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Chen LA, Boyle K. The Role of the Gut Microbiome in Health and Disease in the Elderly. Curr Gastroenterol Rep 2024:10.1007/s11894-024-00932-w. [PMID: 38642272 DOI: 10.1007/s11894-024-00932-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/05/2024] [Indexed: 04/22/2024]
Abstract
PURPOSE OF REVIEW Growing evidence supports the contribution of age in the composition and function of the gut microbiome, with specific findings associated with health in old age and longevity. RECENT FINDINGS Current studies have associated certain microbiota, such as Butyricimonas, Akkermansia, and Odoribacter, with healthy aging and the ability to survive into extreme old age. Furthermore, emerging clinical and pre-clinical research have shown promising mechanisms for restoring a healthy microbiome in elderly populations through various interventions such as fecal microbiota transplant (FMT), dietary interventions, and exercise programs. Despite several conceptually exciting interventional studies, the field of microbiome research in the elderly remains limited. Specifically, large longitudinal studies are needed to better understand causative relationships between the microbiome and healthy aging. Additionally, individualized approaches to microbiome interventions based on patients' co-morbidities and the underlying functional capacity of their microbiomes are needed to achieve optimal results.
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Affiliation(s)
- Lea Ann Chen
- Division of Gastroenterology and Hepatology, Department of Medicine, Rutgers, New Brunswick, NJ, USA.
| | - Kaitlyn Boyle
- Rutgers Robert Wood Johnson Medical School, New Brunswick, NJ, USA
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2
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Luo R, Guan A, Ma B, Gao Y, Peng Y, He Y, Xu Q, Li K, Zhong Y, Luo R, Cao R, Jin H, Lin Y, Shang P. Developmental Dynamics of the Gut Virome in Tibetan Pigs at High Altitude: A Metagenomic Perspective across Age Groups. Viruses 2024; 16:606. [PMID: 38675947 PMCID: PMC11054254 DOI: 10.3390/v16040606] [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: 03/01/2024] [Revised: 04/08/2024] [Accepted: 04/10/2024] [Indexed: 04/28/2024] Open
Abstract
Tibetan pig is a geographically isolated pig breed that inhabits high-altitude areas of the Qinghai-Tibetan plateau. At present, there is limited research on viral diseases in Tibetan pigs. This study provides a novel metagenomic exploration of the gut virome in Tibetan pigs (altitude ≈ 3000 m) across three critical developmental stages, including lactation, nursery, and fattening. The composition of viral communities in the Tibetan pig intestine, with a dominant presence of Microviridae phages observed across all stages of development, in combination with the previous literature, suggest that it may be associated with geographical locations with high altitude. Functional annotation of viral operational taxonomic units (vOTUs) highlights that, among the constantly increasing vOTUs groups, the adaptability of viruses to environmental stressors such as salt and heat indicates an evolutionary response to high-altitude conditions. It shows that the lactation group has more abundant viral auxiliary metabolic genes (vAMGs) than the nursery and fattening groups. During the nursery and fattening stages, this leaves only DNMT1 at a high level. which may be a contributing factor in promoting gut health. The study found that viruses preferentially adopt lytic lifestyles at all three developmental stages. These findings not only elucidate the dynamic interplay between the gut virome and host development, offering novel insights into the virome ecology of Tibetan pigs and their adaptation to high-altitude environments, but also provide a theoretical basis for further studies on pig production and epidemic prevention under extreme environmental conditions.
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Affiliation(s)
- Runbo Luo
- College of Animal Science, Tibet Agricultural and Animal Husbandry University, Linzhi 860000, China; (R.L.); (K.L.); (Y.Z.)
- College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, China;
| | - Aohan Guan
- State Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan 430000, China; (A.G.); (B.M.); (Y.G.); (Y.P.); (Y.H.); (Q.X.); (R.L.); (H.J.)
- College of Animal Medicine, Huazhong Agricultural University, Wuhan 430000, China
| | - Bin Ma
- State Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan 430000, China; (A.G.); (B.M.); (Y.G.); (Y.P.); (Y.H.); (Q.X.); (R.L.); (H.J.)
- College of Animal Medicine, Huazhong Agricultural University, Wuhan 430000, China
| | - Yuan Gao
- State Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan 430000, China; (A.G.); (B.M.); (Y.G.); (Y.P.); (Y.H.); (Q.X.); (R.L.); (H.J.)
- College of Animal Medicine, Huazhong Agricultural University, Wuhan 430000, China
| | - Yuna Peng
- State Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan 430000, China; (A.G.); (B.M.); (Y.G.); (Y.P.); (Y.H.); (Q.X.); (R.L.); (H.J.)
- College of Animal Medicine, Huazhong Agricultural University, Wuhan 430000, China
| | - Yanling He
- State Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan 430000, China; (A.G.); (B.M.); (Y.G.); (Y.P.); (Y.H.); (Q.X.); (R.L.); (H.J.)
- College of Animal Medicine, Huazhong Agricultural University, Wuhan 430000, China
| | - Qianshuai Xu
- State Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan 430000, China; (A.G.); (B.M.); (Y.G.); (Y.P.); (Y.H.); (Q.X.); (R.L.); (H.J.)
- College of Animal Medicine, Huazhong Agricultural University, Wuhan 430000, China
| | - Kexin Li
- College of Animal Science, Tibet Agricultural and Animal Husbandry University, Linzhi 860000, China; (R.L.); (K.L.); (Y.Z.)
| | - Yanan Zhong
- College of Animal Science, Tibet Agricultural and Animal Husbandry University, Linzhi 860000, China; (R.L.); (K.L.); (Y.Z.)
| | - Rui Luo
- State Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan 430000, China; (A.G.); (B.M.); (Y.G.); (Y.P.); (Y.H.); (Q.X.); (R.L.); (H.J.)
- College of Animal Medicine, Huazhong Agricultural University, Wuhan 430000, China
| | - Ruibing Cao
- College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, China;
| | - Hui Jin
- State Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan 430000, China; (A.G.); (B.M.); (Y.G.); (Y.P.); (Y.H.); (Q.X.); (R.L.); (H.J.)
- College of Animal Medicine, Huazhong Agricultural University, Wuhan 430000, China
| | - Yan Lin
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
| | - Peng Shang
- College of Animal Science, Tibet Agricultural and Animal Husbandry University, Linzhi 860000, China; (R.L.); (K.L.); (Y.Z.)
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Istvan P, Birkeland E, Avershina E, Kværner AS, Bemanian V, Pardini B, Tarallo S, de Vos WM, Rognes T, Berstad P, Rounge TB. Exploring the gut DNA virome in fecal immunochemical test stool samples reveals associations with lifestyle in a large population-based study. Nat Commun 2024; 15:1791. [PMID: 38424056 PMCID: PMC10904388 DOI: 10.1038/s41467-024-46033-0] [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: 08/25/2023] [Accepted: 02/08/2024] [Indexed: 03/02/2024] Open
Abstract
Stool samples for fecal immunochemical tests (FIT) are collected in large numbers worldwide as part of colorectal cancer screening programs. Employing FIT samples from 1034 CRCbiome participants, recruited from a Norwegian colorectal cancer screening study, we identify, annotate and characterize more than 18000 DNA viruses, using shotgun metagenome sequencing. Only six percent of them are assigned to a known taxonomic family, with Microviridae being the most prevalent viral family. Linking individual profiles to comprehensive lifestyle and demographic data shows 17/25 of the variables to be associated with the gut virome. Physical activity, smoking, and dietary fiber consumption exhibit strong and consistent associations with both diversity and relative abundance of individual viruses, as well as with enrichment for auxiliary metabolic genes. We demonstrate the suitability of FIT samples for virome analysis, opening an opportunity for large-scale studies of this enigmatic part of the gut microbiome. The diverse viral populations and their connections to the individual lifestyle uncovered herein paves the way for further exploration of the role of the gut virome in health and disease.
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Affiliation(s)
- Paula Istvan
- Centre for Bioinformatics, Department of Informatics, University of Oslo, Oslo, Norway
| | - Einar Birkeland
- Centre for Bioinformatics, Department of Informatics, University of Oslo, Oslo, Norway
| | - Ekaterina Avershina
- Department of Tumor Biology, Institute of Cancer Research, Oslo University Hospital, Oslo, Norway
- Centre for Bioinformatics, Department of Pharmacy, University of Oslo, Oslo, Norway
| | - Ane S Kværner
- Section for Colorectal Cancer Screening, Cancer Registry of Norway, Norwegian Institute of Public Health, Oslo, Norway
| | - Vahid Bemanian
- Pathology Department, Akershus University Hospital, Lørenskog, Norway
| | - Barbara Pardini
- Candiolo Cancer Institute, FPO-IRCCS, Turin, Italy
- Italian Institute for Genomic Medicine (IIGM), c/o IRCCS Candiolo, Turin, Italy
| | - Sonia Tarallo
- Candiolo Cancer Institute, FPO-IRCCS, Turin, Italy
- Italian Institute for Genomic Medicine (IIGM), c/o IRCCS Candiolo, Turin, Italy
| | - Willem M de Vos
- Human Microbiome Research Program, Faculty of Medicine, University of Helsinki, Helsinki, Finland
- Laboratory of Microbiology, Wageningen University, Wageningen, The Netherlands
| | - Torbjørn Rognes
- Centre for Bioinformatics, Department of Informatics, University of Oslo, Oslo, Norway
- Department of Microbiology, Oslo University Hospital, Oslo, Norway
| | - Paula Berstad
- Section for Colorectal Cancer Screening, Cancer Registry of Norway, Norwegian Institute of Public Health, Oslo, Norway
| | - Trine B Rounge
- Department of Tumor Biology, Institute of Cancer Research, Oslo University Hospital, Oslo, Norway.
- Centre for Bioinformatics, Department of Pharmacy, University of Oslo, Oslo, Norway.
- Department of Research, Cancer Registry of Norway, Norwegian Institute of Public Health, Oslo, Norway.
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4
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Wan Y, Zhang L, Xu Z, Su Q, Leung TF, Chan D, Wong OWH, Chan S, Chan FKL, Tun HM, Ng SC. Alterations in fecal virome and bacteriome virome interplay in children with autism spectrum disorder. Cell Rep Med 2024; 5:101409. [PMID: 38307030 PMCID: PMC10897546 DOI: 10.1016/j.xcrm.2024.101409] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2023] [Revised: 11/10/2023] [Accepted: 01/11/2024] [Indexed: 02/04/2024]
Abstract
Emerging evidence suggests autism spectrum disorder (ASD) is associated with altered gut bacteria. However, less is known about the gut viral community and its role in shaping microbiota in neurodevelopmental disorders. Herein, we perform a metagenomic analysis of gut-DNA viruses in 60 children with ASD and 64 age- and gender-matched typically developing children to investigate the effect of the gut virome on host bacteria in children with ASD. ASD is associated with altered gut virome composition accompanied by the enrichment of Clostridium phage, Bacillus phage, and Enterobacteria phage. These ASD-enriched phages are largely associated with disrupted viral ecology in ASD. Importantly, changes in the interplay between the gut bacteriome and virome seen in ASD may influence the encoding capacity of microbial pathways for neuroactive metabolite biosynthesis. These findings suggest an impaired bacteriome-virome ecology in ASD, which sheds light on the importance of bacteriophages in pathogenesis and the development of microbial therapeutics in ASD.
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Affiliation(s)
- Yating Wan
- Microbiota I-Center (MagIC), Hong Kong SAR, China; Department of Medicine and Therapeutics, The Chinese University of Hong Kong, Hong Kong SAR, China; Li Ka Shing Institute of Health Sciences, State Key Laboratory of Digestive Disease, Institute of Digestive Disease, The Chinese University of Hong Kong, Hong Kong SAR, China; The D.H. Chen Foundation Hub of Advanced Technology for Child Health (HATCH), The Chinese University of Hong Kong, Hong Kong SAR, China
| | - Lin Zhang
- Microbiota I-Center (MagIC), Hong Kong SAR, China; Department of Medicine and Therapeutics, The Chinese University of Hong Kong, Hong Kong SAR, China; Li Ka Shing Institute of Health Sciences, State Key Laboratory of Digestive Disease, Institute of Digestive Disease, The Chinese University of Hong Kong, Hong Kong SAR, China; The D.H. Chen Foundation Hub of Advanced Technology for Child Health (HATCH), The Chinese University of Hong Kong, Hong Kong SAR, China
| | - Zhilu Xu
- Microbiota I-Center (MagIC), Hong Kong SAR, China; Department of Medicine and Therapeutics, The Chinese University of Hong Kong, Hong Kong SAR, China; Li Ka Shing Institute of Health Sciences, State Key Laboratory of Digestive Disease, Institute of Digestive Disease, The Chinese University of Hong Kong, Hong Kong SAR, China
| | - Qi Su
- Microbiota I-Center (MagIC), Hong Kong SAR, China; Department of Medicine and Therapeutics, The Chinese University of Hong Kong, Hong Kong SAR, China; Li Ka Shing Institute of Health Sciences, State Key Laboratory of Digestive Disease, Institute of Digestive Disease, The Chinese University of Hong Kong, Hong Kong SAR, China
| | - Ting-Fan Leung
- Department of Paediatrics, The Chinese University of Hong Kong, Hong Kong SAR, China; The D.H. Chen Foundation Hub of Advanced Technology for Child Health (HATCH), The Chinese University of Hong Kong, Hong Kong SAR, China
| | - Dorothy Chan
- Department of Paediatrics, The Chinese University of Hong Kong, Hong Kong SAR, China
| | - Oscar W H Wong
- Department of Psychiatry, The Chinese University of Hong Kong, Hong Kong SAR, China; The D.H. Chen Foundation Hub of Advanced Technology for Child Health (HATCH), The Chinese University of Hong Kong, Hong Kong SAR, China
| | - Sandra Chan
- Department of Psychiatry, The Chinese University of Hong Kong, Hong Kong SAR, China; The D.H. Chen Foundation Hub of Advanced Technology for Child Health (HATCH), The Chinese University of Hong Kong, Hong Kong SAR, China
| | - Francis K L Chan
- Microbiota I-Center (MagIC), Hong Kong SAR, China; Centre for Gut Microbiota Research, The Chinese University of Hong Kong, Hong Kong SAR, China; The D.H. Chen Foundation Hub of Advanced Technology for Child Health (HATCH), The Chinese University of Hong Kong, Hong Kong SAR, China
| | - Hein M Tun
- Microbiota I-Center (MagIC), Hong Kong SAR, China; Li Ka Shing Institute of Health Sciences, State Key Laboratory of Digestive Disease, Institute of Digestive Disease, The Chinese University of Hong Kong, Hong Kong SAR, China; The Jockey Club School of Public Health and Primary Care, The Chinese University of Hong Kong, Hong Kong SAR, China
| | - Siew C Ng
- Microbiota I-Center (MagIC), Hong Kong SAR, China; Department of Medicine and Therapeutics, The Chinese University of Hong Kong, Hong Kong SAR, China; Li Ka Shing Institute of Health Sciences, State Key Laboratory of Digestive Disease, Institute of Digestive Disease, The Chinese University of Hong Kong, Hong Kong SAR, China; The D.H. Chen Foundation Hub of Advanced Technology for Child Health (HATCH), The Chinese University of Hong Kong, Hong Kong SAR, China.
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Schirmer M, Stražar M, Avila-Pacheco J, Rojas-Tapias DF, Brown EM, Temple E, Deik A, Bullock K, Jeanfavre S, Pierce K, Jin S, Invernizzi R, Pust MM, Costliow Z, Mack DR, Griffiths AM, Walters T, Boyle BM, Kugathasan S, Vlamakis H, Hyams J, Denson L, Clish CB, Xavier RJ. Linking microbial genes to plasma and stool metabolites uncovers host-microbial interactions underlying ulcerative colitis disease course. Cell Host Microbe 2024; 32:209-226.e7. [PMID: 38215740 PMCID: PMC10923022 DOI: 10.1016/j.chom.2023.12.013] [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: 03/13/2023] [Revised: 11/08/2023] [Accepted: 12/15/2023] [Indexed: 01/14/2024]
Abstract
Understanding the role of the microbiome in inflammatory diseases requires the identification of microbial effector molecules. We established an approach to link disease-associated microbes to microbial metabolites by integrating paired metagenomics, stool and plasma metabolomics, and culturomics. We identified host-microbial interactions correlated with disease activity, inflammation, and the clinical course of ulcerative colitis (UC) in the Predicting Response to Standardized Colitis Therapy (PROTECT) pediatric inception cohort. In severe disease, metabolite changes included increased dipeptides and tauro-conjugated bile acids (BAs) and decreased amino-acid-conjugated BAs in stool, whereas in plasma polyamines (N-acetylputrescine and N1-acetylspermidine) increased. Using patient samples and Veillonella parvula as a model, we uncovered nitrate- and lactate-dependent metabolic pathways, experimentally linking V. parvula expansion to immunomodulatory tryptophan metabolite production. Additionally, V. parvula metabolizes immunosuppressive thiopurine drugs through xdhA xanthine dehydrogenase, potentially impairing the therapeutic response. Our findings demonstrate that the microbiome contributes to disease-associated metabolite changes, underscoring the importance of these interactions in disease pathology and treatment.
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Affiliation(s)
- Melanie Schirmer
- The Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA; Translational Microbiome Data Integration, School of Life Sciences, Technical University of Munich, 85354 Freising, Germany; ZIEL - Institute for Food & Health, Technical University of Munich, 85354 Freising, Germany.
| | - Martin Stražar
- The Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA
| | | | | | - Eric M Brown
- The Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA; Center for Computational and Integrative Biology and Department of Molecular Biology, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02114, USA
| | - Emily Temple
- The Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA
| | - Amy Deik
- The Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA
| | - Kevin Bullock
- The Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA
| | - Sarah Jeanfavre
- The Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA
| | - Kerry Pierce
- The Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA
| | - Shen Jin
- Translational Microbiome Data Integration, School of Life Sciences, Technical University of Munich, 85354 Freising, Germany
| | | | - Marie-Madlen Pust
- The Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA; Center for Computational and Integrative Biology and Department of Molecular Biology, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02114, USA
| | - Zach Costliow
- The Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA
| | - David R Mack
- Division of Gastroenterology, Hepatology & Nutrition, Children's Hospital of Eastern Ontario and University of Ottawa, Ottawa, ON K1H 8L1, Canada
| | - Anne M Griffiths
- Division of Gastroenterology, The Hospital for Sick Children, Toronto, ON M5G 1X8, Canada
| | - Thomas Walters
- Division of Gastroenterology, Division of Gastroenterology, Hepatology and Nutrition, The Hospital for Sick Children, Toronto, ON M5G 1X8, Canada
| | - Brendan M Boyle
- Division of Pediatric Gastroenterology, Hepatology, and Nutrition, Nationwide Children's Hospital, Columbus, OH 43205, USA
| | - Subra Kugathasan
- Department of Pediatrics, Emory University, Atlanta, GA 30322, USA
| | - Hera Vlamakis
- The Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA
| | - Jeffrey Hyams
- Connecticut Children's Medical Center, Division of Digestive Diseases, Hartford, CT 06106, USA
| | - Lee Denson
- Cincinnati Children's Hospital Medical Center and the University of Cincinnati College of Medicine, Cincinnati, OH 45229, USA
| | - Clary B Clish
- The Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA
| | - Ramnik J Xavier
- The Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA; Center for Computational and Integrative Biology and Department of Molecular Biology, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02114, USA; Center for Microbiome Informatics and Therapeutics, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.
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6
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Santa K, Kumazawa Y, Watanabe K, Nagaoka I. The Potential Use of Vitamin D3 and Phytochemicals for Their Anti-Ageing Effects. Int J Mol Sci 2024; 25:2125. [PMID: 38396804 PMCID: PMC10889119 DOI: 10.3390/ijms25042125] [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: 12/19/2023] [Revised: 02/02/2024] [Accepted: 02/05/2024] [Indexed: 02/25/2024] Open
Abstract
Unlike other vitamins, vitamin D3 is synthesised in skin cells in the body. Vitamin D3 has been known as a bone-related hormone. Recently, however, it has been considered as an immune vitamin. Vitamin D3 deficiency influences the onset of a variety of diseases. Vitamin D3 regulates the production of proinflammatory cytokines such as tumour necrosis factor-α (TNF-α) through binding to vitamin D receptors (VDRs) in immune cells. Since blood levels of vitamin D3 (25-OH-D3) were low in coronavirus disease 2019 (COVID-19) patients, there has been growing interest in the importance of vitamin D3 to maintaining a healthy condition. On the other hand, phytochemicals are compounds derived from plants with over 7000 varieties and have various biological activities. They mainly have health-promoting effects and are classified as terpenoids, carotenoids, flavonoids, etc. Flavonoids are known as the anti-inflammatory compounds that control TNF-α production. Chronic inflammation is induced by the continuous production of TNF-α and is the fundamental cause of diseases like obesity, dyslipidaemia, diabetes, heart and brain diseases, autoimmune diseases, Alzheimer's disease, and cancer. In addition, the ageing process is induced by chronic inflammation. This review explains the cooperative effects of vitamin D3 and phytochemicals in the suppression of inflammatory responses, how it balances the natural immune response, and its link to anti-ageing effects. In addition, vitamin D3 and phytochemicals synergistically contribute to anti-ageing by working with ageing-related genes. Furthermore, prevention of ageing processes induced by the chronic inflammation requires the maintenance of healthy gut microbiota, which is related to daily dietary habits. In this regard, supplementation of vitamin D3 and phytochemicals plays an important role. Recently, the association of the prevention of the non-disease condition called "ME-BYO" with the maintenance of a healthy condition has been an attractive regimen, and the anti-ageing effect discussed here is important for a healthy and long life.
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Affiliation(s)
- Kazuki Santa
- Department of Biotechnology, Tokyo College of Biotechnology, Ota-ku, Tokyo 114-0032, Japan;
| | - Yoshio Kumazawa
- Vino Science Japan Inc., Kawasaki 210-0855, Kanagawa, Japan
- Department of Biochemistry and Systems Biomedicine, Graduate School of Medicine, Juntendo University, Bunkyo-ku, Tokyo 113-8421, Japan
| | - Kenji Watanabe
- Center for Kampo Medicine, Keio University, Shinjuku-ku, Tokyo 160-8582, Japan
- Yokohama University of Pharmacy, Yokohama 245-0066, Kanagawa, Japan
| | - Isao Nagaoka
- Department of Biochemistry and Systems Biomedicine, Graduate School of Medicine, Juntendo University, Bunkyo-ku, Tokyo 113-8421, Japan
- Faculty of Medical Science, Juntendo University, Urayasu 279-0013, Chiba, Japan
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7
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Wang X, Ding Z, Yang Y, Liang L, Sun Y, Hou C, Zheng Y, Xia Y, Dong L. ViromeFlowX: a Comprehensive Nextflow-based Automated Workflow for Mining Viral Genomes from Metagenomic Sequencing Data. Microb Genom 2024; 10:001202. [PMID: 38381034 PMCID: PMC10926697 DOI: 10.1099/mgen.0.001202] [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: 08/15/2023] [Accepted: 02/02/2024] [Indexed: 02/22/2024] Open
Abstract
Understanding the link between the human gut virome and diseases has garnered significant interest in the research community. Extracting virus-related information from metagenomic sequencing data is crucial for unravelling virus composition, host interactions, and disease associations. However, current metagenomic analysis workflows for viral genomes vary in effectiveness, posing challenges for researchers seeking the most up-to-date tools. To address this, we present ViromeFlowX, a user-friendly Nextflow workflow that automates viral genome assembly, identification, classification, and annotation. This streamlined workflow integrates cutting-edge tools for processing raw sequencing data for taxonomic annotation and functional analysis. Application to a dataset of 200 metagenomic samples yielded high-quality viral genomes. ViromeFlowX enables efficient mining of viral genomic data, offering a valuable resource to investigate the gut virome's role in virus-host interactions and virus-related diseases.
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Affiliation(s)
- Xiaokai Wang
- Department of Biomedical Engineering, City University of Hong Kong, Hong Kong 999077, PR China
| | | | - Ying Yang
- 01Life Institute, Shenzhen, PR China
| | | | | | - Chaojian Hou
- Department of Biomedical Engineering, City University of Hong Kong, Hong Kong 999077, PR China
| | | | - Yan Xia
- 01Life Institute, Shenzhen, PR China
| | - Lixin Dong
- Department of Biomedical Engineering, City University of Hong Kong, Hong Kong 999077, PR China
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8
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Sarkar A, McInroy CJA, Harty S, Raulo A, Ibata NGO, Valles-Colomer M, Johnson KVA, Brito IL, Henrich J, Archie EA, Barreiro LB, Gazzaniga FS, Finlay BB, Koonin EV, Carmody RN, Moeller AH. Microbial transmission in the social microbiome and host health and disease. Cell 2024; 187:17-43. [PMID: 38181740 PMCID: PMC10958648 DOI: 10.1016/j.cell.2023.12.014] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2023] [Revised: 12/06/2023] [Accepted: 12/06/2023] [Indexed: 01/07/2024]
Abstract
Although social interactions are known to drive pathogen transmission, the contributions of socially transmissible host-associated mutualists and commensals to host health and disease remain poorly explored. We use the concept of the social microbiome-the microbial metacommunity of a social network of hosts-to analyze the implications of social microbial transmission for host health and disease. We investigate the contributions of socially transmissible microbes to both eco-evolutionary microbiome community processes (colonization resistance, the evolution of virulence, and reactions to ecological disturbance) and microbial transmission-based processes (transmission of microbes with metabolic and immune effects, inter-specific transmission, transmission of antibiotic-resistant microbes, and transmission of viruses). We consider the implications of social microbial transmission for communicable and non-communicable diseases and evaluate the importance of a socially transmissible component underlying canonically non-communicable diseases. The social transmission of mutualists and commensals may play a significant, under-appreciated role in the social determinants of health and may act as a hidden force in social evolution.
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Affiliation(s)
- Amar Sarkar
- Department of Human Evolutionary Biology, Harvard University, Cambridge, MA, USA.
| | - Cameron J A McInroy
- Department of Human Evolutionary Biology, Harvard University, Cambridge, MA, USA
| | - Siobhán Harty
- Independent, Tandy Court, Spitalfields, Dublin, Ireland
| | - Aura Raulo
- Department of Biology, University of Oxford, Oxford, UK; Department of Computing, University of Turku, Turku, Finland
| | - Neil G O Ibata
- Department of Human Evolutionary Biology, Harvard University, Cambridge, MA, USA
| | - Mireia Valles-Colomer
- Department of Medicine and Life Sciences, Pompeu Fabra University, Barcelona, Spain; Department of Cellular, Computational and Integrative Biology, University of Trento, Trento, Italy
| | - Katerina V-A Johnson
- Institute of Psychology, Leiden University, Leiden, the Netherlands; Department of Psychiatry, University of Oxford, Oxford, UK
| | - Ilana L Brito
- Meinig School of Biomedical Engineering, Cornell University, Ithaca, NY, USA
| | - Joseph Henrich
- Department of Human Evolutionary Biology, Harvard University, Cambridge, MA, USA
| | - Elizabeth A Archie
- Department of Biological Sciences, University of Notre Dame, Notre Dame, IN, USA
| | - Luis B Barreiro
- Committee on Immunology, University of Chicago, Chicago, IL, USA; Department of Medicine, University of Chicago, Chicago, IL, USA; Committee on Genetics, Genomics and Systems Biology, University of Chicago, Chicago, IL, USA
| | - Francesca S Gazzaniga
- Molecular Pathology Unit, Cancer Center, Massachusetts General Hospital Research Institute, Charlestown, MA, USA; Department of Pathology, Harvard Medical School, Boston, MA, USA
| | - B Brett Finlay
- Department of Microbiology and Immunology, University of British Columbia, Vancouver, BC, Canada; Michael Smith Laboratories, University of British Columbia, Vancouver, BC, Canada; Department of Biochemistry, University of British Columbia, Vancouver, BC, Canada
| | - Eugene V Koonin
- National Center for Biotechnology Information, National Library of Medicine, Bethesda, MD, USA
| | - Rachel N Carmody
- Department of Human Evolutionary Biology, Harvard University, Cambridge, MA, USA
| | - Andrew H Moeller
- Department of Ecology and Evolutionary Biology, Cornell University, Ithaca, NY, USA
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9
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Mageiros L, Megremis S, Papadopoulos NG. The virome in allergy and asthma: A nascent, ineffable player. J Allergy Clin Immunol 2023; 152:1347-1351. [PMID: 37778473 DOI: 10.1016/j.jaci.2023.09.022] [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: 06/08/2023] [Revised: 08/28/2023] [Accepted: 09/19/2023] [Indexed: 10/03/2023]
Abstract
Allergic diseases can be affected by virus-host interactions and are increasingly linked with the tissue-specific microbiome. High-throughput metagenomic sequencing has offered the opportunity to study the presence of viruses as an ecologic system, namely, the virome. Even though virome studies are technically challenging conceptually and analytically, they are already producing novel data expanding our understanding of the pathophysiologic mechanisms related to chronic inflammation and allergy. The importance of interspecies and intraspecies interactions is becoming apparent, as they can significantly, directly or indirectly, affect the host's response and antigenic state. Here, we emphasize the challenges and potential insights related to study of the virome in the context of allergy and asthma. We review the limited number of studies that have investigated the virome in these conditions, underlining the need for prospective, repeated sampling designs to unravel the virome's impact on disease development and its interplay with microbiota and immunity. The potential therapeutic use of bacteriophages, which are highly complex components of the virome, is discussed. There is clearly a need for further in-depth investigation of the virome as a system in allergic diseases.
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Affiliation(s)
- Leonardos Mageiros
- Allergy Department, 2nd Pediatric Clinic, National and Kapodistrian University of Athens, Athens, Greece
| | | | - Nikolaos G Papadopoulos
- Allergy Department, 2nd Pediatric Clinic, National and Kapodistrian University of Athens, Athens, Greece; University of Manchester, Manchester, United Kingdom.
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10
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Melkikh AV. Aging and group selection: New arguments in favor of partially directed evolution. Biosystems 2023; 234:105061. [PMID: 37858738 DOI: 10.1016/j.biosystems.2023.105061] [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: 09/07/2023] [Revised: 10/11/2023] [Accepted: 10/11/2023] [Indexed: 10/21/2023]
Abstract
In this study, theories of aging and its mechanisms under various environmental conditions were analyzed. The analysis of published data suggested that aging is a controlled process. It is known that many mathematical algorithms utilize an analogy of aging. However, this is possible only when a "target set" is known in advance. Various forms of selection in relation to aging were analyzed both collectively and separately. The general conclusion is that aging is one of the mechanisms of directed evolution. A model was constructed, which shows how aging is integrated into partially directed evolution.
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Affiliation(s)
- A V Melkikh
- Ural Federal University, Yekaterinburg, Russia.
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11
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Górski A, Międzybrodzki R, Jończyk-Matysiak E, Kniotek M, Letkiewicz S. Therapeutic Phages as Modulators of the Immune Response: Practical Implications. Clin Infect Dis 2023; 77:S433-S439. [PMID: 37932118 DOI: 10.1093/cid/ciad483] [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: 11/08/2023] Open
Abstract
While the medical community awaits formal proof of the efficacy of phage therapy, as is required by evidence-based medicine, existing data suggest that phages could also be applied based on their non-antibacterial action, especially phage-mediated immunomodulation. Promising avenues have been revealed by findings indicating that phages may mediate diverse actions in the immune system, while the list of phages able to dampen the aberrant immunity associated with a variety of disorders continuously grows. Here we summarize what is known in this field and possible options for the future. While available data are still scarce and preliminary, it appears that "phage repurposing" is worthy of more research, which could reveal new perspectives on applying phage therapy in contemporary medicine.
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Affiliation(s)
- Andrzej Górski
- Bacteriophage Laboratory, Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Sciences (HIIET PAS), Wrocław, Poland
- Phage Therapy Unit, Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Sciences (HIIET PAS), Wrocław, Poland
- Clinic of Immunology, Transplantology, and Internal Medicine, Infant Jesus Hospital, The Medical University of Warsaw, Warsaw, Poland
| | - Ryszard Międzybrodzki
- Bacteriophage Laboratory, Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Sciences (HIIET PAS), Wrocław, Poland
- Phage Therapy Unit, Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Sciences (HIIET PAS), Wrocław, Poland
- Department of Clinical Immunology, Medical University of Warsaw, Warsaw, Poland
| | - Ewa Jończyk-Matysiak
- Bacteriophage Laboratory, Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Sciences (HIIET PAS), Wrocław, Poland
| | - Monika Kniotek
- Department of Clinical Immunology, Medical University of Warsaw, Warsaw, Poland
| | - Sławomir Letkiewicz
- Phage Therapy Unit, Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Sciences (HIIET PAS), Wrocław, Poland
- Collegium Medicum, Jan Długosz University, Częstochowa, Poland
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12
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Zhao X, Zhao J, Li D, Yang H, Chen C, Qin M, Wen Z, He Z, Xu L. Akkermansia muciniphila: A potential target and pending issues for oncotherapy. Pharmacol Res 2023; 196:106916. [PMID: 37690533 DOI: 10.1016/j.phrs.2023.106916] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/02/2023] [Revised: 09/02/2023] [Accepted: 09/07/2023] [Indexed: 09/12/2023]
Abstract
In the wake of the development of metagenomic, metabolomic, and metatranscriptomic approaches, the intricate interactions between the host and various microbes are now being progressively understood. Numerous studies have demonstrated evident changes in gut microbiota during the process of a variety of diseases, such as diabetes, obesity, aging, and cancers. Notably, gut microbiota is viewed as a potential source of novel therapeutics. Currently, Next-generation probiotics (NGPs) are gaining popularity as therapeutic agents that alter the gut microbiota and affect cancer development. Akkermansia muciniphila (A. muciniphila), a representative commensal bacterium, has received substantial attention over the past decade as a promising NGP. The components and metabolites of A. muciniphila can directly or indirectly affect tumorigenesis, in particular through its effects on antitumor immunosurveillance, including the stimulation of pattern recognition receptors (PRRs), which also leads to better outcomes in a variety of situations, including the prevention and curation of cancers. In this article, we systematically summarize the role of A. muciniphila in tumorigenesis (involving gastrointestinal and non-gastrointestinal cancers) and in tumor therapy. In particular, we carefully discuss some critical scientific issues that need to be solved for the future using A. muciniphila as a representative beneficial bacterium in tumor treatment, which might provide bright clues and assistance for the application of drugs targeting A. muciniphila in clinical oncotherapy.
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Affiliation(s)
- Xu Zhao
- Guizhou University Medical College, Guiyang 550025, Guizhou Province, China; Special Key Laboratory of Gene Detection &Therapy of Guizhou Province, Zunyi Medical University, Zunyi, Guizhou 563000, China; Department of Immunology, Zunyi Medical University, Zunyi, Guizhou 563000, China
| | - Juanjuan Zhao
- Special Key Laboratory of Gene Detection &Therapy of Guizhou Province, Zunyi Medical University, Zunyi, Guizhou 563000, China; Department of Immunology, Zunyi Medical University, Zunyi, Guizhou 563000, China
| | - Dongmei Li
- Special Key Laboratory of Gene Detection &Therapy of Guizhou Province, Zunyi Medical University, Zunyi, Guizhou 563000, China; Department of Immunology, Zunyi Medical University, Zunyi, Guizhou 563000, China
| | - Han Yang
- Special Key Laboratory of Gene Detection &Therapy of Guizhou Province, Zunyi Medical University, Zunyi, Guizhou 563000, China; Department of Immunology, Zunyi Medical University, Zunyi, Guizhou 563000, China
| | - Chao Chen
- Guizhou University Medical College, Guiyang 550025, Guizhou Province, China; Special Key Laboratory of Gene Detection &Therapy of Guizhou Province, Zunyi Medical University, Zunyi, Guizhou 563000, China
| | - Ming Qin
- Special Key Laboratory of Gene Detection &Therapy of Guizhou Province, Zunyi Medical University, Zunyi, Guizhou 563000, China
| | - Zhenke Wen
- Institutes of Biology and Medical Sciences, Soochow Univeristy, Jiangsu 215000, China
| | - Zhixu He
- Collaborative Innovation Center of Tissue Damage Repair and Regeneration Medicine of Zunyi Medical University, Zunyi, Guizhou 563000, China.
| | - Lin Xu
- Guizhou University Medical College, Guiyang 550025, Guizhou Province, China; Special Key Laboratory of Gene Detection &Therapy of Guizhou Province, Zunyi Medical University, Zunyi, Guizhou 563000, China; Department of Immunology, Zunyi Medical University, Zunyi, Guizhou 563000, China; Collaborative Innovation Center of Tissue Damage Repair and Regeneration Medicine of Zunyi Medical University, Zunyi, Guizhou 563000, China.
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13
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Marcozzi S, Bigossi G, Giuliani ME, Lai G, Giacconi R, Piacenza F, Malavolta M. Spreading Senescent Cells' Burden and Emerging Therapeutic Targets for Frailty. Cells 2023; 12:2287. [PMID: 37759509 PMCID: PMC10528263 DOI: 10.3390/cells12182287] [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: 08/03/2023] [Revised: 09/12/2023] [Accepted: 09/14/2023] [Indexed: 09/29/2023] Open
Abstract
The spreading of senescent cells' burden holds profound implications for frailty, prompting the exploration of novel therapeutic targets. In this perspective review, we delve into the intricate mechanisms underlying senescent cell spreading, its implications for frailty, and its therapeutic development. We have focused our attention on the emerging age-related biological factors, such as microbiome and virome alterations, elucidating their significant contribution to the loss of control over the accumulation rate of senescent cells, particularly affecting key frailty domains, the musculoskeletal system and cerebral functions. We believe that gaining an understanding of these mechanisms could not only aid in elucidating the involvement of cellular senescence in frailty but also offer diverse therapeutic possibilities, potentially advancing the future development of tailored interventions for these highly diverse patients.
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Affiliation(s)
- Serena Marcozzi
- Advanced Technology Center for Aging Research and Geriatric Mouse Clinic, IRCCS INRCA, 60121 Ancona, Italy; (S.M.); (G.B.); (M.E.G.); (R.G.); (F.P.)
- Scientific Direction, IRCCS INRCA, 60124 Ancona, Italy
| | - Giorgia Bigossi
- Advanced Technology Center for Aging Research and Geriatric Mouse Clinic, IRCCS INRCA, 60121 Ancona, Italy; (S.M.); (G.B.); (M.E.G.); (R.G.); (F.P.)
| | - Maria Elisa Giuliani
- Advanced Technology Center for Aging Research and Geriatric Mouse Clinic, IRCCS INRCA, 60121 Ancona, Italy; (S.M.); (G.B.); (M.E.G.); (R.G.); (F.P.)
| | - Giovanni Lai
- Advanced Technology Center for Aging Research and Geriatric Mouse Clinic, IRCCS INRCA, 60121 Ancona, Italy; (S.M.); (G.B.); (M.E.G.); (R.G.); (F.P.)
| | - Robertina Giacconi
- Advanced Technology Center for Aging Research and Geriatric Mouse Clinic, IRCCS INRCA, 60121 Ancona, Italy; (S.M.); (G.B.); (M.E.G.); (R.G.); (F.P.)
| | - Francesco Piacenza
- Advanced Technology Center for Aging Research and Geriatric Mouse Clinic, IRCCS INRCA, 60121 Ancona, Italy; (S.M.); (G.B.); (M.E.G.); (R.G.); (F.P.)
| | - Marco Malavolta
- Advanced Technology Center for Aging Research and Geriatric Mouse Clinic, IRCCS INRCA, 60121 Ancona, Italy; (S.M.); (G.B.); (M.E.G.); (R.G.); (F.P.)
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14
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Wilmanski T, Gibbons SM. A changing gut virome ecological landscape with longevity. Trends Microbiol 2023; 31:882-884. [PMID: 37517959 PMCID: PMC10485875 DOI: 10.1016/j.tim.2023.07.013] [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: 07/19/2023] [Accepted: 07/21/2023] [Indexed: 08/01/2023]
Abstract
A recent study (Johansen et al., 2023) shows how the ecological composition of the human gut virome changes with age, showing a decline in core taxa and an enrichment of subdominant taxa, similar to what has been observed in the gut bacteriomes of centenarians.
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Affiliation(s)
| | - Sean M Gibbons
- Institute for Systems Biology, Seattle, WA 98109, USA; Department of Bioengineering, University of Washington, Seattle, WA 98195, USA; Department of Genome Sciences, University of Washington, Seattle, WA 98195, USA; eScience Institute, University of Washington, Seattle, WA 98195, USA.
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15
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Zhang Y, Chen H, Huang C. Optimizing health-span: advances in stem cell medicine and longevity research. MEDICAL REVIEW (2021) 2023; 3:351-355. [PMID: 38235402 PMCID: PMC10790209 DOI: 10.1515/mr-2023-0040] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/13/2023] [Accepted: 09/20/2023] [Indexed: 01/19/2024]
Affiliation(s)
- Yue Zhang
- Shenzhen Futian Hospital for Rheumatic Diseases, Shenzhen, Guangdon, China
- Hezhou (the City of Longevity) Dongrong Yao Medicine Research Institute, Joint Institute of Shenzhen University and Hezhou Hospital for Traditional Chinese Medicine, Hezhou, Guangxi, China
- Department of Rheumatology and Immunology, The First Clinical College of Harbin Medical University, Harbin, Heilongjiang, China
| | - Hexin Chen
- Department of Biological Sciences, University of South Carolina, Columbia, SC, USA
| | - Cibo Huang
- Department of Rheumatology, Immunology and Gerontology, South-China Hospital of Shenzhen University, Shenzhen, Guangdong, China
- Department of Rheumatology and Immunology, National Center of Gerontology, Beijing Hospital, Beijing, China
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16
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Avellaneda-Franco L, Dahlman S, Barr JJ. The gut virome and the relevance of temperate phages in human health. Front Cell Infect Microbiol 2023; 13:1241058. [PMID: 37577374 PMCID: PMC10413269 DOI: 10.3389/fcimb.2023.1241058] [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: 06/16/2023] [Accepted: 06/29/2023] [Indexed: 08/15/2023] Open
Abstract
Alterations in the gut virome impact human health. Bacteriophages, viruses that infect bacteria, dominate the gut virome and are mainly composed by virulent and temperate phages. While virulent phages exclusively replicate within and lyse their bacterial host's cell, temperate phages switch from an integrated state residing within their bacterial host's chromosome to an induced free virion state via an induction event. How often do these induction events occur and what are their implications on gut homeostasis? Here, we summarize the current knowledge of the gut virome based on metagenomics and present how the proportion of induced temperate phages varies amongst individuals, age, and disease states. Finally, we highlight the importance of building upon classical culture-dependent techniques and sequencing approaches to improve our understanding of temperate phages to enable their potential therapeutic use.
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Affiliation(s)
| | | | - Jeremy J. Barr
- School of Biological Sciences, Monash University, Clayton, VIC, Australia
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17
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Endres K, Friedland K. Talk to Me-Interplay between Mitochondria and Microbiota in Aging. Int J Mol Sci 2023; 24:10818. [PMID: 37445995 DOI: 10.3390/ijms241310818] [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: 05/26/2023] [Revised: 06/21/2023] [Accepted: 06/27/2023] [Indexed: 07/15/2023] Open
Abstract
The existence of mitochondria in eukaryotic host cells as a remnant of former microbial organisms has been widely accepted, as has their fundamental role in several diseases and physiological aging. In recent years, it has become clear that the health, aging, and life span of multicellular hosts are also highly dependent on the still-residing microbiota, e.g., those within the intestinal system. Due to the common evolutionary origin of mitochondria and these microbial commensals, it is intriguing to investigate if there might be a crosstalk based on preserved common properties. In the light of rising knowledge on the gut-brain axis, such crosstalk might severely affect brain homeostasis in aging, as neuronal tissue has a high energy demand and low tolerance for according functional decline. In this review, we summarize what is known about the impact of both mitochondria and the microbiome on the host's aging process and what is known about the aging of both entities. For a long time, bacteria were assumed to be immortal; however, recent evidence indicates their aging and similar observations have been made for mitochondria. Finally, we present pathways by which mitochondria are affected by microbiota and give information about therapeutic anti-aging approaches that are based on current knowledge.
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Affiliation(s)
- Kristina Endres
- Department of Psychiatry and Psychotherapy, University Medical Center of the Johannes Gutenberg-University, 55131 Mainz, Germany
| | - Kristina Friedland
- Department of Pharmacology and Toxicology, Institute for Pharmaceutical and Biomedical Sciences, Johannes Gutenberg-University, 55128 Mainz, Germany
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