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Jain VK, Jain K, Popli H. Conjugates of amphotericin B to resolve challenges associated with its delivery. Expert Opin Drug Deliv 2024; 21:187-210. [PMID: 38243810 DOI: 10.1080/17425247.2024.2308073] [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: 08/23/2023] [Accepted: 01/17/2024] [Indexed: 01/22/2024]
Abstract
INTRODUCTION Amphotericin B (AmB), a promising antifungal and antileishmanial drug, acts on the membrane of microorganisms. The clinical use of AmB is limited due to issues associated with its delivery including poor solubility and bioavailability, instability in acidic media, poor intestinal permeability, dose and aggregation state dependent toxicity, parenteral administration, and requirement of cold chain for transport and storage, etc. AREAS COVERED Scientists have formulated and explored various covalent conjugates of AmB to reduce its toxicity with increase in solubility, oral bioavailability, and payload or loading of AmB by using various polymers, lipids, carbon-based nanocarriers, metallic nanoparticles, and vesicular carriers, etc. In this article, we have reviewed various conjugates of AmB with polymers and nanomaterials explored for its delivery to give a deep insight regarding further exploration in future. EXPERT OPINION Covalent conjugates of AmB have been investigated by scientists, and preliminary in vitro and animal investigations have given successful results, which are required to be validated further with systematic investigation on safety and therapeutic efficacy in animals followed by clinical trials.
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Affiliation(s)
- Vineet Kumar Jain
- Department of Pharmaceutics, Delhi Pharmaceutical Sciences and Research University (DPSRU), New Delhi, India
| | - Keerti Jain
- Drug Delivery and Nanomedicine Research Laboratory, Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER) - Raebareli, Lucknow, India
| | - Harvinder Popli
- Department of Pharmaceutics, Delhi Pharmaceutical Sciences and Research University (DPSRU), New Delhi, India
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Opitz P, Fobker M, Fabian J, Hempel G. Development and validation of a bioanalytical method for the quantification of methotrexate from serum and capillary blood using volumetric absorptive microsampling (VAMS) and on-line solid phase extraction (SPE) LC-MS. J Chromatogr A 2024; 1715:464610. [PMID: 38157584 DOI: 10.1016/j.chroma.2023.464610] [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: 11/01/2023] [Revised: 12/21/2023] [Accepted: 12/25/2023] [Indexed: 01/03/2024]
Abstract
High-dose methotrexate is part of the polychemotherapy protocols for the treatment of Acute lymphoblastic leukaemia (ALL) with therapeutic drug monitoring (TDM) to adjust leucovorin rescue. An immunoassay is commonly used to analyse serum samples collected via venous blood sampling. However, immunoassays cannot distinguish between the parent drug and its metabolites. Besides, the blood volume required by venous blood sampling is high. Therefore, the aim of this project was to develop a fast, simple, reliable and cost-efficient micro sampling bioanalytical method using capillary blood to minimize the harm of children and to analyse both methotrexate and its metabolites. To achieve this aim, a LC-MS method with on-line solid phase extraction (SPE) for the simultaneous detection of methotrexate and its metabolites from capillary blood using volumetric-absorptive-microsampling (VAMS) technology was developed and fully validated. Besides, the method was also validated and modified for serum samples to compare the results with the immunoassay. A single-quadrupole MS detector was used for detection. Through the use of on-line SPE technology, a lower limit of quantitation of 0.03 µM for MTX and 7-OH-MTX and of 0.05 µM for DAMPA from a 10 μL capillary blood sample was achieved. The accuracy is between 90.0 and 104% and the precision between 4.7 and 12% for methotrexate and its metabolites, respectively. Because of the cross reactivity of the immunoassay a cross-validation was not successful. Besides, a correlation factor of 0.46 for MTX between plasma and whole-blood was found. A fast, simple, reliable and cost-efficient extraction and analysis LC-MS method could be developed and validated, which is applicable in ambulatory and clinical care.
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Affiliation(s)
- Patrick Opitz
- Department of Pharmaceutical and Medical Chemistry, Clinical Pharmacy, University of Muenster, Muenster, Germany
| | - Manfred Fobker
- University Hospital Münster - Central facility laboratory, Muenster, Germany
| | - Jörg Fabian
- Department of Pharmaceutical and Medical Chemistry, Clinical Pharmacy, University of Muenster, Muenster, Germany
| | - Georg Hempel
- Department of Pharmaceutical and Medical Chemistry, Clinical Pharmacy, University of Muenster, Muenster, Germany.
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Zhang W, Cui N, Su F, Sun Y, Li B, Zhang Z, Zeng Y, Guan W, Yang B, Wang Q, Kuang H. Therapeutic impact of stachyose on hyperlipidaemia caused by a high-fat diet in mice as revealed by gut microbiota and metabolomics. Curr Res Food Sci 2023; 7:100638. [PMID: 38045511 PMCID: PMC10692757 DOI: 10.1016/j.crfs.2023.100638] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2023] [Revised: 10/31/2023] [Accepted: 11/07/2023] [Indexed: 12/05/2023] Open
Abstract
Hyperlipidaemia, which is characterized by an excess of lipids or fats in the bloodstream, is a high-risk factor and critical indicator of many metabolic diseases. This study used 16 S rRNA gene sequencing and metabolomics to determine that stachyose (ST) has a therapeutic effect and is a mechanism of hyperlipidaemia. These results show that ST significantly attenuated high-fat diet-induced weight gain and fat deposition while also adjusting the gut microbial composition. Untargeted serum metabolomics identified 12 biomarkers, which suggests that ST may function by regulating metabolic pathways. These results highlight the potential of ST in treating hyperlipidaemia and provides directions for future research including an in-depth investigation of the bioactive components, dosage, and treatment strategies of ST.
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Affiliation(s)
- Wensen Zhang
- Key Laboratory of Basic and Application Research of Beiyao (Heilongjiang University of Chinese Medicine), Ministry of Education, 24 Heping Road, Xiangfang District, Harbin, 150040, China
| | - Na Cui
- Key Laboratory of Basic and Application Research of Beiyao (Heilongjiang University of Chinese Medicine), Ministry of Education, 24 Heping Road, Xiangfang District, Harbin, 150040, China
| | - Fazhi Su
- Key Laboratory of Basic and Application Research of Beiyao (Heilongjiang University of Chinese Medicine), Ministry of Education, 24 Heping Road, Xiangfang District, Harbin, 150040, China
| | - Yanping Sun
- Key Laboratory of Basic and Application Research of Beiyao (Heilongjiang University of Chinese Medicine), Ministry of Education, 24 Heping Road, Xiangfang District, Harbin, 150040, China
| | - Biao Li
- Key Laboratory of Basic and Application Research of Beiyao (Heilongjiang University of Chinese Medicine), Ministry of Education, 24 Heping Road, Xiangfang District, Harbin, 150040, China
| | - Zhihong Zhang
- Key Laboratory of Basic and Application Research of Beiyao (Heilongjiang University of Chinese Medicine), Ministry of Education, 24 Heping Road, Xiangfang District, Harbin, 150040, China
| | - Yuanning Zeng
- Guangdong Engineering Technology Research Center for Standardized Processing of Chinese Materia Medica (Guangdong Pharmaceutical University, School of Chinese Materia Medica), Guangdong, 510006, China
| | - Wei Guan
- Key Laboratory of Basic and Application Research of Beiyao (Heilongjiang University of Chinese Medicine), Ministry of Education, 24 Heping Road, Xiangfang District, Harbin, 150040, China
| | - Bingyou Yang
- Key Laboratory of Basic and Application Research of Beiyao (Heilongjiang University of Chinese Medicine), Ministry of Education, 24 Heping Road, Xiangfang District, Harbin, 150040, China
| | - Qiuhong Wang
- Guangdong Engineering Technology Research Center for Standardized Processing of Chinese Materia Medica (Guangdong Pharmaceutical University, School of Chinese Materia Medica), Guangdong, 510006, China
| | - Haixue Kuang
- Key Laboratory of Basic and Application Research of Beiyao (Heilongjiang University of Chinese Medicine), Ministry of Education, 24 Heping Road, Xiangfang District, Harbin, 150040, China
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4
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Buddington RK, Wong T, Buddington KK, Mikkelsen TS, Cao X, Howard SC. Early clinical indicators of acute kidney injury caused by administering high-dose methotrexate therapy to juvenile pigs. FRONTIERS IN NEPHROLOGY 2023; 3:1193494. [PMID: 37790293 PMCID: PMC10542898 DOI: 10.3389/fneph.2023.1193494] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/24/2023] [Accepted: 06/08/2023] [Indexed: 10/05/2023]
Abstract
Introduction Early identification of compromised renal clearance caused by high-dose methotrexate (HDMTX) is essential for initiating timely interventions that can reduce acute kidney injury and MTX-induced systemic toxicity. Methods We induced acute kidney injury (AKI) by infusing 42 juvenile pigs with 4 g/kg (80 g/m2) of MTX over 4 hours without high-volume alkalinizing hydration therapy. Concentrations of serum creatinine and MTX were measured at 15 time points up to 148 hours, with 10 samples collected during the first 24 hours after the start of the HDMTX infusion. Results During the first 28 hours, 81% of the pigs had increases in the concentrations of serum creatinine in one or more samples indicative of AKI (i.e., > 0.3g/dL increase). A rate of plasma MTX clearance of less than 90% during the initial 4 hours after the HDMTX infusion and a total serum creatinine increase at 6 and 8 hours after starting the infusion greater than 0.3 g/dL were predictive of AKI at 28 hours (p < 0.05 and p < 0.001, respectively). At conclusion of the infusion, pigs with a creatinine concentration more than 0.3 g/dL higher than baseline or serum MTX greater than 5,000 μmol/L had an increased risk of severe AKI. Conclusions Our findings suggest that serum samples collected at conclusion and shortly after HDMTX infusion can be used to predict impending AKI. The pig model can be used to identify biological, environmental, and iatrogenic risk factors for HDMTX-induced AKI and to evaluate interventions to preserve renal functions, minimize acute kidney injury, and reduce systemic toxicity.
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Affiliation(s)
| | - Thomas Wong
- Division of Endocrinology, University of Tennessee Health Sciences Center (UTHSC), Memphis, TN, United States
| | - Karyl K. Buddington
- Department of Biological Sciences, University of Memphis, Memphis, TN, United States
| | - Torben S. Mikkelsen
- Department of Clinical Medicine, Aarhus University Hospital, Aarhus, Denmark
| | - Xueyuan Cao
- College of Nursing, Resonance, Memphis, TN, United States
- Department of Health Promotion and Disease Prevention, University of Tennessee Health Science Center, Memphis, TN, United States
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Silva LAP, Campagnolo S, Fernandes SR, Marques SS, Barreiros L, Sampaio-Maia B, Segundo MA. Rapid and sustainable HPLC method for the determination of uremic toxins in human plasma samples. Anal Bioanal Chem 2023; 415:683-694. [PMID: 36464734 DOI: 10.1007/s00216-022-04458-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2022] [Revised: 11/04/2022] [Accepted: 11/22/2022] [Indexed: 12/11/2022]
Abstract
Protein-bound uremic toxins, mainly indoxyl sulfate (3-INDS), p-cresol sulfate (pCS), and indole-3-acetic acid (3-IAA) but also phenol (Pol) and p-cresol (pC), are progressively accumulated during chronic kidney disease (CKD). Their accurate measurement in biomatrices is demanded for timely diagnosis and adoption of appropriate therapeutic measures. Multianalyte methods allowing the establishment of a uremic metabolite profile are still missing. Hence, the aim of this work was to develop a rapid and sensitive method based on high-performance liquid chromatography with fluorescence detection for the simultaneous quantification of Pol, 3-IAA, pC, 3-INDS, and pCS in human plasma. Separation was attained in 12 min, using a monolithic C18 column and isocratic elution with acetonitrile and phosphate buffer containing an ion-pairing reagent, at a flow rate of 2 mL min-1. Standards were prepared in plasma and quantification was performed using the background subtraction approach. LOQ values were ≤ 0.2 µg mL-1 for all analytes except for pCS (LOQ of 2 µg mL-1). The method proved to be accurate (93.5-112%) and precise (CV ≤ 14.3%). The multianalyte application of the method, associated to a reduced sample volume (50 µL), a less toxic internal standard (eugenol) in comparison to the previously applied 2,6-dimethylphenol and 4-ethylphenol, and a green extraction solvent (ethanol), resulted in the AGREE score of 0.62 which is in line with the recent trend of green and sustainable analytical chemistry. The validated method was successfully applied to the analysis of plasma samples from control subjects exhibiting normal levels of uremic toxins and CKD patients presenting significantly higher levels of 3-IAA, pC, 3-INDS, and pCS that can be further investigated as biomarkers of disease progression.
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Affiliation(s)
- Luís A P Silva
- LAQV, REQUIMTE, Departamento de Ciências Químicas, Faculdade de Farmácia, Universidade do Porto, Rua de Jorge Viterbo Ferreira 228, 4050-313, Porto, Portugal
| | - Stefano Campagnolo
- LAQV, REQUIMTE, Departamento de Ciências Químicas, Faculdade de Farmácia, Universidade do Porto, Rua de Jorge Viterbo Ferreira 228, 4050-313, Porto, Portugal
| | - Sara R Fernandes
- LAQV, REQUIMTE, Departamento de Ciências Químicas, Faculdade de Farmácia, Universidade do Porto, Rua de Jorge Viterbo Ferreira 228, 4050-313, Porto, Portugal.,Escola Superior de Saúde, Instituto Politécnico do Porto, Rua Dr. António Bernardino de Almeida 400, 4200-072, Porto, Portugal
| | - Sara S Marques
- LAQV, REQUIMTE, Departamento de Ciências Químicas, Faculdade de Farmácia, Universidade do Porto, Rua de Jorge Viterbo Ferreira 228, 4050-313, Porto, Portugal
| | - Luisa Barreiros
- LAQV, REQUIMTE, Departamento de Ciências Químicas, Faculdade de Farmácia, Universidade do Porto, Rua de Jorge Viterbo Ferreira 228, 4050-313, Porto, Portugal. .,Escola Superior de Saúde, Instituto Politécnico do Porto, Rua Dr. António Bernardino de Almeida 400, 4200-072, Porto, Portugal.
| | - Benedita Sampaio-Maia
- i3S-Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Rua Alfredo Allen 280, 4200-135, Porto, Portugal.,INEB-Instituto de Engenharia Biomédica, Universidade do Porto, Rua Alfredo Allen 280, 4200-135, Porto, Portugal.,Faculdade de Medicina Dentária, Universidade do Porto, Rua Dr. Manuel Pereira da Silva, 4200-393, Porto, Portugal
| | - Marcela A Segundo
- LAQV, REQUIMTE, Departamento de Ciências Químicas, Faculdade de Farmácia, Universidade do Porto, Rua de Jorge Viterbo Ferreira 228, 4050-313, Porto, Portugal
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Fernandes SR, Meireles AN, Marques SS, Silva L, Barreiros L, Sampaio-Maia B, Miró M, Segundo MA. Sample preparation and chromatographic methods for the determination of protein-bound uremic retention solutes in human biological samples: An overview. J Chromatogr B Analyt Technol Biomed Life Sci 2023; 1215:123578. [PMID: 36610265 DOI: 10.1016/j.jchromb.2022.123578] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2022] [Revised: 12/12/2022] [Accepted: 12/15/2022] [Indexed: 12/24/2022]
Abstract
Protein-bound uremic retention solutes, such as indole-3-acetic acid, indoxyl sulfate, p-cresol and p-cresol sulfate, are associated with the development of several pathologies, namely renal, cardiovascular, and bone toxicities, due to their potential accumulation in the human body, thus requiring analytical methods for monitoring and evaluation. The present review addresses conventional and advanced sample treatment procedures for sample handling and the chromatographic analytical methods developed for quantification of these compounds in different biological fluids, with particular focus on plasma, serum, and urine. The sample preparation and chromatographic methods coupled to different detection systems are critically discussed, focusing on the different steps involved for sample treatment, namely elimination of interfering compounds present in the sample matrix, and the evaluation of their environmental impact through the AGREEprep tool. There is a clear trend for the application of liquid-chromatography coupled to tandem mass spectrometry, which requires protein precipitation, solid-phase extraction and/or dilution prior to analysis of biological samples. Furthermore, from a sustainability point of view, miniaturized methods resorting to microplate devices are highly recommended.
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Affiliation(s)
- Sara R Fernandes
- LAQV, REQUIMTE, Departamento de Ciências Químicas, Faculdade de Farmácia, Universidade do Porto, Rua de Jorge Viterbo Ferreira 228, 4050-313 Porto, Portugal; Escola Superior de Saúde, Instituto Politécnico do Porto, Rua Dr. António Bernardino de Almeida 400, 4200-072 Porto, Portugal
| | - Andreia N Meireles
- LAQV, REQUIMTE, Departamento de Ciências Químicas, Faculdade de Farmácia, Universidade do Porto, Rua de Jorge Viterbo Ferreira 228, 4050-313 Porto, Portugal
| | - Sara S Marques
- LAQV, REQUIMTE, Departamento de Ciências Químicas, Faculdade de Farmácia, Universidade do Porto, Rua de Jorge Viterbo Ferreira 228, 4050-313 Porto, Portugal
| | - Luís Silva
- LAQV, REQUIMTE, Departamento de Ciências Químicas, Faculdade de Farmácia, Universidade do Porto, Rua de Jorge Viterbo Ferreira 228, 4050-313 Porto, Portugal
| | - Luisa Barreiros
- LAQV, REQUIMTE, Departamento de Ciências Químicas, Faculdade de Farmácia, Universidade do Porto, Rua de Jorge Viterbo Ferreira 228, 4050-313 Porto, Portugal; Escola Superior de Saúde, Instituto Politécnico do Porto, Rua Dr. António Bernardino de Almeida 400, 4200-072 Porto, Portugal.
| | - Benedita Sampaio-Maia
- Faculdade de Medicina Dentária, Universidade do Porto, Rua Dr. Manuel Pereira da Silva, 4200-393 Porto, Portugal; INEB - Instituto Nacional de Engenharia Biomédica / I3S - Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Rua Alfredo Allen 208, 4200-135 Porto, Portugal
| | - Manuel Miró
- FI-TRACE group, Department of Chemistry, University of the Balearic Islands, 07122-Palma de Mallorca, Spain
| | - Marcela A Segundo
- LAQV, REQUIMTE, Departamento de Ciências Químicas, Faculdade de Farmácia, Universidade do Porto, Rua de Jorge Viterbo Ferreira 228, 4050-313 Porto, Portugal.
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Wang G, Xu J, Ma H, Mu Y, Xu W, Yan N, Liu W, Zheng D, Huang X, Li L. Phenolipid JE improves metabolic profile and inhibits gluconeogenesis via modulating AKT-mediated insulin signaling in STZ-induced diabetic mice. Pharmacol Res 2023; 187:106569. [PMID: 36427798 DOI: 10.1016/j.phrs.2022.106569] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/19/2022] [Revised: 11/13/2022] [Accepted: 11/19/2022] [Indexed: 11/26/2022]
Abstract
Phenolipids are characteristic phytochemicals of Syzygium genus. However, the antidiabetic potential and underlying molecular mechanism of these components are not fully elucidated. Herein, we studied the anti-diabetic effects of jambone E (JE), a phenolipid from S. cumini, with in vitro and in vivo models. Data from current study showed that JE enhanced glucose consumption and uptake, promoted glycogen synthesis, and suppressed gluconeogenesis in insulin resistant (IR)-HepG2 cells and primary mouse hepatocytes. JE also attenuated streptozotocin-induced hyperglycemia and hyperlipidemia in type 1 diabetic (T1D) mice. Eleven metabolites (e.g. trimethylamine n-oxide, 4-pyridoxic acid, phosphatidylinositol 39:4, phenaceturic acid, and hippuric acid) were identified as potential serum biomarkers for JE's antidiabetic effects by an untargeted metabolomics approach. The further molecular mechanistic study revealed that JE up-regulated phosphorylation levels of protein kinase B (AKT), glycogen synthase kinase 3 beta, and forkhead box O1 (FoxO1), promoted nuclear exclusion of FoxO1 whilst decreased gene expression levels of peroxisome proliferator-activated receptor gamma coactivator-1 alpha, phosphoenolpyruvate carboxykinase and glucose 6-phosphatase in IR-HepG2 cells and T1D mice. Our data suggested that JE might be a potent activator for AKT-mediated insulin signaling pathway, which was confirmed by the usage of AKT inhibitor and AKT-target siRNA interference, as well as the cellular thermal shift assay. Findings from the current study shed light on the anti-diabetic effects of phenolipids in the Syzygium species, which supports the use of medicinal plants in the Syzygium genus for potential pharmaceutical applications.
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Affiliation(s)
- Guihua Wang
- Institute of Microbial Pharmaceuticals, College of Life and Health Sciences, Northeastern University, Shenyang 110819, PR China
| | - Jialin Xu
- Institute of Biochemistry and Molecular Biology, College of Life and Health Sciences, Northeastern University, Shenyang 110169, PR China
| | - Hang Ma
- Bioactive Botanical Research Laboratory, Department of Biomedical and Pharmaceutical Sciences, College of Pharmacy, University of Rhode Island, Kingston, RI 02881, United States
| | - Yu Mu
- Institute of Microbial Pharmaceuticals, College of Life and Health Sciences, Northeastern University, Shenyang 110819, PR China
| | - Wen Xu
- Institute of Microbial Pharmaceuticals, College of Life and Health Sciences, Northeastern University, Shenyang 110819, PR China
| | - Na Yan
- Institute of Microbial Pharmaceuticals, College of Life and Health Sciences, Northeastern University, Shenyang 110819, PR China
| | - Wei Liu
- Institute of Microbial Pharmaceuticals, College of Life and Health Sciences, Northeastern University, Shenyang 110819, PR China
| | - Dan Zheng
- Institute of Microbial Pharmaceuticals, College of Life and Health Sciences, Northeastern University, Shenyang 110819, PR China
| | - Xueshi Huang
- Institute of Microbial Pharmaceuticals, College of Life and Health Sciences, Northeastern University, Shenyang 110819, PR China
| | - Liya Li
- Institute of Microbial Pharmaceuticals, College of Life and Health Sciences, Northeastern University, Shenyang 110819, PR China.
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Sakurai T, Irii T, Iwadate K. Simultaneous quantification of urea, uric acid, and creatinine in human urine by liquid chromatography/mass spectrometry. Leg Med (Tokyo) 2021; 55:102011. [PMID: 35032931 DOI: 10.1016/j.legalmed.2021.102011] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2021] [Revised: 12/18/2021] [Accepted: 12/28/2021] [Indexed: 10/19/2022]
Abstract
In forensic analysis, the identification of urine or human urine among unknown liquids plays an important role. Urea, uric acid, and creatinine are major organic compounds found in human urine. Previous studies have reported that the concentration quotients of these three compounds can be used as an index for the identification of human urine. Here we describe a method for the simultaneous quantification of urea, uric acid, and creatinine in human urine by liquid chromatography/mass spectrometry (LC/MS), with the aim of forensic identification of human urine. Separation of the three analytes was achieved by hydrophilic interaction chromatography, using a TSK gel Amide-80 column with a mobile phase composed of acetonitrile and ammonium acetate aqueous solution, coupled with detection using a mass spectrometer. For quantification, melamine and violuric acid were used as internal standards. Human urine samples were pretreated for LC/MS analysis by dilution with LC mobile phase, followed by centrifugation and filtration. The analytes and internal standards were separated within 9 min. The linear ranges were 2.0-40.0, 0.10-1.60, and 0.13-2.00 mg/mL for urea, uric acid, and creatinine, respectively, with correlation coefficients > 0.99. The intra- and inter-day accuracies of the analytes were - 10.6% to 7.4%, and the precision was within 7.6%. For all analytes, no significant matrix effects were observed and recoveries ranged from 95.4% to 104.6%. Quantitative results of 3 analytes were obtained within their linear range from 10 human urine samples and the quotients, UA/UN × 20 and UA/Cre, were calculated based on previous reports.
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Affiliation(s)
- Takao Sakurai
- Forensic Science Laboratory, Tokyo Metropolitan Police Department, 2-1-1, Kasumigaseki, Chiyoda-Ku, Tokyo 100-8929, Japan.
| | - Toshiaki Irii
- Forensic Science Laboratory, Tokyo Metropolitan Police Department, 2-1-1, Kasumigaseki, Chiyoda-Ku, Tokyo 100-8929, Japan; Department of Forensic Medicine, The Jikei University School of Medicine, 3-25-8, Nishi-shimbashi, Minato-ku, Tokyo 105-8461, Japan
| | - Kimiharu Iwadate
- Department of Forensic Medicine, The Jikei University School of Medicine, 3-25-8, Nishi-shimbashi, Minato-ku, Tokyo 105-8461, Japan
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9
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Jain A, Huang R, Lee J, Jawa N, Lim YJ, Guron M, Abish S, Boutros PC, Brudno M, Carleton B, Cuvelier GDE, Gunaratnam L, Ho C, Adeli K, Kuruvilla S, Lajoie G, Liu G, Nathan PC, Rod Rassekh S, Rieder M, Waikar SS, Welch SA, Weir MA, Winquist E, Wishart DS, Zorzi AP, Blydt-Hansen T, Zappitelli M, Urquhart B. A Canadian Study of Cisplatin Metabolomics and Nephrotoxicity (ACCENT): A Clinical Research Protocol. Can J Kidney Health Dis 2021; 8:20543581211057708. [PMID: 34820133 PMCID: PMC8606978 DOI: 10.1177/20543581211057708] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2021] [Accepted: 09/18/2021] [Indexed: 11/15/2022] Open
Abstract
Background: Cisplatin, a chemotherapy used to treat solid tumors, causes acute kidney injury (AKI), a known risk factor for chronic kidney disease and mortality. AKI diagnosis relies on biomarkers which are only measurable after kidney damage has occurred and functional impairment is apparent; this prevents timely AKI diagnosis and treatment. Metabolomics seeks to identify metabolite patterns involved in cell tissue metabolism related to disease or patient factors. The A Canadian study of Cisplatin mEtabolomics and NephroToxicity (ACCENT) team was established to harness the power of metabolomics to identify novel biomarkers that predict risk and discriminate for presence of cisplatin nephrotoxicity, so that early intervention strategies to mitigate onset and severity of AKI can be implemented. Objective: Describe the design and methods of the ACCENT study which aims to identify and validate metabolomic profiles in urine and serum associated with risk for cisplatin-mediated nephrotoxicity in children and adults. Design: Observational prospective cohort study. Setting: Six Canadian oncology centers (3 pediatric, 1 adult and 2 both). Patients: Three hundred adults and 300 children planned to receive cisplatin therapy. Measurements: During two cisplatin infusion cycles, serum and urine will be measured for creatinine and electrolytes to ascertain AKI. Many patient and disease variables will be collected prospectively at baseline and throughout therapy. Metabolomic analyses of serum and urine will be done using mass spectrometry. An untargeted metabolomics approach will be used to analyze serum and urine samples before and after cisplatin infusions to identify candidate biomarkers of cisplatin AKI. Candidate metabolites will be validated using an independent cohort. Methods: Patients will be recruited before their first cycle of cisplatin. Blood and urine will be collected at specified time points before and after cisplatin during the first infusion and an infusion later during cancer treatment. The primary outcome is AKI, defined using a traditional serum creatinine-based definition and an electrolyte abnormality-based definition. Chart review 3 months after cisplatin therapy end will be conducted to document kidney health and survival. Limitations: It may not be possible to adjust for all measured and unmeasured confounders when evaluating prediction of AKI using metabolite profiles. Collection of data across multiple sites will be a challenge. Conclusions: ACCENT is the largest study of children and adults treated with cisplatin and aims to reimagine the current model for AKI diagnoses using metabolomics. The identification of biomarkers predicting and detecting AKI in children and adults treated with cisplatin can greatly inform future clinical investigations and practices.
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Affiliation(s)
- Anshika Jain
- Child Health Evaluative Sciences, The Hospital for Sick Children, Toronto, ON, Canada.,Temerty Faculty of Medicine, University of Toronto, ON, Canada
| | - Ryan Huang
- Child Health Evaluative Sciences, The Hospital for Sick Children, Toronto, ON, Canada
| | - Jasmine Lee
- Child Health Evaluative Sciences, The Hospital for Sick Children, Toronto, ON, Canada
| | - Natasha Jawa
- Division of Nephrology, Department of Pediatrics, The Hospital for Sick Children, Toronto, ON, Canada
| | - Yong Jin Lim
- Department of Physiology and Pharmacology, Schulich School of Medicine & Dentistry, Western University, London, ON, Canada
| | - Mike Guron
- Department of Pediatrics, BC Children's Hospital, The University of British Columbia, Vancouver, Canada
| | - Sharon Abish
- Division of Hematology and Oncology, Montreal Children's Hospital, McGill University Health Centre, Montreal, QC, Canada
| | - Paul C Boutros
- Computational Biology Program, Ontario Institute for Cancer Research, Toronto, Canada.,Department of Medical Biophysics, University of Toronto, ON, Canada
| | - Michael Brudno
- Department of Computer Science, University of Toronto, ON, Canada.,Canada Centre for Computational Medicine, The Hospital for Sick Children, Toronto, ON, Canada
| | - Bruce Carleton
- Department of Pediatrics, The University of British Columbia, Vancouver, Canada.,Pharmaceutical Outcomes Programme, BC Children's Hospital, Vancouver, Canada.,BC Children's Hospital Research Institute, Vancouver, Canada
| | | | - Lakshman Gunaratnam
- Division of Nephrology, Department of Medicine, Schulich School of Medicine and Dentistry, Western University, London, ON, Canada
| | - Cheryl Ho
- Medical Oncology, BC Cancer, The University of British Columbia, Vancouver, Canada
| | - Khosrow Adeli
- Molecular Medicine, Research Institute, The Hospital for Sick Children, Toronto, ON, Canada.,University of Toronto, ON, Canada, Canada
| | - Sara Kuruvilla
- Division of Medical Oncology, Department of Oncology, Western University, London, ON, Canada
| | - Giles Lajoie
- Department of Biochemistry, Schulich School of Medicine & Dentistry, Western University, London, ON, Canada
| | - Geoffrey Liu
- Princess Margaret Cancer Centre, University Health Network, Toronto, ON, Canada
| | - Paul C Nathan
- Division of Haematology/Oncology, The Hospital for Sick Children, Toronto, ON, Canada
| | - Shahrad Rod Rassekh
- Department of Pediatrics, Division of Hematology/Oncology/Bone Marrow Transplantation, BC Children's Hospital, The University of British Columbia, Vancouver, Canada
| | - Michael Rieder
- Department of Pediatrics, Western University, London, ON, Canada
| | - Sushrut S Waikar
- Section of Nephrology, Boston University School of Medicine, MA, USA.,Boston Medical Center, MA, USA
| | - Stephen A Welch
- Division of Medical Oncology, Department of Oncology, Western University, London, ON, Canada
| | - Matthew A Weir
- Division of Nephrology, Department of Medicine, Schulich School of Medicine and Dentistry, Western University, London, ON, Canada
| | - Eric Winquist
- Division of Medical Oncology, Department of Oncology, Western University, London, ON, Canada
| | - David S Wishart
- Department of Biochemistry, University of Alberta, Edmonton, Canada
| | - Alexandra P Zorzi
- Division of Hematology/Oncology, Department of Pediatrics, Children's Hospital, Western University, London, ON, Canada
| | - Tom Blydt-Hansen
- Department of Pediatrics, BC Children's Hospital, The University of British Columbia, Vancouver, Canada
| | - Michael Zappitelli
- Child Health Evaluative Sciences, The Hospital for Sick Children, Toronto, ON, Canada.,Division of Nephrology, Department of Pediatrics, The Hospital for Sick Children, Toronto, ON, Canada
| | - Bradley Urquhart
- Department of Physiology and Pharmacology, Schulich School of Medicine & Dentistry, Western University, London, ON, Canada
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10
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Exploratory Metabolomic Analysis Based on Reversed-Phase Liquid Chromatography-Mass Spectrometry to Study an In Vitro Model of Hypoxia-Induced Metabolic Alterations in HK-2 Cells. Int J Mol Sci 2021; 22:ijms22147399. [PMID: 34299017 PMCID: PMC8304667 DOI: 10.3390/ijms22147399] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2021] [Revised: 06/29/2021] [Accepted: 07/07/2021] [Indexed: 11/17/2022] Open
Abstract
Oxygen deficiency in cells, tissues, and organs can not only prevent the proper development of biological functions but it can also lead to several diseases and disorders. In this sense, the kidney deserves special attention since hypoxia can be considered an important factor in the pathophysiology of both acute kidney injury and chronic kidney disease. To provide better knowledge to unveil the molecular mechanisms involved, new studies are necessary. In this sense, this work aims to study, for the first time, an in vitro model of hypoxia-induced metabolic alterations in human proximal tubular HK-2 cells because renal proximal tubules are particularly susceptible to hypoxia. Different groups of cells, cultivated under control and hypoxia conditions at 0.5, 5, 24, and 48 h, were investigated using untargeted metabolomic approaches based on reversed-phase liquid chromatography–mass spectrometry. Both intracellular and extracellular fluids were studied to obtain a large metabolite coverage. On the other hand, multivariate and univariate analyses were carried out to find the differences among the cell groups and to select the most relevant variables. The molecular features identified as affected metabolites were mainly amino acids and Amadori compounds. Insights about their biological relevance are also provided.
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11
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Bulacio RP, Torres AM. Caveolin-2 in urine as a novel biomarker of renal recovery after cisplatin induced nephrotoxicity in rats. Toxicol Lett 2019; 313:169-177. [DOI: 10.1016/j.toxlet.2019.07.010] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2019] [Revised: 07/01/2019] [Accepted: 07/04/2019] [Indexed: 02/05/2023]
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12
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Bernardo-Bermejo S, Sánchez-López E, Castro-Puyana M, Benito S, Lucio-Cazaña FJ, Marina ML. An untargeted metabolomic strategy based on liquid chromatography-mass spectrometry to study high glucose-induced changes in HK-2 cells. J Chromatogr A 2019; 1596:124-133. [PMID: 30878178 DOI: 10.1016/j.chroma.2019.03.009] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2018] [Revised: 02/06/2019] [Accepted: 03/05/2019] [Indexed: 12/20/2022]
Abstract
Diabetes mellitus is a major health concern nowadays. It is estimated that 40% of diabetics are affected by diabetic nephropathy, one of the complications derived from high glucose blood levels which can lead to chronic loss of kidney function. It is now clear that the renal proximal tubule plays a critical role in the progression of diabetic nephropathy but research focused on studying the molecular mechanisms involved is still needed. The aim of this work was to develop a liquid chromatography-mass spectrometry platform to carry out, for the first time, the untargeted metabolomic analysis of high glucose-induced changes in cultured human proximal tubular HK-2 cells. In order to find the metabolites which were affected by high glucose and to expand the metabolite coverage, intra- and extracellular fluid from HK-2 cells exposed to high glucose (25 mM), normal glucose (5.5 mM) or osmotic control (5.5 mM glucose +19.5 mM mannitol) were analyzed by two complementary chromatographic modes: hydrophilic interaction and reversed-phase liquid chromatography. Non-supervised principal components analysis showed a good separation among the three groups of samples. Statistically significant variables were chosen for further metabolite identification. Different metabolic pathways were affected mainly those derived from amino acidic, polyol, and nitrogenous bases metabolism.
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Affiliation(s)
- Samuel Bernardo-Bermejo
- Departamento de Química Analítica, Química Física e Ingeniería Química, Universidad de Alcalá, Ctra. Madrid-Barcelona Km. 33.600, 28871 Alcalá de Henares (Madrid), Spain
| | - Elena Sánchez-López
- Departamento de Química Analítica, Química Física e Ingeniería Química, Universidad de Alcalá, Ctra. Madrid-Barcelona Km. 33.600, 28871 Alcalá de Henares (Madrid), Spain; Instituto de Investigación Química Andrés M. del Río (IQAR), Universidad de Alcalá, Ctra. Madrid-Barcelona Km. 33.600, 28871 Alcalá de Henares (Madrid), Spain
| | - María Castro-Puyana
- Departamento de Química Analítica, Química Física e Ingeniería Química, Universidad de Alcalá, Ctra. Madrid-Barcelona Km. 33.600, 28871 Alcalá de Henares (Madrid), Spain; Instituto de Investigación Química Andrés M. del Río (IQAR), Universidad de Alcalá, Ctra. Madrid-Barcelona Km. 33.600, 28871 Alcalá de Henares (Madrid), Spain
| | - Selma Benito
- Departamento de Biología de Sistemas, Universidad de Alcalá, Ctra. Madrid-Barcelona Km. 33.600, 28871 Alcalá de Henares (Madrid), Spain
| | - Francisco Javier Lucio-Cazaña
- Departamento de Biología de Sistemas, Universidad de Alcalá, Ctra. Madrid-Barcelona Km. 33.600, 28871 Alcalá de Henares (Madrid), Spain
| | - María Luisa Marina
- Departamento de Química Analítica, Química Física e Ingeniería Química, Universidad de Alcalá, Ctra. Madrid-Barcelona Km. 33.600, 28871 Alcalá de Henares (Madrid), Spain; Instituto de Investigación Química Andrés M. del Río (IQAR), Universidad de Alcalá, Ctra. Madrid-Barcelona Km. 33.600, 28871 Alcalá de Henares (Madrid), Spain.
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13
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Abstract
PURPOSE OF REVIEW Drug-induced kidney injury (DIKI) is an important and potentially modifiable cause of acute kidney injury (AKI). The reliance on traditional markers of kidney injury to diagnose DIKI impedes early detection. Biomarkers of DIKI that facilitate early diagnosis and the identification of high-risk patients are essential to ameliorate the clinical burden of this complication. RECENT FINDINGS Recent progress in this area supports the potential utility of several biomarkers for the diagnosis of DIKI, for the prediction of outcomes and also for monitoring responses to potential nephrotoxic or beneficial therapies. Data regarding the impact of clinically relevant factors, such as chronic kidney disease, on biomarker levels represents a further recent advancement. Emerging novel biomarkers include microRNAs, which are showing promise as markers of drug-induced tubular damage. They may also have a role in elucidating the molecular mechanisms of AKI. SUMMARY There is compelling evidence to support the use of biomarkers for the early detection of DIKI. Ongoing research is required to delineate their role in prognostication and for the prediction of outcomes. The inclusion of biomarkers in more clinical studies of DIKI would be a welcome advance, which may accelerate their integration into clinical diagnostics.
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Affiliation(s)
- Lynn Redahan
- University College Dublin School of Medicine, UCD Catherine McAuley Education & Research Centre, Nelson Street, Dublin
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