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Pereira-Vieira J, Weber DD, Silva S, Barbosa-Matos C, Granja S, Reis RM, Queirós O, Ko YH, Kofler B, Casal M, Baltazar F. Glucose Metabolism as a Potential Therapeutic Target in Cytarabine-Resistant Acute Myeloid Leukemia. Pharmaceutics 2024; 16:442. [PMID: 38675105 PMCID: PMC11055074 DOI: 10.3390/pharmaceutics16040442] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2024] [Revised: 03/19/2024] [Accepted: 03/19/2024] [Indexed: 04/28/2024] Open
Abstract
Altered glycolytic metabolism has been associated with chemoresistance in acute myeloid leukemia (AML). However, there are still aspects that need clarification, as well as how to explore these metabolic alterations in therapy. In the present study, we aimed to elucidate the role of glucose metabolism in the acquired resistance of AML cells to cytarabine (Ara-C) and to explore it as a therapeutic target. Resistance was induced by stepwise exposure of AML cells to increasing concentrations of Ara-C. Ara-C-resistant cells were characterized for their growth capacity, genetic alterations, metabolic profile, and sensitivity to different metabolic inhibitors. Ara-C-resistant AML cell lines, KG-1 Ara-R, and MOLM13 Ara-R presented different metabolic profiles. KG-1 Ara-R cells exhibited a more pronounced glycolytic phenotype than parental cells, with a weaker acute response to 3-bromopyruvate (3-BP) but higher sensitivity after 48 h. KG-1 Ara-R cells also display increased respiration rates and are more sensitive to phenformin than parental cells. On the other hand, MOLM13 Ara-R cells display a glucose metabolism profile similar to parental cells, as well as sensitivity to glycolytic inhibitors. These results indicate that acquired resistance to Ara-C in AML may involve metabolic adaptations, which can be explored therapeutically in the AML patient setting who developed resistance to therapy.
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Affiliation(s)
- Joana Pereira-Vieira
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Campus of Gualtar, 4710-057 Braga, Portugal; (J.P.-V.); (C.B.-M.); (S.G.); (R.M.R.)
- ICVS/3B’s—PT Government Associate Laboratory, Braga/Guimarães, Portugal
| | - Daniela D. Weber
- Research Program for Receptor Biochemistry and Tumor Metabolism, Department of Pediatrics, University Hospital of the Paracelsus Medical University, 5020 Salzburg, Austria; (D.D.W.); (B.K.)
| | - Sâmia Silva
- Molecular Oncology Research Center, Barretos Cancer Hospital, Barretos 14784-400, SP, Brazil;
| | - Catarina Barbosa-Matos
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Campus of Gualtar, 4710-057 Braga, Portugal; (J.P.-V.); (C.B.-M.); (S.G.); (R.M.R.)
- ICVS/3B’s—PT Government Associate Laboratory, Braga/Guimarães, Portugal
| | - Sara Granja
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Campus of Gualtar, 4710-057 Braga, Portugal; (J.P.-V.); (C.B.-M.); (S.G.); (R.M.R.)
- ICVS/3B’s—PT Government Associate Laboratory, Braga/Guimarães, Portugal
- Department of Pathological, Cytological and Thanatological Anatomy, ESS|P.PORTO, 4200-072 Porto, Portugal
- REQUIMTE/LAQV, Escola Superior de Saúde, Instituto Politécnico do Porto, Rua Dr. António Bernardino de Almeida, 4200-072 Porto, Portugal
| | - Rui Manuel Reis
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Campus of Gualtar, 4710-057 Braga, Portugal; (J.P.-V.); (C.B.-M.); (S.G.); (R.M.R.)
- ICVS/3B’s—PT Government Associate Laboratory, Braga/Guimarães, Portugal
- Molecular Oncology Research Center, Barretos Cancer Hospital, Barretos 14784-400, SP, Brazil;
| | - Odília Queirós
- UNIPRO—Oral Pathology and Rehabilitation Research Unit, University Institute of Health Sciences, CESPU, CRL, 4585-116 Gandra, Portugal;
| | - Young H. Ko
- KoDiscovery, LLC, Institute of Marine and Environmental Technology (IMET) Center, 701 East Pratt Street, Baltimore, MD 21202, USA;
| | - Barbara Kofler
- Research Program for Receptor Biochemistry and Tumor Metabolism, Department of Pediatrics, University Hospital of the Paracelsus Medical University, 5020 Salzburg, Austria; (D.D.W.); (B.K.)
| | - Margarida Casal
- Center of Molecular and Environmental Biology (CBMA), University of Minho, 4710-057 Braga, Portugal
| | - Fátima Baltazar
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Campus of Gualtar, 4710-057 Braga, Portugal; (J.P.-V.); (C.B.-M.); (S.G.); (R.M.R.)
- ICVS/3B’s—PT Government Associate Laboratory, Braga/Guimarães, Portugal
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Orozco-Moreno M, Visser EA, Hodgson K, Hipgrave Ederveen AL, Bastian K, Goode EA, Öztürk Ö, Pijnenborg JFA, Eerden N, Moons SJ, Rossing E, Wang N, de Haan N, Büll C, Boltje TJ, Munkley J. Targeting aberrant sialylation and fucosylation in prostate cancer cells using potent metabolic inhibitors. Glycobiology 2023; 33:1155-1171. [PMID: 37847613 PMCID: PMC10876042 DOI: 10.1093/glycob/cwad085] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2023] [Revised: 10/09/2023] [Accepted: 10/14/2023] [Indexed: 10/19/2023] Open
Abstract
Aberrant glycosylation is a hallmark of cancer and is not just a consequence, but also a driver of a malignant phenotype. In prostate cancer, changes in fucosylated and sialylated glycans are common and this has important implications for tumor progression, metastasis, and immune evasion. Glycans hold huge translational potential and new therapies targeting tumor-associated glycans are currently being tested in clinical trials for several tumor types. Inhibitors targeting fucosylation and sialylation have been developed and show promise for cancer treatment, but translational development is hampered by safety issues related to systemic adverse effects. Recently, potent metabolic inhibitors of sialylation and fucosylation were designed that reach higher effective concentrations within the cell, thereby rendering them useful tools to study sialylation and fucosylation as potential candidates for therapeutic testing. Here, we investigated the effects of global metabolic inhibitors of fucosylation and sialylation in the context of prostate cancer progression. We find that these inhibitors effectively shut down the synthesis of sialylated and fucosylated glycans to remodel the prostate cancer glycome with only minor apparent side effects on other glycan types. Our results demonstrate that treatment with inhibitors targeting fucosylation or sialylation decreases prostate cancer cell growth and downregulates the expression of genes and proteins important in the trajectory of disease progression. We anticipate our findings will lead to the broader use of metabolic inhibitors to explore the role of fucosylated and sialylated glycans in prostate tumor pathology and may pave the way for the development of new therapies for prostate cancer.
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Affiliation(s)
- Margarita Orozco-Moreno
- Newcastle University Centre for Cancer, Newcastle University Institute of Biosciences, Central Parkway, Newcastle-upon-Tyne, Tyne and Wear NE1 3BZ, United Kingdom
| | - Eline A Visser
- Synthetic Organic Chemistry, Institute for Molecules and Materials, Radboud University Nijmegen, Toernooiveld 1, 6525 ED Nijmegen, The Netherlands
| | - Kirsty Hodgson
- Newcastle University Centre for Cancer, Newcastle University Institute of Biosciences, Central Parkway, Newcastle-upon-Tyne, Tyne and Wear NE1 3BZ, United Kingdom
| | - Agnes L Hipgrave Ederveen
- Center for Proteomics and Metabolomics, Leiden University Medical Center, Albinusdreef 2, 2333 ZA Leiden, The Netherlands
| | - Kayla Bastian
- Newcastle University Centre for Cancer, Newcastle University Institute of Biosciences, Central Parkway, Newcastle-upon-Tyne, Tyne and Wear NE1 3BZ, United Kingdom
| | - Emily Archer Goode
- Newcastle University Centre for Cancer, Newcastle University Institute of Biosciences, Central Parkway, Newcastle-upon-Tyne, Tyne and Wear NE1 3BZ, United Kingdom
| | - Özden Öztürk
- Synthetic Organic Chemistry, Institute for Molecules and Materials, Radboud University Nijmegen, Toernooiveld 1, 6525 ED Nijmegen, The Netherlands
| | | | - Nienke Eerden
- Synthetic Organic Chemistry, Institute for Molecules and Materials, Radboud University Nijmegen, Toernooiveld 1, 6525 ED Nijmegen, The Netherlands
- GlycoTherapeutics B.V., Toernooiveld 1, 6525 ED Nijmegen, The Netherlands
| | - Sam J Moons
- Synvenio B.V., Toernooiveld 1, 6525 ED Nijmegen, The Netherlands
| | - Emiel Rossing
- Synthetic Organic Chemistry, Institute for Molecules and Materials, Radboud University Nijmegen, Toernooiveld 1, 6525 ED Nijmegen, The Netherlands
| | - Ning Wang
- The Mellanby Centre for Musculoskeletal Research, Department of Oncology and Metabolism, The University of Sheffield, Medical School, Beech Hill Rd, Sheffield, Yorkshire S10 2RX, United Kingdom
| | - Noortje de Haan
- Center for Proteomics and Metabolomics, Leiden University Medical Center, Albinusdreef 2, 2333 ZA Leiden, The Netherlands
| | - Christian Büll
- Biomolecular Chemistry, Institute for Molecules and Materials, Radboud University Nijmegen, Heyendaalseweg 135, 6525 AJ Nijmegen, The Netherlands
| | - Thomas J Boltje
- Synthetic Organic Chemistry, Institute for Molecules and Materials, Radboud University Nijmegen, Toernooiveld 1, 6525 ED Nijmegen, The Netherlands
| | - Jennifer Munkley
- Newcastle University Centre for Cancer, Newcastle University Institute of Biosciences, Central Parkway, Newcastle-upon-Tyne, Tyne and Wear NE1 3BZ, United Kingdom
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Singh N, Mudassir M, Ansari S, Chosdol K, Sinha S, Chattopadhyay P. Poly(lactic-co-glycolic) acid nanoparticles localize in vesicles after diffusing into cells and are retained by intracellular traffic modulators. Nanomedicine (Lond) 2023; 18:1907-1919. [PMID: 38078434 DOI: 10.2217/nnm-2023-0139] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2023] Open
Abstract
Aim: We investigated our previous finding of increased retention of poly(lactic-co-glycolic) acid nanoparticles (PLGA-NPs) with metabolic inhibitors (MI) and studied the effect of some small molecule inhibitors on PLGA-NP assimilation. Materials & methods: Intracellular PLGA-NP colocalization in the presence of MI was investigated by confocal microscopy. Intracellular retention of PLGA-NPs by some small molecules was estimated by fluorescence microscopy and flow cytometry after Pulse/Chase experiments. Results: MI caused PLGA-NP colocalization in intracellular membranous structures, mainly endosomes and lysosomes. Some small molecule inhibitors demonstrated increased intracellular PLGA-NP accumulation. Conclusion: This study elucidates the movement of PLGA-NP in cells and suggests that clinically used small molecules can reduce their extrusion by enhancing their stay within intracellular vesicles, with possible clinically beneficial consequences.
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Affiliation(s)
- Neha Singh
- Department of Biochemistry, All India Institute of Medical Sciences, New Delhi, 110029, India
| | - Madeeha Mudassir
- Department of Biochemistry, All India Institute of Medical Sciences, New Delhi, 110029, India
- Department of Obstetrics and Gynaecology, University College of Medical Sciences, GTB Hospital, Delhi, 110095, India
| | - Shiba Ansari
- Department of Biochemistry, All India Institute of Medical Sciences, New Delhi, 110029, India
- Department of Biochemistry, University College of Medical Sciences, GTB Hospital, Delhi, 110095, India
| | - Kunzang Chosdol
- Department of Biochemistry, All India Institute of Medical Sciences, New Delhi, 110029, India
| | - Subrata Sinha
- Department of Biochemistry, All India Institute of Medical Sciences, New Delhi, 110029, India
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Hopkins MD, Costello IJ, Brandeburg ZC, Slay EL, Zanders LA, Dunn CE, Derewonko CA, Davitt CL, Reeder MA, Prichard K, Chiew B, McCluskey A, Sheaff RJ, Lamar AA. Expansion of a Synthesized Library of N-Benzyl Sulfonamides Derived from an Indole Core to Target Pancreatic Cancer. ChemMedChem 2023; 18:e202300265. [PMID: 37421174 DOI: 10.1002/cmdc.202300265] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2023] [Revised: 07/07/2023] [Accepted: 07/07/2023] [Indexed: 07/09/2023]
Abstract
In an effort to further investigate previously observed activity of indolyl sulfonamides towards pancreatic cancer cell lines, a library of 44 compounds has been synthesized. The biological activity of the compounds has been determined using two different screening assay techniques against 7 pancreatic cancer cell lines and 9 non-pancreatic cancer cell lines. In the first assay, the cytotoxicity of the compounds was evaluated using a traditional (48 hour compound exposure) method. An in silico investigation was conducted to determine if the compounds might be inducing cell death by inhibiting the S100A2-p53 protein-protein interaction. In the second assay, the potential role of the compounds as metabolic inhibitors of ATP production was evaluated using a rapid screening (1-2 hour compound exposure) method. IC50 values of the hit compounds were obtained and four compounds displayed sub-micromolar potency against PANC-1 cells. The investigation has provided several compounds that display selective in vitro activity toward pancreatic cancer that warrant further development.
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Affiliation(s)
- Megan D Hopkins
- Department of Chemistry and Biochemistry, The University of Tulsa, 800 South Tucker Drive, 74104, Tulsa, OK, USA
| | - Ian J Costello
- Department of Chemistry and Biochemistry, The University of Tulsa, 800 South Tucker Drive, 74104, Tulsa, OK, USA
| | - Zachary C Brandeburg
- Department of Chemistry and Biochemistry, The University of Tulsa, 800 South Tucker Drive, 74104, Tulsa, OK, USA
| | - Emily L Slay
- Department of Chemistry and Biochemistry, The University of Tulsa, 800 South Tucker Drive, 74104, Tulsa, OK, USA
| | - Levi A Zanders
- Department of Chemistry and Biochemistry, The University of Tulsa, 800 South Tucker Drive, 74104, Tulsa, OK, USA
| | - Caroline E Dunn
- Department of Chemistry and Biochemistry, The University of Tulsa, 800 South Tucker Drive, 74104, Tulsa, OK, USA
| | - Carina A Derewonko
- Department of Chemistry and Biochemistry, The University of Tulsa, 800 South Tucker Drive, 74104, Tulsa, OK, USA
| | - Colin L Davitt
- Department of Chemistry and Biochemistry, The University of Tulsa, 800 South Tucker Drive, 74104, Tulsa, OK, USA
| | - Madison A Reeder
- Department of Chemistry and Biochemistry, The University of Tulsa, 800 South Tucker Drive, 74104, Tulsa, OK, USA
| | - Kate Prichard
- Chemistry, School of Environmental & Life Sciences, The University of Newcastle, University Drive, 2308, Callaghan, NSW, Australia
| | - Beatrice Chiew
- Chemistry, School of Environmental & Life Sciences, The University of Newcastle, University Drive, 2308, Callaghan, NSW, Australia
| | - Adam McCluskey
- Chemistry, School of Environmental & Life Sciences, The University of Newcastle, University Drive, 2308, Callaghan, NSW, Australia
| | - Robert J Sheaff
- Department of Chemistry and Biochemistry, The University of Tulsa, 800 South Tucker Drive, 74104, Tulsa, OK, USA
| | - Angus A Lamar
- Department of Chemistry and Biochemistry, The University of Tulsa, 800 South Tucker Drive, 74104, Tulsa, OK, USA
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Shuvalov O, Kirdeeva Y, Fefilova E, Netsvetay S, Zorin M, Vlasova Y, Fedorova O, Daks A, Parfenyev S, Barlev N. 20-Hydroxyecdysone Confers Antioxidant and Antineoplastic Properties in Human Non-Small Cell Lung Cancer Cells. Metabolites 2023; 13:metabo13050656. [PMID: 37233697 DOI: 10.3390/metabo13050656] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2023] [Revised: 05/09/2023] [Accepted: 05/10/2023] [Indexed: 05/27/2023] Open
Abstract
20-Hydroxyecdysone (20E) is an arthropod hormone which is synthesized by some plants as part of their defense mechanism. In humans, 20E has no hormonal activity but possesses a number of beneficial pharmacological properties including anabolic, adaptogenic, hypoglycemic, and antioxidant properties, as well as cardio-, hepato-, and neuroprotective features. Recent studies have shown that 20E may also possess antineoplastic activity. In the present study, we reveal the anticancer properties of 20E in Non-Small Cell Lung Cancer (NSCLC) cell lines. 20E displayed significant antioxidant capacities and induced the expression of antioxidative stress response genes. The RNA-seq analysis of 20E-treated lung cancer cells revealed the attenuation of genes involved in different metabolic processes. Indeed, 20E suppressed several enzymes of glycolysis and one-carbon metabolism, as well as their key transcriptional regulators-c-Myc and ATF4, respectively. Accordingly, using the SeaHorse energy profiling approach, we observed the inhibition of glycolysis and respiration mediated by 20E treatment. Furthermore, 20E sensibilized lung cancer cells to metabolic inhibitors and markedly suppressed the expression of Cancer Stem Cells (CSCs) markers. Thus, in addition to the known beneficial pharmacological activities of 20E, our data uncovered novel antineoplastic properties of 20E in NSCLC cells.
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Affiliation(s)
- Oleg Shuvalov
- Institute of Cytology, Russian Academy of Sciences, 194064 St. Petersburg, Russia
| | - Yulia Kirdeeva
- Institute of Cytology, Russian Academy of Sciences, 194064 St. Petersburg, Russia
| | - Elizaveta Fefilova
- Institute of Cytology, Russian Academy of Sciences, 194064 St. Petersburg, Russia
| | - Sofia Netsvetay
- Institute of Cytology, Russian Academy of Sciences, 194064 St. Petersburg, Russia
| | - Mark Zorin
- Institute of Cytology, Russian Academy of Sciences, 194064 St. Petersburg, Russia
| | - Yulia Vlasova
- Almazov National Medical Research Center Russia, 197341 St. Petersburg, Russia
| | - Olga Fedorova
- Institute of Cytology, Russian Academy of Sciences, 194064 St. Petersburg, Russia
| | - Alexandra Daks
- Institute of Cytology, Russian Academy of Sciences, 194064 St. Petersburg, Russia
| | - Sergey Parfenyev
- Institute of Cytology, Russian Academy of Sciences, 194064 St. Petersburg, Russia
| | - Nickolai Barlev
- Institute of Cytology, Russian Academy of Sciences, 194064 St. Petersburg, Russia
- School of Medicine, Nazarbayev University, 001000 Astana, Kazakhstan
- Institute of Fundamental Medicine and Biology, Kazan Federal University, 420008 Kazan, Russia
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Sharma D, Singh M, Gupta R, Garg M, Altieri A, Kurkin A, Kumar V, Rani R. Targeting Virus-Induced Reprogrammed Cell Metabolism via Glycolytic Inhibitors: An Effective Therapeutic Approach Against SARS-CoV-2. Mini Rev Med Chem 2023; 23:120-130. [PMID: 35713132 DOI: 10.2174/1389557522666220616112042] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2022] [Revised: 04/25/2022] [Accepted: 04/26/2022] [Indexed: 11/22/2022]
Abstract
Reprogrammed cell metabolism has been observed in a wide range of virally infected cells. Viruses do not have their metabolism; they rely on the cellular metabolism of the host to ensure the energy and macromolecules requirement for replication. Like other viruses, Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) does not own its metabolism, but virus infected cells adopt aberrant cell metabolism. Infected viral use the energy and macromolecules to make their own copies; to do so, they need to increase the rate of metabolism to ensure the requirement of macromolecules. In contrast, the cellular metabolism of noninfected cells is more plastic than infected cells. Therefore, it is essential to examine the virus infection in the context of metabolic alterations of host cells. A novel therapeutic approach is urgently required to treat highly infectious COVID-19 disease and its pathogenesis. Interference of glucose metabolism might be a promising strategy to determine COVID-19 treatment options. Based on the recent research, this mini-review aims to understand the impact of reprogrammed cell metabolism in COVID-19 pathogenesis and explores the potential of targeting metabolic pathways with small molecules as a new strategy for the development of a novel drug to treat COVID-19 disease. This type of research line provides new hope in the development of antiviral drugs by targeting hijacked cell metabolism in case of viral diseases and also in COVID-19.
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Affiliation(s)
- Dolly Sharma
- Amity Institute of Biotechnology, Amity University, Noida, Uttar Pradesh, 201303, India
| | - Mamta Singh
- Amity Institute of Molecular Medicine and Stem Cell Research, Amity University Noida, Uttar Pradesh, 201303, India
| | - Rajat Gupta
- Amity Institute of Molecular Medicine and Stem Cell Research, Amity University Noida, Uttar Pradesh, 201303, India
| | - Manoj Garg
- Amity Institute of Molecular Medicine and Stem Cell Research, Amity University Noida, Uttar Pradesh, 201303, India
| | - Andrea Altieri
- Department of Chemistry, Moscow State University, Moscow, 119993, GSP-2, Leninskie gory 1/3, Russia
| | - Alexander Kurkin
- Department of Chemistry, Moscow State University, Moscow, 119993, GSP-2, Leninskie gory 1/3, Russia
| | - Vinit Kumar
- Amity Institute of Molecular Medicine and Stem Cell Research, Amity University Noida, Uttar Pradesh, 201303, India
| | - Reshma Rani
- Amity Institute of Biotechnology, Amity University, Noida, Uttar Pradesh, 201303, India
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Cargill KR, Hasken WL, Gay CM, Byers LA. Alternative Energy: Breaking Down the Diverse Metabolic Features of Lung Cancers. Front Oncol 2021; 11:757323. [PMID: 34745994 PMCID: PMC8566922 DOI: 10.3389/fonc.2021.757323] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2021] [Accepted: 09/29/2021] [Indexed: 12/24/2022] Open
Abstract
Metabolic reprogramming is a hallmark of cancer initiation, progression, and relapse. From the initial observation that cancer cells preferentially ferment glucose to lactate, termed the Warburg effect, to emerging evidence indicating that metabolic heterogeneity and mitochondrial metabolism are also important for tumor growth, the complex mechanisms driving cancer metabolism remain vastly unknown. These unique shifts in metabolism must be further investigated in order to identify unique therapeutic targets for individuals afflicted by this aggressive disease. Although novel therapies have been developed to target metabolic vulnerabilities in a variety of cancer models, only limited efficacy has been achieved. In particular, lung cancer metabolism has remained relatively understudied and underutilized for the advancement of therapeutic strategies, however recent evidence suggests that lung cancers have unique metabolic preferences of their own. This review aims to provide an overview of essential metabolic mechanisms and potential therapeutic agents in order to increase evidence of targeted metabolic inhibition for the treatment of lung cancer, where novel therapeutics are desperately needed.
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Affiliation(s)
| | | | | | - Lauren A. Byers
- Department of Thoracic/Head and Neck Medical Oncology, University of Texas MD Anderson Cancer Center, Houston, TX, United States
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8
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Carlson HK, Vuono DC, Glass JB, Adams MWW. Editorial: Selective Controls on Microbial Energy Metabolisms: From the Microscale to the Macroscale. Front Microbiol 2021; 12:728705. [PMID: 34421884 PMCID: PMC8377807 DOI: 10.3389/fmicb.2021.728705] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2021] [Accepted: 07/07/2021] [Indexed: 11/16/2022] Open
Affiliation(s)
- Hans K Carlson
- Lawrence Berkeley National Laboratory, Environmental Genomics and Systems Biology Division, Berkeley, CA, United States
| | - David C Vuono
- Department of Civil and Environmental Engineering, Colorado School of Mines, Golden, CO, United States.,Division of Earth and Ecosystem Sciences, Desert Research Institute, Reno, NV, United States
| | - Jennifer B Glass
- School of Earth and Atmospheric Sciences, Georgia Institute of Technology, Atlanta, GA, United States
| | - Michael W W Adams
- Department of Biochemistry and Molecular Biology, University of Georgia, Atlanta, GA, United States
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9
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Draguet A, Tagliatti V, Colet JM. Targeting Metabolic Reprogramming to Improve Breast Cancer Treatment: An In Vitro Evaluation of Selected Metabolic Inhibitors Using a Metabolomic Approach. Metabolites 2021; 11:556. [PMID: 34436498 DOI: 10.3390/metabo11080556] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Revised: 08/18/2021] [Accepted: 08/20/2021] [Indexed: 11/21/2022] Open
Abstract
Characteristic metabolic adaptations are recognized as a cancer hallmark. Breast cancer, like other cancer types, displays cellular respiratory switches—in particular, the Warburg effect—and important fluctuations in the glutamine and choline metabolisms. This cancer remains a world health issue mainly due to the side effects associated with chemotherapy, which force a reduction in the administered dose or even a complete discontinuation of the treatment. For example, Doxorubicin is efficient to treat breast cancer but unfortunately induces severe cardiotoxicity. In the present in vitro study, selected metabolic inhibitors were evaluated alone or in combination as potential treatments against breast cancer. In addition, the same inhibitors were used to possibly potentiate the effects of Doxorubicin. As a result, the combination of CB-839 (glutaminase inhibitor) and Oxamate (lactate dehydrogenase inhibitor) and the combination of CB-839/Oxamate/D609 (a phosphatidylcholine-specific phospholipase C inhibitor) caused significant cell mortality in both MDA-MB-231 and MCF-7, two breast cancer cell lines. Furthermore, all inhibitors were able to improve the efficacy of Doxorubicin on the same cell lines. Those findings are quite encouraging with respect to the clinical goal of reducing the exposure of patients to Doxorubicin and, subsequently, the severity of the associated cardiotoxicity, while keeping the same treatment efficacy.
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10
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García-Cañaveras JC, Lahoz A. Tumor Microenvironment-Derived Metabolites: A Guide to Find New Metabolic Therapeutic Targets and Biomarkers. Cancers (Basel) 2021; 13:3230. [PMID: 34203535 PMCID: PMC8268968 DOI: 10.3390/cancers13133230] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Revised: 06/17/2021] [Accepted: 06/23/2021] [Indexed: 12/11/2022] Open
Abstract
Metabolic reprogramming is a hallmark of cancer that enables cancer cells to grow, proliferate and survive. This metabolic rewiring is intrinsically regulated by mutations in oncogenes and tumor suppressors, but also extrinsically by tumor microenvironment factors (nutrient and oxygen availability, cell-to-cell interactions, cytokines, hormones, etc.). Intriguingly, only a few cancers are driven by mutations in metabolic genes, which lead metabolites with oncogenic properties (i.e., oncometabolites) to accumulate. In the last decade, there has been rekindled interest in understanding how dysregulated metabolism and its crosstalk with various cell types in the tumor microenvironment not only sustains biosynthesis and energy production for cancer cells, but also contributes to immune escape. An assessment of dysregulated intratumor metabolism has long since been exploited for cancer diagnosis, monitoring and therapy, as exemplified by 18F-2-deoxyglucose positron emission tomography imaging. However, the efficient delivery of precision medicine demands less invasive, cheaper and faster technologies to precisely predict and monitor therapy response. The metabolomic analysis of tumor and/or microenvironment-derived metabolites in readily accessible biological samples is likely to play an important role in this sense. Here, we review altered cancer metabolism and its crosstalk with the tumor microenvironment to focus on energy and biomass sources, oncometabolites and the production of immunosuppressive metabolites. We provide an overview of current pharmacological approaches targeting such dysregulated metabolic landscapes and noninvasive approaches to characterize cancer metabolism for diagnosis, therapy and efficacy assessment.
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Affiliation(s)
- Juan C. García-Cañaveras
- Biomarkers and Precision Medicine Unit, Medical Research Institute-Hospital La Fe, Av. Fernando Abril Martorell 106, 46026 Valencia, Spain
| | - Agustín Lahoz
- Biomarkers and Precision Medicine Unit, Medical Research Institute-Hospital La Fe, Av. Fernando Abril Martorell 106, 46026 Valencia, Spain
- Analytical Unit, Medical Research Institute-Hospital La Fe, Av. Fernando Abril Martorell 106, 46026 Valencia, Spain
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11
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Mohiuddin SG, Hoang T, Saba A, Karki P, Orman MA. Identifying Metabolic Inhibitors to Reduce Bacterial Persistence. Front Microbiol 2020; 11:472. [PMID: 32292393 PMCID: PMC7118205 DOI: 10.3389/fmicb.2020.00472] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2019] [Accepted: 03/04/2020] [Indexed: 01/08/2023] Open
Abstract
Bacterial persisters are rare phenotypic variants that are temporarily tolerant to high concentrations of antibiotics. We have previously discovered that stationary-phase-cell subpopulations exhibiting high redox activities were less capable of producing proteins and resuming growth upon their dilution into fresh media. The redox activities of these cells were maintained by endogenous protein and RNA degradation, resulting in self-inflicted damage that transiently repressed the cellular functions targeted by antibiotics. Here, we showed that pretreatment of stationary-phase cells with an ATP synthase inhibitor, chlorpromazine hydrochloride (CPZ), significantly reduced stationary-phase-redox activities and protein degradation, and yielded cells that were more susceptible to cell death when exposed to antibiotics in fresh media. Leveraging this knowledge, we developed an assay integrating a degradable fluorescent protein system and a small library, containing FDA-approved drugs and antibiotics, to detect medically relevant drugs that potentially target persister metabolism. We identified a subset of chemical inhibitors, including polymyxin B, poly-L-lysine and phenothiazine anti-psychotic drugs, that were able to reduce the persistence phenotype in Escherichia coli. These chemical inhibitors also reduced Pseudomonas aeruginosa persistence, potentially verifying the existence of similar mechanisms in a medically relevant organism.
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Affiliation(s)
- Sayed Golam Mohiuddin
- Department of Chemical and Biomolecular Engineering, University of Houston, Houston, TX, United States
| | - Thuy Hoang
- Department of Chemical and Biomolecular Engineering, University of Houston, Houston, TX, United States
| | - Adesola Saba
- Department of Chemical and Biomolecular Engineering, University of Houston, Houston, TX, United States
| | - Prashant Karki
- Department of Chemical and Biomolecular Engineering, University of Houston, Houston, TX, United States
| | - Mehmet A Orman
- Department of Chemical and Biomolecular Engineering, University of Houston, Houston, TX, United States
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12
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Teng X, Brown J, Choi SC, Li W, Morel L. Metabolic determinants of lupus pathogenesis. Immunol Rev 2020; 295:167-186. [PMID: 32162304 DOI: 10.1111/imr.12847] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2020] [Revised: 02/20/2020] [Accepted: 02/24/2020] [Indexed: 12/12/2022]
Abstract
The metabolism of healthy murine and more recently human immune cells has been investigated with an increasing amount of details. These studies have revealed the challenges presented by immune cells to respond rapidly to a wide variety of triggers by adjusting the amount, type, and utilization of the nutrients they import. A concept has emerged that cellular metabolic programs regulate the size of the immune response and the plasticity of its effector functions. This has generated a lot of enthusiasm with the prediction that cellular metabolism could be manipulated to either enhance or limit an immune response. In support of this hypothesis, studies in animal models as well as human subjects have shown that the dysregulation of the immune system in autoimmune diseases is associated with a skewing of the immunometabolic programs. These studies have been mostly conducted on autoimmune CD4+ T cells, with the metabolism of other immune cells in autoimmune settings still being understudied. Here we discuss systemic metabolism as well as cellular immunometabolism as novel tools to decipher fundamental mechanisms of autoimmunity. We review the contribution of each major metabolic pathway to autoimmune diseases, with a focus on systemic lupus erythematosus (SLE), with the relevant translational opportunities, existing or predicted from results obtained with healthy immune cells. Finally, we review how targeting metabolic programs may present novel therapeutic venues.
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Affiliation(s)
- Xiangyu Teng
- Department of Pathology, Immunology, and Laboratory Medicine, University of Florida, Gainesville, FL, USA
| | - Josephine Brown
- Department of Pathology, Immunology, and Laboratory Medicine, University of Florida, Gainesville, FL, USA
| | - Seung-Chul Choi
- Department of Pathology, Immunology, and Laboratory Medicine, University of Florida, Gainesville, FL, USA
| | - Wei Li
- Department of Pathology, Immunology, and Laboratory Medicine, University of Florida, Gainesville, FL, USA
| | - Laurence Morel
- Department of Pathology, Immunology, and Laboratory Medicine, University of Florida, Gainesville, FL, USA
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13
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Yadav S, Pandey SK, Goel Y, Temre MK, Singh SM. Diverse Stakeholders of Tumor Metabolism: An Appraisal of the Emerging Approach of Multifaceted Metabolic Targeting by 3-Bromopyruvate. Front Pharmacol 2019; 10:728. [PMID: 31333455 PMCID: PMC6620530 DOI: 10.3389/fphar.2019.00728] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2019] [Accepted: 06/05/2019] [Indexed: 12/14/2022] Open
Abstract
Malignant cells possess a unique metabolic machinery to endure unobstructed cell survival. It comprises several levels of metabolic networking consisting of 1) upregulated expression of membrane-associated transporter proteins, facilitating unhindered uptake of substrates; 2) upregulated metabolic pathways for efficient substrate utilization; 3) pH and redox homeostasis, conducive for driving metabolism; 4) tumor metabolism-dependent reconstitution of tumor growth promoting the external environment; 5) upregulated expression of receptors and signaling mediators; and 6) distinctive genetic and regulatory makeup to generate and sustain rearranged metabolism. This feat is achieved by a "battery of molecular patrons," which acts in a highly cohesive and mutually coordinated manner to bestow immortality to neoplastic cells. Consequently, it is necessary to develop a multitargeted therapeutic approach to achieve a formidable inhibition of the diverse arrays of tumor metabolism. Among the emerging agents capable of such multifaceted targeting of tumor metabolism, an alkylating agent designated as 3-bromopyruvate (3-BP) has gained immense research focus because of its broad spectrum and specific antineoplastic action. Inhibitory effects of 3-BP are imparted on a variety of metabolic target molecules, including transporters, metabolic enzymes, and several other crucial stakeholders of tumor metabolism. Moreover, 3-BP ushers a reconstitution of the tumor microenvironment, a reversal of tumor acidosis, and recuperative action on vital organs and systems of the tumor-bearing host. Studies have been conducted to identify targets of 3-BP and its derivatives and characterization of target binding for further optimization. This review presents a brief and comprehensive discussion about the current state of knowledge concerning various aspects of tumor metabolism and explores the prospects of 3-BP as a safe and effective antineoplastic agent.
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Affiliation(s)
| | | | | | | | - Sukh Mahendra Singh
- School of Biotechnology, Institute of Science, Banaras Hindu University, Varanasi, India
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14
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Valle-Casuso JC, Angin M, Volant S, Passaes C, Monceaux V, Mikhailova A, Bourdic K, Avettand-Fenoel V, Boufassa F, Sitbon M, Lambotte O, Thoulouze MI, Müller-Trutwin M, Chomont N, Sáez-Cirión A. Cellular Metabolism Is a Major Determinant of HIV-1 Reservoir Seeding in CD4 + T Cells and Offers an Opportunity to Tackle Infection. Cell Metab 2019; 29:611-626.e5. [PMID: 30581119 DOI: 10.1016/j.cmet.2018.11.015] [Citation(s) in RCA: 110] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/26/2018] [Revised: 09/04/2018] [Accepted: 11/23/2018] [Indexed: 01/01/2023]
Abstract
HIV persists in long-lived infected cells that are not affected by antiretroviral treatment. These HIV reservoirs are mainly located in CD4+ T cells, but their distribution is variable in the different subsets. Susceptibility to HIV-1 increases with CD4+ T cell differentiation. We evaluated whether the metabolic programming that supports the differentiation and function of CD4+ T cells affected their susceptibility to HIV-1. We found that differences in HIV-1 susceptibility between naive and more differentiated subsets were associated with the metabolic activity of the cells. Indeed, HIV-1 selectively infected CD4+ T cells with high oxidative phosphorylation and glycolysis, independent of their activation phenotype. Moreover, partial inhibition of glycolysis (1) impaired HIV-1 infection in vitro in all CD4+ T cell subsets, (2) decreased the viability of preinfected cells, and (3) precluded HIV-1 amplification in cells from HIV-infected individuals. Our results elucidate the link between cell metabolism and HIV-1 infection and identify a vulnerability in tackling HIV reservoirs.
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Affiliation(s)
- José Carlos Valle-Casuso
- Institut Pasteur, Unité HIV Inflammation et Persistance, 28 rue du Docteur Roux, 75724 Paris Cedex 15, France
| | - Mathieu Angin
- Institut Pasteur, Unité HIV Inflammation et Persistance, 28 rue du Docteur Roux, 75724 Paris Cedex 15, France
| | - Stevenn Volant
- Institut Pasteur, Hub Bioinformatique et Biostatistique - C3BI, USR 3756 IP CNRS, Paris, France
| | - Caroline Passaes
- Institut Pasteur, Unité HIV Inflammation et Persistance, 28 rue du Docteur Roux, 75724 Paris Cedex 15, France
| | - Valérie Monceaux
- Institut Pasteur, Unité HIV Inflammation et Persistance, 28 rue du Docteur Roux, 75724 Paris Cedex 15, France
| | - Anastassia Mikhailova
- Institut Pasteur, Unité HIV Inflammation et Persistance, 28 rue du Docteur Roux, 75724 Paris Cedex 15, France
| | - Katia Bourdic
- Assistance Publique Hôpitaux de Paris, Hôpital Bicêtre, Service de Médecine Interne et Immunologie Clinique, 94275 Le Kremlin-Bicêtre, France
| | - Véronique Avettand-Fenoel
- Université Paris Descartes, Sorbonne Paris Cité, 7327 Paris, France; Assistance Publique Hôpitaux de Paris, Laboratoire de Virologie, CHU Necker-Enfants Malades, Paris, France
| | - Faroudy Boufassa
- INSERM U1018, Centre de Recherche en Epidémiologie et Santé des Populations, Université Paris Sud, Le Kremlin-Bicêtre, France
| | - Marc Sitbon
- Institut de Génétique Moléculaire de Montpellier, University of Montpellier, CNRS, Montpellier, France
| | - Olivier Lambotte
- Assistance Publique Hôpitaux de Paris, Hôpital Bicêtre, Service de Médecine Interne et Immunologie Clinique, 94275 Le Kremlin-Bicêtre, France; CEA, Université Paris Sud, INSERM U1184, Center for Immunology of Viral Infections and Autoimmune Diseases (IMVA), IDMIT Department/IBFJ, Fontenay-aux-Roses, France
| | | | - Michaela Müller-Trutwin
- Institut Pasteur, Unité HIV Inflammation et Persistance, 28 rue du Docteur Roux, 75724 Paris Cedex 15, France
| | - Nicolas Chomont
- Centre de Recherche du CHUM and Department of Microbiology, Infectiology and Immunology, Université de Montréal, Montreal H2X 0A9, Canada
| | - Asier Sáez-Cirión
- Institut Pasteur, Unité HIV Inflammation et Persistance, 28 rue du Docteur Roux, 75724 Paris Cedex 15, France.
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15
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Csepregi R, Temesfői V, Sali N, Poór M, W Needs P, A Kroon P, Kőszegi T. A One-Step Extraction and Luminescence Assay for Quantifying Glucose and ATP Levels in Cultured HepG2 Cells. Int J Mol Sci 2018; 19:E2670. [PMID: 30205572 PMCID: PMC6163413 DOI: 10.3390/ijms19092670] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2018] [Revised: 08/31/2018] [Accepted: 08/31/2018] [Indexed: 12/25/2022] Open
Abstract
A fluorescence-based enzymatic microplate intracellular glucose assay was designed and fully validated. The method was tested in a hepatocellular cancer cell line (HepG2). Our novel one-step extraction reagent gave stable cell lysates for glucose, adenosine triphosphate (ATP), and total protein determination from the same sample. Limit of detection for glucose was 0.13 µM (26 pmol/well), which is superior to commercially available glucose assays. Both intra- and interday assay imprecision in HepG2 cultures were less than 12% coefficient of variance (CV). In cell lysates spiked with glucose, recovery at two levels varied between 83.70% and 91.81%, and both linearity and stability were acceptable. HepG2 cells treated with agents affecting glucose uptake/metabolism (phloretin, quercetin, quercetin-3'-sulfate, NaF, 3-bromopyruvate, NaN₃, oligomycin A, ochratoxin A, cytochalasin B, and anti-GLUT1 antibody) showed dose-dependent changes in glucose and ATP levels without total protein (cell) loss. Finally, we performed flow cytometric glucose uptake measurement in the treated cells using 2-[N-(7-nitrobenz-2-oxa-1,3-diazol-4-yl)amino]-2-deoxyglucose fluorescent glucose analog. Glucose uptake did not always mirror the intracellular glucose levels, which most likely reflects the differences between the two methodologies. However, interpreting data obtained by both methods and taking ATP/protein levels at the same time, one can get information on the mode of action of the compounds.
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Affiliation(s)
- Rita Csepregi
- Department of Laboratory Medicine, Medical School, University of Pécs, Ifjúság u. 13, H-7624 Pécs, Hungary.
- János Szentágothai Research Center, Ifjúság u. 20, H-7624 Pécs, Hungary.
| | - Viktória Temesfői
- Department of Laboratory Medicine, Medical School, University of Pécs, Ifjúság u. 13, H-7624 Pécs, Hungary.
- János Szentágothai Research Center, Ifjúság u. 20, H-7624 Pécs, Hungary.
| | - Nikolett Sali
- Department of Laboratory Medicine, Medical School, University of Pécs, Ifjúság u. 13, H-7624 Pécs, Hungary.
| | - Miklós Poór
- János Szentágothai Research Center, Ifjúság u. 20, H-7624 Pécs, Hungary.
- Department of Pharmacology, Faculty of Pharmacy, University of Pécs, Szigeti u. 12, H-7624 Pécs, Hungary.
| | - Paul W Needs
- Quadram Institute Bioscience, Norwich Research Park, Norwich NR4 7UA, UK.
| | - Paul A Kroon
- Quadram Institute Bioscience, Norwich Research Park, Norwich NR4 7UA, UK.
| | - Tamás Kőszegi
- Department of Laboratory Medicine, Medical School, University of Pécs, Ifjúság u. 13, H-7624 Pécs, Hungary.
- János Szentágothai Research Center, Ifjúság u. 20, H-7624 Pécs, Hungary.
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16
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Liu X, Wang L, Jiang W, Lu W, Yang J, Yang W. B cell lymphoma with different metabolic characteristics show distinct sensitivities to metabolic inhibitors. J Cancer 2018; 9:1582-1591. [PMID: 29760796 PMCID: PMC5950587 DOI: 10.7150/jca.24331] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2017] [Accepted: 02/06/2018] [Indexed: 12/26/2022] Open
Abstract
Purpose: Cancer cells exhibit profound alterations in their metabolism (abnormal glucose and glutamine metabolism). Targeting cancer metabolism is a promising therapeutic strategy. Lymphoma can be classified into many different types and it is very complicated. Therefore, in this paper, we want to know whether the B cell lymphoma cells with different metabolic characteristics have distinct sensitivities to metabolic inhibitors. Methods: We classified 9 B cell lymphoma cell lines into different metabolic subtypes according to the dependency on glutamine and glucose. Then we detected the OCR, ECAR, glucose consumption and lactate production, mitochondrial content and growth rate. And we also determined the IC50 of these 9 cell lines to metabolic inhibitors. Results: According to the dependency on glutamine and glucose, we successfully classified three distinct metabolic subtypes in B cell lymphoma cell lines, one subtype was defined glutamine and glucose equally utilized subtype (GLN=Glu), whereas the other two subtypes were GLN-addicted and Glu-dependent. And these three subtypes showed striking differences in glucose and glutamine utilization, glycolysis and mitochondrial function, and proliferation rate. GLN-addicted and Glu-dependence subtypes also showed differences in cell sensitivity to inhibitors of glutamine and glycolysis metabolism, respectively. However, GLN=Glu subtype seems minimal sensitive to glycolytic and glutaminolytic inhibitors, and with high proliferation rate. Conclusions: The cells rely more on glucose/gltamine have a stronger sensitivity to glucose/glutamine depletion or glycolysis/ glutaminolysis inhibition and a lessened sensitivity to glutaminolysis/glycolysis inhibitors. To target tumor metabolism based on metabolic characteristics may provide a new therapeutic strategy for the treatment of B cell lymphoma.
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Affiliation(s)
- Xiaoxia Liu
- Sun Yat-Sen University Cancer Center, State Key Laboratory of Oncology in Southern China, Collaborative Innovation Center for Cancer Medicine, Guangzhou, 510275, P.R. China
| | - Li Wang
- Department of Pharmacy, Zhujiang Hospital, Southern Medical University, Guangzhou 510282, China
| | - Weiye Jiang
- Sun Yat-Sen University Cancer Center, State Key Laboratory of Oncology in Southern China, Collaborative Innovation Center for Cancer Medicine, Guangzhou, 510275, P.R. China
| | - Wenhua Lu
- Sun Yat-Sen University Cancer Center, State Key Laboratory of Oncology in Southern China, Collaborative Innovation Center for Cancer Medicine, Guangzhou, 510275, P.R. China
| | - Jing Yang
- Sun Yat-Sen University Cancer Center, State Key Laboratory of Oncology in Southern China, Collaborative Innovation Center for Cancer Medicine, Guangzhou, 510275, P.R. China
| | - Wenbiao Yang
- Beijing Zhongkang of Chinese and Western medicine hospital, Beijing, 100077, P.R. China
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17
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Abstract
Rhabdomyosarcoma (RMS) is a myogenic tumor classified as the most frequent soft tissue sarcoma affecting children and adolescents. The histopathological classification includes 5 different histotypes, with 2 most predominant referred as to embryonal and alveolar, the latter being characterized by adverse outcome. The current molecular classification identifies 2 major subsets, those harboring the fused Pax3-Foxo1 transcription factor generating from a recurrent specific translocation (fusion-positive RMS), and those lacking this signature but harboring mutations in the RAS/PI3K/AKT signaling axis (fusion-negative RMS). Since little attention has been devoted to RMS metabolism until now, in this review we summarize the "state of art" of metabolism and discuss how some of the molecular signatures found in this cancer, as observed in other more common tumors, can predict important metabolic challenges underlying continuous cell growth, oxidative stress resistance and metastasis, which could be the subject of future targeted therapies.
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Affiliation(s)
- Eugenio Monti
- a Department of Molecular and Translational Medicine , University of Brescia , Brescia , Italy
| | - Alessandro Fanzani
- a Department of Molecular and Translational Medicine , University of Brescia , Brescia , Italy.,b Interuniversity Institute of Myology , Rome , Italy
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18
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Milillo SR, Lungu B, O'Bryan CA, Dowd SE, Muthaiyan A, Johnson MG, Ricke SC. Listeria monocytogenes batch culture growth response to metabolic inhibitors. J Environ Sci Health B 2015; 50:146-150. [PMID: 25587784 DOI: 10.1080/03601234.2015.975626] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
In certain environments nutrient and energy sources available to microorganisms can be limited. Foodborne pathogens must efficiently adapt in order to be successfully transmitted through the food chain to their hosts. For the intracellular foodborne pathogen Listeria monocytogenes, little is known regarding its response to nutrient/energy-limiting conditions. The alternative stress responsive sigma factor σ(B) has been reported to contribute to survival under specific stresses. Therefore, the effects of several metabolic inhibitors on growth of L. monocytogenes wild-type and a ΔsigB mutant were examined. In the absence of inhibitors, both strains reached stationary phase after 18 h at 23°C and 10 h at 37°C. All of the metabolic inhibitors slowed growth of either strain, with few differences observed among the different inhibitors.
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Affiliation(s)
- S R Milillo
- a Department of Food Science and Center for Food Safety , University of Arkansas , Fayetteville , Arkansas , USA
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19
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Panda BB, Achary VMM. Mitogen-activated protein kinase signal transduction and DNA repair network are involved in aluminum-induced DNA damage and adaptive response in root cells of Allium cepa L. Front Plant Sci 2014; 5:256. [PMID: 24926302 PMCID: PMC4046574 DOI: 10.3389/fpls.2014.00256] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/30/2014] [Accepted: 05/19/2014] [Indexed: 05/24/2023]
Abstract
In the current study, we studied the role of signal transduction in aluminum (Al(3+))-induced DNA damage and adaptive response in root cells of Allium cepa L. The root cells in planta were treated with Al(3+) (800 μM) for 3 h without or with 2 h pre-treatment of inhibitors of mitogen-activated protein kinase (MAPK), and protein phosphatase. Also, root cells in planta were conditioned with Al(3+) (10 μM) for 2 h and then subjected to genotoxic challenge of ethyl methane sulfonate (EMS; 5 mM) for 3 h without or with the pre-treatment of the aforementioned inhibitors as well as the inhibitors of translation, transcription, DNA replication and repair. At the end of treatments, roots cells were assayed for cell death and/or DNA damage. The results revealed that Al(3+) (800 μM)-induced significant DNA damage and cell death. On the other hand, conditioning with low dose of Al(3+) induced adaptive response conferring protection of root cells from genotoxic stress caused by EMS-challenge. Pre-treatment of roots cells with the chosen inhibitors prior to Al(3+)-conditioning prevented or reduced the adaptive response to EMS genotoxicity. The results of this study suggested the involvement of MAPK and DNA repair network underlying Al-induced DNA damage and adaptive response to genotoxic stress in root cells of A. cepa.
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Affiliation(s)
- Brahma B. Panda
- Molecular Biology and Genomics Laboratory, Department of Botany, Berhampur UniversityBerhampur, India
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20
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Proctor MCF, Ligrone R, Duckett JG. Desiccation tolerance in the moss Polytrichum formosum: physiological and fine-structural changes during desiccation and recovery. Ann Bot 2007; 99:75-93. [PMID: 17158142 PMCID: PMC2802982 DOI: 10.1093/aob/mcl246] [Citation(s) in RCA: 44] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/12/2006] [Revised: 08/08/2006] [Accepted: 10/09/2006] [Indexed: 05/12/2023]
Abstract
BACKGROUND AND AIMS This study explores basic physiological features and time relations of recovery of photosynthetic activity and CO(2) uptake following rehydration of a desiccation-tolerant moss in relation to the full temporal sequence of cytological changes associated with recovery to the normal hydrated state. It seeks reconciliation of the apparently conflicting published physiological and cytological evidence on recovery from desiccation in bryophytes. METHODS Observations were made of water-stress responses and recovery using infrared gas analysis and modulated chlorophyll fluorescence, and of structural and ultrastructural changes by light and transmission electron microscopy. KEY RESULTS Net CO(2) uptake fell to zero at approx. 40 % RWC, paralleling the fluorescence parameter PhiPSII at 200 micromol m(-2) s(-1) PPFD. On re-wetting the moss after 9-18 d desiccation, the initially negative net CO(2) uptake became positive 10-30 min after re-wetting, restoring a net carbon balance after approx. 0.3-1 h. The parameter F(v)/F(m) reached approx. 80 % of its pre-desiccation value within approx. 10 min of re-wetting. In the presence of the protein-synthesis inhibitors chloramphenicol and cycloheximide, recovery of F(v)/F(m) (and CO(2) exchange) proceeded normally in the dark, but declined rapidly in the light. Though initial recovery was rapid, both net CO(2) uptake and F(v)/F(m) required approx. 24 h to recover completely to pre-desiccation values. The fixation protocols produced neither swelling of tissues nor plasmolysis. Thylakoids, grana and mitochondrial cristae remained intact throughout the drying-re-wetting cycle, but there were striking changes in the form of the organelles, especially the chloroplasts, which had prominent lobes and lamellar extensions in the normally hydrated state, but rounded off when desiccated, returning slowly to their normal state within approx. 24 h of re-wetting. Sub-cellular events during desiccation and re-wetting were generally similar to those seen in published data from the pteridophyte Selaginella lepidophylla. CONCLUSIONS Initial recovery of respiration and photosynthesis (as of protein synthesis) is very rapid, and independent of protein synthesis, suggesting physical reactivation of systems conserved intact through desiccation and rehydration, but full recovery takes approx. 24 h. This is consistent with the cytological evidence, which shows the thylakoids and cristae remaining intact through the whole course of dehydration and rehydration. Substantial and co-ordinated changes in other cell components, which must affect spatial relationships of organelles and metabolic systems, return to normal on a time span similar to full recovery of photosynthesis. Comparison of the present data with recently published results suggests a significant role for the cytoskeleton in desiccation responses.
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Affiliation(s)
- Michael C. F. Proctor
- School of Biological Sciences, University of Exeter, Geoffrey Pope Building, Stocker Road, Exeter EX4 4QD, UK
| | - Roberto Ligrone
- Dipartimento di Scienze ambientali, Seconda Università di Napoli, via A. Vivaldi 43, 81100 Caserta, Italy
| | - Jeffrey G. Duckett
- School of Biological Sciences, Queen Mary and Westfield College, University of London, Mile End Road,London E1 4NS, UK
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Abstract
A survey of phosphorus compounds present in HeLa cells and their acid extracts has been carried out by (31)P nuclear magnetic resonance spectroscopy at 40 MHz. The proton decoupled (31)P spectrum of the neutralized extract had resolution adequate to enable the identification of the main phosphate compounds. The spectral intensities were converted to concentrations. The lower detection limit with extensive signal averaging was 0.02 mumol for the extract. The composition, listed in order of decreasing concentration, was: inorganic phosphate, ATP, phosphorylcholine, creatine phosphate, UTP, NAD(+), glucose 6-phosphate, beta-D-fructose 1,6-bisphosphate, alpha-D-fructose 1,6-bisphosphate, ADP, alpha-glycerophosphorylcholine, and alpha-glycerophosphorylethanolamine. UTP made up (1/5) of the total nucleotide triphosphate content. The composition was compared to the (31)P spectrum of an extract from a human astrocytoma grown in athymic mice. The signal from P-containing macromolecules such as nucleic acids was not detected in the intact HeLa cell spectrum because of broad lines. Effects of the glycolysis inhibitor iodoacetic acid could be clearly shown in spectra of both the intact cell and the extract as buildup of fructose 1,6-bisphosphate at the expense of ATP, UTP, and creatine phosphate.
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