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Related Concept Videos

Ischemic Stroke l: Introduction01:15

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: Pathophysiology01:15

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...
Regulation of Stroke Volume01:27

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...
Hemorrhagic Stroke ll: Pathophysiology01:29

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...

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Related Experiment Video

Updated: May 19, 2026

Induction of Acute Ischemic Stroke in Mice Using the Distal Middle Artery Occlusion Technique
07:34

Induction of Acute Ischemic Stroke in Mice Using the Distal Middle Artery Occlusion Technique

Published on: December 15, 2023

ROCKs as immunomodulators of stroke.

Qing Mei Wang1, James K Liao

  • 1Spaulding Rehabilitation Hospital, Department of Physical Medicine and Rehabilitation, Boston, MA, USA.

Expert Opinion on Therapeutic Targets
|August 29, 2012
PubMed
Summary
This summary is machine-generated.

Rho-associated coiled-coil containing kinases (ROCKs) are implicated in stroke inflammation and recovery. ROCK inhibitors show promise for stroke prevention, neuroprotection, and rehabilitation by modulating inflammatory responses.

More Related Videos

Isolation and Flow Cytometric Analysis of Immune Cells from the Ischemic Mouse Brain
12:14

Isolation and Flow Cytometric Analysis of Immune Cells from the Ischemic Mouse Brain

Published on: February 12, 2016

Related Experiment Videos

Last Updated: May 19, 2026

Induction of Acute Ischemic Stroke in Mice Using the Distal Middle Artery Occlusion Technique
07:34

Induction of Acute Ischemic Stroke in Mice Using the Distal Middle Artery Occlusion Technique

Published on: December 15, 2023

Isolation and Flow Cytometric Analysis of Immune Cells from the Ischemic Mouse Brain
12:14

Isolation and Flow Cytometric Analysis of Immune Cells from the Ischemic Mouse Brain

Published on: February 12, 2016

Area of Science:

  • Neuroscience
  • Inflammation Research
  • Cardiovascular Science

Background:

  • Stroke is a leading cause of death and disability.
  • Inflammation plays a critical role in stroke pathophysiology.
  • Rho-associated coiled-coil containing kinases (ROCKs) are key mediators of inflammation.

Purpose of the Study:

  • To discuss the role of ROCKs in stroke-related inflammation.
  • To explore therapeutic opportunities using ROCK inhibitors for stroke.
  • To examine ROCKs' impact on stroke prevention and recovery.

Main Methods:

  • Review of pathophysiological roles of ROCKs in stroke.
  • Discussion of ROCK inhibitors in stroke treatment and prevention.
  • Analysis of ROCKs' influence on inflammatory pathways.

Main Results:

  • ROCKs mediate inflammation, platelet activation, and thrombus formation in stroke.
  • ROCK inhibitors demonstrate benefits in stroke prevention, neuroprotection, and recovery.
  • ROCKs affect endothelial function, smooth muscle contraction, and neuronal regeneration.

Conclusions:

  • ROCK-mediated inflammation is a potential therapeutic target for stroke.
  • Immunomodulation offers novel approaches for stroke prevention and treatment.
  • Further research is needed to clarify ROCK isoform roles and regulatory mechanisms in stroke.