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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...

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Updated: Jun 27, 2025

Visualization of Vascular and Parenchymal Regeneration after 70% Partial Hepatectomy in Normal Mice

Visualization of Vascular and Parenchymal Regeneration after 70% Partial Hepatectomy in Normal Mice

Published on: September 13, 2016

Multimodal decoding of human liver regeneration.

K P Matchett¹, J R Wilson-Kanamori¹, J R Portman¹

¹Centre for Inflammation Research, Institute for Regeneration and Repair, University of Edinburgh, Edinburgh, UK.

|May 1, 2024

Summary

This summary is machine-generated.

Researchers discovered a new migratory hepatocyte subpopulation crucial for liver wound closure in acute liver failure (ALF). This finding advances understanding of liver regeneration and potential regenerative medicine therapies.

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Last Updated: Jun 27, 2025

Visualization of Vascular and Parenchymal Regeneration after 70% Partial Hepatectomy in Normal Mice

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Published on: September 13, 2016

Partial Lobular Hepatectomy: A Surgical Model for Morphologic Liver Regeneration

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Published on: May 31, 2018

Partial Hepatectomy in Adult Zebrafish

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Area of Science:

Hepatology and Regenerative Medicine
Cell Biology
Molecular Biology

Background:

The liver possesses remarkable regenerative capacity, often compromised in acute liver failure (ALF), necessitating transplantation.
Understanding human liver regeneration is critical for developing new therapeutic strategies.

Purpose of the Study:

To create a single-cell, pan-lineage atlas of human liver regeneration using advanced sequencing and spatial profiling.
To identify novel cellular mechanisms and subpopulations involved in liver repair following injury.

Main Methods:

Paired single-nucleus RNA sequencing and spatial profiling of healthy and ALF explant human livers.
Acetaminophen (APAP)-induced liver injury model in mice for temporal analysis.
Four-dimensional intravital imaging to observe hepatocyte migration in vivo.

Main Results:

Identification of a novel ANXA2-positive migratory hepatocyte subpopulation in human and mouse liver regeneration.
Demonstration that wound closure precedes hepatocyte proliferation in APAP-induced liver injury.
ANXA2 depletion impairs hepatocyte migration and wound closure, highlighting its role in liver repair.

Conclusions:

Liver regeneration involves an uncoupled process of wound closure and hepatocyte proliferation.
A novel migratory hepatocyte subpopulation actively mediates wound closure.
Targeting hepatocyte migration and gut-liver barrier repair may offer new avenues for regenerative medicine.