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Vizuete AFK, Gonçalves CA. Is Methylglyoxal a Potential Biomarker for the Warburg Effect Induced by the Lipopolysaccharide Neuroinflammation Model? Neurochem Res 2024; 49:1823-1837. [PMID: 38727985 DOI: 10.1007/s11064-024-04142-8] [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: 01/16/2024] [Revised: 02/26/2024] [Accepted: 05/02/2024] [Indexed: 06/02/2024]
Abstract
Methylglyoxal (MG) is considered a classical biomarker of diabetes mellitus and its comorbidities. However, a role for this compound in exacerbated immune responses, such as septicemia, is being increasingly observed and requires clarification, particularly in the context of neuroinflammatory responses. Herein, we used two different approaches (in vivo and acute hippocampal slice models) to investigate MG as a biomarker of neuroinflammation and the neuroimmunometabolic shift to glycolysis in lipopolysaccharide (LPS) inflammation models. Our data reinforce the hypothesis that LPS-induced neuroinflammation stimulates the cerebral innate immune response by increasing IL-1β, a classical pro-inflammatory cytokine, and the astrocyte reactive response, via elevating S100B secretion and GFAP levels. Acute neuroinflammation promotes an early neuroimmunometabolic shift to glycolysis by elevating glucose uptake, lactate release, PFK1, and PK activities. We observed high serum and cerebral MG levels, in association with a reduction in glyoxalase 1 detoxification activity, and a close correlation between serum and hippocampus MG levels with the systemic and neuroinflammatory responses to LPS. Findings strongly suggest a role for MG in immune responses.
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Affiliation(s)
- Adriana Fernanda Kuckartz Vizuete
- Laboratory of Calcium-Binding Proteins in the CNS, Department of Biochemistry, Institute of Basic Health Sciences, Universidade Federal do Rio Grande do Sul (UFRGS) Ramio Barcelos, 2600-Anexo, Porto Alegre, RS, 90035-003, Brazil.
- Pos Graduate Program in Biochemistry, Institute of Basic Health Sciences, UFRGS, Porto Alegre, RS, Brazil.
| | - Carlos-Alberto Gonçalves
- Laboratory of Calcium-Binding Proteins in the CNS, Department of Biochemistry, Institute of Basic Health Sciences, Universidade Federal do Rio Grande do Sul (UFRGS) Ramio Barcelos, 2600-Anexo, Porto Alegre, RS, 90035-003, Brazil
- Pos Graduate Program in Biochemistry, Institute of Basic Health Sciences, UFRGS, Porto Alegre, RS, Brazil
- Department of Biochemistry, Institute of Basic Health Sciences, UFRGS, Porto Alegre, RS, Brazil
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2
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Oliveira AL, de Oliveira MG, Mónica FZ, Antunes E. Methylglyoxal and Advanced Glycation End Products (AGEs): Targets for the Prevention and Treatment of Diabetes-Associated Bladder Dysfunction? Biomedicines 2024; 12:939. [PMID: 38790901 PMCID: PMC11118115 DOI: 10.3390/biomedicines12050939] [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: 03/19/2024] [Revised: 04/11/2024] [Accepted: 04/17/2024] [Indexed: 05/26/2024] Open
Abstract
Methylglyoxal (MGO) is a highly reactive α-dicarbonyl compound formed endogenously from 3-carbon glycolytic intermediates. Methylglyoxal accumulated in plasma and urine of hyperglycemic and diabetic individuals acts as a potent peptide glycation molecule, giving rise to advanced glycation end products (AGEs) like arginine-derived hydroimidazolone (MG-H1) and carboxyethyl-lysine (CEL). Methylglyoxal-derived AGEs exert their effects mostly via activation of RAGE, a cell surface receptor that initiates multiple intracellular signaling pathways, favoring a pro-oxidant environment through NADPH oxidase activation and generation of high levels of reactive oxygen species (ROS). Diabetic bladder dysfunction is a bothersome urological complication in patients with poorly controlled diabetes mellitus and may comprise overactive bladder, urge incontinence, poor emptying, dribbling, incomplete emptying of the bladder, and urinary retention. Preclinical models of type 1 and type 2 diabetes have further confirmed the relationship between diabetes and voiding dysfunction. Interestingly, healthy mice supplemented with MGO for prolonged periods exhibit in vivo and in vitro bladder dysfunction, which is accompanied by increased AGE formation and RAGE expression, as well as by ROS overproduction in bladder tissues. Drugs reported to scavenge MGO and to inactivate AGEs like metformin, polyphenols, and alagebrium (ALT-711) have shown favorable outcomes on bladder dysfunction in diabetic obese leptin-deficient and MGO-exposed mice. Therefore, MGO, AGEs, and RAGE levels may be critically involved in the pathogenesis of bladder dysfunction in diabetic individuals. However, there are no clinical trials designed to test drugs that selectively inhibit the MGO-AGEs-RAGE signaling, aiming to reduce the manifestations of diabetes-associated bladder dysfunction. This review summarizes the current literature on the role of MGO-AGEs-RAGE-ROS axis in diabetes-associated bladder dysfunction. Drugs that directly inactivate MGO and ameliorate bladder dysfunction are also reviewed here.
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Affiliation(s)
| | | | | | - Edson Antunes
- Department of Translational Medicine, Pharmacology Area, Faculty of Medical Sciences, University of Campinas (UNICAMP), Campinas 13084-971, SP, Brazil; (A.L.O.); (M.G.d.O.); (F.Z.M.)
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3
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Nyarko K, Greenlief CM. Investigations of Major α-Dicarbonyl Content in U.S. Honey of Different Geographical Origins. Molecules 2024; 29:1588. [PMID: 38611866 PMCID: PMC11013281 DOI: 10.3390/molecules29071588] [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: 02/19/2024] [Revised: 03/31/2024] [Accepted: 04/01/2024] [Indexed: 04/14/2024] Open
Abstract
α-Dicarbonyls are significant degradation products resulting from the Maillard reaction during food processing. Their presence in foods can indicate the extent of heat exposure, processing treatments, and storage conditions. Moreover, they may be useful in providing insights into the potential antibacterial and antioxidant activity of U.S. honey. Despite their importance, the occurrence of α-dicarbonyls in honey produced in the United States has not been extensively studied. This study aims to assess the concentrations of α-dicarbonyls in honey samples from different regions across the United States. The identification and quantification of α-dicarbonyls were conducted using reverse-phase liquid chromatography after derivatization with o-phenylenediamine (OPD) and detected using ultraviolet (UV) and mass spectrometry methods. This study investigated the effects of pH, color, and derivatization reagent on the presence of α-dicarbonyls in honey. The quantification method was validated by estimating the linearity, precision, recovery, method limit of detection, and quantification using known standards for GO, MGO, and 3-DG, respectively. Three major OPD-derivatized α-dicarbonyls including methylglyoxal (MGO), glyoxal (GO), and 3-deoxyglucosone (3-DG), were quantified in all the honey samples. 3-Deoxyglucosone (3-DG) was identified as the predominant α-dicarbonyl in all the U.S. honey samples, with concentrations ranging from 10.80 to 50.24 mg/kg. The total α-dicarbonyl content ranged from 16.81 to 55.74 mg/kg, with the highest concentration measured for Southern California honey. Our results showed no significant correlation between the total α-dicarbonyl content and the measured pH solutions. Similarly, we found that lower amounts of the OPD reagent are optimal for efficient derivatization of MGO, GO, and 3-DG in honey. Our results also indicated that darker types of honey may contain higher α-dicarbonyl content compared with lighter ones. The method validation results yielded excellent recovery rates for 3-DG (82.5%), MGO (75.8%), and GO (67.0%). The method demonstrated high linearity with a limit of detection (LOD) and limit of quantitation (LOQ) ranging from 0.0015 to 0.002 mg/kg and 0.005 to 0.008 mg/kg, respectively. Our results provide insights into the occurrence and concentrations of α-dicarbonyl compounds in U.S. honey varieties, offering valuable information on their quality and susceptibility to thermal processing effects.
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Portillo JAC, Pfaff A, Vos S, Weng M, Nagaraj RH, Subauste CS. Advanced Glycation End Products Upregulate CD40 in Human Retinal Endothelial and Müller Cells: Relevance to Diabetic Retinopathy. Cells 2024; 13:429. [PMID: 38474393 PMCID: PMC10930611 DOI: 10.3390/cells13050429] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2024] [Revised: 02/16/2024] [Accepted: 02/26/2024] [Indexed: 03/14/2024] Open
Abstract
CD40 induces pro-inflammatory responses in endothelial and Müller cells and is required for the development of diabetic retinopathy (DR). CD40 is upregulated in these cells in patients with DR. CD40 upregulation is a central feature of CD40-driven inflammatory disorders. What drives CD40 upregulation in the diabetic retina remains unknown. We examined the role of advanced glycation end products (AGEs) in CD40 upregulation in endothelial cells and Müller cells. Human endothelial cells and Müller cells were incubated with unmodified or methylglyoxal (MGO)-modified fibronectin. CD40 expression was assessed by flow cytometry. The expression of ICAM-1 and CCL2 was examined by flow cytometry or ELISA after stimulation with CD154 (CD40 ligand). The expression of carboxymethyl lysine (CML), fibronectin, and laminin as well as CD40 in endothelial and Müller cells from patients with DR was examined by confocal microscopy. Fibronectin modified by MGO upregulated CD40 in endothelial and Müller cells. CD40 upregulation was functionally relevant. MGO-modified fibronectin enhanced CD154-driven upregulation of ICAM-1 and CCL2 in endothelial and Müller cells. Increased CD40 expression in endothelial and Müller cells from patients with DR was associated with increased CML expression in fibronectin and laminin. These findings identify AGEs as inducers of CD40 upregulation in endothelial and Müller cells and enhancers of CD40-dependent pro-inflammatory responses. CD40 upregulation in these cells is associated with higher CML expression in fibronectin and laminin in patients with DR. This study revealed that CD40 and AGEs, two important drivers of DR, are interconnected.
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Affiliation(s)
- Jose-Andres C. Portillo
- Division of Infectious Diseases and HIV Medicine, Department of Medicine, Case Western Reserve University, Cleveland, OH 44106, USA; (J.-A.C.P.); (A.P.); (S.V.); (M.W.)
| | - Amelia Pfaff
- Division of Infectious Diseases and HIV Medicine, Department of Medicine, Case Western Reserve University, Cleveland, OH 44106, USA; (J.-A.C.P.); (A.P.); (S.V.); (M.W.)
| | - Sarah Vos
- Division of Infectious Diseases and HIV Medicine, Department of Medicine, Case Western Reserve University, Cleveland, OH 44106, USA; (J.-A.C.P.); (A.P.); (S.V.); (M.W.)
| | - Matthew Weng
- Division of Infectious Diseases and HIV Medicine, Department of Medicine, Case Western Reserve University, Cleveland, OH 44106, USA; (J.-A.C.P.); (A.P.); (S.V.); (M.W.)
| | - Ram H. Nagaraj
- Department of Ophthalmology, University of Colorado, Aurora, CO 80045, USA;
| | - Carlos S. Subauste
- Division of Infectious Diseases and HIV Medicine, Department of Medicine, Case Western Reserve University, Cleveland, OH 44106, USA; (J.-A.C.P.); (A.P.); (S.V.); (M.W.)
- Department of Pathology, Case Western Reserve University, Cleveland, OH 44106, USA
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5
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Ivanov SV, Rose KL, Colon S, Hudson BG, Bhave G, Voziyan P. Mechanism of peroxidasin inactivation in hyperglycemia: Heme damage by reactive oxygen species. Biochem Biophys Res Commun 2023; 689:149237. [PMID: 37984175 PMCID: PMC10702573 DOI: 10.1016/j.bbrc.2023.149237] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2023] [Accepted: 11/07/2023] [Indexed: 11/22/2023]
Abstract
Diabetic complications present a serious health problem. Functional damage to proteins due to post-translational modifications by glycoxidation reactions is a known factor contributing to pathology. Extracellular proteins are especially vulnerable to diabetic damage because robust antioxidant defenses are lacking outside the cell. We investigated glucose-induced inactivation of peroxidasin (PXDN), a heme protein catalyzing sulfilimine crosslinking of collagen IV that reinforce the basement membranes (BM). Experiments using physiological diabetic glucose levels were carried out to exclude several potential mechanisms of PXDN inactivation i.e., direct adduction of glucose, reactive carbonyl damage, steric hindrance, and osmotic stress. Further experiments established that PXDN activity was inhibited via heme degradation by reactive oxygen species. Activity of another extracellular heme protein, myeloperoxidase, was unaffected by glucose because its heme was resistant to glucose-induced oxidative degradation. Our findings point to specific mechanisms which may compromise BM structure and stability in diabetes and suggest potential modes of protection.
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Affiliation(s)
- Sergey V Ivanov
- Division of Nephrology, Department of Medicine, Vanderbilt University Medical Center, Nashville, TN, 37232, USA; Vanderbilt Center for Matrix Biology, Vanderbilt University Medical Center, Nashville, TN, 37212, USA
| | - Kristie L Rose
- Department of Biochemistry, Vanderbilt University, Nashville, TN, 37232, USA
| | - Selene Colon
- Division of Nephrology, Department of Medicine, Vanderbilt University Medical Center, Nashville, TN, 37232, USA; Vanderbilt Center for Matrix Biology, Vanderbilt University Medical Center, Nashville, TN, 37212, USA
| | - Billy G Hudson
- Division of Nephrology, Department of Medicine, Vanderbilt University Medical Center, Nashville, TN, 37232, USA; Vanderbilt Center for Matrix Biology, Vanderbilt University Medical Center, Nashville, TN, 37212, USA; Vanderbilt Ingram Cancer Center, Vanderbilt University Medical Center, Nashville, TN, 37232, USA; Vanderbilt Institute of Chemical Biology, Vanderbilt University, Nashville, TN, 37232, USA
| | - Gautam Bhave
- Division of Nephrology, Department of Medicine, Vanderbilt University Medical Center, Nashville, TN, 37232, USA; Vanderbilt Center for Matrix Biology, Vanderbilt University Medical Center, Nashville, TN, 37212, USA; Department of Cell and Developmental Biology, Vanderbilt University, Nashville, TN, 37212, USA; Center for Kidney Disease, Vanderbilt University Medical Center, Nashville, TN, 37232, USA
| | - Paul Voziyan
- Division of Nephrology, Department of Medicine, Vanderbilt University Medical Center, Nashville, TN, 37232, USA; Vanderbilt Center for Matrix Biology, Vanderbilt University Medical Center, Nashville, TN, 37212, USA; Department of Orthopaedic Surgery, Vanderbilt University Medical Center, Nashville, TN, 37232, USA.
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6
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Coccini T, Schicchi A, Locatelli CA, Caloni F, Negri S, Grignani E, De Simone U. Methylglyoxal-induced neurotoxic effects in primary neuronal-like cells transdifferentiated from human mesenchymal stem cells: Impact of low concentrations. J Appl Toxicol 2023; 43:1819-1839. [PMID: 37431083 DOI: 10.1002/jat.4515] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2023] [Revised: 06/12/2023] [Accepted: 06/26/2023] [Indexed: 07/12/2023]
Abstract
In the last decades, advanced glycation end-products (AGEs) have aroused the interest of the scientific community due to the increasing evidence of their involvement in many pathophysiological processes including various neurological disorders and cognitive decline age related. Methylglyoxal (MG) is one of the reactive dicarbonyl precursors of AGEs, mainly generated as a by-product of glycolysis, whose accumulation induces neurotoxicity. In our study, MG cytotoxicity was evaluated employing a human stem cell-derived model, namely, neuron-like cells (hNLCs) transdifferentiated from mesenchymal stem/stromal cells, which served as a source of human based species-specific "healthy" cells. MG increased ROS production and induced the first characteristic apoptotic hallmarks already at low concentrations (≥10 μM), decreased the cell growth (≥5-10 μM) and viability (≥25 μM), altered Glo-1 and Glo-2 enzymes (≥25 μM), and markedly affected the neuronal markers MAP-2 and NSE causing their loss at low MG concentrations (≥10 μM). Morphological alterations started at 100 μM, followed by even more marked effects and cell death after few hours (5 h) from 200 μM MG addition. Substantially, most effects occurred as low as 10 μM, concentration much lower than that reported from previous observations using different in vitro cell-based models (e.g., human neuroblastoma cell lines, primary animal cells, and human iPSCs). Remarkably, this low effective concentration approaches the level range measured in biological samples of pathological subjects. The use of a suitable cellular model, that is, human primary neurons, can provide an additional valuable tool, mimicking better the physiological and biochemical properties of brain cells, in order to evaluate the mechanistic basis of molecular and cellular alterations in CNS.
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Affiliation(s)
- Teresa Coccini
- Laboratory of Clinical and Experimental Toxicology, and Pavia Poison Centre-National Toxicology Information Centre, Toxicology Unit, Istituti Clinici Scientifici Maugeri IRCCS, Pavia, Italy
| | - Azzurra Schicchi
- Laboratory of Clinical and Experimental Toxicology, and Pavia Poison Centre-National Toxicology Information Centre, Toxicology Unit, Istituti Clinici Scientifici Maugeri IRCCS, Pavia, Italy
| | - Carlo Alessandro Locatelli
- Laboratory of Clinical and Experimental Toxicology, and Pavia Poison Centre-National Toxicology Information Centre, Toxicology Unit, Istituti Clinici Scientifici Maugeri IRCCS, Pavia, Italy
| | - Francesca Caloni
- Dipartimento di Scienze e Politiche Ambientali (ESP), Università degli Studi di Milano, Milan, Italy
| | - Sara Negri
- Environmental Research Center, Istituti Clinici Scientifici Maugeri IRCCS, Pavia, Italy
| | - Elena Grignani
- Environmental Research Center, Istituti Clinici Scientifici Maugeri IRCCS, Pavia, Italy
| | - Uliana De Simone
- Laboratory of Clinical and Experimental Toxicology, and Pavia Poison Centre-National Toxicology Information Centre, Toxicology Unit, Istituti Clinici Scientifici Maugeri IRCCS, Pavia, Italy
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7
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Bednarska K, Fecka I, Scheijen JLJM, Ahles S, Vangrieken P, Schalkwijk CG. A Citrus and Pomegranate Complex Reduces Methylglyoxal in Healthy Elderly Subjects: Secondary Analysis of a Double-Blind Randomized Cross-Over Clinical Trial. Int J Mol Sci 2023; 24:13168. [PMID: 37685975 PMCID: PMC10488144 DOI: 10.3390/ijms241713168] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2023] [Revised: 08/18/2023] [Accepted: 08/23/2023] [Indexed: 09/10/2023] Open
Abstract
Reactive α-dicarbonyls (α-DCs), such as methylglyoxal (MGO), glyoxal (GO), and 3-deoxyglucosone (3-DG), are potent precursors in the formation of advanced glycation end products (AGEs). In particular, MGO and MGO-derived AGEs are thought to be involved in the development of vascular complications in diabetes. Experimental studies showed that citrus and pomegranate polyphenols can scavenge α-DCs. Therefore, the aim of this study was to evaluate the effect of a citrus and pomegranate complex (CPC) on the α-DCs plasma levels in a double-blind, placebo-controlled cross-over trial, where thirty-six elderly subjects were enrolled. They received either 500 mg of Citrus sinensis peel extract and 200 mg of Punica granatum concentrate in CPC capsules or placebo capsules for 4 weeks, with a 4-week washout period in between. For the determination of α-DCs concentrations, liquid chromatography tandem mass spectrometry was used. Following four weeks of CPC supplementation, plasma levels of MGO decreased by 9.8% (-18.7 nmol/L; 95% CI: -36.7, -0.7 nmol/L; p = 0.042). Our findings suggest that CPC supplementation may represent a promising strategy for mitigating the conditions associated with MGO involvement. This study was registered on clinicaltrials.gov as NCT03781999.
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Affiliation(s)
- Katarzyna Bednarska
- Department of Pharmacognosy, Faculty of Pharmacy, Wroclaw Medical University, Borowska 211, 50-556 Wroclaw, Poland
| | - Izabela Fecka
- Department of Pharmacognosy, Faculty of Pharmacy, Wroclaw Medical University, Borowska 211, 50-556 Wroclaw, Poland
- The Committee on Therapeutics and Pharmaceutical Sciences, The Polish Academy of Sciences, Pl. Defilad 1, 00-901 Warsaw, Poland
| | - Jean L. J. M. Scheijen
- Department of Internal Medicine, Maastricht University Medical Center+, 6229 ER Maastricht, The Netherlands; (J.L.J.M.S.); (P.V.); (C.G.S.)
- CARIM School for Cardiovascular Diseases, Faculty of Health, Medicine and Life Sciences, Maastricht University, 6229 ER Maastricht, The Netherlands
| | - Sanne Ahles
- Department of Nutrition and Movement Sciences, School of Nutrition and Translational Research in Metabolism (NUTRIM), Maastricht University, 6229 ER Maastricht, The Netherlands;
- BioActor BV, 6229 GS Maastricht, The Netherlands
| | - Philippe Vangrieken
- Department of Internal Medicine, Maastricht University Medical Center+, 6229 ER Maastricht, The Netherlands; (J.L.J.M.S.); (P.V.); (C.G.S.)
- CARIM School for Cardiovascular Diseases, Faculty of Health, Medicine and Life Sciences, Maastricht University, 6229 ER Maastricht, The Netherlands
| | - Casper G. Schalkwijk
- Department of Internal Medicine, Maastricht University Medical Center+, 6229 ER Maastricht, The Netherlands; (J.L.J.M.S.); (P.V.); (C.G.S.)
- CARIM School for Cardiovascular Diseases, Faculty of Health, Medicine and Life Sciences, Maastricht University, 6229 ER Maastricht, The Netherlands
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8
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Shibasaki S, Ueda M. Utilization of Macroalgae for the Production of Bioactive Compounds and Bioprocesses Using Microbial Biotechnology. Microorganisms 2023; 11:1499. [PMID: 37375001 DOI: 10.3390/microorganisms11061499] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2023] [Revised: 05/18/2023] [Accepted: 06/02/2023] [Indexed: 06/29/2023] Open
Abstract
To achieve sustainable development, alternative resources should replace conventional resources such as fossil fuels. In marine ecosystems, many macroalgae grow faster than terrestrial plants. Macroalgae are roughly classified as green, red, or brown algae based on their photosynthetic pigments. Brown algae are considered to be a source of physiologically active substances such as polyphenols. Furthermore, some macroalgae can capture approximately 10 times more carbon dioxide from the atmosphere than terrestrial plants. Therefore, they have immense potential for use in the environment. Recently, macroalgae have emerged as a biomass feedstock for bioethanol production owing to their low lignin content and applicability to biorefinery processes. Herein, we provided an overview of the bioconversion of macroalgae into bioactive substances and biofuels using microbial biotechnology, including engineered yeast designed using molecular display technology.
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Affiliation(s)
- Seiji Shibasaki
- Laboratory of Natural Science, Faculty of Economics, Toyo University, Hakusan Bunkyo-ku, Tokyo 112-8606, Japan
| | - Mitsuyoshi Ueda
- Office of Society-Academia Collaboration for Innovation (SACI), Kyoto University, Yoshidahonmachi, Sakyo-ku, Kyoto 606-8501, Japan
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9
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Liang Z, Jiang Z, Zhang C, Liu Z. A ratiometric fluorescent probe for selective imaging of methylglyoxal in living cells. J Mol Struct 2023. [DOI: 10.1016/j.molstruc.2023.135484] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/03/2023]
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10
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Yan S, Wu L, Xue X. α-Dicarbonyl compounds in food products: Comprehensively understanding their occurrence, analysis, and control. Compr Rev Food Sci Food Saf 2023; 22:1387-1417. [PMID: 36789800 DOI: 10.1111/1541-4337.13115] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2022] [Revised: 12/31/2022] [Accepted: 01/14/2023] [Indexed: 02/16/2023]
Abstract
α-Dicarbonyl compounds (α-DCs) are readily produced during the heating and storage of foods, mainly through the Maillard reaction, caramelization, lipid-peroxidation, and enzymatic reaction. They contribute to both the organoleptic properties (i.e., aroma, taste, and color) and deterioration of foods and are potential indicators of food quality. α-DCs are also important precursors to hazardous substances, such as acrylamide, furan, advanced lipoxidation end products, and advanced glycation end products, which are genotoxic, neurotoxic, and linked to several diseases. Recent studies have indicated that dietary α-DCs can elevate plasma α-DC levels and lead to "dicarbonyl stress." To accurately assess their health risks, quantifying α-DCs in food products is crucial. Considering their low volatility, inability to absorb ultraviolet light, and high reactivity, the analysis of α-DCs in complex food systems is a challenge. In this review, we comprehensively cover the development of scientific approaches, from extraction, enrichment, and derivatization, to sophisticated detection techniques, which are necessary for quantifying α-DCs in different foods. Exposure to α-DCs is inevitable because they exist in most foods. Recently, novel strategies for reducing α-DC levels in foods have become a hot research topic. These strategies include the use of new processing technologies, formula modification, and supplementation with α-DC scavengers (e.g., phenolic compounds). For each strategy, it is important to consider the potential mechanisms underlying the formation and removal of process contaminants. Future studies are needed to develop techniques to control α-DC formation during food processing, and standardized approaches are needed to quantify and compare α-DCs in different foods.
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Affiliation(s)
- Sha Yan
- Institute of Apicultural Research, Chinese Academy of Agricultural Sciences, Beijing, China
- College of Food Science and Engineering, Shanxi Agricultural University, Taigu, China
| | - Liming Wu
- Institute of Apicultural Research, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Xiaofeng Xue
- Institute of Apicultural Research, Chinese Academy of Agricultural Sciences, Beijing, China
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11
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Cruz N, Flores M, Urquiaga I, Ávila F. Modulation of 1,2-Dicarbonyl Compounds in Postprandial Responses Mediated by Food Bioactive Components and Mediterranean Diet. Antioxidants (Basel) 2022; 11:antiox11081513. [PMID: 36009232 PMCID: PMC9405221 DOI: 10.3390/antiox11081513] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2022] [Revised: 07/16/2022] [Accepted: 07/26/2022] [Indexed: 01/17/2023] Open
Abstract
Glycoxidative stress with the consequent generation of advanced glycation end products has been implied in the etiology of numerous non-communicable chronic diseases. During the postprandial state, the levels of 1,2-dicarbonyl compounds can increase, depending on numerous factors, including characteristics of the subjects mainly related to glucose metabolism disorders and nutritional status, as well as properties related to the chemical composition of meals, including macronutrient composition and the presence of dietary bioactive molecules and macromolecules. In this review, we examine the chemical, biochemical, and physiological pathways that contribute to postprandial generation of 1,2-dicarbonyl compounds. The modulation of postprandial 1,2-dicarbonyl compounds is discussed in terms of biochemical pathways regulating the levels of these compounds, as well as the effect of phenolic compounds, dietary fiber, and dietary patterns, such as Mediterranean and Western diets.
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Affiliation(s)
- Nadia Cruz
- Escuela de Nutrición y Dietética, Facultad de Ciencias de la Salud, Universidad de Talca, Campus Lircay, Talca 3460000, Chile;
| | - Marcos Flores
- Departamento de Ciencias Básicas, Facultad de Ciencias, Universidad Santo Tomás, Talca 3460000, Chile;
| | - Inés Urquiaga
- Center for Molecular Nutrition and Chronic Diseases, Pontificia Universidad Católica de Chile, Casilla 114-D, Santiago 8331150, Chile;
| | - Felipe Ávila
- Escuela de Nutrición y Dietética, Facultad de Ciencias de la Salud, Universidad de Talca, Campus Lircay, Talca 3460000, Chile;
- Correspondence: ; Tel.: +56-71-2418964
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Abstract
Diabetes has become one of the most prevalent endocrine and metabolic diseases that threaten human health, and it is accompanied by serious complications. Therefore, it is vital and pressing to develop novel strategies or tools for prewarning and therapy of diabetes and its complications. Fluorescent probes have been widely applied in the detection of diabetes due to the fact of their attractive advantages. In this report, we comprehensively summarize the recent progress and development of fluorescent probes in detecting the changes in the various biomolecules in diabetes and its complications. We also discuss the design of fluorescent probes for monitoring diabetes in detail. We expect this review will provide new ideas for the development of fluorescent probes suitable for the prewarning and therapy of diabetes in future clinical transformation and application.
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13
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Jana A, Baruah M, Samanta A. Activity-based fluorescent probes for sensing and imaging of Reactive Carbonyl species (RCSs). Chem Asian J 2022; 17:e202200044. [PMID: 35239996 DOI: 10.1002/asia.202200044] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2022] [Revised: 03/03/2022] [Indexed: 11/08/2022]
Abstract
This review explains various strategies for developing fluorescent probes to detect reactive carbonyl species (RCS). There are sevaral number of mono and diacarbonyls among 30 varieties of reactive carbonyl species (RCSs) so far discovered, which play pivotal roles in pathological processes such as cancer, neurodegenerative diseases, cardiovascular disease, renal failure, and diabetes mellitus. These RCSs play essential roles in maintaining ion channels regulation, cellular signaling pathways, and metabolisms. Among RCSs, Carbon moxide (CO) is also utilized for its cardioprotective, anti-inflammatory, and anti-apoptotic effects. Fluorescence-based non-invasive optical tools have come out as one of the promising methods for analyzing the concentrations and co-localizations of these small metabolites. There has been a tremendous eruption in developing fluorescent probes for selective detection of specific RCSs within cellular and aqueous environments due to its high sensitivity, high spatial and temporal resolution of fluorescence imaging. Fluorescence-based sensing mechanisms such as intramolecular charge transfer (ICT), photoinduced electron transfer (PeT), excited-state intramolecular proton transfer (ESIPT), and fluorescence resonance energy transfer (FRET) are described. In particular, probes for dicarbonyls such as methylglyoxal (MGO), malondialdehyde (MDA), along with monocarbonyls that include formaldehyde (FA), carbon monoxide (CO) and phosgene are discussed. One of the most exciting advances in this review is the summary of fluorescent probes of dicarbonyl compounds.
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Affiliation(s)
- Anal Jana
- Shiv Nadar University, Chemistry, INDIA
| | | | - Animesh Samanta
- Shiv Nadar University, CHEMISTRY, NH 91, TEHSIL DADRI, GAUSTAM BUDHA NAGAR, 201314, GREATER NOIDA, INDIA
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Hernandez-Castillo C, Shuck SC. Diet and Obesity-Induced Methylglyoxal Production and Links to Metabolic Disease. Chem Res Toxicol 2021; 34:2424-2440. [PMID: 34851609 DOI: 10.1021/acs.chemrestox.1c00221] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
The obesity rate in the United States is 42.4% and has become a national epidemic. Obesity is a complex condition that is influenced by socioeconomic status, ethnicity, genetics, age, and diet. Increased consumption of a Western diet, one that is high in processed foods, red meat, and sugar content, is associated with elevated obesity rates. Factors that increase obesity risk, such as socioeconomic status, also increase consumption of a Western diet because of a limited access to healthier options and greater affordability of processed foods. Obesity is a public health threat because it increases the risk of several pathologies, including atherosclerosis, diabetes, and cancer. The molecular mechanisms linking obesity to disease onset and progression are not well understood, but a proposed mechanism is physiological changes caused by altered lipid peroxidation, glycolysis, and protein metabolism. These metabolic pathways give rise to reactive molecules such as the abundant electrophile methylglyoxal (MG), which covalently modifies nucleic acids and proteins. MG-adducts are associated with obesity-linked pathologies and may have potential for biomonitoring to determine the risk of disease onset and progression. MG-adducts may also play a role in disease progression because they are mutagenic and directly impact protein stability and function. In this review, we discuss how obesity drives metabolic alterations, how these alterations lead to MG production, the association of MG-adducts with disease, and the potential impact of MG-adducts on cellular function.
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Affiliation(s)
- Carlos Hernandez-Castillo
- Department of Diabetes and Cancer Metabolism, Beckman Research Institute of City of Hope, Duarte, California 91010, United States
| | - Sarah C Shuck
- Department of Diabetes and Cancer Metabolism, Beckman Research Institute of City of Hope, Duarte, California 91010, United States
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15
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Medeiros ML, Oliveira AL, de Oliveira MG, Mónica FZ, Antunes E. Methylglyoxal Exacerbates Lipopolysaccharide-Induced Acute Lung Injury via RAGE-Induced ROS Generation: Protective Effects of Metformin. J Inflamm Res 2021; 14:6477-6489. [PMID: 34880648 PMCID: PMC8648108 DOI: 10.2147/jir.s337115] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2021] [Accepted: 11/15/2021] [Indexed: 01/11/2023] Open
Abstract
Purpose Methylglyoxal (MGO) is a highly reactive dicarbonyl species implicated in diabetic-associated diseases. Acute lung injury (ALI) symptoms and prognosis are worsened by diabetes and obesity. Here, we hypothesized that elevated MGO levels aggravate ALI, which can be prevented by metformin. Therefore, this study evaluated the lung inflammation in lipopolysaccharide (LPS)-exposed mice pretreated with MGO. Methods C57Bl/6 male mice treated or not with MGO for 12 weeks were intranasally instilled with LPS (30 µg) to induce ALI, and metformin (300 mg/kg) was given as gavage in the last two weeks of treatment. After 6 h, bronchoalveolar lavage fluid (BALF) and lung tissues were collected to quantify the cell infiltration, cytokine levels, reactive-oxygen species (ROS) production, and RAGE expression. Results LPS exposure markedly increased the neutrophil infiltration in BALF and lung tissue, which was accompanied by higher levels of IFN-γ, TNF-α and IL-1β compared with untreated group. MGO treatment significantly increased the airways neutrophil infiltration and mRNA expressions of TNF-α and IL-1β, whereas COX-2 expression remained unchanged. In lung tissues of LPS-exposed mice, MGO treatment significantly increased the immunostaining and mRNA expression of RAGE, and the ROS levels. Serum MGO concentration achieved after 12-week intake was 9.2-fold higher than control mice, which was normalized by metformin treatment. Metformin also reduced the inflammatory markers in response to MGO. Conclusion MGO intake potentiates the LPS-induced ALI, increases RAGE expression and ROS generation, which is normalized by metformin. MGO scavengers may be a good adjuvant therapy to reduce ALI in patients with cardiometabolic diseases.
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Affiliation(s)
- Matheus L Medeiros
- Department of Pharmacology, University of Campinas (UNICAMP), Campinas, Sao Paulo, Brazil
| | - Akila L Oliveira
- Department of Pharmacology, University of Campinas (UNICAMP), Campinas, Sao Paulo, Brazil
| | - Mariana G de Oliveira
- Department of Pharmacology, University of Campinas (UNICAMP), Campinas, Sao Paulo, Brazil
| | - Fabíola Z Mónica
- Department of Pharmacology, University of Campinas (UNICAMP), Campinas, Sao Paulo, Brazil
| | - Edson Antunes
- Department of Pharmacology, University of Campinas (UNICAMP), Campinas, Sao Paulo, Brazil
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Bednarska K, Fecka I. Potential of Vasoprotectives to Inhibit Non-Enzymatic Protein Glycation, and Reactive Carbonyl and Oxygen Species Uptake. Int J Mol Sci 2021; 22:ijms221810026. [PMID: 34576189 PMCID: PMC8465384 DOI: 10.3390/ijms221810026] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2021] [Revised: 09/13/2021] [Accepted: 09/14/2021] [Indexed: 12/14/2022] Open
Abstract
Reactive carbonyl species (RCS) such as methylglyoxal (MGO) or glyoxal (GO) are the main precursors of the formation of advanced glycation end products (AGEs). AGEs are a major factor in the development of vascular complications in diabetes. Vasoprotectives (VPs) exhibit a wide range of activities beneficial to cardiovascular health. The present study aimed to investigate selected VPs and their structural analogs for their ability to trap MGO/GO, inhibit AGE formation, and evaluate their antioxidant potential. Ultra-high-performance liquid chromatography coupled with an electrospray ionization mass spectrometer (UHPLC-ESI-MS) and diode-array detector (UHPLC-DAD) was used to investigate direct trapping capacity and kinetics of quenching MGO/GO, respectively. Fluorimetric and colorimetric measurements were used to evaluate antiglycation and antioxidant action. All tested substances showed antiglycative effects, but hesperetin was the most effective in RCS scavenging. We demonstrated that rutin, diosmetin, hesperidin, and hesperetin could trap both MGO and GO by forming adducts, whose structures we proposed. MGO-derived AGE formation was inhibited the most by hesperetin, and GO-derived AGEs by diosmetin. High reducing and antiradical activity was confirmed for quercetin, rutin, hesperetin, and calcium dobesilate. Therefore, in addition to other therapeutic applications, some VPs could be potential candidates as antiglycative agents to prevent AGE-related complications of diabetes.
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Wang J, Zhang L, Qu Y, Yang Y, Cao T, Cao Y, Iqbal A, Qin W, Liu Y. Long-Wavelength Ratiometric Fluorescent Probe for the Early Diagnosis of Diabetes. Anal Chem 2021; 93:11461-11469. [PMID: 34369744 DOI: 10.1021/acs.analchem.1c01491] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
Diabetes is a metabolic disease caused by high blood sugar. Patients are often suffering from high blood pressure and arteriosclerosis, which may even evolve into liver disease, kidney disease, and other diabetic complications. Dipeptide peptidase IV (DPP-IV) plays an important role in regulating blood sugar levels and is one of the targets for the diagnosis and treatment of diabetes. Here, a long-wavelength ratiometric fluorescent probe DCDHFNH2-dpp4 for detecting DPP-IV was designed and synthesized. DCDHFNH2-dpp4 was used to detect DPP-IV in healthy, tumor-bearing, and diabetic mice, and only diabetic mice showed strong fluorescence signals. In organ imaging, it is found that DPP-IV is relatively enriched in the liver of diabetic mice. In addition, probe DCDHFNH2-dpp4 also exhibited a significant ratiometric fluorescence signal in the serum of diabetic mice. Therefore, the fluorescent probe DCDHFNH2-dpp4 has shown outstanding potential in the early diagnosis of diabetes, and DCDHFNH2-dpp4 is hopeful to be applied to actual clinical medicine.
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Affiliation(s)
- Jiemin Wang
- Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province, State Key Laboratory of Applied Organic Chemistry and Key Laboratory of Special Function Materials and Structure Design (MOE), College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, P. R. China
| | - Liang Zhang
- Department of Radiology, Xinqiao Hospital, Army Medical University, Chongqing 400037, P. R. China
| | - Yi Qu
- Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province, State Key Laboratory of Applied Organic Chemistry and Key Laboratory of Special Function Materials and Structure Design (MOE), College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, P. R. China
| | - Yuexia Yang
- Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province, State Key Laboratory of Applied Organic Chemistry and Key Laboratory of Special Function Materials and Structure Design (MOE), College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, P. R. China
| | - Ting Cao
- Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province, State Key Laboratory of Applied Organic Chemistry and Key Laboratory of Special Function Materials and Structure Design (MOE), College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, P. R. China
| | - Yuping Cao
- Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province, State Key Laboratory of Applied Organic Chemistry and Key Laboratory of Special Function Materials and Structure Design (MOE), College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, P. R. China
| | - Anam Iqbal
- Department of Chemistry, University of Baluchistan, 87300 Quetta, Pakistan
| | - Wenwu Qin
- Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province, State Key Laboratory of Applied Organic Chemistry and Key Laboratory of Special Function Materials and Structure Design (MOE), College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, P. R. China
| | - Yun Liu
- Department of Radiology, Xinqiao Hospital, Army Medical University, Chongqing 400037, P. R. China
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18
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Jana A, Baruah M, Munan S, Samanta A. ICT based water-soluble fluorescent probe for discriminating mono and dicarbonyl species and analysis in foods. Chem Commun (Camb) 2021; 57:6380-6383. [PMID: 34081065 DOI: 10.1039/d1cc02600c] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A unique and highly water-soluble ICT-based fluorescent probe is developed for efficient detection and discrimination of reactive monocarbonyl formaldehyde (FA) from dicarbonyl methylglyoxal (MGO)/glyoxal (GO) by modulating the ICT process, which was confirmed by photophysical and TD-DFT analysis. The probe is applied in cellular imaging and quantifying FA in preserved food and MGO in manuka honey.
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Affiliation(s)
- Anal Jana
- Molecular Sensors and Therapeutics Research Laboratory, Department of Chemistry, School of Natural Sciences, Shiv Nadar University, NH 91, Tehsil Dadri, Gautam Buddha Nagar, Uttar Pradesh 201314, India.
| | - Mousumi Baruah
- Molecular Sensors and Therapeutics Research Laboratory, Department of Chemistry, School of Natural Sciences, Shiv Nadar University, NH 91, Tehsil Dadri, Gautam Buddha Nagar, Uttar Pradesh 201314, India.
| | - Subrata Munan
- Molecular Sensors and Therapeutics Research Laboratory, Department of Chemistry, School of Natural Sciences, Shiv Nadar University, NH 91, Tehsil Dadri, Gautam Buddha Nagar, Uttar Pradesh 201314, India.
| | - Animesh Samanta
- Molecular Sensors and Therapeutics Research Laboratory, Department of Chemistry, School of Natural Sciences, Shiv Nadar University, NH 91, Tehsil Dadri, Gautam Buddha Nagar, Uttar Pradesh 201314, India.
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Francisco FA, Saavedra LPJ, Junior MDF, Barra C, Matafome P, Mathias PCF, Gomes RM. Early AGEing and metabolic diseases: is perinatal exposure to glycotoxins programming for adult-life metabolic syndrome? Nutr Rev 2021; 79:13-24. [PMID: 32951053 DOI: 10.1093/nutrit/nuaa074] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Perinatal early nutritional disorders are critical for the developmental origins of health and disease. Glycotoxins, or advanced glycation end-products, and their precursors such as the methylglyoxal, which are formed endogenously and commonly found in processed foods and infant formulas, may be associated with acute and long-term metabolic disorders. Besides general aspects of glycotoxins, such as their endogenous production, exogenous sources, and their role in the development of metabolic syndrome, we discuss in this review the sources of perinatal exposure to glycotoxins and their involvement in metabolic programming mechanisms. The role of perinatal glycotoxin exposure in the onset of insulin resistance, central nervous system development, cardiovascular diseases, and early aging also are discussed, as are possible interventions that may prevent or reduce such effects.
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Affiliation(s)
- Flávio A Francisco
- Department of Biotechnology, Genetics, and Cellular Biology, State University of Maringa, Maringa, PR, Brazil
| | - Lucas P J Saavedra
- Department of Biotechnology, Genetics, and Cellular Biology, State University of Maringa, Maringa, PR, Brazil
| | - Marcos D F Junior
- Department of Physiological Sciences, Federal University of Goiás, Goiânia, GO, Brazil
| | - Cátia Barra
- Institute of Physiology and Coimbra Institute of Clinical and Biomedical Research, Faculty of Medicine, and the Center for Innovative Biotechnology and Biomedicine, University of Coimbra; and the Clinical Academic Center of Coimbra, Coimbra, Portugal
| | - Paulo Matafome
- Institute of Physiology and Coimbra Institute of Clinical and Biomedical Research, Faculty of Medicine, and the Center for Innovative Biotechnology and Biomedicine, University of Coimbra; and the Clinical Academic Center of Coimbra, Coimbra, Portugal
| | - Paulo C F Mathias
- Department of Biotechnology, Genetics, and Cellular Biology, State University of Maringa, Maringa, PR, Brazil
| | - Rodrigo M Gomes
- Department of Physiological Sciences, Federal University of Goiás, Goiânia, GO, Brazil
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Zhao Q, Li H, Chen H, Wu C, Ei-Seedi H, Xu X, Du M. High throughput analysis and quantitation of α-dicarbonyls in biofluid by plasmonic nanoshells enhanced laser desorption/ionization mass spectrometry. JOURNAL OF HAZARDOUS MATERIALS 2021; 403:123580. [PMID: 33264850 DOI: 10.1016/j.jhazmat.2020.123580] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/29/2020] [Revised: 07/22/2020] [Accepted: 07/23/2020] [Indexed: 06/12/2023]
Abstract
Advanced analytical platforms are required for accurate detection and quantification of small molecular substances exhibiting certain toxicity. Small molecules detection in complex biological fluids are challenged by the complexity of the samples and the low throughput of the existing methods. In the present study, to detect a batch of samples (50) in 1 h, the plasmonic nanoshell enhanced matrix-assisted laser desorption/ionization mass spectrometry (MALDI-TOF MS) was tested. The limit of quantification (LOQ) was determined as 0.01 μg/mL (for α-dicarbonyl compounds) by vortex-assisted liquid-liquid microextraction (VALLME). The developed method can be adopted to study the high-throughput metabolomics and employed for clinical precision diagnosis with MALDI-TOF MS.
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Affiliation(s)
- Qiyue Zhao
- National Engineering Research Center of Seafood, Collaborative Innovation Center of Provincial and Ministerial Co-Construction for Seafood Deep Processing, School of Food Science and Technology, Dalian Polytechnic University, Dalian 116034, People's Republic of China
| | - Han Li
- National Engineering Research Center of Seafood, Collaborative Innovation Center of Provincial and Ministerial Co-Construction for Seafood Deep Processing, School of Food Science and Technology, Dalian Polytechnic University, Dalian 116034, People's Republic of China
| | - Hui Chen
- National Engineering Research Center of Seafood, Collaborative Innovation Center of Provincial and Ministerial Co-Construction for Seafood Deep Processing, School of Food Science and Technology, Dalian Polytechnic University, Dalian 116034, People's Republic of China
| | - Chao Wu
- National Engineering Research Center of Seafood, Collaborative Innovation Center of Provincial and Ministerial Co-Construction for Seafood Deep Processing, School of Food Science and Technology, Dalian Polytechnic University, Dalian 116034, People's Republic of China
| | - Hesham Ei-Seedi
- Department of Medicinal Chemistry, Uppsala University, Biomedical Centre, Uppsala, Sweden
| | - Xianbing Xu
- National Engineering Research Center of Seafood, Collaborative Innovation Center of Provincial and Ministerial Co-Construction for Seafood Deep Processing, School of Food Science and Technology, Dalian Polytechnic University, Dalian 116034, People's Republic of China.
| | - Ming Du
- National Engineering Research Center of Seafood, Collaborative Innovation Center of Provincial and Ministerial Co-Construction for Seafood Deep Processing, School of Food Science and Technology, Dalian Polytechnic University, Dalian 116034, People's Republic of China.
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21
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Tang Y, Zhao Y, Wang P, Sang S. Simultaneous Determination of Multiple Reactive Carbonyl Species in High Fat Diet-Induced Metabolic Disordered Mice and the Inhibitory Effects of Rosemary on Carbonyl Stress. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2021; 69:1123-1131. [PMID: 33464893 DOI: 10.1021/acs.jafc.0c07748] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
As potential endogenous biomarkers, reactive carbonyl species (RCS) have gained abundant attention for monitoring oxidative and carbonyl stress. However, there is no accurate method to evaluate multiple RCS in biological samples. In this study, a 2,4-dinitrophenylhydrazine (DNPH) derivatization-based LC-MS method was developed and validated to quantitate eight RCS: malondialdehyde (MDA), acrolein (ACR), 4-hydroxy-2-nonenal (4-HNE), 4-oxo-2-nonenal (4-ONE), methylglyoxal (MGO), glyoxal (GO), 3-deoxyglucosone (3-DG), and 2-keto-d-glucose (2-Keto). Subsequently, the method was applied to assess the RCS in low fat (LF), high fat (HF), and HF plus rosemary extract (RE) diet-fed mouse samples. The quantitative results on RCS levels indicated that the HF diet significantly increased the total RCS levels in mouse urine, plasma, and kidney with an average rate of 280.69%, 153.87%, and 61.30%, respectively. The RE administration significantly inhibited the elevated RCS levels induced by the HF diet, especially for MDA, 4-ONE, 4-HNE, and 2-Keto in mouse plasma, and ACR and 2-Keto in mouse kidney. This is the first study to simultaneously measure eight RCS in biological samples and demonstrate that RE was able to eliminate the accumulation of the HF diet-induced RCS.
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Affiliation(s)
- Yao Tang
- Laboratory for Functional Foods and Human Health, Center for Excellence in Post-Harvest Technologies, North Carolina Agricultural and Technical State University, North Carolina Research Campus, 500 Laureate Way, Kannapolis, North Carolina 28081, United States
| | - Yantao Zhao
- Laboratory for Functional Foods and Human Health, Center for Excellence in Post-Harvest Technologies, North Carolina Agricultural and Technical State University, North Carolina Research Campus, 500 Laureate Way, Kannapolis, North Carolina 28081, United States
| | - Pei Wang
- Laboratory for Functional Foods and Human Health, Center for Excellence in Post-Harvest Technologies, North Carolina Agricultural and Technical State University, North Carolina Research Campus, 500 Laureate Way, Kannapolis, North Carolina 28081, United States
| | - Shengmin Sang
- Laboratory for Functional Foods and Human Health, Center for Excellence in Post-Harvest Technologies, North Carolina Agricultural and Technical State University, North Carolina Research Campus, 500 Laureate Way, Kannapolis, North Carolina 28081, United States
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22
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Jana A, Joseph MM, Munan S, Maiti KK, Samanta A. Highly selective chemosensor for reactive carbonyl species based on simple 1,8-diaminonaphthalene. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY B-BIOLOGY 2020; 213:112076. [PMID: 33161365 DOI: 10.1016/j.jphotobiol.2020.112076] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/14/2020] [Revised: 10/24/2020] [Accepted: 10/28/2020] [Indexed: 01/04/2023]
Abstract
Reactive carbonyl species (RCSs) including one carbon formaldehyde (FA) and dicarbonyl compounds such as methylglyoxal (MGO) and glyoxal (GO) are produced during demethylase reactions and various glucose metabolic pathways respectively. Elevation of the RCSs concentrations in cells is due to abnormal DNA damage, glycation adducts with macromolecules that lead to various neurotoxic diseases. Hence, regular monitoring of these RCSs with an easy tool is of utmost interest. However, conventional methods such as chromatography and mass spectrometry for the detection of these species are not so economically viable. These issues were well addressed by the non-invasive reactivity-based fluorescence techniques. However, tedious synthesis, only specific to either mono aldehyde is limited to detect multiple RCSs in physiologies by synthesized fluorophores. An alternative, simple small molecules are widely applied as commercial biomarkers such as terephthalate and 2,3-diaminonaphthalene (NAP) for hydroxy radical (OH·) and nitric oxide (NO) respectively. Herein, we report an analogue of NAP, 1,8-diamino naphthalene (DAN) is an efficient chemosensor for highly sensitive detection of FA, MGO and GO with minimum detection limits of 0.95-3.97 μM. Surprisingly, DAN shows a "turn on" response towards RCSs but remaining silent towards NO which are exactly opposite to commercial probe NAP. Exogenous RCSs imaging in vitro cancerous cells shows the efficacy of the probe and its potential application for RCSs monitoring in cancer cells, generation of toxic byproducts.
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Affiliation(s)
- Anal Jana
- Molecular Sensors and Therapeutics Research Laboratory, Department of Chemistry, School of Natural Sciences, Shiv Nadar University, NH91, Tehsil Dadri, Gautam Buddha Nagar, Uttar Pradesh 201314, India
| | - Manu M Joseph
- Chemical Sciences and Technology Division, CSIR - National Institute for Interdisciplinary Science and Technology (CSIR-NIIST), Industrial Estate, PO Pappanamcode, Trivandrum, Kerala 695019, India
| | - Subrata Munan
- Molecular Sensors and Therapeutics Research Laboratory, Department of Chemistry, School of Natural Sciences, Shiv Nadar University, NH91, Tehsil Dadri, Gautam Buddha Nagar, Uttar Pradesh 201314, India
| | - Kaustabh Kumar Maiti
- Chemical Sciences and Technology Division, CSIR - National Institute for Interdisciplinary Science and Technology (CSIR-NIIST), Industrial Estate, PO Pappanamcode, Trivandrum, Kerala 695019, India.
| | - Animesh Samanta
- Molecular Sensors and Therapeutics Research Laboratory, Department of Chemistry, School of Natural Sciences, Shiv Nadar University, NH91, Tehsil Dadri, Gautam Buddha Nagar, Uttar Pradesh 201314, India.
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de Oliveira MG, de Medeiros ML, Tavares EBG, Mónica FZ, Antunes E. Methylglyoxal, a Reactive Glucose Metabolite, Induces Bladder Overactivity in Addition to Inflammation in Mice. Front Physiol 2020; 11:290. [PMID: 32317986 PMCID: PMC7147252 DOI: 10.3389/fphys.2020.00290] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2019] [Accepted: 03/16/2020] [Indexed: 12/30/2022] Open
Abstract
Diabetic bladder dysfunction (DBD) is one of the most common complication of diabetes. Methylglyoxal (MGO), a highly reactive dicarbonyl compound formed as a by-product of glycolysis, is found at high levels in plasma of diabetic patients. Here, we explored the effects of chronic administration of MGO on micturition pattern (cystometry) and bladder contractility in vitro in healthy male C57/BL6 mice. Methylglyoxal was given at 0.5% in drinking water for 4 weeks. Exposure to MGO led to bladder tissue disorganization, edema of lamina propria, partial loss of urothelium and multiple leukocyte infiltrates. Filling cystometry revealed significant increases of micturition frequency and number of non-voiding contractions (NVCs) in the MGO group, clearly indicating an overactive bladder profile. Bladder contractions induced by electrical-field stimulation (EFS) and carbachol were significantly higher in the MGO group, while the muscarinic M2 and M3 mRNA expressions remained unchanged between groups. Additionally, MGO exposure induced upregulation of TRPA1 and down-regulation of TRPV1 and TRPV4 in bladder tissues. Methylglyoxal did not change the mRNA expression of the advanced glycation end products receptor (RAGE), but markedly increased its downstream NF-κB - iNOS signaling. The mRNA expression of cyclooxygenase-2 (COX-2) and reactive-oxygen species (ROS) levels remained unchanged. Altogether, our data show that 4-week MGO intake in mice produces an overactive bladder phenotype in addition to bladder inflammation and increased NF-kB/iNOS signaling. TRPA1 up-regulation and TRPV1/TRPV4 down-regulation may account for the MGO-induced bladder overactivity. Scavengers of MGO could be an option to ameliorate bladder dysfunction in diabetic conditions.
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Affiliation(s)
| | | | - Edith B G Tavares
- Department of Pharmacology, University of Campinas (UNICAMP), Campinas, Brazil
| | - Fabiola Z Mónica
- Department of Pharmacology, University of Campinas (UNICAMP), Campinas, Brazil
| | - Edson Antunes
- Department of Pharmacology, University of Campinas (UNICAMP), Campinas, Brazil
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Haque E, Kamil M, Hasan A, Irfan S, Sheikh S, Khatoon A, Nazir A, Mir SS. Advanced glycation end products (AGEs), protein aggregation and their cross talk: new insight in tumorigenesis. Glycobiology 2020; 30:49-57. [PMID: 31508802 DOI: 10.1093/glycob/cwz073] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2019] [Revised: 08/21/2019] [Accepted: 08/28/2019] [Indexed: 12/15/2022] Open
Abstract
Protein glycation and protein aggregation are two distinct phenomena being observed in cancer cells as factors promoting cancer cell viability. Protein aggregation is an abnormal interaction between proteins caused as a result of structural changes in them after any mutation or environmental assault. Protein aggregation is usually associated with neurodegenerative diseases like Alzheimer's and Parkinson's, but of late, research findings have shown its association with the development of different cancers like lung, breast and ovarian cancer. On the contrary, protein glycation is a cascade of irreversible nonenzymatic reaction of reducing sugar with the amino group of the protein resulting in the modification of protein structure and formation of advanced glycation end products (AGEs). These AGEs are reported to obstruct the normal function of proteins. Lately, it has been reported that protein aggregation occurs as a result of AGEs. This aggregation of protein promotes the transformation of healthy cells to neoplasia leading to tumorigenesis. In this review, we underline the current knowledge of protein aggregation and glycation along with the cross talk between the two, which may eventually lead to the development of cancer.
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Affiliation(s)
- Ejazul Haque
- Department of Biosciences, Faculty of Science, Integral University, Kursi Road, Lucknow 226026, India.,Department of Immunology and Medical Genetics, School of Medicine, University of Split, Soltanskaul. 2, 21000, Split, Croatia
| | - Mohd Kamil
- Department of Biosciences, Faculty of Science, Integral University, Kursi Road, Lucknow 226026, India.,Department of Immunology and Medical Genetics, School of Medicine, University of Split, Soltanskaul. 2, 21000, Split, Croatia.,Department of Microbiology, Beykoz Life Sciences and Biotechnology Institute (BILSAB), Bezmialem Vakif University, Istanbul, Turkey
| | - Adria Hasan
- Department of Bioengineering, Faculty of Engineering, Integral University, Kursi Road, Lucknow 226026, India
| | - Safia Irfan
- Department of Bioengineering, Faculty of Engineering, Integral University, Kursi Road, Lucknow 226026, India
| | - Saba Sheikh
- Department of Biosciences, Faculty of Science, Integral University, Kursi Road, Lucknow 226026, India
| | - Aisha Khatoon
- Department of Bioengineering, Faculty of Engineering, Integral University, Kursi Road, Lucknow 226026, India
| | - Aamir Nazir
- Division of Neuroscience and Ageing Biology, CSIR-Central Drug Research Institute, BS-10/1, Sector 10, Jankipuram extension, Sitapur Road, Lucknow, 226031, India
| | - Snober S Mir
- Department of Bioengineering, Faculty of Engineering, Integral University, Kursi Road, Lucknow 226026, India
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25
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Thornalley PJ. Measurement of Protein Glycation, Glycated Peptides, and Glycation Free Adducts. Perit Dial Int 2020. [DOI: 10.1177/089686080502500603] [Citation(s) in RCA: 39] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Protein glycation adducts, early glycation adducts, such as N∊-fructosyl-lysine, and advanced glycation end products (AGEs) are uremic toxins. Glycation adducts are found in plasma and tissue proteins (glycation adduct residues), in peptides (glycation adduct peptide residues), and glycated amino acids (glycation free adducts). The latter two analyte groups arise from proteolysis of glycated proteins and glycation of peptides and amino acids. Quantitation of glycation adducts in uremia is difficult because of the presence of many different AGEs at low concentrations in different forms in the presence of many potential interferences. Application of liquid chromatography with tandem mass spectrometric (LC-MS/MS) detection to plasma, urine, and dialysate samples of uremic patients has provided a comprehensive and quantitative analysis of glycation adducts in uremia. Glycation free adducts accumulate markedly in the plasma of uremic patients and are eliminated in the peritoneal dialysate. Multiple glycation adducts, and also protein oxidation and nitration adducts, may be quantified concurrently. Glycation free adducts are the major form of glycation adduct eliminated in dialysate. LC-MS/MS may now be used to quantify concentrations, extents of protein modification, clearances, and excretion rates of glycation adducts in uremia.
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Affiliation(s)
- Paul J. Thornalley
- Department of Biological Sciences, University of Essex, Colchester, United Kingdom
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26
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Bhat WF, Ahmed A, Abbass S, Afsar M, Bano B, Masood A. Deciphering the Nature of Caffeic Acid to Inhibit the HSA Aggregation Induced by Glyoxal. Protein Pept Lett 2020; 27:725-735. [PMID: 32003651 DOI: 10.2174/0929866527666200129105141] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2019] [Revised: 11/11/2019] [Accepted: 11/13/2019] [Indexed: 11/22/2022]
Abstract
BACKGROUND Under certain circumstances, the path for protein folding deviates and attains an alternative path forming misfolded states, which are the key precursors for protein aggregation. Protein aggregation is associated with variety of diseases and leads to the cytotoxicity. These protein aggregate related diseases have been untreated so far. However, extensive attempts have been applied to develop anti-aggregating agents as possible approaches to overcome protein aggregation. Different types of substances have been reported to halt or decrease the formation of ordered protein aggregates both in vitro and in vivo, such as polyphenols and metal ions. OBJECTIVE In the present study the in vitro aggregation of human serum albumin (HSA) by using a reactive dicarbonyl glyoxal has been investigated, simultaneously an attempt has been done to inhibit the glyoxal (GO) induced aggregation of (HSA) by caffeic acid (CA). METHODS Different methods have been employed to investigate the process, fluorescence spectroscopy, circular dichroism, cango red binding assay, thioflavin T dye binding, turbidimetric analysis, docking study and transmission electron microscopy. RESULTS Results have shown that elevated concentration of GO forms aggregates of HSA, and the activity of CA suggested the possibility of inhibiting the HSA aggregation at higher concentrations, and this compound was found to have an anti-aggregation property. CONCLUSION The present study explained that micro molar concentrations of CA inhibits the aggregation of HSA and showed pronounced anti-aggregation effect at increasing concentrations in the presence of GO which is elevated in diabetic and hyperglycaemia conditions.
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Affiliation(s)
- Waseem Feeroze Bhat
- Department of Biochemistry, University of Kashmir, Hazratbal Srinagar - 190006, India
| | - Azaj Ahmed
- Department of Biochemistry, Faculty of Life Sciences, Aligarh Muslim University, Aligarh, UP 202002, India
| | - Shabeena Abbass
- Department of Biochemistry, University of Kashmir, Hazratbal Srinagar - 190006, India
| | - Mohammad Afsar
- CSIR, Central Drug Research Institute, Lucknow 226031, India
| | - Bilqees Bano
- Department of Biochemistry, Faculty of Life Sciences, Aligarh Muslim University, Aligarh, UP 202002, India
| | - Akbar Masood
- Department of Biochemistry, University of Kashmir, Hazratbal Srinagar - 190006, India
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Schalkwijk CG, Stehouwer CDA. Methylglyoxal, a Highly Reactive Dicarbonyl Compound, in Diabetes, Its Vascular Complications, and Other Age-Related Diseases. Physiol Rev 2020; 100:407-461. [DOI: 10.1152/physrev.00001.2019] [Citation(s) in RCA: 176] [Impact Index Per Article: 44.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
The formation and accumulation of methylglyoxal (MGO), a highly reactive dicarbonyl compound, has been implicated in the pathogenesis of type 2 diabetes, vascular complications of diabetes, and several other age-related chronic inflammatory diseases such as cardiovascular disease, cancer, and disorders of the central nervous system. MGO is mainly formed as a byproduct of glycolysis and, under physiological circumstances, detoxified by the glyoxalase system. MGO is the major precursor of nonenzymatic glycation of proteins and DNA, subsequently leading to the formation of advanced glycation end products (AGEs). MGO and MGO-derived AGEs can impact on organs and tissues affecting their functions and structure. In this review we summarize the formation of MGO, the detoxification of MGO by the glyoxalase system, and the biochemical pathways through which MGO is linked to the development of diabetes, vascular complications of diabetes, and other age-related diseases. Although interventions to treat MGO-associated complications are not yet available in the clinical setting, several strategies to lower MGO have been developed over the years. We will summarize several new directions to target MGO stress including glyoxalase inducers and MGO scavengers. Targeting MGO burden may provide new therapeutic applications to mitigate diseases in which MGO plays a crucial role.
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Affiliation(s)
- C. G. Schalkwijk
- CARIM School for Cardiovascular Diseases, Maastricht University Medical Centre, Maastricht, The Netherlands; and Department of Internal Medicine, Maastricht University Medical Centre, Maastricht, The Netherlands
| | - C. D. A. Stehouwer
- CARIM School for Cardiovascular Diseases, Maastricht University Medical Centre, Maastricht, The Netherlands; and Department of Internal Medicine, Maastricht University Medical Centre, Maastricht, The Netherlands
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Ding C, Wang F, Dang Y, Xu Z, Li L, Lai Y, Yu H, Luo Y, Huang R, Zhang A, Zhang W. Imaging Tumorous Methylglyoxal by an Activatable Near-Infrared Fluorescent Probe for Monitoring Glyoxalase 1 Activity. Anal Chem 2019; 91:15577-15584. [DOI: 10.1021/acs.analchem.9b03600] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Affiliation(s)
- Chunyong Ding
- CAS Key Laboratory of Receptor Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
| | - Fengyang Wang
- School of Chemistry and Molecular Engineering, East China Normal University, Shanghai 200241, China
| | - Yijing Dang
- School of Chemistry and Molecular Engineering, East China Normal University, Shanghai 200241, China
| | - Zhiai Xu
- School of Chemistry and Molecular Engineering, East China Normal University, Shanghai 200241, China
| | - Lingling Li
- School of Chemistry and Molecular Engineering, East China Normal University, Shanghai 200241, China
| | - Yi Lai
- School of Chemistry and Molecular Engineering, East China Normal University, Shanghai 200241, China
| | - Haijun Yu
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica (SIMM), Chinese Academy of Sciences, Shanghai 201203, China
| | - Yi Luo
- State Key Laboratory of Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, Dalian 116024, China
| | - Ruimin Huang
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica (SIMM), Chinese Academy of Sciences, Shanghai 201203, China
| | - Ao Zhang
- CAS Key Laboratory of Receptor Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
| | - Wen Zhang
- School of Chemistry and Molecular Engineering, East China Normal University, Shanghai 200241, China
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Wang XJ, Zhang HX, Li H, Zhu AH, Gao WY. Measurement of α-dicarbonyl compounds in human saliva by pre-column derivatization HPLC. Clin Chem Lab Med 2019; 57:1915-1922. [PMID: 31377732 DOI: 10.1515/cclm-2019-0350] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2019] [Accepted: 06/17/2019] [Indexed: 02/02/2023]
Abstract
Background α-Dicarbonyl compounds (α-DCs) have been detected in body fluids including plasma and urine and elevation of this sort of compounds in vivo has been associated with the development of many kinds of chronic diseases. However whether α-DCs are present in human saliva, and if their presence/absence can be related with various chronic diseases is yet to be determined. Methods In this study, a pre-column derivatization HPLC-UV method was developed to measure 3-deoxyglucosone (3-DG), glyoxal (GO), methylglyoxal (MGO), diacetyl (DA), and pentane-2,3-dione (PD) in human saliva employing 4-(2,3-dimethyl-6-quinoxalinyl)-1,2-benzenediamine (DQB) as a derivatizing reagent. The derivatization of the α-DCs is fast and the conditions are facile. The method was evaluated and the results show that it is suitable for the quantification of α-DCs in human saliva. Results In the measurements of these α-DCs in the saliva of 15 healthy subjects and 23 type 2 diabetes mellitus (T2DM) patients, we found that the concentrations of GO and MGO in the saliva of the diabetic patients were significantly higher than those in healthy subjects. As far as we know, this is the first time that salivary α-DC concentrations have been determined and associated with T2DM. Conclusions The developed method would be useful for the measurement of the salivary α-DC levels and the data acquired could be informative in the early screening for diabetes.
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Affiliation(s)
- Xin-Jie Wang
- National Engineering Research Center for Miniaturized Detection Systems and College of Life Sciences, Northwest University, Xi'an, Shaanxi, P.R. China
| | - Hong-Xia Zhang
- National Engineering Research Center for Miniaturized Detection Systems and College of Life Sciences, Northwest University, Xi'an, Shaanxi, P.R. China
| | - Heng Li
- National Engineering Research Center for Miniaturized Detection Systems and College of Life Sciences, Northwest University, Xi'an, Shaanxi, P.R. China
| | - Ai-Hua Zhu
- The Shaanxi Key Laboratory of Chinese Medicine Research and Development, Xi'an, P.R. China
| | - Wen-Yun Gao
- National Engineering Research Center for Miniaturized Detection Systems and College of Life Sciences, Northwest University, 229 North Taibai Road, Xi'an, Shaanxi 710069, P.R. China
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Mitochondria as a Source and a Target for Uremic Toxins. Int J Mol Sci 2019; 20:ijms20123094. [PMID: 31242575 PMCID: PMC6627204 DOI: 10.3390/ijms20123094] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2019] [Revised: 06/19/2019] [Accepted: 06/21/2019] [Indexed: 01/23/2023] Open
Abstract
Elucidation of molecular and cellular mechanisms of the uremic syndrome is a very challenging task. More than 130 substances are now considered to be "uremic toxins" and represent a very diverse group of molecules. The toxicity of these molecules affects many cellular processes, and expectably, some of them are able to disrupt mitochondrial functioning. However, mitochondria can be the source of uremic toxins as well, as the mitochondrion can be the site of complete synthesis of the toxin, whereas in some scenarios only some enzymes of the pathway of toxin synthesis are localized here. In this review, we discuss the role of mitochondria as both the target and source of pathological processes and toxic compounds during uremia. Our analysis revealed about 30 toxins closely related to mitochondria. Moreover, since mitochondria are key regulators of cellular redox homeostasis, their functioning might directly affect the production of uremic toxins, especially those that are products of oxidation or peroxidation of cellular components, such as aldehydes, advanced glycation end-products, advanced lipoxidation end-products, and reactive carbonyl species. Additionally, as a number of metabolic products can be degraded in the mitochondria, mitochondrial dysfunction would therefore be expected to cause accumulation of such toxins in the organism. Alternatively, many uremic toxins (both made with the participation of mitochondria, and originated from other sources including exogenous) are damaging to mitochondrial components, especially respiratory complexes. As a result, a positive feedback loop emerges, leading to the amplification of the accumulation of uremic solutes. Therefore, uremia leads to the appearance of mitochondria-damaging compounds, and consecutive mitochondrial damage causes a further rise of uremic toxins, whose synthesis is associated with mitochondria. All this makes mitochondrion an important player in the pathogenesis of uremia and draws attention to the possibility of reducing the pathological consequences of uremia by protecting mitochondria and reducing their role in the production of uremic toxins.
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Treibmann S, Spengler F, Degen J, Löbner J, Henle T. Studies on the Formation of 3-Deoxyglucosone- and Methylglyoxal-Derived Hydroimidazolones of Creatine during Heat Treatment of Meat. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2019; 67:5874-5881. [PMID: 31050431 DOI: 10.1021/acs.jafc.9b01243] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/07/2023]
Abstract
Dicarbonyl compounds such as methylglyoxal (MGO) and 3-deoxyglucosone (3-DG) are formed via caramelization and the Maillard reaction in food during heating or in vivo as byproducts of glycolysis. Recently, it was shown that creatine, an amino compound linked to the energy metabolism in vertebrate muscle, reacts rapidly with methylglyoxal under physiological conditions to form N-(4-methyl-5-oxo-1-imidazolin-2-yl)sarcosine (MG-HCr), a methylglyoxal-derived hydroimidazolone of creatine. Based on the observation that heated meat contains only small amounts of MGO and 3-DG when compared to many other foodstuffs, the aim of this study was to investigate a possible reaction of creatine with 3-DG and MGO in meat. From incubation mixtures consisting of 3-DG and creatine, a new hydroimidazolone of creatine, namely N-(4-butyl-1,2,3-triol-5-oxo-1-imidazolin-2-yl)sarcosine (3-DG-HCr), was isolated and characterized via spectroscopic means. To quantitate 3-DG-HCr and MG-HCr, meat and fish products were analyzed via HPLC-MS/MS using isotopically labeled standard material. Whereas samples of raw fish and meat contained only trace amounts of the hydroimidazolones (below 5 μg/kg), up to 28.3 mg/kg MG-HCr and up to 15.3 mg/kg 3-DG-HCr were found in meat and fish products. The concentrations were dependent on the heat treatment and presumably on the smoking process. In comparison to the lysine and arginine derivatives CEL, pyrraline, and MG-H1, the derivatization rate of creatine as MG-HCr and 3-DG-HCr was higher than of lysine and arginine, which clearly demonstrates the 1,2-dicarbonyl scavenging properties of creatine in meat.
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Affiliation(s)
- Stephanie Treibmann
- Chair of Food Chemistry , Technische Universität Dresden , D-01062 Dresden , Germany
| | - Franz Spengler
- Chair of Food Chemistry , Technische Universität Dresden , D-01062 Dresden , Germany
| | - Julia Degen
- Chair of Food Chemistry , Technische Universität Dresden , D-01062 Dresden , Germany
| | - Jürgen Löbner
- Chair of Food Chemistry , Technische Universität Dresden , D-01062 Dresden , Germany
| | - Thomas Henle
- Chair of Food Chemistry , Technische Universität Dresden , D-01062 Dresden , Germany
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Mariño L, Casasnovas R, Ramis R, Vilanova B, Ortega-Castro J, Frau J, Adrover M. Does glycation really distort the peptide α-helicity? Int J Biol Macromol 2019; 129:254-266. [DOI: 10.1016/j.ijbiomac.2019.01.213] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2018] [Revised: 12/23/2018] [Accepted: 01/31/2019] [Indexed: 01/19/2023]
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Wang H, Xu Y, Rao L, Yang C, Yuan H, Gao T, Chen X, Sun H, Xian M, Liu C, Liu C. Ratiometric Fluorescent Probe for Monitoring Endogenous Methylglyoxal in Living Cells and Diabetic Blood Samples. Anal Chem 2019; 91:5646-5653. [DOI: 10.1021/acs.analchem.8b05426] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- Huiling Wang
- Key Laboratory of Pesticide and Chemical Biology, Ministry of Education, Chemical Biology Center, College of Chemistry, and International Joint Research Center for Intelligent Biosensing Technology and Health, Central China Normal University, Wuhan, 430079 Hubei, China
| | - Yulin Xu
- Key Laboratory of Pesticide and Chemical Biology, Ministry of Education, Chemical Biology Center, College of Chemistry, and International Joint Research Center for Intelligent Biosensing Technology and Health, Central China Normal University, Wuhan, 430079 Hubei, China
| | - Li Rao
- Key Laboratory of Pesticide and Chemical Biology, Ministry of Education, Chemical Biology Center, College of Chemistry, and International Joint Research Center for Intelligent Biosensing Technology and Health, Central China Normal University, Wuhan, 430079 Hubei, China
| | - Chuntao Yang
- Key Laboratory of Protein Modification and Degradation, School of Basic Medical Sciences, Guangzhou Medical University, Guangzhou 510182, China
| | - Hong Yuan
- Key Laboratory of Pesticide and Chemical Biology, Ministry of Education, Chemical Biology Center, College of Chemistry, and International Joint Research Center for Intelligent Biosensing Technology and Health, Central China Normal University, Wuhan, 430079 Hubei, China
| | - Tingjuan Gao
- Key Laboratory of Pesticide and Chemical Biology, Ministry of Education, Chemical Biology Center, College of Chemistry, and International Joint Research Center for Intelligent Biosensing Technology and Health, Central China Normal University, Wuhan, 430079 Hubei, China
| | - Xin Chen
- Key Laboratory of Pesticide and Chemical Biology, Ministry of Education, Chemical Biology Center, College of Chemistry, and International Joint Research Center for Intelligent Biosensing Technology and Health, Central China Normal University, Wuhan, 430079 Hubei, China
| | - Hongyan Sun
- Department of Chemistry, City University of Hong Kong, 83 Tat Chee Avenue, Kowloon, Hong Kong, China
| | - Ming Xian
- Department of Chemistry, Washington State University, Pullman, Washington 99164, United States
| | - Chunrong Liu
- Key Laboratory of Pesticide and Chemical Biology, Ministry of Education, Chemical Biology Center, College of Chemistry, and International Joint Research Center for Intelligent Biosensing Technology and Health, Central China Normal University, Wuhan, 430079 Hubei, China
| | - Changlin Liu
- Key Laboratory of Pesticide and Chemical Biology, Ministry of Education, Chemical Biology Center, College of Chemistry, and International Joint Research Center for Intelligent Biosensing Technology and Health, Central China Normal University, Wuhan, 430079 Hubei, China
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Hamzalıoğlu A, Gökmen V. Investigations on the effect of broccoli and wine sulphur compounds on glyoxal scavenging under simulated physiological conditions. J Funct Foods 2019. [DOI: 10.1016/j.jff.2019.02.033] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023] Open
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35
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Simón L, Saez Lancellotti TE, Cortese L, Veisaga ML, Chantarasinlapin P, Barbieri A, Fornés M. Olive oil addition to the high-fat diet reduces methylglyoxal (MG-H1) levels increased in hypercholesterolemic rabbits. MEDITERRANEAN JOURNAL OF NUTRITION AND METABOLISM 2019. [DOI: 10.3233/mnm-180229] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Layla Simón
- Laboratory of Andrologic Research of Mendoza, Institute of Histology and Embryology, Faculty of Medicine, National University of Cuyo, and Technologic Scientific Center (CCT), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Mendoza, Argentina
| | - Tania E. Saez Lancellotti
- Laboratory of Andrologic Research of Mendoza, Institute of Histology and Embryology, Faculty of Medicine, National University of Cuyo, and Technologic Scientific Center (CCT), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Mendoza, Argentina
| | - Leandro Cortese
- Laboratory of Andrologic Research of Mendoza, Institute of Histology and Embryology, Faculty of Medicine, National University of Cuyo, and Technologic Scientific Center (CCT), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Mendoza, Argentina
| | - Maria-Luisa Veisaga
- Department of Biological Sciences, Florida International University, Miami, FL, USA; Biomolecular Sciences Institute, Florida International University, Miami, FL, USA; Fairchild Tropical Botanic Garden, Coral Gables, FL, USA; International Center of Tropical Botany, Florida International University, Miami, FL, USA
| | - Preaw Chantarasinlapin
- Department of Dietetics and Nutrition, Robert Stempel College of Public Health and Social Work, Florida International University, Miami, FL, USA
| | - Alejandro Barbieri
- Department of Biological Sciences, Florida International University, Miami, FL, USA; Biomolecular Sciences Institute, Florida International University, Miami, FL, USA; Fairchild Tropical Botanic Garden, Coral Gables, FL, USA; International Center of Tropical Botany, Florida International University, Miami, FL, USA
| | - Miguel Fornés
- Laboratory of Andrologic Research of Mendoza, Institute of Histology and Embryology, Faculty of Medicine, National University of Cuyo, and Technologic Scientific Center (CCT), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Mendoza, Argentina
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Dhananjayan K, Irrgang F, Raju R, Harman DG, Moran C, Srikanth V, Münch G. Determination of glyoxal and methylglyoxal in serum by UHPLC coupled with fluorescence detection. Anal Biochem 2019; 573:51-66. [PMID: 30796906 DOI: 10.1016/j.ab.2019.02.014] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2018] [Accepted: 02/16/2019] [Indexed: 01/17/2023]
Abstract
Glyoxal (GO) and methylglyoxal (MGO) are two important biomarkers in diabetes. Analytical methods for determination of GO and MGO in serum samples are either HPLC with UV-Vis (low sensitivity) or MS/MS (expensive) detection. These disadvantages have hampered the introduction of these biomarkers as a routine analyte for diabetes diagnostics into the clinical laboratory. In this study, we introduce a UHPLC method with fluorescence detection for the measurement of GO and MGO in serum samples by pre-column derivatization at neutral pH with 5, 6-diamino-2,4-dihydroxypyrimidine sulfate (DDP) to form lumazines. The method was validated as per FDA guidelines. Using this method, we have determined GO and MGO in a variety of animal serum samples, and for example, determined the GO and MGO concentration in adult bovine serum to be 852 ± 27 and 192 ± 10 nmol/L, respectively. In human serum, GO and MGO levels in non-diabetic subjects (n = 14) were determined to be 154 ± 88 and 98 ± 27 nmol/L, and in serum samples from subjects with diabetes (n = 14) 244 ± 137 and 190 ± 68 nmol/L, respectively. In addition, interference studies showed that physiological serum components did not lead to an artificial increase in the levels of GO and MGO.
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Affiliation(s)
- Karthik Dhananjayan
- Department of Pharmacology, School of Medicine, Western Sydney University, Locked Bag 1797, Penrith, NSW, 2751, Australia
| | - Felix Irrgang
- Department of Pharmacology, School of Medicine, Western Sydney University, Locked Bag 1797, Penrith, NSW, 2751, Australia
| | - Ritesh Raju
- Department of Pharmacology, School of Medicine, Western Sydney University, Locked Bag 1797, Penrith, NSW, 2751, Australia
| | - David G Harman
- Department of Pharmacology, School of Medicine, Western Sydney University, Locked Bag 1797, Penrith, NSW, 2751, Australia
| | - Chris Moran
- Department of Medicine, Peninsula Health & Peninsula Clinical School, Monash University, Victoria, 3199, Australia
| | - Velandai Srikanth
- Department of Medicine, Peninsula Health & Peninsula Clinical School, Monash University, Victoria, 3199, Australia; Menzies Institute for Medical Research, University of Tasmania, Hobart, Tasmania 7000, Australia
| | - Gerald Münch
- Department of Pharmacology, School of Medicine, Western Sydney University, Locked Bag 1797, Penrith, NSW, 2751, Australia; NICM Health Research Institute, Western Sydney University, Locked Bag 1797, Penrith, NSW, 2751, Australia.
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Zhang S, Zhao Y, Ohland C, Jobin C, Sang S. Microbiota facilitates the formation of the aminated metabolite of green tea polyphenol (-)-epigallocatechin-3-gallate which trap deleterious reactive endogenous metabolites. Free Radic Biol Med 2019; 131:332-344. [PMID: 30578921 PMCID: PMC6345541 DOI: 10.1016/j.freeradbiomed.2018.12.023] [Citation(s) in RCA: 50] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/09/2018] [Revised: 12/09/2018] [Accepted: 12/17/2018] [Indexed: 12/13/2022]
Abstract
The in vivo mechanism of tea polyphenol-mediated prevention of many chronic diseases is still largely unknown. Studies have shown that accumulation of toxic reactive cellular metabolites, such as ammonia and reactive carbonyl species (RCS), is one of the causing factors to the development of many chronic diseases. In this study, we investigated the in vivo interaction between (-)-epigallocatechin-3-gallate (EGCG), the most abundant polyphenol in tea leaves, and ammonia and RCS. We found that EGCG could be oxidized to EGCG quinone in mice, and then rapidly react with ammonia to generate the aminated EGCG metabolite, 4'-NH2-EGCG. Both EGCG and its aminated metabolite could further scavenge RCS, such as methylglyoxal (MGO), malondialdehyde (MDA), and trans-4-hydroxy-2-nonenal (4-HNE), to produce the RCS conjugates of EGCG and the aminated EGCG. Both the aminated and the RCS conjugated metabolites of EGCG were detected in human after drinking four cups of green tea per day. By comparing the levels of the aminated and the RCS conjugated metabolites in EGCG exposed germ-free (GF) mice and specific-pathogen-free (SPF) mice, we demonstrated that gut microbiota facilitate the formation of the aminated metabolite of EGCG, the RCS conjugates of EGCG, and the RCS conjugates of the aminated EGCG. By comparing the trapping capacities of EGCG and its aminated metabolite under aerobic and anaerobic conditions, we found that oxygen is not essential for the trapping of reactive species by EGCG and 4'-NH2-EGCG suggesting that EGCG and its aminated metabolite could scavenge RCS in the GI track and in the circulation system. Altogether, this study provides in vivo evidences that EGCG has the capacity to scavenge toxic reactive metabolic wastes. This finding opens a new window to understand the underlying mechanisms by which drinking tea could prevent the development of chronic diseases.
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Affiliation(s)
- Shuwei Zhang
- Laboratory for Functional Foods and Human Health, Center for Excellence in Post-Harvest Technologies, North Carolina Agricultural and Technical State University, North Carolina Research Campus, 500 Laureate Way, Kannapolis, NC 28081, USA
| | - Yantao Zhao
- Laboratory for Functional Foods and Human Health, Center for Excellence in Post-Harvest Technologies, North Carolina Agricultural and Technical State University, North Carolina Research Campus, 500 Laureate Way, Kannapolis, NC 28081, USA
| | - Christina Ohland
- Department of Medicine, University of Florida, Gainesville, FL 32611, USA
| | - Christian Jobin
- Department of Medicine, University of Florida, Gainesville, FL 32611, USA
| | - Shengmin Sang
- Laboratory for Functional Foods and Human Health, Center for Excellence in Post-Harvest Technologies, North Carolina Agricultural and Technical State University, North Carolina Research Campus, 500 Laureate Way, Kannapolis, NC 28081, USA.
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Bellier J, Nokin MJ, Lardé E, Karoyan P, Peulen O, Castronovo V, Bellahcène A. Methylglyoxal, a potent inducer of AGEs, connects between diabetes and cancer. Diabetes Res Clin Pract 2019; 148:200-211. [PMID: 30664892 DOI: 10.1016/j.diabres.2019.01.002] [Citation(s) in RCA: 75] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/24/2018] [Accepted: 01/04/2019] [Indexed: 02/08/2023]
Abstract
Diabetes is one of the most frequent diseases throughout the world and its incidence is predicted to exponentially progress in the future. This metabolic disorder is associated with major complications such as neuropathy, retinopathy, atherosclerosis, and diabetic nephropathy, the severity of which correlates with hyperglycemia, suggesting that they are triggered by high glucose condition. Reducing sugars and reactive carbonyl species such as methylglyoxal (MGO) lead to glycation of proteins, lipids and DNA and the gradual accumulation of advanced glycation end products (AGEs) in cells and tissues. While AGEs are clearly implicated in the pathogenesis of diabetes complications, their potential involvement during malignant tumor development, progression and resistance to therapy is an emerging concept. Meta-analysis studies established that patients with diabetes are at higher risk of developing cancer and show a higher mortality rate than cancer patients free of diabetes. In this review, we highlight the potential connection between hyperglycemia-associated AGEs formation on the one hand and the recent evidence of pro-tumoral effects of MGO stress on the other hand. We also discuss the marked interest in anti-glycation compounds in view of their strategic use to treat diabetic complications but also to protect against augmented cancer risk in patients with diabetes.
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Affiliation(s)
- Justine Bellier
- Metastasis Research Laboratory, GIGA-Cancer, University of Liège, Belgium
| | - Marie-Julie Nokin
- Metastasis Research Laboratory, GIGA-Cancer, University of Liège, Belgium
| | - Eva Lardé
- Laboratoire des Biomolécules, UMR 7203, Sorbonne Université, Paris, France
| | - Philippe Karoyan
- Laboratoire des Biomolécules, UMR 7203, Sorbonne Université, Paris, France
| | - Olivier Peulen
- Metastasis Research Laboratory, GIGA-Cancer, University of Liège, Belgium
| | - Vincent Castronovo
- Metastasis Research Laboratory, GIGA-Cancer, University of Liège, Belgium
| | - Akeila Bellahcène
- Metastasis Research Laboratory, GIGA-Cancer, University of Liège, Belgium.
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Krämer AC, Davies MJ. Effect of Methylglyoxal-Induced Glycation on the Composition and Structure of β-Lactoglobulin and α-Lactalbumin. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2019; 67:699-710. [PMID: 30577692 DOI: 10.1021/acs.jafc.8b05809] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Glycation, and particularly reactions between aldehydes and nucleophiles (thiols, amines), can initiate changes in the structure, solubility, composition, hydrophobicity, conformation, function, and susceptibility to proteolysis of proteins. This can have adverse consequences for mammals, plants, foodstuffs, and pharmaceuticals. Low-molecular-mass dialdehydes such as methylglyoxal (MGO) are much more reactive than parent glucose and therefore potentially highly damaging. These are present at significant levels in some foods. This study investigated whether and how MGO exposure, with or without concurrent heat exposure, affected the major whey proteins β-lactoglobulin and α-lactalbumin. MGO diminished the formation of heat-induced, reducible, intermolecular disulfide cross-links for both proteins, with this being associated, at least in part, with alternative thiol consuming reactions of MGO. At long incubation times, nonreducible protein cross-links were formed in a dose-dependent manner, with LC-MS/MS and UPLC analysis showing the presence of methylglyoxal-lysine dimers (MOLD). UPLC analysis revealed MGO-dependent consumption of specific amino acids in the order Cys > Arg > Lys > Trp for both proteins, with α-lactalbumin affected to a greater extent than β-lactoglobulin. SDS-PAGE revealed altered protein mobility consistent with modification of charged residues. MGO exposure also resulted in increased binding of the hydrophobic dye, 8-anilino-1-naphthalene sulfonic acid, consistent with limited protein unfolding. Overall, these data are consistent with rapid reaction of MGO residues at Cys residues (when available) and surface accessible Arg and Lys residues, with formation of adducts and cross-linked materials. These alternative reactions of dialdehydes diminish direct heat-induced (disulfide) cross-link formation and result in limited protein unfolding.
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Affiliation(s)
- Anna C Krämer
- Department of Biomedical Sciences, Panum Institute , University of Copenhagen , Copenhagen 2200 , Denmark
| | - Michael J Davies
- Department of Biomedical Sciences, Panum Institute , University of Copenhagen , Copenhagen 2200 , Denmark
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Wang XJ, Ma SB, Liu ZF, Li H, Gao WY. Elevated levels of α-dicarbonyl compounds in the plasma of type II diabetics and their relevance with diabetic nephropathy. J Chromatogr B Analyt Technol Biomed Life Sci 2018; 1106-1107:19-25. [PMID: 30639946 DOI: 10.1016/j.jchromb.2018.12.027] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2018] [Revised: 12/19/2018] [Accepted: 12/27/2018] [Indexed: 02/02/2023]
Abstract
The presence of α‑dicarbonyl compounds (α-DCs) in vivo has been associated with the development of complications of diabetes mellitus (DM) and also with other chronic diseases. Therefore, quantitative analysis of α-DCs in body fluids is crucial to understand their roles in the formation of these chronic diseases. We established in this study a practical HPLC-UV method to measure 3‑deoxyglucosone (3-DG), glyoxal (GO), methylglyoxal (MGO), diacetyl (DA), and pentane‑2,3‑dione (PD) in blood plasma using 4‑(2,3‑dimethyl‑6‑quinoxalinyl)‑1,2‑benzenediamine (DQB) as a derivatizing reagent. The derivatizing reaction could be carried out quickly under mild conditions and the HPLC determination is simple, sensitive, and easy to operate. The recoveries of the α-DCs are between 85.26% and 110.20% (intra-day) and 87.25% and 103.18% (inter-day); the RSDs are between 1.28% and 5.69% (intra-day) and 2.26% and 6.34% (inter-day). We found the plasma levels of 3-DG, GO, and MGO in the diabetic patients are all significantly higher than those in healthy subjects. The results also show that the contents of GO and MGO in diabetic nephropathy (DN) patients are both significantly higher than those in simple T2DM patients. Moreover, it is found for the first time that the plasma level of GO might be a potential predictor of DN. The developed method would be useful for the measurements of the plasma α-DCs and the data acquired could be informative in the diagnosis of DM complications.
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Affiliation(s)
- Xin-Jie Wang
- National Engineering Research Center for Miniaturized Detection Systems and College of Life Sciences, Northwest University, 229 North Taibai Road, Xi'an, Shaanxi 710069, China
| | - Sheng-Bo Ma
- National Engineering Research Center for Miniaturized Detection Systems and College of Life Sciences, Northwest University, 229 North Taibai Road, Xi'an, Shaanxi 710069, China
| | - Zhuo-Feng Liu
- Friendship Hospital of Shaanxi Province, 227 West Youyi Road, Xi'an, Shaanxi 710000, China
| | - Heng Li
- National Engineering Research Center for Miniaturized Detection Systems and College of Life Sciences, Northwest University, 229 North Taibai Road, Xi'an, Shaanxi 710069, China
| | - Wen-Yun Gao
- National Engineering Research Center for Miniaturized Detection Systems and College of Life Sciences, Northwest University, 229 North Taibai Road, Xi'an, Shaanxi 710069, China.
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Potipiranun T, Adisakwattana S, Worawalai W, Ramadhan R, Phuwapraisirisan P. Identification of Pinocembrin as an Anti-Glycation Agent and α-Glucosidase Inhibitor from Fingerroot ( Boesenbergia rotunda): The Tentative Structure⁻Activity Relationship towards MG-Trapping Activity. Molecules 2018; 23:molecules23123365. [PMID: 30572593 PMCID: PMC6321453 DOI: 10.3390/molecules23123365] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2018] [Revised: 12/12/2018] [Accepted: 12/15/2018] [Indexed: 12/12/2022] Open
Abstract
Diabetes mellitus (DM) is a disease that is caused by a malfunction of carbohydrate metabolism, which plays an important role in the development of long-term diabetic complications. The excess glucose can be transformed to methylglyoxal (MG), a potential precursor of glycation. Glycation is a spontaneous non-enzymatic reaction that initially yields advanced glycation end-products (AGEs), which ultimately triggers several severe complications. Therefore, the inhibition of AGEs formation is the imperative approach for alleviating diabetic complications. The aim of this research was to investigate the glycation and α-glucosidase inhibitory abilities of compounds isolated from fingerroot. The dichloromethane extract afforded three flavanones, two chalcones, two dihydrochalcones, and one kavalactone. Most of the isolated compounds showed higher inhibition effect against AGEs formation than aminoguanidine (AG). Subsequent evaluation in MG-trapping assay indicated that their trapping potency was relatively comparable to AG. Their structure-activity relationships (SAR) of MG-trapping activity were investigated using the comparison of the structures of flavonoids. In addition, pinocembrin displayed moderate α-glucosidase inhibition against both maltase and sucrose, with IC50 values of 0.35 ± 0.021 and 0.39 ± 0.020 mM, respectively.
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Affiliation(s)
- Thammatee Potipiranun
- Program of Biotechnology, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand.
- Center of Excellence in Natural Products, Department of Chemistry, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand.
| | - Sirichai Adisakwattana
- Department of Nutrition and Dietetics, Faculty of Allied Health Sciences, Chulalongkorn University, Bangkok 10330, Thailand.
| | - Wisuttaya Worawalai
- Center of Excellence in Natural Products, Department of Chemistry, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand.
| | - Rico Ramadhan
- Center of Excellence in Natural Products, Department of Chemistry, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand.
- Department of Chemistry, Faculty of Science and Technology, Airlangga University, Surabaya 60115, Indonesia.
| | - Preecha Phuwapraisirisan
- Center of Excellence in Natural Products, Department of Chemistry, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand.
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Chen HJC, Liu CT, Li YJ. Correlation between Glyoxal-Induced DNA Cross-Links and Hemoglobin Modifications in Human Blood Measured by Mass Spectrometry. Chem Res Toxicol 2018; 32:179-189. [PMID: 30507124 DOI: 10.1021/acs.chemrestox.8b00264] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Glyoxal is an oxoaldehyde generated from the degradation of glucose-protein conjugates and from lipid peroxidation in foods and in vivo, and it is also present in the environment (e.g., cigarette smoke). The major endogenous source of glyoxal is glucose autoxidation, and the glyoxal concentrations in plasma are higher in diabetic patients than in nondiabetics. Glyoxal reacts with biomolecules forming covalently modified DNA and protein adducts. We previously developed sensitive and specific assays based on nanoflow liquid chromatography-nanospray ionization tandem mass spectrometry (nanoLC-NSI/MS/MS) for quantification of DNA cross-linked adducts (dG-gx-dC and dG-gx-dA) and for hemoglobin adducts derived from glyoxal. In this study, we isolated and analyzed both leukocyte DNA and hemoglobin from the blood of diabetic patients and compared the adduct levels with those from nondiabetic subjects using the modified assays. The results indicated that the extents of glyoxal-induced hemoglobin modifications on α-Lys-11, α-Arg-92, β-Lys-17, and β-Lys-66 were statistically higher in diabetic patients than nondiabetics and they correlated with HbA1c significantly. Moreover, the levels of dG-gx-dC in leukocyte DNA correlated positively with the extents of globin modification at α-Lys-11 and β-Lys-17, while levels of dG-gx-dA correlated with those at α-Lys-11 and α-Arg-92 in nonsmoking subjects. Comparing the levels and the correlation coefficients of these hemoglobin and DNA adducts including or excluding smokers, it appears that smoking is not a major contributor to glyoxal-induced adduction of hemoglobin and leukocyte DNA. To the best of our knowledge, this is one of the few reports of positive correlation between DNA and protein adducts of the same compound (glyoxal) in the blood from the same subjects. Because of the high abundance of hemoglobin in blood, the results indicate that quantification of glyoxal-modified peptides in hemoglobin might serve as a dosimetry for glyoxal and a practical surrogate biomarker for assessing glyoxal-induced DNA damage and its prevention.
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Affiliation(s)
- Hauh-Jyun Candy Chen
- Department of Chemistry and Biochemistry , National Chung Cheng University , 168 University Road , Ming-Hsiung, Chia-Yi 62142 , Taiwan
| | - Chun-Ting Liu
- Department of Chemistry and Biochemistry , National Chung Cheng University , 168 University Road , Ming-Hsiung, Chia-Yi 62142 , Taiwan
| | - Yi-Jou Li
- Department of Chemistry and Biochemistry , National Chung Cheng University , 168 University Road , Ming-Hsiung, Chia-Yi 62142 , Taiwan
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Sugiura S, Taniguchi R, Nishioka Y, Iwase R, Tanaka R, Miyake H, Mori T, Ueda M, Shibata T. Evaluation of Anti-glycation Activities of Phlorotannins in Human and Bovine Serum Albumin-glyceraldehyde Models. Nat Prod Commun 2018. [DOI: 10.1177/1934578x1801300820] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
The anti-glycation activities of phlorotannins contained in the Japanese Lessoniaceae ( Ecklonia cava, Eck. kurome, Eck. stolonifera, Eisenia arborea, and Eis. bicyclis) were tested using serum albumin-glyceraldehyde (GA) models. In the human serum albumin (HSA)-GA model and the bovine serum albumin (BSA)-GA model, the concentrations of crude phlorotannins at 50% inhibition (IC50) of fluorescent advanced glycation end products (AGEs) formation was in the range of 0.48 to 0.70 mg/mL and 0.52 to 0.75 mg/mL, respectively. In tests using phloroglucinol and purified phlorotannins (eckol, fucofuroeckol A, phlorofucofuroeckol A, dieckol, and 8,8'-bieckol), dieckol had the highest inhibitory activity (IC50: 5.5 × 102 μM) against fluorescent AGEs formation in HSA-GA model and showed about 18 times inhibition compared with aminoguanidine hydrochloride of positive control. In the BSA albumin model, 8,8'-bieckol had about 27 times AGEs formation inhibitory activity (IC50: 6.2 × 102 μM) against aminoguanidine hydrochloride. In tests on GA scavenging activity, it was shown that compounds with phloroglucinol tetramer or higher had a scavenging rate of 70%, or more, with a reaction time of 120 minutes. These results suggest that among the phlorotannins, in particular the dimers of eckol (dieckol and 8,8'-bieckol), there are effective compounds for inhibiting the formation of AGEs derived from GA.
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Affiliation(s)
- Shingo Sugiura
- Graduate School of Bioresources, Mie University, 1577 Kurimamachiya-cho, Tsu, Mie 514-8507, Japan
- Japan Science and Technology Agency, CREST, 4-1-8 Hon-cho, Kawaguchi, Saitama 332-0012, Japan
| | - Ryosuke Taniguchi
- Graduate School of Bioresources, Mie University, 1577 Kurimamachiya-cho, Tsu, Mie 514-8507, Japan
- Japan Science and Technology Agency, CREST, 4-1-8 Hon-cho, Kawaguchi, Saitama 332-0012, Japan
| | - Yoshihiko Nishioka
- Graduate School of Bioresources, Mie University, 1577 Kurimamachiya-cho, Tsu, Mie 514-8507, Japan
| | - Ryota Iwase
- Faculty of Bioresources, Mie University, 1577 Kurimamachiya-cho, Tsu, Mie 514-8507, Japan
| | - Reiji Tanaka
- Graduate School of Bioresources, Mie University, 1577 Kurimamachiya-cho, Tsu, Mie 514-8507, Japan
- Seaweed Biorefinery Research Center, Mie University, 1577 Kurimamachiya-cho, Tsu, Mie 514-8507, Japan
- Japan Science and Technology Agency, CREST, 4-1-8 Hon-cho, Kawaguchi, Saitama 332-0012, Japan
| | - Hideo Miyake
- Graduate School of Bioresources, Mie University, 1577 Kurimamachiya-cho, Tsu, Mie 514-8507, Japan
- Seaweed Biorefinery Research Center, Mie University, 1577 Kurimamachiya-cho, Tsu, Mie 514-8507, Japan
- Japan Science and Technology Agency, CREST, 4-1-8 Hon-cho, Kawaguchi, Saitama 332-0012, Japan
| | - Tetsushi Mori
- Department of Biotechnology and Life Science, Tokyo University of Agriculture and Technology, 2-24-16 Naka-cho, Koganei, Tokyo 184-8588, Japan
- Seaweed Biorefinery Research Center, Mie University, 1577 Kurimamachiya-cho, Tsu, Mie 514-8507, Japan
- Japan Science and Technology Agency, CREST, 4-1-8 Hon-cho, Kawaguchi, Saitama 332-0012, Japan
| | - Mitsuyoshi Ueda
- Graduate School of Agriculture, Kyoto University, Kitashirakawa Oiwake, Sakyo-ku, Kyoto 606-8502, Japan
- Japan Science and Technology Agency, CREST, 4-1-8 Hon-cho, Kawaguchi, Saitama 332-0012, Japan
| | - Toshiyuki Shibata
- Graduate School of Bioresources, Mie University, 1577 Kurimamachiya-cho, Tsu, Mie 514-8507, Japan
- Seaweed Biorefinery Research Center, Mie University, 1577 Kurimamachiya-cho, Tsu, Mie 514-8507, Japan
- Japan Science and Technology Agency, CREST, 4-1-8 Hon-cho, Kawaguchi, Saitama 332-0012, Japan
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44
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Henning C, Liehr K, Girndt M, Ulrich C, Glomb MA. Analysis and Chemistry of Novel Protein Oxidation Markers in Vivo. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2018; 66:4692-4701. [PMID: 29707946 DOI: 10.1021/acs.jafc.8b00558] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Proteins continually undergo spontaneous oxidation reactions, which lead to changes in structure and function. The quantitative assessment of protein oxidation adducts provides information on the level of exposure to reactive precursor compounds with a high oxidizing potential and reactive oxygen species (ROS). In the present work, we introduce N6-(2-hydroxyethyl)lysine as a novel marker based on the ratio of glycolaldehyde and its oxidized form glyoxal. The high analytical potential was proven with a first set of patients undergoing hemodialysis versus healthy controls, in comparison with well-established parameters for oxidative stress. In vitro experiments with N1- t-BOC-lysine and N1- t-BOC-arginine enlightened the mechanistic relationship of glycolaldehyde and glyoxal. Oxidation was strongly dependent on the catalytic action of the ε-amino moiety of lysine. Investigations on the formation of N6-carboxymethyl lysine revealed glycolaldehyde-imine as the more reactive precursor, even though an additional oxidative step is required. As a result, a novel and very effective alternative mechanism was unraveled.
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Affiliation(s)
- Christian Henning
- Institute of Chemistry, Food Chemistry , Martin-Luther-University Halle-Wittenberg , Kurt-Mothes-Str. 2 , 06120 Halle/Saale , Germany
| | - Kristin Liehr
- Institute of Chemistry, Food Chemistry , Martin-Luther-University Halle-Wittenberg , Kurt-Mothes-Str. 2 , 06120 Halle/Saale , Germany
| | - Matthias Girndt
- Department of Internal Medicine II , Martin-Luther-University Halle-Wittenberg , Ernst-Grube-Str. 40 , 06120 Halle/Saale , Germany
| | - Christof Ulrich
- Department of Internal Medicine II , Martin-Luther-University Halle-Wittenberg , Ernst-Grube-Str. 40 , 06120 Halle/Saale , Germany
| | - Marcus A Glomb
- Institute of Chemistry, Food Chemistry , Martin-Luther-University Halle-Wittenberg , Kurt-Mothes-Str. 2 , 06120 Halle/Saale , Germany
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Vanholder R, Argilés A, Baurmeister U, Brunet P, Clark W, Cohen G, Dedeyn P, Deppisch R, Descamps-Latscha B, Henle T, Jörres A, Massy Z, Rodriguez M, Stegmayr B, Stenvinkel P, Wratten M. Uremic Toxicity: Present State of the Art. Int J Artif Organs 2018. [DOI: 10.1177/039139880102401004] [Citation(s) in RCA: 192] [Impact Index Per Article: 32.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
The uremic syndrome is a complex mixture of organ dysfunctions, which is attributed to the retention of a myriad of compounds that under normal condition are excreted by the healthy kidneys (uremic toxins). In the area of identification and characterization of uremic toxins and in the knowledge of their pathophysiologic importance, major steps forward have been made during recent years. The present article is a review of several of these steps, especially in the area of information about the compounds that could play a role in the development of cardiovascular complications. It is written by those members of the Uremic Toxins Group, which has been created by the European Society for Artificial Organs (ESAO). Each of the 16 authors has written a state of the art in his/her major area of interest.
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Affiliation(s)
- R. Vanholder
- The Nephrology Section, Department of Internal Medicine, University Hospital, Gent - Belgium
| | - A. Argilés
- Institute of Human Genetics, IGH-CNRS UPR 1142, Montpellier - France
| | | | - P. Brunet
- Nephrology, Internal Medicine, Ste Marguerite Hospital, Marseille - France
| | - W. Clark
- Baxter Healthcare Corporation, Lessines - Belgium
| | - G. Cohen
- Division of Nephrology, Department of Medicine, University of Vienna, Vienna - Austria
| | - P.P. Dedeyn
- Department of Neurology, Middelheim Hospital, Laboratory of Neurochemistry and Behaviour, University of Antwerp - Belgium
| | - R. Deppisch
- Gambro Corporate Research, Hechingen - Germany
| | | | - T. Henle
- Institute of Food Chemistry, Technical University, Dresden - Germany
| | - A. Jörres
- Nephrology and Medical Intensive Care, UK Charité, Campus Virchow-Klinikum, Medical Faculty of Humboldt-University, Berlin - Germany
| | - Z.A. Massy
- Division of Nephrology, CH-Beauvais, and INSERM Unit 507, Necker Hospital, Paris - France
| | - M. Rodriguez
- University Hospital Reina Sofia, Research Institute, Cordoba - Spain
| | - B. Stegmayr
- Norrlands University Hospital, Medical Clinic, Umea - Sweden
| | - P. Stenvinkel
- Nephrology Department, University Hospital, Huddinge - Sweden
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Inhibition of GLO1 in Glioblastoma Multiforme Increases DNA-AGEs, Stimulates RAGE Expression, and Inhibits Brain Tumor Growth in Orthotopic Mouse Models. Int J Mol Sci 2018; 19:ijms19020406. [PMID: 29385725 PMCID: PMC5855628 DOI: 10.3390/ijms19020406] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2017] [Revised: 01/22/2018] [Accepted: 01/26/2018] [Indexed: 12/22/2022] Open
Abstract
Cancers that exhibit the Warburg effect may elevate expression of glyoxylase 1 (GLO1) to detoxify the toxic glycolytic byproduct methylglyoxal (MG) and inhibit the formation of pro-apoptotic advanced glycation endproducts (AGEs). Inhibition of GLO1 in cancers that up-regulate glycolysis has been proposed as a therapeutic targeting strategy, but this approach has not been evaluated for glioblastoma multiforme (GBM), the most aggressive and difficult to treat malignancy of the brain. Elevated GLO1 expression in GBM was established in patient tumors and cell lines using bioinformatics tools and biochemical approaches. GLO1 inhibition in GBM cell lines and in an orthotopic xenograft GBM mouse model was examined using both small molecule and short hairpin RNA (shRNA) approaches. Inhibition of GLO1 with S-(p-bromobenzyl) glutathione dicyclopentyl ester (p-BrBzGSH(Cp)2) increased levels of the DNA-AGE N2-1-(carboxyethyl)-2′-deoxyguanosine (CEdG), a surrogate biomarker for nuclear MG exposure; substantially elevated expression of the immunoglobulin-like receptor for AGEs (RAGE); and induced apoptosis in GBM cell lines. Targeting GLO1 with shRNA similarly increased CEdG levels and RAGE expression, and was cytotoxic to glioma cells. Mice bearing orthotopic GBM xenografts treated systemically with p-BrBzGSH(Cp)2 exhibited tumor regression without significant off-target effects suggesting that GLO1 inhibition may have value in the therapeutic management of these drug-resistant tumors.
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Eelen G, de Zeeuw P, Treps L, Harjes U, Wong BW, Carmeliet P. Endothelial Cell Metabolism. Physiol Rev 2018; 98:3-58. [PMID: 29167330 PMCID: PMC5866357 DOI: 10.1152/physrev.00001.2017] [Citation(s) in RCA: 304] [Impact Index Per Article: 50.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2017] [Revised: 06/19/2017] [Accepted: 06/22/2017] [Indexed: 02/06/2023] Open
Abstract
Endothelial cells (ECs) are more than inert blood vessel lining material. Instead, they are active players in the formation of new blood vessels (angiogenesis) both in health and (life-threatening) diseases. Recently, a new concept arose by which EC metabolism drives angiogenesis in parallel to well-established angiogenic growth factors (e.g., vascular endothelial growth factor). 6-Phosphofructo-2-kinase/fructose-2,6-bisphosphatase-3-driven glycolysis generates energy to sustain competitive behavior of the ECs at the tip of a growing vessel sprout, whereas carnitine palmitoyltransferase 1a-controlled fatty acid oxidation regulates nucleotide synthesis and proliferation of ECs in the stalk of the sprout. To maintain vascular homeostasis, ECs rely on an intricate metabolic wiring characterized by intracellular compartmentalization, use metabolites for epigenetic regulation of EC subtype differentiation, crosstalk through metabolite release with other cell types, and exhibit EC subtype-specific metabolic traits. Importantly, maladaptation of EC metabolism contributes to vascular disorders, through EC dysfunction or excess angiogenesis, and presents new opportunities for anti-angiogenic strategies. Here we provide a comprehensive overview of established as well as newly uncovered aspects of EC metabolism.
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Affiliation(s)
- Guy Eelen
- Laboratory of Angiogenesis and Vascular Metabolism, Department of Oncology, KU Leuven, Leuven, Belgium; and Laboratory of Angiogenesis and Vascular Metabolism, Center for Cancer Biology, VIB, Leuven, Belgium
| | - Pauline de Zeeuw
- Laboratory of Angiogenesis and Vascular Metabolism, Department of Oncology, KU Leuven, Leuven, Belgium; and Laboratory of Angiogenesis and Vascular Metabolism, Center for Cancer Biology, VIB, Leuven, Belgium
| | - Lucas Treps
- Laboratory of Angiogenesis and Vascular Metabolism, Department of Oncology, KU Leuven, Leuven, Belgium; and Laboratory of Angiogenesis and Vascular Metabolism, Center for Cancer Biology, VIB, Leuven, Belgium
| | - Ulrike Harjes
- Laboratory of Angiogenesis and Vascular Metabolism, Department of Oncology, KU Leuven, Leuven, Belgium; and Laboratory of Angiogenesis and Vascular Metabolism, Center for Cancer Biology, VIB, Leuven, Belgium
| | - Brian W Wong
- Laboratory of Angiogenesis and Vascular Metabolism, Department of Oncology, KU Leuven, Leuven, Belgium; and Laboratory of Angiogenesis and Vascular Metabolism, Center for Cancer Biology, VIB, Leuven, Belgium
| | - Peter Carmeliet
- Laboratory of Angiogenesis and Vascular Metabolism, Department of Oncology, KU Leuven, Leuven, Belgium; and Laboratory of Angiogenesis and Vascular Metabolism, Center for Cancer Biology, VIB, Leuven, Belgium
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Dicarbonyls and Advanced Glycation End-Products in the Development of Diabetic Complications and Targets for Intervention. Int J Mol Sci 2017; 18:ijms18050984. [PMID: 28475116 PMCID: PMC5454897 DOI: 10.3390/ijms18050984] [Citation(s) in RCA: 124] [Impact Index Per Article: 17.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2017] [Revised: 04/11/2017] [Accepted: 05/02/2017] [Indexed: 01/17/2023] Open
Abstract
Advanced glycation end-products (AGEs) are non-enzymatic protein and amino acid adducts as well as DNA adducts which form from dicarbonyls and glucose. AGE formation is enhanced in diabetes and is associated with the development of diabetic complications. In the current review, we discuss mechanisms that lead to enhanced AGE levels in the context of diabetes and diabetic complications. The methylglyoxal-detoxifying glyoxalase system as well as alternative pathways of AGE detoxification are summarized. Therapeutic approaches to interfere with different pathways of AGE formation are presented.
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Jang JH, Kim EA, Park HJ, Sung EG, Song IH, Kim JY, Woo CH, Doh KO, Kim KH, Lee TJ. Methylglyoxal-induced apoptosis is dependent on the suppression of c-FLIP L expression via down-regulation of p65 in endothelial cells. J Cell Mol Med 2017; 21:2720-2731. [PMID: 28444875 PMCID: PMC5661116 DOI: 10.1111/jcmm.13188] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2016] [Accepted: 03/07/2017] [Indexed: 12/13/2022] Open
Abstract
Methylglyoxal (MGO) is a reactive dicarbonyl metabolite of glucose, and its plasma levels are elevated in patients with diabetes. Studies have shown that MGO combines with the amino and sulphhydryl groups of proteins to form stable advanced glycation end products (AGEs), which are associated with vascular endothelial cell (EC) injury and may contribute to the progression of atherosclerosis. In this study, MGO induced apoptosis in a dose-dependent manner in HUVECs, which was attenuated by pre-treatment with z-VAD, a pan caspase inhibitor. Treatment with MGO increased ROS levels, followed by dose-dependent down-regulation of c-FLIPL . In addition, pre-treatment with the ROS scavenger NAC prevented the MGO-induced down-regulation of p65 and c-FLIPL , and the forced expression of c-FLIPL attenuated MGO-mediated apoptosis. Furthermore, MGO-induced apoptotic cell death in endothelium isolated from mouse aortas. Finally, MGO was found to induce apoptosis by down-regulating p65 expression at both the transcriptional and posttranslational levels, and thus, to inhibit c-FLIPL mRNA expression by suppressing NF-κB transcriptional activity. Collectively, this study showed that MGO-induced apoptosis is dependent on c-FLIPL down-regulation via ROS-mediated down-regulation of p65 expression in endothelial cells.
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Affiliation(s)
- Ji Hoon Jang
- Department of Anatomy, College of Medicine, Yeungnam University, Daegu, South Korea
| | - Eun-Ae Kim
- Department of Anatomy, College of Medicine, Yeungnam University, Daegu, South Korea
| | - Hye-Jin Park
- Department of Anatomy, College of Medicine, Yeungnam University, Daegu, South Korea
| | - Eon-Gi Sung
- Department of Anatomy, College of Medicine, Yeungnam University, Daegu, South Korea
| | - In-Hwan Song
- Department of Anatomy, College of Medicine, Yeungnam University, Daegu, South Korea
| | - Joo-Young Kim
- Department of Anatomy, College of Medicine, Yeungnam University, Daegu, South Korea
| | - Chang-Hoon Woo
- Department of Pharmacology, College of Medicine, Yeungnam University, Daegu, South Korea
| | - Kyung-Oh Doh
- Department of Physiology, College of Medicine, Yeungnam University, Daegu, South Korea
| | - Kook Hyun Kim
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Yeungnam University College of Medicine, Daegu, South Korea
| | - Tae-Jin Lee
- Department of Anatomy, College of Medicine, Yeungnam University, Daegu, South Korea
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Mariño L, Maya-Aguirre CA, Pauwels K, Vilanova B, Ortega-Castro J, Frau J, Donoso J, Adrover M. Glycation of Lysozyme by Glycolaldehyde Provides New Mechanistic Insights in Diabetes-Related Protein Aggregation. ACS Chem Biol 2017; 12:1152-1162. [PMID: 28257177 DOI: 10.1021/acschembio.6b01103] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Glycation occurs in vivo as a result of the nonenzymatic reaction of carbohydrates (and/or their autoxidation products) with proteins, DNA, or lipids. Protein glycation causes loss-of-function and, consequently, the development of diabetic-related diseases. Glycation also boosts protein aggregation, which can be directly related with the higher prevalence of aggregating diseases in diabetic people. However, the molecular mechanism connecting glycation with aggregation still remains unclear. Previously we described mechanistically how glycation of hen egg-white lysozyme (HEWL) with ribose induced its aggregation. Here we address the question of whether the ribose-induced aggregation is a general process or it depends on the chemical nature of the glycating agent. Glycation of HEWL with glycolaldehyde occurs through two different scenarios depending on the HEWL concentration regime (both within the micromolar range). At low HEWL concentration, non-cross-linking fluorescent advanced glycation end-products (AGEs) are formed on Lys side chains, which do not change the protein structure but inhibit its enzymatic activity. These AGEs have little impact on HEWL surface hydrophobicity and, therefore, a negligible effect on its aggregation propensity. Upon increasing HEWL concentration, the glycation mechanism shifts toward the formation of intermolecular cross-links, which triggers a polymerization cascade involving the formation of insoluble spherical-like aggregates. These results notably differ with the aggregation-modulation mechanism of ribosylated HEWL directed by hydrophobic interactions. Additionally, their comparison constitutes the first experimental evidence showing that the mechanism underlying the aggregation of a glycated protein depends on the chemical nature of the glycating agent.
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Affiliation(s)
- Laura Mariño
- University Institute of Health Sciences (UNICS-IdisPa), Ctra. Valldemossa 79, E-07010, Palma de Mallorca, Spain
- Departament
de Química, Universitat de les Illes Balears, Ctra. Valldemossa
km 7.5, E-07122, Palma de Mallorca, Spain
| | - Carlos Andrés Maya-Aguirre
- Departament
de Química, Universitat de les Illes Balears, Ctra. Valldemossa
km 7.5, E-07122, Palma de Mallorca, Spain
| | - Kris Pauwels
- Structural
Biology Brussels, Vrije Universiteit Brussels, Pleinlaan 2, 1050 Brussels, Belgium
- VIB
Structural Biology Research Centre, Vlaams Instituut voor Biotechnologie, Pleinlaan 2, 1050 Brussels, Belgium
| | - Bartolomé Vilanova
- University Institute of Health Sciences (UNICS-IdisPa), Ctra. Valldemossa 79, E-07010, Palma de Mallorca, Spain
- Departament
de Química, Universitat de les Illes Balears, Ctra. Valldemossa
km 7.5, E-07122, Palma de Mallorca, Spain
| | - Joaquin Ortega-Castro
- University Institute of Health Sciences (UNICS-IdisPa), Ctra. Valldemossa 79, E-07010, Palma de Mallorca, Spain
- Departament
de Química, Universitat de les Illes Balears, Ctra. Valldemossa
km 7.5, E-07122, Palma de Mallorca, Spain
| | - Juan Frau
- University Institute of Health Sciences (UNICS-IdisPa), Ctra. Valldemossa 79, E-07010, Palma de Mallorca, Spain
- Departament
de Química, Universitat de les Illes Balears, Ctra. Valldemossa
km 7.5, E-07122, Palma de Mallorca, Spain
| | - Josefa Donoso
- University Institute of Health Sciences (UNICS-IdisPa), Ctra. Valldemossa 79, E-07010, Palma de Mallorca, Spain
- Departament
de Química, Universitat de les Illes Balears, Ctra. Valldemossa
km 7.5, E-07122, Palma de Mallorca, Spain
| | - Miquel Adrover
- University Institute of Health Sciences (UNICS-IdisPa), Ctra. Valldemossa 79, E-07010, Palma de Mallorca, Spain
- Departament
de Química, Universitat de les Illes Balears, Ctra. Valldemossa
km 7.5, E-07122, Palma de Mallorca, Spain
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