Potential biomarkers of osteonecrosis in Gaucher disease.
2011
Abstract Background To investigate the relationship between chemokines and cytokines and osteonecrosis in Gaucher disease, we conducted multiplex assays in a cohort of 100 adult patients. Methods Mean age was 45 years (18–86); 92 Gaucher patients received imiglucerase (median duration 8 years (2–18)). Forty-three had experienced osteonecrosis (ON), and eight had ON despite enzyme therapy. Serum cytokines/chemokines were determined by fluorimetric bead arrays in samples from Gaucher patients and healthy volunteers (10 males and 10 females). Intra-assay and inter-assay coefficients of variation were 2%–9.8% and 5.6%–15%, respectively. Results VEGF and CCL5/RANTES did not differ between Gaucher and control samples. Concentrations of CCL3/MIP-1α, CCL4/MIP-1β, CCL2/MCP-1, CXCL8/IL-8, IL-1ra and CCL18/PARC were elevated in Gaucher patients ( p p p Conclusion Numerous serum cytokines are elevated in Gaucher disease. CCL18/PARC, CCL3/MIP-1α, CCL4/MIP-1β, CCL5/RANTES and CXCL8/IL-8 are potential biomarkers of osteonecrosis and may allow prediction of this disabling complication.
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