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Mean data showing that hindlimb intra-arterial (IA) infusion of 4-hydroxy-2,2,6,6-tetramethyl piperidine 1-oxyl (Tempol) did not affect the pressor [mean arterial pressure (MAP); A] and cardioacceleration [heart rate (HR); B] responses to injection of either capsaicin [Cap, transient receptor potential vanilloid 1 (TRPV1) agonist; 0.1 or 1.0 μg/kg] or α,β-methylene ATP (ATP, P2X agonist; 10, 40 μg/kg) in decerebrate rats. Values are means ± SE; n = 10/group. bpm, Beats per minute.
