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  • Journal
    Digital Access TandFonline v. 1-27, 1972-2011.
    Print Access
    Location
    Version
    Call Number
    Items
    Periodicals (Downstairs)
    v. 14-16, [17], 18-19, [20], 21-22, 1997-2000 [2001], 2002-03, [2004], 2005-06.
    15
    Request
    Stored offsite. Please request print.
    v. 1-13, 1972-96.
    17
    Request
  • Article
    Kneussl MP, Richardson JB.
    J Appl Physiol Respir Environ Exerc Physiol. 1978 Aug;45(2):307-11.
    We studied the reactions of human tracheal and bronchial smooth muscle and canine trachealis muscle to adrenergic agonists. Human tissue was obtained from recent autopsies of patients with normal lungs and patients with respiratory disorders, and canine tissue was obtained from animals used in other experiments. The muscle was mounted in tissue baths fitted with platinum wire electrodes and the mechanical activity was recorded. Norepinephrine added to the normal human or canine tissue in concentrations up to 10(-5) M caused no reaction. In the normal human and in the dog, pretreatment with histamine or KCl changed this response and when norepinephrine was added the tissue contracted. This contraction was blocked by phentolamine or N,N'-bis-(O-methoxybenzylaminohexyl)-cystamine tetrahydrochloride (BHC). In diseased tissue, the addition of norepinephrine resulted in a contraction that was blocked by phentolamine or BHC and no pretreatment with histamine or KCl was required. These findings demonstrate alpha-receptors in human and canine airway smooth muscle, and there is a difference between normal and diseased human tissue in the reaction of these tissues to alpha-adrenergic agonists.
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