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Oncol Rep. 2012 Jul;28(1):41-8. doi: 10.3892/or.2012.1772. Epub 2012 Apr 23.

Allicin inhibits cell growth and induces apoptosis in U87MG human glioblastoma cells through an ERK-dependent pathway.

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Department of Neurosurgery, Pusan National University Hospital, Pusan National University School of Medicine, Busan 602-739, Republic of Korea.


Allicin, the main flavor compound in garlic, has anti-carcinogenic activities in a range of cancer cells, however, the underlying molecular mechanisms are not completely understood. This study examined the effect of allicin on the cell viability of U87MG human glioma cells along with its molecular mechanisms of induction of cell death. Apoptosis was determined by TUNEL and Hoechst 33258 staining as well as by western blot analysis. Allicin inhibited the cell viability of U87MG human glioma cells in a dose- and time-dependent manner. Allicin-induced inhibition of cell viability was due to apoptosis of cells. The mechanisms of apoptosis were found to involve the mitochondrial pathway of Bcl-2/Bax, the MAPK/ERK signaling pathway and antioxidant enzyme systems. These results suggest that allicin can serve as a novel chemotherapeutic candidate for the treatment of glioblastoma multiforme.

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