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Zhu S, Niu Y, Zhou W, Liu Y, Liu J, Liu X, Lu L, Yu C. Mitochondrial copper overload promotes renal fibrosis via inhibiting pyruvate dehydrogenase activity. Cell Mol Life Sci 2024; 81:340. [PMID: 39120696 DOI: 10.1007/s00018-024-05358-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2024] [Revised: 06/15/2024] [Accepted: 07/09/2024] [Indexed: 08/10/2024]
Abstract
Copper is a trace element essential for numerous biological activities, whereas the mitochondria serve as both major sites of intracellular copper utilization and copper reservoir. Here, we investigated the impact of mitochondrial copper overload on the tricarboxylic acid cycle, renal senescence and fibrosis. We found that copper ion levels are significantly elevated in the mitochondria in fibrotic kidney tissues, which are accompanied by reduced pyruvate dehydrogenase (PDH) activity, mitochondrial dysfunction, cellular senescence and renal fibrosis. Conversely, lowering mitochondrial copper levels effectively restore PDH enzyme activity, improve mitochondrial function, mitigate cellular senescence and renal fibrosis. Mechanically, we found that mitochondrial copper could bind directly to lipoylated dihydrolipoamide acetyltransferase (DLAT), the E2 component of the PDH complex, thereby changing the interaction between the subunits of lipoylated DLAT, inducing lipoylated DLAT protein dimerization, and ultimately inhibiting PDH enzyme activity. Collectively, our study indicates that mitochondrial copper overload could inhibit PDH activity, subsequently leading to mitochondrial dysfunction, cellular senescence and renal fibrosis. Reducing mitochondrial copper overload might therefore serve as a strategy to rescue renal fibrosis.
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Affiliation(s)
- Saiya Zhu
- Department of Nephrology, Tongji Hospital, School of Medicine, Tongji University, Shanghai, 200092, China
| | - Yangyang Niu
- Department of Nephrology, Tongji Hospital, School of Medicine, Tongji University, Shanghai, 200092, China
| | - Wenqian Zhou
- Department of Nephrology, Tongji Hospital, School of Medicine, Tongji University, Shanghai, 200092, China
| | - Yuqing Liu
- Department of Nephrology, Tongji Hospital, School of Medicine, Tongji University, Shanghai, 200092, China
| | - Jing Liu
- Department of Nephrology, Tongji Hospital, School of Medicine, Tongji University, Shanghai, 200092, China
| | - Xi Liu
- Department of Nephrology, Tongji Hospital, School of Medicine, Tongji University, Shanghai, 200092, China
| | - Limin Lu
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Shanghai Medical College, Fudan University, Yixueyuan Road, Shanghai, 200032, China.
| | - Chen Yu
- Department of Nephrology, Tongji Hospital, School of Medicine, Tongji University, Shanghai, 200092, China.
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2
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Zhu SY, Zhou WQ, Niu YY, Zheng C, Liu X, Zhang YY, Yu C. COX17 restricts renal fibrosis development by maintaining mitochondrial copper homeostasis and restoring complex IV activity. Acta Pharmacol Sin 2023; 44:2091-2102. [PMID: 37217601 PMCID: PMC10545728 DOI: 10.1038/s41401-023-01098-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2022] [Accepted: 04/23/2023] [Indexed: 05/24/2023] Open
Abstract
Renal fibrosis relies on multiple proteins and cofactors in its gradual development. Copper is a cofactor of many enzymes involved in renal microenvironment homeostasis. We previously reported that intracellular copper imbalance occurred during renal fibrosis development and was correlated with fibrosis intensity. In this study, we investigated the molecular mechanisms of how copper affected renal fibrosis development. Unilateral ureteral obstruction (UUO) mice were used for in vivo study; rat renal tubular epithelial cells (NRK-52E) treated with TGF-β1 were adapted as an in vitro fibrotic model. We revealed that the accumulation of copper in mitochondria, rather than cytosol, was responsible for mitochondrial dysfunction, cell apoptosis and renal fibrosis in both in vivo and in vitro fibrotic models. Furthermore, we showed that mitochondrial copper overload directly disrupted the activity of respiratory chain complex IV (cytochrome c oxidase), but not complex I, II and III, which hampered respiratory chain and disrupted mitochondrial functions, eventually leading to fibrosis development. Meanwhile, we showed that COX17, the copper chaperone protein, was significantly upregulated in the mitochondria of fibrotic kidneys and NRK-52E cells. Knockdown of COX17 aggravated mitochondrial copper accumulation, inhibited complex IV activity, augmented mitochondrial dysfunction and led to cell apoptosis and renal fibrosis, whereas overexpression of COX17 could discharge copper from mitochondria and protect mitochondrial function, alleviating renal fibrosis. In conclusion, copper accumulation in mitochondria blocks complex IV activity and induces mitochondrial dysfunction. COX17 plays a pivotal role in maintaining mitochondrial copper homeostasis, restoring complex IV activity, and ameliorating renal fibrosis.
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Affiliation(s)
- Sai-Ya Zhu
- Department of Nephrology, Tongji Hospital, School of Medicine, Tongji University, Shanghai, 200092, China
| | - Wen-Qian Zhou
- Department of Nephrology, Tongji Hospital, School of Medicine, Tongji University, Shanghai, 200092, China
| | - Yang-Yang Niu
- Department of Nephrology, Tongji Hospital, School of Medicine, Tongji University, Shanghai, 200092, China
| | - Chao Zheng
- Department of Nephrology, Tongji Hospital, School of Medicine, Tongji University, Shanghai, 200092, China
| | - Xi Liu
- Department of Nephrology, Tongji Hospital, School of Medicine, Tongji University, Shanghai, 200092, China
| | - Ying-Ying Zhang
- Department of Nephrology, Tongji Hospital, School of Medicine, Tongji University, Shanghai, 200092, China
| | - Chen Yu
- Department of Nephrology, Tongji Hospital, School of Medicine, Tongji University, Shanghai, 200092, China.
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3
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Liu J, Zheng L, Li Q, Feng L, Wang B, Chen M, Wang M, Wang J, Feng W. Isotope dilution LA-ICP-MS for quantitative imaging of trace elements in mouse brain sections. Anal Chim Acta 2023; 1273:341524. [PMID: 37423661 DOI: 10.1016/j.aca.2023.341524] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2023] [Revised: 05/09/2023] [Accepted: 06/11/2023] [Indexed: 07/11/2023]
Abstract
Isotope dilution (ID) analysis is considered one of the most accurate quantitative methods. However, it has not been widely applied to the quantitative imaging of trace elements in biological samples using laser ablation inductively coupled plasma mass spectrometry (LA-ICP-MS), mainly because of difficulties in homogeneously mixing enriched isotopes (the spike) with the sample (e.g., a tissue section). In this study, we present a novel method for the quantitative imaging of trace elements (copper and zinc) in mouse brain sections using ID-LA-ICP-MS. We used an electrospray-based coating device (ECD) to evenly distribute a known amount of the spike (65Cu and 67Zn) on the sections. The optimal conditions for this process involved evenly distributing the enriched isotopes on mouse brain sections mounted on indium tin oxide (ITO) glass slides using the ECD with the 10 mg g-1 ɑ-cyano-4-hydroxycinnamic acid (CHCA) in methanol at 80 °C. The mass of the spiked isotopes and the tissue sections on the ITO slides was calculated by weighing them on an analytical balance. Quantitative images of Cu and Zn in Alzheimer's disease (AD) mouse brain sections were obtained using ID-LA-ICP-MS. These imaging results showed that Cu and Zn concentrations in various brain regions typically ranged from 10 to 25 μg g-1 and 30-80 μg g-1, respectively. But it is worth noting that the hippocampus contained up to 50 μg g-1 of Zn, while the cerebral cortex and hippocampus had Cu contents as high as 150 μg g-1. These results were validated by acid digestion and solution analysis with ICP-MS. The novel ID-LA-ICP-MS method provides an accurate and reliable means for quantitative imaging of biological tissue sections.
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Affiliation(s)
- Jinhui Liu
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, CAS-HKU Joint Laboratory of Metallomics on Health and Environment, and Beijing Metallomics Facility, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, 100049, China; Research Center for Analytical Sciences, Department of Chemistry, College of Sciences, Northeastern University, Shenyang, 110819, China
| | - Lingna Zheng
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, CAS-HKU Joint Laboratory of Metallomics on Health and Environment, and Beijing Metallomics Facility, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, 100049, China
| | - Qian Li
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, CAS-HKU Joint Laboratory of Metallomics on Health and Environment, and Beijing Metallomics Facility, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, 100049, China; Research Center for Analytical Sciences, Department of Chemistry, College of Sciences, Northeastern University, Shenyang, 110819, China
| | - Liuxing Feng
- Key Laboratory of Chemical Metrology and Applications on Nutrition and Health for State Market Regulation, Division of Metrology in Chemistry, National Institute of Metrology, Beijing, 100029, China
| | - Bing Wang
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, CAS-HKU Joint Laboratory of Metallomics on Health and Environment, and Beijing Metallomics Facility, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, 100049, China
| | - Mingli Chen
- Research Center for Analytical Sciences, Department of Chemistry, College of Sciences, Northeastern University, Shenyang, 110819, China.
| | - Meng Wang
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, CAS-HKU Joint Laboratory of Metallomics on Health and Environment, and Beijing Metallomics Facility, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, 100049, China.
| | - Jianhua Wang
- Research Center for Analytical Sciences, Department of Chemistry, College of Sciences, Northeastern University, Shenyang, 110819, China
| | - Weiyue Feng
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, CAS-HKU Joint Laboratory of Metallomics on Health and Environment, and Beijing Metallomics Facility, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, 100049, China
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4
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Lang Y, Xu S, Zhang C. Hydrothermal Synthesis of Molybdenum Disulfide Quantum Dots for Highly Sensitive Detection of Iron Ions in Protein Succinate Oral Solution. MICROMACHINES 2023; 14:1368. [PMID: 37512679 PMCID: PMC10385574 DOI: 10.3390/mi14071368] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/08/2023] [Revised: 06/14/2023] [Accepted: 06/26/2023] [Indexed: 07/30/2023]
Abstract
In this paper, a molybdenum disulfide fluorescent probe with an Fe3+ fluorescent system was first synthesized by the hydrothermal method for the detection of iron ion concentration in oral solution of protein succinate. It was characterized by infrared, fluorescence, X-ray photoelectron spectroscopy, scanning electron microscopy, and transmission electron microscopy. The probes were found to have good stability, photobleaching, and storage stability. The effects of dilution, pH, reaction time, and iron ion concentration on the fluorescent system were also investigated. The relative fluorescence intensity [(I0 - I)/I0] showed a good linear relationship with the iron ion concentration in the range of 0-50 μM, with the linear equation [(I0 - I)/I0] = 0.0148[Fe3+] + 0.0833 (r2 = 0.9943, n = 11) and the detection limit of 2.43 μM. The reaction mechanism was also explored, as well as its ion selectivity, reversibility, accuracy, precision, and concentration of Fe ions in the actual sample. It was found that the probe can selectively detect Fe ions with a certain degree of reversibility, accuracy, precision, and ideal recovery, and it can be used for the determination of Fe3+ in proteosuccinic acid oral solution.
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Affiliation(s)
- Yan Lang
- Department of Rehabilitation Therapy, Wuyi University, Nanping 354301, China
| | - Shuru Xu
- Department of Medical Technology, Zhangzhou Health Vocational College/Collaborative Innovation Center for Translation Medical Testing and Application Technology, Zhangzhou 363000, China
| | - Chunbin Zhang
- Department of Medical Technology, Zhangzhou Health Vocational College/Collaborative Innovation Center for Translation Medical Testing and Application Technology, Zhangzhou 363000, China
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Bai Y, Zhang H, Yang B, Leng X. Development of a Fluorescein-Based Probe with an "Off-On" Mechanism for Selective Detection of Copper (II) Ions and Its Application in Imaging of Living Cells. BIOSENSORS 2023; 13:301. [PMID: 36979513 PMCID: PMC10046790 DOI: 10.3390/bios13030301] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/06/2023] [Revised: 02/09/2023] [Accepted: 02/16/2023] [Indexed: 06/18/2023]
Abstract
Copper is a common metallic element that plays an extremely essential role in the physiological activities of living organisms. The slightest change in copper levels in the human body can trigger various diseases. Therefore, it is important to accurately and efficiently monitor copper ion levels in the human body. Recent studies have shown that fluorescent probes have obvious advantages in bioimaging and Cu2+ detection. Therefore, a novel Cu2+ probe (N2) was designed and synthesized from fluorescein, hydrazine hydrate and 5-p-nitrophenylfurfural that is sensitive to and can detect Cu2+ within 100 s. The response mechanism of the N2 probe to Cu2+ was studied by several methods such as Job's plots and MS analysis, which showed that the Cu2+ and the N2 probe were coordinated in a complexation ratio of 1:1. In addition, compared with other cations investigated in this study, the N2 probe showed excellent selectivity and sensitivity to Cu2+, exhibiting distinct fluorescence absorption at 525 nm. Furthermore, in the equivalent range of 0.1-1.5, there is a good linear relationship between Cu2+ concentration and fluorescence intensity, and the detection limit is 0.10 μM. It is worth mentioning that the reversible reaction between the N2 probe and Cu2+, as well as the good biocompatibility shown by the probe in bioimaging, make it a promising candidate for Cu2+ biosensor applications.
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Affiliation(s)
- Yinjuan Bai
- College of Chemistry & Materials Science, Northwest University, Xi’an 710127, China
| | - Hongpeng Zhang
- College of Chemistry & Materials Science, Northwest University, Xi’an 710127, China
| | - Bingqin Yang
- College of Chemistry & Materials Science, Northwest University, Xi’an 710127, China
| | - Xin Leng
- College of Chemistry & Materials Science, Northwest University, Xi’an 710127, China
- College of Science, Northwest University, Xi’an 710069, China
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6
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Pan H, Feng L, Lu Y, Han Y, Xiong J, Li H. Calibration strategies for laser ablation ICP-MS in biological studies: A review. Trends Analyt Chem 2022. [DOI: 10.1016/j.trac.2022.116710] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
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7
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Busser B, Bulin AL, Gardette V, Elleaume H, Pelascini F, Bouron A, Motto-Ros V, Sancey L. Visualizing the cerebral distribution of chemical elements: A challenge met with LIBS elemental imaging. J Neurosci Methods 2022; 379:109676. [PMID: 35850297 DOI: 10.1016/j.jneumeth.2022.109676] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2022] [Revised: 07/08/2022] [Accepted: 07/14/2022] [Indexed: 11/17/2022]
Abstract
Biological tissues contain various metals and metalloids ions with central role in the regulation of several pathophysiological functions. In parallel, the development and the evaluation of novel nanocompounds for biomedicine require the monitoring of their biodistribution in tissues of interest. Therefore, researchers need to use reliable and accessible techniques to detect and quantify major and trace elements in space-resolved manner. In this communication, we report how Laser-Induced Breakdown Spectroscopy (LIBS) can be used to image the distribution of chemical elements in brain tissues.
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Affiliation(s)
- Benoit Busser
- Univ. Grenoble Alpes, INSERM U1209, CNRS, UMR 5309, Institute for Advanced Biosciences (IAB), 38000 Grenoble, France; Grenoble Alpes University Hospital, 38700 Grenoble, France; Institut Universitaire de France (IUF), France.
| | - Anne-Laure Bulin
- Univ. Grenoble Alpes, INSERM U1209, CNRS, UMR 5309, Institute for Advanced Biosciences (IAB), 38000 Grenoble, France; Univ. Grenoble Alpes, INSERM, UA07 STROBE, 38000 Grenoble, France.
| | - Vincent Gardette
- Institut Lumière Matière, UMR 5306, Univ. Lyon 1, CNRS, 69622 Villeurbanne, France.
| | - Hélène Elleaume
- Univ. Grenoble Alpes, INSERM, UA07 STROBE, 38000 Grenoble, France.
| | | | - Alexandre Bouron
- Univ. Grenoble Alpes, INSERM, CEA, UMR 1292, 38000 Grenoble, France.
| | - Vincent Motto-Ros
- Institut Lumière Matière, UMR 5306, Univ. Lyon 1, CNRS, 69622 Villeurbanne, France.
| | - Lucie Sancey
- Univ. Grenoble Alpes, INSERM U1209, CNRS, UMR 5309, Institute for Advanced Biosciences (IAB), 38000 Grenoble, France.
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Schweikert A, Theiner S, Šala M, Vician P, Berger W, Keppler BK, Koellensperger G. Quantification in bioimaging by LA-ICPMS - Evaluation of isotope dilution and standard addition enabled by micro-droplets. Anal Chim Acta 2022; 1223:340200. [DOI: 10.1016/j.aca.2022.340200] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2022] [Revised: 06/27/2022] [Accepted: 07/22/2022] [Indexed: 11/25/2022]
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9
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Zhao Y, Cheng P, Yang H, Wang M, Meng D, Zhu Y, Zheng R, Li T, Zhang A, Tan S, Huang T, Bian J, Zhan X, Weiss PS, Yang Y. Towards High-Performance Semitransparent Organic Photovoltaics: Dual-Functional p-Type Soft Interlayer. ACS NANO 2022; 15:13220-13229. [PMID: 34932319 DOI: 10.1021/acsnano.1c02922] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/25/2023]
Abstract
Semitransparent organic photovoltaics (OPVs) have drawn significant attention for their promising potential in the field of building integrated photovoltaics such as energy-generating greenhouses. However, the conflict between the need to attain satisfying average visible transmittances for greenhouse applications and the need to maintain high power conversion efficiencies is limiting the commercialization of semitransparent OPVs. A major manifestation of this issue is the undermining of charge carrier extraction efficiency when opaque, visible-light-absorbing electrodes are substituted with semitransparent ones. Here, we incorporated a dual-function p-type compatible interlayer to modify the interface of the hole-transporting layer and the ultrathin electrode of the semitransparent devices. We find that the p-type interlayer not only enhances the charge carrier extraction of the electrode but also increases the light transmittance in the wavelength range of 400-450 nm, which covers most of the photosynthetic absorption spectrum. The modified semitransparent devices reach a power conversion efficiency of 13.7% and an average visible transmittance of 22.2%.
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Affiliation(s)
| | | | - Hangbo Yang
- Department of Electrical and Computer Engineering, University of California, Los Angeles, Los Angeles, California 90095, United States
| | - Minhuan Wang
- Key Laboratory of Materials Modification by Laser, Ion, and Electron Beams, Dalian University of Technology, Ministry of Education, School of Physics, Dalian, 116024, China
| | | | | | | | - Tengfei Li
- School of Materials Science and Engineering, Peking University, Beijing, 100871, People's Republic of China
| | | | | | | | - Jiming Bian
- Key Laboratory of Materials Modification by Laser, Ion, and Electron Beams, Dalian University of Technology, Ministry of Education, School of Physics, Dalian, 116024, China
| | - Xiaowei Zhan
- School of Materials Science and Engineering, Peking University, Beijing, 100871, People's Republic of China
| | - Paul S Weiss
- Department of Chemistry and Biochemistry, University of California, Los Angeles, Los Angeles, California 90095, United States
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10
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Liu J, Zheng L, Wei X, Wang B, Chen H, Chen M, Wang M, Feng W, Wang J. Quantitative imaging of trace elements in brain sections of Alzheimer’s disease mice with laser ablation inductively coupled plasma-mass spectrometry. Microchem J 2022. [DOI: 10.1016/j.microc.2021.106912] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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11
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Ogra Y, Tanaka YK, Suzuki N. Recent advances in copper analyses by inorganic mass spectrometry. J Clin Biochem Nutr 2022; 71:2-6. [PMID: 35903601 PMCID: PMC9309087 DOI: 10.3164/jcbn.21-170] [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: 12/24/2021] [Accepted: 01/24/2022] [Indexed: 11/30/2022] Open
Abstract
Copper (Cu) participates in the biological redox reaction in the body, and its deficiency is fatal to the body. At the same time, Cu is extremely toxic when it exists in excess. Thus, the body has to tightly and spatiotemporally regulate the concentration of Cu within a physiological range by several groups of Cu-regulating proteins. However, entire mechanisms underlying the maintenance of Cu homeostasis in body and cells have not fully understood. It is necessary to analyze Cu itself in a body and in a cell to reveal the Cu homeostasis. In this review, recent advances in the analytical techniques to understand the Cu metabolism such as speciation, imaging and single-cell analysis of Cu were highlighted.
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Affiliation(s)
- Yasumitsu Ogra
- Laboratory of Toxicology and Environmental Health, Graduate School of Pharmaceutical Sciences, Chiba University
| | - Yu-ki Tanaka
- Laboratory of Toxicology and Environmental Health, Graduate School of Pharmaceutical Sciences, Chiba University
| | - Noriyuki Suzuki
- Laboratory of Toxicology and Environmental Health, Graduate School of Pharmaceutical Sciences, Chiba University
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12
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Li X, Liu T, Chang C, Lei Y, Mao X. Analytical Methodologies for Agrometallomics: A Critical Review. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2021; 69:6100-6118. [PMID: 34048228 DOI: 10.1021/acs.jafc.1c00275] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Agrometallomics, as an independent interdiscipline, is first defined and described in this review. Metallic elements widely exist in agricultural plants, animals and edible fungi, seed, fertilizer, pesticide, feedstuff, as well as the agricultural environment and ecology, and even functional and pathogenic microorganisms. So, the agrometallome plays a vital role in molecular and organismic mechanisms like environmetallomics, metabolomics, proteomics, lipidomics, glycomics, immunomics, genomics, etc. To further reveal the inner and mutual mechanism of the agrometallome, comprehensive and systematic methodologies for the analysis of beneficial and toxic metals are indispensable to investigate elemental existence, concentration, distribution, speciation, and forms in agricultural lives and media. Based on agrometallomics, this review summarizes and discusses the advanced technical progress and future perspectives of metallic analytical approaches, which are categorized into ultrasensitive and high-throughput analysis, elemental speciation and state analysis, and spatial- and microanalysis. Furthermore, the progress of agrometallomic innovativeness greatly depends on the innovative development of modern metallic analysis approaches including, but not limited to, high sensitivity, elemental coverage, and anti-interference; high-resolution isotopic analysis; solid sampling and nondestructive analysis; metal chemical species and metal forms, associated molecular clusters, and macromolecular complexes analysis; and metal-related particles or metal within the microsize and even single cell or subcellular analysis.
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Affiliation(s)
- Xue Li
- Institute of Quality Standard and Testing Technology for Agro-Products, Chinese Academy of Agricultural Sciences, and Key Laboratory of Agro-Food Safety and Quality, Ministry of Agriculture and Rural Affairs, Beijing 100081, China
| | - Tengpeng Liu
- Institute of Quality Standard and Testing Technology for Agro-Products, Chinese Academy of Agricultural Sciences, and Key Laboratory of Agro-Food Safety and Quality, Ministry of Agriculture and Rural Affairs, Beijing 100081, China
| | - Chunyan Chang
- Institute of Quality Standard and Testing Technology for Agro-Products, Chinese Academy of Agricultural Sciences, and Key Laboratory of Agro-Food Safety and Quality, Ministry of Agriculture and Rural Affairs, Beijing 100081, China
| | - Yajie Lei
- Institute of Quality Standard and Testing Technology for Agro-Products, Chinese Academy of Agricultural Sciences, and Key Laboratory of Agro-Food Safety and Quality, Ministry of Agriculture and Rural Affairs, Beijing 100081, China
| | - Xuefei Mao
- Institute of Quality Standard and Testing Technology for Agro-Products, Chinese Academy of Agricultural Sciences, and Key Laboratory of Agro-Food Safety and Quality, Ministry of Agriculture and Rural Affairs, Beijing 100081, China
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13
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Zhong C, Qiu J, Liu M, Yuan Y, Zhu H, Gao Y. Rational design and bioimaging application of cholesterol conjugated fluorescence probe for Cu2+ detection. J Photochem Photobiol A Chem 2021. [DOI: 10.1016/j.jphotochem.2021.113267] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
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14
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Doble PA, de Vega RG, Bishop DP, Hare DJ, Clases D. Laser Ablation-Inductively Coupled Plasma-Mass Spectrometry Imaging in Biology. Chem Rev 2021; 121:11769-11822. [PMID: 34019411 DOI: 10.1021/acs.chemrev.0c01219] [Citation(s) in RCA: 44] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Elemental imaging gives insight into the fundamental chemical makeup of living organisms. Every cell on Earth is comprised of a complex and dynamic mixture of the chemical elements that define structure and function. Many disease states feature a disturbance in elemental homeostasis, and understanding how, and most importantly where, has driven the development of laser ablation-inductively coupled plasma-mass spectrometry (LA-ICP-MS) as the principal elemental imaging technique for biologists. This review provides an outline of ICP-MS technology, laser ablation cell designs, imaging workflows, and methods of quantification. Detailed examples of imaging applications including analyses of cancers, elemental uptake and accumulation, plant bioimaging, nanomaterials in the environment, and exposure science and neuroscience are presented and discussed. Recent incorporation of immunohistochemical workflows for imaging biomolecules, complementary and multimodal imaging techniques, and image processing methods is also reviewed.
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Affiliation(s)
- Philip A Doble
- Atomic Medicine Initiative, University of Technology Sydney, Broadway, New South Wales 2007, Australia
| | - Raquel Gonzalez de Vega
- Atomic Medicine Initiative, University of Technology Sydney, Broadway, New South Wales 2007, Australia
| | - David P Bishop
- Atomic Medicine Initiative, University of Technology Sydney, Broadway, New South Wales 2007, Australia
| | - Dominic J Hare
- Atomic Medicine Initiative, University of Technology Sydney, Broadway, New South Wales 2007, Australia.,School of BioSciences, University of Melbourne, Parkville, Victoria 3052, Australia
| | - David Clases
- Atomic Medicine Initiative, University of Technology Sydney, Broadway, New South Wales 2007, Australia
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15
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Lin Q, Wang S, Duan Y, Tuchin VV. Ex vivo three-dimensional elemental imaging of mouse brain tissue block by laser-induced breakdown spectroscopy. JOURNAL OF BIOPHOTONICS 2021; 14:e202000479. [PMID: 33512064 DOI: 10.1002/jbio.202000479] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/08/2020] [Revised: 01/25/2021] [Accepted: 01/26/2021] [Indexed: 06/12/2023]
Abstract
Measurement and reconstruction of an elemental image of large brain tissue will be beneficial to the diagnosis of neurological brain diseases. Herein, laser-induced breakdown spectroscopy (LIBS) is introduced for three dimensional (3D) elemental analysis of paraffin-embedded mouse brain tissue blocks. It is used for the first time towards the mapping of mouse brain block samples. A micro-LIBS prototype is developed for brain elemental imaging and a layer-by-layer approach is used to reconstruct the 3D distribution of Ca, Mg, Na, Cu, and P in the brain tissue. Images are captured with 50 μm lateral resolution and 300 μm depth resolution. The images show that the reclamation area of the cortex surface is enriched with Ca and Mg. In contrast, the Cu distribution is circular and is found primarily in the entirety of the cerebral cortex for the paraffin-embedded brain samples. Elemental imaging results suggest that the highest P intensity is found in the cerebellum nearby the middle sagittal plane in the left-brain paraffin block. These preliminary results indicate that LIBS is a potentially powerful tool for elemental bioimaging of the whole brain and may further improve the understanding of complex brain mechanisms.
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Affiliation(s)
- Qingyu Lin
- School of Mechanical Engineering, Research Center of Analytical Instrumentation, Sichuan University, Chengdu, China
| | - Shuai Wang
- Kunming Institute of Physics, Kunming, China
| | - Yixiang Duan
- School of Mechanical Engineering, Research Center of Analytical Instrumentation, Sichuan University, Chengdu, China
| | - Valery V Tuchin
- Research-Educational Institute of Optics and Biophotonics, Saratov State University, Saratov, Russia
- Laboratory of Laser Diagnostics of Technical and Living Systems, Institute of Precision Mechanics and Control of the RAS, Saratov, Russia
- Interdisciplinary Laboratory of Biophotonics, Tomsk State University, Tomsk, Russia
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16
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Hollings AL, Lam V, Takechi R, Mamo JCL, Reinhardt J, de Jonge MD, Kappen P, Hackett MJ. Revealing differences in the chemical form of zinc in brain tissue using K-edge X-ray absorption near-edge structure spectroscopy. Metallomics 2020; 12:2134-2144. [PMID: 33300524 DOI: 10.1039/d0mt00198h] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Zinc is a prominent trace metal required for normal memory function. Memory loss and cognitive decline during natural ageing and neurodegenerative disease have been associated with altered brain-Zn homeostasis. Yet, the exact chemical pathways through which Zn influences memory function during health, natural ageing, or neurodegenerative disease remain unknown. The gap in the literature may in part be due to the difficulty to simultaneously image, and therefore, study the different chemical forms of Zn within the brain (or biological samples in general). To this extent, we have begun developing and optimising protocols that incorporate X-ray absorption near-edge structure (XANES) spectroscopic analysis of tissue at the Zn K-edge as an analytical tool to study Zn speciation in the brain. XANES is ideally suited for this task as all chemical forms of Zn are detected, the technique requires minimal sample preparation that may otherwise redistribute or alter the chemical form of Zn, and the Zn K-edge has known sensitivity to coordination geometry and ligand type. Herein, we report our initial results where we fit K-edge spectra collected from micro-dissected flash-frozen brain tissue, to a spectral library prepared from standard solutions, to demonstrate differences in the chemical form of Zn that exist between two brain regions, the hippocampus and cerebellum. Lastly, we have used an X-ray microprobe to demonstrate differences in Zn speciation within sub-regions of thin air-dried sections of the murine hippocampus; but, the corresponding results highlight that the chemical form of Zn is easily perturbed by sample preparation such as tissue sectioning or air-drying, which must be a critical consideration for future work.
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Affiliation(s)
- Ashley L Hollings
- Curtin Health Innovation Research Institute, Curtin University, Perth, WA 6102, Australia.
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17
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de Jesus JR, de Araújo Andrade T. Understanding the relationship between viral infections and trace elements from a metallomics perspective: implications for COVID-19. Metallomics 2020; 12:1912-1930. [PMID: 33295922 PMCID: PMC7928718 DOI: 10.1039/d0mt00220h] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2020] [Accepted: 11/13/2020] [Indexed: 12/11/2022]
Abstract
Recently, the World Health Organization (WHO) declared a pandemic situation due to a new viral infection (COVID-19) caused by a novel virus (Sars-CoV-2). COVID-19 is today the leading cause of death from viral infections in the world. It is known that many elements play important roles in viral infections, both in virus survival, and in the activation of the host's immune system, which depends on the presence of micronutrients to maintain the integrity of its functions. In this sense, the metallome can be an important object of study for understanding viral infections. Therefore, this work presents an overview of the role of trace elements in the immune system and the state of the art in metallomics, highlighting the challenges found in studies focusing on viral infections.
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Affiliation(s)
- Jemmyson Romário de Jesus
- University of Campinas, Institute of Chemistry, Dept of Analytical Chemistry, Campinas, São Paulo, Brazil.
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18
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Mahan B, Chung RS, Pountney DL, Moynier F, Turner S. Isotope metallomics approaches for medical research. Cell Mol Life Sci 2020; 77:3293-3309. [PMID: 32130428 PMCID: PMC11104924 DOI: 10.1007/s00018-020-03484-0] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2019] [Revised: 01/20/2020] [Accepted: 02/17/2020] [Indexed: 12/16/2022]
Abstract
Metallomics is a rapidly evolving field of bio-metal research that integrates techniques and perspectives from other "-omics" sciences (e.g. genomics, proteomics) and from research vocations further afield. Perhaps the most esoteric of this latter category has been the recent coupling of biomedicine with element and isotope geochemistry, commonly referred to as isotope metallomics. Over the course of less than two decades, isotope metallomics has produced numerous benchmark studies highlighting the use of stable metal isotope distribution in developing disease diagnostics-e.g. cancer, neurodegeneration, osteoporosis-as well as their utility in deciphering the underlying mechanisms of such diseases. These pioneering works indicate an enormous wealth of potential and provide a call to action for researchers to combine and leverage expertise and resources to create a clear and meaningful path forward. Doing so with efficacy and impact will require not only building on existing research, but also broadening collaborative networks, bolstering and deepening cross-disciplinary channels, and establishing unified and realizable objectives. The aim of this review is to briefly summarize the field and its underpinnings, provide a directory of the state of the art, outline the most encouraging paths forward, including their limitations, outlook and speculative upcoming breakthroughs, and finally to offer a vision of how to cultivate isotope metallomics for an impactful future.
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Affiliation(s)
- Brandon Mahan
- Earth and Environmental Sciences, James Cook University, Townsville, QLD, Australia.
- Department of Biomedical Research, Macquarie University, Sydney, NSW, 2109, Australia.
| | - Roger S Chung
- Department of Biomedical Research, Macquarie University, Sydney, NSW, 2109, Australia
| | - Dean L Pountney
- School of Medical Science, Griffith University, Southport, 4222, Australia
| | - Frédéric Moynier
- Université de Paris, Institut de Physique du Globe de Paris, CNRS, 75238, Paris, France
| | - Simon Turner
- Thermo Fisher Isotope Development Hub, Department of Earth and Environmental Sciences, Macquarie University, Sydney, NSW, 2109, Australia
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19
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Niu YY, Zhang YY, Zhu Z, Zhang XQ, Liu X, Zhu SY, Song Y, Jin X, Lindholm B, Yu C. Elevated intracellular copper contributes a unique role to kidney fibrosis by lysyl oxidase mediated matrix crosslinking. Cell Death Dis 2020; 11:211. [PMID: 32235836 PMCID: PMC7109154 DOI: 10.1038/s41419-020-2404-5] [Citation(s) in RCA: 40] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2019] [Revised: 03/11/2020] [Accepted: 03/11/2020] [Indexed: 12/17/2022]
Abstract
Copper ions play various roles in mammalian cells, presumably due to their involvement in different enzymatic reactions. Some studies indicated that serum copper correlates with fibrosis in organs, such as liver and lung. However, the mechanism is unknown. Here, we explored the role of copper in kidney fibrosis development and possible underlying mechanisms. We found that copper transporter 1 (CTR1) expression was increased in the kidney tissues in two fibrosis models and in patients with kidney fibrosis. Similar results were also found in renal tubular epithelial cells and fibroblast cells treated with transforming growth factor beta (TGF-β). Mechanistically, the upregulation of CTR1 required Smads-dependent TGF-β signaling pathway and Smad3 directly binded to the promoter of CTR1 in renal fibroblast cells using chromatin immunoprecipitation. Elevated CTR1 induced increase of copper intracellular influx. The elevated intracellular copper ions activated lysyl oxidase (LOX) to enhance the crosslinking of collagen and elastin, which then promoted kidney fibrosis. Reducing intracellular copper accumulation by knocking down CTR1 ameliorated kidney fibrosis in unilateral ureteral obstruction induced renal fibrosis model and renal fibroblast cells stimulated by TGF-β. Treatment with copper chelator tetrathiomolybdate (TM) also alleviated renal fibrosis in vivo and in vitro. In conclusion, intracellular copper accumulation plays a unique role to kidney fibrosis by activating LOX mediated collagen and elastin crosslinking. Inhibition of intracellular copper overload may be a potential portal to alleviate kidney fibrosis.
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Affiliation(s)
- Yang-Yang Niu
- Department of Nephrology, Shanghai Tongji Hospital, Tongji University School of Medicine, Shanghai, China
| | - Ying-Ying Zhang
- Department of Nephrology, Shanghai Tongji Hospital, Tongji University School of Medicine, Shanghai, China
| | - Zhi Zhu
- Terahertz Technology Innovatio, Research Institute, Shanghai Key Lab of Modern Optical System, Terahertz, Science Cooperative Innovation Center, School of Optical-Electrical Computer, Engineering, University of Shanghai for Science and Technology, Shanghai, China
| | - Xiao-Qin Zhang
- Department of Nephrology, Shanghai Tongji Hospital, Tongji University School of Medicine, Shanghai, China
| | - Xi Liu
- Department of Nephrology, Shanghai Tongji Hospital, Tongji University School of Medicine, Shanghai, China
| | - Sai-Ya Zhu
- Department of Nephrology, Shanghai Tongji Hospital, Tongji University School of Medicine, Shanghai, China
| | - Ye Song
- Department of Ultrasound, Zhoupu Hospital, Shanghai University of Medicine & Health Sciences, Shanghai, China
| | - Xian Jin
- EnnovaBio Pharmaceuticals Co., Ltd, Shanghai, China
| | - Bengt Lindholm
- Division of Renal Medicine and Baxter Novum, Department of Clinical Science, Intervention and Technology, Karolinska Institutet, Stockholm, Sweden
| | - Chen Yu
- Department of Nephrology, Shanghai Tongji Hospital, Tongji University School of Medicine, Shanghai, China.
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20
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Ting J, Mei F, Mengyao Z, Jianwen Q, Hu Z, Yong G. A novel cholesterol conjugated fluorescence probe for Cu 2+ detection and bioimaging in living cells. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2020; 227:117530. [PMID: 31703988 DOI: 10.1016/j.saa.2019.117530] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/31/2019] [Revised: 09/09/2019] [Accepted: 09/12/2019] [Indexed: 06/10/2023]
Abstract
A cholesterol conjugated fluorescence probe T was designed and synthesized. The probe T can be used for recognition of Cu2+ by the absorption spectrum, fluorescence spectrum, and naked eyes respectively in aqueous solution. The cell imaging experiments showed that the probe has good membrane permeability and a huge potentiality for the detection of Cu2+ in living cells.
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Affiliation(s)
- Jia Ting
- College of Chemistry and Materials Science, Fujian Normal University, Fuzhou, 350007, China
| | - Fu Mei
- College of Chemistry and Materials Science, Fujian Normal University, Fuzhou, 350007, China
| | - Zhang Mengyao
- College of Chemistry and Materials Science, Fujian Normal University, Fuzhou, 350007, China
| | - Qiu Jianwen
- College of Chemistry and Materials Science, Fujian Normal University, Fuzhou, 350007, China
| | - Zhu Hu
- College of Chemistry and Materials Science, Fujian Normal University, Fuzhou, 350007, China; Fujian Provincial University Engineering Research Center of Industrial Biocatalysis, Fujian Normal University, Fuzhou, 350117, China
| | - Gao Yong
- College of Chemistry and Materials Science, Fujian Normal University, Fuzhou, 350007, China; Fujian Provincial University Engineering Research Center of Industrial Biocatalysis, Fujian Normal University, Fuzhou, 350117, China.
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21
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Andersen MK, Krossa S, Høiem TS, Buchholz R, Claes BSR, Balluff B, Ellis SR, Richardsen E, Bertilsson H, Heeren RMA, Bathen TF, Karst U, Giskeødegård GF, Tessem MB. Simultaneous Detection of Zinc and Its Pathway Metabolites Using MALDI MS Imaging of Prostate Tissue. Anal Chem 2020; 92:3171-3179. [PMID: 31944670 PMCID: PMC7584334 DOI: 10.1021/acs.analchem.9b04903] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
![]()
Levels
of zinc, along with its mechanistically related metabolites citrate
and aspartate, are widely reported as reduced in prostate cancer compared
to healthy tissue and are therefore pointed out as potential cancer
biomarkers. Previously, it has only been possible to analyze zinc
and metabolites by separate detection methods. Through matrix-assisted
laser desorption/ionization mass spectrometry imaging (MSI), we were
for the first time able to demonstrate, in two different sample sets
(n = 45 and n = 4), the simultaneous
spatial detection of zinc, in the form of ZnCl3–, together with citrate, aspartate, and N-acetylaspartate
on human prostate cancer tissues. The reliability of the ZnCl3– detection was validated by total zinc
determination using laser ablation inductively coupled plasma MSI
on adjacent serial tissue sections. Zinc, citrate, and aspartate were
correlated with each other (range r = 0.46 to 0.74)
and showed a significant reduction in cancer compared to non-cancer
epithelium (p < 0.05, log2 fold change
range: −0.423 to −0.987), while no significant difference
between cancer and stroma tissue was found. Simultaneous spatial detection
of zinc and its metabolites is not only a valuable tool for analyzing
the role of zinc in prostate metabolism but might also provide a fast
and simple method to detect zinc, citrate, and aspartate levels as
a biomarker signature for prostate cancer diagnostics and prognostics.
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Affiliation(s)
- Maria K Andersen
- Department of Circulation and Medical Imaging , Norwegian University of Science and Technology (NTNU) , 7491 Trondheim , Norway
| | - Sebastian Krossa
- Department of Circulation and Medical Imaging , Norwegian University of Science and Technology (NTNU) , 7491 Trondheim , Norway
| | - Therese S Høiem
- Department of Circulation and Medical Imaging , Norwegian University of Science and Technology (NTNU) , 7491 Trondheim , Norway
| | - Rebecca Buchholz
- Institute of Inorganic and Analytical Chemistry , University of Münster , D-48149 Münster , Germany
| | - Britt S R Claes
- Maastricht MultiModal Molecular Imaging Institute (M4I) , Maastricht University , 6229 ER Maastricht , The Netherlands
| | - Benjamin Balluff
- Maastricht MultiModal Molecular Imaging Institute (M4I) , Maastricht University , 6229 ER Maastricht , The Netherlands
| | - Shane R Ellis
- Maastricht MultiModal Molecular Imaging Institute (M4I) , Maastricht University , 6229 ER Maastricht , The Netherlands
| | - Elin Richardsen
- Department of Medical Biology , The Arctic University of Norway (UIT) , 9037 Tromsø , Norway.,Department of Clinical Pathology , University Hospital of North Norway, UNN , 9019 Tromsø , Norway
| | - Helena Bertilsson
- Department of Clinical and Molecular Medicine , Norwegian University of Science and Technology (NTNU) , 7491 Trondheim , Norway.,Clinic of Surgery, St. Olavs Hospital , Trondheim University Hospital , 7030 Trondheim , Norway
| | - Ron M A Heeren
- Maastricht MultiModal Molecular Imaging Institute (M4I) , Maastricht University , 6229 ER Maastricht , The Netherlands
| | - Tone F Bathen
- Department of Circulation and Medical Imaging , Norwegian University of Science and Technology (NTNU) , 7491 Trondheim , Norway
| | - Uwe Karst
- Institute of Inorganic and Analytical Chemistry , University of Münster , D-48149 Münster , Germany
| | - Guro F Giskeødegård
- Department of Circulation and Medical Imaging , Norwegian University of Science and Technology (NTNU) , 7491 Trondheim , Norway
| | - May-Britt Tessem
- Department of Circulation and Medical Imaging , Norwegian University of Science and Technology (NTNU) , 7491 Trondheim , Norway.,Clinic of Surgery, St. Olavs Hospital , Trondheim University Hospital , 7030 Trondheim , Norway
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22
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Calibration strategies for elemental analysis of biological samples by LA-ICP-MS and LIBS – A review. Anal Bioanal Chem 2019; 412:27-36. [DOI: 10.1007/s00216-019-02195-1] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2019] [Revised: 09/27/2019] [Accepted: 10/07/2019] [Indexed: 12/16/2022]
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23
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An Innovative Platform Merging Elemental Analysis and Ftir Imaging for Breast Tissue Analysis. Sci Rep 2019; 9:9854. [PMID: 31285452 PMCID: PMC6614471 DOI: 10.1038/s41598-019-46056-4] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2018] [Accepted: 06/17/2019] [Indexed: 12/16/2022] Open
Abstract
Histopathology and immunohistology remain the gold standard for breast cancer diagnostic. Yet, these approaches do not usually provide a sufficiently detailed characterization of the pathology. The purpose of this work is to demonstrate for the first time that elemental analysis and Fourier transform infrared spectroscopy microscopic examination of breast tissue sections can be merged into one dataset to provide a single set of markers based on both organic molecules and inorganic trace elements. For illustrating the method, 6 mammary tissue sections were used. Fourier transform infrared (FTIR) spectroscopy images reported a fingerprint of the organic molecules present in the tissue section and laser ablation elemental analysis (LA-ICP-MS) images brought inorganic element profiles. The 6 tissue sections provided 31 106 and 150,000 spectra for FTIR and LA-ICP-MS spectra respectively. The results bring the proof of concept that breast tissue can be analyzed simultaneously by FTIR spectroscopy and laser ablation elemental analysis (LA-ICP-MS) to provide in both case reasonably high resolution images. We show how to bring the images obtained by the two methods to a same spatial resolution and how to use image registration to analyze the data originating from both techniques as one block of data. We finally demonstrates the elemental analysis is orthogonal to all FTIR markers as no significant correlation is found between FTIR and LA-ICP-MS data. Combining FTIR and LA-ICP-MS imaging becomes possible, providing two orthogonal methods which can bring an unprecedented diversity of information on the tissue. This opens a new avenue of tissue section analyses providing unprecedented diagnostic potential.
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24
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Laser ablation ICP-MS for simultaneous quantitative imaging of iron and ferroportin in hippocampus of human brain tissues with Alzheimer's disease. Talanta 2019; 197:413-421. [PMID: 30771955 DOI: 10.1016/j.talanta.2019.01.056] [Citation(s) in RCA: 46] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2018] [Revised: 01/11/2019] [Accepted: 01/14/2019] [Indexed: 11/23/2022]
Abstract
Laser ablation inductively coupled plasma - mass spectrometry (LA-ICP-MS) is proposed for a better understanding of metals and proteins distribution in micrometre structures of human brain tissues. Simultaneous absolute quantitative imaging of Fe and ferroportin (FPN), in 5 µm thick tissue sections of the stratum pyramidale of hippocampus CA1 region, was carried out for Alzheimer disease (AD) patients and healthy controls (HC). For the imaging of FPN by LA-ICP-MS, antibodies were labelled via carbodiimide crosslinking with fluorescent gold nanoclusters (AuNCs) of 2.2 nm diameter, enabling a high amplification (314 gold atoms per NC). Laboratory made gelatin standards containing Fe and Au were used for LA-ICP-MS calibration. Results showed that iron presents an increased concentration in AD donors compared with HC donors, whereas similar concentrations of FPN in AD donors with respect to HC donors were obtained. The average absolute FPN concentrations in selected areas obtained with the proposed AuNCs method were compared with the levels obtained by densitometric analysis with a traditional IHC approach, observing a similar trend in all cases.
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25
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Grasso G. Mass spectrometry is a multifaceted weapon to be used in the battle against Alzheimer's disease: Amyloid beta peptides and beyond. MASS SPECTROMETRY REVIEWS 2019; 38:34-48. [PMID: 29905953 DOI: 10.1002/mas.21566] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/07/2018] [Accepted: 03/09/2018] [Indexed: 06/08/2023]
Abstract
Amyloid-β peptide (Aβ) accumulation and aggregation have been considered for many years the main cause of Alzheimer's disease (AD), and therefore have been the principal target of investigation as well as of the proposed therapeutic approaches (Grasso [2011] Mass Spectrom Rev. 30: 347-365). However, the amyloid cascade hypothesis, which considers Aβ accumulation the only causative agent of the disease, has proven to be incomplete if not wrong. In recent years, actors such as metal ions, oxidative stress, and other cofactors have been proposed as possible co-agents or, in some cases, main causative factors of AD. In this scenario, MS investigation has proven to be fundamental to design possible diagnostic strategies of this elusive disease, as well as to understand the biomolecular mechanisms involved, in the attempt to find a possible therapeutic solution. We review the current applications of MS in the search for possible Aβ biomarkers of AD to help the diagnosis of the disease. Recent examples of the important contributions that MS has given to prove or build theories on the molecular pathways involved with such terrible disease are also reviewed.
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Affiliation(s)
- Giuseppe Grasso
- Department of Chemical Sciences, University of Catania, Catania, Italy
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26
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Lobo L, Pereiro R, Fernández B. Opportunities and challenges of isotopic analysis by laser ablation ICP-MS in biological studies. Trends Analyt Chem 2018. [DOI: 10.1016/j.trac.2018.05.020] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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27
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Bauer OB, Köppen C, Sperling M, Schurek HJ, Ciarimboli G, Karst U. Quantitative Bioimaging of Platinum via Online Isotope Dilution-Laser Ablation-Inductively Coupled Plasma Mass Spectrometry. Anal Chem 2018; 90:7033-7039. [PMID: 29741357 DOI: 10.1021/acs.analchem.8b01429] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
A new calibration strategy for elemental bioimaging based on online isotope dilution analysis (IDA) and laser ablation-inductively coupled plasma mass spectrometry (LA-ICPMS) was developed and applied for the quantification of platinum in rat kidney tissues. A dry 194Pt spike aerosol was added in a post-cell setup, and the natural 194Pt/195Pt isotope ratio of the sample aerosol from laser ablation was changed accordingly. Spike mass flow determination was carried out based on reversed IDA using a reference standard. Quantitative data obtained by the new approach correlated well with those obtained by external calibration when analyzing parallel tissue slices of rat kidney from cisplatin perfusion studies. The novel quantification approach is traceable to SI units, as IDA is an definitive method. Signal drifts are compensated as the second isotope acts as an internal standard.
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Affiliation(s)
- Oliver Bolle Bauer
- Westfälische Wilhelms-Universität Münster , Institute of Inorganic and Analytical Chemistry , Corrensstraße 30 , 48149 Münster , Germany
| | - Christina Köppen
- Westfälische Wilhelms-Universität Münster , Institute of Inorganic and Analytical Chemistry , Corrensstraße 30 , 48149 Münster , Germany
| | - Michael Sperling
- Westfälische Wilhelms-Universität Münster , Institute of Inorganic and Analytical Chemistry , Corrensstraße 30 , 48149 Münster , Germany.,European Virtual Institute for Speciation Analysis (EVISA) , Mendelstraße 11 , 48149 Münster , Germany
| | - Hans-Joachim Schurek
- Department of Experimental Nephrology , University Hospital of Münster , Albert-Schweitzer-Campus 1 , 48149 Münster , Germany
| | - Giuliano Ciarimboli
- Department of Experimental Nephrology , University Hospital of Münster , Albert-Schweitzer-Campus 1 , 48149 Münster , Germany
| | - Uwe Karst
- Westfälische Wilhelms-Universität Münster , Institute of Inorganic and Analytical Chemistry , Corrensstraße 30 , 48149 Münster , Germany
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