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Three-Dimensional Bone Extracellular Matrix Model for Osteosarcoma
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SDF-1 Expression is Associated with Poor Prognosis in Osteosarcoma.
Dangen Yu1, Fei Lv1, Jianhe Zhang1
1Department of Orthopedics, Jizhong Energy Fengfeng Group Hospital, Handan, Hebei, P. R. China.
Annals of Clinical and Laboratory Science
|September 22, 2016
Summary
Stromal cell-derived factor-1 (SDF-1) and vascular endothelial growth factor (VEGF) are linked to poor outcomes in osteosarcoma. SDF-1 shows potential as an independent prognostic indicator for this bone cancer.
Area of Science:
- Oncology
- Molecular Biology
- Biochemistry
Background:
- Stromal cell-derived factor-1 (SDF-1) is linked to poor prognosis in some cancers.
- Vascular endothelial growth factor (VEGF) drives tumor angiogenesis and metastasis.
- SDF-1 may enhance VEGF expression, promoting tumor progression and adverse outcomes.
Purpose of the Study:
- To investigate SDF-1 and VEGF expression in osteosarcoma patients.
- To determine the association between SDF-1 and VEGF levels and clinical outcomes.
- To evaluate SDF-1 and VEGF as potential prognostic markers for osteosarcoma.
Main Methods:
- Studied 54 osteosarcoma patients.
- Assessed SDF-1 and VEGF protein levels using immunohistochemistry and immunofluorescence.
- Analyzed correlations with clinical parameters using chi-square and Spearman-rho tests.
- Employed Cox regression and Kaplan-Meier analysis for prognostic evaluation.
Main Results:
- High SDF-1 and VEGF expression observed in 44.4% and 40.7% of patients, respectively.
- Both factors significantly correlated with histologic grade, metastasis, and Enneking stage.
- SDF-1 and VEGF expression showed a positive correlation (r=0.618, p<0.001).
- SDF-1, but not VEGF, emerged as an independent prognostic indicator in multivariate analysis (HR=2.640).
Conclusions:
- SDF-1 and VEGF expression levels are significantly associated with osteosarcoma.
- SDF-1 expression is a potential independent prognostic indicator in osteosarcoma patients.
- These findings highlight the roles of SDF-1 and VEGF in osteosarcoma progression.
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