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Cerebral Edema ll: Pathophysiology

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Vasogenic edema is a major form of cerebral edema characterized by abnormal accumulation of fluid in the brain’s extracellular space due to disruption of the blood–brain barrier (BBB). The BBB is a specialized structure composed of endothelial cells connected by tight junctions, supported by astrocytic endfeet and a basement membrane. Under normal conditions, it tightly regulates the movement of ions, proteins, and solutes between the bloodstream and brain parenchyma. When this barrier loses...

Hemorrhagic Stroke ll: Pathophysiology

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A hemorrhagic stroke develops when a cerebral blood vessel ruptures, allowing blood to escape into the surrounding brain tissue, as in intracerebral hemorrhage (ICH), or into the subarachnoid space, as in subarachnoid hemorrhage (SAH). Because the skull is a rigid compartment, the sudden presence of extravascular blood rapidly increases intracranial pressure and compresses adjacent neural structures, leading to immediate tissue injury and impaired cerebral perfusion.Mass Effect and Primary...

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Ischemic Stroke ll: Pathophysiology

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Related Experiment Video

Updated: Jun 8, 2026

Antibody Binding Specificity for Kappa (Vκ) Light Chain-containing Human (IgM) Antibodies: Polysialic Acid (PSA) Attached to NCAM as a Case Study

Antibody Binding Specificity for Kappa (Vκ) Light Chain-containing Human (IgM) Antibodies: Polysialic Acid (PSA) Attached to NCAM as a Case Study

Published on: June 29, 2016

Polyclonal light chains in cerebrovascular disease.

Patrizia Fiori¹, Maria Giannetti Luigi, Linda Iurato

¹Central Operative Unit of Neurology (Dir. A Monaco), ASL AV, Civil Hospital of Ariano Irpino, University of Naples, Italy. patriziafiorirmit@alice.it

Neuropsychiatric Disease and Treatment

|September 22, 2010

Summary

This summary is machine-generated.

Urinary polyclonal light chains are early markers of kidney dysfunction in cerebrovascular disease, indicating reversible vascular impairment before severe renal failure.

Keywords:

cerebrovascular disease polyclonal light chains renal failure

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Published on: January 12, 2020

Area of Science:

Nephrology
Neurology
Vascular Biology

Background:

Altered membrane permeability is a key feature of inflammation and ischemia.
Renal dysfunction is a significant risk factor for cardiovascular, cerebrovascular, and metabolic diseases.

Purpose of the Study:

To evaluate proteinuria and urinary polyclonal light chains in acute stroke and chronic cerebrovascular disease.
To compare these markers with those in other neurologic diseases.

Main Methods:

Analysis of urinary polyclonal light chains (κ and λ) and creatininemia.
Comparison of marker levels across patient groups: acute stroke, chronic cerebrovascular disease, and other neurologic diseases.
Assessment of correlation with blood pressure and other seric parameters.

Main Results:

Urinary polyclonal light chains were significantly elevated in cerebrovascular disease patients compared to other neurologic diseases.
Urinary polyclonal κ chains were highest in acute stroke, while λ chains were increased in chronic cerebrovascular disease.
A decreased polyclonal light chain/creatinemia ratio indicated a shift towards chronic renal failure.

Conclusions:

Urinary polyclonal light chains serve as an early indicator of reversible renal dysfunction in cerebrovascular disease.
These markers may predict vascular impairment before the onset of irreversible renal failure.
Polyclonal light chains show no significant correlation with blood pressure or other seric parameters, highlighting their unique role as early biomarkers.