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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...
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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...
Type I Diabetes I: Introduction01:12

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Updated: Jun 19, 2026

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

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Published on: December 16, 2021

Adult human beta-cell neogenesis?

C Demeterco1, E Hao, S-H Lee

  • 1Department of Pediatrics, University of California San Diego, Rady Children's Hospital, La Jolla, USA.

Diabetes, Obesity & Metabolism
|October 13, 2009
PubMed
Summary

Scientists are exploring ways to regenerate pancreatic beta-cells to reverse diabetes. Adult pancreas cells show plasticity, with stem cells in the exocrine part differentiating into beta-cells, offering new therapeutic avenues.

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Last Updated: Jun 19, 2026

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

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Published on: December 16, 2021

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Area of Science:

  • Endocrinology and Regenerative Medicine
  • Molecular and Cellular Biology

Background:

  • Diabetes mellitus (type 1 and type 2) is a major health concern.
  • Current therapeutic strategies aim to manage blood glucose levels.
  • Inducing endogenous beta-cell regeneration presents a promising approach to reverse diabetes.

Purpose of the Study:

  • To investigate the plasticity of adult pancreatic cells for beta-cell regeneration.
  • To explore the potential of stem/progenitor cells in the adult human pancreas.
  • To understand the mechanisms driving beta-cell neogenesis and replication.

Main Methods:

  • Review of existing evidence on beta-cell replication and neogenesis.
  • Identification and characterization of facultative stem cells in the adult human pancreas.
  • Analysis of factors influencing beta-cell mass expansion.

Main Results:

  • Adult pancreatic cells exhibit greater plasticity than previously thought.
  • A facultative stem cell population resides in the exocrine compartment of the adult human pancreas.
  • This stem cell population can differentiate into beta-cells under specific conditions.

Conclusions:

  • Beta-cell regeneration can be achieved through beta-cell replication or neogenesis.
  • The adult human pancreas harbors stem cells capable of beta-cell neogenesis.
  • Understanding stem cell mobilization is key for developing therapies for diabetes-induced beta-cell loss.