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find Author "ZHU Minyan" 1 results
  • Investigation of concentration of vascular endothelial growth factor in plasma and intraocular liquid in diabetic retinopathy

    Objective To detect the concentration of vascular endothelial growth factor (VEGF) in plasma and intraocular liquid (aqueous humor and vitreous body) in patients with deabetic retinopathy (DR) and the role VEGF plays in the development of DR. Methods The concentrations of VEGF in plasma, aqueous humor and vitreous body in DR and normal group were detected by ELISA. Results The concentration of VEGF in plasma was (34.47plusmn;1.76) pg/ml in non-DR group, (53.93plusmn;3.08) pg/ml in single DR group, (53.36plusmn;3.28) pg/ml in proliferative DR group, and (178.30plusmn;10.13) pg/ml in control group. There was no significant difference in the normal and the experimental groups (P<0.05). The concentration of VEGF in aqueous humor was (184.8plusmn;12.60) pg/ml in proliferative DR group and (90.06plusmn;8.32) pg/ml in the control group, and there was significant difference between them (P<0.05). The concentration of VEGF in vitreous body was (741.70plusmn;92.02) pg/ml in proliferative DR group and (94.38plusmn;21.21) pg/ml in the control group, and there was significantdifference between them (P<0.05). There was no correlation of VEGF concentration in plasma and that in aqueous humor and vitreous respectively(P>0.05), and positive correlation of VEGF concentration was found in vitreous body and HbA1c (r=0.9067,P<0.01). Conclusions Concentration of VEGF in plasma in patients with DR is lower than that in the normal persons,but not correlated with the concentration of VEGF in aqueous humor and vitreousbody. The concentration of VEGF in aqueous humor and vitreous body increase in patients with proliferative DR, and the increase in vitreous body and the value of HbA1c of the patients correlate. (Chin J Ocul Fundus Dis,2004,20:343-345)

    Release date:2016-09-02 05:58 Export PDF Favorites Scan
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