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Updated: Jun 15, 2026
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Optimized Protocol for Generating Functional Pancreatic Insulin-secreting Cells from Human Pluripotent Stem Cells
Published on: February 2, 2024
Nestin action during insulin-secreting cell differentiation
So-Yoon Kim1, Song Lee, Seok-Woo Hong
1Department of Anatomy and BK21 Center for Advanced Medical Education, College of Medicine, Inha University, Shinheung-Dong, Jung-Gu, Incheon, 400-103, Korea.
Summary
Nestin is crucial for stem cell differentiation into insulin-secreting cells. Inhibiting nestin impairs both embryonic stem (ES) and pancreatic ductal stem (PDS) cell development, highlighting its role in regulating stemness and differentiation.
Area of Science:
- Stem cell biology
- Developmental biology
- Endocrinology
Background:
- Nestin, initially a neural stem cell marker, is also found in pancreas and embryonic stem (ES) cells.
- Its precise functional role in stem cell differentiation remains largely unknown.
Purpose of the Study:
- To investigate nestin's functional role in ES and adult pancreatic ductal stem (PDS) cells.
- To understand nestin's regulation of insulin-secreting beta-cell neogenesis.
Main Methods:
- Gene silencing to suppress nestin expression in ES and PDS cells.
- Analysis of pluripotency markers (Oct 4, Nanog, SSEA-1).
- Assessment of endodermal and pancreatic transcription factors and islet hormone expression.
Main Results:
- In ES cells, nestin suppression increased pluripotency markers but decreased endodermal/pancreatic factors during differentiation.
- In PDS cells, nestin inhibition led to reduced pancreatic factors and islet hormones, impairing beta-cell development and insulin secretion.
Conclusions:
- Nestin is not just a marker but a functional regulator of stem cell differentiation.
- Nestin acts as an intermediate regulator, balancing stemness and differentiation towards insulin-secreting cells.
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