Abstract
ABSTRACTPyropolyporus fomentarius (L. ex Fr.) Teng is a unique woody mushroom due to its medicinal value with numerous pharmacological activities. This study presented the potential antitumor and immunomodulatory properties of ethanol extract of P. fomentarius. The results showed that P. fomentarius extract inhibited the viability of murine leukemia L1210 cells in a dose-dependent manner with IC50 value of 69.35 μg/ml. Flow cytometry analysis demonstrated that the extract induced apoptosis in L1210 cells. Additionally, the decline of mitochondrial membrane potential was observed as well as the changes of caspase-3, caspase-9, Bcl-2, and Bax, suggesting that proapoptosis effect of the extract involved mitochondria-related pathway. Simultaneously, the P. fomentarius extract significantly enhanced the proliferation and activation of splenic lymphocytes in a dose-dependent manner. This P. fomentarius extract has potential applications as a natural antitumor agent with immunomodulatory activity.
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