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Impact of magnesium sulfate therapy in improvement of renal functions in high fat diet-induced diabetic rats and their offspring. Sci Rep 2023; 13:2273. [PMID: 36755074 PMCID: PMC9908981 DOI: 10.1038/s41598-023-29540-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2022] [Accepted: 02/06/2023] [Indexed: 02/10/2023] Open
Abstract
The role of magnesium sulfate (MgSO4) administration to prevent diabetic nephropathy (DN) by reducing insulin resistance (IR) and the relationship of this action with gender and the expression of NOX4 and ICAM1 genes in the parents and their offspring were studied. Males and females rat, and their pups were used. Type 2 diabetes induced by high-fat diet (HFD) administration and a low dose of streptozotocin. Animals were divided into the: non-treated diabetic (DC), the diabetic group received insulin (Ins), and the diabetic group received MgSO4. Two groups of parents received just a normal diet (NDC). Following each set of parents for 16 weeks and their pups for 4 months, while eating normally. We assessed the amount of water consumed, urine volume, and blood glucose level. The levels of glucose, albumin, and creatinine in the urine were also measured, as well as the amounts of sodium, albumin, and creatinine in the serum. Calculations were made for glomerular filtration rate (GFR) and the excretion rates of Na and glucose fractions (FE Na and FE G, respectively). The hyperinsulinemic-euglycemic clamp was done. NOX4 and ICAM1 gene expressions in the kidney were also measured. MgSO4 or insulin therapy decreased blood glucose, IR, and improved GFR, FE Na, and FE G in both parents and their offspring compared to D group. MgSO4 improved NOX4 and ICAM1 gene expressions in the parents and their offspring compared to D group. Our results indicated that MgSO4 could reduce blood glucose levels and insulin resistance, and it could improve kidney function.
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Dieter C, Lemos NE, de Faria Corrêa NR, Pellenz FM, Canani LH, Crispim D, Bauer AC. The A allele of the rs759853 single nucleotide polymorphism in the AKR1B1 gene confers risk for diabetic kidney disease in patients with type 2 diabetes from a Brazilian population. ARCHIVES OF ENDOCRINOLOGY AND METABOLISM 2022; 66:12-18. [PMID: 35029856 PMCID: PMC9991038 DOI: 10.20945/2359-3997000000432] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
OBJECTIVE The AKR1B1 gene encodes an enzyme that catalyzes the reduction of glucose into sorbitol. Chronic hyperglycemia in patients with diabetes mellitus (DM) leads to increased AKR1B1 affinity for glucose and, consequently, sorbitol accumulation. Elevated sorbitol increases oxidative stress, which is one of the main pathways related to chronic complications of diabetes, including diabetic kidney disease (DKD). Accordingly, some studies have suggested the rs759853 polymorphism in the AKR1B1 gene is associated with DKD; however, findings are still contradictory. The aim was to investigate the association of the rs759853 polymorphism in the AKR1B1 gene and DKD. METHODS The sample comprised 695 patients with type 2 DM (T2DM) and DKD (cases) and 310 patients with T2DM of more than 10 years' duration, but no DKD (controls). The polymorphism was genotyped by real-time PCR. RESULTS Allelic and genotype frequencies of this polymorphism did not differ significantly between groups. However, the A/A genotype was associated with risk for DKD after adjustment for gender, triglycerides, BMI, presence of hypertension and diabetic retinopathy, and duration of DM, under both recessive (P = 0.048) and additive (P = 0.037) inheritance models. CONCLUSION Our data suggest an association between the AKR1B1 rs759853A/A genotype and risk for DKD in Brazilians T2DM patients.
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Affiliation(s)
- Cristine Dieter
- Divisão Endócrina do Hospital de Clínicas de Porto Alegre, Porto Alegre, RS, Brasil.,Universidade Federal do Rio Grande do Sul, Faculdade de Medicina, Departamento de Clínica Médica, Programa de Pós-graduação em Ciências Médicas: Endocrinologia, Porto Alegre, RS, Brasil
| | - Natália Emerim Lemos
- Divisão Endócrina do Hospital de Clínicas de Porto Alegre, Porto Alegre, RS, Brasil.,Universidade Federal do Rio Grande do Sul, Faculdade de Medicina, Departamento de Clínica Médica, Programa de Pós-graduação em Ciências Médicas: Endocrinologia, Porto Alegre, RS, Brasil
| | | | - Felipe Mateus Pellenz
- Divisão Endócrina do Hospital de Clínicas de Porto Alegre, Porto Alegre, RS, Brasil.,Universidade Federal do Rio Grande do Sul, Faculdade de Medicina, Departamento de Clínica Médica, Programa de Pós-graduação em Ciências Médicas: Endocrinologia, Porto Alegre, RS, Brasil
| | - Luís Henrique Canani
- Divisão Endócrina do Hospital de Clínicas de Porto Alegre, Porto Alegre, RS, Brasil.,Universidade Federal do Rio Grande do Sul, Faculdade de Medicina, Departamento de Clínica Médica, Programa de Pós-graduação em Ciências Médicas: Endocrinologia, Porto Alegre, RS, Brasil
| | - Daisy Crispim
- Divisão Endócrina do Hospital de Clínicas de Porto Alegre, Porto Alegre, RS, Brasil.,Universidade Federal do Rio Grande do Sul, Faculdade de Medicina, Departamento de Clínica Médica, Programa de Pós-graduação em Ciências Médicas: Endocrinologia, Porto Alegre, RS, Brasil
| | - Andrea Carla Bauer
- Divisão Endócrina do Hospital de Clínicas de Porto Alegre, Porto Alegre, RS, Brasil.,Universidade Federal do Rio Grande do Sul, Faculdade de Medicina, Departamento de Clínica Médica, Programa de Pós-graduação em Ciências Médicas: Endocrinologia, Porto Alegre, RS, Brasil.,Serviço de Nefrologia do Hospital de Clínicas de Porto Alegre, Porto Alegre, RS, Brasil,
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3
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Association between CRP polymorphisms and susceptibility to the diabetic nephropathy; A case-control study. Meta Gene 2022. [DOI: 10.1016/j.mgene.2021.101009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
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4
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Ahmad N, Shah SA, Abdul Gafor AH, Abdul Murad NA, Kamaruddin MA, Abd Jalal N, Ismail N, Alias MR, Jamal R. Gene-environment interaction in chronic kidney disease among people with type 2 diabetes from The Malaysian Cohort project: a case-control study. Diabet Med 2020; 37:1890-1901. [PMID: 32012348 DOI: 10.1111/dme.14257] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 01/28/2020] [Indexed: 01/05/2023]
Abstract
AIM To examine the possible gene-environment interactions between 32 single nucleotide polymorphisms and environmental factors that could modify the probability of chronic kidney disease. METHODS A case-control study was conducted involving 600 people with type 2 diabetes (300 chronic kidney disease cases, 300 controls) who participated in The Malaysian Cohort project. Retrospective subanalysis was performed on the chronic kidney disease cases to assess chronic kidney disease progression from the recruitment phase. We genotyped 32 single nucleotide polymorphisms using mass spectrometry. The probability of chronic kidney disease and predicted rate of newly detected chronic kidney disease progression were estimated from the significant gene-environment interaction analyses. RESULTS Four single nucleotide polymorphisms (eNOS rs2070744, PPARGC1A rs8192678, KCNQ1 rs2237895 and KCNQ1 rs2283228) and five environmental factors (age, sex, smoking, waist circumference and HDL) were significantly associated with chronic kidney disease. Gene-environment interaction analyses revealed significant probabilities of chronic kidney disease for sex (PPARGC1A rs8192678), smoking (eNOS rs2070744, PPARGC1A rs8192678 and KCNQ1 rs2237895), waist circumference (eNOS rs2070744, PPARGC1A rs8192678, KCNQ1 rs2237895 and KCNQ1 rs2283228) and HDL (eNOS rs2070744 and PPARGC1A rs8192678). Subanalysis indicated that the rate of newly detected chronic kidney disease progression was 133 cases per 1000 person-years (95% CI: 115, 153), with a mean follow-up period of 4.78 (SD 0.73) years. There was a significant predicted rate of newly detected chronic kidney disease progression in gene-environment interactions between KCNQ1 rs2283228 and two environmental factors (sex and BMI). CONCLUSIONS Our findings suggest that the gene-environment interactions of eNOS rs2070744, PPARGC1A rs8192678, KCNQ1 rs2237895 and KCNQ1 rs2283228 with specific environmental factors could modify the probability for chronic kidney disease.
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Affiliation(s)
- N Ahmad
- UKM Medical Molecular Biology Institute (UMBI), Universiti Kebangsaan Malaysia, Jalan Yaacob Latif, Cheras, Kuala Lumpur, Malaysia
- Epidemiology and Statistics Unit, Department of Community Health, Faculty of Medicine, Universiti Kebangsaan Malaysia Medical Centre, Jalan Yaacob Latif, Cheras, Kuala Lumpur, Malaysia
| | - S A Shah
- Epidemiology and Statistics Unit, Department of Community Health, Faculty of Medicine, Universiti Kebangsaan Malaysia Medical Centre, Jalan Yaacob Latif, Cheras, Kuala Lumpur, Malaysia
| | - A H Abdul Gafor
- Nephrology Unit, Department of Medicine, Faculty of Medicine, Universiti Kebangsaan Malaysia Medical Centre, Jalan Yaacob Latif, Cheras, Kuala Lumpur, Malaysia
| | - N A Abdul Murad
- UKM Medical Molecular Biology Institute (UMBI), Universiti Kebangsaan Malaysia, Jalan Yaacob Latif, Cheras, Kuala Lumpur, Malaysia
| | - M A Kamaruddin
- UKM Medical Molecular Biology Institute (UMBI), Universiti Kebangsaan Malaysia, Jalan Yaacob Latif, Cheras, Kuala Lumpur, Malaysia
| | - N Abd Jalal
- UKM Medical Molecular Biology Institute (UMBI), Universiti Kebangsaan Malaysia, Jalan Yaacob Latif, Cheras, Kuala Lumpur, Malaysia
| | | | - M R Alias
- UKM Medical Molecular Biology Institute (UMBI), Universiti Kebangsaan Malaysia, Jalan Yaacob Latif, Cheras, Kuala Lumpur, Malaysia
| | - R Jamal
- UKM Medical Molecular Biology Institute (UMBI), Universiti Kebangsaan Malaysia, Jalan Yaacob Latif, Cheras, Kuala Lumpur, Malaysia
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Yu ZL, Wong CS, Lai YT, Chou WH, Faridah IN, Kao CC, Lin YF, Chang WC. Gender Differences in Genetic Associations of RAB38 with Urinary Protein-to-Creatinine Ratio (UPCR) Levels in Diabetic Nephropathy Patients. J Pers Med 2020; 10:jpm10040184. [PMID: 33096837 PMCID: PMC7711808 DOI: 10.3390/jpm10040184] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2020] [Revised: 10/14/2020] [Accepted: 10/16/2020] [Indexed: 11/16/2022] Open
Abstract
Renal dysfunction is common in patients with diabetes mellitus (DM). Previous findings from a meta-analysis of GWAS indicated that the variation of RAB38/CTSC is highly associated with the urinary albumin-to-creatinine ratio (UACR) in European populations. In addition, RAB38 knockout rats showed an increase in urinary albumins. Although the prevalence of chronic kidney disease is high in Taiwan, the role of genetic variants in diabetic renal function is still unclear. In the current study, 275 diabetic nephropathy (DN) patients were recruited to perform a genetic association study. Our results indicated that rs1027027, rs302647, and rs302646 in RAB38 were significantly associated with urinary protein-to-creatinine ratio (UPCR) levels in DN patients. Importantly, after analysis stratified by gender, a significant genetic influence on UPCR levels was observed in the male population. The findings confirmed the roles of gender and variants of RAB38 in the risk of UPCR in Diabetic Nephropathy patients.
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Affiliation(s)
- Zhi-Lei Yu
- Department of Clinical Pharmacy, School of Pharmacy, Taipei Medical University, Taipei 110301, Taiwan; (Z.-L.Y.); (Y.T.L.); (W.-H.C.); (I.N.F.)
| | - Chung-Shun Wong
- Graduate Institute of Clinical Medicine, College of Medicine, Taipei Medical University, Taipei 110301, Taiwan;
- Department of Emergency Medicine, Taipei Medical University-Shuang Ho Hospital, New Taipei City 235041, Taiwan
- Department of Emergency Medicine, School of Medicine, College of Medicine, Taipei Medical University, Taipei 11031, Taiwan
| | - Yi Ting Lai
- Department of Clinical Pharmacy, School of Pharmacy, Taipei Medical University, Taipei 110301, Taiwan; (Z.-L.Y.); (Y.T.L.); (W.-H.C.); (I.N.F.)
| | - Wan-Hsuan Chou
- Department of Clinical Pharmacy, School of Pharmacy, Taipei Medical University, Taipei 110301, Taiwan; (Z.-L.Y.); (Y.T.L.); (W.-H.C.); (I.N.F.)
| | - Imaniar Noor Faridah
- Department of Clinical Pharmacy, School of Pharmacy, Taipei Medical University, Taipei 110301, Taiwan; (Z.-L.Y.); (Y.T.L.); (W.-H.C.); (I.N.F.)
- Faculty of Pharmacy, Ahmad Dahlan University, Yogyakarta 55164, Indonesia
| | - Chih-Chin Kao
- Division of Nephrology, Department of Internal Medicine, Taipei Medical University Hospital, Taipei 110301, Taiwan;
- Division of Nephrology, Department of Internal Medicine, School of Medicine, College of Medicine, Taipei Medical University, Taipei 110301, Taiwan
| | - Yuh-Feng Lin
- Graduate Institute of Clinical Medicine, College of Medicine, Taipei Medical University, Taipei 110301, Taiwan;
- Division of Nephrology, Department of Internal Medicine, School of Medicine, College of Medicine, Taipei Medical University, Taipei 110301, Taiwan
- Division of Nephrology, Department of Internal Medicine, Shuang Ho Hospital, Taipei Medical University, New Taipei City 235041, Taiwan
- Correspondence: (Y.-F.L.); (W.-C.C.)
| | - Wei-Chiao Chang
- Department of Clinical Pharmacy, School of Pharmacy, Taipei Medical University, Taipei 110301, Taiwan; (Z.-L.Y.); (Y.T.L.); (W.-H.C.); (I.N.F.)
- Master Program for Clinical Pharmacogenomics and Pharmacoproteomics, School of Pharmacy, Taipei Medical University, Taipei 110301, Taiwan
- Integrative Research Center for Critical Care, Wan Fang Hospital, Taipei Medical University, Taipei 110301, Taiwan
- Department of Medical Research, Shuang Ho Hospital, Taipei Medical University, New Taipei City 235041, Taiwan
- Correspondence: (Y.-F.L.); (W.-C.C.)
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Guan H, Xia MD, Wang M, Guan YJ, Lyu XC. Methylenetetrahydrofolate reductase genetic polymorphism and the risk of diabetic nephropathy in type 2 diabetic patients. Medicine (Baltimore) 2020; 99:e21558. [PMID: 32871871 PMCID: PMC7458257 DOI: 10.1097/md.0000000000021558] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/17/2019] [Revised: 06/29/2020] [Accepted: 07/03/2020] [Indexed: 12/17/2022] Open
Abstract
BACKGROUND As indicated by numerous studies, there exists a relationship between the polymorphism of methylenetetrahydrofolate reductase (MTHFR) and susceptibility to diabetic nephropathy (DN) in various populations; nonetheless, the findings remain inconsistent. Therefore, we carried out a meta-analysis to determine the relationship between the MTHFR gene polymorphism and DN susceptibility. MATERIALS AND METHOD Related studies were identified from PubMed, Cochrane Library, EMBASE, and the China National Knowledge Infrastructure database (time period: from building the library to October 2019). The strength of the association was examined using odds ratios (ORs) with 95% confidence intervals (95% CIs). RESULTS The findings illustrated that the C677T gene polymorphism was significantly associated with an enhanced susceptibility to DN compared to that with diabetes mellitus in allelic (OR = 1.64, 95% CI = 1.34-2.00, P < .001), dominant (OR = 1.85, 95% CI = 1.40-2.46, P < .001), codominant (heterozygote: OR = 1.67, 95% CI = 1.27-2.21, P < .001; homozygote: OR = 2.55, 95% CI = 1.82-3.57, P < .001), and recessive (OR = 1.89, 95% CI = 1.50-2.38, P < .001) models of the overall population. Moreover, as compared with the healthy controls, a significantly augmented susceptibility to DN was found in all 5 genetic comparison models (allelic: OR = 2.06, 95% CI = 1.58-2.67, P < .001; dominant: OR = 2.52, 95% CI = 1.73-3.69, P < .001; codominant: OR = 3.78, 95% CI = 2.50-5.70, P < .001; recessive: OR = 2.41, 95% CI = 1.96-2.97, P < .001). Furthermore, stratifying data by ethnicity revealed substantially augmented vulnerability to DN in not only Caucasian but also Asian populations. CONCLUSION The present study suggests that the C677T polymorphism was associated with an augmented susceptibility to DN.
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Affiliation(s)
- Hui Guan
- Department of Fundamental Nursing, West Anhui Health Vocational College, Lu’an, Anhui
| | - Meng-Di Xia
- Department of Nephrology, the Second Clinical Medical Institution of North Sichuan Medical College (Nanchong Central Hospital), Nanchong, Sichuan, PR China
- Department of Nephrology and Berlin Institute of Health, Charite-University Berlin, Freie Universität Berlin, Humboldt Universität zu Berlin, Hindenburgdamm 30, Berlin, Germany
| | - Miao Wang
- Department of Fundamental Nursing, School of Nursing, Wannan Medical College, Wuhu
| | - Ying-Jie Guan
- Department of Respiratory Medicine, Lu’an People's Hospital, Lu’an, Anhui, PR China
| | - Xiao-Chen Lyu
- Department of Fundamental Nursing, West Anhui Health Vocational College, Lu’an, Anhui
- Chiang Mai University, Chiang Mai, Thailand
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Protein misfolding in endoplasmic reticulum stress with applications to renal diseases. ADVANCES IN PROTEIN CHEMISTRY AND STRUCTURAL BIOLOGY 2020. [PMID: 31928726 DOI: 10.1016/bs.apcsb.2019.08.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/29/2023]
Abstract
Protein misfolding may be the result of a variety of different processes that disrupt the ability of a protein to form a thermodynamically stable tertiary structure that allows it to perform its proper function. In this chapter, we explore the nature of a protein's form that allows it to have a stable tertiary structure, and examine specific mutation that are known to occur in the coding regions of DNA that disrupt a protein's ability to be folded into a thermodynamically stable tertiary structure. We examine the consequences of these protein misfoldings in terms of the endoplasmic reticulum stress response and resulting unfolded protein response. These conditions are specifically related to renal diseases. Further, we explore novel therapeutics, pharmacological chaperones, that are being developed to alleviate the disease burden associated with protein misfolding caused by mutations. These interventions aim to stabilize protein folding intermediates and allow proper folding to occur as well as prevent protein aggregation and the resulting pathophysiological consequences.
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8
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Liao LN, Li TC, Li CI, Liu CS, Lin WY, Lin CH, Yang CW, Chen CC, Chang CT, Yang YF, Liu YL, Kuo HL, Tsai FJ, Lin CC. Genetic risk score for risk prediction of diabetic nephropathy in Han Chinese type 2 diabetes patients. Sci Rep 2019; 9:19897. [PMID: 31882689 PMCID: PMC6934611 DOI: 10.1038/s41598-019-56400-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2019] [Accepted: 12/10/2019] [Indexed: 11/09/2022] Open
Abstract
We evaluated whether genetic information could offer improvement on risk prediction of diabetic nephropathy (DN) while adding susceptibility variants into a risk prediction model with conventional risk factors in Han Chinese type 2 diabetes patients. A total of 995 (including 246 DN cases) and 519 (including 179 DN cases) type 2 diabetes patients were included in derivation and validation sets, respectively. A genetic risk score (GRS) was constructed with DN susceptibility variants based on findings of our previous genome-wide association study. In derivation set, areas under the receiver operating characteristics (AUROC) curve (95% CI) for model with clinical risk factors only, model with GRS only, and model with clinical risk factors and GRS were 0.75 (0.72-0.78), 0.64 (0.60-0.68), and 0.78 (0.75-0.81), respectively. In external validation sample, AUROC for model combining conventional risk factors and GRS was 0.70 (0.65-0.74). Additionally, the net reclassification improvement was 9.98% (P = 0.001) when the GRS was added to the prediction model of a set of clinical risk factors. This prediction model enabled us to confirm the importance of GRS combined with clinical factors in predicting the risk of DN and enhanced identification of high-risk individuals for appropriate management of DN for intervention.
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Affiliation(s)
- Li-Na Liao
- Department of Public Health, College of Public Health, China Medical University, Taichung, Taiwan
| | - Tsai-Chung Li
- Department of Public Health, College of Public Health, China Medical University, Taichung, Taiwan.,Department of Healthcare Administration, College of Medical and Health Sciences, Asia University, Taichung, Taiwan
| | - Chia-Ing Li
- School of Medicine, College of Medicine, China Medical University, Taichung, Taiwan.,Department of Medical Research, China Medical University Hospital, Taichung, Taiwan
| | - Chiu-Shong Liu
- School of Medicine, College of Medicine, China Medical University, Taichung, Taiwan.,Department of Medical Research, China Medical University Hospital, Taichung, Taiwan.,Department of Family Medicine, China Medical University Hospital, Taichung, Taiwan
| | - Wen-Yuan Lin
- School of Medicine, College of Medicine, China Medical University, Taichung, Taiwan.,Department of Family Medicine, China Medical University Hospital, Taichung, Taiwan
| | - Chih-Hsueh Lin
- School of Medicine, College of Medicine, China Medical University, Taichung, Taiwan.,Department of Family Medicine, China Medical University Hospital, Taichung, Taiwan
| | - Chuan-Wei Yang
- Department of Medical Research, China Medical University Hospital, Taichung, Taiwan
| | - Ching-Chu Chen
- Division of Endocrinology and Metabolism, Department of Medicine, China Medical University Hospital, Taichung, Taiwan.,School of Chinese Medicine, College of Chinese Medicine, China Medical University, Taichung, Taiwan
| | - Chiz-Tzung Chang
- School of Medicine, College of Medicine, China Medical University, Taichung, Taiwan.,Kidney Institute and Division of Nephrology, Department of Internal Medicine, China Medical University Hospital, Taichung, Taiwan
| | - Ya-Fei Yang
- School of Medicine, College of Medicine, China Medical University, Taichung, Taiwan.,Kidney Institute and Division of Nephrology, Department of Internal Medicine, China Medical University Hospital, Taichung, Taiwan
| | - Yao-Lung Liu
- School of Medicine, College of Medicine, China Medical University, Taichung, Taiwan.,Kidney Institute and Division of Nephrology, Department of Internal Medicine, China Medical University Hospital, Taichung, Taiwan
| | - Huey-Liang Kuo
- School of Medicine, College of Medicine, China Medical University, Taichung, Taiwan.,Kidney Institute and Division of Nephrology, Department of Internal Medicine, China Medical University Hospital, Taichung, Taiwan.,Graduate Institute of Clinical Medical Science, College of Medicine, China Medical University, Taichung, Taiwan
| | - Fuu-Jen Tsai
- School of Chinese Medicine, College of Chinese Medicine, China Medical University, Taichung, Taiwan. .,Human Genetic Laboratory, Department of Medical Research, China Medical University Hospital, Taichung, Taiwan.
| | - Cheng-Chieh Lin
- School of Medicine, College of Medicine, China Medical University, Taichung, Taiwan. .,Department of Medical Research, China Medical University Hospital, Taichung, Taiwan. .,Department of Family Medicine, China Medical University Hospital, Taichung, Taiwan.
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9
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Dieter C, Assmann TS, Costa AR, Canani LH, de Souza BM, Bauer AC, Crispim D. MiR-30e-5p and MiR-15a-5p Expressions in Plasma and Urine of Type 1 Diabetic Patients With Diabetic Kidney Disease. Front Genet 2019; 10:563. [PMID: 31249597 PMCID: PMC6582252 DOI: 10.3389/fgene.2019.00563] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2019] [Accepted: 05/29/2019] [Indexed: 01/29/2023] Open
Abstract
Introduction Diabetic kidney disease (DKD) is a common microvascular complication that affects 40% of patients with diabetes mellitus (DM). Emerging evidence suggests a role for several microRNAs (miRNAs) in the development of DKD. In this context, miR-15a-5p and miR-30e-5p have been shown to regulate the expression of the uncoupling protein 2 (UCP2), a mitochondrial protein that decreases reactive oxygen species (ROS) formation by the mitochondria. Since ROS overproduction is a key contributor to the pathogenesis of DKD, dysregulation of these two miRNAs could be involved in DKD pathogenesis. Thus, the aim of this study was to compare the expressions of miR-15a-5p and miR-30e-5p in type 1 DM (T1DM) patients with DKD (cases) and without this complication (controls), and to perform bioinformatics analyses to investigate their putative targets and biological pathways under their regulation. Methods MiR-15a-5p and miR-30e-5p expressions were analyzed in plasma and urine of 17 T1DM controls and 23 DKD cases (12 with moderate DKD and 11 with severe DKD) using qPCR. Bioinformatics analyses were performed in Cytoscape software. Results MiR-30e-5p expression was downregulated in plasma of patients with moderate and severe DKD compared to T1DM controls. Moreover, this miRNA was also downregulated in urine of patients with severe DKD compared to the other groups. No difference was found in miR-15a-5p expression between groups. Bioinformatics analyses indicated that miR-30e-5p and miR-15a-5p regulate various genes that participate in pathways related to angiogenesis, apoptosis, cell differentiation, oxidative stress, and hypoxia. Conclusion MiR-30e-5p seems to be downregulated in plasma and urine of patients with DKD.
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Affiliation(s)
- Cristine Dieter
- Endocrine Division, Hospital de Clínicas de Porto Alegre, Porto Alegre, Brazil.,Post-Graduate Program in Medical Sciences: Endocrinology, Faculdade de Medicina, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
| | - Taís Silveira Assmann
- Department of Food Science and Physiology, School of Pharmacy and Nutrition, University of Navarra, Pamplona, Spain
| | | | - Luís Henrique Canani
- Endocrine Division, Hospital de Clínicas de Porto Alegre, Porto Alegre, Brazil.,Post-Graduate Program in Medical Sciences: Endocrinology, Faculdade de Medicina, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
| | - Bianca Marmontel de Souza
- Endocrine Division, Hospital de Clínicas de Porto Alegre, Porto Alegre, Brazil.,Post-Graduate Program in Medical Sciences: Endocrinology, Faculdade de Medicina, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
| | - Andrea Carla Bauer
- Endocrine Division, Hospital de Clínicas de Porto Alegre, Porto Alegre, Brazil.,Post-Graduate Program in Medical Sciences: Endocrinology, Faculdade de Medicina, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil.,Nephrology Division, Hospital de Clínicas de Porto Alegre, Porto Alegre, Brazil
| | - Daisy Crispim
- Endocrine Division, Hospital de Clínicas de Porto Alegre, Porto Alegre, Brazil.,Post-Graduate Program in Medical Sciences: Endocrinology, Faculdade de Medicina, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
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10
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Buraczynska M, Ksiazek K, Wacinski P, Zaluska W. Interleukin-1β Gene ( IL1B) Polymorphism and Risk of Developing Diabetic Nephropathy. Immunol Invest 2019; 48:577-584. [PMID: 31044637 DOI: 10.1080/08820139.2019.1595642] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
Objective: Cytokines play an important role in the pathogenesis of type 2 diabetes (T2DM) and its complications. The aim of the study was to evaluate an association of the -511 (C/T) polymorphism in the IL1B gene with diabetic nephropathy (DN). Methods: The study population included 860 patients with T2DM (506 with diabetic nephropathy and 354 without nephropathy) as well as 505 healthy individuals. Genomic DNA was genotyped for the IL1B -511 (C/T) polymorphism using PCR-RFLP technique. Results: The IL1B -511 C/T polymorphism was genotyped in 860 T2DM patients with or without DN and 505 healthy individuals. The average age of patients was 65.3 years in DN+ and 62.2 years in DN- subgroups. The genotype distribution did not differ significantly between patients and controls. Only a tendency to a slight increase of T allele frequency was observed in patient group. Genotype and allele frequencies of -511 C/T polymorphism were compared in patients with DN and those without it. The minor allele (T) and homozygote TT frequencies were significantly different between subgroups. The T allele was more frequent in DN+ patients, with odds ratio 1.45 (95% CI 1.2-1.8), p = 0.0003. The TT genotype frequency was also higher in DN+, with OR 1.76 (96% CI 1.1-2.7), p = 0.01. Conclusion: In a studied population the -511 C/T polymorphism in the IL1B gene is associated with diabetic nephropathy in dialyzed T2DM patients. Further studies are required to confirm the clinical significance of this finding.
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Affiliation(s)
- Monika Buraczynska
- a Department of Nephrology , Medical University of Lublin , Lublin , Poland
| | - Katarzyna Ksiazek
- b Department of Paedodontics , Medical University of Lublin , Lublin , Poland
| | - Piotr Wacinski
- c Department of Cardiology , Medical University of Lublin , Lublin , Poland
| | - Wojciech Zaluska
- a Department of Nephrology , Medical University of Lublin , Lublin , Poland
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Ahmad N, Jamal R, Shah SA, Gafor AHA, Murad NAA. Renin-Angiotensin-Aldosterone System Gene Polymorphisms and Type 2 Diabetic Nephropathy in Asian Populations: An Updated Meta-analysis. Curr Diabetes Rev 2019; 15:263-276. [PMID: 29984662 DOI: 10.2174/1573399814666180709100411] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/13/2018] [Revised: 06/06/2018] [Accepted: 07/02/2018] [Indexed: 12/18/2022]
Abstract
BACKGROUND The association of polymorphisms in the renin-angiotensin-aldosterone system candidate genes, namely Angiotensin-Converting Enzyme (ACE) Insertion/Deletion (I/D), Angiotensinogen (AGT) M235T and Angiotensin II Receptor Type 1 (AGTR1) A1166C with Diabetic Nephropathy (DN) has been studied for decades. OBJECTIVE This meta-analysis aimed to assess the updated pooled effects of these polymorphisms with DN among Asian populations with type 2 diabetes mellitus. METHODS The PubMed electronic database was searched without duration filter until August 2017 and the reference list of eligible studies was screened. The association of each polymorphism with DN was examined using odds ratio and its 95% confidence interval based on dominant, recessive and allele models. Subgroup analyses were conducted based on region, DN definition and DM duration. RESULTS In the main analysis, the ACE I/D (all models) and AGTR1 A1166C (dominant model) showed a significant association with DN. The main analysis of the AGT M235T polymorphism did not yield significant findings. There were significant subgroup differences and indication of significantly higher odds for DN in terms of DM duration (≥10 years) for ACE I/D (all models), AGT M235T (recessive and allele models) and AGTR1 A1166C (recessive model). Significant subgroup differences were also observed for DN definition (advanced DN group) and region (South Asia) for AGTR1 A1166C (recessive model). CONCLUSION In the Asian populations, ACE I/D and AGTR1 A1166C may contribute to DN susceptibility in patients with T2DM by different genetic models. However, the role of AGT M235T needs to be further evaluated.
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Affiliation(s)
- Norfazilah Ahmad
- UKM Medical Molecular Biology Institute, Universiti Kebangsaan Malaysia, Jalan Yaacob Latif, 56000 Cheras, Kuala Lumpur, Malaysia
- Epidemiology and Statistics Unit, Department of Community Health, Faculty of Medicine, Universiti Kebangsaan Malaysia Medical Centre, Jalan Yaacob Latif, 56000 Cheras, Kuala Lumpur, Malaysia
| | - Rahman Jamal
- UKM Medical Molecular Biology Institute, Universiti Kebangsaan Malaysia, Jalan Yaacob Latif, 56000 Cheras, Kuala Lumpur, Malaysia
| | - Shamsul Azhar Shah
- UKM Medical Molecular Biology Institute, Universiti Kebangsaan Malaysia, Jalan Yaacob Latif, 56000 Cheras, Kuala Lumpur, Malaysia
| | - Abdul Halim Abdul Gafor
- Nephrology Unit, Department of Medicine, Faculty of Medicine, Universiti Kebangsaan Malaysia Medical Centre, Jalan Yaacob Latif, 56000 Cheras, Kuala Lumpur, Malaysia
| | - Nor Azian Abdul Murad
- UKM Medical Molecular Biology Institute, Universiti Kebangsaan Malaysia, Jalan Yaacob Latif, 56000 Cheras, Kuala Lumpur, Malaysia
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Liu L, He D, Fang L, Yan X. Association between E469K polymorphism in the ICAM1 gene and the risk of diabetic nephropathy: a meta-analysis. Lipids Health Dis 2018; 17:293. [PMID: 30587209 PMCID: PMC6307272 DOI: 10.1186/s12944-018-0922-2] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2018] [Accepted: 11/20/2018] [Indexed: 02/08/2023] Open
Abstract
BACKGROUND Inflammation may be a key pathophysiological mechanism in diabetic nephropathy (DN). Intercellular adhesion molecule 1 (ICAM1) is an acute phase marker of inflammation. ICAM1 rs5498 has been reported to be associated with the risk of DN. However, the previous findings were conflicting due to the limited sample sizes, different methodologies and ethnicities. Therefore, this study aimed to investigate the genetic association between ICAM1 rs5498 and the risk of DN. METHODS Two investigators independently searched the studies from the databases PubMed, Web of Science, the Cochrane Library, Chinese National Knowledge Infrastructure (CNKI) and Embase. Pooled odds ratios (ORs) with 95% confidence intervals (CIs) were used to assess the associations. RESULTS No significant association was detected between ICAM1 rs5498 and DN susceptibility in allelic and recessive models (p > 0.05). However, significant reduction of frequencies of the dominant model of ICAM1 rs5498 was only detected in the Caucasian subgroup (OR = 0.80; 95% CI = [0.65, 0.99], p = 0.04) and type 1 diabetes mellitus subgroup (OR = 0.80; 95% CI = [0.65, 0.99], p = 0.04). CONCLUSIONS Thus, ICAM1 rs5498 might be a risk factor for DN in Caucasians and type 1 diabetes mellitus patients, which suggested that ICAM1 rs5498 might help in early diagnosis and prevention of this disease. Further studies were needed to clarify the biochemical function and pathological role of ICAM1 rs5498 in the risk of DN.
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Affiliation(s)
- Liya Liu
- Department of Pharmacy, Shenzhen Hospital, Southern Medical University, Shenzhen, 518000 Guangdong China
| | - Dongling He
- Department of Nephrology, The Eight Affiliated Hospital, SUNYAT-SEN University, Shenzhen, Guangzhou, 518033 China
| | - Ling Fang
- Department of Endocrinology, Shenzhen Hospital, Southern Medical University, No. 1333, New Lake Road, Baoan District, Shenzhen, 518000 Guangdong China
| | - Xiaojie Yan
- Department of Endocrinology, Shenzhen Hospital, Southern Medical University, No. 1333, New Lake Road, Baoan District, Shenzhen, 518000 Guangdong China
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13
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Fathy SA, Mohamed MR, Ali MAM, El-Helaly AE, Alattar AT. Influence of IL-6, IL-10, IFN-γ and TNF-α genetic variants on susceptibility to diabetic kidney disease in type 2 diabetes mellitus patients. Biomarkers 2018; 24:43-55. [PMID: 30015512 DOI: 10.1080/1354750x.2018.1501761] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
BACKGROUND Data from previous studies on the role of inflammatory cytokines as biomarkers for diabetic kidney disease (DKD) are contradictory. The association of a particular inflammatory cytokine single nucleotide polymorphism (SNP) with susceptibility to DKD has not been consistently replicated. We aimed to investigate the utility of inflammatory cytokines as biomarkers for DKD in type 2 diabetes mellitus (T2DM) patients. Association of inflammatory cytokine gene SNPs with the development of DKD was also explored. SUBJECTS AND METHODS One hundred and fifty-nine Kuwaiti subjects were recruited in this study, including 50 T2DM patients without DKD, 67 diabetic DKD patients and 42 healthy subjects. Plasma levels of interleukin-6 (IL-6), IL-10, interferon gamma (IFN-γ) and tumor necrosis factor alpha (TNF-α) were measured by enzyme-linked immunosorbent assays. Nine SNPs, including 2 SNPs in IL-6, 3 SNPs in IL-10, 1 SNP in IFN-γ and 3 SNPs in TNF-α, were genotyped using TaqMan SNP genotyping assays. RESULTS Diabetic DKD patients showed higher IL-6, IL-10, IFN-γ and TNF-α levels than those without DKD. Diabetic DKD patients had a significantly higher frequency of IL-10 - 1082 A allele than those without DKD (p = 0.001). No significant association of IL-6 - 174/-597 haplotypes with DKD risk was detected (p = 0.188). Distribution of IL-10 - 592/-819/-1082 haplotypes differ significantly between T2DM patients with/without DKD (p = 0.014). Diabetic DKD patients had a significantly lower frequency of IL-10 - 592C/-819C/-1082G haplotype than those without DKD (p = 0.002). CONCLUSIONS Although inflammatory cytokine genotypes and, more importantly, haplotypes may have the potential to identify those patients at risk of DKD, hence, improving DKD predisposition prediction, further investigations regarding their real clinical significance is warranted in a large cohort of patients.
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Affiliation(s)
- Shadia A Fathy
- a Department of Biochemistry, Faculty of Science , Ain Shams University , Cairo , Egypt
| | - Mohamed R Mohamed
- a Department of Biochemistry, Faculty of Science , Ain Shams University , Cairo , Egypt
| | - Mohamed A M Ali
- a Department of Biochemistry, Faculty of Science , Ain Shams University , Cairo , Egypt
| | - Ashraf E El-Helaly
- b Medical Laboratories Department , Amiri Hospital , Kuwait city , Kuwait
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14
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Hamzawy M, Gouda SAA, Rashid L, Attia Morcos M, Shoukry H, Sharawy N. The cellular selection between apoptosis and autophagy: roles of vitamin D, glucose and immune response in diabetic nephropathy. Endocrine 2017; 58:66-80. [PMID: 28889337 DOI: 10.1007/s12020-017-1402-6] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/05/2017] [Accepted: 08/21/2017] [Indexed: 01/24/2023]
Abstract
BACKGROUND AND AIMS Apoptosis, autophagy and cell cycle arrest are cellular responses to injury which are supposed to play fundamental roles in initiation and progression of diabetic nephropathy (DN). The aims of the present study is to shed light on the potential effects of vitamin D analog 22-oxacalcitriol (OCT) on different cell responses during DN, and the possible interplay between both glucose, immune system and vitamin D in determining the cell fate. METHOD All rats were randomly allocated into one of three groups: control, vehicle-treated DN group and OCT-treated DN group. Eight weeks after induction of diabetes, the rats were killed. Fasting blood glucose levels, serum 25 (OH) D, renal functions, cytokines and gene expression of autophagy, apoptotic and cell cycle arrest markers were assessed. In addition, the histological assessment of renal architecture was done. RESULTS OCT treatment remarkably improved the renal functions and albuminuria. The reductions in mesangial cell hypertrophy, extracellular matrix as well as cell loss were significantly associated with upregulation of pro-autophagy gene expressions and downregulation of both pro-apoptotic and G1-cell cycle arrest genes expression. The reno-protective effects of OCT treatment were associated with significant attenuation of the fasting blood glucose, serum IL-6, renal TLR-4 and IFN-g gene expression. CONCLUSION Modulator effects of OCT on glucose and immune system play important roles in renal cell fate decision and chronic kidney disease progression.
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Affiliation(s)
- Magda Hamzawy
- Department of Physiology, Faculty of Medicine, Cairo University, Cairo, Egypt
| | | | - Laila Rashid
- Department of Biochemistry, Faculty of Medicine, Cairo University, Cairo, Egypt
| | - Mary Attia Morcos
- Department of histology, Faculty of Medicine, Cairo University, Cairo, Egypt
| | - Heba Shoukry
- Department of Physiology, Faculty of Medicine, Cairo University, Cairo, Egypt
| | - Nivin Sharawy
- Department of Physiology, Faculty of Medicine, Cairo University, Cairo, Egypt.
- Cairo University Hospitals, Cairo, Egypt.
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Han CS, Liu K, Zhang N, Li SW, Gao HC. Rutin suppresses high glucose-induced ACTA2 and p38 protein expression in diabetic nephropathy. Exp Ther Med 2017; 14:181-186. [PMID: 28672912 PMCID: PMC5488511 DOI: 10.3892/etm.2017.4509] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2016] [Accepted: 04/14/2017] [Indexed: 01/23/2023] Open
Abstract
The present study investigated the effect of rutin on high glucose-induced actin, α2, smooth muscle, aorta (ACTA2) and p38 protein expression in diabetic nephropathy (DN). Human mesangial cells were divided into a control group, high glucose-induced mesangial cell group, high glucose + captopril group, and high glucose + rutin group (low, middle and high doses of rutin). Cell viability, adenosine 5′-triphosphate (ATP) content, cell cycle, and ACTA2 and p38 protein expression were examined using MTT assay, ATP assay kit, flow cytometry and immunofluorescence staining in cultured human mesangial cells, respectively. Cell viability, ATP content, and ACTA2 and p38 expression increased significantly in high glucose-induced mesangial cells (P<0.05). However, at concentrations of 0.2, 0.4 and 0.8 µmol/l rutin was able to inhibit high glucose-induced human mesangial cell viability, ATP content, and ACTA2 and p38 expression and improve the cell cycle progression of mesangial cells. In conclusion, ACTA2 and p38 proteins may have important roles in DN. Rutin may inhibit the expression of ACTA2 and p38 and may be utilized in the prevention and treatment of DN.
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Affiliation(s)
- Chun-Shan Han
- Department of Chest Surgery, China-Japan Union Hospital of Jilin University, Changchun, Jilin 130033, P.R. China
| | - Kai Liu
- Department of Pathology and Pathophysiology, Chengde Medical College, Chengde, Hebei 300000, P.R. China
| | - Ning Zhang
- Department of Clinical Pharmacy, Jilin University School of Pharmaceutical Sciences, Changchun, Jilin 130021, P.R. China
| | - Shi-Wen Li
- Department of Clinical Pharmacy, Jilin University School of Pharmaceutical Sciences, Changchun, Jilin 130021, P.R. China
| | - Hai-Cheng Gao
- Department of Clinical Pharmacy, Jilin University School of Pharmaceutical Sciences, Changchun, Jilin 130021, P.R. China
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Khandoker AH, Al-Angari HM, Khalaf K, Lee S, Almahmeed W, Al Safar HS, Jelinek HF. Association of Diabetes Related Complications with Heart Rate Variability among a Diabetic Population in the UAE. PLoS One 2017; 12:e0168584. [PMID: 28107340 PMCID: PMC5249190 DOI: 10.1371/journal.pone.0168584] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2016] [Accepted: 12/02/2016] [Indexed: 01/06/2023] Open
Abstract
Microvascular, macrovascular and neurological complications are the key causes of morbidity and mortality among type II diabetes mellitus (T2DM) patients. The aim of this study was to investigate the alterations of cardiac autonomic function of diabetic patients in relation to three types of diabetes-related complications. ECG recordings were collected and analyzed from 169 T2DM patients in supine position who were diagnosed with nephropathy (n = 55), peripheral neuropathy (n = 64) and retinopathy (n = 106) at two hospitals in the UAE. Comparison between combinations of patients with complications and a control diabetic group (CONT) with no complication (n = 34) was performed using time, frequency and multi-lag entropy measures of heart rate variability (HRV). The results show that these measures decreased significantly (p<0.05) depending on the presence and type of diabetic complications. Entropy, (median, 1st- 3rd interquartile range) for the group combining all complications (1.74,1.37-2.09) was significantly lower than the corresponding values for the CONT group (1.77, 1.39-2.24) with lag-1 for sequential beat-to-beat changes. Odds ratios (OR) from the entropy analysis further demonstrated a significantly higher association with the combination of retinopathy and peripheral neuropathy versus CONT (OR: 1.42 at lag 8) and an even OR for the combination of retinopathy and nephropathy (OR: 2.46 at lag 8) compared to the other groups with complications. Also, the OR of low frequency power to high frequency power ratio (LF/HF) showed a higher association with these diabetic-related complications compared to CONT, especially for the patient group combining all complications (OR: 4.92). This study confirms that the type of microvascular or peripheral neuropathy complication present in T2DM patients have different effects on heart rate entropy, implying disorders of multi-organ connectivity are directly associated with autonomic nervous system dysfunction. Clinical practice may benefit from including multi-lag entropy for cardiac rhythm analysis in conjunction with traditional screening methods in patients with diabetic complications to ensure better preventive and treatment outcomes in the Emirati Arab population.
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Affiliation(s)
- Ahsan H. Khandoker
- Department of Biomedical Engineering, Khalifa University, Abu Dhabi, United Arab Emirates
| | | | - Kinda Khalaf
- Department of Biomedical Engineering, Khalifa University, Abu Dhabi, United Arab Emirates
| | - Sungmun Lee
- Department of Biomedical Engineering, Khalifa University, Abu Dhabi, United Arab Emirates
| | - Wael Almahmeed
- Institute of Cardiac Science, Sheikh Khalifa Medical City, Abu Dhabi, United Arab Emirates
- Heart and Vascular Institute, Cleveland Clinic, Abu Dhabi, United Arab Emirates
| | - Habiba S. Al Safar
- Department of Biomedical Engineering, Khalifa University, Abu Dhabi, United Arab Emirates
- Khalifa University Center of Biotechnology, Abu Dhabi, United Arab Emirates
| | - Herbert F. Jelinek
- School of Community Health, Charles Sturt University, Albury, New South Wales, Australia
- Australian School of Advanced Medicine, Macquarie University, Sydney, New South Wales, Australia
- * E-mail:
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Renoprotective Effects of Atorvastatin in Diabetic Mice: Downregulation of RhoA and Upregulation of Akt/GSK3. PLoS One 2016; 11:e0162731. [PMID: 27649495 PMCID: PMC5029810 DOI: 10.1371/journal.pone.0162731] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2016] [Accepted: 08/26/2016] [Indexed: 12/25/2022] Open
Abstract
Potential benefits of statins in the treatment of chronic kidney disease beyond lipid-lowering effects have been described. However, molecular mechanisms involved in renoprotective actions of statins have not been fully elucidated. We questioned whether statins influence development of diabetic nephropathy through reactive oxygen species, RhoA and Akt/GSK3 pathway, known to be important in renal pathology. Diabetic mice (db/db) and their control counterparts (db/+) were treated with atorvastatin (10 mg/Kg/day, p.o., for 2 weeks). Diabetes-associated renal injury was characterized by albuminuria (albumin:creatinine ratio, db/+: 3.2 ± 0.6 vs. db/db: 12.5 ± 3.1*; *P<0.05), increased glomerular/mesangial surface area, and kidney hypertrophy. Renal injury was attenuated in atorvastatin-treated db/db mice. Increased ROS generation in the renal cortex of db/db mice was also inhibited by atorvastatin. ERK1/2 phosphorylation was increased in the renal cortex of db/db mice. Increased renal expression of Nox4 and proliferating cell nuclear antigen, observed in db/db mice, were abrogated by statin treatment. Atorvastatin also upregulated Akt/GSK3β phosphorylation in the renal cortex of db/db mice. Our findings suggest that atorvastatin attenuates diabetes-associated renal injury by reducing ROS generation, RhoA activity and normalizing Akt/GSK3β signaling pathways. The present study provides some new insights into molecular mechanisms whereby statins may protect against renal injury in diabetes.
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Shestakova MV. [Diabetes mellitus and chronic kidney disease: Possibilities of prediction, early diagnosis, and nephroprotection in the 21st century]. TERAPEVT ARKH 2016; 88:84-88. [PMID: 27489899 DOI: 10.17116/terarkh201688684-88] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
The. review gives data on the prognostic value of genetic markers when analyzing the risk of chronic kidney disease in diabetes mellitus, those on new possibilities of early diagnosis of diabetic nephropathy using urinary biomarkers (nephrinuria, podocinuria) and proteomic urinalysis at the stage of normoalbuminuria. The interpretation of the index mrcroalbuminuria in type 2 diabetesis critically analyzed. The nephroprotective properties of novel classes of glucose-lowering drugs, such as incretins and gliflozins, are considered.
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Affiliation(s)
- M V Shestakova
- Endocrinology Research Center, Ministry of Health of Russia, Moscow, Russia; I.M. Sechenov First Moscow State Medical University, Ministry of Health of Russia, Moscow, Russia
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Witzel II, Jelinek HF, Khalaf K, Lee S, Khandoker AH, Alsafar H. Identifying Common Genetic Risk Factors of Diabetic Neuropathies. Front Endocrinol (Lausanne) 2015; 6:88. [PMID: 26074879 PMCID: PMC4447004 DOI: 10.3389/fendo.2015.00088] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/10/2015] [Accepted: 05/13/2015] [Indexed: 12/13/2022] Open
Abstract
Type 2 diabetes mellitus (T2DM) is a global public health problem of epidemic proportions, with 60-70% of affected individuals suffering from associated neurovascular complications that act on multiple organ systems. The most common and clinically significant neuropathies of T2DM include uremic neuropathy, peripheral neuropathy, and cardiac autonomic neuropathy. These conditions seriously impact an individual's quality of life and significantly increase the risk of morbidity and mortality. Although advances in gene sequencing technologies have identified several genetic variants that may regulate the development and progression of T2DM, little is known about whether or not the variants are involved in disease progression and how these genetic variants are associated with diabetic neuropathy specifically. Significant missing heritability data and complex disease etiologies remain to be explained. This article is the first to provide a review of the genetic risk variants implicated in the diabetic neuropathies and to highlight potential commonalities. We thereby aim to contribute to the creation of a genetic-metabolic model that will help to elucidate the cause of diabetic neuropathies, evaluate a patient's risk profile, and ultimately facilitate preventative and targeted treatment for the individual.
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Affiliation(s)
- Ini-Isabée Witzel
- Biomedical Engineering Department, Khalifa University of Science, Technology and Research, Abu Dhabi, United Arab Emirates
| | - Herbert F. Jelinek
- Australian School of Advanced Medicine, Macquarie University, Sydney, NSW, Australia
- Centre for Research in Complex Systems, School of Community Health, Charles Sturt University, Albury, NSW, Australia
| | - Kinda Khalaf
- Biomedical Engineering Department, Khalifa University of Science, Technology and Research, Abu Dhabi, United Arab Emirates
| | - Sungmun Lee
- Biomedical Engineering Department, Khalifa University of Science, Technology and Research, Abu Dhabi, United Arab Emirates
| | - Ahsan H. Khandoker
- Biomedical Engineering Department, Khalifa University of Science, Technology and Research, Abu Dhabi, United Arab Emirates
- Electrical and Electronic Engineering Department, The University of Melbourne, Parkville, VIC, Australia
| | - Habiba Alsafar
- Biomedical Engineering Department, Khalifa University of Science, Technology and Research, Abu Dhabi, United Arab Emirates
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Fathi M, Nikzamir AR, Esteghamati A, Nakhjavani M, Yekaninejad MS. Combination of Angiotensin Converting Enzyme Insertion/Deletion (I/D) (rs4646994) and VEGF Polymorphism (+405G/C; rs2010963) Synergistically Associated With the Development, of Albuminuria in Iranian Patients With Type 2 Diabetes. IRANIAN RED CRESCENT MEDICAL JOURNAL 2015; 17:e19469. [PMID: 25834741 PMCID: PMC4376980 DOI: 10.5812/ircmj.19469] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 04/14/2014] [Revised: 07/25/2014] [Accepted: 09/03/2014] [Indexed: 11/16/2022]
Abstract
BACKGROUND Angiotensin-converting enzyme (ACE) insertion/deletion (I/D) and vascular endothelial growth factor (VEGF) polymorphisms have been shown to associate with diabetic nephropathy (DN). OBJECTIVES We examined the hypothesis that ACE-D and VEGF-G alleles act synergistically in association with DN, in patients with type 2 diabetes mellitus (T2DM). PATIENTS AND METHODS The VEGF (rs2010963) and ACE (rs4646994) genotypes were detected by polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) in 490 T2DM patients. Diabetic patients were classified as T2DM patients with and without albuminuria (control). The PCR and RFLP were used to detect the VEGF and ACE alleles. RESULTS A total of 255 consecutive patients with T2DM and microalbuminuria (Group A) and 235 patients with T2DM and normoalbuminuria (Group B) were included in the study. In univariate analysis, the groups were statistically similar for all variables, except for glycated hemoglobin (HbA1c) (P = 0.034), and the frequency of ACE (P = 0.015) and VEGF (P = 0.006) genotypes. Our study showed that the VEGF-G and ACE-D alleles are independently associated with the development of nephropathy. According to our data, the combination of these two risk factors had a significant synergistic effect on the risk of microalbuminuria development. CONCLUSIONS Our study indicated that ACE-D and VEGF-G alleles can be an independent risk factor for microalbominuria in T2DM patients.
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Affiliation(s)
- Mohammad Fathi
- Department of Anesthesiology, Shahid Beheshti University of Medical Sciences, Tehran, IR Iran
| | - Abdol Rahim Nikzamir
- Department of Biochemistry, Shahid Beheshti University of Medical Sciences, Tehran, IR Iran
- Endocrinology and Metabolism Research Center (EMRC), Vali-e-Asr Hospital, Tehran University of Medical Sciences, Tehran, IR Iran
- Corresponding Author: Abdol Rahim Nikzamir, Department of Biochemistry, Shahid Beheshti University of Medical Sciences, Tehran, IR Iran. Tel: +98-2166948671, Fax: +98-2166948671, E-mail:
| | - Alireza Esteghamati
- Endocrinology and Metabolism Research Center (EMRC), Vali-e-Asr Hospital, Tehran University of Medical Sciences, Tehran, IR Iran
| | - Manouchehr Nakhjavani
- Endocrinology and Metabolism Research Center (EMRC), Vali-e-Asr Hospital, Tehran University of Medical Sciences, Tehran, IR Iran
| | - Mir Saeed Yekaninejad
- Department of Epidemiology and Biostatistics, Tehran University of Medical Sciences, Tehran, IR Iran
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Ametov AS, Kamynina LL, Akhmedova ZG. Type 2 diabetes mellitus: Clinical aspects of genetics, nutrigenetics, and pharmacogenetics. TERAPEVT ARKH 2015. [DOI: 10.17116/terarkh2015878124-131] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Hosseini SM, Boright AP, Sun L, Canty AJ, Bull SB, Klein BEK, Klein R, Paterson AD. The association of previously reported polymorphisms for microvascular complications in a meta-analysis of diabetic retinopathy. Hum Genet 2014; 134:247-57. [PMID: 25487307 PMCID: PMC4291513 DOI: 10.1007/s00439-014-1517-2] [Citation(s) in RCA: 49] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2014] [Accepted: 11/20/2014] [Indexed: 01/23/2023]
Abstract
We investigated the association of signals from previous GWAS and candidate gene meta-analyses for diabetic retinopathy (DR) or nephropathy (DN), as well as an EPO variant in meta-analyses of severe (SDR) and mild diabetic retinopathy (MDR). Meta-analyses of SDR (≥severe non-proliferative diabetic retinopathy (NPDR) or history of panretinal photocoagulation) and MDR (≥mild NPDR), defined based on seven-field stereoscopic fundus photographs, were performed in two well-characterized type 1 diabetes (T1D) cohorts: the Diabetes Control and Complications Trial/Epidemiology of Diabetes Interventions and Complications (DCCT/EDIC, n = 1,304) and Wisconsin Epidemiologic Study of Diabetic Retinopathy (WESDR, n = 603). Among 34 previous signals for DR, after controlling for multiple testing, no association was replicated in our meta-analyses. rs1571942 and rs12219125 at PLXDC2 locus showed nominally significant (<0.05) association with SDR in the same direction as previous report, as did rs1801282 in PPARG gene with MDR. Among 55 loci previously associated with DN, three showed suggestive associations with SDR in our study without maintaining significance after correction for multiple testing. Of particular interest, rs1617640 (EPO) was not significantly associated with DR status, combined SDR–DN phenotype, time to SDR or time to DN (all P > 0.05). Lack of replication of previous DR hits and EPO despite reasonable statistical power implies that many of these may be false positives. Consistent with pleiotropy, we provide suggestive collective evidence for association between DR and variants previously associated with DN without reaching statistical significance at any single locus.
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Affiliation(s)
- S. Mohsen Hosseini
- Genetics and Genome Biology Program, The Hospital for Sick Children, Peter Gilgan Centre for Research and Learning, Rm 12.9835, 686 Bay Street, Toronto, ON M5G 0A4 Canada
- Institute of Medical Science, University of Toronto, Toronto, ON Canada
| | - Andrew P. Boright
- LMC Diabetes and Endocrinology, Toronto, ON Canada
- Department of Medicine, University of Toronto, Toronto, ON Canada
| | - Lei Sun
- Dalla Lana School of Public Health, University of Toronto, Toronto, ON Canada
- Department of Statistical Sciences, University of Toronto, Toronto, ON Canada
| | - Angelo J. Canty
- Department of Mathematics and Statistics, McMaster University, Hamilton, ON Canada
| | - Shelley B. Bull
- Dalla Lana School of Public Health, University of Toronto, Toronto, ON Canada
- Lunenfeld–Tanenbaum Research Institute, Mount Sinai Hospital, Toronto, ON Canada
| | - Barbara E. K. Klein
- Department of Ophthalmology and Visual Sciences, University of Wisconsin, Madison, WI USA
| | - Ronald Klein
- Department of Ophthalmology and Visual Sciences, University of Wisconsin, Madison, WI USA
| | | | - Andrew D. Paterson
- Genetics and Genome Biology Program, The Hospital for Sick Children, Peter Gilgan Centre for Research and Learning, Rm 12.9835, 686 Bay Street, Toronto, ON M5G 0A4 Canada
- Institute of Medical Science, University of Toronto, Toronto, ON Canada
- Dalla Lana School of Public Health, University of Toronto, Toronto, ON Canada
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23
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Wu X, Davis RC, McMillen TS, Schaeffer V, Zhou Z, Qi H, Mazandarani PN, Alialy R, Hudkins KL, Lusis AJ, LeBoeuf RC. Genetic modulation of diabetic nephropathy among mouse strains with Ins2 Akita mutation. Physiol Rep 2014; 2:2/11/e12208. [PMID: 25428948 PMCID: PMC4255814 DOI: 10.14814/phy2.12208] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
Diabetic nephropathy (DN) is a major complication of diabetes and the leading cause of end‐stage renal disease. DN is characterized by changes in kidney structure and function but the underlying genetic and molecular factors are poorly understood. We used a mouse diversity panel to explore the genetic basis of DN traits in mice carrying the Ins2 Akita mutation. Twenty‐eight Akita strains were generated by breeding this panel to DBA/2.Akita mice. Male F1 diabetic and nondiabetic littermates were evaluated for DN‐related traits. Urine albumin‐to‐creatinine ratios (ACRs), volume and cystatin C as well as blood urea nitrogen and lipoprotein levels varied significantly among the diabetic strains. For most Akita strains, ACR values increased 2‐ to 6‐fold over euglycemic control values. However, six strains exhibited changes in ACR exceeding 10‐fold with two strains (NOD/ShiLt and CBA) showing 50‐ to 83‐ fold increases. These increases are larger than previously reported among available DN mouse models establishing these strains as useful for additional studies of renal function. ACRs correlated with cystatin C (P = 0.0286), a measure of hyperfiltration and an interstitial tubular marker associated with DN onset in humans suggesting that tubule damage as well as podocyte‐stress contributed to reduced kidney function assessed by ACR. Although large changes were seen for ACRs, severe nephropathology was absent. However, glomerular hypertrophy and collagen IV content were found to vary significantly among strains suggesting a genetic basis for early onset features of DN. Our results define the range of DN phenotypes that occur among common inbred strains of mice. Diabetic nephropathy (DN) is characterized by changes in kidney structure and function but the underlying genetic and molecular factors are poorly understood. We used a mouse diversity panel to explore the genetic basis of DN traits in mice carrying the Ins2 Akita mutation. Twenty‐eight Akita strains on different genetic backgrounds were evaluated for DN‐related traits and the results define the range of DN phenotypes that occur among common inbred strains of mice.
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Affiliation(s)
- Xiuju Wu
- Division of Cardiology, Department of Medicine, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, California, USA
| | - Richard C Davis
- Division of Cardiology, Department of Medicine, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, California, USA
| | - Timothy S McMillen
- Division of Metabolism, Endocrinology and Nutrition, Department of Medicine, University of Washington, Seattle, Washington, USA
| | - Valerie Schaeffer
- Division of Metabolism, Endocrinology and Nutrition, Department of Medicine, University of Washington, Seattle, Washington, USA
| | - Zhiqiang Zhou
- Division of Cardiology, Department of Medicine, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, California, USA
| | - Hongxiu Qi
- Division of Cardiology, Department of Medicine, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, California, USA
| | - Parisa N Mazandarani
- Division of Cardiology, Department of Medicine, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, California, USA
| | - Roshanak Alialy
- Division of Cardiology, Department of Medicine, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, California, USA
| | - Kelly L Hudkins
- Department of Pathology, University of Washington, Seattle, Washington, USA
| | - Aldons J Lusis
- Division of Cardiology, Department of Medicine, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, California, USA Department of Human Genetics, University of California, Los Angeles, Los Angeles, California, USA
| | - Renée C LeBoeuf
- Division of Metabolism, Endocrinology and Nutrition, Department of Medicine, University of Washington, Seattle, Washington, USA
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Moura J, Børsheim E, Carvalho E. The Role of MicroRNAs in Diabetic Complications-Special Emphasis on Wound Healing. Genes (Basel) 2014; 5:926-56. [PMID: 25268390 PMCID: PMC4276920 DOI: 10.3390/genes5040926] [Citation(s) in RCA: 89] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2014] [Revised: 09/05/2014] [Accepted: 09/10/2014] [Indexed: 12/19/2022] Open
Abstract
Overweight and obesity are major problems in today’s society, driving the prevalence of diabetes and its related complications. It is important to understand the molecular mechanisms underlying the chronic complications in diabetes in order to develop better therapeutic approaches for these conditions. Some of the most important complications include macrovascular abnormalities, e.g., heart disease and atherosclerosis, and microvascular abnormalities, e.g., retinopathy, nephropathy and neuropathy, in particular diabetic foot ulceration. The highly conserved endogenous small non-coding RNA molecules, the micro RNAs (miRNAs) have in recent years been found to be involved in a number of biological processes, including the pathogenesis of disease. Their main function is to regulate post-transcriptional gene expression by binding to their target messenger RNAs (mRNAs), leading to mRNA degradation, suppression of translation or even gene activation. These molecules are promising therapeutic targets and demonstrate great potential as diagnostic biomarkers for disease. This review aims to describe the most recent findings regarding the important roles of miRNAs in diabetes and its complications, with special attention given to the different phases of diabetic wound healing.
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Affiliation(s)
- João Moura
- Center for Neuroscience and Cell Biology, University of Coimbra, Coimbra 3004-517, Portugal.
| | - Elisabet Børsheim
- Arkansas Children's Nutrition Center, Little Rock, Arkansas, AR 72202, USA.
| | - Eugenia Carvalho
- Center for Neuroscience and Cell Biology, University of Coimbra, Coimbra 3004-517, Portugal.
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25
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Hu YY, Dong WD, Xu YF, Yao XD, Peng B, Liu M, Zheng JH. Elevated levels of miR-155 in blood and urine from patients with nephrolithiasis. BIOMED RESEARCH INTERNATIONAL 2014; 2014:295651. [PMID: 25197634 PMCID: PMC4150454 DOI: 10.1155/2014/295651] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/17/2014] [Accepted: 07/17/2014] [Indexed: 12/11/2022]
Abstract
BACKGROUND Both circulating and urinary miRNAs may represent a potential noninvasive molecular biomarker capable of predicting chronic kidney disease, and, in the present study, we will investigate the serum and urinary levels of miR-155 in patients with nephrolithiasis. METHODS Serum and urinary levels of miR-155 are quantified in 60 patients with nephrolithiasis; the result was compared to 50 healthy volunteers. Estimated glomerular filtration (eGFR) was calculated and, by simple regression analysis, the correlations of miR-155/eGFR and miR-155/CRP (C-reactive protein) levels were analyzed as well. RESULTS The median levels of serum and urinary levels of miR-155 are significantly higher in nephrolithiasis patients than in controls. eGFR inversely correlates with urinary level of miR-155; CRP positively correlates with urinary miR-155. Urinary level of miR-155 inversely correlates with urinary expression of interleukin- (IL-) 1β, IL-6, and tumor necrosis factor- (TNF-) α and positively correlates with urinary expression of regulated upon activation, normal T-cell expressed, and secreted (RANTES). CONCLUSION Serum and urinary levels of miR-155 were significantly elevated in patients with nephrolithiasis, and the upregulation of miR-155 was correlated with decline of eGFR and elevation of CRP. Our results suggested that miR-155 might play important roles in the pathophysiology of nephrolithiasis via regulating inflammatory cytokines expression. Further study on the molecular pathogenic mechanism and larger scale of clinical trial are required.
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Affiliation(s)
- Yang-Yang Hu
- Department of Urology, Shanghai Tenth People's Hospital, Tongji University, Shanghai 200072, China
| | - Wei-Da Dong
- Department of Otolaryngology, First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu 210029, China
| | - Yun-Fei Xu
- Department of Urology, Shanghai Tenth People's Hospital, Tongji University, Shanghai 200072, China
| | - Xu-Dong Yao
- Department of Urology, Shanghai Tenth People's Hospital, Tongji University, Shanghai 200072, China
| | - Bo Peng
- Department of Urology, Shanghai Tenth People's Hospital, Tongji University, Shanghai 200072, China
| | - Min Liu
- Department of Urology, Shanghai Tenth People's Hospital, Tongji University, Shanghai 200072, China
| | - Jun-Hua Zheng
- Department of Urology, Shanghai Tenth People's Hospital, Tongji University, Shanghai 200072, China
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26
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White R, Stirling A, White S, Collier A. Eighty years on insulin and ‘going strong’. PRACTICAL DIABETES 2014. [DOI: 10.1002/pdi.1870] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Rebecca White
- Diabetes Day Centre; University Hospital Ayr; Dalmellington Road Ayr KA6 6DX UK
| | - Angus Stirling
- Diabetes Day Centre; University Hospital Ayr; Dalmellington Road Ayr KA6 6DX UK
| | - Sharon White
- Diabetes Day Centre; University Hospital Ayr; Dalmellington Road Ayr KA6 6DX UK
| | - Andrew Collier
- Diabetes Day Centre; University Hospital Ayr; Dalmellington Road Ayr KA6 6DX UK
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