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BIOMARKER:

TMB-L

i
Other names: TMB | Tumor Mutational Burden
Related biomarkers:
5d
Multi-omics integration identifies PGAP3 as a tumor-intrinsic factor associated with CD8+ T-cell exclusion in prostate cancer. (PubMed, Front Mol Biosci)
Functionally, PGAP3 silencing significantly impaired proliferation, clonogenic growth, and migration in vitro. Our findings identify PGAP3 as a tumor-intrinsic gene associated with metabolic reprogramming and a CTL/CD8+-low immune contexture in PCa, supporting PGAP3 as a potential marker of the immune-cold tumor microenvironment and motivate future mechanistic studies in immunocompetent systems.
Journal • Tumor mutational burden
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TMB (Tumor Mutational Burden) • CD8 (cluster of differentiation 8) • TNFSF13B (TNF Superfamily Member 13b) • CXCL14 (C-X-C Motif Chemokine Ligand 14)
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TMB-L
6d
Spitz Melanocytoma With a Novel CPEB2::MAP3K2 Rearrangement: A Case Report. (PubMed, J Cutan Pathol)
A conservative re-excision was performed, and a PET/CT scan showed no evidence of dissemination. With 16 months of follow-up available, longer-term monitoring will be required to determine the clinical behavior and biologic potential of this tumor.
Journal • Tumor mutational burden
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TMB (Tumor Mutational Burden) • CCND1 (Cyclin D1) • SOX10 (SRY-Box 10) • PRAME (Preferentially Expressed Antigen In Melanoma) • MLANA (Melan-A) • MITF (Melanocyte Inducing Transcription Factor) • RREB1 (Ras Responsive Element Binding Protein 1)
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TMB-L
10d
Molecular Profiling across 80,000 Patients with Lung Cancer. (PubMed, J Thorac Oncol)
This is the largest NSCLC dataset analyzed for biomarker distribution across histologies, age, sex and genetic ancestry. This dataset confirms sufficient enough biomarker prevalence across many histological subtypes of NSCLC, providing reassurance that all NSCLC cases should be considered for biomarker workup.
Journal • Tumor mutational burden
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EGFR (Epidermal growth factor receptor) • HER-2 (Human epidermal growth factor receptor 2) • KRAS (KRAS proto-oncogene GTPase) • BRAF (B-raf proto-oncogene) • ALK (Anaplastic lymphoma kinase) • TMB (Tumor Mutational Burden) • MET (MET proto-oncogene, receptor tyrosine kinase) • ROS1 (Proto-Oncogene Tyrosine-Protein Kinase ROS)
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KRAS G12C • HER-2 amplification • MET amplification • ALK rearrangement • TMB-L • ROS1 rearrangement • RET rearrangement • KRAS G12
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FoundationOne® CDx
11d
Neoantigen-Encoded Oncolytic Viruses as Personalized Cancer Vaccines. (PubMed, Pharmaceuticals (Basel))
We discussed major OV platforms with respect to payload capacity, expression control, manufacturability, and clinical track records, including lessons learned from approved or late-stage OVs such as talimogene laherparepvec (T-VEC) and teserpaturev/G47Δ. Finally, we propose a pragmatic clinical workflow for rapid personalization to maximize therapeutic index. Tightly integrating neoantigen science with immunovirotherapy, including recent 2025 preclinical advances like oncolytic adenovirus neoantigen delivery sensitizing low-TMB tumors to PD-1 blockade, could enable next-generation personalized cancer vaccines capable of converting "cold" tumors into responsive, systemically controlled disease.
Review • Journal • Tumor mutational burden • PD(L)-1 Biomarker • IO biomarker
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TMB (Tumor Mutational Burden)
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TMB-L
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Imlygic (talimogene laherparepvec) • Delytact (teserpaturev)
11d
Real-World Prevalence and Structural Validation of the Canonical 9p21 MTAP-CDKN2A/B Deletion in Non-NSCLC Solid Tumors. (PubMed, Cancers (Basel))
Our findings demonstrate that MTAP deletion is an infrequent but genomically coherent event in solid tumors, characterized by a canonical 9p21 co-deletion pattern. This real-world analysis underscores the importance of comprehensive genomic profiling to identify patients who may benefit from emerging MTAP-directed therapies.
Journal • Real-world evidence • Tumor mutational burden
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TMB (Tumor Mutational Burden) • CDKN2A (Cyclin Dependent Kinase Inhibitor 2A) • MTAP (Methylthioadenosine Phosphorylase) • CDKN2B (Cyclin Dependent Kinase Inhibitor 2B) • MAT2A (Methionine Adenosyltransferase 2A)
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TMB-L • CDKN2A deletion • MTAP deletion
11d
Inflammatory and Nested Testicular Sex Cord Tumors: Clinical and Molecular Characterization. (PubMed, Genes (Basel))
Published cases suggest that IN-TSCT may exhibit aggressive clinical behavior, including metastatic spread in a subset of patients; however, the total number of reported cases remains very limited, and the true metastatic risk and prognostic spectrum have not yet been clearly defined. This review synthesizes the available literature to provide a comprehensive clinicopathologic and molecular overview of this emerging tumor entity.
Review • Journal • Tumor mutational burden
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TMB (Tumor Mutational Burden) • TNFRSF8 (TNF Receptor Superfamily Member 8) • EWSR1 (EWS RNA Binding Protein 1) • ATF1 (Activating Transcription Factor 1)
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TMB-L • TNFRSF8 expression
11d
Dual-Targeting Cuproptosis and Mitophagy via a Flavopiridol-Copper Nanoplatform Potentiates Immunotherapy Against Uveal Melanoma. (PubMed, Adv Sci (Weinh))
This work establishes cuproptosis induction via NP@Fla-Cu as a transformative strategy against UM, effectively addressing challenges in tumor selectivity and off-target toxicity. The dual functionality of flavopiridol as a copper ionophore and mitophagy activator provides a promising combinatorial approach to overcome therapy resistance in immunosuppressive malignancies.
Journal • Tumor mutational burden • IO biomarker
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TMB (Tumor Mutational Burden) • CD8 (cluster of differentiation 8)
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TMB-L
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alvocidib (DSP-2033)
14d
Melanomas arising in blue nevi exhibit absence of TERT promoter mutations, low tumor mutational burden, and high frequency of distant metastases and disease-related mortality: a clinicopathologic and molecular study of 11 cases. (PubMed, Virchows Arch)
The presence of MS appeared to correlate with worse clinical outcomes, as 67% of patients with MS died, compared to none without. Our findings expand the recognized molecular diversity of MBNs and provide insights into their biological behaviors, underscoring the clinical significance of identifying potential prognostic factors.
Journal • Tumor mutational burden
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TMB (Tumor Mutational Burden) • MAP2K1 (Mitogen-activated protein kinase kinase 1) • GNAQ (G Protein Subunit Alpha Q) • TERT (Telomerase Reverse Transcriptase) • SF3B1 (Splicing Factor 3b Subunit 1) • BAP1 (BRCA1 Associated Protein 1) • GNA11 (G Protein Subunit Alpha 11) • RUNX1T1 (RUNX1 Partner Transcriptional Co-Repressor 1) • SOX17 (SRY-Box Transcription Factor 17)
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TMB-L • SF3B1 mutation
14d
Somatic mutational landscape in von Hippel-Lindau familial hemangioblastoma. (PubMed, Mol Oncol)
Variants were significantly enriched in genes associated with GABAergic and serotonergic neuronal cell types, as well as in pathways regulating cell cycle and neurogenesis. These findings suggest that, in addition to VHL loss, dysregulation of neuronal differentiation programs and cell cycle control may play important roles in hemangioblastoma tumorigenesis.
Journal • Tumor mutational burden
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TMB (Tumor Mutational Burden) • VHL (von Hippel-Lindau tumor suppressor)
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TMB-L
14d
CARMN::NOTCH2 Fusion-Positive Malignant Glomus Tumor of the Liver: A Rare Tumor With Review of Literature. (PubMed, Int J Surg Pathol)
To our knowledge, this represents only the third reported malignant hepatic glomus tumor with molecular confirmation of CARMN::NOTCH2 fusion. This tumor highlights the diagnostic challenges posed by hepatic glomus tumors, underscores the importance of integrating molecular studies into unusual hepatic neoplasms, and expands the clinicopathologic and molecular spectrum of this exceedingly rare entity.
Journal • Tumor mutational burden
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TMB (Tumor Mutational Burden) • MDM2 (E3 ubiquitin protein ligase) • NOTCH2 (Notch 2) • VIM (Vimentin)
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TMB-L
14d
Genomic profiling of meiotic errors and early malignant transformation events in ovarian mature teratoma. (PubMed, Reproduction)
Mutational signature analysis showed enrichment of apolipoprotein B mRNA editing enzyme catalytic subunit-associated signatures. This study suggests novel perspectives on the mechanisms of OMT tumor development and malignant transformation.
Journal • Tumor mutational burden
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TP53 (Tumor protein P53) • PIK3CA (Phosphatidylinositol-4,5-bisphosphate 3-kinase catalytic subunit alpha) • TMB (Tumor Mutational Burden) • APOB (Apolipoprotein B)
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TP53 mutation • PIK3CA mutation • TMB-L
14d
Innovative immunotherapeutic strategies for thyroid cancer: challenges and opportunities. (PubMed, Clin Transl Oncol)
This review aims to discuss the progress and pitfalls of various immunotherapy approaches for thyroid cancer, including ICI therapies, adoptive cell therapies (CAR-T cell, TCR-T cell, and TIL therapy), oncolytic virotherapy, and macrophage/myeloid-modulating immunotherapies. A deeper understanding of subtype-specific immunobiology and precise tailoring of immunotherapeutic interventions may ultimately enable more effective and durable clinical responses for patients with advanced thyroid cancer.
Review • Journal • Tumor mutational burden • IO biomarker
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TMB (Tumor Mutational Burden)
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TMB-L