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Liang S, Zhang H, Mo Y, Li Y, Zhang X, Cao H, Xie S, Wang D, Lv Y, Wu Y, Zhang Z, Yang W. Urinary Equol and Equol-Predicting Microbial Species Are Favorably Associated With Cardiometabolic Risk Markers in Chinese Adults. J Am Heart Assoc 2024; 13:e034126. [PMID: 38934874 PMCID: PMC11255694 DOI: 10.1161/jaha.123.034126] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/21/2023] [Accepted: 05/30/2024] [Indexed: 06/28/2024]
Abstract
BACKGROUND The association between soy isoflavones intake and cardiometabolic health remains inconclusive. We investigated the associations of urinary biomarkers of isoflavones including daidzein, glycitein, genistein, equol (a gut microbial metabolite of daidzein), and equol-predicting microbial species with cardiometabolic risk markers. METHODS AND RESULTS In a 1-year study of 305 Chinese community-dwelling adults aged ≥18 years, urinary isoflavones, fecal microbiota, blood pressure, blood glucose and lipids, and anthropometric data were measured twice, 1 year apart. Brachial-ankle pulse wave velocity was also measured after 1 year. A linear mixed-effects model was used to analyze repeated measurements. Logistic regression was used to calculate the adjusted odds ratio (aOR) and 95% CI for the associations for arterial stiffness. Each 1 μg/g creatinine increase in urinary equol concentrations was associated with 1.47%, 0.96%, and 3.32% decrease in triglycerides, plasma atherogenic index, and metabolic syndrome score, respectively (all P<0.05), and 0.61% increase in high-density lipoprotein cholesterol (P=0.025). Urinary equol was also associated with lower risk of arterial stiffness (aOR, 0.28 [95% CI, 0.09-0.90]; Ptrend=0.036). We identified 21 bacterial genera whose relative abundance was positively associated with urinary equol (false discovery rate-corrected P<0.05) and constructed a microbial species score to reflect the overall equol-predicting capacity. This score (per 1-point increase) was inversely associated with triglycerides (percentage difference=-1.48%), plasma atherogenic index (percentage difference=-0.85%), and the risk of arterial stiffness (aOR, 0.27 [95% CI, 0.08-0.88]; all P<0.05). CONCLUSIONS Our findings suggest that urinary equol and equol-predicting microbial species may improve cardiometabolic risk parameters in Chinese adults.
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Affiliation(s)
- Shaoxian Liang
- Department of Nutrition, Center for Big Data and Population Health of IHMSchool of Public Health, Anhui Medical UniversityHefeiAnhuiChina
- Key Laboratory of Population Health Across Life Cycle (Anhui Medical University)Ministry of Education of the People’s Republic of ChinaHefeiAnhuiChina
- NHC Key Laboratory of Study on Abnormal Gametes and Reproductive TractHefeiAnhuiChina
- Anhui Provincial Key Laboratory of Population Health and Aristogenics, Key Laboratory of Environmental Toxicology of Anhui Higher Education Institutes, Anhui Medical UniversityHefeiAnhuiChina
| | - Honghua Zhang
- Department of Nutrition, Center for Big Data and Population Health of IHMSchool of Public Health, Anhui Medical UniversityHefeiAnhuiChina
| | - Yufeng Mo
- Department of Nutrition, Center for Big Data and Population Health of IHMSchool of Public Health, Anhui Medical UniversityHefeiAnhuiChina
| | - Yamin Li
- Department of Nutrition, Center for Big Data and Population Health of IHMSchool of Public Health, Anhui Medical UniversityHefeiAnhuiChina
| | - Xiaoyu Zhang
- Department of Physical Examination CenterThe First Affiliated Hospital of Anhui Medical UniversityHefeiAnhuiChina
| | - Hongjuan Cao
- Department of Chronic Noncommunicable Diseases Prevention and ControlLu’an Municipal Center for Disease Control and PreventionLu’anAnhuiChina
| | - Shaoyu Xie
- Department of Chronic Noncommunicable Diseases Prevention and ControlLu’an Municipal Center for Disease Control and PreventionLu’anAnhuiChina
| | - Danni Wang
- Department of Nutrition, Center for Big Data and Population Health of IHMSchool of Public Health, Anhui Medical UniversityHefeiAnhuiChina
| | - Yaning Lv
- Technology Center of Hefei Customs, and Anhui Province Key Laboratory of Analysis and Detection for Food SafetyHefeiAnhuiChina
| | - Yaqin Wu
- Technology Center of Hefei Customs, and Anhui Province Key Laboratory of Analysis and Detection for Food SafetyHefeiAnhuiChina
| | - Zhuang Zhang
- Department of Nutrition, Center for Big Data and Population Health of IHMSchool of Public Health, Anhui Medical UniversityHefeiAnhuiChina
| | - Wanshui Yang
- Department of Nutrition, Center for Big Data and Population Health of IHMSchool of Public Health, Anhui Medical UniversityHefeiAnhuiChina
- Key Laboratory of Population Health Across Life Cycle (Anhui Medical University)Ministry of Education of the People’s Republic of ChinaHefeiAnhuiChina
- NHC Key Laboratory of Study on Abnormal Gametes and Reproductive TractHefeiAnhuiChina
- Anhui Provincial Key Laboratory of Population Health and Aristogenics, Key Laboratory of Environmental Toxicology of Anhui Higher Education Institutes, Anhui Medical UniversityHefeiAnhuiChina
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Quan J, Zhang T, Gu Y, Meng G, Zhang Q, Liu L, Wu H, Zhang S, Wang X, Zhang J, Sun S, Wang X, Zhou M, Jia Q, Song K, Niu K. Green tea intake and the risk of hypertension in premenopausal women: the TCLSIH cohort study. Food Funct 2023; 14:4406-4413. [PMID: 37097224 DOI: 10.1039/d2fo03342a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/26/2023]
Abstract
Background and aims: Tea polyphenols, such as green tea polyphenols, have been extensively studied as agents that ameliorate cardiovascular disease and blood pressure in vitro and in animal studies. However, epidemiological evidence for the association of green tea consumption with hypertension (HTN) is inconsistent. In addition, such an association has not been prospectively examined in the general adult population, particularly among young women. Therefore, we designed a cohort study to examine whether green tea consumption increases the risk of HTN in premenopausal women. Methods and results: This prospective cohort study investigated 6633 premenopausal female participants without hypertension, cardiovascular disease, and cancer at the baseline. Green tea consumption was measured at the baseline using a validated food frequency questionnaire. Hypertension was confirmed with the SBP ≥140 mm Hg-1 or with the DBP ≥90 mm Hg-1. Cox proportional hazards regression models were used to examine the association of green tea consumption with incident hypertension. A total of 488 first incident cases of hypertension occurred during 24 957 person-years of follow-up (median follow-up of 4.0 years). After adjustment for potential confounding variables, the multivariable hazard ratios (95% confidence intervals) for incident hypertension in premenopausal female participants with different green tea consumption frequencies were 1.00 (reference) for almost never, 0.84 (0.67, 1.07) for 1 cup per week, 1.02 (0.77, 1.35) for 2-6 cups per week, and 0.65 (0.44, 0.96) for ≥1 cup per day. Conclusions: The results from our prospective study indicate that the consumption of green tea is associated with a reduced risk of HTN in premenopausal women.
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Affiliation(s)
- Jing Quan
- Institute of Radiation Medicine, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin, China.
- School of Public Health of Tianjin University of Traditional Chinese Medicine, Tianjin, China
- Nutritional Epidemiology Institute and School of Public Health, Tianjin Medical University, Tianjin, China.
| | - Tingjing Zhang
- School of Public Health of Tianjin University of Traditional Chinese Medicine, Tianjin, China
- School of Public Health, Wannan Medical College, 22 West Wenchang Road, Wuhu, Anhui Province, 241002, People's Republic of China
| | - Yeqing Gu
- Institute of Radiation Medicine, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin, China.
| | - Ge Meng
- School of Public Health of Tianjin University of Traditional Chinese Medicine, Tianjin, China
- Department of Toxicology and Sanitary Chemistry, School of Public Health, Tianjin Medical University, Tianjin, China
| | - Qing Zhang
- Health Management Centre, Tianjin Medical University General Hospital, Tianjin, China
| | - Li Liu
- Health Management Centre, Tianjin Medical University General Hospital, Tianjin, China
| | - Hongmei Wu
- School of Public Health of Tianjin University of Traditional Chinese Medicine, Tianjin, China
- Nutritional Epidemiology Institute and School of Public Health, Tianjin Medical University, Tianjin, China.
| | - Shunming Zhang
- School of Public Health of Tianjin University of Traditional Chinese Medicine, Tianjin, China
- Nutritional Epidemiology Institute and School of Public Health, Tianjin Medical University, Tianjin, China.
| | - Xuena Wang
- School of Public Health of Tianjin University of Traditional Chinese Medicine, Tianjin, China
- Nutritional Epidemiology Institute and School of Public Health, Tianjin Medical University, Tianjin, China.
| | - Juanjuan Zhang
- School of Public Health of Tianjin University of Traditional Chinese Medicine, Tianjin, China
- Nutritional Epidemiology Institute and School of Public Health, Tianjin Medical University, Tianjin, China.
| | - Shaomei Sun
- Health Management Centre, Tianjin Medical University General Hospital, Tianjin, China
| | - Xing Wang
- Health Management Centre, Tianjin Medical University General Hospital, Tianjin, China
| | - Ming Zhou
- Health Management Centre, Tianjin Medical University General Hospital, Tianjin, China
| | - Qiyu Jia
- Health Management Centre, Tianjin Medical University General Hospital, Tianjin, China
| | - Kun Song
- Health Management Centre, Tianjin Medical University General Hospital, Tianjin, China
| | - Kaijun Niu
- Institute of Radiation Medicine, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin, China.
- School of Public Health of Tianjin University of Traditional Chinese Medicine, Tianjin, China
- Nutritional Epidemiology Institute and School of Public Health, Tianjin Medical University, Tianjin, China.
- Health Management Centre, Tianjin Medical University General Hospital, Tianjin, China
- Tianjin Key Laboratory of Environment, Nutrition and Public Health, Tianjin, China
- Center for International Collaborative Research on Environment, Nutrition and Public Health, Tianjin, China
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Zhou F, Gu K, Zhou Y. Flavonoid intake is associated with lower all-cause and disease-specific mortality: The National Health and Nutrition Examination Survey 2007-2010 and 2017-2018. Front Nutr 2023; 10:1046998. [PMID: 36866051 PMCID: PMC9971007 DOI: 10.3389/fnut.2023.1046998] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2022] [Accepted: 01/20/2023] [Indexed: 02/16/2023] Open
Abstract
Adequate intake of flavonoids may influence mortality, particularly of heart and cerebrovascular diseases. However, the importance of each flavonoid and its subclasses in preventing all-cause and disease-specific mortalities remain unclear. In addition, it is unknown which population groups would benefit from high flavonoid intake. Therefore, personalized mortality risk based on flavonoid intake needs to be estimated. The association between flavonoid intake and mortality among 14,029 participants in the National Health and Nutrition Examination Survey was examined using Cox proportional hazards analysis. A prognostic risk score and nomogram linking flavonoid intake and mortality were constructed. During a median follow-up of 117 months (9.75 years), 1,603 incident deaths were confirmed. Total flavonol intake was associated with a significantly reduced all-cause mortality [multivariable adjusted hazard ratio [HR] (95% confidence interval [CI]), 0.87 (0.81, 0.94), p for trend <0.001], especially in participants aged 50 years and older and former smokers. Similarly, total anthocyanidin intake was inversely associated with all-cause mortality [0.91 (0.84, 0.99), p for trend = 0.03], which was most significant in non-alcoholics. The intake of isoflavones was negatively associated with all-cause mortality [0.81 (0.70, 0.94), p = 0.01]. Moreover, a risk score was constructed based on survival-related flavonoid intake. The constructed nomogram accurately predicted the all-cause mortality of individuals based on flavonoid intake. Taken together, our results can be used to improve personalized nutrition.
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Affiliation(s)
- Fengying Zhou
- Department of Breast Diseases, Wuxi Meternal and Child Health Hospital, Women’s Hospital of Jiangnan University, Jiangnan University, Wuxi, Jiangsu, China
| | - Ke Gu
- Department of Radiotherapy and Oncology, Affiliated Hospital of Jiangnan University, Wuxi, Jiangsu, China,Ke Gu, ✉
| | - Yanjun Zhou
- Department of Radiotherapy and Oncology, Affiliated Hospital of Jiangnan University, Wuxi, Jiangsu, China,*Correspondence: Yanjun Zhou, ✉
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Ohishi T, Miyoshi N, Mori M, Sagara M, Yamori Y. Health Effects of Soy Isoflavones and Green Tea Catechins on Cancer and Cardiovascular Diseases Based on Urinary Biomarker Levels. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27248899. [PMID: 36558031 PMCID: PMC9781513 DOI: 10.3390/molecules27248899] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/09/2022] [Revised: 12/07/2022] [Accepted: 12/09/2022] [Indexed: 12/23/2022]
Abstract
Plant polyphenols have various health effects. Genistein, which is abundant in soybeans, and epigallocatechin-3-gallate, which is abundant in green tea, are major flavonoids, a subclass group of polyphenols. Several epidemiological studies have shown that these flavonoids have beneficial effects against cancer and cardiovascular diseases. However, other studies did not show such effects. Several confounding factors, including recall bias, are related to these inconsistent findings, and the determination of metabolites in the urine may be useful in reducing the number of confounding factors. Equipment, which can be used by research participants to collect samples from a portion of voided urine within 24 h without the help of medical workers, has been developed for epidemiological investigations. Previous studies, in which flavonoid metabolites in these urine samples were measured, revealed that soy intake was correlated with a reduced risk of certain types of cancer and cardiovascular diseases worldwide. Although soybeans and green tea consumption may have protective effects against cancer and cardiovascular diseases, further clinical studies that consider different confounding factors are required to provide evidence for the actual impact of dietary flavonoids on human diseases, including cancer and cardiovascular diseases. One possible mechanism involved is discussed in relation to the downregulation of reactive oxygen species and the upregulation of 5'-adenosine monophosphate-activated protein kinase elicited by these flavonoids.
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Affiliation(s)
- Tomokazu Ohishi
- Institute of Microbial Chemistry (BIKAKEN), Numazu, Microbial Chemistry Research Foundation, Shizuoka 410-0301, Japan
- Laboratory of Oncology, Institute of Microbial Chemistry (BIKAKEN), Microbial Chemistry Research Foundation, Tokyo 141-0021, Japan
- Correspondence: (T.O.); (Y.Y.)
| | - Noriyuki Miyoshi
- Graduate School of Integrated Pharmaceutical and Nutritional Sciences, University of Shizuoka, Shizuoka 422-8526, Japan
| | - Mari Mori
- Department of Health Management, School of Health Studies, Tokai University, Kanagawa 259-1292, Japan
- NPO World Health Frontier Institute, Nishinomiya 663-8143, Japan
- Institute for World Health Development, Mukogawa Women’s University, Nishinomiya 663-8143, Japan
| | - Miki Sagara
- Institute for World Health Development, Mukogawa Women’s University, Nishinomiya 663-8143, Japan
- Disease Model Cooperative Research Association, Kyoto 606-0805, Japan
| | - Yukio Yamori
- Institute for World Health Development, Mukogawa Women’s University, Nishinomiya 663-8143, Japan
- Correspondence: (T.O.); (Y.Y.)
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Metabolomics profiles of premenopausal women are different based on O-desmethylangolensin metabotype. Br J Nutr 2022; 128:1490-1498. [PMID: 34763731 PMCID: PMC9095764 DOI: 10.1017/s0007114521004463] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Urinary O-desmethylangolensin (ODMA) concentrations provide a functional gut microbiome marker of dietary isoflavone daidzein metabolism to ODMA. Individuals who do not have gut microbial environments that produce ODMA have less favourable cardiometabolic and cancer risk profiles. Urinary metabolomics profiles were evaluated in relation to ODMA metabotypes within and between individuals over time. Secondary analysis of data was conducted from the BEAN2 trial, which was a cross-over study of premenopausal women consuming 6 months on a high and a low soya diet, each separated by a 1-month washout period. In all of the 672 samples in the study, sixty-six of the eighty-four women had the same ODMA metabotype at seven or all eight time points. Two or four urine samples per woman were selected based on temporal metabotypes in order to compare within and across individuals. Metabolomics assays for primary metabolism and biogenic amines were conducted in sixty urine samples from twenty women. Partial least-squares discriminant analysis was used to compare metabolomics profiles. For the same ODMA metabotype across different time points, no profile differences were detected. For changes in metabotype within individuals and across individuals with different metabotypes, distinct metabolomes emerged. Influential metabolites (variables importance in projection score > 2) included several phenolic compounds, carnitine and derivatives, fatty acid and amino acid metabolites and some medications. Based on the distinct metabolomes of producers v. non-producers, the ODMA metabotype may be a marker of gut microbiome functionality broadly involved in nutrient and bioactive metabolism and should be evaluated for relevance to precision nutrition initiatives.
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Akahane T, Kaya D, Noguchi R, Kaji K, Miyakawa H, Fujinaga Y, Tsuji Y, Takaya H, Sawada Y, Furukawa M, Kitagawa K, Ozutsumi T, Kawaratani H, Moriya K, Namisaki T, Yoshiji H. Association between Equol Production Status and Nonalcoholic Steatohepatitis. Int J Mol Sci 2021; 22:ijms222111904. [PMID: 34769332 PMCID: PMC8585044 DOI: 10.3390/ijms222111904] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2021] [Revised: 10/30/2021] [Accepted: 10/30/2021] [Indexed: 11/16/2022] Open
Abstract
Equol is a metabolite of daidzein, a major soybean isoflavone with estrogenic and antioxidant activities. As the production of equol depends on the presence of certain members of the intestinal microflora, not all individuals can produce equol. We examined the relationship between NASH histological features and equol production. In an animal model, obese OLETF rats were intraperitoneally injected with a porcine serum to augment liver fibrogenesis. Equol-rich soy product, SE5-OH was orally administered during the experimental period. Treatment with SE5-OH markedly attenuated the development of liver fibrosis and expression of alpha-smooth muscle actin. In clinical research, 38 NAFLD patients (13 men and 25 women) were included. The degree of fibrosis and ballooning in equol-nonproducers was significantly higher than in equol-producers in women. The percentage of nonproducers with NAFLD activity score (NAS) ≥ 5 was significantly higher than that of producers. None of the histological features were significantly different between nonproducers and producers in men. Decision tree analysis identified predictors for NAS ≥ 5 in women. The status of equol production was the strongest predictor, followed by fasting glucose. Since equol can be noninvasively detected in urine, it can be applied as a screening tool for the progression of NASH in women.
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Affiliation(s)
- Takemi Akahane
- Department of Gastroenterology, Nara Medical University, Kashihara 634-8521, Japan; (D.K.); (R.N.); (K.K.); (Y.F.); (Y.T.); (H.T.); (Y.S.); (M.F.); (K.K.); (T.O.); (H.K.); (K.M.); (T.N.); (H.Y.)
- Correspondence: ; Tel.: +81-744-22-3051
| | - Daisuke Kaya
- Department of Gastroenterology, Nara Medical University, Kashihara 634-8521, Japan; (D.K.); (R.N.); (K.K.); (Y.F.); (Y.T.); (H.T.); (Y.S.); (M.F.); (K.K.); (T.O.); (H.K.); (K.M.); (T.N.); (H.Y.)
| | - Ryuichi Noguchi
- Department of Gastroenterology, Nara Medical University, Kashihara 634-8521, Japan; (D.K.); (R.N.); (K.K.); (Y.F.); (Y.T.); (H.T.); (Y.S.); (M.F.); (K.K.); (T.O.); (H.K.); (K.M.); (T.N.); (H.Y.)
| | - Kosuke Kaji
- Department of Gastroenterology, Nara Medical University, Kashihara 634-8521, Japan; (D.K.); (R.N.); (K.K.); (Y.F.); (Y.T.); (H.T.); (Y.S.); (M.F.); (K.K.); (T.O.); (H.K.); (K.M.); (T.N.); (H.Y.)
| | - Haruna Miyakawa
- Saga Nutraceuticals Research Institute, Otsuka Pharmaceutical Co., Ltd., Saga 842-0195, Japan;
| | - Yukihisa Fujinaga
- Department of Gastroenterology, Nara Medical University, Kashihara 634-8521, Japan; (D.K.); (R.N.); (K.K.); (Y.F.); (Y.T.); (H.T.); (Y.S.); (M.F.); (K.K.); (T.O.); (H.K.); (K.M.); (T.N.); (H.Y.)
| | - Yuki Tsuji
- Department of Gastroenterology, Nara Medical University, Kashihara 634-8521, Japan; (D.K.); (R.N.); (K.K.); (Y.F.); (Y.T.); (H.T.); (Y.S.); (M.F.); (K.K.); (T.O.); (H.K.); (K.M.); (T.N.); (H.Y.)
| | - Hiroaki Takaya
- Department of Gastroenterology, Nara Medical University, Kashihara 634-8521, Japan; (D.K.); (R.N.); (K.K.); (Y.F.); (Y.T.); (H.T.); (Y.S.); (M.F.); (K.K.); (T.O.); (H.K.); (K.M.); (T.N.); (H.Y.)
| | - Yasuhiko Sawada
- Department of Gastroenterology, Nara Medical University, Kashihara 634-8521, Japan; (D.K.); (R.N.); (K.K.); (Y.F.); (Y.T.); (H.T.); (Y.S.); (M.F.); (K.K.); (T.O.); (H.K.); (K.M.); (T.N.); (H.Y.)
| | - Masanori Furukawa
- Department of Gastroenterology, Nara Medical University, Kashihara 634-8521, Japan; (D.K.); (R.N.); (K.K.); (Y.F.); (Y.T.); (H.T.); (Y.S.); (M.F.); (K.K.); (T.O.); (H.K.); (K.M.); (T.N.); (H.Y.)
| | - Koh Kitagawa
- Department of Gastroenterology, Nara Medical University, Kashihara 634-8521, Japan; (D.K.); (R.N.); (K.K.); (Y.F.); (Y.T.); (H.T.); (Y.S.); (M.F.); (K.K.); (T.O.); (H.K.); (K.M.); (T.N.); (H.Y.)
| | - Takahiro Ozutsumi
- Department of Gastroenterology, Nara Medical University, Kashihara 634-8521, Japan; (D.K.); (R.N.); (K.K.); (Y.F.); (Y.T.); (H.T.); (Y.S.); (M.F.); (K.K.); (T.O.); (H.K.); (K.M.); (T.N.); (H.Y.)
| | - Hideto Kawaratani
- Department of Gastroenterology, Nara Medical University, Kashihara 634-8521, Japan; (D.K.); (R.N.); (K.K.); (Y.F.); (Y.T.); (H.T.); (Y.S.); (M.F.); (K.K.); (T.O.); (H.K.); (K.M.); (T.N.); (H.Y.)
| | - Kei Moriya
- Department of Gastroenterology, Nara Medical University, Kashihara 634-8521, Japan; (D.K.); (R.N.); (K.K.); (Y.F.); (Y.T.); (H.T.); (Y.S.); (M.F.); (K.K.); (T.O.); (H.K.); (K.M.); (T.N.); (H.Y.)
| | - Tadashi Namisaki
- Department of Gastroenterology, Nara Medical University, Kashihara 634-8521, Japan; (D.K.); (R.N.); (K.K.); (Y.F.); (Y.T.); (H.T.); (Y.S.); (M.F.); (K.K.); (T.O.); (H.K.); (K.M.); (T.N.); (H.Y.)
| | - Hitoshi Yoshiji
- Department of Gastroenterology, Nara Medical University, Kashihara 634-8521, Japan; (D.K.); (R.N.); (K.K.); (Y.F.); (Y.T.); (H.T.); (Y.S.); (M.F.); (K.K.); (T.O.); (H.K.); (K.M.); (T.N.); (H.Y.)
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Iglesias-Aguirre CE, Cortés-Martín A, Ávila-Gálvez MÁ, Giménez-Bastida JA, Selma MV, González-Sarrías A, Espín JC. Main drivers of (poly)phenol effects on human health: metabolite production and/or gut microbiota-associated metabotypes? Food Funct 2021; 12:10324-10355. [PMID: 34558584 DOI: 10.1039/d1fo02033a] [Citation(s) in RCA: 49] [Impact Index Per Article: 16.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Despite the high human interindividual variability in response to (poly)phenol consumption, the cause-and-effect relationship between some dietary (poly)phenols (flavanols and olive oil phenolics) and health effects (endothelial function and prevention of LDL oxidation, respectively) has been well established. Most of the variables affecting this interindividual variability have been identified (food matrix, gut microbiota, single-nucleotide-polymorphisms, etc.). However, the final drivers for the health effects of (poly)phenol consumption have not been fully identified. At least partially, these drivers could be (i) the (poly)phenols ingested that exert their effect in the gastrointestinal tract, (ii) the bioavailable metabolites that exert their effects systemically and/or (iii) the gut microbial ecology associated with (poly)phenol metabolism (i.e., gut microbiota-associated metabotypes). However, statistical associations between health effects and the occurrence of circulating and/or excreted metabolites, as well as cross-sectional studies that correlate gut microbial ecologies and health, do not prove a causal role unequivocally. We provide a critical overview and perspective on the possible main drivers of the effects of (poly)phenols on human health and suggest possible actions to identify the putative actors responsible for the effects.
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Affiliation(s)
- Carlos E Iglesias-Aguirre
- Laboratory of Food & Health, Research Group on Quality, Safety and Bioactivity of Plant Foods, CEBAS-CSIC, 30100 Campus de Espinardo, Murcia, Spain.
| | - Adrián Cortés-Martín
- Laboratory of Food & Health, Research Group on Quality, Safety and Bioactivity of Plant Foods, CEBAS-CSIC, 30100 Campus de Espinardo, Murcia, Spain.
| | - María Á Ávila-Gálvez
- CEDOC, NOVA Medical School, Faculdade de Ciências Médicas, Universidade NOVA de Lisboa, Lisboa, Portugal.,Instituto de Biologia Experimental e Tecnológica (IBET), Apartado 12, 2781-901, Oeiras, Portugal
| | - Juan A Giménez-Bastida
- Laboratory of Food & Health, Research Group on Quality, Safety and Bioactivity of Plant Foods, CEBAS-CSIC, 30100 Campus de Espinardo, Murcia, Spain.
| | - María V Selma
- Laboratory of Food & Health, Research Group on Quality, Safety and Bioactivity of Plant Foods, CEBAS-CSIC, 30100 Campus de Espinardo, Murcia, Spain.
| | - Antonio González-Sarrías
- Laboratory of Food & Health, Research Group on Quality, Safety and Bioactivity of Plant Foods, CEBAS-CSIC, 30100 Campus de Espinardo, Murcia, Spain.
| | - Juan Carlos Espín
- Laboratory of Food & Health, Research Group on Quality, Safety and Bioactivity of Plant Foods, CEBAS-CSIC, 30100 Campus de Espinardo, Murcia, Spain.
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Koudoufio M, Desjardins Y, Feldman F, Spahis S, Delvin E, Levy E. Insight into Polyphenol and Gut Microbiota Crosstalk: Are Their Metabolites the Key to Understand Protective Effects against Metabolic Disorders? Antioxidants (Basel) 2020; 9:E982. [PMID: 33066106 PMCID: PMC7601951 DOI: 10.3390/antiox9100982] [Citation(s) in RCA: 63] [Impact Index Per Article: 15.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2020] [Revised: 09/30/2020] [Accepted: 09/30/2020] [Indexed: 12/12/2022] Open
Abstract
Lifestyle factors, especially diet and nutrition, are currently regarded as essential avenues to decrease modern-day cardiometabolic disorders (CMD), including obesity, metabolic syndrome, type 2 diabetes, and atherosclerosis. Many groups around the world attribute these trends, at least partially, to bioactive plant polyphenols given their anti-oxidant and anti-inflammatory actions. In fact, polyphenols can prevent or reverse the progression of disease processes through many distinct mechanisms. In particular, the crosstalk between polyphenols and gut microbiota, recently unveiled thanks to DNA-based tools and next generation sequencing, unravelled the central regulatory role of dietary polyphenols and their intestinal micro-ecology metabolites on the host energy metabolism and related illnesses. The objectives of this review are to: (1) provide an understanding of classification, structure, and bioavailability of dietary polyphenols; (2) underline their metabolism by gut microbiota; (3) highlight their prebiotic effects on microflora; (4) discuss the multifaceted roles of their metabolites in CMD while shedding light on the mechanisms of action; and (5) underscore their ability to initiate host epigenetic regulation. In sum, the review clearly documents whether dietary polyphenols and micro-ecology favorably interact to promote multiple physiological functions on human organism.
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Affiliation(s)
- Mireille Koudoufio
- Research Centre, Sainte-Justine University Health Center, Montreal, QC H3T 1C5, Canada; (M.K.); (F.F.); (S.S.); (E.D.)
- Department of Nutrition, Université de Montréal, Montreal, QC H3T 1J4, Canada
- Institute of Nutrition and Functional Foods, Laval University, Quebec City, QC G1V 0A6, Canada;
| | - Yves Desjardins
- Institute of Nutrition and Functional Foods, Laval University, Quebec City, QC G1V 0A6, Canada;
| | - Francis Feldman
- Research Centre, Sainte-Justine University Health Center, Montreal, QC H3T 1C5, Canada; (M.K.); (F.F.); (S.S.); (E.D.)
- Department of Nutrition, Université de Montréal, Montreal, QC H3T 1J4, Canada
- Institute of Nutrition and Functional Foods, Laval University, Quebec City, QC G1V 0A6, Canada;
| | - Schohraya Spahis
- Research Centre, Sainte-Justine University Health Center, Montreal, QC H3T 1C5, Canada; (M.K.); (F.F.); (S.S.); (E.D.)
- Department of Nutrition, Université de Montréal, Montreal, QC H3T 1J4, Canada
- Institute of Nutrition and Functional Foods, Laval University, Quebec City, QC G1V 0A6, Canada;
| | - Edgard Delvin
- Research Centre, Sainte-Justine University Health Center, Montreal, QC H3T 1C5, Canada; (M.K.); (F.F.); (S.S.); (E.D.)
- Department of Biochemistry, Université de Montréal, Montreal, QC H3T 1J4, Canada
| | - Emile Levy
- Research Centre, Sainte-Justine University Health Center, Montreal, QC H3T 1C5, Canada; (M.K.); (F.F.); (S.S.); (E.D.)
- Department of Nutrition, Université de Montréal, Montreal, QC H3T 1J4, Canada
- Institute of Nutrition and Functional Foods, Laval University, Quebec City, QC G1V 0A6, Canada;
- Department of Pediatrics, Université de Montréal, Montreal, QC H3T 1J4, Canada
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Matsumoto T, Kojima M, Takayanagi K, Taguchi K, Kobayashi T. Role of S-Equol, Indoxyl Sulfate, and Trimethylamine N-Oxide on Vascular Function. Am J Hypertens 2020; 33:793-803. [PMID: 32300778 PMCID: PMC7481967 DOI: 10.1093/ajh/hpaa053] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2020] [Revised: 02/21/2020] [Accepted: 03/20/2020] [Indexed: 12/15/2022] Open
Abstract
Gut microbiota have been emerging as important contributors to the regulation of host homeostasis. Accordingly, several substances converted by gut microbiota can have beneficial or adverse effects on human health. Among them, S-equol, which is produced from the isoflavone daidzein in the human and animal gut by certain microbiota, exerts estrogenic and antioxidant activities. Indoxyl sulfate, which is metabolized in the liver from indole converted from dietary tryptophan by bacterial tryptophanases in the colon, is known as a protein-bound uremic toxin. Trimethylamine N-oxide, which is generated via the oxidization of gut microbiota-derived trimethylamine by hepatic flavin monooxygenases, is known as an accelerator of atherosclerosis. The aforementioned gut-derived substances could be potential regulators of systematic tissue/organ function, including the vascular system. Macro- and microvascular complications of cardiovascular and metabolic diseases, including atherosclerosis, hypertension, and diabetes, occur systemically and represent the principal cause of morbidity and mortality. Vascular endothelial and smooth muscle dysfunction play pivotal roles in the development and progression of vasculopathies. We herein review the link between the aforementioned gut-derived substances and endothelial and vascular smooth muscle cell function. This information will provide a conceptual framework that would allow the development of novel preventive and/or therapeutic approaches against vasculopathies.
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Affiliation(s)
- Takayuki Matsumoto
- Department of Physiology and Morphology, Institute of Medicinal Chemistry, Hoshi University, Tokyo, Japan
| | - Mihoka Kojima
- Department of Physiology and Morphology, Institute of Medicinal Chemistry, Hoshi University, Tokyo, Japan
| | - Keisuke Takayanagi
- Department of Physiology and Morphology, Institute of Medicinal Chemistry, Hoshi University, Tokyo, Japan
| | - Kumiko Taguchi
- Department of Physiology and Morphology, Institute of Medicinal Chemistry, Hoshi University, Tokyo, Japan
| | - Tsuneo Kobayashi
- Department of Physiology and Morphology, Institute of Medicinal Chemistry, Hoshi University, Tokyo, Japan
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Abstract
Soybeans are among the most popular foods worldwide, and intake of soy-containing foods has been associated with many health benefits in part because of it structure similar to estrogen. Epidemiologic studies have demonstrated that soy consumption improves serum profiles of hypercholesterolemic patients. Several studies have also indicated an inverse relationship between the consumption of soy isoflavones and the incidence of cardiovascular diseases (CVD). Soy is a rich dietary source of isoflavones. The main soy isoflavones are daidzein and genistein; equol, another isoflavone and a major intestinal bacterial metabolite of daidzein, is generated by enterobacterial effects. Many isoflavones have antioxidative effects and anti-inflammatory actions, as well as induce nitric oxide production to maintain a healthy endothelium and prevent endothelial cell dysfunction. These effects may limit the development of atherosclerosis and CVD and restore healthy endothelial function in altered endothelia. Although the evidence supporting the benefits of soy isoflavones in CVD prevention continues to increase, the association between soy isoflavones and disease is not fully understood. This review summarized recent progress in identifying the preventive mechanisms of action of dietary soybean isoflavones on vascular endothelial cells. Furthermore, it describes the beneficial roles that these isoflavones may have on endothelial dysfunction-related atherosclerosis.
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de Oliveira Silva F, Lemos TC, Sandôra D, Monteiro M, Perrone D. Fermentation of soybean meal improves isoflavone metabolism after soy biscuit consumption by adults. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2020; 100:2991-2998. [PMID: 32048288 DOI: 10.1002/jsfa.10328] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/11/2019] [Revised: 01/27/2020] [Accepted: 02/12/2020] [Indexed: 06/10/2023]
Abstract
BACKGROUND Urinary excretion of isoflavones and their metabolites after the consumption of soybean meal (SBM) and fermented soybean meal (FSBM) biscuits was investigated in humans in a randomized double-blinded crossover clinical trial. RESULTS Aglycones were the most abundant metabolites in urine in both treatments. After FSBM consumption, total urinary excretion of aglycones and metabolites was 54% higher when compared to SBM biscuits. All metabolites were more rapidly excreted after FSBM biscuit consumption when compared to SBM biscuits. Urinary recovery of isoflavones was higher after FSBM biscuit consumption, reaching 67%. Women excreted higher amounts of colonic metabolites and lower amounts of aglycones than men. The prevalence of O-demethylangolensin-producer, equol-producer and nonproducer metabotypes was 56%, 11% and 36% after SBM consumption and 72%, 11% and 17% after FSBM consumption, respectively. CONCLUSIONS Together, our findings indicate that fermentation improves isoflavone bioavailability and possibly reduces the impact of gut microbiota on the metabolism of isoflavones. © 2020 Society of Chemical Industry.
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Affiliation(s)
- Fabricio de Oliveira Silva
- Laboratório de Bioquímica Nutricional e de Alimentos, Department of Biochemistry, Chemistry Institute, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
- Laboratório de Desenvolvimento e Análise Sensorial de Alimentos, Department of Natural Products and Food, Pharmacy Faculty, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Thayane Cc Lemos
- Laboratório de Bioquímica Nutricional e de Alimentos, Department of Biochemistry, Chemistry Institute, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
- Laboratório de Alimentos Funcionais, Nutrition Institute, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Diego Sandôra
- Laboratório de Bioquímica Nutricional e de Alimentos, Department of Biochemistry, Chemistry Institute, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Mariana Monteiro
- Laboratório de Alimentos Funcionais, Nutrition Institute, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Daniel Perrone
- Laboratório de Bioquímica Nutricional e de Alimentos, Department of Biochemistry, Chemistry Institute, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
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Cortés-Martín A, Selma MV, Tomás-Barberán FA, González-Sarrías A, Espín JC. Where to Look into the Puzzle of Polyphenols and Health? The Postbiotics and Gut Microbiota Associated with Human Metabotypes. Mol Nutr Food Res 2020; 64:e1900952. [PMID: 32196920 DOI: 10.1002/mnfr.201900952] [Citation(s) in RCA: 151] [Impact Index Per Article: 37.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2019] [Revised: 02/19/2020] [Indexed: 12/23/2022]
Abstract
The full consensus on the role of dietary polyphenols as human-health-promoting compounds remains elusive. The two-way interaction between polyphenols and gut microbiota (GM) (i.e., modulation of GM by polyphenols and their catabolism by the GM) is determinant in polyphenols' effects. The identification of human metabotypes associated with a differential gut microbial metabolism of polyphenols has opened new research scenarios to explain the inter-individual variability upon polyphenols consumption. The metabotypes unequivocally identified so far are those involved in the metabolism of isoflavones (equol and(or) O-desmethylangolesin producers versus non-producers) and ellagic acid (urolithin metabotypes, including producers of only urolithin-A (UM-A), producers of urolithin-A, isourolithin-A, and urolithin-B (UM-B), and non-producers (UM-0)). In addition, the microbial metabolites (phenolic-derived postbiotics) such as equol, urolithins, valerolactones, enterolactone, and enterodiol, and 8-prenylnaringenin, among others, can exert differential health effects. The knowledge is updated and position is taken here on i) the two-way interaction between GM and polyphenols, ii) the evidence between phenolic-derived postbiotics and health, iii) the role of metabotypes as biomarkers of GM and the clustering of individuals depending on their metabotypes (metabotyping) to explain polyphenols' effects, and iv) the gut microbial metabolism of catecholamines to illustrate the intersection between personalized nutrition and precision medicine.
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Affiliation(s)
- Adrián Cortés-Martín
- Laboratory of Food & Health, Research Group on Quality, Safety and Bioactivity of Plant Foods, CEBAS-CSIC, Campus de Espinardo, Murcia, 30100, Spain
| | - María Victoria Selma
- Laboratory of Food & Health, Research Group on Quality, Safety and Bioactivity of Plant Foods, CEBAS-CSIC, Campus de Espinardo, Murcia, 30100, Spain
| | - Francisco Abraham Tomás-Barberán
- Laboratory of Food & Health, Research Group on Quality, Safety and Bioactivity of Plant Foods, CEBAS-CSIC, Campus de Espinardo, Murcia, 30100, Spain
| | - Antonio González-Sarrías
- Laboratory of Food & Health, Research Group on Quality, Safety and Bioactivity of Plant Foods, CEBAS-CSIC, Campus de Espinardo, Murcia, 30100, Spain
| | - Juan Carlos Espín
- Laboratory of Food & Health, Research Group on Quality, Safety and Bioactivity of Plant Foods, CEBAS-CSIC, Campus de Espinardo, Murcia, 30100, Spain
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Inter-relationship between diet, lifestyle habits, gut microflora, and the equol-producer phenotype: baseline findings from a placebo-controlled intervention trial. Menopause 2020; 26:273-285. [PMID: 30188331 DOI: 10.1097/gme.0000000000001202] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
OBJECTIVE Equol is an active metabolite of isoflavones produced by gut microbiota. It is beneficial to health; however, equol-producing ability varies greatly among individuals. These variations depend on the host's gut microbiota and lifestyle habits including diet. We investigated the relationship between the gut microbiota, lifestyle habits including diet, and equol-producing ability in postmenopausal Japanese women. METHODS We studied 58 postmenopausal Japanese women aged 48 to 69 years who visited the Sendai Medical Center in January, 2018. Self-administered questionnaires assessed their recent and remote food intake histories and lifestyle habits. Fecal microbiome analysis was performed using a next-generation sequencer. Urinary equol was measured using an immunochromatographic strip test. Women with urinary equol concentration >1.0 μM were defined as equol producers. RESULTS Equol-producing bacteria were identified in 97% (56) of women; however, only 13 (22%) were equol producers. Equol producers showed significantly higher microflora diversity (P = 0.002), and significantly different recent and remote food intake patterns compared with equol nonproducers. Higher consumption of foods such as meat, fish, soy, vegetables, and Japanese snacks positively affected microbial diversity and equol production, whereas a high intake of Ramen and smoking showed negative effects. CONCLUSION Equol production might not depend on the quantity, but on the quality of equol-producing bacteria. High microbial diversity might enhance equol production. Increasing microbial diversity through healthy lifestyle habits and habitual consumption of a wide variety of foods might be useful to maintain a healthy gut environment for equol production.
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Affiliation(s)
- Bing‐Juan Li
- Tianjin Key Laboratory of Food and Biotechnology Department of Biotechnology and Food Science Tianjin University of Commerce Tianjin China
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15
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Migkos T, Applová L, Horký P, Tvrdý V, Karlíčková J, Macáková K, Hrubša M, Catapano MC, Tomanek M, Pour M, Mladěnka P. The influence of microbial isoflavonoid specific metabolites on platelets and transition metals iron and copper. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2019; 62:152974. [PMID: 31181402 DOI: 10.1016/j.phymed.2019.152974] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/19/2018] [Revised: 05/24/2019] [Accepted: 05/25/2019] [Indexed: 06/09/2023]
Abstract
BACKGROUND Isoflavonoids seem to possess positive cardiovascular and other beneficial effects in humans. HYPOTHESIS Their low bioavailability, however, indicates that small isoflavonoid metabolites formed by human microflora can significantly contribute to these activities. STUDY DESIGN Testing antiplatelet activity ex vivo in human blood and interaction with transition metals in vitro. METHODS The effect on platelet aggregation induced by different triggers (arachidonic acid, collagen, ADP, TRAP-6), and interactions with transition metals (iron and copper chelation/reduction) were evaluated against four isoflavonoid-specific metabolites: S-equol; O-desmethylangolensin; 2-(4-hydroxyphenyl) propionic acid (HPPA); and 4-ethylphenol. RESULTS S-equol, 4-ethylphenol and O-desmethylangolensin blocked platelet aggregation induced by arachidonic acid and collagen. S-equol even matched the potency of acetylsalicylic acid in the case of collagen, which is the most physiological inducer of aggregation. Moreover, their effects in general seemed to be biologically relevant and attainable at achievable plasma concentrations, with the exception of HPPA which was ineffective. While only O-desmethylangolensin mildly chelated iron and copper, all four compounds markedly reduced cupric ions. Their direct free radical scavenging effects seem to have little clinical relevance. CONCLUSION This study has shown that S-equol, O-desmethylangolensin and 4-ethylphenol, arising from isoflavonoid intake, can have biologically relevant effects on platelet aggregation.
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Affiliation(s)
- Thomas Migkos
- Department of Pharmacology and Toxicology, Faculty of Pharmacy in Hradec Králové, Charles University, Akademika Heyrovského 1203, Hradec Králové 500 05, Czech Republic
| | - Lenka Applová
- Department of Pharmacology and Toxicology, Faculty of Pharmacy in Hradec Králové, Charles University, Akademika Heyrovského 1203, Hradec Králové 500 05, Czech Republic
| | - Pavel Horký
- Department of Inorganic and Organic Chemistry, Faculty of Pharmacy in Hradec Králové, Charles University, Akademika Heyrovského 1203, Hradec Králové 500 05, Czech Republic; Department of Social and Clinical Pharmacy, Faculty of Pharmacy in Hradec Králové, Charles University, Zborovská 2089, Hradec Králové 500 05, Czech Republic
| | - Václav Tvrdý
- Department of Pharmacology and Toxicology, Faculty of Pharmacy in Hradec Králové, Charles University, Akademika Heyrovského 1203, Hradec Králové 500 05, Czech Republic
| | - Jana Karlíčková
- Department of Pharmaceutical Botany, Faculty of Pharmacy in Hradec Králové, Charles, Akademika Heyrovského 1203, Hradec Králové 500 05, Czech Republic
| | - Kateřina Macáková
- Department of Pharmaceutical Botany, Faculty of Pharmacy in Hradec Králové, Charles, Akademika Heyrovského 1203, Hradec Králové 500 05, Czech Republic
| | - Marcel Hrubša
- Department of Pharmacology and Toxicology, Faculty of Pharmacy in Hradec Králové, Charles University, Akademika Heyrovského 1203, Hradec Králové 500 05, Czech Republic
| | - Maria Carmen Catapano
- Department of Pharmacology and Toxicology, Faculty of Pharmacy in Hradec Králové, Charles University, Akademika Heyrovského 1203, Hradec Králové 500 05, Czech Republic
| | - Magdalena Tomanek
- Institute of Chemistry, Department of Theoretical Chemistry, University of Silesia in Katowice, Faculty of Mathematics, Physics and Chemistry, Bankowa 14, Katowice 40-007, Poland
| | - Milan Pour
- Department of Inorganic and Organic Chemistry, Faculty of Pharmacy in Hradec Králové, Charles University, Akademika Heyrovského 1203, Hradec Králové 500 05, Czech Republic
| | - Přemysl Mladěnka
- Department of Pharmacology and Toxicology, Faculty of Pharmacy in Hradec Králové, Charles University, Akademika Heyrovského 1203, Hradec Králové 500 05, Czech Republic.
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Peirotén Á, Bravo D, Landete JM. Bacterial metabolism as responsible of beneficial effects of phytoestrogens on human health. Crit Rev Food Sci Nutr 2019; 60:1922-1937. [PMID: 31161778 DOI: 10.1080/10408398.2019.1622505] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Phytoestrogens (PE) are compounds found in plants such as soy (isoflavones), flax seeds and cereals (lignans) and pomegranates (ellagitannins). PE have shown estrogenic/antiestrogenic, antioxidant, anti-inflammatory, antineoplastic and apoptotic activities. The human studies are showing promising although inconsistent results about the beneficial effects of PE on ameliorating the menopausal symptoms or reducing the risk of certain cancers, cardiovascular disease or diabetes. The effects of PE on the organism are mediated by the intestinal microbiota, which transforms them into bioactive PE such as genistein, equol, enterolignans and certain urolithins. In this work, we review the most recent findings about the bacteria able to metabolize PE, together with the latest studies on the effects of PE on health. In addition, we describe the possible factors hindering the demonstration of the beneficial effect of PE on health, evincing the importance of measuring the actual circulating PE in order to encompass the variability of PE metabolism due to the intestinal microbiota. With this in mind, we also explore an approach to ensure the access to bioactive PE.
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Affiliation(s)
- Ángela Peirotén
- Departamento de Tecnología de Alimentos, Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA), Madrid, Spain
| | - Daniel Bravo
- Departamento de Tecnología de Alimentos, Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA), Madrid, Spain
| | - José M Landete
- Departamento de Tecnología de Alimentos, Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA), Madrid, Spain
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Abstract
Phytoestrogens have structures that are very similar to endogen estradiol derived from plants. Phytoestrogens sources are widespread in Asian regions including in Indonesia. Its have health benefits including reproductive health, heart health, a role in weight loss, hormone-dependent tumours, bone and skin health, and the immune system. This review aimed to provide information on phytoestrogens' effect on human health.
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Affiliation(s)
- Desmawati Desmawati
- Department of Nutrition, Medical Faculty, Andalas University, Padang 25163, West Sumatera, Indonesia
| | - Delmi Sulastri
- Department of Nutrition, Medical Faculty, Andalas University, Padang 25163, West Sumatera, Indonesia
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Desmawati D, Sulastri D. Phytoestrogens and Their Health Effect. Open Access Maced J Med Sci 2019; 7:617-622. [PMID: 30894924 PMCID: PMC6420957 DOI: 10.3889/oamjms.2019.044] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2018] [Revised: 12/18/2018] [Accepted: 12/19/2018] [Indexed: 01/20/2023] Open
Abstract
Phytoestrogens have structures that are very similar to endogen estradiol derived from plants. Phytoestrogens sources are widespread in Asian regions including in Indonesia. Its have health benefits including reproductive health, heart health, a role in weight loss, hormone-dependent tumours, bone and skin health, and the immune system. This review aimed to provide information on phytoestrogens' effect on human health.
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Affiliation(s)
- Desmawati Desmawati
- Department of Nutrition, Medical Faculty, Andalas University, Padang 25163, West Sumatera, Indonesia
| | - Delmi Sulastri
- Department of Nutrition, Medical Faculty, Andalas University, Padang 25163, West Sumatera, Indonesia
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Sekikawa A, Ihara M, Lopez O, Kakuta C, Lopresti B, Higashiyama A, Aizenstein H, Chang YF, Mathis C, Miyamoto Y, Kuller L, Cui C. Effect of S-equol and Soy Isoflavones on Heart and Brain. Curr Cardiol Rev 2019; 15:114-135. [PMID: 30516108 PMCID: PMC6520578 DOI: 10.2174/1573403x15666181205104717] [Citation(s) in RCA: 47] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/09/2018] [Revised: 11/26/2018] [Accepted: 11/26/2018] [Indexed: 01/21/2023] Open
Abstract
BACKGROUND Observational studies in Asia show that dietary intake of soy isoflavones had a significant inverse association with coronary heart disease (CHD). A recent randomized controlled trial (RCT) of soy isoflavones on atherosclerosis in the US, however, failed to show their benefit. The discrepancy may be due to the much lower prevalence of S-equol producers in Westerners: Only 20-30% of Westerners produce S-equol in contrast to 50-70% in Asians. S-equol is a metabolite of dietary soy isoflavone daidzein by gut microbiome and possesses the most antiatherogenic properties among all isoflavones. Several short-duration RCTs documented that soy isoflavones improves arterial stiffness. Accumulating evidence shows that both atherosclerosis and arterial stiffness are positively associated with cognitive decline/dementia. Therefore, potentially, soy isoflavones, especially S-equol, are protective against cognitive decline/dementia. METHODS/RESULTS This narrative review of clinical and epidemiological studies provides an overview of the health benefits of soy isoflavones and introduces S-equol. Second, we review recent evidence on the association of soy isoflavones and S-equol with CHD, atherosclerosis, and arterial stiffness as well as the association of atherosclerosis and arterial stiffness with cognitive decline/ dementia. Third, we highlight recent studies that report the association of soy isoflavones and S-equol with cognitive decline/dementia. Lastly, we discuss the future directions of clinical and epidemiological research on the relationship of S-equol and CHD and dementia. CONCLUSIONS Evidence from observational studies and short-term RCTs suggests that S-equol is anti-atherogenic and improves arterial stiffness and may prevent CHD and cognitive impairment/ dementia. Well-designed long-term (≥ 2years) RCTs should be pursued.
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Affiliation(s)
- Akira Sekikawa
- Address correspondence to this author at the Department of Epidemiology, Graduate School of Public Health, University of Pittsburgh, 130 North Bellefield Avenue, Suite 336, Pittsburgh, PA 15213, USA; Tel: 412-383-1063; Fax: 412-648-4401;
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Sansone F, Mencherini T, Picerno P, Lauro MR, Cerrato M, Aquino RP. Development of Health Products from Natural Sources. Curr Med Chem 2019; 26:4606-4630. [PMID: 30259806 DOI: 10.2174/0929867325666180926152139] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2018] [Revised: 08/07/2018] [Accepted: 09/06/2018] [Indexed: 12/21/2022]
Abstract
BioActive Compounds (BACs) recovered from food or food by-product matrices are useful in maintaining well being, enhancing human health, and modulating immune function to prevent or to treat chronic diseases. They are also generally seen by final consumers as safe, non-toxic and environment-friendly. Despite the complex process of production, chemical characterization, and assessment of health effects, BACs must also be manufactured in stable and bioactive ingredients to be used in pharmaceutical, food and nutraceutical industry. Generally, vegetable derivatives occur as sticky raw materials with pervasive smell and displeasing flavor. Also, they show critical water solubility and dramatic stability behavior over time, involving practical difficulties for industrial use. Therefore, the development of novel functional health products from natural sources requires the design of a suitable formulation to delivery BACs at the site of action, preserve stability during processing and storage, slow down the degradation processes, mask lousy tasting or smell, and increase the bioavailability, while maintaining the BACs functionality. The present review focuses on human health benefits, BACs composition, and innovative technologies or formulation approaches of natural ingredients from some selected foods and by-products from industrial food transformations.
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Affiliation(s)
| | | | - Patrizia Picerno
- Department of Pharmacy, University of Salerno, Fisciano (SA), Italy
| | | | - Michele Cerrato
- Department of Pharmacy, University of Salerno, Fisciano (SA), Italy
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Personalised Interventions-A Precision Approach for the Next Generation of Dietary Intervention Studies. Nutrients 2017; 9:nu9080847. [PMID: 28792454 PMCID: PMC5579640 DOI: 10.3390/nu9080847] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2017] [Revised: 07/23/2017] [Accepted: 08/01/2017] [Indexed: 12/13/2022] Open
Abstract
Diet is a key modifiable risk factor for non-communicable diseases. However, we currently are not benefitting from the full potential of its protective effects. This is due to a number of reasons, including high individual variability in response to certain diets. It is now well acknowledged that in order to gain the full benefit of dietary regimes it is essential to take into account individual responses. With this in mind, the present review examines the concept of precision nutrition and the performance of n-of-1 studies, and discusses the development of certain approaches that will be critical for development of the concepts.
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Manach C, Milenkovic D, Van de Wiele T, Rodriguez‐Mateos A, de Roos B, Garcia‐Conesa MT, Landberg R, Gibney ER, Heinonen M, Tomás‐Barberán F, Morand C. Addressing the inter-individual variation in response to consumption of plant food bioactives: Towards a better understanding of their role in healthy aging and cardiometabolic risk reduction. Mol Nutr Food Res 2017; 61:1600557. [PMID: 27687784 PMCID: PMC5484307 DOI: 10.1002/mnfr.201600557] [Citation(s) in RCA: 143] [Impact Index Per Article: 20.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2016] [Revised: 09/08/2016] [Accepted: 09/13/2016] [Indexed: 12/21/2022]
Abstract
Bioactive compounds in plant-based foods have health properties that contribute to the prevention of age-related chronic diseases, particularly cardiometabolic disorders. Conclusive proof and understanding of these benefits in humans is essential in order to provide effective dietary recommendations but, so far, the evidence obtained from human intervention trials is limited and contradictory. This is partly due to differences between individuals in the absorption, distribution, metabolism and excretion of bioactive compounds, as well as to heterogeneity in their biological response regarding cardiometabolic health outcomes. Identifying the main factors underlying inter-individual differences, as well as developing new and innovative methodologies to account for such variability constitute an overarching goal to ultimately optimize the beneficial health effects of plant food bioactives for each and every one of us. In this respect, this position paper from the COST Action FA1403-POSITIVe examines the main factors likely to affect the individual responses to consumption of plant food bioactives and presents perspectives for assessment and consideration of inter-individual variability.
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Affiliation(s)
- Claudine Manach
- INRA, UMR 1019, UNH, CRNH Auvergne, F‐63000 Clermont‐Ferrand; Clermont UniversitéUniversité d'AuvergneUnité de Nutrition HumaineBP 10448F‐63000Clermont‐FerrandFrance
| | - Dragan Milenkovic
- INRA, UMR 1019, UNH, CRNH Auvergne, F‐63000 Clermont‐Ferrand; Clermont UniversitéUniversité d'AuvergneUnité de Nutrition HumaineBP 10448F‐63000Clermont‐FerrandFrance
| | - Tom Van de Wiele
- Center for Microbial Ecology and Technology (CMET)Ghent UniversityGhentBelgium
| | - Ana Rodriguez‐Mateos
- Division of Cardiology, Pulmonology and Vascular MedicineMedical FacultyUniversity of DüsseldorfGermany
| | - Baukje de Roos
- Rowett Institute of Nutrition and HealthUniversity of AberdeenAberdeenUK
| | - Maria Teresa Garcia‐Conesa
- Research Group on Quality, Safety and Bioactivity of Plant FoodsCEBAS‐CSICCampus de EspinardoMurciaSpain
| | - Rikard Landberg
- Department of Food ScienceSwedish University of Agricultural SciencesUppsalaSweden
- Nutritional Epidemiology UnitInstitute of Environmental MedicineKarolinska InstitutetSolnaSweden
| | - Eileen R. Gibney
- UCD Institute of Food and HealthUniversity College DublinDublinRepublic of Ireland
| | - Marina Heinonen
- Department of Food and Environmental SciencesFood ChemistryUniversity of HelsinkiFinland
| | - Francisco Tomás‐Barberán
- Research Group on Quality, Safety and Bioactivity of Plant FoodsCEBAS‐CSICCampus de EspinardoMurciaSpain
| | - Christine Morand
- INRA, UMR 1019, UNH, CRNH Auvergne, F‐63000 Clermont‐Ferrand; Clermont UniversitéUniversité d'AuvergneUnité de Nutrition HumaineBP 10448F‐63000Clermont‐FerrandFrance
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Ramdath DD, Padhi EMT, Sarfaraz S, Renwick S, Duncan AM. Beyond the Cholesterol-Lowering Effect of Soy Protein: A Review of the Effects of Dietary Soy and Its Constituents on Risk Factors for Cardiovascular Disease. Nutrients 2017; 9:E324. [PMID: 28338639 PMCID: PMC5409663 DOI: 10.3390/nu9040324] [Citation(s) in RCA: 135] [Impact Index Per Article: 19.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2017] [Revised: 03/16/2017] [Accepted: 03/21/2017] [Indexed: 12/13/2022] Open
Abstract
The hypocholesterolemic effect of soy is well-documented and this has led to the regulatory approval of a health claim relating soy protein to a reduced risk of cardiovascular disease (CVD). However, soybeans contain additional components, such as isoflavones, lecithins, saponins and fiber that may improve cardiovascular health through independent mechanisms. This review summarizes the evidence on the cardiovascular benefits of non-protein soy components in relation to known CVD risk factors such as hypertension, hyperglycemia, inflammation, and obesity beyond cholesterol lowering. Overall, the available evidence suggests non-protein soy constituents improve markers of cardiovascular health; however, additional carefully designed studies are required to independently elucidate these effects. Further, work is also needed to clarify the role of isoflavone-metabolizing phenotype and gut microbiota composition on biological effect.
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Affiliation(s)
- D Dan Ramdath
- Guelph Research and Development Centre, Agriculture and Agri-Food Canada, Guelph, ON N1G 5C9, Canada.
| | - Emily M T Padhi
- Guelph Research and Development Centre, Agriculture and Agri-Food Canada, Guelph, ON N1G 5C9, Canada.
| | - Sidra Sarfaraz
- Guelph Research and Development Centre, Agriculture and Agri-Food Canada, Guelph, ON N1G 5C9, Canada.
| | - Simone Renwick
- Guelph Research and Development Centre, Agriculture and Agri-Food Canada, Guelph, ON N1G 5C9, Canada.
| | - Alison M Duncan
- Department of Human Health and Nutritional Sciences, University of Guelph, Guelph, ON N1G 2E1, Canada.
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Being overweight or obese is associated with harboring a gut microbial community not capable of metabolizing the soy isoflavone daidzein to O-desmethylangolensin in peri- and post-menopausal women. Maturitas 2017; 99:37-42. [PMID: 28364866 DOI: 10.1016/j.maturitas.2017.02.006] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2016] [Revised: 01/18/2017] [Accepted: 02/06/2017] [Indexed: 01/15/2023]
Abstract
OBJECTIVE Obesity can be a considerable health concern for peri- and post-menopausal women. Evidence suggests an association between the gut microbiome and obesity. The study objective was to evaluate the association between being overweight or obese and phenotypic markers of having an overall gut microbial environment not capable of metabolizing the isoflavone daidzein to equol or O-desmethylangolensin (ODMA). STUDY DESIGN Cross-sectional study of 137 peri- and 218 post-menopausal women, aged 44-55 years, who consumed at least three servings per week of soy (source of daidzein). Equol and ODMA producers and non-producers were identified based on urinary concentrations of daidzein, equol and ODMA in a 24-h urine sample. MAIN OUTCOME MEASURES Mean body mass index (BMI) and odds of obesity. RESULTS Fifty-one women were ODMA non-producers and 226 were equol non-producers. The ODMA non-producer phenotype was positively associated with obesity (OR: 3.33, 95% CI: 1.53, 7.23), and mean BMI was significantly higher in non-producers (28.9kg/m2) than in producers (26.7kg/m2), after adjusting for age, ethnicity, and menopausal status. Positive associations with being obese were observed in both peri-menopausal (OR=3.92, 95% CI: 0.90, 17.0) and post-menopausal (OR=3.00, 95% CI: 1.22, 7.70) women. The equol non-producer phenotype was not associated with obesity (OR=1.13, 95% CI: 0.64, 1.98), and mean BMI was not significantly different between equol producers (27.3kg/m2) and non-producers (26.5kg/m2). CONCLUSIONS These results suggest that the ODMA non-producer phenotype is associated with obesity in peri- and post-menopausal women. Further work is needed to confirm these observations in additional populations and to evaluate possible mechanisms.
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Relationship between equol producer status and metabolic parameters in 743 Japanese women: equol producer status is associated with antiatherosclerotic conditions in women around menopause and early postmenopause. Menopause 2017; 24:216-224. [DOI: 10.1097/gme.0000000000000743] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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Reverri EJ, Slupsky CM, Mishchuk DO, Steinberg FM. Metabolomics reveals differences between three daidzein metabolizing phenotypes in adults with cardiometabolic risk factors. Mol Nutr Food Res 2017; 61. [PMID: 27364093 DOI: 10.1002/mnfr.201600132] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2016] [Revised: 06/09/2016] [Accepted: 06/10/2016] [Indexed: 01/04/2023]
Abstract
SCOPE The soy isoflavone, daidzein, is metabolized by gut microbiota to O-desmethylangolensin (ODMA) and/or equol. Producing equol is postulated as a contributing factor for the beneficial effects of soy. METHODS AND RESULTS This randomized, controlled, cross-over design used an untargeted metabolomic approach to assess the metabolic profile of different daidzein metabolizers. Adults (n = 17) with cardiometabolic risk factors received soy nuts or control food for 4 weeks, separated by a 2-week washout. No significant differences were detected pre- and postintervention and between interventions. Examination of the ability to metabolize daidzein revealed three groups: ODMA only producers (n = 4), equol + ODMA producers (n = 8), and nonproducers (n = 5). Analysis of the serum metabolome revealed nonproducers could be distinguished from ODMA-only and equol + ODMA producers. Differences between these phenotypes were related to obesity and metabolic risk (methionine, asparagine, and trimethylamine) with equol + ODMA producers having lower concentrations, yet paradoxically higher pro-inflammatory cytokines. In urine, nonproducers clustered with ODMA producers and were distinct from equol + ODMA producers. Urinary metabolite profiles revealed significantly higher excretion of fumarate and 2-oxoglutarate, as well as pyroglutamate, alanine, and the gut microbial metabolite dimethylamine in equol + ODMA producers. CONCLUSION These results emphasize that the serum and urine metabolomes are distinct based on the ability to metabolize isoflavones.
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Affiliation(s)
| | - Carolyn M Slupsky
- Department of Nutrition, University of California, Davis, CA, USA
- Department of Food Science and Technology, University of California, Davis, CA, USA
| | - Darya O Mishchuk
- Department of Food Science and Technology, University of California, Davis, CA, USA
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27
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Frankenfeld CL. Cardiometabolic risk and gut microbial phytoestrogen metabolite phenotypes. Mol Nutr Food Res 2016; 61. [DOI: 10.1002/mnfr.201500900] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2016] [Revised: 06/18/2016] [Accepted: 07/14/2016] [Indexed: 12/18/2022]
Affiliation(s)
- Cara L. Frankenfeld
- Department of Global and Community Health; George Mason University; Fairfax VA USA
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Tranche S, Brotons C, Pascual de la Pisa B, Macías R, Hevia E, Marzo-Castillejo M. Impact of a soy drink on climacteric symptoms: an open-label, crossover, randomized clinical trial. Gynecol Endocrinol 2016; 32:477-82. [PMID: 26806546 PMCID: PMC4898139 DOI: 10.3109/09513590.2015.1132305] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
Abstract
OBJECTIVES The objective of this study is to evaluate the effects of a soy drink with a high concentration of isoflavones (ViveSoy®) on climacteric symptoms. METHODS An open-label, controlled, crossover clinical trial was conducted in 147 peri- and postmenopausal women. Eligible women were recruited from 13 Spanish health centers and randomly assigned to one of the two sequence groups (control or ViveSoy®, 500 mL per day, 15 g of protein and 50 mg of isoflavones). Each intervention phase lasted for 12 weeks with a 6-week washout period. Changes on the Menopause Rating Scale and quality of life questionnaires, as well as lipid profile, cardiovascular risk and carbohydrate and bone metabolism were assessed. Statistical analysis was performed using a mixed-effects model. RESULTS A sample of 147 female volunteers was recruited of which 90 were evaluable. In both sequence groups, adherence to the intervention was high. Regular consumption of ViveSoy® reduced climacteric symptoms by 20.4% (p = 0.001) and symptoms in the urogenital domain by 21.3% (p < 0.05). It also improved health-related quality life by 18.1%, as per the MRS questionnaire (p <0.05). CONCLUSION Regular consumption of ViveSoy® improves both the somatic and urogenital domain symptoms of menopause, as well as health-related quality of life in peri- and postmenopausal women.
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Affiliation(s)
- Salvador Tranche
- Sociedad Española de Medicina de Familia y Comunitaria (semFYC),
Spain
- Centro de Salud El Cristo, Servicio de Salud del Principado de Asturias (SESPA), Oviedo,
Spain
| | - Carlos Brotons
- Sociedad Española de Medicina de Familia y Comunitaria (semFYC),
Spain
- Unitat de Recerca, EAP Sardenya-IIB Sant Pau, Barcelona,
Spain
| | - Beatriz Pascual de la Pisa
- Sociedad Española de Medicina de Familia y Comunitaria (semFYC),
Spain
- Centro de Salud de Camas, Servicio Andaluz de Salud, Sevilla,
Spain
| | - Ramón Macías
- Sociedad Española de Medicina de Familia y Comunitaria (semFYC),
Spain
- Centro de Salud Roces Montevil, SESPA, Gijón,
Spain
| | - Eduardo Hevia
- Sociedad Española de Medicina de Familia y Comunitaria (semFYC),
Spain
- Centro de Salud Cabañaquinta, SESPA, Cabañaquinta,
Spain
| | - Mercè Marzo-Castillejo
- Sociedad Española de Medicina de Familia y Comunitaria (semFYC),
Spain
- Unitat de Suport a la Recerca Costa de Ponent de l Institut Català de la Salut, Institut Universitari d Investigació en Atenció Primaria Jordi Gol (IDIAP Jordi Gol), Cornellà de Llobregat,
Spain
- Address for correspondence: Mercè Marzo-Castillejo,
Unitat De Suport a La Recerca Costa De Ponent Del Institut Català De La Salut, Institut Universitari D’investigació En Atenció Primària Jordi Gol (IDIAP Jordi Gol),
Cornellà De Llobregat,
Spain. E-mail:
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Hazim S, Curtis PJ, Schär MY, Ostertag LM, Kay CD, Minihane AM, Cassidy A. Acute benefits of the microbial-derived isoflavone metabolite equol on arterial stiffness in men prospectively recruited according to equol producer phenotype: a double-blind randomized controlled trial. Am J Clin Nutr 2016; 103:694-702. [PMID: 26843154 PMCID: PMC4763500 DOI: 10.3945/ajcn.115.125690] [Citation(s) in RCA: 100] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2015] [Accepted: 12/28/2015] [Indexed: 11/14/2022] Open
Abstract
BACKGROUND There is much speculation with regard to the potential cardioprotective benefits of equol, a microbial-derived metabolite of the isoflavone daidzein, which is produced in the large intestine after soy intake in 30% of Western populations. Although cross-sectional and retrospective data support favorable associations between the equol producer (EP) phenotype and cardiometabolic health, few studies have prospectively recruited EPs to confirm this association. OBJECTIVE The aim was to determine whether the acute vascular benefits of isoflavones differ according to EP phenotype and subsequently investigate the effect of providing commercially produced S-(-)equol to non-EPs. DESIGN We prospectively recruited male EPs and non-EPs (n = 14/group) at moderate cardiovascular risk into a double-blind, placebo-controlled crossover study to examine the acute effects of soy isoflavones (80-mg aglycone equivalents) on arterial stiffness [carotid-femoral pulse-wave velocity (cfPWV)], blood pressure, endothelial function (measured by using the EndoPAT 2000; Itamar Medical), and nitric oxide at baseline (0 h) and 6 and 24 h after intake. In a separate assessment, non-EPs consumed 40 mg S-(-)equol with identical vascular measurements performed 2 h after intake. RESULTS After soy intake, cfPWV significantly improved in EPs at 24 h (cfPWV change from 0 h: isoflavone, -0.2 ± 0.2 m/s; placebo, 0.6 ± 0.2 m/s; P < 0.01), which was significantly associated with plasma equol concentrations (R = -0.36, P = 0.01). No vascular effects were observed in EPs at 6 h or in non-EPs at any time point. Similarly, no benefit of commercially produced S-(-)equol was observed in non-EPs despite mean plasma equol concentrations reaching 3.2 μmol/L. CONCLUSIONS Acute soy intake improved cfPWV in EPs, equating to an 11-12% reduced risk of cardiovascular disease if sustained. However, a single dose of commercially produced equol had no cardiovascular benefits in non-EPs. These data suggest that the EP phenotype is critical in unlocking the vascular benefits of equol in men, and long-term trials should focus on confirming the implications of EP phenotype on cardiovascular health. This trial was registered at clinicaltrials.gov as NCT01530893.
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Affiliation(s)
- Sara Hazim
- Department of Nutrition, Norwich Medical School, University of East Anglia, Norwich, United Kingdom
| | - Peter J Curtis
- Department of Nutrition, Norwich Medical School, University of East Anglia, Norwich, United Kingdom
| | - Manuel Y Schär
- Department of Nutrition, Norwich Medical School, University of East Anglia, Norwich, United Kingdom
| | - Luisa M Ostertag
- Department of Nutrition, Norwich Medical School, University of East Anglia, Norwich, United Kingdom
| | - Colin D Kay
- Department of Nutrition, Norwich Medical School, University of East Anglia, Norwich, United Kingdom
| | - Anne-Marie Minihane
- Department of Nutrition, Norwich Medical School, University of East Anglia, Norwich, United Kingdom
| | - Aedín Cassidy
- Department of Nutrition, Norwich Medical School, University of East Anglia, Norwich, United Kingdom
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Liu ZM, Ho SC, Chen YM, Xie YJ, Huang ZG, Ling WH. Research protocol: effect of natural S-equol on blood pressure and vascular function--a six-month randomized controlled trial among equol non-producers of postmenopausal women with prehypertension or untreated stage 1 hypertension. BMC COMPLEMENTARY AND ALTERNATIVE MEDICINE 2016; 16:89. [PMID: 26928904 PMCID: PMC4772692 DOI: 10.1186/s12906-016-1065-5] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/06/2015] [Accepted: 02/23/2016] [Indexed: 11/10/2022]
Abstract
BACKGROUND Although higher habitual soy intake is associated with lower blood pressure (BP) and stroke incidence, clinical trials using soy protein or isoflavones on cardiovascular risks yielded inconsistent results. The discrepancies are hypothesized to be due to the individuals' intestinal bacterial capacity to metabolite isoflavones daidzein into equol. Animal and in vitro studies have revealed that equol has stronger estrogen-like and anti-oxidative activity than isoflavones and possesses natriuretic and vasorelaxant properties which may play an important role in the prevention of hypertension. However, no clinical trial has examined the effect of equol on BP. We thus propose a 24-week randomized controlled trial to test the effectiveness of natural S-equol on BP and vascular function among equol non-producers. METHODS/DESIGN This will be a 6-month double-blind, randomized, placebo-controlled trial among 207 non-equol producing postmenopausal women with prehypertension or early untreated hypertension. Eligible participants who have completed a 2-week run-in will be randomized to either one of the 3 groups: placebo group, low-equol group (10 mg/d) and high equol group (20 mg/d). The outcome measures will be conducted at baseline and at the end of the trial including 24 h ambulatory BP, endothelial function (by ultrasound determined brachial flow mediated dilation), arterial stiffness (by pulse wave analysis) and other cardiovascular risk factors (lipid profile, glycemic control and inflammatory biomarkers). Urinary isoflavones will be tested for compliance assessment. One way analysis of variance will be applied to compare the 6-month changes in ambulatory BP or parameters of vascular function among the 3 treatment groups. DISCUSSION This study will be performed in community subjects. If the antihypertensive effect of equol is proven, the provision of natural equol to those high risk adults who are unable to produce equol will have enormous public health implications for the primary and secondary prevention of hypertension and cardiovascular diseases on a population basis. The research efforts will also have significant implications for industry in the provision of suitable soy products for the prevention of hypertension and its related complications. TRIAL REGISTRATION The trial was registered in ClinicalTrials.gov with identifier of NCT02515682 .
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Affiliation(s)
- Zhao-min Liu
- Division of Family Medicine and Primary Care, The Jockey Club School of Public Health and Primary Care, the Chinese University of Hong Kong, Hong Kong, SAR.
| | - Suzanne C Ho
- Division of Epidemiology, The Jockey Club School of Public Health and Primary Care, the Chinese University of Hong Kong, Hong Kong, SAR
| | - Yu-ming Chen
- Department of Medical Statistics and Epidemiology, School of Public Health, Sun Yat-sen University, Guangzhou, PR China
| | - Yao Jie Xie
- School of Nursing, Faculty of Health and Social Science, the Hong Kong Polytechnic University, Hong Kong, SAR
| | - Zhi-guan Huang
- Department of Sport and Health, Guangzhou Sport University, Guangzhou, PR China.
| | - Wen-hua Ling
- Department of Nutrition, School of Public Health, Sun Yat-sen University, Guangzhou, PR China
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Gong N, Hu K, Jin G, Du G, Lu Y. Concomitant polymorphs of methoxyflavone (5-methyl-7-methoxyflavone). RSC Adv 2016. [DOI: 10.1039/c6ra05995c] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023] Open
Abstract
A novel metastable polymorph and an unstable amorphous phase of methoxyflavone were discovered after a decade since the first report of the X-ray crystal structure of this bioactive compound.
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Affiliation(s)
- Ningbo Gong
- Beijing Key Laboratory of Polymorphic Drugs
- Institute of Materia Medica
- Chinese Academy of Medical Sciences and Peking Union Medical College
- Beijing 100050
- China
| | - Kun Hu
- Beijing Key Laboratory of Polymorphic Drugs
- Institute of Materia Medica
- Chinese Academy of Medical Sciences and Peking Union Medical College
- Beijing 100050
- China
| | - Guimin Jin
- Beijing Key Laboratory of Polymorphic Drugs
- Institute of Materia Medica
- Chinese Academy of Medical Sciences and Peking Union Medical College
- Beijing 100050
- China
| | - Guanhua Du
- Beijing City Key Laboratory of Drug Target Identification and Drug Screening
- Institute of Materia Medica
- Chinese Academy of Medical Sciences and Peking Union Medical College
- Beijing 100050
- China
| | - Yang Lu
- Beijing Key Laboratory of Polymorphic Drugs
- Institute of Materia Medica
- Chinese Academy of Medical Sciences and Peking Union Medical College
- Beijing 100050
- China
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32
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Whole plant foods intake is associated with fewer menopausal symptoms in Chinese postmenopausal women with prehypertension or untreated hypertension. Menopause 2015; 22:496-504. [DOI: 10.1097/gme.0000000000000349] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Isoflavone profile and protein quality during storage of sterilised soymilk treated by ultra high pressure homogenisation. Food Chem 2015; 167:78-83. [DOI: 10.1016/j.foodchem.2014.06.023] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2014] [Revised: 06/04/2014] [Accepted: 06/05/2014] [Indexed: 02/01/2023]
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34
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Toro-Funes N, Morales-Gutiérrez FJ, Veciana-Nogués MT, Vidal-Carou MC, Spencer JPE, Rodriguez-Mateos A. The intracellular metabolism of isoflavones in endothelial cells. Food Funct 2014; 6:98-108. [PMID: 25410768 DOI: 10.1039/c4fo00772g] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Data from epidemiological and human intervention studies have highlighted potential cardiovascular benefits of soy isoflavone-containing foods. In humans, genistein and daidzein are extensively metabolized after absorption into glucuronides and sulfate metabolites. However, limited data exist on isoflavone cellular metabolism, in particular in endothelial cells. We investigated the uptake and cellular metabolism of genistein, daidzein and its major in vivo microbial metabolite, equol, in human endothelial (HUVEC), liver (HepG2) and intestinal epithelial cells (Caco-2 monolayer). Our results indicate that genistein and daidzein are taken up by endothelial cells, and metabolized into methoxy-genistein-glucuronides, methoxy-genistein-sulfates and methoxy-daidzein-glucuronides. In contrast, equol was taken up but not metabolized. In HepG2 and Caco-2 cells, glucuronide and sulfate conjugates of genistein and daidzein and a sulfate conjugate of equol were formed. Our findings suggest that endothelial cell metabolism needs to be taken into account when investigating the cardioprotective mechanisms of action of isoflavones.
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Affiliation(s)
- Natalia Toro-Funes
- Department of Nutrition and Food Science-XaRTA, Faculty of Pharmacy, Campus de l'Alimentació Torribera, University of Barcelona, Avda. Prat de la Riba 171, 08921-Santa Coloma de Gramenet, Barcelona, Spain
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