PT - JOURNAL ARTICLE AU - DONG-QING XU AU - XIAO-JUN YUAN AU - MASAHIRO HIRAYAMA AU - HIDEMI TOYODA TI - Huaier Extract Induces Apoptosis in Hepatoblastoma Cells <em>Via</em> the MEK/ERK Signaling Pathway AID - 10.21873/invivo.12051 DP - 2020 Sep 01 TA - In Vivo PG - 2381--2388 VI - 34 IP - 5 4099 - http://iv.iiarjournals.org/content/34/5/2381.short 4100 - http://iv.iiarjournals.org/content/34/5/2381.full SO - In Vivo2020 Sep 01; 34 AB - Background/Aim: Huaier extract, whose main active constituent is the proteoglycan, has anti-tumor activity in several types of malignancies. In this study, we aimed to elucidate the effect of Huaier extract in hepatoblastoma cells. Materials and Methods: The effect of Huaier extract on the proliferation of human hepatoblastoma cell lines HepG2 and HuH-6, was examined. Results: Incubation with Huaier extract resulted in a marked, dose-dependent decrease in hepatoblastoma cell viability. Huaier extract induced S phase arrest in hepatoblastoma cells and upregulated the expression of the cell cycle related proteins cyclin D1 and cyclin D3. It also induced apoptosis in hepatoblastoma cells. Additionally, it significantly suppressed the activity of p-ERK and p-MEK. Conclusion: Huaier extract inhibits proliferation, and induces cell apoptosis and cell cycle arrest via the MEK-ERK pathway in hepatoblastoma cells. Huaier extract may act as a complementary agent for treating hepatoblastoma.