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渗出型年龄相关性黄斑变性患者血清新生血管调控细胞因子水平变化及意义

Journal of Chinese Practical Diagnosis and Therapy(2015)

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Abstract
目的 探讨血清新生血管调控相关细胞因子在渗出型年龄相关性黄斑变性(exudative age-related macular degeneration,eAMD)发病中的作用.方法 采用双抗体夹心ELISA法检测51例eAMD患者(eAMD组)血清血管内皮生长因子(vascular endothelial growth factor,VEGF)、血小板衍生生长因子(platelet derived growth factor,PDGF)、基质金属蛋白酶抑制剂-1 (tissue inhibitor of matrix metalloproteinase-1,TIMP-1)、内皮抑素(endostatin,ES)水平,并与20例体检健康者(对照组)进行比较.结果 eAMD组血清VEGF[(165.14±100.44) ng/L]、PDGF[(62.18±16.94)μg/L]水平高于对照组[VEGF(64.90±19.74) ng/L、PDGF(39.25±8.39)μg/L] (P<0.01),TIMP-1[(76.33±21.63)μg/L]与对照组[(76.61±13.25)μg/L]比较差异无统计学意义(P>0.05),ES[(139.02±40.20) ng/L]低于对照组[(160.85±43.50) ng/L],但差异无统计学意义(P>0.05);ES/VEGF(1.03±0.61)、ES/PDGF比值(2.34±0.88)均较对照组(2.78±1.25、4.34±1.69)降低(P<0.01);对照组VEGF与ES呈负相关(r=-0.700,P=0.002),eAMD组患者血清VEGF与PDGF呈正相关(r=0.610,P=0.000).结论 eAMD患者新生血管细胞因子调节失衡与其脉络膜新生血管发生、发展相关;联合检测血清VEGF、ES、PDGF、TIMP水平对指导eAMD治疗有临床意义.
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Key words
Exudative age-related macular degeneration,cytokines,vascular endothelial growth factor,platelet derived growth factor,tissue inhibitor of matrix metalloproteinase-1,endostatin
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