--- _id: '8669' abstract: - lang: eng text: Pancreatic islets play an essential role in regulating blood glucose level. Although the molecular pathways underlying islet cell differentiation are beginning to be resolved, the cellular basis of islet morphogenesis and fate allocation remain unclear. By combining unbiased and targeted lineage tracing, we address the events leading to islet formation in the mouse. From the statistical analysis of clones induced at multiple embryonic timepoints, here we show that, during the secondary transition, islet formation involves the aggregation of multiple equipotent endocrine progenitors that transition from a phase of stochastic amplification by cell division into a phase of sublineage restriction and limited islet fission. Together, these results explain quantitatively the heterogeneous size distribution and degree of polyclonality of maturing islets, as well as dispersion of progenitors within and between islets. Further, our results show that, during the secondary transition, α- and β-cells are generated in a contemporary manner. Together, these findings provide insight into the cellular basis of islet development. article_number: '5037' article_processing_charge: No article_type: original author: - first_name: Magdalena K. full_name: Sznurkowska, Magdalena K. last_name: Sznurkowska - first_name: Edouard B full_name: Hannezo, Edouard B id: 3A9DB764-F248-11E8-B48F-1D18A9856A87 last_name: Hannezo orcid: 0000-0001-6005-1561 - first_name: Roberta full_name: Azzarelli, Roberta last_name: Azzarelli - first_name: Lemonia full_name: Chatzeli, Lemonia last_name: Chatzeli - first_name: Tatsuro full_name: Ikeda, Tatsuro last_name: Ikeda - first_name: Shosei full_name: Yoshida, Shosei last_name: Yoshida - first_name: Anna full_name: Philpott, Anna last_name: Philpott - first_name: Benjamin D full_name: Simons, Benjamin D last_name: Simons citation: ama: Sznurkowska MK, Hannezo EB, Azzarelli R, et al. Tracing the cellular basis of islet specification in mouse pancreas. Nature Communications. 2020;11. doi:10.1038/s41467-020-18837-3 apa: Sznurkowska, M. K., Hannezo, E. B., Azzarelli, R., Chatzeli, L., Ikeda, T., Yoshida, S., … Simons, B. D. (2020). Tracing the cellular basis of islet specification in mouse pancreas. Nature Communications. Springer Nature. https://doi.org/10.1038/s41467-020-18837-3 chicago: Sznurkowska, Magdalena K., Edouard B Hannezo, Roberta Azzarelli, Lemonia Chatzeli, Tatsuro Ikeda, Shosei Yoshida, Anna Philpott, and Benjamin D Simons. “Tracing the Cellular Basis of Islet Specification in Mouse Pancreas.” Nature Communications. Springer Nature, 2020. https://doi.org/10.1038/s41467-020-18837-3. ieee: M. K. Sznurkowska et al., “Tracing the cellular basis of islet specification in mouse pancreas,” Nature Communications, vol. 11. Springer Nature, 2020. ista: Sznurkowska MK, Hannezo EB, Azzarelli R, Chatzeli L, Ikeda T, Yoshida S, Philpott A, Simons BD. 2020. Tracing the cellular basis of islet specification in mouse pancreas. Nature Communications. 11, 5037. mla: Sznurkowska, Magdalena K., et al. “Tracing the Cellular Basis of Islet Specification in Mouse Pancreas.” Nature Communications, vol. 11, 5037, Springer Nature, 2020, doi:10.1038/s41467-020-18837-3. short: M.K. Sznurkowska, E.B. Hannezo, R. Azzarelli, L. Chatzeli, T. Ikeda, S. Yoshida, A. Philpott, B.D. Simons, Nature Communications 11 (2020). date_created: 2020-10-18T22:01:35Z date_published: 2020-10-07T00:00:00Z date_updated: 2023-08-22T10:18:17Z day: '07' ddc: - '570' department: - _id: EdHa doi: 10.1038/s41467-020-18837-3 external_id: isi: - '000577244600003' pmid: - '33028844' file: - access_level: open_access checksum: 0ecc0eab72d2d50694852579611a6624 content_type: application/pdf creator: dernst date_created: 2020-10-19T11:27:46Z date_updated: 2020-10-19T11:27:46Z file_id: '8677' file_name: 2020_NatureComm_Sznurkowska.pdf file_size: 5540540 relation: main_file success: 1 file_date_updated: 2020-10-19T11:27:46Z has_accepted_license: '1' intvolume: ' 11' isi: 1 language: - iso: eng month: '10' oa: 1 oa_version: Published Version pmid: 1 publication: Nature Communications publication_identifier: eissn: - '20411723' publication_status: published publisher: Springer Nature quality_controlled: '1' scopus_import: '1' status: public title: Tracing the cellular basis of islet specification in mouse pancreas tmp: image: /images/cc_by.png legal_code_url: https://creativecommons.org/licenses/by/4.0/legalcode name: Creative Commons Attribution 4.0 International Public License (CC-BY 4.0) short: CC BY (4.0) type: journal_article user_id: 4359f0d1-fa6c-11eb-b949-802e58b17ae8 volume: 11 year: '2020' ...