Lectin Binding Pattern of Gastric Mucosa of Pacific White-Sided Dolphin, Lagenorhynchus obliquidens
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- SHIMOKAWA Tetsuya
- Department of Anatomy and Embryology, Ehime University Graduate School of Medicine
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- DOIHARA Takuya
- Department of Anatomy and Embryology, Ehime University Graduate School of Medicine
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- MAKARA Manami
- Division of Vertebrates, Department of Zoology, National Museum of Nature and Science
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- MIYAWAKI Kyoji
- Shikoku-Chuoh Medical and Welfare General College
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- NABEKA Hiroaki
- Department of Anatomy and Embryology, Ehime University Graduate School of Medicine
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- WAKISAKA Hiroyuki
- Department of Liberal Arts, Ehime Prefectural University of Health Sciences
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- KOBAYASHI Naoto
- Medical Education Center, Ehime University Graduate School of Medicine
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- MATSUDA Seiji
- Department of Anatomy and Embryology, Ehime University Graduate School of Medicine
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The stomach of the Pacific white-sided dolphin is divided into three parts: forestomach, proper gastric gland portion, and pyloric chamber. The histological features of the dolphin stomach are similar to those of terrestrial mammal stomachs, although the distribution of glycoconjugates in mucosal cells of the dolphin stomach is unknown. To learn about glycoconjugates in cetacean gastric mucosa, the glycoconjugate distribution in the mucous epithelium of the Pacific white-sided dolphin was studied using 21 lectins. Among the lectins tested, GSL-I and DBA specifically labelled the superficial layer of the forestomach epithelium. GSL-I, SBA, RCA-I, VVA, GSL-II, DSL, LEL, STL, s-WGA, WGA, PNA, and Jacalin labelled the luminal surface of the chief cells in the proper gastric gland. GSL-I, SBA, RCA-I, DSL, LEL, STL, s-WGA, PNA, and LCA labelled tubular structures in the cytoplasm of parietal cells. The surface portion of the pits in the pyloric chamber strongly reacted with RCA-I, GSL-II, WGA, PNA, LCA, PHA-L, and UEA-I, whereas the neck portion reacted weakly. Although lining one tubular portion, individual secretory cells in the pyloric gland displayed a heterogeneous reaction. This is the first report on the lectin histochemistry of a cetacean stomach and reveals GSL-I and DBA as specific marker lectins for the cornified stratified squamous epithelium cells of the Pacific white-sided dolphin. The stomachs of cetaceans and terrestrial mammals have similar histological features and mucous glycoconjugate content.<br>
収録刊行物
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- The Journal of Veterinary Medical Science
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The Journal of Veterinary Medical Science 74 (2), 155-160, 2012
公益社団法人 日本獣医学会
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詳細情報 詳細情報について
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- CRID
- 1390001206430573184
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- NII論文ID
- 130001033062
- 40019213399
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- NII書誌ID
- AA10796138
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- COI
- 1:STN:280:DC%2BC383nsVyquw%3D%3D
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- ISSN
- 13477439
- 09167250
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- NDL書誌ID
- 023551465
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- PubMed
- 21952399
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
- Crossref
- PubMed
- CiNii Articles
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- 使用不可