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1.
目的探讨趋化因子受体5(CCR5)59029基因多态与中国湖南汉族人2型糖尿病肾病(T2DN)的相关性。方法用聚合酶链式反应限制性片段长度多态性技术(PCR-RFLP)检测282例中国湖南汉族人CCR5 59029多态的基因型。其中T2DN患者180例,包括糖尿病非肾病(DN-)组86例和糖尿病肾病(DN+)组94例;另选正常对照(CON)组102例。对各组的等位基因频率与基因型频率进行比较。结果在湖南汉族人中,DN+组中AA基因型和A等位基因频率高于CON组(P〈0.05)。结论 CCR5 59029基因多态与DN的发生相关。  相似文献   

2.
目的 探讨血管紧张素-1转换酶(ACE)基因多态性与老年人2型糖尿病(T2DM)及糖尿病肾病(DN)易感性之间的关系。方法 应用PCR三条引物法对172例正常老年人(年龄≥60岁),140例5型糖尿病(T2DM)患(其中62例合并DN)的ACE基因多态性进行分析、比较。结果 健康对照组与糖尿病组ACE基因型、等位基因频率无显差异(P>0.05)。在T2DM组中,DD基因型在合并DN患中显增高(P<0.05)。结论 ACE基因多态性与糖尿病易感性无关,但与并发症DN的发病密切相关。  相似文献   

3.
目的研究2型糖尿病患者AT1受体基因1166A/C(ATIR1166A/C)与醛固酮合酶(CYP11B2)基因-344C/T(CYP11B2—344C/T)多态性与糖尿病肾病(DN)的相关性。方法研究对象分为DN组73例,糖尿病非肾病(non-DN)组72例及正常对照(NC)组52名。应用聚合酶链反应-限制性内切酶片断长度多态性(PCR—RFLP)方法检测各组基因多态性。结果DN组AT1R 1166A/CAC基因型和C等位基因频率高于Non-DN组(P均〈0.05)。DN组ATlR1166A/C各基因型临床指标比较,AC基因型患者的BUN、Cr、UA、UAER、SBP和DBP均明显高于AA基因型患者。2型糖尿病患者AT1R 1166A/C多态性与DN相关(P〈0.05),但CYP 11B2—344C/T多态性并未发现与DN相关。结论蚌埠地区汉族人群存在AT1R 1166A/C多态性,其AC基因型与糖尿病肾病有显著相关性。  相似文献   

4.
目的探讨CD14启动子-260位点基因多态性对糖尿病肾病(DN)的影响。方法应用PCR直接测序法对437例2型糖尿病(T2DM)患者(T2DM组)及145例正常者(对照组)的CD14启动子C-260T基因多态性进行分析。结果两组CD14启动子-260位点基因型分布及等位基因频率均无统计学差异(P〉0.05);非DN与DN患者比较,其CD14启动子-260位点CC基因与CT+TT基因有统计学差异(P〈0.05)。结论CD14启动子-260C/T基因多态性与糖尿病发病无相关性,但其CC基因是T2DM患者进展为DN的遗传学风险因素。  相似文献   

5.
AT1R 1166A/C基因多态性与糖尿病肾病的关系研究   总被引:3,自引:0,他引:3  
目的研究2型糖尿病(T2DM)患者血管紧张素Ⅱ1型受体(AT1R)基因1166A/C与糖尿病肾病(DN)的相关性,以及其与DN不同分期的关系。方法将145例T2DM患者分为DN组与非肾病组(NDN组),DN组分为微量白蛋白尿期、临床白蛋白尿期和肾功能不全期。另择52例健康人作为正常对照组(NC组)。分析各组的基因型。结果①DN组AC基因型和C等位基因频率显著高于NDN组(P均〈0.05);②DN组微量白蛋白尿期、临床白蛋白尿期和肾功能不全期AC基因型和C等位基因频率随肾功能减退而增高;③DN组AC基因型患者BUN、Cr、UA、UAER、SBP、DBP均显著高于AA基因型患者(P均〈0.05);④AC基因型与DN显著相关(P〈0.05)。结论蚌埠地区汉族人群存在AGT1R 1166A/C多态性;其中AC基因型与T2DM肾病显著相关,可能有助于DN的预防及基因靶向治疗。  相似文献   

6.
目的探索葡萄糖转运蛋白(GluT1)基因多态性与糖尿病肾病(DN)预后的关系。方法应用PCR-RFLP方法对102例DN患者的GluT1基因多态性进行观察,分析并比较不同基因型患者的临床特征,并对其中61例DN患者进行了1~7年的随访。结果(1)GluT1基因XbaI(+)、XbaI(-)两种等位基因在正常人群的发生频率分别为79%和21%,在DN患者中的发生率分别为72%和28%,DN组XbaI(-)等位基因和XbaI(-/-)基因型的发生频率明显高于正常人群(P〈0.05)。(2)XbaI(+/+)、XbaI(+/-)、XbaI(-/-)三种基因型患者的平均肾存活时间分别为67个月,67个月,44个月,XbaI(-/-)基因型患者的肾存活率明显低于XbaI(+/+)和XbaI(+/-)基因型患者(P〈0.05)。结论GluT1基因XbaI(-)等位基因不仅与DN的易感性相关,而且与DN的预后有关。  相似文献   

7.
血管紧张素转换酶基因多态性与2型糖尿病肾病的相关性   总被引:5,自引:0,他引:5  
王群  马增霞  邱书娟 《山东医药》2007,47(26):71-72
应用PCR技术检测144例2型糖尿病患者(T2DM组)的血管紧张素转换酶(ACE)基因插入/缺失(I/D)多态性,并与67例健康人(对照组)比较,结果两组间ACE等位基因、基因型频率无显著性差异(P〉0.05);T2DM组伴DN者(80例)DD基因型频率显著高于不伴DN者(64例)(P〈0.05);DN患者中肾功能不全者DD基因型及D等位基因频率均明显高于肾功能稳定者(P〈0.05)。提示ACE基因I/D多态性与T2DM的易感性无关,与DN的发生、发展密切相关。  相似文献   

8.
目的 探讨单核细胞趋化蛋白(MCP-1)基因调节区A2518G多态性与湖南汉族人2型糖尿病(T2DM)合并肾病之间的关系。方法 运用聚合酶链反应限制性片段长度多态性技术(PCR-RFLP),结合DNA测序技术,检测了单纯糖尿病(DM)组86例,糖尿病肾病(DN)组94例;正常对照(NC)102例,282例湖南汉族人的MCP-1基因调节区A2518G多态性。结果 DN组MCP-1G/G基因型频率和G等位基因频率高于DM组、NC组,但差异无统计学意义(P〉0.05)。结论 (1)糖代谢紊乱和脂代谢紊乱是DN发生发展的危险因素;(2)MCP-1A2518G多态性与DN发病无相关性。  相似文献   

9.
王晓青  王鹏虎 《山东医药》2011,51(23):109-110
目的探讨血清基质金属蛋白酶-9(MMP-9)和TNF-α在糖尿病肾病(DN)发生、发展中的作用。方法研究对象为90例2型糖尿病患者(DM组,单纯2型糖尿病26例、早期DN34例、临床DN30例)及20例健康体检者(对照组),均抽取空腹静脉血,采用ELISA法测定血清MMP-9及TNF-α水平。结果 DM组DN患者血清MMP-9水平显著低于对照组及单纯糖尿病者,血清TNF-α水平显著高于对照组及单纯糖尿病者,且均随病情加重而逐渐降低或增高(P均〈0.05)。结论 MMP-9及TNF-α在DN发生及发展过程中起重要作用,检测其血清水平有助于对DN患者进行病情及预后判断。  相似文献   

10.
王锡国 《山东医药》2010,50(37):32-33
目的 探讨2型糖尿病肾病(DN)患者血清基质金属蛋白酶-9(MMP-9)、高敏C-反应蛋白(hs-CRP)、TNF-α变化及其临床意义.方法 选择2型糖尿病(T2DM)患者90例,根据尿白蛋白排泄率(UAER)分为单纯糖尿病(DM)组28例、早期糖尿病肾病(DN1)组33例、临床糖尿病肾病(DN2)组29例;另选体检健康者30例作为对照组.采用ELISA法检测各组血清MMP-9、hs-CRP、TNF-α.结果 DM组、DN1组、DN2组血清MMP-9、hs-CRP、TNF-α均高于对照组(P均<0.05);DM组、DN1组、DN2组血清MMP-9、hs-CRP、TNF-α逐渐升高,组间比较均有统计学差异 (P均<0.05).结论 MMP-9、hs-CRP、TNF-α是DN病程中的重要炎症介质,三者在DN发生、发展中可能起重要作用.  相似文献   

11.
Recent studies suggest that the accumulation of atypical, 1-deoxysphingolipids that lack the C1 hydroxyl group may be associated with diabetic neuropathy (DN). We hypothesized that specific plasma 1-deoxysphingolipids associate with DN severity, and that alterations in plasma serine and alanine associate with 1-deoxysphingolipid elevation in patients with type 2 diabetes (T2D). We examined individual 1-deoxysphingolipid species using LC/MS/MS in plasma samples from 75 individuals including lean controls (LC, n = 19), those with obesity (n = 19), obesity with T2D without DN (ob/T2D, n = 18), and obesity with T2D with DN (Ob/T2D/DN, n = 19). We observed a step wise increase in 1-deoxydihydroceramides across these four groups (spearman correlation coefficient r = 0.41, p = 0.0002). Mean total concentrations of 1-deoxydihydroceramides, and most individual 1-deoxydihydroceramide species, were higher in ob/T2D/DN versus LC group (8.939 vs. 5.195 pmol/100 μL for total 1-deoxydihydroceramides p = 0.005). No significant differences in 1-deoxydihydroceramides were observed between the ob/T2D and ob/T2D/DN groups. l-alanine was higher and l-serine lower in ob/T2D/DN versus LC groups (326.2 vs. 248.0 μM, p = 0.0086 and 70.2 vs. 89.8 μM, p = 0.0110), consistent with a potential contribution of these changes to the observed 1-deoxysphingolipids profiles. 1-deoxydihydroceramides correlated inversely with leg intraepidermal nerve fiber density (CC -0.40, p = 0.003). These findings indicate that 1-deoxydihydroceramides may be important biomarkers and/or mediators of DN.  相似文献   

12.
目的 探讨环氧化酶2基因启动子区-765G/C多态性与昆明地区汉族2型糖尿病患者糖尿病肾病发生、发展的相关性.方法 选取2008年1月至12月昆明医学院第一附属医院糖尿病科收治住院的2型糖尿病患者252例,根据24 h尿白蛋白排泄率或随机尿白蛋白/肌酐比值分至无糖尿病肾病组(n=100)、隐性糖尿病肾病组(n=78)、显性糖尿病肾病组(n=74).运用聚合酶链反应-限制性片段长度多态性方法检测环氧化酶2基因启动子区-765G/C多态性.检测血糖、血脂和其他生化指标.运用χ^2检验比较各组基因型频率和等位基因频率,运用方差分析比较各组相关临床及生化指标,采用logistic回归分析评价影响糖尿病肾病发生、发展的危险因素.结果 两糖尿病肾病组-765GG基因型频率与无糖尿病肾病组存在明显差异(0.901 vs 0.810;χ^2=4.309,P<0.05).糖尿病肾病患者中,-765GG基因型携带者空腹血糖、餐后2 h血糖与非携带者存在明显差异[分别为(7.9±4.0)vs(5.9±1.7)mmol/L,(12±5)vs(9±4)mmol/L;t值分别为0.001、0.020,均P<0.05=.logistic回归分析提示,-765GG基因型是糖尿病肾病发生的独立危险因素之一[比值比(OR)=3.25,95%可信区间(CI)为1.336~7.901].结论 在昆明地区汉族2型糖尿病患者中,环氧化酶2基因启动子区-765GG基因型与糖尿病肾病的发生、发展有关.  相似文献   

13.
AIMS: To investigate association and linkage between DNA sequence variants in the aldose reductase (AR) gene on chromosome 7q35 and diabetic nephropathy (DN) in Type 1 diabetes mellitus. METHODS: By sequencing the promoter region and 10 exons in eight DN cases and eight controls, a frequent bi-allelic polymorphism (C-106T) was discovered. This polymorphism and the known 5'ALR2 dinucleotide repeat polymorphism were genotyped in unrelated cases with advanced nephropathy (n = 221) and unrelated controls with normoalbuminuria (n = 193). For a family based study, 166 case-trios (case and both parents) and 83 control-trios (control and both parents) were also genotyped. RESULTS: In the case-control study, carriers of the Z-2 allele of the 5'ALR2 polymorphism had a significantly higher risk of DN than non-carriers (odds ratios: 1.6 for heterozygotes and 2.1 for homozygotes, P<0.05 for each). The same was true for carriers of the T allele of the C-106T polymorphism (odds ratios: 1.6 for heterozygotes and 1.9 for homozygotes, P<0.05 for each). Moreover, the haplotype carrying both risk alleles was in excess in DN cases. In the family study, transmission of risk alleles from heterozygous parents was consistent with the case-control study, excess transmission in case-trios and deficient in control-trios. CONCLUSIONS: Association between DN and two DNA sequence variants in the promoter region of the AR gene implicates the polyol pathway in the development of kidney complications in Type 1 diabetes mellitus. Further examination of the molecular mechanisms underlying these findings may provide insight into the pathogenesis of DN.  相似文献   

14.
目的探讨糖尿病视网膜病变(DR)合并糖尿病肾病(DN)的危险因素及预测价值。方法回顾性分析2017年5月至2018年5月南京医科大学附属无锡市人民医院内分泌科收治的2型糖尿病(T2DM)患者1 969例,其中糖尿病视网膜病变(DR)合并糖尿病肾病(DN)患者609例,单纯DR患者746例,未并发DN和DR患者614例,比较3组患者的血糖、血压、肝功能和肾功能指标水平,分析DR合并DN的危险因素及预测价值。采用SPSS 18.0统计软件对数据进行分析。组间比较采用单因素方差分析或χ~2检验。多因素logistic回归分析DR合并DN的危险因素。受试者工作特征(ROC)曲线分析因素预测DR合并DN的价值。结果除高密度脂蛋白胆固醇(HDL-C)水平和左侧颈动脉内膜中层厚度(IMT)外,3组患者其余指标差异均具有统计学意义(P0.05)。多因素logistic回归分析结果显示年龄(OR=0.966,95%CI 0.932~1.000; P=0.049)、白蛋白(ALB)(OR=0.872,95%CI 0.837~0.908; P0.001)、服用他汀类药物(OR=0.400,95%CI 0.265~0.606; P0.001)是DR合并DN的保护因素,高血压病程(OR=1.021,95%CI 1.005~1.037; P=0.011)、收缩压(OR=1.018,95%CI 1.007~1.029; P=0.002)、空腹血糖(OR=1.054,95%CI 1.002~1.108; P=0.040)、甘油三酯(OR=1.133,95%CI 1.021~1.256;P=0.019)、低密度脂蛋白胆固醇(OR=1.355,95%CI 1.017~1.805; P=0.038)、血尿酸(OR=1.124,95%CI 1.016~1.244;P=0.023)、胱抑素C(OR=2.466,95%CI 1.495~4.068; P0.001)、眼底评分(OR=1.275,95%CI 1.088~1.494; P=0.003)、左室后壁厚度(OR=1.306,95%CI 1.051~1.622; P=0.016)和颈动脉粥样斑块形成(OR=1.578,95%CI 1.051~2.370;P=0.028)为危险因素。ROC曲线分析结果表明胱抑素C预测DR合并DN价值最高,AUC为0.677。结论 T2DM患者DR合并DN的患病率较高,其发生与多种因素相关,其中,胱抑素C预测DR合并DN价值最高。  相似文献   

15.
AimThe aim of this study was to investigate the role of elevated glycated LDL (low-density lipoprotein) in the progression of diabetic kidney disease among type 2 diabetes (T2D) subjects.Materials and methodsThis case-control observational study is a part of Saudi Diabetes Kidney Disease (SAUDI-DKD) study conducted during the period from April 2014 to June 2015. This study cohort is divided into two groups; the first group was T2D patients without diabetic nephropathy (DN) (n = 24) and the second group was T2D with DN (n = 45). Serum glycated LDL levels were determined by ELISA. Pearson's correlation analysis was performed, and the diagnostic accuracy was assessed using the area under the ROC curve.ResultsThere was a threefold increase of serum glycated LDL level among diabetic subjects when compared with non-diabetic subjects and this level progressively increased with the progression of DN. The glycated LDL was found to have a significant diagnostic accuracy with AUC of 0.685 and 0.775 for cases with microalbuminuria and macroalbuminuria respectively.ConclusionThe glycated LDL could play a significant role in predicting diabetic patients who are susceptible to develop DN among T2D patients.  相似文献   

16.
OBJECTIVE: Genetic determinants are important in diabetic nephropathy (DN). Oxidative stress has also emerged as an important pathogenic factor in DN and vascular NADH oxidase is a major source of reactive oxygen species (ROS). Previous small studies reported a strong but contradictory association between functional genetic variation of p22(phox), an important subcomponent of NADH oxidase, and DN. We investigated the association between two common functional single nucleotide polymorphisms (SNPs) (-930 A > G and +242 C > T) and DN in a much larger group of Chinese patients with Type 2 diabetes mellitus (T2DM). RESEARCH DESIGN AND METHODS: Case-control study of Chinese subjects with long-standing T2DM (> 10 years). Cases (n = 306) were subjects with a spot urinary albumin : creatinine ratio (ACR) of > 113 mg/mmol or elevated serum creatinine. Control subjects (n = 306) had ACR < 3.3 mg/mmol and normal serum creatinine. Genotyping was carried out by standard PCR and restriction fragment length polymorphism analysis. RESULTS: Gender distribution, age, duration of diabetes and HbA(1c) were similar in cases and control subjects. Distribution of genotypes in the control subjects for both SNPs was consistent with the Hardy-Weinberg equilibrium. Distribution of genotypes did not differ significantly between cases and control subjects for both polymorphisms-+2424C > T: cases CC 84.6%, CT 15.0%, TT 0.4% and control subjects CC 87.6%, CT 11.8%, TT 0.6% (P = 0.45); -930 A > G: cases AA 40.5%, AG 41.8%, GG 17.7% and control subjects AA 38.2%, AG 49.0%, GG 12.8% (P = 0.12). Distribution of alleles was also similar-+2424 C > T: cases C 92.2%, T 7.8% and control subjects C 93.5%, T 6.5% (P = 0.66); -930 A > G cases A 61.4%, G 38.6% and control subjects A 62.7%, G 37.3% (P = 0.38). We estimated that our study has approximately 80% power to detect a relative risk of 1.65 (for +242 C > T) and 1.35 (for -930 A > G) conferred by the minor allele, respectively. CONCLUSIONS: In contrast with previous small studies, our data suggest that these SNPs do not confer significantly increased susceptibility to DN secondary to T2DM in Chinese subjects.  相似文献   

17.
OBJECTIVE: Oxidative stress plays an important role in the development of diabetic neuropathy (DN). Antioxidant enzymes reduce enhanced oxidative stress in the peripheral nerve. Genetic variations within the antioxidant genes therefore could be implicated in the pathogenesis of DN. METHODS: Using a PCR-RFLP assay, a total of 216 Russian type 1 diabetic (T1D) patients with DN and 250 T1D individuals without DN have been tested to verify whether the -262T > C and 1167C > T polymorphisms of the catalase (CAT), 197Pro > Leu amino acid substitution of the glutathione peroxidase 1 (GPX1) and +/null polymorphism of the glutathione S-transferase M1 (GSTM1) and T1 (GSTT1) genes contribute to susceptibility to DN. RESULTS: Association between the -262T > C polymorphism of the CAT gene and DN was shown. The -262TT genotype of the CAT gene was significantly associated with higher erythrocyte catalase activity in blood of DN patients compared to the -262CC genotype (17.8 +/- 2.7 x 104 IU/g Hb vs. 13.5 +/- 3.2 x 104 IU/g Hb, P = 0.0022). CONCLUSIONS: These data suggest a protective role of the -262T allele of the CAT gene against the rapid development of DN in T1D (Odds Ratio = 0.7 [95% confidence interval 0.54-0.9], P = 0.002).  相似文献   

18.
Systemic lupus erythematosus (SLE) is characterized by B cell hyperactivity and the production of autoantibodies, some of which (antibodies to dsDNA) are thought to be pathogenic. T helper cells drive the production of autoantibodies and the aim of this study is to characterize phenotypically a subpopulation of T cells (the CD3+ CD4- CD8-, double negative (DN) T cells) previously identified as helping to enhance anti-DNA antibodies in patients with SLE. Data were obtained using FACS staining of DN T cells that had been purified from PBMCs by magnetic bead separation. The percentage of TCR alphabeta+ DN T cells was found to be significantly higher in patients with SLE as compared with controls (P = 0.02), although there was no significant increase in total percentage of DN T cells, which includes TCR gammadelta+ cells. Activation markers HLA-DR and CD69, the costimulatory molecule CD28 and CTLA-4 were all expressed on the surface of a higher percentage of DN T cells in patients with SLE than in patients with rheumatoid arthritis (RA) or healthy controls (HC). More DN T cells from patients with SLE were of CD45RA phenotype than was found in controls, while CD45RO-expressing cells were reduced. In addition, DN T cells from patients with SLE expressed significantly higher levels of HLA-DR (P = 0.006), CD28 (P = 0.05), CTLA4 (P = 0.03) and CD45RA (P = 0.05) on the cell surface than those from the CD4/8 population. Correlation of expression of the markers measured with various parameters of disease activity and severity showed that high levels of HLA-DR expression correlated with high circulating serum C3 (> 0.9 IU/ml), indicating that an activated phenotype is consistent with severe disease.  相似文献   

19.
AIM: To investigate the association between angiotensin-converting enzyme gene I/D polymorphism and diabetic nephropathy (DN) in patients with Type 2 diabetes mellitus (DM) taking into consideration the known duration of DM. METHODS: Cross-sectional study with 982 patients categorized according to urinary albumin excretion (UAE) into normoalbuminuria (UAE < 20 microg/min or < 17 mg/l, 24-h timed urine or spot random sterile urine, respectively), incipient DN (UAE 20-199 microg/min or 17-174 mg/l) and overt DN (UAE > 200 microg/min or > 174 mg/l or dialysis). Patients were further grouped regarding presence of the D allele (DD/ID vs. II) and DM duration (< or = 10 years or > 10 years). RESULTS: Incipient DN was diagnosed in 17.3% (n = 170), and 20.7% (n = 203) had overt DN (macroalbuminuria, n = 129; dialysis, n = 74). Genotype distribution (DD/ID/II) was similar in patients with incipient (49/92/29) or overt DN (77/89/37) if compared with patients without DN (181/308/120, P = 0.172). In patients with DM < or = 10 years, having the D allele (DD/ID) resulted in an odds ratio (OR) of 2.66 (95% CI: 1.12-6.58, P = 0.015) for incipient DN, and 3.19 (95% CI: 1.18-9.30, P = 0.012) for overt DN. In patients with longer DM duration, the D allele did not increase the risk for incipient (OR 0.68, 95% CI 0.36-1.29, P = 0.206) or overt DN (OR 0.67, 95% CI 0.39-1.17, P = 0.138). CONCLUSION: The DD/ID genotypes were associated with incipient or overt DN in patients with DM < or = 10 years.  相似文献   

20.
目的探讨老年糖尿病肾病早期患者血尿酸水平与冠心病的关系。方法选取2008~2010年在我院老年科住院的年龄/〉60岁的糖尿病肾病患者以及同时合并冠心病患者共317例,分为糖尿病肾病合并冠心病组(98例)和糖尿病肾病组(219例),测定血尿酸、血脂、血糖等生化指标,分析尿酸水平与糖尿痛肾病合并冠心病的相关性。结果糖尿病肾病合并冠心病组与糖尿病肾病组比较,血尿酸水平显著增高(P〈0.01)。结论血尿酸增高是糖尿病肾病合并冠心痛的一个重要危险因素。  相似文献   

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