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Krishnamurthy HK, Rajavelu I, Pereira M, Jayaraman V, Krishna K, Wang T, Bei K, Rajasekaran JJ. Inside the genome: understanding genetic influences on oxidative stress. Front Genet 2024; 15:1397352. [PMID: 38983269 PMCID: PMC11231378 DOI: 10.3389/fgene.2024.1397352] [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: 03/07/2024] [Accepted: 06/03/2024] [Indexed: 07/11/2024] Open
Abstract
Genetics is a key factor that governs the susceptibility to oxidative stress. In the body, oxidative burden is regulated by the balance between the prooxidant genes that orchestrate processes that produce oxidant species, while the antioxidant genes aid those involved in scavenging these species. Together, the two components aid in maintaining the oxidative balance in the body. Genetic variations can influence the expression and activity of the encoded proteins which can then affect their efficiency in regulating redox processes, thereby increasing the risk of oxidative stress. This review studies single nucleotide polymorphisms (SNPs) that bear relevance to oxidative stress by exploring the variations in the prooxidant genes, such as XDH, CYBA, CYP1A1, PTGS2, NOS, and MAO and antioxidant genes including SOD, CAT, GPX, GSS, GLUL, GSR, GSTM1, GSTM5, GSTP1, TXN and HMOX1. Early identification of individuals at the increased risk of oxidative stress is possible from the assessment of sequence of these genes. Integrating genetic insights into oxidative stress management measures can pave the way for personalized medicine that tailors' healthcare approaches to individual genetic profiles. Effective genetic assessment along with routine quantification of biological markers can improve and monitor treatment strategies, enhancing mitigation approaches that maintain cellular health and promote longevity.
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Affiliation(s)
| | | | | | | | | | - Tianhao Wang
- Vibrant Sciences LLC., San Carlos, CA, United States
| | - Kang Bei
- Vibrant Sciences LLC., San Carlos, CA, United States
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Daher G, Santos-Bezerra DP, Cavaleiro AM, Pelaes TS, Admoni SN, Perez RV, Machado CG, do Amaral FG, Cipolla-Neto J, Correa-Giannella ML. Rs4862705 in the melatonin receptor 1A gene is associated with renal function decline in type 1 diabetes individuals. Front Endocrinol (Lausanne) 2024; 15:1331012. [PMID: 38549765 PMCID: PMC10972958 DOI: 10.3389/fendo.2024.1331012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/31/2023] [Accepted: 02/21/2024] [Indexed: 04/02/2024] Open
Abstract
Aim The pathogenesis of chronic diabetes complications has oxidative stress as one of the major elements, and single-nucleotide polymorphisms (SNPs) in genes belonging to antioxidant pathways modulate susceptibility to these complications. Considering that melatonin is a powerful antioxidant compound, our aim was to explore, in a longitudinal cohort study of type 1 diabetes (T1D) individuals, the association of microvascular complications and SNPs in the gene encoding melatonin receptor 1A (MTNR1A). Methods Eight SNPs in MTNR1A were genotyped in 489 T1D individuals. Besides cross-sectional analyses of SNPs with each one of the microvascular complications (distal polyneuropathy, cardiovascular autonomic neuropathy, retinopathy, and diabetic kidney disease), a longitudinal analysis evaluated the associations of SNPs with renal function decline in 411 individuals followed up for a median of 8 years. In a subgroup of participants, the association of complications with urinary 6-sulfatoxymelatonin (aMT6s) concentration was investigated. Results The group of individuals with a renal function decline ≥ 5 mL min-1 1.73 m-2 year-1 presented a higher frequency of the A allele of rs4862705 in comparison with nondecliners, even after adjustment for confounding variables (OR = 1.84, 95% CI = 1.20-2.82; p = 0.0046). No other significant associations were found. Conclusions This is the first study showing an association between a variant in a gene belonging to the melatonin system and renal function decline in the diabetic setting.
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Affiliation(s)
- Gustavo Daher
- Laboratório de Carboidratos e Radioimunoensaios (LIM-18), Hospital das Clínicas HCFMUSP, Faculdade de Medicina, Universidade de São Paulo, São Paulo, Brazil
| | - Daniele Pereira Santos-Bezerra
- Laboratório de Carboidratos e Radioimunoensaios (LIM-18), Hospital das Clínicas HCFMUSP, Faculdade de Medicina, Universidade de São Paulo, São Paulo, Brazil
- Department of Physiology and Biophysics, Institute of Biomedical Sciences, University of São Paulo, São Paulo, Brazil
| | - Ana Mercedes Cavaleiro
- Laboratório de Carboidratos e Radioimunoensaios (LIM-18), Hospital das Clínicas HCFMUSP, Faculdade de Medicina, Universidade de São Paulo, São Paulo, Brazil
| | - Tatiana Souza Pelaes
- Laboratório de Carboidratos e Radioimunoensaios (LIM-18), Hospital das Clínicas HCFMUSP, Faculdade de Medicina, Universidade de São Paulo, São Paulo, Brazil
| | - Sharon Nina Admoni
- Laboratório de Carboidratos e Radioimunoensaios (LIM-18), Hospital das Clínicas HCFMUSP, Faculdade de Medicina, Universidade de São Paulo, São Paulo, Brazil
| | - Ricardo Vessoni Perez
- Laboratório de Carboidratos e Radioimunoensaios (LIM-18), Hospital das Clínicas HCFMUSP, Faculdade de Medicina, Universidade de São Paulo, São Paulo, Brazil
| | - Cleide Guimarães Machado
- Divisão de Oftalmologia, Hospital das Clínicas HCFMUSP, Faculdade de Medicina, Universidade de São Paulo, São Paulo, Brazil
| | - Fernanda Gaspar do Amaral
- Department of Physiology and Biophysics, Institute of Biomedical Sciences, University of São Paulo, São Paulo, Brazil
- Department of Physiology, Federal University of São Paulo (UNIFESP), São Paulo, Brazil
| | - José Cipolla-Neto
- Department of Physiology and Biophysics, Institute of Biomedical Sciences, University of São Paulo, São Paulo, Brazil
| | - Maria Lúcia Correa-Giannella
- Laboratório de Carboidratos e Radioimunoensaios (LIM-18), Hospital das Clínicas HCFMUSP, Faculdade de Medicina, Universidade de São Paulo, São Paulo, Brazil
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Chen J, Zeng M, Liang XF, Peng D, Xie R, Wu D. Dietary supplementation of VA enhances growth, feed utilization, glucose and lipid metabolism, appetite, and antioxidant capacity of Chinese perch (Siniperca chuatsi). FISH PHYSIOLOGY AND BIOCHEMISTRY 2024; 50:225-237. [PMID: 37594622 DOI: 10.1007/s10695-023-01221-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/17/2023] [Accepted: 07/11/2023] [Indexed: 08/19/2023]
Abstract
The aim of this study was to investigate the effect of dietary vitamin A on juvenile Chinese perch (Siniperca chuatsi). Chinese perch were fed with five experimental diets containing 0, 20, 40, 60, and 80 mg VA·kg-1 for 8 weeks. Results showed that dietary vitamin A significantly influenced the fish's growth, feed utilization, glucose and lipid metabolism, appetite, and antioxidant capacity. Vitamin A-supplemented groups had higher weight gain rate (WGR) and specific growth rate (SGR) compared to the control group. Feed conversion ratio (FCR) was also lower in the vitamin A-supplemented groups. Dietary vitamin A had no significant effect on the survival rate (SR). Compared to the control group, fish fed with vitamin A had increased feed intake (FI), and the expression of appetite-promoting genes (npy and agrp) was significantly higher in the 40 mg VA·kg-1 group. Vitamin A also enhanced the utilization of dietary protein by Chinese perch. The serum glucose content of the fish fed with 40 mg VA·kg-1 diet was significantly higher than that of the control group and 20 mg VA·kg-1 diet, indicating that the promoting effect of VA on gluconeogenesis was greater than that on glycolysis. Additionally, dietary vitamin A increased the expression of lipid metabolism-related genes (hl and fas) and antioxidant genes (nrf2 and gpx) in the fish. These results suggest that the optimal vitamin A requirement of juvenile Chinese perch bream was estimated to be 37.32 mg VA·kg-1 based on broken-line regression analysis of WGR. In conclusion, this study provides valuable insights into the potential benefits of dietary vitamin A on the growth, metabolism, and antioxidant capacity of Chinese perch.
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Affiliation(s)
- Junliang Chen
- College of Fisheries, Chinese Perch Research Center, Huazhong Agricultural University, Wuhan, 430070, China
- Engineering Research Center of Green Development for Conventional Aquatic Biological Industry in the Yangtze River Economic Belt, Ministry of Education, Wuhan, 430070, China
| | - Ming Zeng
- College of Fisheries, Chinese Perch Research Center, Huazhong Agricultural University, Wuhan, 430070, China
- Engineering Research Center of Green Development for Conventional Aquatic Biological Industry in the Yangtze River Economic Belt, Ministry of Education, Wuhan, 430070, China
| | - Xu-Fang Liang
- College of Fisheries, Chinese Perch Research Center, Huazhong Agricultural University, Wuhan, 430070, China.
- Engineering Research Center of Green Development for Conventional Aquatic Biological Industry in the Yangtze River Economic Belt, Ministry of Education, Wuhan, 430070, China.
| | - Di Peng
- College of Fisheries, Chinese Perch Research Center, Huazhong Agricultural University, Wuhan, 430070, China
- Engineering Research Center of Green Development for Conventional Aquatic Biological Industry in the Yangtze River Economic Belt, Ministry of Education, Wuhan, 430070, China
| | - Ruipeng Xie
- College of Fisheries, Chinese Perch Research Center, Huazhong Agricultural University, Wuhan, 430070, China
- Engineering Research Center of Green Development for Conventional Aquatic Biological Industry in the Yangtze River Economic Belt, Ministry of Education, Wuhan, 430070, China
| | - Dongliang Wu
- College of Fisheries, Chinese Perch Research Center, Huazhong Agricultural University, Wuhan, 430070, China
- Engineering Research Center of Green Development for Conventional Aquatic Biological Industry in the Yangtze River Economic Belt, Ministry of Education, Wuhan, 430070, China
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Alhabeeb MK, Gomaa HF. Comparing the Effect of Moringa Aqueous Extract and Selenium Nanoparticles Against Complications of Type 2 Diabetes Mellitus. Pak J Biol Sci 2023; 26:249-265. [PMID: 37859556 DOI: 10.3923/pjbs.2023.249.265] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2023]
Abstract
<b>Background and Objective:</b> Plant extracts were widely used to maintain postprandial levels and minimize diabetes complications. The main goal of this study was to evaluate the therapeutic effect of selenium nanoparticles and aqueous extract of the <i>Moringa</i> plant against diabetes mellitus complications and compare their therapeutic effects. <b>Materials and Methods:</b> Fifty six Wistar male rats were divided randomly into 8 groups (7 rats each): (i) Control, (ii): Received corn oil, (iii): Treated with Se-NPs, (iv): Injected orally with <i>Moringa</i> aqueous extract (MAE), (v): Treated with a single i.p., dose of streptozotocin (STZ), (vi): Single i.p., dose of STZ followed by Se-NPs, (vii): Treated with a single i.p., dose of STZ then MAE orally and (viii): Injected with STZ and then received Se-NPs. After 4 weeks the blood sera were isolated and stored at -20°C for investigation of values of insulin, GSH, MDA, SOD, GSH-PX, triglycerides, T-cholesterol, HDL-cholesterol and LDL-cholesterol. <b>Results:</b> The STZ treatment decreased insulin, HDL cholesterol and body weight values while increasing glucose, total cholesterol, LDL cholesterol and triglycerides and mild degeneration of islets of Langerhans. The single treatment of diabetic rats with either MAE or Se-NPs exhibited a decline in the levels of serum glucose, LDL-cholesterol, triglycerides, MDA and GSH, improving the HDL-cholesterol, insulin level and body weight. <b>Conclusion:</b> The co-administration of diabetic rats with MAE and Se-NPs resulted in a prominent improvement that was revealed by restoring beta-cell function, reducing blood glucose levels and stimulating insulin production rather than their single therapeutic use.
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Alazzmi MM, Gomaa HF. Comparing the Therapeutic Potency of Camel Milk and Whey Protein Against Toxicity-Induced by Levofloxacin in Male Albino Rats. Pak J Biol Sci 2023; 26:224-240. [PMID: 37859554 DOI: 10.3923/pjbs.2023.224.240] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2023]
Abstract
<b>Background and Objective:</b> Levofloxacin (LFX) is a wide-spectrum antibiotic that is used to treat many types of infections. Camel milk (CM) and camel whey protein (CWP) are natural antioxidants that work as dietary supplements that enhance immune defenses. The goal of this study was to estimate the therapeutic efficacy of camel whey protein and camel milk, in addition to the toxic effects of the antibiotic levofloxacin. <b>Materials and Methods:</b> As 42 male albino rats were divided as follows: G1: Control, G2: CM orally for 15 days, G3: CWP orally for 15 days, G4: LFX orally for 10 days, G5: LFX for 10 days and followed with CM daily for 15 days and G6: LFX for 10 days followed by CWP orally for 15 days. At the end of the study blood sera from all groups were collected for estimation of serum total protein, albumin, globulins and glucose. Sections of the liver and kidney were separated for estimation of GSH, CAT, GSH-PX. All data were statistically analyzed using analysis of variance. <b>Results:</b> The LFX treatment induced a decrease in serum levels of proteinogram, glucose, hepatic and renal values of oxidative stress and raising values of serum kidney and liver functions, hepatic and renal MDA. The treatment of LFX-treated rats with CWP led to a more increase in serum proteinogram, glucose, hepatic and renal (GSH, CAT, GSH-PX) a decline in serum values of (urea, ALAT, ASAT, ALP, BIL, T.P, D. BIL, Ind. BIL creatinine), hepatic and renal MDA than the treatment with CWP did. <b>Conclusion:</b> The use of CWP after LFX-treatment showed greater therapeutic potency than the use of CM.
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Azarova I, Polonikov A, Klyosova E. Molecular Genetics of Abnormal Redox Homeostasis in Type 2 Diabetes Mellitus. Int J Mol Sci 2023; 24:ijms24054738. [PMID: 36902173 PMCID: PMC10003739 DOI: 10.3390/ijms24054738] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2023] [Revised: 02/20/2023] [Accepted: 02/24/2023] [Indexed: 03/05/2023] Open
Abstract
Numerous studies have shown that oxidative stress resulting from an imbalance between the production of free radicals and their neutralization by antioxidant enzymes is one of the major pathological disorders underlying the development and progression of type 2 diabetes (T2D). The present review summarizes the current state of the art advances in understanding the role of abnormal redox homeostasis in the molecular mechanisms of T2D and provides comprehensive information on the characteristics and biological functions of antioxidant and oxidative enzymes, as well as discusses genetic studies conducted so far in order to investigate the contribution of polymorphisms in genes encoding redox state-regulating enzymes to the disease pathogenesis.
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Affiliation(s)
- Iuliia Azarova
- Department of Biological Chemistry, Kursk State Medical University, 3 Karl Marx Street, 305041 Kursk, Russia
- Laboratory of Biochemical Genetics and Metabolomics, Research Institute for Genetic and Molecular Epidemiology, Kursk State Medical University, 18 Yamskaya Street, 305041 Kursk, Russia
| | - Alexey Polonikov
- Laboratory of Statistical Genetics and Bioinformatics, Research Institute for Genetic and Molecular Epidemiology, Kursk State Medical University, 18 Yamskaya Street, 305041 Kursk, Russia
- Department of Biology, Medical Genetics and Ecology, Kursk State Medical University, 3 Karl Marx Street, 305041 Kursk, Russia
- Correspondence:
| | - Elena Klyosova
- Laboratory of Biochemical Genetics and Metabolomics, Research Institute for Genetic and Molecular Epidemiology, Kursk State Medical University, 18 Yamskaya Street, 305041 Kursk, Russia
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Zhao Q, Tang Y, Zhang L, Sun N, Liu Q, Zhang R. Biological Functions of Selenoprotein Glutathione Peroxidases (GPXs) and their Expression in Osteoarthritis. J Inflamm Res 2023; 16:183-196. [PMID: 36686275 PMCID: PMC9848624 DOI: 10.2147/jir.s388934] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2022] [Accepted: 12/24/2022] [Indexed: 01/15/2023] Open
Abstract
Purpose In order to further study the biological functions of glutathione peroxidases (GPXs) and their expression level in patients with osteoarthritis (OA), we fully explored the potential relationship between GPXs and OA. This will provide new ideas for basic biological studies and therapeutic strategies for OA patients. Patients and Methods In this study, bioinformatics techniques were used to explore the biological functions of five GPXs. The core genes related to the biological functions of GPXs were identified by constructing a protein-protein interaction network (PPI). In addition, we utilized microarray data in public databases to analyze the expression levels of GPXs in OA patients and healthy controls. Finally, we used quantitative real-time polymerase chain reaction (qRT-PCR) to detect the expression of GPXs in OA patients and controls to validate our bioinformatic analysis results. Results Enrichment analysis showed GPXs were mainly enriched in the glutathione metabolic pathway and participate in the biological process of oxidative stress response, and further play an antioxidant role. The PPI network indicated that superoxide dismutase 1 (SOD1), superoxide dismutase 2(SOD2) and catalase (CAT) were the core proteins of this network. GPX1 was regulated by the greatest number of miRNAs. Experiments showed that the expression of GPX1 was elevated in OA patients compared with controls. Conclusion GPXs play an important antioxidant role in oxidative stress response. The expression of GPX1 was elevated in peripheral blood mononuclear cells (PBMCs) of OA patients. The changes of GPXs in OA patients may regulate the level of oxidative stress, which may influence synovial lesions and chondrocyte apoptosis.
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Affiliation(s)
- Qianqian Zhao
- School of Nursing, Shaanxi University of Chinese Medicine, Xianyang, Shaanxi, People’s Republic of China
| | - Yongliang Tang
- The Second Department of Orthopedics, Xi’an Central Hospital, Xi’an, Shaanxi, People’s Republic of China
| | - Luyu Zhang
- School of Nursing, Shaanxi University of Chinese Medicine, Xianyang, Shaanxi, People’s Republic of China
| | - Na Sun
- School of Public Health, Shaanxi University of Chinese Medicine, Xianyang, Shaanxi, People’s Republic of China
| | - Qiling Liu
- School of Public Health, Shaanxi University of Chinese Medicine, Xianyang, Shaanxi, People’s Republic of China
| | - Rongqiang Zhang
- School of Public Health, Shaanxi University of Chinese Medicine, Xianyang, Shaanxi, People’s Republic of China,Correspondence: Rongqiang Zhang, School of Public Health, Shaanxi University of Chinese Medicine, No. 1 Middle Section of Century Avenue, Xianyang, Shaanxi, 712046, People’s Republic of China, Tel/Fax +86-029-38185219, Email
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Alrashidi MS, Gomaa HF. Testicular Effect of Selenium Nanoparticles on Monosodium Glutamate Induced Alteration in Male Albino Rats. Pak J Biol Sci 2023; 26:347-359. [PMID: 37902076 DOI: 10.3923/pjbs.2023.347.359] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2023]
Abstract
<b>Background and Objective:</b> The flavor enhancer Monosodium Glutamate (MSG) is mostly utilized in Asian and West African cuisines, especially in West African and Asian dishes. However, due to its availability, largely without labeling, in many food products, unintentional overuse of this food additive may occur. The objective of this study was to find out how selenium nanoparticles affected the toxicity of MSG in male albino rats' testicles. <b>Materials and Methods:</b> As 35 Wistar male rats partitioned into 5 groups: G1: Control rats, G2: Received Se-NPs at 0.4 mg kg<sup>1</sup> b.wt., orally, G3: Injected with MSG at a daily dose of 4 g kg<sup>1</sup> b.wt., intraperitoneally (IP), G4: Ingested a daily oral dose of Se-NPs for 7 successive days and on the 7th day, received the first dose of MSG IP 4 g kg<sup>1</sup> b.wt., then received both treatments till the end of the study and G5: Administered a daily oral dose of 4 g kg<sup>1</sup> MSG, followed by Se-NPs at a daily dose of 0.4 mg kg<sup>1</sup> b.wt., the experiment continued for 28 days. Serum testosterone hormone, Follicle Stimulating Hormone (FSH), Luteinizing Hormone (LH), the levels of serum lipid peroxidation (MDA), reduced Glutathione (GSH), Glutathione Peroxidase (GSH-Px), superoxide dismutase (SOD) and Lactate Dehydrogenase (LDH) were estimated and samples from testis were separated for histological analysis. <b>Results:</b> The MSG treatment induced a significant decline in the values of serum testosterone, FSH, LH, GSH, GSH-Px and SOD. It also increased the values of serum MDA and LDH and spermatic arrest. While, the administration of Se-NPs orally before MSG treatment resulted in a decline in the values of serum MDA and LDH, an elevation in the values of serum GSH, GSH-PX and SOD, testosterone, FSH, LH and reappearance of sperm. <b>Conclusion:</b> The use of Se-NPs as a protector exhibited more improvement in values of estimated hormones and oxidative stress markers than using it as a therapy.
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Mohammedi K, Marre M, Hadjadj S, Potier L, Velho G. Redox Genetic Risk Score and the Incidence of End-Stage Kidney Disease in People with Type 1 Diabetes. Cells 2022; 11:cells11244131. [PMID: 36552894 PMCID: PMC9777489 DOI: 10.3390/cells11244131] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2022] [Revised: 11/23/2022] [Accepted: 12/16/2022] [Indexed: 12/24/2022] Open
Abstract
End-stage kidney disease (ESKD) is a multifactorial condition influenced by genetic background, but the extent to which a genetic risk score (GRS) improves ESKD prediction is unknown. We built a redox GRS on the base of previous association studies (six polymorphisms from six redox genes) and tested its relationship with ESKD in three cohorts of people with type 1 diabetes. Among 1012 participants, ESKD (hemodialysis requirement, kidney transplantation, eGFR < 15 mL/min/1.73 m2) occurred in 105 (10.4%) during a 14-year follow-up. High redox GRS was associated with increased ESKD risk (adjusted HR for the upper versus the lowest GRS tertile: 2.60 (95% CI, 1.51-4.48), p = 0.001). Each additional risk-allele was associated with a 20% increased risk of ESKD (95% CI, 8-33, p < 0.0001). High GRS yielded a relevant population attributable fraction (30%), but only a marginal enhancement in c-statistics index (0.928 [0.903-0.954]) over clinical factors 0.921 (0.892-0.950), p = 0.04). This is the first report of an independent association between redox GRS and increased risk of ESKD in type 1 diabetes. Our results do not support the use of this GRS in clinical practice but provide new insights into the involvement of oxidative stress genetic factors in ESKD risk in type 1 diabetes.
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Affiliation(s)
- Kamel Mohammedi
- Centre Hospitalier de Bordeaux, Department of Endocrinology, Diabetes and Nutrition, University Hospital of Bordeaux, 33604 Pessac, France
- Population Health Research Institute, McMaster University and Hamilton Health Sciences, Hamilton, ON L8S 4L8, Canada
- Correspondence:
| | - Michel Marre
- Institut Necker-Enfants Malades, INSERM, Université de Paris, 75013 Paris, France
- Clinique Ambroise Paré, 92200 Neuilly-sur-Seine, France
| | - Samy Hadjadj
- Institut du Thorax, INSERM, CNRS, UNIV Nantes, CHU Nantes, 44109 Nantes, France
| | - Louis Potier
- Institut Necker-Enfants Malades, INSERM, Université de Paris, 75013 Paris, France
- Clinique Ambroise Paré, 92200 Neuilly-sur-Seine, France
- Service d’Endocrinologie Diabétologie Nutrition, Hôpital Bichat, AP-HP, 75013 Paris, France
| | - Gilberto Velho
- Institut Necker-Enfants Malades, INSERM, Université de Paris, 75013 Paris, France
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Camoin M, Velho G, Saulnier PJ, Potier L, Abouleka Y, Carpentier C, Dubois S, Larroumet A, Rigalleau V, Gand E, Bourron O, Bordier L, Scheen A, Hadjadj S, Roussel R, Marre M, Mohammedi K. Differential prognostic burden of cardiovascular disease and lower-limb amputation on the risk of all-cause death in people with long-standing type 1 diabetes. Cardiovasc Diabetol 2022; 21:71. [PMID: 35534880 PMCID: PMC9088124 DOI: 10.1186/s12933-022-01487-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/03/2022] [Accepted: 02/28/2022] [Indexed: 12/02/2022] Open
Abstract
Background Cardiovascular disease (CVD) and nontraumatic lower-limb amputation (LLA) each results in reduced life expectancy in patients with type 1 diabetes, but the differential burden between these conditions is unknown. We compared the effects of CVD and LLA on the risk of mortality in people with type 1 diabetes. Methods We used pooled data from the SURGENE, GENEDIAB, and GENESIS prospective cohorts. Data were divided into: 1/absence of CVD (myocardial infarction and/or stroke) nor LLA, 2/history of CVD alone without LLA, 3/LLA alone without CVD or 4/both conditions at baseline. Participants with baseline history of peripheral artery disease were excluded from groups 1 and 2. The study endpoint was any death occurring during follow-up, regardless of the causes. Results Among 1169 participants (male 55%, age 40 ± 13 years, diabetes duration 23 ± 11 years), CVD, LLA or both were present at baseline in 49 (4.2%), 62 (5.3%) and 20 (1.7%) subjects, respectively. All-cause death occurred in 304 (26%) participants during 17-year follow-up, corresponding to 18,426 person-years and an incidence rate of 16 (95%CI, 15–18) per 1000 person-years. The risk of death increased in individuals with baseline history of CVD (adjusted HR 2.00 [95% CI 1.34–3.01], p = 0.0008) or LLA (2.26 [1.56–3.28], p < 0.0001), versus no condition, with an additive effect in people with both conditions (5.32 [3.14–9.00], p < 0.0001). No incremental risk of death was observed in people with CVD versus LLA (0.87 [0.54–1.41]). Compared with no condition, CVD and LLA were similarly associated with reduced life expectancy during follow-up: 2.79 (95% CI 1.26–4.32) and 3.38 (1.87–4.88) years, respectively. Combined conditions expose to 7.04 (4.76–9.31) less years of life expectancy (all p < 0.0001). Conclusions CVD and LLA conferred a similar burden regarding mortality in type 1 diabetes population. Our findings encourage a careful consideration of people with type 1 diabetes and LLA as usually recommended for those with CVD, in terms of management of risk factors, treatments and prevention. Supplementary Information The online version contains supplementary material available at 10.1186/s12933-022-01487-8.
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Affiliation(s)
- Marion Camoin
- Department of Endocrinology, Diabetes and Nutrition, CEDEX, Bordeaux University Hospital, Hôpital Haut-Lévêque, Avenue de Magellan, 33604, Pessac, France.,Service d'Endocrinologie Diabétologie Nutrition, Hôpital Bichat, Fédération de Diabétologie de Paris, AP-HP, Université de Paris, Paris, France
| | | | - Pierre-Jean Saulnier
- UFR de Médecine et Pharmacie, Université de Poitiers, Poitiers, France.,Centre d'Investigation Clinique, CHU de Poitiers, Poitiers, France.,Inserm, CIC 1402, Poitiers, France
| | - Louis Potier
- Service d'Endocrinologie Diabétologie Nutrition, Hôpital Bichat, Fédération de Diabétologie de Paris, AP-HP, Université de Paris, Paris, France.,INEM, INSERM, Université de Paris, Paris, France
| | - Yawa Abouleka
- Service d'Endocrinologie Diabétologie Nutrition, Hôpital Bichat, Fédération de Diabétologie de Paris, AP-HP, Université de Paris, Paris, France
| | - Charlyne Carpentier
- Service d'Endocrinologie Diabétologie Nutrition, CHU d'Angers, Angers, France
| | - Severine Dubois
- Service d'Endocrinologie Diabétologie Nutrition, CHU d'Angers, Angers, France
| | - Alice Larroumet
- Department of Endocrinology, Diabetes and Nutrition, CEDEX, Bordeaux University Hospital, Hôpital Haut-Lévêque, Avenue de Magellan, 33604, Pessac, France
| | - Vincent Rigalleau
- Department of Endocrinology, Diabetes and Nutrition, CEDEX, Bordeaux University Hospital, Hôpital Haut-Lévêque, Avenue de Magellan, 33604, Pessac, France.,Faculty of Medicine, University of Bordeaux, Bordeaux, France.,INSERM U1219, Bordeaux Population Health Research Center, Bordeaux, France
| | - Elise Gand
- Centre d'Investigation Clinique, CHU de Poitiers, Poitiers, France
| | - Olivier Bourron
- Service de Diabétologie et Métabolisme, APHP, Groupe Hospitalier La Pitié-Salpêtrière, Sorbonne Université, Paris, France.,INSERM, UMRS 1138, Centre de Recherche des Cordeliers, Sorbonne Université, Paris, France
| | - Lyse Bordier
- Service d'Endocrinologie, Hôpital Bégin, Saint Mandé, France
| | | | - Samy Hadjadj
- Institut du Thorax, INSERM, CNRS, UNIV Nantes, CHU Nantes, Nantes, France
| | - Ronan Roussel
- Service d'Endocrinologie Diabétologie Nutrition, Hôpital Bichat, Fédération de Diabétologie de Paris, AP-HP, Université de Paris, Paris, France.,INEM, INSERM, Université de Paris, Paris, France
| | - Michel Marre
- INEM, INSERM, Université de Paris, Paris, France.,Clinique Ambroise Paré, Neuilly-sur-Seine, France
| | - Kamel Mohammedi
- Department of Endocrinology, Diabetes and Nutrition, CEDEX, Bordeaux University Hospital, Hôpital Haut-Lévêque, Avenue de Magellan, 33604, Pessac, France. .,Faculty of Medicine, University of Bordeaux, Bordeaux, France. .,Biology of Cardiovascular Diseases, INSERM Unit 1034, Pessac, France.
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11
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Zhang R, Zhang D, Yang X, Zhang D, Li Q, Wang C, Yang X, Guo H, Xiong Y. CpG methylation of the GPX3 promoter in patients with Kashin-Beck Disease potentially promotes chondrocyte apoptosis. J Trace Elem Med Biol 2022; 71:126943. [PMID: 35176576 DOI: 10.1016/j.jtemb.2022.126943] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/28/2021] [Revised: 10/29/2021] [Accepted: 02/01/2022] [Indexed: 10/19/2022]
Abstract
OBJECTIVE To determine the methylation levels of CpGs in the GPX3 promoter region and explore their potential effects on the apoptosis of chondrocytes. METHODS Blood specimens were collected from 32 participants; 16 KBD patients and 16 healthy subjects. Twenty-five CpGs in the promoter region of GPX3 were identified and detected by MALDI-TOF-MS. Methylation levels of CpGs were compared between KBD patients and healthy subjects as well as among the KBD patients with different degrees. C28/I2 human chondrocytes were treated with tBHP and Na2SeO3. Apoptosis in chondrocytes was examined under a fluorescence microscope. RESULTS The methylation levels of GPX3-1_CpG_11 and GPX3-1_CpG_16 in KBD patients were significantly higher than those of healthy subjects (P < 0.05). The methylation levels of the other CpGs were not significantly different between the two groups (P > 0.05). The methylation level of GPX3-1_CpG_24 in KBD patients was significantly higher than those of healthy subjects (P < 0.05). MSP-PCR analysis indicated that the methylation rate of KBD group (9.41%) was significantly higher than that of healthy subjects (1.18%), and that GPX3 DNA methylation increased the risk of acquiring KBD 8 fold (OR = 8.000, 95% CI: 1.023-62.580); The mRNA expression of GPX3 in whole blood of KBD patients was lower than that of healthy subjects (P<0.05); Compared with the control group, GPX3, GPX1 and GPX4 mRNA level of the tertbutyl hydroperoxide injury group decreased significantly (P < 0.05), after supplementation with Na2SeO3. The rate of chondrocytes apoptosis was decreased with the increasing of GPX3 and GPX4 mRNA levels (P<0.05) and GPX3 mRNA showed a similar trend without statistically significant (P>0.05). CONCLUSION The methylation patterns of CpGs in GPX3 varied in KBD patients. The experiments indicated that the increased methylation of CpGs within the GPX3 promoter may down-regulate the expression of GPX3, thereby reducing the antioxidant function of GPX3 and promoting chondrocyte apoptosis, both of which accelerates the occurrence of KBD. We therefore propose a new understanding of GPX3's potential epigenetic and genetic mechanisms that contribute to KBD.
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Affiliation(s)
- Rongqiang Zhang
- School of Public Health, Shaanxi University of Chinese Medicine, Xianyang, China; Institute of Endemic Diseases and Key Laboratory of Trace Elements and Endemic Diseases, National Health Commission of the People's Republic of China, School of Public Health, Xi'an Jiaotong University Health Science Center, No.76 Yanta West Road, Xi'an, Shaanxi 710061, China
| | - Di Zhang
- Institute of Endemic Diseases and Key Laboratory of Trace Elements and Endemic Diseases, National Health Commission of the People's Republic of China, School of Public Health, Xi'an Jiaotong University Health Science Center, No.76 Yanta West Road, Xi'an, Shaanxi 710061, China
| | - Xiaoli Yang
- Institute of Endemic Diseases and Key Laboratory of Trace Elements and Endemic Diseases, National Health Commission of the People's Republic of China, School of Public Health, Xi'an Jiaotong University Health Science Center, No.76 Yanta West Road, Xi'an, Shaanxi 710061, China
| | - Dandan Zhang
- Institute of Endemic Diseases and Key Laboratory of Trace Elements and Endemic Diseases, National Health Commission of the People's Republic of China, School of Public Health, Xi'an Jiaotong University Health Science Center, No.76 Yanta West Road, Xi'an, Shaanxi 710061, China
| | - Qiang Li
- Institute of Endemic Diseases and Key Laboratory of Trace Elements and Endemic Diseases, National Health Commission of the People's Republic of China, School of Public Health, Xi'an Jiaotong University Health Science Center, No.76 Yanta West Road, Xi'an, Shaanxi 710061, China
| | - Chen Wang
- Institute of Endemic Diseases and Key Laboratory of Trace Elements and Endemic Diseases, National Health Commission of the People's Republic of China, School of Public Health, Xi'an Jiaotong University Health Science Center, No.76 Yanta West Road, Xi'an, Shaanxi 710061, China
| | - Xuena Yang
- Institute of Endemic Diseases and Key Laboratory of Trace Elements and Endemic Diseases, National Health Commission of the People's Republic of China, School of Public Health, Xi'an Jiaotong University Health Science Center, No.76 Yanta West Road, Xi'an, Shaanxi 710061, China
| | - Hao Guo
- Institute of Endemic Diseases and Key Laboratory of Trace Elements and Endemic Diseases, National Health Commission of the People's Republic of China, School of Public Health, Xi'an Jiaotong University Health Science Center, No.76 Yanta West Road, Xi'an, Shaanxi 710061, China
| | - Yongmin Xiong
- Institute of Endemic Diseases and Key Laboratory of Trace Elements and Endemic Diseases, National Health Commission of the People's Republic of China, School of Public Health, Xi'an Jiaotong University Health Science Center, No.76 Yanta West Road, Xi'an, Shaanxi 710061, China.
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12
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Mohammedi K, Abouleka Y, Carpentier C, Potier L, Dubois S, Foussard N, Rigalleau V, Gautier JF, Gourdy P, Charpentier G, Roussel R, Scheen A, Bauduceau B, Hadjadj S, Alhenc-Gelas F, Marre M, Velho G. Association Between the ACE Insertion/Deletion Polymorphism and Risk of Lower-Limb Amputation in Patients With Long-Standing Type 1 Diabetes. Diabetes Care 2022; 45:407-415. [PMID: 34853028 DOI: 10.2337/dc21-0973] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/06/2021] [Accepted: 11/01/2021] [Indexed: 02/03/2023]
Abstract
OBJECTIVE The ACE insertion/deletion (I/D) polymorphism has been widely studied in people with diabetes, albeit not with regard to lower-limb amputation (LLA). We examined associations among this polymorphism, plasma ACE concentration, and LLA in people with type 1 diabetes. RESEARCH DESIGN AND METHODS ACE I/D genotype and plasma ACE were assessed in three prospective cohorts of participants with type 1 diabetes. LLA was defined as minor (below-the-ankle amputation consisting of at least one ray metatarsal resection) or major (transtibial or transfemoral) amputation. Linear, logistic, and Cox regression models were computed to evaluate the likelihood of prevalent and incident LLA by ACE genotype (XD [ID or ID] vs. II) and plasma ACE, after adjusting for confounders. RESULTS Among 1,301 participants (male 54%, age 41 ± 13 years), 90 (6.9%) had a baseline history of LLA. Baseline LLA was more prevalent in XD (7.4%) than in II genotype (4.5%, odds ratio [OR] 2.17 [95 %CI 1.03-4.60]). Incident LLA occurred in 53 individuals during the 14-year follow-up and was higher in XD versus II carriers (hazard ratio 3.26 [95% CI 1.16-13.67]). This association was driven by excess risk of minor, but not major, LLA. The D allele was associated with increased prevalent LLA at the end of follow-up (OR 2.48 [1.33-4.65]). LLA was associated with higher mean (95% CI) ACE levels in II (449 [360, 539] vs. 354 [286, 423] ng/mL), but not XD (512 [454, 570] vs. 537 [488, 586]), carriers. CONCLUSIONS This report is the first of an independent association between ACE D allele and excess LLA risk, mainly minor amputations, in patients with type 1 diabetes.
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Affiliation(s)
- Kamel Mohammedi
- Department of Endocrinology, Diabetes and Nutrition, Bordeaux University Hospital, Hôpital Haut-Lévêque, Pessac, France.,Faculty of Medicine, University of Bordeaux, Bordeaux, France.,Biology of Cardiovascular Diseases, INSERM U1034, Pessac, France
| | - Yawa Abouleka
- Centre de Recherche des Cordeliers, INSERM, Université de Paris, Sorbonne Université, Paris, France.,Service d'Endocrinologie Diabétologie Nutrition, Hôpital Bichat, AP-HP, Paris, France
| | - Charlyne Carpentier
- Service d'Endocrinologie Diabétologie Nutrition, CHU d'Angers, Angers, France
| | - Louis Potier
- Centre de Recherche des Cordeliers, INSERM, Université de Paris, Sorbonne Université, Paris, France.,Service d'Endocrinologie Diabétologie Nutrition, Hôpital Bichat, AP-HP, Paris, France
| | - Severine Dubois
- Service d'Endocrinologie Diabétologie Nutrition, CHU d'Angers, Angers, France
| | - Ninon Foussard
- Department of Endocrinology, Diabetes and Nutrition, Bordeaux University Hospital, Hôpital Haut-Lévêque, Pessac, France.,Faculty of Medicine, University of Bordeaux, Bordeaux, France
| | - Vincent Rigalleau
- Department of Endocrinology, Diabetes and Nutrition, Bordeaux University Hospital, Hôpital Haut-Lévêque, Pessac, France.,Faculty of Medicine, University of Bordeaux, Bordeaux, France
| | - Jean-François Gautier
- Centre de Recherche des Cordeliers, INSERM, Université de Paris, Sorbonne Université, Paris, France.,Service de Diabétologie et d'Endocrinologie, Hôpital Lariboisière, AP-HP, Université de Paris, Paris, France
| | - Pierre Gourdy
- Service d'Endocrinologie Diabétologie Nutrition, CHU de Toulouse, Toulouse, France.,Institut des Maladies Métaboliques et Cardiovasculaires, UMR1297 INSERM/UPS, Université Toulouse 3, Toulouse, France
| | - Guillaume Charpentier
- 10Center for Study and Research for Improvement of the Treatment of Diabetes, Bioparc-Génopole Évry-Corbeil, Évry, France
| | - Ronan Roussel
- Centre de Recherche des Cordeliers, INSERM, Université de Paris, Sorbonne Université, Paris, France.,Service d'Endocrinologie Diabétologie Nutrition, Hôpital Bichat, AP-HP, Paris, France
| | | | | | - Samy Hadjadj
- 13Institut du Thorax, INSERM, CNRS, Université de Nantes, CHU Nantes, Nantes, France
| | - François Alhenc-Gelas
- Centre de Recherche des Cordeliers, INSERM, Université de Paris, Sorbonne Université, Paris, France
| | - Michel Marre
- Centre de Recherche des Cordeliers, INSERM, Université de Paris, Sorbonne Université, Paris, France.,14Clinique Ambroise Paré, Neuilly-sur-Seine, France
| | - Gilberto Velho
- Centre de Recherche des Cordeliers, INSERM, Université de Paris, Sorbonne Université, Paris, France
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13
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Physiological Functions of Thiol Peroxidases (Gpx1 and Prdx2) during Xenopus laevis Embryonic Development. Antioxidants (Basel) 2021; 10:antiox10101636. [PMID: 34679770 PMCID: PMC8533462 DOI: 10.3390/antiox10101636] [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: 09/29/2021] [Revised: 10/13/2021] [Accepted: 10/14/2021] [Indexed: 11/18/2022] Open
Abstract
Glutathione peroxidase 1 (Gpx1) and peroxiredoxin 2 (Prdx2) belong to the thiol peroxidase family of antioxidants, and have been studied for their antioxidant functions and roles in cancers. However, the physiological significance of Gpx1 and Prdx2 during vertebrate embryogenesis are lacking. Currently, we investigated the functional roles of Gpx1 and Prdx2 during vertebrate embryogenesis using Xenopus laevis as a vertebrate model. Our investigations revealed the zygotic nature of gpx1 having its localization in the eye region of developing embryos, whereas prdx2 exhibited a maternal nature and were localized in embryonic ventral blood islands. Furthermore, the gpx1-morphants exhibited malformed eyes with incompletely detached lenses. However, the depletion of prdx2 has not established its involvement with embryogenesis. A molecular analysis of gpx1-depleted embryos revealed the perturbed expression of a cryba1-lens-specific marker and also exhibited reactive oxygen species (ROS) accumulation in the eye regions of gpx1-morphants. Additionally, transcriptomics analysis of gpx1-knockout embryos demonstrated the involvement of Wnt, cadherin, and integrin signaling pathways in the development of malformed eyes. Conclusively, our findings indicate the association of gpx1 with a complex network of embryonic developmental pathways and ROS responses, but detailed investigation is a prerequisite in order to pinpoint the mechanistic details of these interactions.
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14
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Gould RL, Craig SW, McClatchy S, Churchill GA, Pazdro R. Genetic mapping of renal glutathione suggests a novel regulatory locus on the murine X chromosome and overlap with hepatic glutathione regulation. Free Radic Biol Med 2021; 174:28-39. [PMID: 34324982 PMCID: PMC8597656 DOI: 10.1016/j.freeradbiomed.2021.07.035] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/09/2021] [Revised: 07/14/2021] [Accepted: 07/25/2021] [Indexed: 11/29/2022]
Abstract
Glutathione (GSH) is a critical cellular antioxidant that protects against byproducts of aerobic metabolism and other reactive electrophiles to prevent oxidative stress and cell death. Proper maintenance of its reduced form, GSH, in excess of its oxidized form, GSSG, prevents oxidative stress in the kidney and protects against the development of chronic kidney disease. Evidence has indicated that renal concentrations of GSH and GSSG, as well as their ratio GSH/GSSG, are moderately heritable, and past research has identified polymorphisms and candidate genes associated with these phenotypes in mice. Yet those discoveries were made with in silico mapping methods that are prone to false positives and power limitations, so the true loci and candidate genes that control renal glutathione remain unknown. The present study utilized high-resolution gene mapping with the Diversity Outbred mouse stock to identify causal loci underlying variation in renal GSH levels and redox status. Mapping output identified a suggestive locus associated with renal GSH on murine chromosome X at 51.602 Mbp, and bioinformatic analyses identified apoptosis-inducing factor mitochondria-associated 1 (Aifm1) as the most plausible candidate. Then, mapping outputs were compiled and compared against the genetic architecture of the hepatic GSH system, and we discovered a locus on murine chromosome 14 that overlaps between hepatic GSH concentrations and renal GSH redox potential. Overall, the results support our previously proposed model that the GSH redox system is regulated by both global and tissue-specific loci, vastly improving our understanding of GSH and its regulation and proposing new candidate genes for future mechanistic studies.
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Affiliation(s)
- Rebecca L Gould
- Department of Nutritional Sciences, University of Georgia, 305 Sanford Drive, Athens, GA, 30602, USA
| | - Steven W Craig
- Department of Nutritional Sciences, University of Georgia, 305 Sanford Drive, Athens, GA, 30602, USA
| | - Susan McClatchy
- The Jackson Laboratory, 600 Main Street, Bar Harbor, ME, 04609, USA
| | - Gary A Churchill
- The Jackson Laboratory, 600 Main Street, Bar Harbor, ME, 04609, USA
| | - Robert Pazdro
- Department of Nutritional Sciences, University of Georgia, 305 Sanford Drive, Athens, GA, 30602, USA.
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15
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Gould RL, Craig SW, McClatchy S, Churchill GA, Pazdro R. Quantitative trait mapping in Diversity Outbred mice identifies novel genomic regions associated with the hepatic glutathione redox system. Redox Biol 2021; 46:102093. [PMID: 34418604 PMCID: PMC8385155 DOI: 10.1016/j.redox.2021.102093] [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: 05/06/2021] [Revised: 07/24/2021] [Accepted: 08/04/2021] [Indexed: 11/01/2022] Open
Abstract
The tripeptide glutathione (GSH) is instrumental to antioxidant protection and xenobiotic metabolism, and the ratio of its reduced and oxidized forms (GSH/GSSG) indicates the cellular redox environment and maintains key aspects of cellular signaling. Disruptions in GSH levels and GSH/GSSG have long been tied to various chronic diseases, and many studies have examined whether variant alleles in genes responsible for GSH synthesis and metabolism are associated with increased disease risk. However, past studies have been limited to established, canonical GSH genes, though emerging evidence suggests that novel loci and genes influence the GSH redox system in specific tissues. The present study marks the most comprehensive effort to date to directly identify genetic loci associated with the GSH redox system. We employed the Diversity Outbred (DO) mouse population, a model of human genetics, and measured GSH and the essential redox cofactor NADPH in liver, the organ with the highest levels of GSH in the body. Under normal physiological conditions, we observed substantial variation in hepatic GSH and NADPH levels and their redox balances, and discovered a novel, significant quantitative trait locus (QTL) on murine chromosome 16 underlying GSH/GSSG; bioinformatics analyses revealed Socs1 to be the most likely candidate gene. We also discovered novel QTL associated with hepatic NADP+ levels and NADP+/NADPH, as well as unique candidate genes behind each trait. Overall, these findings transform our understanding of the GSH redox system, revealing genetic loci that govern it and proposing new candidate genes to investigate in future mechanistic endeavors.
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Affiliation(s)
- Rebecca L Gould
- Department of Nutritional Sciences, University of Georgia, 305 Sanford Drive, Athens, GA, 30602, USA
| | - Steven W Craig
- Department of Nutritional Sciences, University of Georgia, 305 Sanford Drive, Athens, GA, 30602, USA
| | - Susan McClatchy
- The Jackson Laboratory, 600 Main Street, Bar Harbor, ME, 04609, USA
| | - Gary A Churchill
- The Jackson Laboratory, 600 Main Street, Bar Harbor, ME, 04609, USA
| | - Robert Pazdro
- Department of Nutritional Sciences, University of Georgia, 305 Sanford Drive, Athens, GA, 30602, USA.
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16
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Abouleka Y, Mohammedi K, Carpentier C, Dubois S, Gourdy P, Gautier JF, Roussel R, Scheen A, Alhenc-Gelas F, Hadjadj S, Velho G, Marre M. ACE I/D Polymorphism, Plasma ACE Levels, and Long-term Kidney Outcomes or All-Cause Death in Patients With Type 1 Diabetes. Diabetes Care 2021; 44:1377-1384. [PMID: 33827803 PMCID: PMC8247517 DOI: 10.2337/dc20-3036] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/15/2020] [Accepted: 02/22/2021] [Indexed: 02/03/2023]
Abstract
OBJECTIVE The deletion (D) allele of the ACE insertion/deletion (I/D) polymorphism is a risk factor for diabetic kidney disease. We assessed its contribution to long-term kidney outcomes and all-cause death in patients with long-standing type 1 diabetes. RESEARCH DESIGN AND METHODS A total of 1,155 participants from three French and Belgian cohorts were monitored for a median duration of 14 (interquartile range 13) years. The primary outcome was the occurrence of end-stage kidney disease (ESKD) or a 40% drop in the estimated glomerular filtration rate (eGFR). Secondary outcomes were the individual components of the primary outcome, rapid decline in eGFR (steeper than -3 mL/min/1.73 m2 per year), incident albuminuria, all-cause death, and a composite ESKD or all-cause death. Hazard ratios (HRs) for XD versus II genotype and for baseline plasma ACE levels were computed by Cox analysis. Genotype performance in stratifying the primary outcome was tested. RESULTS Genotype distribution was 954 XD and 201 II. The primary outcome occurred in 20% of XD and 13% of II carriers: adjusted HR 2.07 (95% CI 1.32-3.40; P = 0.001). Significant associations were also observed for rapid decline in eGFR, incident albuminuria, ESKD, all-cause death, and ESKD or all-cause death. Baseline plasma ACE levels were higher in XD carriers and significantly associated with an increased risk of the primary outcome. The ACE genotype enhanced net reclassification improvement (0.154, 95% CI 0.007-0.279; P = 0.04) and integrated discrimination improvement (0.012, 95%CI 0.001-0.021; P = 0.02) for primary outcome stratification. CONCLUSIONS The D-allele of the ACE I/D polymorphism was associated with an increased risk of major kidney events and all-cause death in patients with long-standing type 1 diabetes.
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Affiliation(s)
- Yawa Abouleka
- Centre de Recherche des Cordeliers, INSERM, Université de Paris, Sorbonne Université, Paris, France.,Service d'Endocrinologie Diabétologie Nutrition, Hôpital Bichat, Assistance Publique-Hôpitaux de Paris, Paris, France
| | - Kamel Mohammedi
- Bordeaux University and Hospital, INSERM U1219, Bordeaux, France
| | - Charlyne Carpentier
- Service d'Endocrinologie Diabétologie Nutrition, CHU d'Angers, Angers, France
| | - Severine Dubois
- Service d'Endocrinologie Diabétologie Nutrition, CHU d'Angers, Angers, France
| | - Pierre Gourdy
- Service d'Endocrinologie Diabétologie Nutrition, CHU de Toulouse, Toulouse, France.,Institut des Maladies Métaboliques et Cardiovasculaires, UMR1048 INSERM/UPS, Université Toulouse III - Paul Sabatier, Toulouse, France
| | - Jean-François Gautier
- Centre de Recherche des Cordeliers, INSERM, Université de Paris, Sorbonne Université, Paris, France.,Service de Diabétologie et d'Endocrinologie, Hôpital Lariboisière, Assistance Publique-Hôpitaux de Paris, Université de Paris, Paris, France
| | - Ronan Roussel
- Centre de Recherche des Cordeliers, INSERM, Université de Paris, Sorbonne Université, Paris, France.,Service d'Endocrinologie Diabétologie Nutrition, Hôpital Bichat, Assistance Publique-Hôpitaux de Paris, Paris, France
| | | | - François Alhenc-Gelas
- Centre de Recherche des Cordeliers, INSERM, Université de Paris, Sorbonne Université, Paris, France
| | - Samy Hadjadj
- Institut du Thorax, INSERM, CNRS, Université de Nantes, CHU Nantes, Nantes, France
| | - Gilberto Velho
- Centre de Recherche des Cordeliers, INSERM, Université de Paris, Sorbonne Université, Paris, France
| | - Michel Marre
- Centre de Recherche des Cordeliers, INSERM, Université de Paris, Sorbonne Université, Paris, France .,Clinique Ambroise Paré, Neuilly-sur-Seine, France
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17
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MEN LH, PI ZF, HU MX, LIU S, LIU ZQ, SONG FR, CHEN X, LIU ZY. Serum Metabolomics Coupled with Network Pharmacology Strategy to Explore Therapeutic Effects of Scutellaria Baicalensis Georgi on Diabetic Nephropathy. CHINESE JOURNAL OF ANALYTICAL CHEMISTRY 2021. [DOI: 10.1016/s1872-2040(20)60075-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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18
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Jerotić Đ, Matić M, McClements L. The importance of polymorphisms of regulatory and catalytic antioxidant proteins in chronic kidney disease. MEDICINSKI PODMLADAK 2021. [DOI: 10.5937/mp72-31109] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022] Open
Abstract
Both excessive production of reactive oxygen species (ROS) and impaired antioxidant function are found in patients with chronic kidney disease (CKD). Therefore, individual susceptibility towards CKD can be induced by functional variations of genes encoding antioxidant regulatory (nuclear factor erythroid 2 - related factor 2 (Nrf2)) and catalytic (superoxide dismutase (SOD2) and glutathione peroxidase (GPX1)) proteins. Several types of single nucleotide polymorphisms (SNPs) have been found within the genes encoding these proteins, with Nrf2 (-617C/A), SOD2 (Ala16Val) and GPX1 (Pro198Leu) conferring impaired catalytic activity. The most unexplored gene polymorphism in CKD susceptibility, progression and survival, with only two original studies published, is the Nrf2 (-617C/A) polymorphism. The results of these studies showed that there was no individual impact of this polymorphism on the susceptibility towards end stage renal disease (ESRD) development, oxidative phenotype and mortality. However, Nrf2 had a significant role in ESRD risk and survival, when combined with other antioxidant genes. The results regarding the impact of SOD2 (Ala16Val) and GPX1 (Pro198Leu) polymorphisms on either CKD or ESRD are still inconclusive. Namely, some studies showed that patients having variant SOD2 (Val) or GPX1 (Leu) allele were at increased risk of CKD development and progression, while other studies reported only weak or no association between these polymorphisms and CKD. Surprisingly, the only study that reported an association of GPX1 polymorphism with overall/cardiovascular survival in ESRD patients showed a significant impact of low activity GPX1 (Leu/Leu) genotype on better survival. In this review, we comprehensively and critically appraise the literature on these polymorphisms related to oxidative stress in CKD patients, in order to identify gaps and provide recommendations for further clinical research and translation. New developments in the field of antioxidant polymorphisms in CKD patients could lead to better stratification of CKD patients, based on a prognostic antioxidant gene panel, and provide a more personalised medicine approach for the need of antioxidant therapy in these patients.
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Zitouni K, Steyn MRCP, Lyka E, Kelly FJ, Cook P, Ster IC, Earle KA. Derepression of glomerular filtration, renal blood flow and antioxidant defence in patients with type 2 diabetes at high-risk of cardiorenal disease. Free Radic Biol Med 2020; 161:283-289. [PMID: 33039650 DOI: 10.1016/j.freeradbiomed.2020.10.005] [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] [Received: 05/19/2020] [Revised: 09/28/2020] [Accepted: 10/03/2020] [Indexed: 02/07/2023]
Abstract
BACKGROUND The role of antioxidant status on microvascular blood flow and glomerular filtration (eGFR) in patients with type 2 diabetes and hypertension whose risk of progressive renal disease varies by ethnicity is unknown. METHODS Adult, non-Caucasian (n = 101) and Caucasian (n = 69) patients with type 2 diabetes, hypertension and/or microalbuminuria and an eGFR > 45 mL/min/1.73 m2 were randomised to receive 400 IU vitamin E and/or 20 μg selenium daily or matching placebo. eGFR (CKD-EPI) was measured at baseline, 3,6 and 12 months and renal blood flow by contrast-enhanced ultrasonography in a sub-group (n = 9) at baseline and 3 months by assessing the area under the time intensity curve (TIC). Circulating glutathione peroxidase 3 (GPx-3) activity was measured as a biomarker of oxidative defence status. RESULTS The time to change in eGFR was shortest with combined vitamin E and selenium than usual care (5.6 [4.0-7.0] vs 8.9 [6.8-10.9 months]; p = 0.006). Area under the TIC was reduced compared to baseline (38.52 [22.41-90.49] vs 123 [86.98-367.03]dB.s; P ≤ 0.05 and 347 [175.88-654.92] vs 928.03 [448.45-1683]dB.s; P ≤ 0.05, respectively] at 3 months suggesting an increase in rate of perfusion. The proportional change in eGFR at 12 months was greater in the group whose GPx-3 activity was above, compared with those below the cohort median (360 U/L) in the non-Caucasian and the Caucasian groups (19.1(12.5-25.7] % vs 6.5[-3.5 to 16.5] % and 12.8 [0.7 to 24] % vs 0.2 [-6.1 to 6.5] %). CONCLUSION In these patients with type 2 diabetes and early CKD, antioxidant treatment derepresses renal blood flow and a rise in eGFR correlated directly with GPx-3 activity. SIGNIFICANCE Diabetes mellitus is the world's leading cause of end-stage renal disease which has a predilection for black and minor ethnic groups compared with Caucasians. The differences in risk despite the benefits of conventional care may be related to oxidative stress. We found that glomerular filtration and renal blood flow is suppressed when renal function is preserved in high-risk patients with type 2 diabetes. Conventional care supplemented with selenium - the co-factor for glutathione peroxidase-3 (GPx-3) - improves renal perfusion and increase glomerular filtration according to host antioxidant defence determined by GPx-3 activity. Circulating GPx-3 activity warrants further investigation as a novel biomarker of reversible haemodynamic changes in early diabetic kidney disease to better enable targeting of renoprotective strategies.
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Affiliation(s)
- Karima Zitouni
- St Georges University of London, Institute of Infection and Immunity, London, UK
| | - M R C P Steyn
- St Georges University Hospitals NHS Foundation Trust, Thomas Addison Unit, London, UK
| | - Eliza Lyka
- St Georges University of London, Institute of Biomedical & Medical Education, London, UK
| | - Frank J Kelly
- Kings College London, Analytical, Environmental and Forensic Sciences Department, London, UK
| | - Paul Cook
- University Hospital Southampton NHS Foundation Trust, Trace Element Unit, Southampton, UK
| | - Irina Chis Ster
- St Georges University of London, Institute of Infection and Immunity, London, UK
| | - Kenneth Anthony Earle
- St Georges University Hospitals NHS Foundation Trust, Thomas Addison Unit, London, UK; St Georges University of London, Institute of Biomedical & Medical Education, London, UK.
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20
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Dai H, Coleman DN, Lopes MG, Hu L, Martinez-Cortés I, Parys C, Shen X, Loor JJ. Alterations in immune and antioxidant gene networks by gamma-d-glutamyl-meso-diaminopimelic acid in bovine mammary epithelial cells are attenuated by in vitro supply of methionine and arginine. J Dairy Sci 2020; 104:776-785. [PMID: 33189269 DOI: 10.3168/jds.2020-19307] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2020] [Accepted: 09/08/2020] [Indexed: 12/25/2022]
Abstract
Nucleotide-binding oligomerization domain (NOD)-like receptor 1 (NOD1) is a cytosolic pattern recognition receptor with a crucial role in the innate immune response of cells triggered by the presence of compounds such as gamma-d-glutamyl-meso-diaminopimelic acid (iE-DAP) present in the peptidoglycan of all gram-negative and certain gram-positive bacteria. Methionine (Met) and arginine (Arg) are functional AA with immunomodulatory properties. In the present study, we aimed to assess the effect of increased Met and Arg supply on mRNA abundance of genes associated with innate immune response, antioxidant function, and AA metabolism during iE-DAP challenge in bovine mammary epithelial cells (BMEC). Primary BMEC (n = 4 per treatment) were precultured in modified medium for 12 h with the following AA formulations: ideal profile of AA (control), increased Met supply (incMet), increased Arg supply (incArg), or increased supply of Met plus Arg (incMetArg). Subsequently, cells were challenged with or without iE-DAP (10 μg/mL) for 6 h. Data were analyzed as a 2 × 2 × 2 factorial using the MIXED procedure of SAS 9.4. Greater mRNA abundance of NOD1, the antioxidant enzyme SOD1, and AA transporters (SLC7A1 and SLC3A2) was observed in the incMet cells after iE-DAP stimulation. Although increased Met alone had no effect, incMetArg led to greater abundance of the inflammatory cytokine IL-6, and the antioxidant enzyme GPX1 after iE-DAP stimulation. The increased Arg alone downregulated NOD1 after iE-DAP stimulation, coupled with a downregulation in the AA transporters mRNA abundance (SLC7A1, SLC7A5, SLC3A2, and SLC38A9), and upregulation in GSS and KEAP1 mRNA abundance. Overall, the data indicated that increased supply of both Met and Arg in the culture medium were more effective in modulating the innate immune response and antioxidant capacity of BMEC during in vitro iE-DAP stimulation.
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Affiliation(s)
- H Dai
- College of Veterinary Medicine, Henan Agricultural University, Zhengzhou 450046, P. R. China; Department of Animal Sciences and Division of Nutritional Sciences, University of Illinois, Urbana 61801
| | - D N Coleman
- Department of Animal Sciences and Division of Nutritional Sciences, University of Illinois, Urbana 61801
| | - M G Lopes
- Department of Animal Sciences and Division of Nutritional Sciences, University of Illinois, Urbana 61801
| | - L Hu
- Department of Animal Sciences and Division of Nutritional Sciences, University of Illinois, Urbana 61801; College of Animal Science and Technology, Yangzhou University, Yangzhou 225009, P. R. China
| | - I Martinez-Cortés
- Department of Animal Sciences and Division of Nutritional Sciences, University of Illinois, Urbana 61801; Agricultural and Animal Production Department, UAM-Xochimilco, Mexico City, Mexico 04960
| | - C Parys
- Evonik Nutrition & Care GmbH, Hanau-Wolfgang, 63457, Germany
| | - X Shen
- College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, P. R. China
| | - J J Loor
- Department of Animal Sciences and Division of Nutritional Sciences, University of Illinois, Urbana 61801.
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21
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Chronic Kidney Disease as Oxidative Stress- and Inflammatory-Mediated Cardiovascular Disease. Antioxidants (Basel) 2020; 9:antiox9080752. [PMID: 32823917 PMCID: PMC7463588 DOI: 10.3390/antiox9080752] [Citation(s) in RCA: 121] [Impact Index Per Article: 30.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2020] [Revised: 08/08/2020] [Accepted: 08/10/2020] [Indexed: 12/12/2022] Open
Abstract
Generating reactive oxygen species (ROS) is necessary for both physiology and pathology. An imbalance between endogenous oxidants and antioxidants causes oxidative stress, contributing to vascular dysfunction. The ROS-induced activation of transcription factors and proinflammatory genes increases inflammation. This phenomenon is of crucial importance in patients with chronic kidney disease (CKD), because atherosclerosis is one of the critical factors of their cardiovascular disease (CVD) and increased mortality. The effect of ROS disrupts the excretory function of each section of the nephron. It prevents the maintenance of intra-systemic homeostasis and leads to the accumulation of metabolic products. Renal regulatory mechanisms, such as tubular glomerular feedback, myogenic reflex in the supplying arteriole, and the renin–angiotensin–aldosterone system, are also affected. It makes it impossible for the kidney to compensate for water–electrolyte and acid–base disturbances, which progress further in the mechanism of positive feedback, leading to a further intensification of oxidative stress. As a result, the progression of CKD is observed, with a spectrum of complications such as malnutrition, calcium phosphate abnormalities, atherosclerosis, and anemia. This review aimed to show the role of oxidative stress and inflammation in renal impairment, with a particular emphasis on its influence on the most common disturbances that accompany CKD.
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22
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Matar O, Potier L, Abouleka Y, Hallot-Feron M, Fumeron F, Mohammedi K, Hadjadj S, Roussel R, Velho G, Marre M. Relationship between renal capacity to reabsorb glucose and renal status in patients with diabetes. DIABETES & METABOLISM 2020; 46:488-495. [PMID: 32259661 DOI: 10.1016/j.diabet.2020.03.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/09/2019] [Revised: 03/04/2020] [Accepted: 03/19/2020] [Indexed: 10/24/2022]
Abstract
AIMS Interindividual variability in capacity to reabsorb glucose at the proximal renal tubule could contribute to risk of diabetic kidney disease. Our present study investigated, in patients with diabetes, the association between fractional reabsorption of glucose (FRGLU) and degree of renal disease as assessed by urinary albumin excretion (UAE) and estimated glomerular filtration rate (eGFR). METHODS FRGLU [1-(glucose clearance/creatinine clearance)] was assessed in 637 diabetes patients attending our tertiary referral centre, looking for correlations between FRGLU and UAE (normo-, micro-, macro-albuminuria) and Kidney Disease: Improving Global Outcomes (KDIGO) eGFR categories: >90 (G1); 90-60 (G2); 59-30 (G3); and<30-16 (G4) mL/min/1.73 m2. Patients were stratified by admission fasting plasma glucose (FPG) into three groups: low (<6mmol/L); intermediate (6-11mmol/L); and high (>11mmol/L). RESULTS Median (interquartile range, IQR) FRGLU levels were blood glucose-dependent: 99.90% (0.05) for low (n=106); 99.90% (0.41) for intermediate (n=288); and 96.36% (12.57) for high (n=243) blood glucose categories (P<0.0001). Also, FRGLU increased with renal disease severity in patients in the high FPG group: normoalbuminuria, 93.50% (17.74) (n=135); microalbuminuria, 96.56% (5.94) (n=77); macroalbuminuria, 99.12% (5.44) (n=31; P<0.001); eGFR G1, 94.13% (16.24) (n=111); G2, 96.35% (11.94) (n=72); G3 98.88% (7.59) (n=46); and G4, 99.11% (2.20) (n=14; P<0.01). On multiple regression analyses, FRGLU remained significantly and independently associated with UAE and eGFR in patients in the high blood glucose group. CONCLUSION High glucose reabsorption capacity in renal proximal tubules is associated with high UAE and low eGFR in patients with diabetes and blood glucose levels>11mmol/L.
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Affiliation(s)
- O Matar
- Service de diabétologie, endocrinologie et nutrition, hôpital Bichat, Assistance publique-hôpitaux de Paris, Paris, France; UFR de médecine, université de Paris, Paris, France; Inserm, Centre de recherches des Cordeliers, Sorbonne université, université de Paris, Paris, France
| | - L Potier
- Service de diabétologie, endocrinologie et nutrition, hôpital Bichat, Assistance publique-hôpitaux de Paris, Paris, France; UFR de médecine, université de Paris, Paris, France; Inserm, Centre de recherches des Cordeliers, Sorbonne université, université de Paris, Paris, France
| | - Y Abouleka
- Service de diabétologie, endocrinologie et nutrition, hôpital Bichat, Assistance publique-hôpitaux de Paris, Paris, France; UFR de médecine, université de Paris, Paris, France; Inserm, Centre de recherches des Cordeliers, Sorbonne université, université de Paris, Paris, France
| | - M Hallot-Feron
- Service de diabétologie, endocrinologie et nutrition, hôpital Bichat, Assistance publique-hôpitaux de Paris, Paris, France; UFR de médecine, université de Paris, Paris, France
| | - F Fumeron
- UFR de médecine, université de Paris, Paris, France; Inserm, Centre de recherches des Cordeliers, Sorbonne université, université de Paris, Paris, France
| | - K Mohammedi
- Faculté de médecine Paul-Broca, université de Bordeaux, Bordeaux, France
| | - S Hadjadj
- Inserm, CNRS, Institut du thorax, université de Nantes, Nantes, France
| | - R Roussel
- Service de diabétologie, endocrinologie et nutrition, hôpital Bichat, Assistance publique-hôpitaux de Paris, Paris, France; UFR de médecine, université de Paris, Paris, France; Inserm, Centre de recherches des Cordeliers, Sorbonne université, université de Paris, Paris, France
| | - G Velho
- Inserm, Centre de recherches des Cordeliers, Sorbonne université, université de Paris, Paris, France
| | - M Marre
- Service de diabétologie, endocrinologie et nutrition, hôpital Bichat, Assistance publique-hôpitaux de Paris, Paris, France; UFR de médecine, université de Paris, Paris, France; Inserm, Centre de recherches des Cordeliers, Sorbonne université, université de Paris, Paris, France; CMC Ambroise-Paré, Neuilly-sur-Seine, France.
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23
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Marre M. Importance of intensive blood pressure control in type 2 diabetes: Mechanisms, treatments and current guidelines. Diabetes Obes Metab 2020; 22 Suppl 2:33-42. [PMID: 32250521 DOI: 10.1111/dom.13975] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/04/2019] [Revised: 01/20/2020] [Accepted: 01/21/2020] [Indexed: 02/06/2023]
Abstract
Observational and interventional studies have shown that intensified blood pressure (BP) reduction can benefit people with diabetes. Because of their special haemodynamic properties, renin-angiotensin-aldosterone system (RAAS) blockers are recommended. The results of the BP arm of the ADVANCE study strongly support the recently updated European Society of Cardiology/European Association of Diabetes recommendations for the treatment of BP in people with diabetes, which recommend a target systolic/diastolic BP of 130/80 mmHg with few exceptions, and a fixed combination of an RAAS blocker with a diuretic or a calcium channel blocker as first-line treatment.
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Affiliation(s)
- Michel Marre
- INSERM U1138, Centre de Recherches des Cordeliers, Paris, France
- Sorbonne Paris Cité, UFR de Médecine, Université Paris Diderot, Paris, France
- Diabetes Clinic, Centre Médico-Chirurgical Ambroise Paré, Neuilly-sur-Seine, France
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24
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Cosín-Tomàs M, Senserrich J, Arumí-Planas M, Alquézar C, Pallàs M, Martín-Requero Á, Suñol C, Kaliman P, Sanfeliu C. Role of Resveratrol and Selenium on Oxidative Stress and Expression of Antioxidant and Anti-Aging Genes in Immortalized Lymphocytes from Alzheimer's Disease Patients. Nutrients 2019; 11:E1764. [PMID: 31370365 PMCID: PMC6723840 DOI: 10.3390/nu11081764] [Citation(s) in RCA: 59] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2019] [Revised: 07/24/2019] [Accepted: 07/28/2019] [Indexed: 12/29/2022] Open
Abstract
Oxidative damage is involved in the pathophysiology of age-related ailments, including Alzheimer's disease (AD). Studies have shown that the brain tissue and also lymphocytes from AD patients present increased oxidative stress compared to healthy controls (HCs). Here, we use lymphoblastoid cell lines (LCLs) from AD patients and HCs to investigate the role of resveratrol (RV) and selenium (Se) in the reduction of reactive oxygen species (ROS) generated after an oxidative injury. We also studied whether these compounds elicited expression changes in genes involved in the antioxidant cell response and other aging-related mechanisms. AD LCLs showed higher ROS levels than those from HCs in response to H2O2 and FeSO4 oxidative insults. RV triggered a protective response against ROS under control and oxidizing conditions, whereas Se exerted antioxidant effects only in AD LCLs under oxidizing conditions. RV increased the expression of genes encoding known antioxidants (catalase, copper chaperone for superoxide dismutase 1, glutathione S-transferase zeta 1) and anti-aging factors (sirtuin 1 and sirtuin 3) in both AD and HC LCLs. Our findings support RV as a candidate for inducing resilience and protection against AD, and reinforce the value of LCLs as a feasible peripheral cell model for understanding the protective mechanisms of nutraceuticals against oxidative stress in aging and AD.
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Affiliation(s)
- Marta Cosín-Tomàs
- Institut d'Investigacions Biomèdiques de Barcelona (IIBB), Consejo Superior de Investigaciones Científicas (CSIC), 08036 Barcelona, Spain
- Department of Human Genetics, Research Institute of the McGill University Health Centre, Montreal, QC H3A 0C7, Canada
| | - Júlia Senserrich
- Institut d'Investigacions Biomèdiques de Barcelona (IIBB), Consejo Superior de Investigaciones Científicas (CSIC), 08036 Barcelona, Spain
| | - Marta Arumí-Planas
- Institut d'Investigacions Biomèdiques de Barcelona (IIBB), Consejo Superior de Investigaciones Científicas (CSIC), 08036 Barcelona, Spain
| | - Carolina Alquézar
- Department of Molecular Biomedicine, Centro de Investigaciones Biológicas, CSIC, 28040 Madrid, Spain
| | - Mercè Pallàs
- Faculty of Pharmacy and Food Sciences, Institut de Neurociències, Universitat de Barcelona, 08028 Barcelona, Spain
- CIBER de Enfermedades Neurodegenerativas (CIBERNED), Instituto de Salud Carlos III, 28031 Madrid, Spain
| | - Ángeles Martín-Requero
- Department of Molecular Biomedicine, Centro de Investigaciones Biológicas, CSIC, 28040 Madrid, Spain
- CIBER de Enfermedades Neurodegenerativas (CIBERNED), Instituto de Salud Carlos III, 28031 Madrid, Spain
| | - Cristina Suñol
- Institut d'Investigacions Biomèdiques de Barcelona (IIBB), Consejo Superior de Investigaciones Científicas (CSIC), 08036 Barcelona, Spain
- CIBER de Epidemiología y Salud Pública (CIBERESP), Instituto de Salud Carlos III, 28031 Madrid, Spain
- Institut d'Investigació Biomèdica August Pi i Sunyer (IDIBAPS), 08036 Barcelona, Spain
| | - Perla Kaliman
- Institut d'Investigacions Biomèdiques de Barcelona (IIBB), Consejo Superior de Investigaciones Científicas (CSIC), 08036 Barcelona, Spain
- Faculty of Health Sciences, Universitat Oberta de Catalunya, 08018 Barcelona, Spain
| | - Coral Sanfeliu
- Institut d'Investigacions Biomèdiques de Barcelona (IIBB), Consejo Superior de Investigaciones Científicas (CSIC), 08036 Barcelona, Spain.
- CIBER de Epidemiología y Salud Pública (CIBERESP), Instituto de Salud Carlos III, 28031 Madrid, Spain.
- Institut d'Investigació Biomèdica August Pi i Sunyer (IDIBAPS), 08036 Barcelona, Spain.
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25
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Jerotic D, Matic M, Suvakov S, Vucicevic K, Damjanovic T, Savic-Radojevic A, Pljesa-Ercegovac M, Coric V, Stefanovic A, Ivanisevic J, Jelic-Ivanovic Z, McClements L, Dimkovic N, Simic T. Association of Nrf2, SOD2 and GPX1 Polymorphisms with Biomarkers of Oxidative Distress and Survival in End-Stage Renal Disease Patients. Toxins (Basel) 2019; 11:toxins11070431. [PMID: 31340563 PMCID: PMC6669734 DOI: 10.3390/toxins11070431] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2019] [Revised: 07/15/2019] [Accepted: 07/18/2019] [Indexed: 12/30/2022] Open
Abstract
The oxidative stress response via Nuclear factor (erythroid-derived 2)-like 2 (Nrf2) interlinks inflammation- and metabolism-related pathways in chronic kidney disease. We assessed the association between polymorphisms in Nrf2, superoxide dismutase (SOD2), glutathione peroxidase (GPX1), and the risk of end-stage renal disease (ESRD). The modifying effect of these polymorphisms on both oxidative phenotype and ESRD prognosis, both independently and/or in combination with the glutathione S-transferase M1 (GSTM1) deletion polymorphism, was further analyzed. Polymorphisms in Nrf2 (rs6721961), SOD2 (rs4880), GPX1 (rs1050450), and GSTM1 were determined by PCR in 256 ESRD patients undergoing hemodialysis and 374 controls. Byproducts of oxidative stress were analyzed spectrophotometically or by ELISA. Time-to-event modeling was performed to evaluate overall survival and cardiovascular survival. The SOD2 Val/Val genotype increased ESRD risk (OR = 2.01, p = 0.002), which was even higher in combination with the GPX1 Leu/Leu genotype (OR = 3.27, p = 0.019). Polymorphism in SOD2 also showed an effect on oxidative phenotypes. Overall survival in ESRD patients was dependent on a combination of the Nrf2 (C/C) and GPX1 (Leu/Leu) genotypes in addition to a patients’ age and GSTM1 polymorphism. Similarly, the GPX1 (Leu/Leu) genotype contributed to longer cardiovascular survival. Conclusions: Our results show that SOD2, GPX1, and Nrf2 polymorphisms are associated with ESRD development and can predict survival.
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Affiliation(s)
- Djurdja Jerotic
- Institute of Medical and Clinical Biochemistry, Faculty of Medicine, University of Belgrade, 11000 Belgrade, Serbia
- Faculty of Medicine, University of Belgrade, 11000 Belgrade, Serbia
| | - Marija Matic
- Institute of Medical and Clinical Biochemistry, Faculty of Medicine, University of Belgrade, 11000 Belgrade, Serbia
- Faculty of Medicine, University of Belgrade, 11000 Belgrade, Serbia
| | - Sonja Suvakov
- Institute of Medical and Clinical Biochemistry, Faculty of Medicine, University of Belgrade, 11000 Belgrade, Serbia
- Faculty of Medicine, University of Belgrade, 11000 Belgrade, Serbia
| | - Katarina Vucicevic
- Department of Pharmacokinetics and Clinical Pharmacy, Faculty of Pharmacy, University of Belgrade, 11000 Belgrade, Serbia
| | - Tatjana Damjanovic
- Clinical Department for Renal Diseases, Zvezdara University Medical Center, 11000 Belgrade, Serbia
| | - Ana Savic-Radojevic
- Institute of Medical and Clinical Biochemistry, Faculty of Medicine, University of Belgrade, 11000 Belgrade, Serbia
- Faculty of Medicine, University of Belgrade, 11000 Belgrade, Serbia
| | - Marija Pljesa-Ercegovac
- Institute of Medical and Clinical Biochemistry, Faculty of Medicine, University of Belgrade, 11000 Belgrade, Serbia
- Faculty of Medicine, University of Belgrade, 11000 Belgrade, Serbia
| | - Vesna Coric
- Institute of Medical and Clinical Biochemistry, Faculty of Medicine, University of Belgrade, 11000 Belgrade, Serbia
- Faculty of Medicine, University of Belgrade, 11000 Belgrade, Serbia
| | - Aleksandra Stefanovic
- Department of Medical Biochemistry, Faculty of Pharmacy, University of Belgrade, 11000 Belgrade, Serbia
| | - Jasmina Ivanisevic
- Department of Medical Biochemistry, Faculty of Pharmacy, University of Belgrade, 11000 Belgrade, Serbia
| | - Zorana Jelic-Ivanovic
- Department of Medical Biochemistry, Faculty of Pharmacy, University of Belgrade, 11000 Belgrade, Serbia
| | - Lana McClements
- School of Life Sciences, Faculty of Science, University of Technology Sydney, NSW 2007 Sidney, Australia
| | - Nada Dimkovic
- Faculty of Medicine, University of Belgrade, 11000 Belgrade, Serbia
- Clinical Department for Renal Diseases, Zvezdara University Medical Center, 11000 Belgrade, Serbia
| | - Tatjana Simic
- Institute of Medical and Clinical Biochemistry, Faculty of Medicine, University of Belgrade, 11000 Belgrade, Serbia.
- Faculty of Medicine, University of Belgrade, 11000 Belgrade, Serbia.
- Serbian Academy of Sciences and Arts, 11000 Belgrade, Serbia.
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26
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Huang JQ, Zhou JC, Wu YY, Ren FZ, Lei XG. Role of glutathione peroxidase 1 in glucose and lipid metabolism-related diseases. Free Radic Biol Med 2018; 127:108-115. [PMID: 29800654 PMCID: PMC6168395 DOI: 10.1016/j.freeradbiomed.2018.05.077] [Citation(s) in RCA: 65] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/25/2018] [Revised: 05/20/2018] [Accepted: 05/21/2018] [Indexed: 01/14/2023]
Abstract
Glutathione peroxidase 1 (GPX1) is a selenium-dependent enzyme that reduces intracellular hydrogen peroxide and lipid peroxides. While past research explored regulations of gene expression and biochemical function of this selenoperoxidase, GPX1 has recently been implicated in the onset and development of chronic diseases. Clinical data have shown associations of human GPX1 gene variants with elevated risks of diabetes. Knockout and overexpression of Gpx1 in mice may induce types 1 and 2 diabetes-like phenotypes, respectively. This review assembles the latest advances in this new field of selenium biology, and attempts to postulate signal and molecular mechanisms mediating the role of GPX1 in glucose and lipid metabolism-related diseases. Potential therapies by harnessing the beneficial effects of this ubiquitous redox-modulating enzyme are briefly discussed.
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Affiliation(s)
- Jia-Qiang Huang
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, China Agricultural University, Beijing 100083, China; Key Laboratory of Functional Dairy, Co-constructed by Ministry of Education and Beijing Government, China Agricultural University, China
| | - Ji-Chang Zhou
- School of Public Health (Shenzhen), Sun Yat-Sen University, Shenzhen 518100, China; Molecular Biology Laboratory, Shenzhen Center for Chronic Disease Control, Shenzhen 518020, China
| | - Yuan-Yuan Wu
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, China Agricultural University, Beijing 100083, China
| | - Fa-Zheng Ren
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, China Agricultural University, Beijing 100083, China; Key Laboratory of Functional Dairy, Co-constructed by Ministry of Education and Beijing Government, China Agricultural University, China
| | - Xin Gen Lei
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, China Agricultural University, Beijing 100083, China; Department of Animal Science, Cornell University, Ithaca, NY 14853, USA.
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27
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Yang X, Xu W, Huang K, Zhang B, Wang H, Zhang X, Gong L, Luo Y, He X. Precision toxicology shows that troxerutin alleviates ochratoxin A-induced renal lipotoxicity. FASEB J 2018; 33:2212-2227. [PMID: 30247986 DOI: 10.1096/fj.201800742r] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Lipotoxicity is the most common cause of severe kidney disease, with few treatment options available today. Precision toxicology can improve detection of subtle intracellular changes in response to exogenous substrates; thus, it facilitates in-depth research on bioactive molecules that may interfere with the onset of certain diseases. In the current study, troxerutin significantly relieved nephrotoxicity, increased endurance, and improved systemic energy metabolism and renal inflammation in OTA-induced nephrotic mice. Lipidomics showed that troxerutin effectively reduced the levels of triglycerides, phosphatidylcholines, and phosphatidylethanolamines in nephropathy. The mechanism was partly attributable to troxerutin in alleviating the aberrantly up-regulated expression of sphingomyelinase, the cystic fibrosis transmembrane conductance regulator, and chloride channel 2. Renal tubular epithelial cells, the main site of toxin-induced accumulation of lipids in the kidney, were subjected to transcriptomic profiling, which uncovered several metabolic factors relevant to aberrant lipid and lipoprotein metabolism. Our work provides new insights into the molecular features of toxin-induced lipotoxicity in renal tubular epithelial cells in vivo and demonstrates the function of troxerutin in alleviating OTA-induced nephrosis and associated systemic energy metabolism disorders.-Yang, X., Xu, W., Huang, K., Zhang, B., Wang, H., Zhang, X., Gong, L., Luo, Y., He, X. Precision toxicology shows that troxerutin alleviates ochratoxin A-induced renal lipotoxicity.
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Affiliation(s)
- Xuan Yang
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing, China
| | - Wentao Xu
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing, China.,Beijing Laboratory for Food Quality and Safety, Beijing, China
| | - Kunlun Huang
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing, China.,Beijing Laboratory for Food Quality and Safety, Beijing, China
| | - Boyang Zhang
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing, China
| | - Haomiao Wang
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing, China
| | - Xueqin Zhang
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing, China
| | - Lijing Gong
- China Academy of Sport and Health Sciences, Beijing Sport University, Beijing, China
| | - Yunbo Luo
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing, China.,Key Laboratory of Safety Assessment of Genetically Modified Organism-Food Safety, Ministry of Agriculture, China
| | - Xiaoyun He
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing, China.,Key Laboratory of Safety Assessment of Genetically Modified Organism-Food Safety, Ministry of Agriculture, China
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Pickering RJ, Rosado CJ, Sharma A, Buksh S, Tate M, de Haan JB. Recent novel approaches to limit oxidative stress and inflammation in diabetic complications. Clin Transl Immunology 2018; 7:e1016. [PMID: 29713471 PMCID: PMC5905388 DOI: 10.1002/cti2.1016] [Citation(s) in RCA: 103] [Impact Index Per Article: 17.2] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2017] [Revised: 03/16/2018] [Accepted: 03/20/2018] [Indexed: 12/25/2022] Open
Abstract
Diabetes is considered a major burden on the healthcare system of Western and non‐Western societies with the disease reaching epidemic proportions globally. Diabetic patients are highly susceptible to developing micro‐ and macrovascular complications, which contribute significantly to morbidity and mortality rates. Over the past decade, a plethora of research has demonstrated that oxidative stress and inflammation are intricately linked and significant drivers of these diabetic complications. Thus, the focus now has been towards specific mechanism‐based strategies that can target both oxidative stress and inflammatory pathways to improve the outcome of disease burden. This review will focus on the mechanisms that drive these diabetic complications and the feasibility of emerging new therapies to combat oxidative stress and inflammation in the diabetic milieu.
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Affiliation(s)
- Raelene J Pickering
- Department of Diabetes Central Clinical School Monash University Melbourne VIC Australia
| | - Carlos J Rosado
- Department of Diabetes Central Clinical School Monash University Melbourne VIC Australia
| | - Arpeeta Sharma
- Oxidative Stress Laboratory Basic Science Domain Baker Heart and Diabetes Institute Melbourne VIC Australia
| | - Shareefa Buksh
- Oxidative Stress Laboratory Basic Science Domain Baker Heart and Diabetes Institute Melbourne VIC Australia
| | - Mitchel Tate
- Heart Failure Pharmacology Basic Science Domain Baker Heart and Diabetes Institute Melbourne VIC Australia
| | - Judy B de Haan
- Oxidative Stress Laboratory Basic Science Domain Baker Heart and Diabetes Institute Melbourne VIC Australia
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Yao Y, Zhao X, Xin J, Wu Y, Li H. Coumarins improved type 2 diabetes induced by high-fat diet and streptozotocin in mice via antioxidation. Can J Physiol Pharmacol 2018; 96:765-771. [PMID: 29641229 DOI: 10.1139/cjpp-2017-0612] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
Coumarins extensively exist in plants and are utilized against diabetes in some folk medicines. Recent studies have demonstrated that oxidative stress plays a crucial role in the etiology and pathogenesis of diabetes mellitus. We investigated the antioxidant ability of 3 coumarins (osthole, esculin, and fraxetin) in type 2 diabetes. After being fed a high-fat diet, ICR mice were exposed to low doses of streptozotocin and then treated with experimental coumarins for 5 weeks. We found osthole, esculin, and metformin significantly lowered fasting blood glucose, HOMA-IR, and 3 blood lipids (total cholesterol, total triglyceride, free fatty acids), and increased insulin levels, while fraxetin only enhanced insulin levels and lessened free fatty acids. Both osthole and esculin had antioxidative effects in pancreas through elevating the activities of glutathione peroxidase, catalase, and superoxide dismutase; fraxetin, however, merely heightened catalase activity. By contrast, 3 coumarins significantly increased those antioxidase activities in liver. Hematoxylin and eosin staining revealed 3 coumarins, especially osthole, attenuated cellular derangement, blurry fringes of hepatic sinusoid and extensive vacuolization due to hepatocellular lipid accumulation, and lessened inflammatory infiltration in pancreas. The glomerular and islet structure of diabetic mice were improved, with reduced mesangial matrix and glomerular basement membrane thickening. Therefore, our study supports that coumarins could be promising candidates against type 2 diabetes through antioxidative mechanisms.
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Affiliation(s)
- Yuanfa Yao
- a Institute of Pharmacology, Zhejiang University of Technology, Hangzhou 310014, China.,b College of Biomedical Engineering & Instrument Science, Zhejiang University, Hangzhou 310027, China
| | - Xuqin Zhao
- a Institute of Pharmacology, Zhejiang University of Technology, Hangzhou 310014, China
| | - Jinxia Xin
- a Institute of Pharmacology, Zhejiang University of Technology, Hangzhou 310014, China
| | - Yingqi Wu
- a Institute of Pharmacology, Zhejiang University of Technology, Hangzhou 310014, China
| | - Hanbing Li
- a Institute of Pharmacology, Zhejiang University of Technology, Hangzhou 310014, China.,c Section of Endocrinology, School of Medicine, Yale University, New Haven, CT 06520, USA
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30
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Chao CT, Huang JW, Chiang CK, Chen YC, Fang CC, Hu FC, Chang CC, Yen CJ. Diabetes mellitus, superoxide dismutase and peroxisome proliferator activated receptor gamma polymorphisms modify the outcome of end-stage renal disease patients of Han Chinese origin. Nephrology (Carlton) 2018; 23:117-125. [PMID: 27925431 DOI: 10.1111/nep.12975] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2016] [Revised: 11/15/2016] [Accepted: 11/29/2016] [Indexed: 12/14/2022]
Abstract
AIM Increased oxidative stress significantly modifies the outcome of patients with diabetes mellitus (DM) and end-stage renal disease (ESRD), and is counteracted by antioxidative capacity. We aimed to investigate whether antioxidant single nucleotide polymorphisms (SNPs) influence the outcome of ESRD individuals and the influences exerted by DM, which has not been tested before. METHODS We prospectively enrolled multi-centre ESRD patients of Han Chinese origin between 2002 and 2003, recording their antioxidant (superoxide dismutase [SOD2], glutathione peroxidase [GPX1]) and peroxisome proliferator activated receptor-γ (PPAR-γ) genotyping results, and stratified based on DM. They were followed up until 2008, with risk factors for mortality analyzed by Cox proportional hazard regression. RESULTS We discovered that diabetic ESRD carriers of CC genotype of SOD2 exon 2 had an increased risk of mortality compared to non-diabetic ones with other genotypes (hazard ratio [HR] 4.04, P = 0.04), while GPX1 SNPs had no influence. Interactions between SOD2 and PPAR-γ SNPs regarding the mortality influence were also detected (for SOD2 CC genotype x PPAR-γ exon 6 CT genotype, HR 3.19, P = 0.008), suggesting the importance of considering a combination panel of SNPs on patient survival. CONCLUSION This might be the largest study focusing on the relationship between antioxidant SNPs and the outcomes of diabetic ESRD patients of Han Chinese origin. More studies are needed to validate our findings.
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Affiliation(s)
- Chia-Ter Chao
- Department of Medicine, National Taiwan University Hospital Jinshan branch, New Taipei City, Taiwan.,Graduate Institute of Toxicology, National Taiwan University, Taipei, Taiwan.,Department of Internal Medicine, National Taiwan University Hospital, Taipei, Taiwan
| | - Jenq-Wen Huang
- Department of Internal Medicine, National Taiwan University Hospital, Taipei, Taiwan
| | - Chih-Kang Chiang
- Graduate Institute of Toxicology, National Taiwan University, Taipei, Taiwan.,Department of Integrated Diagnostics and Therapeutics, National Taiwan University Hospital, Taipei, Taiwan
| | - Yen-Ching Chen
- Institute of Epidemiology and Preventive Medicine, College of Public Health, National Taiwan University, Taipei, Taiwan
| | - Cheng-Chung Fang
- Department of Emergency Medicine, National Taiwan University Hospital, Taipei, Taiwan
| | - Fu-Chang Hu
- Institute of Clinical Medicine, National Taiwan University, Taipei, Taiwan
| | - Chen-Chih Chang
- Department of Internal Medicine, National Taiwan University Hospital, Taipei, Taiwan
| | - Chung-Jen Yen
- Department of Internal Medicine, National Taiwan University Hospital, Taipei, Taiwan.,Department of Geriatric Medicine and Gerontology, National Taiwan University Hospital, Taipei, Taiwan
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31
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Ren XD, Zhang YW, Wang XP, Li YR. Effects of Dangguibuxue decoction on rat glomerular mesangial cells cultured under high glucose conditions. Altern Ther Health Med 2017; 17:283. [PMID: 28545434 PMCID: PMC5445487 DOI: 10.1186/s12906-017-1774-4] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2016] [Accepted: 05/08/2017] [Indexed: 12/13/2022]
Abstract
Background Dysfunction of glomerular mesangial cells (GMCs) plays an important role in pathogenesis of diabetic nephropathy. Here, we investigated the effects of Dangguibuxue decoction (DBD), an herbal traditional Chinese medicinal (TCM) formula composed of Astragali Radix and Angelicae Sinensis Radix, on GMC proliferation and fibrogenesis under high-glucose (HG) conditions. Methods Sixty male Sprague Dawley rats were divided into 5 groups and administered intragastric 0.9% saline, low concentration DBD (DBD-L, 1.75 g/kg/d), middle concentration DBD (DBD-M, 3.5 g/kg/d), high concentration DBD (DBD-H, 7.0 g/kg/d) and gliclazide (GL, 2 mg/kg/d), respectively, for 1 week, and then their sera were obtained. Rat mesangial cells (HBZY-1 cells) were treated with these sera under HG condition (30 mmol/L). Results The proliferation of GMCs under HG conditions was significantly greater than that under normal glucose condition. Low concentration DBD (DBD-L) inhibited proliferation of GMCs after 72-h incubation (P < 0.01), while high concentration DBD (DBD-H) inhibited GMCs proliferation at 24, 48 and 72 time points (P < 0.01). There was no significant difference between the inhibitory effect of DBD-H and GL sera on GMC proliferation (P > 0.05). Furthermore, all concentrations of DBD (DBD-L, DBD-M and DBD-H) significantly decreased the protein expression of α-SMA(α-smooth muscle actin) (P < 0.01), an indicator of interstitial fibrosis of GMCs. Finally, DBD-L, DBD-M, DBD-H sera obviously inhibited the increase of HYP (hydroxyproline)secretion under HG condition (P < 0.01). Conclusion Our results demonstrate an inhibitory effect of DBD extract on proliferation and fibrogenesis of GMCs under HG conditions. The potential role of DBD in the treatment of diabetic neuropathy merits further investigation.
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32
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Choi MS, Jeong MJ, Park YB, Kim SR, Jung UJ. The Leaf of Diospyros kaki Thumb Ameliorates Renal Oxidative Damage in Mice with Type 2 Diabetes. Prev Nutr Food Sci 2016; 21:378-383. [PMID: 28078262 PMCID: PMC5216891 DOI: 10.3746/pnf.2016.21.4.378] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2016] [Accepted: 12/06/2016] [Indexed: 01/10/2023] Open
Abstract
Diabetic kidney disease is the most common and severe chronic complication of diabetes. The leaf of Diospyros kaki Thumb (persimmon) has been commonly used for herbal tea and medicinal purposes to treat a variety of conditions, including hypertension and atherosclerosis. However, the effect of persimmon leaf on kidney failure has not been investigated. This study aimed to examine the role of persimmon leaf in protecting the diabetes-associated kidney damage in a mouse model of type 2 diabetes. Mice were fed either a normal chow diet with or without powered persimmon leaf (5%, w/w) for 5 weeks. In addition to kidney morphology and blood markers of kidney function, we assessed levels of oxidative stress markers as well as antioxidant enzymes activities and mRNA expression in the kidney. Supplementation of the diet with powered persimmon leaf not only decreased the concentration of blood urea nitrogen in the plasma but also improved glomerular hypertrophy. Furthermore, the persimmon leaf significantly decreased the levels of hydrogen peroxide and lipid peroxide in the kidney. The activities of superoxide dismutase, catalase, and glutathione peroxidase and the mRNA expression of their respective genes were also increased in the kidney of persimmon leaf-supplemented db/db mice. Taken together, these results suggest that supplementation with the persimmon leaf may have protective effects against type 2 diabetes-induced kidney dysfunction and oxidative stress.
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Affiliation(s)
- Myung-Sook Choi
- Department of Food Science and Nutrition, Kyungpook National University, Daegu 41566, Korea
| | - Mi Ji Jeong
- Department of Food Science and Nutrition, Pukyong National University, Busan 48513, Korea
| | - Yong Bok Park
- School of Life Sciences and Biotechnology, Kyungpook National University, Daegu 41566, Korea
| | - Sang Ryong Kim
- School of Life Sciences and Biotechnology, Kyungpook National University, Daegu 41566, Korea
| | - Un Ju Jung
- Department of Food Science and Nutrition, Pukyong National University, Busan 48513, Korea
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33
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Zhang X, Xing S, Li M, Zhang L, Xie L, He W, Liu J, Chang S, Jiang F, Zhou P. Beyond knockout: A novel homodimerization-targeting MyD88 inhibitor prevents and cures type 1 diabetes in NOD mice. Metabolism 2016; 65:1267-77. [PMID: 27506734 DOI: 10.1016/j.metabol.2016.05.005] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/28/2015] [Revised: 04/09/2016] [Accepted: 05/06/2016] [Indexed: 02/08/2023]
Abstract
INTRODUCTION AND AIMS Studies have reported that myeloid differentiation factor 88 (MyD88) plays an important role in the development of type 1 diabetes (T1D). The aim of this study was to determine the effects of the self-created MyD88 inhibitor, TJ-M2010-6, in preventing and treating T1D. METHODS Molecule docking and co-immunoprecipitation were used to determine the suppressing capability of TJ-M2010-6 on the homodimerization of MyD88. The preventive and therapeutic effects of TJ-M2010-6 were tested in NOD mice. RESULTS TJ-M2010-6 interacted with amino acid residues of the MyD88 TIR domain and inhibited MyD88 homodimerization. Continuous administration of TJ-M2010-6 significantly reduced the onset of diabetes during the observation period in NOD mice (36.4% vs. 80%, P<0.01). Although the immediate TJ-M2010-6 treatment group showed a retardation in the rise of their blood glucose level, the delayed treatment group did not show this effect. Mechanism studies have shown that TJ-M2010-6 treatment significantly inhibits insulitis in vivo. In vitro, TJ-M2010-6 inhibited the maturation of DCs, leading to the suppression of T cell activation and inflammatory cytokine secretion. CONCLUSIONS These results demonstrated that the strategy targeted at the innate immune system using the MyD88 inhibitor had a profound significance in preventing and treating T1D.
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Affiliation(s)
- Xue Zhang
- Institute of Organ Transplantation, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China, Key Laboratory of Organ Transplantation, Ministry of Health, and Key Laboratory of Organ Transplantation, Ministry of Education
| | - Shuai Xing
- Institute of Organ Transplantation, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China, Key Laboratory of Organ Transplantation, Ministry of Health, and Key Laboratory of Organ Transplantation, Ministry of Education; Department of Gastroenterology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Mingqiang Li
- Institute of Organ Transplantation, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China, Key Laboratory of Organ Transplantation, Ministry of Health, and Key Laboratory of Organ Transplantation, Ministry of Education; Department of surgery, Taian City Central Hospital, Taian, 271000, China
| | - Limin Zhang
- Institute of Organ Transplantation, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China, Key Laboratory of Organ Transplantation, Ministry of Health, and Key Laboratory of Organ Transplantation, Ministry of Education
| | - Lin Xie
- Institute of Organ Transplantation, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China, Key Laboratory of Organ Transplantation, Ministry of Health, and Key Laboratory of Organ Transplantation, Ministry of Education
| | - Wentao He
- Department of Endocrinology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Jianhua Liu
- Institute of Organ Transplantation, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China, Key Laboratory of Organ Transplantation, Ministry of Health, and Key Laboratory of Organ Transplantation, Ministry of Education
| | - Sheng Chang
- Institute of Organ Transplantation, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China, Key Laboratory of Organ Transplantation, Ministry of Health, and Key Laboratory of Organ Transplantation, Ministry of Education
| | - Fengchao Jiang
- Academy of Pharmacology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Ping Zhou
- Institute of Organ Transplantation, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China, Key Laboratory of Organ Transplantation, Ministry of Health, and Key Laboratory of Organ Transplantation, Ministry of Education.
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