Related Experiment Video
Updated: May 13, 2026

08:49
Cultivating a Three-dimensional Reconstructed Human Epidermis at a Large Scale
Published on: May 28, 2021
The regenerative activity of interleukin-6
Eithan Galun1, Stefan Rose-John
1Goldyne Savad Inst. of Gene Therapy, Hadassah Hebrew University Hospital, Jerusalem, Israel.
Methods in Molecular Biology (Clifton, N.J.)
|March 5, 2013
Summary
Interleukin-6 (IL-6) drives inflammation and cancer. A modified form, Hyper-IL-6, enhances IL-6 trans-signaling, promoting tissue regeneration in animal models for potential therapeutic use.
Area of Science:
- Biochemistry
- Immunology
- Regenerative Medicine
Background:
- Interleukin-6 (IL-6) is a cytokine involved in inflammation, cancer, and immune responses.
- IL-6 signaling typically requires binding to its receptor (IL-6R) on hepatocytes and leukocytes.
- Cells lacking IL-6R can be activated via IL-6 trans-signaling involving soluble IL-6R (sIL-6R).
Purpose of the Study:
- To review the regenerative activities of IL-6, particularly those dependent on sIL-6R.
- To evaluate the therapeutic potential of Hyper-IL-6, a designer cytokine mimicking IL-6 trans-signaling.
- To explore Hyper-IL-6 as a novel approach in regenerative medicine.
Main Methods:
- Review of existing literature on IL-6 activities and trans-signaling.
- Analysis of in vitro and in vivo data from animal models using Hyper-IL-6.
- Evaluation of Hyper-IL-6 efficacy in inducing regeneration.
Main Results:
- IL-6 plays a role in liver regeneration and B-cell stimulation.
- sIL-6R enables IL-6 to activate cells not expressing IL-6R through trans-signaling.
- Hyper-IL-6 demonstrated higher efficacy than natural IL-6/sIL-6R in mimicking trans-signaling responses.
Conclusions:
- Hyper-IL-6 effectively mimics IL-6 trans-signaling, showing potent regenerative capabilities.
- Hyper-IL-6 holds promise for therapeutic applications in regenerative medicine, particularly for liver and kidney tissues.
- Further research into Hyper-IL-6 could lead to novel treatments for tissue repair and regeneration.
Related Concept Videos
T Cell Types and Functions
When T cells with CD4 markers are activated, they give rise to two types of effector cells: helper T cells and regulatory T cells. Meanwhile, T cells with CD8 markers differentiate into effector cytotoxic T cells. The differentiation of CD4 T cells into helper T cell subsets, such as Th1, Th2, and Th17 cells, is dependent on the antigen type, antigen-presenting cell, and regulatory cytokines.
Th1 cells stimulate dendritic cells to express necessary co-stimulatory molecules on their surfaces for...
Th1 cells stimulate dendritic cells to express necessary co-stimulatory molecules on their surfaces for...
Inflammatory Response
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.
Inflammation can be triggered by various stimuli, such as impact, abrasion, chemical irritation, infections, and extreme hot or cold temperatures. These can damage cells and connective tissue fibers,...
Inflammation can be triggered by various stimuli, such as impact, abrasion, chemical irritation, infections, and extreme hot or cold temperatures. These can damage cells and connective tissue fibers,...
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...
Cells of Liver
The liver comprises four major types of cells— hepatocytes, stellate, Kupffer, and sinusoidal endothelial cells. The hepatocytes are large...
The JAK-STAT Signaling Pathway
Several cytokine receptors have tightly bound Janus kinase or JAK proteins attached at their cytosolic tail. Small signaling molecules such as cytokines, growth hormones, or prolactins bind to the cytokine receptors and initiate their dimerization. The dimerization brings the cytosolic JAKs together that trans-phosphorylate and activates each other. The activated JAKs now phosphorylate cytosolic tails of the cytokine receptors, which serve as binding sites for adaptor proteins such as SH2...
Regulation of Hematopoietic Stem Cells
All blood and immune cells are produced from the multipotent hematopoietic stem cells (HSCs) by the process of hematopoiesis. However, they all have a limited life span. In addition, many are depleted in immune surveillance or combatting an injury or infection. This makes blood one of the most regenerative tissues. Hematopoiesis helps replenish these blood and immune cells, restoring the body's normal functioning. However, overproduction of blood and immune cells can make them cancerous or...
TGF - β Signaling Pathway
The TGF-β signaling pathway regulates cell growth, differentiation, adhesion, motility, and development. TGF-β ligands that induce TGF-β signaling are synthesized in their latent form. Several proteases or cell surface receptors such as integrins act upon the latent form, releasing the active ligand. There are three types of mammalian TGF-βs: (TGF-β1, TGF-β2, and TGF-β3) that bind as homodimers or heterodimers to TGF-β receptors. The TGF-β receptors are of three kinds RI, RII, and RIII. The RI...

