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Hill EB, Baxter BA, Pfluger B, Slaughter CK, Beale M, Smith HV, Stromberg SS, Tipton M, Ibrahim H, Rao S, Leach H, Ryan EP. Plasma, urine, and stool metabolites in response to dietary rice bran and navy bean supplementation in adults at high-risk for colorectal cancer. Front Gastroenterol (Lausanne) 2023; 2:1087056. [PMID: 38469373 PMCID: PMC10927265 DOI: 10.3389/fgstr.2023.1087056] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Indexed: 03/13/2024]
Abstract
Introduction Dietary intake of whole grains and legumes and adequate physical activity (PA) have been associated with reduced colorectal cancer (CRC) risk. A single-blinded, two-arm, randomized, placebo-controlled pilot trial was implemented to evaluate the impact of a 12-week dietary intervention of rice bran + navy bean supplementation and PA education on metabolite profiles and the gut microbiome among individuals at high risk of CRC. Methods Adults (n=20) were randomized 1:1 to dietary intervention or control. All participants received PA education at baseline. Sixteen study foods were prepared with either heat-stabilized rice bran + navy bean powder or Fibersol®-2 as a placebo. Intervention participants consumed 30 g rice bran + 30 g navy bean powder daily; those in the control group consumed 10 g placebo daily. Non-targeted metabolite profiling was performed by UPLC-MS/MS to evaluate plasma, urine, and stool at 0, 6, and 12 weeks. Stool was also analyzed for primary and secondary bile acids (BAs) and short chain fatty acids (SCFAs) by UPLC-MS/MS and microbial community structure via 16S amplicon sequencing. Two-way ANOVA was used to compare differences between groups for metabolites, and mixed models were used to compare differences between groups for BAs, SCFAs, and alpha and beta diversity measures of microbial community structure. Results Across biological matrices, the intervention resulted in changes to several amino acid and lipid metabolites, compared to control. There was a 2.33-fold difference in plasma (p<0.001) and a 3.33-fold difference in urine (p=0.008) for the amino acid S-methylcysteine at 12 weeks. Fold-differences to 4-methoxyphenol sulfate in plasma and urine after 6 and 12 weeks (p<0.001) was a novel result from this combined rice bran and navy bean intervention in people. A 2.98-fold difference in plasma (p=0.002) and a 17.74-fold difference in stool (p=0.026) was observed for the lipid octadecenedioylcarnitine at 12 weeks. For stool BAs, 3-oxocholic acid was increased at 12 weeks compared to control within a subset of individuals (mean difference 16.2 ug/uL, p=0.022). No significant differences were observed between groups for stool SCFAs or microbial community structure. Discussion Dietary intake of rice bran + navy beans demonstrates beneficial modulation of host and gut microbial metabolism and represents a practical and affordable means of increasing adherence to national guidelines for CRC control and prevention in a high-risk population.
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Affiliation(s)
- Emily B. Hill
- Department of Pediatrics, Section of Nutrition, School of Medicine, University of Colorado, Aurora, CO, United States
| | - Bridget A. Baxter
- Department of Environmental and Radiological Health Sciences, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, CO, United States
| | - Brigitte Pfluger
- Rollins School of Public Health, Emory University, Atlanta, GA, United States
| | - Caroline K. Slaughter
- Department of Environmental and Radiological Health Sciences, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, CO, United States
| | - Melanie Beale
- Department of Health and Exercise Science, College of Health & Human Sciences, Colorado State University, Fort Collins, CO, United States
| | - Hillary V. Smith
- Colorado School of Public Health, Colorado State University, Fort Collins, CO, United States
| | - Sophia S. Stromberg
- Department of Environmental and Radiological Health Sciences, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, CO, United States
| | - Madison Tipton
- Department of Environmental and Radiological Health Sciences, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, CO, United States
| | - Hend Ibrahim
- Department of Environmental and Radiological Health Sciences, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, CO, United States
- Department of Medical Biochemistry, Faculty of Medicine, Zagazig University, Zagazig, Egypt
| | - Sangeeta Rao
- Department of Clinical Sciences, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, CO, United States
| | - Heather Leach
- Department of Health and Exercise Science, College of Health & Human Sciences, Colorado State University, Fort Collins, CO, United States
| | - Elizabeth P. Ryan
- Department of Environmental and Radiological Health Sciences, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, CO, United States
- Colorado School of Public Health, Colorado State University, Fort Collins, CO, United States
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Blackburn G, Hay J, Skagen C, Paul E, Achcar F, Wilson J, Best C, Manson E, Burgess K, Barrett MP, Gill JMR. Running on Empty: A Metabolomics Approach to Investigating Changing Energy Metabolism during Fasted Exercise and Rest. Metabolites 2020; 10:metabo10100399. [PMID: 33050077 PMCID: PMC7600507 DOI: 10.3390/metabo10100399] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2020] [Revised: 09/22/2020] [Accepted: 09/28/2020] [Indexed: 01/23/2023] Open
Abstract
Understanding the metabolic processes in energy metabolism, particularly during fasted exercise, is a growing area of research. Previous work has focused on measuring metabolites pre and post exercise. This can provide information about the final state of energy metabolism in the participants, but it does not show how these processes vary during the exercise and any subsequent post-exercise period. To address this, the work described here took fasted participants and subjected them to an exercise and rest protocol under laboratory settings, which allowed for breath and blood sampling both pre, during and post exercise. Analysis of the data produced from both the physiological measurements and the untargeted metabolomics measurements showed clear switching between glycolytic and ketolytic metabolism, with the liquid chromatography-mass spectrometry (LC-MS) data showing the separate stages of ketolytic metabolism, notably the transport, release and breakdown of long chain fatty acids. Several signals, putatively identified as short peptides, were observed to change in a pattern similar to that of the ketolytic metabolites. This work highlights the power of untargeted metabolomic methods as an investigative tool for exercise science, both to follow known processes in a more complete way and discover possible novel biomarkers.
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Affiliation(s)
- Gavin Blackburn
- Glasgow Polyomics, Wolfson Wohl Cancer Research Centre, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow G61 1BD, UK; (E.M.); (M.P.B.)
- Correspondence:
| | - Joshua Hay
- Center for Preventive Cardiology, Knight Cardiovascular Institute, Oregon Health & Science University, 3181 SW Sam Jackson Park Rd. Portland, OR 97239, USA;
| | - Christine Skagen
- Muscle Research Group, Department of Pharmacy, University of Oslo, Sem Sælands vei 3, 0371 Oslo, Norway;
| | - Elizabeth Paul
- BHF Glasgow Cardiovascular Research Centre (GCRC), Institute of Cardiovascular & Medical Sciences, University of Glasgow, 126 University Place, Glasgow G12 8TA, UK; (E.P.); (J.W.); (J.M.R.G.)
| | - Fiona Achcar
- Wellcome Centre for Integrative Parasitology, Institute of Infection, Immunity and Inflammation, University of Glasgow, 126 University Place, Glasgow G12 8TA, UK;
| | - John Wilson
- BHF Glasgow Cardiovascular Research Centre (GCRC), Institute of Cardiovascular & Medical Sciences, University of Glasgow, 126 University Place, Glasgow G12 8TA, UK; (E.P.); (J.W.); (J.M.R.G.)
| | - Cameron Best
- Institute of Infection, Immunity and Inflammation, University of Glasgow, Sir Graeme Davis Building, 126 University Place, Glasgow G12 8TA, UK;
| | - Erin Manson
- Glasgow Polyomics, Wolfson Wohl Cancer Research Centre, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow G61 1BD, UK; (E.M.); (M.P.B.)
| | - Karl Burgess
- Institute of Quantitative Biology, Biochemistry and Biotechnology, The University of Edinburgh, Edinburgh EH9 3FF, UK;
| | - Michael P. Barrett
- Glasgow Polyomics, Wolfson Wohl Cancer Research Centre, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow G61 1BD, UK; (E.M.); (M.P.B.)
- Wellcome Centre for Integrative Parasitology, Institute of Infection, Immunity and Inflammation, University of Glasgow, 126 University Place, Glasgow G12 8TA, UK;
| | - Jason M. R. Gill
- BHF Glasgow Cardiovascular Research Centre (GCRC), Institute of Cardiovascular & Medical Sciences, University of Glasgow, 126 University Place, Glasgow G12 8TA, UK; (E.P.); (J.W.); (J.M.R.G.)
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La Frano MR, Brito A, Johnson CM, Wilhelmson B, Gannon B, Fanter RK, Pedersen TL, Tanumihardjo SA, Newman JW. Metabolomics Reveals Altered Hepatic Bile Acids, Gut Microbiome Metabolites, and Cell Membrane Lipids Associated with Marginal Vitamin A Deficiency in a Mongolian Gerbil Model. Mol Nutr Food Res 2020; 64:e1901319. [PMID: 32453876 DOI: 10.1002/mnfr.201901319] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2019] [Revised: 05/19/2020] [Indexed: 12/17/2022]
Abstract
SCOPE This study is designed to provide a broad evaluation of the impacts of vitamin A (VA) deficiency on hepatic metabolism in a gerbil model. METHODS AND RESULTS After 28 days of VA depletion, male Mongolian gerbils (Meriones unguiculatus) are randomly assigned to experimental diets for 28 days. Groups are fed a white-maize-based diet with ≈50 µL cottonseed oil vehicle either alone (VA-, n = 10) or containing 40 µg retinyl acetate (VA+, n = 10) for 28 days. Liver retinol is measured by high-performance liquid chromatography. Primary metabolomics, aminomics, lipidomics, bile acids, oxylipins, ceramides, and endocannabinoids are analyzed in post-mortem liver samples by liquid chromatography-mass spectrometry. RESULTS Liver retinol is lower (p < 0.001) in the VA- versus VA+ group, with concentrations indicating marginal VA deficiency. A total of 300 metabolites are identified. Marginal VA deficiency is associated with lower bile acids, trimethylamine N-oxide, and a variety of acylcarnitines, phospholipids and sphingomyelins (p < 0.05). Components of DNA, including deoxyguanosine, cytidine, and N-carbomoyl-beta-alanine (p < 0.05), are differentially altered. CONCLUSIONS Hepatic metabolomics in a marginally VA-deficient gerbil model revealed alterations in markers of the gut microbiome, fatty acid and nucleotide metabolism, and cellular structure and signaling.
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Affiliation(s)
- Michael R La Frano
- Department of Food Science and Nutrition, California Polytechnic State University, San Luis Obispo, CA, 93407, USA.,Center for Health Research, California Polytechnic State University, San Luis Obispo, CA, 93407, USA.,West Coast Metabolomics Center, University of California, Davis, CA, USA.,Department of Nutrition, University of California Davis, Davis, CA, USA
| | - Alex Brito
- Laboratory of Pharmacokinetics and Metabolomic Analysis, Institute of Translational Medicine and Biotechnology, I. M. Sechenov First Moscow State Medical University, Moscow, 119991, Russia.,Luxembourg Institute of Health, Department of Population Health, Nutrition and Health Research Group, 1A-B, rue Thomas Edison, Strassen, 1445, Luxembourg
| | - Catherine M Johnson
- Department of Food Science and Nutrition, California Polytechnic State University, San Luis Obispo, CA, 93407, USA
| | - Baylee Wilhelmson
- Department of Food Science and Nutrition, California Polytechnic State University, San Luis Obispo, CA, 93407, USA
| | - Bryan Gannon
- University of Wisconsin-Madison, Department of Nutritional Sciences, Madison, WI, USA.,Division of Nutritional Sciences, Cornell University, Ithaca, NY, USA
| | - Rob K Fanter
- College of Agriculture, Food and Environmental Sciences, California Polytechnic State University, San Luis Obispo, CA, USA
| | - Theresa L Pedersen
- Department of Food Science and Technology, University of California Davis, Davis, CA, USA
| | - Sherry A Tanumihardjo
- University of Wisconsin-Madison, Department of Nutritional Sciences, Madison, WI, USA
| | - John W Newman
- West Coast Metabolomics Center, University of California, Davis, CA, USA.,Department of Nutrition, University of California Davis, Davis, CA, USA.,Obesity and Metabolism Research Unit, United States Department of Agriculture, Agricultural Research Service, Western Human Nutrition Research Center, Davis, CA, USA
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Martin FPJ, Collino S, Rezzi S, Kochhar S. Metabolomic applications to decipher gut microbial metabolic influence in health and disease. Front Physiol 2012; 3:113. [PMID: 22557976 PMCID: PMC3337463 DOI: 10.3389/fphys.2012.00113] [Citation(s) in RCA: 68] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2011] [Accepted: 04/05/2012] [Indexed: 12/22/2022] Open
Abstract
Dietary preferences and nutrients composition have been shown to influence human and gut microbial metabolism, which ultimately has specific effects on health and diseases’ risk. Increasingly, results from molecular biology and microbiology demonstrate the key role of the gut microbiota metabolic interface to the overall mammalian host’s health status. There is therefore raising interest in nutrition research to characterize the molecular foundations of the gut microbial–mammalian cross talk at both physiological and biochemical pathway levels. Tackling these challenges can be achieved through systems biology approaches, such as metabolomics, to underpin the highly complex metabolic exchanges between diverse biological compartments, including organs, systemic biofluids, and microbial symbionts. By the development of specific biomarkers for prediction of health and disease, metabolomics is increasingly used in clinical applications as regard to disease etiology, diagnostic stratification, and potentially mechanism of action of therapeutical and nutraceutical solutions. Surprisingly, an increasing number of metabolomics investigations in pre-clinical and clinical studies based on proton nuclear magnetic resonance (1H NMR) spectroscopy and mass spectrometry provided compelling evidence that system wide and organ-specific biochemical processes are under the influence of gut microbial metabolism. This review aims at describing recent applications of metabolomics in clinical fields where main objective is to discern the biochemical mechanisms under the influence of the gut microbiota, with insight into gastrointestinal health and diseases diagnostics and improvement of homeostasis metabolic regulation.
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Affiliation(s)
- François-Pierre J Martin
- Metabolomics and Biomarkers, Department of BioAnalytical Science, Nestlé Research Center, Nestec Ltd. Lausanne, Switzerland
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