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Tsutsumi K, Tippayamontri T, Hayashi M, Matsuda N, Goto Y. The dynamic relationship between inorganic polyphosphate and adenosine triphosphate in human non-small cell lung cancer H1299 cells. FEBS Open Bio 2024; 14:344-354. [PMID: 38105501 PMCID: PMC10839297 DOI: 10.1002/2211-5463.13753] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2023] [Revised: 11/28/2023] [Accepted: 12/15/2023] [Indexed: 12/19/2023] Open
Abstract
Inorganic polyphosphate (polyP) plays a vital role in cellular energy metabolism and signaling, owing to its structure and high-energy phosphate bonds. Intracellular ATP functions both as a cellular energy source and a key factor in cell death, and ATP dynamics in tumor cells are crucial for advancing cancer therapy. In this study, we explored the interplay between polyP and ATP in cellular energy metabolism. Treatment with polyP did not affect cell proliferation of human non-small cell lung cancer H1299 and human glioblastoma T98G cell lines as compared to their respective control cells until 72 h post-treatment. The mitochondrial membrane potential (MMP) in polyP-treated cells was low, contrasting with the time-dependent increase observed in control cells. While the ATP content increased over time in untreated and Na-phosphate-treated control cells, it remained unchanged in polyP-treated cells. Furthermore, the addition of cyclosporine A, a mitochondrial permeability transition pore (mPTP) inhibitor, failed to restore ATP levels in polyP-treated cells. We performed lactate assays and western blot analysis to evaluate the effect of polyP on glucose metabolism and found no significant differences in lactate secretion or glucose-6-phosphate dehydrogenase (G6PD) activity between polyP-treated and control cells. Additional pyruvate restored MMP but had no effect on the cellular ATP content in polyP-treated cells. We observed no correlation between the Warburg effect and glucose metabolism during ATP depletion in polyP-treated cells. Further investigation is warranted to explore the roles of polyP and ATP in cancer cell energy metabolism, which might offer potential avenues for therapeutic interventions.
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Affiliation(s)
- Kaori Tsutsumi
- Department of Biomedical Science and EngineeringFaculty of Health SciencesHokkaido UniversitySapporoJapan
| | - Thititip Tippayamontri
- Department of Radiological Technology and Medical PhysicsFaculty of Allied Health SciencesChulalongkorn UniversityBangkokThailand
| | - Mari Hayashi
- Department of Health Sciences, School of MedicineHokkaido UniversitySapporoJapan
| | - Nobuto Matsuda
- Department of Health Sciences, School of MedicineHokkaido UniversitySapporoJapan
| | - Yusaku Goto
- Department of Health Sciences, School of MedicineHokkaido UniversitySapporoJapan
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2
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Guitart-Mampel M, Urquiza P, Carnevale Neto F, Anderson JR, Hambardikar V, Scoma ER, Merrihew GE, Wang L, MacCoss MJ, Raftery D, Peffers MJ, Solesio ME. Mitochondrial Inorganic Polyphosphate (polyP) Is a Potent Regulator of Mammalian Bioenergetics in SH-SY5Y Cells: A Proteomics and Metabolomics Study. Front Cell Dev Biol 2022; 10:833127. [PMID: 35252194 PMCID: PMC8892102 DOI: 10.3389/fcell.2022.833127] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2021] [Accepted: 01/21/2022] [Indexed: 01/04/2023] Open
Abstract
Inorganic polyphosphate (polyP) is an ancient, ubiquitous, and well-conserved polymer which is present in all the studied organisms. It is formed by individual subunits of orthophosphate which are linked by structurally similar bonds and isoenergetic to those found in ATP. While the metabolism and the physiological roles of polyP have already been described in some organisms, including bacteria and yeast, the exact role of this polymer in mammalian physiology still remains poorly understood. In these organisms, polyP shows a co-localization with mitochondria, and its role as a key regulator of the stress responses, including the maintenance of appropriate bioenergetics, has already been demonstrated by our group and others. Here, using Wild-type (Wt) and MitoPPX (cells enzymatically depleted of mitochondrial polyP) SH-SY5Y cells, we have conducted a comprehensive study of the status of cellular physiology, using proteomics and metabolomics approaches. Our results suggest a clear dysregulation of mitochondrial physiology, especially of bioenergetics, in MitoPPX cells when compared with Wt cells. Moreover, the effects induced by the enzymatic depletion of polyP are similar to those present in the mitochondrial dysfunction that is observed in neurodegenerative disorders and in neuronal aging. Based on our findings, the metabolism of mitochondrial polyP could be a valid and innovative pharmacological target in these conditions.
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Affiliation(s)
| | - Pedro Urquiza
- Department of Biology, Rutgers University, Camden, NJ, United States
| | - Fausto Carnevale Neto
- Northwest Metabolomics Research Center, Department of Anesthesiology and Pain Medicine, University of Washington, Seattle, WA, United States
| | - James R. Anderson
- Musculoskeletal and Ageing Science, Institute of Life Course and Medical Sciences, University of Liverpool, Liverpool, United Kingdom
| | - Vedangi Hambardikar
- Center for Computational and Integrative Biology, Rutgers University, Camden, NJ, United States
| | - Ernest R. Scoma
- Center for Computational and Integrative Biology, Rutgers University, Camden, NJ, United States
| | - Gennifer E. Merrihew
- Department of Genome Sciences, University of Washington, Seattle, WA, United States
| | - Lu Wang
- Department of Environmental and Occupational Health Sciences, University of Washington, Seattle, WA, United States
| | - Michael J. MacCoss
- Department of Genome Sciences, University of Washington, Seattle, WA, United States
| | - Daniel Raftery
- Northwest Metabolomics Research Center, Department of Anesthesiology and Pain Medicine, University of Washington, Seattle, WA, United States
- Public Health Sciences Division, Fred Hutchinson Cancer Research Center, Seattle, WA, United States
| | - Mandy J. Peffers
- Musculoskeletal and Ageing Science, Institute of Life Course and Medical Sciences, University of Liverpool, Liverpool, United Kingdom
| | - Maria E. Solesio
- Department of Biology, Rutgers University, Camden, NJ, United States
- Center for Computational and Integrative Biology, Rutgers University, Camden, NJ, United States
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Bibbò F, Sorice C, Ferrucci V, Zollo M. Functional Genomics of PRUNE1 in Neurodevelopmental Disorders (NDDs) Tied to Medulloblastoma (MB) and Other Tumors. Front Oncol 2021; 11:758146. [PMID: 34745995 PMCID: PMC8569853 DOI: 10.3389/fonc.2021.758146] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2021] [Accepted: 09/28/2021] [Indexed: 12/31/2022] Open
Abstract
We analyze the fundamental functions of Prune_1 in brain pathophysiology. We discuss the importance and maintenance of the function of Prune_1 and how its perturbation influences both brain pathological conditions, neurodevelopmental disorder with microcephaly, hypotonia, and variable brain anomalies (NMIHBA; OMIM: 617481), and tumorigenesis of medulloblastoma (MB) with functional correlations to other tumors. A therapeutic view underlying recent discoveries identified small molecules and cell penetrating peptides to impair the interaction of Prune_1 with protein partners (e.g., Nm23-H1), thus further impairing intracellular and extracellular signaling (i.e., canonical Wnt and TGF-β pathways). Identifying the mechanism of action of Prune_1 as responsible for neurodevelopmental disorders (NDDs), we have recognized other genes which are found overexpressed in brain tumors (e.g., MB) with functional implications in neurodevelopmental processes, as mainly linked to changes in mitotic cell cycle processes. Thus, with Prune_1 being a significant target in NDDs, we discuss how its network of action can be dysregulated during brain development, thus generating cancer and metastatic dissemination.
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Affiliation(s)
- Francesca Bibbò
- Dipartimento di Medicina Molecolare e Biotecnologie Mediche (DMMBM), ‘Federico II’ University of Naples, Naples, Italy
- CEINGE Biotecnologie Avanzate, Naples, Italy
| | - Carmen Sorice
- Dipartimento di Medicina Molecolare e Biotecnologie Mediche (DMMBM), ‘Federico II’ University of Naples, Naples, Italy
- CEINGE Biotecnologie Avanzate, Naples, Italy
| | - Veronica Ferrucci
- Dipartimento di Medicina Molecolare e Biotecnologie Mediche (DMMBM), ‘Federico II’ University of Naples, Naples, Italy
- CEINGE Biotecnologie Avanzate, Naples, Italy
| | - Massimo Zollo
- Dipartimento di Medicina Molecolare e Biotecnologie Mediche (DMMBM), ‘Federico II’ University of Naples, Naples, Italy
- CEINGE Biotecnologie Avanzate, Naples, Italy
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4
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Wang X, Gawri R, Lei C, Lee J, Sowa G, Kandel R, Vo N. Inorganic polyphosphates stimulates matrix production in human annulus fibrosus cells. JOR Spine 2021; 4:e1143. [PMID: 34337332 PMCID: PMC8313173 DOI: 10.1002/jsp2.1143] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/21/2020] [Revised: 01/20/2021] [Accepted: 02/13/2021] [Indexed: 11/10/2022] Open
Abstract
INTRODUCTION Ubiquitously found in all life forms, inorganic polyphosphates (polyP) are linear polymers of repeated orthophosphate units. Present in intervertebral disc tissue, polyP was previously shown to increase extracellular matrix production in nucleus pulposus (NP) cells. However, the effects of polyP on human annulus fibrosus (hAF) cell metabolism is not known. METHODS AND RESULTS Here, hAF cells cultured in the presence of 0.5 to 1 mM polyP, chain length 22 (polyP-22), showed an increase in glycosaminoglycan content, proteoglycan and collagen synthesis, and aggrecan and collagen type 1 gene expression. Gene expression level of matrix metalloproteinases 1 was reduced while matrix metalloproteinases 3 level was increased in hAF cells treated with 1 mM polyP. Adenosine triphosphate (ATP) synthesis was also significantly increased in hAF cell culture 72 hours after the exposure to 1 mM polyP-22. CONCLUSIONS PolyP thus has both anabolic and bioenergetic effects in AF cells, similar to that observed in NP cells. Together, these results suggest polyP as a potential energy source and a metabolic regulator of disc cells.
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Affiliation(s)
- Xiangjiang Wang
- McGowan Institute for Regenerative MedicineUniversity of PittsburghPittsburghPennsylvaniaUSA
- Department of Orthopaedic SurgeryUniversity of PittsburghPittsburghPennsylvaniaUSA
- Department of Orthopaedic SurgeryThe Sixth Affiliated Hospital of Guangzhou Medical UniversityQingyuanChina
- Department of OrthopedicsThe Third Affiliated Hospital of Southern Medical UniversityGuangzhouChina
| | - Rahul Gawri
- Lunenfeld‐Tanenbaum Research InstituteMount Sinai HospitalTorontoCanada
- Pathology and Laboratory MedicineMount Sinai HospitalTorontoCanada
- Laboratory Medicine and PathobiologyUniversity of TorontoTorontoCanada
- Institute of Biomaterials and Biomedical EngineeringUniversity of TorontoTorontoCanada
| | - Changbin Lei
- Department of Orthopaedic SurgeryUniversity of PittsburghPittsburghPennsylvaniaUSA
- Department of Orthopaedic SurgeryAffiliated Hospital of Xiangnan UniversityChenzhouChina
- Department of Clinical Medical Research CenterAffiliated Hospital of Xiangnan UniversityChenzhouChina
| | - Joon Lee
- McGowan Institute for Regenerative MedicineUniversity of PittsburghPittsburghPennsylvaniaUSA
| | - Gwendolyn Sowa
- Department of Orthopaedic SurgeryUniversity of PittsburghPittsburghPennsylvaniaUSA
- Department of Physical Medicine and RehabilitationUniversity of PittsburghPittsburghPennsylvaniaUSA
| | - Rita Kandel
- Lunenfeld‐Tanenbaum Research InstituteMount Sinai HospitalTorontoCanada
- Pathology and Laboratory MedicineMount Sinai HospitalTorontoCanada
- Laboratory Medicine and PathobiologyUniversity of TorontoTorontoCanada
| | - Nam Vo
- McGowan Institute for Regenerative MedicineUniversity of PittsburghPittsburghPennsylvaniaUSA
- Department of PathologyUniversity of PittsburghPittsburghPennsylvaniaUSA
- Department of Orthopaedic SurgeryUniversity of PittsburghPittsburghPennsylvaniaUSA
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5
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Boyineni J, Sredni ST, Margaryan NV, Demirkhanyan L, Tye M, Johnson R, Gonzalez-Nilo F, Hendrix MJC, Pavlov E, Soares MB, Zakharian E, Malchenko S. Inorganic polyphosphate as an energy source in tumorigenesis. Oncotarget 2020; 11:4613-4624. [PMID: 33400735 PMCID: PMC7747861 DOI: 10.18632/oncotarget.27838] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2020] [Accepted: 11/20/2020] [Indexed: 11/25/2022] Open
Abstract
Cancer cells have high demands for energy to maintain their exceedingly proliferative growth. However, the mechanism of energy expenditure in cancer is not well understood. We hypothesize that cancer cells might utilize energy-rich inorganic polyphosphate (polyP), as energetic reserve. PolyP is comprised of orthophosphates linked by phosphoanhydride bonds, as in ATP. Here, we show that polyP is highly abundant in several types of cancer cells, including brain tumor-initiating cells (BTICs), i.e., stem-like cells derived from a mouse brain tumor model that we have previously described. The polymer is avidly consumed during starvation of the BTICs. Depletion of ATP by inhibiting glycolysis and mitochondrial ATP-synthase (OXPHOS) further decreases the levels of polyP and alters morphology of the cells. Moreover, enzymatic hydrolysis of the polymer impairs the viability of cancer cells and significantly deprives ATP stores. These results suggest that polyP might be utilized as a source of phosphate energy in cancer. While the role of polyP as an energy source is established for bacteria, this finding is the first demonstration that polyP may play a similar role in the metabolism of cancer cells.
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Affiliation(s)
- Jerusha Boyineni
- Department of Cancer Biology & Pharmacology, University of Illinois College of Medicine, Peoria, Illinois, USA
| | - Simone T Sredni
- Department of Surgery, Feinberg School of Medicine, Northwestern University, Chicago, Illinois, USA.,Division of Pediatric Neurosurgery, Ann & Robert H. Lurie Children's Hospital of Chicago, Chicago, Illinois, USA
| | - Naira V Margaryan
- Department of Biochemistry, Robert C. Byrd Health Sciences Center and Cancer Institute, West Virginia University, Morgantown, West Virginia, USA
| | - Lusine Demirkhanyan
- Department of Cancer Biology & Pharmacology, University of Illinois College of Medicine, Peoria, Illinois, USA
| | - Michael Tye
- Department of Cancer Biology & Pharmacology, University of Illinois College of Medicine, Peoria, Illinois, USA
| | - Robert Johnson
- Department of Cancer Biology & Pharmacology, University of Illinois College of Medicine, Peoria, Illinois, USA
| | - Fernando Gonzalez-Nilo
- Center for Bioinformatics and Integrative Biology, Universidad Andres Bello, Santiago, Chile.,Centro Interdisciplinario de Neurociencia de Valparaíso, Facultad de Ciencias, Universidad de Valparaíso, Valparaíso, Chile
| | - Mary J C Hendrix
- Department of Biology, Shepherd University, Shepherdstown, West Virginia, USA
| | - Evgeny Pavlov
- Department of Molecular Pathobiology, New York University, College of Dentistry, New York, New York, USA
| | - Marcelo B Soares
- Department of Cancer Biology & Pharmacology, University of Illinois College of Medicine, Peoria, Illinois, USA
| | - Eleonora Zakharian
- Department of Cancer Biology & Pharmacology, University of Illinois College of Medicine, Peoria, Illinois, USA.,These authors contributed equally to this work
| | - Sergey Malchenko
- Department of Cancer Biology & Pharmacology, University of Illinois College of Medicine, Peoria, Illinois, USA.,These authors contributed equally to this work
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Xie L, Rajpurkar A, Quarles E, Taube N, Rai AS, Erba J, Sliwinski B, Markowitz M, Jakob U, Knoefler D. Accumulation of Nucleolar Inorganic Polyphosphate Is a Cellular Response to Cisplatin-Induced Apoptosis. Front Oncol 2019; 9:1410. [PMID: 31921667 PMCID: PMC6920253 DOI: 10.3389/fonc.2019.01410] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2019] [Accepted: 11/28/2019] [Indexed: 01/09/2023] Open
Abstract
The chemotherapeutic drug cisplatin, which targets DNA, serves as one of the main staples in cancer treatment. Yet, the therapeutic application of cisplatin is limited by two major challenges: the occurrence of reversible and irreversible side effects due to non-specific toxicity, and the intrinsic or developing resistance of tumor cells toward cisplatin. Here we demonstrate that cancer cells respond to cisplatin treatment with the nucleolar accumulation of inorganic polyphosphate (polyP), a universally conserved high-energy compound. PolyP accumulation positively correlates with the levels of activated caspase-3, suggesting a novel role of polyP in cisplatin-mediated apoptosis. In support of this finding, we discovered that administration of exogenous polyP increases cisplatin-induced toxicity in select cancer cell lines, raising the exciting possibility that enhancing endogenous polyP levels might be a novel mechanism to sensitize cancer cells to cisplatin treatment.
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Affiliation(s)
- Lihan Xie
- Department of Molecular, Cellular, and Developmental Biology, University of Michigan, Ann Arbor, MI, United States
| | - Asavari Rajpurkar
- Department of Molecular, Cellular, and Developmental Biology, University of Michigan, Ann Arbor, MI, United States
| | - Ellen Quarles
- Department of Molecular, Cellular, and Developmental Biology, University of Michigan, Ann Arbor, MI, United States
| | - Nicole Taube
- Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, United States
| | - Akash S Rai
- Department of Molecular, Cellular, and Developmental Biology, University of Michigan, Ann Arbor, MI, United States
| | - Jake Erba
- Department of Molecular, Cellular, and Developmental Biology, University of Michigan, Ann Arbor, MI, United States
| | - Benjamin Sliwinski
- Department of Molecular, Cellular, and Developmental Biology, University of Michigan, Ann Arbor, MI, United States
| | - Moses Markowitz
- Department of Molecular, Cellular, and Developmental Biology, University of Michigan, Ann Arbor, MI, United States
| | - Ursula Jakob
- Department of Molecular, Cellular, and Developmental Biology, University of Michigan, Ann Arbor, MI, United States
| | - Daniela Knoefler
- Department of Molecular, Cellular, and Developmental Biology, University of Michigan, Ann Arbor, MI, United States
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7
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Bentley-DeSousa A, Downey M. From underlying chemistry to therapeutic potential: open questions in the new field of lysine polyphosphorylation. Curr Genet 2018; 65:57-64. [PMID: 29881919 DOI: 10.1007/s00294-018-0854-4] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2018] [Revised: 06/01/2018] [Accepted: 06/04/2018] [Indexed: 12/14/2022]
Abstract
Polyphosphorylation is a newly described non-enzymatic post-translational modification wherein long chains of inorganic phosphates are attached to lysine residues. The first targets of polyphosphorylation identified were S. cerevisiae proteins Nsr1 and Top1. Building on this theme, we recently exploited functional genomics tools in yeast to identify 15 new targets, including a conserved network of nucleolar proteins implicated in ribosome biogenesis. We also described the polyphosphorylation of six human proteins, suggesting that this unique post-translational modification could be conserved throughout eukaryotes. The study of polyphosphorylation seems poised to uncover novel modes of protein regulation in pathways spanning diverse biological processes. In this review, we establish a framework for future work by outlining critical questions related to the biochemistry of polyphosphorylation, its therapeutic potential, and everything in between.
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Affiliation(s)
- Amanda Bentley-DeSousa
- Department of Cellular and Molecular Medicine, University of Ottawa, Ottawa, ON, K1H 8M5, Canada.,Ottawa Institute of Systems Biology, University of Ottawa, Ottawa, ON, KIH 8M5, Canada
| | - Michael Downey
- Department of Cellular and Molecular Medicine, University of Ottawa, Ottawa, ON, K1H 8M5, Canada. .,Ottawa Institute of Systems Biology, University of Ottawa, Ottawa, ON, KIH 8M5, Canada.
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Wang L, Xia Y, Chen T, Zeng Y, Li L, Hou Y, Li W, Liu Z. Sanyang Xuedai enhances the radiosensitivity of human non-small cell lung cancer cells via increasing iNOS/NO production. Biomed Pharmacother 2018; 102:618-625. [DOI: 10.1016/j.biopha.2018.03.017] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2017] [Revised: 02/28/2018] [Accepted: 03/05/2018] [Indexed: 02/07/2023] Open
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