EGFR-dependent signalling reduced and p38 dependent apoptosis required by Gallic acid in Malignant Mesothelioma cells

被引:12
作者
Demiroglu-Zergeroglu, Asuman [1 ]
Candemir, Gulsife [1 ]
Turhanlar, Ebru [1 ]
Sagir, Fatma [1 ]
Ayvali, Nurettin [1 ]
机构
[1] Gebze Tech Univ, Dept Mol Biol & Genet, Istanbul Yolu, TR-41400 Gebze, Turkey
关键词
Mesothelioma; Gallic acid; EGFR; MAPK; AKT; Caspases; CANCER CELLS; KINASE; INHIBITION; GROWTH; TUMORIGENESIS; EXPRESSION; INDUCTION; PATHWAYS; DAMAGE; DNA;
D O I
10.1016/j.biopha.2016.11.005
中图分类号
R-3 [医学研究方法]; R3 [基础医学];
学科分类号
1001 ;
摘要
The unrestrained EGFR signalling contributes to malignant phenotype in a number of cancers including Malignant Mesotheliomas. Present study was designed to evaluate EGFR-dependent anti-proliferative and apoptotic effects of Gallic acid in transformed Mesothelial (MeT-5A) and Malignant Mesothelioma (SPC212) cells. Gallic acid reduced the viability of Malignant Mesothelioma cells in a concentration and time-dependent manner. However, viability of mesothelial cells reduced only at high concentration and longer time periods. Gallic acid restrained the activation of EGFR, ERK1/2 and AKT proteins and down regulated expression of Cyclin D and Bcl-2 genes, but upregulated the expression of p21 gene in EGF-induced SPC212 cells. GA-induced transitory G1 arrest and triggered mitochondrial and death receptor mediated apoptosis, which requires p38MAPK activation. The data provided here indicate that GA is able to inhibit EGFR dependent proliferation and survival signals and induces p38 pathway dependent apoptosis in Malignant Mesothelioma cells. On the basis of these experimental findings it is worthwhile to investigate further the biological activity of Gallic acid on other Mesothelioma cell lines harbouring aberrant EGFR signals. (C) 2016 Elsevier Masson SAS. All rights reserved.
引用
收藏
页码:2000 / 2007
页数:8
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