Array-Based Comparative Genomic Hybridization Identifies CDK4 and FOXM1 Alterations as Independent Predictors of Survival in Malignant Peripheral Nerve Sheath Tumor

Malignant peripheral nerve sheath tumors (MPNST) are highly aggressive sarcomas with variable patient survival and few known prognostically relevant genomic biomarkers. To identify survival-associated genomic biomarkers, we performed high-resolution array-based comparative genomic hybridization (aCG...

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Veröffentlicht in:Clinical cancer research 2011-04, Vol.17 (7), p.1924-1934
Hauptverfasser: JINSHENG YU, DESHMUKH, Hrishikesh, LINDBERG, Guy M, GUTMANN, Rebecca J, EMNETT, Ryan J, SALAVAGGIONE, Lorena, GUTMANN, David H, NAGARAJAN, Rakesh, WATSON, Mark A, PERRY, Arie, PAYTON, Jacqueline E, DUNHAM, Christopher, SCHEITHAUER, Bernd W, TIHAN, Tarik, PRAYSON, Richard A, GUHA, Abhijit, BRIDGE, Julia A, FERNER, Rosalie E
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container_end_page 1934
container_issue 7
container_start_page 1924
container_title Clinical cancer research
container_volume 17
creator JINSHENG YU
DESHMUKH, Hrishikesh
LINDBERG, Guy M
GUTMANN, Rebecca J
EMNETT, Ryan J
SALAVAGGIONE, Lorena
GUTMANN, David H
NAGARAJAN, Rakesh
WATSON, Mark A
PERRY, Arie
PAYTON, Jacqueline E
DUNHAM, Christopher
SCHEITHAUER, Bernd W
TIHAN, Tarik
PRAYSON, Richard A
GUHA, Abhijit
BRIDGE, Julia A
FERNER, Rosalie E
description Malignant peripheral nerve sheath tumors (MPNST) are highly aggressive sarcomas with variable patient survival and few known prognostically relevant genomic biomarkers. To identify survival-associated genomic biomarkers, we performed high-resolution array-based comparative genomic hybridization (aCGH) on a large set of MPNSTs. Candidate gene alterations identified by aCGH in 38 MPNSTs were validated at the DNA, RNA, and protein levels on these same tumors and an independent set of 87 MPNST specimens. aCGH revealed highly complex copy number alterations, including both previously reported and completely novel loci. Four regions of copy number gain were associated with poor patient survival. Candidate genes in these regions include SOX5 (12p12.1), NOL1 and MLF2 (12p13.31), FOXM1 and FKBP1 (12p13.33), and CDK4 and TSPAN31 (12q14.1). Alterations of these candidate genes and several others of interest (ERBB2, MYC and TP53) were confirmed by at least 1 complementary methodology, including DNA and mRNA quantitative real-time PCR, mRNA expression profiling, and tissue microarray-based fluorescence in situ hybridization and immunohistochemistry. Multivariate analysis showed that CDK4 gain/amplification and increased FOXM1 protein expression were the most significant independent predictors for poor survival in MPNST patients (P < 0.05). Our study provides new and independently confirmed candidate genes that could serve as genomic biomarkers for overall survival in MPNST patients.
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To identify survival-associated genomic biomarkers, we performed high-resolution array-based comparative genomic hybridization (aCGH) on a large set of MPNSTs. Candidate gene alterations identified by aCGH in 38 MPNSTs were validated at the DNA, RNA, and protein levels on these same tumors and an independent set of 87 MPNST specimens. aCGH revealed highly complex copy number alterations, including both previously reported and completely novel loci. Four regions of copy number gain were associated with poor patient survival. Candidate genes in these regions include SOX5 (12p12.1), NOL1 and MLF2 (12p13.31), FOXM1 and FKBP1 (12p13.33), and CDK4 and TSPAN31 (12q14.1). Alterations of these candidate genes and several others of interest (ERBB2, MYC and TP53) were confirmed by at least 1 complementary methodology, including DNA and mRNA quantitative real-time PCR, mRNA expression profiling, and tissue microarray-based fluorescence in situ hybridization and immunohistochemistry. Multivariate analysis showed that CDK4 gain/amplification and increased FOXM1 protein expression were the most significant independent predictors for poor survival in MPNST patients (P &lt; 0.05). 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Drug treatments ; Prognosis ; Proportional Hazards Models ; Proto-Oncogene Proteins c-myc - genetics ; Receptor, ErbB-2 - genetics ; SOXD Transcription Factors - genetics ; Tacrolimus Binding Protein 1A - genetics ; Tetraspanins ; Transcription, Genetic ; tRNA Methyltransferases - genetics ; Tumor Suppressor Protein p53 - genetics ; Tumors of the nervous system. 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To identify survival-associated genomic biomarkers, we performed high-resolution array-based comparative genomic hybridization (aCGH) on a large set of MPNSTs. Candidate gene alterations identified by aCGH in 38 MPNSTs were validated at the DNA, RNA, and protein levels on these same tumors and an independent set of 87 MPNST specimens. aCGH revealed highly complex copy number alterations, including both previously reported and completely novel loci. Four regions of copy number gain were associated with poor patient survival. Candidate genes in these regions include SOX5 (12p12.1), NOL1 and MLF2 (12p13.31), FOXM1 and FKBP1 (12p13.33), and CDK4 and TSPAN31 (12q14.1). Alterations of these candidate genes and several others of interest (ERBB2, MYC and TP53) were confirmed by at least 1 complementary methodology, including DNA and mRNA quantitative real-time PCR, mRNA expression profiling, and tissue microarray-based fluorescence in situ hybridization and immunohistochemistry. Multivariate analysis showed that CDK4 gain/amplification and increased FOXM1 protein expression were the most significant independent predictors for poor survival in MPNST patients (P &lt; 0.05). Our study provides new and independently confirmed candidate genes that could serve as genomic biomarkers for overall survival in MPNST patients.</description><subject>Adolescent</subject><subject>Adult</subject><subject>Aged</subject><subject>Antineoplastic agents</subject><subject>Biological and medical sciences</subject><subject>Biomarkers, Tumor - genetics</subject><subject>Child</subject><subject>Comparative Genomic Hybridization</subject><subject>Cyclin-Dependent Kinase 4 - genetics</subject><subject>Female</subject><subject>Forkhead Box Protein M1</subject><subject>Forkhead Transcription Factors - genetics</subject><subject>Gene Dosage</subject><subject>Gene Duplication</subject><subject>Genetic Association Studies</subject><subject>Humans</subject><subject>In Situ Hybridization, Fluorescence</subject><subject>Kaplan-Meier Estimate</subject><subject>Male</subject><subject>Medical sciences</subject><subject>Membrane Proteins - genetics</subject><subject>Middle Aged</subject><subject>Multivariate Analysis</subject><subject>Neoplasm Recurrence, Local</subject><subject>Nerve Sheath Neoplasms - diagnosis</subject><subject>Nerve Sheath Neoplasms - genetics</subject><subject>Nerve Sheath Neoplasms - mortality</subject><subject>Neurology</subject><subject>Nuclear Proteins - genetics</subject><subject>Pharmacology. Drug treatments</subject><subject>Prognosis</subject><subject>Proportional Hazards Models</subject><subject>Proto-Oncogene Proteins c-myc - genetics</subject><subject>Receptor, ErbB-2 - genetics</subject><subject>SOXD Transcription Factors - genetics</subject><subject>Tacrolimus Binding Protein 1A - genetics</subject><subject>Tetraspanins</subject><subject>Transcription, Genetic</subject><subject>tRNA Methyltransferases - genetics</subject><subject>Tumor Suppressor Protein p53 - genetics</subject><subject>Tumors of the nervous system. 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Multivariate analysis showed that CDK4 gain/amplification and increased FOXM1 protein expression were the most significant independent predictors for poor survival in MPNST patients (P &lt; 0.05). Our study provides new and independently confirmed candidate genes that could serve as genomic biomarkers for overall survival in MPNST patients.</abstract><cop>Philadelphia, PA</cop><pub>American Association for Cancer Research</pub><pmid>21325289</pmid><doi>10.1158/1078-0432.ccr-10-1551</doi><tpages>11</tpages><oa>free_for_read</oa></addata></record>
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subjects Adolescent
Adult
Aged
Antineoplastic agents
Biological and medical sciences
Biomarkers, Tumor - genetics
Child
Comparative Genomic Hybridization
Cyclin-Dependent Kinase 4 - genetics
Female
Forkhead Box Protein M1
Forkhead Transcription Factors - genetics
Gene Dosage
Gene Duplication
Genetic Association Studies
Humans
In Situ Hybridization, Fluorescence
Kaplan-Meier Estimate
Male
Medical sciences
Membrane Proteins - genetics
Middle Aged
Multivariate Analysis
Neoplasm Recurrence, Local
Nerve Sheath Neoplasms - diagnosis
Nerve Sheath Neoplasms - genetics
Nerve Sheath Neoplasms - mortality
Neurology
Nuclear Proteins - genetics
Pharmacology. Drug treatments
Prognosis
Proportional Hazards Models
Proto-Oncogene Proteins c-myc - genetics
Receptor, ErbB-2 - genetics
SOXD Transcription Factors - genetics
Tacrolimus Binding Protein 1A - genetics
Tetraspanins
Transcription, Genetic
tRNA Methyltransferases - genetics
Tumor Suppressor Protein p53 - genetics
Tumors of the nervous system. Phacomatoses
Young Adult
title Array-Based Comparative Genomic Hybridization Identifies CDK4 and FOXM1 Alterations as Independent Predictors of Survival in Malignant Peripheral Nerve Sheath Tumor
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