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1 May 2005 GROWTH INHIBITION AND INDUCTION OF DIFFERENTIATION AND APOPTOSIS MEDIATED BY SODIUM BUTYRATE IN CACO-2 CELLS WITH ALGAL GLYCOLIPIDS
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Abstract
Glycolipids should have potential effects as antitumor agents. However, very few studies have examined this property of digalactosyl diacylglycerol (DGDG) and sulfoquinovosyl diacylglycerol (SQDG) on colon cancer cells. Cell viability was determined every 24 h with sodium 2-(4-iodophenyl)-3-(4-nitrophenyl)-5-(2, 4-disulfophenyl)-2H-tetrazolium dye reduction assay up to 72 h. Alkaline phosphatase activity was measured for assessing cell differentiation. Apoptosis was tested with enzyme-linked immunosorbent assay analysis. Growth of Caco-2 cells was inhibited apparently at 48 h after addition of SQDG and at 72 h with DGDG. Alkaline phosphatase activity of Caco-2 cells obviously increased in combination with DGDG or SQDG and sodium butyrate (NaBT) at 72 h, indicating that DGDG and SQDG enhanced cell differentiation induced with NaBT. An increased enrichment factor was found when the cell was treated in combination with DGDG or SQDG and NaBT. These results strongly suggest that DGDG and SQDG should be considered as the leading compounds of potentially useful colon cancer chemotherapy agents when NaBT is combined.
ZAKIR HOSSAIN, HIDEYUKI KURIHARA, MASASHI HOSOKAWA and KORETARO TAKAHASHI "GROWTH INHIBITION AND INDUCTION OF DIFFERENTIATION AND APOPTOSIS MEDIATED BY SODIUM BUTYRATE IN CACO-2 CELLS WITH ALGAL GLYCOLIPIDS," In Vitro Cellular & Developmental Biology - Animal 41(5), (1 May 2005). https://doi.org/10.1290/0409058.1
Received: 1 September 2004; Accepted: 5 November 2004; Published: 1 May 2005
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