Induction of antioxidant enzymes by FAK in a human leukemic cell line, HL-60

Biochimica Et Biophysica Acta
Yoshiko SonodaTadashi Kasahara

Abstract

We have established several focal adhesion kinase (FAK) cDNA-transfected HL-60 (HL-60/FAK) cells which were highly resistant to oxidative stress-induced apoptosis. To identify target genes that are involved in HL-60/FAK cells, we performed cDNA microarray screening using apoptosis-chip. There, we identified the decrease of glutathione peroxidase (GPx). This result prompted us to investigate the changes of antioxidant enzymes. Here, we demonstrate that lipid peroxidation was suppressed after treatment with hydrogen peroxide in HL-60/FAK cells but not vector-transfected HL-60 (HL-60/Vect) cells. Furthermore, we demonstrate that HL-60/FAK cells have higher basal reactive oxygen species (ROS) levels than the parental HL-60 or HL-60/Vect cells, while ROS accumulation by hydrogen peroxide treatment was almost the same in these cells. Basal activity and mRNA expression of antioxidant enzymes, particularly of GSH reductase (GRe), phospholipid hydroperoxide glutathione peroxidase (PHGPx) were markedly elevated in HL-60/FAK cells. In contrast, GPx and catalase levels were decreased in HL-60/FAK cells. Further, a Src family kinases inhibitor, PP2, suppressed GRe and PHGPx mRNA by inactivation of FAK and c-Src in HL-60/FAK cells. These res...Continue Reading

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Citations

Mar 12, 2015·Yakugaku zasshi : Journal of the Pharmaceutical Society of Japan·Tadashi Kasahara
Jun 25, 2008·Progress in Neuro-psychopharmacology & Biological Psychiatry·Andreas Johannes SchmidtHelmut Vedder
Oct 15, 2005·Biochemical and Biophysical Research Communications·Hiroyuki HattoriYasuhito Nakagawa
Apr 11, 2013·Evidence-based Complementary and Alternative Medicine : ECAM·Fon-Chang LiuChieh-Hsi Wu
Aug 17, 2016·Oxidative Medicine and Cellular Longevity·Meriem H Ben-MahdiCatherine Pasquier
Nov 2, 2004·Biological & Pharmaceutical Bulletin·Ryoko UtsuboTadashi Kasahara
Jun 21, 2007·The Journal of Immunology : Official Journal of the American Association of Immunologists·John J RyanChristopher L Kepley

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Apoptosis

Apoptosis is a specific process that leads to programmed cell death through the activation of an evolutionary conserved intracellular pathway leading to pathognomic cellular changes distinct from cellular necrosis