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Wang G, Wang JJ, Xu XN, Shi F, Fu XL. Targeting cellular energy metabolism- mediated ferroptosis by small molecule compounds for colorectal cancer therapy. J Drug Target 2022; 30:819-832. [PMID: 35481396 DOI: 10.1080/1061186x.2022.2071909] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
Alterations in cellular energy metabolism, including glycolysis, glutamine and lipid metabolism that affects ferroptosis in the tumour microenvironment (TME), play a critical role in the development and progression of colorectal cancer (CRC) and offer evolutionary advantages to tumour cells and even enhance their aggressive phenotype. This review summarises the findings on the dysregulated energy metabolism pathways, including lipid and fatty acid metabolism especially for regulating the ferroptosis in TME. Moreover, the cellular energy metabolism and tumour ferroptosis to be regulated by small molecule compounds, which targeting the different aspects of metabolic pathways of energy production as well as metabolic enzymes that connect with the tumour cell growth and ferroptosis in CRC are also discussed. In this review, we will provide a comprehensive summary on small molecule compounds regulatory function of different energy metabolic routes on ferroptosis in tumour cells and discuss those metabolic vulnerabilities for the development of potential ferroptosis-based tumour therapies for colorectal cancer.
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Affiliation(s)
- Gang Wang
- Department of Pharmaceutics, Shanghai Eighth People's Hospital, Jiangsu University, Shanghai, China
| | - Jun-Jie Wang
- Department of Pharmaceutics, Shanghai Eighth People's Hospital, Jiangsu University, Shanghai, China
| | - Xiao-Na Xu
- Department of Medicine, Jiangsu University, Zhenjiang City, China
| | - Feng Shi
- Department of Medicine, Jiangsu University, Zhenjiang City, China
| | - Xing-Li Fu
- Department of Medicine, Jiangsu University, Zhenjiang City, China
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Abstract
Metabolomics is a powerful tool that can systematically describe global changes in the metabolome of microbes, thus improving our understanding of the mechanisms of action of antibiotics and facilitating the development of next-generation antibacterial therapies. However, current sample preparation methods are not efficient or reliable for studying the effects of antibiotics on microbes. In the present study, we reported a novel sample preparation approach using cold methanol/ethylene glycol for quenching Escherichia coli, thus overcoming the loss of intracellular metabolites caused by cell membrane damage. After evaluating the extraction efficiency of several extraction methods, we employed the optimized workflow to profile the metabolome of E. coli exposed to cephalexin. In doing so, we proved the utility of the proposed approach and provided insights into the comprehensive metabolic alterations associated with antibiotic treatment. IMPORTANCE The emergence and global spread of multidrug-resistant bacteria and genes are a global problem. It is critical to understand the interactions between antibiotics and bacteria and find alternative treatments for infections when we are moving closer to a postantibiotic era. It has been demonstrated that the bacterial metabolic environment plays an important role in the modulation of antibiotic susceptibility and efficacy. In the present study, we proposed a novel metabolomic approach for intracellular metabolite profiling of E. coli, which can be used to investigate the metabolite alterations of bacteria caused by antibiotic treatment. Further understanding of antibiotic-induced perturbations of bacterial metabolism would facilitate the discovery of new therapeutic targets and pathways.
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Serafini A. Interplay between central carbon metabolism and metal homeostasis in mycobacteria and other human pathogens. MICROBIOLOGY (READING, ENGLAND) 2021; 167. [PMID: 34080971 DOI: 10.1099/mic.0.001060] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Bacterial nutrition is a fundamental aspect of pathogenesis. While the host environment is in principle nutrient-rich, hosts have evolved strategies to interfere with nutrient acquisition by pathogens. In turn, pathogens have developed mechanisms to circumvent these restrictions. Changing the availability of bioavailable metal ions is a common strategy used by hosts to limit bacterial replication. Macrophages and neutrophils withhold iron, manganese, and zinc ions to starve bacteria. Alternatively, they can release manganese, zinc, and copper ions to intoxicate microorganisms. Metals are essential micronutrients and participate in catalysis, macromolecular structure, and signalling. This review summarises our current understanding of how central carbon metabolism in pathogens adapts to local fluctuations in free metal ion concentrations. We focus on the transcriptomics and proteomics data produced in studies of the iron-sparing response in Mycobacterium tuberculosis, the etiological agent of tuberculosis, and consequently generate a hypothetical model linking trehalose accumulation, succinate secretion and substrate-level phosphorylation in iron-starved M. tuberculosis. This review also aims to highlight a large gap in our knowledge of pathogen physiology: the interplay between metal homeostasis and central carbon metabolism, two cellular processes which are usually studied separately. Integrating metabolism and metal biology would allow the discovery of new weaknesses in bacterial physiology, leading to the development of novel and improved antibacterial therapies.
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Affiliation(s)
- Agnese Serafini
- Independent researcher 00012 Guidonia Montecelio, Rome, Italy
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Wang G, Yu Y, Wang YZ, Zhu ZM, Yin PH, Xu K. Effects and mechanisms of fatty acid metabolism‑mediated glycolysis regulated by betulinic acid‑loaded nanoliposomes in colorectal cancer. Oncol Rep 2020; 44:2595-2609. [PMID: 33125108 PMCID: PMC7640364 DOI: 10.3892/or.2020.7787] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2019] [Accepted: 06/03/2020] [Indexed: 01/05/2023] Open
Abstract
Although previous studies have demonstrated that triterpenoids, such as betulinic acid (BA), can inhibit tumor cell growth, their potential targets in colorectal cancer (CRC) metabolism have not been systematically investigated. In the present study, BA‑loaded nanoliposomes (BA‑NLs) were prepared, and their effects on CRC cell lines were evaluated. The aim of the present study was to determine the anticancer mechanisms of action of BA‑NLs in fatty acid metabolism‑mediated glycolysis, and investigate the role of key targets, such as acyl‑CoA synthetase (ACSL), carnitine palmitoyltransferase (CPT) and acetyl CoA, in promoting glycolysis, which is activated by inducing hexokinase (HK), phosphofructokinase‑1 (PFK‑1), phosphoenolpyruvate (PEP) and pyruvate kinase (PK) expression. The results demonstrated that BA‑NLs significantly suppressed the proliferation and glucose uptake of CRC cells by regulating potential glycolysis and fatty acid metabolism targets and pathways, which forms the basis of the anti‑CRC function of BA‑NLs. Moreover, the effects of BA‑NLs were further validated by demonstrating that the key targets of HK2, PFK‑1, PEP and PK isoenzyme M2 (PKM2) in glycolysis, and of ACSL1, CPT1a and PEP in fatty acid metabolism, were blocked by BA‑NLs, which play key roles in the inhibition of glycolysis and fatty acid‑mediated production of pyruvate and lactate. The results of the present study may provide a deeper understanding supporting the hypothesis that liposomal BA may regulate alternative metabolic pathways implicated in CRC adjuvant therapy.
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Affiliation(s)
- Gang Wang
- Department of Pharmaceutics, Shanghai Eighth People's Hospital, Jiangsu University, Shanghai 200235, P.R. China
| | - Yang Yu
- Jiangsu University School of Pharmacy, Zhenjiang, Jiangsu 212001, P.R. China
| | - Yu-Zhu Wang
- Jiangsu University School of Pharmacy, Zhenjiang, Jiangsu 212001, P.R. China
| | - Zhi-Min Zhu
- Department of Pharmaceutics, Shanghai Eighth People's Hospital, Jiangsu University, Shanghai 200235, P.R. China
| | - Pei-Hao Yin
- Putuo Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 200062, P.R. China
| | - Ke Xu
- Putuo Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 200062, P.R. China
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5
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Harnessing microbial metabolomics for industrial applications. World J Microbiol Biotechnol 2019; 36:1. [DOI: 10.1007/s11274-019-2775-x] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2019] [Accepted: 11/21/2019] [Indexed: 10/25/2022]
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Cinquemani E, Laroute V, Cocaign-Bousquet M, de Jong H, Ropers D. Estimation of time-varying growth, uptake and excretion rates from dynamic metabolomics data. Bioinformatics 2018; 33:i301-i310. [PMID: 28881984 PMCID: PMC5870603 DOI: 10.1093/bioinformatics/btx250] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023] Open
Abstract
Motivation Technological advances in metabolomics have made it possible to monitor the concentration of extracellular metabolites over time. From these data, it is possible to compute the rates of uptake and excretion of the metabolites by a growing cell population, providing precious information on the functioning of intracellular metabolism. The computation of the rate of these exchange reactions, however, is difficult to achieve in practice for a number of reasons, notably noisy measurements, correlations between the concentration profiles of the different extracellular metabolites, and discontinuties in the profiles due to sudden changes in metabolic regime. Results We present a method for precisely estimating time-varying uptake and excretion rates from time-series measurements of extracellular metabolite concentrations, specifically addressing all of the above issues. The estimation problem is formulated in a regularized Bayesian framework and solved by a combination of extended Kalman filtering and smoothing. The method is shown to improve upon methods based on spline smoothing of the data. Moreover, when applied to two actual datasets, the method recovers known features of overflow metabolism in Escherichia coli and Lactococcus lactis, and provides evidence for acetate uptake by L. lactis after glucose exhaustion. The results raise interesting perspectives for further work on rate estimation from measurements of intracellular metabolites. Availability and implementation The Matlab code for the estimation method is available for download at https://team.inria.fr/ibis/rate-estimation-software/, together with the datasets. Supplementary information Supplementary data are available at Bioinformatics online.
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Affiliation(s)
| | - Valérie Laroute
- LISBP, Université de Toulouse, CNRS, INRA, INSA, Toulouse, France
| | | | - Hidde de Jong
- Inria, Centre de Recherche Grenoble - Rhône-Alpes, Montbonnot, France
| | - Delphine Ropers
- Inria, Centre de Recherche Grenoble - Rhône-Alpes, Montbonnot, France
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Rabe KS, Müller J, Skoupi M, Niemeyer CM. Cascades in Compartments: En Route to Machine-Assisted Biotechnology. Angew Chem Int Ed Engl 2017; 56:13574-13589. [DOI: 10.1002/anie.201703806] [Citation(s) in RCA: 115] [Impact Index Per Article: 16.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2017] [Indexed: 11/05/2022]
Affiliation(s)
- Kersten S. Rabe
- Chair of Chemical Biology; Karlsruher Institut für Technologie, KIT, Institut für Biologsiche Grenzflächen 1, IBG-I; Herrmann-von-Helmholtz Platz 1, Campus Nord Eggenstein-Leopoldshafen 76344 Germany
| | - Joachim Müller
- Chair of Chemical Biology; Karlsruher Institut für Technologie, KIT, Institut für Biologsiche Grenzflächen 1, IBG-I; Herrmann-von-Helmholtz Platz 1, Campus Nord Eggenstein-Leopoldshafen 76344 Germany
| | - Marc Skoupi
- Chair of Chemical Biology; Karlsruher Institut für Technologie, KIT, Institut für Biologsiche Grenzflächen 1, IBG-I; Herrmann-von-Helmholtz Platz 1, Campus Nord Eggenstein-Leopoldshafen 76344 Germany
| | - Christof M. Niemeyer
- Chair of Chemical Biology; Karlsruher Institut für Technologie, KIT, Institut für Biologsiche Grenzflächen 1, IBG-I; Herrmann-von-Helmholtz Platz 1, Campus Nord Eggenstein-Leopoldshafen 76344 Germany
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Rabe KS, Müller J, Skoupi M, Niemeyer CM. Kaskaden in Kompartimenten: auf dem Weg zu maschinengestützter Biotechnologie. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201703806] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Kersten S. Rabe
- Chair of Chemical Biology; Karlsruher Institut für Technologie, KIT, Institut für Biologische Grenzflächen 1, IBG-I; Herrmann-von-Helmholtz Platz 1, Campus Nord Eggenstein-Leopoldshafen 76344 Deutschland
| | - Joachim Müller
- Chair of Chemical Biology; Karlsruher Institut für Technologie, KIT, Institut für Biologische Grenzflächen 1, IBG-I; Herrmann-von-Helmholtz Platz 1, Campus Nord Eggenstein-Leopoldshafen 76344 Deutschland
| | - Marc Skoupi
- Chair of Chemical Biology; Karlsruher Institut für Technologie, KIT, Institut für Biologische Grenzflächen 1, IBG-I; Herrmann-von-Helmholtz Platz 1, Campus Nord Eggenstein-Leopoldshafen 76344 Deutschland
| | - Christof M. Niemeyer
- Chair of Chemical Biology; Karlsruher Institut für Technologie, KIT, Institut für Biologische Grenzflächen 1, IBG-I; Herrmann-von-Helmholtz Platz 1, Campus Nord Eggenstein-Leopoldshafen 76344 Deutschland
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Guder JC, Schramm T, Sander T, Link H. Time-Optimized Isotope Ratio LC–MS/MS for High-Throughput Quantification of Primary Metabolites. Anal Chem 2017; 89:1624-1631. [DOI: 10.1021/acs.analchem.6b03731] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Jan Christopher Guder
- Max Planck Institute for Terrestrial Microbiology, Karl-von-Frisch-Strasse 16, 35043 Marburg, Germany
| | - Thorben Schramm
- Max Planck Institute for Terrestrial Microbiology, Karl-von-Frisch-Strasse 16, 35043 Marburg, Germany
| | - Timur Sander
- Max Planck Institute for Terrestrial Microbiology, Karl-von-Frisch-Strasse 16, 35043 Marburg, Germany
| | - Hannes Link
- Max Planck Institute for Terrestrial Microbiology, Karl-von-Frisch-Strasse 16, 35043 Marburg, Germany
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Patejko M, Jacyna J, Markuszewski MJ. Sample preparation procedures utilized in microbial metabolomics: An overview. J Chromatogr B Analyt Technol Biomed Life Sci 2016; 1043:150-157. [PMID: 27693061 DOI: 10.1016/j.jchromb.2016.09.029] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2016] [Revised: 09/17/2016] [Accepted: 09/21/2016] [Indexed: 10/21/2022]
Abstract
Bacteria are remarkably diverse in terms of their size, structure and biochemical properties. Due to this fact, it is hard to develop a universal method for handling bacteria cultures during metabolomic analysis. The choice of suitable processing methods constitutes a key element in any analysis, because only appropriate selection of procedures may provide accurate results, leading to reliable conclusions. Because of that, every analytical experiment concerning bacteria requires individually and very carefully planned research methodology. Although every study varies in terms of sample preparation, there are few general steps to follow while planning experiment, like sampling, separation of cells from growth medium, stopping their metabolism and extraction. As a result of extraction, all intracellular metabolites should be washed out from cell environment. What is more, extraction method utilized cannot cause any chemical decomposition or degradation of the metabolome. Furthermore, chosen extraction method should correlate with analytical technique, so it will not disturb or prolong following sample preparation steps. For those reasons, we observe a need to summarize sample preparation procedures currently utilized in microbial metabolomic studies. In the presented overview, papers concerning analysis of extra- and intracellular metabolites, published over the last decade, have been discussed. Presented work gives some basic guidelines that might be useful while planning experiments in microbial metabolomics.
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Affiliation(s)
- Małgorzata Patejko
- Medical University of Gdańsk, Department of Biopharmaceutics and Pharmacodynamics, Al. Gen. J. Hallera 107, 80-416 Gdańsk, Poland
| | - Julia Jacyna
- Medical University of Gdańsk, Department of Biopharmaceutics and Pharmacodynamics, Al. Gen. J. Hallera 107, 80-416 Gdańsk, Poland
| | - Michał J Markuszewski
- Medical University of Gdańsk, Department of Biopharmaceutics and Pharmacodynamics, Al. Gen. J. Hallera 107, 80-416 Gdańsk, Poland.
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