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The In ovo CAM-assay as a Xenograft Model for Sarcoma
Published on: July 17, 2013
Characterisation of new in vitro models and identification of potentially active drugs in angiosarcoma
Marta Mendiola1, Jani Saarela2, Francisco Javier Escudero3
1Molecular Pathology and Therapeutic Targets Group, La Paz University Hospital Institute for Health Research (IdiPAZ), Madrid, Spain; Center for Biomedical Research in the Cancer Network (Centro de Investigación Biomédica en Red de Cáncer, CIBERONC), Institute of Health Carlos III, Madrid, Spain.
Abstract:
Angiosarcoma is a rare soft tissue sarcoma originating from endothelial cells. Given that current treatments for advanced disease have shown limited efficacy, alternative therapies need to be identified. In rare diseases, patient-derived cell models are crucial for screening anti-tumour activity. In this study, cell line models were characterised in 2D and 3D cultures. The cell lines' growth, migration and invasion capabilities were explored, confirming them as useful tools for preclinical angiosarcoma studies. By screening a drug library, we identified potentially effective compounds: 8-amino adenosine impacted cell growth and inhibited migration and invasion at considerably low concentrations as a single agent. No synergistic effect was detected when combining with paclitaxel, gemcitabine or doxorubicin. These results suggest that this compound could be a potentially useful drug in the treatment of AGS.
Insights
Patient-derived angiosarcoma cell models were developed and validated for preclinical research. 8-amino adenosine demonstrated significant anti-cancer effects, inhibiting growth, migration, and invasion in angiosarcoma (AGS) models.
Area of Science:
- Oncology
- Cell Biology
- Pharmacology
Background:
- Angiosarcoma (AGS) is a rare endothelial cell sarcoma with limited treatment options for advanced stages.
- Developing effective preclinical models is crucial for identifying novel therapeutic strategies for rare cancers.
- Patient-derived cell lines offer valuable tools for studying tumor biology and drug screening.
Purpose of the Study:
- To characterize patient-derived angiosarcoma cell lines for 2D and 3D culture applications.
- To evaluate the anti-tumor potential of compounds identified from a drug library screen.
- To assess the efficacy of 8-amino adenosine as a single agent and in combination with standard chemotherapeutics.
Main Methods:
- Characterization of angiosarcoma cell lines in 2D and 3D cultures.
- Assessment of cell growth, migration, and invasion capabilities.
- Drug screening of a compound library, including 8-amino adenosine, and combination studies with paclitaxel, gemcitabine, and doxorubicin.
Main Results:
- Angiosarcoma cell lines were confirmed as suitable preclinical models, exhibiting characteristic growth, migration, and invasion.
- 8-amino adenosine significantly inhibited cell growth, migration, and invasion at low concentrations as a monotherapy.
- No synergistic effects were observed when 8-amino adenosine was combined with paclitaxel, gemcitabine, or doxorubicin.
Conclusions:
- Validated angiosarcoma cell line models are essential for preclinical drug discovery.
- 8-amino adenosine shows promise as a potential therapeutic agent for angiosarcoma treatment.
- Further investigation into 8-amino adenosine's mechanism of action and combination therapies is warranted.
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