Mitogenic Activity of CEL-I, an N-Acetylgalactosamine (GalNAc)-Specific C-Type Lectin, Isolated from the Marine Invertebrate Cucumaria echinata (Holothuroidea)
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概要
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An N-acetylgalactosamine (GalNAc)-specific Ca2+-dependent lectin (C-type lectin), isolated from the marine invertebrate Holothuroidea (Cucumaria echinata), CEL-I, showed potent mitogenic activity toward normal mouse spleen cells. The mitogenic activity of CEL-I, which reached a maximum at 100 μg/ml, was inhibited by GalNAc in a concentration-dependent manner. The mitogenic effect of CEL-I at 10 μg/ml on T cell- enriched splenocytes was at a similar level due to a well-known T cell mitogen, concanavalin A (Con A), at 10 μg/ml. Furthermore, CEL-I evoked a mitogenic response from nude mouse spleen cells, while no significant effects of Con A on this cell population were observed over a wide range of concentrations. These results suggest that CEL-I is a potent mitogenic lectin with the ability to stimulate both T and B cells.
著者
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Oda Tatsuya
Division Of Biochemistry Faculty Of Fisheries Nagasaki University
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Yamasaki Yasuhiro
Division of Biochemistry, Faculty of Fisheries, Nagasaki University
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YAMANISHI Tomohiro
Division of Biochemistry, Faculty of Fisheries, Nagasaki University
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HATAKEYAMA Tomomitsu
Department of Applied Chemistry, Faculty of Engineering, Nagasaki University
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YAMAGUCHI Kenichi
Division of Biochemistry, Faculty of Fisheries, Nagasaki University
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Yamanishi Tomohiro
Division Of Biochemistry Faculty Of Fisheries Nagasaki University
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Kim D
Jeju Center Korea Basic Science Institute (kbsi)
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KIM Daekyung
Jeju Center, Korea Basic Science Institute (KBSI)
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JIANG Zedong
Division of Biochemistry, Faculty of Fisheries, Nagasaki University
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Yamamoto Yoshiko
Division Of Biochemistry Faculty Of Fisheries Nagasaki University
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