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GENE:

TMB (Tumor Mutational Burden)

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Other names: TMB | Tumor Mutational Burden
1d
The ASH HematOmics Program supports integrative analysis of genomic and clinical data in hematologic diseases. (PubMed, Blood)
We illustrate four use cases of ASHOP: (1) stratification of DUX4-rearranged B-cell leukemias into Early/Multipotent and Committed subgroups with distinct outcomes, (2) characterization of HOXA/HOXB expression patterns in acute myeloid leukemias, (3) correlating mutational burden with mismatch repair deficiency and mutational signatures, (4) investigation of TP53 alteration landscape. ASHOP is an open-access resource to inform genomic and transcriptomic data interpretation for hematologic malignancies, and will expand to support additional diseases and data modalities from the ASH community.
Clinical data • Journal • Tumor mutational burden
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TP53 (Tumor protein P53) • TMB (Tumor Mutational Burden) • DUX4 (Double Homeobox 4)
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TP53 mutation
1d
Pancreatic cancer immunotherapy biomarkers: from traditional markers to multimodal integration and dynamic monitoring. (PubMed, Front Immunol)
Future directions include multicenter prospective trials to validate multimodal models, standardize detection methods, and increase interdisciplinary collaboration. By integrating genomic, epigenetic, metabolic, and microbiome data, these models can better capture the complexity of PDAC, thereby improving patient outcomes through precision immunotherapy.
Review • Journal • Tumor mutational burden • PD(L)-1 Biomarker • IO biomarker
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PD-L1 (Programmed death ligand 1) • TMB (Tumor Mutational Burden) • MSI (Microsatellite instability) • CD8 (cluster of differentiation 8) • CA 19-9 (Cancer antigen 19-9)
1d
High cancer-associated mutational burden in normal blood of xeroderma pigmentosum group C, but not groups A, D, or F. (PubMed, Blood Neoplasia)
The XP-C mutational profile was characterized by elevated single-nucleotide variants (SNVs) associated with mutational signatures SBS5, SBS8, and SBS32, as well as an enrichment of single-nucleotide cytosine deletions, with SNV profiles closely mirroring those found in XP-C leukemias. These findings indicate that a cancer-like mutation burden is already present in normal lymphocytes before malignant transformation, revealing distinct molecular subtypes within XP defined by spontaneous mutational load in normal blood cells.
Journal • Tumor mutational burden
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TMB (Tumor Mutational Burden) • XPA (XPA, DNA Damage Recognition And Repair Factor)
1d
Proof-of-concept study of clinical use of blood-based MAVS biosensor in predicting immunotherapy response in SCLC patients. (PubMed, Transl Oncol)
The SPR‑POF platform demonstrated portability, cost-effectiveness (estimated 5 USD/unit), and operational simplicity, highlighting its potential for point-of-care testing (POCT) applications. Although limited by small patient numbers, these findings support MAVS as a promising predictive biomarker in SCLC, warranting validation in larger prospective studies.
Journal • Tumor mutational burden • PD(L)-1 Biomarker • IO biomarker
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PD-L1 (Programmed death ligand 1) • TMB (Tumor Mutational Burden)
2d
Comparative Analysis of Homologous Recombination Repair Status Across Gynecologic and Breast Cancers in Chinese Populations. (PubMed, Curr Cancer Drug Targets)
The mutational patterns affecting homologous recombination repair differ across gynecologic and breast cancers. Further research into cancer-specific HRD mechanisms is warranted.
Journal • Tumor mutational burden • BRCA Biomarker • PARP Biomarker
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TP53 (Tumor protein P53) • PIK3CA (Phosphatidylinositol-4,5-bisphosphate 3-kinase catalytic subunit alpha) • TMB (Tumor Mutational Burden) • BRCA1 (Breast cancer 1, early onset) • BRCA2 (Breast cancer 2, early onset) • MSI (Microsatellite instability) • HRD (Homologous Recombination Deficiency) • JAK2 (Janus kinase 2) • PALB2 (Partner and localizer of BRCA2) • SMARCA4 (SWI/SNF related, matrix associated, actin dependent regulator of chromatin, subfamily A, member 4) • BRCA (Breast cancer early onset) • EPHA5 (EPH Receptor A5)
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TP53 mutation • BRCA2 mutation • BRCA1 mutation • PIK3CA mutation • HRD • PALB2 mutation • BRCA mutation
2d
Uncovering molecular pathways in appendiceal cancer: A comprehensive characterization for precision oncology. (PubMed, Am J Surg)
This study offers a comprehensive molecular characterization of AC, comparing distinct oncogenic pathway signatures between primary and metastatic disease. The identification of pathway-specific alterations offers valuable insights into the molecular heterogeneity of AC and highlights opportunities for pathway-targeted therapies. These findings emphasize the importance of integrative molecular profiling to advance precision oncology and improve outcomes for patients with this rare malignancy.
Journal • Tumor mutational burden
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TMB (Tumor Mutational Burden) • CDKN2A (Cyclin Dependent Kinase Inhibitor 2A) • SMAD4 (SMAD family member 4) • TGFB1 (Transforming Growth Factor Beta 1)
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TP53 mutation
3d
Immunotherapy advancements in high-grade serous ovarian cancer: From promise to practice. (PubMed, Crit Rev Oncol Hematol)
ADCs are leading current clinical advances. Future priorities include biomarker-driven trial designs, strategic treatment sequencing, and innovative combination strategies to maximize therapeutic benefit while minimizing toxicity.
Review • Journal • Tumor mutational burden • PARP Biomarker • PD(L)-1 Biomarker • IO biomarker
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PD-L1 (Programmed death ligand 1) • TMB (Tumor Mutational Burden) • HRD (Homologous Recombination Deficiency) • FOLR1 ( Folate receptor alpha )
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PD-L1 expression • HRD
4d
Molecular heterogeneity of endometrial cancer in the real-world: Biomarker patterns by tumor stage, histology, and molecular subtype. (PubMed, Gynecol Oncol)
The results of this real-world study demonstrate that endometrial cancer is a complex disease, characterized by substantial molecular heterogeneity and varying biomarker distributions across histology, stages, and molecular subtypes. This real-world study supports the integration of comprehensive molecular profiling into routine practice to refine prognostic stratification and guide biomarker-driven therapies.
Journal • Real-world evidence • Tumor mutational burden • MSi-H Biomarker
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HER-2 (Human epidermal growth factor receptor 2) • ER (Estrogen receptor) • TP53 (Tumor protein P53) • PIK3CA (Phosphatidylinositol-4,5-bisphosphate 3-kinase catalytic subunit alpha) • TMB (Tumor Mutational Burden) • MSI (Microsatellite instability) • PTEN (Phosphatase and tensin homolog) • ARID1A (AT-rich interaction domain 1A)
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TP53 mutation • TMB-H • MSI-H/dMMR • HER-2 amplification • PIK3CA mutation • HER-2 mutation • PTEN mutation • ARID1A mutation
4d
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
4d
Single-Cell and Multi-Omics-Based Characterization of Gastric Cancer Identifies TPP1 as a Potential Target for Gastric Cancer Progression and Treatment. (PubMed, Oncol Res)
The model demonstrated strong predictive performance for patient prognosis, immune landscape, and immunotherapy response. Furthermore, the findings highlighted the pivotal role of TPP1 in gastric cancer progression and its potential as a therapeutic target.
Journal • Tumor mutational burden • IO biomarker
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TMB (Tumor Mutational Burden) • TPP1 (Tripeptidyl Peptidase 1)
4d
Pembrolizumab for high TMB castration-resistant prostate cancer: A precision medicine case report. (PubMed, Int Cancer Conf J)
Initially diagnosed with BRAF V600E-mutated melanoma, he received Dabrafenib and Trametinib...Despite initial treatment with Triptorelin, Docetaxel, and Abiraterone, disease progression occurred...This case illustrates the value of precision medicine and the role of liquid biopsy in guiding immunotherapy decisions for complex oncological cases. It supports the relevance of molecular profiling in selecting effective treatments beyond standard indications.
Journal • Tumor mutational burden • BRCA Biomarker • PD(L)-1 Biomarker • IO biomarker
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BRAF (B-raf proto-oncogene) • TP53 (Tumor protein P53) • TMB (Tumor Mutational Burden) • BRCA2 (Breast cancer 2, early onset)
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TP53 mutation • BRAF V600E • TMB-H • BRAF V600 • ATM mutation
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Keytruda (pembrolizumab) • Mekinist (trametinib) • Tafinlar (dabrafenib) • docetaxel • abiraterone acetate • triptorelin
4d
Expanding the Molecular Landscape of Deep Penetrating Nevus-like Melanomas Beyond CTNNB1 and APC Mutations: A Clinicopathologic and Molecular Study of 14 Cases. (PubMed, Am J Surg Pathol)
After a median follow-up of 33.5 months, 36% of patients developed distant metastases, and 2 patients died of disease 8 and 32 months, respectively, after initial diagnosis. These findings expand the molecular diversity of DPN-like melanomas and provide valuable insights into their clinical outcomes.
Journal • Tumor mutational burden
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EGFR (Epidermal growth factor receptor) • BRAF (B-raf proto-oncogene) • TMB (Tumor Mutational Burden) • NRAS (Neuroblastoma RAS viral oncogene homolog) • ARID1A (AT-rich interaction domain 1A) • TERT (Telomerase Reverse Transcriptase) • CTNNB1 (Catenin (cadherin-associated protein), beta 1) • APC (APC Regulator Of WNT Signaling Pathway) • FAT1 (FAT atypical cadherin 1) • SETD2 (SET Domain Containing 2, Histone Lysine Methyltransferase)
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BRAF mutation