1
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Mamun MA, Rahman MM, Sakamoto T, Islam A, Oyama S, Nabi MM, Sato T, Kahyo T, Takahashi Y, Setou M. Detection of Distinct Distributions of Acetaminophen and Acetaminophen-Cysteine in Kidneys up to 10 μm Resolution and Identification of a Novel Acetaminophen Metabolite Using an AP-MALDI Imaging Mass Microscope. JOURNAL OF THE AMERICAN SOCIETY FOR MASS SPECTROMETRY 2023. [PMID: 37308161 DOI: 10.1021/jasms.3c00149] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Drug distribution studies in tissue are crucial for understanding the pharmacokinetics and potential toxicity of drugs. Recently, matrix-assisted laser desorption ionization-mass spectrometry imaging (MALDI-MSI) has gained attention for drug distribution studies due to its high sensitivity, label-free nature, and ability to distinguish between parent drugs, their metabolites, and endogenous molecules. Despite these advantages, achieving high spatial resolution in drug imaging is challenging. Importantly, many drugs and metabolites are rarely detectable by conventional vacuum MALDI-MSI because of their poor ionization efficiency. It has been reported that acetaminophen (APAP) and one of its major metabolites, APAP-Cysteine (APAP-CYS), cannot be detected by vacuum MALDI-MSI without derivatization. In this context, we showed the distribution of both APAP and APAP-CYS in kidneys at high spatial resolution (25 and 10 μm) by employing an atmospheric pressure-MALDI imaging mass microscope without derivatization. APAP was highly accumulated in the renal pelvis 1 h after drug administration, while APAP-CYS exhibited characteristic distributions in the outer medulla and renal pelvis at both 30 min and 1 h after administration. Interestingly, cluster-like distributions of APAP and APAP-CYS were observed in the renal pelvis at 10 μm spatial resolution. Additionally, a novel APAP metabolite, tentatively coined as APAP-butyl sulfate (APAP-BS), was identified in the kidney, brain, and liver by combining MSI and tandem MSI. For the first time, our study revealed differential distributions of APAP, APAP-CYS (in kidneys), and APAP-BS (in kidney, brain, and liver) and is believed to enhance the understanding of the pharmacokinetics and potential nephrotoxicity of this drug.
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Affiliation(s)
- Md Al Mamun
- Department of Cellular & Molecular Anatomy, Hamamatsu University School of Medicine, 1-20-1 Handayama, Higashi-ku, Hamamatsu, Shizuoka 431-3192, Japan
- Preppers Co., Ltd., Hamamatsu University School of Medicine, 1-20-1 Handayama, Higashi-ku, Hamamatsu, Shizuoka 431-3192, Japan
| | - Md Muedur Rahman
- Department of Cellular & Molecular Anatomy, Hamamatsu University School of Medicine, 1-20-1 Handayama, Higashi-ku, Hamamatsu, Shizuoka 431-3192, Japan
| | - Takumi Sakamoto
- Department of Cellular & Molecular Anatomy, Hamamatsu University School of Medicine, 1-20-1 Handayama, Higashi-ku, Hamamatsu, Shizuoka 431-3192, Japan
- Preppers Co., Ltd., Hamamatsu University School of Medicine, 1-20-1 Handayama, Higashi-ku, Hamamatsu, Shizuoka 431-3192, Japan
| | - Ariful Islam
- Department of Cellular & Molecular Anatomy, Hamamatsu University School of Medicine, 1-20-1 Handayama, Higashi-ku, Hamamatsu, Shizuoka 431-3192, Japan
- Preppers Co., Ltd., Hamamatsu University School of Medicine, 1-20-1 Handayama, Higashi-ku, Hamamatsu, Shizuoka 431-3192, Japan
| | - Soho Oyama
- Department of Cellular & Molecular Anatomy, Hamamatsu University School of Medicine, 1-20-1 Handayama, Higashi-ku, Hamamatsu, Shizuoka 431-3192, Japan
| | - Md Mahamodun Nabi
- Department of Cellular & Molecular Anatomy, Hamamatsu University School of Medicine, 1-20-1 Handayama, Higashi-ku, Hamamatsu, Shizuoka 431-3192, Japan
| | - Tomohito Sato
- Department of Cellular & Molecular Anatomy, Hamamatsu University School of Medicine, 1-20-1 Handayama, Higashi-ku, Hamamatsu, Shizuoka 431-3192, Japan
| | - Tomoaki Kahyo
- Department of Cellular & Molecular Anatomy, Hamamatsu University School of Medicine, 1-20-1 Handayama, Higashi-ku, Hamamatsu, Shizuoka 431-3192, Japan
- International Mass Imaging Center, Hamamatsu University School of Medicine, 1-20-1 Handayama, Higashi-ku, Hamamatsu, Shizuoka 431-3192, Japan
| | - Yutaka Takahashi
- Department of Cellular & Molecular Anatomy, Hamamatsu University School of Medicine, 1-20-1 Handayama, Higashi-ku, Hamamatsu, Shizuoka 431-3192, Japan
- Preppers Co., Ltd., Hamamatsu University School of Medicine, 1-20-1 Handayama, Higashi-ku, Hamamatsu, Shizuoka 431-3192, Japan
| | - Mitsutoshi Setou
- Department of Cellular & Molecular Anatomy, Hamamatsu University School of Medicine, 1-20-1 Handayama, Higashi-ku, Hamamatsu, Shizuoka 431-3192, Japan
- International Mass Imaging Center, Hamamatsu University School of Medicine, 1-20-1 Handayama, Higashi-ku, Hamamatsu, Shizuoka 431-3192, Japan
- Department of Systems Molecular Anatomy, Institute for Medical Photonics Research, Preeminent Medical Photonics Education & Research Center, 1-20-1 Handayama, Higashi-ku, Hamamatsu, Shizuoka 431-3192, Japan
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2
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Dannhorn A, Doria ML, McKenzie J, Inglese P, Swales JG, Hamm G, Strittmatter N, Maglennon G, Ghaem-Maghami S, Goodwin RJA, Takats Z. Targeted Desorption Electrospray Ionization Mass Spectrometry Imaging for Drug Distribution, Toxicity, and Tissue Classification Studies. Metabolites 2023; 13:metabo13030377. [PMID: 36984817 PMCID: PMC10060000 DOI: 10.3390/metabo13030377] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Revised: 02/27/2023] [Accepted: 02/28/2023] [Indexed: 03/06/2023] Open
Abstract
With increased use of mass spectrometry imaging (MSI) in support of pharmaceutical research and development, there are opportunities to develop analytical pipelines that incorporate exploratory high-performance analysis with higher capacity and faster targeted MSI. Therefore, to enable faster MSI data acquisition we present analyte-targeted desorption electrospray ionization–mass spectrometry imaging (DESI-MSI) utilizing a triple-quadrupole (TQ) mass analyzer. The evaluated platform configuration provided superior sensitivity compared to a conventional time-of-flight (TOF) mass analyzer and thus holds the potential to generate data applicable to pharmaceutical research and development. The platform was successfully operated with sampling rates up to 10 scans/s, comparing positively to the 1 scan/s commonly used on comparable DESI-TOF setups. The higher scan rate enabled investigation of the desorption/ionization processes of endogenous lipid species such as phosphatidylcholines and a co-administered cassette of four orally dosed drugs—erlotininb, moxifloxacin, olanzapine, and terfenadine. This was used to enable understanding of the impact of the desorption/ionization processes in order to optimize the operational parameters, resulting in improved compound coverage for olanzapine and the main olanzapine metabolite, hydroxy-olanzapine, in brain tissue sections compared to DESI-TOF analysis or matrix-assisted laser desorption/ionization (MALDI) platforms. The approach allowed reducing the amount of recorded information, thus reducing the size of datasets from up to 150 GB per experiment down to several hundred MB. The improved performance was demonstrated in case studies investigating the suitability of this approach for mapping drug distribution, spatially resolved profiling of drug-induced nephrotoxicity, and molecular–histological tissue classification of ovarian tumors specimens.
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Affiliation(s)
- Andreas Dannhorn
- Department of Metabolism, Digestion and Reproduction, Faculty of Medicine, Imperial College London, London SW7 2AZ, UK
- Imaging and Data Analytics, Clinical Pharmacology and Safety Sciences, R&D, AstraZeneca, Cambridge CB4 0WG, UK
| | - Maria Luisa Doria
- Department of Metabolism, Digestion and Reproduction, Faculty of Medicine, Imperial College London, London SW7 2AZ, UK
| | - James McKenzie
- Department of Metabolism, Digestion and Reproduction, Faculty of Medicine, Imperial College London, London SW7 2AZ, UK
| | - Paolo Inglese
- Department of Metabolism, Digestion and Reproduction, Faculty of Medicine, Imperial College London, London SW7 2AZ, UK
| | - John G. Swales
- Imaging and Data Analytics, Clinical Pharmacology and Safety Sciences, R&D, AstraZeneca, Cambridge CB4 0WG, UK
| | - Gregory Hamm
- Imaging and Data Analytics, Clinical Pharmacology and Safety Sciences, R&D, AstraZeneca, Cambridge CB4 0WG, UK
| | - Nicole Strittmatter
- Imaging and Data Analytics, Clinical Pharmacology and Safety Sciences, R&D, AstraZeneca, Cambridge CB4 0WG, UK
| | - Gareth Maglennon
- Pathology, Clinical Pharmacology and Safety Sciences, R&D, AstraZeneca, Cambridge CB4 0WG, UK
| | - Sadaf Ghaem-Maghami
- Department of Metabolism, Digestion and Reproduction, Faculty of Medicine, Imperial College London, London SW7 2AZ, UK
| | - Richard J. A. Goodwin
- Imaging and Data Analytics, Clinical Pharmacology and Safety Sciences, R&D, AstraZeneca, Cambridge CB4 0WG, UK
- Institute of Infection, Immunity and Inflammation, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow G12 8QQ, UK
| | - Zoltan Takats
- Department of Metabolism, Digestion and Reproduction, Faculty of Medicine, Imperial College London, London SW7 2AZ, UK
- Correspondence:
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3
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Soudah T, Zoabi A, Margulis K. Desorption electrospray ionization mass spectrometry imaging in discovery and development of novel therapies. MASS SPECTROMETRY REVIEWS 2023; 42:751-778. [PMID: 34642958 DOI: 10.1002/mas.21736] [Citation(s) in RCA: 17] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/13/2021] [Revised: 09/16/2021] [Accepted: 09/21/2021] [Indexed: 06/13/2023]
Abstract
Desorption electrospray ionization mass spectrometry imaging (DESI-MSI) is one of the least specimen destructive ambient ionization mass spectrometry tissue imaging methods. It enables rapid simultaneous mapping, measurement, and identification of hundreds of molecules from an unmodified tissue sample. Over the years, since its first introduction as an imaging technique in 2005, DESI-MSI has been extensively developed as a tool for separating tissue regions of various histopathologic classes for diagnostic applications. Recently, DESI-MSI has also emerged as a versatile technique that enables drug discovery and can guide the efficient development of drug delivery systems. For example, it has been increasingly employed for uncovering unique patterns of in vivo drug distribution, the discovery of potentially treatable biochemical pathways, revealing novel druggable targets, predicting therapeutic sensitivity of diseased tissues, and identifying early tissue response to pharmacological treatment. These and other recent advances in implementing DESI-MSI as the tool for the development of novel therapies are highlighted in this review.
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Affiliation(s)
- Terese Soudah
- The Faculty of Medicine, The School of Pharmacy, The Institute for Drug Research, The Hebrew University of Jerusalem, Jerusalem, Israel
| | - Amani Zoabi
- The Faculty of Medicine, The School of Pharmacy, The Institute for Drug Research, The Hebrew University of Jerusalem, Jerusalem, Israel
| | - Katherine Margulis
- The Faculty of Medicine, The School of Pharmacy, The Institute for Drug Research, The Hebrew University of Jerusalem, Jerusalem, Israel
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4
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Rebouta J, Dória ML, Campos F, Araújo F, Loureiro AI. DESI-MSI-based technique to unravel spatial distribution of COMT inhibitor Tolcapone. Int J Pharm 2023; 633:122607. [PMID: 36641138 DOI: 10.1016/j.ijpharm.2023.122607] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2022] [Revised: 01/05/2023] [Accepted: 01/08/2023] [Indexed: 01/13/2023]
Abstract
Ascertaining compound exposure and its spatial distribution are essential steps in the drug development process. Desorption electrospray ionization mass spectrometry (DESI-MSI) is a label-free imaging technique capable of simultaneously identify and visualize the distribution of a diverse range of biomolecules. In this study, DESI-MSI was employed to investigate spatial distribution of tolcapone in rat liver and brain coronal - frontal and striatal -sections after a single oral administration of 100 mg/Kg of tolcapone, brain-penetrant compound. Tolcapone was evenly distributed in liver tissue sections whereas in the brain it showed differential distribution across brain regions analyzed, being mainly located in the olfactory bulb, basal forebrain region, striatum, and pre-frontal cortex (PFC; cingulate, prelimbic and infralimbic area). Tolcapone concentration in tissues was compared using DESI-MSI and liquid-chromatography mass spectrometry (LC-MS/MS). DESI-MSI technique showed a higher specificity on detecting tolcapone in liver sections while in the brain samples DESI-MSI did not allow a feasible quantification. Indeed, DESI-MSI is a qualitative technique that allows to observe heterogeneity on distribution but more challenging regarding accurate measurements. Overall, tolcapone was successfully localized in liver and brain tissue sections using DESI-MSI, highlighting the added value that this technique could provide in assisting tissue-specific drug distribution studies.
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Key Words
- Arachidonic acid, 5Z,8Z,11Z,14Z-eicosatetraenoic acid, AA
- COMT
- DESI-MSI
- Docosahexaenoic acid, 4Z,7Z,10Z,13Z,16Z,19Z-docosahexaenoic acid, Cervonic acid
- Epinephrine, 4-[1-hydroxy-2-(methylamino)ethyl]-1,2-benzenediol monohydrochloride
- Mass spectrometry imaging
- Metanephrine, 4-hydroxy-3-methoxy-α-[(methylamino)methyl]-benzenemethanol
- Phosphatidylethanolamine 40:6, 1,2-diacyl-sn-glycero-3-phosphoethanolamine
- Phosphatidylethanolamine O-36:3, PE(O-16:0/20:3) 1-hexadecyl-2-(8Z,11Z,14Z-eicosatrienoyl)-glycero-3-phosphoethanolamine, PE(O-18:0/18:3) 1-octadecyl-2-(6Z,9Z,12Z-octadecatrienoyl)-glycero-3-phosphoethanolamine
- S-adenosyl-l-methionine, 5′-[[(3S)-3-amino-3-carboxypropyl]methylsulfonio]-5′-deoxy-adenosine, dihydrochloride
- Tolcapone
- Tolcapone, (3,4-dihydroxy-5-nitrophenyl)(4-methylphenyl)-methanone
- Tolcapone-d4, (3,4-dihydroxy-5-nitrophenyl)(4-methylphenyl-2,3,5,6-d4)methanone
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Affiliation(s)
- Joana Rebouta
- R&D department, Bial - Portela & Cª S.A., 4745-457 Coronado (S. Mamede e S. Romão), Portugal.
| | - M Luísa Dória
- R&D department, Bial - Portela & Cª S.A., 4745-457 Coronado (S. Mamede e S. Romão), Portugal
| | - Filipa Campos
- R&D department, Bial - Portela & Cª S.A., 4745-457 Coronado (S. Mamede e S. Romão), Portugal
| | - Francisca Araújo
- R&D department, Bial - Portela & Cª S.A., 4745-457 Coronado (S. Mamede e S. Romão), Portugal
| | - Ana I Loureiro
- R&D department, Bial - Portela & Cª S.A., 4745-457 Coronado (S. Mamede e S. Romão), Portugal
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5
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Caleb Bagley M, Garrard KP, Muddiman DC. The development and application of matrix assisted laser desorption electrospray ionization: The teenage years. MASS SPECTROMETRY REVIEWS 2023; 42:35-66. [PMID: 34028071 DOI: 10.1002/mas.21696] [Citation(s) in RCA: 31] [Impact Index Per Article: 31.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/26/2021] [Revised: 04/20/2021] [Accepted: 04/21/2021] [Indexed: 05/24/2023]
Abstract
In the past 15 years, ambient ionization techniques have witnessed a significant incursion into the field of mass spectrometry imaging, demonstrating their ability to provide complementary information to matrix-assisted laser desorption ionization. Matrix-assisted laser desorption electrospray ionization is one such technique that has evolved since its first demonstrations with ultraviolet lasers coupled to Fourier transform-ion cyclotron resonance mass spectrometers to extensive use with infrared lasers coupled to orbitrap-based mass spectrometers. Concurrently, there have been transformative developments of this imaging platform due to the high level of control the principal group has retained over the laser technology, data acquisition software (RastirX), instrument communication, and image processing software (MSiReader). This review will discuss the developments of MALDESI since its first laboratory demonstration in 2005 to the most recent advances in 2021.
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Affiliation(s)
- Michael Caleb Bagley
- FTMS Laboratory for Human Health Research, Department of Chemistry, North Carolina State University, Raleigh, North Carolina, USA
| | - Kenneth P Garrard
- FTMS Laboratory for Human Health Research, Department of Chemistry, North Carolina State University, Raleigh, North Carolina, USA
- The Precision Engineering Consortium, North Carolina State University, Raleigh, North Carolina, USA
- Molecular Education, Technology, and Research Innovation Center (METRIC), North Carolina State University, Raleigh, North Carolina, USA
| | - David C Muddiman
- FTMS Laboratory for Human Health Research, Department of Chemistry, North Carolina State University, Raleigh, North Carolina, USA
- Molecular Education, Technology, and Research Innovation Center (METRIC), North Carolina State University, Raleigh, North Carolina, USA
- Department of Plant and Microbial Biology, North Carolina State University, Raleigh, North Carolina, USA
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6
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Dannhorn A, Swales JG, Hamm G, Strittmatter N, Kudo H, Maglennon G, Goodwin RJA, Takats Z. Evaluation of Formalin-Fixed and FFPE Tissues for Spatially Resolved Metabolomics and Drug Distribution Studies. Pharmaceuticals (Basel) 2022; 15:1307. [PMID: 36355479 PMCID: PMC9697942 DOI: 10.3390/ph15111307] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2022] [Revised: 10/20/2022] [Accepted: 10/21/2022] [Indexed: 08/26/2023] Open
Abstract
Fixation of samples is broadly used prior to the histological evaluation of tissue samples. Though recent reports demonstrated the ability to use fixed tissues for mass spectrometry imaging (MSI) based proteomics, glycomics and tumor classification studies, to date comprehensive evaluation of fixation-related effects for spatially resolved metabolomics and drug disposition studies is still missing. In this study we used matrix assisted laser desorption/ionization (MALDI) and desorption electrospray ionization (DESI) MSI to investigate the effect of formalin-fixation and formalin-fixation combined with paraffin embedding on the detectable metabolome including xenobiotics. Formalin fixation was found to cause significant washout of polar molecular species, including inorganic salts, amino acids, organic acids and carnitine species, oxidation of endogenous lipids and formation of reaction products between lipids and fixative ingredients. The slow fixation kinetics under ambient conditions resulted in increased lipid hydrolysis in the tissue core, correlating with the time-dependent progression of the fixation. Paraffin embedding resulted in subsequent partial removal of structural lipids resulting in the distortion of the elucidated biodistributions.
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Affiliation(s)
- Andreas Dannhorn
- Department of Metabolism, Digestion and Reproduction, Imperial College London, London SW7 2AZ, UK
- Imaging & Data Analytics, Clinical Pharmacology and Safety Sciences, R&D, AstraZeneca, Cambridge CB4 0WG, UK
| | - John G. Swales
- Imaging & Data Analytics, Clinical Pharmacology and Safety Sciences, R&D, AstraZeneca, Cambridge CB4 0WG, UK
| | - Gregory Hamm
- Imaging & Data Analytics, Clinical Pharmacology and Safety Sciences, R&D, AstraZeneca, Cambridge CB4 0WG, UK
| | - Nicole Strittmatter
- Imaging & Data Analytics, Clinical Pharmacology and Safety Sciences, R&D, AstraZeneca, Cambridge CB4 0WG, UK
| | - Hiromi Kudo
- Department of Metabolism, Digestion and Reproduction, Imperial College London, London SW7 2AZ, UK
| | - Gareth Maglennon
- Oncology Safety, Clinical Pharmacology and Safety Sciences, R&D, AstraZeneca, Cambridge CB4 0WG, UK
| | - Richard J. A. Goodwin
- Imaging & Data Analytics, Clinical Pharmacology and Safety Sciences, R&D, AstraZeneca, Cambridge CB4 0WG, UK
- Institute of Infection, Immunity and Inflammation, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow G12 8TA, UK
| | - Zoltan Takats
- Department of Metabolism, Digestion and Reproduction, Imperial College London, London SW7 2AZ, UK
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7
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Chen Y, Xie Y, Li L, Wang Z, Yang L. Advances in mass spectrometry imaging for toxicological analysis and safety evaluation of pharmaceuticals. MASS SPECTROMETRY REVIEWS 2022:e21807. [PMID: 36146929 DOI: 10.1002/mas.21807] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/12/2022] [Revised: 07/27/2022] [Accepted: 08/08/2022] [Indexed: 06/16/2023]
Abstract
Safety issues caused by pharmaceuticals have frequently occurred worldwide, posing a tremendous threat to human health. As an essential part of drug development, the toxicological analysis and safety evaluation is of great significance. In addition, the risk of pharmaceuticals accumulation in the environment and the monitoring of the toxicity from natural medicines have also received ongoing concerns. Due to a lack of spatial distribution information provided by common analytical methods, analyses that provide spatial dimensions could serve as complementary safety evaluation methods for better prediction and evaluation of drug toxicity. With advances in technical solutions and software algorithms, mass spectrometry imaging (MSI) has received increasing attention as a popular analytical tool that enables the simultaneous implementation of qualitative, quantitative, and localization without complex sample pretreatment and labeling steps. In recent years, MSI has become more attractive, powerful, and sensitive and has been applied in several scientific fields that can meet the safety assessment requirements. This review aims to cover a detailed summary of the various MSI technologies utilized in the biomedical and pharmaceutical area, including technical principles, advantages, current status, and future trends. Representative applications and developments in the safety-related issues of different pharmaceuticals and natural medicines are also described to provide a reference for pharmaceutical research, improve rational clinical medicine use, and ensure public safety.
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Affiliation(s)
- Yilin Chen
- The MOE Key Laboratory of Standardization of Chinese Medicines, the SATCM Key Laboratory of New Resources and Quality Evaluation of Chinese Medicines, Shanghai Key Laboratory of Compound Chinese Medicines, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai, China
- Shanghai Frontiers Science Center of TCM Chemical Biology, Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Yanqiao Xie
- The MOE Key Laboratory of Standardization of Chinese Medicines, the SATCM Key Laboratory of New Resources and Quality Evaluation of Chinese Medicines, Shanghai Key Laboratory of Compound Chinese Medicines, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Linnan Li
- The MOE Key Laboratory of Standardization of Chinese Medicines, the SATCM Key Laboratory of New Resources and Quality Evaluation of Chinese Medicines, Shanghai Key Laboratory of Compound Chinese Medicines, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Zhengtao Wang
- The MOE Key Laboratory of Standardization of Chinese Medicines, the SATCM Key Laboratory of New Resources and Quality Evaluation of Chinese Medicines, Shanghai Key Laboratory of Compound Chinese Medicines, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Li Yang
- The MOE Key Laboratory of Standardization of Chinese Medicines, the SATCM Key Laboratory of New Resources and Quality Evaluation of Chinese Medicines, Shanghai Key Laboratory of Compound Chinese Medicines, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai, China
- Shanghai Frontiers Science Center of TCM Chemical Biology, Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, China
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8
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Wu V, Tillner J, Jones E, McKenzie JS, Gurung D, Mroz A, Poynter L, Simon D, Grau C, Altafaj X, Dumas ME, Gilmore I, Bunch J, Takats Z. High Resolution Ambient MS Imaging of Biological Samples by Desorption Electro-Flow Focussing Ionization. Anal Chem 2022; 94:10035-10044. [PMID: 35786855 PMCID: PMC9310024 DOI: 10.1021/acs.analchem.2c00345] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
In this study, we examine the suitability of desorption electro-flow focusing ionization (DEFFI) for mass spectrometry imaging (MSI) of biological tissue. We also compare the performance of desorption electrospray ionization (DESI) with and without the flow focusing setup. The main potential advantages of applying the flow focusing mechanism in DESI is its rotationally symmetric electrospray jet, higher intensity, more controllable parameters, and better portability due to the robustness of the sprayer. The parameters for DEFFI have therefore been thoroughly optimized, primarily for spatial resolution but also for intensity. Once the parameters have been optimized, DEFFI produces similar images to the existing DESI. MS images for mouse brain samples, acquired at a nominal pixel size of 50 μm, are comparable for both DESI setups, albeit the new sprayer design yields better sensitivity. Furthermore, the two methods are compared with regard to spectral intensity as well as the area of the desorbed crater on rhodamine-coated slides. Overall, the implementation of a flow focusing mechanism in DESI is shown to be highly suitable for imaging biological tissue and has potential to overcome some of the shortcomings experienced with the current geometrical design of DESI.
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Affiliation(s)
- Vincen Wu
- Department
of Digestion, Metabolism and Reproduction, Imperial College London, Sir Alexander Fleming Building, London SW7 2AZ, United Kingdom
| | - Jocelyn Tillner
- Department
of Digestion, Metabolism and Reproduction, Imperial College London, Sir Alexander Fleming Building, London SW7 2AZ, United Kingdom,NiCE-MSI, National Physical Laboratory
(NPL), Hampton Road, Teddington, Middlesex TW11 0LW, United Kingdom
| | - Emrys Jones
- Waters
Corporation, Altrincham
Road, Wilmslow SK9 4AX, United Kingdom
| | - James S. McKenzie
- Department
of Digestion, Metabolism and Reproduction, Imperial College London, Sir Alexander Fleming Building, London SW7 2AZ, United Kingdom
| | - Dipa Gurung
- Department
of Digestion, Metabolism and Reproduction, Imperial College London, Sir Alexander Fleming Building, London SW7 2AZ, United Kingdom
| | - Anna Mroz
- Department
of Digestion, Metabolism and Reproduction, Imperial College London, Sir Alexander Fleming Building, London SW7 2AZ, United Kingdom
| | - Liam Poynter
- Department
of Surgery & Cancer, Metabolism and Reproduction, Imperial College London, Sir Alexander Fleming Building, London SW7 2AZ, Unite Kingdom
| | - Daniel Simon
- Department
of Digestion, Metabolism and Reproduction, Imperial College London, Sir Alexander Fleming Building, London SW7 2AZ, United Kingdom
| | - Cristina Grau
- Neurometabolic
Unit, Department of Neurology, Hospital
Sant Joan de Déu, 08950 Barcelona, Spain
| | - Xavier Altafaj
- Neurophysiology
Laboratory, Department of Biomedicine, Faculty of Medicine and Health
Sciences, Institute of Neurosciences, University
of Barcelona, Barcelona 08036, Spain
| | - Marc-Emmanuel Dumas
- Department
of Digestion, Metabolism and Reproduction, Imperial College London, Sir Alexander Fleming Building, London SW7 2AZ, United Kingdom
| | - Ian Gilmore
- NiCE-MSI, National Physical Laboratory
(NPL), Hampton Road, Teddington, Middlesex TW11 0LW, United Kingdom
| | - Josephine Bunch
- NiCE-MSI, National Physical Laboratory
(NPL), Hampton Road, Teddington, Middlesex TW11 0LW, United Kingdom,Biological
Mass Spectrometry, Rosalind Franklin Institute, Harwell Campus, Didcot OX11 0QS, United
Kingdom
| | - Zoltan Takats
- Department
of Digestion, Metabolism and Reproduction, Imperial College London, Sir Alexander Fleming Building, London SW7 2AZ, United Kingdom,Biological
Mass Spectrometry, Rosalind Franklin Institute, Harwell Campus, Didcot OX11 0QS, United
Kingdom,
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9
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Steven RT, Niehaus M, Taylor AJ, Nasif A, Elia E, Goodwin RJA, Takats Z, Bunch J. Atmospheric-Pressure Infrared Laser-Ablation Plasma-Postionization Mass Spectrometry Imaging of Formalin-Fixed Paraffin-Embedded (FFPE) and Fresh-Frozen Tissue Sections with No Sample Preparation. Anal Chem 2022; 94:9970-9974. [PMID: 35798333 PMCID: PMC9310026 DOI: 10.1021/acs.analchem.2c00690] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
![]()
Mass spectrometry
imaging (MSI) encompasses a powerful suit of
techniques which provide spatially resolved atomic and molecular information
from almost any sample type. MSI is now widely used in preclinical
research to provide insight into metabolic phenotypes of disease.
Typically, fresh-frozen tissue preparations are considered optimal
for biological MSI and other traditional preservation methods such
as formalin fixation, alone or with paraffin embedding (FFPE), are
considered less optimal or even incompatible. Due to the prevalence
of FFPE tissue storage, particularly for rare and therefore high-value
tissue samples, there is substantial motivation for optimizing MSI
methods for analysis of FFPE tissue. Here, we present a novel modality,
atmospheric-pressure infrared laser-ablation plasma postionization
(AP-IR-LA-PPI), with the first proof-of-concept examples of MSI for
FFPE and fresh-frozen tissues, with no post-sectioning sample preparation.
We present ion images from FFPE and fresh tissues in positive and
negative ion modes. Molecular annotations (via the Metaspace annotation
engine) and on-tissue MS/MS provide additional confidence that the
detected ions arise from a broad range of metabolite and lipid classes
from both FFPE and fresh-frozen tissues.
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Affiliation(s)
- Rory T Steven
- National Centre of Excellence in Mass Spectrometry Imaging, National Physical Laboratory, Teddington TW12 0WL, United Kingdom
| | - Marcel Niehaus
- National Centre of Excellence in Mass Spectrometry Imaging, National Physical Laboratory, Teddington TW12 0WL, United Kingdom
| | - Adam J Taylor
- National Centre of Excellence in Mass Spectrometry Imaging, National Physical Laboratory, Teddington TW12 0WL, United Kingdom
| | - Ammar Nasif
- National Centre of Excellence in Mass Spectrometry Imaging, National Physical Laboratory, Teddington TW12 0WL, United Kingdom
| | - Efstathios Elia
- National Centre of Excellence in Mass Spectrometry Imaging, National Physical Laboratory, Teddington TW12 0WL, United Kingdom
| | - Richard J A Goodwin
- Imaging and Data Analytics, Clinical Pharmacology and Safety Sciences, BioPharmaceuticals R&D, AstraZeneca, Cambridge CB2 0WG, United Kingdom.,Institute of Infection, Immunity and Inflammation, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow G12 8TA, United Kingdom
| | - Zoltan Takats
- Faculty of Medicine, Department of Metabolism, Digestion and Reproduction, Imperial College London, South Kensington Campus, London SW7 2AZ, United Kingdom.,Biological Mass Spectrometry, Rosalind Franklin Institute, Harwell Campus, Didcot OX11 0QS, United Kingdom
| | - Josephine Bunch
- National Centre of Excellence in Mass Spectrometry Imaging, National Physical Laboratory, Teddington TW12 0WL, United Kingdom.,Faculty of Medicine, Department of Metabolism, Digestion and Reproduction, Imperial College London, South Kensington Campus, London SW7 2AZ, United Kingdom.,Biological Mass Spectrometry, Rosalind Franklin Institute, Harwell Campus, Didcot OX11 0QS, United Kingdom
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10
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Spruill ML, Maletic-Savatic M, Martin H, Li F, Liu X. Spatial analysis of drug absorption, distribution, metabolism, and toxicology using mass spectrometry imaging. Biochem Pharmacol 2022; 201:115080. [PMID: 35561842 PMCID: PMC9744413 DOI: 10.1016/j.bcp.2022.115080] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2022] [Revised: 05/03/2022] [Accepted: 05/04/2022] [Indexed: 12/14/2022]
Abstract
Mass spectrometry imaging (MSI) is emerging as a powerful analytical tool for detection, quantification, and simultaneous spatial molecular imaging of endogenous and exogenous molecules via in situ mass spectrometry analysis of thin tissue sections without the requirement of chemical labeling. The MSI generates chemically specific and spatially resolved ion distribution information for administered drugs and metabolites, which allows numerous applications for studies involving various stages of drug absorption, distribution, metabolism, excretion, and toxicity (ADMET). MSI-based pharmacokinetic imaging analysis provides a histological context and cellular environment regarding dynamic drug distribution and metabolism processes, and facilitates the understanding of the spatial pharmacokinetics and pharmacodynamic properties of drugs. Herein, we discuss the MSI's current technological developments that offer qualitative, quantitative, and spatial location information of small molecule drugs, antibody, and oligonucleotides macromolecule drugs, and their metabolites in preclinical and clinical tissue specimens. We highlight the macro and micro drug-distribution in the whole-body, brain, lung, liver, kidney, stomach, intestine tissue sections, organoids, and the latest applications of MSI in pharmaceutical ADMET studies.
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Affiliation(s)
- Michelle L Spruill
- Department of Pharmacological and Pharmaceutical Sciences, College of Pharmacy, University of Houston, Houston, TX 77204, USA
| | - Mirjana Maletic-Savatic
- Department of Pediatrics, Baylor College of Medicine, Jan and Dan Duncan Neurological Research Institute, Texas Children's Hospital, Houston, TX 77030, USA
| | | | - Feng Li
- Center for Drug Discovery and Department of Pathology & Immunology, Baylor College of Medicine, Houston, TX 77030, USA; NMR and Drug Metabolism Core, Advanced Technology Cores, Baylor College of Medicine, Houston, TX 77030, USA.
| | - Xinli Liu
- Department of Pharmacological and Pharmaceutical Sciences, College of Pharmacy, University of Houston, Houston, TX 77204, USA.
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11
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Detection and characterization of simvastatin and its metabolites in rat tissues and biological fluids using MALDI high resolution mass spectrometry approach. Sci Rep 2022; 12:4757. [PMID: 35306510 PMCID: PMC8934354 DOI: 10.1038/s41598-022-08804-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2021] [Accepted: 03/07/2022] [Indexed: 11/12/2022] Open
Abstract
Simvastatin (SV) is a hypolipidemic agent, and it is the 2nd most widely prescribed lipid-lowering drug. Here, the detection and characterization of SV and its metabolites was studied in selected organs/tissues (lung, liver, brain, heart and kidney) and biological samples (blood, urine and feces) of rats. MALDI Orbitrap MS was used as a high-resolution mass analyzer. 2,5-Dihydroxybenzoic acid (DHB) and 1,5-diaminonaphthalene (DAN) were used as matrices. Several sample loading methods onto the MALDI plate were attempted and dried droplet method was found to be superior. Two different cell disruption methods, pulverization and homogenization, were also evaluated for the optimum sensitivity in MALDI. Pulverization allowed the detection of more metabolites in all organs except the liver, where homogenization led to the detection of more metabolites. Altogether, 13 metabolites were detected, and one metabolite tentatively identified as a reduced product is being reported for the first time. SV and its metabolites were distributed to all the tissues studied except the brain. Overall, the results implied that the pulverized samples were more uniform and larger in surface area, resulting in their more efficient and complete extraction during sample preparation. As shown in the present study, MALDI Orbitrap MS is a useful tool to study drug and metabolite detection and characterization.
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12
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Dannhorn A, Kazanc E, Hamm G, Swales JG, Strittmatter N, Maglennon G, Goodwin RJA, Takats Z. Correlating Mass Spectrometry Imaging and Liquid Chromatography-Tandem Mass Spectrometry for Tissue-Based Pharmacokinetic Studies. Metabolites 2022; 12:metabo12030261. [PMID: 35323705 PMCID: PMC8954739 DOI: 10.3390/metabo12030261] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2022] [Revised: 03/08/2022] [Accepted: 03/11/2022] [Indexed: 01/12/2023] Open
Abstract
Liquid chromatography-tandem mass spectrometry (LC-MS/MS) is a standard tool used for absolute quantification of drugs in pharmacokinetic (PK) studies. However, all spatial information is lost during the extraction and elucidation of a drugs biodistribution within the tissue is impossible. In the study presented here we used a sample embedding protocol optimized for mass spectrometry imaging (MSI) to prepare up to 15 rat intestine specimens at once. Desorption electrospray ionization (DESI) and matrix assisted laser desorption/ionization (MALDI) mass spectrometry imaging (MSI) were employed to determine the distributions and relative abundances of four benchmarking compounds in the intestinal segments. High resolution MALDI-MSI experiments performed at 10 µm spatial resolution allowed to determine the drug distribution in the different intestinal histological compartments to determine the absorbed and tissue bound fractions of the drugs. The low tissue bound drug fractions, which were determined to account for 56–66% of the total drug, highlight the importance to understand the spatial distribution of drugs within the histological compartments of a given tissue to rationalize concentration differences found in PK studies. The mean drug abundances of four benchmark compounds determined by MSI were correlated with the absolute drug concentrations. Linear regression resulted in coefficients of determination (R2) ranging from 0.532 to 0.926 for MALDI-MSI and R2 values ranging from 0.585 to 0.945 for DESI-MSI, validating a quantitative relation of the imaging data. The good correlation of the absolute tissue concentrations of the benchmark compounds and the MSI data provides a bases for relative quantification of compounds within and between tissues, without normalization to an isotopically labelled standard, provided that the compared tissues have inherently similar ion suppression effects.
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Affiliation(s)
- Andreas Dannhorn
- Department of Metabolism, Digestion and Reproduction, Imperial College London, London SW7 2AZ, UK; (A.D.); (E.K.)
- Imaging & Data Analytics, Clinical Pharmacology and Safety Sciences, R&D, AstraZeneca, Cambridge CB4 0WG, UK; (G.H.); (J.G.S.); (N.S.); (R.J.A.G.)
| | - Emine Kazanc
- Department of Metabolism, Digestion and Reproduction, Imperial College London, London SW7 2AZ, UK; (A.D.); (E.K.)
| | - Gregory Hamm
- Imaging & Data Analytics, Clinical Pharmacology and Safety Sciences, R&D, AstraZeneca, Cambridge CB4 0WG, UK; (G.H.); (J.G.S.); (N.S.); (R.J.A.G.)
| | - John G. Swales
- Imaging & Data Analytics, Clinical Pharmacology and Safety Sciences, R&D, AstraZeneca, Cambridge CB4 0WG, UK; (G.H.); (J.G.S.); (N.S.); (R.J.A.G.)
| | - Nicole Strittmatter
- Imaging & Data Analytics, Clinical Pharmacology and Safety Sciences, R&D, AstraZeneca, Cambridge CB4 0WG, UK; (G.H.); (J.G.S.); (N.S.); (R.J.A.G.)
| | - Gareth Maglennon
- Oncology Safety, Clinical Pharmacology and Safety Sciences, R&D, AstraZeneca, Cambridge CB4 0WG, UK;
| | - Richard J. A. Goodwin
- Imaging & Data Analytics, Clinical Pharmacology and Safety Sciences, R&D, AstraZeneca, Cambridge CB4 0WG, UK; (G.H.); (J.G.S.); (N.S.); (R.J.A.G.)
- Institute of Infection, Immunity and Inflammation, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow G12 8TA, UK
| | - Zoltan Takats
- Department of Metabolism, Digestion and Reproduction, Imperial College London, London SW7 2AZ, UK; (A.D.); (E.K.)
- Laboratoire PRISM, Inserm U1192, University of Lille, Villeneuve d’Ascq, 59655 Lille, France
- The Rosalind Franklin Institute, Harwell OX11 0QG, UK
- Correspondence:
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13
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Liu D, Huang J, Gao S, Jin H, He J. A temporo-spatial pharmacometabolomics method to characterize pharmacokinetics and pharmacodynamics in the brain microregions by using ambient mass spectrometry imaging. Acta Pharm Sin B 2022; 12:3341-3353. [PMID: 35967273 PMCID: PMC9366215 DOI: 10.1016/j.apsb.2022.03.018] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2022] [Revised: 03/10/2022] [Accepted: 03/20/2022] [Indexed: 11/01/2022] Open
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14
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Distribution visualization of the chlorinated disinfection byproduct of diazepam in zebrafish with desorption electrospray ionization mass spectrometry imaging. Talanta 2022; 237:122919. [PMID: 34736655 DOI: 10.1016/j.talanta.2021.122919] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2021] [Revised: 09/25/2021] [Accepted: 09/29/2021] [Indexed: 12/30/2022]
Abstract
Diazepam (DZP) was routinely prescribed to a large population troubled with anxiety disorders. However, due to the overuse and misuse, DZP and its chlorination disinfection byproduct 2-methylamino-5-chlorobenzophenone (MACB) caused environmental pollution and can be detected ubiquitously in drinking water in Beijing, China. However, little information is known about the metabolic dynamics of MACB. Here, we established desorption electrospray ionization mass spectrometry (DESI-MS) imaging method to visually and quantitatively assess the distribution and metabolism of MACB in zebrafish. The results showed that MACB specifically accumulated in spinal cord particularly in female zebrafish. Meanwhile, the accumulation of MACB could pass through the blood-brain barrier (BBB) and induced microglial phagocytosis of neurons. Therefore, the intervention strategies should be explored to restrict the release of such substances, eliminating the potential risks for both human beings and the eco-environment.
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15
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Mass spectrometry imaging in drug distribution and drug metabolism studies – Principles, applications and perspectives. Trends Analyt Chem 2022. [DOI: 10.1016/j.trac.2021.116482] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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16
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Recent Advances of Ambient Mass Spectrometry Imaging and Its Applications in Lipid and Metabolite Analysis. Metabolites 2021; 11:metabo11110780. [PMID: 34822438 PMCID: PMC8625079 DOI: 10.3390/metabo11110780] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2021] [Revised: 11/08/2021] [Accepted: 11/11/2021] [Indexed: 01/02/2023] Open
Abstract
Ambient mass spectrometry imaging (AMSI) has attracted much attention in recent years. As a kind of unlabeled molecular imaging technique, AMSI can enable in situ visualization of a large number of compounds in biological tissue sections in ambient conditions. In this review, the developments of various AMSI techniques are discussed according to one-step and two-step ionization strategies. In addition, recent applications of AMSI for lipid and metabolite analysis (from 2016 to 2021) in disease diagnosis, animal model research, plant science, drug metabolism and toxicology research, etc., are summarized. Finally, further perspectives of AMSI in spatial resolution, sensitivity, quantitative ability, convenience and software development are proposed.
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17
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Simon D, Oleschuk R. The liquid micro junction-surface sampling probe (LMJ-SSP); a versatile ambient mass spectrometry interface. Analyst 2021; 146:6365-6378. [PMID: 34553725 DOI: 10.1039/d1an00725d] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Ambient ionization methods have become important tools in mass spectrometry. The LMJ-SSP can significantly simplify/reduce lengthy sample preparation requirements associated with mass spectrometry analysis. Samples may be introduced through direct contact, insertion and droplet injection, enabling applications from drug discovery and surface analysis to tissue profiling and metabolic mapping. This review examines the underlying principles associated with the LMJ-SSP interface and highlights modifications of the original design that have extended its capability. We summarize different application areas that have exploited the method and describe potential future directions for the adaptable ambient ionization source.
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Affiliation(s)
- David Simon
- Department of Chemistry, Queen's University, Kingston, Ontario, K7L 3N6, Canada.
| | - Richard Oleschuk
- Department of Chemistry, Queen's University, Kingston, Ontario, K7L 3N6, Canada.
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18
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Xiao Y, Deng J, Fang L, Tu L, Luan T. Mapping the distribution of perfluoroalkyl substances in zebrafishes by liquid extraction surface analysis mass spectrometry. Talanta 2021; 231:122377. [PMID: 33965041 DOI: 10.1016/j.talanta.2021.122377] [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] [Received: 12/24/2020] [Revised: 03/24/2021] [Accepted: 03/27/2021] [Indexed: 10/21/2022]
Abstract
Investigation on the distribution of persistent organic pollutants (POPs) in aquatic organisms is of great importance for exploring the biological toxicity and health risks of environmental pollutants. In this study, a liquid extraction surface analysis mass spectrometry (LESA-MS) method was developed for rapid and in situ analysis of the spatial distribution of perfluoroalkyl substances (PFASs) in zebrafish. By combining the high-precision automated moving platform of LESA device and the high-resolution MS, quantitative analysis of perfluorooctanoic acid (PFOA) and perfluorooctanesulfonic acid (PFOS) in zebrafish tissue section were easily achieved. A tissue-specific ionization efficiency factor (TSF) strategy was also proposed to correct the matrix effect in different parts of zebrafish tissue. By using the developed method, high sensitive and efficient imaging of PFOA and PFOS in zebrafish tissue was achieved, and the distributions of PFOA and PFOS in descending order were gills, organs, roes, pelvic fin, muscle, and brain. The experimental results demonstrated that the coupling of LESA-MS method with TFS strategy is an efficient and reliable approach for monitoring the content distribution of environmental pollutants in biological tissues.
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Affiliation(s)
- Yipo Xiao
- State Key Laboratory of Biocontrol, South China Sea Bio-Resource Exploitation and Utilization Collaborative Innovation Center, School of Life Sciences, Sun Yat-Sen University, 135 Xingangxi Road, Guangzhou, 510275, China
| | - Jiewei Deng
- School of Biomedical and Pharmaceutical Sciences, Guangdong University of Technology, 100 Waihuanxi Road, Guangzhou, 510006, China.
| | - Ling Fang
- State Key Laboratory of Biocontrol, South China Sea Bio-Resource Exploitation and Utilization Collaborative Innovation Center, School of Life Sciences, Sun Yat-Sen University, 135 Xingangxi Road, Guangzhou, 510275, China
| | - Lanyin Tu
- State Key Laboratory of Biocontrol, South China Sea Bio-Resource Exploitation and Utilization Collaborative Innovation Center, School of Life Sciences, Sun Yat-Sen University, 135 Xingangxi Road, Guangzhou, 510275, China
| | - Tiangang Luan
- State Key Laboratory of Biocontrol, South China Sea Bio-Resource Exploitation and Utilization Collaborative Innovation Center, School of Life Sciences, Sun Yat-Sen University, 135 Xingangxi Road, Guangzhou, 510275, China; Institute of Environmental and Ecological Engineering, Guangdong University of Technology, 100 Waihuanxi Road, Guangzhou, 510006, China.
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19
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Wang N, Dartois V, Carter CL. An optimized method for the detection and spatial distribution of aminoglycoside and vancomycin antibiotics in tissue sections by mass spectrometry imaging. JOURNAL OF MASS SPECTROMETRY : JMS 2021; 56:e4708. [PMID: 33586279 PMCID: PMC8032321 DOI: 10.1002/jms.4708] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/03/2020] [Revised: 01/20/2021] [Accepted: 01/26/2021] [Indexed: 05/08/2023]
Abstract
Suboptimal antibiotic dosing has been identified as one of the key drivers in the development of multidrug-resistant (MDR) bacteria that have become a global health concern. Aminoglycosides and vancomycin are broad-spectrum antibiotics used to treat critically ill patients infected by a variety of MDR bacterial species. Resistance to these antibiotics is becoming more prevalent. In order to design proper antibiotic regimens that maximize efficacy and minimize the development of resistance, it is pivotal to obtain the in situ pharmacokinetic-pharmacodynamic profiles at the sites of infection. Mass spectrometry imaging (MSI) is the ideal technique to achieve this. Aminoglycosides, due to their structure, suffer from poor ionization efficiency. Additionally, ion suppression effects by endogenous molecules greatly inhibit the detection of aminoglycosides and vancomycin at therapeutic levels. In the current study, an optimized method was developed that enabled the detection of these antibiotics by MSI. Tissue spotting experiments demonstrated a 5-, 15-, 35-, and 54-fold increase in detection sensitivity in the washed samples for kanamycin, amikacin, streptomycin, and vancomycin, respectively. Tissue mimetic models were utilized to optimize the washing time and matrix additive concentration. These studies determined the improved limit of detection was 40 to 5 μg/g of tissue for vancomycin and streptomycin, and 40 to 10 μg/g of tissue for kanamycin and amikacin. The optimized protocol was applied to lung sections from mice dosed with therapeutic levels of kanamycin and vancomycin. The washing protocol enabled the first drug distribution investigations of aminoglycosides and vancomycin by MSI, paving the way for site-of-disease antibiotic penetration studies.
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Affiliation(s)
- Ning Wang
- Center for Discovery and Innovation, Hackensack Meridian Health, Nutley, New Jersey, USA
| | - Véronique Dartois
- Center for Discovery and Innovation, Hackensack Meridian Health, Nutley, New Jersey, USA
- Department of Medical Sciences, Hackensack School of Medicine, Nutley, New Jersey, USA
| | - Claire L. Carter
- Center for Discovery and Innovation, Hackensack Meridian Health, Nutley, New Jersey, USA
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20
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Hale OJ, Cooper HJ. Native Mass Spectrometry Imaging and In Situ Top-Down Identification of Intact Proteins Directly from Tissue. JOURNAL OF THE AMERICAN SOCIETY FOR MASS SPECTROMETRY 2020; 31:2531-2537. [PMID: 32822168 DOI: 10.1021/jasms.0c00226] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Mass spectrometry imaging (MSI) provides information on the spatial distribution of molecules within a biological substrate without the requirement for labeling. Its broad specificity, i.e., the capability to spatially profile any analyte ion detected, constitutes a major advantage over other imaging techniques. A separate branch of mass spectrometry, native mass spectrometry, provides information relating to protein structure through retention of solution-phase interactions in the gas phase. Integration of MSI and native mass spectrometry ("native MSI") affords opportunities for simultaneous acquisition of spatial and structural information on proteins directly from their physiological environment. Here, we demonstrate significant improvements in native MSI and associated protein identification of intact proteins and protein assemblies in thin sections of rat kidney by use of liquid extraction surface analysis on a state-of-the-art Orbitrap mass spectrometer optimized for intact protein analysis. Proteins of up to 47 kDa, including a trimeric protein complex, were imaged and identified.
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Affiliation(s)
- Oliver J Hale
- School of Biosciences, University of Birmingham, Edgbaston B15 2TT, U.K
| | - Helen J Cooper
- School of Biosciences, University of Birmingham, Edgbaston B15 2TT, U.K
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21
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Spencer CE, Flint LE, Duckett CJ, Cole LM, Cross N, Smith DP, Clench MR. Role of MALDI-MSI in combination with 3D tissue models for early stage efficacy and safety testing of drugs and toxicants. Expert Rev Proteomics 2020; 17:827-841. [PMID: 33440126 PMCID: PMC8396712 DOI: 10.1080/14789450.2021.1876568] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2020] [Accepted: 01/12/2021] [Indexed: 12/13/2022]
Abstract
Introduction: Three-dimensional (3D) cell cultures have become increasingly important materials to investigate biological processes and drug efficacy and toxicity. The ability of 3D cultures to mimic the physiology of primary tissues and organs in the human body enables further insight into cellular behavior and is hence highly desirable in early-stage drug development. Analyzing the spatial distribution of drug compounds and endogenous molecules provides an insight into the efficacy of a drug whilst simultaneously giving information on biological responses. Areas Covered: In this review we will examine the main 3D cell culture systems employed and applications, which describe their integration with mass spectrometry imaging (MSI). Expert Opinion: MSI is a powerful technique that can map a vast range of molecules simultaneously in tissues without the addition of labels that can provide insights into the efficacy and safety of a new drug. The combination of MSI and 3D cell cultures has emerged as a promising tool in early-stage drug analysis. However, the most common administration route for pharmaceutical drugs is via oral delivery. The use of MSI in combination with models of the GI tract is an area that has been little explored to date, the reasons for this are discussed.
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Affiliation(s)
- Chloe E Spencer
- Centre for Mass Spectrometry Imaging, Biomolecular Sciences Research Centre, Sheffield Hallam University, Sheffield, UK
| | - Lucy E Flint
- Centre for Mass Spectrometry Imaging, Biomolecular Sciences Research Centre, Sheffield Hallam University, Sheffield, UK
| | - Catherine J Duckett
- Centre for Mass Spectrometry Imaging, Biomolecular Sciences Research Centre, Sheffield Hallam University, Sheffield, UK
| | - Laura M Cole
- Centre for Mass Spectrometry Imaging, Biomolecular Sciences Research Centre, Sheffield Hallam University, Sheffield, UK
| | - Neil Cross
- Centre for Mass Spectrometry Imaging, Biomolecular Sciences Research Centre, Sheffield Hallam University, Sheffield, UK
| | - David P Smith
- Centre for Mass Spectrometry Imaging, Biomolecular Sciences Research Centre, Sheffield Hallam University, Sheffield, UK
| | - Malcolm R Clench
- Centre for Mass Spectrometry Imaging, Biomolecular Sciences Research Centre, Sheffield Hallam University, Sheffield, UK
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22
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Dannhorn A, Kazanc E, Ling S, Nikula C, Karali E, Serra MP, Vorng JL, Inglese P, Maglennon G, Hamm G, Swales J, Strittmatter N, Barry ST, Sansom OJ, Poulogiannis G, Bunch J, Goodwin RJ, Takats Z. Universal Sample Preparation Unlocking Multimodal Molecular Tissue Imaging. Anal Chem 2020; 92:11080-11088. [PMID: 32519547 DOI: 10.1021/acs.analchem.0c00826] [Citation(s) in RCA: 48] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
A new tissue sample embedding and processing method is presented that provides downstream compatibility with numerous different histological, molecular biology, and analytical techniques. The methodology is based on the low temperature embedding of fresh frozen specimens into a hydrogel matrix composed of hydroxypropyl methylcellulose (HPMC) and polyvinylpyrrolidone (PVP) and sectioning using a cryomicrotome. The hydrogel was expected not to interfere with standard tissue characterization methods, histologically or analytically. We assessed the compatibility of this protocol with various mass spectrometric imaging methods including matrix-assisted laser desorption ionization (MALDI), desorption electrospray ionization (DESI) and secondary ion mass spectrometry (SIMS). We also demonstrated the suitability of the universal protocol for extraction based molecular biology techniques such as rt-PCR. The integration of multiple analytical modalities through this universal sample preparation protocol offers the ability to study tissues at a systems biology level and directly linking results to tissue morphology and cellular phenotype.
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Affiliation(s)
- Andreas Dannhorn
- Department of Digestion, Metabolism and Reproduction, Sir Alexander Fleming Building, Imperial College London, London SW7 2AZ, U.K
- Imaging and Data analytics, Clinical Pharmacology and Safety Sciences (CPSS), AstraZeneca, Cambridge, U.K
| | - Emine Kazanc
- Department of Digestion, Metabolism and Reproduction, Sir Alexander Fleming Building, Imperial College London, London SW7 2AZ, U.K
| | - Stephanie Ling
- Imaging and Data analytics, Clinical Pharmacology and Safety Sciences (CPSS), AstraZeneca, Cambridge, U.K
| | - Chelsea Nikula
- National Centre of Excellence in Mass Spectrometry Imaging (NiCE-MSI), National Physical Laboratory, Teddington TW11 0LW, U.K
| | - Evdoxia Karali
- The Institute for Cancer Research (ICR), London SW7 3RP, U.K
| | - Maria Paola Serra
- Imaging and Data analytics, Clinical Pharmacology and Safety Sciences (CPSS), AstraZeneca, Cambridge, U.K
| | - Jean-Luc Vorng
- National Centre of Excellence in Mass Spectrometry Imaging (NiCE-MSI), National Physical Laboratory, Teddington TW11 0LW, U.K
| | - Paolo Inglese
- Department of Digestion, Metabolism and Reproduction, Sir Alexander Fleming Building, Imperial College London, London SW7 2AZ, U.K
| | - Gareth Maglennon
- Oncology Safety, Clinical Pharmacology and Safety Sciences (CPSS), AstraZeneca, Cambridge, U.K
| | - Gregory Hamm
- Imaging and Data analytics, Clinical Pharmacology and Safety Sciences (CPSS), AstraZeneca, Cambridge, U.K
| | - John Swales
- Imaging and Data analytics, Clinical Pharmacology and Safety Sciences (CPSS), AstraZeneca, Cambridge, U.K
| | - Nicole Strittmatter
- Imaging and Data analytics, Clinical Pharmacology and Safety Sciences (CPSS), AstraZeneca, Cambridge, U.K
| | - Simon T Barry
- Bioscience, Discovery, Oncology R&D, AstraZeneca, Cambridge, United Kingdom
| | - Owen J Sansom
- Cancer Research UK Beatson Institute, Glasgow, G61 1BD, United Kingdom
| | | | - Josephine Bunch
- National Centre of Excellence in Mass Spectrometry Imaging (NiCE-MSI), National Physical Laboratory, Teddington TW11 0LW, U.K
| | - Richard Ja Goodwin
- Imaging and Data analytics, Clinical Pharmacology and Safety Sciences (CPSS), AstraZeneca, Cambridge, U.K
| | - Zoltan Takats
- Department of Digestion, Metabolism and Reproduction, Sir Alexander Fleming Building, Imperial College London, London SW7 2AZ, U.K
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23
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Goodwin RJA, Takats Z, Bunch J. A Critical and Concise Review of Mass Spectrometry Applied to Imaging in Drug Discovery. SLAS DISCOVERY 2020; 25:963-976. [PMID: 32713279 DOI: 10.1177/2472555220941843] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
During the past decade, mass spectrometry imaging (MSI) has become a robust and versatile methodology to support modern pharmaceutical research and development. The technologies provide data on the biodistribution, metabolism, and delivery of drugs in tissues, while also providing molecular maps of endogenous metabolites, lipids, and proteins. This allows researchers to make both pharmacokinetic and pharmacodynamic measurements at cellular resolution in tissue sections or clinical biopsies. Despite drug imaging within samples now playing a vital role within research and development (R&D) in leading pharmaceutical companies, however, the challenges in turning compounds into medicines continue to evolve as rapidly as the technologies used to discover them. The increasing cost of development of new and emerging therapeutic modalities, along with the associated risks of late-stage program attrition, means there is still an unmet need in our ability to address an increasing array of challenging bioanalytical questions within drug discovery. We require new capabilities and strategies of integrated imaging to provide context for fundamental disease-related biological questions that can also offer insights into specific project challenges. Integrated molecular imaging and advanced image analysis have the opportunity to provide a world-class capability that can be deployed on projects in which we cannot answer the question with our battery of established assays. Therefore, here we will provide an updated concise review of the use of MSI for drug discovery; we will also critically consider what is required to embed MSI into a wider evolving R&D landscape and allow long-lasting impact in the industry.
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Affiliation(s)
- Richard J A Goodwin
- Clinical Pharmacology and Safety Sciences, BioPharmaceuticals R&D, AstraZeneca, Cambridge, UK.,Institute of Infection, Immunity, and Inflammation, College of Medical, Veterinary, and Life Sciences, University of Glasgow, UK
| | - Zoltan Takats
- Department of Surgery and Cancer, Faculty of Medicine, Imperial College, London, UK.,The Rosalind Franklin Institute, Oxfordshire, UK
| | - Josephine Bunch
- Department of Surgery and Cancer, Faculty of Medicine, Imperial College, London, UK.,The Rosalind Franklin Institute, Oxfordshire, UK.,National Physical Laboratory, Teddington, London, UK
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24
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Recent advances of ambient mass spectrometry imaging for biological tissues: A review. Anal Chim Acta 2020; 1117:74-88. [DOI: 10.1016/j.aca.2020.01.052] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2019] [Revised: 01/21/2020] [Accepted: 01/22/2020] [Indexed: 12/30/2022]
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25
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Nguyen SN, Kyle JE, Dautel SE, Sontag R, Luders T, Corley R, Ansong C, Carson J, Laskin J. Lipid Coverage in Nanospray Desorption Electrospray Ionization Mass Spectrometry Imaging of Mouse Lung Tissues. Anal Chem 2019; 91:11629-11635. [PMID: 31412198 DOI: 10.1021/acs.analchem.9b02045] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Lipids are a naturally occurring group of molecules that not only contribute to the structural integrity of the lung preventing alveolar collapse but also play important roles in the anti-inflammatory responses and antiviral protection. Alteration in the type and spatial localization of lipids in the lung plays a crucial role in various diseases, such as respiratory distress syndrome (RDS) in preterm infants and oxidative stress-influenced diseases, such as pneumonia, emphysema, and lung cancer following exposure to environmental stressors. The ability to accurately measure spatial distributions of lipids and metabolites in lung tissues provides important molecular insights related to lung function, development, and disease states. Nanospray desorption electrospray ionization (nano-DESI) and other ambient ionization mass spectrometry techniques enable label-free imaging of complex samples in their native state with minimal to absolutely no sample preparation. However, lipid coverage obtained in nano-DESI mass spectrometry imaging (MSI) experiments has not been previously characterized. In this work, the depth of lipid coverage in nano-DESI MSI of mouse lung tissues was compared to liquid chromatography tandem mass spectrometry (LC-MS/MS) lipidomics analysis of tissue extracts prepared using two different procedures: standard Folch extraction method of the whole lung samples and extraction into a 90% methanol/10% water mixture used in nano-DESI MSI experiments. A combination of positive and negative ionization mode nano-DESI MSI identified 265 unique lipids across 20 lipids subclasses and 19 metabolites (284 in total) in mouse lung tissues. Except for triacylglycerols (TG) species, nano-DESI MSI provided comparable coverage to LC-MS/MS experiments performed using methanol/water tissue extracts and up to 50% coverage in comparison with the Folch extraction-based whole lung lipidomics analysis. These results demonstrate the utility of nano-DESI MSI for comprehensive spatially resolved analysis of lipids in tissue sections. A combination of nano-DESI MSI and LC-MS/MS lipidomics is particularly useful for exploring changes in lipid distributions during lung development, as well as resulting from disease or exposure to environmental toxicants.
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Affiliation(s)
- Son N Nguyen
- Physical Sciences Division , Pacific Northwest National Laboratory , Richland , Washington 99352 , United States.,Faculty of Chemistry , VNU-University of Science , Hanoi 10000 , Vietnam
| | - Jennifer E Kyle
- Biological Sciences Division , Pacific Northwest National Laboratory , Richland , Washington 99352 , United States
| | - Sydney E Dautel
- Biological Sciences Division , Pacific Northwest National Laboratory , Richland , Washington 99352 , United States
| | - Ryan Sontag
- Biological Sciences Division , Pacific Northwest National Laboratory , Richland , Washington 99352 , United States
| | - Teresa Luders
- Biological Sciences Division , Pacific Northwest National Laboratory , Richland , Washington 99352 , United States
| | - Richard Corley
- Biological Sciences Division , Pacific Northwest National Laboratory , Richland , Washington 99352 , United States
| | - Charles Ansong
- Biological Sciences Division , Pacific Northwest National Laboratory , Richland , Washington 99352 , United States
| | - James Carson
- Texas Advanced Computing Center , University of Texas at Austin , Austin , Texas 78758 , United States
| | - Julia Laskin
- Physical Sciences Division , Pacific Northwest National Laboratory , Richland , Washington 99352 , United States.,Department of Chemistry , Purdue University , West Lafayette , Indiana 47907 , United States
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26
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Hamm GR, Bäckström E, Brülls M, Nilsson A, Strittmatter N, Andrén PE, Grime K, Fridén M, Goodwin RJA. Revealing the Regional Localization and Differential Lung Retention of Inhaled Compounds by Mass Spectrometry Imaging. J Aerosol Med Pulm Drug Deliv 2019; 33:43-53. [PMID: 31364961 DOI: 10.1089/jamp.2019.1536] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023] Open
Abstract
Background: For the treatment of respiratory disease, inhaled drug delivery aims to provide direct access to pharmacological target sites while minimizing systemic exposure. Despite this long-held tenet of inhaled therapeutic advantage, there are limited data of regional drug localization in the lungs after inhalation. The aim of this study was to investigate the distribution and retention of different chemotypes typifying available inhaled drugs [slowly dissolving neutral fluticasone propionate (FP) and soluble bases salmeterol and salbutamol] using mass spectrometry imaging (MSI). Methods: Salmeterol, salbutamol, and FP were simultaneously delivered by inhaled nebulization to rats. In the same animals, salmeterol-d3, salbutamol-d3, and FP-d3 were delivered by intravenous (IV) injection. Samples of lung tissue were obtained at 2- and 30-minute postdosing, and high-resolution MSI was used to study drug distribution and retention. Results: IV delivery resulted in homogeneous lung distribution for all molecules. In comparison, while inhalation also gave rise to drug presence in the entire lung, there were regional chemotype-dependent areas of higher abundance. At the 30-minute time point, inhaled salmeterol and salbutamol were preferentially retained in bronchiolar tissue, whereas FP was retained in all regions of the lungs. Conclusion: This study clearly demonstrates that inhaled small molecule chemotypes are differentially distributed in lung tissue after inhalation, and that high-resolution MSI can be applied to study these retention patterns.
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Affiliation(s)
- Gregory R Hamm
- Pathology Sciences, Clinical Pharmacology and Safety Sciences, BioPharmaceuticals R&D, AstraZeneca, Cambridge, United Kingdom
| | - Erica Bäckström
- Drug Metabolism and Pharmacokinetics, Research and Early Development, Respiratory, Inflammation and Autoimmune, BioPharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden
| | - Mikael Brülls
- Early Product Development, Pharmaceutical Sciences, BioPharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden
| | - Anna Nilsson
- Medical Mass Spectrometry Imaging, National Resource for MSI, Science for Life Laboratory, Department of Pharmaceutical Biosciences, Uppsala University, Uppsala, Sweden
| | - Nicole Strittmatter
- Pathology Sciences, Clinical Pharmacology and Safety Sciences, BioPharmaceuticals R&D, AstraZeneca, Cambridge, United Kingdom
| | - Per E Andrén
- Medical Mass Spectrometry Imaging, National Resource for MSI, Science for Life Laboratory, Department of Pharmaceutical Biosciences, Uppsala University, Uppsala, Sweden
| | - Ken Grime
- Drug Metabolism and Pharmacokinetics, Research and Early Development, Respiratory, Inflammation and Autoimmune, BioPharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden
| | - Markus Fridén
- Drug Metabolism and Pharmacokinetics, Research and Early Development, Respiratory, Inflammation and Autoimmune, BioPharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden.,Translational PKPD Group, Department of Pharmaceutical Biosciences, Uppsala University, Uppsala, Sweden
| | - Richard J A Goodwin
- Pathology Sciences, Clinical Pharmacology and Safety Sciences, BioPharmaceuticals R&D, AstraZeneca, Cambridge, United Kingdom
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27
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Precision pharmacology: Mass spectrometry imaging and pharmacokinetic drug resistance. Crit Rev Oncol Hematol 2019; 141:153-162. [PMID: 31302407 DOI: 10.1016/j.critrevonc.2019.06.008] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2018] [Revised: 06/08/2019] [Accepted: 06/13/2019] [Indexed: 12/27/2022] Open
Abstract
Failure of systemic cancer treatment can be, at least in part, due to the drug not being delivered to the tumour at sufficiently high concentration and/or sufficiently homogeneous distribution; this is termed as "pharmacokinetic drug resistance". To understand whether a drug is being adequately delivered to the tumour, "precision pharmacology" techniques are needed. Mass spectrometry imaging (MSI) is a relatively new and complex technique that allows imaging of drug distribution within tissues. In this review we address the applicability of MSI to the study of cancer drug distribution from the bench to the bedside. We address: (i) the role of MSI in pre-clinical studies to characterize anti-cancer drug distribution within the body and the tumour, (ii) the application of MSI in pre-clinical studies to define optimal drug dose or schedule, combinations or new drug delivery systems, and finally (iii) the emerging role of MSI in clinical research.
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28
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Han J, Permentier H, Bischoff R, Groothuis G, Casini A, Horvatovich P. Imaging of protein distribution in tissues using mass spectrometry: An interdisciplinary challenge. Trends Analyt Chem 2019. [DOI: 10.1016/j.trac.2018.12.016] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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29
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Wang X, Hou Y, Hou Z, Xiong W, Huang G. Mass Spectrometry Imaging of Brain Cholesterol and Metabolites with Trifluoroacetic Acid-Enhanced Desorption Electrospray Ionization. Anal Chem 2019; 91:2719-2726. [PMID: 30645089 DOI: 10.1021/acs.analchem.8b04395] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Imaging of cholesterol and other metabolites simultaneously by ambient mass spectrometry will greatly benefit biological studies, however, it still remains challenging. Herein, by adding acid into the desorption electrospray ionization (DESI) spray solvent, we achieved simultaneous mass spectrometry imaging of cholesterol and other metabolites directly from mouse brain sections. The introduction of acid increased the signal intensity of cholesterol in mouse brain tissues by approximately 21-fold. Additionally, the present strategy provided increased signal intensities for other metabolites up to 62-fold, as well as identification of seven more metabolites (23 vs 16 for acid-enhanced DESI vs DESI). Moreover, increased corelationships for alanine as well as putrescine and spermidine with cholesterol were discovered under acid-enhanced DESI. The potential of the present strategy in the fields of biological and medical research was demonstrated by investigating the level change for cholesterol, alanine, putrescine, and spermidine in Alzheimer's disease (AD) mouse brain.
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Affiliation(s)
| | | | | | - Wei Xiong
- Center for Excellence in Brain Science and Intelligence Technology , Chinese Academy of Sciences , Shanghai 200031 , People's Republic of China
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30
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Lamont L, Eijkel GB, Jones EA, Flinders B, Ellis SR, Porta Siegel T, Heeren RMA, Vreeken RJ. Targeted Drug and Metabolite Imaging: Desorption Electrospray Ionization Combined with Triple Quadrupole Mass Spectrometry. Anal Chem 2018. [PMID: 30346139 DOI: 10.1021/acs.analchem.8b03857(2018)] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/15/2023]
Abstract
Mass spectrometry imaging (MSI) has proven to be a valuable tool for drug and metabolite imaging in pharmaceutical toxicology studies and can reveal, for example, accumulation of drug candidates in early drug development. However, the lack of sample cleanup and chromatographic separation can hamper the analysis due to isobaric interferences. Multiple reaction monitoring (MRM) uses unique precursor ion-product ion transitions to add specificity which leads to higher selectivity. Here, we present a targeted imaging platform where desorption electrospray ionization is combined with a triple quadrupole (QqQ) system to perform MRM imaging. The platform was applied to visualize (i) lipids in mouse brain tissue sections and (ii) a drug candidate and metabolite in canine liver tissue. All QqQ modes were investigated to show the increased detection time provided by MRM as well as the possibility to perform dual polarity imaging. This is very beneficial for lipid imaging because some phospholipid classes ionize in opposite polarity (e.g., phosphatidylcholine/sphingomyelin in positive ion mode and phosphatidylserine/phosphatidylethanolamine in negative ion mode). Drug and metabolite images were obtained to show its strength in drug distribution studies. Multiple MRM transitions were used to confirm the local presence and selective detection of pharmaceutical compounds.
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Affiliation(s)
- Lieke Lamont
- Maastricht Multimodal Molecular Imaging (M4I) Institute, Division of Imaging Mass Spectrometry , Maastricht University , 6229 ER Maastricht , The Netherlands
| | - Gert B Eijkel
- Maastricht Multimodal Molecular Imaging (M4I) Institute, Division of Imaging Mass Spectrometry , Maastricht University , 6229 ER Maastricht , The Netherlands
| | | | - Bryn Flinders
- Maastricht Multimodal Molecular Imaging (M4I) Institute, Division of Imaging Mass Spectrometry , Maastricht University , 6229 ER Maastricht , The Netherlands
| | - Shane R Ellis
- Maastricht Multimodal Molecular Imaging (M4I) Institute, Division of Imaging Mass Spectrometry , Maastricht University , 6229 ER Maastricht , The Netherlands
| | - Tiffany Porta Siegel
- Maastricht Multimodal Molecular Imaging (M4I) Institute, Division of Imaging Mass Spectrometry , Maastricht University , 6229 ER Maastricht , The Netherlands
| | - Ron M A Heeren
- Maastricht Multimodal Molecular Imaging (M4I) Institute, Division of Imaging Mass Spectrometry , Maastricht University , 6229 ER Maastricht , The Netherlands
| | - Rob J Vreeken
- Maastricht Multimodal Molecular Imaging (M4I) Institute, Division of Imaging Mass Spectrometry , Maastricht University , 6229 ER Maastricht , The Netherlands
- Janssen Research & Development , B-2340 Beerse , Belgium
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31
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Lamont L, Eijkel GB, Jones EA, Flinders B, Ellis SR, Porta Siegel T, Heeren RMA, Vreeken RJ. Targeted Drug and Metabolite Imaging: Desorption Electrospray Ionization Combined with Triple Quadrupole Mass Spectrometry. Anal Chem 2018; 90:13229-13235. [PMID: 30346139 PMCID: PMC6256344 DOI: 10.1021/acs.analchem.8b03857] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
![]()
Mass
spectrometry imaging (MSI) has proven to be a valuable tool
for drug and metabolite imaging in pharmaceutical toxicology studies
and can reveal, for example, accumulation of drug candidates in early
drug development. However, the lack of sample cleanup and chromatographic
separation can hamper the analysis due to isobaric interferences.
Multiple reaction monitoring (MRM) uses unique precursor ion-product
ion transitions to add specificity which leads to higher selectivity.
Here, we present a targeted imaging platform where desorption electrospray
ionization is combined with a triple quadrupole (QqQ) system to perform
MRM imaging. The platform was applied to visualize (i) lipids in mouse
brain tissue sections and (ii) a drug candidate and metabolite in
canine liver tissue. All QqQ modes were investigated to show the increased
detection time provided by MRM as well as the possibility to perform
dual polarity imaging. This is very beneficial for lipid imaging because
some phospholipid classes ionize in opposite polarity (e.g., phosphatidylcholine/sphingomyelin
in positive ion mode and phosphatidylserine/phosphatidylethanolamine
in negative ion mode). Drug and metabolite images were obtained to
show its strength in drug distribution studies. Multiple MRM transitions
were used to confirm the local presence and selective detection of
pharmaceutical compounds.
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Affiliation(s)
- Lieke Lamont
- Maastricht Multimodal Molecular Imaging (M4I) Institute, Division of Imaging Mass Spectrometry , Maastricht University , 6229 ER Maastricht , The Netherlands
| | - Gert B Eijkel
- Maastricht Multimodal Molecular Imaging (M4I) Institute, Division of Imaging Mass Spectrometry , Maastricht University , 6229 ER Maastricht , The Netherlands
| | | | - Bryn Flinders
- Maastricht Multimodal Molecular Imaging (M4I) Institute, Division of Imaging Mass Spectrometry , Maastricht University , 6229 ER Maastricht , The Netherlands
| | - Shane R Ellis
- Maastricht Multimodal Molecular Imaging (M4I) Institute, Division of Imaging Mass Spectrometry , Maastricht University , 6229 ER Maastricht , The Netherlands
| | - Tiffany Porta Siegel
- Maastricht Multimodal Molecular Imaging (M4I) Institute, Division of Imaging Mass Spectrometry , Maastricht University , 6229 ER Maastricht , The Netherlands
| | - Ron M A Heeren
- Maastricht Multimodal Molecular Imaging (M4I) Institute, Division of Imaging Mass Spectrometry , Maastricht University , 6229 ER Maastricht , The Netherlands
| | - Rob J Vreeken
- Maastricht Multimodal Molecular Imaging (M4I) Institute, Division of Imaging Mass Spectrometry , Maastricht University , 6229 ER Maastricht , The Netherlands.,Janssen Research & Development , B-2340 Beerse , Belgium
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32
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Lopez-Clavijo AF, Griffiths RL, Goodwin RJA, Cooper HJ. Liquid Extraction Surface Analysis (LESA) Electron-Induced Dissociation and Collision-Induced Dissociation Mass Spectrometry of Small Molecule Drug Compounds. JOURNAL OF THE AMERICAN SOCIETY FOR MASS SPECTROMETRY 2018; 29:2218-2226. [PMID: 30151679 DOI: 10.1007/s13361-018-2042-7] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/25/2018] [Revised: 07/26/2018] [Accepted: 07/27/2018] [Indexed: 06/08/2023]
Abstract
Here, we present liquid extraction surface analysis (LESA) coupled with electron-induced dissociation (EID) mass spectrometry in a Fourier-transform ion cyclotron resonance mass spectrometer for the analysis of small organic pharmaceutical compounds directly from dosed tissue. First, the direct infusion electrospray ionisation EID and collision-induced dissociation (CID) behaviour of erlotinib, moxifloxacin, clozapine and olanzapine standards were compared. EID mass spectra were also compared with experimental or reference electron impact ionisation mass spectra. The results show that (with the exception of erlotinib) EID and CID result in complementary fragment ions. Subsequently, we performed LESA EID MS/MS and LESA CID MS/MS on singly charged ions of moxifloxacin and erlotinib extracted from a thin tissue section of rat kidney from a cassette-dosed animal. Both techniques provided structural information, with the majority of peaks observed for the drug standards also observed for the tissue-extracted species. Overall, these results demonstrate the feasibility of LESA EID MS/MS of drug compounds from dosed tissue and extend the number of molecular structures for which EID behaviour has been determined. Graphical Abstract ᅟ.
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Affiliation(s)
| | - Rian L Griffiths
- School of Biosciences, University of Birmingham, Birmingham, B15 2TT, UK
| | - Richard J A Goodwin
- Pathology, Drug Safety & Metabolism, IMED Biotech Unit, AstraZeneca, Darwin Building, Cambridge Science Park, Milton Road, Cambridge, CB4 0WG, UK
| | - Helen J Cooper
- School of Biosciences, University of Birmingham, Birmingham, B15 2TT, UK.
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33
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Marcell Szasz A, Malm J, Rezeli M, Sugihara Y, Betancourt LH, Rivas D, Gyorffy B, Marko-Varga G. Challenging the heterogeneity of disease presentation in malignant melanoma-impact on patient treatment. Cell Biol Toxicol 2018; 35:1-14. [PMID: 30357519 PMCID: PMC6514062 DOI: 10.1007/s10565-018-9446-9] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2018] [Accepted: 08/29/2018] [Indexed: 11/27/2022]
Abstract
There is an increasing global interest to support research areas that can assist in understanding disease and improving patient care. The National Cancer Institute (NIH) has identified precision medicine-based approaches as key research strategies to expedite advances in cancer research. The Cancer Moonshot program ( https://www.cancer.gov/research/key-initiatives/moonshot-cancer-initiative ) is the largest cancer program of all time, and has been launched to accelerate cancer research that aims to increase the availability of therapies to more patients and, ultimately, to eradicate cancer. Mass spectrometry-based proteomics has been extensively used to study the molecular mechanisms of cancer, to define molecular subtypes of tumors, to map cancer-associated protein interaction networks and post-translational modifications, and to aid in the development of new therapeutics and new diagnostic and prognostic tests. To establish the basis for our melanoma studies, we have established the Southern Sweden Malignant Melanoma Biobank. Tissues collected over many years have been accurately characterized with respect to the tumor and patient information. The extreme variability displayed in the protein profiles and the detection of missense mutations has confirmed the complexity and heterogeneity of the disease. It is envisaged that the combined analysis of clinical, histological, and proteomic data will provide patients with a more personalized medical treatment. With respect to disease presentation, targeted treatment and medical mass spectrometry analysis and imaging, this overview report will outline and summarize the current achievements and status within malignant melanoma. We present data generated by our cancer research center in Lund, Sweden, where we have built extensive capabilities in biobanking, proteogenomics, and patient treatments over an extensive time period.
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Affiliation(s)
- A Marcell Szasz
- Center of Excellence in Biological and Medical Mass Spectrometry, Lund University, BMC D13, 221 84, Lund, Sweden
- Division of Oncology and Pathology, Department of Clinical Sciences Lund, Lund University, 221 85, Lund, Sweden
- Cancer Center, Semmelweis University, Budapest, 1083, Hungary
- MTA-TTK Momentum Oncology Biomarker Research Group, Hungarian Academy of Sciences, Budapest, 1117, Hungary
| | - Johan Malm
- Center of Excellence in Biological and Medical Mass Spectrometry, Lund University, BMC D13, 221 84, Lund, Sweden
- Department of Oncology, Lund University, Skåne University Hospital, 221 85, Lund, Sweden
- Department of Translational Medicine, Section for Clinical Chemistry, Lund University, Skåne University Hospital Malmö, 205 02, Malmö, Sweden
| | - Melinda Rezeli
- Clinical Protein Science and Imaging, Department of Biomedical Engineering, Lund University, BMC D13, 221 84, Lund, Sweden
| | - Yutaka Sugihara
- Center of Excellence in Biological and Medical Mass Spectrometry, Lund University, BMC D13, 221 84, Lund, Sweden
- Clinical Protein Science and Imaging, Department of Biomedical Engineering, Lund University, BMC D13, 221 84, Lund, Sweden
| | - Lazaro H Betancourt
- Center of Excellence in Biological and Medical Mass Spectrometry, Lund University, BMC D13, 221 84, Lund, Sweden
- Clinical Protein Science and Imaging, Department of Biomedical Engineering, Lund University, BMC D13, 221 84, Lund, Sweden
| | - Daniel Rivas
- Institute of Environmental Sciences and Water Research, IDAEA, Spanish Research Council (CSIC), Barcelona, Spain
| | - Balázs Gyorffy
- MTA-TTK Momentum Oncology Biomarker Research Group, Hungarian Academy of Sciences, Budapest, 1117, Hungary
- 2nd Department of Pediatrics, Semmelweis University, Budapest, 1094, Hungary
| | - György Marko-Varga
- Center of Excellence in Biological and Medical Mass Spectrometry, Lund University, BMC D13, 221 84, Lund, Sweden.
- Clinical Protein Science and Imaging, Department of Biomedical Engineering, Lund University, BMC D13, 221 84, Lund, Sweden.
- Division of Life Science and Biotechnology, Yonsei University, Soel, Korea.
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34
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Griffiths RL, Simmonds AL, Swales JG, Goodwin RJA, Cooper HJ. LESA MS Imaging of Heat-Preserved and Frozen Tissue: Benefits of Multistep Static FAIMS. Anal Chem 2018; 90:13306-13314. [DOI: 10.1021/acs.analchem.8b02739] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Affiliation(s)
- Rian L. Griffiths
- School of Biosciences, University of Birmingham, Edgbaston B15 2TT, U.K
| | - Anna L. Simmonds
- School of Biosciences, University of Birmingham, Edgbaston B15 2TT, U.K
| | - John G. Swales
- Pathology, Drug Safety & Metabolism, IMED Biotech Unit, AstraZeneca, Darwin Building, Cambridge Science Park, Milton Road, Cambridge CB4 0WG, U.K
| | - Richard J. A. Goodwin
- Pathology, Drug Safety & Metabolism, IMED Biotech Unit, AstraZeneca, Darwin Building, Cambridge Science Park, Milton Road, Cambridge CB4 0WG, U.K
| | - Helen J. Cooper
- School of Biosciences, University of Birmingham, Edgbaston B15 2TT, U.K
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35
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Rzagalinski I, Kovačević B, Hainz N, Meier C, Tschernig T, Volmer DA. Toward Higher Sensitivity in Quantitative MALDI Imaging Mass Spectrometry of CNS Drugs Using a Nonpolar Matrix. Anal Chem 2018; 90:12592-12600. [PMID: 30260620 DOI: 10.1021/acs.analchem.8b02740] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Tissue-specific ion suppression is an unavoidable matrix effect in MALDI mass spectrometry imaging (MALDI-MSI), the negative impact of which on precision and accuracy in quantitative MALDI-MSI can be reduced to some extent by applying isotope internal standards for normalization and matrix-matched calibration routines. The detection sensitivity still suffers, however, often resulting in significant loss of signal for the investigated analytes. An MSI application considerably affected by this phenomenon is the quantitative spatial analysis of central nervous system (CNS) drugs. Most of these drugs are low molecular weight, lipophilic compounds, which exhibit inefficient desorption and ionization during MALDI using conventional polar acidic matrices (CHCA, DHB). Here, we present the application of the (2-[(2 E)-3-(4- tert-butylphenyl)-2-methylprop-2-enylidene]malononitrile) matrix for high sensitivity imaging of CNS drugs in mouse brain sections. Since DCTB is usually described as an electron-transfer matrix, we provide a rationale (i.e., computational calculations of gas-phase proton affinity and ionization energy) for an additional proton-transfer ionization mechanism with this matrix. Furthermore, we compare the extent of signal suppression for five different CNS drugs when employing DCTB versus CHCA matrices. The results showed that the signal suppression was not only several times lower with DCTB than with CHCA but also depended on the specific tissue investigated. Finally, we present the application of DCTB and ultrahigh resolution Fourier transform ion cyclotron resonance mass spectrometry to quantitative MALDI imaging of the anesthetic drug xylazine in mouse brain sections based on a linear matrix-matched calibration curve. DCTB afforded up to 100-fold signal intensity improvement over CHCA when comparing representative single MSI pixels and >440-fold improvement for the averaged mass spectrum of the adjacent tissue sections.
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Affiliation(s)
- Ignacy Rzagalinski
- Institute of Bioanalytical Chemistry , Saarland University , 66123 Saarbrücken , Germany
| | - Borislav Kovačević
- Group for Computational Life Sciences , Ruđer Bošković Institute , 10000 Zagreb , Croatia
| | - Nadine Hainz
- Institute of Anatomy and Cell Biology , Saarland University , 66421 Homburg , Germany
| | - Carola Meier
- Institute of Anatomy and Cell Biology , Saarland University , 66421 Homburg , Germany
| | - Thomas Tschernig
- Institute of Anatomy and Cell Biology , Saarland University , 66421 Homburg , Germany
| | - Dietrich A Volmer
- Department of Chemistry , Humboldt University of Berlin , 12489 Berlin , Germany
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36
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Bäckström E, Hamm G, Nilsson A, Fihn BM, Strittmatter N, Andrén P, Goodwin RJA, Fridén M. Uncovering the regional localization of inhaled salmeterol retention in the lung. Drug Deliv 2018; 25:838-845. [PMID: 29587546 PMCID: PMC6058612 DOI: 10.1080/10717544.2018.1455762] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023] Open
Abstract
Treatment of respiratory disease with a drug delivered via inhalation is generally held as being beneficial as it provides direct access to the lung target site with a minimum systemic exposure. There is however only limited information of the regional localization of drug retention following inhalation. The aim of this study was to investigate the regional and histological localization of salmeterol retention in the lungs after inhalation and to compare it to systemic administration. Lung distribution of salmeterol delivered to rats via nebulization or intravenous (IV) injection was analyzed with high-resolution mass spectrometry imaging (MSI). Salmeterol was widely distributed in the entire section at 5 min after inhalation, by 15 min it was preferentially retained in bronchial tissue. Via a novel dual-isotope study, where salmeterol was delivered via inhalation and d3-salmeterol via IV to the same rat, could the effective gain in drug concentration associated with inhaled delivery relative to IV, expressed as a site-specific lung targeting factor, was 5-, 31-, and 45-fold for the alveolar region, bronchial sub-epithelium and epithelium, respectively. We anticipate that this MSI-based framework for quantifying regional and histological lung targeting by inhalation will accelerate discovery and development of local and more precise treatments of respiratory disease.
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Affiliation(s)
- Erica Bäckström
- a Drug Metabolism and Pharmacokinetics, Respiratory, Inflammation and Autoimmunity IMED Biotech Unit , AstraZeneca , Gothenburg , Sweden
| | - Gregory Hamm
- b Pathology Sciences, Drug Safety & Metabolism IMED Biotech Unit , AstraZeneca , Cambridge , UK
| | - Anna Nilsson
- c Biomolecular Mass Spectrometry Imaging, National Resource for MSI, Science for Life Laboratory, Dept. of Pharmaceutical Biosciences , Uppsala University , Uppsala , Sweden
| | - Britt-Marie Fihn
- a Drug Metabolism and Pharmacokinetics, Respiratory, Inflammation and Autoimmunity IMED Biotech Unit , AstraZeneca , Gothenburg , Sweden
| | - Nicole Strittmatter
- b Pathology Sciences, Drug Safety & Metabolism IMED Biotech Unit , AstraZeneca , Cambridge , UK
| | - Per Andrén
- c Biomolecular Mass Spectrometry Imaging, National Resource for MSI, Science for Life Laboratory, Dept. of Pharmaceutical Biosciences , Uppsala University , Uppsala , Sweden
| | - Richard J A Goodwin
- b Pathology Sciences, Drug Safety & Metabolism IMED Biotech Unit , AstraZeneca , Cambridge , UK
| | - Markus Fridén
- a Drug Metabolism and Pharmacokinetics, Respiratory, Inflammation and Autoimmunity IMED Biotech Unit , AstraZeneca , Gothenburg , Sweden.,d Translational PKPD Group, Department of Pharmaceutical Biosciences , Uppsala University , Uppsala , Sweden
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37
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Zandanel C, Legouffe R, Trochon-Joseph V, Tomezyk A, Gaudin M, Bonnel D, Stauber J, Vasseur B, Bromet N. Biodistribution of polycyanoacrylate nanoparticles encapsulating doxorubicin by Matrix-Assisted Laser Desorption Ionization (MALDI) Mass Spectrometry Imaging (MSI). J Drug Deliv Sci Technol 2018. [DOI: 10.1016/j.jddst.2018.06.023] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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38
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Fatou B, Saudemont P, Duhamel M, Ziskind M, Focsa C, Salzet M, Fournier I. Real time and in vivo pharmaceutical and environmental studies with SpiderMass instrument. J Biotechnol 2018; 281:61-66. [DOI: 10.1016/j.jbiotec.2018.06.339] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2018] [Revised: 06/03/2018] [Accepted: 06/12/2018] [Indexed: 01/19/2023]
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39
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Prideaux B, Lenaerts A, Dartois V. Imaging and spatially resolved quantification of drug distribution in tissues by mass spectrometry. Curr Opin Chem Biol 2018; 44:93-100. [PMID: 29957376 DOI: 10.1016/j.cbpa.2018.05.007] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2018] [Accepted: 05/03/2018] [Indexed: 12/14/2022]
Abstract
Mass spectrometry imaging (MSI) is a powerful label-free technique for visualizing drug and metabolite distributions in biological tissues. In this review, we discuss recent developments in MSI and spatial profiling technologies to visualize and quantify drug distributions in tissues. We also present recent examples of applications of these technologies for assessing drug distribution within tissues and individual cells. Finally, we focus on an emerging technique coupling laser capture microdissection (LCM) to quantitative mass spectrometry, which combines the respective advantages of imaging and conventional liquid chromatography mass spectrometry, and thus enables spatially resolved drug quantification.
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Affiliation(s)
- Brendan Prideaux
- Public Health Research Institute, New Jersey Medical School, Rutgers, The State University of New Jersey, Newark, NJ, USA.
| | - Anne Lenaerts
- Mycobacteria Research Laboratories, Department of Microbiology, Immunology and Pathology, Colorado State University, Fort Collins, CO 80523, USA
| | - Véronique Dartois
- Public Health Research Institute, New Jersey Medical School, Rutgers, The State University of New Jersey, Newark, NJ, USA; Department of Medicine, New Jersey Medical School, Rutgers, The State University of New Jersey, Newark, NJ, USA
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40
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Tucker LH, Conde-González A, Cobice D, Hamm GR, Goodwin RJA, Campbell CJ, Clarke DJ, Mackay CL. MALDI Matrix Application Utilizing a Modified 3D Printer for Accessible High Resolution Mass Spectrometry Imaging. Anal Chem 2018; 90:8742-8749. [DOI: 10.1021/acs.analchem.8b00670] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Lulu H. Tucker
- EaStCHEM School of Chemistry, University of Edinburgh, Edinburgh, United Kingdom EH9 3FJ
| | - Antonio Conde-González
- EaStCHEM School of Chemistry, University of Edinburgh, Edinburgh, United Kingdom EH9 3FJ
| | - Diego Cobice
- School of Biomedical Sciences, University of Ulster, Coleraine, United Kingdom BT52 1SA
| | - Gregory R. Hamm
- Pathology Sciences, Drug Safety and Metabolism IMED Biotech Unit, AstraZeneca, Cambridge Science Park, Milton Road, Cambridge, United Kingdom CB4 0WG
| | - Richard J. A. Goodwin
- Pathology Sciences, Drug Safety and Metabolism IMED Biotech Unit, AstraZeneca, Cambridge Science Park, Milton Road, Cambridge, United Kingdom CB4 0WG
| | - Colin J. Campbell
- EaStCHEM School of Chemistry, University of Edinburgh, Edinburgh, United Kingdom EH9 3FJ
| | - David J. Clarke
- EaStCHEM School of Chemistry, University of Edinburgh, Edinburgh, United Kingdom EH9 3FJ
| | - C. Logan Mackay
- EaStCHEM School of Chemistry, University of Edinburgh, Edinburgh, United Kingdom EH9 3FJ
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41
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Swales JG, Dexter A, Hamm G, Nilsson A, Strittmatter N, Michopoulos F, Hardy C, Morentin-Gutierrez P, Mellor M, Andren PE, Clench MR, Bunch J, Critchlow SE, Goodwin RJA. Quantitation of Endogenous Metabolites in Mouse Tumors Using Mass-Spectrometry Imaging. Anal Chem 2018; 90:6051-6058. [PMID: 29668267 DOI: 10.1021/acs.analchem.7b05239] [Citation(s) in RCA: 45] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Described is a quantitative-mass-spectrometry-imaging (qMSI) methodology for the analysis of lactate and glutamate distributions in order to delineate heterogeneity among mouse tumor models used to support drug-discovery efficacy testing. We evaluate and report on preanalysis-stabilization methods aimed at improving the reproducibility and efficiency of quantitative assessments of endogenous molecules in tissues. Stability experiments demonstrate that optimum stabilization protocols consist of frozen-tissue embedding, post-tissue-sectioning desiccation, and storage at -80 °C of tissue sections sealed in vacuum-tight containers. Optimized stabilization protocols are used in combination with qMSI methodology for the absolute quantitation of lactate and glutamate in tumors, incorporating the use of two different stable-isotope-labeled versions of each analyte and spectral-clustering performed on each tissue section using k-means clustering to allow region-specific, pixel-by-pixel quantitation. Region-specific qMSI was used to screen different tumor models and identify a phenotype that has low lactate heterogeneity, which will enable accurate measurements of lactate modulation in future drug-discovery studies. We conclude that using optimized qMSI protocols, it is possible to quantify endogenous metabolites within tumors, and region-specific quantitation can provide valuable insight into tissue heterogeneity and the tumor microenvironment.
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Affiliation(s)
- John G Swales
- Pathology, Drug Safety & Metabolism, IMED Biotech Unit , AstraZeneca , Darwin Building, Cambridge Science Park, Milton Road , Cambridge , Cambridgeshire CB4 0WG , U.K.,Centre for Mass Spectrometry Imaging, Biomolecular Research Centre , Sheffield Hallam University , Sheffield S1 1WB , U.K
| | - Alex Dexter
- National Centre of Excellence in Mass Spectrometry Imaging (NiCE-MSI) , National Physical Laboratory , Teddington TW11 0LW , U.K
| | - Gregory Hamm
- Pathology, Drug Safety & Metabolism, IMED Biotech Unit , AstraZeneca , Darwin Building, Cambridge Science Park, Milton Road , Cambridge , Cambridgeshire CB4 0WG , U.K
| | - Anna Nilsson
- Biomolecular Mass Spectrometry Imaging, National Resource for MSI, Science for Life Laboratory, Department of Pharmaceutical Biosciences , Uppsala University , Uppsala 752 37 , Sweden
| | - Nicole Strittmatter
- Pathology, Drug Safety & Metabolism, IMED Biotech Unit , AstraZeneca , Darwin Building, Cambridge Science Park, Milton Road , Cambridge , Cambridgeshire CB4 0WG , U.K
| | | | - Christopher Hardy
- Pathology, Drug Safety & Metabolism, IMED Biotech Unit , AstraZeneca , Darwin Building, Cambridge Science Park, Milton Road , Cambridge , Cambridgeshire CB4 0WG , U.K
| | | | - Martine Mellor
- Bioscience, Oncology, IMED Biotech Unit , AstraZeneca , Cambridge CB4 0WG , U.K
| | - Per E Andren
- Biomolecular Mass Spectrometry Imaging, National Resource for MSI, Science for Life Laboratory, Department of Pharmaceutical Biosciences , Uppsala University , Uppsala 752 37 , Sweden
| | - Malcolm R Clench
- Centre for Mass Spectrometry Imaging, Biomolecular Research Centre , Sheffield Hallam University , Sheffield S1 1WB , U.K
| | - Josephine Bunch
- National Centre of Excellence in Mass Spectrometry Imaging (NiCE-MSI) , National Physical Laboratory , Teddington TW11 0LW , U.K
| | - Susan E Critchlow
- Bioscience, Oncology, IMED Biotech Unit , AstraZeneca , Cambridge CB4 0WG , U.K
| | - Richard J A Goodwin
- Pathology, Drug Safety & Metabolism, IMED Biotech Unit , AstraZeneca , Darwin Building, Cambridge Science Park, Milton Road , Cambridge , Cambridgeshire CB4 0WG , U.K
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42
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Charkoftaki G, Rattray NJW, Andrén PE, Caprioli RM, Castellino S, Duncan MW, Goodwin RJA, Schey KL, Shahidi-Latham SK, Veselkov KA, Johnson CH, Vasiliou V. Yale School of Public Health Symposium on tissue imaging mass spectrometry: illuminating phenotypic heterogeneity and drug disposition at the molecular level. Hum Genomics 2018; 12:10. [PMID: 29482659 PMCID: PMC5828306 DOI: 10.1186/s40246-018-0142-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2018] [Accepted: 02/18/2018] [Indexed: 02/06/2023] Open
Affiliation(s)
- Georgia Charkoftaki
- Department of Environmental Health Sciences, Yale School of Public Health, Yale University, New Haven, USA
| | - Nicholas J W Rattray
- Department of Environmental Health Sciences, Yale School of Public Health, Yale University, New Haven, USA
| | - Per E Andrén
- Biomolecular Mass Spectrometry Imaging, National Resource for Mass Spectrometry Imaging, Department of Pharmaceutical Biosciences, Uppsala University, Uppsala, Sweden
| | - Richard M Caprioli
- Departments of Biochemistry and the Mass Spectrometry Research Center, Vanderbilt University School of Medicine, Nashville, USA
| | - Steve Castellino
- Department of Bio-Imaging, Platform Science and Technology, GSK, King of Prussia, USA
| | | | - Richard J A Goodwin
- Pathology, Drug Safety and Metabolism, IMED Biotech Unit, AstraZeneca, Cambridge, UK
| | - Kevin L Schey
- Departments of Biochemistry and Ophthalmology and Visual Sciences, Vanderbilt University School of Medicine, Nashville, USA
| | | | - Kirill A Veselkov
- Computational and Systems Medicine, Department of Surgery and Cancer, Faculty of Medicine, Imperial College London, London, UK
| | - Caroline H Johnson
- Department of Environmental Health Sciences, Yale School of Public Health, Yale University, New Haven, USA.,Yale Cancer Center, Yale School of Medicine, Yale University, New Haven, USA
| | - Vasilis Vasiliou
- Department of Environmental Health Sciences, Yale School of Public Health, Yale University, New Haven, USA. .,Yale Cancer Center, Yale School of Medicine, Yale University, New Haven, USA. .,Department of Ophthalmology and Visual Science, Yale School of Medicine, Yale University, New Haven, USA.
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43
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Ambient surface mass spectrometry–ion mobility spectrometry of intact proteins. Curr Opin Chem Biol 2018; 42:67-75. [DOI: 10.1016/j.cbpa.2017.11.002] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2017] [Revised: 10/31/2017] [Accepted: 11/02/2017] [Indexed: 11/18/2022]
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44
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Vallianatou T, Strittmatter N, Nilsson A, Shariatgorji M, Hamm G, Pereira M, Källback P, Svenningsson P, Karlgren M, Goodwin RJA, Andrén PE. A mass spectrometry imaging approach for investigating how drug-drug interactions influence drug blood-brain barrier permeability. Neuroimage 2018; 172:808-816. [PMID: 29329980 DOI: 10.1016/j.neuroimage.2018.01.013] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2017] [Revised: 12/22/2017] [Accepted: 01/08/2018] [Indexed: 12/16/2022] Open
Abstract
There is a high need to develop quantitative imaging methods capable of providing detailed brain localization information of several molecular species simultaneously. In addition, extensive information on the effect of the blood-brain barrier on the penetration, distribution and efficacy of neuroactive compounds is required. Thus, we have developed a mass spectrometry imaging method to visualize and quantify the brain distribution of drugs with varying blood-brain barrier permeability. With this approach, we were able to determine blood-brain barrier transport of different drugs and define the drug distribution in very small brain structures (e.g., choroid plexus) due to the high spatial resolution provided. Simultaneously, we investigated the effect of drug-drug interactions by inhibiting the membrane transporter multidrug resistance 1 protein. We propose that the described approach can serve as a valuable analytical tool during the development of neuroactive drugs, as it can provide physiologically relevant information often neglected by traditional imaging technologies.
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Affiliation(s)
- Theodosia Vallianatou
- Biomolecular Mass Spectrometry Imaging, National Resource for Mass Spectrometry Imaging, Science for Life Laboratory, Department of Pharmaceutical Biosciences, Uppsala University, Box 591, SE-75124, Uppsala, Sweden
| | - Nicole Strittmatter
- Pathology Sciences, Drug Safety and Metabolism, IMED Biotech Unit, AstraZeneca, Cambridge, UK
| | - Anna Nilsson
- Biomolecular Mass Spectrometry Imaging, National Resource for Mass Spectrometry Imaging, Science for Life Laboratory, Department of Pharmaceutical Biosciences, Uppsala University, Box 591, SE-75124, Uppsala, Sweden
| | - Mohammadreza Shariatgorji
- Biomolecular Mass Spectrometry Imaging, National Resource for Mass Spectrometry Imaging, Science for Life Laboratory, Department of Pharmaceutical Biosciences, Uppsala University, Box 591, SE-75124, Uppsala, Sweden
| | - Gregory Hamm
- Pathology Sciences, Drug Safety and Metabolism, IMED Biotech Unit, AstraZeneca, Cambridge, UK
| | - Marcela Pereira
- Center for Molecular Medicine, Department of Neurology and Clinical Neuroscience, Karolinska Institutet and Karolinska University Hospital, 17176, Stockholm, Sweden
| | - Patrik Källback
- Biomolecular Mass Spectrometry Imaging, National Resource for Mass Spectrometry Imaging, Science for Life Laboratory, Department of Pharmaceutical Biosciences, Uppsala University, Box 591, SE-75124, Uppsala, Sweden
| | - Per Svenningsson
- Center for Molecular Medicine, Department of Neurology and Clinical Neuroscience, Karolinska Institutet and Karolinska University Hospital, 17176, Stockholm, Sweden
| | - Maria Karlgren
- Department of Pharmacy, Uppsala University, BMC, Box 580, Uppsala, SE-751 23, Sweden
| | - Richard J A Goodwin
- Pathology Sciences, Drug Safety and Metabolism, IMED Biotech Unit, AstraZeneca, Cambridge, UK
| | - Per E Andrén
- Biomolecular Mass Spectrometry Imaging, National Resource for Mass Spectrometry Imaging, Science for Life Laboratory, Department of Pharmaceutical Biosciences, Uppsala University, Box 591, SE-75124, Uppsala, Sweden.
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45
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Distribution analysis of epertinib in brain metastasis of HER2-positive breast cancer by imaging mass spectrometry and prospect for antitumor activity. Sci Rep 2018; 8:343. [PMID: 29321587 PMCID: PMC5762859 DOI: 10.1038/s41598-017-18702-2] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2017] [Accepted: 12/15/2017] [Indexed: 12/13/2022] Open
Abstract
Epertinib (S-222611) is a potent, reversible, and selective tyrosine kinase inhibitor of epidermal growth factor receptor (EGFR), human EGFR2 (HER2), and human EGFR4. We developed experimental brain metastasis models by intraventricular injection (intraventricular injection mouse model; IVM) of HER2-positive breast cancer (MDA-MB-361-luc-BR2/BR3) or T790M-EGFR-positive lung cancer (NCI-H1975-luc) cells. After a single oral administration, epertinib and lapatinib concentrations in brain metastatic regions were analyzed by quantitative imaging mass spectrometry. In the NCI-H1975 lung cancer IVM, the concentration of epertinib in brain metastasis was comparable to that of lapatinib. However, in the MDA-MB-361 breast cancer IVM, the concentration of epertinib in brain metastasis was >10 times higher than that of lapatinib. Furthermore, the epertinib tumor-to-normal brain ratio was ~4 times higher than that of lapatinib. Blood-tumor barrier (BTB) permeability was assessed in each brain metastatic region. In the lung cancer model, fluorescently labeled dextran was more highly detected in brain metastatic regions than in brain parenchyma. However, in breast cancer models, dextran fluorescence intensity in brain metastatic regions and brain parenchyma were comparable, suggesting that the BTB remained largely intact. Epertinib would be promised as a therapeutic agent for HER2-positive breast cancer with brain metastasis.
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46
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Tillner J, Wu V, Jones EA, Pringle SD, Karancsi T, Dannhorn A, Veselkov K, McKenzie JS, Takats Z. Faster, More Reproducible DESI-MS for Biological Tissue Imaging. JOURNAL OF THE AMERICAN SOCIETY FOR MASS SPECTROMETRY 2017; 28:2090-2098. [PMID: 28620847 PMCID: PMC5594051 DOI: 10.1007/s13361-017-1714-z] [Citation(s) in RCA: 73] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/05/2016] [Revised: 04/19/2017] [Accepted: 04/23/2017] [Indexed: 05/11/2023]
Abstract
A new, more robust sprayer for desorption electrospray ionization (DESI) mass spectrometry imaging is presented. The main source of variability in DESI is thought to be the uncontrolled variability of various geometric parameters of the sprayer, primarily the position of the solvent capillary, or more specifically, its positioning within the gas capillary or nozzle. If the solvent capillary is off-center, the sprayer becomes asymmetrical, making the geometry difficult to control and compromising reproducibility. If the stiffness, tip quality, and positioning of the capillary are improved, sprayer reproducibility can be improved by an order of magnitude. The quality of the improved sprayer and its potential for high spatial resolution imaging are demonstrated on human colorectal tissue samples by acquisition of images at pixel sizes of 100, 50, and 20 μm, which corresponds to a lateral resolution of 40-60 μm, similar to the best values published in the literature. The high sensitivity of the sprayer also allows combination with a fast scanning quadrupole time-of-flight mass spectrometer. This provides up to 30 times faster DESI acquisition, reducing the overall acquisition time for a 10 mm × 10 mm rat brain sample to approximately 1 h. Although some spectral information is lost with increasing analysis speed, the resulting data can still be used to classify tissue types on the basis of a previously constructed model. This is particularly interesting for clinical applications, where fast, reliable diagnosis is required. Graphical Abstract ᅟ.
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Affiliation(s)
- Jocelyn Tillner
- Computational and Systems Medicine, Department of Surgery and Cancer, Faculty of Medicine, Imperial College London, Sir Alexander Fleming Building, South Kensington, London, SW7 2AZ, UK
- NiCE-MSI, National Physical Laboratory, Hampton Road, Teddington, TW11 0LW, UK
| | - Vincen Wu
- Computational and Systems Medicine, Department of Surgery and Cancer, Faculty of Medicine, Imperial College London, Sir Alexander Fleming Building, South Kensington, London, SW7 2AZ, UK
| | - Emrys A Jones
- Computational and Systems Medicine, Department of Surgery and Cancer, Faculty of Medicine, Imperial College London, Sir Alexander Fleming Building, South Kensington, London, SW7 2AZ, UK
- Waters Corporation, Altrincham Road, Wilmslow, SK9 4AX, UK
| | | | - Tamas Karancsi
- Waters Research Center, Záhony utca 7., C ép., 1. em., 1031, Budapest, Hungary
| | - Andreas Dannhorn
- Computational and Systems Medicine, Department of Surgery and Cancer, Faculty of Medicine, Imperial College London, Sir Alexander Fleming Building, South Kensington, London, SW7 2AZ, UK
| | - Kirill Veselkov
- Computational and Systems Medicine, Department of Surgery and Cancer, Faculty of Medicine, Imperial College London, Sir Alexander Fleming Building, South Kensington, London, SW7 2AZ, UK
| | - James S McKenzie
- Computational and Systems Medicine, Department of Surgery and Cancer, Faculty of Medicine, Imperial College London, Sir Alexander Fleming Building, South Kensington, London, SW7 2AZ, UK
| | - Zoltan Takats
- Computational and Systems Medicine, Department of Surgery and Cancer, Faculty of Medicine, Imperial College London, Sir Alexander Fleming Building, South Kensington, London, SW7 2AZ, UK.
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47
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Cuypers E, Flanagan RJ. The interpretation of hair analysis for drugs and drug metabolites. Clin Toxicol (Phila) 2017; 56:90-100. [DOI: 10.1080/15563650.2017.1379603] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Affiliation(s)
- Eva Cuypers
- KU Leuven Toxicology and Pharmacology, University of Leuven, Leuven, Belgium
| | - Robert J. Flanagan
- Toxicology Unit, Department of Clinical Biochemistry, King’s College Hospital, London, UK
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48
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Lyall MJ, Cartier J, Richards JA, Cobice D, Thomson JP, Meehan RR, Anderton SM, Drake AJ. Methyl donor deficient diets cause distinct alterations in lipid metabolism but are poorly representative of human NAFLD. Wellcome Open Res 2017; 2:67. [PMID: 29707653 PMCID: PMC5887079 DOI: 10.12688/wellcomeopenres.12199.1] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/21/2017] [Indexed: 12/15/2022] Open
Abstract
Background: Non-alcoholic fatty liver disease (NAFLD) is a global health issue. Dietary methyl donor restriction is used to induce a NAFLD/non-alcoholic steatohepatitis (NASH) phenotype in rodents, however the extent to which this model reflects human NAFLD remains incompletely understood. To address this, we undertook hepatic transcriptional profiling of methyl donor restricted rodents and compared these to published human NAFLD datasets. Methods: Adult C57BL/6J mice were maintained on control, choline deficient (CDD) or methionine/choline deficient (MCDD) diets for four weeks; the effects on methyl donor and lipid biology were investigated by bioinformatic analysis of hepatic gene expression profiles followed by a cross-species comparison with human expression data of all stages of NAFLD. Results: Compared to controls, expression of the very low density lipoprotein (VLDL) packaging carboxylesterases (
Ces1d,
Ces1f,
Ces3b) and the NAFLD risk allele
Pnpla3 were suppressed in MCDD; with
Pnpla3 and the liver predominant
Ces isoform,
Ces3b, also suppressed in CDD. With respect to 1-carbon metabolism, down-regulation of
Chka,
Chkb,
Pcty1a,
Gnmt and
Ahcy with concurrent upregulation of
Mat2a suggests a drive to maintain S-adenosylmethionine levels. There was minimal similarity between global gene expression patterns in either dietary intervention and any stage of human NAFLD, however some common transcriptomic changes in inflammatory, fibrotic and proliferative mediators were identified in MCDD, NASH and HCC. Conclusions: This study suggests suppression of VLDL assembly machinery may contribute to hepatic lipid accumulation in these models, but that CDD and MCDD rodent diets are minimally representative of human NAFLD at the transcriptional level.
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Affiliation(s)
- Marcus J Lyall
- University of Edinburgh/British Heart Foundation Centre for Cardiovascular Science, The Queen's Medical Research Institute, University of Edinburgh, Edinburgh, UK
| | - Jessy Cartier
- University of Edinburgh/British Heart Foundation Centre for Cardiovascular Science, The Queen's Medical Research Institute, University of Edinburgh, Edinburgh, UK
| | - James A Richards
- MRC Centre for Inflammation Research, The Queen's Medical Research Institute, University of Edinburgh, Edinburgh, UK
| | - Diego Cobice
- University of Edinburgh/British Heart Foundation Centre for Cardiovascular Science, The Queen's Medical Research Institute, University of Edinburgh, Edinburgh, UK.,School of Biomedical Sciences, Biomedical Sciences Research Institute, University of Ulster, Coleraine, County Londonderry, UK
| | - John P Thomson
- MRC Human Genetics Unit, IGMM, Western General Hospital, Edinburgh, UK
| | - Richard R Meehan
- MRC Human Genetics Unit, IGMM, Western General Hospital, Edinburgh, UK
| | - Stephen M Anderton
- MRC Centre for Inflammation Research, The Queen's Medical Research Institute, University of Edinburgh, Edinburgh, UK.,Centre for Immunity, Infection and Evolution, The Queen's Medical Research Institute, University of Edinburgh, Edinburgh, UK
| | - Amanda J Drake
- University of Edinburgh/British Heart Foundation Centre for Cardiovascular Science, The Queen's Medical Research Institute, University of Edinburgh, Edinburgh, UK
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49
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Song X, Luo Z, Li X, Li T, Wang Z, Sun C, Huang L, Xie P, Liu X, He J, Abliz Z. In Situ Hydrogel Conditioning of Tissue Samples To Enhance the Drug’s Sensitivity in Ambient Mass Spectrometry Imaging. Anal Chem 2017; 89:6318-6323. [DOI: 10.1021/acs.analchem.7b00091] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Xiaowei Song
- State
Key Laboratory of Bioactive Substance and Function of Natural Medicines,
Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Zhigang Luo
- State
Key Laboratory of Bioactive Substance and Function of Natural Medicines,
Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Xin Li
- State
Key Laboratory of Bioactive Substance and Function of Natural Medicines,
Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Tiegang Li
- State
Key Laboratory of Bioactive Substance and Function of Natural Medicines,
Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Zhonghua Wang
- College
of Life and Environmental Sciences, Minzu University of China, Beijing 100081, China
| | - Chenglong Sun
- State
Key Laboratory of Bioactive Substance and Function of Natural Medicines,
Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Luojiao Huang
- State
Key Laboratory of Bioactive Substance and Function of Natural Medicines,
Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Ping Xie
- State
Key Laboratory of Bioactive Substance and Function of Natural Medicines,
Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Xiaoyu Liu
- State
Key Laboratory of Bioactive Substance and Function of Natural Medicines,
Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Jiuming He
- State
Key Laboratory of Bioactive Substance and Function of Natural Medicines,
Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Zeper Abliz
- State
Key Laboratory of Bioactive Substance and Function of Natural Medicines,
Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
- Center
for Imaging and Systems Biology, Minzu University of China, Beijing 100081, China
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50
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Griffiths RL, Randall EC, Race AM, Bunch J, Cooper HJ. Raster-Mode Continuous-Flow Liquid Microjunction Mass Spectrometry Imaging of Proteins in Thin Tissue Sections. Anal Chem 2017; 89:5683-5687. [DOI: 10.1021/acs.analchem.7b00977] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Rian L. Griffiths
- School
of Biosciences, University of Birmingham, Edgbaston, Birmingham B15 2TT, U.K
| | - Elizabeth C. Randall
- School
of Biosciences, University of Birmingham, Edgbaston, Birmingham B15 2TT, U.K
- PSIBS
Doctoral Training Centre, University of Birmingham, Edgbaston, Birmingham B15 2TT, U.K
| | - Alan M. Race
- National Physical Laboratory, Hampton Road, Teddington, Middlesex TW11 0LW, U.K
| | - Josephine Bunch
- National Physical Laboratory, Hampton Road, Teddington, Middlesex TW11 0LW, U.K
- School
of Pharmacy, University of Nottingham, University Park, Nottingham NG7 2RD, U.K
| | - Helen J. Cooper
- School
of Biosciences, University of Birmingham, Edgbaston, Birmingham B15 2TT, U.K
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