Compendium of Cancer Genome Aberrations

HAEM5:Acute myeloid leukaemia with NUP98 rearrangement: Difference between revisions

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{{Under Construction}}
{{Under Construction}}
<span style="color:#0070C0">(General Instructions – The focus of these pages is the clinically significant genetic alterations in each disease type. This is based on up-to-date knowledge from multiple resources such as PubMed and the WHO classification books. The CCGA is meant to be a supplemental resource to the WHO classification books; the CCGA captures in a continually updated wiki-stye manner the current genetics/genomics knowledge of each disease, which evolves more rapidly than books can be revised and published. If the same disease is described in multiple WHO classification books, the genetics-related information for that disease will be consolidated into a single main page that has this template (other pages would only contain a link to this main page). Use [https://www.genenames.org/ <u>HUGO-approved gene names and symbols</u>] (italicized when appropriate), [https://varnomen.hgvs.org/ <u>HGVS-based nomenclature for variants</u>], as well as generic names of drugs and testing platforms or assays if applicable. Please complete tables whenever possible and do not delete them (add N/A if not applicable in the table and delete the examples); to add (or move) a row or column in a table, click nearby within the table and select the > symbol that appears. Please do not delete or alter the section headings. The use of bullet points alongside short blocks of text rather than only large paragraphs is encouraged. Additional instructions below in italicized blue text should not be included in the final page content. Please also see </span><u>[[Author_Instructions]]</u><span style="color:#0070C0"> and [[Frequently Asked Questions (FAQs)|<u>FAQs</u>]] as well as contact your [[Leadership|<u>Associate Editor</u>]] or [mailto:CCGA@cancergenomics.org <u>Technical Support</u>].)</span>


==Primary Author(s)*==
==Primary Author(s)*==


Eric McGinnis, MD
Eric McGinnis, MD, Vancouver General Hospital


Fatma Albulushi, MD
Fatma Albulushi, MD, University Medical City
==WHO Classification of Disease==
==WHO Classification of Disease==


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==Gene Rearrangements==
==Gene Rearrangements==
Acute myeloid leukemia (AML) with ''NUP98'' rearrangement is characterized by chromosomal translocations involving ''NUP98'' (nucleoporin 98 and 96 precursor) on chromosome 11p15.4 and various partner genes - more than 40 of such have been reported to date.<ref name=":5">Patkar N, Meshinchi S, Westerman D, et al. Acute myeloid leukaemia with NUP98 rearrangement. In: WHO Classification of Tumours Editorial Board. Haematolymphoid tumours. Lyon (France): International Agency for Research on Cancer; 2024. . (WHO classification of tumours series, 5th ed.; vol. 11). <nowiki>https://publications.iarc.who.int/637</nowiki>.</ref> The ''NUP98'' gene encodes protein component of the nuclear pore complex which facilitates nucleocytoplasmic transport of RNA and has roles in transcriptional and cell cycle regulation.<ref name=":2">{{Cite journal|last=Gough|first=Sheryl M.|last2=Slape|first2=Christopher I.|last3=Aplan|first3=Peter D.|date=2011-12-08|title=NUP98 gene fusions and hematopoietic malignancies: common themes and new biologic insights|url=https://pubmed.ncbi.nlm.nih.gov/21948299|journal=Blood|volume=118|issue=24|pages=6247–6257|doi=10.1182/blood-2011-07-328880|issn=1528-0020|pmc=3236115|pmid=21948299}}</ref><ref name=":4">{{Cite journal|last=Michmerhuizen|first=Nicole L.|last2=Klco|first2=Jeffery M.|last3=Mullighan|first3=Charles G.|date=2020-11-12|title=Mechanistic insights and potential therapeutic approaches for NUP98-rearranged hematologic malignancies|url=https://pubmed.ncbi.nlm.nih.gov/32766874|journal=Blood|volume=136|issue=20|pages=2275–2289|doi=10.1182/blood.2020007093|issn=1528-0020|pmc=7702474|pmid=32766874}}</ref> NUP98 fusion proteins typically involve the N-terminal portion of NUP98 and the C-terminal portion of the fusion partner.<ref name=":3">{{Cite journal|last=Gough|first=Sheryl M.|last2=Slape|first2=Christopher I.|last3=Aplan|first3=Peter D.|date=2011-12-08|title=NUP98 gene fusions and hematopoietic malignancies: common themes and new biologic insights|url=https://pubmed.ncbi.nlm.nih.gov/21948299|journal=Blood|volume=118|issue=24|pages=6247–6257|doi=10.1182/blood-2011-07-328880|issn=1528-0020|pmc=3236115|pmid=21948299}}</ref> Fusion partners commonly include transcription factors (such as ''HOX'' elements, most often ''HOXA9'') or epigenetic regulators (most commonly involving ''NSD1'' or ''KDM5A''), however a range of partners belonging to neither of these categories has been identified, many of which contain coiled-coil domains thought to facilitate oligomerization.<ref name=":0">{{Cite journal|last=Mohanty|first=Sagarajit|date=2023-09|title=NUP98 Rearrangements in AML: Molecular Mechanisms and Clinical Implications|url=https://www.mdpi.com/2673-7523/3/3/11|journal=Onco|language=en|volume=3|issue=3|pages=147–164|doi=10.3390/onco3030011|issn=2673-7523}}</ref><ref name=":3" />
Acute myeloid leukemia (AML) with ''NUP98'' rearrangement is characterized by chromosomal translocations involving ''NUP98'' (nucleoporin 98 and 96 precursor) on chromosome 11p15.4 and various partner genes - more than 40 of such have been reported to date.<ref name=":5">Patkar N, Meshinchi S, Westerman D, et al. Acute myeloid leukaemia with NUP98 rearrangement. In: WHO Classification of Tumours Editorial Board. Haematolymphoid tumours. Lyon (France): International Agency for Research on Cancer; 2024. . (WHO classification of tumours series, 5th ed.; vol. 11). <nowiki>https://publications.iarc.who.int/637</nowiki>.</ref> The ''NUP98'' gene encodes protein component of the nuclear pore complex which facilitates nucleocytoplasmic transport of RNA and has roles in transcriptional and cell cycle regulation.<ref name=":2">{{Cite journal|last=Gough|first=Sheryl M.|last2=Slape|first2=Christopher I.|last3=Aplan|first3=Peter D.|date=2011-12-08|title=NUP98 gene fusions and hematopoietic malignancies: common themes and new biologic insights|url=https://pubmed.ncbi.nlm.nih.gov/21948299|journal=Blood|volume=118|issue=24|pages=6247–6257|doi=10.1182/blood-2011-07-328880|issn=1528-0020|pmc=3236115|pmid=21948299}}</ref><ref name=":4">{{Cite journal|last=Michmerhuizen|first=Nicole L.|last2=Klco|first2=Jeffery M.|last3=Mullighan|first3=Charles G.|date=2020-11-12|title=Mechanistic insights and potential therapeutic approaches for NUP98-rearranged hematologic malignancies|url=https://pubmed.ncbi.nlm.nih.gov/32766874|journal=Blood|volume=136|issue=20|pages=2275–2289|doi=10.1182/blood.2020007093|issn=1528-0020|pmc=7702474|pmid=32766874}}</ref> NUP98 fusion proteins typically involve the N-terminal portion of NUP98 and the C-terminal portion of the fusion partner.<ref name=":2" /> Fusion partners commonly include transcription factors (such as ''HOX'' elements, most often ''HOXA9'') or epigenetic regulators (most commonly involving ''NSD1'' or ''KDM5A''), however a range of partners belonging to neither of these categories has been identified, many of which contain coiled-coil domains thought to facilitate oligomerization.<ref name=":0">{{Cite journal|last=Mohanty|first=Sagarajit|date=2023-09|title=NUP98 Rearrangements in AML: Molecular Mechanisms and Clinical Implications|url=https://www.mdpi.com/2673-7523/3/3/11|journal=Onco|language=en|volume=3|issue=3|pages=147–164|doi=10.3390/onco3030011|issn=2673-7523}}</ref>
{| class="wikitable"
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|'''Driver Gene'''
|'''Driver Gene'''
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==Characteristic Chromosomal or Other Global Mutational Patterns==
==Characteristic Chromosomal or Other Global Mutational Patterns==
Put your text here and fill in the table <span style="color:#0070C0">(I''nstructions: Included in this category are alterations such as hyperdiploid; gain of odd number chromosomes including typically chromosome 1, 3, 5, 7, 11, and 17; co-deletion of 1p and 19q; complex karyotypes without characteristic genetic findings; chromothripsis; microsatellite instability; homologous recombination deficiency; mutational signature pattern; etc. Details on clinical significance such as prognosis and other important information can be provided in the notes section. Please include references throughout the table. Do not delete the table.'')</span>
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!Clinical Relevance Details/Other Notes
!Clinical Relevance Details/Other Notes
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|<span class="blue-text">EXAMPLE:</span>
|N/A
Co-deletion of 1p and 18q
|<span class="blue-text">EXAMPLE:</span> See chromosomal rearrangements table as this pattern is due to an unbalanced derivative translocation associated with oligodendroglioma (add reference).
|<span class="blue-text">EXAMPLE:</span> Common (Oligodendroglioma)
|<span class="blue-text">EXAMPLE:</span> D, P
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|<span class="blue-text">EXAMPLE:</span>
Microsatellite instability - hypermutated
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|<span class="blue-text">EXAMPLE:</span> Common (Endometrial carcinoma)
|<span class="blue-text">EXAMPLE:</span> P, T
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==Gene Mutations (SNV/INDEL)==
==Gene Mutations (SNV/INDEL)==
Put your text here and fill in the table <span style="color:#0070C0">(''Instructions: This table is not meant to be an exhaustive list; please include only genes/alterations that are recurrent or common as well either disease defining and/or clinically significant. If a gene has multiple mechanisms depending on the type or site of the alteration, add multiple entries in the table. For clinical significance, denote associations with FDA-approved therapy (not an extensive list of applicable drugs) and NCCN or other national guidelines if applicable; Can also refer to CGC workgroup tables as linked on the homepage if applicable as well as any high impact papers or reviews of gene mutations in this entity. Details on clinical significance such as prognosis and other important information such as concomitant and mutually exclusive mutations can be provided in the notes section. Please include references throughout the table. Do not delete the table.'') </span>
FLT3-ITD and WT1 mutation are recurring events in NUP98::NSD1 and was also observed in some NUP98::HOXA9 AML patients.(R1). Loss of RB1 at 13q14 is particularly associated with NUP98::KDM5A
{| class="wikitable"
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|'''Gene'''
|'''Gene'''
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NUP98 fusion proteins are understood to generally mediate leukemogenesis through the functions of protein domains present in wild-type ''NUP98'' and the relevant fusion partner (often harbouring transcriptional or chromatin-modifying properties); ''in vitro'' experiments have demonstrated chromatin remodeling related to fusion oncoprotein expression (and associated with coordination of numerous interacting proteins, including transcriptional cofactors (e.g. EP300, CREBBP, MEIS1) and histone-modifying complexes) resulting in dysregulation of expression of members of the ''HOXA'' and ''HOXB'' gene families, among other loci (e.g. ''MEIS1'').<ref name=":4" /><ref name=":5" />
NUP98 fusion proteins are understood to generally mediate leukemogenesis through the functions of protein domains present in wild-type ''NUP98'' and the relevant fusion partner (often harbouring transcriptional or chromatin-modifying properties); ''in vitro'' experiments have demonstrated chromatin remodeling related to fusion oncoprotein expression (and associated with coordination of numerous interacting proteins, including transcriptional cofactors (e.g. EP300, CREBBP, MEIS1) and histone-modifying complexes) resulting in dysregulation of expression of members of the ''HOXA'' and ''HOXB'' gene families, among other loci (e.g. ''MEIS1'').<ref name=":4" /><ref name=":5" />
==Genes and Main Pathways Involved==
==Genes and Main Pathways Involved==
Put your text here and fill in the table <span style="color:#0070C0">(''Instructions: Please include references throughout the table. Do not delete the table.)''</span>
{| class="wikitable sortable"
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!Gene; Genetic Alteration!!Pathway!!Pathophysiologic Outcome
!Gene; Genetic Alteration!!Pathway!!Pathophysiologic Outcome
|-
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|<span class="blue-text">EXAMPLE:</span> ''BRAF'' and ''MAP2K1''; Activating mutations
|Various ''NUP98'' fusions
|<span class="blue-text">EXAMPLE:</span> MAPK signaling
|HOX-family pathways
|<span class="blue-text">EXAMPLE:</span> Increased cell growth and proliferation
|Disruption of critical hematopoietic regulator; dysregulation of differentiation, proliferation, apoptosis, and cell survival.<ref name=":3">{{Cite journal|last=Rasouli|first=Milad|last2=Troester|first2=Selina|last3=Grebien|first3=Florian|last4=Goemans|first4=Bianca F.|last5=Zwaan|first5=C. Michel|last6=Heidenreich|first6=Olaf|date=2024-09|title=NUP98 oncofusions in myeloid malignancies: An update on molecular mechanisms and therapeutic opportunities|url=https://pubmed.ncbi.nlm.nih.gov/39323480|journal=HemaSphere|volume=8|issue=9|pages=e70013|doi=10.1002/hem3.70013|issn=2572-9241|pmid=39323480}}</ref>
|-
|<span class="blue-text">EXAMPLE:</span> ''CDKN2A''; Inactivating mutations
|<span class="blue-text">EXAMPLE:</span> Cell cycle regulation
|<span class="blue-text">EXAMPLE:</span> Unregulated cell division
|-
|<span class="blue-text">EXAMPLE:</span> ''KMT2C'' and ''ARID1A''; Inactivating mutations
|<span class="blue-text">EXAMPLE:</span> Histone modification, chromatin remodeling
|<span class="blue-text">EXAMPLE:</span> Abnormal gene expression program
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==Genetic Diagnostic Testing Methods==
==Genetic Diagnostic Testing Methods==


Rearrangements involving NUP98 are often cryptic on conventional karyotype, owing to terminal location of NUP98 on chromosome 11p15.4. Most patients have a normal karyotype. Diagnosis is established using the following tests:
Several common rearrangements involving ''NUP98'' (with ''NSD1'' and ''KDM5A'') are generally cryptic in conventional karyotyping owing to the terminal locations of loci involved, while other rearrangements involving ''NUP98'' may be visible in banded chromosomes.<ref name=":5" /><ref name=":1" /> The following techniques may be used to facilitate detection of cryptic rearrangements:


*FISH using NUP98 break-apart probes
*FISH (e.g. locus-specific ''NUP98'' break-apart probe)
*RT-PCR for fusion proteins like NUP98::NSD1
*RT-PCR assays for detection of specific fusions
*RNA sequencing
*RNA sequencing
*Optical Genome Mapping (OGM)
*Optical genome mapping<br />
 
[[File:NUP98 NSD1 OGM panel figure.png|none|thumb|617x617px|Cytogenetically cryptic ''NUP98::NSD1'' rearrangement detected by optical genome mapping. '''Panel A''': Circos plot depicting t(5;11)(q35.3;p15.4) with inset of chromosomes 5 and 11 showing no visible abnormalities in banded chromosomes. '''Panel B''': ''NUP98::NSD1'' fusion variant call. '''Panel C''': Concurrent deletion of ''WT1''; abnormalities of ''WT1'' are highly recurrent in AML with ''NUP98::NSD1''.]]
<br />
[[File:NUP98 NSD1.png|none|thumb|617x617px|Karyotype image of NUP98 rearranged acute myeloid leukemia. Due to the cryptic nature of NUP98 rearrangement, karyotype is usually normal. ]]
[[File:T(5;11).jpg|none|thumb|584x584px|Optical genome mapping. Figure A showing circus plot with t(5;11). Figure B showing exact breakpoints of the translocation leading to NUP98::NSD1 fusion. Figure C showing WT1 deletion which is a common secondary event in NUP98 rearranged AML.]]
<br />


==Familial Forms==
==Familial Forms==


 
Not applicable.
Put your text here <span style="color:#0070C0">(''Instructions: Include associated hereditary conditions/syndromes that cause this entity or are caused by this entity.'') </span>
==Additional Information==
==Additional Information==


<br />
''NUP98'' fusions are not specific for ''de novo'' acute myeloid leukemia, also occurring in T-lymphoblastic leukemia and blast phase chronic myeloid leukemia with overlap in the profile of ''NUP98'' fusion partners (though ''HOX'' fusions appear, in reports to date, to be specific to myeloid neoplasms).<ref name=":2" /><ref name=":3" />


==Links==
==Links==


 
Not applicable.
Put a link here or anywhere appropriate in this page <span style="color:#0070C0">(''Instructions: Highlight the text to which you want to add a link in this section or elsewhere, select the "Link" icon at the top of the wiki page, and search the name of the internal page to which you want to link this text, or enter an external internet address by including the "<nowiki>http://www</nowiki>." portion.'')</span>
==References==
==References==
<references />


(use the "Cite" icon at the top of the page) <span style="color:#0070C0">(''Instructions: Add each reference into the text above by clicking where you want to insert the reference, selecting the “Cite” icon at the top of the wiki page, and using the “Automatic” tab option to search by PMID to select the reference to insert. If a PMID is not available, such as for a book, please use the “Cite” icon, select “Manual” and then “Basic Form”, and include the entire reference. To insert the same reference again later in the page, select the “Cite” icon and “Re-use” to find the reference; DO NOT insert the same reference twice using the “Automatic” tab as it will be treated as two separate references. The reference list in this section will be automatically generated and sorted''</span><span style="color:#0070C0">''.''</span><span style="color:#0070C0">)</span>
==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 [[Leadership|''<u>Associate Editor</u>'']] or other CCGA representative.  When pages have a major update, the new author will be acknowledged at the beginning of the page, and those who contributed previously will be acknowledged below as a prior author.
<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 [[Leadership|''<u>Associate Editor</u>'']] or other CCGA representative.  When pages have a major update, the new author will be acknowledged at the beginning of the page, and those who contributed previously will be acknowledged below as a prior author.
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[[Category:DISEASE]]
[[Category:DISEASE]]
[[Category:Diseases A]]
[[Category:Diseases A]]
<references />
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