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Yu PS, Wu PH, Hung WW, Lin MY, Zhen YY, Hung WC, Chang JM, Tsai JR, Chiu YW, Hwang SJ, Tsai YC. Association Between Trimethylamine N-oxide and Adverse Kidney Outcomes and Overall Mortality in Type 2 Diabetes Mellitus. J Clin Endocrinol Metab 2024; 109:2097-2105. [PMID: 38267025 PMCID: PMC11244202 DOI: 10.1210/clinem/dgae009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/27/2023] [Indexed: 01/26/2024]
Abstract
CONTEXT Type 2 diabetes (T2D) is the major contributor to chronic kidney disease and end-stage kidney disease (ESKD). The influence of trimethylamine N-oxide (TMAO) on kidney outcomes in T2D remains unclear. OBJECTIVE To examine the association between fasting serum TMAO levels and adverse kidney outcomes in patients with T2D. METHODS Between October 2016 and June 2020, patients with T2D were recruited and monitored every 3 months until December 2021. Serum TMAO levels were assessed using liquid chromatography-mass spectrometry. The primary kidney outcomes were doubling of serum creatinine levels or progression to ESKD necessitating dialysis; the secondary kidney outcome was a rapid 30% decline in estimated glomerular filtration rate within 2 years. All-cause mortality was also evaluated. RESULTS Among the 440 enrolled patients with T2D, those in the highest serum TMAO tertile (≥0.88 μM) were older, had a longer diabetes duration, elevated blood urea nitrogen, and lower estimated glomerular filtration rate. Over a median follow-up period of 4 years, 26 patients (5.9%) had a doubling of serum creatinine level or progression to ESKD. After propensity score weighting, the patients in the highest serum TMAO tertile had a 6.45-fold increase in the risk of doubling of serum creatinine levels or progression to ESKD and 5.86-fold elevated risk of rapid decline in kidney function compared with those in the lowest tertile. Additionally, the stepwise increase in serum TMAO was associated with all-cause mortality. CONCLUSION Patients with T2D with elevated circulating TMAO levels are at higher risk of doubling serum creatinine, progressing to ESKD, and mortality. TMAO is a potential biomarker for kidney function progression and mortality in patients with T2D.
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Affiliation(s)
- Ping-Shaou Yu
- Division of Nephrology, Department of Internal Medicine, Kaohsiung Medical University Chung-Ho Memorial Hospital, Kaohsiung Medical University, Kaohsiung 807, Taiwan
- Department of Internal Medicine, Kaohsiung Municipal Cijin Hospital, Kaohsiung 805, Taiwan
- Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan
| | - Ping-Hsun Wu
- Division of Nephrology, Department of Internal Medicine, Kaohsiung Medical University Chung-Ho Memorial Hospital, Kaohsiung Medical University, Kaohsiung 807, Taiwan
- Faculty of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan
| | - Wei-Wen Hung
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Kaohsiung Medical University Chung-Ho Memorial Hospital, Kaohsiung Medical University, Kaohsiung 807, Taiwan
| | - Ming-Yen Lin
- Division of Nephrology, Department of Internal Medicine, Kaohsiung Medical University Chung-Ho Memorial Hospital, Kaohsiung Medical University, Kaohsiung 807, Taiwan
| | - Yen-Yi Zhen
- Division of Nephrology, Department of Internal Medicine, Kaohsiung Medical University Chung-Ho Memorial Hospital, Kaohsiung Medical University, Kaohsiung 807, Taiwan
| | - Wei-Chun Hung
- Department of Microbiology and Immunology, College of Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan
| | - Jer-Ming Chang
- Division of Nephrology, Department of Internal Medicine, Kaohsiung Medical University Chung-Ho Memorial Hospital, Kaohsiung Medical University, Kaohsiung 807, Taiwan
- Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan
| | - Jong-Rung Tsai
- Department of Internal Medicine, Kaohsiung Municipal Cijin Hospital, Kaohsiung 805, Taiwan
| | - Yi-Wen Chiu
- Division of Nephrology, Department of Internal Medicine, Kaohsiung Medical University Chung-Ho Memorial Hospital, Kaohsiung Medical University, Kaohsiung 807, Taiwan
- Faculty of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan
| | - Shang-Jyh Hwang
- Division of Nephrology, Department of Internal Medicine, Kaohsiung Medical University Chung-Ho Memorial Hospital, Kaohsiung Medical University, Kaohsiung 807, Taiwan
- Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan
| | - Yi-Chun Tsai
- Division of Nephrology, Department of Internal Medicine, Kaohsiung Medical University Chung-Ho Memorial Hospital, Kaohsiung Medical University, Kaohsiung 807, Taiwan
- Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan
- Faculty of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan
- Division of General Medicine, Kaohsiung Medical University, Kaohsiung Medical University Chung-Ho Memorial Hospital, Kaohsiung 807, Taiwan
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Morais LH, Boktor JC, MahmoudianDehkordi S, Kaddurah-Daouk R, Mazmanian SK. α-Synuclein Overexpression and the Microbiome Shape the Gut and Brain Metabolome in Mice. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.06.07.597975. [PMID: 38915679 PMCID: PMC11195096 DOI: 10.1101/2024.06.07.597975] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/26/2024]
Abstract
Pathological forms of the protein α-synuclein contribute to a family of disorders termed synucleinopathies, which includes Parkinson's disease (PD). Most cases of PD are believed to arise from gene-environment interactions. Microbiome composition is altered in PD, and gut bacteria are causal to symptoms and pathology in animal models. To explore how the microbiome may impact PD-associated genetic risks, we quantitatively profiled nearly 630 metabolites from 26 biochemical classes in the gut, plasma, and brain of α-synuclein-overexpressing (ASO) mice with or without microbiota. We observe tissue-specific changes driven by genotype, microbiome, and their interaction. Many differentially expressed metabolites in ASO mice are also dysregulated in human PD patients, including amine oxides, bile acids and indoles. Notably, levels of the microbial metabolite trimethylamine N-oxide (TMAO) strongly correlate from the gut to the plasma to the brain, identifying a product of gene-environment interactions that may influence PD-like outcomes in mice. TMAO is elevated in the blood and cerebral spinal fluid of PD patients. These findings uncover broad metabolomic changes that are influenced by the intersection of host genetics and the microbiome in a mouse model of PD.
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Affiliation(s)
- Livia H. Morais
- Division of Biology and Biological Engineering, California Institute of Technology, Pasadena, CA, USA
- Aligning Science Across Parkinson’s (ASAP) Collaborative Research Network, Chevy Chase, MD 20815
| | - Joseph C. Boktor
- Division of Biology and Biological Engineering, California Institute of Technology, Pasadena, CA, USA
- Aligning Science Across Parkinson’s (ASAP) Collaborative Research Network, Chevy Chase, MD 20815
| | | | - Rima Kaddurah-Daouk
- Department of Psychiatry and Behavioral Sciences, Duke University, Durham, NC, USA
- Duke Institute of Brain Sciences, Duke University, Durham, NC, USA
- Department of Medicine, Duke University, Durham, NC, USA
| | - Sarkis K. Mazmanian
- Division of Biology and Biological Engineering, California Institute of Technology, Pasadena, CA, USA
- Aligning Science Across Parkinson’s (ASAP) Collaborative Research Network, Chevy Chase, MD 20815
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3
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Andreu‐Sánchez S, Ahmad S, Kurilshikov A, Beekman M, Ghanbari M, van Faassen M, van den Munckhof ICL, Steur M, Harms A, Hankemeier T, Ikram MA, Kavousi M, Voortman T, Kraaij R, Netea MG, Rutten JHW, Riksen NP, Zhernakova A, Kuipers F, Slagboom PE, van Duijn CM, Fu J, Vojinovic D. Unraveling interindividual variation of trimethylamine N-oxide and its precursors at the population level. IMETA 2024; 3:e183. [PMID: 38898991 PMCID: PMC11183189 DOI: 10.1002/imt2.183] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/19/2023] [Revised: 02/28/2024] [Accepted: 02/28/2024] [Indexed: 06/21/2024]
Abstract
Trimethylamine N-oxide (TMAO) is a circulating microbiome-derived metabolite implicated in the development of atherosclerosis and cardiovascular disease (CVD). We investigated whether plasma levels of TMAO, its precursors (betaine, carnitine, deoxycarnitine, choline), and TMAO-to-precursor ratios are associated with clinical outcomes, including CVD and mortality. This was followed by an in-depth analysis of their genetic, gut microbial, and dietary determinants. The analyses were conducted in five Dutch prospective cohort studies including 7834 individuals. To further investigate association results, Mendelian Randomization (MR) was also explored. We found only plasma choline levels (hazard ratio [HR] 1.17, [95% CI 1.07; 1.28]) and not TMAO to be associated with CVD risk. Our association analyses uncovered 10 genome-wide significant loci, including novel genomic regions for betaine (6p21.1, 6q25.3), choline (2q34, 5q31.1), and deoxycarnitine (10q21.2, 11p14.2) comprising several metabolic gene associations, for example, CPS1 or PEMT. Furthermore, our analyses uncovered 68 gut microbiota associations, mainly related to TMAO-to-precursors ratios and the Ruminococcaceae family, and 16 associations of food groups and metabolites including fish-TMAO, meat-carnitine, and plant-based food-betaine associations. No significant association was identified by the MR approach. Our analyses provide novel insights into the TMAO pathway, its determinants, and pathophysiological impact on the general population.
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Affiliation(s)
- Sergio Andreu‐Sánchez
- Department of Genetics, University Medical Center GroningenUniversity of GroningenGroningenThe Netherlands
- Department of Pediatrics, University Medical Center GroningenUniversity of GroningenGroningenThe Netherlands
| | - Shahzad Ahmad
- Department of EpidemiologyErasmus University Medical CenterRotterdamThe Netherlands
- Metabolomics & Analytics Centre, Leiden Academic Center for Drug ResearchLeiden UniversityLeidenThe Netherlands
| | - Alexander Kurilshikov
- Department of Genetics, University Medical Center GroningenUniversity of GroningenGroningenThe Netherlands
| | - Marian Beekman
- Molecular Epidemiology, Department of Biomedical Data SciencesLeiden University Medical CenterLeidenThe Netherlands
| | - Mohsen Ghanbari
- Department of EpidemiologyErasmus University Medical CenterRotterdamThe Netherlands
| | - Martijn van Faassen
- Department of Laboratory Medicine, University Medical Center GroningenUniversity of GroningenGroningenThe Netherland
| | - Inge C. L. van den Munckhof
- Department of Internal Medicine and Radboud Institute for Molecular Life SciencesRadboud University Medical CenterNijmegenThe Netherlands
| | - Marinka Steur
- Department of EpidemiologyErasmus University Medical CenterRotterdamThe Netherlands
| | - Amy Harms
- Metabolomics & Analytics Centre, Leiden Academic Center for Drug ResearchLeiden UniversityLeidenThe Netherlands
| | - Thomas Hankemeier
- Metabolomics & Analytics Centre, Leiden Academic Center for Drug ResearchLeiden UniversityLeidenThe Netherlands
| | - M. Arfan Ikram
- Department of EpidemiologyErasmus University Medical CenterRotterdamThe Netherlands
| | - Maryam Kavousi
- Department of EpidemiologyErasmus University Medical CenterRotterdamThe Netherlands
| | - Trudy Voortman
- Department of EpidemiologyErasmus University Medical CenterRotterdamThe Netherlands
| | - Robert Kraaij
- Department of Internal MedicineErasmus University Medical CenterRotterdamThe Netherlands
| | - Mihai G. Netea
- Department of Internal Medicine and Radboud Institute for Molecular Life SciencesRadboud University Medical CenterNijmegenThe Netherlands
| | - Joost H. W. Rutten
- Department of Internal Medicine and Radboud Institute for Molecular Life SciencesRadboud University Medical CenterNijmegenThe Netherlands
| | - Niels P. Riksen
- Department of Internal Medicine and Radboud Institute for Molecular Life SciencesRadboud University Medical CenterNijmegenThe Netherlands
| | - Alexandra Zhernakova
- Department of Genetics, University Medical Center GroningenUniversity of GroningenGroningenThe Netherlands
| | - Folkert Kuipers
- Department of Pediatrics, University Medical Center GroningenUniversity of GroningenGroningenThe Netherlands
- Department of Laboratory Medicine, University Medical Center GroningenUniversity of GroningenGroningenThe Netherland
- European Institute for the Biology of Ageing, University Medical Center GroningenUniversity of GroningenGroningenThe Netherlands
| | - P. Eline Slagboom
- Molecular Epidemiology, Department of Biomedical Data SciencesLeiden University Medical CenterLeidenThe Netherlands
| | | | - Jingyuan Fu
- Department of Genetics, University Medical Center GroningenUniversity of GroningenGroningenThe Netherlands
- Department of Pediatrics, University Medical Center GroningenUniversity of GroningenGroningenThe Netherlands
| | - Dina Vojinovic
- Department of EpidemiologyErasmus University Medical CenterRotterdamThe Netherlands
- Molecular Epidemiology, Department of Biomedical Data SciencesLeiden University Medical CenterLeidenThe Netherlands
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Alvarenga L, Kemp JA, Baptista BG, Ribeiro M, Lima LS, Mafra D. Production of Toxins by the Gut Microbiota: The Role of Dietary Protein. Curr Nutr Rep 2024; 13:340-350. [PMID: 38587573 DOI: 10.1007/s13668-024-00535-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/26/2024] [Indexed: 04/09/2024]
Abstract
PURPOSE OF REVIEW This narrative review will discuss how the intake of specific protein sources (animal and vegetable) providing specific amino acids can modulate the gut microbiota composition and generate toxins. A better understanding of these interactions could lead to more appropriate dietary recommendations to improve gut health and mitigate the risk of complications promoted by the toxic metabolites formed by the gut microbiota. RECENT FINDINGS Gut microbiota is vital in maintaining human health by influencing immune function and key metabolic pathways. Under unfavorable conditions, the gut microbiota can produce excess toxins, which contribute to inflammation and the breakdown of the integrity of the intestinal barrier. Genetic and environmental factors influence gut microbiota diversity, with diet playing a crucial role. Emerging evidence indicates that the gut microbiota significantly metabolizes amino acids from dietary proteins, producing various metabolites with beneficial and harmful effects. Amino acids such as choline, betaine, l-carnitine, tyrosine, phenylalanine, and tryptophan can increase the production of uremic toxins when metabolized by intestinal bacteria. The type of food source that provides these amino acids affects the production of toxins. Plant-based diets and dietary fiber are associated with lower toxin formation than animal-based diets due to the high amino acid precursors in animal proteins.
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Affiliation(s)
- Livia Alvarenga
- Graduate Program in Biological Sciences - Physiology, Federal University of Rio de Janeiro (UFRJ), Rio de Janeiro (RJ), Brazil.
- Graduate Program in Nutrition Science, Federal Fluminense University, Niteroi, Rio de Janeiro (RJ), Brazil.
| | - Julie A Kemp
- Graduate Program in Nutrition Science, Federal Fluminense University, Niteroi, Rio de Janeiro (RJ), Brazil
| | - Beatriz G Baptista
- Graduate Program in Medical Science, Federal Fluminense University, Niteroi, Rio de Janeiro (RJ), Brazil
| | - Marcia Ribeiro
- Graduate Program in Biological Sciences - Physiology, Federal University of Rio de Janeiro (UFRJ), Rio de Janeiro (RJ), Brazil
| | - Ligia Soares Lima
- Graduate Program in Biological Sciences - Physiology, Federal University of Rio de Janeiro (UFRJ), Rio de Janeiro (RJ), Brazil
| | - Denise Mafra
- Graduate Program in Biological Sciences - Physiology, Federal University of Rio de Janeiro (UFRJ), Rio de Janeiro (RJ), Brazil
- Graduate Program in Nutrition Science, Federal Fluminense University, Niteroi, Rio de Janeiro (RJ), Brazil
- Graduate Program in Medical Science, Federal Fluminense University, Niteroi, Rio de Janeiro (RJ), Brazil
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5
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Lu ZF, Hsu CY, Younis NK, Mustafa MA, Matveeva EA, Al-Juboory YHO, Adil M, Athab ZH, Abdulraheem MN. Exploring the significance of microbiota metabolites in rheumatoid arthritis: uncovering their contribution from disease development to biomarker potential. APMIS 2024; 132:382-415. [PMID: 38469726 DOI: 10.1111/apm.13401] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2023] [Accepted: 02/27/2024] [Indexed: 03/13/2024]
Abstract
Rheumatoid arthritis (RA) is a multifaceted autoimmune disorder characterized by chronic inflammation and joint destruction. Recent research has elucidated the intricate interplay between gut microbiota and RA pathogenesis, underscoring the role of microbiota-derived metabolites as pivotal contributors to disease development and progression. The human gut microbiota, comprising a vast array of microorganisms and their metabolic byproducts, plays a crucial role in maintaining immune homeostasis. Dysbiosis of this microbial community has been linked to numerous autoimmune disorders, including RA. Microbiota-derived metabolites, such as short-chain fatty acids (SCFAs), tryptophan derivatives, Trimethylamine-N-oxide (TMAO), bile acids, peptidoglycan, and lipopolysaccharide (LPS), exhibit immunomodulatory properties that can either exacerbate or ameliorate inflammation in RA. Mechanistically, these metabolites influence immune cell differentiation, cytokine production, and gut barrier integrity, collectively shaping the autoimmune milieu. This review highlights recent advances in understanding the intricate crosstalk between microbiota metabolites and RA pathogenesis and also discusses the potential of specific metabolites to trigger or suppress autoimmunity, shedding light on their molecular interactions with immune cells and signaling pathways. Additionally, this review explores the translational aspects of microbiota metabolites as diagnostic and prognostic tools in RA. Furthermore, the challenges and prospects of translating these findings into clinical practice are critically examined.
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Affiliation(s)
- Zi-Feng Lu
- Heilongjiang Beidahuang Group General Hospital, Heilongjiang, China
| | - Chou-Yi Hsu
- Department of Pharmacy, Chia Nan University of Pharmacy and Science, Tainan, Taiwan
| | | | - Mohammed Ahmed Mustafa
- Department of Medical Laboratory Technology, University of Imam Jaafar AL-Sadiq, Kirkuk, Iraq
| | - Elena A Matveeva
- Department of Orthopaedic Dentistry, I.M. Sechenov First Moscow State Medical University (Sechenov University), Moscow, Russian Federation
| | | | - Mohaned Adil
- Pharmacy College, Al-Farahidi University, Baghdad, Iraq
| | - Zainab H Athab
- Department of Pharmacy, Al-Zahrawi University College, Karbala, Iraq
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6
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Huang Y, Zhang J, Zhang Y, Wang W, Li M, Chen B, Zhang X, Zhang Z, Huang J, Jin Y, Wang H, Zhang X, Yin S, Yang W. Red meat intake, faecal microbiome, serum trimethylamine N-oxide and hepatic steatosis among Chinese adults. Liver Int 2024; 44:1142-1153. [PMID: 38314906 DOI: 10.1111/liv.15860] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/16/2023] [Revised: 01/21/2024] [Accepted: 01/24/2024] [Indexed: 02/07/2024]
Abstract
BACKGROUND AND AIMS Emerging evidence suggests a detrimental impact of high red meat intake on hepatic steatosis. We investigated the potential interplay between red meat intake and gut microbiome on circulating levels of trimethylamine N-oxide (TMAO) and hepatic steatosis risk. METHODS This cross-sectional study was conducted in a representative sample of 754 community-dwelling adults in Huoshan, China. Diet was collected using 4 quarterly 3 consecutive 24-h dietary (12-day) recalls. We profiled faecal microbiome using 16S ribosomal RNA sequencing and quantified serum TMAO and its precursors using LC-tandem MS (n = 333). We detected hepatic steatosis by FibroScan. The adjusted odds ratios (aORs) and 95% confidence intervals (CIs) were calculated using logistic regression. RESULTS TMAO levels but not its precursors were positively associated with the likelihood of hepatic steatosis (aOR per 1-SD increment 1.86, 95% CI 1.04-3.32). We identified 14 bacterial genera whose abundance was associated with TMAO concentration (pFDR < .05) belonging to the phyla Firmicutes, Bacteroidetes, Actinobacteria and Proteobacteria families. Per 10 g/day increase in red meat intake was positively associated with TMAO levels among participants who had higher red meat intake (>70 g/day) and higher TMAO-predicting microbial scores (TMS, β = .045, p = .034), but not among others (pinteraction = .030). TMS significantly modified the positive association between red meat and steatosis (pinteraction = .032), with a stronger association being observed among participants with higher TMS (aOR 1.30, 95% CI 1.07-1.57). CONCLUSIONS The bacterial genera that predicted TMAO levels may jointly modify the association between red meat intake and TMAO levels and the subsequent risk of hepatic steatosis.
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Affiliation(s)
- Yong Huang
- School of Public Health, The First Affiliated Hospital of Anhui Medical University, Anhui Medical University, Hefei, Anhui, China
- Xiangya School of Public Health, Central South University, Changsha, Hunan, China
| | - Jiawei Zhang
- School of Public Health, The First Affiliated Hospital of Anhui Medical University, Anhui Medical University, Hefei, Anhui, China
| | - Yaozong Zhang
- School of Public Health, The First Affiliated Hospital of Anhui Medical University, Anhui Medical University, Hefei, Anhui, China
| | - Wuqi Wang
- School of Public Health, The First Affiliated Hospital of Anhui Medical University, Anhui Medical University, Hefei, Anhui, China
| | - Meiling Li
- School of Public Health, The First Affiliated Hospital of Anhui Medical University, Anhui Medical University, Hefei, Anhui, China
| | - Bo Chen
- School of Public Health, The First Affiliated Hospital of Anhui Medical University, Anhui Medical University, Hefei, Anhui, China
| | - Xiaoyu Zhang
- School of Public Health, The First Affiliated Hospital of Anhui Medical University, Anhui Medical University, Hefei, Anhui, China
| | - Zhuang Zhang
- School of Public Health, The First Affiliated Hospital of Anhui Medical University, Anhui Medical University, Hefei, Anhui, China
| | - Jiaqi Huang
- Xiangya School of Public Health, Central South University, Changsha, Hunan, China
| | - Yong Jin
- School of Public Health, The First Affiliated Hospital of Anhui Medical University, Anhui Medical University, Hefei, Anhui, China
| | - Hua Wang
- School of Public Health, The First Affiliated Hospital of Anhui Medical University, Anhui Medical University, Hefei, Anhui, China
| | - Xuehong Zhang
- Department of Nutrition, Harvard T.H. Chan School of Public Health, Boston, Massachusetts, USA
| | - Shi Yin
- Department of Geriatrics, Division of Life Sciences and Medicine, The First Affiliated Hospital of USTC, University of Science and Technology of China, Hefei, Anhui, China
| | - Wanshui Yang
- School of Public Health, The First Affiliated Hospital of Anhui Medical University, Anhui Medical University, Hefei, Anhui, China
- Xiangya School of Public Health, Central South University, Changsha, Hunan, China
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Liu C, Huang D, Sheng X, Zhu J, Dong S, Chen S, Wang Y, Tang A, Duan R, Yang Z, Bai J, Zheng Y. Integrated physiological, intestinal microbiota, and metabolomic responses of adult zebrafish (Danio rerio) to subacute exposure to antimony at environmentally relevant concentrations. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2024; 277:116326. [PMID: 38640800 DOI: 10.1016/j.ecoenv.2024.116326] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/17/2024] [Revised: 03/30/2024] [Accepted: 04/11/2024] [Indexed: 04/21/2024]
Abstract
The available information regarding the impact of antimony (Sb), a novel environmental pollutant, on the intestinal microbiota and host health is limited. In this study, we conducted physiological characterizations to investigate the response of adult zebrafish to different environmental concentrations (0, 30, 300, and 3000 µg/L) of Sb over a period of 14 days. Biochemical and pathological changes demonstrated that Sb effectively compromised the integrity of the intestinal physical barrier and induced inflammatory responses as well as oxidative stress. Analysis of both intestinal microbial community and metabolome revealed that exposure to 0 and 30 µg/L of Sb resulted in similar microbiota structures; however, exposure to 300 µg/L altered microbial communities' composition (e.g., a decline in genus Cetobacterium and an increase in Vibrio). Furthermore, exposure to 300 µg/L significantly decreased levels of bile acids and glycerophospholipids while triggering intestinal inflammation but activating self-protective mechanisms such as antibiotic presence. Notably, even exposure to 30 µg/L of Sb can trigger dysbiosis of intestinal microbiota and metabolites, potentially impacting fish health through the "microbiota-intestine-brain axis" and contributing to disease initiation. This study provides valuable insights into toxicity-related information concerning environmental impacts of Sb on aquatic organisms with significant implications for developing management strategies.
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Affiliation(s)
- Can Liu
- Hunan University of Humanities, Science and Technology, Loudi, Hunan 417000, China; Hunan Provincial Collaborative Innovation Center for Field Weeds Control, Hunan University of Humanities, Science and Technology, Loudi, Hunan 417000, China
| | - Dongmei Huang
- Hunan University of Humanities, Science and Technology, Loudi, Hunan 417000, China
| | - Xiangquan Sheng
- Hunan University of Humanities, Science and Technology, Loudi, Hunan 417000, China
| | - Jianzhong Zhu
- Hunan University of Humanities, Science and Technology, Loudi, Hunan 417000, China
| | - Si Dong
- Hunan University of Humanities, Science and Technology, Loudi, Hunan 417000, China
| | - Song Chen
- Hunan University of Humanities, Science and Technology, Loudi, Hunan 417000, China
| | - Yaying Wang
- Hunan University of Humanities, Science and Technology, Loudi, Hunan 417000, China
| | - Ao Tang
- Hunan University of Humanities, Science and Technology, Loudi, Hunan 417000, China
| | - Renyan Duan
- Hunan University of Humanities, Science and Technology, Loudi, Hunan 417000, China
| | - Zeliang Yang
- Hunan University of Humanities, Science and Technology, Loudi, Hunan 417000, China
| | - Jing Bai
- Hunan University of Humanities, Science and Technology, Loudi, Hunan 417000, China.
| | - Yu Zheng
- Hunan University of Humanities, Science and Technology, Loudi, Hunan 417000, China; Hunan Provincial Collaborative Innovation Center for Field Weeds Control, Hunan University of Humanities, Science and Technology, Loudi, Hunan 417000, China.
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8
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Hariharan R, Hood L, Price ND. A data-driven approach to improve wellness and reduce recurrence in cancer survivors. Front Oncol 2024; 14:1397008. [PMID: 38665952 PMCID: PMC11044254 DOI: 10.3389/fonc.2024.1397008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2024] [Accepted: 03/26/2024] [Indexed: 04/28/2024] Open
Abstract
For many cancer survivors, toxic side effects of treatment, lingering effects of the aftermath of disease and cancer recurrence adversely affect quality of life (QoL) and reduce healthspan. Data-driven approaches for quantifying and improving wellness in healthy individuals hold great promise for improving the lives of cancer survivors. The data-driven strategy will also guide personalized nutrition and exercise recommendations that may help prevent cancer recurrence and secondary malignancies in survivors.
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Affiliation(s)
- Ramkumar Hariharan
- College of Engineering, Northeastern University, Seattle, WA, United States
- Institute for Experiential Artificial Intelligence, Northeastern University, Boston, MA, United States
| | - Leroy Hood
- Institute for Systems Biology, Seattle, WA, United States
- Buck Institute for Research on Aging, Novato, CA, United States
- Phenome Health, Seattle, WA, United States
| | - Nathan D. Price
- Institute for Systems Biology, Seattle, WA, United States
- Thorne HealthTech, New York, NY, United States
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9
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Huang Q, Hu Z, Zheng Q, Mao X, Lv W, Wu F, Fu D, Lu C, Zeng C, Wang F, Zeng Q, Fang Q, Hood L. A Proactive Intervention Study in Metabolic Syndrome High-Risk Populations Using Phenome-Based Actionable P4 Medicine Strategy. PHENOMICS (CHAM, SWITZERLAND) 2024; 4:91-108. [PMID: 38884061 PMCID: PMC11169348 DOI: 10.1007/s43657-023-00115-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Revised: 06/13/2023] [Accepted: 06/16/2023] [Indexed: 06/18/2024]
Abstract
The integration of predictive, preventive, personalized, and participatory (P4) healthcare advocates proactive intervention, including dietary supplements and lifestyle interventions for chronic disease. Personal profiles include deep phenotypic data and genetic information, which are associated with chronic diseases, can guide proactive intervention. However, little is known about how to design an appropriate intervention mode to precisely intervene with personalized phenome-based data. Here, we report the results of a 3-month study on 350 individuals with metabolic syndrome high-risk that we named the Pioneer 350 Wellness project (P350). We examined: (1) longitudinal (two times) phenotypes covering blood lipids, blood glucose, homocysteine (HCY), and vitamin D3 (VD3), and (2) polymorphism of genes related to folic acid metabolism. Based on personalized data and questionnaires including demographics, diet and exercise habits information, coaches identified 'actionable possibilities', which combined exercise, diet, and dietary supplements. After a 3-month proactive intervention, two-thirds of the phenotypic markers were significantly improved in the P350 cohort. Specifically, we found that dietary supplements and lifestyle interventions have different effects on phenotypic improvement. For example, dietary supplements can result in a rapid recovery of abnormal HCY and VD3 levels, while lifestyle interventions are more suitable for those with high body mass index (BMI), but almost do not help the recovery of HCY. Furthermore, although people who implemented only one of the exercise or diet interventions also benefited, the effect was not as good as the combined exercise and diet interventions. In a subgroup of 226 people, we examined the association between the polymorphism of genes related to folic acid metabolism and the benefits of folate supplementation to restore a normal HCY level. We found people with folic acid metabolism deficiency genes are more likely to benefit from folate supplementation to restore a normal HCY level. Overall, these results suggest: (1) phenome-based data can guide the formulation of more precise and comprehensive interventions, and (2) genetic polymorphism impacts clinical responses to interventions. Notably, we provide a proactive intervention example that is operable in daily life, allowing people with different phenome-based data to design the appropriate intervention protocol including dietary supplements and lifestyle interventions. Supplementary Information The online version contains supplementary material available at 10.1007/s43657-023-00115-z.
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Affiliation(s)
- Qiongrong Huang
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, CAS Key Laboratory of Standardization and Measurement for Nanotechnology, National Center for Nanoscience and Technology, CAS Center for Excellence in Nanoscience, Beijing, 100190 China
- University of Chinese Academy of Sciences, No. 19A Yuquan Road, Beijing, 100049 China
| | - Zhiyuan Hu
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, CAS Key Laboratory of Standardization and Measurement for Nanotechnology, National Center for Nanoscience and Technology, CAS Center for Excellence in Nanoscience, Beijing, 100190 China
- University of Chinese Academy of Sciences, No. 19A Yuquan Road, Beijing, 100049 China
- Beijing P4 Healthcare Institute, 316 Wanfeng Road, Beijing, 100161 China
- Health Management Institute, The Second Medical Center, National Clinical Research Center for Geriatric Diseases, Chinese People's Liberation Army (PLA) General Hospital, 28 Fuxing Road, Beijing, 100853 China
- School of Nanoscience and Technology, Sino-Danish College, University of Chinese Academy of Sciences, Beijing, 100049 China
- Fujian Provincial Key Laboratory of Brain Aging and Neurodegenerative Diseases, School of Basic Medical Sciences, Fujian Medical University, Fuzhou, 350108 Fujian China
- School of Chemical Engineering and Pharmacy, Wuhan Institute of Technology, Wuhan, 430205 Hubei China
| | - Qiwen Zheng
- CAS Key Laboratory of Genomic and Precision Medicine, Beijing Institute of Genomics, Chinese Academy of Sciences and China National Center for Bioinformation, Beijing, 100101 China
| | - Xuemei Mao
- Beijing P4 Healthcare Institute, 316 Wanfeng Road, Beijing, 100161 China
| | - Wenxi Lv
- Beijing P4 Healthcare Institute, 316 Wanfeng Road, Beijing, 100161 China
| | - Fei Wu
- Beijing P4 Healthcare Institute, 316 Wanfeng Road, Beijing, 100161 China
| | - Dapeng Fu
- Beijing Zhongguancun Hospital, No. 12, Zhongguancun South Road, Haidian District, Beijing, 100190 China
| | - Cuihong Lu
- Beijing Zhongguancun Hospital, No. 12, Zhongguancun South Road, Haidian District, Beijing, 100190 China
| | - Changqing Zeng
- CAS Key Laboratory of Genomic and Precision Medicine, Beijing Institute of Genomics, Chinese Academy of Sciences and China National Center for Bioinformation, Beijing, 100101 China
| | - Fei Wang
- Health Management Institute, The Second Medical Center, National Clinical Research Center for Geriatric Diseases, Chinese People's Liberation Army (PLA) General Hospital, 28 Fuxing Road, Beijing, 100853 China
| | - Qiang Zeng
- Health Management Institute, The Second Medical Center, National Clinical Research Center for Geriatric Diseases, Chinese People's Liberation Army (PLA) General Hospital, 28 Fuxing Road, Beijing, 100853 China
| | - Qiaojun Fang
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, CAS Key Laboratory of Standardization and Measurement for Nanotechnology, National Center for Nanoscience and Technology, CAS Center for Excellence in Nanoscience, Beijing, 100190 China
- University of Chinese Academy of Sciences, No. 19A Yuquan Road, Beijing, 100049 China
- School of Nanoscience and Technology, Sino-Danish College, University of Chinese Academy of Sciences, Beijing, 100049 China
| | - Leroy Hood
- Health Management Institute, The Second Medical Center, National Clinical Research Center for Geriatric Diseases, Chinese People's Liberation Army (PLA) General Hospital, 28 Fuxing Road, Beijing, 100853 China
- Institute for Systems Biology, Seattle, WA 98109 USA
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Johnson-Martínez JP, Diener C, Levine AE, Wilmanski T, Suskind DL, Ralevski A, Hadlock J, Magis AT, Hood L, Rappaport N, Gibbons SM. Generally-healthy individuals with aberrant bowel movement frequencies show enrichment for microbially-derived blood metabolites associated with reduced kidney function. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2023.03.04.531100. [PMID: 36945445 PMCID: PMC10028848 DOI: 10.1101/2023.03.04.531100] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/11/2023]
Abstract
Bowel movement frequency (BMF) has been linked to changes in the composition of the human gut microbiome and to many chronic conditions, like metabolic disorders, neurodegenerative diseases, chronic kidney disease (CKD), and other intestinal pathologies like irritable bowel syndrome and inflammatory bowel disease. Lower BMF (constipation) can lead to compromised intestinal barrier integrity and a switch from saccharolytic to proteolytic fermentation within the microbiota, giving rise to microbially-derived toxins that may make their way into circulation and cause damage to organ systems. However, the connections between BMF, gut microbial metabolism, and the early-stage development and progression of chronic disease remain underexplored. Here, we examined the phenotypic impact of BMF variation in a cohort of generally-healthy, community dwelling adults with detailed clinical, lifestyle, and multi-omic data. We showed significant differences in microbially-derived blood plasma metabolites, gut bacterial genera, clinical chemistries, and lifestyle factors across BMF groups that have been linked to inflammation, cardiometabolic health, liver function, and CKD severity and progression. We found that the higher plasma levels of 3-indoxyl sulfate (3-IS), a microbially-derived metabolite associated with constipation, was in turn negatively associated with estimated glomerular filtration rate (eGFR), a measure of kidney function. Causal mediation analysis revealed that the effect of BMF on eGFR was significantly mediated by 3-IS. Finally, we identify self-reported diet, lifestyle, and psychological factors associated with BMF variation, which indicate several common-sense strategies for mitigating constipation and diarrhea. Overall, we suggest that aberrant BMF is an underappreciated risk factor in the development of chronic diseases, even in otherwise healthy populations.
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Affiliation(s)
- Johannes P. Johnson-Martínez
- Institute for Systems Biology, Seattle, WA 98109, USA
- Department of Bioengineering, University of Washington, Seattle, WA 98195, USA
| | | | - Anne E. Levine
- Institute for Systems Biology, Seattle, WA 98109, USA
- Seattle Children’s Hospital, Seattle, WA 98105, USA
| | | | | | | | | | | | - Leroy Hood
- Institute for Systems Biology, Seattle, WA 98109, USA
- Department of Bioengineering, University of Washington, Seattle, WA 98195, USA
- Phenome Health, Seattle, WA 98109
- Department of Immunology, University of Washington, Seattle, WA 98195, USA
- Paul G. Allen School of Computer Science & Engineering, University of Washington, Seattle, WA 98195, USA
| | - Noa Rappaport
- Institute for Systems Biology, Seattle, WA 98109, USA
| | - Sean M. Gibbons
- Institute for Systems Biology, Seattle, WA 98109, USA
- Department of Bioengineering, University of Washington, Seattle, WA 98195, USA
- Department of Genome Sciences, University of Washington, Seattle, WA 98195, USA
- eScience Institute, University of Washington, Seattle, WA 98195, USA
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11
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Cox LM, Tatematsu BK, Guo L, LeServe DS, Mayrink J, Oliveira MG, Donnelly D, Fonseca RC, Lemos L, Lanser TB, Rosa AC, Lopes JR, Schwerdtfeger LA, Ribeiro GFC, Lobo ELC, Moreira TG, Oliveira AG, Weiner HL, Rezende RM. Gamma-delta T cells suppress microbial metabolites that activate striatal neurons and induce repetitive/compulsive behavior in mice. Brain Behav Immun 2024; 117:242-254. [PMID: 38281671 DOI: 10.1016/j.bbi.2024.01.214] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/25/2023] [Revised: 12/01/2023] [Accepted: 01/18/2024] [Indexed: 01/30/2024] Open
Abstract
Intestinal γδ T cells play an important role in shaping the gut microbiota, which is critical not only for maintaining intestinal homeostasis but also for controlling brain function and behavior. Here, we found that mice deficient for γδ T cells (γδ-/-) developed an abnormal pattern of repetitive/compulsive (R/C) behavior, which was dependent on the gut microbiota. Colonization of WT mice with γδ-/- microbiota induced R/C behavior whereas colonization of γδ-/- mice with WT microbiota abolished the R/C behavior. Moreover, γδ-/- mice had elevated levels of the microbial metabolite 3-phenylpropanoic acid in their cecum, which is a precursor to hippurate (HIP), a metabolite we found to be elevated in the CSF. HIP reaches the striatum and activates dopamine type 1 (D1R)-expressing neurons, leading to R/C behavior. Altogether, these data suggest that intestinal γδ T cells shape the gut microbiota and their metabolites and prevent dysfunctions of the striatum associated with behavior modulation.
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Affiliation(s)
- Laura M Cox
- Ann Romney Center for Neurologic Diseases, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Bruna K Tatematsu
- Ann Romney Center for Neurologic Diseases, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Lydia Guo
- Ann Romney Center for Neurologic Diseases, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Danielle S LeServe
- Ann Romney Center for Neurologic Diseases, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Julia Mayrink
- Ann Romney Center for Neurologic Diseases, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Marilia G Oliveira
- Ann Romney Center for Neurologic Diseases, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Dustin Donnelly
- Ann Romney Center for Neurologic Diseases, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Roberta C Fonseca
- Ann Romney Center for Neurologic Diseases, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Luisa Lemos
- Ann Romney Center for Neurologic Diseases, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Toby B Lanser
- Ann Romney Center for Neurologic Diseases, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Ana C Rosa
- Ann Romney Center for Neurologic Diseases, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Juliana R Lopes
- Ann Romney Center for Neurologic Diseases, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Luke A Schwerdtfeger
- Ann Romney Center for Neurologic Diseases, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Gabriela F C Ribeiro
- Ann Romney Center for Neurologic Diseases, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Eduardo L C Lobo
- Ann Romney Center for Neurologic Diseases, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Thais G Moreira
- Ann Romney Center for Neurologic Diseases, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Andre G Oliveira
- Department of Biophysics and Physiology, Biologic Institutes of Sciences, Federal University of Minas Gerais, Brazil
| | - Howard L Weiner
- Ann Romney Center for Neurologic Diseases, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Rafael M Rezende
- Ann Romney Center for Neurologic Diseases, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA.
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12
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Ye W, Fan J, Wu W, Chen Z, Huang Q, Qian L. Effects of fecal microbiota transplantation on metabolic health of DBA mice. Front Microbiol 2024; 15:1352555. [PMID: 38444807 PMCID: PMC10912182 DOI: 10.3389/fmicb.2024.1352555] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2023] [Accepted: 01/31/2024] [Indexed: 03/07/2024] Open
Abstract
Introduction Numerous studies have demonstrated that C57BL/6 mice exhibit superior growth rates and overall growth performance compared to DBA mice. To investigate whether this discrepancy in growth performance is linked to the composition of gut microorganisms, we conducted fecal microbiome transplantation (FMT) experiments. Methods Specifically, we transplanted fecal fluids from adult C57BL/6 mice, high-fat C57BL/6 mice, and Wistar rats into weaned DBA mice (0.2mL/d), and subsequently analyzed their gut contents and gene expression through 16S rRNA sequencing and transcriptome sequencing. During the test period, C57BL/6 mice and Wistar rats were provided with a normal diet, and high-fat C57BL/6 mice were provided with a high-fat diet. Results The results of our study revealed that mice receiving FMT from all three donor groups exhibited significantly higher daily weight gain and serum triglyceride (TG) levels compared to mice of CK group. 16S rRNA sequensing unveiled substantial differences in the abundance and function of the gut microbiota between the FMT groups and the CK group. Transcriptome analysis revealed a total of 988 differential genes, consisting of 759 up-regulated genes and 187 down-regulated genes, between the three experimental groups and the CK group. Functional Gene Ontology (GO) annotation suggested that these genes were primarily linked to lipid metabolism, coagulation, and immunity. Pearson correlation analysis was performed on the differential genes and clusters, and it revealed significant correlations, mainly related to processes such as fatty acid metabolism, fat digestion and absorption, and cholesterol metabolism. Discussion In summary, FMT from dominant strains improved the growth performance of DBA mice, including body weight gain, institutional growth, and immune performance. This change may be due to the increase of probiotic content in the intestinal tract by FMT and subsequent alteration of intestinal gene expression. However, the effects of cross-species fecal transplantation on the intestinal flora and gene expression of recipient mice were not significant.
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Affiliation(s)
- Wenxin Ye
- Key Laboratory of Animal Nutrition and Feed Science in East China, Ministry of Agriculture, College of Animal Sciences, Zhejiang University, Hangzhou, China
| | - Jinghui Fan
- Hangzhou Academy of Agricultural Sciences, Hangzhou, China
| | - Wenzi Wu
- Hainan Institute of Zhejiang University, Sanya, China
| | - Zhuo Chen
- Hainan Institute of Zhejiang University, Sanya, China
| | - Qixin Huang
- Key Laboratory of Animal Nutrition and Feed Science in East China, Ministry of Agriculture, College of Animal Sciences, Zhejiang University, Hangzhou, China
| | - Lichun Qian
- Key Laboratory of Animal Nutrition and Feed Science in East China, Ministry of Agriculture, College of Animal Sciences, Zhejiang University, Hangzhou, China
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13
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Shahjahan, Dey JK, Dey SK. Translational bioinformatics approach to combat cardiovascular disease and cancers. ADVANCES IN PROTEIN CHEMISTRY AND STRUCTURAL BIOLOGY 2024; 139:221-261. [PMID: 38448136 DOI: 10.1016/bs.apcsb.2023.11.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/08/2024]
Abstract
Bioinformatics is an interconnected subject of science dealing with diverse fields including biology, chemistry, physics, statistics, mathematics, and computer science as the key fields to answer complicated physiological problems. Key intention of bioinformatics is to store, analyze, organize, and retrieve essential information about genome, proteome, transcriptome, metabolome, as well as organisms to investigate the biological system along with its dynamics, if any. The outcome of bioinformatics depends on the type, quantity, and quality of the raw data provided and the algorithm employed to analyze the same. Despite several approved medicines available, cardiovascular disorders (CVDs) and cancers comprises of the two leading causes of human deaths. Understanding the unknown facts of both these non-communicable disorders is inevitable to discover new pathways, find new drug targets, and eventually newer drugs to combat them successfully. Since, all these goals involve complex investigation and handling of various types of macro- and small- molecules of the human body, bioinformatics plays a key role in such processes. Results from such investigation has direct human application and thus we call this filed as translational bioinformatics. Current book chapter thus deals with diverse scope and applications of this translational bioinformatics to find cure, diagnosis, and understanding the mechanisms of CVDs and cancers. Developing complex yet small or long algorithms to address such problems is very common in translational bioinformatics. Structure-based drug discovery or AI-guided invention of novel antibodies that too with super-high accuracy, speed, and involvement of considerably low amount of investment are some of the astonishing features of the translational bioinformatics and its applications in the fields of CVDs and cancers.
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Affiliation(s)
- Shahjahan
- Laboratory for Structural Biology of Membrane Proteins, Dr. B.R. Ambedkar Center for Biomedical Research, University of Delhi, Delhi, India
| | - Joy Kumar Dey
- Central Council for Research in Homoeopathy, Ministry of Ayush, Govt. of India, New Delhi, Delhi, India
| | - Sanjay Kumar Dey
- Laboratory for Structural Biology of Membrane Proteins, Dr. B.R. Ambedkar Center for Biomedical Research, University of Delhi, Delhi, India.
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Takhrifa N, Taik FZ, Berrichi I, Adnine A, Abourazzak FE. Diets and Joint Symptoms: A Survey of Moroccan Patients With Chronic Inflammatory Rheumatic Disease. Cureus 2024; 16:e53868. [PMID: 38465070 PMCID: PMC10924651 DOI: 10.7759/cureus.53868] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/08/2024] [Indexed: 03/12/2024] Open
Abstract
Introduction The role of diet in the onset or aggravation of chronic diseases, especially chronic inflammatory rheumatic disease (CIRD), such as rheumatoid arthritis (RA) or spondyloarthritis (SpA), is a question frequently asked by patients. Our study aims to investigate whether Moroccan patients report a relationship between certain diets and disease symptoms and to study whether patients adopt specific dietary behaviours in order to relieve their symptoms. Methods This is a cross-sectional survey that included all patients followed for CIRD. The questionnaire has three parts, patients' sociodemographic and clinical data, patients' beliefs and attitudes regarding diet in relation to their joint symptoms, and a list of 24 foods for which patients were asked to indicate whether they aggravate, improve, or leave their joint symptoms unchanged. Results Thirty-four percent of the patients reported that the food had an effect on their symptoms, with 25% of them reporting an aggravation. Honey, garlic, and olive oil were the foods most often reported to improve joint symptoms, while red meat, fish, and legumes were most often reported to worsen symptoms. Age and type of rheumatism were factors associated with reporting that food affects joint symptoms. Twenty-three percent of the patients stated that they had already had discussions about diet with their rheumatologists, while 85.7% showed interest in such discussions. Experience with a food that improves joint symptoms was the only factor associated with discussing the diet with a rheumatologist. Conclusion Nearly one-third of the patients with CIRD reported an effect of diet on their joint symptoms.
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Affiliation(s)
- Nihad Takhrifa
- Rheumatology, Mohammed VI University Hospital Center of Tangier, Tangier, MAR
| | - Fatima Zahrae Taik
- Rheumatology, Mohammed VI University Hospital Center of Tangier, Tangier, MAR
| | - Imane Berrichi
- Rheumatology, Mohammed VI University Hospital Center of Tangier, Tangier, MAR
| | - Anass Adnine
- Rheumatology, Mohammed VI University Hospital Center of Tangier, Tangier, MAR
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Jiang S, Yu C, Lv B, He S, Zheng Y, Yang W, Wang B, Li D, Lin J. Two-sample Mendelian randomization to study the causal association between gut microbiota and atherosclerosis. Front Immunol 2024; 14:1282072. [PMID: 38283337 PMCID: PMC10811052 DOI: 10.3389/fimmu.2023.1282072] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2023] [Accepted: 12/27/2023] [Indexed: 01/30/2024] Open
Abstract
Background According to some recent observational studies, the gut microbiota influences atherosclerosis via the gut microbiota-artery axis. However, the causal role of the gut microbiota in atherosclerosis remains unclear. Therefore, we used a Mendelian randomization (MR) strategy to try to dissect this causative link. Methods The biggest known genome-wide association study (GWAS) (n = 13,266) from the MiBioGen collaboration was used to provide summary data on the gut microbiota for a two-sample MR research. Data on atherosclerosis were obtained from publicly available GWAS data from the FinnGen consortium, including cerebral atherosclerosis (104 cases and 218,688 controls), coronary atherosclerosis (23,363 cases and 187,840 controls), and peripheral atherosclerosis (6631 cases and 162,201 controls). The causal link between gut microbiota and atherosclerosis was investigated using inverse variance weighting, MR-Egger, weighted median, weighted mode, and simple mode approaches, among which inverse variance weighting was the main research method. Cochran's Q statistic was used to quantify the heterogeneity of instrumental variables (IVs), and the MR Egger intercept test was used to assess the pleiotropy of IVs. Results Inverse-variance-weighted (IVW) estimation showed that genus Ruminiclostridium 9 had a protective influence on cerebral atherosclerosis (OR = 0.10, 95% CI: 0.01-0.67, P = 0.018), while family Rikenellaceae (OR = 5.39, 95% CI: 1.50-19.37, P = 0.010), family Streptococcaceae (OR = 6.87, 95% CI: 1.60-29.49, P = 0.010), genus Paraprevotella (OR = 2.88, 95% CI: 1.18-7.05, P = 0.021), and genus Streptococcus (OR = 5.26, 95% CI: 1.28-21.61, P = 0.021) had pathogenic effects on cerebral atherosclerosis. For family Acidaminococcaceae (OR = 0.87, 95% CI: 0.76-0.99, P = 0.039), the genus Desulfovibrio (OR = 0.89, 95% CI: 0.80-1.00, P = 0.048), the genus RuminococcaceaeUCG010 (OR = 0.80, 95% CI: 0.69-0.94, P = 0.006), and the Firmicutes phyla (OR = 0.87, 95% CI: 0.77-0.98, P = 0.023) were protective against coronary atherosclerosis. However, the genus Catenibacterium (OR = 1.12, 95% CI: 1.00-1.24, P = 0.049) had a pathogenic effect on coronary atherosclerosis. Finally, class Actinobacteria (OR = 0.83, 95% CI: 0.69-0.99, P = 0.036), family Acidaminococcaceae (OR = 0.76, 95% CI: 0.61-0.94, P = 0.013), genus Coprococcus2 (OR = 0.76, 95% CI: 0.60-0.96, P = 0.022), and genus RuminococcaceaeUCG010 (OR = 0.65, 95% CI: 0.46-0.92, P = 0.013), these four microbiota have a protective effect on peripheral atherosclerosis. However, for the genus Lachnoclostridium (OR = 1.25, 95% CI: 1.01-1.56, P = 0.040) and the genus LachnospiraceaeUCG001 (OR = 1.22, 95% CI: 1.04-1.42, P = 0.016), there is a pathogenic role for peripheral atherosclerosis. No heterogeneity was found for instrumental variables, and no considerable horizontal pleiotropy was observed. Conclusion We discovered that the presence of probiotics and pathogens in the host is causally associated with atherosclerosis, and atherosclerosis at different sites is causally linked to specific gut microbiota. The specific gut microbiota associated with atherosclerosis identified by Mendelian randomization studies provides precise clinical targets for the treatment of atherosclerosis. In the future, we can further examine the gut microbiota's therapeutic potential for atherosclerosis if we have a better grasp of the causal relationship between it and atherosclerosis.
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Affiliation(s)
- Shijiu Jiang
- Department of Cardiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Hubei Key Laboratory of Biological Targeted Therapy, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Hubei Provincial Engineering Research Center of Immunological Diagnosis and Therapy for Cardiovascular Diseases, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Department of Cardiology, The First Affiliated Hospital, Shihezi University, Shihezi, China
| | - Cheng Yu
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Bingjie Lv
- Department of Cardiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Hubei Key Laboratory of Biological Targeted Therapy, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Hubei Provincial Engineering Research Center of Immunological Diagnosis and Therapy for Cardiovascular Diseases, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Shaolin He
- Department of Cardiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Hubei Key Laboratory of Biological Targeted Therapy, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Hubei Provincial Engineering Research Center of Immunological Diagnosis and Therapy for Cardiovascular Diseases, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yuqi Zheng
- Department of Cardiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Hubei Key Laboratory of Biological Targeted Therapy, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Hubei Provincial Engineering Research Center of Immunological Diagnosis and Therapy for Cardiovascular Diseases, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Wenling Yang
- Department of Cardiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Hubei Key Laboratory of Biological Targeted Therapy, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Hubei Provincial Engineering Research Center of Immunological Diagnosis and Therapy for Cardiovascular Diseases, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Boyuan Wang
- Department of Cardiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Hubei Key Laboratory of Biological Targeted Therapy, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Hubei Provincial Engineering Research Center of Immunological Diagnosis and Therapy for Cardiovascular Diseases, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Dazhu Li
- Department of Cardiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Hubei Key Laboratory of Biological Targeted Therapy, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Hubei Provincial Engineering Research Center of Immunological Diagnosis and Therapy for Cardiovascular Diseases, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jibin Lin
- Department of Cardiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Hubei Key Laboratory of Biological Targeted Therapy, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Hubei Provincial Engineering Research Center of Immunological Diagnosis and Therapy for Cardiovascular Diseases, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
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Liu L, Xu H, Wang J, Wang H, Ren S, Huang Q, Zhang M, Zhou H, Yang C, Jia L, Huang Y, Zhang H, Tao Y, Li Y, Min Y. Trimethylamine-N-oxide (TMAO) and basic fibroblast growth factor (bFGF) are possibly involved in corticosteroid resistance in adult patients with immune thrombocytopenia. Thromb Res 2024; 233:25-36. [PMID: 37988847 DOI: 10.1016/j.thromres.2023.11.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2023] [Revised: 10/22/2023] [Accepted: 11/02/2023] [Indexed: 11/23/2023]
Abstract
PURPOSE Immune thrombocytopenia (ITP) is an autoimmune disease characterized by accelerated platelet clearance. Gut dysbiosis was associated with its pathogenesis, but the underlying mechanisms have not been fully elucidated. Patients with ITP exhibit varying degrees of responsiveness to corticosteroid treatment. Therefore, prognostic indexes for corticosteroid responsiveness in ITP could offer valuable guidance for clinical practices. METHODS The present study examined the signature of six types of gut-microbiota metabolites and forty-eight types of cytokines, chemokines, and growth factors and their clinical significance in patients with ITP. RESULTS Both patients with good and poor corticosteroid responsiveness exhibited significantly elevated/suppressed secretion of twenty-two cyto(chemo)kins/growth factors in comparison to healthy controls. Additionally, patients with ITP demonstrated a significant decrease in plasma levels of trimethylamine-N-oxide (TMAO), which was found to be negatively correlated to circulating platelet counts, and positively correlated with Interleukin (IL)-1β and IL-18. Notably, patients who exhibited poor response to corticosteroid treatment displayed elevated levels of TMAO and basic fibroblast growth factor (bFGF) in comparison to responders. Additionally, we found that the amalgamation of TMAO, bFGF and interleukin (IL)-13 could serve as a valuable prognostic tool for predicting CS responsiveness. CONCLUSION Patients with ITP were characterized overall by an imbalanced secretion of cyto(cheo)kins/growth factors and inadequate levels of TMAO. The varying degrees of responsiveness to corticosteroid treatment can be attributed to different profiles of basic FGF and TMAO that might be related to overburdened oxidative stress and inflammasome overactivation, and ultimately mediate corticosteroid resistance.
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Affiliation(s)
- Lei Liu
- Department of Hematology, Affiliated Hospital of Jining Medical University, Jining, China
| | - Huifang Xu
- Department of Clinical Medicine, Jining Medical University, Jining, China; Department of Pediatric Hematology, Affiliated Hospital of Jining Medical University, Jining, China
| | - Jian Wang
- Department of Hematology, Affiliated Hospital of Jining Medical University, Jining, China
| | - Haiyan Wang
- Department of Hematology, Affiliated Hospital of Jining Medical University, Jining, China
| | - Saisai Ren
- Department of Hematology, Affiliated Hospital of Jining Medical University, Jining, China
| | - Qian Huang
- Department of Hematology, Affiliated Hospital of Jining Medical University, Jining, China
| | - Mingyan Zhang
- Department of Hematology, Affiliated Hospital of Jining Medical University, Jining, China
| | - Hui Zhou
- Department of Hematology, Affiliated Hospital of Jining Medical University, Jining, China
| | - Chunyan Yang
- Department of Hematology, Affiliated Hospital of Jining Medical University, Jining, China
| | - Lu Jia
- Department of Hematology, Affiliated Hospital of Jining Medical University, Jining, China
| | - Yu Huang
- Department of Hematology, Affiliated Hospital of Jining Medical University, Jining, China
| | - Hao Zhang
- Department of Hematology, Affiliated Hospital of Jining Medical University, Jining, China
| | - Yanling Tao
- Department of Pediatric Hematology, Affiliated Hospital of Jining Medical University, Jining, China
| | - Ying Li
- Department of Pediatric Hematology, Affiliated Hospital of Jining Medical University, Jining, China.
| | - Yanan Min
- Department of Hematology, Affiliated Hospital of Jining Medical University, Jining, China; Shandong University of Traditional Chinese Medicine, Jinan, China.
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Liu X, Wang X, Zhang P, Fang Y, Liu Y, Ding Y, Zhang W. Intestinal homeostasis in the gut-lung-kidney axis: a prospective therapeutic target in immune-related chronic kidney diseases. Front Immunol 2023; 14:1266792. [PMID: 38022571 PMCID: PMC10646503 DOI: 10.3389/fimmu.2023.1266792] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2023] [Accepted: 10/17/2023] [Indexed: 12/01/2023] Open
Abstract
In recent years, the role of intestinal homeostasis in health has received increasing interest, significantly improving our understanding of the complex pathophysiological interactions of the gut with other organs. Microbiota dysbiosis, impaired intestinal barrier, and aberrant intestinal immunity appear to contribute to the pathogenesis of immune-related chronic kidney diseases (CKD). Meanwhile, the relationship between the pathological changes in the respiratory tract (e.g., infection, fibrosis, granuloma) and immune-related CKD cannot be ignored. The present review aimed to elucidate the new underlying mechanism of immune-related CKD. The lungs may affect kidney function through intestinal mediation. Communication is believed to exist between the gut and lung microbiota across long physiological distances. Following the inhalation of various pathogenic factors (e.g., particulate matter 2.5 mum or less in diameter, pathogen) in the air through the mouth and nose, considering the anatomical connection between the nasopharynx and lungs, gut microbiome regulates oxidative stress and inflammatory states in the lungs and kidneys. Meanwhile, the intestine participates in the differentiation of T cells and promotes the migration of various immune cells to specific organs. This better explain the occurrence and progression of CKD caused by upper respiratory tract precursor infection and suggests the relationship between the lungs and kidney complications in some autoimmune diseases (e.g., anti-neutrophil cytoplasm antibodies -associated vasculitis, systemic lupus erythematosus). CKD can also affect the progression of lung diseases (e.g., acute respiratory distress syndrome and chronic obstructive pulmonary disease). We conclude that damage to the gut barrier appears to contribute to the development of immune-related CKD through gut-lung-kidney interplay, leading us to establish the gut-lung-kidney axis hypothesis. Further, we discuss possible therapeutic interventions and targets. For example, using prebiotics, probiotics, and laxatives (e.g., Rhubarb officinale) to regulate the gut ecology to alleviate oxidative stress, as well as improve the local immune system of the intestine and immune communication with the lungs and kidneys.
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Affiliation(s)
- Xinyin Liu
- Department of Nephrology, The First Affiliated Hospital of Zhejiang Chinese Medical University (Zhejiang Provincial Hospital of Chinese Medicine), Hangzhou, China
- Department of Traditional Chinese Medicine, Jiande First People’s Hospital, Jiande, Hangzhou, China
| | - Xiaoran Wang
- Department of Nephrology, The First People’s Hospital of Hangzhou Lin’an District, Hangzhou, China
| | - Peipei Zhang
- Department of Nephrology, The First Affiliated Hospital of Zhejiang Chinese Medical University (Zhejiang Provincial Hospital of Chinese Medicine), Hangzhou, China
| | - Yiwen Fang
- The First Clinical Medical College, Zhejiang Chinese Medical University, Hangzhou, China
| | - Yanyan Liu
- Department of Geriatric, Zhejiang Aged Care Hospital, Hangzhou, China
| | - Yueyue Ding
- Department of Geriatric, Tongde Hospital of Zhejiang Province, Hangzhou, China
| | - Wen Zhang
- Department of Nephrology, The First Affiliated Hospital of Zhejiang Chinese Medical University (Zhejiang Provincial Hospital of Chinese Medicine), Hangzhou, China
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18
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Huang S, Lim SY, Tan SH, Chan MY, Ni W, Li SFY. Targeted Plasma Metabolomics Reveals Association of Acute Myocardial Infarction Risk with the Dynamic Balance between Trimethylamine- N-oxide, Betaine, and Choline. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2023; 71:15097-15105. [PMID: 37781984 DOI: 10.1021/acs.jafc.2c08241] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/03/2023]
Abstract
The relationship between trimethylamine-N-oxide (TMAO), betaine, and choline with acute myocardial infarction (AMI) end point remains unclear. We analyzed plasma TMAO, betaine, and choline concentrations in AMI cases and non-AMI community-dwelling controls by LC-MS/MS to understand how the balance between these metabolites helps to reduce AMI risk. Results showed that the odds ratio (OR) for the highest versus lowest quartiles of betaine was 0.30 (95% CI, 0.10-0.82) after adjustment for AMI risk factors, and the unadjusted OR for quartile 3 versus quartile 1 of TMAO was 2.47 (95% CI, 1.02-6.17) (p < 0.05). The study populations with "high betaine + low TMAO" had a significant protective effect concerning AMI with a multivariable-adjusted OR of 0.20 (95% CI, 0.07-0.55) (p < 0.01). Multivariate linear regression showed that the chronological age was correlated with TMAO concentrations among AMI patients (95% CI, 0.05-3.24, p < 0.01) but not among the controls. This implies a further potential interplay between age and metabolite combination─AMI risk association.
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Affiliation(s)
- Shan Huang
- State Key Laboratory of Tea Plant Biology and Utilization, Key Laboratory of Tea Biology and Tea Processing of Ministry of Agriculture and Rural Affairs, International Joint Research Laboratory of Tea Chemistry and Health Effects of Ministry of Education, Anhui Provincial Laboratory, Anhui Agricultural University, Hefei, Anhui 230036, China
- College of Environmental and Resource Sciences, Zhejiang Provincial Key Laboratory of Agricultural Resources and Environment, Zhejiang University, Hangzhou, Zhejiang 310058, China
- Department of Chemistry, National University of Singapore (NUS), 3 Science Drive 3, Singapore 117543, Singapore
| | - Si Ying Lim
- Department of Chemistry, National University of Singapore (NUS), 3 Science Drive 3, Singapore 117543, Singapore
- Integrative Sciences & Engineering Programme, NUS Graduate School, University Hall, Tan Chin Tuan Wing, Singapore 119077, Singapore
| | - Sock Hwee Tan
- Cardiovascular Research Institute, Yong Loo Lin School of Medicine, NUS, Singapore 117599, Singapore
| | - Mark Y Chan
- Cardiovascular Research Institute, Yong Loo Lin School of Medicine, NUS, Singapore 117599, Singapore
| | - Wuzhong Ni
- College of Environmental and Resource Sciences, Zhejiang Provincial Key Laboratory of Agricultural Resources and Environment, Zhejiang University, Hangzhou, Zhejiang 310058, China
| | - Sam Fong Yau Li
- Department of Chemistry, National University of Singapore (NUS), 3 Science Drive 3, Singapore 117543, Singapore
- Integrative Sciences & Engineering Programme, NUS Graduate School, University Hall, Tan Chin Tuan Wing, Singapore 119077, Singapore
- NUS Environmental Research Institute (NERI), #02-01, T-Lab Building, 5A Engineering Drive 1, Singapore 117411, Singapore
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19
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Andrikopoulos P, Aron-Wisnewsky J, Chakaroun R, Myridakis A, Forslund SK, Nielsen T, Adriouch S, Holmes B, Chilloux J, Vieira-Silva S, Falony G, Salem JE, Andreelli F, Belda E, Kieswich J, Chechi K, Puig-Castellvi F, Chevalier M, Le Chatelier E, Olanipekun MT, Hoyles L, Alves R, Helft G, Isnard R, Køber L, Coelho LP, Rouault C, Gauguier D, Gøtze JP, Prifti E, Froguel P, Zucker JD, Bäckhed F, Vestergaard H, Hansen T, Oppert JM, Blüher M, Nielsen J, Raes J, Bork P, Yaqoob MM, Stumvoll M, Pedersen O, Ehrlich SD, Clément K, Dumas ME. Evidence of a causal and modifiable relationship between kidney function and circulating trimethylamine N-oxide. Nat Commun 2023; 14:5843. [PMID: 37730687 PMCID: PMC10511707 DOI: 10.1038/s41467-023-39824-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2022] [Accepted: 06/30/2023] [Indexed: 09/22/2023] Open
Abstract
The host-microbiota co-metabolite trimethylamine N-oxide (TMAO) is linked to increased cardiovascular risk but how its circulating levels are regulated remains unclear. We applied "explainable" machine learning, univariate, multivariate and mediation analyses of fasting plasma TMAO concentration and a multitude of phenotypes in 1,741 adult Europeans of the MetaCardis study. Here we show that next to age, kidney function is the primary variable predicting circulating TMAO, with microbiota composition and diet playing minor, albeit significant, roles. Mediation analysis suggests a causal relationship between TMAO and kidney function that we corroborate in preclinical models where TMAO exposure increases kidney scarring. Consistent with our findings, patients receiving glucose-lowering drugs with reno-protective properties have significantly lower circulating TMAO when compared to propensity-score matched control individuals. Our analyses uncover a bidirectional relationship between kidney function and TMAO that can potentially be modified by reno-protective anti-diabetic drugs and suggest a clinically actionable intervention for decreasing TMAO-associated excess cardiovascular risk.
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Affiliation(s)
- Petros Andrikopoulos
- Section of Biomolecular Medicine, Department of Metabolism, Digestion and Reproduction, Imperial College London, London, UK.
- Section of Genomic & Environmental Medicine, National Heart & Lung Institute, Imperial College London, London, UK.
| | - Judith Aron-Wisnewsky
- Sorbonne Université, INSERM, Nutrition and obesities; systemic approaches (NutriOmics), Paris, France
- Assistance Publique Hôpitaux de Paris, Pitie-Salpêtrière Hospital, Paris, France
| | - Rima Chakaroun
- Medical Department III-Endocrinology, Nephrology, Rheumatology, University of Leipzig Medical Center, Leipzig, Germany
- The Wallenberg Laboratory, Department of Molecular and Clinical Medicine, Institute of Medicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Antonis Myridakis
- Section of Biomolecular Medicine, Department of Metabolism, Digestion and Reproduction, Imperial College London, London, UK
- Environmental Research Group, MRC Centre for Environment and Health, School of Public Health, Imperial College London, 86 Wood Lane, London, W12 0BZ, UK
| | - Sofia K Forslund
- Structural and Computational Biology, European Molecular Biology Laboratory, Heidelberg, Germany
- Experimental and Clinical Research Center, a cooperation of Charité-Universitätsmedizin and the Max-Delbrück Center, Berlin, Germany
- Max Delbrück Center for Molecular Medicine (MDC), Berlin, Germany
- Charité University Hospital, Berlin, Germany
- DZHK (German Centre for Cardiovascular Research), Partner Site Berlin, Berlin, Germany
| | - Trine Nielsen
- Novo Nordisk Foundation Center for Basic Metabolic Research, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Solia Adriouch
- Sorbonne Université, INSERM, Nutrition and obesities; systemic approaches (NutriOmics), Paris, France
| | | | - Julien Chilloux
- Section of Biomolecular Medicine, Department of Metabolism, Digestion and Reproduction, Imperial College London, London, UK
| | - Sara Vieira-Silva
- Laboratory of Molecular Bacteriology, Department of Microbiology and Immunology, Rega Institute, KU Leuven, Leuven, Belgium
- Center for Microbiology, VIB, Leuven, Belgium
- Institute of Medical Microbiology and Hygiene and Research Center for Immunotherapy (FZI), University Medical Center of the Johannes Gutenberg-University Mainz, Mainz, Germany
- Institute of Molecular Biology (IMB), Mainz, Germany
| | - Gwen Falony
- Laboratory of Molecular Bacteriology, Department of Microbiology and Immunology, Rega Institute, KU Leuven, Leuven, Belgium
- Center for Microbiology, VIB, Leuven, Belgium
- Institute of Medical Microbiology and Hygiene and Research Center for Immunotherapy (FZI), University Medical Center of the Johannes Gutenberg-University Mainz, Mainz, Germany
- Institute of Molecular Biology (IMB), Mainz, Germany
| | - Joe-Elie Salem
- Assistance Publique Hôpitaux de Paris, Pitie-Salpêtrière Hospital, Paris, France
| | - Fabrizio Andreelli
- Sorbonne Université, INSERM, Nutrition and obesities; systemic approaches (NutriOmics), Paris, France
- Assistance Publique Hôpitaux de Paris, Pitie-Salpêtrière Hospital, Paris, France
| | - Eugeni Belda
- Sorbonne Université, INSERM, Nutrition and obesities; systemic approaches (NutriOmics), Paris, France
- Sorbonne Université, IRD, Unité de Modélisation Mathématique et Informatique des Systèmes Complexes, UMMISCO, F-93143, Bondy, France
| | - Julius Kieswich
- Diabetic Kidney Disease Centre, Renal Unit, Barts Health National Health Service Trust, The Royal London Hospital, London, UK
- Centre for Translational Medicine and Therapeutics, William Harvey Research Institute, Barts and the London School of Medicine and Dentistry, Queen Mary University of London, London, UK
| | - Kanta Chechi
- Section of Biomolecular Medicine, Department of Metabolism, Digestion and Reproduction, Imperial College London, London, UK
- Section of Genomic & Environmental Medicine, National Heart & Lung Institute, Imperial College London, London, UK
| | - Francesc Puig-Castellvi
- European Genomics Institute for Diabetes, EGENODIA, INSERM U1283, CNRS UMR8199, Institut Pasteur de Lille, Lille University Hospital, University of Lille, Lille, France
| | - Mickael Chevalier
- European Genomics Institute for Diabetes, EGENODIA, INSERM U1283, CNRS UMR8199, Institut Pasteur de Lille, Lille University Hospital, University of Lille, Lille, France
| | | | - Michael T Olanipekun
- Section of Biomolecular Medicine, Department of Metabolism, Digestion and Reproduction, Imperial College London, London, UK
| | - Lesley Hoyles
- Department of Biosciences, School of Science and Technology, Nottingham Trent University, Nottingham, UK
| | - Renato Alves
- Structural and Computational Biology, European Molecular Biology Laboratory, Heidelberg, Germany
| | - Gerard Helft
- Assistance Publique Hôpitaux de Paris, Pitie-Salpêtrière Hospital, Paris, France
- Institute of Cardiometabolism and Nutrition, ICAN, INSERM, 1166, Paris, France
| | - Richard Isnard
- Sorbonne Université, INSERM, Nutrition and obesities; systemic approaches (NutriOmics), Paris, France
- Assistance Publique Hôpitaux de Paris, Pitie-Salpêtrière Hospital, Paris, France
| | - Lars Køber
- Department of Cardiology, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark
| | - Luis Pedro Coelho
- Structural and Computational Biology, European Molecular Biology Laboratory, Heidelberg, Germany
| | - Christine Rouault
- Sorbonne Université, INSERM, Nutrition and obesities; systemic approaches (NutriOmics), Paris, France
| | - Dominique Gauguier
- INSERM UMR 1124, Université de Paris, 45 rue des Saint-Pères, 75006, Paris, France
- McGill Genome Centre, McGill University, 740 Doctor Penfield Avenue, Montreal, QC, H3A 0G1, Canada
| | - Jens Peter Gøtze
- Department of Clinical Biochemistry, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark
| | - Edi Prifti
- Sorbonne Université, INSERM, Nutrition and obesities; systemic approaches (NutriOmics), Paris, France
- Sorbonne Université, IRD, Unité de Modélisation Mathématique et Informatique des Systèmes Complexes, UMMISCO, F-93143, Bondy, France
| | - Philippe Froguel
- European Genomics Institute for Diabetes, EGENODIA, INSERM U1283, CNRS UMR8199, Institut Pasteur de Lille, Lille University Hospital, University of Lille, Lille, France
- Section of Genetics and Genomics, Department of Metabolism, Digestion and Reproduction, Imperial College London, London, W12 0NN, UK
| | - Jean-Daniel Zucker
- Sorbonne Université, INSERM, Nutrition and obesities; systemic approaches (NutriOmics), Paris, France
- Sorbonne Université, IRD, Unité de Modélisation Mathématique et Informatique des Systèmes Complexes, UMMISCO, F-93143, Bondy, France
| | - Fredrik Bäckhed
- The Wallenberg Laboratory, Department of Molecular and Clinical Medicine, Institute of Medicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
- Novo Nordisk Foundation Center for Basic Metabolic Research, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Henrik Vestergaard
- Novo Nordisk Foundation Center for Basic Metabolic Research, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
- Department of Medicine, Bornholms Hospital, Rønne, Denmark
| | - Torben Hansen
- Novo Nordisk Foundation Center for Basic Metabolic Research, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Jean-Michel Oppert
- Assistance Publique Hôpitaux de Paris, Pitie-Salpêtrière Hospital, Paris, France
| | - Matthias Blüher
- Medical Department III-Endocrinology, Nephrology, Rheumatology, University of Leipzig Medical Center, Leipzig, Germany
| | - Jens Nielsen
- Department of Biology and Biological Engineering, Chalmers University of Technology, Gothenburg, Sweden
| | - Jeroen Raes
- Laboratory of Molecular Bacteriology, Department of Microbiology and Immunology, Rega Institute, KU Leuven, Leuven, Belgium
- Center for Microbiology, VIB, Leuven, Belgium
| | - Peer Bork
- Structural and Computational Biology, European Molecular Biology Laboratory, Heidelberg, Germany
- Max Delbrück Center for Molecular Medicine (MDC), Berlin, Germany
- Department of Bioinformatics, Biocenter, University of Würzburg, Würzburg, Germany
- Yonsei Frontier Lab (YFL), Yonsei University, Seoul, 03722, South Korea
| | - Muhammad M Yaqoob
- Diabetic Kidney Disease Centre, Renal Unit, Barts Health National Health Service Trust, The Royal London Hospital, London, UK
- Centre for Translational Medicine and Therapeutics, William Harvey Research Institute, Barts and the London School of Medicine and Dentistry, Queen Mary University of London, London, UK
| | - Michael Stumvoll
- Medical Department III-Endocrinology, Nephrology, Rheumatology, University of Leipzig Medical Center, Leipzig, Germany
| | - Oluf Pedersen
- Novo Nordisk Foundation Center for Basic Metabolic Research, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
- Center for Clinical Metabolic Research, Gentofte University Hospital, Copenhagen, Denmark
| | - S Dusko Ehrlich
- Department of Clinical and Movement Neurosciences, University College London, London, NW3 2PF, UK
| | - Karine Clément
- Sorbonne Université, INSERM, Nutrition and obesities; systemic approaches (NutriOmics), Paris, France.
- Assistance Publique Hôpitaux de Paris, Pitie-Salpêtrière Hospital, Paris, France.
| | - Marc-Emmanuel Dumas
- Section of Biomolecular Medicine, Department of Metabolism, Digestion and Reproduction, Imperial College London, London, UK.
- Section of Genomic & Environmental Medicine, National Heart & Lung Institute, Imperial College London, London, UK.
- European Genomics Institute for Diabetes, EGENODIA, INSERM U1283, CNRS UMR8199, Institut Pasteur de Lille, Lille University Hospital, University of Lille, Lille, France.
- McGill Genome Centre, McGill University, 740 Doctor Penfield Avenue, Montreal, QC, H3A 0G1, Canada.
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20
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Hemmati M, Kashanipoor S, Mazaheri P, Alibabaei F, Babaeizad A, Asli S, Mohammadi S, Gorgin AH, Ghods K, Yousefi B, Eslami M. Importance of gut microbiota metabolites in the development of cardiovascular diseases (CVD). Life Sci 2023; 329:121947. [PMID: 37463653 DOI: 10.1016/j.lfs.2023.121947] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2023] [Revised: 07/13/2023] [Accepted: 07/14/2023] [Indexed: 07/20/2023]
Abstract
Cardiovascular disease (CVD) remains the most common cause of death worldwide and has become a public health concern. The proven notable risk factors for CVD are atherosclerosis, hypertension, diabetes, dyslipidemia, inflammation, and some genetic defects. However, research has shown a correlation between metabolic health, gut microbiota, and dietary risk factors. The gut microbiota makes an important contribution to human functional metabolic pathways by contributing enzymes that are not encoded by the human genome, for instance, the breakdown of polysaccharides, polyphenols and vitamins synthesis. TMAO and SCFAs, human gut microbiota compounds, have respective immunomodulatory and pro-inflammatory effects. Choline and l-carnitine are abundant in high-fat diets and are transformed into TMA by gut bacteria. The liver's phase of metabolism then changes TMA into TMAO. In turn, TMAO promotes the activation of macrophages, damages vascular endothelium, and results in CVD-however, dysbiosis decreases SCFAs and bile acids, which raises intestinal permeability. Congestion in the portal vein, a drop in cardiac output, a reduction in intestinal perfusion, and intestinal leakage are all caused by heart failure. These factors induce systemic inflammation by increasing intestinal leakage. By raising CRP and pro-inflammatory reactions, human gut dysbiosis and elevated TMAO levels promote the development of arterial plaque, hasten the beginning of atherosclerosis, and raise the risk of CAD. A healthy symbiosis between the gut microbiota and host is a key factor in shaping the biochemical profile of the diet, therefore which are crucial for maintaining the intestinal epithelial barrier, growing mucosa, reducing inflammation, and controlling blood pressure.
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Affiliation(s)
- Maryam Hemmati
- Faculty of Medicine, Semnan University of Medical Sciences, Semnan, Iran
| | | | - Payman Mazaheri
- Faculty of Medicine, Semnan University of Medical Sciences, Semnan, Iran
| | - Farnaz Alibabaei
- Faculty of Medicine, Semnan University of Medical Sciences, Semnan, Iran
| | - Ali Babaeizad
- Faculty of Medicine, Semnan University of Medical Sciences, Semnan, Iran
| | - Shima Asli
- Faculty of Medicine, Semnan University of Medical Sciences, Semnan, Iran
| | - Sina Mohammadi
- Faculty of Medicine, Semnan University of Medical Sciences, Semnan, Iran
| | - Amir Hosein Gorgin
- Faculty of Medicine, Semnan University of Medical Sciences, Semnan, Iran
| | - Kamran Ghods
- Social Determinants of Health Research Center, Semnan University of Medical Sciences, Semnan, Iran
| | - Bahman Yousefi
- Cancer Research Center, Semnan University of Medical Sciences, Semnan, Iran.
| | - Majid Eslami
- Department of Bacteriology and Virology, Semnan University of Medical Sciences, Semnan, Iran.
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21
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Xu J, Liu X, Geng H, Liu R, Li F, Ma J, Liu M, Liu B, Sun H, Ma S, Wang Z, Zhu X, Li D, Wang C, Shi Y, Cui Y. Alfalfa Silage Diet Improves Meat Quality by Remodeling the Intestinal Microbes of Fattening Pigs. Foods 2023; 12:3209. [PMID: 37685141 PMCID: PMC10486512 DOI: 10.3390/foods12173209] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2023] [Revised: 08/24/2023] [Accepted: 08/24/2023] [Indexed: 09/10/2023] Open
Abstract
Because the demand for pork is increasing, it is crucial to devise efficient and green methods to improve the quality and quantity of meat. This study investigated the improvement in pork quality after the inclusion of alfalfa meal or alfalfa silage in pig diet. Our results indicated that alfalfa silage improved meat quality more effectively in terms of water-holding capacity, drip loss, and marbling score. Besides, an alfalfa silage diet can affect the level of fatty acids and amino acids in pork. Further, alfalfa silage was found to improve meat quality by remodeling intestinal microbiota and altering the level of SCFAs, providing a viable option for improving meat quality through forage.
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Affiliation(s)
- Junying Xu
- College of Animal Science and Technology, Henan Agricultural University, Zhengzhou 450002, China; (J.X.)
| | - Xiao Liu
- College of Animal Science and Technology, Henan Agricultural University, Zhengzhou 450002, China; (J.X.)
| | - Hongmin Geng
- National Engineering Research Center of Wheat and Corn Further Processing, Henan University of Technology, Zhengzhou 450002, China
| | - Rui Liu
- College of Animal Science and Technology, Henan Agricultural University, Zhengzhou 450002, China; (J.X.)
| | - Fang Li
- College of Animal Science and Technology, Henan Agricultural University, Zhengzhou 450002, China; (J.X.)
| | - Jixiang Ma
- College of Animal Science and Technology, Henan Agricultural University, Zhengzhou 450002, China; (J.X.)
| | - Mengqi Liu
- College of Animal Science and Technology, Henan Agricultural University, Zhengzhou 450002, China; (J.X.)
| | - Boshuai Liu
- College of Animal Science and Technology, Henan Agricultural University, Zhengzhou 450002, China; (J.X.)
| | - Hao Sun
- College of Animal Science and Technology, Henan Agricultural University, Zhengzhou 450002, China; (J.X.)
| | - Sen Ma
- College of Animal Science and Technology, Henan Agricultural University, Zhengzhou 450002, China; (J.X.)
- Henan Key Laboratory of Innovation and Utilization of Grassland Resources, Zhengzhou 450002, China
- Henan Forage Engineering Technology Research Center, Zhengzhou 450002, China
| | - Zhichang Wang
- College of Animal Science and Technology, Henan Agricultural University, Zhengzhou 450002, China; (J.X.)
- Henan Key Laboratory of Innovation and Utilization of Grassland Resources, Zhengzhou 450002, China
- Henan Forage Engineering Technology Research Center, Zhengzhou 450002, China
| | - Xiaoyan Zhu
- College of Animal Science and Technology, Henan Agricultural University, Zhengzhou 450002, China; (J.X.)
- Henan Key Laboratory of Innovation and Utilization of Grassland Resources, Zhengzhou 450002, China
- Henan Forage Engineering Technology Research Center, Zhengzhou 450002, China
| | - Defeng Li
- College of Animal Science and Technology, Henan Agricultural University, Zhengzhou 450002, China; (J.X.)
- Henan Key Laboratory of Innovation and Utilization of Grassland Resources, Zhengzhou 450002, China
- Henan Forage Engineering Technology Research Center, Zhengzhou 450002, China
| | - Chengzhang Wang
- College of Animal Science and Technology, Henan Agricultural University, Zhengzhou 450002, China; (J.X.)
- Henan Key Laboratory of Innovation and Utilization of Grassland Resources, Zhengzhou 450002, China
- Henan Forage Engineering Technology Research Center, Zhengzhou 450002, China
| | - Yinghua Shi
- College of Animal Science and Technology, Henan Agricultural University, Zhengzhou 450002, China; (J.X.)
- Henan Key Laboratory of Innovation and Utilization of Grassland Resources, Zhengzhou 450002, China
- Henan Forage Engineering Technology Research Center, Zhengzhou 450002, China
| | - Yalei Cui
- College of Animal Science and Technology, Henan Agricultural University, Zhengzhou 450002, China; (J.X.)
- Henan Key Laboratory of Innovation and Utilization of Grassland Resources, Zhengzhou 450002, China
- Henan Forage Engineering Technology Research Center, Zhengzhou 450002, China
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22
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Zhang Y, Barupal DK, Fan S, Gao B, Zhu C, Flenniken AM, McKerlie C, Nutter LMJ, Lloyd KCK, Fiehn O. Sexual Dimorphism of the Mouse Plasma Metabolome Is Associated with Phenotypes of 30 Gene Knockout Lines. Metabolites 2023; 13:947. [PMID: 37623890 PMCID: PMC10456929 DOI: 10.3390/metabo13080947] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2023] [Revised: 08/03/2023] [Accepted: 08/08/2023] [Indexed: 08/26/2023] Open
Abstract
Although metabolic alterations are observed in many monogenic and complex genetic disorders, the impact of most mammalian genes on cellular metabolism remains unknown. Understanding the effect of mouse gene dysfunction on metabolism can inform the functions of their human orthologues. We investigated the effect of loss-of-function mutations in 30 unique gene knockout (KO) lines on plasma metabolites, including genes coding for structural proteins (11 of 30), metabolic pathway enzymes (12 of 30) and protein kinases (7 of 30). Steroids, bile acids, oxylipins, primary metabolites, biogenic amines and complex lipids were analyzed with dedicated mass spectrometry platforms, yielding 827 identified metabolites in male and female KO mice and wildtype (WT) controls. Twenty-two percent of 23,698 KO versus WT comparison tests showed significant genotype effects on plasma metabolites. Fifty-six percent of identified metabolites were significantly different between the sexes in WT mice. Many of these metabolites were also found to have sexually dimorphic changes in KO lines. We used plasma metabolites to complement phenotype information exemplified for Dhfr, Idh1, Mfap4, Nek2, Npc2, Phyh and Sra1. The association of plasma metabolites with IMPC phenotypes showed dramatic sexual dimorphism in wildtype mice. We demonstrate how to link metabolomics to genotypes and (disease) phenotypes. Sex must be considered as critical factor in the biological interpretation of gene functions.
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Affiliation(s)
- Ying Zhang
- West Coast Metabolomics Center, University of California Davis, Davis, CA 95616, USA
- Department of Chemistry, University of California Davis, Davis, CA 95616, USA
| | - Dinesh K. Barupal
- Department of Environmental Medicine and Public Health, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA;
| | - Sili Fan
- West Coast Metabolomics Center, University of California Davis, Davis, CA 95616, USA
| | - Bei Gao
- School of Marine Sciences, Nanjing University of Information Science and Technology, Nanjing 210044, China
| | - Chao Zhu
- College of Medicine & Nursing, Dezhou University, Dezhou 253023, China
| | - Ann M. Flenniken
- The Centre for Phenogenomics, Toronto, ON M5T 3H7, Canada; (A.M.F.); (C.M.); (L.M.J.N.)
- Lunenfeld-Tanenbaum Research Institute, Mount Sinai Hospital, Toronto, ON M5G 1X5, Canada
| | - Colin McKerlie
- The Centre for Phenogenomics, Toronto, ON M5T 3H7, Canada; (A.M.F.); (C.M.); (L.M.J.N.)
- The Hospital for Sick Children, Toronto, ON M5G 1X8, Canada
| | - Lauryl M. J. Nutter
- The Centre for Phenogenomics, Toronto, ON M5T 3H7, Canada; (A.M.F.); (C.M.); (L.M.J.N.)
- The Hospital for Sick Children, Toronto, ON M5G 1X8, Canada
| | - Kevin C. Kent Lloyd
- Department of Surgery, School of Medicine, and Mouse Biology Program, University of California Davis, Davis, CA 95616, USA;
| | - Oliver Fiehn
- West Coast Metabolomics Center, University of California Davis, Davis, CA 95616, USA
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23
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Amini Khiabani S, Asgharzadeh M, Samadi Kafil H. Chronic kidney disease and gut microbiota. Heliyon 2023; 9:e18991. [PMID: 37609403 PMCID: PMC10440536 DOI: 10.1016/j.heliyon.2023.e18991] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2023] [Revised: 07/25/2023] [Accepted: 08/04/2023] [Indexed: 08/24/2023] Open
Abstract
Chronic kidney disease (CKD) refers to a range of various pathophysiological processes correlated with abnormal renal function and a progressive loss in GFR. Just as dysbiosis and altered pathology of the gut are accompanied with hypertension, which is a significant CKD risk factor. Gut dysbiosis in CKD patients is associated with an elevated levels of uremic toxins, which in turn increases the CKD progression. According to research results, the gut-kidney axis has a role in the formation of kidney stones, also in IgAN. A number of researchers have categorized the gut microbiota as enterotypes, and others, skeptical of theory of enterotypes, have suggested biomarkers to describe taxa that related to lifestyle, nutrition, and disease status. Metabolome-microbiome studies have been used to investigate the interactions of host-gut microbiota in terms of the involvement of metabolites in these interactions and are yielded promising results. The correlation between gut microbiota and CKD requires further multi-omic researches. Also, with regard to systems biology, studies on the communication network of proteins and transporters such as SLC and ABC, can help us achieve a deeper understanding of the gut-liver-kidney axis communication and can thus provide promising new horizons in the treatment of CKD patients. Probiotic-based treatment is an approach to reduce uremic poisoning, which is accomplished by swallowing microbes those can catalyze URS in the gut. If further comprehensive studies are carried out, we will know about the probiotics impact in slowing the renal failure progression and reducing inflammatory markers.
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Affiliation(s)
- Siamak Amini Khiabani
- Research center for Pharmaceutical Nanotechnology, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mohammad Asgharzadeh
- Biotechnology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Hossein Samadi Kafil
- Drug Applied Research Center, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
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24
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Muhamadali H, Winder CL, Dunn WB, Goodacre R. Unlocking the secrets of the microbiome: exploring the dynamic microbial interplay with humans through metabolomics and their manipulation for synthetic biology applications. Biochem J 2023; 480:891-908. [PMID: 37378961 PMCID: PMC10317162 DOI: 10.1042/bcj20210534] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2023] [Revised: 06/12/2023] [Accepted: 06/16/2023] [Indexed: 06/29/2023]
Abstract
Metabolomics is a powerful research discovery tool with the potential to measure hundreds to low thousands of metabolites. In this review, we discuss the application of GC-MS and LC-MS in discovery-based metabolomics research, we define metabolomics workflows and we highlight considerations that need to be addressed in order to generate robust and reproducible data. We stress that metabolomics is now routinely applied across the biological sciences to study microbiomes from relatively simple microbial systems to their complex interactions within consortia in the host and the environment and highlight this in a range of biological species and mammalian systems including humans. However, challenges do still exist that need to be overcome to maximise the potential for metabolomics to help us understanding biological systems. To demonstrate the potential of the approach we discuss the application of metabolomics in two broad research areas: (1) synthetic biology to increase the production of high-value fine chemicals and reduction in secondary by-products and (2) gut microbial interaction with the human host. While burgeoning in importance, the latter is still in its infancy and will benefit from the development of tools to detangle host-gut-microbial interactions and their impact on human health and diseases.
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Affiliation(s)
- Howbeer Muhamadali
- Centre for Metabolomics Research, Department of Biochemistry, Cell and Systems Biology, Institute of Systems, Molecular and Integrative Biology, University of Liverpool, Liverpool L69 7ZB, U.K
| | - Catherine L. Winder
- Centre for Metabolomics Research, Department of Biochemistry, Cell and Systems Biology, Institute of Systems, Molecular and Integrative Biology, University of Liverpool, Liverpool L69 7ZB, U.K
| | - Warwick B. Dunn
- Centre for Metabolomics Research, Department of Biochemistry, Cell and Systems Biology, Institute of Systems, Molecular and Integrative Biology, University of Liverpool, Liverpool L69 7ZB, U.K
| | - Royston Goodacre
- Centre for Metabolomics Research, Department of Biochemistry, Cell and Systems Biology, Institute of Systems, Molecular and Integrative Biology, University of Liverpool, Liverpool L69 7ZB, U.K
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25
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The role of gut-dependent molecule trimethylamine N-oxide as a novel target for the treatment of chronic kidney disease. Int Urol Nephrol 2023:10.1007/s11255-023-03500-9. [PMID: 36797553 DOI: 10.1007/s11255-023-03500-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2020] [Accepted: 01/09/2023] [Indexed: 02/18/2023]
Abstract
Trimethylamine N-oxide (TMAO) is an intestinal uremic toxin molecule mainly excreted by the kidney. Therefore, the plasma TMAO concentration is significantly increased in chronic kidney disease (CKD) patients, and plasma TMAO can be cleared by dialysis. Furthermore, TMAO damage the kidney mainly through three mechanisms: oxidative stress, inflammation and endoplasmic reticulum stress. Clinical experiments have indicated that higher TMAO levels are strongly related to the elevated incidence and mortality of cardiovascular (CV) events in CKD patients. Moreover, experimental data have shown that high levels of TMAO directly aggravate atherosclerosis, thrombosis and enhance myocardial contractility, resulting in myocardial ischemia and stroke. Specially, there are currently four potential ways to reduce blood TMAO concentration or block the effect of TMAO, including reducing the intake of trimethylamine (TMA) precursors in the diet, regulating the intestinal flora to reduce TMA production, interrupting the role of flavin-dependent monooxygenase isoforms (FMOs) to reduce the generation of TMAO, and blocking the TMAO receptor protein kinase R-like endoplasmic reticulum kinase (PERK). We hope that more clinical studies and clinicians will focus on clinical treatment to reduce the concentration of TMAO and alleviate renal damage.
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26
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Tacconi E, Palma G, De Biase D, Luciano A, Barbieri M, de Nigris F, Bruzzese F. Microbiota Effect on Trimethylamine N-Oxide Production: From Cancer to Fitness-A Practical Preventing Recommendation and Therapies. Nutrients 2023; 15:nu15030563. [PMID: 36771270 PMCID: PMC9920414 DOI: 10.3390/nu15030563] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2022] [Revised: 01/11/2023] [Accepted: 01/13/2023] [Indexed: 01/24/2023] Open
Abstract
Trimethylamine N-oxide (TMAO) is a microbial metabolite derived from nutrients, such as choline, L-carnitine, ergothioneine and betaine. Recently, it has come under the spotlight for its close interactions with gut microbiota and implications for gastrointestinal cancers, cardiovascular disease, and systemic inflammation. The culprits in the origin of these pathologies may be food sources, in particular, high fat meat, offal, egg yolk, whole dairy products, and fatty fish, but intercalated between these food sources and the production of pro-inflammatory TMAO, the composition of gut microbiota plays an important role in modulating this process. The aim of this review is to explain how the gut microbiota interacts with the conversion of specific compounds into TMA and its oxidation to TMAO. We will first cover the correlation between TMAO and various pathologies such as dysbiosis, then focus on cardiovascular disease, with a particular emphasis on pro-atherogenic factors, and then on systemic inflammation and gastrointestinal cancers. Finally, we will discuss primary prevention and therapies that are or may become possible. Possible treatments include modulation of the gut microbiota species with diets, physical activity and supplements, and administration of drugs, such as metformin and aspirin.
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Affiliation(s)
- Edoardo Tacconi
- Department of Human Science and Quality of Life Promotion, San Raffaele Roma Open University, 00166 Rome, Italy
| | - Giuseppe Palma
- S.S.D. Sperimentazione Animale, Istituto Nazionale Tumori-IRCCS-Fondazione G. Pascale, 80131 Naples, Italy
- Correspondence:
| | - Davide De Biase
- Department of Pharmacy, University of Salerno, Via Giovanni Paolo II 132, 84084 Fisciano, Italy
| | - Antonio Luciano
- S.S.D. Sperimentazione Animale, Istituto Nazionale Tumori-IRCCS-Fondazione G. Pascale, 80131 Naples, Italy
| | - Massimiliano Barbieri
- S.S.D. Sperimentazione Animale, Istituto Nazionale Tumori-IRCCS-Fondazione G. Pascale, 80131 Naples, Italy
| | - Filomena de Nigris
- Department of Precision Medicine, School of Medicine, Università degli Studi della Campania “Luigi Vanvitelli”, Via De Crecchio 7, 80138 Naples, Italy
| | - Francesca Bruzzese
- S.S.D. Sperimentazione Animale, Istituto Nazionale Tumori-IRCCS-Fondazione G. Pascale, 80131 Naples, Italy
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27
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Gut Microbiota-Derived TMAO: A Causal Factor Promoting Atherosclerotic Cardiovascular Disease? Int J Mol Sci 2023; 24:ijms24031940. [PMID: 36768264 PMCID: PMC9916030 DOI: 10.3390/ijms24031940] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2022] [Revised: 01/13/2023] [Accepted: 01/16/2023] [Indexed: 01/20/2023] Open
Abstract
Trimethylamine-N-oxide (TMAO) is the main diet-induced metabolite produced by the gut microbiota, and it is mainly eliminated through renal excretion. TMAO has been correlated with an increased risk of atherosclerotic cardiovascular disease (ASCVD) and related complications, such as cardiovascular mortality or major adverse cardiovascular events (MACE). Meta-analyses have postulated that high circulating TMAO levels are associated with an increased risk of cardiovascular events and all-cause mortality, but the link between TMAO and CVD remains not fully consistent. The results of prospective studies vary depending on the target population and the outcome studied, and the adjustment for renal function tends to decrease or reverse the significant association between TMAO and the outcome studied, strongly suggesting that the association is substantially mediated by renal function. Importantly, one Mendelian randomization study did not find a significant association between genetically predicted higher TMAO levels and cardiometabolic disease, but another found a positive causal relationship between TMAO levels and systolic blood pressure, which-at least in part-could explain the link with renal function. The mechanisms by which TMAO can increase this risk are not clearly elucidated, but current evidence indicates that TMAO induces cholesterol metabolism alterations, inflammation, endothelial dysfunction, and platelet activation. Overall, there is no fully conclusive evidence that TMAO is a causal factor of ASCVD, and, especially, whether TMAO induces or just is a marker of hypertension and renal dysfunction requires further study.
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28
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Zhang Q, Zhang L, Chen C, Li P, Lu B. The gut microbiota-artery axis: A bridge between dietary lipids and atherosclerosis? Prog Lipid Res 2023; 89:101209. [PMID: 36473673 DOI: 10.1016/j.plipres.2022.101209] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2022] [Revised: 11/30/2022] [Accepted: 12/02/2022] [Indexed: 12/09/2022]
Abstract
Atherosclerotic cardiovascular disease is one of the major leading global causes of death. Growing evidence has demonstrated that gut microbiota (GM) and its metabolites play a pivotal role in the onset and progression of atherosclerosis (AS), now known as GM-artery axis. There are interactions between dietary lipids and GM, which ultimately affect GM and its metabolites. Given these two aspects, the GM-artery axis may play a mediating role between dietary lipids and AS. Diets rich in saturated fatty acids (SFAs), omega-6 polyunsaturated fatty acids (n-6 PUFAs), industrial trans fatty acids (TFAs), and cholesterol can increase the levels of atherogenic microbes and metabolites, whereas monounsaturated fatty acids (MUFAs), ruminant TFAs, and phytosterols (PS) can increase the levels of antiatherogenic microbes and metabolites. Actually, dietary phosphatidylcholine (PC), sphingomyelin (SM), and omega-3 polyunsaturated fatty acids (n-3 PUFAs) have been demonstrated to affect AS via the GM-artery axis. Therefore, that GM-artery axis acts as a communication bridge between dietary lipids and AS. Herein, we will describe the molecular mechanism of GM-artery axis in AS and discuss the complex interactions between dietary lipids and GM. In particular, we will highlight the evidence and potential mechanisms of dietary lipids affecting AS via GM-artery axis.
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Affiliation(s)
- Qinjun Zhang
- College of Biosystems Engineering and Food Science, National-Local Joint Engineering Laboratory of Intelligent Food Technology and Equipment, Key Laboratory for Agro-Products Nutritional Evaluation of Ministry of Agriculture and Rural Affairs, Key Laboratory of Agro-Products Postharvest Handling of Ministry of Agriculture and Rural Affairs, Zhejiang Key Laboratory for Agro-Food Processing, Zhejiang International Scientific and Technological Cooperation Base of Health Food Manufacturing and Quality Control, Zhejiang University, Hangzhou, China; Hangzhou Global Scientific and Technological Innovation Center, Zhejiang University, Hangzhou, China
| | - Liangxiao Zhang
- Oil Crops Research Institute, Chinese Academy of Agricultural Sciences, Wubhan, China
| | - Cheng Chen
- Center for Ultrasound Molecular Imaging and Therapeutics, University of Pittsburgh, Pittsburgh, PA, USA
| | - Peiwu Li
- Oil Crops Research Institute, Chinese Academy of Agricultural Sciences, Wubhan, China
| | - Baiyi Lu
- College of Biosystems Engineering and Food Science, National-Local Joint Engineering Laboratory of Intelligent Food Technology and Equipment, Key Laboratory for Agro-Products Nutritional Evaluation of Ministry of Agriculture and Rural Affairs, Key Laboratory of Agro-Products Postharvest Handling of Ministry of Agriculture and Rural Affairs, Zhejiang Key Laboratory for Agro-Food Processing, Zhejiang International Scientific and Technological Cooperation Base of Health Food Manufacturing and Quality Control, Zhejiang University, Hangzhou, China; Hangzhou Global Scientific and Technological Innovation Center, Zhejiang University, Hangzhou, China.
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29
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Dietary Methionine Restriction Alleviates Choline-Induced Tri-Methylamine-N-Oxide (TMAO) Elevation by Manipulating Gut Microbiota in Mice. Nutrients 2023; 15:nu15010206. [PMID: 36615863 PMCID: PMC9823801 DOI: 10.3390/nu15010206] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2022] [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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30
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Goldman JD, Wang K, Röltgen K, Nielsen SCA, Roach JC, Naccache SN, Yang F, Wirz OF, Yost KE, Lee JY, Chun K, Wrin T, Petropoulos CJ, Lee I, Fallen S, Manner PM, Wallick JA, Algren HA, Murray KM, Hadlock J, Chen D, Dai CL, Yuan D, Su Y, Jeharajah J, Berrington WR, Pappas GP, Nyatsatsang ST, Greninger AL, Satpathy AT, Pauk JS, Boyd SD, Heath JR. Reinfection with SARS-CoV-2 and Waning Humoral Immunity: A Case Report. Vaccines (Basel) 2022; 11:5. [PMID: 36679852 PMCID: PMC9861578 DOI: 10.3390/vaccines11010005] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2022] [Revised: 12/15/2022] [Accepted: 12/15/2022] [Indexed: 12/24/2022] Open
Abstract
Recovery from COVID-19 is associated with production of anti-SARS-CoV-2 antibodies, but it is uncertain whether these confer immunity. We describe viral RNA shedding duration in hospitalized patients and identify patients with recurrent shedding. We sequenced viruses from two distinct episodes of symptomatic COVID-19 separated by 144 days in a single patient, to conclusively describe reinfection with a different strain harboring the spike variant D614G. This case of reinfection was one of the first cases of reinfection reported in 2020. With antibody, B cell and T cell analytics, we show correlates of adaptive immunity at reinfection, including a differential response in neutralizing antibodies to a D614G pseudovirus. Finally, we discuss implications for vaccine programs and begin to define benchmarks for protection against reinfection from SARS-CoV-2.
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Affiliation(s)
- Jason D. Goldman
- Division of Infectious Diseases, Swedish Medical Center, Seattle, WA 98122, USA
- Providence St. Joseph Health, Renton, WA 98057, USA
- Division of Allergy and Infectious Diseases, University of Washington, Seattle, WA 98195, USA
| | - Kai Wang
- Institute for Systems Biology, Seattle, WA 98103, USA
| | - Katharina Röltgen
- Department of Pathology, Stanford University, Stanford, CA 94305, USA
| | | | | | | | - Fan Yang
- Department of Pathology, Stanford University, Stanford, CA 94305, USA
| | - Oliver F. Wirz
- Department of Pathology, Stanford University, Stanford, CA 94305, USA
| | - Kathryn E. Yost
- Department of Pathology, Stanford University, Stanford, CA 94305, USA
| | - Ji-Yeun Lee
- Department of Pathology, Stanford University, Stanford, CA 94305, USA
| | - Kelly Chun
- LabCorp Esoterix, Calabasas, CA 91301, USA
| | - Terri Wrin
- Monogram Biosciences, South San Francisco, CA 94080, USA
| | | | - Inyoul Lee
- Institute for Systems Biology, Seattle, WA 98103, USA
| | | | - Paula M. Manner
- Providence St. Joseph Health, Renton, WA 98057, USA
- Swedish Center for Research and Innovation, Swedish Medical Center, Seattle, WA 98104, USA
| | - Julie A. Wallick
- Providence St. Joseph Health, Renton, WA 98057, USA
- Swedish Center for Research and Innovation, Swedish Medical Center, Seattle, WA 98104, USA
| | - Heather A. Algren
- Providence St. Joseph Health, Renton, WA 98057, USA
- Swedish Center for Research and Innovation, Swedish Medical Center, Seattle, WA 98104, USA
| | - Kim M. Murray
- Institute for Systems Biology, Seattle, WA 98103, USA
| | - Jennifer Hadlock
- Providence St. Joseph Health, Renton, WA 98057, USA
- Institute for Systems Biology, Seattle, WA 98103, USA
| | - Daniel Chen
- Institute for Systems Biology, Seattle, WA 98103, USA
| | | | - Dan Yuan
- Institute for Systems Biology, Seattle, WA 98103, USA
| | - Yapeng Su
- Institute for Systems Biology, Seattle, WA 98103, USA
| | - Joshua Jeharajah
- Division of Infectious Diseases, Polyclinic, Seattle, WA 98104, USA
| | - William R. Berrington
- Division of Infectious Diseases, Swedish Medical Center, Seattle, WA 98122, USA
- Providence St. Joseph Health, Renton, WA 98057, USA
| | - George P. Pappas
- Division of Pulmonology and Critical Care Medicine, Swedish Medical Center, Seattle, WA 98104, USA
| | - Sonam T. Nyatsatsang
- Division of Infectious Diseases, Swedish Medical Center, Seattle, WA 98122, USA
- Providence St. Joseph Health, Renton, WA 98057, USA
| | - Alexander L. Greninger
- Department of Laboratory Medicine and Pathology, University of Washington School of Medicine, Seattle, WA 98109, USA
- Vaccine and Infectious Disease Division, Fred Hutch, Seattle, DC 98109, USA
| | | | - John S. Pauk
- Division of Infectious Diseases, Swedish Medical Center, Seattle, WA 98122, USA
- Providence St. Joseph Health, Renton, WA 98057, USA
| | - Scott D. Boyd
- Department of Pathology, Stanford University, Stanford, CA 94305, USA
- Sean N. Parker Center for Allergy and Asthma Research, Stanford, CA 94304, USA
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31
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Plasma Cholesterol- and Body Fat-Lowering Effects of Chicken Protein Hydrolysate and Oil in High-Fat Fed Male Wistar Rats. Nutrients 2022; 14:nu14245364. [PMID: 36558523 PMCID: PMC9785847 DOI: 10.3390/nu14245364] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2022] [Revised: 12/01/2022] [Accepted: 12/09/2022] [Indexed: 12/23/2022] Open
Abstract
Rest raw materials provide a new source of bioactive dietary ingredients, and this study aimed to determine the health effects of diets with chicken protein hydrolysate (CPH) and chicken oil (CO) generated from deboned chicken meat. Male Wistar rats (n = 56) were divided into seven groups in three predefined sub-experiments to study the effects of protein source (casein, chicken fillet, pork fillet, and CPH), the dose-effect of CPH (50% and 100% CPH), and the effects of combining CPH and CO. Rats were fed high-fat diets for 12 weeks, and casein and chicken fillet were used as controls in all sub-experiments. While casein, chicken-, or pork fillet diets resulted in similar weight gain and plasma lipid levels, the CPH diet reduced plasma total cholesterol. This effect was dose dependent and accompanied with the reduced hepatic activities of acetyl-CoA carboxylase and fatty acid synthase. Further, rats fed combined CPH and CO showed lower weight gain, and higher hepatic mitochondrial fatty acid oxidation, plasma L-carnitine, short-chain acylcarnitines, TMAO, and acetylcarnitine/palmitoylcarnitine. Thus, in male Wistar rats, CPH and CO lowered plasma cholesterol and increased hepatic fatty acid oxidation compared to whole protein diets, pointing to potential health-beneficial bioactive properties of these processed chicken rest raw materials.
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32
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Higher Circulating Trimethylamine N-Oxide Aggravates Cognitive Impairment Probably via Downregulating Hippocampal SIRT1 in Vascular Dementia Rats. Cells 2022; 11:cells11223650. [PMID: 36429082 PMCID: PMC9688447 DOI: 10.3390/cells11223650] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2022] [Revised: 11/06/2022] [Accepted: 11/14/2022] [Indexed: 11/19/2022] Open
Abstract
Oxidative stress and inflammation damage play pivotal roles in vascular dementia (VaD). Trimethylamine N-oxide (TMAO), an intestinal microbiota-stemming metabolite, was reported to promote inflammation and oxidative stress, involved in the etiology of several diseases. Still, these effects have not been investigated in VaD. Here, we tested whether pre-existing, circulating, high levels of TMAO could affect VaD-induced cognitive decline. TMAO (120 mg/kg) was given to rats for a total of 8 weeks, and these rats underwent a sham operation or bilateral common carotid artery (2VO) surgery after 4 weeks of treatment. Four weeks after surgery, the 2VO rats exhibited hippocampal-dependent cognitive function declines and synaptic plasticity dysfunction, accompanied by an increase in oxidative stress, neuroinflammation, and apoptosis. TMAO administration, which increased plasma and hippocampal TMAO at 4 weeks postoperatively, further aggravated these effects, resulting in exaggerated cognitive and synaptic plasticity impairment, though not within the Sham group. Moreover, TMAO treatment activated the NLRP3 inflammasome and decreased SIRT1 protein expression within the hippocampus. However, these effects of TMAO were significantly attenuated by the overexpression of SIRT1. Our findings suggest that TMAO increases oxidative stress-induced neuroinflammation and apoptosis by inhibiting the SIRT1 pathway, thereby exacerbating cognitive dysfunction and neuropathological changes in VaD rats.
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Ma Y, Deng X, Yang X, Wang J, Li T, Hua G, Han D, Da L, Li R, Rong W, Deng X. Characteristics of Bacterial Microbiota in Different Intestinal Segments of Aohan Fine-Wool Sheep. Front Microbiol 2022; 13:874536. [PMID: 35572716 PMCID: PMC9097873 DOI: 10.3389/fmicb.2022.874536] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2022] [Accepted: 04/01/2022] [Indexed: 11/13/2022] Open
Abstract
The microbial community performs vital functions in the intestinal system of animals. Modulation of the gut microbiota structure can indirectly or directly affect gut health and host metabolism. Aohan fine-wool sheep grow in semi-desert grasslands in China and show excellent stress tolerance. In this study, we amplified 16S rRNA gene to investigate the dynamic distribution and adaptability of the gut microbiome in the duodenum, jejunum, ileum, cecum, colon, and rectum of seven Aohan fine-wool sheep at 12 months. The results showed that the microbial composition and diversity of the ileum and the large intestine (collectively termed the hindgut) were close together, and the genetic distance and functional projections between them were similar. Meanwhile, the diversity index results revealed that the bacterial richness and diversity of the hindgut were significantly higher than those of the foregut. We found that from the foregut to the hindgut, the dominant bacteria changed from Proteobacteria to Bacteroidetes. In LEfSe analysis, Succiniclasticum was found to be significantly abundant bacteria in the foregut and was involved in succinic acid metabolism. Ruminococcaceae and Caldicoprobacteraceae were significantly abundant in hindgut, which can degrade cellulose polysaccharides in the large intestine and produce beneficial metabolites. Moreover, Coriobacteriaceae and Eggthellaceae are involved in flavonoid metabolism and polyphenol production. Interestingly, these unique bacteria have not been reported in Mongolian sheep or other sheep breeds. Collectively, the gut microbiota of Aohan fine-wool sheep is one of the keys to adapting to the semi-desert grassland environment. Our results provide new insights into the role of gut microbiota in improving stress tolerance and gut health in sheep.
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Affiliation(s)
- Yuhao Ma
- Key Laboratory of Animal Genetics, Breeding, and Reproduction of the Ministry of Agriculture and Beijing Key Laboratory of Animal Genetic Improvement, China Agricultural University, Beijing, China
| | - Xiaotian Deng
- Key Laboratory of Animal Genetics, Breeding, and Reproduction of the Ministry of Agriculture and Beijing Key Laboratory of Animal Genetic Improvement, China Agricultural University, Beijing, China
| | - Xue Yang
- Key Laboratory of Animal Genetics, Breeding, and Reproduction of the Ministry of Agriculture and Beijing Key Laboratory of Animal Genetic Improvement, China Agricultural University, Beijing, China
| | - Jiankui Wang
- Key Laboratory of Animal Genetics, Breeding, and Reproduction of the Ministry of Agriculture and Beijing Key Laboratory of Animal Genetic Improvement, China Agricultural University, Beijing, China
| | - Tun Li
- Key Laboratory of Animal Genetics, Breeding, and Reproduction of the Ministry of Agriculture and Beijing Key Laboratory of Animal Genetic Improvement, China Agricultural University, Beijing, China
| | - Guoying Hua
- Key Laboratory of Animal Genetics, Breeding, and Reproduction of the Ministry of Agriculture and Beijing Key Laboratory of Animal Genetic Improvement, China Agricultural University, Beijing, China
| | - Deping Han
- Key Laboratory of Animal Genetics, Breeding, and Reproduction of the Ministry of Agriculture and Beijing Key Laboratory of Animal Genetic Improvement, China Agricultural University, Beijing, China
| | - Lai Da
- Inner Mongolia Academy of Agriculture and Animal Husbandry, Hohhot, China
| | - Rui Li
- Inner Mongolia Grassland Jinfeng Animal Husbandry Co., Ltd., Chifeng, China
| | - Weiheng Rong
- Inner Mongolia Academy of Agriculture and Animal Husbandry, Hohhot, China
| | - Xuemei Deng
- Key Laboratory of Animal Genetics, Breeding, and Reproduction of the Ministry of Agriculture and Beijing Key Laboratory of Animal Genetic Improvement, China Agricultural University, Beijing, China
- *Correspondence: Xuemei Deng,
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Omenn GS, Magis AT, Price ND, Hood L. Personal Dense Dynamic Data Clouds Connect Systems Biomedicine to Scientific Wellness. METHODS IN MOLECULAR BIOLOGY (CLIFTON, N.J.) 2022; 2486:315-334. [PMID: 35437729 DOI: 10.1007/978-1-0716-2265-0_15] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The dramatic convergence of molecular biology, genomics, proteomics, metabolomics, bioinformatics, and artificial intelligence has provided a substrate for deep understanding of the biological basis of health and disease. Systems biology is a holistic, dynamic, integrative, cross-disciplinary approach to biological complexity that embraces experimentation, technology, computation, and clinical translation. Systems Medicine integrates genome analyses and longitudinal deep phenotyping with biological pathways and networks to understand mechanisms of disease, identify relevant blood biomarkers, define druggable molecular targets, and enhance the maintenance or restoration of wellness. Two programs initiated our understanding of data-driven population-based wellness. The Pioneer 100 Study of Scientific Wellness and the much larger Arivale commercial program that followed had two spectacular results: demonstrating the feasibility and utility of collecting longitudinal multiomic data, and then generating dense, dynamic data clouds for each individual to utilize actionable metrics for promoting health and preventing disease when combined with personalized coaching. Future developments in these domains will enable better population health and personal, preventive, predictive, participatory (P4) health care.
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Affiliation(s)
- Gilbert S Omenn
- Departments of Computational Medicine & Bioinformatics, Internal Medicine, Human Genetics, and School of Public Health, University of Michigan, Ann Arbor, MI, USA. .,Institute for Systems Biology, Seattle, WA, USA.
| | | | - Nathan D Price
- Institute for Systems Biology, Seattle, WA, USA.,Onegevity, New York, New York, USA
| | - Leroy Hood
- Institute for Systems Biology, Seattle, WA, USA.,Providence Saint Joseph Healthcare System, Seattle, USA
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Heath L, Earls JC, Magis AT, Kornilov SA, Lovejoy JC, Funk CC, Rappaport N, Logsdon BA, Mangravite LM, Kunkle BW, Martin ER, Naj AC, Ertekin-Taner N, Golde TE, Hood L, Price ND. Manifestations of Alzheimer's disease genetic risk in the blood are evident in a multiomic analysis in healthy adults aged 18 to 90. Sci Rep 2022; 12:6117. [PMID: 35413975 PMCID: PMC9005657 DOI: 10.1038/s41598-022-09825-2] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2022] [Accepted: 03/23/2022] [Indexed: 01/18/2023] Open
Abstract
Genetics play an important role in late-onset Alzheimer's Disease (AD) etiology and dozens of genetic variants have been implicated in AD risk through large-scale GWAS meta-analyses. However, the precise mechanistic effects of most of these variants have yet to be determined. Deeply phenotyped cohort data can reveal physiological changes associated with genetic risk for AD across an age spectrum that may provide clues to the biology of the disease. We utilized over 2000 high-quality quantitative measurements obtained from blood of 2831 cognitively normal adult clients of a consumer-based scientific wellness company, each with CLIA-certified whole-genome sequencing data. Measurements included: clinical laboratory blood tests, targeted chip-based proteomics, and metabolomics. We performed a phenome-wide association study utilizing this diverse blood marker data and 25 known AD genetic variants and an AD-specific polygenic risk score (PGRS), adjusting for sex, age, vendor (for clinical labs), and the first four genetic principal components; sex-SNP interactions were also assessed. We observed statistically significant SNP-analyte associations for five genetic variants after correction for multiple testing (for SNPs in or near NYAP1, ABCA7, INPP5D, and APOE), with effects detectable from early adulthood. The ABCA7 SNP and the APOE2 and APOE4 encoding alleles were associated with lipid variability, as seen in previous studies; in addition, six novel proteins were associated with the e2 allele. The most statistically significant finding was between the NYAP1 variant and PILRA and PILRB protein levels, supporting previous functional genomic studies in the identification of a putative causal variant within the PILRA gene. We did not observe associations between the PGRS and any analyte. Sex modified the effects of four genetic variants, with multiple interrelated immune-modulating effects associated with the PICALM variant. In post-hoc analysis, sex-stratified GWAS results from an independent AD case-control meta-analysis supported sex-specific disease effects of the PICALM variant, highlighting the importance of sex as a biological variable. Known AD genetic variation influenced lipid metabolism and immune response systems in a population of non-AD individuals, with associations observed from early adulthood onward. Further research is needed to determine whether and how these effects are implicated in early-stage biological pathways to AD. These analyses aim to complement ongoing work on the functional interpretation of AD-associated genetic variants.
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Affiliation(s)
- Laura Heath
- Institute for Systems Biology, Seattle, WA, USA.
- Sage Bionetworks, Seattle, WA, USA.
| | - John C Earls
- Institute for Systems Biology, Seattle, WA, USA
- Thorne HealthTech, New York, NY, USA
| | | | | | | | - Cory C Funk
- Institute for Systems Biology, Seattle, WA, USA
| | | | | | | | - Brian W Kunkle
- John P. Hussman Institute for Human Genomics, University of Miami Miller School of Medicine, Miami, FL, USA
- Dr. John T. Macdonald Foundation Department of Human Genetics, University of Miami Miller School of Medicine, Miami, FL, USA
| | - Eden R Martin
- John P. Hussman Institute for Human Genomics, University of Miami Miller School of Medicine, Miami, FL, USA
- Dr. John T. Macdonald Foundation Department of Human Genetics, University of Miami Miller School of Medicine, Miami, FL, USA
| | - Adam C Naj
- Department of Biostatistics, Epidemiology and Informatics, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA, USA
- Department of Pathology and Laboratory Medicine, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA, USA
| | - Nilüfer Ertekin-Taner
- Department of Neurology, Mayo Clinic, Jacksonville, FL, USA
- Department of Neuroscience, Mayo Clinic, Jacksonville, FL, USA
| | - Todd E Golde
- Department of Neuroscience, College of Medicine, McKnight Brain Institute, Center for Translational Research in Neurodegenerative Disease University of Florida, Gainesville, FL, USA
| | - Leroy Hood
- Institute for Systems Biology, Seattle, WA, USA
- Providence St. Joseph Health, Renton, WA, USA
| | - Nathan D Price
- Institute for Systems Biology, Seattle, WA, USA.
- Thorne HealthTech, New York, NY, USA.
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Song J, Shi X, Li X, Zheng J. Choline diet improves serum lipid parameters and alters egg composition in breeder ducks. Vet Med Sci 2022; 8:1553-1562. [PMID: 35384400 PMCID: PMC9297749 DOI: 10.1002/vms3.798] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/05/2022] Open
Abstract
Background Choline is an important nutrient, playing key roles in numerous metabolic pathways relevant to animal health. Objectives The objective of this study was to evaluate the effect of dietary choline on the lipid parameters, cardiovascular health (CVH), and levels of egg trimethylamine (TMA) and cholesterol in breeder ducks during the late laying period. Methods A total of 60 Jingjiang ducks were randomly separated into six replicates of 10 ducks each. After peak production until 65 weeks of age, the birds were fed a control basal diet. The same ducks served as the control group until 65 weeks of age, when the same ducks served as the choline‐supplemented group, after 15 days of dietary choline supplementation at 2955 mg/kg choline above and over the basal diet initially provided. The 15 days of choline supplementation included an initial 5‐day acclimatisation period. Results Dietary choline supplementation increased serum TMA (p < 0.01), high‐density lipoprotein cholesterol, very low‐density lipoprotein, and triglyceride levels in older breeder ducks. However, it did not change the levels of trimethylamine N‐oxide but decreased the atherosclerosis index compared with those of the control group (p < 0.01). Moreover, it increased (p < 0.01) the egg yolk TMA levels but did not change the concentrations of cholesterol in egg yolk. Conclusions Dietary choline supplementation had a beneficial effect on lipid parameters and CVH in older breeder ducks, although it increased the serum and egg yolk TMA levels.
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Affiliation(s)
- Jianlou Song
- Key Laboratory of Animal Genetics, Breeding and Reproduction of the Ministry of Agriculture, College of Animal Science and Technology, National Engineering Laboratory for Animal Breeding, China Agricultural University, Beijing, China
| | - Xuefeng Shi
- Key Laboratory of Animal Genetics, Breeding and Reproduction of the Ministry of Agriculture, College of Animal Science and Technology, National Engineering Laboratory for Animal Breeding, China Agricultural University, Beijing, China
| | - Xingzheng Li
- Key Laboratory of Animal Genetics, Breeding and Reproduction of the Ministry of Agriculture, College of Animal Science and Technology, National Engineering Laboratory for Animal Breeding, China Agricultural University, Beijing, China
| | - Jiangxia Zheng
- Key Laboratory of Animal Genetics, Breeding and Reproduction of the Ministry of Agriculture, College of Animal Science and Technology, National Engineering Laboratory for Animal Breeding, China Agricultural University, Beijing, China
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37
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How the immune system shapes atherosclerosis: roles of innate and adaptive immunity. Nat Rev Immunol 2022; 22:251-265. [PMID: 34389841 PMCID: PMC10111155 DOI: 10.1038/s41577-021-00584-1] [Citation(s) in RCA: 167] [Impact Index Per Article: 83.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/24/2021] [Indexed: 02/07/2023]
Abstract
Atherosclerosis is the root cause of many cardiovascular diseases. Extensive research in preclinical models and emerging evidence in humans have established the crucial roles of the innate and adaptive immune systems in driving atherosclerosis-associated chronic inflammation in arterial blood vessels. New techniques have highlighted the enormous heterogeneity of leukocyte subsets in the arterial wall that have pro-inflammatory or regulatory roles in atherogenesis. Understanding the homing and activation pathways of these immune cells, their disease-associated dynamics and their regulation by microbial and metabolic factors will be crucial for the development of clinical interventions for atherosclerosis, including potentially vaccination-based therapeutic strategies. Here, we review key molecular mechanisms of immune cell activation implicated in modulating atherogenesis and provide an update on the contributions of innate and adaptive immune cell subsets in atherosclerosis.
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38
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Depommier C, Everard A, Druart C, Maiter D, Thissen JP, Loumaye A, Hermans MP, Delzenne NM, de Vos WM, Cani PD. Serum metabolite profiling yields insights into health promoting effect of A. muciniphila in human volunteers with a metabolic syndrome. Gut Microbes 2022; 13:1994270. [PMID: 34812127 PMCID: PMC8632301 DOI: 10.1080/19490976.2021.1994270] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/04/2023] Open
Abstract
Reduction of A. muciniphila relative abundance in the gut microbiota is a widely accepted signature associated with obesity-related metabolic disorders. Using untargeted metabolomics profiling of fasting plasma, our study aimed at identifying metabolic signatures associated with beneficial properties of alive and pasteurized A. muciniphila when administrated to a cohort of insulin-resistant individuals with metabolic syndrome. Our data highlighted either shared or specific alterations in the metabolome according to the form of A. muciniphila administered with respect to a control group. Common responses encompassed modulation of amino acid metabolism, characterized by reduced levels of arginine and alanine, alongside several intermediates of tyrosine, phenylalanine, tryptophan, and glutathione metabolism. The global increase in levels of acylcarnitines together with specific modulation of acetoacetate also suggested induction of ketogenesis through enhanced β-oxidation. Moreover, our data pinpointed some metabolites of interest considering their emergence as substantial compounds pertaining to health and diseases in the more recent literature.
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Affiliation(s)
- Clara Depommier
- Metabolism and Nutrition Research Group, Louvain Drug Research Institute, Walloon Excellence in Life Sciences and BIOtechnology (Welbio), UCLouvain, Université Catholique De Louvain, Brussels, Belgium
| | - Amandine Everard
- Metabolism and Nutrition Research Group, Louvain Drug Research Institute, Walloon Excellence in Life Sciences and BIOtechnology (Welbio), UCLouvain, Université Catholique De Louvain, Brussels, Belgium
| | - Céline Druart
- Metabolism and Nutrition Research Group, Louvain Drug Research Institute, Walloon Excellence in Life Sciences and BIOtechnology (Welbio), UCLouvain, Université Catholique De Louvain, Brussels, Belgium
| | - Dominique Maiter
- Pôle Edin, Institut De Recherches Expérimentales Et Cliniques, UCLouvain, Université Catholique De Louvain, Brussels, Belgium,Division of Endocrinology and Nutrition, Cliniques Universitaires St-Luc, Brussels, Belgium
| | - Jean-Paul Thissen
- Pôle Edin, Institut De Recherches Expérimentales Et Cliniques, UCLouvain, Université Catholique De Louvain, Brussels, Belgium,Division of Endocrinology and Nutrition, Cliniques Universitaires St-Luc, Brussels, Belgium
| | - Audrey Loumaye
- Pôle Edin, Institut De Recherches Expérimentales Et Cliniques, UCLouvain, Université Catholique De Louvain, Brussels, Belgium,Division of Endocrinology and Nutrition, Cliniques Universitaires St-Luc, Brussels, Belgium
| | - Michel P. Hermans
- Pôle Edin, Institut De Recherches Expérimentales Et Cliniques, UCLouvain, Université Catholique De Louvain, Brussels, Belgium,Division of Endocrinology and Nutrition, Cliniques Universitaires St-Luc, Brussels, Belgium
| | - Nathalie M. Delzenne
- Metabolism and Nutrition Research Group, Louvain Drug Research Institute, Walloon Excellence in Life Sciences and BIOtechnology (Welbio), UCLouvain, Université Catholique De Louvain, Brussels, Belgium
| | - Willem M. de Vos
- Laboratory of Microbiology, Wageningen University, Wageningen, The Netherland,Human Microbiome Research Program, Faculty of Medicine, University of Helsinki, Helsinki, Finland
| | - Patrice D. Cani
- Metabolism and Nutrition Research Group, Louvain Drug Research Institute, Walloon Excellence in Life Sciences and BIOtechnology (Welbio), UCLouvain, Université Catholique De Louvain, Brussels, Belgium,CONTACT Patrice D. Cani UCLouvain, Université Catholique De Louvain, Ldri, Metabolism and Nutrition Research Group, Av. E. Mounier, 73 Box B1.73.11, B-1200Brussels, Belgium
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Su Y, Yuan D, Chen DG, Ng RH, Wang K, Choi J, Li S, Hong S, Zhang R, Xie J, Kornilov SA, Scherler K, Pavlovitch-Bedzyk AJ, Dong S, Lausted C, Lee I, Fallen S, Dai CL, Baloni P, Smith B, Duvvuri VR, Anderson KG, Li J, Yang F, Duncombe CJ, McCulloch DJ, Rostomily C, Troisch P, Zhou J, Mackay S, DeGottardi Q, May DH, Taniguchi R, Gittelman RM, Klinger M, Snyder TM, Roper R, Wojciechowska G, Murray K, Edmark R, Evans S, Jones L, Zhou Y, Rowen L, Liu R, Chour W, Algren HA, Berrington WR, Wallick JA, Cochran RA, Micikas ME, Wrin T, Petropoulos CJ, Cole HR, Fischer TD, Wei W, Hoon DSB, Price ND, Subramanian N, Hill JA, Hadlock J, Magis AT, Ribas A, Lanier LL, Boyd SD, Bluestone JA, Chu H, Hood L, Gottardo R, Greenberg PD, Davis MM, Goldman JD, Heath JR. Multiple early factors anticipate post-acute COVID-19 sequelae. Cell 2022; 185:881-895.e20. [PMID: 35216672 PMCID: PMC8786632 DOI: 10.1016/j.cell.2022.01.014] [Citation(s) in RCA: 532] [Impact Index Per Article: 266.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2021] [Revised: 12/14/2021] [Accepted: 01/19/2022] [Indexed: 01/14/2023]
Abstract
Post-acute sequelae of COVID-19 (PASC) represent an emerging global crisis. However, quantifiable risk factors for PASC and their biological associations are poorly resolved. We executed a deep multi-omic, longitudinal investigation of 309 COVID-19 patients from initial diagnosis to convalescence (2-3 months later), integrated with clinical data and patient-reported symptoms. We resolved four PASC-anticipating risk factors at the time of initial COVID-19 diagnosis: type 2 diabetes, SARS-CoV-2 RNAemia, Epstein-Barr virus viremia, and specific auto-antibodies. In patients with gastrointestinal PASC, SARS-CoV-2-specific and CMV-specific CD8+ T cells exhibited unique dynamics during recovery from COVID-19. Analysis of symptom-associated immunological signatures revealed coordinated immunity polarization into four endotypes, exhibiting divergent acute severity and PASC. We find that immunological associations between PASC factors diminish over time, leading to distinct convalescent immune states. Detectability of most PASC factors at COVID-19 diagnosis emphasizes the importance of early disease measurements for understanding emergent chronic conditions and suggests PASC treatment strategies.
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Affiliation(s)
- Yapeng Su
- Institute for Systems Biology, Seattle, WA 98109, USA; Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Research Center, Seattle, WA 98109, USA; Clinical Research Division, Program in Immunology, Fred Hutchinson Cancer Research Center, Seattle, WA 98109, USA.
| | - Dan Yuan
- Institute for Systems Biology, Seattle, WA 98109, USA; Department of Bioengineering, University of Washington, Seattle, WA 98105, USA
| | - Daniel G Chen
- Institute for Systems Biology, Seattle, WA 98109, USA; Department of Microbiology and Department of Informatics, University of Washington, Seattle, WA 98195, USA
| | - Rachel H Ng
- Institute for Systems Biology, Seattle, WA 98109, USA; Department of Bioengineering, University of Washington, Seattle, WA 98105, USA
| | - Kai Wang
- Institute for Systems Biology, Seattle, WA 98109, USA
| | - Jongchan Choi
- Institute for Systems Biology, Seattle, WA 98109, USA
| | - Sarah Li
- Institute for Systems Biology, Seattle, WA 98109, USA
| | - Sunga Hong
- Institute for Systems Biology, Seattle, WA 98109, USA
| | - Rongyu Zhang
- Institute for Systems Biology, Seattle, WA 98109, USA; Department of Bioengineering, University of Washington, Seattle, WA 98105, USA
| | - Jingyi Xie
- Institute for Systems Biology, Seattle, WA 98109, USA; Molecular Engineering & Sciences Institute, University of Washington, Seattle, WA 98105, USA
| | | | | | - Ana Jimena Pavlovitch-Bedzyk
- Institute for Immunity, Transplantation and Infection, Stanford University School of Medicine, Stanford, CA 94305, USA
| | - Shen Dong
- Diabetes Center, University of California, San Francisco, San Francisco, CA 94143, USA
| | | | - Inyoul Lee
- Institute for Systems Biology, Seattle, WA 98109, USA
| | | | | | | | - Brett Smith
- Institute for Systems Biology, Seattle, WA 98109, USA
| | | | - Kristin G Anderson
- Clinical Research Division, Program in Immunology, Fred Hutchinson Cancer Research Center, Seattle, WA 98109, USA; Departments of Immunology and Medicine, University of Washington, Seattle, WA 98109, USA
| | - Jing Li
- Institute for Immunity, Transplantation and Infection, Stanford University School of Medicine, Stanford, CA 94305, USA
| | - Fan Yang
- Department of Pathology, Stanford University, Stanford, CA 94304, USA
| | | | - Denise J McCulloch
- Division of Allergy and Infectious Diseases, Department of Medicine, University of Washington, Seattle, WA 98109, USA
| | | | | | - Jing Zhou
- Isoplexis Corporation, Branford, CT 06405, USA
| | - Sean Mackay
- Isoplexis Corporation, Branford, CT 06405, USA
| | | | - Damon H May
- Adaptive Biotechnologies, Seattle, WA 98109, USA
| | | | | | - Mark Klinger
- Adaptive Biotechnologies, Seattle, WA 98109, USA
| | | | - Ryan Roper
- Institute for Systems Biology, Seattle, WA 98109, USA
| | - Gladys Wojciechowska
- Institute for Systems Biology, Seattle, WA 98109, USA; Medical University of Białystok, Białystok 15089, Poland
| | - Kim Murray
- Institute for Systems Biology, Seattle, WA 98109, USA
| | - Rick Edmark
- Institute for Systems Biology, Seattle, WA 98109, USA
| | - Simon Evans
- Institute for Systems Biology, Seattle, WA 98109, USA
| | - Lesley Jones
- Institute for Systems Biology, Seattle, WA 98109, USA
| | - Yong Zhou
- Institute for Systems Biology, Seattle, WA 98109, USA
| | - Lee Rowen
- Institute for Systems Biology, Seattle, WA 98109, USA
| | - Rachel Liu
- Institute for Systems Biology, Seattle, WA 98109, USA
| | - William Chour
- Institute for Systems Biology, Seattle, WA 98109, USA
| | - Heather A Algren
- Swedish Center for Research and Innovation, Swedish Medical Center, Seattle, WA 98109, USA; Providence St. Joseph Health, Renton, WA 98057, USA
| | - William R Berrington
- Swedish Center for Research and Innovation, Swedish Medical Center, Seattle, WA 98109, USA; Providence St. Joseph Health, Renton, WA 98057, USA
| | - Julie A Wallick
- Swedish Center for Research and Innovation, Swedish Medical Center, Seattle, WA 98109, USA; Providence St. Joseph Health, Renton, WA 98057, USA
| | - Rebecca A Cochran
- Swedish Center for Research and Innovation, Swedish Medical Center, Seattle, WA 98109, USA; Providence St. Joseph Health, Renton, WA 98057, USA
| | - Mary E Micikas
- Swedish Center for Research and Innovation, Swedish Medical Center, Seattle, WA 98109, USA; Providence St. Joseph Health, Renton, WA 98057, USA
| | - Terri Wrin
- Monogram Biosciences, South San Francisco, CA 94080, USA
| | | | - Hunter R Cole
- St. John's Cancer Institute at Saint John's Health Center, Santa Monica, CA 90404, USA
| | - Trevan D Fischer
- St. John's Cancer Institute at Saint John's Health Center, Santa Monica, CA 90404, USA
| | - Wei Wei
- Institute for Systems Biology, Seattle, WA 98109, USA
| | - Dave S B Hoon
- St. John's Cancer Institute at Saint John's Health Center, Santa Monica, CA 90404, USA
| | | | - Naeha Subramanian
- Institute for Systems Biology, Seattle, WA 98109, USA; Department of Global Heath and Department of Immunology, University of Washington, Seattle, WA 98109, USA
| | - Joshua A Hill
- Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Research Center, Seattle, WA 98109, USA; Division of Allergy and Infectious Diseases, Department of Medicine, University of Washington, Seattle, WA 98109, USA
| | | | | | - Antoni Ribas
- Department of Medicine, University of California, Los Angeles, and Parker Institute for Cancer Immunotherapy, Los Angeles, CA 90095, USA
| | - Lewis L Lanier
- Department of Microbiology and Immunology, University of California, San Francisco, and Parker Institute for Cancer Immunotherapy, San Francisco, CA 94143, USA
| | - Scott D Boyd
- Department of Pathology, Stanford University, Stanford, CA 94304, USA
| | - Jeffrey A Bluestone
- Diabetes Center, University of California, San Francisco, San Francisco, CA 94143, USA
| | - Helen Chu
- Division of Global Health, University of Washington, Seattle, WA 98105, USA; Division of Allergy and Infectious Diseases, Department of Medicine, University of Washington, Seattle, WA 98109, USA
| | - Leroy Hood
- Institute for Systems Biology, Seattle, WA 98109, USA; Providence St. Joseph Health, Renton, WA 98057, USA
| | - Raphael Gottardo
- Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Research Center, Seattle, WA 98109, USA; Division of Public Health Sciences, Fred Hutchinson Cancer Research Center, Seattle, WA 98109, USA; Department of Statistics, University of Washington, Seattle, WA 98195, USA; Biomedical Data Sciences, Lausanne University Hospital, University of Lausanne, Lausanne, 1011, Switzerland
| | - Philip D Greenberg
- Clinical Research Division, Program in Immunology, Fred Hutchinson Cancer Research Center, Seattle, WA 98109, USA; Departments of Immunology and Medicine, University of Washington, Seattle, WA 98109, USA
| | - Mark M Davis
- Institute for Immunity, Transplantation and Infection, Stanford University School of Medicine, Stanford, CA 94305, USA; Department of Microbiology and Immunology, Stanford University School of Medicine, Stanford, CA 94305, USA; The Howard Hughes Medical Institute, Stanford University School of Medicine, Stanford, CA 94305, USA
| | - Jason D Goldman
- Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Research Center, Seattle, WA 98109, USA; Division of Allergy and Infectious Diseases, Department of Medicine, University of Washington, Seattle, WA 98109, USA; Swedish Center for Research and Innovation, Swedish Medical Center, Seattle, WA 98109, USA; Providence St. Joseph Health, Renton, WA 98057, USA.
| | - James R Heath
- Institute for Systems Biology, Seattle, WA 98109, USA; Department of Bioengineering, University of Washington, Seattle, WA 98105, USA.
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Guo Q, Ni C, Li L, Li M, Jiang X, Gao L, Zhu H, Song J. Integrated Traditional Chinese Medicine Improves Functional Outcome in Acute Ischemic Stroke: From Clinic to Mechanism Exploration With Gut Microbiota. Front Cell Infect Microbiol 2022; 12:827129. [PMID: 35223549 PMCID: PMC8877419 DOI: 10.3389/fcimb.2022.827129] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2021] [Accepted: 01/14/2022] [Indexed: 12/11/2022] Open
Abstract
As a life-threatening disease, stroke is the leading cause of death and also induces adult disability worldwide. To investigate the efficacy of the integrated traditional Chinese medicine (ITCM) on the therapeutic effects of acute ischemic stroke (AIS) patients, we enrolled 26 patients in the ITCM [Tanhuo decoction (THD) + Western medicine (WM)] group and 23 in the WM group. Thirty healthy people were also included in the healthy control (HC) group. ITCM achieved better functional outcomes than WM, including significant reduction of the phlegm-heat syndrome and neurological impairment, and improvement of ability. These facts were observed in different pretreatment gut enterotypes. In this paper, we collected the stool samples of all participants and analyzed the 16S rRNA sequence data of the gut microbiota. We identified two enterotypes (Type-A and Type-B) of the gut microbial community in AIS samples before treatment. Compared to Type-B, Type-A was characterized by a high proportion of Bacteroides, relatively high diversity, and severe functional damage. In the ITCM treatment group, we observed better clinical efficacy and positive alterations in microbial diversity and beneficial bacterial abundance, and the effect of approaching healthy people’s gut microbiota, regardless of gut enterotypes identified in pretreatment. Furthermore, we detected several gut microbiota as potential therapeutic targets of ITCM treatment by analyzing the correlations between bacterial abundance alterations and functional outcomes, where Dorea with the strongest correlation was known to produce anti-inflammatory metabolite and negatively linked to trimethylamine-N-oxide (TMAO), a biomarker of AIS. This study analyzed clinical and gut microbial data and revealed the possibility of a broad application independent of the enterotypes, as well as the therapeutic targets of the ITCM in treating AIS patients with phlegm-heat syndrome.
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Affiliation(s)
- Qian Guo
- Department of Neurology, Xuanwu Hospital, Capital Medical University, Beijing, China
- State Key Laboratory for Turbulence and Complex Systems, Department of Biomedical Engineering, College of Future Technology and Center for Quantitative Biology, Peking University, Beijing, China
- Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, GA, United States
| | - Can Ni
- Department of Neurology, Xuanwu Hospital, Capital Medical University, Beijing, China
- State Key Laboratory for Turbulence and Complex Systems, Department of Biomedical Engineering, College of Future Technology and Center for Quantitative Biology, Peking University, Beijing, China
| | - Linjing Li
- Department of Neurology, Beijing Chaoyang Integrative Medicine Emergency Medical Center, Beijing, China
| | - Mo Li
- State Key Laboratory for Turbulence and Complex Systems, Department of Biomedical Engineering, College of Future Technology and Center for Quantitative Biology, Peking University, Beijing, China
| | - Xiaoqing Jiang
- State Key Laboratory for Turbulence and Complex Systems, Department of Biomedical Engineering, College of Future Technology and Center for Quantitative Biology, Peking University, Beijing, China
| | - Li Gao
- Department of Neurology, Xuanwu Hospital, Capital Medical University, Beijing, China
| | - Huaiqiu Zhu
- State Key Laboratory for Turbulence and Complex Systems, Department of Biomedical Engineering, College of Future Technology and Center for Quantitative Biology, Peking University, Beijing, China
- Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, GA, United States
- *Correspondence: Juexian Song, ; Huaiqiu Zhu,
| | - Juexian Song
- Department of Neurology, Xuanwu Hospital, Capital Medical University, Beijing, China
- *Correspondence: Juexian Song, ; Huaiqiu Zhu,
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Zou Y, Song X, Liu N, Sun W, Liu B. Intestinal Flora: A Potential New Regulator of Cardiovascular Disease. Aging Dis 2022; 13:753-772. [PMID: 35656118 PMCID: PMC9116925 DOI: 10.14336/ad.2021.1022] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2021] [Accepted: 10/22/2021] [Indexed: 12/02/2022] Open
Abstract
Although substantial progress has been made in reducing the burden of the disease by preventing the risk factors of cardiovascular disease (CVD), potential risk factors still exist and lead to its progression. In recent years, numerous studies have revealed that intestinal flora can interfere with the physiological processes of the host through changes in composition and function or related metabolites. Intestinal flora thus affects the occurrence and development of a variety of CVDs, including atherosclerosis, ischemic heart disease, and heart failure. Moreover, studies have found that interventions for intestinal flora and its metabolites provide new opportunities for CVD treatment. This article mainly discusses the interaction between the human intestinal flora and its metabolites, the occurrence and development of CVD, and the potential of intestinal flora as a new target for the diagnosis and treatment of CVD.
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Affiliation(s)
| | | | | | - Wei Sun
- Correspondence should be addressed to: Dr. Sun Wei () and Bin Liu (), Department of Cardiology, The Second Hospital of Jilin University, Changchun, China
| | - Bin Liu
- Correspondence should be addressed to: Dr. Sun Wei () and Bin Liu (), Department of Cardiology, The Second Hospital of Jilin University, Changchun, China
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Changes in gut-microbiota-related metabolites and long-term improvements in lipoprotein subspecies in overweight and obese adults: the POUNDS lost trial. Int J Obes (Lond) 2021; 45:2600-2607. [PMID: 34426648 PMCID: PMC8608703 DOI: 10.1038/s41366-021-00939-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/11/2020] [Revised: 07/23/2021] [Accepted: 08/11/2021] [Indexed: 02/07/2023]
Abstract
BACKGROUND/OBJECTIVES Alterations in gut microbiota have been linked to obesity and impaired lipid metabolism. Lipoproteins are heterogeneous, and lipoprotein subspecies containing apolipoprotein C-III (apoCIII) have adverse associations with obesity and related cardiometabolic abnormalities. We investigated associations of weight-loss diet-induced decreases in atherogenic gut-microbial metabolites, trimethylamine N-oxide (TMAO) and L-carnitine, with improvements in atherogenic lipoproteins containing apoCIII among patients with obesity. SUBJECTS/METHODS This study included overweight and obese adults who participated in a 2-year weight-loss dietary intervention, the POUNDS Lost trial. Blood levels of TMAO and L-carnitine were measured at baseline and 6 months after the intervention; 6-month changes in the metabolites were calculated. We evaluated 2-year changes in lipid profiles (n = 395) and cholesterol [Chol] in lipoprotein (very-low-density lipoprotein (VLDL), low-density lipoprotein (LDL), and high-density lipoprotein (HDL)) subfractions defined by the presence or absence of apoCIII (n = 277). RESULTS The initial (6-month) decrease in L-carnitine was significantly associated with long-term (2-year) reductions in non-HDL-Chol and LDL-Chol (p < 0.05). Also, the decrease in L-carnitine was significantly related to decreases in Chol in LDL with apoCIII (p = 0.034) and Chol in [LDL + VLDL] with apoCIII (p = 0.018). We found significant interactions between dietary fat and TMAO on changes in LDL-Chol (Pinteraction = 0.013) and Chol in [LDL + VLDL] with apoCIII (Pinteraction = 0.0048); a greater increase in TMAO was related to lesser improvements in the lipoprotein outcomes if participants consumed a high-fat compared to a low-fat diet. CONCLUSIONS Changes in TMAO and L-carnitine induced by weight-loss diets were associated with long-term improvements in atherogenic lipoproteins containing apoCIII, implicating that these metabolic changes might be predictive of an individual's response to the dietary treatment to modify the unfavorable lipid profiles in obese patients. Dietary fat intake might modify associations of TMAO changes with long-term improvements of atherogenic cholesterol metabolism in overweight and obese adults. CLINICALTRIALS. GOV IDENTIFIER NCT00072995.
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Xu DJ, Wang KC, Yuan LB, Li HF, Xu YY, Wei LY, Chen L, Jin KK, Lin QQ. Compositional and functional alterations of gut microbiota in patients with stroke. Nutr Metab Cardiovasc Dis 2021; 31:3434-3448. [PMID: 34666915 DOI: 10.1016/j.numecd.2021.08.045] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/11/2021] [Revised: 08/03/2021] [Accepted: 08/25/2021] [Indexed: 12/12/2022]
Abstract
BACKGROUND AND AIMS There is accumulating evidence that gut microbiota plays a key role in cardiovascular diseases. Gut bacteria can transform dietary choline, l-carnitine, and trimethylamine N-oxide (TMAO) into trimethylamine, which can be oxidized into TMAO again in the liver. However, the alterations of the gut microbiota in large artery atherosclerotic (LAA) stroke and cardioembolic (CE) stroke have been less studied. METHODS AND RESULTS We performed a case-control study in patients with LAA and CE types of strokes. We profiled the gut microbiome using Illumina sequencing of the 16S ribosomal RNA gene (V4-V5 regions), and TMAO was determined via liquid chromatography-tandem mass spectrometry. Our results showed that the TMAO levels in the plasma of patients with LAA and CE strokes were significantly higher than those in controls (LAA stroke, 2931 ± 456.4 ng/mL; CE stroke, 4220 ± 577.6 ng/mL; healthy control, 1663 ± 117.8 ng/mL; adjusted p < 0.05). The TMAO level in the plasma of patients with LAA stroke was positively correlated with the carotid plaque area (rho = 0.333, 95% CI = 0.08-0.55, p = 0.0093). Notably, the composition and the function of gut microbiota in the LAA stroke group were significantly different from those in the control group (FDR-adjusted p-value < 0.05). There was no significant association between gut microbiota and CE stroke in our study. CONCLUSION This study provides evidence for significant compositional and functional alterations of the gut microbiome in patients with LAA stroke. Gut microbiota might serve as a potential biomarker for patients with LAA stroke.
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Affiliation(s)
- Dong-Juan Xu
- Department of Neurology, Dongyang Affiliated Hospital of Wenzhou Medical University, Dongyang, 322100, China
| | - Kai-Cheng Wang
- Key Laboratory of Critical Emergency and Artificial Intelligence of Zhejiang Province, Wenzhou 325000, China
| | - Lin-Bo Yuan
- Department of Physiology, Wenzhou Medical University, Wenzhou, China
| | - Hong-Fei Li
- Department of Neurology, Dongyang Affiliated Hospital of Wenzhou Medical University, Dongyang, 322100, China
| | - Yun-Yun Xu
- Department of Neurology, Dongyang Affiliated Hospital of Wenzhou Medical University, Dongyang, 322100, China
| | - Lian-Yan Wei
- Department of Neurology, Dongyang Affiliated Hospital of Wenzhou Medical University, Dongyang, 322100, China
| | - Li Chen
- Department of orthopaedics, St. Vincent's Hospital Melbourne, 41 Victoria Parade, Fizroy VIC, 3065, Australia
| | - Ke-Ke Jin
- Department of Pathophysiology Wenzhou Medical University, Wenzhou, China.
| | - Qiong-Qiong Lin
- Department of Pathology, The Second Affiliated Hospital & Yuying Children´s Hospital of Wenzhou Medical University, Wenzhou, China.
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Ferrell M, Bazeley P, Wang Z, Levison BS, Li XS, Jia X, Krauss RM, Knight R, Lusis AJ, Garcia‐Garcia JC, Hazen SL, Tang WHW. Fecal Microbiome Composition Does Not Predict Diet-Induced TMAO Production in Healthy Adults. J Am Heart Assoc 2021; 10:e021934. [PMID: 34713713 PMCID: PMC8751816 DOI: 10.1161/jaha.121.021934] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Background Trimethylamine-N-oxide (TMAO) is a small molecule derived from the metabolism of dietary nutrients by gut microbes and contributes to cardiovascular disease. Plasma TMAO increases following consumption of red meat. This metabolic change is thought to be partly because of the expansion of gut microbes able to use nutrients abundant in red meat. Methods and Results We used data from a randomized crossover study to estimate the degree to which TMAO can be estimated from fecal microbial composition. Healthy participants received a series of 3 diets that differed in protein source (red meat, white meat, and non-meat), and fecal, plasma, and urine samples were collected following 4 weeks of exposure to each diet. TMAO was quantitated in plasma and urine, while shotgun metagenomic sequencing was performed on fecal DNA. While the cai gene cluster was weakly correlated with plasma TMAO (rho=0.17, P=0.0007), elastic net models of TMAO were not improved by abundances of bacterial genes known to contribute to TMAO synthesis. A global analysis of all taxonomic groups, genes, and gene families found no meaningful predictors of TMAO. We postulated that abundances of known genes related to TMAO production do not predict bacterial metabolism, and we measured choline- and carnitine-trimethylamine lyase activity during fecal culture. Trimethylamine lyase genes were only weakly correlated with the activity of the enzymes they encode. Conclusions Fecal microbiome composition does not predict systemic TMAO because, in this case, gene copy number does not predict bacterial metabolic activity. Registration URL: https://www.clinicaltrials.gov; Unique identifier: NCT01427855.
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Affiliation(s)
- Marc Ferrell
- Department of Cardiovascular and Metabolic SciencesLerner Research InstituteCleveland ClinicClevelandOH
- Department of Systems Biology and BioinformaticsCase Western Reserve UniversityClevelandOH
| | - Peter Bazeley
- Department of Quantitative Health SciencesLerner Research InstituteCleveland ClinicClevelandOH
| | - Zeneng Wang
- Department of Cardiovascular and Metabolic SciencesLerner Research InstituteCleveland ClinicClevelandOH
| | - Bruce S. Levison
- Department of Cardiovascular and Metabolic SciencesLerner Research InstituteCleveland ClinicClevelandOH
| | - Xinmin S. Li
- Department of Cardiovascular and Metabolic SciencesLerner Research InstituteCleveland ClinicClevelandOH
| | - Xun Jia
- Department of Cardiovascular and Metabolic SciencesLerner Research InstituteCleveland ClinicClevelandOH
| | | | - Rob Knight
- Department of PediatricsDepartment of Computer Science and EngineeringDepartment of Bioengineering, and The Center for Microbiome InnovationUniversity of California, San DiegoLa JollaCA
| | - Aldons J. Lusis
- Departments of Human Genetics and MedicineDavid Geffen School of MedicineUniversity of California Los AngelesLos AngelesCA
| | - J. C. Garcia‐Garcia
- Life Sciences Transformative Platform TechnologiesProcter & GambleCincinnatiOH
| | - Stanley L. Hazen
- Department of Cardiovascular and Metabolic SciencesLerner Research InstituteCleveland ClinicClevelandOH
- Department of Cardiovascular MedicineHeart, Vascular and Thoracic Institute, Cleveland ClinicClevelandOH
| | - W. H. Wilson Tang
- Department of Cardiovascular and Metabolic SciencesLerner Research InstituteCleveland ClinicClevelandOH
- Department of Cardiovascular MedicineHeart, Vascular and Thoracic Institute, Cleveland ClinicClevelandOH
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Kapetanaki S, Kumawat AK, Persson K, Demirel I. The Fibrotic Effects of TMAO on Human Renal Fibroblasts Is Mediated by NLRP3, Caspase-1 and the PERK/Akt/mTOR Pathway. Int J Mol Sci 2021; 22:ijms222111864. [PMID: 34769294 PMCID: PMC8584593 DOI: 10.3390/ijms222111864] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2021] [Revised: 10/24/2021] [Accepted: 10/30/2021] [Indexed: 02/06/2023] Open
Abstract
Trimethylamine N-oxide (TMAO), a product of gut microbiota metabolism, has previously been shown to be implicated in chronic kidney disease. A high TMAO-containing diet has been found to cause tubulointerstitial renal fibrosis in mice. However, today there are no data linking specific molecular pathways with the effect of TMAO on human renal fibrosis. The aim of this study was to investigate the fibrotic effects of TMAO on renal fibroblasts and to elucidate the molecular pathways involved. We found that TMAO promoted renal fibroblast activation and fibroblast proliferation via the PERK/Akt/mTOR pathway, NLRP3, and caspase-1 signaling. We also found that TMAO increased the total collagen production from renal fibroblasts via the PERK/Akt/mTOR pathway. However, TMAO did not induce fibronectin or TGF-β1 release from renal fibroblasts. We have unraveled that the PERK/Akt/mTOR pathway, NLRP3, and caspase-1 mediates TMAO’s fibrotic effect on human renal fibroblasts. Our results can pave the way for future research to further clarify the molecular mechanism behind TMAO’s effects and to identify novel therapeutic targets in the context of chronic kidney disease.
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Affiliation(s)
- Stefania Kapetanaki
- School of Medical Sciences, Campus USÖ, Örebro University, 701 82 Örebro, Sweden; (A.K.K.); (K.P.); (I.D.)
- Nephrology Department, Karolinska University Hospital, 171 76 Solna, Sweden
- Nephrology Department, Karolinska University Hospital, 141 86 Huddinge, Sweden
- Correspondence: ; Tel.: +46-1930-3000
| | - Ashok Kumar Kumawat
- School of Medical Sciences, Campus USÖ, Örebro University, 701 82 Örebro, Sweden; (A.K.K.); (K.P.); (I.D.)
- Cardiovascular Research Center, School of Medical Sciences, Örebro University, 701 82 Örebro, Sweden
| | - Katarina Persson
- School of Medical Sciences, Campus USÖ, Örebro University, 701 82 Örebro, Sweden; (A.K.K.); (K.P.); (I.D.)
- iRiSC—Inflammatory Response and Infection Susceptibility Center, Faculty of Medicine and Health, Örebro University, 701 82 Örebro, Sweden
| | - Isak Demirel
- School of Medical Sciences, Campus USÖ, Örebro University, 701 82 Örebro, Sweden; (A.K.K.); (K.P.); (I.D.)
- iRiSC—Inflammatory Response and Infection Susceptibility Center, Faculty of Medicine and Health, Örebro University, 701 82 Örebro, Sweden
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Chernevskaya E, Zuev E, Odintsova V, Meglei A, Beloborodova N. Gut Microbiota as Early Predictor of Infectious Complications before Cardiac Surgery: A Prospective Pilot Study. J Pers Med 2021; 11:jpm11111113. [PMID: 34834465 PMCID: PMC8622065 DOI: 10.3390/jpm11111113] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2021] [Revised: 10/26/2021] [Accepted: 10/27/2021] [Indexed: 02/06/2023] Open
Abstract
Cardiac surgery remains a field of medicine with a high percentage of postoperative complications, including infectious ones. Modern data indicate a close relationship of infectious disorders with pathological changes in the composition of the gut microbiome; however, the extent of such changes in cardiac surgery patients is not fully clarified. In this prospective, observational, single center, pilot study, 72 patients were included, 12 among them with the infectious complications. We analyzed the features of the fecal microbiota before and in the early postoperative period, as one of the markers for predicting the occurrence of bacterial infection. We also discovered the significant change in microbial composition in the group of patients with infectious complications compared to the non-infectious group before and after cardiac surgery, despite the intra-individual variation in composition of gut microbiome. Our study demonstrated that the group of patients that had a bacterial infection in the early postoperative period already had an altered microbial composition even before the surgery. Further studies will evaluate the clinical significance of the identified proportions of individual taxa of the intestinal microbiota and consider the microbiota as a novel target for reducing the risk of infectious complications.
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Affiliation(s)
- Ekaterina Chernevskaya
- Federal Research and Clinical Center of Intensive Care Medicine and Rehabilitology, 25-2 Petrovka Str., 107031 Moscow, Russia; (E.Z.); (A.M.); (N.B.)
- Correspondence: ; Tel.: +7-906-792-7041
| | - Evgenii Zuev
- Federal Research and Clinical Center of Intensive Care Medicine and Rehabilitology, 25-2 Petrovka Str., 107031 Moscow, Russia; (E.Z.); (A.M.); (N.B.)
- N. Pirogov National Medical Surgical Center, 70 Nizhnyaya Pervomayskaya Str., 105203 Moscow, Russia
| | - Vera Odintsova
- Atlas Biomed Group—Knomics LLC, 31 Malaya Nikitskaya Str., 121069 Moscow, Russia;
| | - Anastasiia Meglei
- Federal Research and Clinical Center of Intensive Care Medicine and Rehabilitology, 25-2 Petrovka Str., 107031 Moscow, Russia; (E.Z.); (A.M.); (N.B.)
| | - Natalia Beloborodova
- Federal Research and Clinical Center of Intensive Care Medicine and Rehabilitology, 25-2 Petrovka Str., 107031 Moscow, Russia; (E.Z.); (A.M.); (N.B.)
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Baseline Gut Metagenomic Functional Gene Signature Associated with Variable Weight Loss Responses following a Healthy Lifestyle Intervention in Humans. mSystems 2021; 6:e0096421. [PMID: 34519531 PMCID: PMC8547453 DOI: 10.1128/msystems.00964-21] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
Abstract
Recent human feeding studies have shown how the baseline taxonomic composition of the gut microbiome can determine responses to weight loss interventions. However, the functional determinants underlying this phenomenon remain unclear. We report a weight loss response analysis on a cohort of 105 individuals selected from a larger population enrolled in a commercial wellness program, which included healthy lifestyle coaching. Each individual in the cohort had baseline blood metabolomics, blood proteomics, clinical labs, dietary questionnaires, stool 16S rRNA gene sequencing data, and follow-up data on weight change. We generated additional targeted proteomics data on obesity-associated proteins in blood before and after intervention, along with baseline stool metagenomic data, for a subset of 25 individuals who showed the most extreme weight change phenotypes. We built regression models to identify baseline blood, stool, and dietary features associated with weight loss, independent of age, sex, and baseline body mass index (BMI). Many features were independently associated with baseline BMI, but few were independently associated with weight loss. Baseline diet was not associated with weight loss, and only one blood analyte was associated with changes in weight. However, 31 baseline stool metagenomic functional features, including complex polysaccharide and protein degradation genes, stress-response genes, respiration-related genes, and cell wall synthesis genes, along with gut bacterial replication rates, were associated with weight loss responses after controlling for age, sex, and baseline BMI. Together, these results provide a set of compelling hypotheses for how commensal gut microbiota influence weight loss outcomes in humans. IMPORTANCE Recent human feeding studies have shown how the baseline taxonomic composition of the gut microbiome can determine responses to dietary interventions, but the exact functional determinants underlying this phenomenon remain unclear. In this study, we set out to better understand interactions between baseline BMI, metabolic health, diet, gut microbiome functional profiles, and subsequent weight changes in a human cohort that underwent a healthy lifestyle intervention. Overall, our results suggest that the microbiota may influence host weight loss responses through variable bacterial growth rates, dietary energy harvest efficiency, and immunomodulation.
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A Scoping Review of the Application of Metabolomics in Nutrition Research: The Literature Survey 2000-2019. Nutrients 2021; 13:nu13113760. [PMID: 34836016 PMCID: PMC8623534 DOI: 10.3390/nu13113760] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2021] [Revised: 10/19/2021] [Accepted: 10/19/2021] [Indexed: 12/29/2022] Open
Abstract
Nutrimetabolomics is an emerging field in nutrition research, and it is expected to play a significant role in deciphering the interaction between diet and health. Through the development of omics technology over the last two decades, the definition of food and nutrition has changed from sources of energy and major/micro-nutrients to an essential exposure factor that determines health risks. Furthermore, this new approach has enabled nutrition research to identify dietary biomarkers and to deepen the understanding of metabolic dynamics and the impacts on health risks. However, so far, candidate markers identified by metabolomics have not been clinically applied and more efforts should be made to validate those. To help nutrition researchers better understand the potential of its application, this scoping review outlined the historical transition, recent focuses, and future prospects of the new realm, based on trends in the number of human research articles from the early stage of 2000 to the present of 2019 by searching the Medical Literature Analysis and Retrieval System Online (MEDLINE). Among them, objective dietary assessment, metabolic profiling, and health risk prediction were positioned as three of the principal applications. The continued growth will enable nutrimetabolomics research to contribute to personalized nutrition in the future.
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49
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Karlsen TR, Kong XY, Holm S, Quiles-Jiménez A, Dahl TB, Yang K, Sagen EL, Skarpengland T, S Øgaard JD, Holm K, Vestad B, Olsen MB, Aukrust P, Bjørås M, Hov JR, Halvorsen B, Gregersen I. NEIL3-deficiency increases gut permeability and contributes to a pro-atherogenic metabolic phenotype. Sci Rep 2021; 11:19749. [PMID: 34611194 PMCID: PMC8492623 DOI: 10.1038/s41598-021-98820-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2021] [Accepted: 09/09/2021] [Indexed: 12/12/2022] Open
Abstract
Atherosclerosis and its consequences cause considerable morbidity and mortality world-wide. We have previously shown that expression of the DNA glycosylase NEIL3 is regulated in human atherosclerotic plaques, and that NEIL3-deficiency enhances atherogenesis in Apoe-/- mice. Herein, we identified a time point prior to quantifiable differences in atherosclerosis between Apoe-/-Neil3-/- mice and Apoe-/- mice. Mice at this age were selected to explore the metabolic and pathophysiological processes preceding extensive atherogenesis in NEIL3-deficient mice. Untargeted metabolomic analysis of young Apoe-/-Neil3-/- mice revealed significant metabolic disturbances as compared to mice expressing NEIL3, particularly in metabolites dependent on the gut microbiota. 16S rRNA gene sequencing of fecal bacterial DNA indeed confirmed that the NEIL3-deficient mice had altered gut microbiota, as well as increased circulating levels of the bacterially derived molecule LPS. The mice were challenged with a FITC-conjugated dextran to explore gut permeability, which was significantly increased in the NEIL3-deficient mice. Further, immunohistochemistry showed increased levels of the proliferation marker Ki67 in the colonic epithelium of NEIL3-deficient mice, suggesting increased proliferation of intestinal cells and gut leakage. We suggest that these metabolic alterations serve as drivers of atherosclerosis in NEIL3-deficient mice.
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Affiliation(s)
- Tom Rune Karlsen
- Research Institute of Internal Medicine, Oslo University Hospital, Rikshospitalet, Oslo, Norway.
- Institute of Clinical Medicine, Faculty of Medicine, University of Oslo, Oslo, Norway.
| | - Xiang Yi Kong
- Research Institute of Internal Medicine, Oslo University Hospital, Rikshospitalet, Oslo, Norway
| | - Sverre Holm
- Research Institute of Internal Medicine, Oslo University Hospital, Rikshospitalet, Oslo, Norway
| | - Ana Quiles-Jiménez
- Research Institute of Internal Medicine, Oslo University Hospital, Rikshospitalet, Oslo, Norway
| | - Tuva B Dahl
- Research Institute of Internal Medicine, Oslo University Hospital, Rikshospitalet, Oslo, Norway
- Department of Research and Development, Division of Emergencies and Critical Care, Oslo University Hospital HF, Rikshospitalet, Oslo, Norway
| | - Kuan Yang
- Research Institute of Internal Medicine, Oslo University Hospital, Rikshospitalet, Oslo, Norway
- Institute of Clinical Medicine, Faculty of Medicine, University of Oslo, Oslo, Norway
| | - Ellen L Sagen
- Research Institute of Internal Medicine, Oslo University Hospital, Rikshospitalet, Oslo, Norway
| | - Tonje Skarpengland
- Research Institute of Internal Medicine, Oslo University Hospital, Rikshospitalet, Oslo, Norway
- Section of Clinical Immunology and Infectious Diseases, Oslo University Hospital, Rikshospitalet, Oslo, Norway
| | - Jonas D S Øgaard
- Research Institute of Internal Medicine, Oslo University Hospital, Rikshospitalet, Oslo, Norway
| | - Kristian Holm
- Research Institute of Internal Medicine, Oslo University Hospital, Rikshospitalet, Oslo, Norway
- Institute of Clinical Medicine, Faculty of Medicine, University of Oslo, Oslo, Norway
- Norwegian PSC Research Center, Department of Transplantation Medicine, Oslo University Hospital, Oslo, Norway
| | - Beate Vestad
- Research Institute of Internal Medicine, Oslo University Hospital, Rikshospitalet, Oslo, Norway
- Section of Gastroenterology, Department of Transplantation Medicine, Oslo University Hospital, Oslo, Norway
| | - Maria B Olsen
- Research Institute of Internal Medicine, Oslo University Hospital, Rikshospitalet, Oslo, Norway
| | - Pål Aukrust
- Research Institute of Internal Medicine, Oslo University Hospital, Rikshospitalet, Oslo, Norway
- Institute of Clinical Medicine, Faculty of Medicine, University of Oslo, Oslo, Norway
- Section of Clinical Immunology and Infectious Diseases, Oslo University Hospital, Rikshospitalet, Oslo, Norway
| | - Magnar Bjørås
- Department of Microbiology, Oslo University Hospital, Rikshospitalet, Oslo, Norway
- Department of Clinical and Molecular Medicine, Norwegian University of Science and Technology, Trondheim, Norway
| | - Johannes R Hov
- Research Institute of Internal Medicine, Oslo University Hospital, Rikshospitalet, Oslo, Norway
- Institute of Clinical Medicine, Faculty of Medicine, University of Oslo, Oslo, Norway
- Section of Gastroenterology, Department of Transplantation Medicine, Oslo University Hospital, Oslo, Norway
- Norwegian PSC Research Center, Department of Transplantation Medicine, Oslo University Hospital, Oslo, Norway
| | - Bente Halvorsen
- Research Institute of Internal Medicine, Oslo University Hospital, Rikshospitalet, Oslo, Norway.
- Institute of Clinical Medicine, Faculty of Medicine, University of Oslo, Oslo, Norway.
| | - Ida Gregersen
- Research Institute of Internal Medicine, Oslo University Hospital, Rikshospitalet, Oslo, Norway.
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A low aromatic amino-acid diet improves renal function and prevent kidney fibrosis in mice with chronic kidney disease. Sci Rep 2021; 11:19184. [PMID: 34584168 PMCID: PMC8479128 DOI: 10.1038/s41598-021-98718-x] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2021] [Accepted: 09/06/2021] [Indexed: 01/18/2023] Open
Abstract
Despite decades of use of low protein diets (LPD) in the management of chronic kidney disease (CKD), their mechanisms of action are unclear. A reduced production of uremic toxins could contribute to the benefits of LPDs. Aromatic amino-acids (AA) are precursors of major uremic toxins such as p-cresyl sulfate (PCS) and indoxyl sulfate (IS). We hypothesize that a low aromatic amino acid diet (LA-AAD, namely a low intake of tyrosine, tryptophan and phenylalanine) while being normoproteic, could be as effective as a LPD, through the decreased production of uremic toxins. Kidney failure was chemically induced in mice with a diet containing 0.25% (w/w) of adenine. Mice received three different diets for six weeks: normoproteic diet (NPD: 14.7% proteins, aromatic AAs 0.019%), LPD (5% proteins, aromatic AAs 0.007%) and LA-AAD (14% proteins, aromatic AAs 0.007%). Both LPD and LA-AAD significantly reduced proteinuria, kidney fibrosis and inflammation. While LPD only slightly decreased plasma free PCS and free IS compared to NPD; free fractions of both compounds were significantly decreased by LA-AAD. These results suggest that a LA-AAD confers similar benefits of a LPD in delaying the progression of CKD through a reduction in some key uremic toxins production (such as PCS and IS), with a lower risk of malnutrition.
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