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Wen J, Li W, Bo T, Ding B, Zhang X, Wang D. Involvement of the gut microbiota in the metabolic phenotypes of two sympatric gerbils. Comp Biochem Physiol A Mol Integr Physiol 2024; 297:111710. [PMID: 39067809 DOI: 10.1016/j.cbpa.2024.111710] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2024] [Revised: 07/23/2024] [Accepted: 07/23/2024] [Indexed: 07/30/2024]
Abstract
Temporal niche partitioning is a crucial strategy for sympatric species to avoid predation and competition for habitat space and food resources. This study investigated the effect of the gut microbiota on the metabolic rhythms of two sympatric gerbil species (Meriones unguiculatus and Meriones meridianus) to test the hypothesis that the oscillatory patterns of microbiota may not fully mirror those of the host's metabolism. Experiment 1 compared the circadian metabolic and gut microbiota rhythms of M. unguiculatus (n = 12) and M. meridianus (n = 12) and measured the subjects' body temperatures and environmental temperature preferences. In Experiment 2.1, six M. meridianus gerbils were treated with antibiotics, and in Experiment 2.2, 21 M. unguiculatus gerbils (seven per treatment) were randomly gavaged with saline or a gut microbiota suspension from either M. unguiculatus or M. meridianus; their metabolic rhythms were subsequently measured. The results showed that the two gerbils had different metabolic phenotypes that determined activity heterogeneity and contributed to their coexistence. The relative abundances of Bacteroidetes, Actinobacteria, and Cyanobacteria in M. meridianus varied rhythmically in parallel with the daily metabolic rate, which was significantly higher at night than during the day. The rhythm of the metabolic rate was not noticeable in M. unguiculatus. However, in M.unguiculatus, the relative abundances of Firmicutes, Bacteroidetes, Proteobacteria, and Verrucomicrobia were significantly higher during the day than at night, while Cyanobacteria exhibited the opposite pattern. Antibiotic treatment significantly weakened the metabolic rhythms of M. meridianus, and the circadian rhythms slowly recovered after stopping antibiotic gavage. However, after transplanting M. meridianus' gut microbiota into M. unguiculatus, the metabolic rate of M. unguiculatus was not significantly different from that of the control groups. Our hypothesis was partly supported: the microbiota was only partially involved in regulating the metabolic rhythms of gerbils, and other factors could compensate for the effect of the gut microbiota on host metabolic rhythms. This finding underscores the complexity of host-microbiota interactions and highlights the need for further exploration into the multifaceted mechanisms governing host metabolic regulation.
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Affiliation(s)
- Jing Wen
- School of Life and Environmental Sciences, Wenzhou University, Wenzhou, Zhejiang 325035, China; State Key Laboratory of Integrated Management of Pest Insects and Rodents, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China; Key Laboratory for Water Environment and Marine Biological Resources Protection in Zhejiang Province, Wenzhou 325035, China
| | - Wenting Li
- School of Life and Environmental Sciences, Wenzhou University, Wenzhou, Zhejiang 325035, China; Key Laboratory for Water Environment and Marine Biological Resources Protection in Zhejiang Province, Wenzhou 325035, China
| | - Tingbei Bo
- School of Grassland Science, Beijing Forestry University, Beijing 100083, China
| | - Boyang Ding
- Physical Education College, Hebei Normal University, Shijiazhuang 050010, China
| | - Xueying Zhang
- State Key Laboratory of Integrated Management of Pest Insects and Rodents, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China
| | - Dehua Wang
- State Key Laboratory of Integrated Management of Pest Insects and Rodents, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China; School of Life Sciences, Shandong University, Qingdao 266237, China.
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2
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Zhang J, Wang G, Ma J, Duan Y, Sharma SA, Oladejo S, Ma X, Arellano G, Orchard RC, Reese TA, Kuang Z. HDAC3 integrates TGF-β and microbial cues to program tuft cell biogenesis and diurnal rhythms in mucosal immune surveillance. Sci Immunol 2024; 9:eadk7387. [PMID: 39331726 DOI: 10.1126/sciimmunol.adk7387] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2023] [Revised: 04/29/2024] [Accepted: 08/29/2024] [Indexed: 09/29/2024]
Abstract
The intestinal mucosal surface is directly exposed to daily fluctuations in food and microbes driven by 24-hour light and feeding cycles. Intestinal epithelial tuft cells are key sentinels that surveil the gut luminal environment, but how these cells are diurnally programmed remains unknown. Here, we show that histone deacetylase 3 (HDAC3) controls tuft cell specification and the diurnal rhythm of its biogenesis, which is regulated by the gut microbiota and feeding schedule. Disruption of epithelial HDAC3 decreases tuft cell numbers, impairing antihelminth immunity and norovirus infection. Mechanistically, HDAC3 functions noncanonically to activate transforming growth factor-β (TGF-β) signaling, which promotes rhythmic expression of Pou2f3, a lineage-defining transcription factor of tuft cells. Our findings reveal an environmental-epigenetic link that controls the diurnal differentiation of tuft cells and promotes rhythmic mucosal surveillance and immune responses in anticipation of exogenous challenges.
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Affiliation(s)
- Jianglin Zhang
- Department of Biological Sciences, Carnegie Mellon University, Pittsburgh, PA 15213, USA
| | - Guoxun Wang
- Department of Immunology, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
| | - Junjie Ma
- Department of Biological Sciences, Carnegie Mellon University, Pittsburgh, PA 15213, USA
| | - Yiran Duan
- Department of Biological Sciences, Carnegie Mellon University, Pittsburgh, PA 15213, USA
| | - Samskrathi A Sharma
- Department of Biological Sciences, Carnegie Mellon University, Pittsburgh, PA 15213, USA
| | - Sarah Oladejo
- Department of Biological Sciences, Carnegie Mellon University, Pittsburgh, PA 15213, USA
| | - Xianda Ma
- Department of Biological Sciences, Carnegie Mellon University, Pittsburgh, PA 15213, USA
| | - Giselle Arellano
- Department of Biological Sciences, Carnegie Mellon University, Pittsburgh, PA 15213, USA
| | - Robert C Orchard
- Department of Immunology, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
| | - Tiffany A Reese
- Department of Immunology, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
| | - Zheng Kuang
- Department of Biological Sciences, Carnegie Mellon University, Pittsburgh, PA 15213, USA
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3
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Fellows RC, Chun SK, Larson N, Fortin BM, Mahieu AL, Song WA, Seldin MM, Pannunzio NR, Masri S. Disruption of the intestinal clock drives dysbiosis and impaired barrier function in colorectal cancer. SCIENCE ADVANCES 2024; 10:eado1458. [PMID: 39331712 DOI: 10.1126/sciadv.ado1458] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/19/2024] [Accepted: 08/22/2024] [Indexed: 09/29/2024]
Abstract
Diet is a robust entrainment cue that regulates diurnal rhythms of the gut microbiome. We and others have shown that disruption of the circadian clock drives the progression of colorectal cancer (CRC). While certain bacterial species have been suggested to play driver roles in CRC, it is unknown whether the intestinal clock impinges on the microbiome to accelerate CRC pathogenesis. To address this, genetic disruption of the circadian clock, in an Apc-driven mouse model of CRC, was used to define the impact on the gut microbiome. When clock disruption is combined with CRC, metagenomic sequencing identified dysregulation of many bacterial genera including Bacteroides, Helicobacter, and Megasphaera. We identify functional changes to microbial pathways including dysregulated nucleic acid, amino acid, and carbohydrate metabolism, as well as disruption of intestinal barrier function. Our findings suggest that clock disruption impinges on microbiota composition and intestinal permeability that may contribute to CRC pathogenesis.
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Affiliation(s)
- Rachel C Fellows
- Department of Biological Chemistry, University of California Irvine, Irvine, CA 92697, USA
| | - Sung Kook Chun
- Department of Biological Chemistry, University of California Irvine, Irvine, CA 92697, USA
| | - Natalie Larson
- Department of Biological Chemistry, University of California Irvine, Irvine, CA 92697, USA
| | - Bridget M Fortin
- Department of Biological Chemistry, University of California Irvine, Irvine, CA 92697, USA
| | - Alisa L Mahieu
- Department of Biological Chemistry, University of California Irvine, Irvine, CA 92697, USA
| | - Wei A Song
- Department of Biological Chemistry, University of California Irvine, Irvine, CA 92697, USA
| | - Marcus M Seldin
- Department of Biological Chemistry, University of California Irvine, Irvine, CA 92697, USA
- Chao Family Comprehensive Cancer Center, University of California Irvine, Irvine, CA, 92697, USA
| | - Nicholas R Pannunzio
- Department of Biological Chemistry, University of California Irvine, Irvine, CA 92697, USA
- Chao Family Comprehensive Cancer Center, University of California Irvine, Irvine, CA, 92697, USA
- Department of Medicine, Division of Hematology/Oncology, University of California Irvine, Irvine, CA 92697, USA
| | - Selma Masri
- Department of Biological Chemistry, University of California Irvine, Irvine, CA 92697, USA
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Yang Y, Yu M, Lu Y, Gao C, Sun R, Zhang W, Nie Y, Bian X, Liu Z, Sun Q. Characterizing the rhythmic oscillations of gut bacterial and fungal communities and their rhythmic interactions in male cynomolgus monkeys. Microbiol Spectr 2024:e0072224. [PMID: 39320117 DOI: 10.1128/spectrum.00722-24] [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: 03/20/2024] [Accepted: 08/16/2024] [Indexed: 09/26/2024] Open
Abstract
The circadian oscillation of gut microbiota plays vital roles in the normal physiology and health of the host. Although the diurnal oscillation of intestinal bacteria has been extensively studied, little relevant work has been done on intestinal fungi. Besides, the rhythmic correlations between bacterial and fungal microbes are also scarcely reported. Here, we investigated the diurnal oscillations of bacterial and fungal communities in male cynomolgus monkeys by performing 16S rRNA and ITS amplicon sequencing. As for bacterial genera, we found that the relative abundance of Prevotella, norank_f_Eubacterium_coprostanoligenes_group, and Peptococcus underwent significant changes at ZT12 (19:00) and exhibited obvious rhythmic oscillations. Consequently, most of the bacterial functions varied at ZT12 and were positively correlated with the bacterial genera norank_f_Eubacterium_coprostanoligenes_group and Prevotella. Among the fungal genera, the relative abundance of Aspergillus and Talaromyces decreased at ZT18 (1:00) and showed slight rhythmic oscillations. As for the fungal function, the undefined saprotroph showed slight rhythmic oscillation and was positively correlated with the fungal genus Aspergillus. Notably, we characterized the correlations between intestinal bacteria and fungi every 6 h over the course of a day and found that the bacterial and fungal microbes interacted closely, with the most bacteria-fungi interactions occurring at ZT12. Our study contributed to a more comprehensive understanding of the diurnal oscillation patterns of bacterial and fungal microbes in male cynomolgus monkeys and uncovered their correlations during a diurnal cycle. IMPORTANCE The rhythmic oscillation of gut microbiota can impact the physiology activity and disease susceptibility of the host. Until now, most of the studies are focused on bacterial microbes, ignoring other components of gut microbes, such as fungal microbes (mycobiota). Besides, only few studies have addressed the rhythmic correlations between gut bacteria and fungi. Here, we analyzed the rhythmic oscillations of bacterial and fungal communities in male cynomolgus monkeys by performing 16S rRNA and ITS amplicon sequencing. Apart from identifying the rhythmically oscillated bacterial and fungal microbes, we conducted the correlation analysis between these two microbial communities and found that the intestinal bacteria and fungi exhibited close interactions rhythmically, with the most interactions occurring at ZT12. Thus, our study not only investigated the rhythmic oscillations of gut bacterial and fungal communities in male cynomolgus monkeys but also uncovered their rhythmic interactions.
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Affiliation(s)
- Yunpeng Yang
- Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, College of Veterinary Medicine, Yangzhou University, Yangzhou, China
- Institute of Comparative Medicine, Yangzhou University, Yangzhou, China
- Institute of Neuroscience, CAS Key Laboratory of Primate Neurobiology, State Key Laboratory of Neuroscience, CAS Center for Excellence in Brain Science and Intelligence Technology, Chinese Academy of Sciences, Shanghai, China
- Shanghai Center for Brain Science and Brain-Inspired Technology, Shanghai, China
| | - Meiling Yu
- Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, College of Veterinary Medicine, Yangzhou University, Yangzhou, China
- Institute of Comparative Medicine, Yangzhou University, Yangzhou, China
| | - Yong Lu
- Institute of Neuroscience, CAS Key Laboratory of Primate Neurobiology, State Key Laboratory of Neuroscience, CAS Center for Excellence in Brain Science and Intelligence Technology, Chinese Academy of Sciences, Shanghai, China
| | - Changshan Gao
- Institute of Neuroscience, CAS Key Laboratory of Primate Neurobiology, State Key Laboratory of Neuroscience, CAS Center for Excellence in Brain Science and Intelligence Technology, Chinese Academy of Sciences, Shanghai, China
| | - Ruxue Sun
- Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, College of Veterinary Medicine, Yangzhou University, Yangzhou, China
- Institute of Comparative Medicine, Yangzhou University, Yangzhou, China
| | - Wanying Zhang
- Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, College of Veterinary Medicine, Yangzhou University, Yangzhou, China
- Institute of Comparative Medicine, Yangzhou University, Yangzhou, China
| | - Yanhong Nie
- Institute of Neuroscience, CAS Key Laboratory of Primate Neurobiology, State Key Laboratory of Neuroscience, CAS Center for Excellence in Brain Science and Intelligence Technology, Chinese Academy of Sciences, Shanghai, China
- Shanghai Center for Brain Science and Brain-Inspired Technology, Shanghai, China
| | - Xinyan Bian
- Institute of Neuroscience, CAS Key Laboratory of Primate Neurobiology, State Key Laboratory of Neuroscience, CAS Center for Excellence in Brain Science and Intelligence Technology, Chinese Academy of Sciences, Shanghai, China
| | - Zongping Liu
- Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, College of Veterinary Medicine, Yangzhou University, Yangzhou, China
- Institute of Comparative Medicine, Yangzhou University, Yangzhou, China
| | - Qiang Sun
- Institute of Neuroscience, CAS Key Laboratory of Primate Neurobiology, State Key Laboratory of Neuroscience, CAS Center for Excellence in Brain Science and Intelligence Technology, Chinese Academy of Sciences, Shanghai, China
- Shanghai Center for Brain Science and Brain-Inspired Technology, Shanghai, China
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5
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Zhou Z, Zhang R, Zhang Y, Xu Y, Wang R, Chen S, Lv Y, Chen Y, Ren Y, Luo P, Cheng Q, Xu H, Weng S, Zuo A, Ba Y, Liu S, Han X, Liu Z. Circadian disruption in cancer hallmarks: Novel insight into the molecular mechanisms of tumorigenesis and cancer treatment. Cancer Lett 2024; 604:217273. [PMID: 39306230 DOI: 10.1016/j.canlet.2024.217273] [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: 06/27/2024] [Revised: 09/17/2024] [Accepted: 09/18/2024] [Indexed: 09/27/2024]
Abstract
Circadian rhythms are 24-h rhythms governing temporal organization of behavior and physiology generated by molecular clocks composed of autoregulatory transcription-translation feedback loops (TTFLs). Disruption of circadian rhythms leads to a spectrum of pathologies, including cancer by triggering or being involved in different hallmarks. Clock control of phenotypic plasticity involved in tumorigenesis operates in aberrant dedifferentiating to progenitor-like cell states, generation of cancer stem cells (CSCs) and epithelial-to-mesenchymal transition (EMT) events. Circadian rhythms might act as candidates for regulatory mechanisms of cellular senescent and functional determinants of senescence-associated secretory phenotype (SASP). Reciprocal control between clock and epigenetics sheds light on post-transcriptional regulation of circadian rhythms and opens avenues for novel anti-cancer strategies. Additionally, disrupting circadian rhythms influences microbiota communities that could be associated with altered homeostasis contributing to cancer development. Herein, we summarize recent advances in support of the nexus between disruptions of circadian rhythms and cancer hallmarks of new dimensions, thus providing novel perspectives on potentially effective treatment approaches for cancer management.
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Affiliation(s)
- Zhaokai Zhou
- Department of Interventional Radiology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, 450052, China; Department of Urology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, 450052, China
| | - Ruiqi Zhang
- Department of Interventional Radiology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, 450052, China
| | - Yuyuan Zhang
- Department of Interventional Radiology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, 450052, China
| | - Yudi Xu
- Department of Neurology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, 450052, China
| | - Ruizhi Wang
- Department of Urology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, 450052, China
| | - Shuang Chen
- Center of Reproductive Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, 450052, China
| | - Yingying Lv
- Department of Pediatrics, The First Affliated Hospital of Zhengzhou University, Zhengzhou, Henan, 450052, China; Department of Pediatrics, The Third Affliated Hospital of Zhengzhou University, Zhengzhou, Henan, 450052, China
| | - Yifeng Chen
- The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, 450052, China
| | - Yuqing Ren
- Department of Respiratory and Critical Care Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, 450052, China
| | - Peng Luo
- The Department of Oncology, Zhujiang Hospital, Southern Medical University, Guangzhou, China
| | - Quan Cheng
- Department of Neurosurgery, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Hui Xu
- Department of Interventional Radiology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, 450052, China
| | - Siyuan Weng
- Department of Interventional Radiology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, 450052, China
| | - Anning Zuo
- Department of Interventional Radiology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, 450052, China
| | - Yuhao Ba
- Department of Interventional Radiology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, 450052, China
| | - Shutong Liu
- Department of Interventional Radiology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, 450052, China
| | - Xinwei Han
- Department of Interventional Radiology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, 450052, China; Interventional Institute of Zhengzhou University, Zhengzhou, Henan, 450052, China; Interventional Treatment and Clinical Research Center of Henan Province, Zhengzhou, Henan, 450052, China.
| | - Zaoqu Liu
- Department of Interventional Radiology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, 450052, China; Interventional Institute of Zhengzhou University, Zhengzhou, Henan, 450052, China; Interventional Treatment and Clinical Research Center of Henan Province, Zhengzhou, Henan, 450052, China; Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100730, China.
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6
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la Fleur SE, Blancas-Velazquez AS, Stenvers DJ, Kalsbeek A. Circadian influences on feeding behavior. Neuropharmacology 2024; 256:110007. [PMID: 38795953 DOI: 10.1016/j.neuropharm.2024.110007] [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: 03/07/2024] [Revised: 05/15/2024] [Accepted: 05/19/2024] [Indexed: 05/28/2024]
Abstract
Feeding, like many other biological functions, displays a daily rhythm. This daily rhythmicity is controlled by the circadian timing system of which the central master clock is located in the hypothalamic suprachiasmatic nucleus (SCN). Other brain areas and tissues throughout the body also display rhythmic functions and contain the molecular clock mechanism known as peripheral oscillators. To generate the daily feeding rhythm, the SCN signals to different hypothalamic areas with the lateral hypothalamus, paraventricular nucleus and arcuate nucleus being the most prominent. With respect to the rewarding aspects of feeding behavior, the dopaminergic system is also under circadian influence. However the SCN projects only indirectly to the different reward regions, such as the ventral tegmental area where dopamine neurons are located. In addition, high palatable, high caloric diets have the potential to disturb the normal daily rhythms of physiology and have been shown to alter for example meal patterns. Around a meal several hormones and peptides are released that are also under circadian influence. For example, the release of postprandial insulin and glucagon-like peptide following a meal depend on the time of the day. Finally, we review the effect of deletion of different clock genes on feeding behavior. The most prominent effect on feeding behavior has been observed in Clock mutants, whereas deletion of Bmal1 and Per1/2 only disrupts the day-night rhythm, but not overall intake. Data presented here focus on the rodent literature as only limited data are available on the mechanisms underlying daily rhythms in human eating behavior.
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Affiliation(s)
- Susanne E la Fleur
- Amsterdam UMC, University of Amsterdam, Laboratory of Endocrinology, Department of Laboratory Medicine, Meibergdreef 9, Amsterdam, the Netherlands; Amsterdam Neuroscience, Cellular and Molecular Mechanisms, Amsterdam, the Netherlands; Amsterdam Gastroenterology Endocrinology Metabolism, Endocrinology, Metabolism and Nutrition, Amsterdam, the Netherlands.
| | - Aurea S Blancas-Velazquez
- Department of Neuroscience, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Dirk Jan Stenvers
- Amsterdam Gastroenterology Endocrinology Metabolism, Endocrinology, Metabolism and Nutrition, Amsterdam, the Netherlands; Amsterdam UMC, University of Amsterdam, Department of Endocrinology and Metabolism, Meibergdreef 9, Amsterdam, the Netherlands
| | - Andries Kalsbeek
- Amsterdam UMC, University of Amsterdam, Laboratory of Endocrinology, Department of Laboratory Medicine, Meibergdreef 9, Amsterdam, the Netherlands; Amsterdam Neuroscience, Cellular and Molecular Mechanisms, Amsterdam, the Netherlands; Amsterdam Gastroenterology Endocrinology Metabolism, Endocrinology, Metabolism and Nutrition, Amsterdam, the Netherlands; Amsterdam UMC, University of Amsterdam, Department of Endocrinology and Metabolism, Meibergdreef 9, Amsterdam, the Netherlands; Netherlands Institute for Neuroscience (NIN), an Institute of the Royal Netherlands Academy of Arts and Sciences (KNAW), Meibergdreef 47, 1105 BA, Amsterdam, the Netherlands
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7
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Yin Z, Fu L, Wang Y, Tai S. Impact of gut microbiota on cardiac aging. Arch Gerontol Geriatr 2024; 128:105639. [PMID: 39312851 DOI: 10.1016/j.archger.2024.105639] [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: 08/02/2024] [Revised: 09/05/2024] [Accepted: 09/12/2024] [Indexed: 09/25/2024]
Abstract
Recent research has suggested imbalances in gut microbiota composition as contributors to cardiac aging. An individual's physical condition, along with lifestyle-associated factors, including diet and medication, are significant determinants of gut microbiota composition. This review discusses evidence of bidirectional associations between aging and gut microbiota, identifying gut microbiota-derived metabolites as potential regulators of cardiac aging. It summarizes the effects of gut microbiota on cardiac aging diseases, including cardiac hypertrophy and fibrosis, heart failure, and atrial fibrillation. Furthermore, this review discusses the potential anti-aging effects of modifying gut microbiota composition through dietary and pharmacological interventions. Lastly, it underscores critical knowledge gaps and outlines future research directions. Given the current limited understanding of the direct relationship between gut microbiota and cardiac aging, there is an urgent need for preclinical and clinical investigations into the mechanistic interactions between gut microbiota and cardiac aging. Such endeavors hold promise for shedding light on the pathophysiology of cardiac aging and uncovering new therapeutic targets for cardiac aging diseases.
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Affiliation(s)
- Zhiyi Yin
- Department of Blood Transfusion, The Second Xiangya Hospital of Central South University, No. 139, Middle Renmin Road, Changsha, Hunan 410011, China
| | - Liyao Fu
- Hunan Key Laboratory of Cardiometabolic Medicine, Department of Cardiology, The Second Xiangya Hospital of Central South University, No. 139, Middle Renmin Road, Changsha, Hunan 410011, China
| | - Yongjun Wang
- Department of Blood Transfusion, The Second Xiangya Hospital of Central South University, No. 139, Middle Renmin Road, Changsha, Hunan 410011, China.
| | - Shi Tai
- Hunan Key Laboratory of Cardiometabolic Medicine, Department of Cardiology, The Second Xiangya Hospital of Central South University, No. 139, Middle Renmin Road, Changsha, Hunan 410011, China.
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8
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Etlin S, Rose J, Bielski L, Walter C, Kleinman AS, Mason CE. The human microbiome in space: parallels between Earth-based dysbiosis, implications for long-duration spaceflight, and possible mitigation strategies. Clin Microbiol Rev 2024; 37:e0016322. [PMID: 39136453 PMCID: PMC11391694 DOI: 10.1128/cmr.00163-22] [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] [Indexed: 09/13/2024] Open
Abstract
SUMMARYThe human microbiota encompasses the diverse communities of microorganisms that reside in, on, and around various parts of the human body, such as the skin, nasal passages, and gastrointestinal tract. Although research is ongoing, it is well established that the microbiota exert a substantial influence on the body through the production and modification of metabolites and small molecules. Disruptions in the composition of the microbiota-dysbiosis-have also been linked to various negative health outcomes. As humans embark upon longer-duration space missions, it is important to understand how the conditions of space travel impact the microbiota and, consequently, astronaut health. This article will first characterize the main taxa of the human gut microbiota and their associated metabolites, before discussing potential dysbiosis and negative health consequences. It will also detail the microbial changes observed in astronauts during spaceflight, focusing on gut microbiota composition and pathogenic virulence and survival. Analysis will then turn to how astronaut health may be protected from adverse microbial changes via diet, exercise, and antibiotics before concluding with a discussion of the microbiota of spacecraft and microbial culturing methods in space. The implications of this review are critical, particularly with NASA's ongoing implementation of the Moon to Mars Architecture, which will include weeks or months of living in space and new habitats.
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Affiliation(s)
- Sofia Etlin
- Department of Physiology and Biophysics, Weill Cornell Medicine, New York, New York, USA
- Department of Biology, Cornell University, Ithaca, New York, USA
- BioAstra Inc., New York, New York, USA
| | - Julianna Rose
- Department of Physiology and Biophysics, Weill Cornell Medicine, New York, New York, USA
- Department of Biology, Cornell University, Ithaca, New York, USA
- BioAstra Inc., New York, New York, USA
| | - Luca Bielski
- Department of Physiology and Biophysics, Weill Cornell Medicine, New York, New York, USA
- Department of Biology, Cornell University, Ithaca, New York, USA
| | - Claire Walter
- Department of Physiology and Biophysics, Weill Cornell Medicine, New York, New York, USA
- Department of Biology, Cornell University, Ithaca, New York, USA
- BioAstra Inc., New York, New York, USA
| | - Ashley S Kleinman
- Department of Physiology and Biophysics, Weill Cornell Medicine, New York, New York, USA
- The HRH Prince Alwaleed Bin Talal Bin Abdulaziz Alsaud Institute for Computational Biomedicine, Weill Cornell Medicine, New York, New York, USA
| | - Christopher E Mason
- Department of Physiology and Biophysics, Weill Cornell Medicine, New York, New York, USA
- BioAstra Inc., New York, New York, USA
- The HRH Prince Alwaleed Bin Talal Bin Abdulaziz Alsaud Institute for Computational Biomedicine, Weill Cornell Medicine, New York, New York, USA
- The Feil Family Brain and Mind Research Institute, Weill Cornell Medicine, New York, New York, USA
- Tri-Institutional Biology and Medicine program, Weill Cornell Medicine, New York, New York, USA
- WorldQuant Initiative for Quantitative Prediction, Weill Cornell Medicine, New York, New York, USA
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9
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Ma F, Li Z, Liu H, Chen S, Zheng S, Zhu J, Shi H, Ye H, Qiu Z, Gao L, Han B, Yang Q, Wang X, Zhang Y, Cheng L, Fan H, Lv S, Zhao X, Zhou H, Li J, Hong M. Dietary-timing-induced gut microbiota diurnal oscillations modulate inflammatory rhythms in rheumatoid arthritis. Cell Metab 2024:S1550-4131(24)00334-6. [PMID: 39260371 DOI: 10.1016/j.cmet.2024.08.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/07/2024] [Revised: 06/10/2024] [Accepted: 08/12/2024] [Indexed: 09/13/2024]
Abstract
Rheumatoid arthritis (RA) is a chronic autoimmune condition characterized by inflammatory activity with distinct rhythmic fluctuations. However, the precise mechanisms governing these inflammatory rhythms remain elusive. Here, we explore the interaction between dietary patterns, gut microbiota diurnal oscillations, and the rhythmicity of RA in both collagen-induced arthritis (CIA) mice and patients with RA and highlight the significance of dietary timing in modulating RA inflammatory rhythms linked to gut microbiota. Specifically, we discovered that Parabacteroides distasonis (P. distasonis) uses β-glucosidase (β-GC) to release glycitein (GLY) from the diet in response to daily nutritional cues, influencing RA inflammatory rhythms dependent on the sirtuin 5-nuclear factor-κB (SIRT5-NF-κB) axis. Notably, we validated the daily fluctuations of P. distasonis-β-GC-GLY in patients with RA through continuous sampling across day-night cycles. These findings underscore the crucial role of dietary timing in RA rhythmicity and propose potential clinical implications for novel therapeutic strategies to alleviate arthritis.
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Affiliation(s)
- Fopei Ma
- Department of Rheumatology and Immunology, Nanfang Hospital, Southern Medical University, Guangzhou 510000, China; Department of Traditional Chinese Internal Medicine, School of Traditional Chinese Medicine, Southern Medical University, Guangzhou 510000, China
| | - Zhuang Li
- Microbiome Medicine Center, Department of Laboratory Medicine, Zhujiang Hospital, Southern Medical University, Guangzhou 510000, China.
| | - Haihua Liu
- Department of Obstetrics & Gynecology, Nanfang Hospital, Southern Medical University, Guangzhou 510000, China
| | - Shixian Chen
- Department of Rheumatology and Immunology, Nanfang Hospital, Southern Medical University, Guangzhou 510000, China
| | - Songyuan Zheng
- Department of Rheumatology and Immunology, Nanfang Hospital, Southern Medical University, Guangzhou 510000, China
| | - Junqing Zhu
- Department of Rheumatology and Immunology, Nanfang Hospital, Southern Medical University, Guangzhou 510000, China
| | - Hao Shi
- Department of Traditional Chinese Internal Medicine, School of Traditional Chinese Medicine, Southern Medical University, Guangzhou 510000, China
| | - Haixin Ye
- Department of Traditional Chinese Internal Medicine, School of Traditional Chinese Medicine, Southern Medical University, Guangzhou 510000, China
| | - Zhantu Qiu
- Department of Traditional Chinese Internal Medicine, School of Traditional Chinese Medicine, Southern Medical University, Guangzhou 510000, China
| | - Lei Gao
- Department of Traditional Chinese Internal Medicine, School of Traditional Chinese Medicine, Southern Medical University, Guangzhou 510000, China
| | - Bingqi Han
- Department of Traditional Chinese Internal Medicine, School of Traditional Chinese Medicine, Southern Medical University, Guangzhou 510000, China
| | - Qian Yang
- Department of Rheumatology and Immunology, Nanfang Hospital, Southern Medical University, Guangzhou 510000, China
| | - Xing Wang
- Department of Rheumatology and Immunology, Nanfang Hospital, Southern Medical University, Guangzhou 510000, China
| | - Yang Zhang
- Department of Orthopaedics, Nanfang Hospital, Southern Medical University, Guangzhou 510000, China
| | - Lifang Cheng
- Department of Rheumatology and Immunology, Nanfang Hospital, Southern Medical University, Guangzhou 510000, China
| | - Huijie Fan
- Department of Traditional Chinese Medicine, People's Hospital of Yangjiang, Yangjiang 529500, China
| | - Shuaijun Lv
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou 510515, China
| | - Xiaoshan Zhao
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou 510515, China
| | - Hongwei Zhou
- Microbiome Medicine Center, Department of Laboratory Medicine, Zhujiang Hospital, Southern Medical University, Guangzhou 510000, China.
| | - Juan Li
- Department of Rheumatology and Immunology, Nanfang Hospital, Southern Medical University, Guangzhou 510000, China; Department of Traditional Chinese Internal Medicine, School of Traditional Chinese Medicine, Southern Medical University, Guangzhou 510000, China.
| | - Mukeng Hong
- Department of Rheumatology and Immunology, Nanfang Hospital, Southern Medical University, Guangzhou 510000, China.
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10
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Barone M, Martucci M, Sciara G, Conte M, Medina LSJ, Iattoni L, Miele F, Fonti C, Franceschi C, Brigidi P, Salvioli S, Provini F, Turroni S, Santoro A. Towards a personalized prediction, prevention and therapy of insomnia: gut microbiota profile can discriminate between paradoxical and objective insomnia in post-menopausal women. EPMA J 2024; 15:471-489. [PMID: 39239112 PMCID: PMC11371979 DOI: 10.1007/s13167-024-00369-1] [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: 02/26/2024] [Accepted: 05/23/2024] [Indexed: 09/07/2024]
Abstract
Background Insomnia persists as a prevalent sleep disorder among middle-aged and older adults, significantly impacting quality of life and increasing susceptibility to age-related diseases. It is classified into objective insomnia (O-IN) and paradoxical insomnia (P-IN), where subjective and objective sleep assessments diverge. Current treatment regimens for both patient groups yield unsatisfactory outcomes. Consequently, investigating the neurophysiological distinctions between P-IN and O-IN is imperative for devising novel precision interventions aligned with primary prediction, targeted prevention, and personalized medicine (PPPM) principles.Working hypothesis and methodology.Given the emerging influence of gut microbiota (GM) on sleep physiology via the gut-brain axis, our study focused on characterizing the GM profiles of a well-characterized cohort of 96 Italian postmenopausal women, comprising 54 insomniac patients (18 O-IN and 36 P-IN) and 42 controls, through 16S rRNA amplicon sequencing. Associations were explored with general and clinical history, sleep patterns, stress, hematobiochemical parameters, and nutritional patterns. Results Distinctive GM profiles were unveiled between O-IN and P-IN patients. O-IN patients exhibited prominence in the Coriobacteriaceae family, including Collinsella and Adlercreutzia, along with Erysipelotrichaceae, Clostridium, and Pediococcus. Conversely, P-IN patients were mainly discriminated by Bacteroides, Staphylococcus, Carnobacterium, Pseudomonas, and respective families, along with Odoribacter. Conclusions These findings provide valuable insights into the microbiota-mediated mechanism of O-IN versus P-IN onset. GM profiling may thus serve as a tailored stratification criterion, enabling the identification of women at risk for specific insomnia subtypes and facilitating the development of integrated microbiota-based predictive diagnostics, targeted prevention, and personalized therapies, ultimately enhancing clinical effectiveness. Supplementary Information The online version contains supplementary material available at 10.1007/s13167-024-00369-1.
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Affiliation(s)
- Monica Barone
- Department of Medical and Surgical Sciences, University of Bologna, Bologna, Italy
- Department of Pharmacy and Biotechnology, University of Bologna, Bologna, Italy
- IRCCS Istituto Delle Scienze Neurologiche Di Bologna, Bologna, Italy
- Department of Biomedical and Neuromotor Sciences, University of Bologna, Bologna, Italy
- Institute of Information Technologies, Mathematics and Mechanics, and Institute of Biogerontology, Lobachevsky State University, Nizhny Novgorod, Russia
- IRCCS Azienda Ospedaliero-Universitaria Di Bologna, Bologna, Italy
- Interdepartmental Centre "Alma Mater Research Institute On Global Challenges and Climate Change (Alma Climate)", University of Bologna, Bologna, Italy
| | - Morena Martucci
- Department of Medical and Surgical Sciences, University of Bologna, Bologna, Italy
- Department of Pharmacy and Biotechnology, University of Bologna, Bologna, Italy
- IRCCS Istituto Delle Scienze Neurologiche Di Bologna, Bologna, Italy
- Department of Biomedical and Neuromotor Sciences, University of Bologna, Bologna, Italy
- Institute of Information Technologies, Mathematics and Mechanics, and Institute of Biogerontology, Lobachevsky State University, Nizhny Novgorod, Russia
- IRCCS Azienda Ospedaliero-Universitaria Di Bologna, Bologna, Italy
- Interdepartmental Centre "Alma Mater Research Institute On Global Challenges and Climate Change (Alma Climate)", University of Bologna, Bologna, Italy
| | - Giuseppe Sciara
- Department of Pharmacy and Biotechnology, University of Bologna, Bologna, Italy
| | - Maria Conte
- Department of Medical and Surgical Sciences, University of Bologna, Bologna, Italy
| | | | - Lorenzo Iattoni
- Department of Medical and Surgical Sciences, University of Bologna, Bologna, Italy
| | - Filomena Miele
- IRCCS Istituto Delle Scienze Neurologiche Di Bologna, Bologna, Italy
- Department of Biomedical and Neuromotor Sciences, University of Bologna, Bologna, Italy
| | - Cristina Fonti
- IRCCS Istituto Delle Scienze Neurologiche Di Bologna, Bologna, Italy
- Department of Biomedical and Neuromotor Sciences, University of Bologna, Bologna, Italy
| | - Claudio Franceschi
- Department of Medical and Surgical Sciences, University of Bologna, Bologna, Italy
- Institute of Information Technologies, Mathematics and Mechanics, and Institute of Biogerontology, Lobachevsky State University, Nizhny Novgorod, Russia
| | - Patrizia Brigidi
- Department of Medical and Surgical Sciences, University of Bologna, Bologna, Italy
| | - Stefano Salvioli
- Department of Medical and Surgical Sciences, University of Bologna, Bologna, Italy
- IRCCS Azienda Ospedaliero-Universitaria Di Bologna, Bologna, Italy
| | - Federica Provini
- IRCCS Istituto Delle Scienze Neurologiche Di Bologna, Bologna, Italy
- Department of Biomedical and Neuromotor Sciences, University of Bologna, Bologna, Italy
| | - Silvia Turroni
- Department of Pharmacy and Biotechnology, University of Bologna, Bologna, Italy
| | - Aurelia Santoro
- Department of Medical and Surgical Sciences, University of Bologna, Bologna, Italy
- Interdepartmental Centre "Alma Mater Research Institute On Global Challenges and Climate Change (Alma Climate)", University of Bologna, Bologna, Italy
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11
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Xie X, Zhang M, Luo H. Regulation of metabolism by circadian rhythms: Support from time-restricted eating, intestinal microbiota & omics analysis. Life Sci 2024; 351:122814. [PMID: 38857654 DOI: 10.1016/j.lfs.2024.122814] [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: 02/18/2024] [Revised: 05/05/2024] [Accepted: 06/04/2024] [Indexed: 06/12/2024]
Abstract
Circadian oscillatory system plays a key role in coordinating the metabolism of most organisms. Perturbation of genetic effects and misalignment of circadian rhythms result in circadian dysfunction and signs of metabolic disorders. The eating-fasting cycle can act on the peripheral circadian clocks, bypassing the photoperiod. Therefore, time-restricted eating (TRE) can improve metabolic health by adjusting eating rhythms, a process achieved through reprogramming of circadian genomes and metabolic programs at different tissue levels or remodeling of the intestinal microbiota, with omics technology allowing visualization of the regulatory processes. Here, we review recent advances in circadian regulation of metabolism, focus on the potential application of TRE for rescuing circadian dysfunction and metabolic disorders with the contribution of intestinal microbiota in between, and summarize the significance of omics technology.
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Affiliation(s)
- Ximei Xie
- State Key Laboratory of Animal Nutrition and Feeding, College of Animal Science and Technology, China Agricultural University, PR China
| | - Mengjie Zhang
- State Key Laboratory of Animal Nutrition and Feeding, College of Animal Science and Technology, China Agricultural University, PR China
| | - Hailing Luo
- State Key Laboratory of Animal Nutrition and Feeding, College of Animal Science and Technology, China Agricultural University, PR China.
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12
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Mostafavi Abdolmaleky H, Zhou JR. Gut Microbiota Dysbiosis, Oxidative Stress, Inflammation, and Epigenetic Alterations in Metabolic Diseases. Antioxidants (Basel) 2024; 13:985. [PMID: 39199231 PMCID: PMC11351922 DOI: 10.3390/antiox13080985] [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: 07/08/2024] [Revised: 08/05/2024] [Accepted: 08/11/2024] [Indexed: 09/01/2024] Open
Abstract
Gut dysbiosis, resulting from an imbalance in the gut microbiome, can induce excessive production of reactive oxygen species (ROS), leading to inflammation, DNA damage, activation of the immune system, and epigenetic alterations of critical genes involved in the metabolic pathways. Gut dysbiosis-induced inflammation can also disrupt the gut barrier integrity and increase intestinal permeability, which allows gut-derived toxic products to enter the liver and systemic circulation, further triggering oxidative stress, inflammation, and epigenetic alterations associated with metabolic diseases. However, specific gut-derived metabolites, such as short-chain fatty acids (SCFAs), lactate, and vitamins, can modulate oxidative stress and the immune system through epigenetic mechanisms, thereby improving metabolic function. Gut microbiota and diet-induced metabolic diseases, such as obesity, insulin resistance, dyslipidemia, and hypertension, can transfer to the next generation, involving epigenetic mechanisms. In this review, we will introduce the key epigenetic alterations that, along with gut dysbiosis and ROS, are engaged in developing metabolic diseases. Finally, we will discuss potential therapeutic interventions such as dietary modifications, prebiotics, probiotics, postbiotics, and fecal microbiota transplantation, which may reduce oxidative stress and inflammation associated with metabolic syndrome by altering gut microbiota and epigenetic alterations. In summary, this review highlights the crucial role of gut microbiota dysbiosis, oxidative stress, and inflammation in the pathogenesis of metabolic diseases, with a particular focus on epigenetic alterations (including histone modifications, DNA methylomics, and RNA interference) and potential interventions that may prevent or improve metabolic diseases.
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Affiliation(s)
- Hamid Mostafavi Abdolmaleky
- Nutrition/Metabolism Laboratory, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02215, USA
- Department of Medicine (Biomedical Genetics), Boston University Chobanian & Avedisian School of Medicine, Boston, MA 02118, USA
| | - Jin-Rong Zhou
- Nutrition/Metabolism Laboratory, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02215, USA
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13
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Baars DP, Fondevila MF, Meijnikman AS, Nieuwdorp M. The central role of the gut microbiota in the pathophysiology and management of type 2 diabetes. Cell Host Microbe 2024; 32:1280-1300. [PMID: 39146799 DOI: 10.1016/j.chom.2024.07.017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2024] [Revised: 07/15/2024] [Accepted: 07/18/2024] [Indexed: 08/17/2024]
Abstract
The inhabitants of our intestines, collectively called the gut microbiome, comprise fungi, viruses, and bacterial strains. These microorganisms are involved in the fermentation of dietary compounds and the regulation of our adaptive and innate immune systems. Less known is the reciprocal interaction between the gut microbiota and type 2 diabetes mellitus (T2DM), as well as their role in modifying therapies to reduce associated morbidity and mortality. In this review, we aim to discuss the existing literature on gut microbial strains and their diet-derived metabolites involved in T2DM. We also explore the potential diagnostics and therapeutic avenues the gut microbiota presents for targeted T2DM management. Personalized treatment plans, driven by diet and medication based on the patient's microbiome and clinical markers, could optimize therapy.
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Affiliation(s)
- Daniel P Baars
- Departments of Internal and Experimental Vascular Medicine, Amsterdam University Medical Centers, Location AMC, Amsterdam, the Netherlands
| | - Marcos F Fondevila
- Department of Medicine, University of California, San Diego, La Jolla, CA, USA
| | - Abraham S Meijnikman
- Departments of Internal and Experimental Vascular Medicine, Amsterdam University Medical Centers, Location AMC, Amsterdam, the Netherlands
| | - Max Nieuwdorp
- Departments of Internal and Experimental Vascular Medicine, Amsterdam University Medical Centers, Location AMC, Amsterdam, the Netherlands; Diabetes Center Amsterdam, Amsterdam, the Netherlands.
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14
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Wang M, Vladimirsky A, Giometto A. Overcoming toxicity: why boom-and-bust cycles are good for non-antagonistic microbes. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.08.09.607393. [PMID: 39211125 PMCID: PMC11361132 DOI: 10.1101/2024.08.09.607393] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/04/2024]
Abstract
Antagonistic interactions are critical determinants of microbial community stability and composition, offering host benefits such as pathogen protection and providing avenues for antimicrobial control. While the ability to eliminate competitors confers an advantage to antagonistic microbes, it often incurs a fitness cost. Consequently, many microbes only produce toxins or engage in antagonistic behavior in response to specific cues like population density or environmental stress. In laboratory settings, antagonistic microbes typically dominate over sensitive ones, raising the question of why both antagonistic and non-antagonistic microbes are found in natural environments and host microbiomes. Here, using both theoretical models and experiments with killer strains of Saccharomyces cerevisiae , we show that boom-and-bust dynamics caused by temporal environmental fluctuations can favor non-antagonistic microbes that do not incur the growth rate cost of toxin production. Additionally, using control theory, we derive bounds on the competitive performance and identify optimal regulatory toxin-production strategies in various boom-and-bust environments where population dilutions occur either deterministically or stochastically over time. Our findings offer a new perspective on how both antagonistic and non-antagonistic microbes can thrive under varying environmental conditions.
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15
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Ribas-Latre A, Fernández-Veledo S, Vendrell J. Time-restricted eating, the clock ticking behind the scenes. Front Pharmacol 2024; 15:1428601. [PMID: 39175542 PMCID: PMC11338815 DOI: 10.3389/fphar.2024.1428601] [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: 05/06/2024] [Accepted: 07/22/2024] [Indexed: 08/24/2024] Open
Abstract
Introduction Maintaining metabolic balance relies on accumulating nutrients during feeding periods and their subsequent release during fasting. In obesity and metabolic disorders, strategies aimed at reducing food intake while simulating fasting have garnered significant attention for weight loss. Caloric restriction (CR) diets and intermittent fasting (IF) interventions have emerged as effective approaches to improving cardiometabolic health. Although the comparative metabolic benefits of CR versus IF remain inconclusive, this review focuses on various forms of IF, particularly time-restricted eating (TRE). Methods This study employs a narrative review methodology, systematically collecting, synthesizing, and interpreting the existing literature on TRE and its metabolic effects. A comprehensive and unbiased search of relevant databases was conducted to identify pertinent studies, including pre-clinical animal studies and clinical trials in humans. Keywords such as "Obesity," "Intermittent Fasting," "Time-restricted eating," "Chronotype," and "Circadian rhythms" guided the search. The selected studies were critically appraised based on predefined inclusion and exclusion criteria, allowing for a thorough exploration and synthesis of current knowledge. Results This article synthesizes pre-clinical and clinical studies on TRE and its metabolic effects, providing a comprehensive overview of the current knowledge and identifying gaps for future research. It explores the metabolic outcomes of recent clinical trials employing different TRE protocols in individuals with overweight, obesity, or type II diabetes, emphasizing the significance of individual chronotype, which is often overlooked in practice. In contrast to human studies, animal models underscore the role of the circadian clock in mitigating metabolic disturbances induced by obesity through time-restricted feeding (TRF) interventions. Consequently, we examine pre-clinical evidence supporting the interplay between the circadian clock and TRF interventions. Additionally, we provide insights into the role of the microbiota, which TRE can modulate and its influence on circadian rhythms.
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Affiliation(s)
- Aleix Ribas-Latre
- Institut d’Investigació Sanitària Pere Virgili (IISPV), Hospital Universitari de Tarragona, Tarragona, Spain
- CIBER de Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM)-Instituto de Salud Carlos III (ISCIII), Madrid, Spain
- Departament de Medicina i Cirugia, Universitat Rovira i Virgili (URV), Tarragona, Spain
| | - Sonia Fernández-Veledo
- Institut d’Investigació Sanitària Pere Virgili (IISPV), Hospital Universitari de Tarragona, Tarragona, Spain
- CIBER de Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM)-Instituto de Salud Carlos III (ISCIII), Madrid, Spain
- Departament de Medicina i Cirugia, Universitat Rovira i Virgili (URV), Tarragona, Spain
| | - Joan Vendrell
- Institut d’Investigació Sanitària Pere Virgili (IISPV), Hospital Universitari de Tarragona, Tarragona, Spain
- CIBER de Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM)-Instituto de Salud Carlos III (ISCIII), Madrid, Spain
- Departament de Medicina i Cirugia, Universitat Rovira i Virgili (URV), Tarragona, Spain
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16
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Soliz-Rueda JR, Cuesta-Marti C, O'Mahony SM, Clarke G, Schellekens H, Muguerza B. Gut microbiota and eating behaviour in circadian syndrome. Trends Endocrinol Metab 2024:S1043-2760(24)00189-9. [PMID: 39095231 DOI: 10.1016/j.tem.2024.07.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/20/2024] [Revised: 07/04/2024] [Accepted: 07/12/2024] [Indexed: 08/04/2024]
Abstract
Eating behaviour and circadian rhythms are closely related. The type, timing, and quantity of food consumed, and host circadian rhythms, directly influence the intestinal microbiota, which in turn impacts host circadian rhythms and regulates food intake beyond homeostatic eating. This Opinion discusses the impact of food intake and circadian disruptions induced by an obesogenic environment on gut-brain axis signalling. We also explore potential mechanisms underlying the effects of altered gut microbiota on food intake behaviour and circadian rhythmicity. Understanding the crosstalk between gut microbiota, circadian rhythms, and unhealthy eating behaviour is crucial to addressing the obesity epidemic, which remains one of the biggest societal challenges of our time.
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Affiliation(s)
- Jorge R Soliz-Rueda
- Nutrigenomics Research Group, Department of Biochemistry and Biotechnology, Universitat Rovira I Virgili, Reus, Spain; Institut d'Investigació Sanitària Pere Virgili (IISPV), Reus, Spain; Center of Environmental, Food and Toxicological Technology (TecnATox), Tarragona, Spain
| | - Cristina Cuesta-Marti
- Department of Anatomy and Neuroscience, University College Cork, Cork, Ireland; APC Microbiome Ireland, Cork, Ireland
| | - Siobhain M O'Mahony
- Department of Anatomy and Neuroscience, University College Cork, Cork, Ireland; APC Microbiome Ireland, Cork, Ireland
| | - Gerard Clarke
- APC Microbiome Ireland, Cork, Ireland; Department of Psychiatry and Neurobehavioural Science, University College Cork, Cork, Ireland
| | - Harriët Schellekens
- Department of Anatomy and Neuroscience, University College Cork, Cork, Ireland; APC Microbiome Ireland, Cork, Ireland.
| | - Begoña Muguerza
- Nutrigenomics Research Group, Department of Biochemistry and Biotechnology, Universitat Rovira I Virgili, Reus, Spain; Institut d'Investigació Sanitària Pere Virgili (IISPV), Reus, Spain; Center of Environmental, Food and Toxicological Technology (TecnATox), Tarragona, Spain
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17
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Xu J, Xu H, Yang F, Xie Y, Cai F, Mao S, Lu M, Zhuang H, Hua Z. Different depths of food restriction and high-fat diet refeeding in mice impact host obesity and metabolic phenotypes with correlative changes in the gut microbiota. MedComm (Beijing) 2024; 5:e641. [PMID: 39021516 PMCID: PMC11253304 DOI: 10.1002/mco2.641] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2023] [Revised: 06/03/2024] [Accepted: 06/04/2024] [Indexed: 07/20/2024] Open
Abstract
Overweight and obesity affect almost 2 billion adults worldwide, and food restriction (FR) is commonly used to reduce body fat. Whether refeeding (Re) after FR at different ages and to different degrees leads to overweight and its possible mechanisms are uncertain. In this study, adult and young mice were both restricted to 15% and 40% of their casual food intake, and then were fed 60% high-fat chow (FR15%-Re, FR40%-Re), whereas the control groups(CON) consumed high-fat or normal food throughout, respectively. The results of the study suggest that mild FR-heavy feeding may lead to more significant abnormal fat accumulation, liver damage, and increased recruitment of intestinal inflammatory factors and immune cells in mice of different ages and involves multiple types of alterations in the gut microbiota. Further fecal transplantation experiments as well as serum and liver enzyme-linked immunosorbent assay experiments preliminarily suggest that the link between lipid metabolism and inflammatory responses and the gut microbiota may be related to the regulation of the gut and live by Lipopolysaccharides(LPS) and Peroxisome Proliferator-Activated Receptor-Alpha(PPAR-α). In addition, our study may also serve as a reference for studying obesity prevention and treatment programs at different ages.
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Affiliation(s)
- Jiaqi Xu
- The State Key Laboratory of Pharmaceutical Biotechnology and Department of Neurology of Nanjing Drum Tower HospitalSchool of Life Sciences and The Affiliated Hospital of Nanjing University Medical School, Nanjing UniversityNanjingChina
| | - Huangru Xu
- The State Key Laboratory of Pharmaceutical Biotechnology and Department of Neurology of Nanjing Drum Tower HospitalSchool of Life Sciences and The Affiliated Hospital of Nanjing University Medical School, Nanjing UniversityNanjingChina
| | - Feiyan Yang
- The State Key Laboratory of Pharmaceutical Biotechnology and Department of Neurology of Nanjing Drum Tower HospitalSchool of Life Sciences and The Affiliated Hospital of Nanjing University Medical School, Nanjing UniversityNanjingChina
| | - Yawen Xie
- The State Key Laboratory of Pharmaceutical Biotechnology and Department of Neurology of Nanjing Drum Tower HospitalSchool of Life Sciences and The Affiliated Hospital of Nanjing University Medical School, Nanjing UniversityNanjingChina
| | - Fangfang Cai
- The State Key Laboratory of Pharmaceutical Biotechnology and Department of Neurology of Nanjing Drum Tower HospitalSchool of Life Sciences and The Affiliated Hospital of Nanjing University Medical School, Nanjing UniversityNanjingChina
| | - Siyu Mao
- The State Key Laboratory of Pharmaceutical Biotechnology and Department of Neurology of Nanjing Drum Tower HospitalSchool of Life Sciences and The Affiliated Hospital of Nanjing University Medical School, Nanjing UniversityNanjingChina
| | - Min Lu
- The State Key Laboratory of Pharmaceutical Biotechnology and Department of Neurology of Nanjing Drum Tower HospitalSchool of Life Sciences and The Affiliated Hospital of Nanjing University Medical School, Nanjing UniversityNanjingChina
| | - Hongqin Zhuang
- The State Key Laboratory of Pharmaceutical Biotechnology and Department of Neurology of Nanjing Drum Tower HospitalSchool of Life Sciences and The Affiliated Hospital of Nanjing University Medical School, Nanjing UniversityNanjingChina
| | - Zi‐Chun Hua
- The State Key Laboratory of Pharmaceutical Biotechnology and Department of Neurology of Nanjing Drum Tower HospitalSchool of Life Sciences and The Affiliated Hospital of Nanjing University Medical School, Nanjing UniversityNanjingChina
- Faculty of Pharmaceutical SciencesXinxiang Medical UniversityXinxiangChina
- Changzhou High‐Tech Research Institute of Nanjing University and Jiangsu TargetPharma Laboratories Inc.ChangzhouChina
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18
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Altomare A, Giovanetti M, Baldaro F, Ciccozzi M, Cicala M, Guarino MPL. The Prevention of Viral Infections: The Role of Intestinal Microbiota and Nutritional Factors. Nutrients 2024; 16:2445. [PMID: 39125326 PMCID: PMC11314041 DOI: 10.3390/nu16152445] [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: 07/04/2024] [Revised: 07/23/2024] [Accepted: 07/26/2024] [Indexed: 08/12/2024] Open
Abstract
Viral infections pose significant global challenges due to their rapid transmissibility. Therefore, preventing and treating these infections promptly is crucial to curbing their spread. This review focuses on the vital link between nutrition and viral infections, underscoring how dietary factors influence immune system modulation. Malnutrition, characterized by deficiencies in essential nutrients such as vitamins A, C, D, E, and zinc, can impair the immune system, thereby increasing vulnerability to viral infections and potentially leading to more severe health outcomes that complicate recovery. Additionally, emerging evidence highlights the role of commensal microbiota in immune regulation, which can affect hosts' susceptibility to infections. Specific dietary components, including bioactive compounds, vitamins, and probiotics, can beneficially modify gut microbiota, thus enhancing immune response and offering protection against viral infections. This review aims to elucidate the mechanisms by which dietary adjustments and gut microbiota impact the pathogenesis of viral infections, with a particular focus on strengthening the immune system.
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Affiliation(s)
- Annamaria Altomare
- Department of Sciences and Technologies for Sustainable Development and One Health, Università Campus Bio-Medico di Roma, 00128 Rome, Italy; (A.A.); (M.G.)
- Unit of Gastroenterology, Università Campus Bio-Medico di Roma, 00128 Rome, Italy; (F.B.); (M.P.L.G.)
| | - Marta Giovanetti
- Department of Sciences and Technologies for Sustainable Development and One Health, Università Campus Bio-Medico di Roma, 00128 Rome, Italy; (A.A.); (M.G.)
- Instituto Rene Rachou, Fundação Oswaldo Cruz, Belo Horizonte 30190-002, Brazil
- Climate Amplified Diseases and Epidemics (CLIMADE), Bairro Floresta 31110-370, Brazil
| | - Francesca Baldaro
- Unit of Gastroenterology, Università Campus Bio-Medico di Roma, 00128 Rome, Italy; (F.B.); (M.P.L.G.)
| | - Massimo Ciccozzi
- Unit of Medical Statistics and Molecular Epidemiology, Università Campus Bio-Medico di Roma, 00128 Rome, Italy;
| | - Michele Cicala
- Unit of Gastroenterology, Università Campus Bio-Medico di Roma, 00128 Rome, Italy; (F.B.); (M.P.L.G.)
- Unit of Gastroenterology and Digestive Endoscopy, Fondazione Policlinico Campus Bio-Medico di Roma, 00128 Rome, Italy
| | - Michele Pier Luca Guarino
- Unit of Gastroenterology, Università Campus Bio-Medico di Roma, 00128 Rome, Italy; (F.B.); (M.P.L.G.)
- Unit of Gastroenterology and Digestive Endoscopy, Fondazione Policlinico Campus Bio-Medico di Roma, 00128 Rome, Italy
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19
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Huang C, Liu D, Yang S, Huang Y, Wei X, Zhang P, Lin J, Xu B, Liu Y, Guo D, Li Y, Li J, Zhang H. Effect of time-restricted eating regimen on weight loss is mediated by gut microbiome. iScience 2024; 27:110202. [PMID: 38993674 PMCID: PMC11238135 DOI: 10.1016/j.isci.2024.110202] [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: 01/19/2024] [Revised: 04/16/2024] [Accepted: 06/01/2024] [Indexed: 07/13/2024] Open
Abstract
Time-restricted eating (TRE) is a promising obesity management strategy, but weight-loss efficacy varies among participants, and the underlying mechanism is unclear. The study aimed to investigate the role of gut microbiota in weight-loss response during long-term TRE intervention. We analyzed data from 51 obese adults in a 12-month TRE program, categorizing them into distinct weight loss groups (DG) and moderate weight loss groups (MG) based on their TRE responses. Shotgun metagenomic sequencing analysis revealed a significant increase in species closely associated with weight loss effectiveness and metabolic parameter changes in the DG group. Pathways related to fatty acid biosynthesis, glycogen biosynthesis, and nucleotide metabolism were reduced in the DG group and enhanced in the MG group. Next, we identified nine specific species at baseline that contributed better responses to TRE intervention and significant weight loss. Collectively, gut microbiota contributes to responsiveness heterogeneity in TRE and can predict weight-loss effectiveness.
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Affiliation(s)
- Chensihan Huang
- Department of Endocrinology and Metabolism, Nanfang Hospital, Southern Medical University, Guangzhou 510515, Guangdong, China
| | - Deying Liu
- Department of Endocrinology and Metabolism, Nanfang Hospital, Southern Medical University, Guangzhou 510515, Guangdong, China
| | - Shunyu Yang
- Department of Nutrition, Nanfang Hospital, Southern Medical University, Guangzhou 510515, Guangdong, China
| | - Yan Huang
- Department of Endocrinology and Metabolism, Nanfang Hospital, Southern Medical University, Guangzhou 510515, Guangdong, China
| | - Xueyun Wei
- Department of Endocrinology and Metabolism, Nanfang Hospital, Southern Medical University, Guangzhou 510515, Guangdong, China
| | - Peizhen Zhang
- Department of Endocrinology and Metabolism, Nanfang Hospital, Southern Medical University, Guangzhou 510515, Guangdong, China
| | - Jiayang Lin
- Department of Endocrinology and Metabolism, Nanfang Hospital, Southern Medical University, Guangzhou 510515, Guangdong, China
| | - Bingyan Xu
- Department of Endocrinology and Metabolism, Nanfang Hospital, Southern Medical University, Guangzhou 510515, Guangdong, China
| | - Yating Liu
- Department of Endocrinology and Metabolism, Nanfang Hospital, Southern Medical University, Guangzhou 510515, Guangdong, China
| | - Dan Guo
- Department of Endocrinology and Metabolism, Nanfang Hospital, Southern Medical University, Guangzhou 510515, Guangdong, China
| | - Yafeng Li
- Department of Nephrology, Shanxi Provincial People’s Hospital (Fifth Hospital) of Shanxi Medical University, Taiyuan 030000, Shanxi, China
- Core Laboratory, Shanxi Provincial People’s Hospital (Fifth Hospital) of Shanxi Medical University; Taiyuan, China
- Academy of Microbial Ecology, Shanxi Medical University, Taiyuan 030000, Shanxi, China
| | - Jin Li
- Department of Endocrinology and Metabolism, Shan Xi Medical University Second Hospital, Shan Xi Medical University, Taiyuan 030000, Shanxi, China
| | - Huijie Zhang
- Department of Endocrinology and Metabolism, Nanfang Hospital, Southern Medical University, Guangzhou 510515, Guangdong, China
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20
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Lee H, Yang X, Jin PR, Won KJ, Kim CH, Jeong H. The Discovery of Gut Microbial Metabolites as Modulators of Host Susceptibility to Acetaminophen-Induced Hepatotoxicity. Drug Metab Dispos 2024; 52:754-764. [PMID: 38302428 PMCID: PMC11257691 DOI: 10.1124/dmd.123.001541] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2023] [Revised: 01/11/2024] [Accepted: 01/29/2024] [Indexed: 02/03/2024] Open
Abstract
The mammalian gut microbiota plays diverse and essential roles in modulating host physiology. Key mediators determining the outcome of the microbiota-host interactions are the small molecule metabolites produced by the gut microbiota. The liver is a major organ exposed to gut microbial metabolites, and it serves as the nexus for maintaining healthy interactions between the gut microbiota and the host. At the same time, the liver is the primary target of potentially harmful gut microbial metabolites. In this review, we provide an up-to-date list of gut microbial metabolites that have been identified to either increase or decrease host susceptibility to acetaminophen (APAP)-induced liver injury. The signaling pathways and molecular factors involved in the progression of APAP-induced hepatotoxicity are well-established, and we propose that the mouse model of APAP-induced hepatotoxicity serves as a model system for uncovering gut microbial metabolites with previously unknown functions. Furthermore, we envision that gut microbial metabolites identified to alter APAP-induced hepatotoxicity likely have broader implications in other liver diseases. SIGNIFICANCE STATEMENT: This review provides an overview of the role of the gut microbiota in modulating the host susceptibility to acetaminophen (APAP)-induced liver injury. It focuses on the roles of gut bacterial small molecule metabolites as mediators of the interaction between the gut microbiota and the liver. It also illustrates the utility of APAP-induced liver injury as a model to identify gut microbial metabolites with biological function.
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Affiliation(s)
- Hyunwoo Lee
- Department of Industrial and Molecular Pharmaceutics (H.L., X.Y., P.-R.J., K.-J.W., H.J.), Department of Pharmacy Practice (H.J.), and College of Pharmacy, and Department of Comparative Pathobiology, College of Veterinary Medicine (H.L.), Purdue University, West Lafayette, Indiana and Department of Pathology and Mary H. Weiser Food Allergy Center and Rogel Center for Cancer Research, University of Michigan School of Medicine, Ann Arbor, Michigan (C.H.K.)
| | - Xiaotong Yang
- Department of Industrial and Molecular Pharmaceutics (H.L., X.Y., P.-R.J., K.-J.W., H.J.), Department of Pharmacy Practice (H.J.), and College of Pharmacy, and Department of Comparative Pathobiology, College of Veterinary Medicine (H.L.), Purdue University, West Lafayette, Indiana and Department of Pathology and Mary H. Weiser Food Allergy Center and Rogel Center for Cancer Research, University of Michigan School of Medicine, Ann Arbor, Michigan (C.H.K.)
| | - Pei-Ru Jin
- Department of Industrial and Molecular Pharmaceutics (H.L., X.Y., P.-R.J., K.-J.W., H.J.), Department of Pharmacy Practice (H.J.), and College of Pharmacy, and Department of Comparative Pathobiology, College of Veterinary Medicine (H.L.), Purdue University, West Lafayette, Indiana and Department of Pathology and Mary H. Weiser Food Allergy Center and Rogel Center for Cancer Research, University of Michigan School of Medicine, Ann Arbor, Michigan (C.H.K.)
| | - Kyoung-Jae Won
- Department of Industrial and Molecular Pharmaceutics (H.L., X.Y., P.-R.J., K.-J.W., H.J.), Department of Pharmacy Practice (H.J.), and College of Pharmacy, and Department of Comparative Pathobiology, College of Veterinary Medicine (H.L.), Purdue University, West Lafayette, Indiana and Department of Pathology and Mary H. Weiser Food Allergy Center and Rogel Center for Cancer Research, University of Michigan School of Medicine, Ann Arbor, Michigan (C.H.K.)
| | - Chang H Kim
- Department of Industrial and Molecular Pharmaceutics (H.L., X.Y., P.-R.J., K.-J.W., H.J.), Department of Pharmacy Practice (H.J.), and College of Pharmacy, and Department of Comparative Pathobiology, College of Veterinary Medicine (H.L.), Purdue University, West Lafayette, Indiana and Department of Pathology and Mary H. Weiser Food Allergy Center and Rogel Center for Cancer Research, University of Michigan School of Medicine, Ann Arbor, Michigan (C.H.K.)
| | - Hyunyoung Jeong
- Department of Industrial and Molecular Pharmaceutics (H.L., X.Y., P.-R.J., K.-J.W., H.J.), Department of Pharmacy Practice (H.J.), and College of Pharmacy, and Department of Comparative Pathobiology, College of Veterinary Medicine (H.L.), Purdue University, West Lafayette, Indiana and Department of Pathology and Mary H. Weiser Food Allergy Center and Rogel Center for Cancer Research, University of Michigan School of Medicine, Ann Arbor, Michigan (C.H.K.)
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21
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Sejbuk M, Siebieszuk A, Witkowska AM. The Role of Gut Microbiome in Sleep Quality and Health: Dietary Strategies for Microbiota Support. Nutrients 2024; 16:2259. [PMID: 39064702 PMCID: PMC11279861 DOI: 10.3390/nu16142259] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2024] [Revised: 07/10/2024] [Accepted: 07/11/2024] [Indexed: 07/28/2024] Open
Abstract
Dietary components, including dietary fiber, unsaturated fatty acids, and polyphenols, along with meal timing and spacing, significantly affect the microbiota's capacity to produce various metabolites essential for quality sleep and overall health. This review explores the role of gut microbiota in regulating sleep through various metabolites such as short-chain fatty acids, tryptophan, serotonin, melatonin, and gamma-aminobutyric acid. A balanced diet rich in plant-based foods enhances the production of these sleep-regulating metabolites, potentially benefiting overall health. This review aims to investigate how dietary habits affect gut microbiota composition, the metabolites it produces, and the subsequent impact on sleep quality and related health conditions.
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Affiliation(s)
- Monika Sejbuk
- Department of Food Biotechnology, Medical University of Bialystok, Szpitalna 37, 15-295 Bialystok, Poland;
| | - Adam Siebieszuk
- Department of Physiology, Faculty of Medicine, Medical University of Bialystok, Mickiewicza 2C, 15-222 Białystok, Poland;
| | - Anna Maria Witkowska
- Department of Food Biotechnology, Medical University of Bialystok, Szpitalna 37, 15-295 Bialystok, Poland;
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22
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Allaband C, Lingaraju A, Flores Ramos S, Kumar T, Javaheri H, Tiu MD, Dantas Machado AC, Richter RA, Elijah E, Haddad GG, Leone VA, Dorrestein PC, Knight R, Zarrinpar A. Time of sample collection is critical for the replicability of microbiome analyses. Nat Metab 2024; 6:1282-1293. [PMID: 38951660 PMCID: PMC11309016 DOI: 10.1038/s42255-024-01064-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/27/2022] [Accepted: 05/08/2024] [Indexed: 07/03/2024]
Abstract
As the microbiome field moves from descriptive and associative research to mechanistic and interventional studies, being able to account for all confounding variables in the experimental design, which includes the maternal effect1, cage effect2, facility differences3, as well as laboratory and sample handling protocols4, is critical for interpretability of results. Despite significant procedural and bioinformatic improvements, unexplained variability and lack of replicability still occur. One underexplored factor is that the microbiome is dynamic and exhibits diurnal oscillations that can change microbiome composition5-7. In this retrospective analysis of 16S amplicon sequencing studies in male mice, we show that sample collection time affects the conclusions drawn from microbiome studies and its effect size is larger than those of a daily experimental intervention or dietary changes. The timing of divergence of the microbiome composition between experimental and control groups is unique to each experiment. Sample collection times as short as only 4 hours apart can lead to vastly different conclusions. Lack of consistency in the time of sample collection may explain poor cross-study replicability in microbiome research. The impact of diurnal rhythms on the outcomes and study design of other fields is unknown but likely significant.
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Affiliation(s)
- Celeste Allaband
- Division of Biomedical Sciences, University of California, San Diego, La Jolla, CA, USA
- Division of Gastroenterology, University of California, San Diego, La Jolla, CA, USA
- Department of Pediatrics, University of California, San Diego, La Jolla, CA, USA
| | - Amulya Lingaraju
- Division of Gastroenterology, University of California, San Diego, La Jolla, CA, USA
| | - Stephany Flores Ramos
- Division of Biomedical Sciences, University of California, San Diego, La Jolla, CA, USA
- Division of Gastroenterology, University of California, San Diego, La Jolla, CA, USA
- Department of Pediatrics, University of California, San Diego, La Jolla, CA, USA
| | - Tanya Kumar
- Medical Scientist Training Program, University of California San Diego, La Jolla, CA, USA
| | - Haniyeh Javaheri
- Division of Gastroenterology, University of California, San Diego, La Jolla, CA, USA
| | - Maria D Tiu
- Division of Gastroenterology, University of California, San Diego, La Jolla, CA, USA
| | | | - R Alexander Richter
- Division of Gastroenterology, University of California, San Diego, La Jolla, CA, USA
| | - Emmanuel Elijah
- Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California, San Diego, La Jolla, CA, USA
- Center for Microbiome Innovation, University of California, San Diego, La Jolla, CA, USA
| | - Gabriel G Haddad
- Department of Pediatrics, University of California, San Diego, La Jolla, CA, USA
- Department of Neurosciences, University of California, San Diego, La Jolla, CA, USA
- Rady Children's Hospital, San Diego, CA, USA
| | - Vanessa A Leone
- Department of Animal and Dairy Sciences, University of Wisconsin-Madison, Madison, WI, USA
| | - Pieter C Dorrestein
- Department of Pediatrics, University of California, San Diego, La Jolla, CA, USA
- Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California, San Diego, La Jolla, CA, USA
- Center for Microbiome Innovation, University of California, San Diego, La Jolla, CA, USA
- Center for Computational Mass Spectrometry, University of California, San Diego, La Jolla, CA, USA
| | - Rob Knight
- Department of Pediatrics, University of California, San Diego, La Jolla, CA, USA
- Center for Microbiome Innovation, University of California, San Diego, La Jolla, CA, USA
- Department of Computer Science and Engineering, University of California, San Diego, La Jolla, CA, USA
- Halıcıoğlu Data Science Institute, University of California, San Diego, La Jolla, CA, USA
- Shu Chien-Gene Lay Department of Bioengineering, University of California, San Diego, La Jolla, CA, USA
| | - Amir Zarrinpar
- Division of Gastroenterology, University of California, San Diego, La Jolla, CA, USA.
- Center for Microbiome Innovation, University of California, San Diego, La Jolla, CA, USA.
- Shu Chien-Gene Lay Department of Bioengineering, University of California, San Diego, La Jolla, CA, USA.
- Division of Gastroenterology, Jennifer Moreno Department of Veterans Affairs Medical Center, La Jolla, CA, USA.
- Institute of Diabetes and Metabolic Health, University of California, San Diego, La Jolla, CA, USA.
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23
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Horn V, Sonnenberg GF. Group 3 innate lymphoid cells in intestinal health and disease. Nat Rev Gastroenterol Hepatol 2024; 21:428-443. [PMID: 38467885 PMCID: PMC11144103 DOI: 10.1038/s41575-024-00906-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 02/05/2024] [Indexed: 03/13/2024]
Abstract
The gastrointestinal tract is an immunologically rich organ, containing complex cell networks and dense lymphoid structures that safeguard this large absorptive barrier from pathogens, contribute to tissue physiology and support mucosal healing. Simultaneously, the immune system must remain tolerant to innocuous dietary antigens and trillions of normally beneficial microorganisms colonizing the intestine. Indeed, a dysfunctional immune response in the intestine underlies the pathogenesis of numerous local and systemic diseases, including inflammatory bowel disease, food allergy, chronic enteric infections or cancers. Here, we discuss group 3 innate lymphoid cells (ILC3s), which have emerged as orchestrators of tissue physiology, immunity, inflammation, tolerance and malignancy in the gastrointestinal tract. ILC3s are abundant in the developing and healthy intestine but their numbers or function are altered during chronic disease and cancer. The latest studies provide new insights into the mechanisms by which ILC3s fundamentally shape intestinal homeostasis or disease pathophysiology, and often this functional dichotomy depends on context and complex interactions with other cell types or microorganisms. Finally, we consider how this knowledge could be harnessed to improve current treatments or provoke new opportunities for therapeutic intervention to promote gut health.
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Affiliation(s)
- Veronika Horn
- Jill Roberts Institute for Research in Inflammatory Bowel Disease, Weill Cornell Medicine, Cornell University, New York, NY, USA
- Joan and Sanford I. Weill Department of Medicine, Division of Gastroenterology & Hepatology, Weill Cornell Medicine, Cornell University, New York, NY, USA
- Department of Microbiology & Immunology, Weill Cornell Medicine, Cornell University, New York, NY, USA
| | - Gregory F Sonnenberg
- Jill Roberts Institute for Research in Inflammatory Bowel Disease, Weill Cornell Medicine, Cornell University, New York, NY, USA.
- Joan and Sanford I. Weill Department of Medicine, Division of Gastroenterology & Hepatology, Weill Cornell Medicine, Cornell University, New York, NY, USA.
- Department of Microbiology & Immunology, Weill Cornell Medicine, Cornell University, New York, NY, USA.
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24
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McKay DM, Defaye M, Rajeev S, MacNaughton WK, Nasser Y, Sharkey KA. Neuroimmunophysiology of the gastrointestinal tract. Am J Physiol Gastrointest Liver Physiol 2024; 326:G712-G725. [PMID: 38626403 PMCID: PMC11376980 DOI: 10.1152/ajpgi.00075.2024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/07/2024] [Revised: 04/11/2024] [Accepted: 04/15/2024] [Indexed: 04/18/2024]
Abstract
Gut physiology is the epicenter of a web of internal communication systems (i.e., neural, immune, hormonal) mediated by cell-cell contacts, soluble factors, and external influences, such as the microbiome, diet, and the physical environment. Together these provide the signals that shape enteric homeostasis and, when they go awry, lead to disease. Faced with the seemingly paradoxical tasks of nutrient uptake (digestion) and retarding pathogen invasion (host defense), the gut integrates interactions between a variety of cells and signaling molecules to keep the host nourished and protected from pathogens. When the system fails, the outcome can be acute or chronic disease, often labeled as "idiopathic" in nature (e.g., irritable bowel syndrome, inflammatory bowel disease). Here we underscore the importance of a holistic approach to gut physiology, placing an emphasis on intercellular connectedness, using enteric neuroimmunophysiology as the paradigm. The goal of this opinion piece is to acknowledge the pace of change brought to our field via single-cell and -omic methodologies and other techniques such as cell lineage tracing, transgenic animal models, methods for culturing patient tissue, and advanced imaging. We identify gaps in the field and hope to inspire and challenge colleagues to take up the mantle and advance awareness of the subtleties, intricacies, and nuances of intestinal physiology in health and disease by defining communication pathways between gut resident cells, those recruited from the circulation, and "external" influences such as the central nervous system and the gut microbiota.
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Affiliation(s)
- Derek M McKay
- Snyder Institute for Chronic Diseases, University of Calgary, Calgary, Alberta, Canada
- Gastrointestinal Research Group, University of Calgary, Calgary, Alberta, Canada
- Inflammation Research Network, University of Calgary, Calgary, Alberta, Canada
- Department of Physiology and Pharmacology, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
| | - Manon Defaye
- Snyder Institute for Chronic Diseases, University of Calgary, Calgary, Alberta, Canada
- Gastrointestinal Research Group, University of Calgary, Calgary, Alberta, Canada
- Inflammation Research Network, University of Calgary, Calgary, Alberta, Canada
- Department of Physiology and Pharmacology, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
| | - Sruthi Rajeev
- Snyder Institute for Chronic Diseases, University of Calgary, Calgary, Alberta, Canada
- Gastrointestinal Research Group, University of Calgary, Calgary, Alberta, Canada
- Inflammation Research Network, University of Calgary, Calgary, Alberta, Canada
- Department of Physiology and Pharmacology, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
| | - Wallace K MacNaughton
- Snyder Institute for Chronic Diseases, University of Calgary, Calgary, Alberta, Canada
- Gastrointestinal Research Group, University of Calgary, Calgary, Alberta, Canada
- Inflammation Research Network, University of Calgary, Calgary, Alberta, Canada
- Department of Physiology and Pharmacology, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
- Alberta Children's Hospital Research Institute, University of Calgary, Calgary, Alberta, Canada
| | - Yasmin Nasser
- Snyder Institute for Chronic Diseases, University of Calgary, Calgary, Alberta, Canada
- Gastrointestinal Research Group, University of Calgary, Calgary, Alberta, Canada
- Inflammation Research Network, University of Calgary, Calgary, Alberta, Canada
- Department of Medicine, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
| | - Keith A Sharkey
- Snyder Institute for Chronic Diseases, University of Calgary, Calgary, Alberta, Canada
- Gastrointestinal Research Group, University of Calgary, Calgary, Alberta, Canada
- Department of Physiology and Pharmacology, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
- Hotchkiss Brain Institute, University of Calgary, Calgary, Alberta, Canada
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25
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Sharma SA, Oladejo SO, Kuang Z. Chemical interplay between gut microbiota and epigenetics: Implications in circadian biology. Cell Chem Biol 2024:S2451-9456(24)00178-8. [PMID: 38776923 DOI: 10.1016/j.chembiol.2024.04.016] [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: 12/15/2023] [Revised: 03/22/2024] [Accepted: 04/26/2024] [Indexed: 05/25/2024]
Abstract
Circadian rhythms are intrinsic molecular mechanisms that synchronize biological functions with the day/night cycle. The mammalian gut is colonized by a myriad of microbes, collectively named the gut microbiota. The microbiota impacts host physiology via metabolites and structural components. A key mechanism is the modulation of host epigenetic pathways, especially histone modifications. An increasing number of studies indicate the role of the microbiota in regulating host circadian rhythms. However, the mechanisms remain largely unknown. Here, we summarize studies on microbial regulation of host circadian rhythms and epigenetic pathways, highlight recent findings on how the microbiota employs host epigenetic machinery to regulate circadian rhythms, and discuss its impacts on host physiology, particularly immune and metabolic functions. We further describe current challenges and resources that could facilitate research on microbiota-epigenetic-circadian rhythm interactions to advance our knowledge of circadian disorders and possible therapeutic avenues.
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Affiliation(s)
- Samskrathi Aravinda Sharma
- Department of Biological Sciences, Carnegie Mellon University, 4400 Fifth Avenue, Pittsburgh, PA 15213, USA
| | - Sarah Olanrewaju Oladejo
- Department of Biological Sciences, Carnegie Mellon University, 4400 Fifth Avenue, Pittsburgh, PA 15213, USA
| | - Zheng Kuang
- Department of Biological Sciences, Carnegie Mellon University, 4400 Fifth Avenue, Pittsburgh, PA 15213, USA.
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26
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Borrmann H, Rijo-Ferreira F. Crosstalk between circadian clocks and pathogen niche. PLoS Pathog 2024; 20:e1012157. [PMID: 38723104 PMCID: PMC11081299 DOI: 10.1371/journal.ppat.1012157] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/13/2024] Open
Abstract
Circadian rhythms are intrinsic 24-hour oscillations found in nearly all life forms. They orchestrate key physiological and behavioral processes, allowing anticipation and response to daily environmental changes. These rhythms manifest across entire organisms, in various organs, and through intricate molecular feedback loops that govern cellular oscillations. Recent studies describe circadian regulation of pathogens, including parasites, bacteria, viruses, and fungi, some of which have their own circadian rhythms while others are influenced by the rhythmic environment of hosts. Pathogens target specific tissues and organs within the host to optimize their replication. Diverse cellular compositions and the interplay among various cell types create unique microenvironments in different tissues, and distinctive organs have unique circadian biology. Hence, residing pathogens are exposed to cyclic conditions, which can profoundly impact host-pathogen interactions. This review explores the influence of circadian rhythms and mammalian tissue-specific interactions on the dynamics of pathogen-host relationships. Overall, this demonstrates the intricate interplay between the body's internal timekeeping system and its susceptibility to pathogens, which has implications for the future of infectious disease research and treatment.
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Affiliation(s)
- Helene Borrmann
- Berkeley Public Health, Molecular and Cell Biology Department, University of California Berkeley, Berkeley, California, United States of America
| | - Filipa Rijo-Ferreira
- Berkeley Public Health, Molecular and Cell Biology Department, University of California Berkeley, Berkeley, California, United States of America
- Chan Zuckerberg Biohub–San Francisco, San Francisco, California, United States of America
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27
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Ratiner K, Ciocan D, Abdeen SK, Elinav E. Utilization of the microbiome in personalized medicine. Nat Rev Microbiol 2024; 22:291-308. [PMID: 38110694 DOI: 10.1038/s41579-023-00998-9] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/17/2023] [Indexed: 12/20/2023]
Abstract
Inter-individual human variability, driven by various genetic and environmental factors, complicates the ability to develop effective population-based early disease detection, treatment and prognostic assessment. The microbiome, consisting of diverse microorganism communities including viruses, bacteria, fungi and eukaryotes colonizing human body surfaces, has recently been identified as a contributor to inter-individual variation, through its person-specific signatures. As such, the microbiome may modulate disease manifestations, even among individuals with similar genetic disease susceptibility risks. Information stored within microbiomes may therefore enable early detection and prognostic assessment of disease in at-risk populations, whereas microbiome modulation may constitute an effective and safe treatment tailored to the individual. In this Review, we explore recent advances in the application of microbiome data in precision medicine across a growing number of human diseases. We also discuss the challenges, limitations and prospects of analysing microbiome data for personalized patient care.
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Affiliation(s)
- Karina Ratiner
- Systems Immunology Department, Weizmann Institute of Science, Rehovot, Israel
| | - Dragos Ciocan
- Systems Immunology Department, Weizmann Institute of Science, Rehovot, Israel
| | - Suhaib K Abdeen
- Systems Immunology Department, Weizmann Institute of Science, Rehovot, Israel.
| | - Eran Elinav
- Systems Immunology Department, Weizmann Institute of Science, Rehovot, Israel.
- Division of Cancer-Microbiome Research, DKFZ, Heidelberg, Germany.
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28
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Li X, Kurahara LH, Zhao Z, Zhao F, Ishikawa R, Ohmichi K, Li G, Yamashita T, Hashimoto T, Hirano M, Sun Z, Hirano K. Therapeutic Effect of Proteinase-Activated Receptor-1 Antagonist on Colitis-Associated Carcinogenesis. Cell Mol Gastroenterol Hepatol 2024; 18:105-131. [PMID: 38614455 PMCID: PMC11127032 DOI: 10.1016/j.jcmgh.2024.04.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/19/2023] [Revised: 03/30/2024] [Accepted: 04/03/2024] [Indexed: 04/15/2024]
Abstract
BACKGROUND & AIMS Inflammatory bowel disease is associated with carcinogenesis, which limits the prognosis of the patients. The local expression of proteinases and proteinase-activated receptor 1 (PAR1) increases in inflammatory bowel disease. The present study investigated the therapeutic effects of PAR1 antagonism on colitis-associated carcinogenesis. METHODS A colitis-associated carcinogenesis model was prepared in mice by treatment with azoxymethane (AOM) and dextran sulfate sodium (DSS). PAR1 antagonist E5555 was administered in long- and short-term protocol, starting on the day of AOM injection and 1 week after completing AOM/DSS treatment, respectively. The fecal samples were collected for metagenome analysis of gut microbiota. The intestinal myofibroblasts of the Crohn's disease patients were used to elucidate underlying cellular mechanisms. Caco-2 cells were used to investigate a possible source of PAR1 agonist proteinases. RESULTS AOM/DSS model showed weight loss, diarrhea, tumor development, inflammation, fibrosis, and increased production of inflammatory cytokines. The β-diversity, but not α-diversity, of microbiota significantly differed between AOM/DSS and control mice. E5555 alleviated these pathological changes and altered the microbiota β-diversity in AOM/DSS mice. The thrombin expression was up-regulated in tumor and non-tumor areas, whereas PAR1 mRNA expression was higher in tumor areas compared with non-tumor areas. E5555 inhibited thrombin-triggered elevation of cytosolic Ca2+ concentration and ERK1/2 phosphorylation, as well as IL6-induced signal transducer and activator of transcription 3 (STAT3) phosphorylation in intestinal myofibroblasts. Caco-2 cell-conditioned medium contained immunoreactive thrombin, which cleaved the recombinant protein containing the extracellular domain of PAR1 at the thrombin cleavage site. CONCLUSIONS PAR1 antagonism is proposed to be a novel therapeutic strategy for treatment of inflammatory bowel disease and its associated carcinogenesis.
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Affiliation(s)
- Xiaodong Li
- Department of Cardiovascular Physiology, Faculty of Medicine, Kagawa University, Kagawa, Japan
| | - Lin-Hai Kurahara
- Department of Cardiovascular Physiology, Faculty of Medicine, Kagawa University, Kagawa, Japan.
| | - Zhixin Zhao
- Inner Mongolia Key Laboratory of Dairy Biotechnology and Engineering; Key Laboratory of Dairy Products Processing, Ministry of Agriculture and Rural Affairs; Key Laboratory of Dairy Biotechnology and Engineering, Ministry of Education, Inner Mongolia Agricultural University, Hohhot, Inner Mongolia, China
| | - Feiyan Zhao
- Inner Mongolia Key Laboratory of Dairy Biotechnology and Engineering; Key Laboratory of Dairy Products Processing, Ministry of Agriculture and Rural Affairs; Key Laboratory of Dairy Biotechnology and Engineering, Ministry of Education, Inner Mongolia Agricultural University, Hohhot, Inner Mongolia, China
| | - Ryo Ishikawa
- Department of Diagnostic Pathology, Kagawa University Hospital, Kagawa University, Kagawa, Japan
| | - Kiyomi Ohmichi
- Department of Diagnostic Pathology, Kagawa University Hospital, Kagawa University, Kagawa, Japan
| | - Gaopeng Li
- Department of Cardiovascular Physiology, Faculty of Medicine, Kagawa University, Kagawa, Japan
| | - Tetsuo Yamashita
- Department of Cardiovascular Physiology, Faculty of Medicine, Kagawa University, Kagawa, Japan
| | - Takeshi Hashimoto
- Department of Cardiovascular Physiology, Faculty of Medicine, Kagawa University, Kagawa, Japan
| | - Mayumi Hirano
- Department of Cardiovascular Physiology, Faculty of Medicine, Kagawa University, Kagawa, Japan
| | - Zhihong Sun
- Inner Mongolia Key Laboratory of Dairy Biotechnology and Engineering; Key Laboratory of Dairy Products Processing, Ministry of Agriculture and Rural Affairs; Key Laboratory of Dairy Biotechnology and Engineering, Ministry of Education, Inner Mongolia Agricultural University, Hohhot, Inner Mongolia, China
| | - Katsuya Hirano
- Department of Cardiovascular Physiology, Faculty of Medicine, Kagawa University, Kagawa, Japan
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Awe T, Fasawe A, Sawe C, Ogunware A, Jamiu AT, Allen M. The modulatory role of gut microbiota on host behavior: exploring the interaction between the brain-gut axis and the neuroendocrine system. AIMS Neurosci 2024; 11:49-62. [PMID: 38617041 PMCID: PMC11007408 DOI: 10.3934/neuroscience.2024004] [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: 12/05/2023] [Revised: 03/26/2024] [Accepted: 03/28/2024] [Indexed: 04/16/2024] Open
Abstract
The brain-gut axis refers to the communication between the central nervous system and the gastrointestinal tract, with the gut microbiome playing a crucial role. While our understanding of the interaction between the gut microbiome and the host's physiology is still in its nascent stage, evidence suggests that the gut microbiota can indeed modulate host behavior. Understanding the specific mechanisms by which the gut microbiota community modulates the host's behavior remains the focus of present and future neuro-gastroenterology studies. This paper reviews several pieces of evidence from the literature on the impact of gut microbiota on host behavior across animal taxa. We explore the different pathways through which this modulation occurs, with the aim of deepening our understanding of the fascinating relationship between the gut microbiome and the central nervous system.
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Affiliation(s)
- Temitope Awe
- Department of Cell Biology and Genetics, University of Lagos, Lagos, Nigeria
- School of Biological Sciences, Illinois State University, Normal, IL, USA
| | - Ayoola Fasawe
- School of Biological Sciences, Illinois State University, Normal, IL, USA
| | - Caleb Sawe
- School of Biological Sciences, Illinois State University, Normal, IL, USA
| | - Adedayo Ogunware
- Department of Neuroscience, Developmental and Regenerative Biology, University of Texas at San Antonio, San Antonio, TX, USA
| | | | - Michael Allen
- Department of Physiology, College of Medicine, Lagos State University, Lagos, Nigeria
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Kado DM. Night-to-night sleep duration variability and gut microbial diversity: more evidence for a brain-gut microbiome-sleep connection. Sleep 2024; 47:zsae005. [PMID: 38183293 DOI: 10.1093/sleep/zsae005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2023] [Indexed: 01/08/2024] Open
Affiliation(s)
- Deborah M Kado
- Department of Medicine, Stanford University, Palo Alto, CA, USA
- Geriatric Research Education and Clinical Center (GRECC), Palo Alto Veterans Healthcare Administration, Palo Alto, CA, USA
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Moore ML, Ford JL, Schladweiler MC, Dye JA, Jackson TW, Miller CN. Gut metabolic changes during pregnancy reveal the importance of gastrointestinal region in sample collection. Metabolomics 2024; 20:40. [PMID: 38460019 PMCID: PMC11168590 DOI: 10.1007/s11306-024-02099-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/08/2024] [Accepted: 02/06/2024] [Indexed: 03/11/2024]
Abstract
INTRODUCTION Studies of gastrointestinal physiology and the gut microbiome often consider the influence of intestinal region on experimental endpoints. However, this same consideration is not often applied to the gut metabolome. Understanding the contribution of gut regionality may be critically important to the rapidly changing metabolic environments, such as during pregnancy. OBJECTIVES We sought to characterize the difference in the gut metabolome in pregnant mice stratified by region-comparing the small intestine, cecum, and feces. Pre-pregnancy feces were collected to understand the influence of pregnancy on the fecal metabolome. METHODS Feces were collected from CD-1 female mice before breeding. On gestation day (GD) 18, gut contents were collected from the small intestine, cecum, and descending colon. Metabolites were analyzed with LC-MS/MS using the Biocrates MetaboINDICATOR™ MxP® Quant 500 kit. RESULTS Of the 104 small molecule metabolites meeting analysis criteria, we found that 84 (81%) were differentially abundant based on gut region. The most significant regional comparison observed was between the cecum and small intestines, with 52 (50%) differentially abundant metabolites. Pregnancy itself altered 41 (39.4%) fecal small molecule metabolites. CONCLUSIONS The regional variation observed in the gut metabolome are likely due to the microbial and physiological differences between the different parts of the intestines. Additionally, pregnancy impacts the fecal metabolome, which may be due to evolving needs of both the dam and fetus.
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Affiliation(s)
- Makala L Moore
- Oak Ridge Institute for Science and Education, U.S. Environmental Protection Agency, Research Triangle Park, NC, USA
| | - Jermaine L Ford
- Chemical Characterization and Exposure Division, Center for Computational Toxicology and Exposure, U.S. Environmental Protection Agency, Research Triangle Park, NC, USA
| | - Mette C Schladweiler
- Public Health and Integrated Toxicology Division, Center for Public Health and Environmental Assessment, U.S. Environmental Protection Agency, Research Triangle Park, NC, USA
| | - Janice A Dye
- Public Health and Integrated Toxicology Division, Center for Public Health and Environmental Assessment, U.S. Environmental Protection Agency, Research Triangle Park, NC, USA
| | - Thomas W Jackson
- Public Health and Integrated Toxicology Division, Center for Public Health and Environmental Assessment, U.S. Environmental Protection Agency, Research Triangle Park, NC, USA.
| | - Colette N Miller
- Public Health and Integrated Toxicology Division, Center for Public Health and Environmental Assessment, U.S. Environmental Protection Agency, Research Triangle Park, NC, USA.
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Szentirmai E, Buckley K, Massie AR, Kapas L. Lipopolysaccharide-Mediated Effects of the Microbiota on Sleep and Body Temperature. RESEARCH SQUARE 2024:rs.3.rs-3995260. [PMID: 38496422 PMCID: PMC10942547 DOI: 10.21203/rs.3.rs-3995260/v1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/19/2024]
Abstract
Background Recent research suggests that microbial molecules translocated from the intestinal lumen into the host's internal environment may play a role in various physiological functions, including sleep. Previously, we identified that butyrate, a short-chain fatty acid, produced by intestinal bacteria, and lipoteichoic acid, a cell wall component of gram-positive bacteria induce sleep when their naturally occurring translocation is mimicked by direct delivery into the portal vein. Building upon these findings, we aimed to explore the sleep signaling potential of intraportally administered lipopolysaccharide, a primary component of gram-negative bacterial cell walls, in rats. Results Low dose of lipopolysaccharide (1 μg/kg) increased sleep duration and prolonged fever, without affecting systemic lipopolysaccharide levels. Interestingly, administering LPS systemically outside the portal region at a dose 20 times higher did not affect sleep, indicating a localized sensitivity within the hepatoportal region, encompassing the portal vein and liver, for the sleep and febrile effects of lipopolysaccharide. Furthermore, both the sleep- and fever-inducing effects of LPS were inhibited by indomethacin, a prostaglandin synthesis inhibitor, and replicated by intraportal administration of prostaglandin E2 or arachidonic acid, suggesting the involvement of the prostaglandin system in mediating these actions. Conclusions These findings underscore the dynamic influence of lipopolysaccharide in the hepatoportal region on sleep and fever mechanisms, contributing to a complex microbial molecular assembly that orchestrates communication between the intestinal microbiota and brain. Lipopolysaccharide is a physiological component of plasma in both the portal and extra-portal circulation, with its levels rising in response to everyday challenges like high-fat meals, moderate alcohol intake, sleep loss and psychological stress. The increased translocation of lipopolysaccharide under such conditions may account for their physiological impact in daily life, highlighting the intricate interplay between microbial molecules and host physiology.
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Wang Q, Gao T, Zhang W, Liu D, Li X, Chen F, Mei J. Causal relationship between the gut microbiota and insomnia: a two-sample Mendelian randomization study. Front Cell Infect Microbiol 2024; 14:1279218. [PMID: 38500501 PMCID: PMC10945026 DOI: 10.3389/fcimb.2024.1279218] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2023] [Accepted: 02/01/2024] [Indexed: 03/20/2024] Open
Abstract
Background Changes in the gut microbiota are closely related to insomnia, but the causal relationship between them is not yet clear. Objective To clarify the relationship between the gut microbiota and insomnia and provide genetic evidence for them, we conducted a two-sample Mendelian randomization study. Methods We used a Mendelian randomized two-way validation method to discuss the causal relationship. First, we downloaded the data of 462,341 participants relating to insomnia, and the data of 18,340 participants relating to the gut microbiota from a genome-wide association study (GWAS). Then, we used two regression models, inverse-variance weighted (IVW) and MR-Egger regression, to evaluate the relationship between exposure factors and outcomes. Finally, we took a reverse MR analysis to assess the possibility of reverse causality. Results The combined results show 19 gut microbiotas to have a causal relationship with insomnia (odds ratio (OR): 1.03; 95% confidence interval (CI): 1.01, 1.05; p=0.000 for class. Negativicutes; OR: 1.03; 95% CI: 1.01, 1.05; p=0.000 for order.Selenomonadales; OR: 1.01; 95% CI: 1.00, 1.02; p=0.003 for genus.RikenellaceaeRC9gutgroup). The results were consistent with sensitivity analyses for these bacterial traits. In reverse MR analysis, we found no statistical difference between insomnia and these gut microbiotas. Conclusion This study can provide a new direction for the causal relationship between the gut microbiota (class.Negativicutes, order.Selenomonadales, genus.Lactococcus) and insomnia and the treatment or prevention strategies of insomnia.
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Affiliation(s)
- Qianfei Wang
- The Graduate School, Hebei University of Chinese Medicine, Shijiazhuang, China
- The First Affiliated Hospital, Hebei University of Chinese Medicine, Shijiazhuang, China
| | - Tianci Gao
- The Graduate School, Hebei University of Chinese Medicine, Shijiazhuang, China
- The First Affiliated Hospital, Hebei University of Chinese Medicine, Shijiazhuang, China
| | - Weichao Zhang
- The Graduate School, Hebei University of Chinese Medicine, Shijiazhuang, China
- The First Affiliated Hospital, Hebei University of Chinese Medicine, Shijiazhuang, China
| | - Dong Liu
- The Graduate School, Hebei University of Chinese Medicine, Shijiazhuang, China
- The First Affiliated Hospital, Hebei University of Chinese Medicine, Shijiazhuang, China
| | - Xin Li
- The Graduate School, Hebei University of Chinese Medicine, Shijiazhuang, China
- The First Affiliated Hospital, Hebei University of Chinese Medicine, Shijiazhuang, China
| | - Fenqiao Chen
- The First Affiliated Hospital, Hebei University of Chinese Medicine, Shijiazhuang, China
| | - Jianqiang Mei
- The First Affiliated Hospital, Hebei University of Chinese Medicine, Shijiazhuang, China
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Forsyth CB, Shaikh M, Engen PA, Preuss F, Naqib A, Palmen BA, Green SJ, Zhang L, Bogin ZR, Lawrence K, Sharma D, Swanson GR, Bishehsari F, Voigt RM, Keshavarzian A. Evidence that the loss of colonic anti-microbial peptides may promote dysbiotic Gram-negative inflammaging-associated bacteria in aging mice. FRONTIERS IN AGING 2024; 5:1352299. [PMID: 38501032 PMCID: PMC10945560 DOI: 10.3389/fragi.2024.1352299] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/07/2023] [Accepted: 02/02/2024] [Indexed: 03/20/2024]
Abstract
Introduction: Aging studies in humans and mice have played a key role in understanding the intestinal microbiome and an increased abundance of "inflammaging" Gram-negative (Gn) bacteria. The mechanisms underlying this inflammatory profile in the aging microbiome are unknown. We tested the hypothesis that an aging-related decrease in colonic crypt epithelial cell anti-microbial peptide (AMP) gene expression could promote colonic microbiome inflammatory Gn dysbiosis and inflammaging. Methods: As a model of aging, C57BL/6J mice fecal (colonic) microbiota (16S) and isolated colonic crypt epithelial cell gene expression (RNA-seq) were assessed at 2 months (mth) (human: 18 years old; yo), 15 mth (human: 50 yo), and 25 mth (human: 84 yo). Informatics examined aging-related microbial compositions, differential colonic crypt epithelial cell gene expressions, and correlations between colonic bacteria and colonic crypt epithelial cell gene expressions. Results: Fecal microbiota exhibited significantly increased relative abundances of pro-inflammatory Gn bacteria with aging. Colonic crypt epithelial cell gene expression analysis showed significant age-related downregulation of key AMP genes that repress the growth of Gn bacteria. The aging-related decrease in AMP gene expressions is significantly correlated with an increased abundance in Gn bacteria (dysbiosis), loss of colonic barrier gene expression, and senescence- and inflammation-related gene expression. Conclusion: This study supports the proposed model that aging-related loss of colonic crypt epithelial cell AMP gene expression promotes increased relative abundances of Gn inflammaging-associated bacteria and gene expression markers of colonic inflammaging. These data may support new targets for aging-related therapies based on intestinal genes and microbiomes.
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Affiliation(s)
- Christopher B. Forsyth
- Department of Internal Medicine, Rush University Medical Center, Chicago, IL, United States
- Rush Center for Integrated Microbiome and Chronobiology Research, Rush University Medical Center, Chicago, IL, United States
- Department of Anatomy and Cell Biology, Rush University Medical Center, Chicago, IL, United States
| | - Maliha Shaikh
- Rush Center for Integrated Microbiome and Chronobiology Research, Rush University Medical Center, Chicago, IL, United States
| | - Phillip A. Engen
- Rush Center for Integrated Microbiome and Chronobiology Research, Rush University Medical Center, Chicago, IL, United States
| | - Fabian Preuss
- Department of Biological Sciences, University of Wisconsin Parkside, Kenosha, WI, United States
| | - Ankur Naqib
- Rush Center for Integrated Microbiome and Chronobiology Research, Rush University Medical Center, Chicago, IL, United States
- Genomics and Microbiome Core Facility, Rush University Medical Center, Chicago, IL, United States
| | - Breanna A. Palmen
- Department of Biological Sciences, University of Wisconsin Parkside, Kenosha, WI, United States
| | - Stefan J. Green
- Rush Center for Integrated Microbiome and Chronobiology Research, Rush University Medical Center, Chicago, IL, United States
- Genomics and Microbiome Core Facility, Rush University Medical Center, Chicago, IL, United States
| | - Lijuan Zhang
- Rush Center for Integrated Microbiome and Chronobiology Research, Rush University Medical Center, Chicago, IL, United States
| | - Zlata R. Bogin
- Rush Center for Integrated Microbiome and Chronobiology Research, Rush University Medical Center, Chicago, IL, United States
| | - Kristi Lawrence
- Rush Center for Integrated Microbiome and Chronobiology Research, Rush University Medical Center, Chicago, IL, United States
| | - Deepak Sharma
- Rush Center for Integrated Microbiome and Chronobiology Research, Rush University Medical Center, Chicago, IL, United States
| | - Garth R. Swanson
- Department of Internal Medicine, Rush University Medical Center, Chicago, IL, United States
- Rush Center for Integrated Microbiome and Chronobiology Research, Rush University Medical Center, Chicago, IL, United States
- Department of Anatomy and Cell Biology, Rush University Medical Center, Chicago, IL, United States
| | - Faraz Bishehsari
- Department of Internal Medicine, Rush University Medical Center, Chicago, IL, United States
- Rush Center for Integrated Microbiome and Chronobiology Research, Rush University Medical Center, Chicago, IL, United States
- Department of Anatomy and Cell Biology, Rush University Medical Center, Chicago, IL, United States
| | - Robin M. Voigt
- Department of Internal Medicine, Rush University Medical Center, Chicago, IL, United States
- Rush Center for Integrated Microbiome and Chronobiology Research, Rush University Medical Center, Chicago, IL, United States
- Department of Anatomy and Cell Biology, Rush University Medical Center, Chicago, IL, United States
| | - Ali Keshavarzian
- Department of Internal Medicine, Rush University Medical Center, Chicago, IL, United States
- Rush Center for Integrated Microbiome and Chronobiology Research, Rush University Medical Center, Chicago, IL, United States
- Department of Anatomy and Cell Biology, Rush University Medical Center, Chicago, IL, United States
- Department of Physiology, Rush University Medical Center, Chicago, IL, United States
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Liu XL, Duan Z, Yu M, Liu X. Epigenetic control of circadian clocks by environmental signals. Trends Cell Biol 2024:S0962-8924(24)00028-X. [PMID: 38423855 DOI: 10.1016/j.tcb.2024.02.005] [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: 12/14/2023] [Revised: 02/01/2024] [Accepted: 02/05/2024] [Indexed: 03/02/2024]
Abstract
Circadian clocks have evolved to enable organisms to respond to daily environmental changes. Maintaining a robust circadian rhythm under various perturbations and stresses is essential for the fitness of an organism. In the core circadian oscillator conserved in eukaryotes (from fungi to mammals), a negative feedback loop based on both transcription and translation drives circadian rhythms. The expression of circadian clock genes depends both on the binding of transcription activators at the promoter and on the chromatin state of the clock genes, and epigenetic modifications of chromatin are crucial for transcriptional regulation of circadian clock genes. Herein we review current knowledge of epigenetic regulation of circadian clock mechanisms and discuss how environmental cues can control clock gene expression by affecting chromatin states.
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Affiliation(s)
- Xiao-Lan Liu
- State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, 100101, China
| | - Zeyu Duan
- State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, 100101, China
| | - Muqun Yu
- State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, 100101, China
| | - Xiao Liu
- State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, 100101, China; College of Life Sciences, University of the Chinese Academy of Sciences, Beijing, 100049, China.
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Moreno-Cortés ML, Meza-Alvarado JE, García-Mena J, Hernández-Rodríguez A. Chronodisruption and Gut Microbiota: Triggering Glycemic Imbalance in People with Type 2 Diabetes. Nutrients 2024; 16:616. [PMID: 38474745 DOI: 10.3390/nu16050616] [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: 12/06/2023] [Revised: 01/27/2024] [Accepted: 01/28/2024] [Indexed: 03/14/2024] Open
Abstract
The desynchronization of physiological and behavioral mechanisms influences the gut microbiota and eating behavior in mammals, as shown in both rodents and humans, leading to the development of pathologies such as Type 2 diabetes (T2D), obesity, and metabolic syndrome. Recent studies propose resynchronization as a key input controlling metabolic cycles and contributing to reducing the risk of suffering some chronic diseases such as diabetes, obesity, or metabolic syndrome. In this analytical review, we present an overview of how desynchronization and its implications for the gut microbiome make people vulnerable to intestinal dysbiosis and consequent chronic diseases. In particular, we explore the eubiosis-dysbiosis phenomenon and, finally, propose some topics aimed at addressing chronotherapy as a key strategy in the prevention of chronic diseases.
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Affiliation(s)
- María Luisa Moreno-Cortés
- Laboratorio de Biomedicina, Instituto de Investigaciones Biológicas, Universidad Veracruzana, Xalapa 91190, Veracruz, Mexico
| | | | - Jaime García-Mena
- Departamento de Genética y Biología Molecular, Cinvestav, Av. Instituto Politécnico Nacional 2508, CDMX 07360, Mexico
| | - Azucena Hernández-Rodríguez
- Laboratorio de Biomedicina, Instituto de Investigaciones Biológicas, Universidad Veracruzana, Xalapa 91190, Veracruz, Mexico
- Facultad de Bioanálisis, Universidad Veracruzana, Xalapa 91010, Veracruz, Mexico
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dos Santos A, Galiè S. The Microbiota-Gut-Brain Axis in Metabolic Syndrome and Sleep Disorders: A Systematic Review. Nutrients 2024; 16:390. [PMID: 38337675 PMCID: PMC10857497 DOI: 10.3390/nu16030390] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2023] [Revised: 01/18/2024] [Accepted: 01/22/2024] [Indexed: 02/12/2024] Open
Abstract
BACKGROUND Over recent decades, a growing body of evidence has emerged linking the composition of the gut microbiota to sleep regulation. Interestingly, the prevalence of sleep disorders is commonly related to cardiometabolic comorbidities such as diabetes, impaired lipid metabolism, and metabolic syndrome (MetS). In this complex scenario, the role of the gut-brain axis as the main communicating pathway between gut microbiota and sleep regulation pathways in the brain reveals some common host-microbial biomarkers in both sleep disturbances and MetS. As the biological mechanisms behind this complex interacting network of neuroendocrine, immune, and metabolic pathways are not fully understood yet, the present systematic review aims to describe common microbial features between these two unrelated chronic conditions. RESULTS This systematic review highlights a total of 36 articles associating the gut microbial signature with MetS or sleep disorders. Specific emphasis is given to studies evaluating the effect of dietary patterns, dietary supplementation, and probiotics on MetS or sleep disturbances. CONCLUSIONS Dietary choices promote microbial composition and metabolites, causing both the amelioration and impairment of MetS and sleep homeostasis.
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Affiliation(s)
- Adriano dos Santos
- Integrative Medicine Nutrition Department, ADS Vitality B.V., 2517 AS The Hague, The Netherlands
| | - Serena Galiè
- Department of Experimental Oncology, European Institute of Oncology IRCCS, 20139 Milano, Italy;
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Luo W, Yin Z, Zhang M, Huang X, Yin J. Dietary Lactobacillus delbrueckii Affects Ileal Bacterial Composition and Circadian Rhythms in Pigs. Animals (Basel) 2024; 14:412. [PMID: 38338054 PMCID: PMC10854795 DOI: 10.3390/ani14030412] [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: 12/01/2023] [Revised: 01/11/2024] [Accepted: 01/22/2024] [Indexed: 02/12/2024] Open
Abstract
Intestinal bacteria, synchronized with diet and feeding time, exhibit circadian rhythms and anticipate host gut function; however the effect of dietary probiotics on gut bacterial diurnal rhythms remains obscure. In this study, bacteria were sequenced at 6 Zeitgeber times (ZT) from a pig model of ileal T-shaped fistula to test ileal bacterial composition and circadian rhythms after Lactobacillus delbrueckii administration. The results showed that dietary L. delbrueckii enhanced ileal bacterial α-diversity at Zeitgeber time (ZT) 16, evidenced by an increased Simpson index compared with control pigs. At the phylum level, Firmicutes was identified as the largest phyla represented in pigs, but dietary L. delbrueckii only increased the abundance of Tenericutes at ZT16. At the genus level, 11/100 genera (i.e., Lactobacillus, Enterococcus, Leptotrichia, Pediococcus, Bifidobacte, Cellulosilyticum, Desulfomicrobium, Sharpea, Eubacterium, Propionivibrio, and Aerococcus) were markedly differentiated in L. delbrueckii-fed pigs and the effect was rhythmicity-dependent. Meanwhile, dietary L. delbrueckii affected six pathways of bacterial functions, such as membrane transport, metabolism of cofactors and vitamins, cell motility, the endocrine system, signaling molecules and interaction, and the nervous system. Cosinor analysis was conducted to test bacterial circadian rhythm in pigs, while no significant circadian rhythm in bacterial α-diversity and phyla composition was observed. Lactobacillus, Terrisporobacter, and Weissella exhibited significant rhythmic fluctuation in the control pigs, which was disturbed by probiotic exposure. In addition, dietary L. delbrueckii affected circadian rhythms in ileal Romboutsia, Erysipelatoclostridium, Cellulosilyticum, and Eubacterium abundances. Dietary L. delbrueckii affected both ileal bacterial composition and circadian rhythms, which might further regulate gut function and host metabolism in pigs.
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Affiliation(s)
- Wenxin Luo
- College of Animal Science and Technology, Hunan Agricultural University, Changsha 410128, China; (W.L.); (Z.Y.); (M.Z.); (X.H.)
- Hunan Biological and Electromechanical Polytechnic, Changsha 410125, China
| | - Zhangzheng Yin
- College of Animal Science and Technology, Hunan Agricultural University, Changsha 410128, China; (W.L.); (Z.Y.); (M.Z.); (X.H.)
| | - Mingliang Zhang
- College of Animal Science and Technology, Hunan Agricultural University, Changsha 410128, China; (W.L.); (Z.Y.); (M.Z.); (X.H.)
| | - Xingguo Huang
- College of Animal Science and Technology, Hunan Agricultural University, Changsha 410128, China; (W.L.); (Z.Y.); (M.Z.); (X.H.)
| | - Jie Yin
- College of Animal Science and Technology, Hunan Agricultural University, Changsha 410128, China; (W.L.); (Z.Y.); (M.Z.); (X.H.)
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Zhao Y, Ma XM, Ren M, Liu H, Duan HL, Liu XL, Gao ZS, Ma YL. Central blockage of sympathetic nerves inhibits the abnormal vital signs and disturbance of the gut microbiota caused by continuous light exposure. Heliyon 2024; 10:e22742. [PMID: 38192835 PMCID: PMC10772574 DOI: 10.1016/j.heliyon.2023.e22742] [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: 11/07/2022] [Revised: 10/06/2023] [Accepted: 11/17/2023] [Indexed: 01/10/2024] Open
Abstract
Background Continuous light exposure increases sympathetic excitation in rats, leading to hypertension, left ventricular hypertrophy, and fibrosis. This study was aimed to investigate whether continuous light exposure causes destabilization of vital signs and gut microbiota (GM) in Sprague Dawley (SD) rats and whether clonidine hydrochloride (CH), a central sympathetic depressant drug, could prevent these changes. Methods Eight-week-old male SD rats were divided into three groups with different interventions for 14 weeks: control group (CG), 2-mL pure water gavaged daily while on a normal 12-h light/dark cycle; continuous illumination group (CI), 2-mL pure water gavaged daily while receiving continuous exposure to light (300 lx); and drug administration group (DA), CH (10 μg/kg) gavaged daily while receiving continuous exposure to light (300 lx). Results The results showed that blood pressure, heart rate, and body weight were significantly higher in the CI group than in the CG and DA groups (P < 0.05). Moreover, the Shannon index was higher in the DA group than in the CI group (P = 0.012). The beta diversity index in the CG group was significantly higher in the CI group (P = 0.039). The pairwise comparison results of the linear discriminant analysis effect size showed that Oscillospirales were enriched in the DA group, whereas the Prevotellaceae lineage (family level) > Prevotella (genus level) > Prevotellaceae_bacterium (species level) were enriched in the CI group. The Muribaculaceae family was more abundant in the CG group than in the CI group. Conclusion Sympathetic nerve inhibition restored the abnormal vital signs and GM changes under continuous light exposure.
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Affiliation(s)
- Yi Zhao
- Qinghai University, Xining 810001, China
| | - Xu-ming Ma
- Department of Cardiology, Gansu Provincial Hospital, Lanzhou, Gansu 730000, China
| | - Ming Ren
- Department of Cardiology, Affiliated Hospital of Qinghai University, Xining, Qinghai 810001, China
| | - Huiqin Liu
- Department of Cardiology, Affiliated Hospital of Qinghai University, Xining, Qinghai 810001, China
| | | | | | | | - Yu-lan Ma
- Qinghai Cardio-Cerebrovascular Specialty Hospital, Qinghai High Altitude Medical Research Institute, Xining, 810012, China
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Huang CH, Yu S, Yu HS, Tu HP, Yeh YT, Yu HS. Chronic blue light-emitting diode exposure harvests gut dysbiosis related to cholesterol dysregulation. Front Cell Infect Microbiol 2024; 13:1320713. [PMID: 38259967 PMCID: PMC10800827 DOI: 10.3389/fcimb.2023.1320713] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2023] [Accepted: 12/12/2023] [Indexed: 01/24/2024] Open
Abstract
Night shift workers have been associated with circadian dysregulation and metabolic disorders, which are tightly coevolved with gut microbiota. The chronic impacts of light-emitting diode (LED) lighting at night on gut microbiota and serum lipids were investigated. Male C57BL/6 mice were exposed to blue or white LED lighting at Zeitgeber time 13.5-14 (ZT; ZT0 is the onset of "lights on" and ZT12 is the "lights off" onset under 12-hour light, 12-hour dark schedule). After 33 weeks, only the high irradiance (7.2 J/cm2) of blue LED light reduced the alpha diversity of gut microbiota. The high irradiance of white LED light and the low irradiance (3.6 J/cm2) of both lights did not change microbial alpha diversity. However, the low irradiance, but not the high one, of both blue and white LED illuminations significantly increased serum total cholesterol (TCHO), but not triglyceride (TG). There was no significant difference of microbial abundance between two lights. The ratio of beneficial to harmful bacteria decreased at a low irradiance but increased at a high irradiance of blue light. Notably, this ratio was negatively correlated with serum TCHO but positively correlated with bile acid biosynthesis pathway. Therefore, chronic blue LED lighting at a high irradiance may harvest gut dysbiosis in association with decreased alpha diversity and the ratio of beneficial to harmful bacteria to specifically dysregulates TCHO metabolism in mice. Night shift workers are recommended to be avoid of blue LED lighting for a long and lasting time.
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Affiliation(s)
- Cheng-Hsieh Huang
- Ph. D. Program in Environmental and Occupational Medicine, College of Medicine, Kaohsiung Medical University and National Health Research Institutes, Kaohsiung, Taiwan
- Aging and Disease Prevention Research Center, Fooyin University, Kaohsiung, Taiwan
| | - Sebastian Yu
- Department of Dermatology, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Hsu-Sheng Yu
- Department of Food Science, National Pingtung University of Science and Technology, Pingtung, Taiwan
| | - Hung-Pin Tu
- Department of Public Health and Environmental Medicine, School of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Yao-Tsung Yeh
- Aging and Disease Prevention Research Center, Fooyin University, Kaohsiung, Taiwan
- Department of Medical Laboratory Sciences and Biotechnology, Fooyin University, Kaohsiung, Taiwan
| | - Hsin-Su Yu
- National Institute of Environmental Health Sciences, National Health Research Institutes, Miaoli, Taiwan
- Graduate Institute of Clinical Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
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Kazemian N, Zhou T, Chalasani N, Narayan A, Cedeño Laurent JG, Olvera Alvarez HA, Pakpour S. Long-Term Impact of Childhood Adversity on the Gut Microbiome of Nursing Students. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2024; 21:68. [PMID: 38248533 PMCID: PMC10815413 DOI: 10.3390/ijerph21010068] [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: 11/16/2023] [Revised: 12/29/2023] [Accepted: 01/05/2024] [Indexed: 01/23/2024]
Abstract
Adverse childhood experiences (ACEs) encompass negative, stressful, and potentially traumatic events during childhood, impacting physical and mental health outcomes in adulthood. Limited studies suggest ACEs can have short-term effects on children's gut microbiomes and adult cognitive performance under stress. Nevertheless, the long-term effects of ACEs experienced during adulthood remain unexplored. Thus, this study aimed to assess the long-term effects of ACEs on the gut microbiota of adult nursing students. We employed a multidimensional approach, combining 16S rRNA sequencing, bioinformatics tools, and machine learning to predict functional capabilities. High-ACE individuals had an increased abundance of Butyricimonas spp. and Prevotella spp. and decreased levels of Clostridiales, and Lachnospira spp. Prevotella abundance correlated negatively with L-glutamate and L-glutamine biosynthesis, potentially impacting intestinal tissue integrity. While nursing students with high ACE reported increased depression, evidence for a direct gut microbiota-depression relationship was inconclusive. High-ACE individuals also experienced a higher prevalence of diarrhea. These findings highlight the long-lasting impact of ACEs on the gut microbiota and its functions in adulthood, particularly among nursing students. Further research is warranted to develop targeted interventions and strategies for healthcare professionals, optimizing overall health outcomes.
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Affiliation(s)
- Negin Kazemian
- School of Engineering, University of British Columbia, Kelowna, BC V1V 1V7, Canada;
| | - Tony Zhou
- Department of Computer Science, University of British Columbia, Kelowna, BC V1V 1V7, Canada; (T.Z.); (N.C.); (A.N.)
| | - Naveen Chalasani
- Department of Computer Science, University of British Columbia, Kelowna, BC V1V 1V7, Canada; (T.Z.); (N.C.); (A.N.)
| | - Apurva Narayan
- Department of Computer Science, University of British Columbia, Kelowna, BC V1V 1V7, Canada; (T.Z.); (N.C.); (A.N.)
- Department of Computer Science, University of Western Ontario, 1151 Richmond St., London, ON N6A 3K7, Canada
- Department of Electrical and Computer Engineering, University of Western Ontario, 1151 Richmond St., London, ON N6A 3K7, Canada
| | - Jose Guillermo Cedeño Laurent
- Department of Environmental Health, Harvard T.H. Chan School of Public Health, Boston, MA 02115, USA;
- Department of Environmental and Occupational Health and Justice, Rutgers School of Public Health, Piscataway, NJ 08854, USA
| | | | - Sepideh Pakpour
- School of Engineering, University of British Columbia, Kelowna, BC V1V 1V7, Canada;
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Wheeler R, Gomperts Boneca I. The hidden base of the iceberg: gut peptidoglycome dynamics is foundational to its influence on the host. Gut Microbes 2024; 16:2395099. [PMID: 39239828 PMCID: PMC11382707 DOI: 10.1080/19490976.2024.2395099] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/21/2023] [Revised: 07/01/2024] [Accepted: 08/16/2024] [Indexed: 09/07/2024] Open
Abstract
The intestinal microbiota of humans includes a highly diverse range of bacterial species. All these bacteria possess a cell wall, composed primarily of the macromolecule peptidoglycan. As such, the gut also harbors an abundant and varied peptidoglycome. A remarkable range of host physiological pathways are regulated by peptidoglycan fragments that originate from the gut microbiota and enter the host system. Interactions between the host system and peptidoglycan can influence physiological development and homeostasis, promote health, or contribute to inflammatory disease. Underlying these effects is the interplay between microbiota composition and enzymatic processes that shape the intestinal peptidoglycome, dictating the types of peptidoglycan generated, that subsequently cross the gut barrier. In this review, we highlight and discuss the hidden and emerging functional aspects of the microbiome, i.e. the hidden base of the iceberg, that modulate the composition of gut peptidoglycan, and how these fundamental processes are drivers of physiological outcomes for the host.
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Affiliation(s)
- Richard Wheeler
- Institut Pasteur, Université Paris Cité, Paris, France
- Hauts-de-Seine, Arthritis Research and Development, Neuilly-sur-Seine, France
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Coutry N, Gasmi I, Herbert F, Jay P. Mechanisms of intestinal dysbiosis: new insights into tuft cell functions. Gut Microbes 2024; 16:2379624. [PMID: 39042424 PMCID: PMC11268228 DOI: 10.1080/19490976.2024.2379624] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/18/2023] [Accepted: 07/08/2024] [Indexed: 07/24/2024] Open
Abstract
Symbiosis between the host and intestinal microbial communities is essential for human health. Disruption in this symbiosis is linked to gastrointestinal diseases, including inflammatory bowel diseases, as well as extra-gastrointestinal diseases. Unbalanced gut microbiome or gut dysbiosis contributes in multiple ways to disease frequency, severity and progression. Microbiome taxonomic profiling and metabolomics approaches greatly improved our understanding of gut dysbiosis features; however, the precise mechanisms involved in gut dysbiosis establishment still need to be clarified. The aim of this review is to present new actors and mechanisms underlying gut dysbiosis formation following parasitic infection or in a context of altered Paneth cells, revealing the existence of a critical crosstalk between Paneth and tuft cells to control microbiome composition.
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Affiliation(s)
- Nathalie Coutry
- Institute of Functional Genomics (IGF), University of Montpellier, CNRS, Inserm, Montpellier, France
| | - Imène Gasmi
- Institute of Functional Genomics (IGF), University of Montpellier, CNRS, Inserm, Montpellier, France
| | - Fabien Herbert
- Institute of Functional Genomics (IGF), University of Montpellier, CNRS, Inserm, Montpellier, France
| | - Philippe Jay
- Institute of Functional Genomics (IGF), University of Montpellier, CNRS, Inserm, Montpellier, France
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Zhou HB, Lu SZ, Yu ZS, Zhang JL, Mei ZN. Mechanisms for the biological activity of Gastrodia elata Blume and its constituents: A comprehensive review on sedative-hypnotic, and antidepressant properties. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2024; 123:155251. [PMID: 38056151 DOI: 10.1016/j.phymed.2023.155251] [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: 09/21/2023] [Revised: 11/15/2023] [Accepted: 11/27/2023] [Indexed: 12/08/2023]
Abstract
BACKGROUND Insomnia and depressive disorder are two common symptoms with a reciprocal causal relationship in clinical practice, which are usually manifested in comorbid form. Several medications have been widely used in the treatment of insomnia and depression, but most of these drugs show non-negligible side effects. Currently, many treatments are indicated for insomnia and depressive symptom, including Chinese herbal medicine such as Gastrodia elata Blume (G. elata), which has excellent sedative-hypnotic and antidepressant effects in clinical and animal studies. PURPOSE To summarize the mechanisms of insomnia and depression and the structure-activity mechanism for G. elata to alleviate these symptoms, particularly by hypothalamic-pituitary-adrenal (HPA) axis and intestinal flora, aiming to discover new approaches for the treatment of insomnia and depression. METHODS The following electronic databases were searched from the beginning to November 2023: PubMed, Web of Science, Google Scholar, Wanfang Database, and CNKI. The following keywords of G. elata were used truncated with other relevant topic terms, such as depression, insomnia, antidepressant, sedative-hypnotic, neuroprotection, application, safety, and toxicity. RESULTS Natural compounds derived from G. elata could alleviate insomnia and depressive disorder, which is involved in monoamine neurotransmitters, inflammatory response, oxidative stress, and gut microbes, etc. Several clinical trials showed that G. elata-derived natural compounds that treat depression and insomnia have significant and safe therapeutic effects, but further well-designed clinical and toxicological studies are needed. CONCLUSION G. elata exerts a critical role in treating depression and insomnia due to its multi-targeting properties and fewer side effects. However, more clinical and toxicological studies should be performed to further explore the sedative-hypnotic and antidepressant mechanisms of G. elata and provide more evidence and recommendations for its clinical application. Our review provides an overview of G. elata treating insomnia with depression for future research direction.
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Affiliation(s)
- Hai-Bo Zhou
- College of Food Science and Technology, Huazhong Agricultural University, No.1, Shizishan Street, Hongshan District, Wuhan, Hubei Province 430070, China
| | - Sheng-Ze Lu
- College of Food Science and Technology, Huazhong Agricultural University, No.1, Shizishan Street, Hongshan District, Wuhan, Hubei Province 430070, China
| | - Zhong-Shun Yu
- College of Food Science and Technology, Huazhong Agricultural University, No.1, Shizishan Street, Hongshan District, Wuhan, Hubei Province 430070, China
| | - Jiu-Liang Zhang
- College of Food Science and Technology, Huazhong Agricultural University, No.1, Shizishan Street, Hongshan District, Wuhan, Hubei Province 430070, China; Key Laboratory of Environment Correlative Dietology, Ministry of Education, Wuhan, 430070, China.
| | - Zhi-Nan Mei
- College of Plant Science & Technology, Huazhong Agricultural University, Wuhan, 430070, China.
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Ontai-Brenning A, Hamchand R, Crawford JM, Goodman AL. Gut microbes modulate (p)ppGpp during a time-restricted feeding regimen. mBio 2023; 14:e0190723. [PMID: 37971266 PMCID: PMC10746209 DOI: 10.1128/mbio.01907-23] [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: 07/25/2023] [Accepted: 10/09/2023] [Indexed: 11/19/2023] Open
Abstract
IMPORTANCE Mammals do not eat continuously, instead concentrating their feeding to a restricted portion of the day. This behavior presents the mammalian gut microbiota with a fluctuating environment with consequences for host-microbiome interaction, infection risk, immune response, drug metabolism, and other aspects of health. We demonstrate that in mice, gut microbes elevate levels of an intracellular signaling molecule, (p)ppGpp, during the fasting phase of a time-restricted feeding regimen. Disabling this response in a representative human gut commensal species significantly reduces colonization during this host-fasting phase. This response appears to be general across species and conserved across mammalian gut communities, highlighting a pathway that allows healthy gut microbiomes to maintain stability in an unstable environment.
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Affiliation(s)
- Amy Ontai-Brenning
- Microbial Sciences Institute, Yale University, West Haven, Connecticut, USA
- Department of Microbial Pathogenesis, Yale University School of Medicine, New Haven, Connecticut, USA
| | - Randy Hamchand
- Department of Chemistry, Yale University, New Haven, Connecticut, USA
- Institute of Biomolecular Design & Discovery, Yale University, West Haven, Connecticut, USA
| | - Jason M. Crawford
- Department of Microbial Pathogenesis, Yale University School of Medicine, New Haven, Connecticut, USA
- Department of Chemistry, Yale University, New Haven, Connecticut, USA
- Institute of Biomolecular Design & Discovery, Yale University, West Haven, Connecticut, USA
| | - Andrew L. Goodman
- Microbial Sciences Institute, Yale University, West Haven, Connecticut, USA
- Department of Microbial Pathogenesis, Yale University School of Medicine, New Haven, Connecticut, USA
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Galaz J, Romero R, Greenberg JM, Theis KR, Arenas-Hernandez M, Xu Y, Farias-Jofre M, Miller D, Kanninen T, Garcia-Flores V, Gomez-Lopez N. Host-microbiome interactions in distinct subsets of preterm labor and birth. iScience 2023; 26:108341. [PMID: 38047079 PMCID: PMC10692673 DOI: 10.1016/j.isci.2023.108341] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2023] [Revised: 09/06/2023] [Accepted: 10/23/2023] [Indexed: 12/05/2023] Open
Abstract
Preterm birth, the leading cause of perinatal morbidity, often follows premature labor, a syndrome whose prevention remains a challenge. To better understand the relationship between premature labor and host-microbiome interactions, we conducted a mechanistic investigation using three preterm birth models. We report that intra-amniotic delivery of LPS triggers inflammatory responses in the amniotic cavity and cervico-vaginal microenvironment, causing vaginal microbiome changes and signs of active labor. Intra-amniotic IL-1α delivery causes a moderate inflammatory response in the amniotic cavity but increasing inflammation in the cervico-vaginal space, leading to vaginal microbiome disruption and signs of active labor. Conversely, progesterone action blockade by RU-486 triggers local immune responses accompanying signs of active labor without altering the vaginal microbiome. Preterm labor facilitates ascension of cervico-vaginal bacteria into the amniotic cavity, regardless of stimulus. This study provides compelling mechanistic insights into the dynamic host-microbiome interactions within the cervico-vaginal microenvironment that accompany premature labor and birth.
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Affiliation(s)
- Jose Galaz
- Pregnancy Research Branch, Division of Obstetrics and Maternal-Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, U.S. Department of Health and Human Services (NICHD/NIH/DHHS), Bethesda, MD 20892, USA
- Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Detroit, MI 48201, USA
- Division of Obstetrics and Gynecology, School of Medicine, Faculty of Medicine, Pontificia Universidad Catolica de Chile, Santiago 8330024, Chile
| | - Roberto Romero
- Pregnancy Research Branch, Division of Obstetrics and Maternal-Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, U.S. Department of Health and Human Services (NICHD/NIH/DHHS), Bethesda, MD 20892, USA
- Department of Obstetrics and Gynecology, University of Michigan, Ann Arbor, MI 48109, USA
- Department of Epidemiology and Biostatistics, Michigan State University, East Lansing, MI 48824, USA
| | - Jonathan M. Greenberg
- Pregnancy Research Branch, Division of Obstetrics and Maternal-Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, U.S. Department of Health and Human Services (NICHD/NIH/DHHS), Bethesda, MD 20892, USA
- Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Detroit, MI 48201, USA
| | - Kevin R. Theis
- Pregnancy Research Branch, Division of Obstetrics and Maternal-Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, U.S. Department of Health and Human Services (NICHD/NIH/DHHS), Bethesda, MD 20892, USA
- Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Detroit, MI 48201, USA
- Department of Biochemistry, Microbiology, and Immunology, Wayne State University School of Medicine, Detroit, MI 48201, USA
| | - Marcia Arenas-Hernandez
- Pregnancy Research Branch, Division of Obstetrics and Maternal-Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, U.S. Department of Health and Human Services (NICHD/NIH/DHHS), Bethesda, MD 20892, USA
- Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Detroit, MI 48201, USA
| | - Yi Xu
- Pregnancy Research Branch, Division of Obstetrics and Maternal-Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, U.S. Department of Health and Human Services (NICHD/NIH/DHHS), Bethesda, MD 20892, USA
- Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Detroit, MI 48201, USA
| | - Marcelo Farias-Jofre
- Pregnancy Research Branch, Division of Obstetrics and Maternal-Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, U.S. Department of Health and Human Services (NICHD/NIH/DHHS), Bethesda, MD 20892, USA
- Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Detroit, MI 48201, USA
- Division of Obstetrics and Gynecology, School of Medicine, Faculty of Medicine, Pontificia Universidad Catolica de Chile, Santiago 8330024, Chile
| | - Derek Miller
- Pregnancy Research Branch, Division of Obstetrics and Maternal-Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, U.S. Department of Health and Human Services (NICHD/NIH/DHHS), Bethesda, MD 20892, USA
- Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Detroit, MI 48201, USA
- Department of Obstetrics and Gynecology, Washington University School of Medicine, St. Louis, MO 63110, USA
| | - Tomi Kanninen
- Pregnancy Research Branch, Division of Obstetrics and Maternal-Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, U.S. Department of Health and Human Services (NICHD/NIH/DHHS), Bethesda, MD 20892, USA
- Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Detroit, MI 48201, USA
| | - Valeria Garcia-Flores
- Pregnancy Research Branch, Division of Obstetrics and Maternal-Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, U.S. Department of Health and Human Services (NICHD/NIH/DHHS), Bethesda, MD 20892, USA
- Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Detroit, MI 48201, USA
- Department of Obstetrics and Gynecology, Washington University School of Medicine, St. Louis, MO 63110, USA
| | - Nardhy Gomez-Lopez
- Pregnancy Research Branch, Division of Obstetrics and Maternal-Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, U.S. Department of Health and Human Services (NICHD/NIH/DHHS), Bethesda, MD 20892, USA
- Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Detroit, MI 48201, USA
- Department of Biochemistry, Microbiology, and Immunology, Wayne State University School of Medicine, Detroit, MI 48201, USA
- Department of Obstetrics and Gynecology, Washington University School of Medicine, St. Louis, MO 63110, USA
- Center for Molecular Medicine and Genetics, Wayne State University, Detroit, MI 48201, USA
- Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, MO 63110, USA
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Ehichioya DE, Taufique SKT, Magaña I, Farah S, Obata Y, Yamazaki S. Gut microbiota depletion minimally affects the daily voluntary wheel running activity and food anticipatory activity in female and male C57BL/6J mice. Front Physiol 2023; 14:1299474. [PMID: 38107475 PMCID: PMC10722266 DOI: 10.3389/fphys.2023.1299474] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2023] [Accepted: 11/13/2023] [Indexed: 12/19/2023] Open
Abstract
Emerging evidence has highlighted that the gut microbiota plays a critical role in the regulation of various aspects of mammalian physiology and behavior, including circadian rhythms. Circadian rhythms are fundamental behavioral and physiological processes that are governed by circadian pacemakers in the brain. Since mice are nocturnal, voluntary wheel running activity mostly occurs at night. This nocturnal wheel-running activity is driven by the primary circadian pacemaker located in the suprachiasmatic nucleus (SCN). Food anticipatory activity (FAA) is the increased bout of locomotor activity that precedes the scheduled short duration of a daily meal. FAA is controlled by the food-entrainable oscillator (FEO) located outside of the SCN. Several studies have shown that germ-free mice and mice with gut microbiota depletion altered those circadian behavioral rhythms. Therefore, this study was designed to test if the gut microbiota is involved in voluntary wheel running activity and FAA expression. To deplete gut microbiota, C57BL/6J wildtype mice were administered an antibiotic cocktail via their drinking water throughout the experiment. The effect of antibiotic cocktail treatment on wheel running activity rhythm in both female and male mice was not detectable with the sample size in our current study. Then mice were exposed to timed restricted feeding during the day. Both female and male mice treated with antibiotics exhibited normal FAA which was comparable with the FAA observed in the control group. Those results suggest that gut microbiota depletion has minimum effect on both circadian behavioral rhythms controlled by the SCN and FEO respectively. Our result contradicts recently published studies that reported significantly higher FAA levels in germ-free mice compared to their control counterparts and gut microbiota depletion significantly reduced voluntary activity by 50%.
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Affiliation(s)
- David E. Ehichioya
- Department of Neuroscience, UT Southwestern Medical Center, Dallas, TX, United States
| | | | - Isabel Magaña
- Department of Immunology, UT Southwestern Medical Center, Dallas, TX, United States
| | - Sofia Farah
- Department of Neuroscience, UT Southwestern Medical Center, Dallas, TX, United States
| | - Yuuki Obata
- Department of Neuroscience, UT Southwestern Medical Center, Dallas, TX, United States
- Department of Immunology, UT Southwestern Medical Center, Dallas, TX, United States
- Peter O’Donnell Jr. Brain Institute, UT Southwestern Medical Center, Dallas, TX, United States
| | - Shin Yamazaki
- Department of Neuroscience, UT Southwestern Medical Center, Dallas, TX, United States
- Peter O’Donnell Jr. Brain Institute, UT Southwestern Medical Center, Dallas, TX, United States
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Dhivahar J, Parthasarathy A, Krishnan K, Kovi BS, Pandian GN. Bat-associated microbes: Opportunities and perils, an overview. Heliyon 2023; 9:e22351. [PMID: 38125540 PMCID: PMC10730444 DOI: 10.1016/j.heliyon.2023.e22351] [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: 07/14/2022] [Revised: 09/21/2023] [Accepted: 11/09/2023] [Indexed: 12/23/2023] Open
Abstract
The potential biotechnological uses of bat-associated bacteria are discussed briefly, indicating avenues for biotechnological applications of bat-associated microbes. The uniqueness of bats in terms of their lifestyle, genomes and molecular immunology may predispose bats to act as disease reservoirs. Molecular phylogenetic analysis has shown several instances of bats harbouring the ancestral lineages of bacterial (Bartonella), protozoal (Plasmodium, Trypanosoma cruzi) and viral (SARS-CoV2) pathogens infecting humans. Along with the transmission of viruses from bats, we also discuss the potential roles of bat-associated bacteria, fungi, and protozoan parasites in emerging diseases. Current evidence suggests that environmental changes and interactions between wildlife, livestock, and humans contribute to the spill-over of infectious agents from bats to other hosts. Domestic animals including livestock may act as intermediate amplifying hosts for bat-origin pathogens to transmit to humans. An increasing number of studies investigating bat pathogen diversity and infection dynamics have been published. However, whether or how these infectious agents are transmitted both within bat populations and to other hosts, including humans, often remains unknown. Metagenomic approaches are uncovering the dynamics and distribution of potential pathogens in bat microbiomes, which might improve the understanding of disease emergence and transmission. Here, we summarize the current knowledge on bat zoonoses of public health concern and flag the gaps in the knowledge to enable further research and allocation of resources for tackling future outbreaks.
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Affiliation(s)
- J. Dhivahar
- Research Department of Zoology, St. Johns College, Palayamkottai, 627002, India
- Department of Plant Biology and Biotechnology, Laboratory of Microbial Ecology, Loyola College, Chennai, 600034, India
- Department of Biotechnology, Laboratory of Virology, University of Madras, Chennai, 600025, India
| | - Anutthaman Parthasarathy
- Department of Chemistry and Biosciences, Richmond Building, University of Bradford, Bradford, West Yorkshire, BD7 1DP, United Kingdom
| | - Kathiravan Krishnan
- Department of Biotechnology, Laboratory of Virology, University of Madras, Chennai, 600025, India
| | - Basavaraj S. Kovi
- Institute for Integrated Cell-Material Sciences (WPI-iCeMS), Yoshida Ushinomiyacho, 69, Sakyo Ward, 606-8501, Kyoto, Japan
| | - Ganesh N. Pandian
- Institute for Integrated Cell-Material Sciences (WPI-iCeMS), Yoshida Ushinomiyacho, 69, Sakyo Ward, 606-8501, Kyoto, Japan
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Waldbaum JD, Xhumari J, Akinsuyi OS, Arjmandi B, Anton S, Roesch LFW. Association between Dysbiosis in the Gut Microbiota of Primary Osteoporosis Patients and Bone Loss. Aging Dis 2023; 14:2081-2095. [PMID: 37199579 PMCID: PMC10676803 DOI: 10.14336/ad.2023.0425] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2023] [Accepted: 04/25/2023] [Indexed: 05/19/2023] Open
Abstract
In recent decades, gut microbiome research has experienced significant growth, driven by technological advances that enable quantifying bacterial taxa with greater precision. Age, diet, and living environment have emerged as three key factors influencing gut microbes. Dysbiosis, resulting from alterations in these factors, may lead to changes in bacterial metabolites that regulate pro- and anti-inflammatory processes and consequently impact bone health. Restoration of a healthy microbiome signature could mitigate inflammation and potentially reduce bone loss associated with osteoporosis or experienced by astronauts during spaceflight. However, current research is hindered by contradictory findings, insufficient sample sizes, and inconsistency in experimental conditions and controls. Despite progress in sequencing technology, defining a healthy gut microbiome across global populations remains elusive. Challenges persist in identifying accurate gut bacterial metabolics, specific taxa, and their effects on host physiology. We suggest greater attention be directed towards this issue in Western countries as the cost of treating osteoporosis in the United States reaches billions of dollars annually, with expenses projected to continue rising.
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Affiliation(s)
- Julien D.H. Waldbaum
- Department of Microbiology and Cell Science, College of Agriculture and Life Sciences, University of Florida, Florida, USA.
| | - Jessica Xhumari
- Department of Microbiology and Cell Science, College of Agriculture and Life Sciences, University of Florida, Florida, USA.
| | - Oluwamayowa S. Akinsuyi
- Department of Microbiology and Cell Science, College of Agriculture and Life Sciences, University of Florida, Florida, USA.
| | - Bahram Arjmandi
- Department of Nutrition and Integrative Physiology, College of Health and Human Sciences, Florida State University, Florida, USA.
| | - Stephen Anton
- Department of Physiology and Aging, College of Public Health and Health Professions, College of Medicine, University of Florida, Florida, USA.
| | - Luiz Fernando Wurdig Roesch
- Department of Microbiology and Cell Science, College of Agriculture and Life Sciences, University of Florida, Florida, USA.
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Wang Y, Du W, Hu X, Yu X, Guo C, Jin X, Wang W. Targeting the blood-brain barrier to delay aging-accompanied neurological diseases by modulating gut microbiota, circadian rhythms, and their interplays. Acta Pharm Sin B 2023; 13:4667-4687. [PMID: 38045038 PMCID: PMC10692395 DOI: 10.1016/j.apsb.2023.08.009] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2023] [Revised: 07/05/2023] [Accepted: 08/02/2023] [Indexed: 12/05/2023] Open
Abstract
The blood-brain barrier (BBB) impairment plays a crucial role in the pathological processes of aging-accompanied neurological diseases (AAND). Meanwhile, circadian rhythms disruption and gut microbiota dysbiosis are associated with increased morbidity of neurological diseases in the accelerated aging population. Importantly, circadian rhythms disruption and gut microbiota dysbiosis are also known to induce the generation of toxic metabolites and pro-inflammatory cytokines, resulting in disruption of BBB integrity. Collectively, this provides a new perspective for exploring the relationship among circadian rhythms, gut microbes, and the BBB in aging-accompanied neurological diseases. In this review, we focus on recent advances in the interplay between circadian rhythm disturbances and gut microbiota dysbiosis, and their potential roles in the BBB disruption that occurs in AAND. Based on existing literature, we discuss and propose potential mechanisms underlying BBB damage induced by dysregulated circadian rhythms and gut microbiota, which would serve as the basis for developing potential interventions to protect the BBB in the aging population through targeting the BBB by exploiting its links with gut microbiota and circadian rhythms for treating AAND.
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Affiliation(s)
- Yanping Wang
- Department of Neurology, the Second Affiliated Hospital of Jiaxing City, Jiaxing 314000, China
| | - Weihong Du
- Beijing Key Laboratory of Cancer Invasion and Metastasis Research, Department of Histology and Embryology, School of Basic Medical Sciences, Advanced Innovation Center for Human Brain Protection, Capital Medical University, Beijing 100069, China
| | - Xiaoyan Hu
- Beijing Key Laboratory of Cancer Invasion and Metastasis Research, Department of Histology and Embryology, School of Basic Medical Sciences, Advanced Innovation Center for Human Brain Protection, Capital Medical University, Beijing 100069, China
| | - Xin Yu
- Bengbu Medical College (Department of Neurology, the Second Hospital of Jiaxing City), Jiaxing 233030, China
| | - Chun Guo
- School of Biosciences, University of Sheffield, Sheffield S10 2TN, UK
| | - Xinchun Jin
- Beijing Key Laboratory of Cancer Invasion and Metastasis Research, Department of Histology and Embryology, School of Basic Medical Sciences, Advanced Innovation Center for Human Brain Protection, Capital Medical University, Beijing 100069, China
| | - Wei Wang
- Department of Physiology and Pathophysiology, Capital Medical University, Beijing 100069, China
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