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The effect of ginger extract on glycoproteins of Raji cells.

Abstract : Protein glycosylation is associated with the development and progression of specific diseases, including cancers. The ginger rhizome is known to have anti-cancer and anti-fungal properties. This investigation was carried out to study the effect of ginger on glycoproteins of Raji cells. A 10% yield of ginger extract was mixed with 0.01% DMSO and added to 6 x 10(4) Raji cells at different concentrations for 24, 48 and 72 h at 37 degrees C. Their half maximal inhibitory concentration (IC50) was determined and analyzed statistically using Graphpad prism software. Cell extracts were prepared and their glycoproteins purified using lectin-affinity chromatography (Q proteome total glycoprotein and O glycoprotein kits) and SDS PAGE was carried out. IC50 of ginger extract on Raji cells was 20 microg mL(-1) at 72 h with < 0.01 significance. Silver staining of purified glycoprotiens in Raji cells indicated the presence of O-glycans and N-glycans. N-linked mannose and N-linked sialic acids were detected with the total glycoprotein kit. O-linked galactose and O-linked sialic acids were identified with the O-glycoprotein. Ginger reduced the expression of O-linked sialic acid and also N-linked mannose on Raji cells but had no effect on other glycoproteins. Sialic acid is now well known as a cancer marker and investigations are on to use it as a drug-target in cancerous tissues.
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Contributor : Zahra Zamani Connect in order to contact the contributor
Submitted on : Sunday, August 24, 2014 - 2:10:11 PM
Last modification on : Wednesday, September 23, 2020 - 10:48:02 AM
Long-term archiving on: : Tuesday, April 11, 2017 - 8:06:14 PM


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Zahra Zamani, Nassir Ud-Din, Haleemeh Kabini Kohan, Mehdi Kadivar, Zahra Kalyee, et al.. The effect of ginger extract on glycoproteins of Raji cells.. Pakistan Journal of Biological Sciences, Asian Network for Scientific Information (ANSINET), 2014, 17 (2), pp.241-7. ⟨10.3923/pjbs.2014.241.247⟩. ⟨pasteur-01057590⟩



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