نتایج جستجو برای: prostaglandin e
تعداد نتایج: 1038915 فیلتر نتایج به سال:
Prostaglandins exert a profound influence over the adhesive, migratory, and invasive behavior of cells during the development and progression of cancer. Cyclooxygenase-2 (COX-2) and microsomal prostaglandin E(2) synthase-1 (mPGES-1) are upregulated in inflammation and cancer. This results in the production of prostaglandin E(2) (PGE(2)), which binds to and activates G-protein-coupled prostaglan...
Francisella tularensis induces the synthesis of prostaglandin E(2) (PGE(2)) by infected macrophages to alter host immune responses, thus providing a survival advantage to the bacterium. We previously demonstrated that PGE(2) synthesis by F. tularensis-infected macrophages requires cytosolic phospholipase A2 (cPLA(2)), cyclooxygenase 2 (COX-2), and microsomal prostaglandin E synthase 1 (mPGES1)....
1. The role of endogenous prostaglandins in the antihypertensive mechanism of the angiotensin converting enzyme inhibitor, captopril, was investigated. 2. An unequivocal reduction in blood pressure and significant increase in plasma renin activity and urinary prostaglandin E excretion were found after the captopril administration. 3. The changes in blood pressure, plasma renin activity and urin...
Four E-prostanoid (EP) receptors, designated EP(1), EP(2), EP(3), and EP(4), mediate the cellular effects of prostaglandin E(2) (PGE(2)). The present studies pharmacologically characterize the vasopressor and vasodepressor EP receptors in wild-type mice (EP(2)(+/+) mice) and mice with targeted disruption of the EP(2) receptor (EP(2)(-/-) mice). Mean arterial pressure (MAP) was measured via a ca...
Cuccurullo Annalisa Iezzi, Sante Ucchino, Gianfranco Boccoli, Vittorio Saba, Francesco Chiarelli, Franco Francesco Cipollone, Cesaria Prontera, Barbara Pini, Matteo Marini, Maria Fazia, Domenico De Cesare, -Dependent Plaque Instability 2 Symptomatic Atherosclerotic Plaques as a Basis of Prostaglandin E Overexpression of Functionally Coupled Cyclooxygenase-2 and Prostaglandin E Synthase in Print...
Acute haemorrhagic pancreatitis was induced in greyhound dogs by a bile salt/trypsin injection into the main pancreatic duct. Prostaglandin-like activity in the pancreatic venous blood, right atrial blood, and arterial blood was measured by bioassay. Activity rose significantly in the pancreatic venous blood of test dogs but not in controls. Chromatographic analysis of the peritoneal exudate fr...
Twins and a singleton were born at 30 weeks' gestation although naproxen (d-2 (6'methoxy-2-naphthyl) propionic acid) had been given to the mothers in an attempt to delay parturition. Inhibition of prostaglandin synthesis was shown by very low plasma concentrations of prostaglandin E and the ductus arteriosus remained closed despite signs of pulmonary hypertension with severe hypoxaemia. Abnorma...
BACKGROUND Intravitreal neovascular diseases, as in ischemic retinopathies, are a major cause of blindness. Because inflammatory mechanisms influence vitreal neovascularization and cyclooxygenase (COX)-2 promotes tumor angiogenesis, we investigated the role of COX-2 in ischemic proliferative retinopathy. METHODS AND RESULTS We describe here that COX-2 is induced in retinal astrocytes in human...
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