Abstract
Objective To observe the change of serum-associated factors concentrations in the patients with idiopathic choroidal neovascularization (CNV).Methods The clinical data of 21 patients (21 eyes) with idiopathic CNV (CNV group) and 20 normal individuals (control group) were retrospective analyzed.Serous concentrations of vascular endothelial growth factor (VEGF),tumor necrosis factor α(TNFα),interleukin 1-β(IL1-β),IgG,IgA,IgM,IgE,CH_(50),C_3,C_4 and C-reactive protein (CRP) were assayed by enzyme-linked immunosorbent assay (ELISA) and immunonephelometry.Results The level of VEGF in CNV group was significantly higher than that in control group (t=2.340,P=0.025).The level of IgE in CNV group was significantly lower than that in control group(Z=-2.765,P=0.006).The other factors were not significantly different between the two groups(P>0.05).Conclusion VEGF and IgE may play an important role in the formation of idiopathic CNV. Key words: Choroidal neovascularization/etiology; Vascular endothelial growth factors; Immunoglobulin E
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