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Liver Regeneration

Liver Regeneration

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.
Cells of Liver
The liver comprises four major types of cells— hepatocytes, stellate, Kupffer, and sinusoidal endothelial cells. The hepatocytes are large...

Tissue Renewal without Stem Cells

Tissue Renewal without Stem Cells

After cellular or tissue damage, the resident stem cells present in the human body can locally repair and regenerate the damaged tissue or organ. However, even though some tissues do not have stem cells, they can repair and regenerate with the help of pre-existing cells. For example, beta cells of the pancreas and hepatocytes of the liver can divide to renew and regenerate the tissue. Here, both cell division and cell death are well regulated by homeostasis.
However, failure of such a system...

Cirrhosis II: Pathophysiology

Cirrhosis II: Pathophysiology

Cirrhosis is a progressive chronic liver injury caused by prolonged inflammation, excessive fibrotic remodeling, and impaired regeneration. Over time, repeated hepatic insults disrupt the liver’s architecture and function, leading to reduced blood flow, impaired bile drainage, and diminished metabolic capacity.Pathophysiology of cirrhosisCirrhosis arises from three main responses to chronic liver damage: inflammation, immune activation, and hepatocyte death. These processes lead to structural...

Overview of Regeneration and Repair

Overview of Regeneration and Repair

Regeneration and repair processes are critical in healing damages caused by injury, disease, and aging. In regeneration, the damaged tissue is entirely replaced with new growth that restores the original architecture and function. In contrast, tissue repair usually results in a fixed tissue architecture involving scar formation. Scars generally do not reestablish tissue function and may also exhibit structural abnormalities at the injury site.
Regeneration
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Whole Body Regeneration

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Related Experiment Video

Updated: Jun 5, 2026

Hepatocyte-specific Ablation in Zebrafish to Study Biliary-driven Liver Regeneration

Hepatocyte-specific Ablation in Zebrafish to Study Biliary-driven Liver Regeneration

Published on: May 20, 2015

New concepts in liver regeneration.

Kimberly J Riehle¹, Yock Y Dan, Jean S Campbell

¹Department of Surgery, University of Washington, Seattle, USA. kriehle@u.washington.edu

Journal of Gastroenterology and Hepatology

|January 5, 2011

Summary

Liver regeneration, a key to treating liver failure, is being advanced by molecular discoveries. Research explores cell proliferation and progenitor cell therapy, nearing clinical applications.

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Last Updated: Jun 5, 2026

Hepatocyte-specific Ablation in Zebrafish to Study Biliary-driven Liver Regeneration

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Partial Lobular Hepatectomy: A Surgical Model for Morphologic Liver Regeneration

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Isolation and Enrichment of Liver Progenitor Subsets Identified by a Novel Surface Marker Combination

Isolation and Enrichment of Liver Progenitor Subsets Identified by a Novel Surface Marker Combination

Published on: February 18, 2017

Area of Science:

Hepatology and Regenerative Medicine
Molecular Biology and Cell Signaling

Background:

The liver's remarkable self-repair capacity makes it a model for mammalian organ regeneration.
Understanding liver regeneration is crucial for treating liver failure and understanding cancer development in cirrhosis.

Purpose of the Study:

To review the progress in liver regeneration research over the past decades.
To highlight novel concepts and discuss challenges in translating regenerative approaches to clinical therapy.

Main Methods:

Review of scientific literature and clinical trial data on liver regeneration.
Analysis of molecular mechanisms regulating cell proliferation and progenitor cell therapy.

Main Results:

Significant advances in identifying regulatory molecules have propelled regenerative medicine.
Over 10 clinical trials have explored progenitor cell therapy for liver regeneration.

Conclusions:

Liver regeneration research is on the cusp of major breakthroughs, with ongoing challenges in clinical application.
Continued investigation into molecular pathways and cell-based therapies holds promise for future liver disease treatments.