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Lee YH, Lee JH, Jeon SM, Park IK, Jang HB, Kim SA, Park SD, Shim JJ, Hong SS, Lee JH. The Effect of Organic Vegetable Mixed Juice on Blood Circulation and Intestine Flora: Randomized, Double-Blinded, Placebo-Controlled Clinical Trial. Diseases 2024; 12:223. [PMID: 39329892 PMCID: PMC11431145 DOI: 10.3390/diseases12090223] [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: 08/01/2024] [Revised: 09/09/2024] [Accepted: 09/11/2024] [Indexed: 09/28/2024] Open
Abstract
Epidemiological evidence suggests that fruit and vegetable intake significantly positively affects cardiovascular health. Since vegetable juice is more accessible than raw vegetables, it attracts attention as a health functional food for circulatory diseases. Therefore, this study measured blood lipids, antioxidants, blood circulation indicators, and changes in the microbiome to confirm the effect of organic vegetable mixed juice (OVJ) on improving blood circulation. This 4-week, randomized, double-blinded, placebo-controlled study involved adult men and women with borderline total cholesterol (TC) and low-density lipoprotein (LDL) levels. As a result, blood lipid profile indicators, such as TC, triglycerides, LDL cholesterol, and apolipoprotein B, decreased (p < 0.05) in the OVJ group compared with those in the placebo group. Additionally, the antioxidant biomarker superoxide dismutase increased (p < 0.05). In contrast, systolic and diastolic blood viscosities, as blood circulation-related biomarkers, decreased (p < 0.05) in the OVJ group compared with those in the placebo group. After the intervention, a fecal microbiome analysis confirmed differences due to changes in the intestinal microbiome composition between the OVJ and placebo groups. In conclusion, our research results confirmed that consuming OVJ improves blood circulation by affecting the blood lipid profile, antioxidant enzymes, and microbiome changes.
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Affiliation(s)
- Yun-Ha Lee
- R&BD Center, Hy Co., Ltd., 22, Giheungdanji-ro 24beon-gil, Giheung-gu, Yongin-si 17086, Republic of Korea; (Y.-H.L.); (J.-H.L.); (S.-M.J.); (I.-K.P.); (H.-B.J.); (S.-A.K.); (S.-D.P.); (J.-J.S.)
| | - Jae-Ho Lee
- R&BD Center, Hy Co., Ltd., 22, Giheungdanji-ro 24beon-gil, Giheung-gu, Yongin-si 17086, Republic of Korea; (Y.-H.L.); (J.-H.L.); (S.-M.J.); (I.-K.P.); (H.-B.J.); (S.-A.K.); (S.-D.P.); (J.-J.S.)
| | - Soo-Min Jeon
- R&BD Center, Hy Co., Ltd., 22, Giheungdanji-ro 24beon-gil, Giheung-gu, Yongin-si 17086, Republic of Korea; (Y.-H.L.); (J.-H.L.); (S.-M.J.); (I.-K.P.); (H.-B.J.); (S.-A.K.); (S.-D.P.); (J.-J.S.)
| | - Il-Kyu Park
- R&BD Center, Hy Co., Ltd., 22, Giheungdanji-ro 24beon-gil, Giheung-gu, Yongin-si 17086, Republic of Korea; (Y.-H.L.); (J.-H.L.); (S.-M.J.); (I.-K.P.); (H.-B.J.); (S.-A.K.); (S.-D.P.); (J.-J.S.)
| | - Hyun-Bin Jang
- R&BD Center, Hy Co., Ltd., 22, Giheungdanji-ro 24beon-gil, Giheung-gu, Yongin-si 17086, Republic of Korea; (Y.-H.L.); (J.-H.L.); (S.-M.J.); (I.-K.P.); (H.-B.J.); (S.-A.K.); (S.-D.P.); (J.-J.S.)
| | - Soo-A Kim
- R&BD Center, Hy Co., Ltd., 22, Giheungdanji-ro 24beon-gil, Giheung-gu, Yongin-si 17086, Republic of Korea; (Y.-H.L.); (J.-H.L.); (S.-M.J.); (I.-K.P.); (H.-B.J.); (S.-A.K.); (S.-D.P.); (J.-J.S.)
| | - Soo-Dong Park
- R&BD Center, Hy Co., Ltd., 22, Giheungdanji-ro 24beon-gil, Giheung-gu, Yongin-si 17086, Republic of Korea; (Y.-H.L.); (J.-H.L.); (S.-M.J.); (I.-K.P.); (H.-B.J.); (S.-A.K.); (S.-D.P.); (J.-J.S.)
| | - Jae-Jung Shim
- R&BD Center, Hy Co., Ltd., 22, Giheungdanji-ro 24beon-gil, Giheung-gu, Yongin-si 17086, Republic of Korea; (Y.-H.L.); (J.-H.L.); (S.-M.J.); (I.-K.P.); (H.-B.J.); (S.-A.K.); (S.-D.P.); (J.-J.S.)
| | - Seong-Soo Hong
- Department of Gastroenterology, Vievis Namuh Hospital, 627, Nonhyeon-ro, Gangnam-gu, Seoul 06117, Republic of Korea
| | - Jae-Hwan Lee
- R&BD Center, Hy Co., Ltd., 22, Giheungdanji-ro 24beon-gil, Giheung-gu, Yongin-si 17086, Republic of Korea; (Y.-H.L.); (J.-H.L.); (S.-M.J.); (I.-K.P.); (H.-B.J.); (S.-A.K.); (S.-D.P.); (J.-J.S.)
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Mirzababaei A, Mahmoodi M, Keshtkar A, Ebrahimi S, Pashayee-Khamene F, Abaj F, Radmehr M, Khalili P, Mehri Hajmir M, Mirzaei K. The interaction between dietary nitrates/nitrites intake and gut microbial metabolites on metabolic syndrome: a cross-sectional study. Front Public Health 2024; 12:1398460. [PMID: 39328991 PMCID: PMC11425044 DOI: 10.3389/fpubh.2024.1398460] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2024] [Accepted: 08/12/2024] [Indexed: 09/28/2024] Open
Abstract
Background Metabolic syndrome (MetS) prevalence has increased globally.The evidence shows thatdiet and gut microbial metabolites includingtrimethylamine N-oxide (TMAO) and kynurenine (KYN) play an important role in developing MetS. However, there is a lack of evidence on associations between between diet and these metabolites. This study aimed to investigate the interaction between dietary nitrate/nitrite and gut microbial metabolites (TMAO, KYN) on MetS and its components. Methods This cross-sectional study included 250 adults aged 20-50 years. Dietary intake was assessed using food frequency questionnaires (FFQ), and serum TMAO and KYN levels were measured. MetS was defined usingthe National Cholesterol Education Program Adult Treatment Panel (NCEP ATP III) criteria. Result The ATPIII index revealed an 11% prevalence of metabolic syndrome among the study participants. After adjusting for confounders, significant positive interactions were found: High animal-source nitrate intake and high TMAO levels with elevated triglycerides (TG) (p interaction = 0.07) and abdominal obesity (p interaction = 0.08). High animal-source nitrate intake and high KYN levels with increased TG (p interaction = 0.01) and decreased high-density lipoprotein cholesterol (HDL) (p interaction = 0.01).Individuals with high animal-source nitrite intake and high TMAO levels showed increased risk of hypertriglyceridemia (OR: 1.57, 95%CI: 0.35-2.87, p = 0.05), hypertension (OR: 1.53, 95%CI: 0.33-2.58, p = 0.06), and lower HDL (OR: 1.96, 95%CI: 0.42-2.03, p = 0.04). Similarly, high animal-source nitrite intake with high KYN levels showed lower HDL (OR: 2.44, 95%CI: 1.92-3.89, p = 0.07) and increased risk of hypertension (OR: 2.17,95%CI: 1.69-3.40, p = 0.05). Conversely, Negative interactions were found between high plant-source nitrate/nitrite intake with high KYN and TMAO levels on MetS and some components. Conclusion There is an interaction between dietary nitrate/nitrite source (animal vs. plant) and gut microbial metabolites (TMAO and KYN) on the risk of of MetS and its components. These findings highlight the importance of considering diet, gut microbiome metabolites, and their interactions in MetS risk assessment.
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Affiliation(s)
- Atieh Mirzababaei
- Department of Community Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences, Tehran, Iran
| | - Maryam Mahmoodi
- Department of Cellular and Molecular Nutrition, School of Nutritional Science and Dietetics, Tehran University of Medical Sciences, Tehran, Iran
| | - Abbasali Keshtkar
- Department of Disaster and Emergency Health, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | - Sara Ebrahimi
- Institute for Physical Activity and Nutrition (IPAN), School of Exercise and Nutrition Sciences, Deakin University, Geelong, VIC, Australia
| | | | - Faezeh Abaj
- Department of Nutrition, Dietetics and Food, Monash University, Clayton, VIC, Australia
| | - Mina Radmehr
- Department of Nutrition, Science and Research Branch, Islamic Azad University, Tehran, Iran
| | - Pardis Khalili
- Department of Nutrition, Science and Research Branch, Islamic Azad University, Tehran, Iran
| | - Mahya Mehri Hajmir
- Department of Exercise and Nutrition Sciences, Milken Institute School of Public Health, The George Washington University, Washington, DC, United States
| | - Khadijeh Mirzaei
- Department of Community Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences, Tehran, Iran
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Jamasali YD, Turhan Ş, Bakır TK, Altuner EM, Duran C, Hançerlioğulları A, Kurnaz A. Evaluation of radiological health risk due to ingestion and inhalation of radon in commercial packaged fruit juices consumed in Turkey. INTERNATIONAL JOURNAL OF ENVIRONMENTAL HEALTH RESEARCH 2024; 34:3101-3111. [PMID: 38131128 DOI: 10.1080/09603123.2023.2297712] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/07/2023] [Accepted: 12/13/2023] [Indexed: 12/23/2023]
Abstract
Fruit juices (FJs) are among the most popular beverages frequently preferred by consumers, believing FJs contain the nutritional values, minerals, phytochemicals, vitamins, and antioxidants necessary for a healthy life. However, FJs may contain natural radionuclides such as radon (222Rn), which originates from the fruit and water utilized in their production, at levels that may pose a health risk to people. Inhalation and ingestion of 222Rn gas increases the risk of lung and stomach cancer. In this study, commercially packaged FJs from the seventeen most popular brands consumed in Turkey were analyzed for physicochemical properties and 222Rn activity concentrations to evaluate the radiological health risk. The values of pH, brix and 222Rn activity concentrations in FJ samples varied from 2.68 to 4.28, 2.50 to 14.30%, 9.6 ± 1.1 to 25.2 ± 2.5 mBq/L, respectively. The radiological health risk caused by internal exposure was evaluated for children and adults by estimating the ingestion and inhalation annual effective dose. The average values of the total annual effective dose for children and adults were found as 0.039 µSv and 0.056 µSv, respectively, which are much lower than the recommended dose of 100 µSv for drinking water.
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Affiliation(s)
- Yusof-den Jamasali
- Department of Physics, Faculty of Science, Kastamonu University, Kastamonu, Türkiye
- Department of Physics, College of Natural Sciences and Mathematics, Mindanao State University, Marawi City, Philippines
| | - Şeref Turhan
- Department of Physics, Faculty of Science, Kastamonu University, Kastamonu, Türkiye
| | - Temel K Bakır
- Department of Chemistry, Faculty of Science, Kastamonu University, Kastamonu, Türkiye
| | - Ergin M Altuner
- Department of Biology, Faculty of Science, Kastamonu University, Kastamonu, Türkiye
| | - Celalattin Duran
- Department of Geography, Faculty of Humanities and Social Sciences, Kastamonu University, Kastamonu, Türkiye
| | | | - Aslı Kurnaz
- Department of Physics, Faculty of Science, Kastamonu University, Kastamonu, Türkiye
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Gonzalez JT. Are all sugars equal? Role of the food source in physiological responses to sugars with an emphasis on fruit and fruit juice. Eur J Nutr 2024; 63:1435-1451. [PMID: 38492022 PMCID: PMC11329689 DOI: 10.1007/s00394-024-03365-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2023] [Accepted: 03/01/2024] [Indexed: 03/18/2024]
Abstract
High (free) sugar intakes can increase self-reported energy intake and are associated with unfavourable cardiometabolic health. However, sugar source may modulate the effects of sugars due to several mechanisms including the food matrix. The aim of this review was to assess the current state of evidence in relation to food source effects on the physiological responses to dietary sugars in humans relevant to cardiometabolic health. An additional aim was to review potential mechanisms by which food sources may influence such responses. Evidence from meta-analyses of controlled intervention trials was used to establish the balance of evidence relating to the addition of sugars to the diet from sugar-sweetened beverages, fruit juice, honey and whole fruit on cardiometabolic outcomes. Subsequently, studies which have directly compared whole fruit with fruit juices, or variants of fruit juices, were discussed. In summary, the sources of sugars can impact physiological responses, with differences in glycaemic control, blood pressure, inflammation, and acute appetite. Longer-term effects and mechanisms require further work, but initial evidence implicates physical structure, energy density, fibre, potassium and polyphenol content, as explanations for some of the observed responses.
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Affiliation(s)
- Javier T Gonzalez
- Centre for Nutrition, Exercise and Metabolism, University of Bath, Bath, UK.
- Department for Health, University of Bath, Bath, BA2 7AY, UK.
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Garrison EC, Brown AMV, Salazar MM, Barr B, Moustaid-Moussa N, Gollahon LS. Microbiome Taxonomic and Functional Differences in C3H/HeJ Mice Fed a Long-Term High-Fat Diet with Beef Protein ± Ammonium Hydroxide Supplementation. Nutrients 2024; 16:1613. [PMID: 38892546 PMCID: PMC11174526 DOI: 10.3390/nu16111613] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2024] [Revised: 05/17/2024] [Accepted: 05/21/2024] [Indexed: 06/21/2024] Open
Abstract
Studies have suggested that alkalinized foods may reduce the effects of the acidogenic Western diet in promoting obesity, metabolic syndrome, type 2 diabetes, cancer, and coronary heart disease. Indeed, a recent study in mice fed a high-fat diet containing dietary beef supplemented with ammonium hydroxide showed improvement in a suite of metabolic outcomes. However, the effects of dietary protein ammonium supplementation on the microbiome remain unknown. In this study, the effects of ammonium supplementation on beef protein towards microbiome taxa and function in a high-fat diet were analyzed. Fecal microbiomes were characterized using a shotgun metagenomic approach for 16-month-old male and female mice after long-term diet treatments. The results for ammoniated diets showed that several bacteria known to be associated with health benefits increased significantly, including Romboutsia, Oscillospiraceae, and Lactococcus cremoris. The beneficial mucin-degrader Akkermansia was especially abundant, with a high prevalence (~86%) in females. Concurrently, the phyla Actinomycetota (Actinobacteria) and Bacteroidota (Bacteroidetes) were significantly reduced. While sex was a confounding factor affecting microbiome responses to ammonium supplementation in dietary protein, it is worth noting that several putatively beneficial microbiome functions increased with ammonium supplementation, such as glycine betaine transport, xenobiotic detoxification, enhanced defense, and others. Conversely, many disease-associated microbiome functions reduced. Importantly, modifying protein pH alone via ammonium supplementation induced beneficial microbiota changes. Taken together, these results suggest that ammonium-supplemented proteins may mediate some negative microbiome-associated effects of high-fat/Western diets.
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Affiliation(s)
- Emily C. Garrison
- Department of Biological Sciences, Texas Tech University, 2500 Broadway, Lubbock, TX 79409, USA; (E.C.G.); (A.M.V.B.); (M.M.S.); (B.B.)
| | - Amanda M. V. Brown
- Department of Biological Sciences, Texas Tech University, 2500 Broadway, Lubbock, TX 79409, USA; (E.C.G.); (A.M.V.B.); (M.M.S.); (B.B.)
| | - McKinlee M. Salazar
- Department of Biological Sciences, Texas Tech University, 2500 Broadway, Lubbock, TX 79409, USA; (E.C.G.); (A.M.V.B.); (M.M.S.); (B.B.)
| | - Benjamin Barr
- Department of Biological Sciences, Texas Tech University, 2500 Broadway, Lubbock, TX 79409, USA; (E.C.G.); (A.M.V.B.); (M.M.S.); (B.B.)
| | - Naima Moustaid-Moussa
- Department of Nutritional Sciences, Texas Tech University, 2500 Broadway, Lubbock, TX 79409, USA;
- Obesity Research Institute, Texas Tech University, 2500 Broadway, Lubbock, TX 79409, USA
| | - Lauren S. Gollahon
- Department of Biological Sciences, Texas Tech University, 2500 Broadway, Lubbock, TX 79409, USA; (E.C.G.); (A.M.V.B.); (M.M.S.); (B.B.)
- Obesity Research Institute, Texas Tech University, 2500 Broadway, Lubbock, TX 79409, USA
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Lackner S, Mahnert A, Moissl-Eichinger C, Madl T, Habisch H, Meier-Allard N, Kumpitsch C, Lahousen T, Kohlhammer-Dohr A, Mörkl S, Strobl H, Holasek S. Interindividual differences in aronia juice tolerability linked to gut microbiome and metabolome changes-secondary analysis of a randomized placebo-controlled parallel intervention trial. MICROBIOME 2024; 12:49. [PMID: 38461313 PMCID: PMC10924357 DOI: 10.1186/s40168-024-01774-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/11/2023] [Accepted: 02/05/2024] [Indexed: 03/11/2024]
Abstract
BACKGROUND Aronia melanocarpa is a berry rich in polyphenols known for health benefits. However, the bioavailability of polyphenols has been questioned, and the individual taste acceptance of the fruit with its specific flavor varies. We recently observed substantial differences in the tolerability of aronia juice among healthy females, with half of the individuals tolerating aronia juice without complaints. Given the importance of the gut microbiome in food digestion, we investigated in this secondary analysis of the randomized placebo-controlled parallel intervention study (ClinicalTrials.gov registration: NCT05432362) if aronia juice tolerability was associated with changes in intestinal microbiota and bacterial metabolites, seeking for potential mechanistic insights into the impact on aronia polyphenol tolerance and metabolic outcomes. RESULTS Forty females were enrolled for this 6-week trial, receiving either 100 ml natural aronia juice (verum, V) twice daily or a polyphenol-free placebo (P) with a similar nutritional profile, followed by a 6-week washout. Within V, individuals were categorized into those who tolerated the juice well (Vt) or reported complaints (Vc). The gut microbiome diversity, as analyzed by 16S rRNA gene-based next-generation sequencing, remained unaltered in Vc but changed significantly in Vt. A MICOM-based flux balance analysis revealed pronounced differences in the 40 most predictive metabolites post-intervention. In Vc carbon-dioxide, ammonium and nine O-glycans were predicted due to a shift in microbial composition, while in Vt six bile acids were the most likely microbiota-derived metabolites. NMR metabolomics of plasma confirmed increased lipoprotein subclasses (LDL, VLDL) post-intervention, reverting after wash out. Stool samples maintained a stable metabolic profile. CONCLUSION In linking aronia polyphenol tolerance to gut microbiota-derived metabolites, our study explores adaptive processes affecting lipoprotein profiles during high polyphenol ingestion in Vt and examines effects on mucosal gut health in response to intolerance to high polyphenol intake in Vc. Our results underpin the importance of individualized hormetic dosing for beneficial polyphenol effects, demonstrate dynamic gut microbiome responses to aronia juice, and emphasize personalized responses in polyphenol interventions.
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Affiliation(s)
- Sonja Lackner
- Division of Immunology, Otto Loewi Research Center for Vascular Biology, Immunology and Inflammation, Medical University of Graz, Stiftingtalstraße 6, 8010, Graz, Austria
| | - Alexander Mahnert
- Diagnostic and Research Institute of Hygiene, Microbiology and Environmental Medicine, Medical University of Graz, Neue Stiftingtalstraße 6, 8010, Graz, Austria
| | - Christine Moissl-Eichinger
- Diagnostic and Research Institute of Hygiene, Microbiology and Environmental Medicine, Medical University of Graz, Neue Stiftingtalstraße 6, 8010, Graz, Austria
- BioTechMed-Graz, Mozartgasse 12/II, 8010, Graz, Austria
| | - Tobias Madl
- Division of Medicinal Chemistry, Otto Loewi Research Center, Medical University of Graz, Neue Stiftingtalstraße 6, 8010, Graz, Austria
- BioTechMed-Graz, Mozartgasse 12/II, 8010, Graz, Austria
| | - Hansjörg Habisch
- Division of Medicinal Chemistry, Otto Loewi Research Center, Medical University of Graz, Neue Stiftingtalstraße 6, 8010, Graz, Austria
| | - Nathalie Meier-Allard
- Division of Immunology, Otto Loewi Research Center for Vascular Biology, Immunology and Inflammation, Medical University of Graz, Stiftingtalstraße 6, 8010, Graz, Austria
| | - Christina Kumpitsch
- Diagnostic and Research Institute of Hygiene, Microbiology and Environmental Medicine, Medical University of Graz, Neue Stiftingtalstraße 6, 8010, Graz, Austria
| | - Theresa Lahousen
- Department of Psychiatry and Psychotherapeutic Medicine, Medical University of Graz, Auenbruggerplatz 31, 8036, Graz, Austria
| | - Alexandra Kohlhammer-Dohr
- Department of Psychiatry and Psychotherapeutic Medicine, Medical University of Graz, Auenbruggerplatz 31, 8036, Graz, Austria
| | - Sabrina Mörkl
- Division of Medical Psychology, Psychosomatics and Psychotherapeutic Medicine, Auenbruggerplatz 3, 8036, Graz, Austria
| | - Herbert Strobl
- Division of Immunology, Otto Loewi Research Center for Vascular Biology, Immunology and Inflammation, Medical University of Graz, Stiftingtalstraße 6, 8010, Graz, Austria
| | - Sandra Holasek
- Division of Immunology, Otto Loewi Research Center for Vascular Biology, Immunology and Inflammation, Medical University of Graz, Stiftingtalstraße 6, 8010, Graz, Austria.
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Mirzababaei A, Mahmoodi M, Abaj F, Barkhidarian B, Dehghani A, Khalili P, Roumi Z, Mirzaei K. The association of dietary nitrates/nitrites intake and the gut microbial metabolite trimethylamine N-oxide and kynurenine in adults: a population-based study. Front Nutr 2024; 11:1346074. [PMID: 38450240 PMCID: PMC10915207 DOI: 10.3389/fnut.2024.1346074] [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: 11/28/2023] [Accepted: 01/31/2024] [Indexed: 03/08/2024] Open
Abstract
Background Dietary nitrate and nitrite may affect the gut microbiota and its metabolites, such as trimethylamine N-oxide (TMAO) and kynurenine (KYN). However, this association and the exact mechanism are still unclear. Therefore, this study aimed to assess the association between dietary consumption of nitrite and nitrate on TMAO and KYN levels in adults. Methods This cross-sectional study was employed on a subsample baseline phase of the Tehran University of Medical Sciences (TUMS) Employee's Cohort Study (TEC). A total of 250 adults aged 18 years or older were included in the current analysis. Data on the dietary intakes were collected using a validated dish-based food frequency questionnaire (FFQ), and dietary intakes of nitrite and nitrate were estimated using the FFQ with 144 items. Serum profiles and TMAO and KYN were measured using a standard protocol. Results The findings of this study demonstrate a significant association between the intake of animal sources of nitrate and nitrite and the likelihood of having elevated levels of TMAO and KYN. Specifically, after adjustment, individuals with the highest intake adherence to nitrates from animal sources exhibited increased odds of having the highest level of TMAO (≥51.02 pg/ml) (OR = 1.51, 95% CI = 0.59-3.88, P = 0.03) and KYN (≥417.41 pg/ml) (OR = 1.75, 95% CI = 0.73-4.17, P = 0.02). Additionally, subjects with the highest animal intake from nitrite sources have 1.73 and 1.45 times higher odds of having the highest levels of TMAO and KYN. These results emphasize the potential implications of animal-derived nitrate and nitrite consumption on the levels of TMAO and KYN. Conclusion The present evidence indicates that a high level of nitrate and nitrite intake from animal sources can increase the odds of high levels of TMAO and KYN. Further studies suggest that we should better evaluate and understand this association.
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Affiliation(s)
- Atieh Mirzababaei
- Department of Community Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences, Tehran, Iran
| | - Maryam Mahmoodi
- Department of Cellular and Molecular Nutrition, School of Nutritional Science and Dietetics, Tehran University of Medical Sciences, Tehran, Iran
| | - Faezeh Abaj
- Department of Nutrition, Dietetics and Food, School of Clinical Sciences at Monash Health, Monash University, Clayton, VIC, Australia
| | - Bahareh Barkhidarian
- Department of Community Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences, Tehran, Iran
| | - Azadeh Dehghani
- Department of Community Nutrition, Faculty of Nutrition and Food Science, Nutrition Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Pardis Khalili
- Department of Nutrition, Science and Research Branch, Islamic Azad University, Tehran, Iran
| | - Zahra Roumi
- Department of Nutrition, Science and Research Branch, Islamic Azad University, Tehran, Iran
| | - Khadijeh Mirzaei
- Department of Community Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences, Tehran, Iran
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Polianovskaia A, Jonelis M, Cheung J. The impact of plant-rich diets on sleep: a mini-review. Front Nutr 2024; 11:1239580. [PMID: 38379547 PMCID: PMC10876799 DOI: 10.3389/fnut.2024.1239580] [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: 06/13/2023] [Accepted: 01/03/2024] [Indexed: 02/22/2024] Open
Abstract
Plant-rich diets (PRDs), also referred to as plant based diets, have been shown to have beneficial effects on various chronic diseases and all-cause mortality. However, limited data are available on the effect of such diets on sleep and sleep disorders. In this review article, we explore existing evidence and potential mechanisms by which PRDs may impact sleep and sleepiness. High-fat diets are associated with drowsiness, while fiber-rich diets improve sleep quality. Anti-inflammatory diets may benefit patients with sleep disturbances, and diets rich in tryptophan and serotonin precursors may improve sleep quality. Isoflavones and polyphenols present in PRDs may also have a positive impact on sleep. Furthermore, diets rich in plants may reduce the risk of obstructive sleep apnea and associated daytime sleepiness. Overall, the current knowledge about PRDs in sleep and sleep disorders is limited, and further research is needed to explore the potential advantages of this dietary approach in sleep disorders.
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Affiliation(s)
- Anastasiia Polianovskaia
- Department of Allergy, Pulmonary and Sleep Medicine, Mayo Clinic Jacksonville, Jacksonville, FL, United States
| | - Michelle Jonelis
- Sleep and Lifestyle Medicine Physician, Lifestyle Sleep, Mill Valley, CA, United States
| | - Joseph Cheung
- Department of Allergy, Pulmonary and Sleep Medicine, Mayo Clinic Jacksonville, Jacksonville, FL, United States
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Kanner J. Food Polyphenols as Preventive Medicine. Antioxidants (Basel) 2023; 12:2103. [PMID: 38136222 PMCID: PMC10740609 DOI: 10.3390/antiox12122103] [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: 10/29/2023] [Revised: 12/04/2023] [Accepted: 12/04/2023] [Indexed: 12/24/2023] Open
Abstract
Reactive oxygen species (ROS) are the initiators in foods and in the stomach of oxidized dietary lipids, proteins, and lipid-oxidation end-products (ALEs), inducing in humans the development of several chronic diseases and cancer. Epidemiological, human clinical and animal studies supported the role of dietary polyphenols and derivatives in prevention of development of such chronic diseases. There is much evidence that polyphenols/derivatives at the right timing and concentration, which is critical, acts mostly in the aerobic stomach and generally in the gastrointestinal tract as reducing agents, scavengers of free radicals, trappers of reactive carbonyls, modulators of enzyme activity, generators of beneficial gut microbiota and effectors of cellular signaling. In the blood system, at low concentration, they act as generators of electrophiles and low concentration of H2O2, acting mostly as cellular signaling, activating the PI3K/Akt-mediated Nrf2/eNOS pathways and inhibiting the inflammatory transcription factor NF-κB, inducing the cells, organs and organism for eustress, adaptation and surviving.
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Affiliation(s)
- Joseph Kanner
- Department of Food Science, ARO, Volcani Center, Bet-Dagan 7505101, Israel; or
- Institute of Biochemistry, Food Science and Nutrtion, Faculty of Agriculture Food and Environment, The Hebrew University of Jerusalem, Rehovot 9190501, Israel
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10
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Suo H, Shishir MRI, Wang Q, Wang M, Chen F, Cheng KW. Red Wine High-Molecular-Weight Polyphenolic Complex Ameliorates High-Fat Diet-Induced Metabolic Dysregulation and Perturbation in Gut Microbiota in Mice. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2023; 71:6882-6893. [PMID: 37126594 DOI: 10.1021/acs.jafc.2c06459] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/03/2023]
Abstract
Red wine polyphenolic complexes have attracted increasing attention as potential modulators of human metabolic disease risk. Our previous study discovered that red wine high-molecular-weight polymeric polyphenolic complexes (HPPCs) could inhibit key metabolic syndrome-associated enzymes and favorably modulate human gut microbiota (GM) in simulated colonic fermentation assay in vitro. In this work, the efficacy of HPPC supplementation (150 and 300 mg/kg/day, respectively) against high-fat diet (HFD)-induced metabolic disturbance in mice was investigated. HPPCs effectively attenuated HFD-induced obesity, insulin resistance, and lipid and glucose metabolic dysregulation and ameliorated inflammatory response and hepatic and colonic damage. It also improved the relative abundance of Bacteroidetes and Firmicutes, consistent with an anti-obesity phenotype. The favorable modulation of GM was further supported by improvement in the profile of fecal short-chain fatty acids. The higher dosage generally had a better performance in these effects than the low dosage. Moreover, serum metabolite profiling and pathway enrichment analysis revealed that HPPCs significantly modulated vitamin B metabolism-associated pathways and identified N-acetylneuraminic acid and 2-methylbutyroylcarnitine as potential biomarkers of the favorable effect on HFD-induced metabolic dysregulation. These findings highlight that dietary supplementation with red wine HPPCs is a promising strategy for the management of weight gain and metabolic dysregulation associated with HFD.
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Affiliation(s)
- Hao Suo
- Shenzhen Key Laboratory of Marine Microbiome Engineering, Institute for Advanced Study, Shenzhen University, Shenzhen 518060, China
- Institute for Innovative Development of Food Industry, Shenzhen University, Shenzhen 518060, China
| | - Mohammad Rezaul Islam Shishir
- Shenzhen Key Laboratory of Marine Microbiome Engineering, Institute for Advanced Study, Shenzhen University, Shenzhen 518060, China
- Institute for Innovative Development of Food Industry, Shenzhen University, Shenzhen 518060, China
| | - Qi Wang
- College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China
| | - Mingfu Wang
- Shenzhen Key Laboratory of Marine Microbiome Engineering, Institute for Advanced Study, Shenzhen University, Shenzhen 518060, China
- Institute for Innovative Development of Food Industry, Shenzhen University, Shenzhen 518060, China
| | - Feng Chen
- Shenzhen Key Laboratory of Marine Microbiome Engineering, Institute for Advanced Study, Shenzhen University, Shenzhen 518060, China
- Institute for Innovative Development of Food Industry, Shenzhen University, Shenzhen 518060, China
| | - Ka Wing Cheng
- Shenzhen Key Laboratory of Marine Microbiome Engineering, Institute for Advanced Study, Shenzhen University, Shenzhen 518060, China
- Institute for Innovative Development of Food Industry, Shenzhen University, Shenzhen 518060, China
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11
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Lan T, Wang J, Bao S, Zhao Q, Sun X, Fang Y, Ma T, Liu S. Effects and impacts of technical processing units on the nutrients and functional components of fruit and vegetable juice. Food Res Int 2023; 168:112784. [PMID: 37120231 DOI: 10.1016/j.foodres.2023.112784] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2023] [Revised: 03/23/2023] [Accepted: 03/29/2023] [Indexed: 04/05/2023]
Abstract
Fruit and vegetable juice (FVJ) has become a favorite beverage for all age groups because of its excellent sensory and nutritional qualities. FVJ has a series of health benefits such as antioxidant, anti-obesity, anti-inflammatory, anti-microbial and anti-cancer. Except for raw materials selection, processing technology and packaging and storage also play a vital role in the nutrition and functional components of FVJ. This review systematically reviews the important research results on the relationship between FVJ processing and its nutrition and function in the past 10 years. Based on the brief elucidation of the nutrition and health benefits of FVJ and the unit operation involved in the production process, the influence of a series of key technology units, including pretreatment, clarification, homogenization, concentration, sterilization, drying, fermentation and packaging and storage, on the nutritional function of FVJ was systematically expounded. This contribution provides an update on the impacts of technical processing units on the nutrients and functional components of FVJ and new perspectives for future studies.
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12
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Bryan NS, Ahmed S, Lefer DJ, Hord N, von Schwarz ER. Dietary nitrate biochemistry and physiology. An update on clinical benefits and mechanisms of action. Nitric Oxide 2023; 132:1-7. [PMID: 36690137 DOI: 10.1016/j.niox.2023.01.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2022] [Revised: 01/08/2023] [Accepted: 01/19/2023] [Indexed: 01/22/2023]
Abstract
It is now more than 35 years since endothelium derived relaxing factor was identified as nitric oxide (NO). The last few decades have seen an explosion around nitric oxide biochemistry, physiology and clinical translation. The science reveals that all chronic disease is associated with decreased blood flow to the affected organ which results in increased inflammation, oxidative stress and immune dysfunction. This is true for cardiovascular disease, neurological disease, kidney, lung, liver disorders and every other major disorder. Since nitric oxide controls and regulates blood flow, oxygen and nutrient delivery to every cell, tissue and organ in the body and also mitigates inflammation, oxidative stress and immune dysfunction, a focus on restoring nitric oxide production is an obvious therapeutic strategy for a number of poorly managed chronic diseases. Since dietary nitrate is a major contributor to endogenous nitric oxide production, it should be considered as a means of therapy and restoration of nitric oxide. This review will update on the current state of the science and effects of inorganic nitrate administered through the diet on several chronic conditions and reveal how much is needed. It is clear now that antiseptic mouthwash and use of antacids disrupt nitrate metabolism to nitric oxide leading to clinical symptoms of nitric oxide deficiency. Based on the science, nitrate should be considered an indispensable nutrient that should be accounted for in dietary guidelines.
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Affiliation(s)
| | | | - David J Lefer
- Smidt Heart Institute, Cedars-Sinai Medical Center, Los Angeles, CA, 90048, United States
| | - Norman Hord
- OU Health, Harold Hamm Diabetes Center, Department of Nutritional Sciences, College of Allied Health, University of Oklahoma Health Sciences Center, Oklahoma City, OK, United States
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13
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Kersten S. The impact of fasting on adipose tissue metabolism. Biochim Biophys Acta Mol Cell Biol Lipids 2023; 1868:159262. [PMID: 36521736 DOI: 10.1016/j.bbalip.2022.159262] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2022] [Revised: 11/20/2022] [Accepted: 12/05/2022] [Indexed: 12/14/2022]
Abstract
Fasting and starvation were common occurrences during human evolution and accordingly have been an important environmental factor shaping human energy metabolism. Humans can tolerate fasting reasonably well through adaptative and well-orchestrated time-dependent changes in energy metabolism. Key features of the adaptive response to fasting are the breakdown of liver glycogen and muscle protein to produce glucose for the brain, as well as the gradual depletion of the fat stores, resulting in the release of glycerol and fatty acids into the bloodstream and the production of ketone bodies in the liver. In this paper, an overview is presented of our current understanding of the effects of fasting on adipose tissue metabolism. Fasting leads to reduced uptake of circulating triacylglycerols by adipocytes through inhibition of the activity of the rate-limiting enzyme lipoprotein lipase. In addition, fasting stimulates the degradation of stored triacylglycerols by activating the key enzyme adipose triglyceride lipase. The mechanisms underlying these events are discussed, with a special interest in insights gained from studies on humans. Furthermore, an overview is presented of the effects of fasting on other metabolic pathways in the adipose tissue, including fatty acid synthesis, glucose uptake, glyceroneogenesis, autophagy, and the endocrine function of adipose tissue.
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Affiliation(s)
- Sander Kersten
- Nutrition, Metabolism and Genomics Group, Division of Human Nutrition and Health, Wageningen University, the Netherlands.
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14
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Mengesha SD, Asfaw YB, Kidane AW, Teklu KT, Serte MG, Kenea MA, Dinssa DA, Woldegabriel MG, Alemayehu TA, Girmay AM. Microbial risk assessment and health concern of vegetables irrigated with Akaki River in Addis Ababa, Ethiopia. SCIENTIFIC AFRICAN 2023. [DOI: 10.1016/j.sciaf.2022.e01541] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
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15
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Guo X, Wang J, Niu R, Li R, Wang J, Fan X, Wang X, Sun Z. Effects of apple juice fermented with Lactobacillus plantarum CICC21809 on antibiotic-associated diarrhea of mice. J Funct Foods 2022. [DOI: 10.1016/j.jff.2022.105334] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
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16
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Sangiuolo K, Cheng E, Terala A, Dubrosa F, Milanaik RL. The gut microbiome: an overview of current trends and risks for paediatric populations. Curr Opin Pediatr 2022; 34:634-642. [PMID: 36226734 DOI: 10.1097/mop.0000000000001186] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
PURPOSE OF REVIEW Gut health is an increasingly popular topic of discussion among scientists and the general population alike. As interest surrounding the gut microbiome grows, the accessibility to misinformation and unfounded gut health trends to youth is likely to emerge as a public health concern. The purpose of this review is to provide paediatricians with current information about the gut microbiome, as well as explanations and possible risks of the multitude of gut health trends that adolescents may be exposed to. RECENT FINDINGS The gut microbiome is implicated in overall health by playing roles in digestion, immunity and mental health. Novel microbiome-related therapies, such as faecal microbiota transplants, and the gut-brain link show the therapeutic potential of the gut microbiome. However, unproven dietary fads and trends on social media are rampant as well, such as ginger juice shots. In addition, paediatric supplements meant to target gut health are unregulated, yet are highly marketed. Improperly applying these trends and diets may result in risks of malnutrition and body image issues for impressionable children. SUMMARY Increased familiarity regarding the types of gut health trends and diets among young people will allow paediatricians to more effectively advise their patients about potential risks and good gut health practices. Paediatricians and caregivers serve as role models and educators with regard to children's perceptions and management of their gut and overall health.
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Affiliation(s)
- Kara Sangiuolo
- Division of Developmental and Behavioral Pediatrics, Steven and Alexandra Cohen Children's Medical Center of New York, Lake Success, New York, USA
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17
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Ramírez-Garza SL, Laveriano-Santos EP, Arancibia-Riveros C, Carrasco-Jimenez JC, Bodega P, de Cos-Gandoy A, de Miguel M, Santos-Beneit G, Fernández-Alvira JM, Fernández-Jiménez R, Martínez-Gómez J, Estruch R, Lamuela-Raventós RM, Tresserra-Rimbau A. Urinary Nitric Oxide Levels Are Associated with Blood Pressure, Fruit and Vegetable Intake and Total Polyphenol Excretion in Adolescents from the SI! Program. Antioxidants (Basel) 2022; 11:2140. [PMID: 36358511 PMCID: PMC9686949 DOI: 10.3390/antiox11112140] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2022] [Revised: 10/21/2022] [Accepted: 10/25/2022] [Indexed: 08/27/2023] Open
Abstract
Nitric oxide (NO) is important to cardiovascular health (CVH), and its bioavailability could be regulated by the antioxidant effect of polyphenols, improving endothelial function and consequently blood pressure (BP). However, scant research has been carried out on NO and CVH correlates in adolescent populations. Therefore, our aim was to investigate the association between NO and the CVH status and other health factors in adolescents. NO, total polyphenol excretion (TPE), anthropometric measurements, BP, blood lipid profile, blood glucose, diet, physical activity, and smoking status were recorded, while CVH score was classified as ideal, intermediate, and poor. Negative associations were observed between NO and body mass index, body fat percentage, BP, and triglycerides; and positive associations between NO and skeletal muscle percentage, HDL-cholesterol, fruit and vegetable intake, and TPE was observed. To capture more complex interactions among different factors, multiple linear regression was performed, obtaining a significant association between NO and fruit and vegetable intake (β = 0.175), TPE (β = 0.225), and systolic BP (β = -0.235). We conclude that urinary NO levels are positively associated with the consumption of fruits and vegetables rich in antioxidants such as polyphenols and negatively associated with systolic BP.
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Affiliation(s)
- Sonia L. Ramírez-Garza
- Departament de Nutrició, Ciències de l’Alimentació i Gastronomia, Xarxa d’Innovació Alimentària (XIA), Facultat de Farmàcia i Ciències de l’Alimentació, Institut de Nutrició i Seguretat Alimentària (INSA-UB), Universitat de Barcelona (UB), 08028 Barcelona, Spain
| | - Emily P. Laveriano-Santos
- Departament de Nutrició, Ciències de l’Alimentació i Gastronomia, Xarxa d’Innovació Alimentària (XIA), Facultat de Farmàcia i Ciències de l’Alimentació, Institut de Nutrició i Seguretat Alimentària (INSA-UB), Universitat de Barcelona (UB), 08028 Barcelona, Spain
- Consorcio CIBER, M.P. Fisiopatología de la Obesidad y Nutrición (CIBERObn), Instituto de Salud Carlos III (ISCIII), 28220 Madrid, Spain
| | - Camila Arancibia-Riveros
- Departament de Nutrició, Ciències de l’Alimentació i Gastronomia, Xarxa d’Innovació Alimentària (XIA), Facultat de Farmàcia i Ciències de l’Alimentació, Institut de Nutrició i Seguretat Alimentària (INSA-UB), Universitat de Barcelona (UB), 08028 Barcelona, Spain
| | | | - Patricia Bodega
- Foundation for Science, Health and Education (SHE), 08008 Barcelona, Spain
- Centro Nacional de Investigaciones Cardiovasculares (CNIC), 28029 Madrid, Spain
| | - Amaya de Cos-Gandoy
- Foundation for Science, Health and Education (SHE), 08008 Barcelona, Spain
- Centro Nacional de Investigaciones Cardiovasculares (CNIC), 28029 Madrid, Spain
| | - Mercedes de Miguel
- Foundation for Science, Health and Education (SHE), 08008 Barcelona, Spain
- Centro Nacional de Investigaciones Cardiovasculares (CNIC), 28029 Madrid, Spain
| | - Gloria Santos-Beneit
- Foundation for Science, Health and Education (SHE), 08008 Barcelona, Spain
- The Zena and Michael A. Wiener Cardiovascular Institute, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | | | - Rodrigo Fernández-Jiménez
- Centro Nacional de Investigaciones Cardiovasculares (CNIC), 28029 Madrid, Spain
- Hospital Universitario Clinico San Carlos, 28040 Madrid, Spain
- Centro de Investigación Biomédica en Red en Enfermedades CardioVasculares (CIBERCV), 28029 Madrid, Spain
| | | | - Ramón Estruch
- Consorcio CIBER, M.P. Fisiopatología de la Obesidad y Nutrición (CIBERObn), Instituto de Salud Carlos III (ISCIII), 28220 Madrid, Spain
- Department of Internal Medicine, Hospital Clínic, Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Universitat de Barcelona, 08036 Barcelona, Spain
| | - Rosa M. Lamuela-Raventós
- Departament de Nutrició, Ciències de l’Alimentació i Gastronomia, Xarxa d’Innovació Alimentària (XIA), Facultat de Farmàcia i Ciències de l’Alimentació, Institut de Nutrició i Seguretat Alimentària (INSA-UB), Universitat de Barcelona (UB), 08028 Barcelona, Spain
- Consorcio CIBER, M.P. Fisiopatología de la Obesidad y Nutrición (CIBERObn), Instituto de Salud Carlos III (ISCIII), 28220 Madrid, Spain
| | - Anna Tresserra-Rimbau
- Departament de Nutrició, Ciències de l’Alimentació i Gastronomia, Xarxa d’Innovació Alimentària (XIA), Facultat de Farmàcia i Ciències de l’Alimentació, Institut de Nutrició i Seguretat Alimentària (INSA-UB), Universitat de Barcelona (UB), 08028 Barcelona, Spain
- Consorcio CIBER, M.P. Fisiopatología de la Obesidad y Nutrición (CIBERObn), Instituto de Salud Carlos III (ISCIII), 28220 Madrid, Spain
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18
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Hu X, Guo J, Wang J, Liu W, Xiang X, Chen S, Li X, Tang J, Zhang W, Chen H, Shu R, Wu Q, Wang Q. Study on the Relationship Between Diet, Physical Health and Gut Microflora of Chinese College Students. Curr Microbiol 2022; 79:370. [PMID: 36253614 DOI: 10.1007/s00284-022-03055-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2021] [Accepted: 09/23/2022] [Indexed: 12/02/2022]
Abstract
Many elements of a modern lifestyle influence the gut microbiota but few studies have explored the effect of physical health level. This study was aimed to explore the relationship between diet, physical health and gut microbiota in Chinese college students. A total of 69 college students were recruited, including 27 college athletes (AS group) and 42 healthy controls (HC group). Fecal samples were collected for 16S rRNA sequencing. According to National Standards for Students' Physical Health (2014 revision), physical fitness measurements, dietary intake and health-related data were collected via questionnaires. ①According to the physical fitness scores, the physical fitness level of AS group was significantly higher than that of HC group (P < 0.05), there were no significant differences between the two groups in the frequency of intake of food. The frequency and duration of physical activity in the AS group were higher than those in the HC group (P < 0.05); ②The proportion and relative abundances of microorganism composition is varying at two groups: on the phylum level, AS group had mainly increased Firmicutes, Actinobacteria and reduced Bacteroidetes, Proteobacteria; on the genus level, AS group had mainly increased Faecalibacterium, Bifidobacterium and reduced Bacteroides; ③The associations with the 10 most abundant bacterial genera and physical fitness, dietary factors were investigated. Changes in the gut microbiota abundance can be sometimes reflective of a physical health status. Loss of the balance of gut microbial populations will lead to flora disorders and diseases. Therefore, further studies are needed to reveal the mechanisms behind the gut microbiota in its potential role.
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Affiliation(s)
- Xiafen Hu
- Institute of Infection, Immunology and Tumor Microenvironent, Hubei Province Key Laboratory of Occupational Hazard Identification and Control, Medical College, Wuhan University of Science and Technology, Wuhan, 430065, China
| | - Jiaqi Guo
- Institute of Infection, Immunology and Tumor Microenvironent, Hubei Province Key Laboratory of Occupational Hazard Identification and Control, Medical College, Wuhan University of Science and Technology, Wuhan, 430065, China
| | - Jiadun Wang
- Institute of Infection, Immunology and Tumor Microenvironent, Hubei Province Key Laboratory of Occupational Hazard Identification and Control, Medical College, Wuhan University of Science and Technology, Wuhan, 430065, China
| | - Wanxin Liu
- Institute of Infection, Immunology and Tumor Microenvironent, Hubei Province Key Laboratory of Occupational Hazard Identification and Control, Medical College, Wuhan University of Science and Technology, Wuhan, 430065, China
| | - Xiaochen Xiang
- Institute of Infection, Immunology and Tumor Microenvironent, Hubei Province Key Laboratory of Occupational Hazard Identification and Control, Medical College, Wuhan University of Science and Technology, Wuhan, 430065, China
| | - Siyang Chen
- Institute of Infection, Immunology and Tumor Microenvironent, Hubei Province Key Laboratory of Occupational Hazard Identification and Control, Medical College, Wuhan University of Science and Technology, Wuhan, 430065, China
| | - Xinquan Li
- Institute of Infection, Immunology and Tumor Microenvironent, Hubei Province Key Laboratory of Occupational Hazard Identification and Control, Medical College, Wuhan University of Science and Technology, Wuhan, 430065, China
| | - Jinhan Tang
- College of Physical Education, Wuhan University of Science and Technology, Wuhan, 430065, China
| | - Wei Zhang
- Institute of Infection, Immunology and Tumor Microenvironent, Hubei Province Key Laboratory of Occupational Hazard Identification and Control, Medical College, Wuhan University of Science and Technology, Wuhan, 430065, China
| | - Hui Chen
- Institute of Infection, Immunology and Tumor Microenvironent, Hubei Province Key Laboratory of Occupational Hazard Identification and Control, Medical College, Wuhan University of Science and Technology, Wuhan, 430065, China
| | - Rong Shu
- The Third People's Hospital of Hubei Province, Zhongshan Hospital of Hubei Province, Wuhan, 430030, Hubei, People's Republic of China.
| | - Qingming Wu
- Institute of Infection, Immunology and Tumor Microenvironent, Hubei Province Key Laboratory of Occupational Hazard Identification and Control, Medical College, Wuhan University of Science and Technology, Wuhan, 430065, China.
| | - Qiang Wang
- Institute of Infection, Immunology and Tumor Microenvironent, Hubei Province Key Laboratory of Occupational Hazard Identification and Control, Medical College, Wuhan University of Science and Technology, Wuhan, 430065, China.
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19
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Fruit Bioactive Compounds: Effect on Lactic Acid Bacteria and on Intestinal Microbiota. Food Res Int 2022; 161:111809. [DOI: 10.1016/j.foodres.2022.111809] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2022] [Revised: 07/27/2022] [Accepted: 08/18/2022] [Indexed: 11/24/2022]
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20
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Wicaksono WA, Buko A, Kusstatscher P, Sinkkonen A, Laitinen OH, Virtanen SM, Hyöty H, Cernava T, Berg G. Modulation of the food microbiome by apple fruit processing. Food Microbiol 2022; 108:104103. [DOI: 10.1016/j.fm.2022.104103] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2022] [Revised: 07/27/2022] [Accepted: 07/28/2022] [Indexed: 11/04/2022]
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21
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Reynoso-García J, Miranda-Santiago AE, Meléndez-Vázquez NM, Acosta-Pagán K, Sánchez-Rosado M, Díaz-Rivera J, Rosado-Quiñones AM, Acevedo-Márquez L, Cruz-Roldán L, Tosado-Rodríguez EL, Figueroa-Gispert MDM, Godoy-Vitorino F. A complete guide to human microbiomes: Body niches, transmission, development, dysbiosis, and restoration. FRONTIERS IN SYSTEMS BIOLOGY 2022; 2:951403. [PMID: 38993286 PMCID: PMC11238057 DOI: 10.3389/fsysb.2022.951403] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Indexed: 07/13/2024]
Abstract
Humans are supra-organisms co-evolved with microbial communities (Prokaryotic and Eukaryotic), named the microbiome. These microbiomes supply essential ecosystem services that play critical roles in human health. A loss of indigenous microbes through modern lifestyles leads to microbial extinctions, associated with many diseases and epidemics. This narrative review conforms a complete guide to the human holobiont-comprising the host and all its symbiont populations- summarizes the latest and most significant research findings in human microbiome. It pretends to be a comprehensive resource in the field, describing all human body niches and their dominant microbial taxa while discussing common perturbations on microbial homeostasis, impacts of urbanization and restoration and humanitarian efforts to preserve good microbes from extinction.
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Affiliation(s)
| | | | | | - Kimil Acosta-Pagán
- Department of Microbiology and Medical Zoology, UPR School of Medicine, San Juan, PR, United States
| | - Mitchell Sánchez-Rosado
- Department of Microbiology and Medical Zoology, UPR School of Medicine, San Juan, PR, United States
| | - Jennifer Díaz-Rivera
- Department of Microbiology and Medical Zoology, UPR School of Medicine, San Juan, PR, United States
| | - Angélica M. Rosado-Quiñones
- Department of Biology, UPR Rio Piedras Campus, San Juan, PR, United States
- Department of Microbiology and Medical Zoology, UPR School of Medicine, San Juan, PR, United States
| | - Luis Acevedo-Márquez
- Department of Microbiology and Medical Zoology, UPR School of Medicine, San Juan, PR, United States
| | - Lorna Cruz-Roldán
- Department of Microbiology and Medical Zoology, UPR School of Medicine, San Juan, PR, United States
| | | | | | - Filipa Godoy-Vitorino
- Department of Microbiology and Medical Zoology, UPR School of Medicine, San Juan, PR, United States
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22
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Lackner S, Sconocchia T, Ziegler T, Passegger C, Meier-Allard N, Schwarzenberger E, Wonisch W, Lahousen T, Kohlhammer-Dohr A, Mörkl S, Derler M, Strobl H, Holasek SJ. Immunomodulatory Effects of Aronia Juice Polyphenols-Results of a Randomized Placebo-Controlled Human Intervention Study and Cell Culture Experiments. Antioxidants (Basel) 2022; 11:1283. [PMID: 35883769 PMCID: PMC9312026 DOI: 10.3390/antiox11071283] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2022] [Revised: 05/28/2022] [Accepted: 06/24/2022] [Indexed: 11/17/2022] Open
Abstract
Dietary polyphenols, which are present in Aronia melanocarpa, have been associated with various beneficial effects on human health including antioxidant, antiviral, and anti-inflammatory activities. We aimed to investigate the immunomodulatory effects of aronia juice polyphenols in a randomized placebo-controlled human intervention study and cell culture experiments. A total of 40 females were asked to consume either 200 mL of aronia juice or a placebo drink for six weeks and were investigated again after a washout period of another six weeks. We observed that only half of the participants tolerated the aronia juice well (Vt) and the other half reported complaints (Vc). The placebo (P) was generally tolerated with one exception (p = 0.003). Plasma polyphenol levels increased significantly in Vt after the intervention (p = 0.024) but did neither in P nor in Vc. Regulatory T cell (Treg) frequencies remained constant in Vt and P during the intervention, whereas Tregs decreased in Vc (p = 0.018). In cell culture, inhibiting effects of ferulic acid (p = 0.0005) and catechin (p = 0.0393) on the differentiation of Tregs were observed as well as reduced activation of CD4-T cells in ferulic acid (p = 0.0072) and aronia juice (p = 0.0163) treated cells. Interestingly, a CD4+CD25-FoxP3+ cell population emerged in vitro in response to aronia juice, but not when testing individual polyphenols. In conclusion, our data strengthen possible individual hormetic effects, the importance of the food matrix for bioactivity, and the need for further investigations on possible impacts of specific physiological features such as the gut microbiota in the context of personalized nutrition.
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Affiliation(s)
- Sonja Lackner
- Division of Immunology and Pathophysiology, Otto Loewi Research Center, Medical University of Graz, 8010 Graz, Austria; (S.L.); (T.S.); (T.Z.); (C.P.); (N.M.-A.); (E.S.); (M.D.); (H.S.)
| | - Tommaso Sconocchia
- Division of Immunology and Pathophysiology, Otto Loewi Research Center, Medical University of Graz, 8010 Graz, Austria; (S.L.); (T.S.); (T.Z.); (C.P.); (N.M.-A.); (E.S.); (M.D.); (H.S.)
- Division of Haematology, Department of Internal Medicine, Medical University of Graz, 8036 Graz, Austria
| | - Tobias Ziegler
- Division of Immunology and Pathophysiology, Otto Loewi Research Center, Medical University of Graz, 8010 Graz, Austria; (S.L.); (T.S.); (T.Z.); (C.P.); (N.M.-A.); (E.S.); (M.D.); (H.S.)
- Juice Plus+ Science Institute, Collierville, TN 38017, USA
| | - Christina Passegger
- Division of Immunology and Pathophysiology, Otto Loewi Research Center, Medical University of Graz, 8010 Graz, Austria; (S.L.); (T.S.); (T.Z.); (C.P.); (N.M.-A.); (E.S.); (M.D.); (H.S.)
| | - Nathalie Meier-Allard
- Division of Immunology and Pathophysiology, Otto Loewi Research Center, Medical University of Graz, 8010 Graz, Austria; (S.L.); (T.S.); (T.Z.); (C.P.); (N.M.-A.); (E.S.); (M.D.); (H.S.)
| | - Elke Schwarzenberger
- Division of Immunology and Pathophysiology, Otto Loewi Research Center, Medical University of Graz, 8010 Graz, Austria; (S.L.); (T.S.); (T.Z.); (C.P.); (N.M.-A.); (E.S.); (M.D.); (H.S.)
| | - Willibald Wonisch
- Division of Physiological Chemistry, Otto Loewi Research Center, Medical University of Graz, 8010 Graz, Austria;
| | - Theresa Lahousen
- Department of Psychiatry and Psychotherapeutic Medicine, Medical University of Graz, 8036 Graz, Austria; (T.L.); (A.K.-D.); (S.M.)
| | - Alexandra Kohlhammer-Dohr
- Department of Psychiatry and Psychotherapeutic Medicine, Medical University of Graz, 8036 Graz, Austria; (T.L.); (A.K.-D.); (S.M.)
| | - Sabrina Mörkl
- Department of Psychiatry and Psychotherapeutic Medicine, Medical University of Graz, 8036 Graz, Austria; (T.L.); (A.K.-D.); (S.M.)
| | - Martina Derler
- Division of Immunology and Pathophysiology, Otto Loewi Research Center, Medical University of Graz, 8010 Graz, Austria; (S.L.); (T.S.); (T.Z.); (C.P.); (N.M.-A.); (E.S.); (M.D.); (H.S.)
- Department of Pharmacology and Toxicology, University of Graz, 8010 Graz, Austria
| | - Herbert Strobl
- Division of Immunology and Pathophysiology, Otto Loewi Research Center, Medical University of Graz, 8010 Graz, Austria; (S.L.); (T.S.); (T.Z.); (C.P.); (N.M.-A.); (E.S.); (M.D.); (H.S.)
| | - Sandra Johanna Holasek
- Division of Immunology and Pathophysiology, Otto Loewi Research Center, Medical University of Graz, 8010 Graz, Austria; (S.L.); (T.S.); (T.Z.); (C.P.); (N.M.-A.); (E.S.); (M.D.); (H.S.)
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The Microbiome Structure of a Rice-Crayfish Integrated Breeding Model and Its Association with Crayfish Growth and Water Quality. Microbiol Spectr 2022; 10:e0220421. [PMID: 35384719 PMCID: PMC9045173 DOI: 10.1128/spectrum.02204-21] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
The rice-crayfish (RC) integrated breeding model is an important and special agricultural ecosystem that provides a unique ecological environment for exploring the microbial diversity, composition, and functional capacity. To date, little is known about the effect of the breeding model on microbiome assembly and breeding model-specific microbiome composition and the association of the microbiome with water quality and crayfish growth. In the present study, we assessed the taxonomic shifts in gut and water microbiomes and their associations with water quality and crayfish growth in the RC and crayfish monoculture (CM) breeding models across six time points of rice growth, including seedling (a), tillering and jointing (b), blooming (c), filling (d), fruiting (e), and rotting of rice residues (f). Dominant bacterial phyla, such as Proteobacteria, Actinobacteria, Bacteroidetes, and Firmicutes, were detected in both gut and water microbiomes across breeding models. Notably, the diversity and structure of the gut and water microbiomes significantly (P < 0.001) differed between the RC and CM models, with higher microbial diversity being noted in the RC model than in the CM model. The taxa enriched in the RC model included Bacillus sp., Streptomyces sp., Lactobacillus sp., Prevotella sp., Rhodobacter sp., Bifidobacterium sp., Akkermansia sp., and Lactococcus sp., some of which are potentially beneficial to animals. However, opportunistic pathogens, such as Citrobacter sp. and Aeromonas sp., were depleted in the RC model. Furthermore, in the RC model, the enriched taxa that formed complex cooccurrence networks showed a significant positive correlation with water quality and crayfish growth, whereas the depleted taxa showed a significant negative correlation with water quality and crayfish growth. These results suggest that the RC model has a better microbiome composition and that RC model-specific microbes could play important roles in improving crayfish growth and water quality. IMPORTANCE The present study comprehensively compared two different breeding models in terms of their microbiome composition and the associations of the microbiomes with crayfish growth and water quality. RC model-specific microbiome composition was identified; these microbes were found to have a positive association with water quality and crayfish growth. These results provide valuable information for guiding microbial isolation and culture and for potentially harnessing the power of the microbiome to improve crayfish production and health and water quality.
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Nemati M, Farajzadeh MA, Mogaddam MRA, Mohebbi A, Azimi AR, Fattahi N, Tuzen M. Development of a gas–controlled deep eutectic solvent–based evaporation–assisted dispersive liquid–liquid microextraction approach for the extraction of pyrethroid pesticides from fruit juices. Microchem J 2022. [DOI: 10.1016/j.microc.2022.107196] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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25
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Wang Y, Chen W, Zhou J, Wang Y, Wang H, Wang Y. Nitrate Metabolism and Ischemic Cerebrovascular Disease: A Narrative Review. Front Neurol 2022; 13:735181. [PMID: 35309590 PMCID: PMC8927699 DOI: 10.3389/fneur.2022.735181] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2021] [Accepted: 01/04/2022] [Indexed: 11/23/2022] Open
Abstract
Inorganic and organic nitrates are present in vivo and in vitro. Inorganic nitrate is considered a pool of nitric oxide (NO), but it can be converted into nitrite and NO through various mechanisms. It plays an important role in the regulation of complex physiological and biochemical reactions, such as anti-inflammatory processes and the inhibition of platelet aggregation, which are closely related to the pathology and treatment of cerebrovascular disease. Ischemic cerebrovascular disease is characterized by high incidence, recurrence, and disability rates. Nitrate, nitrite, and NO were recently found to be involved in cerebrovascular disease. In this review, we describe the relationship between cerebrovascular disease and nitrate metabolism to provide a basis for further advances in laboratory and clinical medicine.
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Affiliation(s)
- Yicong Wang
- Department of Neurology, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
- China National Clinical Research Center for Neurological Diseases, Beijing, China
- Laboratory for Oral and General Health Integration and Translation, Beijing, China
| | - Weiqi Chen
- Department of Neurology, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
- China National Clinical Research Center for Neurological Diseases, Beijing, China
- Laboratory for Oral and General Health Integration and Translation, Beijing, China
| | - Jian Zhou
- Laboratory for Oral and General Health Integration and Translation, Beijing, China
- School of Stomatology, Capital Medical University, Beijing, China
| | - Yongjun Wang
- Department of Neurology, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
- China National Clinical Research Center for Neurological Diseases, Beijing, China
| | - Hao Wang
- Laboratory for Oral and General Health Integration and Translation, Beijing, China
- Department of Stomatology, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
- *Correspondence: Hao Wang
| | - Yilong Wang
- Department of Neurology, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
- China National Clinical Research Center for Neurological Diseases, Beijing, China
- Laboratory for Oral and General Health Integration and Translation, Beijing, China
- Yilong Wang
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Zhu Y, Zhang M, Mujumdar AS, Liu Y. Application advantages of new non-thermal technology in juice browning control: A comprehensive review. FOOD REVIEWS INTERNATIONAL 2022. [DOI: 10.1080/87559129.2021.2021419] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Yuanyuan Zhu
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, China
- International Joint Laboratory on Food Safety, Jiangnan University, Wuxi, Jiangsu, China
| | - Min Zhang
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, China
- Jiangsu Province International Joint Laboratory on Fresh Food Smart Processing and Quality Monitoring, Jiangnan University, Wuxi, Jiangsu, China
| | - Arun S. Mujumdar
- Department of Bioresource Engineering, Macdonald College, McGill University, Ste. Anne de Bellevue, Quebec, Canada
| | - Yaping Liu
- R & D Center, Guangdong Galore Food Co., Ltd. Guangdong, Zhongshan, China
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Gut microbiota and metabolic changes towards improved gut health with supplementation of Woodfordia fruticosa, a medicinal plant: An in vitro study. INNOV FOOD SCI EMERG 2022. [DOI: 10.1016/j.ifset.2021.102896] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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28
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Fruit and Vegetable Supplemented Diet Modulates the Pig Transcriptome and Microbiome after a Two-Week Feeding Intervention. Nutrients 2021; 13:nu13124350. [PMID: 34959902 PMCID: PMC8703502 DOI: 10.3390/nu13124350] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2021] [Revised: 11/30/2021] [Accepted: 12/01/2021] [Indexed: 02/06/2023] Open
Abstract
A study was conducted to determine the effects of a diet supplemented with fruits and vegetables (FV) on the host whole blood cell (WBC) transcriptome and the composition and function of the intestinal microbiome. Nine six-week-old pigs were fed a pig grower diet alone or supplemented with lyophilized FV equivalent to half the daily recommended amount prescribed for humans by the Dietary Guideline for Americans (DGA) for two weeks. Host transcriptome changes in the WBC were evaluated by RNA sequencing. Isolated DNA from the fecal microbiome was used for 16S rDNA taxonomic analysis and prediction of metabolomic function. Feeding an FV-supplemented diet to pigs induced differential expression of several genes associated with an increase in B-cell development and differentiation and the regulation of cellular movement, inflammatory response, and cell-to-cell signaling. Linear discriminant analysis effect size (LEfSe) in fecal microbiome samples showed differential increases in genera from Lachnospiraceae and Ruminococcaceae families within the order Clostridiales and Erysipelotrichaceae family with a predicted reduction in rgpE-glucosyltransferase protein associated with lipopolysaccharide biosynthesis in pigs fed the FV-supplemented diet. These results suggest that feeding an FV-supplemented diet for two weeks modulated markers of cellular inflammatory and immune function in the WBC transcriptome and the composition of the intestinal microbiome by increasing the abundance of bacterial taxa that have been associated with improved intestinal health.
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Daoust L, Pilon G, Marette A. Perspective: Nutritional Strategies Targeting the Gut Microbiome to Mitigate COVID-19 Outcomes. Adv Nutr 2021; 12:1074-1086. [PMID: 33783468 PMCID: PMC8083677 DOI: 10.1093/advances/nmab031] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2020] [Revised: 02/12/2021] [Accepted: 03/01/2021] [Indexed: 02/07/2023] Open
Abstract
More than a year has passed since the first reported case of severe acute respiratory syndrome coronavirus 2 (SARS-CoV2) infection in the city of Wuhan in China's Hubei Province. Until now, few antiviral medications (e.g., remdesivir) or drugs that target inflammatory complications associated with SARS-CoV2 infection have been considered safe by public health authorities. By the end of November 2020, this crisis had led to >1 million deaths and revealed the high susceptibility of people with pre-existing comorbidities (e.g., obesity, diabetes, coronary heart disease, hypertension) to suffer from a severe form of the disease. Elderly people have also been found to be highly susceptible to SARS-CoV2 infection and morbidity. Gastrointestinal manifestations and gut microbial alterations observed in SARS-CoV2-infected hospitalized patients have raised awareness of the potential role of intestinal mechanisms in increasing the severity of the disease. It is therefore critically important to find alternative or complementary approaches, not only to prevent or treat the disease, but also to reduce its growing societal and economic burden. In this review, we explore potential nutritional strategies that implicate the use of polyphenols, probiotics, vitamin D, and ω-3 fatty acids with a focus on the gut microbiome, and that could lead to concrete recommendations that are easily applicable to both vulnerable people with pre-existing metabolic comorbidities and the elderly, but also to the general population.
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Affiliation(s)
- Laurence Daoust
- Quebec Heart and Lung Institute, Laval University, Quebec City, Quebec, Canada
- Institute of Nutrition and Functional Foods, Laval University, Quebec City, Quebec, Canada
| | - Geneviève Pilon
- Quebec Heart and Lung Institute, Laval University, Quebec City, Quebec, Canada
- Institute of Nutrition and Functional Foods, Laval University, Quebec City, Quebec, Canada
| | - André Marette
- Quebec Heart and Lung Institute, Laval University, Quebec City, Quebec, Canada
- Institute of Nutrition and Functional Foods, Laval University, Quebec City, Quebec, Canada
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Cyrino LG, Galpern J, Moore L, Borgi L, Riella LV. A Narrative Review of Dietary Approaches for Kidney Transplant Patients. Kidney Int Rep 2021; 6:1764-1774. [PMID: 34307973 PMCID: PMC8258457 DOI: 10.1016/j.ekir.2021.04.009] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2021] [Revised: 03/16/2021] [Accepted: 04/12/2021] [Indexed: 12/19/2022] Open
Abstract
A healthy eating pattern has proven to lower the risk of metabolic and cardiovascular diseases. However, there are sparse dietary recommendations for kidney transplant recipients, and the ones available focus only on single nutrients intake, such as sodium, potassium, and proteins, and not on the overall eating pattern. Considering that individuals do not typically consume nutrients in isolation, but as part of a complete dietary pattern, it is challenging for the average transplanted patient to understand and implement specific dietary recommendations. Also, single-nutrient interventions demonstrate largely inconclusive effects, and it seems improbable that they could have a strong enough impact on transplant outcomes. Dietary trends such as plant-based diets, intermittent fasting, low-carb diet/keto-diet, and juicing, have gained major attention from the media. Herein, we review the potential risks and benefits of these diets in kidney transplant recipients and provide an updated dietary recommendation for this population with consideration of current nutritional trends. Overall, the Mediterranean and DASH diets have demonstrated to be the most beneficial dietary patterns to the post kidney transplant population by focusing on less meat and processed foods, while increasing the intake of fresh foods and plant-based choices. We believe that to maintain a healthy lifestyle posttransplant, patients should be educated about the scientific evidence of different diets and choose a dietary pattern that is sustainable long-term.
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Affiliation(s)
- LG Cyrino
- Center for Transplantation Sciences, Department of Surgery, Massachusetts General Hospital, Boston, Massachusetts, USA
- Division of Nephrology, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Jennie Galpern
- Center for Transplantation Sciences, Department of Surgery, Massachusetts General Hospital, Boston, Massachusetts, USA
| | - Lori Moore
- Division of Nephrology, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Lea Borgi
- Division of Nephrology, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Leonardo V. Riella
- Center for Transplantation Sciences, Department of Surgery, Massachusetts General Hospital, Boston, Massachusetts, USA
- Division of Nephrology, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts, USA
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Piekara A, Krzywonos M. Assessment of the Frequency of Sweetened Beverages Consumption among Adults in Poland. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:7029. [PMID: 34209336 PMCID: PMC8296859 DOI: 10.3390/ijerph18137029] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/10/2021] [Revised: 06/24/2021] [Accepted: 06/25/2021] [Indexed: 11/17/2022]
Abstract
Background: in the context of the ongoing obesity epidemic and increase in cases of metabolic disorders among the population, it is significant, from the health, nutritional, and economic point of view, to a look at the habits of sugar-sweetened beverage (SSB) consumption of adults in Poland. This study aims to determine the sweetened beverages, which are the most popular and most frequently consumed by Polish consumers in correlation with sex, age, income, and education of the studied group of adults. Methods: The survey study was based on the Computer-Assisted Web Interview (CAWI) and was conducted on a representative sample of 500 adult Poles, within the period from May to June 2020. The fundamental stage of the survey included the question, which asked the respondents to assess the frequency of consuming selected eleven sweetened or unsweetened beverages. Socio-economic characteristics of the respondents were considered when evaluating whether these factors aligned with the behaviors regarding the frequency of beverage consumption. Results: The consumption of SSBs tends to decrease along with consumer's age. A decrease, which could be associated with level of consumers' education level and correlation with income could not be verified. Adults drink sugar sweetened beverages less often than younger consumers, and women drink them less often than men. Conclusions: Identification of the frequency of sugar-sweetened beverage intake can indicate directions for further national or regional action against the spread of obesity. Moreover, attention should be drawn to young males who consume beverages abundant in high sugar most often.
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Affiliation(s)
- Agnieszka Piekara
- Department of Bioprocess Engineering, Wroclaw University of Economics and Business, Komandorska 118-120, 53-345 Wrocław, Poland
| | - Małgorzata Krzywonos
- Department of Process Management, Wroclaw University of Economics and Business, Komandorska 118-120, 53-345 Wrocław, Poland;
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Fruit and vegetable consumption in relation to primary headaches: the MEPHASOUS study. Eat Weight Disord 2021; 26:1617-1626. [PMID: 32789621 DOI: 10.1007/s40519-020-00984-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/28/2020] [Accepted: 06/25/2020] [Indexed: 01/13/2023] Open
Abstract
BACKGROUND Fruit and vegetable consumption may beneficially affect the odds of primary headaches due to their antioxidant contents. However, no study has examined the association between fruit and vegetable consumption and primary headaches among university students. AIM To assess the relation between fruit and vegetable intakes and primary headaches among Iranian university students. METHODS Overall, 83,214 university students with an age range of ≥ 18 years participated in the present study. Dietary intakes and also data on confounding variables were collected using validated questionnaires. Data on dietary intakes were collected using a validated dietary habits questionnaire. We used the International Classification of Headache Disorders-3 (ICHD-3) criteria to define primary headaches. RESULTS Fruit consumption was negatively associated with primary headaches; such that after controlling for potential confounders, greater intake of fruits was associated with 30% lower odds of primary headaches (OR: 0.70, 95% CI 0.58-0.84). Such an inverse association was also found for vegetable consumption. In the fully adjusted model, students in the top category of vegetable consumption were 16% less likely to have primary headaches compared with those in the bottom category (OR: 0.84, 95% CI 0.74-0.95). Subgroup analysis revealed that fruit consumption was inversely associated with primary headaches in females, unlike males, and vegetable consumption was inversely associated with these headaches in males, as opposed to females. Moreover, fruit and vegetable consumption was related to lower odds of primary headaches in normal-weight students. CONCLUSION Fruit and vegetable intakes were associated with reduced odds of primary headaches. LEVEL OF EVIDENCE Level III, cross-sectional analytic studies.
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van der Merwe M, Moore D, Hill JL, Keating FH, Buddington RK, Bloomer RJ, Wang A, Bowman DD. The Impact of a Dried Fruit and Vegetable Supplement and Fiber Rich Shake on Gut and Health Parameters in Female Healthcare Workers: A Placebo-Controlled, Double-Blind, Randomized Clinical Trial. Microorganisms 2021; 9:microorganisms9040843. [PMID: 33920059 PMCID: PMC8070989 DOI: 10.3390/microorganisms9040843] [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: 03/19/2021] [Revised: 04/08/2021] [Accepted: 04/11/2021] [Indexed: 12/13/2022] Open
Abstract
Aim: Phytochemicals from fruits and vegetables are known to reduce inflammation and improve overall health. The objective of this study was to determine the effect of a fruit and vegetable concentrate (FVC) and high fiber component on the gut microbiome in an overweight/obese, female population. Methods: The study was a randomized, double blind, placebo-controlled trial with 57 asymptomatic, pre-menopausal, overweight/obese females between 25–50 years of age working in healthcare. Blood and fecal samples were collected before and after two, four and five months of daily supplementation. Metabolic parameters were measured, and the gut microbiome analyzed. Results: No effect was observed with FVC supplementation for blood lipids, glucose and immune parameters. There was an improvement in glucose clearance. The FVC supplement did not result in taxonomic alterations at phyla level, or changes in α or β diversity, but reduced Bacteroides abundance and increased fecal butyrate. An additional high fiber component improved levels of health associated bacteria. Conclusion: The results suggest that a dried fruit and vegetable supplement, with a high fiber meal replacement can alter the intestinal microbiota and improve glucose clearance, suggesting that this combination of supplements can improve glucose metabolism and possibly reduce the risk of insulin resistance.
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Affiliation(s)
- Marie van der Merwe
- Center for Nutraceuticals and Dietary Supplement Research, College of Health Sciences, University of Memphis, 106 Elma Roane Fieldhouse, Zach Curlin Rd., Memphis, TN 38152, USA; (D.M.); (J.L.H.); (F.H.K.); (R.K.B.); (R.J.B.)
- Correspondence:
| | - Damien Moore
- Center for Nutraceuticals and Dietary Supplement Research, College of Health Sciences, University of Memphis, 106 Elma Roane Fieldhouse, Zach Curlin Rd., Memphis, TN 38152, USA; (D.M.); (J.L.H.); (F.H.K.); (R.K.B.); (R.J.B.)
| | - Jessica L. Hill
- Center for Nutraceuticals and Dietary Supplement Research, College of Health Sciences, University of Memphis, 106 Elma Roane Fieldhouse, Zach Curlin Rd., Memphis, TN 38152, USA; (D.M.); (J.L.H.); (F.H.K.); (R.K.B.); (R.J.B.)
| | - Faith H. Keating
- Center for Nutraceuticals and Dietary Supplement Research, College of Health Sciences, University of Memphis, 106 Elma Roane Fieldhouse, Zach Curlin Rd., Memphis, TN 38152, USA; (D.M.); (J.L.H.); (F.H.K.); (R.K.B.); (R.J.B.)
| | - Randal K. Buddington
- Center for Nutraceuticals and Dietary Supplement Research, College of Health Sciences, University of Memphis, 106 Elma Roane Fieldhouse, Zach Curlin Rd., Memphis, TN 38152, USA; (D.M.); (J.L.H.); (F.H.K.); (R.K.B.); (R.J.B.)
| | - Richard J. Bloomer
- Center for Nutraceuticals and Dietary Supplement Research, College of Health Sciences, University of Memphis, 106 Elma Roane Fieldhouse, Zach Curlin Rd., Memphis, TN 38152, USA; (D.M.); (J.L.H.); (F.H.K.); (R.K.B.); (R.J.B.)
| | - Anyou Wang
- Harry Feinstone Center for Genomic Research, University of Memphis, Memphis, TN 38152, USA;
| | - Dale D. Bowman
- Department of Mathematical Sciences, University of Memphis, Memphis, TN 38152, USA;
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Huang C, Li M, Liu B, Zhu H, Dai Q, Fan X, Mehta K, Huang C, Neupane P, Wang F, Sun W, Umar S, Zhong C, Zhang J. Relating Gut Microbiome and Its Modulating Factors to Immunotherapy in Solid Tumors: A Systematic Review. Front Oncol 2021; 11:642110. [PMID: 33816289 PMCID: PMC8012896 DOI: 10.3389/fonc.2021.642110] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2020] [Accepted: 02/24/2021] [Indexed: 12/18/2022] Open
Abstract
Background: Gut microbiome is proved to affect the activity of immunotherapy in certain tumors. However, little is known if there is universal impact on both the treatment response and adverse effects (AEs) of immune checkpoint inhibitors (ICIs) across multiple solid tumors, and whether such impact can be modulated by common gut microbiome modifiers, such as antibiotics and diet. Methods: A systematic search in PubMed followed by stringent manual review were performed to identify clinical cohort studies that evaluated the relevance of gut microbiome to ICIs (response and/or AEs, 12 studies), or association of antibiotics with ICIs (17 studies), or impact of diet on gut microbiome (16 studies). Only original studies published in English before April 1st, 2020 were used. Qualified studies identified in the reference were also included. Results: At the phylum level, patients who had enriched abundance in Firmicutes and Verrucomicrobia almost universally had better response from ICIs, whereas those who were enriched in Proteobacteria universally presented with unfavorable outcome. Mixed correlations were observed for Bacteroidetes in relating to treatment response. Regarding the AEs, Firmicutes correlated to higher incidence whereas Bacteroidetes were clearly associated with less occurrence. Interestingly, across various solid tumors, majority of the studies suggested a negative association of antibiotic use with clinical response from ICIs, especially within 1-2 month prior to the initiation of ICIs. Finally, we observed a significant correlation of plant-based diet in relating to the enrichment of “ICI-favoring” gut microbiome (P = 0.0476). Conclusions: Gut microbiome may serve as a novel modifiable biomarker for both the treatment response and AEs of ICIs across various solid tumors. Further study is needed to understand the underlying mechanism, minimize the negative impact of antibiotics on ICIs, and gain insight regarding the role of diet so that this important lifestyle factor can be harnessed to improve the therapeutic outcomes of cancer immunotherapy partly through its impact on gut microbiome.
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Affiliation(s)
- Chengliang Huang
- Department of Respiratory and Critical Care Medicine, The Affiliated Hospital of Southwest Medical University, Luzhou, China.,Division of Medical Oncology, Department of Internal Medicine, University of Kansas Cancer Center, University of Kansas Medical Center, Westwood, KS, United States
| | - Meizhang Li
- Department of Pathology and Laboratory Medicine, University of Kansas Medical Center, Kansas City, KS, United States
| | - Ben Liu
- Department of Electrical Engineering and Computer Science, University of Kansas, Lawrence, KS, United States
| | - Huanbo Zhu
- Division of Medical Oncology, Department of Internal Medicine, University of Kansas Cancer Center, University of Kansas Medical Center, Westwood, KS, United States.,Department of Gastrointestinal Surgery, The Second Affiliated Hospital & Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, China
| | - Qun Dai
- Division of Medical Oncology, Department of Internal Medicine, University of Kansas Cancer Center, University of Kansas Medical Center, Westwood, KS, United States
| | - Xianming Fan
- Department of Respiratory and Critical Care Medicine, The Affiliated Hospital of Southwest Medical University, Luzhou, China
| | - Kathan Mehta
- Division of Medical Oncology, Department of Internal Medicine, University of Kansas Cancer Center, University of Kansas Medical Center, Westwood, KS, United States
| | - Chao Huang
- Division of Medical Oncology, Department of Internal Medicine, University of Kansas Cancer Center, University of Kansas Medical Center, Westwood, KS, United States
| | - Prakash Neupane
- Division of Medical Oncology, Department of Internal Medicine, University of Kansas Cancer Center, University of Kansas Medical Center, Westwood, KS, United States
| | - Fen Wang
- Department of Radiation Oncology, University of Kansas Cancer Center, University of Kansas Medical Center, Kansas City, KS, United States
| | - Weijing Sun
- Division of Medical Oncology, Department of Internal Medicine, University of Kansas Cancer Center, University of Kansas Medical Center, Westwood, KS, United States
| | - Shahid Umar
- Department of Surgery, University of Kansas Cancer Center, University of Kansas Medical Center, Kansas City, KS, United States.,Department of Cancer Biology, University of Kansas Cancer Center, University of Kansas Medical Center, Kansas City, KS, United States
| | - Cuncong Zhong
- Department of Electrical Engineering and Computer Science, University of Kansas, Lawrence, KS, United States
| | - Jun Zhang
- Division of Medical Oncology, Department of Internal Medicine, University of Kansas Cancer Center, University of Kansas Medical Center, Westwood, KS, United States.,Department of Cancer Biology, University of Kansas Cancer Center, University of Kansas Medical Center, Kansas City, KS, United States
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Coutinho-Wolino KS, de F Cardozo LFM, de Oliveira Leal V, Mafra D, Stockler-Pinto MB. Can diet modulate trimethylamine N-oxide (TMAO) production? What do we know so far? Eur J Nutr 2021; 60:3567-3584. [PMID: 33533968 DOI: 10.1007/s00394-021-02491-6] [Citation(s) in RCA: 44] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2020] [Accepted: 01/08/2021] [Indexed: 02/08/2023]
Abstract
BACKGROUND Trimethylamine N-oxide (TMAO) is a metabolite that has attracted attention due to its positive association with several chronic non-communicable diseases such as insulin resistance, atherosclerotic plaque formation, diabetes, cancer, heart failure, hypertension, chronic kidney disease, liver steatosis, cardiac fibrosis, endothelial injury, neural degeneration and Alzheimer's disease. TMAO production results from the fermentation by the gut microbiota of dietary nutrients such as choline and carnitine, which are transformed to trimethylamine (TMA) and converted into TMAO in the liver by flavin-containing monooxygenase 1 and 3 (FMO1 and FMO3). Considering that TMAO is involved in the development of many chronic diseases, strategies have been found to enhance a healthy gut microbiota. In this context, some studies have shown that nutrients and bioactive compounds from food can modulate the gut microbiota and possibly reduce TMAO production. OBJECTIVE This review has as main objective to discuss the studies that demonstrated the effects of food on the reduction of this harmful metabolite. METHODS All relevant articles until November 2020 were included. The articles were searched in Medline through PubMed. RESULTS Both the food is eaten acutely and chronically, by altering the nature of the gut microbiota, influencing colonic TMA production. Furthermore, hepatic production of TMAO by the flavin monooxygenases in the liver may also be influenced by phenolic compounds present in foods. CONCLUSION The evidence presented in this review shows that TMAO levels can be reduced by some bioactive compounds. However, it is crucial to notice that there is significant variation among the studies. Further clinical studies should be conducted to evaluate these dietary components' effectiveness, dose, and intervention time on TMAO levels and its precursors.
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Affiliation(s)
| | - Ludmila F M de F Cardozo
- Postgraduate Program in Cardiovascular Sciences, Faculty of Medicine, Fluminense Federal University, Niterói, Brazil
| | - Viviane de Oliveira Leal
- Division of Nutrition, Pedro Ernesto University Hospital, State University of Rio de Janeiro (UERJ), Rio de Janeiro, Brazil
| | - Denise Mafra
- Postgraduate Program in Nutrition Sciences, Fluminense Federal University (UFF), Niterói, RJ, Brazil.,Postgraduate Program in Cardiovascular Sciences, Faculty of Medicine, Fluminense Federal University, Niterói, Brazil.,Postgraduate Program in Medical Sciences, Faculty of Medicine, Fluminense Federal University, Niterói, Brazil
| | - Milena Barcza Stockler-Pinto
- Postgraduate Program in Nutrition Sciences, Fluminense Federal University (UFF), Niterói, RJ, Brazil.,Postgraduate Program in Cardiovascular Sciences, Faculty of Medicine, Fluminense Federal University, Niterói, Brazil
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Luo J, Lin X, Bordiga M, Brennan C, Xu B. Manipulating effects of fruits and vegetables on gut microbiota – a critical review. Int J Food Sci Technol 2021. [DOI: 10.1111/ijfs.14927] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Jing Luo
- Food Science and Technology Program BNU–HKBU United International College Zhuhai China
| | - Xian Lin
- Food Science and Technology Program BNU–HKBU United International College Zhuhai China
- Guangdong Academy of Agricultural Sciences/Key Laboratory of Functional Foods Ministry of Agriculture and Rural Affairs/Guangdong Key Laboratory of Agricultural Products Processing Sericultural & Agri‐Food Research Institute Guangdong China
| | - Matteo Bordiga
- Dipartimento di Scienze del Farmaco Università degli Studi del Piemonte Orientale ‘A. Avogadro’ Novara Italy
| | - Charles Brennan
- Faculty of Agriculture and Life Sciences Lincoln University Christchurch New Zealand
| | - Baojun Xu
- Food Science and Technology Program BNU–HKBU United International College Zhuhai China
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Abstract
There is increasing evidence for the health benefits of dietary nitrates including lowering blood pressure and enhancing cardiovascular health. Although commensal oral bacteria play an important role in converting dietary nitrate to nitrite, very little is known about the potential role of these bacteria in blood pressure regulation and maintenance of vascular tone. The main purpose of this review is to present the current evidence on the involvement of the oral microbiome in mediating the beneficial effects of dietary nitrate on vascular function and to identify sources of inter-individual differences in bacterial composition. A systematic approach was used to identify the relevant articles published on PubMed and Web of Science in English from January 1950 until September 2019 examining the effects of dietary nitrate on oral microbiome composition and association with blood pressure and vascular tone. To date, only a limited number of studies have been conducted, with nine in human subjects and three in animals focusing mainly on blood pressure. In general, elimination of oral bacteria with use of a chlorhexidine-based antiseptic mouthwash reduced the conversion of nitrate to nitrite and was accompanied in some studies by an increase in blood pressure in normotensive subjects. In conclusion, our findings suggest that oral bacteria may play an important role in mediating the beneficial effects of nitrate-rich foods on blood pressure. Further human intervention studies assessing the potential effects of dietary nitrate on oral bacteria composition and relationship to real-time measures of vascular function are needed, particularly in individuals with hypertension and those at risk of developing CVD.
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Abstract
Habitual dietary intake is a major determinant of the species composition and functional output of the trillions of microorganisms residing in the human gut. Diet influences which microbes will colonise, flourish or disappear throughout life. An increase in polyphenols, oligosaccharides and fibre, which are all components found in a fruit and vegetable-rich diet, have long been associated with decreased risk of chronic diseases. Many of the benefits induced by this type of diet result from the interaction of these dietary components with the gut microbiome, where they selectively enrich specific microbial species and increase microbial diversity. Understanding the interaction of habitual dietary patterns on the gut microbiome will lead to rational dietary manipulation to improve human health through prevention and treatment of disease.
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González-Soltero R, Bailén M, de Lucas B, Ramírez-Goercke MI, Pareja-Galeano H, Larrosa M. Role of Oral and Gut Microbiota in Dietary Nitrate Metabolism and Its Impact on Sports Performance. Nutrients 2020; 12:E3611. [PMID: 33255362 PMCID: PMC7760746 DOI: 10.3390/nu12123611] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2020] [Revised: 10/30/2020] [Accepted: 11/20/2020] [Indexed: 12/20/2022] Open
Abstract
Nitrate supplementation is an effective, evidence-based dietary strategy for enhancing sports performance. The effects of dietary nitrate seem to be mediated by the ability of oral bacteria to reduce nitrate to nitrite, thus increasing the levels of nitrite in circulation that may be further reduced to nitric oxide in the body. The gut microbiota has been recently implicated in sports performance by improving muscle function through the supply of certain metabolites. In this line, skeletal muscle can also serve as a reservoir of nitrate. Here we review the bacteria of the oral cavity involved in the reduction of nitrate to nitrite and the possible changes induced by nitrite and their effect on gastrointestinal balance and gut microbiota homeostasis. The potential role of gut bacteria in the reduction of nitrate to nitrite and as a supplier of the signaling molecule nitric oxide to the blood circulation and muscles has not been explored in any great detail.
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Affiliation(s)
- Rocío González-Soltero
- Faculty of Biomedical and Health Sciences, Universidad Europea de Madrid, Villaviciosa de Odón, 28670 Madrid, Spain; (M.B.); (M.I.R.-G.)
| | - María Bailén
- Faculty of Biomedical and Health Sciences, Universidad Europea de Madrid, Villaviciosa de Odón, 28670 Madrid, Spain; (M.B.); (M.I.R.-G.)
| | - Beatriz de Lucas
- Faculty of Sports Sciences, Universidad Europea de Madrid, Villaviciosa de Odón, 28670 Madrid, Spain; (B.d.L.); (H.P.-G.); (M.L.)
| | - Maria Isabel Ramírez-Goercke
- Faculty of Biomedical and Health Sciences, Universidad Europea de Madrid, Villaviciosa de Odón, 28670 Madrid, Spain; (M.B.); (M.I.R.-G.)
| | - Helios Pareja-Galeano
- Faculty of Sports Sciences, Universidad Europea de Madrid, Villaviciosa de Odón, 28670 Madrid, Spain; (B.d.L.); (H.P.-G.); (M.L.)
| | - Mar Larrosa
- Faculty of Sports Sciences, Universidad Europea de Madrid, Villaviciosa de Odón, 28670 Madrid, Spain; (B.d.L.); (H.P.-G.); (M.L.)
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Guo W, Wu D, Dao MC, Li L, Lewis ED, Ortega EF, Eom H, Thomas M, Nikolova-Karakashian M, Meydani M, Meydani SN. A Novel Combination of Fruits and Vegetables Prevents Diet-Induced Hepatic Steatosis and Metabolic Dysfunction in Mice. J Nutr 2020; 150:2950-2960. [PMID: 32939550 PMCID: PMC7919336 DOI: 10.1093/jn/nxaa259] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2020] [Revised: 06/01/2020] [Accepted: 08/04/2020] [Indexed: 12/29/2022] Open
Abstract
BACKGROUND Epidemiological studies suggest that higher fruits and vegetables (F&V) consumption correlates with reduced risk of hepatic steatosis, yet evidence for causality and the underlying mechanisms is lacking. OBJECTIVES We aimed to determine the causal relation between F&V consumption and improved metabolic disorders in mice fed high-fat (HF) (Experiment-1) or normal-fat (Experiment-2) diets and its underlying mechanisms. METHODS Six-week-old male C57BL/6J mice were randomly grouped and fed diets supplemented at 0%-15% (wt:wt) with a freeze-dried powder composed of 24 commonly consumed F&V (human equivalent of 0-9 servings/d) for 20 wk. In Experiment-1, mice were fed an HF (45% kcal fat) diet with 0% (HF0), 5%, 10%, or 15% (HF15) F&V or a matched low-fat control diet (10% kcal fat). In Experiment-2, mice were fed an AIN-93 diet (basal) (B, 16% kcal fat) with 0% (B0), 5%, 10%, or 15% (B15) F&V supplementation. Body weight and composition, food intake, hepatic steatosis, inflammation, ceramide levels, sphingomyelinase activity, and gut microbiota were assessed. RESULTS In Experiment-1, mice fed the HF15 diet had lower weight gain (17.9%), hepatic steatosis (48.4%), adipose tissue inflammation, blood (24.6%) and liver (33.9%) ceramide concentrations, and sphingomyelinase activity (38.8%) than HF0 mice (P < 0.05 for all). In Experiment-2, mice fed the B15 diet had no significant changes in weight gain but showed less hepatic steatosis (28.5%), blood and adipose tissue inflammation, and lower blood (30.0%) ceramide concentrations than B0 mice (P < 0.05 for all). These F&V effects were associated with favorable microbiota changes. CONCLUSIONS These findings represent the first evidence for a causal role of high F&V intake in mitigating hepatic steatosis in mice. These beneficial effects may be mediated through changes in ceramide and/or gut microbiota, and suggest that higher than currently recommended servings of F&V may be needed to achieve maximum health benefits.
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Affiliation(s)
- Weimin Guo
- Jean Mayer USDA Human Nutrition Research Center on Aging at Tufts University, Boston, MA, USA
| | - Dayong Wu
- Jean Mayer USDA Human Nutrition Research Center on Aging at Tufts University, Boston, MA, USA
| | - Maria C Dao
- Jean Mayer USDA Human Nutrition Research Center on Aging at Tufts University, Boston, MA, USA
| | - Lijun Li
- Jean Mayer USDA Human Nutrition Research Center on Aging at Tufts University, Boston, MA, USA
| | - Erin D Lewis
- Jean Mayer USDA Human Nutrition Research Center on Aging at Tufts University, Boston, MA, USA
| | - Edwin F Ortega
- Jean Mayer USDA Human Nutrition Research Center on Aging at Tufts University, Boston, MA, USA
| | - Heesun Eom
- Jean Mayer USDA Human Nutrition Research Center on Aging at Tufts University, Boston, MA, USA
| | - Michael Thomas
- Jean Mayer USDA Human Nutrition Research Center on Aging at Tufts University, Boston, MA, USA
| | | | - Mohsen Meydani
- Jean Mayer USDA Human Nutrition Research Center on Aging at Tufts University, Boston, MA, USA
| | - Simin N Meydani
- Jean Mayer USDA Human Nutrition Research Center on Aging at Tufts University, Boston, MA, USA
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Abstract
Nutritional content and timing are increasingly appreciated to constitute important human variables collectively impacting all aspects of human physiology and disease. However, person-specific mechanisms driving nutritional impacts on the human host remain incompletely understood, while current dietary recommendations remain empirical and nonpersonalized. Precision nutrition aims to harness individualized bodies of data, including the human gut microbiome, in predicting person-specific physiological responses (such as glycemic responses) to food. With these advances notwithstanding, many unknowns remain, including the long-term efficacy of such interventions in delaying or reversing human metabolic disease, mechanisms driving these dietary effects, and the extent of the contribution of the gut microbiome to these processes. We summarize these conceptual advances, while highlighting challenges and means of addressing them in the next decade of study of precision medicine, toward generation of insights that may help to evolve precision nutrition as an effective future tool in a variety of "multifactorial" human disorders.
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Impacts of Habitual Diets Intake on Gut Microbial Counts in Healthy Japanese Adults. Nutrients 2020; 12:nu12082414. [PMID: 32806561 PMCID: PMC7468936 DOI: 10.3390/nu12082414] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2020] [Revised: 08/03/2020] [Accepted: 08/04/2020] [Indexed: 12/11/2022] Open
Abstract
Although diet is an important factor influencing gut microbiota, there are very few studies regarding that relationship in Japanese people. Here, we analyzed the relationship between habitual dietary intake surveyed by food frequency questionnaire and the quantitative features of gut bacteria by quantitative PCR and next generation sequencer in 354 healthy Japanese adults. The α-diversity of gut microbiota was positively correlated with the intake of mushrooms and beans and negatively correlated with the intake of grains. The β-diversity was significantly associated with the intake of fruits, mushrooms, seaweeds, seafoods, and alcoholic beverages. Multiple linear regression analysis of the relationship between food groups associated with the diversity of gut microbiota and the number of gut bacteria at the genus level found 24 significant associations, including a positive association between alcoholic beverages and the number of Fusobacterium. These results support that habitual dietary intake influenced the diversity of gut microbiota and was strongly associated with the number of specific gut bacteria. These results will help us to understand the complex relationship between habitual diet and gut microbiota of the Japanese.
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43
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Structural and functional characteristics of the fecal-associated microbiome in dampness-heat constitution. Eur J Integr Med 2020. [DOI: 10.1016/j.eujim.2020.101166] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
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44
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Bladder cancer-related microbiota: examining differences in urine and tissue samples. Sci Rep 2020; 10:11042. [PMID: 32632181 PMCID: PMC7338485 DOI: 10.1038/s41598-020-67443-2] [Citation(s) in RCA: 60] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2020] [Accepted: 06/03/2020] [Indexed: 01/10/2023] Open
Abstract
The microbiota isolated from the urine of bladder carcinoma patients exhibits significantly increased compositional abundance of some bacterial genera compared to the urine of healthy patients. Our aim was to compare the microbiota composition of cancerous tissues and urine samples collected from the same set of patients in order to improve the accuracy of diagnostic measures. Tissue samples were collected from patients during cancer tissue removal by transurethral resection. In parallel, urine samples were obtained by transurethral resectoscopy from the same patients. The V3–V4 region of the bacterial 16S rRNA gene was sequenced and analyzed using the Kraken pipeline. In the case of four patients, duplicate microbiota analysis from distant parts of the cancerous tissues was highly reproducible, and independent of the site of tissue collection of any given patient. Akkermansia, Bacteroides, Clostridium sensu stricto, Enterobacter and Klebsiella, as “five suspect genera”, were over-represented in tissue samples compared to the urine. To our knowledge, this is the first study comparing urinary and bladder mucosa-associated microbiota profiles in bladder cancer patients. More accurate characterization of changes in microbiota composition during bladder cancer progression could provide new opportunities in the development of appropriate screening or monitoring methods.
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Silva ALLE, Santos DCD, Sousa TLD, Silva FG, Egea MB. “Cerrado” cashew (Anacardium othonianum Rizz.) juice improves metabolic parameters in women: A pilot study. J Funct Foods 2020. [DOI: 10.1016/j.jff.2020.103950] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
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de Oliveira SPA, do Nascimento HMA, Sampaio KB, de Souza EL. A review on bioactive compounds of beet ( Beta vulgaris L. subsp. vulgaris) with special emphasis on their beneficial effects on gut microbiota and gastrointestinal health. Crit Rev Food Sci Nutr 2020; 61:2022-2033. [PMID: 32449379 DOI: 10.1080/10408398.2020.1768510] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
This review discusses the available literature concerning the bioactive compounds of beet (Beta vulgaris L.) and their ability to modulate the gut microbiota and parameters indicative of gastrointestinal health. Data of published literature characterize beet as a source of a variety of bioactive compounds (e.g. diet fiber, pectic-oligosaccharides, betalains and phenolics) with proven beneficial effects on human health. Beet extracts and pectin and pectic-oligosaccharides from beet have shown able to modulate positively gut microbiota composition and activity, with noticeable bifidogenic effects, in addition to stimulate the growth and metabolism of probiotics. Beet betalains and phenolics seem to increase the production of metabolites (e.g. short chain fatty acids) by gut microbiota and probiotics, which are linked with different beneficial effects on host health. The outstanding contents of betalains and phenolics with antioxidant, anti-inflammatory and anti-carcinogenic properties have been linked to the positive effects of beet on gastrointestinal health. Beet should be a healthy choice for use in domestic meal preparations and a source of ingredients to formulate added-value functionalized food products.
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Affiliation(s)
| | | | - Karoliny Brito Sampaio
- Laboratory of Food Microbiology, Department of Nutrition, Health Sciences Center, Federal University of Paraíba, João Pessoa, Brazil
| | - Evandro Leite de Souza
- Laboratory of Food Microbiology, Department of Nutrition, Health Sciences Center, Federal University of Paraíba, João Pessoa, Brazil
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Chung HJ, Lee H, Na G, Jung H, Kim DG, Shin SI, Jung SE, Choi ID, Lee JH, Sim JH, Choi HK. Metabolic and Lipidomic Profiling of Vegetable Juices Fermented with Various Probiotics. Biomolecules 2020; 10:biom10050725. [PMID: 32384794 PMCID: PMC7281372 DOI: 10.3390/biom10050725] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2020] [Revised: 04/27/2020] [Accepted: 05/02/2020] [Indexed: 11/16/2022] Open
Abstract
Fermented vegetable juices have gained attention due to their various beneficial effects on human health. In this study, we employed gas chromatography-mass spectrometry, direct infusion-mass spectrometry, and liquid chromatography-mass spectrometry to identify useful metabolites, lipids, and carotenoids in vegetable juice (VJ) fermented with Lactobacillus plantarum HY7712, Lactobacillus plantarum HY7715, Lactobacillus helveticus HY7801, and Bifidobacterium animalis ssp. lactis HY8002. A total of 41 metabolites, 24 lipids, and 4 carotenoids were detected in the fermented and non-fermented VJ (control). The lycopene, α-carotene, and β-carotene levels were higher in VJ fermented with L. plantarum strains (HY7712 and HY7715) than in the control. Proline content was also elevated in VJ fermented with HY7715. Uracil, succinic acid, and α-carotene concentration was increased in VJ fermented with HY7801, while glycine and lycopene levels were raised in VJ fermented with HY8002. This study confirmed that each probiotic strain has distinctive characteristics and produces unique changes to metabolic profiles of VJ during fermentation. Our results suggest that probiotic-fermented VJ is a promising functional beverage that contains more beneficial metabolites and carotenoids than commercial non-fermented VJ.
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Affiliation(s)
- Hyuk-Jin Chung
- College of Pharmacy, Chung-Ang University, Seoul 06974, Korea; (H.-J.C.); (H.L.)
- Korea Yakult Co., Ltd., Yongin 17086, Korea; (G.N.); (H.J.); (D.-G.K.); (S.-I.S.); (S.-E.J.); (I.-d.C.); (J.-H.L.); (J.-H.S.)
| | - Hwanhui Lee
- College of Pharmacy, Chung-Ang University, Seoul 06974, Korea; (H.-J.C.); (H.L.)
| | - Guknam Na
- Korea Yakult Co., Ltd., Yongin 17086, Korea; (G.N.); (H.J.); (D.-G.K.); (S.-I.S.); (S.-E.J.); (I.-d.C.); (J.-H.L.); (J.-H.S.)
| | - Heechul Jung
- Korea Yakult Co., Ltd., Yongin 17086, Korea; (G.N.); (H.J.); (D.-G.K.); (S.-I.S.); (S.-E.J.); (I.-d.C.); (J.-H.L.); (J.-H.S.)
| | - Dong-Gun Kim
- Korea Yakult Co., Ltd., Yongin 17086, Korea; (G.N.); (H.J.); (D.-G.K.); (S.-I.S.); (S.-E.J.); (I.-d.C.); (J.-H.L.); (J.-H.S.)
| | - Sang-Ick Shin
- Korea Yakult Co., Ltd., Yongin 17086, Korea; (G.N.); (H.J.); (D.-G.K.); (S.-I.S.); (S.-E.J.); (I.-d.C.); (J.-H.L.); (J.-H.S.)
| | - Seong-Eun Jung
- Korea Yakult Co., Ltd., Yongin 17086, Korea; (G.N.); (H.J.); (D.-G.K.); (S.-I.S.); (S.-E.J.); (I.-d.C.); (J.-H.L.); (J.-H.S.)
| | - Il-dong Choi
- Korea Yakult Co., Ltd., Yongin 17086, Korea; (G.N.); (H.J.); (D.-G.K.); (S.-I.S.); (S.-E.J.); (I.-d.C.); (J.-H.L.); (J.-H.S.)
| | - Jae-Hwan Lee
- Korea Yakult Co., Ltd., Yongin 17086, Korea; (G.N.); (H.J.); (D.-G.K.); (S.-I.S.); (S.-E.J.); (I.-d.C.); (J.-H.L.); (J.-H.S.)
| | - Jae-Hun Sim
- Korea Yakult Co., Ltd., Yongin 17086, Korea; (G.N.); (H.J.); (D.-G.K.); (S.-I.S.); (S.-E.J.); (I.-d.C.); (J.-H.L.); (J.-H.S.)
| | - Hyung-Kyoon Choi
- College of Pharmacy, Chung-Ang University, Seoul 06974, Korea; (H.-J.C.); (H.L.)
- Correspondence: ; Tel.: +82-2-820-5605; Fax: 82-2-812-3921
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Zhu L, Hu B, Guo Y, Yang H, Zheng J, Yao X, Hu H, Liu H. Effect of Chitosan oligosaccharides on ischemic symptom and gut microbiota disbalance in mice with hindlimb ischemia. Carbohydr Polym 2020; 240:116271. [PMID: 32475560 DOI: 10.1016/j.carbpol.2020.116271] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2020] [Revised: 03/16/2020] [Accepted: 04/07/2020] [Indexed: 02/07/2023]
Abstract
This study was designed to explore the effect of Chitosan oligosaccharides (COS) on mouse hindlimb ischemia by femoral artery ligation. Here, we demonstrated that COS treatment statistically promoted the blood perfusion and neovascularization in ischemic hindlimb of mice, accompanied by the suppression of inflammation and oxidative stress. By 16S rDNA gene sequencing, the disbalanced gut microbiota was observed in ischemic mice, while COS treatment, at least in part, restored the abundance changes of some intestinal bacteria at either phylum or genus levels. Based on metabolomics analysis on mouse plasma by UPLC-QTOF-MS, we screened 20 metabolites with the largest responses to ischemia, several of which were markedly reversed by COS. By Spearman's correlation analysis, the changed metabolites might act as a bridge between improved intestinal bacterial structure and alleviated hindlimb ischemia of mice treated by COS. Our studies point towards a potential role of COS in treatment of peripheral ischemia diseases.
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Affiliation(s)
- Lin Zhu
- College of Basic Medical Sciences, Hubei University of Chinese Medicine, Huangjiahu West Road 16, Wuhan 430065, PR China
| | - Baifei Hu
- College of Basic Medical Sciences, Hubei University of Chinese Medicine, Huangjiahu West Road 16, Wuhan 430065, PR China
| | - Yanlei Guo
- Chongqing Academy of Chinese Materia Medica, Nanshan Road 34, Chongqing 400065, PR China
| | - Huabing Yang
- College of Basic Medical Sciences, Hubei University of Chinese Medicine, Huangjiahu West Road 16, Wuhan 430065, PR China
| | - Junping Zheng
- College of Basic Medical Sciences, Hubei University of Chinese Medicine, Huangjiahu West Road 16, Wuhan 430065, PR China
| | - Xiaowei Yao
- College of Basic Medical Sciences, Hubei University of Chinese Medicine, Huangjiahu West Road 16, Wuhan 430065, PR China
| | - Haiming Hu
- College of Basic Medical Sciences, Hubei University of Chinese Medicine, Huangjiahu West Road 16, Wuhan 430065, PR China.
| | - Hongtao Liu
- College of Basic Medical Sciences, Hubei University of Chinese Medicine, Huangjiahu West Road 16, Wuhan 430065, PR China; Chongqing Academy of Chinese Materia Medica, Nanshan Road 34, Chongqing 400065, PR China.
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49
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Rocha BS, Laranjinha J. Nitrate from diet might fuel gut microbiota metabolism: Minding the gap between redox signaling and inter-kingdom communication. Free Radic Biol Med 2020; 149:37-43. [PMID: 32045656 DOI: 10.1016/j.freeradbiomed.2020.02.001] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/30/2019] [Revised: 01/29/2020] [Accepted: 02/03/2020] [Indexed: 12/19/2022]
Abstract
The gut microbiota has been recently interpreted in terms of a metabolic organ that influences the host through reciprocal interactions, encompassing metabolic and immune pathways, genetic and epigenetic programming in host mammal tissues in a diet-depended manner, that shape virtually all aspects of host physiology. In this scenario, dietary nitrate, a major component of leafy green vegetables known for their health benefits, might fuel microbiota metabolism with ensued consequences for microbiota-host interaction. Cumulating evidence support that nitrate shapes oral microbiome communities with impact on the kinetics and systemic levels of both nitrate and nitrite. However, the impact of nitrate, which is steadily delivered into the lower gastrointestinal tract after a vegetable-rich meal, in the intestinal microbiome communities and their functional capacity remains largely elusive. Several mechanisms reinforce the notion that nitrate may be a nutrient for the lower microbiome and might participate in local redox interactions with relevance for bacteria-host interactions, among these nitric oxide-dependent mechanisms along the nitrate-nitrite-nitric oxide pathway. Also, by allowing bacteria to thrive, either by increasing microbial biomass or by acting as a respiratory substrate for the existing communities, nitrate ensures the production of bacterial metabolites (e.g., pathogen-associated molecular patterns, PAMP, short chain fatty acids, among other) that are recognised by host receptors (such as toll-like, TLR, and formyl peptide receptors, FPR) thereby activating local signalling pathways. Here, we elaborate on the notion that via modulation of intestinal microbiota metabolism, dietary nitrate impacts on host-microbiota metabolic and redox interactions, thereby contributing as an essential nutrient to optimal health.
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Affiliation(s)
- Bárbara S Rocha
- Faculty of Pharmacy and Center for Neuroscience and Cell Biology, University of Coimbra, Health Sciences Campus, Azinhaga de Santa Comba, 3000-548, Coimbra, Portugal.
| | - João Laranjinha
- Faculty of Pharmacy and Center for Neuroscience and Cell Biology, University of Coimbra, Health Sciences Campus, Azinhaga de Santa Comba, 3000-548, Coimbra, Portugal
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50
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Abstract
Diet and nutrition play an important role in the development and management of food allergy. The diet of expectant mothers can have an effect on their offspring in terms of allergic outcomes. A host of confounding factors may influence this, with a maternal diet rich in fruits and vegetables, fish, vitamin D-rich foods associated with a lower risk of allergic disease in their children. More surprisingly, the consumption of milk and butter has also been shown to have a protective effect, especially in a farm environment. Similarly, the diet of the infant can also be important, not only in terms of breast feeding, but also the timing of the introduction of complementary foods, the diversity of the diet and the effect of individual foods on the development of allergy. One factor which has clearly been shown not to influence the development of food allergy is allergen avoidance by expectant mothers. In the infant diet, the manipulation of the gut microbiome to prevent the development of atopic disease is clearly an area which promises much, although studies have yet to provide a breakthrough in the prevention of atopic dermatitis. More concrete evidence of the value of diet in prevention has come from studies evaluating infant eating patterns which may protect gut health, through the consumption of large amounts of home-processed fruits and vegetables. The consumption of fish during the first year of life has also been shown to be protective. The importance of nutritional issues in children and adults who have a food allergy has become much more accepted in recent years. The primary allergenic foods in infancy and childhood, milk, egg, wheat and soy are also ones which are present in many foods and thus their avoidance can be problematic from a nutritional perspective. Thus, children with a food allergy can have their growth compromised through avoidance, especially pre-diagnosis, when foods may be excluded without any expert nutritional input. The management of a food allergy largely remains the exclusion of the offending food(s), but it is now clear that in doing so, children in particular can be at nutritional risk if insufficient attention is paid to the rest of the diet. Adults with food allergy are often thought not to need nutritional counselling; however, many will exclude a wide range of foods due to anxiety about trace exposure, or similar foods causing reactions. The avoidance of staple foods such as milk and wheat are common, but substitute foods very often do not have comparable nutritional profiles. Adults may also be more susceptible to on-line promotion of extreme nutritional regimes which can be extremely harmful. All food allergic individuals, whatever their age, should have a nutrition review to ensure they are consuming a healthy, balanced diet, and are not avoiding food groups unnecessarily.
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Affiliation(s)
- Isabel J Skypala
- Royal Brompton and Harefield NHS Foundation Trust, London, UK. .,Imperial College, London, UK.
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