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Transcriptome profiling of Anlotinib-resistant NCI-H1975 and Anlotinib-treated Anlotinib-resistant NCI-H1975

ABSTRACT: Transcriptome profiling of Anlotinib-resistant NCI-H1975 and Anlotinib-treated Anlotinib-resistant NCI-H1975

PROVIDER: PRJEB27916 | ENA |

REPOSITORIES: ENA

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Transcriptome profiling of Anlotinib-resistant NCI-H1975 and Anlotinib-treated Anlotinib-resistant NCI-H1975

Project description:Further to our previous study (E-MTAB-5997), here we performed transcriptome profiling on Anlotinib-resistant NCI-H1975 and Anlotinib-treated Anlotinib-resistant NCI-H1975, and would like to understand the effects of Anlotinib on Anlotinib-resistant NCI-H1975 cell, compare the different transcriptome profiling on NCI-H1975 cells and Anlotinib-resistant NCI-H1975 cells, sought to find the biomarker for explaining Anlotinib resistance.

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Chromatin accessibility analysis uncovers TFAP2A as a regulator on pro-angiogenesis of acquired resistance to anlotinib

Project description:Anlotinib, a multitarget agent a multi-target agent that inhibits tumor proliferation and angiogenesis, has been demonstrated to be effective for non-small cell lung cancer (NSCLC) at third-line or over third-line. However, the underlying mechanisms of anlotinib acquired-resistance is still unclear. Here we performed chromatin accessibility profiling on anlotinib-resistant NCI-H1975 and wild-type NCI-H1975. By integrating with transcriptome analysis, we found that anlotinib resistance was due to increased angiogenic capacity, and revealed that TFAP2A was involved in anlotinib resistance. Next, TFAP2A was knock-down in anlotinib-resistant cells and RNAseq was performed to see down-regulated genes with TFAP2A KD.

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Role of Anlotinib-induced CCL2 decrease in anti-angiogensis and response prediction for Non-Small Cell Lung Cancer therapy

Project description:Purpose: Our previous clinical trials have been demonstrated that Anlotinib can inhibit tumor growth upon refractory advanced non-small cell lung cancer (NSCLC) patients with the possibility mechanism of anti-angiogenesis. The present study sought to reveal the underlying molecular mechanism of Anlotinib-induced anti-angiogenesis in advanced NSCLC. Experimental Design: Computed tomography (CT) was used to evaluate the treatment effect of Anlotinib upon refractory advanced NSCLC patients. Transcriptome profiling was performed to identify the key gene expression alteration in NCI-H1975 cells before and after Anlotinib treatment. NCI-H1975 derived xenograft model was applied to investigate treatment effect and verify anti-angiogenesis mechanism of Anlotinib. Results: Anlotinib induces tumor cytotoxicity on refractory advanced NSCLC patients, NCI-H1975 derived xenograft models and lung adenocarcinoma cell lines. Transcriptome profiling revealed CCL2 blockade could be responsible for Anlotinib-induced anti-angiogenesis. NCI-H1975 derived xenograft model demonstrated Anlotinib-induced CCL2 blockade play an important role in anti-angiogenesis. Conclusions: This study not only offered the first evidence that Anlotinib inhibits angiogenesis via blocking CCL2 expression, but also provided a novel theoretical basis for the application of Anlotinib in advanced NSCLC patients.

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Human lung adenocarcinoma NCI-H1975 cells: parental vs cell lines resistant to the EGFR-TK inhibitor CNX-2006

Project description:Genome variation profiling of lung adenocarcinoma cells comparing untreated NCI-H1975 cells with CNX-2006-resistant untreated cells. Goal was to determine the potential mechanism of resistance to mutant EGFR-TKIs and rationally design novel strategies for the treatment of EGFR-mutant lung cancer patients. Two-condition experiment: NCI-H1975 parental cells vs CNX-2006-resistant cells. Pooled DNA from healthy volunteers was used as reference.

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Project description:Homo sapiens strain:NCI-H1975 Raw sequence reads

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