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Optimizing UroVysion Fluorescence Hybridization Reflex Testing in Atypical Urothelial Cell Diagnosis: A Comprehensive Cytomorphological Analysis.
Ann Clin Lab Sci
November 2024
Department of Pathology and Translational Pathobiology, Louisiana State University Health Sciences Center, Shreveport, LA, USA
Objective: Urinary cytology is a key diagnostic tool for evaluating suspected urinary tract carcinoma, primarily high-grade urothelial carcinoma. The Paris System for Reporting Urinary Cytology (TPS), introduced in 2016, aimed to standardize reporting, though challenges with subjectivity and variability in diagnosing Atypical Urothelial Cells (AUCs) persist.
Methods: This retrospective study explored the correlation between cytomorphological features in "atypical" diagnosis and UroVysion fluorescence hybridization (U-FISH) results.
Selenium-Chondroitin Sulfate Nanoparticles Inhibit Angiogenesis by Regulating the VEGFR2-Mediated PI3K/Akt Pathway.
Mar Drugs
January 2025
College of Food Science and Technology, Guangdong Ocean University, Zhanjiang 524088, China.
Chondroitin sulfate (CS), a class of glycosaminoglycans covalently attached to proteins to form proteoglycans, is widely distributed in the extracellular matrix and cell surface of animal tissues. In our previous study, CS was used as a template for the synthesis of seleno-chondroitin sulfate (SeCS) through the redox reaction of ascorbic acid (Vc) and sodium selenite (NaSeO) and we found that SeCS could inhibit tumor cell proliferation and invasion. However, its effect on angiogenesis and its underlying mechanism are unknown.
View Article and Find Full Text PDFProstaglandins 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 PDFMetastatic urothelial carcinoma in multiple appendicular muscles of a cat.
JFMS Open Rep
January 2025
Department of Anatomy, Comparative Pathology and Toxicology, University of Córdoba, Campus de Rabanales, Córdoba, Spain.
Case Summary: A 13-year-old male castrated domestic shorthair cat presented with a 2-month history of progressive lameness, poor appetite and constipation. Physical examination revealed palpable lesions in muscles of several extremities. Ultrasound examination confirmed the presence of round lesions with a hypo- or anechoic centre within the muscles.
View Article and Find Full Text PDFDistribution and clinicopathological characteristics of G-CSF expression in tumor cells and stromal cells in upper tract urothelial carcinoma.
J Cancer Res Clin Oncol
December 2024
Department of Urology, Graduate School of Biomedical and Health Sciences, Hiroshima University, 1-2-3 Kasumi, Minami-ku, Hiroshima, 734-8551, Japan.
Background: Urothelial carcinoma (UC) is a common type of malignant disease; however, the diagnostic and prognostic markers of upper urinary tract urothelial cancer (UTUC) remain poorly understood because of its rarity.
Methods: To clarify the clinicopathological significance of granulocyte-colony stimulating factor (G-CSF) in UTUC, we analyzed the expression and distribution of G-CSF in 112 upper tract urothelial carcinoma (UTUC) samples with immunohistochemistry.
Results: In normal urothelium, G-CSF expression was weak or absent, whereas high expression of G-CSF was observed in UTUC tissues, both in tumor cells (TCs) and stromal cells (SCs).
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