Kei Ichi Katayama

Summary

Affiliation: University of Tokyo
Country: Japan

Publications

  1. pmc Deletion of Sema3a or plexinA1/plexinA3 causes defects in sensory afferent projections of statoacoustic ganglion neurons
    Kei Ichi Katayama
    Division of Developmental Biology, Cincinnati Children s Hospital Medical Center, Cincinnati, Ohio, USA
    PLoS ONE 8:e72512. 2013
  2. doi request reprint RhoA and Cdc42 are required in pre-migratory progenitors of the medial ganglionic eminence ventricular zone for proper cortical interneuron migration
    Kei Ichi Katayama
    Division of Developmental Biology, Cincinnati Children s Hospital Medical Center, 3333 Burnet Avenue, Cincinnati, OH 45229, USA
    Development 140:3139-45. 2013
  3. ncbi request reprint Ethylnitrosourea induces neural progenitor cell apoptosis after S-phase accumulation in a p53-dependent manner
    Kei Ichi Katayama
    Department of Veterinary Pathology, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Bunkyo ku, Tokyo 113 8657, Japan
    Neurobiol Dis 18:218-25. 2005
  4. ncbi request reprint Microarray analysis of genes in fetal central nervous system after ethylnitrosourea administration
    Kei Ichi Katayama
    Department of Veterinary Pathology, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo, Japan
    Birth Defects Res B Dev Reprod Toxicol 74:255-60. 2005
  5. ncbi request reprint Cell cycle and cell death regulation of neural progenitor cells in the 5-azacytidine (5AzC)-treated developing fetal brain
    Masaki Ueno
    Department of Veterinary Pathology, Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1 1 1 Yayoi, Bunkyo ku, Tokyo 113 8657, Japan
    Exp Neurol 198:154-66. 2006
  6. ncbi request reprint Ethylnitrosourea induces apoptosis and growth arrest in the trophoblastic cells of rat placenta
    Kei Ichi Katayama
    Department of Veterinary Pathology, Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1 1 1 Yayoi, Bunkyo ku, Tokyo 113 8657, Japan
    Biol Reprod 67:431-5. 2002
  7. ncbi request reprint Microarray analysis on CYPs expression in pregnant rats after treatment with pregnenolone-16alpha-carbonitrile and phenobarbital
    Noriko Ejiri
    Department of Veterinary Pathology, Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1 1 1 Yayoi, Bunkyo ku, Tokyo, Japan
    Exp Mol Pathol 78:71-7. 2005
  8. pmc Loss of RhoA in neural progenitor cells causes the disruption of adherens junctions and hyperproliferation
    Kei Ichi Katayama
    Division of Developmental Biology, Cincinnati Children s Hospital Medical Center, Cincinnati, OH 45229, USA
    Proc Natl Acad Sci U S A 108:7607-12. 2011
  9. ncbi request reprint Cell cycle progression is required for nuclear migration of neural progenitor cells
    Masaki Ueno
    Department of Veterinary Pathology, Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1 1 1 Yayoi, Bunkyo ku, Tokyo 113 8657, Japan
    Brain Res 1088:57-67. 2006
  10. ncbi request reprint Involvement of p53 in 1-beta-D-arabinofuranosylcytosine-induced trophoblastic cell apoptosis and impaired proliferation in rat placenta
    Hirofumi Yamauchi
    Department of Veterinary Pathology, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo 113 8657, Japan
    Biol Reprod 70:1762-7. 2004

Collaborators

Detail Information

Publications29

  1. pmc Deletion of Sema3a or plexinA1/plexinA3 causes defects in sensory afferent projections of statoacoustic ganglion neurons
    Kei Ichi Katayama
    Division of Developmental Biology, Cincinnati Children s Hospital Medical Center, Cincinnati, Ohio, USA
    PLoS ONE 8:e72512. 2013
    ....
  2. doi request reprint RhoA and Cdc42 are required in pre-migratory progenitors of the medial ganglionic eminence ventricular zone for proper cortical interneuron migration
    Kei Ichi Katayama
    Division of Developmental Biology, Cincinnati Children s Hospital Medical Center, 3333 Burnet Avenue, Cincinnati, OH 45229, USA
    Development 140:3139-45. 2013
    ..These findings provide genetic evidence that RhoA and Cdc42 are required in progenitors of the MGE in the VZ, but not the SVZ, for proper cortical interneuron migration. ..
  3. ncbi request reprint Ethylnitrosourea induces neural progenitor cell apoptosis after S-phase accumulation in a p53-dependent manner
    Kei Ichi Katayama
    Department of Veterinary Pathology, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Bunkyo ku, Tokyo 113 8657, Japan
    Neurobiol Dis 18:218-25. 2005
    ..Furthermore, these data also demonstrate that both ENU-induced apoptosis and cell cycle perturbation in the S phase require p53...
  4. ncbi request reprint Microarray analysis of genes in fetal central nervous system after ethylnitrosourea administration
    Kei Ichi Katayama
    Department of Veterinary Pathology, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo, Japan
    Birth Defects Res B Dev Reprod Toxicol 74:255-60. 2005
    ..These effects occur immediately after the administration of ENU to pregnant animals resulting in fetal brain anomalies and long-term effects include brain tumors in the offspring...
  5. ncbi request reprint Cell cycle and cell death regulation of neural progenitor cells in the 5-azacytidine (5AzC)-treated developing fetal brain
    Masaki Ueno
    Department of Veterinary Pathology, Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1 1 1 Yayoi, Bunkyo ku, Tokyo 113 8657, Japan
    Exp Neurol 198:154-66. 2006
    ..Furthermore, some cells may have died due to mitotic catastrophe. Throughout brain development, various cell cycle and cell death regulation mechanisms provide neural progenitor cells with options for defense from DNA damage...
  6. ncbi request reprint Ethylnitrosourea induces apoptosis and growth arrest in the trophoblastic cells of rat placenta
    Kei Ichi Katayama
    Department of Veterinary Pathology, Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1 1 1 Yayoi, Bunkyo ku, Tokyo 113 8657, Japan
    Biol Reprod 67:431-5. 2002
    ..Moreover, a possible involvement of p53 in the induction of apoptosis and growth arrest is suggested...
  7. ncbi request reprint Microarray analysis on CYPs expression in pregnant rats after treatment with pregnenolone-16alpha-carbonitrile and phenobarbital
    Noriko Ejiri
    Department of Veterinary Pathology, Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1 1 1 Yayoi, Bunkyo ku, Tokyo, Japan
    Exp Mol Pathol 78:71-7. 2005
    ..The results of the present study of 40 CYPs gene expression mostly corresponded to our previous reports on 9 CYPs protein expression...
  8. pmc Loss of RhoA in neural progenitor cells causes the disruption of adherens junctions and hyperproliferation
    Kei Ichi Katayama
    Division of Developmental Biology, Cincinnati Children s Hospital Medical Center, Cincinnati, OH 45229, USA
    Proc Natl Acad Sci U S A 108:7607-12. 2011
    ..These results demonstrate a critical role of RhoA in the maintenance of apical adherens junctions and the regulation of neural progenitor proliferation in the developing mammalian brain...
  9. ncbi request reprint Cell cycle progression is required for nuclear migration of neural progenitor cells
    Masaki Ueno
    Department of Veterinary Pathology, Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1 1 1 Yayoi, Bunkyo ku, Tokyo 113 8657, Japan
    Brain Res 1088:57-67. 2006
    ..Our results suggest that cell cycle regulators might control the machinery of migration through a common regulatory mechanism...
  10. ncbi request reprint Involvement of p53 in 1-beta-D-arabinofuranosylcytosine-induced trophoblastic cell apoptosis and impaired proliferation in rat placenta
    Hirofumi Yamauchi
    Department of Veterinary Pathology, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo 113 8657, Japan
    Biol Reprod 70:1762-7. 2004
    ....
  11. ncbi request reprint Essential role of p53 in trophoblastic apoptosis induced in the developing rodent placenta by treatment with a DNA-damaging agent
    Hirofumi Yamauchi
    Department of Veterinary Pathology, Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1 1 1 Yayoi, Bunkyo ku, Tokyo, 113 8657, Japan
    Apoptosis 12:1743-54. 2007
    ..These results indicate that p53 is essential for DNA damage-induced trophoblastic apoptosis and suggest that the mechanisms that regulate the damage-induced apoptosis differ from those that regulate physiological apoptosis...
  12. ncbi request reprint Involvement of p53 in 1-beta-D-arabinofuranosylcytosine-induced rat fetal brain lesions
    Hirofumi Yamauchi
    Department of Veterinary Pathology, Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1 1 1 Yayoi, Bunkyo, 113 8657 Tokyo, Japan
    Neurotoxicol Teratol 26:579-86. 2004
    ..In conclusion, prenatal treatment of Ara-C is thought to induce apoptosis and inhibition of cell proliferation mediated by p53 and its target genes in the fetal brain...
  13. ncbi request reprint NMDA-induced apoptosis in the developing rat brain
    Hirotake Takai
    Department of Veterinary Pathology, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Bunkyo ku, Tokyo, Japan
    Exp Toxicol Pathol 55:33-7. 2003
    ..On the other hand, the induction of apoptosis did not occur in the neonatal brain...
  14. ncbi request reprint Susceptibility of primary culture neurons from rats of different ages to encephalomyocarditis (EMC) virus infection
    Weiping Su
    Department of Veterinary Pathology, Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1 1 1 Yayoi, Bunkyo ku, Tokyo 113 8657, Japan
    Exp Mol Pathol 75:160-4. 2003
    ..The present results indicated that the susceptibility of primary culture neurons to EMC-D decreased with age but viral replication still occurred in P56 cultures...
  15. ncbi request reprint Microarray analysis on Phase II drug metabolizing enzymes expression in pregnant rats after treatment with pregnenolone-16alpha-carbonitrile or phenobarbital
    Noriko Ejiri
    Department of Veterinary Pathology, Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1 1 1 Yayoi, Bunkyo ku, Tokyo 113 8657, Japan
    Exp Mol Pathol 79:272-7. 2005
    ..This is the first report of the gene expression profiles of Phase II drug metabolizing enzymes in pregnant rat and fetal livers and placenta after treatment with typical inducers of drug metabolizing enzymes...
  16. pmc Left-right locomotor circuitry depends on RhoA-driven organization of the neuroepithelium in the developing spinal cord
    Kei Ichi Katayama
    Division of Developmental Biology, Cincinnati Children s Hospital Medical Center, Cincinnati, Ohio 45229, USA
    J Neurosci 32:10396-407. 2012
    ..These results demonstrate that RhoA functions to maintain neuroepithelial structures in the developing spinal cord and that proper organization of the neuroepithelium is required for appropriate left-right motor behavior...
  17. ncbi request reprint Ethylnitrosourea-induced apoptosis in primordial germ cells of the rat fetus
    Kei Ichi Katayama
    Department of Veterinary Pathology, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo, Japan
    Exp Toxicol Pathol 54:193-6. 2002
    ..Moreover, a possible involvement of p53 is suggested in the ENU-induced apoptosis in PGCs...
  18. ncbi request reprint 5-Azacytidine (5AzC)-induced histopathological changes in the central nervous system of rat fetuses
    Masaki Ueno
    Department of Veterinary Pathology, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Japan
    Exp Toxicol Pathol 54:91-6. 2002
    ..In addition, it is suggested that 5AzC-induced apoptosis might occur mainly in the post mitotic phase of cell cycle...
  19. pmc Mechanisms of 5-azacytidine (5AzC)-induced toxicity in the rat foetal brain
    Masaki Ueno
    Department of Veterinary Pathology, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Bunkyo ku, Tokyo, Japan
    Int J Exp Pathol 83:139-50. 2002
    ..The present results indicate that 5AzC induced apoptosis and cell cycle arrest probably at G1 phase in the rat foetal brain and they might be mediated by p53 in response to DNA damage...
  20. ncbi request reprint Induction of cytochrome P450 isozymes by phenobarbital in pregnant rat and fetal livers and placenta
    Noriko Ejiri
    Department of Veterinary Pathology, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo 113 8657, Japan
    Exp Mol Pathol 78:150-5. 2005
    ..The present results are considered useful as a basis for further investigation of drug metabolism in pregnant animals...
  21. ncbi request reprint Distribution of N-methyl-D-aspartate receptors (NMDARs) in the developing rat brain
    Hirotake Takai
    Department of Veterinary Pathology, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Bunkyo ku, Tokyo, Japan
    Exp Mol Pathol 75:89-94. 2003
    ..A progressive change in subunit expression seen prenatally and postnatally could contribute to variation of NMDARs and synaptic plasticity during the developing period...
  22. ncbi request reprint The susceptibility of pregnant mice to encephalomyocarditis (EMC) virus infection on different days of gestation
    Yumi Nakayama
    Department of Veterinary Pathology, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Japan
    Exp Anim 53:165-9. 2004
    ..Ultrastructurally, intracytoplasmic aggregations of virus-like particles in crystalline array were observed in trophoblast cells and giant cells in the spongiotrophoblast layer in all inoculation groups...
  23. ncbi request reprint Repair process of fetal brain after 5-azacytidine-induced damage
    Masaki Ueno
    Department of Veterinary Pathology, Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1 1 1 Yayoi, Bunkyo ku, Tokyo 113 8657, Japan
    Eur J Neurosci 24:2758-68. 2006
    ..We show here that the developing brain has the capacity to respond to the damage induced by extrinsic chemical stresses, including changing the expression of numerous genes and the induction of microglia to aid the repair process...
  24. ncbi request reprint Effects of prenatal hydroxyurea-treatment on mouse offspring
    Gye Hyeong Woo
    Department of Veterinary Pathology, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Bunkyo ku, Tokyo 113 8657, Japan
    Exp Toxicol Pathol 56:1-7. 2004
    ..Based on the above-mentioned previous and present studies of ours, we suggest that HU-induced apoptosis in fetal tissues may play an important role in the development of anomalies in the corresponding tissues of offspring...
  25. pmc Specificity of monosynaptic sensory-motor connections imposed by repellent Sema3E-PlexinD1 signaling
    Kaori Fukuhara
    Division of Developmental Biology, Cincinnati Children s Hospital Medical Center, Cincinnati, OH 45229, USA
    Cell Rep 5:748-58. 2013
    ..A semaphorin-based system of motor neuron recognition and repulsion therefore contributes to the formation of specific sensory-motor connections in mammalian spinal cord. ..
  26. ncbi request reprint Induction of CYP3A1 by dexamethasone and pregnenolone-16alpha-carbonitrile in pregnant rat and fetal livers and placenta
    Noriko Ejiri
    Department of Veterinary Pathology, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Japan
    Exp Toxicol Pathol 54:273-9. 2003
    ..These results suggest that DEX and PCN might pass through the placenta with no prominent induction of CYP3A1 at the placenta and be distributed to the fetal liver rapidly, resulting in high induction of CYP3A1 in the fetal liver...
  27. doi request reprint Etoposide induces TRP53-dependent apoptosis and TRP53-independent cell cycle arrest in trophoblasts of the developing mouse placenta
    Hirofumi Yamauchi
    Department of Veterinary Pathology, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo, Japan
    Biol Reprod 80:813-22. 2009
    ..Our study demonstrated that etoposide injection induced TRP53-dependent apoptosis and TRP53-independent cell cycle arrest in labyrinthine trophoblasts, providing insights into the molecular pathway of placental disorders...
  28. ncbi request reprint Cerebellar myxoid type meningioma in a Shih Tzu dog
    Michio Suzuki
    Department of Veterinary Pathology, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Japan
    J Vet Med Sci 64:155-7. 2002
    ..Mucinous materials were observed in the intercellular spaces. Ultrastructural examination revealed cell processes, microtubule-like structures and desmosomes. The case was diagnosed as myxoid type meningioma...
  29. ncbi request reprint Comparative analysis of structure, expression and PSD95-binding capacity of Lrfn, a novel family of neuronal transmembrane proteins
    Naoko Morimura
    Laboratory for Comparative Neurogenesis, RIKEN Brain Science Institute, 2 1 Hirosawa, Wako Shi, Saitama 351 0198, Japan
    Gene 380:72-83. 2006
    ..These results suggest that Lrfn proteins are neuronal components with a role in the developing or mature vertebrate nervous system...