Related Experiment Video
Updated: Jun 9, 2026
05:40
Dural Stimulation and Periorbital von Frey Testing in Mice As a Preclinical Model of Headache
Published on: July 29, 2021
Dementia, stroke and migraine--some common pathological mechanisms
Katalin Sas1, Arpád Párdutz, József Toldi
1Department of Neurology, University of Szeged, H-6725 Szeged, Semmelweis u. 6., Hungary.
Journal of the Neurological Sciences
|September 11, 2010
Summary
Mitochondrial dysfunction is a key factor in dementia, stroke, and migraine pathogenesis. Understanding these shared mechanisms may lead to new therapies for these common neurological disorders.
Area of Science:
- Neurology
- Cellular Biology
- Pathophysiology
Background:
- Dementia, stroke, and migraine are prevalent neurological disorders causing significant disability.
- Current therapeutic options for these conditions are often inadequate.
- These disorders, despite differing symptoms, may share underlying pathophysiological mechanisms.
Purpose of the Study:
- To review the pathogenesis of dementia, stroke, and migraine.
- To highlight the role of mitochondrial malfunction in these neurological disorders.
- To explore the connections between these conditions through the lens of mitochondrial dysfunction.
Main Methods:
- Literature review focusing on the pathogenesis of dementia, stroke, and migraine.
- Analysis of shared pathophysiological mechanisms, including genetic factors, energy deficits, excitotoxicity, and vascular properties.
- Emphasis on the role of metabolic disturbances and mitochondrial function.
Main Results:
- Common mechanisms like genetic background, energy deficit, excitotoxicity, and vascular issues contribute to neuronal dysfunction and cell death in all three disorders.
- Metabolic disturbances in brain cells, particularly mitochondrial malfunction, are central to their pathogenesis.
- Neuronal damage is implicated in dementia, stroke, and increasingly, in migraine.
Conclusions:
- Mitochondrial malfunction is a significant common factor in the pathogenesis of dementia, stroke, and migraine.
- Understanding these shared mitochondrial pathways offers potential for novel therapeutic strategies.
- Further research into mitochondrial dysfunction could bridge the gap in treating these debilitating neurological conditions.
More Related Videos
Related Concept Videos
01:22Dementia l: Introduction
Dementia is an acquired, progressive syndrome characterized by a decline in multiple cognitive domains severe enough to impair daily functioning and reduce independence. Although memory loss is a central feature, the diagnosis requires additional deficits involving language, executive function, visuospatial skills, judgment, calculation, or abstract reasoning. These cognitive impairments reflect underlying neurodegenerative or vascular processes that gradually disrupt neuronal networks...
01:17Hemorrhagic Stroke l: Introduction
A hemorrhagic stroke is an acute neurological event that occurs when a weakened cerebral blood vessel ruptures, allowing blood to accumulate within or around the brain. The sudden release of blood forms a focal hematoma that increases intracranial pressure, displaces neural tissue, and can obstruct cerebrospinal fluid pathways. These effects may be compounded by intraventricular extension of the hemorrhage, cerebral edema, or compression of adjacent structures, all of which contribute to...
01:23Alzheimer Disease ll: Pathophysiology
Alzheimer disease involves structural changes in the brain that begin long before symptoms appear. The most distinctive features are extracellular neuritic plaques and intracellular neurofibrillary tangles.Neuritic plaques form in the cerebral cortex and around blood vessels. These plaques contain a dense core of beta-amyloid (Aβ)—a toxic protein fragment that clumps outside neurons. The core is surrounded by damaged neuronal extensions, as well as reactive astrocytes and microglia. Abnormal...
01:29Hemorrhagic Stroke ll: Pathophysiology
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...
01:29Alzheimer Disease l: Introduction
Alzheimer disease is a chronic, progressive, and irreversible neurodegenerative disorder and the most common cause of dementia in older adults. It leads to gradual neuronal loss, causing cognitive decline, behavioral changes, and loss of functional independence.Risk Factors and EtiologyThe disease is multifactorial. Age is the strongest risk factor, with prevalence doubling every 5 years after age 65. Genetic factors include mutations in genes such as APP, PSEN1, and PSEN2, which are associated...
01:15Ischemic Stroke ll: Pathophysiology
An ischemic stroke occurs when a cerebral blood vessel becomes obstructed, most often by a thrombus or embolus, interrupting the delivery of oxygen and glucose to brain tissue. Because neurons rely on continuous aerobic metabolism, energy failure begins within minutes of reduced perfusion. The region receiving the least blood flow becomes the infarct core, an area of irreversible cellular death. Surrounding this core lies the penumbra, a zone of hypoperfused but still viable tissue that is...