ArticleOncotarget2015
Metastasis-associated MCL1 and P16 copy number alterations dictate resistance to vemurafenib in a BRAFV600E patient-derived papillary thyroid carcinoma preclinical model.
Article in Oncotarget, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 35 papers.
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Who cites it
35 citing papers in PubMed, 47 citations in OpenAlex.
- Role of the ETV5/p38 Signaling Axis in Aggressive Thyroid Cancer Cells.Molecular cancer therapeutics · 2026Article
- Therapeutic Potential of Tyrosine Kinase Inhibitors in Advanced Thyroid Cancer.Current oncology reports · 2026Review
- Analyzing the Blueprint: Exploring the Molecular Profile of Metastasis and Therapeutic Resistance.International journal of molecular sciences · 2025Review
- Somatic mutations in the TG and RELA genes specific for radioiodine-refractory thyroid cancer.Scientific reports · 2025Article
- Association between genetic mutations in lung adenocarcinoma and adult body mass index: a retrospective cohort study.Frontiers in oncology · 2025Article
- Mcl-1 mediates intrinsic resistance to RAF inhibitors in mutant BRAF papillary thyroid carcinoma.Cell death discovery · 2024Article
- State of the Art in 3D Culture Models Applied to Thyroid Cancer.Medicina (Kaunas, Lithuania) · 2024Review
- Genomic alterations in thyroid cancer: biological and clinical insights.Nature reviews. Endocrinology · 2024Review
- Emerging therapeutic options for follicular-derived thyroid cancer in the era of immunotherapy.Frontiers in immunology · 2024Review
- Mechanistic Insights of Thyroid Cancer Progression.Endocrinology · 2023Review
- Mouse Models to Examine Differentiated Thyroid Cancer Pathogenesis: Recent Updates.International journal of molecular sciences · 2023Review
- Review
- Review article: new treatments for advanced differentiated thyroid cancers and potential mechanisms of drug resistance.Frontiers in endocrinology · 2023Review
- CDK4 phosphorylation status and rational use for combining CDK4/6 and BRAF/MEK inhibition in advanced thyroid carcinomas.Frontiers in endocrinology · 2023Article
- Kinase inhibitors in thyroid cancers.Endocrine oncology (Bristol, England) · 2023Review
- Molecular mechanisms of resistance to kinase inhibitors and redifferentiation in thyroid cancers.Endocrine-related cancer · 2022Review
- Article
- Fine-Tuning Lipid Metabolism by Targeting Mitochondria-Associated Acetyl-CoA-Carboxylase 2 inThyroid : official journal of the American Thyroid Association · 2021Article
- BRAF Inhibitors Induce Feedback Activation of RAS Pathway in Thyroid Cancer Cells.International journal of molecular sciences · 2021Article
- Acquired Secondary RAS Mutation in BRAFThyroid : official journal of the American Thyroid Association · 2020Article
Corrections and comments
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Authors and funding
18 authors at 9 institutions in 2 countries.
Funding
Abstract
BRAF(V600E) mutation exerts an essential oncogenic function in many tumors, including papillary thyroid carcinoma (PTC). Although BRAF(V600E) inhibitors are available, lack of response has been frequently observed. To study the mechanism underlying intrinsic resistance to the mutant BRAF(V600E) selective inhibitor vemurafenib, we established short-term primary cell cultures of human metastatic/recurrent BRAF(V600E)-PTC, intrathyroidal BRAF(V600E)-PTC, and normal thyroid (NT). We also generated an early intervention model of human BRAF(V600E)-PTC orthotopic mouse. We find that metastatic BRAF(V600E)-PTC cells elicit paracrine-signaling which trigger migration of pericytes, blood endothelial cells and lymphatic endothelial cells as compared to BRAF(WT)-PTC cells, and show a higher rate of invasion. We further show that vemurafenib therapy significantly suppresses these aberrant functions in non-metastatic BRAF(V600E)-PTC cells but lesser in metastatic BRAF(V600E)-PTC cells as compared to vehicle treatment. These results concur with similar folds of down-regulation of tumor microenvironment-associated pro-metastatic molecules, with no effects in BRAF(WT)-PTC and NT cells. Our early intervention preclinical trial shows that vemurafenib delays tumor growth in the orthotopic BRAF(WT/V600E)-PTC mice. Importantly, we identify high copy number gain of MCL1 (chromosome 1q) and loss of CDKN2A (P16, chromosome 9p) in metastatic BRAF(V600E)-PTC cells which are associated with resistance to vemurafenib treatment. Critically, we demonstrate that combined vemurafenib therapy with BCL2/MCL1 inhibitor increases metastatic BRAF(V600E)-PTC cell death and ameliorates response to vemurafenib treatment as compared to single agent treatment. In conclusion, short-term PTC and NT cultures offer a predictive model for evaluating therapeutic response in patients with PTC. Our PTC pre-clinical model suggests that combined targeted therapy might be an important therapeutic strategy for metastatic and refractory BRAF(V600E)-positive PTC.
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