Beta-adrenoceptor desensitization in a model of experimental asthma in guinea-pigs.


We investigated the possible occurrence of the desensitization of pulmonary beta-receptors in a model of experimental asthma such as the ovalbumin sensitized guinea-pig. Although some differences were observed between normal and asthmatic guinea-pigs, the desensitization procedure (isoproterenol (ISO) 10(-6) M x 20 min x 2) markedly impaired the relaxing… (More)


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