نتایج جستجو برای: pgj2
تعداد نتایج: 308 فیلتر نتایج به سال:
Weber, Sarah M., Anna L. Scarim, and John A. Corbett. PPAR is not required for the inhibitory actions of PGJ2 on cytokine signaling in pancreatic -cells. Am J Physiol Endocrinol Metab 286: E329–E336, 2004. First published November 4, 2003; 10.1152/ ajpendo.00392.2003.—Peroxisome proliferator-activated receptor (PPAR) agonists, such as 15-deoxy-prostaglandin J2 (PGJ2) and troglitazone, have been...
15-Deoxy-#-prostaglandin J2 (15d-PGJ2), the terminal derivative of the PGJ series, is emerging as a potent antineoplastic agent among cyclopentenone prostaglandins derivatives and also known as the endogenous ligand of peroxisome proliferator-activated receptor ; (PPAR;). On the other hand, death receptor 5 (DR5) is a specific receptor for tumor necrosis factor–related apoptosisinducing ligand ...
Prototypical electrophiles such as the lipid 15-deoxy-Delta12,14-prostaglandin J2 (15d-PGJ2) are well recognized for their therapeutic potential. Electrophiles modify signalling proteins in both the cytosol and mitochondrion, which results in diverse cellular responses, including cytoprotective effects and, at high doses, cell death. These findings led us to the hypothesis that targeting electr...
Prostaglandin J2 (PGJ2) was found to suppress dramatically Sendai virus replication in African green monkey kidney cells in culture. PGJ2 was not toxic at the active dose to uninfected cells and did not significantly inhibit macromolecular synthesis, but it specifically stimulated the synthesis of a polypeptide of 74,000 mol. wt. In Sendai virus-infected cells, PGJ2 partially inhibited virus pr...
Introduction: The inflammatory response requires a coordinated integration of various signaling pathway including cyclooxygenase (COX). COX catalyzes the formation of prostaglandins from arachidonic acid. Among prostaglandins, 15-Deoxy-D12, 14-prostaglandin J2 (15d-PGJ2), an endogenous ligand of Peroxisome proliferator-activated receptor-gamma (PPAR-γ), has been demonstrated to have anti-inflam...
15-deoxy-Δ-12,14-prostaglandin J2 (15d-PGJ2) has been described as an anti-inflammatory lipid mediator in several in vitro and in vivo studies, but its effect on allergic pulmonary inflammation remains elusive. The aim of this study was to investigate the therapeutic potential of 15d-PGJ2 based on distinct murine models of allergic asthma triggered by either ovalbumin (OVA) or house dust mite e...
Peroxisome proliferator-activated receptors-gamma (PPAR-gamma) is critical for phenotype determination at early differentiation stages of mesenchymal cells, whereas its physiological role is unclear. Therefore, we investigated the role of 15-deoxy-Delta(12,14)-prostaglandinJ2 (15d-PGJ2), the natural receptor ligand for PPAR-gamma, on dedifferentiation and inflammatory responses, such as COX-2 e...
Cyclopentenone prostaglandins are potent inhibitors of nuclear factor– B (NFB), a transcription factor with a critical role in promoting inflammation and connected with multiple aspects of oncogenesis and cancer cell survival. In the present report, we investigated the role of NFB in the antineoplastic activity of the cyclopentenone prostaglandin 15-deoxy-PGJ2 (15d-PGJ2) in multiple myeloma (MM...
The COX (cyclo-oxygenase) pathway generates the reactive lipid electrophile 15d-PGJ2 (15-deoxy-Delta(12,14)-prostaglandin J2), which forms covalent protein adducts that modulate cell signalling pathways. It has been shown that this regulates important biological responses, including protection against oxidative stress, and supports the proposal that 15d-PGJ2 has pharmacological potential. Prote...
Peroxisome proliferator-activated receptors (PPARs) are members of the nuclear hormone receptor superfamily of ligandactivated transcription factors that are related to retinoid, steroid, and thyroid hormone receptors. The PPARreceptor subtype seems to play a pivotal role in the regulation of cellular proliferation and inflammation. Recent evidence also suggests that the cyclopentenone prostagl...
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