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Aranda-Rivera AK, Cruz-Gregorio A, Amador-Martínez I, Medina-Campos ON, Garcia-Garcia M, Bernabe-Yepes B, León-Contreras JC, Hernández-Pando R, Aparicio-Trejo OE, Sánchez-Lozada LG, Tapia E, Pedraza-Chaverri J. Sulforaphane protects from kidney damage during the release of unilateral ureteral obstruction (RUUO) by activating nuclear factor erythroid 2-related factor 2 (Nrf2): Role of antioxidant, anti-inflammatory, and antiapoptotic mechanisms. Free Radic Biol Med 2024; 212:49-64. [PMID: 38141891 DOI: 10.1016/j.freeradbiomed.2023.12.022] [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: 11/06/2023] [Revised: 12/15/2023] [Accepted: 12/16/2023] [Indexed: 12/25/2023]
Abstract
Releasing unilateral ureteral obstruction (RUUO) is the gold standard for decreasing renal damage induced during unilateral ureteral obstruction (UUO); however, the complete recovery after RUUO depends on factors such as the time and severity of obstruction and kidney contralateral compensatory mechanisms. Interestingly, previous studies have shown that kidney damage markers such as oxidative stress, inflammation, and apoptosis are present and even increase after removal obstruction. To date, previous therapeutic strategies have been used to potentiate the recovery of renal function after RUUO; however, the mechanisms involving renal damage reduction are poorly described and sometimes focus on the recovery of renal functionality. Furthermore, using natural antioxidants has not been completely studied in the RUUO model. In this study, we selected sulforaphane (SFN) because it activates the nuclear factor erythroid 2-related factor 2 (Nrf2), a transcription factor that induces an antioxidant response, decreasing oxidative stress and inflammation, preventing apoptosis. Thus, we pre-administrated SFN on the second day after UUO until day five, where we released the obstruction on the three days after UUO. Then, we assessed oxidative stress, inflammation, and apoptosis markers. Interestingly, we found that SFN administration in the RUUO model activated Nrf2, inducing its translocation to the nucleus to activate its target proteins. Thus, the Nrf2 activation upregulated glutathione (GSH) content and the antioxidant enzymes catalase, glutathione peroxidase (GPx), and glutathione reductase (GR), which reduced the oxidative stress markers. Moreover, the improvement of antioxidant response by SFN restored S-glutathionylation in the mitochondrial fraction. Activated Nrf2 also reduced inflammation by lessening the nucleotide-binding domain-like receptor family pyrin domain containing 3 and interleukin 1β (IL-1β) production. Reducing oxidative stress and inflammation prevented apoptosis by avoiding caspase 3 cleavage and increasing B-cell lymphoma 2 (Bcl2) levels. Taken together, the obtained results in our study showed that the upregulation of Nrf2 by SFN decreases oxidative stress, preventing inflammation and apoptosis cell death during the release of UUO.
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Affiliation(s)
- Ana Karina Aranda-Rivera
- Departamento de Biología, Facultad de Química, Universidad Nacional Autónoma de México, Mexico City, 04510, Mexico; Posgrado en Ciencias Biológicas, Universidad Nacional Autónoma de México, Ciudad Universitaria, Mexico City, 04510, Mexico.
| | - Alfredo Cruz-Gregorio
- Departamento de Fisiología, Instituto Nacional de Cardiología "Ignacio Chavez", Mexico City, 14080, Mexico
| | - Isabel Amador-Martínez
- Departamento de Biología, Facultad de Química, Universidad Nacional Autónoma de México, Mexico City, 04510, Mexico; Posgrado en Ciencias Biológicas, Universidad Nacional Autónoma de México, Ciudad Universitaria, Mexico City, 04510, Mexico
| | - Omar Noel Medina-Campos
- Departamento de Biología, Facultad de Química, Universidad Nacional Autónoma de México, Mexico City, 04510, Mexico
| | - Misael Garcia-Garcia
- Departamento de Fisiopatología Cardio-Renal, Instituto Nacional de Cardiologia "Ignacio Chávez", Mexico City, 14080, Mexico
| | - Bismarck Bernabe-Yepes
- Departamento de Fisiopatología Cardio-Renal, Instituto Nacional de Cardiologia "Ignacio Chávez", Mexico City, 14080, Mexico
| | - Juan Carlos León-Contreras
- Departamento de Patología, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Mexico City, 14080, Mexico
| | - Rogelio Hernández-Pando
- Departamento de Patología, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Mexico City, 14080, Mexico
| | - Omar Emiliano Aparicio-Trejo
- Departamento de Fisiopatología Cardio-Renal, Instituto Nacional de Cardiologia "Ignacio Chávez", Mexico City, 14080, Mexico
| | - Laura Gabriela Sánchez-Lozada
- Departamento de Fisiopatología Cardio-Renal, Instituto Nacional de Cardiologia "Ignacio Chávez", Mexico City, 14080, Mexico
| | - Edilia Tapia
- Departamento de Fisiopatología Cardio-Renal, Instituto Nacional de Cardiologia "Ignacio Chávez", Mexico City, 14080, Mexico
| | - José Pedraza-Chaverri
- Departamento de Biología, Facultad de Química, Universidad Nacional Autónoma de México, Mexico City, 04510, Mexico.
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Bungau AF, Radu AF, Bungau SG, Vesa CM, Tit DM, Endres LM. Oxidative stress and metabolic syndrome in acne vulgaris: Pathogenetic connections and potential role of dietary supplements and phytochemicals. Biomed Pharmacother 2023; 164:115003. [PMID: 37315434 DOI: 10.1016/j.biopha.2023.115003] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2023] [Revised: 06/06/2023] [Accepted: 06/08/2023] [Indexed: 06/16/2023] Open
Abstract
Acne vulgaris is a highly prevalent skin condition caused by androgen-induced elevated sebum secretion, abnormal keratinization, bacterial colonization, and inflammation. Current research indicates a link between acne vulgaris and the metabolic syndrome, a group of disorders that includes obesity, insulin resistance, hypertension, and dyslipidemia. This link is thought to be modulated by excessive concentrations of oxidative stress markers and chronic inflammation, which are included in the pathophysiological mechanisms shared by both conditions. Excessive generation of reactive oxygen species damages cellular components and initiates an inflammatory response, hence promoting the development of both disorders. The current narrative review focuses on the molecular implications of inflammatory, hormonal, and environmental factors in the acne-metabolic syndrome correlation. Furthermore, it outlines the current state of knowledge related to the phyto-therapeutic approach to these conditions as an adjuvant strategy to allopathic treatment, but future multicenter and larger-scale research studies are needed establish new algorithms to be included in the future management of patients with these conditions.
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Affiliation(s)
- Alexa Florina Bungau
- Doctoral School of Biological and Biomedical Sciences, University of Oradea, 410087 Oradea, Romania
| | - Andrei Flavius Radu
- Doctoral School of Biological and Biomedical Sciences, University of Oradea, 410087 Oradea, Romania; Department of Preclinical Disciplines, Faculty of Medicine and Pharmacy, University of Oradea, 410073 Oradea, Romania.
| | - Simona Gabriela Bungau
- Doctoral School of Biological and Biomedical Sciences, University of Oradea, 410087 Oradea, Romania; Department of Pharmacy, Faculty of Medicine and Pharmacy, University of Oradea, 410028 Oradea, Romania.
| | - Cosmin Mihai Vesa
- Doctoral School of Biological and Biomedical Sciences, University of Oradea, 410087 Oradea, Romania; Department of Preclinical Disciplines, Faculty of Medicine and Pharmacy, University of Oradea, 410073 Oradea, Romania
| | - Delia Mirela Tit
- Doctoral School of Biological and Biomedical Sciences, University of Oradea, 410087 Oradea, Romania; Department of Pharmacy, Faculty of Medicine and Pharmacy, University of Oradea, 410028 Oradea, Romania
| | - Laura Maria Endres
- Department of Psycho-Neurosciences and Recovery, Faculty of Medicine and Pharmacy, University of Oradea, 410073 Oradea, Romania
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Punica granatum L. Polyphenolic Extract as an Antioxidant to Prevent Kidney Injury in Metabolic Syndrome Rats. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2023; 2023:6144967. [PMID: 36644578 PMCID: PMC9836814 DOI: 10.1155/2023/6144967] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/19/2022] [Revised: 11/21/2022] [Accepted: 11/28/2022] [Indexed: 01/07/2023]
Abstract
Introduction Obesity and metabolic syndrome (MetS) constitute a rapidly increasing health problem and contribute to the development of multiple comorbidities like acute and chronic kidney disease. Insulin resistance, inappropriate lipolysis, and excess of free fatty acids (FFAs) are associated with glomerulus hyperfiltration and atherosclerosis. The important component of MetS, oxidative stress, is also involved in the destabilization of kidney function and the progression of kidney injury. Natural polyphenols have the ability to reduce the harmful effect of reactive oxygen and nitrogen species (ROS/RNS). Extract derived from Punica granatum L. is rich in punicalagin that demonstrates positive effects in MetS and its associated diseases. The aim of the study was to investigate the effect of bioactive substances of pomegranate peel to kidney damage associated with the MetS. Methods In this study, we compared biomarkers of oxidative stress in kidney tissue of adult male Zucker Diabetic Fatty (ZDF) rats with MetS and healthy controls that were treated with Punica granatum L. extract at a dose of 100 or 200 mg/kg. Additionally, we evaluated the effect of polyphenolic extract on kidney injury markers and remodeling. The concentration of ROS/RNS, oxLDL, glutathione (GSH), kidney injury molecule-1 (KIM-1), neutrophil gelatinase-associated lipocalin (NGAL), metalloproteinase 2 and 9 (MMP-2, MMP-9), and the activity of superoxide dismutase (SOD) and catalase (CAT) were measured. Results The data showed significant differences in oxidative stress markers between treated and untreated MetS rats. ROS/RNS levels, oxLDL concentration, and SOD activity were lower, whereas CAT activity was higher in rats with MetS receiving polyphenolic extract. After administration of the extract, markers for kidney injury (NGAL, KIM-1) decreased. Conclusion Our study confirmed the usefulness of pomegranate polyphenols in the treatment of MetS and the prevention of kidney damage. However, further, more detailed research is required to establish the mechanism of polyphenol protection.
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Artificial Kidney Engineering: The Development of Dialysis Membranes for Blood Purification. MEMBRANES 2022; 12:membranes12020177. [PMID: 35207097 PMCID: PMC8876607 DOI: 10.3390/membranes12020177] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/30/2021] [Revised: 01/27/2022] [Accepted: 01/30/2022] [Indexed: 11/17/2022]
Abstract
The artificial kidney, one of the greatest medical inventions in the 20th century, has saved innumerable lives with end stage renal disease. Designs of artificial kidney evolved dramatically in decades of development. A hollow-fibered membrane with well controlled blood and dialysate flow became the major design of the modern artificial kidney. Although they have been well established to prolong patients’ lives, the modern blood purification system is still imperfect. Patient’s quality of life, complications, and lack of metabolic functions are shortcomings of current blood purification treatment. The direction of future artificial kidneys is toward miniaturization, better biocompatibility, and providing metabolic functions. Studies and trials of silicon nanopore membranes, tissue engineering for renal cell bioreactors, and dialysate regeneration are all under development to overcome the shortcomings of current artificial kidneys. With all these advancements, wearable or implantable artificial kidneys will be achievable.
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Verissimo T, Faivre A, Sgardello S, Naesens M, de Seigneux S, Criton G, Legouis D. Estimated Renal Metabolomics at Reperfusion Predicts One-Year Kidney Graft Function. Metabolites 2022; 12:57. [PMID: 35050179 PMCID: PMC8778290 DOI: 10.3390/metabo12010057] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2021] [Revised: 12/26/2021] [Accepted: 01/04/2022] [Indexed: 02/04/2023] Open
Abstract
Renal transplantation is the gold-standard procedure for end-stage renal disease patients, improving quality of life and life expectancy. Despite continuous advancement in the management of post-transplant complications, progress is still needed to increase the graft lifespan. Early identification of patients at risk of rapid graft failure is critical to optimize their management and slow the progression of the disease. In 42 kidney grafts undergoing protocol biopsies at reperfusion, we estimated the renal metabolome from RNAseq data. The estimated metabolites' abundance was further used to predict the renal function within the first year of transplantation through a random forest machine learning algorithm. Using repeated K-fold cross-validation we first built and then tuned our model on a training dataset. The optimal model accurately predicted the one-year eGFR, with an out-of-bag root mean square root error (RMSE) that was 11.8 ± 7.2 mL/min/1.73 m2. The performance was similar in the test dataset, with a RMSE of 12.2 ± 3.2 mL/min/1.73 m2. This model outperformed classic statistical models. Reperfusion renal metabolome may be used to predict renal function one year after allograft kidney recipients.
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Affiliation(s)
- Thomas Verissimo
- Laboratory of Nephrology, Department of Medicine, University Hospitals of Geneva, 1205 Geneva, Switzerland; (T.V.); (A.F.); (S.d.S.)
| | - Anna Faivre
- Laboratory of Nephrology, Department of Medicine, University Hospitals of Geneva, 1205 Geneva, Switzerland; (T.V.); (A.F.); (S.d.S.)
| | - Sebastian Sgardello
- Department of Surgery, University Hospital of Geneva, 1205 Geneva, Switzerland;
| | - Maarten Naesens
- Service of Nephrology, University Hospitals of Leuven, 3000 Leuven, Belgium;
| | - Sophie de Seigneux
- Laboratory of Nephrology, Department of Medicine, University Hospitals of Geneva, 1205 Geneva, Switzerland; (T.V.); (A.F.); (S.d.S.)
- Service of Nephrology, Department of Internal Medicine Specialties, University Hospital of Geneva, 1205 Geneva, Switzerland
| | - Gilles Criton
- Geneva School of Economics and Management, University of Geneva, 1205 Geneva, Switzerland;
| | - David Legouis
- Laboratory of Nephrology, Department of Medicine, University Hospitals of Geneva, 1205 Geneva, Switzerland; (T.V.); (A.F.); (S.d.S.)
- Division of Intensive Care, Department of Acute Medicine, University hospital of Geneva, 1205 Geneva, Switzerland
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Human kidney organoids reveal the role of glutathione in Fabry disease. Exp Mol Med 2021; 53:1580-1591. [PMID: 34654880 PMCID: PMC8568890 DOI: 10.1038/s12276-021-00683-y] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Revised: 08/03/2021] [Accepted: 08/09/2021] [Indexed: 12/29/2022] Open
Abstract
Fabry disease is an X-linked lysosomal storage disease caused by a mutation in the galactosidase alpha (GLA) gene. Despite advances in therapeutic technologies, the lack of humanized experimental models of Fabry disease has limited the development of new therapies to cure the disease. Herein, we modeled Fabry disease using human inducible pluripotent stem cell (iPSC)-derived kidney organoids and the CRISPR-Cas9 genome-editing system. GLA-mutant human kidney organoids revealed deformed podocytes and tubular cells with accumulation of globotriaosylceramide (Gb3). Ultrastructural analysis showed abundant electron-dense granular deposits and electron-dense lamellate lipid-like deposits that formed concentric bodies (zebra bodies) in the cytoplasm of podocytes and tubules. The oxidative stress level was increased in GLA-mutant kidney organoids, and the increase was accompanied by apoptosis. Enzyme replacement treatment (ERT) with recombinant human α-Gal A decreased the Gb3 accumulation and oxidative stress, which resulted in amelioration of the deformed cellular structure of the GLA-mutant kidney organoids. Transcription profile analyses showed decreased glutathione (GSH) metabolism in GLA-mutant kidney organoids. GSH replacement treatment decreased oxidative stress and attenuated the structural deformity of the GLA-mutant kidney organoids. GSH treatment also increased the expression of podocyte and tubular markers and decreased apoptosis. In conclusion, GLA-mutant kidney organoids derived from human iPSCs are valuable tools for studying the mechanisms and developing novel therapeutic alternatives for Fabry disease.
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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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Badmus OO, Areola ED, Benjamin E, Obekpa MA, Adegoke TE, Elijah OE, Imam A, Olajide OJ, Olatunji LA. Suppression of Adenosine Deaminase and Xanthine Oxidase Activities by Mineralocorticoid and Glucocorticoid Receptor Blockades Restores Renal Antioxidative Barrier in Oral Contraceptive-Treated Dam. J Renin Angiotensin Aldosterone Syst 2021; 2021:9966372. [PMID: 34285713 PMCID: PMC8265027 DOI: 10.1155/2021/9966372] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2021] [Accepted: 04/10/2021] [Indexed: 11/20/2022] Open
Abstract
OBJECTIVE We tested the hypothesis that postpartum combined oral contraceptive (COC) treatment would induce oxidative stress via the adenosine deaminase-xanthine oxidase pathway in the kidney. We also sought to determine whether mineralocorticoid receptor (MR) or glucocorticoid receptor (GR ) blockade would suppress the activities of ADA and xanthine oxidase caused by postpartum COC treatment in the kidney. METHODS Twenty-four Wistar dams were randomly assigned to 4 groups (n = 6/group). Dams received vehicle (po), COC (1.0 μg ethinylestradiol and 5.0 μg levonorgestrel; po), COC with GR blockade (mifepristone; 80.0 mg/kg; po), and COC with MR blockade (spironolactone; 0.25 mg/kg; po) daily between 3rd and 11th week postpartum. RESULTS Data showed that postpartum COC caused increased plasma creatinine and urea, increased renal triglyceride/high-density lipoprotein ratio, free fatty acid accumulation, alanine aminotransferase, gamma-glutamyltransferase, uric acid, and activities of renal XO and ADA. On the other hand, postpartum COC resulted in decreased plasma albumin, renal glutathione, and Na+-K+-ATPase activity with no effect on lactate production. However, MR or GR blockade ameliorated the alterations induced by postpartum COC treatment. The present results demonstrate that MR or GR blockade ameliorates postpartum COC-induced increased activities of ADA and xanthine oxidase and restores glutathione-dependent antioxidative defense. CONCLUSION These findings implicate the involvements of GR and MR in renal dysfunctions caused by COC in dams via disrupted glutathione antioxidative barrier.
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Affiliation(s)
- Olufunto O. Badmus
- HOPE Cardiometabolic Research Team and Department of Physiology, College of Health Sciences, University of Ilorin, Ilorin, Nigeria
- Department of Public Health, Kwara State University, Malete, Nigeria
| | - Emmanuel D. Areola
- HOPE Cardiometabolic Research Team and Department of Physiology, College of Health Sciences, University of Ilorin, Ilorin, Nigeria
| | - Eleojo Benjamin
- HOPE Cardiometabolic Research Team and Department of Physiology, College of Health Sciences, University of Ilorin, Ilorin, Nigeria
| | - Matthew A. Obekpa
- HOPE Cardiometabolic Research Team and Department of Physiology, College of Health Sciences, University of Ilorin, Ilorin, Nigeria
| | - Tolulope E. Adegoke
- HOPE Cardiometabolic Research Team and Department of Physiology, College of Health Sciences, University of Ilorin, Ilorin, Nigeria
- Department of Physiology, Ladoke Akintola University of Technology, Ogbomoso, Nigeria
| | - Oluwatobi E. Elijah
- HOPE Cardiometabolic Research Team and Department of Physiology, College of Health Sciences, University of Ilorin, Ilorin, Nigeria
| | - Aminu Imam
- Department of Anatomy, College of Health Sciences, University of Ilorin, Ilorin, Nigeria
| | - Olayemi J. Olajide
- Department of Anatomy, College of Health Sciences, University of Ilorin, Ilorin, Nigeria
| | - Lawrence A. Olatunji
- HOPE Cardiometabolic Research Team and Department of Physiology, College of Health Sciences, University of Ilorin, Ilorin, Nigeria
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Vida C, Carracedo J, de Sequera P, Bodega G, Pérez R, Alique M, Ramírez R. A high magnesium concentration in citrate dialysate prevents oxidative stress and damage in human monocytes in vitro. Clin Kidney J 2021; 14:1403-1411. [PMID: 33959268 PMCID: PMC8087128 DOI: 10.1093/ckj/sfaa131] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2019] [Indexed: 12/13/2022] Open
Abstract
BACKGROUND The use of dialysis fluids (DFs) during haemodialysis has been associated with increased oxidative stress and reduced serum magnesium (Mg) levels, contributing to chronic inflammation. Since the role of Mg in modulating immune function and reducing oxidative stress has been demonstrated, the aim of this study was to characterize in vitro whether increasing the Mg concentration in DFs could protect immune cells from oxidative stress and damage. METHODS The effect of citrate [citrate dialysis fluid (CDF), 1 mM] or acetate [acetate dialysis fluid (ADF), 3 mM] dialysates with low (0.5 mM; routinely used) or high (1 mM, 1.25 mM and 2 mM) Mg concentrations was assessed in THP-1 human monocytes. The levels of reactive oxygen species (ROS), malondialdehyde (MDA) and oxidized/reduced (GSSG/GSH) glutathione were quantified under basal and inflammatory conditions (stimulation with lipopolysaccharide, LPS). RESULTS The increase of Mg in CDF resulted in a significant reduction of ROS production under basal and inflammatory conditions (extremely marked in 2 mM Mg; P < 0.001). These effects were not observed in ADF. Interestingly, in a dose-dependent manner, high Mg doses in CDF reduced oxidative stress in monocytes under both basal and inflammatory conditions. In fact, 2 mM Mg significantly decreased the levels of GSH, GSSG and MDA and the GSSG/GSH ratio in relation to 0.5 mM Mg. CONCLUSIONS CDF produces lower oxidative stress than ADF. The increase of Mg content in DFs, especially in CDF, could have a positive and protective effect in reducing oxidative stress and damage in immune cells, especially under inflammatory conditions.
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Affiliation(s)
- Carmen Vida
- Dpto de Biología de Sistemas, Universidad de Alcalá, Alcalá de Henares, Madrid, Spain
| | - Julia Carracedo
- Dpto Genética, Fisiología y Microbiología (Sección Fisiología), Universidad Complutense de Madrid, Madrid, Spain
- Instituto de Investigación Sanitaria Hospital 12 de Octubre (imas12), Madrid, Spain
| | - Patricia de Sequera
- Sección de Nefrología, Hospital Universitario Infanta Leonor, Madrid, Spain
- Dpto de Medicina, Universidad Complutense de Madrid, Madrid, Spain
| | - Guillermo Bodega
- Dpto de Biomedicina y Biotecnología, Universidad de Alcalá, Alcalá de Henares, Madrid, Spain
| | - Rafael Pérez
- Sección de Nefrología, Hospital Universitario Infanta Leonor, Madrid, Spain
| | - Matilde Alique
- Dpto de Biología de Sistemas, Universidad de Alcalá, Alcalá de Henares, Madrid, Spain
- Instituto Ramón y Cajal de Investigación Sanitaria, (IRYCIS), Madrid, Spain
| | - Rafael Ramírez
- Dpto de Biología de Sistemas, Universidad de Alcalá, Alcalá de Henares, Madrid, Spain
- Instituto Ramón y Cajal de Investigación Sanitaria, (IRYCIS), Madrid, Spain
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Manandhar S, Sinha P, Ejiwale G, Bhatia M. Hydrogen Sulfide and its Interaction with Other Players in Inflammation. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2021; 1315:129-159. [PMID: 34302691 DOI: 10.1007/978-981-16-0991-6_6] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Hydrogen sulfide (H2S) plays a vital role in human physiology and in the pathophysiology of several diseases. In addition, a substantial role of H2S in inflammation has emerged. This chapter will discuss the involvement of H2S in various inflammatory diseases. Furthermore, the contribution of reactive oxygen species (ROS), adhesion molecules, and leukocyte recruitment in H2S-mediated inflammation will be discussed. The interrelationship of H2S with other gasotransmitters in inflammation will also be examined. There is mixed literature on the contribution of H2S to inflammation due to studies reporting both pro- and anti-inflammatory actions. These apparent discrepancies in the literature could be resolved with further studies.
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Affiliation(s)
- Sumeet Manandhar
- Department of Pathology and Biomedical Science, University of Otago, Christchurch, New Zealand
| | - Priyanka Sinha
- Department of Pathology and Biomedical Science, University of Otago, Christchurch, New Zealand
| | - Grace Ejiwale
- Department of Pathology and Biomedical Science, University of Otago, Christchurch, New Zealand
| | - Madhav Bhatia
- Department of Pathology and Biomedical Science, University of Otago, Christchurch, New Zealand.
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Oxidative Stress Markers in Chronic Kidney Disease with Emphasis on Diabetic Nephropathy. Antioxidants (Basel) 2020; 9:antiox9100925. [PMID: 32992565 PMCID: PMC7600946 DOI: 10.3390/antiox9100925] [Citation(s) in RCA: 50] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2020] [Revised: 09/20/2020] [Accepted: 09/24/2020] [Indexed: 02/07/2023] Open
Abstract
Diabetes prevalence is increasing worldwide, especially through the increase of type 2 diabetes. Diabetic nephropathy occurs in up to 40% of diabetic patients and is the leading cause of end-stage renal disease. Various factors affect the development and progression of diabetic nephropathy. Hyperglycaemia increases free radical production, resulting in oxidative stress, which plays an important role in the pathogenesis of diabetic nephropathy. Free radicals have a short half-life and are difficult to measure. In contrast, oxidation products, including lipid peroxidation, protein oxidation, and nucleic acid oxidation, have longer lifetimes and are used to evaluate oxidative stress. In recent years, different oxidative stress biomarkers associated with diabetic nephropathy have been found. This review summarises current evidence of oxidative stress biomarkers in patients with diabetic nephropathy. Although some of them are promising, they cannot replace currently used clinical biomarkers (eGFR, proteinuria) in the development and progression of diabetic nephropathy.
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12
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Angelova S, Salim A, Kiselova-Kaneva Y, Ivanova D, Peev S. Association of mRNA Levels of IL6, MMP-8, GSS in Saliva and Pyelonephritis in Children. Molecules 2019; 25:molecules25010085. [PMID: 31881666 PMCID: PMC6982834 DOI: 10.3390/molecules25010085] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2019] [Revised: 12/20/2019] [Accepted: 12/22/2019] [Indexed: 12/25/2022] Open
Abstract
Nowadays, saliva is a subject of growing scientific interest because of its definite advantages as diagnostic medium. The aim of our study was to investigate the diagnostic potential and reliability of messenger RNAs (mRNAs) of selected genes—interleukin-6 (IL-6), matrix metalloproteinase-8 (MMP-8) and glutathione synthetase (GSS)—as salivary markers in children with diagnosed pyelonephritis and to correlate their levels with typical urine para-clinical indicators of the disease. Analysis of the mRNA levels for IL-6, MMP-8 and GSS in 28 children hospitalized with the diagnosis of pyelonephritis was conducted applying the method of quantitative reverse transcription polymerase chain reaction (RT-qPCR). In the study group (n = 28), IL-6 mRNA levels demonstrated 64-fold increase (p < 0.001). MMP-8 and GSS mRNA levels were increased in 12 samples in patients with pyelonephritis 3.27 (p < 0.01) and 1.94 (p < 0.001) times, respectively. We found a strong and significant correlation (p < 0.001) between the investigated mRNA for IL-6 and MMP-8, IL-6 and GSS, MMP-8 and GSS. Moderate degree of correlation was established between IL-6 and the typical para-clinical indicator of leucocytes (0.43, p < 0.05) and between GSS and leucocytes (0.54, p < 0.01). Salivary IL-6, MMP-8 and GSS mRNA levels in combination with urine test analysis could be useful diagnostic tool for the very distributed disorder of pyelonephritis in childhood.
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Affiliation(s)
- Sirma Angelova
- Department of Pediatric Dentistry, Faculty of Dental Medicine, Medical University of Varna, 9000 Varna, Bulgaria;
| | - Ayshe Salim
- Department of Biochemistry, Molecular Medicine and Nutrigenomics, Faculty of Pharmacy, Medical University of Varna, 9000 Varna, Bulgaria; (Y.K.-K.); (D.I.)
- Correspondence: ; Tel.: +35-9883492818
| | - Yoana Kiselova-Kaneva
- Department of Biochemistry, Molecular Medicine and Nutrigenomics, Faculty of Pharmacy, Medical University of Varna, 9000 Varna, Bulgaria; (Y.K.-K.); (D.I.)
| | - Diana Ivanova
- Department of Biochemistry, Molecular Medicine and Nutrigenomics, Faculty of Pharmacy, Medical University of Varna, 9000 Varna, Bulgaria; (Y.K.-K.); (D.I.)
| | - Stefan Peev
- Department of Periodontology and Dental Implantology, Faculty of Dental Medicine, Medical University of Varna, 9000 Varna, Bulgaria;
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13
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García-Arroyo FE, Gonzaga G, Muñoz-Jiménez I, Osorio-Alonso H, Iroz A, Vecchio M, Tapia E, Roncal-Jiménez CA, Johnson RJ, Sánchez-Lozada LG. Antioxidant supplements as a novel mean for blocking recurrent heat stress-induced kidney damage following rehydration with fructose-containing beverages. Free Radic Biol Med 2019; 141:182-191. [PMID: 31212064 DOI: 10.1016/j.freeradbiomed.2019.06.016] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/28/2019] [Revised: 05/22/2019] [Accepted: 06/14/2019] [Indexed: 12/20/2022]
Abstract
Recently repeated heat stress and dehydration have been reported to cause oxidative stress and kidney damage that is enhanced by rehydrating with fructose solutions. We hypothesized that antioxidants might provide a novel way to prevent kidney damage. To test this hypothesis, mild heat stress was induced by exposing rats to 37 °C during 1 h in a closed chamber. The supplementation with water-soluble antioxidants (Antiox), ascorbic acid 1% plus N-acetyl cysteine 600 mg/L was done either in the 10% fructose 2 h rehydration fluid immediately after heat stress (Fructose 10% + Antiox), and/or in the tap water (Water + Antiox) for the remainder of the day, or in both fluids. After 4 weeks, control rats exposed to heat with fructose rehydration developed impaired renal function, tubular injury, intrarenal oxidative stress, a reduction in Nrf2-Keap1 antioxidant pathway, stimulation of vasopressin and the intrarenal polyol-fructokinase pathway. In contrast, dosing the antioxidants in the tap water (i.e., before the heat exposure and rehydration with fructose) preserved renal function, prevented renal tubule dysfunction and avoided the increase in systemic blood pressure. These effects were likely due to the amplification of the antioxidant defenses through increased Nrf2 nuclear translocation stimulated by the antioxidants and by the prevention of polyol fructokinase pathway overactivation. More studies to understand the mechanisms implicated in this pathology are warranted as there is recent evidence that they may be operating in humans as well.
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Affiliation(s)
| | - Guillermo Gonzaga
- Lab. Renal Physiopathology, Dept. of Nephrology, INC Ignacio Chávez. Mexico City, Mexico
| | - Itzel Muñoz-Jiménez
- Lab. Renal Physiopathology, Dept. of Nephrology, INC Ignacio Chávez. Mexico City, Mexico
| | - Horacio Osorio-Alonso
- Lab. Renal Physiopathology, Dept. of Nephrology, INC Ignacio Chávez. Mexico City, Mexico
| | | | | | - Edilia Tapia
- Lab. Renal Physiopathology, Dept. of Nephrology, INC Ignacio Chávez. Mexico City, Mexico
| | | | - Richard J Johnson
- Renal Diseases and Hypertension. University of Colorado. Aurora CO, USA
| | - Laura G Sánchez-Lozada
- Lab. Renal Physiopathology, Dept. of Nephrology, INC Ignacio Chávez. Mexico City, Mexico.
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14
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Yeh E, Chen C, Huang S, Huang Y. Higher glutathione demand may be necessary for assisting haemodialysis patients to cope with increased oxidative stress. Nephrology (Carlton) 2019; 25:90-95. [DOI: 10.1111/nep.13588] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/09/2019] [Indexed: 11/27/2022]
Affiliation(s)
- En‐Ling Yeh
- Graduate Program in NutritionChung Shan Medical University Taichung Taiwan
| | - Cheng‐Hsu Chen
- Division of Nephrology, Department of Internal MedicineTaichung Veterans General Hospital Taichung Taiwan
- Department of Life ScienceTunghai University Taichung Taiwan
- School of MedicineChina Medical University Taichung Taiwan
| | - Shih‐Chien Huang
- Department of NutritionChung Shan Medical University Taichung Taiwan
- Department of NutritionChung Shan Medical University Hospital Taichung Taiwan
| | - Yi‐Chia Huang
- Department of NutritionChung Shan Medical University Taichung Taiwan
- Department of NutritionChung Shan Medical University Hospital Taichung Taiwan
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15
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Morello J, Derks RJE, Lopes SS, Steenvoorden E, Monteiro EC, Mayboroda OA, Pereira SA. Zebrafish Larvae Are a Suitable Model to Investigate the Metabolic Phenotype of Drug-Induced Renal Tubular Injury. Front Pharmacol 2018; 9:1193. [PMID: 30459607 PMCID: PMC6232664 DOI: 10.3389/fphar.2018.01193] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2018] [Accepted: 09/28/2018] [Indexed: 12/04/2022] Open
Abstract
Prevention and treatment of drug-induced renal injury (DIRI) rely on the availability of sensitive and specific biomarkers of early kidney injury and predictive animal models of human pathophysiology. This study aimed to evaluate the potential of zebrafish larvae as translational model in metabolic profiling of DIRI. Zebrafish larvae were exposed to the lethal concentration for 10% of the larvae (LC10) or ½ LC10 of gentamicin, paracetamol and tenofovir as tenofovir disoproxil fumarate (TDF) and tenofovir (TFV). Metabolites were extracted from whole larvae and analyzed by liquid chromatography-mass spectrometry. Principal component analysis showed that drug exposition to the LC10 of paracetamol, TFV, and TDF was the main source of the variance of the data. To identify the metabolites responsible for the toxic effects of the drugs, partial least squares discriminant analyses were built between the LC10 and ½ LC10 for each drug. Features with variable importance in projection> 1.0 were selected and Venn diagrams were built to differentiate between the common and drug specific metabolites of DIRI. Creatine, tyrosine, glutamine, guanosine, hypoxanthine were identified as common metabolites, adenosine and tryptophan as paracetamol-specific and xanthine and oxidized glutathione as tenofovir-specific. Those metabolic changes can be associated with alterations in energy metabolism, xenobiotic detoxification and protein catabolism, all described in the human pathophysiology of DIRI. Thus, zebrafish proved to be a suitable model to characterize the metabolic changes associated with DIRI. This information can be useful to early diagnose DIRI and to improve our knowledge on the mechanisms of DIRI.
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Affiliation(s)
- Judit Morello
- CEDOC, Chronic Diseases Research Centre, NOVA Medical School/Faculdade de Ciências Médicas, Universidade NOVA de Lisboa, Lisbon, Portugal
| | - Rico J E Derks
- Center for Proteomics and Metabolomics, Leiden University Medical Centre, Leiden, Netherlands
| | - Susana S Lopes
- CEDOC, Chronic Diseases Research Centre, NOVA Medical School/Faculdade de Ciências Médicas, Universidade NOVA de Lisboa, Lisbon, Portugal
| | - Evelyne Steenvoorden
- Center for Proteomics and Metabolomics, Leiden University Medical Centre, Leiden, Netherlands
| | - Emilia C Monteiro
- CEDOC, Chronic Diseases Research Centre, NOVA Medical School/Faculdade de Ciências Médicas, Universidade NOVA de Lisboa, Lisbon, Portugal
| | - Oleg A Mayboroda
- Center for Proteomics and Metabolomics, Leiden University Medical Centre, Leiden, Netherlands.,Department of Chemistry, Tomsk State University, Tomsk, Russia
| | - Sofia A Pereira
- CEDOC, Chronic Diseases Research Centre, NOVA Medical School/Faculdade de Ciências Médicas, Universidade NOVA de Lisboa, Lisbon, Portugal
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16
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Edamatsu T, Fujieda A, Itoh Y. Phenyl sulfate, indoxyl sulfate and p-cresyl sulfate decrease glutathione level to render cells vulnerable to oxidative stress in renal tubular cells. PLoS One 2018; 13:e0193342. [PMID: 29474405 PMCID: PMC5825083 DOI: 10.1371/journal.pone.0193342] [Citation(s) in RCA: 43] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2017] [Accepted: 02/08/2018] [Indexed: 12/30/2022] Open
Abstract
In chronic kidney disease patients, oxidative stress is generally associated with disease progression and pathogenesis of its comorbidities. Phenyl sulfate is a protein-bound uremic solute, which accumulates in chronic kidney disease patients, but little is known about its nature. Although many reports revealed that protein-bound uremic solutes induce reactive oxygen species production, the effects of these solutes on anti-oxidant level have not been well studied. Therefore, we examined the effects of protein-bound uremic solutes on glutathione levels. As a result, indoxyl sulfate, phenyl sulfate, and p-cresyl sulfate decreased glutathione levels in porcine renal tubular cells. Next we examined whether phenyl sulfate-treated cells becomes vulnerable to oxidative stress. In phenyl sulfate-treated cells, hydrogen peroxide induced higher rates of cell death than in control cells. Buthionine sulfoximine, which is known to decrease glutathione level, well mimicked the effect of phenyl sulfate. Finally, we evaluated a mixture of indoxyl sulfate, phenyl sulfate, and p-cresyl sulfate at concentrations comparable to the serum concentrations of hemodialysis patients, and we confirmed its decreasing effect on glutathione level. In conclusion, indoxyl sulfate, phenyl sulfate, and p-cresyl sulfate decrease glutathione levels, rendering the cells vulnerable to oxidative stress.
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Affiliation(s)
- Takeo Edamatsu
- Pharmaceuticals & Agrochemicals Division, Kureha Corporation, Tokyo, Japan
- * E-mail:
| | - Ayako Fujieda
- Pharmaceuticals & Agrochemicals Division, Kureha Corporation, Tokyo, Japan
| | - Yoshiharu Itoh
- Pharmaceuticals & Agrochemicals Division, Kureha Corporation, Tokyo, Japan
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17
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Yew PN, Lee WL, Lim YY. Antioxidant and Intracellular Reactive Oxygen Species/Reactive Nitrogen Species Scavenging Activities of Three Porcupine Bezoars from Hystrix brachyura. Pharmacognosy Res 2017; 9:366-371. [PMID: 29263630 PMCID: PMC5717789 DOI: 10.4103/pr.pr_145_16] [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] [Indexed: 11/15/2022] Open
Abstract
BACKGROUND Porcupine dates are phytobezoar stones that are used in Traditional Chinese Medicine (TCM) treatments against cancer, postsurgical recovery, dengue fever, etc. The medicinal values have not been scientifically investigated due to the availability and high pricing of the dates. OBJECTIVES This paper represents the first report on the phytochemical content, in vitro antioxidant and intracellular reactive oxygen species (ROS)/reactive nitrogen species (RNS) scavenging properties of the extracts of three porcupine dates: grassy date (GD), black date (BD), and powdery date (PD). MATERIALS AND METHODS Dried samples were extracted with methanol and lyophilized. Samples were screened for phytochemical constituents, in vitro antioxidant assays based on total phenolic content (TPC), free radical scavenging, and ferric reducing power (FRP) as well as intracellular ROS and RNS scavenging properties. RESULTS Phytochemical screening and total tannins assay revealed that tannins, cardiac glycosides, and terpenoids were found in all porcupine dates with tannins forming the major portion of the TPC. In comparison to GD, BD and PD were found to contain significantly high TPC, radical scavenging activity, and FRP. At 200 μg/ml, BD and PD remarkably scavenged 2, 2-azobis (2-amidinopropane) dihydrochloride-induced ROS in RAW264.7 cells and significantly reduced nitric oxide in lipopolysaccharide-stimulated cells. CONCLUSION Overall, BD and PD exhibited promising in vitro antioxidant as well as intracellular ROS/RNS scavenging properties. SUMMARY Tannins, cardiac glycoside, and terpenoids were found in all three types of porcupine dates with tannins being the major compoundsAntioxidant contents and properties of three dates were in the order black date (BD) > powdery date (PD) > grassy dateBD and PD extracts showed significant intracellular reactive oxygen species and reactive nitrogen species scavenging properties. Abbreviations Used: TCM: Traditional Chinese Medicine, BD: Black date, GD: Grassy date, PD: Powdery date, TPC: Total phenolic content, FRS: Free radical scavenging, FRP: Ferric reducing power, NO: Nitric oxide, ROS: Reactive oxygen species, RNS: Reactive nitrogen species, GAE: Gallic acid equivalent, AAE: Ascorbic acid equivalent, PVPP: Polyvinylpolypyrrolidone, DCFH-DA: Dichloro-dihydro-fluorescein diacetate, AAPH: 2, 2-azobis (2-amidinopropane) dihydrochloride, LPS: Lipopolysaccharide.
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Affiliation(s)
- Peng Nilan Yew
- School of Science, Monash University Malaysia, Jalan Lagoon Selatan, Bandar Sunway, 47500 Subang Jaya, Selangor, Malaysia
| | - Wai Leng Lee
- School of Science, Monash University Malaysia, Jalan Lagoon Selatan, Bandar Sunway, 47500 Subang Jaya, Selangor, Malaysia
| | - Yau Yan Lim
- School of Science, Monash University Malaysia, Jalan Lagoon Selatan, Bandar Sunway, 47500 Subang Jaya, Selangor, Malaysia
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18
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Yin CX, Xiong KM, Huo FJ, Salamanca JC, Strongin RM. Fluorescent Probes with Multiple Binding Sites for the Discrimination of Cys, Hcy, and GSH. Angew Chem Int Ed Engl 2017; 56:13188-13198. [PMID: 28703457 DOI: 10.1002/anie.201704084] [Citation(s) in RCA: 284] [Impact Index Per Article: 40.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2017] [Revised: 06/05/2017] [Indexed: 12/15/2022]
Abstract
Biothiols such as cysteine (Cys), homocysteine (Hcy), and glutathione (GSH) play crucial roles in maintaining redox homeostasis in biological systems. This Minireview summarizes the most significant current challenges in the field of thiol-reactive probes for biomedical research and diagnostics, emphasizing the needs and opportunities that have been under-investigated by chemists in the selective probe and sensor field. Progress on multiple binding site probes to distinguish Cys, Hcy, and GSH is highlighted as a creative new direction in the field that can enable simultaneous, accurate ratiometric monitoring. New probe design strategies and researcher priorities can better help address current challenges, including the monitoring of disease states such as autism and chronic diseases involving oxidative stress that are characterized by divergent levels of GSH, Cys, and Hcy.
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Affiliation(s)
- Cai-Xia Yin
- Key Laboratory of Chemical Biology and Molecular Engineering of Ministry of Education Institute of Molecular Science,Key Laboratory of Materials for Energy Conversion and Storage of Shanxi Province, Shanxi University, Taiyuan, 030006, China
| | - Kang-Ming Xiong
- Key Laboratory of Chemical Biology and Molecular Engineering of Ministry of Education Institute of Molecular Science,Key Laboratory of Materials for Energy Conversion and Storage of Shanxi Province, Shanxi University, Taiyuan, 030006, China
| | - Fang-Jun Huo
- Research Institute of Applied Chemistry, Shanxi University, Taiyuan, 030006, China
| | - James C Salamanca
- Department of Chemistry, Portland state University, Portland, OR, 97201, USA
| | - Robert M Strongin
- Department of Chemistry, Portland state University, Portland, OR, 97201, USA
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19
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Yin CX, Xiong KM, Huo FJ, Salamanca JC, Strongin RM. Fluoreszenzsonden mit mehreren Bindungsstellen unterscheiden zwischen Cys, Hcy und GSH. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201704084] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Cai-Xia Yin
- Key Laboratory of Chemical Biology and Molecular Engineering des Bildungsministeriums, Institut für Molekularwissenschaften, Key Laboratory of Materials for Energy Conversion and Storage der Provinz Shanxi; Universität Shanxi; Taiyuan 030006 China
| | - Kang-Ming Xiong
- Key Laboratory of Chemical Biology and Molecular Engineering des Bildungsministeriums, Institut für Molekularwissenschaften, Key Laboratory of Materials for Energy Conversion and Storage der Provinz Shanxi; Universität Shanxi; Taiyuan 030006 China
| | - Fang-Jun Huo
- Forschungsinstitut für Angewandte Chemie; Universität Shanxi; Taiyuan 030006 China
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20
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You J, Dou K, Song C, Li G, Sun Z, Zhang S, Chen G, Zhao X, Hu N, Zhou W. 3-(2-Bromoacetamido)-N-(9-ethyl-9H)-carbazol fluorescent probe and its application for the determination of thiophenols in rubber products by HPLC with fluorescence detection and atmospheric chemical ionization mass spectrometry identification. J Sep Sci 2017; 40:2528-2540. [PMID: 28371096 DOI: 10.1002/jssc.201601166] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2016] [Revised: 03/18/2017] [Accepted: 03/24/2017] [Indexed: 11/08/2022]
Abstract
A rapid, sensitive, and selective precolumn derivatization method for the simultaneous determination of eight thiophenols using 3-(2-bromoacetamido)-N-(9-ethyl-9H)-carbazol as a labeling reagent by high-performance liquid chromatography with fluorescence detection has been developed. The labeling reagent reacted with thiophenols at 50°C for 50 min in aqueous acetonitrile in the presence of borate buffer (0.10 mol/L, pH 11.2) to give high yields of thiophenol derivatives. The derivatives were identified by online postcolumn mass spectrometry. The collision-induced dissociation spectra for thiophenol derivatives gave the corresponding specific fragment ions at m/z 251.3, 223.3, 210.9, 195.8, and 181.9. At the same time, derivatives exhibited intense fluorescence with an excitation maximum at λex = 276 nm and an emission maximum at λem = 385 nm. Excellent linear responses were observed for all analytes over the range of 0.033-6.66 μmol/L with correlation coefficients of more than 0.9997. Detection limits were in the range of 0.94-5.77 μg/L with relative standard deviations of less than 4.54%. The feasibility of derivatization allowed the development of a rapid and highly sensitive method for the quantitative analysis of trace levels of thiophenols from some rubber products. The average recoveries (n = 3) were in the range of 87.21-101.12%.
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Affiliation(s)
- Jinmao You
- Key Laboratory of Life-Organic Analysis, Qufu Normal University, Qufu, Shandong, P. R. China.,Key Laboratory of Tibetan Medicine Research, Northwest Institute of Plateau Biology, Chinese Academy of Sciences, Xining, P. R. China
| | - Kun Dou
- Key Laboratory of Life-Organic Analysis, Qufu Normal University, Qufu, Shandong, P. R. China
| | - Cuihua Song
- Key Laboratory of Life-Organic Analysis, Qufu Normal University, Qufu, Shandong, P. R. China
| | - Guoliang Li
- Key Laboratory of Life-Organic Analysis, Qufu Normal University, Qufu, Shandong, P. R. China
| | - Zhiwei Sun
- Key Laboratory of Life-Organic Analysis, Qufu Normal University, Qufu, Shandong, P. R. China
| | - Shijuan Zhang
- Key Laboratory of Life-Organic Analysis, Qufu Normal University, Qufu, Shandong, P. R. China
| | - Guang Chen
- Key Laboratory of Life-Organic Analysis, Qufu Normal University, Qufu, Shandong, P. R. China
| | - Xianen Zhao
- Key Laboratory of Life-Organic Analysis, Qufu Normal University, Qufu, Shandong, P. R. China
| | - Na Hu
- Key Laboratory of Tibetan Medicine Research, Northwest Institute of Plateau Biology, Chinese Academy of Sciences, Xining, P. R. China
| | - Wu Zhou
- State key Laboratory of Plateau Ecology and Agriculture, Qinghai University, Xining, P. R. China
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21
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Maniglia FP, da Costa JAC. Effects of Acetylsalicylic Acid Usage on Inflammatory and Oxidative Stress Markers in Hemodialysis Patients. Inflammation 2016; 39:243-247. [PMID: 26314869 DOI: 10.1007/s10753-015-0244-8] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
The aims of this study were to determine the effects of acetylsalicylic acid (ASA) on inflammation and oxidative stress markers in hemodialysis (HD) patients and to examine the associations between these markers and the sociodemographic and clinical characteristics of participants. The study included 36 subjects who used 300 mg of ASA for 60 days. Inflammation and oxidative stress were assessed based on levels of biochemical markers. ASA usage promoted a decrease in high-sensitivity C-reactive protein (p = 0.01). The level of hydrogen peroxide increased after 30 days of use of ASA and subsequently decreased (p = 0.01). Reduced glutathione reduced at the end of the study (p < 0.01); the malondialdehyde level did not change and the levels of vitamins A and E were inverse to drug use (p = 0.01). ASA usage promoted reduced levels of inflammation, increased production of markers of oxidative stress, and reduced antioxidant defense.
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Affiliation(s)
- Fabíola Pansani Maniglia
- Division of Nephrology, Ribeirão Preto Medical School of University of São Paulo, Ribeirão Preto, SP, Brazil.
| | - José Abrão Cardeal da Costa
- Division of Nephrology, Ribeirão Preto Medical School of University of São Paulo, Ribeirão Preto, SP, Brazil
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22
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Lowering dialysate sodium improves systemic oxidative stress in maintenance hemodialysis patients. Int Urol Nephrol 2016; 48:1699-704. [PMID: 27473155 DOI: 10.1007/s11255-016-1367-z] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2015] [Accepted: 07/04/2016] [Indexed: 12/29/2022]
Abstract
PURPOSE The purpose of the current prospective study was to evaluate the effects of low sodium dialysate on oxidative stress parameters, blood pressure (BP) and endothelial dysfunction in maintenance hemodialysis (HD) patients. METHODS After baseline measurements were taken, the dialysate sodium concentration was reduced from 140 to 137 mEq/L. Oxidative stress parameters and flow-mediated dilatation (FMD %) were measured before and after 6 months of HD with low sodium dialysate. Interdialytic weight gain (IDWG) and pre- and post-dialysis BP were monitored during the study. RESULTS A total of 52 patients were enrolled and 41 patients completed the study. There was a significant reduction in systolic blood pressure at the end of the study [130.00 (90.00-190.00) vs. 120.00 (90.00-150.00), p < 0.001]. Similarly, there were significant improvements in IDWG [2670.00 (1670.00-4300.00) vs. 1986.00 (1099.00-3998.00), p < 0.001] and FMD % [7.26 (4.55-8.56) vs. 9.56 (6.55-12.05), p < 0.001]. Serum MDA levels (p < 0.001) were significantly decreased; serum SOD (p < 0.001) and GPx (p < 0.001) activities were significantly increased after low sodium HD compared to standard sodium HD. CONCLUSION Our data seem to suggest a potential role of 137 mEq/L sodium dialysate for improving hemodynamic status, endothelial function and reducing oxidative stress than 140 mEq/L sodium dialysate in maintenance HD patients.
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23
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H2S-induced thiol-based redox switches: Biochemistry and functional relevance for inflammatory diseases. Pharmacol Res 2016; 111:642-651. [PMID: 27468648 DOI: 10.1016/j.phrs.2016.07.026] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/31/2016] [Revised: 07/19/2016] [Accepted: 07/22/2016] [Indexed: 02/08/2023]
Abstract
During the last decades, small inorganic molecules like reactive oxygen species (ROS), nitric oxide (NO), carbon monoxide (CO) and even the highly toxic hydrogen sulfide (H2S) have been evolved as important signaling molecules that trigger crucial cellular processes by regulating the activity of kinases, phosphatases and transcription factors. These redox molecules use similar target structures and therefore, the composition of the complex "redox environment" determines the final outcome of signaling processes and may subsequently also affect the behavior of a cell in an inflammatory environment. Here, we discuss the role of H2S in this complex interplay with a focus on the transcription factors Nrf2 and NFκB.
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24
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Pei Y, Xu Y, Ruan J, Rong L, Jiang M, Mo Y, Jiang X. Plasma oxidative stress level of IgA nephropathy in children and the effect of early intervention with angiotensin-converting enzyme inhibitors. J Renin Angiotensin Aldosterone Syst 2016; 17:1470320316647240. [PMID: 27198042 PMCID: PMC5843921 DOI: 10.1177/1470320316647240] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2016] [Accepted: 02/29/2016] [Indexed: 11/15/2022] Open
Abstract
AIM The purpose of this study was to investigate the change of the plasma oxidative stress level in children with IgA nephropathy (IgAN) and analyze its relativity to the clinical and pathological classification. To discuss the early effects of angiotensin-converting enzyme inhibitors (ACEIs) on the plasma oxidative stress level in children with IgA nephropathy. METHODS Thirty-eight children with IgAN were divided into groups according to their clinical features, pathologic grades, and treatments. Twenty healthy children were included in the control group. RESULTS The plasma level of advanced oxidation protein products (AOPPs), malonaldehyde (MDA), and superoxide dismutase (SOD) were detected. The plasma level of oxidative stress was significantly increased in the IgAN group, including a higher plasma level of AOPP and MDA and a lower plasma level of SOD. After treatment, the plasma level of oxidative stress was significantly decreased in the ACEI group. CONCLUSIONS The children with IgAN had an increase in the plasma level of oxidative stress, expressed as an increased plasma level of AOPP and MDA and a decreased plasma level of SOD. Oxidative stress was associated with the progression of IgAN in children. Early treatment with ACEI therapy can significantly reduce the plasma level of oxidative stress in children with IgAN.
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Affiliation(s)
- Yuxin Pei
- Department of Pediatrics, The First Affiliated Hospital of Sun Yat-sen University, P.R. China
| | - Yuanyuan Xu
- Department of Pediatrics, The First Affiliated Hospital of Sun Yat-sen University, P.R. China
| | - Jingwei Ruan
- Department of Pediatrics, The First Affiliated Hospital of Sun Yat-sen University, P.R. China
| | - Liping Rong
- Department of Pediatrics, The First Affiliated Hospital of Sun Yat-sen University, P.R. China
| | - Mengjie Jiang
- Department of Pediatrics, The First Affiliated Hospital of Sun Yat-sen University, P.R. China
| | - Ying Mo
- Department of Pediatrics, The First Affiliated Hospital of Sun Yat-sen University, P.R. China
| | - Xiaoyun Jiang
- Department of Pediatrics, The First Affiliated Hospital of Sun Yat-sen University, P.R. China
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Determination of thiophenols with a novel fluorescence labelling reagent: analysis of industrial wastewater samples with SPE extraction coupled with HPLC. Anal Bioanal Chem 2016; 408:3527-36. [DOI: 10.1007/s00216-016-9429-8] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2015] [Revised: 01/28/2016] [Accepted: 02/17/2016] [Indexed: 01/22/2023]
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Yu B, Zheng Y, Nettleton JA, Alexander D, Coresh J, Boerwinkle E. Serum metabolomic profiling and incident CKD among African Americans. Clin J Am Soc Nephrol 2014; 9:1410-7. [PMID: 25011442 DOI: 10.2215/cjn.11971113] [Citation(s) in RCA: 83] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
BACKGROUND AND OBJECTIVES Novel biomarkers that more accurately reflect kidney function and predict future CKD are needed. The human metabolome is the product of multiple physiologic or pathophysiologic processes and may provide novel insight into disease etiology and progression. This study investigated whether estimated kidney function would be associated with multiple metabolites and whether selected metabolomic factors would be independent risk factors for incident CKD. DESIGN, SETTING, PARTICIPANTS, & MEASUREMENTS In total, 1921 African Americans free of CKD with a median of 19.6 years follow-up among the Atherosclerosis Risk in Communities Study were included. A total of 204 serum metabolites quantified by untargeted gas chromatography-mass spectrometry and liquid chromatography-mass spectrometry was analyzed by both linear regression for the cross-sectional associations with eGFR (specified by the Chronic Kidney Disease Epidemiology Collaboration equation) and Cox proportional hazards model for the longitudinal associations with incident CKD. RESULTS Forty named and 34 unnamed metabolites were found to be associated with eGFR specified by the Chronic Kidney Disease Epidemiology Collaboration equation with creatine and 3-indoxyl sulfate showing the strongest positive (2.8 ml/min per 1.73 m(2) per +1 SD; 95% confidence interval, 2.1 to 3.5) and negative association (-14.2 ml/min per 1.73 m(2) per +1 SD; 95% confidence interval, -17.0 to -11.3), respectively. Two hundred four incident CKD events with a median follow-up time of 19.6 years were included in the survival analyses. Higher levels of 5-oxoproline (hazard ratio, 0.70; 95% confidence interval, 0.60 to 0.82) and 1,5-anhydroglucitol (hazard ratio, 0.68; 95% confidence interval, 0.58 to 0.80) were significantly related to lower risk of incident CKD, and the associations did not appreciably change when mutually adjusted. CONCLUSIONS These data identify a large number of metabolites associated with kidney function as well as two metabolites that are candidate risk factors for CKD and may provide new insights into CKD biomarker identification.
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Affiliation(s)
- Bing Yu
- Division of Epidemiology, Human Genetics and Environmental Sciences, University of Texas Health Science Center at Houston, Houston, Texas
| | - Yan Zheng
- Division of Epidemiology, Human Genetics and Environmental Sciences, University of Texas Health Science Center at Houston, Houston, Texas
| | - Jennifer A Nettleton
- Division of Epidemiology, Human Genetics and Environmental Sciences, University of Texas Health Science Center at Houston, Houston, Texas
| | | | - Josef Coresh
- Departments of Epidemiology and Biostatistics, Johns Hopkins University, Baltimore, Maryland; and
| | - Eric Boerwinkle
- Division of Epidemiology, Human Genetics and Environmental Sciences, University of Texas Health Science Center at Houston, Houston, Texas; Human Genome Sequencing Center, Baylor College of Medicine, Houston, Texas
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Stockler-Pinto MB, Mafra D, Moraes C, Lobo J, Boaventura GT, Farage NE, Silva WS, Cozzolino SF, Malm O. Brazil nut (Bertholletia excelsa, H.B.K.) improves oxidative stress and inflammation biomarkers in hemodialysis patients. Biol Trace Elem Res 2014; 158:105-12. [PMID: 24504745 DOI: 10.1007/s12011-014-9904-z] [Citation(s) in RCA: 49] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/16/2013] [Accepted: 01/24/2014] [Indexed: 12/19/2022]
Abstract
Cumulative evidence indicates that oxidative stress and inflammation frequently occurs in patients undergoing maintenance hemodialysis (HD) and as a result of overproduction of reactive oxygen species (ROS) and a decrease of antioxidant defenses such as selenium (Se). Previous studies in our laboratory showed that the supplementation of 1 unit of Brazil nut (the richest known food source of Se) a day during 3 months is effective to improve Se status and increase glutathione peroxidase (GPx) levels in HD patients. The aim of this study was to evaluate the effect of Brazil nut supplementation on oxidative stress and inflammation markers in HD patients. Forty HD patients from Rio de Janeiro, Brazil were studied. All patients received one nut per day for 3 months. The Se plasma levels and GPx, 8-isoprostane, 8-hydroxy-2-deoxyguanosine (8-OHdG), and cytokine (TNF-α and IL-6) levels and lipid profile were determined before and after 3 months of supplementation. The plasma Se and GPx activity increased, while cytokines, 8-OHdG, and 8-isoprostane plasma levels decreased significantly after 3 months supplementation. HDL-c levels increased and LDL-c levels decreased significantly. These data suggest that the consumption of only one Brazil nut per day during 3 months was effective to reduce the inflammation, oxidative stress markers, and the atherogenic risk, thereby increasing the antioxidant defenses in HD patients. Our results indicate that Brazil nut as Se source plays an important role as an anti-inflammatory and antioxidant agent in HD patients.
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Affiliation(s)
- Milena Barcza Stockler-Pinto
- Carlos Chagas Filho Biophysics Institute, Health Sciences Centre, Federal University of Rio de Janeiro (UFRJ), Rio de Janeiro, Rio de Janeiro, Brazil,
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Al-Shobaili HA, Alzolibani AA, Al Robaee AA, Meki ARMA, Rasheed Z. Biochemical markers of oxidative and nitrosative stress in acne vulgaris: correlation with disease activity. J Clin Lab Anal 2013; 27:45-52. [PMID: 23325743 DOI: 10.1002/jcla.21560] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2012] [Accepted: 10/17/2012] [Indexed: 01/25/2023] Open
Abstract
BACKGROUND Acne vulgaris is a multifactorial skin disorder of unknown etiology. Free radical-mediated reactions have been implicated but their role in eliciting this response and contributing to disease progress remains unexplored. This study was undertaken to investigate the status and contribution of oxidative/nitrosative stress in patients with acne vulgaris. METHODS Sera from 50 acne vulgaris with varying levels of disease activity (mild, moderate, and severe) according to the Global Acne Grading System (GAGS) and 40 age- and sex-matched controls were evaluated for serum levels of oxidative/nitrosative stress markers, including protein oxidation, lipid peroxidation and nitric oxide (NO), superoxide dismutase (SOD), and glutathione (GSH). RESULTS Serum analysis showed significantly higher levels of carbonyl contents, malondialdehyde (MDA) and NO, in acne patients compared with healthy controls (P < 0.05). Interestingly, not only there were an increased number of subjects positive for carbonyl contents, but also the levels of these oxidants were significantly increased with the increase of the disease activity (P < 0.05). In addition, a significant correlation was observed between the levels of carbonyl contents and the GAGS scores (r = 0.341, r = 0.355, and r = 0.299, respectively). Furthermore, sera from acne patients had lower levels of SOD and GSH compared with healthy control sera. CONCLUSION These findings support an association between oxidative/nitrosative stress and acne. The stronger response observed in serum samples from patients with higher GAGS scores suggests that markers of oxidative/nitrosative stress may be useful in evaluating the progression of acne and in elucidating the mechanisms of disease pathogenesis.
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Affiliation(s)
- Hani A Al-Shobaili
- Department of Dermatology, College of Medicine, Qassim University, Kingdom of Saudi Arabia
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Pundir M, Arora S, Kaur T, Singh R, Singh AP. Effect of modulating the allosteric sites of N-methyl-D-aspartate receptors in ischemia-reperfusion induced acute kidney injury. J Surg Res 2013; 183:668-77. [PMID: 23498342 DOI: 10.1016/j.jss.2013.01.040] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2012] [Revised: 12/28/2012] [Accepted: 01/18/2013] [Indexed: 10/27/2022]
Abstract
BACKGROUND Acute kidney injury (AKI) is one of the major health problems in developed as well as developing countries. The literature regarding the role of N-methyl-D-aspartate receptors (NMDAR) and the impact of the modulation of its allosteric sites on renal function is inadequate. The present study investigated the effect of modulating allosteric sites of NMDAR in ischemia-reperfusion-induced AKI. MATERIALS AND METHODS We subjected rats to bilateral renal ischemia for 40 min followed by reperfusion for 24 h to induce AKI. We measured blood urea nitrogen, serum creatinine, uric acid, and lactate dehydrogenase to assess kidney injury. We assayed the thiobarbituric acid-reactive substances, reduced glutathione level, and myeloperoxidase and catalase activity to assess oxidative stress in renal tissue, and used hematoxylin-eosin staining to observe histopathologic changes. RESULTS Ischemia-reperfusion induced AKI, as demonstrated by an increase in serum parameters, oxidative stress and histopathologic changes in renal tissue. The NMDA agonist glutamic acid and polyamine binding site agonist spermidine significantly aggravated oxidative stress and ischemia-reperfusion-induced AKI. Various NMDA receptor antagonists, including glycine binding site inhibitor kynurenic acid, polyamine binding site inhibitor ketamine, and channel blocking agent magnesium sulfate, attenuated ischemia-reperfusion-induced AKI and significantly reduced oxidative stress, which suggests a role for NMDA receptors and the importance of regulating its allosteric sites in AKI. CONCLUSIONS Acute kidney injury is associated with the activation of NMDA receptors, as well as significant oxidative stress. The antagonism of various allosteric sites of NMDA receptors affords significant benefit against ischemia-reperfusion-induced AKI.
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Affiliation(s)
- Mandeep Pundir
- Department of Pharmaceutical Sciences, Guru Nanak Dev University, Amritsar, India
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Wan D, Gao M, Wang Y, Zhang P, Zhang X. A rapid and simple separation and direct detection of glutathione by gold nanoparticles and graphene-based MALDI-TOF-MS. J Sep Sci 2012; 36:629-35. [DOI: 10.1002/jssc.201200766] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2012] [Revised: 10/11/2012] [Accepted: 10/17/2012] [Indexed: 12/15/2022]
Affiliation(s)
- Dan Wan
- Department of Chemistry and Institute of Biomedical Sciences; Fudan University; Shanghai China
| | - Mingxia Gao
- Department of Chemistry and Institute of Biomedical Sciences; Fudan University; Shanghai China
| | - Yuhua Wang
- Department of Chemistry and Institute of Biomedical Sciences; Fudan University; Shanghai China
| | - Peng Zhang
- Department of Chemistry and Institute of Biomedical Sciences; Fudan University; Shanghai China
| | - Xiangmin Zhang
- Department of Chemistry and Institute of Biomedical Sciences; Fudan University; Shanghai China
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Stockler-Pinto MB, Lobo J, Moraes C, Leal VO, Farage NE, Rocha AV, Boaventura GT, Cozzolino SM, Malm O, Mafra D. Effect of Brazil Nut Supplementation on Plasma Levels of Selenium in Hemodialysis Patients: 12 Months of Follow-up. J Ren Nutr 2012; 22:434-9. [DOI: 10.1053/j.jrn.2011.08.011] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2011] [Revised: 08/05/2011] [Accepted: 08/09/2011] [Indexed: 11/11/2022] Open
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Plasma aluminum is a risk factor for oxidative stress and inflammation status in hemodialysis patients. Clin Biochem 2011; 44:1309-14. [DOI: 10.1016/j.clinbiochem.2011.08.1132] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2011] [Revised: 08/11/2011] [Accepted: 08/14/2011] [Indexed: 12/22/2022]
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Huang KJ, Jing QS, Wei CY, Wu YY. Spectrofluorimetric determination of glutathione in human plasma by solid-phase extraction using graphene as adsorbent. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2011; 79:1860-1865. [PMID: 21684195 DOI: 10.1016/j.saa.2011.05.076] [Citation(s) in RCA: 50] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/31/2010] [Revised: 05/18/2011] [Accepted: 05/24/2011] [Indexed: 05/30/2023]
Abstract
An efficient solid phase extraction-spectrofluorimetric method using graphene as adsorbent was developed to sensitively determine glutathione (GSH) in biological samples. Fluorescent probe N-(4,4-difluoro-5,7-dimethyl-4-bora-3a,4a-diaza-s-indacene-3-yl)methyl)iodoacetamide (BODIPY Fl-C1-IA) was applied for the derivatization of GSH. The procedure was based on BODIPY Fl-C1-IA selective reaction with GSH to form highly fluorescent product BODIPY Fl-C1-IA-GSH, its extraction to the graphene-packed SPE cartridge and spectrofluorimetric determination. Some factors affecting the extraction efficiency, such as the type of the eluent and its volume, sample pH, extraction time, and sample volume were optimized. Comparative studies were also performed between graphene and other adsorbents including C18 silica, graphitic carbon, and multi-walled carbon nanotubes for the extraction of analyte. The calibration graph using the pretreatment system for GSH was linear over the range of 0.5-200 nM. The limit of detection was 0.01 nM (signal-to-noise ratio=3). Relative standard deviation for six replicate determinations of GSH at 80 nM concentration level was lower than 5.0%. The developed method was applied to the determination of GSH in human plasma with recoveries of 92-108%. This work revealed the great potentials of graphene as an excellent sorbent material in the analysis of biological samples.
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Affiliation(s)
- Ke-Jing Huang
- College of Chemistry and Chemical Engineering, Xinyang Normal University, Xinyang 464000, PR China.
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Huang KJ, Han CH, Wu YY, Han CQ, Niu DJ, Wu ZW, Xue YP. Development of a solid-phase extraction – spectrofluorimetric method for trace glutathione determination. CAN J CHEM 2011. [DOI: 10.1139/v11-006] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
A simple and efficient solid-phase extraction – spectrofluorimetric method has been developed to determine glutathione (GSH). Fluorescent probe N-(4,4-difluoro-5,7-dimethyl-4-bora-3a,4a-diaza-s-indacene-3-yl)methyl)iodoacetamide (BODIPY Fl-C1-IA) was used as the derivatization reagent. The procedure was based on a BODIPY Fl-C1-IA selective reaction with GSH to form the highly fluorescent product BODIPY Fl-C1-IA–GSH, using a solid-phase extraction column and spectrofluorimetric determination. The variables affecting analytical performance were studied and optimized. The calibration graph using the preconcentration system for GSH was linear over the range of 1–200 nmol/L with a limit of detection of 0.05 nmol/L (signal-to-noise ratio = 3). The relative standard deviation for six replicate determinations of GSH at the 100 nmol/L concentration level was 3.9%. The method was applied to water samples and average recoveries between 87.5% and 111.5% were obtained for spiked samples.
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Affiliation(s)
- Ke-Jing Huang
- College of Chemistry and Chemical Engineering, Xinyang Normal University, Xinyang 464000, P. R. China
- College of Chemistry and Chemical Engineering, Xuchang University, Xuchang 461000, P. R. China
| | - Cong-Hui Han
- College of Chemistry and Chemical Engineering, Xinyang Normal University, Xinyang 464000, P. R. China
- College of Chemistry and Chemical Engineering, Xuchang University, Xuchang 461000, P. R. China
| | - Ying-Ying Wu
- College of Chemistry and Chemical Engineering, Xinyang Normal University, Xinyang 464000, P. R. China
- College of Chemistry and Chemical Engineering, Xuchang University, Xuchang 461000, P. R. China
| | - Chao-Qun Han
- College of Chemistry and Chemical Engineering, Xinyang Normal University, Xinyang 464000, P. R. China
- College of Chemistry and Chemical Engineering, Xuchang University, Xuchang 461000, P. R. China
| | - De-Jun Niu
- College of Chemistry and Chemical Engineering, Xinyang Normal University, Xinyang 464000, P. R. China
- College of Chemistry and Chemical Engineering, Xuchang University, Xuchang 461000, P. R. China
| | - Zhi-Wei Wu
- College of Chemistry and Chemical Engineering, Xinyang Normal University, Xinyang 464000, P. R. China
- College of Chemistry and Chemical Engineering, Xuchang University, Xuchang 461000, P. R. China
| | - Ya-Ping Xue
- College of Chemistry and Chemical Engineering, Xinyang Normal University, Xinyang 464000, P. R. China
- College of Chemistry and Chemical Engineering, Xuchang University, Xuchang 461000, P. R. China
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Wilmer MJ, Kluijtmans LAJ, van der Velden TJ, Willems PH, Scheffer PG, Masereeuw R, Monnens LA, van den Heuvel LP, Levtchenko EN. Cysteamine restores glutathione redox status in cultured cystinotic proximal tubular epithelial cells. Biochim Biophys Acta Mol Basis Dis 2011; 1812:643-51. [PMID: 21371554 DOI: 10.1016/j.bbadis.2011.02.010] [Citation(s) in RCA: 72] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2010] [Revised: 01/28/2011] [Accepted: 02/22/2011] [Indexed: 11/28/2022]
Abstract
Recent evidence implies that impaired metabolism of glutathione has a role in the pathogenesis of nephropathic cystinosis. This recessive inherited disorder is characterized by lysosomal cystine accumulation and results in renal Fanconi syndrome progressing to end stage renal disease in the majority of patients. The most common treatment involves intracellular cystine depletion by cysteamine, delaying the development of end stage renal disease by a yet elusive mechanism. However, cystine depletion does not arrest the disease nor cures Fanconi syndrome in patients, indicating involvement of other yet unknown pathologic pathways. Using a newly developed proximal tubular epithelial cell model from cystinotic patients, we investigate the effect of cystine accumulation and cysteamine on both glutathione and ATP metabolism. In addition to the expected increase in cystine and defective sodium-dependent phosphate reabsorption, we observed less negative glutathione redox status and decreased intracellular ATP levels. No differences between control and cystinosis cell lines were observed with respect to protein turnover, albumin uptake, cytosolic and mitochondrial ATP production, total glutathione levels, protein oxidation and lipid peroxidation. Cysteamine treatment increased total glutathione in both control and cystinotic cells and normalized cystine levels and glutathione redox status in cystinotic cells. However, cysteamine did not improve decreased sodium-dependent phosphate uptake. Our data implicate that cysteamine increases total glutathione and restores glutathione redox status in cystinosis, which is a positive side-effect of this agent next to cystine depletion. This beneficial effect points to a potential role of cysteamine as anti-oxidant for other renal disorders associated with enhanced oxidative stress.
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Affiliation(s)
- Martijn J Wilmer
- Laboratory of Genetic Endocrine and Metabolic Diseases, Department of Laboratory Medicine, Radboud University Nijmegen Medical Centre, The Netherlands
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Stockler-Pinto M, Mafra D, Farage N, Boaventura G, Cozzolino S. Effect of Brazil nut supplementation on the blood levels of selenium and glutathione peroxidase in hemodialysis patients. Nutrition 2010; 26:1065-9. [DOI: 10.1016/j.nut.2009.08.006] [Citation(s) in RCA: 39] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2009] [Revised: 07/29/2009] [Accepted: 08/13/2009] [Indexed: 10/20/2022]
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Wilmer MJ, Emma F, Levtchenko EN. The pathogenesis of cystinosis: mechanisms beyond cystine accumulation. Am J Physiol Renal Physiol 2010; 299:F905-16. [PMID: 20826575 DOI: 10.1152/ajprenal.00318.2010] [Citation(s) in RCA: 77] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Renal proximal tubules are highly sensitive to ischemic and toxic insults and are affected in diverse genetic disorders, of which nephropathic cystinosis is the most common. The disease is caused by mutations in the CTNS gene, encoding the lysosomal cystine transporter cystinosin, and is characterized by accumulation of cystine in the lysosomes throughout the body. In the majority of the patients, this leads to generalized proximal tubular dysfunction (also called DeToni-Debré-Fanconi syndrome) in the first year and progressive renal failure during the first decade. Extrarenal organs are affected by cystinosis as well, with clinical symptoms manifesting mostly after 10 yr of age. The cystine-depleting agent cysteamine significantly improves life expectancy of patients with cystinosis, but offers no cure, pointing to the complexity of the disease mechanism. In this review, current knowledge on the pathogenesis of cystinosis is described and placed in perspective of future research.
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Affiliation(s)
- Martijn J Wilmer
- Dept. of Pediatric Nephrology, Univ. Hospitals Leuven, Herestraat 49, 3000 Leuven, Belgium
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Kim BS, Cha HN, Kim YW, Kim JY, Dan JM, Park SY. Inhibition of Lipid Infusion–Induced Skeletal Muscle Insulin Resistance by Cotreatment With Tempol and Glutathione in Mice. J Pharmacol Sci 2009; 110:370-80. [DOI: 10.1254/jphs.09046fp] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022] Open
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Sampathkumar R, Balasubramanyam M, Tara C, Rema M, Mohan V. Association of hypoglutathionemia with reduced Na+/K+ ATPase activity in type 2 diabetes and microangiopathy. Mol Cell Biochem 2006; 282:169-76. [PMID: 16317524 DOI: 10.1007/s11010-006-1740-9] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2005] [Accepted: 08/05/2005] [Indexed: 01/01/2023]
Abstract
OBJECTIVE Although recent studies link altered cellular redox state to protein dysfunction in various disease-states, such associations are least studied in clinical diabetes. Therefore, this study assessed the levels of reduced glutathione (GSH) and Na(+)/K(+) ATPase activities in type 2 diabetic patients with and without microangiopathy. METHODS The study group comprised of a total of 160 subjects, which included non-diabetic healthy controls (n = 40) and type 2 diabetic patients without (n = 60) and with microangiopathy (n = 60), defined as presence of retinopathy with or without nephropathy. Erythrocyte Na(+)/K(+) ATPase activity and GSH levels were estimated spectrophotometrically and fluorometry was used to determine the plasma thiobarbituric acid reactive substances (TBARS) and serum advanced glycation end products (AGEs). RESULTS GSH levels in diabetic subjects without (4.8+/- 0.15 mumol/g Hb) and with microangiopathy (5.2+/- 0.14 micromol/g Hb) were significantly lower (p < 0.001) compared to control subjects (6.3 +/- 0.14 mumol/g Hb). Erythrocyte Na(+)/K(+) ATPase activity was significantly reduced (p < 0.001) in diabetes subjects with (272 +/- 7 nmol Pi/mg protein/h) and without microangiopathy (304 +/- 8) compared to control (374 +/- 6) subjects. TBARS were significantly higher (p < 0.001) in diabetes subjects with (10.65 +/- 0.81 nM/ml) and without microangiopathy (9.90 +/- 0.5 nM/ml) compared to control subjects (5.18 +/- 0.18 nM/ml). Advanced glycation end product levels were also significantly (p < 0.001) elevated in diabetic subjects with microangiopathy (8.2+/- 1.8 AU) when compared to diabetes subjects without microangiopathy (7.0 +/- 2.0 AU) and control subjects (4.6 +/- 1.9 AU). On multivariate regression analysis, GSH levels showed a positive association with the Na(+)/K(+) ATPase activity and negative association with TBARS and AGE levels. CONCLUSION Hypoglutathionemia and increased oxidative stress appears to be early biochemical aberrations in diabetes, and through protein alterations, oxidative stress and redox modifications may contribute to pathogenesis of diabetic microangiopathy.
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Affiliation(s)
- Rangasamy Sampathkumar
- Madras Diabetes Research Foundation and Dr. Mohans' M.V. Diabetes Specialities Centre, Chennai, India
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Laube GF, Shah V, Stewart VC, Hargreaves IP, Haq MR, Heales SJR, van't Hoff WG. Glutathione depletion and increased apoptosis rate in human cystinotic proximal tubular cells. Pediatr Nephrol 2006; 21:503-9. [PMID: 16508773 DOI: 10.1007/s00467-006-0005-x] [Citation(s) in RCA: 48] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/22/2005] [Revised: 09/26/2005] [Accepted: 09/28/2005] [Indexed: 12/17/2022]
Abstract
We have determined levels of glutathione (GSH), ATP, mitochondrial complex activity and apoptosis rate in proximal tubular cells (PTCs) exfoliated from urine in cystinotic (n=9) and control (n=9) children. Intracellular GSH was significantly depleted in cystinotic PTCs compared with controls (6.8 nmol GSH/mg protein vs 11.8 nmol GSH/mg protein; P<0.001), but there were no significant differences in mitochondrial complex activities or ATP levels under basal conditions. Cystinotic PTCs showed significantly increased apoptosis rate. After PTCs had been stressed by hypoxia, there was further depletion of GSH in cystinotic and control PTCs (2.4 nmol GSH/mg protein vs 7.2 nmol GSH/mg protein; P<0.001). Hypoxic stress led to increased complex I and complex IV activities in control but not in cystinotic PTCs. ATP levels were significantly reduced in cystinotic PTCs after hypoxic stress (12.2 nmol/mg protein vs 26.9 nmol/mg protein; P<0.001). GSH depletion occurs in this in vitro model of cystinotic PTCs, is exaggerated by hypoxic stress and may contribute to reduced ATP and failure to increase complex I/IV activities. Apoptotic rate is also increased, and these mechanisms may contribute to cellular dysfunction in cultured, human cystinotic PTCs.
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Affiliation(s)
- Guido F Laube
- Nephro-urology Unit, Institute of Child Health, University College London Medical School, London, UK.
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Bouligand J, Deroussent A, Paci A, Morizet J, Vassal G. Liquid chromatography–tandem mass spectrometry assay of reduced and oxidized glutathione and main precursors in mice liver. J Chromatogr B Analyt Technol Biomed Life Sci 2006; 832:67-74. [PMID: 16434243 DOI: 10.1016/j.jchromb.2005.12.037] [Citation(s) in RCA: 53] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2005] [Accepted: 12/20/2005] [Indexed: 11/15/2022]
Abstract
A liquid chromatography/tandem mass spectrometry assay of glutathione (GSH), glutathione disulfide (GSSG) and of precursors (gamma-glutamyl-cysteine, cysteinyl-glycine, cysteine, cystine, homocysteine and homocystine) was developed to study glutathione synthesis in mice liver. After iodoacetic acid derivatization, the analytes were analyzed using reversed-phase gradient HPLC and detected using multiple reaction monitoring. Linear calibrations were performed over the concentrations range of 100-10,000 ng/mL for the thiol-containing precursors and extended up to 100,000 ng/mL for GSH and GSSG. The method was validated for each compound with inter-day accuracy below 11.9% and with precision below 15%. The method showed low limits of quantitation of 100 ng/mL for each thiol-containing compound and GSSG and of 200 ng/mL for other disulfides.
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Affiliation(s)
- Jérôme Bouligand
- UPRES EA3535 Pharmacology and New Cancer Treatments, Institute Gustave Roussy and Paris XI University, Villejuif, France
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Soldini D, Zwahlen H, Gabutti L, Marzo A, Marone C. Pharmacokinetics of N-acetylcysteine following repeated intravenous infusion in haemodialysed patients. Eur J Clin Pharmacol 2005; 60:859-64. [PMID: 15657783 DOI: 10.1007/s00228-004-0850-0] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2004] [Accepted: 09/23/2004] [Indexed: 10/25/2022]
Abstract
OBJECTIVE N-acetylcysteine (NAC) is a mucolytic agent with anti-oxidant properties. It might have potential positive effects in renal patients and, therefore, its pharmacokinetics and safety in haemodialysis was investigated. METHODS Twelve dialysis patients received 2 g NAC (10 ml NAC 20% solution i.v.) mixed with 500 ml saline during the first 3 h of the session for six dialysis sessions. A bolus of heparin was injected intravenously as LWH-heparin. In six patients, one session was repeated with NAC mixed with heparin and infused through the heparin pump. RESULTS Baseline NAC was on average 454 ng ml(-1); its concentration increased to 9,253 ng ml(-1) at the second infusion and attained a steady state between 14,000 ng ml(-1) and 17,000 ng ml(-1) at the fourth dose. We observed a C (max) of 53,458 ng ml(-1) with a t (max) of 3.0 h. Plasma clearance was 1.25 l h(-1) and dialytic clearance 5.52 l h(-1). No side effects were observed. CONCLUSION In the case of repeated doses, the NAC pre-dose concentration after repeated infusion of 2 g of the drug during the first 3 h of a dialysis session reached the steady state at the fourth infusion, without further accumulation. The dialytic clearance is effective, the total body clearance being reduced to 1.25 l h(-1). In dialysis patients, 2 g NAC given intravenously over 3 h is a safe dosage, with no short-term side effects.
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Affiliation(s)
- Davide Soldini
- Division of Nephrology, Ospedale Regionale di Bellinzona e Valli, 6500, Bellinzona (TI), Switzerland
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