Catecholamines and cardiovascular function in aging

Research output: Contribution to journalReview articlepeer-review

Abstract

When perspectives from studies that range from measurements of the stress response in intact humans to measurements of subcellular biochemistry in animal models are integrated, a diminished responsiveness to β-adrenergic modulation is among the most notable changes that occur in the cardiovascular system with advancing age. In contrast, α-adrenergic responsiveness, of the vasculature at least, appears to remain intact. It is noteworthy that a diminished effectiveness of some aspects of autonomic modulation has been demonstrated in many other body organs as well. The precise molecular mechanisms for the age effects remain to be explained (as do the precise mechanism of catecholamine modulation of cell function per se), and these mechanisms need not to be the same from one tissue to the next, or from one age period to another within the same tissue. An elucidation of these mechanisms that result in a diminuation in the effectiveness of β-adrenergic modulation of cardiovascular function with aging and a determination of whether this can in part be reversed or prevented by changes in life-style (for example, physical activity or modification of nutrition) require additional investigation.

Original languageEnglish (US)
Pages (from-to)877-891
Number of pages15
JournalEndocrinology and metabolism clinics of North America
Volume16
Issue number4
DOIs
StatePublished - 1987
Externally publishedYes

ASJC Scopus subject areas

  • Endocrinology, Diabetes and Metabolism
  • Endocrinology

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