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Mohamed AI, Erukainure OL, Salau VF, Islam MS. Impact of coffee and its bioactive compounds on the risks of type 2 diabetes and its complications: A comprehensive review. Diabetes Metab Syndr 2024; 18:103075. [PMID: 39067326 DOI: 10.1016/j.dsx.2024.103075] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/14/2023] [Revised: 07/10/2024] [Accepted: 07/14/2024] [Indexed: 07/30/2024]
Abstract
BACKGROUND Coffee beans have a long history of use as traditional medicine by various indigenous people. Recent focus has been given to the health benefits of coffee beans and its bioactive compounds. Research on the bioactivities, applications, and effects of processing methods on coffee beans' phytochemical composition and activities has been conducted extensively. The current review attempts to provide an update on the biological effects of coffee on type 2 diabetes (T2D) and its comorbidities. METHODS Comprehensive literature search was carried out on peer-reviewed published data on biological activities of coffee on in vitro, in vivo and epidemiological research results published from January 2015 to December 2022, using online databases such as PubMed, Google Scholar and ScienceDirect for our searches. RESULTS The main findings were: firstly, coffee may contribute to the prevention of oxidative stress and T2D-related illnesses such as cardiovascular disease, retinopathy, obesity, and metabolic syndrome; secondly, consuming up to 400 mg/day (1-4 cups per day) of coffee is associated with lower risks of T2D; thirdly, caffeine consumed between 0.5 and 4 h before a meal may inhibit acute metabolic rate; and finally, both caffeinated and decaffeinated coffee are associated with reducing the risks of T2D. CONCLUSION Available evidence indicates that long-term consumption of coffee is associated with decreased risk of T2D and its complications as well as decreased body weight. This has been attributed to the consumption of coffee with the abundance of bioactive chemicals.
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Affiliation(s)
- Almahi I Mohamed
- Department of Biochemistry, University of KwaZulu-Natal, Westville Campus, Durban, 4000, South Africa
| | - Ochuko L Erukainure
- Department of Biochemistry, University of KwaZulu-Natal, Westville Campus, Durban, 4000, South Africa; Department of Microbiology, University of KwaZulu-Natal, Westville Campus, Durban, 4000, South Africa
| | - Veronica F Salau
- Department of Biochemistry, University of KwaZulu-Natal, Westville Campus, Durban, 4000, South Africa; Department of Pharmacology, University of the Free State, Bloemfontein, 9300, South Africa
| | - Md Shahidul Islam
- Department of Biochemistry, University of KwaZulu-Natal, Westville Campus, Durban, 4000, South Africa.
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Gajski G, Matković K, Delić L, Gerić M. Evaluation of Primary DNA Damage in Young Healthy Females Based on Their Dietary Preferences. Nutrients 2023; 15:2218. [PMID: 37432334 DOI: 10.3390/nu15092218] [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: 04/13/2023] [Revised: 05/04/2023] [Accepted: 05/05/2023] [Indexed: 07/12/2023] Open
Abstract
DNA damage is known to be associated with many adverse health outcomes, including cancer and chronic diseases, but also with the process of aging. Empirical evidence has shown that environmental exposures, such as certain lifestyle factors, can affect a variety of health-related biomarkers and also impact the stability of DNA through the upregulation of the antioxidant defense system and alteration of its repair capacity. In addition to exercising, diet is an important lifestyle factor that can affect the development of a variety of chronic diseases and growing evidence suggests that plant-based diets, including vegetarianism, may promote health, longevity, and well-being. Therefore, we aimed to assess the primary DNA damage in 32 young healthy females from Zagreb, Croatia, based on their dietary preferences. The participants were divided into two groups: vegetarians and non-vegetarians, where the non-vegetarian group was further divided into omnivores (traditional mixed diet) and pescatarians (consumption of fish and seafood). According to statistical analysis, the DNA damage measured in whole blood cells expressed as the % tail DNA was significantly (p < 0.05) higher in vegetarians (3.6 ± 1.1%) compared to non-vegetarians (2.8 ± 1.0%). When further dividing the participants into specific sub-groups, lower DNA damage was observed amongst omnivorous subjects (3.2 ± 0.8%) compared to vegetarians, with the lowest DNA damage found in females practicing a pescatarian diet (2.4 ± 1.1%). Although a vegetarian diet can lead to a higher intake of specific vitamins and micronutrients, it can also lead to a deficiency of iron, calcium, and total proteins, which may affect genome stability and induce oxidative stress. Even though our results have shown that the pescatarian diet would be more beneficial in terms of maintaining DNA integrity, further research should be carried out to assess how specific dietary preferences affect DNA integrity on a larger scale.
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Affiliation(s)
- Goran Gajski
- Mutagenesis Unit, Institute for Medical Research and Occupational Health, 10000 Zagreb, Croatia
| | - Katarina Matković
- Mutagenesis Unit, Institute for Medical Research and Occupational Health, 10000 Zagreb, Croatia
| | - Luka Delić
- Mutagenesis Unit, Institute for Medical Research and Occupational Health, 10000 Zagreb, Croatia
| | - Marko Gerić
- Mutagenesis Unit, Institute for Medical Research and Occupational Health, 10000 Zagreb, Croatia
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Mišík M, Staudinger M, Kundi M, Worel N, Nersesyan A, Ferk F, Dusinska M, Azqueta A, Møller P, Knasmueller S. Use of the Single Cell Gel Electrophoresis Assay for the Detection of DNA-protective Dietary Factors: Results of Human Intervention Studies. MUTATION RESEARCH. REVIEWS IN MUTATION RESEARCH 2023; 791:108458. [PMID: 37031732 DOI: 10.1016/j.mrrev.2023.108458] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/06/2022] [Revised: 03/14/2023] [Accepted: 04/06/2023] [Indexed: 04/11/2023]
Abstract
The single cell gel electrophoresis technique is based on the measurement of DNA migration in an electric field and enables to investigate via determination of DNA-damage the impact of foods and their constituents on the genetic stability. DNA-damage leads to adverse effects including cancer, neurodegenerative disorders and infertility. In the last 25 years approximately 90 human intervention trials have been published in which DNA-damage, formation of oxidized bases, alterations of the sensitivity towards reactive oxygen species and chemicals and of repair functions were investigated with this technique. In approximately 50% of the studies protective effects were observed. Pronounced protection was found with certain plant foods (spinach, kiwi fruits, onions), coffee, green tea, honey and olive oil. Also diets with increased contents of vegetables caused positive effects. Small amounts of certain phenolics (gallic acid, xanthohumol) prevented oxidative damage of DNA; with antioxidant vitamins and cholecalciferol protective effects were only detected after intake of doses that exceed the recommended daily uptake values. The evaluation of the quality of the studies showed that many have methodological shortcomings (lack of controls, no calibration of repair enzymes, inadequate control of the compliance and statistical analyses) which should be avoided in future investigations.
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Affiliation(s)
- Miroslav Mišík
- Center for Cancer Research, Medical University of Vienna, Borschkegasse 8a, A 1090 Vienna, Austria
| | - Marlen Staudinger
- Center for Cancer Research, Medical University of Vienna, Borschkegasse 8a, A 1090 Vienna, Austria
| | - Michael Kundi
- Center for Public Health, Department of Environmental Health, Medical University of Vienna, Vienna, Austria
| | - Nadine Worel
- Center for Cancer Research, Medical University of Vienna, Borschkegasse 8a, A 1090 Vienna, Austria
| | - Armen Nersesyan
- Center for Cancer Research, Medical University of Vienna, Borschkegasse 8a, A 1090 Vienna, Austria
| | - Franziska Ferk
- Center for Cancer Research, Medical University of Vienna, Borschkegasse 8a, A 1090 Vienna, Austria
| | - Maria Dusinska
- Health Effects Laboratory, Department of Environmental Chemistry, NILU-Norwegian Institute for Air Research, Instituttveien 18, 2002 Kjeller, Norway
| | - Amaya Azqueta
- Department of Pharmacology and Toxicology, University of Navarra, Pamplona, Spain
| | - Peter Møller
- Section of Environmental Health, Department of Public Health, University of Copenhagen, Denmark
| | - Siegfried Knasmueller
- Center for Cancer Research, Medical University of Vienna, Borschkegasse 8a, A 1090 Vienna, Austria.
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Rahn C, Bakuradze T, Stegmüller S, Galan J, Niesen S, Winterhalter P, Richling E. Polyphenol-Rich Beverage Consumption Affecting Parameters of the Lipid Metabolism in Healthy Subjects. Int J Mol Sci 2023; 24:ijms24010841. [PMID: 36614281 PMCID: PMC9821765 DOI: 10.3390/ijms24010841] [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: 11/22/2022] [Revised: 12/21/2022] [Accepted: 12/21/2022] [Indexed: 01/05/2023] Open
Abstract
Polyphenols are a diverse and widely distributed class of secondary metabolites, which possess numerous beneficial properties including a modulation of glucose and lipid metabolism. This placebo-controlled human intervention study was performed to explore effects of polyphenol-rich beverage (PRB) uptake on lipid metabolism, as well as DNA integrity. In this case, 36 healthy men were randomly divided to consume either 750 mL of a PRB (containing 51% chokeberry, cranberry, and pomegranate) or a placebo drink daily for eight weeks. Only PRB consumption was found to decrease fat and protein intakes significantly compared to the preceding one-week washout period. During the intervention with PRB an increased fat-free mass was shown after four weeks, whereas a significant elevation in body weight and leptin was observed in placebo group. Blood lipids were not significantly altered after PRB consumption, while triglyceride levels increased after placebo drink intake. In platelets, a significant inhibition of phosphodiesterase (PDE) activity was observed, more pronounced in test group. Consuming the PRB decreased total DNA strand breaks in whole blood as well as H2O2-induced breaks in isolated lymphocytes. Overall, our study suggested beneficial effects on lipid metabolism by reduced energy intake, modulation of biomarkers such as PDE activity and improved DNA integrity associated with PRB consumption.
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Affiliation(s)
- Celina Rahn
- Division of Food Chemistry and Toxicology, Department of Chemistry, Rheinland-Pfälzische Technische Universität Kaiserslautern-Landau, Erwin-Schrödinger-Straße 52, D-67663 Kaiserslautern, Germany
| | - Tamara Bakuradze
- Division of Food Chemistry and Toxicology, Department of Chemistry, Rheinland-Pfälzische Technische Universität Kaiserslautern-Landau, Erwin-Schrödinger-Straße 52, D-67663 Kaiserslautern, Germany
| | - Simone Stegmüller
- Division of Food Chemistry and Toxicology, Department of Chemistry, Rheinland-Pfälzische Technische Universität Kaiserslautern-Landau, Erwin-Schrödinger-Straße 52, D-67663 Kaiserslautern, Germany
| | - Jens Galan
- Medical Institute, Hochgewanne 19, D-67269 Grünstadt, Germany
| | - Sonja Niesen
- Institute of Food Chemistry, Technische Universität Braunschweig, Schleinitzstraße 20, D-38106 Braunschweig, Germany
| | - Peter Winterhalter
- Institute of Food Chemistry, Technische Universität Braunschweig, Schleinitzstraße 20, D-38106 Braunschweig, Germany
| | - Elke Richling
- Division of Food Chemistry and Toxicology, Department of Chemistry, Rheinland-Pfälzische Technische Universität Kaiserslautern-Landau, Erwin-Schrödinger-Straße 52, D-67663 Kaiserslautern, Germany
- Correspondence: ; Tel.: +49-631-205-4061
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Tommerdahl KL, Hu EA, Selvin E, Steffen LM, Coresh J, Grams ME, Bjornstad P, Rebholz CM, Parikh CR. Coffee Consumption May Mitigate the Risk for Acute Kidney Injury: Results from the Atherosclerosis Risk in Communities (ARIC) Study. Kidney Int Rep 2022; 7:1665-1672. [PMID: 35812301 PMCID: PMC9263223 DOI: 10.1016/j.ekir.2022.04.091] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2021] [Revised: 04/15/2022] [Accepted: 04/25/2022] [Indexed: 11/08/2022] Open
Abstract
Introduction Coffee is one of the most frequently consumed beverages worldwide and has been found to have a wide assortment of health benefits. Although habitual coffee consumption is associated with a lower incidence of chronic kidney disease, an association between coffee and acute kidney injury (AKI) has not yet been revealed. Methods In the Atherosclerosis Risk in Communities (ARIC) Study, a prospective cohort study of 14,207 adults aged 45 to 64 years, coffee consumption (cups/d) was assessed at a single visit via food frequency questionnaires and compared with incident AKI defined by hospitalization with an AKI-related International Classification of Diseases code. Results In ARIC, there were 1694 cases of incident AKI in a median of 24 follow-up years. Higher coffee consumption was associated with lower AKI risk versus no consumption (hazard ratio [HR] <1 cup/d: 0.92 [95% CI: 0.79–1.08]; 1 cup/d: 1.08 [95% CI: 0.94–1.24]; 2 to 3 cups/d: 0.83 [95% CI: 0.72–0.95]; >3 cups/d: 0.83 [95% CI: 0.71–0.96]; reference: never, P = 0.003). Trends for AKI risk across coffee categories remained significant after multivariable adjustment for age, sex, race-center, education, total daily energy intake, physical activity, smoking, alcohol intake, diet quality (Dietary Approaches to Stop Hypertension [DASH] score), systolic blood pressure (BP), diabetes status, use of antihypertensive agents, estimated glomerular filtration rate (eGFR), and body mass index (BMI) (P = 0.02). Conclusion Higher coffee intake was associated with a lower risk of incident AKI and could present an opportunity for cardiorenal protection through diet. Further evaluation of the physiological mechanisms underlying the cardiorenal protective effects of coffee consumption is necessary.
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Molecular Mechanisms of Coffee on Prostate Cancer Prevention. BIOMED RESEARCH INTERNATIONAL 2022; 2022:3254420. [PMID: 35496060 PMCID: PMC9054433 DOI: 10.1155/2022/3254420] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/24/2021] [Accepted: 04/09/2022] [Indexed: 12/14/2022]
Abstract
Prostate cancer (PCa) is one of the most common types of cancer among men, and coffee is associated with a reduced risk of developing PCa. Therefore, we aim to review possible coffee molecular mechanisms that contribute to PCa prevention. Coffee has an important antioxidant capacity that reduces oxidative stress, leading to a reduced mutation in cells. Beyond direct antioxidant activity, coffee stimulates phase II enzymatic activity, which is related to the detoxification of reactive metabolites. The anti-inflammatory effects of coffee reduce tissue damage related to PCa development. Coffee induces autophagy, regulates the NF-κB pathway, and reduces the expression of iNOS and inflammatory mediators, such as TNF-α, IL-6, IL-8, and CRP. Also, coffee modulates transcriptional factors and pathways. It has been shown that coffee increases testosterone and reduces sex hormone-binding globulin, estrogen, and prostate-specific antigen. Coffee also enhances insulin resistance and glucose metabolism. All these effects may contribute to protection against PCa development.
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Martini D, Domínguez-Perles R, Rosi A, Tassotti M, Angelino D, Medina S, Ricci C, Guy A, Oger C, Gigliotti L, Durand T, Marino M, Gottfried-Genieser H, Porrini M, Antonini M, Dei Cas A, Bonadonna RC, Ferreres F, Scazzina F, Brighenti F, Riso P, Del Bo’ C, Mena P, Gil-Izquierdo A, Del Rio D. Effect of Coffee and Cocoa-Based Confectionery Containing Coffee on Markers of DNA Damage and Lipid Peroxidation Products: Results from a Human Intervention Study. Nutrients 2021; 13:2399. [PMID: 34371907 PMCID: PMC8308525 DOI: 10.3390/nu13072399] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2021] [Revised: 07/07/2021] [Accepted: 07/10/2021] [Indexed: 12/28/2022] Open
Abstract
The effect of coffee and cocoa on oxidative damage to macromolecules has been investigated in several studies, often with controversial results. This study aimed to investigate the effect of one-month consumption of different doses of coffee or cocoa-based products containing coffee on markers of DNA damage and lipid peroxidation in young healthy volunteers. Twenty-one volunteers were randomly assigned into a three-arm, crossover, randomized trial. Subjects were assigned to consume one of the three following treatments: one cup of espresso coffee/day (1C), three cups of espresso coffee/day (3C), and one cup of espresso coffee plus two cocoa-based products containing coffee (PC) twice per day for 1 month. At the end of each treatment, blood samples were collected for the analysis of endogenous and H2O2-induced DNA damage and DNA oxidation catabolites, while urines were used for the analysis of oxylipins. On the whole, four DNA catabolites (cyclic guanosine monophosphate (cGMP), 8-OH-2'-deoxy-guanosine, 8-OH-guanine, and 8-NO2-cGMP) were detected in plasma samples following the one-month intervention. No significant modulation of DNA and lipid damage markers was documented among groups, apart from an effect of time for DNA strand breaks and some markers of lipid peroxidation. In conclusion, the consumption of coffee and cocoa-based confectionery containing coffee was apparently not able to affect oxidative stress markers. More studies are encouraged to better explain the findings obtained and to understand the impact of different dosages of these products on specific target groups.
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Affiliation(s)
- Daniela Martini
- Department of Food, Environmental and Nutritional Sciences (DeFENS), Università degli Studi di Milano, 20133 Milan, Italy; (D.M.); (L.G.); (M.M.); (M.P.); (P.R.)
| | - Raúl Domínguez-Perles
- Research Group on Quality, Safety, and Bioactivity of Plant Foods, Department of Food Science and Technology, CEBAS-CSIC, Espinardo, 30100 Murcia, Spain; (R.D.-P.); (S.M.)
| | - Alice Rosi
- Human Nutrition Unit, Department of Food and Drugs, University of Parma, 43125 Parma, Italy; (A.R.); (M.T.); (F.S.); (F.B.); (D.D.R.)
| | - Michele Tassotti
- Human Nutrition Unit, Department of Food and Drugs, University of Parma, 43125 Parma, Italy; (A.R.); (M.T.); (F.S.); (F.B.); (D.D.R.)
| | - Donato Angelino
- Faculty of Bioscience and Technology for Food, Agriculture, and Environment, University of Teramo, 64100 Teramo, Italy;
| | - Sonia Medina
- Research Group on Quality, Safety, and Bioactivity of Plant Foods, Department of Food Science and Technology, CEBAS-CSIC, Espinardo, 30100 Murcia, Spain; (R.D.-P.); (S.M.)
| | - Cristian Ricci
- Pediatric Epidemiology, Department of Pediatrics, University Medicine Leipzig, 04103 Leipzig, Germany;
| | - Alexandre Guy
- Institut des Biomolécules Max Mousseron, IBMM, University of Montpellier, CNRS, ENSCM, 34093 Montpellier, France; (A.G.); (C.O.); (T.D.)
| | - Camille Oger
- Institut des Biomolécules Max Mousseron, IBMM, University of Montpellier, CNRS, ENSCM, 34093 Montpellier, France; (A.G.); (C.O.); (T.D.)
| | - Letizia Gigliotti
- Department of Food, Environmental and Nutritional Sciences (DeFENS), Università degli Studi di Milano, 20133 Milan, Italy; (D.M.); (L.G.); (M.M.); (M.P.); (P.R.)
| | - Thierry Durand
- Institut des Biomolécules Max Mousseron, IBMM, University of Montpellier, CNRS, ENSCM, 34093 Montpellier, France; (A.G.); (C.O.); (T.D.)
| | - Mirko Marino
- Department of Food, Environmental and Nutritional Sciences (DeFENS), Università degli Studi di Milano, 20133 Milan, Italy; (D.M.); (L.G.); (M.M.); (M.P.); (P.R.)
| | | | - Marisa Porrini
- Department of Food, Environmental and Nutritional Sciences (DeFENS), Università degli Studi di Milano, 20133 Milan, Italy; (D.M.); (L.G.); (M.M.); (M.P.); (P.R.)
| | - Monica Antonini
- Department of Medicine and Surgery, University of Parma, 43126 Parma, Italy; (M.A.); (A.D.C.); (R.C.B.)
| | - Alessandra Dei Cas
- Department of Medicine and Surgery, University of Parma, 43126 Parma, Italy; (M.A.); (A.D.C.); (R.C.B.)
| | - Riccardo C. Bonadonna
- Department of Medicine and Surgery, University of Parma, 43126 Parma, Italy; (M.A.); (A.D.C.); (R.C.B.)
| | - Federico Ferreres
- Department of Food Technology and Nutrition, Molecular Recognition and Encapsulation (REM) Group, Universidad Católica de Murcia, UCAM, 30107 Murcia, Spain;
| | - Francesca Scazzina
- Human Nutrition Unit, Department of Food and Drugs, University of Parma, 43125 Parma, Italy; (A.R.); (M.T.); (F.S.); (F.B.); (D.D.R.)
| | - Furio Brighenti
- Human Nutrition Unit, Department of Food and Drugs, University of Parma, 43125 Parma, Italy; (A.R.); (M.T.); (F.S.); (F.B.); (D.D.R.)
| | - Patrizia Riso
- Department of Food, Environmental and Nutritional Sciences (DeFENS), Università degli Studi di Milano, 20133 Milan, Italy; (D.M.); (L.G.); (M.M.); (M.P.); (P.R.)
| | - Cristian Del Bo’
- Department of Food, Environmental and Nutritional Sciences (DeFENS), Università degli Studi di Milano, 20133 Milan, Italy; (D.M.); (L.G.); (M.M.); (M.P.); (P.R.)
| | - Pedro Mena
- Human Nutrition Unit, Department of Food and Drugs, University of Parma, 43125 Parma, Italy; (A.R.); (M.T.); (F.S.); (F.B.); (D.D.R.)
| | - Angel Gil-Izquierdo
- Research Group on Quality, Safety, and Bioactivity of Plant Foods, Department of Food Science and Technology, CEBAS-CSIC, Espinardo, 30100 Murcia, Spain; (R.D.-P.); (S.M.)
| | - Daniele Del Rio
- Human Nutrition Unit, Department of Food and Drugs, University of Parma, 43125 Parma, Italy; (A.R.); (M.T.); (F.S.); (F.B.); (D.D.R.)
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DNA Protection by an Aronia Juice-Based Food Supplement. Antioxidants (Basel) 2021; 10:antiox10060857. [PMID: 34071817 PMCID: PMC8226982 DOI: 10.3390/antiox10060857] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2021] [Revised: 05/19/2021] [Accepted: 05/22/2021] [Indexed: 12/11/2022] Open
Abstract
BACKGROUND This study investigated the effects of an aronia juice-based food supplement on background and total DNA strand breaks in whole blood, and on H2O2-induced DNA strand breaks in isolated peripheral blood lymphocytes. METHODS Ninety-one healthy volunteers were randomly selected to consume either the food supplement (2 × 25 mL drinking ampules, n = 45) or no supplement (n = 46) daily for eight weeks. RESULTS Background DNA strand breaks decreased significantly after four and eight weeks of supplement consumption, compared to baseline (p < 0.05), but the overall effect was low, and neither group showed a decrease in total DNA strand breaks. Conversely, supplement consumption clearly reduced H2O2-induced DNA strand breaks ex vivo (p < 0.001), with statistically significant reductions after four and eight weeks, compared to the control group (p < 0.05). CONCLUSIONS Thus, although consuming antioxidant supplements might produce only marginal immediate benefits under healthy conditions, potential preventive effects warrant further investigation.
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Kolb H, Martin S, Kempf K. Coffee and Lower Risk of Type 2 Diabetes: Arguments for a Causal Relationship. Nutrients 2021; 13:nu13041144. [PMID: 33807132 PMCID: PMC8066601 DOI: 10.3390/nu13041144] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2021] [Revised: 03/23/2021] [Accepted: 03/27/2021] [Indexed: 12/12/2022] Open
Abstract
Prospective epidemiological studies concur in an association between habitual coffee consumption and a lower risk of type 2 diabetes. Several aspects of these studies support a cause–effect relationship. There is a dependency on daily coffee dose. Study outcomes are similar in different regions of the world, show no differences between sexes, between obese versus lean, young versus old, smokers versus nonsmokers, regardless of the number of confounders adjusted for. Randomized controlled intervention trials did not find a consistent impact of drinking coffee on acute metabolic control, except for effects of caffeine. Therefore, lowering of diabetes risk by coffee consumption does not involve an acute effect on the post-meal course of blood glucose, insulin or insulin resistance. Several studies in animals and humans find that the ingestion of coffee phytochemicals induces an adaptive cellular response characterized by upregulation and de novo synthesis of enzymes involved in cell defense and repair. A key regulator is the nuclear factor erythroid 2-related factor 2 (Nrf2) in association with the aryl hydrocarbon receptor, AMP-activated kinase and sirtuins. One major site of coffee actions appears to be the liver, causing improved fat oxidation and lower risk of steatosis. Another major effect of coffee intake is preservation of functional beta cell mass via enhanced mitochondrial function, lower endoplasmic reticulum stress and prevention or clearance of aggregates of misfolded proinsulin or amylin. Long-term preservation of proper liver and beta cell function may account for the association of habitual coffee drinking with a lower risk of type 2 diabetes, rather than acute improvement of metabolic control.
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Affiliation(s)
- Hubert Kolb
- Faculty of Medicine, University of Duesseldorf, Moorenstr. 5, 40225 Duesseldorf, Germany; (H.K.); (S.M.)
- West-German Centre of Diabetes and Health, Duesseldorf Catholic Hospital Group, Hohensandweg 37, 40591 Duesseldorf, Germany
| | - Stephan Martin
- Faculty of Medicine, University of Duesseldorf, Moorenstr. 5, 40225 Duesseldorf, Germany; (H.K.); (S.M.)
- West-German Centre of Diabetes and Health, Duesseldorf Catholic Hospital Group, Hohensandweg 37, 40591 Duesseldorf, Germany
| | - Kerstin Kempf
- West-German Centre of Diabetes and Health, Duesseldorf Catholic Hospital Group, Hohensandweg 37, 40591 Duesseldorf, Germany
- Correspondence: ; Tel.: +49-211-566036016
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DNA-BINDING and DNA-protecting activities of small natural organic molecules and food extracts. Chem Biol Interact 2020; 323:109030. [PMID: 32205154 DOI: 10.1016/j.cbi.2020.109030] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2019] [Revised: 02/21/2020] [Accepted: 02/26/2020] [Indexed: 01/07/2023]
Abstract
The review summarizes literature data on the DNA-binding, DNA-protecting and DNA-damaging activities of a range of natural human endogenous and exogenous compounds. Small natural organic molecules bind DNA in a site-specific mode, by arranging tight touch with the structure of the major and minor grooves, as well as individual bases in the local duplex DNA. Polyphenols are the best-studied exogenous compounds from this point of view. Many of them demonstrate hormetic effects, producing both beneficial and damaging effects. An attempt to establish the dependence of DNA damage or DNA protection on the concentration of the compound turned out to be successful for some polyphenols, daidzein, genistein and resveratrol, which were DNA protecting in low concentrations and DNA damaging in high concentrations. There was no evident dependence on concentration for quercetin and kaempferol. Probably, the DNA-protecting effect is associated with the affinity to DNA. Caffeine and theophylline are DNA binders; at the same time, they favor DNA repair. Although most alkaloids damage DNA, berberine can protect DNA against damage. Among the endogenous compounds, hormones belonging to the amine class, thyroid and steroid hormones appear to bind DNA and produce some DNA damage. Thus, natural compounds continue to reveal beneficial or adverse effects on genome integrity and provide a promising source of therapeutic activities.
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Application of the comet assay in human biomonitoring: An hCOMET perspective. MUTATION RESEARCH-REVIEWS IN MUTATION RESEARCH 2019; 783:108288. [PMID: 32192646 DOI: 10.1016/j.mrrev.2019.108288] [Citation(s) in RCA: 81] [Impact Index Per Article: 16.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/01/2019] [Revised: 10/29/2019] [Accepted: 11/07/2019] [Indexed: 12/29/2022]
Abstract
The comet assay is a well-accepted biomonitoring tool to examine the effect of dietary, lifestyle, environmental and occupational exposure on levels of DNA damage in human cells. With such a wide range of determinants for DNA damage levels, it becomes challenging to deal with confounding and certain factors are inter-related (e.g. poor nutritional intake may correlate with smoking status). This review describes the effect of intrinsic (i.e. sex, age, tobacco smoking, occupational exposure and obesity) and extrinsic (season, environmental exposures, diet, physical activity and alcohol consumption) factors on the level of DNA damage measured by the standard or enzyme-modified comet assay. Although each factor influences at least one comet assay endpoint, the collective evidence does not indicate single factors have a large impact. Thus, controlling for confounding may be necessary in a biomonitoring study, but none of the factors is strong enough to be regarded a priori as a confounder. Controlling for confounding in the comet assay requires a case-by-case approach. Inter-laboratory variation in levels of DNA damage and to some extent also reproducibility in biomonitoring studies are issues that have haunted the users of the comet assay for years. Procedures to collect specimens, and their storage, are not standardized. Likewise, statistical issues related to both sample-size calculation (before sampling of specimens) and statistical analysis of the results vary between studies. This review gives guidance to statistical analysis of the typically complex exposure, co-variate, and effect relationships in human biomonitoring studies.
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Bakuradze T, Tausend A, Galan J, Groh IAM, Berry D, Tur JA, Marko D, Richling E. Antioxidative activity and health benefits of anthocyanin-rich fruit juice in healthy volunteers. Free Radic Res 2019; 53:1045-1055. [DOI: 10.1080/10715762.2019.1618851] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Affiliation(s)
- Tamara Bakuradze
- Department of Chemistry, Division of Food Chemistry and Toxicology, Technische Universität Kaiserslautern, Kaiserslautern, Germany
| | - Angelina Tausend
- Department of Chemistry, Division of Food Chemistry and Toxicology, Technische Universität Kaiserslautern, Kaiserslautern, Germany
| | - Jens Galan
- Medical Institute, Hochgewanne 19, Grünstadt, Germany
| | | | - David Berry
- Department of Microbiology and Ecosystem Science, Centre for Microbiology and Environmental Systems Science, Universität Wien, Vienna, Austria
| | - Josep A. Tur
- Research Group on Community Nutrition & Oxidative Stress, University of the Balearic Islands & CIBEROBN, Palma de Mallorca, Spain
| | - Doris Marko
- Department of Food Chemistry and Toxicology, Universität Wien, Vienna, Austria
| | - Elke Richling
- Department of Chemistry, Division of Food Chemistry and Toxicology, Technische Universität Kaiserslautern, Kaiserslautern, Germany
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Bakuradze T, Becker D, Reischmann J, Meiser P, Galan J, Richling E. Protection from DNA Damage by Use of an Aronia Food Supplement—Results from a Pilot Human Intervention Study. ACTA ACUST UNITED AC 2019. [DOI: 10.1007/s40495-019-00178-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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Pahlke G, Attakpah E, Aichinger G, Ahlberg K, Hochkogler CM, Schweiger K, Schipp D, Somoza V, Marko D. Dark coffee consumption protects human blood cells from spontaneous DNA damage. J Funct Foods 2019. [DOI: 10.1016/j.jff.2019.02.008] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
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Del Bo' C, Marino M, Martini D, Tucci M, Ciappellano S, Riso P, Porrini M. Overview of Human Intervention Studies Evaluating the Impact of the Mediterranean Diet on Markers of DNA Damage. Nutrients 2019; 11:nu11020391. [PMID: 30781873 PMCID: PMC6412605 DOI: 10.3390/nu11020391] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2018] [Revised: 02/03/2019] [Accepted: 02/11/2019] [Indexed: 01/26/2023] Open
Abstract
The Mediterranean diet (MD) is characterized by high consumption of fruits, vegetables, cereals, potatoes, poultry, beans, nuts, lean fish, dairy products, small quantities of red meat, moderate alcohol consumption, and olive oil. Most of these foods are rich sources of bioactive compounds which may play a role in the protection of oxidative stress including DNA damage. The present review provides a summary of the evidence deriving from human intervention studies aimed at evaluating the impact of Mediterranean diet on markers of DNA damage, DNA repair, and telomere length. The few results available show a general protective effect of MD alone, or in combination with bioactive-rich foods, on DNA damage. In particular, the studies reported a reduction in the levels of 8-hydroxy-2'⁻deoxyguanosine and a modulation of DNA repair gene expression and telomere length. In conclusion, despite the limited literature available, the results obtained seem to support the beneficial effects of MD dietary pattern in the protection against DNA damage susceptibility. However, further well-controlled interventions are desirable in order to confirm the results obtained and provide evidence-based conclusions.
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Affiliation(s)
- Cristian Del Bo'
- Department of Food, Environmental and Nutritional Sciences (DeFENS), Università degli Studi di Milano, 20122 Milan, Italy.
| | - Mirko Marino
- Department of Food, Environmental and Nutritional Sciences (DeFENS), Università degli Studi di Milano, 20122 Milan, Italy.
| | - Daniela Martini
- Human Nutrition Unit, Department of Veterinary Science, University of Parma, 43125 Parma, Italy.
| | - Massimiliano Tucci
- Department of Food, Environmental and Nutritional Sciences (DeFENS), Università degli Studi di Milano, 20122 Milan, Italy.
| | - Salvatore Ciappellano
- Department of Food, Environmental and Nutritional Sciences (DeFENS), Università degli Studi di Milano, 20122 Milan, Italy.
| | - Patrizia Riso
- Department of Food, Environmental and Nutritional Sciences (DeFENS), Università degli Studi di Milano, 20122 Milan, Italy.
| | - Marisa Porrini
- Department of Food, Environmental and Nutritional Sciences (DeFENS), Università degli Studi di Milano, 20122 Milan, Italy.
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Carlström M, Larsson SC. Coffee consumption and reduced risk of developing type 2 diabetes: a systematic review with meta-analysis. Nutr Rev 2018; 76:395-417. [DOI: 10.1093/nutrit/nuy014] [Citation(s) in RCA: 108] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Affiliation(s)
- Mattias Carlström
- Department of Physiology and Pharmacology, Karolinska Institutet, Stockholm, Sweden
| | - Susanna C Larsson
- Unit of Nutritional Epidemiology, Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
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Metro D, Cernaro V, Santoro D, Papa M, Buemi M, Benvenga S, Manasseri L. Beneficial effects of oral pure caffeine on oxidative stress. J Clin Transl Endocrinol 2017; 10:22-27. [PMID: 29204368 PMCID: PMC5691215 DOI: 10.1016/j.jcte.2017.10.001] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2017] [Revised: 09/24/2017] [Accepted: 10/03/2017] [Indexed: 12/11/2022] Open
Abstract
Ingestion of coffee (which is a mixture of over 1000 hydrosoluble substances) is known to protect from type-2 diabetes mellitus and its complications, and other chronic disorders associated with increased oxidative damage in blood and tissues. This protection is generally attributed to polyphenols and melanoidins. Very few studies were conducted on the amelioration of classic blood markers of oxidative stress induced after a few days of caffeine administration, but results vary. To assess whether caffeine per se could account for antioxidant properties of coffee in the short-term, we tested the ability of pure caffeine ingestion (5 mg/kg body weight/day in two daily doses for seven consecutive days) to improve plasma levels of six biochemical indices in healthy male volunteers (n = 15). These indices were total antioxidant capacity (TAC), glutathione (GSH), oxidized glutathione (GSSG), GSH to GSSG ratio, lipid hydroperoxides (LOOH) and malondialdehyde (MDA). We found that all indices changed significantly (P < .05 or < .01) in a favourable manner, ranging from -41% for GSSG to -70% for LHP levels, and +106% for GSH levels to +249% for the GSG/GSSG ratio. Changes of any given index were uniform across subjects, with no outliers. We conclude that caffeine has unequivocal, consistent antioxidant properties.
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Affiliation(s)
- Daniela Metro
- Department of Biomedical and Dental Sciences and Morphofunctional Imaging, University of Messina, University Hospital Policlinico G. Martino, Padiglione G, Messina, Italy
| | - Valeria Cernaro
- Department of Clinical and Experimental Medicine, University of Messina, University Hospital Policlinico G. Martino Padiglione C, Via Consolare Valeria, 98100 Messina, Italy
| | - Domenico Santoro
- Department of Clinical and Experimental Medicine, University of Messina, University Hospital Policlinico G. Martino Padiglione C, Via Consolare Valeria, 98100 Messina, Italy
| | - Mattia Papa
- Department of Biomedical and Dental Sciences and Morphofunctional Imaging, University of Messina, University Hospital Policlinico G. Martino, Padiglione G, Messina, Italy
| | - Michele Buemi
- Department of Clinical and Experimental Medicine, University of Messina, University Hospital Policlinico G. Martino Padiglione C, Via Consolare Valeria, 98100 Messina, Italy
| | - Salvatore Benvenga
- Department of Clinical and Experimental Medicine, University of Messina, Italy
- Master Program on Childhood, Adolescent and Women’s Endocrine Health, University of Messina, Italy
- Interdep Program of Molecular & Clinical Endocrinology and Women’s Endocrine Health, University Hospital Policlinico G. Martino, Padiglione H, Messina, Italy
| | - Luigi Manasseri
- Department of Biomedical and Dental Sciences and Morphofunctional Imaging, University of Messina, University Hospital Policlinico G. Martino, Padiglione G, Messina, Italy
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Martini D, Del Bo' C, Tassotti M, Riso P, Del Rio D, Brighenti F, Porrini M. Coffee Consumption and Oxidative Stress: A Review of Human Intervention Studies. Molecules 2016; 21:E979. [PMID: 27483219 PMCID: PMC6274123 DOI: 10.3390/molecules21080979] [Citation(s) in RCA: 103] [Impact Index Per Article: 12.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2016] [Revised: 07/19/2016] [Accepted: 07/21/2016] [Indexed: 02/07/2023] Open
Abstract
Research on the potential protective effects of coffee and its bioactives (caffeine, chlorogenic acids and diterpenes) against oxidative stress and related chronic disease risk has been increasing in the last years. The present review summarizes the main findings on the effect of coffee consumption on protection against lipid, protein and DNA damage, as well as on the modulation of antioxidant capacity and antioxidant enzymes in human studies. Twenty-six dietary intervention studies (involving acute and chronic coffee intake) have been considered. Overall, the results suggest that coffee consumption can increase glutathione levels and improve protection against DNA damage, especially following regular/repeated intake. On the contrary, the effects of coffee on plasma antioxidant capacity and antioxidant enzymes, as well as on protein and lipid damage, are unclear following both acute and chronic exposure. The high heterogeneity in terms of type of coffee, doses and duration of the studies, the lack of information on coffee and/or brew bioactive composition, as well as the choice of biomarkers and the methods used for their evaluation, may partially explain the variability observed among findings. More robust and well-controlled intervention studies are necessary for a thorough understanding of the effect of coffee on oxidative stress markers in humans.
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Affiliation(s)
- Daniela Martini
- LS9 Interlab Group, The Laboratory of Phytochemicals in Physiology, Department of Food Science, University of Parma, Medical School Building C, Via Volturno 39, 43125 Parma, Italy.
| | - Cristian Del Bo'
- Department of Food, Environmental and Nutritional Sciences, Division of Human Nutrition, Università degli Studi di Milano, Via G. Celoria 2, 20133 Milano, Italy.
| | - Michele Tassotti
- LS9 Interlab Group, The Laboratory of Phytochemicals in Physiology, Department of Food Science, University of Parma, Medical School Building C, Via Volturno 39, 43125 Parma, Italy.
| | - Patrizia Riso
- Department of Food, Environmental and Nutritional Sciences, Division of Human Nutrition, Università degli Studi di Milano, Via G. Celoria 2, 20133 Milano, Italy.
| | - Daniele Del Rio
- LS9 Interlab Group, The Laboratory of Phytochemicals in Physiology, Department of Food Science, University of Parma, Medical School Building C, Via Volturno 39, 43125 Parma, Italy.
| | - Furio Brighenti
- LS9 Interlab Group, The Laboratory of Phytochemicals in Physiology, Department of Food Science, University of Parma, Medical School Building C, Via Volturno 39, 43125 Parma, Italy.
| | - Marisa Porrini
- Department of Food, Environmental and Nutritional Sciences, Division of Human Nutrition, Università degli Studi di Milano, Via G. Celoria 2, 20133 Milano, Italy.
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Burgos-Morón E, Calderón-Montaño JM, Orta ML, Guillén-Mancina E, Mateos S, López-Lázaro M. Cells Deficient in the Fanconi Anemia Protein FANCD2 are Hypersensitive to the Cytotoxicity and DNA Damage Induced by Coffee and Caffeic Acid. Toxins (Basel) 2016; 8:toxins8070211. [PMID: 27399778 PMCID: PMC4963844 DOI: 10.3390/toxins8070211] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2016] [Revised: 06/11/2016] [Accepted: 07/01/2016] [Indexed: 12/15/2022] Open
Abstract
Epidemiological studies have found a positive association between coffee consumption and a lower risk of cardiovascular disorders, some cancers, diabetes, Parkinson and Alzheimer disease. Coffee consumption, however, has also been linked to an increased risk of developing some types of cancer, including bladder cancer in adults and leukemia in children of mothers who drink coffee during pregnancy. Since cancer is driven by the accumulation of DNA alterations, the ability of the coffee constituent caffeic acid to induce DNA damage in cells may play a role in the carcinogenic potential of this beverage. This carcinogenic potential may be exacerbated in cells with DNA repair defects. People with the genetic disease Fanconi Anemia have DNA repair deficiencies and are predisposed to several cancers, particularly acute myeloid leukemia. Defects in the DNA repair protein Fanconi Anemia D2 (FANCD2) also play an important role in the development of a variety of cancers (e.g., bladder cancer) in people without this genetic disease. This communication shows that cells deficient in FANCD2 are hypersensitive to the cytotoxicity (clonogenic assay) and DNA damage (γ-H2AX and 53BP1 focus assay) induced by caffeic acid and by a commercial lyophilized coffee extract. These data suggest that people with Fanconi Anemia, or healthy people who develop sporadic mutations in FANCD2, may be hypersensitive to the carcinogenic activity of coffee.
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Affiliation(s)
- Estefanía Burgos-Morón
- Department of Pharmacology, Faculty of Pharmacy, University of Seville, Profesor García González 2, 41012 Seville, Spain.
| | - José Manuel Calderón-Montaño
- Department of Pharmacology, Faculty of Pharmacy, University of Seville, Profesor García González 2, 41012 Seville, Spain.
- Department of Molecular Biology, Centro Andaluz de Biología Molecular y Medicina Regenerativa, University of Seville, Avda. Americo Vespucio s/n., 41092 Seville, Spain.
| | - Manuel Luis Orta
- Department of Cell Biology, Faculty of Biology, University of Seville, Avda. Reina Mercedes s/n., 41012 Seville, Spain.
| | - Emilio Guillén-Mancina
- Department of Pharmacology, Faculty of Pharmacy, University of Seville, Profesor García González 2, 41012 Seville, Spain.
| | - Santiago Mateos
- Department of Cell Biology, Faculty of Biology, University of Seville, Avda. Reina Mercedes s/n., 41012 Seville, Spain.
| | - Miguel López-Lázaro
- Department of Pharmacology, Faculty of Pharmacy, University of Seville, Profesor García González 2, 41012 Seville, Spain.
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Comet assay: an essential tool in toxicological research. Arch Toxicol 2016; 90:2315-36. [DOI: 10.1007/s00204-016-1767-y] [Citation(s) in RCA: 81] [Impact Index Per Article: 10.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2016] [Accepted: 06/14/2016] [Indexed: 01/02/2023]
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