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  • Title: Regulation of brain adrenergic receptors during aging.
    Author: Greenberg LH.
    Journal: Fed Proc; 1986 Jan; 45(1):55-9. PubMed ID: 3000836.
    Abstract:
    Recent studies in our laboratory suggest that the synthesis of alpha- and beta-adrenergic receptors in certain tissues from brain and pineal gland may be impaired with age. This decreased ability of the aged brain to synthesize adrenergic receptors may explain the loss of these receptors in selected brain regions during the aging process, as well as the reduced capacity of aged brain tissue to increase or up-regulate the density of these receptors in response to reduced noradrenergic activation of the tissues or to reduced estrogen levels. The reduced adaptability of brain adrenergic receptors, in turn, may account for the decreased ability of aged individuals to adjust their physiological responses to a changing environment.
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