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Barritt SA, DuBois-Coyne SE, Dibble CC. Coenzyme A biosynthesis: mechanisms of regulation, function and disease. Nat Metab 2024; 6:1008-1023. [PMID: 38871981 DOI: 10.1038/s42255-024-01059-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/19/2023] [Accepted: 04/30/2024] [Indexed: 06/15/2024]
Abstract
The tricarboxylic acid cycle, nutrient oxidation, histone acetylation and synthesis of lipids, glycans and haem all require the cofactor coenzyme A (CoA). Although the sources and regulation of the acyl groups carried by CoA for these processes are heavily studied, a key underlying question is less often considered: how is production of CoA itself controlled? Here, we discuss the many cellular roles of CoA and the regulatory mechanisms that govern its biosynthesis from cysteine, ATP and the essential nutrient pantothenate (vitamin B5), or from salvaged precursors in mammals. Metabolite feedback and signalling mechanisms involving acetyl-CoA, other acyl-CoAs, acyl-carnitines, MYC, p53, PPARα, PINK1 and insulin- and growth factor-stimulated PI3K-AKT signalling regulate the vitamin B5 transporter SLC5A6/SMVT and CoA biosynthesis enzymes PANK1, PANK2, PANK3, PANK4 and COASY. We also discuss methods for measuring CoA-related metabolites, compounds that target CoA biosynthesis and diseases caused by mutations in pathway enzymes including types of cataracts, cardiomyopathy and neurodegeneration (PKAN and COPAN).
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Affiliation(s)
- Samuel A Barritt
- Department of Pathology, Cancer Research Institute, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
| | - Sarah E DuBois-Coyne
- Department of Medicine, Department of Biological Chemistry and Molecular Pharmacology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Christian C Dibble
- Department of Pathology, Cancer Research Institute, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA.
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2
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Babcock SJ, Houten SM, Gillingham MB. A review of fatty acid oxidation disorder mouse models. Mol Genet Metab 2024; 142:108351. [PMID: 38430613 PMCID: PMC11073919 DOI: 10.1016/j.ymgme.2024.108351] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/22/2023] [Revised: 02/20/2024] [Accepted: 02/21/2024] [Indexed: 03/05/2024]
Abstract
Fatty acid oxidation disorders (FAODs) are a family of rare, genetic disorders that affect any part of the fatty acid oxidation pathway. Patients present with severe phenotypes, such as hypoketotic hypoglycemia, cardiomyopathy, and rhabdomyolysis, and currently manage these symptoms by the avoidance of fasting and maintaining a low-fat, high-carbohydrate diet. Because knowledge about FAODs is limited due to the small number of patients, rodent models have been crucial in learning more about these disorders, particularly in studying the molecular mechanisms involved in different phenotypes and in evaluating treatments for patients. The purpose of this review is to present the different FAOD mouse models and highlight the benefits and limitations of using these models. Specifically, we discuss the phenotypes of the available FAOD mouse models, the potential molecular causes of prominent FAOD phenotypes that have been studied using FAOD mouse models, and how FAOD mouse models have been used to evaluate treatments for patients.
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Affiliation(s)
- Shannon J Babcock
- Department of Molecular and Medical Genetics, Oregon Health and Science University, Portland, OR, USA.
| | - Sander M Houten
- Deparment of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Melanie B Gillingham
- Department of Molecular and Medical Genetics, Oregon Health and Science University, Portland, OR, USA
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3
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Subramanian C, Frank MW, Sukhun R, Henry CE, Wade A, Harden ME, Rao S, Tangallapally R, Yun MK, White SW, Lee RE, Sinha U, Rock CO, Jackowski S. Pantothenate Kinase Activation Restores Brain Coenzyme A in a Mouse Model of Pantothenate Kinase-Associated Neurodegeneration. J Pharmacol Exp Ther 2024; 388:171-180. [PMID: 37875310 DOI: 10.1124/jpet.123.001919] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2023] [Accepted: 09/28/2023] [Indexed: 10/26/2023] Open
Abstract
Pantothenate kinase-associated neurodegeneration (PKAN) is characterized by a motor disorder with combinations of dystonia, parkinsonism, and spasticity, leading to premature death. PKAN is caused by mutations in the PANK2 gene that result in loss or reduction of PANK2 protein function. PANK2 is one of three kinases that initiate and regulate coenzyme A biosynthesis from vitamin B5, and the ability of BBP-671, an allosteric activator of pantothenate kinases, to enter the brain and elevate coenzyme A was investigated. The metabolic stability, protein binding, and membrane permeability of BBP-671 all suggest that it has the physical properties required to cross the blood-brain barrier. BBP-671 was detected in plasma, liver, cerebrospinal fluid, and brain following oral administration in rodents, demonstrating the ability of BBP-671 to penetrate the brain. The pharmacokinetic and pharmacodynamic properties of orally administered BBP-671 evaluated in cannulated rats showed that coenzyme A (CoA) concentrations were elevated in blood, liver, and brain. BBP-671 elevation of whole-blood acetyl-CoA served as a peripheral pharmacodynamic marker and provided a suitable method to assess target engagement. BBP-671 treatment elevated brain coenzyme A concentrations and improved movement and body weight in a PKAN mouse model. Thus, BBP-671 crosses the blood-brain barrier to correct the brain CoA deficiency in a PKAN mouse model, resulting in improved locomotion and survival and providing a preclinical foundation for the development of BBP-671 as a potential treatment of PKAN. SIGNIFICANCE STATEMENT: The blood-brain barrier represents a major hurdle for drugs targeting brain metabolism. This work describes the pharmacokinetic/pharmacodynamic properties of BBP-671, a pantothenate kinase activator. BBP-671 crosses the blood-brain barrier to correct the neuron-specific coenzyme A (CoA) deficiency and improve motor function in a mouse model of pantothenate kinase-associated neurodegeneration. The central role of CoA and acetyl-CoA in intermediary metabolism suggests that pantothenate kinase activators may be useful in modifying neurological metabolic disorders.
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Affiliation(s)
- Chitra Subramanian
- Departments of Infectious Diseases (C.S., M.W.F., C.O.R., S.J.), Chemical Biology and Therapeutics (R.T., R.E.L.), Structural Biology (M.-K.Y., S.W.W.), and St. Jude Graduate School of Biomedical Sciences (S.W.W.), St. Jude Children's Research Hospital, Memphis, Tennessee; Department of Microbiology, Immunology, and Biochemistry, University of Tennessee Health Science Center, Memphis, Tennessee (S.W.W., C.O.R.); and CoA Therapeutics, Inc., a BridgeBio Pharma, Inc. Company, Palo Alto, California (R.S., C.E.H., A.W., M.E.H., S.R., U.S.)
| | - Matthew W Frank
- Departments of Infectious Diseases (C.S., M.W.F., C.O.R., S.J.), Chemical Biology and Therapeutics (R.T., R.E.L.), Structural Biology (M.-K.Y., S.W.W.), and St. Jude Graduate School of Biomedical Sciences (S.W.W.), St. Jude Children's Research Hospital, Memphis, Tennessee; Department of Microbiology, Immunology, and Biochemistry, University of Tennessee Health Science Center, Memphis, Tennessee (S.W.W., C.O.R.); and CoA Therapeutics, Inc., a BridgeBio Pharma, Inc. Company, Palo Alto, California (R.S., C.E.H., A.W., M.E.H., S.R., U.S.)
| | - Rajaa Sukhun
- Departments of Infectious Diseases (C.S., M.W.F., C.O.R., S.J.), Chemical Biology and Therapeutics (R.T., R.E.L.), Structural Biology (M.-K.Y., S.W.W.), and St. Jude Graduate School of Biomedical Sciences (S.W.W.), St. Jude Children's Research Hospital, Memphis, Tennessee; Department of Microbiology, Immunology, and Biochemistry, University of Tennessee Health Science Center, Memphis, Tennessee (S.W.W., C.O.R.); and CoA Therapeutics, Inc., a BridgeBio Pharma, Inc. Company, Palo Alto, California (R.S., C.E.H., A.W., M.E.H., S.R., U.S.)
| | - Christopher E Henry
- Departments of Infectious Diseases (C.S., M.W.F., C.O.R., S.J.), Chemical Biology and Therapeutics (R.T., R.E.L.), Structural Biology (M.-K.Y., S.W.W.), and St. Jude Graduate School of Biomedical Sciences (S.W.W.), St. Jude Children's Research Hospital, Memphis, Tennessee; Department of Microbiology, Immunology, and Biochemistry, University of Tennessee Health Science Center, Memphis, Tennessee (S.W.W., C.O.R.); and CoA Therapeutics, Inc., a BridgeBio Pharma, Inc. Company, Palo Alto, California (R.S., C.E.H., A.W., M.E.H., S.R., U.S.)
| | - Anna Wade
- Departments of Infectious Diseases (C.S., M.W.F., C.O.R., S.J.), Chemical Biology and Therapeutics (R.T., R.E.L.), Structural Biology (M.-K.Y., S.W.W.), and St. Jude Graduate School of Biomedical Sciences (S.W.W.), St. Jude Children's Research Hospital, Memphis, Tennessee; Department of Microbiology, Immunology, and Biochemistry, University of Tennessee Health Science Center, Memphis, Tennessee (S.W.W., C.O.R.); and CoA Therapeutics, Inc., a BridgeBio Pharma, Inc. Company, Palo Alto, California (R.S., C.E.H., A.W., M.E.H., S.R., U.S.)
| | - Mallory E Harden
- Departments of Infectious Diseases (C.S., M.W.F., C.O.R., S.J.), Chemical Biology and Therapeutics (R.T., R.E.L.), Structural Biology (M.-K.Y., S.W.W.), and St. Jude Graduate School of Biomedical Sciences (S.W.W.), St. Jude Children's Research Hospital, Memphis, Tennessee; Department of Microbiology, Immunology, and Biochemistry, University of Tennessee Health Science Center, Memphis, Tennessee (S.W.W., C.O.R.); and CoA Therapeutics, Inc., a BridgeBio Pharma, Inc. Company, Palo Alto, California (R.S., C.E.H., A.W., M.E.H., S.R., U.S.)
| | - Satish Rao
- Departments of Infectious Diseases (C.S., M.W.F., C.O.R., S.J.), Chemical Biology and Therapeutics (R.T., R.E.L.), Structural Biology (M.-K.Y., S.W.W.), and St. Jude Graduate School of Biomedical Sciences (S.W.W.), St. Jude Children's Research Hospital, Memphis, Tennessee; Department of Microbiology, Immunology, and Biochemistry, University of Tennessee Health Science Center, Memphis, Tennessee (S.W.W., C.O.R.); and CoA Therapeutics, Inc., a BridgeBio Pharma, Inc. Company, Palo Alto, California (R.S., C.E.H., A.W., M.E.H., S.R., U.S.)
| | - Rajendra Tangallapally
- Departments of Infectious Diseases (C.S., M.W.F., C.O.R., S.J.), Chemical Biology and Therapeutics (R.T., R.E.L.), Structural Biology (M.-K.Y., S.W.W.), and St. Jude Graduate School of Biomedical Sciences (S.W.W.), St. Jude Children's Research Hospital, Memphis, Tennessee; Department of Microbiology, Immunology, and Biochemistry, University of Tennessee Health Science Center, Memphis, Tennessee (S.W.W., C.O.R.); and CoA Therapeutics, Inc., a BridgeBio Pharma, Inc. Company, Palo Alto, California (R.S., C.E.H., A.W., M.E.H., S.R., U.S.)
| | - Mi-Kyung Yun
- Departments of Infectious Diseases (C.S., M.W.F., C.O.R., S.J.), Chemical Biology and Therapeutics (R.T., R.E.L.), Structural Biology (M.-K.Y., S.W.W.), and St. Jude Graduate School of Biomedical Sciences (S.W.W.), St. Jude Children's Research Hospital, Memphis, Tennessee; Department of Microbiology, Immunology, and Biochemistry, University of Tennessee Health Science Center, Memphis, Tennessee (S.W.W., C.O.R.); and CoA Therapeutics, Inc., a BridgeBio Pharma, Inc. Company, Palo Alto, California (R.S., C.E.H., A.W., M.E.H., S.R., U.S.)
| | - Stephen W White
- Departments of Infectious Diseases (C.S., M.W.F., C.O.R., S.J.), Chemical Biology and Therapeutics (R.T., R.E.L.), Structural Biology (M.-K.Y., S.W.W.), and St. Jude Graduate School of Biomedical Sciences (S.W.W.), St. Jude Children's Research Hospital, Memphis, Tennessee; Department of Microbiology, Immunology, and Biochemistry, University of Tennessee Health Science Center, Memphis, Tennessee (S.W.W., C.O.R.); and CoA Therapeutics, Inc., a BridgeBio Pharma, Inc. Company, Palo Alto, California (R.S., C.E.H., A.W., M.E.H., S.R., U.S.)
| | - Richard E Lee
- Departments of Infectious Diseases (C.S., M.W.F., C.O.R., S.J.), Chemical Biology and Therapeutics (R.T., R.E.L.), Structural Biology (M.-K.Y., S.W.W.), and St. Jude Graduate School of Biomedical Sciences (S.W.W.), St. Jude Children's Research Hospital, Memphis, Tennessee; Department of Microbiology, Immunology, and Biochemistry, University of Tennessee Health Science Center, Memphis, Tennessee (S.W.W., C.O.R.); and CoA Therapeutics, Inc., a BridgeBio Pharma, Inc. Company, Palo Alto, California (R.S., C.E.H., A.W., M.E.H., S.R., U.S.)
| | - Uma Sinha
- Departments of Infectious Diseases (C.S., M.W.F., C.O.R., S.J.), Chemical Biology and Therapeutics (R.T., R.E.L.), Structural Biology (M.-K.Y., S.W.W.), and St. Jude Graduate School of Biomedical Sciences (S.W.W.), St. Jude Children's Research Hospital, Memphis, Tennessee; Department of Microbiology, Immunology, and Biochemistry, University of Tennessee Health Science Center, Memphis, Tennessee (S.W.W., C.O.R.); and CoA Therapeutics, Inc., a BridgeBio Pharma, Inc. Company, Palo Alto, California (R.S., C.E.H., A.W., M.E.H., S.R., U.S.)
| | - Charles O Rock
- Departments of Infectious Diseases (C.S., M.W.F., C.O.R., S.J.), Chemical Biology and Therapeutics (R.T., R.E.L.), Structural Biology (M.-K.Y., S.W.W.), and St. Jude Graduate School of Biomedical Sciences (S.W.W.), St. Jude Children's Research Hospital, Memphis, Tennessee; Department of Microbiology, Immunology, and Biochemistry, University of Tennessee Health Science Center, Memphis, Tennessee (S.W.W., C.O.R.); and CoA Therapeutics, Inc., a BridgeBio Pharma, Inc. Company, Palo Alto, California (R.S., C.E.H., A.W., M.E.H., S.R., U.S.)
| | - Suzanne Jackowski
- Departments of Infectious Diseases (C.S., M.W.F., C.O.R., S.J.), Chemical Biology and Therapeutics (R.T., R.E.L.), Structural Biology (M.-K.Y., S.W.W.), and St. Jude Graduate School of Biomedical Sciences (S.W.W.), St. Jude Children's Research Hospital, Memphis, Tennessee; Department of Microbiology, Immunology, and Biochemistry, University of Tennessee Health Science Center, Memphis, Tennessee (S.W.W., C.O.R.); and CoA Therapeutics, Inc., a BridgeBio Pharma, Inc. Company, Palo Alto, California (R.S., C.E.H., A.W., M.E.H., S.R., U.S.)
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4
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Wiszpolska M, Lepiarczyk E, Maździarz MA, Paukszto Ł, Makowczenko KG, Lipka A, Łopieńska-Biernat E, Makowska K, Gonkowski S, Correia-de-Sá P, Majewska M. The Carcinogenic Potential of Bisphenol A in the Liver Based on Transcriptomic Studies. Cancers (Basel) 2023; 15:5014. [PMID: 37894381 PMCID: PMC10605469 DOI: 10.3390/cancers15205014] [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: 08/24/2023] [Revised: 10/10/2023] [Accepted: 10/13/2023] [Indexed: 10/29/2023] Open
Abstract
Bisphenol A (BPA) is an environmental toxin widely used in the production of polycarbonate plastics. A correlation exists between BPA tissue contamination and the occurrence of pathological conditions, including cancer. First-passage detoxification of high BPA amounts in the liver promotes hepatotoxicity and morphological alterations of this organ, but there is a lack of knowledge about the molecular mechanisms underlying these phenomena. This prompted us to investigate changes in the liver transcriptomics of 3-month-old female mice exposed to BPA (50 mg/kg) in drinking water for 3 months. Five female mice served as controls. The animals were euthanized, the livers were collected, and RNA was extracted to perform RNA-seq analysis. The multistep transcriptomic bioinformatics revealed 120 differentially expressed genes (DEGs) in the BPA-exposed samples. Gene Ontology (GO) annotations indicated that DEGs have been assigned to many biological processes, including "macromolecule modification" and "protein metabolic process". Several of the revealed DEGs have been linked to the pathogenesis of severe metabolic liver disorders and malignant tumors, in particular hepatocellular carcinoma. Data from this study suggest that BPA has a significant impact on gene expression in the liver, which is predictive of the carcinogenic potential of this compound in this organ.
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Affiliation(s)
- Marta Wiszpolska
- Department of Human Physiology and Pathophysiology, School of Medicine, University of Warmia and Mazury in Olsztyn, 10-082 Olsztyn, Poland
| | - Ewa Lepiarczyk
- Department of Human Physiology and Pathophysiology, School of Medicine, University of Warmia and Mazury in Olsztyn, 10-082 Olsztyn, Poland
| | - Mateusz A Maździarz
- Department of Botany and Nature Protection, Faculty of Biology and Biotechnology, University of Warmia and Mazury in Olsztyn, 10-727 Olsztyn, Poland
| | - Łukasz Paukszto
- Department of Botany and Nature Protection, Faculty of Biology and Biotechnology, University of Warmia and Mazury in Olsztyn, 10-727 Olsztyn, Poland
| | - Karol G Makowczenko
- Department of Reproductive Immunology and Pathology, Institute of Animal Reproduction and Food Research of PAS, 10-748 Olsztyn, Poland
| | - Aleksandra Lipka
- Institute of Oral Biology, Faculty of Dentistry, University of Oslo, 0372 Oslo, Norway
| | - Elżbieta Łopieńska-Biernat
- Department of Biochemistry, Faculty of Biology and Biotechnology, University of Warmia and Mazury in Olsztyn, 10-719 Olsztyn, Poland
| | - Krystyna Makowska
- Department of Clinical Diagnostics, Faculty of Veterinary Medicine, University of Warmia and Mazury in Olsztyn, 10-957 Olsztyn, Poland
| | - Sławomir Gonkowski
- Department of Clinical Physiology, Faculty of Veterinary Medicine, University of Warmia and Mazury in Olsztyn, 10-957 Olsztyn, Poland
| | - Paulo Correia-de-Sá
- Laboratório de Farmacologia e Neurobiologia, Center for Drug Discovery and Innovative Medicines (MedInUP), Instituto de Ciências Biomédicas de Abel Salazar, Universidade do Porto, 4050-313 Porto, Portugal
| | - Marta Majewska
- Department of Human Physiology and Pathophysiology, School of Medicine, University of Warmia and Mazury in Olsztyn, 10-082 Olsztyn, Poland
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Li X, Luo LL, Li RF, Chen CL, Sun M, Lin S. Pantothenate Kinase 4 Governs Lens Epithelial Fibrosis by Negatively Regulating Pyruvate Kinase M2-Related Glycolysis. Aging Dis 2023; 14:1834-1852. [PMID: 37196116 PMCID: PMC10529755 DOI: 10.14336/ad.2023.0216-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2023] [Accepted: 02/16/2023] [Indexed: 05/19/2023] Open
Abstract
Lens fibrosis is one of the leading causes of cataract in the elderly population. The primary energy substrate of the lens is glucose from the aqueous humor, and the transparency of mature lens epithelial cells (LECs) is dependent on glycolysis for ATP. Therefore, the deconstruction of reprogramming of glycolytic metabolism can contribute to further understanding of LEC epithelial-mesenchymal transition (EMT). In the present study, we found a novel pantothenate kinase 4 (PANK4)-related glycolytic mechanism that regulates LEC EMT. The PANK4 level was correlated with aging in cataract patients and mice. Loss of function of PANK4 significantly contributed to alleviating LEC EMT by upregulating pyruvate kinase M2 isozyme (PKM2), which was phosphorylated at Y105, thus switching oxidative phosphorylation to glycolysis. However, PKM2 regulation did not affect PANK4, demonstrating the downstream role of PKM2. Inhibition of PKM2 in Pank4-/- mice caused lens fibrosis, which supports the finding that the PANK4-PKM2 axis is required for LEC EMT. Glycolytic metabolism-governed hypoxia inducible factor (HIF) signaling is involved in PANK4-PKM2-related downstream signaling. However, HIF-1α elevation was independent of PKM2 (S37) but PKM2 (Y105) when PANK4 was deleted, which demonstrated that PKM2 and HIF-1α were not involved in a classic positive feedback loop. Collectively, these results indicate a PANK4-related glycolysis switch that may contribute to HIF-1 stabilization and PKM2 phosphorylation at Y105 and inhibit LEC EMT. The mechanism elucidation in our study may also shed light on fibrosis treatments for other organs.
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Affiliation(s)
- Xue Li
- Department of Ophthalmology, Daping Hospital, Army Medical Center of PLA, Army Medical University, Chongqing, China.
| | - Lin-Lin Luo
- Department of Ophthalmology, Daping Hospital, Army Medical Center of PLA, Army Medical University, Chongqing, China.
| | - Rui-Feng Li
- Department of Ophthalmology, Daping Hospital, Army Medical Center of PLA, Army Medical University, Chongqing, China.
| | - Chun-Lin Chen
- Department of Ophthalmology, Daping Hospital, Army Medical Center of PLA, Army Medical University, Chongqing, China.
| | - Min Sun
- Department of Ophthalmology, Daping Hospital, Army Medical Center of PLA, Army Medical University, Chongqing, China.
| | - Sen Lin
- Department of Neurology, Xinqiao Hospital, The Second Affiliated Hospital, Army Medical University, Chongqing, China.
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Miallot R, Millet V, Galland F, Naquet P. The vitamin B5/coenzyme A axis: A target for immunomodulation? Eur J Immunol 2023; 53:e2350435. [PMID: 37482959 DOI: 10.1002/eji.202350435] [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: 04/05/2023] [Revised: 07/10/2023] [Accepted: 07/11/2023] [Indexed: 07/25/2023]
Abstract
Coenzyme A (CoA) serves as a vital cofactor in numerous enzymatic reactions involved in energy production, lipid metabolism, and synthesis of essential molecules. Dysregulation of CoA-dependent metabolic pathways can contribute to chronic diseases, such as inflammatory diseases, obesity, diabetes, cancer, and cardiovascular disorders. Additionally, CoA influences immune cell activation by modulating the metabolism of these cells, thereby affecting their proliferation, differentiation, and effector functions. Targeting CoA metabolism presents a promising avenue for therapeutic intervention, as it can potentially restore metabolic balance, mitigate chronic inflammation, and enhance immune cell function. This might ultimately improve the management and outcomes for these diseases. This review will more specifically focus on the contribution of pathways regulating the availability of the CoA precursor Vitamin B5/pantothenate in vivo and modulating the development of Th17-mediated inflammation, CD8-dependent anti-tumor immunity but also tissue repair processes in chronic inflammatory or degenerative diseases.
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7
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Xue L, Schnacke P, Frei MS, Koch B, Hiblot J, Wombacher R, Fabritz S, Johnsson K. Probing coenzyme A homeostasis with semisynthetic biosensors. Nat Chem Biol 2023; 19:346-355. [PMID: 36316571 PMCID: PMC9974488 DOI: 10.1038/s41589-022-01172-7] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2022] [Accepted: 09/13/2022] [Indexed: 11/07/2022]
Abstract
Coenzyme A (CoA) is one of the central cofactors of metabolism, yet a method for measuring its concentration in living cells is missing. Here we introduce the first biosensor for measuring CoA levels in different organelles of mammalian cells. The semisynthetic biosensor is generated through the specific labeling of an engineered GFP-HaloTag fusion protein with a fluorescent ligand. Its readout is based on CoA-dependent changes in Förster resonance energy transfer efficiency between GFP and the fluorescent ligand. Using this biosensor, we probe the role of numerous proteins involved in CoA biosynthesis and transport in mammalian cells. On the basis of these studies, we propose a cellular map of CoA biosynthesis that suggests how pools of cytosolic and mitochondrial CoA are maintained.
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Affiliation(s)
- Lin Xue
- Department of Chemical Biology, Max Planck Institute for Medical Research, Heidelberg, Germany.
- MOE Key Laboratory for Cellular Dynamics, Hefei National Center for Physical Sciences at Microscale, University of Science and Technology of China, Hefei, China.
| | - Paul Schnacke
- Department of Chemical Biology, Max Planck Institute for Medical Research, Heidelberg, Germany
| | - Michelle S Frei
- Department of Chemical Biology, Max Planck Institute for Medical Research, Heidelberg, Germany
| | - Birgit Koch
- Department of Chemical Biology, Max Planck Institute for Medical Research, Heidelberg, Germany
| | - Julien Hiblot
- Department of Chemical Biology, Max Planck Institute for Medical Research, Heidelberg, Germany
| | - Richard Wombacher
- Department of Chemical Biology, Max Planck Institute for Medical Research, Heidelberg, Germany
| | - Sebastian Fabritz
- Department of Chemical Biology, Max Planck Institute for Medical Research, Heidelberg, Germany
| | - Kai Johnsson
- Department of Chemical Biology, Max Planck Institute for Medical Research, Heidelberg, Germany.
- Institute of Chemical Sciences and Engineering, École Polytechnique Fédérale de Lausanne, Lausanne, Switzerland.
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8
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Bacil GP, Romualdo GR, Piagge PMFD, Cardoso DR, Vinken M, Cogliati B, Barbisan LF. Unraveling Hepatic Metabolomic Profiles and Morphological Outcomes in a Hybrid Model of NASH in Different Mouse Strains. Antioxidants (Basel) 2023; 12:antiox12020290. [PMID: 36829849 PMCID: PMC9952348 DOI: 10.3390/antiox12020290] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2022] [Revised: 12/27/2022] [Accepted: 12/29/2022] [Indexed: 01/31/2023] Open
Abstract
Nonalcoholic fatty liver disease (NAFLD) encompasses nonalcoholic steatohepatitis (NASH) and affects 25% of the global population. Although a plethora of experimental models for studying NASH have been proposed, still scarce findings regarding the hepatic metabolomic/molecular profile. In the present study, we sought to unravel the hepatic metabolomic profile of mice subjected to a hybrid model of NASH, by combining a Western diet and carbon tetrachloride administration, for 8 weeks, in male C57BL/6J and BALB/c mice. In both mouse strains, the main traits of NASH-metabolic (glucose intolerance profile), morphologic (extensive microvesicular steatosis and fibrosis, lobular inflammation, and adipose tissue-related inflammation/hypertrophy), and molecular (impaired Nrf2/NF-κB pathway dynamics and altered metabolomic profile)-were observed. The hepatic metabolomic profile revealed that the hybrid protocol impaired, in both strains, the abundance of branched chain-aromatic amino acids, carboxylic acids, and glycosyl compounds, that might be linked to the Nrf2 pathway activation. Moreover, we observed a strain-dependent hepatic metabolomic signature, in which the tricarboxylic acid metabolites and pyruvate metabolism were dissimilarly modulated in C57BL/6J and BALB/c mice. Thus, we provide evidence that the strain-dependent hepatic metabolomic profile might be linked to the distinct underlying mechanisms of NASH, also prospecting potential mechanistic insights into the corresponding disease.
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Affiliation(s)
- Gabriel P. Bacil
- Department of Pathology, Botucatu Medical School (FMB), São Paulo State University (UNESP), Botucatu 18618-689, Brazil
| | - Guilherme R. Romualdo
- Department of Pathology, Botucatu Medical School (FMB), São Paulo State University (UNESP), Botucatu 18618-689, Brazil
- Department of Structural and Functional Biology, Biosciences Institute, São Paulo State University (UNESP), Botucatu 18618-689, Brazil
| | - Priscila M. F. D. Piagge
- Department of Chemistry and Molecular Physics, São Carlos Institute of Chemistry (IQSC), University of São Paulo (USP), São Carlos 13566-590, Brazil
| | - Daniel R. Cardoso
- Department of Chemistry and Molecular Physics, São Carlos Institute of Chemistry (IQSC), University of São Paulo (USP), São Carlos 13566-590, Brazil
| | - Mathieu Vinken
- Department of Pharmaceutical and Pharmacological Sciences, University of Vrije, 1090 Brussel, Belgium
| | - Bruno Cogliati
- Department of Pathology, School of Veterinary Medicine and Animal Science, University of São Paulo (USP), São Paulo 05508-270, Brazil
| | - Luís F. Barbisan
- Department of Structural and Functional Biology, Biosciences Institute, São Paulo State University (UNESP), Botucatu 18618-689, Brazil
- Correspondence: ; Tel.: +55-14-3880-0469
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9
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Subramanian C, Frank MW, Tangallapally R, Yun MK, White SW, Lee RE, Rock CO, Jackowski S. Relief of CoA sequestration and restoration of mitochondrial function in a mouse model of propionic acidemia. J Inherit Metab Dis 2023; 46:28-42. [PMID: 36251252 PMCID: PMC10092110 DOI: 10.1002/jimd.12570] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/17/2022] [Revised: 10/06/2022] [Accepted: 10/10/2022] [Indexed: 01/19/2023]
Abstract
Propionic acidemia (PA, OMIM 606054) is a devastating inborn error of metabolism arising from mutations that reduce the activity of the mitochondrial enzyme propionyl-CoA carboxylase (PCC). The defects in PCC reduce the concentrations of nonesterified coenzyme A (CoASH), thus compromising mitochondrial function and disrupting intermediary metabolism. Here, we use a hypomorphic PA mouse model to test the effectiveness of BBP-671 in correcting the metabolic imbalances in PA. BBP-671 is a high-affinity allosteric pantothenate kinase activator that counteracts feedback inhibition of the enzyme to increase the intracellular concentration of CoA. Liver CoASH and acetyl-CoA are depressed in PA mice and BBP-671 treatment normalizes the cellular concentrations of these two key cofactors. Hepatic propionyl-CoA is also reduced by BBP-671 leading to an improved intracellular C3:C2-CoA ratio. Elevated plasma C3:C2-carnitine ratio and methylcitrate, hallmark biomarkers of PA, are significantly reduced by BBP-671. The large elevations of malate and α-ketoglutarate in the urine of PA mice are biomarkers for compromised tricarboxylic acid cycle activity and BBP-671 therapy reduces the amounts of both metabolites. Furthermore, the low survival of PA mice is restored to normal by BBP-671. These data show that BBP-671 relieves CoA sequestration, improves mitochondrial function, reduces plasma PA biomarkers, and extends the lifespan of PA mice, providing the preclinical foundation for the therapeutic potential of BBP-671.
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Affiliation(s)
- Chitra Subramanian
- Department of Infectious Diseases, St. Jude Children's Research Hospital, Memphis, Tennessee, United States
| | - Matthew W Frank
- Department of Infectious Diseases, St. Jude Children's Research Hospital, Memphis, Tennessee, United States
| | - Rajendra Tangallapally
- Department of Chemical Biology and Therapeutics, St. Jude Children's Research Hospital, Memphis, Tennessee, United States
| | - Mi-Kyung Yun
- Department of Structural Biology, St. Jude Children's Research Hospital, Memphis, Tennessee, United States
| | - Stephen W White
- Department of Structural Biology, St. Jude Children's Research Hospital, Memphis, Tennessee, United States
- St. Jude Graduate School of Biomedical Sciences, St. Jude Children's Research Hospital, Memphis, Tennessee, United States
- Department of Microbiology, Immunology and Biochemistry, University of Tennessee Health Science Center, Memphis, Tennessee, United States
| | - Richard E Lee
- Department of Chemical Biology and Therapeutics, St. Jude Children's Research Hospital, Memphis, Tennessee, United States
| | - Charles O Rock
- Department of Infectious Diseases, St. Jude Children's Research Hospital, Memphis, Tennessee, United States
- Department of Microbiology, Immunology and Biochemistry, University of Tennessee Health Science Center, Memphis, Tennessee, United States
| | - Suzanne Jackowski
- Department of Infectious Diseases, St. Jude Children's Research Hospital, Memphis, Tennessee, United States
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10
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Azithromycin promotes relapse by disrupting immune and metabolic networks after allogeneic stem cell transplantation. Blood 2022; 140:2500-2513. [PMID: 35984904 DOI: 10.1182/blood.2022016926] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2022] [Revised: 07/28/2022] [Accepted: 08/16/2022] [Indexed: 12/13/2022] Open
Abstract
Administration of azithromycin after allogeneic hematopoietic stem cell transplantation for hematologic malignancies has been associated with relapse in a randomized phase 3 controlled clinical trial. Studying 240 samples from patients randomized in this trial is a unique opportunity to better understand the mechanisms underlying relapse, the first cause of mortality after transplantation. We used multi-omics on patients' samples to decipher immune alterations associated with azithromycin intake and post-transplantation relapsed malignancies. Azithromycin was associated with a network of altered energy metabolism pathways and immune subsets, including T cells biased toward immunomodulatory and exhausted profiles. In vitro, azithromycin exposure inhibited T-cell cytotoxicity against tumor cells and impaired T-cell metabolism through glycolysis inhibition, down-regulation of mitochondrial genes, and up-regulation of immunomodulatory genes, notably SOCS1. These results highlight that azithromycin directly affects immune cells that favor relapse, which raises caution about long-term use of azithromycin treatment in patients at high risk of malignancies. The ALLOZITHRO trial was registered at www.clinicaltrials.gov as #NCT01959100.
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11
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Hayflick SJ, Jeong SY, Sibon OCM. PKAN pathogenesis and treatment. Mol Genet Metab 2022; 137:283-291. [PMID: 36240582 PMCID: PMC9970616 DOI: 10.1016/j.ymgme.2022.09.011] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/17/2022] [Revised: 09/28/2022] [Accepted: 09/30/2022] [Indexed: 11/30/2022]
Abstract
Studies aimed at supporting different treatment approaches for pantothenate kinase-associated neurodegeneration (PKAN) have revealed the complexity of coenzyme A (CoA) metabolism and the limits of our current knowledge about disease pathogenesis. Here we offer a foundation for critically evaluating the myriad approaches, argue for the importance of unbiased disease models, and highlight some of the outstanding questions that are central to our understanding and treating PKAN.
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Affiliation(s)
- Susan J Hayflick
- Departments of Molecular & Medical Genetics, Pediatrics, and Neurology, Oregon Health & Science University, Portland, OR 97239, USA.
| | - Suh Young Jeong
- Department of Molecular & Medical Genetics, Oregon Health & Science University, Portland, OR 97239, USA
| | - Ody C M Sibon
- Department of Biomedical Sciences of Cells and Systems, University Medical Center Groningen, University of Groningen, 9713 AV, the Netherlands
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12
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Thiophosphate Analogs of Coenzyme A and Its Precursors—Synthesis, Stability, and Biomimetic Potential. Biomolecules 2022; 12:biom12081065. [PMID: 36008959 PMCID: PMC9405834 DOI: 10.3390/biom12081065] [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: 06/28/2022] [Revised: 07/28/2022] [Accepted: 07/29/2022] [Indexed: 02/05/2023] Open
Abstract
Coenzyme A (CoA) is ubiquitous and essential for key cellular processes in any living organism. Primary degradation of CoA occurs by enzyme-mediated pyrophosphate hydrolysis intracellularly and extracellularly to form adenosine 3’,5’-diphosphate and 4’-phosphopantetheine (PPanSH). The latter can be recycled for intracellular synthesis of CoA. Impairments in the CoA biosynthetic pathway are linked to a severe form of neurodegeneration with brain iron accumulation for which no disease-modifying therapy is available. Currently, exogenous administration of PPanSH is examined as a therapeutic intervention. Here, we describe biosynthetic access to thiophosphate analogs of PPanSH, 3′-dephospho-CoA, and CoA. The stabilizing effect of thiophosphate modifications toward degradation by extracellular and peroxisomal enzymes was studied in vitro. Experiments in a CoA-deficient cell model suggest a biomimetic potential of the PPanSH thiophosphate analog PSPanSH (C1). According to our findings, the administration of PSPanSH may provide an alternative approach to support intracellular CoA-dependent pathways.
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13
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Dibble CC, Barritt SA, Perry GE, Lien EC, Geck RC, DuBois-Coyne SE, Bartee D, Zengeya TT, Cohen EB, Yuan M, Hopkins BD, Meier JL, Clohessy JG, Asara JM, Cantley LC, Toker A. PI3K drives the de novo synthesis of coenzyme A from vitamin B5. Nature 2022; 608:192-198. [PMID: 35896750 PMCID: PMC9352595 DOI: 10.1038/s41586-022-04984-8] [Citation(s) in RCA: 33] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2021] [Accepted: 06/16/2022] [Indexed: 12/18/2022]
Abstract
In response to hormones and growth factors, the class I phosphoinositide-3-kinase (PI3K) signalling network functions as a major regulator of metabolism and growth, governing cellular nutrient uptake, energy generation, reducing cofactor production and macromolecule biosynthesis1. Many of the driver mutations in cancer with the highest recurrence, including in receptor tyrosine kinases, Ras, PTEN and PI3K, pathologically activate PI3K signalling2,3. However, our understanding of the core metabolic program controlled by PI3K is almost certainly incomplete. Here, using mass-spectrometry-based metabolomics and isotope tracing, we show that PI3K signalling stimulates the de novo synthesis of one of the most pivotal metabolic cofactors: coenzyme A (CoA). CoA is the major carrier of activated acyl groups in cells4,5 and is synthesized from cysteine, ATP and the essential nutrient vitamin B5 (also known as pantothenate)6,7. We identify pantothenate kinase 2 (PANK2) and PANK4 as substrates of the PI3K effector kinase AKT8. Although PANK2 is known to catalyse the rate-determining first step of CoA synthesis, we find that the minimally characterized but highly conserved PANK49 is a rate-limiting suppressor of CoA synthesis through its metabolite phosphatase activity. Phosphorylation of PANK4 by AKT relieves this suppression. Ultimately, the PI3K–PANK4 axis regulates the abundance of acetyl-CoA and other acyl-CoAs, CoA-dependent processes such as lipid metabolism and proliferation. We propose that these regulatory mechanisms coordinate cellular CoA supplies with the demands of hormone/growth-factor-driven or oncogene-driven metabolism and growth. The PI3K–PANK4 axis regulates coenzyme A synthesis, the abundance of acetyl-CoA, and CoA-dependent processes such as lipid metabolism, and these regulatory mechanisms coordinate cellular CoA supplies with the demands of hormone and growth-factor-driven or oncogene-driven metabolism and growth.
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Affiliation(s)
- Christian C Dibble
- Department of Pathology, Cancer Research Institute, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA.
| | - Samuel A Barritt
- Department of Pathology, Cancer Research Institute, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
| | - Grace E Perry
- Department of Pathology, Cancer Research Institute, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
| | - Evan C Lien
- Department of Pathology, Cancer Research Institute, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
| | - Renee C Geck
- Department of Pathology, Cancer Research Institute, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
| | - Sarah E DuBois-Coyne
- Department of Pathology, Cancer Research Institute, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
| | - David Bartee
- Chemical Biology Laboratory, National Cancer Institute, Frederick, MD, USA
| | - Thomas T Zengeya
- Chemical Biology Laboratory, National Cancer Institute, Frederick, MD, USA
| | - Emily B Cohen
- Department of Pathology, Cancer Research Institute, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
| | - Min Yuan
- Mass Spectrometry Core, Department of Medicine, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
| | - Benjamin D Hopkins
- Department of Genetics and Genomic Sciences, Tisch Cancer Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Jordan L Meier
- Chemical Biology Laboratory, National Cancer Institute, Frederick, MD, USA
| | - John G Clohessy
- Preclinical Murine Pharmacogenetics Facility and Mouse Hospital, Department of Medicine, Beth Israel Deaconess Medical Center, Boston, MA, USA
| | - John M Asara
- Mass Spectrometry Core, Department of Medicine, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
| | - Lewis C Cantley
- The Sandra and Edward Meyer Cancer Center, Weill Medical College of Cornell University, New York, NY, USA
| | - Alex Toker
- Department of Pathology, Cancer Research Institute, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA. .,Ludwig Center at Harvard, Harvard Medical School, Boston, MA, USA.
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14
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Coenzyme A precursors flow from mother to zygote and from microbiome to host. Mol Cell 2022; 82:2650-2665.e12. [PMID: 35662397 DOI: 10.1016/j.molcel.2022.05.006] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2021] [Revised: 02/09/2022] [Accepted: 05/05/2022] [Indexed: 01/01/2023]
Abstract
Coenzyme A (CoA) is essential for metabolism and protein acetylation. Current knowledge holds that each cell obtains CoA exclusively through biosynthesis via the canonical five-step pathway, starting with pantothenate uptake. However, recent studies have suggested the presence of additional CoA-generating mechanisms, indicating a more complex system for CoA homeostasis. Here, we uncovered pathways for CoA generation through inter-organismal flows of CoA precursors. Using traceable compounds and fruit flies with a genetic block in CoA biosynthesis, we demonstrate that progeny survive embryonal and early larval development by obtaining CoA precursors from maternal sources. Later in life, the microbiome can provide the essential CoA building blocks to the host, enabling continuation of normal development. A flow of stable, long-lasting CoA precursors between living organisms is revealed. This indicates the presence of complex strategies to maintain CoA homeostasis.
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15
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de Vries LE, Jansen PAM, Barcelo C, Munro J, Verhoef JMJ, Pasaje CFA, Rubiano K, Striepen J, Abla N, Berning L, Bolscher JM, Demarta-Gatsi C, Henderson RWM, Huijs T, Koolen KMJ, Tumwebaze PK, Yeo T, Aguiar ACC, Angulo-Barturen I, Churchyard A, Baum J, Fernández BC, Fuchs A, Gamo FJ, Guido RVC, Jiménez-Diaz MB, Pereira DB, Rochford R, Roesch C, Sanz LM, Trevitt G, Witkowski B, Wittlin S, Cooper RA, Rosenthal PJ, Sauerwein RW, Schalkwijk J, Hermkens PHH, Bonnert RV, Campo B, Fidock DA, Llinás M, Niles JC, Kooij TWA, Dechering KJ. Preclinical characterization and target validation of the antimalarial pantothenamide MMV693183. Nat Commun 2022; 13:2158. [PMID: 35444200 PMCID: PMC9021288 DOI: 10.1038/s41467-022-29688-5] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2021] [Accepted: 03/09/2022] [Indexed: 12/14/2022] Open
Abstract
Drug resistance and a dire lack of transmission-blocking antimalarials hamper malaria elimination. Here, we present the pantothenamide MMV693183 as a first-in-class acetyl-CoA synthetase (AcAS) inhibitor to enter preclinical development. Our studies demonstrate attractive drug-like properties and in vivo efficacy in a humanized mouse model of Plasmodium falciparum infection. The compound shows single digit nanomolar in vitro activity against P. falciparum and P. vivax clinical isolates, and potently blocks P. falciparum transmission to Anopheles mosquitoes. Genetic and biochemical studies identify AcAS as the target of the MMV693183-derived antimetabolite, CoA-MMV693183. Pharmacokinetic-pharmacodynamic modelling predict that a single 30 mg oral dose is sufficient to cure a malaria infection in humans. Toxicology studies in rats indicate a > 30-fold safety margin in relation to the predicted human efficacious exposure. In conclusion, MMV693183 represents a promising candidate for further (pre)clinical development with a novel mode of action for treatment of malaria and blocking transmission. Here, de Vries et al. perform a pre-clinical characterization of the antimalarial compound MMV693183: the compound targets acetyl-CoA synthetase, has efficacy in humanized mice against Plasmodium falciparum infection, blocks transmission to mosquito vectors, is safe in rats, and pharmacokinetic-pharmacodynamic modeling informs about a potential oral human dosing regimen.
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Affiliation(s)
- Laura E de Vries
- Department of Medical Microbiology, Radboudumc Center for Infectious Diseases, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Nijmegen, The Netherlands.,Department of Immunology and Infectious Diseases, Harvard T.H. Chan School of Public Health, Boston, MA, USA
| | - Patrick A M Jansen
- Department of Dermatology, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Nijmegen, The Netherlands
| | | | - Justin Munro
- Department of Chemistry and Huck Center for Malaria Research, The Pennsylvania State University, University Park, PA, USA
| | - Julie M J Verhoef
- Department of Medical Microbiology, Radboudumc Center for Infectious Diseases, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Nijmegen, The Netherlands
| | | | - Kelly Rubiano
- Department of Microbiology & Immunology, Columbia University Irving Medical Center, New York, NY, USA
| | - Josefine Striepen
- Department of Microbiology & Immunology, Columbia University Irving Medical Center, New York, NY, USA
| | - Nada Abla
- Medicines for Malaria Venture, Geneva, Switzerland
| | - Luuk Berning
- TropIQ Health Sciences, Nijmegen, The Netherlands
| | | | | | | | - Tonnie Huijs
- TropIQ Health Sciences, Nijmegen, The Netherlands
| | | | | | - Tomas Yeo
- Department of Microbiology & Immunology, Columbia University Irving Medical Center, New York, NY, USA
| | - Anna C C Aguiar
- Sao Carlos Institute of Physics, University of São Paulo, São Carlos, São Paulo, Brazil, São Carlos, SP, Brazil
| | | | - Alisje Churchyard
- Department of Life Sciences, Imperial College London, South Kensington, London, United Kingdom
| | - Jake Baum
- Department of Life Sciences, Imperial College London, South Kensington, London, United Kingdom
| | | | - Aline Fuchs
- Medicines for Malaria Venture, Geneva, Switzerland
| | | | - Rafael V C Guido
- Sao Carlos Institute of Physics, University of São Paulo, São Carlos, São Paulo, Brazil, São Carlos, SP, Brazil
| | | | - Dhelio B Pereira
- Research Center for Tropical Medicine of Rondonia, Porto Velho, Brazil
| | - Rosemary Rochford
- Department of Immunology and Microbiology, University of Colorado Anschutz School of Medicine, Aurora, CO, USA
| | - Camille Roesch
- Malaria Molecular Epidemiology Unit, Institut Pasteur du Cambodge, Phnom Penh, Cambodia.,Malaria Translational Research Unit, Institut Pasteur, Paris & Institut Pasteur du Cambodge, Phnom Penh, Cambodia
| | - Laura M Sanz
- Global Health, GlaxoSmithKline, Tres Cantos, Madrid, Spain
| | | | - Benoit Witkowski
- Malaria Molecular Epidemiology Unit, Institut Pasteur du Cambodge, Phnom Penh, Cambodia.,Malaria Translational Research Unit, Institut Pasteur, Paris & Institut Pasteur du Cambodge, Phnom Penh, Cambodia
| | - Sergio Wittlin
- Swiss Tropical and Public Health Institute, Basel, Switzerland.,University of Basel, Basel, Switzerland
| | - Roland A Cooper
- Department of Natural Sciences and Mathematics, Dominican University of California, San Rafael, CA, USA
| | - Philip J Rosenthal
- Department of Medicine, University of California, San Francisco, CA, USA
| | - Robert W Sauerwein
- Department of Medical Microbiology, Radboudumc Center for Infectious Diseases, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Nijmegen, The Netherlands.,TropIQ Health Sciences, Nijmegen, The Netherlands
| | - Joost Schalkwijk
- Department of Dermatology, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Nijmegen, The Netherlands
| | | | | | - Brice Campo
- Medicines for Malaria Venture, Geneva, Switzerland
| | - David A Fidock
- Department of Microbiology & Immunology, Columbia University Irving Medical Center, New York, NY, USA.,Center for Malaria Therapeutics and Antimicrobial Resistance, Division of Infectious Diseases, Department of Medicine, Columbia University Irving Medical Center, New York, NY, USA
| | - Manuel Llinás
- Department of Chemistry and Huck Center for Malaria Research, The Pennsylvania State University, University Park, PA, USA.,Department of Biochemistry & Molecular Biology, The Pennsylvania State University, University Park, PA, USA
| | - Jacquin C Niles
- Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge, MA, USA
| | - Taco W A Kooij
- Department of Medical Microbiology, Radboudumc Center for Infectious Diseases, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Nijmegen, The Netherlands.
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16
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de Vries LE, Lunghi M, Krishnan A, Kooij TWA, Soldati-Favre D. Pantothenate and CoA biosynthesis in Apicomplexa and their promise as antiparasitic drug targets. PLoS Pathog 2021; 17:e1010124. [PMID: 34969059 PMCID: PMC8717973 DOI: 10.1371/journal.ppat.1010124] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
Abstract
The Apicomplexa phylum comprises thousands of distinct intracellular parasite species, including coccidians, haemosporidians, piroplasms, and cryptosporidia. These parasites are characterized by complex and divergent life cycles occupying a variety of host niches. Consequently, they exhibit distinct adaptations to the differences in nutritional availabilities, either relying on biosynthetic pathways or by salvaging metabolites from their host. Pantothenate (Pan, vitamin B5) is the precursor for the synthesis of an essential cofactor, coenzyme A (CoA), but among the apicomplexans, only the coccidian subgroup has the ability to synthesize Pan. While the pathway to synthesize CoA from Pan is largely conserved across all branches of life, there are differences in the redundancy of enzymes and possible alternative pathways to generate CoA from Pan. Impeding the scavenge of Pan and synthesis of Pan and CoA have been long recognized as potential targets for antimicrobial drug development, but in order to fully exploit these critical pathways, it is important to understand such differences. Recently, a potent class of pantothenamides (PanAms), Pan analogs, which target CoA-utilizing enzymes, has entered antimalarial preclinical development. The potential of PanAms to target multiple downstream pathways make them a promising compound class as broad antiparasitic drugs against other apicomplexans. In this review, we summarize the recent advances in understanding the Pan and CoA biosynthesis pathways, and the suitability of these pathways as drug targets in Apicomplexa, with a particular focus on the cyst-forming coccidian, Toxoplasma gondii, and the haemosporidian, Plasmodium falciparum.
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Affiliation(s)
- Laura E. de Vries
- Department of Medical Microbiology, Radboudumc Center for Infectious Diseases, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Nijmegen, the Netherlands
| | - Matteo Lunghi
- Department of Microbiology & Molecular Medicine, Faculty of Medicine, University of Geneva, Geneva, Switzerland
| | - Aarti Krishnan
- Department of Microbiology & Molecular Medicine, Faculty of Medicine, University of Geneva, Geneva, Switzerland
| | - Taco W. A. Kooij
- Department of Medical Microbiology, Radboudumc Center for Infectious Diseases, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Nijmegen, the Netherlands
| | - Dominique Soldati-Favre
- Department of Microbiology & Molecular Medicine, Faculty of Medicine, University of Geneva, Geneva, Switzerland
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17
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Mostert KJ, Sharma N, van der Zwaag M, Staats R, Koekemoer L, Anand R, Sibon OCM, Strauss E. The Coenzyme A Level Modulator Hopantenate (HoPan) Inhibits Phosphopantotenoylcysteine Synthetase Activity. ACS Chem Biol 2021; 16:2401-2414. [PMID: 34582681 DOI: 10.1021/acschembio.1c00535] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
The pantothenate analogue hopantenate (HoPan) is widely used as a modulator of coenzyme A (CoA) levels in cell biology and disease models─especially for pantothenate kinase associated neurodegeneration (PKAN), a genetic disease rooted in impaired CoA metabolism. This use of HoPan was based on reports that it inhibits pantothenate kinase (PanK), the first enzyme of CoA biosynthesis. Using a combination of in vitro enzyme kinetic studies, crystal structure analysis, and experiments in a typical PKAN cell biology model, we demonstrate that instead of inhibiting PanK, HoPan relies on it for metabolic activation. Once phosphorylated, HoPan inhibits the next enzyme in the CoA pathway─phosphopantothenoylcysteine synthetase (PPCS)─through formation of a nonproductive substrate complex. Moreover, the obtained structure of the human PPCS in complex with the inhibitor and activating nucleotide analogue provides new insights into the catalytic mechanism of PPCS enzymes─including the elusive binding mode for cysteine─and reveals the functional implications of mutations in the human PPCS that have been linked to severe dilated cardiomyopathy. Taken together, this study demonstrates that the molecular mechanism of action of HoPan is more complex than previously thought, suggesting that the results of studies in which it is used as a tool compound must be interpreted with care. Moreover, our findings provide a clear framework for evaluating the various factors that contribute to the potency of CoA-directed inhibitors, one that will prove useful in the future rational development of potential therapies of both human genetic and infectious diseases.
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Affiliation(s)
- Konrad J. Mostert
- Department of Biochemistry, Stellenbosch University, Stellenbosch, 7600, South Africa
| | - Nandini Sharma
- Department of Chemistry, Indian Institute of Technology Bombay, Mumbai-400076, India
| | - Marianne van der Zwaag
- Department of Biomedical Sciences of Cells and Systems, University Medical Center Groningen, University of Groningen, Groningen, 9713 AV, The Netherlands
| | - Roxine Staats
- Department of Biochemistry, Stellenbosch University, Stellenbosch, 7600, South Africa
| | - Lizbé Koekemoer
- Department of Biochemistry, Stellenbosch University, Stellenbosch, 7600, South Africa
| | - Ruchi Anand
- Department of Chemistry, Indian Institute of Technology Bombay, Mumbai-400076, India
| | - Ody C. M. Sibon
- Department of Biomedical Sciences of Cells and Systems, University Medical Center Groningen, University of Groningen, Groningen, 9713 AV, The Netherlands
| | - Erick Strauss
- Department of Biochemistry, Stellenbosch University, Stellenbosch, 7600, South Africa
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18
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Subramanian C, Frank MW, Tangallapally R, Yun MK, Edwards A, White SW, Lee RE, Rock CO, Jackowski S. Pantothenate kinase activation relieves coenzyme A sequestration and improves mitochondrial function in mice with propionic acidemia. Sci Transl Med 2021; 13:eabf5965. [PMID: 34524863 DOI: 10.1126/scitranslmed.abf5965] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
[Figure: see text].
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Affiliation(s)
- Chitra Subramanian
- Department of Infectious Diseases, St. Jude Children's Research Hospital, Memphis, TN 38105, USA
| | - Matthew W Frank
- Department of Infectious Diseases, St. Jude Children's Research Hospital, Memphis, TN 38105, USA
| | - Rajendra Tangallapally
- Department of Chemical Biology and Therapeutics, St. Jude Children's Research Hospital, Memphis, TN 38105, USA
| | - Mi-Kyung Yun
- Department of Structural Biology, St. Jude Children's Research Hospital, Memphis TN, 38105, USA
| | - Anne Edwards
- Department of Chemical Biology and Therapeutics, St. Jude Children's Research Hospital, Memphis, TN 38105, USA
| | - Stephen W White
- Department of Structural Biology, St. Jude Children's Research Hospital, Memphis TN, 38105, USA.,St. Jude Graduate School of Biomedical Sciences, St. Jude Children's Research Hospital, Memphis, TN 38105, USA.,Department of Microbiology, Immunology and Biochemistry, University of Tennessee Health Science Center, Memphis, TN 38163, USA
| | - Richard E Lee
- Department of Chemical Biology and Therapeutics, St. Jude Children's Research Hospital, Memphis, TN 38105, USA.,Center for Pediatric Experimental Therapeutics, University of Tennessee Health Science Center, Memphis, TN 38163, USA
| | - Charles O Rock
- Department of Infectious Diseases, St. Jude Children's Research Hospital, Memphis, TN 38105, USA.,Department of Microbiology, Immunology and Biochemistry, University of Tennessee Health Science Center, Memphis, TN 38163, USA
| | - Suzanne Jackowski
- Department of Infectious Diseases, St. Jude Children's Research Hospital, Memphis, TN 38105, USA
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19
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Tjhin ET, Howieson VM, Spry C, van Dooren GG, Saliba KJ. A novel heteromeric pantothenate kinase complex in apicomplexan parasites. PLoS Pathog 2021; 17:e1009797. [PMID: 34324601 PMCID: PMC8366970 DOI: 10.1371/journal.ppat.1009797] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2020] [Revised: 08/16/2021] [Accepted: 07/13/2021] [Indexed: 11/19/2022] Open
Abstract
Coenzyme A is synthesised from pantothenate via five enzyme-mediated steps. The first step is catalysed by pantothenate kinase (PanK). All PanKs characterised to date form homodimers. Many organisms express multiple PanKs. In some cases, these PanKs are not functionally redundant, and some appear to be non-functional. Here, we investigate the PanKs in two pathogenic apicomplexan parasites, Plasmodium falciparum and Toxoplasma gondii. Each of these organisms express two PanK homologues (PanK1 and PanK2). We demonstrate that PfPanK1 and PfPanK2 associate, forming a single, functional PanK complex that includes the multi-functional protein, Pf14-3-3I. Similarly, we demonstrate that TgPanK1 and TgPanK2 form a single complex that possesses PanK activity. Both TgPanK1 and TgPanK2 are essential for T. gondii proliferation, specifically due to their PanK activity. Our study constitutes the first examples of heteromeric PanK complexes in nature and provides an explanation for the presence of multiple PanKs within certain organisms.
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Affiliation(s)
- Erick T. Tjhin
- Research School of Biology, The Australian National University, Canberra, Australia
| | - Vanessa M. Howieson
- Research School of Biology, The Australian National University, Canberra, Australia
| | - Christina Spry
- Research School of Biology, The Australian National University, Canberra, Australia
| | - Giel G. van Dooren
- Research School of Biology, The Australian National University, Canberra, Australia
| | - Kevin J. Saliba
- Research School of Biology, The Australian National University, Canberra, Australia
- Medical School, The Australian National University, Canberra, Australia
- * E-mail:
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20
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Orsatti L, Orsale MV, di Pasquale P, Vecchi A, Colaceci F, Ciammaichella A, Rossetti I, Bonelli F, Baumgaertel K, Liu K, Elbaum D, Monteagudo E. Turnover rate of coenzyme A in mouse brain and liver. PLoS One 2021; 16:e0251981. [PMID: 34019583 PMCID: PMC8139499 DOI: 10.1371/journal.pone.0251981] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2020] [Accepted: 05/07/2021] [Indexed: 11/25/2022] Open
Abstract
Coenzyme A (CoA) is a fundamental cofactor involved in a number of important biochemical reactions in the cell. Altered CoA metabolism results in severe conditions such as pantothenate kinase-associated neurodegeneration (PKAN) in which a reduction of the activity of pantothenate kinase isoform 2 (PANK2) present in CoA biosynthesis in the brain consequently lowers the level of CoA in this organ. In order to develop a new drug aimed at restoring the sufficient amount of CoA in the brain of PKAN patients, we looked at its turnover. We report here the results of two experiments that enabled us to measure the half-life of pantothenic acid, free CoA (CoASH) and acetylCoA in the brains and livers of male and female C57BL/6N mice, and total CoA in the brains of male mice. We administered (intrastriatally or orally) a single dose of a [13C3-15N-18O]-labelled coenzyme A precursor (fosmetpantotenate or [13C3-15N]-pantothenic acid) to the mice and measured, by liquid chromatography-mass spectrometry, unlabelled- and labelled-coenzyme A species appearance and disappearance over time. We found that the turnover of all metabolites was faster in the liver than in the brain in both genders with no evident gender difference observed. In the oral study, the CoASH half-life was: 69 ± 5 h (male) and 82 ± 6 h (female) in the liver; 136 ± 14 h (male) and 144 ± 12 h (female) in the brain. AcetylCoA half-life was 74 ± 9 h (male) and 71 ± 7 h (female) in the liver; 117 ± 13 h (male) and 158 ± 23 (female) in the brain. These results were in accordance with the corresponding values obtained after intrastriatal infusion of labelled-fosmetpantotenate (CoASH 124 ± 13 h, acetylCoA 117 ± 11 and total CoA 144 ± 17 in male brain).
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Affiliation(s)
- Laura Orsatti
- ADME/DMPK Department, IRBM SpA, Pomezia, Roma, Italy
| | | | | | - Andrea Vecchi
- ADME/DMPK Department, IRBM SpA, Pomezia, Roma, Italy
| | | | | | - Ilaria Rossetti
- Medicinal Chemistry Department, IRBM SpA, Pomezia, Roma, Italy
| | - Fabio Bonelli
- ADME/DMPK Department, IRBM SpA, Pomezia, Roma, Italy
| | | | - Kai Liu
- Retrophin, San Diego, CA, United States of America
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21
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Czumaj A, Szrok-Jurga S, Hebanowska A, Turyn J, Swierczynski J, Sledzinski T, Stelmanska E. The Pathophysiological Role of CoA. Int J Mol Sci 2020; 21:ijms21239057. [PMID: 33260564 PMCID: PMC7731229 DOI: 10.3390/ijms21239057] [Citation(s) in RCA: 42] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2020] [Revised: 11/21/2020] [Accepted: 11/25/2020] [Indexed: 12/11/2022] Open
Abstract
The importance of coenzyme A (CoA) as a carrier of acyl residues in cell metabolism is well understood. Coenzyme A participates in more than 100 different catabolic and anabolic reactions, including those involved in the metabolism of lipids, carbohydrates, proteins, ethanol, bile acids, and xenobiotics. However, much less is known about the importance of the concentration of this cofactor in various cell compartments and the role of altered CoA concentration in various pathologies. Despite continuous research on these issues, the molecular mechanisms in the regulation of the intracellular level of CoA under pathological conditions are still not well understood. This review summarizes the current knowledge of (a) CoA subcellular concentrations; (b) the roles of CoA synthesis and degradation processes; and (c) protein modification by reversible CoA binding to proteins (CoAlation). Particular attention is paid to (a) the roles of changes in the level of CoA under pathological conditions, such as in neurodegenerative diseases, cancer, myopathies, and infectious diseases; and (b) the beneficial effect of CoA and pantethine (which like CoA is finally converted to Pan and cysteamine), used at pharmacological doses for the treatment of hyperlipidemia.
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Affiliation(s)
- Aleksandra Czumaj
- Department of Pharmaceutical Biochemistry, Faculty of Pharmacy, Medical University of Gdansk, 80-211 Gdańsk, Poland;
| | - Sylwia Szrok-Jurga
- Department of Biochemistry, Faculty of Medicine, Medical University of Gdansk, 80-211 Gdansk, Poland; (S.S.-J.); (A.H.); (J.T.)
| | - Areta Hebanowska
- Department of Biochemistry, Faculty of Medicine, Medical University of Gdansk, 80-211 Gdansk, Poland; (S.S.-J.); (A.H.); (J.T.)
| | - Jacek Turyn
- Department of Biochemistry, Faculty of Medicine, Medical University of Gdansk, 80-211 Gdansk, Poland; (S.S.-J.); (A.H.); (J.T.)
| | - Julian Swierczynski
- State School of Higher Vocational Education in Koszalin, 75-582 Koszalin, Poland;
| | - Tomasz Sledzinski
- Department of Pharmaceutical Biochemistry, Faculty of Pharmacy, Medical University of Gdansk, 80-211 Gdańsk, Poland;
- Correspondence: (T.S.); (E.S.); Tel.: +48-(0)-583-491-479 (T.S.)
| | - Ewa Stelmanska
- Department of Biochemistry, Faculty of Medicine, Medical University of Gdansk, 80-211 Gdansk, Poland; (S.S.-J.); (A.H.); (J.T.)
- Correspondence: (T.S.); (E.S.); Tel.: +48-(0)-583-491-479 (T.S.)
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22
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Neamtu AA, Szoke-Kovacs R, Mihok E, Georgescu C, Turcus V, Olah NK, Frum A, Tita O, Neamtu C, Szoke-Kovacs Z, Cziaky Z, Mathe E. Bilberry ( Vaccinium myrtillus L.) Extracts Comparative Analysis Regarding Their Phytonutrient Profiles, Antioxidant Capacity along with the In Vivo Rescue Effects Tested on a Drosophila melanogaster High-Sugar Diet Model. Antioxidants (Basel) 2020; 9:E1067. [PMID: 33143302 PMCID: PMC7694118 DOI: 10.3390/antiox9111067] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2020] [Revised: 10/23/2020] [Accepted: 10/26/2020] [Indexed: 12/26/2022] Open
Abstract
Bilberries (Vaccinium myrtillus L.) have been reported to hold a plentitude of health-promoting properties beyond basic nutrition, mainly attributed to their anthocyanin content and antioxidant activity. In this article, we built the phytochemical profile of three wild bilberry fruit extract formulations (aqueous, methanolic, and hydro-methanolic) using UHPLC-ESI-MS/MS putative analysis, identifying 88 individual phytochemicals, mainly flavonoids (total content 8.41 ± 0.11 mg QE/g dw), free amino acids, polyphenols (total content 21.68 ± 0.19 mg GAE/g dw), carboxylic acids, and vitamins. Furthermore, the antioxidant activity of the extract was assessed, reaching 78.03 ± 0.16% DPPH free radical scavenging activity, comparable to literature values determined for bilberry extracts of other origin. Due to the increased prevalence of metabolic syndrome and based on the reviewed benefits of bilberries, we tested the most potent formulation of our bilberry extracts in this biological context. The in vivo rescue effect of a bilberry extract supplemented diet on Drosophila melanogaster was assessed by monitoring biochemical and genomic markers. Hemolymph trehalose levels were halved upon addition of 3% hydro-methanolic bilberry extract to a high-sugar (1.5 M sucrose) diet, as compared to the non-supplemented high-sugar diet. Noteworthy, the rescue seen for flies kept on the bilberry extract supplemented high-sugar diet appeared to parallel the trehalose levels observed in the case of the control diet (50 mM sucrose) flies. Moreover, next to the trehalose-lowering type of in vivo effects, other gene expression related rescues were also detected for genes such as InR, Akh, AstA, AstC, Irk, Npc2g, and CCHa2 upon supplementation of the high-sugar diet with our hydro-methanolic bilberry fruit extract. Our findings suggest that such a bilberry fruit extract could generate physiological and genomic type of compensatory mechanisms so that further translational approaches would advance the understanding of some human specific pathological conditions.
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Affiliation(s)
| | - Rita Szoke-Kovacs
- Doctoral School of Molecular Cell Biology and Immunology, Faculty of Medicine, University of Debrecen, H-4032 Debrecen, Hungary;
| | - Emoke Mihok
- Doctoral School of Animal Science, Faculty of Agricultural and Food Sciences and Environmental Management, University of Debrecen, H-4032 Debrecen, Hungary;
| | - Cecilia Georgescu
- Faculty of Agricultural Science, Food Industry and Environmental Protection, “Lucian Blaga” University of Sibiu, 550012 Sibiu, Romania; (A.F.); (O.T.)
| | - Violeta Turcus
- Faculty of Medicine, “Vasile Goldis” Western University of Arad, 310045 Arad, Romania; (V.T.); (C.N.)
| | - Neli Kinga Olah
- Faculty of Pharmacy, “Vasile Goldis” Western University of Arad, 310045 Arad, Romania;
| | - Adina Frum
- Faculty of Agricultural Science, Food Industry and Environmental Protection, “Lucian Blaga” University of Sibiu, 550012 Sibiu, Romania; (A.F.); (O.T.)
| | - Ovidiu Tita
- Faculty of Agricultural Science, Food Industry and Environmental Protection, “Lucian Blaga” University of Sibiu, 550012 Sibiu, Romania; (A.F.); (O.T.)
| | - Carmen Neamtu
- Faculty of Medicine, “Vasile Goldis” Western University of Arad, 310045 Arad, Romania; (V.T.); (C.N.)
| | - Zsombor Szoke-Kovacs
- Doctoral School of Nutrition, Faculty of Agricultural and Food Sciences and Environmental Management, University of Debrecen, H-4032 Debrecen, Hungary;
| | - Zoltan Cziaky
- Agricultural and Molecular Research and Service Institute, University of Nyiregyhaza, H-4400 Nyíregyháza, Hungary;
| | - Endre Mathe
- Faculty of Medicine, “Vasile Goldis” Western University of Arad, 310045 Arad, Romania; (V.T.); (C.N.)
- Faculty of Agricultural and Food Sciences and Environmental Management, University of Debrecen, H-4032 Debrecen, Hungary
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23
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Hinarejos I, Machuca C, Sancho P, Espinós C. Mitochondrial Dysfunction, Oxidative Stress and Neuroinflammation in Neurodegeneration with Brain Iron Accumulation (NBIA). Antioxidants (Basel) 2020; 9:antiox9101020. [PMID: 33092153 PMCID: PMC7589120 DOI: 10.3390/antiox9101020] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2020] [Revised: 10/16/2020] [Accepted: 10/17/2020] [Indexed: 12/13/2022] Open
Abstract
The syndromes of neurodegeneration with brain iron accumulation (NBIA) encompass a group of invalidating and progressive rare diseases that share the abnormal accumulation of iron in the basal ganglia. The onset of NBIA disorders ranges from infancy to adulthood. Main clinical signs are related to extrapyramidal features (dystonia, parkinsonism and choreoathetosis), and neuropsychiatric abnormalities. Ten NBIA forms are widely accepted to be caused by mutations in the genes PANK2, PLA2G6, WDR45, C19ORF12, FA2H, ATP13A2, COASY, FTL1, CP, and DCAF17. Nonetheless, many patients remain without a conclusive genetic diagnosis, which shows that there must be additional as yet undiscovered NBIA genes. In line with this, isolated cases of known monogenic disorders, and also, new genetic diseases, which present with abnormal brain iron phenotypes compatible with NBIA, have been described. Several pathways are involved in NBIA syndromes: iron and lipid metabolism, mitochondrial dynamics, and autophagy. However, many neurodegenerative conditions share features such as mitochondrial dysfunction and oxidative stress, given the bioenergetics requirements of neurons. This review aims to describe the existing link between the classical ten NBIA forms by examining their connection with mitochondrial impairment as well as oxidative stress and neuroinflammation.
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Affiliation(s)
- Isabel Hinarejos
- Unit of Genetics and Genomics of Neuromuscular and Neurodegenerative Disorders, Centro de Investigación Príncipe Felipe (CIPF), 46012 Valencia, Spain; (I.H.); (C.M.); (P.S.)
- Rare Diseases Joint Units, CIPF-IIS La Fe & INCLIVA, 46012 Valencia, Spain
| | - Candela Machuca
- Unit of Genetics and Genomics of Neuromuscular and Neurodegenerative Disorders, Centro de Investigación Príncipe Felipe (CIPF), 46012 Valencia, Spain; (I.H.); (C.M.); (P.S.)
- Rare Diseases Joint Units, CIPF-IIS La Fe & INCLIVA, 46012 Valencia, Spain
- Unit of Stem Cells Therapies in Neurodegenerative Diseases, Centro de Investigación Príncipe Felipe (CIPF), 46012 Valencia, Spain
| | - Paula Sancho
- Unit of Genetics and Genomics of Neuromuscular and Neurodegenerative Disorders, Centro de Investigación Príncipe Felipe (CIPF), 46012 Valencia, Spain; (I.H.); (C.M.); (P.S.)
- Rare Diseases Joint Units, CIPF-IIS La Fe & INCLIVA, 46012 Valencia, Spain
| | - Carmen Espinós
- Unit of Genetics and Genomics of Neuromuscular and Neurodegenerative Disorders, Centro de Investigación Príncipe Felipe (CIPF), 46012 Valencia, Spain; (I.H.); (C.M.); (P.S.)
- Rare Diseases Joint Units, CIPF-IIS La Fe & INCLIVA, 46012 Valencia, Spain
- Department of Genetics, University of Valencia, 46100 Valencia, Spain
- Correspondence: ; Tel.: +34-963-289-680
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24
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Pourcel L, Buron F, Garcia F, Delaloix MS, Le Fourn V, Girod PA, Mermod N. Transient vitamin B5 starving improves mammalian cell homeostasis and protein production. Metab Eng 2020; 60:77-86. [PMID: 32247827 DOI: 10.1016/j.ymben.2020.03.008] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2019] [Revised: 01/23/2020] [Accepted: 03/22/2020] [Indexed: 12/13/2022]
Abstract
Maintaining a metabolic steady state is essential for an organism's fitness and survival when confronted with environmental stress, and metabolic imbalance can be reversed by exposing the organism to fasting. Here, we attempted to apply this physiological principle to mammalian cell cultures to improve cellular fitness and consequently their ability to express recombinant proteins. We showed that transient vitamin B5 deprivation, an essential cofactor of central cellular metabolism, can quickly and irreversibly affect mammalian cell growth and division. A selection method was designed that relies on mammalian cell dependence on vitamin B5 for energy production, using the co-expression of the B5 transporter SLC5A6 and a gene of interest. We demonstrated that vitamin B5 selection persistently activates peroxisome proliferator-activated receptors (PPAR), a family of transcription factors involved in energy homeostasis, thereby altering lipid metabolism, improving cell fitness and therapeutic protein production. Thus, stable PPAR activation may constitute a cellular memory of past deprivation state, providing increased resistance to further potential fasting events. In other words, our results imply that cultured cells, once exposed to metabolic starvation, may display an improved metabolic fitness as compared to non-exposed cells, allowing increased resistance to cellular stress.
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Affiliation(s)
- Lucille Pourcel
- Center for Biotechnology and Department of Fundamental Microbiology, University of Lausanne, UNIL-EPFL, Lausanne, Switzerland.
| | - Flavien Buron
- Center for Biotechnology and Department of Fundamental Microbiology, University of Lausanne, UNIL-EPFL, Lausanne, Switzerland
| | - Fanny Garcia
- Center for Biotechnology and Department of Fundamental Microbiology, University of Lausanne, UNIL-EPFL, Lausanne, Switzerland
| | - Margaux-Sarah Delaloix
- Center for Biotechnology and Department of Fundamental Microbiology, University of Lausanne, UNIL-EPFL, Lausanne, Switzerland
| | | | | | - Nicolas Mermod
- Center for Biotechnology and Department of Fundamental Microbiology, University of Lausanne, UNIL-EPFL, Lausanne, Switzerland
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25
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Naquet P, Kerr EW, Vickers SD, Leonardi R. Regulation of coenzyme A levels by degradation: the 'Ins and Outs'. Prog Lipid Res 2020; 78:101028. [PMID: 32234503 DOI: 10.1016/j.plipres.2020.101028] [Citation(s) in RCA: 57] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2019] [Revised: 02/09/2020] [Accepted: 02/22/2020] [Indexed: 02/06/2023]
Abstract
Coenzyme A (CoA) is the predominant acyl carrier in mammalian cells and a cofactor that plays a key role in energy and lipid metabolism. CoA and its thioesters (acyl-CoAs) regulate a multitude of metabolic processes at different levels: as substrates, allosteric modulators, and via post-translational modification of histones and other non-histone proteins. Evidence is emerging that synthesis and degradation of CoA are regulated in a manner that enables metabolic flexibility in different subcellular compartments. Degradation of CoA occurs through distinct intra- and extracellular pathways that rely on the activity of specific hydrolases. The pantetheinase enzymes specifically hydrolyze pantetheine to cysteamine and pantothenate, the last step in the extracellular degradation pathway for CoA. This reaction releases pantothenate in the bloodstream, making this CoA precursor available for cellular uptake and de novo CoA synthesis. Intracellular degradation of CoA depends on specific mitochondrial and peroxisomal Nudix hydrolases. These enzymes are also active against a subset of acyl-CoAs and play a key role in the regulation of subcellular (acyl-)CoA pools and CoA-dependent metabolic reactions. The evidence currently available indicates that the extracellular and intracellular (acyl-)CoA degradation pathways are regulated in a coordinated and opposite manner by the nutritional state and maximize the changes in the total intracellular CoA levels that support the metabolic switch between fed and fasted states in organs like the liver. The objective of this review is to update the contribution of these pathways to the regulation of metabolism, physiology and pathology and to highlight the many questions that remain open.
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Affiliation(s)
- Philippe Naquet
- Aix Marseille Univ, INSERM, CNRS, Centre d'Immunologie de Marseille-Luminy, Marseille, France.
| | - Evan W Kerr
- Department of Biochemistry, West Virginia University, Morgantown, West Virginia 26506, United States of America
| | - Schuyler D Vickers
- Department of Biochemistry, West Virginia University, Morgantown, West Virginia 26506, United States of America
| | - Roberta Leonardi
- Department of Biochemistry, West Virginia University, Morgantown, West Virginia 26506, United States of America.
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26
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Yang L, Zhang B, Wang X, Liu Z, Li J, Zhang S, Gu X, Jia M, Guo H, Feng N, Fan R, Xie M, Pei J, Chen L. P53/PANK1/miR-107 signalling pathway spans the gap between metabolic reprogramming and insulin resistance induced by high-fat diet. J Cell Mol Med 2020; 24:3611-3624. [PMID: 32048816 PMCID: PMC7131928 DOI: 10.1111/jcmm.15053] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2019] [Revised: 01/21/2020] [Accepted: 01/27/2020] [Indexed: 02/06/2023] Open
Abstract
High-fat diet (HFD) leads to obesity, type II diabetes mellitus (T2DM) and increases the coincidence of cardiovascular diseases and cancer. Insulin resistance (IR) is considered as the 'common soil' of those diseases. Furthermore, people on HFD showed restrained glycolysis and enhanced fatty acid oxidation, which is the so-called metabolic reprogramming. However, the relationship between metabolic reprogramming and IR induced by HFD is still unclear. Here, we demonstrate that PANK1 and miR-107 were up-regulated in the liver tissue of mice on HFD for 16 weeks and involved in metabolic reprogramming induced by palmitate acid (PA) incubation. Importantly, miR-107 within an intron of PANK1 gene facilitated IR by targeting caveolin-1 in AML12 cells upon PA incubation. Moreover, we identify that HFD enhanced P53 expression, and activation of P53 with nutlin-3a induced PANK1 and miR-107 expression simultaneously in transcriptional level, leading to metabolic reprogramming and IR, respectively. Consistently, inhibition of P53 with pifithrin-α hydrobromide ameliorated PA-induced metabolic reprogramming and IR. Thus, our results revealing a new mechanism by which P53 regulate metabolism. In addition, the results distinguished the different roles of PANK1 and its intron miR-107 in metabolic regulation, which will provide more accurate intervention targets for the treatment of metabolic diseases.
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Affiliation(s)
- Lu Yang
- Department of PhysiologyNational Key Discipline of Cell BiologyFourth Military Medical UniversityXi'anChina
| | - Bin Zhang
- Department of Aerospace PhysiologyFourth Military Medical UniversityXi'anChina
| | - Xinju Wang
- Battalion 5 of CadetsFourth Military Medical UniversityXi'anChina
| | - Zhenhua Liu
- Department of PhysiologyNational Key Discipline of Cell BiologyFourth Military Medical UniversityXi'anChina
| | - Juan Li
- Department of PhysiologyNational Key Discipline of Cell BiologyFourth Military Medical UniversityXi'anChina
| | - Shumiao Zhang
- Department of PhysiologyNational Key Discipline of Cell BiologyFourth Military Medical UniversityXi'anChina
| | - Xiaoming Gu
- Department of PhysiologyNational Key Discipline of Cell BiologyFourth Military Medical UniversityXi'anChina
| | - Min Jia
- Department of PhysiologyNational Key Discipline of Cell BiologyFourth Military Medical UniversityXi'anChina
| | - Haitao Guo
- Department of PhysiologyNational Key Discipline of Cell BiologyFourth Military Medical UniversityXi'anChina
| | - Na Feng
- Department of PhysiologyNational Key Discipline of Cell BiologyFourth Military Medical UniversityXi'anChina
| | - Rong Fan
- Department of PhysiologyNational Key Discipline of Cell BiologyFourth Military Medical UniversityXi'anChina
| | - Manjiang Xie
- Department of Aerospace PhysiologyFourth Military Medical UniversityXi'anChina
| | - Jianming Pei
- Department of PhysiologyNational Key Discipline of Cell BiologyFourth Military Medical UniversityXi'anChina
| | - Li Chen
- Department of PhysiologyNational Key Discipline of Cell BiologyFourth Military Medical UniversityXi'anChina
- Department of Aerospace PhysiologyFourth Military Medical UniversityXi'anChina
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27
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Li QJ, Wang ZG, Xie Y, Liu Q, Hu HL, Gao YX. Mechanistic evaluation of gastro-protective effects of KangFuXinYe on indomethacin-induced gastric damage in rats. Chin J Nat Med 2020; 18:47-56. [PMID: 31955823 DOI: 10.1016/s1875-5364(20)30004-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2019] [Indexed: 01/30/2023]
Abstract
KangFuXinYe (KFX), the ethanol extract of the dried whole body of Periplaneta americana, is a well-known important Chinese medicine preparation that has been used to treat digestive diseases such as gastric ulcers for many years in China. However, its therapeutic effect and mechanism are not yet well understood. Thus, the aim of this study was to investigate the gastro-protective effects of KangFuXinYe (KFX) in indomethacin-induced gastric damage. Rats were randomly divided into six groups as follows: control, treated with indomethacin (35 mg·kg-1), different dosages of KFX (2.57, 5.14 and 10.28 mL·kg-1, respectively) plus indomethacin, and sucralfate (1.71 mL·kg-1) plus indomethacin. After treatment, rat serum, stomach and gastric homogenates were collected for biochemical tests and examination of histopathology firstly. Rat serum was further used for metabolomics analysis to research possible mechanisms. Our results showed that KFX treatment alleviated indomethacin-induced histopathologic damage in rat gastric mucosa. Meanwhile, its treatment significantly increased cyclooxygenase-1 (COX-1), prostaglandin E2 (PGE2) and epidermal growth factor (EGF) levels in rat serum and gastric mucosa. Moreover, KFX decreased cyclooxygenase-2 (COX-2) and interleukin-6 (IL-6) levels. Nine metabolites were identified which intensities significantly changed in gastric damage rats, including 5-hydroxyindoleacetic acid, indoxylsulfuric acid, indolelactic acid, 4-hydroxyindole, pantothenic acid, isobutyryl carnitine, 3-methyl-2-oxovaleric acid, sphingosine 1-phosphate, and indometacin. These metabolic deviations came to closer to normal levels after KFX intervention. The results indicate that KFX (10.28 mL·kg-1) exerts protective effects on indomethacin-induced gastric damage by possible mechanisms of action (regulating tryptophan metabolism, protecting the mitochondria, and adjusting lipid metabolism, and reducing excessive indomethacin).
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Affiliation(s)
- Qi-Juan Li
- College of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Zhan-Guo Wang
- Metabonomics Synergy Innovation Laboratory, School of Medicine and Nursing, Chengdu University, Chengdu 610106, China
| | - Yu Xie
- College of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Qiao Liu
- College of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Hui-Ling Hu
- College of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China.
| | - Yong-Xiang Gao
- College of Basic Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China.
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28
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Liu Y, Wang R, Zheng K, Xin Y, Jia S, Zhao X. Metabonomics analysis of liver in rats administered with chronic low-dose acrylamide. Xenobiotica 2020; 50:894-905. [PMID: 31928121 DOI: 10.1080/00498254.2020.1714791] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
The current study aimed to investigate the hepatotoxicity of rats administered with chronic low-dose acrylamide (AA) by using metabonomics technology on the basis of ultraperformance liquid chromatography-mass spectrometry (UPLC-MS). A total of 40 male Wistar rats were randomly divided into the following four groups: control, low-dose AA (0.2 mg/kg bw, non-carcinogenic end-point based on the induction of morphological nerve changes in rats), middle-dose AA (1 mg/kg bw), and high-dose AA (5 mg/kg bw). The rats continuously received AA by administering it in drinking water daily for 16 weeks. After the treatment, rat livers were collected for metabonomics analysis and histopathology examination. Principal components analysis (PCA) and partial least-squares discriminant analysis (PLS-DA) were used to investigate the metabonomics profile changes in rat liver tissues and screen the potential biomarkers.Fourteen metabolites were identified with significant changes in intensities (increased or decreased compared with the control group) as a result of treatment (p < 0.05 or p < 0.01). These metabolites included tauro-b-muricholic acid, docosapentaenoic acid, sphingosine 1-phosphate, taurodeoxycholic acid, lysoPE(20:5), cervonyl carnitine, linoleyl carnitine, docosahexaenoic acid, lysoPC(20:4), lysoPE(18:3), PA(20:4), stearidonyl carnitine, alpha-linolenic acid, and lysoPA(18:0).Results showed that chronic exposure to AA at NOAEL (0.2 mg/kg bw) exhibited no toxic effect in rat livers at the metabolic level. AA induced oxidative stress to the liver and disrupted lipid metabolism. The results of liver histopathology examination further supported the metabonomic results.
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Affiliation(s)
- Yanli Liu
- Department of Nutrition and Food Hygiene, Public Health College, Harbin Medical University, Harbin, China
| | - Ruijuan Wang
- Department of Nutrition and Food Hygiene, Public Health College, Harbin Medical University, Harbin, China
| | - Kai Zheng
- Department of Nutrition and Food Hygiene, Public Health College, Harbin Medical University, Harbin, China
| | - Youwei Xin
- Department of Nutrition and Food Hygiene, Public Health College, Harbin Medical University, Harbin, China
| | - Siqi Jia
- Department of Nutrition and Food Hygiene, Public Health College, Harbin Medical University, Harbin, China
| | - Xiujuan Zhao
- Department of Nutrition and Food Hygiene, Public Health College, Harbin Medical University, Harbin, China
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Subramanian C, Yao J, Frank MW, Rock CO, Jackowski S. A pantothenate kinase-deficient mouse model reveals a gene expression program associated with brain coenzyme a reduction. Biochim Biophys Acta Mol Basis Dis 2020; 1866:165663. [PMID: 31918006 DOI: 10.1016/j.bbadis.2020.165663] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2019] [Revised: 12/12/2019] [Accepted: 12/29/2019] [Indexed: 12/12/2022]
Abstract
Pantothenate kinase (PanK) is the first enzyme in the coenzyme A (CoA) biosynthetic pathway. The differential expression of the four-active mammalian PanK isoforms regulates CoA levels in different tissues and PANK2 mutations lead to Pantothenate Kinase Associated Neurodegeneration (PKAN). The molecular mechanisms that potentially underlie PKAN pathophysiology are investigated in a mouse model of CoA deficiency in the central nervous system (CNS). Both PanK1 and PanK2 contribute to brain CoA levels in mice and so a mouse model with a systemic deletion of Pank1 together with neuronal deletion of Pank2 was generated. Neuronal Pank2 expression in double knockout mice decreased starting at P9-11 triggering a significant brain CoA deficiency. The depressed brain CoA in the mice correlates with abnormal forelimb flexing and weakness that, in turn, contributes to reduced locomotion and abnormal gait. Biochemical analysis reveals a reduction in short-chain acyl-CoAs, including acetyl-CoA and succinyl-CoA. Comparative gene expression analysis reveals that the CoA deficiency in brain is associated with a large elevation of Hif3a transcript expression and significant reduction of gene transcripts in heme and hemoglobin synthesis. Reduction of brain heme levels is associated with the CoA deficiency. The data suggest a response to oxygen/glucose deprivation and indicate a disruption of oxidative metabolism arising from a CoA deficiency in the CNS.
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Affiliation(s)
| | - Jiangwei Yao
- St. Jude Children's Research Hospital, Memphis, TN 38105-3678, USA
| | - Matthew W Frank
- St. Jude Children's Research Hospital, Memphis, TN 38105-3678, USA
| | - Charles O Rock
- St. Jude Children's Research Hospital, Memphis, TN 38105-3678, USA
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Jeong SY, Hogarth P, Placzek A, Gregory AM, Fox R, Zhen D, Hamada J, van der Zwaag M, Lambrechts R, Jin H, Nilsen A, Cobb J, Pham T, Gray N, Ralle M, Duffy M, Schwanemann L, Rai P, Freed A, Wakeman K, Woltjer RL, Sibon OCM, Hayflick SJ. 4'-Phosphopantetheine corrects CoA, iron, and dopamine metabolic defects in mammalian models of PKAN. EMBO Mol Med 2019; 11:e10489. [PMID: 31660701 PMCID: PMC6895607 DOI: 10.15252/emmm.201910489] [Citation(s) in RCA: 39] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2019] [Revised: 08/07/2019] [Accepted: 08/14/2019] [Indexed: 11/19/2022] Open
Abstract
Pantothenate kinase-associated neurodegeneration (PKAN) is an inborn error of CoA metabolism causing dystonia, parkinsonism, and brain iron accumulation. Lack of a good mammalian model has impeded studies of pathogenesis and development of rational therapeutics. We took a new approach to investigating an existing mouse mutant of Pank2 and found that isolating the disease-vulnerable brain revealed regional perturbations in CoA metabolism, iron homeostasis, and dopamine metabolism and functional defects in complex I and pyruvate dehydrogenase. Feeding mice a CoA pathway intermediate, 4'-phosphopantetheine, normalized levels of the CoA-, iron-, and dopamine-related biomarkers as well as activities of mitochondrial enzymes. Human cell changes also were recovered by 4'-phosphopantetheine. We can mechanistically link a defect in CoA metabolism to these secondary effects via the activation of mitochondrial acyl carrier protein, which is essential to oxidative phosphorylation, iron-sulfur cluster biogenesis, and mitochondrial fatty acid synthesis. We demonstrate the fidelity of our model in recapitulating features of the human disease. Moreover, we identify pharmacodynamic biomarkers, provide insights into disease pathogenesis, and offer evidence for 4'-phosphopantetheine as a candidate therapeutic for PKAN.
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Affiliation(s)
- Suh Young Jeong
- Department of Molecular & Medical GeneticsOregon Health & Science UniversityPortlandORUSA
| | - Penelope Hogarth
- Department of Molecular & Medical GeneticsOregon Health & Science UniversityPortlandORUSA
- Department of NeurologyOregon Health & Science UniversityPortlandORUSA
| | - Andrew Placzek
- Medicinal Chemistry CoreOregon Health & Science UniversityPortlandORUSA
| | - Allison M Gregory
- Department of Molecular & Medical GeneticsOregon Health & Science UniversityPortlandORUSA
| | - Rachel Fox
- Department of Molecular & Medical GeneticsOregon Health & Science UniversityPortlandORUSA
| | - Dolly Zhen
- Department of Molecular & Medical GeneticsOregon Health & Science UniversityPortlandORUSA
| | - Jeffrey Hamada
- Department of Molecular & Medical GeneticsOregon Health & Science UniversityPortlandORUSA
| | | | - Roald Lambrechts
- Department of Cell BiologyUniversity Medical Center GroningenGroningenthe Netherlands
| | - Haihong Jin
- Medicinal Chemistry CoreOregon Health & Science UniversityPortlandORUSA
| | - Aaron Nilsen
- Medicinal Chemistry CoreOregon Health & Science UniversityPortlandORUSA
| | - Jared Cobb
- Department of PathologyOregon Health & Science UniversityPortlandORUSA
| | - Thao Pham
- Department of PathologyOregon Health & Science UniversityPortlandORUSA
| | - Nora Gray
- Department of NeurologyOregon Health & Science UniversityPortlandORUSA
| | - Martina Ralle
- Department of Molecular & Medical GeneticsOregon Health & Science UniversityPortlandORUSA
| | - Megan Duffy
- Department of Molecular & Medical GeneticsOregon Health & Science UniversityPortlandORUSA
| | - Leila Schwanemann
- Department of Molecular & Medical GeneticsOregon Health & Science UniversityPortlandORUSA
| | - Puneet Rai
- Department of Molecular & Medical GeneticsOregon Health & Science UniversityPortlandORUSA
| | - Alison Freed
- Department of Molecular & Medical GeneticsOregon Health & Science UniversityPortlandORUSA
| | - Katrina Wakeman
- Department of Molecular & Medical GeneticsOregon Health & Science UniversityPortlandORUSA
| | - Randall L Woltjer
- Department of PathologyOregon Health & Science UniversityPortlandORUSA
| | - Ody CM Sibon
- Department of Cell BiologyUniversity Medical Center GroningenGroningenthe Netherlands
| | - Susan J Hayflick
- Department of Molecular & Medical GeneticsOregon Health & Science UniversityPortlandORUSA
- Department of NeurologyOregon Health & Science UniversityPortlandORUSA
- Department of PediatricsOregon Health & Science UniversityPortlandORUSA
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31
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Yang H, Zhao C, Tang MC, Wang Y, Wang SP, Allard P, Furtos A, Mitchell GA. Inborn errors of mitochondrial acyl-coenzyme a metabolism: acyl-CoA biology meets the clinic. Mol Genet Metab 2019; 128:30-44. [PMID: 31186158 DOI: 10.1016/j.ymgme.2019.05.002] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/26/2019] [Revised: 03/30/2019] [Accepted: 05/05/2019] [Indexed: 12/18/2022]
Abstract
The last decade saw major advances in understanding the metabolism of Coenzyme A (CoA) thioesters (acyl-CoAs) and related inborn errors (CoA metabolic diseases, CAMDs). For diagnosis, acylcarnitines and organic acids, both derived from acyl-CoAs, are excellent markers of most CAMDs. Clinically, each CAMD is unique but strikingly, three main patterns emerge: first, systemic decompensations with combinations of acidosis, ketosis, hypoglycemia, hyperammonemia and fatty liver; second, neurological episodes, particularly acute "stroke-like" episodes, often involving the basal ganglia but sometimes cerebral cortex, brainstem or optic nerves and third, especially in CAMDs of long chain fatty acyl-CoA metabolism, lipid myopathy, cardiomyopathy and arrhythmia. Some patients develop signs from more than one category. The pathophysiology of CAMDs is not precisely understood. Available data suggest that signs may result from CoA sequestration, toxicity and redistribution (CASTOR) in the mitochondrial matrix has been suggested to play a role. This predicts that most CAMDs cause deficiency of CoA, limiting mitochondrial energy production, and that toxic effects from the abnormal accumulation of acyl-CoAs and from extramitochondrial functions of acetyl-CoA may also contribute. Recent progress includes the following. (1) Direct measurements of tissue acyl-CoAs in mammalian models of CAMDs have been related to clinical features. (2) Inborn errors of CoA biosynthesis were shown to cause clinical changes similar to those of inborn errors of acyl-CoA degradation. (3) CoA levels in cells can be influenced pharmacologically. (4) Roles for acetyl-CoA are increasingly identified in all cell compartments. (5) Nonenzymatic acyl-CoA-mediated acylation of intracellular proteins occurs in mammalian tissues and is increased in CAMDs.
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Affiliation(s)
- Hao Yang
- Division of Medical Genetics, Department of Pediatrics, CHU Sainte-Justine and Université de Montréal, Canada
| | - Chen Zhao
- Division of Medical Genetics, Department of Pediatrics, CHU Sainte-Justine and Université de Montréal, Canada; College of Animal Science and Technology, Northwest A&F University, China
| | | | - Youlin Wang
- Division of Medical Genetics, Department of Pediatrics, CHU Sainte-Justine and Université de Montréal, Canada
| | - Shu Pei Wang
- Division of Medical Genetics, Department of Pediatrics, CHU Sainte-Justine and Université de Montréal, Canada
| | - Pierre Allard
- Division of Medical Genetics, Department of Pediatrics, CHU Sainte-Justine and Université de Montréal, Canada
| | | | - Grant A Mitchell
- Division of Medical Genetics, Department of Pediatrics, CHU Sainte-Justine and Université de Montréal, Canada.
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Duncan D, Auclair K. The coenzyme A biosynthetic pathway: A new tool for prodrug bioactivation. Arch Biochem Biophys 2019; 672:108069. [PMID: 31404525 DOI: 10.1016/j.abb.2019.108069] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2019] [Revised: 08/05/2019] [Accepted: 08/08/2019] [Indexed: 11/29/2022]
Abstract
Prodrugs account for more than 5% of pharmaceuticals approved worldwide. Over the past decades several prodrug design strategies have been firmly established; however, only a few functional groups remain amenable to this approach. The aim of this overview is to highlight the use of coenzyme A (CoA) biosynthetic enzymes as a recently explored bioactivation scheme and provide information about its scope of utility. This emerging tool is likely to have a strong impact on future medicinal and biological studies as it offers promiscuity, orthogonal selectivity, and the capability of assembling exceptionally large molecules.
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Affiliation(s)
- Dustin Duncan
- Department of Chemistry, McGill University, Sherbrooke Street West, Montreal, Quebec, H3A 0B8, Canada
| | - Karine Auclair
- Department of Chemistry, McGill University, Sherbrooke Street West, Montreal, Quebec, H3A 0B8, Canada.
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Yao J, Subramanian C, Rock CO, Jackowski S. Human pantothenate kinase 4 is a pseudo-pantothenate kinase. Protein Sci 2019; 28:1031-1047. [PMID: 30927326 PMCID: PMC6511746 DOI: 10.1002/pro.3611] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2019] [Accepted: 03/28/2019] [Indexed: 11/07/2022]
Abstract
Pantothenate kinase generates 4'-phosphopantothenate in the first and rate-determining step of coenzyme A (CoA) biosynthesis. The human genome encodes three well-characterized and nearly identical pantothenate kinases (PANK1-3) plus a putative bifunctional protein (PANK4) with a predicted amino-terminal pantothenate kinase domain fused to a carboxy-terminal phosphatase domain. Structural and phylogenetic analyses show that all active, characterized PANKs contain the key catalytic residues Glu138 and Arg207 (HsPANK3 numbering). However, all amniote PANK4s, including human PANK4, encode Glu138Val and Arg207Trp substitutions which are predicted to inactivate kinase activity. Biochemical analysis corroborates bioinformatic predictions-human PANK4 lacks pantothenate kinase activity. Introducing Glu138Val and Arg207Trp substitutions to the human PANK3 and plant PANK4 abolished their robust pantothenate kinase activity. Introducing both catalytic residues back into human PANK4 restored kinase activity, but only to a low level. This result suggests that epistatic changes to the rest of the protein already reduced the kinase activity prior to mutation of the catalytic residues in the course of evolution. The PANK4 from frog, an anamniote living relative encoding the catalytically active residues, had only a low level of kinase activity, supporting the view that HsPANK4 had reduced kinase activity prior to the catalytic residue substitutions in amniotes. Together, our data show that human PANK4 is a pseudo-pantothenate kinase-a catalytically deficient variant of the catalytically active PANK4 found in plants and fungi. The Glu138Val and Arg207Trp substitutions in amniotes (HsPANK3 numbering) completely deactivated the pantothenate kinase activity that had already been reduced by prior epistatic mutations.
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Affiliation(s)
- Jiangwei Yao
- Department of Infectious DiseasesSt. Jude Children's Research HospitalMemphisTennessee, 38105
| | - Chitra Subramanian
- Department of Infectious DiseasesSt. Jude Children's Research HospitalMemphisTennessee, 38105
| | - Charles O. Rock
- Department of Infectious DiseasesSt. Jude Children's Research HospitalMemphisTennessee, 38105
| | - Suzanne Jackowski
- Department of Infectious DiseasesSt. Jude Children's Research HospitalMemphisTennessee, 38105
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Jackowski S. Proposed Therapies for Pantothenate-Kinase-Associated Neurodegeneration. J Exp Neurosci 2019; 13:1179069519851118. [PMID: 31205425 PMCID: PMC6537486 DOI: 10.1177/1179069519851118] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2019] [Accepted: 04/24/2019] [Indexed: 12/23/2022] Open
Abstract
Multiple approaches to therapy have been proposed for the rare inherited neurodegenerative disease associated with mutations in the PANK2 gene, called pantothenate-kinase-associated neurodegeneration (PKAN). Penetration of the blood-brain barrier for treatment of a central nervous system (CNS) disorder is a major challenge in drug discovery. Evaluation of the biochemistry and medicinal chemistry of the proposed therapies reveals potential liabilities among several compounds under consideration for clinical development.
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Affiliation(s)
- Suzanne Jackowski
- Department of Infectious Diseases, St Jude Children's Research Hospital, Memphis, TN, USA
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35
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Ketoacidosis - Where Do the Protons Come From? Trends Biochem Sci 2019; 44:484-489. [PMID: 30744927 DOI: 10.1016/j.tibs.2019.01.005] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2018] [Revised: 01/10/2019] [Accepted: 01/14/2019] [Indexed: 12/26/2022]
Abstract
In extreme conditions ketosis can progress to ketoacidosis, a dangerous and potentially life-threatening condition. Ketoacidosis is most common in new or poorly treated type 1 diabetes. The acidosis is usually attributed to the 'acidic' nature of the ketone bodies (acetoacetate, 3-hydroxybutyrate, and acetone). However, acetoacetate and 3-hydroxybutyrate are produced not as acids but as their conjugate bases, and acetone is neither an acid nor a base. This raises the question of why severe ketosis is accompanied by acidosis. Here, we analyze steps in ketogenesis and identify four potential sources: adipocyte lipolysis, hydrolysis of inorganic pyrophosphate generated during synthesis of fatty acyl-coenzyme A (CoA), the reaction catalyzed by an enzyme in the β-oxidation pathway (3-hydroxyacyl-CoA dehydrogenase), and increased synthesis of CoA.
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36
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Sun M, Chen C, Hou S, Li X, Wang H, Zhou J, Chen X, Liu P, Kijlstra A, Lin S, Ye J. A novel mutation of PANK4 causes autosomal dominant congenital posterior cataract. Hum Mutat 2019; 40:380-391. [PMID: 30585370 DOI: 10.1002/humu.23696] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2018] [Revised: 11/27/2018] [Accepted: 12/09/2018] [Indexed: 01/19/2023]
Abstract
Though many mutations have been identified to be associated with the occurrence of congenital cataract, pathogenic loci in some affected families are still unknown. Clinical data and genomic DNA were collected from a four-generation Chinese family. Candidate mutations were independently verified for cosegregation in the whole pedigree. Linkage analysis showed that the disease-causing mutation was located between 1p36.21 and 1p36.33. Analysis of the whole-exome sequencing data combined with linkage analysis identified a novel pathogenic variant (g.2451906C>T) at intron 4 of Pantothenate kinase 4 (PANK4 protein, PANK4 gene) in 1p36.32|606162. This variant showed complete cosegregation with the phenotype in the pedigree. The mutation was not detected in 106 normal controls nor in 40 sporadic congenital cataract patients. The mutation was demonstrated to significantly reduce the expression of the PANK4 protein level in the blood of cataract patients than that in normal individuals by ELISA. Pank4-/- mice showed a cataract phenotype with increased numbers of apoptotic lens epithelial cells, fiber cell aggregation, and significant mRNA variation of crystallin family members. Thus, the association of a new entity of an autosomal dominant cataract with mutations in PANK4, which influences cell proliferation, apoptosis of lens epithelial cells, crystallin abnormalities, and fiber cell derangement, subsequently induces cataract.
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Affiliation(s)
- Min Sun
- Department of Ophthalmology, Research Institute of Surgery and Daping Hospital, Army Medical University, Chongqing, China
| | - Chunlin Chen
- Department of Ophthalmology, Research Institute of Surgery and Daping Hospital, Army Medical University, Chongqing, China
| | - Shengping Hou
- The First Affiliated Hospital, Chongqing Medical University, Chongqing Key Laboratory of Ophthalmology, Chongqing Eye Institute, Chongqing, China
| | - Xue Li
- Department of Ophthalmology, Research Institute of Surgery and Daping Hospital, Army Medical University, Chongqing, China
| | | | - Jiaxing Zhou
- Department of Ophthalmology, Research Institute of Surgery and Daping Hospital, Army Medical University, Chongqing, China
| | - Xi Chen
- Department of Ophthalmology, Research Institute of Surgery and Daping Hospital, Army Medical University, Chongqing, China
| | - Pei Liu
- Department of Ophthalmology, Research Institute of Surgery and Daping Hospital, Army Medical University, Chongqing, China
| | - Aize Kijlstra
- University Eye Clinic Maastricht, Maastricht, the Netherlands
| | - Sen Lin
- Department of Ophthalmology, Research Institute of Surgery and Daping Hospital, Army Medical University, Chongqing, China
| | - Jian Ye
- Department of Ophthalmology, Research Institute of Surgery and Daping Hospital, Army Medical University, Chongqing, China
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37
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Hereditary diseases of coenzyme A thioester metabolism. Biochem Soc Trans 2019; 47:149-155. [PMID: 30626707 DOI: 10.1042/bst20180423] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2018] [Revised: 12/10/2018] [Accepted: 12/11/2018] [Indexed: 01/11/2023]
Abstract
Coenzyme A (CoA) thioesters (acyl-CoAs) are essential intermediates of metabolism. Inborn errors of acyl-CoA metabolism include a large fraction of the classical organic acidemias. These conditions can involve liver, muscle, heart and brain, and can be fatal. These conditions are increasingly detected by newborn screening. There is a renewed interest in CoA metabolism and in developing effective new treatments. Here, we review theories of the pathophysiology in relation to mitochondrial CoA sequestration, toxicity and redistribution (CASTOR).
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Abstract
Two inborn errors of coenzyme A (CoA) metabolism are responsible for distinct forms of neurodegeneration with brain iron accumulation (NBIA), a heterogeneous group of neurodegenerative diseases having as a common denominator iron accumulation mainly in the inner portion of globus pallidus. Pantothenate kinase-associated neurodegeneration (PKAN), an autosomal recessive disorder with progressive impairment of movement, vision and cognition, is the most common form of NBIA and is caused by mutations in the pantothenate kinase 2 gene (PANK2), coding for a mitochondrial enzyme, which phosphorylates vitamin B5 in the first reaction of the CoA biosynthetic pathway. Another very rare but similar disorder, denominated CoPAN, is caused by mutations in coenzyme A synthase gene (COASY) coding for a bi-functional mitochondrial enzyme, which catalyzes the final steps of CoA biosynthesis. It still remains a mystery why dysfunctions in CoA synthesis lead to neurodegeneration and iron accumulation in specific brain regions, but it is now evident that CoA metabolism plays a crucial role in the normal functioning and metabolism of the nervous system.
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Affiliation(s)
- Ivano Di Meo
- Unit of Molecular Neurogenetics - Pierfranco and Luisa Mariani Centre for the Study of Mitochondrial Disorders in Children, Foundation IRCCS Neurological Institute C. Besta, Via Temolo 4, Milan 20126, Italy
| | - Miryam Carecchio
- Unit of Molecular Neurogenetics - Pierfranco and Luisa Mariani Centre for the Study of Mitochondrial Disorders in Children, Foundation IRCCS Neurological Institute C. Besta, Via Temolo 4, Milan 20126, Italy
- Department of Child Neurology, Foundation IRCCS Neurological Institute C. Besta, Via Celoria 11, Milan 20133, Italy
- Department of Medicine and Surgery, PhD Programme in Molecular and Translational Medicine, University of Milan Bicocca, Via Cadore 48, Monza 20900, Italy
| | - Valeria Tiranti
- Unit of Molecular Neurogenetics - Pierfranco and Luisa Mariani Centre for the Study of Mitochondrial Disorders in Children, Foundation IRCCS Neurological Institute C. Besta, Via Temolo 4, Milan 20126, Italy
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39
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Probing the ligand preferences of the three types of bacterial pantothenate kinase. Bioorg Med Chem 2018; 26:5896-5902. [DOI: 10.1016/j.bmc.2018.10.042] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2018] [Revised: 10/23/2018] [Accepted: 10/29/2018] [Indexed: 12/16/2022]
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40
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Sharma LK, Subramanian C, Yun MK, Frank MW, White SW, Rock CO, Lee RE, Jackowski S. A therapeutic approach to pantothenate kinase associated neurodegeneration. Nat Commun 2018; 9:4399. [PMID: 30352999 PMCID: PMC6199309 DOI: 10.1038/s41467-018-06703-2] [Citation(s) in RCA: 41] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2018] [Accepted: 09/20/2018] [Indexed: 12/17/2022] Open
Abstract
Pantothenate kinase (PANK) is a metabolic enzyme that regulates cellular coenzyme A (CoA) levels. There are three human PANK genes, and inactivating mutations in PANK2 lead to pantothenate kinase associated neurodegeneration (PKAN). Here we performed a library screen followed by chemical optimization to produce PZ-2891, an allosteric PANK activator that crosses the blood brain barrier. PZ-2891 occupies the pantothenate pocket and engages the dimer interface to form a PANK•ATP•Mg2+•PZ-2891 complex. The binding of PZ-2891 to one protomer locks the opposite protomer in a catalytically active conformation that is refractory to acetyl-CoA inhibition. Oral administration of PZ-2891 increases CoA levels in mouse liver and brain. A knockout mouse model of brain CoA deficiency exhibited weight loss, severe locomotor impairment and early death. Knockout mice on PZ-2891 therapy gain weight, and have improved locomotor activity and life span establishing pantazines as novel therapeutics for the treatment of PKAN.
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Affiliation(s)
- Lalit Kumar Sharma
- Department of Infectious Diseases, St. Jude Children's Research Hospital, Memphis, TN, 38105, USA
- Department of Chemical Biology and Therapeutics, St. Jude Children's Research Hospital, Memphis, TN, 38105, USA
- Nurix, Inc, 1700 Owens Street, Suite 205, San Francisco, CA, 94158, USA
| | - Chitra Subramanian
- Department of Infectious Diseases, St. Jude Children's Research Hospital, Memphis, TN, 38105, USA
| | - Mi-Kyung Yun
- Department of Structural Biology, St. Jude Children's Research Hospital, Memphis, TN, 38105, USA
| | - Matthew W Frank
- Department of Infectious Diseases, St. Jude Children's Research Hospital, Memphis, TN, 38105, USA
| | - Stephen W White
- Department of Structural Biology, St. Jude Children's Research Hospital, Memphis, TN, 38105, USA
| | - Charles O Rock
- Department of Infectious Diseases, St. Jude Children's Research Hospital, Memphis, TN, 38105, USA
| | - Richard E Lee
- Department of Chemical Biology and Therapeutics, St. Jude Children's Research Hospital, Memphis, TN, 38105, USA
| | - Suzanne Jackowski
- Department of Infectious Diseases, St. Jude Children's Research Hospital, Memphis, TN, 38105, USA.
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41
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Overexpression of Human Mutant PANK2 Proteins Affects Development and Motor Behavior of Zebrafish Embryos. Neuromolecular Med 2018; 21:120-131. [PMID: 30141000 DOI: 10.1007/s12017-018-8508-8] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2018] [Accepted: 08/17/2018] [Indexed: 02/07/2023]
Abstract
Pantothenate Kinase-Associated Neurodegeneration (PKAN) is a genetic and early-onset neurodegenerative disorder characterized by iron accumulation in the basal ganglia. It is due to mutations in Pantothenate Kinase 2 (PANK2), an enzyme that catalyzes the phosphorylation of vitamin B5, first and essential step in coenzyme A (CoA) biosynthesis. Most likely, an unbalance of the neuronal levels of this important cofactor represents the initial trigger of the neurodegenerative process, yet a complete understanding of the connection between PANK2 malfunctioning and neuronal death is lacking. Most PKAN patients carry mutations in both alleles and a loss of function mechanism is proposed to explain the pathology. When PANK2 mutants were analyzed for stability, dimerization capacity, and enzymatic activity in vitro, many of them showed properties like the wild-type form. To further explore this aspect, we overexpressed the wild-type protein, two mutant forms with reduced kinase activity and two retaining the catalytic activity in zebrafish embryos and analyzed the morpho-functional consequences. While the wild-type protein had no effects, all mutant proteins generated phenotypes that partially resembled those observed in pank2 and coasy morphants and were rescued by CoA and vitamin B5 supplementation. The overexpression of PANK2 mutant forms appears to be associated with perturbation in CoA availability, irrespective of their catalytic activity.
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A framework for large-scale metabolome drug profiling links coenzyme A metabolism to the toxicity of anti-cancer drug dichloroacetate. Commun Biol 2018; 1:101. [PMID: 30271981 PMCID: PMC6123704 DOI: 10.1038/s42003-018-0111-x] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2018] [Accepted: 07/16/2018] [Indexed: 12/15/2022] Open
Abstract
Metabolic profiling of cell line collections has become an invaluable tool to study disease etiology, drug modes of action and to select personalized treatments. However, large-scale in vitro dynamic metabolic profiling is limited by time-consuming sampling and complex measurement procedures. By adapting a mass spectrometry-based metabolomics workflow for high-throughput profiling of diverse adherent mammalian cells, we establish a framework for the rapid measurement and analysis of drug-induced dynamic changes in intracellular metabolites. This methodology is scalable to large compound libraries and is here applied to study the mechanism underlying the toxic effect of dichloroacetate in ovarian cancer cell lines. System-level analysis of the metabolic responses revealed a key and unexpected role of CoA biosynthesis in dichloroacetate toxicity and the more general importance of CoA homeostasis across diverse human cell lines. The herein-proposed strategy for high-content drug metabolic profiling is complementary to other molecular profiling techniques, opening new scientific and drug-discovery opportunities.
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43
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Cao C, Shi H, Zhang M, Bo L, Hu L, Li S, Chen S, Jia S, Liu YJ, Liu YL, Zhao X, Zhang L. Metabonomic analysis of toxic action of long-term low-level exposure to acrylamide in rat serum. Hum Exp Toxicol 2018; 37:1282-1292. [DOI: 10.1177/0960327118769708] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
This study assessed the effects of long-term, low-dose acrylamide (AA) administration in rats using ultra-performance liquid chromatography–mass spectrometry. Forty male Wistar rats were randomly divided into the following four groups: control, low-dose AA (0.2 mg/kg BW), middle-dose AA (1 mg/kg BW), and high-dose AA (5 mg/kg BW). AA was administered to rats via drinking water ad libitum. After 16-week treatment, rat serum was collected for metabonomic analysis. Biochemical tests were further conducted to verify metabolic alterations. Eleven metabolites were identified with significant changes in intensities (increased or reduced) as a result of treatment. These metabolites included citric acid, pantothenic acid, isobutyryl-l-carnitine, eicosapentaenoic acid, docosahexaenoic acid, sphingosine 1-phosphate, LysoPC(20:4), LysoPC(22:6), LysoPE(20:3), undecanedioic acid, and dodecanedioic acid. Results indicate that chronic exposure to AA at no observed adverse effect level does not exert a toxic effect on rats at the body metabolism level. AA disturbed the metabolism of lipids and energy, affected the nervous system of rats, and induced oxidative stress and liver dysfunction.
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Affiliation(s)
- C Cao
- Department of Nutrition and Food Hygiene, Public Health College, Harbin Medical University, Harbin, Heilongjiang, China
| | - H Shi
- Department of Nutrition and Food Hygiene, Public Health College, Harbin Medical University, Harbin, Heilongjiang, China
| | - M Zhang
- Department of Nutrition and Food Hygiene, Public Health College, Harbin Medical University, Harbin, Heilongjiang, China
| | - L Bo
- Department of Nutrition and Food Hygiene, Public Health College, Harbin Medical University, Harbin, Heilongjiang, China
| | - L Hu
- Department of Nutrition and Food Hygiene, Public Health College, Harbin Medical University, Harbin, Heilongjiang, China
| | - S Li
- Department of Nutrition and Food Hygiene, Public Health College, Harbin Medical University, Harbin, Heilongjiang, China
| | - S Chen
- Department of Nutrition and Food Hygiene, Public Health College, Harbin Medical University, Harbin, Heilongjiang, China
| | - S Jia
- Department of Nutrition and Food Hygiene, Public Health College, Harbin Medical University, Harbin, Heilongjiang, China
| | - YJ Liu
- Department of Nutrition and Food Hygiene, Public Health College, Harbin Medical University, Harbin, Heilongjiang, China
| | - YL Liu
- Department of Nutrition and Food Hygiene, Public Health College, Harbin Medical University, Harbin, Heilongjiang, China
| | - X Zhao
- Department of Nutrition and Food Hygiene, Public Health College, Harbin Medical University, Harbin, Heilongjiang, China
| | - L Zhang
- College of Pharmacy, Harbin Medical University, Harbin, Heilongjiang, China
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44
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Shumar SA, Kerr EW, Geldenhuys WJ, Montgomery GE, Fagone P, Thirawatananond P, Saavedra H, Gabelli SB, Leonardi R. Nudt19 is a renal CoA diphosphohydrolase with biochemical and regulatory properties that are distinct from the hepatic Nudt7 isoform. J Biol Chem 2018; 293:4134-4148. [PMID: 29378847 PMCID: PMC5857999 DOI: 10.1074/jbc.ra117.001358] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2017] [Revised: 01/26/2018] [Indexed: 12/31/2022] Open
Abstract
CoA is the major acyl carrier in mammals and a key cofactor in energy metabolism. Dynamic regulation of CoA in different tissues and organs supports metabolic flexibility. Two mammalian Nudix hydrolases, Nudt19 and Nudt7, degrade CoA in vitro Nudt19 and Nudt7 possess conserved Nudix and CoA signature sequences and specifically hydrolyze the diphosphate bond of free CoA and acyl-CoAs to form 3',5'-ADP and 4'-(acyl)phosphopantetheine. Limited information is available on these enzymes, but the relatively high abundance of Nudt19 and Nudt7 mRNA in the kidney and liver, respectively, suggests that they play specific roles in the regulation of CoA levels in these organs. Here, we analyzed Nudt19-/- mice and found that deletion of Nudt19 elevates kidney CoA levels in mice fed ad libitum, indicating that Nudt19 contributes to the regulation of CoA in vivo Unlike what was observed for the regulation of Nudt7 in the liver, Nudt19 transcript and protein levels in the kidney did not differ between fed and fasted states. Instead, we identified chenodeoxycholic acid as a specific Nudt19 inhibitor that competed with CoA for Nudt19 binding but did not bind to Nudt7. Exchange of the Nudix and CoA signature motifs between the two isoforms dramatically decreased their kcat Furthermore, substitutions of conserved residues within these motifs identified amino acids playing different roles in CoA binding and hydrolysis in Nudt19 and Nudt7. Our results reveal that the kidney and liver each possesses a distinct peroxisomal CoA diphosphohydrolase.
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Affiliation(s)
| | | | - Werner J Geldenhuys
- Pharmaceutical Sciences, West Virginia University, Morgantown, West Virginia 26501 and
| | | | | | - Puchong Thirawatananond
- the Departments of Biophysics and Biophysical Chemistry
- Oncology, Johns Hopkins University School of Medicine, Baltimore, Maryland 21205
| | | | - Sandra B Gabelli
- the Departments of Biophysics and Biophysical Chemistry
- Oncology, Johns Hopkins University School of Medicine, Baltimore, Maryland 21205
- Medicine, and
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45
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Spry C, Sewell AL, Hering Y, Villa MV, Weber J, Hobson SJ, Harnor SJ, Gul S, Marquez R, Saliba KJ. Structure-activity analysis of CJ-15,801 analogues that interact with Plasmodium falciparum pantothenate kinase and inhibit parasite proliferation. Eur J Med Chem 2018; 143:1139-1147. [DOI: 10.1016/j.ejmech.2017.08.050] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2017] [Revised: 08/22/2017] [Accepted: 08/22/2017] [Indexed: 12/25/2022]
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46
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Efficient one-pot enzymatic synthesis of dephospho coenzyme A. Bioorg Chem 2017; 76:23-27. [PMID: 29107839 DOI: 10.1016/j.bioorg.2017.10.012] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2017] [Revised: 10/06/2017] [Accepted: 10/22/2017] [Indexed: 11/23/2022]
Abstract
Dephospho coenzyme A (depCoA) is the last intermediate for CoA biosynthesis, and it can be used as a transcription initiator to prepare CoA-linked RNA by in vitro transcription. However, commercially available depCoA is expensive. We hereby describe a simple and efficient enzymatic synthesis of depCoA in a single-step from commercially available and inexpensive oxidized pantethine (Ox-Pan) and ATP. A plasmid (pCoaDAa) was constructed to co-express and co-purify two enzymes pantothenate kinase (PanK/coaA) and phosphopantetheine adenylyltransferase (PPAT/coaD). Starting from Ox-Pan and ATP, two different synthetic routes of one-pot reaction catalyzed by PanK and PPAT, followed by a simple column purification step, afforded depCoA and its oxidized dimer (Ox-depCoA) with high yields and purity. The simplicity and low cost of our method should make depCoA easily accessible to a broad scientific community, and promote research on CoA-related areas in biology and biomedicine.
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47
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Di Meo I, Colombelli C, Srinivasan B, de Villiers M, Hamada J, Jeong SY, Fox R, Woltjer RL, Tepper PG, Lahaye LL, Rizzetto E, Harrs CH, de Boer T, van der Zwaag M, Jenko B, Čusak A, Pahor J, Kosec G, Grzeschik NA, Hayflick SJ, Tiranti V, Sibon OCM. Acetyl-4'-phosphopantetheine is stable in serum and prevents phenotypes induced by pantothenate kinase deficiency. Sci Rep 2017; 7:11260. [PMID: 28900161 PMCID: PMC5595861 DOI: 10.1038/s41598-017-11564-8] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2017] [Accepted: 08/09/2017] [Indexed: 01/22/2023] Open
Abstract
Coenzyme A is an essential metabolite known for its central role in over one hundred cellular metabolic reactions. In cells, Coenzyme A is synthesized de novo in five enzymatic steps with vitamin B5 as the starting metabolite, phosphorylated by pantothenate kinase. Mutations in the pantothenate kinase 2 gene cause a severe form of neurodegeneration for which no treatment is available. One therapeutic strategy is to generate Coenzyme A precursors downstream of the defective step in the pathway. Here we describe the synthesis, characteristics and in vivo rescue potential of the acetyl-Coenzyme A precursor S-acetyl-4′-phosphopantetheine as a possible treatment for neurodegeneration associated with pantothenate kinase deficiency.
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Affiliation(s)
- Ivano Di Meo
- Division of Molecular Neurogenetics, IRCCS Foundation Neurological Institute "C.Besta" Via Temolo 4, 20126, Milano, Italy
| | - Cristina Colombelli
- Division of Molecular Neurogenetics, IRCCS Foundation Neurological Institute "C.Besta" Via Temolo 4, 20126, Milano, Italy
| | - Balaji Srinivasan
- Department of Cell Biology, University Medical Center Groningen, University of Groningen, Ant. Deusinglaan 1, 9713 AV, Groningen, The Netherlands
| | - Marianne de Villiers
- Department of Biochemistry, Stellenbosch University, Stellenbosch, 7600, South Africa
| | - Jeffrey Hamada
- Departments of Molecular & Medical Genetics and Pathology, Oregon Health & Science University, Portland, OR, 97239, USA
| | - Suh Y Jeong
- Departments of Molecular & Medical Genetics and Pathology, Oregon Health & Science University, Portland, OR, 97239, USA
| | - Rachel Fox
- Departments of Molecular & Medical Genetics and Pathology, Oregon Health & Science University, Portland, OR, 97239, USA
| | - Randall L Woltjer
- Departments of Molecular & Medical Genetics and Pathology, Oregon Health & Science University, Portland, OR, 97239, USA
| | - Pieter G Tepper
- Department of Chemical and Pharmaceutical Biology, University of Groningen, Ant. Deusinglaan 1, 9713 AV, Groningen, The Netherlands
| | - Liza L Lahaye
- Department of Cell Biology, University Medical Center Groningen, University of Groningen, Ant. Deusinglaan 1, 9713 AV, Groningen, The Netherlands
| | - Emanuela Rizzetto
- Clinical Pathology and Medical Genetics Unit, Foundation IRCCS-Neurological Institute "Carlo Besta", Milano, Italy
| | - Clara H Harrs
- Department of Cell Biology, University Medical Center Groningen, University of Groningen, Ant. Deusinglaan 1, 9713 AV, Groningen, The Netherlands
| | - Theo de Boer
- Analytical Biochemical Laboratory (ABL), WA Scholtenstraat 7, 9403 AJ, Assen, The Netherlands
| | - Marianne van der Zwaag
- Department of Cell Biology, University Medical Center Groningen, University of Groningen, Ant. Deusinglaan 1, 9713 AV, Groningen, The Netherlands
| | - Branko Jenko
- Acies Bio d.o.o., Tehnološki park 21, 1000, Ljubljana, Slovenia
| | - Alen Čusak
- Acies Bio d.o.o., Tehnološki park 21, 1000, Ljubljana, Slovenia
| | - Jerca Pahor
- Acies Bio d.o.o., Tehnološki park 21, 1000, Ljubljana, Slovenia.,Laboratory of Organic and Bioorganic Chemistry, Department of Physical and Organic Chemistry, Jožef Stefan Institute, Jamova 39, 1000, Ljubljana, Slovenia
| | - Gregor Kosec
- Acies Bio d.o.o., Tehnološki park 21, 1000, Ljubljana, Slovenia
| | - Nicola A Grzeschik
- Department of Cell Biology, University Medical Center Groningen, University of Groningen, Ant. Deusinglaan 1, 9713 AV, Groningen, The Netherlands
| | - Susan J Hayflick
- Departments of Molecular & Medical Genetics and Pathology, Oregon Health & Science University, Portland, OR, 97239, USA
| | - Valeria Tiranti
- Division of Molecular Neurogenetics, IRCCS Foundation Neurological Institute "C.Besta" Via Temolo 4, 20126, Milano, Italy
| | - Ody C M Sibon
- Department of Cell Biology, University Medical Center Groningen, University of Groningen, Ant. Deusinglaan 1, 9713 AV, Groningen, The Netherlands.
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48
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Hart RJ, Abraham A, Aly ASI. Genetic Characterization of Coenzyme A Biosynthesis Reveals Essential Distinctive Functions during Malaria Parasite Development in Blood and Mosquito. Front Cell Infect Microbiol 2017; 7:260. [PMID: 28676844 PMCID: PMC5476742 DOI: 10.3389/fcimb.2017.00260] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2017] [Accepted: 06/02/2017] [Indexed: 12/23/2022] Open
Abstract
Coenzyme A (CoA) is an essential universal cofactor for all prokaryotic and eukaryotic cells. In nearly all non-photosynthetic cells, CoA biosynthesis depends on the uptake and phosphorylation of vitamin B5 (pantothenic acid or pantothenate). Recently, putative pantothenate transporter (PAT) and pantothenate kinases (PanKs) were functionally characterized in P. yoelii. PAT and PanKs were shown to be dispensable for blood stage development, but they were essential for mosquito stages development. Yet, little is known about the cellular functions of the other enzymes of the CoA biosynthesis pathway in malaria parasite life cycle stages. All enzymes of this pathway were targeted for deletion or deletion/complementation analyses by knockout/knock-in plasmid constructs to reveal their essential roles in P. yoelii life cycle stages. The intermediate enzymes PPCS (Phosphopantothenylcysteine Synthase), PPCDC (Phosphopantothenylcysteine Decarboxylase) were shown to be dispensable for asexual and sexual blood stage development, but they were essential for oocyst development and the production of sporozoites. However, the last two enzymes of this pathway, PPAT (Phosphopantetheine Adenylyltransferase) and DPCK (Dephospho-CoA Kinase), were essential for blood stage development. These results indicate alternative first substrate requirement for the malaria parasite, other than the canonical pantothenate, for the synthesis of CoA in the blood but not inside the mosquito midgut. Collectively, our data shows that CoA de novo biosynthesis is essential for both blood and mosquito stages, and thus validates the enzymes of this pathway as potential antimalarial targets.
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Affiliation(s)
- Robert J Hart
- Department of Tropical Medicine, Tulane UniversityNew Orleans, LA, United States
| | - Amanah Abraham
- Department of Tropical Medicine, Tulane UniversityNew Orleans, LA, United States
| | - Ahmed S I Aly
- Department of Tropical Medicine, Tulane UniversityNew Orleans, LA, United States
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49
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Corbin DR, Rehg JE, Shepherd DL, Stoilov P, Percifield RJ, Horner L, Frase S, Zhang YM, Rock CO, Hollander JM, Jackowski S, Leonardi R. Excess coenzyme A reduces skeletal muscle performance and strength in mice overexpressing human PANK2. Mol Genet Metab 2017; 120:350-362. [PMID: 28189602 PMCID: PMC5382100 DOI: 10.1016/j.ymgme.2017.02.001] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/31/2017] [Accepted: 02/01/2017] [Indexed: 11/23/2022]
Abstract
Coenzyme A (CoA) is a cofactor that is central to energy metabolism and CoA synthesis is controlled by the enzyme pantothenate kinase (PanK). A transgenic mouse strain expressing human PANK2 was derived to determine the physiological impact of PANK overexpression and elevated CoA levels. The Tg(PANK2) mice expressed high levels of the transgene in skeletal muscle and heart; however, CoA was substantially elevated only in skeletal muscle, possibly associated with the comparatively low endogenous levels of acetyl-CoA, a potent feedback inhibitor of PANK2. Tg(PANK2) mice were smaller, had less skeletal muscle mass and displayed significantly impaired exercise tolerance and grip strength. Skeletal myofibers were characterized by centralized nuclei and aberrant mitochondria. Both the content of fully assembled complex I of the electron transport chain and ATP levels were reduced, while markers of oxidative stress were elevated in Tg(PANK2) skeletal muscle. These abnormalities were not detected in the Tg(PANK2) heart muscle, with the exception of spotty loss of cristae organization in the mitochondria. The data demonstrate that excessively high CoA may be detrimental to skeletal muscle function.
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Affiliation(s)
- Deborah R Corbin
- Department of Biochemistry, West Virginia University, Morgantown, WV 26506, USA
| | - Jerold E Rehg
- Department Pathology, St. Jude Children's Research Hospital, Memphis, TN 38105, USA
| | - Danielle L Shepherd
- Department of Exercise Physiology, West Virginia University, Morgantown, WV 26506, USA
| | - Peter Stoilov
- Department of Biochemistry, West Virginia University, Morgantown, WV 26506, USA
| | - Ryan J Percifield
- Department of Biology, West Virginia University, Morgantown, WV 26506, USA
| | - Linda Horner
- Cell and Tissue Imaging-Electron Microscopy Shared Resource, St. Jude Children's Research Hospital, Memphis, TN 38105, USA
| | - Sharon Frase
- Cell and Tissue Imaging-Electron Microscopy Shared Resource, St. Jude Children's Research Hospital, Memphis, TN 38105, USA
| | - Yong-Mei Zhang
- Department of Infectious Diseases, St. Jude Children's Research Hospital, Memphis, TN 38105, USA
| | - Charles O Rock
- Department of Infectious Diseases, St. Jude Children's Research Hospital, Memphis, TN 38105, USA
| | - John M Hollander
- Department of Exercise Physiology, West Virginia University, Morgantown, WV 26506, USA
| | - Suzanne Jackowski
- Department of Infectious Diseases, St. Jude Children's Research Hospital, Memphis, TN 38105, USA
| | - Roberta Leonardi
- Department of Biochemistry, West Virginia University, Morgantown, WV 26506, USA.
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50
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Yang S, Cao C, Chen S, Hu L, Bao W, Shi H, Zhao X, Sun C. Serum Metabolomics Analysis of Quercetin against Acrylamide-Induced Toxicity in Rats. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2016; 64:9237-9245. [PMID: 27933994 DOI: 10.1021/acs.jafc.6b04149] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
The current study aimed to investigate whether quercetin plays a protective role in acrylamide (AA)-induced toxicity using a metabolomics approach. Rats were randomly divided into groups as follows: control, treated with AA [5 mg/kg body weight (bw)], treated with different dosages of quercetin (10 and 50 mg/kg bw, respectively), and treated with two dosages of quercetin plus AA. After a 16 week treatment, rat serum was collected for metabolomics analysis. Biochemical tests and examination of liver histopathology were further conducted to verify metabolic alterations. Twelve metabolites were identified for which intensities were significantly changed (increased or reduced) as a result of the treatment. These metabolites included isorhamnetin, citric acid, pantothenic acid, isobutyryl-l-carnitine, eicosapentaenoic acid, docosahexaenoic acid, sphingosine 1-phosphate, lysoPC(20:4), lysoPC(22:6), lysoPE(20:3), undecanedioic acid, and dodecanedioic acid. The results indicate that quercetin (50 mg/kg bw) exerts partial protective effects on AA-induced toxicity by reducing oxidative stress, protecting the mitochondria, and regulating lipid metabolism.
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Affiliation(s)
- Shuang Yang
- Department of Nutrition and Food Hygiene, Public Health College, Harbin Medical University , 150081 Harbin, Heilongjiang, China
| | - Can Cao
- Department of Nutrition and Food Hygiene, Public Health College, Harbin Medical University , 150081 Harbin, Heilongjiang, China
| | - Shuai Chen
- Department of Nutrition and Food Hygiene, Public Health College, Harbin Medical University , 150081 Harbin, Heilongjiang, China
| | - Liyan Hu
- Department of Nutrition and Food Hygiene, Public Health College, Harbin Medical University , 150081 Harbin, Heilongjiang, China
| | - Wei Bao
- Department of Nutrition and Food Hygiene, Public Health College, Harbin Medical University , 150081 Harbin, Heilongjiang, China
| | - Haidan Shi
- Department of Nutrition and Food Hygiene, Public Health College, Harbin Medical University , 150081 Harbin, Heilongjiang, China
| | - Xiujuan Zhao
- Department of Nutrition and Food Hygiene, Public Health College, Harbin Medical University , 150081 Harbin, Heilongjiang, China
| | - Changhao Sun
- Department of Nutrition and Food Hygiene, Public Health College, Harbin Medical University , 150081 Harbin, Heilongjiang, China
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