Differentiation of Islet Progenitors Regulated by Nicotinamide into Transcriptome-Verified β Cells That Ameliorate Diabetes

Fang Xu Jiang, Kevin Li, Michael Archer, Munish Mehta, Emma Jamieson, Adrian Charles, Jan E. Dickinson, Masahito Matsumoto, Grant Morahan

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Developmental stage-specific differentiation of stem or progenitor cells into safe and functional cells is of fundamental importance in regenerative medicine, including β-cell replacement. However, the differentiation of islet progenitor cells (IPCs) into insulin-secreting β cells remains elusive. Here, we report that the multifunctional molecule nicotinamide (NIC) is a specific differentiation regulator of mouse IPCs. The differentiated cells regulated by NIC exhibited many characteristics of adult β cells, including ameliorating preclinical diabetes and a highly comparable transcriptome profile. Gene set enrichment analysis showed that during differentiation, numerous IPC transcription factor genes, including Ngn3, Pax4, Fev, and Mycl1, were all down regulated. Pharmacological, biochemical, and gene knockdown analyses collectively demonstrated that NIC regulated the differentiation via inhibiting Sirt1 (silent information regulator transcript 1). Finally, NIC also regulates human IPC differentiation. Thus, our study advances islet developmental biology and impacts on translational research and regenerative therapies to diabetes and other diseases.

Original languageEnglish
Pages (from-to)1341-1354
JournalStem Cells
Volume35
Issue number5
DOIs
Publication statusPublished - May 2017

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Niacinamide
Transcriptome
Stem Cells
Islets of Langerhans
Gene Knockdown Techniques
Developmental Biology
Regenerative Medicine
Translational Medical Research
Insulin-Secreting Cells
Genes
Cell Differentiation
Transcription Factors
Pharmacology

Cite this

Jiang, Fang Xu ; Li, Kevin ; Archer, Michael ; Mehta, Munish ; Jamieson, Emma ; Charles, Adrian ; Dickinson, Jan E. ; Matsumoto, Masahito ; Morahan, Grant. / Differentiation of Islet Progenitors Regulated by Nicotinamide into Transcriptome-Verified β Cells That Ameliorate Diabetes. In: Stem Cells. 2017 ; Vol. 35, No. 5. pp. 1341-1354.
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Differentiation of Islet Progenitors Regulated by Nicotinamide into Transcriptome-Verified β Cells That Ameliorate Diabetes. / Jiang, Fang Xu; Li, Kevin; Archer, Michael; Mehta, Munish; Jamieson, Emma; Charles, Adrian; Dickinson, Jan E.; Matsumoto, Masahito; Morahan, Grant.

In: Stem Cells, Vol. 35, No. 5, 05.2017, p. 1341-1354.

Research output: Contribution to journalArticle

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