Generation of human islet cell type-specific identity genesets

Léon Gurp, Leon Fodoulian, Daniel Oropeza, Kenichiro Furuyama, Eva Bru-Tari, Anh Nguyet Vu, John S. Kaddis, Iván Rodríguez, Fabrizio Thorel and Pedro L. Herrera ()
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Léon Gurp: University of Geneva
Leon Fodoulian: University of Geneva
Daniel Oropeza: University of Geneva
Kenichiro Furuyama: University of Geneva
Eva Bru-Tari: University of Geneva
Anh Nguyet Vu: Beckman Research Institute
John S. Kaddis: Beckman Research Institute
Iván Rodríguez: University of Geneva
Fabrizio Thorel: University of Geneva
Pedro L. Herrera: University of Geneva

Nature Communications, 2022, vol. 13, issue 1, 1-14

Abstract: Abstract Generation of surrogate cells with stable functional identities is crucial for developing cell-based therapies. Efforts to produce insulin-secreting replacement cells to treat diabetes require reliable tools to assess islet cellular identity. Here, we conduct a thorough single-cell transcriptomics meta-analysis to identify robustly expressed markers used to build genesets describing the identity of human α-, β-, γ- and δ-cells. These genesets define islet cellular identities better than previously published genesets. We show their efficacy to outline cell identity changes and unravel some of their underlying genetic mechanisms, whether during embryonic pancreas development or in experimental setups aiming at developing glucose-responsive insulin-secreting cells, such as pluripotent stem-cell differentiation or in adult islet cell reprogramming protocols. These islet cell type-specific genesets represent valuable tools that accurately benchmark gain and loss in islet cell identity traits.

Date: 2022
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Persistent link: https://EconPapers.repec.org/RePEc:nat:natcom:v:13:y:2022:i:1:d:10.1038_s41467-022-29588-8

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DOI: 10.1038/s41467-022-29588-8

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