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Related Concept Videos

Urine Studies I: Urinalysis01:29

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...
Microbiota of the Urogenital Tract01:28

Microbiota of the Urogenital Tract

The human urogenital system, once thought to be sterile in healthy individuals, is now recognized as a complex microbial habitat. Advancements in molecular sequencing techniques have revealed that even in healthy adults, the kidneys and bladder harbor microbial populations similar to those found in the distal urethra, albeit in much lower abundance. These resident microorganisms, while generally innocuous, can become opportunistic pathogens under conditions that alter the urogenital...
Proteomics01:33

Proteomics

A proteome is the entire set of proteins that a cell type produces. We can study proteomes using the knowledge of genomes because genes code for mRNAs, and the mRNAs encode proteins. Although mRNA analysis is a step in the right direction, not all mRNAs are translated into proteins.
Proteomics is the study of proteomes' function. It involves the large-scale systematic study of the proteome to denote the protein complement expressed by a genome. Scientist Mark Wilkins coined the term proteomics...
Urine Studies II: Urine Culture and Sensitivity Test01:26

Urine Studies II: Urine Culture and Sensitivity Test

A urine culture and sensitivity test is a diagnostic procedure used to identify urinary tract bacterial infections and determine the most effective antibiotics for treatment. This test is generally preferred when a patient shows manifestations of a urinary tract infection, such as frequent or painful urination, cloudy or foul-smelling urine, or lower abdominal pain.Purpose of the TestThe primary goals of a urine culture and sensitivity test are to:Determine the specific bacteria causing the...
Physiology of the Genitourinary System III: Urine Concentration and Dilution01:20

Physiology of the Genitourinary System III: Urine Concentration and Dilution

The kidneys concentrate or dilute urine to maintain water and electrolyte balance. Nephrons, particularly the loop of Henle, play a crucial role in this process through the countercurrent multiplication system. This system establishes a high osmolarity in the renal medulla, which is essential for water reabsorption. In the loop of Henle’s descending limb, water is reabsorbed into the surrounding medulla due to its permeability to water. In contrast, the ascending limb actively transports...
Urinary Tract Infection III: Diagnostic Studies and Interprofessional Care01:30

Urinary Tract Infection III: Diagnostic Studies and Interprofessional Care

A healthcare provider can diagnose a urinary tract infection (UTI) through several methods:Medical History and Symptoms: The provider will take a detailed medical history and ask about symptoms such as frequent urination, burning sensation during urination, and lower abdominal pain.Urinalysis: A clean-catch urine sample is collected in a sterile container and tested for the presence of bacteria, white blood cells (leukocytes), nitrites, blood, and protein. The presence of leukocytes and...

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Related Experiment Video

Updated: Jul 3, 2026

Proteomic Profile of EPS-Urine through FASP Digestion and Data-Independent Analysis
14:48

Proteomic Profile of EPS-Urine through FASP Digestion and Data-Independent Analysis

Published on: May 8, 2021

Urine in clinical proteomics.

Stéphane Decramer1, Anne Gonzalez de Peredo, Benjamin Breuil

  • 1INSERM, U858/I2MR, Department of Cardiac and Renal Remodeling, Team 5, 1 Avenue Jean Poulhès, BP 84225, 31432 Toulouse Cedex 4, France.

Molecular & Cellular Proteomics : MCP
|August 1, 2008
PubMed
Summary

Urinary proteomics offers a non-invasive method for analyzing health. While challenges remain in identifying all urinary biomarkers, this field shows great promise for clinical applications and understanding disease pathophysiology.

Related Experiment Videos

Last Updated: Jul 3, 2026

Proteomic Profile of EPS-Urine through FASP Digestion and Data-Independent Analysis
14:48

Proteomic Profile of EPS-Urine through FASP Digestion and Data-Independent Analysis

Published on: May 8, 2021

Area of Science:

  • Clinical proteomics
  • Biomarker discovery

Background:

  • Urine is an attractive biofluid for clinical proteomics due to its non-invasive collection, large quantities, and stability.
  • Mass spectrometry-based profiling is highly suitable for clinical applications in urinary proteomics.
  • The field is transitioning from discovery to validation of urinary biomarkers in prospective studies.

Purpose of the Study:

  • To highlight the evolution and potential of urinary proteomics in clinical applications.
  • To discuss the challenges and future directions in urinary biomarker identification and analysis.

Main Methods:

  • Analysis of the urinary proteome using mass spectrometry-based techniques.
  • Focus on protein and peptide profiling in urine samples.
  • Exploration of both abundant and less abundant urinary proteins and peptides.

Main Results:

  • Urinary proteome analysis is informative for kidney, urinary tract, and non-urogenital diseases.
  • Significant progress has been made in urinary biomarker discovery.
  • Challenges persist in the sequence identification of less abundant urinary biomarkers.

Conclusions:

  • Urine has become a key biofluid in clinical proteomics with significant potential for rapid clinical application.
  • Further research is needed to overcome identification challenges for less abundant urinary proteins and peptides.
  • Urinary proteomics contributes to understanding disease pathophysiology beyond urogenital conditions.