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Isocitrate dehydrogenase 1 Gene Mutation Is Associated with Prognosis in Clinical Low-Grade Gliomas

Isocitrate dehydrogenase 1 gene mutations are found in most World Health Organization grade II and III gliomas and secondary glioblastomas. Isocitrate dehydrogenase 1 mutations are known to have prognostic value in high-grade gliomas. However, their prognostic significance in low-grade gliomas remai...

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Published in:PloS one 2015-06, Vol.10 (6), p.e0130872-e0130872
Main Authors: Li, Ming-Yang, Wang, Yin-Yan, Cai, Jin-Quan, Zhang, Chuan-Bao, Wang, Kuan-Yu, Cheng, Wen, Liu, Yan-Wei, Zhang, Wei, Jiang, Tao
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description Isocitrate dehydrogenase 1 gene mutations are found in most World Health Organization grade II and III gliomas and secondary glioblastomas. Isocitrate dehydrogenase 1 mutations are known to have prognostic value in high-grade gliomas. However, their prognostic significance in low-grade gliomas remains controversial. We determined the predictive and prognostic value of isocitrate dehydrogenase 1 status in low-grade gliomas. The association of isocitrate dehydrogenase 1 status with clinicopathological and genetic factors was also evaluated. Clinical information and genetic data including isocitrate dehydrogenase 1 mutation, O 6-methylguanine DNA methyltransferase promoter methylation, 1p/19q chromosome loss, and TP53 mutation of 417 low-grade gliomas were collected from the Chinese Glioma Genome Atlas database. Kaplan-Meier and Cox proportional hazards regression analyses were performed to evaluate the prognostic effect of clinical characteristics and molecular biomarkers. Isocitrate dehydrogenase 1 mutation was identified as an independent prognostic factor for overall, but not progression-free, survival. Notably, isocitrate dehydrogenase 1 mutation was found to be a significant prognostic factor in patients with oligodendrogliomas, but not in patients with astrocytomas. Furthermore, O 6-methylguanine DNA methyltransferase promoter methylation (p = 0.017) and TP53 mutation (p < 0.001), but not 1p/19q loss (p = 0.834), occurred at a higher frequency in isocitrate dehydrogenase 1-mutated tumors than in isocitrate dehydrogenase 1 wild-type tumors. Younger patient age (p = 0.041) and frontal lobe location (p = 0.010) were significantly correlated with isocitrate dehydrogenase 1 mutation. Chemotherapy did not provide a survival benefit in patients with isocitrate dehydrogenase 1-mutated tumors. Isocitrate dehydrogenase 1 mutation was an independent prognostic factor in low-grade gliomas, whereas it showed no predictive value for chemotherapy response. Isocitrate dehydrogenase 1 mutation was highly associated with O 6-methylguanine DNA methyltransferase promoter methylation and TP53 mutation.
doi_str_mv 10.1371/journal.pone.0130872
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Isocitrate dehydrogenase 1 mutations are known to have prognostic value in high-grade gliomas. However, their prognostic significance in low-grade gliomas remains controversial. We determined the predictive and prognostic value of isocitrate dehydrogenase 1 status in low-grade gliomas. The association of isocitrate dehydrogenase 1 status with clinicopathological and genetic factors was also evaluated. Clinical information and genetic data including isocitrate dehydrogenase 1 mutation, O 6-methylguanine DNA methyltransferase promoter methylation, 1p/19q chromosome loss, and TP53 mutation of 417 low-grade gliomas were collected from the Chinese Glioma Genome Atlas database. Kaplan-Meier and Cox proportional hazards regression analyses were performed to evaluate the prognostic effect of clinical characteristics and molecular biomarkers. Isocitrate dehydrogenase 1 mutation was identified as an independent prognostic factor for overall, but not progression-free, survival. Notably, isocitrate dehydrogenase 1 mutation was found to be a significant prognostic factor in patients with oligodendrogliomas, but not in patients with astrocytomas. Furthermore, O 6-methylguanine DNA methyltransferase promoter methylation (p = 0.017) and TP53 mutation (p &lt; 0.001), but not 1p/19q loss (p = 0.834), occurred at a higher frequency in isocitrate dehydrogenase 1-mutated tumors than in isocitrate dehydrogenase 1 wild-type tumors. Younger patient age (p = 0.041) and frontal lobe location (p = 0.010) were significantly correlated with isocitrate dehydrogenase 1 mutation. Chemotherapy did not provide a survival benefit in patients with isocitrate dehydrogenase 1-mutated tumors. Isocitrate dehydrogenase 1 mutation was an independent prognostic factor in low-grade gliomas, whereas it showed no predictive value for chemotherapy response. Isocitrate dehydrogenase 1 mutation was highly associated with O 6-methylguanine DNA methyltransferase promoter methylation and TP53 mutation.</description><identifier>ISSN: 1932-6203</identifier><identifier>EISSN: 1932-6203</identifier><identifier>DOI: 10.1371/journal.pone.0130872</identifier><identifier>PMID: 26115094</identifier><language>eng</language><publisher>United States: Public Library of Science</publisher><subject>Adolescent ; Adult ; Aged ; Astrocytoma ; Biomarkers ; Brain cancer ; Brain research ; Brain tumors ; Cancer genetics ; Chemotherapy ; Chi-square test ; Dehydrogenase ; Dehydrogenases ; Deoxyribonucleic acid ; DNA ; DNA methylation ; DNA methyltransferase ; DNA Modification Methylases - genetics ; DNA Repair Enzymes - genetics ; Female ; Frontal lobe ; Gene mutation ; Genes ; Genetic aspects ; Genetic factors ; Genomes ; Genomics ; Glioma ; Glioma - enzymology ; Glioma - genetics ; Glioma - pathology ; Gliomas ; Hazards ; Hospitals ; Humans ; Isocitrate dehydrogenase ; Isocitrate Dehydrogenase - genetics ; Kaplan-Meier Estimate ; Li, Yang ; Male ; Medical prognosis ; Methylation ; Methylguanine ; Middle Aged ; Molecular chains ; Mutation ; Neurosurgery ; p53 Protein ; Patients ; Point mutation ; Polymerase chain reaction ; Prognosis ; Promoter Regions, Genetic - genetics ; Radiation therapy ; Regression analysis ; Studies ; Survival ; Tumor proteins ; Tumor Suppressor Proteins - genetics ; Tumors ; Young Adult</subject><ispartof>PloS one, 2015-06, Vol.10 (6), p.e0130872-e0130872</ispartof><rights>COPYRIGHT 2015 Public Library of Science</rights><rights>2015 Li et al. 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Isocitrate dehydrogenase 1 mutations are known to have prognostic value in high-grade gliomas. However, their prognostic significance in low-grade gliomas remains controversial. We determined the predictive and prognostic value of isocitrate dehydrogenase 1 status in low-grade gliomas. The association of isocitrate dehydrogenase 1 status with clinicopathological and genetic factors was also evaluated. Clinical information and genetic data including isocitrate dehydrogenase 1 mutation, O 6-methylguanine DNA methyltransferase promoter methylation, 1p/19q chromosome loss, and TP53 mutation of 417 low-grade gliomas were collected from the Chinese Glioma Genome Atlas database. Kaplan-Meier and Cox proportional hazards regression analyses were performed to evaluate the prognostic effect of clinical characteristics and molecular biomarkers. Isocitrate dehydrogenase 1 mutation was identified as an independent prognostic factor for overall, but not progression-free, survival. 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Academic</collection><collection>PubMed Central (Full Participant titles)</collection><collection>DOAJ Directory of Open Access Journals</collection><jtitle>PloS one</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Li, Ming-Yang</au><au>Wang, Yin-Yan</au><au>Cai, Jin-Quan</au><au>Zhang, Chuan-Bao</au><au>Wang, Kuan-Yu</au><au>Cheng, Wen</au><au>Liu, Yan-Wei</au><au>Zhang, Wei</au><au>Jiang, Tao</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Isocitrate dehydrogenase 1 Gene Mutation Is Associated with Prognosis in Clinical Low-Grade Gliomas</atitle><jtitle>PloS one</jtitle><addtitle>PLoS One</addtitle><date>2015-06-26</date><risdate>2015</risdate><volume>10</volume><issue>6</issue><spage>e0130872</spage><epage>e0130872</epage><pages>e0130872-e0130872</pages><issn>1932-6203</issn><eissn>1932-6203</eissn><notes>ObjectType-Article-1</notes><notes>SourceType-Scholarly Journals-1</notes><notes>ObjectType-Feature-2</notes><notes>content type line 23</notes><notes>Conceived and designed the experiments: TJ WZ. Performed the experiments: MYL YYW WC WZ. Analyzed the data: JQC CBZ. Contributed reagents/materials/analysis tools: YWL KYW. Wrote the paper: MYL YYW.</notes><notes>Competing Interests: The authors have declared that no competing interests exist.</notes><abstract>Isocitrate dehydrogenase 1 gene mutations are found in most World Health Organization grade II and III gliomas and secondary glioblastomas. Isocitrate dehydrogenase 1 mutations are known to have prognostic value in high-grade gliomas. However, their prognostic significance in low-grade gliomas remains controversial. We determined the predictive and prognostic value of isocitrate dehydrogenase 1 status in low-grade gliomas. The association of isocitrate dehydrogenase 1 status with clinicopathological and genetic factors was also evaluated. Clinical information and genetic data including isocitrate dehydrogenase 1 mutation, O 6-methylguanine DNA methyltransferase promoter methylation, 1p/19q chromosome loss, and TP53 mutation of 417 low-grade gliomas were collected from the Chinese Glioma Genome Atlas database. Kaplan-Meier and Cox proportional hazards regression analyses were performed to evaluate the prognostic effect of clinical characteristics and molecular biomarkers. Isocitrate dehydrogenase 1 mutation was identified as an independent prognostic factor for overall, but not progression-free, survival. Notably, isocitrate dehydrogenase 1 mutation was found to be a significant prognostic factor in patients with oligodendrogliomas, but not in patients with astrocytomas. Furthermore, O 6-methylguanine DNA methyltransferase promoter methylation (p = 0.017) and TP53 mutation (p &lt; 0.001), but not 1p/19q loss (p = 0.834), occurred at a higher frequency in isocitrate dehydrogenase 1-mutated tumors than in isocitrate dehydrogenase 1 wild-type tumors. Younger patient age (p = 0.041) and frontal lobe location (p = 0.010) were significantly correlated with isocitrate dehydrogenase 1 mutation. Chemotherapy did not provide a survival benefit in patients with isocitrate dehydrogenase 1-mutated tumors. Isocitrate dehydrogenase 1 mutation was an independent prognostic factor in low-grade gliomas, whereas it showed no predictive value for chemotherapy response. Isocitrate dehydrogenase 1 mutation was highly associated with O 6-methylguanine DNA methyltransferase promoter methylation and TP53 mutation.</abstract><cop>United States</cop><pub>Public Library of Science</pub><pmid>26115094</pmid><doi>10.1371/journal.pone.0130872</doi><oa>free_for_read</oa></addata></record>
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ispartof PloS one, 2015-06, Vol.10 (6), p.e0130872-e0130872
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source Publicly Available Content Database; PubMed Central
subjects Adolescent
Adult
Aged
Astrocytoma
Biomarkers
Brain cancer
Brain research
Brain tumors
Cancer genetics
Chemotherapy
Chi-square test
Dehydrogenase
Dehydrogenases
Deoxyribonucleic acid
DNA
DNA methylation
DNA methyltransferase
DNA Modification Methylases - genetics
DNA Repair Enzymes - genetics
Female
Frontal lobe
Gene mutation
Genes
Genetic aspects
Genetic factors
Genomes
Genomics
Glioma
Glioma - enzymology
Glioma - genetics
Glioma - pathology
Gliomas
Hazards
Hospitals
Humans
Isocitrate dehydrogenase
Isocitrate Dehydrogenase - genetics
Kaplan-Meier Estimate
Li, Yang
Male
Medical prognosis
Methylation
Methylguanine
Middle Aged
Molecular chains
Mutation
Neurosurgery
p53 Protein
Patients
Point mutation
Polymerase chain reaction
Prognosis
Promoter Regions, Genetic - genetics
Radiation therapy
Regression analysis
Studies
Survival
Tumor proteins
Tumor Suppressor Proteins - genetics
Tumors
Young Adult
title Isocitrate dehydrogenase 1 Gene Mutation Is Associated with Prognosis in Clinical Low-Grade Gliomas
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