Age-Related Changes in Calretinin-Immunoreactive Periglomerular Cells in the Rat Main Olfactory Bulb

  • HWANG In Koo
    Department of Anatomy, College of Medicine, Hallym University
  • YOO Ki-Yeon
    Department of Anatomy, College of Medicine, Hallym University
  • NAM Young Sam
    Departments of Anatomy, College of Veterinary Medicine and School of Agricultural Biotechnology, Seoul National University
  • CHOI Jung Hoon
    Departments of Anatomy, College of Veterinary Medicine and School of Agricultural Biotechnology, Seoul National University
  • SEO Kangmoon
    Department of Veterinary Surgery, College of Veterinary Medicine, Seoul National University
  • LEE In Se
    Departments of Anatomy, College of Veterinary Medicine and School of Agricultural Biotechnology, Seoul National University
  • JUNG Ju Young
    Department of Anatomy, College of Medicine, Hallym University
  • KANG Tae-Cheon
    Departments of Anatomy, College of Veterinary Medicine and School of Agricultural Biotechnology, Seoul National University
  • OH Yang-Seok
    Department of Medical Genetics and Experimental Animal Center, College of Medicine, Hallym University
  • WON Moo Ho
    Department of Anatomy, College of Medicine, Hallym University

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抄録

The changes of calretinin (CR)-immunoreactive periglomerular cells in the glomerular layer of the main olfactory bulb (MOB) were investigated in rats differing ages from postnatal month 1 (PM 1) to PM 24. The number of cresyl violet-positive periglomerular cells was similar between PM 1 and PM 12, but they decreased slightly in the PM 24 group. The size of CR-immunoreactive periglomerular cells in the glomerular layer increased with age, while their numbers did not change significantly in the PM 6-PM 24 groups. In the PM 24 group, numbers of CR-positive periglomerular cell bodies and their processes decreased, while the size of CR-positive cell bodies in the glomeruli was larger than that of the previous groups. These results suggest that CR-immunoreactive periglomerular cells in the rat MOB are well-developed in the PM 6 group, and that periglomerular cells in the PM 24 group show poor CR-immunoreactivity compared to those in the PM 6 group.<br>

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