Epigenetic repression of ROR2 has a Wnt-mediated, pro-tumourigenic role in colon cancer
Background Wnt factors control cell differentiation through semi-independent molecular cascades known as the β-catenin-dependent (canonical) and -independent (non-canonical) Wnt signalling pathways. Genetic and epigenetic alteration of components of the canonical Wnt signalling pathway is one of the...
Ausführliche Beschreibung
Autor*in: |
Lara, Ester [verfasserIn] |
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Englisch |
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2010 |
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© Lara et al; licensee BioMed Central Ltd. 2010. This article is published under license to BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License ( |
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Enthalten in: Molecular cancer - London : Biomed Central, 2002, 9(2010), 1 vom: 30. Juni |
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Übergeordnetes Werk: |
volume:9 ; year:2010 ; number:1 ; day:30 ; month:06 |
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DOI / URN: |
10.1186/1476-4598-9-170 |
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SPR028928288 |
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520 | |a Background Wnt factors control cell differentiation through semi-independent molecular cascades known as the β-catenin-dependent (canonical) and -independent (non-canonical) Wnt signalling pathways. Genetic and epigenetic alteration of components of the canonical Wnt signalling pathway is one of the primary mechanisms underlying colon cancer. Despite increasing evidence of the role of the non-canonical pathways in tumourigenesis, however, the underlying molecular mechanisms are poorly understood. Results Here we report that the receptor tyrosine kinase-like orphan receptor 2 (ROR2), a transmembrane receptor for Wnt factors that activates non-canonical pathways, is frequently repressed by aberrant promoter hypermethylation in human colon cancer cell lines and primary tumours. By restoring ROR2 activity in colon cancer cells harbouring ROR2 promoter hypermethylation, we show that the role of ROR2 in colon cancer cells is mediated, at least in part, by canonical Wnt and that its epigenetic-dependent loss can be pro-tumourigenic. Conclusions Our data show the importance of epigenetic alterations of ROR2 in colon cancer, highlighting the close interconnection between canonical and non-canonical Wnt signalling pathways in this type of tumour. | ||
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700 | 1 | |a Calvanese, Vincenzo |4 aut | |
700 | 1 | |a Huidobro, Covadonga |4 aut | |
700 | 1 | |a Fernández, Agustin F |4 aut | |
700 | 1 | |a Moncada-Pazos, Ángela |4 aut | |
700 | 1 | |a Obaya, Álvaro J |4 aut | |
700 | 1 | |a Aguilera, Oscar |4 aut | |
700 | 1 | |a González-Sancho, José Manuel |4 aut | |
700 | 1 | |a Sánchez, Laura |4 aut | |
700 | 1 | |a Astudillo, Aurora |4 aut | |
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700 | 1 | |a López-Otín, Carlos |4 aut | |
700 | 1 | |a Esteller, Manel |4 aut | |
700 | 1 | |a Fraga, Mario F |4 aut | |
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10.1186/1476-4598-9-170 doi (DE-627)SPR028928288 (SPR)1476-4598-9-170-e DE-627 ger DE-627 rakwb eng Lara, Ester verfasserin aut Epigenetic repression of ROR2 has a Wnt-mediated, pro-tumourigenic role in colon cancer 2010 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Lara et al; licensee BioMed Central Ltd. 2010. This article is published under license to BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License ( Background Wnt factors control cell differentiation through semi-independent molecular cascades known as the β-catenin-dependent (canonical) and -independent (non-canonical) Wnt signalling pathways. Genetic and epigenetic alteration of components of the canonical Wnt signalling pathway is one of the primary mechanisms underlying colon cancer. Despite increasing evidence of the role of the non-canonical pathways in tumourigenesis, however, the underlying molecular mechanisms are poorly understood. Results Here we report that the receptor tyrosine kinase-like orphan receptor 2 (ROR2), a transmembrane receptor for Wnt factors that activates non-canonical pathways, is frequently repressed by aberrant promoter hypermethylation in human colon cancer cell lines and primary tumours. By restoring ROR2 activity in colon cancer cells harbouring ROR2 promoter hypermethylation, we show that the role of ROR2 in colon cancer cells is mediated, at least in part, by canonical Wnt and that its epigenetic-dependent loss can be pro-tumourigenic. Conclusions Our data show the importance of epigenetic alterations of ROR2 in colon cancer, highlighting the close interconnection between canonical and non-canonical Wnt signalling pathways in this type of tumour. Colon Cancer Cell (dpeaa)DE-He213 Promoter Hypermethylation (dpeaa)DE-He213 DLD1 Cell (dpeaa)DE-He213 Aberrant Promoter Hypermethylation (dpeaa)DE-He213 DLD1 Colon Cancer Cell (dpeaa)DE-He213 Calvanese, Vincenzo aut Huidobro, Covadonga aut Fernández, Agustin F aut Moncada-Pazos, Ángela aut Obaya, Álvaro J aut Aguilera, Oscar aut González-Sancho, José Manuel aut Sánchez, Laura aut Astudillo, Aurora aut Muñoz, Alberto aut López-Otín, Carlos aut Esteller, Manel aut Fraga, Mario F aut Enthalten in Molecular cancer London : Biomed Central, 2002 9(2010), 1 vom: 30. Juni (DE-627)355987619 (DE-600)2091373-4 1476-4598 nnns volume:9 year:2010 number:1 day:30 month:06 https://dx.doi.org/10.1186/1476-4598-9-170 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2031 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2061 GBV_ILN_2111 GBV_ILN_2113 GBV_ILN_2190 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 9 2010 1 30 06 |
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10.1186/1476-4598-9-170 doi (DE-627)SPR028928288 (SPR)1476-4598-9-170-e DE-627 ger DE-627 rakwb eng Lara, Ester verfasserin aut Epigenetic repression of ROR2 has a Wnt-mediated, pro-tumourigenic role in colon cancer 2010 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Lara et al; licensee BioMed Central Ltd. 2010. This article is published under license to BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License ( Background Wnt factors control cell differentiation through semi-independent molecular cascades known as the β-catenin-dependent (canonical) and -independent (non-canonical) Wnt signalling pathways. Genetic and epigenetic alteration of components of the canonical Wnt signalling pathway is one of the primary mechanisms underlying colon cancer. Despite increasing evidence of the role of the non-canonical pathways in tumourigenesis, however, the underlying molecular mechanisms are poorly understood. Results Here we report that the receptor tyrosine kinase-like orphan receptor 2 (ROR2), a transmembrane receptor for Wnt factors that activates non-canonical pathways, is frequently repressed by aberrant promoter hypermethylation in human colon cancer cell lines and primary tumours. By restoring ROR2 activity in colon cancer cells harbouring ROR2 promoter hypermethylation, we show that the role of ROR2 in colon cancer cells is mediated, at least in part, by canonical Wnt and that its epigenetic-dependent loss can be pro-tumourigenic. Conclusions Our data show the importance of epigenetic alterations of ROR2 in colon cancer, highlighting the close interconnection between canonical and non-canonical Wnt signalling pathways in this type of tumour. Colon Cancer Cell (dpeaa)DE-He213 Promoter Hypermethylation (dpeaa)DE-He213 DLD1 Cell (dpeaa)DE-He213 Aberrant Promoter Hypermethylation (dpeaa)DE-He213 DLD1 Colon Cancer Cell (dpeaa)DE-He213 Calvanese, Vincenzo aut Huidobro, Covadonga aut Fernández, Agustin F aut Moncada-Pazos, Ángela aut Obaya, Álvaro J aut Aguilera, Oscar aut González-Sancho, José Manuel aut Sánchez, Laura aut Astudillo, Aurora aut Muñoz, Alberto aut López-Otín, Carlos aut Esteller, Manel aut Fraga, Mario F aut Enthalten in Molecular cancer London : Biomed Central, 2002 9(2010), 1 vom: 30. Juni (DE-627)355987619 (DE-600)2091373-4 1476-4598 nnns volume:9 year:2010 number:1 day:30 month:06 https://dx.doi.org/10.1186/1476-4598-9-170 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2031 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2061 GBV_ILN_2111 GBV_ILN_2113 GBV_ILN_2190 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 9 2010 1 30 06 |
allfields_unstemmed |
10.1186/1476-4598-9-170 doi (DE-627)SPR028928288 (SPR)1476-4598-9-170-e DE-627 ger DE-627 rakwb eng Lara, Ester verfasserin aut Epigenetic repression of ROR2 has a Wnt-mediated, pro-tumourigenic role in colon cancer 2010 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Lara et al; licensee BioMed Central Ltd. 2010. This article is published under license to BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License ( Background Wnt factors control cell differentiation through semi-independent molecular cascades known as the β-catenin-dependent (canonical) and -independent (non-canonical) Wnt signalling pathways. Genetic and epigenetic alteration of components of the canonical Wnt signalling pathway is one of the primary mechanisms underlying colon cancer. Despite increasing evidence of the role of the non-canonical pathways in tumourigenesis, however, the underlying molecular mechanisms are poorly understood. Results Here we report that the receptor tyrosine kinase-like orphan receptor 2 (ROR2), a transmembrane receptor for Wnt factors that activates non-canonical pathways, is frequently repressed by aberrant promoter hypermethylation in human colon cancer cell lines and primary tumours. By restoring ROR2 activity in colon cancer cells harbouring ROR2 promoter hypermethylation, we show that the role of ROR2 in colon cancer cells is mediated, at least in part, by canonical Wnt and that its epigenetic-dependent loss can be pro-tumourigenic. Conclusions Our data show the importance of epigenetic alterations of ROR2 in colon cancer, highlighting the close interconnection between canonical and non-canonical Wnt signalling pathways in this type of tumour. Colon Cancer Cell (dpeaa)DE-He213 Promoter Hypermethylation (dpeaa)DE-He213 DLD1 Cell (dpeaa)DE-He213 Aberrant Promoter Hypermethylation (dpeaa)DE-He213 DLD1 Colon Cancer Cell (dpeaa)DE-He213 Calvanese, Vincenzo aut Huidobro, Covadonga aut Fernández, Agustin F aut Moncada-Pazos, Ángela aut Obaya, Álvaro J aut Aguilera, Oscar aut González-Sancho, José Manuel aut Sánchez, Laura aut Astudillo, Aurora aut Muñoz, Alberto aut López-Otín, Carlos aut Esteller, Manel aut Fraga, Mario F aut Enthalten in Molecular cancer London : Biomed Central, 2002 9(2010), 1 vom: 30. Juni (DE-627)355987619 (DE-600)2091373-4 1476-4598 nnns volume:9 year:2010 number:1 day:30 month:06 https://dx.doi.org/10.1186/1476-4598-9-170 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2031 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2061 GBV_ILN_2111 GBV_ILN_2113 GBV_ILN_2190 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 9 2010 1 30 06 |
allfieldsGer |
10.1186/1476-4598-9-170 doi (DE-627)SPR028928288 (SPR)1476-4598-9-170-e DE-627 ger DE-627 rakwb eng Lara, Ester verfasserin aut Epigenetic repression of ROR2 has a Wnt-mediated, pro-tumourigenic role in colon cancer 2010 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Lara et al; licensee BioMed Central Ltd. 2010. This article is published under license to BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License ( Background Wnt factors control cell differentiation through semi-independent molecular cascades known as the β-catenin-dependent (canonical) and -independent (non-canonical) Wnt signalling pathways. Genetic and epigenetic alteration of components of the canonical Wnt signalling pathway is one of the primary mechanisms underlying colon cancer. Despite increasing evidence of the role of the non-canonical pathways in tumourigenesis, however, the underlying molecular mechanisms are poorly understood. Results Here we report that the receptor tyrosine kinase-like orphan receptor 2 (ROR2), a transmembrane receptor for Wnt factors that activates non-canonical pathways, is frequently repressed by aberrant promoter hypermethylation in human colon cancer cell lines and primary tumours. By restoring ROR2 activity in colon cancer cells harbouring ROR2 promoter hypermethylation, we show that the role of ROR2 in colon cancer cells is mediated, at least in part, by canonical Wnt and that its epigenetic-dependent loss can be pro-tumourigenic. Conclusions Our data show the importance of epigenetic alterations of ROR2 in colon cancer, highlighting the close interconnection between canonical and non-canonical Wnt signalling pathways in this type of tumour. Colon Cancer Cell (dpeaa)DE-He213 Promoter Hypermethylation (dpeaa)DE-He213 DLD1 Cell (dpeaa)DE-He213 Aberrant Promoter Hypermethylation (dpeaa)DE-He213 DLD1 Colon Cancer Cell (dpeaa)DE-He213 Calvanese, Vincenzo aut Huidobro, Covadonga aut Fernández, Agustin F aut Moncada-Pazos, Ángela aut Obaya, Álvaro J aut Aguilera, Oscar aut González-Sancho, José Manuel aut Sánchez, Laura aut Astudillo, Aurora aut Muñoz, Alberto aut López-Otín, Carlos aut Esteller, Manel aut Fraga, Mario F aut Enthalten in Molecular cancer London : Biomed Central, 2002 9(2010), 1 vom: 30. Juni (DE-627)355987619 (DE-600)2091373-4 1476-4598 nnns volume:9 year:2010 number:1 day:30 month:06 https://dx.doi.org/10.1186/1476-4598-9-170 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2031 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2061 GBV_ILN_2111 GBV_ILN_2113 GBV_ILN_2190 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 9 2010 1 30 06 |
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10.1186/1476-4598-9-170 doi (DE-627)SPR028928288 (SPR)1476-4598-9-170-e DE-627 ger DE-627 rakwb eng Lara, Ester verfasserin aut Epigenetic repression of ROR2 has a Wnt-mediated, pro-tumourigenic role in colon cancer 2010 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Lara et al; licensee BioMed Central Ltd. 2010. This article is published under license to BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License ( Background Wnt factors control cell differentiation through semi-independent molecular cascades known as the β-catenin-dependent (canonical) and -independent (non-canonical) Wnt signalling pathways. Genetic and epigenetic alteration of components of the canonical Wnt signalling pathway is one of the primary mechanisms underlying colon cancer. Despite increasing evidence of the role of the non-canonical pathways in tumourigenesis, however, the underlying molecular mechanisms are poorly understood. Results Here we report that the receptor tyrosine kinase-like orphan receptor 2 (ROR2), a transmembrane receptor for Wnt factors that activates non-canonical pathways, is frequently repressed by aberrant promoter hypermethylation in human colon cancer cell lines and primary tumours. By restoring ROR2 activity in colon cancer cells harbouring ROR2 promoter hypermethylation, we show that the role of ROR2 in colon cancer cells is mediated, at least in part, by canonical Wnt and that its epigenetic-dependent loss can be pro-tumourigenic. Conclusions Our data show the importance of epigenetic alterations of ROR2 in colon cancer, highlighting the close interconnection between canonical and non-canonical Wnt signalling pathways in this type of tumour. Colon Cancer Cell (dpeaa)DE-He213 Promoter Hypermethylation (dpeaa)DE-He213 DLD1 Cell (dpeaa)DE-He213 Aberrant Promoter Hypermethylation (dpeaa)DE-He213 DLD1 Colon Cancer Cell (dpeaa)DE-He213 Calvanese, Vincenzo aut Huidobro, Covadonga aut Fernández, Agustin F aut Moncada-Pazos, Ángela aut Obaya, Álvaro J aut Aguilera, Oscar aut González-Sancho, José Manuel aut Sánchez, Laura aut Astudillo, Aurora aut Muñoz, Alberto aut López-Otín, Carlos aut Esteller, Manel aut Fraga, Mario F aut Enthalten in Molecular cancer London : Biomed Central, 2002 9(2010), 1 vom: 30. Juni (DE-627)355987619 (DE-600)2091373-4 1476-4598 nnns volume:9 year:2010 number:1 day:30 month:06 https://dx.doi.org/10.1186/1476-4598-9-170 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2031 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2061 GBV_ILN_2111 GBV_ILN_2113 GBV_ILN_2190 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 9 2010 1 30 06 |
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Epigenetic repression of ROR2 has a Wnt-mediated, pro-tumourigenic role in colon cancer Colon Cancer Cell (dpeaa)DE-He213 Promoter Hypermethylation (dpeaa)DE-He213 DLD1 Cell (dpeaa)DE-He213 Aberrant Promoter Hypermethylation (dpeaa)DE-He213 DLD1 Colon Cancer Cell (dpeaa)DE-He213 |
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Lara, Ester Calvanese, Vincenzo Huidobro, Covadonga Fernández, Agustin F Moncada-Pazos, Ángela Obaya, Álvaro J Aguilera, Oscar González-Sancho, José Manuel Sánchez, Laura Astudillo, Aurora Muñoz, Alberto López-Otín, Carlos Esteller, Manel Fraga, Mario F |
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epigenetic repression of ror2 has a wnt-mediated, pro-tumourigenic role in colon cancer |
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Epigenetic repression of ROR2 has a Wnt-mediated, pro-tumourigenic role in colon cancer |
abstract |
Background Wnt factors control cell differentiation through semi-independent molecular cascades known as the β-catenin-dependent (canonical) and -independent (non-canonical) Wnt signalling pathways. Genetic and epigenetic alteration of components of the canonical Wnt signalling pathway is one of the primary mechanisms underlying colon cancer. Despite increasing evidence of the role of the non-canonical pathways in tumourigenesis, however, the underlying molecular mechanisms are poorly understood. Results Here we report that the receptor tyrosine kinase-like orphan receptor 2 (ROR2), a transmembrane receptor for Wnt factors that activates non-canonical pathways, is frequently repressed by aberrant promoter hypermethylation in human colon cancer cell lines and primary tumours. By restoring ROR2 activity in colon cancer cells harbouring ROR2 promoter hypermethylation, we show that the role of ROR2 in colon cancer cells is mediated, at least in part, by canonical Wnt and that its epigenetic-dependent loss can be pro-tumourigenic. Conclusions Our data show the importance of epigenetic alterations of ROR2 in colon cancer, highlighting the close interconnection between canonical and non-canonical Wnt signalling pathways in this type of tumour. © Lara et al; licensee BioMed Central Ltd. 2010. This article is published under license to BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License ( |
abstractGer |
Background Wnt factors control cell differentiation through semi-independent molecular cascades known as the β-catenin-dependent (canonical) and -independent (non-canonical) Wnt signalling pathways. Genetic and epigenetic alteration of components of the canonical Wnt signalling pathway is one of the primary mechanisms underlying colon cancer. Despite increasing evidence of the role of the non-canonical pathways in tumourigenesis, however, the underlying molecular mechanisms are poorly understood. Results Here we report that the receptor tyrosine kinase-like orphan receptor 2 (ROR2), a transmembrane receptor for Wnt factors that activates non-canonical pathways, is frequently repressed by aberrant promoter hypermethylation in human colon cancer cell lines and primary tumours. By restoring ROR2 activity in colon cancer cells harbouring ROR2 promoter hypermethylation, we show that the role of ROR2 in colon cancer cells is mediated, at least in part, by canonical Wnt and that its epigenetic-dependent loss can be pro-tumourigenic. Conclusions Our data show the importance of epigenetic alterations of ROR2 in colon cancer, highlighting the close interconnection between canonical and non-canonical Wnt signalling pathways in this type of tumour. © Lara et al; licensee BioMed Central Ltd. 2010. This article is published under license to BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License ( |
abstract_unstemmed |
Background Wnt factors control cell differentiation through semi-independent molecular cascades known as the β-catenin-dependent (canonical) and -independent (non-canonical) Wnt signalling pathways. Genetic and epigenetic alteration of components of the canonical Wnt signalling pathway is one of the primary mechanisms underlying colon cancer. Despite increasing evidence of the role of the non-canonical pathways in tumourigenesis, however, the underlying molecular mechanisms are poorly understood. Results Here we report that the receptor tyrosine kinase-like orphan receptor 2 (ROR2), a transmembrane receptor for Wnt factors that activates non-canonical pathways, is frequently repressed by aberrant promoter hypermethylation in human colon cancer cell lines and primary tumours. By restoring ROR2 activity in colon cancer cells harbouring ROR2 promoter hypermethylation, we show that the role of ROR2 in colon cancer cells is mediated, at least in part, by canonical Wnt and that its epigenetic-dependent loss can be pro-tumourigenic. Conclusions Our data show the importance of epigenetic alterations of ROR2 in colon cancer, highlighting the close interconnection between canonical and non-canonical Wnt signalling pathways in this type of tumour. © Lara et al; licensee BioMed Central Ltd. 2010. This article is published under license to BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License ( |
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