نتایج جستجو برای: ep2 subtype
تعداد نتایج: 56071 فیلتر نتایج به سال:
Corneal endothelial cells synthesize prostaglandin E2 (PGE2), and this synthesis is necessary for the maintenance of the normal polygonal shape of these cells. A series of experiments was done to examine the receptor-effector mechanism responsible for PGE2-mediated effects on cultured rabbit corneal endothelium. When challenged with exogenous PGE2, endothelial cells synthesized cyclic adenosine...
Prostaglandin E2 (PGE2) promotes Th17 expansion while otherwise inhibiting other CD4+ T cell subsets. Here, we identified a PGE2-dependent pathway that induces pathogenic Th17 cells in autoimmune disease and is regulated by the transcription factor RORC. Compared with other CD4+ cell types from healthy subjects, there is a surprising lack of the prostaglandin receptor EP2 on Th17 cells; therefo...
Osteocytes embedded in the matrix of bone are thought to be mechanosensory cells that translate mechanical strain into biochemical signals that regulate bone modeling and remodeling. We have shown previously that fluid flow shear stress dramatically induces prostaglandin release and COX-2 mRNA expression in osteocyte-like MLO-Y4 cells, and that prostaglandin E2 (PGE2) released by these cells fu...
The EP2 and EP4 prostanoid receptor subtypes are G-proteincoupled receptors for prostaglandin E2 (PGE2). Both receptor subtypes are known to couple to the stimulatory guanine nucleotide binding protein (G s) and, after stimulation with PGE2, can increase the formation of intracellular cAMP. In addition, PGE2 stimulation of the EP4 receptor can activate phosphatidylinositol 3-kinase (PI3K) leadi...
Oxidized 1-palmitoyl-2-arachidonoyl-sn-glycero-3-phosphorylcholine (OxPAPC), which has been shown to accumulate in atherosclerotic lesions and other sites of chronic inflammation, activates endothelial cells (EC) to bind monocytes by activation of endothelial beta1 integrin and subsequent deposition of fibronectin on the apical surface. Our previous studies suggest this function of OxPAPC is me...
AIM OF THE STUDY Expression of EP2 protein, the prostaglandin E2 (PGE2) receptor, produced by tumour microenvironment inflammatory cells as well as tumour cells, may promote cellular proliferation and growth in an autocrine and paracrine fashion. The phenomenon involving these proteins is regulated by interleukin 1β (IL-1β). Many researchers indicate a connection of EP2 and IL-1β in various typ...
Commentary It is well established that seizures, particularly status epilepti-cus (SE), induce upregulation of cyclooxygenase-2 (COX-2) in both neurons and non-neuronal cells (1, 2). COX-2 plays a role in seizure-induced leukocyte infiltration, astrogliosis, microg-lial activation, and breakdown of the blood-brain barrier (BBB); thus, COX-2 is clearly an important component of brain inflammatio...
Several studies have described p16INK4A and prostaglandin E2 (PGE2) co-alterations in various solid tumors, including non-small cell lung cancer (NSCLC). In this study, we examined the correlation between PGE2 receptor 2 (EP2) expression and p16INK4A methylation in NSCLC, and the association with clinicopathological features and prognostic significance. We retrospectively reviewed 88 NSCLC pati...
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