1
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Kataura T, Sedlackova L, Sun C, Kocak G, Wilson N, Banks P, Hayat F, Trushin S, Trushina E, Maddocks ODK, Oblong JE, Miwa S, Imoto M, Saiki S, Erskine D, Migaud ME, Sarkar S, Korolchuk VI. Targeting the autophagy-NAD axis protects against cell death in Niemann-Pick type C1 disease models. Cell Death Dis 2024; 15:382. [PMID: 38821960 PMCID: PMC11143325 DOI: 10.1038/s41419-024-06770-y] [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: 11/16/2023] [Revised: 05/19/2024] [Accepted: 05/22/2024] [Indexed: 06/02/2024]
Abstract
Impairment of autophagy leads to an accumulation of misfolded proteins and damaged organelles and has been implicated in plethora of human diseases. Loss of autophagy in actively respiring cells has also been shown to trigger metabolic collapse mediated by the depletion of nicotinamide adenine dinucleotide (NAD) pools, resulting in cell death. Here we found that the deficit in the autophagy-NAD axis underpins the loss of viability in cell models of a neurodegenerative lysosomal storage disorder, Niemann-Pick type C1 (NPC1) disease. Defective autophagic flux in NPC1 cells resulted in mitochondrial dysfunction due to impairment of mitophagy, leading to the depletion of both the reduced and oxidised forms of NAD as identified via metabolic profiling. Consequently, exhaustion of the NAD pools triggered mitochondrial depolarisation and apoptotic cell death. Our chemical screening identified two FDA-approved drugs, celecoxib and memantine, as autophagy activators which effectively restored autophagic flux, NAD levels, and cell viability of NPC1 cells. Of biomedical relevance, either pharmacological rescue of the autophagy deficiency or NAD precursor supplementation restored NAD levels and improved the viability of NPC1 patient fibroblasts and induced pluripotent stem cell (iPSC)-derived cortical neurons. Together, our findings identify the autophagy-NAD axis as a mechanism of cell death and a target for therapeutic interventions in NPC1 disease, with a potential relevance to other neurodegenerative disorders.
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Affiliation(s)
- Tetsushi Kataura
- Biosciences Institute, Faculty of Medical Sciences, Newcastle University, Newcastle upon Tyne, NE4 5PL, UK.
- Department of Neurology, Institute of Medicine, University of Tsukuba, Tsukuba, Ibaraki, 305-8575, Japan.
| | - Lucia Sedlackova
- Biosciences Institute, Faculty of Medical Sciences, Newcastle University, Newcastle upon Tyne, NE4 5PL, UK.
- Centre for Genomic Regulation (CRG), The Barcelona Institute of Science and Technology, Barcelona, Spain.
| | - Congxin Sun
- Institute of Cancer and Genomic Sciences, Institute of Biomedical Research, College of Medical and Dental Sciences, University of Birmingham, Birmingham, B15 2TT, UK
| | - Gamze Kocak
- Institute of Cancer and Genomic Sciences, Institute of Biomedical Research, College of Medical and Dental Sciences, University of Birmingham, Birmingham, B15 2TT, UK
| | - Niall Wilson
- Biosciences Institute, Faculty of Medical Sciences, Newcastle University, Newcastle upon Tyne, NE4 5PL, UK
| | - Peter Banks
- Biosciences Institute, Faculty of Medical Sciences, Newcastle University, Newcastle upon Tyne, NE4 5PL, UK
| | - Faisal Hayat
- Mitchell Cancer Institute, Department of Pharmacology, F. P. Whiddon College of Medicine, University of South Alabama, Mobile, AL, 36604, USA
| | - Sergey Trushin
- Department of Neurology, Mayo Clinic, 200 First St. SW, Rochester, MN, 55905, USA
| | - Eugenia Trushina
- Department of Neurology, Mayo Clinic, 200 First St. SW, Rochester, MN, 55905, USA
- Department of Molecular Pharmacology and Experimental Therapeutics, Mayo Clinic, 200 First St. SW, Rochester, MN, 55905, USA
| | | | - John E Oblong
- The Procter & Gamble Company, Cincinnati, OH, 45040, USA
| | - Satomi Miwa
- Biosciences Institute, Faculty of Medical Sciences, Newcastle University, Newcastle upon Tyne, NE4 5PL, UK
| | - Masaya Imoto
- Division for Development of Autophagy Modulating Drugs, Juntendo University Graduate School of Medicine, Bunkyo, Tokyo, 113-8421, Japan
| | - Shinji Saiki
- Department of Neurology, Institute of Medicine, University of Tsukuba, Tsukuba, Ibaraki, 305-8575, Japan
| | - Daniel Erskine
- Translational and Clinical Research Institute, Newcastle University, Newcastle upon Tyne, NE1 7RU, UK
| | - Marie E Migaud
- Mitchell Cancer Institute, Department of Pharmacology, F. P. Whiddon College of Medicine, University of South Alabama, Mobile, AL, 36604, USA
| | - Sovan Sarkar
- Institute of Cancer and Genomic Sciences, Institute of Biomedical Research, College of Medical and Dental Sciences, University of Birmingham, Birmingham, B15 2TT, UK.
| | - Viktor I Korolchuk
- Biosciences Institute, Faculty of Medical Sciences, Newcastle University, Newcastle upon Tyne, NE4 5PL, UK.
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2
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Chellappa K, McReynolds MR, Lu W, Zeng X, Makarov M, Hayat F, Mukherjee S, Bhat YR, Lingala SR, Shima RT, Descamps HC, Cox T, Ji L, Jankowski C, Chu Q, Davidson SM, Thaiss CA, Migaud ME, Rabinowitz JD, Baur JA. NAD precursors cycle between host tissues and the gut microbiome. Cell Metab 2022; 34:1947-1959.e5. [PMID: 36476934 PMCID: PMC9825113 DOI: 10.1016/j.cmet.2022.11.004] [Citation(s) in RCA: 31] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/17/2021] [Revised: 07/08/2022] [Accepted: 11/09/2022] [Indexed: 12/12/2022]
Abstract
Nicotinamide adenine dinucleotide (NAD) is an essential redox cofactor in mammals and microbes. Here we use isotope tracing to investigate the precursors supporting NAD synthesis in the gut microbiome of mice. We find that dietary NAD precursors are absorbed in the proximal part of the gastrointestinal tract and not available to microbes in the distal gut. Instead, circulating host nicotinamide enters the gut lumen and supports microbial NAD synthesis. The microbiome converts host-derived nicotinamide into nicotinic acid, which is used for NAD synthesis in host tissues and maintains circulating nicotinic acid levels even in the absence of dietary consumption. Moreover, the main route from oral nicotinamide riboside, a widely used nutraceutical, to host NAD is via conversion into nicotinic acid by the gut microbiome. Thus, we establish the capacity for circulating host micronutrients to feed the gut microbiome, and in turn be transformed in a manner that enhances host metabolic flexibility.
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Affiliation(s)
- Karthikeyani Chellappa
- Department of Physiology and Institute for Diabetes, Obesity, and Metabolism, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Melanie R McReynolds
- Lewis-Sigler Institute for Integrative Genomics, Princeton University, Princeton, NJ, USA; Department of Chemistry, Princeton University, Princeton, NJ, USA
| | - Wenyun Lu
- Lewis-Sigler Institute for Integrative Genomics, Princeton University, Princeton, NJ, USA; Department of Chemistry, Princeton University, Princeton, NJ, USA
| | - Xianfeng Zeng
- Lewis-Sigler Institute for Integrative Genomics, Princeton University, Princeton, NJ, USA; Department of Chemistry, Princeton University, Princeton, NJ, USA
| | - Mikhail Makarov
- Department of Pharmacology, Mitchell Cancer Institute, College of Medicine, University of South Alabama, Mobile, AL, USA
| | - Faisal Hayat
- Department of Pharmacology, Mitchell Cancer Institute, College of Medicine, University of South Alabama, Mobile, AL, USA
| | - Sarmistha Mukherjee
- Department of Physiology and Institute for Diabetes, Obesity, and Metabolism, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Yashaswini R Bhat
- Department of Physiology and Institute for Diabetes, Obesity, and Metabolism, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Siddharth R Lingala
- Department of Physiology and Institute for Diabetes, Obesity, and Metabolism, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Rafaella T Shima
- Department of Physiology and Institute for Diabetes, Obesity, and Metabolism, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Hélène C Descamps
- Department of Microbiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Timothy Cox
- Department of Microbiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Lixin Ji
- Department of Physiology and Institute for Diabetes, Obesity, and Metabolism, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Connor Jankowski
- Lewis-Sigler Institute for Integrative Genomics, Princeton University, Princeton, NJ, USA; Department of Chemistry, Princeton University, Princeton, NJ, USA
| | - Qingwei Chu
- Department of Physiology and Institute for Diabetes, Obesity, and Metabolism, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Shawn M Davidson
- Lewis-Sigler Institute for Integrative Genomics, Princeton University, Princeton, NJ, USA
| | - Christoph A Thaiss
- Department of Microbiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Marie E Migaud
- Department of Pharmacology, Mitchell Cancer Institute, College of Medicine, University of South Alabama, Mobile, AL, USA
| | - Joshua D Rabinowitz
- Lewis-Sigler Institute for Integrative Genomics, Princeton University, Princeton, NJ, USA; Department of Chemistry, Princeton University, Princeton, NJ, USA.
| | - Joseph A Baur
- Department of Physiology and Institute for Diabetes, Obesity, and Metabolism, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA.
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3
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Kropotov A, Kulikova V, Solovjeva L, Yakimov A, Nerinovski K, Svetlova M, Sudnitsyna J, Plusnina A, Antipova M, Khodorkovskiy M, Migaud ME, Gambaryan S, Ziegler M, Nikiforov A. Purine nucleoside phosphorylase controls nicotinamide riboside metabolism in mammalian cells. J Biol Chem 2022; 298:102615. [PMID: 36265580 PMCID: PMC9667316 DOI: 10.1016/j.jbc.2022.102615] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2022] [Revised: 10/12/2022] [Accepted: 10/14/2022] [Indexed: 11/13/2022] Open
Abstract
Nicotinamide riboside (NR) is an effective precursor of nicotinamide adenine dinucleotide (NAD) in human and animal cells. NR supplementation can increase the level of NAD in various tissues and thereby improve physiological functions that are weakened or lost in experimental models of aging or various human pathologies. However, there are also reports questioning the efficacy of NR supplementation. Indeed, the mechanisms of its utilization by cells are not fully understood. Herein, we investigated the role of purine nucleoside phosphorylase (PNP) in NR metabolism in mammalian cells. Using both PNP overexpression and genetic knockout, we show that after being imported into cells by members of the equilibrative nucleoside transporter family, NR is predominantly metabolized by PNP, resulting in nicotinamide (Nam) accumulation. Intracellular cleavage of NR to Nam is prevented by the potent PNP inhibitor Immucillin H in various types of mammalian cells. In turn, suppression of PNP activity potentiates NAD synthesis from NR. Combining pharmacological inhibition of PNP with NR supplementation in mice, we demonstrate that the cleavage of the riboside to Nam is strongly diminished, maintaining high levels of NR in blood, kidney, and liver. Moreover, we show that PNP inhibition stimulates Nam mononucleotide and NAD+ synthesis from NR in vivo, in particular, in the kidney. Thus, we establish PNP as a major regulator of NR metabolism in mammals and provide evidence that the health benefits of NR supplementation could be greatly enhanced by concomitant downregulation of PNP activity.
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Affiliation(s)
- Andrey Kropotov
- Institute of Cytology, Russian Academy of Sciences, St Petersburg, Russia
| | - Veronika Kulikova
- Institute of Cytology, Russian Academy of Sciences, St Petersburg, Russia,Sechenov Institute of Evolutionary Physiology and Biochemistry, Russian Academy of Sciences, St Petersburg, Russia
| | - Ljudmila Solovjeva
- Institute of Cytology, Russian Academy of Sciences, St Petersburg, Russia
| | - Alexander Yakimov
- Institute of Cytology, Russian Academy of Sciences, St Petersburg, Russia,Research Center of Nanobiotechnologies, Peter the Great St Petersburg Polytechnic University, St Petersburg, Russia
| | - Kirill Nerinovski
- Department of Nuclear Physics Research Methods, St Petersburg State University, St Petersburg, Russia
| | - Maria Svetlova
- Institute of Cytology, Russian Academy of Sciences, St Petersburg, Russia
| | - Julia Sudnitsyna
- Sechenov Institute of Evolutionary Physiology and Biochemistry, Russian Academy of Sciences, St Petersburg, Russia
| | - Alena Plusnina
- Institute of Cytology, Russian Academy of Sciences, St Petersburg, Russia
| | - Maria Antipova
- Institute of Cytology, Russian Academy of Sciences, St Petersburg, Russia
| | - Mikhail Khodorkovskiy
- Institute of Cytology, Russian Academy of Sciences, St Petersburg, Russia,Research Center of Nanobiotechnologies, Peter the Great St Petersburg Polytechnic University, St Petersburg, Russia
| | - Marie E. Migaud
- Mitchell Cancer Institute, University of South Alabama, Mobile, Alabama, USA
| | - Stepan Gambaryan
- Sechenov Institute of Evolutionary Physiology and Biochemistry, Russian Academy of Sciences, St Petersburg, Russia
| | - Mathias Ziegler
- Department of Biomedicine, University of Bergen, Bergen, Norway,For correspondence: Andrey Nikiforov; Mathias Ziegler
| | - Andrey Nikiforov
- Institute of Cytology, Russian Academy of Sciences, St Petersburg, Russia,For correspondence: Andrey Nikiforov; Mathias Ziegler
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4
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Nicotinamide Riboside and Dihydronicotinic Acid Riboside Synergistically Increase Intracellular NAD+ by Generating Dihydronicotinamide Riboside. Nutrients 2022; 14:nu14132752. [PMID: 35807932 PMCID: PMC9269339 DOI: 10.3390/nu14132752] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2022] [Revised: 06/29/2022] [Accepted: 06/29/2022] [Indexed: 12/20/2022] Open
Abstract
Through evolution, eukaryote organisms have developed the ability to use different molecules as independent precursors to generate nicotinamide adenine dinucleotide (NAD+), an essential molecule for life. However, whether these different precursors act in an additive or complementary manner is not truly well understood. Here, we have evaluated how combinations of different NAD+ precursors influence intracellular NAD+ levels. We identified dihydronicotinic acid riboside (NARH) as a new NAD+ precursor in hepatic cells. Second, we demonstrate how NARH, but not any other NAD+ precursor, can act synergistically with nicotinamide riboside (NR) to increase NAD+ levels in cultured cells and in mice. Finally, we demonstrate that the large increase in NAD+ prompted by the combination of these two precursors is due to their chemical interaction and conversion to dihydronicotinamide riboside (NRH). Altogether, this work demonstrates for the first time that NARH can act as a NAD+ precursor in mammalian cells and how different NAD+ precursors can interact and influence each other when co-administered.
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5
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Synthesis of Mixed Dinucleotides by Mechanochemistry. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27103229. [PMID: 35630705 PMCID: PMC9147584 DOI: 10.3390/molecules27103229] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/15/2022] [Revised: 05/08/2022] [Accepted: 05/10/2022] [Indexed: 11/17/2022]
Abstract
We report the synthesis of vitamin B1, B2, and B3 derived nucleotides and dinucleotides generated either through mechanochemical or solution phase chemistry. Under the explored conditions, adenosine and thiamine proved to be particularly amenable to milling conditions. Following optimization of the chemistry related to the formation pyrophosphate bonds, mixed dinucleotides of adenine and thiamine (vitamin B1), riboflavin (vitamin B2), nicotinamide riboside and 3-carboxamide 4-pyridone riboside (both vitamin B3 derivatives) were generated in good yields. Furthermore, we report an efficient synthesis of the MW+4 isotopologue of NAD+ for which deuterium incorporation is present on either side of the dinucleotidic linkage, poised for isotopic tracing experiments by mass spectrometry. Many of these mixed species are novel and present unexplored possibilities to simultaneously enhance or modulate cofactor transporters and enzymes of independent biosynthetic pathways.
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6
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Giner MP, Christen S, Bartova S, Makarov MV, Migaud ME, Canto C, Moco S. A Method to Monitor the NAD + Metabolome-From Mechanistic to Clinical Applications. Int J Mol Sci 2021; 22:10598. [PMID: 34638936 PMCID: PMC8508997 DOI: 10.3390/ijms221910598] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2021] [Revised: 09/28/2021] [Accepted: 09/29/2021] [Indexed: 01/07/2023] Open
Abstract
Nicotinamide adenine dinucleotide (NAD+) and its reduced form (NADH) are coenzymes employed in hundreds of metabolic reactions. NAD+ also serves as a substrate for enzymes such as sirtuins, poly(ADP-ribose) polymerases (PARPs) and ADP-ribosyl cyclases. Given the pivotal role of NAD(H) in health and disease, studying NAD+ metabolism has become essential to monitor genetic- and/or drug-induced perturbations related to metabolic status and diseases (such as ageing, cancer or obesity), and its possible therapies. Here, we present a strategy based on liquid chromatography-tandem mass spectrometry (LC-MS/MS), for the analysis of the NAD+ metabolome in biological samples. In this method, hydrophilic interaction chromatography (HILIC) was used to separate a total of 18 metabolites belonging to pathways leading to NAD+ biosynthesis, including precursors, intermediates and catabolites. As redox cofactors are known for their instability, a sample preparation procedure was developed to handle a variety of biological matrices: cell models, rodent tissues and biofluids, as well as human biofluids (urine, plasma, serum, whole blood). For clinical applications, quantitative LC-MS/MS for a subset of metabolites was demonstrated for the analysis of the human whole blood of nine volunteers. Using this developed workflow, our methodology allows studying NAD+ biology from mechanistic to clinical applications.
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Affiliation(s)
- Maria Pilar Giner
- Nestle Research, EPFL Innovation Park, H, 1015 Lausanne, Switzerland; (M.P.G.); (S.C.); (S.B.); (C.C.)
| | - Stefan Christen
- Nestle Research, EPFL Innovation Park, H, 1015 Lausanne, Switzerland; (M.P.G.); (S.C.); (S.B.); (C.C.)
| | - Simona Bartova
- Nestle Research, EPFL Innovation Park, H, 1015 Lausanne, Switzerland; (M.P.G.); (S.C.); (S.B.); (C.C.)
| | - Mikhail V. Makarov
- Mitchell Cancer Institute, University of South Alabama, 1660 Springhill Avenue, Mobile, AL 36604, USA; (M.V.M.); (M.E.M.)
- Olon Ricerca Bioscience, 7528 Auburn Road, Concord, OH 44077, USA
| | - Marie E. Migaud
- Mitchell Cancer Institute, University of South Alabama, 1660 Springhill Avenue, Mobile, AL 36604, USA; (M.V.M.); (M.E.M.)
| | - Carles Canto
- Nestle Research, EPFL Innovation Park, H, 1015 Lausanne, Switzerland; (M.P.G.); (S.C.); (S.B.); (C.C.)
| | - Sofia Moco
- Nestle Research, EPFL Innovation Park, H, 1015 Lausanne, Switzerland; (M.P.G.); (S.C.); (S.B.); (C.C.)
- Division of Molecular and Computational Toxicology, Department of Chemistry and Pharmaceutical Sciences, Amsterdam Institute for Molecular and Life Sciences, Vrije Universiteit Amsterdam, De Boelelaan 1108, 1081 HZ Amsterdam, The Netherlands
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7
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Enzymatic and Chemical Syntheses of Vacor Analogs of Nicotinamide Riboside, NMN and NAD. Biomolecules 2021; 11:biom11071044. [PMID: 34356669 PMCID: PMC8301822 DOI: 10.3390/biom11071044] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2021] [Revised: 07/05/2021] [Accepted: 07/07/2021] [Indexed: 01/15/2023] Open
Abstract
It has recently been demonstrated that the rat poison vacor interferes with mammalian NAD metabolism, because it acts as a nicotinamide analog and is converted by enzymes of the NAD salvage pathway. Thereby, vacor is transformed into the NAD analog vacor adenine dinucleotide (VAD), a molecule that causes cell toxicity. Therefore, vacor may potentially be exploited to kill cancer cells. In this study, we have developed efficient enzymatic and chemical procedures to produce vacor analogs of NAD and nicotinamide riboside (NR). VAD was readily generated by a base-exchange reaction, replacing the nicotinamide moiety of NAD by vacor, catalyzed by Aplysia californica ADP ribosyl cyclase. Additionally, we present the chemical synthesis of the nucleoside version of vacor, vacor riboside (VR). Similar to the physiological NAD precursor, NR, VR was converted to the corresponding mononucleotide (VMN) by nicotinamide riboside kinases (NRKs). This conversion is quantitative and very efficient. Consequently, phosphorylation of VR by NRKs represents a valuable alternative to produce the vacor analog of NMN, compared to its generation from vacor by nicotinamide phosphoribosyltransferase (NamPT).
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8
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Makarov MV, Hayat F, Graves B, Sonavane M, Salter EA, Wierzbicki A, Gassman NR, Migaud ME. Chemical and Biochemical Reactivity of the Reduced Forms of Nicotinamide Riboside. ACS Chem Biol 2021; 16:604-614. [PMID: 33784074 DOI: 10.1021/acschembio.0c00757] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
All life forms require nicotinamide adenine dinucleotide, NAD+, and its reduced form NADH. They are redox partners in hundreds of cellular enzymatic reactions. Changes in the intracellular levels of total NAD (NAD+ + NADH) and the (NAD+/NADH) ratio can cause cellular dysfunction. When not present in protein complexes, NADH and its phosphorylated form NADPH degrade through intricate mechanisms. Replenishment of a declining total NAD pool can be achieved with biosynthetic precursors that include one of the reduced forms of nicotinamide riboside (NR+), NRH. NRH, like NADH and NADPH, is prone to degradation via oxidation, hydration, and isomerization and, as such, is an excellent model compound to rationalize the nonenzymatic metabolism of NAD(P)H in a biological context. Here, we report on the stability of NRH and its propensity to isomerize and irreversibly degrade. We also report the preparation of two of its naturally occurring isomers, their chemical stability, their reactivity toward NRH-processing enzymes, and their cell-specific cytotoxicity. Furthermore, we identify a mechanism by which NRH degradation causes covalent peptide modifications, a process that could expose a novel type of NADH-protein modifications and correlate NADH accumulation with "protein aging." This work highlights the current limitations in detecting NADH's endogenous catabolites and in establishing the capacity for inducing cellular dysfunction.
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9
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Kropotov A, Kulikova V, Nerinovski K, Yakimov A, Svetlova M, Solovjeva L, Sudnitsyna J, Migaud ME, Khodorkovskiy M, Ziegler M, Nikiforov A. Equilibrative Nucleoside Transporters Mediate the Import of Nicotinamide Riboside and Nicotinic Acid Riboside into Human Cells. Int J Mol Sci 2021; 22:ijms22031391. [PMID: 33573263 PMCID: PMC7866510 DOI: 10.3390/ijms22031391] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2020] [Revised: 01/24/2021] [Accepted: 01/27/2021] [Indexed: 01/02/2023] Open
Abstract
Nicotinamide riboside (NR), a new form of vitamin B3, is an effective precursor of nicotinamide adenine dinucleotide (NAD+) in human and animal cells. The introduction of NR into the body effectively increases the level of intracellular NAD+ and thereby restores physiological functions that are weakened or lost in experimental models of aging and various pathologies. Despite the active use of NR in applied biomedicine, the mechanism of its transport into mammalian cells is currently not understood. In this study, we used overexpression of proteins in HEK293 cells, and metabolite detection by NMR, to show that extracellular NR can be imported into cells by members of the equilibrative nucleoside transporter (ENT) family ENT1, ENT2, and ENT4. After being imported into cells, NR is readily metabolized resulting in Nam generation. Moreover, the same ENT-dependent mechanism can be used to import the deamidated form of NR, nicotinic acid riboside (NAR). However, NAR uptake into HEK293 cells required the stimulation of its active utilization in the cytosol such as phosphorylation by NR kinase. On the other hand, we did not detect any NR uptake mediated by the concentrative nucleoside transporters (CNT) CNT1, CNT2, or CNT3, while overexpression of CNT3, but not CNT1 or CNT2, moderately stimulated NAR utilization by HEK293 cells.
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Affiliation(s)
- Andrey Kropotov
- Institute of Cytology, Russian Academy of Sciences, St. Petersburg 194064, Russia; (A.K.); (V.K.); (M.S.); (L.S.); (M.K.)
| | - Veronika Kulikova
- Institute of Cytology, Russian Academy of Sciences, St. Petersburg 194064, Russia; (A.K.); (V.K.); (M.S.); (L.S.); (M.K.)
- Sechenov Institute of Evolutionary Physiology and Biochemistry, Russian Academy of Sciences, St. Petersburg 194223, Russia;
| | - Kirill Nerinovski
- Department of Nuclear Physics Research Methods, St. Petersburg State University, St. Petersburg 199034, Russia;
| | - Alexander Yakimov
- Peter the Great St. Petersburg Polytechnic University, St. Petersburg 195251, Russia;
| | - Maria Svetlova
- Institute of Cytology, Russian Academy of Sciences, St. Petersburg 194064, Russia; (A.K.); (V.K.); (M.S.); (L.S.); (M.K.)
| | - Ljudmila Solovjeva
- Institute of Cytology, Russian Academy of Sciences, St. Petersburg 194064, Russia; (A.K.); (V.K.); (M.S.); (L.S.); (M.K.)
| | - Julia Sudnitsyna
- Sechenov Institute of Evolutionary Physiology and Biochemistry, Russian Academy of Sciences, St. Petersburg 194223, Russia;
| | - Marie E. Migaud
- Mitchell Cancer Institute, University of South Alabama, Mobile, AL 36604, USA;
| | - Mikhail Khodorkovskiy
- Institute of Cytology, Russian Academy of Sciences, St. Petersburg 194064, Russia; (A.K.); (V.K.); (M.S.); (L.S.); (M.K.)
- Peter the Great St. Petersburg Polytechnic University, St. Petersburg 195251, Russia;
| | - Mathias Ziegler
- Department of Biomedicine, University of Bergen, 5020 Bergen, Norway;
| | - Andrey Nikiforov
- Institute of Cytology, Russian Academy of Sciences, St. Petersburg 194064, Russia; (A.K.); (V.K.); (M.S.); (L.S.); (M.K.)
- Correspondence: ; Tel.: +7-812-297-1829
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10
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Zarei A, Khazdooz L, Enayati M, Madarshahian S, Wooster TJ, Ufheil G, Abbaspourrad A. Dihydronicotinamide riboside: synthesis from nicotinamide riboside chloride, purification and stability studies. RSC Adv 2021; 11:21036-21047. [PMID: 35479370 PMCID: PMC9034155 DOI: 10.1039/d1ra02062e] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2021] [Accepted: 06/07/2021] [Indexed: 11/21/2022] Open
Abstract
In the present work, we describe an efficient method for scalable synthesis and purification of 1,4-dihydronicotinamide riboside (NRH) from commercially available nicotinamide riboside chloride (NRCl) and in the presence of sodium dithionate as a reducing agent. NRH is industrially relevant as the most effective, synthetic NAD+ precursor. We demonstrated that solid phase synthesis cannot be used for the reduction of NRCl to NRH in high yield, whereas a reduction reaction in water at room temperature under anaerobic conditions is shown to be very effective, reaching a 55% isolation yield. For the first time, by using common column chromatography, we were able to highly purify this sensitive bio-compound with good yield. A series of identifications and analyses including HPLC, NMR, LC-MS, FTIR, and UV-vis spectroscopy were performed on the purified sample, confirming the structure of NRH as well as its purity to be 96%. Thermal analysis of NRH showed higher thermal stability compared to NRCl, and with two major weight losses, one at 218 °C and another at 805 °C. We also investigated the long term stability effects of temperature, pH, light, and oxygen (as air) on the NRH in aqueous solutions. Our results show that NRH can be oxidized in the presence of oxygen, and it hydrolyzed quickly in acidic conditions. It was also found that the degradation rate is lower under a N2 atmosphere, at lower temperatures, and under basic pH conditions. A convenient and scalable method for synthesis of dihydronicotinamide riboside (NRH) from the commercially available nicotinamide riboside chloride (NRCl) is elaborated as well as a fast purification method that led to high purity NRH.![]()
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Affiliation(s)
- Amin Zarei
- Department of Food Science
- College of Agriculture and Life Sciences
- Cornell University
- Ithaca
- USA
| | - Leila Khazdooz
- Department of Food Science
- College of Agriculture and Life Sciences
- Cornell University
- Ithaca
- USA
| | - Mojtaba Enayati
- Department of Food Science
- College of Agriculture and Life Sciences
- Cornell University
- Ithaca
- USA
| | - Sara Madarshahian
- Department of Food Science
- College of Agriculture and Life Sciences
- Cornell University
- Ithaca
- USA
| | | | - Gerhard Ufheil
- Nestle Product Technology Center Bridgewater
- Nestle Nutrition R&D Inc
- Bridgewater
- USA
| | - Alireza Abbaspourrad
- Department of Food Science
- College of Agriculture and Life Sciences
- Cornell University
- Ithaca
- USA
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11
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Sonavane M, Hayat F, Makarov M, Migaud ME, Gassman NR. Dihydronicotinamide riboside promotes cell-specific cytotoxicity by tipping the balance between metabolic regulation and oxidative stress. PLoS One 2020; 15:e0242174. [PMID: 33166357 PMCID: PMC7652347 DOI: 10.1371/journal.pone.0242174] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2020] [Accepted: 10/27/2020] [Indexed: 01/17/2023] Open
Abstract
Nicotinamide adenine dinucleotide (NAD+), the essential cofactor derived from vitamin B3, is both a coenzyme in redox enzymatic processes and substrate in non-redox events; processes that are intimately implicated in all essential bioenergetics. A decrease in intracellular NAD+ levels is known to cause multiple metabolic complications and age-related disorders. One NAD+ precursor is dihydronicotinamide riboside (NRH), which increases NAD+ levels more potently in both cultured cells and mice than current supplementation strategies with nicotinamide riboside (NR), nicotinamide mononucleotide (NMN) or vitamin B3 (nicotinamide and niacin). However, the consequences of extreme boosts in NAD+ levels are not fully understood. Here, we demonstrate the cell-specific effects of acute NRH exposure in mammalian cells. Hepatocellular carcinoma (HepG3) cells show dose-dependent cytotoxicity when supplemented with 100–1000 μM NRH. Cytotoxicity was not observed in human embryonic kidney (HEK293T) cells over the same dose range of NRH. PUMA and BAX mediate the cell-specific cytotoxicity of NRH in HepG3. When supplementing HepG3 with 100 μM NRH, a significant increase in ROS was observed concurrent with changes in the NAD(P)H and GSH/GSSG pools. NRH altered mitochondrial membrane potential, increased mitochondrial superoxide formation, and induced mitochondrial DNA damage in those cells. NRH also caused metabolic dysregulation, altering mitochondrial respiration. Altogether, we demonstrated the detrimental consequences of an extreme boost of the total NAD (NAD+ + NADH) pool through NRH supplementation in HepG3. The cell-specific effects are likely mediated through the different metabolic fate of NRH in these cells, which warrants further study in other systemic models.
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Affiliation(s)
- Manoj Sonavane
- Department of Physiology and Cell Biology, University of South Alabama College of Medicine, Mobile, AL, United States of America
- University of South Alabama Mitchell Cancer Institute, Mobile, Alabama, United States of America
| | - Faisal Hayat
- University of South Alabama Mitchell Cancer Institute, Mobile, Alabama, United States of America
- Department of Pharmacology, University of South Alabama College of Medicine, Mobile, AL, United States of America
| | - Mikhail Makarov
- University of South Alabama Mitchell Cancer Institute, Mobile, Alabama, United States of America
- Department of Pharmacology, University of South Alabama College of Medicine, Mobile, AL, United States of America
| | - Marie E. Migaud
- University of South Alabama Mitchell Cancer Institute, Mobile, Alabama, United States of America
- Department of Pharmacology, University of South Alabama College of Medicine, Mobile, AL, United States of America
| | - Natalie R. Gassman
- Department of Physiology and Cell Biology, University of South Alabama College of Medicine, Mobile, AL, United States of America
- University of South Alabama Mitchell Cancer Institute, Mobile, Alabama, United States of America
- * E-mail:
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12
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Hayat F, Migaud ME. Nicotinamide riboside-amino acid conjugates that are stable to purine nucleoside phosphorylase. Org Biomol Chem 2020; 18:2877-2885. [PMID: 32236231 PMCID: PMC7953427 DOI: 10.1039/d0ob00134a] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The nutraceutical Nicotinamide Riboside (NR), an efficacious biosynthetic precursor to NAD, is readily metabolized by the purine nucleoside phosphorylase (PNP). Access to the PNP-stable versions of NR is difficult because the glycosidic bond of NR is easily cleaved. Unlike NR, NRH, the reduced form of NR, offers sufficient chemical stability to allow the successful functionalisation of the ribosyl-moiety. Here, we report on a series of NRH and NR derived amino acid conjugates, generated in good to excellent yields and show that O5'-esterification prevents the PNP-catalyzed phosphorolysis of these NR prodrugs.
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Affiliation(s)
- Faisal Hayat
- Mitchell Cancer Institute, Department of Pharmacology, University of South Alabama, 1660 Springhill Avenue, Mobile, AL 36693, USA.
| | - Marie E Migaud
- Mitchell Cancer Institute, Department of Pharmacology, University of South Alabama, 1660 Springhill Avenue, Mobile, AL 36693, USA.
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13
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Kulikova V, Shabalin K, Nerinovski K, Yakimov A, Svetlova M, Solovjeva L, Kropotov A, Khodorkovskiy M, Migaud ME, Ziegler M, Nikiforov A. Degradation of Extracellular NAD + Intermediates in Cultures of Human HEK293 Cells. Metabolites 2019; 9:E293. [PMID: 31795381 PMCID: PMC6950141 DOI: 10.3390/metabo9120293] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2019] [Revised: 11/22/2019] [Accepted: 11/27/2019] [Indexed: 01/06/2023] Open
Abstract
Nicotinamide adenine dinucleotide (NAD) is an essential redox carrier, whereas its degradation is a key element of important signaling pathways. Human cells replenish their NAD contents through NAD biosynthesis from extracellular precursors. These precursors encompass bases nicotinamide (Nam) and nicotinic acid and their corresponding nucleosides nicotinamide riboside (NR) and nicotinic acid riboside (NAR), now collectively referred to as vitamin B3. In addition, extracellular NAD+ and nicotinamide mononucleotide (NMN), and potentially their deamidated counterparts, nicotinic acid adenine dinucleotide (NAAD) and nicotinic acid mononucleotide (NAMN), may serve as precursors of intracellular NAD. However, it is still debated whether nucleotides enter cells directly or whether they are converted to nucleosides and bases prior to uptake into cells. Here, we studied the metabolism of extracellular NAD+ and its derivatives in human HEK293 cells using normal and serum-free culture medium. Using medium containing 10% fetal bovine serum (FBS), mono- and dinucleotides were degraded to the corresponding nucleosides. In turn, the nucleosides were cleaved to their corresponding bases. Degradation was also observed in culture medium alone, in the absence of cells, indicating that FBS contains enzymatic activities which degrade NAD+ intermediates. Surprisingly, NR was also rather efficiently hydrolyzed to Nam in the absence of FBS. When cultivated in serum-free medium, HEK293 cells efficiently cleaved NAD+ and NAAD to NMN and NAMN. NMN exhibited rather high stability in cell culture, but was partially metabolized to NR. Using pharmacological inhibitors of plasma membrane transporters, we also showed that extracellular cleavage of NAD+ and NMN to NR is a prerequisite for using these nucleotides to maintain intracellular NAD contents. We also present evidence that, besides spontaneous hydrolysis, NR is intensively metabolized in cell culture by intracellular conversion to Nam. Our results demonstrate that both the cultured cells and the culture medium mediate a rather active conversion of NAD+ intermediates. Consequently, in studies of precursor supplementation and uptake, the culture conditions need to be carefully defined.
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Affiliation(s)
- Veronika Kulikova
- Institute of Cytology, Russian Academy of Sciences, St. Petersburg 194064, Russia; (V.K.); (M.S.); (L.S.); (A.K.)
- Peter the Great St. Petersburg Polytechnic University, St. Petersburg 195251, Russia; (A.Y.); (M.K.)
- Sechenov Institute of Evolutionary Physiology and Biochemistry, Russian Academy of Sciences, St. Petersburg 194223, Russia
| | - Konstantin Shabalin
- Petersburg Nuclear Physics Institute Named by B.P. Konstantinov of National Research Centre “Kurchatov Institute”, Gatchina 188300, Russia;
| | - Kirill Nerinovski
- Department of Nuclear Physics Research Methods, St. Petersburg State University, St. Petersburg 199034, Russia;
| | - Alexander Yakimov
- Peter the Great St. Petersburg Polytechnic University, St. Petersburg 195251, Russia; (A.Y.); (M.K.)
- Petersburg Nuclear Physics Institute Named by B.P. Konstantinov of National Research Centre “Kurchatov Institute”, Gatchina 188300, Russia;
| | - Maria Svetlova
- Institute of Cytology, Russian Academy of Sciences, St. Petersburg 194064, Russia; (V.K.); (M.S.); (L.S.); (A.K.)
| | - Ljudmila Solovjeva
- Institute of Cytology, Russian Academy of Sciences, St. Petersburg 194064, Russia; (V.K.); (M.S.); (L.S.); (A.K.)
| | - Andrey Kropotov
- Institute of Cytology, Russian Academy of Sciences, St. Petersburg 194064, Russia; (V.K.); (M.S.); (L.S.); (A.K.)
| | - Mikhail Khodorkovskiy
- Peter the Great St. Petersburg Polytechnic University, St. Petersburg 195251, Russia; (A.Y.); (M.K.)
| | - Marie E. Migaud
- Mitchell Cancer Institute, University of South Alabama, Mobile, AL 36604, USA;
| | - Mathias Ziegler
- Department of Biomedicine, University of Bergen, 5020 Bergen, Norway;
| | - Andrey Nikiforov
- Institute of Cytology, Russian Academy of Sciences, St. Petersburg 194064, Russia; (V.K.); (M.S.); (L.S.); (A.K.)
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