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Prediction of diabetic retinopathy: role of oxidative stress and relevance of apoptotic biomarkers

机译:糖尿病性视网膜病变的预测:氧化应激的作用与凋亡生物标志物的相关性

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Abstract Diabetic retinopathy (DR) is the foremost cause of blindness in working-aged worldwide; it is characterized by vascular and neuronal degeneration. Features of DR include leukocyte adhesion, increased vascular permeability, neovascularization and neuronal cell death. Early diagnosis and intervention are important to prevent or at least ameliorate the development of DR. Recent reports indicate that pathophysiological mechanisms leading to diabetic retinopathy include oxidative stress and retinal cell death cascades. Circulating biomarkers of oxidative stress such as malondialdehyde (MDA), thiobarbituric acid reacting substances (TBARS), conjugated diene (CD), advanced oxidation protein products (AOPP), protein carbonyl, 8-hydroxydeoxyguanosin (8-OHdG), nitrotyrosine, and F(2) isoprostanes and pro-apoptosis molecules (caspase-3, Fas, and Bax) are associated with increased susceptibility to develop DR in diabetic subjects. Thus, identification of oxidative stress and cell death biomarkers in diabetic patients could be in favor of predicting, diagnosis, and prevention of DR, and to target for novel therapeutic interventions.
机译:摘要糖尿病性视网膜病(DR)是全世界工作年龄失明的最主要原因。它的特征是血管和神经元变性。 DR的特征包括白细胞粘附,增加的血管通透性,新血管形成和神经元细胞死亡。早期诊断和干预对预防或至少改善DR的发展很重要。最近的报道表明导致糖尿病性视网膜病的病理生理机制包括氧化应激和视网膜细胞死亡级联。氧化应激的循环生物标记,如丙二醛(MDA),硫代巴比妥酸反应物质(TBARS),共轭二烯(CD),高级氧化蛋白产物(AOPP),蛋白羰基,8-羟基脱氧鸟苷(8-OHdG),硝基酪氨酸和F (2)异前列腺素和促凋亡分子(caspase-3,Fas和Bax)与糖尿病患者发生DR的敏感性增加相关。因此,在糖尿病患者中氧化应激和细胞死亡生物标志物的鉴定可能有助于DR的预测,诊断和预防,并以新颖的治疗干预为目标。

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