Pathology: Non-cytopathic bovine viral diarrhea virus infection inhibits differentiation of bovine neural stem/progenitor cells into astrocytes in vitro

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  • MATSUDA Kazuya
    Department of Veterinary Pathology, School of Veterinary Medicine, Rakuno Gakuen University
  • KOBAYASHI Shintaro
    Department of Veterinary Pathology, School of Veterinary Medicine, Rakuno Gakuen University
  • KAMEYAMA Ken-ichiro
    Laboratory of Microbiology, Graduate School of Veterinary Medicine, Hokkaido University
  • SATO Michiko
    Department of Veterinary Pathology, School of Veterinary Medicine, Rakuno Gakuen University
  • KOIWA Masateru
    Department of Large Animal Clinical Sciences, School of Veterinary Medicine, Rakuno Gakuen University
  • SAKODA Yoshihiro
    Laboratory of Microbiology, Graduate School of Veterinary Medicine, Hokkaido University
  • TANIYAMA Hiroyuki
    Department of Veterinary Pathology, School of Veterinary Medicine, Rakuno Gakuen University

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タイトル別名
  • Non-Cytopathic Bovine Viral Diarrhea Virus Infection Inhibits Differentiation of Bovine Neural Stem/progenitor Cells into Astrocytes in Vitro

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Bovine viral diarrhea virus (BVDV) causes fetal brain malformations in ruminants when the fetuses are infected transplacentally in mid-pregnancy. In both cytopathic and non-cytopatic virus infections, viral lytic infection in actively replicating cells and interruption of vascular integrity have been suggested as the pathogenesis, but functional disturbance of infected neural developing cells has been unclear. In this study, we examined the effect of infection with non-cytopathic BVDV2 on the differentiation of neural stem/precursor cells isolated from the bovine fetus. In the process of differentiation to three types of neural cells, neurons, astrocytes and oligodendrocytes, virus infection significantly and selectively inhibited the differentiation of neural stem/precursor cells into the astrocytic lineage. This inhibition is possibly important for the pathogenesis of congenital brain malformations associated with non-cytopathic BVDV infection.<br>

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