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Ischemic Heart Disease: Overview

Ischemic Heart Disease: Overview

Ischemic heart disease occurs when the heart's blood supply dwindles, causing an ominous lack of oxygen and nutrients. This deficiency, stemming from reduced or obstructed blood flow, spells danger, leading to heart muscle damage and dysfunction.
Atherosclerosis, the primary malefactor, orchestrates this dangerous condition. It manifests as the accumulation of fatty deposits, akin to insidious plaques, within arterial walls. As time elapses, these plaques metamorphose, hardening and...

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Related Experiment Video

Updated: Oct 19, 2025

Quantification of Neurovascular Protection Following Repetitive Hypoxic Preconditioning and Transient Middle Cerebral Artery Occlusion in Mice

Quantification of Neurovascular Protection Following Repetitive Hypoxic Preconditioning and Transient Middle Cerebral Artery Occlusion in Mice

Published on: May 4, 2015

Mitochondrial quality control in acute ischemic stroke.

Hong An¹, Bing Zhou^1,2,3, Xunming Ji^1,2,3,4

¹Department of Neurology and China-America Institute of Neuroscience, Xuanwu Hospital, Capital Medical University, Beijing, China.

Journal of Cerebral Blood Flow and Metabolism : Official Journal of the International Society of Cerebral Blood Flow and Metabolism

|September 23, 2021

Summary

This summary is machine-generated.

Mitochondria are crucial in acute ischemic stroke. This review explores how mitochondrial quality control mechanisms aid neurovascular unit recovery and offers targets for new stroke therapies.

Keywords:

Acute ischemic stroke intercellular mitochondrial transfer mitochondrial biogenesis mitochondrial dynamics mitochondrial quality control mitochondrial unfolded protein response mitophagy

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Area of Science:

Neuroscience
Cell Biology
Pathophysiology

Background:

Mitochondria are central to acute ischemic stroke pathophysiology.
Cerebral blood flow disruption causes mitochondrial dysfunction and bioenergetic stress.
Cells activate mitochondrial quality control (MQC) mechanisms to cope with stress.

Purpose of the Study:

To review MQC mechanisms in acute ischemic stroke.
To understand how MQC pathways maintain mitochondrial homeostasis.
To provide a rationale for developing novel neuroprotectants.

Main Methods:

Literature review focusing on MQC in acute ischemic stroke.
Analysis of adaptive response strategies.
Synthesis of current understanding of regulatory pathways.

Main Results:

MQC mechanisms include mitochondrial unfolded protein response, fission/fusion, mitophagy, biogenesis, and intercellular transfer.
These adaptive strategies help maintain mitochondrial network integrity and function.
MQC contributes to neurovascular unit homeostasis recovery.

Conclusions:

Understanding MQC in stroke is vital for developing new treatments.
Targeting MQC pathways holds promise for neuroprotection.
Failure of MQC mechanisms in stroke necessitates therapeutic intervention.