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Yang Y, Wang HL, Cheng RT, Zheng PR, Sun HP, Liu ZW, Yuan H, Liu XY, Gao WY, Li H. Determination of α-Dicarbonyl compounds in traditional Chinese herbal medicines. Fitoterapia 2024; 175:105928. [PMID: 38548027 DOI: 10.1016/j.fitote.2024.105928] [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: 12/21/2023] [Revised: 03/09/2024] [Accepted: 03/25/2024] [Indexed: 04/14/2024]
Abstract
α-DCs (α-dicarbonyls) have been proven to be closely related to aging and the onset and development of many chronic diseases. The wide presence of this kind of components in various foods and beverages has been unambiguously determined, but their occurrence in various phytomedicines remains in obscurity. In this study, we established and evaluated an HPLC-UV method and used it to measure the contents of four α-DCs including 3-deoxyglucosone (3-DG), glyoxal (GO), methylglyoxal (MGO), and diacetyl (DA) in 35 Chinese herbs after they have been derivatized with 4-nitro-1,2-phenylenediamine. The results uncover that 3-DG is the major component among the α-DCs, being detectable in all the selected herbs in concentrations ranging from 22.80 μg/g in the seeds of Alpinia katsumadai to 7032.75 μg/g in the fruit of Siraitia grosuenorii. The contents of the other three compounds are much lower than those of 3-DG, with GO being up to 22.65 μg/g, MGO being up to 55.50 μg/g, and DA to 18.75 μg/g, respectively. The data show as well the contents of the total four α-DCs in the herbs are generally in a comparable level to those in various foods, implying that herb medicines may have potential risks on human heath in view of the α-DCs.
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Affiliation(s)
- Yang Yang
- College of Life Sciences and Key Laboratory of Resource Biology and Biotechnology in Western China (Ministry of Education), Northwest University, 229 North Taibai Road, Xi'an, Shaanxi 710069, China; School of Pharmacy, Xi'an Medical University, 1 Xinwang Road, Xi'an, Shaanxi 710021, China
| | - Hai-Ling Wang
- College of Life Sciences and Key Laboratory of Resource Biology and Biotechnology in Western China (Ministry of Education), Northwest University, 229 North Taibai Road, Xi'an, Shaanxi 710069, China
| | - Rui-Tong Cheng
- College of Life Sciences and Key Laboratory of Resource Biology and Biotechnology in Western China (Ministry of Education), Northwest University, 229 North Taibai Road, Xi'an, Shaanxi 710069, China
| | - Pei-Rong Zheng
- College of Life Sciences and Key Laboratory of Resource Biology and Biotechnology in Western China (Ministry of Education), Northwest University, 229 North Taibai Road, Xi'an, Shaanxi 710069, China
| | - Hui-Peng Sun
- College of Life Sciences and Key Laboratory of Resource Biology and Biotechnology in Western China (Ministry of Education), Northwest University, 229 North Taibai Road, Xi'an, Shaanxi 710069, China
| | - Zhi-Wen Liu
- College of Life Sciences and Key Laboratory of Resource Biology and Biotechnology in Western China (Ministry of Education), Northwest University, 229 North Taibai Road, Xi'an, Shaanxi 710069, China
| | - Heng Yuan
- College of Life Sciences and Key Laboratory of Resource Biology and Biotechnology in Western China (Ministry of Education), Northwest University, 229 North Taibai Road, Xi'an, Shaanxi 710069, China
| | - Xue-Yi Liu
- College of Life Sciences and Key Laboratory of Resource Biology and Biotechnology in Western China (Ministry of Education), Northwest University, 229 North Taibai Road, Xi'an, Shaanxi 710069, China
| | - Wen-Yun Gao
- College of Life Sciences and Key Laboratory of Resource Biology and Biotechnology in Western China (Ministry of Education), Northwest University, 229 North Taibai Road, Xi'an, Shaanxi 710069, China.
| | - Heng Li
- College of Life Sciences and Key Laboratory of Resource Biology and Biotechnology in Western China (Ministry of Education), Northwest University, 229 North Taibai Road, Xi'an, Shaanxi 710069, China.
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Yang Y, Liu XY, Zhao Q, Wu D, Ren JT, Ma M, Li PY, Wu JC, Gao WY, Li H. Changes in α-Dicarbonyl Compound Contents during Storage of Various Fruits and Juices. Foods 2024; 13:1509. [PMID: 38790808 PMCID: PMC11119979 DOI: 10.3390/foods13101509] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2024] [Revised: 05/08/2024] [Accepted: 05/09/2024] [Indexed: 05/26/2024] Open
Abstract
α-Dicarbonyl compounds (α-DCs) are commonly present in various foods. We conducted the investigation into concentration changes of α-DCs including 3-deoxyglucosone (3-DG), glyoxal (GO), and methylglyoxal (MGO) in fresh fruits and decapped commercial juices during storage at room temperature and 4 °C, as well as in homemade juices during storage at 4 °C. The studies indicate the presence of α-DCs in all samples. The initial contents of 3-DG in the commercial juices (6.74 to 65.61 μg/mL) are higher than those in the homemade ones (1.97 to 4.65 μg/mL) as well as fruits (1.58 to 3.33 μg/g). The initial concentrations of GO and MGO are normally less than 1 μg/mL in all samples. During storage, the α-DC levels in the fruits exhibit an initial increase followed by a subsequent decrease, whereas, in all juices, they tend to accumulate continuously over time. As expected, 4 °C storage reduces the increase rates of the α-DC concentrations in most samples. From the viewpoint of the α-DC contents, fruits and homemade juices should always be the first choice for daily intake of nutrients and commercial juices ought to be mostly avoided.
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Affiliation(s)
- Yang Yang
- College of Life Sciences, Northwest University, 229 North Taibai Road, Xi’an 710069, China; (Y.Y.); (X.-Y.L.); (Q.Z.); (D.W.); (J.-T.R.); (M.M.); (P.-Y.L.); (J.-C.W.); (W.-Y.G.)
- School of Pharmacy, Xi’an Medical University, 1 Xinwang Road, Xi’an 710021, China
| | - Xue-Yi Liu
- College of Life Sciences, Northwest University, 229 North Taibai Road, Xi’an 710069, China; (Y.Y.); (X.-Y.L.); (Q.Z.); (D.W.); (J.-T.R.); (M.M.); (P.-Y.L.); (J.-C.W.); (W.-Y.G.)
| | - Qian Zhao
- College of Life Sciences, Northwest University, 229 North Taibai Road, Xi’an 710069, China; (Y.Y.); (X.-Y.L.); (Q.Z.); (D.W.); (J.-T.R.); (M.M.); (P.-Y.L.); (J.-C.W.); (W.-Y.G.)
| | - Dan Wu
- College of Life Sciences, Northwest University, 229 North Taibai Road, Xi’an 710069, China; (Y.Y.); (X.-Y.L.); (Q.Z.); (D.W.); (J.-T.R.); (M.M.); (P.-Y.L.); (J.-C.W.); (W.-Y.G.)
| | - Jin-Tao Ren
- College of Life Sciences, Northwest University, 229 North Taibai Road, Xi’an 710069, China; (Y.Y.); (X.-Y.L.); (Q.Z.); (D.W.); (J.-T.R.); (M.M.); (P.-Y.L.); (J.-C.W.); (W.-Y.G.)
| | - Meng Ma
- College of Life Sciences, Northwest University, 229 North Taibai Road, Xi’an 710069, China; (Y.Y.); (X.-Y.L.); (Q.Z.); (D.W.); (J.-T.R.); (M.M.); (P.-Y.L.); (J.-C.W.); (W.-Y.G.)
| | - Pei-Yun Li
- College of Life Sciences, Northwest University, 229 North Taibai Road, Xi’an 710069, China; (Y.Y.); (X.-Y.L.); (Q.Z.); (D.W.); (J.-T.R.); (M.M.); (P.-Y.L.); (J.-C.W.); (W.-Y.G.)
| | - Jia-Cai Wu
- College of Life Sciences, Northwest University, 229 North Taibai Road, Xi’an 710069, China; (Y.Y.); (X.-Y.L.); (Q.Z.); (D.W.); (J.-T.R.); (M.M.); (P.-Y.L.); (J.-C.W.); (W.-Y.G.)
| | - Wen-Yun Gao
- College of Life Sciences, Northwest University, 229 North Taibai Road, Xi’an 710069, China; (Y.Y.); (X.-Y.L.); (Q.Z.); (D.W.); (J.-T.R.); (M.M.); (P.-Y.L.); (J.-C.W.); (W.-Y.G.)
| | - Heng Li
- College of Life Sciences, Northwest University, 229 North Taibai Road, Xi’an 710069, China; (Y.Y.); (X.-Y.L.); (Q.Z.); (D.W.); (J.-T.R.); (M.M.); (P.-Y.L.); (J.-C.W.); (W.-Y.G.)
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Herraiz T, Salgado A. Formation, Identification, and Occurrence of the Furan-Containing β-Carboline Flazin Derived from l-Tryptophan and Carbohydrates. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2024; 72:6575-6584. [PMID: 38470992 PMCID: PMC10979450 DOI: 10.1021/acs.jafc.3c07773] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/23/2023] [Revised: 02/19/2024] [Accepted: 02/26/2024] [Indexed: 03/14/2024]
Abstract
β-Carbolines (βCs) are bioactive indole alkaloids found in foods and in vivo. This work describes the identification, formation, and occurrence in foods of the βC with a furan moiety flazin (1-[5-(hydroxymethyl)furan-2-yl]-9H-pyrido[3,4-b]indole-3-carboxylic acid). Flazin was formed by the reaction of l-tryptophan with 3-deoxyglucosone but not with 5-hydroxymethylfurfural. Its formation was favored in acidic conditions and heating (70-110 °C). The proposed mechanism of formation occurs through the formation of intermediates 3,4-dihydro-β-carboline-3-carboxylic acid (imines), followed by the oxidation to C═O in the carbohydrate chain and aromatization to βC ring with subsequent dehydration steps and cyclization to afford the furan moiety. Flazin is generated in the reactions of tryptophan with carbohydrates. Its formation from fructose was higher than from glucose, whereas sucrose gave flazin under acidic conditions and heating owing to hydrolysis. Flazin was identified in foods by HPLC-MS, and its content was determined by HPLC-fluorescence. It occurred in numerous processed foods, such as tomato products, including crushed tomato puree, fried tomato, ketchup, tomato juices, and jams, but also in soy sauce, beer, balsamic vinegar, fruit juices, dried fruits, fried onions, and honey. Their concentrations ranged from not detected to 22.3 μg/mL, with the highest mean levels found in tomato concentrate (13.9 μg/g) and soy sauce (9.4 μg/mL). Flazin was formed during the heating process, as shown in fresh tomato juice and crushed tomatoes. These results indicate that flazin is widely present in foods and is daily uptaken in the diet.
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Affiliation(s)
- Tomás Herraiz
- Instituto
de Ciencia y Tecnología de Alimentos y Nutrición (ICTAN-CSIC), Spanish National Research Council (CSIC), José Antonio Novais 6, Ciudad Universitaria, Madrid 28040, Spain
| | - Antonio Salgado
- Centro
de Espectroscopía de RMN (CERMN), Universidad de Alcalá (UAH), Campus Universitario Ctra. Madrid-Barcelona km
33.6, Alcalá de Henares, Madrid 28805, Spain
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Herraiz T, Peña A, Salgado A. Identification, Formation, and Occurrence of Perlolyrine: A β-Carboline Alkaloid with a Furan Moiety in Foods. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2023; 71:13451-13461. [PMID: 37651628 PMCID: PMC10510388 DOI: 10.1021/acs.jafc.3c03612] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/30/2023] [Revised: 08/17/2023] [Accepted: 08/17/2023] [Indexed: 09/02/2023]
Abstract
β-Carbolines are naturally occurring bioactive alkaloids found in foods and in vivo. This research reports the identification, characterization, mechanism of formation, and occurrence of perlolyrine (1-(5-(hydroxymethyl)furan-2-yl)-9H-pyrido[3,4-b]indole), a β-carboline with a furan moiety. Perlolyrine did not arise from l-tryptophan and hydroxymethylfurfural but from the reaction of l-tryptophan with 3-deoxyglucosone, an intermediate of carbohydrate degradation. The mechanism of formation occurs through 3,4-dihydro-β-carboline-3-carboxylic acid intermediates (imines), followed by the oxidation of C1'-OH to ketoimine and oxidative decarboxylation at C-3, along with dehydration and cyclization to afford the β-carboline with a furan moiety. The formation of perlolyrine was favored in acidic conditions and temperatures in the range of 70-110 °C. Perlolyrine occurred in the reactions of tryptophan with carbohydrates. The formation rate from fructose was much higher than from glucose. Sucrose also gave perlolyrine under acidic conditions and heating. Perlolyrine was identified in many foods by HPLC-MS and analyzed by HPLC-fluorescence. It occurred in many processed foods such as tomato products including tomato puree, fried tomato, ketchups, tomato juices, and jams but also in soy sauce, beer, balsamic vinegar, fruit juices, dried fruits, fried onion, and honey. The concentrations ranged from an undetected amount to 3.5 μg/g with the highest average levels found in tomato concentrate (1.9 μg/g) and soy sauce (1.5 μg/mL). The results show that perlolyrine formed during the heating process of foods. It is concluded that perlolyrine is widely present in foods and it is daily ingested in the diet.
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Affiliation(s)
- Tomás Herraiz
- Spanish
National Research Council (CSIC), Instituto
de Ciencia y Tecnología de Alimentos y Nutrición
(ICTAN-CSIC), José Antonio Novais 6, Ciudad Universitaria, 28040 Madrid, Spain
| | - Adriana Peña
- Spanish
National Research Council (CSIC), Instituto
de Ciencia y Tecnología de Alimentos y Nutrición
(ICTAN-CSIC), José Antonio Novais 6, Ciudad Universitaria, 28040 Madrid, Spain
| | - Antonio Salgado
- Centro
de Espectroscopía de RMN (CERMN), Universidad de Alcalá (UAH), Campus Universitario Ctra. Madrid-Barcelona km
33.6, 28805 Alcalá
de Henares, Madrid, Spain
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5
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Kitamura N, Galligan JJ. A global view of the human post-translational modification landscape. Biochem J 2023; 480:1241-1265. [PMID: 37610048 PMCID: PMC10586784 DOI: 10.1042/bcj20220251] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2023] [Revised: 07/26/2023] [Accepted: 08/07/2023] [Indexed: 08/24/2023]
Abstract
Post-translational modifications (PTMs) provide a rapid response to stimuli, finely tuning metabolism and gene expression and maintain homeostasis. Advances in mass spectrometry over the past two decades have significantly expanded the list of known PTMs in biology and as instrumentation continues to improve, this list will surely grow. While many PTMs have been studied in detail (e.g. phosphorylation, acetylation), the vast majority lack defined mechanisms for their regulation and impact on cell fate. In this review, we will highlight the field of PTM research as it currently stands, discussing the mechanisms that dictate site specificity, analytical methods for their detection and study, and the chemical tools that can be leveraged to define PTM regulation. In addition, we will highlight the approaches needed to discover and validate novel PTMs. Lastly, this review will provide a starting point for those interested in PTM biology, providing a comprehensive list of PTMs and what is known regarding their regulation and metabolic origins.
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Affiliation(s)
- Naoya Kitamura
- Department of Pharmacology and College of Pharmacy, University of Arizona, Tucson, Arizona 85721, U.S.A
| | - James J. Galligan
- Department of Pharmacology and College of Pharmacy, University of Arizona, Tucson, Arizona 85721, U.S.A
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6
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Rubio K, Hernández-Cruz EY, Rogel-Ayala DG, Sarvari P, Isidoro C, Barreto G, Pedraza-Chaverri J. Nutriepigenomics in Environmental-Associated Oxidative Stress. Antioxidants (Basel) 2023; 12:antiox12030771. [PMID: 36979019 PMCID: PMC10045733 DOI: 10.3390/antiox12030771] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2023] [Revised: 03/12/2023] [Accepted: 03/14/2023] [Indexed: 03/30/2023] Open
Abstract
Complex molecular mechanisms define our responses to environmental stimuli. Beyond the DNA sequence itself, epigenetic machinery orchestrates changes in gene expression induced by diet, physical activity, stress and pollution, among others. Importantly, nutrition has a strong impact on epigenetic players and, consequently, sustains a promising role in the regulation of cellular responses such as oxidative stress. As oxidative stress is a natural physiological process where the presence of reactive oxygen-derived species and nitrogen-derived species overcomes the uptake strategy of antioxidant defenses, it plays an essential role in epigenetic changes induced by environmental pollutants and culminates in signaling the disruption of redox control. In this review, we present an update on epigenetic mechanisms induced by environmental factors that lead to oxidative stress and potentially to pathogenesis and disease progression in humans. In addition, we introduce the microenvironment factors (physical contacts, nutrients, extracellular vesicle-mediated communication) that influence the epigenetic regulation of cellular responses. Understanding the mechanisms by which nutrients influence the epigenome, and thus global transcription, is crucial for future early diagnostic and therapeutic efforts in the field of environmental medicine.
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Affiliation(s)
- Karla Rubio
- International Laboratory EPIGEN, Consejo de Ciencia y Tecnología del Estado de Puebla (CONCYTEP), Instituto de Ciencias, Ecocampus, Benemérita Universidad Autónoma de Puebla (BUAP), Puebla 72570, Mexico
- Laboratoire IMoPA, Université de Lorraine, CNRS, UMR 7365, F-54000 Nancy, France
- Lung Cancer Epigenetics, Max-Planck-Institute for Heart and Lung Research, 61231 Bad Nauheim, Germany
| | - Estefani Y Hernández-Cruz
- Postgraduate in Biological Sciences, Universidad Nacional Autónoma de México, Ciudad Universitaria, Ciudad de Mexico 04510, Mexico
- Departamento de Biología, Facultad de Química, Universidad Nacional Autónoma de México, Av. Universidad 3000, Ciudad de Mexico 04510, Mexico
| | - Diana G Rogel-Ayala
- Laboratoire IMoPA, Université de Lorraine, CNRS, UMR 7365, F-54000 Nancy, France
- Lung Cancer Epigenetics, Max-Planck-Institute for Heart and Lung Research, 61231 Bad Nauheim, Germany
| | | | - Ciro Isidoro
- Department of Health Sciences, Università del Piemonte Orientale, Via Paolo Solaroli 17, 28100 Novara, Italy
| | - Guillermo Barreto
- International Laboratory EPIGEN, Consejo de Ciencia y Tecnología del Estado de Puebla (CONCYTEP), Instituto de Ciencias, Ecocampus, Benemérita Universidad Autónoma de Puebla (BUAP), Puebla 72570, Mexico
- Laboratoire IMoPA, Université de Lorraine, CNRS, UMR 7365, F-54000 Nancy, France
- Lung Cancer Epigenetics, Max-Planck-Institute for Heart and Lung Research, 61231 Bad Nauheim, Germany
| | - José Pedraza-Chaverri
- Departamento de Biología, Facultad de Química, Universidad Nacional Autónoma de México, Av. Universidad 3000, Ciudad de Mexico 04510, Mexico
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Lauriola M, Farré R, Evenepoel P, Overbeek SA, Meijers B. Food-Derived Uremic Toxins in Chronic Kidney Disease. Toxins (Basel) 2023; 15:toxins15020116. [PMID: 36828430 PMCID: PMC9960799 DOI: 10.3390/toxins15020116] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2022] [Revised: 01/23/2023] [Accepted: 01/25/2023] [Indexed: 02/04/2023] Open
Abstract
Patients with chronic kidney disease (CKD) have a higher cardiovascular risk compared to the average population, and this is partially due to the plasma accumulation of solutes known as uremic toxins. The binding of some solutes to plasma proteins complicates their removal via conventional therapies, e.g., hemodialysis. Protein-bound uremic toxins originate either from endogenous production, diet, microbial metabolism, or the environment. Although the impact of diet on uremic toxicity in CKD is difficult to quantify, nutrient intake plays an important role. Indeed, most uremic toxins are gut-derived compounds. They include Maillard reaction products, hippurates, indoles, phenols, and polyamines, among others. In this review, we summarize the findings concerning foods and dietary components as sources of uremic toxins or their precursors. We then discuss their endogenous metabolism via human enzyme reactions or gut microbial fermentation. Lastly, we present potential dietary strategies found to be efficacious or promising in lowering uremic toxins plasma levels. Aligned with current nutritional guidelines for CKD, a low-protein diet with increased fiber consumption and limited processed foods seems to be an effective treatment against uremic toxins accumulation.
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Affiliation(s)
- Mara Lauriola
- Laboratory of Nephrology and Renal Transplantation, Department of Microbiology, Immunology and Transplantation, KU Leuven, 3000 Leuven, Belgium
- Department of Nephrology and Renal Transplantation, University Hospitals Leuven, 3000 Leuven, Belgium
| | - Ricard Farré
- Translational Research Center for Gastrointestinal Disorders (TARGID), Department of Chronic Diseases and Metabolism (CHROMETA), KU Leuven, 3000 Leuven, Belgium
| | - Pieter Evenepoel
- Laboratory of Nephrology and Renal Transplantation, Department of Microbiology, Immunology and Transplantation, KU Leuven, 3000 Leuven, Belgium
- Department of Nephrology and Renal Transplantation, University Hospitals Leuven, 3000 Leuven, Belgium
| | | | - Björn Meijers
- Laboratory of Nephrology and Renal Transplantation, Department of Microbiology, Immunology and Transplantation, KU Leuven, 3000 Leuven, Belgium
- Department of Nephrology and Renal Transplantation, University Hospitals Leuven, 3000 Leuven, Belgium
- Correspondence: ; Tel.: +32-16-344-580
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8
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Borysiuk K, Ostaszewska-Bugajska M, Kryzheuskaya K, Gardeström P, Szal B. Glyoxalase I activity affects Arabidopsis sensitivity to ammonium nutrition. PLANT CELL REPORTS 2022; 41:2393-2413. [PMID: 36242617 PMCID: PMC9700585 DOI: 10.1007/s00299-022-02931-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/01/2022] [Accepted: 09/26/2022] [Indexed: 06/16/2023]
Abstract
Elevated methylglyoxal levels contribute to ammonium-induced growth disorders in Arabidopsis thaliana. Methylglyoxal detoxification pathway limitation, mainly the glyoxalase I activity, leads to enhanced sensitivity of plants to ammonium nutrition. Ammonium applied to plants as the exclusive source of nitrogen often triggers multiple phenotypic effects, with severe growth inhibition being the most prominent symptom. Glycolytic flux increase, leading to overproduction of its toxic by-product methylglyoxal (MG), is one of the major metabolic consequences of long-term ammonium nutrition. This study aimed to evaluate the influence of MG metabolism on ammonium-dependent growth restriction in Arabidopsis thaliana plants. As the level of MG in plant cells is maintained by the glyoxalase (GLX) system, we analyzed MG-related metabolism in plants with a dysfunctional glyoxalase pathway. We report that MG detoxification, based on glutathione-dependent glyoxalases, is crucial for plants exposed to ammonium nutrition, and its essential role in ammonium sensitivity relays on glyoxalase I (GLXI) activity. Our results indicated that the accumulation of MG-derived advanced glycation end products significantly contributes to the incidence of ammonium toxicity symptoms. Using A. thaliana frostbite1 as a model plant that overcomes growth repression on ammonium, we have shown that its resistance to enhanced MG levels is based on increased GLXI activity and tolerance to elevated MG-derived advanced glycation end-product (MAGE) levels. Furthermore, our results show that glyoxalase pathway activity strongly affects cellular antioxidative systems. Under stress conditions, the disruption of the MG detoxification pathway limits the functioning of antioxidant defense. However, under optimal growth conditions, a defect in the MG detoxification route results in the activation of antioxidative systems.
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Affiliation(s)
- Klaudia Borysiuk
- Department of Plant Bioenergetics, Institute of Experimental Plant Biology and Biotechnology, Faculty of Biology, University of Warsaw, Miecznikowa 1, 02-096, Warsaw, Poland
| | - Monika Ostaszewska-Bugajska
- Department of Plant Bioenergetics, Institute of Experimental Plant Biology and Biotechnology, Faculty of Biology, University of Warsaw, Miecznikowa 1, 02-096, Warsaw, Poland
| | - Katsiaryna Kryzheuskaya
- Department of Plant Bioenergetics, Institute of Experimental Plant Biology and Biotechnology, Faculty of Biology, University of Warsaw, Miecznikowa 1, 02-096, Warsaw, Poland
| | - Per Gardeström
- Department of Plant Physiology, Umeå Plant Science Centre, Umeå University, 90187, Umeå, Sweden
| | - Bożena Szal
- Department of Plant Bioenergetics, Institute of Experimental Plant Biology and Biotechnology, Faculty of Biology, University of Warsaw, Miecznikowa 1, 02-096, Warsaw, Poland.
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9
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Metabolization of the glycation compounds 3-deoxyglucosone and 5-hydroxymethylfurfural by Saccharomyces yeasts. Eur Food Res Technol 2022. [DOI: 10.1007/s00217-022-04137-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
AbstractThe Maillard reaction products (MRPs) 3-deoxyglucosone (3-DG) and 5-hydroxymethylfurfural (HMF), which are formed during the thermal processing and storage of food, come into contact with technologically used yeasts during the fermentation of beer and wine. In order for the yeast cells to work efficiently, handling of the stress-inducing carbonyl compounds is essential. In the present study, the utilization of 3-DG and HMF by 13 Saccharomyces yeast strains (7 brewer’s yeast strains, 1 wine yeast strain, 6 yeast strains isolated from natural habitats) was investigated. All yeast strains studied were able to metabolize 3-DG and HMF. 3-DG is mainly reduced to 3-deoxyfructose (3-DF) and HMF is completely converted to 2,5-bishydroxymethylfuran (BHMF) and 5-formyl-2-furancarboxylic acid (FFCA). The ratio of conversion of HMF to BHMF and FFCA was found to be yeast strain-specific and no differences in the HMF stress tolerance of the yeast strains and species were observed. After incubation with 3-DG, varying amounts of intra- and extracellular 3-DF were found, pointing to a faster transport of 3-DG into the cells in the case of brewer’s yeast strains. Furthermore, the brewer’s yeast strains showed a significantly higher 3-DG stress resistance than the investigated yeast strains isolated from natural habitats. Thus, it can be shown for the first time that Saccharomyces yeast strains differ in their interaction of 3-DG induced carbonyl stress.
Graphical abstract
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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; 11:1513. [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] [Grants] [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;
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11
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Herraiz T, Peña A, Mateo H, Herraiz M, Salgado A. Formation, Characterization, and Occurrence of β-Carboline Alkaloids Derived from α-Dicarbonyl Compounds and l-Tryptophan. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2022; 70:9143-9153. [PMID: 35819924 PMCID: PMC9335879 DOI: 10.1021/acs.jafc.2c03187] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
β-Carbolines (βCs) are naturally occurring bioactive alkaloids, whereas α-dicarbonyl compounds are reactive substances generated in foods and in vivo. In this work, l-tryptophan reacted with α-dicarbonyl compounds affording new β-carbolines. Glyoxal afforded 1-hydroxymethyl-β-carboline (HME-βC) and its 3-carboxylic acid, and methylglyoxal afforded 1-(1-hydroxyethyl)-β-carboline (HET-βC) and its 3-carboxylic acid. 3-Deoxyglucosone afforded 1-(1,3,4,5-tetrahydroxypent-1-yl)-β-carboline isomers (1a/b), 1-(1,4,5-trihydroxypent-1-yl)-β-carboline (2), and 1-(1,5-dihydroxypent-3-en-1-yl)-β-carboline (3). The formation of these βCs increased under acidic conditions and with increasing temperature. A mechanism is proposed explaining the conversion of a carbonyl into a hydroxy group based on tautomerism and cyclization to the dihydro-βC-3-COOH intermediates, which were isolated and gave the βCs. These α-dicarbonyl-derived βCs occurred in model reactions of l-tryptophan with fructose or glucose incubated under heating and can be considered as advanced glycation end products (AGEs). They were also present in foods and formed during heating processes. HET-βC appeared in processed foods, reaching up to 309 ng/g, with the highest amount found in dried tomato, fried onion, toasted bread, and Manuka honey. HME-βC was only detected in some foods with lower amounts than HET-βC. HET-βC appeared in foods as a racemic mixture of enantiomers suggesting the same mechanism of formation as the synthetized product. α-Dicarbonyl-derived βCs (HET-βC, HME-βC, and 1a/b-3) occur in foods and food processing and, therefore, they are ingested during diet.
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Affiliation(s)
- Tomás Herraiz
- Spanish
National Research Council (CSIC), Instituto
de Ciencia y Tenología de Alimentos y Nutrición (ICTAN-CSIC), Jose Antonio Novais 10, Ciudad Universitaria, 28040 Madrid, Spain
| | - Adriana Peña
- Spanish
National Research Council (CSIC), Instituto
de Ciencia y Tenología de Alimentos y Nutrición (ICTAN-CSIC), Jose Antonio Novais 10, Ciudad Universitaria, 28040 Madrid, Spain
| | - Haroll Mateo
- Spanish
National Research Council (CSIC), Instituto
de Ciencia y Tenología de Alimentos y Nutrición (ICTAN-CSIC), Jose Antonio Novais 10, Ciudad Universitaria, 28040 Madrid, Spain
| | - Marta Herraiz
- Spanish
National Research Council (CSIC), Instituto
de Ciencia y Tenología de Alimentos y Nutrición (ICTAN-CSIC), Jose Antonio Novais 10, Ciudad Universitaria, 28040 Madrid, Spain
| | - Antonio Salgado
- Centro
de Espectroscopía de RMN (CERMN), Universidad de Alcalá (UAH), Campus Universitario Ctra. Madrid-Barcelona km
33.6, 28805 Alcalá
de Henares, Madrid, Spain
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12
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Rietjens IMCM, Michael A, Bolt HM, Siméon B, Andrea H, Nils H, Christine K, Angela M, Gloria P, Daniel R, Natalie T, Gerhard E. The role of endogenous versus exogenous sources in the exposome of putative genotoxins and consequences for risk assessment. Arch Toxicol 2022; 96:1297-1352. [PMID: 35249149 PMCID: PMC9013691 DOI: 10.1007/s00204-022-03242-0] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2022] [Accepted: 02/01/2022] [Indexed: 12/21/2022]
Abstract
The "totality" of the human exposure is conceived to encompass life-associated endogenous and exogenous aggregate exposures. Process-related contaminants (PRCs) are not only formed in foods by heat processing, but also occur endogenously in the organism as physiological components of energy metabolism, potentially also generated by the human microbiome. To arrive at a comprehensive risk assessment, it is necessary to understand the contribution of in vivo background occurrence as compared to the ingestion from exogenous sources. Hence, this review provides an overview of the knowledge on the contribution of endogenous exposure to the overall exposure to putative genotoxic food contaminants, namely ethanol, acetaldehyde, formaldehyde, acrylamide, acrolein, α,β-unsaturated alkenals, glycation compounds, N-nitroso compounds, ethylene oxide, furans, 2- and 3-MCPD, and glycidyl esters. The evidence discussed herein allows to conclude that endogenous formation of some contaminants appears to contribute substantially to the exposome. This is of critical importance for risk assessment in the cases where endogenous exposure is suspected to outweigh the exogenous one (e.g. formaldehyde and acrolein).
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Affiliation(s)
- Ivonne M C M Rietjens
- Division of Toxicology, Wageningen University, Stippeneng 4, 6708 WE, Wageningen, The Netherlands.
| | - Arand Michael
- Institute of Pharmacology and Toxicology, University of Zurich, Winterthurerstr. 190, 8057, Zurich, Switzerland
| | - Hermann M Bolt
- Department of Toxicology, Leibniz Research Centre for Working Environment and Human Factors at TU Dortmund (IfADo), Ardeystr. 67, 44139, Dortmund, Germany
| | | | - Hartwig Andrea
- Department of Food Chemistry and Toxicology, Institute of Applied Biosciences (IAB), Karlsruhe Institute of Technology (KIT), Adenauerring 20a, 76131, Karlsruhe, Germany
| | - Hinrichsen Nils
- Food Oils and Fats Research, ADM Hamburg AG, Research, Seehafenstraße 24, 21079, Hamburg, Germany
| | - Kalisch Christine
- Department of Toxicology, University of Würzburg, Versbacher Straße 9, 97078, Wurzburg, Germany
| | - Mally Angela
- Department of Toxicology, University of Würzburg, Versbacher Straße 9, 97078, Wurzburg, Germany
| | - Pellegrino Gloria
- Scientific Affairs and Research, Luigi Lavazza SpA, Strada Settimo, 410, 10156, Turin, Italy
| | - Ribera Daniel
- Regulatory and Scientific Affairs EMEA, Cargill R&D, Havenstraat 84, 1800, Vivoorde, Belgium
| | - Thatcher Natalie
- Food Safety, Mondelez International, Bournville Lane, Birmingham, B30 2LU, UK
| | - Eisenbrand Gerhard
- Department of Toxicology and Food Chemistry, University of Kaiserslautern, Kühler Grund 48/1, 69126, Heidelberg, Germany
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13
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In Vitro Reactivity of the Glucose Degradation Product 3,4-Dideoxyglucosone-3-ene (3,4-DGE) towards Abundant Components of the Human Blood Circulatory System. Int J Mol Sci 2022; 23:ijms23094557. [PMID: 35562948 PMCID: PMC9103577 DOI: 10.3390/ijms23094557] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2022] [Revised: 04/13/2022] [Accepted: 04/17/2022] [Indexed: 01/27/2023] Open
Abstract
3,4-Dideoxyglucosone-3-ene (3,4-DGE) is a glucose degradation product present in processed foods and medicinal products. Additionally, its constant formation from 3-deoxyglucosone in plasma has been suggested. Due to its α,β-unsaturated dicarbonyl moiety, 3,4-DGE is highly reactive and has shown harmful effects in vitro. Here, we investigated the impact of major components of the human blood circulatory system on 3,4-DGE in vitro. Under physiological conditions, plasma concentrations of human serum albumin (HSA) reacted efficiently with 3,4-DGE, resulting in only 8.5% of the initial 3,4-DGE concentration after seven hours (vs. 83.4% without HSA, p < 0.001). Thereby, accessible thiol groups were reduced from 0.121 to 0.064 mol/mol HSA, whereas ketoprofen binding and esterase-like activity of HSA were not affected. Plasma concentrations of glutathione (GSH) reacted immediately and completely with 3,4-DGE, leading to two stereoisomeric adducts. Plasma concentrations of immunoglobulin G (IgG) bound to 3,4-DGE to a lower extent, resulting in 62.6% 3,4-DGE after seven hours (vs. 82.2% in the control, p < 0.01). Immobilized human collagen type IV did not alter 3,4-DGE concentrations. The results indicated that particularly HSA, GSH, and IgG readily scavenge 3,4-DGE after its appearance in the blood stream, which may be associated with a reduced antioxidative and cytoprotective activity for the living cells and, thus, the human organism by blocking free thiol groups.
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14
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Wang M, Dingler FA, Patel KJ. Genotoxic aldehydes in the hematopoietic system. Blood 2022; 139:2119-2129. [PMID: 35148375 DOI: 10.1182/blood.2019004316] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2021] [Accepted: 01/24/2022] [Indexed: 11/20/2022] Open
Abstract
Reactive aldehydes are potent genotoxins that threaten the integrity of hematopoietic stem cells and blood production. To protect against aldehydes, mammals have evolved a family of enzymes to detoxify aldehydes, and the Fanconi anemia DNA repair pathway to process aldehyde-induced DNA damage. Loss of either protection mechanisms in humans results in defective hematopoiesis and predisposition to leukemia. This review will focus on the impact of genotoxic aldehydes on hematopoiesis, the sources of endogenous aldehydes, and potential novel protective pathways.
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Affiliation(s)
- Meng Wang
- Medical Research Council Laboratory of Molecular Biology, Cambridge, United Kingdom
- Department of Haematology and
- Wellcome-Medical Research Council Cambridge Stem Cell Institute, Jeffrey Cheah Biomedical Centre, University of Cambridge, Cambridge, United Kingdom; and
| | - Felix A Dingler
- Medical Research Council Weatherall Institute of Molecular Medicine, University of Oxford, John Radcliffe Hospital, Oxford, United Kingdom
| | - K J Patel
- Medical Research Council Weatherall Institute of Molecular Medicine, University of Oxford, John Radcliffe Hospital, Oxford, United Kingdom
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15
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Cho S, Gu L, In IJ, Wu B, Lee T, Kim H, Koo S. Ribose conversion with amino acids into pyrraline platform chemicals - expeditious synthesis of diverse pyrrole-fused alkaloid compounds. RSC Adv 2021; 11:31511-31525. [PMID: 35496880 PMCID: PMC9041667 DOI: 10.1039/d1ra06110k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2021] [Accepted: 09/13/2021] [Indexed: 11/21/2022] Open
Abstract
One-pot conversion of sustainable d-ribose with l-amino acid, methyl esters produced pyrrole-2-carbaldehydes 5 in reasonable yields (32-63%) under pressurized conditions of 2.5 atm at 80 °C. The value-added pyrraline compounds 5 as platform chemicals were utilized for quick installation of poly-heterocyclic cores for the development of pyrrole-motif natural and artificial therapeutic agents. A pyrrole-fused piperazin-2-one scaffold 6 was prepared by reductive amination of pyrralines 5 with benzylamine. While further cyclization of pyrralines 5 with ethane-1,2-diamine produced pyrrolo-piperazin-2-ones 7 with an extra imidazolidine ring, the reaction with 2-amino alcohols derived from natural l-amino acids, alanine, valine, and phenylalanine, respectively provided pyrrolo-piperazin-2-ones 8, 9, and 10 with oxazolidine as the third structural core. Cell viability and an anti-inflammatory effect of the synthesized compounds were briefly tested by the MTT method and the Griess assay, among which 8h and 10g exhibited significant anti-inflammatory effects with negligible cell toxicity.
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Affiliation(s)
- Soohyeon Cho
- Department of Energy Science and Technology, Department of Chemistry, Myongji University Myongji-Ro 116, Cheoin-Gu Yongin Gyeonggi-Do 17058 Korea
| | - Lina Gu
- Department of Energy Science and Technology, Department of Chemistry, Myongji University Myongji-Ro 116, Cheoin-Gu Yongin Gyeonggi-Do 17058 Korea
- School of Pharmacy, East China University of Science and Technology Meilong Road 130 Shanghai 200237 China
| | - Ik Joon In
- Department of Energy Science and Technology, Department of Chemistry, Myongji University Myongji-Ro 116, Cheoin-Gu Yongin Gyeonggi-Do 17058 Korea
| | - Bo Wu
- School of Forensic Medicine, China Medical University Puhe Road 77 Shenyang 110122 China
| | - Taehoon Lee
- Global Center for Pharmaceutical Ingredient Materials, Department of Applied Chemistry, Kyung Hee University Yongin Gyeonggi-Do 17104 Korea
| | - Hakwon Kim
- Global Center for Pharmaceutical Ingredient Materials, Department of Applied Chemistry, Kyung Hee University Yongin Gyeonggi-Do 17104 Korea
| | - Sangho Koo
- Department of Energy Science and Technology, Department of Chemistry, Myongji University Myongji-Ro 116, Cheoin-Gu Yongin Gyeonggi-Do 17058 Korea
- School of Pharmacy, East China University of Science and Technology Meilong Road 130 Shanghai 200237 China
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16
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Zhou L, Wang F, Song X, Shi M, Liang G, Zhang L, Huang F, Jiang G. 3-Deoxyglucosone reduces glucagon-like peptide-1 secretion at low glucose levels through down-regulation of SGLT1 expression in STC-1 cells. Arch Physiol Biochem 2021; 127:311-317. [PMID: 31291135 DOI: 10.1080/13813455.2019.1638413] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
CONTEXT Sodium glucose co-transporter 1 (SGLT1) triggers low glucose-induced glucagon-like peptide-1 (GLP-1) secretion. We reported that a two-week administration of 3-deoxyglucosone (3DG), an independent factor associated with the development of pre-diabetes, reduces basal GLP-1 secretion in rats. OBJECTIVE This study investigated the effects of 3DG on GLP-1 secretion and SGLT1 pathway under low-glucose conditions in STC-1 cells. METHODS STC-1 cells were incubated with phloridzin or 3DG at 5.6 mM glucose. SGLT1 expression (by western blotting), GLP-1 and cyclic adenosine monophosphate (cAMP) levels (by ELISA), and intracellular Ca2+ concentration (by Fluo-3/AM) were measured. RESULTS Phloridzin inhibited GLP-1 secretion. SGLT1 protein expression in STC-1 cells cultured in 5.6 mM glucose is higher than that in 25 mM glucose. Exposure to 3DG for 6 h reduced GLP-1 secretion, SGLT1 protein expression, and intracellular concentrations of cAMP and Ca2+. CONCLUSIONS 3DG reduces low glucose-induced GLP-1 secretion in part through reduction of SGLT1 expression.
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Affiliation(s)
- Liang Zhou
- Suzhou Academy of Wumen Chinese Medicine, Suzhou TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Suzhou, China
| | - Fei Wang
- Suzhou Academy of Wumen Chinese Medicine, Suzhou TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Suzhou, China
| | - Xiudao Song
- Suzhou Academy of Wumen Chinese Medicine, Suzhou TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Suzhou, China
| | - Min Shi
- Suzhou Academy of Wumen Chinese Medicine, Suzhou TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Suzhou, China
| | - Guoqiang Liang
- Suzhou Academy of Wumen Chinese Medicine, Suzhou TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Suzhou, China
| | - Lurong Zhang
- Suzhou Academy of Wumen Chinese Medicine, Suzhou TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Suzhou, China
| | - Fei Huang
- Suzhou Academy of Wumen Chinese Medicine, Suzhou TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Suzhou, China
| | - Guorong Jiang
- Suzhou Academy of Wumen Chinese Medicine, Suzhou TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Suzhou, China
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17
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Ashraf JM. 3-Deoxyglucosone as a Potential Agent That Alters IgG Protein Through Advanced Glycation End Products. APPL BIOCHEM MICRO+ 2021. [DOI: 10.1134/s0003683821040025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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18
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Herraiz T, Vera F. Occurrence, Formation from d-Fructose and 3-Deoxyglucosone, and Activity of the Carbohydrate-Derived β-Carbolines in Foods. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2021; 69:6650-6664. [PMID: 34080840 PMCID: PMC8480784 DOI: 10.1021/acs.jafc.1c02281] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/19/2021] [Revised: 05/20/2021] [Accepted: 05/21/2021] [Indexed: 06/12/2023]
Abstract
β-Carbolines are naturally occurring bioactive alkaloids. In this work, carbohydrate-derived β-carbolines (βCs), 1-(1,3,4,5-tetrahydroxypent-1-yl)-β-carboline isomers (1a/b), 1-(1,4,5-trihydroxypent-1-yl)-β-carboline (2), 1-(1,5-dihydroxypent-3-en-1-yl)-β-carboline (3), and 1-(1,2,3,4,5-pentahydroxypent-1-yl)-β-carboline (4) were identified and analyzed in commercial foods. The concentrations of βCs 1-4 in foods ranged from undetectable to 11.4 μg/g levels, suggesting their intake in the diet. Processed foods contained higher amounts than fresh or unprocessed foods, and the highest content was found in processed tomato and fruit products, sauces, and baked foods. βCs 1-3 were formed in foods during heating, and 1a/b were the main compounds. The formation of carbohydrate-derived βCs was studied in model reactions of tryptophan and carbohydrates. They formed in reactions of tryptophan with glucose under acidic conditions at temperatures higher than 80 °C. The formation of 1a/b was favored, but 2-3 increased at high temperatures. Noticeably, the βCs 1-3 formed in the reactions of tryptophan with fructose or sucrose, and the formation from fructose was much higher than from glucose. Thus, fructose was the main carbohydrate involved in the formation of 1-3, whereas sucrose gave these βCs after acid hydrolysis. It is shown for the first time that the mechanism of formation of βCs 1-3 occurs from the sugar intermediate 3-deoxyglucosone that reacts with tryptophan affording these carbohydrate-derived βCs. A mechanism of reaction to give βCs 1-3 is proposed that relies on the tautomerism (keto-enediol or enamine-imine) of intermediates involved in the reaction. Carbohydrate βCs 1-4 were assessed as inhibitors of monoamine oxidase (MAO), as antioxidants, and for their interaction with DNA. They were not good inhibitors of MAO-A or -B, were poor antioxidants, and did not appreciably interact with DNA.
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19
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Ahmad K, Shaikh S, Lee EJ, Lee YH, Choi I. Consequences of Dicarbonyl Stress on Skeletal Muscle Proteins in Type 2 Diabetes. Curr Protein Pept Sci 2021; 21:878-889. [PMID: 31746292 DOI: 10.2174/1389203720666191119100759] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2019] [Revised: 05/27/2019] [Accepted: 10/22/2019] [Indexed: 12/15/2022]
Abstract
Skeletal muscle is the largest organ in the body and constitutes almost 40% of body mass. It is also the primary site of insulin-mediated glucose uptake, and skeletal muscle insulin resistance, that is, diminished response to insulin, is characteristic of Type 2 diabetes (T2DM). One of the foremost reasons posited to explain the etiology of T2DM involves the modification of proteins by dicarbonyl stress due to an unbalanced metabolism and accumulations of dicarbonyl metabolites. The elevated concentration of dicarbonyl metabolites (i.e., glyoxal, methylglyoxal, 3-deoxyglucosone) leads to DNA and protein modifications, causing cell/tissue dysfunctions in several metabolic diseases such as T2DM and other age-associated diseases. In this review, we recapitulated reported effects of dicarbonyl stress on skeletal muscle and associated extracellular proteins with emphasis on the impact of T2DM on skeletal muscle and provided a brief introduction to the prevention/inhibition of dicarbonyl stress.
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Affiliation(s)
- Khurshid Ahmad
- Department of Medical Biotechnology, Yeungnam University, Gyeongsan, 38541, Korea
| | - Sibhghatulla Shaikh
- Department of Medical Biotechnology, Yeungnam University, Gyeongsan, 38541, Korea
| | - Eun Ju Lee
- Department of Medical Biotechnology, Yeungnam University, Gyeongsan, 38541, Korea
| | - Yong-Ho Lee
- Department of Biomedical Sciences, Daegu Catholic University, Gyeongsan, 38430, Korea
| | - Inho Choi
- Department of Medical Biotechnology, Yeungnam University, Gyeongsan, 38541, Korea
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20
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Fujii J, Homma T, Miyata S, Takahashi M. Pleiotropic Actions of Aldehyde Reductase (AKR1A). Metabolites 2021; 11:343. [PMID: 34073440 PMCID: PMC8227408 DOI: 10.3390/metabo11060343] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2021] [Revised: 05/23/2021] [Accepted: 05/24/2021] [Indexed: 12/16/2022] Open
Abstract
We provide an overview of the physiological roles of aldehyde reductase (AKR1A) and also discuss the functions of aldose reductase (AKR1B) and other family members when necessary. Many types of aldehyde compounds are cytotoxic and some are even carcinogenic. Such toxic aldehydes are detoxified via the action of AKR in an NADPH-dependent manner and the resulting products may exert anti-diabetic and anti-tumorigenic activity. AKR1A is capable of reducing 3-deoxyglucosone and methylglyoxal, which are reactive intermediates that are involved in glycation, a non-enzymatic glycosylation reaction. Accordingly, AKR1A is thought to suppress the formation of advanced glycation end products (AGEs) and prevent diabetic complications. AKR1A and, in part, AKR1B are responsible for the conversion of d-glucuronate to l-gulonate which constitutes a process for ascorbate (vitamin C) synthesis in competent animals. AKR1A is also involved in the reduction of S-nitrosylated glutathione and coenzyme A and thereby suppresses the protein S-nitrosylation that occurs under conditions in which the production of nitric oxide is stimulated. As the physiological functions of AKR1A are currently not completely understood, the genetic modification of Akr1a could reveal the latent functions of AKR1A and differentiate it from other family members.
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Affiliation(s)
- Junichi Fujii
- Department of Biochemistry and Molecular Biology, Graduate School of Medical Science, Yamagata University, Yamagata 990-9585, Japan;
| | - Takujiro Homma
- Department of Biochemistry and Molecular Biology, Graduate School of Medical Science, Yamagata University, Yamagata 990-9585, Japan;
| | - Satoshi Miyata
- Miyata Diabetes and Metabolism Clinic, 5-17-21 Fukushima, Fukushima-ku, Osaka 553-0003, Japan;
| | - Motoko Takahashi
- Department of Biochemistry, Sapporo Medical University School of Medicine, Sapporo 060-8556, Japan;
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21
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Schmelzer CEH, Duca L. Elastic fibers: formation, function, and fate during aging and disease. FEBS J 2021; 289:3704-3730. [PMID: 33896108 DOI: 10.1111/febs.15899] [Citation(s) in RCA: 44] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2021] [Revised: 03/16/2021] [Accepted: 03/22/2021] [Indexed: 01/09/2023]
Abstract
Elastic fibers are extracellular components of higher vertebrates and confer elasticity and resilience to numerous tissues and organs such as large blood vessels, lungs, and skin. Their formation and maturation take place in a complex multistage process called elastogenesis. It requires interactions between very different proteins but also other molecules and leads to the deposition and crosslinking of elastin's precursor on a scaffold of fibrillin-rich microfibrils. Mature fibers are exceptionally resistant to most influences and, under healthy conditions, retain their biomechanical function over the life of the organism. However, due to their longevity, they accumulate damages during aging. These are caused by proteolytic degradation, formation of advanced glycation end products, calcification, oxidative damage, aspartic acid racemization, lipid accumulation, carbamylation, and mechanical fatigue. The resulting changes can lead to diminution or complete loss of elastic fiber function and ultimately affect morbidity and mortality. Particularly, the production of elastokines has been clearly shown to influence several life-threatening diseases. Moreover, the structure, distribution, and abundance of elastic fibers are directly or indirectly influenced by a variety of inherited pathological conditions, which mainly affect organs and tissues such as skin, lungs, or the cardiovascular system. A distinction can be made between microfibril-related inherited diseases that are the result of mutations in diverse microfibril genes and indirectly affect elastogenesis, and elastinopathies that are linked to changes in the elastin gene. This review gives an overview on the formation, structure, and function of elastic fibers and their fate over the human lifespan in health and disease.
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Affiliation(s)
- Christian E H Schmelzer
- Fraunhofer Institute for Microstructure of Materials and Systems IMWS, Halle (Saale), Germany.,Institute of Pharmacy, Faculty of Natural Sciences I, Martin Luther University Halle-Wittenberg, Halle (Saale), Germany
| | - Laurent Duca
- UMR CNRS 7369 MEDyC, SFR CAP-Sante, Université de Reims Champagne-Ardenne, France
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22
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Oxidative, Reductive, and Nitrosative Stress Effects on Epigenetics and on Posttranslational Modification of Enzymes in Cardiometabolic Diseases. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2020; 2020:8819719. [PMID: 33204398 PMCID: PMC7649698 DOI: 10.1155/2020/8819719] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/31/2020] [Revised: 10/09/2020] [Accepted: 10/16/2020] [Indexed: 02/07/2023]
Abstract
Oxidative (OS), reductive (RS), and nitrosative (NSS) stresses produce carbonylation, glycation, glutathionylation, sulfhydration, nitration, and nitrosylation reactions. OS, RS, and NSS are interrelated since RS results from an overactivation of antioxidant systems and NSS is the result of the overactivation of the oxidation of nitric oxide (NO). Here, we discuss the general characteristics of the three types of stress and the way by which the reactions they induce (a) damage the DNA structure causing strand breaks or inducing the formation of 8-oxo-d guanosine; (b) modify histones; (c) modify the activities of the enzymes that determine the establishment of epigenetic cues such as DNA methyl transferases, histone methyl transferases, acetyltransferases, and deacetylases; (d) alter DNA reparation enzymes by posttranslational mechanisms; and (e) regulate the activities of intracellular enzymes participating in metabolic reactions and in signaling pathways through posttranslational modifications. Furthermore, the three types of stress may establish new epigenetic marks through these reactions. The development of cardiometabolic disorders in adult life may be programed since early stages of development by epigenetic cues which may be established or modified by OS, RS, and NSS. Therefore, the three types of stress participate importantly in mediating the impact of the early life environment on later health and heritability. Here, we discuss their impact on cardiometabolic diseases. The epigenetic modifications induced by these stresses depend on union and release of chemical residues on a DNA sequence and/or on amino acid residues in proteins, and therefore, they are reversible and potentially treatable.
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Alteration of Intestinal Microbiota in 3-Deoxyglucosone-Induced Prediabetic Rats. BIOMED RESEARCH INTERNATIONAL 2020; 2020:8406846. [PMID: 32908918 PMCID: PMC7468600 DOI: 10.1155/2020/8406846] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/10/2020] [Revised: 07/20/2020] [Accepted: 08/07/2020] [Indexed: 12/22/2022]
Abstract
Our previous research suggests that 3-deoxyglucosone (3DG), formed in the caramelization course and Maillard reactions in food, is an independent factor for the development of prediabetes. Since the relationship between type 2 diabetes (T2D) and intestinal microbiota is moving from correlation to causality, we investigated the alterations in the composition and function of the intestinal microbiota in 3DG-induced prediabetic rats. Rats were given 50 mg/kg 3DG by intragastric administration for two weeks. Microbial profiling in faeces samples was determined through the 16S rRNA gene sequence. The glucagon-like peptide 2 (GLP-2) and lipopolysaccharide (LPS) levels in plasma and intestinal tissues were measured by ELISA and Limulus test, respectively. 3DG treatment did not significantly change the richness and evenness but affected the composition of intestinal microbiota. At the phylum level, 3DG treatment increased the abundance of nondominant bacteria Proteobacteria but did not cause the change of the dominant bacteria. Meanwhile, the abundance of the Prevotellaceae family and Parasutterela genus and the Alcaligencaeae family and Burkholderiales order and its attachment to the Betaproteobacteria class were overrepresented in the 3DG group. The bacteria of Candidatus Soleaferrea genus, Gelria genus, and Thermoanaerobacteraceae family and its attachment to Thermoanaerobacterales order were apparently more abundant in the control group. In addition, 45 KEGG pathways were altered after two-week intragastric administration of 3DG. Among these KEGG pathways, 13 KEGG pathways were involved in host metabolic function related to amino acid metabolism, carbohydrate metabolism, metabolism of cofactors and vitamins, and metabolism of terpenoids and polyketides. Moreover, the increased LPS levels and the decreased GLP-2 concentration in plasma and intestinal tissues were observed in 3DG-treated rats, together with the impaired fasting glucose and oral glucose tolerance. The alterations in composition and function of the intestinal microbiota were observed in 3DG-treated rats, which provides a possible mechanism linking exogenous 3DG intake to the development of prediabetes.
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Human carnosinase 1 overexpression aggravates diabetes and renal impairment in BTBR Ob/Ob mice. J Mol Med (Berl) 2020; 98:1333-1346. [PMID: 32803273 PMCID: PMC7447680 DOI: 10.1007/s00109-020-01957-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2019] [Revised: 06/22/2020] [Accepted: 07/21/2020] [Indexed: 12/24/2022]
Abstract
Objective To assess the influence of serum carnosinase (CN1) on the course of diabetic kidney disease (DKD). Methods hCN1 transgenic (TG) mice were generated in a BTBROb/Ob genetic background to allow the spontaneous development of DKD in the presence of serum carnosinase. The influence of serum CN1 expression on obesity, hyperglycemia, and renal impairment was assessed. We also studied if aggravation of renal impairment in hCN1 TG BTBROb/Ob mice leads to changes in the renal transcriptome as compared with wild-type BTBROb/Ob mice. Results hCN1 was detected in the serum and urine of mice from two different hCN1 TG lines. The transgene was expressed in the liver but not in the kidney. High CN1 expression was associated with low plasma and renal carnosine concentrations, even after oral carnosine supplementation. Obese hCN1 transgenic BTBROb/Ob mice displayed significantly higher levels of glycated hemoglobin, glycosuria, proteinuria, and increased albumin-creatinine ratios (1104 ± 696 vs 492.1 ± 282.2 μg/mg) accompanied by an increased glomerular tuft area and renal corpuscle size. Gene-expression profiling of renal tissue disclosed hierarchical clustering between BTBROb/Wt, BTBROb/Ob, and hCN1 BTBROb/Ob mice. Along with aggravation of the DKD phenotype, 26 altered genes have been found in obese hCN1 transgenic mice; among them claudin-1, thrombospondin-1, nephronectin, and peroxisome proliferator–activated receptor-alpha have been reported to play essential roles in DKD. Conclusions Our data support a role for serum carnosinase 1 in the progression of DKD. Whether this is mainly attributed to the changes in renal carnosine concentrations warrants further studies. Key messages Increased carnosinase 1 (CN1) is associated with diabetic kidney disease (DKD). BTBROb/Ob mice with human CN1 develop a more aggravated DKD phenotype. Microarray revealed alterations by CN1 which are not altered by hyperglycemia. These genes have been described to play essential roles in DKD. Inhibiting CN1 could be beneficial in DKD.
Electronic supplementary material The online version of this article (10.1007/s00109-020-01957-0) contains supplementary material, which is available to authorized users.
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Becker AK, Auditore A, Pischetsrieder M, Messlinger K, Fleming T, Reeh PW, Sauer SK. Reactive dicarbonyl compounds cause Calcitonin Gene-Related Peptide release and synergize with inflammatory conditions in mouse skin and peritoneum. J Biol Chem 2020; 295:6330-6343. [PMID: 32198181 DOI: 10.1074/jbc.ra120.012890] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2020] [Revised: 03/18/2020] [Indexed: 02/02/2023] Open
Abstract
The plasmas of diabetic or uremic patients and of those receiving peritoneal dialysis treatment have increased levels of the glucose-derived dicarbonyl metabolites like methylglyoxal (MGO), glyoxal (GO), and 3-deoxyglucosone (3-DG). The elevated dicarbonyl levels can contribute to the development of painful neuropathies. Here, we used stimulated immunoreactive Calcitonin Gene-Related Peptide (iCGRP) release as a measure of nociceptor activation, and we found that each dicarbonyl metabolite induces a concentration-, TRPA1-, and Ca2+-dependent iCGRP release. MGO, GO, and 3-DG were about equally potent in the millimolar range. We hypothesized that another dicarbonyl, 3,4-dideoxyglucosone-3-ene (3,4-DGE), which is present in peritoneal dialysis (PD) solutions after heat sterilization, activates nociceptors. We also showed that at body temperatures 3,4-DGE is formed from 3-DG and that concentrations of 3,4-DGE in the micromolar range effectively induced iCGRP release from isolated murine skin. In a novel preparation of the isolated parietal peritoneum PD fluid or 3,4-DGE alone, at concentrations found in PD solutions, stimulated iCGRP release. We also tested whether inflammatory tissue conditions synergize with dicarbonyls to induce iCGRP release from isolated skin. Application of MGO together with bradykinin or prostaglandin E2 resulted in an overadditive effect on iCGRP release, whereas MGO applied at a pH of 5.2 resulted in reduced release, probably due to an MGO-mediated inhibition of transient receptor potential (TRP) V1 receptors. These results indicate that several reactive dicarbonyls activate nociceptors and potentiate inflammatory mediators. Our findings underline the roles of dicarbonyls and TRPA1 receptors in causing pain during diabetes or renal disease.
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Affiliation(s)
- Anna K Becker
- Institute of Physiology and Pathophysiology, Friedrich-Alexander-University Erlangen-Nürnberg, Universitätsstrasse 17, 91054 Erlangen, Germany
| | - Andrea Auditore
- Department of Chemistry and Pharmacy, Food Chemistry, Friedrich-Alexander-University Erlangen-Nürnberg, Nikolaus-Fiebiger-Strasse 10, 91058 Erlangen, Germany
| | - Monika Pischetsrieder
- Department of Chemistry and Pharmacy, Food Chemistry, Friedrich-Alexander-University Erlangen-Nürnberg, Nikolaus-Fiebiger-Strasse 10, 91058 Erlangen, Germany
| | - Karl Messlinger
- Institute of Physiology and Pathophysiology, Friedrich-Alexander-University Erlangen-Nürnberg, Universitätsstrasse 17, 91054 Erlangen, Germany
| | - Thomas Fleming
- Department of Medicine I and Clinical Chemistry and Pharmacology, University of Heidelberg, INF 410, 69120 Heidelberg, Germany.,German Center for Diabetes Research (DZD), Eberhard-Karls-University of Tuebingen, Otfried-Müller-Strasse 10, 72076 Tuebingen, Germany
| | - Peter W Reeh
- Institute of Physiology and Pathophysiology, Friedrich-Alexander-University Erlangen-Nürnberg, Universitätsstrasse 17, 91054 Erlangen, Germany
| | - Susanne K Sauer
- Institute of Physiology and Pathophysiology, Friedrich-Alexander-University Erlangen-Nürnberg, Universitätsstrasse 17, 91054 Erlangen, Germany
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26
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Affiliation(s)
- Nicholas Topley
- Institute of Nephrology University of Wales, College of Medicine Heath Park, Cardiff, Wales, UK
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27
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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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3-Deoxyglucosone interferes with insulin signaling and attenuates insulin action on glucose-induced GLP-1 secretion in the enteroendocrine L cell line STC-1. Mol Biol Rep 2019; 46:4799-4808. [PMID: 31228040 DOI: 10.1007/s11033-019-04926-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2019] [Accepted: 06/14/2019] [Indexed: 10/26/2022]
Abstract
Maintenance of glucose homeostasis is reciprocally regulated by insulin and glucagon-like peptide-1 (GLP-1). We previously reported that GLP-1 secretion in response to an oral glucose load was impaired following an administration of 3-deoxyglucosone (3DG), an independent factor associated with the development of pre-diabetes. Here we investigated the effects of 3DG on insulin signaling and insulin-induced GLP-1 secretion under high-glucose conditions in the enteroendocrine L cell line STC-1. STC-1 cells were exposed to 3DG (80, 300, and 1000 ng/ml) in the presence of 10-7 M insulin and 25 mM glucose. GLP-1 secretion was determined by ELISA, glucose uptake was monitored with 2-NBDG (2-(N(7-nitrobenz-2-oxa-1,3-diazol-4-yl) amino)-2-deoxyglucose), glucose consumption was detected by glucoseoxidase, and protein expression of insulin signaling molecules was examined by western blot. Results showed a decrease in insulin-induced GLP-1 secretion and insulin receptor phosphorylation after 3DG treatment. Concomitantly, 3DG treatment inhibited insulin-induced phosphatidylinositol-3-kinase (PI3K)/protein kinase B (Akt) pathway activation. In the presence, but not absence, of insulin, 3DG treatment decreased insulin-stimulated glucose consumption. Inhibition of PI3K with Wortmannin attenuated insulin-induced increment in glucose transporter 2 (GLUT2) expression and 2-NBDG uptake. Accordingly, insulin-induced increase in GLUT2 expression and 2-NBGD uptake was significantly inhibited by 3DG treatment. 3DG-mediated reduction in GLUT2 expression contributes to the attenuation of insulin-induced GLP-1 secretion under high-glucose conditions in part through the insulin-PI3K/Akt/GLUT2 pathway in STC-1 cells. We conclude that 3DG interferes with insulin signaling and attenuates insulin action on glucose-induced GLP-1 secretion in STC-1 cells.
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Shumilina J, Kusnetsova A, Tsarev A, Janse van Rensburg HC, Medvedev S, Demidchik V, Van den Ende W, Frolov A. Glycation of Plant Proteins: Regulatory Roles and Interplay with Sugar Signalling? Int J Mol Sci 2019; 20:E2366. [PMID: 31086058 PMCID: PMC6539852 DOI: 10.3390/ijms20092366] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2019] [Revised: 05/08/2019] [Accepted: 05/09/2019] [Indexed: 02/06/2023] Open
Abstract
Glycation can be defined as an array of non-enzymatic post-translational modifications of proteins formed by their interaction with reducing carbohydrates and carbonyl products of their degradation. Initial steps of this process rely on reducing sugars and result in the formation of early glycation products-Amadori and Heyns compounds via Schiff base intermediates, whereas their oxidative degradation or reactions of proteins with α-dicarbonyl compounds yield a heterogeneous group of advanced glycation end products (AGEs). These compounds accompany thermal processing of protein-containing foods and are known to impact on ageing, pathogenesis of diabetes mellitus and Alzheimer's disease in mammals. Surprisingly, despite high tissue carbohydrate contents, glycation of plant proteins was addressed only recently and its physiological role in plants is still not understood. Therefore, here we summarize and critically discuss the first steps done in the field of plant protein glycation during the last decade. We consider the main features of plant glycated proteome and discuss them in the context of characteristic metabolic background. Further, we address the possible role of protein glycation in plants and consider its probable contribution to protein degradation, methylglyoxal and sugar signalling, as well as interplay with antioxidant defense.
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Affiliation(s)
- Julia Shumilina
- Department of Biochemistry, St. Petersburg State University, Saint Petersburg 199034, Russia.
| | - Alena Kusnetsova
- Department of Biochemistry, St. Petersburg State University, Saint Petersburg 199034, Russia.
- Department of Biotechnology, St. Petersburg Chemical Pharmaceutical University, Saint Petersburg 197022, Russia.
| | - Alexander Tsarev
- Department of Biochemistry, St. Petersburg State University, Saint Petersburg 199034, Russia.
- Department of Bioorganic Chemistry, Leibniz Institute of Plant Biochemistry, 06120 Halle, Germany.
| | | | - Sergei Medvedev
- Department of Plant Physiology and Biochemistry, St. Petersburg State University, Saint Petersburg 199034, Russia.
| | - Vadim Demidchik
- Department of Plant Cell Biology and Bioengineering, Belarusian State University, 220030 Minsk, Belarus.
- Department of Horticulture, Foshan University, Foshan 528231, China.
| | - Wim Van den Ende
- Laboratory of Molecular Plant Biology, KU Leuven, 3001 Leuven, Belgium.
| | - Andrej Frolov
- Department of Biochemistry, St. Petersburg State University, Saint Petersburg 199034, Russia.
- Department of Bioorganic Chemistry, Leibniz Institute of Plant Biochemistry, 06120 Halle, Germany.
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30
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Song X, Liang G, Shi M, Zhou L, Wang F, Zhang L, Huang F, Jiang G. Acute exposure to 3‑deoxyglucosone at high glucose levels impairs insulin secretion from β‑cells by downregulating the sweet taste receptor signaling pathway. Mol Med Rep 2019; 19:5015-5022. [PMID: 31059088 DOI: 10.3892/mmr.2019.10163] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2018] [Accepted: 04/10/2019] [Indexed: 11/06/2022] Open
Abstract
Sweet taste receptors (STRs) expressed on β‑cells stimulate insulin secretion in response to an increase in the circulating level of glucose, maintaining glucose homeostasis. 3‑Deoxyglucosone (3DG), a highly reactive α‑dicarbonyl compound, has been previously described as an independent factor associate with the development of prediabetes. In our previous study, pathological plasma levels of 3DG were induced in normal rats with a single intravenous injection of 50 mg/kg 3DG, and an acute rise in circulating 3DG induced glucose intolerance by impairing the function of pancreatic β‑cells. The present study aimed to investigate whether the deleterious effects of pathological plasma levels of 3DG on β‑cell function and insulin secretion were associated with STRs. INS‑1 cells, an in vitro model to study rat β‑cells, were treated with various concentrations of 3DG (1.85, 30.84 and 61.68 mM) or lactisole (5 mM). Pancreatic islets were collected from rats 2 h after a single intravenous injection of 50 mg/kg 3DG + 0.5 g/kg glucose. The insulin concentration was measured by ELISA. The protein expression levels of components of the STR signaling pathways were determined by western blot analysis. Treatment with 3DG and 25.5 mM glucose for 1 h significantly reduced insulin secretion by INS‑1 cells, which was consistent with the phenotype observed in INS‑1 cells treated with the STR inhibitor lactisole. Accordingly, islets isolated from rats treated with 3DG exhibited a significant reduction in insulin secretion following treatment with 25.5 mM glucose. Furthermore, acute exposure of INS‑1 cells to 3DG following treatment with 25.5 mM glucose for 1 h significantly reduced the protein expression level of the STR subunit taste 1 receptor member 3 and its downstream factors, transient receptor potential cation channel subfamily M member 5 and glucose transporter 2. Notably, islet tissues collected from rats treated with 3DG exhibited a similar downregulation of these factors. The present results suggested that acute exposure to pathologically relevant levels of 3DG in presence of high physiological levels of glucose decreased insulin secretion from β‑cells by, at least in part, downregulating the STR signaling pathway.
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Affiliation(s)
- Xiudao Song
- Basic Research Laboratory, Suzhou Academy of Wumen Chinese Medicine, Suzhou TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Suzhou, Jiangsu 215009, P.R. China
| | - Guoqiang Liang
- Basic Research Laboratory, Suzhou Academy of Wumen Chinese Medicine, Suzhou TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Suzhou, Jiangsu 215009, P.R. China
| | - Min Shi
- Basic Research Laboratory, Suzhou Academy of Wumen Chinese Medicine, Suzhou TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Suzhou, Jiangsu 215009, P.R. China
| | - Liang Zhou
- Basic Research Laboratory, Suzhou Academy of Wumen Chinese Medicine, Suzhou TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Suzhou, Jiangsu 215009, P.R. China
| | - Fei Wang
- Basic Research Laboratory, Suzhou Academy of Wumen Chinese Medicine, Suzhou TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Suzhou, Jiangsu 215009, P.R. China
| | - Lurong Zhang
- Basic Research Laboratory, Suzhou Academy of Wumen Chinese Medicine, Suzhou TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Suzhou, Jiangsu 215009, P.R. China
| | - Fei Huang
- Basic Research Laboratory, Suzhou Academy of Wumen Chinese Medicine, Suzhou TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Suzhou, Jiangsu 215009, P.R. China
| | - Guorong Jiang
- Basic Research Laboratory, Suzhou Academy of Wumen Chinese Medicine, Suzhou TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Suzhou, Jiangsu 215009, P.R. China
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Tezuka Y, Nakaya I, Nakayama K, Nakayama M, Yahata M, Soma J. Methylglyoxal as a prognostic factor in patients with chronic kidney disease. Nephrology (Carlton) 2019; 24:943-950. [PMID: 30407693 DOI: 10.1111/nep.13526] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/31/2018] [Indexed: 01/28/2023]
Abstract
AIM Advanced glycation end products and their precursors cause vascular damage through oxidative stress. We investigated the hypothesis that methylglyoxal (MG), 3-deoxyglucosone (3-DG) and pentosidine influence outcomes of chronic kidney disease (CKD) patients. METHODS We conducted a 3 years prospective observational study involving 150 outpatients at CKD stages 3-5. At enrolment, MG, 3-DG and pentosidine plasma concentrations were measured; patients were divided into tertiles according to the concentration of each substance. The primary endpoint was death, a cardiovascular event or end-stage renal disease. Survival analysis was performed using the Cox regression model. RESULTS The patients' mean age was 62 ± 12 years, 97 were men, and 20 had diabetic nephropathy. The mean estimated glomerular filtration rate was 25.0 ± 12.1 mL/min per 1.73 m2 , which negatively correlated with MG but not with 3-DG and pentosidine. Forty-eight patients reached the primary endpoint. Compared with the lowest MG tertile, the hazard ratio for the primary endpoint was 7.57 (95% confidence interval (CI): 1.71-33.54) in the middle tertile and 27.00 (CI: 6.46-112.82) in the highest tertile. When adjusted for characteristics at baseline, the corresponding hazard ratio decreased to 2.09 (CI: 0.37-11.96) and 6.13 (CI: 0.97-38.82), but MG tertile remained an independent risk factor for the primary endpoint. However, 3-DG and pentosidine were not related to the primary outcome. CONCLUSION Methylglyoxal has a close clinical association with CKD. Higher MG concentrations may contribute renal function deterioration in CKD. In CKD patients, MG concentration might be useful when determining the prognosis.
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Affiliation(s)
- Yuta Tezuka
- Department of Nephrology and Rheumatology, Iwate Prefectural Central Hospital, Morioka, Japan.,Division of Nephrology, Endocrinology and Vascular Medicine, Tohoku University Hospital, Sendai, Japan
| | - Izaya Nakaya
- Department of Nephrology and Rheumatology, Iwate Prefectural Central Hospital, Morioka, Japan
| | - Keisuke Nakayama
- Division of Nephrology, Endocrinology and Vascular Medicine, Tohoku University Hospital, Sendai, Japan
| | - Masaaki Nakayama
- Division of Nephrology, Endocrinology and Vascular Medicine, Tohoku University Hospital, Sendai, Japan
| | - Mayumi Yahata
- Department of Nephrology and Rheumatology, Iwate Prefectural Central Hospital, Morioka, Japan
| | - Jun Soma
- Department of Nephrology and Rheumatology, Iwate Prefectural Central Hospital, Morioka, Japan
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Gensberger-Reigl S, Atzenbeck L, Göttler A, Pischetsrieder M. Identification of [6-Hydroxy-2-(hydroxymethyl)-5-oxo-5,6-dihydro-2 H-pyran-3-yl]-cysteine (HHPC) as a Cysteine-specific Modification Formed from 3,4-Dideoxyglucosone-3-ene (3,4-DGE). Chem Res Toxicol 2019; 32:304-311. [PMID: 30640474 DOI: 10.1021/acs.chemrestox.8b00320] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Glucose degradation products (GDPs) are formed from glucose and other reducing sugars during heat treatment, for example, in heat-sterilized peritoneal dialysis fluids or foods. Because of their reactive mono- and dicarbonyl structure, they react readily with proteins, resulting in the formation of advanced glycation end products (AGEs), loss of protein functionality, and cytotoxicity. Among the GDPs, 3,4-dideoxyglucosone-3-ene (3,4-DGE) exerts the strongest effects despite its relatively low concentration levels. The goal of the present study was therefore to identify the structure of specific protein modifications deriving from 3,4-DGE. A nonapeptide containing the reactive amino acids lysine, arginine, and cysteine was incubated with 3,4-DGE and the dominant GDPs 3-deoxyglucosone (3-DG) and 3-deoxygalactosone (3-DGal) in concentrations as present in peritoneal dialysis fluids (235 μM 3-DG, 100 μM 3-Gal, and 11 μM 3,4-DGE). Glycation rate and product formation were determined by ultra-HPLC-MS/MS (UHPLC-MS/MS). 3,4-DGE showed the strongest glycation activity. After 2 h of incubation, 3,4-DGE had modified 57% of the nonapeptide, whereas 3-DG had modified only 2% and 3-DGal had modified 29% of the peptide. A stable 3,4-DGE-derived cysteine modification was isolated. Its structure was determined by comprehensive NMR and MS experiments to be [6-hydroxy-2-(hydroxymethyl)-5-oxo-5,6-dihydro-2 H-pyran-3-yl]-cysteine (HHPC), which represents a novel cysteine-AGE derived from 3,4-DGE. The results indicate that 3,4-DGE might contribute to a severe loss of protein functionality by forming cysteine-specific AGEs, such as HHPC.
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Affiliation(s)
- Sabrina Gensberger-Reigl
- Friedrich-Alexander University Erlangen-Nürnberg (FAU) , Department of Chemistry and Pharmacy, Food Chemistry , Nikolaus-Fiebiger-Str. 10 , 91058 Erlangen , Germany
| | - Lisa Atzenbeck
- Friedrich-Alexander University Erlangen-Nürnberg (FAU) , Department of Chemistry and Pharmacy, Food Chemistry , Nikolaus-Fiebiger-Str. 10 , 91058 Erlangen , Germany
| | - Alexander Göttler
- Friedrich-Alexander University Erlangen-Nürnberg (FAU) , Department of Chemistry and Pharmacy, Food Chemistry , Nikolaus-Fiebiger-Str. 10 , 91058 Erlangen , Germany
| | - Monika Pischetsrieder
- Friedrich-Alexander University Erlangen-Nürnberg (FAU) , Department of Chemistry and Pharmacy, Food Chemistry , Nikolaus-Fiebiger-Str. 10 , 91058 Erlangen , Germany
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33
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Song X, Wang F, Xu H, Liang G, Zhou L, Zhang L, Huang F, Jiang G. 3-Deoxyglucosone Induces Glucagon-Like Peptide-1 Secretion from STC-1 Cells via Upregulating Sweet Taste Receptor Expression under Basal Conditions. Int J Endocrinol 2019; 2019:4959646. [PMID: 31772575 PMCID: PMC6854250 DOI: 10.1155/2019/4959646] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/04/2019] [Revised: 08/29/2019] [Accepted: 09/23/2019] [Indexed: 11/25/2022] Open
Abstract
3-Deoxyglucosone (3DG) is derived from D-glucose during food processing and storage and under physiological conditions. We reported that glucagon-like peptide-1 (GLP-1) secretion in response to an oral glucose load in vivo and high-glucose stimulation in vitro was decreased by acute 3DG administration. In this study, we determined the acute effect of 3DG on GLP-1 secretion under basal conditions and investigated the possible mechanisms. Normal fasting rats were given a single acute intragastric administration of 50 mg/kg 3DG. Plasma basal GLP-1 levels and duodenum 3DG content and sweet taste receptor expression were measured. STC-1 cells were acutely exposed to 3DG (80, 300, and 1000 ng/ml) for 1 h under basal conditions (5.6 mM glucose), and GLP-1 secretion, intracellular concentrations of cyclic adenosine monophosphate (cAMP) and Ca2+, and molecular expression of STR signaling pathway were measured. Under the fasted state, plasma GLP-1 levels, duodenum 3DG content, and duodenum STR expression were elevated in 3DG-treated rats. GLP-1 secretion was increased in 3DG-treated cells under either 5.6 mM glucose or glucose-free conditions. 3DG-induced acute GLP-1 secretion from STC-1 cells under 5.6 mM glucose was inhibited in the presence of the STR inhibitor lactisole, which was consistent with the observation under glucose-free conditions. Moreover, acute exposure to 3DG increased the protein expression of TAS1R2 and TAS1R3 under either 5.6 mM glucose or glucose-free conditions, with affecting other components of STR signaling pathway, including the upregulation of transient receptor potential channel type M5 TRPM5 and the increment of intracellular Ca2+ concentration. In summary, the glucose-free condition was used to first demonstrate the involvement of STR in 3DG-induced acute GLP-1 secretion. These results first showed that acute 3DG administration induces basal GLP-1 secretion in part through upregulation of STR expression.
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Affiliation(s)
- Xiudao Song
- Clinical Pharmaceutical Laboratory of Traditional Chinese Medicine, Suzhou TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Suzhou 215009, Jiangsu, China
- Clinical Pharmaceutical Laboratory of Traditional Chinese Medicine, Suzhou Academy of Wumen Chinese Medicine, Suzhou 215009, Jiangsu, China
| | - Fei Wang
- Clinical Pharmaceutical Laboratory of Traditional Chinese Medicine, Suzhou TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Suzhou 215009, Jiangsu, China
- Clinical Pharmaceutical Laboratory of Traditional Chinese Medicine, Suzhou Academy of Wumen Chinese Medicine, Suzhou 215009, Jiangsu, China
| | - Heng Xu
- Clinical Pharmaceutical Laboratory of Traditional Chinese Medicine, Suzhou TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Suzhou 215009, Jiangsu, China
- Clinical Pharmaceutical Laboratory of Traditional Chinese Medicine, Suzhou Academy of Wumen Chinese Medicine, Suzhou 215009, Jiangsu, China
| | - Guoqiang Liang
- Clinical Pharmaceutical Laboratory of Traditional Chinese Medicine, Suzhou TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Suzhou 215009, Jiangsu, China
- Clinical Pharmaceutical Laboratory of Traditional Chinese Medicine, Suzhou Academy of Wumen Chinese Medicine, Suzhou 215009, Jiangsu, China
| | - Liang Zhou
- Clinical Pharmaceutical Laboratory of Traditional Chinese Medicine, Suzhou TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Suzhou 215009, Jiangsu, China
- Clinical Pharmaceutical Laboratory of Traditional Chinese Medicine, Suzhou Academy of Wumen Chinese Medicine, Suzhou 215009, Jiangsu, China
| | - Lurong Zhang
- Clinical Pharmaceutical Laboratory of Traditional Chinese Medicine, Suzhou TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Suzhou 215009, Jiangsu, China
- Clinical Pharmaceutical Laboratory of Traditional Chinese Medicine, Suzhou Academy of Wumen Chinese Medicine, Suzhou 215009, Jiangsu, China
| | - Fei Huang
- Department of Endocrinology, Suzhou TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Suzhou 215009, Jiangsu, China
| | - Guorong Jiang
- Clinical Pharmaceutical Laboratory of Traditional Chinese Medicine, Suzhou TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Suzhou 215009, Jiangsu, China
- Clinical Pharmaceutical Laboratory of Traditional Chinese Medicine, Suzhou Academy of Wumen Chinese Medicine, Suzhou 215009, Jiangsu, China
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Wang F, Song X, Zhou L, Liang G, Huang F, Jiang G, Zhang L. The downregulation of sweet taste receptor signaling in enteroendocrine L-cells mediates 3-deoxyglucosone-induced attenuation of high glucose-stimulated GLP-1 secretion. Arch Physiol Biochem 2018; 124:430-435. [PMID: 29277113 DOI: 10.1080/13813455.2017.1419366] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
CONTEXT Sweet taste receptors (STRs) involve in regulating the release of glucose-stimulated glucagon-like peptide-1 (GLP-1). Our in vivo and in vitro studies found that 3-deoxyglucosone (3DG) inhibited glucose-stimulated GLP-1 secretion. OBJECTIVE This study investigated the role of STRs in 3DG-induced inhibition of high glucose-stimulated GLP-1 secretion. METHODS STC-1 cells were incubated with lactisole or 3DG for 1 h under 25 mM glucose conditions. Western blotting was used to study the expression of STRs signaling molecules and ELISA was used to analyse GLP-1 and cyclic adenosine monophosphate (cAMP) levels. RESULTS Lactisole inhibited GLP-1 secretion. Exposure to 25 mM glucose increased the expressions of STRs subunits when compared with 5.6 mM glucose. 3DG decreased GLP-1 secretion and STRs subunits expressions, with affecting other components of STRs pathway, including the downregulation of transient receptor potential cation channel subfamily M member 5 (TRPM5) expression and the reduction of intracellular cAMP levels. CONCLUSION 3DG attenuates high glucose-stimulated GLP-1 secretion by reducing STR subunit expression and downstream signaling components.
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Affiliation(s)
- Fei Wang
- a Suzhou Academy of Wumen Chinese Medicine , Suzhou Hospital of Traditional Chinese Medicine , Suzhou , P. R. China
| | - Xiudao Song
- a Suzhou Academy of Wumen Chinese Medicine , Suzhou Hospital of Traditional Chinese Medicine , Suzhou , P. R. China
| | - Liang Zhou
- a Suzhou Academy of Wumen Chinese Medicine , Suzhou Hospital of Traditional Chinese Medicine , Suzhou , P. R. China
| | - Guoqiang Liang
- a Suzhou Academy of Wumen Chinese Medicine , Suzhou Hospital of Traditional Chinese Medicine , Suzhou , P. R. China
| | - Fei Huang
- a Suzhou Academy of Wumen Chinese Medicine , Suzhou Hospital of Traditional Chinese Medicine , Suzhou , P. R. China
| | - Guorong Jiang
- a Suzhou Academy of Wumen Chinese Medicine , Suzhou Hospital of Traditional Chinese Medicine , Suzhou , P. R. China
| | - Lurong Zhang
- a Suzhou Academy of Wumen Chinese Medicine , Suzhou Hospital of Traditional Chinese Medicine , Suzhou , P. R. China
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35
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Zhou L, Song XD, Xu H, Liang GQ, Wang F, Zhang LR, Huang F, Cai J, Jiang GR. Exogenous 3-Deoxyglucosone-Induced Carbonyl and Oxidative Stress Causes β-Cells Dysfunction by Impairing Gut Permeability in Rats. BIOCHEMISTRY (MOSCOW) 2018; 83:1358-1368. [DOI: 10.1134/s0006297918110068] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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36
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Studies on the influence of dietary 3-deoxyglucosone on the urinary excretion of 2-keto-3-deoxygluconic acid. Eur Food Res Technol 2018. [DOI: 10.1007/s00217-018-3052-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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37
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Zhang L, Zhou L, Song X, Liang G, Xu Z, Wang F, Huang F, Jiang G. Involvement of exogenous 3‑deoxyglucosone in β‑cell dysfunction induces impaired glucose regulation. Mol Med Rep 2017; 16:2976-2984. [PMID: 28656301 DOI: 10.3892/mmr.2017.6856] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2016] [Accepted: 05/04/2017] [Indexed: 11/05/2022] Open
Abstract
β‑cell dysfunction is the primary cause of type 2 diabetes mellitus (T2DM). 1,2‑dicarbonyl compounds, such as 3‑deoxyglucosone (3DG) have been reported to increase the risk of T2DM. Abnormal elevation of plasma 3DG may impair β‑cell function and thereby, it is linked to T2DM. Previous findings suggest that exogenous 3DG may serve an important role in the development of pre‑diabetes. In the present study, the authors examine whether exogenous 3DG induces impaired glucose regulation in mice by decreasing β‑cell function involving of accumulation of plasma 3DG. At two weeks following administration of 3DG, fasting blood glucose (FBG) levels, oral glucose tolerance (by a glucose meter) and plasma levels of 3DG (by HPLC) and insulin (by radioimmunoassay) were measured. Glucose‑stimulated insulin secretion in cultured pancreas islets and INS‑1 cells was measured by radioimmunoassay. Western blotting was used to examine the expression of the key molecules of the insulin‑PI3K signaling pathway. 3DG treatment increased FBG and fasting blood insulin levels, reduced oral glucose tolerance in conjunction with decreased ∆Ins30‑0/∆G30‑0. In 3DG‑treated mice, an increase in the plasma 3DG level was observed, which was most likely the mechanism for decreased β‑cell function. This idea was further supported by these results that non‑cytotoxic 3DG concentration obviously decreased glucose‑stimulated insulin secretion in cultured pancreas islets and INS‑1 cells exposure to high glucose (25.5 mM). 3DG decreased the expression of GLUT2 and phosphorylation of IRS‑1, PI3K‑p85 and Akt in high glucose‑induced INS‑1 cells. To the best of the authors' knowledge, the present study is the first to demonstrate that exogenous 3DG induced normal mice to develop IGR, resulting from β‑cell dysfunction. Exogenous 3DG administration increased plasma 3DG levels, which participates in inducing β‑cell dysfunction, at least in part, through impairing IRS‑1/PI3K/GLUT2 signaling.
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Affiliation(s)
- Lurong Zhang
- Suzhou Academy of Wumen Chinese Medicine, Suzhou Hospital of Traditional Chinese Medicine, Nanjing University of Chinese Medicine, Suzhou, Jiangsu 215003, P.R. China
| | - Liang Zhou
- Suzhou Academy of Wumen Chinese Medicine, Suzhou Hospital of Traditional Chinese Medicine, Nanjing University of Chinese Medicine, Suzhou, Jiangsu 215003, P.R. China
| | - Xiudao Song
- Suzhou Academy of Wumen Chinese Medicine, Suzhou Hospital of Traditional Chinese Medicine, Nanjing University of Chinese Medicine, Suzhou, Jiangsu 215003, P.R. China
| | - Guoqiang Liang
- Suzhou Academy of Wumen Chinese Medicine, Suzhou Hospital of Traditional Chinese Medicine, Nanjing University of Chinese Medicine, Suzhou, Jiangsu 215003, P.R. China
| | - Zhongrui Xu
- Suzhou Academy of Wumen Chinese Medicine, Suzhou Hospital of Traditional Chinese Medicine, Nanjing University of Chinese Medicine, Suzhou, Jiangsu 215003, P.R. China
| | - Fei Wang
- Suzhou Academy of Wumen Chinese Medicine, Suzhou Hospital of Traditional Chinese Medicine, Nanjing University of Chinese Medicine, Suzhou, Jiangsu 215003, P.R. China
| | - Fei Huang
- Suzhou Academy of Wumen Chinese Medicine, Suzhou Hospital of Traditional Chinese Medicine, Nanjing University of Chinese Medicine, Suzhou, Jiangsu 215003, P.R. China
| | - Guorong Jiang
- Suzhou Academy of Wumen Chinese Medicine, Suzhou Hospital of Traditional Chinese Medicine, Nanjing University of Chinese Medicine, Suzhou, Jiangsu 215003, P.R. China
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38
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Bilova T, Paudel G, Shilyaev N, Schmidt R, Brauch D, Tarakhovskaya E, Milrud S, Smolikova G, Tissier A, Vogt T, Sinz A, Brandt W, Birkemeyer C, Wessjohann LA, Frolov A. Global proteomic analysis of advanced glycation end products in the Arabidopsis proteome provides evidence for age-related glycation hot spots. J Biol Chem 2017; 292:15758-15776. [PMID: 28611063 DOI: 10.1074/jbc.m117.794537] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2017] [Revised: 05/27/2017] [Indexed: 01/05/2023] Open
Abstract
Glycation is a post-translational modification resulting from the interaction of protein amino and guanidino groups with carbonyl compounds. Initially, amino groups react with reducing carbohydrates, yielding Amadori and Heyns compounds. Their further degradation results in formation of advanced glycation end products (AGEs), also originating from α-dicarbonyl products of monosaccharide autoxidation and primary metabolism. In mammals, AGEs are continuously formed during the life of the organism, accumulate in tissues, are well-known markers of aging, and impact age-related tissue stiffening and atherosclerotic changes. However, the role of AGEs in age-related molecular alterations in plants is still unknown. To fill this gap, we present here a comprehensive study of the age-related changes in the Arabidopsis thaliana glycated proteome, including the proteins affected and specific glycation sites therein. We also consider the qualitative and quantitative changes in glycation patterns in terms of the general metabolic background, pathways of AGE formation, and the status of plant anti-oxidative/anti-glycative defense. Although the patterns of glycated proteins were only minimally influenced by plant age, the abundance of 96 AGE sites in 71 proteins was significantly affected in an age-dependent manner and clearly indicated the existence of age-related glycation hot spots in the plant proteome. Homology modeling revealed glutamyl and aspartyl residues in close proximity (less than 5 Å) to these sites in three aging-specific and eight differentially glycated proteins, four of which were modified in catalytic domains. Thus, the sites of glycation hot spots might be defined by protein structure that indicates, at least partly, site-specific character of glycation.
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Affiliation(s)
- Tatiana Bilova
- From the Departments of Bioorganic Chemistry and .,the Faculty of Chemistry and Mineralogy, Universität Leipzig, D-04103 Leipzig, Germany.,the Departments of Plant Physiology and Biochemistry and
| | - Gagan Paudel
- From the Departments of Bioorganic Chemistry and.,the Faculty of Chemistry and Mineralogy, Universität Leipzig, D-04103 Leipzig, Germany
| | - Nikita Shilyaev
- Biochemistry, Faculty of Biology, Saint-Petersburg State University, 199034 Saint Petersburg, Russia
| | - Rico Schmidt
- the Institute of Pharmacy, Martin-Luther Universität Halle-Wittenberg, D-06099 Halle (Saale), Germany, and
| | - Dominic Brauch
- the Faculty of Chemistry and Mineralogy, Universität Leipzig, D-04103 Leipzig, Germany.,the Leibniz Institute of Plant Genetics and Crop Plant Research (IPK), D-06466 Stadt Seeland, Germany
| | | | - Svetlana Milrud
- the Departments of Plant Physiology and Biochemistry and.,Biochemistry, Faculty of Biology, Saint-Petersburg State University, 199034 Saint Petersburg, Russia
| | | | - Alain Tissier
- Cell and Metabolic Biology, Leibniz Institute of Plant Biochemistry (IPB), D-06120 Halle (Saale), Germany
| | - Thomas Vogt
- Cell and Metabolic Biology, Leibniz Institute of Plant Biochemistry (IPB), D-06120 Halle (Saale), Germany
| | - Andrea Sinz
- the Institute of Pharmacy, Martin-Luther Universität Halle-Wittenberg, D-06099 Halle (Saale), Germany, and
| | | | - Claudia Birkemeyer
- the Faculty of Chemistry and Mineralogy, Universität Leipzig, D-04103 Leipzig, Germany
| | | | - Andrej Frolov
- From the Departments of Bioorganic Chemistry and .,the Faculty of Chemistry and Mineralogy, Universität Leipzig, D-04103 Leipzig, Germany
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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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40
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Interaction of free arginine and guanidine with glucose under thermal processing conditions and formation of Amadori-derived imidazolones. Food Chem 2017; 220:87-92. [DOI: 10.1016/j.foodchem.2016.09.173] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2016] [Revised: 09/26/2016] [Accepted: 09/27/2016] [Indexed: 11/20/2022]
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41
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Liang Z, Li L, Qi H, Zhang ZXX, Li B. Kinetic Study on Peptide-Bound Pyrraline Formation and Elimination in the Maillard Reaction Using Single- and Multiple-Response Models. J Food Sci 2016; 81:C2405-C2424. [PMID: 27626184 DOI: 10.1111/1750-3841.13428] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2016] [Revised: 07/16/2016] [Accepted: 07/22/2016] [Indexed: 12/18/2022]
Abstract
Pyrraline, an advanced glycation end product (AGE), is related to some chronic diseases and can be employed as an indicator for heat damage in food processing. In this study, the impact of changing the reactant concentration and ratio on the kinetic parameters describing peptide-bound pyrraline (pep-pyr) formation and elimination was evaluated in the Lys-Gly/glucose model systems, with microwave heating treatment ranging from 120 to 200 °C. The maximum pep-pyr concentration increased as follows: 200 °C ˂ 180 °C ˂ 160 °C ˂ 120 °C ˂ 140 °C. First, the pep-pyr formation and elimination was modeled by using a single-response modelling. The formation rate constant (kF ) of pep-pyr was independent of the initial concentration of the reactants and ratios. However, the elimination rate constant of pep-pyr (kE ) increased with increasing reactant concentrations. Second, a multiresponse modelling was performed to illustrate the pathways of pep-pyr formation and elimination. Two adapted models can fit to the experimental data with the goodness-of-fit ranging from 0.663 to 0.920. Glucose-to-fructose isomerization rather than glucose-to-mannose epimerization was detected in an equimolar model system and the model system with an excess of any of the reactants. The caramelization reaction was negligible in the equimolar systems and the model systems with an excess of peptide. The reaction rate constant of glucose-to-fructose isomerization was independent of the initial reactant ratios. It was more difficult for pep-pyr elimination in the model system with an excess of peptide than that in the other 2 model systems (the equimolar system and the system with an excess of glucose), whereas a reverse result in pep-pyr formation was obtained.
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Affiliation(s)
- Zhili Liang
- School of Food Science and Engineering, South China Univ. of Technology, Guangzhou, 510640, China
| | - Lin Li
- School of Food Science and Engineering, South China Univ. of Technology, Guangzhou, 510640, China. .,Guangdong Province Key Laboratory for Green Processing of Natural Products and Product Safety, South China Univ. of Technology, Guangzhou, 510640, China. .,Dongguan Univ. of Technology, Dongguan, Guangdong Province, 523808, China.
| | - Haiping Qi
- School of Food Science and Engineering, South China Univ. of Technology, Guangzhou, 510640, China
| | - Zhenbo Xu Xia Zhang
- School of Food Science and Engineering, South China Univ. of Technology, Guangzhou, 510640, China
| | - Bing Li
- School of Food Science and Engineering, South China Univ. of Technology, Guangzhou, 510640, China. .,Guangdong Province Key Laboratory for Green Processing of Natural Products and Product Safety, South China Univ. of Technology, Guangzhou, 510640, China.
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42
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Molenda MA, Baś S, Mlynarski J. A Concise Organocatalytic Synthesis of 3-Deoxy-2-ulosonic Acids throughCinchona-Alkaloid-Promoted Aldol Reactions of Pyruvate. European J Org Chem 2016. [DOI: 10.1002/ejoc.201600784] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Affiliation(s)
- Marta A. Molenda
- Faculty of Chemistry; Jagiellonian University; Ingardena 3 30-060 Krakow Poland
| | - Sebastian Baś
- Faculty of Chemistry; Jagiellonian University; Ingardena 3 30-060 Krakow Poland
| | - Jacek Mlynarski
- Faculty of Chemistry; Jagiellonian University; Ingardena 3 30-060 Krakow Poland
- Institute of Organic Chemistry; Polish Academy of Sciences; Kasprzaka 44/52 Warsaw Poland
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43
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Quantification of 3-deoxyglucosone (3DG) as an aging marker in natural and forced aged wines. J Food Compost Anal 2016. [DOI: 10.1016/j.jfca.2016.05.009] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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44
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Abstract
Oxidative stress has a significant impact on the development and progression of common human pathologies, including cancer, diabetes, hypertension and neurodegenerative diseases. Increasing evidence suggests that oxidative stress globally influences chromatin structure, DNA methylation, enzymatic and non-enzymatic post-translational modifications of histones and DNA-binding proteins. The effects of oxidative stress on these chromatin alterations mediate a number of cellular changes, including modulation of gene expression, cell death, cell survival and mutagenesis, which are disease-driving mechanisms in human pathologies. Targeting oxidative stress-dependent pathways is thus a promising strategy for the prevention and treatment of these diseases. We summarize recent research developments connecting oxidative stress and chromatin regulation.
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Affiliation(s)
- Sarah Kreuz
- King Abdullah University of Science & Technology (KAUST), Environmental Epigenetics Program, Thuwal 23955-6900, Saudi Arabia
| | - Wolfgang Fischle
- King Abdullah University of Science & Technology (KAUST), Environmental Epigenetics Program, Thuwal 23955-6900, Saudi Arabia
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45
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Pischetsrieder M, Gensberger-Reigl S, Atzenbeck L, Weigel I. Chemistry and clinical relevance of carbohydrate degradation in drugs. Drug Discov Today 2016; 21:1620-1631. [PMID: 27320689 DOI: 10.1016/j.drudis.2016.06.011] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2016] [Revised: 04/29/2016] [Accepted: 06/08/2016] [Indexed: 11/15/2022]
Abstract
Carbohydrate degradation products are formed during heat sterilization in drugs containing (poly-)glucose as osmotic agents. Given this situation, peritoneal dialysis fluids (PDFs) and infusion fluids are of particular clinical relevance, because these drugs deliver process contaminants either over a longer period or directly into the circulation of patients who are critically ill. For the development of suitable mitigation strategies, it is important to understand the reaction mechanisms of carbohydrate degradation during sterilization and how the resulting products interact with physiological targets at the molecular level. Furthermore, reliable, comprehensive, and highly sensitive quantification methods are required for product control and toxicological evaluation.
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Affiliation(s)
- Monika Pischetsrieder
- Food Chemistry Unit, Department of Chemistry and Pharmacy, Emil Fischer Center, Friedrich-Alexander Universität Erlangen-Nürnberg (FAU), Schuhstr. 19, 91052, Erlangen, Germany.
| | - Sabrina Gensberger-Reigl
- Food Chemistry Unit, Department of Chemistry and Pharmacy, Emil Fischer Center, Friedrich-Alexander Universität Erlangen-Nürnberg (FAU), Schuhstr. 19, 91052, Erlangen, Germany
| | - Lisa Atzenbeck
- Food Chemistry Unit, Department of Chemistry and Pharmacy, Emil Fischer Center, Friedrich-Alexander Universität Erlangen-Nürnberg (FAU), Schuhstr. 19, 91052, Erlangen, Germany
| | - Ingrid Weigel
- Food Chemistry Unit, Department of Chemistry and Pharmacy, Emil Fischer Center, Friedrich-Alexander Universität Erlangen-Nürnberg (FAU), Schuhstr. 19, 91052, Erlangen, Germany
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46
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Hellwig M, Nobis A, Witte S, Henle T. Occurrence of (Z)-3,4-Dideoxyglucoson-3-ene in Different Types of Beer and Malt Beer as a Result of 3-Deoxyhexosone Interconversion. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2016; 64:2746-2753. [PMID: 26984557 DOI: 10.1021/acs.jafc.6b00468] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
In beer, 3-deoxyglucosone (3-DG) and 3-deoxygalactosone (3-DGal) are important sugar degradation products, but little is known about the relevance of the interconversion reaction between these compounds in different types of beer. In the present study, 3-DG was quantitated at concentrations of 12.9-52.7 mg/L and 3-DGal at concentrations of 6.0-26.4 mg/L in different types of beer (pilsner, wheat, bock, dark, and alcohol-free beers). The concentrations in malt beer tended to be higher. Largely overlapping concentration ranges precluded a classification of beers by their 3-deoxyglycosone contents. 3,4-Dideoxyglucoson-3-ene (3,4-DGE) was identified as an important intermediate and quantitated in beer and malt beer for the first time. The E and Z isomers of the corresponding quinoxaline were synthesized by a new synthetic approach and isolated by semipreparative HPLC. An assay was developed for quantitation of (E)- and (Z)-3,4-DGE by HPLC-MS/MS, and the Z isomer was determined at concentrations of 0.3-1.7 mg/L in beer and 0.5-4.8 mg/L in malt beer samples. The E isomer was shown to be of little importance. Concentrations of 5-hydroxymethylfurfural (HMF) were twice as high as those of (Z)-3,4-DGE in beer samples (0.4-3.7 mg/L) but much higher in malt beer samples (1.6-336 mg/L).
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Affiliation(s)
- Michael Hellwig
- Institute of Food Chemistry, Technische Universität Dresden , D-01062 Dresden, Germany
| | - Arndt Nobis
- Institute of Food Chemistry, Technische Universität Dresden , D-01062 Dresden, Germany
| | - Sophia Witte
- Institute of Food Chemistry, Technische Universität Dresden , D-01062 Dresden, Germany
| | - Thomas Henle
- Institute of Food Chemistry, Technische Universität Dresden , D-01062 Dresden, Germany
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47
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LIANG GUOQIANG, WANG FEI, SONG XIUDAO, ZHANG LURONG, QIAN ZHEN, JIANG GUORONG. 3-Deoxyglucosone induces insulin resistance by impairing insulin signaling in HepG2 cells. Mol Med Rep 2016; 13:4506-12. [DOI: 10.3892/mmr.2016.5081] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2015] [Accepted: 03/01/2016] [Indexed: 11/06/2022] Open
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Zhang L, Song X, Zhou L, Liang G, Xu H, Wang F, Huang F, Jiang G. Accumulation of intestinal tissue 3-deoxyglucosone attenuated GLP-1 secretion and its insulinotropic effect in rats. Diabetol Metab Syndr 2016; 8:78. [PMID: 27956941 PMCID: PMC5129672 DOI: 10.1186/s13098-016-0194-9] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/24/2016] [Accepted: 11/24/2016] [Indexed: 12/25/2022] Open
Abstract
BACKGROUND Our recent findings support the idea that 3-deoxyglucosone (3DG), a dietary composition, has been suggested as an independent factor for the development of prediabetes. Secretion of glucagon-like peptide-1 (GLP-1) has been suggested to be impaired in T2DM and in conditions associated with hyperglycemia. Since low oral bioavailability of 3DG has been indicated in a single administration study, in the present study we examined if 3DG is capable of accumulating in intestinal tissue of rats after 2-week administration of 3DG, and the 3DG treatment affects GLP-1 secretion and glucose tolerance. METHODS Rats were administered by gastric gavage for 2 weeks. We measured 3DG contents of intestinal tissues (by HPLC), plasma levels of total GLP-1 (by ELISA), insulin and glucagon (both by radioimmunoassay) and blood glucose concentrations. The expressions of the sweet receptor subunits (TAS1R2, TAS1R3) and its downstream molecule TRPM5 in duodenum and colon tissues of rats were quantified by WB. We examined GLP-1 secretion in enteroendocrine STC-1 cells exposured to 3DG. RESULTS 3DG treatment for 2 weeks increased 3DG content of intestinal tissues, fasting blood glucose concentration, and reduced plasma concentrations of GLP-1 and insulin at fasting and 15 and 180 min after the glucose load and oral glucose tolerance in conjunction with increased plasma glucagon concentrations. The expressions of TAS1R2, TAS1R3 and TRPM5 were shown to be reduced whereas 3DG treatment did not affect plasma dipeptidyl peptidase-4 activity, indicating an impaired GLP-1 secretion in 3DG-treated rats. This idea was further supported by the fact that exposure to 3DG directly decrease GLP-1 secretion in STC-1. CONCLUSION It is the first demonstration that 3DG was capable of accumulating in intestinal tissue and thereby decreased secretion of GLP-1 and insulin in a similar manner. 3DG-treated rats developed impaired glucose regulation (IGR) with obviously pancreatic islet cell dysfunction. It is further concluded that a decrease in the biological function of GLP-1 resulting from the decreased GLP-1 secretion is the most likely mechanism for the impaired insulin secretion, which ultimately promoted the development of IGR. These results will also contribute to a better understanding of the significance for restoring physiological GLP-1 secretion.
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Affiliation(s)
- Lurong Zhang
- Suzhou Academy of Wumen Chinese Medicine, Suzhou Hospital of Traditional Chinese Medicine, No. 18, Yangsu Road, Suzhou, 215003 Jiangsu People’s Republic of China
| | - Xiudao Song
- Suzhou Academy of Wumen Chinese Medicine, Suzhou Hospital of Traditional Chinese Medicine, No. 18, Yangsu Road, Suzhou, 215003 Jiangsu People’s Republic of China
| | - Liang Zhou
- Suzhou Academy of Wumen Chinese Medicine, Suzhou Hospital of Traditional Chinese Medicine, No. 18, Yangsu Road, Suzhou, 215003 Jiangsu People’s Republic of China
| | - Guoqiang Liang
- Suzhou Academy of Wumen Chinese Medicine, Suzhou Hospital of Traditional Chinese Medicine, No. 18, Yangsu Road, Suzhou, 215003 Jiangsu People’s Republic of China
| | - Heng Xu
- Suzhou Academy of Wumen Chinese Medicine, Suzhou Hospital of Traditional Chinese Medicine, No. 18, Yangsu Road, Suzhou, 215003 Jiangsu People’s Republic of China
| | - Fei Wang
- Suzhou Academy of Wumen Chinese Medicine, Suzhou Hospital of Traditional Chinese Medicine, No. 18, Yangsu Road, Suzhou, 215003 Jiangsu People’s Republic of China
| | - Fei Huang
- Suzhou Academy of Wumen Chinese Medicine, Suzhou Hospital of Traditional Chinese Medicine, No. 18, Yangsu Road, Suzhou, 215003 Jiangsu People’s Republic of China
| | - Guorong Jiang
- Suzhou Academy of Wumen Chinese Medicine, Suzhou Hospital of Traditional Chinese Medicine, No. 18, Yangsu Road, Suzhou, 215003 Jiangsu People’s Republic of China
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DNA Glycation from 3-Deoxyglucosone Leads to the Formation of AGEs: Potential Role in Cancer Auto-antibodies. Cell Biochem Biophys 2015; 74:67-77. [DOI: 10.1007/s12013-015-0713-6] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Ruiz-Matute AI, Castro Vazquez L, Hernández-Hernández O, Sanz ML, Martínez-Castro I. Identification and determination of 3-deoxyglucosone and glucosone in carbohydrate-rich foods. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2015; 95:2424-2430. [PMID: 25331228 DOI: 10.1002/jsfa.6965] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/13/2014] [Revised: 10/16/2014] [Accepted: 10/16/2014] [Indexed: 06/04/2023]
Abstract
BACKGROUND α-Dicarbonyl compounds (α-DCs) such as 3-deoxyglucosone (3-DG) and glucosone are markers of both Maillard and degradation reactions of sugars and also of certain enzymatic processes. However, quantitation of these compounds is not straightforward when more abundant carbohydrates are present in real samples. Therefore in this work a GC/MS method was developed to separate monosaccharides, 3-DG and glucosone and applied to analyze them in carbohydrate-rich food products. Difructose anhydrides (DFAs), known markers of sugar degradation, were also determined. The effect of time and temperature in the production and storage of these compounds was also evaluated. RESULTS Under optimized conditions, good separation between monosaccharides and α-DCs was achieved. Must syrups showed the highest concentrations of 3-DG and glucosone (average values 9.2 and 5.8 mg g(-1) respectively). Coffee substitutes based on carob, chicory and blends showed the highest content of DFAs. Heating and storage assays proved that production of 3-DG was influenced by temperature, while glucosone was more affected by storage time. CONCLUSION The proposed method allows the rapid quantitation of 3-DG and glucosone along with carbohydrates and DFAs in different food products, which is essential to determine their degradation level. Moreover, the α-DC content in several foods is reported for the first time.
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Affiliation(s)
- Ana I Ruiz-Matute
- Institute of General Organic Chemistry (CSIC), Juan de la Cierva 3, E-28006, Madrid, Spain
| | - Lucía Castro Vazquez
- Faculty of Pharmacy, University of Castilla-La Mancha, Campus Universitario, Albacete, Spain
| | | | - María L Sanz
- Institute of General Organic Chemistry (CSIC), Juan de la Cierva 3, E-28006, Madrid, Spain
| | - Isabel Martínez-Castro
- Institute of General Organic Chemistry (CSIC), Juan de la Cierva 3, E-28006, Madrid, Spain
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