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Coordinated regulation of eosinophil production and migration by glucocorticoids, prostaglandins, and cysteinyl-leukotrienes.
Int Immunopharmacol
January 2025
Laboratório de Citocinas Dept. of Immunology Instituto de Microbiologia Prof. Paulo de Góes Universidade Federal do Rio de Janeiro Rio de Janeiro Brazil.
Introduction: The spectrum of eosinophil functions has expanded from fighting helminths to multiple novel roles in malignancy, infection, cancer, and metabolism. In asthma, glucocorticoids, prostaglandins (PG), and cysteinyl-leukotrienes (LT) regulate eosinophil biology through separate signaling pathways. Here we've evaluated the complex interplay between Dexa, PGE2, and CysLTs in eosinopoiesis and eosinophil biology in an allergic asthma model.
View Article and Find Full Text PDFSphingosine kinase 2 (SphK2) depletion alters redox metabolism and enhances inflammation in a diet-induced MASH mouse model.
Hepatol Commun
December 2024
Department of Microbiology and Immunology, Virginia Commonwealth University School of Medicine, Richmond, Virginia, USA.
Background: Sphingosine-1 phosphate (S1P) is a bioactive lipid molecule that modulates inflammation and hepatic lipid metabolism in MASLD, which affects 1 in 3 people and increases the risk of liver fibrosis and hepatic cancer. S1P can be generated by 2 isoforms of sphingosine kinase (SphK). SphK1 is well-studied in metabolic diseases.
View Article and Find Full Text PDFTRAP-Induced Platelet Reactivity Is Inhibited by Omega-3 Fatty Acid-Derived Prostaglandin E3 (PGE3).
Biomedicines
December 2024
Department of Physiology, University of Murcia, 30120 Murcia, Spain.
Prostaglandins are naturally occurring local mediators that can participate in the modulation of the cardiovascular system through their interaction with Gs/Gi-coupled receptors in different tissues and cells, including platelets. Thrombin is one of the most important factors that regulates platelet reactivity and coagulation. Clinical trials have consistently shown that omega-3 fatty acid supplementation lowers the risk for cardiovascular mortality and morbidity.
View Article and Find Full Text PDFExpression, purification and characterization of a dual function α-dioxygenase/peroxidase from Mycolicibacterium smegmatis.
Biochim Biophys Acta Mol Cell Biol Lipids
December 2024
Department of Chemistry and Biochemistry, Villanova University, Villanova, PA 19085, USA. Electronic address:
An open reading frame from the actinobacterium Mycolicibacterium smegmatis annotated as a Prostaglandin H Synthase (PGHS) was expressed with an N-terminal (his) tag and purified to homogeneity. The enzyme has a monomeric molecular weight of 68.3 kD and exists as a dimer in the presence of nonionic detergent.
View Article and Find Full Text PDFRoe deer uterine fluid metabolome reveals elevated glycolysis, fatty acid breakdown, and spermidine synthesis upon reactivation from diapause†.
Biol Reprod
January 2025
ETH Zürich, Animal Physiology, Institute of Agricultural Sciences, Universtitätstr. 2, CH-8092 Zurich, Switzerland.
The blastocyst of the European roe deer (Capreolus capreolus) undergoes a period of decelerated growth and limited metabolism. During this period known as embryonic diapause, it floats freely in the uterus encircled by the histotroph. Prior to implantation, reactivation is marked by rapid embryonic growth and conceptus elongation.
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