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Hereditary mixed polyposis syndrome is caused by a 40-kb upstream duplication that leads to increased and ectopic expression of the BMP antagonist GREM1.
Jaeger E, Leedham S, Lewis A, Segditsas S, Becker M, Cuadrado PR, Davis H, Kaur K, Heinimann K, Howarth K; HMPS Collaboration; East J, Taylor J, Thomas H, Tomlinson I. Jaeger E, et al. Among authors: segditsas s. Nat Genet. 2012 May 6;44(6):699-703. doi: 10.1038/ng.2263. Nat Genet. 2012. PMID: 22561515 Free PMC article.
A basal gradient of Wnt and stem-cell number influences regional tumour distribution in human and mouse intestinal tracts.
Leedham SJ, Rodenas-Cuadrado P, Howarth K, Lewis A, Mallappa S, Segditsas S, Davis H, Jeffery R, Rodriguez-Justo M, Keshav S, Travis SP, Graham TA, East J, Clark S, Tomlinson IP. Leedham SJ, et al. Among authors: segditsas s. Gut. 2013 Jan;62(1):83-93. doi: 10.1136/gutjnl-2011-301601. Epub 2012 Jan 27. Gut. 2013. PMID: 22287596 Free PMC article.
The Apc 1322T mouse develops severe polyposis associated with submaximal nuclear beta-catenin expression.
Pollard P, Deheragoda M, Segditsas S, Lewis A, Rowan A, Howarth K, Willis L, Nye E, McCart A, Mandir N, Silver A, Goodlad R, Stamp G, Cockman M, East P, Spencer-Dene B, Poulsom R, Wright N, Tomlinson I. Pollard P, et al. Among authors: segditsas s. Gastroenterology. 2009 Jun;136(7):2204-2213.e1-13. doi: 10.1053/j.gastro.2009.02.058. Epub 2009 Feb 25. Gastroenterology. 2009. PMID: 19248780
Disease severity and genetic pathways in attenuated familial adenomatous polyposis vary greatly but depend on the site of the germline mutation.
Sieber OM, Segditsas S, Knudsen AL, Zhang J, Luz J, Rowan AJ, Spain SL, Thirlwell C, Howarth KM, Jaeger EE, Robinson J, Volikos E, Silver A, Kelly G, Aretz S, Frayling I, Hutter P, Dunlop M, Guenther T, Neale K, Phillips R, Heinimann K, Tomlinson IP. Sieber OM, et al. Among authors: segditsas s. Gut. 2006 Oct;55(10):1440-8. doi: 10.1136/gut.2005.087106. Epub 2006 Feb 4. Gut. 2006. PMID: 16461775 Free PMC article.
APC and the three-hit hypothesis.
Segditsas S, Rowan AJ, Howarth K, Jones A, Leedham S, Wright NA, Gorman P, Chambers W, Domingo E, Roylance RR, Sawyer EJ, Sieber OM, Tomlinson IP. Segditsas S, et al. Oncogene. 2009 Jan 8;28(1):146-55. doi: 10.1038/onc.2008.361. Epub 2008 Oct 6. Oncogene. 2009. PMID: 18836487
16 results