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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.
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Delivery Pathways to the Lysosome01:36

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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.
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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.
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Liver Regeneration01:24

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The liver is an important organ in vertebrates that plays an essential role in metabolism. It is also responsible for storing and redistributing nutrients such as carbohydrates, fats, and vitamins in the body. Additionally, the liver releases bile salts which are critical for digesting food and eliminating toxic metabolites from the body.
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Lysosomal Hydrolases01:22

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Lysosomes are the site for the degradation of macromolecules and biological polymers released during membrane trafficking events such as secretory, endocytic, autophagic, and phagocytic pathways. The membrane-enclosed area of the lysosome, called the lumen, contains hydrolytic enzymes active in an acidic environment. These acid hydrolases are functional at a pH between 4.5 and 5 and are involved in cellular processes such as cell signaling, energy metabolism, restoration of the plasma membrane,...
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Effect of Hepatic Disease on Pharmacokinetics: Drug Dosing and Hepatic Blood Flow01:26

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Chronic liver disease significantly impacts drug metabolism due to alterations in hepatic blood flow and enzyme accessibility. This disruption affects the body's pharmacokinetics—the movement and processing of drugs within the system. Key enzymes crucial for metabolizing medications become less accessible, changing how drugs are processed and utilized. Furthermore, liver disease influences the synthesis of plasma proteins, such as albumin and globulins, which play critical roles in drug...
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Updated: Oct 11, 2025

Cell Type-specific Gene Expression Profiling in the Mouse Liver
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[Autophagy in the liver failure].

H R Xu1, X Wang2, Y D Wang3

  • 1Department of Infectious Diseases, the Third Affiliated Hospital of Hebei Medical University, Shijiazhuang 050051, China; Huaihe Hospital of Henan University, Kaifeng 475000, China.

Zhonghua Gan Zang Bing Za Zhi = Zhonghua Ganzangbing Zazhi = Chinese Journal of Hepatology
|December 6, 2021
PubMed
Summary
This summary is machine-generated.

Autophagy plays a crucial role in liver failure, influencing cell death pathways like necrosis and apoptosis. Understanding autophagy mechanisms is key for developing new liver failure treatments.

Keywords:
ApoptosisCell autophagyLiver failureNecrosisSIRT1

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Exploring the Regulation of Lipid Droplet Catabolism through Lipophagy
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Area of Science:

  • Hepatology
  • Cell Biology
  • Molecular Medicine

Background:

  • Liver failure is a critical condition characterized by rapid, extensive liver cell necrosis and high mortality.
  • The role of autophagy, a cellular self-degradation process, in liver failure pathogenesis is gaining significant research interest.
  • Investigating autophagy's regulatory mechanisms is vital for advancing liver failure prevention and treatment strategies.

Purpose of the Study:

  • To explore and summarize the intricate relationship between autophagy and liver cell death (necrosis and apoptosis) in liver failure.
  • To elucidate the specific mechanisms and expression levels of autophagy across different stages of liver failure.
  • To provide a comprehensive reference for future research and clinical interventions in liver failure.

Main Methods:

  • Literature review of domestic and international research on liver failure and autophagy.
  • Analysis of existing studies on the interplay between autophagy, necrosis, and apoptosis.
  • Synthesis of data regarding autophagy's mechanistic roles and expression patterns in liver failure.

Main Results:

  • Autophagy is closely linked to both necrosis and apoptosis in the context of liver failure.
  • The expression and function of autophagy vary significantly throughout the different stages of liver failure.
  • Specific molecular pathways governing autophagy's impact on liver failure are being identified.

Conclusions:

  • Autophagy is a critical cellular process implicated in the progression and outcomes of liver failure.
  • Targeting autophagy pathways presents a promising therapeutic avenue for managing liver failure.
  • Further research into autophagy modulation could lead to improved clinical treatments for liver failure patients.