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Pontifex CS, Zaman M, Fanganiello RD, Shutt TE, Pfeffer G. Valosin-Containing Protein (VCP): A Review of Its Diverse Molecular Functions and Clinical Phenotypes. Int J Mol Sci 2024; 25:5633. [PMID: 38891822 PMCID: PMC11172259 DOI: 10.3390/ijms25115633] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2024] [Revised: 05/20/2024] [Accepted: 05/20/2024] [Indexed: 06/21/2024] Open
Abstract
In this review we examine the functionally diverse ATPase associated with various cellular activities (AAA-ATPase), valosin-containing protein (VCP/p97), its molecular functions, the mutational landscape of VCP and the phenotypic manifestation of VCP disease. VCP is crucial to a multitude of cellular functions including protein quality control, endoplasmic reticulum-associated degradation (ERAD), autophagy, mitophagy, lysophagy, stress granule formation and clearance, DNA replication and mitosis, DNA damage response including nucleotide excision repair, ATM- and ATR-mediated damage response, homologous repair and non-homologous end joining. VCP variants cause multisystem proteinopathy, and pathology can arise in several tissue types such as skeletal muscle, bone, brain, motor neurons, sensory neurons and possibly cardiac muscle, with the disease course being challenging to predict.
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Affiliation(s)
- Carly S. Pontifex
- Hotchkiss Brain Institute, Department of Clinical Neurosciences, Cumming School of Medicine, University of Calgary, Calgary, AB T2N 1N4, Canada; (C.S.P.); (M.Z.); (T.E.S.)
| | - Mashiat Zaman
- Hotchkiss Brain Institute, Department of Clinical Neurosciences, Cumming School of Medicine, University of Calgary, Calgary, AB T2N 1N4, Canada; (C.S.P.); (M.Z.); (T.E.S.)
- Alberta Child Health Research Institute, Department of Medical Genetics, Cumming School of Medicine, University of Calgary, Calgary, AB T2N 1N4, Canada
- Department of Biochemistry and Molecular Biology, University of Calgary, Calgary, AB T2N 1N4, Canada
| | | | - Timothy E. Shutt
- Hotchkiss Brain Institute, Department of Clinical Neurosciences, Cumming School of Medicine, University of Calgary, Calgary, AB T2N 1N4, Canada; (C.S.P.); (M.Z.); (T.E.S.)
- Alberta Child Health Research Institute, Department of Medical Genetics, Cumming School of Medicine, University of Calgary, Calgary, AB T2N 1N4, Canada
- Department of Biochemistry and Molecular Biology, University of Calgary, Calgary, AB T2N 1N4, Canada
| | - Gerald Pfeffer
- Hotchkiss Brain Institute, Department of Clinical Neurosciences, Cumming School of Medicine, University of Calgary, Calgary, AB T2N 1N4, Canada; (C.S.P.); (M.Z.); (T.E.S.)
- Alberta Child Health Research Institute, Department of Medical Genetics, Cumming School of Medicine, University of Calgary, Calgary, AB T2N 1N4, Canada
- Heritage Medical Research Building 155, 3330 Hospital Dr NW, Calgary, AB T2N 4N1, Canada
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2
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Liu RX, Koyawala N, Thiessen-Philbrook HR, Doshi MD, Reese PP, Hall IE, Mohan S, Parikh CR. Untargeted metabolomics of perfusate and their association with hypothermic machine perfusion and allograft failure. Kidney Int 2023; 103:762-771. [PMID: 36549364 DOI: 10.1016/j.kint.2022.11.020] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2022] [Revised: 10/28/2022] [Accepted: 11/14/2022] [Indexed: 12/24/2022]
Abstract
Although hypothermic machine perfusion (HMP) is associated with improved kidney graft viability and function, the underlying biological mechanisms are unknown. Untargeted metabolomic profiling may identify potential metabolites and pathways that can help assess allograft viability and contribute to organ preservation. Therefore, in this multicenter study, we measured all detectable metabolites in perfusate collected at the beginning and end of deceased-donor kidney perfusion and evaluated their associations with graft failure. In our cohort of 190 kidney transplants, 33 (17%) had death-censored graft failure over a median follow-up of 5.0 years (IQR 3.0-6.1 years). We identified 553 known metabolites in perfusate and characterized their experimental and biological consistency through duplicate samples and unsupervised clustering. After perfusion-time adjustment and false discovery correction, six metabolites in post-HMP perfusate were significantly associated with death-censored graft failure, including alpha-ketoglutarate, 3-carboxy-4-methyl-5-propyl-2-furanpropanoate, 1-carboxyethylphenylalanine, and three glycerol-phosphatidylcholines. All six metabolites were associated with an increased risk of graft failure (Hazard Ratio per median absolute deviation range 1.04-1.45). Four of six metabolites also demonstrated significant interaction with donation after cardiac death with notably greater risk in the donation after cardiac death group (Hazard Ratios up to 1.69). Discarded kidneys did not have significantly different levels of any death-censored graft failure-associated metabolites. On interrogation of pathway analysis, production of reactive oxygen species and increased metabolism of fatty acids were upregulated in kidneys that subsequently developed death-censored graft failure. Thus, further understanding the role of these metabolites may inform the HMP process and help improve the objective evaluation of allograft offers, thereby reducing the discard of potentially viable organs.
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Affiliation(s)
- Richard X Liu
- Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Neel Koyawala
- Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | | | - Mona D Doshi
- Department of Medicine, University of Michigan, Ann Arbor, Michigan, USA
| | - Peter P Reese
- Renal-Electrolyte and Hypertension Division, Department of Medicine, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania, USA
| | - Isaac E Hall
- Division of Nephrology and Hypertension, Department of Internal Medicine, University of Utah School of Medicine, Salt Lake City, Utah, USA
| | - Sumit Mohan
- Department of Medicine, Vagelos College of Physicians and Surgeons, New York, New York, USA; Department of Epidemiology, Mailman School of Public Health, Columbia University, New York, New York, USA
| | - Chirag R Parikh
- Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA.
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3
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Pallisco R, Lazzarino G, Bilotta G, Marroni F, Mangione R, Saab MW, Brundo MV, Pittalà A, Caruso G, Capoccia E, Lazzarino G, Tavazzi B, Bilotta P, Amorini AM. Metabolic Signature of Energy Metabolism Alterations and Excess Nitric Oxide Production in Culture Media Correlate with Low Human Embryo Quality and Unsuccessful Pregnancy. Int J Mol Sci 2023; 24:ijms24010890. [PMID: 36614333 PMCID: PMC9821643 DOI: 10.3390/ijms24010890] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2022] [Revised: 12/20/2022] [Accepted: 12/28/2022] [Indexed: 01/06/2023] Open
Abstract
Notwithstanding the great improvement of ART, the overall rate of successful pregnancies from implanted human embryos is definitely low. The current routine embryo quality assessment is performed only through morphological criteria, which has poor predictive capacity since only a minor percentage of those in the highest class give rise to successful pregnancy. Previous studies highlighted the potentiality of the analysis of metabolites in human embryo culture media, useful for the selection of embryos for implantation. In the present study, we analyzed in blind 66 human embryo culture media at 5 days after in vitro fertilization with the aim of quantifying compounds released by cell metabolism that were not present as normal constituents of the human embryo growth media, including purines, pyrimidines, nitrite, and nitrate. Only some purines were detectable (hypoxanthine and uric acid) in the majority of samples, while nitrite and nitrate were always detectable. When matching biochemical results with morphological evaluation, it was found that low grade embryos (n = 12) had significantly higher levels of all the compounds of interest. Moreover, when matching biochemical results according to successful (n = 17) or unsuccessful (n = 25) pregnancy, it was found that human embryos from the latter group released higher concentrations of hypoxanthine, uric acid, nitrite, and nitrate in the culture media. Additionally, those embryos that developed into successful pregnancies were all associated with the birth of healthy newborns. These results, although carried out on a relatively low number of samples, indicate that the analysis of the aforementioned compounds in the culture media of human embryos is a potentially useful tool for the selection of embryos for implantation, possibly leading to an increase in the overall rate of ART.
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Affiliation(s)
- Romina Pallisco
- Alma Res Fertility Center, Laboratory of Andrology and Embriology, Via Parenzo 12, 00198 Rome, Italy
| | - Giacomo Lazzarino
- Departmental Faculty of Medicine and Surgery, UniCamillus—Saint Camillus International University of Health and Medical Sciences, Via di Sant’Alessandro 8, 00131 Rome, Italy
| | - Gabriele Bilotta
- Departmental Faculty of Medicine and Surgery, UniCamillus—Saint Camillus International University of Health and Medical Sciences, Via di Sant’Alessandro 8, 00131 Rome, Italy
| | - Francesca Marroni
- Departmental Faculty of Medicine and Surgery, UniCamillus—Saint Camillus International University of Health and Medical Sciences, Via di Sant’Alessandro 8, 00131 Rome, Italy
| | - Renata Mangione
- Department of Basic Biotechnological Sciences, Intensive and Perioperative Clinics, Catholic University of Rome, Largo F. Vito 1, 00168 Rome, Italy
| | - Miriam Wissam Saab
- Department of Biomedical and Biotechnological Sciences, Division of Medical Biochemistry, University of Catania, Via S. Sofia 97, 95123 Catania, Italy
| | - Maria Violetta Brundo
- Department of Biology, Geology and Environmental Sciences, Section of Animal Biology, University of Catania, Via Androne 81, 95124 Catania, Italy
| | - Alessandra Pittalà
- Department of Biomedical and Biotechnological Sciences, Division of Medical Biochemistry, University of Catania, Via S. Sofia 97, 95123 Catania, Italy
| | - Giuseppe Caruso
- Department of Drug and Health Sciences, University of Catania, Viale A. Doria 6, 95125 Catania, Italy
| | - Elena Capoccia
- Departmental Faculty of Medicine and Surgery, UniCamillus—Saint Camillus International University of Health and Medical Sciences, Via di Sant’Alessandro 8, 00131 Rome, Italy
| | - Giuseppe Lazzarino
- Department of Biomedical and Biotechnological Sciences, Division of Medical Biochemistry, University of Catania, Via S. Sofia 97, 95123 Catania, Italy
- LTA-Biotech srl, Viale Don Orione 3D, 95047 Paternò, Italy
- Correspondence:
| | - Barbara Tavazzi
- Alma Res Fertility Center, Laboratory of Andrology and Embriology, Via Parenzo 12, 00198 Rome, Italy
| | - Pasquale Bilotta
- Alma Res Fertility Center, Obstetrics and Gynecology, Via Parenzo 12, 00198 Rome, Italy
| | - Angela Maria Amorini
- Department of Biomedical and Biotechnological Sciences, Division of Medical Biochemistry, University of Catania, Via S. Sofia 97, 95123 Catania, Italy
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Kansakar U, Trimarco V, Mone P, Varzideh F, Lombardi A, Santulli G. Choline supplements: An update. Front Endocrinol (Lausanne) 2023; 14:1148166. [PMID: 36950691 PMCID: PMC10025538 DOI: 10.3389/fendo.2023.1148166] [Citation(s) in RCA: 14] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/19/2023] [Accepted: 02/07/2023] [Indexed: 03/08/2023] Open
Abstract
In this comprehensive review, we examine the main preclinical and clinical investigations assessing the effects of different forms of choline supplementation currently available, including choline alfoscerate (C8H20NO6P), also known as alpha-glycerophosphocholine (α-GPC, or GPC), choline bitartrate, lecithin, and citicoline, which are cholinergic compounds and precursors of acetylcholine. Extensively used as food supplements, they have been shown to represent an effective strategy for boosting memory and enhancing cognitive function.
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Affiliation(s)
- Urna Kansakar
- Department of Medicine, Division of Cardiology, Einstein Institute for Aging Research, Montefiore Health System, New York, NY, United States
| | | | - Pasquale Mone
- Department of Medicine, Division of Cardiology, Einstein Institute for Aging Research, Montefiore Health System, New York, NY, United States
- ASL Avellino, Montefiore Health System, New York, NY, United States
| | - Fahimeh Varzideh
- Department of Medicine, Division of Cardiology, Einstein Institute for Aging Research, Montefiore Health System, New York, NY, United States
| | - Angela Lombardi
- Department of Microbiology and Immunology, Montefiore Health System, New York, NY, United States
- *Correspondence: Angela Lombardi,
| | - Gaetano Santulli
- Department of Medicine, Division of Cardiology, Einstein Institute for Aging Research, Montefiore Health System, New York, NY, United States
- University of Naples “Federico II”, Naples, Italy
- Department of Molecular Pharmacology, Einstein-Sinai Diabetes Research Center (ES-DRC), Montefiore Health System, New York, NY, United States
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5
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The Effects of Alpha-Glycerylphosphorylcholine on Heart Rate Variability and Hemodynamic Variables Following Sprint Interval Exercise in Overweight and Obese Women. Nutrients 2022; 14:nu14193970. [PMID: 36235623 PMCID: PMC9572742 DOI: 10.3390/nu14193970] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2022] [Revised: 09/12/2022] [Accepted: 09/19/2022] [Indexed: 11/16/2022] Open
Abstract
The current study examined the effects of Alpha-Glycerylphosphorylcholine (A-GPC) on heart rate variability (HRV) and hemodynamic responses following a sprint interval exercise (SIE) in women who were overweight or obese. Participants (n = 12, 31.0 ± 4.6 years; 29.4 ± 2.1 kg/m2) consumed 1000 mg of A-GPC or a placebo after eating breakfast in a randomized, double-blind cross-over design. After 60 min, participants performed two bouts of the SIE (30 s Wingate) interspersed with 4 min of active recovery (40 rpm). Hemodynamic variables and HRV domains were measured before and 60 min after the A-GPC consumption, immediately after SIE, and every 15 min up to 120 min during recovery. A-GPC consumption increased resting levels of both the time domain (Standard Deviation of RR wave intervals [SDNN] and percentage of interval differences of adjacent RR intervals greater than 50 ms [pNN50%]) and frequency domain (high frequency [HF] and low frequency [LF]) variables of HRV (p < 0.05). Moreover, HRV variables (except for LF/HF) decreased (p < 0.05) immediately after SIE in the A-GPC and placebo sessions. Systolic and diastolic blood pressure increased (p < 0.05) immediately after SIE in both trials. Both HRV and hemodynamic variables recovered (p < 0.05) faster in the A-GPC compared to the placebo session. We concluded that A-GPC consumption recovers HRV and blood pressure faster following strenuous exercise in overweight and obese women, and that it might favorably modify cardiac autonomic function.
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6
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Mitochondrial Side Effects of Surgical Prophylactic Antibiotics Ceftriaxone and Rifaximin Lead to Bowel Mucosal Damage. Int J Mol Sci 2022; 23:ijms23095064. [PMID: 35563455 PMCID: PMC9103148 DOI: 10.3390/ijms23095064] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2022] [Revised: 04/28/2022] [Accepted: 04/30/2022] [Indexed: 02/04/2023] Open
Abstract
Despite their clinical effectiveness, a growing body of evidence has shown that many classes of antibiotics lead to mitochondrial dysfunction. Ceftriaxone and Rifaximin are first choice perioperative antibiotics in gastrointestinal surgery targeting fundamental processes of intestinal bacteria; however, may also have negative consequences for the host cells. In this study, we investigated their direct effect on mitochondrial functions in vitro, together with their impact on ileum, colon and liver tissue. Additionally, their impact on the gastrointestinal microbiome was studied in vivo, in a rat model. Rifaximin significantly impaired the oxidative phosphorylation capacity (OxPhos) and leak respiration in the ileal mucosa, in line with increased oxidative tissue damage and histological changes following treatment. Ceftriaxone prophylaxis led to similar changes in the colon mucosa. The composition and diversity of bacterial communities differed extensively in response to antibiotic pre-treatment. However, the relative abundances of the toxin producing species were not increased. We have confirmed the harmful effects of prophylactic doses of Rifaximin and Ceftriaxone on the intestinal mucosa and that these effects were related to the mitochondrial dysfunction. These experiments raise awareness of mitochondrial side effects of these antibiotics that may be of clinical importance when evaluating their adverse effects on bowel mucosa.
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7
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Kong Q, Gu J, Lu R, Huang C, Hu X, Wu W, Lin D. NMR-Based Metabolomic Analysis of Sera in Mouse Models of CVB3-Induced Viral Myocarditis and Dilated Cardiomyopathy. Biomolecules 2022; 12:biom12010112. [PMID: 35053260 PMCID: PMC8773787 DOI: 10.3390/biom12010112] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2021] [Revised: 12/29/2021] [Accepted: 01/06/2022] [Indexed: 02/04/2023] Open
Abstract
Viral myocarditis (VMC) is an inflammatory heart condition which can induce dilated cardiomyopathy (DCM). However, molecular mechanisms underlying the progression of VMC into DCM remain exclusive. Here, we established mouse models of VMC and DCM by infecting male BALB/c mice with Coxsackievirus B3 (CVB3), and performed NMR-based metabonomic analyses of mouse sera. The mouse models covered three pathological stages including: acute VMC (aVMC), chronic VMC (cVMC) and DCM. We recorded 1D 1H-NMR spectra on serum samples and conducted multivariate statistical analysis on the NMR data. We found that metabolic profiles of these three pathological stages were distinct from their normal controls (CON), and identified significant metabolites primarily responsible for the metabolic distinctions. We identified significantly disturbed metabolic pathways in the aVMC, cVMC and DCM stages relative to CON, including: taurine and hypotaurine metabolism; pyruvate metabolism; glycine, serine and threonine metabolism; glycerolipid metabolism. Additionally, we identified potential biomarkers for discriminating a VMC, cVMC and DCM from CON including: taurine, valine and acetate for aVMC; glycerol, valine and leucine for cVMC; citrate, glycine and isoleucine for DCM. This work lays the basis for mechanistically understanding the progression from acute VMC to DCM, and is beneficial to exploitation of potential biomarkers for prognosis and diagnosis of heart diseases.
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Affiliation(s)
- Qing Kong
- Department of Cardiology, The First Affiliated Hospital of Guangxi Medical University, Nanning 530021, China;
| | - Jinping Gu
- Key Laboratory for Chemical Biology of Fujian Province, MOE Key Laboratory of Spectrochemical Analysis & Instrumentation, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China; (J.G.); (R.L.); (X.H.)
- Key Laboratory for Green Pharmaceutical Technologies and Related Equipment of Ministry of Education, College of Pharmaceutical Sciences, Zhejiang University of Technology, Hangzhou 310014, China
| | - Ruohan Lu
- Key Laboratory for Chemical Biology of Fujian Province, MOE Key Laboratory of Spectrochemical Analysis & Instrumentation, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China; (J.G.); (R.L.); (X.H.)
| | - Caihua Huang
- Research and Communication Center of Exercise and Health, Xiamen University of Technology, Xiamen 361024, China;
| | - Xiaomin Hu
- Key Laboratory for Chemical Biology of Fujian Province, MOE Key Laboratory of Spectrochemical Analysis & Instrumentation, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China; (J.G.); (R.L.); (X.H.)
| | - Weifeng Wu
- Department of Cardiology, The First Affiliated Hospital of Guangxi Medical University, Nanning 530021, China;
- Correspondence: (W.W.); (D.L.); Tel.: +86-771-5358955 (W.W.); +86-592-2186078 (D.L.)
| | - Donghai Lin
- Key Laboratory for Chemical Biology of Fujian Province, MOE Key Laboratory of Spectrochemical Analysis & Instrumentation, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China; (J.G.); (R.L.); (X.H.)
- Correspondence: (W.W.); (D.L.); Tel.: +86-771-5358955 (W.W.); +86-592-2186078 (D.L.)
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8
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Pla-Pagà L, Pedret A, Valls RM, Calderón-Pérez L, Llauradó E, Companys J, Martín-Luján F, Moragas A, Canela N, Puiggròs F, Caimari A, Del Bas JM, Arola L, Solà R, Mayneris-Perxachs J. Effects of Hesperidin Consumption on the Cardiovascular System in Pre- and Stage 1 Hypertensive Subjects: Targeted and Non-Targeted Metabolomic Approaches (CITRUS Study). Mol Nutr Food Res 2021; 65:e2001175. [PMID: 34272817 DOI: 10.1002/mnfr.202001175] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2020] [Revised: 06/18/2021] [Indexed: 12/20/2022]
Abstract
SCOPE The aim of the present work is to determine new biomarkers of the biological effects of hesperidin in orange juice (OJ) applying a non-targeted metabolomics approach validated by targeted metabolomics analyses of compliance biomarkers. METHODS AND RESULTS Plasma/serum and urine targeted (HPLC-MS/MS) and untargeted (1 H-NMR) metabolomics signatures are explored in a subsample with pre- and stage-1 hypertension subjects of the CITRUS study (N = 159). Volunteers received 500 mL day-1 of control drink, OJ, or hesperidin-enriched OJ (EOJ) for 12-weeks. A 6-h postprandrial study is performed at baseline. Targeted analyses reveals plasma and urine hesperetin 7-O-β-d-glucuronide as the only metabolite differing between OJ and EOJ groups after 12-weeks consumption, and in urine is correlated with a decreased systolic blood pressure level. The non-targeted approach shows that after single dose and 12-weeks consumption of OJ and EOJ change several metabolites related with an anti-inflammatory and antioxidant actions, lower blood pressure levels and uremic toxins. CONCLUSIONS Hesperetin 7-O-β-d-glucuronide can be a candidate marker for distinguishing between the consumption of different hesperidin doses at 12-weeks consumption as well as a potential agent mediating blood pressure reduction. Moreover, changes in different endogenous metabolites can explain the mechanisms of action and the biological effects of hesperidin consumption.
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Affiliation(s)
- L Pla-Pagà
- Eurecat, Centre Tecnològic de Catalunya, Unitat de Nutrició i Salut, Reus, Spain.,Facultat de Medicina i Ciències de la Salut, Functional Nutrition, Oxidation and Cardiovascular Disease Group (NFOC-Salut), Universitat Rovira i Virgili, Reus, Spain
| | - A Pedret
- Eurecat, Centre Tecnològic de Catalunya, Unitat de Nutrició i Salut, Reus, Spain.,Facultat de Medicina i Ciències de la Salut, Functional Nutrition, Oxidation and Cardiovascular Disease Group (NFOC-Salut), Universitat Rovira i Virgili, Reus, Spain
| | - R M Valls
- Eurecat, Centre Tecnològic de Catalunya, Unitat de Nutrició i Salut, Reus, Spain.,Facultat de Medicina i Ciències de la Salut, Functional Nutrition, Oxidation and Cardiovascular Disease Group (NFOC-Salut), Universitat Rovira i Virgili, Reus, Spain
| | - L Calderón-Pérez
- Eurecat, Centre Tecnològic de Catalunya, Unitat de Nutrició i Salut, Reus, Spain.,Facultat de Medicina i Ciències de la Salut, Functional Nutrition, Oxidation and Cardiovascular Disease Group (NFOC-Salut), Universitat Rovira i Virgili, Reus, Spain
| | - E Llauradó
- Facultat de Medicina i Ciències de la Salut, Functional Nutrition, Oxidation and Cardiovascular Disease Group (NFOC-Salut), Universitat Rovira i Virgili, Reus, Spain
| | - J Companys
- Eurecat, Centre Tecnològic de Catalunya, Unitat de Nutrició i Salut, Reus, Spain.,Facultat de Medicina i Ciències de la Salut, Functional Nutrition, Oxidation and Cardiovascular Disease Group (NFOC-Salut), Universitat Rovira i Virgili, Reus, Spain
| | - F Martín-Luján
- Facultat de Medicina i Ciències de la Salut, Functional Nutrition, Oxidation and Cardiovascular Disease Group (NFOC-Salut), Universitat Rovira i Virgili, Reus, Spain.,Institut Universitari d'Investigació en Atenció Primària-IDIAP Jordi Gol, Tarragona, Spain.,Primary Care Centre Sant Pere, Institut Català de la Salut, Tarragona, Spain
| | - A Moragas
- Facultat de Medicina i Ciències de la Salut, Functional Nutrition, Oxidation and Cardiovascular Disease Group (NFOC-Salut), Universitat Rovira i Virgili, Reus, Spain.,Institut Universitari d'Investigació en Atenció Primària-IDIAP Jordi Gol, Tarragona, Spain.,Primary Care Centre Jaume I, Institut Català de la Salut, Tarragona, Spain
| | - N Canela
- Eurecat, Centre Tecnològic de Catalunya, Unitat de Nutrició i Salut, Reus, Spain.,Eurecat, Centre Tecnològic de Catalunya, Centre for Omic Science, Reus, Spain
| | - F Puiggròs
- Eurecat, Centre Tecnològic de Catalunya, Unitat de Nutrició i Salut, Reus, Spain
| | - A Caimari
- Eurecat, Centre Tecnològic de Catalunya, Unitat de Nutrició i Salut, Reus, Spain
| | - J M Del Bas
- Eurecat, Centre Tecnològic de Catalunya, Unitat de Nutrició i Salut, Reus, Spain
| | - L Arola
- Eurecat, Centre Tecnològic de Catalunya, Unitat de Nutrició i Salut, Reus, Spain
| | - R Solà
- Eurecat, Centre Tecnològic de Catalunya, Unitat de Nutrició i Salut, Reus, Spain.,Facultat de Medicina i Ciències de la Salut, Functional Nutrition, Oxidation and Cardiovascular Disease Group (NFOC-Salut), Universitat Rovira i Virgili, Reus, Spain.,Hospital Universitari Sant Joan, Reus, Spain
| | - J Mayneris-Perxachs
- Eurecat, Centre Tecnològic de Catalunya, Unitat de Nutrició i Salut, Reus, Spain.,Department of Endocrinology, Diabetes and Nutrition, Dr Josep Trueta University Hospital, Girona Biomedical Research Institute (IDIBGI), Girona, Spain
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9
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Warmbrunn MV, Koopen AM, de Clercq NC, de Groot PF, Kootte RS, Bouter KEC, ter Horst KW, Hartstra AV, Serlie MJ, Ackermans MT, Soeters MR, van Raalte DH, Davids M, Nieuwdorp M, Groen AK. Metabolite Profile of Treatment-Naive Metabolic Syndrome Subjects in Relation to Cardiovascular Disease Risk. Metabolites 2021; 11:metabo11040236. [PMID: 33924347 PMCID: PMC8069178 DOI: 10.3390/metabo11040236] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2021] [Revised: 04/02/2021] [Accepted: 04/10/2021] [Indexed: 12/26/2022] Open
Abstract
Metabolic syndrome (MetSyn) is an important risk factor for type 2 diabetes and cardiovascular diseases (CVD). This study aimed to find distinct plasma metabolite profiles between insulin-resistant and non-insulin resistant subjects with MetSyn and evaluate if MetSyn metabolite profiles are related to CVD risk and lipid fluxes. In a cross-sectional study, untargeted metabolomics of treatment-naive males with MetSyn (n = 132) were analyzed together with clinical parameters. In a subset of MetSyn participants, CVD risk was calculated using the Framingham score (n = 111), and lipolysis (n = 39) was measured by a two-step hyperinsulinemic euglycemic clamp using [1,1,2,3,3-2H5] glycerol to calculate lipolysis suppression rates. Peripheral insulin resistance was related to fatty acid metabolism and glycerolphosphorylcholine. Interestingly, although insulin resistance is considered to be a risk factor for CVD, we observed that there was little correspondence between metabolites associated with insulin resistance and metabolites associated with CVD risk. The latter mainly belonged to the androgenic steroid, fatty acid, phosphatidylethanolamine, and phophatidylcholine pathways. These data provide new insights into metabolic changes in mild MetSyn pathophysiology and MetSyn CVD risk related to lipid metabolism. Prospective studies may focus on the pathophysiological role of the here-identified biomarkers.
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Affiliation(s)
- Moritz V. Warmbrunn
- Department of Internal and Vascular Medicine, Amsterdam University Medical Centers, Location AMC, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands; (A.M.K.); (N.C.d.C.); (P.F.d.G.); (R.S.K.); (K.E.C.B.); (A.V.H.); (M.D.); (M.N.)
- Correspondence: (M.V.W.); (A.K.G.)
| | - Annefleur M. Koopen
- Department of Internal and Vascular Medicine, Amsterdam University Medical Centers, Location AMC, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands; (A.M.K.); (N.C.d.C.); (P.F.d.G.); (R.S.K.); (K.E.C.B.); (A.V.H.); (M.D.); (M.N.)
| | - Nicolien C. de Clercq
- Department of Internal and Vascular Medicine, Amsterdam University Medical Centers, Location AMC, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands; (A.M.K.); (N.C.d.C.); (P.F.d.G.); (R.S.K.); (K.E.C.B.); (A.V.H.); (M.D.); (M.N.)
| | - Pieter F. de Groot
- Department of Internal and Vascular Medicine, Amsterdam University Medical Centers, Location AMC, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands; (A.M.K.); (N.C.d.C.); (P.F.d.G.); (R.S.K.); (K.E.C.B.); (A.V.H.); (M.D.); (M.N.)
| | - Ruud S. Kootte
- Department of Internal and Vascular Medicine, Amsterdam University Medical Centers, Location AMC, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands; (A.M.K.); (N.C.d.C.); (P.F.d.G.); (R.S.K.); (K.E.C.B.); (A.V.H.); (M.D.); (M.N.)
| | - Kristien E. C. Bouter
- Department of Internal and Vascular Medicine, Amsterdam University Medical Centers, Location AMC, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands; (A.M.K.); (N.C.d.C.); (P.F.d.G.); (R.S.K.); (K.E.C.B.); (A.V.H.); (M.D.); (M.N.)
| | - Kasper W. ter Horst
- Department of Endocrinology and Metabolism, Amsterdam UMC, Location AMC at University of Amsterdam, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands; (K.W.t.H.); (M.J.S.); (M.T.A.); (M.R.S.)
| | - Annick V. Hartstra
- Department of Internal and Vascular Medicine, Amsterdam University Medical Centers, Location AMC, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands; (A.M.K.); (N.C.d.C.); (P.F.d.G.); (R.S.K.); (K.E.C.B.); (A.V.H.); (M.D.); (M.N.)
| | - Mireille J. Serlie
- Department of Endocrinology and Metabolism, Amsterdam UMC, Location AMC at University of Amsterdam, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands; (K.W.t.H.); (M.J.S.); (M.T.A.); (M.R.S.)
| | - Mariette T. Ackermans
- Department of Endocrinology and Metabolism, Amsterdam UMC, Location AMC at University of Amsterdam, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands; (K.W.t.H.); (M.J.S.); (M.T.A.); (M.R.S.)
| | - Maarten R. Soeters
- Department of Endocrinology and Metabolism, Amsterdam UMC, Location AMC at University of Amsterdam, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands; (K.W.t.H.); (M.J.S.); (M.T.A.); (M.R.S.)
| | - Daniel H. van Raalte
- Diabetes Center, Department of Internal Medicine, Amsterdam UMC, Location VUMC at VU University Medical Centers, De Boelelaan 1117, 1081 HV Amsterdam, The Netherlands;
- Amsterdam UMC, Amsterdam Cardiovascular Sciences, VU University, De Boelelaan 1117, 1081 HV Amsterdam, The Netherlands
| | - Mark Davids
- Department of Internal and Vascular Medicine, Amsterdam University Medical Centers, Location AMC, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands; (A.M.K.); (N.C.d.C.); (P.F.d.G.); (R.S.K.); (K.E.C.B.); (A.V.H.); (M.D.); (M.N.)
| | - Max Nieuwdorp
- Department of Internal and Vascular Medicine, Amsterdam University Medical Centers, Location AMC, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands; (A.M.K.); (N.C.d.C.); (P.F.d.G.); (R.S.K.); (K.E.C.B.); (A.V.H.); (M.D.); (M.N.)
- Wallenberg Laboratory, University of Gothenburg, Bruna Stråket 16, SE-413 45 Göteborg, Sweden
| | - Albert K. Groen
- Department of Internal and Vascular Medicine, Amsterdam University Medical Centers, Location AMC, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands; (A.M.K.); (N.C.d.C.); (P.F.d.G.); (R.S.K.); (K.E.C.B.); (A.V.H.); (M.D.); (M.N.)
- Correspondence: (M.V.W.); (A.K.G.)
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10
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Carli S, Chaabane L, Butti C, De Palma C, Aimar P, Salio C, Vignoli A, Giustetto M, Landsberger N, Frasca A. In vivo magnetic resonance spectroscopy in the brain of Cdkl5 null mice reveals a metabolic profile indicative of mitochondrial dysfunctions. J Neurochem 2021; 157:1253-1269. [PMID: 33448385 DOI: 10.1111/jnc.15300] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2020] [Revised: 10/24/2020] [Accepted: 01/07/2021] [Indexed: 12/12/2022]
Abstract
Mutations in the X-linked CDKL5 gene cause CDKL5 deficiency disorder (CDD), a severe neurodevelopmental condition mainly characterized by infantile epileptic encephalopathy, intellectual disability, and autistic features. The molecular mechanisms underlying the clinical symptoms remain largely unknown and the identification of reliable biomarkers in animal models will certainly contribute to increase our comprehension of CDD as well as to assess the efficacy of therapeutic strategies. Here, we used different Magnetic Resonance (MR) methods to disclose structural, functional, or metabolic signatures of Cdkl5 deficiency in the brain of adult mice. We found that loss of Cdkl5 does not cause cerebral atrophy but affects distinct brain areas, particularly the hippocampus. By in vivo proton-MR spectroscopy (MRS), we revealed in the Cdkl5 null brain a metabolic dysregulation indicative of mitochondrial dysfunctions. Accordingly, we unveiled a significant reduction in ATP levels and a decrease in the expression of complex IV of mitochondrial electron transport chain. Conversely, the number of mitochondria appeared preserved. Importantly, we reported a significant defect in the activation of one of the major regulators of cellular energy balance, the adenosine monophosphate-activated protein kinase (AMPK), that might contribute to the observed metabolic impairment and become an interesting therapeutic target for future preclinical trials. In conclusion, MRS revealed in the Cdkl5 null brain the presence of a metabolic dysregulation suggestive of a mitochondrial dysfunction that permitted to foster our comprehension of Cdkl5 deficiency and brought our interest towards targeting mitochondria as therapeutic strategy for CDD.
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Affiliation(s)
- Sara Carli
- Neuroscience Division, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Linda Chaabane
- Institute of Experimental Neurology (INSPE) and Experimental Imaging Center (CIS), IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Clarissa Butti
- Neuroscience Division, IRCCS San Raffaele Scientific Institute, Milan, Italy.,Molecular Nociception Group, Wolfson Institute for Biomedical Research (WIBR), University College London, London, UK
| | - Clara De Palma
- Department of Medical Biotechnology and Translational Medicine, University of Milan, Segrate (Milan), Italy
| | - Patrizia Aimar
- Department of Veterinary Sciences, University of Turin, Grugliasco, Italy
| | - Chiara Salio
- Department of Veterinary Sciences, University of Turin, Grugliasco, Italy
| | - Aglaia Vignoli
- Epilepsy Center-Child Neuropsychiatric Unit, ASST Santi Paolo e Carlo, Department of Health Sciences, University of Milan, Milan, Italy
| | - Maurizio Giustetto
- Department of Neuroscience, University of Turin, Turin, Italy.,National Institute of Neuroscience-Italy, Turin, Italy
| | - Nicoletta Landsberger
- Neuroscience Division, IRCCS San Raffaele Scientific Institute, Milan, Italy.,Department of Medical Biotechnology and Translational Medicine, University of Milan, Segrate (Milan), Italy
| | - Angelisa Frasca
- Department of Medical Biotechnology and Translational Medicine, University of Milan, Segrate (Milan), Italy
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11
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Liang S, Wang S, Meng Y, Sun C. Enzymatic preparation of glycerophosphatilcholine catalyzed by combinational phospholipases: a comparative study of concerted versus stepwise catalysis. RSC Adv 2020; 10:38727-38735. [PMID: 35518402 PMCID: PMC9057254 DOI: 10.1039/d0ra07012b] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2020] [Accepted: 10/13/2020] [Indexed: 12/16/2022] Open
Abstract
Glycerophosphatilcholine (GPC) is widely applied in medical, pharmaceutical, food and cosmetic industries. Due to the lack of natural resources, enzymatic preparation of GPC has been explored in recent years. This study aimed to investigate and compare the effects of different addition methods of combinational phospholipases (PLA1 and PLA2) and various process parameters (time, temperature, pH, substrate concentrate, enzyme load, and stirring rate) on the preparation of GPC. The results showed that compared with concerted catalysis, the catalytic efficiency of adding PLA2 and then PLA1 (PLA2 → A1) was higher, whereas that of adding PLA1 and then PLA2 was lower. The main reason might be that the method of PLA2 → A1 could reduce acyl migration and the competition between PLA1 and PLA2, which was beneficial to improve the GPC yield and shorten the reaction time. This paper could provide a novel approach for the future preparation of GPC catalyzed by combinational phospholipases. The addition methods of PLA1 and PLA2 had a vital influence on the preparation of GPC, and the method of PLA2 → A1 was the most effective.![]()
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Affiliation(s)
- Shaohua Liang
- College of Food Science and Engineering, Henan University of Technology Lianhua Road 100 Zhengzhou 450001 Henan Province P. R. China +86-371-67758022 +86-371-67758022
| | - Shukun Wang
- College of Food Science and Engineering, Henan University of Technology Lianhua Road 100 Zhengzhou 450001 Henan Province P. R. China +86-371-67758022 +86-371-67758022
| | - Yannan Meng
- College of Food Science and Engineering, Henan University of Technology Lianhua Road 100 Zhengzhou 450001 Henan Province P. R. China +86-371-67758022 +86-371-67758022
| | - Cong Sun
- College of Food Science and Engineering, Henan University of Technology Lianhua Road 100 Zhengzhou 450001 Henan Province P. R. China +86-371-67758022 +86-371-67758022
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12
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Li Y, Wang Y, Zhuang Y, Zhang P, Chen S, Asakawa T, Gao B. Serum Metabolomic Profiles Associated With Untreated Metabolic Syndrome Patients in the Chinese Population. Clin Transl Sci 2020; 13:1271-1278. [PMID: 32543029 PMCID: PMC7719370 DOI: 10.1111/cts.12817] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2020] [Accepted: 04/17/2020] [Indexed: 01/19/2023] Open
Abstract
Metabolomics is a promising technology for elucidating the mechanisms of metabolic syndrome (MetS). However, measurements in patients with MetS under different conditions vary. Metabolomics experiments in different populations and pathophysiological conditions are, therefore, indispensable. We performed a serum metabolomics investigation in untreated patients with MetS in the Chinese population. Untreated patients with MetS were recruited to this study. Metabolites were measured using a traditional 1H nuclear magnetic resonance (NMR) experiment followed by principal component analysis (PCA) and orthogonal partial least squares discriminant analysis (OPLS‐DA). Key metabolic pathways were identified by searching the Kyoto Encyclopedia of Genes and Genomes Pathway Database. A total of 28 patients with MetS and 30 healthy subjects were enrolled. All patients were untreated because they were unaware of or neglected to treat their MetS. By 1H NMR, we identified 49 known substances. Following PCA and OPLS‐DA, 36 metabolites were confirmed to be closely associated with MetS compared with the control group; 33 metabolites were increased, whereas 3 metabolites were reduced. Importantly, 14 metabolites that changed in the serum of these untreated patients with MetS were previously unreported. Pathway analysis revealed the top 15 metabolic pathways associated with untreated MetS, which included 3 amino acid metabolic pathways. Our data suggest that untreated patients exhibit a worse pathophysiologic manifestation, which may result in more rapid progression of MetS. Thus, we propose that health education be reinforced to improve the public’s knowledge, attitude, and practice regarding MetS. The rates of “untreated” patients due to unawareness and neglect must be reduced immediately.
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Affiliation(s)
- Yuanyuan Li
- Research Base of Traditional Chinese Medicine Syndrome, Fujian University of Traditional Chinese Medicine, Fuzhou, China
| | - Yongfa Wang
- Department of Endocrinology, Jinjiang Hospital of Traditional Chinese Medicine, Jinjiang, China
| | - Yaodong Zhuang
- Department of Endocrinology, Jinjiang Hospital of Traditional Chinese Medicine, Jinjiang, China
| | - Ping Zhang
- Research Base of Traditional Chinese Medicine Syndrome, Fujian University of Traditional Chinese Medicine, Fuzhou, China
| | - Shujiao Chen
- Research Base of Traditional Chinese Medicine Syndrome, Fujian University of Traditional Chinese Medicine, Fuzhou, China
| | - Tetsuya Asakawa
- Research Base of Traditional Chinese Medicine Syndrome, Fujian University of Traditional Chinese Medicine, Fuzhou, China.,Department of Neurosurgery, Hamamatsu University School of Medicine, Hamamatsu, Japan
| | - Bizhen Gao
- Research Base of Traditional Chinese Medicine Syndrome, Fujian University of Traditional Chinese Medicine, Fuzhou, China
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13
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Tuboly E, Gáspár R, Ibor MO, Gömöri K, Kiss B, Strifler G, Hartmann P, Ferdinandy P, Bartekova M, Boros M, Görbe A. L-Alpha-glycerylphosphorylcholine can be cytoprotective or cytotoxic in neonatal rat cardiac myocytes: a double-edged sword phenomenon. Mol Cell Biochem 2019; 460:195-203. [PMID: 31280435 PMCID: PMC6745025 DOI: 10.1007/s11010-019-03580-1] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2018] [Accepted: 06/25/2019] [Indexed: 12/12/2022]
Abstract
l-Alpha-glycerylphosphorylcholine (GPC) is a widely used food supplement. GPC has been shown to exert beneficial effects in several organs; however, the cardiac effects of GPC have yet to be investigated. The aim of the present study was therefore to map out the effects of GPC on cardiac myocytes, with or without ischemia–reperfusion insult. Neonatal rat cardiac myocytes were treated with GPC at 1, 10, 80, and 100 µM concentrations for 15 min, 3 h, or 24 h, respectively. Cell viability by calcein assay and the degree of oxidative stress by DHE (superoxide level) and H2DCF (total ROS accumulation) staining were measured. In separate experiments, cardiomyocytes were pre-treated with the optimal concentration of GPC for 3 h and then cells were exposed to 4 h of simulated ischemia followed by 2 h of reperfusion (SI/R). Cell viability was measured at the end of the SI/R protocol. In normoxic conditions, the 15-min and the 3-h GPC treatment did not affect cell viability, total ROS, and superoxide levels. Under SI/R conditions, the 3-h GPC treatment protected the cardiac myocytes from SI/R-induced cell death and did not alter the level of oxidative stress. The 24-h GPC treatment in normoxic conditions resulted in significant cell death and increased oxidative stress at each concentration. Here we provide the first evidence for the cytoprotective effect of short-term GPC treatment. However, long-term administration of GPC may exert cytotoxicity in a wide concentration range in cardiac myocytes. These results may draw attention to a comprehensive cardiac safety protocol for the testing of GPC.
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Affiliation(s)
- Eszter Tuboly
- Faculty of Medicine, Institute of Surgical Research, University of Szeged, Szeged, Hungary
| | - Renáta Gáspár
- Cardiovascular Research Group, Department of Biochemistry, University of Szeged, Szeged, Hungary
| | - Miguel Olias Ibor
- Cardiovascular Research Group, Department of Biochemistry, University of Szeged, Szeged, Hungary
| | - Kamilla Gömöri
- Cardiovascular Research Group, Department of Biochemistry, University of Szeged, Szeged, Hungary
- Pharmahungary Group, Szeged, Hungary
| | - Bernadett Kiss
- Department of Pharmacology and Pharmacotherapy, Semmelweis University, Budapest, Hungary
| | - Gerda Strifler
- Faculty of Medicine, Institute of Surgical Research, University of Szeged, Szeged, Hungary
| | - Petra Hartmann
- Faculty of Medicine, Institute of Surgical Research, University of Szeged, Szeged, Hungary
| | - Péter Ferdinandy
- Department of Pharmacology and Pharmacotherapy, Semmelweis University, Budapest, Hungary
- Pharmahungary Group, Szeged, Hungary
| | - Monika Bartekova
- Centre of Experimental Medicine, Institute for Heart Research, Slovak Academy of Sciences, Bratislava, Slovakia
- Faculty of Medicine, Institute of Physiology, Comenius University in Bratislava, Bratislava, Slovakia
| | - Mihály Boros
- Faculty of Medicine, Institute of Surgical Research, University of Szeged, Szeged, Hungary
| | - Anikó Görbe
- Cardiovascular Research Group, Department of Biochemistry, University of Szeged, Szeged, Hungary.
- Department of Pharmacology and Pharmacotherapy, Semmelweis University, Budapest, Hungary.
- Pharmahungary Group, Szeged, Hungary.
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14
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LINC00116 codes for a mitochondrial peptide linking respiration and lipid metabolism. Proc Natl Acad Sci U S A 2019; 116:4940-4945. [PMID: 30796188 PMCID: PMC6421467 DOI: 10.1073/pnas.1809105116] [Citation(s) in RCA: 74] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
Abstract
Short peptides are encoded in genomes of all organisms and have important functions. Due to the small size of such open reading frames, they are frequently overlooked by automatic genome annotation. We investigated the gene that was misannotated as long noncoding RNA LINC00116 and demonstrated that this gene codes for a 56-amino-acid-long peptide, Mtln, which is localized in mitochondria. Inactivation of the Mtln coding gene leads to reduction of oxygen consumption attributed to respiratory complex I activity and perturbs lipid composition of the cell. This influence is mediated by Mtln interaction with NADH-dependent cytochrome b5 reductase. Disruption of the mitochondrial localization of the latter phenocopies Mtln inactivation. Genes coding for small peptides have been frequently misannotated as long noncoding RNA (lncRNA) genes. Here we have demonstrated that one such transcript is translated into a 56-amino-acid-long peptide conserved in chordates, corroborating the work published while this manuscript was under review. The Mtln peptide could be detected in mitochondria of mouse cell lines and tissues. In line with its mitochondrial localization, lack of the Mtln decreases the activity of mitochondrial respiratory chain complex I. Unlike the integral components and assembly factors of NADH:ubiquinone oxidoreductase, Mtln does not alter its enzymatic activity directly. Interaction of Mtln with NADH-dependent cytochrome b5 reductase stimulates complex I functioning most likely by providing a favorable lipid composition of the membrane. Study of Mtln illuminates the importance of small peptides, whose genes might frequently be misannotated as lncRNAs, for the control of vitally important cellular processes.
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15
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Izu H, Okuda M, Shibata S, Fujii T, Matsubara K. Anti-diabetic effect of S-adenosylmethionine and α-glycerophosphocholine in KK-A y mice. Biosci Biotechnol Biochem 2018; 83:747-750. [PMID: 30582404 DOI: 10.1080/09168451.2018.1559721] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
Six-week-old male KK-Ay mice received drinking water with S-adenosylmethionine (SAM), α-glycerophosphocholine (GPC), or SAM+GPC for 10 weeks. The serum glucose of SAM+GPC at 15 weeks old, total cholesterol of GPC at 12 weeks old, and triglyceride of GPC at 15 weeks old and of SAM at 16 weeks old were reduced. SAM+GPC reduced serum leptin and food intake. Abbreviations: SAM: S-adenosylmethionine; GPC: α-glycerophosphocholine.
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Affiliation(s)
- Hanae Izu
- a Safety and Quality Division , National Research Institute of Brewing , Higashi-Hiroshima , Japan
| | - Mayumi Okuda
- b Department of Human Life Science Education, Graduate School of Education , Hiroshima University , Higashi-Hiroshima , Japan
| | - Sachi Shibata
- c Department of Nutrition and Life Science, Faculty of Life Science and Biotechnology , Fukuyama University , Fukuyama , Japan
| | - Tsutomu Fujii
- a Safety and Quality Division , National Research Institute of Brewing , Higashi-Hiroshima , Japan.,d School of Applied Biological Science, Graduate School of Biosphere Science , Hiroshima University , Higashi-Hiroshima , Japan
| | - Kiminori Matsubara
- b Department of Human Life Science Education, Graduate School of Education , Hiroshima University , Higashi-Hiroshima , Japan
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16
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Sant'Anna-Silva ACB, Santos GC, Campos SPC, Oliveira Gomes AM, Pérez-Valencia JA, Rumjanek FD. Metabolic Profile of Oral Squamous Carcinoma Cell Lines Relies on a Higher Demand of Lipid Metabolism in Metastatic Cells. Front Oncol 2018; 8:13. [PMID: 29456966 PMCID: PMC5801303 DOI: 10.3389/fonc.2018.00013] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2017] [Accepted: 01/16/2018] [Indexed: 01/10/2023] Open
Abstract
Tumor cells are subjected to a broad range of selective pressures. As a result of the imposed stress, subpopulations of surviving cells exhibit individual biochemical phenotypes that reflect metabolic reprograming. The present work aimed at investigating metabolic parameters of cells displaying increasing degrees of metastatic potential. The metabolites present in cell extracts fraction of tongue fibroblasts and of cell lines derived from human tongue squamous cell carcinoma lineages displaying increasing metastatic potential (SCC9 ZsG, LN1 and LN2) were analyzed by 1H NMR (nuclear magnetic resonance) spectroscopy. Living, intact cells were also examined by the non-invasive method of fluorescence lifetime imaging microscopy (FLIM) based on the auto fluorescence of endogenous NADH. The cell lines reproducibly exhibited distinct metabolic profiles confirmed by Partial Least-Square Discriminant Analysis (PLS-DA) of the spectra. Measurement of endogenous free and bound NAD(P)H relative concentrations in the intact cell lines showed that ZsG and LN1 cells displayed high heterogeneity in the energy metabolism, indicating that the cells would oscillate between glycolysis and oxidative metabolism depending on the microenvironment’s composition. However, LN2 cells appeared to have more contributions to the oxidative status, displaying a lower NAD(P)H free/bound ratio. Functional experiments of energy metabolism, mitochondrial physiology, and proliferation assays revealed that all lineages exhibited similar energy features, although resorting to different bioenergetics strategies to face metabolic demands. These differentiated functions may also promote metastasis. We propose that lipid metabolism is related to the increased invasiveness as a result of the accumulation of malonate, methyl malonic acid, n-acetyl and unsaturated fatty acids (CH2)n in parallel with the metastatic potential progression, thus suggesting that the NAD(P)H reflected the lipid catabolic/anabolic pathways.
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Affiliation(s)
- Ana Carolina B Sant'Anna-Silva
- Instituto de Bioquímica Médica Leopoldo de Meis, Centro de Ciências da Saúde, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Gilson C Santos
- Instituto de Bioquímica Médica Leopoldo de Meis, Centro de Ciências da Saúde, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil.,Centro Nacional de Biologia Estrutural e Bioimagem I (CENABIO I)/Centro Nacional de Ressonância Magnética Nuclear (CNRMN), Laboratório de Ressonância Magnética Nuclear de Biomoléculas (bioNMR), Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Samir P Costa Campos
- Instituto de Bioquímica Médica Leopoldo de Meis, Centro de Ciências da Saúde, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - André Marco Oliveira Gomes
- Instituto de Bioquímica Médica Leopoldo de Meis, Centro de Ciências da Saúde, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Juan Alberto Pérez-Valencia
- Instituto de Bioquímica Médica Leopoldo de Meis, Centro de Ciências da Saúde, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Franklin David Rumjanek
- Instituto de Bioquímica Médica Leopoldo de Meis, Centro de Ciências da Saúde, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
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17
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Excessive alcohol consumption induces methane production in humans and rats. Sci Rep 2017; 7:7329. [PMID: 28779149 PMCID: PMC5544731 DOI: 10.1038/s41598-017-07637-3] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2017] [Accepted: 06/30/2017] [Indexed: 12/04/2022] Open
Abstract
Various studies have established the possibility of non-bacterial methane (CH4) generation in oxido-reductive stress conditions in plants and animals. Increased ethanol input is leading to oxido-reductive imbalance in eukaryotes, thus our aim was to provide evidence for the possibility of ethanol-induced methanogenesis in non-CH4 producer humans, and to corroborate the in vivo relevance of this pathway in rodents. Healthy volunteers consumed 1.15 g/kg/day alcohol for 4 days and the amount of exhaled CH4 was recorded by high sensitivity photoacoustic spectroscopy. Additionally, Sprague-Dawley rats were allocated into control, 1.15 g/kg/day and 2.7 g/kg/day ethanol-consuming groups to detect the whole-body CH4 emissions and mitochondrial functions in liver and hippocampus samples with high-resolution respirometry. Mitochondria-targeted L-alpha-glycerylphosphorylcholine (GPC) can increase tolerance to liver injury, thus the effects of GPC supplementations were tested in further ethanol-fed groups. Alcohol consumption was accompanied by significant CH4 emissions in both human and rat series of experiments. 2.7 g/kg/day ethanol feeding reduced the oxidative phosphorylation capacity of rat liver mitochondria, while GPC significantly decreased the alcohol-induced CH4 formation and hepatic mitochondrial dysfunction as well. These data demonstrate a potential for ethanol to influence human methanogenesis, and suggest a biomarker role for exhaled CH4 in association with mitochondrial dysfunction.
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