TY - JOUR
T1 - Over-expression of lysyl oxidase is associated with poor prognosis and response to therapy of patients with lower grade gliomas
AU - Huang, S.-P.
AU - Chiou, J.
AU - Jan, Y.-H.
AU - Lai, T.-C.
AU - Yu, Y.-L.
AU - Hsiao, M.
AU - Lin, Y.-F.
N1 - Export Date: 27 October 2018
CODEN: BBRCA
Correspondence Address: Lin, Y.-F.; Graduate Institute of Clinical Medicine, College of Medicine, Taipei Medical University, 250 Wu-Hsing Street, Taiwan; email: [email protected]
Chemicals/CAS: bevacizumab, 216974-75-3, 1438851-35-4; protein lysine 6 oxidase, 99676-44-5
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PY - 2018
Y1 - 2018
N2 - Lower grade gliomas (LGGs) have highly diverse clinical phenotypes. The histological grade and type are insufficient to accurately predict the clinical outcomes of patients with LGGs. Therefore, identification of biomarkers that can facilitate the prediction of clinical outcomes in LGGs is urgently needed. Gene expression of LOX has been identified as a biomarker for various cancers. However, the clinical significance of LOX expression in LGGs has not been investigated. In this study, we analyzed the glioma RNA-seq dataset from TCGA (The Cancer Genome atlas) and identified lysyl oxidase (LOX) as a potential biomarker for LGGs. Kaplan-Meier survival analysis revealed that high LOX expression is associated with worse overall survival and recurrence free survival in LGG patients. Besides, high LOX expression is associated with poor response to primary therapy, follow-up treatment, targeted molecular therapy, and radiation therapy. Univariate and multivariate Cox regression analyses further confirmed LOX expression as an independent prognostic factor for LGG patients. Finally, we observed that LOX expression is significantly correlated with EMT (epithelial to mesenchymal transition) and IDH1 status in LGGs. In conclusion, our analyses suggest that LOX expression is a potential biomarker for prognosis and therapeutic response in LGGs. © 2018
AB - Lower grade gliomas (LGGs) have highly diverse clinical phenotypes. The histological grade and type are insufficient to accurately predict the clinical outcomes of patients with LGGs. Therefore, identification of biomarkers that can facilitate the prediction of clinical outcomes in LGGs is urgently needed. Gene expression of LOX has been identified as a biomarker for various cancers. However, the clinical significance of LOX expression in LGGs has not been investigated. In this study, we analyzed the glioma RNA-seq dataset from TCGA (The Cancer Genome atlas) and identified lysyl oxidase (LOX) as a potential biomarker for LGGs. Kaplan-Meier survival analysis revealed that high LOX expression is associated with worse overall survival and recurrence free survival in LGG patients. Besides, high LOX expression is associated with poor response to primary therapy, follow-up treatment, targeted molecular therapy, and radiation therapy. Univariate and multivariate Cox regression analyses further confirmed LOX expression as an independent prognostic factor for LGG patients. Finally, we observed that LOX expression is significantly correlated with EMT (epithelial to mesenchymal transition) and IDH1 status in LGGs. In conclusion, our analyses suggest that LOX expression is a potential biomarker for prognosis and therapeutic response in LGGs. © 2018
KW - Biomarker
KW - EMT
KW - IDH1
KW - Lower grade gliomas (LGGs)
KW - Lysyl oxidase (LOX)
KW - TCGA
KW - bevacizumab
KW - isocitrate dehydrogenase 1
KW - protein lysine 6 oxidase
KW - adult
KW - Article
KW - cancer prognosis
KW - cancer radiotherapy
KW - cohort analysis
KW - controlled study
KW - epithelial mesenchymal transition
KW - female
KW - follow up
KW - gene expression
KW - gene mutation
KW - genetic association
KW - glioma
KW - human
KW - IDH1 gene
KW - LOX gene
KW - major clinical study
KW - male
KW - molecularly targeted therapy
KW - overall survival
KW - priority journal
KW - recurrence free survival
KW - RNA sequence
KW - treatment response
U2 - 10.1016/j.bbrc.2018.04.228
DO - 10.1016/j.bbrc.2018.04.228
M3 - Article
SN - 0006-291X
VL - 501
SP - 619
EP - 627
JO - Biochemical and Biophysical Research Communications
JF - Biochemical and Biophysical Research Communications
IS - 3
ER -