alexa Identification and cloning of rat galectin-2: expression is predominantly in epithelial cells of the stomach.


Journal of Clinical & Cellular Immunology

Author(s): Oka T, Murakami S, Arata Y, Hirabayashi J, Kasai K,

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Abstract A complementary DNA clone preferentially expressed in the gastrointestinal tract was obtained from a rat stomach library. The protein coded by the clone had a single carbohydrate recognition domain having conserved motifs for beta-galactoside binding and showed 67\% amino acid identity with human galectin-2. The recombinant protein synthesized in Escherichia coli could bind to an asialofetuin column and was eluted with beta-galactopyranoside. From these observations, we named the protein rat galectin-2 coded by the cDNA. The rat galectin-2 was predominantly expressed in the epithelial cells of stomach. Thus this protein may form a mucin layer cross-linking with the beta-galactoside moiety of glycoproteins. Copyright 1999 Academic Press.
This article was published in Arch Biochem Biophys and referenced in Journal of Clinical & Cellular Immunology

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