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The FAK-Inhibitor BI 853520 exerts anti-tumor effects in breast cancer

ABSTRACT: The FAK-Inhibitor BI 853520 exerts anti-tumor effects in breast cancer

PROVIDER: PRJNA477312 | ENA |

REPOSITORIES: ENA

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The FAK-Inhibitor BI 853520 exerts anti-tumor effects in breast cancer

Project description:In order to delineate the molecular mechanisms leading to the therapeutic effect of BI 853520 on primary tumor growth, mice harboring 4T1 primary tumors were treated for five days with BI 853520, and RNA extracted from total tumors was subjected to next generation sequencing. Only primary tumors with sufficient RNA quality were included into further analysis (Suppl. Fig. 2A). Gene expression correlation analysis displayed a clear separation of transcriptomic profiles derived from primary tumors of mice treated with BI 853520 or vehicle (Suppl. Fig. 2B). Comparative gene expression analysis of primary tumors of mice treated with BI 853520 versus vehicle control revealed 1293 upregulated and 475 downregulated genes (cutoffs: p-value ≤ 0.05, fold change +/- 1.5). Functional enrichment analysis for biological processes and signaling pathways indicated that the regulation of epithelial cell proliferation, positive regulation of cell cycle/cell proliferation/cell division and regulation of cell proliferation/cell division/cell growth were enriched in genes downregulated by BI 853520 treatment (Fig. 3A). In line with this finding, gene set enrichment analysis confirmed a significant reduction in the relative expression of genes important for cell cycle and positive regulation of mitotic cell cycle (including cyclin-dependent kinase 1 and 4; Cdk1: log2 fold-change= -0.4519, FDR= 4.24e-03; Cdk4: log2 fold-change= -0.3072, FDR= 0.003718), while the negative regulation of cell proliferation was increased following BI 853520 treatment (Fig. 3C; Suppl. Fig. 2C).

2019-07-19 | GSE116117 | GEO

BRD4 inhibitor GNE987 exerts anti-cancer effects in Neuroblastoma

Project description:BRD4 inhibitor GNE987 exerts anti-cancer effects in Neuroblastoma

| PRJNA785569 | ENA

The FAK inhibitor BI 853520 exerts anti-tumor effects in breast cancer.

Project description: Not available

| S-EPMC6148276 | biostudies-literature

BRD4 inhibitor GNE987 exerts anti-cancer effects in Neuroblastoma (ChIP-Seq)

Project description:BRD4 inhibitor GNE987 exerts anti-cancer effects in Neuroblastoma (ChIP-Seq)

| PRJNA800647 | ENA

Next generation sequencing comparing effects of FFSS, FAK inhibitor and FAK gene deletion.

Project description:Purpose: The goals of this study are to compare the effect of FFSS, FAK inhibitor, and FAK gene deletion on gene expression of NGS-derived RNA-sequencing.

2019-10-31 | GSE139604 | GEO

Next generation sequencing comparing effects of FFSS, FAK inhibitor and FAK gene deletion.

Project description:Next generation sequencing comparing effects of FFSS, FAK inhibitor and FAK gene deletion.

| PRJNA580469 | ENA

Next generation sequencing comparing effects of FFSS, FAK inhibitor and FAK gene deletion. [FFSS]

Project description:Next generation sequencing comparing effects of FFSS, FAK inhibitor and FAK gene deletion. [FFSS]

| PRJNA603271 | ENA

Efficacy of the highly selective focal adhesion kinase inhibitor BI 853520 in adenocarcinoma xenograft models is linked to a mesenchymal tumor phenotype [miRNA]

Project description:microRNA expression profiling of untreated CDX samples and correlation with sensitivity data derived from treatments with BI 853520. Focal adhesion kinase (FAK), a non-receptor tyrosine kinase, has attracted interest as a target for pharmacological intervention in malignant diseases. Here, we describe BI 853520, a novel ATP-competitive inhibitor distinguished by high potency and selectivity. In vitro, the compound inhibits FAK autophosphorylation in PC-3 prostate carcinoma cells with an IC50 of 1 nmol/L and blocks anchorage-independent proliferation of PC-3 cells with an EC50 of 3 nmol/L, whereas cells grown in conventional surface culture are 1000-fold less sensitive. In mice, the compound shows long half-life, high volume of distribution and high oral bioavailability; oral dosing of immunodeficient mice bearing subcutaneous PC-3 prostate adenocarcinoma xenografts resulted in rapid, long-lasting repression of FAK autophosphorylation in tumor tissue. Daily oral administration of BI 853520 to nude mice at doses of 50 mg/kg was well tolerated for prolonged periods of time. In a diverse panel of 16 subcutaneous adenocarcinoma xenograft models in nude mice, drug treatment resulted in a broad spectrum of outcomes, ranging from group median tumor growth inhibition values >100% and tumor regression in subsets of animals to complete lack of sensitivity. Biomarker analysis indicated that high sensitivity is linked to a mesenchymal tumor phenotype, initially defined by loss of E-cadherin expression and subsequently substantiated by gene set enrichment analysis. Further, we obtained microRNA expression profiles for 13 models and observed that hsa-miR-200c-3p expression is strongly correlated with efficacy (R2 = 0.889). BI 853520 is undergoing evaluation in early clinical trials.

2018-02-27 | GSE109301 | GEO

Efficacy of the highly selective focal adhesion kinase inhibitor BI 853520 in adenocarcinoma xenograft models is linked to a mesenchymal tumor phenotype [mRNA]

Project description:mRNA expression profiling of untreated CDX samples and correlation with sensitivity data derived from treatments with BI 853520. Focal adhesion kinase (FAK), a non-receptor tyrosine kinase, has attracted interest as a target for pharmacological intervention in malignant diseases. Here, we describe BI 853520, a novel ATP-competitive inhibitor distinguished by high potency and selectivity. In vitro, the compound inhibits FAK autophosphorylation in PC-3 prostate carcinoma cells with an IC50 of 1 nmol/L and blocks anchorage-independent proliferation of PC-3 cells with an EC50 of 3 nmol/L, whereas cells grown in conventional surface culture are 1000-fold less sensitive. In mice, the compound shows long half-life, high volume of distribution and high oral bioavailability; oral dosing of immunodeficient mice bearing subcutaneous PC-3 prostate adenocarcinoma xenografts resulted in rapid, long-lasting repression of FAK autophosphorylation in tumor tissue. Daily oral administration of BI 853520 to nude mice at doses of 50 mg/kg was well tolerated for prolonged periods of time. In a diverse panel of 16 subcutaneous adenocarcinoma xenograft models in nude mice, drug treatment resulted in a broad spectrum of outcomes, ranging from group median tumor growth inhibition values >100% and tumor regression in subsets of animals to complete lack of sensitivity. Biomarker analysis indicated that high sensitivity is linked to a mesenchymal tumor phenotype, initially defined by loss of E-cadherin expression and subsequently substantiated by gene set enrichment analysis. Further, we obtained microRNA expression profiles for 13 models and observed that hsa-miR-200c-3p expression is strongly correlated with efficacy (R2 = 0.889). BI 853520 is undergoing evaluation in early clinical trials.

2018-02-27 | GSE109302 | GEO

FAK activity sustains intrinsic and acquired ovarian cancer resistance to platinum chemotherapy [KMF parental, KMF clone KT13 (FAK-/-), KT13 + GFP-FAK, KT13 + GFP-FAK R454, and KT13 + deltaGSK beta-catenin]

Project description:Gene copy number changes, cancer stem cell (CSC) increases, and platinum chemotherapy resistance contribute to poor prognosis in patients with recurrent high grade serous ovarian cancer (HGSOC). CSC phenotypes involving Wnt-b-catenin and aldehyde dehydrogenase activities, platinum resistance, and tumor initiating frequency are here associated with spontaneous genetic gains, including genes encoding KRAS, MYC and FAK, in a new murine model of ovarian cancer (KMF). Noncanonical FAK signaling was sufficient to sustain human and KMF tumorsphere proliferation, CSC survival, and platinum resistance. Increased FAK tyrosine phosphorylation occurred in HGSOC patient tumors surviving neo-adjuvant platinum and paclitaxel chemotherapy and platinum resistant tumorspheres acquired FAK dependence for growth. Importantly, combining a pharmacologic FAK inhibitor with platinum overcame chemoresistance and triggered apoptosis in vitro and in vivo. Knockout, rescue, genomic and transcriptomic analyses collectively identified more than 400 genes regulated along a FAK/b-catenin/Myc axis impacting stemness and DNA repair in HGSOC, with 66 genes gained in a majority of Cancer Genome Atlas samples. Together, these results support combinatorial testing of FAK inhibitors for the treatment of recurrent ovarian cancer.

2019-07-01 | GSE129098 | GEO

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