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ECB-ART-41732
Biosci Biotechnol Biochem 2010 Jan 01;748:1613-6. doi: 10.1271/bbb.100207.
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Mitogenic activity of CEL-I, an N-acetylgalactosamine (GalNAc)-specific C-type lectin, isolated from the marine invertebrate Cucumaria echinata (Holothuroidea).

Jiang Z , Kim D , Yamasaki Y , Yamanishi T , Hatakeyama T , Yamaguchi K , Oda T .


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An N-acetylgalactosamine (GalNAc)-specific Ca(2+)-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 microg/ml, was inhibited by GalNAc in a concentration-dependent manner. The mitogenic effect of CEL-I at 10 microg/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 microg/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.

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Genes referenced: LOC115919910 LOC590751