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A New Approach for Quantifying Purpurogallin in Brewed Beverages Using LC-MS in Combination with Solid Phase Extraction. Foods 2022; 11:foods11101429. [PMID: 35626999 PMCID: PMC9141120 DOI: 10.3390/foods11101429] [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: 04/20/2022] [Revised: 05/09/2022] [Accepted: 05/11/2022] [Indexed: 12/02/2022] Open
Abstract
Purpurogallin (PPG) is a phenolic compound known for its high antioxidant properties in plant-based food materials. However, there is no easy and reliable method for direct determination of PPG in brewed beverages owing to its hydrophobicity, which makes it hard to separate from the background hydrophobic components. Therefore, a method employing solid-phase extraction (SPE) and liquid chromatography-mass spectrometry (LC-MS) was developed for detection and quantification of PPG in brewed beverages, and PPG content was quantified in commercial coffee, cocoa, and tea samples. The limits of detection and quantification were 71.8 and 155.6 ng/g dry weight (dw), respectively. The recovery with SPE was 26.6%. When combined with acetonitrile extraction (ANE), the recovery was 6.8%, higher than 2.6% with water extraction (WTE). Test tube extractions were better than moka pot brewing (MPB) for PPG quantification. Total PPG content of ground coffees prepared by ANE, WTE, and MPB ranged between 635 and 770, 455 and 630, and 85 and 135 ng/g dw, respectively. PPG was detected in two English breakfast tea samples (335−360 ng/g dw) using WTE, but not in cocoa samples. ANE showed higher (p < 0.05) PPG levels, but WTE (r = 0.55, p < 0.01) correlated better with MPB than ANE (r = 0.43, p < 0.01). The result indicated that WTE is the best method to determine PPG in brewed beverages. This work demonstrated that PPG was significant in brewed coffee, and our pioneer study in developing the method for beverage sample preparation and LC-MS analysis has made possible industrial applications and provided new perspectives for future research.
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Guth I, Matos-Pardal C, Ferreira-Lima R, Loureiro-Rebouças R, Sobral A, Moraes-Marques C, Kubrusly L. Caffeine attenuates liver damage and improves neurologic signs in a rat model of hepatic encephalopathy. REVISTA DE GASTROENTEROLOGÍA DE MÉXICO (ENGLISH EDITION) 2022; 87:159-169. [DOI: 10.1016/j.rgmxen.2022.03.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/01/2020] [Accepted: 11/24/2020] [Indexed: 02/07/2023] Open
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3
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Guth I, Matos-Pardal C, Ferreira-Lima R, Loureiro-Rebouças R, Sobral A, Moraes-Marques C, Kubrusly L. La cafeína atenúa daño hepático y mejora signos neurológicos en un modelo de encefalopatía hepática con ratas. REVISTA DE GASTROENTEROLOGÍA DE MÉXICO 2022. [DOI: 10.1016/j.rgmx.2020.11.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Gu X, Zhang S, Ma W, Wang Q, Li Y, Xia C, Xu Y, Zhang T, Yang L, Zhou M. The Impact of Instant Coffee and Decaffeinated Coffee on the Gut Microbiota and Depression-Like Behaviors of Sleep-Deprived Rats. Front Microbiol 2022; 13:778512. [PMID: 35283829 PMCID: PMC8914519 DOI: 10.3389/fmicb.2022.778512] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2021] [Accepted: 01/04/2022] [Indexed: 12/21/2022] Open
Abstract
Objective Based on our previous research, chronic paradoxical sleep deprivation (PSD) can cause depression-like behaviors and microbial changes in gut microbiota. Coffee, as the world’s most popular drink for the lack of sleep, is beneficial to health and attention and can eliminate the cognitive sequelae caused by poor sleep. The purpose of this study is to investigate the effects of coffee and decaffeinated coffee on PSD rats. Research Design and Methods A total of 32 rats were divided into four groups: control group, PSD model group, conventional coffee group, and decaffeinated coffee group. Behavioral tests, including sucrose preference test, open field test, forced swimming test, and tail suspension test, as well as biochemical detection for inflammatory and antioxidant indexes were performed. The effects of coffee and decaffeinated coffee on the gut microbiota of PSD rats were investigated by 16S rRNA gene sequencing. Results Coffee and decaffeinated coffee significantly improved the depression-like behaviors. Moreover, the serum levels of interleukin-6 and tumor necrosis factor alpha were decreased in both coffee and decaffeinated coffee groups, as well as the levels of superoxide dismutase and GSH-Px were increased. Gut microbiota analysis revealed that the abundance of S24-7, Lachnospiraceae, Oscillospira, and Parabacteroides were significantly increased in PSD rats, while the abundance of Akkermansia and Klebsiella were significantly decreased. After the treatment of coffee and decaffeinated coffee, the abundance of the above gut microbiota was all restored in different degrees. Coffee had relatively more significant effects on PSD-induced depressive-like behaviors, while the difference between coffee and decaffeinated coffee was not obvious in correcting the disorder of gut microbiota. Conclusions These findings have shown that both coffee and decaffeinated coffee are effective for sleep deprivation-induced depression-like behaviors and the dysbiosis of gut microbiota and indicated that caffeine may be not the only key substance of coffee for regulating gut microbiota.
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Affiliation(s)
- Xinyi Gu
- Institute for Interdisciplinary Medicine Sciences, Shanghai University of Traditional Chinese Medicine, Shanghai, China
- Shanghai Frontiers Science Center of TCM Chemical Biology, Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Shuyi Zhang
- Institute for Interdisciplinary Medicine Sciences, Shanghai University of Traditional Chinese Medicine, Shanghai, China
- Shanghai Frontiers Science Center of TCM Chemical Biology, Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, China
- School of Rehabilitation Science, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Weini Ma
- Institute for Interdisciplinary Medicine Sciences, Shanghai University of Traditional Chinese Medicine, Shanghai, China
- Shanghai Frontiers Science Center of TCM Chemical Biology, Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Qixue Wang
- Institute for Interdisciplinary Medicine Sciences, Shanghai University of Traditional Chinese Medicine, Shanghai, China
- Shanghai Frontiers Science Center of TCM Chemical Biology, Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Ying Li
- Institute for Interdisciplinary Medicine Sciences, Shanghai University of Traditional Chinese Medicine, Shanghai, China
- Shanghai Frontiers Science Center of TCM Chemical Biology, Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Chenyi Xia
- Department of Physiology, School of Basic Medical Sciences, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Ying Xu
- Department of Physiology, School of Basic Medical Sciences, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Ting Zhang
- Institute for Interdisciplinary Medicine Sciences, Shanghai University of Traditional Chinese Medicine, Shanghai, China
- Shanghai Frontiers Science Center of TCM Chemical Biology, Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Li Yang
- Institute for Interdisciplinary Medicine Sciences, Shanghai University of Traditional Chinese Medicine, Shanghai, China
- Shanghai Frontiers Science Center of TCM Chemical Biology, Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Mingmei Zhou
- Institute for Interdisciplinary Medicine Sciences, Shanghai University of Traditional Chinese Medicine, Shanghai, China
- Shanghai Frontiers Science Center of TCM Chemical Biology, Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, China
- *Correspondence: Mingmei Zhou,
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Mannino G, Pernici C, Serio G, Gentile C, Bertea CM. Melatonin and Phytomelatonin: Chemistry, Biosynthesis, Metabolism, Distribution and Bioactivity in Plants and Animals-An Overview. Int J Mol Sci 2021; 22:ijms22189996. [PMID: 34576159 PMCID: PMC8469784 DOI: 10.3390/ijms22189996] [Citation(s) in RCA: 44] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2021] [Revised: 09/14/2021] [Accepted: 09/15/2021] [Indexed: 12/21/2022] Open
Abstract
Melatonin is a ubiquitous indolamine, largely investigated for its key role in the regulation of several physiological processes in both animals and plants. In the last century, it was reported that this molecule may be produced in high concentrations by several species belonging to the plant kingdom and stored in specialized tissues. In this review, the main information related to the chemistry of melatonin and its metabolism has been summarized. Furthermore, the biosynthetic pathway characteristics of animal and plant cells have been compared, and the main differences between the two systems highlighted. Additionally, in order to investigate the distribution of this indolamine in the plant kingdom, distribution cluster analysis was performed using a database composed by 47 previously published articles reporting the content of melatonin in different plant families, species and tissues. Finally, the potential pharmacological and biostimulant benefits derived from the administration of exogenous melatonin on animals or plants via the intake of dietary supplements or the application of biostimulant formulation have been largely discussed.
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Affiliation(s)
- Giuseppe Mannino
- Department of Life Sciences and Systems Biology, Plant Physiology Unit, University of Turin, Via Quarello 15/A, 10135 Turin, Italy; (G.M.); (C.P.)
| | - Carlo Pernici
- Department of Life Sciences and Systems Biology, Plant Physiology Unit, University of Turin, Via Quarello 15/A, 10135 Turin, Italy; (G.M.); (C.P.)
| | - Graziella Serio
- Department of Biological, Chemical and Pharmaceutical Sciences and Technologies (STEBICEF), University of Palermo, Viale delle Scienze, 90128 Palermo, Italy;
| | - Carla Gentile
- Department of Biological, Chemical and Pharmaceutical Sciences and Technologies (STEBICEF), University of Palermo, Viale delle Scienze, 90128 Palermo, Italy;
- Correspondence: (C.G.); (C.M.B.); Tel.: +39-091-2389-7423 (C.G.); +39-011-670-6361 (C.M.B.)
| | - Cinzia M. Bertea
- Department of Life Sciences and Systems Biology, Plant Physiology Unit, University of Turin, Via Quarello 15/A, 10135 Turin, Italy; (G.M.); (C.P.)
- Correspondence: (C.G.); (C.M.B.); Tel.: +39-091-2389-7423 (C.G.); +39-011-670-6361 (C.M.B.)
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Soares PV, Kannen V, Jordão Junior AA, Garcia SB. Coffee, but Neither Decaffeinated Coffee nor Caffeine, Elicits Chemoprotection Against a Direct Carcinogen in the Colon of Wistar Rats. Nutr Cancer 2018; 71:615-623. [PMID: 30362831 DOI: 10.1080/01635581.2018.1506489] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Colorectal cancer (CRC) is the third most frequent malignancy worldwide. Coffee is the second most consumed drink in the globe and suggested to decrease the CRC risk. Here, we explored whether coffee, decaffeinated coffee, or caffeine impact on the development of colorectal carcinogenesis induced by the direct carcinogen N-methyl-N-nitro-N-nitrosoguanidine (MNNG) in rats. To this end, sixty-four young male Wistar rats were divided into eight groups of eight animals each. We analyzed the frequency of dysplastic crypts and expression of metallothionein as a biomarker of the cancer risk, as well the expression of phosphorylated H2A histone family/member X (γH2AX) for DNA damage and cyclooxygenase-2 (COX-2) for inflammatory response. We also studied the oxidative stress profile in hepatic and colonic frozen samples (malondialdehyde [MDA], glutathione [GSH], and α-tocopherol). We found that coffee but neither decaffeinated coffee nor caffeine decreased the development of dysplastic crypts in MNNG-exposed rats. All treatments reduced DNA damage intensity in colonocytes. Only decaffeinated coffee increased the numbers of metallothionein positive crypts in comparison with coffee-treated rats. Coffee and caffeine inhibited COX-2 expression in the colon. Both decaffeinated coffee and caffeine decreased hepatic α-tocopherol levels. We suggest that coffee may have other compounds that elicit greater chemoprotective effects than caffeine reducing the CRC risk.
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Affiliation(s)
| | - Vinicius Kannen
- b Department of Toxicology, Bromatology, and Clinical Analysis , University of Sao Paulo , Ribeirao Preto , Brazil
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Bonomini F, Borsani E, Favero G, Rodella LF, Rezzani R. Dietary Melatonin Supplementation Could Be a Promising Preventing/Therapeutic Approach for a Variety of Liver Diseases. Nutrients 2018; 10:nu10091135. [PMID: 30134592 PMCID: PMC6164189 DOI: 10.3390/nu10091135] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2018] [Revised: 08/14/2018] [Accepted: 08/17/2018] [Indexed: 02/07/2023] Open
Abstract
In the therapeutic strategies, the role of diet is a well-established factor that can also have an important role in liver diseases. Melatonin, identified in animals, has many antioxidant properties and it was after discovered also in plants, named phytomelatonin. These substances have a positive effect during aging and in pathological conditions too. In particular, it is important to underline that the amount of melatonin produced by pineal gland in human decreases during lifetime and its reduction in blood could be related to pathological conditions in which mitochondria and oxidative stress play a pivotal role. Moreover, it has been indicated that melatonin/phytomelatonin containing foods may provide dietary melatonin, so their ingestion through balanced diets could be sufficient to confer health benefits. In this review, the classification of liver diseases and an overview of the most important aspects of melatonin/phytomelatonin, concerning the differences among their synthesis, their presence in foods and their role in health and diseases, are summarized. The findings suggest that melatonin/phytomelatonin supplementation with diet should be considered important in preventing different disease settings, in particular in liver. Currently, more studies are needed to strengthen the potential beneficial effects of melatonin/phytomelatonin in liver diseases and to better clarify the molecular mechanisms of action.
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Affiliation(s)
- Francesca Bonomini
- Anatomy and Physiopathology Division, Department of Clinical and Experimental Sciences, University of Brescia, Viale Europa 11, 25123 Brescia, Italy.
- Interdipartimental University Center of Research "Adaption and Regeneration of Tissues and Organs-(ARTO)", University of Brescia, 25123 Brescia, Italy.
| | - Elisa Borsani
- Anatomy and Physiopathology Division, Department of Clinical and Experimental Sciences, University of Brescia, Viale Europa 11, 25123 Brescia, Italy.
- Interdipartimental University Center of Research "Adaption and Regeneration of Tissues and Organs-(ARTO)", University of Brescia, 25123 Brescia, Italy.
| | - Gaia Favero
- Anatomy and Physiopathology Division, Department of Clinical and Experimental Sciences, University of Brescia, Viale Europa 11, 25123 Brescia, Italy.
| | - Luigi F Rodella
- Anatomy and Physiopathology Division, Department of Clinical and Experimental Sciences, University of Brescia, Viale Europa 11, 25123 Brescia, Italy.
- Interdipartimental University Center of Research "Adaption and Regeneration of Tissues and Organs-(ARTO)", University of Brescia, 25123 Brescia, Italy.
| | - Rita Rezzani
- Anatomy and Physiopathology Division, Department of Clinical and Experimental Sciences, University of Brescia, Viale Europa 11, 25123 Brescia, Italy.
- Interdipartimental University Center of Research "Adaption and Regeneration of Tissues and Organs-(ARTO)", University of Brescia, 25123 Brescia, Italy.
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Effects of Coffee Extracts with Different Roasting Degrees on Antioxidant and Anti-Inflammatory Systems in Mice. Nutrients 2018; 10:nu10030363. [PMID: 29547558 PMCID: PMC5872781 DOI: 10.3390/nu10030363] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2018] [Revised: 03/06/2018] [Accepted: 03/08/2018] [Indexed: 11/30/2022] Open
Abstract
Coffee roasting affects the taste, color, and aroma of coffee. The Maillard reaction, a major reaction during the roasting process, produces melanoidin, which affects the overall antioxidant capacity and anti-inflammatory effects of coffee. In this experiment, coffee roasting was divided into four degrees: Light, Medium, City, and French. To examine the in vivo antioxidant and anti-inflammatory effects of coffee extracts with different roasting degrees, we used 10-week-old male C57BL/6 mice. Mice were pre-treated with coffee extracts for 10 days by oral gavage (300 mg/Kg.B.W). After the last pre-treatment, lipopolysaccharide (LPS, 15 mg/Kg.B.W) was injected intraperitoneally for immune stimulation. Histopathological analysis showed that hepatic portal vein invasion and liver necrosis were severe in the LPS-treated group. However, these phenomena were greatly ameliorated when mice were pre-treated with Light- or Medium-roasted coffee extracts. Hepatic glutathione level was increased in the French group but decreased in the LPS-stimulated group. When mice were treated with LPS, mRNA expression level of tumor necrosis factor-alpha (TNF-α) was increased, whereas TNF-α expression was significantly reduced in the Light and Medium groups. Treatment with coffee extracts decreased the mRNA expression levels of interleukin 6 (IL-6) in mice stimulated by LPS, regardless of coffee roasting degrees. These effects decreased with the increasing coffee roasting degree. Results of luciferase reporter assay revealed that these effects of coffee extracts were transcriptionally regulated by the NF-κB pathway. Taken together, these results suggest that the roasting degree affects the antioxidant and anti-inflammatory effects of coffee extracts.
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Bae M, Park YK, Lee JY. Food components with antifibrotic activity and implications in prevention of liver disease. J Nutr Biochem 2017; 55:1-11. [PMID: 29268106 DOI: 10.1016/j.jnutbio.2017.11.003] [Citation(s) in RCA: 54] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2017] [Revised: 09/18/2017] [Accepted: 11/11/2017] [Indexed: 12/26/2022]
Abstract
Increasing prevalence of nonalcoholic fatty liver disease (NAFLD) in parallel with the obesity epidemic has been a major public health concern. NAFLD is the most common chronic liver disease in the United States, ranging from fatty liver to steatohepatitis, fibrosis and cirrhosis in the liver. In response to chronic liver injury, fibrogenesis in the liver occurs as a protective response; however, prolonged and dysregulated fibrogenesis can lead to liver fibrosis, which can further progress to cirrhosis and eventually hepatocellular carcinoma. Interplay of hepatocytes, macrophages and hepatic stellate cells (HSCs) in the hepatic inflammatory and oxidative milieu is critical for the development of NAFLD. In particular, HSCs play a major role in the production of extracellular matrix proteins. Studies have demonstrated that bioactive food components and natural products, including astaxanthin, curcumin, blueberry, silymarin, coffee, vitamin C, vitamin E, vitamin D, resveratrol, quercetin and epigallocatechin-3-gallate, have antifibrotic effects in the liver. This review summarizes current knowledge of the mechanistic insight into the antifibrotic actions of the aforementioned bioactive food components.
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Affiliation(s)
- Minkyung Bae
- Department of Nutritional Sciences, University of Connecticut, Storrs, CT 06269, USA
| | - Young-Ki Park
- Department of Nutritional Sciences, University of Connecticut, Storrs, CT 06269, USA
| | - Ji-Young Lee
- Department of Nutritional Sciences, University of Connecticut, Storrs, CT 06269, USA; Department of Food and Nutrition, Kyung Hee University, Seoul, South Korea.
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Liu ZS, Chen PW, Wang JY, Kuo TC. Assessment of Cellular Mutagenicity of Americano Coffees from Popular Coffee Chains. J Food Prot 2017; 80:1489-1495. [PMID: 28792232 DOI: 10.4315/0362-028x.jfp-17-052] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Coffee is a popular beverage worldwide, but coffee beans can be contaminated with carcinogens. The Ames Salmonella mutagenicity test is often used for analysis of carcinogens for mutagenicity. However, previous studies have provided controversial data about the direct mutagenicity of coffee beans based on Ames test results. This study was conducted to determine the mutagenicity of popular Americano coffee based on results from the Ames test. Coffee samples without additives that were served by five international coffee chain restaurants were subjected to the analysis using Salmonella Typhimurium tester strains TA98, TA100, and TA1535. The levels of bacterial revertants in samples from coffee chains were lower than the twofold criterion of the control sets, and no significant dose-response effect was observed with or without rat liver enzyme activation. These data indicate that Americano coffees from the selected coffee chains possessed no direct mutagenic activity with or without enzyme activation. These findings suggest a low mutagenic risk from Americano coffees served by the selected coffee chains and support the use of other methods to confirm the nonmutagenicity of coffee products. These results are consistent with most recent epidemiological reports.
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Affiliation(s)
- Zhen-Shu Liu
- 1 Department of Safety, Health and Environmental Engineering, Ming Chi University of Technology, New Taipei City, Taiwan, Republic of China
| | - Po-Wen Chen
- 2 Department of Nursing, St. Mary's Junior College of Medicine, Nursing and Management, Yilan 26644, Taiwan, Republic of China (ORCID: http://orcid.org/0000-0003-1230-1532 )
| | - Jung-Yu Wang
- 1 Department of Safety, Health and Environmental Engineering, Ming Chi University of Technology, New Taipei City, Taiwan, Republic of China
| | - Tai-Chen Kuo
- 1 Department of Safety, Health and Environmental Engineering, Ming Chi University of Technology, New Taipei City, Taiwan, Republic of China
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Hodge A, Lim S, Goh E, Wong O, Marsh P, Knight V, Sievert W, de Courten B. Coffee Intake Is Associated with a Lower Liver Stiffness in Patients with Non-Alcoholic Fatty Liver Disease, Hepatitis C, and Hepatitis B. Nutrients 2017; 9:nu9010056. [PMID: 28075394 PMCID: PMC5295100 DOI: 10.3390/nu9010056] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2016] [Revised: 01/02/2017] [Accepted: 01/05/2017] [Indexed: 01/15/2023] Open
Abstract
There is emerging evidence for the positive effects or benefits of coffee in patients with liver disease. We conducted a retrospective cross-sectional study on patients with non-alcoholic fatty liver disease (NAFLD), hepatitis C virus (HCV), and hepatitis B virus (HBV) infection to determine the effects of coffee intake on a non-invasive marker of liver fibrosis: liver stiffness assessed by transient elastography (TE). We assessed coffee and tea intake and measured TE in 1018 patients with NAFLD, HCV, and HBV (155 with NAFLD, 378 with HCV and 485 with HBV). Univariate and multivariate regression models were performed taking into account potential confounders. Liver stiffness was higher in males compared to females (p < 0.05). Patients with HBV had lower liver stiffness than those with HCV and NAFLD. After adjustment for age, gender, smoking, alcohol consumption, M or XL probe, and disease state (NAFLD, HCV, and HBV status), those who drank 2 or more cups of coffee per day had a lower liver stiffness (p = 0.044). Tea consumption had no effect (p = 0.9). Coffee consumption decreases liver stiffness, which may indicate less fibrosis and inflammation, independent of disease state. This study adds further evidence to the notion of coffee maybe beneficial in patients with liver disease.
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Affiliation(s)
- Alexander Hodge
- Gastroenterology and Hepatology Unit, Monash Health, Melbourne 3168, Australia.
- Centre for Inflammatory Disease, School of Clinical Sciences, Monash University, Melbourne 3168, Australia.
| | - Sarah Lim
- School of Clinical Sciences, Monash University, Melbourne 3168, Australia.
| | - Evan Goh
- School of Clinical Sciences, Monash University, Melbourne 3168, Australia.
| | - Ophelia Wong
- School of Clinical Sciences, Monash University, Melbourne 3168, Australia.
| | - Philip Marsh
- School of Clinical Sciences, Monash University, Melbourne 3168, Australia.
| | - Virginia Knight
- Gastroenterology and Hepatology Unit, Monash Health, Melbourne 3168, Australia.
| | - William Sievert
- Gastroenterology and Hepatology Unit, Monash Health, Melbourne 3168, Australia.
- Centre for Inflammatory Disease, School of Clinical Sciences, Monash University, Melbourne 3168, Australia.
| | - Barbora de Courten
- Monash Centre for Health, Research and Implementation, School of Public Health and Preventive Medicine, Monash University, Melbourne 3168, Australia.
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Attia H, Al-Rasheed N, Mohamad R, Al-Rasheed N, Al-Amin M. The antifibrotic and fibrolytic properties of date fruit extract via modulation of genotoxicity, tissue-inhibitor of metalloproteinases and nuclear factor- kappa B pathway in a rat model of hepatotoxicity. BMC COMPLEMENTARY AND ALTERNATIVE MEDICINE 2016; 16:414. [PMID: 27776513 PMCID: PMC5078931 DOI: 10.1186/s12906-016-1388-2] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/16/2015] [Accepted: 10/11/2016] [Indexed: 01/18/2023]
Abstract
BACKGROUND Hepatic fibrosis and its end point; cirrhosis, are the major cause of liver failure and death in patients with chronic liver disease. Therefore, the need for an effective treatment is evident. This study was designed to assess the potential effects of aqueous extract of date fruits, either flesh (DFE) or pits (DPE), on oxidative DNA damage and liver inflammation induced by carbon tetrachloride (CCl4) and whether they are related to inhibition of nuclear factor-κB pathway. In addition, the fibrolytic potential was evaluated via measuring matrix metalloproteinase-9 and tissue inhibitor of metalloproteinases -1 and -2. METHODS Rats were divided into the following groups: normal control, model control (CCl4 only), CCl4 + DFE, CCl4 + DPE and CCl4 + coffee. Coffee was used as a positive control. Fibrosis was induced by chronic administration of CCl4 (0.4 ml/kg) 3× a week for 8 weeks, and rats were treated with 6 ml/kg/day of DFE or DPE for 8 weeks. Liver homogenate was prepared for evaluation of oxidative stress, DNA damage, inflammatory and fibrolytic markers. Data are analyzed using one-way analysis of variance followed by a Tukey-Kramer post hoc test. RESULTS Both DFE and DPE significantly attenuated CCl4-induced oxidative damage as indicated by reducing lipid, protein and DNA oxidation in addition to increasing the levels of hepatic catalase activity. Both extracts blocked the accumulation of collagen I in the liver and ameliorated the increased expression of collagen III and α-smooth muscle actin suggesting suppression of profibrotic response induced by CCl4. DFE and DPE also upregulated the expression of heme oxygenase-1 and attenuated the nuclear factor-κB activation and cycloxygenase-2 expression reflecting their anti-inflammatory potential. Additionally, both flesh and pits extracts attenuated the increase in the tissue inhibitor of metalloproteinases -1 and -2 suggesting their fibrolytic activity. CONCLUSION Our data suggest that DFE or DPE can prevent liver fibrosis by suppressing genotoxicity and nuclear factor-κB inflammatory pathway and by promoting collagen degradation.
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Affiliation(s)
- Hala Attia
- Department of Pharmacology and Toxicology, College of Pharmacy, King Saud University, Riyadh, 11495, Kingdom of Saudi Arabia.
- Department of Biochemistry, College of Pharmacy, Mansoura University, 35516, Mansoura, Egypt.
| | - Nouf Al-Rasheed
- Department of Pharmacology and Toxicology, College of Pharmacy, King Saud University, Riyadh, 11495, Kingdom of Saudi Arabia
| | - Raeesa Mohamad
- Anatomy Department, Faculty of Medicine, King Saud University, Riyadh, 11495, Kingdom of Saudi Arabia
| | - Nawal Al-Rasheed
- Department of Pharmacology and Toxicology, College of Pharmacy, King Saud University, Riyadh, 11495, Kingdom of Saudi Arabia
| | - Maha Al-Amin
- Department of Pharmacology and Toxicology, College of Pharmacy, King Saud University, Riyadh, 11495, Kingdom of Saudi Arabia
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Casas-Grajales S, Muriel P. Antioxidants in liver health. World J Gastrointest Pharmacol Ther 2015; 6:59-72. [PMID: 26261734 PMCID: PMC4526841 DOI: 10.4292/wjgpt.v6.i3.59] [Citation(s) in RCA: 65] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/04/2015] [Revised: 06/04/2015] [Accepted: 06/18/2015] [Indexed: 02/06/2023] Open
Abstract
Liver diseases are a worldwide medical problem because the liver is the principal detoxifying organ and maintains metabolic homeostasis. The liver metabolizes various compounds that produce free radicals (FR). However, antioxidants scavenge FR and maintain the oxidative/antioxidative balance in the liver. When the liver oxidative/antioxidative balance is disrupted, the state is termed oxidative stress. Oxidative stress leads to deleterious processes in the liver and produces liver diseases. Therefore, restoring antioxidants is essential to maintain homeostasis. One method of restoring antioxidants is to consume natural compounds with antioxidant capacity. The objective of this review is to provide information pertaining to various antioxidants found in food that have demonstrated utility in improving liver diseases.
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Feld JJ, Lavoie ÉG, Fausther M, Dranoff JA. I drink for my liver, Doc: emerging evidence that coffee prevents cirrhosis. F1000Res 2015; 4:95. [PMID: 25977756 PMCID: PMC4416533 DOI: 10.12688/f1000research.6368.2] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 10/20/2015] [Indexed: 01/10/2023] Open
Abstract
Evidence demonstrating that regular ingestion of coffee has salutary effects on patients with chronic liver disease is accumulating rapidly. Specifically, it appears that coffee ingestion can slow the progression of liver fibrosis, preventing cirrhosis and hepatocellular carcinoma (HCC). This should excite clinicians and scientists alike, since these observations, if true, would create effective, testable hypotheses that should lead to improved understanding on fibrosis pathogenesis and thus may generate novel pharmacologic treatments of patients with chronic liver disease. This review is designed to examine the relevant clinical and epidemiological data in critical fashion and to examine the putative pharmacological effects of coffee relevant to the pathogenesis of liver fibrosis and cirrhosis. We hope that this will inspire relevant critical analyses, especially among “coffee skeptics”. Of note, one major assumption made by this review is that the bulk of the effects of coffee consumption are mediated by caffeine, rather than by other chemical constituents of coffee. Our rationales for this assumption are threefold: first, caffeine’s effects on adenosinergic signaling provide testable hypotheses; second, although there are myriad chemical constituents of coffee, they are present in very low concentrations, and perhaps more importantly, vary greatly between coffee products and production methods (it is important to note that we do not dismiss the “botanical” hypothesis here; rather, we do not emphasize it at present due to the limitations of the studies examined); lastly, some (but not all) observational studies have examined both coffee and non-coffee caffeine consumption and found consistent effects, and when examined, no benefit to decaffeinated coffee has been observed. Further, in the interval since we examined this phenomenon last, further evidence has accumulated supporting caffeine as the effector molecule for coffee’s salutary effects.
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Affiliation(s)
- Jordan J Feld
- Toronto Western Hospital Liver Center, Toronto, ON, M5G 2M9, Canada
| | - Élise G Lavoie
- Division of Gastroenterology and Hepatology, University of Arkansas for Medical Sciences, Little Rock, AR, USA
| | - Michel Fausther
- Division of Gastroenterology and Hepatology, University of Arkansas for Medical Sciences, Little Rock, AR, USA
| | - Jonathan A Dranoff
- Division of Gastroenterology and Hepatology, University of Arkansas for Medical Sciences, Little Rock, AR, USA
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Duval F, Moreno-Cuevas JE, González-Garza MT, Maldonado-Bernal C, Cruz-Vega DE. Liver fibrosis and mechanisms of the protective action of medicinal plants targeting inflammation and the immune response. Int J Inflam 2015; 2015:943497. [PMID: 25954568 PMCID: PMC4411506 DOI: 10.1155/2015/943497] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2014] [Accepted: 11/29/2014] [Indexed: 12/12/2022] Open
Abstract
Inflammation is a central feature of liver fibrosis as suggested by its role in the activation of hepatic stellate cells leading to extracellular matrix deposition. During liver injury, inflammatory cells are recruited in the injurious site through chemokines attraction. Thus, inflammation could be a target to reduce liver fibrosis. The pandemic trend of obesity, combined with the high incidence of alcohol intake and viral hepatitis infections, highlights the urgent need to find accessible antifibrotic therapies. Medicinal plants are achieving popularity as antifibrotic agents, supported by their safety, cost-effectiveness, and versatility. The aim of this review is to describe the role of inflammation and the immune response in the pathogenesis of liver fibrosis and detail the mechanisms of inhibition of both events by medicinal plants in order to reduce liver fibrosis.
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Affiliation(s)
- Florent Duval
- Catedra de Terapia Celular, Escuela de Medicina, Tecnológico de Monterrey, Avenida Morones Prieto 3000 Pte., 64710 Monterrey, NL, Mexico
| | - Jorge E. Moreno-Cuevas
- Catedra de Terapia Celular, Escuela de Medicina, Tecnológico de Monterrey, Avenida Morones Prieto 3000 Pte., 64710 Monterrey, NL, Mexico
| | - María Teresa González-Garza
- Catedra de Terapia Celular, Escuela de Medicina, Tecnológico de Monterrey, Avenida Morones Prieto 3000 Pte., 64710 Monterrey, NL, Mexico
| | - Carmen Maldonado-Bernal
- Laboratorio de Investigación en Inmunología y Proteómica, Hospital Infantil de México Federico Gómez, Calle Dr. Márquez 162, 06720 Ciudad de México, DF, Mexico
| | - Delia Elva Cruz-Vega
- Catedra de Terapia Celular, Escuela de Medicina, Tecnológico de Monterrey, Avenida Morones Prieto 3000 Pte., 64710 Monterrey, NL, Mexico
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Aqueous Date Flesh or Pits Extract Attenuates Liver Fibrosis via Suppression of Hepatic Stellate Cell Activation and Reduction of Inflammatory Cytokines, Transforming Growth Factor- β 1 and Angiogenic Markers in Carbon Tetrachloride-Intoxicated Rats. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2015; 2015:247357. [PMID: 25945106 PMCID: PMC4402562 DOI: 10.1155/2015/247357] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/08/2014] [Revised: 03/11/2015] [Accepted: 03/12/2015] [Indexed: 01/18/2023]
Abstract
Previous data indicated the protective effect of date fruit extract on oxidative damage in rat liver. However, the hepatoprotective effects via other mechanisms have not been investigated. This study was performed to evaluate the antifibrotic effect of date flesh extract (DFE) or date pits extract (DPE) via inactivation of hepatic stellate cells (HSCs), reducing the levels of inflammatory, fibrotic and angiogenic markers. Coffee was used as reference hepatoprotective agent. Liver fibrosis was induced by injection of CCl4 (0.4 mL/kg) three times weekly for 8 weeks. DFE, DPE (6 mL/kg), coffee (300 mg/kg), and combination of coffee + DFE and coffee + DPE were given to CCl4-intoxicated rats daily for 8 weeks. DFE, DPE, and their combination with coffee attenuated the elevated levels of inflammatory cytokines including tumor necrosis factor-α, interleukin-6, and interleukin-1β. The increased levels of transforming growth factor-β1 and collagen deposition in injured liver were alleviated by both extracts. CCl4-induced expression of α-smooth muscle actin was suppressed indicating HSCs inactivation. Increased angiogenesis was ameliorated as revealed by reduced levels and expression of vascular endothelial growth factor and CD31. We concluded that DFE or DPE could protect liver via different mechanisms. The combination of coffee with DFE or DPE may enhance its antifibrotic effects.
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Duval F, Moreno-Cuevas JE, González-Garza MT, Rodríguez-Montalvo C, Cruz-Vega DE. Protective mechanisms of medicinal plants targeting hepatic stellate cell activation and extracellular matrix deposition in liver fibrosis. Chin Med 2014; 9:27. [PMID: 25606051 PMCID: PMC4299307 DOI: 10.1186/s13020-014-0027-4] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2014] [Accepted: 11/26/2014] [Indexed: 01/18/2023] Open
Abstract
During chronic liver injury, hepatic stellate cells (HSC) are activated and proliferate, which causes excessive extracellular matrix (ECM) deposition, leading to scar formation and fibrosis. Medicinal plants are gaining popularity as antifibrotic agents, and are often safe, cost-effective, and versatile. This review aims to describe the protective role and mechanisms of medicinal plants in the inhibition of HSC activation and ECM deposition during the pathogenesis of liver fibrosis. A systematic literature review on the anti-fibrotic mechanisms of hepatoprotective plants was performed in PubMed, which yielded articles about twelve relevant plants. Many of these plants act via disruption of the transforming growth factor beta 1 signaling pathway, possibly through reduction in oxidative stress. This reduction could explain the inhibition of HSC activation and reduction in ECM deposition. Medicinal plants could be a source of anti-liver fibrosis compounds.
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Affiliation(s)
- Florent Duval
- Cell Therapy Department, School of Medicine, Tecnológico de Monterrey, Monterrey, NL CP 63710 Mexico
| | - Jorge E Moreno-Cuevas
- Cell Therapy Department, School of Medicine, Tecnológico de Monterrey, Monterrey, NL CP 63710 Mexico
| | | | | | - Delia Elva Cruz-Vega
- Cell Therapy Department, School of Medicine, Tecnológico de Monterrey, Monterrey, NL CP 63710 Mexico
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Dranoff JA, Feld JJ, Lavoie ÉG, Fausther M. How does coffee prevent liver fibrosis? Biological plausibility for recent epidemiological observations. Hepatology 2014; 60:464-7. [PMID: 24464631 PMCID: PMC4110162 DOI: 10.1002/hep.27032] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/17/2013] [Accepted: 01/23/2014] [Indexed: 01/14/2023]
Affiliation(s)
- Jonathan A. Dranoff
- Division of Gastroenterology and Hepatology, University of Arkansas for Medical Sciences
| | | | - Élise G. Lavoie
- Division of Gastroenterology and Hepatology, University of Arkansas for Medical Sciences
| | - Michel Fausther
- Division of Gastroenterology and Hepatology, University of Arkansas for Medical Sciences
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Goh GBB, Chow WC, Renwei-Wang, Yuan JM, Koh WP. Coffee, alcohol and other beverages in relation to cirrhosis mortality: the Singapore Chinese Health Study. Hepatology 2014; 60:661-9. [PMID: 24753005 PMCID: PMC4110174 DOI: 10.1002/hep.27054] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/01/2013] [Accepted: 02/03/2014] [Indexed: 12/15/2022]
Abstract
UNLABELLED Limited experimental and epidemiologic data suggest that coffee may reduce hepatic damage in chronic liver disease. The association between consumption of coffee and other beverages and risk of cirrhosis mortality was evaluated in the Singapore Chinese Health Study. This is a prospective population-based cohort of 63,275 middle-aged and older Chinese subjects who provided data on diet, lifestyle, and medical histories through in-person interviews using a structured questionnaire at enrollment between 1993 and 1998. Mortality from cirrhosis in the cohort was ascertained through linkage analysis with nationwide death registry. After a mean follow-up of 14.7 years, 114 subjects died from cirrhosis; 33 of them from viral hepatitis B (29%), two from hepatitis C (2%), and 14 from alcohol-related cirrhosis (12%). Compared to nondrinkers, daily alcohol drinkers had a strong dose-dependent positive association between amount of alcohol and risk of cirrhosis mortality. Conversely, there was a strong dose-dependent inverse association between coffee intake and risk of nonviral hepatitis-related cirrhosis mortality (P for trend = 0.014). Compared to non-daily coffee drinkers, those who drank two or more cups per day had a 66% reduction in mortality risk (hazard ratio [HR] = 0.34, 95% confidence interval [CI] = 0.14-0.81). However, coffee intake was not associated with hepatitis B-related cirrhosis mortality. The inverse relationship between caffeine intake and nonviral hepatitis-related cirrhosis mortality became null after adjustment for coffee drinking. The consumption of black tea, green tea, fruit juices, or soft drinks was not associated with risk of cirrhosis death. CONCLUSION This study demonstrates the protective effect of coffee on nonviral hepatitis-related cirrhosis mortality, and provides further impetus to evaluate coffee as a potential therapeutic agent in patients with cirrhosis.
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Affiliation(s)
- George Boon-Bee Goh
- Department of Gastroenterology & Hepatology, Singapore General Hospital, Singapore
| | - Wan-Cheng Chow
- Department of Gastroenterology & Hepatology, Singapore General Hospital, Singapore
- Duke-NUS Graduate Medical School Singapore, Singapore
| | - Renwei-Wang
- Division of Cancer Control and Population Sciences, University of Pittsburgh Cancer Institute, Pittsburgh, Pennsylvania, USA
| | - Jian-Min Yuan
- Division of Cancer Control and Population Sciences, University of Pittsburgh Cancer Institute, Pittsburgh, Pennsylvania, USA
- Department of Epidemiology, Graduate School of Public Health, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Woon-Puay Koh
- Duke-NUS Graduate Medical School Singapore, Singapore
- Saw Swee Hock School of Public Health, National University of Singapore, Singapore
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20
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Caffeinated and decaffeinated instant coffee consumption partially reverses high-fat diet-induced metabolic alterations in mice. Food Res Int 2014. [DOI: 10.1016/j.foodres.2014.02.025] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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21
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Bøhn SK, Blomhoff R, Paur I. Coffee and cancer risk, epidemiological evidence, and molecular mechanisms. Mol Nutr Food Res 2013; 58:915-30. [DOI: 10.1002/mnfr.201300526] [Citation(s) in RCA: 109] [Impact Index Per Article: 9.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2013] [Revised: 11/11/2013] [Accepted: 11/11/2013] [Indexed: 01/03/2023]
Affiliation(s)
- Siv Kjølsrud Bøhn
- Department of Nutrition; Faculty of Medicine, Institute of Basic Medical Sciences, University of Oslo; Norway
| | - Rune Blomhoff
- Department of Nutrition; Faculty of Medicine, Institute of Basic Medical Sciences, University of Oslo; Norway
- Division of Cancer Medicine; Surgery and Transplantation, Oslo University Hospital; Oslo Norway
| | - Ingvild Paur
- Department of Nutrition; Faculty of Medicine, Institute of Basic Medical Sciences, University of Oslo; Norway
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22
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Shim SG, Jun DW, Kim EK, Saeed WK, Lee KN, Lee HL, Lee OY, Choi HS, Yoon BC. Caffeine attenuates liver fibrosis via defective adhesion of hepatic stellate cells in cirrhotic model. J Gastroenterol Hepatol 2013; 28:1877-84. [PMID: 23808892 DOI: 10.1111/jgh.12317] [Citation(s) in RCA: 69] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 06/06/2013] [Indexed: 12/12/2022]
Abstract
BACKGROUND AND AIM Several epidemiological studies have shown that coffee intake attenuates the progression of liver fibrosis; however, the mechanism is unclear. AIMS We investigated the direct effects of caffeine on hepatic stellate cells (HSCs) and assessed whether caffeine attenuated intrahepatic fibrosis in rat model of liver cirrhosis. METHODS Human hepatic stellate cell line, an immortalized human HSCs line, was used in in vitro assay system. Cell migration and proliferation were assessed in presence of various caffeine concentrations (0, 1, 5, and 10 mmol), and levels of procollagen type Ic and α-smooth muscle actin (α-SMA) were measured by Western blot. Severity of liver inflammation and fibrosis were compared between thioacetamide-treated rats with and without caffeine supplementation. RESULTS Caffeine increased HSCs apoptosis and intracellular F-actin and cyclic adenosine monophosphate expression. Caffeine also inhibited procollagen type Ic and α-SMA expression in a dose- and time-dependent manner. In rat model, caffeine decreased periportal inflammation, levels of inflammatory cells (1.4 ± 0.52 vs 2.6 ± 0.46, P < 0.05), and fibrosis (2.1 ± 0.35 vs 2.9 ± 0.84, P < 0.05). Transforming growth factor-β and α-SMA expressions were also reduced by caffeine. CONCLUSION Caffeine attenuates the progression of liver fibrosis by inhibiting HSCs adhesion and activation.
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Affiliation(s)
- Sung Gon Shim
- Department of Gastroenterology, Hanyang University Medical Center, Seoul, Korea
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23
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Furtado KS, Polletini J, Dias MC, Rodrigues MAM, Barbisan LF. Prevention of rat liver fibrosis and carcinogenesis by coffee and caffeine. Food Chem Toxicol 2013; 64:20-6. [PMID: 24275088 DOI: 10.1016/j.fct.2013.11.011] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2013] [Revised: 11/06/2013] [Accepted: 11/11/2013] [Indexed: 11/29/2022]
Abstract
Coffee has been inversely related to the incidence of human liver disease; however, whether caffeine is the component responsible for the beneficial effects of coffee remains controversial. This study evaluated the beneficial effects of coffee or caffeine in a medium-term bioassay for rat liver fibrosis/carcinogenesis induced by diethylnitrosamine (DEN) and carbon tetrachloride (CCl4). One week after the DEN injection, the groups started to receive conventional coffee, instant coffee or 0.1% caffeine ad libitum for 24 weeks. The groups receiving conventional coffee or caffeine presented a significant reduction in collagen content and mRNA expression of collagen I. The groups receiving instant coffee or caffeine had a significant reduction in the size and area of pre-neoplastic lesions and in the mean number of neoplastic lesions. A significant increase in liver bax protein levels was observed in the groups receiving instant coffee or caffeine as compared to the control group. These data indicate that the most pronounced hepatoprotective effect against fibrosis was observed in the groups receiving conventional coffee and 0.1% caffeine, and the greatest effects against liver carcinogenesis were detected in the groups receiving instant coffee and 0.1% caffeine.
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Affiliation(s)
- Kelly S Furtado
- UNESP - Univ. Estadual Paulista, Department of Pathology, School of Medicine, Botucatu 18618-970, São Paulo, Brazil
| | - Jossimara Polletini
- UNESP - Univ. Estadual Paulista, Department of Pathology, School of Medicine, Botucatu 18618-970, São Paulo, Brazil
| | - Marcos C Dias
- UNESP - Univ. Estadual Paulista, Department of Pathology, School of Medicine, Botucatu 18618-970, São Paulo, Brazil
| | - Maria A M Rodrigues
- UNESP - Univ. Estadual Paulista, Department of Pathology, School of Medicine, Botucatu 18618-970, São Paulo, Brazil
| | - Luis F Barbisan
- UNESP - Univ. Estadual Paulista, Department of Morphology, Institute of Biosciences, Botucatu 18618-970, São Paulo, Brazil.
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24
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Coffee consumption delays the hepatitis and suppresses the inflammation related gene expression in the Long-Evans Cinnamon rat. Clin Nutr 2013; 33:302-10. [PMID: 23755843 DOI: 10.1016/j.clnu.2013.05.006] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2012] [Revised: 04/13/2013] [Accepted: 05/13/2013] [Indexed: 01/17/2023]
Abstract
BACKGROUND AND AIMS Large-scale epidemiological studies have shown that drinking more than two cups of coffee per day reduces the risks of hepatitis and liver cancer. However, the heterogeneity of the human genome requires studies of experimental animal models with defined genetic backgrounds to evaluate the coffee effects on liver diseases. We evaluated the efficacy of coffee consumption with one of experimental animal models for human disease. METHOD We used the Long Evans Cinnamon (LEC) rat, which onsets severe hepatitis and high incidence of liver cancer, due to the accumulation of copper and iron in livers caused by the genetic mutation in Atp7B gene, and leading to the continuous oxidative stress. We determined the expression of inflammation related genes, and amounts of copper and iron in livers, and incidence of the pre-neoplastic foci in the liver tissue of LEC rats. RESULTS Coffee administration for 25 weeks delayed the occurrence of hepatitis by two weeks, significantly improved survival, reduced the expression of inflammatory cytokines, and reduced the incidence of small pre-neoplastic liver foci in LEC rats. There was no significant difference in the accumulation of copper and iron in livers, indicating that coffee administration does not affect to the metabolism of these metals. These findings indicate that drinking coffee potentially prevents hepatitis and liver carcinogenesis through its anti-inflammatory effects. CONCLUSION This study showed the efficacy of coffee in the prevention of hepatitis and liver carcinogenesis in the LEC model.
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25
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Shi H, Dong L, Jiang J, Zhao J, Zhao G, Dang X, Lu X, Jia M. Chlorogenic acid reduces liver inflammation and fibrosis through inhibition of toll-like receptor 4 signaling pathway. Toxicology 2012; 303:107-14. [PMID: 23146752 DOI: 10.1016/j.tox.2012.10.025] [Citation(s) in RCA: 180] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2012] [Revised: 10/28/2012] [Accepted: 10/30/2012] [Indexed: 02/06/2023]
Abstract
Chlorogenic acid (CGA) is a type of polyphenol with anti-inflammatory, antioxidant activities. Our previous studies showed CGA could efficiently inhibit carbon tetrachloride (CCl(4))-induced liver fibrosis in rats. However, the specific underlying mechanism remains unclear. The aim of this study is to investigate the effects of CGA on liver inflammation and fibrosis induced by CCl(4) and whether they are related to inhibition of toll-like receptor 4 (TLR4) signaling pathway. Male Sprague-Dawley (SD) rats were administrated CCl(4) together with or without CGA for 8 weeks. Histopathological and biochemical analyses were carried out. The mRNA and protein expression levels of proinflammatory and profibrotic mediators were detected by RT-PCR and Western blot, respectively. The levels of serum proinflammatory cytokines were detected by ELISA. CGA significantly attenuated CCl(4)-induced liver damage and symptoms of liver fibrosis, accompanied by reduced serum transaminase levels, collagen I and α-smooth muscle actin (α-SMA) expression. As compared with the CCl(4)-treated group, the expression levels of TLR4, myeloid differentiation factor 88 (MyD88), inducible nitric oxide synthase (iNOS) and cyclooxygenase-2 (COX-2) were reduced in the treatment group of CCl(4) and CGA, whereas bone morphogenetic protein and activin membrane-bound inhibitor (Bambi) expression was increased. CGA also suppressed CCl(4) induced nuclear factor-κB (NF-κB) activation. Moreover, the hepatic mRNA expression and serum levels of tumor necrosis factor-α (TNF-α), interleukin-6 (IL-6) and interleukin-1β (IL-1β) were significantly increased in CCl(4)-treated rats and attenuated by co-treatment with CGA. Our data indicate that CGA can efficiently inhibit CCl(4)-induced liver fibrosis in rats and the protective effect may be due to the inhibition of TLR4/MyD88/NF-κB signaling pathway.
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Affiliation(s)
- Haitao Shi
- Department of Gastroenterology, Second Affiliated Hospital of Xi'an Jiaotong University, No. 157 Xiwu Road, Xi'an, Shaanxi 710004, China.
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26
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Furtado KS, Prado MG, Aguiar E Silva MA, Dias MC, Rivelli DP, Rodrigues MAM, Barbisan LF. Coffee and caffeine protect against liver injury induced by thioacetamide in male Wistar rats. Basic Clin Pharmacol Toxicol 2012; 111:339-47. [PMID: 22646289 DOI: 10.1111/j.1742-7843.2012.00903.x] [Citation(s) in RCA: 57] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2012] [Accepted: 05/07/2012] [Indexed: 11/29/2022]
Abstract
Coffee intake has been inversely related to the incidence of liver diseases, although there are controversies on whether these beneficial effects on human health are because of caffeine or other specific components in this popular beverage. Thus, this study evaluated the protective effects of coffee or caffeine intake on liver injury induced by repeated thioacetamide (TAA) administration in male Wistar rats. Rats were randomized into five groups: one untreated group (G1) and four groups (G2-G5) treated with the hepatotoxicant TAA (200 mg/kg b.w., i.p.) twice a week for 8 weeks. Concomitantly, rats received tap water (G1 and G2), conventional coffee (G3), decaffeinated coffee (G4) or 0.1% caffeine (G5). After 8 weeks of treatment, rats were killed and blood and liver samples were collected. Conventional and decaffeinated coffee and caffeine intake significantly reduced serum levels of alanine aminotransferase (ALT) (p < 0.001) and oxidized glutathione (p < 0.05), fibrosis/inflammation scores (p < 0.001), collagen volume fraction (p < 0.01) and transforming growth factor β-1 (TGF-β1) protein expression (p ≤ 0.001) in the liver from TAA-treated groups. In addition, conventional coffee and caffeine intake significantly reduced proliferating cellular nuclear antigen (PCNA) S-phase indexes (p < 0.001), but only conventional coffee reduced cleaved caspase-3 indexes (p < 0.001), active metalloproteinase 2 (p ≤ 0.004) and the number of glutathione S-transferase placental form (GST-P)-positive preneoplastic lesions (p < 0.05) in the liver from TAA-treated groups. In conclusion, conventional coffee and 0.1% caffeine intake presented better beneficial effects than decaffeinated coffee against liver injury induced by TAA in male Wistar rats.
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Affiliation(s)
- Kelly S Furtado
- Department of Pathology, School of Medicine, Sao Paulo State University-UNESP, Botucatu, Sao Paulo, Brazil
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Gutiérrez-Grobe Y, Chávez-Tapia N, Sánchez-Valle V, Gavilanes-Espinar JG, Ponciano-Rodríguez G, Uribe M, Méndez-Sánchez N. High coffee intake is associated with lower grade nonalcoholic fatty liver disease: the role of peripheral antioxidant activity. Ann Hepatol 2012. [DOI: 10.1016/s1665-2681(19)30931-7] [Citation(s) in RCA: 58] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/18/2023]
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28
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Tan DX, Hardeland R, Manchester LC, Korkmaz A, Ma S, Rosales-Corral S, Reiter RJ. Functional roles of melatonin in plants, and perspectives in nutritional and agricultural science. JOURNAL OF EXPERIMENTAL BOTANY 2012; 63:577-97. [PMID: 22016420 DOI: 10.1093/jxb/err256] [Citation(s) in RCA: 346] [Impact Index Per Article: 28.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/18/2023]
Abstract
The presence of melatonin in plants is universal. Evidence has confirmed that a major portion of the melatonin is synthesized by plants themselves even though a homologue of the classic arylalkylamine N-acetyltransferase (AANAT) has not been identified as yet in plants. Thus, the serotonin N-acetylating enzyme in plants may differ greatly from the animal AANAT with regard to sequence and structure. This would imply multiple evolutionary origins of enzymes with these catalytic properties. A primary function of melatonin in plants is to serve as the first line of defence against internal and environmental oxidative stressors. The much higher melatonin levels in plants compared with those found in animals are thought to be a compensatory response by plants which lack means of mobility, unlike animals, as a means of coping with harsh environments. Importantly, remarkably high melatonin concentrations have been measured in popular beverages (coffee, tea, wine, and beer) and crops (corn, rice, wheat, barley, and oats). Billions of people worldwide consume these products daily. The beneficial effects of melatonin on human health derived from the consumption of these products must be considered. Evidence also indicates that melatonin has an ability to increase the production of crops. The mechanisms may involve the roles of melatonin in preservation of chlorophyll, promotion of photosynthesis, and stimulation of root development. Transgenic plants with enhanced melatonin content could probably lead to breakthroughs to increase crop production in agriculture and to improve the general health of humans.
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Affiliation(s)
- Dun-Xian Tan
- Department of Cellular and Structural Biology, The University of Texas, Health Science Center at San Antonio, 7703 Floyd Curl, San Antonio, TX 78229, USA.
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León-Carmona JR, Galano A. Is Caffeine a Good Scavenger of Oxygenated Free Radicals? J Phys Chem B 2011; 115:4538-46. [DOI: 10.1021/jp201383y] [Citation(s) in RCA: 154] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Jorge Rafael León-Carmona
- Departamento de Química, División de Ciencias Básicas e Ingeniería, Universidad Autónoma Metropolitana-Iztapalapa, Av. San Rafael Atlixco No. 186, Col. Vicentina C. P. 09340, México
| | - Annia Galano
- Departamento de Química, División de Ciencias Básicas e Ingeniería, Universidad Autónoma Metropolitana-Iztapalapa, Av. San Rafael Atlixco No. 186, Col. Vicentina C. P. 09340, México
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Abstract
Liver disease is the fifth commonest cause of death in the UK. Observational and case-controlled studies have suggested that coffee is beneficial in liver disease, but this evidence has yet to be evaluated or placed into the context of the natural history of liver disease. The aim of this study was to review the current evidence for the role of coffee in liver disease. Several studies consistently show that coffee drinkers have a reduced risk of abnormal liver function tests, cirrhosis and hepatocellular carcinoma. There is a clear dose response to this benefit. As the effect of this widely available food substance seems substantial further data, ideally from an interventional study of coffee in patients with liver disease, is urgently required particularly because of the potential to reduce fibrosis and hepatocellular carcinoma risk. This would be the first intervention of its kind to have proven benefit irrespective of etiology of liver disease.
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