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  • Title: Binding of lectins (Con-A, lens, helix, PHA) to binding sites induced in Tetrahymena by insulin and lectins.
    Author: Csaba G, Kovács P.
    Journal: Acta Microbiol Hung; 1991; 38(1):29-32. PubMed ID: 1810107.
    Abstract:
    Concanavalin-A (Con-A) gave rise to a moderate aggregation in untreated (control) Tetrahymena pyriformis GL populations. The cells pretreated (imprinted) with insulin or lectins underwent aggregation earlier and to a greater degree than the untreated control cells. Lens lectin, although of the same sugar specificity as Con-A, was considerably less active than the latter. Helix lectin and phytohaemagglutinin (PHA), although of similar sugar specificity, accounted for a dissimilar extent of cell aggregation, in that Helix lectin was comparable in activity to Con-A. Pretreatment (imprinting) with insulin enhanced the aggregation inducing effect of those lectins which were capable of overlapping on the insulin receptor owing to similar specificity.
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