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Anti-cancer effect and gene modulation of ET-743 in human biliary tract carcinoma preclinical models

ABSTRACT: Transcriptional profiling of EGI-1 xenografts and patient derived xenografts CHC001 PDX after treatment with ET-743

ORGANISM(S): Homo sapiens

PROVIDER: GSE63043 | GEO | 2017/02/09

SECONDARY ACCESSION(S): PRJNA266509

REPOSITORIES: GEO

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Anti-cancer effect and gene modulation of ET-743 in human biliary tract carcinoma preclinical models.

Project description: Not available

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Gene and microRNA modulation upon ET-743 treatment in a human intrahepatic cholangiocarcinoma paired patient derived xenograft and cell line [gene expression]

Project description:Transcriptional profiling and microRNA profiling of paired PDX and derived cell line MT-CHC01 upon ET-743 treatement Intrahepatic cholangiocarcinoma (ICC) is an aggressive and lethal malignancy with limited therapeutic options. ET-743 has a high antitumor activity in preclinical models of biliary tract carcinoma (BTC), being a promising alternative treatment. Here, we studied the effect of ET-743 at transcriptomic level on an ICC patient derived xenograft (PDX) and on the derived cell line, MT-CHC01. Further, putative targets of ET-743 were explored in the in vitro model. In vitro, ET-743 inhibited genes involved in protein modification, neurogenesis, migration, and motility; it induced the expression of genes involved in keratinization, tissues development, and apoptotic processes. In the PDX model, ET-743 affected ECM-receptor interaction, focal adhesion, complement and coagulation cascades, Hedgehog, MAPK, EGFR signaling via PIP3 pathway, and apoptosis. In MT-CHC01, 24 microRNAs were deregulated upon drug treatment. Only 5 microRNAs were perturbed by ET-743 in PDX; 2 up and 3 down-regulated. Among down- regulated genes, we selected SYK and LGALS1; their silencing caused a significantly reduction of migration, but did not affect proliferation in MT-CHC01 and WITT cells. In conclusion, we described that ET-743 affected genes and microRNAs involved in tumor progression and metastatic processes, reflecting data previously obtained at macroscopically level; in particular, we identified SYK and LGALS1 as new putative targets of ET-743.

2017-06-10 | GSE84918 | GEO

Gene and microRNA modulation upon ET-743 treatment in a human intrahepatic cholangiocarcinoma paired patient derived xenograft and cell line [miRNA expression]

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Expression data from human chondrosarcoma cells resistance to ET-743 and PM00104

Project description:ET-743 (trabectedin, Yondelis®) and PM00104 (Zalypsis®) are marine derived compounds that have antitumor activity. ET-743 and PM00104 exposure over sustained periods of treatment will result in the development of drug resistance, but the mechanisms which lead to resistance are not yet understood. Human chondrosarcoma cell lines resistant to ET-743 (CS-1/ER) or PM00104 (CS-1/PR) were established in this study. The CS-1/ER and CS-1/PR exhibited cross resistance to cisplatin and methotrexate but not to doxorubicin. Human Affymetrix Gene Chip arrays were used to examine relative gene expression in these cell lines.

2009-06-24 | GSE16748 | GEO

Transcription profiling of human chondrosarcoma cells resistant to ET-743 and PM00104

Project description:ET-743 (trabectedin, YondelisÂ®) and PM00104 (ZalypsisÂ®) are marine derived compounds that have antitumor activity. ET-743 and PM00104 exposure over sustained periods of treatment will result in the development of drug resistance, but the mechanisms which lead to resistance are not yet understood. Human chondrosarcoma cell lines resistant to ET-743 (CS-1/ER) or PM00104 (CS-1/PR) were established in this study. The CS-1/ER and CS-1/PR exhibited cross resistance to cisplatin and methotrexate but not to doxorubicin. Human Affymetrix Gene Chip arrays were used to examine relative gene expression in these cell lines. Experiment Overall Design: Three samples CS-1/ER, CS-1/PR and CS-1 were compared.

2009-07-05 | E-GEOD-16748 | biostudies-arrayexpress

Zea mays cultivar:RSQ-743

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Acinetobacter sp. WC-743

Project description:Acinetobacter sp. WC-743 Genome sequencing and assembly

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Characterization of a large panel of patient-derived hepatocellular carcinoma xenograft tumor models for preclinical development

Project description:We have generated a collection of patient-derived xenograft (PDX) tumor models and characterized them at the molecular level to facilitate precision oncology. Surgically resected HCC specimens were subcutaneously implanted in immunodeficient mice. Resulting xenografts were serially implanted to establish transplantable PDX models, which were sequentially subject to whole exome sequencing (WES), gene expression array, genome-wide human single nucleotide polymorphism (SNP) array 6.0, and serum a–fetoprotein (AFP) detection assay. The feasibility as a preclinical model was validated by efficacy studies using a standard-of-care (SOC) and a targeted agent, respectively.

2014-03-13 | E-GEOD-55828 | biostudies-arrayexpress

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EGI-1 cell line treated with Saracatinib vs EGI-1 cell line untreated; EGI-1 xenograft treated with Saracatinib vs EGI-1 untreated

Project description:Biliary tract carcinoma (BTC) has a poor prognosis due to limited treatment options. There is therefore urgent need to identify new targets and to design innovative therapeutic approaches. Among potential candidate molecules, we evaluated the non-receptor tyrosine kinase Src, observing promising antitumor effects of its small molecule inhibitor Saracatinib in BTC preclinical models. The presence of an active Src protein was investigated by immunohistochemistry in 19 surgical samples from BTC patients. Upon Saracatinib treatment, the phosphorylation of Src and of its downstream transducers was evaluated in the BTC cell lines TFK-1, EGI-1, HuH28 and TGBC1-TKB. The effect of Saracatinib on proliferation and migration was analyzed in these same cell lines, and its antitumor activity was essayed in EGI-1 mouse xenografts. Saracatinib-modulated transcriptome was profiled in EGI-1 cells and in tumor samples of the xenograft model. Src was activated in about 80% of the human BTC samples. In cultured BTC cell lines, low-dose Saracatinib counteracted the activation of Src and of its downstream effectors, increased the fraction of cells in G0/G1 phase, and inhibited cell migration. At high concentrations (median dose from 2.26 to 6.99 µM), Saracatinib was also capable of inhibiting BTC cell proliferation. In vivo, Saracatinib treatment resulted in delayed tumor growth, associated with an impaired vascular network. We here provide a demonstration that the targeted inhibition of Src kinase by Saracatinib is of therapeutic benefit in preclinical models of BTC. We propose our results as a basis for the design of Saracatinib-based clinical applications. EGI-1 cell line treated with Saracatinib at the dose of 10 µM vs EGI-1 cell line untreated; EGI-1 xenograft treated with Saracatinib at the dose of 25 mg/Kg/die vs EGI-1 xenograft untreated Transcriptional alteration mediated by Saracatinib in vitro and in vivo

2012-08-02 | E-GEOD-36622 | biostudies-arrayexpress

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