Abstract
Hepatocellular carcinoma (HCC) is a highly prevalent disease and treatment is limited. Therefore, development of new therapeutic agents is urgent. The aim of this study was to investigate the in vitro and in vivo anti-cancer effects of Nardostachys jatamansi root extract (NJRE) against HCC and underlying mechanisms involved in such effects. Effects of NJRE on viability of HCC cell lines were determined by MTT analysis and annexin/PI apoptosis assays. Expression levels of proteins in MAPK and STAT3 pathways and caspase-3 and PARP after treatment with NJRE in HCC cell lines were determined by western blotting. In a syngeneic model using mouse HCC cells Hepa1-6, inhibition of tumor formation after oral administration of NJRE was determined and expression levels of phospho-ERK and phospho-STAT3 in liver tissues were analyzed by immunohistochemical staining. NJRE reduced the activation of STAT3 by inhibiting the expression of ERK and finally attenuated the proliferation of HCC. NJRE has anti-cancer effects against HCC. It has potential to be used in the treatment of human HCC.
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