Evidence map›Paper›PMID 41612426›Full record

ArticleJournal of translational medicine2026

Clinically actionable stratification of uncommon MET fusions: a precision oncology framework.

Wenhui Yang, Yanxiang Zhang, Tonghui Ma, Haiyang Liang, Qingsheng Xu, Mingyao Lai, Lusheng Li, Haozhe Piao

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Article in Journal of translational medicine, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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5 · Who and what money

Authors and funding

8 authors.

Wenhui Yang *Department of Gastroenterology, Shanxi Province Cancer hospital/Shanxi Hospital Affiliated to Cancer Hospital, Chinese Academy of Medical sciences/Cancer Hospital Affiliated to Shanxi Medical University, Taiyuan, 030013, China.
Yanxiang Zhang *Genetron Health Clinical Laboratory, Beijing, 102206, China.
Tonghui Ma *Genecn-Biotech Co, Ltd, Hangzhou, 310022, China.
Haiyang Liang *Department of Neurosurgery, Cancer Hospital of China Medical University, Cancer Hospital of Dalian University of Technology, Liaoning Cancer Hospital & Institute, No.44 Xiaoheyan Road, Shenyang, 110042, China.
Qingsheng XuDepartment of Neurosurgery, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310003, China.
Mingyao LaiGuangdong Sanjiu Brain Hospital, Guangzhou, 510510, China.
Lusheng LiDepartment of Neurosurgery, Children's Hospital of Chongqing Medical University, Chongqing, 401122, China.
Haozhe PiaoDepartment of Neurosurgery, Cancer Hospital of China Medical University, Cancer Hospital of Dalian University of Technology, Liaoning Cancer Hospital & Institute, No.44 Xiaoheyan Road, Shenyang, 110042, China. piaohz1964@outlook.com.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundMET fusions represent emerging therapeutic targets in solid tumors; however, functional interpretation of non-canonical variants remains poorly understood, posing a major challenge for precision oncology.

methodsWe conducted a multicenter, pan-cancer study analyzing 23,299 clinical samples using DNA-based next-generation sequencing (NGS) to profile MET fusions. Transcriptional validation was performed using RNA-based NGS on available samples. Preliminary clinical outcomes were assessed in four patients with advanced malignancies harboring uncommon MET fusions who received MET tyrosine kinase inhibitor therapy.

resultsWe identified 116 MET fusions (incidence: 0.5%), with 55.2% (64/116) classified as uncommon fusions. These uncommon fusions were stratified into: Group A (5’-retained, n = 12), Group B (intergenic/exonic breakpoints, n = 19), Group C (rare partners, n = 23), and Group D (dual fusions, n = 10). RNA validation revealed an overall low transcriptional consistency of 43.8% (14/32) for uncommon fusions, versus 100% for canonical fusions (PTPRZ1::MET, CAPZA2::MET). Notably, most 5’-retained fusions were transcriptionally silent, while some intergenic fusions resolved into expressed canonical partners (e.g. PTPRZ1::MET). Therapeutically, all four MET inhibitor-treated patients achieved partial responses, including pediatric diffuse midline gliomas (DMG) (median OS: 11.2 months) and lung adenocarcinoma (median OS: 34 months), demonstrating preliminary clinical activity.

conclusionsuncommon MET fusions are heterogeneous at genomic and transcriptional levels. DNA-level findings often do not predict functional transcripts, underscoring the necessity of RNA-based confirmation for clinical interpretation. Despite low overall consistency, a subset retains therapeutic potential. We propose a refined diagnostic framework integrating DNA-based stratification and RNA validation to guide the management of MET-altered cancers in precision oncology workflows.

Indexed as

NeoplasmsOncogene Proteins, FusionPrecision MedicineProto-Oncogene Proteins c-metHigh-Throughput Nucleotide SequencingHumansMET protein, humanOncogene Proteins, FusionProto-Oncogene Proteins c-metBiomarker-driven therapiesMETMET inhibitorNGS

Identifiers

PMID41612426
PMCPMC12930673

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.