Title : Leukotrienes, IL-13, and chemokines cooperate to induce BHR and mucus in allergic mouse lungs.

Pub. Date : 2003 Feb

PMID : 12388339






2 Functional Relationships(s)
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1 Instilled intratracheally, these chemokines induced BHR and mucus accumulation, which were inhibited by the 5-lipoxygenase inhibitor zileuton and by the cysteinyl-LT receptor antagonist MK-571, suggesting mediation by cysteinyl-LT. Because these chemokines also induced release of LT into the bronchoalveolar lavage fluid and IL-13 into the lungs, we hypothesize that LT- and chemokine-based loops for positive-feedback regulations cooperate to maintain and amplify BHR and lung mucus accumulation after allergic challenge and in situations where IL-13, LT, or chemokines are generated. zileuton interleukin 13 Mus musculus
2 Instilled intratracheally, these chemokines induced BHR and mucus accumulation, which were inhibited by the 5-lipoxygenase inhibitor zileuton and by the cysteinyl-LT receptor antagonist MK-571, suggesting mediation by cysteinyl-LT. Because these chemokines also induced release of LT into the bronchoalveolar lavage fluid and IL-13 into the lungs, we hypothesize that LT- and chemokine-based loops for positive-feedback regulations cooperate to maintain and amplify BHR and lung mucus accumulation after allergic challenge and in situations where IL-13, LT, or chemokines are generated. zileuton interleukin 13 Mus musculus