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Urine Studies I: Urinalysis

Urine Studies I: Urinalysis

Urinalysis is a widely used diagnostic test that analyzes urine's physical, chemical, and microscopic characteristics. Healthcare providers use it to detect and monitor various health conditions, including renal disease, urinary tract infections (UTIs), diabetes, and metabolic or systemic disorders.Components of UrinalysisUrinalysis consists of three primary components: physical, chemical, and microscopic examination. Each provides unique insights into the urine sample and, by extension, the...

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Updated: Nov 15, 2025

Cell-Free DNA Integrity Analysis in Urine Samples

Cell-Free DNA Integrity Analysis in Urine Samples

Published on: January 5, 2017

Telomerase Activity Analysis In Urine Sediment for Bladder Cancer.

Valentina Casadio¹, Sara Bravaccini²

¹Biosciences Laboratory, Istituto Scientifico Romagnolo per lo Studio e la Cura dei Tumori (IRST) IRCCS, Meldola, Italy.

Methods in Molecular Biology (Clifton, N.J.)

|March 2, 2021

Summary

This summary is machine-generated.

Detecting bladder cancer early is crucial. A new real-time PCR protocol for telomerase activity in urine offers a sensitive, noninvasive diagnostic tool for bladder tumors, improving early detection rates.

Keywords:

Bladder cancer TRAP Telomerase activity Urine sediment

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Published on: December 8, 2023

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Last Updated: Nov 15, 2025

Cell-Free DNA Integrity Analysis in Urine Samples

Cell-Free DNA Integrity Analysis in Urine Samples

Published on: January 5, 2017

A Murine Orthotopic Bladder Tumor Model and Tumor Detection System

A Murine Orthotopic Bladder Tumor Model and Tumor Detection System

Published on: January 12, 2017

Author Spotlight: Engineering Molecular Tools for Disease Detection and Imaging

Author Spotlight: Engineering Molecular Tools for Disease Detection and Imaging

Published on: December 8, 2023

Area of Science:

Oncology
Biochemistry
Molecular Diagnostics

Background:

Bladder cancer is a common urinary tract tumor with diagnostic challenges in early detection.
Current methods like imaging, cystoscopy, and cytology lack sufficient accuracy for early-stage tumors.
Novel biomarkers are urgently needed to improve diagnostic sensitivity and specificity.

Purpose of the Study:

To develop and report a real-time PCR protocol for detecting telomerase activity in urine sediment.
To establish a sensitive and specific noninvasive tool for bladder cancer diagnosis.

Main Methods:

Quantitative telomerase repeat amplification protocol (TRAP) assay.
Real-time PCR applied to urine sediment.
Analysis of telomerase activity as a biomarker.

Main Results:

The TRAP assay in urine demonstrated high sensitivity and specificity for bladder tumors.
The method is effective for detecting early-stage and low-grade tumors.
Telomerase activity in urine is a promising diagnostic marker.

Conclusions:

The developed real-time PCR protocol provides an effective noninvasive method for bladder cancer detection.
Telomerase activity in urine sediment is a valuable biomarker for improving diagnostic accuracy.
This approach offers advantages in cost-benefit, particularly for high-risk groups.