Related Experiment Video
Updated: Jun 28, 2026
11:32
Evaluating Cell Death Signaling by Immunofluorescence in a Rat Model of Ischemic Stroke
Published on: January 3, 2025
Targeting cerebrovascular Rho-kinase in stroke
Hwa Kyoung Shin1, Salvatore Salomone, Cenk Ayata
1Pusan National University, Medical Research Center for Ischemic Tissue Regeneration, 10 Ami-dong, 1-Ga, Seo-Gu, Busan 602-739, Korea.
Expert Opinion on Therapeutic Targets
|November 15, 2008
Summary
Rho-associated kinase (ROCK) is a promising therapeutic target for stroke. Inhibiting ROCK shows protective effects in cerebral ischemia models, improving outcomes and recovery.
Area of Science:
- Neuroscience
- Cardiovascular Biology
- Pharmacology
Background:
- Rho-associated kinase (ROCK) is implicated in vascular diseases, including stroke.
- ROCK is present in stroke-relevant cell types and influences physiological functions.
Purpose of the Study:
- To review Rho-associated kinase (ROCK) as a therapeutic target for cerebral ischemia.
- To explore translational aspects, opportunities, and challenges for stroke prophylaxis and treatment.
Main Methods:
- Literature review of studies on ROCK in cerebral ischemia.
Main Results:
- ROCK activity increases with risk factors (diabetes, hypertension) and cerebral ischemia.
- ROCK activation may elevate stroke risk and worsen outcomes; inhibition demonstrates protective effects in models.
- ROCK inhibition offers benefits through diverse mechanisms.
Conclusions:
- Rho-associated kinase (ROCK) presents a viable therapeutic target across all stroke phases.
Related Concept Videos
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...
01:17Hemorrhagic 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...
01:15Ischemic 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...
01:27Regulation 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...
01:15Ischemic 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.