Epigenetic Profiling of Cutaneous T-Cell Lymphoma: Promoter Hypermethylation of Multiple Tumor Suppressor Genes Including BCL7a, PTPRG, and p73
To analyze the occurrence of promoter hypermethylation in primary cutaneous T-cell lymphoma (CTCL) on a genome-wide scale, focusing on epigenetic alterations with pathogenetic significance. DNA isolated from biopsy specimens of 28 patients with CTCL, including aggressive CTCL entities (transformed m...
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| Veröffentlicht in: | Journal of clinical oncology 2005-06, Vol.23 (17), p.3886-3896 |
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| creator | VAN DOOM, Remco ZOUTMAN, Willem H HUANG, Tim H TENSEN, Cornelis P DIJKMAN, Remco DE MENEZES, Renee X COMMANDEUR, Suzan MULDER, Aat A VAN DER VELDEN, Pieter A VERMEER, Maarten H WILLEMZE, Rein YAN, Pearily S |
| description | To analyze the occurrence of promoter hypermethylation in primary cutaneous T-cell lymphoma (CTCL) on a genome-wide scale, focusing on epigenetic alterations with pathogenetic significance.
DNA isolated from biopsy specimens of 28 patients with CTCL, including aggressive CTCL entities (transformed mycosis fungoides and CD30-negative large T-cell lymphoma) and an indolent entity (CD30-positive large T-cell lymphoma), were investigated. For genome-wide DNA methylation screening, differential methylation hybridization using CpG island microarrays was applied, which allows simultaneous detection of the methylation status of 8640 CpG islands. Bisulfite sequence analysis was applied for confirmation and detection of hypermethylation of eight selected tumor suppressor genes.
The DNA methylation patterns of CTCLs emerging from differential methylation hybridization analysis included 35 CpG islands hypermethylated in at least four of the 28 studied CTCL samples when compared with benign T-cell samples. Hypermethylation of the putative tumor suppressor genes BCL7a (in 48% of CTCL samples), PTPRG (27%), and thrombospondin 4 (52%) was confirmed and demonstrated to be associated with transcriptional downregulation. BCL7a was hypermethylated at a higher frequency in aggressive (64%) than in indolent (14%) CTCL entities. In addition, the promoters of the selected tumor suppressor genes p73 (48%), p16 (33%), CHFR (19%), p15 (10%), and TMS1 (10%) were hypermethylated in CTCL.
Malignant T cells of patients with CTCL display widespread promoter hypermethylation associated with inactivation of several tumor suppressor genes involved in DNA repair, cell cycle, and apoptosis signaling pathways. In view of this, CTCL may be amenable to treatment with demethylating agents. |
| doi_str_mv | 10.1200/JCO.2005.11.353 |
| format | Article |
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DNA isolated from biopsy specimens of 28 patients with CTCL, including aggressive CTCL entities (transformed mycosis fungoides and CD30-negative large T-cell lymphoma) and an indolent entity (CD30-positive large T-cell lymphoma), were investigated. For genome-wide DNA methylation screening, differential methylation hybridization using CpG island microarrays was applied, which allows simultaneous detection of the methylation status of 8640 CpG islands. Bisulfite sequence analysis was applied for confirmation and detection of hypermethylation of eight selected tumor suppressor genes.
The DNA methylation patterns of CTCLs emerging from differential methylation hybridization analysis included 35 CpG islands hypermethylated in at least four of the 28 studied CTCL samples when compared with benign T-cell samples. Hypermethylation of the putative tumor suppressor genes BCL7a (in 48% of CTCL samples), PTPRG (27%), and thrombospondin 4 (52%) was confirmed and demonstrated to be associated with transcriptional downregulation. BCL7a was hypermethylated at a higher frequency in aggressive (64%) than in indolent (14%) CTCL entities. In addition, the promoters of the selected tumor suppressor genes p73 (48%), p16 (33%), CHFR (19%), p15 (10%), and TMS1 (10%) were hypermethylated in CTCL.
Malignant T cells of patients with CTCL display widespread promoter hypermethylation associated with inactivation of several tumor suppressor genes involved in DNA repair, cell cycle, and apoptosis signaling pathways. In view of this, CTCL may be amenable to treatment with demethylating agents.</description><identifier>ISSN: 0732-183X</identifier><identifier>EISSN: 1527-7755</identifier><identifier>DOI: 10.1200/JCO.2005.11.353</identifier><identifier>PMID: 15897551</identifier><language>eng</language><publisher>Baltimore, MD: American Society of Clinical Oncology</publisher><subject>Adult ; Aged ; Aged, 80 and over ; Base Sequence ; Biological and medical sciences ; CpG Islands ; DNA Methylation ; DNA, Neoplasm - genetics ; DNA-Binding Proteins - genetics ; Epigenesis, Genetic ; Female ; Gene Expression Profiling ; Gene Expression Regulation, Neoplastic ; Gene Silencing ; Genes, Tumor Suppressor - physiology ; Genome, Human ; Hematologic and hematopoietic diseases ; Humans ; Ki-1 Antigen - metabolism ; Leukemias. Malignant lymphomas. Malignant reticulosis. Myelofibrosis ; Lymphoma, T-Cell, Cutaneous - genetics ; Male ; Medical sciences ; Microarray Analysis ; Microfilament Proteins - genetics ; Middle Aged ; Molecular Sequence Data ; Nerve Tissue Proteins - genetics ; Nuclear Proteins - genetics ; Oncogene Proteins - genetics ; Promoter Regions, Genetic ; Protein Tyrosine Phosphatases - genetics ; Receptor-Like Protein Tyrosine Phosphatases, Class 5 ; Skin Neoplasms - genetics ; Thrombospondins - genetics ; Tumor Protein p73 ; Tumor Suppressor Proteins ; Tumors</subject><ispartof>Journal of clinical oncology, 2005-06, Vol.23 (17), p.3886-3896</ispartof><rights>2005 INIST-CNRS</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c444t-18f58ac5af7dbce1a8ae34b35f64171779c586b28d5049f8719dd881063dbf653</citedby><cites>FETCH-LOGICAL-c444t-18f58ac5af7dbce1a8ae34b35f64171779c586b28d5049f8719dd881063dbf653</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,3729,27924,27925</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=16889974$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/15897551$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>VAN DOOM, Remco</creatorcontrib><creatorcontrib>ZOUTMAN, Willem H</creatorcontrib><creatorcontrib>HUANG, Tim H</creatorcontrib><creatorcontrib>TENSEN, Cornelis P</creatorcontrib><creatorcontrib>DIJKMAN, Remco</creatorcontrib><creatorcontrib>DE MENEZES, Renee X</creatorcontrib><creatorcontrib>COMMANDEUR, Suzan</creatorcontrib><creatorcontrib>MULDER, Aat A</creatorcontrib><creatorcontrib>VAN DER VELDEN, Pieter A</creatorcontrib><creatorcontrib>VERMEER, Maarten H</creatorcontrib><creatorcontrib>WILLEMZE, Rein</creatorcontrib><creatorcontrib>YAN, Pearily S</creatorcontrib><title>Epigenetic Profiling of Cutaneous T-Cell Lymphoma: Promoter Hypermethylation of Multiple Tumor Suppressor Genes Including BCL7a, PTPRG, and p73</title><title>Journal of clinical oncology</title><addtitle>J Clin Oncol</addtitle><description>To analyze the occurrence of promoter hypermethylation in primary cutaneous T-cell lymphoma (CTCL) on a genome-wide scale, focusing on epigenetic alterations with pathogenetic significance.
DNA isolated from biopsy specimens of 28 patients with CTCL, including aggressive CTCL entities (transformed mycosis fungoides and CD30-negative large T-cell lymphoma) and an indolent entity (CD30-positive large T-cell lymphoma), were investigated. For genome-wide DNA methylation screening, differential methylation hybridization using CpG island microarrays was applied, which allows simultaneous detection of the methylation status of 8640 CpG islands. Bisulfite sequence analysis was applied for confirmation and detection of hypermethylation of eight selected tumor suppressor genes.
The DNA methylation patterns of CTCLs emerging from differential methylation hybridization analysis included 35 CpG islands hypermethylated in at least four of the 28 studied CTCL samples when compared with benign T-cell samples. Hypermethylation of the putative tumor suppressor genes BCL7a (in 48% of CTCL samples), PTPRG (27%), and thrombospondin 4 (52%) was confirmed and demonstrated to be associated with transcriptional downregulation. BCL7a was hypermethylated at a higher frequency in aggressive (64%) than in indolent (14%) CTCL entities. In addition, the promoters of the selected tumor suppressor genes p73 (48%), p16 (33%), CHFR (19%), p15 (10%), and TMS1 (10%) were hypermethylated in CTCL.
Malignant T cells of patients with CTCL display widespread promoter hypermethylation associated with inactivation of several tumor suppressor genes involved in DNA repair, cell cycle, and apoptosis signaling pathways. In view of this, CTCL may be amenable to treatment with demethylating agents.</description><subject>Adult</subject><subject>Aged</subject><subject>Aged, 80 and over</subject><subject>Base Sequence</subject><subject>Biological and medical sciences</subject><subject>CpG Islands</subject><subject>DNA Methylation</subject><subject>DNA, Neoplasm - genetics</subject><subject>DNA-Binding Proteins - genetics</subject><subject>Epigenesis, Genetic</subject><subject>Female</subject><subject>Gene Expression Profiling</subject><subject>Gene Expression Regulation, Neoplastic</subject><subject>Gene Silencing</subject><subject>Genes, Tumor Suppressor - physiology</subject><subject>Genome, Human</subject><subject>Hematologic and hematopoietic diseases</subject><subject>Humans</subject><subject>Ki-1 Antigen - metabolism</subject><subject>Leukemias. Malignant lymphomas. Malignant reticulosis. Myelofibrosis</subject><subject>Lymphoma, T-Cell, Cutaneous - genetics</subject><subject>Male</subject><subject>Medical sciences</subject><subject>Microarray Analysis</subject><subject>Microfilament Proteins - genetics</subject><subject>Middle Aged</subject><subject>Molecular Sequence Data</subject><subject>Nerve Tissue Proteins - genetics</subject><subject>Nuclear Proteins - genetics</subject><subject>Oncogene Proteins - genetics</subject><subject>Promoter Regions, Genetic</subject><subject>Protein Tyrosine Phosphatases - genetics</subject><subject>Receptor-Like Protein Tyrosine Phosphatases, Class 5</subject><subject>Skin Neoplasms - genetics</subject><subject>Thrombospondins - genetics</subject><subject>Tumor Protein p73</subject><subject>Tumor Suppressor Proteins</subject><subject>Tumors</subject><issn>0732-183X</issn><issn>1527-7755</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2005</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNpFkUGP0zAQhS0EYkvhzA35Alw23Uwcxw43iJbuoqKtoEjcLNexW6-cONiJUH8FfxlHrbSnmcM3b_TeQ-gt5Cso8vzmW_OwSpOuAFaEkmdoAbRgGWOUPkeLnJEiA05-X6FXMT7mOZSc0JfoCiivEwIL9O92sAfd69EqvA3eWGf7A_YGN9Moe-2niHdZo53Dm1M3HH0nP81c50cd8N1p0KHT4_Hk5Gh9P999n9xoB6fxbup8wD-nYQg6xrSu05uI73vlpnZ-8qXZMHmNt7vtj_U1ln2LB0ZeoxdGuqjfXOYS_fp6u2vuss3D-r75vMlUWZZjMmUol4pKw9q90iC51KTcE2qqEhgwVivKq33BW5qXteEM6rblHPKKtHtTUbJEH866Q_B_Jh1H0dmoks-zaVGxuiCQsluimzOogo8xaCOGYDsZTgJyMXcgUgdi7kAAiNRBunh3kZ72nW6f-EvoCXh_AWRU0pkge2XjE1dxXtesTNzHM3e0h-NfG7SInXQuyRbiUfmCCGCCcF6R_wodnKQ</recordid><startdate>20050610</startdate><enddate>20050610</enddate><creator>VAN DOOM, Remco</creator><creator>ZOUTMAN, Willem H</creator><creator>HUANG, Tim H</creator><creator>TENSEN, Cornelis P</creator><creator>DIJKMAN, Remco</creator><creator>DE MENEZES, Renee X</creator><creator>COMMANDEUR, Suzan</creator><creator>MULDER, Aat A</creator><creator>VAN DER VELDEN, Pieter A</creator><creator>VERMEER, Maarten H</creator><creator>WILLEMZE, Rein</creator><creator>YAN, Pearily S</creator><general>American Society of Clinical Oncology</general><general>Lippincott Williams & Wilkins</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>7X8</scope></search><sort><creationdate>20050610</creationdate><title>Epigenetic Profiling of Cutaneous T-Cell Lymphoma: Promoter Hypermethylation of Multiple Tumor Suppressor Genes Including BCL7a, PTPRG, and p73</title><author>VAN DOOM, Remco ; ZOUTMAN, Willem H ; HUANG, Tim H ; TENSEN, Cornelis P ; DIJKMAN, Remco ; DE MENEZES, Renee X ; COMMANDEUR, Suzan ; MULDER, Aat A ; VAN DER VELDEN, Pieter A ; VERMEER, Maarten H ; WILLEMZE, Rein ; YAN, Pearily S</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c444t-18f58ac5af7dbce1a8ae34b35f64171779c586b28d5049f8719dd881063dbf653</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2005</creationdate><topic>Adult</topic><topic>Aged</topic><topic>Aged, 80 and over</topic><topic>Base Sequence</topic><topic>Biological and medical sciences</topic><topic>CpG Islands</topic><topic>DNA Methylation</topic><topic>DNA, Neoplasm - genetics</topic><topic>DNA-Binding Proteins - genetics</topic><topic>Epigenesis, Genetic</topic><topic>Female</topic><topic>Gene Expression Profiling</topic><topic>Gene Expression Regulation, Neoplastic</topic><topic>Gene Silencing</topic><topic>Genes, Tumor Suppressor - physiology</topic><topic>Genome, Human</topic><topic>Hematologic and hematopoietic diseases</topic><topic>Humans</topic><topic>Ki-1 Antigen - metabolism</topic><topic>Leukemias. Malignant lymphomas. Malignant reticulosis. Myelofibrosis</topic><topic>Lymphoma, T-Cell, Cutaneous - genetics</topic><topic>Male</topic><topic>Medical sciences</topic><topic>Microarray Analysis</topic><topic>Microfilament Proteins - genetics</topic><topic>Middle Aged</topic><topic>Molecular Sequence Data</topic><topic>Nerve Tissue Proteins - genetics</topic><topic>Nuclear Proteins - genetics</topic><topic>Oncogene Proteins - genetics</topic><topic>Promoter Regions, Genetic</topic><topic>Protein Tyrosine Phosphatases - genetics</topic><topic>Receptor-Like Protein Tyrosine Phosphatases, Class 5</topic><topic>Skin Neoplasms - genetics</topic><topic>Thrombospondins - genetics</topic><topic>Tumor Protein p73</topic><topic>Tumor Suppressor Proteins</topic><topic>Tumors</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>VAN DOOM, Remco</creatorcontrib><creatorcontrib>ZOUTMAN, Willem H</creatorcontrib><creatorcontrib>HUANG, Tim H</creatorcontrib><creatorcontrib>TENSEN, Cornelis P</creatorcontrib><creatorcontrib>DIJKMAN, Remco</creatorcontrib><creatorcontrib>DE MENEZES, Renee X</creatorcontrib><creatorcontrib>COMMANDEUR, Suzan</creatorcontrib><creatorcontrib>MULDER, Aat A</creatorcontrib><creatorcontrib>VAN DER VELDEN, Pieter A</creatorcontrib><creatorcontrib>VERMEER, Maarten H</creatorcontrib><creatorcontrib>WILLEMZE, Rein</creatorcontrib><creatorcontrib>YAN, Pearily S</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>MEDLINE - Academic</collection><jtitle>Journal of clinical oncology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>VAN DOOM, Remco</au><au>ZOUTMAN, Willem H</au><au>HUANG, Tim H</au><au>TENSEN, Cornelis P</au><au>DIJKMAN, Remco</au><au>DE MENEZES, Renee X</au><au>COMMANDEUR, Suzan</au><au>MULDER, Aat A</au><au>VAN DER VELDEN, Pieter A</au><au>VERMEER, Maarten H</au><au>WILLEMZE, Rein</au><au>YAN, Pearily S</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Epigenetic Profiling of Cutaneous T-Cell Lymphoma: Promoter Hypermethylation of Multiple Tumor Suppressor Genes Including BCL7a, PTPRG, and p73</atitle><jtitle>Journal of clinical oncology</jtitle><addtitle>J Clin Oncol</addtitle><date>2005-06-10</date><risdate>2005</risdate><volume>23</volume><issue>17</issue><spage>3886</spage><epage>3896</epage><pages>3886-3896</pages><issn>0732-183X</issn><eissn>1527-7755</eissn><abstract>To analyze the occurrence of promoter hypermethylation in primary cutaneous T-cell lymphoma (CTCL) on a genome-wide scale, focusing on epigenetic alterations with pathogenetic significance.
DNA isolated from biopsy specimens of 28 patients with CTCL, including aggressive CTCL entities (transformed mycosis fungoides and CD30-negative large T-cell lymphoma) and an indolent entity (CD30-positive large T-cell lymphoma), were investigated. For genome-wide DNA methylation screening, differential methylation hybridization using CpG island microarrays was applied, which allows simultaneous detection of the methylation status of 8640 CpG islands. Bisulfite sequence analysis was applied for confirmation and detection of hypermethylation of eight selected tumor suppressor genes.
The DNA methylation patterns of CTCLs emerging from differential methylation hybridization analysis included 35 CpG islands hypermethylated in at least four of the 28 studied CTCL samples when compared with benign T-cell samples. Hypermethylation of the putative tumor suppressor genes BCL7a (in 48% of CTCL samples), PTPRG (27%), and thrombospondin 4 (52%) was confirmed and demonstrated to be associated with transcriptional downregulation. BCL7a was hypermethylated at a higher frequency in aggressive (64%) than in indolent (14%) CTCL entities. In addition, the promoters of the selected tumor suppressor genes p73 (48%), p16 (33%), CHFR (19%), p15 (10%), and TMS1 (10%) were hypermethylated in CTCL.
Malignant T cells of patients with CTCL display widespread promoter hypermethylation associated with inactivation of several tumor suppressor genes involved in DNA repair, cell cycle, and apoptosis signaling pathways. In view of this, CTCL may be amenable to treatment with demethylating agents.</abstract><cop>Baltimore, MD</cop><pub>American Society of Clinical Oncology</pub><pmid>15897551</pmid><doi>10.1200/JCO.2005.11.353</doi><tpages>11</tpages><oa>free_for_read</oa></addata></record> |
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| ispartof | Journal of clinical oncology, 2005-06, Vol.23 (17), p.3886-3896 |
| issn | 0732-183X 1527-7755 |
| language | eng |
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| subjects | Adult Aged Aged, 80 and over Base Sequence Biological and medical sciences CpG Islands DNA Methylation DNA, Neoplasm - genetics DNA-Binding Proteins - genetics Epigenesis, Genetic Female Gene Expression Profiling Gene Expression Regulation, Neoplastic Gene Silencing Genes, Tumor Suppressor - physiology Genome, Human Hematologic and hematopoietic diseases Humans Ki-1 Antigen - metabolism Leukemias. Malignant lymphomas. Malignant reticulosis. Myelofibrosis Lymphoma, T-Cell, Cutaneous - genetics Male Medical sciences Microarray Analysis Microfilament Proteins - genetics Middle Aged Molecular Sequence Data Nerve Tissue Proteins - genetics Nuclear Proteins - genetics Oncogene Proteins - genetics Promoter Regions, Genetic Protein Tyrosine Phosphatases - genetics Receptor-Like Protein Tyrosine Phosphatases, Class 5 Skin Neoplasms - genetics Thrombospondins - genetics Tumor Protein p73 Tumor Suppressor Proteins Tumors |
| title | Epigenetic Profiling of Cutaneous T-Cell Lymphoma: Promoter Hypermethylation of Multiple Tumor Suppressor Genes Including BCL7a, PTPRG, and p73 |
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