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Capmatinib shows superior efficacy for MET-fusion driven pediatric high-grade glioma and synergizes with radiotherapy.

ABSTRACT: Capmatinib shows superior efficacy for MET-fusion driven pediatric high-grade glioma and synergizes with radiotherapy.

PROVIDER: PRJNA1060685 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR26842026_1.fastq.gz	Fastqsanger.gz
	SRR26842026_2.fastq.gz	Fastqsanger.gz
	SRR26842027_1.fastq.gz	Fastqsanger.gz
	SRR26842027_2.fastq.gz	Fastqsanger.gz
	SRR26842028_1.fastq.gz	Fastqsanger.gz

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Similar Datasets

Capmatinib shows superior efficacy for MET-fusion driven pediatric high-grade glioma and synergizes with radiotherapy [RNA-seq]

Project description:Pediatric high-grade glioma (pHGG) is the most frequent malignant brain tumor in children and can be subclassified into multiple entities. Fusion genes activating the MET receptor tyrosine kinase often occur in infant-type hemispheric glioma (iHG) but also in other pHGGs, and are associated with devastating morbidity and mortality. To identify new treatment options, we established and characterized two novel orthotopic mouse models harboring distinct MET fusions. These included an immunocompetent, murine allograft model and patient-derived orthotopic xenografts (PDOX) from a MET-fusion iHG patient who failed conventional therapy and targeted therapy with cabozantinib. With these models, we analyzed the efficacy and pharmacokinetic properties of three MET inhibitors, capmatinib, crizotinib and cabozantinib, alone or combined with radiotherapy (RT). The PDOX models recapitulated the poor efficacy of cabozantinib experienced by the patient. In contrast, capmatinib showed superior brain pharmacokinetic properties and greater in vitro and in vivo efficacy than cabozantinib or crizotinib. Strikingly, capmatinib treated mice displayed long-term progression-free survival (PFS) when combined with radiotherapy in two complementary mouse models. Molecular analysis of the treated tumors revealed impaired DNA repair after MET inhibition as a plausible mechanism of radiosensitization. We comprehensively investigated the combination of MET inhibition and radiotherapy as a novel treatment option for MET-driven pHGG. Our seminal preclinical data package includes pharmacokinetic characterization, recapitulation of clinical outcomes, coinciding results from multiple complementing in vivo studies and a plausible molecular mechanism. We thereby demonstrate the groundbreaking efficacy of capmatinib and radiation, as a highly promising concept for future clinical trials.

2024-06-12 | GSE247864 | GEO

Capmatinib shows superior efficacy for MET-fusion driven pediatric high-grade glioma and synergizes with radiotherapy (mouse methylation array)

Project description:Background: Pediatric high-grade glioma (pHGG) is the most frequent malignant brain tumor in children and can be subclassified into multiple entities. Fusion genes activating the MET receptor tyrosine kinase often occur in infant-type hemispheric glioma (IHG) but also in other pHGGs, and are associated with devastating morbidity and mortality. Methods: To identify new treatment options, we established and characterized two novel orthotopic mouse models harboring distinct MET fusions. These included an immunocompetent, murine allograft model and patient-derived orthotopic xenografts (PDOX) from a MET-fusion iHG patient who failed conventional therapy and targeted therapy with cabozantinib. With these models, we analyzed the efficacy and pharmacokinetic properties of three MET inhibitors, capmatinib, crizotinib and cabozantinib, alone or combined with radiotherapy (RT). Results: The PDOX models recapitulated the poor efficacy of cabozantinib experienced by the patient. In contrast, capmatinib showed superior brain pharmacokinetic properties and greater in vitro and in vivo efficacy than cabozantinib or crizotinib. Strikingly, capmatinib treated mice displayed long-term progression-free survival (PFS) when combined with radiotherapy in two complementary mouse models. Molecular analysis of the treated tumors revealed impaired DNA repair after MET inhibition as a plausible mechanism of radiosensitization Conclusions: We comprehensively investigated the combination of MET inhibition and radiotherapy as a novel treatment option for MET-driven pHGG. Our seminal preclinical data package includes pharmacokinetic characterization, recapitulation of clinical outcomes, coinciding results from multiple complementing in vivo studies and a plausible molecular mechanism. We thereby demonstrate the groundbreaking efficacy of capmatinib and radiation, as a highly promising concept for future clinical trials.

2024-06-12 | GSE252500 | GEO

Capmatinib shows superior efficacy for MET-fusion driven pediatric high-grade glioma and synergizes with radiotherapy [human methylation array]

2024-06-12 | GSE252458 | GEO

Capmatinib shows superior efficacy for MET-fusion driven pediatric high-grade glioma and synergizes with radiotherapy [RNA-seq]

Project description:Capmatinib shows superior efficacy for MET-fusion driven pediatric high-grade glioma and synergizes with radiotherapy [RNA-seq]

| PRJNA1040829 | ENA

Capmatinib shows superior efficacy for MET-fusion driven pediatric high-grade glioma and synergizes with radiotherapy [human methylation array]

Project description:Capmatinib shows superior efficacy for MET-fusion driven pediatric high-grade glioma and synergizes with radiotherapy [human methylation array]

| PRJNA1060692 | ENA

Capmatinib shows superior efficacy for MET-fusion driven pediatric high-grade glioma and synergizes with radiotherapy (mouse methylation array)

Project description:Capmatinib shows superior efficacy for MET-fusion driven pediatric high-grade glioma and synergizes with radiotherapy (mouse methylation array)

| PRJNA1060771 | ENA

Capmatinib shows superior efficacy for MET-fusion driven pediatric high-grade glioma and synergizes with radiotherapy.

Project description:This SuperSeries is composed of the SubSeries listed below.

2024-06-12 | GSE252459 | GEO

Acquired resistance mechanisms to capmatinib, a MET inhibitor in MET-amplified non-small cell lung cancer cells

Project description:Purpose: MET is a receptor tyrosine kinase (RTK) that has been considered a druggable target in non-small cell lung cancer (NSCLC). To understand the mechanisms of resistance to MET-TKIs and establish therapeutic strategies, we developed an in vitro model using capmatinib-resistant cell lines (EBC-CR1, CR2, and CR3) derived from the MET-amplified NSCLC cell line EBC-1. Methods: We established capmatinib-resistant NSCLC cell lines from the MET-amplified NSCLC cell line EBC-1 and identified alternative signaling pathways using 3’mRNA sequencing and human phospho-RTK arrays. Copy number alterations were evaluated by quantitative PCR and cell proliferation assay; activation of RTKs and downstream effectors were compared between the parental cell line EBC-1 and the EBC-CR1, -CR2, and -CR3 resistant cell lines. Results: We found that epidermal growth factor (EGFR) mRNA expression and protein activation were increased in EBC-CR1–3 cells compared to EBC-1 cells. EBC-CR1 cells showed EGFR-dependent growth and sensitivity to afatinib, an irreversible EGFR TKI. EBC-CR2 cells, which overexpressed the EGFR-MET heterodimer, responded dramatically to the combination of capmatinib and the phosphoinositide-3 kinase catalytic subunit α (PIK3CA) inhibitor afatinib. In addition, EBC-CR3 cells, which had activated EGFR along with amplified PIK3CA, were sensitive to the combination of afatinib and the PI3Kα inhibitor. Conclusions: Our in vitro studies suggested that activation of EGFR signaling and/or genetic alteration of downstream effectors like PIK3CA were alternative resistance mechanisms used by capmatinib-resistant NSCLC cell lines. In addition, combined treatments with MET, EGFR, and PI3Kα inhibitors may be an effective therapeutic strategy in MET-TKI-resistant NSCLC patients.

2017-05-01 | GSE94405 | GEO

Effect of p53 knockout on gene expression during capmatinib treatment of NF1-MET murine MPNST cells

Project description:To investigate the function of p53 in regulating response to MET inhibition in MPNST cells we established NF1-MET;sgP53 cells in which Trp53 was knocked out using CRISPR-Cas9. As a control, the parental NF1-MET was transduced with CRISPR-Cas9 in the absence of sgRNA. We then performed gene expression profiling analysis using data obtained from RNA-seq of the 2 different cells treated with either capmatinib or vehicle in duplicate.

2024-03-14 | GSE225747 | GEO

Combined pitavastatin and capmatinib inhibits tumor growth though completed shutdown of MET signal

Project description:To reveal the function of pitavastatin in cancer, we performed several experiments. In the present study, we show that pitavastatin inhibits the tumor growth through the inactivation of ERK and AKT signals by MET immaturation, and combination of pitavastatin and capmatinib, a MET inhibitor, might be useful cancer therapy in OSCC and ESCC. It could be reduced the dose of pitavastatin by using this combination therapy, resulting in decreasing the risk of adverse events such as myopathy. Taken together, the mevalonate pathway regulates the processes of MET maturation and promotes the cell growth in cancer. Moreover, the expression of GGPS1, an enzyme that synthesizes geranylgeranyl pyrophosphate (GGPP) from farnesyl pyrophosphate (FPP), associates with the sensitivity of pitavastatin, suggesting that GGPS1 could be a biomarker in cancer therapy with pitavastatin. Identification of the function of pitavastatin in oral and esophageal squamous cell carcinoma.

2021-02-19 | GSE145624 | GEO

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