Biologicals 2004-Mar
Mitogenic activity of Cratylia mollis lectin on human lymphocytes.
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Abstrè
The mitogenic effect of Cratylia mollis seed lectin preparations containing two (Cramoll 1,4) or one molecular form (Cramoll 1) showed activity similar to the well known T-cell mitogen, concanavalin A (Con A). The effect on human lymphocytes was analyzed through a colorimetric assay using 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyl tetrazolium bromide (MTT). Inhibition of lymphocyte proliferation with methyl-alpha-d-mannoside (both preparations) indicated that the mitogenic effect involved carbohydrate lectin binding sites.