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Allergy Asthma Immunol Res. 2014 Jul;6(4):288-95. doi: 10.4168/aair.2014.6.4.288. Epub 2014 May 27.

Cysteinyl leukotrienes and their receptors; emerging concepts.

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Jeff and Penny Vinik Center for Allergic Disease Research, Boston, MA, United States. ; Department of Medicine, Harvard Medical School; Division of Rheumatology, Immunology and Allergy, Brigham and Women's Hospital, Boston, MA, United States.


Cysteinyl leukotrienes (cys-LTs) are potent mediators of inflammation derived from arachidonic acid through the 5-lipoxygenase/leukotriene C4 synthase pathway. The derivation of their chemical structures and identification of their pharmacologic properties predated the cloning of their classical receptors and the development of drugs that modify their synthesis and actions. Recent studies have revealed unanticipated insights into the regulation of cys-LT synthesis, the function of the cys-LTs in innate and adaptive immunity and human disease, and the identification of a new receptor for the cys-LTs. This review highlights these studies and summarizes their potential pathobiologic and therapeutic implications.


5-lipoxygenase; AERD; Leukotrienes; asthma

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