Japanese

Genetic Alterations in Ulcerative Colitis Associated Neoplasms Toshiaki Watanabe 1 , Michiko Miyaki 2 , Takamitsu Kanazawa 1 , Tetsuichiro Muto 3 , Hirokazu Nagawa 1 1Department of Surgical Oncology, University of Tokyo Hospital 2Tokyo Metropolitan Komagome Hospital 3Cancer Institute Hospital Keyword: 潰瘍性大腸炎 , 大腸癌 , APC遺伝子 , MSI , p53遺伝子 pp.981-990
Published Date 2002/6/25
DOI https://doi.org/10.11477/mf.1403104496
  • Abstract
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 Genetic alterations in 24 cases of ulcerative-colitisassociated neoplasms were examined. High frequency of loss of heterozygosity (LOH) was observed in chromosome 17 (17p) (71%) and 8 (8p) (59%) . Alteration in the beta-catenin gene was not present among 14 lesions which could be analyzed. Among two lesions with invasive cancer, one lesion showed mutation in the APC gene. No biopsy specimens from the colonic mucosa of fourteen long-standing ulcerative colitis patients showed MSI.


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電子版ISSN 1882-1219 印刷版ISSN 0536-2180 医学書院

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