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Prostaglandin pathways in equine myometrium regulations: endometrosis progression [PDF]

open access: yesFrontiers in Veterinary Science
IntroductionProstaglandins (PG) are important regulators of the myometrial contractility in mammals. Endometrosis, a condition characterized by morphological changes in the equine endometrium, also affects endometrial secretory function.
Katarzyna K. Piotrowska-Tomala   +9 more
doaj   +2 more sources

Prostaglandin Endoperoxide H Synthases [PDF]

open access: hybridJournal of Biological Chemistry, 2007
The cyclooxygenase (COX) activity of prostaglandin endoperoxide H synthases (PGHSs) converts arachidonic acid and O2 to prostaglandin G2 (PGG2). PGHS peroxidase (POX) activity reduces PGG2 to PGH2. The first step in POX catalysis is formation of an oxyferryl heme radical cation (Compound I), which undergoes intramolecular electron transfer forming ...
Jiayan Liu   +5 more
openalex   +5 more sources

Prostaglandin endoperoxide synthase contains an EGF‐like domain [PDF]

open access: bronzeFEBS Letters, 1989
Prostaglandin endoperoxide synthase was subjected to the computer‐assisted homology search in the protein primary structure database, in order to investigate the regulation mechanism of the expression of prostaglandin endoperoxide synthase. As a result of that, it turned out that prostaglandin endoperoxide synthase shares sequence homology with ...
Hiroyuki Toh
openalex   +5 more sources

The orientation of prostaglandin endoperoxide synthases-1 and -2 in the endoplasmic reticulum.

open access: hybridJournal of Biological Chemistry, 1994
Prostaglandin endoperoxide H synthases (PGHS)-1 and -2 are integral membrane proteins of the endoplasmic reticulum (ER). The luminal versus cytoplasmic orientations of several epitopes of PGHS-1 and PGHS-2 were determined by immunocytofluorescent staining of cells following treatment with membrane-selective permeants.
James Otto, William L. Smith
openalex   +4 more sources

Unraveling the Mechanism of Xiaochaihu Granules in Alleviating Yeast-Induced Fever Based on Network Analysis and Experimental Validation [PDF]

open access: yesPharmaceuticals
Xiaochaihu granules (XCHG) are extensively used to treat fever. Nevertheless, the underlying mechanism remains elusive. This study aimed to explore the potential of XCHG in mitigating yeast-induced fever and the underlying metabolic pathways.
Xiuli Chen   +10 more
doaj   +2 more sources

The Expression Pattern of Prostaglandin-Endoperoxide Synthase-2 in Immature Oocytes and Surrounding Cumulus Cells May Explain A Disrupted Oocyte Maturation Process

open access: yesGynecology Obstetrics & Reproductive Medicine, 2021
Objective: To evaluate the correlation between the gene expression of prostaglandin-endoperoxide synthase-2 in the cumulus-oocyte complex with the level of prostaglandin-endoperoxide synthase-2 in follicular fluid and follicle diameter, oocyte ...
Goktan Kuspinar, Berrin Avcı
doaj   +1 more source

Cyclooxygenase-2 expression in cervical cancer [PDF]

open access: yesVojnosanitetski Pregled, 2014
Background/Aim. Cyclooxygenase (COX) or prostaglandin H2 synthase is the first enzyme that catalyzes the first two steps in the biosynthesis of prostaglandins from arachidonic acid.
Mandić Aljoša   +4 more
doaj   +1 more source

Topography of the Prostaglandin Endoperoxide H2 Synthase-2 in Membranes [PDF]

open access: yesJournal of Biological Chemistry, 2006
The topology of association of the monotopic protein cyclooxygenase-2 (COX-2) with membranes has been examined using EPR spectroscopy of spin-labeled recombinant human COX-2. Twenty-four mutants, each containing a single free cysteine substituted for an amino acid in the COX-2 membrane binding domain were expressed using the baculovirus system and ...
Zahra MirAfzali   +3 more
openaire   +2 more sources

Nitro-fatty acids: novel anti-inflammatory lipid mediators

open access: yesBrazilian Journal of Medical and Biological Research, 2013
Nitro-fatty acids are formed and detected in human plasma, cell membranes, and tissue, modulating metabolic as well as inflammatory signaling pathways.
H. Rubbo
doaj   +1 more source

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