{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,15]],"date-time":"2026-05-15T09:38:42Z","timestamp":1778837922603,"version":"3.51.4"},"reference-count":45,"publisher":"The Company of Biologists","issue":"7","license":[{"start":{"date-parts":[[2021,2,9]],"date-time":"2021-02-09T00:00:00Z","timestamp":1612828800000},"content-version":"vor","delay-in-days":223,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2020,7,1]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n               <jats:p>Pancreatic ductal adenocarcinoma (PDAC) is the third leading cause of cancer-related deaths worldwide, but has a 5-year survival rate of only 7% primarily due to late diagnosis and ineffective therapies. To treat or even prevent PDAC, it is vital that we understand the initiating events that lead to tumour onset. PDAC develops from preneoplastic lesions, most commonly pancreatic intraepithelial neoplasias (PanINs), driven by constitutive activation of KRAS. In patients, PanINs are associated with regions of acinar-to-ductal metaplasia (ADM) where, in response to inflammation, acini dedifferentiate to a pancreatic progenitor-like fate. In healthy tissue this process is reversible leading to regeneration of the pancreas; however, in the presence of oncogenic KRAS, regeneration is blocked and ADM can give rise to PanIN lesions. Here, we used a 3D mouse acinar culture that recapitulates ADM in vitro to explore how KRAS prevents regeneration. Regeneration is regulated by Hedgehog (Hh) signalling, which is transduced via the primary cilium. In wild-type acini, cilia assemble upon ADM and Hh target gene expression is upregulated; however, ciliogenesis and Hh signalling are suppressed during ADM in cells expressing oncogenic KRAS. We show that ciliogenesis fails due to ectopic activation of the cilium disassembly pathway, which is mediated by AurkA, a direct transcriptional target of KRAS. Inhibition of AurkA is able to rescue primary cilia and restore Hh signalling. We suggest that this could be used as a mechanism to prevent the formation of early lesions and thereby prevent progression to PDAC.<\/jats:p>","DOI":"10.1242\/dmm.044289","type":"journal-article","created":{"date-parts":[[2020,6,22]],"date-time":"2020-06-22T13:32:14Z","timestamp":1592832734000},"source":"Crossref","is-referenced-by-count":15,"title":["Ciliogenesis and Hedgehog signalling are suppressed downstream of KRAS during acinar-ductal metaplasia in mouse"],"prefix":"10.1242","volume":"13","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-0297-8558","authenticated-orcid":false,"given":"Fiona K.","family":"Bangs","sequence":"first","affiliation":[{"name":"University of Oxford 1 Department of Oncology, Medical Sciences Division , , Old Road Campus Research Building, Headington, Oxford OX3 7DQ , UK"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Paul","family":"Miller","sequence":"additional","affiliation":[{"name":"Ludwig Institute for Cancer Research 2 , Nuffield Department of Medicine , , Old Road Campus Research Building, Headington, Oxford OX3 7DQ , UK"},{"name":"University of Oxford 2 , Nuffield Department of Medicine , , Old Road Campus Research Building, Headington, Oxford OX3 7DQ , UK"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0060-6278","authenticated-orcid":false,"given":"Eric","family":"O'Neill","sequence":"additional","affiliation":[{"name":"University of Oxford 1 Department of Oncology, Medical Sciences Division , , Old Road Campus Research Building, Headington, Oxford OX3 7DQ , UK"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"237","published-online":{"date-parts":[[2020,7,30]]},"reference":[{"key":"2024061302431111500_DMM044289C1","doi-asserted-by":"publisher","first-page":"a028175","DOI":"10.1101\/cshperspect.a028175","article-title":"Primary cilia and mammalian hedgehog signaling","volume":"9","author":"Bangs","year":"2016","journal-title":"Cold Spring Harb. 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