author_facet Alimova, Irina
Venkataraman, Sujatha
Harris, Peter
Marquez, Victor E.
Northcott, Paul A.
Dubuc, Adrian
Taylor, Michael D.
Foreman, Nicholas K.
Vibhakar, Rajeev
Alimova, Irina
Venkataraman, Sujatha
Harris, Peter
Marquez, Victor E.
Northcott, Paul A.
Dubuc, Adrian
Taylor, Michael D.
Foreman, Nicholas K.
Vibhakar, Rajeev
author Alimova, Irina
Venkataraman, Sujatha
Harris, Peter
Marquez, Victor E.
Northcott, Paul A.
Dubuc, Adrian
Taylor, Michael D.
Foreman, Nicholas K.
Vibhakar, Rajeev
spellingShingle Alimova, Irina
Venkataraman, Sujatha
Harris, Peter
Marquez, Victor E.
Northcott, Paul A.
Dubuc, Adrian
Taylor, Michael D.
Foreman, Nicholas K.
Vibhakar, Rajeev
International Journal of Cancer
Targeting the enhancer of zeste homologue 2 in medulloblastoma
Cancer Research
Oncology
author_sort alimova, irina
spelling Alimova, Irina Venkataraman, Sujatha Harris, Peter Marquez, Victor E. Northcott, Paul A. Dubuc, Adrian Taylor, Michael D. Foreman, Nicholas K. Vibhakar, Rajeev 0020-7136 1097-0215 Wiley Cancer Research Oncology http://dx.doi.org/10.1002/ijc.27455 <jats:title>Abstract</jats:title><jats:p>Enhancer of zeste homologue 2 (EZH2) is the catalytic subunit of Polycomb repressive complex 2 that catalyzes the trimethylation of histone H3 on Lys 27, and represses gene transcription. EZH2 enhances cancer‐cell proliferation and regulates stem cell maintenance and differentiation. Here, we demonstrate that EZH2 is highly expressed in medulloblastoma, a highly malignant brain tumor of childhood, and this altered expression is correlated with genomic gain of chromosome 7 in a subset of medulloblastoma. Inhibition of EZH2 by RNAi suppresses medulloblastoma tumor cell growth. We show that 3‐deazaneplanocin A, a chemical inhibitor of EZH2, can suppress medulloblastoma cell growth partially by inducing apoptosis. Suppression of EZH2 expression diminishes the ability of tumor cells to form spheres in culture and strongly represses the ability of known oncogenes to transform neural stem cells. These findings establish a role of EZH2 in medulloblastoma and identify EZH2 as a potential therapeutic target especially in high‐risk tumors.</jats:p> Targeting the enhancer of zeste homologue 2 in medulloblastoma International Journal of Cancer
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title Targeting the enhancer of zeste homologue 2 in medulloblastoma
title_unstemmed Targeting the enhancer of zeste homologue 2 in medulloblastoma
title_full Targeting the enhancer of zeste homologue 2 in medulloblastoma
title_fullStr Targeting the enhancer of zeste homologue 2 in medulloblastoma
title_full_unstemmed Targeting the enhancer of zeste homologue 2 in medulloblastoma
title_short Targeting the enhancer of zeste homologue 2 in medulloblastoma
title_sort targeting the enhancer of zeste homologue 2 in medulloblastoma
topic Cancer Research
Oncology
url http://dx.doi.org/10.1002/ijc.27455
publishDate 2012
physical 1800-1809
description <jats:title>Abstract</jats:title><jats:p>Enhancer of zeste homologue 2 (EZH2) is the catalytic subunit of Polycomb repressive complex 2 that catalyzes the trimethylation of histone H3 on Lys 27, and represses gene transcription. EZH2 enhances cancer‐cell proliferation and regulates stem cell maintenance and differentiation. Here, we demonstrate that EZH2 is highly expressed in medulloblastoma, a highly malignant brain tumor of childhood, and this altered expression is correlated with genomic gain of chromosome 7 in a subset of medulloblastoma. Inhibition of EZH2 by RNAi suppresses medulloblastoma tumor cell growth. We show that 3‐deazaneplanocin A, a chemical inhibitor of EZH2, can suppress medulloblastoma cell growth partially by inducing apoptosis. Suppression of EZH2 expression diminishes the ability of tumor cells to form spheres in culture and strongly represses the ability of known oncogenes to transform neural stem cells. These findings establish a role of EZH2 in medulloblastoma and identify EZH2 as a potential therapeutic target especially in high‐risk tumors.</jats:p>
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author Alimova, Irina, Venkataraman, Sujatha, Harris, Peter, Marquez, Victor E., Northcott, Paul A., Dubuc, Adrian, Taylor, Michael D., Foreman, Nicholas K., Vibhakar, Rajeev
author_facet Alimova, Irina, Venkataraman, Sujatha, Harris, Peter, Marquez, Victor E., Northcott, Paul A., Dubuc, Adrian, Taylor, Michael D., Foreman, Nicholas K., Vibhakar, Rajeev, Alimova, Irina, Venkataraman, Sujatha, Harris, Peter, Marquez, Victor E., Northcott, Paul A., Dubuc, Adrian, Taylor, Michael D., Foreman, Nicholas K., Vibhakar, Rajeev
author_sort alimova, irina
container_issue 8
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container_title International Journal of Cancer
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description <jats:title>Abstract</jats:title><jats:p>Enhancer of zeste homologue 2 (EZH2) is the catalytic subunit of Polycomb repressive complex 2 that catalyzes the trimethylation of histone H3 on Lys 27, and represses gene transcription. EZH2 enhances cancer‐cell proliferation and regulates stem cell maintenance and differentiation. Here, we demonstrate that EZH2 is highly expressed in medulloblastoma, a highly malignant brain tumor of childhood, and this altered expression is correlated with genomic gain of chromosome 7 in a subset of medulloblastoma. Inhibition of EZH2 by RNAi suppresses medulloblastoma tumor cell growth. We show that 3‐deazaneplanocin A, a chemical inhibitor of EZH2, can suppress medulloblastoma cell growth partially by inducing apoptosis. Suppression of EZH2 expression diminishes the ability of tumor cells to form spheres in culture and strongly represses the ability of known oncogenes to transform neural stem cells. These findings establish a role of EZH2 in medulloblastoma and identify EZH2 as a potential therapeutic target especially in high‐risk tumors.</jats:p>
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spelling Alimova, Irina Venkataraman, Sujatha Harris, Peter Marquez, Victor E. Northcott, Paul A. Dubuc, Adrian Taylor, Michael D. Foreman, Nicholas K. Vibhakar, Rajeev 0020-7136 1097-0215 Wiley Cancer Research Oncology http://dx.doi.org/10.1002/ijc.27455 <jats:title>Abstract</jats:title><jats:p>Enhancer of zeste homologue 2 (EZH2) is the catalytic subunit of Polycomb repressive complex 2 that catalyzes the trimethylation of histone H3 on Lys 27, and represses gene transcription. EZH2 enhances cancer‐cell proliferation and regulates stem cell maintenance and differentiation. Here, we demonstrate that EZH2 is highly expressed in medulloblastoma, a highly malignant brain tumor of childhood, and this altered expression is correlated with genomic gain of chromosome 7 in a subset of medulloblastoma. Inhibition of EZH2 by RNAi suppresses medulloblastoma tumor cell growth. We show that 3‐deazaneplanocin A, a chemical inhibitor of EZH2, can suppress medulloblastoma cell growth partially by inducing apoptosis. Suppression of EZH2 expression diminishes the ability of tumor cells to form spheres in culture and strongly represses the ability of known oncogenes to transform neural stem cells. These findings establish a role of EZH2 in medulloblastoma and identify EZH2 as a potential therapeutic target especially in high‐risk tumors.</jats:p> Targeting the enhancer of zeste homologue 2 in medulloblastoma International Journal of Cancer
spellingShingle Alimova, Irina, Venkataraman, Sujatha, Harris, Peter, Marquez, Victor E., Northcott, Paul A., Dubuc, Adrian, Taylor, Michael D., Foreman, Nicholas K., Vibhakar, Rajeev, International Journal of Cancer, Targeting the enhancer of zeste homologue 2 in medulloblastoma, Cancer Research, Oncology
title Targeting the enhancer of zeste homologue 2 in medulloblastoma
title_full Targeting the enhancer of zeste homologue 2 in medulloblastoma
title_fullStr Targeting the enhancer of zeste homologue 2 in medulloblastoma
title_full_unstemmed Targeting the enhancer of zeste homologue 2 in medulloblastoma
title_short Targeting the enhancer of zeste homologue 2 in medulloblastoma
title_sort targeting the enhancer of zeste homologue 2 in medulloblastoma
title_unstemmed Targeting the enhancer of zeste homologue 2 in medulloblastoma
topic Cancer Research, Oncology
url http://dx.doi.org/10.1002/ijc.27455