Compendium of Cancer Genome Aberrations

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HAEM5:Chronic lymphocytic leukaemia/small lymphocytic lymphoma (view source)

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{{DISPLAYTITLE:Chronic lymphocytic leukaemia/small lymphocytic lymphoma}}
 
{{DISPLAYTITLE:Chronic lymphocytic leukaemia/small lymphocytic lymphoma}}
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[[HAEM5:Table_of_Contents|Haematolymphoid Tumours (5th ed.)]]
 
[[HAEM5:Table_of_Contents|Haematolymphoid Tumours (5th ed.)]]
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Renee Eigsti, MD, Pathology Services of Kalamazoo
 
Renee Eigsti, MD, Pathology Services of Kalamazoo
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Honey Reddi, PhD
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Honey Reddi, PhD, Belay Diagnostics
    
__TOC__
 
__TOC__
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|Deletion of TP53. Patients with 17p deletion show resistance to genotoxic chemotherapies. TP53 deletion is associated with a poor prognosis<ref name=":5" />.
 
|Deletion of TP53. Patients with 17p deletion show resistance to genotoxic chemotherapies. TP53 deletion is associated with a poor prognosis<ref name=":5" />.
 
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==Characteristic Chromosomal Patterns==
 
==Characteristic Chromosomal Patterns==
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Note: A more extensive list of mutations can be found in cBioportal (https://www.cbioportal.org/), COSMIC (https://cancer.sanger.ac.uk/cosmic), ICGC (https://dcc.icgc.org/) and/or other databases. When applicable, gene-specific pages within the CCGA site directly link to pertinent external content.
 
Note: A more extensive list of mutations can be found in cBioportal (https://www.cbioportal.org/), COSMIC (https://cancer.sanger.ac.uk/cosmic), ICGC (https://dcc.icgc.org/) and/or other databases. When applicable, gene-specific pages within the CCGA site directly link to pertinent external content.
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==Epigenomic Alterations==
 
==Epigenomic Alterations==
 
Whole genome methylation studies have identified three epigenetic subgroups of CLL<ref name=":10">{{Cite journal|last=Queirós|first=A. C.|last2=Villamor|first2=N.|last3=Clot|first3=G.|last4=Martinez-Trillos|first4=A.|last5=Kulis|first5=M.|last6=Navarro|first6=A.|last7=Penas|first7=E. M. M.|last8=Jayne|first8=S.|last9=Majid|first9=A.|date=2015-03|title=A B-cell epigenetic signature defines three biologic subgroups of chronic lymphocytic leukemia with clinical impact|url=https://pubmed.ncbi.nlm.nih.gov/25151957|journal=Leukemia|volume=29|issue=3|pages=598–605|doi=10.1038/leu.2014.252|issn=1476-5551|pmid=25151957}}</ref> [PMID: 25151957]. These subgroups are related to different stages of B-cell maturation and include naïve B-cell like, intermediate, and memory B-cell like CLL. Naïve B-cell like epigenetic subgroup mainly has unmutated IGHV, whereas the memory B-like subgroup mainly have mutated IGHV genes. The intermediate epigenetic subgroup was also found to have mainly mutated IGHV, however, is associated with a worse prognosis than the memory B-like subgroup. The epigenetic classification was found to be an independent prognostic factor for time to first treatment<ref name=":10" /><ref>{{Cite journal|last=Oakes|first=Christopher C.|last2=Seifert|first2=Marc|last3=Assenov|first3=Yassen|last4=Gu|first4=Lei|last5=Przekopowitz|first5=Martina|last6=Ruppert|first6=Amy S.|last7=Wang|first7=Qi|last8=Imbusch|first8=Charles D.|last9=Serva|first9=Andrius|date=2016-03|title=DNA methylation dynamics during B cell maturation underlie a continuum of disease phenotypes in chronic lymphocytic leukemia|url=https://pubmed.ncbi.nlm.nih.gov/26780610|journal=Nature Genetics|volume=48|issue=3|pages=253–264|doi=10.1038/ng.3488|issn=1546-1718|pmc=4963005|pmid=26780610}}</ref>.
 
Whole genome methylation studies have identified three epigenetic subgroups of CLL<ref name=":10">{{Cite journal|last=Queirós|first=A. C.|last2=Villamor|first2=N.|last3=Clot|first3=G.|last4=Martinez-Trillos|first4=A.|last5=Kulis|first5=M.|last6=Navarro|first6=A.|last7=Penas|first7=E. M. M.|last8=Jayne|first8=S.|last9=Majid|first9=A.|date=2015-03|title=A B-cell epigenetic signature defines three biologic subgroups of chronic lymphocytic leukemia with clinical impact|url=https://pubmed.ncbi.nlm.nih.gov/25151957|journal=Leukemia|volume=29|issue=3|pages=598–605|doi=10.1038/leu.2014.252|issn=1476-5551|pmid=25151957}}</ref> [PMID: 25151957]. These subgroups are related to different stages of B-cell maturation and include naïve B-cell like, intermediate, and memory B-cell like CLL. Naïve B-cell like epigenetic subgroup mainly has unmutated IGHV, whereas the memory B-like subgroup mainly have mutated IGHV genes. The intermediate epigenetic subgroup was also found to have mainly mutated IGHV, however, is associated with a worse prognosis than the memory B-like subgroup. The epigenetic classification was found to be an independent prognostic factor for time to first treatment<ref name=":10" /><ref>{{Cite journal|last=Oakes|first=Christopher C.|last2=Seifert|first2=Marc|last3=Assenov|first3=Yassen|last4=Gu|first4=Lei|last5=Przekopowitz|first5=Martina|last6=Ruppert|first6=Amy S.|last7=Wang|first7=Qi|last8=Imbusch|first8=Charles D.|last9=Serva|first9=Andrius|date=2016-03|title=DNA methylation dynamics during B cell maturation underlie a continuum of disease phenotypes in chronic lymphocytic leukemia|url=https://pubmed.ncbi.nlm.nih.gov/26780610|journal=Nature Genetics|volume=48|issue=3|pages=253–264|doi=10.1038/ng.3488|issn=1546-1718|pmc=4963005|pmid=26780610}}</ref>.
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==References==
 
==References==
 
<references />
 
<references />
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==Notes==
 
==Notes==
 
<nowiki>*</nowiki>Primary authors will typically be those that initially create and complete the content of a page.  If a subsequent user modifies the content and feels the effort put forth is of high enough significance to warrant listing in the authorship section, please contact the CCGA coordinators (contact information provided on the homepage).  Additional global feedback or concerns are also welcome.
 
<nowiki>*</nowiki>Primary authors will typically be those that initially create and complete the content of a page.  If a subsequent user modifies the content and feels the effort put forth is of high enough significance to warrant listing in the authorship section, please contact the CCGA coordinators (contact information provided on the homepage).  Additional global feedback or concerns are also welcome.
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<nowiki>*</nowiki>''Citation of this Page'': “Chronic lymphocytic leukaemia/small lymphocytic lymphoma”. Compendium of Cancer Genome Aberrations (CCGA), Cancer Genomics Consortium (CGC), updated {{REVISIONMONTH}}/{{REVISIONDAY}}/{{REVISIONYEAR}}, <nowiki>https://ccga.io/index.php/HAEM5:Chronic_lymphocytic_leukaemia/small_lymphocytic_lymphoma</nowiki>.
 
<nowiki>*</nowiki>''Citation of this Page'': “Chronic lymphocytic leukaemia/small lymphocytic lymphoma”. Compendium of Cancer Genome Aberrations (CCGA), Cancer Genomics Consortium (CGC), updated {{REVISIONMONTH}}/{{REVISIONDAY}}/{{REVISIONYEAR}}, <nowiki>https://ccga.io/index.php/HAEM5:Chronic_lymphocytic_leukaemia/small_lymphocytic_lymphoma</nowiki>.
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[[Category:HAEM5]][[Category:DISEASE]][[Category:Diseases C]]
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[[Category:HAEM5]]
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[[Category:DISEASE]]
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[[Category:Diseases C]]
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