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Related Experiment Video

Updated: Jun 18, 2026

Effective Isolation of Functional Islets from Neonatal Mouse Pancreas
07:04

Effective Isolation of Functional Islets from Neonatal Mouse Pancreas

Published on: January 6, 2017

Islet formation during the neonatal development in mice.

Kevin Miller1, Abraham Kim, German Kilimnik

  • 1Department of Medicine, The University of Chicago, Chicago, IL, USA.

Plos One
|November 7, 2009
PubMed
Summary

Pancreatic islet formation involves contiguous endocrine cell proliferation, forming branched structures. This study proposes islet formation occurs via fission, not cell aggregation, offering new insights into beta-cell development.

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Area of Science:

  • Endocrinology
  • Developmental Biology
  • Cell Biology

Background:

  • The pancreas contains specialized islets of Langerhans, crucial for hormone regulation.
  • Understanding islet formation is vital but challenging due to in situ technical difficulties.

Purpose of the Study:

  • To elucidate the mechanism of pancreatic islet formation.
  • To investigate beta-cell proliferation and arrangement during islet development.

Main Methods:

  • Developed a method using transgenic mice to fluorescently tag beta-cells for in vivo monitoring.
  • Observed endocrine cell proliferation and structure formation in embryonic and neonatal pancreases.

Main Results:

  • Endocrine cells proliferate contiguously, forming branched, cord-like structures.

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Scaffold-supported Transplantation of Islets in the Epididymal Fat Pad of Diabetic Mice

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Related Experiment Videos

Last Updated: Jun 18, 2026

Effective Isolation of Functional Islets from Neonatal Mouse Pancreas
07:04

Effective Isolation of Functional Islets from Neonatal Mouse Pancreas

Published on: January 6, 2017

A Method for Islet Transplantation to the Omentum in Mouse
06:25

A Method for Islet Transplantation to the Omentum in Mouse

Published on: January 7, 2019

Scaffold-supported Transplantation of Islets in the Epididymal Fat Pad of Diabetic Mice
11:57

Scaffold-supported Transplantation of Islets in the Epididymal Fat Pad of Diabetic Mice

Published on: July 23, 2017

  • Identified interconnected islets along blood vessels in neonatal pancreases.
  • Hypothesized alpha-cell spanning structures are sites of fission for islet formation.

    • Conclusions:

    • Pancreatic islet formation occurs through contiguous endocrine cell proliferation followed by fission.
    • This fission process, rather than aggregation or fusion, is proposed as the primary mechanism.
    • Mathematical modeling supports the proposed fission model for neonatal islet development.