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Kudo A, Osedo H, Aisyah R, Yazawa N, Saliu TP, Miyata K, Kumrungsee T, Yanaka N. Serum Amyloid A3 Promoter-Luciferase Reporter Mice Are Useful for Early Drug-Induced Nephrotoxicity Detection. Int J Mol Sci 2024; 25:5124. [PMID: 38791162 PMCID: PMC11120996 DOI: 10.3390/ijms25105124] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2024] [Revised: 04/27/2024] [Accepted: 05/06/2024] [Indexed: 05/26/2024] Open
Abstract
Early detection of drug-induced kidney injury is essential for drug development. In this study, multiple low-dose aristolochic acid (AA) and cisplatin (Cis) injections increased renal mRNA levels of inflammation, fibrosis, and renal tubule injury markers. We applied a serum amyloid A3 (Saa3) promoter-driven luciferase reporter (Saa3 promoter-luc mice) to these two tubulointerstitial nephritis models and performed in vivo bioluminescence imaging to monitor early renal pathologies. The bioluminescent signals from renal tissues with AA or CIS injections were stronger than those from normal kidney tissues obtained from normal mice. To verify whether the visualized bioluminescence signal was specifically generated by the injured kidney, we performed in vivo bioluminescence analysis after opening the stomachs of Saa3 promoter-luc mice, and the Saa3-mediated bioluminescent signal was specifically detected in the injured kidney. This study showed that Saa3 promoter activity is a potent non-invasive indicator for the early detection of drug-induced nephrotoxicity.
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Affiliation(s)
| | | | | | | | | | | | | | - Noriyuki Yanaka
- Graduate School of Integrated Sciences for Life, Hiroshima University, Hiroshima 739-8528, Japan (T.P.S.)
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Lee B, Kim YY, Jeong S, Lee SW, Lee SJ, Rho MC, Kim SH, Lee S. Oleanolic Acid Acetate Alleviates Cisplatin-Induced Nephrotoxicity via Inhibition of Apoptosis and Necroptosis In Vitro and In Vivo. TOXICS 2024; 12:301. [PMID: 38668524 PMCID: PMC11054587 DOI: 10.3390/toxics12040301] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/14/2024] [Revised: 04/12/2024] [Accepted: 04/16/2024] [Indexed: 04/29/2024]
Abstract
Cisplatin is a widely used anti-cancer drug for treating solid tumors, but it is associated with severe side effects, including nephrotoxicity. Various studies have suggested that the nephrotoxicity of cisplatin could be overcome; nonetheless, an effective adjuvant drug has not yet been established. Oleanolic acid acetate (OAA), a triterpenoid isolated from Vigna angularis, is commonly used to treat inflammatory and allergic diseases. This study aimed to investigate the protective effects of OAA against cisplatin-induced apoptosis and necroptosis using TCMK-1 cells and a mouse model. In cisplatin-treated TCMK-1 cells, OAA treatment significantly reduced Bax and cleaved-caspase3 expression, whereas it increased Bcl-2 expression. Moreover, in a cisplatin-induced kidney injury mouse model, OAA treatment alleviated weight loss in the body and major organs and also relieved cisplatin-induced nephrotoxicity symptoms. RNA sequencing analysis of kidney tissues identified lipocalin-2 as the most upregulated gene by cisplatin. Additionally, necroptosis-related genes such as receptor-interacting protein kinase (RIPK) and mixed lineage kinase domain-like (MLKL) were identified. In an in vitro study, the phosphorylation of RIPKs and MLKL was reduced by OAA pretreatment in both cisplatin-treated cells and cells boosted via co-treatment with z-VAD-FMK. In conclusion, OAA could protect the kidney from cisplatin-induced nephrotoxicity and may serve as an anti-cancer adjuvant.
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Affiliation(s)
- Bori Lee
- Functional Biomaterials Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Jeongeup 56212, Republic of Korea; (B.L.); (Y.-Y.K.); (S.J.); (S.W.L.); (S.-J.L.); (M.-C.R.)
| | - Yeon-Yong Kim
- Functional Biomaterials Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Jeongeup 56212, Republic of Korea; (B.L.); (Y.-Y.K.); (S.J.); (S.W.L.); (S.-J.L.); (M.-C.R.)
| | - Seungwon Jeong
- Functional Biomaterials Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Jeongeup 56212, Republic of Korea; (B.L.); (Y.-Y.K.); (S.J.); (S.W.L.); (S.-J.L.); (M.-C.R.)
| | - Seung Woong Lee
- Functional Biomaterials Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Jeongeup 56212, Republic of Korea; (B.L.); (Y.-Y.K.); (S.J.); (S.W.L.); (S.-J.L.); (M.-C.R.)
| | - Seung-Jae Lee
- Functional Biomaterials Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Jeongeup 56212, Republic of Korea; (B.L.); (Y.-Y.K.); (S.J.); (S.W.L.); (S.-J.L.); (M.-C.R.)
| | - Mun-Chual Rho
- Functional Biomaterials Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Jeongeup 56212, Republic of Korea; (B.L.); (Y.-Y.K.); (S.J.); (S.W.L.); (S.-J.L.); (M.-C.R.)
| | - Sang-Hyun Kim
- Cell and Matrix Research Institute, Department of Pharmacology, School of Medicine, Kyungpook National University, Daegu 41944, Republic of Korea
| | - Soyoung Lee
- Functional Biomaterials Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Jeongeup 56212, Republic of Korea; (B.L.); (Y.-Y.K.); (S.J.); (S.W.L.); (S.-J.L.); (M.-C.R.)
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Meng HH, Liu WY, Zhao WL, Zheng Q, Wang JS. Study on the acute toxicity of trichlorfon and its breakdown product dichlorvos to goldfish (Carassius auratus) based on 1H NMR metabonomics. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:125664-125676. [PMID: 38001290 DOI: 10.1007/s11356-023-31012-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/26/2022] [Accepted: 11/07/2023] [Indexed: 11/26/2023]
Abstract
Trichlorfon, one of the most widely used organophosphate insecticides, is commonly employed in aquaculture and agriculture to combat parasitic infestations. However, its inherent instability leads to rapid decomposition into dichlorvos (DDVP), increasing its toxicity by eightfold. Therefore, the environmental effects of trichlorfon in real-world scenarios involve the combined effects of trichlorfon and its degradation product, DDVP. In this study, we systematically investigated the degradation of trichlorfon in tap water over time using HPLC and LC-MS/MS analysis. Subsequently, an experiment was conducted to assess the acute toxicity of trichlorfon and DDVP on goldfish (Carassius auratus), employing a 1H NMR-based metabolic approach in conjunction with serum biochemistry, histopathological inspection, and correlation network analysis. Exposure to trichlorfon and its degradation product DDVP leads to increased lipid peroxidation, reduced antioxidant activity, and severe hepatotoxicity and nephrotoxicity in goldfish. Based on the observed pathological changes and metabolite alterations, short-term exposure to trichlorfon significantly affected the liver and kidney functions of goldfish, while exerting minimal influence on the brain, potentially due to the presence of the blood-brain barrier. The changes in the metabolic profile indicated that trichlorfon and DDVP influenced several pathways, including oxidative stress, protein synthesis, energy metabolism, and nucleic acid metabolism. This study demonstrated the applicability and potential of 1H NMR-based metabonomics in pesticide environmental risk assessment, providing a feasible method for the comprehensive study of pesticide toxicity in water environments.
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Affiliation(s)
- Hui-Hui Meng
- Center of Molecular Metabolism, Nanjing University of Science and Technology, 200 Xiaolingwei Street, Nanjing, 210094, China
| | - Wen-Ya Liu
- Center of Molecular Metabolism, Nanjing University of Science and Technology, 200 Xiaolingwei Street, Nanjing, 210094, China
| | - Wen-Long Zhao
- Center of Molecular Metabolism, Nanjing University of Science and Technology, 200 Xiaolingwei Street, Nanjing, 210094, China
| | - Qi Zheng
- Center of Molecular Metabolism, Nanjing University of Science and Technology, 200 Xiaolingwei Street, Nanjing, 210094, China
| | - Jun-Song Wang
- Center of Molecular Metabolism, Nanjing University of Science and Technology, 200 Xiaolingwei Street, Nanjing, 210094, China.
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Campbell RE, Chen CH, Edelstein CL. Overview of Antibiotic-Induced Nephrotoxicity. Kidney Int Rep 2023; 8:2211-2225. [PMID: 38025228 PMCID: PMC10658282 DOI: 10.1016/j.ekir.2023.08.031] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2023] [Revised: 08/14/2023] [Accepted: 08/21/2023] [Indexed: 12/01/2023] Open
Abstract
Drug-induced nephrotoxicity accounts for up to 60% of cases of acute kidney injury (AKI) in hospitalized patients and is associated with increased morbidity and mortality in both adults and children. Antibiotics are one of the most common causes of drug-induced nephrotoxicity. Mechanisms of antibiotic-induced nephrotoxicity include glomerular injury, tubular injury or dysfunction, distal tubular obstruction from casts, and acute interstitial nephritis (AIN) mediated by a type IV (delayed-type) hypersensitivity response. Clinical manifestations of antibiotic-induced nephrotoxicity include acute tubular necrosis (ATN), AIN, and Fanconi syndrome. Given the potential nephrotoxic effects of antibiotics on critically ill patients, the use of novel biomarkers can provide information to optimize dosing and duration of treatment and can help prevent nephrotoxicity when traditional markers, such as creatinine, are unreliable. Use of novel kidney specific biomarkers, such as cystatin C and urinary kidney injury molecule-1 (KIM-1), may result in earlier detection of AKI, dose adjustment, or discontinuation of antibiotic and development of nonnephrotoxic antibiotics.
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Affiliation(s)
- Ruth E. Campbell
- Division of Renal Diseases and Hypertension, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA
| | - Chang Huei Chen
- Division of Renal Diseases and Hypertension, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA
| | - Charles L. Edelstein
- Division of Renal Diseases and Hypertension, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA
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Yen NTH, Phat NK, Oh JH, Park SM, Moon KS, Thu VTA, Cho YS, Shin JG, Long NP, Kim DH. Pathway-level multi-omics analysis of the molecular mechanisms underlying the toxicity of long-term tacrolimus exposure. Toxicol Appl Pharmacol 2023; 473:116597. [PMID: 37321324 DOI: 10.1016/j.taap.2023.116597] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2022] [Revised: 06/07/2023] [Accepted: 06/09/2023] [Indexed: 06/17/2023]
Abstract
Tacrolimus (TAC)-based treatment is associated with nephrotoxicity and hepatotoxicity; however, the underlying molecular mechanisms responsible for this toxicity have not been fully explored. This study elucidated the molecular processes underlying the toxic effects of TAC using an integrative omics approach. Rats were sacrificed after 4 weeks of daily oral TAC administration at a dose of 5 mg/kg. The liver and kidney underwent genome-wide gene expression profiling and untargeted metabolomics assays. Molecular alterations were identified using individual data profiling modalities and further characterized by pathway-level transcriptomics-metabolomics integration analysis. Metabolic disturbances were mainly related to an imbalance in oxidant-antioxidant status, as well as in lipid and amino acid metabolism in the liver and kidney. Gene expression profiles also indicated profound molecular alterations, including in genes associated with a dysregulated immune response, proinflammatory signals, and programmed cell death in the liver and kidney. Joint-pathway analysis indicated that the toxicity of TAC was associated with DNA synthesis disruption, oxidative stress, and cell membrane permeabilization, as well as lipid and glucose metabolism. In conclusion, our pathway-level integration of transcriptome and metabolome and conventional analyses of individual omics profiles, provided a more comprehensive picture of the molecular changes resulting from TAC toxicity. This study also serves as a valuable resource for subsequent investigations aiming to understand the mechanism underlying the molecular toxicology of TAC.
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Affiliation(s)
- Nguyen Thi Hai Yen
- Department of Pharmacology and PharmacoGenomics Research Center, Inje University College of Medicine, Busan 47392, Republic of Korea
| | - Nguyen Ky Phat
- Department of Pharmacology and PharmacoGenomics Research Center, Inje University College of Medicine, Busan 47392, Republic of Korea
| | - Jung-Hwa Oh
- Korea Institute of Toxicology, Daejeon 34114, Republic of Korea
| | - Se-Myo Park
- Korea Institute of Toxicology, Daejeon 34114, Republic of Korea
| | - Kyoung-Sik Moon
- Korea Institute of Toxicology, Daejeon 34114, Republic of Korea
| | - Vo Thuy Anh Thu
- Department of Pharmacology and PharmacoGenomics Research Center, Inje University College of Medicine, Busan 47392, Republic of Korea
| | - Yong-Soon Cho
- Department of Pharmacology and PharmacoGenomics Research Center, Inje University College of Medicine, Busan 47392, Republic of Korea; Center for Personalized Precision Medicine of Tuberculosis, Inje University College of Medicine, Busan 47392, Republic of Korea
| | - Jae-Gook Shin
- Department of Pharmacology and PharmacoGenomics Research Center, Inje University College of Medicine, Busan 47392, Republic of Korea; Center for Personalized Precision Medicine of Tuberculosis, Inje University College of Medicine, Busan 47392, Republic of Korea
| | - Nguyen Phuoc Long
- Department of Pharmacology and PharmacoGenomics Research Center, Inje University College of Medicine, Busan 47392, Republic of Korea; Center for Personalized Precision Medicine of Tuberculosis, Inje University College of Medicine, Busan 47392, Republic of Korea.
| | - Dong Hyun Kim
- Department of Pharmacology and PharmacoGenomics Research Center, Inje University College of Medicine, Busan 47392, Republic of Korea.
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Taha K, Sharma A, Kroeker K, Ross C, Carleton B, Wishart D, Medeiros M, Blydt-Hansen TD. Noninvasive testing for mycophenolate exposure in children with renal transplant using urinary metabolomics. Pediatr Transplant 2022; 27:e14460. [PMID: 36582125 DOI: 10.1111/petr.14460] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/03/2021] [Revised: 09/11/2022] [Accepted: 11/18/2022] [Indexed: 12/31/2022]
Abstract
BACKGROUND Despite the common use of mycophenolate in pediatric renal transplantation, lack of effective therapeuic drug monitoring increases uncertainty over optimal drug exposure and risk for adverse reactions. This study aims to develop a novel urine test to estimate MPA exposure based using metabolomics. METHODS Urine samples obtained on the same day of MPA pharmacokinetic testing from two prospective cohorts of pediatric kidney transplant recipients were assayed for 133 unique metabolites by mass spectrometry. Partial least squares (PLS) discriminate analysis was used to develop a top 10 urinary metabolite classifier that estimates MPA exposure. An independent cohort was used to test pharmacodynamic validity for allograft inflammation (urinary CXCL10 levels) and eGFR ratio (12mo/1mo eGFR) at 1 year. RESULTS Fifty-two urine samples from separate children (36.5% female, 12.0 ± 5.3 years at transplant) were evaluated at 1.6 ± 2.5 years post-transplant. Using all detected metabolites (n = 90), the classifier exhibited strong association with MPA AUC by principal component regression (r = 0.56, p < .001) and PLS (r = 0.75, p < .001). A practical classifier (top 10 metabolites; r = 0.64, p < .001) retained similar accuracy after cross-validation (LOOCV; r = 0.52, p < .001). When applied to an independent cohort (n = 97 patients, 1053 samples), estimated mean MPA exposure over Year 1 was inversely associated with mean urinary CXCL10:Cr (r = -0.28, 95% CI -0.45, -0.08) and exhibited a trend for association with eGFR ratio (r = 0.35, p = .07), over the same time period. CONCLUSIONS This urinary metabolite classifier can estimate MPA exposure and correlates with allograft inflammation. Future studies with larger samples are required to validate and evaluate its clinical application.
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Affiliation(s)
- Khalid Taha
- Department of Pediatrics, University of British Columbia, BC Children's Hospital Vancouver, Vancouver, British Columbia, Canada
| | - Atul Sharma
- Department of Pediatrics and Child Health, University of Manitoba, Children's Hospital at Health Sciences Center, Winnipeg, Manitoba, Canada
| | - Kristine Kroeker
- Centre for Healthcare Innovation, University of Manitoba, Winnipeg, Manitoba, Canada
| | - Colin Ross
- Faculty of Pharmaceutical Sciences, University of British Columbia, BC Children's Hospital Vancouver, Vancouver, British Columbia, Canada
| | - Bruce Carleton
- Department of Pediatrics, University of British Columbia, BC Children's Hospital Vancouver, Vancouver, British Columbia, Canada
| | - David Wishart
- Departments of Computing Science and Biological Sciences, University of Alberta, Edmonton, Alberta, Canada
| | - Mara Medeiros
- Departamento de Farmacología, Facultad de Medicina, Universidad Nacional Autónoma de México, Ciudad de México, Mexico
| | - Tom D Blydt-Hansen
- Department of Pediatrics, University of British Columbia, BC Children's Hospital Vancouver, Vancouver, British Columbia, Canada
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Mally A, Jarzina S. Mapping Adverse Outcome Pathways for Kidney Injury as a Basis for the Development of Mechanism-Based Animal-Sparing Approaches to Assessment of Nephrotoxicity. FRONTIERS IN TOXICOLOGY 2022; 4:863643. [PMID: 35785263 PMCID: PMC9242087 DOI: 10.3389/ftox.2022.863643] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2022] [Accepted: 03/11/2022] [Indexed: 02/04/2023] Open
Abstract
In line with recent OECD activities on the use of AOPs in developing Integrated Approaches to Testing and Assessment (IATAs), it is expected that systematic mapping of AOPs leading to systemic toxicity may provide a mechanistic framework for the development and implementation of mechanism-based in vitro endpoints. These may form part of an integrated testing strategy to reduce the need for repeated dose toxicity studies. Focusing on kidney and in particular the proximal tubule epithelium as a key target site of chemical-induced injury, the overall aim of this work is to contribute to building a network of AOPs leading to nephrotoxicity. Current mechanistic understanding of kidney injury initiated by 1) inhibition of mitochondrial DNA polymerase γ (mtDNA Polγ), 2) receptor mediated endocytosis and lysosomal overload, and 3) covalent protein binding, which all present fairly well established, common mechanisms by which certain chemicals or drugs may cause nephrotoxicity, is presented and systematically captured in a formal description of AOPs in line with the OECD AOP development programme and in accordance with the harmonized terminology provided by the Collaborative Adverse Outcome Pathway Wiki. The relative level of confidence in the established AOPs is assessed based on evolved Bradford-Hill weight of evidence considerations of biological plausibility, essentiality and empirical support (temporal and dose-response concordance).
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Tan H, Chen J, Li Y, Li Y, Zhong Y, Li G, Liu L, Li Y. Glabridin, a bioactive component of licorice, ameliorates diabetic nephropathy by regulating ferroptosis and the VEGF/Akt/ERK pathways. Mol Med 2022; 28:58. [PMID: 35596156 PMCID: PMC9123664 DOI: 10.1186/s10020-022-00481-w] [Citation(s) in RCA: 48] [Impact Index Per Article: 24.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2021] [Accepted: 04/19/2022] [Indexed: 12/20/2022] Open
Abstract
Background Glabridin (Glab) is a bioactive component of licorice that can ameliorate diabetes, but its role in diabetic nephropathy (DN) has seldom been reported. Herein, we explored the effect and underlying mechanism of Glab on DN. Methods The bioactive component-target network of licorice against DN was by a network pharmacology approach. The protective effect of Glab on the kidney was investigated by a high-fat diet with streptozotocin induced-diabetic rat model. High glucose-induced NRK-52E cells were used for in vitro studies. The effects of Glab on ferroptosis and VEGF/Akt/ERK pathways in DN were investigated in vivo and in vitro using qRT-PCR, WB, and IHC experiments. Results Bioinformatics analysis constructed a network comprising of 10 bioactive components of licorice and 40 targets for DN. 13 matching targets of Glab were mainly involved in the VEGF signaling pathway. Glab treatment ameliorated general states and reduced FBG, HOMA-β, and HOMA-insulin index of diabetic rats. The renal pathological changes and the impaired renal function (the increased levels of Scr, BUN, UREA, KIM-1, NGAL, and TIMP-1) were also improved by Glab. Moreover, Glab repressed ferroptosis by increasing SOD and GSH activity, and GPX4, SLC7A11, and SLC3A2 expression, and decreasing MDA and iron concentrations, and TFR1 expression, in vivo and in vitro. Mechanically, Glab significantly suppressed VEGF, p-AKT, p-ERK1/2 expression in both diabetic rats and HG-induced NRK-52E cells. Conclusions This study revealed protective effects of Glab on the kidney of diabetic rats, which might exert by suppressing ferroptosis and the VEGF/Akt/ERK pathway.
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Affiliation(s)
- Hongtao Tan
- Department of Traditional Chinese Medicine, Huizhou Municipal Central Hospital, Huicheng District, No. 41 Eling North Road, Huizhou, 516000, Guangdong, China
| | - Junxian Chen
- The First College of Clinical Medicine, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Yicong Li
- Department of Traditional Chinese Medicine, Huizhou Municipal Central Hospital, Huicheng District, No. 41 Eling North Road, Huizhou, 516000, Guangdong, China
| | - Yingshan Li
- Department of Traditional Chinese Medicine, Huizhou Municipal Central Hospital, Huicheng District, No. 41 Eling North Road, Huizhou, 516000, Guangdong, China
| | - Yunchang Zhong
- Department of Traditional Chinese Medicine, Huizhou Municipal Central Hospital, Huicheng District, No. 41 Eling North Road, Huizhou, 516000, Guangdong, China
| | - Guangzhao Li
- Department of Traditional Chinese Medicine, Huizhou Municipal Central Hospital, Huicheng District, No. 41 Eling North Road, Huizhou, 516000, Guangdong, China
| | - Lingling Liu
- Department of Traditional Chinese Medicine, Huizhou Municipal Central Hospital, Huicheng District, No. 41 Eling North Road, Huizhou, 516000, Guangdong, China.
| | - Yiqun Li
- Department of Traditional Chinese Medicine, Huizhou Municipal Central Hospital, Huicheng District, No. 41 Eling North Road, Huizhou, 516000, Guangdong, China.
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Bejoy J, Qian ES, Woodard LE. Tissue Culture Models of AKI: From Tubule Cells to Human Kidney Organoids. J Am Soc Nephrol 2022; 33:487-501. [PMID: 35031569 PMCID: PMC8975068 DOI: 10.1681/asn.2021050693] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022] Open
Abstract
AKI affects approximately 13.3 million people around the world each year, causing CKD and/or mortality. The mammalian kidney cannot generate new nephrons after postnatal renal damage and regenerative therapies for AKI are not available. Human kidney tissue culture systems can complement animal models of AKI and/or address some of their limitations. Donor-derived somatic cells, such as renal tubule epithelial cells or cell lines (RPTEC/hTERT, ciPTEC, HK-2, Nki-2, and CIHP-1), have been used for decades to permit drug toxicity screening and studies into potential AKI mechanisms. However, tubule cell lines do not fully recapitulate tubular epithelial cell properties in situ when grown under classic tissue culture conditions. Improving tissue culture models of AKI would increase our understanding of the mechanisms, leading to new therapeutics. Human pluripotent stem cells (hPSCs) can be differentiated into kidney organoids and various renal cell types. Injury to human kidney organoids results in renal cell-type crosstalk and upregulation of kidney injury biomarkers that are difficult to induce in primary tubule cell cultures. However, current protocols produce kidney organoids that are not mature and contain off-target cell types. Promising bioengineering techniques, such as bioprinting and "kidney-on-a-chip" methods, as applied to kidney nephrotoxicity modeling advantages and limitations are discussed. This review explores the mechanisms and detection of AKI in tissue culture, with an emphasis on bioengineered approaches such as human kidney organoid models.
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Affiliation(s)
- Julie Bejoy
- Department of Medicine, Vanderbilt University Medical Center, Nashville, Tennessee
| | - Eddie S. Qian
- Department of Medicine, Vanderbilt University Medical Center, Nashville, Tennessee
| | - Lauren E. Woodard
- Department of Medicine, Vanderbilt University Medical Center, Nashville, Tennessee,Department of Veterans Affairs, Tennessee Valley Healthcare System, Nashville, Tennessee,Department of Biomedical Engineering, Vanderbilt University, Nashville, Tennessee
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Hamlin DM, Schultze AE, Coyne MJ, McCrann DJ, Mack R, Drake C, Murphy RE, Cross J, Strong-Townsend M, Yerramilli M, Leissinger MK. Evaluation of Renal Biomarkers, Including Symmetric Dimethylarginine, following Gentamicin-Induced Proximal Tubular Injury in the Rat. KIDNEY360 2021; 3:341-356. [PMID: 35373128 PMCID: PMC8967625 DOI: 10.34067/kid.0006542020] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/10/2020] [Accepted: 12/03/2021] [Indexed: 01/10/2023]
Abstract
Symmetric dimethylarginine (SDMA) is an excretory renal function biomarker shown to correlate well with glomerular filtration rate in dogs, cats, humans, and rats. The objectives of this study were to determine utility of serum SDMA as a renal biomarker in a rat model of gentamicin-induced renal injury and to provide validation of a commercially available SDMA immunoassay for rat serum. Rats were randomly assigned to one of three dose levels of gentamicin (20, 50, or 100 mg/kg) or a vehicle control group and dosed once daily by subcutaneous injection for either four or ten days. Serum and urine renal biomarker evaluation, including serum SDMA, hematologic and serum biochemical analysis, urinalysis, and histologic examination of kidney, were performed. Before biologic validation, analytic validation of the SDMA immunoassay for rat serum was performed, including assessment of assay accuracy, precision, analytical sensitivity, linearity, analyte stability, and interference testing. Among markers of excretory renal function, SDMA and serum creatinine increased earliest and at the lowest gentamicin concentrations and were significantly increased in both the 50- and 100- mg/kg dose levels in the four- and ten-dose treatment groups compared with controls. Time- and dose-dependent increases were noted for all urinary biomarkers investigated in this study, with microalbumin being most responsive and osteopontin least responsive for detection of gentamicin-induced injury across dose levels and schedules investigated. The SDMA immunoassay met all set quality requirements assessed in analytical validation. This study is the first to investigate performance of serum SDMA compared with other excretory renal function markers in a rat gentamicin acute toxicity model. In this study, serum SDMA was an earlier biomarker for detection of gentamicin-induced toxicity than serum cystatin C, BUN, and creatinine clearance. The SDMA immunoassay provides a reliable commercially available assay for future renal investigations in rat models.
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Affiliation(s)
- Diane M. Hamlin
- Pathology Department, Toxicology Division, Lilly Research Laboratories, Eli Lilly and Company, Indianapolis, Indiana
| | - A. Eric Schultze
- Pathology Department, Toxicology Division, Lilly Research Laboratories, Eli Lilly and Company, Indianapolis, Indiana
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11
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Kohl K, Herzog E, Dickneite G, Pestel S. Evaluation of urinary biomarkers for early detection of acute kidney injury in a rat nephropathy model. J Pharmacol Toxicol Methods 2020; 105:106901. [DOI: 10.1016/j.vascn.2020.106901] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2020] [Revised: 07/22/2020] [Accepted: 07/27/2020] [Indexed: 12/20/2022]
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12
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Udawatte NS, Kang SW, Wang Y, Arumugam TV, Seneviratne CJ. Predictive Nephrotoxicity Profiling of a Novel Antifungal Small Molecule in Comparison to Amphotericin B and Voriconazole. Front Pharmacol 2020; 11:511. [PMID: 32390849 PMCID: PMC7193989 DOI: 10.3389/fphar.2020.00511] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2019] [Accepted: 03/31/2020] [Indexed: 01/18/2023] Open
Abstract
BACKGROUND AND PURPOSE Candida albicans is the major fungal species associated with superficial mucosal infections such as oral candidiasis as well as systemic mycoses with high morbidity and mortality. On top of the rising drug resistance, currently available antifungal agents have significant adverse effects. Nephrotoxicity is the major treatment complication associated with antifungal agents.Recently, we discovered a novel antifungal small molecule SM21 with promising antifungal activity. The present study aimed to comparatively evaluate the in vivo and in vitro nephrotoxicity of SM21 comparing with Amphotericin B and voriconazole. EXPERIMENTAL APPROACH Nephrotoxicity of SM21 and its analogue were comparatively evaluated with Amphotericin B (AmB) and voriconazole. Immortalized human kidney proximal tubule epithelial cells (HK-2) were used for in vitro analysis of nephrotoxicity using cytotoxicity assays and qPCR gene expression analysis (Kim-1/HAVcr-1, CASP3). Sprague Dawley (SD) rat model was used to evaluate the nephrotoxicity in vivo using classical (SCr and BUN) and next-generation kidney injury urinary biomarkers (Kim-1, CLU, ALB, NGAL, β2M, and Cys C) alongside histopathological and immunohistochemical standards. KEY RESULTS AmB treatment showed a stronger cytotoxic impact on HK-2 viability and gene expression of cell death markers (Kim-1/HAVcr-1, CASP3) compared with SM21 and SM21 analogue in vitro (P < 0.01). In vivo data further demonstrated that SM21 did not significantly increase classical as well as novel nephrotoxic biomarkers, and minimal renal tubular necrosis and abnormalities were observed (15 mg kg-1 BW/day). CONCLUSIONS AND IMPLICATIONS SM21 had a significantly better safety profile in terms of nephrotoxicity with no major tubular epithelial abnormalities observed in kidney cells and no augmentation of kidney injury biomarkers compared to AmB. Kim-1 and CLU were the most sensitive biomarkers for detection of AmB-induced kidney damage. Future clinical trials should consider inclusion of these novel biomarkers as early indicators of acute kidney injury in antifungal-induced nephrotoxicity.
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Affiliation(s)
- Nadeeka S. Udawatte
- National Dental Centre Singapore, Oral Health ACP, Duke-NUS Medical School, Singapore, Singapore
| | - Sung Wook Kang
- Department of Physiology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | - Yue Wang
- Institute of Molecular and Cell Biology, Agency for Science, Technology and Research (A*STAR), Singapore, Singapore
| | - Thiruma V. Arumugam
- Department of Physiology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | - Chaminda J. Seneviratne
- National Dental Centre Singapore, Oral Health ACP, Duke-NUS Medical School, Singapore, Singapore
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13
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Urinary NMR Profiling in Pediatric Acute Kidney Injury-A Pilot Study. Int J Mol Sci 2020; 21:ijms21041187. [PMID: 32054020 PMCID: PMC7072839 DOI: 10.3390/ijms21041187] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2019] [Revised: 02/07/2020] [Accepted: 02/08/2020] [Indexed: 12/15/2022] Open
Abstract
Acute kidney injury (AKI) in critically ill children and adults is associated with significant short- and long-term morbidity and mortality. As serum creatinine- and urine output-based definitions of AKI have relevant limitations, there is a persistent need for better diagnostics of AKI. Nuclear magnetic resonance (NMR) spectroscopy allows for analysis of metabolic profiles without extensive sample manipulations. In the study reported here, we examined the diagnostic accuracy of NMR urine metabolite patterns for the diagnosis of neonatal and pediatric AKI according to the Kidney Disease: Improving Global Outcomes (KDIGO) definition. A cohort of 65 neonatal and pediatric patients (0–18 years) with established AKI of heterogeneous etiology was compared to both a group of apparently healthy children (n = 53) and a group of critically ill children without AKI (n = 31). Multivariate analysis identified a panel of four metabolites that allowed diagnosis of AKI with an area under the receiver operating characteristics curve (AUC-ROC) of 0.95 (95% confidence interval 0.86–1.00). Especially urinary citrate levels were significantly reduced whereas leucine and valine levels were elevated. Metabolomic differentiation of AKI causes appeared promising but these results need to be validated in larger studies. In conclusion, this study shows that NMR spectroscopy yields high diagnostic accuracy for AKI in pediatric patients.
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14
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Li AP, Yang L, Zhang LC, He SS, Jia JP, Qin XM. Evaluation of Injury Degree of Adriamycin-Induced Nephropathy in Rats Based on Serum Metabolomics Combined with Proline Marker. J Proteome Res 2020; 19:2575-2584. [PMID: 31887047 DOI: 10.1021/acs.jproteome.9b00785] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Nephrotic syndrome (NS) is one of the leading causes of end-stage renal failure. Unfortunately, reliable surrogate markers for early diagnosing and monitoring the entire progression of NS are as yet absent. A method using UPLC-Q exactive HR-MS was established for the serum metabolomic study of adriamycin-induced nephropathy in rats. Two rat nephropathy models induced by adriamycin were adopted to reflect different degrees of renal damage of early and advanced stages. Then two MPC5 cell models were used to verify the role of proline in the progression of kidney injury. The results showed that seven metabolites such as 14S-HDHA, DPA, and DHA were associated with early renal injury, while 12 metabolites such as tryptophan, linoleyl carnitine, and LysoPC (18:3) reflected the advanced renal disease. At the same time, metabolites including LPE (22:6), LysoPC (22:5), and proline that changed during the whole process of NS were defined as progressive markers. Pathway analysis results showed that fatty acid metabolism, glycerophospholipid metabolism, and amino acids metabolism participated in the occurrence and development of NS. In addition, the change trend of intracellular proline content was consistent with that in serum, and the results were further supported by the detection of the crucial gene PYCRL. This study provides an important basis for searching for diagnostic markers of NS and also provides a methodological reference for early diagnosing and monitoring the pathogenesis of other progressive diseases.
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Affiliation(s)
- Ai-Ping Li
- Modern Research Center for Traditional Chinese Medicine of Shanxi University, Taiyuan 030006, China
| | - Liu Yang
- Modern Research Center for Traditional Chinese Medicine of Shanxi University, Taiyuan 030006, China.,College of Chemistry and Chemical Engineering of Shanxi University, Taiyuan 030006, China
| | - Li-Chao Zhang
- Institutes of Biomedical Sciences of Shanxi University, Taiyuan 030006, China
| | - Sheng-Sheng He
- Modern Research Center for Traditional Chinese Medicine of Shanxi University, Taiyuan 030006, China.,College of Chemistry and Chemical Engineering of Shanxi University, Taiyuan 030006, China
| | - Jin-Ping Jia
- Scientific Instrument Center of Shanxi University, Taiyuan 030006, China
| | - Xue-Mei Qin
- Modern Research Center for Traditional Chinese Medicine of Shanxi University, Taiyuan 030006, China
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15
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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: 104] [Impact Index Per Article: 20.8] [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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16
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Neutrophil Gelatinase-Associated Lipocalin Is Not Associated with Tacrolimus-Induced Acute Kidney Injury in Liver Transplant Patients Who Received Mycophenolate Mofetil with Delayed Introduction of Tacrolimus. Int J Mol Sci 2019; 20:ijms20123103. [PMID: 31242630 PMCID: PMC6627315 DOI: 10.3390/ijms20123103] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2019] [Revised: 06/22/2019] [Accepted: 06/23/2019] [Indexed: 01/07/2023] Open
Abstract
Tacrolimus is widely used as an immunosuppressant in liver transplantation, and tacrolimus-induced acute kidney injury (AKI) is a serious complication. The urinary neutrophil gelatinase-associated lipocalin (NGAL) level has been linked to tacrolimus-induced AKI in patients starting tacrolimus treatment the morning after liver transplantation. Here we tested this association using a different immunosuppression protocol: Mycophenolate mofetil administration beginning on Postoperative Day 1 and tacrolimus administration beginning on Postoperative Day 2 or 3. Urine samples were collected from 26 living donor liver transplant recipients before (Postoperative Day 1) and after (Postoperative Day 7 or 14) tacrolimus administration. NGAL levels were measured via enzyme-linked immunosorbent assays, as were those of three additional urinary biomarkers for kidney diseases: Monocyte chemotactic protein-1 (MCP-1), liver-type fatty acid-binding protein (L-FABP), and human epididymis secretory protein 4 (HE4). HE4 levels after tacrolimus administration were significantly higher in patients who developed AKI (n = 6) than in those who did not (n = 20), whereas NGAL, MCP-1, and L-FABP levels did not differ significantly before or after tacrolimus administration. These findings indicate that NGAL may not be a universal biomarker of AKI in tacrolimus-treated liver transplant recipients. To reduce the likelihood of tacrolimus-induced AKI, our immunosuppression protocol is recommended.
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17
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Zacharias HU, Altenbuchinger M, Schultheiss UT, Samol C, Kotsis F, Poguntke I, Sekula P, Krumsiek J, Köttgen A, Spang R, Oefner PJ, Gronwald W. A Novel Metabolic Signature To Predict the Requirement of Dialysis or Renal Transplantation in Patients with Chronic Kidney Disease. J Proteome Res 2019; 18:1796-1805. [PMID: 30817158 DOI: 10.1021/acs.jproteome.8b00983] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Identification of chronic kidney disease patients at risk of progressing to end-stage renal disease (ESRD) is essential for treatment decision-making and clinical trial design. Here, we explored whether proton nuclear magnetic resonance (NMR) spectroscopy of blood plasma improves the currently best performing kidney failure risk equation, the so-called Tangri score. Our study cohort comprised 4640 participants from the German Chronic Kidney Disease (GCKD) study, of whom 185 (3.99%) progressed over a mean observation time of 3.70 ± 0.88 years to ESRD requiring either dialysis or transplantation. The original four-variable Tangri risk equation yielded a C statistic of 0.863 (95% CI, 0.831-0.900). Upon inclusion of NMR features by state-of-the-art machine learning methods, the C statistic improved to 0.875 (95% CI, 0.850-0.911), thereby outperforming the Tangri score in 94 out of 100 subsampling rounds. Of the 24 NMR features included in the model, creatinine, high-density lipoprotein, valine, acetyl groups of glycoproteins, and Ca2+-EDTA carried the highest weights. In conclusion, proton NMR-based plasma fingerprinting improved markedly the detection of patients at risk of developing ESRD, thus enabling enhanced patient treatment.
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Affiliation(s)
- Helena U Zacharias
- Institute of Computational Biology, Helmholtz Zentrum München , Neuherberg 85764 , Germany
| | | | - Ulla T Schultheiss
- Institute of Genetic Epidemiology, Department of Biometry, Epidemiology, and Medical Bioinformatics, Faculty of Medicine and Medical Center , University of Freiburg , Freiburg 79106 , Germany.,Renal Division, Department of Medicine IV, Faculty of Medicine and Medical Center , University of Freiburg , Freiburg 79106 , Germany
| | | | - Fruzsina Kotsis
- Institute of Genetic Epidemiology, Department of Biometry, Epidemiology, and Medical Bioinformatics, Faculty of Medicine and Medical Center , University of Freiburg , Freiburg 79106 , Germany.,Renal Division, Department of Medicine IV, Faculty of Medicine and Medical Center , University of Freiburg , Freiburg 79106 , Germany
| | - Inga Poguntke
- Institute of Genetic Epidemiology, Department of Biometry, Epidemiology, and Medical Bioinformatics, Faculty of Medicine and Medical Center , University of Freiburg , Freiburg 79106 , Germany
| | - Peggy Sekula
- Institute of Genetic Epidemiology, Department of Biometry, Epidemiology, and Medical Bioinformatics, Faculty of Medicine and Medical Center , University of Freiburg , Freiburg 79106 , Germany
| | - Jan Krumsiek
- Institute of Computational Biology, Helmholtz Zentrum München , Neuherberg 85764 , Germany.,Institute for Computational Biomedicine, Englander Institute for Precision Medicine, Department of Physiology and Biophysics , Weill Cornell Medicine , New York , New York 10065 , United States
| | - Anna Köttgen
- Institute of Genetic Epidemiology, Department of Biometry, Epidemiology, and Medical Bioinformatics, Faculty of Medicine and Medical Center , University of Freiburg , Freiburg 79106 , Germany
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18
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Fu R, Tajima S, Suetsugu K, Watanabe H, Egashira N, Masuda S. Biomarkers for individualized dosage adjustments in immunosuppressive therapy using calcineurin inhibitors after organ transplantation. Acta Pharmacol Sin 2019; 40:151-159. [PMID: 29950613 DOI: 10.1038/s41401-018-0070-2] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2017] [Accepted: 06/10/2018] [Indexed: 01/10/2023] Open
Abstract
Calcineurin inhibitors (CNIs), such as cyclosporine A and tacrolimus, are widely used immunosuppressive agents for the prevention of post-transplantation rejection and have improved 1-year graft survival rates by up to 90%. However, CNIs can induce severe reactions, such as acute or chronic allograft nephropathy, hypertension, and neurotoxicity. Because CNIs have varied bioavailabilities, narrow therapeutic ranges, and individual propensities for toxic effects, therapeutic drug monitoring is necessary for all CNIs. Identifying the genetic polymorphisms in drug-metabolizing enzymes will help to determine personalized dosage regimens for CNIs, as CNIs are substrates for CYP3A5 and P-glycoprotein (P-gp, MDR1). CNIs are often concomitantly administered with voriconazole or proton pump inhibitors (PPIs), giving rise to drug interaction problems. Voriconazole and PPIs can increase the blood concentrations of CNIs, and both are primarily metabolized by CYP2C19. Thus, it is expected that interactions between CNIs and voriconazole or PPI would be affected by CYP2C19 and CYP3A5 polymorphisms. CNI-induced acute kidney injury (AKI) is a serious complication of transplantations. Neutrophil gelatinase-associated lipocalin (NGAL) and kidney injury molecule 1 (KIM-1) are noninvasive urinary biomarkers that are believed to be highly sensitive to CNI-induced AKI. In this article, we review the adverse events and pharmacokinetics of CNIs and the biomarkers related to CNIs, including CYP3A5, CYP2C19, MDR1, NGAL, and KIM-1. We hope that these data will help to identify the optimal biomarkers for monitoring CNI-based immunosuppressive therapy after organ transplantation.
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19
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Izquierdo-Garcia JL, Nin N, Cardinal-Fernandez P, Rojas Y, de Paula M, Granados R, Martínez-Caro L, Ruíz-Cabello J, Lorente JA. Identification of novel metabolomic biomarkers in an experimental model of septic acute kidney injury. Am J Physiol Renal Physiol 2018; 316:F54-F62. [PMID: 30379100 DOI: 10.1152/ajprenal.00315.2018] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
The aim of this study is the identification of metabolomic biomarkers of sepsis and sepsis-induced acute kidney injury (AKI) in an experimental model. Pigs were anesthetized and monitored to measure mean arterial pressure (MAP), systemic blood flow (QT), mean pulmonary arterial pressure, renal artery blood flow (QRA), renal cortical blood flow (QRC), and urine output (UO). Sepsis was induced at t = 0 min by the administration of live Escherichia coli ( n = 6) or saline ( n = 8). At t = 300 min, animals were killed. Renal tissue, urine, and serum samples were analyzed by nuclear magnetic resonance (NMR) spectroscopy. Principal component analyses were performed on the processed NMR spectra to highlight kidney injury biomarkers. Sepsis was associated with decreased QT and MAP and decreased QRA, QRC, and UO. Creatinine serum concentration and neutrophil gelatinase-associated lipocalin (NGAL) serum and urine concentrations increased. NMR-based metabolomics analysis found metabolic differences between control and septic animals: 1) in kidney tissue, increased lactate and nicotinuric acid and decreased valine, aspartate, glucose, and threonine; 2) in urine, increased isovaleroglycine, aminoadipic acid, N-acetylglutamine, N-acetylaspartate, and ascorbic acid and decreased myoinositol and phenylacetylglycine; and 3) in serum, increased lactate, alanine, pyruvate, and glutamine and decreased valine, glucose, and betaine concentrations. The concentration of several metabolites altered in renal tissue and urine samples from septic animals showed a significant correlation with markers of AKI (i.e., creatinine and NGAL serum concentrations). NMR-based metabolomics is a potentially useful tool for biomarker identification of sepsis-induced AKI.
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Affiliation(s)
- Jose L Izquierdo-Garcia
- CIBER de Enfermedades Respiratorias, CIBERES, Madrid , Spain.,CIC biomaGUNE, Donostia- San Sebastian , Spain
| | - Nicolás Nin
- CIBER de Enfermedades Respiratorias, CIBERES, Madrid , Spain.,Hospital Español , Montevideo , Uruguay
| | - Pablo Cardinal-Fernandez
- Department of Emergency, Hospital Universitario HM Sanchinarro. Fundación de Investigación HM , Madrid , Spain
| | - Yenny Rojas
- CIBER de Enfermedades Respiratorias, CIBERES, Madrid , Spain.,Department of Critical Care, Hospital Universitario de Getafe , Madrid , Spain
| | - Marta de Paula
- CIBER de Enfermedades Respiratorias, CIBERES, Madrid , Spain.,Department of Critical Care, Hospital Universitario de Getafe , Madrid , Spain
| | - Rosario Granados
- Department of Critical Care, Hospital Universitario de Getafe , Madrid , Spain
| | - Leticia Martínez-Caro
- CIBER de Enfermedades Respiratorias, CIBERES, Madrid , Spain.,Department of Critical Care, Hospital Universitario de Getafe , Madrid , Spain
| | - Jesús Ruíz-Cabello
- CIBER de Enfermedades Respiratorias, CIBERES, Madrid , Spain.,CIC biomaGUNE, Donostia- San Sebastian , Spain.,Departamento de Química-Física II, Facultad de Farmacia, Universidad Complutense de Madrid , Madrid , Spain
| | - José A Lorente
- CIBER de Enfermedades Respiratorias, CIBERES, Madrid , Spain.,Department of Critical Care, Hospital Universitario de Getafe , Madrid , Spain.,Universidad Europea de Madrid , Madrid , Spain
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20
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Locci E, Noto A, Puddu M, Pomero G, Demontis R, Dalmazzo C, Delogu A, Fanos V, d’Aloja E, Gancia P. A longitudinal 1H-NMR metabolomics analysis of urine from newborns with hypoxic-ischemic encephalopathy undergoing hypothermia therapy. Clinical and medical legal insights. PLoS One 2018; 13:e0194267. [PMID: 29668681 PMCID: PMC5906012 DOI: 10.1371/journal.pone.0194267] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2017] [Accepted: 02/28/2018] [Indexed: 01/21/2023] Open
Abstract
Perinatal asphyxia is an event affecting around four million newborns worldwide. The 0.5 to 2 per 1000 of full term asphyxiated newborns suffer from hypoxic-ischemic encephalopathy (HIE), which is a frequent cause of death or severe disability and, as consequence, the most common birth injury claim for obstetrics, gynaecologists, and paediatricians. Perinatal asphyxia results from a compromised gas exchange that leads to hypoxemia, hypercapnia, and metabolic acidosis. In this work, we applied a metabolomics approach to investigate the metabolic profiles of urine samples collected from full term asphyxiated newborns with HIE undergoing therapeutic hypothermia (TH), with the aim of identifying a pattern of metabolites associated with HIE and to follow their modifications over time. Urine samples were collected from 10 HIE newborns at birth, during hypothermia (48 hours), at the end of the therapeutic treatment (72 hours), at 1 month of life, and compared with a matched control population of 16 healthy full term newborns. The metabolic profiles were investigated by 1H NMR spectroscopy coupled with multivariate statistical methods such as principal component analysis and orthogonal partial least square discriminant analysis. Multivariate analysis indicated significant differences between the urine samples of HIE and healthy newborns at birth. The altered metabolic patterns, mainly originated from the depletion of cellular energy and homeostasis, seem to constitute a characteristic of perinatal asphyxia. The HIE urine metabolome changes over time reflected either the effects of TH and the physiological growth of the newborns. Of interest, the urine metabolic profiles of the HIE non-surviving babies, characterized by the increased excretion of lactate, resulted significantly different from the rest of HIE population.
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Affiliation(s)
- Emanuela Locci
- Department of Medical Sciences and Public Health, University of Cagliari, Cagliari, Italy
| | - Antonio Noto
- Department of Surgical Sciences, University of Cagliari, and Neonatal Intensive Care Unit, Puericulture Institute and Neonatal Section, Azienda Ospedaliera Universitaria, Cagliari, Italy
| | - Melania Puddu
- Department of Surgical Sciences, University of Cagliari, and Neonatal Intensive Care Unit, Puericulture Institute and Neonatal Section, Azienda Ospedaliera Universitaria, Cagliari, Italy
| | - Giulia Pomero
- Neonatal Intensive Care, Neonatology, ASO S. Croce e Carle, Cuneo, Italy
| | - Roberto Demontis
- Department of Medical Sciences and Public Health, University of Cagliari, Cagliari, Italy
| | - Cristina Dalmazzo
- Neonatal Intensive Care, Neonatology, ASO S. Croce e Carle, Cuneo, Italy
| | - Antonio Delogu
- Neonatal Intensive Care, Neonatology, ASO S. Croce e Carle, Cuneo, Italy
| | - Vassilios Fanos
- Department of Surgical Sciences, University of Cagliari, and Neonatal Intensive Care Unit, Puericulture Institute and Neonatal Section, Azienda Ospedaliera Universitaria, Cagliari, Italy
| | - Ernesto d’Aloja
- Department of Medical Sciences and Public Health, University of Cagliari, Cagliari, Italy
| | - Paolo Gancia
- Neonatal Intensive Care, Neonatology, ASO S. Croce e Carle, Cuneo, Italy
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21
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Ryu SH, Kim JW, Yoon D, Kim S, Kim KB. Serum and urine toxicometabolomics following gentamicin-induced nephrotoxicity in male Sprague-Dawley rats. JOURNAL OF TOXICOLOGY AND ENVIRONMENTAL HEALTH. PART A 2018; 81:408-420. [PMID: 29608440 DOI: 10.1080/15287394.2018.1451180] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Gentamicin (GM) is an aminoglycoside antibiotic used in treatment of various types of bacterial infections, but the major adverse effect is drug-induced nephrotoxicity. This study aimed to determine biomarkers that might predict nephrotoxicity initiated by GM using serum or urinary proton nuclear magnetic resonance (1H NMR) spectral data in male Sprague-Dawley rats. GM (0, 30, or 300 mg/kg/d) was intraperitoneally administered for 3 consecutive days. Animals were sacrificed 2 d (D2) or 8 d (D8) after last administration of GM in order to perform analysis of serum biochemistries and histopathologic examination. Urine samples were collected every 24 h from prior to treatment until sacrifice. Serum and urinary 1H NMR spectral data revealed apparent differential clustering between control and GM-treated groups as evidenced by principal component analysis (PCA) and orthogonal projections to latent structure-discriminant analysis (OPLS-DA) in global and targeted profiling. The concentrations of endogenous serum metabolites including 3-hydroxybutyrate, alanine, citrate, creatine, glucose, and glycine were increased significantly on D2 or D8. Urinary levels of glucose, glycine, and succinate were significantly elevated on D2 or D8, whereas the concentration of hippurate was significantly decreased on D2 and D8. Correlation of serum and urinary 1H NMR OPLS-DA with serum biochemistry and renal histopathologic changes suggests that 1H NMR urinalysis may be used to reliably predict or screen for GM-induced nephrotoxicity. In contrast, Western blot analysis of kidney injury molecule-1 (KIM-1) demonstrated that protein expression was not markedly altered indicating this biomarker was not sensitive to detect GM-mediated renal damage. Data suggest that these altered metabolites might serve as specific and sensitive biomarkers for GM-mediated renal damage.
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Affiliation(s)
- Sung Ha Ryu
- a Analysis Research Team, R&D Center, GL Pharm Tech Corp ., Gyeonggi-do , Republic of Korea
- b Department of Pharmacy, College of Pharmacy, Dankook University , Chungnam , Republic of Korea
| | - Ji Won Kim
- c Pharmacology Department , CKD Research Institute , Gyunggi-do , Republic of Korea
| | - Dahye Yoon
- d Department of Chemistry, Center for Proteome Biophysics and Chemistry Institute for Functional Materials , Pusan National University , Busan , Republic of Korea
| | - Suhkmann Kim
- d Department of Chemistry, Center for Proteome Biophysics and Chemistry Institute for Functional Materials , Pusan National University , Busan , Republic of Korea
| | - Kyu-Bong Kim
- b Department of Pharmacy, College of Pharmacy, Dankook University , Chungnam , Republic of Korea
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22
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Wu C, Chen CH, Chen HC, Liang HJ, Chen ST, Lin WY, Wu KY, Chiang SY, Lin CY. Nuclear magnetic resonance- and mass spectrometry-based metabolomics to study maleic acid toxicity from repeated dose exposure in rats. J Appl Toxicol 2017; 37:1493-1506. [PMID: 28691739 DOI: 10.1002/jat.3500] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2017] [Revised: 05/16/2017] [Accepted: 05/21/2017] [Indexed: 01/11/2023]
Abstract
Maleic acid (MA), a chemical intermediate used in many consumer and industrial products, was intentionally adulterated in a variety of starch-based foods and instigated food safety incidents in Asia. We aim to elucidate possible mechanisms of MA toxicity after repeated exposure by (1) determining the changes of metabolic profile using 1 H nuclear magnetic resonance spectroscopy and multivariate analysis, and (2) investigating the occurrence of oxidative stress using liquid chromatography tandem mass spectrometry by using Sprague-Dawley rat urine samples. Adult male rats were subjected to a 28 day subchronic study (0, 6, 20 and 60 mg kg-1 ) via oral gavage. Urine was collected twice a day on days 0, 7, 14, 21 and 28; organs underwent histopathological examination. Changes in body weight and relative kidney weights in medium- and high-dose groups were significantly different compared to controls. Morphological alterations were evident in the kidneys and liver. Metabolomic results demonstrated that MA exposure increases the urinary concentrations of 8-hydroxy-2'-deoxyguanosine, 8-nitroguanine and 8-iso-prostaglandin F2α ; levels of acetoacetate, hippurate, alanine and acetate demonstrated time- and dose-dependent variations in the treatment groups. Findings suggest that MA consumption escalates oxidative damage, membrane lipid destruction and disrupt energy metabolism. These aforementioned changes in biomarkers and endogenous metabolites elucidate and assist in characterizing the possible mechanisms by which MA induces nephro- and hepatotoxicity.
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Affiliation(s)
- Charlene Wu
- Institute of Occupational Medicine and Industrial Hygiene, College of Public Health, National Taiwan University, No. 17, ShiuJou Rd., Taipei, 10055, Taiwan
| | - Chi-Hung Chen
- Institute of Environmental Health, College of Public Health, National Taiwan University, No. 17, ShiuJou Rd., Taipei, 10055, Taiwan
| | - Hsin-Chang Chen
- Institute of Occupational Medicine and Industrial Hygiene, College of Public Health, National Taiwan University, No. 17, ShiuJou Rd., Taipei, 10055, Taiwan
| | - Hao-Jan Liang
- Institute of Environmental Health, College of Public Health, National Taiwan University, No. 17, ShiuJou Rd., Taipei, 10055, Taiwan
| | - Shu-Ting Chen
- National Environmental Health Research Center, National Health Research Institutes, No. 35, Keyan Rd., Zhunan, Miaoli County, 35053, Taiwan
| | - Wan-Yu Lin
- Institute of Epidemiology and Preventive Medicine, College of Public Health, National Taiwan University, No. 17, ShiuJou Rd., Taipei, 10055, Taiwan
| | - Kuen-Yuh Wu
- Institute of Occupational Medicine and Industrial Hygiene, College of Public Health, National Taiwan University, No. 17, ShiuJou Rd., Taipei, 10055, Taiwan
| | - Su-Yin Chiang
- School of Chinese Medicine, China Medical University, Taichung, 404, Taiwan
| | - Ching-Yu Lin
- Institute of Environmental Health, College of Public Health, National Taiwan University, No. 17, ShiuJou Rd., Taipei, 10055, Taiwan
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The Usefulness of Determining Neutrophil Gelatinase-Associated Lipocalin Concentration Excreted in the Urine in the Evaluation of Cyclosporine A Nephrotoxicity in Children with Nephrotic Syndrome. DISEASE MARKERS 2016; 2016:6872149. [PMID: 28115789 PMCID: PMC5220415 DOI: 10.1155/2016/6872149] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/07/2016] [Accepted: 10/10/2016] [Indexed: 01/24/2023]
Abstract
Introduction. The use of cyclosporine (CsA) in the treatment of nephrotic syndrome (NS) contributed to a significant reduction in the amount of corticosteroids used in therapy and its cumulative side effects. One of the major drawbacks of CsA therapy is its nephrotoxicity. Prolonged CsA treatment protocols require sensitive, easily available, and simple to measure biomarkers of nephrotoxicity. NGAL is an antibacterial peptide, excreted by cells of renal tubules in response to their toxic or inflammatory damage. Aim of the Study. The aim of this study was to assess the suitability of the NGAL concentration in the urine as a potential biomarker of the CsA nephrotoxicity. Material and Methods. The study was performed on a group of 31 children with NS treated with CsA. The control group consisted of 23 children diagnosed with monosyptomatic enuresis. The relationship between NGAL excreted in urine and the time of CsA treatment, concentration of CsA in blood serum, and other biochemical parameters was assessed. Results. The study showed a statistically significant positive correlation between urine NGAL concentration and serum triglycerides concentration and no correlation between C0 CsA concentration and other observed parameters of NS. The duration of treatment had a statistically significant influence on the NGAL to creatinine ratio. Conclusions. NGAL cannot be used alone as a simple CsA nephrotoxicity marker during NS therapy. Statistically significant correlation between NGAL urine concentration and the time of CsA therapy indicates potential benefits of using this biomarker in the monitoring of nephrotoxicity in case of prolonged CsA therapy.
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Santos DCM, Lima ML, Toledo JS, Fernandes PA, Aguiar MMG, López-Gonzálvez Á, Ferreira LAM, Fernandes AP, Barbas C. Metabolomics as a tool to evaluate the toxicity of formulations containing amphotericin B, an antileishmanial drug. Toxicol Res (Camb) 2016; 5:1720-1732. [PMID: 30090471 PMCID: PMC6062298 DOI: 10.1039/c6tx00253f] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2016] [Accepted: 09/12/2016] [Indexed: 11/21/2022] Open
Abstract
Amphotericin B (AmB) is a drug of choice against life-threatening systemic fungal infections and an alternative therapy for the treatment of all forms of leishmaniasis. It is known that AmB and its conventional formulation cause renal damage; however, the lipid formulations can reduce these effects. The aim of the present study was to identify metabolic changes in mice treated with two different AmB formulations, a nanoemulsion (NE) (lipid system carrier) loaded with AmB and the conventional formulation (C-AmB). For this purpose, metabolic fingerprinting represents a valuable strategy to monitor, in a non-targeted manner, the changes that are at the base of the toxicity mechanism of AmB. Plasma samples of BALB-c mice were collected after treatment with 3 alternate doses of AmB at 1 mg kg-1 administered intravenously and analysed with CE, LC and GC coupled to MS. Blood urea nitrogen (BUN) and plasma creatinine levels were also analysed. Kidney tissue specimens were collected and evaluated. It was not observed that there were any alterations in BUN and creatinine levels as well as in histopathological analysis. Approximately 30 metabolites were identified as potentially related to early C-AmB-induced nephrotoxicity. Disturbances in the arachidonic acid, glycerophospholipid, acylcarnitine and polyunsaturated fatty acid (PUFA) pathways were observed in C-AmB-treated mice. In the AmB-loaded NE group, it was observed that there were fewer metabolic changes, including changes in the plasma levels of cortisol and pyranose. The candidate biomarkers revealed in this study could be useful in the detection of the onset and severity of kidney injury induced by AmB formulations.
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Affiliation(s)
- Délia C M Santos
- Department of Pharmaceutics , Faculty of Pharmacy , Federal University of Minas Gerais (UFMG) , Belo Horizonte , Brazil . ; Tel: +(55) 31 3409 6985
- CEMBIO , Centre for Metabolomics and Bioanalysis , Faculty of Pharmacy , San Pablo CEU University , Madrid , Spain
| | - Marta L Lima
- Institute of Tropical Medicine , University of São Paulo , São Paulo , SP , Brazil
- CEMBIO , Centre for Metabolomics and Bioanalysis , Faculty of Pharmacy , San Pablo CEU University , Madrid , Spain
| | - Juliano S Toledo
- Department of Pharmaceutics , Faculty of Pharmacy , Federal University of Minas Gerais (UFMG) , Belo Horizonte , Brazil . ; Tel: +(55) 31 3409 6985
- CEMBIO , Centre for Metabolomics and Bioanalysis , Faculty of Pharmacy , San Pablo CEU University , Madrid , Spain
| | - Paula A Fernandes
- Department of Pharmaceutics , Faculty of Pharmacy , Federal University of Minas Gerais (UFMG) , Belo Horizonte , Brazil . ; Tel: +(55) 31 3409 6985
| | - Marta M G Aguiar
- Department of Pharmaceutics , Faculty of Pharmacy , Federal University of Minas Gerais (UFMG) , Belo Horizonte , Brazil . ; Tel: +(55) 31 3409 6985
| | - Ángeles López-Gonzálvez
- CEMBIO , Centre for Metabolomics and Bioanalysis , Faculty of Pharmacy , San Pablo CEU University , Madrid , Spain
| | - Lucas A M Ferreira
- Department of Pharmaceutics , Faculty of Pharmacy , Federal University of Minas Gerais (UFMG) , Belo Horizonte , Brazil . ; Tel: +(55) 31 3409 6985
| | - Ana Paula Fernandes
- Department of Pharmaceutics , Faculty of Pharmacy , Federal University of Minas Gerais (UFMG) , Belo Horizonte , Brazil . ; Tel: +(55) 31 3409 6985
| | - Coral Barbas
- CEMBIO , Centre for Metabolomics and Bioanalysis , Faculty of Pharmacy , San Pablo CEU University , Madrid , Spain
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25
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Jouret F, Leenders J, Poma L, Defraigne JO, Krzesinski JM, de Tullio P. Nuclear Magnetic Resonance Metabolomic Profiling of Mouse Kidney, Urine and Serum Following Renal Ischemia/Reperfusion Injury. PLoS One 2016; 11:e0163021. [PMID: 27657885 PMCID: PMC5033333 DOI: 10.1371/journal.pone.0163021] [Citation(s) in RCA: 35] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2015] [Accepted: 09/01/2016] [Indexed: 12/29/2022] Open
Abstract
Background Ischemia/reperfusion (I/R) is the most common cause of acute kidney injury (AKI). Its pathophysiology remains unclear. Metabolomics is dedicated to identify metabolites involved in (patho)physiological changes of integrated living systems. Here, we performed 1H-Nuclear Magnetic Resonance metabolomics using urine, serum and kidney samples from a mouse model of renal I/R. Methods Renal 30-min ischemia was induced in 12-week-old C57BL/6J male mice by bilaterally clamping vascular pedicles, and was followed by 6, 24 or 48-hour reperfusion (n = 12/group). Sham-operated mice were used as controls. Statistical discriminant analyses, i.e. principal component analysis and orthogonal projections to latent structures (OPLS-DA), were performed on urine, serum and kidney lysates at each time-point. Multivariate receiver operating characteristic (ROC) curves were drawn, and sensitivity and specificity were calculated from ROC confusion matrix (with averaged class probabilities across 100 cross-validations). Results Urine OPLS-DA analysis showed a net separation between I/R and sham groups, with significant variations in levels of taurine, di- and tri-methylamine, creatine and lactate. Such changes were observed as early as 6 hours post reperfusion. Major metabolome modifications occurred at 24h post reperfusion. At this time-point, correlation coefficients between urine spectra and conventional AKI biomarkers, i.e. serum creatinine and urea levels, reached 0.94 and 0.95, respectively. The area under ROC curve at 6h, 24h and 48h post surgery were 0.73, 0.98 and 0.97, respectively. Similar discriminations were found in kidney samples, with changes in levels of lactate, fatty acids, choline and taurine. By contrast, serum OPLS-DA analysis could not discriminate sham-operated from I/R-exposed animals. Conclusions Our study demonstrates that renal I/R in mouse causes early and sustained metabolomic changes in urine and kidney composition. The most implicated pathways at 6h and 24h post reperfusion include gluconeogenesis, taurine and hypotaurine metabolism, whereas protein biosynthesis, glycolysis, and galactose and arginine metabolism are key at 48h post reperfusion.
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Affiliation(s)
- François Jouret
- Division of Nephrology, University of Liège Hospital (ULg CHU), Liège, Belgium
- Groupe Interdisciplinaire de Génoprotéomique Appliquée (GIGA), Cardiovascular Sciences, University of Liège, Liège, Belgium
- * E-mail:
| | - Justine Leenders
- Centre for Interdisciplinary Research on Medicines (CIRM), University of Liège, Liège, Belgium
| | - Laurence Poma
- Division of Nephrology, University of Liège Hospital (ULg CHU), Liège, Belgium
- Groupe Interdisciplinaire de Génoprotéomique Appliquée (GIGA), Cardiovascular Sciences, University of Liège, Liège, Belgium
| | - Jean-Olivier Defraigne
- Groupe Interdisciplinaire de Génoprotéomique Appliquée (GIGA), Cardiovascular Sciences, University of Liège, Liège, Belgium
| | - Jean-Marie Krzesinski
- Division of Nephrology, University of Liège Hospital (ULg CHU), Liège, Belgium
- Groupe Interdisciplinaire de Génoprotéomique Appliquée (GIGA), Cardiovascular Sciences, University of Liège, Liège, Belgium
| | - Pascal de Tullio
- Centre for Interdisciplinary Research on Medicines (CIRM), University of Liège, Liège, Belgium
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Li Z, Li A, Gao J, Li H, Qin X. Kidney Tissue Targeted Metabolic Profiling of Unilateral Ureteral Obstruction Rats by NMR. Front Pharmacol 2016; 7:307. [PMID: 27695416 PMCID: PMC5023943 DOI: 10.3389/fphar.2016.00307] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2016] [Accepted: 08/30/2016] [Indexed: 12/17/2022] Open
Abstract
Renal interstitial fibrosis is a common pathological process in the progression of kidney disease. A nuclear magnetic resonance (NMR) based metabolomic approach was used to analyze the kidney tissues of rats with renal interstitial fibrosis (RIF), induced by unilateral ureteral obstruction (UUO). The combination of a variety of statistical methods were used to screen out 14 significantly changed potential metabolites, which are related with multiple biochemical processes including amino acid metabolism, adenine metabolism, energy metabolism, osmolyte change and induced oxidative stress. The exploration of the contralateral kidneys enhanced the understanding of the disease, which was also supported by serum biochemistry and kidney histopathology results. In addition, the pathological parameters (clinical chemistry, histological and immunohistochemistry results) were correlated with the significantly changed differential metabolites related with RIF. This study showed that targeted tissue metabolomic analysis can be used as a useful tool to understand the mechanism of the disease and provide a novel insight in the pathogenesis of RIF.
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Affiliation(s)
- Zhenyu Li
- Modern Research Center for Traditional Chinese Medicine, Shanxi University Taiyuan, China
| | - Aiping Li
- Modern Research Center for Traditional Chinese Medicine, Shanxi University Taiyuan, China
| | - Jining Gao
- Shanxi Hospital of Integrated Traditional and Western Medicine Taiyuan, China
| | - Hong Li
- Shanxi Hospital of Integrated Traditional and Western Medicine Taiyuan, China
| | - Xuemei Qin
- Modern Research Center for Traditional Chinese Medicine, Shanxi University Taiyuan, China
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Won AJ, Kim S, Kim YG, Kim KB, Choi WS, Kacew S, Kim KS, Jung JH, Lee BM, Kim S, Kim HS. Discovery of urinary metabolomic biomarkers for early detection of acute kidney injury. MOLECULAR BIOSYSTEMS 2016; 12:133-44. [PMID: 26566257 DOI: 10.1039/c5mb00492f] [Citation(s) in RCA: 72] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
The discovery of new biomarkers for early detection of drug-induced acute kidney injury (AKI) is clinically important. In this study, sensitive metabolomic biomarkers identified in the urine of rats were used to detect cisplatin-induced AKI. Cisplatin (10 mg kg(-1), i.p.) was administered to Sprague-Dawley rats, which were subsequently euthanized after 1, 3 or 5 days. In cisplatin-treated rats, mild histopathological alterations were noted at day 1, and these changes were severe at days 3 and 5. Blood urea nitrogen (BUN) and serum creatinine (SCr) levels were significantly increased at days 3 and 5. The levels of new urinary protein-based biomarkers, including kidney injury molecule-1 (KIM-1), glutathione S-transferase-α (GST-α), tissue inhibitor of metalloproteinase-1 (TIMP-1), vascular endothelial growth factor (VEGF), calbindin, clusterin, neutrophil, neutrophil gelatinase-associated lipocalin (NGAL), and osteopontin, were significantly elevated at days 3 and 5. Among urinary metabolites, trigonelline and 3-indoxylsulfate (3-IS) levels were significantly decreased in urine collected from cisplatin-treated rats prior to histological kidney damage. However, carbon tetrachloride (CCl4), a hepatotoxicant, did not affect these urinary biomarkers. Trigonelline is closely associated with GSH depletion and results in insufficient antioxidant capacity against cisplatin-induced AKI. The predominant cisplatin-induced AKI marker appeared to be reduced in urinary 3-IS levels. Because 3-IS is predominantly excreted via active secretion in proximal tubules, a decrease is indicative of tubular damage. Further, urinary excretion of 3-IS levels was markedly reduced in patients with AKI compared to normal subjects. The area under the curve receiver operating characteristics (AUC-ROC) for 3-IS was higher than for SCr, BUN, lactate dehydrogenase (LDH), total protein, and glucose. Therefore, low urinary or high serum 3-IS levels may be more useful for early detection of AKI than conventional biomarkers.
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Affiliation(s)
- A Jin Won
- College of Pharmacy, Pusan National University, Busan, 609-735, Republic of Korea
| | - Siwon Kim
- Department of Chemistry and Chemistry Institute for Functional Materials, Pusan National University, Busan, 609-735, Republic of Korea
| | - Yoon Gyoon Kim
- College of Pharmacy, Dankook University, 119, Dandae-ro, Dongnam-gu, Cheonan-si, Chungnam 330-714, Republic of Korea
| | - Kyu-Bong Kim
- College of Pharmacy, Dankook University, 119, Dandae-ro, Dongnam-gu, Cheonan-si, Chungnam 330-714, Republic of Korea
| | - Wahn Soo Choi
- School of Medicine, Konkuk University, Chungju 380-701, Republic of Korea
| | - Sam Kacew
- McLaughlin Centre for Population Health Risk Assessment, University of Ottawa, Ottawa, Ontario, Canada
| | - Kyeong Seok Kim
- School of Pharmacy, Sungkyunkwan University, Suwon, 440-746, Republic of Korea.
| | - Jee H Jung
- College of Pharmacy, Pusan National University, Busan, 609-735, Republic of Korea
| | - Byung Mu Lee
- School of Pharmacy, Sungkyunkwan University, Suwon, 440-746, Republic of Korea.
| | - Suhkmann Kim
- Department of Chemistry and Chemistry Institute for Functional Materials, Pusan National University, Busan, 609-735, Republic of Korea
| | - Hyung Sik Kim
- School of Pharmacy, Sungkyunkwan University, Suwon, 440-746, Republic of Korea.
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28
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Downes KJ, Dong M, Fukuda T, Clancy JP, Haffner C, Bennett MR, Vinks AA, Goldstein SL. Urinary kidney injury biomarkers and tobramycin clearance among children and young adults with cystic fibrosis: a population pharmacokinetic analysis. J Antimicrob Chemother 2016; 72:254-260. [PMID: 27585963 DOI: 10.1093/jac/dkw351] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2016] [Revised: 07/21/2016] [Accepted: 07/26/2016] [Indexed: 01/31/2023] Open
Abstract
BACKGROUND Tobramycin is frequently used for treatment of bronchopneumonia in patients with cystic fibrosis (CF). Variability in tobramycin clearance (CL) is high in this population with few reliable approaches to guide dosing. OBJECTIVES We sought to evaluate the pharmacokinetics of once-daily intravenous tobramycin in patients with CF and test the influence of covariates on tobramycin CL, including serum creatinine (SCr) and urinary biomarkers: neutrophil gelatinase-associated lipocalin (NGAL), retinol-binding protein (RBP) and kidney injury molecule-1 (KIM-1). METHODS This was a prospective, observational cohort study of children/young adults with CF receiving once-daily intravenous tobramycin from October 2012 to May 2014 at Cincinnati Children's Hospital Medical Center. Therapeutic drug monitoring data were prospectively obtained. Population pharmacokinetic analyses were performed using non-linear mixed-effects modelling. RESULTS Thirty-seven patients (median age 15.3 years, IQR 12.7-19.5) received 62 tobramycin courses. A one-compartment model with allometrically scaled weight for tobramycin CL and volume of distribution (V) best described the data. Urinary NGAL was associated with tobramycin CL (P < 0.001), as was urinary RBP (P < 0.001). SCr, estimated glomerular filtration rate and urinary KIM-1 were not significant covariates. The population pharmacokinetic parameter estimates were CL = 8.60 L/h/70 kg (relative standard error 4.3%) and V = 31.3 L/70 kg (relative standard error 4.7%). CONCLUSIONS We describe urinary biomarkers as predictors of tobramycin CL using a population pharmacokinetic modelling approach. Our findings suggest that patient weight and urinary NGAL or RBP could be used to individualize tobramycin therapy in patients with CF.
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Affiliation(s)
- Kevin J Downes
- Division of Infectious Diseases, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA .,Division of Clinical Pharmacology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA
| | - Min Dong
- Division of Clinical Pharmacology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA
| | - Tsuyoshi Fukuda
- Division of Clinical Pharmacology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA.,Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, OH, USA
| | - John P Clancy
- Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, OH, USA.,Division of Pulmonology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA
| | - Christopher Haffner
- Division of Nephrology and Hypertension, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA
| | - Michael R Bennett
- Division of Nephrology and Hypertension, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA
| | - Alexander A Vinks
- Division of Clinical Pharmacology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA.,Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, OH, USA
| | - Stuart L Goldstein
- Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, OH, USA.,Division of Nephrology and Hypertension, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA
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29
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Malagrino PA, Venturini G, Yogi PS, Dariolli R, Padilha K, Kiers B, Gois TC, Motta-Leal-Filho JM, Takimura CK, Girardi ACC, Carnevale FC, Canevarolo R, Malheiros DMAC, de Mattos Zeri AC, Krieger JE, Pereira AC. Metabolomic characterization of renal ischemia and reperfusion in a swine model. Life Sci 2016; 156:57-67. [DOI: 10.1016/j.lfs.2016.05.025] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2016] [Revised: 05/12/2016] [Accepted: 05/17/2016] [Indexed: 01/09/2023]
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30
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Jeong ES, Kim G, Moon KS, Kim YB, Oh JH, Kim HS, Jeong J, Shin JG, Kim DH. Characterization of urinary metabolites as biomarkers of colistin-induced nephrotoxicity in rats by a liquid chromatography/mass spectrometry-based metabolomics approach. Toxicol Lett 2016; 248:52-60. [PMID: 26947560 DOI: 10.1016/j.toxlet.2016.02.018] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2015] [Revised: 02/24/2016] [Accepted: 02/29/2016] [Indexed: 12/18/2022]
Abstract
Colistin is a polypeptide antibiotic that effectively treats infections caused by multidrug-resistant Gram-negative bacteria, but its clinical use is limited due to nephrotoxicity. The purpose of the present study was to identify biomarkers of colistin-induced nephrotoxicity and to further characterize the mechanisms underlying this process by analyzing urinary metabolites using untargeted metabolomic approach. Rats receiving intraperitoneal administration of colistin sodium methanesulfonate (CMS) (25 or 50mg/kg) exhibited histopathological changes in the kidney and increased blood urea nitrogen levels. Additionally, the levels of phenylalanine, tryptophan, and tyrosine in the urine of the CMS-treated group were significantly higher than those of the control group, suggesting that colistin caused proximal tubular damage. Urinary acetylcarnitine and butyrylcarnitine levels also increased after CMS treatment, but the levels of purine metabolites and metabolites related to the tricarboxylic acid cycle were reduced. The most significant increase in the CMS-treated groups was observed in creatine levels. CMS-induced selective nephrotoxicity may be attributed to relatively high tissue concentrations of colistin in the kidney. Taken together, our results indicate that high levels of colistin in the kidney caused perturbations in the tricarboxylic acid cycle, amino acid metabolism, creatine metabolism, and purine metabolism and ultimately led to kidney injury.
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Affiliation(s)
- Eun Sook Jeong
- Department of Pharmacology and Pharmacogenomics Research center, Inje University, College of Medicine, Bokjiro 75, Busanjin-Gu, Busan 614-735 South Korea
| | - Gabin Kim
- Department of Pharmacology and Pharmacogenomics Research center, Inje University, College of Medicine, Bokjiro 75, Busanjin-Gu, Busan 614-735 South Korea
| | - Kyoung-Sik Moon
- Korea Institute of Toxicology, 141 Gajeong-ro, Yuseong-gu, Daejeon, 305-343, South Korea
| | - Yong-Bum Kim
- Korea Institute of Toxicology, 141 Gajeong-ro, Yuseong-gu, Daejeon, 305-343, South Korea
| | - Jung-Hwa Oh
- Korea Institute of Toxicology, 141 Gajeong-ro, Yuseong-gu, Daejeon, 305-343, South Korea
| | - Ho-Sook Kim
- Department of Pharmacology and Pharmacogenomics Research center, Inje University, College of Medicine, Bokjiro 75, Busanjin-Gu, Busan 614-735 South Korea
| | - Jayoung Jeong
- Ministry of Food and Drug Safety, Osong-eup, Heungdeok-gu, Cheongju-si, Chungcheongbuk-do 361-951, South Korea
| | - Jae-Gook Shin
- Department of Pharmacology and Pharmacogenomics Research center, Inje University, College of Medicine, Bokjiro 75, Busanjin-Gu, Busan 614-735 South Korea
| | - Dong Hyun Kim
- Department of Pharmacology and Pharmacogenomics Research center, Inje University, College of Medicine, Bokjiro 75, Busanjin-Gu, Busan 614-735 South Korea.
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Urinary metabolomics and biomarkers of aristolochic acid nephrotoxicity by UPLC-QTOF/HDMS. Bioanalysis 2016; 7:685-700. [PMID: 25871586 DOI: 10.4155/bio.14.309] [Citation(s) in RCA: 49] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
BACKGROUND Drug-induced nephrotoxicity was one of the most important health problems, with increasing morbidity and mortality. Urinary metabolomics based on ultra performance liquid chromatography coupled with quadrupole time-of-flight high-definition mass spectrometry was applied to aristolochic acid (AA) nephrotoxicity rats to characterize the excretion pathways of endogenous metabolites. RESULTS Compared with the control rats, serum creatinine, serum blood urea nitrogen and urine protein levels were significantly increased in AA nephrotoxicity rats. Metabolomics showed that metabolites including citrate, aconitate, fumarate, glucose, creatinine, p-cresyl sulfate, indoxyl sulfate, hippuric acid, phenylacetylglycine, kynurenic acid, indole-3-carboxylic acid, spermine, uric acid, allantoin, cholic acid and taurine were identified in AA nephrotoxicity rats. CONCLUSION The identified metabolites suggested that AA nephrotoxicity rats occurred perturbations in Krebs cycle, gut microflora metabolism, amino acid metabolism, purine metabolism and bile acid biosynthesis.
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32
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Schultz L, Zurich MG, Culot M, da Costa A, Landry C, Bellwon P, Kristl T, Hörmann K, Ruzek S, Aiche S, Reinert K, Bielow C, Gosselet F, Cecchelli R, Huber CG, Schroeder OHU, Gramowski-Voss A, Weiss DG, Bal-Price A. Evaluation of drug-induced neurotoxicity based on metabolomics, proteomics and electrical activity measurements in complementary CNS in vitro models. Toxicol In Vitro 2015; 30:138-65. [DOI: 10.1016/j.tiv.2015.05.016] [Citation(s) in RCA: 47] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2014] [Revised: 03/26/2015] [Accepted: 05/18/2015] [Indexed: 12/14/2022]
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Barrios C, Spector TD, Menni C. Blood, urine and faecal metabolite profiles in the study of adult renal disease. Arch Biochem Biophys 2015; 589:81-92. [PMID: 26476344 DOI: 10.1016/j.abb.2015.10.006] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2015] [Revised: 10/08/2015] [Accepted: 10/09/2015] [Indexed: 01/04/2023]
Abstract
Chronic kidney disease (CKD) is a major public health burden and to date traditional biomarkers of renal function (such as serum creatinine and cystatin C) are unable to identify at-risk individuals before the disease process is well under way. To help preventive strategies and maximize the potential for effective interventions, it is important to characterise the molecular changes that take place in the development of renal damage. Metabolomics is a promising tool to identify markers of renal disease since the kidneys are involved in the handling of major biochemical classes of metabolites. These metabolite levels capture a snap-shot of the metabolic profile of the individual, allowing for the potential identification of early biomarkers, and the monitoring of real-time kidney function. In this review, we describe the current status of the identification of blood/urine/faecal metabolic biomarkers in different entities of kidney diseases including: acute kidney injury, chronic kidney disease, renal transplant, diabetic nephropathy and other disorders.
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Affiliation(s)
- Clara Barrios
- Department of Twin Research and Genetic Epidemiology, King's College London, London, UK; Department of Nephrology, Hospital del Mar. Institut Mar d'Investigacions Mediques, Barcelona, Spain
| | - Tim D Spector
- Department of Twin Research and Genetic Epidemiology, King's College London, London, UK
| | - Cristina Menni
- Department of Twin Research and Genetic Epidemiology, King's College London, London, UK.
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Colon-derived uremic biomarkers induced by the acute toxicity of Kansui radix: A metabolomics study of rat plasma and intestinal contents by UPLC-QTOF-MS(E). J Chromatogr B Analyt Technol Biomed Life Sci 2015; 1026:193-203. [PMID: 26433353 DOI: 10.1016/j.jchromb.2015.09.022] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2015] [Revised: 09/03/2015] [Accepted: 09/17/2015] [Indexed: 11/21/2022]
Abstract
Kansui radix (KR) is a poisonous Chinese herbal medicine recorded in the Chinese Pharmacopoeia, and the acute toxicity obstructs its clinical applications. To explore its acute toxicity mechanism to enhance clinical safety, a metabolomics study based on UPLC-ESI-QTOF-MS(E) was performed. Wistar rats were exposed for 4h to the aqueous and ethyl acetate extracts prepared from KR at a high dose (25g/kg). The contents of six different sections of rat intestine, including the duodenum, jejunum, ileum, cecum, colon, and rectum were collected as samples for the first time, as well as the rat plasma. The interesting results showed that only those rats exposed to the ethyl acetate extract showed a watery diarrhea, similar to the observed acute human toxicity. The identified biomarkers found in the plasma, such as phenol sulfate, indoxyl sulfate, and p-cresol sulfate were significantly perturbed in the rats. These biomarkers are known as colon-derived uremic compounds, which were first reported with respect to KR. The three essential amino acids which produced these biomarkers were only found in the contents of colon and rectum. A hypothesis was proposed that only the colon-derived uremic compounds induced by KR might be responsible for the acute toxicity. Three traditional process methods to reduce the toxicity of KR were compared based on these biomarkers, and different levels of toxicity modulation were observed. These results may be helpful to further understand the mechanism of acute toxicity, and the relevance of the traditional process methods to ameliorate the adverse effects of KR.
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Urinary kidney injury molecule-1 and monocyte chemotactic protein-1 are noninvasive biomarkers of cisplatin-induced nephrotoxicity in lung cancer patients. Cancer Chemother Pharmacol 2015; 76:989-96. [PMID: 26407820 DOI: 10.1007/s00280-015-2880-y] [Citation(s) in RCA: 57] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2015] [Accepted: 09/17/2015] [Indexed: 10/23/2022]
Abstract
PURPOSE Acute kidney injury (AKI) is a common and serious adverse effect of cisplatin-based chemotherapy. However, traditional markers of kidney function, such as serum creatinine, are suboptimal, because they are not sensitive measures of proximal tubular injury. We aimed to determine whether the new urinary biomarkers such as kidney injury molecule-1 (KIM-1), monocyte chemotactic protein-1 (MCP-1), and neutrophil gelatinase-associated lipocalin (NGAL) could detect cisplatin-induced AKI in lung cancer patients in comparison with the conventional urinary proteins such as N-acetyl-β-D-glucosaminidase (NAG) and β2-microglobulin. METHODS We measured KIM-1, MCP-1, NGAL, NAG, and β2-microglobulin concentrations in urine samples from 11 lung cancer patients, which were collected the day before cisplatin administration and on days 3, 7, and 14. Subsequently, we evaluated these biomarkers by comparing their concentrations in 30 AKI positive (+) and 12 AKI negative (-) samples and performing receiver operating characteristic (ROC) curve analyses. RESULTS The urinary levels normalized with urine creatinine of KIM-1 and MCP-1, but not NGAL, NAG, and β2-microglobulin in AKI (+) samples were significantly higher than those in AKI (-) samples. In addition, ROC curve analyses revealed that KIM-1 and MCP-1, but not NGAL, could detect AKI with high accuracy (area under the curve [AUC] = 0.858, 0.850, and 0.608, respectively). The combination of KIM-1 and MCP-1 outperformed either biomarker alone (AUC = 0.871). CONCLUSIONS Urinary KIM-1 and MCP-1, either alone or in combination, may represent biomarkers of cisplatin-induced AKI in lung cancer patients.
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Davies JA. Self-organized Kidney Rudiments: Prospects for Better in vitro Nephrotoxicity Assays. Biomark Insights 2015; 10:117-23. [PMID: 26244008 PMCID: PMC4507472 DOI: 10.4137/bmi.s20056] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2015] [Revised: 03/08/2015] [Accepted: 03/11/2015] [Indexed: 12/29/2022] Open
Abstract
Kidneys are essential to life but vulnerable to a range of toxicants, including therapeutic drugs and their metabolites. Indeed, nephrotoxicity is often a limiting factor in both drug use and drug development. Most toxicants damage kidneys by one of four mechanisms: damage to the membrane and its junctions, oxidative stress and free radical generation, activation of inflammatory processes, and interference with vascular regulation. Traditionally, animal models were used in preclinical screening for nephrotoxicity, but these can be poorly predictive of human reactions. Animal screens have been joined by simple single-cell–type in vitro assays using primary or immortalized human cells, particularly proximal tubule cells as these are especially vulnerable to toxicants. Recent research, aimed mainly at engineering new kidneys for transplant purposes, has resulted in a method for constructing anatomically realistic mini-kidneys from renogenic stem cells. So far, this has been done only using renogenic stem cells obtained directly from mouse embryos but, in principle, it should be possible to make them from renogenically directed human-induced pluripotent cells. If this can be done, the resulting human-based mini-kidneys would be a promising system for detecting some types of nephrotoxicity and for developing nephroprotective drugs.
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Affiliation(s)
- Jamie A Davies
- Centre for Integrative Physiology, University of Edinburgh, Edinburgh, UK
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Cárdenas-González M, Jacobo Estrada T, Rodríguez-Muñoz R, Barrera-Chimal J, Bobadilla NA, Barbier OC, Del Razo LM. Sub-chronic exposure to fluoride impacts the response to a subsequent nephrotoxic treatment with gentamicin. J Appl Toxicol 2015; 36:309-19. [DOI: 10.1002/jat.3186] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2015] [Revised: 05/01/2015] [Accepted: 05/02/2015] [Indexed: 01/03/2023]
Affiliation(s)
- Mariana Cárdenas-González
- Departamento de Toxicología; Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional (CINVESTAV-IPN); México D. F. Mexico
| | - Tania Jacobo Estrada
- Departamento de Toxicología; Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional (CINVESTAV-IPN); México D. F. Mexico
| | - Rafael Rodríguez-Muñoz
- Departamento de Fisiología, Biofísica y Neurociencias; Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional (CINVESTAV-IPN); México D. F. Mexico
| | - Jonatan Barrera-Chimal
- Unidad de Fisiología Molecular. Instituto de Investigaciones Biomédicas; Universidad Nacional Autónoma de México and Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán; México D. F. Mexico
| | - Norma A. Bobadilla
- Unidad de Fisiología Molecular. Instituto de Investigaciones Biomédicas; Universidad Nacional Autónoma de México and Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán; México D. F. Mexico
| | - Olivier C. Barbier
- Departamento de Toxicología; Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional (CINVESTAV-IPN); México D. F. Mexico
| | - Luz M. Del Razo
- Departamento de Toxicología; Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional (CINVESTAV-IPN); México D. F. Mexico
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Involvement of Cholinergic and Opioid System in γ-Terpinene-Mediated Antinociception. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2015; 2015:829414. [PMID: 26170885 PMCID: PMC4480809 DOI: 10.1155/2015/829414] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/17/2014] [Revised: 01/26/2015] [Accepted: 01/26/2015] [Indexed: 01/28/2023]
Abstract
The literature shows that the monoterpenes are great candidates for the development of new drugs for the treatment of various pathological processes, including painful conditions. The gamma terpinene (γ-TPN) is a monoterpene present in plant species that have multiple pharmacological properties and has structural similarity to antinociceptive monoterpenes, such as limonene and alpha-phellandrene. The γ-TPN molecular mass was evaluated by mass spectrometry and showed a pseudomolecular ion with m/z 137.0 Da. The animals did not present any signs of acute toxicity at 2 g/kg, p.o. γ-TPN (1.562 to 50 mg/kg, p.o.) showed an antinociceptive effect in the formalin, capsaicin, and glutamate tests. γ-TPN has antinociceptive action when administered by others routes in glutamate test. To eliminate a possible sedative effect of γ-TPN, the open field and rota-rod test were conducted and the γ-TPN did not show muscle relaxant activity or central depressant effect. To investigate the mechanisms of action, the animals were pretreated with naloxone, glibenclamide, atropine, mecamylamine, or L-arginine in the glutamate test. γ-TPN antinociception was inhibited in the presence of naloxone, glibenclamide, atropine, and mecamylamine. The results suggest that the γ-TPN (p.o.) produced antinociceptive effect in models of chemical nociception through the cholinergic and opioid systems involvement.
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Hanna MH, Brophy PD. Metabolomics in pediatric nephrology: emerging concepts. Pediatr Nephrol 2015; 30:881-7. [PMID: 25027575 PMCID: PMC4297580 DOI: 10.1007/s00467-014-2880-x] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/22/2014] [Revised: 06/04/2014] [Accepted: 06/04/2014] [Indexed: 10/25/2022]
Abstract
Metabolomics, the latest of the "omics" sciences, refers to the systematic study of metabolites and their changes in biological samples due to physiological stimuli and/or genetic modification. Because metabolites represent the downstream expression of genome, transcriptome, and proteome, they can closely reflect the phenotype of an organism at a specific time. As an emerging field in analytical biochemistry, metabolomics has the potential to play a major role in monitoring real-time kidney function and detecting adverse renal events. Additionally, small molecule metabolites can provide mechanistic insights into novel biomarkers of kidney diseases, given the limitations of the current traditional markers. The clinical utility of metabolomics in the field of pediatric nephrology includes biomarker discovery, defining as yet unrecognized biological therapeutic targets, linking of metabolites to relevant standard indices and clinical outcomes, and providing a window of opportunity to investigate the intricacies of environment/genetic interplay in specific disease states.
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Affiliation(s)
- Mina H Hanna
- Department of Pediatrics, University of Kentucky, Lexington, KY, USA
| | - Patrick D Brophy
- Department of Pediatrics, University of Iowa, Iowa City, IA, USA,Corresponding Author: Patrick D. Brophy, MD, Director Pediatric Nephrology, University of Iowa Children’s Hospital, 285 Newton Rd, 1269A CBRB, Iowa City, IA, 52242, Tel: 319-384-3090, Fax: 319-384-3050,
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van Meer L, Moerland M, Cohen AF, Burggraaf J. Urinary kidney biomarkers for early detection of nephrotoxicity in clinical drug development. Br J Clin Pharmacol 2015; 77:947-57. [PMID: 24219059 DOI: 10.1111/bcp.12282] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2013] [Accepted: 10/31/2013] [Indexed: 01/09/2023] Open
Abstract
Early detection of drug-induced kidney injury is vital in drug development. Generally accepted biomarkers such as creatinine and blood urea nitrogen (BUN) lack sensitivity and early injury responses are missed. Many new biomarkers to detect nephrotoxicity for pre-clinical utilization have been described and their use is adopted in regulatory guidelines. However, guidance on appropriate biomarkers for clinical trials is minimal. We provide an overview of potentially useful kidney biomarkers that can be used in clinical trials. This includes guidance to select biomarkers suitable to capture specific characteristics of the (expected) kidney injury. We conclude that measurement of urinary kidney injury marker-1 (KIM-1) serves many purposes and is often an appropriate choice. Cystatin C captures effects on glomerular filtration rate (GFR), but this marker should preferably be combined with more specific markers to localize the origin of the observed effect. Untoward effects on tubules can be captured relatively well with several markers. Direct detection of glomerular injury is currently impossible since specific biomarkers are lacking. Indirect assessment of toxic effects on glomeruli is possible by using carefully selected panels of other injury markers. We conclude that it is possible to obtain appropriate information on nephrotoxicity in clinical drug development by using carefully selected panels of injury markers and suggest that identification and validation of specific glomerular biomarkers could be of great value.
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Shin YJ, Kim JJ, Kim YJ, Kim WH, Park EY, Kim IY, Shin HS, Kim KS, Lee EK, Chung KH, Lee BM, Kim HS. Protective Effects of Quercetin Against HgCl₂-Induced Nephrotoxicity in Sprague-Dawley Rats. J Med Food 2015; 18:524-34. [PMID: 25692400 DOI: 10.1089/jmf.2014.3242] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023] Open
Abstract
Mercury is a well-known environmental pollutant that can cause nephropathic diseases, including acute kidney injury (AKI). Although quercetin (QC), a natural flavonoid, has been reported to have medicinal properties, its potential protective effects against mercury-induced AKI have not been evaluated. In this study, the protective effect of QC against mercury-induced AKI was investigated using biochemical parameters, new protein-based urinary biomarkers, and a histopathological approach. A 250 mg/kg dose of QC was administered orally to Sprague-Dawley male rats for 3 days before administration of mercury chloride (HgCl2). All animals were sacrificed at 24 h after HgCl2 treatment, and biomarkers associated with nephrotoxicity were measured. Our data showed that QC absolutely prevented HgCl2-induced AKI, as indicated by biochemical parameters such as blood urea nitrogen (BUN) and serum creatinine (sCr). In particular, QC markedly decreased the accumulation of Hg in the kidney. Urinary excretion of protein-based biomarkers, including clusterin, kidney injury molecule-1 (KIM-1), neutrophil gelatinase-associated lipocalin (NGAL), monocyte chemoattractant protein-1 (MCP-1), tissue inhibitor of metalloproteinases 1 (TIMP-1), and vascular endothelial growth factor (VEGF) in response to HgCl2 administration were significantly decreased by QC pretreatment relative to that in the HgCl2-treated group. Furthermore, urinary excretion of metallothionein and Hg were significantly elevated by QC pretreatment. Histopathological examination indicated that QC protected against HgCl2-induced proximal tubular damage in the kidney. A TUNEL assay indicated that QC pretreatment significantly reduced apoptotic cell death in the kidney. The administration of QC provided significant protective effects against mercury-induced AKI.
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Affiliation(s)
- Yu Jin Shin
- 1 College of Pharmacy, Pusan National University , Busan, South Korea
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Benjamin A, Gallacher DJ, Greiter-Wilke A, Guillon JM, Kasai C, Ledieu D, Levesque P, Prelle K, Ratcliffe S, Sannajust F, Valentin JP. Renal studies in safety pharmacology and toxicology: A survey conducted in the top 15 pharmaceutical companies. J Pharmacol Toxicol Methods 2015; 75:101-10. [PMID: 25637943 DOI: 10.1016/j.vascn.2015.01.004] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2014] [Revised: 01/08/2015] [Accepted: 01/14/2015] [Indexed: 12/11/2022]
Abstract
INTRODUCTION With the recent development of more sensitive biomarkers to assess kidney injury preclinically, a survey was designed i) to investigate what strategies are used to investigate renal toxicity in both ICH S7A compliant Safety Pharmacology (SP) studies after a single dose of a compound and within repeat-dose toxicity studies by large pharmaceutical companies today; ii) to understand whether renal SP studies have impact or utility in drug development and/or if it may be more appropriate to assess renal effects after multiple doses of compounds; iii) to ascertain how much mechanistic work is performed by the top 15 largest pharmaceutical companies (as determined by R&D revenue size); iv) to gain an insight into the impact of the validation of DIKI biomarkers and their introduction in the safety evaluation paradigm; and v) to understand the impact of renal/urinary safety study data on progression of projects. METHODS Two short anonymous surveys were submitted to SP leaders of the top 15 pharmaceutical companies, as defined by 2012 R&D portfolio size. Fourteen multiple choice questions were designed to explore the strategies used to investigate renal effects in both ICH S7A compliant SP studies and within toxicology studies. RESULTS A 67% and 60% response rate was obtained in the first and second surveys, respectively. Nine out of ten respondent companies conduct renal excretory measurements (eg. urine analysis) in toxicology studies whereas only five out of ten conduct specific renal SP studies; and all of those 5 also conduct the renal excretory measurements in toxicology studies. These companies measure and/or calculate a variety of parameters as part of these studies, and also on a case by case basis include regulatory qualified and non-qualified DIKI biomarkers. Finally, only one company has used renal/urinary functional data alone to stop a project, whereas the majority of respondents combine renal data with other target organ assessments to form an integrated decision-making set. CONCLUSION These short surveys highlighted areas of similarity: a) urinary measurements are most commonly taken on repeat-dose toxicity studies, and b) renal SP studies are less often utilised. The two major differences are a) lack of consistent use of DIKI biomarkers in urinary safety studies and b) the way large pharmaceutical companies assess renal function. Finally, suggestions were made to improve the safety assessment methods for determining the safety of compounds with potential renal liability.
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Affiliation(s)
- Amanda Benjamin
- Safety Pharmacology Centre of Excellence, Drug Safety and Metabolism, AstraZeneca R&D Alderley Park, Macclesfield, Cheshire SK10 4TG, United Kingdom.
| | - David J Gallacher
- Center of Excellence for Cardiovascular Safety Research & Mechanistic Pharmacology Janssen, Pharmaceutical Companies of Johnson & Johnson, Beerse, Belgium
| | | | - Jean-Michel Guillon
- Sanofi R&D, Preclinical Safety, Safety Pharmacology, 13 quai Jules Guesde, 94400 Vitry sur Seine, France
| | - Cheiko Kasai
- Drug Safety Research Labs, Astellas Pharma Inc., 2-1-6, Kashima, Yodogawa-ku, Osaka 532-8514, Japan
| | - David Ledieu
- Novartis Pharma AG, Preclinical Safety, Basel, Switzerland
| | | | - Katja Prelle
- Safety Pharmacology, Bayer HealthCare, Wuppertal, Germany
| | - Sian Ratcliffe
- Drug Safety Research and Development, Pfizer, Eastern Point Road, Groton, CT 0634, USA
| | - Frederick Sannajust
- Safety & Exploratory Pharmacology, Merck Research Laboratories, SALAR Division, 770 Sumneytown Pike, P.O. Box 4, West-Point, PA 19486-0004, USA
| | - Jean-Pierre Valentin
- Safety Pharmacology Centre of Excellence, Drug Safety and Metabolism, AstraZeneca R&D Alderley Park, Macclesfield, Cheshire SK10 4TG, United Kingdom
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Abstract
The kidney is a complex excretory organ playing a crucial role in various physiological processes such as fluid and electrolyte balance, control of blood pressure, removal of waste products, and drug disposition. Drug-induced kidney injury (DIKI) remains a significant cause of candidate drug attrition during drug development. However, the incidence of renal toxicities in preclinical studies is low, and the mechanisms by which drugs induce kidney injury are still poorly understood. Although some in vitro investigational tools have been developed, the in vivo assessment of renal function remains the most widely used methodology to identify DIKI. Stand-alone safety pharmacology studies usually include assessment of glomerular and hemodynamic function, coupled with urine and plasma analyses. However, as renal function is not part of the ICH S7A core battery, such studies are not routinely conducted by pharmaceutical companies. The most common approach consists in integrating renal/urinary measurements in repeat-dose toxicity studies. In addition to the standard analyses and histopathological examination of kidneys, novel promising urinary biomarkers have emerged over the last decade, offering greater sensitivity and specificity than traditional renal parameters. Seven of these biomarkers have been qualified by regulatory agencies for use in rat toxicity studies.
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Dong G, Wang J, Guo P, Wei D, Yang M, Kong L. Toxicity assessment of Arisaematis Rhizoma in rats by a 1H NMR-based metabolomics approach. MOLECULAR BIOSYSTEMS 2015; 11:407-17. [DOI: 10.1039/c4mb00583j] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
A 1H NMR based metabolomics approach combined with serum biochemistry and histopathological examination was used to study the toxicity of Arisaematis Rhizoma by intragastrical administration for the first time.
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Affiliation(s)
- Ge Dong
- State Key Laboratory of Natural Medicines
- Department of Natural Medicinal Chemistry
- China Pharmaceutical University
- Nanjing
- P.R. China
| | - Junsong Wang
- Center for Molecular Metabolism
- Nanjing University of Science and Technology
- Nanjing
- P.R. China
| | - Pingping Guo
- State Key Laboratory of Natural Medicines
- Department of Natural Medicinal Chemistry
- China Pharmaceutical University
- Nanjing
- P.R. China
| | - Dandan Wei
- State Key Laboratory of Natural Medicines
- Department of Natural Medicinal Chemistry
- China Pharmaceutical University
- Nanjing
- P.R. China
| | - Minghua Yang
- State Key Laboratory of Natural Medicines
- Department of Natural Medicinal Chemistry
- China Pharmaceutical University
- Nanjing
- P.R. China
| | - Lingyi Kong
- State Key Laboratory of Natural Medicines
- Department of Natural Medicinal Chemistry
- China Pharmaceutical University
- Nanjing
- P.R. China
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Abstract
Being an emerging field of "omics" research, metabonomics has been increasingly used in toxicological studies mostly because this technology has the ability to provide more detailed information to elucidate mechanism of toxicity. As an interdisciplinary field of science, metabonomics combines analytical chemistry, bioinformatics, statistics, and biochemistry. When applied to toxicology, metabonomics also includes aspects of patho-biochemistry, systems biology, and molecular diagnostics. During a toxicological study, the metabolic changes over time and dose after chemical treatment can be monitored. Therefore, the most important use of this emerging technology is the identification of signatures of toxicity-patterns of metabolic changes predictive of a hazard manifestation. This chapter summarizes the current state of metabonomics technology and its applications in various areas of toxicological studies.
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Affiliation(s)
- Liang Zhao
- Center for Alternatives to Animal Testing, Department of Environmental Health Sciences, Bloomberg School of Public Health, Johns Hopkins University, 615 N. Wolfe Street, Baltimore, MD, 21205, USA
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Wilmes A, Bielow C, Ranninger C, Bellwon P, Aschauer L, Limonciel A, Chassaigne H, Kristl T, Aiche S, Huber CG, Guillou C, Hewitt P, Leonard MO, Dekant W, Bois F, Jennings P. Mechanism of cisplatin proximal tubule toxicity revealed by integrating transcriptomics, proteomics, metabolomics and biokinetics. Toxicol In Vitro 2014; 30:117-27. [PMID: 25450742 DOI: 10.1016/j.tiv.2014.10.006] [Citation(s) in RCA: 80] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2014] [Revised: 09/18/2014] [Accepted: 10/02/2014] [Indexed: 11/19/2022]
Abstract
Cisplatin is one of the most widely used chemotherapeutic agents for the treatment of solid tumours. The major dose-limiting factor is nephrotoxicity, in particular in the proximal tubule. Here, we use an integrated omics approach, including transcriptomics, proteomics and metabolomics coupled to biokinetics to identify cell stress response pathways induced by cisplatin. The human renal proximal tubular cell line RPTEC/TERT1 was treated with sub-cytotoxic concentrations of cisplatin (0.5 and 2 μM) in a daily repeat dose treating regime for up to 14 days. Biokinetic analysis showed that cisplatin was taken up from the basolateral compartment, transported to the apical compartment, and accumulated in cells over time. This is in line with basolateral uptake of cisplatin via organic cation transporter 2 and bioactivation via gamma-glutamyl transpeptidase located on the apical side of proximal tubular cells. Cisplatin affected several pathways including, p53 signalling, Nrf2 mediated oxidative stress response, mitochondrial processes, mTOR and AMPK signalling. In addition, we identified novel pathways changed by cisplatin, including eIF2 signalling, actin nucleation via the ARP/WASP complex and regulation of cell polarization. In conclusion, using an integrated omic approach together with biokinetics we have identified both novel and established mechanisms of cisplatin toxicity.
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Affiliation(s)
- Anja Wilmes
- Division of Physiology, Department of Physiology and Medical Physics, Medical University of Innsbruck, Innsbruck 6020, Austria.
| | - Chris Bielow
- Institute of Computer Science, Department of Mathematics and Computer Science, Freie Universität Berlin, Berlin 14195, Germany
| | - Christina Ranninger
- Department of Molecular Biology, Division of Chemistry and Bioanalytics, University of Salzburg, Salzburg 5020, Austria
| | - Patricia Bellwon
- Department of Toxicology, University of Würzburg, Würzburg 97078, Germany
| | - Lydia Aschauer
- Division of Physiology, Department of Physiology and Medical Physics, Medical University of Innsbruck, Innsbruck 6020, Austria
| | - Alice Limonciel
- Division of Physiology, Department of Physiology and Medical Physics, Medical University of Innsbruck, Innsbruck 6020, Austria
| | - Hubert Chassaigne
- European Commission, Joint Research Centre (JRC), Institute for Health and Consumer Protection, Chemical Assessment and Testing Unit, Via Enrico Fermi 2749, I-21027 Ispra, Italy
| | - Theresa Kristl
- Department of Molecular Biology, Division of Chemistry and Bioanalytics, University of Salzburg, Salzburg 5020, Austria
| | - Stephan Aiche
- Institute of Computer Science, Department of Mathematics and Computer Science, Freie Universität Berlin, Berlin 14195, Germany
| | - Christian G Huber
- Department of Toxicology, University of Würzburg, Würzburg 97078, Germany
| | - Claude Guillou
- European Commission, Joint Research Centre (JRC), Institute for Health and Consumer Protection, Chemical Assessment and Testing Unit, Via Enrico Fermi 2749, I-21027 Ispra, Italy
| | - Philipp Hewitt
- Merck KGaA, Merck Serono, Nonclinical Safety, Darmstadt 64293, Germany
| | - Martin O Leonard
- Centre for Radiation, Chemical and Environmental Hazard, Public Health England, Chilton, Didcot OX11 0RQ, UK
| | - Wolfgang Dekant
- Department of Toxicology, University of Würzburg, Würzburg 97078, Germany
| | - Frederic Bois
- Université de Technologie de Compiègne, Compiègne Cedex 60205, France
| | - Paul Jennings
- Division of Physiology, Department of Physiology and Medical Physics, Medical University of Innsbruck, Innsbruck 6020, Austria
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Abstract
Nephrotoxicity or renal toxicity can be a result of hemodynamic changes, direct injury to cells and tissue, inflammatory tissue injury, and/or obstruction of renal excretion. Nephrotoxicity is frequently induced by a wide spectrum of therapeutic drugs and environ mental pollutants. Knowledge of the complex molecular and pathophysiologic mechanisms leading to nephrotoxicity remains limited, in part, by research that historically focused on single or relatively few risk markers. As such, current kidney injury biomarkers are inadequate in terms of sensitivity and specificity. In contrast, metabolomics enables screening of a vast array of metabolites simultaneously using NMR and MS to assess their role in nephrotoxicity development and progression. A more comprehensive understanding of these biochemical pathways would also provide valuable insight to disease mechanisms critical for drug development and treatment.
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Astashkina AI, Jones CF, Thiagarajan G, Kurtzeborn K, Ghandehari H, Brooks BD, Grainger DW. Nanoparticle toxicity assessment using an in vitro 3-D kidney organoid culture model. Biomaterials 2014; 35:6323-31. [DOI: 10.1016/j.biomaterials.2014.04.060] [Citation(s) in RCA: 56] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2014] [Accepted: 04/16/2014] [Indexed: 11/16/2022]
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49
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Guo P, Wang J, Dong G, Wei D, Li M, Yang M, Kong L. NMR-based metabolomics approach to study the chronic toxicity of crude ricin from castor bean kernels on rats. MOLECULAR BIOSYSTEMS 2014; 10:2426-40. [PMID: 24992468 DOI: 10.1039/c4mb00251b] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/16/2023]
Abstract
Ricin, a large, water soluble toxic glycoprotein, is distributed majorly in the kernels of castor beans (the seeds of Ricinus communis L.) and has been used in traditional Chinese medicine (TCM) or other folk remedies throughout the world. The toxicity of crude ricin (CR) from castor bean kernels was investigated for the first time using an NMR-based metabolomic approach complemented with histopathological inspection and clinical chemistry. The chronic administration of CR could cause kidney and lung impairment, spleen and thymus dysfunction and diminished nutrient intake in rats. An orthogonal signal correction partial least-squares discriminant analysis (OSC-PLSDA) of metabolomic profiles of rat biofluids highlighted a number of metabolic disturbances induced by CR. Long-term CR treatment produced perturbations on energy metabolism, nitrogen metabolism, amino acid metabolism and kynurenine pathway, and evoked oxidative stress. These findings could explain well the CR induced nephrotoxicity and pulmonary toxicity, and provided several potential biomarkers for diagnostics of these toxicities. Such a (1)H NMR based metabolomics approach showed its ability to give a systematic and holistic view of the response of an organism to drugs and is suitable for dynamic studies on the toxicological effects of TCM.
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Affiliation(s)
- Pingping Guo
- State Key Laboratory of Natural Medicines, Department of Natural Medicinal Chemistry, China Pharmaceutical University, 24 Tong Jia Xiang, Nanjing 210009, PR China.
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Sengupta M, Cheema A, Kaminski HJ, Kusner LL. Serum metabolomic response of myasthenia gravis patients to chronic prednisone treatment. PLoS One 2014; 9:e102635. [PMID: 25032816 PMCID: PMC4102553 DOI: 10.1371/journal.pone.0102635] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2013] [Accepted: 06/23/2014] [Indexed: 12/14/2022] Open
Abstract
Prednisone is often used for the treatment of autoimmune and inflammatory diseases but they suffer from variable therapeutic responses and significant adverse effects. Serum biological markers that are modulated by chronic corticosteroid use have not been identified. Myasthenia gravis is an autoimmune neuromuscular disorder caused by antibodies directed against proteins present at the post-synaptic surface of neuromuscular junction resulting in weakness. The patients with myasthenia gravis are primarily treated with prednisone. We analyzed the metabolomic profile of serum collected from patients prior to and after 12 weeks of prednisone treatment during a clinical trial. Our aim was to identify metabolites that may be treatment responsive and be evaluated in future studies as potential biomarkers of efficacy or adverse effects. Ultra-performance liquid chromatography coupled with electro-spray quadrupole time of flight mass spectrometry was used to obtain comparative metabolomic and lipidomic profile. Untargeted metabolic profiling of serum showed a clear distinction between pre- and post- treatment groups. Chronic prednisone treatment caused upregulation of membrane associated glycerophospholipids: phosphatidylcholine, phosphatidylethanolamine, phosphatidylserine, 1, 2-diacyl-sn glycerol 3 phosphate and 1-Acyl-sn-glycero-3-phosphocholine. Arachidonic acid (AA) and AA derived pro-inflammatory eicosanoids such as 18-carboxy dinor leukotriene B4 and 15 hydroxyeicosatetraenoic acids were reduced. Perturbations in amino acid, carbohydrate, vitamin and lipid metabolism were observed. Chronic prednisone treatment caused increase in membrane associated glycerophospholipids, which may be associated with certain adverse effects. Decrease of AA and AA derived pro-inflammatory eicosanoids demonstrate that immunosuppression by corticosteroid is via suppression of pro-inflammatory pathways. The study identified metabolomic fingerprints that can now be validated as prednisone responsive biomarkers for the improvement in diagnostic accuracy and prediction of therapeutic outcome.
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Affiliation(s)
- Manjistha Sengupta
- Department of Neurology, George Washington University, Washington, DC, United States of America
| | - Amrita Cheema
- Department of Oncology, Lombardi Comprehensive Cancer Center, Georgetown University Medical Center, Washington, DC, United States of America
| | - Henry J. Kaminski
- Department of Neurology, George Washington University, Washington, DC, United States of America
| | - Linda L. Kusner
- Department of Pharmacology and Physiology, George Washington University, Washington, DC, United States of America
- * E-mail:
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