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Related Concept Videos

Nephrotic Syndrome I : Introduction01:24

Nephrotic Syndrome I : Introduction

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Nephrotic Syndrome is a chronic kidney disorder defined by clinical findings such as severe proteinuria, hypoalbuminemia, hyperlipidemia, and edema. These symptoms result from damage to the glomeruli, the kidney’s filtering units, increasing their permeability to proteins.Definition and Meaning:Proteinuria, defined as the loss of more than 3.5 grams of protein per day in adults, is a crucial feature of nephrotic syndrome. This condition is often accompanied by edema, the accumulation of...
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Nephrotic Syndrome II : Assessment and Medical Management01:26

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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...
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Factors Affecting Protein-Drug Binding: Protein-Related Factors01:20

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Drug binding to proteins is a key aspect of pharmacokinetics and can influence a drug's distribution, absorption, and elimination in the body. Several factors, including the drug's physiochemical properties, protein concentration, disease states, and the number of binding sites on the protein, influence this process.
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Drugs predominantly attach to plasma proteins, with only a small percentage remaining unbound. The unbound portion can be calculated as one minus the bound fraction. Acidic drugs form large, inactive complexes by reversibly binding to plasma albumin, which prevents them from diffusing across biological barriers. These drug-protein complexes act as reservoirs for the drugs. As the concentration of unbound drugs decreases, these complexes quickly dissociate to release the free drug, maintaining...
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Related Experiment Video

Updated: Mar 22, 2026

Author Spotlight: Novel Assay for Studying B-Cell Responses in Multiple Sclerosis Research
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Author Spotlight: Novel Assay for Studying B-Cell Responses in Multiple Sclerosis Research

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Albumin and multiple sclerosis.

Steven M LeVine1

  • 1Department of Molecular and Integrative Physiology, University of Kansas Medical Center, Kansas City, KS, USA. slevine@kumc.edu.

BMC Neurology
|April 13, 2016
PubMed
Summary
This summary is machine-generated.

Blood-brain barrier leakage in multiple sclerosis allows albumin into the central nervous system, where it can be protective or harmful. Measuring albumin in cerebrospinal fluid may be inaccurate due to disease-related factors.

Keywords:
AlbuminAlbumin quotientBlood–brain barrierCerebrospinal fluidExperimental autoimmune encephalomyelitisMacrophagesMultiple sclerosisReactive nitrogen speciesReactive oxygen species

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Area of Science:

  • Neuroimmunology
  • Neuroinflammation
  • Blood-Brain Barrier Research

Background:

  • Blood-brain barrier (BBB) leakage is a hallmark of multiple sclerosis (MS).
  • Albumin, a plasma protein, enters the central nervous system (CNS) through a compromised BBB.
  • Its presence in CNS tissue can influence disease pathogenesis.

Purpose of the Study:

  • To discuss the dual role of albumin in multiple sclerosis.
  • To examine the protective and detrimental effects of extravasated albumin in the CNS.
  • To evaluate the accuracy of the albumin quotient as a biomarker for BBB dysfunction in MS.

Main Methods:

  • Literature review and synthesis of existing research on albumin's role in MS.
  • Analysis of albumin's biochemical properties and interactions within the CNS.
  • Discussion of factors affecting albumin levels in cerebrospinal fluid (CSF).

Main Results:

  • Albumin can exert protective effects by acting as an antioxidant and metal scavenger.
  • Extravasated albumin may exacerbate MS pathology by promoting inflammation and excitotoxicity.
  • The albumin quotient (CSF albumin/serum albumin) is an unreliable measure of BBB integrity in MS due to confounding factors.

Conclusions:

  • Albumin plays a complex, context-dependent role in multiple sclerosis pathogenesis.
  • Factors such as proteolytic cleavage, cellular uptake, and BBB lesion location impact CSF albumin levels.
  • Further research is needed to fully elucidate albumin's contribution to MS and identify reliable biomarkers.