Publication: mPGES-1 (Microsomal Prostaglandin E Synthase-1) Mediates Vascular Dysfunction in Hypertension Through Oxidative Stress.
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2018-06-11
Authors
Avendaño, María S
García-Redondo, Ana B
Zalba, Guillermo
González-Amor, María
Aguado, Andrea
Martínez-Revelles, Sonia
Beltrán, Luis M
Camacho, Mercedes
Cachofeiro, Victoria
Alonso, María J
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Abstract
mPGES-1 (microsomal prostaglandin E synthase-1), the downstream enzyme responsible for PGE2 (prostaglandin E2) synthesis in inflammatory conditions and oxidative stress are increased in vessels from hypertensive animals. We evaluated the role of mPGES-1-derived PGE2 in the vascular dysfunction and remodeling in hypertension and the possible contribution of oxidative stress. We used human peripheral blood mononuclear cells from asymptomatic patients, arteries from untreated and Ang II (angiotensin II)-infused mPGES-1-/- and mPGES-1+/+ mice, and vascular smooth muscle cells exposed to PGE2 In human cells, we found a positive correlation between mPGES-1 mRNA and carotid intima-media thickness (r=0.637; P
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MeSH Terms
Animals
Carotid Arteries
Disease Models, Animal
Gene Expression Regulation
Humans
Hypertension
Leukocytes, Mononuclear
Mice
Mice, Knockout
Muscle, Smooth, Vascular
Oxidative Stress
Prostaglandin-E Synthases
RNA
Vascular Stiffness
Carotid Arteries
Disease Models, Animal
Gene Expression Regulation
Humans
Hypertension
Leukocytes, Mononuclear
Mice
Mice, Knockout
Muscle, Smooth, Vascular
Oxidative Stress
Prostaglandin-E Synthases
RNA
Vascular Stiffness
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CIE Terms
Keywords
angiotensin II, hypertension, oxidative stress, prostaglandins, vascular remodeling