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Related Concept Videos

Tissue Renewal without Stem Cells01:23

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...
Stem Cell Culture01:17

Stem Cell Culture

Stem cell research aims to find ways to use stem cells to regenerate and repair cellular damage. Over time, most adult cells undergo the wear and tear of aging and lose their ability to divide and repair themselves. Stem cells do not display a particular morphology or function. Adult stem cells, which exist as a small subset of cells in most tissues, keep dividing and can differentiate into a number of specialized cells generally formed by that tissue. These cells enable the body to renew and...
Stem Cell Therapy for Tissue Regeneration01:21

Stem Cell Therapy for Tissue Regeneration

Stem cell therapy is a method used in regenerative medicine to repair and restore function to damaged tissues and organs. Stem cells have the potential to proliferate and differentiate into various tissue types, making them ideal candidates for tissue regeneration. For example, hematopoietic stem cell transplants are commonly used in blood cancer treatment to replenish damaged bone marrow and restore healthy blood cells.
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iPS Cell Differentiation01:22

iPS Cell Differentiation

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Type I Diabetes II: Pathophysiology01:26

Type I Diabetes II: Pathophysiology

Type 1 diabetes mellitus arises from an immune-mediated destruction of pancreatic β-cells, resulting in an absolute deficiency of insulin. This process develops in genetically susceptible individuals when autoimmunity, environmental exposures, and immunologic dysregulation converge to trigger a targeted attack on the insulin-producing cells of the pancreas. The β-cells are located within the islets of Langerhans and are essential for regulating blood glucose by facilitating cellular uptake of...
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Induced Pluripotent Stem Cells

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Updated: Jun 17, 2026

A High-content In Vitro Pancreatic Islet β-cell Replication Discovery Platform
09:35

A High-content In Vitro Pancreatic Islet β-cell Replication Discovery Platform

Published on: July 16, 2016

Cell therapy for diabetes: stem cells, progenitors or beta-cell replication?

L Jorge Gonez1, Kenneth R Knight

  • 1The Australian Tissue Engineering Centre Ltd, 42 Fitzroy Street, Fitzroy, Victoria 3065, Australia. jgonez@unimelb.edu.au <jgonez@unimelb.edu.au>

Molecular and Cellular Endocrinology
|December 23, 2009
PubMed
Summary

Type 1 diabetes (T1D) research explores regenerating insulin-producing cells to cure the disease. Studies show pancreatic stem cells, progenitors, and beta-cells can regenerate, offering hope for cell-based therapies.

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Differentiation of Human Pluripotent Stem Cells Into Pancreatic Beta-Cell Precursors in a 2D Culture System
10:12

Differentiation of Human Pluripotent Stem Cells Into Pancreatic Beta-Cell Precursors in a 2D Culture System

Published on: December 16, 2021

Area of Science:

  • Endocrinology
  • Regenerative Medicine
  • Immunology

Background:

  • Type 1 diabetes (T1D) necessitates restoring insulin production and preventing immune destruction of beta-cells.
  • Rodent models indicate potential for regenerating insulin-producing cells through various sources.
  • Understanding cellular and molecular mechanisms is crucial for effective T1D therapies.

Purpose of the Study:

  • To investigate the potential of different cell sources for insulin-producing cell regeneration in T1D.
  • To explore cellular and molecular mechanisms underlying beta-cell regeneration in vitro and in vivo.
  • To assess the behavior of potential cell therapies using a novel in vivo chamber model of T1D.

Main Methods:

  • Review of existing experiments in rodent models regarding pancreatic stem cells, committed progenitors, and replicating beta-cells.
  • In vitro and in vivo investigations into the cellular and molecular mechanisms of insulin-producing cells.
  • Development and utilization of a unique surgical in vivo chamber model for T1D research.

Main Results:

  • Evidence from rodent models suggests that pancreatic stem cells, committed progenitors, and beta-cells can contribute to insulin-producing cell regeneration.
  • Cellular and molecular mechanisms governing these regenerative processes have been studied.
  • The developed in vivo chamber model allows for the evaluation of different cell sources for T1D therapy.

Conclusions:

  • Regeneration of insulin-producing cells is a key strategy for a type 1 diabetes cure.
  • Various cell types, including stem cells and progenitors, show promise for beta-cell regeneration.
  • The novel in vivo model provides a platform for assessing cell-based therapies for T1D.