Kolon Poliplerinde WT1 Ekspresyonunun İncelenmesi
Amaç: WT1, ilk olarak Wilms tümörü gelişimini etkileyen tümör baskılayıcı bir gen olarak tespit edilmişolsa da, kolon kanseri gibi bazı malignitelerde ekspresyonunun arttığı, dolayısıyla onkojenik özelliklerininolduğu da bildirilmektedir. Bu çalışmanın amacı WT1 ekspresyonunun hastanın yaşına, cinsiyetine,örneğin alındığı bölgeye ve patolojik tanı türüne göre değişip değişmediğini tespit etmektir.Gereç ve Yöntemler: Patoloji anabilim dalına gönderilmiş kolon polipli 32 hastaya ait parafin bloklarınve patoloji raporlarının retrospektif histopatolojik değerlendirilmesi yapılmıştır. İstatistiksel olarakp
An Investigation of WT1 Expression in Colon Polyps
Aim: Although WT1 was first identified as a tumor suppressor gene affecting Wilms’ tumor development, it has also been reported that its expression increases in certain malignancies such as colon cancer, and that it therefore has oncogenic properties. In this study, we aimed to determine dependence of WT1 expression on patient age and sex, type of pathological diagnosis, and the sample-taking area. Materials and Methods: Paraffin-embedded blocks and pathology reports of 32 patients with colon polyps that had been sent to pathology department were histopathologically reviewed retrospectively. p
___
- Pohl J. Hyperplastic polyposis syndrome. Video Journal
and Encyclopedia of GI Endoscopy. 2013;1(2):370–1.
- Kim MKH, McGarry TJ, Broin PO, Flatow JM, Golden
AA, Licht JD. An integrated genome screen identifies the
Wnt signaling pathway as a major target of WT1. Proc
Natl Acad Sci USA. 2009;106:11154–9.
- Wu F, Yuan G, Chen J, Wang C. Network analysis based
on TCGA reveal shubgenes in colon cancer. Contemp
Oncol (Pozn). 2017;21(2):136–44.
- Han Y, Yang L, Suarez-Saiz F, San-Marina S, Cui J, Minden
MD. Wilms’ tumor 1 suppressor gene mediates antiestrogen
resistance via down-regulation of estrogen
receptor-alpha expression in breast cancer cells. Mol
Cancer Res. 2008;6:1347–55.
- McCarty G, Awad O, Loeb DM. WT1 protein directly
regulates expression of vascular endothelial growth
factor and is a mediator of tumor response to hypoxia. J
Biol Chem. 2011;286:43634–43.
- Brett A, Pandey S, Fraizer G. The Wilms’ tumor gene
(WT1) regulates E-cadherin expression and migration
of prostate cancer cells. Mol Cancer. 2013;12:3.
- Vicent S, Chen R, Sayles LC, Lin C, Walker RG, Gillespie
AK ve ark. Wilms tumor 1 (WT1) regulates KRASdriven
oncogenesis and senescence in mouse and human
models. J Clin Invest. 2010;120:3940–52.
- Wu C, Zhu W, Qian J, He S, Wu C, Chen Y ve ark. WT1
promotes invasion of NSCLC via suppression of CDH1.
J Thorac Oncol. 2013;8:1163–9.
- Hartkamp J, Carpenter B, Roberts SG. The Wilms’ tumor
suppressor protein WT1 is processed by the serine protease
HtrA2/Omi. Mol Cell. 2010;37:159–71.
- Tatsumi N, Oji Y, Tsuji N, Tsuda A, Higashio M, Aoyagi
S ve ark. Wilms’ tumor gene WT1-shRNA as a potent
apoptosis-inducing agent for solid tumors. Int J Oncol.
2008;32:701–11.
- Niksic M, Slight J, Sanford JR, Caceres JF, Hastie ND. The
Wilms’ tumour protein (WT1) shuttles between nucleus
and cytoplasm and is present in functional polysomes.
Hum Mol Genet. 2004;13:463–71.
- Stoner GD, Gupta A. Etiology and chemoprevention of
esophageal squamous cell carcinoma. Carcinogenesis.
2001;22:1737–46.
- Sugiyama H. WT1 (Wilms’ tumor gene 1): biology and
cancer immunotherapy. Jpn J Clin Oncol. 2010;40:377–87.
- Yang L, Han Y, Suarez Saiz F, Minden MD. A tumor
suppressor and oncogene: the WT1 story. Leukemia.
2007;21:868–76.
- Oji Y, Yano M, Nakano Y, Abeno S, Nakatsuka S, Ikeba A
ve ark. Overexpression of the Wilms’ tumor gene WT1
in esophageal cancer. Anticancer Res. 2004;24:3103–8.
- Türkiye İstatistik Kurumu. Ölüm Nedeni İstatistikleri,
2016. www.tuik.gov.tr/PreHaberBultenleri.do?id=24572.
- Haber DA, Buckler AJ, Glaser T, Call KM, Pelletier J,
Sohn RL ve ark. An internal deletion within an 11p13
zincfinger gene contributes to the development of
Wilms’ tumor. Cell. 1990;29;61(7):1257–69.
- Ince AT, Ovunc O. Kolon polipleri ve kromoendoskopisi.
Güncel Gastroenteroloji Derg. 2003;7:255–65.
- Yamaner S. Kolorektal polipler. Kolon Rektum Hast
Derg. 2007;17:1–8.
- T.C. Sağlık Bakanlığı Türkiye Halk Sağlığı Kurumu. Türkiye
Kanser İstatistikleri. http://kanser.gov.tr/Dosya/
ca_istatistik/2014-RAPOR._uzun.pdf.
- Siegel RL, Miller KD, Jemal A. Cancer statistics. CA
Cancer J Clin. 2017;67:7–30.
- Colucci PM, Yale SH, Rall CJ. Colorectal polyps. Clin
Med Res. 2003;1(3):261–2.
- Hohenstein P, Hastie ND. The many facets of the Wilms’
tumour gene, WT1. Hum Mol Genet. 2006;15(2):196–
201.