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Is the urinary kidney injury molecule an optimum biomarker for early detection of obstructive nephropathy? Curr Urol 2022. [DOI: 10.1097/cu9.0000000000000065] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
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Renner O, Burkard M, Michels H, Vollbracht C, Sinnberg T, Venturelli S. Parenteral high‑dose ascorbate - A possible approach for the treatment of glioblastoma (Review). Int J Oncol 2021; 58:35. [PMID: 33955499 PMCID: PMC8104923 DOI: 10.3892/ijo.2021.5215] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2021] [Accepted: 04/05/2021] [Indexed: 12/14/2022] Open
Abstract
For glioblastoma, the treatment with standard of care therapy comprising resection, radiation, and temozolomide results in overall survival of approximately 14-18 months after initial diagnosis. Even though several new therapy approaches are under investigation, it is difficult to achieve life prolongation and/or improvement of patient's quality of life. The aggressiveness and progression of glioblastoma is initially orchestrated by the biological complexity of its genetic phenotype and ability to respond to cancer therapy via changing its molecular patterns, thereby developing resistance. Recent clinical studies of pharmacological ascorbate have demonstrated its safety and potential efficacy in different cancer entities regarding patient's quality of life and prolongation of survival. In this review article, the actual glioblastoma treatment possibilities are summarized, the evidence for pharmacological ascorbate in glioblastoma treatment is examined and questions are posed to identify current gaps of knowledge regarding accessibility of ascorbate to the tumor area. Experiments with glioblastoma cell lines and tumor xenografts have demonstrated that high-dose ascorbate induces cytotoxicity and oxidative stress largely selectively in malignant cells compared to normal cells suggesting ascorbate as a potential therapeutic agent. Further investigations in larger cohorts and randomized placebo-controlled trials should be performed to confirm these findings as well as to improve delivery strategies to the brain, through the inherent barriers and ultimately to the malignant cells.
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Affiliation(s)
- Olga Renner
- Department of Nutritional Biochemistry, University of Hohenheim, D‑70599 Stuttgart, Germany
| | - Markus Burkard
- Department of Nutritional Biochemistry, University of Hohenheim, D‑70599 Stuttgart, Germany
| | - Holger Michels
- Pascoe Pharmazeutische Praeparate GmbH, D‑35394 Giessen, Germany
| | | | - Tobias Sinnberg
- Department of Dermatology, University Hospital Tuebingen, D‑72076 Tuebingen, Germany
| | - Sascha Venturelli
- Department of Nutritional Biochemistry, University of Hohenheim, D‑70599 Stuttgart, Germany
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Wołyniec W, Kasprowicz K, Giebułtowicz J, Korytowska N, Zorena K, Bartoszewicz M, Rita-Tkachenko P, Renke M, Ratkowski W. Changes in Water Soluble Uremic Toxins and Urinary Acute Kidney Injury Biomarkers After 10- and 100-km Runs. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2019; 16:E4153. [PMID: 31661892 PMCID: PMC6862582 DOI: 10.3390/ijerph16214153] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/30/2019] [Revised: 10/22/2019] [Accepted: 10/25/2019] [Indexed: 12/24/2022]
Abstract
Acute kidney injury (AKI) is described as a relatively common complication of exercise. In clinical practice the diagnosis of AKI is based on serum creatinine, the level of which is dependent not only on glomerular filtration rate but also on muscle mass and injury. Therefore, the diagnosis of AKI is overestimated after physical exercise. The aim of this study was to determine changes in uremic toxins: creatinine, urea, uric acid, asymmetric dimethylarginine (ADMA), symmetric dimethylarginine (SDMA), trimethylamine N-oxide (TMAO) and urinary makers of AKI: albumin, neutrophil gelatinase-associated lipocalin (uNGAL), kidney injury molecule-1 and cystatin-C (uCyst-C) after long runs. Sixteen runners, mean age 36.7 ± 8.2 years, (2 women, 14 men) participating in 10- and 100-km races were studied. Blood and urine were taken before and after the races to assess markers of AKI. A statistically significant increase in creatinine, urea, uric acid, SDMA and all studied urinary AKI markers was observed. TMAO and ADMA levels did not change. The changes in studied markers seem to be a physiological reaction, because they were observed almost in every runner. The diagnosis of kidney failure after exercise is challenging. The most valuable novel markers which can help in post-exercise AKI diagnosis are uCyst-C and uNGAL.
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Affiliation(s)
- Wojciech Wołyniec
- Department of Occupational, Metabolic and Internal Medicine, Institute of Maritime and Tropical Medicine, Medical University of Gdańsk, 81-519 Gdynia, Poland.
| | - Katarzyna Kasprowicz
- Department of Biology, Ecology and Sports Medicine, Gdańsk University of Physical Education and Sport, 80-336 Gdańsk, Poland.
| | - Joanna Giebułtowicz
- Department of Bioanalysis and Drug Analysis, Faculty of Pharmacy, Medical University of Warsaw, 02-097 Warsaw, Poland.
| | - Natalia Korytowska
- Department of Bioanalysis and Drug Analysis, Faculty of Pharmacy, Medical University of Warsaw, 02-097 Warsaw, Poland.
| | - Katarzyna Zorena
- Department of Biology Ecology and Sport Medicine, Medical University of Gdańsk, 81-519 Gdynia, Poland.
| | - Maria Bartoszewicz
- Department of Biology Ecology and Sport Medicine, Medical University of Gdańsk, 81-519 Gdynia, Poland.
| | | | - Marcin Renke
- Department of Occupational, Metabolic and Internal Medicine, Institute of Maritime and Tropical Medicine, Medical University of Gdańsk, 81-519 Gdynia, Poland.
| | - Wojciech Ratkowski
- Department of Athletics, Department of Athletics, Gdańsk University of Physical Education and Sport, 80-336 Gdańsk, Poland.
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Barnett LMA, Cummings BS. Nephrotoxicity and Renal Pathophysiology: A Contemporary Perspective. Toxicol Sci 2019; 164:379-390. [PMID: 29939355 DOI: 10.1093/toxsci/kfy159] [Citation(s) in RCA: 110] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
The kidney consists of numerous cell types organized into the nephron, which is the basic functional unit of the kidney. Any stimuli that induce loss of these cells can induce kidney damage and renal failure. The cause of renal failure can be intrinsic or extrinsic. Extrinsic causes include cardiovascular disease, obesity, diabetes, sepsis, and lung and liver failure. Intrinsic causes include glomerular nephritis, polycystic kidney disease, renal fibrosis, tubular cell death, and stones. The kidney plays a prominent role in mediating the toxicity of numerous drugs, environmental pollutants and natural substances. Drugs known to be nephrotoxic include several cancer therapeutics, drugs of abuse, antibiotics, and radiocontrast agents. Environmental pollutants known to target the kidney include cadmium, mercury, arsenic, lead, trichloroethylene, bromate, brominated-flame retardants, diglycolic acid, and ethylene glycol. Natural nephrotoxicants include aristolochic acids and mycotoxins such as ochratoxin, fumonisin B1, and citrinin. There are several common characteristics between mechanisms of renal failure induced by nephrotoxicants and extrinsic causes. This common ground exists primarily due to similarities in the molecular mechanisms mediating renal cell death. This review summarizes the current state of the field of nephrotoxicity. It emphasizes integrating our understanding of nephrotoxicity with pathological-induced renal failure. Such approaches are needed to address major questions in the field, which include the diagnosis, prognosis and treatment of both acute and chronic renal failure, and the progression of acute kidney injury to chronic kidney disease.
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Affiliation(s)
| | - Brian S Cummings
- Interdisciplinary Toxicology Program.,Pharmaceutical and Biomedical Sciences, University of Georgia, Athens, Georgia 30602
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Bellés M, Gonzalo S, Serra N, Esplugas R, Arenas M, Domingo JL, Linares V. Environmental exposure to low-doses of ionizing radiation. Effects on early nephrotoxicity in mice. ENVIRONMENTAL RESEARCH 2017; 156:291-296. [PMID: 28371757 DOI: 10.1016/j.envres.2017.03.034] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/28/2017] [Revised: 03/22/2017] [Accepted: 03/23/2017] [Indexed: 06/07/2023]
Abstract
Nuclear accidents of tremendous magnitude, such as those of Chernobyl (1986) and Fukushima (2011), mean that individuals living in the contaminated areas are potentially exposed to ionizing radiation (IR). However, the dose-response relationship for effects of low doses of radiation is not still established. The present study was aimed at investigating in mice the early effects of low-dose internal radiation exposure on the kidney. Adult male (C57BL/6J) mice were divided into three groups. Two groups received a single subcutaneous (s.c.) doses of cesium (137Cs) with activities of 4000 and 8000Bq/kg bw. A third group (control group) received a single s.c. injection of 0.9% saline. To evaluate acute and subacute effects, mice (one-half of each group) were euthanized at 72h and 10 days post-exposure to 137Cs, respectively. Urine samples were collected for biochemical analysis, including the measurement of F2-isoprostane (F2-IsoP) and kidney injury molecule-1 (KIM-1) levels. Moreover, the concentrations of 8-hydroxy-2'-deoxyguanosine (8-OHdG), a sensitive marker of oxidative DNA damage, were measured in renal tissue. Urinary excretion of total protein significantly increased at 72h in mice exposed to Cs4000. Uric acid and lactate dehydrogenase (LDH) decreased significantly at both times post-exposure in animals exposed to Cs8000. After 72h and 10d of exposure to Cs4000, a significant increase in the γ-glutamil transferase (GGT) and N-acetyl-β-D-glucosaminidase (NAG) activities was observed. In turn, F2-IsoP levels increased -mainly in the Cs4000 group- at 72h post-exposure. Following irradiation (137Cs), the highest level of KIM-1 was corresponded to the Cs4000 group at 72h. Likewise, the main DNA damage was detected in mice exposed to Cs4000, mainly at 10d after irradiation. The alterations observed in several biomarkers suggest an immediate renal damage following exposure to low doses of IR (given as 137Cs). Further investigations are required to clarify the mechanisms involved in the internal IR-induced nephrotoxicity.
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Affiliation(s)
- Montserrat Bellés
- Physiology Unit, School of Medicine, IISPV, Rovira i Virgili University, Reus, Spain; Laboratory of Toxicology and Environmental Health, School of Medicine, IISPV, Rovira i Virgili University, Reus, Spain
| | - Sergio Gonzalo
- Laboratory of Toxicology and Environmental Health, School of Medicine, IISPV, Rovira i Virgili University, Reus, Spain
| | - Noemí Serra
- Laboratory of Toxicology and Environmental Health, School of Medicine, IISPV, Rovira i Virgili University, Reus, Spain
| | - Roser Esplugas
- Laboratory of Toxicology and Environmental Health, School of Medicine, IISPV, Rovira i Virgili University, Reus, Spain
| | - Meritxell Arenas
- Radiation Oncology Department, Sant Joan University Hospital, IISPV, Rovira i Virgili University, Reus, Spain
| | - José Luis Domingo
- Laboratory of Toxicology and Environmental Health, School of Medicine, IISPV, Rovira i Virgili University, Reus, Spain
| | - Victoria Linares
- Physiology Unit, School of Medicine, IISPV, Rovira i Virgili University, Reus, Spain; Laboratory of Toxicology and Environmental Health, School of Medicine, IISPV, Rovira i Virgili University, Reus, Spain.
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Prieto-García L, Pericacho M, Sancho-Martínez SM, Sánchez Á, Martínez-Salgado C, López-Novoa JM, López-Hernández FJ. Mechanisms of triple whammy acute kidney injury. Pharmacol Ther 2016; 167:132-145. [PMID: 27490717 DOI: 10.1016/j.pharmthera.2016.07.011] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2016] [Accepted: 07/16/2016] [Indexed: 12/26/2022]
Abstract
Pre-renal acute kidney injury (AKI) results from glomerular haemodynamic alterations leading to reduced glomerular filtration rate (GFR) with no parenchymal compromise. Renin-angiotensin system inhibitors, such as angiotensin-converting enzyme inhibitors (ACEIs), angiotensin receptor antagonists (ARAs), non-steroidal anti-inflammatory drugs (NSAIDs) and diuretics, are highly prescribed drugs that are frequently administered together. Double and triple associations have been correlated with increased pre-renal AKI incidence, termed "double whammy" and "triple whammy", respectively. This article presents an integrative analysis of the complex interplay among the effects of NSAIDs, ACEIs/ARAs and diuretics, acting alone and together in double and triple therapies. In addition, we explore how these drug combinations alter the equilibrium of regulatory mechanisms controlling blood pressure (renal perfusion pressure) and GFR to increase the odds of inducing AKI through the concomitant reduction of blood pressure and distortion of renal autoregulation. Using this knowledge, we propose a more general model of pre-renal AKI based on a multi whammy model, whereby several factors are necessary to effectively reduce net filtration. The triple whammy was the only model associated with pre-renal AKI accompanied by a course of other risk factors, among numerous potential combinations of clinical circumstances causing hypoperfusion in which renal autoregulation is not operative or is deregulated. These factors would uncouple the normal BP-GFR relationship, where lower GFR values are obtained at every BP value.
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Affiliation(s)
- Laura Prieto-García
- Instituto de Estudios de Ciencias de la Salud de Castilla y León-Instituto de Investigación Biomédica de Salamanca (IECSCYL-IBSAL), Paseo de San Vicente, 58-182 - Hospital Virgen Vega, Planta 10, 37007 Salamanca, Spain; Department of Physiology & Pharmacology, University of Salamanca, Salamanca, Spain; Instituto Reina Sofía de Investigación Nefrológica, Fundación Iñigo Álvarez de Toledo, Madrid, Spain; Group of Biomedical Research in Critical Care Medicine (BioCritic), Hospital Clínico Universitario de Valladolid, Valladolid, Spain; Group of Theranostics for Renal and Cardiovascular Diseases (TERCARD), Edificio Departamental, Campus Miguel de Unamuno, Salamanca, Spain
| | - Miguel Pericacho
- Instituto de Estudios de Ciencias de la Salud de Castilla y León-Instituto de Investigación Biomédica de Salamanca (IECSCYL-IBSAL), Paseo de San Vicente, 58-182 - Hospital Virgen Vega, Planta 10, 37007 Salamanca, Spain; Department of Physiology & Pharmacology, University of Salamanca, Salamanca, Spain; Instituto Reina Sofía de Investigación Nefrológica, Fundación Iñigo Álvarez de Toledo, Madrid, Spain
| | - Sandra M Sancho-Martínez
- Department of Physiology & Pharmacology, University of Salamanca, Salamanca, Spain; Instituto Reina Sofía de Investigación Nefrológica, Fundación Iñigo Álvarez de Toledo, Madrid, Spain; Group of Biomedical Research in Critical Care Medicine (BioCritic), Hospital Clínico Universitario de Valladolid, Valladolid, Spain; Group of Theranostics for Renal and Cardiovascular Diseases (TERCARD), Edificio Departamental, Campus Miguel de Unamuno, Salamanca, Spain
| | - Ángel Sánchez
- Instituto de Estudios de Ciencias de la Salud de Castilla y León-Instituto de Investigación Biomédica de Salamanca (IECSCYL-IBSAL), Paseo de San Vicente, 58-182 - Hospital Virgen Vega, Planta 10, 37007 Salamanca, Spain; Hospital Universitario de Salamanca, Unidad de Hipertensión, Salamanca, Spain
| | - Carlos Martínez-Salgado
- Instituto de Estudios de Ciencias de la Salud de Castilla y León-Instituto de Investigación Biomédica de Salamanca (IECSCYL-IBSAL), Paseo de San Vicente, 58-182 - Hospital Virgen Vega, Planta 10, 37007 Salamanca, Spain; Department of Physiology & Pharmacology, University of Salamanca, Salamanca, Spain; Instituto Reina Sofía de Investigación Nefrológica, Fundación Iñigo Álvarez de Toledo, Madrid, Spain; Group of Biomedical Research in Critical Care Medicine (BioCritic), Hospital Clínico Universitario de Valladolid, Valladolid, Spain; Group of Theranostics for Renal and Cardiovascular Diseases (TERCARD), Edificio Departamental, Campus Miguel de Unamuno, Salamanca, Spain
| | - José Miguel López-Novoa
- Instituto de Estudios de Ciencias de la Salud de Castilla y León-Instituto de Investigación Biomédica de Salamanca (IECSCYL-IBSAL), Paseo de San Vicente, 58-182 - Hospital Virgen Vega, Planta 10, 37007 Salamanca, Spain; Department of Physiology & Pharmacology, University of Salamanca, Salamanca, Spain; Instituto Reina Sofía de Investigación Nefrológica, Fundación Iñigo Álvarez de Toledo, Madrid, Spain; Group of Biomedical Research in Critical Care Medicine (BioCritic), Hospital Clínico Universitario de Valladolid, Valladolid, Spain; Group of Theranostics for Renal and Cardiovascular Diseases (TERCARD), Edificio Departamental, Campus Miguel de Unamuno, Salamanca, Spain
| | - Francisco J López-Hernández
- Instituto de Estudios de Ciencias de la Salud de Castilla y León-Instituto de Investigación Biomédica de Salamanca (IECSCYL-IBSAL), Paseo de San Vicente, 58-182 - Hospital Virgen Vega, Planta 10, 37007 Salamanca, Spain; Department of Physiology & Pharmacology, University of Salamanca, Salamanca, Spain; Instituto Reina Sofía de Investigación Nefrológica, Fundación Iñigo Álvarez de Toledo, Madrid, Spain; Group of Biomedical Research in Critical Care Medicine (BioCritic), Hospital Clínico Universitario de Valladolid, Valladolid, Spain; Group of Theranostics for Renal and Cardiovascular Diseases (TERCARD), Edificio Departamental, Campus Miguel de Unamuno, Salamanca, Spain.
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M. Sancho-Martínez S, Prieto L, Blanco-Gozalo V, Fontecha-Barriuso M, Vicente-Vicente L, G. Casanova A, Prieto M, Pescador M, I. Morales A, M. López-Novoa J, Martínez-Salgado C, J. López-Hernández F. Acute tubular necrosis: An old term in search for a new meaning within the evolving concept of acute kidney injury. ACTA ACUST UNITED AC 2015. [DOI: 10.1016/j.nhtm.2015.05.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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Shahbazi F, Sadighi S, Dashti-Khavidaki S, Shahi F, Mirzania M, Abdollahi A, Ghahremani MH. Effect of Silymarin Administration on Cisplatin Nephrotoxicity: Report from A Pilot, Randomized, Double-Blinded, Placebo-Controlled Clinical Trial. Phytother Res 2015; 29:1046-53. [PMID: 25857366 DOI: 10.1002/ptr.5345] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2014] [Revised: 02/07/2015] [Accepted: 03/11/2015] [Indexed: 12/22/2022]
Abstract
Despite several introduced preventive modalities, cisplatin nephrotoxicity remains a clinical problem. Some in vitro and in vivo studies have addressed the protective effects of silymarin against cisplatin nephrotoxicity. This study evaluated the effects of silymarin administration on cisplatin nephrotoxicity as the first human study. During this pilot, randomized, double-blinded, placebo-controlled clinical trial, the effect of oral silymarin 420 mg daily in three divided doses starting 24-48 h before the initiation of cisplatin infusion and continuing to the end of three 21-day cisplatin-containing chemotherapy courses on cisplatin-induced renal electrolytes wasting and kidney function were assessed. Cisplatin-associated acute kidney injury (AKI) occurred in 8% of the patients. Urine neutrophil gelatinase-associated lipocalin to urine creatinine ratio (NGAL/Cr) and urinary magnesium and potassium wasting increased significantly after cisplatin infusion in both groups. Significant positive correlation was found between cumulative dose of cisplatin and urine NGAL/Cr after three courses of cisplatin infusion. Incidence of AKI and the magnitude of urinary magnesium and potassium wasting did not differ between silymarin and placebo groups. No adverse reaction was reported by silymarin administration. Prophylactic administration of conventional form of silymarin tablets could not prevent cisplatin-induced urine electrolyte wasting or renal function impairment.
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Affiliation(s)
- Foroud Shahbazi
- Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
| | - Sanambar Sadighi
- Cancer Institute, Tehran University of Medical Sciences, Tehran, Iran
| | | | - Farhad Shahi
- Cancer Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Mehrzad Mirzania
- Cancer Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Alireza Abdollahi
- Vali-e-Asr Hospital, Tehran University of Medical Sciences, Tehran, Iran
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