Abstract
Alteration of the cell surface glycoproteins of cancerous cells correlate with malignancy potential. To evaluate the mediation of membrane glycoproteins in wehi-164 cancerous cells, under the effect of D. mucronata crude extract and one of its purified active components, gnidilatimonoein, their attachment to fibronectin-coated wells were investigated. The plant extract, 27 microl/ml (equivalent to 0.54 mg/of plant leaves powder per ml of culture medium), as well as gnidilatimonoein (0.94 microM), were capable of quenching by 58% and 64%, respectively, the attachment of wehi-164 cells to fibronectin-coated wells (4 microg/ml). In addition to alteration of cell adhesive properties, the morphology of the treated cells were significantly changed upon treatment with the non-toxic dose of the plant extract or gnidilatimonoein. While the untreated cells have polygonal shapes, the treated cells had spherical shapes.
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Citations
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