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Trouki C, Campanella B, Onor M, Vornoli A, Pozzo L, Longo V, Bramanti E. Probing the alterations in mice cecal content due to high-fat diet. Food Chem 2024; 455:139856. [PMID: 38823144 DOI: 10.1016/j.foodchem.2024.139856] [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: 01/26/2024] [Revised: 05/20/2024] [Accepted: 05/25/2024] [Indexed: 06/03/2024]
Abstract
The global prevalence of obesity more than doubled between 1990 and 2022. By 2022, 2.5 billion adults aged 18 and older were overweight, with over 890 million of them living with obesity. The urgent need for understanding the impact of high-fat diet, together with the demanding of analytical methods with low energy/chemicals consumption, can be fulfilled by rapid, high-throughput spectroscopic techniques. To understand the impact of high-fat diet on the metabolic signatures of mouse cecal contents, we characterized metabolite variations in two diet-groups (standard vs high-fat diet) using FTIR spectroscopy and multivariate analysis. Their cecal content showed distinct spectral features corresponding to high- and low-molecular-weight metabolites. Further quantification of 13 low-molecular-weight metabolites using liquid chromatography showed significant reduction in the production of short chain fatty acids and amino acids associated with high-fat diet samples. These findings demonstrated the potential of spectroscopy to follow changes in gut metabolites.
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Affiliation(s)
- Cheherazade Trouki
- CNR-IPCF, Institute of Chemical and Physical Processes, National Research Council, via Moruzzi 1, Pisa 56124, Italy; Department of Pharmacy, University of Pisa, Via Bonanno 6, Pisa 56126, Italy
| | - Beatrice Campanella
- CNR-ICCOM, Institute of Chemistry of Organometallic Compounds, National Research Council, via Moruzzi 1, Pisa 56124, Italy.
| | - Massimo Onor
- CNR-ICCOM, Institute of Chemistry of Organometallic Compounds, National Research Council, via Moruzzi 1, Pisa 56124, Italy
| | - Andrea Vornoli
- CNR-IBBA, Institute of Agricultural Biology and Biotechnology, National Research Council, Via Moruzzi 1, Pisa 56124, Italy
| | - Luisa Pozzo
- CNR-IBBA, Institute of Agricultural Biology and Biotechnology, National Research Council, Via Moruzzi 1, Pisa 56124, Italy
| | - Vincenzo Longo
- CNR-IBBA, Institute of Agricultural Biology and Biotechnology, National Research Council, Via Moruzzi 1, Pisa 56124, Italy
| | - Emilia Bramanti
- CNR-ICCOM, Institute of Chemistry of Organometallic Compounds, National Research Council, via Moruzzi 1, Pisa 56124, Italy
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Wang Z, Xu M, Li Q, Lu S, Liu Z. Subchronic Chloroform Exposure Causes Intestinal Damage and Induces Gut Microbiota Disruption and Metabolic Dysregulation in Mice. ENVIRONMENTAL TOXICOLOGY 2024. [PMID: 39221872 DOI: 10.1002/tox.24417] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/19/2023] [Revised: 07/12/2024] [Accepted: 08/20/2024] [Indexed: 09/04/2024]
Abstract
Chloroform is a prevalent toxic environmental pollutant in urban settings, posing risks to human health through exposure via various mediums such as air and tap water. The gut microbiota plays a pivotal role in maintaining host health. However, there is a paucity of research elucidating the impact of chloroform exposure on the gut microbiota. In this investigation, 18 SPF Kunming female mice were stratified into three groups (n = 6) and subjected to oral gavage with chloroform doses equivalent to 0, 50, and 150 mg/kg of body weight over 30 days. Our findings demonstrate that subchronic chloroform exposure significantly perturbs hematological parameters in mice and induces histopathological alterations in cecal tissues, consequently engendering marked disparities in the functional composition of cecal microbiota and metabolic equilibrium of cecal contents. Ultimately, our investigation revealed a statistically robust correlation, exhibiting a high degree of significance, between the intestinal microbiome composition and the metabolites that were differentially expressed consequent to chloroform exposure.
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Affiliation(s)
- Zaishan Wang
- College of Life Science and Technology, Mudanjiang Normal University, Mudanjiang, China
| | - Meng Xu
- College of Life Science and Technology, Mudanjiang Normal University, Mudanjiang, China
| | - Qiang Li
- College of Life Science and Technology, Mudanjiang Normal University, Mudanjiang, China
| | - Sihan Lu
- College of Life Science and Technology, Mudanjiang Normal University, Mudanjiang, China
| | - Zhu Liu
- College of Life Science and Technology, Mudanjiang Normal University, Mudanjiang, China
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Wang Y, Nie J, Yan K, Wang J, Wang X, Zhao Y. Inflammatory diet, gut microbiota and sensorineural hearing loss: a cross-sectional and Mendelian randomization study. Front Nutr 2024; 11:1458484. [PMID: 39221159 PMCID: PMC11363541 DOI: 10.3389/fnut.2024.1458484] [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: 07/02/2024] [Accepted: 08/01/2024] [Indexed: 09/04/2024] Open
Abstract
Aims Inflammatory diets can trigger chronic inflammation and affect gut microbiota. However, the relationship between dietary preferences and sensorineural hearing loss (SNHL) remains unclear. This study aims to elucidate the relationship between different dietary preferences and sensorineural deafness. Methods The Dietary Inflammation Index (DII) and SNHL were defined by data from the National Health and Nutrition Examination Survey (NHANES), and exploring their relationship. Using Mendelian randomization (MR) to analyze the relationship between 34 dietary preferences, 211 gut microbiota, and SNHL. Results Smooth curve fitting indicated that the risk of SNHL increased with increasing DII score when the DII score was greater than 5.15. MR results suggest that a diet including both oily and non-oily fish can substantially reduce the risk of SNHL. Additionally, six specific gut microbiota were found to have significant causal relationship with SNHL. Conclusion An inflammatory diet may increase the risk of developing SNHL. The observed relationship between fish consumption, gut microbiota, and SNHL suggests the existence of a gut-inner ear axis.
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Affiliation(s)
- Yixuan Wang
- Department of Otolaryngology Head and Neck Surgery, Shaanxi Provincial People’s Hospital, Xi’an, China
| | - Jiayi Nie
- Xi’an University of Technology, Xi’an, China
| | - Kaige Yan
- Northwest A&F University, Yangling, China
| | - Jing Wang
- Department of Otolaryngology Head and Neck Surgery, Shaanxi Provincial People’s Hospital, Xi’an, China
| | - Xin Wang
- Department of Otolaryngology Head and Neck Surgery, Shaanxi Provincial People’s Hospital, Xi’an, China
| | - Yuxiang Zhao
- Department of Otolaryngology Head and Neck Surgery, Shaanxi Provincial People’s Hospital, Xi’an, China
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Yan S, He J, Yu X, Shang J, Zhang Y, Bai H, Zhu X, Xie X, Lee L. Causal relationship between gut microbiota and thyroid nodules: a bidirectional two-sample Mendelian randomization study. Front Endocrinol (Lausanne) 2024; 15:1417009. [PMID: 39175567 PMCID: PMC11338761 DOI: 10.3389/fendo.2024.1417009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/13/2024] [Accepted: 07/10/2024] [Indexed: 08/24/2024] Open
Abstract
Objective Emerging evidence suggests alterations in gut microbiota (GM) composition following thyroid nodules (TNs) development, yet the causal relationship remains unclear. Utilizing Mendelian Randomization (MR), this study aims to elucidate the causal dynamics between GM and TNs. Methods Employing summary statistics from the MiBioGen consortium (n=18,340) and FinnGen consortium (1,634 TNs cases, 263,704 controls), we conducted univariable and multivariable MR analyses to explore the GM-TNs association. Techniques including inverse variance weighted, MR-Egger regression, weighted median, and MR-PRESSO were utilized for causal inference. Instrumental variable heterogeneity was assessed through Cochran's Q statistic and leave-one-out analysis. Reverse MR was applied for taxa showing significant forward MR associations, with multivariate adjustments for confounders. Results Our findings suggest that certain microbiota, identified as Ruminococcaceae_NK4A214_group (OR, 1.89; 95%CI, 0.47-7.64; p = 0.040), Senegalimassilia (OR, 1.72; 95%CI, 1.03-2.87; p =0.037), Lachnospiraceae (OR,0.64; 95%CI,0.41-0.99; p =0.045), exhibit a protective influence against TNs' development, indicated by negative causal associations. In contrast, microbiota categorized as Desulfovibrionales (OR, 0.63; 95%CI, 0.41-0.95; p =0.028), Prevotella_7 (OR, 0.79; 95%CI, 0.63-1.00; p =0.049), Faecalibacterium (OR, 0.66; 95%CI, 0.44-1.00; p =0.050), Desulfovibrionaceae (OR, 0.55; 95%CI, 0.35-0.86; p =0.008), Deltaproteobacteria (OR, 0.65; 95%CI, 0.43-0.97; p =0.036) are have a positive correlation with with TNs, suggesting they may serve as risk factors. Reverse MR analyses did not establish significant causal links. After comprehensive adjustment for confounders, taxa Desulfovibrionales (Order), Desulfovibrionaceae (Family), Deltaproteobacteria (Class) remain implicated as potential contributors to TNs' risk. Discussion This study substantiates a significant causal link between GM composition and TNs development, underscoring the thyroid-gut axis's relevance. The findings advocate for the integration of GM profiles in TNs' prevention and management, offering a foundation for future research in this domain.
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Affiliation(s)
- Shaoshuai Yan
- Dongzhimen Hospital, Beijing University of Chinese Medicine, Beijing, China
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Jiawei He
- School of Traditional Chinese Medicine, Hubei University of Chinese Medicine, Wuhan, Hubei, China
| | - Xudong Yu
- Dongzhimen Hospital, Beijing University of Chinese Medicine, Beijing, China
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Jianwei Shang
- Dongzhimen Hospital, Beijing University of Chinese Medicine, Beijing, China
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Yaosheng Zhang
- Dongzhimen Hospital, Beijing University of Chinese Medicine, Beijing, China
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Han Bai
- Dongzhimen Hospital, Beijing University of Chinese Medicine, Beijing, China
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Xingyu Zhu
- Dongzhimen Hospital, Beijing University of Chinese Medicine, Beijing, China
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Xiaoming Xie
- Dongzhimen Hospital, Beijing University of Chinese Medicine, Beijing, China
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Leanne Lee
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
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Li J, Jong MC, Hu H, Gin KYH, He Y. Size-dependent effects of microplastics on intestinal microbiome for Perna viridis. JOURNAL OF HAZARDOUS MATERIALS 2024; 474:134658. [PMID: 38810582 DOI: 10.1016/j.jhazmat.2024.134658] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/20/2023] [Revised: 05/11/2024] [Accepted: 05/17/2024] [Indexed: 05/31/2024]
Abstract
Microplastics pollution threatens to marine organisms, particularly bivalves that actively ingest and accumulate microplastics of certain sizes, potentially disrupting intestinal homeostasis. This study investigated the microplastic abundance in wild and farmed mussels around Singapore, and examined the size-dependent effects of nano- to micro-scale polystyrene (0.5 µm/5 µm/50 µm) on the mussel intestinal microbiome in the laboratory. The field investigation revealed higher microplastic abundance in farmed mussels compared to wild ones. Experimentally, mussels exposed to 0.6 mg/L of microplastics for 7 days, followed by a 7-day depuration period, showed substantial impacts on Spirochaetes and Proteobacteria, facilitating the proliferation of pathogenic species and differentially affecting their pathogenic contributions. Metagenomics analysis revealed that microplastic exposure reduced Spirochaeta's contribution to virulence and pathogenicity loss, did not affect Vibrio and Oceanispirochaeta's pathogenicity, and increased Treponema and Oceanispirochaeta's contributions to pathogenicity loss. Moreover, microplastics increased transmembrane transporters and impacted oxidative phosphorylation enzymes, impairing energy metabolism. These effects persisted after depuration, indicating lack of resilience in the microbiome. Nano- and micro-scale plastics perturbed the mussel microbiome composition and functions in a size-dependent manner, with nano-plastics being the most disruptive. The increasing use and sale of aquaculture equipment of plastic may exacerbate the intestinal dysbiosis in bivalves, which threatens consumers' health.
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Affiliation(s)
- Junnan Li
- School of Environmental Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China; Energy and Environmental Sustainability Solutions for Megacities, Campus for Research Excellence and Technological Enterprise, Singapore 138602, Singapore
| | - Mui-Choo Jong
- Tsinghua Shenzhen International Graduate School, University Town, Shenzhen 518055. China
| | - Hao Hu
- School of Environmental Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Karina Yew-Hoong Gin
- Department of Civil and Environmental Engineering, National University of Singapore, Block E1A07-03, 1 Engineering Drive 2, Singapore 117576, Singapore; Energy and Environmental Sustainability Solutions for Megacities, Campus for Research Excellence and Technological Enterprise, Singapore 138602, Singapore; National University of Singapore Environment Research Institute, National University of Singapore, 1 Create Way, #15-02, Singapore 138602, Singapore.
| | - Yiliang He
- School of Environmental Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China; Energy and Environmental Sustainability Solutions for Megacities, Campus for Research Excellence and Technological Enterprise, Singapore 138602, Singapore; National University of Singapore Environment Research Institute, National University of Singapore, 1 Create Way, #15-02, Singapore 138602, Singapore.
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Hong L, Ma Z, Jing X, Yang H, Ma J, Pu L, Zhang J. Effects of dietary supplementation of polysaccharide from Agaricus blazei Murr on productive performance, egg quality, blood metabolites, intestinal morphology and microbiota of Korean quail. Anim Biosci 2024; 37:1452-1462. [PMID: 38575122 PMCID: PMC11222865 DOI: 10.5713/ab.23.0441] [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: 10/24/2023] [Revised: 12/15/2023] [Accepted: 02/08/2024] [Indexed: 04/06/2024] Open
Abstract
OBJECTIVE This study aimed to investigate the effects of dietary supplementation with Agaricus blazei polysaccharide (ABP) at varying concentrations on the performance, egg quality, blood biochemistry, intestinal morphology, and microflora of quail. METHODS The study involved a total of 2,700 Korean quails, which were randomly divided into three groups. The measured variables encompassed productive performance, egg parameters, carcass parameters, serum metabolites, immune response parameters, antioxidative properties, and gut microbiome. RESULTS The addition of ABP did not have a significant effect on average daily feed intake. However, it was found to increase the average daily egg weight and egg production rate, reduce the feed-egg ratio. There were no significant impacts on egg quality measures such as egg shape index, egg yolk index and color, egg yolk and protein content. However, ABP supplementation significantly increased the Hough unit (p<0.01) and decreased the rate of unqualified eggs (p<0.01). Regarding serum parameters, the inclusion led to an increase in total protein concentration (p<0.05) and a reduction in low-density lipoprotein cholesterol (p<0.05). There were no significant effects observed on immune indicators such as immunoglobulin A (IgA) and IgM. ABP supplementation increased the levels of serum antioxidant indicators, including glutathione peroxidase, total superoxide dismutase (p<0.05), and total antioxidant capacity colorimeter (p<0.05). Furthermore, ABP supplementation significantly elevated the intramuscular fatty acid content in quail meat. Additionally, ABP supplementation demonstrated a significant improvement in the diversity of gut microbiota and induced alterations in the composition of the gut microbiota. CONCLUSION The findings of this study indicate that dietary supplementation of ABP enhanced production performance and antioxidant capacity while increasing the levels of polyunsaturated fatty acids in quail muscle.
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Affiliation(s)
- Liang Hong
- Tianjin Key Laboratory of Agricultural Animal Breeding and Healthy Husbandry, College of Animal Science and Veterinary Medicine, Tianjin Agricultural University, Tianjin 300392,
China
- Tianjin Key Laboratory of Green Ecological Feed, Tianjin 301800,
China
| | - Zheng Ma
- Tianjin Key Laboratory of Agricultural Animal Breeding and Healthy Husbandry, College of Animal Science and Veterinary Medicine, Tianjin Agricultural University, Tianjin 300392,
China
- College of Animal Science and Technology, Guangxi University, Guangxi 530000,
China
| | - Xueyi Jing
- Tianjin Key Laboratory of Agricultural Animal Breeding and Healthy Husbandry, College of Animal Science and Veterinary Medicine, Tianjin Agricultural University, Tianjin 300392,
China
| | - Hua Yang
- Tianjin Key Laboratory of Agricultural Animal Breeding and Healthy Husbandry, College of Animal Science and Veterinary Medicine, Tianjin Agricultural University, Tianjin 300392,
China
| | - Jifei Ma
- Tianjin Key Laboratory of Agricultural Animal Breeding and Healthy Husbandry, College of Animal Science and Veterinary Medicine, Tianjin Agricultural University, Tianjin 300392,
China
| | - Lei Pu
- Tianjin Key Laboratory of Agricultural Animal Breeding and Healthy Husbandry, College of Animal Science and Veterinary Medicine, Tianjin Agricultural University, Tianjin 300392,
China
| | - Jianbin Zhang
- Tianjin Key Laboratory of Agricultural Animal Breeding and Healthy Husbandry, College of Animal Science and Veterinary Medicine, Tianjin Agricultural University, Tianjin 300392,
China
- Tianjin Key Laboratory of Green Ecological Feed, Tianjin 301800,
China
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Xiao JH, Wang Y, Zhang XM, Wang WX, Zhang Q, Tang YP, Yue SJ. Intestinal permeability in human cardiovascular diseases: a systematic review and meta-analysis. Front Nutr 2024; 11:1361126. [PMID: 39086542 PMCID: PMC11289889 DOI: 10.3389/fnut.2024.1361126] [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: 01/05/2024] [Accepted: 07/01/2024] [Indexed: 08/02/2024] Open
Abstract
Background There is a link between cardiovascular diseases and intestinal permeability, but it is not clear. This review aimed to elucidate intestinal permeability in cardiovascular diseases by meta-analysis. Methods Multidisciplinary electronic databases were searched from the database creation to April 2023. All included studies were assessed for risk of bias according to the Joanna Briggs Institute Critical Appraisal Checklist. The heterogeneity of each study was estimated using the I2 statistic, and the data were analyzed using Review Manager 5.3 and Stata 16.0. Results In total, studies in 13 pieces of literature were included in the quantitative meta-analysis. These studies were conducted among 1,321 subjects mostly older than 48. Patients had higher levels of intestinal permeability markers (lipopolysaccharide, d-lactate, zonulin, serum diamine oxidase, lipopolysaccharide-binding protein, intestinal fatty acid binding protein, and melibiose/rhamnose) than controls (standard mean difference SMD = 1.50; 95% CI = 1.31-1.88; p < 0.00001). Similarly, lipopolysaccharide levels were higher in patients than in controls (SMD = 1.61; 95% CI = 1.02-2.21; p < 0.00001); d-lactate levels were higher in patients than in controls (SMD = 1.16; 95% CI = 0.23-2.08; p = 0.01); zonulin levels were higher in patients than in controls (SMD = 1.74; 95% CI = 1.45-2.03; p < 0.00001); serum diamine oxidase levels were higher in patients than in controls (SMD = 2.51; 95% CI = 0.29-4.73; p = 0.03). Conclusion The results of the meta-analysis verified that the intestinal barrier was damaged and intestinal permeability was increased in patients with cardiovascular diseases. These markers may become a means of the diagnosis and treatment of cardiovascular diseases. Systematic review registration https://www.crd.york.ac.uk/PROSPERO/display_record.php?RecordID=414296, identifier CRD42023414296.
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Affiliation(s)
- Jiang-Hong Xiao
- Key Laboratory of Shaanxi Administration of Traditional Chinese Medicine for TCM Compatibility, Shaanxi University of Chinese Medicine, Xi’an, China
| | - Yu Wang
- Key Laboratory of Shaanxi Administration of Traditional Chinese Medicine for TCM Compatibility, Shaanxi University of Chinese Medicine, Xi’an, China
| | - Xi-Mei Zhang
- Key Laboratory of Shaanxi Administration of Traditional Chinese Medicine for TCM Compatibility, Shaanxi University of Chinese Medicine, Xi’an, China
| | - Wen-Xiao Wang
- Key Laboratory of Shaanxi Administration of Traditional Chinese Medicine for TCM Compatibility, Shaanxi University of Chinese Medicine, Xi’an, China
- International Joint Research Center on Resource Utilization and Quality Evaluation of Traditional Chinese Medicine of Hebei Province, Hebei University of Chinese Medicine, Shijiazhuang, China
| | - Qiao Zhang
- Key Laboratory of Shaanxi Administration of Traditional Chinese Medicine for TCM Compatibility, Shaanxi University of Chinese Medicine, Xi’an, China
| | - Yu-Ping Tang
- Key Laboratory of Shaanxi Administration of Traditional Chinese Medicine for TCM Compatibility, Shaanxi University of Chinese Medicine, Xi’an, China
| | - Shi-Jun Yue
- Key Laboratory of Shaanxi Administration of Traditional Chinese Medicine for TCM Compatibility, Shaanxi University of Chinese Medicine, Xi’an, China
- International Joint Research Center on Resource Utilization and Quality Evaluation of Traditional Chinese Medicine of Hebei Province, Hebei University of Chinese Medicine, Shijiazhuang, China
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You H, Chang F, Chen H, Wang Y, Han W. Exploring the role of CBLB in acute myocardial infarction: transcriptomic, microbiomic, and metabolomic analyses. J Transl Med 2024; 22:654. [PMID: 39004726 PMCID: PMC11247792 DOI: 10.1186/s12967-024-05425-y] [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: 01/19/2024] [Accepted: 06/18/2024] [Indexed: 07/16/2024] Open
Abstract
BACKGROUND Specific alterations in gut microbiota and metabolites have been linked to AMI, with CBLB potentially playing an essential role. However, the precise interactions remain understudied, creating a significant gap in our understanding. This study aims to address this by exploring these interactions in CBLB-intervened AMI mice using transcriptome sequencing, 16 S rDNA, and non-targeted metabolite analysis. METHODS To probe the therapeutic potential and mechanistic underpinnings of CBLB overexpression in AMI, we utilized an integrative multi-omics strategy encompassing transcriptomics, metabolomics, and 16s rDNA sequencing. We selected these particular methods as they facilitate a holistic comprehension of the intricate interplay between the host and its microbiota, and the potential effects on the host's metabolic and gene expression profiles. The uniqueness of our investigation stems from utilizing a multi-omics approach to illuminate the role of CBLB in AMI, an approach yet unreported to the best of our knowledge. Our experimental protocol encompassed transfection of CBLB lentivirus-packaged vectors into 293T cells, followed by subsequent intervention in AMI mice. Subsequently, we conducted pathological staining, fecal 16s rDNA sequencing, and serum non-targeted metabolome sequencing. We applied differential expression analysis to discern differentially expressed genes (DEGs), differential metabolites, and differential microbiota. We performed protein-protein interaction analysis to identify core genes, and conducted correlation studies to clarify the relationships amongst these core genes, paramount metabolites, and key microbiota. RESULTS Following the intervention of CBLB in AMI, we observed a significant decrease in inflammatory cell infiltration and collagen fiber formation in the infarcted region of mice hearts. We identified key changes in microbiota, metabolites, and DEGs that were associated with this intervention. The findings revealed that CBLB has a significant correlation with DEGs, differential metabolites and microbiota, respectively. This suggests it could play a pivotal role in the regulation of AMI. CONCLUSION This study confirmed the potential of differentially expressed genes, metabolites, and microbiota in AMI regulation post-CBLB intervention. Our findings lay groundwork for future exploration of CBLB's role in AMI, suggesting potential therapeutic applications and novel research directions in AMI treatment strategies.
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Affiliation(s)
- Hongjun You
- Department of Cardiovascular Medicine, Shaanxi Provincial People's Hospital, No.256 Youyi West Road, Beilin District, Xi'an City, 710068, Shaanxi Province, China
| | - Fengjun Chang
- Department of Cardiovascular Medicine, Shaanxi Provincial People's Hospital, No.256 Youyi West Road, Beilin District, Xi'an City, 710068, Shaanxi Province, China
| | - Haichao Chen
- Department of Cardiovascular Medicine, Shaanxi Provincial People's Hospital, No.256 Youyi West Road, Beilin District, Xi'an City, 710068, Shaanxi Province, China
| | - Yi Wang
- Department of Cardiovascular Medicine, Shaanxi Provincial People's Hospital, No.256 Youyi West Road, Beilin District, Xi'an City, 710068, Shaanxi Province, China
| | - Wenqi Han
- Department of Cardiovascular Medicine, Shaanxi Provincial People's Hospital, No.256 Youyi West Road, Beilin District, Xi'an City, 710068, Shaanxi Province, China.
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Yoon KN, Lee HG, Yeom SJ, Kim SS, Park JH, Song BS, Yi SW, Do YJ, Oh B, Oh SI, Eun JB, Park SH, Lee JH, Kim HB, Lee JH, Hur TY, Kim JK. Lactiplantibacillus argentoratensis AGMB00912 alleviates salmonellosis and modulates gut microbiota in weaned piglets: a pilot study. Sci Rep 2024; 14:15466. [PMID: 38965336 PMCID: PMC11224356 DOI: 10.1038/s41598-024-66092-z] [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: 02/13/2024] [Accepted: 06/27/2024] [Indexed: 07/06/2024] Open
Abstract
This study aimed to evaluate the efficacy of Lactiplantibacillus argentoratensis AGMB00912 (LA) in reducing Salmonella Typhimurium infection in weaned piglets. The investigation focused on the influence of LA on the gut microbiota composition, growth performance, and Salmonella fecal shedding. The results indicated that LA supplementation significantly improved average daily gain and reduced the prevalence and severity of diarrhea. Fecal analysis revealed reduced Salmonella shedding in the LA-supplemented group. Furthermore, LA notably altered the composition of the gut microbiota, increasing the levels of beneficial Bacillus and decreasing those of harmful Proteobacteria and Spirochaetes. Histopathological examination showed less intestinal damage in LA-treated piglets than in the controls. The study also observed that LA affected metabolic functions related to carbohydrate, amino acid, and fatty acid metabolism, thereby enhancing gut health and resilience against infection. Short-chain fatty acid concentrations in the feces were higher in the LA group, suggesting improved gut microbial activity. LA supplementation enriched the population of beneficial bacteria, including Streptococcus, Clostridium, and Bifidobacterium, while reducing the number of harmful bacteria, such as Escherichia and Campylobacter. These findings indicate the potential of LA as a probiotic alternative for swine nutrition, offering protective effects to the gut microbiota against Salmonella infection.
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Affiliation(s)
- Ki-Nam Yoon
- Research Division for Biotechnology, Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute, 29 Geumgu-gil, Jeongeup-si, Jeollabuk-do, 56212, Republic of Korea
- Department of Food Science and Technology, Graduate School of Chonnam National University, Gwangju, 61186, Republic of Korea
| | - Han Gyu Lee
- Division of Animal Diseases and Health, National Institute of Animal Science, Rural Development Administration, Wanju-gun, Jeollabuk-do, 55365, Republic of Korea
| | - Seo-Joon Yeom
- Research Division for Biotechnology, Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute, 29 Geumgu-gil, Jeongeup-si, Jeollabuk-do, 56212, Republic of Korea
| | - Sang-Su Kim
- Research Division for Biotechnology, Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute, 29 Geumgu-gil, Jeongeup-si, Jeollabuk-do, 56212, Republic of Korea
| | - Jong-Heum Park
- Research Division for Biotechnology, Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute, 29 Geumgu-gil, Jeongeup-si, Jeollabuk-do, 56212, Republic of Korea
| | - Beom-Seok Song
- Research Division for Biotechnology, Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute, 29 Geumgu-gil, Jeongeup-si, Jeollabuk-do, 56212, Republic of Korea
| | - Seung-Won Yi
- Division of Animal Diseases and Health, National Institute of Animal Science, Rural Development Administration, Wanju-gun, Jeollabuk-do, 55365, Republic of Korea
| | - Yoon Jung Do
- Division of Animal Diseases and Health, National Institute of Animal Science, Rural Development Administration, Wanju-gun, Jeollabuk-do, 55365, Republic of Korea
| | - Byungkwan Oh
- Biosafety Research Institute and College of Veterinary Medicine, Jeonbuk National University, Iksan, Jeollabuk-do, 54596, Republic of Korea
| | - Sang-Ik Oh
- Biosafety Research Institute and College of Veterinary Medicine, Jeonbuk National University, Iksan, Jeollabuk-do, 54596, Republic of Korea
| | - Jong-Bang Eun
- Department of Food Science and Technology, Graduate School of Chonnam National University, Gwangju, 61186, Republic of Korea
| | - Seung-Hwan Park
- Korean Collection for Type Cultures, Korea Research Institute of Bioscience and Biotechnology, Jeongeup-si, 56212, Republic of Korea
| | - Ju Huck Lee
- Korean Collection for Type Cultures, Korea Research Institute of Bioscience and Biotechnology, Jeongeup-si, 56212, Republic of Korea
| | - Hyeun Bum Kim
- Department of Animal Resources Science, Dankook University, Cheonan, 31116, Republic of Korea
| | - Ju-Hoon Lee
- Department of Food and Animal Biotechnology, Department of Agricultural Biotechnology, Research Institute of Agriculture and Life Sciences, Center for Food and Bioconvergence, Seoul National University, Seoul, 08826, Republic of Korea
| | - Tai-Young Hur
- Division of Animal Diseases and Health, National Institute of Animal Science, Rural Development Administration, Wanju-gun, Jeollabuk-do, 55365, Republic of Korea.
| | - Jae-Kyung Kim
- Research Division for Biotechnology, Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute, 29 Geumgu-gil, Jeongeup-si, Jeollabuk-do, 56212, Republic of Korea.
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10
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Qu C, Lu J, Chen Y, Li J, Xu X, Li F. Unravelling the role of gut microbiota in acute pancreatitis: integrating Mendelian randomization with a nested case-control study. Front Microbiol 2024; 15:1401056. [PMID: 39021624 PMCID: PMC11253135 DOI: 10.3389/fmicb.2024.1401056] [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: 03/14/2024] [Accepted: 06/19/2024] [Indexed: 07/20/2024] Open
Abstract
Background Gut microbiota may influence the development of acute pancreatitis (AP), a serious gastrointestinal disease with high morbidity and mortality. This study aimed to identify a causal link by investigating the relationship between gut microbiota and AP. Methods Mendelian randomization (MR) and a nested case-control study were used to explore associations between gut microbiota composition and AP. 16S rRNA sequencing, random forest modelling (RF), support vector machine (SVM), and Kaplan-Meier survival analysis was applied to identify significant gut microbiota and their correlation with hospitalization duration in AP patients. Results Bidirectional MR results confirmed a causal link between specific gut microbiota and AP (15 and 8 microbial taxa identified via forward and reverse MR, respectively). The 16S rRNA sequencing analysis demonstrated a pronounced difference in gut microbiota composition between cases and controls. Notably, after a comprehensive evaluation of the results of RF and SVM, Bacteroides plebeius (B. plebeius) was found to play a significant role in influencing the hospital status. Using a receiver operating characteristic (ROC) curve, the predictive power (0.757) of B. plebeius. Kaplan-Meier survival analysis offered further insight that patients with an elevated abundance of B. plebeius experienced prolonged hospital stays. Conclusion Combining MR with nested case-control studies provided a detailed characterization of interactions between gut microbiota and AP. B. plebeius was identified as a significant contributor, suggesting its role as both a precursor and consequence of AP dynamics. The findings highlight the multifactorial nature of AP and its complex relationship with the gut microbiota. This study lays the groundwork for future therapeutic interventions targeting microbial dynamics in AP treatment.
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Affiliation(s)
- Chang Qu
- Department of General Surgery, Peking University First Hospital, Peking University, Beijing, China
- Department of General Surgery, Xuanwu Hospital, Capital Medical University, Beijing, China
| | - Jiongdi Lu
- Department of General Surgery, Xuanwu Hospital, Capital Medical University, Beijing, China
| | - Yongyan Chen
- Department of Epidemiology and Biostatistics, School of Public Health, Peking University Health Science Centre, Beijing, China
| | - Jia Li
- Department of General Surgery, Xuanwu Hospital, Capital Medical University, Beijing, China
| | - Xiaoqing Xu
- Department of General Surgery, Xuanwu Hospital, Capital Medical University, Beijing, China
| | - Fei Li
- Department of General Surgery, Xuanwu Hospital, Capital Medical University, Beijing, China
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11
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Jin DX, Jia CY, Yang B, Wu YH, Chen L, Liu R, Wu MG, Yu H, Ge QF. The ameliorative mechanism of Lactiplantibacillus plantarum NJAU-01 against D-galactose induced oxidative stress: a hepatic proteomics and gut microbiota analysis. Food Funct 2024; 15:6174-6188. [PMID: 38770619 DOI: 10.1039/d4fo00406j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/22/2024]
Abstract
Probiotic intervention is an effective strategy to alleviate oxidative stress-related diseases. Our previous studies found that Lactiplantibacillus plantarum NJAU-01 (NJAU-01) exhibited antioxidant effects in a D-galactose (D-gal)-induced aging mouse model. However, the underlying mechanism remains to be unveiled. This study was aimed to investigate the ameliorative effect and mechanism of NJAU-01 against oxidative stress induced by D-gal. The results showed that NJAU-01 could reverse the tendency of a slow body weight gain induced by D-gal. NJAU-01 relieved hepatic oxidative stress via increasing the hepatic total antioxidant capacity and antioxidant enzyme activities including superoxide dismutase (SOD), glutathione peroxidase (GSH-Px) and catalase (CAT). Moreover, the malondialdehyde (MDA) level was reversed after NJAU-01 supplementation. The proteomic results showed that there were 201 differentially expressed proteins (DEPs) between NJAU-01 and D-gal groups. NJAU-01 regulated the expressions of glutathione S-transferase Mu 5 (Gstm5), glutathione S-transferase P2 (Gstp2) and NADH dehydrogenase 1α subcomplex subunit 7 (Ndufa7) related to oxidative stress, and autophagy protein 5 (Atg5) and plasma alpha-L-fucosidase (Fuca2) involved in autophagy, etc. 16S rDNA sequencing results showed that NJAU-01 supplementation could regulate the gut microbiota dysbiosis induced by D-gal via increasing the relative abundances of the phylum Firmicutes and the genus Lactobacillus and reducing the relative abundances of the phylum Bacteroidetes and the genera Lachnospiraceae_NK4A136_group as well as Prevotellaceae_UCG-001, etc.. Spearman correlation analysis results showed that the altered gut microbiota composition had a significant correlation with antioxidant enzyme activities and the DEPs related to oxidative stress. Overall, NJAU-01 alleviated hepatic oxidative stress induced by D-gal via manipulating the gut microbiota composition and hepatic protein expression profile.
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Affiliation(s)
- Du-Xin Jin
- School of Food Science and Engineering, Yangzhou University, Yangzhou, Jiangsu 225127, P. R. China.
| | - Chao-Yang Jia
- School of Food Science and Engineering, Yangzhou University, Yangzhou, Jiangsu 225127, P. R. China.
| | - Bo Yang
- School of Food Science and Engineering, Yangzhou University, Yangzhou, Jiangsu 225127, P. R. China.
| | - Yue-Hao Wu
- School of Food Science and Engineering, Yangzhou University, Yangzhou, Jiangsu 225127, P. R. China.
| | - Lei Chen
- School of Food Science and Engineering, Yangzhou University, Yangzhou, Jiangsu 225127, P. R. China.
| | - Rui Liu
- School of Food Science and Engineering, Yangzhou University, Yangzhou, Jiangsu 225127, P. R. China.
| | - Man-Gang Wu
- School of Food Science and Engineering, Yangzhou University, Yangzhou, Jiangsu 225127, P. R. China.
| | - Hai Yu
- School of Food Science and Engineering, Yangzhou University, Yangzhou, Jiangsu 225127, P. R. China.
| | - Qing-Feng Ge
- School of Food Science and Engineering, Yangzhou University, Yangzhou, Jiangsu 225127, P. R. China.
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12
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Miki T, Haneda T, Okada N, Ito M. Possible link between colonization of the gastrointestinal tract by Citrobacter rodentium in C57BL/6 mice and microbiota composition. Microbiol Immunol 2024; 68:206-211. [PMID: 38644589 DOI: 10.1111/1348-0421.13128] [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: 02/01/2024] [Revised: 04/03/2024] [Accepted: 04/10/2024] [Indexed: 04/23/2024]
Abstract
Colonization resistance, conferred by the host's microbiota through both direct and indirect protective actions, serves to protect the host from enteric infections. Here, we identified the specific members of the gut microbiota that impact gastrointestinal colonization by Citrobacter rodentium, a murine pathogen causing colonic crypt hyperplasia. The gut colonization levels of C. rodentium in C57BL/6 mice varied among breeding facilities, probably due to differences in microbiota composition. A comprehensive analysis of the microbiota revealed that specific members of the microbiota may influence gut colonization by C. rodentium, thus providing a potential link between the two.
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Affiliation(s)
- Tsuyoshi Miki
- Department of Microbiology, School of Pharmacy, Kitasato University, Tokyo, Japan
| | - Takeshi Haneda
- Department of Microbiology, School of Pharmacy, Kitasato University, Tokyo, Japan
| | - Nobuhiko Okada
- Department of Microbiology, School of Pharmacy, Kitasato University, Tokyo, Japan
| | - Masahiro Ito
- Department of Microbiology, School of Pharmacy, Kitasato University, Tokyo, Japan
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13
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Pristner M, Wasinger D, Seki D, Klebermaß-Schrehof K, Berger A, Berry D, Wisgrill L, Warth B. Neuroactive metabolites and bile acids are altered in extremely premature infants with brain injury. Cell Rep Med 2024; 5:101480. [PMID: 38518769 PMCID: PMC11031385 DOI: 10.1016/j.xcrm.2024.101480] [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: 05/22/2023] [Revised: 10/02/2023] [Accepted: 02/27/2024] [Indexed: 03/24/2024]
Abstract
The gut microbiome is associated with pathological neurophysiological evolvement in extremely premature infants suffering from brain injury. The exact underlying mechanism and its associated metabolic signatures in infants are not fully understood. To decipher metabolite profiles linked to neonatal brain injury, we investigate the fecal and plasma metabolome of samples obtained from a cohort of 51 extremely premature infants at several time points, using liquid chromatography (LC)-high-resolution mass spectrometry (MS)-based untargeted metabolomics and LC-MS/MS-based targeted analysis for investigating bile acids and amidated bile acid conjugates. The data are integrated with 16S rRNA gene amplicon gut microbiome profiles as well as patient cytokine, growth factor, and T cell profiles. We find an early onset of differentiation in neuroactive metabolites between infants with and without brain injury. We detect several bacterially derived bile acid amino acid conjugates in plasma and feces. These results provide insights into the early-life metabolome of extremely premature infants.
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Affiliation(s)
- Manuel Pristner
- Department of Food Chemistry and Toxicology, University of Vienna, 1090 Vienna, Austria
| | - Daniel Wasinger
- Department of Food Chemistry and Toxicology, University of Vienna, 1090 Vienna, Austria
| | - David Seki
- Center for Microbiology and Environmental Systems Science, Department of Microbiology and Ecosystem Science, Division of Microbial Ecology, University of Vienna, 1090 Vienna, Austria; Joint Microbiome Facility of the Medical University of Vienna and the University of Vienna, 1090 Vienna, Austria
| | - Katrin Klebermaß-Schrehof
- Department of Pediatrics and Adolescent Medicine, Division of Neonatology, Pediatric Intensive Care and Neuropediatrics, Comprehensive Center for Pediatrics, Medical University of Vienna, 1090 Vienna, Austria
| | - Angelika Berger
- Department of Pediatrics and Adolescent Medicine, Division of Neonatology, Pediatric Intensive Care and Neuropediatrics, Comprehensive Center for Pediatrics, Medical University of Vienna, 1090 Vienna, Austria
| | - David Berry
- Center for Microbiology and Environmental Systems Science, Department of Microbiology and Ecosystem Science, Division of Microbial Ecology, University of Vienna, 1090 Vienna, Austria; Joint Microbiome Facility of the Medical University of Vienna and the University of Vienna, 1090 Vienna, Austria
| | - Lukas Wisgrill
- Department of Pediatrics and Adolescent Medicine, Division of Neonatology, Pediatric Intensive Care and Neuropediatrics, Comprehensive Center for Pediatrics, Medical University of Vienna, 1090 Vienna, Austria
| | - Benedikt Warth
- Department of Food Chemistry and Toxicology, University of Vienna, 1090 Vienna, Austria.
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14
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Ali Q, Ma S, Liu B, Niu J, Liu M, Mustafa A, Li D, Wang Z, Sun H, Cui Y, Shi Y. Supplementing Ryegrass Ameliorates Commercial Diet-Induced Gut Microbial Dysbiosis-Associated Spleen Dysfunctions by Gut-Microbiota-Spleen Axis. Nutrients 2024; 16:747. [PMID: 38474875 DOI: 10.3390/nu16050747] [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: 01/11/2024] [Revised: 02/24/2024] [Accepted: 02/29/2024] [Indexed: 03/14/2024] Open
Abstract
The type and composition of food strongly affect the variation and enrichment of the gut microbiota. The gut-microbiota-spleen axis has been developed, incorporating the spleen's function and maturation. However, how short-chain fatty-acid-producing gut microbiota can be considered to recover spleen function, particularly in spleens damaged by changed gut microbiota, is unknown in geese. Therefore, the gut microbial composition of the caecal chyme of geese was assessed by 16S rRNA microbial genes, and a Tax4Fun analysis identified the enrichment of KEGG orthologues involved in lipopolysaccharide production. The concentrations of LPS, reactive oxygen species, antioxidant/oxidant enzymes, and immunoglobulins were measured from serum samples and spleen tissues using ELISA kits. Quantitative reverse transcription PCR was employed to detect the Kelch-like-ECH-associated protein 1-Nuclear factor erythroid 2-related factor 2 (Keap1-Nrf2), B cell and T cell targeting markers, and anti-inflammatory/inflammatory cytokines from the spleen tissues of geese. The SCFAs were determined from the caecal chyme of geese by using gas chromatography. In this study, ryegrass-enriched gut microbiota such as Eggerthellaceae, Oscillospiraceae, Rikenellaceae, and Lachnospiraceae attenuated commercial diet-induced gut microbial alterations and spleen dysfunctions in geese. Ryegrass significantly improved the SCFAs (acetic, butyric, propionic, isovaleric, and valeric acids), AMPK pathway-activated Nrf2 redox signaling cascades, B cells (B220, CD19, and IgD), and T cells (CD3, CD4, CD8, and IL-2, with an exception of IL-17 and TGF-β) to activate anti-inflammatory cytokines (IL-4 and IL-10) and immunoglobulins (IgA, IgG, and IgM) in geese. In conclusion, ryegrass-improved reprogramming of the gut microbiota restored the spleen functions by attenuating LPS-induced oxidative stress and systemic inflammation through the gut-microbiota-spleen axis in geese.
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Affiliation(s)
- Qasim Ali
- Department of Animal Nutrition and Feed Science, College of Animal Science and Technology, Henan Agricultural University, Zhengzhou 450046, China
| | - Sen Ma
- Department of Animal Nutrition and Feed Science, College of Animal Science and Technology, Henan Agricultural University, Zhengzhou 450046, China
- Henan Key Laboratory of Innovation and Utilization of Grassland Resources, Zhengzhou 450002, China
- Henan Herbage Engineering Technology Research Center, Zhengzhou 450001, China
| | - Boshuai Liu
- Department of Animal Nutrition and Feed Science, College of Animal Science and Technology, Henan Agricultural University, Zhengzhou 450046, China
- Henan Key Laboratory of Innovation and Utilization of Grassland Resources, Zhengzhou 450002, China
- Henan Herbage Engineering Technology Research Center, Zhengzhou 450001, China
| | - Jiakuan Niu
- Department of Animal Nutrition and Feed Science, College of Animal Science and Technology, Henan Agricultural University, Zhengzhou 450046, China
| | - Mengqi Liu
- Department of Animal Nutrition and Feed Science, College of Animal Science and Technology, Henan Agricultural University, Zhengzhou 450046, China
| | - Ahsan Mustafa
- Department of Animal Nutrition, Sichuan Agricultural University, Chengdu 611130, China
| | - Defeng Li
- Department of Animal Nutrition and Feed Science, College of Animal Science and Technology, Henan Agricultural University, Zhengzhou 450046, China
- Henan Key Laboratory of Innovation and Utilization of Grassland Resources, Zhengzhou 450002, China
- Henan Herbage Engineering Technology Research Center, Zhengzhou 450001, China
| | - Zhichang Wang
- Department of Animal Nutrition and Feed Science, College of Animal Science and Technology, Henan Agricultural University, Zhengzhou 450046, China
- Henan Key Laboratory of Innovation and Utilization of Grassland Resources, Zhengzhou 450002, China
- Henan Herbage Engineering Technology Research Center, Zhengzhou 450001, China
| | - Hao Sun
- Department of Animal Nutrition and Feed Science, College of Animal Science and Technology, Henan Agricultural University, Zhengzhou 450046, China
- Henan Key Laboratory of Innovation and Utilization of Grassland Resources, Zhengzhou 450002, China
- Henan Herbage Engineering Technology Research Center, Zhengzhou 450001, China
| | - Yalei Cui
- Department of Animal Nutrition and Feed Science, College of Animal Science and Technology, Henan Agricultural University, Zhengzhou 450046, China
- Henan Key Laboratory of Innovation and Utilization of Grassland Resources, Zhengzhou 450002, China
- Henan Herbage Engineering Technology Research Center, Zhengzhou 450001, China
| | - Yinghua Shi
- Department of Animal Nutrition and Feed Science, College of Animal Science and Technology, Henan Agricultural University, Zhengzhou 450046, China
- Henan Key Laboratory of Innovation and Utilization of Grassland Resources, Zhengzhou 450002, China
- Henan Herbage Engineering Technology Research Center, Zhengzhou 450001, China
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15
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Gajera G, Funde S, Palep H, Kothari V. Duration of fermentation affects microbiome composition and biological activity of an Indian traditional formulation - Panchagavya. J Ayurveda Integr Med 2024; 15:100880. [PMID: 38457966 PMCID: PMC10940934 DOI: 10.1016/j.jaim.2023.100880] [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: 12/28/2022] [Revised: 12/08/2023] [Accepted: 12/14/2023] [Indexed: 03/10/2024] Open
Abstract
OBJECTIVE This study aimed at investigating whether the duration of fermenting Panchagavya (PG) preparation in copper vessel affects its biological activity and microbiome composition. MATERIALS AND METHODS Prophylactic potential of PG against bacterial infection was assessed through an in vivo assay employing the nematode worm Caenorhabditis elegans as a model host. Bacterial diversity of the PG samples was revealed through metagenomic analysis. RESULTS Duration of fermentation was found to affect biological activity as well as microbiome composition of the PG samples. PG-samples fermented ≥60 min lost their prophylactic potential, and develop anthelmintic activity. Bacterial phyla whose relative abundance was significantly different between the prophylactic and anthelmintic PG samples were Planctomycetota, Proteabacteria, Bacteroidota, Verrucomicrobiota, Patescibacteria, Acidobacteriota, Chloroflexi, Firmicutes and Campilobacterota. CONCLUSION This study validates the prophylactic potential of Panchagavya against bacterial pathogens, and shows that duration of the fermentation time while preparing PG can have profound effect on its biological activities. Biological activities of PG samples seem to have a correlation with their inherent microbial community. Metagenomic profiling can be an effective tool for standardization of PG formulations.
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Affiliation(s)
- Gemini Gajera
- Institute of Science, Nirma University, Ahmedabad, 382481, India
| | - Snehal Funde
- Dr. Palep's Medical Research Foundation, Mumbai, India
| | | | - Vijay Kothari
- Institute of Science, Nirma University, Ahmedabad, 382481, India.
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16
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Pan Z, Chen Y, Zhou M, McAllister TA, Mcneilly TN, Guan LL. Linking active rectal mucosa-attached microbiota to host immunity reveals its role in host-pathogenic STEC O157 interactions. THE ISME JOURNAL 2024; 18:wrae127. [PMID: 38984791 PMCID: PMC11304501 DOI: 10.1093/ismejo/wrae127] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/13/2024] [Revised: 05/30/2024] [Accepted: 07/08/2024] [Indexed: 07/11/2024]
Abstract
The rectal-anal junction (RAJ) is the major colonization site of Shiga toxin-producing Escherichia coli (STEC) O157 in beef cattle, leading to transmission of this foodborne pathogen from farms to food chains. To date, there is limited understanding regarding whether the mucosa-attached microbiome has a profound impact on host-STEC interactions. In this study, the active RAJ mucosa-attached microbiota and its potential role in host immunity-STEC commensal interactions were investigated using RAJ mucosal biopsies collected from calves orally challenged with two STEC O157 strains with or without functional stx2a (stx2a+ or stx2a-). The results revealed that shifts of microbial diversity, topology, and assembly patterns were subjected to stx2a production post-challenge and Paeniclostridium and Gallibacterium were the keystone taxa for both microbial interactions and assembly. Additional mucosal transcriptome profiling showed stx2a-dependent host immune responses (i.e. B- and T-cell signaling and antigen processing and presentation) post-challenge. Further integrated analysis revealed that mucosa-attached beneficial microbes (i.e. Provotella, Faecalibacterium, and Dorea) interacted with host immune genes pre-challenge to maintain host homeostasis; however, opportunistic pathogenic microbes (i.e. Paeniclostridium) could interact with host immune genes after the STEC O157 colonization and interactions were stx2a-dependent. Furthermore, predicted bacterial functions involved in pathogen (O157 and Paeniclostridium) colonization and metabolism were related to host immunity. These findings suggest that during pathogen colonization, host-microbe interactions could shift from beneficial to opportunistic pathogenic bacteria driven and be dependent on the production of particular virulence factors, highlighting the potential regulatory role of mucosa-attached microbiota in affecting pathogen-commensal host interactions in calves with STEC O157 infection.
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Affiliation(s)
- Zhe Pan
- Department of Agricultural, Food and Nutritional Science, University of Alberta, Edmonton, AB T6G 2P5, Canada
| | - Yanhong Chen
- Department of Agricultural, Food and Nutritional Science, University of Alberta, Edmonton, AB T6G 2P5, Canada
| | - Mi Zhou
- Department of Agricultural, Food and Nutritional Science, University of Alberta, Edmonton, AB T6G 2P5, Canada
| | - Tim A McAllister
- Agriculture and Agri-Food Canada, Lethbridge Research Centre, Lethbridge, AB T1J 4B1, Canada
| | - Tom N Mcneilly
- Moredun Research Institute, Penicuik EH26 0PZ, United Kingdom
| | - Le Luo Guan
- Department of Agricultural, Food and Nutritional Science, University of Alberta, Edmonton, AB T6G 2P5, Canada
- Faculty of Land and Food Systems, The University of British Columbia, Vancouver, BC V6T 1Z4, Canada
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17
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Hou M, Chen F, He Y, Tan Z, Han X, Shi Y, Xu Y, Leng Y. Dexmedetomidine against intestinal ischemia/reperfusion injury: A systematic review and meta-analysis of preclinical studies. Eur J Pharmacol 2023; 959:176090. [PMID: 37778612 DOI: 10.1016/j.ejphar.2023.176090] [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: 05/07/2023] [Revised: 09/14/2023] [Accepted: 09/28/2023] [Indexed: 10/03/2023]
Abstract
BACKGROUND Intestinal ischemia/reperfusion injury (IRI) is a multifactorial, complex pathophysiological process in clinical settings. In recent years, intestinal IRI has received increasing attention due to increased morbidity and mortality. To date, there are no effective treatments. Dexmedetomidine (DEX), a highly selective α2-adrenergic receptor agonist, has been demonstrated to be effective against intestinal IRI. In this systematic review and meta-analysis, we evaluated the efficacy and potential mechanisms of DEX as a treatment for intestinal IRI in animal models. METHODS Five databases (PubMed, Embase, Web of Science, Cochrane Library, and Scopus) were searched until March 15, 2023. Using the SYRCLE risk bias tool, we assessed methodological quality. Statistical analysis was conducted using STATA 12 and R 4.2.2. We analyzed the related outcomes (mucosa damage-related indicators; inflammation-relevant markers, oxidative stress markers) relied on the fixed or random-effects models. RESULTS There were 15 articles including 18 studies included, and 309 animals were involved in the studies. Compared to the model groups, DEX improved intestinal IRI. DEX decreased Chiu's score and serum diamine oxidase (DAO) level. DEX reduced the level of inflammation-relevant markers (interleukin (IL)-1β, IL-6, tumor necrosis factor (TNF)-α). DEX also improved oxidative stress (decreased malondialdehyde (MDA), increased superoxide dismutase (SOD)). CONCLUSIONS DEX's effectiveness in ameliorating intestinal IRI has been demonstrated in animal models. Antioxidation, anti-inflammation, anti-apoptotic, anti-pyroptosis, anti-ferroptosis, enhancing mitophagy, reshaping the gut microbiota, and gut barrier protection are possible mechanisms. However, in light of the heterogeneity and methodological quality of these studies, further well-designed preclinical studies are warranted before clinical implication.
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Affiliation(s)
- Min Hou
- The First Clinical Medical College of Lanzhou University, Lanzhou, 730000, PR China.
| | - Feng Chen
- The First Clinical Medical College of Lanzhou University, Lanzhou, 730000, PR China.
| | - Yao He
- The First Clinical Medical College of Lanzhou University, Lanzhou, 730000, PR China.
| | - Zhiguo Tan
- The First Clinical Medical College of Lanzhou University, Lanzhou, 730000, PR China.
| | - Xuena Han
- The First Clinical Medical College of Lanzhou University, Lanzhou, 730000, PR China.
| | - Yajing Shi
- The First Clinical Medical College of Lanzhou University, Lanzhou, 730000, PR China.
| | - Yunpeng Xu
- The First Clinical Medical College of Lanzhou University, Lanzhou, 730000, PR China.
| | - Yufang Leng
- The First Clinical Medical College of Lanzhou University, Lanzhou, 730000, PR China; Department of Anesthesiology, The First Hospital of Lanzhou University, Lanzhou, 730000, PR China.
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18
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Zhao J, Zhao F, Yuan J, Liu H, Wang Y. Gut microbiota metabolites, redox status, and the related regulatory effects of probiotics. Heliyon 2023; 9:e21431. [PMID: 38027795 PMCID: PMC10643359 DOI: 10.1016/j.heliyon.2023.e21431] [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] [Received: 07/18/2023] [Revised: 09/29/2023] [Accepted: 10/20/2023] [Indexed: 12/01/2023] Open
Abstract
Oxidative stress is a state of imbalance between oxidation and antioxidation. It is caused by excess levels of free radicals and leads to the damage of DNA, proteins, and lipids. The crucial role of gut microbiota in regulating oxidative stress has been widely demonstrated. Studies have suggested that the redox regulatory effects of gut microbiota are related to gut microbiota metabolites, including fatty acids, lipopolysaccharides, tryptophan metabolites, trimethylamine-N-oxide and polyphenolic metabolites. In recent years, the potential benefits of probiotics have been gaining increasing scientific interest owing to their ability to modulate gut microbiota and oxidative stress. In this review, we summarise the adverse health effects of oxidative stress and discuss the role of the gut microbiota and its metabolites in redox regulation. Based on the influence of gut microbiota metabolites, the roles of probiotics in preventing oxidative stress are highlighted.
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Affiliation(s)
| | | | - Junmeng Yuan
- College of Animal Science and Technology, Qingdao Agricultural University, 266109, Qingdao, China
| | - Huawei Liu
- College of Animal Science and Technology, Qingdao Agricultural University, 266109, Qingdao, China
| | - Yang Wang
- College of Animal Science and Technology, Qingdao Agricultural University, 266109, Qingdao, China
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19
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Klinsawat W, Uthaipaisanwong P, Jenjaroenpun P, Sripiboon S, Wongsurawat T, Kusonmano K. Microbiome variations among age classes and diets of captive Asian elephants (Elephas maximus) in Thailand using full-length 16S rRNA nanopore sequencing. Sci Rep 2023; 13:17685. [PMID: 37848699 PMCID: PMC10582034 DOI: 10.1038/s41598-023-44981-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2023] [Accepted: 10/14/2023] [Indexed: 10/19/2023] Open
Abstract
Asian elephant (Elephas maximus) is the national symbol of Thailand and linked to Thai history and culture for centuries. The elephant welfare improvement is one of the major components to achieve sustainable captive management. Microbiome inhabiting digestive tracts have been shown with symbiotic relations to host health. This work provided high-resolution microbiome profiles of 32 captive elephants at a species level by utilizing full-length 16S rRNA gene nanopore sequencing. Eleven common uncultured bacterial species were found across elephants fed with solid food including uncultured bacterium Rikenellaceae RC9 gut group, Kiritimatiellae WCHB1-41, Phascolarctobacterium, Oscillospiraceae NK4A214 group, Christensenellaceae R-7 group, Oribacterium, Oscillospirales UCG-010, Lachnospiraceae, Bacteroidales F082, uncultured rumen Rikenellaceae RC9 gut group, and Lachnospiraceae AC2044 group. We observed microbiome shifts along the age classes of baby (0-2 years), juvenile (2-10 years), and adult (> 10 years). Interestingly, we found distinct microbiome profiles among adult elephants fed with a local palm, Caryota urens, as a supplement. Potential beneficial microbes have been revealed according to the age classes and feed diets. The retrieved microbiome data could be provided as good baseline microbial profiles for monitoring elephant health, suggesting further studies towards dietary selection suitable for each age class and the use of local supplementary diets.
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Affiliation(s)
- Worata Klinsawat
- Conservation Ecology Program, School of Bioresources and Technology, King Mongkut's University of Technology Thonburi, Bangkok, Thailand
| | - Pichahpuk Uthaipaisanwong
- Systems Biology and Bioinformatics Research Group, Pilot Plant Development and Training Institute, King Mongkut's University of Technology Thonburi, Bangkok, Thailand
| | - Piroon Jenjaroenpun
- Division of Medical Bioinformatics, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Supaphen Sripiboon
- Department of Large Animal and Wildlife Clinical Science, Faculty of Veterinary Medicine, Kasetsart University, Kamphaeng Saen Campus, Nakhon Pathom, Thailand
| | - Thidathip Wongsurawat
- Division of Medical Bioinformatics, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand.
| | - Kanthida Kusonmano
- Systems Biology and Bioinformatics Research Group, Pilot Plant Development and Training Institute, King Mongkut's University of Technology Thonburi, Bangkok, Thailand.
- Bioinformatics and Systems Biology Program, Schools of Bioresources and Technology, King Mongkut's University of Technology Thonburi, Bangkok, Thailand.
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20
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Yin Q, Shi G, Zhu L. Association between gut microbiota and sensorineural hearing loss: a Mendelian randomization study. Front Microbiol 2023; 14:1230125. [PMID: 37915857 PMCID: PMC10616596 DOI: 10.3389/fmicb.2023.1230125] [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: 05/31/2023] [Accepted: 09/25/2023] [Indexed: 11/03/2023] Open
Abstract
Background Several recent studies speculated that the gut microbiota is associated with sensorineural hearing loss (SNHL) and proposed the concept of the gut-inner ear axis. However, the causal effect of gut microbiota on SNHL is still unknown. In this study, we performed a two-sample Mendelian randomization (MR) analysis to estimate the causal effect of gut microbiota on SNHL. Methods Gut microbiota data were obtained from the largest available genome-wide association study (n = 18,340) conducted by the MiBioGen consortium. The summary statistics of SNHL were obtained from the FinnGen consortium R8 release data (28,310 cases and 302,750 controls). The causal effects were estimated with inverse-variance weighted, MR-Egger, and weighted median. Reverse Mendelian randomization analysis was performed on the bacteria that were found to be associated with SNHL in forward Mendelian randomization analysis. We then performed sensitivity analyses, including Cochran's Q-test, MR-Egger intercept test, MR-PRESSO, cML-MA-BIC, and leave-one-out analysis, to detect heterogeneity and pleiotropy. Results The inverse-variance weighted results suggested that Lachnospiraceae (UCG001) had a significant protective effect against SNHL (odds ratio = 0.85, 95% confidence interval: 0.78-0.93, P = 6.99 × 10-4). In addition, Intestinimonas (odds ratio = 0.89, 95% confidence interval: 0.82-0.97, P = 8.53 × 10-3) presented a suggestively protective effect on SNHL. Rikenellaceae (RC9gutgroup) (odds ratio = 1.08, 95% confidence interval: 1.02-1.15, P = 0.01) and Eubacterium (hallii group) (odds ratio = 1.12, 95% confidence interval: 1.00-1.24, P = 0.048) suggestively increase the risk of SNHL. The results of the reverse MR analysis showed that there is no significant causal effect of SNHL on the gut microbiota. No significant heterogeneity of instrumental variables or pleiotropy was detected. Conclusion The evidence that the four genera mentioned above are associated with SNHL supports the hypothesis of a gut-inner ear axis. Our study provides microbial markers for the prevention and treatment of SNHL, and further studies are needed to explore the mechanisms of the gut microbiome-inner ear axis in health and diseases.
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Affiliation(s)
- Qiuyuan Yin
- State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan, School of Life Sciences, Yunnan University, Kunming, Yunnan, China
| | - Guolin Shi
- Department of Neurosurgery, The Second Affiliated Hospital of Kunming Medical University, Kunming, Yunnan, China
| | - Lei Zhu
- State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan, School of Life Sciences, Yunnan University, Kunming, Yunnan, China
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21
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Salvador AC, Huda MN, Arends D, Elsaadi AM, Gacasan CA, Brockmann GA, Valdar W, Bennett BJ, Threadgill DW. Analysis of strain, sex, and diet-dependent modulation of gut microbiota reveals candidate keystone organisms driving microbial diversity in response to American and ketogenic diets. MICROBIOME 2023; 11:220. [PMID: 37784178 PMCID: PMC10546677 DOI: 10.1186/s40168-023-01588-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/06/2022] [Accepted: 06/01/2023] [Indexed: 10/04/2023]
Abstract
BACKGROUND The gut microbiota is modulated by a combination of diet, host genetics, and sex effects. The magnitude of these effects and interactions among them is important to understanding inter-individual variability in gut microbiota. In a previous study, mouse strain-specific responses to American and ketogenic diets were observed along with several QTLs for metabolic traits. In the current study, we searched for genetic variants underlying differences in the gut microbiota in response to American and ketogenic diets, which are high in fat and vary in carbohydrate composition, between C57BL/6 J (B6) and FVB/NJ (FVB) mouse strains. RESULTS Genetic mapping of microbial features revealed 18 loci under the QTL model (i.e., marginal effects that are not specific to diet or sex), 12 loci under the QTL by diet model, and 1 locus under the QTL by sex model. Multiple metabolic and microbial features map to the distal part of Chr 1 and Chr 16 along with eigenvectors extracted from principal coordinate analysis of measures of β-diversity. Bilophila, Ruminiclostridium 9, and Rikenella (Chr 1) were identified as sex- and diet-independent QTL candidate keystone organisms, and Parabacteroides (Chr 16) was identified as a diet-specific, candidate keystone organism in confirmatory factor analyses of traits mapping to these regions. For many microbial features, irrespective of which QTL model was used, diet or the interaction between diet and a genotype were the strongest predictors of the abundance of each microbial trait. Sex, while important to the analyses, was not as strong of a predictor for microbial abundances. CONCLUSIONS These results demonstrate that sex, diet, and genetic background have different magnitudes of effects on inter-individual differences in gut microbiota. Therefore, Precision Nutrition through the integration of genetic variation, microbiota, and sex affecting microbiota variation will be important to predict response to diets varying in carbohydrate composition. Video Abstract.
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Affiliation(s)
- Anna C Salvador
- Department of Molecular and Cellular Medicine, Texas A&M Health Science Center, College Station, TX, 77843, USA
- Department of Nutrition, Texas A&M University, College Station, TX, 77843, USA
| | - M Nazmul Huda
- Department of Nutrition, University of California Davis, Sacramento, CA, 95616, USA
- Obesity and Metabolism Unit, Western Human Nutrition Research Center, USDA-ARS, Davis, CA, 95616, USA
| | - Danny Arends
- Albrecht Daniel Thaer-Institut, 10115, Berlin, Germany
- Department of Applied Sciences, Northumbria University, Newcastle Upon Tyne, UK
| | - Ahmed M Elsaadi
- Department of Molecular and Cellular Medicine, Texas A&M Health Science Center, College Station, TX, 77843, USA
| | - C Anthony Gacasan
- Department of Molecular and Cellular Medicine, Texas A&M Health Science Center, College Station, TX, 77843, USA
| | | | - William Valdar
- Department of Genetics, University of North Carolina at Chapel Hill, Chapel Hill, NC, 27599, USA
- Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, NC, 27599, USA
| | - Brian J Bennett
- Department of Nutrition, University of California Davis, Sacramento, CA, 95616, USA
- Obesity and Metabolism Unit, Western Human Nutrition Research Center, USDA-ARS, Davis, CA, 95616, USA
| | - David W Threadgill
- Department of Molecular and Cellular Medicine, Texas A&M Health Science Center, College Station, TX, 77843, USA.
- Department of Nutrition, Texas A&M University, College Station, TX, 77843, USA.
- Department of Biochemistry & Biophysics, Texas A&M University, College Station, TX, 77843, USA.
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22
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Wang R, Halimulati M, Huang X, Ma Y, Li L, Zhang Z. Sulforaphane-driven reprogramming of gut microbiome and metabolome ameliorates the progression of hyperuricemia. J Adv Res 2023; 52:19-28. [PMID: 36371056 PMCID: PMC10555773 DOI: 10.1016/j.jare.2022.11.003] [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: 08/28/2022] [Revised: 10/25/2022] [Accepted: 11/04/2022] [Indexed: 11/11/2022] Open
Abstract
INTRODUCTION Currently, revealing how to prevent and control hyperuricemia has become an essential public health issue. Sulforaphane hasawiderangeofapplications in the management of hyperuricemia. OBJECTIVE The study objective was to verify the uric acid-lowering effects and the regulation of the gut-kidney axis mediated by sulforaphane and identify host-microbial co-metabolites in hyperuricemia. METHODS A hyperuricemia model was established by administering feedstuffs with 4% potassium oxonate and 20% yeast. Forty male Sprague-Dawley rats were randomly divided into the normal control, hyperuricemia, allopurinol, and sulforaphane groups. Animals were treated by oral gavage for six consecutive weeks, and then phenotypic parameters, metabolomic profiling, and metagenomicsequencing were performed. RESULTS Sulforaphane could lower uric acid by decreasing urate synthesis and increasing renal urate excretion in hyperuricemic rats (P<0.05). We identified succinic acid and oxoglutaric acid as critical host-gut microbiome co-metabolites. Moreover, sulforaphane improved the diversity of microbial ecosystems and functions, as well as metabolic control of the kidney. Notably, sulforaphane exerted its renoprotective effect through epigenetic modification of Nrf2 and interaction between gut microbiota and epigenetic modification in hyperuricemic rats. CONCLUSION We revealed that sulforaphane could ameliorate the progression of hyperuricemia by reprogramming the gut microbiome and metabolome. Our findings may provide a good means for efficiently preventing and treating hyperuricemia.
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Affiliation(s)
- Ruoyu Wang
- Department of Nutrition and Food Hygiene, School of Public Health, Peking University, Haidian District, Beijing 100191, People's Republic of China
| | - Mairepaiti Halimulati
- Department of Nutrition and Food Hygiene, School of Public Health, Peking University, Haidian District, Beijing 100191, People's Republic of China
| | - Xiaojie Huang
- Department of Nutrition and Food Hygiene, School of Public Health, Peking University, Haidian District, Beijing 100191, People's Republic of China
| | - Yuxin Ma
- Department of Nutrition and Food Hygiene, School of Public Health, Peking University, Haidian District, Beijing 100191, People's Republic of China
| | - Lutong Li
- Department of Nutrition and Food Hygiene, School of Public Health, Peking University, Haidian District, Beijing 100191, People's Republic of China
| | - Zhaofeng Zhang
- Department of Nutrition and Food Hygiene, School of Public Health, Peking University, Haidian District, Beijing 100191, People's Republic of China; Beijing's Key Laboratory of Food Safety Toxicology Research and Evaluation, Beijing 100191, People's Republic of China.
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23
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Liu Q, Zhu Y, Li G, Guo T, Jin M, Xi D, Wang S, Liu X, Guo S, Liu H, Fan J, Liu R. Irisin ameliorates myocardial ischemia-reperfusion injury by modulating gut microbiota and intestinal permeability in rats. PLoS One 2023; 18:e0291022. [PMID: 37656700 PMCID: PMC10473488 DOI: 10.1371/journal.pone.0291022] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2023] [Accepted: 08/18/2023] [Indexed: 09/03/2023] Open
Abstract
Recently, myocardial ischemia-reperfusion (I/R) injury was suggested associated with intestinal flora. However, irisin has demonstrated beneficial effects on myocardial I/R injury, thus increasing interest in exploring its mechanism. Therefore, whether irisin interferes in gut microbiota and gut mucosal barrier during myocardial I/R injury was investigated in the present study. Irisin was found to reduce the infiltration of inflammatory cells and fracture in myocardial tissue, myocardial enzyme levels, and the myocardial infarction (MI) area. In addition, the data showed that irisin reverses I/R-induced gut dysbiosis as indicated by the decreased abundance of Actinobacteriota and the increased abundance of Firmicutes, and maintains intestinal barrier integrity, reduces metabolic endotoxemia, and inhibits the production of proinflammatory cytokines interleukin 1β (IL-1β), interleukin 6 (IL-6), and tumor necrosis factor α (TNF-α). Based on the results, irisin could be a good candidate for ameliorating myocardial I/R injury and associated diseases by alleviating gut dysbiosis, endothelial dysfunction and anti-inflammatory properties.
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Affiliation(s)
- Qingqing Liu
- LinFen Central Hospital, LinFen, China
- Linfen Key Laboratory of Basic and Clinical Research on Coronary Heart Disease, Linfen Clinical Medical Research Center, LinFen, China
| | - Yu Zhu
- LinFen Central Hospital, LinFen, China
- Linfen Key Laboratory of Basic and Clinical Research on Coronary Heart Disease, Linfen Clinical Medical Research Center, LinFen, China
- School of Sport Medicine and Rehabilitation, Beijing Sport University, Beijing, China
| | - Guangyao Li
- LinFen Central Hospital, LinFen, China
- Linfen Key Laboratory of Basic and Clinical Research on Coronary Heart Disease, Linfen Clinical Medical Research Center, LinFen, China
| | - Tiantian Guo
- LinFen Central Hospital, LinFen, China
- Linfen Key Laboratory of Basic and Clinical Research on Coronary Heart Disease, Linfen Clinical Medical Research Center, LinFen, China
| | - Mengtong Jin
- LinFen Central Hospital, LinFen, China
- Linfen Key Laboratory of Basic and Clinical Research on Coronary Heart Disease, Linfen Clinical Medical Research Center, LinFen, China
| | - Duan Xi
- LinFen Central Hospital, LinFen, China
| | | | - Xuezhi Liu
- LinFen Central Hospital, LinFen, China
- Linfen Key Laboratory of Basic and Clinical Research on Coronary Heart Disease, Linfen Clinical Medical Research Center, LinFen, China
- Department of Cardiovascular Surgery, Linfen Central Hospital, Linfen, China
| | - Shuming Guo
- LinFen Central Hospital, LinFen, China
- Linfen Key Laboratory of Basic and Clinical Research on Coronary Heart Disease, Linfen Clinical Medical Research Center, LinFen, China
| | - Hui Liu
- LinFen Central Hospital, LinFen, China
- Linfen Key Laboratory of Basic and Clinical Research on Coronary Heart Disease, Linfen Clinical Medical Research Center, LinFen, China
- Department of Cardiovascular Surgery, Linfen Central Hospital, Linfen, China
| | - Jiamao Fan
- LinFen Central Hospital, LinFen, China
- Linfen Key Laboratory of Basic and Clinical Research on Coronary Heart Disease, Linfen Clinical Medical Research Center, LinFen, China
- Department of Cardiology, Linfen Central Hospital, Linfen, China
| | - Ronghua Liu
- LinFen Central Hospital, LinFen, China
- Linfen Key Laboratory of Basic and Clinical Research on Coronary Heart Disease, Linfen Clinical Medical Research Center, LinFen, China
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Zhao H, Ren Q, Wang HY, Zong Y, Zhao W, Wang Y, Qu M, Wang J. Alterations in gut microbiota and urine metabolomics in infants with yin-deficiency constitution aged 0–2 years. Heliyon 2023; 9:e14684. [PMID: 37064462 PMCID: PMC10102239 DOI: 10.1016/j.heliyon.2023.e14684] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Revised: 03/15/2023] [Accepted: 03/15/2023] [Indexed: 03/31/2023] Open
Abstract
Background Based on the constitution theroy, infants are classified into balanced constitution (BC) and unbalanced constitution. Yin-deficiency constitution (YINDC) is a common type of unbalanced constitutions in Chinese infants. An infant's gut microbiota directly affects the child's health and has long-term effects on the maturation of the immune and endocrine systems throughout life. However, the gut microbiota of infants with YINDC remains unknown. Herein, we aimed to evaluate the intestinal flora profiles and urinary metabolites in infant with YINDC, find biomarkers to identify YINDC, and promote our understanding of infant constitution classification. Methods Constitutional Medicine Questionnaires were used to assess the infants' constitution types. 47 infants with 21 cases of YINDC and 26 cases of BC were included, and a cross-sectional sampling of stool and urine was conducted. Fecal microbiota was characterized using 16S rRNA sequencing, and urinary metabolomics was profiled using UPLC-Q-TOF/MS method. YINDC markers with high accuracy were identified using receiver operating characteristic (ROC) analysis. Results The diversity and composition of intestinal flora and urinary metabolites differed significantly between the YINDC and BC groups. A total of 13 obviously different genera and 55 altered metabolites were identified. Stool microbiome shifts were associated with urine metabolite changes. A combined marker comprising two genera may have a high potential to identify YINDC with an AUC of 0.845. Conclusions Infants with YINDC had a unique gut microbiota and metabolomic profile resulting in a constitutional microclassification. The altered gut microbiome in YINDC may account for the higher risk of cardiovascular diseases. Metabolomic analysis of urine showed that metabolic pathways, including histidine metabolism, proximal tubule bicarbonate reclamation, arginine biosynthesis, and steroid hormone biosynthesis, were altered in infants with YINDC. Additionally, the combined bacterial biomarker had the ability to identify YINDC. Identifying YINDC in infancy and intervening at an early stage is crucial for preventing cardiovascular diseases.
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In Vitro Modulation of Rumen Fermentation by Microbiota from the Recombination of Rumen Fluid and Solid Phases. Microbiol Spectr 2023; 11:e0338722. [PMID: 36475888 PMCID: PMC9927485 DOI: 10.1128/spectrum.03387-22] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Rumen microbiota transplantation (RMT) can improve rumen fermentation and ruminant performance. However, due to the microbial distinction in the fluid and solid phases, the current understanding of their specific roles in RMT is insufficient. Thus, this study was conducted to determine the effects of the microbiota from the recombination of the rumen fluid and solid phases on in vitro fermentation. The rumen fresh fluid (FF) and fresh solid (FS) phases were collected, and FS was washed for the fresh solid washing solution (FW). The fractions of FF, FS, and FW were autoclaved to obtain autoclaved fluid (AF), solid (AS), and washing solution (AW). Then, these phases were recombined to form eight treatments: FFFS, FFAS, FFFW, FFAW, AFFS, AFAS, AFFW, and AFAW. After 24 h of fermentation, the gas production in AFFS, FFFS, and FFAS was significantly higher than that of other groups. AFAS and AFAW had significantly lower alpha diversity than did other groups. The solid phase was enriched with fiber-degrading bacteria, including Treponema, Succinivibrio, and Ruminococcus. The fluid phase was dominated by Prevotella, Christensenellaceae R-7 group, and Rikenellaceae RC9 gut group. The washing solution had more Ruminobacter, Lachnospiraceae, and Fibrobacter. Moreover, the double-autoclaved phases displayed increased abundances of harmful bacteria, as AFAS and AFAW had higher Streptococcus and Prevotellaceae YAB2003 group abundances. A network analysis showed that the signature microbiota in AFAS and AFAW were negatively associated with the keystone microbiota in the other groups. In summary, the recombination of the solid phase and the autoclaved fluid phase had the best in vitro fermentation result, which provided certain references for RMT. IMPORTANCE This is the first study to systematically evaluate the in vitro fermentation efficiency of diets by bacteria harvested and recombined from the fluid and solid phases of rumen contents, and it took into account the effect of washing the rumen solid phase. Using "reconstituted rumen content", this study confirmed that bacteria from different fractions of the rumen digesta resulted in different fermentation production of diets and found the characteristic bacteria in each phase of rumen contents. Our data reveal that the bacteria in the solid phase have more positive effects on the in vitro fermentation parameters, that the combination of the autoclaved fluid phase and the fresh solid phase have the most ideal fermentation effect, and that the autoclave process significantly influenced the microbial composition and increased the abundance of harmful bacteria. This study provides a landmark reference for the future use of rumen microbiota transplantation to improve animal feed utilization and growth performance.
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Salvador AC, Huda MN, Arends D, Elsaadi AM, Gacasan AC, Brockmann GA, Valdar W, Bennett BJ, Threadgill DW. Analysis of strain, sex, and diet-dependent modulation of gut microbiota reveals candidate keystone organisms driving microbial diversity in response to American and ketogenic diets. RESEARCH SQUARE 2023:rs.3.rs-2540322. [PMID: 36778219 PMCID: PMC9915790 DOI: 10.21203/rs.3.rs-2540322/v1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Background The gut microbiota is modulated by a combination of diet, host genetics, and sex effects. The magnitude of these effects and interactions among them is important to understanding inter-individual variability in gut microbiota. In a previous study, mouse strain-specific responses to American and ketogenic diets were observed along with several QTL for metabolic traits. In the current study, we searched for genetic variants underlying differences in the gut microbiota in response to American and ketogenic diets, which are high in fat and vary in carbohydrate composition, between C57BL/6J (B6) and FVB/NJ (FVB) mouse strains. Results Genetic mapping of microbial features revealed 18 loci under the QTL model (i.e., marginal effects that are not specific to diet or sex), 12 loci under the QTL by diet model, and 1 locus under the QTL by sex model. Multiple metabolic and microbial features map to the distal part of Chr 1 and Chr 16 along with eigenvectors extracted from principal coordinate analysis of measures of β-diversity. Bilophila , Ruminiclostridium 9 , and Rikenella (Chr 1) were identified as sex and diet independent QTL candidate keystone organisms and Rikenelleceae RC9 Gut Group (Chr 16) was identified as a diet-specific, candidate keystone organism in confirmatory factor analyses of traits mapping to these regions. For many microbial features, irrespective of which QTL model was used, diet or the interaction between diet and a genotype were the strongest predictors of the abundance of each microbial trait. Sex, while important to the analyses, was not as strong of a predictor for microbial abundances. Conclusions These results demonstrate that sex, diet, and genetic background have different magnitudes of effects on inter-individual differences in gut microbiota. Therefore, Precision Nutrition through the integration of genetic variation, microbiota, and sex affecting microbiota variation will be important to predict response to diets varying in carbohydrate composition.
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Effects of Different-Sized Cages on the Production Performance, Serum Parameters, and Caecal Microbiota Composition of Laying Hens. Animals (Basel) 2023; 13:ani13020266. [PMID: 36670806 PMCID: PMC9854594 DOI: 10.3390/ani13020266] [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: 11/17/2022] [Revised: 01/05/2023] [Accepted: 01/10/2023] [Indexed: 01/15/2023] Open
Abstract
The effects of four different-sized cages—huge (HC), large (LC), medium (MC), and small (SC) cages—on the productive performance, serum biochemical indices, and caecal microbiota composition of Roman laying hens were investigated. At 44 weeks of age, a total of 450 hens were selected and allocated to the four groups, with six replicates each. Equal stocking density (0.054 m2 per bird) was maintained among the four groups throughout the experiment, and number of birds/cage changed for each treatment. After 2 weeks of preliminary trial, the formal experiment was performed from 46 to 60 weeks of age. The laying rate and feed conversion ratio (FCR) were determined daily, antibody titres were measured every 3 weeks, and serum biochemical parameters and caecal microbiota composition were analysed at 60 weeks of age. Compared to HC and SC, the higher laying rate and lower FCR in MC and LC indicated positive effects on egg production and feed efficiency, while SC showed the highest body weight gain (p < 0.05). With increasing cage size, the serum triglycerides (TG) and total cholesterol (T-CH) levels were reduced, and serum glutathione peroxidase (GSH-Px) activity improved, where birds raised in HCs had the lowest serum TG and T-CH and the highest GSH-Px activity. Twenty-nine different phyla and 301 different genera were detected in the caecal microbiota of birds in the four groups. Methanobrevibacter was significantly higher in the SC than in the other groups (p < 0.05). Faecalibacterium was most abundant in the MC compared with the other groups (p < 0.05) and was significantly positively correlated with serum GSH-Px concentration (R = 0.214, p = 0.0017). Lactobacillus was significantly less abundant in the LC and MC than in the HC and SC groups (p < 0.05) and was significantly positively correlated with body weight (R = 0.350, p = 0.0009) but negatively correlated with laying rate and FCR. In conclusion, MC were superior to HC and LC in improving feed conversion efficiency and caecal microflora composition compared to the SC. An appropriate increase in cage size is beneficial to laying hen production and health.
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Kipp ZA, Xu M, Bates EA, Lee WH, Kern PA, Hinds TD. Bilirubin Levels Are Negatively Correlated with Adiposity in Obese Men and Women, and Its Catabolized Product, Urobilin, Is Positively Associated with Insulin Resistance. Antioxidants (Basel) 2023; 12:170. [PMID: 36671031 PMCID: PMC9854555 DOI: 10.3390/antiox12010170] [Citation(s) in RCA: 15] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2022] [Revised: 01/03/2023] [Accepted: 01/09/2023] [Indexed: 01/12/2023] Open
Abstract
Bilirubin levels in obese humans and rodents have been shown to be lower than in their lean counterparts. Some studies have proposed that the glucuronyl UGT1A1 enzyme that clears bilirubin from the blood increases in the liver with obesity. UGT1A1 clearance of bilirubin allows more conjugated bilirubin to enter the intestine, where it is catabolized into urobilin, which can be then absorbed via the hepatic portal vein. We hypothesized that when bilirubin levels are decreased, the urobilin increases in the plasma of obese humans, as compared to lean humans. To test this, we measured plasma levels of bilirubin and urobilin, body mass index (BMI), adiposity, blood glucose and insulin, and HOMA IR in a small cohort of obese and lean men and women. We found that bilirubin levels negatively correlated with BMI and adiposity in obese men and women, as compared to their lean counterparts. Contrarily, urobilin levels were positively associated with adiposity and BMI. Only obese women were found to be insulin resistant based on significantly higher HOMA IR, as compared to lean women. The urobilin levels were positively associated with HOMA IR in both groups, but women had a stronger linear correlation. These studies indicate that plasma urobilin levels are associated with obesity and its comorbidities, such as insulin resistance.
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Affiliation(s)
- Zachary A. Kipp
- Department of Pharmacology and Nutritional Sciences, University of Kentucky, 760 Press Avenue, Healthy Kentucky Research Building, Lexington, KY 40508, USA
| | - Mei Xu
- Department of Pharmacology and Nutritional Sciences, University of Kentucky, 760 Press Avenue, Healthy Kentucky Research Building, Lexington, KY 40508, USA
| | - Evelyn A. Bates
- Department of Pharmacology and Nutritional Sciences, University of Kentucky, 760 Press Avenue, Healthy Kentucky Research Building, Lexington, KY 40508, USA
| | - Wang-Hsin Lee
- Department of Pharmacology and Nutritional Sciences, University of Kentucky, 760 Press Avenue, Healthy Kentucky Research Building, Lexington, KY 40508, USA
| | - Philip A. Kern
- Department of Internal Medicine, Division of Endocrinology, University of Kentucky, Lexington, KY 40508, USA
| | - Terry D. Hinds
- Department of Pharmacology and Nutritional Sciences, University of Kentucky, 760 Press Avenue, Healthy Kentucky Research Building, Lexington, KY 40508, USA
- Barnstable Brown Diabetes Center, University of Kentucky, Lexington, KY 40508, USA
- Markey Cancer Center, University of Kentucky, Lexington, KY 40508, USA
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Zhao N, Wang Y, Ma Y, Liang X, Zhang X, Gao Y, Dong Y, Bai D, Hu J. Jia-Wei-Si-Miao-Yong-An decoction modulates intestinal flora and metabolites in acute coronary syndrome model. Front Cardiovasc Med 2023; 9:1038273. [PMID: 36684592 PMCID: PMC9845626 DOI: 10.3389/fcvm.2022.1038273] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2022] [Accepted: 12/05/2022] [Indexed: 01/06/2023] Open
Abstract
Aims We assessed the efficacy of the traditional Chinese medicine formulation Jia-Wei-Si-Miao-Yong-An decoction (HJ11) in the treatment of acute coronary syndrome and evaluated its impact on the intestinal microbiota and their metabolites. Methods An acute coronary syndrome model was established in rats, which were randomly assigned to the model, HJ11 treatment, and atorvastatin treatment groups. Rats were then administered saline solution (model and sham operation control groups) or drugs by oral gavage for 28 d. Echocardiography was performed and serum creatine kinase-MB and cardiac troponin I levels were monitored to examine the cardiac function. Inflammation was evaluated using hematoxylin and eosin staining of heart tissue, and serum interleukin-2, interleukin-6, tumor necrosis factor alpha, and high-sensitivity C-reactive protein measurements. Gut microbiota composition was analyzed via 16S rRNA gene sequencing. Metabolomics was used to determine fecal metabolites and elucidate the modes of action of HJ11 in acute coronary syndrome treatment. Results HJ11 improved cardiac function and attenuated inflammation in rats with acute coronary syndrome. Relative to the untreated model group, the HJ11-treated group presented normalized Firmicutes/Bacteroidetes ratio and reduced abundances of the bacterial genera norank_f__Ruminococcaceae, Desulfovibrio, Clostridium_sensu_stricto_1, Adlercreutzia, Staphylococcus, Bacteroides, Prevotella, Rikenellaceae_RC9_gut_group, unclassified_o__Bacteroidales, and Ruminococcus_gauvreauii_group. We found 23 differentially expressed intestinal metabolites, and the enriched metabolic pathways were mainly related to amino acid metabolism. We also discovered that asymmetric dimethylarginine levels were strongly associated with cardiovascular disease. Correlation analyses revealed strong associations among intestinal microflora, their metabolites, proinflammatory factors, and cardiac function. Hence, the therapeutic effects of HJ11 on acute coronary syndrome are related to specific alterations in gut microbiota and their metabolites. Conclusion This work demonstrated that HJ11 effectively treats acute coronary syndrome. HJ11 seems to increase the abundance of beneficial bacterial taxa (Bacteroides and Rikenellaceae_RC9_gut_group), mitigate the risk factors associated with cardiovascular disease, alter bacterial metabolites, lower asymmetric dimethylarginine levels, and effectively treat acute coronary syndrome.
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Affiliation(s)
- Ning Zhao
- Formula-Syndrome Research Center, Institute of Basic Theory for Chinese Medicine, China Academy of Chinese Medical Sciences, Beijing, China
- Department of Pharmacy, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Ying Wang
- Formula-Syndrome Research Center, Institute of Basic Theory for Chinese Medicine, China Academy of Chinese Medical Sciences, Beijing, China
| | - Yan Ma
- Department of Pathophysiology and Allergy Research, Vienna General Hospital, Center of Pathophysiology, Infectiology and Immunology, Medical University of Vienna, Vienna, Austria
| | - Xiaoxue Liang
- Formula-Syndrome Research Center, Institute of Basic Theory for Chinese Medicine, China Academy of Chinese Medical Sciences, Beijing, China
| | - Xi Zhang
- Formula-Syndrome Research Center, Institute of Basic Theory for Chinese Medicine, China Academy of Chinese Medical Sciences, Beijing, China
| | - Yuan Gao
- Formula-Syndrome Research Center, Institute of Basic Theory for Chinese Medicine, China Academy of Chinese Medical Sciences, Beijing, China
| | - Yingying Dong
- Formula-Syndrome Research Center, Institute of Basic Theory for Chinese Medicine, China Academy of Chinese Medical Sciences, Beijing, China
| | - Dong Bai
- Formula-Syndrome Research Center, Institute of Basic Theory for Chinese Medicine, China Academy of Chinese Medical Sciences, Beijing, China
| | - Jingqing Hu
- Formula-Syndrome Research Center, Institute of Basic Theory for Chinese Medicine, China Academy of Chinese Medical Sciences, Beijing, China
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Li J, Huang P, Cheng W, Niu Q. Stilbene-based derivatives as potential inhibitors of trimethylamine (TMA)-lyase affect gut microbiota in coronary heart disease. Food Sci Nutr 2023; 11:93-100. [PMID: 36655110 PMCID: PMC9834892 DOI: 10.1002/fsn3.3046] [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: 12/06/2021] [Revised: 08/05/2022] [Accepted: 08/14/2022] [Indexed: 01/21/2023] Open
Abstract
Coronary heart disease (CHD) is defined by atherosclerosis, which may result in stenosis or blockage of the arterial cavity, leading to ischemic cardiac diseases such as angina and myocardial infarction (MI). Accumulating evidence indicates that the gut microbiota play a critical role in the initiation and progression of CHD. The gut microbial metabolite trimethylamine N-oxide (TMAO) is intimately linked to the pathophysiology of CHD. The hepatic flavin-containing monooxygenases (FMOs) convert trimethylamine (TMA) to TMAO. As a result, it is critical to prevent TMA generation. Stilbenes could reduce cardiovascular disease mortality. Twelve stilbenes with inhibitory activity against TMA-lyase were compiled and evaluated in this study. Docking results showed Resveratroloside had the highest Vina score, indicating that it was the most active and might be employed as a lead molecule for further structural modification.
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Affiliation(s)
- Jincai Li
- School of Traditional Chinese MedicineBozhou UniversityBozhouChina
| | - Peng Huang
- School of PharmacyAnhui University of Chinese MedicineHefeiChina
| | - Wangxing Cheng
- School of PharmacyAnhui University of Chinese MedicineHefeiChina
| | - Qian Niu
- Department of PharmacyBozhou Vocational and Technical CollegeBozhouChina
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Cao J, Li J, Gu Z, Niu JJ, An GS, Jin QQ, Wang YY, Huang P, Sun JH. Combined metabolomics and machine learning algorithms to explore metabolic biomarkers for diagnosis of acute myocardial ischemia. Int J Legal Med 2023; 137:169-180. [PMID: 35348878 DOI: 10.1007/s00414-022-02816-y] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2021] [Accepted: 03/15/2022] [Indexed: 01/10/2023]
Abstract
Acute myocardial ischemia (AMI) remains the leading cause of death worldwide, and the post-mortem diagnosis of AMI represents a current challenge for both clinical and forensic pathologists. In the present study, the untargeted metabolomics based on ultra-performance liquid chromatography combined with high-resolution mass spectrometry was applied to analyze serum metabolic signatures from AMI in a rat model (n = 10 per group). A total of 28 endogenous metabolites in serum were significantly altered in AMI group relative to control and sham groups. A set of machine learning algorithms, namely gradient tree boosting (GTB), support vector machine (SVM), random forest (RF), logistic regression (LR), and multilayer perceptron (MLP) models, was used to screen the more valuable metabolites from 28 metabolites to optimize the biomarker panel. The results showed that classification accuracy and performance of MLP model were better than other algorithms when the metabolites consisting of L-threonic acid, N-acetyl-L-cysteine, CMPF, glycocholic acid, L-tyrosine, cholic acid, and glycoursodeoxycholic acid. Finally, 17 blood samples from autopsy cases were applied to validate the classification model's value in human samples. The MLP model constructed based on rat dataset achieved accuracy of 88.23%, and ROC of 0.89 for predicting AMI type II in autopsy cases of sudden cardiac death. The results demonstrated that MLP model based on 7 molecular biomarkers had a good diagnostic performance for both AMI rats and autopsy-based blood samples. Thus, the combination of metabolomics and machine learning algorithms provides a novel strategy for AMI diagnosis.
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Affiliation(s)
- Jie Cao
- Shanghai Key Laboratory of Forensic Medicine (Academy of Forensic Science), 200063, Shanghai, People's Republic of China.,School of Forensic Medicine, Shanxi Medical University, No. 98, University Street, Wujinshan Town, Yuci District, Jinzhong, Shanxi Province, 030604, People's Republic of China
| | - Jian Li
- School of Forensic Medicine, Shanxi Medical University, No. 98, University Street, Wujinshan Town, Yuci District, Jinzhong, Shanxi Province, 030604, People's Republic of China
| | - Zhen Gu
- School of Forensic Medicine, Shanxi Medical University, No. 98, University Street, Wujinshan Town, Yuci District, Jinzhong, Shanxi Province, 030604, People's Republic of China
| | - Jia-Jia Niu
- School of Forensic Medicine, Shanxi Medical University, No. 98, University Street, Wujinshan Town, Yuci District, Jinzhong, Shanxi Province, 030604, People's Republic of China
| | - Guo-Shuai An
- School of Forensic Medicine, Shanxi Medical University, No. 98, University Street, Wujinshan Town, Yuci District, Jinzhong, Shanxi Province, 030604, People's Republic of China
| | - Qian-Qian Jin
- School of Forensic Medicine, Shanxi Medical University, No. 98, University Street, Wujinshan Town, Yuci District, Jinzhong, Shanxi Province, 030604, People's Republic of China
| | - Ying-Yuan Wang
- School of Forensic Medicine, Shanxi Medical University, No. 98, University Street, Wujinshan Town, Yuci District, Jinzhong, Shanxi Province, 030604, People's Republic of China
| | - Ping Huang
- Shanghai Key Laboratory of Forensic Medicine (Academy of Forensic Science), 200063, Shanghai, People's Republic of China
| | - Jun-Hong Sun
- Shanghai Key Laboratory of Forensic Medicine (Academy of Forensic Science), 200063, Shanghai, People's Republic of China. .,School of Forensic Medicine, Shanxi Medical University, No. 98, University Street, Wujinshan Town, Yuci District, Jinzhong, Shanxi Province, 030604, People's Republic of China.
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Guo M, Liu H, Yu Y, Zhu X, Xie H, Wei C, Mei C, Shi Y, Zhou N, Qin K, Li W. Lactobacillus rhamnosus GG ameliorates osteoporosis in ovariectomized rats by regulating the Th17/Treg balance and gut microbiota structure. Gut Microbes 2023; 15:2190304. [PMID: 36941563 PMCID: PMC10038048 DOI: 10.1080/19490976.2023.2190304] [Citation(s) in RCA: 26] [Impact Index Per Article: 26.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 03/23/2023] Open
Abstract
BACKGROUND With increasing knowledge about the gut - bone axis, more studies for treatments based on the regulation of postmenopausal osteoporosis by gut microbes are being conducted. Based on our previous work, this study was conducted to further investigate the therapeutic effects of Lactobacillus rhamnosus GG (LGG) on ovariectomized (OVX) model rats and the immunological and microecological mechanisms involved. RESULTS We found a protective effect of LGG treatment in OVX rats through changes in bone microarchitecture, bone biomechanics, and CTX-I, PINP, Ca, and RANKL expression levels. LGG was more advantageous in promoting osteogenesis, which may be responsible for the alleviation of osteoporosis. Th17 cells were imbalanced with Treg cells in mediastinal lymph nodes and bone marrow, with RORγt and FOXP3 expression following a similar trend. TNF-α and IL-17 expression in colon and bone marrow increased, while TGF-β and IL-10 expression decreased; however, LGG treatment modulated these changes and improved the Th17/Treg balance significantly. Regarding the intestinal barrier, we found that LGG treatment ameliorated estrogen deficiency-induced inflammation and mucosal damage and increased the expression of GLP-2 R and tight junction proteins. Importantly, 16S rRNA sequencing showed a significant increase in the Firmicutes/Bacteroidetes ratio during estrogen deficiency. Dominant intestinal flora showed significant differences in composition; LGG treatment regulated the various genera that were imbalanced in OVX, along with modifying those that did not change significantly in other groups with respect to the intestinal barrier, inflammation development, and bile acid metabolism. CONCLUSIONS Overall, LGG ameliorated estrogen deficiency-induced osteoporosis by regulating the gut microbiome and intestinal barrier and stimulating Th17/Treg balance in gut and bone.
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Affiliation(s)
- Mengyu Guo
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, China
- Jiangsu Key Laboratory of Chinese Medicine Processing, Engineering Center of State Ministry of Education for Standardization of Chinese Medicine Processing, Nanjing University of Chinese Medicine, Nanjing, China
| | - Huanjin Liu
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, China
- Jiangsu Key Laboratory of Chinese Medicine Processing, Engineering Center of State Ministry of Education for Standardization of Chinese Medicine Processing, Nanjing University of Chinese Medicine, Nanjing, China
| | - Yinting Yu
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, China
- Jiangsu Key Laboratory of Chinese Medicine Processing, Engineering Center of State Ministry of Education for Standardization of Chinese Medicine Processing, Nanjing University of Chinese Medicine, Nanjing, China
| | - Xingyu Zhu
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, China
- Jiangsu Key Laboratory of Chinese Medicine Processing, Engineering Center of State Ministry of Education for Standardization of Chinese Medicine Processing, Nanjing University of Chinese Medicine, Nanjing, China
| | - Hui Xie
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, China
- Jiangsu Key Laboratory of Chinese Medicine Processing, Engineering Center of State Ministry of Education for Standardization of Chinese Medicine Processing, Nanjing University of Chinese Medicine, Nanjing, China
| | - Chenxu Wei
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, China
- Jiangsu Key Laboratory of Chinese Medicine Processing, Engineering Center of State Ministry of Education for Standardization of Chinese Medicine Processing, Nanjing University of Chinese Medicine, Nanjing, China
| | - Chunmei Mei
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, China
- Jiangsu Key Laboratory of Chinese Medicine Processing, Engineering Center of State Ministry of Education for Standardization of Chinese Medicine Processing, Nanjing University of Chinese Medicine, Nanjing, China
| | - Yun Shi
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, China
- Jiangsu Key Laboratory of Chinese Medicine Processing, Engineering Center of State Ministry of Education for Standardization of Chinese Medicine Processing, Nanjing University of Chinese Medicine, Nanjing, China
| | - Nong Zhou
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, China
- Jiangsu Key Laboratory of Chinese Medicine Processing, Engineering Center of State Ministry of Education for Standardization of Chinese Medicine Processing, Nanjing University of Chinese Medicine, Nanjing, China
| | - Kunming Qin
- School of Pharmacy, Jiangsu Ocean University, Lianyungang, China
| | - Weidong Li
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, China
- Jiangsu Key Laboratory of Chinese Medicine Processing, Engineering Center of State Ministry of Education for Standardization of Chinese Medicine Processing, Nanjing University of Chinese Medicine, Nanjing, China
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Zhou P, Zhao XN, Ma YY, Tang TJ, Wang SS, Wang L, Huang JL. Virtual screening analysis of natural flavonoids as trimethylamine (TMA)-lyase inhibitors for coronary heart disease. J Food Biochem 2022; 46:e14376. [PMID: 35945702 DOI: 10.1111/jfbc.14376] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2022] [Revised: 07/22/2022] [Accepted: 07/27/2022] [Indexed: 01/13/2023]
Abstract
Coronary heart disease (CHD) is defined by atherosclerosis, which can result in stenosis or blockage of the arterial cavity, leading to ischemic cardiac diseases such as angina and myocardial infarction. Accumulating evidence indicates that the gut microbiota plays a vital role in the beginning and progression of CHD. The gut microbial metabolite, trimethylamine-N-oxide (TMAO), is intimately linked to the pathophysiology of CHD. TMAO is formed when trimethylamine (TMA) is converted by flavin-containing monooxygenases in the hepatocytes. Therefore, inhibition of TMA production is essential to reduce TMAO levels. Flavonoids may reduce the risk of death from cardiovascular disease. In this article, we reviewed and evaluated twenty-two flavonoids for the therapy of CHD based on their inhibition of TMA-lyase by molecular docking. Docking results revealed that baicalein, fisetin, acacetin, and myricetin in flavonoid aglycones, and baicalin, naringin, and hesperidin in flavonoid glycosides had a good binding effect with TMA-lyase. This indicates that these chemicals were the most active and could be used as lead compounds for structural modification in the future. PRACTICAL APPLICATIONS: Flavonoids are a large class of polyphenolic compounds found in fruits, vegetables, flowers, tea, and herbal medicines, which are inexorably metabolized and transformed into bioactive metabolites by α-rhamnosidase, β-glucuronidase, β-glucosidase, and nitroreductase produced by the gut microbiota, which plays a beneficial role in the prevention and treatment of cardiovascular diseases. Because flavonoids protect the cardiovascular system and regulate the gut microbiota, and the gut microbiota is directly connected to TMAO, thus, reducing TMAO levels involves blocking the transition of TMA to TMAO, which may be performed by reducing TMA synthesis. Molecular docking results found that baicalein, fisetin, acacetin, and myricetin in flavonoid aglycones, and baicalin, naringin, and hesperidin in flavonoid glycosides had good binding effects on TMA-lyase, which were the most active and could be used as lead compounds for structural modification.
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Affiliation(s)
- Peng Zhou
- Department of Integrated Chinese and Western Medicine, Anhui University of Chinese Medicine, Hefei, People's Republic of China.,Institute of Integrated Chinese and Western Medicine, Anhui Academy of Chinese Medicine, Hefei, People's Republic of China.,Anhui Province Key Laboratory of Chinese Medicinal Formula, Hefei, People's Republic of China
| | - Xiao-Ni Zhao
- Department of Integrated Chinese and Western Medicine, Anhui University of Chinese Medicine, Hefei, People's Republic of China
| | - Yao-Yao Ma
- Department of Integrated Chinese and Western Medicine, Anhui University of Chinese Medicine, Hefei, People's Republic of China
| | - Tong-Juan Tang
- Department of Integrated Chinese and Western Medicine, Anhui University of Chinese Medicine, Hefei, People's Republic of China
| | - Shu-Shu Wang
- Department of Integrated Chinese and Western Medicine, Anhui University of Chinese Medicine, Hefei, People's Republic of China
| | - Liang Wang
- Department of Integrated Chinese and Western Medicine, Anhui University of Chinese Medicine, Hefei, People's Republic of China.,Institute of Integrated Chinese and Western Medicine, Anhui Academy of Chinese Medicine, Hefei, People's Republic of China.,Anhui Province Key Laboratory of Chinese Medicinal Formula, Hefei, People's Republic of China
| | - Jin-Ling Huang
- Department of Integrated Chinese and Western Medicine, Anhui University of Chinese Medicine, Hefei, People's Republic of China.,Institute of Integrated Chinese and Western Medicine, Anhui Academy of Chinese Medicine, Hefei, People's Republic of China.,Anhui Province Key Laboratory of Chinese Medicinal Formula, Hefei, People's Republic of China
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Long J, Wang J, Li Y, Chen S. Gut microbiota in ischemic stroke: Where we stand and challenges ahead. Front Nutr 2022; 9:1008514. [DOI: 10.3389/fnut.2022.1008514] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2022] [Accepted: 11/07/2022] [Indexed: 12/03/2022] Open
Abstract
Gut microbiota is increasingly recognized to affect host health and disease, including ischemic stroke (IS). Here, we systematically review the current understanding linking gut microbiota as well as the associated metabolites to the pathogenesis of IS (e.g., oxidative stress, apoptosis, and neuroinflammation). Of relevance, we highlight that the implications of gut microbiota-dependent intervention could be harnessed in orchestrating IS.
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Ramsay TG, Arfken AM, Summers KL. Enteroendocrine peptides, growth, and the microbiome during the porcine weaning transition. Anim Microbiome 2022; 4:56. [DOI: 10.1186/s42523-022-00206-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Accepted: 09/28/2022] [Indexed: 11/19/2022] Open
Abstract
Abstract
Background
Growth rate in pigs can be affected by numerous factors that also affect feeding behavior and the microbiome. Recent studies report some communication between the microbiome and the enteroendocrine system. The present study examined if changes in the piglet microbiome between birth and during the weaning transition can be correlated either positively or negatively with growth rate and plasma concentrations of enteroendocrine peptides.
Results
During the post-weaning transition, a 49% reduction in average daily gain was observed at day 24 (P < 0.05) relative to day 21. Pigs recovered by day 28 with body weight and average daily gain increases of 17% and 175%, respectively relative to day 24 and the highest rate of gain was measured at day 35 (462 g/day). The time interval between day 21–24 had the highest number of correlations (n = 25) between the relative abundance differences in taxa over time and corresponding percent weight gain. Amplicon sequence variants with the greatest correlation with percent weight gain between day 21–24 belonged to families Prevotellaceae NK3B31 (ρ = 0.65, P < 0.001), Veillonellaceae (ρ = 0.63, P < 0.001) and Rikenellaceae RC9 (ρ = 0.62, P < 0.001). Seven taxa were positively correlated with percent weight gain between day 24–28. Eight taxa were positively correlated with percent weight gain between day 28–35, of which four were Clostridia. Only Lactobacillus reuteri was positively correlated across both day 24–28 and day 28–35 analyses. Insulin-like growth factor 1 (IGF-1; R2 = 0.61, P < 0.001), glucose-dependent insulinotropic polypeptide (GIP; R2 = 0.20, P < 0.001), glucagon-like peptide 1 (GLP-1; R2 = 0.51, P < 0.001), and glucagon-like peptide 2 (GLP-2; R2 = 0.21, P < 0.001) were significantly associated with the piglet fecal community NMDS, while serotonin showed no significant association (R2 = 0.03, P = 0.15). Higher concentrations of GLP-1 and GLP-2 characterized day 1 fecal communities, while GIP levels had the strongest relationship primarily with samples ordinated with the day 21 cluster.
Conclusions
Demonstration of an association of certain taxa with individual gut peptides at specific ages suggests the potential for the microbiome to elicit changes in the gut enteroendocrine system during early postnatal development in the pig.
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Virwani PD, Cai L, Yeung PKK, Qian G, Chen Y, Zhou L, Wong JWH, Wang Y, Ho JWK, Lau KK, Qian PY, Chung SK. Deficiency of exchange protein directly activated by cAMP (EPAC)-1 in mice augments glucose intolerance, inflammation, and gut dysbiosis associated with Western diet. MICROBIOME 2022; 10:187. [PMID: 36329549 PMCID: PMC9635209 DOI: 10.1186/s40168-022-01366-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/06/2022] [Accepted: 09/05/2022] [Indexed: 06/16/2023]
Abstract
BACKGROUND Gut microbiota (GM) dysregulation, known as dysbiosis, has been proposed as a crucial driver of obesity associated with "Western" diet (WD) consumption. Gut dysbiosis is associated with increased gut permeability, inflammation, and insulin resistance. However, host metabolic pathways implicated in the pathophysiology of gut dysbiosis are still elusive. Exchange protein directly activated by cAMP (Epac) plays a critical role in cell-cell junction formation and insulin secretion. Here, we used homozygous Epac1-knockout (Epac1-/-), Epac2-knockout (Epac2-/-), and wild-type (WT) mice to investigate the role of Epac proteins in mediating gut dysbiosis, gut permeability, and inflammation after WD feeding. RESULTS The 16S rRNA gene sequencing of fecal DNA showed that the baseline GM of Epac2-/-, but not Epac1-/-, mice was represented by a significantly higher Firmicutes to Bacteroidetes ratio and significant alterations in several taxa compared to WT mice, suggesting that Epac2-/- mice had gut dysbiosis under physiological conditions. However, an 8-week WD led to a similar gut microbiome imbalance in mice regardless of genotype. While Epac1 deficiency modestly exacerbated the WD-induced GM dysbiosis, the WD-fed Epac2-/- mice had a more significant increase in gut permeability than corresponding WT mice. After WD feeding, Epac1-/-, but not Epac2-/-, mice had significantly higher mRNA levels of tumor necrosis factor-alpha (TNF-α) and F4/80 in the epididymal white adipose tissue (EWAT), increased circulating lipocalin-2 protein and more severe glucose intolerance, suggesting greater inflammation and insulin resistance in WD-fed Epac1-/- mice than corresponding WT mice. Consistently, Epac1 protein expression was significantly reduced in the EWAT of WD-fed WT and Epac2-/- mice. CONCLUSION Despite significantly dysregulated baseline GM and a more pronounced increase in gut permeability upon WD feeding, WD-fed Epac2-/- mice did not exhibit more severe inflammation and glucose intolerance than corresponding WT mice. These findings suggest that the role of gut dysbiosis in mediating WD-associated obesity may be context-dependent. On the contrary, we demonstrate that deficiency of host signaling protein, Epac1, drives inflammation and glucose intolerance which are the hallmarks of WD-induced obesity. Video abstract.
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Affiliation(s)
- Preeti Dinesh Virwani
- School of Biomedical Sciences, Li Ka Shing (LKS) Faculty of Medicine, The University of Hong Kong, Hong Kong S.A.R., China
- Department of Medicine, LKS Faculty of Medicine, The University of Hong Kong, Hong Kong S.A.R., China
| | - Lin Cai
- Department of Ocean Science and Division of Life Science, Hong Kong University of Science and Technology, Kowloon, Hong Kong S.A.R. China
| | - Patrick Ka Kit Yeung
- School of Biomedical Sciences, Li Ka Shing (LKS) Faculty of Medicine, The University of Hong Kong, Hong Kong S.A.R., China
| | - Gordon Qian
- School of Biomedical Sciences, Li Ka Shing (LKS) Faculty of Medicine, The University of Hong Kong, Hong Kong S.A.R., China
- Laboratory of Data Discovery for Health Limited (D24H), Hong Kong Science Park, Hong Kong S.A.R., China
| | - Yingxian Chen
- School of Biomedical Sciences, Li Ka Shing (LKS) Faculty of Medicine, The University of Hong Kong, Hong Kong S.A.R., China
| | - Lei Zhou
- School of Biomedical Sciences, Li Ka Shing (LKS) Faculty of Medicine, The University of Hong Kong, Hong Kong S.A.R., China
| | - Jason Wing Hon Wong
- School of Biomedical Sciences, Li Ka Shing (LKS) Faculty of Medicine, The University of Hong Kong, Hong Kong S.A.R., China
| | - Yu Wang
- Department of Pharmacology and Pharmacy, LKS Faculty of Medicine, The University of Hong Kong, Hong Kong S.A.R., China
- State Key Laboratory of Pharmaceutical Biotechnology, The University of Hong Kong, Hong Kong S.A.R., China
| | - Joshua Wing Kei Ho
- School of Biomedical Sciences, Li Ka Shing (LKS) Faculty of Medicine, The University of Hong Kong, Hong Kong S.A.R., China
- Laboratory of Data Discovery for Health Limited (D24H), Hong Kong Science Park, Hong Kong S.A.R., China
| | - Kui Kai Lau
- Department of Medicine, LKS Faculty of Medicine, The University of Hong Kong, Hong Kong S.A.R., China
- State Key Laboratory of Brain and Cognitive Sciences, The University of Hong Kong, Hong Kong S.A.R., China
| | - Pei-Yuan Qian
- Department of Ocean Science and Division of Life Science, Hong Kong University of Science and Technology, Kowloon, Hong Kong S.A.R. China
- Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou), Guangzhou, 511458 China
| | - Sookja Kim Chung
- Faculty of Medicine; Faculty of Innovation Engineering, Macau University of Science and Technology, Macau Special Administrative Region (S.A.R.), China
- School of Biomedical Sciences, Li Ka Shing (LKS) Faculty of Medicine, The University of Hong Kong, Hong Kong S.A.R., China
- State Key Laboratory of Pharmaceutical Biotechnology, The University of Hong Kong, Hong Kong S.A.R., China
- Dr. Neher’s Biophysics Laboratory for Innovative Drug Discovery, Macau University of Science and Technology, Macau S.A.R., China
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Zhou P, Kang JL, Cheng QQ, Chen MT, Xie Y, Zhou H. Therapeutic potential of traditional Chinese medicine against atherosclerosis: Targeting trimethylamine N-oxide. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2022; 104:154305. [PMID: 35792446 DOI: 10.1016/j.phymed.2022.154305] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/23/2022] [Revised: 06/14/2022] [Accepted: 06/27/2022] [Indexed: 06/15/2023]
Abstract
BACKGROUND Recent studies have shown that plasma trimethylamine-N-oxide (TMAO) level is highly correlated with the risk of atherosclerosis (AS), and the elevated level is significantly positively correlated with the incidence of AS. PURPOSE The purpose of this article is to offer a useful summary of the correlation between TMAO and AS, and the effect of herbal monomers, herbal extracts, and formulas on anti-atherosclerosis mediated by TMAO. METHOD The data contained in this article comes from PubMed, Web of Science, and China National Knowledge Infrastructure. RESULTS This review discusses the main mechanism of AS induced by TMAO, including endothelial dysfunction, macrophage foaming, platelet reactivity, and cholesterol metabolism, and summarizes 6 herb monomers, 5 herb extracts, and 2 formulas that have been tested for their anti-TMAO activity. CONCLUSION The current understanding of possible ways to reduce TMAO generation is discussed, with the effect and potential of herb monomers, herb extracts, and formulas highlighted.
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Affiliation(s)
- Peng Zhou
- Department of Integrated Traditional Chinese and Western Medicine, Anhui University of Chinese Medicine, Anhui, PR China; Faculty of Chinese Medicine and State Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science and Technology, Avenida Wai Long, Taipa, Macao, PR China
| | - Jun-Li Kang
- Faculty of Chinese Medicine and State Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science and Technology, Avenida Wai Long, Taipa, Macao, PR China
| | - Qi-Qing Cheng
- Faculty of Chinese Medicine and State Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science and Technology, Avenida Wai Long, Taipa, Macao, PR China
| | - Ming-Tai Chen
- Faculty of Chinese Medicine and State Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science and Technology, Avenida Wai Long, Taipa, Macao, PR China; Department of Cardiovascular Disease, Shenzhen Traditional Chinese Medicine Hospital, Guangzhou University of Chinese medicine, Shenzhen, PR China
| | - Ying Xie
- Guangdong Provincial Hospital of Chinese Medicine, Guangdong Provincial Academy of Chinese Medical Sciences, State Key Laboratory of Dampness Syndrome of Chinese Medicine, Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangdong-Hong Kong-Macau Joint Lab on Chinese Medicine and Immune Disease Research, Guangdong, PR China; Faculty of Chinese Medicine and State Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science and Technology, Avenida Wai Long, Taipa, Macao, PR China
| | - Hua Zhou
- Guangdong Provincial Hospital of Chinese Medicine, Guangdong Provincial Academy of Chinese Medical Sciences, State Key Laboratory of Dampness Syndrome of Chinese Medicine, Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangdong-Hong Kong-Macau Joint Lab on Chinese Medicine and Immune Disease Research, Guangdong, PR China; Faculty of Chinese Medicine and State Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science and Technology, Avenida Wai Long, Taipa, Macao, PR China.
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Temmerman R, Ghanbari M, Antonissen G, Schatzmayr G, Duchateau L, Haesebrouck F, Garmyn A, Devreese M. Dose-dependent impact of enrofloxacin on broiler chicken gut resistome is mitigated by synbiotic application. Front Microbiol 2022; 13:869538. [PMID: 35992659 PMCID: PMC9386515 DOI: 10.3389/fmicb.2022.869538] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2022] [Accepted: 07/08/2022] [Indexed: 11/20/2022] Open
Abstract
Fluoroquinolone agents are considered critical for human medicine by the World Health Organization (WHO). However, they are often used for the treatment of avian colibacillosis in poultry production, creating considerable concern regarding the potential spread of fluoroquinolone resistance genes from commensals to pathogens. Therefore, there is a need to understand the impact of fluoroquinolone application on the reservoir of ARGs in poultry gut and devise means to circumvent potential resistome expansion. Building upon a recent dose optimization effort, we used shotgun metagenomics to investigate the time-course change in the cecal microbiome and resistome of broiler chickens receiving an optimized dosage [12.5 mg/kg body weight (bw)/day], with or without synbiotic supplementation (PoultryStar®, BIOMIN GmbH), and a high dosage of enrofloxacin (50 mg/kg bw/day). Compared to the high dose treatment, the low (optimized) dose of enrofloxacin caused the most significant perturbations in the cecal microbiota and resistome of the broiler chickens, demonstrated by a lower cecal microbiota diversity while substantially increasing the antibiotic resistance genes (ARGs) resistome diversity. Withdrawal of antibiotics resulted in a pronounced reduction in ARG diversity. Chickens receiving the synbiotic treatment had the lowest diversity and number of enriched ARGs, suggesting an alleviating impact on the burden of the gut resistome. Some Proteobacteria were significantly increased in the cecal metagenome of chickens receiving enrofloxacin and showed a positive association with increased ARG burden. Differential abundance (DA) analysis revealed a significant increase in the abundance of ARGs encoding resistance to macrolides-lincosamides-streptogramins (MLS), aminoglycosides, and tetracyclines over the period of enrofloxacin application, with the optimized dosage application resulting in a twofold higher number of affected ARG compared to high dosage application. Our results provide novel insights into the dose-dependent effects of clinically important enrofloxacin application in shaping the broiler gut resistome, which was mitigated by a synbiotic application. The contribution to ameliorating the adverse effects of antimicrobial agents, that is, lowering the spread of antimicrobial resistance genes, on the poultry and potentially other livestock gastrointestinal microbiomes and resistomes merits further study.
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Affiliation(s)
- Robin Temmerman
- Department of Pathobiology, Pharmacology and Zoological Medicine, Faculty of Veterinary Medicine, Ghent University, Merelbeke, Belgium
| | | | - Gunther Antonissen
- Department of Pathobiology, Pharmacology and Zoological Medicine, Faculty of Veterinary Medicine, Ghent University, Merelbeke, Belgium
| | | | - Luc Duchateau
- Faculty of Veterinary Medicine, Biometrics Research Center, Ghent University, Merelbeke, Belgium
| | - Freddy Haesebrouck
- Department of Pathobiology, Pharmacology and Zoological Medicine, Faculty of Veterinary Medicine, Ghent University, Merelbeke, Belgium
| | - An Garmyn
- Department of Pathobiology, Pharmacology and Zoological Medicine, Faculty of Veterinary Medicine, Ghent University, Merelbeke, Belgium
| | - Mathias Devreese
- Department of Pathobiology, Pharmacology and Zoological Medicine, Faculty of Veterinary Medicine, Ghent University, Merelbeke, Belgium
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Gradisteanu Pircalabioru G, Liaw J, Gundogdu O, Corcionivoschi N, Ilie I, Oprea L, Musat M, Chifiriuc MC. Effects of the Lipid Profile, Type 2 Diabetes and Medication on the Metabolic Syndrome—Associated Gut Microbiome. Int J Mol Sci 2022; 23:ijms23147509. [PMID: 35886861 PMCID: PMC9318871 DOI: 10.3390/ijms23147509] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2022] [Revised: 06/28/2022] [Accepted: 07/04/2022] [Indexed: 02/08/2023] Open
Abstract
Metabolic syndrome (MetSyn) is a major health problem affecting approximately 25% of the worldwide population. Since the gut microbiota is highly connected to the host metabolism, several recent studies have emerged to characterize the role of the microbiome in MetSyn development and progression. To this end, our study aimed to identify the microbiome patterns which distinguish MetSyn from type 2 diabetes mellitus (T2DM). We performed 16S rRNA amplicon sequencing on a cohort of 70 individuals among which 40 were MetSyn patients. The microbiome of MetSyn patients was characterised by reduced diversity, loss of butyrate producers (Subdoligranulum, Butyricicoccus, Faecalibacterium prausnitzii) and enrichment in the relative abundance of fungal populations. We also show a link between the gut microbiome and lipid metabolism in MetSyn. Specifically, low-density lipoproteins (LDL) and high-density lipoproteins (HDL) display a positive effect on gut microbial diversity. When interrogating the signature of gut microbiota in a subgroup of patients harbouring both MetSyn and T2DM conditions, we observed a significant increase in taxa such as Bacteroides, Clostridiales, and Erysipelotrichaceae. This preliminary study shows for the first time that T2DM brings unique signatures of gut microbiota in MetSyn patients. We also highlight the impact of metformin treatment on the gut microbiota. Metformin administration was linked to changes in Prevotellaceae, Rickenellaceae, and Clostridiales. Further research focusing on the microbiome-metabolome patterns is needed to clarify the exact association of various gut microbial communities with the progression of T2DM and the occurrence of various complications in MetSyn patients.
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Affiliation(s)
| | - Janie Liaw
- Faculty of Infectious & Tropical Diseases, London School of Hygiene and Tropical Medicine, Keppel Street, London WC1E 7HT, UK;
| | - Ozan Gundogdu
- Faculty of Infectious & Tropical Diseases, London School of Hygiene and Tropical Medicine, Keppel Street, London WC1E 7HT, UK;
- Correspondence: (G.G.P.); (O.G.)
| | - Nicolae Corcionivoschi
- Bacteriology Branch, Veterinary Sciences Division, Agri-Food and Biosciences Institute, Belfast BT9 5PX, UK;
- Faculty of Bioengineering of Animal Resources, Banat University of Agricultural Sciences and Veterinary Medicine—King Michael I of Romania, 300645 Timisoara, Romania
| | | | - Luciana Oprea
- National Institute of Endocrinology C.I. Parhon, 011863 Bucharest, Romania; (L.O.); (M.M.)
| | - Madalina Musat
- National Institute of Endocrinology C.I. Parhon, 011863 Bucharest, Romania; (L.O.); (M.M.)
- Department of Endocrinology, Carol Davila University of Medicine and Pharmacy, 020021 Bucharest, Romania
| | - Mariana-Carmen Chifiriuc
- Research Institute of University of Bucharest (ICUB), 300645 Bucharest, Romania;
- Romanian Academy, 010071 Bucharest, Romania
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40
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Li Z, Ding L, Zhu W, Hang S. Effects of the increased protein level in small intestine on the colonic microbiota, inflammation and barrier function in growing pigs. BMC Microbiol 2022; 22:172. [PMID: 35794527 PMCID: PMC9258065 DOI: 10.1186/s12866-022-02498-x] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2021] [Accepted: 03/16/2022] [Indexed: 12/03/2022] Open
Abstract
Background An increased level of the dietary protein alters the colonic microbial community and metabolic profile of pigs, but it remains unclear whether this leads to colonic inflammation and impairs barrier function in growing pigs. Results Sixteen pigs (35.2 ± 0.3 kg) were infused with sterile saline (control) or soy protein hydrolysate (SPH) (70 g/day) through a duodenal fistula twice daily during a 15-day experimental period. The SPH treatment did not affect their average daily feed intake and daily weight gain (P > 0.05), but reduced colon index and length (P < 0.05). Illumina MiSeq sequencing revealed that species richness was increased following SPH intervention (P < 0.05). Furthermore, SPH reduced the abundance of butyrate- and propionate-producing bacteria—such as Lachnospiraceae NK4A136 group, Lachnospiraceae_uncultured, Coprococcus 3, Lachnospiraceae UCG-002, and Anaerovibrio—and increased the abundance of potentially pathogenic bacteria and protein-fermenting bacteria, such as Escherichia-Shigella, Dialister, Veillonella, Prevotella, Candidatus Saccharimonas, Erysipelotrichaceae UCG-006, Prevotellaceae_uncultured, and Prevotellaceae UCG-003 (P < 0.05). In addition, a lower content of total short-chain fatty acids, propionate, and butyrate and a higher concentration of cadaverine, putrescine, total biogenic amines, ammonia, and isovalerate were observed following SPH infusion (P < 0.05). Further analysis revealed that SPH increased the concentration of tumour necrosis factor-α, interleukin (IL)-1β, IL-6, and IL-8 in the colonic mucosa (P < 0.05). Interestingly, SPH intervention increased the expression of occludin, zonula occludens (ZO)-1, and claudin-1 in colonic mucosa (P < 0.05). Correlation analysis showed that different genera were significantly related to the production of metabolites and the concentrations of pro-inflammatory cytokines. Conclusion An increased soy protein level in the small intestine altered the colonic microbial composition and metabolic profile, which resulted in the secretion of colonic proinflammatory cytokines and the increased expression of tight junction proteins. Supplementary Information The online version contains supplementary material available at 10.1186/s12866-022-02498-x.
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Zhang J, Gao H, Jiang F, Liu D, Hou Y, Chi X, Qin W, Song P, Cai Z, Zhang T. Comparative Analysis of Gut Microbial Composition and Functions in Przewalski's Gazelle ( Procapra przewalskii) From Various Habitats. Front Microbiol 2022; 13:913358. [PMID: 35756029 PMCID: PMC9213746 DOI: 10.3389/fmicb.2022.913358] [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] [Received: 04/05/2022] [Accepted: 05/06/2022] [Indexed: 11/13/2022] Open
Abstract
Gut microbiota of mammals participates in host nutrient metabolism and plays an important role in host adaptation to the environment. Herein, to understand the relationship between environment differences and the composition and abundance of the gut microbiota of Przewalski's gazelle (Procapra przewalskii) in almost all its habitats, high throughput sequencing of the 16S rRNA gene was used to compared the characteristics of the gut microbiota based on total 120 fecal samples. The results showed that Przewalski's gazelle exhibited different characteristics of microbiota diversity in different habitats. The Jiangxigou Rescue Station (JX), Nongchang (NC), and Ganzihe and Haergai townships (GH) groups had a relatively high microbiota diversity, while the Niaodao scenic area (ND) group had the lowest diversity. This finding seemed to follow a similar pattern of change in the population of Przewalski's gazelle. Bacteroidetes and Actinobacteria were the phyla with significant differences, especially between the Wayu township (WY) and the other groups. The difference in the microbiota mainly included the Ruminococcaceae UCG-005, Christensenellaceae R-7 group, and Bacteroidaceae and was enriched in the ND, WY, and other regions. We speculated that the difference in the gut microbiota was due to a difference in environmental characteristics, particularly the food resources that the host can obtain. We speculated that a similar microbiome has important functions for species survival and represents the evolutionary commonality of Przewalski's gazelle, while a different microbiome plays an important role in the adaptation of Przewalski's gazelle to a different environment. The results of this study illustrate how the same species adapts to different environments from the perspective of gut microbiota plasticity and therefore are of great significance for the protection and restoration of the population of this species.
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Affiliation(s)
- Jingjie Zhang
- Key Laboratory of Adaptation and Evolution of Plateau Biota, Northwest Institute of Plateau Biology, Chinese Academy of Sciences, Xining, China.,College of Life Sciences, University of Chinese Academy of Sciences, Beijing, China.,Qinghai Provincial Key Laboratory of Animal Ecological Genomics, Xining, China
| | - Hongmei Gao
- Key Laboratory of Adaptation and Evolution of Plateau Biota, Northwest Institute of Plateau Biology, Chinese Academy of Sciences, Xining, China.,Qinghai Provincial Key Laboratory of Animal Ecological Genomics, Xining, China
| | - Feng Jiang
- Key Laboratory of Adaptation and Evolution of Plateau Biota, Northwest Institute of Plateau Biology, Chinese Academy of Sciences, Xining, China.,College of Life Sciences, University of Chinese Academy of Sciences, Beijing, China.,Qinghai Provincial Key Laboratory of Animal Ecological Genomics, Xining, China
| | - Daoxin Liu
- Key Laboratory of Adaptation and Evolution of Plateau Biota, Northwest Institute of Plateau Biology, Chinese Academy of Sciences, Xining, China.,College of Life Sciences, University of Chinese Academy of Sciences, Beijing, China
| | - Yuansheng Hou
- Qinghai Lake National Nature Reserve Bureau, Xining, China
| | | | - Wen Qin
- State Key Laboratory of Plateau Ecology and Agriculture, Qinghai University, Xining, China
| | - Pengfei Song
- Key Laboratory of Adaptation and Evolution of Plateau Biota, Northwest Institute of Plateau Biology, Chinese Academy of Sciences, Xining, China.,College of Life Sciences, University of Chinese Academy of Sciences, Beijing, China
| | - Zhenyuan Cai
- Key Laboratory of Adaptation and Evolution of Plateau Biota, Northwest Institute of Plateau Biology, Chinese Academy of Sciences, Xining, China.,Qinghai Provincial Key Laboratory of Animal Ecological Genomics, Xining, China
| | - Tongzuo Zhang
- Key Laboratory of Adaptation and Evolution of Plateau Biota, Northwest Institute of Plateau Biology, Chinese Academy of Sciences, Xining, China.,Qinghai Provincial Key Laboratory of Animal Ecological Genomics, Xining, China
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Zhang R, Zhang Q, Chen Y, Zhao Q, Zhang B, Wang L, Zhou C, Zhang Q, Chen K, Zhang Y, Hou X, Chen H, Liu X, Ni M, Jiang B. Combined treatment with Rg1 and adipose-derived stem cells alleviates DSS-induced colitis in a mouse model. Stem Cell Res Ther 2022; 13:272. [PMID: 35729638 PMCID: PMC9210677 DOI: 10.1186/s13287-022-02940-x] [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] [Received: 06/28/2021] [Accepted: 12/13/2021] [Indexed: 11/27/2022] Open
Abstract
Background Inflammatory bowel diseases, consisting of Crohn’s disease and ulcerative colitis constitute chronic inflammatory conditions that may compromise the whole gastrointestinal tract as well as the colonic mucosa. Currently, there are no curative interventions for IBD, and all available treatments have side effects that limit their use. Adipose-derived stem cell (ADSC) treatment is a prospective treatment option for IBD. Previous findings indicated that ginsenoside (Rg1) dampened inflammatory diseases like colitis by inhibiting the binding of LPS to TLR4 on macrophages and restoring the Th17/Treg ratio. The purpose of this work was to investigate whether Rg1 can increase the influence of ADSC in a mouse model of colitis triggered by dextran sulfate sodium (DSS). Methods ADSC was intravenously inoculated into mice with DSS-triggered colitis, while Rg1 was delivered via oral gavage. Colon inflammation was assessed via body weight, colon length along with H&E staining. Serum cytokine levels were measured using ELISA. Besides, flow cytometry was adopted to determine the percentage, as well as FMI of immune cells in the spleen. The effects of simultaneous Rg1 and ADSC treatment on TLR4-MyD88 signaling were assessed via immunofluorescence. Results Rg1 and ADSC effectively alleviated the impacts of colon inflammation, weight loss, and colon length reduction along with histological score. Treatment with Rg1 and ADSC reduced serum levels of the proinflammatory cytokines, IL-1β, TNF-α, IL-6, IL-4, and IL-17A and upregulated the level of immunosuppressive cytokine, IL-10. Compared with ADSC or Rg1 alone, combined treatment with Rg1 and ADSC significantly improved the structure of microbial community. Additionally, treatment with Rg1 plus ADSC selectively elevated the level of splenic regulatory T (Treg) cells and downregulated the proportion of T helper type 17 (Th17) cells, indicating restoration of intestinal homeostasis. Besides, we established that the combination of ADSC + Rg1 restored immunological balance more effectively than either ADSC or Rg1 alone, illustrating that Rg1's modulatory function on the gut microbiota may boost the impact of ADSCs in restoration of the immune balance. ADSC combined with Rg1 might downregulate the expression of TLR4 and MyD88, thereby suppressing TLR4-MyD8 signaling. The immunofluorescence results also suggested that co-therapy with Rg-1 and ADSC may optimize treatment strategies of IBD. Conclusions Here, we find that the combination of Rg1 and ADSC alleviates DSS-induced colitis in a mouse model more efficiently than ADSC alone, indicating that Rg1 enhances the effect of ADSC against colitis. Supplementary Information The online version contains supplementary material available at 10.1186/s13287-022-02940-x.
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Affiliation(s)
- Rui Zhang
- Anorectal Surgery of Zhongda Hospital Southeast University, Nanjing, 210009, China.,Graduate School of Nanjing University of Chinese Medicine, Nanjing, 210029, China
| | - Qingqing Zhang
- Department of Pathogen Biology, Key Laboratory of Pathogen of Jiangsu Province, Nanjing Medical University, Nanjing, 211166, China
| | - Yanni Chen
- Anorectal Surgery of Zhongda Hospital Southeast University, Nanjing, 210009, China
| | - Qing Zhao
- Department of Pathogen Biology, Key Laboratory of Pathogen of Jiangsu Province, Nanjing Medical University, Nanjing, 211166, China
| | - Bo Zhang
- Anorectal Surgery of Zhongda Hospital Southeast University, Nanjing, 210009, China
| | - Ling Wang
- Graduate School of Nanjing University of Chinese Medicine, Nanjing, 210029, China
| | - Chungen Zhou
- Colorectal Disease Center of Nanjing Hospital of Chinese Medicine, Affiliated to Nanjing University of Chinese Medicine, Nanjing, 210022, China
| | - Qi Zhang
- Graduate School of Nanjing University of Chinese Medicine, Nanjing, 210029, China
| | - Kun Chen
- Anorectal Surgery of Zhongda Hospital Southeast University, Nanjing, 210009, China
| | - Yuqing Zhang
- Graduate School of Nanjing University of Chinese Medicine, Nanjing, 210029, China
| | - Xiaotao Hou
- Anorectal Surgery of Zhongda Hospital Southeast University, Nanjing, 210009, China
| | - Hao Chen
- Anorectal Surgery of Zhongda Hospital Southeast University, Nanjing, 210009, China
| | - Xingyin Liu
- Department of Pathogen Biology, Key Laboratory of Pathogen of Jiangsu Province, Nanjing Medical University, Nanjing, 211166, China.
| | - Min Ni
- Colorectal Disease Center of Nanjing Hospital of Chinese Medicine, Affiliated to Nanjing University of Chinese Medicine, Nanjing, 210022, China.
| | - Bin Jiang
- Colorectal Disease Center of Nanjing Hospital of Chinese Medicine, Affiliated to Nanjing University of Chinese Medicine, Nanjing, 210022, China.
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Dong C, Yang Y, Wang Y, Hu X, Wang Q, Gao F, Sun S, Liu Q, Li L, Liu J, Tang Y, Zhang S, Wu C, Zhu H. Gut Microbiota Combined with Metabolites Reveals Unique Features of Acute Myocardial Infarction Patients Different from Stable Coronary Artery Disease. J Adv Res 2022; 46:101-112. [PMID: 35750287 PMCID: PMC10105070 DOI: 10.1016/j.jare.2022.06.008] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2022] [Revised: 06/14/2022] [Accepted: 06/16/2022] [Indexed: 10/18/2022] Open
Abstract
INTRODUCTION Acute myocardial infarction (AMI) accounts for the majority of deaths caused by coronary artery disease (CAD). Early warning of AMI, especially for patients with stable coronary artery disease (sCAD), is urgently needed. Our previous study showed that alterations in the gut microbiota were correlated with CAD severity. OBJECTIVES Herein, we tried to discover accurate and convenient biomarkers for AMI by combination of gut microbiota and fecal/blood/urinary metabolomics. METHODS We recruited 190 volunteers including 93 sCAD patients, 49 AMI patients, and 48 subjects with normal coronary artery (NCA), and measured their blood biochemical parameters, 16S rRNA-based gut microbiota and NMR-based fecal/blood/urinary metabolites. We further selected 20 subjects from each group and analyzed their gut microbiota by whole-metagenome shotgun sequencing. RESULTS Multi-omic analyses revealed that AMI patients exhibited specific changes in gut microbiota and serum/urinary/fecal metabolites as compared to subjects with sCAD or NCA. Fourteen bacterial genera and 30 metabolites (11 in feces, 10 in blood, 9 in urine) were closely related to AMI phenotypes and could accurately distinguish AMI patients from sCAD patients. Some species belonging to Alistipes, Streptococcus, Ruminococcus, Lactobacillus and Faecalibacterium were effective to distinguish AMI from sCAD and their predictive ability was confirmed in an independent cohort of CAD patients. We further selected nine indicators including 4 bacterial genera, 3 fecal and 2 urinary metabolites as a noninvasive biomarker set which can distinguish AMI from sCAD with an AUC of 0.932. CONCLUSION Combination of gut microbiota and fecal/urinary metabolites provided a set of potential useful and noninvasive predictive biomarker for AMI from sCAD.
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Affiliation(s)
- Chaoran Dong
- State Key Laboratory for Bioactive Substances and Functions of Natural Medicines, Beijing Key Laboratory of New Drug Mechanisms and Pharmacological Evaluation Study, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China.
| | - Yanan Yang
- Pharmacology and Toxicology Research Center, Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China.
| | - Yinghong Wang
- State Key Laboratory for Bioactive Substances and Functions of Natural Medicines, Beijing Key Laboratory of New Drug Mechanisms and Pharmacological Evaluation Study, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China.
| | - Xiaomin Hu
- Department of Cardiology, Peking Union Medical College Hospital, Chinese Academy of Medical Science & Peking Union Medical College, Beijing, China.
| | - Qingchun Wang
- State Key Laboratory for Bioactive Substances and Functions of Natural Medicines, Beijing Key Laboratory of New Drug Mechanisms and Pharmacological Evaluation Study, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China.
| | - Feng Gao
- State Key Laboratory for Bioactive Substances and Functions of Natural Medicines, Beijing Key Laboratory of New Drug Mechanisms and Pharmacological Evaluation Study, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China.
| | - Shanshan Sun
- State Key Laboratory for Bioactive Substances and Functions of Natural Medicines, Beijing Key Laboratory of New Drug Mechanisms and Pharmacological Evaluation Study, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China.
| | - Qifeng Liu
- State Key Laboratory for Bioactive Substances and Functions of Natural Medicines, Beijing Key Laboratory of New Drug Mechanisms and Pharmacological Evaluation Study, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China.
| | - Lei Li
- Xiyuan Hospital of China Academy of Chinese Medical Sciences, Beijing, China.
| | - Jianxun Liu
- Xiyuan Hospital of China Academy of Chinese Medical Sciences, Beijing, China.
| | - Yida Tang
- State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China.
| | - Shuyang Zhang
- Department of Cardiology, Peking Union Medical College Hospital, Chinese Academy of Medical Science & Peking Union Medical College, Beijing, China.
| | - Chongming Wu
- School of Chinese Materia Medica, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China.
| | - Haibo Zhu
- State Key Laboratory for Bioactive Substances and Functions of Natural Medicines, Beijing Key Laboratory of New Drug Mechanisms and Pharmacological Evaluation Study, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China.
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Zhang X, Xu B, Hou Z, Xie C, Niu Y, Dai Q, Yan X, Wu D. Dietary ε-Polylysine Affects on Gut Microbiota and Plasma Metabolites Profiling in Mice. Front Nutr 2022; 9:842686. [PMID: 35571901 PMCID: PMC9097516 DOI: 10.3389/fnut.2022.842686] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2022] [Accepted: 03/08/2022] [Indexed: 12/14/2022] Open
Abstract
Given the antibacterial effects of ε-polylysine acting on cell membranes, and that glycerol phospholipids are important components of the cell membrane, we hypothesized that ε-polylysine may regulate glycerophospholipid metabolism by modifying the gut microbiota. To test this hypothesis, we treated post-weaning C57 mice with different levels of ε-polylysine (0, 300, 600, and 1,200 ppm) in their basic diet. The growth performance and morphology of intestine were then determined. Modification of the gut microbiota and their function were analyzed using 16S rDNA sequencing. Metabolite identification was performed using the LC-MS method. The results showed that body weight decreased with an increasing supplemental level of ε-polylysine from 5 to 7 weeks (P < 0.05), but no significant difference was observed after 8 weeks (P > 0.05). Supplementation with 1,200 ppm ε-polylysine changed the morphology of the jejunum and ileum, increased the villus length, decreased the crypt depth of the jejunum, and decreased the villus length and crypt depth of the ileum (P < 0.05). ε-Polylysine shifted the intestine microbiota by changing alpha diversity (Chao 1, observed species, Shannon, and Simpson indices) and varied at different times. ε-polylysine decreased Firmicutes and increased Bacteroidetes at 4 week, but increased Firmicutes and decreased Bacteroidetes at 10 week. ε-Polylysine regulated genera associated with lipid metabolism such as Parabacteroides, Odoribacter, Akkermansia, Alistipes, Lachnospiraceae UCG-001, Collinsella, Ruminococcaceae, and Intestinimonas. During the adult period, the genera Alistipes, Lachnospiraceae UCG-001, and Streptomyces were positively associated with PC, PE, LysoPC, LysoPE, 1-Arachidonoylglycerophosphoinositol and OHOHA-PS (R > 0.6, P < 0.001), but changes in Blautia, Christensenellaceae R-7 group, Odoribacter, Allobaculum, Ruminococcaceae UCG-004, Ruminococcaceae UCG-005, and Lachnospiraceae UCG-010 were negatively correlated with glycerophospholipid metabolites (R < −0.6, P < 0.001). The abundance of glycerophospholipid metabolites, including PC, PE, lysoPC, and lysoPE, were decreased by ε-polylysine. Furthermore, ε-polylysine reduced the incidence of the genera including Ruminococcus, Prevotella, Prevotellaceae, Butyricimonas, and Escherichia-Shigella and reduced the abundance of Faecalibaculum, Christensenellaceae R-7 group, Coriobacteriaceae UCG-002. In conclusion, ε-polylysine modified gut microbiota composition and function while also restraining pathogenic bacteria. The glycerophospholipid metabolism pathway and associated metabolites may be regulated by intestinal bacteria.
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Affiliation(s)
- Xuelei Zhang
- Institute of Bast Fiber Crops, Chinese Academy of Agricultural Sciences, Changsha, China.,Department of Animal Nutrition and Feed Science, College of Animal Sciences and Technology, Huazhong Agricultural University, Wuhan, China
| | - Baoyang Xu
- Department of Animal Nutrition and Feed Science, College of Animal Sciences and Technology, Huazhong Agricultural University, Wuhan, China
| | - Zhenping Hou
- Institute of Bast Fiber Crops, Chinese Academy of Agricultural Sciences, Changsha, China
| | - Chunlin Xie
- Department of Animal Nutrition and Feed Science, College of Animal Sciences and Technology, Huazhong Agricultural University, Wuhan, China
| | - Yaorong Niu
- Department of Animal Nutrition and Feed Science, College of Animal Sciences and Technology, Huazhong Agricultural University, Wuhan, China
| | - Qiuzhong Dai
- Institute of Bast Fiber Crops, Chinese Academy of Agricultural Sciences, Changsha, China
| | - Xianghua Yan
- Department of Animal Nutrition and Feed Science, College of Animal Sciences and Technology, Huazhong Agricultural University, Wuhan, China
| | - Duanqin Wu
- Institute of Bast Fiber Crops, Chinese Academy of Agricultural Sciences, Changsha, China
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Saccharomyces boulardii exerts renoprotection by modulating oxidative stress, renin angiotensin system and uropathogenic microbiota in a murine model of diabetes. Life Sci 2022; 301:120616. [PMID: 35533758 DOI: 10.1016/j.lfs.2022.120616] [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: 12/15/2021] [Revised: 04/30/2022] [Accepted: 05/02/2022] [Indexed: 11/22/2022]
Abstract
AIMS We aimed to investigate whether Saccharomyces boulardii strain might exert renoprotective effects by modulating renal renin angiotensin system, oxidative stress and intestinal microbiota in streptozotocin-diabetic mice. MAIN METHODS Thirty-six C57BL/6 male mice were divided into four groups: control (C), control + probiotic (CP), diabetes (D), diabetes + probiotic (DP). Diabetes was induced by one intraperitoneal injection of streptozotocin and Saccharomyces boulardii was administered by oral gavage for 8 weeks. Blood glucose, albuminuria and urinary volume were measured. Renal levels of angiotensin peptides (angiotensin I, II and 1-7) and the activities of angiotensin-converting enzyme (ACE) and ACE2 were determined, besides that, renal morphology, serotonin and dopamine levels and also microbiota composition were analyzed. KEY FINDINGS Probiotics significantly increased C-peptide secretion and reduced blood glucose of diabetic animals. Saccharomyces boulardii also improved renal antioxidant defense, restored serotonin and dopamine concentration, and activated the renin-angiotensin system (RAS) vasodilator and antifibrotic axis. The modulation of these markers was associated with a beneficial impact on glomerular structure and renal function of diabetic treated animals. The phenotypic changes induced by Saccharomyces boulardii were also related to modulation of intestinal microbiota, evidenced by the decreased abundance of Proteus and Escherichia-Shigella, considered diabetic nephropathy biomarkers. SIGNIFICANCE Therefore, probiotic administration to streptozotocin-induced diabetic mice improves kidney structure and function in a murine model and might represent a reasonable strategy to counteract nephropathy-associated maladaptive responses in diabetes.
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Wei ZY, Rao JH, Tang MT, Zhao GA, Li QC, Wu LM, Liu SQ, Li BH, Xiao BQ, Liu XY, Chen JH. Characterization of Changes and Driver Microbes in Gut Microbiota During Healthy Aging Using A Captive Monkey Model. GENOMICS, PROTEOMICS & BIOINFORMATICS 2022; 20:350-365. [PMID: 34974191 PMCID: PMC9684162 DOI: 10.1016/j.gpb.2021.09.009] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/30/2020] [Revised: 09/09/2021] [Accepted: 09/28/2021] [Indexed: 01/05/2023]
Abstract
Recent population studies have significantly advanced our understanding of how age shapes the gut microbiota. However, the actual role of age could be inevitably confounded due to the complex and variable environmental factors in human populations. A well-controlled environment is thus necessary to reduce undesirable confounding effects, and recapitulate age-dependent changes in the gut microbiota of healthy primates. Herein we performed 16S rRNA gene sequencing, characterized the age-associated gut microbial profiles from infant to elderly crab-eating macaques reared in captivity, and systemically revealed the lifelong dynamic changes of the primate gut microbiota. While the most significant age-associated taxa were mainly found as commensals such as Faecalibacterium, the abundance of a group of suspicious pathogens such as Helicobacter was exclusively increased in infants, underlining their potential role in host development. Importantly, topology analysis indicated that the network connectivity of gut microbiota was even more age-dependent than taxonomic diversity, and its tremendous decline with age could probably be linked to healthy aging. Moreover, we identified key driver microbes responsible for such age-dependent network changes, which were further linked to altered metabolic functions of lipids, carbohydrates, and amino acids, as well as phenotypes in the microbial community. The current study thus demonstrates the lifelong age-dependent changes and their driver microbes in the primate gut microbiota, and provides new insights into their roles in the development and healthy aging of their hosts.
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Affiliation(s)
- Zhi-Yuan Wei
- Guangdong Key Laboratory of Animal Conservation and Resource Utilization, Guangdong Public Laboratory of Wild Animal Conservation and Utilization, Institute of Zoology, Guangdong Academy of Sciences, Guangzhou 510260, China,Laboratory of Genomic and Precision Medicine, Wuxi School of Medicine, Jiangnan University, Wuxi 214122, China,Joint Primate Research Center for Chronic Diseases, Jiangnan University and Institute of Zoology, Guangdong Academy of Sciences, Wuxi School of Medicine, Jiangnan University, Wuxi 214122, China
| | - Jun-Hua Rao
- Guangdong Key Laboratory of Animal Conservation and Resource Utilization, Guangdong Public Laboratory of Wild Animal Conservation and Utilization, Institute of Zoology, Guangdong Academy of Sciences, Guangzhou 510260, China,Laboratory of Genomic and Precision Medicine, Wuxi School of Medicine, Jiangnan University, Wuxi 214122, China,Joint Primate Research Center for Chronic Diseases, Jiangnan University and Institute of Zoology, Guangdong Academy of Sciences, Wuxi School of Medicine, Jiangnan University, Wuxi 214122, China
| | - Ming-Tian Tang
- Guangdong Key Laboratory of Animal Conservation and Resource Utilization, Guangdong Public Laboratory of Wild Animal Conservation and Utilization, Institute of Zoology, Guangdong Academy of Sciences, Guangzhou 510260, China,Laboratory of Genomic and Precision Medicine, Wuxi School of Medicine, Jiangnan University, Wuxi 214122, China,Joint Primate Research Center for Chronic Diseases, Jiangnan University and Institute of Zoology, Guangdong Academy of Sciences, Wuxi School of Medicine, Jiangnan University, Wuxi 214122, China
| | - Guo-An Zhao
- Laboratory of Genomic and Precision Medicine, Wuxi School of Medicine, Jiangnan University, Wuxi 214122, China,Joint Primate Research Center for Chronic Diseases, Jiangnan University and Institute of Zoology, Guangdong Academy of Sciences, Wuxi School of Medicine, Jiangnan University, Wuxi 214122, China
| | - Qi-Chun Li
- Laboratory of Genomic and Precision Medicine, Wuxi School of Medicine, Jiangnan University, Wuxi 214122, China,Joint Primate Research Center for Chronic Diseases, Jiangnan University and Institute of Zoology, Guangdong Academy of Sciences, Wuxi School of Medicine, Jiangnan University, Wuxi 214122, China
| | - Li-Ming Wu
- Laboratory of Genomic and Precision Medicine, Wuxi School of Medicine, Jiangnan University, Wuxi 214122, China,Joint Primate Research Center for Chronic Diseases, Jiangnan University and Institute of Zoology, Guangdong Academy of Sciences, Wuxi School of Medicine, Jiangnan University, Wuxi 214122, China
| | - Shao-Qiang Liu
- Laboratory of Genomic and Precision Medicine, Wuxi School of Medicine, Jiangnan University, Wuxi 214122, China,Joint Primate Research Center for Chronic Diseases, Jiangnan University and Institute of Zoology, Guangdong Academy of Sciences, Wuxi School of Medicine, Jiangnan University, Wuxi 214122, China
| | - Bi-Hai Li
- Guangdong Key Laboratory of Animal Conservation and Resource Utilization, Guangdong Public Laboratory of Wild Animal Conservation and Utilization, Institute of Zoology, Guangdong Academy of Sciences, Guangzhou 510260, China,Joint Primate Research Center for Chronic Diseases, Jiangnan University and Institute of Zoology, Guangdong Academy of Sciences, Wuxi School of Medicine, Jiangnan University, Wuxi 214122, China
| | - Bai-Quan Xiao
- Guangdong Key Laboratory of Animal Conservation and Resource Utilization, Guangdong Public Laboratory of Wild Animal Conservation and Utilization, Institute of Zoology, Guangdong Academy of Sciences, Guangzhou 510260, China,Joint Primate Research Center for Chronic Diseases, Jiangnan University and Institute of Zoology, Guangdong Academy of Sciences, Wuxi School of Medicine, Jiangnan University, Wuxi 214122, China
| | - Xing-Yin Liu
- Department of Pathogen-Microbiology Division, Nanjing Medical University, Nanjing 211166, China
| | - Jian-Huan Chen
- Guangdong Key Laboratory of Animal Conservation and Resource Utilization, Guangdong Public Laboratory of Wild Animal Conservation and Utilization, Institute of Zoology, Guangdong Academy of Sciences, Guangzhou 510260, China,Laboratory of Genomic and Precision Medicine, Wuxi School of Medicine, Jiangnan University, Wuxi 214122, China,Joint Primate Research Center for Chronic Diseases, Jiangnan University and Institute of Zoology, Guangdong Academy of Sciences, Wuxi School of Medicine, Jiangnan University, Wuxi 214122, China,Corresponding author.
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Effects of Fenugreek Seed Extracts on Growth Performance and Intestinal Health of Broilers. Poult Sci 2022; 101:101939. [PMID: 35691048 PMCID: PMC9194860 DOI: 10.1016/j.psj.2022.101939] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2022] [Revised: 04/06/2022] [Accepted: 04/25/2022] [Indexed: 01/25/2023] Open
Abstract
The purpose of this experiment was to study the effects of fenugreek seed extract (FSE) on the growth performance, intestinal morphology, intestinal immunity and cecal micro-organisms in yellow-feathered broilers. A total of 240 one-day-old male yellow-feathered broilers were selected and randomly assigned to four treatments with 6 replicates per group and ten broilers per replicate. Started from the third day, birds were fed with basal diet (CON group) or basal diet supplemented with 30 mg/kg Zinc bacitracin (ZB group), or basal diet supplemented with 50 (D-FSE group) or 100 (H-FSE group) mg/kg FSE, respectively. The experiment lasted for 56 d. The results showed that dietary FSE supplementation improved average daily weight gain (ADG) and ratio of feed to weight gain (F: G) (P < 0.01), increased intestinal villus height (VH), villus height to crypt depth ratio (V/C) (P < 0.05), serum concentrations of IL-10, and the contents of secretory immunoglobulin A (sIgA) (P < 0.05), as well as decreased the activity of iNOS (P < 0.05). The high-throughput sequencing results showed that dietary FSE supplementation increased the alpha diversity of cecal microbes, and Firmicutes, Bacteroidetes, Verrucomicrobia and Proteobacteria taken up 95% of all phyla detected, FSE significantly reduced Campylobacter, Synergistes, and Lachnoclostridium abundance (P ≤ 0.05). There were significant difference in more than 30 KEGG pathways between FSE added group and control group or ZB group. FSE supplementation, in other words, maintained gut microbiota homeostasis while improving broiler growth performance. As a result, FSE has the potential to replace prophylactic antibiotic use in poultry production system.
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Shen CL, Wang R, Ji G, Elmassry MM, Zabet-Moghaddam M, Vellers H, Hamood AN, Gong X, Mirzaei P, Sang S, Neugebauer V. Dietary supplementation of gingerols- and shogaols-enriched ginger root extract attenuate pain-associated behaviors while modulating gut microbiota and metabolites in rats with spinal nerve ligation. J Nutr Biochem 2022; 100:108904. [PMID: 34748918 PMCID: PMC8794052 DOI: 10.1016/j.jnutbio.2021.108904] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2021] [Revised: 09/24/2021] [Accepted: 10/08/2021] [Indexed: 02/03/2023]
Abstract
Neuroinflammation is a central factor in neuropathic pain (NP). Ginger is a promising bioactive compound in NP management due to its anti-inflammatory property. Emerging evidence suggests that gut microbiome and gut-derived metabolites play a key role in NP. We evaluated the effects of two ginger root extracts rich in gingerols (GEG) and shogaols (SEG) on pain sensitivity, anxiety-like behaviors, circulating cell-free mitochondrial DNA (ccf-mtDNA), gut microbiome composition, and fecal metabolites in rats with NP. Sixteen male rats were divided into four groups: sham, spinal nerve ligation (SNL), SNL+0.75%GEG in diet, and SNL+0.75%SEG in diet groups for 30 days. Compared to SNL group, both SNL+GEG and SNL+SEG groups showed a significant reduction in pain- and anxiety-like behaviors, and ccf-mtDNA level. Relative to the SNL group, both SNL+GEG and SNL+SEG groups increased the relative abundance of Lactococcus, Sellimonas, Blautia, Erysipelatoclostridiaceae, and Anaerovoracaceae, but decreased that of Prevotellaceae UCG-001, Rikenellaceae RC9 gut group, Mucispirillum and Desulfovibrio, Desulfovibrio, Anaerofilum, Eubacterium siraeum group, RF39, UCG-005, Lachnospiraceae NK4A136 group, Acetatifactor, Eubacterium ruminantium group, Clostridia UCG-014, and an uncultured Anaerovoracaceae. GEG and SEG had differential effects on gut-derived metabolites. Compared to SNL group, SNL+GEG group had higher level of 1'-acetoxychavicol acetate, (4E)-1,7-Bis(4-hydroxyphenyl)-4-hepten-3-one, NP-000629, 7,8-Dimethoxy-3-(2-methyl-3-buten-2-yl)-2H-chromen-2-one, 3-{[4-(2-Pyrimidinyl)piperazino]carbonyl}-2-pyrazinecarboxylic acid, 920863, and (1R,3R,7R,13S)-13-Methyl-6-methylene-4,14,16-trioxatetracyclo[11.2.1.0∼1,10∼.0∼3,7∼]hexadec-9-en-5-one, while SNL+SEG group had higher level for (±)-5-[(tert-Butylamino)-2'-hydroxypropoxy]-1_2_3_4-tetrahydro-1-naphthol and dehydroepiandrosteronesulfate. In conclusion, ginger is a promising functional food in the management of NP, and further investigations are necessary to assess the role of ginger on gut-brain axis in pain management.
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Affiliation(s)
- Chwan-Li Shen
- Department of Pathology, Texas Technical University Health Sciences Center, Lubbock, Texas; Center of Excellence for Integrative Health, Texas Technical University Health Sciences Center, Lubbock, Texas; Center of Excellence for Translational Neuroscience and Therapeutics, Texas Technical University Health Sciences Center, Lubbock, Texas.
| | - Rui Wang
- Department of Pathology, Texas Technical University Health Sciences Center, Lubbock, Texas
| | - Guangchen Ji
- Department of Pharmacology and Neuroscience, Texas Technical University Health Sciences Center, Lubbock, Texas
| | - Moamen M Elmassry
- Department of Biological Sciences, Texas Technical University, Lubbock, Texas
| | | | - Heather Vellers
- Department of Kinesiology and Sport Management, Texas Technical University, Lubbock, Texas
| | - Abdul N Hamood
- Department of Immunology and Molecular Microbiology, Texas Technical University Health Sciences Center, Lubbock, Texas; Department of Surgery, Texas Technical University Health Sciences Center, Lubbock, Teaxs
| | - Xiaoxia Gong
- Center for Biotechnology and Genomics, Texas Technical University, Lubbock, Texas
| | - Parvin Mirzaei
- Center for Biotechnology and Genomics, Texas Technical University, Lubbock, Texas
| | - Shengmin Sang
- Laboratory for Functional Foods and Human Health, Center for Excellence in Post Harvest Technologies, North Carolina A&T State University, North Carolina Research Campus, Kannapolis, North Carolina
| | - Volker Neugebauer
- Center of Excellence for Integrative Health, Texas Technical University Health Sciences Center, Lubbock, Texas; Center of Excellence for Translational Neuroscience and Therapeutics, Texas Technical University Health Sciences Center, Lubbock, Texas; Department of Pharmacology and Neuroscience, Texas Technical University Health Sciences Center, Lubbock, Texas
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Chen Y, Liu Y, Wang Y, Chen X, Wang C, Chen X, Yuan X, Liu L, Yang J, Zhou X. Prevotellaceae produces butyrate to alleviate PD-1/PD-L1 inhibitor-related cardiotoxicity via PPARα-CYP4X1 axis in colonic macrophages. J Exp Clin Cancer Res 2022; 41:1. [PMID: 34980222 PMCID: PMC8722009 DOI: 10.1186/s13046-021-02201-4] [Citation(s) in RCA: 86] [Impact Index Per Article: 43.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2021] [Accepted: 11/26/2021] [Indexed: 01/22/2023] Open
Abstract
BACKGROUND Immune checkpoint inhibitor-related cardiotoxicity is one of the most lethal adverse effects, and thus, the identification of underlying mechanisms for developing strategies to overcome it has clinical importance. This study aimed to investigate whether microbiota-host interactions contribute to PD-1/PD-L1 inhibitor-related cardiotoxicity. METHODS A mouse model of immune checkpoint inhibitor-related cardiotoxicity was constructed by PD-1/PD-L1 inhibitor BMS-1 (5 and 10 mg/kg), and cardiomyocyte apoptosis and cardiotoxicity were determined by hematoxylin and eosin, Masson's trichome and TUNEL assays. 16S rRNA sequencing was used to define the gut microbiota composition. Gut microbiota metabolites short-chain fatty acids (SCFAs) were determined by HPLC. The serum levels of myocardial enzymes (creatine kinase, aspartate transaminase, creatine kinase-MB and lactate dehydrogenase) and the production of M1 factors (TNF-α and IL-1β) were measured by ELISA. The colonic macrophage phenotype was measured by mmunofluorescence and qPCR. The expression of Claudin-1, Occludin, ZO-1 and p-p65 was measured by western blot. The gene expression of peroxisome proliferator-activated receptor α (PPARα) and cytochrome P450 (CYP) 4X1 was determined using qPCR. Statistical analyses were performed using Student's t-test for two-group comparisons, and one-way ANOVA followed by Student-Newman-Keul test for multiple-group comparisons. RESULTS We observed intestinal barrier injury and gut microbiota dysbiosis characterized by Prevotellaceae and Rikenellaceae genus depletion and Escherichia-Shigella and Ruminococcaceae genus enrichment, accompanied by low butyrate production and M1-like polarization of colonic macrophages in BMS-1 (5 and 10 mg/kg)-induced cardiotoxicity. Fecal microbiota transplantation mirrored the effect of BMS-1 on cardiomyocyte apoptosis and cardiotoxicity, while macrophage depletion and neutralization of TNF-α and IL-1β greatly attenuated BMS-1-induced cardiotoxicity. Importantly, Prevotella loescheii recolonization and butyrate supplementation alleviated PD-1/PD-L1 inhibitor-related cardiotoxicity. Mechanistically, gut microbiota dysbiosis promoted M1-like polarization of colonic macrophages and the production of proinflammatory factors TNF-α and IL-1β through downregulation of PPARα-CYP4X1 axis. CONCLUSIONS Intestinal barrier dysfunction amplifies PD-1/PD-L1 inhibitor-related cardiotoxicity by upregulating proinflammatory factors TNF-α and IL-1β in colonic macrophages via downregulation of butyrate-PPARα-CYP4X1 axis. Thus, targeting gut microbiota to polarize colonic macrophages away from the M1-like phenotype could provide a potential therapeutic strategy for PD-1/PD-L1 inhibitor-related cardiotoxicity.
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Affiliation(s)
- Yaxin Chen
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, 430060, China
| | - Yanzhuo Liu
- Department of Pharmacy, Renmin Hospital of Wuhan University, Wuhan, 430060, China
| | - Yang Wang
- Department of Pharmacology and Hubei Province Key Laboratory of Allergy and Immune-related Diseases, School of Basic Medical Sciences, Wuhan University, Wuhan, 430071, China
| | - Xuewei Chen
- Department of Laboratory Medicine, Zhongnan Hospital of Wuhan University, Wuhan, 430071, China
| | - Chenlong Wang
- Department of Pharmacy, Zhongnan Hospital of Wuhan University, Wuhan, 430071, China
| | - Xuehan Chen
- Department of Pharmacology and Hubei Province Key Laboratory of Allergy and Immune-related Diseases, School of Basic Medical Sciences, Wuhan University, Wuhan, 430071, China
| | - Xi Yuan
- Department of Pharmacology and Hubei Province Key Laboratory of Allergy and Immune-related Diseases, School of Basic Medical Sciences, Wuhan University, Wuhan, 430071, China
| | - Lilong Liu
- Department of Pharmacology and Hubei Province Key Laboratory of Allergy and Immune-related Diseases, School of Basic Medical Sciences, Wuhan University, Wuhan, 430071, China
| | - Jing Yang
- Department of Pharmacology and Hubei Province Key Laboratory of Allergy and Immune-related Diseases, School of Basic Medical Sciences, Wuhan University, Wuhan, 430071, China.
| | - Xiaoyang Zhou
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, 430060, China.
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OUP accepted manuscript. FEMS Microbiol Lett 2022; 369:6555450. [DOI: 10.1093/femsle/fnac036] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2022] [Revised: 02/17/2022] [Accepted: 03/26/2022] [Indexed: 11/14/2022] Open
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