Article
Genetic variation within adrenergic pathways determines in vivo effects of presynaptic stimulation in humans.
Circulation - 29 Jan 2008
Fung Maple M, Nguyen Carie, Mehtani Parag, Salem Rany M, Perez Brandon, Thomas Brenda, Das Madhusudan, Schork Nicholas J, Mahata Sushil K, Ziegler Michael G, O'Connor Daniel T
Abstract excerpt
BACKGROUND: Catecholamines govern stress blood pressure responses. Catecholaminergic responses may be partially genetic and contribute to the complex heritability of hypertension. METHODS AND RESULTS: To evaluate catecholaminergic responses without systemic counterregulation, we infused graded concentrations of tyramine, an indirect presynaptic norepinephrine releaser, into dorsal hand veins of 49 normotensive...
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