The autonomic nervous system is the crucial link between the brain and the cardiovascular system. It is the final common pathway by which central disturbances--whether initiated by exogenous psychological or physical stress, or endogenous biochemical or structural perturbation--are translated into alterations in cardiac and vascular function. There is compelling evidence that disordered autonomic engagement of the heart and vasculature contributes importantly to many of the most devastating forms of cardiovascular disease: arrhythmias, sudden death, hypertension, myocardial infarction and stroke. The goal of the Program is to achieve better understanding of how the brain exerts control over the autonomic nervous system and how the latter expresses that control onto effector tissues, through the integrating theme of autonomic cardiovascular regulation. The rationale for the program is the tightly coordinated testing of hypotheses addressing autonomic modulation of cardiovascular function in health and disease. Component projects address central and peripheral autonomic mechanisms, employing primarily integrated, but occasionally, reductionist approaches. The roles of renin, adenosine and adrenoreceptor effector systems and their contributions to autonomic engagement and effect are examined. The programmatic approach will facilitate the bidirectional transfer of information between the laboratory and the clinic because it brings together investigators with a wide range of skills who have a track record of discovering new fundamental knowledge and applying it to the creation of practical applications. The Program should lead directly to improved therapy in cardiovascular disease.
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