Differences in Lectin-Binding Properties between the Common Mucosal Epithelium and Follicle-Associated Epithelium in the Rabbit Small Intestine

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  • TAKEUCHI Takashi
    Department of Molecular Pathology, Ehime University School of Medicine
  • FUJIBUCHI Taketsugu
    Department of Molecular Pathology, Ehime University School of Medicine Department of Orthopedic Surgery, Ehime University School of Medicine
  • IMAI Yoshinori
    Department of Molecular Pathology, Ehime University School of Medicine
  • KAMEI Yoshiaki
    Department of Molecular Pathology, Ehime University School of Medicine
  • MURASE Ryuichi
    Department of Molecular Pathology, Ehime University School of Medicine
  • KITO Katsumi
    Department of Molecular Pathology, Ehime University School of Medicine
  • ABE Yasuhito
    Department of Molecular Pathology, Ehime University School of Medicine
  • UEDA Norifumi
    Department of Molecular Pathology, Ehime University School of Medicine

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  • ウサギ小腸一般粘膜上皮と濾胞被蓋上皮におけるレクチン結合特性の相違

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Abstract

Differences in sugar distribution between the villous epithelium and follicle-associated epithelium (FAE) were compared using lectins in the rabbit small intestine. In every portion, villous columnar epithelial cells primarily exhibited a positive reaction to the GalNAc, GlcNAc, galactose, and oligosaccharide. In the ileal Peyer's patch (PP), whereas microvillous epithelial cells exhibited positive reactions, M cells tended to be negative. The villous epithelial reaction to the fucose group was negative, but M cells and microvillous epithelial cells showed a positive to the fucose. No epithelium had a positive reaction to the mannose and glucose. The variety of lectin-binding properties of villous epithelial cells and M cells may reflect specificity for the recognizing luminal substances such as antigenic molecules and bacterial elements.<br>

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