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Dofini Magnini R, Pedinielli F, Vergalli J, Ouedraogo N, Remy S, Hilou A, Brunel JM, Pagès JM, Davin-Regli A. Acacia senegal Budmunchiamines as a Potential Adjuvant for Rejuvenating Phenicol Activities towards Escherichia coli-Resistant Strains. Int J Mol Sci 2023; 24:ijms24108790. [PMID: 37240134 DOI: 10.3390/ijms24108790] [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: 04/14/2023] [Revised: 04/26/2023] [Accepted: 05/09/2023] [Indexed: 05/28/2023] Open
Abstract
The continuous emergence of bacterial resistance alters the activities of different antibiotic families and requires appropriate strategies to solve therapeutic impasses. Medicinal plants are an attractive source for researching alternative and original therapeutic molecules. In this study, the fractionation of natural extracts from A. senegal and the determination of antibacterial activities are associated with molecular networking and tandem mass spectrometry (MS/MS) data used to characterize active molecule(s). The activities of the combinations, which included various fractions plus an antibiotic, were investigated using the "chessboard" test. Bio-guided fractionation allowed the authors to obtain individually active or synergistic fractions with chloramphenicol activity. An LC-MS/MS analysis of the fraction of interest and molecular array reorganization showed that most identified compounds are Budmunchiamines (macrocyclic alkaloids). This study describes an interesting source of bioactive secondary metabolites structurally related to Budmunchiamines that are able to rejuvenate a significant chloramphenicol activity in strains that produce an AcrB efflux pump. They will pave the way for researching new active molecules for restoring the activity of antibiotics that are substrates of efflux pumps in enterobacterial-resistant strains.
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Affiliation(s)
- René Dofini Magnini
- UMR_MD1, U-1261, INSERM, SSA, IRBA, MCT, Faculté de Pharmacie, Université Aix-Marseille, 13385 Marseille, France
- Laboratoire de Recherche-Développement de Phytomédicaments et Médicaments (LR-D/PM), IRSS, CNRST, Département MEPHATRA-PH, Ouagadougou 03 BP 7047, Burkina Faso
- Laboratoire de Biochimie et de Chimie Appliquée (LABIOCA), Université Joseph Ki-Zerbo, Ouagadougou 03 BP 7021, Burkina Faso
| | - François Pedinielli
- Institut de Chimie Moléculaire de Reims, UMR CNRS 7312, Université Reims-Champagne-Ardenne, UFR Sciences, BP 1039, CEDEX 2, 51687 Reims, France
| | - Julia Vergalli
- UMR_MD1, U-1261, INSERM, SSA, IRBA, MCT, Faculté de Pharmacie, Université Aix-Marseille, 13385 Marseille, France
| | - Noufou Ouedraogo
- Laboratoire de Recherche-Développement de Phytomédicaments et Médicaments (LR-D/PM), IRSS, CNRST, Département MEPHATRA-PH, Ouagadougou 03 BP 7047, Burkina Faso
| | - Simon Remy
- Institut de Chimie Moléculaire de Reims, UMR CNRS 7312, Université Reims-Champagne-Ardenne, UFR Sciences, BP 1039, CEDEX 2, 51687 Reims, France
| | - Adama Hilou
- Laboratoire de Biochimie et de Chimie Appliquée (LABIOCA), Université Joseph Ki-Zerbo, Ouagadougou 03 BP 7021, Burkina Faso
| | - Jean-Michel Brunel
- UMR_MD1, U-1261, INSERM, SSA, IRBA, MCT, Faculté de Pharmacie, Université Aix-Marseille, 13385 Marseille, France
| | - Jean-Marie Pagès
- UMR_MD1, U-1261, INSERM, SSA, IRBA, MCT, Faculté de Pharmacie, Université Aix-Marseille, 13385 Marseille, France
| | - Anne Davin-Regli
- UMR_MD1, U-1261, INSERM, SSA, IRBA, MCT, Faculté de Pharmacie, Université Aix-Marseille, 13385 Marseille, France
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2
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Ren JL, Yang L, Qiu S, Zhang AH, Wang XJ. Efficacy evaluation, active ingredients, and multitarget exploration of herbal medicine. Trends Endocrinol Metab 2023; 34:146-157. [PMID: 36710216 DOI: 10.1016/j.tem.2023.01.005] [Citation(s) in RCA: 17] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Accepted: 01/03/2023] [Indexed: 01/29/2023]
Abstract
Evidence shows that herbal medicine (HM) could be beneficial for the treatment of various diseases. However, complexities present in HM due to the unclear bioactive compounds, mechanisms of action, undetermined targets for therapy, and nonspecific features for metabolism, are currently an obstacle for the progression of novel drug discovery. Metabolomics could be a potential tool to overcome these issues and for the understanding of HM from a small-molecule metabolism level. The chinmedomics-based metabolomics method assesses the overall metabolism of organisms with a holistic view and shows great potential for understanding metabolic pathways, evaluating curative effects, clarifying mechanisms, discovering active ingredients, and precision medicine. This review focuses on the efficacy evaluation, active ingredient discovery, and target exploration of HM based on metabolomics and chinmedomics.
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Affiliation(s)
- Jun-Ling Ren
- National Chinmedomics Research Center, Functional Metabolomics Laboratory, Department of Pharmaceutical Analysis, Heilongjiang University of Chinese Medicine, Heping Road 24, Harbin, China
| | - Le Yang
- State Key Laboratory of Dampness Syndrome, The Second Affiliated Hospital Guangzhou University of Chinese Medicine, Dade Road 111, Guangzhou, China
| | - Shi Qiu
- International Advanced Functional Omics Platform, Scientific Experiment Center, Hainan Medical University, Xueyuan Road 3, Haikou 571199, China
| | - Ai-Hua Zhang
- International Advanced Functional Omics Platform, Scientific Experiment Center, Hainan Medical University, Xueyuan Road 3, Haikou 571199, China.
| | - Xi-Jun Wang
- National Chinmedomics Research Center, Functional Metabolomics Laboratory, Department of Pharmaceutical Analysis, Heilongjiang University of Chinese Medicine, Heping Road 24, Harbin, China; State Key Laboratory of Dampness Syndrome, The Second Affiliated Hospital Guangzhou University of Chinese Medicine, Dade Road 111, Guangzhou, China.
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3
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uzun D, Tabanlıgil Calam T. Electrochemical Behavior and Ultrasensitive, Simple and Effective Voltammetric Determination of Acetaminophen Using Modified Glassy Carbon Electrode Based on 4‐Hydroxyquinoline‐3‐Carboxylic Acid. ELECTROANAL 2022. [DOI: 10.1002/elan.202200182] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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4
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Kiaeefar A, Bolourian H, Raoufi A, Rajabi N, Ebrahimi M. Voltammetric Determination of Acetaminophen with Ag/PANI/PW12 Nanocomposites-Modified Carbon Paste Electrodes. RUSSIAN JOURNAL OF PHYSICAL CHEMISTRY A 2022. [DOI: 10.1134/s0036024422060024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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5
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Ratios of Acetaminophen Metabolites Identify New Loci of Pharmacogenetic Relevance in a Genome-Wide Association Study. Metabolites 2022; 12:metabo12060496. [PMID: 35736429 PMCID: PMC9228664 DOI: 10.3390/metabo12060496] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2022] [Revised: 05/24/2022] [Accepted: 05/25/2022] [Indexed: 11/17/2022] Open
Abstract
Genome-wide association studies (GWAS) with non-targeted metabolomics have identified many genetic loci of biomedical interest. However, metabolites with a high degree of missingness, such as drug metabolites and xenobiotics, are often excluded from such studies due to a lack of statistical power and higher uncertainty in their quantification. Here we propose ratios between related drug metabolites as GWAS phenotypes that can drastically increase power to detect genetic associations between pairs of biochemically related molecules. As a proof-of-concept we conducted a GWAS with 520 individuals from the Qatar Biobank for who at least five of the nine available acetaminophen metabolites have been detected. We identified compelling evidence for genetic variance in acetaminophen glucuronidation and methylation by UGT2A15 and COMT, respectively. Based on the metabolite ratio association profiles of these two loci we hypothesized the chemical structure of one of their products or substrates as being 3-methoxyacetaminophen, which we then confirmed experimentally. Taken together, our study suggests a novel approach to analyze metabolites with a high degree of missingness in a GWAS setting with ratios, and it also demonstrates how pharmacological pathways can be mapped out using non-targeted metabolomics measurements in large population-based studies.
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Pedinielli F, Leroy R, Martinez A, Nuzillard JM, Lameiras P. ViscY NMR experiments in phosphoric acid as a viscous solvent for individualization of small molecules within mixtures by spin diffusion. Analyst 2021; 146:5316-5325. [PMID: 34338684 DOI: 10.1039/d1an00899d] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The analysis of small molecules within complex mixtures is a particularly difficult task when dealing with the study of metabolite mixtures or chemical reaction media. This issue has fostered in recent years an active search for effective and practical solutions. In this context, the ViscY NMR approach has been recently proposed. ViscY collectively designates the NMR experiments that take advantage of spin diffusion in highly viscous solvents or solvent blends for the individualization of the NMR spectra of small molecule mixture components. Two viscous media were prepared from ortho-phosphoric acid (85%) solution by dilution with either D2O or DMSO-d6, thus providing solvent blends with slightly different polarities in which all liquid-state NMR experiments can be carried out easily. Two mixtures, one of four structurally close dipeptides and one of four low-polarity phosphorus-containing compounds, were used for the method assessment, using ViscY experiments such as homonuclear selective 1D and 2D 1H NOESY experiments, heteronuclear 2D 1H-15N/1H-31P HSQC-NOESY and 1H-13C/1H-15N/1H-31P NOAH experiments.
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Affiliation(s)
- Francois Pedinielli
- Université de Reims Champagne-Ardenne, CNRS, ICMR UMR 7312, 51097 Reims, France.
| | - Ritchy Leroy
- Université de Reims Champagne-Ardenne, CNRS, ICMR UMR 7312, 51097 Reims, France.
| | - Agathe Martinez
- Université de Reims Champagne-Ardenne, CNRS, ICMR UMR 7312, 51097 Reims, France.
| | - Jean-Marc Nuzillard
- Université de Reims Champagne-Ardenne, CNRS, ICMR UMR 7312, 51097 Reims, France.
| | - Pedro Lameiras
- Université de Reims Champagne-Ardenne, CNRS, ICMR UMR 7312, 51097 Reims, France.
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Chen B, Huang W, Nie X, Liao F, Miao H, Zhang X, Zhang G. An Organic Host-Guest System Producing Room-Temperature Phosphorescence at the Parts-Per-Billion Level. Angew Chem Int Ed Engl 2021; 60:16970-16973. [PMID: 34080278 DOI: 10.1002/anie.202106204] [Citation(s) in RCA: 62] [Impact Index Per Article: 20.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2021] [Indexed: 12/14/2022]
Abstract
Manipulation of long-lived triplet excitons in organic molecules is key to applications including next-generation optoelectronics, background-free bioimaging, information encryption, and photodynamic therapy. However, for organic room-temperature phosphorescence (RTP), which stems from triplet excitons, it is still difficult to simultaneously achieve efficiency and lifetime enhancement on account of weak spin-orbit coupling and rapid nonradiative transitions, especially in the red and near-infrared region. Herein, we report that a series of fluorescent naphthalimides-which did not originally show observable phosphorescence in solution, as aggregates, in polymer films, or in any other tested host material, including heavy-atom matrices at cryogenic temperatures-can now efficiently produce ultralong RTP (ϕ=0.17, τ=243 ms) in phthalimide hosts. Notably, red RTP (λRTP =628 nm) is realized at a molar ratio of less than 10 parts per billion, demonstrating an unprecedentedly low guest-to-host ratio where efficient RTP can take place in molecular solids.
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Affiliation(s)
- Biao Chen
- Hefei National Laboratory for Physical Science at the Microscale, University of Science and Technology of China, 96 Jinzhai Rd, Hefei, Anhui, 230026, China
| | - Wenhuan Huang
- Hefei National Laboratory for Physical Science at the Microscale, University of Science and Technology of China, 96 Jinzhai Rd, Hefei, Anhui, 230026, China
| | - Xiancheng Nie
- Hefei National Laboratory for Physical Science at the Microscale, University of Science and Technology of China, 96 Jinzhai Rd, Hefei, Anhui, 230026, China
| | - Fan Liao
- Hefei National Laboratory for Physical Science at the Microscale, University of Science and Technology of China, 96 Jinzhai Rd, Hefei, Anhui, 230026, China
| | - Hui Miao
- Hefei National Laboratory for Physical Science at the Microscale, University of Science and Technology of China, 96 Jinzhai Rd, Hefei, Anhui, 230026, China
| | - Xuepeng Zhang
- Hefei National Laboratory for Physical Science at the Microscale, University of Science and Technology of China, 96 Jinzhai Rd, Hefei, Anhui, 230026, China
| | - Guoqing Zhang
- Hefei National Laboratory for Physical Science at the Microscale, University of Science and Technology of China, 96 Jinzhai Rd, Hefei, Anhui, 230026, China
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8
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Chen B, Huang W, Nie X, Liao F, Miao H, Zhang X, Zhang G. An Organic Host–Guest System Producing Room‐Temperature Phosphorescence at the Parts‐Per‐Billion Level. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202106204] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Affiliation(s)
- Biao Chen
- Hefei National Laboratory for Physical Science at the Microscale University of Science and Technology of China 96 Jinzhai Rd Hefei Anhui 230026 China
| | - Wenhuan Huang
- Hefei National Laboratory for Physical Science at the Microscale University of Science and Technology of China 96 Jinzhai Rd Hefei Anhui 230026 China
| | - Xiancheng Nie
- Hefei National Laboratory for Physical Science at the Microscale University of Science and Technology of China 96 Jinzhai Rd Hefei Anhui 230026 China
| | - Fan Liao
- Hefei National Laboratory for Physical Science at the Microscale University of Science and Technology of China 96 Jinzhai Rd Hefei Anhui 230026 China
| | - Hui Miao
- Hefei National Laboratory for Physical Science at the Microscale University of Science and Technology of China 96 Jinzhai Rd Hefei Anhui 230026 China
| | - Xuepeng Zhang
- Hefei National Laboratory for Physical Science at the Microscale University of Science and Technology of China 96 Jinzhai Rd Hefei Anhui 230026 China
| | - Guoqing Zhang
- Hefei National Laboratory for Physical Science at the Microscale University of Science and Technology of China 96 Jinzhai Rd Hefei Anhui 230026 China
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9
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Lameiras P, Nuzillard JM. Tailoring the nuclear Overhauser effect for the study of small and medium-sized molecules by solvent viscosity manipulation. PROGRESS IN NUCLEAR MAGNETIC RESONANCE SPECTROSCOPY 2021; 123:1-50. [PMID: 34078536 DOI: 10.1016/j.pnmrs.2020.12.001] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/06/2020] [Revised: 11/06/2020] [Accepted: 12/02/2020] [Indexed: 06/12/2023]
Abstract
The nuclear Overhauser effect (NOE) is a consequence of cross-relaxation between nuclear spins mediated by dipolar coupling. Its sensitivity to internuclear distances has made it an increasingly important tool for the determination of through-space atom proximity relationships within molecules of sizes ranging from the smallest systems to large biopolymers. With the support of sophisticated FT-NMR techniques, the NOE plays an essential role in structure elucidation, conformational and dynamic investigations in liquid-state NMR. The efficiency of magnetization transfer by the NOE depends on the molecular rotational correlation time, whose value depends on solution viscosity. The magnitude of the NOE between 1H nuclei varies from +50% when molecular tumbling is fast to -100% when it is slow, the latter case corresponding to the spin diffusion limit. In an intermediate tumbling regime, the NOE may be vanishingly small. Increasing the viscosity of the solution increases the motional correlation time, and as a result, otherwise unobservable NOEs may be revealed and brought close to the spin diffusion limit. The goal of this review is to report the resolution of structural problems that benefited from the manipulation of the negative NOE by means of viscous solvents, including examples of molecular structure determination, conformation elucidation and mixture analysis (the ViscY method).
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Affiliation(s)
- Pedro Lameiras
- Université de Reims Champagne-Ardenne, CNRS, ICMR UMR 7312, 51097 Reims, France
| | - Jean-Marc Nuzillard
- Université de Reims Champagne-Ardenne, CNRS, ICMR UMR 7312, 51097 Reims, France
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10
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Knol WC, Pirok BWJ, Peters RAH. Detection challenges in quantitative polymer analysis by liquid chromatography. J Sep Sci 2020; 44:63-87. [PMID: 32935906 PMCID: PMC7821191 DOI: 10.1002/jssc.202000768] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2020] [Revised: 09/14/2020] [Accepted: 09/14/2020] [Indexed: 12/19/2022]
Abstract
Accurate quantification of polymer distributions is one of the main challenges in polymer analysis by liquid chromatography. The response of contemporary detectors is typically influenced by compositional features such as molecular weight, chain composition, end groups, and branching. This renders the accurate quantification of complex polymers of which there are no standards available, extremely challenging. Moreover, any (programmed) change in mobile-phase composition may further limit the applicability of detection techniques. Current methods often rely on refractive index detection, which is not accurate when dealing with complex samples as the refractive-index increment is often unknown. We review current and emerging detection methods in liquid chromatography with the aim of identifying detectors, which can be applied to the quantitative analysis of complex polymers.
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Affiliation(s)
- Wouter C Knol
- Analytical Chemistry Group, van't Hoff Institute for Molecular Sciences (HIMS), Faculty of Science, University of Amsterdam, Amsterdam, The Netherlands.,Centre for Analytical Sciences Amsterdam, Amsterdam, The Netherlands
| | - Bob W J Pirok
- Analytical Chemistry Group, van't Hoff Institute for Molecular Sciences (HIMS), Faculty of Science, University of Amsterdam, Amsterdam, The Netherlands.,Centre for Analytical Sciences Amsterdam, Amsterdam, The Netherlands
| | - Ron A H Peters
- Analytical Chemistry Group, van't Hoff Institute for Molecular Sciences (HIMS), Faculty of Science, University of Amsterdam, Amsterdam, The Netherlands.,Centre for Analytical Sciences Amsterdam, Amsterdam, The Netherlands.,DSM Resins & Functional Materials, Analytical Technology Centre, Waalwijk, The Netherlands
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11
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Kakutani N, Iwai T, Ohno Y, Kobayashi S, Nomura Y. Evaluation of covalent binding of flutamide and its risk assessment using 19F-NMR. Xenobiotica 2020; 51:88-94. [PMID: 32876521 DOI: 10.1080/00498254.2020.1817626] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
The formation of reactive metabolites (RMs) is a problem in drug development that sometimes results in severe hepatotoxicity. As detecting RMs themselves is difficult, a covalent binding assay using expensive radiolabelled tracers is usually performed for candidate selection. This study aimed to provide a practical approach toward the risk assessment of hepatotoxicity induced by covalent binding before candidate selection. We focused on flutamide because it contains a trifluoromethyl group that shows a strong singlet peak by 19F nuclear magnetic resonance (NMR) spectrometry. The covalent binding of flutamide was evaluated using quantitative NMR and its risk for hepatotoxicity was assessed by estimating the RM burden, an index that reflects the body burden associated with RM exposure by determining the extent of covalent binding, clinical dose and in vivo clearance. The extent of covalent binding and RM burden was 296 pmol/mg/h and 37.9 mg/day, respectively. Flutamide was categorised as high risk with an RM burden >10 mg/day consistent with its clinical hepatotoxicity. These results indicate that a combination of covalent binding assay using 19F-NMR and RM burden is useful for the risk assessment of RMs without using radiolabelled compounds.
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Affiliation(s)
- Nobuyuki Kakutani
- Drug Metabolism and Pharmacokinetics Research Laboratories, Japan Tobacco Inc, Takatsuki, Japan
| | - Takahiro Iwai
- Product Development Laboratories, Japan Tobacco Inc, Takatsuki, Japan
| | - Yasushi Ohno
- Product Development Laboratories, Japan Tobacco Inc, Takatsuki, Japan
| | - Satoru Kobayashi
- Drug Metabolism and Pharmacokinetics Research Laboratories, Japan Tobacco Inc, Takatsuki, Japan
| | - Yukihiro Nomura
- Drug Metabolism and Pharmacokinetics Research Laboratories, Japan Tobacco Inc, Takatsuki, Japan
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12
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Gathungu RM, Kautz R, Kristal BS, Bird SS, Vouros P. The integration of LC-MS and NMR for the analysis of low molecular weight trace analytes in complex matrices. MASS SPECTROMETRY REVIEWS 2020; 39:35-54. [PMID: 30024655 PMCID: PMC6339611 DOI: 10.1002/mas.21575] [Citation(s) in RCA: 55] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/30/2018] [Accepted: 06/28/2018] [Indexed: 05/12/2023]
Abstract
This review discusses the integration of liquid chromatography (LC), mass spectrometry (MS), and nuclear magnetic resonance (NMR) in the comprehensive analysis of small molecules from complex matrices. We first discuss the steps taken toward making the three technologies compatible, so as to create an efficient analytical platform. The development of online LC-MS-NMR, highlighted by successful applications in the profiling of highly concentrated analytes (LODs 10 μg) is discussed next. This is followed by a detailed overview of the alternative approaches that have been developed to overcome the challenges associated with online LC-MS-NMR that primarily stem from the inherently low sensitivity of NMR. These alternative approaches include the use of stop-flow LC-MS-NMR, loop collection of LC peaks, LC-MS-SPE-NMR, and offline NMR. The potential and limitations of all these approaches is discussed in the context of applications in various fields, including metabolomics and natural product discovery.
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Affiliation(s)
- Rose M. Gathungu
- Department of Medicine, Division of Sleep and Circadian Disorders, Brigham and Women’s Hospital and Department of Medicine, Division of Sleep Medicine, Harvard Medical School, Boston, Massachusetts
- Barnett Institute of Chemical and Biological Analysis and Department of Chemistry and Chemical Biology, Northeastern University, Boston, Massachusetts
| | - Roger Kautz
- Barnett Institute of Chemical and Biological Analysis and Department of Chemistry and Chemical Biology, Northeastern University, Boston, Massachusetts
| | - Bruce S. Kristal
- Department of Medicine, Division of Sleep and Circadian Disorders, Brigham and Women’s Hospital and Department of Medicine, Division of Sleep Medicine, Harvard Medical School, Boston, Massachusetts
| | | | - Paul Vouros
- Barnett Institute of Chemical and Biological Analysis and Department of Chemistry and Chemical Biology, Northeastern University, Boston, Massachusetts
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13
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Arancibia V, Penagos-Llanos J, Nagles E, García-Beltrán O, Hurtado JJ. Development of a microcomposite with single-walled carbon nanotubes and Nd 2O 3 for determination of paracetamol in pharmaceutical dosage by adsorptive voltammetry. J Pharm Anal 2018; 9:62-69. [PMID: 30740259 PMCID: PMC6355469 DOI: 10.1016/j.jpha.2018.11.005] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2018] [Revised: 11/20/2018] [Accepted: 11/21/2018] [Indexed: 11/02/2022] Open
Abstract
This study presents for the first time a new composite of carbon paste (CP), single-walled carbon nanotubes (SWCNTs) and Nd2O3 (NdOX). This versatile composite (NdOX-SWCNT/CPE) was applied to the oxidation of paracetamol (PCM). The newly formed surface was characterized by scanning electron microscopy (SEM), electrochemical impedance spectroscopy (EIS) and cyclic voltammetry (CV). The results showed greater conductivity and a higher surface area for the composite than those of the carbon paste alone. Moreover, the anodic peak currents for PCM increased from 1.6 to 3.6 µA with CPE and NdOX-SWCNT/CPE, indicating an increase of nearly 51.0% for the anodic peak current. On the other hand, the anodic peak potentials shifted from 0.67 to 0.57 V. The detection limits were 0.05 µmol/L with NdOX-SWCNT/CPE and 0.50 µmol/L with SWCNT/CPE. The relative standard deviations (RSDs) were 1.5% (n = 7). The accuracy and interference of the methods were evaluated with a urine chemistry control spiked with known quantities of PCM, uric acid, dopamine, ascorbic acid, caffeine, acetylsalicylic acid, tartrazine, sunset yellow, allure red, rutin, morin and metal ions. Finally, the novelty and usefulness of the composite were evaluated to quantify PCM in pharmaceutical dosage forms such as tablets, powders and syrups for children.
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Affiliation(s)
- Verónica Arancibia
- Pontificia Universidad Católica de Chile, Facultad de Química, Vicuña Mackenna 4860, Santiago 7820436, Chile
| | - Johisner Penagos-Llanos
- Facultad de Ciencias Naturales y Matemáticas, Universidad de Ibagué, Carrera 22 Calle 67, 730001 Ibagué, Colombia
| | - Edgar Nagles
- Facultad de Ciencias Naturales y Matemáticas, Universidad de Ibagué, Carrera 22 Calle 67, 730001 Ibagué, Colombia
| | - Olimpo García-Beltrán
- Facultad de Ciencias Naturales y Matemáticas, Universidad de Ibagué, Carrera 22 Calle 67, 730001 Ibagué, Colombia
| | - John J Hurtado
- Departamento de Química, Universidad de los Andes, Carrera 1 No. 18A-12, Bogotá, Colombia
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14
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Kong JY, Yu Z, Easton MW, Niyonsaba E, Ma X, Yerabolu R, Sheng H, Jarrell TM, Zhang Z, Ghosh AK, Kenttämaa HI. Differentiating Isomeric Deprotonated Glucuronide Drug Metabolites via Ion/Molecule Reactions in Tandem Mass Spectrometry. Anal Chem 2018; 90:9426-9433. [PMID: 29984992 DOI: 10.1021/acs.analchem.8b02083] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Isomeric O- and N-glucuronides are common drug metabolites produced in phase II of drug metabolism. Distinguishing these isomers by using common analytical techniques has proven challenging. A tandem mass spectrometric method based on gas-phase ion/molecule reactions of deprotonated glucuronide drug metabolites with trichlorosilane (HSiCl3) in a linear quadrupole ion trap mass spectrometer is reported here to readily enable differentiation of the O- and N-isomers. The major product ion observed upon reactions of HSiCl3 with deprotonated N-glucuronides is a diagnostic HSiCl3 adduct that has lost two HCl molecules ([M - H + HSiCl3 - 2HCl]-). This product ion was not observed for deprotonated O-glucuronides. Reaction mechanisms were explored with quantum chemical calculations at the M06-2X/6-311++G(d,p) level of theory.
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Affiliation(s)
- John Y Kong
- Department of Chemistry , Purdue University , West Lafayette , Indiana 47907 , United States
| | - Zaikuan Yu
- Department of Chemistry , Purdue University , West Lafayette , Indiana 47907 , United States
| | - Mckay W Easton
- Department of Chemistry , Purdue University , West Lafayette , Indiana 47907 , United States
| | - Edouard Niyonsaba
- Department of Chemistry , Purdue University , West Lafayette , Indiana 47907 , United States
| | - Xin Ma
- Department of Chemistry , Purdue University , West Lafayette , Indiana 47907 , United States
| | - Ravikiran Yerabolu
- Department of Chemistry , Purdue University , West Lafayette , Indiana 47907 , United States
| | - Huaming Sheng
- Department of Analytical Research & Development , Merck & Co., Inc. , Rahway , New Jersey 07065 , United States
| | - Tiffany M Jarrell
- Department of Animal Health , Merck Animal Health , Rahway , New Jersey 07065 , United States
| | - Zhoupeng Zhang
- Department of Pharmacokinetics, Pharmacodynamics, & Drug Metabolism , Merck & Co., Inc. , West Point , Pennsylvania 19486 , United States
| | - Arun K Ghosh
- Department of Chemistry , Purdue University , West Lafayette , Indiana 47907 , United States
| | - Hilkka I Kenttämaa
- Department of Chemistry , Purdue University , West Lafayette , Indiana 47907 , United States
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Tiwari R, Ahire D, Kumar H, Sinha S, Chauthe SK, Subramanian M, Iyer R, Sarabu R, Bajpai L. Use of Hybrid Capillary Tube Apparatus on 400 MHz NMR for Quantitation of Crucial Low-Quantity Metabolites Using aSICCO Signal. Drug Metab Dispos 2017; 45:1215-1224. [PMID: 28935657 DOI: 10.1124/dmd.117.077073] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2017] [Accepted: 09/13/2017] [Indexed: 11/22/2022] Open
Abstract
Metabolites of new chemical entities can influence safety and efficacy of a molecule and often times need to be quantified in preclinical studies. However, synthetic standards of metabolites are very rarely available in early discovery. Alternate approaches such as biosynthesis need to be explored to generate these metabolites. Assessing the quantity and purity of these small amounts of metabolites with a nondestructive analytical procedure becomes crucial. Quantitative NMR becomes the method of choice for these samples. Recent advances in high-field NMR (>500 MHz) with the use of cryoprobe technology have helped to improve sensitivity for analysis of small microgram quantity of such samples. However, this type of NMR instrumentation is not routinely available in all laboratories. To analyze microgram quantities of metabolites on a routine basis with lower-resolution 400 MHz NMR instrument fitted with a broad band fluorine observe room temperature probe, a novel hybrid capillary tube setup was developed. To quantitate the metabolite in the sample, an artificial signal insertion for calculation of concentration observed (aSICCO) method that introduces an internally calibrated mathematical signal was used after acquiring the NMR spectrum. The linearity of aSICCO signal was established using ibuprofen as a model analyte. The limit of quantification of this procedure was 0.8 mM with 10 K scans that could be improved further with the increase in the number of scans. This procedure was used to quantify three metabolites-phenytoin from fosphenytoin, dextrophan from dextromethorphan, and 4-OH-diclofenac from diclofenac-and is suitable for minibiosynthesis of metabolites from in vitro systems.
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Affiliation(s)
- Ranjeet Tiwari
- Discovery Analytical Sciences (R.T., H.K., S.K.C., R.S., L.B.) and Pharmaceutical Candidate Optimization (D.A., S.S., M.S.), Bristol-Myers Squibb-Biocon Research Center, Bangalore, India; and Pharmaceutical Candidate Optimization, Bristol-Myers Squibb, Princeton, New Jersey (R.I.)
| | - Deepak Ahire
- Discovery Analytical Sciences (R.T., H.K., S.K.C., R.S., L.B.) and Pharmaceutical Candidate Optimization (D.A., S.S., M.S.), Bristol-Myers Squibb-Biocon Research Center, Bangalore, India; and Pharmaceutical Candidate Optimization, Bristol-Myers Squibb, Princeton, New Jersey (R.I.)
| | - Hemantha Kumar
- Discovery Analytical Sciences (R.T., H.K., S.K.C., R.S., L.B.) and Pharmaceutical Candidate Optimization (D.A., S.S., M.S.), Bristol-Myers Squibb-Biocon Research Center, Bangalore, India; and Pharmaceutical Candidate Optimization, Bristol-Myers Squibb, Princeton, New Jersey (R.I.)
| | - Sarmistha Sinha
- Discovery Analytical Sciences (R.T., H.K., S.K.C., R.S., L.B.) and Pharmaceutical Candidate Optimization (D.A., S.S., M.S.), Bristol-Myers Squibb-Biocon Research Center, Bangalore, India; and Pharmaceutical Candidate Optimization, Bristol-Myers Squibb, Princeton, New Jersey (R.I.)
| | - Siddheshwar Kisan Chauthe
- Discovery Analytical Sciences (R.T., H.K., S.K.C., R.S., L.B.) and Pharmaceutical Candidate Optimization (D.A., S.S., M.S.), Bristol-Myers Squibb-Biocon Research Center, Bangalore, India; and Pharmaceutical Candidate Optimization, Bristol-Myers Squibb, Princeton, New Jersey (R.I.)
| | - Murali Subramanian
- Discovery Analytical Sciences (R.T., H.K., S.K.C., R.S., L.B.) and Pharmaceutical Candidate Optimization (D.A., S.S., M.S.), Bristol-Myers Squibb-Biocon Research Center, Bangalore, India; and Pharmaceutical Candidate Optimization, Bristol-Myers Squibb, Princeton, New Jersey (R.I.)
| | - Ramaswamy Iyer
- Discovery Analytical Sciences (R.T., H.K., S.K.C., R.S., L.B.) and Pharmaceutical Candidate Optimization (D.A., S.S., M.S.), Bristol-Myers Squibb-Biocon Research Center, Bangalore, India; and Pharmaceutical Candidate Optimization, Bristol-Myers Squibb, Princeton, New Jersey (R.I.)
| | - Ramakanth Sarabu
- Discovery Analytical Sciences (R.T., H.K., S.K.C., R.S., L.B.) and Pharmaceutical Candidate Optimization (D.A., S.S., M.S.), Bristol-Myers Squibb-Biocon Research Center, Bangalore, India; and Pharmaceutical Candidate Optimization, Bristol-Myers Squibb, Princeton, New Jersey (R.I.)
| | - Lakshmikant Bajpai
- Discovery Analytical Sciences (R.T., H.K., S.K.C., R.S., L.B.) and Pharmaceutical Candidate Optimization (D.A., S.S., M.S.), Bristol-Myers Squibb-Biocon Research Center, Bangalore, India; and Pharmaceutical Candidate Optimization, Bristol-Myers Squibb, Princeton, New Jersey (R.I.)
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Li J, Vosegaard T, Guo Z. Applications of nuclear magnetic resonance in lipid analyses: An emerging powerful tool for lipidomics studies. Prog Lipid Res 2017; 68:37-56. [PMID: 28911967 DOI: 10.1016/j.plipres.2017.09.003] [Citation(s) in RCA: 97] [Impact Index Per Article: 13.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2017] [Revised: 08/25/2017] [Accepted: 09/11/2017] [Indexed: 02/01/2023]
Abstract
The role of lipids in cell, tissue, and organ physiology is crucial; as many diseases, including cancer, diabetes, neurodegenerative, and infectious diseases, are closely related to absorption and metabolism of lipids. Mass spectrometry (MS) based methods are the most developed powerful tools to study the synthetic pathways and metabolic networks of cellular lipids in biological systems; leading to the birth of an emerging subject lipidomics, which has been extensively reviewed. Nuclear magnetic resonance (NMR), another powerful analytical tool, which allows the visualization of single atoms and molecules, is receiving increasing attention in lipidomics analyses. However, very little work focusing on lipidomic studies using NMR has been critically reviewed. This paper presents a first comprehensive summary of application of 1H, 13C &31P NMR in lipids and lipidomics analyses. The scientific basis, principles and characteristic diagnostic peaks assigned to specific atoms/molecular structures of lipids are presented. Applications of 2D NMR in mapping and monitoring of the components and their changes in complex lipids systems, as well as alteration of lipid profiling over disease development are also reviewed. The applications of NMR lipidomics in diseases diagnosis and food adulteration are exemplified.
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Affiliation(s)
- Jingbo Li
- Department of Engineering, Faculty of Science, Aarhus University, Gustav Wieds Vej 10, 8000 Aarhus C, Denmark.
| | - Thomas Vosegaard
- Danish Center for Ultrahigh-Field NMR Spectroscopy, Interdisciplinary Nanoscience Center and Department of Chemistry, Aarhus University, Gustav Wieds Vej 14, 8000 Aarhus C, Denmark.
| | - Zheng Guo
- Department of Engineering, Faculty of Science, Aarhus University, Gustav Wieds Vej 10, 8000 Aarhus C, Denmark.
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Marshall DD, Powers R. Beyond the paradigm: Combining mass spectrometry and nuclear magnetic resonance for metabolomics. PROGRESS IN NUCLEAR MAGNETIC RESONANCE SPECTROSCOPY 2017; 100:1-16. [PMID: 28552170 PMCID: PMC5448308 DOI: 10.1016/j.pnmrs.2017.01.001] [Citation(s) in RCA: 133] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/17/2016] [Revised: 01/04/2017] [Accepted: 01/08/2017] [Indexed: 05/02/2023]
Abstract
Metabolomics is undergoing tremendous growth and is being employed to solve a diversity of biological problems from environmental issues to the identification of biomarkers for human diseases. Nuclear magnetic resonance (NMR) and mass spectrometry (MS) are the analytical tools that are routinely, but separately, used to obtain metabolomics data sets due to their versatility, accessibility, and unique strengths. NMR requires minimal sample handling without the need for chromatography, is easily quantitative, and provides multiple means of metabolite identification, but is limited to detecting the most abundant metabolites (⩾1μM). Conversely, mass spectrometry has the ability to measure metabolites at very low concentrations (femtomolar to attomolar) and has a higher resolution (∼103-104) and dynamic range (∼103-104), but quantitation is a challenge and sample complexity may limit metabolite detection because of ion suppression. Consequently, liquid chromatography (LC) or gas chromatography (GC) is commonly employed in conjunction with MS, but this may lead to other sources of error. As a result, NMR and mass spectrometry are highly complementary, and combining the two techniques is likely to improve the overall quality of a study and enhance the coverage of the metabolome. While the majority of metabolomic studies use a single analytical source, there is a growing appreciation of the inherent value of combining NMR and MS for metabolomics. An overview of the current state of utilizing both NMR and MS for metabolomics will be presented.
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Affiliation(s)
- Darrell D Marshall
- Department of Chemistry, University of Nebraska-Lincoln, Lincoln, NE 68588-0304, United States
| | - Robert Powers
- Department of Chemistry, University of Nebraska-Lincoln, Lincoln, NE 68588-0304, United States.
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Lameiras P, Patis S, Jakhlal J, Castex S, Clivio P, Nuzillard JM. Small Molecule Mixture Analysis by Heteronuclear NMR under Spin Diffusion Conditions in Viscous DMSO-Water Solvent. Chemistry 2017; 23:4923-4928. [DOI: 10.1002/chem.201700636] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2017] [Indexed: 02/05/2023]
Affiliation(s)
- Pedro Lameiras
- Université de Reims Champagne-Ardenne; Institut de Chimie Moléculaire de Reims, CNRS UMR 7312, SFR CAP-Santé BP 1039; 51687 Reims Cedex 02 France
| | - Solène Patis
- Université de Reims Champagne-Ardenne; Institut de Chimie Moléculaire de Reims, CNRS UMR 7312, SFR CAP-Santé BP 1039; 51687 Reims Cedex 02 France
| | - Jouda Jakhlal
- Université de Reims Champagne-Ardenne; Institut de Chimie Moléculaire de Reims, CNRS UMR 7312, SFR CAP-Santé BP 1039; 51687 Reims Cedex 02 France
| | - Stéphanie Castex
- Université de Reims Champagne-Ardenne; Institut de Chimie Moléculaire de Reims, CNRS UMR 7312, SFR CAP-Santé BP 1039; 51687 Reims Cedex 02 France
| | - Pascale Clivio
- Université de Reims Champagne-Ardenne; Institut de Chimie Moléculaire de Reims, CNRS UMR 7312, SFR CAP-Santé BP 1039; 51687 Reims Cedex 02 France
| | - Jean-Marc Nuzillard
- Université de Reims Champagne-Ardenne; Institut de Chimie Moléculaire de Reims, CNRS UMR 7312, SFR CAP-Santé BP 1039; 51687 Reims Cedex 02 France
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20
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Current and Future Perspectives on the Structural Identification of Small Molecules in Biological Systems. Metabolites 2016; 6:metabo6040046. [PMID: 27983674 PMCID: PMC5192452 DOI: 10.3390/metabo6040046] [Citation(s) in RCA: 84] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2016] [Revised: 12/04/2016] [Accepted: 12/06/2016] [Indexed: 12/29/2022] Open
Abstract
Although significant advances have been made in recent years, the structural elucidation of small molecules continues to remain a challenging issue for metabolite profiling. Many metabolomic studies feature unknown compounds; sometimes even in the list of features identified as "statistically significant" in the study. Such metabolic "dark matter" means that much of the potential information collected by metabolomics studies is lost. Accurate structure elucidation allows researchers to identify these compounds. This in turn, facilitates downstream metabolite pathway analysis, and a better understanding of the underlying biology of the system under investigation. This review covers a range of methods for the structural elucidation of individual compounds, including those based on gas and liquid chromatography hyphenated to mass spectrometry, single and multi-dimensional nuclear magnetic resonance spectroscopy, and high-resolution mass spectrometry and includes discussion of data standardization. Future perspectives in structure elucidation are also discussed; with a focus on the potential development of instruments and techniques, in both nuclear magnetic resonance spectroscopy and mass spectrometry that, may help solve some of the current issues that are hampering the complete identification of metabolite structure and function.
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van Duynhoven JPM, Jacobs DM. Assessment of dietary exposure and effect in humans: The role of NMR. PROGRESS IN NUCLEAR MAGNETIC RESONANCE SPECTROSCOPY 2016; 96:58-72. [PMID: 27573181 DOI: 10.1016/j.pnmrs.2016.03.001] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/27/2015] [Revised: 03/19/2016] [Accepted: 03/19/2016] [Indexed: 06/06/2023]
Abstract
In human nutritional science progress has always depended strongly on analytical measurements for establishing relationships between diet and health. This field has undergone significant changes as a result of the development of NMR and mass spectrometry methods for large scale detection, identification and quantification of metabolites in body fluids. This has allowed systematic studies of the metabolic fingerprints that biological processes leave behind, and has become the research field of metabolomics. As a metabolic profiling technique, NMR is at its best when its unbiased nature, linearity and reproducibility are exploited in well-controlled nutritional intervention and cross-sectional population screening studies. Although its sensitivity is less good than that of mass spectrometry, NMR has maintained a strong position in metabolomics through implementation of standardisation protocols, hyphenation with mass spectrometry and chromatographic techniques, accurate quantification and spectral deconvolution approaches, and high-throughput automation. Thus, NMR-based metabolomics has contributed uniquely to new insights into dietary exposure, in particular by unravelling the metabolic fates of phytochemicals and the discovery of dietary intake markers. NMR profiling has also contributed to the understanding of the subtle effects of diet on central metabolism and lipoprotein metabolism. In order to hold its ground in nutritional metabolomics, NMR will need to step up its performance in sensitivity and resolution; the most promising routes forward are the analytical use of dynamic nuclear polarisation and developments in microcoil construction and automated fractionation.
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Affiliation(s)
- John P M van Duynhoven
- Unilever R&D Vlaardingen, Olivier van Noortlaan 120, 3130AC Vlaardingen, The Netherlands; Laboratory of Biophysics and Wageningen NMR Centre, Wageningen University, Dreijenlaan 3, 6703HA Wageningen, The Netherlands.
| | - Doris M Jacobs
- Unilever R&D Vlaardingen, Olivier van Noortlaan 120, 3130AC Vlaardingen, The Netherlands
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22
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Dong X, Wang R, Zhou X, Li P, Yang H. Current mass spectrometry approaches and challenges for the bioanalysis of traditional Chinese medicines. J Chromatogr B Analyt Technol Biomed Life Sci 2016; 1026:15-26. [DOI: 10.1016/j.jchromb.2015.11.048] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2015] [Revised: 11/23/2015] [Accepted: 11/25/2015] [Indexed: 12/11/2022]
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23
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Lameiras P, Nuzillard JM. Highly Viscous Binary Solvents: DMSO-d6/Glycerol and DMSO-d6/Glycerol-d8 for Polar and Apolar Mixture Analysis by NMR. Anal Chem 2016; 88:4508-15. [DOI: 10.1021/acs.analchem.6b00481] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Affiliation(s)
- Pedro Lameiras
- Université de Reims Champagne-Ardenne, Institut de Chimie Moléculaire
de Reims, CNRS UMR 7312, SFR CAP-Santé, BP 1039, 51687 Reims Cedex 02, France
| | - Jean-Marc Nuzillard
- Université de Reims Champagne-Ardenne, Institut de Chimie Moléculaire
de Reims, CNRS UMR 7312, SFR CAP-Santé, BP 1039, 51687 Reims Cedex 02, France
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24
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Di Tullio V, Capitani D, Atrei A, Benetti F, Perra G, Presciutti F, Proietti N, Marchettini N. Advanced NMR methodologies and micro-analytical techniques to investigate the stratigraphy and materials of 14th century Sienese wooden paintings. Microchem J 2016. [DOI: 10.1016/j.microc.2015.11.036] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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25
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Villar M, Ayllón N, Alberdi P, Moreno A, Moreno M, Tobes R, Mateos-Hernández L, Weisheit S, Bell-Sakyi L, de la Fuente J. Integrated Metabolomics, Transcriptomics and Proteomics Identifies Metabolic Pathways Affected by Anaplasma phagocytophilum Infection in Tick Cells. Mol Cell Proteomics 2015; 14:3154-72. [PMID: 26424601 DOI: 10.1074/mcp.m115.051938] [Citation(s) in RCA: 97] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2015] [Indexed: 01/01/2023] Open
Abstract
Anaplasma phagocytophilum is an emerging zoonotic pathogen that causes human granulocytic anaplasmosis. These intracellular bacteria establish infection by affecting cell function in both the vertebrate host and the tick vector, Ixodes scapularis. Previous studies have characterized the tick transcriptome and proteome in response to A. phagocytophilum infection. However, in the postgenomic era, the integration of omics datasets through a systems biology approach allows network-based analyses to describe the complexity and functionality of biological systems such as host-pathogen interactions and the discovery of new targets for prevention and control of infectious diseases. This study reports the first systems biology integration of metabolomics, transcriptomics, and proteomics data to characterize essential metabolic pathways involved in the tick response to A. phagocytophilum infection. The ISE6 tick cells used in this study constitute a model for hemocytes involved in pathogen infection and immune response. The results showed that infection affected protein processing in endoplasmic reticulum and glucose metabolic pathways in tick cells. These results supported tick-Anaplasma co-evolution by providing new evidence of how tick cells limit pathogen infection, while the pathogen benefits from the tick cell response to establish infection. Additionally, ticks benefit from A. phagocytophilum infection by increasing survival while pathogens guarantee transmission. The results suggested that A. phagocytophilum induces protein misfolding to limit the tick cell response and facilitate infection but requires protein degradation to prevent ER stress and cell apoptosis to survive in infected cells. Additionally, A. phagocytophilum may benefit from the tick cell's ability to limit bacterial infection through PEPCK inhibition leading to decreased glucose metabolism, which also results in the inhibition of cell apoptosis that increases infection of tick cells. These results support the use of this experimental approach to systematically identify cell pathways and molecular mechanisms involved in tick-pathogen interactions. Data are available via ProteomeXchange with identifier PXD002181.
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Affiliation(s)
- Margarita Villar
- From the ‡SaBio. Instituto de Investigación en Recursos Cinegéticos IREC-CSIC-UCLM-JCCM, Ronda de Toledo s/n, 13005 Ciudad Real, Spain;
| | - Nieves Ayllón
- From the ‡SaBio. Instituto de Investigación en Recursos Cinegéticos IREC-CSIC-UCLM-JCCM, Ronda de Toledo s/n, 13005 Ciudad Real, Spain
| | - Pilar Alberdi
- From the ‡SaBio. Instituto de Investigación en Recursos Cinegéticos IREC-CSIC-UCLM-JCCM, Ronda de Toledo s/n, 13005 Ciudad Real, Spain
| | - Andrés Moreno
- §Departamento de Química Orgánica, Facultad de Ciencias y Tecnologías Químicas, Universidad de Castilla-La Mancha, 13071 Ciudad Real, Spain
| | - María Moreno
- §Departamento de Química Orgánica, Facultad de Ciencias y Tecnologías Químicas, Universidad de Castilla-La Mancha, 13071 Ciudad Real, Spain
| | - Raquel Tobes
- ¶Oh No Sequences! Research Group, Era7 Bioinformatics, Plaza Campo Verde n° 3 Ático, 18001 Granada, Spain
| | - Lourdes Mateos-Hernández
- From the ‡SaBio. Instituto de Investigación en Recursos Cinegéticos IREC-CSIC-UCLM-JCCM, Ronda de Toledo s/n, 13005 Ciudad Real, Spain
| | - Sabine Weisheit
- ‖The Roslin Institute and Royal (Dick) School of Veterinary Studies, University of Edinburgh, Easter Bush, Midlothian EH25 9RG, UK; **The Pirbright Institute, Ash Road, Pirbright, Woking, GU24 0NF, UK
| | - Lesley Bell-Sakyi
- ‖The Roslin Institute and Royal (Dick) School of Veterinary Studies, University of Edinburgh, Easter Bush, Midlothian EH25 9RG, UK; **The Pirbright Institute, Ash Road, Pirbright, Woking, GU24 0NF, UK
| | - José de la Fuente
- From the ‡SaBio. Instituto de Investigación en Recursos Cinegéticos IREC-CSIC-UCLM-JCCM, Ronda de Toledo s/n, 13005 Ciudad Real, Spain; ‡‡Department of Veterinary Pathobiology, Center for Veterinary Health Sciences, Oklahoma State University, Stillwater, OK 74078.
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Coen M. Metabolic phenotyping applied to pre-clinical and clinical studies of acetaminophen metabolism and hepatotoxicity. Drug Metab Rev 2014; 47:29-44. [PMID: 25533740 DOI: 10.3109/03602532.2014.982865] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
Acetaminophen (APAP, paracetamol, N-acetyl-p-aminophenol) is a widely used analgesic that is safe at therapeutic doses but is a major cause of acute liver failure (ALF) following overdose. APAP-induced hepatotoxicity is related to the formation of an electrophilic reactive metabolite, N-acetyl-p-benzoquinone imine (NAPQI), which is detoxified through conjugation with reduced glutathione (GSH). One method that has been applied to study APAP metabolism and hepatotoxicity is that of metabolic phenotyping, which involves the study of the small molecule complement of complex biological samples. This approach involves the use of high-resolution analytical platforms such as NMR spectroscopy and mass spectrometry to generate information-rich metabolic profiles that reflect both genetic and environmental influences and capture both endogenous and xenobiotic metabolites. Data modeling and mining and the subsequent identification of panels of candidate biomarkers are typically approached with multivariate statistical tools. We review the application of multi-platform metabolic profiling for the study of APAP metabolism in both in vivo models and humans. We also review the application of metabolic profiling for the study of endogenous metabolic pathway perturbations in response to APAP hepatotoxicity, with a particular focus on metabolites involved in the biosynthesis of GSH and those that reflect mitochondrial function such as long-chain acylcarnitines. Taken together, this body of work sheds much light on the mechanism of APAP-induced hepatotoxicity and provides candidate biomarkers that may prove of translational relevance for improved stratification of APAP-induced ALF.
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Affiliation(s)
- Muireann Coen
- Computational and Systems Medicine, Department of Surgery and Cancer, Faculty of Medicine, Imperial College London , London , UK
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27
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DONG MH, SUN SM, JIN B. Application of Modified Mesoporous Silica Materials for Analysis of Small Molecules by MALDI-TOF-MS. CHINESE JOURNAL OF ANALYTICAL CHEMISTRY 2014. [DOI: 10.1016/s1872-2040(14)60763-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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28
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Trivedi DK, Iles RK. Do not just do it, do it right: urinary metabolomics -establishing clinically relevant baselines. Biomed Chromatogr 2014; 28:1491-501. [DOI: 10.1002/bmc.3219] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2014] [Revised: 03/17/2014] [Accepted: 03/25/2014] [Indexed: 12/11/2022]
Affiliation(s)
- Drupad K. Trivedi
- Eric Leonard Kruse Foundation for Health Research; Manchester UK
- Manchester Institute of Biotechnology and School of Chemistry; University of Manchester; M1 7DN UK
| | - Ray K. Iles
- Eric Leonard Kruse Foundation for Health Research; Manchester UK
- MAP Diagnostic Ltd; Ely Cambridgeshire UK
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29
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Zalesskiy SS, Danieli E, Blümich B, Ananikov VP. Miniaturization of NMR systems: desktop spectrometers, microcoil spectroscopy, and "NMR on a chip" for chemistry, biochemistry, and industry. Chem Rev 2014; 114:5641-94. [PMID: 24779750 DOI: 10.1021/cr400063g] [Citation(s) in RCA: 129] [Impact Index Per Article: 12.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Sergey S Zalesskiy
- Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences , Moscow, 119991, Russia
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30
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Proietti N, Capitani D, Di Tullio V. Applications of nuclear magnetic resonance sensors to cultural heritage. SENSORS 2014; 14:6977-97. [PMID: 24755519 PMCID: PMC4029666 DOI: 10.3390/s140406977] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/03/2014] [Revised: 04/08/2014] [Accepted: 04/15/2014] [Indexed: 11/24/2022]
Abstract
In recent years nuclear magnetic resonance (NMR) sensors have been increasingly applied to investigate, characterize and monitor objects of cultural heritage interest. NMR is not confined to a few specific applications, but rather its use can be successfully extended to a wide number of different cultural heritage issues. A breakthrough has surely been the recent development of portable NMR sensors which can be applied in situ for non-destructive and non-invasive investigations. In this paper three studies illustrating the potential of NMR sensors in this field of research are reported.
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Affiliation(s)
- Noemi Proietti
- Laboratorio di Risonanza Magnetica "Annalaura Segre", Istituto di Metodologie Chimiche, CNR Area della Ricerca di Roma 1, Via Salaria Km 29,300, 00015 Monterotondo (Rome), Italy.
| | - Donatella Capitani
- Laboratorio di Risonanza Magnetica "Annalaura Segre", Istituto di Metodologie Chimiche, CNR Area della Ricerca di Roma 1, Via Salaria Km 29,300, 00015 Monterotondo (Rome), Italy.
| | - Valeria Di Tullio
- Laboratorio di Risonanza Magnetica "Annalaura Segre", Istituto di Metodologie Chimiche, CNR Area della Ricerca di Roma 1, Via Salaria Km 29,300, 00015 Monterotondo (Rome), Italy.
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31
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Foti C, Alsante K, Cheng G, Zelesky T, Zell M. Tools and workflow for structure elucidation of drug degradation products. Trends Analyt Chem 2013. [DOI: 10.1016/j.trac.2013.06.005] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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32
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Appiah-Amponsah E, Owusu-Sarfo K, Gowda GN, Ye T, Raftery D. Combining Hydrophilic Interaction Chromatography (HILIC) and Isotope Tagging for Off-Line LC-NMR Applications in Metabolite Analysis. Metabolites 2013; 3:575-591. [PMID: 24860727 PMCID: PMC3901292 DOI: 10.3390/metabo3030575] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2013] [Revised: 07/06/2013] [Accepted: 07/15/2013] [Indexed: 11/16/2022] Open
Abstract
The complementary use of liquid chromatography (LC) and nuclear magnetic resonance (NMR) has shown high utility in a variety of fields. While the significant benefit of spectral simplification can be achieved for the analysis of complex samples, other limitations remain. For example, (1)H LC-NMR suffers from pH dependent chemical shift variations, especially during urine analysis, owing to the high physiological variation of urine pH. Additionally, large solvent signals from the mobile phase in LC can obscure lower intensity signals and severely limit the number of metabolites detected. These limitations, along with sample dilution, hinder the ability to make reliable chemical shift assignments. Recently, stable isotopic labeling has been used to detect quantitatively specific classes of metabolites of interest in biofluids. Here we present a strategy that explores the combined use of two-dimensional hydrophilic interaction chromatography (HILIC) and isotope tagged NMR for the unambiguous identification of carboxyl containing metabolites present in human urine. The ability to separate structurally related compounds chromatographically, in off-line mode, followed by detection using (1)H-(15)N 2D HSQC (two-dimensional heteronuclear single quantum coherence) spectroscopy, resulted in the assignment of low concentration carboxyl-containing metabolites from a library of isotope labeled compounds. The quantitative nature of this strategy is also demonstrated.
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Affiliation(s)
- Emmanuel Appiah-Amponsah
- Department of Chemistry, Purdue University, West Lafayette, IN 47907, USA; E-Mails: (E.A.-A.); (K.O.-S.); (G.A.N.G.); (T.Y.)
| | - Kwadwo Owusu-Sarfo
- Department of Chemistry, Purdue University, West Lafayette, IN 47907, USA; E-Mails: (E.A.-A.); (K.O.-S.); (G.A.N.G.); (T.Y.)
| | - G.A. Nagana Gowda
- Department of Chemistry, Purdue University, West Lafayette, IN 47907, USA; E-Mails: (E.A.-A.); (K.O.-S.); (G.A.N.G.); (T.Y.)
- Northwest Metabolomics Research Center, Department of Anesthesiology and Pain Medicine, University of Washington, Seattle, WA 98109, USA
| | - Tao Ye
- Department of Chemistry, Purdue University, West Lafayette, IN 47907, USA; E-Mails: (E.A.-A.); (K.O.-S.); (G.A.N.G.); (T.Y.)
| | - Daniel Raftery
- Department of Chemistry, Purdue University, West Lafayette, IN 47907, USA; E-Mails: (E.A.-A.); (K.O.-S.); (G.A.N.G.); (T.Y.)
- Northwest Metabolomics Research Center, Department of Anesthesiology and Pain Medicine, University of Washington, Seattle, WA 98109, USA
- Fred Hutchinson Cancer Research Center, Seattle, WA 98109, USA
- Author to whom correspondence should be addressed; E-Mail: ; Tel: +206-543-9709; Fax: +206-616-4819
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Resolving the problem of chromatographic overlap by 3D cross correlation (3DCC) processing of LC, MS and NMR data for characterization of complex glycan mixtures. Anal Bioanal Chem 2012; 404:1427-37. [DOI: 10.1007/s00216-012-6241-y] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2012] [Revised: 06/26/2012] [Accepted: 06/29/2012] [Indexed: 12/18/2022]
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Metabolomics: Concept, methods and potential prospect in marine biology. CHINESE SCIENCE BULLETIN-CHINESE 2012. [DOI: 10.1007/s11434-012-5237-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
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35
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Capitani D, Di Tullio V, Proietti N. Nuclear magnetic resonance to characterize and monitor Cultural Heritage. PROGRESS IN NUCLEAR MAGNETIC RESONANCE SPECTROSCOPY 2012; 64:29-69. [PMID: 22578316 DOI: 10.1016/j.pnmrs.2011.11.001] [Citation(s) in RCA: 44] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/05/2011] [Accepted: 11/01/2011] [Indexed: 05/31/2023]
Affiliation(s)
- Donatella Capitani
- Magnetic Resonance Laboratory Annalaura Segre, Institute of Chemical Methodologies, CNR Research Area of Rome, Via Salaria km. 29.300, 00015 Monterotondo, Rome, Italy.
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Abstract
Proteoglycans (PGs) are among the most structurally complex biomacromolecules in nature. They are present in all animal cells and frequently exert their critical biological functions through interactions with protein ligands and receptors. PGs are comprised of a core protein to which one or multiple, heterogeneous, and polydisperse glycosaminoglycan (GAG) chains are attached. Proteins, including the protein core of PGs, are now routinely sequenced either directly using proteomics or indirectly using molecular biology through their encoding DNA. The sequencing of the GAG component of PGs poses a considerably more difficult challenge because of the relatively underdeveloped state of glycomics and because the control of their biosynthesis in the endoplasmic reticulum and the Golgi is poorly understood and not believed to be template driven. Recently, the GAG chain of the simplest PG has been suggested to have a defined sequence based on its top-down Fourier transform mass spectral sequencing. This review examines the advances made over the past decade in the sequencing of GAG chains and the challenges the field face in sequencing complex PGs having critical biological functions in developmental biology and pathogenesis.
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Affiliation(s)
- Lingyun Li
- Department of Chemistry and Chemical Biology, Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, Troy, New York, 12180, USA; Fax: +1 518-276-3405; Tel: +1 518-276-3404
| | - Mellisa Ly
- Department of Chemistry and Chemical Biology, Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, Troy, New York, 12180, USA; Fax: +1 518-276-3405; Tel: +1 518-276-3404
| | - Robert J. Linhardt
- Department of Chemistry and Chemical Biology, Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, Troy, New York, 12180, USA; Fax: +1 518-276-3405; Tel: +1 518-276-3404
- Department of Biology, Chemical and Biological Engineering and Biomedical Engineering, Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, Troy, New York, 12180, USA
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Lee YP, Hsu FL, Kang JJ, Chen CK, Lee SS. Metabolism of (2S)-Pterosin A: Identification of the Phase I and Phase II Metabolites in Rat Urine. Drug Metab Dispos 2012; 40:1566-74. [DOI: 10.1124/dmd.112.045039] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
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Dalitz F, Cudaj M, Maiwald M, Guthausen G. Process and reaction monitoring by low-field NMR spectroscopy. PROGRESS IN NUCLEAR MAGNETIC RESONANCE SPECTROSCOPY 2012; 60:52-70. [PMID: 22293399 DOI: 10.1016/j.pnmrs.2011.11.003] [Citation(s) in RCA: 131] [Impact Index Per Article: 10.9] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/26/2011] [Accepted: 11/29/2011] [Indexed: 05/31/2023]
Affiliation(s)
- Franz Dalitz
- Institute of Mechanical Process Engineering and Mechanics, SRG10-2, KIT, Adenauerring 20 b, 76131 Karlsruhe, Germany
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40
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Gowda GAN, Shanaiah N, Raftery D. Isotope enhanced approaches in metabolomics. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2012; 992:147-64. [PMID: 23076583 DOI: 10.1007/978-94-007-4954-2_8] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
The rapidly growing area of "metabolomics," in which a large number of metabolites from body fluids, cells or tissue are detected quantitatively, in a single step, promises immense potential for a number of disciplines including early disease diagnosis, therapy monitoring, systems biology, drug discovery and nutritional science. Because of its ability to detect a large number of metabolites in intact biological samples reproducibly and quantitatively, nuclear magnetic resonance (NMR) spectroscopy has emerged as one of the most powerful analytical techniques in metabolomics. NMR spectroscopy of biological samples with isotope labeling of metabolites using nuclei such as (2)H, (13)C, (15)N and (31)P, either in vivo or ex vivo, has dramatically improved our ability to identify low concentrated metabolites and trace important metabolic pathways. Considering the somewhat limited sensitivity and high complexity of NMR spectra of biological samples, efforts have been made to increase sensitivity and selectivity through isotope labeling methods, which pave novel avenues to unravel biological complexity and understand cellular functions in health and various disease conditions. This chapter describes current developments in isotope labeling of metabolites in vivo as well as ex vivo, and their potential metabolomics applications.
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Affiliation(s)
- G A Nagana Gowda
- Department of Anesthesiology and Pain Medicine, University of Washington, Seattle, WA 98109, USA.
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41
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From single to multiple microcoil flow probe NMR and related capillary techniques: a review. Anal Bioanal Chem 2011; 402:647-69. [PMID: 21969176 DOI: 10.1007/s00216-011-5419-z] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2011] [Revised: 08/20/2011] [Accepted: 09/14/2011] [Indexed: 10/17/2022]
Abstract
Nuclear magnetic resonance (NMR) spectroscopy is one of the most important and powerful instrumental analytical techniques for structural elucidation of unknown small and large (complex) isolated and synthesized compounds in organic and inorganic chemistry. X-ray crystallography, neutron scattering (neutron diffraction), and NMR spectroscopy are the only suitable methods for three-dimensional structure determination at atomic resolution. Moreover, these methods are complementary. However, by means of NMR spectroscopy, reaction dynamics and interaction processes can also be investigated. Unfortunately, this technique is very insensitive in comparison with other spectrometric (e.g., mass spectrometry) and spectroscopic (e.g., infrared spectroscopy) methods. Mainly through the development of stronger magnets and more sensitive solenoidal microcoil flow probes, this drawback has been successfully counteracted. Capillary NMR spectroscopy increases the mass-based sensitivity of the NMR spectroscopic analysis up to 100-fold compared with conventional 5-mm NMR probes, and thus can be coupled online and off-line with other microseparation and detection techniques. It offers not only higher sensitivity, but in many cases provides better quality spectra than traditional methods. Owing to the immense number of compounds (e.g., of natural product extracts and compound libraries) to be examined, single microcoil flow probe NMR spectroscopy will soon be far from being sufficiently effective as a screening method. For this reason, an inevitable trend towards coupled microseparation-multiple microcoil flow probe NMR techniques, which allow simultaneous online and off-line detection of several compounds, will occur. In this review we describe the current status and possible future developments of single and multiple microcoil capillary flow probe NMR spectroscopy and its application as a high-throughput tool for the analysis of a large number of mass-limited samples. The advantages and drawbacks of different coupled microseparation-capillary NMR spectroscopy techniques, such as capillary high-performance liquid chromatography-NMR spectroscopy, capillary electrophoresis-NMR spectroscopy, and capillary gas chromatography-NMR spectroscopy, are discussed and demonstrated by specific applications. Another subject of discussion is the progress in parallel NMR detection techniques. Furthermore, the applicability and mixing capability of tiny reactor systems, termed "microreactors" or "micromixers," implemented in NMR probes is demonstrated by carbamate- and imine-forming reactions.
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Lameiras P, Boudesocque L, Mouloungui Z, Renault JH, Wieruszeski JM, Lippens G, Nuzillard JM. Glycerol and glycerol carbonate as ultraviscous solvents for mixture analysis by NMR. JOURNAL OF MAGNETIC RESONANCE (SAN DIEGO, CALIF. : 1997) 2011; 212:161-168. [PMID: 21802324 DOI: 10.1016/j.jmr.2011.06.021] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/25/2011] [Revised: 06/21/2011] [Accepted: 06/23/2011] [Indexed: 05/31/2023]
Abstract
NMR of weakly polar analytes in an apolar ultraviscous solvent has recently been proposed for mixture analysis as a pertinent alternative to the DOSY experiment. The present article reports the first use of glycerol and glycerol carbonate as polar solvents for the NMR analysis of a model mixture of dipeptides. This work demonstrates the high potentiality of these solvents for the analysis of mixtures made of polar and potentially bioactive compounds. Medium-sized molecules slowly reorient in glycerol and glycerol carbonate under particular temperature conditions, so that solute resonances may show spin diffusion in NOESY spectra, thus opening the way to mixture analysis. Glycerol and glycerol carbonate have turned out to be ultraviscous solvents of choice for the individualization of four structurally close mixed dipeptides: Leu-Val, Leu-Tyr, Gly-Tyr and Ala-Tyr by means of 1D and 2D NOESY experiments. Selective sample excitation and signal detection were implemented to eliminate the intense proton signals of the non-deuterated solvents. Moreover, the recording of a multiplet selective 2D NOESY-TOCSY has shown that the analytical power of NMR in highly viscous solvents is not limited to the extraction of mixture component 1D subspectra but may also yield some supplementary information about atom connectivity within components.
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Affiliation(s)
- Pedro Lameiras
- Université de Reims Champagne-Ardenne, Institut de Chimie Moléculaire de Reims, CNRS UMR 6229, IFR 53 Biomolécules, BP 1039, 51687 Reims Cedex 02, France
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43
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Jones CJ, Larive CK. Could smaller really be better? Current and future trends in high-resolution microcoil NMR spectroscopy. Anal Bioanal Chem 2011; 402:61-8. [DOI: 10.1007/s00216-011-5330-7] [Citation(s) in RCA: 41] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2011] [Revised: 08/02/2011] [Accepted: 08/06/2011] [Indexed: 11/28/2022]
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Wang XX, He JM, Wang CL, Zhang RP, He WY, Guo SX, Sun RX, Abliz Z. Simultaneous structural identification of natural products in fractions of crude extract of the rare endangered plant Anoectochilus roxburghii using H NMR/RRLC-MS parallel dynamic spectroscopy. Int J Mol Sci 2011; 12:2556-71. [PMID: 21731458 PMCID: PMC3127134 DOI: 10.3390/ijms12042556] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2011] [Revised: 04/11/2011] [Accepted: 04/12/2011] [Indexed: 12/02/2022] Open
Abstract
Nuclear magnetic resonance/liquid chromatography-mass spectroscopy parallel dynamic spectroscopy (NMR/LC-MS PDS) is a method aimed at the simultaneous structural identification of natural products in complex mixtures. In this study, the method is illustrated with respect to 1H NMR and rapid resolution liquid chromatography-mass spectroscopy (RRLC-MS) data, acquired from the crude extract of Anoectochilus roxburghii, which was separated into a series of fractions with the concentration of constituent dynamic variation using reversed-phase preparative chromatography. Through fraction ranges and intensity changing profiles in 1H NMR/RRLC–MS PDS spectrum, 1H NMR and the extracted ion chromatogram (XIC) signals deriving from the same individual constituent, were correlated due to the signal amplitude co-variation resulting from the concentration variation of constituents in a series of incompletely separated fractions. 1H NMR/RRLC-MS PDS was then successfully used to identify three types of natural products, including eight flavonoids, four organic acids and p-hydroxybenzaldehyde, five of which have not previously been reported in Anoectochilus roxburghii. In addition, two groups of co-eluted compounds were successfully identified. The results prove that this approach should be of benefit in the unequivocal structural determination of a variety of classes of compounds from extremely complex mixtures, such as herbs and biological samples, which will lead to improved efficiency in the identification of new potential lead compounds.
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Affiliation(s)
- Xiao-Xue Wang
- Key Laboratory of Bioactive Substances and Resource Utilization of Chinese Herbal Medicine, Ministry of Education, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China; E-Mails: (X.-X.W.); (J.-M.H.); (R.-P.Z.); (W.-Y.H.)
| | - Jiu-Ming He
- Key Laboratory of Bioactive Substances and Resource Utilization of Chinese Herbal Medicine, Ministry of Education, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China; E-Mails: (X.-X.W.); (J.-M.H.); (R.-P.Z.); (W.-Y.H.)
| | - Chun-Lan Wang
- Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100094, China; E-Mails: (C.-L.W.); (S.-X.G.)
| | - Rui-Ping Zhang
- Key Laboratory of Bioactive Substances and Resource Utilization of Chinese Herbal Medicine, Ministry of Education, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China; E-Mails: (X.-X.W.); (J.-M.H.); (R.-P.Z.); (W.-Y.H.)
| | - Wen-Yi He
- Key Laboratory of Bioactive Substances and Resource Utilization of Chinese Herbal Medicine, Ministry of Education, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China; E-Mails: (X.-X.W.); (J.-M.H.); (R.-P.Z.); (W.-Y.H.)
| | - Shun-Xing Guo
- Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100094, China; E-Mails: (C.-L.W.); (S.-X.G.)
| | - Rui-Xiang Sun
- Institute of Computing Technology, Chinese Academy of Sciences, Beijing 100080, China; E-Mail:
| | - Zeper Abliz
- Key Laboratory of Bioactive Substances and Resource Utilization of Chinese Herbal Medicine, Ministry of Education, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China; E-Mails: (X.-X.W.); (J.-M.H.); (R.-P.Z.); (W.-Y.H.)
- Author to whom correspondence should be addressed; E-Mail: ; Tel.: +86-10-631-65218; Fax: +86-10-631-65218
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Fratila RM, Velders AH. Small-volume nuclear magnetic resonance spectroscopy. ANNUAL REVIEW OF ANALYTICAL CHEMISTRY (PALO ALTO, CALIF.) 2011; 4:227-249. [PMID: 21391818 DOI: 10.1146/annurev-anchem-061010-114024] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
Nuclear magnetic resonance (NMR) spectroscopy is one of the most information-rich analytical techniques available. However, it is also inherently insensitive, and this drawback precludes the application of NMR spectroscopy to mass- and volume-limited samples. We review a particular approach to increase the sensitivity of NMR experiments, namely the use of miniaturized coils. When the size of the coil is reduced, the sample volume can be brought down to the nanoliter range. We compare the main coil geometries (solenoidal, planar, and microslot/stripline) and discuss their applications to the analysis of mass-limited samples. We also provide an overview of the hyphenation of microcoil NMR spectroscopy to separation techniques and of the integration with lab-on-a-chip devices and microreactors.
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Affiliation(s)
- Raluca M Fratila
- MIRA Institute for Biomedical Engineering and Technical Medicine, Faculty of Science and Technology, University of Twente, 7500 AE Enschede, The Netherlands.
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46
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Jones CJ, Beni S, Limtiaco JFK, Langeslay DJ, Larive CK. Heparin characterization: challenges and solutions. ANNUAL REVIEW OF ANALYTICAL CHEMISTRY (PALO ALTO, CALIF.) 2011; 4:439-465. [PMID: 21469955 DOI: 10.1146/annurev-anchem-061010-113911] [Citation(s) in RCA: 68] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
Although heparin is an important and widely prescribed pharmaceutical anticoagulant, its high degree of sequence microheterogeneity and size polydispersity make molecular-level characterization challenging. Unlike nucleic acids and proteins that are biosynthesized through template-driven assembly processes, heparin and the related glycosaminoglycan heparan sulfate are actively remodeled during biosynthesis through a series of enzymatic reactions that lead to variable levels of O- and N-sulfonation and uronic acid epimers. As summarized in this review, heparin sequence information is determined through a bottom-up approach that relies on depolymerization reactions, size- and charge-based separations, and sensitive mass spectrometric and nuclear magnetic resonance experiments to determine the structural identity of component oligosaccharides. The structure-elucidation process, along with its challenges and opportunities for future analytical improvements, is reviewed and illustrated for a heparin-derived hexasaccharide.
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Affiliation(s)
- Christopher J Jones
- Department of Chemistry, University of California, Riverside, California 92521, USA.
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Yang B, Solakyildirim K, Chang Y, Linhardt RJ. Hyphenated techniques for the analysis of heparin and heparan sulfate. Anal Bioanal Chem 2011; 399:541-57. [PMID: 20853165 PMCID: PMC3235348 DOI: 10.1007/s00216-010-4117-6] [Citation(s) in RCA: 49] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2010] [Revised: 08/06/2010] [Accepted: 08/09/2010] [Indexed: 12/11/2022]
Abstract
The elucidation of the structure of glycosaminoglycan has proven to be challenging for analytical chemists. Molecules of glycosaminoglycan have a high negative charge and are polydisperse and microheterogeneous, thus requiring the application of multiple analytical techniques and methods. Heparin and heparan sulfate are the most structurally complex of the glycosaminoglycans and are widely distributed in nature. They play critical roles in physiological and pathophysiological processes through their interaction with heparin-binding proteins. Moreover, heparin and low-molecular weight heparin are currently used as pharmaceutical drugs to control blood coagulation. In 2008, the health crisis resulting from the contamination of pharmaceutical heparin led to considerable attention regarding their analysis and structural characterization. Modern analytical techniques, including high-performance liquid chromatography, capillary electrophoresis, mass spectrometry, and nuclear magnetic resonance spectroscopy, played critical roles in this effort. A successful combination of separation and spectral techniques will clearly provide a critical advantage in the future analysis of heparin and heparan sulfate. This review focuses on recent efforts to develop hyphenated techniques for the analysis of heparin and heparan sulfate.
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Affiliation(s)
- Bo Yang
- Department of Chemistry and Chemical Biology, Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, Troy, NY 12180, USA
| | - Kemal Solakyildirim
- Department of Chemistry and Chemical Biology, Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, Troy, NY 12180, USA
| | - Yuqing Chang
- Department of Chemistry and Chemical Biology, Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, Troy, NY 12180, USA
| | - Robert J. Linhardt
- Department of Chemistry and Chemical Biology, Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, Troy, NY 12180, USA
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Vogt FG, Wu L, Olsen MA, Clark WM. A spectroscopic and computational study of an electrocyclized photo-degradation product of 6-(2-(5-chloro-2-(2,4-difluorobenyzloxy)phenyl)cyclopent-1-enyl)picolinic acid. J Mol Struct 2010. [DOI: 10.1016/j.molstruc.2010.09.036] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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49
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Coen M. A metabonomic approach for mechanistic exploration of pre-clinical toxicology. Toxicology 2010; 278:326-40. [DOI: 10.1016/j.tox.2010.07.022] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2010] [Revised: 07/29/2010] [Accepted: 07/30/2010] [Indexed: 12/17/2022]
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50
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Abstract
The production of 'global' metabolite profiles involves measuring low molecular-weight metabolites (<1 kDa) in complex biofluids/tissues to study perturbations in response to physiological challenges, toxic insults or disease processes. Information-rich analytical platforms, such as mass spectrometry (MS), are needed. Here we describe the application of ultra-performance liquid chromatography-MS (UPLC-MS) to urinary metabolite profiling, including sample preparation, stability/storage and the selection of chromatographic conditions that balance metabolome coverage, chromatographic resolution and throughput. We discuss quality control and metabolite identification, as well as provide details of multivariate data analysis approaches for analyzing such MS data. Using this protocol, the analysis of a sample set in 96-well plate format, would take ca. 30 h, including 1 h for system setup, 1-2 h for sample preparation, 24 h for UPLC-MS analysis and 1-2 h for initial data processing. The use of UPLC-MS for metabolic profiling in this way is not faster than the conventional HPLC-based methods but, because of improved chromatographic performance, provides superior metabolome coverage.
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