{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"submitter":["Huang X"],"funding":["Shanghai Municipal Science and Technology Major Project","the New Cornerstone Science Foundation","MOST | National Key Research and Development Program of China (NKPs)","Research Funds of Hangzhou Institute for Advanced Study","MOST | National Natural Science Foundation of China (NSFC)","MOST | National Key Research and Development Program of China","Shanghai Pilot Program for Basic Research-CAS, Shanghai Branch","CAS Project for Young Scientists in Basic Research","MOST | National Natural Science Foundation of China"],"pagination":["2856-2881"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC12084597"],"repository":["biostudies-literature"],"omics_type":["Unknown"],"volume":["44(10)"],"pubmed_abstract":["The adult pancreatic ducts have long been proposed to contain rare progenitors, some of which expressing Ngn3, that generate new beta cells in endocrine-islet homeostasis. Due to their postulated rarity and the lack of definitive markers, the existence or absence of ductal endocrine progenitors remains unsettled despite many studies. Genetic lineage tracing of ductal cells or Ngn3<sup>+</sup> cells with currently available CreER drivers has been complicated by off-target labeling of pre-existing beta cells. Here, using dual-recombinase-mediated intersectional genetic strategy and newly-derived Ngn3-2A-CreER and Hnf1b-2A-CreER knock-in drivers, we succeeded in specifically labeling Ngn3-positive cells and Hnf1b-positive ductal cells without marking pre-existing beta cells. These data reveal"],"journal":["The EMBO journal"],"pubmed_title":["Ductal or Ngn3&lt;sup&gt;+&lt;/sup&gt; cells do not contribute to adult pancreatic islet beta-cell neogenesis in homeostasis."],"pmcid":["PMC12084597"],"funding_grant_id":["82088101,32370802,32100585,32370897,32100648","2023YFA1800700,2023YFA1801300,2022YFA1104200","YSBR-012","2022ZZ01015,B04006C01600515)","JCYJ-SHFY-2021-0"],"pubmed_authors":["Lv Z","Liu X","Liu Z","Liu K","Zhou Q","Han M","Huang X","Lu J","Zhou B","Han X","Chen H","Zhao H"],"additional_accession":[]},"is_claimable":false,"name":"Ductal or Ngn3&lt;sup&gt;+&lt;/sup&gt; cells do not contribute to adult pancreatic islet beta-cell neogenesis in homeostasis.","description":"The adult pancreatic ducts have long been proposed to contain rare progenitors, some of which expressing Ngn3, that generate new beta cells in endocrine-islet homeostasis. Due to their postulated rarity and the lack of definitive markers, the existence or absence of ductal endocrine progenitors remains unsettled despite many studies. Genetic lineage tracing of ductal cells or Ngn3<sup>+</sup> cells with currently available CreER drivers has been complicated by off-target labeling of pre-existing beta cells. Here, using dual-recombinase-mediated intersectional genetic strategy and newly-derived Ngn3-2A-CreER and Hnf1b-2A-CreER knock-in drivers, we succeeded in specifically labeling Ngn3-positive cells and Hnf1b-positive ductal cells without marking pre-existing beta cells. These data reveal","dates":{"release":"2025-01-01T00:00:00Z","publication":"2025 May","modification":"2026-05-29T19:12:12.542Z","creation":"2026-04-08T05:45:53.265Z"},"accession":"S-EPMC12084597","cross_references":{"pubmed":["40205162"],"doi":["10.1038/s44318-025-00434-z"]}}