Research Topics
| F OkadaSummaryAffiliation: Yamagata University Country: Japan Publications
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Detail Information
Publications
Fundamental roles of reactive oxygen species and protective mechanisms in the female reproductive systemJunichi Fujii
Department of Biomolecular Function, Yamagata University Graduate School of Medicine, 2 2 2 Iidanishi, Yamagata 990 9585, Japan
Reprod Biol Endocrinol 3:43. 2005..Thus, many antioxidative and redox enzyme genes are expressed and aggressively protect gametes and embryos in reproductive systems...
Prevention of inflammation-mediated acquisition of metastatic properties of benign mouse fibrosarcoma cells by administration of an orally available superoxide dismutaseF Okada
Department of Biomolecular Function, Graduate School of Medical Science, Yamagata University, 2 2 2, Iidanishi, Yamagata 990 9585, Japan
Br J Cancer 94:854-62. 2006..These results suggested that the orally active SOD derivative prevented tumour progression promoted by inflammation, which is thought to be through scavenging inflammatory cell-derived superoxide anion...
Involvement of reactive nitrogen oxides for acquisition of metastatic properties of benign tumors in a model of inflammation-based tumor progressionFutoshi Okada
Department of Biomolecular Function, Graduate School of Medical Science, Yamagata University, Yamagata 990 9585, Japan
Nitric Oxide 14:122-9. 2006..These results showed that nitric oxide and its reactive nitrogen oxide species cooperatively play a pivotal role in the progression of benign tumor cells in inflamed lesions...
Deterioration of ischemia/reperfusion-induced acute renal failure in SOD1-deficient miceTakuya Yamanobe
Department of Biomolecular Function, Graduate School of Medical Science, Yamagata University, 2 2 2 Iidanishi, Yamagata, 990 9585, Japan
Free Radic Res 41:200-7. 2007..Thus, the increased ARF in SOD1-/- mice appears to be mainly attributable to a deficiency in CuZnSOD. These data support the view that ROS are exacerbating factors in ischemia/reperfusion-induced ARF...
Elevated oxidative stress in erythrocytes due to a SOD1 deficiency causes anaemia and triggers autoantibody productionYoshihito Iuchi
Department of Biomolecular Function, Graduate School of Medical Science, Yamagata University, Yamagata, Japan
Biochem J 402:219-27. 2007....
Thymosin-beta4 regulates motility and metastasis of malignant mouse fibrosarcoma cellsTokushige Kobayashi
Division of Cancer Pathobiology, Research Section of Pathophysiology, Hokkaido University, Sapporo, Japan
Am J Pathol 160:869-82. 2002..These findings indicate that thymosin-beta4 molecule regulates fibrosarcoma cell tumorigenicity and metastasis through actin-based cytoskeletal organization...
Beyond foreign-body-induced carcinogenesis: impact of reactive oxygen species derived from inflammatory cells in tumorigenic conversion and tumor progressionFutoshi Okada
Department of Biomolecular Function, Graduate School of Medical Science, Yamagata University, Yamagata, Japan
Int J Cancer 121:2364-72. 2007....
Proteomic profiling for cancer progression: Differential display analysis for the expression of intracellular proteins between regressive and progressive cancer cell linesEiko Hayashi
Department of Biochemistry and Biomolecular Recognition, Yamaguchi University School of Medicine, Ube, Japan
Proteomics 5:1024-32. 2005..The results suggest an important complementary role for proteomics in identification of molecular abnormalities in tumor progression...
Inhibition of Akt kinase activity by a peptide spanning the betaA strand of the proto-oncogene TCL1Makoto Hiromura
Division of Cancer Biology, Institute for Genetic Medicine, Hokkaido University, Sapporo, Japan
J Biol Chem 279:53407-18. 2004..This observation will facilitate the design of specific inhibitors for Akt, a core intracellular survival factor underlying various human neoplastic diseases...
Infiltration of neutrophils is required for acquisition of metastatic phenotype of benign murine fibrosarcoma cells: implication of inflammation-associated carcinogenesis and tumor progressionHiroshi Tazawa
Divisions of Cancer Pathobiology and Cancer-Related Genes Research, Institute for Genetic Medicine, Hokkaido University, Sapporo, Japan
Am J Pathol 163:2221-32. 2003..These results suggested that inflammation, especially when neutrophils infiltrate into tumor tissue, is primarily important for benign tumor cells to acquire metastatic phenotype...
Synergistic up-regulation of Hexokinase-2, glucose transporters and angiogenic factors in pancreatic cancer cells by glucose deprivation and hypoxiaMitsuteru Natsuizaka
Department of Pathological Oncology, Division of Cancer Medicine, Hokkaido University Graduate School of Medicine, Japan
Exp Cell Res 313:3337-48. 2007..Our results thus suggest that the enhanced expressions of those genes mediated by the activation of AMPK and HIF-1 therefore play a pivotal role in the tumor formation of pancreatic cancers...
Suppression of in vivo tumorigenicity of rat hepatoma cell line KDH-8 cells by soluble TGF-beta receptor type IIWenli Zhao
Division of Cancer Pathobiology, Research Section of Pathophysiology, Institute for Genetic Medicine, Hokkaido University, Kita 15, Nishi 7, Kita-ku, Sapporo, Hokkaido 060-0815, Japan
Cancer Immunol Immunother 51:381-8. 2002....
Inflammation and free radicals in tumor development and progressionFutoshi Okada
Division of Cancer Pathobiology, Research Section of Pathophysiology, Institute for Genetic Medicine, Hokkaido University, Kita 15, Nishi 7, Kita ku, Sapporo 060 0815, Japan
Redox Rep 7:357-68. 2002..This article reviews the current findings linking inflammation and cancer, and shed light on inflammatory cell-derived free radicals as major endogenous reactive substances for tumor development and progression...
The role of nicotinamide adenine dinucleotide phosphate oxidase-derived reactive oxygen species in the acquisition of metastatic ability of tumor cellsFutoshi Okada
Department of Biomolecular Function, Graduate School of Medical Science, Yamagata University, 2 2 2, Iidanishi, Yamagata 990 9585 Japan
Am J Pathol 169:294-302. 2006....
Establishment and characterization of human urothelial cancer xenografts in severe combined immunodeficient miceTakashige Abe
Department of Urology, Hokkaido University Graduate School of Medicine, Sapporo, Japan
Int J Urol 13:47-57. 2006..To establish and characterize a murine xenograft model of human urothelial cancer in severe combined immunodeficient (SCID) mice for therapeutic simulation...
Hypoxia suppresses the production of matrix metalloproteinases and the migration of human monocyte-derived dendritic cellsWenli Zhao
Department of Pathological Oncology, Division of Cancer Medicine, Hokkaido University Graduate School of Medicine, Sapporo, Japan
Eur J Immunol 35:3468-77. 2005..Our results suggest that the hypoxic microenvironment in solid tumor tissues may suppress the function of DC...
siRNA gelsolin knockdown induces epithelial-mesenchymal transition with a cadherin switch in human mammary epithelial cellsHiroki Tanaka
Division of Cancer Gene Regulation, Research Section of Disease Control, Institute for Genetic Medicine, Hokkaido University, Sapporo 060 0815, Japan
Int J Cancer 118:1680-91. 2006....
Accelerated impairment of spermatogenic cells in SOD1-knockout mice under heat stressTatsuya Ishii
Department of Urology, Yamagata University School of Medicine, 2 2 2 Iidanishi, Yamagata, 990 9585, Japan
Free Radic Res 39:697-705. 2005..Alternatively, since even a short exposure triggers harmful damage to spermatogenic cells, generated ROS may function as a type of signal for cell death rather than directly causing oxidative damage to cells...
Specific inactivation of cysteine protease-type cathepsin by singlet oxygen generated from naphthalene endoperoxidesYuki Nagaoka
Department of Biomolecular Function, Graduate School of Medical Science, Yamagata University, Japan
Biochem Biophys Res Commun 331:215-23. 2005..These data suggest that singlet oxygen oxidatively modifies an amino acid residue essential for catalysis and consequently results in the irreversible inactivation of cysteine protease-type cathepsin...
