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Related Concept Videos

Cellular Injury V: Apoptosis and Autophagy01:22

Cellular Injury V: Apoptosis and Autophagy

Cells respond to damage and stress through highly coordinated processes that decide whether they survive or undergo controlled self-destruction. Two major pathways involved in this regulation are apoptosis, a type of programmed cell death, and autophagy, a survival mechanism that helps cells adapt to adverse conditions.ApoptosisApoptosis removes aged or injured cells to maintain tissue balance. During this process, the cell shrinks, chromatin condenses and fragments, and membrane-bound...
Autophagy01:27

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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 Lysosome

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Inflammation01:38

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An inflammatory response is a localized, nonspecific immune reaction that occurs when a tissue is injured. It is characterized by redness, swelling, heat, and pain, which are commonly called the cardinal signs and symptoms of inflammation. Inflammation can sometimes result in a loss of function.
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Chronic inflammation is a prolonged, dysregulated immune response that persists for weeks to years when the inciting stimulus is difficult to eradicate or when self‑antigens drive ongoing reactivity. Morphologically, it is defined by mononuclear cell infiltration, progressive tissue destruction, and concurrent attempts at healing via angiogenesis and fibrosis. Compared with acute inflammation, edema is less prominent while cellular infiltration predominates; triggers include persistent...

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Updated: May 15, 2026

Exploring the Regulation of Lipid Droplet Catabolism through Lipophagy
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Exploring the Regulation of Lipid Droplet Catabolism through Lipophagy

Published on: January 31, 2025

Autophagy and inflammatory diseases.

Sarah A Jones1, Kingston H G Mills, James Harris

  • 1Immune Regulation Research Group, School of Biochemistry and Immunology, Trinity Biomedical Sciences Institute, Trinity College Dublin, Dublin, Ireland.

Immunology and Cell Biology
|January 16, 2013
PubMed
Summary
This summary is machine-generated.

Autophagy, a cellular process, clears damaged components and regulates inflammation. Understanding its complex role is crucial for developing new therapies for inflammatory and autoimmune diseases.

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Cecal Ligation and Puncture-induced Sepsis as a Model To Study Autophagy in Mice
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Published on: February 9, 2014

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Last Updated: May 15, 2026

Exploring the Regulation of Lipid Droplet Catabolism through Lipophagy
07:20

Exploring the Regulation of Lipid Droplet Catabolism through Lipophagy

Published on: January 31, 2025

Cecal Ligation and Puncture-induced Sepsis as a Model To Study Autophagy in Mice
06:40

Cecal Ligation and Puncture-induced Sepsis as a Model To Study Autophagy in Mice

Published on: February 9, 2014

Area of Science:

  • Cellular Biology
  • Immunology
  • Molecular Medicine

Background:

  • Autophagy is a fundamental cellular process responsible for degrading damaged organelles and intracellular pathogens.
  • It plays a critical role in maintaining cellular homeostasis and regulating inflammatory responses by clearing inflammasomes and cytokines.
  • Dysfunctional autophagy is linked to increased susceptibility to autoimmune and inflammatory disorders, such as inflammatory bowel disease.

Purpose of the Study:

  • To review the multifaceted roles of autophagy in the induction and maintenance of inflammation.
  • To explore the involvement of autophagy in the etiology and regulation of inflammatory and autoimmune disorders.
  • To highlight the importance of understanding autophagy's complex contributions to inflammation for therapeutic development.

Main Methods:

  • Literature review of existing studies on autophagy and inflammation.
  • Analysis of genetic association studies linking autophagy defects to disease susceptibility.
  • Synthesis of current knowledge on the molecular mechanisms underlying autophagy's role in immune regulation.

Main Results:

  • Autophagy is essential for clearing cellular debris, including damaged mitochondria and inflammasomes, thereby modulating inflammatory signaling pathways.
  • Defects in autophagy are associated with impaired immune surveillance and heightened inflammatory responses, contributing to autoimmune conditions.
  • The process influences both the initiation and resolution phases of inflammation, with its precise role varying with cellular context and stimuli.

Conclusions:

  • Autophagy is a critical regulator of inflammation, impacting cellular homeostasis and immune function.
  • Understanding the intricate mechanisms of autophagy is vital for interpreting inflammatory disease pathogenesis.
  • Targeting autophagy presents a promising therapeutic strategy for managing inflammatory and autoimmune disorders, necessitating a comprehensive grasp of its complex functions.