Related Experiment Video
Updated: Jun 12, 2026

06:01
A Thrombotic Stroke Model Based On Transient Cerebral Hypoxia-ischemia
Published on: August 18, 2015
Genetic basis of stroke: an overview
1Department of Molecular Biology, Institute of Genetics and Hospital for Genetic Diseases OU, Begumpet, Hyderabad - 500 016, India. anjanadurani@yahoo.co.in
Neurology India
|May 29, 2010
Summary
Genetic factors contribute to stroke risk, influencing personalized medicine. Genome-wide studies are emerging to link genetic information with clinical decisions for stroke patients.
Area of Science:
- Genetics
- Neurology
- Epidemiology
Background:
- Stroke is a complex disease with significant social and economic impacts.
- Epidemiological studies indicate a genetic component to stroke risk, suggesting both single gene and polygenic multifactorial influences.
- While candidate gene mutations have been linked to stroke, reliable markers remain elusive in population studies.
Purpose of the Study:
- To explore the role of genetics in stroke risk.
- To understand how genetic information can advance individualized medicine for stroke.
- To review the implications of recent genome-wide association studies in stroke.
Main Methods:
- Review of epidemiological studies on stroke genetics.
- Analysis of findings from candidate gene association studies.
- Discussion of the impact of the Human Genome Project and genome-wide association studies (GWAS) on stroke research.
Main Results:
- Genetics plays a role in stroke etiology, ranging from single gene disorders to polygenic multifactorial conditions.
- Genome-wide genetic information integration with medical data is key to personalized medicine.
- The first genome-wide association study for ischemic stroke has been published, paving the way for future research.
Conclusions:
- Genetics is integral to understanding stroke risk.
- Genome-wide association studies hold promise for tailoring clinical and therapeutic decisions based on individual genotypes.
- The future of stroke management may involve individualized treatments informed by genetic makeup.
Related Concept Videos
Ischemic Stroke l: Introduction
Ischemic stroke is an acute cerebrovascular condition in which blood flow to a brain region is suddenly interrupted, leading to tissue infarction. Neurons depend on continuous oxygen and glucose supply, so even brief reductions in perfusion cause energy failure, ionic imbalance, and irreversible injury. Ischemic strokes are classified into thrombotic and embolic types based on their underlying mechanisms.Thrombotic MechanismsThrombotic stroke develops when a clot forms within a cerebral artery.
Ischemic 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...
Stroke: Introduction and Types
A stroke is an acute neurological event caused by the sudden disruption of cerebral blood flow, leading to rapid loss of neuronal function. Neurons depend on continuous oxygen and glucose supply, so even brief interruptions can cause irreversible injury within minutes. Strokes are classified into ischemic and hemorrhagic types.Ischemic StrokeIschemic strokes are most common and occur due to arterial occlusion, depriving brain tissue of oxygen and nutrients. This leads to energy failure, ionic...
Hemorrhagic 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...
Hemorrhagic 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...
Regulation of Stroke Volume
The regulation of stroke volume, which is the amount of blood the heart pumps out during each heartbeat, is critical for maintaining a healthy circulatory system. Stroke volume is influenced by three main factors: preload, contractility, and afterload.
Preload refers to the degree of stretch on the heart before it contracts. It's analogous to the stretching of a rubber band; the more it's stretched, the more forcefully it snaps back. This concept is encapsulated in the Frank-Starling law of the...
Preload refers to the degree of stretch on the heart before it contracts. It's analogous to the stretching of a rubber band; the more it's stretched, the more forcefully it snaps back. This concept is encapsulated in the Frank-Starling law of the...
