15d-prostaglandin J2 protects brain from ischemia-reperfusion injury. 2006

Teng-Nan Lin, and Wai-Mui Cheung, and Jui-Sheng Wu, and Jean-Ju Chen, and Heng Lin, and Jin-Jer Chen, and Jun-Yang Liou, and Song-Kun Shyue, and Kenneth K Wu
Neuroscience Division, Institute of Biomedical Sciences, Academia Sinica, Taipei, Taiwan.

OBJECTIVE Brain expresses abundant lipocalin-type prostaglandin (PG) D2 (PGD2) synthase but the role of PGD2 and its metabolite, 15-deoxy-Delta(12,14) PGJ2 (15d-PGJ2) in brain protection is unclear. The aim of this study is to assess the effect of 15d-PGJ2 on neuroprotection. RESULTS Adenoviral transfer of cyclooxygenase-1 (Adv-COX-1) was used to amplify the production of 15d-PGJ2 in ischemic cortex in a rat focal infarction model. Cortical 15d-PGJ2 in Adv-COX-1-treated rats was increased by 3-fold over control, which was correlated with reduced infarct volume and activated caspase 3, and increased peroxisome proliferator activated receptor-gamma (PPARgamma) and heme oxygenase-1 (HO-1). Intraventricular infusion of 15d-PGJ2 resulted in reduction of infarct volume, which was abrogated by a PPARgamma inhibitor. Rosiglitazone infusion had a similar effect. 15d-PGJ2 and rosiglitazone at low concentrations suppressed H2O2-induced rat or human neuronal apoptosis and necrosis and induced PPARgamma and HO-1 expression. The anti-apoptotic effect was abrogated by PPARgamma inhibition. CONCLUSIONS 15d-PGJ2 suppressed ischemic brain infarction and neuronal apoptosis and necrosis in a PPARgamma dependent manner. 15d-PGJ2 may play a role in controlling acute brain damage induced by ischemia-reperfusion.

UI MeSH Term Description Entries
D008297 Male Males
D009336 Necrosis The death of cells in an organ or tissue due to disease, injury or failure of the blood supply.
D009474 Neurons The basic cellular units of nervous tissue. Each neuron consists of a body, an axon, and dendrites. Their purpose is to receive, conduct, and transmit impulses in the NERVOUS SYSTEM. Nerve Cells,Cell, Nerve,Cells, Nerve,Nerve Cell,Neuron
D002478 Cells, Cultured Cells propagated in vitro in special media conducive to their growth. Cultured cells are used to study developmental, morphologic, metabolic, physiologic, and genetic processes, among others. Cultured Cells,Cell, Cultured,Cultured Cell
D000077154 Rosiglitazone A thiazolidinedione that functions as a selective agonist for PPAR GAMMA. It improves INSULIN SENSITIVITY in adipose tissue, skeletal muscle, and the liver of patients with TYPE 2 DIABETES MELLITUS. 5-((4-(2-Methyl-2-(pyridinylamino)ethoxy)phenyl)methyl)-2,4-thiazolidinedione-2-butenedioate,Avandia,BRL 49653,BRL-49653,BRL49653,Rosiglitazone Maleate
D000256 Adenoviridae A family of non-enveloped viruses infecting mammals (MASTADENOVIRUS) and birds (AVIADENOVIRUS) or both (ATADENOVIRUS). Infections may be asymptomatic or result in a variety of diseases. Adenoviruses,Ichtadenovirus,Adenovirus,Ichtadenoviruses
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D014665 Vasodilator Agents Drugs used to cause dilation of the blood vessels. Vasoactive Antagonists,Vasodilator,Vasodilator Agent,Vasodilator Drug,Vasorelaxant,Vasodilator Drugs,Vasodilators,Vasorelaxants,Agent, Vasodilator,Agents, Vasodilator,Antagonists, Vasoactive,Drug, Vasodilator,Drugs, Vasodilator
D015230 Prostaglandin D2 The principal cyclooxygenase metabolite of arachidonic acid. It is released upon activation of mast cells and is also synthesized by alveolar macrophages. Among its many biological actions, the most important are its bronchoconstrictor, platelet-activating-factor-inhibitory, and cytotoxic effects. 11-Dehydroprostaglandin F2alpha,PGD2,11-Dehydroprostaglandin F2 alpha,11 Dehydroprostaglandin F2 alpha,11 Dehydroprostaglandin F2alpha,D2, Prostaglandin,F2 alpha, 11-Dehydroprostaglandin,F2alpha, 11-Dehydroprostaglandin,alpha, 11-Dehydroprostaglandin F2
D015316 Genetic Therapy Techniques and strategies which include the use of coding sequences and other conventional or radical means to transform or modify cells for the purpose of treating or reversing disease conditions. Gene Therapy,Somatic Gene Therapy,DNA Therapy,Gene Therapy, Somatic,Genetic Therapy, Gametic,Genetic Therapy, Somatic,Therapy, DNA,Therapy, Gene,Therapy, Somatic Gene,Gametic Genetic Therapies,Gametic Genetic Therapy,Genetic Therapies,Genetic Therapies, Gametic,Genetic Therapies, Somatic,Somatic Genetic Therapies,Somatic Genetic Therapy,Therapies, Gametic Genetic,Therapies, Genetic,Therapies, Somatic Genetic,Therapy, Gametic Genetic,Therapy, Genetic,Therapy, Somatic Genetic

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