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[Determination of three metabolites of thromboxane A and 8-iso-prostaglandin F in urine by ultra performance liquid chromatography-tandem mass spectrometry].
Se Pu
February 2025
Shanghai-MOST Key Laboratory of Health and Disease Genomics, NHC Key Lab of Reproduction Regulation, Shanghai Institute for Biomedical and Pharmaceutical Technologies, Shanghai 200237, China.
Thromboxane A (TXA), a prothrombotic factor that induces platelet aggregation and thrombosis, acts as a vasoconstrictor by activating TXA receptors (TP receptors). TXA is extremely unstable and metabolizes into three major metabolites: 2,3-dinor thromboxane B (2,3-dinor-TXB), 11-dehydro TXB(11-dh-TXB), and 11-dehydro-2,3-dinor TXB(11-dh-2,3-dinor-TXB). 8-Iso-prostaglandin F(8-iso-PGF), a prostaglandin-like compound widely considered the best biomarker of oxidative stress, can also activate TP receptors.
View Article and Find Full Text PDFLatanoprostene bunod: the first nitric oxide-donating antiglaucoma medication.
Med Gas Res
June 2025
Glaucoma Service, Wills Eye Hospital, Philadelphia, PA, USA.
Glaucoma is a chronic optic neuropathy that causes characteristic visual field defects and is considered one of the leading causes of irreversible vision loss worldwide. Lowering intraocular pressure is the only proven treatment for glaucoma. Medical therapy is usually the first-line treatment for open-angle glaucoma and ocular hypertension.
View Article and Find Full Text PDFClinical 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).
Prostaglandins Differentially Regulate the Constitutive and Mechanosensitive Release of Soluble Nucleotidases in the Urinary Bladder Mucosa.
Int J Mol Sci
December 2024
Department of Physiology and Cell Biology, School of Medicine, University of Nevada Reno, Reno, NV 89557, USA.
The urothelium and lamina propria (LP) contribute to sensations of bladder fullness by releasing multiple mediators, including prostaglandins (PGs) and adenosine 5'-triphosphate (ATP), that activate or modulate functions of cells throughout the bladder wall. Mediators that are simultaneously released in response to bladder distention likely influence each other's mechanisms of release and action. This study investigated whether PGs could alter the extracellular hydrolysis of ATP by soluble nucleotidases (s-NTDs) released in the LP of nondistended or distended bladders.
View Article and Find Full Text PDF[Will a glaucoma drug revolutionize the treatment of androgenetic alopecia? On drug repurposing, when the side effect becomes a desired therapeutic outcome].
Postepy Biochem
December 2024
Department of Biochemistry and Nutrition, Centre for Preclinical Research and Technology, Medical University of Warsaw, Warsaw, Poland.
Prostaglandins are hormones found in almost all mammalian tissues. As signaling molecules, they play a key role in the regulation of many physiological processes, including hair growth cycle. The article describes the history of the discovery of prostaglandins, including the work of Professor Ryszard Gryglewski – the discoverer of prostacyclin.
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