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Metabolic pathways of eicosanoids-derivatives of arachidonic acid and their significance in skin.
Cell Mol Biol Lett
January 2025
Department of Analytical Chemistry, Medical University of Bialystok, Kilinskiego 1, 15-069, Bialystok, Poland.
The skin is a barrier that protects the human body against environmental factors (physical, including solar radiation, chemicals, and pathogens). The integrity and, consequently, the effective metabolic activity of skin cells is ensured by the cell membrane, the important structural and metabolic elements of which are phospholipids. Phospholipids are subject to continuous transformation, including enzymatic hydrolysis (with the participation of phospholipases A, C, and D) to free polyunsaturated fatty acids (PUFAs), which under the influence of cyclooxygenases (COX1/2), lipoxygenases (LOXs), and cytochrome P450 (CYPs P450) are metabolized to various classes of oxylipins, depending on the type of PUFA being metabolized and the enzyme acting.
View Article and Find Full Text PDFCoordinated 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 PDFClinical efficacy of dexmedetomidine preemptive analgesia in breast tumor resection.
Am J Transl Res
December 2024
Department of Anesthesiology, Tianjin Medical University Cancer Institute and Hospital Tianjin 300060, China.
Objective: To investigate the clinical efficacy of dexmedetomidine preemptive analgesia in patients undergoing mastectomy.
Methods: A retrospective study was conducted, including 236 patients who underwent breast tumor resection. Of these, 131 patients in the control group received routine postoperative intravenous patient-controlled analgesia, while 105 patients in the preemptive analgesia group received dexmedetomidine preemptive analgesia during surgery.
Clinical superiority of 3D-assisted percutaneous nephrolithotomy in treating complex upper urinary tract calculi: a single-center study.
Am J Transl Res
December 2024
Department of Urology, Yongchuan Hospital, Chongqing Medical University Chongqing 402160, China.
Objective: To investigate the clinical efficacy of three-dimensional (3D) visualization technology assisted percutaneous nephrolithotomy (PCNL) in the treatment of complex upper urinary tract calculi.
Methods: This study retrospectively analyzed clinical data from 127 patients with complex upper urinary tract stones admitted to Yongchuan Hospital, Chongqing Medical University from January 2020 to January 2023. According to the treatment methods, the patients were divided into an observation group (3D visualization technology assisted PCNL, n = 69) and a control group (conventional PCNL, n = 58).
Urinary prostaglandin metabolites evaluation for activity monitoring in inflammatory bowel disease.
Sci Rep
January 2025
Clinical Biochemistry Laboratory, Beaujon Hospital, APHP, Clichy, France.
Inflammatory bowel diseases cause chronic intestinal inflammation, including Crohn's disease (CD) and ulcerative colitis (UC). Prostaglandin E-major urinary metabolite (PGE-MUM) is a urine biomarker for disease activity in IBD. This study evaluated PGE-MUM performance for predicting an active disease in patients with CD and UC.
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