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Related Concept Videos

Autophagy01:27

Autophagy

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Autophagy is a self-digesting process by which a cell protects itself from threats both within and outside the cell, ranging from abnormal proteins to invading bacteria. In this process, obsolete components of the cell and invading microbes are degraded by hydrolytic enzymes active in an acidic environment of the lysosomal lumen.
An autophagic pathway consists of a series of signaling events activated in response to diverse stress and physiological conditions such as food deprivation,...
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Delivery Pathways to the Lysosome01:36

Delivery Pathways to the Lysosome

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Eukaryotic cells use different mechanisms to eliminate toxic waste obsolete and worn-out substances. Lysosomes play a pivotal role in this, and hence, these substances are carried to the lysosome from other parts of the cell and extracellular space through different pathways. The most elaborately studied pathways to the lysosome are the endocytic pathways.
Endocytosis
In endocytosis, the cell membrane takes up macromolecules and particles from the surrounding medium. Clathrin-mediated...
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Autophagic Cell Death01:18

Autophagic Cell Death

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Christian de Duve discovered “autophagy,” a process in which cellular components are engulfed by membrane-bound organelles called autophagosomes. The autophagosomes then fuse with lysosomes to digest the enclosed contents. Autophagy is generally activated in cells to prevent cell death. However, cell death is triggered when the damage is beyond repair.
Autophagy and Apoptosis
Autophagy can activate apoptosis. In normal conditions, the autophagy activating protein Beclin-1 and...
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Translocation of Proteins into the Mitochondria01:19

Translocation of Proteins into the Mitochondria

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Mitochondrial precursors are translocated to the internal subcompartments via independent mechanisms involving distinct protein machineries called translocases.
Sorting of outer membrane proteins:
Mitochondrial outer membrane proteins are of two types: the transmembrane, beta-barrel porins, and the membrane-anchored, alpha-helical proteins. Beta-barrel porin precursors are translocated by the TOM complex and inserted into the outer mitochondrial membrane by the SAM complex. In contrast,...
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Electron Transport Chain: Complex I and II01:46

Electron Transport Chain: Complex I and II

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The mitochondrial electron transport chain (ETC) is the main energy generation system in the eukaryotic cells. However, mitochondria also produce cytotoxic reactive oxygen species (ROS) due to the large electron flow during oxidative phosphorylation. While Complex I is one of the primary sources of superoxide radicals, ROS production by Complex II is uncommon and may only be observed in cancer cells with mutated complexes.
ROS generation is regulated and maintained at moderate levels necessary...
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Cardiomyopathy V: Interprofessional Care01:29

Cardiomyopathy V: Interprofessional Care

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Managing cardiomyopathy involves addressing underlying or precipitating causes, treating heart failure with medications, and implementing dietary changes and a balanced exercise and rest regimen.Lifestyle ModificationsCardiomyopathy patients should adopt a low-sodium diet to reduce fluid retention and manage heart failure. A personalized exercise and rest plan helps maintain physical fitness without overstraining the heart. Avoiding alcohol and tobacco is essential to prevent further damage to...
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Related Experiment Video

Updated: Dec 25, 2025

Visualizing Mitophagy with Fluorescent Dyes for Mitochondria and Lysosome
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Visualizing Mitophagy with Fluorescent Dyes for Mitochondria and Lysosome

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Mitophagy in Cardiovascular Diseases.

Giampaolo Morciano1,2, Simone Patergnani1,2, Massimo Bonora2

  • 1Maria Cecilia Hospital, GVM Care & Research, Via Corriera 1, Cotignola, 48033 Ravenna, Italy.

Journal of Clinical Medicine
|March 28, 2020
PubMed
Summary
This summary is machine-generated.

Mitophagy, the removal of damaged mitochondria, is crucial for cellular health and combats cardiovascular diseases. Understanding mitophagy mechanisms offers potential new cardioprotective therapies.

Keywords:
autophagycardiovascular diseasesmitochondriamitophagy

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Sensitive Measurement of Mitophagy by Flow Cytometry Using the pH-dependent Fluorescent Reporter mt-Keima
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Sensitive Measurement of Mitophagy by Flow Cytometry Using the pH-dependent Fluorescent Reporter mt-Keima

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In Vitro and In Vivo Detection of Mitophagy in Human Cells, C. Elegans, and Mice
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In Vitro and In Vivo Detection of Mitophagy in Human Cells, C. Elegans, and Mice

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Related Experiment Videos

Last Updated: Dec 25, 2025

Visualizing Mitophagy with Fluorescent Dyes for Mitochondria and Lysosome
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Visualizing Mitophagy with Fluorescent Dyes for Mitochondria and Lysosome

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Sensitive Measurement of Mitophagy by Flow Cytometry Using the pH-dependent Fluorescent Reporter mt-Keima
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Sensitive Measurement of Mitophagy by Flow Cytometry Using the pH-dependent Fluorescent Reporter mt-Keima

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In Vitro and In Vivo Detection of Mitophagy in Human Cells, C. Elegans, and Mice
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In Vitro and In Vivo Detection of Mitophagy in Human Cells, C. Elegans, and Mice

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Area of Science:

  • Cardiology
  • Mitochondrial Biology
  • Cellular Quality Control

Background:

  • Cardiovascular diseases (CVDs) are a major cause of mortality, often linked to mitochondrial dysfunction.
  • Mitophagy, a selective form of autophagy, removes damaged mitochondria, maintaining cellular energy and homeostasis.
  • Dysfunctional mitochondria contribute to negative phenotypic changes in various cardiovascular pathologies.

Purpose of the Study:

  • To review the role and mechanisms of mitophagy in cardiovascular diseases.
  • To highlight the importance of mitophagy in cardiac surgery and cardiology.
  • To explore compounds that modulate mitophagy for cardioprotective effects.

Main Methods:

  • Literature review of mitophagy and autophagy mechanisms in CVDs.
  • Focus on specific conditions: atherosclerosis, ischemic heart disease, cardiomyopathies, heart failure, hypertension, arrhythmia, congenital heart disease, and peripheral vascular disease.
  • Analysis of studies on mitophagy-modulating compounds for cardioprotection.

Main Results:

  • Mitophagy is essential for counteracting detrimental cellular changes in CVDs.
  • Understanding mitophagy's molecular players is key for developing novel therapeutic strategies.
  • Existing compounds show potential in modulating mitophagy for cardioprotective benefits.

Conclusions:

  • Mitophagy is a critical quality control process in the heart.
  • Targeting mitophagy presents a promising avenue for treating and preventing cardiovascular diseases.
  • Further research into mitophagy modulation could revolutionize cardiac care and surgery.