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Journal of natural medicines

A novel lectin from Artocarpus lingnanensis induces proliferation and Th1/Th2 cytokine secretion through CD45 signaling pathway in human T lymphocytes.


PMID 28110389

Abstract

Lectins are carbohydrate-binding proteins and have been used for purification and characterization of glycoproteins. In this study, a novel 58.9-kDa tetrameric lectin from Artocarpus lingnanensis seeds was purified, characterized, and its mitogenic potential was evaluated. The hemagglutination inhibition assay indicated that Artocarpus lingnanensis lectin (ALL) showed specificity toward galactose. ALL was effectively purified in a single-step using affinity chromatography on a galactose-Sepharose column. ALL showed pH optima between 5.0 and 9.0, and optimal temperature between 20 and 40 °C. ALL triggered proliferation and activation of human T lymphocytes (e.g., CD4

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