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  4. Beta-catenin expression and mutation in adult and pediatric Wilms' tumors
 
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Beta-catenin expression and mutation in adult and pediatric Wilms' tumors

Journal
APMIS
Journal Volume
116
Journal Issue
9
Pages
771-778
Date Issued
2008
Author(s)
Su M.-C.
Huang W.-C.
HUANG-CHUN LIEN  
DOI
10.1111/j.1600-0463.2008.00914.x
URI
https://www.scopus.com/inward/record.uri?eid=2-s2.0-57349149417&doi=10.1111%2fj.1600-0463.2008.00914.x&partnerID=40&md5=94eed1fddd4ca477a6be9f800267f2e7
https://scholars.lib.ntu.edu.tw/handle/123456789/470190
Abstract
Wilms' tumor is the most common pediatric renal neoplasm, but its occurrence in adults is very rare. In contrast to pediatric Wilms' tumor (PWT), very little is known about the pathogenesis of adult Wilms' tumor (AWT). Despite there currently being no morphological difference between AWT and PWT, a cytogenetic study has suggested that the pathogenesis of AWT might be different from that of PWT. Although dysregulation of the Wnt pathway has been implicated in PWT, its role in AWT has never been investigated. To investigate the role of dysregulation of the Wnt pathway in AWT, tumor samples from 4 AWTs and 19 PWTs were surveyed for subcellular localization of β-catenin by immunohistochemistry and potential mutation of the β-catenin gene by sequencing. Nuclear translocation of β-catenin was found in one out of four cases of AWT, but none of them carried mutation of the β-catenin gene. By comparison, nuclear translocation for β-catenin and mutation of the β-catenin gene were present in 53% (10/19) and 15.8% (3/19) of PWTs, respectively. Of the three mutations identified, we found a novel mutation combining a silent mutation (TCT to TCC, Ser37Ser) and an in-frame six-base-pair deletion (del GGTGCC, del Gly38Ala39). This report suggests that dysregulation of the Wnt pathway might also play a role in the pathogenesis of AWT. ? The Authors 2008.
SDGs

[SDGs]SDG3

Other Subjects
beta catenin; Wnt protein; adult; article; carcinogenesis; cellular distribution; childhood cancer; clinical article; controlled study; female; gene mutation; groups by age; human; human tissue; infant; male; nephroblastoma; preschool child; priority journal; prognosis; protein expression; protein localization; Adult; Base Sequence; beta Catenin; Cell Nucleus; Child, Preschool; DNA, Neoplasm; Female; Humans; Immunohistochemistry; Infant; Kidney Neoplasms; Male; Middle Aged; Mutation; Polymerase Chain Reaction; Prognosis; Retrospective Studies; Signal Transduction; Wilms Tumor; Wnt Proteins; Young Adult
Type
journal article

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