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  • Title: [Comparative analysis of membrane glycoproteins of normal and chronic lymphatic leukemia B lymphocytes by lectins].
    Author: de Dios I, Manso M, Martín M, López-Borrasca A.
    Journal: Rev Esp Fisiol; 1985 Jun; 41(2):211-6. PubMed ID: 3875881.
    Abstract:
    Eight plant lectins were used to investigate membrane alterations in lymphocytes from patients with chronic lymphocytic leukemia (CLL). By rosetting with lectins attached to latex particles, the cell percentages with the abundance of each lectin receptor were compared in B normal and leukemic lymphocytes. Comparing these data with the number of lectin molecules bound to each cell and the affinity, which are values calculated with 125I-labeled lectins, it was possible to deduce differences in the composition of glycoproteins in B normal and B-CLL lymphocytes membrane. Compared to B normal, B-CLL lymphocytes had fewer receptors for WGA and more for Lens culinaris, SBA and Tetragonolobus purpureus lectins. Receptors for Concanavalin A, Pisum sativum, PHA and Tetragonolobus purpureus showed a higher affinity with B normal lymphocytes, while the other lectins assayed showed more affinity with B-CLL lymphocytes. So, it is possible to establish a comparative analysis about the plasma membrane glycoproteins in the B normal and CLL lymphocytes by lectin binding studies.
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