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  • Title: Tissue binding pattern of plant lectins in benign and malignant lesions of thyroid.
    Author: Vijayakumar T, Augustine J, Mathew L, Aleykutty MA, Nair MB, Remani P, Nair MK.
    Journal: J Exp Pathol; 1992; 6(1-2):11-23. PubMed ID: 1625034.
    Abstract:
    N-acetyl D-galactosamine specific lectins were isolated from the seeds of Jack Fruit (Artocarpus integrifolia) and Winged bean (Psophocarpus tetragonolobus) and D-galactose specific lectin was isolated from peanut (Arachis hypogaea). These lectins were conjugated to Horse Radish Peroxidase (HRP) and were used to study the lectin binding properties of benign and malignant lesions of the thyroid. For comparison of the results 10 normal fresh autopsy specimens were included in the study. The Peanut lectin (PNL) and Jack fruit lectin (JFL) conjugates showed positive binding with the cells in different lesions, while Winged Bean Lectin (WBL), despite its having a common inhibitory sugar, showed no binding even after neuraminidase treatment. These lectins revealed difference in the composition of glycoconjugates of benign and malignant thyroid cells. The HRP conjugated JFL and PNL may be of use in distinguishing carcinomatous tissues from benign tissues which makes them potential tools in the differential diagnosis of thyroid lesions.
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