CollCardiol 24:471-476, 1994.
Apparently Healthy Hasimoto, et al. Circulation 92:3431-3435, 1995.
Children Woo, et al, International Journal of Obesity 28:852-857, 2004
Aging Celermajer,et al. J Am Coll Cardiol 24:471-476, 1994.
Overweight & Obesity Hashimoto, et al. International Journal of Obesity: Relar Metab Disord 22:477-484, 1998.
Hypertension Iiyama, et al. American Heart Journal 132:779-782, 1996
Diabetes Caballero, A.E., Obesity Research 11:1278-1289, 2003.
Anti-Adhesion Anti-Coagulation Fibrinolysis Blood Flow Insulin Resistance Acetylcholine Lumen ↑NO PI-3 kinase eNOS NADPH L-arginine O2 NO BH4 ↑NO Subendothelial Space Vasodilation
Anti-Adhesion Anti-Coagulation Fibrinolysis Blood Flow Insulin Acetylcholine Lumen ↓NO PI-3 kinase eNOS NADPH L-arginine O2 NO BH4 ↑NO Subendothelial Space Vasodilation
Anti-Adhesion Anti-Coagulation Fibrinolysis Blood Flow Insulin Acetylcholine Lumen ↓NO PI-3 kinase eNOS NADPH L-arginine O2 NO BH4 ↓NO Subendothelial Space Vasoconstriction
Endothelial Function of Smokers Celemajer, D, et al Circulation 88:2149-2155, 1999
Endothelial Function of Smokers Celemajer, D, et al Circulation 88:2149-2155, 1999
OXIDATIVE STRESS IN OBESITY Davi, et al. JAMA 288:2008-2014, 2002
OXIDATIVE STRESS FOLLOWING MAXIMAL EXERCISE Vincent, et al. Med Sci Sport Sci, 37:213-219, 2005.
Triglyceride Storage Triglyceride Release Adipocyte Resistin Leptin TNF - α Agiotensin Adiponectin Plasminogen activator inhibitor
Tsai, et al. Clinical Science 106:315-319, 2004 Anderson, et al, Atherosclerosis 154:475-483, 2001 Ceriello, et al, Circulation 106:1211-1218, 2002
↑FFA Β Oxidation TCA Cycle ↑Electron Donors NAD+ ↑ NADH+H+ ↑ O2- ↑FADH2 FAD Complex I e- Complex IV e- Complex II Q- Complex III e- e- Electron Transport Chain
EXERCISE IMPROVES ENDOTHELIAL FUNCTION Hamby et al, Diabetes Care 26:2119-2125, 2003 Watts, et al, Journal Pediatrics 144:620-625, 2004 Walsh, et al, JAP 95:20-25, 2003