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Yang S, Liu H, Fang XM, Yan F, Zhang Y. Signaling pathways in uric acid homeostasis and gout: From pathogenesis to therapeutic interventions. Int Immunopharmacol 2024; 132:111932. [PMID: 38560961 DOI: 10.1016/j.intimp.2024.111932] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2024] [Revised: 03/20/2024] [Accepted: 03/24/2024] [Indexed: 04/04/2024]
Abstract
Uric acid is a product of purine degradation, and uric acid may have multiple physiologic roles, including the beneficial effects as an antioxidant and neuroprotector, maintenance of blood pressure during low salt ingestion, and modulation of immunity. However, overproduction of metabolic uric acid, and/or imbalance of renal uric acid secretion and reabsorption, and/or underexcretion of extrarenal uric acid, e.g. gut, will contribute to hyperuricemia, which is a common metabolic disease. Long-lasting hyperuricemia can induce the formation and deposition of monosodium urate (MSU) crystals within the joints and periarticular structures. MSU crystals further induce an acute, intensely painful, and sterile inflammation conditions named as gout by NLRP3 inflammasome-mediated cleavage of pro-IL-1β to bioactive IL-1β. Moreover, hyperuricemia and gout are associated with multiple cardiovascular and renal disorders, e.g., hypertension, myocardial infarction, stroke, obesity, hyperlipidemia, type 2 diabetes mellitus and chronic kidney disease. Although great efforts have been made by scientists of modern medicine, however, modern therapeutic strategies with a single target are difficult to exert long-term positive effects, and even some of these agents have severe adverse effects. The Chinese have used the ancient classic prescriptions of traditional Chinese medicine (TCM) to treat metabolic diseases, including gout, by multiple targets, for more than 2200 years. In this review, we discuss the current understanding of urate homeostasis, the pathogenesis of hyperuricemia and gout, and both modern medicine and TCM strategies for this commonly metabolic disorder. We hope these will provide the good references for treating hyperuricemia and gout.
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Affiliation(s)
- Shuangling Yang
- School of Health Sciences, Guangzhou Xinhua University, Guangzhou, Guangdong 510520, China
| | - Haimei Liu
- Department of Physiology, School of Basic Medical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, Guangdong 510006, China
| | - Xian-Ming Fang
- Department of Cardiology, Ruikang Hospital Affiliated to Guangxi University of Chinese Medicine, Guangxi University of Chinese Medicine, Nanning, Guangxi 530011, China.
| | - Fuman Yan
- Department of Physiology, School of Basic Medical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, Guangdong 510006, China.
| | - Yaxing Zhang
- Department of Physiology, School of Basic Medical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, Guangdong 510006, China; Research Centre of Basic Integrative Medicine, School of Basic Medical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, Guangdong 510006, China; Issue 12(th) of Guangxi Apprenticeship Education of Traditional Chinese Medicine (Shi‑Cheng Class of Guangxi University of Chinese Medicine), College of Continuing Education, Guangxi University of Chinese Medicine, Nanning, Guangxi 530001, China.
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Meng X, Chong PH, Ke L, Zhang P, Li L, Song B, Yu Z, Rao P. Distinguishable short-term effects of tea and water drinking on human saliva redox. NPJ Sci Food 2024; 8:22. [PMID: 38649360 PMCID: PMC11035607 DOI: 10.1038/s41538-024-00266-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2023] [Accepted: 04/11/2024] [Indexed: 04/25/2024] Open
Abstract
Food consumption can alter the biochemistry and redox status of human saliva, and the serving temperature of food may also play a role. The study aimed to explore the immediate (3 min) and delayed (30 min) effects of hot tea (57 ± 0.5 °C) ingestion and cold tea (8 ± 0.5 °C) ingestion on the salivary flow rate and salivary redox-relevant attributes. The saliva was collected from 20 healthy adults before, 3-min after and 30-min after the tea ingestion. The hot or cold deionised water at the same temperatures were used as control. The salivary flow rate and redox markers in hot tea (HBT), cold tea (CBT), hot water (HW) and cold water (CW) group were analysed and compared. The results demonstrated that neither the black tea nor the water altered the salivary flow rate; the black tea immediately increased the salivary thiol (SH) and malondialdehyde (MDA) content while reduced salivary uric acid (UA) significantly. The tea ingestion showed a tendency to elevate the ferric reducing antioxidant power (FRAP) in saliva, although not significantly. The water ingestion decreased the MDA content immediately and increased the UA level significantly. Cold water was found to induce a greater delayed increase in total salivary total protein (TPC) than the hot water. In conclusion, the black tea ingestion affects the redox attributes of human saliva acutely and significantly, while the temperature of drink makes the secondary contribution.
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Affiliation(s)
- Xiangyu Meng
- Food Nutrition Sciences Centre, Zhejiang Gongshang University, Hangzhou, Zhejiang, 310018, China
| | - Pik Han Chong
- Clinical Nutrition Research Centre, Singapore Institute of Food and Biotechnology Innovation, Agency for Science, Technology and Research (A*STAR), Singapore, 117599, Singapore
| | - Lijing Ke
- Food Nutrition Sciences Centre, Zhejiang Gongshang University, Hangzhou, Zhejiang, 310018, China.
- School of Food Science and Nutrition, University of Leeds, Leeds, LS2 9JT, UK.
| | - Pengwei Zhang
- Affiliated Hospital of Hangzhou Normal University, Hangzhou Normal University, Hangzhou, 310015, China
| | - Li Li
- Clinical Medicine College, Hangzhou Normal University, Hangzhou, China
| | - Binbin Song
- Food Nutrition Sciences Centre, Zhejiang Gongshang University, Hangzhou, Zhejiang, 310018, China
| | - Zhaoshuo Yu
- National Nutrition Surveillance Centre, University College Dublin, Dublin, Ireland
- Food for Health Ireland, UCD Institute of Food and Health, University College Dublin, Belfield, Dublin, 4, Ireland
| | - Pingfan Rao
- Food Nutrition Sciences Centre, Zhejiang Gongshang University, Hangzhou, Zhejiang, 310018, China
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Ou G, Wu J, Wang S, Jiang Y, Chen Y, Kong J, Xu H, Deng L, Zhao H, Chen X, Xu L. Dietary Factors and Risk of Gout: A Two-Sample Mendelian Randomization Study. Foods 2024; 13:1269. [PMID: 38672942 PMCID: PMC11049247 DOI: 10.3390/foods13081269] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2024] [Revised: 04/16/2024] [Accepted: 04/19/2024] [Indexed: 04/28/2024] Open
Abstract
BACKGROUND Dietary intervention is the preferred approach for the prevention and clinical management of gout. Nevertheless, the existing evidence regarding the influence of specific foods on gout is insufficient. METHODS We used two-sample Mendelian randomization for genetic prediction to analyze the relationship between the intake of more than a dozen daily food items, such as pork, beef, cheese, and poultry, and dietary macronutrient intake (fat, protein, carbohydrates, and sugar) and the risk of developing gout and elevating the serum uric acid level. Inverse-variance weighted MR analyses were used as the main evaluation method, and the reliability of the results was tested by a sensitivity analysis. RESULTS Cheese intake was associated with lower serum uric acid levels, and tea intake (OR = 0.523, [95%CI: 0.348~0.784], p = 0.002), coffee intake (OR = 0.449, [95%CI: 0.229~0.882], p = 0.020), and dried fruit intake (OR = 0.533, [95%CI: 0.286~0.992], p = 0.047) showed a preventive effect on the risk of gouty attacks. In contrast, non-oily fish intake (β = 1.08, [95%CI: 0.24~1.92], p = 0.012) and sugar intake (β = 0.34, [95%CI: 0.03~0.64], p = 0.030) were risk factors for elevated serum uric acid levels, and alcohol intake frequency (OR = 1.422, [95%CI: 1.079~1.873], p = 0.012) was a risk factors for gout predisposition. CONCLUSIONS These results will significantly contribute to the formulation and refinement of nutritional strategies tailored to patients afflicted with gout.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | | | - Lu Xu
- School of Traditional Chinese Medicine, Jinan University, Guangzhou 510632, China; (G.O.); (J.W.); (S.W.); (Y.J.); (Y.C.); (J.K.); (H.X.); (L.D.); (H.Z.); (X.C.)
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Chen T, Chen J, Zhao C, Li X. Correlation between gout and dry eye disease. Int Ophthalmol 2024; 44:102. [PMID: 38376774 PMCID: PMC10879268 DOI: 10.1007/s10792-024-02965-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2023] [Accepted: 12/04/2023] [Indexed: 02/21/2024]
Abstract
BACKGROUND Gout is a common form of inflammatory arthritis that can cause a number of serious complications. Complications are common in patients with gout and complicate their management and disease outcome. The recent literature has reported that an increasing number of gout patients are presenting with dry eye symptoms. However, until now, the link between gout and dry eye disease has not been clearly defined. (It is unclear whether the two conditions simply co-exist, whether there are common risk factors, or whether dry eye disease is a complication of gout.) METHODS: A thorough literature search was conducted in the PubMed database to summarize the most recent information on the correlation between gout and dry eye disease and to explore the potential relationship between the pathogenesis of the two. (Objective: Therefore, in this paper, we review the recent literature on the correlation between gout and dry eye disease and explore the potential association between the pathogenesis of both.) RESULTS: Studies in the last five years have shown a correlation between gout and dry eye, i.e., gout is associated with an increased risk of dry eye. The NLRP3-IL-1β signaling pathway may be a potential mechanism for the combination of gout and dry eye disease; factors such as high blood uric acid and xanthine oxidase activation in gout patients may aggravate the development of dry eye disease; reducing the use of visual display terminals; reducing or abstaining from alcohol consumption; and moderate coffee intake may effectively prevent gout and dry eye disease. CONCLUSIONS It is an undisputed fact that many gout patients present with dry eye manifestations that seriously affect the quality of life of gout patients, and early detection and treatment of dry eye in gout patients are crucial.
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Affiliation(s)
- Tongtong Chen
- Eye School of Chengdu University of Traditional Chinese Medicine, Key Laboratory of Sichuan Province Ophthalmopathy Prevention and Cure and Visual Function Protection With Traditional Chinese Medicine Laboratory, Chengdu, 610075, Sichuan, China
| | - Jiaqi Chen
- Eye School of Chengdu University of Traditional Chinese Medicine, Key Laboratory of Sichuan Province Ophthalmopathy Prevention and Cure and Visual Function Protection With Traditional Chinese Medicine Laboratory, Chengdu, 610075, Sichuan, China
| | - Cong Zhao
- Eye School of Chengdu University of Traditional Chinese Medicine, Key Laboratory of Sichuan Province Ophthalmopathy Prevention and Cure and Visual Function Protection With Traditional Chinese Medicine Laboratory, Chengdu, 610075, Sichuan, China
| | - Xiang Li
- Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, 610072, Sichuan Province, China.
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Yu Y, Yang X, Hu G, Tong K, Yin Y, Yu R. Effect of tea intake on genetic predisposition to gout and uric acid: a Mendelian randomization study. Front Endocrinol (Lausanne) 2024; 14:1290731. [PMID: 38440060 PMCID: PMC10911082 DOI: 10.3389/fendo.2023.1290731] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/08/2023] [Accepted: 12/26/2023] [Indexed: 03/06/2024] Open
Abstract
Objective The effect of tea on gout and uric acid is still controversial. This study aims to analyze the effect of tea intake on genetic predisposition to gout, idiopathic gout, gout due to impairment of renal function as well as uric acid by Mendelian randomization (MR). Methods Forty independent single nucleotide polymorphisms (SNPs) associated with tea intake were selected from UK Biobank. SNPs for uric acid were obtained from BioBank Japan, SNPs for gout were obtained from UK Biobank, and SNPs for gout due to impairment of renal function and idiopathic gout were derived from FinnGen. The causal relationship of exposure-outcome was tested using inverse variance weighted, MR-Egger and weighted median. MR-Egger intercept was employed to assess horizontal pleiotropy, Cochran's Q test was used to assess heterogeneity, and leave-one-out sensitivity analysis was utilized to analyze the stability of the results. Results The results of MR analysis showed that tea intake was negatively associated with gout due to impairment of renal function (OR 0.997, 95% CI 0.994 to 0.999, P = 0.017), whereas there was no causal association with gout, idiopathic gout, and uric acid (P > 0.05), for which sensitivity analysis suggested that these results were robust. Conclusions There was a genetic predisposition effect of increased tea intake on the reduced risk of gout due to impairment of renal function, whereas there was no such effect on gout, idiopathic gout, and uric acid. Tea intake may become an important option in the dietary treatment of gout due to impairment of renal function.
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Affiliation(s)
- Yunfeng Yu
- Department of Endocrinology, The First Hospital of Hunan University of Chinese Medicine, Changsha, Hunan, China
| | - Xinyu Yang
- College of Chinese Medicine, Hunan University of Chinese Medicine, Changsha, Hunan, China
| | - Gang Hu
- College of Chinese Medicine, Hunan University of Chinese Medicine, Changsha, Hunan, China
| | - Keke Tong
- Department of Gastroenterology, The Hospital of Hunan University of Traditional Chinese Medicine, Changde, Hunan, China
| | - Yuman Yin
- College of Chinese Medicine, Hunan University of Chinese Medicine, Changsha, Hunan, China
| | - Rong Yu
- Department of Endocrinology, The First Hospital of Hunan University of Chinese Medicine, Changsha, Hunan, China
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Wang M, Li R, Qi H, Pang L, Cui L, Liu Z, Lu J, Wang R, Hu S, Liang N, Tao Y, Dalbeth N, Merriman TR, Terkeltaub R, Yin H, Li C. Metabolomics and Machine Learning Identify Metabolic Differences and Potential Biomarkers for Frequent Versus Infrequent Gout Flares. Arthritis Rheumatol 2023; 75:2252-2264. [PMID: 37390372 DOI: 10.1002/art.42635] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2022] [Revised: 06/09/2023] [Accepted: 06/20/2023] [Indexed: 07/02/2023]
Abstract
OBJECTIVE The objective of this study was to discover differential metabolites and pathways underlying infrequent gout flares (InGF) and frequent gout flares (FrGF) using metabolomics and to establish a predictive model by machine learning (ML) algorithms. METHODS Serum samples from a discovery cohort of 163 patients with InGF and 239 patients with FrGF were analyzed by mass spectrometry-based untargeted metabolomics to profile differential metabolites and explore dysregulated metabolic pathways using pathway enrichment analysis and network propagation-based algorithms. ML algorithms were performed to establish a predictive model based on selected metabolites, which was further optimized by a quantitative targeted metabolomics method and validated in an independent validation cohort with 97 participants with InGF and 139 participants with FrGF. RESULTS A total of 439 differential metabolites between InGF and FrGF groups were identified. Top dysregulated pathways included carbohydrates, amino acids, bile acids, and nucleotide metabolism. Subnetworks with maximum disturbances in the global metabolic networks featured cross-talk between purine metabolism and caffeine metabolism, as well as interactions among pathways involving primary bile acid biosynthesis, taurine and hypotaurine metabolism, alanine, aspartate, and glutamate metabolism, suggesting epigenetic modifications and gut microbiome in metabolic alterations underlying InGF and FrGF. Potential metabolite biomarkers were identified using ML-based multivariable selection and further validated by targeted metabolomics. Area under receiver operating characteristics curve for differentiating InGF and FrGF achieved 0.88 and 0.67 for the discovery and validation cohorts, respectively. CONCLUSION Systematic metabolic alterations underlie InGF and FrGF, and distinct profiles are associated with differences in gout flare frequencies. Predictive modeling based on selected metabolites from metabolomics can differentiate InGF and FrGF.
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Affiliation(s)
- Ming Wang
- Department of Endocrinology and Metabolism, the Affiliated Hospital of Qingdao University, Qingdao, China and Shandong Provincial Clinical Research Center for Immune Diseases and Gout, Qingdao, China
| | - Rui Li
- School of Life Science and Technology, ShanghaiTech University, Shanghai, China and Chinese Academy of Sciences (CAS) Key Laboratory of Nutrition, Metabolism and Food Safety, Shanghai Institute of Nutrition and Health, CAS, Shanghai, China and Innovation Center for Intervention of Chronic Disease and Promotion of Health, Shanghai, China
| | - Han Qi
- Department of Endocrinology and Metabolism, the Affiliated Hospital of Qingdao University, Qingdao, China and Shandong Provincial Clinical Research Center for Immune Diseases and Gout, Qingdao, China
| | - Lei Pang
- Department of Endocrinology and Metabolism, the Affiliated Hospital of Qingdao University, Qingdao, China and Shandong Provincial Clinical Research Center for Immune Diseases and Gout, Qingdao, China
| | - Lingling Cui
- Department of Endocrinology and Metabolism, the Affiliated Hospital of Qingdao University, Qingdao, China and Shandong Provincial Key Laboratory of Metabolic Diseases, the Affiliated Hospital of Qingdao University, Qingdao, China
| | - Zhen Liu
- Department of Endocrinology and Metabolism, the Affiliated Hospital of Qingdao University, Qingdao, China and Shandong Provincial Key Laboratory of Metabolic Diseases, the Affiliated Hospital of Qingdao University, Qingdao, China
| | - Jie Lu
- Department of Endocrinology and Metabolism, the Affiliated Hospital of Qingdao University, Qingdao, China and Shandong Provincial Key Laboratory of Metabolic Diseases, the Affiliated Hospital of Qingdao University, Qingdao, China
| | - Rong Wang
- Department of Endocrinology and Metabolism, the Affiliated Hospital of Qingdao University, Qingdao, China and Shandong Provincial Clinical Research Center for Immune Diseases and Gout, Qingdao, China
| | - Shuhui Hu
- Department of Endocrinology and Metabolism, the Affiliated Hospital of Qingdao University, Qingdao, China and Shandong Provincial Clinical Research Center for Immune Diseases and Gout, Qingdao, China
| | - Ningning Liang
- CAS Key Laboratory of Nutrition, Metabolism and Food Safety, Shanghai Institute of Nutrition and Health, CAS, Shanghai, China and Innovation Center for Intervention of Chronic Disease and Promotion of Health, Shanghai, China and University of Chinese Academy of Sciences, CAS, Beijing, China
| | - Yongzhen Tao
- CAS Key Laboratory of Nutrition, Metabolism and Food Safety, Shanghai Institute of Nutrition and Health, CAS, Shanghai, China and Innovation Center for Intervention of Chronic Disease and Promotion of Health, Shanghai, China
| | - Nicola Dalbeth
- Department of Medicine, Faculty of Medical and Health Sciences, University of Auckland, Auckland, New Zealand
| | - Tony R Merriman
- Department of Biochemistry, University of Otago, Dunedin, New Zealand and Division of Clinical Immunology and Rheumatology, University of Alabama at Birmingham
| | - Robert Terkeltaub
- VA San Diego Healthcare System, San Diego, California and University of California San Diego, La Jolla, California
| | - Huiyong Yin
- School of Life Science and Technology, ShanghaiTech University, Shanghai, China and CAS Key Laboratory of Nutrition, Metabolism and Food Safety, Shanghai Institute of Nutrition and Health, CAS, Shanghai, China and Innovation Center for Intervention of Chronic Disease and Promotion of Health, Shanghai, China and Department of Biomedical Sciences, City University of Hong Kong, Hong Kong SAR, China
| | - Changgui Li
- Department of Endocrinology and Metabolism, the Affiliated Hospital of Qingdao University, Qingdao, China and Shandong Provincial Key Laboratory of Metabolic Diseases, the Affiliated Hospital of Qingdao University, Qingdao, China
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Song J, Li H, Fang X. Inverted U-shaped relationship between coffee consumption and serum uric acid in American chronic kidney disease population. Front Nutr 2023; 10:1286430. [PMID: 38099187 PMCID: PMC10719848 DOI: 10.3389/fnut.2023.1286430] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2023] [Accepted: 11/17/2023] [Indexed: 12/17/2023] Open
Abstract
Objective The objective of this study was to examine the contentious relationship between coffee consumption and serum uric acid (SUA) levels, specifically within American population with chronic kidney disease (CKD). Methods A total of 23,381 participants from the 2001-2018 National Health and Nutrition Examination Survey (NHANES) were selected for inclusion in this investigation. Linear regression models and generalized additive models with smooth curve fitting were employed to analyze the association between log coffee consumption and serum uric acid levels. Furthermore, the robustness of the findings was assessed across diverse populations. Results The results of the linear regression analysis indicate a positive and marginally statistically significant (p = 0.0307) association between log coffee consumption and SUA, even after controlling for other variables. Furthermore, the generalized additive model revealed a nonlinear relationship characterized by an inverted U-shape between log coffee consumption and SUA. The inflection point, identified as 11.43 g/day, marks the point at which this relationship changes direction. Moreover, this inverted U-shaped relationship was consistently observed across various subgroups, including gender, age (<60 and ≥ 60 years), hypertensive and non-hypertensive individuals, those with and without cardiovascular disease, non-diabetic individuals, and those who consumed coffee with or without caffeine or sugar. Conclusion An inverse U-shaped correlation has been observed between log coffee consumption and SUA levels. This finding implies that once coffee consumption surpasses a specific threshold, it promotes a decline in SUA levels.
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Affiliation(s)
- Jianling Song
- Department of Nephrology, The Second Affiliated Hospital of Nanchang University, Nanchang, China
| | - Hong Li
- Department of Medical Records, The Second Affiliated Hospital of Nanchang University, Nanchang, China
| | - Xiangdong Fang
- Department of Nephrology, The Second Affiliated Hospital of Nanchang University, Nanchang, China
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Wang Q, Liu YN, Zhang H, Zhang ZQ, Huang XY, Xiao WZ. Causal Association Between Tea Consumption and Gout: A Mendelian Randomization Study. Curr Med Sci 2023; 43:947-954. [PMID: 37755636 DOI: 10.1007/s11596-023-2778-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2023] [Accepted: 07/25/2023] [Indexed: 09/28/2023]
Abstract
OBJECTIVE Evidence from prospective studies on the consumption of tea and risk of gout is conflicting and limited. We aimed to investigate the potential causal effects of tea intake on gout using Mendelian randomization (MR). METHODS Genome-wide association studies in UK Biobank included 349 376 individuals and successfully discovered single-nucleotide polymorphisms linked to consumption of one cup of tea per day. Summary statistics from the Chronic Kidney Disease Genetics consortium included 13 179 cases and 750 634 controls for gout. Two-sample MR analyses were used to evaluate the relationship between tea consumption and gout risk. The inverse-variance weighted (IVW) method was used for primary analysis, and sensitivity analyses were also conducted to validate the potential causal effect. RESULTS In this study, the genetically predicted increase in tea consumption per cup was associated with a lower risk of gout in the IVW method (OR: 0.90; 95% CI: 0.82-0.98). Similar results were found in weighted median methods (OR: 0.88; 95% CI: 0.78-1.00), while no significant associations were found in MR-Egger (OR: 0.89; 95% CI: 0.71-1.11), weighted mode (OR: 0.80; 95% CI: 0.65-0.99), and simple mode (OR: 1.01; 95% CI: 0.75-1.36). In addition, no evidence of pleiotropy was detected by MR-Egger regression (P=0.95) or MR-PRESSO analysis (P=0.07). CONCLUSION This study provides evidence for the daily consumption of an extra cup of tea to reduce the risk of gout.
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Affiliation(s)
- Qi Wang
- Shanghai Pudong Hospital, Fudan University Pudong Medical Center, Shanghai, 201399, China
| | - Yi-Ning Liu
- Human Phenome Institute, Zhangjiang Fudan International Innovation Centre, Fudan University, Shanghai, 200433, China
| | - Hui Zhang
- Human Phenome Institute, Zhangjiang Fudan International Innovation Centre, Fudan University, Shanghai, 200433, China
| | - Ze-Qun Zhang
- Shanghai Pudong Hospital, Fudan University Pudong Medical Center, Shanghai, 201399, China
| | - Xiu-Ying Huang
- Department of Emergency, Shanghai Pudong Hospital, Fudan University Pudong Medical Center, Shanghai, 201399, China.
| | - Wen-Ze Xiao
- Department of Rheumatology, Shanghai Pudong Hospital, Fudan University Pudong Medical Center, Shanghai, 201399, China.
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Guo H, Wang S, Peng H, Wang M, Li L, Huang J, Wu T. Dose-response relationships of tea and coffee consumption with gout: a prospective cohort study in the UK Biobank. Rheumatology (Oxford) 2023; 62:3043-3050. [PMID: 36715061 DOI: 10.1093/rheumatology/kead019] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2022] [Accepted: 01/05/2023] [Indexed: 01/31/2023] Open
Abstract
OBJECTIVES The association of tea or coffee consumption with gout is inconsistently reported. Few prospective studies have explored their dose-response relationship. Therefore, we aimed to quantitatively investigate the association between tea, coffee and the risk of developing gout. METHODS The study included 447 658 participants in the UK Biobank who were initially free of gout. Tea and coffee consumption were assessed at baseline. We used Cox proportional hazards models to estimate the associations between tea/coffee consumption and incident gout, with restricted cubic spline added to the Cox models to evaluate the dose-response relationships. RESULTS During a median follow-up period of 13.42 years, we recorded 3,053 gout cases. The associations between tea, coffee and gout were nonlinear, with a significant reduction in the risk by ∼ six cups/day of tea and three cups/day of coffee. Compared with those who were not tea and coffee drinkers, those who consumed >6 cups/day of tea or coffee were associated with 23% (HR 0.77, 95% CI, 0.66, 0.91) and 40% (HR 0.60, 95% CI, 0.47, 0.77) lower risks of gout, respectively, and both caffeinated and decaffeinated coffee consumption were associated with a decreased risk. Moreover, hyperuricaemia may modify the association between coffee and gout. Compared with non-coffee consumers with hyperuricaemia, those with ≥4 cups/day coffee intake without hyperuricaemia had the lowest risk (HR 0.34, 95% CI, 0.28, 0.41). CONCLUSION Consumption of tea or coffee had a strong nonlinear association in gout risk reduction. Hyperuricaemia status had a potential effect modification on the association of coffee intake with gout.
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Affiliation(s)
- Huangda Guo
- Department of Epidemiology and Biostatistics, School of Public Health, Peking University, Beijing, China
| | - Siyue Wang
- Department of Epidemiology and Biostatistics, School of Public Health, Peking University, Beijing, China
| | - Hexiang Peng
- Department of Epidemiology and Biostatistics, School of Public Health, Peking University, Beijing, China
| | - Mengying Wang
- Department of Epidemiology and Biostatistics, School of Public Health, Peking University, Beijing, China
| | - Liming Li
- Department of Epidemiology and Biostatistics, School of Public Health, Peking University, Beijing, China
- Center for Public Health and Epidemic Preparedness & Response, Peking University, Beijing, China
| | - Jie Huang
- School of Public Health and Emergency Management, Southern University of Science and Technology, Shenzhen, China
| | - Tao Wu
- Department of Epidemiology and Biostatistics, School of Public Health, Peking University, Beijing, China
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Liang X, Cai J, Fan Y. Causal association between tea intake and risk for gout: a Mendelian randomization study. Front Genet 2023; 14:1220931. [PMID: 37519890 PMCID: PMC10374259 DOI: 10.3389/fgene.2023.1220931] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2023] [Accepted: 07/06/2023] [Indexed: 08/01/2023] Open
Abstract
Background: Gout, an increasingly prevalent form of inflammatory arthritis, is caused by the accumulation of uric acid crystals in joints, resulting in severe pain, swelling and stiffness that adversely affect physical, mental and emotional wellbeing. The management of gout requires a combination of medication and lifestyle modifications. Recent studies suggest that tea intake may reduce the risk of developing gout; however, further research is needed to establish a causal relationship. Methods: In this study, we employed a bidirectional two-sample Mendelian randomization (MR) approach, utilizing genome-wide association study (GWAS) summary statistics, to investigate the causal association between increased tea intake and gout. We meticulously selected instrumental variables (IVs) based on rigorous criteria and employed five different MR methods. Heterogeneity was assessed using Cochran's Q statistic, and pleiotropy was evaluated using the MR Egger intercept and MR-PRESSO tests. Weak IVs were identified using F values. The Phenoscanner database was consulted to exclude single nucleotide polymorphisms associated with confounding factors or outcomes. Results: The study included one dataset related to tea intake (ukb-b-6066) and three datasets related to gout (ukb-b-12765, finn-b-M13_GOUT, and finn-b-GOUT_STRICT). Our forward MR analysis suggest a causal relationship between increased tea intake and reduced risk of gout in all three gout-related datasets [OR (95% CI): 0.9966 (0.9938-0.9993), p = 0.0167; 0.4842 (0.2683-0.8737), p-value = 0.0160; and 0.4554 (0.2155-0.9623), p = 0.0393, respectively]. The reveres MR showed increased risk of gout (ukb-b-12765) was significantly associated with low tea intake according to the IVW analysis [OR (95% CI): 0.0062 (0.0002-0.154), p = 0.0020]. However, this association was not observed in the Finn-b-M13_GOUT and Finn-b-GOUT_STRICT [OR (95% CI): 0.9992 (0.9909-1.0075), p = 0.8453 and OR (95% CI): 0.9996 (0.9932-1.0059), p = 0.8896, respectively]. No significant heterogeneity or potential pleiotropy was detected, and the possibility of weak IVs was also excluded. Conclusion: Our MR analysis suggest a causal relationship between genetically predicted tea intake and a decreased risk of gout. These findings underscore the potential advantages of increasing tea intake for preventing gout. However, further research is needed to validate these results and elucidate the underlying mechanisms.
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Affiliation(s)
- Xiao Liang
- Department of Anesthesiology, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Jingjing Cai
- Department of Anesthesiology, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Yuchao Fan
- Department of Anesthesiology, Sichuan Clinical Research Center for Cancer, Sichuan Cancer Hospital and Institute, Sichuan Cancer Center, Affiliated Cancer Hospital of University of Electronic Science and Technology of China, Chengdu, China
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11
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Meng Y, Qi Z, Li Z, Niu Y, Wu M, Yuan Z, He G, Yu M, Jiang X. Tailored hydrogel composite membrane for the regulated crystallization of monosodium urate monohydrate within coffee's metabolites system. J Colloid Interface Sci 2023; 648:365-375. [PMID: 37301161 DOI: 10.1016/j.jcis.2023.05.183] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2023] [Revised: 04/29/2023] [Accepted: 05/29/2023] [Indexed: 06/12/2023]
Abstract
Herein, a facile bionic research platform with fabricated hydrogel composite membrane (HCM) is constructed to uncover the effects of the main components of coffee's metabolites on MSUM crystallization. Tailored and biosafety polyethylene glycol diacrylate/N-isopropyl acrylamide (PEGDA/NIPAM) HCM allows the proper mass transfer of coffee's metabolites and can well simulate the process of coffee's metabolites acting in the joint system. With the validations of this platform, it is shown that chlorogenic acid (CGA) can hinder the MSUM crystals formation from 45 h (control group) to 122 h (2 mM CGA), which is the most likely reason that reduces the risk of gout after long-term coffee consumption. Molecular dynamics simulation further indicates that the high interaction energy (Eint) between CGA and MSUM crystal surface and the high electronegativity of CGA both contribute to the restraint of MSUM crystal formation. In conclusion, the fabricated HCM, as the core functional materials of the research platform, presents the understanding of the interaction between coffee consumption and gout control.
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Affiliation(s)
- Yingshuang Meng
- State Key Laboratory of Fine Chemicals, Frontiers Science Center for Smart Materials, School of Chemical Engineering, Dalian University of Technology, Dalian, Liaoning 116024, China
| | - Zhibo Qi
- State Key Laboratory of Fine Chemicals, Frontiers Science Center for Smart Materials, School of Chemical Engineering, Dalian University of Technology, Dalian, Liaoning 116024, China
| | - Zhonghua Li
- State Key Laboratory of Fine Chemicals, Frontiers Science Center for Smart Materials, School of Chemical Engineering, Dalian University of Technology, Dalian, Liaoning 116024, China
| | - Yuchao Niu
- State Key Laboratory of Fine Chemicals, Frontiers Science Center for Smart Materials, School of Chemical Engineering, Dalian University of Technology, Dalian, Liaoning 116024, China
| | - Mengyuan Wu
- State Key Laboratory of Fine Chemicals, Frontiers Science Center for Smart Materials, School of Chemical Engineering, Dalian University of Technology, Dalian, Liaoning 116024, China
| | - Zhijie Yuan
- State Key Laboratory of Fine Chemicals, Frontiers Science Center for Smart Materials, School of Chemical Engineering, Dalian University of Technology, Dalian, Liaoning 116024, China
| | - Gaohong He
- State Key Laboratory of Fine Chemicals, Frontiers Science Center for Smart Materials, School of Chemical Engineering, Dalian University of Technology, Dalian, Liaoning 116024, China
| | - Mingyang Yu
- Department of Orthopedics, Central Hospital of Dalian University of Technology, Dalian University of Technology, Dalian, Liaoning 1160831, China.
| | - Xiaobin Jiang
- State Key Laboratory of Fine Chemicals, Frontiers Science Center for Smart Materials, School of Chemical Engineering, Dalian University of Technology, Dalian, Liaoning 116024, China.
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12
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Liu H, Xie R, Dai Q, Fang J, Xu Y, Li B. Exploring the mechanism underlying hyperuricemia using comprehensive research on multi-omics. Sci Rep 2023; 13:7161. [PMID: 37138053 PMCID: PMC10156710 DOI: 10.1038/s41598-023-34426-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2023] [Accepted: 04/29/2023] [Indexed: 05/05/2023] Open
Abstract
Hyperuricemia involves multiple complex metabolisms, but no study has conducted a comprehensive analysis using human blood and urine metabolomics for hyperuricemia. Serum and urine samples from 10 patients with hyperuricemia and 5 controls were collected and analyzed by the UHPLC-MS/MS. Differential metabolites were identified and used in the enrichment analysis where we collected hyperuricemia target genes. Hyperuricemia kidney differential expressed genes (DEGs) were identified using RNA-sequencing data from the hyperuricemia mouse model induced by the potassium oxonate. A Mendelian randomization analysis of the association between caffeine-containing drinks and gout risk was conducted. An intersection analysis between hyperuricemia target genes and hyperuricemia kidney DEGs was conducted and the resulting genes were used for network analysis using the STRING. 227 differential metabolites were identified as differential metabolites and were enriched in 7 KEGG pathways, among which "Caffeine metabolism" was the top. The Mendelian randomization analysis revealed a significant association between tea or coffee intake and gout risk. There were 2173 genes that were identified as hyperuricemia kidney DEGs from mouse data. The intersection analysis identified 51 genes for the hyperuricemia regulation network. A hyperuricemia regulation protein network in the kidney was constructed. This study suggested a potential association between caffeine and hyperuricemia and constructed a hyperuricemia regulation network for future reference.
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Affiliation(s)
- Hengrui Liu
- Xinkaiyuan Pharmaceuticals, Beijing, China
- Tianjin Yinuo Biomedical Co., Ltd, Tianjin, China
| | - Ruolin Xie
- Shenzhen Baoan Authentic TCM Therapy Hospital, Shenzhen, China
| | | | - Ji Fang
- Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou, China
| | - Yunbo Xu
- Shenzhen Baoan Authentic TCM Therapy Hospital, Shenzhen, China
| | - Bo Li
- Shenzhen Baoan Authentic TCM Therapy Hospital, Shenzhen, China.
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13
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Yang B, Xin M, Liang S, Xu X, Cai T, Dong L, Wang C, Wang M, Cui Y, Song X, Sun J, Sun W. New insight into the management of renal excretion and hyperuricemia: Potential therapeutic strategies with natural bioactive compounds. Front Pharmacol 2022; 13:1026246. [PMID: 36483739 PMCID: PMC9723165 DOI: 10.3389/fphar.2022.1026246] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2022] [Accepted: 10/26/2022] [Indexed: 10/05/2023] Open
Abstract
Hyperuricemia is the result of increased production and/or underexcretion of uric acid. Hyperuricemia has been epidemiologically associated with multiple comorbidities, including metabolic syndrome, gout with long-term systemic inflammation, chronic kidney disease, urolithiasis, cardiovascular disease, hypertension, rheumatoid arthritis, dyslipidemia, diabetes/insulin resistance and increased oxidative stress. Dysregulation of xanthine oxidoreductase (XOD), the enzyme that catalyzes uric acid biosynthesis primarily in the liver, and urate transporters that reabsorb urate in the renal proximal tubules (URAT1, GLUT9, OAT4 and OAT10) and secrete urate (ABCG2, OAT1, OAT3, NPT1, and NPT4) in the renal tubules and intestine, is a major cause of hyperuricemia, along with variations in the genes encoding these proteins. The first-line therapeutic drugs used to lower serum uric acid levels include XOD inhibitors that limit uric acid biosynthesis and uricosurics that decrease urate reabsorption in the renal proximal tubules and increase urate excretion into the urine and intestine via urate transporters. However, long-term use of high doses of these drugs induces acute kidney disease, chronic kidney disease and liver toxicity. Therefore, there is an urgent need for new nephroprotective drugs with improved safety profiles and tolerance. The current systematic review summarizes the characteristics of major urate transporters, the mechanisms underlying the pathogenesis of hyperuricemia, and the regulation of uric acid biosynthesis and transport. Most importantly, this review highlights the potential mechanisms of action of some naturally occurring bioactive compounds with antihyperuricemic and nephroprotective potential isolated from various medicinal plants.
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Affiliation(s)
- Bendong Yang
- School of Life Sciences and Medicine, Shandong University of Technology, Zibo, China
| | - Meiling Xin
- School of Life Sciences and Medicine, Shandong University of Technology, Zibo, China
| | - Shufei Liang
- School of Life Sciences and Medicine, Shandong University of Technology, Zibo, China
| | - Xiaoxue Xu
- School of Life Sciences and Medicine, Shandong University of Technology, Zibo, China
| | - Tianqi Cai
- School of Life Sciences and Medicine, Shandong University of Technology, Zibo, China
| | - Ling Dong
- School of Life Sciences and Medicine, Shandong University of Technology, Zibo, China
| | - Chao Wang
- School of Life Sciences and Medicine, Shandong University of Technology, Zibo, China
| | - Meng Wang
- School of Life Sciences and Medicine, Shandong University of Technology, Zibo, China
| | - Yuting Cui
- School of Life Sciences and Medicine, Shandong University of Technology, Zibo, China
| | - Xinhua Song
- School of Life Sciences and Medicine, Shandong University of Technology, Zibo, China
- Shandong Qingyujiangxing Biotechnology Co., Ltd., Zibo, China
| | - Jinyue Sun
- Key Laboratory of Novel Food Resources Processing, Ministry of Agriculture and Rural Affairs/Key Laboratory of Agro-Products Processing Technology of Shandong Province/Institute of Agro-Food Science and Technology, Shandong Academy of Agricultural Sciences, Jinan, China
| | - Wenlong Sun
- School of Life Sciences and Medicine, Shandong University of Technology, Zibo, China
- Shandong Qingyujiangxing Biotechnology Co., Ltd., Zibo, China
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14
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Abstract
Gout is the most prevalent type of inflammatory arthritis worldwide and environmental factors contribute to hyperuricemia and risk for gout flare. Causes of hyperuricemia include increased purine consumption from meat, alcohol, and high fructose corn syrup as well as medications such as cyclosporine, low-dose aspirin, or diuretics. Triggers for gout flares include increased purine consumption and medication use such as urate lowering therapy and diuretics. Environmental exposures including lead exposure, particulate matter exposure, temperature fluctuations, and physiologic stress have been found to trigger flares. In the right clinical scenario, these factors should be considered when treating gout patients.
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Affiliation(s)
- Lindsay N Helget
- Veterans Affairs Nebraska-Western Iowa Health Care System, 4101 Woolworth Avenue, Omaha, NE 68105, USA; Department of Internal Medicine, University of Nebraska Medical Center, 986270 Nebraska Medical Center, Omaha, NE 68198-6270, USA.
| | - Ted R Mikuls
- Veterans Affairs Nebraska-Western Iowa Health Care System, 4101 Woolworth Avenue, Omaha, NE 68105, USA; Department of Internal Medicine, University of Nebraska Medical Center, 986270 Nebraska Medical Center, Omaha, NE 68198-6270, USA
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15
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Rubín-García M, Vitelli-Storelli F, Álvarez-Álvarez L, Martínez-González MÁ, Salas-Salvadó J, Corella D, Hernáez Á, Martínez JA, Alonso-Gómez ÁM, Wärnberg J, Vioque J, Romaguera D, López-Miranda J, Estruch R, Tinahones FJ, Serra-Majem LI, Cano-Ibañez N, Tur JA, Marcos-Delgado A, Tresserra-Rimbau A, Pintó X, Delgado-Rodríguez M, Matía-Martín P, Vidal J, Vázquez C, Daimiel L, Ros E, Vázquez-Ruiz Z, Babio N, Barragán R, Castañer-Niño O, Razquin C, Tojal-Sierra L, Gómez-Gracia E, González-Palacios S, Morey M, García-Rios A, Castro-Barquero S, Bernal-López MR, Santos-Lozano JM, Ruiz-Canela M, Castro-Salomó A, Pascual-Castelló EC, Moldon V, Bullón-Vela V, Sorto-Sanchez C, Cenoz-Osinaga JC, Gutiérrez L, Mengual M, Lamuela-Raventós RM, Martín-Sánchez V. Association Among Polyphenol Intake, Uric Acid, and Hyperuricemia: A Cross-Sectional Analysis in a Population at High Cardiovascular Risk. J Am Heart Assoc 2022; 11:e026053. [PMID: 36205262 DOI: 10.1161/jaha.122.026053] [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] [Indexed: 11/16/2022]
Abstract
Background Dietary polyphenol intake has been associated with a decreased risk of hyperuricemia, but most of this knowledge comes from preclinical studies. The aim of the present study was to assess the association of the intake of different classes of polyphenols with serum uric acid and hyperuricemia. Methods and Results This cross-sectional analysis involved baseline data of 6332 participants. Food polyphenol content was estimated by a validated semiquantitative food frequency questionnaire and from the Phenol-Explorer database. Multivariable-adjusted linear regression models with serum uric acid (milligrams per deciliter) as the outcome and polyphenol intake (quintiles) as the main independent variable were fitted. Cox regression models with constant follow-up time (t=1) were performed to estimate the prevalence ratios (PRs) of hyperuricemia (≥7 mg/dL in men and ≥6 mg/dL in women). An inverse association between the intake of the phenolic acid class (β coefficient, -0.17 mg/dL for quintile 5 versus quintile 1 [95% CI, -0.27 to -0.06]) and hydroxycinnamic acids (β coefficient, -0.19 [95% CI, -0.3 to -0.09]), alkylmethoxyphenols (β coefficient, -0.2 [95% CI, -0.31 to -0.1]), and methoxyphenols (β coefficient, -0.24 [95% CI, -0.34 to -0.13]) subclasses with serum uric acid levels and hyperuricemia (PR, 0.82 [95% CI, 0.71-0.95]; PR, 0.82 [95% CI, 0.71-0.95]; PR, 0.80 [95% CI, 0.70-0.92]; and PR, 0.79 [95% CI, 0.69-0.91]; respectively) was found. The intake of hydroxybenzoic acids was directly and significantly associated with mean serum uric acid levels (β coefficient, 0.14 for quintile 5 versus quintile 1 [95% CI, 0.02-0.26]) but not with hyperuricemia. Conclusions In individuals with metabolic syndrome, a higher intake of some polyphenol subclasses (hydroxycinnamic acids, alkylmethoxyphenol, and methoxyphenol) was inversely associated with serum uric acid levels and hyperuricemia. Nevertheless, our findings warrant further research.
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Affiliation(s)
- María Rubín-García
- Group of Investigation in Interactions Gene-Environment and Health (GIIGAS) Institute of Biomedicine (IBIOMED), University of León Spain
| | - Facundo Vitelli-Storelli
- Group of Investigation in Interactions Gene-Environment and Health (GIIGAS) Institute of Biomedicine (IBIOMED), University of León Spain
| | - Laura Álvarez-Álvarez
- Group of Investigation in Interactions Gene-Environment and Health (GIIGAS) Institute of Biomedicine (IBIOMED), University of León Spain
| | - Miguel Ángel Martínez-González
- Department of Preventive Medicine and Public Health Navarra Institute for Health Research (IdiSNA), University of Navarra Pamplona Spain.,Centro de Investigación Biomédica en Red Fisiopatología de la Obesidad y la Nutrición (CIBEROBN) Institute of Health Carlos III Madrid Spain.,Department of Nutrition Harvard T.H. Chan School of Public Health Boston MA
| | - Jordi Salas-Salvadó
- Centro de Investigación Biomédica en Red Fisiopatología de la Obesidad y la Nutrición (CIBEROBN) Institute of Health Carlos III Madrid Spain.,Departament de Bioquímica i Biotecnologia Universitat Rovira i Virgili, Unitat de Nutrició Humana Reus Spain.,University Hospital of Sant Joan de Reus, Servei de Medicina Interna, Unitat de Nutrició Reus Spain.,Institut d'Investigació Sanitària Pere Virgili (IISPV) Reus Spain
| | - Dolores Corella
- Centro de Investigación Biomédica en Red Fisiopatología de la Obesidad y la Nutrición (CIBEROBN) Institute of Health Carlos III Madrid Spain.,Department of Preventive Medicine University of Valencia Spain
| | - Álvaro Hernáez
- Centro de Investigación Biomédica en Red Fisiopatología de la Obesidad y la Nutrición (CIBEROBN) Institute of Health Carlos III Madrid Spain.,Cardiovascular Risk and Nutrition Research Group Institut Hospital del Mar d'Investigacions Mèdiques (IMIM) Barcelona Spain.,Centre for Fertility and Health Norwegian Institute of Public Health Oslo Norway
| | - J Alfredo Martínez
- Centro de Investigación Biomédica en Red Fisiopatología de la Obesidad y la Nutrición (CIBEROBN) Institute of Health Carlos III Madrid Spain.,Department of Nutrition, Food Sciences, and Physiology University of Navarra Pamplona Spain.,Precision Nutrition Programme IMDEA Food, CEI UAM+CSIC Madrid Spain
| | - Ángel M Alonso-Gómez
- Centro de Investigación Biomédica en Red Fisiopatología de la Obesidad y la Nutrición (CIBEROBN) Institute of Health Carlos III Madrid Spain.,Bioaraba Health Research Institute, Osakidetza Basque Health Service, Araba University Hospital, University of the Basque Country UPV/EHU Vitoria-Gasteiz Spain
| | - Julia Wärnberg
- Centro de Investigación Biomédica en Red Fisiopatología de la Obesidad y la Nutrición (CIBEROBN) Institute of Health Carlos III Madrid Spain.,Department of Nursing, School of Health Sciences University of Malaga Spain.,Instituto de Investigación Biomédica de Málaga-IBIMA Málaga Spain
| | - Jesús Vioque
- CIBER de Epidemiología y Salud Pública (CIBERESP) Instituto de Salud Carlos III Madrid Spain.,Instituto de Investigación Sanitaria y Biomédica de Alicante, Universidad Miguel Hernandez (ISABIAL-UMH) Alicante Spain
| | - Dora Romaguera
- Centro de Investigación Biomédica en Red Fisiopatología de la Obesidad y la Nutrición (CIBEROBN) Institute of Health Carlos III Madrid Spain.,Health Research Institute of the Balearic Islands (IdISBa) Palma de Mallorca Spain
| | - José López-Miranda
- Centro de Investigación Biomédica en Red Fisiopatología de la Obesidad y la Nutrición (CIBEROBN) Institute of Health Carlos III Madrid Spain.,Department of Internal Medicine, Maimonides Biomedical Research Institute of Cordoba (IMIBIC) Reina Sofia University Hospital, University of Cordoba Spain
| | - Ramon Estruch
- Centro de Investigación Biomédica en Red Fisiopatología de la Obesidad y la Nutrición (CIBEROBN) Institute of Health Carlos III Madrid Spain.,Department of Medicine, Faculty of Medicine and Life Sciences University of Barcelona Spain.,Institut d'Investigacions Biomèdiques August Pi I Sunyer (IDIBAPS) Barcelona Spain
| | - Francisco J Tinahones
- Centro de Investigación Biomédica en Red Fisiopatología de la Obesidad y la Nutrición (CIBEROBN) Institute of Health Carlos III Madrid Spain.,Instituto de Investigación Biomédica de Málaga-IBIMA Málaga Spain.,Department of Endocrinology Virgen de la Victoria Hospital Málaga Spain
| | - Luís I Serra-Majem
- Centro de Investigación Biomédica en Red Fisiopatología de la Obesidad y la Nutrición (CIBEROBN) Institute of Health Carlos III Madrid Spain.,Research Institute of Biomedical and Health Sciences (IUIBS) University of Las Palmas de Gran Canaria & Centro Hospitalario Universitario Insular Materno Infantil (CHUIMI), Canarian Health Service Las Palmas de Gran Canaria Spain
| | - Naomi Cano-Ibañez
- Instituto de Investigación Biosanitaria ibs.GRANADA Complejo Hospitales Universitarios de Granada/Department of Preventive Medicine and Public Health, University of Granada Spain
| | - Josep A Tur
- Centro de Investigación Biomédica en Red Fisiopatología de la Obesidad y la Nutrición (CIBEROBN) Institute of Health Carlos III Madrid Spain.,Health Research Institute of the Balearic Islands (IdISBa) Palma de Mallorca Spain.,Research Group on Community Nutrition & Oxidative Stress University of Balearic Islands Palma de Mallorca Spain
| | - Alba Marcos-Delgado
- Group of Investigation in Interactions Gene-Environment and Health (GIIGAS) Institute of Biomedicine (IBIOMED), University of León Spain
| | - Anna Tresserra-Rimbau
- Centro de Investigación Biomédica en Red Fisiopatología de la Obesidad y la Nutrición (CIBEROBN) Institute of Health Carlos III Madrid Spain.,Department of Nutrition, Food Science, and Gastronomy XIA, School of Pharmacy and Food Sciences, INSA, University of Barcelona Spain
| | - Xavier Pintó
- Centro de Investigación Biomédica en Red Fisiopatología de la Obesidad y la Nutrición (CIBEROBN) Institute of Health Carlos III Madrid Spain.,Lipids and Vascular Risk Unit, Internal Medicine Hospital Universitario de Bellvitge, Hospitalet de Llobregat Barcelona Spain
| | - Miguel Delgado-Rodríguez
- Department of Nutrition, Food Sciences, and Physiology University of Navarra Pamplona Spain.,Division of Preventive Medicine, Faculty of Medicine University of Jaén Spain
| | - Pilar Matía-Martín
- Department of Endocrinology and Nutrition Instituto de Investigación Sanitaria Hospital Clínico San Carlos (IdISSC) Madrid Spain
| | - Josep Vidal
- CIBER Diabetes y Enfermedades Metabólicas (CIBERDEM) Instituto de Salud Carlos III (ISCIII) Madrid Spain.,Department of Endocrinology Institut d'Investigacions Biomèdiques August Pi Sunyer (IDIBAPS), Hospital Clinic, University of Barcelona Barcelona Spain
| | - Clotilde Vázquez
- Centro de Investigación Biomédica en Red Fisiopatología de la Obesidad y la Nutrición (CIBEROBN) Institute of Health Carlos III Madrid Spain.,Department of Endocrinology and Nutrition Hospital Fundación Jimenez Díaz, Instituto de Investigaciones Biomédicas IISFJD, University Autonoma Madrid Spain
| | - Lidia Daimiel
- Nutritional Control of the Epigenome Group, Precision Nutrition, and Obesity Program, IMDEA Food CEI UAM+CSIC Madrid Spain
| | - Emili Ros
- Centro de Investigación Biomédica en Red Fisiopatología de la Obesidad y la Nutrición (CIBEROBN) Institute of Health Carlos III Madrid Spain.,Lipid Clinic, Department of Endocrinology and Nutrition Institut d'Investigacions Biomèdiques August Pi Sunyer (IDIBAPS), Hospital Clínic Barcelona Spain
| | - Zenaida Vázquez-Ruiz
- Department of Preventive Medicine and Public Health Navarra Institute for Health Research (IdiSNA), University of Navarra Pamplona Spain.,Centro de Investigación Biomédica en Red Fisiopatología de la Obesidad y la Nutrición (CIBEROBN) Institute of Health Carlos III Madrid Spain
| | - Nancy Babio
- Centro de Investigación Biomédica en Red Fisiopatología de la Obesidad y la Nutrición (CIBEROBN) Institute of Health Carlos III Madrid Spain.,Departament de Bioquímica i Biotecnologia Universitat Rovira i Virgili, Unitat de Nutrició Humana Reus Spain.,University Hospital of Sant Joan de Reus, Servei de Medicina Interna, Unitat de Nutrició Reus Spain.,Institut d'Investigació Sanitària Pere Virgili (IISPV) Reus Spain
| | - Rocío Barragán
- Centro de Investigación Biomédica en Red Fisiopatología de la Obesidad y la Nutrición (CIBEROBN) Institute of Health Carlos III Madrid Spain.,Department of Preventive Medicine University of Valencia Spain
| | | | - Cristina Razquin
- Department of Preventive Medicine and Public Health Navarra Institute for Health Research (IdiSNA), University of Navarra Pamplona Spain.,Centro de Investigación Biomédica en Red Fisiopatología de la Obesidad y la Nutrición (CIBEROBN) Institute of Health Carlos III Madrid Spain
| | - Lucas Tojal-Sierra
- Centro de Investigación Biomédica en Red Fisiopatología de la Obesidad y la Nutrición (CIBEROBN) Institute of Health Carlos III Madrid Spain.,Bioaraba Health Research Institute, Osakidetza Basque Health Service, Araba University Hospital, University of the Basque Country UPV/EHU Vitoria-Gasteiz Spain
| | - Enrique Gómez-Gracia
- Instituto de Investigación Biomédica de Málaga-IBIMA Málaga Spain.,Department of Preventive Medicine and Public Health, School of Medicine University of Málaga Spain
| | - Sandra González-Palacios
- CIBER de Epidemiología y Salud Pública (CIBERESP) Instituto de Salud Carlos III Madrid Spain.,Instituto de Investigación Sanitaria y Biomédica de Alicante, Universidad Miguel Hernandez (ISABIAL-UMH) Alicante Spain
| | - Marga Morey
- Centro de Investigación Biomédica en Red Fisiopatología de la Obesidad y la Nutrición (CIBEROBN) Institute of Health Carlos III Madrid Spain.,Health Research Institute of the Balearic Islands (IdISBa) Palma de Mallorca Spain
| | - Antonio García-Rios
- Centro de Investigación Biomédica en Red Fisiopatología de la Obesidad y la Nutrición (CIBEROBN) Institute of Health Carlos III Madrid Spain.,Department of Internal Medicine, Maimonides Biomedical Research Institute of Cordoba (IMIBIC) Reina Sofia University Hospital, University of Cordoba Spain
| | - Sara Castro-Barquero
- Centro de Investigación Biomédica en Red Fisiopatología de la Obesidad y la Nutrición (CIBEROBN) Institute of Health Carlos III Madrid Spain.,Department of Medicine, Faculty of Medicine and Life Sciences University of Barcelona Spain.,Institut d'Investigacions Biomèdiques August Pi I Sunyer (IDIBAPS) Barcelona Spain
| | - María Rosa Bernal-López
- Centro de Investigación Biomédica en Red Fisiopatología de la Obesidad y la Nutrición (CIBEROBN) Institute of Health Carlos III Madrid Spain.,Instituto de Investigación Biomédica de Málaga-IBIMA Málaga Spain.,Department of Internal Medicine Regional University Hospital of Málaga Spain
| | - José Manuel Santos-Lozano
- Centro de Investigación Biomédica en Red Fisiopatología de la Obesidad y la Nutrición (CIBEROBN) Institute of Health Carlos III Madrid Spain.,Research Institute of Biomedical and Health Sciences (IUIBS) University of Las Palmas de Gran Canaria & Centro Hospitalario Universitario Insular Materno Infantil (CHUIMI), Canarian Health Service Las Palmas de Gran Canaria Spain
| | - Miguel Ruiz-Canela
- Department of Preventive Medicine and Public Health Navarra Institute for Health Research (IdiSNA), University of Navarra Pamplona Spain.,Centro de Investigación Biomédica en Red Fisiopatología de la Obesidad y la Nutrición (CIBEROBN) Institute of Health Carlos III Madrid Spain
| | - Antoni Castro-Salomó
- University Hospital of Sant Joan de Reus, Servei de Medicina Interna, Unitat de Nutrició Reus Spain.,Institut d'Investigació Sanitària Pere Virgili (IISPV) Reus Spain
| | | | - Verónica Moldon
- Precision Nutrition Programme IMDEA Food, CEI UAM+CSIC Madrid Spain
| | - Vanessa Bullón-Vela
- Department of Preventive Medicine and Public Health Navarra Institute for Health Research (IdiSNA), University of Navarra Pamplona Spain
| | - Carolina Sorto-Sanchez
- Centro de Investigación Biomédica en Red Fisiopatología de la Obesidad y la Nutrición (CIBEROBN) Institute of Health Carlos III Madrid Spain.,Bioaraba Health Research Institute, Osakidetza Basque Health Service, Araba University Hospital, University of the Basque Country UPV/EHU Vitoria-Gasteiz Spain
| | - Juan Carlos Cenoz-Osinaga
- Department of Preventive Medicine and Public Health Navarra Institute for Health Research (IdiSNA), University of Navarra Pamplona Spain
| | - Liliana Gutiérrez
- University Hospital of Sant Joan de Reus, Servei de Medicina Interna, Unitat de Nutrició Reus Spain.,Institut d'Investigació Sanitària Pere Virgili (IISPV) Reus Spain
| | - Maira Mengual
- Precision Nutrition Programme IMDEA Food, CEI UAM+CSIC Madrid Spain
| | - Rosa María Lamuela-Raventós
- Centro de Investigación Biomédica en Red Fisiopatología de la Obesidad y la Nutrición (CIBEROBN) Institute of Health Carlos III Madrid Spain.,Lipids and Vascular Risk Unit, Internal Medicine Hospital Universitario de Bellvitge, Hospitalet de Llobregat Barcelona Spain
| | - Vicente Martín-Sánchez
- Group of Investigation in Interactions Gene-Environment and Health (GIIGAS) Institute of Biomedicine (IBIOMED), University of León Spain.,CIBER de Epidemiología y Salud Pública (CIBERESP) Instituto de Salud Carlos III Madrid Spain
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16
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Roman YM. Moving the Needle in Gout Management: The Role of Culture, Diet, Genetics, and Personalized Patient Care Practices. Nutrients 2022; 14:nu14173590. [PMID: 36079846 PMCID: PMC9460297 DOI: 10.3390/nu14173590] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2022] [Revised: 08/12/2022] [Accepted: 08/23/2022] [Indexed: 11/16/2022] Open
Abstract
Gout is a metabolic disorder, and one of the most common inflammatory arthritic conditions, caused by elevated serum urate (SU). Gout is globally rising, partly due to global dietary changes and the growing older adult population. Gout was known to affect people of high socioeconomic status. Currently, gout disproportionately affects specific population subgroups that share distinct racial and ethnic backgrounds. While genetics may predict SU levels, nongenetic factors, including diet, cultural traditions, and social determinants of health (SDOH), need to be evaluated to optimize patient treatment outcomes. This approach would allow clinicians to assess whether certain cultural norms, or some SDOH, could be contributing to their patient’s risk of developing gout or recurrent gout flares. A cultural assessment may inform the development of culturally tailored dietary recommendations for patients with gout. Causal and association studies investigating the interaction between diet, genetics, and gout, should be cautiously interpreted due to the lack of reproducibility in different racial groups. Optimal gout management could benefit from a multidisciplinary approach, involving pharmacists and nurses. While data on the effect of specific dietary recommendations on managing hyperuricemia and gout may be limited, counseling patients with gout on the role of a healthy diet to optimally control their gout flares and other comorbidities should be part of patient education. Future research investigating the role of a gene–diet interaction in the context of hyperuricemia and gout is needed. Optimal care for patients with gout needs to include a holistic assessment for gout and gout-related comorbidities. Additionally, addressing health beliefs and culture-specific lifestyle factors among patients with gout may reduce their risk of gout flare, improve adherence to urate-lowering therapy (ULT), and achieve health equity in gout management.
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Affiliation(s)
- Youssef M Roman
- Department of Pharmacotherapy and Outcome Science, School of Pharmacy, Virginia Commonwealth University, Richmond, VA 23298, USA
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17
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The Examination of the Influence of Caffeinated Coffee Consumption on the Concentrations of Serum Prolactin and Selected Parameters of the Oxidative-Antioxidant Balance in Young Adults: A Preliminary Report. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2022; 2022:1735204. [PMID: 35923861 PMCID: PMC9343215 DOI: 10.1155/2022/1735204] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/26/2022] [Revised: 04/15/2022] [Accepted: 07/06/2022] [Indexed: 11/18/2022]
Abstract
We verified whether caffeinated coffee consumption influenced the concentrations of prolactin (PRL) and oxidative stress parameters: total antioxidant status (TAS), ferric reducing antioxidant power (FRAP), total oxidant status (TOS), oxidative stress index (OSI), advanced oxidation protein products (AOPP), uric acid (UA), total bilirubin (T-Bil), albumin (ALB), iron (Fe), calcium (Ca), magnesium (Mg), and inflammatory marker C-reactive protein (CRP)—in blood sera obtained at 15, 60, and 120 minutes after caffeinated coffee intake, in relation to the fasting point. The study participants were 33 young, healthy, nonsmoking volunteers (15 men, 18 women) aged 19-29 years. PRL concentrations significantly decreased (
) after consumption, except at time point 15’ in men (
). In women, FRAP levels significantly increased over time, and significant changes were also observed for UA at 120’ and ALB at 15’. In men, significant changes were found for levels of AOPP at 15’, T-Bil and ALB at 15’, iron at 60’ and 120’, and calcium at 120’. There were no significant differences in the levels of other examined parameters between the defined time points. In conclusion, the substances contained in caffeinated coffee decrease the level of prolactin and may also have an impact on selected parameters of oxidative stress, which could be the basis of future research focused on the identification of new therapeutic targets.
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18
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Wang Y, Xu F, Zhang X, Mi F, Qian Y, Hong R, Zou W, Bai H, He L, Wang S, Yin J. Cross-sectional association between gamma-glutamyl transferase and hyperuricaemia: the China Multi-Ethinic Cohort (CMEC) study. BMJ Open 2022; 12:e058793. [PMID: 35636797 PMCID: PMC9152940 DOI: 10.1136/bmjopen-2021-058793] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/11/2022] Open
Abstract
OBJECTIVES Several studies have demonstrated the association between gamma-glutamyl transferase (GGT) and hyperuricaemia, but little is known about such relation in less-developed ethnic minority regions. DESIGN We cross-sectionally analysed data from the China Multi-Ethnic Cohort (Yunnan region). SETTING Cross-sectional study. PARTICIPANTS 22 020 participants aged 30-79 years from Han ethnicity, Yi ethnicity and Bai ethnicity. OUTCOMES The serum level of uric acid, GGT and other metabolic parameters were tested. Weight, height and blood pressure were measured. Smoking, drinking, ethnicity, education and medical history were obtained from questionnaires. RESULTS In the crude model, compared with the lowest quintile, the second, third, fourth and fifth quintiles of serum GGT exhibited a positive association with hyperuricaemia risk (OR=1.69, 2.90, 4.34 and 7.70, 95% CI=1.42 to 2.01, 2.47 to 3.42, 3.71 to 5.09 and 6.60 to 8.98, respectively, p-trend<0.0001). In fully adjusted model, compared with the lowest quintile, the second, third, fourth and fifth quintiles of serum GGT also exhibited a positive association with hyperuricaemia risk (OR=1.26, 1.68, 2.02 and 3.02, 95% CI=1.04 to 1.51, 1.40 to 2.00, 1.69 to 2.42 and 2.51 to 3.64, respectively, p-trend<0.0001). Logistic regression model was conducted separately in ethnic groups. Compared with first quintile, the highest GGT level were related to higher risk of hyperuricaemia in three ethnic groups (OR (95% CI): 2.89 (2.26 to 3.68), 2.81 (1.93 to 4.11) and 3.04 (1.91 to 4.84) for Han, Yi and Bai ethnicity, respectively, p-trend <0.0001). The relationship between GGT and hyperuricaemia was also observed in different age groups or gender groups. CONCLUSIONS High serum GGT level was related to a higher risk of hyperuricaemia in less-developed ethnic minority regions in China.
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Affiliation(s)
- Yanjiao Wang
- School of Public Health, Kunming Medical University, Kunming, Yunnan, China
| | - Fang Xu
- School of Public Health, Kunming Medical University, Kunming, Yunnan, China
| | - Xuehui Zhang
- School of Public Health, Kunming Medical University, Kunming, Yunnan, China
| | - Fei Mi
- School of Public Health, Kunming Medical University, Kunming, Yunnan, China
| | - Ying Qian
- School of Public Health, Kunming Medical University, Kunming, Yunnan, China
| | - Rudan Hong
- School of Public Health, Kunming Medical University, Kunming, Yunnan, China
| | - Wei Zou
- School of Public Health, Kunming Medical University, Kunming, Yunnan, China
| | - Hua Bai
- School of Public Health, Kunming Medical University, Kunming, Yunnan, China
| | - Likun He
- School of Public Health, Kunming Medical University, Kunming, Yunnan, China
| | - Songmei Wang
- School of Public Health, Kunming Medical University, Kunming, Yunnan, China
| | - Jianzhong Yin
- School of Public Health, Kunming Medical University, Kunming, Yunnan, China
- Baoshan College of Traditional Chinese Medicine, Baoshan, China
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19
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Sarakhman O, Benková A, Švorc Ľ. A modern and powerful electrochemical sensing platform for purines determination: Voltammetric determination of uric acid and caffeine in biological samples on miniaturized thick-film boron-doped diamond electrode. Microchem J 2022. [DOI: 10.1016/j.microc.2021.107132] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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20
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Gherghina ME, Peride I, Tiglis M, Neagu TP, Niculae A, Checherita IA. Uric Acid and Oxidative Stress-Relationship with Cardiovascular, Metabolic, and Renal Impairment. Int J Mol Sci 2022; 23:ijms23063188. [PMID: 35328614 PMCID: PMC8949471 DOI: 10.3390/ijms23063188] [Citation(s) in RCA: 89] [Impact Index Per Article: 44.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2022] [Revised: 03/11/2022] [Accepted: 03/12/2022] [Indexed: 01/27/2023] Open
Abstract
Background: The connection between uric acid (UA) and renal impairment is well known due to the urate capacity to precipitate within the tubules or extra-renal system. Emerging studies allege a new hypothesis concerning UA and renal impairment involving a pro-inflammatory status, endothelial dysfunction, and excessive activation of renin–angiotensin–aldosterone system (RAAS). Additionally, hyperuricemia associated with oxidative stress is incriminated in DNA damage, oxidations, inflammatory cytokine production, and even cell apoptosis. There is also increasing evidence regarding the association of hyperuricemia with chronic kidney disease (CKD), cardiovascular disease, and metabolic syndrome or diabetes mellitus. Conclusions: Important aspects need to be clarified regarding hyperuricemia predisposition to oxidative stress and its effects in order to initiate the proper treatment to determine the optimal maintenance of UA level, improving patients’ long-term prognosis and their quality of life.
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Affiliation(s)
- Mihai-Emil Gherghina
- Department of Nephrology, “Carol Davila” University of Medicine and Pharmacy Bucharest, 020021 Bucharest, Romania; (M.-E.G.); (I.A.C.)
| | - Ileana Peride
- Department of Nephrology, “Carol Davila” University of Medicine and Pharmacy Bucharest, 020021 Bucharest, Romania; (M.-E.G.); (I.A.C.)
- Correspondence: (I.P.); (A.N.)
| | - Mirela Tiglis
- Department of Anesthesiology and Intensive Care, “Carol Davila” University of Medicine and Pharmacy Bucharest, 020021 Bucharest, Romania;
| | - Tiberiu Paul Neagu
- Department of Plastic Surgery and Reconstructive Microsurgery, “Carol Davila” University of Medicine and Pharmacy Bucharest, 020021 Bucharest, Romania;
| | - Andrei Niculae
- Department of Nephrology, “Carol Davila” University of Medicine and Pharmacy Bucharest, 020021 Bucharest, Romania; (M.-E.G.); (I.A.C.)
- Correspondence: (I.P.); (A.N.)
| | - Ionel Alexandru Checherita
- Department of Nephrology, “Carol Davila” University of Medicine and Pharmacy Bucharest, 020021 Bucharest, Romania; (M.-E.G.); (I.A.C.)
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21
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Chen Y, Luo L, Hu S, Gan R, Zeng L. The chemistry, processing, and preclinical anti-hyperuricemia potential of tea: a comprehensive review. Crit Rev Food Sci Nutr 2022; 63:7065-7090. [PMID: 35236179 DOI: 10.1080/10408398.2022.2040417] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Hyperuricemia is an abnormal purine metabolic disease that occurs when there is an excess of uric acid in the blood, associated with cardiovascular diseases, hypertension, gout, and renal disease. Dietary intervention is one of the most promising strategies for preventing hyperuricemia and controlling uric acid concentrations. Tea (Camellia sinensis) is known as one of the most common beverages and the source of dietary polyphenols. However, the effect of tea on hyperuricemia is unclear. Recent evidence shows that a lower risk of hyperuricemia is associated with tea intake. To better understand the anti-hyperuricemia effect of tea, this review first briefly describes the pathogenesis of hyperuricemia and the processing techniques of different types of tea. Next, the epidemiological and experimental studies of tea and its bioactive compounds on hyperuricemia in recent years were reviewed. Particular attention was paid to the anti-hyperuricemia mechanisms targeting the hepatic uric acid synthase, renal uric acid transporters, and intestinal microbiota. Additionally, the desirable intake of tea for preventing hyperuricemia is provided. Understanding the anti-hyperuricemia effect and mechanisms of tea can better utilize it as a preventive dietary strategy.HighlightsHigh purine diet, excessive alcohol/fructose consumption, and less exercise/sleep are the induction factors of hyperuricemia.Tea and tea compounds showed alleviated effects for hyperuricemia, especially polyphenols.Tea (containing caffeine or not) is not associated with a higher risk of hyperuricemia.Xanthine oxidase inhibition (reduce uric acid production), Nrf2 activation, and urate transporters regulation (increase uric acid excretion) are the potential molecular targets of anti-hyperuricemic effect of tea.About 5 g tea intake per day may be beneficial for hyperuricemia prevention.
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Affiliation(s)
- Yu Chen
- College of Food Science, Southwest University, Chongqing, China
| | - Liyong Luo
- College of Food Science, Southwest University, Chongqing, China
- College of Food Science, Tea Research Institute, Southwest University, Chongqing, China
| | - Shanshan Hu
- College of Food Science, Southwest University, Chongqing, China
| | - Renyou Gan
- Research Center for Plants and Human Health, Institute of Urban Agriculture, Chinese Academy of Agricultural Sciences, National Agricultural Science & Technology Center, Chengdu, China
| | - Liang Zeng
- College of Food Science, Southwest University, Chongqing, China
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22
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Shvabskaia OB, Izmailova OV, Karamnova NS, Drapkina OM. Hyperuricemia: Features of the Diet. RATIONAL PHARMACOTHERAPY IN CARDIOLOGY 2022. [DOI: 10.20996/1819-6446-2021-12-04] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
The association of hyperuricemia (HU) with cardiovascular disease (CVD), diabetes, metabolic syndrome, and kidney disease has been demonstrated in numerous studies. НU is the main pathogenetic factor in the development of gout and is associated with an increase in overall and cardiovascular mortality. НU is included in the list of factors determining cardiovascular risk. According to epidemiological studies, there is a high prevalence of HU in the world and its increase in recent decades. A number of factors have been identified that contribute to the increased risk of НU. Non-modifiable factors include gender, age, genetic factors, and modifiable factors include diet and lifestyle. Nutritional unbalances, increased life expectancy, increased prevalence of obesity, and increased use of drugs (especially diuretics) are seen as contributing factors to the rise in НU. The review was carried out to summarize the available information on the effect of dietary habits, individual foods and nutrients on serum uric acid (SUA) levels and the risk of developing HU. The review presents the results of scientific studies demonstrating the relationship of НU with the consumption of foods rich in purines (offal, red meat, fish, seafood, legumes), alcohol consumption, drinks sweetened with fructose, coffee, dairy products, vegetables and fruits. Diet correction is an important and necessary step in the prevention and treatment of НU. The article reviews the basic principles of dietary management in HU and provides dietary recommendations for patients. For effective prevention and treatment of НU, a mandatory correction of the diet is required.
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Affiliation(s)
- O. B. Shvabskaia
- National Medical Research Center for Therapy and Preventive Medicine
| | - O. V. Izmailova
- National Medical Research Center for Therapy and Preventive Medicine
| | - N. S. Karamnova
- National Medical Research Center for Therapy and Preventive Medicine
| | - O. M. Drapkina
- National Medical Research Center for Therapy and Preventive Medicine
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23
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Liu A, Jiang C, Liu Q, Yin H, Zhou H, Ma H, Geng Q. The Inverted U-Shaped Association of Caffeine Intake with Serum Uric Acid in U.S. Adults. J Nutr Health Aging 2022; 26:391-399. [PMID: 35450996 DOI: 10.1007/s12603-022-1767-y] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
BACKGROUND AND AIMS Caffeine is a worldwide popularly consumed constituent in foods that can exert physiological effects. However, previous researches about the relationship between caffeine intake and serum uric acid (SUA) were limited and controversial. Therefore, we sought to investigate that relationship in U.S. adults. METHODS In this cross-sectional study, the total sample of 7888 selected participants (3838 males and 4050 females) were identified from the National Health and Nutritional Examination Surveys (NHANES) 2015-2018. All subjects were tested for serum uric acid levels (μmmol/L), and their daily caffeine intakes (mg/d) were obtained by an average of two 24-hour dietary recalls. Multivariate linear regression models were used to evaluate the association between two variables in total subjects and subgroup analyses. Generalized additive models with smooth curve fittings were also performed. RESULTS Multivariate regression analyses showed caffeine intake was negatively correlated with SUA after adjustment of other confounders. The subgroup analyses stratified by gender showed the negative correlation of caffeine intake with SUA was statistically significant in males but not in females. Furthermore, we observed a nonlinear inverse association of caffeine intake with SUA (P nonlinear <0.001) in the generalized additive model, followed by an inverted U-shaped curve (inflection point: 60.5mg/d) for all participants. This inverted U-shaped relationship between them could also be found in both genders, individuals aged below 60 years old, overweight (BMI of 25 to 30), and Non-Hispanic White individuals. CONCLUSIONS This study indicated that caffeine intake exhibited an inverse correlation with SUA, especially in males. In addition, this inverse relationship was nonlinear, which followed an inverted U-shaped curve.
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Affiliation(s)
- A Liu
- Huan Ma, Qingshan Geng, Department of Cardiology, Guangdong Cardiovascular Institute, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, No. 106 Second Zhongshan Road, Guangzhou 510080, China, ;
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24
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Mirmiran P, Ramezan M, Farhadnejad H, Asghari G, Tahmasebinejad Z, Azizi F. High Dietary Diabetes Risk Reduction Score Is Associated with Decreased Risk of Chronic Kidney Disease in Tehranian Adults. Int J Clin Pract 2022; 2022:5745297. [PMID: 35685521 PMCID: PMC9159201 DOI: 10.1155/2022/5745297] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/27/2021] [Revised: 12/29/2021] [Accepted: 01/18/2022] [Indexed: 11/21/2022] Open
Abstract
AIM In the current study, we examined the association of dietary diabetes risk reduction score (DDRRS) with chronic kidney disease (CKD) among an Iranian adult population. METHODS We followed up 2076 ≥20-year-old participants of the Tehran Lipid and Glucose Study (2006-2008), who were initially free of CKD for 5.98 years. The dietary diabetes risk reduction score was calculated based on scoring eight components, including cereal fiber, nuts, coffee, polyunsaturated fatty acids-to-saturated fatty acids ratio, glycemic index, sugar-sweetened beverages, trans fatty acids, and red and processed meat using a valid and reliable 168-item food frequency questionnaire. CKD was defined as estimated glomerular filtration rate (eGFR) <60 mL/min/1.73 m2. A Cox proportional hazard regression model was used to assess the association between the quartiles of DDRRS and CKD incidence. RESULTS Mean ± SD age of the study population (53% women) was 37.6 ± 12.61 years. During 5.98 years of follow-up, 357 incident cases of CKD were reported. The median (25-75 interquartile range) of DDRRS was 20 (18-22). After adjustment for age, sex, smoking status, total energy intake, body mass index, hypertension, diabetes, eGFR, and physical activity, individuals in the highest versus lowest quartile of DDRRS were 33% less likely to have CKD (HR: 0.67; 95% CI: 0.48-0.96, P for trend: 0.043). CONCLUSION The present study's findings suggest that greater adherence to a dietary pattern with a higher score of DDRRS may be associated with a lower risk of CKD incident.
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Affiliation(s)
- Parvin Mirmiran
- Nutrition and Endocrine Research Center, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Marjan Ramezan
- Nutrition and Endocrine Research Center, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Hossein Farhadnejad
- Nutrition and Endocrine Research Center, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Golaleh Asghari
- Nutrition and Endocrine Research Center, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Zhaleh Tahmasebinejad
- Department of Epidemiology and Biostatistics, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Fereidoun Azizi
- Endocrine Research Center, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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25
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McCormick N, Yokose C, Lu N, Joshi AD, Curhan GC, Choi HK. Impact of adiposity on risk of female gout among those genetically predisposed: sex-specific prospective cohort study findings over >32 years. Ann Rheum Dis 2021; 81:556-563. [PMID: 34857519 DOI: 10.1136/annrheumdis-2021-221635] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2021] [Accepted: 11/09/2021] [Indexed: 12/22/2022]
Abstract
OBJECTIVES To evaluate the joint (combined) association of excess adiposity and genetic predisposition with the risk of incident female gout, and compare to their male counterparts; and determine the proportion attributable to body mass index (BMI) only, genetic risk score (GRS) only, and to their interaction. METHODS We prospectively investigated potential gene-BMI interactions in 18 244 women from the Nurses' Health Study and compared with 10 888 men from the Health Professionals Follow-Up Study. GRS for hyperuricaemia was derived from 114 common urate-associated single nucleotide polymorphisms. RESULTS Multivariable relative risk (RR) for female gout was 1.49 (95% CI 1.42 to 1.56) per 5 kg/m2 increment of BMI and 1.43 (1.35 to 1.52) per SD increment in the GRS. For their joint association of BMI and GRS, RR was 2.18 (2.03 to 2.36), more than the sum of each individual factor, indicating significant interaction on an additive scale (p for interaction <0.001). The attributable proportions of joint effect for female gout were 42% (37% to 46%) to adiposity, 37% (32% to 42%) to genetic predisposition and 22% (16% to 28%) to their interaction. Additive interaction among men was smaller although still significant (p interaction 0.002, p for heterogeneity 0.04 between women and men), and attributable proportion of joint effect was 14% (6% to 22%). CONCLUSIONS While excess adiposity and genetic predisposition both are strongly associated with a higher risk of gout, the excess risk of both combined was higher than the sum of each, particularly among women.
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Affiliation(s)
- Natalie McCormick
- Division of Rheumatology, Allergy and Immunology, Massachusetts General Hospital, Boston, Massachusetts, USA .,Arthritis Research Canada, Vancouver, British Columbia, Canada.,Medicine, Harvard Medical School, Boston, Massachusetts, USA
| | - Chio Yokose
- Medicine, Harvard Medical School, Boston, Massachusetts, USA.,Rheumatology Unit, Massachusetts General Hospital, Boston, Massachusetts, USA
| | - Na Lu
- Arthritis Research Canada, Vancouver, British Columbia, Canada.,Channing Division of Network Medicine, Brigham and Women's Hospital, Boston, Massachusetts, USA
| | - Amit D Joshi
- Medicine, Harvard Medical School, Boston, Massachusetts, USA.,Clinical Translational Epidemiology Unit, Department of Medicine, Massachusetts General Hospital, Boston, Massachusetts, USA
| | - Gary C Curhan
- Channing Division of Network Medicine, Brigham and Women's Hospital, Boston, Massachusetts, USA.,Division of Renal Medicine, Department of Medicine, Brigham and Women's Hospital, Boston, Massachusetts, USA
| | - Hyon K Choi
- Arthritis Research Canada, Vancouver, British Columbia, Canada .,Division of Rheumatology, Allergy and Immunology, Department of Medicine, Massachusetts General Hospital, Boston, Massachusetts, USA
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26
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Abstract
BACKGROUND Gout is the most common form of inflammatory arthritis, affecting 41 million adults worldwide. The global burden of gout has been increasing over the last three decades, yet its management remains suboptimal. The primary aim of this manuscript is to review the impact of various diets such as the DASH, Mediterranean, and low purine diets; weight loss; and individual foods, including alcohol, caffeine, cherry, dairy, high-fructose corn syrup, omega-3 fatty acids, and vitamin C on hyperuricemia and clinical gout outcomes such as flares and tophi. CONCLUSION Few studies to date have specifically evaluated the effect of various dietary approaches on hyperuricemia among people with gout and on gout-specific outcomes. Overall, the dietary factors appear to have a small effect on serum urate levels, and their impact on the long-term clinical course of gout is uncertain. Limited evidence suggests that avoidance of certain foods and beverages may decrease the frequency of gout flares. Weight loss may be beneficial for prevention as well as treatment of gout. Urate-lowering therapy remains the mainstay of therapy, with diet and dietary factors studied to date playing a limited role in the definitive management of gout.
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Affiliation(s)
| | - Shiv Tej Sehra
- Harvard Medical School, Boston, MA, USA; Mount Auburn Hospital, Cambridge, MA, USA
| | - Tuhina Neogi
- Boston University School of Medicine, Boston, MA, USA.
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27
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Sui Y, Shi J, Cai S, Xiong T, Xie B, Sun Z, Mei X. Metabolites of Procyanidins From Litchi Chinensis Pericarp With Xanthine Oxidase Inhibitory Effect and Antioxidant Activity. Front Nutr 2021; 8:676346. [PMID: 34621770 PMCID: PMC8490629 DOI: 10.3389/fnut.2021.676346] [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: 03/05/2021] [Accepted: 08/19/2021] [Indexed: 12/12/2022] Open
Abstract
Procyanidins from litchi pericarp (LPPC) has been evidenced to possess strong antioxidant activities in vivo that is possibly correlated with their intestinal metabolites. However, the xanthine oxidase inhibitory effect of LPPC and its metabolites was less concerned. In this study, three oligomeric procyanidins and eight metabolic phenolic acids were identified in the urine of rats administrated with LPPC by high performance liquid chromatography and liquid chromatography-mass spectrometry analysis. Data indicated that all the metabolites excreted were significantly increased by the treatment of 300 mg/kg body weight of LPPC (P < 0.05), revealing considerable 1, 1-Diphenyl-2-Picrylhydrazyl (DPPH) and hydroxyl radicals activities of scavenging. Moreover, phenolic metabolites involving epicatechin, A-type dimer, A-type trimer, caffeic acid, and shikimic acid exhibited greater xanthine oxidase inhibition effects compared with other metabolites, with an inhibitory rate higher than 50% at the concentration 200 μg/ml. The IC50 value of these five phenols were 58.43 ± 1.86, 68.37 ± 3.50, 74.87 ± 1.30, 95.67 ± 3.82, and 96.17 ± 1.64 μg/ml, respectively. As a whole, this work suggests that the xanthine oxidase inhibition and antioxidant activity of LPPC-derived metabolites as one of the mechanisms involved in the beneficial effects of LPPC against hyperuricemia or gout.
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Affiliation(s)
- Yong Sui
- Institute for Farm Products Processing and Nuclear-Agricultural Technology, Hubei Academy of Agricultural Science, Wuhan, China.,College of Food Science and Technology, Huazhong Agricultural University, Wuhan, China
| | - Jianbin Shi
- Institute for Farm Products Processing and Nuclear-Agricultural Technology, Hubei Academy of Agricultural Science, Wuhan, China
| | - Sha Cai
- Institute for Farm Products Processing and Nuclear-Agricultural Technology, Hubei Academy of Agricultural Science, Wuhan, China
| | - Tian Xiong
- Institute for Farm Products Processing and Nuclear-Agricultural Technology, Hubei Academy of Agricultural Science, Wuhan, China
| | - Bijun Xie
- College of Food Science and Technology, Huazhong Agricultural University, Wuhan, China
| | - Zhida Sun
- College of Food Science and Technology, Huazhong Agricultural University, Wuhan, China
| | - Xin Mei
- Institute for Farm Products Processing and Nuclear-Agricultural Technology, Hubei Academy of Agricultural Science, Wuhan, China
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Zhang RC, Madan CR. How does caffeine influence memory? Drug, experimental, and demographic factors. Neurosci Biobehav Rev 2021; 131:525-538. [PMID: 34563564 DOI: 10.1016/j.neubiorev.2021.09.033] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2021] [Revised: 09/10/2021] [Accepted: 09/17/2021] [Indexed: 11/29/2022]
Abstract
Caffeine is a widely used nootropic drug, but its effects on memory in healthy participants have not been sufficiently evaluated. Here we review evidence of the effects of caffeine on different types of memory, and the associated drug, experimental, and demographical factors. There is limited evidence that caffeine affects performance in memory tasks beyond improved reaction times. For drug factors, a dose-response relationship may exist but findings are inconsistent. Moreover, there is evidence that the source of caffeine can modulate its effects on memory. For experimental factors, past studies often lacked a baseline control for diet and sleep and none discussed the possible reversal of withdrawal effect due to pre-experimental fasting. For demographic factors, caffeine may interact with sex and age, and the direction of the effect may depend on the dose, individual tolerance, and metabolism at baseline. Future studies should incorporate these considerations, as well as providing continued evidence on the effect of caffeine in visuospatial, prospective, and implicit memory measures.
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Affiliation(s)
- Ruo-Chong Zhang
- School of Psychology, University of Nottingham, Nottingham, UK.
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Impact of Coffee/Green Tea/Soft Drink Consumption on the Risk of Hyperuricemia: A Cross-Sectional Study. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:ijerph18147299. [PMID: 34299750 PMCID: PMC8306445 DOI: 10.3390/ijerph18147299] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/23/2021] [Revised: 07/06/2021] [Accepted: 07/06/2021] [Indexed: 11/16/2022]
Abstract
This cross-sectional study aimed to investigate the association between hyperuricemia and the frequency of coffee, tea, and soft drink consumption, based on data from the Korean Genome and Epidemiology Study (KoGES) (2004-2016). We used the KoGES health examinee data, obtained from urban residents aged ≥ 40 years. Information on the participants' medical history, nutrition (total calorie, protein, fat, and carbohydrate intake), frequency of alcohol consumption, smoking status, household income, and frequency of coffee/green tea/soft drink intake was collected. A logistic regression model was used to analyze the data. Subgroup analyses were performed according to the participant's age and sex. Among 173,209 participants, there were 11,750 and 156,002 individuals with hyperuricemia and non-hyperuricemia controls, respectively. In an adjusted model, frequent coffee and green tea consumption did not increase the risk of hyperuricemia, compared to the "no intake" reference group. However, an adjusted odds ratio of hyperuricemia was 1.23 (95% confidence interval, 1.11-1.35, p < 0.001) for participants who reported consuming soft drinks ≥ 3 times per day, compared to the respective "no drink" reference group. Even after adjusting for nutritional and sociodemographic factors, frequent soft drink intake was associated with an increased risk of hyperuricemia. Meanwhile, neither coffee nor green tea intake was associated with an increased risk of hyperuricemia.
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Limirio LS, Santos HO, Dos Reis AS, de Oliveira EP. Association Between Dietary Intake and Serum Uric Acid Levels in Kidney Transplant Patients. J Ren Nutr 2021; 31:637-647. [PMID: 33931313 DOI: 10.1053/j.jrn.2020.11.009] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2020] [Revised: 10/22/2020] [Accepted: 11/25/2020] [Indexed: 12/18/2022] Open
Abstract
OBJECTIVES The aim of this study was to evaluate the association between dietary intake and uric acid (UA) levels in kidney transplant patients (KTPs). METHODS A cross-sectional study was performed with 113 KTPs. Dietary intake assessment was carried out thorough two 24-hour dietary recalls using the 5-step multiple pass method. We evaluated the intake of energy, carbohydrate, total protein, animal protein, vegetable protein, total fat, saturated fat, trans fat, monounsaturated fat, polyunsaturated fat, omega-3 and omega-6 fatty acids, cholesterol, total sugar, added sugars, total fiber, insoluble fiber, soluble fiber, alcohol, caffeine, fructose, glucose, lactose, sucrose, vitamin A, vitamin C, vitamin E, and calcium. The intake of several food groups (portions) was also evaluated. Hyperuricemia was classified as >7.0 and >6 mg/dL for men and women, respectively. RESULTS In odds ratio analyses, the individuals who ingested more vegetable protein (g/kg) and caffeine (mg) presented lower chance to have hyperuricemia. In linear regression, animal protein (g) intake was positively associated (β = 0.011, P = .048), while vegetable protein (g/kg) intake was inversely associated (β = -2.45, P = .047) with serum UA. However, after a multiple linear regression including vegetable and animal protein intakes together, only vegetable protein intake remained associated with UA. The intake of other nutrients and portions of food groups was not associated with UA. All the analyses were adjusted for sex, age, hypertension, body mass index, glomerular filtration rate, use of medicines, and caloric intake misreporting. CONCLUSIONS Vegetable protein and caffeine intakes were inversely associated with UA in KTPs.
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Affiliation(s)
- Larissa S Limirio
- Laboratory of Nutrition, Exercise and Health (LaNES), School of Medicine, Federal University of Uberlandia (UFU), Uberlandia, Minas Gerais, Brazil
| | - Heitor O Santos
- Laboratory of Nutrition, Exercise and Health (LaNES), School of Medicine, Federal University of Uberlandia (UFU), Uberlandia, Minas Gerais, Brazil
| | - Aline S Dos Reis
- Laboratory of Nutrition, Exercise and Health (LaNES), School of Medicine, Federal University of Uberlandia (UFU), Uberlandia, Minas Gerais, Brazil
| | - Erick P de Oliveira
- Laboratory of Nutrition, Exercise and Health (LaNES), School of Medicine, Federal University of Uberlandia (UFU), Uberlandia, Minas Gerais, Brazil.
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Chen DD, Dong XX, Yang XJ, Sun HP, Liang G, Chen X, Pan CW. Tea consumption and serum uric acid levels among older adults in three large-scale population-based studies in China. BMC Geriatr 2021; 21:267. [PMID: 33882860 PMCID: PMC8061055 DOI: 10.1186/s12877-021-02216-8] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2021] [Accepted: 04/12/2021] [Indexed: 02/03/2023] Open
Abstract
Background and aims The association between serum uric acid (SUA) and tea consumption has been studied in previous work, and there were arguments among various population group employed as well as different statistical approaches. The aim of this work is to investigate the tea effect on SUA levels among older adults by comparing three large-scale populations with both cross-sectional and longitudinal analyses. Method We examined the relationship between intake and SUA levels among older adults using linear regression. All the studies include the parameters SUA levels, tea intake, age, sex, education level, smoking status, alcohol drinking status, body mass index (BMI), and health history (diabetes, hypertension, and fasting plasma glucose). The cross-sectional analyses were conducted with 4579 older adults in the Weitang Geriatric Diseases Study (WGDS, ≥60 years), 2440 in the China Health and Nutrition Survey (CHNS, ≥60 years) and 1236 in the Chinese Longitudinal Healthy Longevity Survey (CLHLS, ≥62 years); and the longitudinal analyses were performed with 3870 (84.5%) in the WGDS and 420 (34.0%) in the CLHLS. Multivariable linear regression analyses were performed in both cross-sectional and longitudinal studies. Results Cross-sectional studies showed that tea consumers tended to have higher SUA levels than non-tea consumers in all the three datasets (P < 0.05). However, longitudinal associations of SUA levels with tea consumption had no statistical significance (P>0.05). The results of sex-stratified analyses were consistent with those of the whole datasets. Conclusions This work implied that any possible association between tea consumption and SUA levels could be very weak.
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Affiliation(s)
- Dan-Dan Chen
- State Key Laboratory of Radiation Medicine and Protection, School of Radiation Medicine and Protection, Soochow University, Suzhou, 215123, China.,Collaborative Innovation Center of Radiological Medicine of Jiangsu Higher Education Institutions, Suzhou, China
| | - Xing-Xuan Dong
- School of Public Health, Medical College of Soochow University, 199 Ren Ai Road, Suzhou, 215123, China
| | - Xue-Jiao Yang
- School of Public Health, Medical College of Soochow University, 199 Ren Ai Road, Suzhou, 215123, China
| | - Hong-Peng Sun
- School of Public Health, Medical College of Soochow University, 199 Ren Ai Road, Suzhou, 215123, China
| | - Gang Liang
- Department of Ophthalmology, the Affiliated Hospital of Yunnan University, Kunming, China.,Department of Ophthalmology, the Second People's Hospital of Yunnan Province, Kunming, China
| | - Xing Chen
- Department of Children Health Care, the Affiliated Suzhou Hospital of Nanjing Medical University, No. 26, Dao Qian Road, Suzhou, 215000, China.
| | - Chen-Wei Pan
- School of Public Health, Medical College of Soochow University, 199 Ren Ai Road, Suzhou, 215123, China.
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Sinduja B, Gowthaman NSK, John SA. Fabrication of low-cost sustainable electrocatalyst: a diagnostic tool for multifunctional disorders in human fluids. J Mater Chem B 2021; 8:9502-9511. [PMID: 32996975 DOI: 10.1039/d0tb01681k] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
In purine metabolism, the xanthine oxidoreductase enzyme converts hypoxanthine (HXN) to xanthine (XN) and XN to uric acid (UA). This leads to the deposition of UA crystals in several parts of the body and the serum UA level might be associated with various multifunctional disorders. The dietary intake of caffeine (CF) and ascorbic acid (AA) decreases the UA level in the serum, which leads to cellular damage. Hence, it is highly needed to monitor the UA level in the presence of AA, XN, HXN, and CF and vice versa. Considering this sequence of complications, the present paper reports the fabrication of an electrochemical sensor using low-cost N-doped carbon dots (CDs) for the selective and simultaneous determination of UA in the presence of AA, XN, HXN, and CF at the physiological pH. The colloidal solution of CDs was prepared by the pyrolysis of asparagine and fabricated on a GC electrode by cycling the potential from -0.20 to +1.2 V in a solution containing CDs and 0.01 M H2SO4. Here, the surface -NH2 functionalities of CDs were used to make a thin film of CDs on the GC electrode. FT-IR spectroscopy confirmed the involvement of the -NH2 group in the formation of the CD film. HR-TEM analysis depicts that the formed CDs showed spherical particles with a size of 1.67 nm and SEM analysis exhibits the 89 nm CD film on the GC electrode surface. The fabricated CD film was successfully used for the sensitive and selective determination of UA. The determination of UA was achieved selectively in a mixture consisting of AA, XN, HXN, and CF with 50-fold high concentration. The CDs-film fabricated electrode has several benefits over the bare electrode: (i) well-resolved oxidation peaks for five analytes, (ii) boosted sensitivity, (iii) shifted oxidation as well as on-set potentials toward less positive potentials, and (iv) high stability. The practical utility of the present sensor was tested by simultaneously determining the multifactorial disorders-causing agents in human fluids. The electrocatalyst developed in the present study is sustainable and can be used for multiple analyses; besides, the electrochemical method used for the fabrication of the CD film is environmentally benign.
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Affiliation(s)
- Bharathi Sinduja
- Centre for Nanoscience and Nanotechnology, Department of Chemistry, The Gandhigram Rural Institute, Gandhigram-624 302, Dindigul, Tamilnadu, India.
| | - N S K Gowthaman
- Materials Synthesis and Characterization Laboratory, Institute of Advanced Technology, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor, Malaysia
| | - S Abraham John
- Centre for Nanoscience and Nanotechnology, Department of Chemistry, The Gandhigram Rural Institute, Gandhigram-624 302, Dindigul, Tamilnadu, India.
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Agoons DD, Agoons BB, Kaze AD, Komanduri S. Effect of Serum Ferritin on the Association Between Coffee Intake and Hyperuricemia Among American Women: The National Health and Nutrition Examination Survey. Cureus 2021; 13:e13855. [PMID: 33859905 PMCID: PMC8038869 DOI: 10.7759/cureus.13855] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
Background Accruing evidence suggests an inverse relationship between coffee intake and serum uric acid. The mechanism(s) explaining this inverse relationship remains elusive. The aim of this study was to assess if the association between coffee intake and hyperuricemia is mediated via serum ferritin in women. Methods We pooled data from the 2003 to 2006 National Health and Nutrition Examination Survey (NHANES). We included women with complete information on all key variables. Coffee intake was classified as none, <1 cup/day, 1-3 cups/day, and ≥4 cups/day. Hyperuricemia was defined as serum uric acid >5.7 mg/dL. We assessed the association between coffee intake and hyperuricemia using logistic regression. Path analysis was used to examine whether serum ferritin mediated the effect of coffee on hyperuricemia. Results Among 2,139 women (mean age: 31.2 years [SD: 9.2]), mean serum uric acid was 4.4 mg/dL (SD: 1.0), and 227 (10.6%) had hyperuricemia. In multivariate logistic regression models, intake of ≥4 cups/day of coffee was associated with lower odds of hyperuricemia (OR 0.28 [95% CI: 0.09, 091], P=0.035). The total direct and indirect effect of coffee on hyperuricemia via serum ferritin was −0.16, P=0.009 and −8.1 × 10−3, P=0.204, respectively. Conclusion Among women, moderate coffee consumption was inversely related to hyperuricemia by direct effect, rather than indirectly through the effects of serum ferritin. These findings suggest that serum ferritin does not mediate the inverse association between coffee and hyperuricemia in women.
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Affiliation(s)
- Dayawa D Agoons
- Internal Medicine, University of Pittsburgh Medical Center Pinnacle Hospital, Harrisburg, USA
| | - Batakeh B Agoons
- Department of Internal Medicine, Faculty of Medicine and Biomedical Sciences, University of Yaounde, Yaoundé, CMR
| | - Arnaud D Kaze
- Internal Medicine, Johns Hopkins School of Medicine, Baltimore, USA.,Medicine, Sovah Health, Virginia, USA
| | - Saketram Komanduri
- Internal Medicine, University of Pittsburgh Medical Center Pinnacle Hospital, Harrisburg, USA
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Wang J, Sun S, Zhao K, Shi H, Fan J, Wang H, Liu Y, Liu X, Wang W. Insights into the inhibitory mechanism of purpurogallin on xanthine oxidase by multiple spectroscopic techniques and molecular docking. J Mol Struct 2021. [DOI: 10.1016/j.molstruc.2020.129772] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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Topless RKG, Major TJ, Florez JC, Hirschhorn JN, Cadzow M, Dalbeth N, Stamp LK, Wilcox PL, Reynolds RJ, Cole JB, Merriman TR. The comparative effect of exposure to various risk factors on the risk of hyperuricaemia: diet has a weak causal effect. Arthritis Res Ther 2021; 23:75. [PMID: 33663556 PMCID: PMC7931603 DOI: 10.1186/s13075-021-02444-8] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2020] [Accepted: 02/11/2021] [Indexed: 02/08/2023] Open
Abstract
BACKGROUND Prevention of hyperuricaemia (HU) is critical to the prevention of gout. Understanding causal relationships and relative contributions of various risk factors to hyperuricemia is therefore important in the prevention of gout. Here, we use attributable fraction to compare the relative contribution of genetic, dietary, urate-lowering therapy (ULT) and other exposures to HU. We use Mendelian randomisation to test for the causality of diet in urate levels. METHODS Four European-ancestry sample sets, three from the general population (n = 419,060) and one of people with gout (n = 6781) were derived from the Database of Genotypes and Phenotypes (ARIC, FHS, CARDIA, CHS) and UK Biobank. Dichotomised exposures to diet, genetic risk variants, BMI, alcohol, diuretic treatment, sex and age were used to calculate adjusted population and average attributable fractions (PAF/AAF) for HU (≥0.42 mmol/L [≥7 mg/dL]). Exposure to ULT was also assessed in the gout cohort. Two sample Mendelian randomisation was done in the UK Biobank using dietary pattern-associated genetic variants as exposure and serum urate levels as outcome. RESULTS Adherence to dietary recommendations, BMI (< 25 kg/m2), and absence of the SLC2A9 rs12498742 urate-raising allele produced PAFs for HU of 20 to 24%, 59 to 69%, and 57 to 64%, respectively, in the three non-gout cohorts. In the gout cohort, diet, BMI, SLC2A9 rs12498742 and ULT PAFs for HU were 12%, 49%, 48%, and 63%, respectively. Mendelian randomisation demonstrated weak causal effects of four dietary habits on serum urate levels (e.g. preferentially drinking skim milk increased urate, β = 0.047 mmol/L, P = 3.78 × 10-8). These effects were mediated by BMI, and they were not significant (P ≥ 0.06) in multivariable models assessing the BMI-independent effect of diet on urate. CONCLUSIONS Diet has a relatively minor role in determining serum urate levels and HU. In gout, the use of ULT was the largest attributable fraction tested for HU.
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Affiliation(s)
- Ruth K. G. Topless
- grid.29980.3a0000 0004 1936 7830Department of Biochemistry, University of Otago, Dunedin, New Zealand
| | - Tanya J. Major
- grid.29980.3a0000 0004 1936 7830Department of Biochemistry, University of Otago, Dunedin, New Zealand
| | - Jose C. Florez
- grid.66859.34Programs in Metabolism and Medical & Population Genetics, Broad Institute of MIT and Harvard, Cambridge, MA USA ,grid.32224.350000 0004 0386 9924Diabetes Unit and Center for Genomic Medicine, Massachusetts General Hospital, Boston, MA USA ,grid.38142.3c000000041936754XDepartment of Medicine, Harvard Medical School, Boston, MA USA
| | - Joel N. Hirschhorn
- grid.66859.34Programs in Metabolism and Medical & Population Genetics, Broad Institute of MIT and Harvard, Cambridge, MA USA ,grid.2515.30000 0004 0378 8438Division of Endocrinology and Center for Basic and Translational Obesity Research, Boston Children’s Hospital, Boston, MA USA ,grid.38142.3c000000041936754XDepartment of Genetics, Harvard Medical School, Boston, MA USA
| | - Murray Cadzow
- grid.29980.3a0000 0004 1936 7830Department of Biochemistry, University of Otago, Dunedin, New Zealand
| | - Nicola Dalbeth
- grid.9654.e0000 0004 0372 3343Department of Medicine, Faculty of Medical Sciences, University of Auckland, Auckland, New Zealand
| | - Lisa K. Stamp
- grid.29980.3a0000 0004 1936 7830Department of Medicine, University of Otago Christchurch, Christchurch, New Zealand
| | - Philip L. Wilcox
- grid.29980.3a0000 0004 1936 7830Department of Mathematics and Statistics, University of Otago, Dunedin, New Zealand
| | - Richard J. Reynolds
- grid.265892.20000000106344187Division of Clinical Immunology and Rheumatology, University of Alabama Birmingham, Birmingham, AL USA
| | - Joanne B. Cole
- grid.66859.34Programs in Metabolism and Medical & Population Genetics, Broad Institute of MIT and Harvard, Cambridge, MA USA ,grid.32224.350000 0004 0386 9924Diabetes Unit and Center for Genomic Medicine, Massachusetts General Hospital, Boston, MA USA ,grid.2515.30000 0004 0378 8438Division of Endocrinology and Center for Basic and Translational Obesity Research, Boston Children’s Hospital, Boston, MA USA
| | - Tony R. Merriman
- grid.29980.3a0000 0004 1936 7830Department of Biochemistry, University of Otago, Dunedin, New Zealand ,grid.265892.20000000106344187Division of Clinical Immunology and Rheumatology, University of Alabama Birmingham, Birmingham, AL USA
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Abstract
ZusammenfassungMit steigenden Harnsäurewerten steigt das Risiko einer Gicht. Da die Harnsäure-Homöostase von zahlreichen Lebensstilfaktoren beeinflusst wird, ist das Auftreten einer Gicht fast immer auch mit der Lebensweise assoziiert. Lange schon ist bekannt, dass die Zufuhr purinreicher Lebensmittel (z. B. Fleisch, Meeresfrüchte) über vermehrte Harnsäurebildung aus exogen zugeführten Purinen zu Gichtanfällen führen kann. Auch Fruktose-haltige Getränke haben über einen vermehrten Abbau von ATP bei der Verstoffwechslung von Fruktose eine Hyperurikämie zur Folge, wogegen bei vermehrter Alkoholzufuhr und Adipositas eine verminderte renale Harnsäureausscheidung für die Hyperurikämie ursächlich ist. Einige Lebensmittel (z. B. Milch, Kaffee) scheinen einen harnsäuresenkenden Effekt zu haben und können Patienten explizit empfohlen werden. Mit Blick auf den Lebensstil spielen jedoch nicht nur Ernährungsfaktoren (Lebensmittel) eine wichtige Rolle. So kommt es beim aktuell sehr populären Heilfasten durch die entstehende Ketose und häufig gleichzeitig zu geringer Flüssigkeitszufuhr zu einer verminderten Harnsäureausscheidung über die Niere und konsekutiv Harnsäureanstieg. Auch Extremsport wie Marathon stellt aufgrund der katabolen Stoffwechsellage (Ketose) und hohen mechanischen Belastung (Mikrotraumata) bereits arthrotisch vorgeschädigter Gelenke einen Risikofaktor für das gehäufte Auftreten von Gichtanfällen dar. Patienten mit einer Hyperurikämie sollten als Basismaßnahme immer über eine mögliche Ernährungsumstellung beraten werden, zumal die Hyperurikämie eng mit dem metabolischen Syndrom assoziiert ist, häufigen Stoffwechselkrankheiten wie Diabetes mellitus, Hyperlipidämien und Adipositas, die ebenfalls durch eine Lebensstilmodifikation günstig zu beeinflussen sind. Eine manifeste (langjährige) Gicht kann allerdings durch eine alleinige Ernährungsumstellung nur selten erfolgreich behandelt werden. Der Zusammenhang zwischen Lebensstil und Gicht ist seit Jahrhunderten bekannt. Leider beschränken sich die wenigen Studien zu diesem Thema meist auf epidemiologische Erhebungen, über die in dieser Arbeit eine Übersicht gegeben werden soll.
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Analysis of the Relationship between Asthma and Coffee/Green Tea/Soda Intake. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2020; 17:ijerph17207471. [PMID: 33066553 PMCID: PMC7602133 DOI: 10.3390/ijerph17207471] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/01/2020] [Revised: 10/08/2020] [Accepted: 10/10/2020] [Indexed: 12/21/2022]
Abstract
This study aimed to evaluate the association between asthma and the intake of coffee/green tea/soda. We used Health Examinee data from the Korean Genome and Epidemiology Study (2004–2016). The participants (n = 3146 with asthma; n = 158,902 non-asthma) were asked about the frequency and amount of their coffee/green tea/soda intake. Multiple logistic regression analyses were used to calculate the adjusted odds ratios (aORs) with 95% confidence intervals (CIs) for asthma according to the frequency and amount of coffee/green tea/soda intake. Compared to the group consuming no coffee, the aORs for asthma were 0.82 (95% CI = 0.73–0.93, p = 0.002) in the group consuming coffee 1–2 times/day and 0.87 (95% CI = 0.78–0.97, p = 0.011) in the group consuming coffee in quantities of 1 cup, respectively. However, the frequency and amount of green tea and soda consumption were not significantly associated with asthma after adjusting for coffee consumption (all p > 0.05). These findings were consistent in the female subgroup (1–2 times/day: aOR = 0.76, 95% CI = 0.66–0.87, p < 0.001, and 1 cup each time: aOR = 0.79, 95% CI = 0.70–0.90, p < 0.001) but not in the male subgroup. Drinking 1 cup of coffee each time and 1–2 times per day may have protective effects against asthma in a Korean population. However, the associations between asthma and green tea/soda cannot be clearly established.
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Valsaraj R, Singh AK, Gangopadhyay KK, Ghoshdastidar B, Goyal G, Batin M, Mukherjee D, Sengupta U, Chatterjee S, Sengupta N. Management of asymptomatic hyperuricemia: Integrated Diabetes & Endocrine Academy (IDEA) consensus statement. Diabetes Metab Syndr 2020; 14:93-100. [PMID: 31991299 DOI: 10.1016/j.dsx.2020.01.007] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/17/2019] [Revised: 01/13/2020] [Accepted: 01/14/2020] [Indexed: 02/07/2023]
Abstract
AIM The definition and management of asymptomatic hyperuricemia has been an area of controversy for many decades. Debate persists regarding the benefit of treating all cases of asymptomatic hyperuricemia and hence, unsurprisingly there are no clear clinical practice guidelines from our country. PARTICIPANTS Ten members consisting of eminent physicians, endocrinologists, nephrologist and a rheumatologist were selected by the Integrated Diabetes & Endocrine Academy (IDEA) for a closed meeting with the aim to come to a consensus. EVIDENCE A literature search was performed using PubMed and Cochrane library following which published articles in indexed peer review journals were selected. CONSENSUS PROCESS Each participant voiced their opinion after reviewing the available data and a consensus was reached after three meetings by voting. CONCLUSION Recommendations were made on important areas such as definition, investigation and management of asymptomatic hyperuricemia.
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Affiliation(s)
- Rahul Valsaraj
- Department of Endocrinology, Nilratan Sircar Medical College and Hospital, Kolkata, West Bengal, India.
| | | | | | - Biswajit Ghoshdastidar
- Division of Internal Medicine, Woodlands Multispeciality Hospital, Kolkata, West Bengal, India.
| | - Ghanshyam Goyal
- Department of Diabetology, ILS Hospitals, Kolkata, West Bengal, India; Department of Diabetes, S V S Marwari Hospital, Kolkata, West Bengal, India.
| | - Masood Batin
- Medicine and Diabeto-cardiology, Mission of Mercy Hospital, GD Hospital and Diabetes Institute and Islamia Hospital, Kolkata, West Bengal, India.
| | - Dibyendu Mukherjee
- Medicine & Chief of Rheumatology Clinic, K.P.C Medical College, Kolkata, West Bengal, India.
| | - Upal Sengupta
- Nephrology, Fortis Hospitals, Kolkata, India, West Bengal, India.
| | - Sanjay Chatterjee
- Nutrition & Diabetes, Department of Diabetes & Endocrinology, Apollo Gleneagles Hospitals, Kolkata, West Bengal, India.
| | - Nilanjan Sengupta
- Department of Endocrinology, Nilratan Sircar Medical College and Hospital, Kolkata, West Bengal, India.
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Contribution of Rare Variants of the SLC22A12 Gene to the Missing Heritability of Serum Urate Levels. Genetics 2020; 214:1079-1090. [PMID: 32005656 PMCID: PMC7153932 DOI: 10.1534/genetics.119.303006] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2019] [Accepted: 01/27/2020] [Indexed: 12/15/2022] Open
Abstract
Gout is a common arthritis caused by monosodium urate crystals. The heritability of serum urate levels is estimated to be 30-70%; however, common genetic variants account for only 7.9% of the variance in serum urate levels. This discrepancy is an example of "missing heritability." The "missing heritability" suggests that variants associated with uric acid levels are yet to be found. By using genomic sequences of the ToMMo cohort, we identified rare variants of the SLC22A12 gene that affect the urate transport activity of URAT1. URAT1 is a transporter protein encoded by the SLC22A12 gene. We grouped the participants with variants affecting urate uptake by URAT1 and analyzed the variance of serum urate levels. The results showed that the heritability explained by the SLC22A12 variants of men and women exceeds 10%, suggesting that rare variants underlie a substantial portion of the "missing heritability" of serum urate levels.
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40
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Non-pharmacological and Food Gout Management: Current and Future Directions. Fam Med 2019. [DOI: 10.30841/2307-5112.5-6.2019.194833] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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41
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Stewart DJ, Langlois V, Noone D. Hyperuricemia and Hypertension: Links and Risks. Integr Blood Press Control 2019; 12:43-62. [PMID: 31920373 PMCID: PMC6935283 DOI: 10.2147/ibpc.s184685] [Citation(s) in RCA: 49] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2019] [Accepted: 11/27/2019] [Indexed: 12/19/2022] Open
Abstract
Hyperuricemia has long been recognized to be associated with increased cardiovascular risk, including risk of developing hypertension. Epidemiological findings suggest that the link with hypertension is stronger in children and adolescents. Uric acid acts as a strong antioxidant compound in the extracellular environment but has pro-inflammatory effects within the intracellular setting. A chronic phase of microvascular injury is known to occur after prolonged periods of hyperuricemia. This is proposed to contribute to afferent arteriolopathy and elevation of blood pressure that may become unresponsive to uric acid-lowering therapies over time. Studies have struggled to infer direct causality of hyperuricemia due to a vast number of confounders including body mass index. The aim of this review is to present the available data and highlight the need for large scale prospective randomized controlled trials in this area. At present, there is limited evidence to support a role for uric acid-lowering therapies in helping mitigate the risk of hypertension.
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Affiliation(s)
- Douglas J Stewart
- Division of Nephrology, The Hospital for Sick Children, Toronto, Ontario M5G 1X8, Canada
| | - Valerie Langlois
- Division of Nephrology, The Hospital for Sick Children, Toronto, Ontario M5G 1X8, Canada.,Department of Paediatrics, University of Toronto, Toronto, Ontario M5G 1X8, Canada
| | - Damien Noone
- Division of Nephrology, The Hospital for Sick Children, Toronto, Ontario M5G 1X8, Canada.,Department of Paediatrics, University of Toronto, Toronto, Ontario M5G 1X8, Canada
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42
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Wu B, Roseland JM, Haytowitz DB, Pehrsson PR, Ershow AG. Availability and quality of published data on the purine content of foods, alcoholic beverages, and dietary supplements. J Food Compost Anal 2019. [DOI: 10.1016/j.jfca.2019.103281] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
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43
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Wishart DS. Metabolomics for Investigating Physiological and Pathophysiological Processes. Physiol Rev 2019; 99:1819-1875. [PMID: 31434538 DOI: 10.1152/physrev.00035.2018] [Citation(s) in RCA: 479] [Impact Index Per Article: 95.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
Metabolomics uses advanced analytical chemistry techniques to enable the high-throughput characterization of metabolites from cells, organs, tissues, or biofluids. The rapid growth in metabolomics is leading to a renewed interest in metabolism and the role that small molecule metabolites play in many biological processes. As a result, traditional views of metabolites as being simply the "bricks and mortar" of cells or just the fuel for cellular energetics are being upended. Indeed, metabolites appear to have much more varied and far more important roles as signaling molecules, immune modulators, endogenous toxins, and environmental sensors. This review explores how metabolomics is yielding important new insights into a number of important biological and physiological processes. In particular, a major focus is on illustrating how metabolomics and discoveries made through metabolomics are improving our understanding of both normal physiology and the pathophysiology of many diseases. These discoveries are yielding new insights into how metabolites influence organ function, immune function, nutrient sensing, and gut physiology. Collectively, this work is leading to a much more unified and system-wide perspective of biology wherein metabolites, proteins, and genes are understood to interact synergistically to modify the actions and functions of organelles, organs, and organisms.
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Affiliation(s)
- David S Wishart
- Departments of Biological Sciences and Computing Science, University of Alberta, Edmonton, Alberta, Canada
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44
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Abstract
Gout is a chronic disease caused by monosodium urate (MSU) crystal deposition. Gout typically presents as an acute, self-limiting inflammatory monoarthritis that affects the joints of the lower limb. Elevated serum urate level (hyperuricaemia) is the major risk factor for MSU crystal deposition and development of gout. Although traditionally considered a disorder of purine metabolism, altered urate transport, both in the gut and the kidneys, has a key role in the pathogenesis of hyperuricaemia. Anti-inflammatory agents, such corticosteroids, NSAIDs and colchicine, are widely used for the treatment of gout flare; recognition of the importance of NLRP3 inflammasome activation and bioactive IL-1β release in initiation of the gout flare has led to the development of anti-IL-1β biological therapy for gout flares. Sustained reduction in serum urate levels using urate-lowering therapy is vital in the long-term management of gout, which aims to dissolve MSU crystals, suppress gout flares and resolve tophi. Allopurinol is the first-line urate-lowering therapy and should be started at a low dose, with gradual dose escalation. Low-dose anti-inflammatory therapies can reduce gout flares during initiation of urate-lowering therapy. Models of care, such as nurse-led strategies that focus on patient engagement and education, substantially improve clinical outcomes and now represent best practice for gout management.
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45
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Roumeliotis S, Roumeliotis A, Dounousi E, Eleftheriadis T, Liakopoulos V. Dietary Antioxidant Supplements and Uric Acid in Chronic Kidney Disease: A Review. Nutrients 2019; 11:nu11081911. [PMID: 31443225 PMCID: PMC6723425 DOI: 10.3390/nu11081911] [Citation(s) in RCA: 66] [Impact Index Per Article: 13.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2019] [Revised: 08/10/2019] [Accepted: 08/12/2019] [Indexed: 02/07/2023] Open
Abstract
Increased serum levels of uric acid have been associated with the onset and development of chronic kidney disease (CKD), cardiovascular disease, and mortality, through several molecular pathogenetic mechanisms, such as inflammation and oxidative stress. Oxidative stress is present even in the early stages of CKD, progresses parallelly with the deterioration of kidney function, and is even more exacerbated in end-stage renal disease patients undergoing maintenance hemodialysis. Although acting in the plasma as an antioxidant, once uric acid enters the intracellular environment; it behaves as a powerful pro-oxidant. Exogenous intake of antioxidants has been repeatedly shown to prevent inflammation, atherosclerosis and oxidative stress in CKD patients. Moreover, certain antioxidants have been proposed to exert uric acid-lowering properties. This review aims to present the available data regarding the effects of antioxidant supplements on both oxidative stress and uric acid serum levels, in a population particularly susceptible to oxidative damage such as CKD patients.
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Affiliation(s)
- Stefanos Roumeliotis
- Division of Nephrology and Hypertension, 1st Department of Internal Medicine, AHEPA Hospital, School of Medicine, Aristotle University of Thessaloniki, Thessaloniki 54636, Greece
| | - Athanasios Roumeliotis
- Division of Nephrology and Hypertension, 1st Department of Internal Medicine, AHEPA Hospital, School of Medicine, Aristotle University of Thessaloniki, Thessaloniki 54636, Greece
| | - Evangelia Dounousi
- Department of Nephrology, School of Medicine, University of Ioannina, Ioannina 45110, Greece
| | | | - Vassilios Liakopoulos
- Division of Nephrology and Hypertension, 1st Department of Internal Medicine, AHEPA Hospital, School of Medicine, Aristotle University of Thessaloniki, Thessaloniki 54636, Greece.
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46
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Masuda T, Fukuyama Y, Doi S, Masuda A, Kurosawa S, Fujii S. Effects of Temperature on the Composition and Xanthine Oxidase Inhibitory Activities of Caffeic Acid Roasting Products. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2019; 67:8977-8985. [PMID: 31334649 DOI: 10.1021/acs.jafc.9b03633] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
The high-temperature treatment of caffeic acid by a model reaction for the processing of foods by roasting enhanced its xanthine oxidase (XO) inhibitory activity. The thermal reaction products included various oligomeric compounds, whose structures were determined as being produced via the intermediate 4-vinylcatechol. Measurements of their XO inhibitory activities were also carried out. Among the identified oligomers, the coupling products of caffeic acid and vinylcatechol, which were mainly produced at 140-170 °C, presented stronger XO inhibitory activities than the other types of oligomers produced. Further reacted compounds, which were mainly formed at 200 °C by the addition or elimination of catechol unit in the oligomers, displayed weaker activities. These results indicated that thermal enhancement of the XO inhibitory activity of caffeic acid can be explained by the differences in the XO inhibitory activities of the various constituents of the thermal reaction products. Caffeic acid and its derivatives are polyphenols found widely distributed in foods. Moreover, XO inhibition is closely related to the prevention of the life-style-related disease gout. The results suggest that a simple roasting process (170 °C) can lend useful human-health-related functionalities to caffeic acid containing foods such as coffee.
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Affiliation(s)
- Toshiya Masuda
- Graduate School of Human Life Science , Osaka City University , Sumiyoshi, Osaka 558-8585 , Japan
| | - Yuya Fukuyama
- Graduate School of Human Life Science , Osaka City University , Sumiyoshi, Osaka 558-8585 , Japan
| | - Sayaka Doi
- Graduate School of Human Life Science , Osaka City University , Sumiyoshi, Osaka 558-8585 , Japan
| | - Akiko Masuda
- Faculty of Human Life Science , Shikoku University , Tokushima 771-1192 , Japan
| | - Shinichiro Kurosawa
- Technical Research and Development Institute , Ajinomoto AGF, Inc. , Sanken Building, 3-25-1 , Hyakunin-cho Shinjuku-ku, Tokyo 169-0073 , Japan
| | - Shigeyoshi Fujii
- Technical Research and Development Institute , Ajinomoto AGF, Inc. , Sanken Building, 3-25-1 , Hyakunin-cho Shinjuku-ku, Tokyo 169-0073 , Japan
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47
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Chen Y, Ning Y, Kao SL, Støer NC, Müller-Riemenschneider F, Venkataraman K, Khoo EYH, Tai ES, Tan CS. Using marginal standardisation to estimate relative risk without dichotomising continuous outcomes. BMC Med Res Methodol 2019; 19:165. [PMID: 31357938 PMCID: PMC6664591 DOI: 10.1186/s12874-019-0778-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2018] [Accepted: 06/18/2019] [Indexed: 01/18/2023] Open
Abstract
Background Although criticisms regarding the dichotomisation of continuous variables are well known, applying logit model to dichotomised outcomes is the convention because the odds ratios are easily obtained and they approximate the relative risks (RRs) for rare events. Methods To avoid dichotomisation when estimating RR, the marginal standardisation method that transforms estimates from logit or probit model to RR estimate is extended to include estimates from linear model in the transformation. We conducted a simulation study to compare the statistical properties of the estimates from: (i) marginal standardisation method between models for continuous (i.e., linear model) and dichotomised outcomes (i.e., logit or probit model), and (ii) marginal standardisation method and distributional approach (i.e., marginal mean method) applied to linear model. We also compared the diagnostic test for probit, logit and linear models. For the real dataset analysis, we applied these analytical approaches to assess the management of inpatient hyperglycaemia in a pilot intervention study. Results Although the RR estimates from the marginal standardisation method were generally unbiased for all models in the simulation study, the marginal standardisation method for linear model provided estimates with higher precision and power than logit or probit model, especially when the baseline risks were at the extremes. When comparing approaches that avoid dichotomisation, RR estimates from these approaches had comparable performance. Assessing the assumption of error distribution was less powerful for logit or probit model via link test when compared with diagnostic test for linear model. After accounting for multiple thresholds representing varying levels of severity in hyperglycaemia, marginal standardisation method for linear model provided stronger evidence of reduced hyperglycaemia risk after intervention in the real dataset analysis although the RR estimates were similar across various approaches. Conclusions When compared with approaches that do not avoid dichotomisation, the RR estimated from linear model is more precise and powerful, and the diagnostic test from linear model is more powerful in detecting mis-specified error distributional assumption than the diagnostic test from logit or probit model. Our work describes and assesses the methods available to analyse data involving studies of continuous outcomes with binary representations. Electronic supplementary material The online version of this article (10.1186/s12874-019-0778-9) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Ying Chen
- Saw Swee Hock School of Public Health, National University of Singapore, Singapore, Singapore
| | - Yilin Ning
- NUS Graduate School for Integrative Sciences and Engineering, National University of Singapore, Singapore, Singapore.,Department of Surgery, Yong Loo Lin School of Medicine, National University of Singapore and National University Hospital System, Singapore, Singapore
| | - Shih Ling Kao
- Department of Medicine, National University Hospital, Singapore, Singapore.,Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | - Nathalie C Støer
- Norwegian National Advisory Unit on Women's Health, Oslo University Hospital, Oslo, Norway
| | | | - Kavita Venkataraman
- Saw Swee Hock School of Public Health, National University of Singapore, Singapore, Singapore
| | - Eric Yin Hao Khoo
- Department of Medicine, National University Hospital, Singapore, Singapore.,Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | - E-Shyong Tai
- Department of Medicine, National University Hospital, Singapore, Singapore.,Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | - Chuen Seng Tan
- Saw Swee Hock School of Public Health, National University of Singapore, Singapore, Singapore.
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48
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Koguchi T, Tadokoro T. Beneficial Effect of Dietary Fiber on Hyperuricemia in Rats and Humans: A Review. INT J VITAM NUTR RES 2019; 89:89-108. [PMID: 30789803 DOI: 10.1024/0300-9831/a000548] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Hyperuricemia is recognized as a lifestyle-related disease and the prevalence is increasing in many parts of the world. Excessive intake of purines increases serum uric acid concentration and is thought to be one factor causative of hyperuricemia. Therefore, it is thought that prevention of hyperuricemia by dietary control may be very important. This is an article of our basic research regarding the role of dietary fiber in the suppression of hyperuricemia induced by dietary purines in rats; in addition, clinical research suggesting the possibility that dietary fiber intake has a beneficial effect on the prevention or suppression of hyperuricemia in humans is discussed. Our own studies reveal that the test dietary fiber significantly suppresses the elevation of serum uric acid concentration induced by dietary RNA (12.3-46.2%), adenosine-5'-monophosphate (9.5-23.2%), adenosine (10.7-20.4%), or adenine (16.3-38.9%) and suppresses experimental hyperuricemia in rats. The mechanism is presumed to be mediated by suppression of the digestion and/or absorption of dietary purines by dietary fiber. In clinical studies, intake of dietary fiber decreases serum uric acid concentrations. Reports of recent epidemiological studies indicate that higher levels of hyperuricemia increase the prevalence of its comorbidities (e.g., chronic kidney disease, obesity, hypertension, diabetes, and cardiovascular disease) and dietary fiber intake is associated with significantly lower risk for hyperuricemia and its comorbidities. We wish to emphasize the importance of recognizing the validity of increased dietary fiber intake as a preventive or suppressive method for hyperuricemia and its comorbidities.
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Affiliation(s)
- Takashi Koguchi
- 1Department of Human Education, Kokugakuin Tochigi Junior College, 608 Hirai-cho, Tochigi-Shi, Tochigi 328-8588, Japan
| | - Tadahiro Tadokoro
- 2Department of Administrative Nutrition, Faculty of Health and Nutrition, Tokyo Seiei College, 1-4-6, Nishishinkoiwa, Katsushika-ku, Tokyo 124-8530, Japan
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49
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Mehmood A, Ishaq M, Zhao L, Safdar B, Rehman AU, Munir M, Raza A, Nadeem M, Iqbal W, Wang C. Natural compounds with xanthine oxidase inhibitory activity: A review. Chem Biol Drug Des 2019; 93:387-418. [PMID: 30403440 DOI: 10.1111/cbdd.13437] [Citation(s) in RCA: 71] [Impact Index Per Article: 14.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2018] [Revised: 10/10/2018] [Accepted: 10/27/2018] [Indexed: 02/06/2023]
Abstract
Hyperuricemia (HUA), a disease due to an elevation of body uric acid level and responsible for various diseases such as gout, cardiovascular disorders, and renal failure, is a major ground debate for the medical science these days. Considering the risk factors linked with allopathic drugs for the treatment of this disease, the debate has now become a special issue. Previously, we critically discussed the role of dietary polyphenols in the treatment of HUA. Besides dietary food plants, many researchers figure out the tremendous effects of medicinal plants-derived phytochemicals against HUA. Keeping in mind all these aspects, we reviewed all possible managerial studies related to HUA through medicinal plants (isolated compounds). In the current review article, we comprehensively discussed various bioactive compounds, chemical structures, and structure-activity relationship with responsible key enzyme xanthine oxidase.
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Affiliation(s)
- Arshad Mehmood
- Beijing Advance Innovation center for Food Nutrition and Human Health, Beijing Technology and Business University, Beijing, China.,Beijing Engineering and Technology Research Center of Food Additives, School of Food and Chemical Technology, Beijing Technology and Business University, Beijing, China
| | - Muhammad Ishaq
- Beijing Advance Innovation center for Food Nutrition and Human Health, Beijing Technology and Business University, Beijing, China.,Beijing Engineering and Technology Research Center of Food Additives, School of Food and Chemical Technology, Beijing Technology and Business University, Beijing, China
| | - Lei Zhao
- Beijing Advance Innovation center for Food Nutrition and Human Health, Beijing Technology and Business University, Beijing, China.,Beijing Engineering and Technology Research Center of Food Additives, School of Food and Chemical Technology, Beijing Technology and Business University, Beijing, China
| | - Bushra Safdar
- Beijing Advance Innovation center for Food Nutrition and Human Health, Beijing Technology and Business University, Beijing, China.,Beijing Engineering and Technology Research Center of Food Additives, School of Food and Chemical Technology, Beijing Technology and Business University, Beijing, China
| | - Ashfaq-Ur Rehman
- Department of Bioinformatics and Biostatistics, National Experimental Teaching Center for Life Science and Biotechnology, College of Life Science and Biotechnology, Shanghai Jiao Tong University, Shanghai, China
| | - Masooma Munir
- Food Science Research Institute, National Agricultural Research Centre, Islamabad, Pakistan.,Institute of Food Science and Nutrition, University of Sargodha, Sargodha, Pakistan
| | - Ali Raza
- Beijing Advance Innovation center for Food Nutrition and Human Health, Beijing Technology and Business University, Beijing, China.,Beijing Engineering and Technology Research Center of Food Additives, School of Food and Chemical Technology, Beijing Technology and Business University, Beijing, China
| | - Muhammad Nadeem
- Institute of Food Science and Nutrition, University of Sargodha, Sargodha, Pakistan
| | - Waheed Iqbal
- College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen, China
| | - Chengtao Wang
- Beijing Advance Innovation center for Food Nutrition and Human Health, Beijing Technology and Business University, Beijing, China.,Beijing Engineering and Technology Research Center of Food Additives, School of Food and Chemical Technology, Beijing Technology and Business University, Beijing, China
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50
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Zeindlhofer V, Berger M, Steinhauser O, Schröder C. A shell-resolved analysis of preferential solvation of coffee ingredients in aqueous mixtures of the ionic liquid 1-ethyl-3-methylimidazolium acetate. J Chem Phys 2018; 148:193819. [PMID: 30307218 DOI: 10.1063/1.5009802] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023] Open
Abstract
Ionic liquids increase the solubility of various coffee ingredients in aqueous solution but little is known about the underlying mechanism. Kirkwood-Buff integrals as well as the potential of mean force indicate that the imidazolium cations are accumulated at the surface of the solutes, removing water molecules from the solute surface. Although hydrogen bonding of the anions to hydroxy groups of the solutes can be detected, their concentration at the surface is less enhanced compared to the cations. The decomposition into solvation shells by Voronoi tessellation reveals that structural features are only observed in the first solvation shell. Nevertheless, the depletion of water and the excess concentration of the ions and, in particular, of the cations are visible in the next solvation shells as well. Therefore, classical arguments of hydrotropic theory fail to explain this behavior.
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Affiliation(s)
- Veronika Zeindlhofer
- Faculty of Chemistry, Department of Computational Biological Chemistry, University of Vienna, Vienna A-1090, Austria
| | - Magdalena Berger
- Faculty of Chemistry, Department of Computational Biological Chemistry, University of Vienna, Vienna A-1090, Austria
| | - Othmar Steinhauser
- Faculty of Chemistry, Department of Computational Biological Chemistry, University of Vienna, Vienna A-1090, Austria
| | - Christian Schröder
- Faculty of Chemistry, Department of Computational Biological Chemistry, University of Vienna, Vienna A-1090, Austria
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