alexa Autosomal recessive inheritance of airway hyperreactivity to 5-hydroxytryptamine.
Toxicology

Toxicology

Journal of Drug Metabolism & Toxicology

Author(s): Levitt RC, Mitzner W, Levitt RC, Mitzner W

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Abstract We have previously reported that airway hyperresponsiveness to acetylcholine (ACh) is inherited as an autosomal recessive trait in A/J and C3H/HeJ mice and the progeny of crosses between them (FASEB J. 2: 2605-2608, 1988). In the present report, we have extended these studies by evaluating the biological variability in the airway response to 5-hydroxytryptamine (5-HT) and ACh among multiple genetically standardized inbred strains of mice. The pattern of airway responsiveness to ACh differed significantly from that of 5-HT in nine inbred strains of mice. A/J mice showed nonspecific airway hyperresponsiveness to both 5-HT and ACh. DBA/2J mice were hyperresponsive to 5-HT but not to ACh. An airway phenotype that resembled these inbred strains is termed HYPERREACTIVE. The C3H/HeJ and C57BL/6J inbred strains were minimally reactive to either ACh or 5-HT. Airway phenotypes that resembled these minimally reactive strains are termed HYPOREACTIVE. The frequency of HYPERRACTIVE and HYPOREACTIVE offspring from crosses between A/J and C3H/HeJ mice or DBA/2J and C57BL/6J mice is consistent with a single autosomal recessive gene, primarily determining airway hyperresponsiveness to 5-HT. We report linkage studies which suggest that these genes are not closely linked and that 5-HT and ACh airway hyperresponsiveness is inherited independently. The results of these studies suggest that murine nonspecific airway hyperresponsiveness is determined by multiple genes.
This article was published in J Appl Physiol (1985) and referenced in Journal of Drug Metabolism & Toxicology

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