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IgA肾病患者血浆褪黑素水平与氧化应激的关系
引用本文:钱白音,杜艺,崔彤霞,李中和,张桦.IgA肾病患者血浆褪黑素水平与氧化应激的关系[J].中国中西医结合肾病杂志,2014(10):884-886.
作者姓名:钱白音  杜艺  崔彤霞  李中和  张桦
作者单位:中山大学附属第五医院肾内科,珠海519000
基金项目:本课题为珠海市科技计划项目(No.PC2081087)
摘    要:目的:探讨 IgA 肾病肾功能正常患者血浆褪黑素水平与氧化应激的关系,为褪黑素用于治疗 IgA 肾病提供科学依据。方法:分为健康对照组(n =22)及 IgA 肾病肾功能正常组(n =48)。采用酶联免疫吸附法(ELISA)测定各组血浆褪黑素水平及分光光度法测定各组血浆丙二醛(MDA)、超氧化物歧化酶(SOD)水平。结果:与正常对照组相比,IgA 肾病肾功能正常组患者血浆褪黑素降低(64.05±29.23)ng/ L vs.(80.54±35.12)ng/ L,P 〈0.05],而血浆 MDA 水平升高(45.17±26.47)U/ ml vs.(31.14±26.00)U/ ml,P 〈0.05],血浆 SOD 水平下降(76.25±19.34)U/ ml vs.(86.71±18.55)U/ ml,P 〈0.05)。进一步分析结果显示,IgA 肾病患者血浆褪黑素水平与 MDA 水平呈负相关(r =-0.308,P 〈0.05),与 SOD 水平呈正相关(r =0.321,P 〈0.05)。结论:IgA 肾病肾功能正常患者血浆褪黑素水平较健康人降低,血浆 MDA 水平随血浆褪黑素水平降低而升高,血浆 SOD 水平随血浆褪黑素水平降低而降低。提示血浆褪黑素水平的降低引起机体抗氧化能力的下降,进而参与了 IgA 肾病的进展。补充外源性褪黑素可能为治疗 IgA 肾病具有潜力的方法。

关 键 词:褪黑素  肾病  丙二醛  超氧化物歧化酶

Relationship of Blood Plasma Melatonin Levels and Oxidative Stress in Patients with IgA Nephropathy
Institution:QIAN Baiyin, DU Yi, CUI Tongxia, et al (Department of Nephrology, the Fifth Affiliated Hospital of SUN Yat - sen University, Zhuhai (519000)
Abstract:Objective:To study the relationship of blood plasma melatonin levels and oxidative stress in patients with IgA nephropathy,and provide a basis for the treatment of IgA nephropathy with melatonin. Methods:Blood plasma melatonin levels and MDA levels,SOD levels were measured by using ELISA and spectrophotography in 48 no renal failure IgA nephropathy patients,and in 22 normal people(control group). Results:Compared with control group,blood plasma melatonin levels in no renal failure IgA ne-phropathy patients significantly decreased(64. 05 ± 29. 23)ng/ L vs. (80. 54 ± 35. 12)ng/ L,P 〈 0. 05],MDA levels increased (45. 17 ± 26. 47)U/ ml vs.(31. 14 ± 26. 00)U/ ml,P 〈 0. 05],and SOD levels decreased(76. 25 ± 19. 34)U/ ml vs.(86. 71 ± 18. 55)U/ ml,P 〈 0. 05]. Blood plasma melatonin levels in no renal failure IgA nephropathy patients is in negative correlation to plasma MDA levels(r = - 0. 308,P 〈 0. 05),and is in positive correlation to plasma SOD levels(r = 0. 321,P 〈 0. 05). Conclu-sion:Blood plasma melatonin levels decreased in no renal failure IgA nephropathy patients. Reduction of blood plasma melatonin lev-els in no renal failure IgA nephropathy patients might lead to elevation of plasma MDA and reduction of plasma SOD. Supplement of exogenous melatonin might be a promising treatment for IgA nephropathy in patients.
Keywords:IgA  Melatonin  IgA nephropathy  MDA  SOD
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