Journal
CLINICAL IMMUNOLOGY
Volume 114, Issue 2, Pages 100-109Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.clim.2004.09.008
Keywords
prostaglandin; 15d-PGJ(2); PPAR-gamma; inflammation; PGD(2); H-PGDS; L-PGDS; NF-kappa B; Er; k
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15-Deoxy-Delta-(12,14)-prostaglandin J(2) (15d-PGJ(2)) is the most recently discovered prostaglandin. This cyclopentatione, the dehydration end product of PGD(2), differs from other prostaglandins in several respects. There is no specific prostaglandin synthase (PGS) leading to 15d-PGJ(2) production and no specific 15d-PGJ2 receptor has been identified to date. Instead, 15d-PGJ2 has been shown to act via PGD2 receptors (DP1 and DP2) and through interaction with intracellular targets. In particular, 15d-PGJ2 is recognized as the endogenous ligand for the intranuclear receptor PPARgamma. This property is responsible for many of the 15d-PGJ(2) anti-inflammatory functions. In this review, we summarize the current understanding of 15d-PGJ2 synthesis, biology and main effects both in molecular physiology and pathological states. (C) 2004 Elsevier Inc. All rights reserved.
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