Related Experiment Video
Updated: Jul 5, 2026
06:22
In Vivo Imaging of Cerebrospinal Fluid Transport through the Intact Mouse Skull using Fluorescence Macroscopy
Published on: July 29, 2019
EXPRESS: Glymphatic System Dysfunction and Neurological Disorders: From Mechanisms to Therapeutic Strategies
Zinan Guo1, Mengying Dai2, Shuo Song3
1Rehabilitation Medicine Department, Neuroscience Cluster, The Fourth People's Hospital of Shenzhen, Shenzhen, China.
Summary
The glymphatic system (GS) clears brain waste and distributes nutrients. Its dysfunction is linked to neurological diseases, prompting research into GS-targeted therapies for conditions like neurodegeneration and stroke.
Area of Science:
- Neuroscience
- Cerebrovascular Biology
- Neuroimmunology
Background:
- Traditional neuroanatomy overlooked CNS lymphatic circulation, creating a paradox with high brain metabolism.
- The discovery of the glymphatic system (GS) resolved this by revealing a glia-dependent network for cerebrospinal fluid flow and waste clearance.
- The GS plays crucial roles in nutrient distribution and neuroactive signaling, impacting brain homeostasis.
Purpose of the Study:
- To synthesize current knowledge on glymphatic system anatomy, regulation, and assessment.
- To critically examine the bidirectional relationship between glymphatic dysfunction and neurological diseases.
- To evaluate emerging therapies targeting the glymphatic system for neurodegenerative and cerebrovascular pathologies.
Main Methods:
- Systematic review and synthesis of existing literature on the glymphatic system.
- Analysis of functional regulators and assessment techniques for GS function.
- Critical evaluation of bidirectional interactions between GS dysfunction and neuroinflammation, neurodegeneration, and cerebrovascular diseases.
- Assessment of emerging GS-targeted therapeutic strategies and their translational potential.
Main Results:
- The glymphatic system facilitates cerebrospinal fluid flow through periarterial spaces and waste clearance via paravenous pathways.
- Impaired glymphatic system dynamics are critically linked to triggering and exacerbating neurodegeneration, cerebrovascular pathologies, and neuroinflammation.
- Emerging evidence highlights the potential of glymphatic system-targeted therapies for neurological disorders.
Conclusions:
- The glymphatic system is fundamental to brain homeostasis, waste removal, and nutrient transport.
- Dysfunction of the glymphatic system is a key factor in the pathogenesis of major neurological diseases.
- Targeting the glymphatic system offers promising therapeutic avenues for neurological conditions, requiring further translational research.
More Related Videos
Related Concept Videos
00:49The Blood-brain Barrier
Overview
01:22Cerebral Edema ll: Pathophysiology
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...
01:29Hepatic Encephalopathy
DefinitionHepatic encephalopathy is a reversible neurologic syndrome that results from advanced liver dysfunction or portosystemic shunting. It leads to disturbances in cognition, behavior, and motor function due to the brain’s exposure to gut-derived toxins that the liver fails to detoxify.EtiologyThis condition develops either in the setting of acute fulminant hepatitis or progressively during chronic liver disease, such as cirrhosis and portal hypertension. Portosystemic shunting—including...
01:19Cerebral Edema l: Introduction
Cerebral edema is a pathological increase in brain water content that disrupts intracranial pressure regulation and impairs neurological function. Because the cranial vault is rigid, even modest increases in tissue volume can compromise cerebral perfusion, distort neural structures, and initiate secondary injury. Cerebral edema develops through four principal mechanisms: vasogenic, cytotoxic, interstitial, and ionic.Vasogenic EdemaVasogenic edema arises from disruption of the blood–brain...
01:28Disorders of the Nervous Tissue
Nervous tissue is a vital component of the human body's communication system, enabling us to perceive and respond to stimuli. However, like all other tissues, it is vulnerable to disorders and diseases that can significantly impact our neurological functioning.
Homeostatic Imbalances:
Alzheimer's disease manifests as a gradual decline in memory and cognitive abilities, attributed to the buildup of amyloid plaques and neurofibrillary tangles in the brain.
Parkinson's disease arises from the...
Homeostatic Imbalances:
Alzheimer's disease manifests as a gradual decline in memory and cognitive abilities, attributed to the buildup of amyloid plaques and neurofibrillary tangles in the brain.
Parkinson's disease arises from the...
01:21Cytotoxic Edema: Pathophysiology
Cytotoxic edema is a form of cerebral edema characterized by intracellular swelling of neurons, astrocytes, and other glial cells. It develops when the mechanisms responsible for maintaining ionic gradients across the cell membrane become impaired. Under normal physiological conditions, the sodium–potassium ATPase actively transports sodium ions out of the cell and potassium ions into the cell, preserving osmotic balance and enabling electrical signaling. This pump requires a continuous supply...