Next generation sequencing comparing effects of FFSS, FAK inhibitor and FAK gene deletion.
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PROVIDER: PRJNA580469 | ENA |
REPOSITORIES: ENA
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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.
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Project description:Next generation sequencing comparing effects of FFSS, FAK inhibitor and FAK gene deletion. [FFSS]
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Project description:Mutated KRAS serves as the oncogenic driver in 30% of non-small cell lung cancers (NSCLCs) and is associated with metastatic and therapy-resistant tumors. Focal Adhesion Kinase (FAK) acts as a mediator in sustaining KRAS-driven lung tumors, and although FAK inhibitors are currently undergoing clinical development, clinical data indicated that their efficacy in producing long-term anti-tumor responses is limited. Here we revealed two FAK interactors, extracellular-signal-regulated kinase 5 (ERK5) and cyclin-dependent kinase 5 (CDK5) as key players underlying FAK-mediated maintenance of KRAS mutant NSCLC. Inhibition of ERK5 and CDK5 synergistically suppressed FAK function, decreased proliferation and induced apoptosis owing to exacerbated ROS-induced DNA damage. Accordingly, concomitant pharmacological inhibition of ERK5 and CDK5 in a mouse model of KrasG12D-driven lung adenocarcinoma suppressed tumor progression and promoted cancer cell death. Cancer cells resistant to FAK inhibitors showed enhanced ERK5-FAK signaling dampening DNA damage. Notably, ERK5 inhibition prevents resistance to FAK inhibitors, significantly enhancing the efficacy of antitumor responses. Therefore, we propose ERK5 inhibition as a potential co-targeting strategy to counteract FAK inhibitor resistance in NSCLC.
2024-09-16 | GSE255628 | GEO
Project description:Mutated KRAS serves as the oncogenic driver in 30% of non-small cell lung cancers (NSCLCs) and is associated with metastatic and therapy-resistant tumors. Focal Adhesion Kinase (FAK) acts as a mediator in sustaining KRAS-driven lung tumors, and although FAK inhibitors are currently undergoing clinical development, clinical data indicated that their efficacy in producing long-term anti-tumor responses is limited. Here we revealed two FAK interactors, extracellular-signal-regulated kinase 5 (ERK5) and cyclin-dependent kinase 5 (CDK5) as key players underlying FAK-mediated maintenance of KRAS mutant NSCLC. Inhibition of ERK5 and CDK5 synergistically suppressed FAK function, decreased proliferation and induced apoptosis owing to exacerbated ROS-induced DNA damage. Accordingly, concomitant pharmacological inhibition of ERK5 and CDK5 in a mouse model of KrasG12D-driven lung adenocarcinoma suppressed tumor progression and promoted cancer cell death. Cancer cells resistant to FAK inhibitors showed enhanced ERK5-FAK signaling dampening DNA damage. Notably, ERK5 inhibition prevents resistance to FAK inhibitors, significantly enhancing the efficacy of antitumor responses. Therefore, we propose ERK5 inhibition as a potential co-targeting strategy to counteract FAK inhibitor resistance in NSCLC.
2024-09-16 | GSE255643 | GEO
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
Project description:Human foreskin fibroblast cells were spread on fibronectin (FN) for 1 h and treated with DMSO or FAK inhibitor (3 uM, AZ13256675 (termed AZ675 for short)) for 1 h. Integrin-associated adhesion complexes isolated from these cells were analysed by mass spectrometry to determine changes in adhesion complex composition upon FAK inhibition. As a negative control, complexes were also isolated from cells attached to transferrin (Tf), which allows integrin-independent adhesion via the transferrin receptor.
2016-08-23 | MSV000080089 | MassIVE
Project description:Purpose: Focal adhesion kinase (FAK), hyaluronan (HA), and hyaluronan synthase-3 (HAS3) have been implicated in cancer growth and progression. FAK inhibition with the small molecule inhibitor Y15 decreases colon cancer cell growth in vitro and in vivo. HAS3 inhibition in colon cancer cells decreases FAK expression and activation, and exogenous HA increases FAK activation. We sought to determine the genes affected by HAS and FAK inhibition and hypothesized that dual inhibition would synergistically inhibit viability. Methods: We treated SW620 colon cancer cells with Y15 to inhibit FAK. We used two strategies to inhibit HAS: (1) cells were transfected with siRNA (HAS3 inhibited); a scrambled sequence was used as a control (HAS3 scrambled), and (2) cells were treated with the HAS inhibitor 4-methylumbelliferone (4-MU). To determine the effect on viability, MTT assays were performed on transfected cells treated with Y15, and wild type cells treated with Y15 alone, 4-MU alone or Y15+4-MU. Treated and untreated cells were submitted to the gene microarray facility for expression profiling. RT-PCR was done to confirm the results. Results: HAS and FAK inhibition affected cell viability. Y15 and 4-MU decreased viability in a dose-dependent manner; viability was further inhibited by treatment with Y15+4-MU in combination (p<0.05). HAS-inhibited cells treated with as little as 2 M of Y15 showed significantly decreased viability compared to HAS scrambled cells treated with the same dose (p<0.05), suggesting synergistic inhibition of viability with dual FAK/HAS inhibition. Microarray analysis showed more than 2-fold up- or down-regulation of 121 genes by HAS inhibition, and 696 genes by FAK inhibition (p<0.05). Of 29 genes that were common to both groups, 9 were down-regulated (CBS, DHRS3, EEPD1, ESPN, FAM46C, GRTP1, IL20RA, INHBE, SCNN1A) and 4 were up-regulated (ANXA1, MALL, RGS2, SNAI2). RT-PCR confirmed these findings. Among the genes affected by FAK or HAS3 inhibition were FOX genes (apoptosis, cell cycle regulation), ANXA1 (apoptosis, proliferation), IL8 (cell cycle regulation, adhesion, proliferation), RGS2 (cell cycle regulation), CEACAM6 (adhesion), SNAI2 (transcription regulation), and SFRP5 (apoptosis). Several genes were specific to either FAK or HAS3 inhibition and several were common to both. Gene expression profiles of samples isolated from human colorectal cancer cells (SW620). A comparison of gene expression between untreated cells and cells treated with 4mcM of Y15. A second comparison between cells transfected with siRNA to HAS3 (HAS3-silenced) and cells transfected with a scrambled control sequence (sc). Two replicates each.
2013-06-01 | E-GEOD-39168 | biostudies-arrayexpress
Project description:MEF2D was involved in metastasis of liver cancer through regulation of ECM signal including FAK.
2024-01-03 | GSE224425 | GEO
Project description:Human foreskin fibroblast cells were spread on fibronectin (FN) for 1 h and treated with DMSO or FAK inhibitor (3 uM, AZ13256675 (termed AZ675 for short)) for 1 h. Integrin-associated adhesion complexes isolated from these cells were analysed by mass spectrometry to determine changes in adhesion complex composition upon FAK inhibition. As a negative control, complexes were also isolated from cells attached to transferrin (Tf), which allows integrin-independent adhesion via the transferrin receptor.
2016-02-02 | PXD002720 | Pride