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Control of Oxidative Stress and Generation of Induced Pluripotent Stem Cell-like Cells by Jun Dimerization Protein 2
AbstractWe report here that the Jun dimerization protein 2 (JDP2) plays a critical role as a cofactor for the transcription factors nuclear factor-erythroid 2-related factor 2 (Nrf2) and MafK in the regulation of the antioxidants and production of reactive oxygen species (ROS). JDP2 associates with Nrf2 and MafK (Nrf2-MafK) to increase the transcription of antioxidant response element-dependent genes. Oxidative-stress-inducing reagent led to an increase in the intracellular accumulation of ROS and cell proliferation in Jdp2 knock-out mouse embryonic fibroblasts. In Jdp2-Cre mice mated with reporter mice, the expression of JDP2 was restricted to granule cells in the brain cerebellum. The induced pluripotent stem cells (iPSC)-like cells were generated from DAOY medulloblastoma cell by introduction of JDP2, and the defined factor OCT4. iPSC-like cells expressed stem cell-like characteristics including alkaline phosphatase activity and some stem cell markers. However, such iPSC-like cells also proliferated rapidly, became neoplastic, and potentiated cell malignancy at a later stage in SCID mice. This study suggests that medulloblastoma cells can be reprogrammed successfully by JDP2 and OCT4 to become iPSC-like cells. These cells will be helpful for studying the generation of cancer stem cells and ROS homeostasis.
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Chiou, S.-S.; Wang, S.S.-W.; Wu, D.-C.; Lin, Y.-C.; Kao, L.-P.; Kuo, K.-K.; Wu, C.-C.; Chai, C.-Y.; Lin, C.-L.S.; Lee, C.-Y.; Liao, Y.-M.; Wuputra, K.; Yang, Y.-H.; Wang, S.-W.; Ku, C.-C.; Nakamura, Y.; Saito, S.; Hasegawa, H.; Yamaguchi, N.; Miyoshi, H.; Lin, C.-S.; Eckner, R.; Yokoyama, K.K. Control of Oxidative Stress and Generation of Induced Pluripotent Stem Cell-like Cells by Jun Dimerization Protein 2. Cancers 2013, 5, 959-984.View more citation formats
Chiou S-S, Wang SS-W, Wu D-C, Lin Y-C, Kao L-P, Kuo K-K, Wu C-C, Chai C-Y, Lin C-LS, Lee C-Y, Liao Y-M, Wuputra K, Yang Y-H, Wang S-W, Ku C-C, Nakamura Y, Saito S, Hasegawa H, Yamaguchi N, Miyoshi H, Lin C-S, Eckner R, Yokoyama KK. Control of Oxidative Stress and Generation of Induced Pluripotent Stem Cell-like Cells by Jun Dimerization Protein 2. Cancers. 2013; 5(3):959-984.Chicago/Turabian Style
Chiou, Shyh-Shin; Wang, Sophie S.-W.; Wu, Deng-Chyang; Lin, Ying-Chu; Kao, Li-Pin; Kuo, Kung-Kai; Wu, Chun-Chieh; Chai, Chee-Yin; Lin, Cheng-Lung S.; Lee, Cheng-Yi; Liao, Yu-Mei; Wuputra, Kenly; Yang, Ya-Han; Wang, Shin-Wei; Ku, Chia-Chen; Nakamura, Yukio; Saito, Shigeo; Hasegawa, Hitomi; Yamaguchi, Naoto; Miyoshi, Hiroyuki; Lin, Chang-Sheng; Eckner, Richard; Yokoyama, Kazunari K. 2013. "Control of Oxidative Stress and Generation of Induced Pluripotent Stem Cell-like Cells by Jun Dimerization Protein 2." Cancers 5, no. 3: 959-984.
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