{"id":72176,"date":"2023-12-09T00:02:20","date_gmt":"2023-12-08T23:02:20","guid":{"rendered":"https:\/\/cri1149.mlcom-dev.net\/?post_type=publications&#038;p=72176"},"modified":"2025-12-05T17:20:23","modified_gmt":"2025-12-05T16:20:23","slug":"insights-into-the-etiology-and-physiopathology-of-mody5-hnf1b-pancreatic-phenotype-with-a-mouse-model-of-the-human-disease","status":"publish","type":"publication","link":"https:\/\/cri1149.mlcom-dev.net\/en\/publication\/insights-into-the-etiology-and-physiopathology-of-mody5-hnf1b-pancreatic-phenotype-with-a-mouse-model-of-the-human-disease\/","title":{"rendered":"Insights into the etiology and physiopathology of MODY5\/HNF1B pancreatic phenotype with a mouse model of the human disease"},"content":{"rendered":"","protected":false},"featured_media":0,"template":"","meta":{"_acf_changed":false},"class_list":["post-72176","publication","type-publication","status-publish","hentry"],"acf":{"numero_de_publication":"J Pathol.","date_de_publication":"20210501","numero_doi":"","equipe":[121],"auteurs-liste":[{"texte_libre":true,"auteur-lien":null,"auteur-text":"Evans Quilichini"},{"texte_libre":true,"auteur-lien":null,"auteur-text":"M\u00e9lanie Fabre"},{"texte_libre":true,"auteur-lien":null,"auteur-text":"Christoffer Nord"},{"texte_libre":true,"auteur-lien":null,"auteur-text":"Thassadite Dirami"},{"texte_libre":true,"auteur-lien":null,"auteur-text":"Axelle Le Marec"},{"texte_libre":true,"auteur-lien":null,"auteur-text":"Silvia Cereghini"},{"texte_libre":true,"auteur-lien":null,"auteur-text":"Raymond C Pasek"},{"texte_libre":true,"auteur-lien":null,"auteur-text":"Maureen Gannon"},{"texte_libre":true,"auteur-lien":null,"auteur-text":"Ulf Ahlgren"},{"texte_libre":false,"auteur-lien":33106,"auteur-text":""}],"auteurs-manuel":"","liens_externes":null,"liens":[{"lien":"https:\/\/pubmed.ncbi.nlm.nih.gov\/33527355\/"}],"paragraphe":"<h2 class=\"title\" style=\"text-align: justify;\">Abstract<\/h2>\r\n<div id=\"eng-abstract\" class=\"abstract-content selected\">\r\n<p style=\"text-align: justify;\">Maturity-onset diabetes of the young type 5 (MODY5) is due to heterozygous mutations or deletion of HNF1B. No mouse models are currently available to recapitulate the human MODY5 disease. Here, we investigate the pancreatic phenotype of a unique MODY5 mouse model generated by heterozygous insertion of a human HNF1B splicing mutation at the intron-2 splice donor site in the mouse genome. This Hnf1b<sup>sp2\/+<\/sup>\u00a0model generated with targeted mutation of Hnf1b mimicking the c.544+1G&gt;T (&lt;IVS2nt+1G&gt;T) mutation identified in humans, results in alternative transcripts and a 38% decrease of native Hnf1b transcript levels. As a clinical feature of MODY5 patients, the hypomorphic mouse model Hnf1b<sup>sp2\/+<\/sup>\u00a0displays glucose intolerance. Whereas Hnf1b<sup>sp2\/+<\/sup>\u00a0isolated islets showed no altered insulin secretion, we found a 65% decrease in pancreatic insulin content associated with a 30% decrease in total large islet volume and a 20% decrease in total \u03b2-cell volume. These defects were associated with a 30% decrease in expression of the pro-endocrine gene Neurog3 that we previously identified as a direct target of Hnf1b, showing a developmental etiology. As another clinical feature of MODY5 patients, the Hnf1b<sup>sp2\/+<\/sup>\u00a0pancreases display exocrine dysfunction with hypoplasia. We observed chronic pancreatitis with loss of acinar cells, acinar-to-ductal metaplasia, and lipomatosis, with upregulation of signaling pathways and impaired acinar cell regeneration. This was associated with ductal cell deficiency characterized by shortened primary cilia. Importantly, the Hnf1b<sup>sp2\/+<\/sup>\u00a0mouse model reproduces the pancreatic features of the human MODY5\/HNF1B disease, providing a unique in vivo tool for molecular studies of the endocrine and exocrine defects and to advance basic and translational research. \u00a9 2021 The Authors. The Journal of Pathology published by John Wiley &amp; Sons, Ltd. on behalf of The Pathological Society of Great Britain and Ireland.<\/p>\r\n<\/div>","paragraphe_en":"<h2 class=\"title\" style=\"text-align: justify;\">Abstract<\/h2>\r\n<div id=\"eng-abstract\" class=\"abstract-content selected\">\r\n<p style=\"text-align: justify;\">Maturity-onset diabetes of the young type 5 (MODY5) is due to heterozygous mutations or deletion of HNF1B. No mouse models are currently available to recapitulate the human MODY5 disease. Here, we investigate the pancreatic phenotype of a unique MODY5 mouse model generated by heterozygous insertion of a human HNF1B splicing mutation at the intron-2 splice donor site in the mouse genome. This Hnf1b<sup>sp2\/+<\/sup>\u00a0model generated with targeted mutation of Hnf1b mimicking the c.544+1G&gt;T (&lt;IVS2nt+1G&gt;T) mutation identified in humans, results in alternative transcripts and a 38% decrease of native Hnf1b transcript levels. As a clinical feature of MODY5 patients, the hypomorphic mouse model Hnf1b<sup>sp2\/+<\/sup>\u00a0displays glucose intolerance. Whereas Hnf1b<sup>sp2\/+<\/sup>\u00a0isolated islets showed no altered insulin secretion, we found a 65% decrease in pancreatic insulin content associated with a 30% decrease in total large islet volume and a 20% decrease in total \u03b2-cell volume. These defects were associated with a 30% decrease in expression of the pro-endocrine gene Neurog3 that we previously identified as a direct target of Hnf1b, showing a developmental etiology. As another clinical feature of MODY5 patients, the Hnf1b<sup>sp2\/+<\/sup>\u00a0pancreases display exocrine dysfunction with hypoplasia. We observed chronic pancreatitis with loss of acinar cells, acinar-to-ductal metaplasia, and lipomatosis, with upregulation of signaling pathways and impaired acinar cell regeneration. This was associated with ductal cell deficiency characterized by shortened primary cilia. Importantly, the Hnf1b<sup>sp2\/+<\/sup>\u00a0mouse model reproduces the pancreatic features of the human MODY5\/HNF1B disease, providing a unique in vivo tool for molecular studies of the endocrine and exocrine defects and to advance basic and translational research. \u00a9 2021 The Authors. The Journal of Pathology published by John Wiley &amp; Sons, Ltd. on behalf of The Pathological Society of Great Britain and Ireland.<\/p>\r\n<\/div>","documents":null},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Insights into the etiology and physiopathology of MODY5\/HNF1B pancreatic phenotype with a mouse model of the human disease - CRI<\/title>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Insights into the etiology and physiopathology of MODY5\/HNF1B pancreatic phenotype with a mouse model of the human disease - CRI\" \/>\n<meta property=\"og:url\" content=\"https:\/\/cri1149.mlcom-dev.net\/publication\/insights-into-the-etiology-and-physiopathology-of-mody5-hnf1b-pancreatic-phenotype-with-a-mouse-model-of-the-human-disease\/\" \/>\n<meta property=\"og:site_name\" content=\"CRI\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/CRI-Centre-de-recherche-sur-linflammation-100116118884153\" \/>\n<meta property=\"article:modified_time\" content=\"2025-12-05T16:20:23+00:00\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/cri1149.mlcom-dev.net\/publication\/insights-into-the-etiology-and-physiopathology-of-mody5-hnf1b-pancreatic-phenotype-with-a-mouse-model-of-the-human-disease\/\",\"url\":\"https:\/\/cri1149.mlcom-dev.net\/publication\/insights-into-the-etiology-and-physiopathology-of-mody5-hnf1b-pancreatic-phenotype-with-a-mouse-model-of-the-human-disease\/\",\"name\":\"Insights into the etiology and physiopathology of MODY5\/HNF1B pancreatic phenotype with a mouse model of the human disease - 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