BACKGROUND The intricate relationship between type 2 diabetes mellitus(T2DM)and diabetic nephropathy(DN)presents a challenge in understanding the significance of various biomarkers in diagnosis.AIM To elucidate the ro...BACKGROUND The intricate relationship between type 2 diabetes mellitus(T2DM)and diabetic nephropathy(DN)presents a challenge in understanding the significance of various biomarkers in diagnosis.AIM To elucidate the roles and diagnostic values ofα2-macroglobulin(α2-MG),podocalyxin(PCX),α-L-fucosidase(AFU),retinol-binding protein-4(RBP-4),and cystatin C(CysC)in DN.METHODS From December 2018 to December 2020,203 T2DM patients were enrolled in the study.Of these,115 were diagnosed with DN(115 patients),while the remaining 88 patients were classified as non-DN.The urinary levels ofα2-MG,PCX,and AFU and the serum concentrations RBP-4 and CysC were measured in conjunction with other relevant clinical indicators to evaluate their potential correlations and diagnostic utility.RESULTS After adjustments for age and gender,significant positive correlations were observed between the biomarkers CysC,RBP-4,α2-MG/urinary creatinine(UCr),PCX/UCr,and AFU/UCr,and clinical indicators such as urinary albumin-to-creatinine ratio(UACR),serum creatinine,urea,24-h total urine protein,and neutrophil-to-lymphocyte ratio(NLR).Conversely,these biomarkers exhibited negative correlations with the estimated glomerular filtration rate(P<0.05).Receiver operating characteristic(ROC)curve analysis further demonstrated the diagnostic performance of these biomarkers,with UACR showcasing the highest area under the ROC curve(AUC^(ROC))at 0.97.CONCLUSION This study underscores the diagnostic significance ofα2-MG,PCX,and AFU in the development of DN.The biomarkers RBP-4,CysC,PCX,AFU,andα2-MG provide promising diagnostic insights,while UACR is the most potent diagnostic biomarker in assessing DN.展开更多
BACKGROUND Retinopathy is the most common microvascular disease of type 2 diabetes,and seriously threatens the life,health and quality of life of patients.It is worth noting that the development of diabetic retinopath...BACKGROUND Retinopathy is the most common microvascular disease of type 2 diabetes,and seriously threatens the life,health and quality of life of patients.It is worth noting that the development of diabetic retinopathy(DR)can be hidden,with few symptoms.Therefore,the preliminary screening of diabetic patients should identify DR as soon as possible,delay disease progression,and play a vital role in its diagnosis and treatment.AIM To investigate the correlation between glycated hemoglobin A1c(HbA1c),urinary microalbumin(U-mALB),urinary creatinine(U-CR),mALB/U-CR ratio,β2 microglobulin(β2MG),retinol binding protein(RBP)and DR.METHODS A total of 180 patients with type 2 diabetes mellitus attending the Second People’s Hospital of Hefei from January 2022 to August 2022 were retrospectively enrolled by ophthalmologists.Based on whether they had combined retinopathy and its degree,68 patients with diabetes mellitus without retinopathy(NDR)were assigned to the NDR group,54 patients with non-proliferative DR(NPDR)to the NPDR group,and 58 patients with proliferative DR to the PDR group.General data,and HbA1c,mALB,β2MG,RBP,mALB/U-CR and U-CR results were collected from the patients and compared among the groups.Pearson's correlation method was used to analyze the correlation between HbA1c,mALB,β2MG,RBP,mALB/U-CR and U-CR indices,and multiple linear regression was applied to identify the risk factors for DR.Receiver operator characteristic(ROC)curves were also drawn.RESULTS The differences in age,gender,systolic and diastolic blood pressure between the groups were not statistically significantly(P>0.05),but the difference in disease duration was statistically significant(P<0.05).The differences in fasting blood glucose,high-density lipoprotein cholesterol,low-density lipoprotein cholesterol,total cholesterol,and triglyceride between the groups were not statistically significant(P>0.05).HbA1c in the PDR group was higher than that in the NPDR and NDR groups(P<0.05).The levels of mALB,β2MG,RBP,mALB/U-CR and UCR in the PDR group were higher than those in the NPDR and NDR groups(P<0.05).Multiple linear regression analysis showed that disease duration,HbA1c,mALB,β2MG,RBP,mALB/U-CR and U-CR were risk factors for the development of DR.The ROC curve showed that the area under the curve(AUC)for the combination of indices(HbA1c+mALB+mALB/U-CR+U-CR+β2MG+RBP)was 0.958,with a sensitivity of 94.83%and specificity of 96.72%,which was higher than the AUC for single index prediction(P<0.05).CONCLUSION HbA1c,mALB,mALB/U-CR,U-CR,β2MG and RBP can reflect the development of DR and are risk factors affecting PDR,and the combination of these six indices has predictive value for PDR.展开更多
目的研究糖化血红蛋白变异指数(HGI)、尿微量白蛋白(u-ALB)及血清腱生蛋白C(TNC)与2型糖尿病视网膜病变(T2DR)的相关性。方法回顾性选择2021年4月至2023年5月于首都医科大学大兴教学医院接受治疗的2型糖尿病(T2DM)患者1390例的临床资料...目的研究糖化血红蛋白变异指数(HGI)、尿微量白蛋白(u-ALB)及血清腱生蛋白C(TNC)与2型糖尿病视网膜病变(T2DR)的相关性。方法回顾性选择2021年4月至2023年5月于首都医科大学大兴教学医院接受治疗的2型糖尿病(T2DM)患者1390例的临床资料,根据T2DR发生情况将其分为T2DR组(n=378)和非T2DR组(n=1012)。依据糖尿病视网膜病变早期治疗研究分类系统对T2DR患者进行分期,分为非增殖期T2DR组(n=275)和增殖期T2DR(n=103)。观察两组基线资料(性别、年龄、T2DM病程)、血糖[空腹血糖(FBG)、餐后2 h血糖(2 h PBG)]、血脂[高密度脂蛋白胆固醇(HDL-C)、低密度脂蛋白胆固醇(LDL-C)、总胆固醇、甘油三酯]、HGI、u-ALB及血清TNC水平;观察不同T2DR病变分期患者基线资料、血糖、血脂、HGI、u-ALB、血清TNC水平。采用Pearson相关分析对T2DM患者HGI、u-ALB、血清TNC与T2DR的相关性进行分析。采用多因素Logistic回归分析对影响T2DR发生的独立危险因素进行分析。结果T2DR组与非T2DR组的性别构成比、年龄比较,差异均无统计学意义(P>0.05);T2DR组T2DM病程、FPG、2 h PBG、HbA1c、HDL-C、LDL-C、总胆固醇、甘油三酯、HGI、u-ALB、TNC水平均大于非T2DR组,差异均有统计学意义(P<0.05)。增殖期T2DR组与非增殖期T2DR组的性别构成比、年龄比较,差异均无统计学意义(P>0.05);增殖期T2DR组的T2DM病程、FPG、2 h PBG、HbA1c、HDL-C、LDL-C、总胆固醇、甘油三酯、HGI、u-ALB、TNC水平均大于非增殖期T2DR组,差异均有统计学意义(P<0.05)。Pearson相关分析结果显示,HGI、u-ALB、TNC与T2DM患者发生T2DR呈正相关(P<0.05)。多因素Logistic回归分析结果显示,HbA1c、HGI、u-ALB及TNC为影响T2DM患者发生T2DR的独立危险因素。结论HGI、u-ALB、TNC的异常升高可促进T2DM患者T2DR的发生及进展,HbA1c、HGI、u-ALB及TNC为影响T2DM患者发生T2DR的独立危险因素。展开更多
基金pported by the Natural Science Foundation of Inner Mongolia Autonomous Region,No.2022MS08057.
文摘BACKGROUND The intricate relationship between type 2 diabetes mellitus(T2DM)and diabetic nephropathy(DN)presents a challenge in understanding the significance of various biomarkers in diagnosis.AIM To elucidate the roles and diagnostic values ofα2-macroglobulin(α2-MG),podocalyxin(PCX),α-L-fucosidase(AFU),retinol-binding protein-4(RBP-4),and cystatin C(CysC)in DN.METHODS From December 2018 to December 2020,203 T2DM patients were enrolled in the study.Of these,115 were diagnosed with DN(115 patients),while the remaining 88 patients were classified as non-DN.The urinary levels ofα2-MG,PCX,and AFU and the serum concentrations RBP-4 and CysC were measured in conjunction with other relevant clinical indicators to evaluate their potential correlations and diagnostic utility.RESULTS After adjustments for age and gender,significant positive correlations were observed between the biomarkers CysC,RBP-4,α2-MG/urinary creatinine(UCr),PCX/UCr,and AFU/UCr,and clinical indicators such as urinary albumin-to-creatinine ratio(UACR),serum creatinine,urea,24-h total urine protein,and neutrophil-to-lymphocyte ratio(NLR).Conversely,these biomarkers exhibited negative correlations with the estimated glomerular filtration rate(P<0.05).Receiver operating characteristic(ROC)curve analysis further demonstrated the diagnostic performance of these biomarkers,with UACR showcasing the highest area under the ROC curve(AUC^(ROC))at 0.97.CONCLUSION This study underscores the diagnostic significance ofα2-MG,PCX,and AFU in the development of DN.The biomarkers RBP-4,CysC,PCX,AFU,andα2-MG provide promising diagnostic insights,while UACR is the most potent diagnostic biomarker in assessing DN.
文摘BACKGROUND Retinopathy is the most common microvascular disease of type 2 diabetes,and seriously threatens the life,health and quality of life of patients.It is worth noting that the development of diabetic retinopathy(DR)can be hidden,with few symptoms.Therefore,the preliminary screening of diabetic patients should identify DR as soon as possible,delay disease progression,and play a vital role in its diagnosis and treatment.AIM To investigate the correlation between glycated hemoglobin A1c(HbA1c),urinary microalbumin(U-mALB),urinary creatinine(U-CR),mALB/U-CR ratio,β2 microglobulin(β2MG),retinol binding protein(RBP)and DR.METHODS A total of 180 patients with type 2 diabetes mellitus attending the Second People’s Hospital of Hefei from January 2022 to August 2022 were retrospectively enrolled by ophthalmologists.Based on whether they had combined retinopathy and its degree,68 patients with diabetes mellitus without retinopathy(NDR)were assigned to the NDR group,54 patients with non-proliferative DR(NPDR)to the NPDR group,and 58 patients with proliferative DR to the PDR group.General data,and HbA1c,mALB,β2MG,RBP,mALB/U-CR and U-CR results were collected from the patients and compared among the groups.Pearson's correlation method was used to analyze the correlation between HbA1c,mALB,β2MG,RBP,mALB/U-CR and U-CR indices,and multiple linear regression was applied to identify the risk factors for DR.Receiver operator characteristic(ROC)curves were also drawn.RESULTS The differences in age,gender,systolic and diastolic blood pressure between the groups were not statistically significantly(P>0.05),but the difference in disease duration was statistically significant(P<0.05).The differences in fasting blood glucose,high-density lipoprotein cholesterol,low-density lipoprotein cholesterol,total cholesterol,and triglyceride between the groups were not statistically significant(P>0.05).HbA1c in the PDR group was higher than that in the NPDR and NDR groups(P<0.05).The levels of mALB,β2MG,RBP,mALB/U-CR and UCR in the PDR group were higher than those in the NPDR and NDR groups(P<0.05).Multiple linear regression analysis showed that disease duration,HbA1c,mALB,β2MG,RBP,mALB/U-CR and U-CR were risk factors for the development of DR.The ROC curve showed that the area under the curve(AUC)for the combination of indices(HbA1c+mALB+mALB/U-CR+U-CR+β2MG+RBP)was 0.958,with a sensitivity of 94.83%and specificity of 96.72%,which was higher than the AUC for single index prediction(P<0.05).CONCLUSION HbA1c,mALB,mALB/U-CR,U-CR,β2MG and RBP can reflect the development of DR and are risk factors affecting PDR,and the combination of these six indices has predictive value for PDR.
文摘目的研究糖化血红蛋白变异指数(HGI)、尿微量白蛋白(u-ALB)及血清腱生蛋白C(TNC)与2型糖尿病视网膜病变(T2DR)的相关性。方法回顾性选择2021年4月至2023年5月于首都医科大学大兴教学医院接受治疗的2型糖尿病(T2DM)患者1390例的临床资料,根据T2DR发生情况将其分为T2DR组(n=378)和非T2DR组(n=1012)。依据糖尿病视网膜病变早期治疗研究分类系统对T2DR患者进行分期,分为非增殖期T2DR组(n=275)和增殖期T2DR(n=103)。观察两组基线资料(性别、年龄、T2DM病程)、血糖[空腹血糖(FBG)、餐后2 h血糖(2 h PBG)]、血脂[高密度脂蛋白胆固醇(HDL-C)、低密度脂蛋白胆固醇(LDL-C)、总胆固醇、甘油三酯]、HGI、u-ALB及血清TNC水平;观察不同T2DR病变分期患者基线资料、血糖、血脂、HGI、u-ALB、血清TNC水平。采用Pearson相关分析对T2DM患者HGI、u-ALB、血清TNC与T2DR的相关性进行分析。采用多因素Logistic回归分析对影响T2DR发生的独立危险因素进行分析。结果T2DR组与非T2DR组的性别构成比、年龄比较,差异均无统计学意义(P>0.05);T2DR组T2DM病程、FPG、2 h PBG、HbA1c、HDL-C、LDL-C、总胆固醇、甘油三酯、HGI、u-ALB、TNC水平均大于非T2DR组,差异均有统计学意义(P<0.05)。增殖期T2DR组与非增殖期T2DR组的性别构成比、年龄比较,差异均无统计学意义(P>0.05);增殖期T2DR组的T2DM病程、FPG、2 h PBG、HbA1c、HDL-C、LDL-C、总胆固醇、甘油三酯、HGI、u-ALB、TNC水平均大于非增殖期T2DR组,差异均有统计学意义(P<0.05)。Pearson相关分析结果显示,HGI、u-ALB、TNC与T2DM患者发生T2DR呈正相关(P<0.05)。多因素Logistic回归分析结果显示,HbA1c、HGI、u-ALB及TNC为影响T2DM患者发生T2DR的独立危险因素。结论HGI、u-ALB、TNC的异常升高可促进T2DM患者T2DR的发生及进展,HbA1c、HGI、u-ALB及TNC为影响T2DM患者发生T2DR的独立危险因素。
