Identification of Novel Prognostic Markers of Survival Time in High-risk Neuroblastoma Using Gene Expression Profiles

Overview

Journal Oncotarget

Specialty Oncology

Date 2020 Nov 27

PMID 33245713

Citations 7

Authors

Abdulazeez Giwa

Azeez Fatai

Junaid Gamieldien

Alan Christoffels

Hocine Bendou

Affiliations

Soon will be listed here.

Abstract

Neuroblastoma is the most common extracranial solid tumor in childhood. Patients in high-risk group often have poor outcomes with low survival rates despite several treatment options. This study aimed to identify a genetic signature from gene expression profiles that can serve as prognostic indicators of survival time in patients of high-risk neuroblastoma, and that could be potential therapeutic targets. RNA-seq count data was downloaded from UCSC Xena browser and samples grouped into Short Survival (SS) and Long Survival (LS) groups. Differential gene expression (DGE) analysis, enrichment analyses, regulatory network analysis and machine learning (ML) prediction of survival group were performed. Forty differentially expressed genes (DEGs) were identified including genes involved in molecular function activities essential for tumor proliferation. DEGs used as features for prediction of survival groups included , , , , , , , , , , , , , , and . An accuracy score of 82% was obtained by the ML classification models. SMIM28 was revealed to possibly have a role in tumor proliferation and aggressiveness. Our results indicate that these DEGs can serve as prognostic indicators of survival in high-risk neuroblastoma patients and will assist clinicians in making better therapeutic and patient management decisions.

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