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Related Concept Videos

Liver Regeneration01:24

Liver Regeneration

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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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Cell death is an essential process where the body gets rid of old or damaged cells. Cell proliferation and death need to be balanced, as an imbalance between the two may lead to cancer or autoimmune diseases.
Cell death was observed in the early 19th century, but there was no experimental evidence to prove it. In 1842, Carl Vogt first discovered cell death in a metamorphic toad; however, it was not termed ‘cell death.’ Scientists discovered different cell death pathways only in the...
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Related Experiment Video

Updated: Jul 17, 2025

Cell Type-specific Gene Expression Profiling in the Mouse Liver
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Programmed Cell Death in Liver Fibrosis.

Ruoyu Gao1, Haiying Tang2, Jingwei Mao1

  • 1Department of Gastroenterology, First Affiliated Hospital of Dalian Medical University, Dalian, 116011, People's Republic of China.

Journal of Inflammation Research
|September 7, 2023
PubMed
Summary
This summary is machine-generated.

Programmed cell death (PCD) eliminates harmful cells in liver fibrosis. Targeting PCD offers a promising therapeutic strategy to reduce extracellular matrix production and treat liver fibrosis.

Keywords:
apoptosisautophagyferroptosisliver fibrosisnecroptosispyroptosis

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Area of Science:

  • Hepatology
  • Cell Biology
  • Pathogenesis Research

Background:

  • Liver fibrosis is characterized by excessive extracellular matrix (ECM) deposition, primarily driven by activated hepatic stellate cells (HSCs).
  • Programmed cell death (PCD) encompasses various cell death modalities including apoptosis, necroptosis, pyroptosis, ferroptosis, and autophagy.
  • PCD plays a critical role in eliminating aberrant cells, including activated HSCs, which are key contributors to liver fibrosis pathogenesis.

Purpose of the Study:

  • To review recent advancements in understanding programmed cell death (PCD) in the context of liver fibrosis.
  • To summarize the mechanisms by which PCD eliminates activated HSCs and other aberrant liver cells in fibrotic livers.
  • To discuss the complex and dual role of PCD in liver fibrosis, including its therapeutic potential.

Main Methods:

  • Literature review of recent studies on programmed cell death (PCD) and liver fibrosis.
  • Analysis of research investigating the mechanisms of PCD in eliminating activated hepatic stellate cells (HSCs).
  • Examination of studies exploring the interplay between different PCD forms and their impact on fibrotic liver tissue.

Main Results:

  • Programmed cell death (PCD) facilitates the clearance of activated hepatic stellate cells (HSCs), a key factor in mitigating liver fibrosis.
  • Research indicates that PCD is a complex process with potentially dual effects on the progression of liver fibrosis.
  • Various cell types in fibrotic liver tissue, including hepatocytes, LSECs, and Kupffer cells, are subject to PCD.

Conclusions:

  • Programmed cell death (PCD) represents a promising therapeutic target for novel drug development in liver fibrosis treatment.
  • Further research is ongoing to elucidate the precise mechanisms, interplay, and net effects of PCD in liver fibrosis.
  • Targeting PCD offers a potential strategy to impede ECM synthesis by removing activated HSCs, thereby treating liver fibrosis.