Evidence map›Paper›PMID 39460831›Full record

ArticleHead and neck pathology2024

Comparative Analysis of MYB Expression by Immunohistochemistry and RNA Sequencing in Clinical Gene Fusion Detection in Adenoid Cystic Carcinoma.

Adam S Fisch, Alexander A Farahani, Julia Thierauf, A John Iafrate, Jochen K Lennerz, William C Faquin

Abstract readComparative Study
In one paragraph

Article in Head and neck pathology, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.

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2citing papers in PubMed
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1 · What the graph read from it

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2 · The registry

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3 · Its place in the literature

Who cites it

2 citing papers in PubMed.

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4 · The record

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5 · Who and what money

Authors and funding

6 authors.

Adam S FischDepartments of Pathology, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA. afisch1@mgh.harvard.edu.
Alexander A FarahaniImmuto Scientific, Cambridge, MA, USA.
Julia ThieraufFoundation Medicine, Inc, Boston, MA, USA.
A John IafrateDepartments of Pathology, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA.
Jochen K LennerzBostonGene Corporation, Waltham, MA, USA.
William C FaquinDepartments of Pathology, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

purposeMYB has been shown to play a central role in oncogenesis in a majority of adenoid cystic carcinomas (ACC). Testing for MYB expression via immunohistochemistry (IHC) or testing for the MYB gene fusion by next-generation sequencing (NGS) have become useful tools for the diagnosis of ACC. In addition, detection of MYB expression may have implications for patient management.

methodsA cohort of 35 ACC cases was identified from the archival pathology files of the Massachusetts General Hospital. Cases were tested for MYB expression using a panel of 4 different commercially available MYB antibodies and scored using a modified Allred system. RNA-based NGS for MYB gene fusion detection was also performed.

resultsAmong 4 different MYB antibodies, the sensitivity for MYB detection ranged from 26 to 97%. When a 30% threshold for determination of MYB immunohistochemical positivity was used, the AB_10900735 IHC clone showed the maximum sensitivity (97%). RNA sequencing revealed 19 (54%) cases positive for MYB fusions, and expression analysis derived from the sequencing data confirmed a significant association between MYB expression and fusion status (p = 0.036). Although less sensitive, the AB_778878 MYB clone showed a significant positive association between IHC staining and MYB RNA expression (R

conclusionThe detection of MYB expression using immunohistochemistry varies significantly depending on the antibody used. Comparison with MYB fusion and transcription levels, as determined by NGS, reveals that MYB has a complex relationship between genetic alterations, transcript levels, and protein abundance.

Indexed as

Biomarkers, TumorCarcinoma, Adenoid CysticImmunohistochemistryProto-Oncogene Proteins c-mybSequence Analysis, RNAAdultAgedAged, 80 and overFemaleGene FusionHumansMaleMiddle AgedOncogene Proteins, FusionSalivary Gland NeoplasmsSensitivity and SpecificityBiomarkers, TumorMYB protein, humanOncogene Proteins, FusionProto-Oncogene Proteins c-mybAdenoid cystic carcinomaGene expressionImmunohistochemistryMYBNext-generation sequencingRNA sequencing

Identifiers

PMID39460831
PMCPMC11512985

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