Walters, D K; Steinmann, P; Langsam, B; Schmutz, S; Born, W; Fuchs, B (2008). Identification of potential chemoresistance genes in osteosarcoma. Anticancer Research, 28(2A):673-679.
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BACKGROUND: Osteosarcoma (OS) is an aggressive bone malignancy that primarily affects children and adolescents. Patients with metastatic disease at diagnosis have only a 20% survival rate. The poor survival rate of these patients is largely due to their lack of responsiveness to chemotherapy. However, the mechanisms underlying osteosarcoma chemoresistance remain unknown. MATERIALS AND METHODS: The effect of cisplatin, doxorubicin and etoposide was examined on OS cell lines. Affymetric Genechip analysis was used to examine differential gene expression. RESULTS: A correlation between increasing metastatic potential and increasing chemoresistance was observed in the MG-63 cell line and sub-line model. Microarray analysis of these cell lines revealed the differential expression of several genes potentially involved in chemoresistance including ABCG2, ADD3, NMT2, WNTSa and PTN. CONCLUSION: The identification of genes contributing to chemoresistance and determining the role these genes play is critical in characterizing patient responsiveness and overcoming chemoresistance in osteosarcoma patients.
|Item Type:||Journal Article, refereed, original work|
|Communities & Collections:||04 Faculty of Medicine > Balgrist University Hospital, Swiss Spinal Cord Injury Center|
|DDC:||610 Medicine & health|
|Deposited On:||09 Feb 2009 17:54|
|Last Modified:||27 Nov 2013 20:45|
|Publisher:||International Institute of Anticancer Research|
|Related URLs:||http://www.iiar-anticancer.org/ (Publisher)|
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