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We found that conditionally expressing mutant <jats:italic>Kras<\/jats:italic>, using <jats:italic>Rag1-Cre,<\/jats:italic> gave rise to CNS haemangioblastoma in the cortex and cerebellum in mice that present with highly vascular tumours with stromal cells similar to human haemangioblastomas. The aberrant haemangioblastoma endothelial cells do not express mutant <jats:italic>Kras<\/jats:italic> but rather the mutant oncogene is expressed in CNS interstitial cells, including neuronal cells and progeny. This demonstrates a non-cell autonomous origin of this disease that is unexpectedly induced via <jats:italic>Rag1-Cre<\/jats:italic> expression in CNS interstitial cells. This is the first time that mutant RAS has been shown to stimulate non-cell autonomous proliferation in malignancy and suggests that mutant RAS can control endothelial cell proliferation in neo-vascularisation when expressed in certain cells.<\/jats:p>","DOI":"10.1038\/srep44899","type":"journal-article","created":{"date-parts":[[2017,3,21]],"date-time":"2017-03-21T14:10:22Z","timestamp":1490105422000},"update-policy":"http:\/\/dx.doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":5,"title":["A non-cell autonomous mouse model of CNS haemangioblastoma mediated by mutant KRAS"],"prefix":"10.1038","volume":"7","author":[{"given":"Leyuan","family":"Bao","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Osama","family":"Al-Assar","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Lesley F.","family":"Drynan","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Mark J.","family":"Arends","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Pam","family":"Tyers","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Roger A.","family":"Barker","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Terence H.","family":"Rabbitts","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"297","published-online":{"date-parts":[[2017,3,21]]},"reference":[{"key":"BFsrep44899_CR1","first-page":"182","volume":"26","author":"H Cushing","year":"1928","unstructured":"Cushing, H. & Bailey, P. 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