Abstract:
:Leukotriene B(4) (LTB(4)) is a lipid inflammatory mediator derived from membrane phospholipids by the sequential actions of cytosolic phospholipase A2 (PLA2), 5-lipoxygenase (5-LO) and leukotriene A(4) (LTA(4)) hydrolase. Several inflammatory diseases, including asthma, chronic obstructive pulmonary disease, arthritis and inflammatory bowel disease, have been associated with elevated levels of LTB(4). As a result, pharmacological strategies to modulate the synthesis of LTB(4) (inhibition of PLA2, 5-LO or LTA(4) hydrolase) or the effects of LTB(4) itself (antagonism of LTB(4) receptors) are being developed by several companies. Two G-protein-coupled receptors mediate the effects of LTB(4), namely BLT1 and BLT2. The pharmacology, expression and function of these two receptors were last reviewed by Tager and Luster in 2004. Since then, there has been an increased understanding of the function of these receptors, in particular for the lesser understood of the two receptors, BLT2. Furthermore, since last reviewed in 1996, there have been several clinical developments in the use of BLT receptor antagonists for inflammatory diseases. This review summarizes the latest preclinical and clinical developments in BLT antagonism for inflammatory diseases and discusses potential future developments.
journal_name
Expert Opin Investig Drugsjournal_title
Expert opinion on investigational drugsauthors
Hicks A,Monkarsh SP,Hoffman AF,Goodnow R Jrdoi
10.1517/13543784.16.12.1909subject
Has Abstractpub_date
2007-12-01 00:00:00pages
1909-20issue
12eissn
1354-3784issn
1744-7658journal_volume
16pub_type
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journal_title:Expert opinion on investigational drugs
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