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Lee H, Koh GY, Lee H, Alves P, Yokoyama W, Wang Y. Discovery of a Novel Bioactive Compound in Orange Peel Polar Fraction on the Inhibition of Trimethylamine and Trimethylamine N-Oxide through Metabolomics Approaches and In Vitro and In Vivo Assays: Feruloylputrescine Inhibits Trimethylamine via Suppressing cntA/B Enzyme. J Agric Food Chem 2024; 72:7870-7881. [PMID: 38562057 DOI: 10.1021/acs.jafc.3c09005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/04/2024]
Abstract
This study compares the inhibitory effects of orange peel polar fraction (OPP) and orange peel nonpolar fraction (OPNP) on trimethylamine (TMA) and trimethylamine N-oxide (TMAO) production in response to l-carnitine treatment in vivo and in vitro. Metabolomics is used to identify bioactive compounds. The research demonstrates that the OPP effectively regulates atherosclerosis-related markers, TMA and TMAO in plasma and urine, compared to the OPNP. Our investigation reveals that these inhibitory effects are independent of changes in gut microbiota composition. The effects are attributed to the modulation of cntA/B enzyme activity and FMO3 mRNA expression in vitro. Moreover, OPP exhibits stronger inhibitory effects on TMA production than OPNP, potentially due to its higher content of feruloylputrescine, which displays the highest inhibitory activity on the cntA/B enzyme and TMA production. These findings suggest that the OPP containing feruloylputrescine has the potential to alleviate cardiovascular diseases by modulating cntA/B and FMO3 enzymes without directly influencing gut microbiota composition.
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Affiliation(s)
- Hana Lee
- Department of Food Science and Human Nutrition, Citrus Research and Education Center, University of Florida, Lake Alfred, Florida 33850, United States
| | - Gar Yee Koh
- Department of Food Science and Human Nutrition, Citrus Research and Education Center, University of Florida, Lake Alfred, Florida 33850, United States
- Nutrition and Foods Program, School of Family and Consumer Sciences, Texas State University, San Marcos, Texas 78666, United States
| | - Hanna Lee
- Healthy Processed Foods Research Unit, Agricultural Research Service, United States Department of Agricultural, Albany, California 94710, United States
| | - Priscila Alves
- Healthy Processed Foods Research Unit, Agricultural Research Service, United States Department of Agricultural, Albany, California 94710, United States
| | - Wallace Yokoyama
- Healthy Processed Foods Research Unit, Agricultural Research Service, United States Department of Agricultural, Albany, California 94710, United States
| | - Yu Wang
- Department of Food Science and Human Nutrition, Citrus Research and Education Center, University of Florida, Lake Alfred, Florida 33850, United States
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Chang Y, Feng YN, Cheng L, Hu J, Zhu L, Tan W, Zhong H, Zhang Y, Huang RJ, Sun Y. Trimethylamine from Subtropical Forests Rival Total Farmland Emissions in China. Environ Sci Technol 2024; 58:5453-5460. [PMID: 38477969 DOI: 10.1021/acs.est.4c00622] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/14/2024]
Abstract
Many types of living plants release gaseous trimethylamine (TMA), making it a potentially important contributor to new particle formation (NPF) in remote areas. However, a panoramic view of the importance of forest biogenic TMA at the regional scale is lacking. Here, we pioneered nationwide mobile measurements of TMA across a transect of contiguous farmland in eastern China and a transect of subtropical forests in southern China. In contrast to the farmland route, TMA concentrations measured during the subtropical forest route correlated significantly with isoprene, suggesting potential TMA emissions from leaves. Our high time-resolved concentrations obtained from a weak photo-oxidizing atmosphere reflected freshly emitted TMA, indicating the highest emission intensity from irrigated dryland (set as the baseline of 10), followed by paddy field (7.1), subtropical evergreen forests (5.9), and subtropical broadleaf and mixed forests (4.3). Extrapolating their proportions roughly to China, subtropical forests alone, which constitute half of the total forest area, account for nearly 70% of the TMA emissions from the nation's total farmland. Our estimates, despite the uncertainties, take the first step toward large-scale assessment of forest biogenic amines, highlighting the need for observational and modeling studies to consider this hitherto overlooked source of TMA.
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Affiliation(s)
- Yunhua Chang
- Collaborative Innovation Center on Forecast and Evaluation of Meteorological Disasters, NUIST Center on Atmospheric Environment, Nanjing University of Information Science & Technology, Nanjing 210044, China
| | - Yu-Ning Feng
- Collaborative Innovation Center on Forecast and Evaluation of Meteorological Disasters, NUIST Center on Atmospheric Environment, Nanjing University of Information Science & Technology, Nanjing 210044, China
| | - Lin Cheng
- Collaborative Innovation Center on Forecast and Evaluation of Meteorological Disasters, NUIST Center on Atmospheric Environment, Nanjing University of Information Science & Technology, Nanjing 210044, China
| | - Jianlin Hu
- Jiangsu Key Laboratory of Atmospheric Environment Monitoring and Pollution Control, Collaborative Innovation Center of Atmospheric Environment and Equipment Technology, Nanjing University of Information Science & Technology, Nanjing 210044, China
| | - Liang Zhu
- TOFWERK China, Nanjing 211800, China
| | - Wen Tan
- TOFWERK China, Nanjing 211800, China
| | - Haobin Zhong
- College of Advanced Materials Engineering, Jiaxing Nanhu University, Jiaxing 314001, China
| | - Yi Zhang
- State Key Laboratory of Atmospheric Boundary Layer Physics and Atmospheric Chemistry, Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing 100029, China
| | - Ru-Jin Huang
- State Key Laboratory of Loess and Quaternary Geology, Center for Excellence in Quaternary Science and Global Change, and Key Laboratory of Aerosol Chemistry and Physics, Institute of Earth and Environment, Chinese Academy of Sciences, Xi'an 710061, China
| | - Yele Sun
- State Key Laboratory of Atmospheric Boundary Layer Physics and Atmospheric Chemistry, Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing 100029, China
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Satheesh Babu AK, Petersen C, Iglesias-Carres L, Paz HA, Wankhade UD, Neilson AP, Anandh Babu PV. Blueberry intervention mitigates detrimental microbial metabolite trimethylamine N-oxide by modulating gut microbes. Biofactors 2024; 50:392-404. [PMID: 37921575 PMCID: PMC11014767 DOI: 10.1002/biof.2014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/20/2023] [Accepted: 09/15/2023] [Indexed: 11/04/2023]
Abstract
Gut microbes play a pivotal role in host physiology by producing beneficial or detrimental metabolites. Gut bacteria metabolize dietary choline and L-carnitine to trimethylamine (TMA) which is then converted to trimethylamine-N-oxide (TMAO). An elevated circulating TMAO is associated with diabetes, obesity, cardiovascular disease, and cancer in humans. In the present study, we investigated the effect of dietary blueberries and strawberries at a nutritional dosage on TMA/TMAO production and the possible role of gut microbes. Blueberry cohort mice received a control (C) or freeze-dried blueberry supplemented (CB) diet for 12 weeks and subgroups received an antibiotics cocktail (CA and CBA). Strawberry cohort mice received a control (N) or strawberry-supplemented (NS) diet and subgroups received antibiotics (NA and NSA). Metabolic parameters, choline, TMA, and TMAO were assessed in addition to microbial profiling and characterization of berry powders. Blueberry supplementation (equivalent to 1.5 human servings) reduced circulating TMAO in CB versus C mice (~48%) without changing choline or TMA. This effect was not mediated through alterations in metabolic parameters. Dietary strawberries did not reduce choline, TMA, or TMAO. Depleting gut microbes with antibiotics in these cohorts drastically reduced TMA and TMAO to not-quantified levels. Further, dietary blueberries increased the abundance of bacterial taxa that are negatively associated with circulating TMA/TMAO suggesting the role of gut microbes. Our phenolic profiling indicates that this effect could be due to chlorogenic acid and increased phenolic contents in blueberries. Our study provides evidence for considering dietary blueberries to reduce TMAO and prevent TMAO-induced complications.
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Affiliation(s)
| | - Chrissa Petersen
- Department of Nutrition and Integrative Physiology, College of Health, University of Utah, Salt Lake City, Utah 84112, USA
| | - Lisard Iglesias-Carres
- Plants for Human Health Institute, Department of Food, Bioprocessing and Nutrition Sciences, North Carolina State University, Kannapolis, NC 28081, USA
| | - Henry A. Paz
- Arkansas Children’s Nutrition Center, University of Arkansas for Medical Sciences, Little Rock, AR 72205, USA
- Department of Pediatrics, University of Arkansas for Medical Sciences, Little Rock, AR 72205, USA
| | - Umesh D. Wankhade
- Arkansas Children’s Nutrition Center, University of Arkansas for Medical Sciences, Little Rock, AR 72205, USA
- Department of Pediatrics, University of Arkansas for Medical Sciences, Little Rock, AR 72205, USA
| | - Andrew P. Neilson
- Plants for Human Health Institute, Department of Food, Bioprocessing and Nutrition Sciences, North Carolina State University, Kannapolis, NC 28081, USA
| | - Pon Velayutham Anandh Babu
- Department of Nutrition and Integrative Physiology, College of Health, University of Utah, Salt Lake City, Utah 84112, USA
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Lin WC, Hsieh YY, Ho PR, Zeng RJ, Hsieh CT, Chang MC, Yeh CW, Lo CJ, Cheng ML, Liao CH. Rapid and Direct Detection of Trimethylamine N-oxide Using an Off-Chip Capacitance Biosensor with Readout SoC for Early-Stage Thrombosis and Cardiovascular Disease. ACS Sens 2024; 9:638-645. [PMID: 38350035 DOI: 10.1021/acssensors.3c01699] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/15/2024]
Abstract
A demonstration of an off-chip capacitance array sensor with a limit of detection of 1 μM trimethylamine N-oxide (TMAO) to diagnose a chronic metabolism disease in urine is presented. The improved Cole-Cole model is employed to determine the parameters of R_catalyzed, C_catalyzed, and Rp_catalyzed, enabling the prediction of the catalytic resistance of enzyme, reduction effects of the analyte, and characterize the small signal alternating current properties of ionic strength caused by catalysis. Based on the standard solutions, we investigate the effects of pixel geometry parameters, driving electrode width, and sensing electrode width on the electrical field change of the off-chip capacitance sensor; the proposed off-chip sensor with readout system-on-chip exhibits a high sensitivity of 21 analog-to-digital converter counts/μM TMAO (or 2.5 mV/μM TMAO), response time of 1 s, repetition of 98.9%, and drift over time of 0.5 mV. The proposed off-chip sensor effectively discriminates TMAO in a phosphate-buffered saline solution based on minute changes in capacitance induced by the TorA enzyme, resulting in a discernible 2.15% distinction. These measurements have been successfully corroborated using the conventional cyclic voltammetry method, demonstrating a mere 0.024% variance. The off-chip sensor is crafted with a specific focus on detecting TMAO, achieved by excluding any reduction reactions between the TMAO-specific enzyme TorA and the compounds creatine and creatinine present in urine. This deliberate omission ensures that the sensor's attention remains solely on TMAO, thereby enhancing its precision in achieving accurate and reliable TMAO detection.
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Affiliation(s)
- Wei-Cheng Lin
- Department of Electrical Engineering, Chang Gung University, Taoyuan 33302, Taiwan
- Department of Trauma and Emergency, Chang Gung Memorial Hospital, Linko 33302, Taiwan
| | - Yun-Yu Hsieh
- Department of Electrical Engineering, Chang Gung University, Taoyuan 33302, Taiwan
| | - Peng-Ru Ho
- Department of Electrical Engineering, Chang Gung University, Taoyuan 33302, Taiwan
| | - Ren-Jie Zeng
- Department of Electrical Engineering, Chang Gung University, Taoyuan 33302, Taiwan
| | - Chun-Ting Hsieh
- Department of Electrical Engineering, Chang Gung University, Taoyuan 33302, Taiwan
| | - Ming-Chiu Chang
- Department of Electrical Engineering, Chang Gung University, Taoyuan 33302, Taiwan
| | - Chun-Wei Yeh
- Department of Electrical Engineering, Chang Gung University, Taoyuan 33302, Taiwan
| | - Chi-Jen Lo
- Metabolomics Core Laboratory, Healthy Aging Research Center, Chang Gung University, Taoyuan 33302, Taiwan
- Clinical Metabolomics Core Laboratory,Chang Gung Memorial Hospital, Taoyuan 33302, Taiwan
| | - Mei-Ling Cheng
- Metabolomics Core Laboratory, Healthy Aging Research Center, Chang Gung University, Taoyuan 33302, Taiwan
- Clinical Metabolomics Core Laboratory,Chang Gung Memorial Hospital, Taoyuan 33302, Taiwan
- Graduate Institute of Biomedical Sciences, College of Medicine, Chang Gung University, Taoyuan 33302, Taiwan
- Department of Biomedical Sciences, College of Medicine, Chang Gung University, Taoyuan 33302, Taiwan
| | - Chien-Hung Liao
- Department of Trauma and Emergency, Chang Gung Memorial Hospital, Linko 33302, Taiwan
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Satheesh Babu AK, Petersen C, Paz HA, Iglesias-Carres L, Li Y, Zhong Y, Neilson AP, Wankhade UD, Anandh Babu PV. Gut Microbiota Depletion Using Antibiotics to Investigate Diet-Derived Microbial Metabolites: An Efficient Strategy. Mol Nutr Food Res 2024; 68:e2300386. [PMID: 38054624 DOI: 10.1002/mnfr.202300386] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2023] [Revised: 09/07/2023] [Indexed: 12/07/2023]
Abstract
SCOPE Gut microbiota depletion using antibiotics in drinking water is a valuable tool to investigate the role of gut microbes and microbial metabolites in health and disease. However, there are challenges associated with this model. Animals avoid drinking water because of the antibiotic bitterness, which affects their metabolic health. The present study develops an efficient strategy to deplete gut microbes without affecting metabolic parameters. METHODS AND RESULTS Male C57BL/6J mice (7 weeks old) are fed a control (C) or high-fat (HF) diet. Subgroups of C and HF mice receive an antibiotic cocktail in drinking water (CA and HA). The antibiotic dosage is gradually increased so that the animals adapt to the taste of antibiotics. Metabolic parameters, gut microbiome, and microbial metabolites are assessed after 12 weeks treatment. Culture methods and 16s rRNA amplification confirm the depletion of gut microbes in antibiotic groups (CA and HA). Further, antibiotic treatment does not alter metabolic parameters (body weight, body fat, lean body mass, blood glucose, and glucose/insulin tolerance), whereas it suppresses the production of diet-derived microbial metabolites (trimethylamine and trimethylamine-N-oxide). CONCLUSION This strategy effectively depletes gut microbes and suppresses the production of microbial metabolites in mice without affecting their metabolic health.
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Affiliation(s)
| | - Chrissa Petersen
- Department of Nutrition and Integrative Physiology, College of Health, University of Utah, Salt Lake City, UT, 84112, USA
| | - Henry A Paz
- Arkansas Children's Nutrition Center, University of Arkansas for Medical Sciences, Little Rock, 72205, AR, USA
- Department of Pediatrics, University of Arkansas for Medical Sciences, Little Rock, AR, 72205, USA
| | - Lisard Iglesias-Carres
- Plants for Human Health Institute, Department of Food, Bioprocessing and Nutrition Sciences, North Carolina State University, Kannapolis, NC, 28081, USA
| | - Ying Li
- Department of Nutrition and Integrative Physiology, College of Health, University of Utah, Salt Lake City, UT, 84112, USA
| | - Ying Zhong
- Arkansas Children's Nutrition Center, University of Arkansas for Medical Sciences, Little Rock, 72205, AR, USA
- Department of Pediatrics, University of Arkansas for Medical Sciences, Little Rock, AR, 72205, USA
| | - Andrew P Neilson
- Plants for Human Health Institute, Department of Food, Bioprocessing and Nutrition Sciences, North Carolina State University, Kannapolis, NC, 28081, USA
| | - Umesh D Wankhade
- Arkansas Children's Nutrition Center, University of Arkansas for Medical Sciences, Little Rock, 72205, AR, USA
- Department of Pediatrics, University of Arkansas for Medical Sciences, Little Rock, AR, 72205, USA
| | - Pon Velayutham Anandh Babu
- Department of Nutrition and Integrative Physiology, College of Health, University of Utah, Salt Lake City, UT, 84112, USA
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Huo L, Li H, Zhu M, Liu Y, Ren L, Hu J, Wang X. Enhanced trimethylamine metabolism and gut dysbiosis in type 2 diabetes mellitus with microalbumin. Front Endocrinol (Lausanne) 2023; 14:1257457. [PMID: 38075058 PMCID: PMC10698370 DOI: 10.3389/fendo.2023.1257457] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/12/2023] [Accepted: 10/11/2023] [Indexed: 12/18/2023] Open
Abstract
Background Abnormal gut microbiota and blood trimethylamine-N-oxide (TMAO) metabolome have been reported in patients with type 2 diabetes mellitus (T2DM) and advanced diabetic nephropathy. This study aimed to investigate the gut microbiota profiles and a group of targeted urine metabolic characteristics in T2DM patients with or without microalbuminuria, to determine the correlation between the gut microbiota composition, trimethylamine (TMA) metabolism, and the clinical features during progression of diabetic kidney disease (DKD). Methods This study included 26 T2DM patients with microalbuminuria (Micro), 26 T2DM patients with normoalbuminuria (Normo), and 15 healthy controls (HC). Urine and Fecal samples were detected using ultra performance liquid chromatography tandem mass spectrometry and 16S ribosomal DNA gene sequencing, respectively. Results The TMAO/TMA ratio decreased gradually during the HC-Normo-Micro transition. The levels of TMA, choline and betaine were significantly different between the HC group and the T2DM patients belonging to both Normo and Micro groups. At the operational taxonomic unit (OTU) level, the gut microflora diversity was significantly reduced in the Micro groups compared to the HC groups and the Normo groups. Taxonomic analyses revealed significant consumption in the relative abundances of eight bacterial genera and significant enrichment of two bacterial genera during the HC-Normo-Micro transition. Furthermore, the relative abundances of six bacterial genera, namely, Ruminococcus_1, [Eubacterium]_ruminantium_group, Roseburia, Faecalibacterium, Fusicatenibacter and Coprococcus_3 exhibited significant differences, and were associated with elevated urinary albumin creatinine ratio (UACR), TMAO/TMA, TMA and its precursors in the Micro group compared with the other groups. Conclusion The imbalance of gut microbiota has occurred in patients with early-stage DKD, and the consumption of short-chain fatty acid-producing bacteria were associated with the accumulation of TMA and UACR.
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Affiliation(s)
- Lixia Huo
- Huzhou Key Laboratory of Translational Medicine, The First Affiliated Hospital of Huzhou University, The First People’s Hospital, Huzhou, Zhejiang, China
| | - Hui Li
- Department of Environmental and Occupational Health, Center for Disease Control and Prevention, Huzhou, Zhejiang, China
| | - Ming Zhu
- Department of Nephrology, The First Affiliated Hospital of Huzhou University, The First People’s Hospital, Huzhou, Zhejiang, China
| | - Yang Liu
- Huzhou Key Laboratory of Translational Medicine, The First Affiliated Hospital of Huzhou University, The First People’s Hospital, Huzhou, Zhejiang, China
| | - Lingyan Ren
- Department of Nephrology, The First Affiliated Hospital of Huzhou University, The First People’s Hospital, Huzhou, Zhejiang, China
| | - Jia Hu
- Department of Endocrinology, The First Affiliated Hospital of Huzhou University, The First People’s Hospital, Huzhou, Zhejiang, China
| | - Xiaoyi Wang
- Department of Nephrology, The First Affiliated Hospital of Huzhou University, The First People’s Hospital, Huzhou, Zhejiang, China
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Kossyvaki D, Bustreo M, Contardi M, Athanassiou A, Fragouli D. Functional Polymeric Membranes with Antioxidant Properties for the Colorimetric Detection of Amines. Sensors (Basel) 2023; 23:9288. [PMID: 38005674 PMCID: PMC10675507 DOI: 10.3390/s23229288] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/28/2023] [Revised: 11/17/2023] [Accepted: 11/18/2023] [Indexed: 11/26/2023]
Abstract
Herein, the ability of highly porous colorimetric indicators to sense volatile and biogenic amine vapors in real time is presented. Curcumin-loaded polycaprolactone porous fiber mats are exposed to various concentrations of off-flavor compounds such as the volatile amine trimethylamine, and the biogenic amines cadaverine, putrescine, spermidine, and histamine, in order to investigate their colorimetric response. CIELAB color space analysis demonstrates that the porous fiber mats can detect the amine vapors, showing a distinct color change in the presence of down to 2.1 ppm of trimethylamine and ca. 11.0 ppm of biogenic amines, surpassing the limit of visual perception in just a few seconds. Moreover, the color changes are reversible either spontaneously, in the case of the volatile amines, or in an assisted way, through interactions with an acidic environment, in the case of the biogenic amines, enabling the use of the same indicator several times. Finally, yet importantly, the strong antioxidant activity of the curcumin-loaded fibers is successfully demonstrated through DPPH● and ABTS● radical scavenging assays. Through such a detailed study, we prove that the developed porous mats can be successfully established as a reusable smart system in applications where the rapid detection of alkaline vapors and/or the antioxidant activity are essential, such as food packaging, biomedicine, and environmental protection.
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Affiliation(s)
- Despoina Kossyvaki
- Smart Materials, Istituto Italiano di Tecnologia, Via Morego 30, 16163 Genova, Italy; (D.K.); (M.C.); (A.A.)
- Dipartimento di Informatica Bioingegneria, Robotica e Ingegneria dei Sistemi (DIBRIS), Università degli Studi di Genova, Via Opera Pia 13, 16145 Genova, Italy
| | - Matteo Bustreo
- Pattern Analysis and Computer Vision, Istituto Italiano di Tecnologia, Via Enrico Melen 83, 16152 Genova, Italy
| | - Marco Contardi
- Smart Materials, Istituto Italiano di Tecnologia, Via Morego 30, 16163 Genova, Italy; (D.K.); (M.C.); (A.A.)
| | - Athanassia Athanassiou
- Smart Materials, Istituto Italiano di Tecnologia, Via Morego 30, 16163 Genova, Italy; (D.K.); (M.C.); (A.A.)
| | - Despina Fragouli
- Smart Materials, Istituto Italiano di Tecnologia, Via Morego 30, 16163 Genova, Italy; (D.K.); (M.C.); (A.A.)
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Villamarín E, Martínez B, Trigo M, Aubourg SP. Influence of Different Previous Frozen Holding Periods on the Canned Fish Quality. Foods 2023; 12:4117. [PMID: 38002175 PMCID: PMC10670115 DOI: 10.3390/foods12224117] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [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: 10/27/2023] [Revised: 11/07/2023] [Accepted: 11/09/2023] [Indexed: 11/26/2023] Open
Abstract
The combined effects of thermal processing (i.e., sterilisation treatment) and the prior frozen storage time (3 or 6 months at -18 °C) on the quality loss in canned Atlantic horse mackerel (Trachurus trachurus) were determined. Thus, the sterilisation step led to a remarkable (p < 0.05) formation in the canned fish muscle of fluorescent compounds, free fatty acids (FFAs), and trimethylamine and an increase in the L* and b* colour parameters; meanwhile, a decrease (p < 0.05) in the total ω3 FA/total ω6 FA ratio and the a* colour value were detected. The prior frozen storage period led to an increased (p < 0.05) lipid oxidation (peroxide, thiobarbituric acid reactive substance, and fluorescent compound formation) and hydrolysis (FFA formation) development and to increased L* and b* colour values in the corresponding canned samples; additionally, a lower (p < 0.05) polyene index and phospholipid content were observed in canned fish previously subjected to frozen storage. In most indices, physico-chemical changes related to quality loss were found to be higher if the previous storage period was increased. According to the marked effects of the sterilisation step and the prior frozen storage period, the optimisation of such processing conditions is recommended to maximise the quality of canned horse mackerel.
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Affiliation(s)
- Elena Villamarín
- Department of Food Technology, Marine Research Institute (CSIC), c/Eduardo Cabello, 6, 36208 Vigo, Spain; (E.V.); (M.T.)
| | - Beatriz Martínez
- Department of Food Technologies, CIFP Coroso, Avda. da Coruña, 174, 15960 Ribeira, Spain;
| | - Marcos Trigo
- Department of Food Technology, Marine Research Institute (CSIC), c/Eduardo Cabello, 6, 36208 Vigo, Spain; (E.V.); (M.T.)
| | - Santiago P. Aubourg
- Department of Food Technology, Marine Research Institute (CSIC), c/Eduardo Cabello, 6, 36208 Vigo, Spain; (E.V.); (M.T.)
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Lee H, Liu X, An JP, Wang Y. Identification of Polymethoxyflavones (PMFs) from Orange Peel and Their Inhibitory Effects on the Formation of Trimethylamine (TMA) and Trimethylamine-N-oxide (TMAO) Using cntA/B and cutC/D Enzymes and Molecular Docking. J Agric Food Chem 2023; 71:16114-16124. [PMID: 37851928 DOI: 10.1021/acs.jafc.3c04462] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/20/2023]
Abstract
This study investigates the inhibitory effects of polymethoxyflavones (PMFs) on enzymes involved in the production of trimethylamine (TMA) and trimethylamine-N-oxide (TMAO). PMFs were isolated from Valencia orange peel and identified using column separation and NMR techniques. The findings reveal that nobiletin and 3,6,7,8,2',5'-hexamethoxyflavone significantly suppress cntA/B and cutC/D, respectively. Furthermore, 3,6,7,8,2',5'-hexamethoxyflavone decreases the level of TMAO formation by suppressing the FMO3 mRNA level. This study elucidates that specific structural features of PMFs can contribute to their interactions with enzymes. Our study represents the first demonstration of the ability of PMFs to mitigate the risk of cardiovascular disease (CVD) by inhibiting enzymes responsible for TMA production, which are generated by gut microbiomes. Furthermore, we introduce a novel model system utilizing TMA-induced HepG2 cells to assess and compare the inhibitory effects of PMFs on TMAO production. These findings could pave the way for the development of novel therapeutic approaches to manage CVD.
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Affiliation(s)
- Hana Lee
- Department of Food Science and Human Nutrition, Citrus Research and Education Center, University of Florida, Lake Alfred, Florida 33850, United States
| | - Xin Liu
- Department of Food Science and Human Nutrition, Citrus Research and Education Center, University of Florida, Lake Alfred, Florida 33850, United States
| | - Jin-Pyo An
- Department of Food Science and Human Nutrition, Citrus Research and Education Center, University of Florida, Lake Alfred, Florida 33850, United States
| | - Yu Wang
- Department of Food Science and Human Nutrition, Citrus Research and Education Center, University of Florida, Lake Alfred, Florida 33850, United States
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Borton MA, Shaffer M, Hoyt DW, Jiang R, Ellenbogen JB, Purvine S, Nicora CD, Eder EK, Wong AR, Smulian AG, Lipton MS, Krzycki JA, Wrighton KC. Targeted curation of the gut microbial gene content modulating human cardiovascular disease. mBio 2023; 14:e0151123. [PMID: 37695138 PMCID: PMC10653893 DOI: 10.1128/mbio.01511-23] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2023] [Accepted: 07/17/2023] [Indexed: 09/12/2023] Open
Abstract
IMPORTANCE One of the most-cited examples of the gut microbiome modulating human disease is the microbial metabolism of quaternary amines from protein-rich foods. By-products of this microbial processing promote atherosclerotic heart disease, a leading cause of human mortality globally. Our research addresses current knowledge gaps in our understanding of this microbial metabolism by holistically inventorying the microorganisms and expressed genes catalyzing critical atherosclerosis-promoting and -ameliorating reactions in the human gut. This led to the creation of an open-access resource, the Methylated Amine Gene Inventory of Catabolism database, the first systematic inventory of gut methylated amine metabolism. More importantly, using this resource we deliver here, we show for the first time that these gut microbial genes can predict human disease, paving the way for microbiota-inspired diagnostics and interventions.
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Affiliation(s)
- Mikayla A. Borton
- Department of Soil and Crop Sciences, Colorado State University, Fort Collins, Colorado, USA
| | - Michael Shaffer
- Department of Soil and Crop Sciences, Colorado State University, Fort Collins, Colorado, USA
| | - David W. Hoyt
- Environmental and Biological Sciences Directorate, Pacific Northwest National Laboratory, Richland, Washington, USA
| | - Ruisheng Jiang
- Department of Microbiology, The Ohio State University, Columbus, Ohio, USA
| | | | - Samuel Purvine
- Environmental and Biological Sciences Directorate, Pacific Northwest National Laboratory, Richland, Washington, USA
| | - Carrie D. Nicora
- Environmental and Biological Sciences Directorate, Pacific Northwest National Laboratory, Richland, Washington, USA
| | - Elizabeth K. Eder
- Environmental and Biological Sciences Directorate, Pacific Northwest National Laboratory, Richland, Washington, USA
| | - Allison R. Wong
- Environmental and Biological Sciences Directorate, Pacific Northwest National Laboratory, Richland, Washington, USA
| | - A. George Smulian
- Department of Internal Medicine, University of Cincinnati, Cincinnati, Ohio, USA
| | - Mary S. Lipton
- Environmental and Biological Sciences Directorate, Pacific Northwest National Laboratory, Richland, Washington, USA
| | - Joseph A. Krzycki
- Department of Microbiology, The Ohio State University, Columbus, Ohio, USA
| | - Kelly C. Wrighton
- Department of Soil and Crop Sciences, Colorado State University, Fort Collins, Colorado, USA
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11
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Beaumont M, Lencina C, Bertide A, Gallo L, Barilly C, Marrauld C, Cauquil L, Samson A, Combes S. The Early Life Microbiota Is Not a Major Factor Underlying the Susceptibility to Postweaning Diarrhea in Piglets. Microbiol Spectr 2023; 11:e0069423. [PMID: 37358441 PMCID: PMC10433861 DOI: 10.1128/spectrum.00694-23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2023] [Accepted: 06/09/2023] [Indexed: 06/27/2023] Open
Abstract
Postweaning diarrhea (PWD) in piglets impair welfare, induce economic losses and lead to overuse of antibiotics. The early life gut microbiota was proposed to contribute to the susceptibility to PWD. The objective of our study was to evaluate in a large cohort of 116 piglets raised in 2 separate farms whether the gut microbiota composition and functions during the suckling period were associated with the later development of PWD. The fecal microbiota and metabolome were analyzed by 16S rRNA gene amplicon sequencing and nuclear magnetic based resonance at postnatal day 13 in male and female piglets. The later development of PWD was recorded for the same animals from weaning (day 21) to day 54. The gut microbiota structure and α-diversity during the suckling period were not associated with the later development of PWD. There was no significant difference in the relative abundances of bacterial taxa in suckling piglets that later developed PWD. The predicted functionality of the gut microbiota and the fecal metabolome signature during the suckling period were not linked to the later development of PWD. Trimethylamine was the bacterial metabolite which fecal concentration during the suckling period was the most strongly associated with the later development of PWD. However, experiments in piglet colon organoids showed that trimethylamine did not disrupt epithelial homeostasis and is thus not likely to predispose to PWD through this mechanism. In conclusion, our data suggest that the early life microbiota is not a major factor underlying the susceptibility to PWD in piglets. IMPORTANCE This study shows that the fecal microbiota composition and metabolic activity are similar in suckling piglets (13 days after birth) that either later develop post-weaning diarrhea (PWD) or not, which is a major threat for animal welfare that also causes important economic losses and antibiotic treatments in pig production. The aim of this work was to study a large cohort of piglets raised in separates environments, which is a major factor influencing the early life microbiota. One of the main findings is that, although the fecal concentration of trimethylamine in suckling piglets was associated with the later development of PWD, this gut microbiota-derived metabolite did not disrupt the epithelial homeostasis in organoids derived from the pig colon. Overall, this study suggests that the gut microbiota during the suckling period is not a major factor underlying the susceptibility of piglets to PWD.
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Affiliation(s)
- Martin Beaumont
- GenPhySE, Université de Toulouse, INRAE, ENVT, Castanet-Tolosan, France
| | - Corinne Lencina
- GenPhySE, Université de Toulouse, INRAE, ENVT, Castanet-Tolosan, France
| | - Allan Bertide
- GenPhySE, Université de Toulouse, INRAE, ENVT, Castanet-Tolosan, France
| | - Lise Gallo
- GenPhySE, Université de Toulouse, INRAE, ENVT, Castanet-Tolosan, France
| | - Céline Barilly
- GenPhySE, Université de Toulouse, INRAE, ENVT, Castanet-Tolosan, France
| | | | - Laurent Cauquil
- GenPhySE, Université de Toulouse, INRAE, ENVT, Castanet-Tolosan, France
| | | | - Sylvie Combes
- GenPhySE, Université de Toulouse, INRAE, ENVT, Castanet-Tolosan, France
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12
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Park JH, Cha YJ, Kim SJ, Lee EJ, Lee JE, Moon HK. Shelf Life Prediction of Vacuum-Packaged Grilled Mackerel. Prev Nutr Food Sci 2023; 28:200-208. [PMID: 37416795 PMCID: PMC10321445 DOI: 10.3746/pnf.2023.28.2.200] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [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: 12/15/2022] [Revised: 02/17/2023] [Accepted: 03/03/2023] [Indexed: 07/08/2023] Open
Abstract
The current study aimed to establish the shelf life of vacuum-packaged grilled mackerel stored at 5, -5, and -20°C for 70 days. To this end, physicochemical analyses, which involved determining the pH, volatile basic nitrogen, amino nitrogen, trimethylamine (TMA), and thiobarbituric acid levels; microbiological analyses (aerobic plate count and coliform); and sensory quality determination were performed. Regression analysis on the relationship between physicochemical properties and storage time at various temperatures revealed TMA level was the most suitable parameter (R2=0.9769) for predicting changes in the quality of grilled mackerel during storage, with a quality limit value of 8.74 mg/100 g. The shelf life of vacuum-packaged grilled mackerel according to temperature was 21, 53, 62, and 75 days for 5, -5, -15, and -20°C, respectively, with the use-by date being 23 days at 5°C and 74 days at -5°C. In conclusion, TMA was the most suitable parameter for predicting changes in the quality of grilled mackerel during storage.
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Affiliation(s)
- Jae-Hee Park
- Interdisciplinary Program in Senior Human Ecology, Changwon National University, Gyeongnam 51140, Korea
| | - Yong-Jun Cha
- Department of Food and Nutrition, Changwon National University, Gyeongnam 51140, Korea
| | - Seo-Jin Kim
- Interdisciplinary Program in Senior Human Ecology, Changwon National University, Gyeongnam 51140, Korea
| | - Eun-Jin Lee
- Interdisciplinary Program in Senior Human Ecology, Changwon National University, Gyeongnam 51140, Korea
| | - Jeong-Eon Lee
- Department of Food and Nutrition, Changwon National University, Gyeongnam 51140, Korea
| | - Hye Kyung Moon
- Interdisciplinary Program in Senior Human Ecology, Changwon National University, Gyeongnam 51140, Korea
- Department of Food and Nutrition, Changwon National University, Gyeongnam 51140, Korea
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13
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Goris M, Cea-Rama I, Puntervoll P, Ree R, Almendral D, Sanz-Aparicio J, Ferrer M, Bjerga GEK. Increased Thermostability of an Engineered Flavin-Containing Monooxygenase to Remediate Trimethylamine in Fish Protein Hydrolysates. Appl Environ Microbiol 2023:e0039023. [PMID: 37222584 DOI: 10.1128/aem.00390-23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/25/2023] Open
Abstract
Protein hydrolysates made from marine by-products are very nutritious but frequently contain trimethylamine (TMA), which has an unattractive fish-like smell. Bacterial trimethylamine monooxygenases can oxidize TMA into the odorless trimethylamine N-oxide (TMAO) and have been shown to reduce TMA levels in a salmon protein hydrolysate. To make the flavin-containing monooxygenase (FMO) Methylophaga aminisulfidivorans trimethylamine monooxygenase (mFMO) more suitable for industrial application, we engineered it using the Protein Repair One-Stop Shop (PROSS) algorithm. All seven mutant variants, containing 8 to 28 mutations, displayed increases in melting temperature of between 4.7°C and 9.0°C. The crystal structure of the most thermostable variant, mFMO_20, revealed the presence of four new stabilizing interhelical salt bridges, each involving a mutated residue. Finally, mFMO_20 significantly outperformed native mFMO in its ability to reduce TMA levels in a salmon protein hydrolysate at industrially relevant temperatures. IMPORTANCE Marine by-products are a high-quality source for peptide ingredients, but the unpleasant fishy odor caused by TMA limits their access to the food market. This problem can be mitigated by enzymatic conversion of TMA into the odorless TMAO. However, enzymes isolated from nature must be adapted to industrial requirements, such as the ability to tolerate high temperatures. This study has demonstrated that mFMO can be engineered to become more thermostable. Moreover, unlike the native enzyme, the best thermostable variant efficiently oxidized TMA in a salmon protein hydrolysate at industrial temperatures. Our results present an important next step toward the application of this novel and highly promising enzyme technology in marine biorefineries.
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Affiliation(s)
- Marianne Goris
- NORCE Climate & Environment - NORCE Norwegian Research Centre, Bergen, Norway
| | - Isabel Cea-Rama
- Instituto de Quimica Fisica Rocasolano (IQFR), CSIC, Madrid, Spain
| | - Pål Puntervoll
- NORCE Climate & Environment - NORCE Norwegian Research Centre, Bergen, Norway
| | - Rasmus Ree
- NORCE Climate & Environment - NORCE Norwegian Research Centre, Bergen, Norway
| | - David Almendral
- Instituto de Catalisis y Petroleoquimica (ICP), CSIC, Madrid, Spain
| | | | - Manuel Ferrer
- Instituto de Catalisis y Petroleoquimica (ICP), CSIC, Madrid, Spain
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Ivanova AY, Shirokov IV, Toshchakov SV, Kozlova AD, Obolenskaya ON, Mariasina SS, Ivlev VA, Gartseev IB, Medvedev OS. Effects of Coenzyme Q10 on the Biomarkers (Hydrogen, Methane, SCFA and TMA) and Composition of the Gut Microbiome in Rats. Pharmaceuticals (Basel) 2023; 16:ph16050686. [PMID: 37242469 DOI: 10.3390/ph16050686] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2023] [Revised: 04/21/2023] [Accepted: 04/27/2023] [Indexed: 05/28/2023] Open
Abstract
The predominant route of administration of drugs with coenzyme Q10 (CoQ10) is administration per os. The bioavailability of CoQ10 is about 2-3%. Prolonged use of CoQ10 to achieve pharmacological effects contributes to the creation of elevated concentrations of CoQ10 in the intestinal lumen. CoQ10 can have an effect on the gut microbiota and the levels of biomarkers it produces. CoQ10 at a dose of 30 mg/kg/day was administered per os to Wistar rats for 21 days. The levels of gut microbiota biomarkers (hydrogen, methane, short-chain fatty acids (SCFA), and trimethylamine (TMA)) and taxonomic composition were measured twice: before the administration of CoQ10 and at the end of the experiment. Hydrogen and methane levels were measured using the fasting lactulose breath test, fecal and blood SCFA and fecal TMA concentrations were determined by NMR, and 16S sequencing was used to analyze the taxonomic composition. Administration of CoQ10 for 21 days resulted in a 1.83-fold (p = 0.02) increase in hydrogen concentration in the total air sample (exhaled air + flatus), a 63% (p = 0.02) increase in the total concentration of SCFA (acetate, propionate, butyrate) in feces, a 126% increase in butyrate (p = 0.04), a 6.56-fold (p = 0.03) decrease in TMA levels, a 2.4-fold increase in relative abundance of Ruminococcus and Lachnospiraceae AC 2044 group by 7.5 times and a 2.8-fold decrease in relative representation of Helicobacter. The mechanism of antioxidant effect of orally administered CoQ10 can include modification of the taxonomic composition of the gut microbiota and increased generation of molecular hydrogen, which is antioxidant by itself. The evoked increase in the level of butyric acid can be followed by protection of the gut barrier function.
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Affiliation(s)
- Anastasiia Yu Ivanova
- Faculty of Medicine, Lomonosov Moscow State University, Moscow 119991, Russia
- National Medical Research Center of Cardiology of the Ministry of Health of the Russian Federation, Laboratory of Experimental Pharmacology, Moscow 121552, Russia
| | - Ivan V Shirokov
- Medical and Technical Information Technologies, Bauman Moscow State Technical University, Moscow 105005, Russia
| | - Stepan V Toshchakov
- Center for Genome Research, National Research Center "Kurchatov Institute", Moscow 123098, Russia
| | - Aleksandra D Kozlova
- Center for Genome Research, National Research Center "Kurchatov Institute", Moscow 123098, Russia
| | - Olga N Obolenskaya
- Faculty of Medicine, Lomonosov Moscow State University, Moscow 119991, Russia
| | - Sofia S Mariasina
- Faculty of Medicine, Lomonosov Moscow State University, Moscow 119991, Russia
- Institute of Functional Genomics, Moscow State University, Moscow 119991, Russia
| | - Vasily A Ivlev
- Pharmacy Resource Center, Peoples Friendship University of Russia (RUDN University), Moscow 117198, Russia
| | - Ilya B Gartseev
- The Institute of Artificial Intelligence of Russian Technological University MIREA, Moscow 119454, Russia
| | - Oleg S Medvedev
- Faculty of Medicine, Lomonosov Moscow State University, Moscow 119991, Russia
- National Medical Research Center of Cardiology of the Ministry of Health of the Russian Federation, Laboratory of Experimental Pharmacology, Moscow 121552, Russia
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15
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Ongun MC, Orgul G, Celik C, Bariskaner H. Contractile effect of trimethylamine and trimethylamine-n-oxide on isolated human umbilical arteries. J Obstet Gynaecol Res 2023. [PMID: 37045561 DOI: 10.1111/jog.15656] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [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: 01/23/2023] [Accepted: 04/03/2023] [Indexed: 04/14/2023]
Abstract
BACKGROUND The aim of this study is to investigate the effect of trimethylamine (TMA) and trimethylamine-n-oxide (TMAO) on the contractility of human umbilical artery and the possible mechanisms involved. METHODS Vasoactive responses to TMA and TMAO on human umbilical artery rings were measured in isolated organ baths. Cumulative dose-response curves for TMA and TMAO were obtained before and after incubation with atropine, yohimbine, prazosin, indomethacin, verapamil, and Ca+2 -free Krebs-Henselite solution. RESULTS Administration of cumulative TMA and TMAO resulted in dose-dependent contraction at concentrations ranging from 10 to 100 mM on human umbilical artery rings. TMA-induced contractions were more potent than TMAO-induced contractions (TMA: -logEC50 = 1.00 ± 0.02, TMAO: -logEC50 = 0.57 ± 0.02). Contraction responses to TMA were significantly lower in the presence of verapamil and in the absence of external Ca+2 (p < 0.001, p < 0.05, respectively). CONCLUSION Our results showed that TMA and TMAO caused vasoconstriction in isolated human umbilical artery rings. Our findings also indicated that TMA but not TMAO-induced vasoconstriction was partially dependent on extracellular Ca2+ and calcium influx through L-type Ca2+ channels. Our results suggest that TMA and TMAO may have the potential to contribute to cardiovascular diseases through their direct effect on vascular contractility in human arteries.
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Affiliation(s)
- Mert C Ongun
- Department of Medical Pharmacology, Faculty of Medicine, Selcuk University, Konya, Turkey
| | - Gokcen Orgul
- Department of Obstetrics and Gynecology, Faculty of Medicine, Selcuk University, Konya, Turkey
| | - Cetin Celik
- Department of Obstetrics and Gynecology, Faculty of Medicine, Selcuk University, Konya, Turkey
| | - Hulagu Bariskaner
- Department of Medical Pharmacology, Faculty of Medicine, Selcuk University, Konya, Turkey
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16
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Benson TW, Conrad KA, Li XS, Wang Z, Helsley RN, Schugar RC, Coughlin TM, Wadding-Lee C, Fleifil S, Russell HM, Stone T, Brooks M, Buffa JA, Mani K, Björck M, Wanhainen A, Sangwan N, Biddinger S, Bhandari R, Ademoya A, Pascual C, Tang WW, Tranter M, Cameron SJ, Brown JM, Hazen SL, Owens AP. Gut Microbiota-Derived Trimethylamine N-Oxide Contributes to Abdominal Aortic Aneurysm Through Inflammatory and Apoptotic Mechanisms. Circulation 2023; 147:1079-1096. [PMID: 37011073 PMCID: PMC10071415 DOI: 10.1161/circulationaha.122.060573] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/25/2022] [Accepted: 02/07/2023] [Indexed: 04/05/2023]
Abstract
BACKGROUND Large-scale human and mechanistic mouse studies indicate a strong relationship between the microbiome-dependent metabolite trimethylamine N-oxide (TMAO) and several cardiometabolic diseases. This study aims to investigate the role of TMAO in the pathogenesis of abdominal aortic aneurysm (AAA) and target its parent microbes as a potential pharmacological intervention. METHODS TMAO and choline metabolites were examined in plasma samples, with associated clinical data, from 2 independent patient cohorts (N=2129 total). Mice were fed a high-choline diet and underwent 2 murine AAA models, angiotensin II infusion in low-density lipoprotein receptor-deficient (Ldlr-/-) mice or topical porcine pancreatic elastase in C57BL/6J mice. Gut microbial production of TMAO was inhibited through broad-spectrum antibiotics, targeted inhibition of the gut microbial choline TMA lyase (CutC/D) with fluoromethylcholine, or the use of mice genetically deficient in flavin monooxygenase 3 (Fmo3-/-). Finally, RNA sequencing of in vitro human vascular smooth muscle cells and in vivo mouse aortas was used to investigate how TMAO affects AAA. RESULTS Elevated TMAO was associated with increased AAA incidence and growth in both patient cohorts studied. Dietary choline supplementation augmented plasma TMAO and aortic diameter in both mouse models of AAA, which was suppressed with poorly absorbed oral broad-spectrum antibiotics. Treatment with fluoromethylcholine ablated TMAO production, attenuated choline-augmented aneurysm initiation, and halted progression of an established aneurysm model. In addition, Fmo3-/- mice had reduced plasma TMAO and aortic diameters and were protected from AAA rupture compared with wild-type mice. RNA sequencing and functional analyses revealed choline supplementation in mice or TMAO treatment of human vascular smooth muscle cells-augmented gene pathways associated with the endoplasmic reticulum stress response, specifically the endoplasmic reticulum stress kinase PERK. CONCLUSIONS These results define a role for gut microbiota-generated TMAO in AAA formation through upregulation of endoplasmic reticulum stress-related pathways in the aortic wall. In addition, inhibition of microbiome-derived TMAO may serve as a novel therapeutic approach for AAA treatment where none currently exist.
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Affiliation(s)
- Tyler W. Benson
- Department of Internal Medicine, University of Cincinnati College of Medicine, Cincinnati, OH 45267-0542, USA
- Division of Cardiovascular Health & Disease, University of Cincinnati College of Medicine, Cincinnati, OH 45267-0542, USA
| | - Kelsey A. Conrad
- Department of Internal Medicine, University of Cincinnati College of Medicine, Cincinnati, OH 45267-0542, USA
- Division of Cardiovascular Health & Disease, University of Cincinnati College of Medicine, Cincinnati, OH 45267-0542, USA
- Pathobiology and Molecular Medicine Graduate Program, University of Cincinnati College of Medicine, Cincinnati, OH 45267-0542, USA
| | - Xinmin S. Li
- Department of Cardiovascular and Metabolic Sciences, Learner Research Institute, Cleveland Clinic, Cleveland, OH 44195, USA
- Center for Microbiome & Human Health, Cleveland Clinic, Cleveland, OH 44195, USA
| | - Zeneng Wang
- Department of Cardiovascular and Metabolic Sciences, Learner Research Institute, Cleveland Clinic, Cleveland, OH 44195, USA
- Center for Microbiome & Human Health, Cleveland Clinic, Cleveland, OH 44195, USA
| | - Robert N. Helsley
- Department of Cardiovascular and Metabolic Sciences, Learner Research Institute, Cleveland Clinic, Cleveland, OH 44195, USA
| | - Rebecca C. Schugar
- Department of Cardiovascular and Metabolic Sciences, Learner Research Institute, Cleveland Clinic, Cleveland, OH 44195, USA
| | - Taylor M. Coughlin
- Department of Internal Medicine, University of Cincinnati College of Medicine, Cincinnati, OH 45267-0542, USA
- Division of Cardiovascular Health & Disease, University of Cincinnati College of Medicine, Cincinnati, OH 45267-0542, USA
- Pathobiology and Molecular Medicine Graduate Program, University of Cincinnati College of Medicine, Cincinnati, OH 45267-0542, USA
| | - Caris Wadding-Lee
- Department of Internal Medicine, University of Cincinnati College of Medicine, Cincinnati, OH 45267-0542, USA
- Division of Cardiovascular Health & Disease, University of Cincinnati College of Medicine, Cincinnati, OH 45267-0542, USA
- Pathobiology and Molecular Medicine Graduate Program, University of Cincinnati College of Medicine, Cincinnati, OH 45267-0542, USA
| | - Salma Fleifil
- Department of Internal Medicine, University of Cincinnati College of Medicine, Cincinnati, OH 45267-0542, USA
- Division of Cardiovascular Health & Disease, University of Cincinnati College of Medicine, Cincinnati, OH 45267-0542, USA
| | - Hannah M. Russell
- Department of Internal Medicine, University of Cincinnati College of Medicine, Cincinnati, OH 45267-0542, USA
- Division of Cardiovascular Health & Disease, University of Cincinnati College of Medicine, Cincinnati, OH 45267-0542, USA
- Pathobiology and Molecular Medicine Graduate Program, University of Cincinnati College of Medicine, Cincinnati, OH 45267-0542, USA
| | - Timothy Stone
- Department of Environmental Health, University of Cincinnati College of Medicine, Cincinnati, OH 45267-0542, USA
- Division of Biostatistics and Bioinformatics, University of Cincinnati College of Medicine, Cincinnati, OH 45267-0542, USA
| | - Michael Brooks
- Department of Internal Medicine, University of Cincinnati College of Medicine, Cincinnati, OH 45267-0542, USA
- Division of Cardiovascular Health & Disease, University of Cincinnati College of Medicine, Cincinnati, OH 45267-0542, USA
| | - Jennifer A. Buffa
- Department of Cardiovascular and Metabolic Sciences, Learner Research Institute, Cleveland Clinic, Cleveland, OH 44195, USA
- Center for Microbiome & Human Health, Cleveland Clinic, Cleveland, OH 44195, USA
| | - Kevin Mani
- Section of Vascular Surgery, Department of Surgical Sciences, Uppsala University, Uppsala, Sweden
| | - Martin Björck
- Section of Vascular Surgery, Department of Surgical Sciences, Uppsala University, Uppsala, Sweden
| | - Anders Wanhainen
- Section of Vascular Surgery, Department of Surgical Sciences, Uppsala University, Uppsala, Sweden
| | - Naseer Sangwan
- Department of Cardiovascular and Metabolic Sciences, Learner Research Institute, Cleveland Clinic, Cleveland, OH 44195, USA
- Center for Microbiome & Human Health, Cleveland Clinic, Cleveland, OH 44195, USA
| | - Sudha Biddinger
- Division of Endocrinology, Boston Children’s Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Rohan Bhandari
- Department of Cardiovascular and Metabolic Sciences, Learner Research Institute, Cleveland Clinic, Cleveland, OH 44195, USA
- Department of Cardiovascular Medicine, Hearth, Vascular and Thoracic Institute, Cleveland Clinic, Cleveland, OH 44195, USA
| | - Akiirayi Ademoya
- Department of Cardiovascular and Metabolic Sciences, Learner Research Institute, Cleveland Clinic, Cleveland, OH 44195, USA
| | - Crystal Pascual
- Department of Cardiovascular and Metabolic Sciences, Learner Research Institute, Cleveland Clinic, Cleveland, OH 44195, USA
| | - W.H. Wilson Tang
- Department of Cardiovascular and Metabolic Sciences, Learner Research Institute, Cleveland Clinic, Cleveland, OH 44195, USA
- Center for Microbiome & Human Health, Cleveland Clinic, Cleveland, OH 44195, USA
- Department of Cardiovascular Medicine, Hearth, Vascular and Thoracic Institute, Cleveland Clinic, Cleveland, OH 44195, USA
| | - Michael Tranter
- Department of Internal Medicine, University of Cincinnati College of Medicine, Cincinnati, OH 45267-0542, USA
- Division of Cardiovascular Health & Disease, University of Cincinnati College of Medicine, Cincinnati, OH 45267-0542, USA
- Pathobiology and Molecular Medicine Graduate Program, University of Cincinnati College of Medicine, Cincinnati, OH 45267-0542, USA
| | - Scott J. Cameron
- Department of Cardiovascular and Metabolic Sciences, Learner Research Institute, Cleveland Clinic, Cleveland, OH 44195, USA
- Department of Cardiovascular Medicine, Hearth, Vascular and Thoracic Institute, Cleveland Clinic, Cleveland, OH 44195, USA
| | - J. Mark Brown
- Department of Cardiovascular and Metabolic Sciences, Learner Research Institute, Cleveland Clinic, Cleveland, OH 44195, USA
- Center for Microbiome & Human Health, Cleveland Clinic, Cleveland, OH 44195, USA
| | - Stanley L. Hazen
- Department of Cardiovascular and Metabolic Sciences, Learner Research Institute, Cleveland Clinic, Cleveland, OH 44195, USA
- Center for Microbiome & Human Health, Cleveland Clinic, Cleveland, OH 44195, USA
- Department of Cardiovascular Medicine, Hearth, Vascular and Thoracic Institute, Cleveland Clinic, Cleveland, OH 44195, USA
| | - A. Phillip Owens
- Department of Internal Medicine, University of Cincinnati College of Medicine, Cincinnati, OH 45267-0542, USA
- Division of Cardiovascular Health & Disease, University of Cincinnati College of Medicine, Cincinnati, OH 45267-0542, USA
- Pathobiology and Molecular Medicine Graduate Program, University of Cincinnati College of Medicine, Cincinnati, OH 45267-0542, USA
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Tang Z, Hong G, Sun S, Wang L. Electrochemically Enabled Direct C3-Formylation of Imidazopyridines with Me 3 N as a Carbonyl Source. Chem Asian J 2023; 18:e202300001. [PMID: 36772840 DOI: 10.1002/asia.202300001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [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: 01/02/2023] [Revised: 02/09/2023] [Accepted: 02/10/2023] [Indexed: 02/12/2023]
Abstract
A metal-free and oxidant-free electrochemically enabled strategy for C-3 formylation of imidazopyridines using trimethylamine as a one-carbon source has been established. This conversion has high functional group compatibility under mild conditions and ensures late-stage functionalization of pharmaceutical molecules. Furthermore, unexpected hexafluoroisopropoxylation products have been observed in some cases. Mechanistic studies using cyclic voltammetry and control experiments reveal the key intermediate of the formylation process.
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Affiliation(s)
- Zhicong Tang
- Key Laboratory for Advanced Materials and Institute of Fine Chemicals, East China University of Science and Technology, 130 Meilong Road, 200237, Shanghai, P. R. China
| | - Gang Hong
- Key Laboratory for Advanced Materials and Institute of Fine Chemicals, East China University of Science and Technology, 130 Meilong Road, 200237, Shanghai, P. R. China
| | - Shiyun Sun
- Key Laboratory for Advanced Materials and Institute of Fine Chemicals, East China University of Science and Technology, 130 Meilong Road, 200237, Shanghai, P. R. China
| | - Limin Wang
- Key Laboratory for Advanced Materials and Institute of Fine Chemicals, East China University of Science and Technology, 130 Meilong Road, 200237, Shanghai, P. R. China
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18
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Banks M, Amirghasemi F, Mitchell E, Mousavi MPS. Home-Based Electrochemical Rapid Sensor (HERS): A Diagnostic Tool for Bacterial Vaginosis. Sensors (Basel) 2023; 23:1891. [PMID: 36850490 PMCID: PMC9964842 DOI: 10.3390/s23041891] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/04/2023] [Revised: 02/03/2023] [Accepted: 02/04/2023] [Indexed: 06/18/2023]
Abstract
Bacterial vaginosis (BV) is the most frequently occurring vaginal infection worldwide, yet it remains significantly underdiagnosed as a majority of patients are asymptomatic. Untreated BV poses a serious threat as it increases one's risk of STI acquisition, pregnancy complications, and infertility. We aim to minimize these risks by creating a low-cost disposable sensor for at-home BV diagnosis. A clinical diagnosis of BV is most commonly made according to the Amsel criteria. In this method, a fish-like odor, caused by increased levels of trimethylamine (TMA) in vaginal fluid, is used as a key diagnostic. This paper outlines the development of a Home-Based Electrochemical Rapid Sensor (HERS), capable of detecting TMA in simulated vaginal fluid (sVF). Instead of odor-based detection of volatilized TMA, we identify TMA in trimethylammonium form by utilizing HERS and a potentiometric readout. We fabricated the ion selective electrode using a carbon-black-coated cotton string and a TMA-selective membrane consisting of calix[4]arene and sodium tetrakis[3,5-bis(trifluoromethyl)phenyl]borate. When paired with a standard reference electrode, our device was able to quantify TMA concentration in deionized (DI) water, as well as sVF samples at multiple pH levels with a clinically relevant limit of detection (8.66 µM, and theoretically expected Nernstian slope of 55.14 mV/decade).
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Affiliation(s)
- Melissa Banks
- Alfred E. Mann Department of Biomedical Engineering, Viterbi School of Engineering, University of Southern California, Los Angeles, CA 90033, USA
| | - Farbod Amirghasemi
- Alfred E. Mann Department of Biomedical Engineering, Viterbi School of Engineering, University of Southern California, Los Angeles, CA 90033, USA
| | - Evelyn Mitchell
- Keck School of Medicine, University of Southern California, Los Angeles, CA 90033, USA
| | - Maral P. S. Mousavi
- Alfred E. Mann Department of Biomedical Engineering, Viterbi School of Engineering, University of Southern California, Los Angeles, CA 90033, USA
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19
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Jalandra R, Makharia GK, Sharma M, Kumar A. Inflammatory and deleterious role of gut microbiota-derived trimethylamine on colon cells. Front Immunol 2023; 13:1101429. [PMID: 36726978 PMCID: PMC9885123 DOI: 10.3389/fimmu.2022.1101429] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2022] [Accepted: 12/28/2022] [Indexed: 01/18/2023] Open
Abstract
Trimethylamine (TMA) is produced by the intestinal microbiota as a by-product of metabolism of dietary precursors. TMA has been implicated in various chronic health conditions. However, the effect of TMA in the colon and the underlying mechanism was not clear. In this study, TMA exhibited toxic effects in vitro as well as in vivo. TMA-induced oxidative stress causes DNA damage, and compromised cell membrane integrity leading to the release of LDH outside the cells which ultimately leads to cell death. Besides, TMA also exhibited pronounced increase in cell cycle arrest at G2/M phase in both HCT116 and HT29 cell lines. TMA was found to be genotoxic and cytotoxic as the TMA concentration increased from 0.15 mM. A decreased ATP intracellular content was observed after 24 h, 48 h, and 72 h treatment in a time and dose-dependent manner. For in vivo research, TMA (100 mM, i.p. and intra-rectal) once a week for 12 weeks caused significant changes in cellular morphology of colon and rectum epithelium as assessed by H & E staining. TMA also significantly increased the infiltration of inflammatory cells in the colon and rectal epithelium indicating the severity of inflammation. In addition, TMA caused extensive mucosal damage and distortion in the epithelium, decrease in length of small intestine compared to control mice. In conclusion, these results highlight the detrimental effects of TMA in the colon and rectal epithelium.
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Affiliation(s)
- Rekha Jalandra
- Gene Regulation Laboratory, National Institute of Immunology, New Delhi, India
- Department of Zoology, Maharshi Dayanand University, Rohtak, India
| | - Govind K. Makharia
- Department of Gastroenterology and Human Nutrition, All India Institute of Medical Sciences, New Delhi, India
| | - Minakshi Sharma
- Department of Zoology, Maharshi Dayanand University, Rohtak, India
| | - Anil Kumar
- Gene Regulation Laboratory, National Institute of Immunology, New Delhi, India
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20
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Tain YL, Chang-Chien GP, Lin S, Hou CY, Hsu CN. Iodomethylcholine Inhibits Trimethylamine-N-Oxide Production and Averts Maternal Chronic Kidney Disease-Programmed Offspring Hypertension. Int J Mol Sci 2023; 24. [PMID: 36674799 DOI: 10.3390/ijms24021284] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2022] [Revised: 01/04/2023] [Accepted: 01/06/2023] [Indexed: 01/11/2023] Open
Abstract
Chronic kidney disease (CKD) affects 10% of the global population, including pregnant women. Adverse maternal conditions determine the developmental programming of many diseases later in life. We previously demonstrated that adult rat offspring born to dams with CKD developed hypertension and renal hypertrophy. Trimethylamine-N-oxide (TMAO), a uremic toxin derived from the gut microbiota, has been linked to hypertension. This study assesses the effects of TMAO inhibition by iodomethylcholine (IMC) treatment on offspring hypertension programmed by maternal CKD. Female rats were fed either a control or a 0.5% adenine diet before conception, with or without IMC treatment during pregnancy and lactation. Maternal IMC treatment averted maternal CKD-primed offspring hypertension and renal hypertrophy in 12-week-old offspring. Offspring hypertension is associated with increases in the plasma TMAO concentration and oxidative stress and shifts in gut microbiota. The beneficial effects of IMC are related to a reduction in TMAO; increases in genera Acetatifactor, Bifidobacterium, and Eubacterium; and decreases in genera Phocacecola and Bacteroides. Our findings afford insights into the targeting of the gut microbiota to deplete TMAO production, with therapeutic potential for the prevention of offspring hypertension programmed by maternal CKD, although these results still need further clinical translation.
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21
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Liu Y, Qu J, Xu J, Gu A, Deng D, Jia X, Wang B. Trimethylamine-N-oxide: a potential biomarker and therapeutic target in ischemic stroke. Front Neurol 2023; 14:1156879. [PMID: 37153682 PMCID: PMC10160411 DOI: 10.3389/fneur.2023.1156879] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2023] [Accepted: 04/05/2023] [Indexed: 05/10/2023] Open
Abstract
Ischemic stroke is by far the most common cerebrovascular disease and a major burden to the global economy and public health. Trimethylamine-N-oxide (TMAO), a small molecule compound produced by the metabolism of intestinal microorganisms, is reportedly associated with the risk of stroke, as well as the severity and prognosis of stroke; however, this conclusion remains contentious. This article reviews the production of TMAO, TMAO's relationship with different etiological types of ischemic stroke, and the possibility of reducing TMAO levels to improve the prognosis of ischemic stroke.
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Affiliation(s)
- Yuan Liu
- Jiaxing University Master Degree Cultivation Base, Zhejiang Chinese Medical University, Jiaxing, China
| | - Juan Qu
- Department of Neurology, Affiliated Hospital of Jiaxing University, The First Hospital of Jiaxing, Jiaxing, China
| | - Junjie Xu
- Department of Neurology, Affiliated Hospital of Jiaxing University, The First Hospital of Jiaxing, Jiaxing, China
| | - Aiming Gu
- Department of Neurology, Affiliated Hospital of Jiaxing University, The First Hospital of Jiaxing, Jiaxing, China
| | - Dezhi Deng
- Department of Neurology, Affiliated Hospital of Jiaxing University, The First Hospital of Jiaxing, Jiaxing, China
| | - Xiaodan Jia
- Department of Neurology, Affiliated Hospital of Jiaxing University, The First Hospital of Jiaxing, Jiaxing, China
| | - Baoxiang Wang
- Department of Neurology, Affiliated Hospital of Jiaxing University, The First Hospital of Jiaxing, Jiaxing, China
- *Correspondence: Baoxiang Wang,
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22
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Lu M, Yang Y, Xu Y, Wang X, Li B, Le G, Xie Y. Dietary Methionine Restriction Alleviates Choline-Induced Tri-Methylamine-N-Oxide (TMAO) Elevation by Manipulating Gut Microbiota in Mice. Nutrients 2023; 15. [PMID: 36615863 DOI: 10.3390/nu15010206] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2022] [Revised: 12/14/2022] [Accepted: 12/29/2022] [Indexed: 01/04/2023] Open
Abstract
Dietary methionine restriction (MR) has been shown to decrease plasma trimethylamine-N-oxide (TMAO) levels in high-fat diet mice; however, the specific mechanism used is unknown. We speculated that the underlying mechanism is related with the gut microbiota, and this study aimed to confirm the hypothesis. In this study, we initially carried out an in vitro fermentation experiment and found that MR could reduce the ability of gut microbiota found in the contents of healthy mice and the feces of healthy humans to produce trimethylamine (TMA). Subsequently, mice were fed a normal diet (CON, 0.20% choline + 0.86% methionine), high-choline diet (H-CHO, 1.20% choline + 0.86% methionine), or high-choline + methionine-restricted diet (H-CHO+MR, 1.20% choline + 0.17% methionine) for 3 months. Our results revealed that MR decreased plasma TMA and TMAO levels in H-CHO-diet-fed mice without changing hepatic FMO3 gene expression and enzyme activity, significantly decreased TMA levels and expression of choline TMA-lyase (CutC) and its activator CutD, and decreased CutC activity in the intestine. Moreover, MR significantly decreased the abundance of TMA-producing bacteria, including Escherichia-Shigella (Proteobacteria phylum) and Anaerococcus (Firmicutes phylum), and significantly increased the abundance of short-chain fatty acid (SCFA)-producing bacteria and SCFA levels. Furthermore, both MR and sodium butyrate supplementation significantly inhibited bacterial growth, down-regulated CutC gene expression levels in TMA-producing bacteria, including Escherichia fergusonii ATCC 35469 and Anaerococcus hydrogenalis DSM 7454 and decreased TMA production from bacterial growth under in vitro anaerobic fermentation conditions. In conclusion, dietary MR alleviates choline-induced TMAO elevation by manipulating gut microbiota in mice and may be a promising approach to reducing circulating TMAO levels and TMAO-induced atherosclerosis.
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Qi G, Qu F, Zhang L, Chen S, Bai M, Hu M, Lv X, Zhang J, Wang Z, Chen W. Nanoporous Graphene Oxide-Based Quartz Crystal Microbalance Gas Sensor with Dual-Signal Responses for Trimethylamine Detection. Sensors (Basel) 2022; 22:9939. [PMID: 36560307 PMCID: PMC9785972 DOI: 10.3390/s22249939] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/21/2022] [Revised: 11/19/2022] [Accepted: 12/14/2022] [Indexed: 06/17/2023]
Abstract
This paper presents a straightforward method to develop a nanoporous graphene oxide (NGO)-functionalized quartz crystal microbalance (QCM) gas sensor for the detection of trimethylamine (TMA), aiming to form a reliable monitoring mechanism strategy for low-concentration TMA that can still cause serious odor nuisance. The synthesized NGO material was characterized by transmission electron microscopy, X-ray photoelectron spectroscopy, and Fourier transform infrared spectroscopy to verify its structure and morphology. Compared with the bare and GO-based QCM sensors, the NGO-based QCM sensor exhibited ultra-high sensitivity (65.23 Hz/μL), excellent linearity (R2 = 0.98), high response/recovery capability (3 s/20 s) and excellent repeatability (RSD = 0.02, n = 3) toward TMA with frequency shift and resistance. Furthermore, the selectivity of the proposed NGO-based sensor to TMA was verified by analysis of the dual-signal responses. It is also proved that increasing the conductivity did not improve the resistance signal. This work confirms that the proposed NGO-based sensor with dual signals provides a new avenue for TMA sensing, and the sensor is expected to become a potential candidate for gas detection.
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Affiliation(s)
- Guangyu Qi
- School of Agricultural Engineering and Food Science, Shandong University of Technology, Zibo 255049, China
| | - Fangfang Qu
- College of Mechanical and Electrical Engineering, Fujian Agriculture and Forestry University, Fuzhou 310002, China
| | - Lu Zhang
- School of Food and Health, Zhejiang A&F University, Hangzhou 311300, China
| | - Shihao Chen
- School of Agricultural Engineering and Food Science, Shandong University of Technology, Zibo 255049, China
| | - Mengyuan Bai
- School of Agricultural Engineering and Food Science, Shandong University of Technology, Zibo 255049, China
| | - Mengjiao Hu
- School of Agricultural Engineering and Food Science, Shandong University of Technology, Zibo 255049, China
| | - Xinyan Lv
- School of Agricultural Engineering and Food Science, Shandong University of Technology, Zibo 255049, China
| | - Jinglei Zhang
- School of Agricultural Engineering and Food Science, Shandong University of Technology, Zibo 255049, China
| | - Zhenhe Wang
- School of Agricultural Engineering and Food Science, Shandong University of Technology, Zibo 255049, China
| | - Wei Chen
- School of Agricultural Engineering and Food Science, Shandong University of Technology, Zibo 255049, China
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24
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Wang Z, Ma W, Wei J, Lan K, Yan S, Chen R, Qin G. Ultrasensitive Flexible Olfactory Receptor-Derived Peptide Sensor for Trimethylamine Detection by the Bending Connection Method. ACS Sens 2022; 7:3513-3520. [PMID: 36354739 DOI: 10.1021/acssensors.2c01893] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
Trimethylamine (TMA) is a harmful gas that exists ubiquitously in the environment; therefore, the sensitive and specific monitoring of TMA is necessary. In this work, we prepared ultrasensitive flexible sensors for TMA detection based on single-walled carbon nanotubes (SWCNTs) and olfactory receptor-derived peptides (ORPs) on low-cost plastic substrates. A novel bending connection method was developed by intentionally bending the interdigitated electrodes with SWCNTs to form a three-dimensional structure during the ORP-connection process, leading to the exposure of more modification sites. The method showed ∼4.7-fold more effective connection amount of the ORPs to SWCNTs compared to the conventional flat-condition connection method. The flexible ORP-SWCNT sensors could significantly improve the limit of detection for gaseous TMA from the reported lowest limit of 10 parts per quadrillion (ppq) to 0.1 ppq. The flexible ORP sensors also exhibited excellent sensitivity to vaporized TMA standards and TMA generated by different kinds of foods under different bending conditions. The results showed that the bending connection method in this work was effective for ultrasensitive flexible ORP sensors and their associated applications.
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Affiliation(s)
- Zhi Wang
- School of Microelectronics, Tianjin Key Laboratory of Imaging and Sensing Microelectronic Technology, Tianjin University, Tianjin 300072, P. R. China
| | - Weichao Ma
- College of Forestry, Northeast Forestry University, Harbin, Heilongjiang 150040, P. R. China
| | - Junqing Wei
- School of Microelectronics, Tianjin Key Laboratory of Imaging and Sensing Microelectronic Technology, Tianjin University, Tianjin 300072, P. R. China
| | - Kuibo Lan
- School of Microelectronics, Tianjin Key Laboratory of Imaging and Sensing Microelectronic Technology, Tianjin University, Tianjin 300072, P. R. China
| | - Shanchun Yan
- College of Forestry, Northeast Forestry University, Harbin, Heilongjiang 150040, P. R. China
| | - Ruibing Chen
- School of Pharmaceutical Science and Technology, Tianjin University, Tianjin 300072, P. R. China
| | - Guoxuan Qin
- School of Microelectronics, Tianjin Key Laboratory of Imaging and Sensing Microelectronic Technology, Tianjin University, Tianjin 300072, P. R. China
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25
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Piskol F, Neubauer K, Eggers M, Bode LM, Jasper J, Slusarenko A, Reijerse E, Lubitz W, Jahn D, Moser J. Two-component carnitine monooxygenase from Escherichia coli: Functional characterization, Inhibition and mutagenesis of the molecular interface. Biosci Rep 2022:BSR20221102. [PMID: 36066069 DOI: 10.1042/BSR20221102] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2022] [Revised: 08/16/2022] [Accepted: 09/06/2022] [Indexed: 11/23/2022] Open
Abstract
Gut microbial production of trimethylamine (TMA) from l-carnitine is directly linked to cardiovascular disease. TMA formation is facilitated by carnitine monooxygenase, which was proposed as a target for the development of new cardioprotective compounds. Therefore, the molecular understanding of the two-component Rieske-type enzyme from Escherichia coli was intended. The redox cofactors of the reductase YeaX (FMN, plant-type [2Fe-2S] cluster) and of the oxygenase YeaW (Rieske-type [2Fe-2S] and mononuclear [Fe] center) were identified. Compounds meldonium and the garlic-derived molecule allicin were recently shown to suppress microbiota-dependent TMA formation. Based on two independent carnitine monooxygenase activity assays, enzyme inhibition by meldonium or allicin was demonstrated. Subsequently, the molecular interplay of the reductase YeaX and the oxygenase YeaW was addressed. Chimeric carnitine monooxygenase activity was efficiently reconstituted by combining YeaX (or YeaW) with the orthologous oxygenase CntA (or reductase CntB) from Acinetobacter baumannii. Partial conservation of the reductase/oxygenase docking interface was concluded. A structure guided mutagenesis approach was used to further investigate the interaction and electron transfer between YeaX and YeaW. Based on AlphaFold structure predictions, a total of 28 site-directed variants of YeaX and YeaW were kinetically analyzed. Functional relevance of YeaX residues Arg271, Lys313 and Asp320 was concluded. Concerning YeaW, a docking surface centered around residues Arg83, Lys104 and Lys117 was hypothesized. The presented results might contribute to the development of TMA-lowering strategies that could reduce the risk for cardiovascular disease.
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26
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Li Y, Li Y, Shi J, Li Z, Wang X, Hu X, Gong Y, Zou X. A Novel Gas Sensor for Detecting Pork Freshness Based on PANI/AgNWs/Silk. Foods 2022; 11:2372. [PMID: 35954138 DOI: 10.3390/foods11152372] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2022] [Revised: 07/27/2022] [Accepted: 08/01/2022] [Indexed: 11/16/2022] Open
Abstract
A novel, operational, reliable, flexible gas sensor based on silk fibroin fibers (SFFs) as a substrate was proposed for detecting the freshness of pork. Silk is one of the earliest animal fibers utilized by humans, and SFFs exposed many biological micromolecules on the surface. Thus, the gas sensor was fabricated through polyaniline (PANI) and silver nanowires (AgNWs) and deposited on SFFs by in-suit polymerization. With trimethylamine (TMA) as a model gas, the sensing properties of the PANI/AgNWs/silk composites were examined at room temperature, and the linear correlativity was very prominent between these sensing measures and the TMA measures in the range of 3.33 μg/L-1200 μg/L. When the pork sample is detected by the sensor, it can be classified into fresh or stale pork with the total volatile basic nitrogen (TVB-N) as an index. The result indicated that the gas sensor was effective and showed great potential for applications to detect the freshness of pork.
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27
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Feng W, Liu J, Cheng H, Zhang D, Tan Y, Peng C. Dietary compounds in modulation of gut microbiota-derived metabolites. Front Nutr 2022; 9:939571. [PMID: 35928846 PMCID: PMC9343712 DOI: 10.3389/fnut.2022.939571] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [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: 05/09/2022] [Accepted: 06/24/2022] [Indexed: 11/29/2022] Open
Abstract
Gut microbiota, a group of microorganisms that live in the gastrointestinal tract, plays important roles in health and disease. One mechanism that gut microbiota in modulation of the functions of hosts is achieved through synthesizing and releasing a series of metabolites such as short-chain fatty acids. In recent years, increasing evidence has indicated that dietary compounds can interact with gut microbiota. On one hand, dietary compounds can modulate the composition and function of gut microbiota; on the other hand, gut microbiota can metabolize the dietary compounds. Although there are several reviews on gut microbiota and diets, there is no focused review on the effects of dietary compounds on gut microbiota-derived metabolites. In this review, we first briefly discussed the types of gut microbiota metabolites, their origins, and the reasons that dietary compounds can interact with gut microbiota. Then, focusing on gut microbiota-derived compounds, we discussed the effects of dietary compounds on gut microbiota-derived compounds and the following effects on health. Furthermore, we give our perspectives on the research direction of the related research fields. Understanding the roles of dietary compounds on gut microbiota-derived metabolites will expand our knowledge of how diets affect the host health and disease, thus eventually enable the personalized diets and nutrients.
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Affiliation(s)
- Wuwen Feng
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
- Key Laboratory of the Ministry of Education for Standardization of Chinese Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Juan Liu
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Hao Cheng
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
- Key Laboratory of the Ministry of Education for Standardization of Chinese Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Dandan Zhang
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
- Key Laboratory of the Ministry of Education for Standardization of Chinese Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Yuzhu Tan
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Cheng Peng
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
- Key Laboratory of the Ministry of Education for Standardization of Chinese Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu, China
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28
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Li X, Jin L, Ni A, Zhang L, He L, Gao H, Lin P, Zhang K, Chu X, Wang S. Tough and Antifreezing MXene@Au Hydrogel for Low-Temperature Trimethylamine Gas Sensing. ACS Appl Mater Interfaces 2022; 14:30182-30191. [PMID: 35731700 DOI: 10.1021/acsami.2c06749] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Trimethylamine (TMA) is one of the important chemical indexes to judge the freshness of marine fish. It is necessary to develop a low temperature TMA sensor to help the monitoring and prediction of the quality of marine fish in cold chain. Herein, a flexible low temperature TMA gas sensor featuring antifreezing and superior mechanical properties was developed based on the Au nanoparticle-modified MXene (MXene@Au) composite. MXene@Au was synthesized and then polymerized with a hydrogel composed of acrylamide (AM), N,N'-methylenebisacrylamide (BIS), sodium carboxymethyl cellulose (CMC), and EG, and the resultant MXene@Au hydrogel was found to exhibit excellent antifreezing performance even at extremely low temperature as well as high tensile strength, ultrastretchability, and toughness, which enabled an efficient gas sensing platform for TMA detection at low temperature. The TMA sensing properties of the flexible MXene@Au DN hydrogel sensor at 25 °C and a low temperature of 0 °C were studied, and a linear relationship between TMA sensitivity and concentration was built. The excellent sensing properties were maintained even under deformation. The application of the MXene@Au DN hydrogel sensor in detection of fish freshness at 0 °C was investigated. The result indicated the potential application of the flexible MXene@Au DN hydrogel gas sensor in dynamic quality monitoring and prediction of marine fish products during its transportation and storage in the cold chain.
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Affiliation(s)
- Xuhan Li
- School of Chemistry and Chemical Engineering, Anhui University of Technology, Ma'anshan, Anhui 243032, China
| | - Ling Jin
- School of Chemistry and Chemical Engineering, Anhui University of Technology, Ma'anshan, Anhui 243032, China
| | - Anqi Ni
- School of Chemistry and Chemical Engineering, Anhui University of Technology, Ma'anshan, Anhui 243032, China
| | - Liqiang Zhang
- School of Metallurgy, Anhui University of Technology, Ma'anshan, Anhui 243032, China
| | - Lifang He
- School of Chemistry and Chemical Engineering, Anhui University of Technology, Ma'anshan, Anhui 243032, China
| | - Hong Gao
- School of Chemistry and Chemical Engineering, Anhui University of Technology, Ma'anshan, Anhui 243032, China
| | - Peng Lin
- School of Chemistry and Chemical Engineering, Anhui University of Technology, Ma'anshan, Anhui 243032, China
| | - Kui Zhang
- School of Chemistry and Chemical Engineering, Anhui University of Technology, Ma'anshan, Anhui 243032, China
| | - Xiangfeng Chu
- School of Chemistry and Chemical Engineering, Anhui University of Technology, Ma'anshan, Anhui 243032, China
| | - Suhua Wang
- College of Environmental Science and Engineering, Guangdong University of Petrochemical Technology, Maoming, Guangdong 525000, China
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29
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Mukojima K, Yoshii M, Tone A, Mabuchi R, Furuta A, Tanimoto S. Effect of storage after heating on odor of muscles of yellowtail (Seriola quinqueradiata). Biosci Biotechnol Biochem 2022; 86:902-915. [PMID: 35481592 DOI: 10.1093/bbb/zbac059] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [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: 02/15/2022] [Accepted: 04/18/2022] [Indexed: 11/12/2022]
Abstract
Effects of storage after heating on the odor of yellowtail Seriola quinqueradiata muscle were investigated. Sensory evaluation demonstrated odor degradation during storage of ordinary muscle as well as dark muscle (DM). First, different volatile profiles between OM (dorsal and ventral) and DM were found; their profiles were also different between non-stored samples (raw samples and just-heated samples) and stored samples except for a part of stored OM. Although the dorsal and ventral OMs differed in lipid content, their volatile profiles were similar to each other. The aforementioned differences were due to increased levels of lipid oxidation compounds (eg, aldehydes and alcohols) during storage after heating. However, none of the muscle parts showed significant changes in the intensity of each odor perceived by gas chromatography-olfactometry and trimethyl amine during storage. These findings suggested multiple volatile components may contribute to the odor deterioration of heated yellowtail muscle during cold storage.
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Affiliation(s)
- Kaori Mukojima
- Faculty of Health and Nutrition, Hijiyama University, Hiroshima, Japan.,Graduate School of Comprehensive Scientific Research, Prefectural University of Hiroshima, Hiroshima, Japan
| | - Minami Yoshii
- Graduate School of Comprehensive Scientific Research, Prefectural University of Hiroshima, Hiroshima, Japan
| | - Aki Tone
- Faculty of Human Culture and Science, Prefectural University of Hiroshima, Hiroshima, Japan
| | - Ryota Mabuchi
- Faculty of Bioresource Sciences, Prefectural University of Hiroshima, Shobara, Japan
| | - Ayumi Furuta
- Faculty of Regional Development, Prefectural University of Hiroshima, Hiroshima, Japan
| | - Shota Tanimoto
- Faculty of Regional Development, Prefectural University of Hiroshima, Hiroshima, Japan
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30
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Zhu X, Chang X, Tang S, Chen X, Gao W, Niu S, Li J, Jiang Y, Sun S. Humidity-Tolerant Chemiresistive Gas Sensors Based on Hydrophobic CeO 2/SnO 2 Heterostructure Films. ACS Appl Mater Interfaces 2022; 14:25680-25692. [PMID: 35605189 DOI: 10.1021/acsami.2c03575] [Citation(s) in RCA: 3] [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] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
The accelerated evolution of the Internet of Things has brought new challenges to the gas sensors, which are required to work persistently under harsh conditions, like high humidity. However, currently, it is quite challenging to solve the hindrance of the trade-off between gas-sensing performance and anti-humidity ability of the chemiresistive gas sensors. Herein, hydrophobic inorganic CeO2/SnO2 heterostructure films were prepared by depositing the CeO2 layers with a thickness of a few nanometers onto the SnO2 film via a magnetron sputtering method. The sensors based on the CeO2/SnO2 heterostructure films demonstrated excellent gas-sensing performance toward trimethylamine (TEA) with high response, wide detection range (0.04-500 ppm), low record detection limit (0.04 ppm), ideal reproducibility, and long-term stability, while concurrently possessing promising anti-humidity ability. A portable, wireless TEA-sensing system containing the CeO2/SnO2 sensor was constructed to realize the real-time monitoring of trace concentration of the volatiles released from a fish. This work provides a novel strategy to prepare advanced chemiresistive gas sensors for humidity-independent detection of harmful gases and vapors and will accelerate their commercialization process in the field of food safety and public health.
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Affiliation(s)
- Xiaojie Zhu
- Institute of Marine Materials Science and Engineering, College of Ocean Science and Engineering, Shanghai Maritime University, Shanghai 201306, China
| | - Xueting Chang
- Institute of Marine Materials Science and Engineering, College of Ocean Science and Engineering, Shanghai Maritime University, Shanghai 201306, China
| | - Sikai Tang
- Institute of Marine Materials Science and Engineering, College of Ocean Science and Engineering, Shanghai Maritime University, Shanghai 201306, China
| | - Xiaoqiu Chen
- Institute of Marine Materials Science and Engineering, College of Ocean Science and Engineering, Shanghai Maritime University, Shanghai 201306, China
| | - Weixiang Gao
- College of Logistics Engineering, Shanghai Maritime University, Shanghai 201306, China
| | - Shicong Niu
- Institute of Marine Materials Science and Engineering, College of Ocean Science and Engineering, Shanghai Maritime University, Shanghai 201306, China
| | - Junfeng Li
- College of Logistics Engineering, Shanghai Maritime University, Shanghai 201306, China
| | - Yingchang Jiang
- Institute of Marine Materials Science and Engineering, College of Ocean Science and Engineering, Shanghai Maritime University, Shanghai 201306, China
| | - Shibin Sun
- College of Logistics Engineering, Shanghai Maritime University, Shanghai 201306, China
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31
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Chen D, Yao X, Chan CK, Tian X, Chu Y, Clegg SL, Shen Y, Gao Y, Gao H. Competitive Uptake of Dimethylamine and Trimethylamine against Ammonia on Acidic Particles in Marine Atmospheres. Environ Sci Technol 2022; 56:5430-5439. [PMID: 35435670 DOI: 10.1021/acs.est.1c08713] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Alkaline gases such as NH3 and amines play important roles in neutralizing acidic particles in the atmosphere. Here, two common gaseous amines (dimethylamine (DMA) and trimethylamine (TMA)), NH3, and their corresponding ions in PM2.5 were measured semicontinuously using an ambient ion monitor-ion chromatography (AIM-IC) system in marine air during a round-trip cruise of approximately 4000 km along the coastline of eastern China. The concentrations of particulate DMA, detected as DMAH+, varied from <4 to 100 ng m-3 and generally decreased with increasing atmospheric NH3 concentrations. Combining observations with thermodynamic equilibrium calculations using the extended aerosol inorganics model (E-AIM) indicated that the competitive uptake of DMA against NH3 on acidic aerosols generally followed thermodynamic equilibria and appeared to be sensitive to DMA/NH3 molar ratios, resulting in molar ratios of DMAH+ to DMA + DMAH+ of 0.31 ± 0.16 (average ± standard deviation) at atmospheric NH3 concentrations over 1.8 μg m-3 (with a corresponding DMA/NH3 ratio of (1.8 ± 1.0) × 10-3), 0.80 ± 0.15 at atmospheric NH3 concentrations below 0.3 μg m-3 (with a corresponding DMA/NH3 ratio of (1.3 ± 0.6) × 10-2), and 0.56 ± 0.19 in the remaining cases. Particulate TMA concentrations, detected as TMAH+, ranged from <2 to 21 ng m-3 and decreased with increasing concentrations of atmospheric NH3. However, TMAH+ was depleted concurrently with the formation of NH4NO3 under low concentrations of atmospheric NH3, contradictory to the calculated increase in the equilibrated concentration of TMAH+ by the E-AIM.
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Affiliation(s)
- Dihui Chen
- Key Laboratory of Marine Environment and Ecology (MoE), and Frontiers Science Center for Deep Ocean Multispheres and Earth System, Ministry of Education, Ocean University of China, Qingdao 266100, China
| | - Xiaohong Yao
- Key Laboratory of Marine Environment and Ecology (MoE), and Frontiers Science Center for Deep Ocean Multispheres and Earth System, Ministry of Education, Ocean University of China, Qingdao 266100, China
- Laboratory for Marine Ecology and Environmental Sciences, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266237, China
| | - Chak Keung Chan
- School of Energy and Environment, City University of Hong Kong, Hong Kong 999077, China
| | - Xiaomeng Tian
- School of Energy and Environment, City University of Hong Kong, Hong Kong 999077, China
| | - Yangxi Chu
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing 100012, China
| | - Simon Leslie Clegg
- School of Environmental Sciences, University of East Anglia, Norwich NR4 7TJ, U.K
| | - Yanjie Shen
- Key Laboratory of Marine Environment and Ecology (MoE), and Frontiers Science Center for Deep Ocean Multispheres and Earth System, Ministry of Education, Ocean University of China, Qingdao 266100, China
| | - Yang Gao
- Key Laboratory of Marine Environment and Ecology (MoE), and Frontiers Science Center for Deep Ocean Multispheres and Earth System, Ministry of Education, Ocean University of China, Qingdao 266100, China
- Laboratory for Marine Ecology and Environmental Sciences, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266237, China
| | - Huiwang Gao
- Key Laboratory of Marine Environment and Ecology (MoE), and Frontiers Science Center for Deep Ocean Multispheres and Earth System, Ministry of Education, Ocean University of China, Qingdao 266100, China
- Laboratory for Marine Ecology and Environmental Sciences, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266237, China
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32
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Zhao S, Xu M, Liu R, Xue Y, Nie J, Chang Y. NIR-II Fluorescent Probe for Detecting Trimethylamine Based on Intermolecular Charge Transfer. Chemistry 2022; 28:e202200113. [PMID: 35324048 DOI: 10.1002/chem.202200113] [Citation(s) in RCA: 1] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2022] [Indexed: 12/28/2022]
Abstract
A new kind of small organic NIR-II fluorophore molecule (ZS-1010) based on intermolecular charge transfer was developed as a NIR-II fluorescent probe for trimethylamine (TMA) detection, which is important for the diagnosis of cardiovascular disease, chronic kidney disease and diabetes. ZS-1010 has a strong push-pull electron system composed of electron donor unit and electron acceptor unit, exhibiting strong absorption and emission in the NIR-II region. When mixed with TMA which possesses strong electron-donating characteristics, the push-pull system of ZS-1010 will be affected along with the dipole moment change, leading to the quenching of fluorescence. This is the first example of TMA fluorescent probe in the NIR-II window showing deep penetration, fast response speed, high selectivity and pH stability.
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Affiliation(s)
- Shuai Zhao
- Beijing Laboratory of Biomedical Materials, State Key Laboratory of Chemical Resource Engineering, Changzhou Institute of Advanced Materials, Beijing University of Chemical Technology, 100029, Beijing, P. R. China
| | - Manman Xu
- Department of Oncology, Guang' anmen Hospital, China Academy of Chinese Medical Sciences, 100053, Beijing, P. R. China
| | - Ruixin Liu
- Beijing Laboratory of Biomedical Materials, State Key Laboratory of Chemical Resource Engineering, Changzhou Institute of Advanced Materials, Beijing University of Chemical Technology, 100029, Beijing, P. R. China
| | - Yonggan Xue
- Department of General Surgery, Chinese PLA General Hospital, 100053, Beijing, P. R. China
| | - Jun Nie
- Beijing Laboratory of Biomedical Materials, State Key Laboratory of Chemical Resource Engineering, Changzhou Institute of Advanced Materials, Beijing University of Chemical Technology, 100029, Beijing, P. R. China
| | - Yincheng Chang
- Beijing Laboratory of Biomedical Materials, State Key Laboratory of Chemical Resource Engineering, Changzhou Institute of Advanced Materials, Beijing University of Chemical Technology, 100029, Beijing, P. R. China
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Gąsecka A, Rzepa Ł, Konwerski M, Zawadzka M, Wysocki K, Budnik M, Czub P, Wilimski R, Wondołkowski M, Wilczyńska-Burlikowska J, Scisło P, Konop M, Huczek Z, Kochman J, Kochanowski J, Opolski G, Filipiak KJ, Ufnal M, Kapłon-CIeślicka A. Trimethylamine-N-oxide (TMAO) versus echocardiographic, biochemical and histopathological indices of heart failure in patients with severe aortic stenosis: Rationale and design of the prospective, observational TASTE study. Cardiol J 2022; 29:691-697. [PMID: 35470417 PMCID: PMC9273242 DOI: 10.5603/cj.a2022.0023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2021] [Revised: 02/17/2022] [Accepted: 03/16/2022] [Indexed: 11/25/2022] Open
Affiliation(s)
- Aleksandra Gąsecka
- 1st Chair and Department of Cardiology, Medical University of Warsaw, Poland.,Laboratory of Experimental Clinical Chemistry, Academic Medical Center, Amsterdam University Medical Centers, The Netherlands
| | - Łukasz Rzepa
- 1st Chair and Department of Cardiology, Medical University of Warsaw, Poland
| | - Michał Konwerski
- 1st Chair and Department of Cardiology, Medical University of Warsaw, Poland
| | - Magdalena Zawadzka
- 1st Chair and Department of Cardiology, Medical University of Warsaw, Poland
| | - Karol Wysocki
- 1st Chair and Department of Cardiology, Medical University of Warsaw, Poland
| | - Monika Budnik
- 1st Chair and Department of Cardiology, Medical University of Warsaw, Poland
| | - Paweł Czub
- Department of Cardiac Surgery, Medical University of Warsaw, Poland
| | | | | | | | - Piotr Scisło
- 1st Chair and Department of Cardiology, Medical University of Warsaw, Poland
| | - Marek Konop
- Department of Experimental Physiology and Pathophysiology, Laboratory of Center for Preclinical Research, Medical University of Warsaw, Poland
| | - Zenon Huczek
- 1st Chair and Department of Cardiology, Medical University of Warsaw, Poland
| | - Janusz Kochman
- 1st Chair and Department of Cardiology, Medical University of Warsaw, Poland
| | - Janusz Kochanowski
- 1st Chair and Department of Cardiology, Medical University of Warsaw, Poland
| | - Grzegorz Opolski
- 1st Chair and Department of Cardiology, Medical University of Warsaw, Poland
| | | | - Marcin Ufnal
- Department of Experimental Physiology and Pathophysiology, Laboratory of Center for Preclinical Research, Medical University of Warsaw, Poland
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Wang Q, Guo M, Liu Y, Xu M, Shi L, Li X, Zhao J, Zhang H, Wang G, Chen W. Bifidobacterium breve and Bifidobacterium longum Attenuate Choline-Induced Plasma Trimethylamine N-Oxide Production by Modulating Gut Microbiota in Mice. Nutrients 2022; 14:nu14061222. [PMID: 35334879 PMCID: PMC8950610 DOI: 10.3390/nu14061222] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2021] [Revised: 03/07/2022] [Accepted: 03/10/2022] [Indexed: 12/13/2022] Open
Abstract
Atherosclerosis is the main cause of myocardial infarction and stroke, and the morbidity and mortality rates of cardiovascular disease are among the highest of any disease worldwide. Excessive plasma trimethylamine-N-oxide (TMAO), an intestinal metabolite, promotes the development of atherosclerosis. Therefore, effective measures for reducing plasma TMAO production can contribute to preventing atherosclerosis. Probiotics are living microorganisms that are beneficial to the human body, and some of them can attenuate plasma TMAO production. To explore the effects of probiotic supplementation on plasma TMAO in choline-fed mice, we intragastrically administered eight strains of Bifidobacterium breve and eight strains of Bifidobacterium longum to mice for 6 weeks. B. breve Bb4 and B. longum BL1 and BL7 significantly reduced plasma TMAO and plasma and cecal trimethylamine concentrations. However, hepatic flavin monooxygenase (FMO) activity, flavin-containing monooxygenase 3 (FMO3), farnesoid X receptor (FXR) protein expression and TMAO fractional excretion were not significantly affected by Bifidobacterium supplementation. The treatment of Bifidobacterium strains modulated the abundances of several genera such as Ruminococcaceae UCG-009, Ruminococcaceae UCG-010, which belong to the Firmicutes that has been reported with cut gene clusters, which may be related to the reduction in intestinal TMA and plasma TMAO. Additionally, a reduction in Ruminococcaceae indicates a reduction in circulating glucose and lipids, which may be another pathway by which Bifidobacterium strains reduce the risk of atherosclerosis. The effect of Bifidobacterium strains on Bacteroides also suggests a relationship between the abundance of this genus and TMA concentrations in the gut. Therefore, the mechanism underlying these changes might be gut microbiota regulation. These Bifidobacterium strains may have therapeutic potential for alleviating TMAO-related diseases.
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Affiliation(s)
- Qianqian Wang
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi 214122, China
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Min Guo
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi 214122, China
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Yang Liu
- KLATASDS-MOE, School of Statistics, East China Normal University, Shanghai 200062, China
| | - Mengshu Xu
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi 214122, China
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Liuting Shi
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi 214122, China
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Xiu Li
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi 214122, China
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Jianxin Zhao
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi 214122, China
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
- (Yangzhou) Institute of Food Biotechnology, Jiangnan University, Yangzhou 225004, China
| | - Hao Zhang
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi 214122, China
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
- (Yangzhou) Institute of Food Biotechnology, Jiangnan University, Yangzhou 225004, China
- National Engineering Research Center for Functional Food, Jiangnan University, Wuxi 214122, China
- Wuxi Translational Medicine Research Center, Jiangsu Translational Medicine Research Institute Wuxi Branch, Wuxi 214122, China
| | - Gang Wang
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi 214122, China
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
- (Yangzhou) Institute of Food Biotechnology, Jiangnan University, Yangzhou 225004, China
| | - Wei Chen
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi 214122, China
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
- National Engineering Research Center for Functional Food, Jiangnan University, Wuxi 214122, China
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35
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Abstract
Trimethylamine (TMA) and its N-oxide (TMAO) are ubiquitous in prokaryote and eukaryote organisms as well as in the environment, reflecting their fundamental importance in evolutionary biology, and their diverse biochemical functions. Both metabolites have multiple biological roles including cell-signaling. Much attention has focused on the significance of serum and urinary TMAO in cardiovascular disease risk, yet this is only one of the many facets of a deeper TMA-TMAO partnership that reflects the significance of these metabolites in multiple biological processes spanning animals, plants, bacteria, and fungi. We report on analytical methods for measuring TMA and TMAO and attempt to critically synthesize and map the global functions of TMA and TMAO in a systems biology framework.
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Affiliation(s)
- Ruey Leng Loo
- Centre for Computational and Systems Medicine, Health Futures Institute, Murdoch University, 5 Robin Warren Drive, Perth, Western Australia 6150, Australia.,The Australian National Phenome Centre, Health Futures Institute, Murdoch University, 5 Robin Warren Drive, Perth, Western Australia 6150, Australia
| | - Queenie Chan
- Department of Epidemiology and Biostatistics, School of Public Health, Imperial College London, London W2 1PG, United Kingdom.,MRC Centre for Environment and Health, School of Public Health, Imperial College London, London W2 1PG, United Kingdom
| | - Jeremy K Nicholson
- Centre for Computational and Systems Medicine, Health Futures Institute, Murdoch University, 5 Robin Warren Drive, Perth, Western Australia 6150, Australia.,The Australian National Phenome Centre, Health Futures Institute, Murdoch University, 5 Robin Warren Drive, Perth, Western Australia 6150, Australia.,Institute of Global Health Innovation, Imperial College London, Level 1, Faculty Building, South Kensington Campus, London SW7 2NA, United Kingdom
| | - Elaine Holmes
- Centre for Computational and Systems Medicine, Health Futures Institute, Murdoch University, 5 Robin Warren Drive, Perth, Western Australia 6150, Australia.,The Australian National Phenome Centre, Health Futures Institute, Murdoch University, 5 Robin Warren Drive, Perth, Western Australia 6150, Australia.,Nutrition Research, Department of Metabolism, Nutrition and Reproduction, Faculty of Medicine, Imperial College London, Sir Alexander Fleming Building, London SW7 2AZ, United Kingdom
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36
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Abstract
Besides damaging the brain, stroke causes systemic changes, including to the gastrointestinal system. A growing body of evidence supports the role of the gut and its microbiota in stroke, stroke prognosis, and recovery. The gut microbiota can increase the risk of a cerebrovascular event, playing a role in the onset of stroke. Conversely, stroke can induce dysbiosis of the gut microbiota and epithelial barrier integrity. This has been proposed as a contributor to systemic infections. In this review, we describe the role of the gut microbiota, microbiome and microbiota-derived metabolites in experimental and clinical stroke, and their potential use as therapeutic targets. Fourteen clinical studies have identified 62 upregulated (eg, Streptococcus, Lactobacillus, Escherichia) and 29 downregulated microbial taxa (eg, Eubacterium, Roseburia) between stroke and healthy participants. The majority found that stroke patients have reduced gut microbiome diversity. However, other nonbacterial microorganisms are yet to be studied. In experimental stroke, severity is dependent on gut microbiome composition, whereas the latter can greatly change with antibiotics, age, and diet. Consumption of foods rich in choline and L-carnitine are positively associated with stroke onset via production of trimethylamine N-oxide in experimental and clinical stroke. Conversely, in mice, consumption of dietary fiber improves stroke outcome, likely via gut microbiota-derived metabolites called short-chain fatty acids, such as acetate, propionate, and butyrate. The majority of the evidence, however, comes from experimental studies. Clinical interventions targeted at gut microbiota-derived metabolites as new therapeutic opportunities for stroke prevention and treatment are warranted.
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Affiliation(s)
- Alex Peh
- Hypertension Research Laboratory, School of Biological Sciences, Monash University, Melbourne, Australia (A.P., J.A.O., F.Z.M.).,Cardiovascular & Pulmonary Pharmacology Group, Department of Pharmacology, Monash University, Melbourne, Australia (A.P., B.R.S.B.)
| | - Joanne A O'Donnell
- Hypertension Research Laboratory, School of Biological Sciences, Monash University, Melbourne, Australia (A.P., J.A.O., F.Z.M.)
| | - Brad R S Broughton
- Cardiovascular & Pulmonary Pharmacology Group, Department of Pharmacology, Monash University, Melbourne, Australia (A.P., B.R.S.B.)
| | - Francine Z Marques
- Hypertension Research Laboratory, School of Biological Sciences, Monash University, Melbourne, Australia (A.P., J.A.O., F.Z.M.).,Heart Failure Research Group, Baker Heart and Diabetes Institute, Melbourne, Australia (F.Z.M.)
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37
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Wang Z, Hazen J, Jia X, Org E, Zhao Y, Osborn LJ, Nimer N, Buffa J, Culley MK, Krajcik D, van den Born BJH, Zwinderman K, Levison BS, Nieuwdorp M, Lusis AJ, DiDonato JA, Hazen SL. The Nutritional Supplement L-Alpha Glycerylphosphorylcholine Promotes Atherosclerosis. Int J Mol Sci 2021; 22:13477. [PMID: 34948275 PMCID: PMC8708068 DOI: 10.3390/ijms222413477] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2021] [Revised: 12/09/2021] [Accepted: 12/13/2021] [Indexed: 01/14/2023] Open
Abstract
L-alpha glycerylphosphorylcholine (GPC), a nutritional supplement, has been demonstrated to improve neurological function. However, a new study suggests that GPC supplementation increases incident stroke risk thus its potential adverse effects warrant further investigation. Here we show that GPC promotes atherosclerosis in hyperlipidemic Apoe-/- mice. GPC can be metabolized to trimethylamine N-oxide, a pro-atherogenic agent, suggesting a potential molecular mechanism underlying the observed atherosclerosis progression. GPC supplementation shifted the gut microbial community structure, characterized by increased abundance of Parabacteroides, Ruminococcus, and Bacteroides and decreased abundance of Akkermansia, Lactobacillus, and Roseburia, as determined by 16S rRNA gene sequencing. These data are consistent with a reduction in fecal and cecal short chain fatty acids in GPC-fed mice. Additionally, we found that GPC supplementation led to an increased relative abundance of choline trimethylamine lyase (cutC)-encoding bacteria via qPCR. Interrogation of host inflammatory signaling showed that GPC supplementation increased expression of the proinflammatory effectors CXCL13 and TIMP-1 and activated NF-κB and MAPK signaling pathways in human coronary artery endothelial cells. Finally, targeted and untargeted metabolomic analysis of murine plasma revealed additional metabolites associated with GPC supplementation and atherosclerosis. In summary, our results show GPC promotes atherosclerosis through multiple mechanisms and that caution should be applied when using GPC as a nutritional supplement.
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Affiliation(s)
- Zeneng Wang
- Department of Cardiovascular and Metabolic Sciences, Lerner Research Institute, Cleveland Clinic, Cleveland, OH 44195, USA; (J.H.); (X.J.); (Y.Z.); (L.J.O.); (N.N.); (J.B.); (M.K.C.); (D.K.); (J.A.D.); (S.L.H.)
- Department of Molecular Medicine, Cleveland Clinic Lerner College of Medicine of Case Western Reserve University, Cleveland, OH 44195, USA
| | - Jennie Hazen
- Department of Cardiovascular and Metabolic Sciences, Lerner Research Institute, Cleveland Clinic, Cleveland, OH 44195, USA; (J.H.); (X.J.); (Y.Z.); (L.J.O.); (N.N.); (J.B.); (M.K.C.); (D.K.); (J.A.D.); (S.L.H.)
| | - Xun Jia
- Department of Cardiovascular and Metabolic Sciences, Lerner Research Institute, Cleveland Clinic, Cleveland, OH 44195, USA; (J.H.); (X.J.); (Y.Z.); (L.J.O.); (N.N.); (J.B.); (M.K.C.); (D.K.); (J.A.D.); (S.L.H.)
| | - Elin Org
- Estonian Genome Centre, Institute of Genomics, University of Tartu, 51010 Tartu, Estonia;
| | - Yongzhong Zhao
- Department of Cardiovascular and Metabolic Sciences, Lerner Research Institute, Cleveland Clinic, Cleveland, OH 44195, USA; (J.H.); (X.J.); (Y.Z.); (L.J.O.); (N.N.); (J.B.); (M.K.C.); (D.K.); (J.A.D.); (S.L.H.)
| | - Lucas J. Osborn
- Department of Cardiovascular and Metabolic Sciences, Lerner Research Institute, Cleveland Clinic, Cleveland, OH 44195, USA; (J.H.); (X.J.); (Y.Z.); (L.J.O.); (N.N.); (J.B.); (M.K.C.); (D.K.); (J.A.D.); (S.L.H.)
- Department of Molecular Medicine, Cleveland Clinic Lerner College of Medicine of Case Western Reserve University, Cleveland, OH 44195, USA
| | - Nisreen Nimer
- Department of Cardiovascular and Metabolic Sciences, Lerner Research Institute, Cleveland Clinic, Cleveland, OH 44195, USA; (J.H.); (X.J.); (Y.Z.); (L.J.O.); (N.N.); (J.B.); (M.K.C.); (D.K.); (J.A.D.); (S.L.H.)
| | - Jennifer Buffa
- Department of Cardiovascular and Metabolic Sciences, Lerner Research Institute, Cleveland Clinic, Cleveland, OH 44195, USA; (J.H.); (X.J.); (Y.Z.); (L.J.O.); (N.N.); (J.B.); (M.K.C.); (D.K.); (J.A.D.); (S.L.H.)
| | - Miranda K. Culley
- Department of Cardiovascular and Metabolic Sciences, Lerner Research Institute, Cleveland Clinic, Cleveland, OH 44195, USA; (J.H.); (X.J.); (Y.Z.); (L.J.O.); (N.N.); (J.B.); (M.K.C.); (D.K.); (J.A.D.); (S.L.H.)
| | - Daniel Krajcik
- Department of Cardiovascular and Metabolic Sciences, Lerner Research Institute, Cleveland Clinic, Cleveland, OH 44195, USA; (J.H.); (X.J.); (Y.Z.); (L.J.O.); (N.N.); (J.B.); (M.K.C.); (D.K.); (J.A.D.); (S.L.H.)
| | - Bert-Jan H. van den Born
- Department of Vascular Medicine, Academic Medical Center, University of Amsterdam, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands; (B.-J.H.v.d.B.); (K.Z.); (M.N.)
| | - Koos Zwinderman
- Department of Vascular Medicine, Academic Medical Center, University of Amsterdam, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands; (B.-J.H.v.d.B.); (K.Z.); (M.N.)
| | - Bruce S. Levison
- Department of Cardiovascular and Metabolic Sciences, Lerner Research Institute, Cleveland Clinic, Cleveland, OH 44195, USA; (J.H.); (X.J.); (Y.Z.); (L.J.O.); (N.N.); (J.B.); (M.K.C.); (D.K.); (J.A.D.); (S.L.H.)
| | - Max Nieuwdorp
- Department of Vascular Medicine, Academic Medical Center, University of Amsterdam, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands; (B.-J.H.v.d.B.); (K.Z.); (M.N.)
| | - Aldons J. Lusis
- Department of Medicine, Division of Cardiology, University of California, Los Angeles, CA 90095, USA;
| | - Joseph A. DiDonato
- Department of Cardiovascular and Metabolic Sciences, Lerner Research Institute, Cleveland Clinic, Cleveland, OH 44195, USA; (J.H.); (X.J.); (Y.Z.); (L.J.O.); (N.N.); (J.B.); (M.K.C.); (D.K.); (J.A.D.); (S.L.H.)
- Department of Molecular Medicine, Cleveland Clinic Lerner College of Medicine of Case Western Reserve University, Cleveland, OH 44195, USA
| | - Stanley L. Hazen
- Department of Cardiovascular and Metabolic Sciences, Lerner Research Institute, Cleveland Clinic, Cleveland, OH 44195, USA; (J.H.); (X.J.); (Y.Z.); (L.J.O.); (N.N.); (J.B.); (M.K.C.); (D.K.); (J.A.D.); (S.L.H.)
- Department of Molecular Medicine, Cleveland Clinic Lerner College of Medicine of Case Western Reserve University, Cleveland, OH 44195, USA
- Department of Cardiovascular Medicine, Heart, Vascular and Thoracic Institute, Cleveland Clinic, Cleveland, OH 44195, USA
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Shen J, Xu S, Zhao C, Qiao X, Liu H, Zhao Y, Wei J, Zhu Y. Bimetallic Au@Pt Nanocrystal Sensitization Mesoporous α-Fe 2O 3 Hollow Nanocubes for Highly Sensitive and Rapid Detection of Fish Freshness at Low Temperature. ACS Appl Mater Interfaces 2021; 13:57597-57608. [PMID: 34814684 DOI: 10.1021/acsami.1c17695] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
In this work, we present a new metal oxide semiconductor gas sensor for detecting trimethylamine (TMA) by bimetal Au@Pt-modified α-Fe2O3 hollow nanocubes (NCs) as sensing materials. The structure and morphological characteristics of Au@Pt/α-Fe2O3 were evaluated through multiple analyses, and their gas-sensitive performance was investigated. Compared with the pristine α-Fe2O3 NC sensor, the sensor based on Au@Pt/α-Fe2O3 NCs exhibited faster response time (5 s) and higher response (Ra/Rg = 32) toward 100 ppm TMA gas at a lower temperature (150 °C). Furthermore, we also assessed the Au@Pt/α-Fe2O3 NC sensor for detecting the freshness of Larimichthys crocea which have been observed by headspace solid-phase microextraction and gas chromatography-mass spectrometry. The high performance of the Au@Pt/α-Fe2O3 NCs is attributed to the special hollow morphology with a high specific surface area (212.9 m2/g) and the synergistic effect of the Au@Pt bimetal. The Au@Pt/α-Fe2O3 sensor shows promising application prospects in estimating seafood freshness on the spot.
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Affiliation(s)
- Jiabin Shen
- College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China
- Laboratory of Quality & Safety Risk Assessment for Aquatic Products on Storage and Preservation (Shanghai), Ministry of Agriculture, Shanghai 201306, China
- Shanghai Engineering Research Center of Aquatic-Product Processing & Preservation, Shanghai 201306, China
| | - Shanshan Xu
- State Key Laboratory of Chemical Engineering, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou, Zhejiang 310027, China
| | - Cheng Zhao
- College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China
- Laboratory of Quality & Safety Risk Assessment for Aquatic Products on Storage and Preservation (Shanghai), Ministry of Agriculture, Shanghai 201306, China
- Shanghai Engineering Research Center of Aquatic-Product Processing & Preservation, Shanghai 201306, China
| | - Xiaopeng Qiao
- College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China
- Laboratory of Quality & Safety Risk Assessment for Aquatic Products on Storage and Preservation (Shanghai), Ministry of Agriculture, Shanghai 201306, China
- Shanghai Engineering Research Center of Aquatic-Product Processing & Preservation, Shanghai 201306, China
| | - Haiquan Liu
- College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China
- Laboratory of Quality & Safety Risk Assessment for Aquatic Products on Storage and Preservation (Shanghai), Ministry of Agriculture, Shanghai 201306, China
- Shanghai Engineering Research Center of Aquatic-Product Processing & Preservation, Shanghai 201306, China
| | - Yong Zhao
- College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China
- Laboratory of Quality & Safety Risk Assessment for Aquatic Products on Storage and Preservation (Shanghai), Ministry of Agriculture, Shanghai 201306, China
- Shanghai Engineering Research Center of Aquatic-Product Processing & Preservation, Shanghai 201306, China
| | - Jing Wei
- Institute of Analytical Chemistry and Instrument for Life Science, The Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology, Xi'an Jiaotong University, Xi'an, Shaanxi 710049, China
| | - Yongheng Zhu
- College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China
- Laboratory of Quality & Safety Risk Assessment for Aquatic Products on Storage and Preservation (Shanghai), Ministry of Agriculture, Shanghai 201306, China
- Shanghai Engineering Research Center of Aquatic-Product Processing & Preservation, Shanghai 201306, China
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Sönmez Flitman R, Khalili B, Kutalik Z, Rueedi R, Brümmer A, Bergmann S. Untargeted Metabolome- and Transcriptome-Wide Association Study Suggests Causal Genes Modulating Metabolite Concentrations in Urine. J Proteome Res 2021; 20:5103-5114. [PMID: 34699229 PMCID: PMC9286311 DOI: 10.1021/acs.jproteome.1c00585] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [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] [Indexed: 01/23/2023]
Abstract
![]()
Gene products can
affect the concentrations of small molecules
(aka “metabolites”), and conversely, some metabolites
can modulate the concentrations of gene transcripts. While many specific
instances of this interplay have been revealed, a global approach
to systematically uncover human gene-metabolite interactions is still
lacking. We performed a metabolome- and transcriptome-wide association
study to identify genes influencing the human metabolome using untargeted
metabolome features, extracted from 1H nuclear magnetic
resonance spectroscopy (NMR) of urine samples, and gene expression
levels, quantified from RNA-Seq of lymphoblastoid cell lines (LCL)
from 555 healthy individuals. We identified 20 study-wide significant
associations corresponding to 15 genes, of which 5 associations (with
2 genes) were confirmed with follow-up NMR data. Using metabomatching,
we identified the metabolites corresponding to metabolome features
associated with the genes, namely, N-acetylated compounds with ALMS1 and trimethylamine (TMA) with HPS1. Finally, Mendelian randomization analysis supported a potential
causal link between the expression of genes in both the ALMS1- and HPS1-loci and their associated metabolite
concentrations. In the case of HPS1, we additionally
observed that TMA concentration likely exhibits a reverse causal effect
on HPS1 expression levels, indicating a negative
feedback loop. Our study highlights how the integration of metabolomics,
gene expression, and genetic data can pinpoint causal genes modulating
metabolite concentrations.
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Affiliation(s)
- Reyhan Sönmez Flitman
- Department of Computational Biology, University of Lausanne, Lausanne 1015, Switzerland.,Swiss Institute of Bioinformatics, Lausanne 1015, Switzerland
| | - Bita Khalili
- Department of Computational Biology, University of Lausanne, Lausanne 1015, Switzerland.,Swiss Institute of Bioinformatics, Lausanne 1015, Switzerland
| | - Zoltan Kutalik
- Department of Computational Biology, University of Lausanne, Lausanne 1015, Switzerland.,University Center for Primary Care and Public Health, University of Lausanne, Lausanne 1010, Switzerland.,Swiss Institute of Bioinformatics, Lausanne 1015, Switzerland
| | - Rico Rueedi
- Department of Computational Biology, University of Lausanne, Lausanne 1015, Switzerland.,Swiss Institute of Bioinformatics, Lausanne 1015, Switzerland
| | - Anneke Brümmer
- Department of Computational Biology, University of Lausanne, Lausanne 1015, Switzerland.,Swiss Institute of Bioinformatics, Lausanne 1015, Switzerland
| | - Sven Bergmann
- Department of Computational Biology, University of Lausanne, Lausanne 1015, Switzerland.,Swiss Institute of Bioinformatics, Lausanne 1015, Switzerland.,Department of Integrative Biomedical Sciences, University of Cape Town, Cape Town 7700, South Africa
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40
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Rath S, Rox K, Kleine Bardenhorst S, Schminke U, Dörr M, Mayerle J, Frost F, Lerch MM, Karch A, Brönstrup M, Pieper DH, Vital M. Higher Trimethylamine- N-Oxide Plasma Levels with Increasing Age Are Mediated by Diet and Trimethylamine-Forming Bacteria. mSystems 2021; 6:e0094521. [PMID: 34519520 DOI: 10.1128/mSystems.00945-21] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
The gut microbiota-dependent metabolite trimethylamine-N-oxide (TMAO) is linked to an increased risk for cardiovascular diseases. Trimethylamine (TMA), which is subsequently oxidized to TMAO in the liver, is formed by intestinal bacteria via distinct biochemical routes from dietary precursors that are enriched in animal product-based foods. To get a full picture of the entire process of the diet > gut microbiota > TMAO axis, we quantified potential TMA-forming gut bacteria and plasma metabolites using gene-targeted assays and targeted metabolomics on a subsample (n = 425) of a German population-based cohort study. We specifically compared persons reporting daily meat intake with those that rarely or never consume meat. While meat intake did not predict TMAO plasma levels in our study, two major bacterial TMA-forming pathways were linked to the metabolite's concentration. Furthermore, advancing age was strongly associated with TMAO. Construction of a structural equation model allowed us to disentangle the different routes that promote higher TMAO levels with increasing age, demonstrating, for the first time, a functional role of gut microbiota in the process, where specific food items augmented abundances of TMA-forming bacteria that were associated with higher TMAO plasma concentrations. Analyses stratified by age showed an association between carotid intima-media thickness and TMAO only in individuals >65 of age, indicating that this group is particularly affected by the metabolite. IMPORTANCE Many cohort studies have investigated the link between diet and plasma TMAO levels, reporting incongruent results, while gut microbiota were only recently included into analyses. In these studies, taxonomic data were recorded that are not a good proxy for TMA formation, as specific members of various taxa exhibit genes catalyzing this reaction, demanding function-based technologies for accurate quantification of TMA-synthesizing bacteria. Using this approach, we demonstrated that abundances of the main components leading to TMAO formation, i.e., TMA precursors and TMA-forming bacteria, are uncoupled and not governed by the same (dietary) factors. Results emphasize that all levels leading to TMA(O) formation should be considered for accurate risk assessment, rejecting the simple view that diets rich in TMA precursors directly lead to increased plasma levels of this hazardous compound. The results can assist in developing strategies to reduce TMAO levels, specifically in the elderly, who are prone to TMAO-associated diseases.
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41
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Li X, Hong J, Wang Y, Pei M, Wang L, Gong Z. Trimethylamine-N-Oxide Pathway: A Potential Target for the Treatment of MAFLD. Front Mol Biosci 2021; 8:733507. [PMID: 34660695 PMCID: PMC8517136 DOI: 10.3389/fmolb.2021.733507] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [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: 07/01/2021] [Accepted: 09/22/2021] [Indexed: 01/14/2023] Open
Abstract
Trimethylamine-N-oxide (TMAO) is a molecular metabolite derived from the gut flora, which has recently emerged as a candidate risk factor for metabolic dysfunction-associated fatty liver disease (MAFLD). TMAO is mainly derived from gut, where the gut microbiota converts TMA precursors into TMA, which is absorbed into the bloodstream through the intestinal mucosa, and then transformed into TMAO by hepatic flavin monooxygenases (FMOs) in the liver. High-nutrient diets rich in TMA precursors, such as red meat, eggs, and fish, are the main sources of TMAO. Excessively consuming such diets not only directly affects energy metabolism in liver, but also increases the concentration of TMAO in plasma, which promotes the development of MAFLD by affecting bile acid metabolism, unfolded protein response, and oxidative stress. In this review, we focused on the relationship between TMAO and MAFLD and summarized intervention strategies for reducing circulating TMAO concentration, aiming at providing new targets for the prevention and treatment of MAFLD.
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Affiliation(s)
- Xun Li
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, Wuhan, China
| | - Jia Hong
- Department of Obstetrics and Gynaecology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Yao Wang
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, Wuhan, China
| | - Maohua Pei
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, Wuhan, China
| | - Luwen Wang
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, Wuhan, China
| | - Zuojiong Gong
- Department of Infectious Diseases, Renmin Hospital of Wuhan University, Wuhan, China
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42
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Zhou Q, Zhu L, Zheng C, Wang J. Nanoporous Functionalized WS 2/MWCNTs Nanocomposite for Trimethylamine Detection Based on Quartz Crystal Microbalance Gas Sensor. ACS Appl Mater Interfaces 2021; 13:41339-41350. [PMID: 34423629 DOI: 10.1021/acsami.1c12213] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
We have developed a tungsten disulfide (WS2)/multiwall carbon nanotubes (MWCNTs) nanocomposite based QCM gas sensor for (trimethylamine) TMA gas sensing of low concentrations. WS2/MWCNTs nanocomposite was synthesized via the hydrothermal method and was characterized for surface morphology, nanostructure, thermal stability, and elementary composition. The TMA-sensing properties of WS2/MWCNTs nanocomposite based QCM sensor were investigated. The composite based QCM sensor showed faster response time, strong response amplitude, good gas capacity, and good selectivity and stability compared with as prepared WS2 and MWCNTs-1 based QCM sensor. The response time of WS2/MWCNTs based QCM sensor was 294.1 and 142.9 s shorter than WS2 and MWCNTs-1 for 500 ppb TMA gas. And the response of the WS2/MWCNTs based QCM sensor was almost stable over 40 days, and the limit of detection (LOD) was 76 ppb calculated by the ICH method. This was ascribed to the fact that MWCNTs provided a skeleton for the growth of WS2 nanosheets and avoided agglomeration. The special structure could not only improve the structure ability but also expose more active adsorption sites. In order to further investigate the adsorption mechanism of the TMA molecule on (pure/functionalized) WS2 materials, density functional theory (DFT) calculations based on first-principle were conducted in the Vienna Ab-initio Simulation Package under ideal conditions.
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Affiliation(s)
- Qinan Zhou
- College of Biosystems Engineering and Food Science, Zhejiang University, 866 Yuhangtang Road, Hangzhou 310058, P. R. China
| | - Luyi Zhu
- College of Biosystems Engineering and Food Science, Zhejiang University, 866 Yuhangtang Road, Hangzhou 310058, P. R. China
| | - Chengyu Zheng
- College of Biosystems Engineering and Food Science, Zhejiang University, 866 Yuhangtang Road, Hangzhou 310058, P. R. China
| | - Jun Wang
- College of Biosystems Engineering and Food Science, Zhejiang University, 866 Yuhangtang Road, Hangzhou 310058, P. R. China
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Rajakovich LJ, Fu B, Bollenbach M, Balskus EP. Elucidation of an anaerobic pathway for metabolism of l-carnitine-derived γ-butyrobetaine to trimethylamine in human gut bacteria. Proc Natl Acad Sci U S A 2021; 118:e2101498118. [PMID: 34362844 DOI: 10.1073/pnas.2101498118] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
Trimethylamine (TMA) is an important gut microbial metabolite strongly associated with human disease. There are prominent gaps in our understanding of how TMA is produced from the essential dietary nutrient l-carnitine, particularly in the anoxic environment of the human gut where oxygen-dependent l-carnitine-metabolizing enzymes are likely inactive. Here, we elucidate the chemical and genetic basis for anaerobic TMA generation from the l-carnitine-derived metabolite γ-butyrobetaine (γbb) by the human gut bacterium Emergencia timonensis We identify a set of genes up-regulated by γbb and demonstrate that the enzymes encoded by the induced γbb utilization (bbu) gene cluster convert γbb to TMA. The key TMA-generating step is catalyzed by a previously unknown type of TMA-lyase enzyme that utilizes a putative flavin cofactor to catalyze a redox-neutral transformation. We identify additional cultured and uncultured host-associated bacteria that possess the bbu gene cluster, providing insights into the distribution of anaerobic γbb metabolism. Lastly, we present genetic, transcriptional, and metabolomic evidence that confirms the relevance of this metabolic pathway in the human gut microbiota. These analyses indicate that the anaerobic pathway is a more substantial contributor to TMA generation from l-carnitine in the human gut than the previously proposed aerobic pathway. The discovery and characterization of the bbu pathway provides the critical missing link in anaerobic metabolism of l-carnitine to TMA, enabling investigation into the connection between this microbial function and human disease.
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44
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Kivenson V, Paul BG, Valentine DL. An Ecological Basis for Dual Genetic Code Expansion in Marine Deltaproteobacteria. Front Microbiol 2021; 12:680620. [PMID: 34335502 PMCID: PMC8318568 DOI: 10.3389/fmicb.2021.680620] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [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: 03/15/2021] [Accepted: 05/20/2021] [Indexed: 01/04/2023] Open
Abstract
Marine benthic environments may be shaped by anthropogenic and other localized events, leading to changes in microbial community composition evident decades after a disturbance. Marine sediments in particular harbor exceptional taxonomic diversity and can shed light on distinctive evolutionary strategies. Genetic code expansion is a strategy that increases the structural and functional diversity of proteins in cells, by repurposing stop codons to encode non-canonical amino acids: pyrrolysine (Pyl) and selenocysteine (Sec). Here, we report both a study of the microbiome at a deep sea industrial waste dumpsite and an unanticipated discovery of codon reassignment in its most abundant member, with potential ramifications for interpreting microbial interactions with ocean-dumped wastes. The genomes of abundant Deltaproteobacteria from the sediments of a deep-ocean chemical waste dump site have undergone genetic code expansion. Pyl and Sec in these organisms appear to augment trimethylamine (TMA) and one-carbon metabolism, representing an increased metabolic versatility. The inferred metabolism of these sulfate-reducing bacteria places them in competition with methylotrophic methanogens for TMA, a contention further supported by earlier isotope tracer studies and reanalysis of metatranscriptomic studies. A survey of genomic data further reveals a broad geographic distribution of a niche group of similarly specialized Deltaproteobacteria, including at sulfidic sites in the Atlantic Ocean, Gulf of Mexico, Guaymas Basin, and North Sea, as well as in terrestrial and estuarine environments. These findings reveal an important biogeochemical role for specialized Deltaproteobacteria at the interface of the carbon, nitrogen, selenium, and sulfur cycles, with their niche adaptation and ecological success potentially augmented by genetic code expansion.
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Affiliation(s)
- Veronika Kivenson
- Interdepartmental Graduate Program in Marine Science, University of California, Santa Barbara, Santa Barbara, CA, United States
| | - Blair G. Paul
- Department of Earth Science and Marine Science Institute, University of California, Santa Barbara, Santa Barbara, CA, United States
| | - David L. Valentine
- Department of Earth Science and Marine Science Institute, University of California, Santa Barbara, Santa Barbara, CA, United States
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45
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Affiliation(s)
- Gary L Pierce
- Department of Health and Human Physiology (G.L.P., S.J.R., C.J.G.), University of Iowa.,Department of Internal Medicine (G.L.P.), University of Iowa.,Abboud Cardiovascular Research Center (G.L.P., S.J.R.), University of Iowa.,Fraternal Order of Eagles Diabetes Research Center (G.L.P.), University of Iowa
| | - Stephen J Roy
- Department of Health and Human Physiology (G.L.P., S.J.R., C.J.G.), University of Iowa.,Abboud Cardiovascular Research Center (G.L.P., S.J.R.), University of Iowa
| | - Colin J Gimblet
- Department of Health and Human Physiology (G.L.P., S.J.R., C.J.G.), University of Iowa
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46
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Hamakawa Y, Mukojima K, Uchiyama M, Okada S, Mabuchi R, Furuta A, Tanimoto S. Effect of different heating conditions on odor of yellowtail Seriola quinqueradiata muscles. Biosci Biotechnol Biochem 2021; 85:2030-2041. [PMID: 34143181 DOI: 10.1093/bbb/zbab110] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [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: 03/16/2021] [Accepted: 05/10/2021] [Indexed: 11/14/2022]
Abstract
The effects of different heating conditions set to prevent food poisoning on the volatile components, lipid oxidation, and odor of yellowtail fish, Seriola quinqueradiata, were investigated. The heating conditions did not affect the lipid oxidation, fatty acid composition, and volatile compounds of each part of the flesh. High-temperature/short-time (90 °C for 6 min) heating led to significantly higher trimethylamine (TMA) contents in all muscle parts and higher odor intensity of TMA in dark muscle (DM) compared to those of lower temperature heating. Sensory evaluation showed that the odor intensities of all muscle parts heated at high-temperature/short-time were stronger than those at low-temperature/long-time (63 °C for 30 min). All DM samples had less odor palatability than the other flesh parts. Therefore, DM may have contributed to the unfavorable odor of steamed yellowtail fish meat and high-temperature/short-time heating may have enhanced the odor of all flesh parts compared with those subjected to low-temperature/long-time.
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Affiliation(s)
- Yumi Hamakawa
- Hokkaido Research Organization Abashiri Fisheries Research Institute, Hokkaido 094-0011, Japan and Graduate School of Comprehensive Scientific Research, Prefectural University of Hiroshima, Hiroshima 734-8558, Japan
| | - Kaori Mukojima
- Faculty of Health and Nutrition, Hijiyama University, Hiroshima 732-8509, Japan
| | - Maki Uchiyama
- Faculty of Human Culture and Science, Prefectural University of Hiroshima, Hiroshima 734-8558, Japan
| | - Shoko Okada
- Faculty of Human Culture and Science, Prefectural University of Hiroshima, Hiroshima 734-8558, Japan
| | - Ryota Mabuchi
- Faculty of Bioresource Sciences, Prefectural University of Hiroshima, Shobara, 727-0023, Japan
| | - Ayumi Furuta
- Faculty of Regional Development, Prefectural University of Hiroshima, Hiroshima 734-8558, Japan
| | - Shota Tanimoto
- Faculty of Regional Development, Prefectural University of Hiroshima, Hiroshima 734-8558, Japan
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Nahok K, Phetcharaburanin J, Li JV, Silsirivanit A, Thanan R, Boonnate P, Joonhuathon J, Sharma A, Anutrakulchai S, Selmi C, Cha’on U. Monosodium Glutamate Induces Changes in Hepatic and Renal Metabolic Profiles and Gut Microbiome of Wistar Rats. Nutrients 2021; 13:1865. [PMID: 34070818 PMCID: PMC8229789 DOI: 10.3390/nu13061865] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2021] [Revised: 05/27/2021] [Accepted: 05/28/2021] [Indexed: 01/14/2023] Open
Abstract
The short- and long-term consumption of monosodium glutamate (MSG) increases urinary pH but the effects on the metabolic pathways in the liver, kidney and the gut microbiota remain unknown. To address this issue, we investigated adult male Wistar rats allocated to receive drinking water with or without 1 g% MSG for 2 weeks (n = 10, each). We performed a Nuclear Magnetic Resonance (NMR) spectroscopy-based metabolomic study of the jejunum, liver, and kidneys, while faecal samples were collected for bacterial DNA extraction to investigate the gut microbiota using 16S rRNA gene sequencing. We observed significant changes in the liver of MSG-treated rats compared to controls in the levels of glucose, pyridoxine, leucine, isoleucine, valine, alanine, kynurenate, and nicotinamide. Among kidney metabolites, the level of trimethylamine (TMA) was increased, and pyridoxine was decreased after MSG-treatment. Sequencing of the 16S rRNA gene revealed that MSG-treated rats had increased Firmicutes, the gut bacteria associated with TMA metabolism, along with decreased Bifidobacterium species. Our data support the impact of MSG consumption on liver and kidney metabolism. Based on the gut microbiome changes, we speculate that TMA and its metabolites such as trimethylamine-N-oxide (TMAO) may be mediators of the effects of MSG on the kidney health.
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Affiliation(s)
- Kanokwan Nahok
- Department of Biochemistry, Faculty of Medicine, Khon Kaen University, Khon Kaen 40002, Thailand; (K.N.); (J.P.); (A.S.); (R.T.); (P.B.)
- Chronic Kidney Disease Prevention in the Northeast Thailand (CKDNET), Khon Kaen University, Khon Kaen 40002, Thailand; (A.S.); (S.A.)
| | - Jutarop Phetcharaburanin
- Department of Biochemistry, Faculty of Medicine, Khon Kaen University, Khon Kaen 40002, Thailand; (K.N.); (J.P.); (A.S.); (R.T.); (P.B.)
| | - Jia V. Li
- Department of Metabolism, Digestive Disease and Reproduction, Faculty of Medicine, Imperial College London, South Kensington, London SW7 2AZ, UK;
| | - Atit Silsirivanit
- Department of Biochemistry, Faculty of Medicine, Khon Kaen University, Khon Kaen 40002, Thailand; (K.N.); (J.P.); (A.S.); (R.T.); (P.B.)
| | - Raynoo Thanan
- Department of Biochemistry, Faculty of Medicine, Khon Kaen University, Khon Kaen 40002, Thailand; (K.N.); (J.P.); (A.S.); (R.T.); (P.B.)
| | - Piyanard Boonnate
- Department of Biochemistry, Faculty of Medicine, Khon Kaen University, Khon Kaen 40002, Thailand; (K.N.); (J.P.); (A.S.); (R.T.); (P.B.)
| | - Jarus Joonhuathon
- Northeast Laboratory Animal Center, Khon Kaen University, Khon Kaen 40002, Thailand;
| | - Amod Sharma
- Chronic Kidney Disease Prevention in the Northeast Thailand (CKDNET), Khon Kaen University, Khon Kaen 40002, Thailand; (A.S.); (S.A.)
| | - Sirirat Anutrakulchai
- Chronic Kidney Disease Prevention in the Northeast Thailand (CKDNET), Khon Kaen University, Khon Kaen 40002, Thailand; (A.S.); (S.A.)
- Department of Internal Medicine, Faculty of Medicine, Khon Kaen University, Khon Kaen 40002, Thailand
| | - Carlo Selmi
- Rheumatology and Clinical Immunology, Humanitas Clinical and Research Center IRCCS, Rozzano, 20089 Milan, Italy
- Department of Clinical Biosciences, Humanitas University, Pieve Emanuele, 20090 Milan, Italy
| | - Ubon Cha’on
- Department of Biochemistry, Faculty of Medicine, Khon Kaen University, Khon Kaen 40002, Thailand; (K.N.); (J.P.); (A.S.); (R.T.); (P.B.)
- Chronic Kidney Disease Prevention in the Northeast Thailand (CKDNET), Khon Kaen University, Khon Kaen 40002, Thailand; (A.S.); (S.A.)
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Rajeev R, Seethalakshmi PS, Jena PK, Prathiviraj R, Kiran GS, Selvin J. Gut microbiome responses in the metabolism of human dietary components: Implications in health and homeostasis. Crit Rev Food Sci Nutr 2021; 62:7615-7631. [PMID: 34016000 DOI: 10.1080/10408398.2021.1916429] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
The gut microbiome and its link with human health and disease have gained a lot of attention recently. The microbiome executes its functions in the host by carrying out the transformation of dietary components and/or de novo synthesis of various essential nutrients. The presence of complex microbial communities makes it difficult to understand the host-microbiome interplay in the metabolism of dietary components. This review attempts to uncover the incredible role of the gut microbiome in the metabolism of dietary components, diet-microbiome interplay, and restoration of the microbiome. The in silico analysis performed in this study elucidates the functional description of essential/hub genes involved in the amino acid degradation pathway, which are mutually present in the host and its gut microbiome. Hence, the computational model helps comprehend the inter-and intracellular molecular networks between humans and their microbial partners.
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Affiliation(s)
- Riya Rajeev
- Department of Microbiology, Pondicherry University, Puducherry, India
| | - P S Seethalakshmi
- Department of Microbiology, Pondicherry University, Puducherry, India
| | - Prasant Kumar Jena
- Immunology and infectious disease research, Department of Pediatrics, Cedars Sinai Medical Center, Los Angeles, California, USA
| | - R Prathiviraj
- Department of Microbiology, Pondicherry University, Puducherry, India
| | - George Seghal Kiran
- Department of Food Science and Technology, Pondicherry University, Puducherry, India
| | - Joseph Selvin
- Department of Microbiology, Pondicherry University, Puducherry, India
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Iglesias-Carres L, Essenmacher LA, Racine KC, Neilson AP. Development of a High-Throughput Method to Study the Inhibitory Effect of Phytochemicals on Trimethylamine Formation. Nutrients 2021; 13:1466. [PMID: 33925806 DOI: 10.3390/nu13051466] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2021] [Revised: 04/20/2021] [Accepted: 04/23/2021] [Indexed: 12/14/2022] Open
Abstract
Choline is metabolized by the gut microbiota into trimethylamine (TMA), the precursor of pro-atherosclerotic molecule trimethylamine N-oxide (TMAO). A reduction in TMA formation has shown cardioprotective effects, and some phytochemicals may reduce TMA formation. This study aimed to develop an optimized, high-throughput anaerobic fermentation methodology to study the inhibition of choline microbial metabolism into TMA by phenolic compounds with healthy human fecal starter. Optimal fermentation conditions were: 20% fecal slurry (1:10 in PBS), 100 µM choline, and 12 h fermentation. Additionally, 10 mM of 3,3-dimethyl-1-butanol (DMB) was defined as a positive TMA production inhibitor, achieving a ~50% reduction in TMA production. Gallic acid and chlorogenic acid reported higher TMA inhibitory potential (maximum of 80–90% TMA production inhibition), with IC50 around 5 mM. Neither DMB nor gallic acid or chlorogenic acid reduced TMA production through cytotoxic effects, indicating mechanisms such as altered TMA-lyase activity or expression.
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Todeschini S, Perreault V, Goulet C, Bouchard M, Dubé P, Boutin Y, Bazinet L. Development of a New Deodorization Method of Herring Milt Hydrolysate: Impacts of pH, Stirring with Nitrogen and Deaerator Treatment on the Odorous Content. Foods 2021; 10:foods10040884. [PMID: 33920688 PMCID: PMC8073558 DOI: 10.3390/foods10040884] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [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: 03/24/2021] [Accepted: 04/12/2021] [Indexed: 11/21/2022] Open
Abstract
Herring milt hydrolysate (HMH) presents the disadvantage of being associated with an unpleasant smell limiting its use. Thus, to develop a new effective and easy-to-use deodorization method, this research aimed to deepen the knowledge regarding the impacts of pH (pH 7 vs. pH 10), overnight stirring with nitrogen (+N vs. −N) and deaerator treatment (+D vs. −D) on the odorous content of HMH. This latter included dimethylamine (DMA), trimethylamine (TMA), trimethylamine oxide (TMAO) and the most potent odor-active compounds of HMH. Results showed that pH had a huge impact on the targeted compounds resulting in higher detected concentrations of DMA, TMA and TMAO at pH 10 than at pH 7 (p < 0.05) while the opposite trend was observed for the most potent odor-active compounds of HMH (p < 0.05). Moreover, independently of the pH condition, the overnight stirring with or without nitrogen had no impact (p > 0.05). Finally, the deaerator treatment was more effective to remove TMA and DMA at pH 10 than at pH 7 (p < 0.05) while the opposite trend was observed for the most potent odor-active compounds (p < 0.05). Sensory analysis confirmed that the application of pH 10 −N +D and pH 7 −N +D + alkalization pH 10 conditions led to the least odorous products (p < 0.05).
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Affiliation(s)
- Sarah Todeschini
- Department of Food Sciences and Laboratoire de Transformation Alimentaire et Procédés ÉlectroMembranaires (LTAPEM, Laboratory of Food Processing and ElectroMembrane Processes), Université Laval, Québec, QC G1V 0A6, Canada; (S.T.); (V.P.)
- Institute of Nutrition and Functional Foods (INAF), Université Laval, Québec, QC G1V 0A6, Canada;
| | - Véronique Perreault
- Department of Food Sciences and Laboratoire de Transformation Alimentaire et Procédés ÉlectroMembranaires (LTAPEM, Laboratory of Food Processing and ElectroMembrane Processes), Université Laval, Québec, QC G1V 0A6, Canada; (S.T.); (V.P.)
- Institute of Nutrition and Functional Foods (INAF), Université Laval, Québec, QC G1V 0A6, Canada;
| | - Charles Goulet
- Department of Phytology, Université Laval, Québec, QC G1V 0A6, Canada;
| | - Mélanie Bouchard
- Investissement Québec-Centre de Recherche Industrielle du Québec (CRIQ, Quebec Investment–Industrial Research Center of Quebec), Québec, QC G1P 4C7, Canada; (M.B.); (P.D.)
| | - Pascal Dubé
- Investissement Québec-Centre de Recherche Industrielle du Québec (CRIQ, Quebec Investment–Industrial Research Center of Quebec), Québec, QC G1P 4C7, Canada; (M.B.); (P.D.)
| | - Yvan Boutin
- Institute of Nutrition and Functional Foods (INAF), Université Laval, Québec, QC G1V 0A6, Canada;
- Centre Collégial de Transfert de Technologie en Biotechnologie (TransBIOTech, College Center for Technology Transfer in Biotechnology), Lévis, QC G6V 6Z9, Canada
| | - Laurent Bazinet
- Department of Food Sciences and Laboratoire de Transformation Alimentaire et Procédés ÉlectroMembranaires (LTAPEM, Laboratory of Food Processing and ElectroMembrane Processes), Université Laval, Québec, QC G1V 0A6, Canada; (S.T.); (V.P.)
- Institute of Nutrition and Functional Foods (INAF), Université Laval, Québec, QC G1V 0A6, Canada;
- Correspondence: ; Tel.: +1-418-656-2131 (ext. 407445); Fax: +1-418-656-3353
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