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International Journal of Surgery ; (12): 184-189,F4, 2021.
Article in Chinese | WPRIM | ID: wpr-882465


Objective:To investigate the relationship between serum retinol binding protein (RBP), stromal cell derived factor-1 (SDF-1) and renal function in patients with diabetic nephropathy (DKD).Methods:The patients with type 2 diabetes mellitus (T2DM) admitted to Yantai Affiliated Hospital of Binzhou Medical College from October 2017 to October 2020 were prospectively selected, 438 patients were divided into simple T2DM group ( n=276)and DKD group( n=162) according to the presence or absence of DKD, according to the ratio of urinary albinin/creatinine (UACR) were divided into normal( n=25), microalbuminuria ( n=75) and macroalbuminuria group ( n=62), according to the estimated glomerular filtration rate (eGFR) were divided into G1 stage ( n=28), G2 stage ( n=27), G3A + G3B stage ( n=35), G4 stage ( n=39)and G5 stages( n=33). The relationship between RBP, SDF-1 and renal function index UACR, serum uric acid (UA), blood urea nitrogen (BUN), β 2-microglobulin (β 2-MG) and serum creatinine (Scr) was analyzed. Measurement data of normal distribution were expressed as Mean± standard deviation ( Mean± SD). Independent sample t-test was used for comparison between two groups, and one-way analysis of variance was used for comparison between multiple groups.Chi-square test was used to compare the enumeration data between groups. Receiver operating characteristic curve (ROC) was used to analyze the discriminant value of RBP and SDF-1 for DKD. Pearson was used for correlation analysis among indicators. Multivariate linear regression analysis was used to analyze the influencing factors of RBP. Results:In the DKD group, the duration of diabetes was longer, the levels of RBP, UACR, UA, BUN, β 2-MG, Scr were high, SDF-1 and eGFR were lower, with statistically significant differences compared with the simple T2DM group( P<0.05).The areas under the curve of RBP and SDF-1 to distinguish DKD were 0.903 and 0.868, and the optimal cut-off values was 70.71 mg/L and 5.69 ng/mL. With the increase of urinary albumin and clinical stage, the levels of RBP, UACR, UA, BUN, β 2-MG, Scr increased gradually, while SDF-1 and eGFR decreased gradually, and the differences were statistically significant ( P<0.05).RBP was positively correlated with UACR, UA, BUN, β 2-MG and Scr in DKD patients ( r=0.764, 0.787, 0.693, 0.577, 0.801, P<0.000 1), and negatively correlated with EGFR ( r=-0.782, P<0.000 1). SDF-1 was negatively correlated with UACR, UA, BUN, β 2-MG and Scr ( r=-0.744, -0.794, -0.666, -0.605, -0.820, P<0.000 1), and positively correlated with EGFR ( r=0.767, P<0.000 1). The multiple linear regression equation was RBP=29.852+ 0.007UACR+ 0.101UA+ 0.497BUN+ 0.034Scr-0.083eGFR ( P<0.001). Conclusion:RBP and SDF-1 have certain discriminant value for DKD patients in T2DM population, and the degree of DKD renal function injury is positively correlated with RBP and negatively correlated with SDF-1, the increase of UACR, UA, BUN, Scr and the decrease of eGFR are risk factors for the increase of RBP.

Article in Chinese | WPRIM | ID: wpr-452441


Objective To investigate the effects of hedysarum polybotys saccharide (HPS) on lipid metabolism and the expression of stearoyl-CoA desaturase-1(SCD-1) gene in rats with non-alcoholic fatty liver disease (NAFLD). To discuss the interfering effects of HPS on NAFLD. Methods The SD rats were randomly divided into the blank control group and the experiment group. Rats in the experiment group were fed with lipid rich food for 8 weeks to establish model and were randomly divided into model group, drug positive group and HPS group. After 8 weeks of drug intervention, the level of ALT, AST, TC, TG, HDL-c and LDL-c were measured with automatic chemistry analyzer, and expression of SCD-1 gene was measured by semi-quantitative polymerase chain reaction.Results Compared with blank control group, serum ALT, AST and TC, TG, LDL-c of model group were higher (P<0.05,P<0.01), the level of HDL-c of model group and the expression of SCD-1 gene were lower (P<0.01). Compared with model group, HPS was useful to decrease serum ALT, AST, LDL-c, TC and TG (P<0.05,P<0.01), and increase the level of HDL-c (P<0.01) and the expression of SCD-1 gene (P<0.01).ConclusionHPS had a positive effect on regulating lipid metabolic disturbance of NAFLD rats and promoting the expression of regulatory gene SCD-1.

Chinese Medical Journal ; (24): 2837-2843, 2014.
Article in English | WPRIM | ID: wpr-318526


<p><b>BACKGROUND</b>Several studies found that vitamin D3 might alter glucose metabolism, protect kidney from injury and even proposed the mechanisms. But results from previous studies have been conflicting. The aim of this study was to evaluate the efficacy and safety of vitamin D3 in patients with diabetic nephropathy. The underlying mechanism of vitamin D3 decreasing proteinuria is also discussed.</p><p><b>METHODS</b>We conducted a search of English and Chinese articles using database of Pubmed, Embase, Sinomed, CNKI, Wanfang and clinical trial register centers, for randomized controlled trials of vitamin D3 in diabetic nephropathy patients. Two reviewers performed independently. Meta-analysis was used when studies were homogeneous enough.</p><p><b>RESULTS</b>Twenty studies, including 1 497 patients with diabetic nephropathy, were involved in this systemic review. Vitamin D3-treated patients with diabetic nephropathy had a statistically significant reduction in 24-hour proteinuria (weighted mean difference -0.44, 95% CI -0.54 to -0.34, Z = 8.80, P < 0.000 01) and urine albumin/creatine ratio (standardized mean difference -0.29, 95% CI -0.48 to -0.10, Z = 2.96, P = 0.003). But vitamin D3 supplementation did not significantly reduce blood pressure and hemoglobin A1c compared with control group. The potential mechanisms about the renal protection of vitamin D3, including the inhibition of rennin-angiotensin system, the protection of kidney from inflammation, fibrosis and the structure change of kidney are discussed. In addition, vitamin D3 did not significantly increase the incidence of adverse effects, including total adverse effects, gastrointestinal adverse effects and fluctuation of blood pressure.</p><p><b>CONCLUSIONS</b>Vitamin D3 can ameliorate proteinuria and protect kidney from injury in patients with diabetic nephropathy. This renoprotective effect is independent of blood pressure and glucose reduction. And it does not increase any adverse effects than control, even in combination therapy with angiotensin converting enzyme inhibitors/angiotensin receptor blockers. But due to the limited randomized controlled trials of high quality, more clinical researches should be taken in the future.</p>

Humans , Blood Pressure , Cholecalciferol , Therapeutic Uses , Diabetic Nephropathies , Drug Therapy , Proteinuria , Drug Therapy , Randomized Controlled Trials as Topic