AIM: To investigate the effects of pseudolaric acid B on the growth and apoptosis of glioblastoma cell line U87.METHODS: The cell morphological changes were observed under inverted microscope.The cell viability was evaluated by MTS assay.The cell cycle was analyzed by flow cytometry and Western blot.The cell apoptosis was de-tected by flow cytometry.The changes of apoptosis-related proteins cleaved PARP, caspase-3, procaspase-9 and caspase-8 were determined by Western blot.RESULTS: Pseudolaric acid B inhibited the viability of U87 cells, arrested U87 cells in mitosis.Apoptosis of U87 cells was induced by pseudolaric acid B.The caspase pathway was activated.CONCLUSION:Pseudolaric acid B induces glioblastoma cell line U87 mitotic arrest and apoptosis.
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