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  4. The prognostic roles of and correlation between ALK and MYCN protein expression in neuroblastoma
 
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The prognostic roles of and correlation between ALK and MYCN protein expression in neuroblastoma

Journal
Journal of Clinical Pathology
Journal Volume
73
Journal Issue
3
Pages
154-161
Date Issued
2020
Author(s)
HSIU-HAO CHANG  
MENG-YAO LU  
YUNG-LI YANG  
SHU-WEI CHOU  
Lin D.-T.
Lin K.-H.
WEN-MING HSU  
YUNG-MING JENG  
SHIANN-TANG JOU  
DOI
10.1136/jclinpath-2019-206063
URI
https://www.scopus.com/inward/record.uri?eid=2-s2.0-85072600617&doi=10.1136%2fjclinpath-2019-206063&partnerID=40&md5=411c7d10f2be3c731ab0957689acaf0d
https://scholars.lib.ntu.edu.tw/handle/123456789/592732
Abstract
Aims To investigate the relations between anaplastic lymphoma kinase (ALK) and v-myc myelocytomatosis viral related oncogene neuroblastoma derived homolog (MYCN) protein expression and their prognostic roles in neuroblastoma tumours. Methods Sixty-one neuroblastoma tumours obtained at diagnosis were stained with anti-MYCN and anti-ALK antibodies by immunohistochemical staining. The correlations between protein expression of MYCN, ALK and clinicopathological and biological variables of neuroblastoma tumours were analysed. Results High expression of ALK protein could be detected in 25 (41%) and high expression of MYCN protein could be detected in 24 (39.3%) of the 61 neuroblastoma tumours, respectively. The majority of neuroblastoma tumours with evident of ALK or MYCN protein high expression exhibited undifferentiated or poorly differentiated histology (30/35, 85.7%). ALK or MYCN protein high expression in neuroblastoma tumours was associated with adverse clinical prognostic factors and ALK protein high expression was significantly associated with MYCN protein high expression. In addition, either ALK or MYCN protein high expression in neuroblastoma tumours was the independent adverse prognostic factor and also predicted worse survival outcomes for neuroblastoma patients with MYCN non-amplified status or non-high-risk Children's Oncology Group grouping. Conclusions Our study showed a novel coordinately prognostic role of ALK and MYCN protein expression in neuroblastoma and is the first report to demonstrate the correlation between ALK and MYCN protein expression in primary neuroblastoma tumours. ? Author(s) (or their employer(s)) 2020. No commercial re-use. See rights and permissions. Published by BMJ.
SDGs

[SDGs]SDG3

Other Subjects
anaplastic lymphoma kinase; N Myc proto oncogene protein; ALK protein, human; anaplastic lymphoma kinase; MYCN protein, human; N Myc proto oncogene protein; tumor marker; adrenal tumor; adult; age; Article; cancer staging; event free survival; female; human; human tissue; immunohistochemistry; major clinical study; male; middle aged; neuroblastoma; overall survival; primary tumor; priority journal; prognosis; protein expression; proto oncogene; tumor differentiation; adolescent; cell differentiation; child; enzymology; infant; mortality; neuroblastoma; newborn; pathology; preschool child; prognosis; retrospective study; risk factor; upregulation; Adolescent; Anaplastic Lymphoma Kinase; Biomarkers, Tumor; Cell Differentiation; Child; Child, Preschool; Female; Humans; Infant; Infant, Newborn; Male; N-Myc Proto-Oncogene Protein; Neuroblastoma; Prognosis; Retrospective Studies; Risk Factors; Up-Regulation
Publisher
BMJ Publishing Group
Type
journal article

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