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The microarray gene profiling analysis of glioblastoma cancer cells reveals genes affected by FAK inhibitor Y15 and combination of Y15 and temozolomide.

ABSTRACT: Focal adhesion is known to be highly expressed and activated in glioma cells. Recently, we demonstrated that FAK autophosphorylation inhibitor, Y15 significantly decreased tumor growth of DBTRG and U87 cells, especially in combination with temozolomide. In the present report, we performed gene expression analysis in these cells to reveal genes affected by Y15, temozolomide and combination of Y15 and temozolomide. We tested the effect of Y15 on gene expression by Illumina Human HT12v4 microarray assay and detected 8087 and 6555 genes, which were significantly either up- or down-regulated by Y15-treatment in DBTRG and U87 cells, respectively (p<0.05). Moreover, DBTRG and U87 cells treated with Y15 changed expression of 1332 and 462 genes more than 1.5 fold, p<0.05, respectively and had 237 common genes affected by Y15. The common genes up-regulated by Y15 included GADD45A, HSPA6 (heat-shock 70); DUSP1, DUSP 5 (dual-phosphatase 5); CDKN1A (p21) and common down-regulated genes included kinesins, such as KIF11, 14, 20A, 20B; topoisomerase II, TOP2A; cyclin F; cell cycle protein: BUB1; PARP1, POLA1. In addition, we detected genes affected by temozolomide and by combination of Y15 and temozolomide treatment in U87 cells. Among genes up-regulated by Y15 and temozolomide more significantly than by each agent alone were: COX7B; interferon, gamma-inducible transcript: IFI16; DDIT4; GADD45G and down-regulated: KIF3A, AKT1; ABL; JAK1, GLI3 and ALDH1A3. Thus, microarray gene expression analysis can be effective in establishing genes affected in response to FAK inhibitor alone and in response to combination of Y15 with temozolomide that is important for glioblastoma therapy.

SUBMITTER: Huang G

PROVIDER: S-EPMC3883957 | biostudies-literature | 2014 Jan

REPOSITORIES: biostudies-literature

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The microarray gene profiling analysis of glioblastoma cancer cells reveals genes affected by FAK inhibitor Y15 and combination of Y15 and temozolomide.

Huang Grace G Ho Baotran B Conroy Jeffrey J Liu Song S Qiang Hu H Golubovskaya Vita V

Anti-cancer agents in medicinal chemistry 20140101 1

Focal adhesion is known to be highly expressed and activated in glioma cells. Recently, we demonstrated that FAK autophosphorylation inhibitor, Y15 significantly decreased tumor growth of DBTRG and U87 cells, especially in combination with temozolomide. In the present report, we performed gene expression analysis in these cells to reveal genes affected by Y15, temozolomide and combination of Y15 and temozolomide. We tested the effect of Y15 on gene expression by Illumina Human HT12v4 microarray ...[more]

PMID: 23387973

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Project description:Focal adhesion kinase (FAK) is up-regulated in thyroid cancer and small molecule FAK scaffolding inhibitor, Y15, was shown to decrease cancer growth in vitro and in vivo. We sought to test the effectiveness of Y15 in thyroid cancer cell lines, profile gene expression with Y15 compared with clinical trial FAK inhibitor PF-04554878, and use Y15 in novel drug combinations. Cell viability was decreased in a dose dependent manner in four thyroid cancer cell lines with Y15 and with higher doses in PF-04554878. Y397 FAK and total FAK were decreased with Y15 and decreased less with PF-04554878. Detachment and necrosis were increased in a dose-dependent manner in all cell lines with Y15. Clonogenicity was decreased in a dose-dependent manner for both Y15 and PF-04554878. We compared gene profiles between papillary thyroid cell lines, TPC1, BCPAP and K1, and 380, 109, and 74 genes were significantly >2-fold changed with Y15 treatment, respectively. Common up-regulated genes were involved in apoptosis, cell cycle, transcription and heat shock; down-regulated genes were involved in cell cycle, cell-to-cell interactions, and cancer stem cell markers. We also compared gene profiles of TT cells treated with Y15 versus PF-04554878. Y15 caused 144 genes to change over 4 fold and PF-04554878 caused 208 gene changes >4-fold (p<0.05). Among genes changed 4 fold, 11 were shared between the treatments, including those involved in metabolism, cell cycle, migration and transcription. Y15 demonstrated synergy with PF-04554878 in TT cells and also synergy with Cabozantinib, Sorafenib, Pazopanib, and strong synergy with Sunitinib in resistant K1 cells. This report revealed the biological effect of Y15 inhibitor, detected the unique and common gene signature profiles in response to Y15 in 4 different thyroid cancer cell lines, demonstrated differential response changes with Y15 and PF-04554878 treatment, and showed the synergy of Y15 with PF-04554878, Cabozantinib, Sorafenib, Pazopanib, and Sunitinib.

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The microarray gene profiling analysis of glioblastoma cancer cells reveals genes affected by FAK inhibitor Y15 and combination of Y15 and temozolomide.

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The microarray gene profiling analysis of glioblastoma cancer cells reveals genes affected by FAK inhibitor Y15 and combination of Y15 and temozolomide.

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