Kazuo Yamagata

Summary

Affiliation: RIKEN Brain Science Institute
Country: Japan

Publications

  1. doi DNA methylation profiling using live-cell imaging
    Kazuo Yamagata
    Laboratory for Genomic Reprogramming, Center for Developmental Biology, RIKEN Kobe, Minatojima minamimachi 2 2 3, Chuo Ku, Kobe City, Hyogo 651 0047, Japan
    Methods 52:259-66. 2010
  2. doi Survival and death of epiblast cells during embryonic stem cell derivation revealed by long-term live-cell imaging with an Oct4 reporter system
    Kazuo Yamagata
    Laboratory for Genomic Reprogramming, Center for Developmental Biology, RIKEN Kobe, Minatojima minamimachi 2 2 3, Chuo Ku, Kobe City, Hyogo 651 0047, Japan
    Dev Biol 346:90-101. 2010
  3. doi Capturing epigenetic dynamics during pre-implantation development using live cell imaging
    Kazuo Yamagata
    Laboratory for Genomic Reprogramming, Center for Developmental Biology, RIKEN Kobe, Minatojima minamimachi 2 2 3, Chuo Ku, Kobe City, Hyogo Japan
    J Biochem 143:279-86. 2008
  4. doi Assessment of chromosomal integrity using a novel live-cell imaging technique in mouse embryos produced by intracytoplasmic sperm injection
    Kazuo Yamagata
    Laboratory for Genomic Reprogramming, Center for Developmental Biology, RIKEN Kobe, Minatojima minamimachi 2 2 3, Chuo Ku, Kobe City, Hyogo 651 0047, Japan
    Hum Reprod 24:2490-9. 2009
  5. ncbi Long-term, six-dimensional live-cell imaging for the mouse preimplantation embryo that does not affect full-term development
    Kazuo Yamagata
    Laboratory for Genomic Reprogramming, Center for Developmental Biology, RIKEN Kobe
    J Reprod Dev 55:343-50. 2009
  6. doi Latrunculin A can improve the birth rate of cloned mice and simplify the nuclear transfer protocol by gently inhibiting actin polymerization
    Yukari Terashita
    Laboratory for Genomic Reprogramming, Center for Developmental Biology, RIKEN, Kobe, Japan
    Biol Reprod 86:180. 2012
  7. pmc Latrunculin A treatment prevents abnormal chromosome segregation for successful development of cloned embryos
    Yukari Terashita
    Laboratory for Genomic Reprogramming, Center for Developmental Biology, RIKEN, Kobe, Japan Laboratory of Animal Reproduction, Graduate School of Agricultural Science, Tohoku University, Sendai, Japan
    PLoS ONE 8:e78380. 2013
  8. doi Offspring from intracytoplasmic sperm injection of aged mouse oocytes treated with caffeine or MG132
    Tetsuo Ono
    Laboratory for Genomic Reprogramming, RIKEN Center for Developmental Biology, Kobe 650 0047, Japan
    Genesis 49:460-71. 2011
  9. pmc Offspring from mouse embryos developed using a simple incubator-free culture system with a deoxidizing agent
    Fumiaki Itoi
    Laboratory for Genomic Reprogramming, Center for Developmental Biology, RIKEN, Kobe, Japan
    PLoS ONE 7:e47512. 2012
  10. ncbi Effect of fluorescent mercury light irradiation on in vitro and in vivo development of mouse oocytes after parthenogenetic activation or sperm microinjection
    Yukari Terashita
    Laboratory for Genomic Reprogramming, Center for Developmental Biology, RIKEN, Kobe 650 0046, Japan
    J Reprod Dev 57:564-71. 2011

Collaborators

Detail Information

Publications19

  1. doi DNA methylation profiling using live-cell imaging
    Kazuo Yamagata
    Laboratory for Genomic Reprogramming, Center for Developmental Biology, RIKEN Kobe, Minatojima minamimachi 2 2 3, Chuo Ku, Kobe City, Hyogo 651 0047, Japan
    Methods 52:259-66. 2010
    ..In this review, I describe the theoretical basis of this imaging and discuss its usefulness and potential for studies on epigenetic regulation, especially in early mammalian development...
  2. doi Survival and death of epiblast cells during embryonic stem cell derivation revealed by long-term live-cell imaging with an Oct4 reporter system
    Kazuo Yamagata
    Laboratory for Genomic Reprogramming, Center for Developmental Biology, RIKEN Kobe, Minatojima minamimachi 2 2 3, Chuo Ku, Kobe City, Hyogo 651 0047, Japan
    Dev Biol 346:90-101. 2010
    ..Thus, our imaging technique can advance the understanding of the time-dependent cellular changes during ESC derivation...
  3. doi Capturing epigenetic dynamics during pre-implantation development using live cell imaging
    Kazuo Yamagata
    Laboratory for Genomic Reprogramming, Center for Developmental Biology, RIKEN Kobe, Minatojima minamimachi 2 2 3, Chuo Ku, Kobe City, Hyogo Japan
    J Biochem 143:279-86. 2008
    ..In this review, I will discuss the usefulness and possibilities of this imaging technique in studies on nuclear dynamics during fertilization and pre-implantation development...
  4. doi Assessment of chromosomal integrity using a novel live-cell imaging technique in mouse embryos produced by intracytoplasmic sperm injection
    Kazuo Yamagata
    Laboratory for Genomic Reprogramming, Center for Developmental Biology, RIKEN Kobe, Minatojima minamimachi 2 2 3, Chuo Ku, Kobe City, Hyogo 651 0047, Japan
    Hum Reprod 24:2490-9. 2009
    ..One major cause is thought to be embryonic chromosomal abnormalities. However, there is no direct evidence of how these occur or how they affect pregnancy outcomes...
  5. ncbi Long-term, six-dimensional live-cell imaging for the mouse preimplantation embryo that does not affect full-term development
    Kazuo Yamagata
    Laboratory for Genomic Reprogramming, Center for Developmental Biology, RIKEN Kobe
    J Reprod Dev 55:343-50. 2009
    ..It might also be applicable to assessment of embryo quality in fields such as human reproductive technology and production animal research...
  6. doi Latrunculin A can improve the birth rate of cloned mice and simplify the nuclear transfer protocol by gently inhibiting actin polymerization
    Yukari Terashita
    Laboratory for Genomic Reprogramming, Center for Developmental Biology, RIKEN, Kobe, Japan
    Biol Reprod 86:180. 2012
    ..Moreover, by using LatA, we could simplify the procedure with a higher birth rate of cloned mice compared with our original method...
  7. pmc Latrunculin A treatment prevents abnormal chromosome segregation for successful development of cloned embryos
    Yukari Terashita
    Laboratory for Genomic Reprogramming, Center for Developmental Biology, RIKEN, Kobe, Japan Laboratory of Animal Reproduction, Graduate School of Agricultural Science, Tohoku University, Sendai, Japan
    PLoS ONE 8:e78380. 2013
    ..However, this did not increase the cloning success rate. Thus, non-epigenetic factors also play an important role in determining the efficiency of mouse cloning. ..
  8. doi Offspring from intracytoplasmic sperm injection of aged mouse oocytes treated with caffeine or MG132
    Tetsuo Ono
    Laboratory for Genomic Reprogramming, RIKEN Center for Developmental Biology, Kobe 650 0047, Japan
    Genesis 49:460-71. 2011
    ..Thus, it should be safe to use these chemicals in routine in vitro fertilization and offspring could be generated by ICSI of aged fertilization failed oocytes...
  9. pmc Offspring from mouse embryos developed using a simple incubator-free culture system with a deoxidizing agent
    Fumiaki Itoi
    Laboratory for Genomic Reprogramming, Center for Developmental Biology, RIKEN, Kobe, Japan
    PLoS ONE 7:e47512. 2012
    ..These results suggest that mouse zygotes are more resilient to their environment than generally believed. This method might prove useful in economical culture systems or for the international shipment of embryos...
  10. ncbi Effect of fluorescent mercury light irradiation on in vitro and in vivo development of mouse oocytes after parthenogenetic activation or sperm microinjection
    Yukari Terashita
    Laboratory for Genomic Reprogramming, Center for Developmental Biology, RIKEN, Kobe 650 0046, Japan
    J Reprod Dev 57:564-71. 2011
    ..Thus, we determined the safe period of exposure to several wavelengths for oocyte manipulation or observation that would permit subsequent development...
  11. doi Increasing the cell number of host tetraploid embryos can improve the production of mice derived from embryonic stem cells
    Hiroshi Ohta
    Laboratory for Genomic Reprogramming, Center for Developmental Biology, RIKEN, Kobe, Japan
    Biol Reprod 79:486-92. 2008
    ..These results demonstrate that the use of 3X 4n embryos is effective for generating ES mice. Our technique described here will be applicable to any ES cell line, including general ES cell lines used for gene targeting...
  12. doi Abnormal chromosome segregation at early cleavage is a major cause of the full-term developmental failure of mouse clones
    Eiji Mizutani
    Laboratory for Genomic Reprogramming, RIKEN Center for Developmental Biology, Kobe, Japan
    Dev Biol 364:56-65. 2012
    ..Moreover, the low efficiency of animal cloning may be caused primarily by genetic abnormalities such as ACS, in addition to the epigenetic errors described previously...
  13. doi Inhibition of class IIb histone deacetylase significantly improves cloning efficiency in mice
    Tetsuo Ono
    Laboratory for Genomic Reprogramming, RIKEN Center for Developmental Biology, Kobe, Japan
    Biol Reprod 83:929-37. 2010
    ....
  14. pmc Detrimental effects of microgravity on mouse preimplantation development in vitro
    Sayaka Wakayama
    Laboratory for Genomic Reprogramming, RIKEN, Center for Developmental Biology, Kobe, Japan
    PLoS ONE 4:e6753. 2009
    ..These results suggest for the first time that fertilization can occur normally under microG environment in a mammal, but normal preimplantation embryo development might require 1G...
  15. doi Understanding paternal genome demethylation through live-cell imaging and siRNA
    Kazuo Yamagata
    Laboratory for Genomic Reprogramming, Center for Developmental Biology, RIKEN, 2 2 3 Minatojima minamimachi, Chuo Ku, Kobe, 650 0047, Japan
    Cell Mol Life Sci 68:1669-79. 2011
    ..This new technique enables us to understand the epigenetic hierarchy during cellular response and differentiation in preimplantation embryos...
  16. ncbi Centromeric DNA hypomethylation as an epigenetic signature discriminates between germ and somatic cell lineages
    Kazuo Yamagata
    Graduate School of Life and Environmental Sciences, University of Tsukuba, Tsukuba Science City, Ibaraki 305 8572, Japan
    Dev Biol 312:419-26. 2007
    ..These results imply that the identity of germ cell lineage may be warranted by the hypomethylation status of the C/P region as an epigenetic signature...
  17. ncbi Potassium bromate treatment predominantly causes large deletions, but not GC>TA transversion in human cells
    Yang Luan
    Division of Cellular and Gene Therapy Products, National Institute of Health Sciences, 1 18 1 Kamiyoga, Setagaya Ku, Tokyo 158 8501, Japan
    Mutat Res 619:113-23. 2007
    ..However, we could not observe the similarity of gene expression profile in the treatment of KBrO(3) to ionizing-irradiation as well as oxidative damage inducers...
  18. ncbi Time-lapse and retrospective analysis of DNA methylation in mouse preimplantation embryos by live cell imaging
    Taiga Yamazaki
    Graduate School of Life and Environmental Sciences, University of Tsukuba, Tsukuba Science City, Ibaraki 305 8572, Japan
    Dev Biol 304:409-19. 2007
    ..These ROSI oocytes showed a significantly low rate of 2-cell formation, thus suggesting that the poor embryonic development of the ROSI oocytes may result from the abnormal localization of methylated chromatin...
  19. ncbi Noninvasive visualization of molecular events in the mammalian zygote
    Kazuo Yamagata
    Graduate School of Life and Environmental Science, and Institute of Applied Biochemistry, University of Tsukuba, Tsukuba Science City, Ibaraki, Japan
    Genesis 43:71-9. 2005
    ....