Abstract

To establish cheese as a dairy product with health benefits, we examined the multifunctional role of cheeses. In this report, we clarify whether different types of commercial cheeses may possess antiproliferative activity using HL-60 human promyelocytic leukemia cell lines as a cancer model. Among 12 cheese extracts tested, 6 (Montagnard, Pont-l’Eveque, Brie, Camembert, Danablue, and Blue) revealed strong growth inhibition activity and induction of DNA fragmentation in HL-60 cells. Based on the quantification of nitrogen contents in different cheese samples, a positive correlation between the ripeness of various cheeses and their antiproliferative activity tested in HL-60 cells was displayed. Four varieties of Blue cheese ripened for 0, 1, 2, or 3 mo demonstrated that the Blue cheese ripened for a long term was capable of causing the strong suppression of the cell growth and the induction of apoptotic DNA damage as well as nucleic morphological change in HL-60 cells. Collectively, these results obtained suggest a potential role of highly ripened cheeses in the prevention of leukemic cell proliferation.

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