Nordy, a synthetic lipoxygenase inhibitor, inhibits the expression of formylpeptide receptor and induces differentiation of malignant glioma cells

Biochemical and Biophysical Research Communications
Jian-Hong ChenXiang-Dong Zhou

Abstract

We recently found that formylpeptide receptor (FPR), a G-protein-coupled receptor that mediates chemotaxis of phagocytic leukocytes induced by bacterial peptide N-formyl-methionyl-leucyl-phenylalanine, is expressed by malignant human glioma cells and promotes tumor growth and angiogenesis. In this study, we examined the effect of Nordy, a novel chiral lipoxygenase inhibitor which was synthesized based on the structure of a natural nordihydroguaiaretic acid, on the expression of FPR by human glioblastoma cells. We found that FPR was expressed at the protein level by highly malignant human glioma cell lines U87 and BT325, and a rat glioma cell line C6. The expression level of FPR was correlated with the degree of the malignancy of tumor cells. The poorly differentiated glioma cell line U87 expressed the highest level of FPR. In U87 glioma cells, the expression of FPR was attenuated at the protein level by Nordy treatment for 48 (P<0.05). Nordy did not affect FPR mRNA expression in U87 cells. In addition, Nordy treatment seemed to promote glioma cell differentiation, as evidenced by their reduced expression of vimentin and increased expression of GFAP. Our results suggest that Nordy was capable of reducing the level of malignancy ...Continue Reading

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Citations

Jan 27, 2016·Journal of Drug Targeting·Xing HuaQinghai Chen
May 14, 2016·Microcirculation : the Official Journal of the Microcirculatory Society, Inc·Kazuhide S OkudaVyomesh Patel
Aug 31, 2017·Neurochemical Research·Georg Karpel-MasslerCarsten Bolm
May 16, 2017·Laboratory Investigation; a Journal of Technical Methods and Pathology·Qi-Wen ZhaoXiu-Wu Bian

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