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Related Concept Videos

Nephrotic Syndrome II : Assessment and Medical Management01:26

Nephrotic Syndrome II : Assessment and Medical Management

IntroductionNephrotic syndrome is a kidney disorder marked by excessive protein loss in the urine, leading to various systemic complications. This condition often results from damage to the glomeruli—the kidney's filtering units—causing proteinuria, low blood protein levels, and fluid retention. Understanding the assessment, diagnosis, and management of nephrotic syndrome is essential for effective treatment and prevention of further kidney damage.AssessmentPatient History: Document any history...
Drug Dosing in Renal Diseases: Measurement of Glomerular Filtration Rate01:25

Drug Dosing in Renal Diseases: Measurement of Glomerular Filtration Rate

The glomerular filtration rate (GFR) is a critical indicator of kidney health, reflecting how well the kidneys filter blood. Changes in GFR can signal potential kidney impairment, necessitating accurate measurement methods to monitor kidney function effectively.Various molecules can serve as markers for GFR measurement, with the ideal marker meeting several specific criteria. It must freely filter at the glomerulus, avoid reabsorption or secretion by the renal tubules, remain unmetabolized, not...
One-Compartment Open Model: Urinary Excretion Data and Determination of k01:11

One-Compartment Open Model: Urinary Excretion Data and Determination of k

The one-compartment open model leverages urinary excretion data to estimate renal clearance, which gauges the kidney's capacity to expel a drug. This method offers several benefits, including directly measuring drug elimination and assessing the kidney's contribution to overall drug clearance. However, this approach has limitations. It assumes sole renal excretion of the drug, which is not true for all drugs. Accurate urinary excretion and plasma drug concentration measurement can also be...
Drug Dosing in Renal Diseases: Measurement of Serum Creatinine Concentration and Clearance01:25

Drug Dosing in Renal Diseases: Measurement of Serum Creatinine Concentration and Clearance

In healthy individuals, serum creatinine levels remain stable due to a balance between its constant production—primarily from muscle metabolism—and renal excretion. Creatinine is freely filtered by the glomeruli, making it a valuable marker for estimating renal function. When the glomerular filtration rate (GFR) decreases, the kidneys can only eliminate less creatinine, causing serum levels to rise.Serum creatinine concentration is widely used to estimate creatinine clearance (Clcr), a...
Serum Studies: Renal Function Tests01:24

Serum Studies: Renal Function Tests

Renal function tests are crucial for assessing kidney health, monitoring disease progression, and evaluating the kidneys' efficiency in waste elimination, fluid balance, and electrolyte regulation. These tests offer critical insights into kidney function, even though routine measurements may appear normal until there is a significant decline in the glomerular filtration rate or GFR. Typically, signs of kidney impairment only become evident when the GFR falls to about 50% of its normal level.
Measurement of Bioavailability: Pharmacokinetic Methods01:30

Measurement of Bioavailability: Pharmacokinetic Methods

Pharmacokinetics is a vital branch of pharmacology that examines how drugs are absorbed, distributed, metabolized, and excreted by the body. Two key methodologies in pharmacokinetics are plasma drug concentration studies and urinary drug excretion analyses, both of which provide critical insights into a drug's therapeutic efficacy and bioavailability.Plasma Drug Concentration-Time StudiesPlasma drug concentration-time studies involve analyzing blood samples at specific intervals to quantify...

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Updated: Jul 12, 2026

A Modified Precipitation Method to Isolate Urinary Exosomes
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A Modified Precipitation Method to Isolate Urinary Exosomes

Published on: January 16, 2015

Measuring protein excretion in pregnancy.

Jane L Holt1, George J Mangos, Mark A Brown

  • 1Renal Department, St George Hospital, and Medical Faculty, University of New South Wales, Sydney, New South Wales, Australia. jane.holt@sesahs.health.gov.au

Nephrology (Carlton, Vic.)
|September 7, 2007
PubMed
Summary

Proteinuria detection is a key marker for kidney disease and predicting cardiovascular risks. Accurate measurement is vital, especially for conditions like pre-eclampsia, guiding future management.

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Quantitative Measurement of Intrathecally Synthesized Proteins in Mice
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Quantitative Measurement of Intrathecally Synthesized Proteins in Mice

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Last Updated: Jul 12, 2026

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Quantitative Measurement of Intrathecally Synthesized Proteins in Mice
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Quantitative Measurement of Intrathecally Synthesized Proteins in Mice

Published on: November 29, 2019

Area of Science:

  • Nephrology
  • Clinical Medicine
  • Obstetrics

Background:

  • Proteinuria has been a recognized clinical marker of renal disease since 1827.
  • Protein excretion is crucial for predicting long-term renal and cardiovascular outcomes.
  • Accurate proteinuria detection methods are essential for diagnosing and managing kidney diseases, including pre-eclampsia.

Purpose of the Study:

  • To review current knowledge of kidney protein handling.
  • To examine protein excretion changes in normal and hypertensive pregnancies.
  • To discuss how advances in understanding proteinuria may impact future hypertensive pregnancy management.

Main Methods:

  • Literature review of protein handling in normal and pathological states.
  • Analysis of changes in protein excretion during pregnancy.
  • Exploration of recent advancements in proteinuria detection and their clinical implications.

Main Results:

  • The review synthesizes existing knowledge on renal protein handling.
  • It details alterations in protein excretion during normal and hypertensive pregnancies.
  • It highlights the evolving understanding of proteinuria's role in maternal health.

Conclusions:

  • Accurate proteinuria assessment is critical for renal disease diagnosis and prognosis.
  • Understanding protein handling in pregnancy is key to managing hypertensive disorders.
  • Advances in proteinuria detection promise improved clinical management strategies.