AbnobaVISCUM Fraxini has cell line dependent antitumoral effects in medulloblastoma models.
Anticancer Effects of Viscum album Fraxini Extract on Medulloblastoma Cells in vitro.
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Abstract
BACKGROUND: Mistletoe therapy is frequently administered as a supportive treatment in diverse pediatric cancer entities including brain tumors. Medulloblastoma is the most common brain tumor in childhood. Its high risk to metastasize and its long-term sequelae caused by aggressive chemo- or radiotherapies are still challenging. MATERIAL AND METHODS: Effects of a lectin-rich mistletoe extract, abnobaVISCUM Fraxini, were investigated in two medulloblastoma cell lines (Daoy and ONS-76). Responsiveness of tumor cells was assessed by cell viability assays and xCELLigence real-time analyses. Moreover, impacts on proliferation, cell cycle and apoptosis were investigated. Apoptosis was studied by staining of vital mitochondria and assessing the involvement of caspases. In addition, effects on migration and invasion were analyzed. RESULTS: Both medulloblastoma cell lines were more susceptible to treatment with the mistletoe extract than a nontumorigenic fibroblast cell line. In mistletoe-sensitive Daoy cells, reduction of proliferation and induction of caspase-mediated apoptosis were observed upon administration of 0.05 and 0.5 mg/mL abnobaVISCUM Fraxini treatment, respectively. Furthermore, mistletoe extract inhibited migration and invasion properties in Daoy and significantly impaired invasive capabilities of ONS-76 cells. CONCLUSION: AbnobaVISCUM Fraxini has cell line dependent antitumoral effects in medulloblastoma models. These results call for further investigations, to reveal mechanistic insights into antitumorigenic properties of mistletoe extracts.
Affiliation
Katrin Menke
External References
- PubMed ID:
- 32659760
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