نتایج جستجو برای: ep2 subtype

تعداد نتایج: 56071  

Journal: :Investigative ophthalmology & visual science 1991
M M Jumblatt C A Paterson

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...

Journal: :The Journal of clinical investigation 2014
David M Kofler Alexander Marson Margarita Dominguez-Villar Sheng Xiao Vijay K Kuchroo David A Hafler

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...

Journal: :The Journal of biological chemistry 2003
Priscilla P Cherian Benxu Cheng Sumin Gu Eugene Sprague Lynda F Bonewald Jean X Jiang

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...

2006
Robert M. Graham Hiromichi Fujino John W. Regan Yalini Arinaminpathy Mark S. P. Sansom Philip C. Biggin Karin Kohlstedt Roland Kellner Rudi Busse Bernard Hsiao Karla B. Mihalak Sarah E. Repicky Drew Everhart Ana H. Mederos Arun Malhotra Charles W. Luetje Barbara Costa Alessandra Salvetti Leonardo Rossi Francesca Spinetti Annalisa Lena Beatrice Chelli Mariarosa Rechichi Eleonora Da Pozzo Vittorio Gremigni Chris Hague Sarah E. Lee Zhongjian Chen Steven C. Prinster Randy A. Hall Kenneth P. Minneman Yang Xu Takanori Hashizume Margaret C. Shuhart Connie L. Davis Wendel L. Nelson Toshiyuki Sakaki Thomas F. Kalhorn Paul B. Watkins Erin G. Schuetz Kenneth E. Thummel Ming Zhao Richard G. DiScipio Antonia G. Wimmer Yuyoung Joo Hye-Sun Kim Ran-Sook Woo Cheol Hyoung Park Ki-Young Shin Jean-Pyo Lee Keun-A Chang Seonghan Kim

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...

Journal: :Circulation research 2006
Rongsong Li Kevin P Mouillesseaux Dennis Montoya Daniel Cruz Navid Gharavi Martin Dun Lukasz Koroniak Judith A Berliner

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...

2015
Marcin Mochocki Piotr Morawski Renata Kopta Ewa Brzezińska-Błaszczyk Olga Stasikowska Iwona Lewy-Trenda Katarzyna Starska

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...

Journal: :Epilepsy currents 2012
F Edward Dudek

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...

Journal: :International journal of oncology 2009
Mohamed Alaa Makoto Suzuki Mitsuru Yoshino Lei Tian Hidemi Suzuki Kaoru Nagato Taiki Fujiwara Hironobu Wada Yasumitsu Moriya Hidehisa Hoshino Shinichiro Motohashi Shigetoshi Yoshida Kiyoshi Shibuya Kenzo Hiroshima Yukio Nakatani Aliae Abdrabou Maha Elkholy Tarek Mahfouz Ichiro Yoshino

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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