Activated BRAF induces gliomas in mice when combined with Ink4a/Arf loss or Akt activation

Mutations in receptor tyrosine kinase (RTK) growth factor receptors ( epidermal growth factor receptor , platelet-derived growth factor receptor , MET and ERBB2) , which result in downstream activation of the RAS/RAF/MEK/ERK mitogen-activated protein kinase (MAPK) pathway and PI(3)K/Akt pathway, are...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Veröffentlicht in:Oncogene 2010-01, Vol.29 (3), p.335-344
Hauptverfasser: Robinson, J P, VanBrocklin, M W, Guilbeault, A R, Signorelli, D L, Brandner, S, Holmen, S L
Format: Artikel
Sprache:eng
Schlagworte:
Online-Zugang:Volltext
Tags: Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
container_end_page 344
container_issue 3
container_start_page 335
container_title Oncogene
container_volume 29
creator Robinson, J P
VanBrocklin, M W
Guilbeault, A R
Signorelli, D L
Brandner, S
Holmen, S L
description Mutations in receptor tyrosine kinase (RTK) growth factor receptors ( epidermal growth factor receptor , platelet-derived growth factor receptor , MET and ERBB2) , which result in downstream activation of the RAS/RAF/MEK/ERK mitogen-activated protein kinase (MAPK) pathway and PI(3)K/Akt pathway, are found in almost all high-grade gliomas and MAPK signaling is necessary for continued glioma maintenance. In addition, BRAF is mutated in the majority of low-grade gliomas and its expression and activity is significantly increased in the majority of high-grade gliomas. Although the importance of RTKs and RAS signaling in glioma development has been shown, the role of BRAF has yet to be characterized. We evaluated the effect of activated BRAF in glioma formation using the retroviral r eplication- c ompetent a vian leukosis virus long terminal repeat, s plice acceptor (RCAS)/TVA system to transfer genes encoding activated forms of BRAF, KRas, Akt and Cre to nestin-expressing neural progenitor cells in Ink4a/Arf lox/lox mice in vivo . Although expression of activated BRAF alone is not sufficient for tumorigenesis, the combination of activated BRAF and Akt or BRAF with Ink4a/Arf loss is transforming. Interestingly, activated BRAF generates gliomas with characteristics similar to activated KRas in the context of Akt but not Ink4a/Arf loss. Our studies show a role for BRAF activation and signaling in glioma development and as potential target for glioma therapy.
doi_str_mv 10.1038/onc.2009.333
format Article
fullrecord <record><control><sourceid>gale_pubme</sourceid><recordid>TN_cdi_pubmedcentral_primary_oai_pubmedcentral_nih_gov_4109991</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><galeid>A217846613</galeid><sourcerecordid>A217846613</sourcerecordid><originalsourceid>FETCH-LOGICAL-c576t-13a1a2124ebd0e55a4592967f54110e72f24f8eeea94fb4a59e8421d87ff48033</originalsourceid><addsrcrecordid>eNp9ks9rFDEUx4Modl29eZagqBdnm58zk4swLVYLBUH04iVkMy-7aWeSNplt6X9vll1aK0UCCcn7vO9LXr4IvaZkQQlvD2OwC0aIWnDOn6AZFU1dSanEUzQjSpJKMc4O0IuczwkhjSLsOTqgqpVScD5Dvzs7-WszQY-PfnQn2Id-YyHj1eDjaHLZ49FbwDdrCNjGcelDQW_8tMan4UKYwy45PMSccUy4u5iw2en5GF6iZ84MGV7t1zn6dfLl5_G36uz719Pj7qyysqmninJDDaNMwLInIKURUjFVN04KSgk0zDHhWgAwSrilMFJBKxjt28Y50RLO5-jzTvdysxyhtxCmZAZ9mfxo0q2OxuuHkeDXehWvtaBEKUWLwMe9QIpXG8iTHn22MAwmQNxk3XDBBG_FttSH_5KMciKZlAV8-w94HjcplDZoxopeq8o8R-920MoMoH1wsVzPbhV1x2jTirqm25qLR6gyeig_EwM4X84fJHzaJdhU_iWBu2sFJXprGV0so7eW0cUyBX_zd_vu4b1HCvB-D5hszeCSCdbnO44xrlpak8JVOy6XUFhBun_zo4X_AGtS1Y4</addsrcrecordid><sourcetype>Open Access Repository</sourcetype><iscdi>true</iscdi><recordtype>article</recordtype><pqid>227348927</pqid></control><display><type>article</type><title>Activated BRAF induces gliomas in mice when combined with Ink4a/Arf loss or Akt activation</title><source>MEDLINE</source><source>Nature Journals Online</source><source>Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals</source><source>SpringerLink Journals - AutoHoldings</source><creator>Robinson, J P ; VanBrocklin, M W ; Guilbeault, A R ; Signorelli, D L ; Brandner, S ; Holmen, S L</creator><creatorcontrib>Robinson, J P ; VanBrocklin, M W ; Guilbeault, A R ; Signorelli, D L ; Brandner, S ; Holmen, S L</creatorcontrib><description>Mutations in receptor tyrosine kinase (RTK) growth factor receptors ( epidermal growth factor receptor , platelet-derived growth factor receptor , MET and ERBB2) , which result in downstream activation of the RAS/RAF/MEK/ERK mitogen-activated protein kinase (MAPK) pathway and PI(3)K/Akt pathway, are found in almost all high-grade gliomas and MAPK signaling is necessary for continued glioma maintenance. In addition, BRAF is mutated in the majority of low-grade gliomas and its expression and activity is significantly increased in the majority of high-grade gliomas. Although the importance of RTKs and RAS signaling in glioma development has been shown, the role of BRAF has yet to be characterized. We evaluated the effect of activated BRAF in glioma formation using the retroviral r eplication- c ompetent a vian leukosis virus long terminal repeat, s plice acceptor (RCAS)/TVA system to transfer genes encoding activated forms of BRAF, KRas, Akt and Cre to nestin-expressing neural progenitor cells in Ink4a/Arf lox/lox mice in vivo . Although expression of activated BRAF alone is not sufficient for tumorigenesis, the combination of activated BRAF and Akt or BRAF with Ink4a/Arf loss is transforming. Interestingly, activated BRAF generates gliomas with characteristics similar to activated KRas in the context of Akt but not Ink4a/Arf loss. Our studies show a role for BRAF activation and signaling in glioma development and as potential target for glioma therapy.</description><identifier>ISSN: 0950-9232</identifier><identifier>EISSN: 1476-5594</identifier><identifier>DOI: 10.1038/onc.2009.333</identifier><identifier>PMID: 19855433</identifier><identifier>CODEN: ONCNES</identifier><language>eng</language><publisher>London: Nature Publishing Group UK</publisher><subject>Animals ; Apoptosis ; Astrocytes - cytology ; Astrocytes - metabolism ; Avian leukosis virus ; Biological and medical sciences ; Blotting, Western ; Brain cancer ; Cell Biology ; Cell Line ; Cell physiology ; Cell transformation and carcinogenesis. Action of oncogenes and antioncogenes ; Cells, Cultured ; Cyclin-Dependent Kinase Inhibitor p16 - genetics ; Cyclin-Dependent Kinase Inhibitor p16 - metabolism ; Enzyme Activation ; Fundamental and applied biological sciences. Psychology ; Gene mutations ; Genetic aspects ; Genetics ; Glioma - genetics ; Glioma - metabolism ; Glioma - pathology ; Gliomas ; Growth factor receptors ; Human Genetics ; Immunohistochemistry ; Internal Medicine ; Medical sciences ; Medicine ; Medicine &amp; Public Health ; Mice ; Mice, Transgenic ; Mitogen-Activated Protein Kinases - metabolism ; Molecular and cellular biology ; Mutation ; Neurology ; Oncology ; original-article ; Physiological aspects ; Proto-Oncogene Proteins B-raf - genetics ; Proto-Oncogene Proteins B-raf - metabolism ; Proto-Oncogene Proteins c-akt - genetics ; Proto-Oncogene Proteins c-akt - metabolism ; Proto-Oncogene Proteins p21(ras) - genetics ; Proto-Oncogene Proteins p21(ras) - metabolism ; Risk factors ; Rodents ; Signal transduction ; Transfection ; Tumors of the nervous system. Phacomatoses</subject><ispartof>Oncogene, 2010-01, Vol.29 (3), p.335-344</ispartof><rights>Macmillan Publishers Limited 2010</rights><rights>2015 INIST-CNRS</rights><rights>COPYRIGHT 2010 Nature Publishing Group</rights><rights>Copyright Nature Publishing Group Jan 21, 2010</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c576t-13a1a2124ebd0e55a4592967f54110e72f24f8eeea94fb4a59e8421d87ff48033</citedby><cites>FETCH-LOGICAL-c576t-13a1a2124ebd0e55a4592967f54110e72f24f8eeea94fb4a59e8421d87ff48033</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1038/onc.2009.333$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1038/onc.2009.333$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>230,314,776,780,881,27903,27904,41467,42536,51297</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&amp;idt=22398160$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/19855433$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Robinson, J P</creatorcontrib><creatorcontrib>VanBrocklin, M W</creatorcontrib><creatorcontrib>Guilbeault, A R</creatorcontrib><creatorcontrib>Signorelli, D L</creatorcontrib><creatorcontrib>Brandner, S</creatorcontrib><creatorcontrib>Holmen, S L</creatorcontrib><title>Activated BRAF induces gliomas in mice when combined with Ink4a/Arf loss or Akt activation</title><title>Oncogene</title><addtitle>Oncogene</addtitle><addtitle>Oncogene</addtitle><description>Mutations in receptor tyrosine kinase (RTK) growth factor receptors ( epidermal growth factor receptor , platelet-derived growth factor receptor , MET and ERBB2) , which result in downstream activation of the RAS/RAF/MEK/ERK mitogen-activated protein kinase (MAPK) pathway and PI(3)K/Akt pathway, are found in almost all high-grade gliomas and MAPK signaling is necessary for continued glioma maintenance. In addition, BRAF is mutated in the majority of low-grade gliomas and its expression and activity is significantly increased in the majority of high-grade gliomas. Although the importance of RTKs and RAS signaling in glioma development has been shown, the role of BRAF has yet to be characterized. We evaluated the effect of activated BRAF in glioma formation using the retroviral r eplication- c ompetent a vian leukosis virus long terminal repeat, s plice acceptor (RCAS)/TVA system to transfer genes encoding activated forms of BRAF, KRas, Akt and Cre to nestin-expressing neural progenitor cells in Ink4a/Arf lox/lox mice in vivo . Although expression of activated BRAF alone is not sufficient for tumorigenesis, the combination of activated BRAF and Akt or BRAF with Ink4a/Arf loss is transforming. Interestingly, activated BRAF generates gliomas with characteristics similar to activated KRas in the context of Akt but not Ink4a/Arf loss. Our studies show a role for BRAF activation and signaling in glioma development and as potential target for glioma therapy.</description><subject>Animals</subject><subject>Apoptosis</subject><subject>Astrocytes - cytology</subject><subject>Astrocytes - metabolism</subject><subject>Avian leukosis virus</subject><subject>Biological and medical sciences</subject><subject>Blotting, Western</subject><subject>Brain cancer</subject><subject>Cell Biology</subject><subject>Cell Line</subject><subject>Cell physiology</subject><subject>Cell transformation and carcinogenesis. Action of oncogenes and antioncogenes</subject><subject>Cells, Cultured</subject><subject>Cyclin-Dependent Kinase Inhibitor p16 - genetics</subject><subject>Cyclin-Dependent Kinase Inhibitor p16 - metabolism</subject><subject>Enzyme Activation</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Gene mutations</subject><subject>Genetic aspects</subject><subject>Genetics</subject><subject>Glioma - genetics</subject><subject>Glioma - metabolism</subject><subject>Glioma - pathology</subject><subject>Gliomas</subject><subject>Growth factor receptors</subject><subject>Human Genetics</subject><subject>Immunohistochemistry</subject><subject>Internal Medicine</subject><subject>Medical sciences</subject><subject>Medicine</subject><subject>Medicine &amp; Public Health</subject><subject>Mice</subject><subject>Mice, Transgenic</subject><subject>Mitogen-Activated Protein Kinases - metabolism</subject><subject>Molecular and cellular biology</subject><subject>Mutation</subject><subject>Neurology</subject><subject>Oncology</subject><subject>original-article</subject><subject>Physiological aspects</subject><subject>Proto-Oncogene Proteins B-raf - genetics</subject><subject>Proto-Oncogene Proteins B-raf - metabolism</subject><subject>Proto-Oncogene Proteins c-akt - genetics</subject><subject>Proto-Oncogene Proteins c-akt - metabolism</subject><subject>Proto-Oncogene Proteins p21(ras) - genetics</subject><subject>Proto-Oncogene Proteins p21(ras) - metabolism</subject><subject>Risk factors</subject><subject>Rodents</subject><subject>Signal transduction</subject><subject>Transfection</subject><subject>Tumors of the nervous system. Phacomatoses</subject><issn>0950-9232</issn><issn>1476-5594</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2010</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><sourceid>8G5</sourceid><sourceid>BENPR</sourceid><sourceid>GUQSH</sourceid><sourceid>M2O</sourceid><recordid>eNp9ks9rFDEUx4Modl29eZagqBdnm58zk4swLVYLBUH04iVkMy-7aWeSNplt6X9vll1aK0UCCcn7vO9LXr4IvaZkQQlvD2OwC0aIWnDOn6AZFU1dSanEUzQjSpJKMc4O0IuczwkhjSLsOTqgqpVScD5Dvzs7-WszQY-PfnQn2Id-YyHj1eDjaHLZ49FbwDdrCNjGcelDQW_8tMan4UKYwy45PMSccUy4u5iw2en5GF6iZ84MGV7t1zn6dfLl5_G36uz719Pj7qyysqmninJDDaNMwLInIKURUjFVN04KSgk0zDHhWgAwSrilMFJBKxjt28Y50RLO5-jzTvdysxyhtxCmZAZ9mfxo0q2OxuuHkeDXehWvtaBEKUWLwMe9QIpXG8iTHn22MAwmQNxk3XDBBG_FttSH_5KMciKZlAV8-w94HjcplDZoxopeq8o8R-920MoMoH1wsVzPbhV1x2jTirqm25qLR6gyeig_EwM4X84fJHzaJdhU_iWBu2sFJXprGV0so7eW0cUyBX_zd_vu4b1HCvB-D5hszeCSCdbnO44xrlpak8JVOy6XUFhBun_zo4X_AGtS1Y4</recordid><startdate>20100121</startdate><enddate>20100121</enddate><creator>Robinson, J P</creator><creator>VanBrocklin, M W</creator><creator>Guilbeault, A R</creator><creator>Signorelli, D L</creator><creator>Brandner, S</creator><creator>Holmen, S L</creator><general>Nature Publishing Group UK</general><general>Nature Publishing Group</general><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7TM</scope><scope>7TO</scope><scope>7U9</scope><scope>7X7</scope><scope>7XB</scope><scope>88A</scope><scope>88E</scope><scope>8AO</scope><scope>8C1</scope><scope>8FD</scope><scope>8FE</scope><scope>8FH</scope><scope>8FI</scope><scope>8FJ</scope><scope>8FK</scope><scope>8G5</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BBNVY</scope><scope>BENPR</scope><scope>BHPHI</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>FR3</scope><scope>FYUFA</scope><scope>GHDGH</scope><scope>GNUQQ</scope><scope>GUQSH</scope><scope>H94</scope><scope>HCIFZ</scope><scope>K9.</scope><scope>LK8</scope><scope>M0S</scope><scope>M1P</scope><scope>M2O</scope><scope>M7P</scope><scope>MBDVC</scope><scope>P64</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>Q9U</scope><scope>RC3</scope><scope>7TK</scope><scope>7X8</scope><scope>5PM</scope></search><sort><creationdate>20100121</creationdate><title>Activated BRAF induces gliomas in mice when combined with Ink4a/Arf loss or Akt activation</title><author>Robinson, J P ; VanBrocklin, M W ; Guilbeault, A R ; Signorelli, D L ; Brandner, S ; Holmen, S L</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c576t-13a1a2124ebd0e55a4592967f54110e72f24f8eeea94fb4a59e8421d87ff48033</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2010</creationdate><topic>Animals</topic><topic>Apoptosis</topic><topic>Astrocytes - cytology</topic><topic>Astrocytes - metabolism</topic><topic>Avian leukosis virus</topic><topic>Biological and medical sciences</topic><topic>Blotting, Western</topic><topic>Brain cancer</topic><topic>Cell Biology</topic><topic>Cell Line</topic><topic>Cell physiology</topic><topic>Cell transformation and carcinogenesis. Action of oncogenes and antioncogenes</topic><topic>Cells, Cultured</topic><topic>Cyclin-Dependent Kinase Inhibitor p16 - genetics</topic><topic>Cyclin-Dependent Kinase Inhibitor p16 - metabolism</topic><topic>Enzyme Activation</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>Gene mutations</topic><topic>Genetic aspects</topic><topic>Genetics</topic><topic>Glioma - genetics</topic><topic>Glioma - metabolism</topic><topic>Glioma - pathology</topic><topic>Gliomas</topic><topic>Growth factor receptors</topic><topic>Human Genetics</topic><topic>Immunohistochemistry</topic><topic>Internal Medicine</topic><topic>Medical sciences</topic><topic>Medicine</topic><topic>Medicine &amp; Public Health</topic><topic>Mice</topic><topic>Mice, Transgenic</topic><topic>Mitogen-Activated Protein Kinases - metabolism</topic><topic>Molecular and cellular biology</topic><topic>Mutation</topic><topic>Neurology</topic><topic>Oncology</topic><topic>original-article</topic><topic>Physiological aspects</topic><topic>Proto-Oncogene Proteins B-raf - genetics</topic><topic>Proto-Oncogene Proteins B-raf - metabolism</topic><topic>Proto-Oncogene Proteins c-akt - genetics</topic><topic>Proto-Oncogene Proteins c-akt - metabolism</topic><topic>Proto-Oncogene Proteins p21(ras) - genetics</topic><topic>Proto-Oncogene Proteins p21(ras) - metabolism</topic><topic>Risk factors</topic><topic>Rodents</topic><topic>Signal transduction</topic><topic>Transfection</topic><topic>Tumors of the nervous system. Phacomatoses</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Robinson, J P</creatorcontrib><creatorcontrib>VanBrocklin, M W</creatorcontrib><creatorcontrib>Guilbeault, A R</creatorcontrib><creatorcontrib>Signorelli, D L</creatorcontrib><creatorcontrib>Brandner, S</creatorcontrib><creatorcontrib>Holmen, S L</creatorcontrib><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>ProQuest Central (Corporate)</collection><collection>Nucleic Acids Abstracts</collection><collection>Oncogenes and Growth Factors Abstracts</collection><collection>Virology and AIDS Abstracts</collection><collection>Health &amp; Medical Collection</collection><collection>ProQuest Central (purchase pre-March 2016)</collection><collection>Biology Database (Alumni Edition)</collection><collection>Medical Database (Alumni Edition)</collection><collection>ProQuest Pharma Collection</collection><collection>Public Health Database</collection><collection>Technology Research Database</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Natural Science Collection</collection><collection>Hospital Premium Collection</collection><collection>Hospital Premium Collection (Alumni Edition)</collection><collection>ProQuest Central (Alumni) (purchase pre-March 2016)</collection><collection>Research Library (Alumni Edition)</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central Essentials</collection><collection>Biological Science Collection</collection><collection>ProQuest Central</collection><collection>Natural Science Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>Engineering Research Database</collection><collection>Health Research Premium Collection</collection><collection>Health Research Premium Collection (Alumni)</collection><collection>ProQuest Central Student</collection><collection>Research Library Prep</collection><collection>AIDS and Cancer Research Abstracts</collection><collection>SciTech Premium Collection</collection><collection>ProQuest Health &amp; Medical Complete (Alumni)</collection><collection>ProQuest Biological Science Collection</collection><collection>Health &amp; Medical Collection (Alumni Edition)</collection><collection>Medical Database</collection><collection>Research Library</collection><collection>Biological Science Database</collection><collection>Research Library (Corporate)</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central Basic</collection><collection>Genetics Abstracts</collection><collection>Neurosciences Abstracts</collection><collection>MEDLINE - Academic</collection><collection>PubMed Central (Full Participant titles)</collection><jtitle>Oncogene</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Robinson, J P</au><au>VanBrocklin, M W</au><au>Guilbeault, A R</au><au>Signorelli, D L</au><au>Brandner, S</au><au>Holmen, S L</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Activated BRAF induces gliomas in mice when combined with Ink4a/Arf loss or Akt activation</atitle><jtitle>Oncogene</jtitle><stitle>Oncogene</stitle><addtitle>Oncogene</addtitle><date>2010-01-21</date><risdate>2010</risdate><volume>29</volume><issue>3</issue><spage>335</spage><epage>344</epage><pages>335-344</pages><issn>0950-9232</issn><eissn>1476-5594</eissn><coden>ONCNES</coden><abstract>Mutations in receptor tyrosine kinase (RTK) growth factor receptors ( epidermal growth factor receptor , platelet-derived growth factor receptor , MET and ERBB2) , which result in downstream activation of the RAS/RAF/MEK/ERK mitogen-activated protein kinase (MAPK) pathway and PI(3)K/Akt pathway, are found in almost all high-grade gliomas and MAPK signaling is necessary for continued glioma maintenance. In addition, BRAF is mutated in the majority of low-grade gliomas and its expression and activity is significantly increased in the majority of high-grade gliomas. Although the importance of RTKs and RAS signaling in glioma development has been shown, the role of BRAF has yet to be characterized. We evaluated the effect of activated BRAF in glioma formation using the retroviral r eplication- c ompetent a vian leukosis virus long terminal repeat, s plice acceptor (RCAS)/TVA system to transfer genes encoding activated forms of BRAF, KRas, Akt and Cre to nestin-expressing neural progenitor cells in Ink4a/Arf lox/lox mice in vivo . Although expression of activated BRAF alone is not sufficient for tumorigenesis, the combination of activated BRAF and Akt or BRAF with Ink4a/Arf loss is transforming. Interestingly, activated BRAF generates gliomas with characteristics similar to activated KRas in the context of Akt but not Ink4a/Arf loss. Our studies show a role for BRAF activation and signaling in glioma development and as potential target for glioma therapy.</abstract><cop>London</cop><pub>Nature Publishing Group UK</pub><pmid>19855433</pmid><doi>10.1038/onc.2009.333</doi><tpages>10</tpages><oa>free_for_read</oa></addata></record>
fulltext fulltext
identifier ISSN: 0950-9232
ispartof Oncogene, 2010-01, Vol.29 (3), p.335-344
issn 0950-9232
1476-5594
language eng
recordid cdi_pubmedcentral_primary_oai_pubmedcentral_nih_gov_4109991
source MEDLINE; Nature Journals Online; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals; SpringerLink Journals - AutoHoldings
subjects Animals
Apoptosis
Astrocytes - cytology
Astrocytes - metabolism
Avian leukosis virus
Biological and medical sciences
Blotting, Western
Brain cancer
Cell Biology
Cell Line
Cell physiology
Cell transformation and carcinogenesis. Action of oncogenes and antioncogenes
Cells, Cultured
Cyclin-Dependent Kinase Inhibitor p16 - genetics
Cyclin-Dependent Kinase Inhibitor p16 - metabolism
Enzyme Activation
Fundamental and applied biological sciences. Psychology
Gene mutations
Genetic aspects
Genetics
Glioma - genetics
Glioma - metabolism
Glioma - pathology
Gliomas
Growth factor receptors
Human Genetics
Immunohistochemistry
Internal Medicine
Medical sciences
Medicine
Medicine & Public Health
Mice
Mice, Transgenic
Mitogen-Activated Protein Kinases - metabolism
Molecular and cellular biology
Mutation
Neurology
Oncology
original-article
Physiological aspects
Proto-Oncogene Proteins B-raf - genetics
Proto-Oncogene Proteins B-raf - metabolism
Proto-Oncogene Proteins c-akt - genetics
Proto-Oncogene Proteins c-akt - metabolism
Proto-Oncogene Proteins p21(ras) - genetics
Proto-Oncogene Proteins p21(ras) - metabolism
Risk factors
Rodents
Signal transduction
Transfection
Tumors of the nervous system. Phacomatoses
title Activated BRAF induces gliomas in mice when combined with Ink4a/Arf loss or Akt activation
url https://sfx.bib-bvb.de/sfx_tum?ctx_ver=Z39.88-2004&ctx_enc=info:ofi/enc:UTF-8&ctx_tim=2025-01-27T23%3A43%3A40IST&url_ver=Z39.88-2004&url_ctx_fmt=infofi/fmt:kev:mtx:ctx&rfr_id=info:sid/primo.exlibrisgroup.com:primo3-Article-gale_pubme&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.genre=article&rft.atitle=Activated%20BRAF%20induces%20gliomas%20in%20mice%20when%20combined%20with%20Ink4a/Arf%20loss%20or%20Akt%20activation&rft.jtitle=Oncogene&rft.au=Robinson,%20J%20P&rft.date=2010-01-21&rft.volume=29&rft.issue=3&rft.spage=335&rft.epage=344&rft.pages=335-344&rft.issn=0950-9232&rft.eissn=1476-5594&rft.coden=ONCNES&rft_id=info:doi/10.1038/onc.2009.333&rft_dat=%3Cgale_pubme%3EA217846613%3C/gale_pubme%3E%3Curl%3E%3C/url%3E&disable_directlink=true&sfx.directlink=off&sfx.report_link=0&rft_id=info:oai/&rft_pqid=227348927&rft_id=info:pmid/19855433&rft_galeid=A217846613&rfr_iscdi=true