Journal
CANCER MEDICINE
Volume 7, Issue 9, Pages 4791-4800Publisher
WILEY
DOI: 10.1002/cam4.1732
Keywords
AKT; apoptosis; DAW22; ERK; MPNST
Categories
Funding
- Research Grants Council Collaborative Research Fund Scheme, Hong Kong SAR Government [C5012-15E]
- The Hong Kong Polytechnic University, Hong Kong SAR (G-YBTA)
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Malignant peripheral nerve sheath tumors (MPNSTs) are an aggressive form of soft tissue neoplasm with extremely poor prognosis and no effective medical options currently available. MPNSTs can occur either sporadically or in association with the neurofibromatosistype 1 (NF1) syndrome.Importantly, activation of RAS/RAF/MEK/ERK, PI3K/AKT/mTOR, and WNT/CTNNB1 signaling pathways has been reported in both NF1-related and late-stage sporadic MPNSTs. In this study, we found that DAW22, a natural sesquiterpene coumarin compound isolated from Ferula ferulaeoides (Steud) Korov., could inhibit cell proliferation and colony formation in five established human MPNST cancer cell lines. Further molecular mechanism exploration indicated that DAW22 could target the main components in the MPNST tumorigenic pathways: namely suppress phosphorylation of AKT and ERK, and reduce levels of non-phospho (active) CTNNB1. Using the xenograft mouse model transplanted with human MPNST cancer cell line, daily treatment with DAW22 for 25 days was effective in reducing tumor growth. These results support DAW22 as an alternative therapeutic compound for MPNST treatment by affecting multiple signaling transduction pathways in its disease progression.
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