lectin /lec·tin/ (lek´tin) any of a group of hemagglutinating proteins found primarily in plant seeds, which bind specifically to the branching sugar molecules of glycoproteins and glycolipids on the surface of cells.
lectin
lec·tin (l k t n)n. Any of several plant glycoproteins that bind to specific carbohydrate groups on the cell membranes, used in the laboratory to stimulate proliferation of lymphocytes and to agglutinate red blood cells. |
lectin
[lek′tin]
a protein in seeds and other parts of certain plants that binds with glycoproteins and glycolipids on the surface of animal cells, causing agglutination. Some lectins agglutinate erythrocytes in specific blood groups, and others stimulate the production of T lymphocytes.
lectin
1. hemagglutinating substances present in saline extracts of certain plant seeds, which agglutinate erythrocytes of certain blood groups or stimulate lymphocyte proliferation.
2. antinutritive factors in legume seeds; interfere with protein digestion in monogastric livestock.
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