1
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van Niekerk DD, van Wyk M, Kouril T, Snoep JL. Kinetic modelling of glycolytic oscillations. Essays Biochem 2024; 68:15-25. [PMID: 38206647 DOI: 10.1042/ebc20230037] [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: 11/06/2023] [Revised: 12/18/2023] [Accepted: 12/19/2023] [Indexed: 01/12/2024]
Abstract
Glycolytic oscillations have been studied for well over 60 years, but aspects of their function, and mechanisms of regulation and synchronisation remain unclear. Glycolysis is amenable to mechanistic mathematical modelling, as its components have been well characterised, and the system can be studied at many organisational levels: in vitro reconstituted enzymes, cell free extracts, individual cells, and cell populations. In recent years, the emergence of individual cell analysis has opened new ways of studying this intriguing system.
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Affiliation(s)
- David D van Niekerk
- Department of Biochemistry, Stellenbosch University, Matieland, South Africa
| | - Morne van Wyk
- Department of Biochemistry, Stellenbosch University, Matieland, South Africa
| | - Theresa Kouril
- Department of Biochemistry, Stellenbosch University, Matieland, South Africa
| | - Jacky L Snoep
- Department of Biochemistry, Stellenbosch University, Matieland, South Africa
- Molecular Cell Biology, Vrije Universiteit, Amsterdam, The Netherlands
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2
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Guo L, Zhang B, Zhang W, Xie Y, Chen X, Sun X, Watt DS, Liu C, Spielmann HP, Liu X. Inhibition of Carbohydrate Metabolism Potentiated by the Therapeutic Effects of Oxidative Phosphorylation Inhibitors in Colon Cancer Cells. Cancers (Basel) 2024; 16:1399. [PMID: 38611076 PMCID: PMC11010912 DOI: 10.3390/cancers16071399] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2024] [Revised: 03/29/2024] [Accepted: 03/31/2024] [Indexed: 04/14/2024] Open
Abstract
Cancer cells undergo a significant level of "metabolic reprogramming" or "remodeling" to ensure an adequate supply of ATP and "building blocks" for cell survival and to facilitate accelerated proliferation. Cancer cells preferentially use glycolysis for ATP production (the Warburg effect); however, cancer cells, including colorectal cancer (CRC) cells, also depend on oxidative phosphorylation (OXPHOS) for ATP production, a finding that suggests that both glycolysis and OXPHOS play significant roles in facilitating cancer progression and proliferation. Our prior studies identified a semisynthetic isoflavonoid, DBI-1, that served as an AMPK activator targeting mitochondrial complex I. Furthermore, DBI-1 and a glucose transporter 1 (GLUT1) inhibitor, BAY-876, synergistically inhibited CRC cell growth in vitro and in vivo. We now report a study of the structure-activity relationships (SARs) in the isoflavonoid family in which we identified a new DBI-1 analog, namely, DBI-2, with promising properties. Here, we aimed to explore the antitumor mechanisms of DBIs and to develop new combination strategies by targeting both glycolysis and OXPHOS. We identified DBI-2 as a novel AMPK activator using an AMPK phosphorylation assay as a readout. DBI-2 inhibited mitochondrial complex I in the Seahorse assays. We performed proliferation and Western blotting assays and conducted studies of apoptosis, necrosis, and autophagy to corroborate the synergistic effects of DBI-2 and BAY-876 on CRC cells in vitro. We hypothesized that restricting the carbohydrate uptake with a KD would mimic the effects of GLUT1 inhibitors, and we found that a ketogenic diet significantly enhanced the therapeutic efficacy of DBI-2 in CRC xenograft mouse models, an outcome that suggested a potentially new approach for combination cancer therapy.
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Affiliation(s)
- Lichao Guo
- Ministry of Education Key Laboratory of Molecular and Cellular Biology, Hebei Key Laboratory and Center for Drug Innovation and Discovery, College of Life Sciences, Hebei Normal University, Shijiazhuang 050024, China
- Department of Molecular and Cellular Biochemistry, College of Medicine, University of Kentucky, Lexington, KY 40536, USA
- Lucille Parker Markey Cancer Center, University of Kentucky, Lexington, KY 40536, USA
| | - Baochen Zhang
- Ministry of Education Key Laboratory of Molecular and Cellular Biology, Hebei Key Laboratory and Center for Drug Innovation and Discovery, College of Life Sciences, Hebei Normal University, Shijiazhuang 050024, China
- Department of Molecular and Cellular Biochemistry, College of Medicine, University of Kentucky, Lexington, KY 40536, USA
- Lucille Parker Markey Cancer Center, University of Kentucky, Lexington, KY 40536, USA
| | - Wen Zhang
- Department of Molecular and Cellular Biochemistry, College of Medicine, University of Kentucky, Lexington, KY 40536, USA
- Lucille Parker Markey Cancer Center, University of Kentucky, Lexington, KY 40536, USA
| | - Yanqi Xie
- Department of Molecular and Cellular Biochemistry, College of Medicine, University of Kentucky, Lexington, KY 40536, USA
- Lucille Parker Markey Cancer Center, University of Kentucky, Lexington, KY 40536, USA
| | - Xi Chen
- Ministry of Education Key Laboratory of Molecular and Cellular Biology, Hebei Key Laboratory and Center for Drug Innovation and Discovery, College of Life Sciences, Hebei Normal University, Shijiazhuang 050024, China
- Department of Molecular and Cellular Biochemistry, College of Medicine, University of Kentucky, Lexington, KY 40536, USA
- Lucille Parker Markey Cancer Center, University of Kentucky, Lexington, KY 40536, USA
| | - Xueke Sun
- Ministry of Education Key Laboratory of Molecular and Cellular Biology, Hebei Key Laboratory and Center for Drug Innovation and Discovery, College of Life Sciences, Hebei Normal University, Shijiazhuang 050024, China
| | - David S. Watt
- Department of Molecular and Cellular Biochemistry, College of Medicine, University of Kentucky, Lexington, KY 40536, USA
- Lucille Parker Markey Cancer Center, University of Kentucky, Lexington, KY 40536, USA
| | - Chunming Liu
- Department of Molecular and Cellular Biochemistry, College of Medicine, University of Kentucky, Lexington, KY 40536, USA
- Lucille Parker Markey Cancer Center, University of Kentucky, Lexington, KY 40536, USA
| | - H. Peter Spielmann
- Department of Molecular and Cellular Biochemistry, College of Medicine, University of Kentucky, Lexington, KY 40536, USA
- Lucille Parker Markey Cancer Center, University of Kentucky, Lexington, KY 40536, USA
| | - Xifu Liu
- Ministry of Education Key Laboratory of Molecular and Cellular Biology, Hebei Key Laboratory and Center for Drug Innovation and Discovery, College of Life Sciences, Hebei Normal University, Shijiazhuang 050024, China
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3
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Kouril T, October C, Hollocks S, Odendaal C, van Niekerk DD, Snoep JL. Inhibitor titrations reveal low control of glyceraldehyde 3-phosphate dehydrogenase and high control of hexokinase on glycolytic flux in an aggressive triple-negative breast cancer cell line. Biosystems 2023; 231:104969. [PMID: 37423593 DOI: 10.1016/j.biosystems.2023.104969] [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: 05/08/2023] [Revised: 06/28/2023] [Accepted: 06/29/2023] [Indexed: 07/11/2023]
Abstract
The glycolytic flux, and in particular lactate production, is strongly increased in cancer cells compared to normal cells, a characteristic often referred to as aerobic glycolysis or the Warburg effect. This makes the glycolytic pathway a potential drug target, in particular if the flux control distribution in the pathway has shifted due to the metabolic reprogramming in cancer cells. The flux response of a drug is dependent on both the sensitivity of the target to the drug and the flux control of the target, and both these characteristics can be exploited to obtain selectivity for cancer cells. Traditionally drug development programs have focused on selective sensitivity of the drug, not necessarily focussing on the flux control of the target. We determined the flux control of two steps that have been suggested to have high control in cancer cells, using two inhibitors, iodoacetic acid and 3-bromopyruvate, and measured a flux control of the glyceraldehyde 3-phosphate dehydrogenase close to zero, while the hexokinase holds 50% of all flux control in glycolysis in an invasive cancer cell line MDA-mb-231.
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Affiliation(s)
- Theresa Kouril
- Department of Biochemistry, Stellenbosch University, South Africa
| | - Craig October
- Department of Biochemistry, Stellenbosch University, South Africa
| | | | | | | | - Jacky L Snoep
- Department of Biochemistry, Stellenbosch University, South Africa; Molecular Cell Biology, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands.
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4
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Marín-Hernández Á, Saavedra E. Metabolic control analysis as a strategy to identify therapeutic targets, the case of cancer glycolysis. Biosystems 2023; 231:104986. [PMID: 37506818 DOI: 10.1016/j.biosystems.2023.104986] [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: 03/15/2023] [Revised: 07/23/2023] [Accepted: 07/25/2023] [Indexed: 07/30/2023]
Abstract
The use of kinetic modeling and metabolic control analysis (MCA) to identify possible therapeutic targets and to investigate the controlling and regulatory mechanisms in cancer glycolysis is here reviewed. The glycolytic pathway has been considered a target to decrease cancer cell growth; however, its occurrence in normal cells makes it difficult to design therapeutic strategies that target this pathway in pathological cells. Notwithstanding, the over-expression of all enzymes and transporters, as well as the expression of isoenzymes with different kinetic and regulatory properties in cancer cells, suggested a different distribution of the control of glycolytic flux than that observed in normal cells. Kinetic models of glycolysis are constructed with enzyme kinetics experimental data, validated with the steady-state metabolite concentrations and glycolytic fluxes; applying MCA, permitted us to identify the steps with the highest control of glycolysis in cancer cells, but low control in normal cells. The cancer glycolysis main controlling steps under several metabolic conditions were: glucose transport, hexokinase and hexose-6-phosphate isomerase (HPI); whereas in normal cells were: the first two and phosphofructokinase-1. HPI is the best therapeutic target because it exerts high control in cancer glycolytic flux, but not in normal cells. Furthermore, kinetic modeling also contributed to identifying new feed-back and feed-forward regulatory loops in cancer cells glycolysis, and to understanding the mode of metabolic action of glycolytic inhibitors. Thus, MCA and metabolic modeling allowed to propose new strategies for inhibiting glycolysis in cancer cells.
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Affiliation(s)
- Álvaro Marín-Hernández
- Departamento de Bioquímica, Instituto Nacional de Cardiología Ignacio Chávez, Mexico City, 14080, Mexico.
| | - Emma Saavedra
- Departamento de Bioquímica, Instituto Nacional de Cardiología Ignacio Chávez, Mexico City, 14080, Mexico
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5
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Huang CY, Loo DM, Gu W. Modeling of glycosaminoglycan biosynthesis in intervertebral disc cells. Comput Biol Med 2023; 162:107039. [PMID: 37295387 DOI: 10.1016/j.compbiomed.2023.107039] [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: 10/05/2022] [Revised: 05/05/2023] [Accepted: 05/12/2023] [Indexed: 06/12/2023]
Abstract
Loss of proteoglycan (PG) is a potential factor responsible for degeneration of the intervertebral disc (IVD). PG consists of a core protein with covalently attached glycosaminoglycan (GAG) chains. The objective of this study was to develop a mathematical model of GAG biosynthesis to investigate the effects of glycolytic enzymes on GAG biosynthesis of IVD cells. A new mathematical model of GAG biosynthesis was developed for IVD cells by incorporating biosynthesis of uridine diphosphate-sugars into the glycolytic pathway. This new model showed good agreement between the model predictions of intracellular ATP content and GAG biosynthesis and experimental data measured at different external glucose levels. The quantitative analyses demonstrated that GAG biosynthesis may be sensitive to the activities of hexokinase (HK) and phosphofructokinase (PFK), especially at low glucose supply, with GAG biosynthesis being significantly enhanced by a slight increase in activities of HK and PFK. This suggests that metabolic reprogramming could be a potential strategy for promoting PG biosynthesis in IVD cells. Furthermore, it was shown that GAG biosynthesis may be promoted by increasing intracellular glutamine concentration or activity of glutamine:fructose-6-phosphate amidotransferase in the hexamine pathway. This study provides a better understanding of the relationship between glycolysis and PG biosynthesis in IVD cells. The theoretical framework developed in this study is useful for studying the role of glycolysis in disc degeneration and developing new preventive and treatment strategies for degeneration of the IVD.
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Affiliation(s)
- Chun-Yuh Huang
- Department of Biomedical Engineering, University of Miami, Coral Gables, FL, USA.
| | - Daniela M Loo
- Department of Biomedical Engineering, University of Miami, Coral Gables, FL, USA
| | - Weiyong Gu
- Department of Mechanical and Aerospace Engineering, University of Miami, Coral Gables, FL, USA
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6
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Nevárez-Ramírez AJ, Guzmán-Ortiz AL, Cortes-Reynosa P, Perez-Salazar E, Jaimes-Ortega GA, Valle-Rios R, Marín-Hernández Á, Rodríguez-Zavala JS, Ruiz-May E, Castrejón-Flores JL, Quezada H. Shotgun Proteomics of Co-Cultured Leukemic and Bone Marrow Stromal Cells from Different Species as a Preliminary Approach to Detect Intercellular Protein Transfer. Proteomes 2023; 11:proteomes11020015. [PMID: 37092456 PMCID: PMC10123657 DOI: 10.3390/proteomes11020015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2023] [Revised: 03/25/2023] [Accepted: 04/03/2023] [Indexed: 04/08/2023] Open
Abstract
Cellular interactions within the bone marrow microenvironment modulate the properties of subsets of leukemic cells leading to the development of drug-resistant phenotypes. The intercellular transfer of proteins and organelles contributes to this process but the set of transferred proteins and their effects in the receiving cells remain unclear. This study aimed to detect the intercellular protein transfer from mouse bone marrow stromal cells (OP9 cell line) to human T-lymphoblasts (CCRF-CEM cell line) using nanoLC-MS/MS-based shotgun proteomics in a 3D co-culture system. After 24 h of co-culture, 1513 and 67 proteins from human and mouse origin, respectively, were identified in CCRF-CEM cells. The presence of mouse proteins in the human cell line, detected by analyzing the differences in amino acid sequences of orthologous peptides, was interpreted as the result of intercellular transfer. The transferred proteins might have contributed to the observed resistance to vincristine, methotrexate, and hydrogen peroxide in the co-cultured leukemic cells. Our results suggest that shotgun proteomic analyses of co-cultured cells from different species could be a simple option to get a preliminary survey of the proteins exchanged among interacting cells.
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Affiliation(s)
- Abraham Josué Nevárez-Ramírez
- Laboratorio de Investigación en Inmunología y Proteómica, Hospital Infantil de México Federico Gómez, Dr. Márquez 162, Doctores, Mexico City 06720, Mexico
- Unidad Profesional Interdisciplinaria de Biotecnología, Instituto Politécnico Nacional, Av. Acueducto s/n, Barrio La Laguna, Mexico City 07340, Mexico
| | - Ana Laura Guzmán-Ortiz
- Laboratorio de Investigación en Inmunología y Proteómica, Hospital Infantil de México Federico Gómez, Dr. Márquez 162, Doctores, Mexico City 06720, Mexico
| | - Pedro Cortes-Reynosa
- Departamento de Biología Celular, CINVESTAV-IPN, Av Instituto Politécnico Nacional 2508, San Pedro Zacatenco, Mexico City 07360, Mexico
| | - Eduardo Perez-Salazar
- Departamento de Biología Celular, CINVESTAV-IPN, Av Instituto Politécnico Nacional 2508, San Pedro Zacatenco, Mexico City 07360, Mexico
| | - Gustavo Alberto Jaimes-Ortega
- Laboratorio de Investigación en Inmunología y Proteómica, Hospital Infantil de México Federico Gómez, Dr. Márquez 162, Doctores, Mexico City 06720, Mexico
- División de Investigación, Facultad de Medicina, Universidad Nacional Autónoma de México (UNAM), Circuito interior, Av. Universidad 3000, Ciudad Universitaria, Coyoacán, Mexico City 04510, Mexico
| | - Ricardo Valle-Rios
- Laboratorio de Investigación en Inmunología y Proteómica, Hospital Infantil de México Federico Gómez, Dr. Márquez 162, Doctores, Mexico City 06720, Mexico
- División de Investigación, Facultad de Medicina, Universidad Nacional Autónoma de México (UNAM), Circuito interior, Av. Universidad 3000, Ciudad Universitaria, Coyoacán, Mexico City 04510, Mexico
| | - Álvaro Marín-Hernández
- Departamento de Bioquímica, Instituto Nacional de Cardiología Ignacio Chávez, Juan Badiano 1, Belisario Domínguez—Sección XVI, Mexico City 14080, Mexico
| | - José S. Rodríguez-Zavala
- Departamento de Bioquímica, Instituto Nacional de Cardiología Ignacio Chávez, Juan Badiano 1, Belisario Domínguez—Sección XVI, Mexico City 14080, Mexico
| | - Eliel Ruiz-May
- Red de Estudios Moleculares Avanzados, Clúster Científico y Tecnológico BioMimic®, Instituto de Ecología A.C. (INECOL), Carretera Antigua a Coatepec 351, El Haya, Xalapa 91073, Mexico
| | - José Luis Castrejón-Flores
- Unidad Profesional Interdisciplinaria de Biotecnología, Instituto Politécnico Nacional, Av. Acueducto s/n, Barrio La Laguna, Mexico City 07340, Mexico
| | - Héctor Quezada
- Laboratorio de Investigación en Inmunología y Proteómica, Hospital Infantil de México Federico Gómez, Dr. Márquez 162, Doctores, Mexico City 06720, Mexico
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7
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Aparicio A, Camacho ET, Philp NJ, Wirkus SA. A mathematical model of GLUT1 modulation in rods and RPE and its differential impact in cell metabolism. Sci Rep 2022; 12:10645. [PMID: 35739198 PMCID: PMC9226191 DOI: 10.1038/s41598-022-13950-3] [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: 08/03/2020] [Accepted: 05/31/2022] [Indexed: 11/10/2022] Open
Abstract
We present a mathematical model of key glucose metabolic pathways in two cells of the human retina: the rods and the retinal pigmented epithelium (RPE). Computational simulations of glucose transporter 1 (GLUT1) inhibition in the model accurately reproduce experimental data from conditional knockout mice and reveal that modification of GLUT1 expression levels of both cells differentially impacts their metabolism. We hypothesize that, under glucose scarcity, the RPE's energy producing pathways are altered in order to preserve its functionality, impacting the photoreceptors' outer segment renewal. On the other hand, when glucose is limited in the rods, aerobic glycolysis is preserved, which maintains the lactate contribution to the RPE.
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Affiliation(s)
- Andrea Aparicio
- School of Mathematical and Natural Sciences, Arizona State University, Glendale, AZ, USA.
| | - Erika T Camacho
- School of Mathematical and Natural Sciences, Arizona State University, Glendale, AZ, USA
| | - Nancy J Philp
- Department of Pathology, Anatomy and Cell Biology, Thomas Jefferson University, Philadelphia, PA, USA
| | - Stephen A Wirkus
- School of Mathematical and Natural Sciences, Arizona State University, Glendale, AZ, USA
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Oliveira T, Lemos D, Jean L, Kawashima JM, de Azevedo VR, Salustiano EJ, Rumjanek VM, Monteiro RQ. Detachment of Hexokinase II From Mitochondria Promotes Collateral Sensitivity in Multidrug Resistant Chronic Myeloid Leukemia Cells. Front Oncol 2022; 12:852985. [PMID: 35719932 PMCID: PMC9204307 DOI: 10.3389/fonc.2022.852985] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2022] [Accepted: 04/11/2022] [Indexed: 11/13/2022] Open
Abstract
Chronic Myeloid Leukemia is a neoplastic disease characterized by the abnormal expansion of hematopoietic cells with compromised functions. Leukemic cells often display a multidrug resistance phenotype, enabling them to evade a number of structurally unrelated cytotoxic compounds. One of those mechanisms relies on the high expression of efflux transporters, such as the ABC proteins, whose activity depends on the hydrolysis of ATP to reduce intracellular drug accumulation. In the present work, we employed a well-known erythroleukemia cell line, K562, and a multidrug resistant derivative cell, FEPS, to evaluate how hexokinase II, a key regulator for the rate-limiting step glycolysis, contributes to the establishment of the multidrug resistance phenotype. We found that multidrug resistant cells primarily resort to glycolysis to generate ATP. Clotrimazole reduced the expression of mitochondrial hexokinase II, which destabilized bioenergetic parameters such as reactive oxygen species production, ATP, and glutathione levels on multidrug resistant cells. This impaired the activity of ABCC1, leading to increased drug accumulation and cell death. In summary, we propose that decoupling of hexokinase II from the mitochondria emerges as a promising strategy to generate collateral sensitivity and aid in the management of chronic myeloid leukemia in chemotherapy-refractory patients.
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Affiliation(s)
- Thaís Oliveira
- Laboratório de Trombose e Câncer, Instituto de Bioquímica Médica Leopoldo de Meis, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Douglas Lemos
- Laboratório de Trombose e Câncer, Instituto de Bioquímica Médica Leopoldo de Meis, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Louise Jean
- Laboratório de Trombose e Câncer, Instituto de Bioquímica Médica Leopoldo de Meis, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Jéssica M Kawashima
- Laboratório de Trombose e Câncer, Instituto de Bioquímica Médica Leopoldo de Meis, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Vitória R de Azevedo
- Laboratório de Trombose e Câncer, Instituto de Bioquímica Médica Leopoldo de Meis, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Eduardo J Salustiano
- Laboratório de Imunologia Tumoral, Instituto de Bioquímica Médica Leopoldo de Meis, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Vivian M Rumjanek
- Laboratório de Imunologia Tumoral, Instituto de Bioquímica Médica Leopoldo de Meis, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Robson Q Monteiro
- Laboratório de Trombose e Câncer, Instituto de Bioquímica Médica Leopoldo de Meis, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
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9
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Wang J, Delfarah A, Gelbach PE, Fong E, Macklin P, Mumenthaler SM, Graham NA, Finley SD. Elucidating tumor-stromal metabolic crosstalk in colorectal cancer through integration of constraint-based models and LC-MS metabolomics. Metab Eng 2021; 69:175-187. [PMID: 34838998 PMCID: PMC8818109 DOI: 10.1016/j.ymben.2021.11.006] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2021] [Revised: 10/07/2021] [Accepted: 11/09/2021] [Indexed: 12/28/2022]
Abstract
Colorectal cancer (CRC) is a major cause of morbidity and mortality in the United States. Tumor-stromal metabolic crosstalk in the tumor microenvironment promotes CRC development and progression, but exactly how stromal cells, in particular cancer-associated fibroblasts (CAFs), affect the metabolism of tumor cells remains unknown. Here we take a data-driven approach to investigate the metabolic interactions between CRC cells and CAFs, integrating constraint-based modeling and metabolomic profiling. Using metabolomics data, we perform unsteady-state parsimonious flux balance analysis to infer flux distributions for central carbon metabolism in CRC cells treated with or without CAF-conditioned media. We find that CAFs reprogram CRC metabolism through stimulation of glycolysis, the oxidative arm of the pentose phosphate pathway (PPP), and glutaminolysis, as well as inhibition of the tricarboxylic acid cycle. To identify potential therapeutic targets, we simulate enzyme knockouts and find that CAF-treated CRC cells are especially sensitive to inhibitions of hexokinase and glucose-6-phosphate, the rate limiting steps of glycolysis and oxidative PPP. Our work gives mechanistic insights into the metabolic interactions between CRC cells and CAFs and provides a framework for testing hypotheses towards CRC-targeted therapies.
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Affiliation(s)
- Junmin Wang
- Department of Biomedical Engineering, University of Southern California, Los Angeles, CA, 90089, USA
| | - Alireza Delfarah
- Mork Family Department of Chemical Engineering and Materials Science, University of Southern California, Los Angeles, CA, 90089, USA
| | - Patrick E Gelbach
- Department of Biomedical Engineering, University of Southern California, Los Angeles, CA, 90089, USA
| | - Emma Fong
- Lawrence J. Ellison Institute for Transformative Medicine, Los Angeles, CA, 90064, USA
| | - Paul Macklin
- Department of Intelligent Systems Engineering, Indiana University, Bloomington, IN, 46202, USA
| | - Shannon M Mumenthaler
- Lawrence J. Ellison Institute for Transformative Medicine, Los Angeles, CA, 90064, USA; Division of Medical Oncology, Norris Comprehensive Cancer Center, University of Southern California, Los Angeles, CA, 90033, USA
| | - Nicholas A Graham
- Mork Family Department of Chemical Engineering and Materials Science, University of Southern California, Los Angeles, CA, 90089, USA
| | - Stacey D Finley
- Department of Biomedical Engineering, University of Southern California, Los Angeles, CA, 90089, USA; Mork Family Department of Chemical Engineering and Materials Science, University of Southern California, Los Angeles, CA, 90089, USA; Department of Quantitative and Computational Biology, University of Southern California, Los Angeles, CA, 90089, USA.
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10
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Moreno-Sánchez R, Gallardo-Pérez JC, Pacheco-Velazquez SC, Robledo-Cadena DX, Rodríguez-Enríquez S, Encalada R, Saavedra E, Marín-Hernández Á. Regulatory role of acetylation on enzyme activity and fluxes of energy metabolism pathways. Biochim Biophys Acta Gen Subj 2021; 1865:130021. [PMID: 34597724 DOI: 10.1016/j.bbagen.2021.130021] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2021] [Revised: 09/20/2021] [Accepted: 09/26/2021] [Indexed: 12/11/2022]
Abstract
BACKGROUND Most of the enzymes involved in the central carbon metabolism are acetylated in Lys residues. It has been claimed that this covalent modification represents a novel regulatory mechanism by which both enzyme/transporter activities and pathway fluxes can be modulated. METHODS To establish which enzymes are regulated by acetylation, a systematic experimental analysis of activities and acetylation profile for several energy metabolism enzymes and pathway fluxes was undertaken in cells and mitochondria. RESULTS The majority of the glycolytic and neighbor enzymes as well as mitochondrial enzymes indeed showed Lys-acetylation, with GLUT1, HPI, CS, ATP synthase displaying comparatively lower acetylation patterns. The incubation of cytosolic and mitochondrial fractions with recombinant Sirt-3 produced lower acetylation signals, whereas incubation with acetyl-CoA promoted protein acetylation. Significant changes in acetylation levels of MDH and IDH-2 from rat liver mitochondria revealed no change in their activities. Similar observations were attained for the cytosolic enzymes from AS-30D and HeLa cells. A minor but significant (23%) increase in the AAT-MDH complex activity induced by acetylation was observed. To examine this question further, AS-30D and HeLa cells were treated with nicotinamide and valproic acid. These compounds promoted changes in the acetylation patterns of glycolytic proteins, although their activities and the glycolytic flux (as well as the OxPhos flux) revealed no clear correlation with acetylation. CONCLUSION Acetylation seems to play no predominant role in the control of energy metabolism enzyme activities and pathway fluxes. GENERAL SIGNIFICANCE The physiological function of protein acetylation on energy metabolism pathways remains to be elucidated.
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Affiliation(s)
- Rafael Moreno-Sánchez
- Departamento de Bioquímica, Instituto Nacional de Cardiología, Mexico City 14080, Mexico
| | | | | | | | | | - Rusely Encalada
- Departamento de Bioquímica, Instituto Nacional de Cardiología, Mexico City 14080, Mexico
| | - Emma Saavedra
- Departamento de Bioquímica, Instituto Nacional de Cardiología, Mexico City 14080, Mexico
| | - Álvaro Marín-Hernández
- Departamento de Bioquímica, Instituto Nacional de Cardiología, Mexico City 14080, Mexico.
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11
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Niu Y, Lin Z, Wan A, Sun L, Yan S, Liang H, Zhan S, Chen D, Bu X, Liu P, Chen C, He W, Lu X, Wan G. Loss-of-Function Genetic Screening Identifies Aldolase A as an Essential Driver for Liver Cancer Cell Growth Under Hypoxia. Hepatology 2021; 74:1461-1479. [PMID: 33813748 PMCID: PMC8518375 DOI: 10.1002/hep.31846] [Citation(s) in RCA: 48] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/27/2020] [Revised: 03/10/2021] [Accepted: 03/17/2021] [Indexed: 12/28/2022]
Abstract
BACKGROUND AND AIMS Hypoxia is a common feature of the tumor microenvironment (TME), which promotes tumor progression, metastasis, and therapeutic drug resistance through a myriad of cell activities in tumor and stroma cells. While targeting hypoxic TME is emerging as a promising strategy for treating solid tumors, preclinical development of this approach is lacking in the study of HCC. APPROACH AND RESULTS From a genome-wide CRISPR/CRISPR-associated 9 gene knockout screening, we identified aldolase A (ALDOA), a key enzyme in glycolysis and gluconeogenesis, as an essential driver for HCC cell growth under hypoxia. Knockdown of ALDOA in HCC cells leads to lactate depletion and consequently inhibits tumor growth. Supplementation with lactate partly rescues the inhibitory effects mediated by ALDOA knockdown. Upon hypoxia, ALDOA is induced by hypoxia-inducible factor-1α and fat mass and obesity-associated protein-mediated N6 -methyladenosine modification through transcriptional and posttranscriptional regulation, respectively. Analysis of The Cancer Genome Atlas shows that elevated levels of ALDOA are significantly correlated with poor prognosis of patients with HCC. In a screen of Food and Drug Administration-approved drugs based on structured hierarchical virtual platforms, we identified the sulfamonomethoxine derivative compound 5 (cpd-5) as a potential inhibitor to target ALDOA, evidenced by the antitumor activity of cpd-5 in preclinical patient-derived xenograft models of HCC. CONCLUSIONS Our work identifies ALDOA as an essential driver for HCC cell growth under hypoxia, and we demonstrate that inhibition of ALDOA in the hypoxic TME is a promising therapeutic strategy for treating HCC.
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Affiliation(s)
- Yi Niu
- National‐Local Joint Engineering Laboratory of Druggability and New Drug EvaluationNational Engineering Research Center for New Drug and Druggability (cultivation)Guangdong Province Key Laboratory of New Drug Design and EvaluationSchool of Pharmaceutical SciencesSun Yat‐Sen UniversityGuangzhouChina
| | - Ziyou Lin
- National‐Local Joint Engineering Laboratory of Druggability and New Drug EvaluationNational Engineering Research Center for New Drug and Druggability (cultivation)Guangdong Province Key Laboratory of New Drug Design and EvaluationSchool of Pharmaceutical SciencesSun Yat‐Sen UniversityGuangzhouChina
| | - Arabella Wan
- Department of Gastrointestinal SurgeryThe First Affiliated HospitalSun Yat‐Sen UniversityGuangzhouChina
| | - Lei Sun
- National‐Local Joint Engineering Laboratory of Druggability and New Drug EvaluationNational Engineering Research Center for New Drug and Druggability (cultivation)Guangdong Province Key Laboratory of New Drug Design and EvaluationSchool of Pharmaceutical SciencesSun Yat‐Sen UniversityGuangzhouChina
| | - Shijia Yan
- National‐Local Joint Engineering Laboratory of Druggability and New Drug EvaluationNational Engineering Research Center for New Drug and Druggability (cultivation)Guangdong Province Key Laboratory of New Drug Design and EvaluationSchool of Pharmaceutical SciencesSun Yat‐Sen UniversityGuangzhouChina
| | - Heng Liang
- National‐Local Joint Engineering Laboratory of Druggability and New Drug EvaluationNational Engineering Research Center for New Drug and Druggability (cultivation)Guangdong Province Key Laboratory of New Drug Design and EvaluationSchool of Pharmaceutical SciencesSun Yat‐Sen UniversityGuangzhouChina
| | - Siyue Zhan
- National‐Local Joint Engineering Laboratory of Druggability and New Drug EvaluationNational Engineering Research Center for New Drug and Druggability (cultivation)Guangdong Province Key Laboratory of New Drug Design and EvaluationSchool of Pharmaceutical SciencesSun Yat‐Sen UniversityGuangzhouChina
| | - Dongshi Chen
- Division of Pulmonary, Allergy and Critical Care MedicineDepartment of MedicineUniversity of PittsburghPittsburghPA
| | - Xianzhang Bu
- National‐Local Joint Engineering Laboratory of Druggability and New Drug EvaluationNational Engineering Research Center for New Drug and Druggability (cultivation)Guangdong Province Key Laboratory of New Drug Design and EvaluationSchool of Pharmaceutical SciencesSun Yat‐Sen UniversityGuangzhouChina
| | - Peiqing Liu
- National‐Local Joint Engineering Laboratory of Druggability and New Drug EvaluationNational Engineering Research Center for New Drug and Druggability (cultivation)Guangdong Province Key Laboratory of New Drug Design and EvaluationSchool of Pharmaceutical SciencesSun Yat‐Sen UniversityGuangzhouChina
| | - Ceshi Chen
- Key Laboratory of Animal Models and HumanDisease Mechanisms of the Chinese Academy of Sciences and Yunnan ProvinceKunming Institute of ZoologyChinese Academy of SciencesKunmingYunnanChina
| | - Weiling He
- Department of Gastrointestinal SurgeryThe First Affiliated HospitalSun Yat‐Sen UniversityGuangzhouChina,Center for Precision MedicineSun Yat‐Sen UniversityGuangzhouChina
| | - Xiongbin Lu
- Department of Medical and Molecular GeneticsIndiana University School of MedicineIndianapolisIN,Indiana University Melvin and Bren Simon Cancer CenterIndianapolisIN
| | - Guohui Wan
- National‐Local Joint Engineering Laboratory of Druggability and New Drug EvaluationNational Engineering Research Center for New Drug and Druggability (cultivation)Guangdong Province Key Laboratory of New Drug Design and EvaluationSchool of Pharmaceutical SciencesSun Yat‐Sen UniversityGuangzhouChina
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12
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Wang J, Zhou M, Chen F, Liu X, Gao J, Wang W, Wang H, Yu H. Stimuli-Sheddable Nanomedicine Overcoming Pathophysiological Barriers for Potentiating Immunotherapy of Cancer. J Biomed Nanotechnol 2021; 17:1486-1509. [PMID: 34544528 DOI: 10.1166/jbn.2021.3134] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Immunotherapy displays potent potential for clinical cancer management by activating the protective immune response; however, the microenvironment of the immunosuppressive tumor restricts the efficiency of immunotherapies. Along with the complex pathophysiological barrier of the solid tumors, successful immunotherapeutic delivery remains a formidable challenge for conventional nanomedicine. Stimuli-sheddable nano vectors may facilitate the delivery of cargoes to tumors with minimal premature cargo leakage in blood circulation while enhancing the tumor penetration of nanomedicines by deshielding the polyethylene glycol (PEG) corona upon endogenous activity such as acidity, enzymes and glutathione, or external stimuli, such as laser irradiation. Throughout this study, researchers overviewed the recent advances of nanomedicine-based cancer immunotherapy using the stimuli-responsive deshielding nano vectors, which allowed researchers to integrate multiple therapeutic regimens for inducing immunogenic cell death. This aided in blocking the immune checkpoints, repolarizing the macrophages, and regulating the kynurenine metabolism. Furthermore, researchers discussed the critical issues in the development of stimuli-sheddable nanoimmunodulators, primarily aimed at speeding up their clinical translation. Finally, researchers provided novel perspectives for improving cancer management with the stimuli-sheddable nanomedicine.
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Affiliation(s)
- Jiaxin Wang
- College of Chemistry and Chemical Engineering, Inner Magnolia University, Huhhot, 010021, China
| | - Mengxue Zhou
- State Key Laboratory of Drug Research & Center of Pharmaceutics, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203, China
| | - Fangmin Chen
- State Key Laboratory of Drug Research & Center of Pharmaceutics, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203, China
| | - Xiao Liu
- School of Pharmacy, Nantong University, Nantong, Jiangsu Province, 226001, China
| | - Jin Gao
- State Key Laboratory of Drug Research & Center of Pharmaceutics, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203, China
| | - Weiqi Wang
- School of Pharmacy, Nantong University, Nantong, Jiangsu Province, 226001, China
| | - Hui Wang
- College of Chemistry and Chemical Engineering, Inner Magnolia University, Huhhot, 010021, China
| | - Haijun Yu
- State Key Laboratory of Drug Research & Center of Pharmaceutics, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203, China
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13
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Pettenuzzo A, Vezzù K, Di Paolo ML, Fotopoulou E, Marchiò L, Via LD, Ronconi L. Design, physico-chemical characterization and in vitro biological activity of organogold(III) glycoconjugates. Dalton Trans 2021; 50:8963-8979. [PMID: 34110336 DOI: 10.1039/d1dt01100f] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
To develop new metal-based glycoconjugates as potential anticancer agents, four organometallic gold(iii)-dithiocarbamato glycoconjugates of the type [AuIII(2-Bnpy)(SSC-Inp-GlcN)](PF6) (2-Bnpy: 2-benzylpyridine; Inp: isonipecotic moiety; GlcN: amino-glucose scaffold; Au3-Au6) and the corresponding model non-glycosylated counterparts [AuIII(2-Bnpy)(SSC-Inp-R)](PF6) (R: OEt (Au1), NH2 (Au2)) have been generated and characterized by means of several analytical techniques (elemental analysis, FT-IR, 1H-/13C-NMR, ESI-MS, UV-Vis, X-ray crystallography). Their stability under physiologically-relevant conditions (PBS solution) and n-octanol/PBS distribution coefficient (D7.4) have also been evaluated. Gold(iii) glycoconjugates showed an antiproliferative effect against ovarian carcinoma A2780 cells, with GI50 values in the low micromolar range. Remarkably, their cell growth inhibitory effect increases upon the addition of a glucose transporter 1 (GLUT1) inhibitor, thus ruling out the involvement of GLUT1 in their transport inside the cell. Additional mechanistic studies have been carried out in A2780 cells, supporting the hypothesis of a facilitated diffusion mechanism (possibly mediated by glucose transporters other than GLUT1), and revealing their capability to act as topoisomerase I and II inhibitors and to disrupt mitochondrial membrane integrity, leading to the generation of ROS, thus resulting in the promotion of oxidative stress and, eventually, cell death.
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Affiliation(s)
- Andrea Pettenuzzo
- National University of Ireland Galway, School of Chemistry, University Road, H91 TK33 Galway, Co. Galway, Ireland.
| | - Keti Vezzù
- University of Padova, Department of Industrial Engineering, Via F. Marzolo 8, 35131 Padova, Italy
| | - Maria Luisa Di Paolo
- University of Padova, Department of Molecular Medicine, Via G. Colombo 3, 35131 Padova, Italy
| | - Eirini Fotopoulou
- National University of Ireland Galway, School of Chemistry, University Road, H91 TK33 Galway, Co. Galway, Ireland.
| | - Luciano Marchiò
- University of Parma, Department of Chemistry, Life Sciences and Environmental Sustainability, Parco Area delle Scienze 11/a, 43124 Parma, Italy
| | - Lisa Dalla Via
- University of Padova, Department of Pharmaceutical and Pharmacological Sciences, Via F. Marzolo 5, 35131 Padova, Italy.
| | - Luca Ronconi
- National University of Ireland Galway, School of Chemistry, University Road, H91 TK33 Galway, Co. Galway, Ireland.
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14
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Otto AM. Metabolic Constants and Plasticity of Cancer Cells in a Limiting Glucose and Glutamine Microenvironment-A Pyruvate Perspective. Front Oncol 2020; 10:596197. [PMID: 33425750 PMCID: PMC7793857 DOI: 10.3389/fonc.2020.596197] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2020] [Accepted: 10/21/2020] [Indexed: 12/18/2022] Open
Abstract
The metabolism of cancer cells is an issue of dealing with fluctuating and limiting levels of nutrients in a precarious microenvironment to ensure their vitality and propagation. Glucose and glutamine are central metabolites for catabolic and anabolic metabolism, which is in the limelight of numerous diagnostic methods and therapeutic targeting. Understanding tumor metabolism in conditions of nutrient depletion is important for such applications and for interpreting the readouts. To exemplify the metabolic network of tumor cells in a model system, the fate 13C6-glucose was tracked in a breast cancer cell line growing in variable low glucose/low glutamine conditions. 13C-glucose-derived metabolites allowed to deduce the engagement of metabolic pathways, namely glycolysis, the TCA-cycle including glutamine and pyruvate anaplerosis, amino acid synthesis (serine, glycine, aspartate, glutamate), gluconeogenesis, and pyruvate replenishment. While the metabolic program did not change, limiting glucose and glutamine supply reduced cellular metabolite levels and enhanced pyruvate recycling as well as pyruvate carboxylation for entry into the TCA-cycle. Otherwise, the same metabolic pathways, including gluconeogenesis, were similarly engaged with physiologically saturating as with limiting glucose and glutamine. Therefore, the metabolic plasticity in precarious nutritional microenvironment does not require metabolic reprogramming, but is based on dynamic changes in metabolite quantity, reaction rates, and directions of the existing metabolic network.
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Affiliation(s)
- Angela M Otto
- Munich School of BioEngineering, Technical University of Munich, Garching, Germany
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15
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Gherardelli C, Cisternas P, Gutiérrez J, Martinez M, Inestrosa NC. Andrographolide restores glucose uptake in rat hippocampal neurons. J Neurochem 2020; 157:1222-1233. [PMID: 33124061 DOI: 10.1111/jnc.15229] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2020] [Revised: 10/15/2020] [Accepted: 10/19/2020] [Indexed: 12/20/2022]
Abstract
Cerebral glucose hypometabolism is a common pathophysiological characteristic of many neurodegenerative diseases. This metabolic dysfunction includes alterations in glucose transport from the blood into the neurons by the facilitative glucose transporters (GLUTs). Several studies suggest that metabolic disturbances precede clinical symptoms and correlate with disease progression. Some groups have started to explore the use of therapeutic strategies that target decreased cerebral glucose metabolism to promote its availability. We selected Andrographolide (Andro), a natural product obtained from Andrographis paniculate that has both anti-hyperglycemic and anti-diabetic effects. Although it was shown to promote glucose uptake in vivo, the underlying mechanisms remain unclear. Here, we evaluated the acute effects of Andro on glucose transport and metabolism using primary rat hippocampal neuronal cultures. Our results showed that Andro enhances neuronal glucose uptake and stimulates glucose metabolism by inducing GLUT3 and 4 expression in neurons, as well as by promoting glycolysis. We also observed that Andro-mediated effects depend on the activity of AMP-activated protein kinase (AMPK), one of the central regulators of glucose metabolism. Our studies open the possibility to use Andro as a drug to restore glucose levels in neurodegenerative diseases.
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Affiliation(s)
- Camila Gherardelli
- Centro de Envejecimiento y Regeneración (CARE-UC), Departamento de Biología Celular y Molecular, Facultad de Ciencias Biológicas, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Pedro Cisternas
- Centro de Envejecimiento y Regeneración (CARE-UC), Departamento de Biología Celular y Molecular, Facultad de Ciencias Biológicas, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Joel Gutiérrez
- Centro de Envejecimiento y Regeneración (CARE-UC), Departamento de Biología Celular y Molecular, Facultad de Ciencias Biológicas, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Milka Martinez
- Centro de Envejecimiento y Regeneración (CARE-UC), Departamento de Biología Celular y Molecular, Facultad de Ciencias Biológicas, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Nibaldo C Inestrosa
- Centro de Envejecimiento y Regeneración (CARE-UC), Departamento de Biología Celular y Molecular, Facultad de Ciencias Biológicas, Pontificia Universidad Católica de Chile, Santiago, Chile.,Centro de Excelencia en Biomedicina de Magallanes (CEBIMA), Universidad de Magallanes, Punta Arenas, Chile
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16
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Marín-Hernández Á, Gallardo-Pérez JC, Reyes-García MA, Sosa-Garrocho M, Macías-Silva M, Rodríguez-Enríquez S, Moreno-Sánchez R, Saavedra E. Kinetic modeling of glucose central metabolism in hepatocytes and hepatoma cells. Biochim Biophys Acta Gen Subj 2020; 1864:129687. [PMID: 32712171 DOI: 10.1016/j.bbagen.2020.129687] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2020] [Revised: 06/28/2020] [Accepted: 07/20/2020] [Indexed: 12/14/2022]
Abstract
BACKGROUND Kinetic modeling and control analysis of a metabolic pathway may identify the steps with the highest control in tumor cells, and low control in normal cells, which can be proposed as the best therapeutic targets. METHODS Enzyme kinetic characterization, pathway kinetic modeling and control analysis of the glucose central metabolism were carried out in rat (hepatoma AS-30D) and human (cervix HeLa) cancer cells and normal rat hepatocytes. RESULTS The glycogen metabolism enzymes in AS-30D, HeLa cells and hepatocytes showed similar kinetic properties, except for higher AS-30D glycogen phosphorylase (GP) sensitivity to AMP. Pathway modeling indicated that fluxes of glycogen degradation and PPP were mainly controlled by GP and NADPH consumption, respectively, in both hepatocytes and cancer cells. Likewise, hexose-6-phosphate isomerase (HPI) and phosphoglucomutase (PGM) exerted significant control on glycolysis and glycogen synthesis fluxes in cancer cells but not in hepatocytes. Modeling also indicated that glycolytic and glycogen synthesis fluxes could be strongly decreased when HPI and PGM were simultaneously inhibited in AS-30D cells but not in hepatocytes. Experimental assessment of these predictions showed that both the glycolytic and glycogen synthesis fluxes of AS-30D cells, but not of hepatocytes, were inhibited by oxamate, by inducing increased Fru1,6BP levels, a competitive inhibitor of HPI and PGM. CONCLUSION HPI and PGM seem suitable targets for decreasing glycolytic and glycogen synthesis fluxes in AS-30D cells but not in hepatocytes. GENERAL SIGNIFICANCE The present study identified new therapeutic targets within glucose central metabolism in the analyzed cancer cells, with no effects on non-cancer cells.
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Affiliation(s)
- Álvaro Marín-Hernández
- Departamento de Bioquímica, Instituto Nacional de Cardiología, Mexico City 14080, Mexico.
| | | | | | - Marcela Sosa-Garrocho
- Instituto de Fisiología Celular, Universidad Nacional Autónoma de México, Mexico City 04510, Mexico
| | - Marina Macías-Silva
- Instituto de Fisiología Celular, Universidad Nacional Autónoma de México, Mexico City 04510, Mexico
| | | | - Rafael Moreno-Sánchez
- Departamento de Bioquímica, Instituto Nacional de Cardiología, Mexico City 14080, Mexico
| | - Emma Saavedra
- Departamento de Bioquímica, Instituto Nacional de Cardiología, Mexico City 14080, Mexico.
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17
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Holmlund H, Marín-Hernández Á, Chase J. Estradiol and progesterone affect enzymes but not glucose consumption in a mink uterine cell line (GMMe). Biosci Rep 2020; 40:BSR20193512. [PMID: 32239183 PMCID: PMC7182661 DOI: 10.1042/bsr20193512] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2019] [Revised: 03/25/2020] [Accepted: 03/26/2020] [Indexed: 02/04/2023] Open
Abstract
Cells lining the uterus are responsible for storage and secretion of carbohydrates to support early embryonic development. Histotrophic secretions contain glycogen and glycolytic products such as lactate and pyruvate. Insufficient carbohydrate storage as glycogen has been correlated with infertility in women. While it is clear that changes in estrogen (17-β-estradiol (E2)) and progesterone (P4) in vivo affect the distribution of glucose in the uterine cells and secretions, the biochemical mechanism(s) by which they affect this crucial allocation is not well understood. Furthermore, in cultured uterine cells, neither E2 nor P4 affect glycogen storage without insulin present. We hypothesized that P4 and E2 alone affect the activity of glycolytic enzymes, glucose and glycolytic flux to increase glycogen storage (E2) and catabolism (P4) and increase pyruvate and lactate levels in culture. We measured the rate of glucose uptake and glycolysis in a mink immortalized epithelial cell line (GMMe) after 24-h exposure to 10 μM P4 and 10 nM E2 (pharmacologic levels) at 5 mM glucose and determined the kinetic parameters (Vmax, Km) of all enzymes. While the activities of many glycolytic enzymes in GMMe cells were shown to be decreased by E2 treatment, in contrast, glucose uptake, glycolytic flux and metabolites levels were not affected by the treatments. The cellular rationale for P4- and E2-induced decreases in the activity of enzymes may be to prime the system for other regulators such as insulin. In vivo, E2 and P4 may be necessary but not sufficient signals for uterine cycle carbohydrate allocation.
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Affiliation(s)
- Hayden Holmlund
- Northwest Nazarene University, 623 S. University Blvd, Nampa, ID 83686, U.S.A
| | - Álvaro Marín-Hernández
- Departamento de Bioquímica, Instituto Nacional de Cardiología, Mexico City 14080, México
| | - Jennifer R. Chase
- Northwest Nazarene University, 623 S. University Blvd, Nampa, ID 83686, U.S.A
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18
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Li W, Wang J. Uncovering the Underlying Mechanisms of Cancer Metabolism through the Landscapes and Probability Flux Quantifications. iScience 2020; 23:101002. [PMID: 32276228 PMCID: PMC7150521 DOI: 10.1016/j.isci.2020.101002] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2019] [Revised: 11/03/2019] [Accepted: 03/17/2020] [Indexed: 02/07/2023] Open
Abstract
Cancer metabolism is critical for understanding the mechanism of tumorigenesis, yet the understanding is still challenging. We studied gene-metabolism regulatory interactions and quantified the global driving forces for cancer-metabolism dynamics as the underlying landscape and probability flux. We uncovered four steady-state attractors: a normal state attractor, a cancer OXPHOS state attractor, a cancer glycolysis state attractor, and an intermediate cancer state attractor. We identified the key regulatory interactions through global sensitivity analysis based on the landscape topography. Different landscape topographies of glycolysis switch between normal cells and cancer cells were identified. We uncovered that the normal state to cancer state transformation is associated with the peaks of the probability flux and the thermodynamic dissipation, giving dynamical and thermodynamic origin of cancer formation. We found that cancer metabolism oscillations consume more energy to support cancer malignancy. This study provides a quantitative understanding of cancer metabolism and suggests a metabolic therapeutic strategy.
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Affiliation(s)
- Wenbo Li
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin 130022, China
| | - Jin Wang
- Department of Chemistry and Physics, State University of New York at Stony Brook, Stony Brook, NY 11794-3400, USA.
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19
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Abstract
Glucose addiction is observed in cancer and other diseases that are associated with hyperproliferation. The development of compounds that restrict glucose supply and decrease glycolysis has great potential for the development of new therapeutic approaches. Addressing facilitative glucose transporters (GLUTs), which are often upregulated in glucose-dependent cells, is therefore of particular interest. This article reviews a selection of potent, isoform-selective GLUT inhibitors and their biological characterization. Potential therapeutic applications of GLUT inhibitors in oncology and other diseases that are linked to glucose addiction are discussed.
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Affiliation(s)
- Elena S. Reckzeh
- Department Chemical BiologyMax Planck Institute of Molecular PhysiologyOtto-Hahn-Strasse 1144227DortmundGermany
- Department Chemistry and Chemical BiologyTU Dortmund UniversityOtto-Hahn-Strasse 4a44227DortmundGermany
| | - Herbert Waldmann
- Department Chemical BiologyMax Planck Institute of Molecular PhysiologyOtto-Hahn-Strasse 1144227DortmundGermany
- Department Chemistry and Chemical BiologyTU Dortmund UniversityOtto-Hahn-Strasse 4a44227DortmundGermany
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20
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Dewan N, Shukla V, Rehni AK, Koronowski KB, Klingbeil KD, Stradecki‐Cohan H, Garrett TJ, Rundek T, Perez‐Pinzon MA, Dave KR. Exposure to recurrent hypoglycemia alters hippocampal metabolism in treated streptozotocin-induced diabetic rats. CNS Neurosci Ther 2020; 26:126-135. [PMID: 31282100 PMCID: PMC6930817 DOI: 10.1111/cns.13186] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2019] [Revised: 05/31/2019] [Accepted: 06/04/2019] [Indexed: 12/13/2022] Open
Abstract
AIMS Exposure to recurrent hypoglycemia (RH) is common in diabetic patients receiving glucose-lowering therapies and is implicated in causing cognitive impairments. Despite the significant effect of RH on hippocampal function, the underlying mechanisms are currently unknown. Our goal was to determine the effect of RH exposure on hippocampal metabolism in treated streptozotocin-diabetic rats. METHODS Hyperglycemia was corrected by insulin pellet implantation. Insulin-treated diabetic (ITD) rats were exposed to mild/moderate RH once a day for 5 consecutive days. RESULTS The effect of RH on hippocampal metabolism revealed 65 significantly altered metabolites in the RH group compared with controls. Several significant differences in metabolite levels belonging to major pathways (eg, Krebs cycle, gluconeogenesis, and amino acid metabolism) were discovered in RH-exposed ITD rats when compared to a control group. Key glycolytic enzymes including hexokinase, phosphofructokinase, and pyruvate kinase were affected by RH exposure. CONCLUSION Our results demonstrate that the exposure to RH leads to metabolomics alterations in the hippocampus of insulin-treated streptozotocin-diabetic rats. Understanding how RH affects hippocampal metabolism may help attenuate the adverse effects of RH on hippocampal functions.
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Affiliation(s)
- Neelesh Dewan
- Peritz Scheinberg Cerebral Vascular Disease Research LaboratoriesUniversity of Miami School of MedicineMiamiFloridaUSA
- Department of NeurologyUniversity of Miami School of MedicineMiamiFloridaUSA
| | - Vibha Shukla
- Peritz Scheinberg Cerebral Vascular Disease Research LaboratoriesUniversity of Miami School of MedicineMiamiFloridaUSA
- Department of NeurologyUniversity of Miami School of MedicineMiamiFloridaUSA
| | - Ashish K. Rehni
- Peritz Scheinberg Cerebral Vascular Disease Research LaboratoriesUniversity of Miami School of MedicineMiamiFloridaUSA
- Department of NeurologyUniversity of Miami School of MedicineMiamiFloridaUSA
| | - Kevin B. Koronowski
- Peritz Scheinberg Cerebral Vascular Disease Research LaboratoriesUniversity of Miami School of MedicineMiamiFloridaUSA
- Department of NeurologyUniversity of Miami School of MedicineMiamiFloridaUSA
- Neuroscience ProgramUniversity of Miami School of MedicineMiamiFloridaUSA
| | - Kyle D. Klingbeil
- Peritz Scheinberg Cerebral Vascular Disease Research LaboratoriesUniversity of Miami School of MedicineMiamiFloridaUSA
- Department of NeurologyUniversity of Miami School of MedicineMiamiFloridaUSA
| | - Holly Stradecki‐Cohan
- Peritz Scheinberg Cerebral Vascular Disease Research LaboratoriesUniversity of Miami School of MedicineMiamiFloridaUSA
- Department of NeurologyUniversity of Miami School of MedicineMiamiFloridaUSA
- Neuroscience ProgramUniversity of Miami School of MedicineMiamiFloridaUSA
| | - Timothy J. Garrett
- Southeast Center for Integrated Metabolomics, Clinical and Translational Science InstituteUniversity of FloridaGainesvilleFloridaUSA
| | - Tatjana Rundek
- Department of NeurologyUniversity of Miami School of MedicineMiamiFloridaUSA
- Evelyn F. McKnight Brain InstituteUniversity of Miami School of MedicineMiamiFloridaUSA
| | - Miguel A. Perez‐Pinzon
- Peritz Scheinberg Cerebral Vascular Disease Research LaboratoriesUniversity of Miami School of MedicineMiamiFloridaUSA
- Department of NeurologyUniversity of Miami School of MedicineMiamiFloridaUSA
- Neuroscience ProgramUniversity of Miami School of MedicineMiamiFloridaUSA
- Evelyn F. McKnight Brain InstituteUniversity of Miami School of MedicineMiamiFloridaUSA
| | - Kunjan R. Dave
- Peritz Scheinberg Cerebral Vascular Disease Research LaboratoriesUniversity of Miami School of MedicineMiamiFloridaUSA
- Department of NeurologyUniversity of Miami School of MedicineMiamiFloridaUSA
- Neuroscience ProgramUniversity of Miami School of MedicineMiamiFloridaUSA
- Evelyn F. McKnight Brain InstituteUniversity of Miami School of MedicineMiamiFloridaUSA
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21
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Saavedra E, González-Chávez Z, Moreno-Sánchez R, Michels PA. Drug Target Selection for Trypanosoma cruzi Metabolism by Metabolic Control Analysis and Kinetic Modeling. Curr Med Chem 2019; 26:6652-6671. [DOI: 10.2174/0929867325666180917104242] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2018] [Revised: 08/17/2018] [Accepted: 08/17/2018] [Indexed: 11/22/2022]
Abstract
In the search for therapeutic targets in the intermediary metabolism of trypanosomatids
the gene essentiality criterion as determined by using knock-out and knock-down genetic
strategies is commonly applied. As most of the evaluated enzymes/transporters have
turned out to be essential for parasite survival, additional criteria and approaches are clearly
required for suitable drug target prioritization. The fundamentals of Metabolic Control
Analysis (MCA; an approach in the study of control and regulation of metabolism) and kinetic
modeling of metabolic pathways (a bottom-up systems biology approach) allow quantification
of the degree of control that each enzyme exerts on the pathway flux (flux control coefficient)
and metabolic intermediate concentrations (concentration control coefficient). MCA
studies have demonstrated that metabolic pathways usually have two or three enzymes with
the highest control of flux; their inhibition has more negative effects on the pathway function
than inhibition of enzymes exerting low flux control. Therefore, the enzymes with the highest
pathway control are the most convenient targets for therapeutic intervention. In this review,
the fundamentals of MCA as well as experimental strategies to determine the flux control coefficients
and metabolic modeling are analyzed. MCA and kinetic modeling have been applied
to trypanothione metabolism in Trypanosoma cruzi and the model predictions subsequently
validated in vivo. The results showed that three out of ten enzyme reactions analyzed
in the T. cruzi anti-oxidant metabolism were the most controlling enzymes. Hence, MCA and
metabolic modeling allow a further step in target prioritization for drug development against
trypanosomatids and other parasites.
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Affiliation(s)
- Emma Saavedra
- Departamento de Bioquimica, Instituto Nacional de Cardiologia Ignacio Chavez. Mexico City, Mexico
| | - Zabdi González-Chávez
- Departamento de Bioquimica, Instituto Nacional de Cardiologia Ignacio Chavez. Mexico City, Mexico
| | - Rafael Moreno-Sánchez
- Departamento de Bioquimica, Instituto Nacional de Cardiologia Ignacio Chavez. Mexico City, Mexico
| | - Paul A.M. Michels
- Centre for Immunity, Infection and Evolution (CIIE) and Centre for Translational and Chemical Biology (CTCB), School of Biological Sciences, The University of Edinburgh, Edinburgh, Scotland
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Ceballos J, Schwalfenberg M, Karageorgis G, Reckzeh ES, Sievers S, Ostermann C, Pahl A, Sellstedt M, Nowacki J, Carnero Corrales MA, Wilke J, Laraia L, Tschapalda K, Metz M, Sehr DA, Brand S, Winklhofer K, Janning P, Ziegler S, Waldmann H. Synthesis of Indomorphan Pseudo-Natural Product Inhibitors of Glucose Transporters GLUT-1 and -3. Angew Chem Int Ed Engl 2019; 58:17016-17025. [PMID: 31469221 PMCID: PMC6900016 DOI: 10.1002/anie.201909518] [Citation(s) in RCA: 43] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2019] [Revised: 08/12/2019] [Indexed: 12/22/2022]
Abstract
Bioactive compound design based on natural product (NP) structure may be limited because of partial coverage of NP-like chemical space and biological target space. These limitations can be overcome by combining NP-centered strategies with fragment-based compound design through combination of NP-derived fragments to afford structurally unprecedented "pseudo-natural products" (pseudo-NPs). The design, synthesis, and biological evaluation of a collection of indomorphan pseudo-NPs that combine biosynthetically unrelated indole- and morphan-alkaloid fragments are described. Indomorphane derivative Glupin was identified as a potent inhibitor of glucose uptake by selectively targeting and upregulating glucose transporters GLUT-1 and GLUT-3. Glupin suppresses glycolysis, reduces the levels of glucose-derived metabolites, and attenuates the growth of various cancer cell lines. Our findings underscore the importance of dual GLUT-1 and GLUT-3 inhibition to efficiently suppress tumor cell growth and the cellular rescue mechanism, which counteracts glucose scarcity.
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Affiliation(s)
- Javier Ceballos
- Department of Chemical BiologyMax-Planck-Institute of Molecular PhysiologyOtto-Hahn-Strasse 1144227DortmundGermany
- Current address: Laboratory of Catalysis and Organic SynthesisEPFL SB ISIC LCSO, BCH 42211015LausanneSwitzerland
| | - Melanie Schwalfenberg
- Department of Chemical BiologyMax-Planck-Institute of Molecular PhysiologyOtto-Hahn-Strasse 1144227DortmundGermany
| | - George Karageorgis
- Department of Chemical BiologyMax-Planck-Institute of Molecular PhysiologyOtto-Hahn-Strasse 1144227DortmundGermany
- Current address: School of ChemistryUniversity of LeedsLeedsLS2 9JTUK
| | - Elena S. Reckzeh
- Department of Chemical BiologyMax-Planck-Institute of Molecular PhysiologyOtto-Hahn-Strasse 1144227DortmundGermany
- Faculty of Chemistry and Chemical BiologyTechnical University DortmundOtto-Hahn-Strasse 644227DortmundGermany
| | - Sonja Sievers
- Compound Management and Screening Center, DortmundOtto-Hahn-Strasse 1144227DortmundGermany
| | - Claude Ostermann
- Compound Management and Screening Center, DortmundOtto-Hahn-Strasse 1144227DortmundGermany
| | - Axel Pahl
- Compound Management and Screening Center, DortmundOtto-Hahn-Strasse 1144227DortmundGermany
| | - Magnus Sellstedt
- Department of ChemistryUmeå University901 87UmeåSweden
- Current address: Clinical Chemistry, Laboratory MedicineUniversity Hospital of Umeå901 85UmeåSweden
| | - Jessica Nowacki
- Department of Chemical BiologyMax-Planck-Institute of Molecular PhysiologyOtto-Hahn-Strasse 1144227DortmundGermany
| | - Marjorie A. Carnero Corrales
- Department of Chemical BiologyMax-Planck-Institute of Molecular PhysiologyOtto-Hahn-Strasse 1144227DortmundGermany
| | - Julian Wilke
- Department of Chemical BiologyMax-Planck-Institute of Molecular PhysiologyOtto-Hahn-Strasse 1144227DortmundGermany
- Faculty of Chemistry and Chemical BiologyTechnical University DortmundOtto-Hahn-Strasse 644227DortmundGermany
| | - Luca Laraia
- Department of Chemical BiologyMax-Planck-Institute of Molecular PhysiologyOtto-Hahn-Strasse 1144227DortmundGermany
- Current address: Department of ChemistryTechnical University of DenmarkKemitorvet, Bygning 2072800Kgs LyngbyDenmark
| | - Kirsten Tschapalda
- Department of Chemical BiologyMax-Planck-Institute of Molecular PhysiologyOtto-Hahn-Strasse 1144227DortmundGermany
| | - Malte Metz
- Department of Chemical BiologyMax-Planck-Institute of Molecular PhysiologyOtto-Hahn-Strasse 1144227DortmundGermany
| | - Dominik A. Sehr
- Department of Molecular Cell BiologyInstitute of Biochemistry and PathobiochemistryRuhr University Bochum44801BochumGermany
| | - Silke Brand
- Department of Chemical BiologyMax-Planck-Institute of Molecular PhysiologyOtto-Hahn-Strasse 1144227DortmundGermany
| | - Konstanze Winklhofer
- Department of Molecular Cell BiologyInstitute of Biochemistry and PathobiochemistryRuhr University Bochum44801BochumGermany
| | - Petra Janning
- Department of Chemical BiologyMax-Planck-Institute of Molecular PhysiologyOtto-Hahn-Strasse 1144227DortmundGermany
| | - Slava Ziegler
- Department of Chemical BiologyMax-Planck-Institute of Molecular PhysiologyOtto-Hahn-Strasse 1144227DortmundGermany
| | - Herbert Waldmann
- Department of Chemical BiologyMax-Planck-Institute of Molecular PhysiologyOtto-Hahn-Strasse 1144227DortmundGermany
- Faculty of Chemistry and Chemical BiologyTechnical University DortmundOtto-Hahn-Strasse 644227DortmundGermany
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23
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Ceballos J, Schwalfenberg M, Karageorgis G, Reckzeh ES, Sievers S, Ostermann C, Pahl A, Sellstedt M, Nowacki J, Carnero Corrales MA, Wilke J, Laraia L, Tschapalda K, Metz M, Sehr DA, Brand S, Winklhofer K, Janning P, Ziegler S, Waldmann H. Synthesis of Indomorphan Pseudo‐Natural Product Inhibitors of Glucose Transporters GLUT‐1 and ‐3. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201909518] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Javier Ceballos
- Department of Chemical BiologyMax-Planck-Institute of Molecular Physiology Otto-Hahn-Strasse 11 44227 Dortmund Germany
- Current address: Laboratory of Catalysis and Organic SynthesisEPFL SB ISIC LCSO, BCH 4221 1015 Lausanne Switzerland
| | - Melanie Schwalfenberg
- Department of Chemical BiologyMax-Planck-Institute of Molecular Physiology Otto-Hahn-Strasse 11 44227 Dortmund Germany
| | - George Karageorgis
- Department of Chemical BiologyMax-Planck-Institute of Molecular Physiology Otto-Hahn-Strasse 11 44227 Dortmund Germany
- Current address: School of ChemistryUniversity of Leeds Leeds LS2 9JT UK
| | - Elena S. Reckzeh
- Department of Chemical BiologyMax-Planck-Institute of Molecular Physiology Otto-Hahn-Strasse 11 44227 Dortmund Germany
- Faculty of Chemistry and Chemical BiologyTechnical University Dortmund Otto-Hahn-Strasse 6 44227 Dortmund Germany
| | - Sonja Sievers
- Compound Management and Screening Center, Dortmund Otto-Hahn-Strasse 11 44227 Dortmund Germany
| | - Claude Ostermann
- Compound Management and Screening Center, Dortmund Otto-Hahn-Strasse 11 44227 Dortmund Germany
| | - Axel Pahl
- Compound Management and Screening Center, Dortmund Otto-Hahn-Strasse 11 44227 Dortmund Germany
| | - Magnus Sellstedt
- Department of ChemistryUmeå University 901 87 Umeå Sweden
- Current address: Clinical Chemistry, Laboratory MedicineUniversity Hospital of Umeå 901 85 Umeå Sweden
| | - Jessica Nowacki
- Department of Chemical BiologyMax-Planck-Institute of Molecular Physiology Otto-Hahn-Strasse 11 44227 Dortmund Germany
| | - Marjorie A. Carnero Corrales
- Department of Chemical BiologyMax-Planck-Institute of Molecular Physiology Otto-Hahn-Strasse 11 44227 Dortmund Germany
| | - Julian Wilke
- Department of Chemical BiologyMax-Planck-Institute of Molecular Physiology Otto-Hahn-Strasse 11 44227 Dortmund Germany
- Faculty of Chemistry and Chemical BiologyTechnical University Dortmund Otto-Hahn-Strasse 6 44227 Dortmund Germany
| | - Luca Laraia
- Department of Chemical BiologyMax-Planck-Institute of Molecular Physiology Otto-Hahn-Strasse 11 44227 Dortmund Germany
- Current address: Department of ChemistryTechnical University of Denmark Kemitorvet, Bygning 207 2800 Kgs Lyngby Denmark
| | - Kirsten Tschapalda
- Department of Chemical BiologyMax-Planck-Institute of Molecular Physiology Otto-Hahn-Strasse 11 44227 Dortmund Germany
| | - Malte Metz
- Department of Chemical BiologyMax-Planck-Institute of Molecular Physiology Otto-Hahn-Strasse 11 44227 Dortmund Germany
| | - Dominik A. Sehr
- Department of Molecular Cell BiologyInstitute of Biochemistry and PathobiochemistryRuhr University Bochum 44801 Bochum Germany
| | - Silke Brand
- Department of Chemical BiologyMax-Planck-Institute of Molecular Physiology Otto-Hahn-Strasse 11 44227 Dortmund Germany
| | - Konstanze Winklhofer
- Department of Molecular Cell BiologyInstitute of Biochemistry and PathobiochemistryRuhr University Bochum 44801 Bochum Germany
| | - Petra Janning
- Department of Chemical BiologyMax-Planck-Institute of Molecular Physiology Otto-Hahn-Strasse 11 44227 Dortmund Germany
| | - Slava Ziegler
- Department of Chemical BiologyMax-Planck-Institute of Molecular Physiology Otto-Hahn-Strasse 11 44227 Dortmund Germany
| | - Herbert Waldmann
- Department of Chemical BiologyMax-Planck-Institute of Molecular Physiology Otto-Hahn-Strasse 11 44227 Dortmund Germany
- Faculty of Chemistry and Chemical BiologyTechnical University Dortmund Otto-Hahn-Strasse 6 44227 Dortmund Germany
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24
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Reckzeh ES, Karageorgis G, Schwalfenberg M, Ceballos J, Nowacki J, Stroet MC, Binici A, Knauer L, Brand S, Choidas A, Strohmann C, Ziegler S, Waldmann H. Inhibition of Glucose Transporters and Glutaminase Synergistically Impairs Tumor Cell Growth. Cell Chem Biol 2019; 26:1214-1228.e25. [DOI: 10.1016/j.chembiol.2019.06.005] [Citation(s) in RCA: 51] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2019] [Revised: 05/31/2019] [Accepted: 06/17/2019] [Indexed: 12/18/2022]
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25
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Ralph SJ, Nozuhur S, ALHulais RA, Rodríguez‐Enríquez S, Moreno‐Sánchez R. Repurposing drugs as pro‐oxidant redox modifiers to eliminate cancer stem cells and improve the treatment of advanced stage cancers. Med Res Rev 2019; 39:2397-2426. [DOI: 10.1002/med.21589] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2018] [Revised: 03/20/2019] [Accepted: 03/31/2019] [Indexed: 01/10/2023]
Affiliation(s)
- Stephen J. Ralph
- School of Medical ScienceGriffith University Southport Australia
| | - Sam Nozuhur
- School of Medical ScienceGriffith University Southport Australia
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26
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Song G, Lu Q, Fan H, Zhang X, Ge L, Tian R, Wang S, Feng T, Pan J, Feng J, Xiao Y, Yi X, Ren N, Wang L. Inhibition of hexokinases holds potential as treatment strategy for rheumatoid arthritis. Arthritis Res Ther 2019; 21:87. [PMID: 30944034 PMCID: PMC6446273 DOI: 10.1186/s13075-019-1865-3] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2018] [Accepted: 03/13/2019] [Indexed: 12/22/2022] Open
Abstract
Introduction Abnormal glycolytic metabolism contributes to joint inflammation and destruction in rheumatoid arthritis (RA). We examine the expression and function of hexokinases in RA and evaluate the potential of their specific inhibitor for clinical treatment. Methods Detection of HKs was assessed in synovial tissue by immunohistology and Western blot. SiRNA and a specific hexokinases inhibitor, lonidamine (LND), were used to evaluate the role of hexokinase-I/II (HK-I/II). Pro-inflammatory and glycolysis factors, cell viability, and apoptosis were assessed by ELISA, RT-qPCR, MTS, and flow cytometry. The clinical effects of LND on type II collagen-induced arthritis (CIA) in DBA-/1 mouse model was evaluated by scoring their clinical responses, synovitis, and cartilage destructions, and ELISA was employed to analyze the concentrations of antibody in the serum of CIA model. Results HK-I/II expression and their activities increased in the synovium of RA compared with osteoarthritis (OA). Silencing HK-I/II (siHK-I/II) or LND treatment decreased the production of pro-inflammatory factors, such as IL-6, IL-8, CXCL9, CXCL10, and CXCL11, and cell viability, but induced cell apoptosis of RASFs. The expression of TNF-α and IL-1β of macrophage in response to LPS stimulation were depressed as well after treatment with siHK-I/II or LND. Furthermore, leucocyte infiltration co-cultured with RASFs was also suppressed after inhibiting the expression or activity of HK-I/II. These anti-inflammatory effects overlapped with their anti-glycolytic activities. Treatment with LND in mice with CIA decreased the production of antibodies against IgG1, IgG2a, and IgG2b and consequently attenuated joint inflammation and destruction. Conclusions HK-I/II contribute to shape the inflammatory phenotype of RASFs and macrophages. LND may be a potential drug in treating patients with RA. Electronic supplementary material The online version of this article (10.1186/s13075-019-1865-3) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Guanhua Song
- Institute of Basic Medicine, Shandong Academy of Medical Sciences, Jinan, China
| | - Qiqi Lu
- School of Medicine and Life Sciences, University of Jinan-Shandong Academy of Medical Sciences, Jinan, China
| | - Hua Fan
- Graduate Education Centre of Shandong Academy of Medical Sciences, Jinan, China
| | - Xiumei Zhang
- Graduate Education Centre of Shandong Academy of Medical Sciences, Jinan, China
| | - Luna Ge
- Research Center for Medicinal Biotechnology, Key Laboratory for Rare and Uncommon Diseases of Shandong Province, Shandong Academy of Medical Sciences, #18877, Jingshi Road, Jinan, 250062, China
| | - Ruisong Tian
- Research Center for Medicinal Biotechnology, Key Laboratory for Rare and Uncommon Diseases of Shandong Province, Shandong Academy of Medical Sciences, #18877, Jingshi Road, Jinan, 250062, China
| | - Shiguan Wang
- School of Medicine and Life Sciences, University of Jinan-Shandong Academy of Medical Sciences, Jinan, China
| | - Tingting Feng
- Department of Pathology, Shandong University Medical School, Jinan, China
| | - Jihong Pan
- Research Center for Medicinal Biotechnology, Key Laboratory for Rare and Uncommon Diseases of Shandong Province, Shandong Academy of Medical Sciences, #18877, Jingshi Road, Jinan, 250062, China
| | - Jingjing Feng
- School of Medicine and Life Sciences, University of Jinan-Shandong Academy of Medical Sciences, Jinan, China
| | - Yabo Xiao
- School of Basic Medical Sciences, Shandong University, Jinan, China
| | - Xin Yi
- School of Basic Medical Sciences, Shandong University, Jinan, China
| | - Ningxin Ren
- School of Basic Medical Sciences, Shandong University, Jinan, China
| | - Lin Wang
- Research Center for Medicinal Biotechnology, Key Laboratory for Rare and Uncommon Diseases of Shandong Province, Shandong Academy of Medical Sciences, #18877, Jingshi Road, Jinan, 250062, China.
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27
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A Mathematical Analysis of Aerobic Glycolysis Triggered by Glucose Uptake in Cones. Sci Rep 2019; 9:4162. [PMID: 30858444 PMCID: PMC6411757 DOI: 10.1038/s41598-019-39901-z] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2018] [Accepted: 01/31/2019] [Indexed: 11/08/2022] Open
Abstract
Patients affected by retinitis pigmentosa, an inherited retinal disease, experience a decline in vision due to photoreceptor degeneration leading to irreversible blindness. Rod-derived cone viability factor (RdCVF) is the most promising mutation-independent treatment today. To identify pathologic processes leading to secondary cone photoreceptor dysfunction triggering central vision loss of these patients, we model the stimulation by RdCVF of glucose uptake in cones and glucose metabolism by aerobic glycolysis. We develop a nonlinear system of enzymatic functions and differential equations to mathematically model molecular and cellular interactions in a cone. We use uncertainty and sensitivity analysis to identify processes that have the largest effect on the system and their timeframes. We consider the case of a healthy cone, a cone with low levels of glucose, and a cone with low and no RdCVF. The three key processes identified are metabolism of fructose-1,6-bisphosphate, production of glycerol-3-phosphate and competition that rods exert on cone resources. The first two processes are proportional to the partition of the carbon flux between glycolysis and the pentose phosphate pathway or the Kennedy pathway, respectively. The last process is the rods' competition for glucose, which may explain why rods also provide the RdCVF signal to compensate.
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28
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Marín-Hernández Á, Rodríguez-Enríquez S, Moreno-Sánchez R. Oxidized ATM protein kinase is a new signal transduction player that regulates glycolysis in CAFs as well as tumor growth and metastasis. EBioMedicine 2019; 41:24-25. [PMID: 30846394 PMCID: PMC6443596 DOI: 10.1016/j.ebiom.2019.02.058] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2019] [Accepted: 02/27/2019] [Indexed: 11/29/2022] Open
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29
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Sun K, Tang S, Hou Y, Xi L, Chen Y, Yin J, Peng M, Zhao M, Cui X, Liu M. Oxidized ATM-mediated glycolysis enhancement in breast cancer-associated fibroblasts contributes to tumor invasion through lactate as metabolic coupling. EBioMedicine 2019; 41:370-383. [PMID: 30799198 PMCID: PMC6442874 DOI: 10.1016/j.ebiom.2019.02.025] [Citation(s) in RCA: 71] [Impact Index Per Article: 14.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2018] [Revised: 01/31/2019] [Accepted: 02/13/2019] [Indexed: 01/07/2023] Open
Abstract
BACKGROUND Cancer-associated fibroblasts (CAFs) are the predominant residents in the breast tumor microenvironment. In our work, we found activation of DNA damage-independent ATM (oxidized ATM), enhanced glycolysis and aberrant metabolism-associated gene expressions in breast CAFs. Nevertheless, whether and how oxidized ATM regulates the glycolytic activity of CAFs keep in unveil. Recently, a reverse Warburg effect was observed in tumor tissues, in which host cells (such as CAFs, PSCs) in the tumor microenvironment have been found to "fuel" the cancer cells via metabolites transfer. However, the molecular mechanisms of the metabolites from stromal cells playing a role to the progression of cancer cells remain to be determined. METHODS Oxidized ATM activation in stromal CAFs was assessed by western blotting and immunofluorescence. The increased glycolytic ability of CAFs was validated by measurements of OCR and ECAR and detections of glucose consumption and lactate production. Kinase assay and western blotting were performed to confirm the phosphorylation of GLUT1. The membrane location of phosphorylated GLUT1 was determined by biotin pull-down assay and immunofluorescence staining. The regulation of PKM2 through oxidized ATM was evaluated by western blots. In addition, the impact of lactate derived from hypoxic CAFs on cancer cell invasion was investigated both in vitro (transwell assays, western blots) and in vivo (orthotopic xenografts). FINDINGS Hypoxia-induced oxidized ATM promotes glycolytic activity of CAFs by phosphorylating GLUT1 at S490 and increasing PKM2 expression. Moreover, lactate derived from hypoxic CAFs, acting as a metabolic coupling between CAFs and breast cancer cells, promotes breast cancer cell invasion by activating the TGFβ1/p38 MAPK/MMP2/9 signaling axis and fueling the mitochondrial activity in cancer cells. INTERPRETATION Our work shows that oxidized ATM-mediated glycolysis enhancement in hypoxic stromal fibroblasts plays an essential role in cancer cell invasion and metastasis and may implicate oxidized ATM as a target for breast tumor treatment. FUND: This research was supported by National Natural Science Foundation of China.
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Affiliation(s)
- Kexin Sun
- Key Laboratory of Laboratory Medical Diagnostics, Chinese Ministry of Education, Chongqing Medical University, Chongqing 400016, China
| | - Shifu Tang
- Key Laboratory of Laboratory Medical Diagnostics, Chinese Ministry of Education, Chongqing Medical University, Chongqing 400016, China; Department of Laboratory Medicine, Liuzhou Traditional Chinese Medical Hospital, Liuzhou 545001, Guangxi, China; Department of Laboratory Medicine, The Third Affiliated Hospital of Guangxi University of Chinese Medicine, Liuzhou 545001, Guangxi, China
| | - Yixuan Hou
- Key Laboratory of Laboratory Medical Diagnostics, Chinese Ministry of Education, Chongqing Medical University, Chongqing 400016, China; Experimental Teaching Center of Basic Medicine Science, Chongqing Medical University, Chongqing 400016, China
| | - Lei Xi
- Key Laboratory of Laboratory Medical Diagnostics, Chinese Ministry of Education, Chongqing Medical University, Chongqing 400016, China
| | - Yanlin Chen
- Key Laboratory of Laboratory Medical Diagnostics, Chinese Ministry of Education, Chongqing Medical University, Chongqing 400016, China
| | - Jiali Yin
- Key Laboratory of Laboratory Medical Diagnostics, Chinese Ministry of Education, Chongqing Medical University, Chongqing 400016, China
| | - Meixi Peng
- Key Laboratory of Laboratory Medical Diagnostics, Chinese Ministry of Education, Chongqing Medical University, Chongqing 400016, China
| | - Maojia Zhao
- Key Laboratory of Laboratory Medical Diagnostics, Chinese Ministry of Education, Chongqing Medical University, Chongqing 400016, China
| | - Xiaojiang Cui
- Department of Surgery, Samuel Oschin Comprehensive Cancer Institute, Cedars-Sinai Medical Center, Los Angeles, CA 91006, USA
| | - Manran Liu
- Key Laboratory of Laboratory Medical Diagnostics, Chinese Ministry of Education, Chongqing Medical University, Chongqing 400016, China.
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Amemiya T, Shibata K, Du Y, Nakata S, Yamaguchi T. Modeling studies of heterogeneities in glycolytic oscillations in HeLa cervical cancer cells. CHAOS (WOODBURY, N.Y.) 2019; 29:033132. [PMID: 30927859 DOI: 10.1063/1.5087216] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/29/2018] [Accepted: 03/08/2019] [Indexed: 06/09/2023]
Abstract
Previous experiments demonstrated that a population of HeLa cells starved of glucose or both glucose and serum exhibited a strong heterogeneity in the glycolytic oscillations in terms of the number of oscillatory cells, periods of oscillations, and duration of oscillations. Here, we report numerical simulations of this heterogeneous oscillatory behavior in HeLa cells by using a newly developed mathematical model. It is simple enough that we can apply a mathematical analysis, but capture the core of the glycolytic pathway and the activity of the glucose transporter (GLUT). Lognormal distributions of the values of the four rate constants in the model were obtained from the experimental distributions in the periods of oscillations. Thus, the heterogeneity in the periods of oscillations can be attributed to the difference in the rate constants of the enzymatic reactions. The activity of GLUT is found to determine whether the HeLa cells were oscillatory or non-oscillatory under the same experimental conditions. Simulation with the log-normal distribution of the maximum uptake velocity of glucose and the four randomized rate constants based on the log-normal distributions successfully reproduced the time-dependent number of oscillatory cells (oscillatory ratios) under the two starving conditions. The difference in the initial values of the metabolites has little effect on the simulated results.
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Affiliation(s)
- Takashi Amemiya
- Graduate School of Environment and Information Sciences, Yokohama National University (YNU), 79-7 Tokiwadai, Hodogaya-ku, Yokohama, Kanagawa 240-8501, Japan
| | - Kenichi Shibata
- Graduate School of Environment and Information Sciences, Yokohama National University (YNU), 79-7 Tokiwadai, Hodogaya-ku, Yokohama, Kanagawa 240-8501, Japan
| | - Yichen Du
- Graduate School of Environment and Information Sciences, Yokohama National University (YNU), 79-7 Tokiwadai, Hodogaya-ku, Yokohama, Kanagawa 240-8501, Japan
| | - Satoshi Nakata
- Graduate School of Science, Hiroshima University, 1-3-1 Kagamiyama, Higashihiroshima 739-8526, Japan
| | - Tomohiko Yamaguchi
- Meiji Institute for Advanced Study of Mathematical Sciences (MIMS), 4-21-1 Nakano, Nakano-ku, Tokyo 164-8525, Japan
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31
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Arend C, Ehrke E, Dringen R. Consequences of a Metabolic Glucose-Depletion on the Survival and the Metabolism of Cultured Rat Astrocytes. Neurochem Res 2019; 44:2288-2300. [PMID: 30788754 DOI: 10.1007/s11064-019-02752-1] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2018] [Revised: 02/08/2019] [Accepted: 02/12/2019] [Indexed: 11/29/2022]
Abstract
Brain astrocytes are considered to be highly glycolytic, but these cells also produce ATP via mitochondrial oxidative phosphorylation. To investigate how a metabolic depletion of glucose will affect the metabolism of astrocytes, we applied glucose at an initial concentration of 2 mM to cultured primary astrocytes and monitored the cell viability and various metabolic parameters during an incubation for up to 2 weeks. Already within 2 days of incubation the cells had completely consumed the applied glucose and lactate had accumulated in the medium to a concentration of around 3 mM. During the subsequent 10 days of incubation, the cell viability was not compromised while the extracellular lactate concentration declined to values of around 0.2 mM, before the cell viability was compromised. Application of known inhibitors of mitochondrial metabolism strongly accelerated glucose consumption and initial lactate production, while the lactate consumption was completely (antimycin A or 8-hydroxy efavirenz) and partially (efavirenz, metformin or tyrphostin 23) inhibited which caused rapid and delayed cell toxicity, respectively. The switch from glycolytic glucose metabolism to mitochondrial metabolism during the incubation was neither accompanied by alterations in the specific cytosolic lactate dehydrogenase activity or in the WST1 reduction capacity nor in the mitochondrial citrate synthase activity, but a cellular redistribution of mitochondria from a perinuclear to a more spread cytoplasmic localization was observed during the lactate consumption phase. These results demonstrate that cultured astrocytes survive a metabolism-induced glucose depletion very well by consuming lactate as fuel for mitochondrial ATP generation.
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Affiliation(s)
- Christian Arend
- Centre for Biomolecular Interactions Bremen, Faculty 2 (Biology/Chemistry), University of Bremen, P.O. Box 330440, 28334, Bremen, Germany.,Centre for Environmental Research and Sustainable Technology, University of Bremen, Bremen, Germany
| | - Eric Ehrke
- Centre for Biomolecular Interactions Bremen, Faculty 2 (Biology/Chemistry), University of Bremen, P.O. Box 330440, 28334, Bremen, Germany.,Centre for Environmental Research and Sustainable Technology, University of Bremen, Bremen, Germany
| | - Ralf Dringen
- Centre for Biomolecular Interactions Bremen, Faculty 2 (Biology/Chemistry), University of Bremen, P.O. Box 330440, 28334, Bremen, Germany. .,Centre for Environmental Research and Sustainable Technology, University of Bremen, Bremen, Germany.
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32
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The kinetic characteristics of human and trypanosomatid phosphofructokinases for the reverse reaction. Biochem J 2019; 476:179-191. [PMID: 30404924 PMCID: PMC6340114 DOI: 10.1042/bcj20180635] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2018] [Revised: 11/02/2018] [Accepted: 11/06/2018] [Indexed: 02/06/2023]
Abstract
Eukaryotic ATP-dependent phosphofructokinases (PFKs) are often considered unidirectional enzymes catalysing the transfer of a phospho moiety from ATP to fructose 6-phosphate to produce ADP and fructose 1,6-bisphosphate. The reverse reaction is not generally considered to occur under normal conditions and has never been demonstrated for any eukaryotic ATP-dependent PFKs, though it does occur in inorganic pyrophosphate-dependent PFKs and has been experimentally shown for bacterial ATP-dependent PFKs. The evidence is provided via two orthogonal assays that all three human PFK isoforms can catalyse the reverse reaction in vitro, allowing determination of kinetic properties. Additionally, the reverse reaction was shown possible for PFKs from three clinically important trypanosomatids; these enzymes are contained within glycosomes in vivo. This compartmentalisation may facilitate reversal, given the potential for trypanosomatids to have an altered ATP/ADP ratio in glycosomes compared with the cytosol. The kinetic properties of each trypanosomatid PFK were determined, including the response to natural and artificial modulators of enzyme activity. The possible physiological relevance of the reverse reaction in trypanosomatid and human PFKs is discussed.
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Rehni AK, Dave KR. Impact of Hypoglycemia on Brain Metabolism During Diabetes. Mol Neurobiol 2018; 55:9075-9088. [PMID: 29637442 PMCID: PMC6179939 DOI: 10.1007/s12035-018-1044-6] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2018] [Accepted: 03/27/2018] [Indexed: 12/24/2022]
Abstract
Diabetes is a metabolic disease afflicting millions of people worldwide. A substantial fraction of world's total healthcare expenditure is spent on treating diabetes. Hypoglycemia is a serious consequence of anti-diabetic drug therapy, because it induces metabolic alterations in the brain. Metabolic alterations are one of the central mechanisms mediating hypoglycemia-related functional changes in the brain. Acute, chronic, and/or recurrent hypoglycemia modulate multiple metabolic pathways, and exposure to hypoglycemia increases consumption of alternate respiratory substrates such as ketone bodies, glycogen, and monocarboxylates in the brain. The aim of this review is to discuss hypoglycemia-induced metabolic alterations in the brain in glucose counterregulation, uptake, utilization and metabolism, cellular respiration, amino acid and lipid metabolism, and the significance of other sources of energy. The present review summarizes information on hypoglycemia-induced metabolic changes in the brain of diabetic and non-diabetic subjects and the manner in which they may affect brain function.
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Affiliation(s)
- Ashish K Rehni
- Cerebral Vascular Disease Research Laboratories, University of Miami Miller School of Medicine, Miami, FL, 33136, USA
- Department of Neurology, University of Miami Miller School of Medicine, 1420 NW 9th Ave, NRB/203E, Miami, FL, 33136, USA
| | - Kunjan R Dave
- Cerebral Vascular Disease Research Laboratories, University of Miami Miller School of Medicine, Miami, FL, 33136, USA.
- Department of Neurology, University of Miami Miller School of Medicine, 1420 NW 9th Ave, NRB/203E, Miami, FL, 33136, USA.
- Neuroscience Program, University of Miami Miller School of Medicine, Miami, FL, 33136, USA.
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Chang YC, Yang YC, Tien CP, Yang CJ, Hsiao M. Roles of Aldolase Family Genes in Human Cancers and Diseases. Trends Endocrinol Metab 2018; 29:549-559. [PMID: 29907340 DOI: 10.1016/j.tem.2018.05.003] [Citation(s) in RCA: 84] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/12/2017] [Revised: 05/11/2018] [Accepted: 05/18/2018] [Indexed: 02/07/2023]
Abstract
The aldolase family members involved in metabolism and glycolysis are present in three isoforms: ALDOA, ALDOB, and ALDOC. Aldolases are differentially expressed in human tissues, and aberrant expression has been observed in several human diseases and cancer types. However, non-enzymatic functions through protein-protein interactions or epigenetic modifications have been reported in recent years. Using high-throughput screening and -omics database integration, aldolase has been validated as an independent clinical prognostic marker of human cancers. Therefore, the aim of this review was to provide potential clinical value from in silico predictions and also summarize well-known signaling axes or phenotypes in various cancer types. Finally, we discuss the role of aldolase in the treatment of human diseases and cancers.
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Affiliation(s)
- Yu-Chan Chang
- Genomics Research Center, Academia Sinica, Taipei, Taiwan
| | - Yi-Chieh Yang
- Genomics Research Center, Academia Sinica, Taipei, Taiwan; Graduate Institute of Clinical Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan
| | - Chia-Ping Tien
- Department of Family Medicine, China Medical University Hospital, Taichung, Taiwan
| | - Chih-Jen Yang
- Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan; School of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan; Department of Internal Medicine, Kaohsiung Municipal Ta-Tung Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan.
| | - Michael Hsiao
- Genomics Research Center, Academia Sinica, Taipei, Taiwan; Department of Biochemistry, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan.
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Moreno-Sánchez R, Marín-Hernández Á, Gallardo-Pérez JC, Vázquez C, Rodríguez-Enríquez S, Saavedra E. Control of the NADPH supply and GSH recycling for oxidative stress management in hepatoma and liver mitochondria. BIOCHIMICA ET BIOPHYSICA ACTA-BIOENERGETICS 2018; 1859:1138-1150. [PMID: 30053395 DOI: 10.1016/j.bbabio.2018.07.008] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/28/2018] [Revised: 07/19/2018] [Accepted: 07/22/2018] [Indexed: 01/30/2023]
Abstract
To unveil what controls mitochondrial ROS detoxification, the NADPH supply and GSH/GSSG recycling for oxidative stress management were analyzed in cancer and non-cancer mitochondria. Therefore, proteomic and kinetomic analyses were carried out of the mitochondrial (i) NADPH producing and (ii) GSH/GSSG recycling enzymes associated to oxidative stress management. The protein contents of the eight enzymes analyzed were similar or even higher in AS-30D rat hepatoma mitochondria (HepM) than in rat liver (RLM) and rat heart (RHM) mitochondria, suggesting that the NADPH/GSH/ROS pathway was fully functional in cancer mitochondria. The Vmax values of IDH-2 were much greater than those of GDH, TH and ME, suggesting that IDH-2 is the predominant NADPH producer in the three mitochondrial types; in fact, the GDH reverse reaction was favored. The Vmax values of GR and GPx were lower in HepM than in RLM, suggesting that the oxidative stress management is compromised in cancer mitochondria. The Km values of IDH-2, GR and GPx were all similar among the different mitochondrial types. Kinetic modeling revealed that the oxidative stress management was mainly controlled by GR, GPx and IDH. Modeling and experimentation also revealed that, due to their higher IDH-2 activity and lower GPx activity presumably by acetylation, HepM (i) showed higher steady-state NADPH levels; (ii) required greater peroxide concentrations to achieve reliable steady-state fluxes and metabolite concentration; and (iii) endured higher peroxide concentrations without collapsing their GSH/GSSG ratios. Then, to specifically prompt lower GSH/GSSG ratios under oxidative stress thus compromising cancer mitochondria functioning, GPx should be re-activated.
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Affiliation(s)
- Rafael Moreno-Sánchez
- Instituto Nacional de Cardiología, Departamento de Bioquímica, Ciudad de México 14080, Tlalpan, Mexico.
| | - Álvaro Marín-Hernández
- Instituto Nacional de Cardiología, Departamento de Bioquímica, Ciudad de México 14080, Tlalpan, Mexico
| | | | - Citlali Vázquez
- Instituto Nacional de Cardiología, Departamento de Bioquímica, Ciudad de México 14080, Tlalpan, Mexico
| | - Sara Rodríguez-Enríquez
- Instituto Nacional de Cardiología, Departamento de Bioquímica, Ciudad de México 14080, Tlalpan, Mexico
| | - Emma Saavedra
- Instituto Nacional de Cardiología, Departamento de Bioquímica, Ciudad de México 14080, Tlalpan, Mexico
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Montero S, Martin R, Mansilla R, Cocho G, Nieto-Villar JM. Parameters Estimation in Phase-Space Landscape Reconstruction of Cell Fate: A Systems Biology Approach. Methods Mol Biol 2018; 1702:125-170. [PMID: 29119505 DOI: 10.1007/978-1-4939-7456-6_8] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
The thermodynamical formalism of irreversible processes offers a theoretical framework appropriate to explain the complexity observed at the macroscopic level of dynamic systems. In this context, together with the theory of complex systems and systems biology, the thermodynamical formalism establishes an appropriate conceptual framework to address the study of biological systems, in particular cancer.The Chapter is organized as follows: In Subheading 1, an integrative view of these disciplines is offered, for the characterization of the emergence and evolution of cancer, seen as a self-organized dynamic system far from the thermodynamic equilibrium. Development of a thermodynamic framework, based on the entropy production rate, is presented in Subheading 2. Subheading 3 is dedicated to all tumor growth, as seen through a "phase transitions" far from equilibrium. Subheading 4 is devoted to complexity of cancer glycolysis. Finally, some concluding remarks are presented in Subheading 5.
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Affiliation(s)
- Sheyla Montero
- Department of Basics Science, University of Medical Science of Havana, Havana, 10400, Cuba
| | - Reynaldo Martin
- Department of Chemical-Physics, A. Alzola Group of Thermodynamics of Complex Systems M.V. Lomonosov Chemistry Chair, Faculty of Chemistry, University of Havana, Havana, 10400, Cuba
| | - Ricardo Mansilla
- Centro de Investigaciones Interdisciplinarias en Ciencias y Humanidades, UNAM, México, Mexico
| | | | - José Manuel Nieto-Villar
- Department of Chemical-Physics, A. Alzola Group of Thermodynamics of Complex Systems M.V. Lomonosov Chemistry Chair, Faculty of Chemistry, University of Havana, Havana, 10400, Cuba.
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Moreno-Sánchez R, Gallardo-Pérez JC, Rodríguez-Enríquez S, Saavedra E, Marín-Hernández Á. Control of the NADPH supply for oxidative stress handling in cancer cells. Free Radic Biol Med 2017; 112:149-161. [PMID: 28739529 DOI: 10.1016/j.freeradbiomed.2017.07.018] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/13/2017] [Revised: 07/19/2017] [Accepted: 07/20/2017] [Indexed: 01/10/2023]
Abstract
It has not been systematically analyzed whether the NADPH supply is a limiting factor for oxidative stress management in cancer cells. In the present work, it was determined in non-cancer and cancer cells the protein contents and kinetomics of (i) the cytosolic enzymes responsible for the NADPH production (i.e., Glc6PDH, 6PGDH, ME, IDH-1); and (ii) the two main enzymes responsible for NADPH/NADP+ and GSH/GSSG recycling (GR, GPx-1) associated to oxidative stress management. With these data, kinetic models were built and further validated. Rat liver and hepatoma AS-30D cytosolic fractions exhibited greater Vmax for IDH-1 than for Glc6PDH and 6PGDH whereas human cancer cells and platelets showed greater Vmax for Glc6PDH than for 6PGDH and IDH-1. The ME activity was comparatively low in all cell types tested. The Km values for the respective specific substrates were all similar among the different cell types. Most activities were lower in AS-30D cells than in liver. In contrast, IDH-1, Glc6PDH and GR activities in human cancer cells were similar or greater to those of platelets, but GPx-1 activity was severely suppressed, despite showing similar GPx-1 protein content vs. platelets. Kinetic analysis and pathway modeling revealed a previously unveiled feedback IDH-1 regulation by GSH. The oxidative stress management in cancer cells (i) was mainly controlled by GPx-1 and the main NADPH provider was Glc6PDH; and (ii) modeling indicated that NADPH supply was not a controlling step. These data suggested that Glc6PDH and GPx-1 are adequate and promising targets for anti-cancer therapeutic intervention.
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Affiliation(s)
- Rafael Moreno-Sánchez
- Instituto Nacional de Cardiología, Departamento de Bioquímica, Ciudad de México, Tlalpan 14080, Mexico
| | | | - Sara Rodríguez-Enríquez
- Instituto Nacional de Cardiología, Departamento de Bioquímica, Ciudad de México, Tlalpan 14080, Mexico
| | - Emma Saavedra
- Instituto Nacional de Cardiología, Departamento de Bioquímica, Ciudad de México, Tlalpan 14080, Mexico
| | - Álvaro Marín-Hernández
- Instituto Nacional de Cardiología, Departamento de Bioquímica, Ciudad de México, Tlalpan 14080, Mexico.
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Gallardo-Pérez JC, Adán-Ladrón de Guevara A, Marín-Hernández A, Moreno-Sánchez R, Rodríguez-Enríquez S. HPI/AMF inhibition halts the development of the aggressive phenotype of breast cancer stem cells. BIOCHIMICA ET BIOPHYSICA ACTA-MOLECULAR CELL RESEARCH 2017. [DOI: 10.1016/j.bbamcr.2017.06.015] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
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Chowdhury N, Vhora I, Patel K, Doddapaneni R, Mondal A, Singh M. Liposomes co-Loaded with 6-Phosphofructo-2-Kinase/Fructose-2, 6-Biphosphatase 3 (PFKFB3) shRNA Plasmid and Docetaxel for the Treatment of non-small Cell Lung Cancer. Pharm Res 2017; 34:2371-2384. [PMID: 28875330 DOI: 10.1007/s11095-017-2244-x] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2017] [Accepted: 07/31/2017] [Indexed: 12/13/2022]
Abstract
PURPOSE Non-small cell lung cancer is the leading cause of cancer related deaths globally. Considering the side effects and diminishing chemosensitivity to chemotherapy, novel treatment approaches are sought. Hence, we aim to develop a liposomal co-delivery system of pDNA expressing shRNA against PFKFB3 (pshPFKFB3) and docetaxel (DTX). METHODS Cationic DTX liposomes complexed with pshPFKFB3 (PSH-DL) were developed. In vitro cell line studies were performed to evaluate transfection, PFKFB3 mRNA silencing, cytotoxicity, pGP inhibition, and protein markers expression. In vivo efficacy study was performed in A549 xenograft nude mice model. RESULTS Cytotoxicity studies showed significantly enhanced anticancer activity of PSH-DL against individual treatment alone confirming the chemoenhancing effect of pshPFKFB3 on DTX activity. Fluorescence microscopy and RT-PCR showed effective transfection and RNAi by pshPFKFB3. pGP inhibition assay and western blotting revealed that PFKFB3 downregulation caused diminution of pGP activity leading to changes in cell cycle (Cdk2), survival (survivin), apoptosis (Bcl2 and cleaved caspase 3) and stress (p-JNK and p-p38) markers so that induces apoptosis by PSH-DL in NSCLC cells. PSH-DL also showed ~3.8-fold reduction in tumor volume in A549 xenograft model which was significantly higher than individual treatments alone. CONCLUSION Targeting PFKFB3 through shRNA based RNAi is a promising approach for potentiating activity of DTX in NSCLC.
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Affiliation(s)
- Nusrat Chowdhury
- College of Pharmacy and Pharmaceutical Sciences, Florida A&M University, Tallahassee, Florida, 32307, USA
| | - Imran Vhora
- College of Pharmacy and Pharmaceutical Sciences, Florida A&M University, Tallahassee, Florida, 32307, USA
| | - Ketan Patel
- College of Pharmacy and Pharmaceutical Sciences, Florida A&M University, Tallahassee, Florida, 32307, USA.,College of Pharmacy and Health Sciences, St. John's University, Jamaica, New York, 11439, USA
| | - Ravi Doddapaneni
- College of Pharmacy and Pharmaceutical Sciences, Florida A&M University, Tallahassee, Florida, 32307, USA.,Department of Ophthalmology, Bascom Palmer Eye Institute, University of Miami Miller School of Medicine, Miami, Florida, 33136, USA
| | - Arindam Mondal
- College of Pharmacy and Pharmaceutical Sciences, Florida A&M University, Tallahassee, Florida, 32307, USA
| | - Mandip Singh
- College of Pharmacy and Pharmaceutical Sciences, Florida A&M University, Tallahassee, Florida, 32307, USA.
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Corona de la Peña N, Gutiérrez-Aguilar M, Hernández-Reséndiz I, Marín-Hernández Á, Rodríguez-Enríquez S. Glycoprotein Ib activation by thrombin stimulates the energy metabolism in human platelets. PLoS One 2017; 12:e0182374. [PMID: 28817667 PMCID: PMC5560607 DOI: 10.1371/journal.pone.0182374] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2017] [Accepted: 07/17/2017] [Indexed: 12/12/2022] Open
Abstract
Thrombin-induced platelet activation requires substantial amounts of ATP. However, the specific contribution of each ATP-generating pathway i.e., oxidative phosphorylation (OxPhos) versus glycolysis and the biochemical mechanisms involved in the thrombin-induced activation of energy metabolism remain unclear. Here we report an integral analysis on the role of both energy pathways in human platelets activated by several agonists, and the signal transducing mechanisms associated with such activation. We found that thrombin, Trap-6, arachidonic acid, collagen, A23187, epinephrine and ADP significantly increased glycolytic flux (3–38 times vs. non-activated platelets) whereas ristocetin was ineffective. OxPhos (33 times) and mitochondrial transmembrane potential (88%) were increased only by thrombin. OxPhos was the main source of ATP in thrombin-activated platelets, whereas in platelets activated by any of the other agonists, glycolysis was the principal ATP supplier. In order to establish the biochemical mechanisms involved in the thrombin-induced OxPhos activation in platelets, several signaling pathways associated with mitochondrial activation were analyzed. Wortmannin and LY294002 (PI3K/Akt pathway inhibitors), ristocetin and heparin (GPIb inhibitors) as well as resveratrol, ATP (calcium-release inhibitors) and PP1 (Tyr-phosphorylation inhibitor) prevented the thrombin-induced platelet activation. These results suggest that thrombin activates OxPhos and glycolysis through GPIb-dependent signaling involving PI3K and Akt activation, calcium mobilization and protein phosphorylation.
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Affiliation(s)
- Norma Corona de la Peña
- Unidad de Investigación en Trombosis, Hemostasia y Aterogénesis, Hospital Carlos McGregor, México City, México
- * E-mail: (SRE); (NCP)
| | - Manuel Gutiérrez-Aguilar
- Center for Human Nutrition, Washington University School of Medicine, St. Louis, MO, United States of America
| | | | | | - Sara Rodríguez-Enríquez
- Departamento de Bioquímica, Instituto Nacional de Cardiología, México City, México
- Laboratorio de Medicina Traslacional, Instituto Nacional de Cancerología, México City, México
- * E-mail: (SRE); (NCP)
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Pereira PMR, Berisha N, Bhupathiraju NVSDK, Fernandes R, Tomé JPC, Drain CM. Cancer cell spheroids are a better screen for the photodynamic efficiency of glycosylated photosensitizers. PLoS One 2017; 12:e0177737. [PMID: 28545086 PMCID: PMC5435229 DOI: 10.1371/journal.pone.0177737] [Citation(s) in RCA: 55] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2016] [Accepted: 05/02/2017] [Indexed: 01/18/2023] Open
Abstract
Photodynamic Therapy (PDT) relies on the use of non-toxic photosensitizers that are locally and selectively activated by light to induce cell death or apoptosis through reactive oxygen species generation. The conjugation of porphyrinoids with sugars that target cancer is increasingly viewed as an effective way to increase the selectivity of PDT. To date, in vitro PDT efficacy is mostly screened using two-dimensional monolayer cultures. Compared to monolayer cultures, three-dimensional spheroid cultures have unique spatial distributions of nutrients, metabolites, oxygen and signalling molecules; therefore better mimic in vivo conditions. We obtained 0.05 mm3 spheroids with four different human tumor cell lines (HCT-116, MCF-7, UM-UC-3 and HeLa) with appropriate sizes for screening PDT agents. We observed that detachment from monolayer culture and growth as tumor spheroids was accompanied by changes in glucose metabolism, endogenous ROS levels, galectin-1 and glucose transporter GLUT1 protein levels. We compared the phototoxic responses of a porphyrin conjugated with four glucose molecules (PorGlu4) in monolayer and spheroid cultures. The uptake and phototoxicity of PorGlu4 is highly dependent on the monolayer versus spheroid model used and on the different levels of GLUT1 protein expressed by these in vitro platforms. This study demonstrates that HCT-116, MCF-7, UM-UC-3 and HeLa spheroids afford a more rational platform for the screening of new glycosylated-photosensitizers compared to monolayer cultures of these cancer cells.
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Affiliation(s)
- Patrícia M. R. Pereira
- QOPNA, Department of Chemistry, University of Aveiro, Aveiro, Portugal
- IBILI, Faculty of Medicine, University of Coimbra, Coimbra, Portugal
- Department of Chemistry, Hunter College of the City University of New York, New York, New York, United States of America
| | - Naxhije Berisha
- Department of Chemistry, Hunter College of the City University of New York, New York, New York, United States of America
| | | | - Rosa Fernandes
- IBILI, Faculty of Medicine, University of Coimbra, Coimbra, Portugal
- CNC.IBILI, Faculty of Medicine, University of Coimbra, Coimbra, Portugal
| | - João P. C. Tomé
- QOPNA, Department of Chemistry, University of Aveiro, Aveiro, Portugal
- CQE, Instituto Superior Técnico, Universidade de Lisboa, Lisboa, Portugal
| | - Charles Michael Drain
- Department of Chemistry, Hunter College of the City University of New York, New York, New York, United States of America
- Graduate Center of the City University of New York, New York, New York, United States of America
- The Rockefeller University, New York, New York, United States of America
- * E-mail:
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Eghbali H, Nava MM, Leonardi G, Mohebbi-Kalhori D, Sebastiano R, Samimi A, Raimondi MT. An experimental-numerical investigation on the effects of macroporous scaffold geometry on cell culture parameters. Int J Artif Organs 2017; 40:185-195. [PMID: 28430298 PMCID: PMC6159852 DOI: 10.5301/ijao.5000554] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/20/2017] [Indexed: 12/22/2022]
Abstract
INTRODUCTION Perfused bioreactors have been demonstrated to be effective in the delivery of nutrients and in the removal of waste products to and from the interior of cell-populated three-dimensional scaffolds. In this paper, a perfused bioreactor hosting a macroporous scaffold provided with a channel is used to investigate transport phenomena and culture parameters on cell growth. METHODS MG63 human osteosarcoma cells were seeded on macroporous poly(ε-caprolactone) scaffolds provided with a channel. The scaffolds were cultured in a perfused bioreactor and in static conditions for 5 days. Cell viability and growth were assessed while the concentration of oxygen, glucose and lactate were measured. An in silico, multiphysics, numerical model was set up to study the fluid dynamics and the mass transport of the nutrients in the perfused bioreactor hosting different scaffold geometries. RESULTS The experimental and numerical results indicated that the specific cell metabolic activity in scaffolds cultured under perfusion was 30% greater than scaffolds cultured under static conditions. In addition, the scaffold provided with a channel enabled the shear stress to be controlled, the initial seeding density to be retained, and adequate mass transport and waste removal. CONCLUSIONS We show that the macroporous scaffold provided with a channel cultured in a macroscale bioreactor can be a robust reference experimental model system to systematically investigate and assess crucial culture parameters. We also show that such an experimental model system can be employed as a simplified "representative unit" to improve the performance of both perfused culture systems and hollow, fiber-integrated scaffolds for large-scale tissue engineering.
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Affiliation(s)
- Hadis Eghbali
- Department of Chemical Engineering, University of Sistan and Baluchestan, Zahedan - Iran
| | - Michele M. Nava
- Giulio Natta Department of Chemistry, Materials and Chemical Engineering, Politecnico di Milano, Milan - Italy
| | - Gabriella Leonardi
- Giulio Natta Department of Chemistry, Materials and Chemical Engineering, Politecnico di Milano, Milan - Italy
| | - Davod Mohebbi-Kalhori
- Department of Chemical Engineering, University of Sistan and Baluchestan, Zahedan - Iran
| | - Roberto Sebastiano
- Giulio Natta Department of Chemistry, Materials and Chemical Engineering, Politecnico di Milano, Milan - Italy
| | - Abdolreza Samimi
- Department of Chemical Engineering, University of Sistan and Baluchestan, Zahedan - Iran
| | - Manuela T. Raimondi
- Giulio Natta Department of Chemistry, Materials and Chemical Engineering, Politecnico di Milano, Milan - Italy
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Roy M, Finley SD. Computational Model Predicts the Effects of Targeting Cellular Metabolism in Pancreatic Cancer. Front Physiol 2017; 8:217. [PMID: 28446878 PMCID: PMC5388762 DOI: 10.3389/fphys.2017.00217] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2016] [Accepted: 03/27/2017] [Indexed: 12/13/2022] Open
Abstract
Reprogramming of energy metabolism is a hallmark of cancer that enables the cancer cells to meet the increased energetic requirements due to uncontrolled proliferation. One prominent example is pancreatic ductal adenocarcinoma, an aggressive form of cancer with an overall 5-year survival rate of 5%. The reprogramming mechanism in pancreatic cancer involves deregulated uptake of glucose and glutamine and other opportunistic modes of satisfying energetic demands in a hypoxic and nutrient-poor environment. In the current study, we apply systems biology approaches to enable a better understanding of the dynamics of the distinct metabolic alterations in KRAS-mediated pancreatic cancer, with the goal of impeding early cell proliferation by identifying the optimal metabolic enzymes to target. We have constructed a kinetic model of metabolism represented as a set of ordinary differential equations that describe time evolution of the metabolite concentrations in glycolysis, glutaminolysis, tricarboxylic acid cycle and the pentose phosphate pathway. The model is comprised of 46 metabolites and 53 reactions. The mathematical model is fit to published enzyme knockdown experimental data. We then applied the model to perform in silico enzyme modulations and evaluate the effects on cell proliferation. Our work identifies potential combinations of enzyme knockdown, metabolite inhibition, and extracellular conditions that impede cell proliferation. Excitingly, the model predicts novel targets that can be tested experimentally. Therefore, the model is a tool to predict the effects of inhibiting specific metabolic reactions within pancreatic cancer cells, which is difficult to measure experimentally, as well as test further hypotheses toward targeted therapies.
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Affiliation(s)
- Mahua Roy
- Biomedical Engineering, University of Southern CaliforniaLos Angeles, CA, USA
| | - Stacey D Finley
- Biomedical Engineering, University of Southern CaliforniaLos Angeles, CA, USA.,Chemical Engineering, University of Southern CaliforniaLos Angeles, CA, USA
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Marín-Hernández Á, Gallardo-Pérez JC, Hernández-Reséndiz I, Del Mazo-Monsalvo I, Robledo-Cadena DX, Moreno-Sánchez R, Rodríguez-Enríquez S. Hypoglycemia Enhances Epithelial-Mesenchymal Transition and Invasiveness, and Restrains the Warburg Phenotype, in Hypoxic HeLa Cell Cultures and Microspheroids. J Cell Physiol 2016; 232:1346-1359. [PMID: 27661776 DOI: 10.1002/jcp.25617] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2016] [Accepted: 09/22/2016] [Indexed: 12/11/2022]
Abstract
The accelerated growth of solid tumors leads to episodes of both hypoxia and hypoglycemia (HH) affecting their intermediary metabolism, signal transduction, and transcriptional activity. A previous study showed that normoxia (20% O2 ) plus 24 h hypoglycemia (2.5 mM glucose) increased glycolytic flux whereas oxidative phosphorylation (OxPhos) was unchanged versus normoglycemia in HeLa cells. However, the simultaneous effect of HH on energy metabolism has not been yet examined. Therefore, the effect of hypoxia (0.1-1% O2 ) plus hypoglycemia on the energy metabolism of HeLa cells was analyzed by evaluating protein content and activity, along with fluxes of both glycolysis and OxPhos. Under hypoxia, in which cell growth ceased and OxPhos enzyme activities, ΔΨm and flux were depressed, hypoglycemia did not stimulate glycolytic flux despite increasing H-RAS, p-AMPK, GLUT1, GLUT3, and HKI levels, and further decreasing mitochondrial enzyme content. The impaired mitochondrial function in HH cells correlated with mitophagy activation. The depressed OxPhos and unchanged glycolysis pattern was also observed in quiescent cells from mature multicellular tumor spheroids, suggesting that these inner cell layers are similarly subjected to HH. The principal ATP supplier was glycolysis for HH 2D monolayer and 3D quiescent spheroid cells. Accordingly, the glycolytic inhibitors iodoacetate and gossypol were more effective than mitochondrial inhibitors in decreasing HH-cancer cell viability. Under HH, stem cell-, angiogenic-, and EMT-biomarkers, as well as glycoprotein-P content and invasiveness, were also enhanced. These observations indicate that HH cancer cells develop an attenuated Warburg and pronounced EMT- and invasive-phenotype. J. Cell. Physiol. 232: 1346-1359, 2017. © 2016 Wiley Periodicals, Inc.
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Huang WC, Lee DY, Chang GD. Enrichment of Metabolite-Binding Proteins by Affinity Elution in Tandem Hydrophobic Interaction Chromatography (AETHIC) Reveals RKIP Regulating ERK Signaling in an ATP-Dependent Manner. J Proteome Res 2016; 15:3574-3584. [PMID: 27633746 DOI: 10.1021/acs.jproteome.6b00328] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
To elucidate the molecular mechanisms underlying the action of bioactive compounds such as metabolites, identification of their binding targets is essential. However, available techniques for enriching metabolite-binding proteins are practically restrained by special equipment requirements and laborious efforts. Here we have developed a novel method, affinity elution in tandem hydrophobic interaction chromatography (AETHIC), which enables enrichment of metabolite-binding proteins from a crude tissue extract. AETHIC constitutes two major steps, protein fractionation and affinity elution. The basic strategy of AETHIC uses a series of HIC matrices encompassing aliphatic chains of different length and thus provides a wide range of hydrophobicity for interactions with most proteins. Thereafter, target proteins are eluted selectively by a given ligand. As our first proof-of-principle, we demonstrated that AETHIC was able to enrich ATP-binding proteins from porcine brain extract. In addition, we have demonstrated that raf kinase inhibitory protein (RKIP) is an ATP-binding protein and ATP attenuates the interaction between RKIP and Raf-1. In parallel, short-term ATP depletion in cultured HEK293 cells augments interaction between RKIP and Raf-1, resulting in decreased activation of the downstream ERK signaling. Therefore, the ATP-binding function renders RKIP's inhibition on Raf-1 modulated by cellular ATP concentrations. These data shed light on how energy levels affect the propagation of cellular signaling. Taken together, the enclosed results advocate the potential of AETHIC in the study of metabolite-protein interactions.
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Affiliation(s)
- Wei-Chieh Huang
- Graduate Institute of Biochemical Sciences, National Taiwan University , No.1, Section 4, Roosevelt Road, Taipei 106, Taiwan
| | - Der-Yen Lee
- Graduate Institute of Integrated Medicine, China Medical University , No. 91, Hsueh-Shih Road, Taichung 40402, Taiwan
| | - Geen-Dong Chang
- Graduate Institute of Biochemical Sciences, National Taiwan University , No.1, Section 4, Roosevelt Road, Taipei 106, Taiwan
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Marín-Hernández Á, Rodríguez-Zavala JS, Del Mazo-Monsalvo I, Rodríguez-Enríquez S, Moreno-Sánchez R, Saavedra E. Inhibition of Non-flux-Controlling Enzymes Deters Cancer Glycolysis by Accumulation of Regulatory Metabolites of Controlling Steps. Front Physiol 2016; 7:412. [PMID: 27721794 PMCID: PMC5033973 DOI: 10.3389/fphys.2016.00412] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2016] [Accepted: 09/02/2016] [Indexed: 01/09/2023] Open
Abstract
Glycolysis provides precursors for the synthesis of macromolecules and may contribute to the ATP supply required for the constant and accelerated cellular duplication in cancer cells. In consequence, inhibition of glycolysis has been reiteratively considered as an anti-cancer therapeutic option. In previous studies, kinetic modeling of glycolysis in cancer cells allowed the identification of the main steps that control the glycolytic flux: glucose transporter, hexokinase (HK), hexose phosphate isomerase (HPI), and glycogen degradation in human cervix HeLa cancer cells and rat AS-30D ascites hepatocarcinoma. It was also previously experimentally determined that simultaneous inhibition of the non-controlling enzymes lactate dehydrogenase (LDH), pyruvate kinase (PYK), and enolase (ENO) brings about significant decrease in the glycolytic flux of cancer cells and accumulation of intermediate metabolites, mainly fructose-1,6-bisphosphate (Fru1,6BP), and dihydroxyacetone phosphate (DHAP), which are inhibitors of HK and HPI, respectively. Here it was found by kinetic modeling that inhibition of cancer glycolysis can be attained by blocking downstream non flux-controlling steps as long as Fru1,6BP and DHAP, regulatory metabolites of flux-controlling enzymes, are accumulated. Furthermore, experimental results and further modeling showed that oxamate and iodoacetate inhibitions of PYK, ENO, and glyceraldehyde3-phosphate dehydrogenase (GAPDH), but not of LDH and phosphoglycerate kinase, induced accumulation of Fru1,6BP and DHAP in AS-30D hepatoma cells. Indeed, PYK, ENO, and GAPDH exerted the highest control on the Fru1,6BP and DHAP concentrations. The high levels of these metabolites inhibited HK and HPI and led to glycolytic flux inhibition, ATP diminution, and accumulation of toxic methylglyoxal. Hence, the anticancer effects of downstream glycolytic inhibitors are very likely mediated by this mechanism. In parallel, it was also found that uncompetitive inhibition of the flux-controlling steps is a more potent mechanism than competitive and mixed-type inhibition to efficiently perturb cancer glycolysis.
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Affiliation(s)
| | | | | | | | | | - Emma Saavedra
- Departamento de Bioquímica, Instituto Nacional de Cardiología Mexico City, Mexico
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Moreno-Sánchez R, Marín-Hernández Á, Del Mazo-Monsalvo I, Saavedra E, Rodríguez-Enríquez S. Assessment of the low inhibitory specificity of oxamate, aminooxyacetate and dichloroacetate on cancer energy metabolism. Biochim Biophys Acta Gen Subj 2016; 1861:3221-3236. [PMID: 27538376 DOI: 10.1016/j.bbagen.2016.08.006] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2016] [Revised: 07/08/2016] [Accepted: 08/12/2016] [Indexed: 01/24/2023]
Abstract
BACKGROUND Exceedingly high therapeutic/experimental doses of metabolic drugs such as oxamate, aminooxyacetate (AOA) and dichloroacetate (DCA) are required to diminish growth, glycolysis and oxidative phosphorylation (OxPhos) of different cancer cells. To identify the mechanisms of action of these drugs on cancer energy metabolism, a systematic analysis of their specificities was undertaken. METHODS Hepatocarcinoma AS-30D cells were treated with the inhibitors and glycolysis and OxPhos enzyme activities, metabolites and fluxes were analyzed. Kinetic modeling of glycolysis was used to identify the regulatory mechanisms. RESULTS Oxamate (i) not only inhibited LDH, but also PYK and ENO activities inducing an increase in the cytosolic NAD(P)H, Fru1,6BP and DHAP levels in AS-30D cells; (ii) it slightly inhibited HPI, ALD and Glc6PDH; and (iii) it inhibited pyruvate-driven OxPhos in isolated heart mitochondria. AOA (i) strongly inhibited both AAT and AlaT, and 2-OGDH and glutamate-driven OxPhos; and (ii) moderately affected GAPDH and TPI. DCA slightly affected pyruvate-driven OxPhos and Glc6PDH. Kinetic modeling of cancer glycolysis revealed that oxamate inhibition of LDH, PYK and ENO was insufficient to achieve glycolysis flux inhibition. To do so, HK, HPI, TPI and GAPDH have to be also inhibited by the accumulated Fru1,6BP and DHAP induced by oxamate. CONCLUSION Oxamate, AOA, and DCA are not specific drugs since they inhibit several enzymes/transporters of the glycolytic and OxPhos pathways through direct interaction or indirect mechanisms. GENERAL SIGNIFICANCE These data explain why oxamate or AOA, through their multisite inhibitory actions on glycolysis or OxPhos, may be able to decrease the proliferation of cancer cells.
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Affiliation(s)
- Rafael Moreno-Sánchez
- Instituto Nacional de Cardiología, Departamento de Bioquímica, Tlalpan D.F. 14080, Mexico.
| | - Álvaro Marín-Hernández
- Instituto Nacional de Cardiología, Departamento de Bioquímica, Tlalpan D.F. 14080, Mexico
| | - Isis Del Mazo-Monsalvo
- Instituto Nacional de Cardiología, Departamento de Bioquímica, Tlalpan D.F. 14080, Mexico
| | - Emma Saavedra
- Instituto Nacional de Cardiología, Departamento de Bioquímica, Tlalpan D.F. 14080, Mexico
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Moreno-Sánchez R, Saavedra E, Gallardo-Pérez JC, Rumjanek FD, Rodríguez-Enríquez S. Understanding the cancer cell phenotype beyond the limitations of current omics analyses. FEBS J 2015; 283:54-73. [DOI: 10.1111/febs.13535] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2015] [Revised: 08/24/2015] [Accepted: 09/25/2015] [Indexed: 12/27/2022]
Affiliation(s)
- Rafael Moreno-Sánchez
- Departamento de Bioquímica; Instituto Nacional de Cardiología Ignacio Chávez; Tlalpan Mexico
| | - Emma Saavedra
- Departamento de Bioquímica; Instituto Nacional de Cardiología Ignacio Chávez; Tlalpan Mexico
| | | | | | - Sara Rodríguez-Enríquez
- Departamento de Bioquímica; Instituto Nacional de Cardiología Ignacio Chávez; Tlalpan Mexico
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Moreno-Sánchez R, Marín-Hernández A, Saavedra E, Pardo JP, Ralph SJ, Rodríguez-Enríquez S. Who controls the ATP supply in cancer cells? Biochemistry lessons to understand cancer energy metabolism. Int J Biochem Cell Biol 2014; 50:10-23. [PMID: 24513530 DOI: 10.1016/j.biocel.2014.01.025] [Citation(s) in RCA: 136] [Impact Index Per Article: 13.6] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2013] [Revised: 01/21/2014] [Accepted: 01/26/2014] [Indexed: 11/17/2022]
Abstract
Applying basic biochemical principles, this review analyzes data that contrasts with the Warburg hypothesis that glycolysis is the exclusive ATP provider in cancer cells. Although disregarded for many years, there is increasing experimental evidence demonstrating that oxidative phosphorylation (OxPhos) makes a significant contribution to ATP supply in many cancer cell types and under a variety of conditions. Substrates oxidized by normal mitochondria such as amino acids and fatty acids are also avidly consumed by cancer cells. In this regard, the proposal that cancer cells metabolize glutamine for anabolic purposes without the need for a functional respiratory chain and OxPhos is analyzed considering thermodynamic and kinetic aspects for the reductive carboxylation of 2-oxoglutarate catalyzed by isocitrate dehydrogenase. In addition, metabolic control analysis (MCA) studies applied to energy metabolism of cancer cells are reevaluated. Regardless of the experimental/environmental conditions and the rate of lactate production, the flux-control of cancer glycolysis is robust in the sense that it involves the same steps: glucose transport, hexokinase, hexosephosphate isomerase and glycogen degradation, all at the beginning of the pathway; these steps together with phosphofructokinase 1 also control glycolysis in normal cells. The respiratory chain complexes exert significantly higher flux-control on OxPhos in cancer cells than in normal cells. Thus, determination of the contribution of each pathway to ATP supply and/or the flux-control distribution of both pathways in cancer cells is necessary in order to identify differences from normal cells which may lead to the design of rational alternative therapies that selectively target cancer energy metabolism.
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Affiliation(s)
- Rafael Moreno-Sánchez
- Instituto Nacional de Cardiología, Departamento de Bioquímica, Tlalpan, México D.F., Mexico.
| | - Alvaro Marín-Hernández
- Instituto Nacional de Cardiología, Departamento de Bioquímica, Tlalpan, México D.F., Mexico
| | - Emma Saavedra
- Instituto Nacional de Cardiología, Departamento de Bioquímica, Tlalpan, México D.F., Mexico
| | - Juan P Pardo
- Universidad Nacional Autónoma de México, Facultad de Medicina, Departamento de Bioquímica, México D.F., Mexico
| | - Stephen J Ralph
- School of Medical Sciences, Griffith University, Gold Coast Campus, Qld, Australia
| | - Sara Rodríguez-Enríquez
- Instituto Nacional de Cardiología, Departamento de Bioquímica, Tlalpan, México D.F., Mexico; Instituto Nacional de Cancerología, Laboratorio de Medicina Translacional, Tlalpan, México D.F., Mexico
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