Background: N1,N12-diacetylspermine, a diacetylpolyamine which was recently identified in urine, appeared to be a useful tumor marker for a number of cancers. No valid data on urine diacetylspermine concentration in patients with urinary bladder cancer exist.
Aim: Evaluation of urine N1,N12-diacetylspermine concentrations in individuals with urinary bladder cancer.
Methods: Urine samples were used from 36 patients with urothelial tumors of the urinary bladder and from 30 patients with benign urological diseases. Urine was collected before cystoscopy. Enzyme-linked immunoabsorbent assays (ELISA) were performed for diacetylspermine from urine.
Results: Urine diacetylspermine did not differentiate in individuals with urinary bladder cancer from controls (medians 171.5 vs 143.8, p = 0.64). Its efficacy for urinary bladder cancer detection was not shown.
Conclusions: Urine N1,N12-diacetylspermine is probably not a useful marker for urinary bladder cancer.
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http://dx.doi.org/10.5507/bp.2006.033 | DOI Listing |
Ther Adv Med Oncol
January 2025
Chair of Urology and Andrology, Department of Regenerative Medicine, Collegium Medicum, Nicolaus Copernicus University, Bydgoszcz, Poland.
Bladder cancer was the 10th most commonly diagnosed cancer worldwide in 2020. Extracellular vesicles (EVs) are nano-sized membranous structures secreted by all types of cells into the extracellular space. EVs can transport proteins, lipids, or nucleic acids to specific target cells.
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March 2025
Department of Radiology, Hasan Sadikin Academic Medical Center-Faculty of Medicine, University of Padjadjaran, Jatinangor, Indonesia.
An ectopic ureter (EU) opens outside the bladder's trigone, a rare condition with an incidence of 0.05%-0.025%.
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October 2024
Institute of Medical Sciences, Tzu Chi University, Hualien, Taiwan.
Objectives: Interstitial cystitis/bladder pain syndrome (IC/BPS) is a challenging chronic inflammatory condition affecting the urinary bladder, with limited treatment options. This study aims to assess the clinical efficacy of repeated intravesical platelet-rich plasma (PRP) injections for promoting urothelial regeneration and reducing inflammation in patients with IC/BPS and investigate its correlation with subjective and objective treatment-related outcomes.
Materials And Methods: Four monthly intravesical PRP injections were given to 98 patients with non-Hunner-type IC/BPS.
Tzu Chi Med J
October 2024
Department of Urology, Taipei Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, New Taipei, Taiwan.
Bladder outlet obstruction (BOO) is common in males with benign prostate enlargement (BPE) and often presents with different lower urinary tract symptoms. Overactive bladder (OAB) has been reported to be related to BOO, although it can also be idiopathic. The storage symptoms of BOO are often similar to those of OAB.
View Article and Find Full Text PDFiScience
January 2025
Epigenetics & Molecular Carcinogenesis, M.D. Anderson Cancer Center, Houston, TX 77054, USA.
Single cell sequencing technologies have revolutionized our understanding of biology by mapping cell diversity and gene expression in healthy and diseased tissues. While single-cell RNA sequencing (scRNA-seq) has been widely used, interest in single-nucleus RNA sequencing (snRNA-seq) is growing due to its benefits, including the ability to analyze archival tissues and capture rare cell types that are challenging to dissociate. However, comparative studies across tissues have yielded mixed results, with some reporting enhanced cell type retention using snRNA-seq while others finding cell type identification to be challenging in snRNA-seq data.
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