Muscle, Reactive Oxygen Species - metabolism, Mitogen-Activated Protein Kinases - metabolism, Mitogen-Activated Protein Kinase 1 - metabolism, Vascular - cytology, Onium Compounds - pharmacology, Mitogen-Activated Protein Kinases - antagonists & inhibitors, Smooth, Mitogen-Activated Protein Kinases - physiology, NADH, NADPH Oxidoreductases - metabolism, Pyri...