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Ischemic Stroke l: Introduction

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

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...

Transient Ischemic Attack l: Introduction

Transient Ischemic Attack l: Introduction

A transient ischemic attack (TIA) is a brief episode of neurological dysfunction caused by a temporary, focal reduction in cerebral blood flow. Although symptoms resemble those of an ischemic stroke, the interruption in perfusion is short-lived and does not cause permanent infarction. TIAs are clinically important because they often serve as early warning events for future stroke.Mechanisms of Transient Cerebral IschemiaTransient cerebral ischemia may arise through several mechanisms. One...

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Related Experiment Video

Updated: May 29, 2026

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

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

Published on: December 15, 2023

Minocycline development for acute ischemic stroke.

Susan C Fagan¹, Lydia E Cronic, David C Hess

¹Program in Clinical and Experimental Therapeutics, University of Georgia College of Pharmacy, HM 1200, 1120 15th St., Augusta, GA 30912, USA. Charlie Norwood VA Medical Center, Augusta, GA, USA. Department of Neurology, Georgia Health Sciences University, Augusta, GA, USA.

Translational Stroke Research

|September 13, 2011

Summary

This summary is machine-generated.

Minocycline, a neuroprotective antibiotic, shows promise for acute ischemic stroke treatment. Further clinical trials are needed to confirm its efficacy and optimal use in stroke therapy.

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Optimized Management of Endovascular Treatment for Acute Ischemic Stroke

Optimized Management of Endovascular Treatment for Acute Ischemic Stroke

Published on: January 18, 2018

Area of Science:

Neuroscience
Pharmacology
Neurology

Background:

Minocycline exhibits anti-inflammatory, anti-apoptotic, and neuroprotective properties.
Its ability to cross the blood-brain barrier and favorable safety profile make it suitable for stroke intervention.
Previous studies in animal models demonstrate reduced infarct size and improved outcomes with minocycline administration.

Purpose of the Study:

To evaluate the potential of minocycline as a therapeutic agent for acute ischemic stroke.
To assess the safety and efficacy of minocycline in clinical trials for stroke patients.
To determine the optimal role of minocycline in acute stroke management.

Main Methods:

Review of preclinical animal models of cerebral ischemia and neurodegenerative disease.
Analysis of data from early-phase clinical trials investigating minocycline in acute ischemic stroke.
Assessment of minocycline's effects when administered alone or with tissue plasminogen activator.

Main Results:

Minocycline demonstrated neuroprotective benefits, reducing infarct size and improving neurologic outcomes in animal models.
Early clinical trials indicate minocycline is safe and potentially effective for acute ischemic stroke.
Both acute and delayed administration of minocycline showed therapeutic advantages.

Conclusions:

Minocycline is a promising candidate for acute ischemic stroke therapy due to its neuroprotective effects and favorable pharmacokinetic properties.
Existing clinical data suggest safety and potential efficacy, warranting further investigation.
A large-scale clinical trial is essential to confirm efficacy, enable subgroup analysis, and establish minocycline's definitive role in stroke treatment.