STBT5:Osteofibrous dysplasia: Difference between revisions
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{{DISPLAYTITLE:Osteofibrous dysplasia}} | {{DISPLAYTITLE:Osteofibrous dysplasia}} | ||
[[STBT5:Table_of_Contents|Soft Tissue and Bone Tumours (Who Classification, 5th ed.)]] | [[STBT5:Table_of_Contents|Soft Tissue and Bone Tumours (Who Classification, 5th ed.)]] | ||
==Primary Author(s)*== | ==Primary Author(s)*== | ||
Kathleen Schieffer, PhD, FACMG | |||
==WHO Classification of Disease== | ==WHO Classification of Disease== | ||
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==Gene Rearrangements== | ==Gene Rearrangements== | ||
{| class="wikitable sortable" | {| class="wikitable sortable" | ||
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!Clinical Relevance Details/Other Notes | !Clinical Relevance Details/Other Notes | ||
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==Individual Region Genomic Gain/Loss/LOH== | ==Individual Region Genomic Gain/Loss/LOH== | ||
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!Clinical Relevance Details/Other Notes | !Clinical Relevance Details/Other Notes | ||
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==Characteristic Chromosomal or Other Global Mutational Patterns== | ==Characteristic Chromosomal or Other Global Mutational Patterns== | ||
{| class="wikitable sortable" | {| class="wikitable sortable" | ||
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!Clinical Relevance Details/Other Notes | !Clinical Relevance Details/Other Notes | ||
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==Gene Mutations (SNV/INDEL)== | ==Gene Mutations (SNV/INDEL)== | ||
{| class="wikitable sortable" | {| class="wikitable sortable" | ||
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!Clinical Relevance Details/Other Notes | !Clinical Relevance Details/Other Notes | ||
|- | |- | ||
| | |''MET'' | ||
|Exon 14 skipping (activating) | |||
|Oncogene | |||
|< | |Recurrent | ||
| | |D | ||
| | |No | ||
| | |Exon 14 of MET encodes a regulatory domain which signals for polyubiquitination and degradation of MET following phosphorylation of Tyr1003. However, exon 14 skipping events result in a loss of Tyr1003, impaired degradation, and oncogenic activation of MET signaling.<ref name=":0">{{Cite journal|last=Ghosh|first=Promita|last2=Pecora|first2=Isabella|last3=Park|first3=Morag|date=2025-09-09|title=Mechanistic insights into MET exon 14 skipping mutations and their role in tumor progression|url=https://pubmed.ncbi.nlm.nih.gov/40924941|journal=Biochemical Society Transactions|pages=BST20253091|doi=10.1042/BST20253091|issn=1470-8752|pmid=40924941}}</ref><ref name=":1">{{Cite journal|last=Gray|first=Mary J.|last2=Kannu|first2=Peter|last3=Sharma|first3=Swarkar|last4=Neyt|first4=Christine|last5=Zhang|first5=Dongping|last6=Paria|first6=Nandina|last7=Daniel|first7=Philip B.|last8=Whetstone|first8=Heather|last9=Sprenger|first9=Hans-Georg|date=2015-12-03|title=Mutations Preventing Regulated Exon Skipping in MET Cause Osteofibrous Dysplasia|url=https://pubmed.ncbi.nlm.nih.gov/26637977|journal=American Journal of Human Genetics|volume=97|issue=6|pages=837–847|doi=10.1016/j.ajhg.2015.11.001|issn=1537-6605|pmc=4678433|pmid=26637977}}</ref> Of note, only relatively few germline cases have been reported in the literature and a somatic alteration (p.Tyr1003Ser) has been reported in a single sample.<ref name=":1" /> The prevalence may be under-represented. | ||
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|}Note: A more extensive list of mutations can be found in [https://www.cbioportal.org/ <u>cBioportal</u>], [https://cancer.sanger.ac.uk/cosmic <u>COSMIC</u>], 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 [https://www.cbioportal.org/ <u>cBioportal</u>], [https://cancer.sanger.ac.uk/cosmic <u>COSMIC</u>], and/or other databases. When applicable, gene-specific pages within the CCGA site directly link to pertinent external content. | ||
==Epigenomic Alterations== | ==Epigenomic Alterations== | ||
None | |||
==Genes and Main Pathways Involved== | ==Genes and Main Pathways Involved== | ||
{| class="wikitable sortable" | {| class="wikitable sortable" | ||
|- | |- | ||
!Gene; Genetic Alteration!!Pathway!!Pathophysiologic Outcome | !Gene; Genetic Alteration!!Pathway!!Pathophysiologic Outcome | ||
|- | |- | ||
| | |''MET;'' Activating exon 14 skipping | ||
| | |RAS/MAPK, PI3K/AKT signaling | ||
| | |Increased cell growth and proliferation<ref name=":0" /> | ||
|} | |} | ||
==Genetic Diagnostic Testing Methods== | ==Genetic Diagnostic Testing Methods== | ||
DNA sequencing may identify variation resulting in exon 14 skipping. Transcriptome analysis would be recommended to confirm alternative splicing. | |||
==Familial Forms== | ==Familial Forms== | ||
Germline alterations in ''MET'' which result in exon 14 skipping have been shown to be associated with familial osteofibrous dysplasia.<ref name=":1" /> | |||
==Additional Information== | ==Additional Information== | ||
Not applicable | |||
==Links== | ==Links== | ||
None | |||
==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> | (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> | ||
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Prior Author(s): | Prior Author(s): | ||
<nowiki>*</nowiki>''Citation of this Page'': “Osteofibrous dysplasia”. Compendium of Cancer Genome Aberrations (CCGA), Cancer Genomics Consortium (CGC), updated {{REVISIONMONTH}}/{{REVISIONDAY}}/{{REVISIONYEAR}}, <nowiki>https://ccga.io/index.php/STBT5:Osteofibrous dysplasia</nowiki>. | <nowiki>*</nowiki>''Citation of this Page'': “Osteofibrous dysplasia”. Compendium of Cancer Genome Aberrations (CCGA), Cancer Genomics Consortium (CGC), updated {{REVISIONMONTH}}/{{REVISIONDAY}}/{{REVISIONYEAR}}, <nowiki>https://ccga.io/index.php/STBT5:Osteofibrous dysplasia</nowiki>. | ||
[[Category:STBT5]][[Category:DISEASE]][[Category:Diseases O]] | [[Category:STBT5]] | ||
[[Category:DISEASE]] | |||
[[Category:Diseases O]] | |||
Revision as of 12:42, 22 October 2025
Soft Tissue and Bone Tumours (Who Classification, 5th ed.)
Primary Author(s)*
Kathleen Schieffer, PhD, FACMG
WHO Classification of Disease
| Structure | Disease |
|---|---|
| Book | Soft Tissue and Bone Tumours (5th ed.) |
| Category | Bone tumours |
| Family | Other mesenchymal tumours of bone |
| Type | Osteofibrous dysplasia |
| Subtype(s) | N/A |
Related Terminology
| Acceptable | N/A |
| Not Recommended | Ossifying fibroma of long bones; Kempson–Campanacci lesion |
Gene Rearrangements
| Driver Gene | Fusion(s) and Common Partner Genes | Molecular Pathogenesis | Typical Chromosomal Alteration(s) | Prevalence -Common >20%, Recurrent 5-20% or Rare <5% (Disease) | Diagnostic, Prognostic, and Therapeutic Significance - D, P, T | Established Clinical Significance Per Guidelines - Yes or No (Source) | Clinical Relevance Details/Other Notes |
|---|---|---|---|---|---|---|---|
| N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
Individual Region Genomic Gain/Loss/LOH
Put your text here and fill in the table (Instructions: Includes aberrations not involving gene rearrangements. Details on clinical significance such as prognosis and other important information can be provided in the notes section. Can refer to CGC workgroup tables as linked on the homepage if applicable. Please include references throughout the table. Do not delete the table.)
| Chr # | Gain, Loss, Amp, LOH | Minimal Region Cytoband and/or Genomic Coordinates [Genome Build; Size] | Relevant Gene(s) | Diagnostic, Prognostic, and Therapeutic Significance - D, P, T | Established Clinical Significance Per Guidelines - Yes or No (Source) | Clinical Relevance Details/Other Notes |
|---|---|---|---|---|---|---|
| N/A | N/A | N/A | N/A | N/A | N/A | N/A |
Characteristic Chromosomal or Other Global Mutational Patterns
| Chromosomal Pattern | Molecular Pathogenesis | Prevalence -
Common >20%, Recurrent 5-20% or Rare <5% (Disease) |
Diagnostic, Prognostic, and Therapeutic Significance - D, P, T | Established Clinical Significance Per Guidelines - Yes or No (Source) | Clinical Relevance Details/Other Notes |
|---|---|---|---|---|---|
| N/A | N/A | N/A | N/A | N/A | N/A |
Gene Mutations (SNV/INDEL)
| Gene | Genetic Alteration | Tumor Suppressor Gene, Oncogene, Other | Prevalence -
Common >20%, Recurrent 5-20% or Rare <5% (Disease) |
Diagnostic, Prognostic, and Therapeutic Significance - D, P, T | Established Clinical Significance Per Guidelines - Yes or No (Source) | Clinical Relevance Details/Other Notes |
|---|---|---|---|---|---|---|
| MET | Exon 14 skipping (activating) | Oncogene | Recurrent | D | No | Exon 14 of MET encodes a regulatory domain which signals for polyubiquitination and degradation of MET following phosphorylation of Tyr1003. However, exon 14 skipping events result in a loss of Tyr1003, impaired degradation, and oncogenic activation of MET signaling.[1][2] Of note, only relatively few germline cases have been reported in the literature and a somatic alteration (p.Tyr1003Ser) has been reported in a single sample.[2] The prevalence may be under-represented. |
Note: A more extensive list of mutations can be found in cBioportal, COSMIC, and/or other databases. When applicable, gene-specific pages within the CCGA site directly link to pertinent external content.
Epigenomic Alterations
None
Genes and Main Pathways Involved
| Gene; Genetic Alteration | Pathway | Pathophysiologic Outcome |
|---|---|---|
| MET; Activating exon 14 skipping | RAS/MAPK, PI3K/AKT signaling | Increased cell growth and proliferation[1] |
Genetic Diagnostic Testing Methods
DNA sequencing may identify variation resulting in exon 14 skipping. Transcriptome analysis would be recommended to confirm alternative splicing.
Familial Forms
Germline alterations in MET which result in exon 14 skipping have been shown to be associated with familial osteofibrous dysplasia.[2]
Additional Information
Not applicable
Links
None
References
(use the "Cite" icon at the top of the page) (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.)
Notes
*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 Associate Editor 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.
Prior Author(s): *Citation of this Page: “Osteofibrous dysplasia”. Compendium of Cancer Genome Aberrations (CCGA), Cancer Genomics Consortium (CGC), updated 10/22/2025, https://ccga.io/index.php/STBT5:Osteofibrous dysplasia.
- ↑ 1.0 1.1 Ghosh, Promita; et al. (2025-09-09). "Mechanistic insights into MET exon 14 skipping mutations and their role in tumor progression". Biochemical Society Transactions: BST20253091. doi:10.1042/BST20253091. ISSN 1470-8752. PMID 40924941 Check
|pmid=value (help). - ↑ 2.0 2.1 2.2 Gray, Mary J.; et al. (2015-12-03). "Mutations Preventing Regulated Exon Skipping in MET Cause Osteofibrous Dysplasia". American Journal of Human Genetics. 97 (6): 837–847. doi:10.1016/j.ajhg.2015.11.001. ISSN 1537-6605. PMC 4678433. PMID 26637977.