Abstract
The role of mast cell activation and the generation of mediator release are important factors in determining the reactivity of lung tissue during allergic reactions and asthma. In this article, the advantages of our procedure for isolating mast cells from lung tissue over other methods are discussed. Our studies have demonstrated the importance of cross talk between mast cells and other cell types that also release mediators of bronchoconstriction during activation, thus amplifying the response. In addition, it has been found that inositol phospholipid turnover in response to various mast cell mediators is enhanced in hyperresponsive lung tissue. The consequences to the contractility of the tissue of such alterations in the cellular signaling system in lung tissue are discussed.
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