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Tewari N, Dey P. Navigating commensal dysbiosis: Gastrointestinal host-pathogen interplay orchestrating opportunistic infections. Microbiol Res 2024; 286:127832. [PMID: 39013300 DOI: 10.1016/j.micres.2024.127832] [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: 04/22/2024] [Revised: 06/23/2024] [Accepted: 07/01/2024] [Indexed: 07/18/2024]
Abstract
The gut commensals, which are usually symbiotic or non-harmful bacteria that live in the gastrointestinal tract, have a positive impact on the health of the host. This review, however, specifically discuss distinct conditions where commensals aid in the development of pathogenic opportunistic infections. We discuss that the categorization of gut bacteria as either pathogens or non-pathogens depends on certain circumstances, which are significantly affected by the tissue microenvironment and the dynamic host-microbe interaction. Under favorable circumstances, commensals have the ability to transform into opportunistic pathobionts by undergoing overgrowth. These conditions include changes in the host's physiology, simultaneous infection with other pathogens, effective utilization of nutrients, interactions between different species of bacteria, the formation of protective biofilms, genetic mutations that enhance pathogenicity, acquisition of genes associated with virulence, and the ability to avoid the host's immune response. These processes allow commensals to both initiate infections themselves and aid other pathogens in populating the host. This review highlights the need of having a detailed and sophisticated knowledge of the two-sided nature of gut commensals. Although commensals mostly promote health, they may also become harmful in certain changes in the environment or the body's functioning. This highlights the need of acknowledging the intricate equilibrium in interactions between hosts and microbes, which is crucial for preserving intestinal homeostasis and averting diseases. Finally, we also emphasize the further need of research to better understand and anticipate the behavior of gut commensals in different situations, since they play a crucial and varied role in human health and disease.
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Affiliation(s)
- Nisha Tewari
- Department of Biotechnology, Thapar Institute of Engineering and Technology, Patiala, Punjab 147004, India
| | - Priyankar Dey
- Department of Biotechnology, Thapar Institute of Engineering and Technology, Patiala, Punjab 147004, India.
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Alexandrescu L, Nicoara AD, Tofolean DE, Herlo A, Nelson Twakor A, Tocia C, Trandafir A, Dumitru A, Dumitru E, Aftenie CF, Preotesoiu I, Dina E, Tofolean IT. Healing from Within: How Gut Microbiota Predicts IBD Treatment Success-A Systematic Review. Int J Mol Sci 2024; 25:8451. [PMID: 39126020 PMCID: PMC11313389 DOI: 10.3390/ijms25158451] [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: 07/13/2024] [Revised: 07/29/2024] [Accepted: 07/30/2024] [Indexed: 08/12/2024] Open
Abstract
Recent research indicates that the microbiome has a significant impact on the progression of inflammatory bowel disease (IBD) and that creating therapies that change its composition could positively impact the outcomes of IBD treatment. This review summarizes the results of extensive studies that examined IBD patients undergoing several therapies, including anti-TNF medication, vedolizumab, ustekinumab, probiotics, and fecal microbiota transplantation (FMT), and the alterations in their gut microbiota's composition and function. The objective was to investigate the variety and effectiveness of microbial species in order to discover new biomarkers or therapeutic targets that could improve the outcome of treatment for these patients. This research aimed to offer useful insights into personalized medicine techniques for managing IBD. Beneficial bacteria such as Faecalibacterium prausnitzii and Roseburia have been consistently linked to favorable clinical outcomes, whereas pathogenic bacteria such as Escherichia coli and Clostridioides difficile are associated with worsening disease conditions. Although many studies have examined the role of gut microbiota in IBD, there is still a need for more targeted research on the connection between specific microbial communities and treatment outcomes. This study sought to address this gap by exploring the intricate relationship between the gut microbiota composition and the effectiveness of IBD medications.
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Affiliation(s)
- Luana Alexandrescu
- Gastroenterology Department, “Sf. Apostol Andrei” Emergency County Hospital, 145 Tomis Blvd., 900591 Constanta, Romania; (L.A.); (C.T.); (A.D.); (E.D.); (E.D.); (I.T.T.)
- Medicine Faculty, “Ovidius” University of Constanta, 1 Universitatii Street, 900470 Constanta, Romania; (D.E.T.); (A.T.); (C.F.A.); (I.P.)
| | - Alina Doina Nicoara
- Medicine Faculty, “Ovidius” University of Constanta, 1 Universitatii Street, 900470 Constanta, Romania; (D.E.T.); (A.T.); (C.F.A.); (I.P.)
- Internal Medicine Department, “Sf. Apostol Andrei” Emergency County Hospital, 145 Tomis Blvd., 900591 Constanta, Romania;
| | - Doina Ecaterina Tofolean
- Medicine Faculty, “Ovidius” University of Constanta, 1 Universitatii Street, 900470 Constanta, Romania; (D.E.T.); (A.T.); (C.F.A.); (I.P.)
- Pneumology Department, “Sf. Apostol Andrei” Emergency County Hospital, 145 Tomis Blvd., 900591 Constanta, Romania
| | - Alexandra Herlo
- Department XIII, Discipline of Infectious Diseases, “Victor Babes” University of Medicine and Pharmacy Timisoara, 2 Eftimie Murgu Square, 300041 Timisoara, Romania;
| | - Andreea Nelson Twakor
- Internal Medicine Department, “Sf. Apostol Andrei” Emergency County Hospital, 145 Tomis Blvd., 900591 Constanta, Romania;
| | - Cristina Tocia
- Gastroenterology Department, “Sf. Apostol Andrei” Emergency County Hospital, 145 Tomis Blvd., 900591 Constanta, Romania; (L.A.); (C.T.); (A.D.); (E.D.); (E.D.); (I.T.T.)
- Medicine Faculty, “Ovidius” University of Constanta, 1 Universitatii Street, 900470 Constanta, Romania; (D.E.T.); (A.T.); (C.F.A.); (I.P.)
| | - Anamaria Trandafir
- Medicine Faculty, “Ovidius” University of Constanta, 1 Universitatii Street, 900470 Constanta, Romania; (D.E.T.); (A.T.); (C.F.A.); (I.P.)
| | - Andrei Dumitru
- Gastroenterology Department, “Sf. Apostol Andrei” Emergency County Hospital, 145 Tomis Blvd., 900591 Constanta, Romania; (L.A.); (C.T.); (A.D.); (E.D.); (E.D.); (I.T.T.)
| | - Eugen Dumitru
- Gastroenterology Department, “Sf. Apostol Andrei” Emergency County Hospital, 145 Tomis Blvd., 900591 Constanta, Romania; (L.A.); (C.T.); (A.D.); (E.D.); (E.D.); (I.T.T.)
- Medicine Faculty, “Ovidius” University of Constanta, 1 Universitatii Street, 900470 Constanta, Romania; (D.E.T.); (A.T.); (C.F.A.); (I.P.)
- Academy of Romanian Scientist, 3 Ilfov Street, 050044 Bucharest, Romania
| | - Cristian Florentin Aftenie
- Medicine Faculty, “Ovidius” University of Constanta, 1 Universitatii Street, 900470 Constanta, Romania; (D.E.T.); (A.T.); (C.F.A.); (I.P.)
| | - Ionela Preotesoiu
- Medicine Faculty, “Ovidius” University of Constanta, 1 Universitatii Street, 900470 Constanta, Romania; (D.E.T.); (A.T.); (C.F.A.); (I.P.)
| | - Elena Dina
- Gastroenterology Department, “Sf. Apostol Andrei” Emergency County Hospital, 145 Tomis Blvd., 900591 Constanta, Romania; (L.A.); (C.T.); (A.D.); (E.D.); (E.D.); (I.T.T.)
| | - Ioan Tiberiu Tofolean
- Gastroenterology Department, “Sf. Apostol Andrei” Emergency County Hospital, 145 Tomis Blvd., 900591 Constanta, Romania; (L.A.); (C.T.); (A.D.); (E.D.); (E.D.); (I.T.T.)
- Medicine Faculty, “Ovidius” University of Constanta, 1 Universitatii Street, 900470 Constanta, Romania; (D.E.T.); (A.T.); (C.F.A.); (I.P.)
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Liu Y, Wang Y, Wang H. Effects of ciprofloxacin and levofloxacin on initial colonization of intestinal microbiota in Bufo gargarizans at embryonic stages. CHEMOSPHERE 2024; 361:142587. [PMID: 38871193 DOI: 10.1016/j.chemosphere.2024.142587] [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: 04/03/2024] [Revised: 06/06/2024] [Accepted: 06/10/2024] [Indexed: 06/15/2024]
Abstract
Ciprofloxacin (CIP) and levofloxacin (LEV) are broad-spectrum antibiotics with potent antibacterial activity. Although many studies have shown that antibiotics can lead to gut microbiota disruption, the effects of CIP and LEV on gut microbial colonization at the embryonic stage remain poorly characterized. Here, we evaluated the response of Bufo gargarizans embryos in terms of gut microbiota colonization, growth and developmental stages to CIP and LEV exposure. Embryos treated with 100 μg/L CIP and LEV exhibited significantly reduced diversity and richness of the gut microbiota, as well as altered community structure. Both CIP and LEV treatments resulted in an increase in the pathogenic bacteria Bosea and Aeromonas, and they appeared to be more resistant to CIP than LEV. Additionally, CIP exposure caused reduced total length and delayed the development in B. gargarizans embryos, while LEV increased the total length and promoted embryonic development. The present study revealed the adverse effects of CIP and LEV exposure on host gut microbiota, growth and development during the embryonic stage, and contributed new perspectives to the evaluation of early aquatic ecological risk under CIP and LEV exposure.
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Affiliation(s)
- Ying Liu
- College of Life Sciences, Shaanxi Normal University, Xi'an, Shaanxi, 710119, China.
| | - Yaxi Wang
- College of Life Sciences, Shaanxi Normal University, Xi'an, Shaanxi, 710119, China
| | - Hongyuan Wang
- College of Life Sciences, Shaanxi Normal University, Xi'an, Shaanxi, 710119, China.
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Klepinowski T, Skonieczna-Żydecka K, Łoniewski I, Pettersson SD, Wierzbicka-Woś A, Kaczmarczyk M, Palma J, Sawicki M, Taterra D, Poncyljusz W, Alshafai NS, Stachowska E, Ogilvy CS, Sagan L. A prospective pilot study of gut microbiome in cerebral vasospasm and delayed cerebral ischemia after aneurysmal subarachnoid hemorrhage. Sci Rep 2024; 14:17617. [PMID: 39080476 PMCID: PMC11289281 DOI: 10.1038/s41598-024-68722-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2024] [Accepted: 07/26/2024] [Indexed: 08/02/2024] Open
Abstract
A recent systematic review indicated that gut-microbiota-brain axis contributes to growth and rupture of intracranial aneurysms. However, gaps were detected in the role of intestinal microbiome in cerebral vasospasm (CVS) after aneurysmal subarachnoid hemorrhage (aSAH). This is the first pilot study aiming to test study feasibility and identify differences in gut microbiota between subjects with and without CVS following aSAH. A prospective nested case-control pilot study with 1:1 matching was conducted recruiting subjects with aSAH: cases with CVS; and controls without CVS based on the clinical picture and structured bedside transcranial Doppler (TCD). Fecal samples for microbiota analyses by means of 16S rRNA gene amplicon sequencing were collected within the first 96 h after ictus. Operational taxonomic unit tables were constructed, diversity metrics calculated, phylogenetic trees built, and differential abundance analysis (DAA) performed. At baseline, the groups did not differ significantly in basic demographic and aneurysm-related characteristics (p > 0.05). Alpha-diversity (richness and Shannon Index) was significantly reduced in cases of middle cerebral artery (MCA) vasospasm (p < 0.05). In DAA, relative abundance of genus Acidaminococcus was associated with MCA vasospasm (p = 0.00013). Two butyrate-producing genera, Intestinimonas and Butyricimonas, as well as [Clostridium] innocuum group had the strongest negative correlation with the mean blood flow velocity in anterior cerebral arteries (p < 0.01; rho = - 0.63; - 0.57, and - 0.57, respectively). In total, 16 gut microbial genera were identified to correlate with TCD parameters, and two intestinal genera correlated with outcome upon discharge. In this pilot study, we prove study feasibility and present the first preliminary evidence of gut microbiome signature associating with CVS as a significant cause of stroke in subjects with aSAH.
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Affiliation(s)
- Tomasz Klepinowski
- Department of Neurosurgery, Pomeranian Medical University Hospital no. 1, Unii Lubelskiej 1, 71-252, Szczecin, Poland.
| | - Karolina Skonieczna-Żydecka
- Department of Biochemical Sciences, Pomeranian Medical University in Szczecin, Broniewskiego 24, 71-460, Szczecin, Poland.
| | - Igor Łoniewski
- Department of Biochemical Sciences, Pomeranian Medical University in Szczecin, Broniewskiego 24, 71-460, Szczecin, Poland
| | - Samuel D Pettersson
- Neurosurgical Service, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
| | - Anna Wierzbicka-Woś
- Research and Development Centre, Sanprobi sp. z o.o. sp. K, Kurza Stopka 5/c, 70-535, Szczecin, Poland
| | - Mariusz Kaczmarczyk
- Department of Biochemical Sciences, Pomeranian Medical University in Szczecin, Broniewskiego 24, 71-460, Szczecin, Poland
- Research and Development Centre, Sanprobi sp. z o.o. sp. K, Kurza Stopka 5/c, 70-535, Szczecin, Poland
| | - Joanna Palma
- Department of Biochemical Sciences, Pomeranian Medical University in Szczecin, Broniewskiego 24, 71-460, Szczecin, Poland
| | - Marcin Sawicki
- Department of Diagnostic Imaging and Interventional Radiology, Pomeranian Medical University in Szczecin Hospital no. 1, Szczecin, Poland
| | - Dominik Taterra
- Department of Orthopedics and Rehabilitation, Jagiellonian University Medical College, Zakopane, Poland
| | - Wojciech Poncyljusz
- Department of Diagnostic Imaging and Interventional Radiology, Pomeranian Medical University in Szczecin Hospital no. 1, Szczecin, Poland
| | | | - Ewa Stachowska
- Department of Human Nutrition and Metabolomics, Pomeranian Medical University in Szczecin, Broniewskiego 24, 70-204, Szczecin, Poland
| | - Christopher S Ogilvy
- Neurosurgical Service, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
| | - Leszek Sagan
- Department of Neurosurgery, Pomeranian Medical University Hospital no. 1, Unii Lubelskiej 1, 71-252, Szczecin, Poland
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Eraqi WA, El-Sabbagh WA, Aziz RK, Elshahed MS, Youssef NH, Elkenawy NM. Gastroprotective and microbiome-modulating effects of ubiquinol in rats with radiation-induced enteropathy. Anim Microbiome 2024; 6:40. [PMID: 39030597 PMCID: PMC11264694 DOI: 10.1186/s42523-024-00320-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2023] [Accepted: 06/02/2024] [Indexed: 07/21/2024] Open
Abstract
Radiation enteritis is a frequently encountered issue for patients receiving radiotherapy and has a significant impact on cancer patients' quality of life. The gut microbiota plays a pivotal role in intestinal function, yet the impact of irradiation on gut microorganisms is not fully understood. This study explores the gastroprotective effect and gut microbiome-modulating potential of ubiquinol (Ubq), the reduced form of the powerful antioxidant CoQ-10. For this purpose, male albino rats were randomly assigned to four groups: Control, IRR (acute 7 Gy γ-radiation), Ubq_Post (Ubq for 7 days post-irradiation), and Ubq_Pre/Post (Ubq for 7 days pre and 7 days post-irradiation). The fecal microbiomes of all groups were profiled by 16S rRNA amplicon sequencing followed by bioinformatics and statistical analysis. Histopathological examination of intestinal tissue indicated severe damage in the irradiated group, which was mitigated by ubiquinol with enhanced regeneration, goblet cells, and intestinal alkaline phosphatase expression. Compared to the irradiated group, the Ubq-treated groups had a significant recovery of intestinal interleukin-1β, caspase-3, nitric oxide metabolites, and thio-barbituric reactive substances to near-healthy levels. Ubq_Pre/Post group displayed elevated peroxisome proliferator-activated receptor (PPAR-γ) level, suggesting heightened benefits. Serum insulin reduction in irradiated rats improved post-Ubq treatment, with a possible anti-inflammatory effect on the pancreatic tissue. Fecal microbiota profiling revealed a dysbiosis state with a reduction of bacterial diversity post-irradiation, which was re-modulated in the Ubq treated groups to profiles that are indistinguishable from the control group. These findings underscore Ubq's gastroprotective effects against radiation-induced enteritis and its potential in restoring the gut microbiota's diversity and balance.
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Affiliation(s)
- Walaa A Eraqi
- Department of Microbiology and Immunology, Faculty of Pharmacy, Cairo University, Cairo, 11562, Egypt.
| | - Walaa A El-Sabbagh
- Drug Radiation Research Department, National Center of Radiation and Research Technology (NCRRT), Egyptian Atomic Energy Authority (EAEA), Cairo, 11787, Egypt
| | - Ramy K Aziz
- Department of Microbiology and Immunology, Faculty of Pharmacy, Cairo University, Cairo, 11562, Egypt
- Microbiology and Immunology Research Program, Children's Cancer Hospital Egypt 57357, Cairo, 11617, Egypt
| | - Mostafa S Elshahed
- Department of Microbiology and Molecular Genetics, Oklahoma State University, Stillwater, OK, 74074, USA
| | - Noha H Youssef
- Department of Microbiology and Molecular Genetics, Oklahoma State University, Stillwater, OK, 74074, USA
| | - Nora M Elkenawy
- Drug Radiation Research Department, National Center of Radiation and Research Technology (NCRRT), Egyptian Atomic Energy Authority (EAEA), Cairo, 11787, Egypt.
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Ezz El Deen NM, Karem M, El Borhamy MI, Hanora AMS, Fahmy N, Zakeer S. Multivariate Analysis and Correlation Study Shows the Impact of Anthropometric and Demographic Variables on Gut Microbiota in Obese Egyptian Children. Curr Microbiol 2024; 81:259. [PMID: 38972943 DOI: 10.1007/s00284-024-03771-0] [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: 01/30/2024] [Accepted: 06/11/2024] [Indexed: 07/09/2024]
Abstract
Deciphering the gut microbiome's link to obesity is crucial. Our study characterized the gut microbial community in Egyptian children and investigated the effect of covariates on the gut microbiome, body mass index (BMI), geographical location, gender, and age. We used 16S rRNA sequencing to characterize the gut microbial communities of 49 children. We then evaluated these communities for diversity, potential biomarkers, and functional capacity. Alpha diversity of the non-obese group was higher than that of the obese group (Chao1, P = 0.006 and observed species, P = 0.003). Beta diversity analysis revealed significant variations in the gut microbiome between the two geographical locations, Cairo and Ismailia (unweighted UniFrac, P = 0.03) and between obesity statuses, obese and non-obese (weighted UniFrac, P = 0.034; unweighted UniFrac, P = 0.015). We observed a significantly higher Firmicutes/Bacteroidetes ratio in obese males than in non-obese males (P = 0.004). Interestingly, this difference was not seen in females (P = 0.77). Multivariable association with linear models (MaAsLin2) identified 8 microbial features associated with obesity, 12 associated with non-obesity, and found 29 and 13 features specific to Cairo and Ismailia patients, respectively. It has also shown one microbial feature associated with patients under five years old. MaAsLin2, however, failed to recognize any association between gender and the gut microbiome. Moreover, it could find the most predominant features in groups 2-9 but not in group 1. Another method used in the analysis is the Linear discriminant analysis Effect Size (LEfSe) approach, which effectively identified 19 biomarkers linked to obesity, 9 linked non-obesity, 20 linked to patients residing in Cairo, 14 linked to patients in Ismailia, one linked to males, and 12 linked to females. LEfSe could not, however, detect any prevalent bacteria among children younger or older than five. Future studies should take advantage of such correlations, specifically BMI, to determine the interventions needed for obesity management.
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Affiliation(s)
- Nada Mohamed Ezz El Deen
- Department of Microbiology and Immunology, Faculty of Pharmacy, Misr International University, Cairo, Egypt
| | - Mona Karem
- Department of Pediatrics, Endocrinology and Diabetes Division, Faculty of Medicine, Suez Canal University, Ismailia, Egypt
| | - Mervat Ismail El Borhamy
- Department of Microbiology and Immunology, Faculty of Pharmacy, Misr International University, Cairo, Egypt
| | - Amro Mohamed Said Hanora
- Department of Microbiology and Immunology, Faculty of Pharmacy, King Salman International University, Ras Sudr, Egypt.
- Department of Microbiology and Immunology, Faculty of Pharmacy, Suez Canal University, Ismailia, Egypt.
| | - Nora Fahmy
- Department of Microbiology and Immunology, Faculty of Pharmacy, Suez Canal University, Ismailia, Egypt
- Department of Microbiology and Immunology, Faculty of Pharmacy, Sinai University-Kantara Branch, Ismailia, Egypt
| | - Samira Zakeer
- Department of Microbiology and Immunology, Faculty of Pharmacy, Suez Canal University, Ismailia, Egypt
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Khalaf R, Sciberras M, Ellul P. The role of the fecal microbiota in inflammatory bowel disease. Eur J Gastroenterol Hepatol 2024:00042737-990000000-00382. [PMID: 38973540 DOI: 10.1097/meg.0000000000002818] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 07/09/2024]
Abstract
The understanding of the potential role of the microbiota in the pathogenesis of inflammatory bowel disease (IBD) is ever-evolving. Traditionally, the management of IBD has involved medical therapy and/or surgical intervention. IBD can be characterized by gut microbiome alterations through various pathological processes. Various studies delve into nontraditional methods such as probiotics and fecal microbiota transplant and their potential therapeutic effects. Fecal microbiota transplant involves the delivery of a balanced composition of gut microorganisms into an affected patient via multiple possible routes and methods, while probiotics consist of live microorganisms given via the oral route. At present, neither method is considered first-line treatment, however, fecal microbiota transplant has shown potential success in inducing and maintaining remission in ulcerative colitis. In a study by Kruis and colleagues, Escherichia coli Nissle 1917 was considered to be equivalent to mesalamine in mild ulcerative colitis. Alteration of the microbiome in the management of Crohn's disease is less well defined. Furthermore, variation in the clinical usefulness of 5-aminosalicylic acid medication has been attributed, in part, to its acetylation and inactivation by gut microbes. In summary, our understanding of the microbiome's role is continually advancing, with the possibility of paving the way for personalized medicine based on the microbiome.
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Affiliation(s)
- Rami Khalaf
- Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London, UK
| | | | - Pierre Ellul
- Division of Gastroenterology, Mater Dei Hospital, Msida, Malta
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You HS, Park JY, Seo H, Kim BJ, Kim JG. Increasing correlation between oral and gastric microbiota during gastric carcinogenesis. Korean J Intern Med 2024; 39:590-602. [PMID: 38910513 PMCID: PMC11236816 DOI: 10.3904/kjim.2023.490] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/13/2023] [Revised: 01/26/2024] [Accepted: 01/29/2024] [Indexed: 06/25/2024] Open
Abstract
BACKGROUND/AIMS Recent research has increasingly focused on the role of the gastric microbiome in the development of gastric cancer. We aimed to investigate the changes in the microbiome during gastric carcinogenesis in structural and functional aspects, with a specific focus on the association between oral and gastric microbiomes. METHODS We collected saliva, gastric juice, and gastric tissue samples from 141 patients at different stages of gastric carcinogenesis and processed them for microbiome analysis using 16S rRNA gene profiling. The alpha and beta diversities were analyzed, and the differences in microbiome composition and function profiles were analyzed among the groups, as well as the correlation between changes in the oral and gastric microbiomes during carcinogenesis. RESULTS We observed significant differences in microbial diversity and composition between the disease and control groups, primarily in the gastric juice. Specific bacterial strains, including Schaalia odontolytica, Streptococcus cristatus, and Peptostreptococcus stomatis, showed a significant increase in abundance in the gastric juice in the low-grade dysplasia and gastric cancer groups. Notably, the correlation between the oral and gastric microbiota compositions, increased as the disease progressed. Predictive analysis of the metagenomic functional profiles revealed changes in functional pathways that may be associated with carcinogenesis (ABC transport and two-component systems). CONCLUSION During gastric carcinogenesis, the abundance of oral commensals associated with cancer increased in the stomach. The similarity in microbial composition between the stomach and oral cavity also increased, implying a potential role of oral-gastric bacterial interactions in gastric cancer development.
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Affiliation(s)
- Hee Sang You
- Laboratory of Gastrointestinal Mucosal Immunology, Chung-Ang University College of Medicine, Seoul,
Korea
- Department of Internal Medicine, Chung-Ang University College of Medicine, Seoul,
Korea
| | - Jae Yong Park
- Department of Internal Medicine, Chung-Ang University College of Medicine, Seoul,
Korea
| | - Hochan Seo
- Laboratory of Gastrointestinal Mucosal Immunology, Chung-Ang University College of Medicine, Seoul,
Korea
- Department of Internal Medicine, Chung-Ang University College of Medicine, Seoul,
Korea
| | - Beom Jin Kim
- Department of Internal Medicine, Chung-Ang University College of Medicine, Seoul,
Korea
| | - Jae Gyu Kim
- Department of Internal Medicine, Chung-Ang University College of Medicine, Seoul,
Korea
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Valdés‐Bango M, Gracia M, Rubio E, Vergara A, Casals‐Pascual C, Ros C, Rius M, Martínez‐Zamora MÁ, Mension E, Quintas L, Carmona F. Comparative analysis of endometrial, vaginal, and gut microbiota in patients with and without adenomyosis. Acta Obstet Gynecol Scand 2024; 103:1271-1282. [PMID: 38661227 PMCID: PMC11168268 DOI: 10.1111/aogs.14847] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2024] [Revised: 03/30/2024] [Accepted: 04/02/2024] [Indexed: 04/26/2024]
Abstract
INTRODUCTION Alterations in microbiota composition have been implicated in a variety of human diseases. Patients with adenomyosis present immune dysregulation leading to a persistent chronic inflammatory response. In this context, the hypothesis that alterations in the microbiota may be involved in the pathogenesis of adenomyosis, by affecting the epigenetic, immunologic, and biochemical functions of the host, has recently been postulated. The aim of the present study was to compare the microbiota composition in the vagina, endometrium, and gut of individuals with and without adenomyosis. MATERIAL AND METHODS Cross-sectional study including 38 adenomyosis patients and 46 controls, performed between September 2021 and October 2022 in a university hospital-based research center. The diagnosis of adenomyosis was based on sonographic criteria. Fecal, vaginal, and endometrial samples were collected. Study of the microbiota using 16S rRNA gene sequencing. RESULTS Patients with adenomyosis exhibited a significant reduction in the gut microbial alpha diversity compared with healthy controls (Chao1 p = 0.012, Fisher p = 0.005, Observed species p = 0.005). Beta-diversity analysis showed significant differences in the compositions of both gut and vaginal microbiota between adenomyosis patients and the control group (Adonis p-value = 0.001; R2 = 0.03 and Adonis p-value = 0.034; R2 = 0.04 respectively). Specific bacterial taxa were found to be either overrepresented (Rhodospirillales, Ruminococcus gauvreauii group, Ruminococcaceae, and Actinomyces) or underrepresented in the gut and endometrial microbiota of adenomyosis patients compared with controls. Distinct microbiota profiles were identified among patients with internal and external adenomyosis phenotypes. CONCLUSIONS The study revealed reduced gut microbiota diversity in adenomyosis patients, accompanied by distinct compositions in gut and vaginal microbiota compared with controls. Overrepresented or underrepresented bacterial taxa were noted in the gut and endometrial microbiota of adenomyosis patients, with variations in microbiota profiles among those with internal and external adenomyosis phenotypes. These findings suggest a potential association between microbiota and adenomyosis, indicating the need for further research to comprehensively understand the implications of these differences.
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Affiliation(s)
- Marta Valdés‐Bango
- Endometriosis Unit, Gynecology Department, Institute Clinic of Gynecology, Obstetrics and Neonatology (ICGON), Hospital Clinic of BarcelonaUniversitat de BarcelonaBarcelonaSpain
| | - Meritxell Gracia
- Endometriosis Unit, Gynecology Department, Institute Clinic of Gynecology, Obstetrics and Neonatology (ICGON), Hospital Clinic of BarcelonaUniversitat de BarcelonaBarcelonaSpain
| | - Elisa Rubio
- Department of Clinical Microbiology, Hospital Clinic of BarcelonaUniversitat de BarcelonaBarcelonaSpain
| | - Andrea Vergara
- Department of Clinical Microbiology, Hospital Clinic of BarcelonaUniversitat de BarcelonaBarcelonaSpain
- Barcelona Institute for Global Health (ISGlobal)BarcelonaSpain
- CIBER Enfermedades Infecciosas (CIBERINFEC)Instituto Salud Carlos IIIMadridSpain
| | - Climent Casals‐Pascual
- Department of Clinical Microbiology, Hospital Clinic of BarcelonaUniversitat de BarcelonaBarcelonaSpain
- Barcelona Institute for Global Health (ISGlobal)BarcelonaSpain
- CIBER Enfermedades Infecciosas (CIBERINFEC)Instituto Salud Carlos IIIMadridSpain
| | - Cristina Ros
- Endometriosis Unit, Gynecology Department, Institute Clinic of Gynecology, Obstetrics and Neonatology (ICGON), Hospital Clinic of BarcelonaUniversitat de BarcelonaBarcelonaSpain
| | - Mariona Rius
- Endometriosis Unit, Gynecology Department, Institute Clinic of Gynecology, Obstetrics and Neonatology (ICGON), Hospital Clinic of BarcelonaUniversitat de BarcelonaBarcelonaSpain
| | - Maria Ángeles Martínez‐Zamora
- Endometriosis Unit, Gynecology Department, Institute Clinic of Gynecology, Obstetrics and Neonatology (ICGON), Hospital Clinic of BarcelonaUniversitat de BarcelonaBarcelonaSpain
| | - Eduard Mension
- Endometriosis Unit, Gynecology Department, Institute Clinic of Gynecology, Obstetrics and Neonatology (ICGON), Hospital Clinic of BarcelonaUniversitat de BarcelonaBarcelonaSpain
| | - Lara Quintas
- Endometriosis Unit, Gynecology Department, Institute Clinic of Gynecology, Obstetrics and Neonatology (ICGON), Hospital Clinic of BarcelonaUniversitat de BarcelonaBarcelonaSpain
| | - Francisco Carmona
- Endometriosis Unit, Gynecology Department, Institute Clinic of Gynecology, Obstetrics and Neonatology (ICGON), Hospital Clinic of BarcelonaUniversitat de BarcelonaBarcelonaSpain
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Montrose JA, Kurada S, Fischer M. Current and future microbiome-based therapies in inflammatory bowel disease. Curr Opin Gastroenterol 2024; 40:258-267. [PMID: 38841848 DOI: 10.1097/mog.0000000000001027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 06/07/2024]
Abstract
PURPOSE OF REVIEW The role of the microbiome and dysbiosis is increasingly recognized in the pathogenesis of inflammatory bowel disease (IBD). Intestinal microbiota transplant (IMT), previously termed fecal microbiota transplant has demonstrated efficacy in restoring a healthy microbiome and promoting gut health in recurrent Clostridioides difficile infection. Several randomized trials (RCTs) highlighted IMT's potential in treating ulcerative colitis, while smaller studies reported on its application in managing Crohn's disease and pouchitis. RECENT FINDINGS This review delves into the current understanding of dysbiosis in IBD, highlighting the distinctions in the microbiota of patients with IBD compared to healthy controls. It explores the mechanisms by which IMT can restore a healthy microbiome and provides a focused analysis of recent RCTs using IMT for inducing and maintaining remission in IBD. Lastly, we discuss the current knowledge gaps that limit its widespread use. SUMMARY The body of evidence supporting the use of IMT in IBD is growing. The lack of a standardized protocol impedes its application beyond clinical trials. Further research is needed to identify patient profile and disease phenotypes that benefit from IMT, to delineate key donor characteristics, optimize the delivery route, dosage, and frequency.
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Affiliation(s)
| | - Satya Kurada
- Department of Medicine, Division of Gastroenterology and Hepatology, Indiana University School of Medicine, Indianapolis, Indiana, USA
| | - Monika Fischer
- Department of Medicine, Division of Gastroenterology and Hepatology, Indiana University School of Medicine, Indianapolis, Indiana, USA
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11
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Shi Z, Lan Y, Wang Y, Yan X, Ma X, Hassan FU, Rushdi HE, Xu Z, Wang W, Deng T. Multi-omics strategy reveals potential role of antimicrobial resistance and virulence factor genes responsible for Simmental diarrheic calves caused by Escherichia coli. mSystems 2024; 9:e0134823. [PMID: 38742910 PMCID: PMC11237395 DOI: 10.1128/msystems.01348-23] [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: 12/12/2023] [Accepted: 04/05/2024] [Indexed: 05/16/2024] Open
Abstract
Escherichia coli (E. coli) is reported to be an important pathogen associated with calf diarrhea. Antibiotic resistance genes (ARGs) and virulence factor genes (VFGs) pose a considerable threat to both animal and human health. However, little is known about the characterization of ARGs and VFGs presented in the gut microbiota of diarrheic calves caused by E. coli. In this study, we used multi-omics strategy to analyze the ARG and VFG profiles of Simmental calves with diarrhea caused by E. coli K99. We found that gut bacterial composition and their microbiome metabolic functions varied greatly in diarrheic calves compared to healthy calves. In total, 175 ARGs were identified, and diarrheal calves showed a significantly higher diversity and abundance of ARGs than healthy calves. Simmental calves with diarrhea showed higher association of VFGs with pili function, curli assembly, and ferrienterobactin transport of E. coli. Co-occurrence patterns based on Pearson correlation analysis revealed that E. coli had a highly significant (P < 0.0001) correlation coefficient (>0.8) with 16 ARGs and 7 VFGs. Metabolomics analysis showed that differentially expressed metabolites in Simmental calves with diarrhea displayed a high correlation with the aforementioned ARGs and VFGs. Phylotype analysis of E. coli genomes showed that the predominant phylogroup B1 in diarrheic Simmental calves was associated with 10 ARGs and 3 VFGs. These findings provide an overview of the diversity and abundance of the gut microbiota in diarrheic calves caused by E. coli and pave the way for further studies on the mechanisms of antibiotic resistance and virulence in the calves affected with diarrhea.IMPORTANCESimmental is a well-recognized beef cattle breed worldwide. They also suffer significant economic losses due to diarrhea. In this study, fecal metagenomic analysis was applied to characterize the antibiotic resistance gene (ARG) and virulence factor gene (VFG) profiles of diarrheic Simmental calves. We identified key ARGs and VFGs correlated with Escherichia coli isolated from Simmental calves. Additionally, metabolomics analysis showed that differentially expressed metabolites in Simmental calves with diarrhea displayed a high correlation with the aforementioned ARGs and VFGs. Our findings provide an insight into the diversity and abundance of the gut microbiota in diarrheic calves caused by Escherichia coli and pave the way for further studies on the mechanisms of antibiotic resistance and virulence in the diarrheal calves from cattle hosts.
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Affiliation(s)
- Zhihai Shi
- Institute of Animal Husbandry and Veterinary Medicine, Henan Academy of Agricultural Sciences, Zhengzhou, China
| | - Yali Lan
- Institute of Animal Husbandry and Veterinary Medicine, Henan Academy of Agricultural Sciences, Zhengzhou, China
| | - Yazhou Wang
- Institute of Animal Husbandry and Veterinary Medicine, Henan Academy of Agricultural Sciences, Zhengzhou, China
| | - Xiangzhou Yan
- Institute of Animal Husbandry and Veterinary Medicine, Henan Academy of Agricultural Sciences, Zhengzhou, China
| | - Xiaoya Ma
- Guangxi Provincial Key Laboratory of Buffalo Genetics, Breeding and Reproduction Technology, Buffalo Research Institute, Chinese Academy of Agricultural Sciences, Nanning, China
| | - Faiz-Ul Hassan
- Institute of Animal and Dairy Sciences, University of Agriculture, Faisalabad, Pakistan
| | - Hossam E Rushdi
- Department of Animal Production, Faculty of Agriculture, Cairo University, Giza, Egypt
| | - Zhaoxue Xu
- Institute of Animal Husbandry and Veterinary Medicine, Henan Academy of Agricultural Sciences, Zhengzhou, China
| | - Wenjia Wang
- College of Veterinary Medicine, Henan University of Animal Husbandry and Economy, Zhengzhou, Henan, China
| | - Tingxian Deng
- Guangxi Provincial Key Laboratory of Buffalo Genetics, Breeding and Reproduction Technology, Buffalo Research Institute, Chinese Academy of Agricultural Sciences, Nanning, China
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12
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Goldenberg JZ, Wright TJ, Batson RD, Wexler RS, McGovern KA, Venugopal NK, Ward WW, Randolph KM, Urban RJ, Pyles RB, Sheffield-Moore M. What is the association between the microbiome and cognition? An umbrella review protocol. BMJ Open 2024; 14:e077873. [PMID: 38890133 PMCID: PMC11191802 DOI: 10.1136/bmjopen-2023-077873] [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: 07/17/2023] [Accepted: 06/03/2024] [Indexed: 06/20/2024] Open
Abstract
INTRODUCTION Cognitive impairment is reported in a variety of clinical conditions including Alzheimer's disease, Parkinson's and 'long-COVID'. Interestingly, many of these clinical conditions are also associated with microbial dysbiosis. This comanifestation of cognitive and microbiome findings in seemingly unrelated maladies suggests that they could share a common mechanism and potentially presents a treatment target. Although a rapidly growing body of literature has documented this comorbid presentation within specific conditions, an overview highlighting potential parallels across healthy and clinical populations is lacking. The objective of this umbrella review, therefore, is to summarise and synthesise the findings of these systematic reviews. METHODS AND ANALYSIS On 2 April 2023, we searched MEDLINE (Pubmed), Embase (Ovid), the Web of Science (Core Collection), the Cochrane Library of Systematic Reviews and Epistemonikos as well as grey literature sources, for systematic reviews on clinical conditions and interventions where cognitive and microbiome outcomes were coreported. An updated search will be conducted before completion of the project if the search-to-publication date is >1 year old. Screening, data abstraction and quality assessment (AMSTAR 2, A MeaSurement Tool to Assess systematic Reviews) will be conducted independently and in duplicate, with disagreements resolved by consensus. Evidence certainty statements for each review's conclusions (eg, Grading of Recommendations Assessment, Development and Evaluation (GRADE)) will be extracted or constructed de novo. A narrative synthesis will be conducted and delineated by the review question. Primary study overlap will be visualised using a citation matrix as well as calculated using the corrected covered area method. ETHICS AND DISSEMINATION No participant-identifying information will be used in this review. No ethics approval was required due to our study methodology. Our findings will be presented at national and international conferences and disseminated via social media and press releases. We will recruit at least one person living with cognitive impairment to collaborate on writing the plain language summary for the review. PROSPERO REGISTRATION NUMBER CRD42023412903.
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Affiliation(s)
- Joshua Z Goldenberg
- Helfgott Research Institute, National University of Natural Medicine, Portland, Oregon, USA
- Endocrine and Brain Injury Research Alliance, Friday Harbor, Washington, USA
| | - Traver J Wright
- The University of Texas Medical Branch at Galveston School of Medicine, Galveston, Texas, USA
| | - Richard D Batson
- Helfgott Research Institute, National University of Natural Medicine, Portland, Oregon, USA
- Endocrine and Brain Injury Research Alliance, Friday Harbor, Washington, USA
| | - Ryan S Wexler
- Helfgott Research Institute, National University of Natural Medicine, Portland, Oregon, USA
| | - Kristen A McGovern
- The University of Texas Medical Branch at Galveston School of Medicine, Galveston, Texas, USA
| | - Navneet K Venugopal
- The University of Texas Medical Branch at Galveston School of Medicine, Galveston, Texas, USA
| | - Weston W Ward
- The University of Texas Medical Branch at Galveston School of Medicine, Galveston, Texas, USA
| | - Kathleen M Randolph
- The University of Texas Medical Branch at Galveston School of Medicine, Galveston, Texas, USA
| | - Randall J Urban
- The University of Texas Medical Branch at Galveston School of Medicine, Galveston, Texas, USA
| | - Richard B Pyles
- The University of Texas Medical Branch at Galveston School of Medicine, Galveston, Texas, USA
| | - Melinda Sheffield-Moore
- The University of Texas Medical Branch at Galveston School of Medicine, Galveston, Texas, USA
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13
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Salsinha AS, Cima A, Araújo-Rodrigues H, Viana S, Reis F, Coscueta ER, Rodríguez-Alcalá LM, Relvas JB, Pintado M. The use of an in vitro fecal fermentation model to uncover the beneficial role of omega-3 and punicic acid in gut microbiota alterations induced by a Western diet. Food Funct 2024; 15:6095-6117. [PMID: 38757812 DOI: 10.1039/d4fo00727a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/18/2024]
Abstract
The influence of gut microbiota in the onset and development of several metabolic diseases has gained attention over the last few years. Diet plays an essential role in gut microbiota modulation. Western diet (WD), characterized by high-sugar and high-fat consumption, alters gut microbiome composition, diversity index, microbial relative levels, and functional pathways. Despite the promising health effects demonstrated by polyunsaturated fatty acids, their impact on gut microbiota is still overlooked. The effect of Fish oil (omega-3 source) and Pomegranate oil (punicic acid source), and a mixture of both oils in gut microbiota modulation were determined by subjecting the oil samples to in vitro fecal fermentations. Cecal samples from rats from two different dietary groups: a control diet (CD) and a high-fat high-sugar diet (WD), were used as fecal inoculum. 16S amplicon metagenomics sequencing showed that Fish oil + Pomegranate oil from the WD group increased α-diversity. This sample can also increase the relative abundance of the Firmicutes and Bacteroidetes phylum as well as Akkermansia and Blautia, which were affected by the WD consumption. All samples were able to increase butyrate and acetate concentration in the WD group. Moreover, tyrosine concentrations, a precursor for dopamine and norepinephrine, increase in the Fish oil + Pomegranate oil WD sample. GABA, an important neurotransmitter, was also increased in WD samples. These results suggest a potential positive impact of these oils' mixture on gut-brain axis modulation. It was demonstrated, for the first time, the great potential of using a mixture of both Fish and Pomegranate oil to restore the gut microbiota changes associated with WD consumption.
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Affiliation(s)
- Ana Sofia Salsinha
- Universidade Católica Portuguesa, CBQF - Centro de Biotecnologia e Química Fina -Laboratório Associado, Escola Superior de Biotecnologia, Rua de Diogo Botelho, 1327, 4169-005 Porto, Portugal.
- Instituto de Investigação e Inovação em Saúde and Instituto de Biologia Molecular e Celular (IBMC), Universidade do Porto - Rua Alfredo Allen, 208, 4200-135 Porto, Portugal
| | - André Cima
- Universidade Católica Portuguesa, CBQF - Centro de Biotecnologia e Química Fina -Laboratório Associado, Escola Superior de Biotecnologia, Rua de Diogo Botelho, 1327, 4169-005 Porto, Portugal.
| | - Helena Araújo-Rodrigues
- Universidade Católica Portuguesa, CBQF - Centro de Biotecnologia e Química Fina -Laboratório Associado, Escola Superior de Biotecnologia, Rua de Diogo Botelho, 1327, 4169-005 Porto, Portugal.
- Instituto de Investigação e Inovação em Saúde and Instituto de Biologia Molecular e Celular (IBMC), Universidade do Porto - Rua Alfredo Allen, 208, 4200-135 Porto, Portugal
| | - Sofia Viana
- Coimbra Institute of Clinical and Biomedical Research (iCBR), Faculty of Medicine and Center for Innovative Biomedicine and Biotechnology (CIBB), University of Coimbra, Coimbra, Portugal
- Clinical Academic Center of Coimbra, Coimbra, Portugal
- Instituto Politécnico de Coimbra, Escola Superior de Tecnologia da Saúde de Coimbra, Rua 5 de Outubro - S. Martinho Bispo, Apartado 7006, 3046-854 Coimbra, Portugal
| | - Flávio Reis
- Coimbra Institute of Clinical and Biomedical Research (iCBR), Faculty of Medicine and Center for Innovative Biomedicine and Biotechnology (CIBB), University of Coimbra, Coimbra, Portugal
- Clinical Academic Center of Coimbra, Coimbra, Portugal
| | - Ezequiel R Coscueta
- Universidade Católica Portuguesa, CBQF - Centro de Biotecnologia e Química Fina -Laboratório Associado, Escola Superior de Biotecnologia, Rua de Diogo Botelho, 1327, 4169-005 Porto, Portugal.
| | - Luis Miguel Rodríguez-Alcalá
- Universidade Católica Portuguesa, CBQF - Centro de Biotecnologia e Química Fina -Laboratório Associado, Escola Superior de Biotecnologia, Rua de Diogo Botelho, 1327, 4169-005 Porto, Portugal.
| | - João B Relvas
- Instituto de Investigação e Inovação em Saúde and Instituto de Biologia Molecular e Celular (IBMC), Universidade do Porto - Rua Alfredo Allen, 208, 4200-135 Porto, Portugal
- Departmento de Biomedicina, Faculdade de Medicina da Universidade do Porto (FMUP), 4200-319 Porto, Portugal
| | - Manuela Pintado
- Universidade Católica Portuguesa, CBQF - Centro de Biotecnologia e Química Fina -Laboratório Associado, Escola Superior de Biotecnologia, Rua de Diogo Botelho, 1327, 4169-005 Porto, Portugal.
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14
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Oladele P, Ngo J, Chang T, Johnson TA. Temporal dynamics of fecal microbiota community succession in broiler chickens, calves, and piglets under aerobic exposure. Microbiol Spectr 2024; 12:e0408423. [PMID: 38717193 PMCID: PMC11237419 DOI: 10.1128/spectrum.04084-23] [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: 11/30/2023] [Accepted: 04/16/2024] [Indexed: 06/06/2024] Open
Abstract
Researchers have extensively studied the effect of oxygen on the growth and survival of bacteria. However, the impact of oxygen on bacterial community structure, particularly its ability to select for taxa within the context of a complex microbial community, is still unclear. In a 21-day microcosm experiment, we investigated the effect of aerobic exposure on the fecal community structure and succession pattern in broiler, calf, and piglet feces (n = 10 for each feces type). Bacterial diversity decreased and community structure changed rapidly in the broiler microbiome (P < 0.001), while the fecal community of calves and piglets, which have higher initial diversity, was stable after initial exposure but decreased in diversity after 3 days (P < 0.001). The response to aerobic exposure was host animal specific, but in all three animals, the change in community structure was driven by a decrease in anaerobic species, primarily belonging to Firmicutes and Bacteroidetes (except in broilers where Bacteroidetes increased), along with an increase in aerobic species belonging to Proteobacteria and Actinobacteria. Using random forest regression, we identified microbial features that predict aerobic exposure. In all three animals, host-beneficial Prevotella-related ASVs decreased after exposure, while ASVs belonging to Acinetobacter, Corynbacterium, and Tissierella were increased. The decrease of Prevotella was rapid in broilers but delayed in calves and piglets. Knowing when these pathobionts increase in abundance after aerobic exposure could inform farm sanitation practices and could be important in designing animal experiments that modulate the microbiome.IMPORTANCEThe fecal microbial community is contained within a dynamic ecosystem of interacting microbes that varies in biotic and abiotic components across different animal species. Although oxygen affects bacterial growth, its specific impact on the structure of complex communities, such as those found in feces, and how these effects vary between different animal species are poorly understood. In this study, we demonstrate that the effect of aerobic exposure on the fecal microbiota was host-animal-specific, primarily driven by a decrease in Firmicutes and Bacteroidetes, but accompanied by an increase in Actinobacteria, Proteobacteria, and other pathobionts. Interestingly, we observed that more complex communities from pig and cattle exhibited initial resilience, while a less diverse community from broilers displayed a rapid response to aerobic exposure. Our findings offer insights that can inform farm sanitation practices, as well as experimental design, sample collection, and processing protocols for microbiome studies across various animal species.
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Affiliation(s)
- Paul Oladele
- Department of Animal Sciences, Purdue University, West Lafayette, Indiana, USA
| | - Jennifer Ngo
- Department of Animal Sciences, Purdue University, West Lafayette, Indiana, USA
| | - Tiffany Chang
- Department of Animal Sciences, Purdue University, West Lafayette, Indiana, USA
| | - Timothy A. Johnson
- Department of Animal Sciences, Purdue University, West Lafayette, Indiana, USA
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15
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Bessa MK, Bessa GR, Bonamigo RR. Kefir as a therapeutic agent in clinical research: a scoping review. Nutr Res Rev 2024; 37:79-95. [PMID: 36994828 DOI: 10.1017/s0954422423000070] [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: 03/31/2023]
Abstract
Increasing research has been conducted on the role of probiotics in disease treatment. Kefir, a safe, low-cost probiotic fermented milk drink, has been investigated in many in vitro and animal studies, although parameters for human therapeutic dose or treatment time have not yet been determined. Here we perform a scoping review of clinical studies that have used kefir as a therapeutic agent, compiling the results for perspectives to support and direct further research. This review was based on Joanna Briggs Institute guidelines, including studies on the effects of kefir-fermented milk in humans. Using the term KEFIR, the main international databases were searched for studies published in English, Spanish or Portuguese until 9 March 2022. A total of 5835 articles were identified in the four databases, with forty-four eligible for analysis. The research areas were classified as metabolic syndrome and type 2 diabetes, gastrointestinal health/disorders, maternal/child health and paediatrics, dentistry, oncology, women's and geriatric health, and dermatology. The many study limitations hampered generalisation of the results. The small sample sizes, methodological variation and differences in kefir types, dosage and treatment duration prevented clear conclusions about its benefits for specific diseases. We suggest using a standard therapeutic dose of traditionally prepared kefir in millilitres according to body weight, making routine consumption more feasible. The studies showed that kefir is safe for people without serious illnesses.
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Affiliation(s)
- Milena Klippel Bessa
- Postgraduate Program in Pathology, Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA), Rua Sarmento Leite, 245, 90050-170, Porto Alegre, RS, Brazil
| | | | - Renan Rangel Bonamigo
- Postgraduate Program in Pathology, Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA), Rua Sarmento Leite, 245, 90050-170, Porto Alegre, RS, Brazil
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16
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Foppa C, Rizkala T, Repici A, Hassan C, Spinelli A. Microbiota and IBD: Current knowledge and future perspectives. Dig Liver Dis 2024; 56:911-922. [PMID: 38008696 DOI: 10.1016/j.dld.2023.11.015] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/19/2023] [Revised: 10/18/2023] [Accepted: 11/09/2023] [Indexed: 11/28/2023]
Abstract
Inflammatory Bowel Disease (IBD) is a chronic relapsing-remitting disease with a remarkable increase in incidence worldwide and a substantial disease burden. Although the pathophysiology is not fully elucidated yet an aberrant immune reaction against the intestinal microbiota and the gut microbial dysbiosis have been identified to play a major role. The composition of gut microbiota in IBD patients is distinct from that of healthy individuals, with certain organisms predominating over others. Differences in the microbial dysbiosis have been also observed between Crohn Disease (CD) and Ulcerative Colitis (UC). A disruption of the microbiota's balance can lead to inflammation and intestinal damage. Microbiota composition in IBD can be affected both by endogenous (i.e., interaction with the immune system and intestinal epithelial cells) and exogenous (i.e., medications, surgery, diet) factors. The complex interplay between the gut microbiota and IBD is an area of great interest for understanding disease pathogenesis and developing new treatments. The purpose of this review is to summarize the latest evidence on the role of microbiota in IBD pathogenesis and to explore possible future areas of research.
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Affiliation(s)
- Caterina Foppa
- Department of Biomedical Sciences, Humanitas University, Via Rita Levi Montalcini 4, Pieve Emanuele, 20090, Milan, Italy; IRCCS Humanitas Research Hospital, Division of Colon and Rectal Surgery, via Manzoni 56, Rozzano, 20089, Milan, Italy
| | - Tommy Rizkala
- Department of Biomedical Sciences, Humanitas University, Via Rita Levi Montalcini 4, Pieve Emanuele, 20090, Milan, Italy
| | - Alessandro Repici
- Department of Biomedical Sciences, Humanitas University, Via Rita Levi Montalcini 4, Pieve Emanuele, 20090, Milan, Italy; IRCCS Humanitas Research Hospital, Division of Gastroenterology and Digestive Endoscopy Unit, via Manzoni 56, Rozzano, 20089, Milan, Italy
| | - Cesare Hassan
- Department of Biomedical Sciences, Humanitas University, Via Rita Levi Montalcini 4, Pieve Emanuele, 20090, Milan, Italy; IRCCS Humanitas Research Hospital, Division of Gastroenterology and Digestive Endoscopy Unit, via Manzoni 56, Rozzano, 20089, Milan, Italy
| | - Antonino Spinelli
- Department of Biomedical Sciences, Humanitas University, Via Rita Levi Montalcini 4, Pieve Emanuele, 20090, Milan, Italy; IRCCS Humanitas Research Hospital, Division of Colon and Rectal Surgery, via Manzoni 56, Rozzano, 20089, Milan, Italy.
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17
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Warren A, Nyavor Y, Zarabian N, Mahoney A, Frame LA. The microbiota-gut-brain-immune interface in the pathogenesis of neuroinflammatory diseases: a narrative review of the emerging literature. Front Immunol 2024; 15:1365673. [PMID: 38817603 PMCID: PMC11137262 DOI: 10.3389/fimmu.2024.1365673] [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: 01/04/2024] [Accepted: 04/29/2024] [Indexed: 06/01/2024] Open
Abstract
Importance Research is beginning to elucidate the sophisticated mechanisms underlying the microbiota-gut-brain-immune interface, moving from primarily animal models to human studies. Findings support the dynamic relationships between the gut microbiota as an ecosystem (microbiome) within an ecosystem (host) and its intersection with the host immune and nervous systems. Adding this to the effects on epigenetic regulation of gene expression further complicates and strengthens the response. At the heart is inflammation, which manifests in a variety of pathologies including neurodegenerative diseases such as Alzheimer's disease, Parkinson's disease, and Multiple Sclerosis (MS). Observations Generally, the research to date is limited and has focused on bacteria, likely due to the simplicity and cost-effectiveness of 16s rRNA sequencing, despite its lower resolution and inability to determine functional ability/alterations. However, this omits all other microbiota including fungi, viruses, and phages, which are emerging as key members of the human microbiome. Much of the research has been done in pre-clinical models and/or in small human studies in more developed parts of the world. The relationships observed are promising but cannot be considered reliable or generalizable at this time. Specifically, causal relationships cannot be determined currently. More research has been done in Alzheimer's disease, followed by Parkinson's disease, and then little in MS. The data for MS is encouraging despite this. Conclusions and relevance While the research is still nascent, the microbiota-gut-brain-immune interface may be a missing link, which has hampered our progress on understanding, let alone preventing, managing, or putting into remission neurodegenerative diseases. Relationships must first be established in humans, as animal models have been shown to poorly translate to complex human physiology and environments, especially when investigating the human gut microbiome and its relationships where animal models are often overly simplistic. Only then can robust research be conducted in humans and using mechanistic model systems.
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Affiliation(s)
- Alison Warren
- The Frame-Corr Laboratory, Department of Clinical Research and Leadership, The George Washington University School of Medicine and Health Sciences, Washington, DC, United States
| | - Yvonne Nyavor
- Department of Biotechnology, Harrisburg University of Science and Technology, Harrisburg, PA, United States
| | - Nikkia Zarabian
- The Frame-Corr Laboratory, Department of Clinical Research and Leadership, The George Washington University School of Medicine and Health Sciences, Washington, DC, United States
| | - Aidan Mahoney
- The Frame-Corr Laboratory, Department of Clinical Research and Leadership, The George Washington University School of Medicine and Health Sciences, Washington, DC, United States
- Undergraduate College, Princeton University, Princeton, NJ, United States
| | - Leigh A. Frame
- The Frame-Corr Laboratory, Department of Clinical Research and Leadership, The George Washington University School of Medicine and Health Sciences, Washington, DC, United States
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18
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Herman C, Barker BM, Bartelli TF, Chandra V, Krajmalnik-Brown R, Jewell M, Li L, Liao C, McAllister F, Nirmalkar K, Xavier JB, Gregory Caporaso J. Assessing Engraftment Following Fecal Microbiota Transplant. ARXIV 2024:arXiv:2404.07325v1. [PMID: 38659636 PMCID: PMC11042410] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Download PDF] [Subscribe] [Scholar Register] [Indexed: 04/26/2024]
Abstract
Fecal Microbiota Transplant (FMT) is an FDA approved treatment for recurrent Clostridium difficile infections, and is being explored for other clinical applications, from alleviating digestive and neurological disorders, to priming the microbiome for cancer treatment, and restoring microbiomes impacted by cancer treatment. Quantifying the extent of engraftment following an FMT is important in determining if a recipient didn't respond because the engrafted microbiome didn't produce the desired outcomes (a successful FMT, but negative treatment outcome), or the microbiome didn't engraft (an unsuccessful FMT and negative treatment outcome). The lack of a consistent methodology for quantifying FMT engraftment extent hinders the assessment of FMT success and its relation to clinical outcomes, and presents challenges for comparing FMT results and protocols across studies. Here we review 46 studies of FMT in humans and model organisms and group their approaches for assessing the extent to which an FMT engrafts into three criteria: 1) Chimeric Asymmetric Community Coalescence investigates microbiome shifts following FMT engraftment using methods such as alpha diversity comparisons, beta diversity comparisons, and microbiome source tracking. 2) Donated Microbiome Indicator Features tracks donated microbiome features (e.g., amplicon sequence variants or species of interest) as a signal of engraftment with methods such as differential abundance testing based on the current sample collection, or tracking changes in feature abundances that have been previously identified (e.g., from FMT or disease-relevant literature). 3) Temporal Stability examines how resistant post-FMT recipient's microbiomes are to reverting back to their baseline microbiome. Individually, these criteria each highlight a critical aspect of microbiome engraftment; investigated together, however, they provide a clearer assessment of microbiome engraftment. We discuss the pros and cons of each of these criteria, providing illustrative examples of their application. We also introduce key terminology and recommendations on how FMT studies can be analyzed for rigorous engraftment extent assessment.
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Affiliation(s)
- Chloe Herman
- Pathogen and Microbiome Institute, Northern Arizona University, Flagstaff, AZ, USA
- School of Informatics, Computing and Cyber Systems, Northern Arizona University, Flagstaff, AZ, USA
| | - Bridget M Barker
- Pathogen and Microbiome Institute, Northern Arizona University, Flagstaff, AZ, USA
| | - Thais F Bartelli
- Department of Clinical Cancer Prevention, University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Vidhi Chandra
- Department of Clinical Cancer Prevention, University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Rosa Krajmalnik-Brown
- Biodesign Center for Health Through Microbiomes, Arizona State University, Tempe, AZ, U.S.A
- School of Sustainable Engineering and the Built Environment, Arizona State University, Tempe, AZ, U.S.A
| | | | - Le Li
- Department of Clinical Cancer Prevention, University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Chen Liao
- Program for Computational and Systems Biology, Memorial Sloan-Kettering Cancer Center, New York, NY, USA
| | - Florencia McAllister
- Department of Clinical Cancer Prevention, University of Texas MD Anderson Cancer Center, Houston, TX, USA
- Department of Gastrointestinal Medical Oncology, University of Texas MD Anderson Cancer Center, Houston, TX, USA
- Department of Immunology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Khemlal Nirmalkar
- Biodesign Center for Health Through Microbiomes, Arizona State University, Tempe, AZ, U.S.A
| | - Joao B Xavier
- Program for Computational and Systems Biology, Memorial Sloan-Kettering Cancer Center, New York, NY, USA
| | - J Gregory Caporaso
- Pathogen and Microbiome Institute, Northern Arizona University, Flagstaff, AZ, USA
- School of Informatics, Computing and Cyber Systems, Northern Arizona University, Flagstaff, AZ, USA
- Department of Biological Sciences, Northern Arizona University, Flagstaff, AZ, USA
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19
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Sechovcová H, Mahayri TM, Mrázek J, Jarošíková R, Husáková J, Wosková V, Fejfarová V. Gut microbiota in relationship to diabetes mellitus and its late complications with a focus on diabetic foot syndrome: A review. Folia Microbiol (Praha) 2024; 69:259-282. [PMID: 38095802 DOI: 10.1007/s12223-023-01119-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2023] [Accepted: 12/05/2023] [Indexed: 04/11/2024]
Abstract
Diabetes mellitus is a chronic disease affecting glucose metabolism. The pathophysiological reactions underpinning the disease can lead to the development of late diabetes complications. The gut microbiota plays important roles in weight regulation and the maintenance of a healthy digestive system. Obesity, diabetes mellitus, diabetic retinopathy, diabetic nephropathy and diabetic neuropathy are all associated with a microbial imbalance in the gut. Modern technical equipment and advanced diagnostic procedures, including xmolecular methods, are commonly used to detect both quantitative and qualitative changes in the gut microbiota. This review summarises collective knowledge on the role of the gut microbiota in both types of diabetes mellitus and their late complications, with a particular focus on diabetic foot syndrome.
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Affiliation(s)
- Hana Sechovcová
- Laboratory of Anaerobic Microbiology, Institute of Animal Physiology and Genetics, CAS, Vídeňská, 1083, 142 20, Prague, Czech Republic
- Faculty of Agrobiology, Food and Natural Resources, Department of Microbiology, Nutrition and Dietetics, Czech University of Life Sciences, Prague, Czech Republic
| | - Tiziana Maria Mahayri
- Laboratory of Anaerobic Microbiology, Institute of Animal Physiology and Genetics, CAS, Vídeňská, 1083, 142 20, Prague, Czech Republic.
- Department of Veterinary Medicine, University of Sassari, 07100, Sassari, Italy.
| | - Jakub Mrázek
- Laboratory of Anaerobic Microbiology, Institute of Animal Physiology and Genetics, CAS, Vídeňská, 1083, 142 20, Prague, Czech Republic
| | - Radka Jarošíková
- Diabetes Centre, Institute for Clinical and Experimental Medicine, Prague, Czech Republic
- Second Faculty of Medicine, Charles University, Prague, Czech Republic
| | - Jitka Husáková
- Diabetes Centre, Institute for Clinical and Experimental Medicine, Prague, Czech Republic
| | - Veronika Wosková
- Diabetes Centre, Institute for Clinical and Experimental Medicine, Prague, Czech Republic
| | - Vladimíra Fejfarová
- Diabetes Centre, Institute for Clinical and Experimental Medicine, Prague, Czech Republic
- Second Faculty of Medicine, Charles University, Prague, Czech Republic
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20
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Kattner AA. Aging like fine wine: Mischievous microbes and other factors influencing senescence. Biomed J 2024; 47:100722. [PMID: 38561098 PMCID: PMC11002807 DOI: 10.1016/j.bj.2024.100722] [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: 03/28/2024] [Accepted: 03/29/2024] [Indexed: 04/04/2024] Open
Abstract
In this issue, a special section is dedicated to the factors affecting senescence. It examines the interplay between immunosenescence and chronic kidney disease, probes into Peto's paradox, and explores how epigenetic switches can potentially mitigate senescence and inflammation. Additionally, insights are offered on understanding a specific Ras mechanism in yeast for potential therapeutic interventions against cancer and for longevity. Furthermore, the remarkable endurance of last year's Nobel Prize winner in Physiology or Medicine is also highlighted. Moreover, the discovery of potential biomarkers for hepatocellular carcinoma, the link between osteoarthritis and the circadian clock, and the multifaceted role of DNAJA3 in B cell lifecycle are discussed. Further, study findings shed light on the influence of extracellular matrix molecules on cleft palate formation, the renal protective effects of combination therapy in diabetic kidney disease, and novel approaches to detect developmental dysplasia of the hip. Finally, a correspondence delves into the role of autonomic regulation in cognitive decline.
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21
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Wang Y, Wymond B, Tandon H, Belobrajdic DP. Swapping White for High-Fibre Bread Increases Faecal Abundance of Short-Chain Fatty Acid-Producing Bacteria and Microbiome Diversity: A Randomized, Controlled, Decentralized Trial. Nutrients 2024; 16:989. [PMID: 38613022 PMCID: PMC11013647 DOI: 10.3390/nu16070989] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2024] [Revised: 03/22/2024] [Accepted: 03/26/2024] [Indexed: 04/14/2024] Open
Abstract
A low-fibre diet leads to gut microbiota imbalance, characterized by low diversity and reduced ability to produce beneficial metabolites, such as short-chain fatty acids (SCFAs). This imbalance is associated with poor gastrointestinal and metabolic health. We aimed to determine whether one dietary change, substitution of white bread with high-fibre bread, improves gut microbiota diversity and SCFA-producing capability. Twenty-two healthy adults completed a two-phase randomized, cross-over trial. The participants consumed three slices of a high-fibre bread (Prebiotic Cape Seed Loaf with BARLEYmax®) or control white bread as part of their usual diet for 2 weeks, with the treatment periods separated by a 4-week washout. High-fibre bread consumption increased total dietary fibre intake to 40 g/d, which was double the amount of fibre consumed at baseline or during the white bread intervention. Compared to white bread, the high-fibre bread intervention resulted in higher faecal alpha diversity (Shannon, p = 0.014) and relative abundance of the Lachnospiracae ND3007 group (p < 0.001, FDR = 0.019) and tended to increase the butyrate-producing capability (p = 0.062). In conclusion, substituting white bread with a high-fibre bread improved the diversity of gut microbiota and specific microbes involved in SCFA production and may enhance the butyrate-producing capability of gut microbiota in healthy adults. These findings suggest that a single dietary change involving high-fibre bread provides a practical way for adults to exceed recommended dietary fibre intake levels that improve gut microbiota composition and support gastrointestinal and metabolic health.
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Affiliation(s)
- Yanan Wang
- CSIRO, Microbiomes for One Systems Health-Future Science Platform, Health and Biosecurity, Adelaide 5000, Australia;
| | - Brooke Wymond
- CSIRO Health and Biosecurity, Adelaide 5000, Australia; (B.W.); (H.T.)
| | - Himanshu Tandon
- CSIRO Health and Biosecurity, Adelaide 5000, Australia; (B.W.); (H.T.)
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22
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Kusamoto A, Harada M, Minemura A, Matsumoto A, Oka K, Takahashi M, Sakaguchi N, Azhary JMK, Koike H, Xu Z, Tanaka T, Urata Y, Kunitomi C, Takahashi N, Wada-Hiraike O, Hirota Y, Osuga Y. Effects of the prenatal and postnatal nurturing environment on the phenotype and gut microbiota of mice with polycystic ovary syndrome induced by prenatal androgen exposure: a cross-fostering study. Front Cell Dev Biol 2024; 12:1365624. [PMID: 38590777 PMCID: PMC10999616 DOI: 10.3389/fcell.2024.1365624] [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: 01/04/2024] [Accepted: 03/05/2024] [Indexed: 04/10/2024] Open
Abstract
The gut microbiome is implicated in the pathogenesis of polycystic ovary syndrome (PCOS), and prenatal androgen exposure is involved in the development of PCOS in later life. Our previous study of a mouse model of PCOS induced by prenatal dihydrotestosterone (DHT) exposure showed that the reproductive phenotype of PCOS appears from puberty, followed by the appearance of the metabolic phenotype after young adulthood, while changes in the gut microbiota was already apparent before puberty. To determine whether the prenatal or postnatal nurturing environment primarily contributes to these changes that characterize prenatally androgenized (PNA) offspring, we used a cross-fostering model to evaluate the effects of changes in the postnatal early-life environment of PNA offspring on the development of PCOS-like phenotypes and alterations in the gut microbiota in later life. Female PNA offspring fostered by normal dams (exposed to an abnormal prenatal environment only, fostered PNA) exhibited less marked PCOS-like phenotypes than PNA offspring, especially with respect to the metabolic phenotype. The gut microbiota of the fostered PNA offspring was similar to that of controls before adolescence, but differences between the fostered PNA and control groups became apparent after young adulthood. In conclusion, both prenatal androgen exposure and the postnatal early-life environment created by the DHT injection of mothers contribute to the development of PCOS-like phenotypes and the alterations in the gut microbiota that characterize PNA offspring. Thus, both the pre- and postnatal environments represent targets for the prevention of PCOS and the associated alteration in the gut microbiota in later life.
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Affiliation(s)
- Akari Kusamoto
- Department of Obstetrics and Gynecology, Faculty of Medicine, University of Tokyo, Tokyo, Japan
| | - Miyuki Harada
- Department of Obstetrics and Gynecology, Faculty of Medicine, University of Tokyo, Tokyo, Japan
| | - Ayaka Minemura
- R&D Division, Miyarisan Pharmaceutical Co., Ltd., Saitama, Japan
| | - Asami Matsumoto
- R&D Division, Miyarisan Pharmaceutical Co., Ltd., Saitama, Japan
| | - Kentaro Oka
- R&D Division, Miyarisan Pharmaceutical Co., Ltd., Saitama, Japan
| | | | - Nanoka Sakaguchi
- Department of Obstetrics and Gynecology, Faculty of Medicine, University of Tokyo, Tokyo, Japan
| | - Jerilee M. K. Azhary
- Department of Obstetrics and Gynecology, Faculty of Medicine, University of Tokyo, Tokyo, Japan
- Department of Obstetrics and Gynecology, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia
| | - Hiroshi Koike
- Department of Obstetrics and Gynecology, Faculty of Medicine, University of Tokyo, Tokyo, Japan
| | - Zixin Xu
- Department of Obstetrics and Gynecology, Faculty of Medicine, University of Tokyo, Tokyo, Japan
| | - Tsurugi Tanaka
- Department of Obstetrics and Gynecology, Faculty of Medicine, University of Tokyo, Tokyo, Japan
| | - Yoko Urata
- Department of Obstetrics and Gynecology, Faculty of Medicine, University of Tokyo, Tokyo, Japan
| | - Chisato Kunitomi
- Department of Obstetrics and Gynecology, Faculty of Medicine, University of Tokyo, Tokyo, Japan
| | - Nozomi Takahashi
- Department of Obstetrics and Gynecology, Faculty of Medicine, University of Tokyo, Tokyo, Japan
| | - Osamu Wada-Hiraike
- Department of Obstetrics and Gynecology, Faculty of Medicine, University of Tokyo, Tokyo, Japan
| | - Yasushi Hirota
- Department of Obstetrics and Gynecology, Faculty of Medicine, University of Tokyo, Tokyo, Japan
| | - Yutaka Osuga
- Department of Obstetrics and Gynecology, Faculty of Medicine, University of Tokyo, Tokyo, Japan
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23
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Sanjar F, Silliman DT, Johnson IJ, Htut Z, Peacock TJ, Thompson SF, Dion GR, Nahid MA, Decker JF, Leung KP. Identification of temporal shifts of oral bacteria in bone regeneration following mandibular bone defect injury and therapeutic surgery in a porcine model. Mol Oral Microbiol 2024. [PMID: 38511906 DOI: 10.1111/omi.12460] [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: 03/12/2022] [Revised: 12/07/2023] [Accepted: 02/13/2024] [Indexed: 03/22/2024]
Abstract
BACKGROUND Considered the second largest and most diverse microbiome after the gut, the human oral ecosystem is complex with diverse and niche-specific microorganisms. Although evidence is growing for the importance of oral microbiome in supporting a healthy immune system and preventing local and systemic infections, the influence of craniomaxillofacial (CMF) trauma and routine reconstructive surgical treatments on community structure and function of oral resident microbes remains unknown. CMF injuries affect a large number of people, needing extensive rehabilitation with lasting morbidity and loss of human productivity. Treatment efficacy can be complicated by the overgrowth of opportunistic commensals or multidrug-resistant pathogens in the oral ecosystem due to weakened host immune function and reduced colonization resistance in a dysbiotic oral microbiome. AIMS To understand the dynamics of microbiota's community structure during CMF injury and subsequent treatments, we induced supra-alveolar mandibular defect in Hanford miniature swine (n = 3) and compared therapeutic approaches of immediate mandibullar reconstructive (IMR) versus delayed mandibullar reconstructive (DMR) surgeries. METHODS Using bacterial 16S ribosomal RNA gene marker sequencing, the composition and abundance of the bacterial community of the uninjured maxilla (control) and the injured left mandibula (lingual and buccal) treated by DMR were surveyed up to 70-day post-wounding. For the injured right mandibula receiving IMR treatment, the microbial composition and abundance were surveyed up to 14-day post-wounding. Moreover, we measured sera level of biochemical markers (e.g., osteocalcin) associated with bone regeneration and healing. Computed tomography was used to measure and compare mandibular bone characteristics such as trabecular thickness between sites receiving DMR and IMR therapeutic approaches until day 140, the end of study period. RESULTS Independent of IMR versus DMR therapy, we observed similar dysbiosis and shifts of the mucosal bacteria residents after CMF injury and/or following treatment. There was an enrichment of Fusobacterium, Porphyromonadaceae, and Bacteroidales accompanied by a decline in Pasteurellaceae, Moraxella, and Neisseria relative abundance in days allotted for healing. We also observed a decline in species richness and abundance driven by reduction in temporal instability and inter-animal heterogeneity on days 0 and 56, with day 0 corresponding to injury in DMR group and day 56 corresponding to delayed treatment for DMR or injury and immediate treatment for the IMR group. Analysis of bone healing features showed comparable bone-healing profiles for IMR vs. DMR therapeutic approach.
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Affiliation(s)
- Fatemeh Sanjar
- Combat Wound Care Group, US Army Institute of Surgical Research, JBSA Fort Sam Houston, San Antonio, Texas, USA
| | - David T Silliman
- Combat Wound Care Group, US Army Institute of Surgical Research, JBSA Fort Sam Houston, San Antonio, Texas, USA
| | - Ian J Johnson
- Combat Wound Care Group, US Army Institute of Surgical Research, JBSA Fort Sam Houston, San Antonio, Texas, USA
| | - Zayer Htut
- Walter Reed Army Institute of Research, Silver Spring, Maryland, USA
| | - Trent J Peacock
- Office of Research Compliance, Mississippi State University, Meridian, Mississippi, USA
| | - Samira F Thompson
- Carl R. Darnall Army Medical Center, Fort Hood Dental Activities-AEGD, Fort Hood, Texas, USA
| | - Gregory R Dion
- Combat Wound Care Group, US Army Institute of Surgical Research, JBSA Fort Sam Houston, San Antonio, Texas, USA
| | - Md A Nahid
- Walter Reed National Military Medical Center, Bethesda, Maryland, USA
| | - John F Decker
- Carl R. Darnall Army Medical Center, Fort Hood Dental Activities-AEGD, Fort Hood, Texas, USA
| | - Kai P Leung
- Combat Wound Care Group, US Army Institute of Surgical Research, JBSA Fort Sam Houston, San Antonio, Texas, USA
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24
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Mancin E, Maltecca C, Huang YJ, Mantovani R, Tiezzi F. A first characterization of the microbiota-resilience link in swine. MICROBIOME 2024; 12:53. [PMID: 38486255 PMCID: PMC10941389 DOI: 10.1186/s40168-024-01771-7] [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: 09/16/2023] [Accepted: 01/30/2024] [Indexed: 03/17/2024]
Abstract
BACKGROUND The gut microbiome plays a crucial role in understanding complex biological mechanisms, including host resilience to stressors. Investigating the microbiota-resilience link in animals and plants holds relevance in addressing challenges like adaptation of agricultural species to a warming environment. This study aims to characterize the microbiota-resilience connection in swine. As resilience is not directly observable, we estimated it using four distinct indicators based on daily feed consumption variability, assuming animals with greater intake variation may face challenges in maintaining stable physiological status. These indicators were analyzed both as linear and categorical variables. In our first set of analyses, we explored the microbiota-resilience link using PERMANOVA, α-diversity analysis, and discriminant analysis. Additionally, we quantified the ratio of estimated microbiota variance to total phenotypic variance (microbiability). Finally, we conducted a Partial Least Squares-Discriminant Analysis (PLS-DA) to assess the classification performance of the microbiota with indicators expressed in classes. RESULTS This study offers four key insights. Firstly, among all indicators, two effectively captured resilience. Secondly, our analyses revealed robust relationship between microbial composition and resilience in terms of both composition and richness. We found decreased α-diversity in less-resilient animals, while specific amplicon sequence variants (ASVs) and KEGG pathways associated with inflammatory responses were negatively linked to resilience. Thirdly, considering resilience indicators in classes, we observed significant differences in microbial composition primarily in animals with lower resilience. Lastly, our study indicates that gut microbial composition can serve as a reliable biomarker for distinguishing individuals with lower resilience. CONCLUSION Our comprehensive analyses have highlighted the host-microbiota and resilience connection, contributing valuable insights to the existing scientific knowledge. The practical implications of PLS-DA and microbiability results are noteworthy. PLS-DA suggests that host-microbiota interactions could be utilized as biomarkers for monitoring resilience. Furthermore, the microbiability findings show that leveraging host-microbiota insights may improve the identification of resilient animals, supporting their adaptive capacity in response to changing environmental conditions. These practical implications offer promising avenues for enhancing animal well-being and adaptation strategies in the context of environmental challenges faced by livestock populations. Video Abstract.
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Affiliation(s)
- Enrico Mancin
- Department of Agronomy, Animals and Environment, (DAFNAE), Food, Natural Resources, University of Padova, Viale del Università 14, 35020, Legnaro (Padova), Italy
| | - Christian Maltecca
- Department of Animal Science, North Carolina State University, Raleigh, NC, 27695, USA
- Department of Agriculture, Food, Environment and Forestry (DAGRI), University of Florence, Piazzale delle Cascine 18, 50144, Firenze, Italy
| | - Yi Jian Huang
- Smithfield Premium Genetics, Rose Hill, NC, 28458, USA
| | - Roberto Mantovani
- Department of Agronomy, Animals and Environment, (DAFNAE), Food, Natural Resources, University of Padova, Viale del Università 14, 35020, Legnaro (Padova), Italy
| | - Francesco Tiezzi
- Department of Agriculture, Food, Environment and Forestry (DAGRI), University of Florence, Piazzale delle Cascine 18, 50144, Firenze, Italy.
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25
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Panda SS, Behera B, Ghosh R, Bagh B, Aich P. Antibiotic induced adipose tissue browning in C57BL/6 mice: An association with the metabolic profile and the gut microbiota. Life Sci 2024; 340:122473. [PMID: 38290571 DOI: 10.1016/j.lfs.2024.122473] [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: 08/10/2023] [Revised: 01/24/2024] [Accepted: 01/25/2024] [Indexed: 02/01/2024]
Abstract
AIMS The use of antibiotics affects health. The gut microbial dysbiosis by antibiotics is thought to be an essential pathway to influence health. It is important to have optimized energy utilization, in which adipose tissues (AT) play crucial roles in maintaining health. Adipocytes regulate the balance between energy expenditure and storage. While it is known that white adipose tissue (WAT) stores energy and brown adipose tissue (BAT) produces energy by thermogenesis, the role of an intermediate AT plays an important role in balancing host internal energy. In the current study, we tried to understand how treating an antibiotic cocktail transforms WAT into BAT or, more precisely, into beige adipose tissue (BeAT). METHODS Since antibiotic treatment perturbs the host microbiota, we wanted to understand the role of gut microbial dysbiosis in transforming WAT into BeAT in C57BL/6 mice. We further correlated the metabolic profile at the systemic level with this BeAT transformation and gut microbiota profile. KEY FINDINGS In the present study, we have reported that the antibiotic cocktail treatment increases the Proteobacteria and Actinobacteria while reducing the Bacteroidetes phylum. We observed that prolonged antibiotic treatment could induce the formation of BeAT in the inguinal and perigonadal AT. The correlation analysis showed an association between the gut microbiota phyla, beige adipose tissue markers, and serum metabolites. SIGNIFICANCE Our study revealed that the gut microbiota has a significant role in regulating the metabolic health of the host via microbiota-adipose axis communication.
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Affiliation(s)
- Swati Sagarika Panda
- School of Biological Sciences, National Institute of Science Education and Research (NISER), P.O. - Bhimpur-Padanpur, Jatni - 752050, Dist. -Khurda, Odisha, India; Homi Bhabha National Institute, Training School Complex, Anushaktinagar, Mumbai, Maharashtra, India
| | - Biplab Behera
- School of Biological Sciences, National Institute of Science Education and Research (NISER), P.O. - Bhimpur-Padanpur, Jatni - 752050, Dist. -Khurda, Odisha, India; Homi Bhabha National Institute, Training School Complex, Anushaktinagar, Mumbai, Maharashtra, India
| | - Rahul Ghosh
- School of Chemical Sciences, National Institute of Science Education and Research (NISER), P.O. - Bhimpur-Padanpur, Jatni - 752050, Dist. -Khurda, Odisha, India; Homi Bhabha National Institute, Training School Complex, Anushaktinagar, Mumbai, Maharashtra, India
| | - Bidraha Bagh
- School of Chemical Sciences, National Institute of Science Education and Research (NISER), P.O. - Bhimpur-Padanpur, Jatni - 752050, Dist. -Khurda, Odisha, India; Homi Bhabha National Institute, Training School Complex, Anushaktinagar, Mumbai, Maharashtra, India
| | - Palok Aich
- School of Biological Sciences, National Institute of Science Education and Research (NISER), P.O. - Bhimpur-Padanpur, Jatni - 752050, Dist. -Khurda, Odisha, India; Homi Bhabha National Institute, Training School Complex, Anushaktinagar, Mumbai, Maharashtra, India.
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26
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Tain YL, Hsu CN. Nutritional Approaches Targeting Gut Microbiota in Oxidative-Stress-Associated Metabolic Syndrome: Focus on Early Life Programming. Nutrients 2024; 16:683. [PMID: 38474810 DOI: 10.3390/nu16050683] [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: 01/12/2024] [Revised: 02/24/2024] [Accepted: 02/27/2024] [Indexed: 03/14/2024] Open
Abstract
Metabolic syndrome (MetS) denotes a constellation of risk factors associated with the development of cardiovascular disease, with its roots potentially traced back to early life. Given the pivotal role of oxidative stress and dysbiotic gut microbiota in MetS pathogenesis, comprehending their influence on MetS programming is crucial. Targeting these mechanisms during the early stages of life presents a promising avenue for preventing MetS later in life. This article begins by examining detrimental insults during early life that impact fetal programming, ultimately contributing to MetS in adulthood. Following that, we explore the role of oxidative stress and the dysregulation of gut microbiota in the initiation of MetS programming. The review also consolidates existing evidence on how gut-microbiota-targeted interventions can thwart oxidative-stress-associated MetS programming, encompassing approaches such as probiotics, prebiotics, postbiotics, and the modulation of bacterial metabolites. While animal studies demonstrate the favorable effects of gut-microbiota-targeted therapy in mitigating MetS programming, further clinical investigations are imperative to enhance our understanding of manipulating gut microbiota and oxidative stress for the prevention of MetS.
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Affiliation(s)
- You-Lin Tain
- Division of Pediatric Nephrology, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung 833, Taiwan
- Institute for Translational Research in Biomedicine, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung 833, Taiwan
- College of Medicine, Chang Gung University, Taoyuan 333, Taiwan
| | - Chien-Ning Hsu
- Department of Pharmacy, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung 833, Taiwan
- School of Pharmacy, Kaohsiung Medical University, Kaohsiung 807, Taiwan
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27
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Contino KF, Cook KL, Shiozawa Y. Bones and guts - Why the microbiome matters. J Bone Oncol 2024; 44:100523. [PMID: 38274305 PMCID: PMC10808965 DOI: 10.1016/j.jbo.2024.100523] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2023] [Revised: 12/31/2023] [Accepted: 01/03/2024] [Indexed: 01/27/2024] Open
Abstract
The importance of the gut microbiota in human health has become increasingly apparent in recent years, especially when the relationship between microbiota and host is no longer symbiotic. It has long been appreciated that gut dysbiosis can be detrimental to human health and is associated with numerous disease states. Only within the last decade, however, was the gut microbiota implicated in bone biology. Dubbed osteomicrobiology, this emerging field aims to understand the relationship between the gut microbiome and the bone microenvironment in both health and disease. Importantly, the key to one of the major clinical challenges facing both bone and cancer biologists: bone metastasis, may lie in the field of osteomicrobiology; however the link between gut bacteria and bone metastasis is only beginning to be explored. This review will discuss (i) osteomicrobiology as an emerging field, and (ii) the current understanding of osteomicrobiology in the context of cancer in bone.
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Affiliation(s)
- Kelly F. Contino
- Department of Cancer Biology, Wake Forest University School of Medicine, and Atrium Health Wake Forest Baptist Comprehensive Cancer, Winston-Salem, NC, USA
| | - Katherine L. Cook
- Department of Cancer Biology, Wake Forest University School of Medicine, and Atrium Health Wake Forest Baptist Comprehensive Cancer, Winston-Salem, NC, USA
| | - Yusuke Shiozawa
- Department of Cancer Biology, Wake Forest University School of Medicine, and Atrium Health Wake Forest Baptist Comprehensive Cancer, Winston-Salem, NC, USA
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28
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Ganesan SM, Peter TK, Withanage MHH, Boksa F, Zeng E, Martinez A, Dabdoub SM, Dhingra K, Hernandez-Kapila Y. COVID-19 associated oral and oropharyngeal microbiome: Systematic review and meta-analysis. Periodontol 2000 2024; 94:603-626. [PMID: 37277934 DOI: 10.1111/prd.12489] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2023] [Accepted: 04/01/2023] [Indexed: 06/07/2023]
Abstract
Three years into the coronavirus disease 2019 (COVID-19) pandemic, there are still growing concerns with the emergence of different variants, unknown long- and short-term effects of the virus, and potential biological mechanisms underlying etiopathogenesis and increased risk for morbidity and mortality. The role of the microbiome in human physiology and the initiation and progression of several oral and systemic diseases have been actively studied in the past decade. With the proof of viral transmission, carriage, and a potential role in etiopathogenesis, saliva and the oral environment have been a focus of COVID-19 research beyond diagnostic purposes. The oral environment hosts diverse microbial communities and contributes to human oral and systemic health. Several investigations have identified disruptions in the oral microbiome in COVID-19 patients. However, all these studies are cross-sectional in nature and present heterogeneity in study design, techniques, and analysis. Therefore, in this undertaking, we (a) systematically reviewed the current literature associating COVID-19 with changes in the microbiome; (b) performed a re-analysis of publicly available data as a means to standardize the analysis, and (c) reported alterations in the microbial characteristics in COVID-19 patients compared to negative controls. Overall, we identified that COVID-19 is associated with oral microbial dysbiosis with significant reduction in diversity. However, alterations in specific bacterial members differed across the study. Re-analysis from our pipeline shed light on Neisseria as the potential key microbial member associated with COVID-19.
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Affiliation(s)
- Sukirth M Ganesan
- Department of Periodontics, The University of Iowa College of Dentistry and Dental Clinics, Iowa, USA
- Iowa Institute for Oral Health Research, The University of Iowa College of Dentistry and Dental Clinics, Iowa City, Iowa, USA
| | - Tabitha K Peter
- Division of Biostatistics and Computational Biology, The University of Iowa College of Dentistry and Dental Clinics, Iowa City, Iowa, USA
| | - Miyuraj H H Withanage
- Division of Biostatistics and Computational Biology, The University of Iowa College of Dentistry and Dental Clinics, Iowa City, Iowa, USA
| | - Frank Boksa
- Department of Periodontics, The University of Iowa College of Dentistry and Dental Clinics, Iowa, USA
| | - Erliang Zeng
- Iowa Institute for Oral Health Research, The University of Iowa College of Dentistry and Dental Clinics, Iowa City, Iowa, USA
- Division of Biostatistics and Computational Biology, The University of Iowa College of Dentistry and Dental Clinics, Iowa City, Iowa, USA
- Department of Preventive and Community Dentistry, The University of Iowa College of Dentistry and Dental Clinics, Iowa City, Iowa, USA
| | - April Martinez
- Division of Periodontology, University of California at San Francisco School of Dentistry, San Francisco, California, USA
| | - Shareef M Dabdoub
- Department of Periodontics, The University of Iowa College of Dentistry and Dental Clinics, Iowa, USA
- Iowa Institute for Oral Health Research, The University of Iowa College of Dentistry and Dental Clinics, Iowa City, Iowa, USA
- Division of Biostatistics and Computational Biology, The University of Iowa College of Dentistry and Dental Clinics, Iowa City, Iowa, USA
| | - Kunaal Dhingra
- Periodontology Division, Centre for Dental Education and Research, All India Institute of Medical Sciences, New Delhi, India
| | - Yvonne Hernandez-Kapila
- Section of Biosystems and Function Periodontics, University of California at Los Angeles School of Dentistry, Los Angeles, California, USA
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Mohamed AA, al-Ramadi BK, Fernandez-Cabezudo MJ. Interplay between Microbiota and γδ T Cells: Insights into Immune Homeostasis and Neuro-Immune Interactions. Int J Mol Sci 2024; 25:1747. [PMID: 38339023 PMCID: PMC10855551 DOI: 10.3390/ijms25031747] [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: 12/04/2023] [Revised: 01/03/2024] [Accepted: 01/04/2024] [Indexed: 02/12/2024] Open
Abstract
The gastrointestinal (GI) tract of multicellular organisms, especially mammals, harbors a symbiotic commensal microbiota with diverse microorganisms including bacteria, fungi, viruses, and other microbial and eukaryotic species. This microbiota exerts an important role on intestinal function and contributes to host health. The microbiota, while benefiting from a nourishing environment, is involved in the development, metabolism and immunity of the host, contributing to the maintenance of homeostasis in the GI tract. The immune system orchestrates the maintenance of key features of host-microbe symbiosis via a unique immunological network that populates the intestinal wall with different immune cell populations. Intestinal epithelium contains lymphocytes in the intraepithelial (IEL) space between the tight junctions and the basal membrane of the gut epithelium. IELs are mostly CD8+ T cells, with the great majority of them expressing the CD8αα homodimer, and the γδ T cell receptor (TCR) instead of the αβ TCR expressed on conventional T cells. γδ T cells play a significant role in immune surveillance and tissue maintenance. This review provides an overview of how the microbiota regulates γδ T cells and the influence of microbiota-derived metabolites on γδ T cell responses, highlighting their impact on immune homeostasis. It also discusses intestinal neuro-immune regulation and how γδ T cells possess the ability to interact with both the microbiota and brain.
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Affiliation(s)
- Alaa A. Mohamed
- Department of Biochemistry and Molecular Biology, College of Medicine and Health Sciences, United Arab Emirates University, Al-Ain P.O. Box 15551, United Arab Emirates
| | - Basel K. al-Ramadi
- Department of Medical Microbiology and Immunology, College of Medicine and Health Sciences, United Arab Emirates University, Al-Ain P.O. Box 15551, United Arab Emirates
- Zayed Center for Health Sciences, United Arab Emirates University, Al Ain P.O. Box 15551, United Arab Emirates
| | - Maria J. Fernandez-Cabezudo
- Department of Biochemistry and Molecular Biology, College of Medicine and Health Sciences, United Arab Emirates University, Al-Ain P.O. Box 15551, United Arab Emirates
- Zayed Center for Health Sciences, United Arab Emirates University, Al Ain P.O. Box 15551, United Arab Emirates
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Shama S, Ranade AV, Qaisar R, Khan NA, Tauseef I, Elmoselhi A, Siddiqui R. Enhancing microbial diversity as well as multi-organ health in hind-limb unloaded mice. LIFE SCIENCES IN SPACE RESEARCH 2024; 40:62-71. [PMID: 38245349 DOI: 10.1016/j.lssr.2023.08.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/18/2022] [Revised: 08/21/2023] [Accepted: 08/28/2023] [Indexed: 01/22/2024]
Abstract
During space travel, the gut microbiota is changed which can lead to health-related issues. Previously, we utilized the hind-limb unloaded (HU) mouse, which is an established ground-based in-vivo model of microgravity and observed altered gut microbiota. In this study, we evaluated the beneficial effects of novel bacterial conditioned media in HU mice to understand if they can offset the effects of unloading in the HU mouse model. We aimed to explore the influence of bacterial conditioned media on diversity and quantity of intestinal microbes in HU mice, and investigated the microarchitecture of mice retinas and kidneys to evaluate the potential systemic effects of bacterial conditioned media in HU mice. Four-month-old, male C57/Bl6 mice were separated into groups: including the ground-based control group, the HU group mice fed with vehicle as placebo (HU-placebo mice), and the HU group fed with bacterial conditioned media (HU-CP mice) and kept under controlled environmental conditions for three weeks. Next, mice were sacrificed; gut dissections were conducted, and metagenomic analysis of bacterial species was performed via DNA extraction and 16S rRNA analysis. The results revealed an HU-induced reduction in intestinal microbial diversity, and an increase in pathogenic bacteria dominated by Firmicutes (45%). In contrast, supplementation with bacterial conditioned media for three weeks led to a significant increase in gut microbial diversity with noticeable changes in the OTUs abundance in the HU mice. Additionally, HU-induced muscle weakness and structural abnormalities in the retina and kidney were partially prevented with bacterial conditioned media. Moreover, a greater diversity of several bacteria in the HU-CP was observed including, Bacteriodota, Firmicutes, Proteobacteria, Actionobacteriota, Verrucomicorbiota, Cyanobacteria, Gemmatimonadota, Acidobacteriota, Chloroflexi, Myxococcota, and others. Prospective research involving molecular mechanistic studies are needed to comprehend the systemic effects of bacterial metabolites conditioned media on experimental animal models under chronic stress.
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Affiliation(s)
- Shama Shama
- Department of Clinical Sciences, College of Medicine, University of Sharjah, University City, Sharjah 27272, United Arab Emirates; Department of Microbiology, Hazara University, Mansehra 21300, Pakistan
| | - Anu V Ranade
- Department of Basic Medical Sciences, College of Medicine, University of Sharjah, University City, Sharjah 27272, United Arab Emirates
| | - Rizwan Qaisar
- Department of Basic Medical Sciences, College of Medicine, University of Sharjah, University City, Sharjah 27272, United Arab Emirates
| | - Naveed Ahmed Khan
- Microbiota Research Center, Istinye University, Istanbul, 34010, Turkey.
| | - Isfahan Tauseef
- Department of Microbiology, Hazara University, Mansehra 21300, Pakistan.
| | - Adel Elmoselhi
- Department of Basic Medical Sciences, College of Medicine, University of Sharjah, University City, Sharjah 27272, United Arab Emirates
| | - Ruqaiyyah Siddiqui
- Microbiota Research Center, Istinye University, Istanbul, 34010, Turkey; College of Arts and Sciences, American University of Sharjah, University City, Sharjah 26666, United Arab Emirates
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Vakili B, Shoaei P, Shahzamani K, Siadat SD, Shojaei H, Esfandiari Z, Nasri E, Shabani S, Zamani Moghadam A, Ataei B. Gut-Lung Microbiota Characterization in Patients with Non-Small Cell Lung Carcinoma and COVID-19 Coinfection. ARCHIVES OF IRANIAN MEDICINE 2024; 27:62-71. [PMID: 38619029 PMCID: PMC11017262 DOI: 10.34172/aim.2024.11] [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: 08/29/2023] [Accepted: 12/30/2023] [Indexed: 04/16/2024]
Abstract
BACKGROUND Non-small cell lung cancer (NSCLC) patients with COVID-19 have an excessive chance of morbidity and mortality. The fecal-nasopharyngeal microbiota compositions of NSCLC patients were assessed in this study. METHODS In total, 234 samples were collected from 17 NSCLC patients infected with COVID-19, 20 NSCLC patients without confirmed COVID-19, 40 non NSCLC patients with COVID-19, and 40 healthy individuals. RESULTS In lung microbiota, the abundance of Streptococcus spp. in NSCLC patients with confirmed COVID-19 was significantly higher than the two control groups. Pseudomonas aeruginosa and Staphylococcus aureus were listed as the most frequent pulmonary bacterial groups that colonized COVID-19 patients. In fecal specimens, the numbers of Bacteroidetes, Firmicutes, and Actinobacteria phyla were significantly higher amongst NSCLC patients with COVID-19. NSCLC patients infected with COVID-19 showed lower levels of Lactobacillus spp., Akkermansia muciniphila, and Bifidobacterium spp. The counts of Streptococcus spp., in NSCLC patients with COVID-19 were significantly higher than those of healthy individuals (8.49±0.70 log CFU/g wet feces vs 8.49±0.70 log CFU/g wet feces). Prevotella spp. were enriched in the gut and respiratory tracts of COVID-19 patient groups. The unbiased analysis showed an increment in Enterococcus spp., Streptococcus spp., and Prevotella spp. CONCLUSION Eventually, it was found that compared to control groups, COVID-19 patients with NSCLC showed diminished gut bacteria diversity and increase in Lactobacillus spp., A. muciniphila, and Bifidobacterium spp. The overgrowth of Enterococcus spp., Streptococcus spp., and Prevotella spp. could be potential predictive biomarkers in the gut-lung axis of NSCLC patients with COVID-19.
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Affiliation(s)
- Bahareh Vakili
- Infectious Diseases and Tropical Medicine Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Parisa Shoaei
- Nosocomial Infection Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Kiana Shahzamani
- Hepatitis Research Center, School of Medicine, Lorestan University of Medical Sciences, Khoramabad, Iran
| | - Seyed Davar Siadat
- Department of Mycobacteriology and Pulmonary Research, Pasteur Institute of Iran, Tehran, Iran
- Microbiology Research Center (MRC), Pasteur Institute of Iran, Tehran, Iran
| | - Hasan Shojaei
- Department of Microbiology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Zahra Esfandiari
- Department of Food Science and Technology, Nutrition and Food Security Research Center, School of Nutrition and Food Science, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Elahe Nasri
- Infectious Diseases and Tropical Medicine Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Shiva Shabani
- Department of Infectious Diseases, School of Medicine, Arak University of Medical Sciences, Arak, Iran
| | - Ali Zamani Moghadam
- Infectious Diseases and Tropical Medicine Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Behrooz Ataei
- Infectious Diseases and Tropical Medicine Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
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Lerner A, Benzvi C, Vojdani A. The Potential Harmful Effects of Genetically Engineered Microorganisms (GEMs) on the Intestinal Microbiome and Public Health. Microorganisms 2024; 12:238. [PMID: 38399642 PMCID: PMC10892181 DOI: 10.3390/microorganisms12020238] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2024] [Revised: 01/20/2024] [Accepted: 01/22/2024] [Indexed: 02/25/2024] Open
Abstract
Gut luminal dysbiosis and pathobiosis result in compositional and biodiversified alterations in the microbial and host co-metabolites. The primary mechanism of bacterial evolution is horizontal gene transfer (HGT), and the acquisition of new traits can be achieved through the exchange of mobile genetic elements (MGEs). Introducing genetically engineered microbes (GEMs) might break the harmonized balance in the intestinal compartment. The present objectives are: 1. To reveal the role played by the GEMs' horizontal gene transfers in changing the landscape of the enteric microbiome eubiosis 2. To expand on the potential detrimental effects of those changes on the human genome and health. A search of articles published in PubMed/MEDLINE, EMBASE, and Scielo from 2000 to August 2023 using appropriate MeSH entry terms was performed. The GEMs' horizontal gene exchanges might induce multiple human diseases. The new GEMs can change the long-term natural evolution of the enteric pro- or eukaryotic cell inhabitants. The worldwide regulatory authority's safety control of GEMs is not enough to protect public health. Viability, biocontainment, and many other aspects are only partially controlled and harmful consequences for public health should be avoided. It is important to remember that prevention is the most cost-effective strategy and primum non nocere should be the focus.
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Affiliation(s)
- Aaron Lerner
- Chaim Sheba Medical Center, The Zabludowicz Center for Autoimmune Diseases, Ramat Gan 52621, Israel;
- Ariel Campus, Ariel University, Ariel 40700, Israel
| | - Carina Benzvi
- Chaim Sheba Medical Center, The Zabludowicz Center for Autoimmune Diseases, Ramat Gan 52621, Israel;
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Siu PLK, Choy CT, Chan HHY, Leung RKK, Chan UK, Zhou J, Wong CH, Lee YW, Chan HW, Lo CJY, Tsui JCC, Loo SKF, Tsui SKW. A Novel Multi-Strain E3 Probiotic Formula Improved the Gastrointestinal Symptoms and Quality of Life in Chinese Psoriasis Patients. Microorganisms 2024; 12:208. [PMID: 38276193 PMCID: PMC10820679 DOI: 10.3390/microorganisms12010208] [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: 12/21/2023] [Revised: 01/12/2024] [Accepted: 01/17/2024] [Indexed: 01/27/2024] Open
Abstract
Psoriasis is a chronic immune-mediated inflammatory disease affecting the skin and other systems. Gastrointestinal disease was found to be correlated with psoriasis in previous studies and it can significantly affect the quality of life of psoriasis patients. Despite the importance of the gut microbiome in gut and skin health having already been demonstrated in many research studies, the potential effect of probiotics on GI comorbidities in psoriasis patients is unclear. To investigate the effects of probiotics on functional GI comorbidities including irritable bowel syndrome, functional constipation, and functional diarrhea in psoriasis patients, we conducted a targeted 16S rRNA sequencing and comprehensive bioinformatic analysis among southern Chinese patients to compare the gut microbiome profiles of 45 psoriasis patients over an 8-week course of novel oral probiotics. All the participants were stratified into responders and non-responders according to their improvement in GI comorbidities, which were based on their Bristol Stool Form Scale (BSFS) scores after intervention. The Dermatological Life Quality Index (DLQI) score revealed a significant improvement in quality of life within the responder group (DLQI: mean 10.4 at week 0 vs. mean 15.9 at week 8, p = 0.0366). The proportion of psoriasis patients without GI comorbidity manifestation at week 8 was significantly higher than that at week 0 (week 0: Normal 53.33%, Constipation/Diarrhea 46.67%; week 8: Normal 75.56%, Constipation/Diarrhea 24.44%, p = 0.0467). In addition, a significant difference in the gut microbiome composition between the responders and non-responders was observed according to alpha and beta diversities. Differential abundance analysis revealed that the psoriasis patients exhibited (1) an elevated relative abundance of Lactobacillus acidophilus, Parabacteroides distasonis, and Ruminococcus bromii and (2) a reduced relative abundance of Oscillibacter, Bacteroides vulgatus, Escherichia sp., and Biophila wadsworthia after the 8-week intervention. The responders also exhibited a higher relative abundance of Fusicatenibacter saccharivorans when compared to the non-responders. In summary, our study discovers the potential clinical improvement effects of the novel probiotic formula in improving GI comorbidities and quality of life in psoriasis patients. We also revealed the different gut microbiome composition as well as the gut microbial signatures in the patients who responded to probiotics. These findings could provide insight into the use of probiotics in the management of psoriasis symptoms.
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Affiliation(s)
- Pui Ling Kella Siu
- Microbiome Research Centre, BioMed Laboratory Company Limited, Hong Kong, China; (P.L.K.S.)
| | - Chi Tung Choy
- Microbiome Research Centre, BioMed Laboratory Company Limited, Hong Kong, China; (P.L.K.S.)
| | - Helen Hoi Yin Chan
- Microbiome Research Centre, BioMed Laboratory Company Limited, Hong Kong, China; (P.L.K.S.)
| | - Ross Ka Kit Leung
- Microbiome Research Centre, BioMed Laboratory Company Limited, Hong Kong, China; (P.L.K.S.)
| | - Un Kei Chan
- Microbiome Research Centre, BioMed Laboratory Company Limited, Hong Kong, China; (P.L.K.S.)
| | - Junwei Zhou
- Microbiome Research Centre, BioMed Laboratory Company Limited, Hong Kong, China; (P.L.K.S.)
| | - Chi Ho Wong
- Microbiome Research Centre, BioMed Laboratory Company Limited, Hong Kong, China; (P.L.K.S.)
| | - Yuk Wai Lee
- Microbiome Research Centre, BioMed Laboratory Company Limited, Hong Kong, China; (P.L.K.S.)
| | - Ho Wang Chan
- Microbiome Research Centre, BioMed Laboratory Company Limited, Hong Kong, China; (P.L.K.S.)
| | - Claudia Jun Yi Lo
- Microbiome Research Centre, BioMed Laboratory Company Limited, Hong Kong, China; (P.L.K.S.)
| | - Joseph Chi Ching Tsui
- Microbiome Research Centre, BioMed Laboratory Company Limited, Hong Kong, China; (P.L.K.S.)
| | - Steven King Fan Loo
- Microbiome Research Centre, BioMed Laboratory Company Limited, Hong Kong, China; (P.L.K.S.)
- Hong Kong Institute of Integrative Medicine, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong, China
- Dermatology Centre, CUHK Medical Centre, The Chinese University of Hong Kong, Hong Kong, China
| | - Stephen Kwok Wing Tsui
- Microbiome Research Centre, BioMed Laboratory Company Limited, Hong Kong, China; (P.L.K.S.)
- School of Biomedical Sciences, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong, China
- Centre for Microbial Genomics and Proteomics, The Chinese University of Hong Kong, Hong Kong, China
- Hong Kong Bioinformatics Centre, The Chinese University of Hong Kong, Hong Kong, 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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Li F, Yu C, Zhao Q, Wang Z, Wang Z, Chang Y, Xu Z, Han X, Li H, Liu Y, Hu S, Chang S, Tang T, Li Y. Exploring the intestinal ecosystem: from gut microbiota to associations with subtypes of inflammatory bowel disease. Front Cell Infect Microbiol 2024; 13:1304858. [PMID: 38239508 PMCID: PMC10794348 DOI: 10.3389/fcimb.2023.1304858] [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: 09/30/2023] [Accepted: 12/06/2023] [Indexed: 01/22/2024] Open
Abstract
Objective Significant differences have been discovered between subtypes of Crohn's disease (CD) and ulcerative colitis (UC). The role of gut microbiota in promoting the onset of UC and CD is established, but conclusions regarding subtype-specific analyses remain limited. Methods This study aims to explore the influence of gut microbiota on subtypes of UC and CD, offering novel insights into the pathogenesis and treatment of UC and CD.Two-sample Mendelian randomization (MR) analysis was employed to examine the causal relationship between subtypes of UC and CD and gut microbiota composition. Gut microbiota data were sourced from the International Consortium MiBioGen, while UC and CD data were obtained from FINNGEN. Eligible single nucleotide polymorphisms (SNPs) were selected as instrumental variables. Multiple analytical approaches such as inverse variance-weighted (IVW), MR-Egger regression, weighted median, weighted mode, and MR-RAPS were utilized. Sensitivity analyses including MR-Egger intercept test, Cochran's Q test, and leave-one-out analysis were conducted for quality control. Subsequently, we employed multivariable IVW, MR-Egger, weighted median, and LASSO regression methods to identify independently significant genera or families and conducted sensitivity analyses. Results We have determined that Hungatella, Acidaminococcaceae, and 15 other microbial taxa act as protective factors for various CD and UC subtypes, while Terrisporobacter, Anaerostipes, and 23 other microbial taxa are associated with increased risk for different CD and UC subtypes. Furthermore, through multivariable MR analysis, we have identified significant genera or families with independent effects. Conclusion Our study confirms a causal relationship between dysbiosis of gut microbiota and the occurrence of CD and UC subtypes. Furthermore, it validates etiological distinctions among different subtypes of CD and UC. A novel approach to adjunctive therapy involving distinct UC or CD subtypes may involve the use of probiotics and represents a potential avenue for future treatments.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | | | | | | | - Tongyu Tang
- Department of Gastroenterology, The First Hospital of Jilin University, Changchun, China
| | - Yuqin Li
- Department of Gastroenterology, The First Hospital of Jilin University, Changchun, China
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Lin TL, Kuo YL, Lai JH, Lu CC, Yuan CT, Hsu CY, Yan BS, Wu LSH, Wu TS, Wang JY, Yu CJ, Lai HC, Shu JC, Shu CC. Gut microbiota dysbiosis-related susceptibility to nontuberculous mycobacterial lung disease. Gut Microbes 2024; 16:2361490. [PMID: 38860456 PMCID: PMC11174134 DOI: 10.1080/19490976.2024.2361490] [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: 02/26/2023] [Accepted: 05/24/2024] [Indexed: 06/12/2024] Open
Abstract
The role of gut microbiota in host defense against nontuberculous mycobacterial lung disease (NTM-LD) was poorly understood. Here, we showed significant gut microbiota dysbiosis in patients with NTM-LD. Reduced abundance of Prevotella copri was significantly associated with NTM-LD and its disease severity. Compromised TLR2 activation activity in feces and plasma in the NTM-LD patients was highlighted. In the antibiotics-treated mice as a study model, gut microbiota dysbiosis with reduction of TLR2 activation activity in feces, sera, and lung tissue occurred. Transcriptomic analysis demonstrated immunocompromised in lung which were closely associated with increased NTM-LD susceptibility. Oral administration of P. copri or its capsular polysaccharides enhanced TLR2 signaling, restored immune response, and ameliorated NTM-LD susceptibility. Our data highlighted the association of gut microbiota dysbiosis, systematically compromised immunity and NTM-LD development. TLR2 activation by P. copri or its capsular polysaccharides might help prevent NTM-LD.
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Affiliation(s)
- Tzu-Lung Lin
- Department of Medical Biotechnology and Laboratory Science, College of Medicine, Chang Gung University, Taoyuan, Taiwan
- Microbiota Research Center and Emerging Viral Infections Research Center, Chang Gung University, Taoyuan, Taiwan
- REVIVEBIO CO, Taipei city, Taiwan
| | - Yen-Liang Kuo
- Graduate Institute of Biomedical Sciences, College of Medicine, Chang Gung University, Taoyuan, Taiwan
- Division of Chest Medicine, Department of Internal Medicine, Fu Jen Catholic University Hospital, New Taipei City, Taiwan
- School of Medicine, College of Medicine, Fu Jen Catholic University, New Taipei City, Taiwan
| | - Juo-Hsin Lai
- Internal Medicine, National Taiwan University College of Medicine, Taipei, Taiwan
| | - Chia-Chen Lu
- REVIVEBIO CO, Taipei city, Taiwan
- Department of Respiratory Therapy, Fu Jen Catholic University, New Taipei City, Taiwan
| | - Chang-Tsu Yuan
- Graduate Institute of Clinical Medicine, National Taiwan University, Taipei, Taiwan
- Department of Pathology, National Taiwan University Cancer Center, Taipei, Taiwan
- Department of Pathology, National Taiwan University Hospital, Taipei, Taiwan
| | - Chi-Yu Hsu
- Internal Medicine, National Taiwan University College of Medicine, Taipei, Taiwan
| | - Bo-Shiun Yan
- Institute of Biochemistry and Molecular Biology, National Taiwan University College of Medicine, Taipei City, Taiwan
| | - Lawrence Shih-Hsin Wu
- Graduate Institute of Biomedical Sciences, China Medical University, Taichung City, Taiwan
| | - Ting-Shu Wu
- Division of Infectious Diseases, Department of Internal Medicine, Linkou Chang Gung Memorial Hospital, Chang Gung University School of Medicine, Taoyuan, Taiwan
| | - Jann-Yuan Wang
- Internal Medicine, National Taiwan University College of Medicine, Taipei, Taiwan
- Department of Internal Medicine, National Taiwan University Hospital, Taipei, Taiwan
| | - Chong-Jen Yu
- Internal Medicine, National Taiwan University College of Medicine, Taipei, Taiwan
- Department of Internal Medicine, National Taiwan University Hospital Hsin-Chu Branch, Hsin-Chu, Taiwan
| | - Hsin-Chih Lai
- Department of Medical Biotechnology and Laboratory Science, College of Medicine, Chang Gung University, Taoyuan, Taiwan
- Microbiota Research Center and Emerging Viral Infections Research Center, Chang Gung University, Taoyuan, Taiwan
- REVIVEBIO CO, Taipei city, Taiwan
- Department of Laboratory Medicine, Linkou Chang Gung Memorial Hospital, Taoyuan, Taiwan
| | - Jwu-Ching Shu
- Department of Medical Biotechnology and Laboratory Science, College of Medicine, Chang Gung University, Taoyuan, Taiwan
- Department of Laboratory Medicine, Linkou Chang Gung Memorial Hospital, Taoyuan, Taiwan
| | - Chin-Chung Shu
- Internal Medicine, National Taiwan University College of Medicine, Taipei, Taiwan
- Department of Internal Medicine, National Taiwan University Hospital, Taipei, Taiwan
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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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Zhang B, Shi M, Xu S, Zhang H, Li Y, Hu D. Analysis on Changes and Influencing Factors of the Intestinal Microbiota of Alpine Musk Deer between the Place of Origin and Migration. Animals (Basel) 2023; 13:3791. [PMID: 38136828 PMCID: PMC10740494 DOI: 10.3390/ani13243791] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2023] [Revised: 12/04/2023] [Accepted: 12/05/2023] [Indexed: 12/24/2023] Open
Abstract
In China, the population of wild musk deer, belonging to the family Moschidae, has drastically decreased in recent years owing to human activities and environmental changes. During the 1990s, artificial breeding of Alpine musk deer was conducted in Xinglong Mountain, Gansu Province, China, and their ex situ conservation was explored for over a decade. Ex situ protection is beneficial for expanding the population of animals and maintaining their genetic diversity; however, it can also induce metabolic diseases and parasitic infections and reduce reproductive capacity. The gut microbiota of animals has a considerable impact on host energy metabolism and immune regulation, thereby playing a crucial role in the overall health and reproductive success of the host. In this study, by comparing the differences in the intestinal microbiome of the musk deer according to their place of origin and migration, the changes in their gut microbiota and the influencing factors were explored to provide a theoretical basis for monitoring the health status of the musk deer. We used 16S rRNA high-throughput sequencing technology to analyze the structure and diversity of the gut microbiota of Alpine musk deer in Gansu (G, place of origin) and Sichuan (S, place of migration). The results showed that the dominant bacteria and genera in the intestinal microbiome of captive musk deer were similar in the places of origin and migration, but significant differences were observed in their relative abundance (p < 0.05). Regarding Firmicutes and Actinobacteria, which are related to plant cellulose digestion, the relative abundance in group G was higher than that in group S; regarding Proteobacteria and Verrucomicrobia, which are related to fat and starch intake, the relative abundance in group S was higher than that in group G; the relative abundance of Bacillus and Clostridium sensu stricto, which are related to fiber digestibility, was higher in group G than in group S; the relative abundance of conditional pathogens Acinetobacter and Escherichia-Shigella was higher in group S than in group G. The results of α and β diversity analysis also showed significant differences between the two groups (p < 0.05). The ACE and Shannon indices of musk deer in group G were considerably higher than those in group S, and the Simpson index of musk deer in group S was greater than that in group G, indicating that the abundance and diversity of intestinal microbiome were higher in musk deer of Gansu than those of Sichuan. Comparison of the changes in the intestinal microbiome of the musk deer according to the place of origin and migration showed that the plant cellulose content in the food of the musk deer, the fat content in the concentrated feed, and changes in the feeding environment have an impact on the intestinal microbiome. Effective monitoring of the health and immunity of the musk deer is crucial for ensuring their overall health, which in turn will aid in formulating a scientific and reasonable management plan for their conservation.
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Affiliation(s)
- Baofeng Zhang
- School of Ecology and Nature Conservation, Beijing Forestry University, Beijing 100083, China
| | - Minghui Shi
- School of Ecology and Nature Conservation, Beijing Forestry University, Beijing 100083, China
| | - Shanghua Xu
- Guangxi Forestry Research Institute, Nanning 530002, China
| | - Haonan Zhang
- School of Ecology and Nature Conservation, Beijing Forestry University, Beijing 100083, China
| | - Yimeng Li
- Department of Life Sciences, National Natural History Museum of China, Beijing 100050, China
| | - Defu Hu
- School of Ecology and Nature Conservation, Beijing Forestry University, Beijing 100083, China
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Dou W, Xu H, Feng S, Liu T, Xiao L, Wu Y, Chen S, Pan Y, Wang X. The Alleviating Effects and Mechanisms of Betaine on Dextran Sulfate Sodium-Induced Colitis in Mice. Mol Nutr Food Res 2023; 67:e2300376. [PMID: 37815169 DOI: 10.1002/mnfr.202300376] [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: 06/06/2023] [Revised: 08/17/2023] [Indexed: 10/11/2023]
Abstract
SCOPE Ulcerative colitis (UC) is an intestinal disease that is becoming increasingly prevalent and is often overlooked in early stages, and its pathogenesis is often closely related to inflammatory processes. Betaine is a natural product with anti-inflammatory effects that exists in a wide range of plants and animals. METHODS AND RESULTS In this study, the protective effects of betaine are investigated on intestinal barrier function in a mouse model, a dextran sulfate sodium-induced ulcerative colitis and its mechanism of action in the inflammatory context. FITC-dextran 4000 Da (FD-4) flux, disease activity index, histopathological scores, and inflammatory factor levels in sera are determined across different groups. In addition, Caco-2 cell monolayer barrier function is evaluated by transepithelial resistance and FD-4 flux. The expression levels and distribution of tight junction proteins are determined using Western blot and immunofluorescence, respectively. Activation of the NF-κBp65/MLCK/p-MLC signaling pathway is detected by Western blot. Chromatin immunoprecipitation is performed to examine the binding of NF-κB to the MLCK gene promoter. The results indicated that betaine inhibits NF-κB-mediated activation of the MLCK/p-MLC signaling pathway to protect the intestinal barrier function of mice with UC. CONCLUSION Betaine can be used as a potential candidate drug to improve intestinal barrier dysfunction in patients with UC.
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Affiliation(s)
- Weidong Dou
- Department of General Surgery, Peking University First Hospital, Peking University, 8 Xi ShiKu Street, Beijing, 100034, P. R. China
| | - Hao Xu
- Department of General Surgery, Peking University First Hospital, Peking University, 8 Xi ShiKu Street, Beijing, 100034, P. R. China
| | - Shuo Feng
- Department of General Surgery, Peking University First Hospital, Peking University, 8 Xi ShiKu Street, Beijing, 100034, P. R. China
| | - Tao Liu
- Department of General Surgery, Peking University First Hospital, Peking University, 8 Xi ShiKu Street, Beijing, 100034, P. R. China
| | - Lin Xiao
- Department of General Surgery, Peking University First Hospital, Peking University, 8 Xi ShiKu Street, Beijing, 100034, P. R. China
| | - Yingchao Wu
- Department of General Surgery, Peking University First Hospital, Peking University, 8 Xi ShiKu Street, Beijing, 100034, P. R. China
| | - Shanwen Chen
- Department of General Surgery, Peking University First Hospital, Peking University, 8 Xi ShiKu Street, Beijing, 100034, P. R. China
| | - Yisheng Pan
- Department of General Surgery, Peking University First Hospital, Peking University, 8 Xi ShiKu Street, Beijing, 100034, P. R. China
| | - Xin Wang
- Department of General Surgery, Peking University First Hospital, Peking University, 8 Xi ShiKu Street, Beijing, 100034, P. R. China
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Boughanem H, Ruiz-Limón P, Pilo J, Lisbona-Montañez JM, Tinahones FJ, Moreno Indias I, Macías-González M. Linking serum vitamin D levels with gut microbiota after 1-year lifestyle intervention with Mediterranean diet in patients with obesity and metabolic syndrome: a nested cross-sectional and prospective study. Gut Microbes 2023; 15:2249150. [PMID: 37647262 PMCID: PMC10469434 DOI: 10.1080/19490976.2023.2249150] [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: 03/17/2023] [Revised: 08/12/2023] [Accepted: 08/14/2023] [Indexed: 09/01/2023] Open
Abstract
Vitamin D, microbiota, and the Mediterranean diet (MedDiet) have been the focus of recent research due to their potential role in maintaining overall health. We hypothesize that MedDiet may alter the gut microbiota profile through changes in vitamin D levels. We aimed to investigate changes in gut microbiota and serum vitamin D levels after a MedDiet within a lifestyle intervention. The study included 91 patients with obesity and metabolic syndrome, who were categorized based on their serum vitamin D levels as having either optimal or low 25-hydroxyvitamin D [25(OH)D levels]. The profile of the gut microbiota was analyzed by the 16S rRNA sequencing, inferring its functionality through PICRUsT. Participants underwent a hypocaloric MedDiet and change in their lifestyle for 1 year, and the profile and functionality of their gut microbiota were evaluated by analyzing inter-individual differences in time. At baseline, gut microbiota profiles qualitatively differed between participants with Optimal or Low 25(OH)D levels [Unweighted (p = 0.016)]. Moreover, participants with Optimal 25(OH)D levels showed a higher gut microbiota diversity than those with Low 25(OH)D levels (p < 0.05). The differential analysis of abundance between the Low and Optimal 25(OH)D groups revealed differences in the levels of Bacteroides, Prevotella, and two Clostridiales features. After 1-year dietary intervention, both groups increased their 25(OH)D levels. Furthermore, both groups did not show significant differences in gut microbiota diversity, although the Low 25(OH)D group showed greater improvement in gut microbiota diversity by comparing at baseline and after dietary intervention (p < 0.05). Changes in specific bacterial taxa were observed within each group but did not differ significantly between the groups. Metabolic pathway analysis indicated differences in microbial functions between the groups (p < 0.05). These findings suggest that 25(OH)D status is associated with gut microbiota composition, diversity, and functionality, and lifestyle intervention can modulate both gut microbiota and 25(OH)D levels, potentially influencing metabolic pathways.
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Affiliation(s)
- Hatim Boughanem
- Department of Endocrinology and Nutrition, Virgen de la Victoria University Hospital, Malaga, Spain
- CIBER in Physiopathology of Obesity and Nutrition (CIBEROBN), Instituto de Salud Carlos III, Madrid, Spain
- Unidad de Gestión Clinica Medicina Interna, Lipids and Atherosclerosis Unit, Maimonides Institute for Biomedical Research in Córdoba, Reina Sofia University Hospital, Córdoba, Spain
| | - Patricia Ruiz-Limón
- Department of Endocrinology and Nutrition, Virgen de la Victoria University Hospital, Malaga, Spain
- CIBER in Physiopathology of Obesity and Nutrition (CIBEROBN), Instituto de Salud Carlos III, Madrid, Spain
| | - Jesús Pilo
- Department of Endocrinology and Nutrition, Virgen de la Victoria University Hospital, Malaga, Spain
| | | | - Francisco J. Tinahones
- Department of Endocrinology and Nutrition, Virgen de la Victoria University Hospital, Malaga, Spain
- CIBER in Physiopathology of Obesity and Nutrition (CIBEROBN), Instituto de Salud Carlos III, Madrid, Spain
- Department of Medicine and Dermatology, Faculty of Medicine, University of Malaga, Málaga, Spain
| | - Isabel Moreno Indias
- Department of Endocrinology and Nutrition, Virgen de la Victoria University Hospital, Malaga, Spain
- CIBER in Physiopathology of Obesity and Nutrition (CIBEROBN), Instituto de Salud Carlos III, Madrid, Spain
| | - Manuel Macías-González
- Department of Endocrinology and Nutrition, Virgen de la Victoria University Hospital, Malaga, Spain
- CIBER in Physiopathology of Obesity and Nutrition (CIBEROBN), Instituto de Salud Carlos III, Madrid, Spain
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Le D, Chambers MM, Mercado K, Gutowski CJ. Characterization of the gut microbiome in an osteosarcoma mouse model. J Orthop Res 2023; 41:2730-2739. [PMID: 37246455 DOI: 10.1002/jor.25635] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/28/2023] [Accepted: 05/26/2023] [Indexed: 05/30/2023]
Abstract
Compelling evidence has mounted surrounding the relationship between the gut microbiome and many intestinal and extraintestinal cancers. Few studies exist investigating the relationship between the gut microbiome and sarcoma. We hypothesize that the presence of distant osteosarcoma induces change to the profile of flora within the mouse. Twelve mice were used for this experiment: six were sedated and received an injection of human osteosarcoma cells into the flank, while six served as controls. Baseline stool and weight were collected. Tumor size and mouse weight were recorded weekly, and stool samples were collected and stored. Fecal microbiomes of the mice were profiled by 16S rRNA gene sequencing and analyzed for alpha diversity, relative abundances of microbial taxa, and abundance of specific bacteria at different time points. Alpha diversity was increased in the osteosarcoma group compared with the control group. The family Lachnospiraceae had the second strongest negative net average change in relative abundance over time in the osteosarcoma group whereas it had a positive net average change in the control group. An increased Firmicutes/Bacteroidota (F/B) ratio was observed in the osteosarcoma group relative to the control mice. These differences suggest that there may be an interplay between the gut microbiome and osteosarcoma. Clinical significance: Due to the paucity of literature available, our work can support novel research on this relationship and the development of new, personalized treatments for osteosarcoma.
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Affiliation(s)
- David Le
- Department of Orthopaedic Surgery, Inspira Medical Center, Vineland, New Jersey, USA
| | | | - Kayla Mercado
- Department of Orthopaedic Surgery, Cooper University Healthcare, Camden, New Jersey, USA
| | - Christina J Gutowski
- Cooper Medical School of Rowan University, Camden, New Jersey, USA
- Department of Orthopaedic Surgery, Cooper University Healthcare, Camden, New Jersey, USA
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Wallen-Russell C, Pearlman N, Wallen-Russell S, Cretoiu D, Thompson DC, Voinea SC. A Catastrophic Biodiversity Loss in the Environment Is Being Replicated on the Skin Microbiome: Is This a Major Contributor to the Chronic Disease Epidemic? Microorganisms 2023; 11:2784. [PMID: 38004795 PMCID: PMC10672968 DOI: 10.3390/microorganisms11112784] [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: 08/30/2023] [Revised: 10/16/2023] [Accepted: 11/08/2023] [Indexed: 11/26/2023] Open
Abstract
There has been a catastrophic loss of biodiversity in ecosystems across the world. A similar crisis has been observed in the human gut microbiome, which has been linked to "all human diseases affecting westernized countries". This is of great importance because chronic diseases are the leading cause of death worldwide and make up 90% of America's healthcare costs. Disease development is complex and multifactorial, but there is one part of the body's interlinked ecosystem that is often overlooked in discussions about whole-body health, and that is the skin microbiome. This is despite it being a crucial part of the immune, endocrine, and nervous systems and being continuously exposed to environmental stressors. Here we show that a parallel biodiversity loss of 30-84% has occurred on the skin of people in the developed world compared to our ancestors. Research has shown that dysbiosis of the skin microbiome has been linked to many common skin diseases and, more recently, that it could even play an active role in the development of a growing number of whole-body health problems, such as food allergies, asthma, cardiovascular diseases, and Parkinson's, traditionally thought unrelated to the skin. Damaged skin is now known to induce systemic inflammation, which is involved in many chronic diseases. We highlight that biodiversity loss is not only a common finding in dysbiotic ecosystems but also a type of dysbiosis. As a result, we make the case that biodiversity loss in the skin microbiome is a major contributor to the chronic disease epidemic. The link between biodiversity loss and dysbiosis forms the basis of this paper's focus on the subject. The key to understanding why biodiversity loss creates an unhealthy system could be highlighted by complex physics. We introduce entropy to help understand why biodiversity has been linked with ecosystem health and stability. Meanwhile, we also introduce ecosystems as being governed by "non-linear physics" principles-including chaos theory-which suggests that every individual part of any system is intrinsically linked and implies any disruption to a small part of the system (skin) could have a significant and unknown effect on overall system health (whole-body health). Recognizing the link between ecosystem health and human health allows us to understand how crucial it could be to maintain biodiversity across systems everywhere, from the macro-environment we inhabit right down to our body's microbiome. Further, in-depth research is needed so we can aid in the treatment of chronic diseases and potentially change how we think about our health. With millions of people currently suffering, research to help mitigate the crisis is of vital importance.
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Affiliation(s)
| | - Nancy Pearlman
- Ecology Center of Southern California, Los Angeles, CA 90035, USA;
| | | | - Dragos Cretoiu
- Department of Medical Genetics, Carol Davila University of Medicine and Pharmacy, 020021 Bucharest, Romania
- Fetal Medicine Excellence Research Center, Alessandrescu-Rusescu National Institute for Mother and Child Health, 011062 Bucharest, Romania
| | - Dana Claudia Thompson
- Fetal Medicine Excellence Research Center, Alessandrescu-Rusescu National Institute for Mother and Child Health, 011062 Bucharest, Romania
| | - Silviu Cristian Voinea
- Department of Surgical Oncology, Prof. Dr. Al. Trestioreanu Oncology Institute, Carol Davila University of Medicine and Pharmacy, 022328 Bucharest, Romania
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Dey P, Ray Chaudhuri S. The opportunistic nature of gut commensal microbiota. Crit Rev Microbiol 2023; 49:739-763. [PMID: 36256871 DOI: 10.1080/1040841x.2022.2133987] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2022] [Revised: 07/30/2022] [Accepted: 10/05/2022] [Indexed: 11/03/2022]
Abstract
The abundance of gut commensals has historically been associated with health-promoting effects despite the fact that the definition of good or bad microbiota remains condition-specific. The beneficial or pathogenic nature of microbiota is generally dictated by the dimensions of host-microbiota and microbe-microbe interactions. With the increasing popularity of gut microbiota in human health and disease, emerging evidence suggests opportunistic infections promoted by those gut bacteria that are generally considered beneficial. Therefore, the current review deals with the opportunistic nature of the gut commensals and aims to summarise the concepts behind the occasional commensal-to-pathogenic transformation of the gut microbes. Specifically, relevant clinical and experimental studies have been discussed on the overgrowth and bacteraemia caused by commensals. Three key processes and their underlying mechanisms have been summarised to be responsible for the opportunistic nature of commensals, viz. improved colonisation fitness that is dictated by commensal-pathogen interactions and availability of preferred nutrients; pathoadaptive mutations that can trigger the commensal-to-pathogen transformation; and evasion of host immune response as a survival and proliferation strategy of the microbes. Collectively, this review provides an updated concept summary on the underlying mechanisms of disease causative events driven by gut commensal bacteria.
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Affiliation(s)
- Priyankar Dey
- Department of Biotechnology, Thapar Institute of Engineering and Technology, Patiala, India
| | - Saumya Ray Chaudhuri
- Council of Scientific and Industrial Research (CSIR), Institute of Microbial Technology, Chandigarh, India
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Kleine Bardenhorst S, Cereda E, Severgnini M, Barichella M, Pezzoli G, Keshavarzian A, Desideri A, Pietrucci D, Aho VTE, Scheperjans F, Hildebrand F, Weis S, Egert M, Karch A, Vital M, Rübsamen N. Gut microbiota dysbiosis in Parkinson disease: A systematic review and pooled analysis. Eur J Neurol 2023; 30:3581-3594. [PMID: 36593694 DOI: 10.1111/ene.15671] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2022] [Revised: 11/04/2022] [Accepted: 12/07/2022] [Indexed: 01/04/2023]
Abstract
BACKGROUND AND PURPOSE The role of the gut microbiome in the pathogenesis of Parkinson disease (PD) is under intense investigation, and the results presented are still very heterogeneous. These discrepancies arise not only from the highly heterogeneous pathology of PD, but also from widely varying methodologies at all stages of the workflow, from sampling to final statistical analysis. The aim of the present work is to harmonize the workflow across studies to reduce the methodological heterogeneity and to perform a pooled analysis to account for other sources of heterogeneity. METHODS We performed a systematic review to identify studies comparing the gut microbiota of PD patients to healthy controls. A workflow was designed to harmonize processing across all studies from bioinformatics processing to final statistical analysis using a Bayesian random-effects meta-analysis based on individual patient-level data. RESULTS The results show that harmonizing workflows minimizes differences between statistical methods and reveals only a small set of taxa being associated with the pathogenesis of PD. Increased shares of the genera Akkermansia and Bifidobacterium and decreased shares of the genera Roseburia and Faecalibacterium were most characteristic for PD-associated microbiota. CONCLUSIONS Our study summarizes evidence that reduced levels of butyrate-producing taxa in combination with possible degradation of the mucus layer by Akkermansia may promote intestinal inflammation and reduced permeability of the gut mucosal layer. This may allow potentially pathogenic metabolites to transit and enter the enteric nervous system.
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Affiliation(s)
| | - Emanuele Cereda
- Clinical Nutrition and Dietetics Unit, Fondazione IRCCS Policlinico San Matteo, Pavia, Italy
| | - Marco Severgnini
- Institute of Biomedical Technologies, Italian National Research Council, Milan, Italy
| | | | - Gianni Pezzoli
- Parkinson Institute, ASST-Pini-CTO, Milan, Italy
- Fondazione Grigioni per il Morbo di Parkinson, Milan, Italy
| | - Ali Keshavarzian
- Rush Center for Integrated Microbiome & Chronobiology Research, Chicago, Illinois, USA
- Departments of Medicine, Physiology, Anatomy, and Cell Biology, Rush University, Chicago, Illinois, USA
| | | | - Daniele Pietrucci
- Department for Innovation in Biological, Agro-food, and Forest Systems, University of Tuscia, Viterbo, Italy
- Institute of Biomembranes, Bioenergetics and Molecular Biotechnologies, IBIOM, Italian National Research Council, Bari, Italy
| | - Velma T E Aho
- DNA Sequencing and Genomics Laboratory, Institute of Biotechnology, University of Helsinki, Helsinki, Finland
- Department of Neurology, Helsinki University Hospital, and Clinicum, University of Helsinki, Helsinki, Finland
| | - Filip Scheperjans
- Department of Neurology, Helsinki University Hospital, and Clinicum, University of Helsinki, Helsinki, Finland
| | | | - Severin Weis
- Microbiology and Hygiene Group, Institute of Precision Medicine, Furtwangen University, Furtwangen, Germany
| | - Markus Egert
- Microbiology and Hygiene Group, Institute of Precision Medicine, Furtwangen University, Furtwangen, Germany
| | - André Karch
- Institute of Epidemiology and Social Medicine, University of Münster, Münster, Germany
| | - Marius Vital
- Institute for Medical Microbiology and Hospital Epidemiology, Hannover Medical School, Hannover, Germany
| | - Nicole Rübsamen
- Institute of Epidemiology and Social Medicine, University of Münster, Münster, Germany
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Li H, Ma X, Li Y, Liu Q, Tian Q, Yang X, Zhou Z, Ren J, Sun B, Feng X, Zhang H, Yin X, Li H, Ding X. The metagenomic and metabolomic profile of the gut microbes in Chinese full-term and late preterm infants treated with Clostridium butyricum. Sci Rep 2023; 13:18775. [PMID: 37907561 PMCID: PMC10618524 DOI: 10.1038/s41598-023-45586-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2023] [Accepted: 10/21/2023] [Indexed: 11/02/2023] Open
Abstract
The present study investigated the composition, abundance, and diversity of gut microbes in full-term and late-preterm infants from a medical center in eastern China. A total of 144 genomes of stool samples were captured for 16S rRNA metagenomic analyses. A high abundance of commensal intestinal bacteria was detected in these samples such as Phocaeicola vulgatus, Escherichia coli, and Faecalibacterium prausnitzii, indicating a relatively consistent diversity of gut microbes in the present full-term infants aged 38-40 weeks. However, late preterm infants (n = 50) with mandatory antimicrobials feeding exhibited lower diversity but a higher composition of opportunistic pathogens such as Enterococcus species. Centralized on the situation, we explored the regulatory effect of Clostridium butyricum as probiotics on these late preterm infants. The consumption of C. butyricum did not restore the composition of gut microbes altered by antimicrobials to normal levels, although several opportunistic pathogens decreased significantly after probiotic therapy including Staphylococcus aureus, Sphingomonas echinoides, and Pseudomonas putida. We also compared the effects of day-fed versus night-fed probiotics. Intriguingly, the nighttime feeding showed a higher proportion of C. butyricum compared with probiotic day-feeding. Finally, fecal metabolome and metabolites were analyzed in late preterm infants with (n = 20) or without probiotic therapy (n = 20). The KEGG enrichment analysis demonstrated that vitamin digestion and absorption, synaptic vesicle cycle, and biotin metabolism were significantly increased in the probiotic-treated group, while MSEA indicated that a series of metabolism were significantly enriched in probiotic-treated infants including glycerolipid, biotin, and lysine, indicating the complex effects of probiotic therapy on glutathione metabolism and nutrients digestion and absorption in late preterm infants. Overall, this study provided metagenomic and metabolomic profile of the gut microbes in full-term newborns and late preterm infants in eastern China. Further studies are needed to support and elucidate the role of probiotic feeding in late preterm infants with mandatory antimicrobial treatment.
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Affiliation(s)
- Hong Li
- Soochow Key Laboratory of Prevention and Treatment of Child Brain Injury, Children's Hospital of Soochow University, #303 Jingde Road, Gusu District, Suzhou, 215003, Jiangsu, China
| | - Xingling Ma
- Soochow Key Laboratory of Prevention and Treatment of Child Brain Injury, Children's Hospital of Soochow University, #303 Jingde Road, Gusu District, Suzhou, 215003, Jiangsu, China
| | - Yongfu Li
- Neonatology Department, Suzhou Science and Technology Town Hospital, Suzhou, Jiangsu, China
| | - Qin Liu
- Neonatology Department, Suzhou Science and Technology Town Hospital, Suzhou, Jiangsu, China
- Pediatric Department, Suzhou New District Yangshan Community Health Service Center, Suzhou, China
| | - Qiuyan Tian
- Soochow Key Laboratory of Prevention and Treatment of Child Brain Injury, Children's Hospital of Soochow University, #303 Jingde Road, Gusu District, Suzhou, 215003, Jiangsu, China
| | - Xiaofeng Yang
- Soochow Key Laboratory of Prevention and Treatment of Child Brain Injury, Children's Hospital of Soochow University, #303 Jingde Road, Gusu District, Suzhou, 215003, Jiangsu, China
| | - Zhemin Zhou
- Pasteurien College, Suzhou Medical College of Soochow University, Suzhou, Jiangsu, China
| | - Jing Ren
- Soochow Key Laboratory of Prevention and Treatment of Child Brain Injury, Children's Hospital of Soochow University, #303 Jingde Road, Gusu District, Suzhou, 215003, Jiangsu, China
| | - Bin Sun
- Soochow Key Laboratory of Prevention and Treatment of Child Brain Injury, Children's Hospital of Soochow University, #303 Jingde Road, Gusu District, Suzhou, 215003, Jiangsu, China
| | - Xing Feng
- Soochow Key Laboratory of Prevention and Treatment of Child Brain Injury, Children's Hospital of Soochow University, #303 Jingde Road, Gusu District, Suzhou, 215003, Jiangsu, China
| | - Hong Zhang
- Taixing People's Hospital, Taizhou, Jiangsu, China
| | - Xiaoping Yin
- Taixing People's Hospital, Taizhou, Jiangsu, China
| | - Heng Li
- Pasteurien College, Suzhou Medical College of Soochow University, Suzhou, Jiangsu, China.
| | - Xin Ding
- Soochow Key Laboratory of Prevention and Treatment of Child Brain Injury, Children's Hospital of Soochow University, #303 Jingde Road, Gusu District, Suzhou, 215003, Jiangsu, China.
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Lai C, Chen L, Zhong X, Tang Z, Zhang B, Luo Y, Li C, Jin M, Chen X, Li J, Shi Y, Sun Y, Guo L. Long-term effects on liver metabolism induced by ceftriaxone sodium pretreatment. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2023; 335:122238. [PMID: 37506808 DOI: 10.1016/j.envpol.2023.122238] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/16/2023] [Revised: 07/16/2023] [Accepted: 07/20/2023] [Indexed: 07/30/2023]
Abstract
Ceftriaxone is an emerging contaminant due to its potential harm, while its effects on liver are still need to be clarified. In this study, we first pretreated the 8-week-old C57BL/6J mice with high dose ceftriaxone sodium (Cef, 400 mg/mL, 0.2 mL per dose) for 8 days to prepare a gut dysbiosis model, then treated with normal feed for a two-month recovery period, and applied non-targeted metabolomics (including lipidomics) to investigate the variations of fecal and liver metabolome, and coupled with targeted determination of fecal short-chain fatty acids (SCFAs) and bile acids (BAs). Lastly, the correlations and mediation analysis between the liver metabolism and gut metabolism/microbes were carried, and the potential mechanisms of the mal-effects on gut-liver axis induced by Cef pretreatment were accordingly discussed. Compared to the control group, Cef pretreatment reduced the rate of weight gain and hepatosomatic index, induced bile duct epithelial cells proliferated around the central vein and appearance of binucleated hepatocytes, decreased the ratio of total branching chains amino acids (BCAAs) to total aromatic amino acids (AAAs) in liver metabolome. In fecal metabolome, the total fecal SCFAs and BAs did not change significantly while butyric acid decreased and the primary BAs increased after Cef pretreatment. Correlation and mediation analysis revealed one potential mechanism that Cef may first change the intestinal microbiota (such as destroying its normal structure, reducing its abundance and the stability of the microbial network or certain microbe abundance like Alistipes), and then change the intestinal metabolism (such as acetate, caproate, propionate), leading to liver metabolic disorder (such as spermidine, inosine, cinnamaldehyde). This study proved the possibility of Cef-induced liver damage, displayed the overall metabolic profile of the liver following Cef pretreatment and provided a theoretical framework for further research into the mechanism of Cef-induced liver damage.
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Affiliation(s)
- Chengze Lai
- The First Dongguan Affiliated Hospital, Guangdong Medical University, Dongguan, China; Dongguan Key Laboratory of Environmental Medicine, School of Public Health, Guangdong Medical University, Dongguan, China
| | - Linkang Chen
- Dongguan Key Laboratory of Environmental Medicine, School of Public Health, Guangdong Medical University, Dongguan, China
| | - Xiaoting Zhong
- Dongguan Key Laboratory of Environmental Medicine, School of Public Health, Guangdong Medical University, Dongguan, China
| | - Zeli Tang
- Department of Pathology, School of Basic Medical Sciences, Guangdong Medical University, Dongguan, China
| | - Bin Zhang
- Dongguan Key Laboratory of Environmental Medicine, School of Public Health, Guangdong Medical University, Dongguan, China
| | - Yu Luo
- Guangzhou Liwan District Center for Disease Control and Prevention, Guangzhou, Guangdong, China
| | - Chengji Li
- Yunfu Disease Control and Prevention Center, Guang Dong Province, China
| | - Mengcheng Jin
- Dongguan Key Laboratory of Environmental Medicine, School of Public Health, Guangdong Medical University, Dongguan, China
| | - Xu Chen
- Dongguan Key Laboratory of Environmental Medicine, School of Public Health, Guangdong Medical University, Dongguan, China
| | - Jinglin Li
- Dongguan Key Laboratory of Environmental Medicine, School of Public Health, Guangdong Medical University, Dongguan, China
| | - Yinying Shi
- Dongguan Key Laboratory of Environmental Medicine, School of Public Health, Guangdong Medical University, Dongguan, China
| | - Yanqin Sun
- Department of Pathology, School of Basic Medical Sciences, Guangdong Medical University, Dongguan, China
| | - Lianxian Guo
- The First Dongguan Affiliated Hospital, Guangdong Medical University, Dongguan, China; Dongguan Key Laboratory of Environmental Medicine, School of Public Health, Guangdong Medical University, Dongguan, China.
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Manthei A, López-Gámez G, Martín-Belloso O, Elez-Martínez P, Soliva-Fortuny R. Relationship between Physicochemical, Techno-Functional and Health-Promoting Properties of Fiber-Rich Fruit and Vegetable By-Products and Their Enhancement by Emerging Technologies. Foods 2023; 12:3720. [PMID: 37893613 PMCID: PMC10606636 DOI: 10.3390/foods12203720] [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: 08/28/2023] [Revised: 09/20/2023] [Accepted: 10/06/2023] [Indexed: 10/29/2023] Open
Abstract
The preparation and processing of fruits and vegetables produce high amounts of underutilized fractions, such as pomace and peel, which present a risk to the environment but constitute a valuable source of dietary fiber (DF) and bioactive compounds. The utilization of these fiber-rich products as functional food ingredients demands the application of treatments to improve their techno-functional properties, such as oil and water binding, and health-related properties, such as fermentability, adsorption, and retardation capacities of glucose, cholesterol, and bile acids. The enhancement of health-promoting properties is strongly connected with certain structural and techno-functional characteristics, such as the soluble DF content, presence of hydrophobic groups, and viscosity. Novel physical, environmentally friendly technologies, such as ultrasound (US), high-pressure processing (HPP), extrusion, and microwave, have been found to have higher potential than chemical and comminution techniques in causing desirable structural alterations of the DF network that lead to the improvement of techno-functionality and health promotion. The application of enzymes was related to higher soluble DF content, which might be associated with improved DF properties. Combined physical and enzymatic treatments can aid solubilization and modifications, but their benefit needs to be evaluated for each DF source and the desired outcome.
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Affiliation(s)
| | | | | | | | - Robert Soliva-Fortuny
- Department of Food Technology, Engineering and Science, University of Lleida/Agrotecnio-CeRCA Center, Av. Alcalde Rovira Roure, 191, 25198 Lleida, Spain; (A.M.)
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48
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Wang J, Li Y, Jaramillo-Torres A, Einen O, Jakobsen JV, Krogdahl Å, Kortner TM. Exploring gut microbiota in adult Atlantic salmon (Salmo salar L.): Associations with gut health and dietary prebiotics. Anim Microbiome 2023; 5:47. [PMID: 37789427 PMCID: PMC10548677 DOI: 10.1186/s42523-023-00269-1] [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: 05/23/2023] [Accepted: 09/24/2023] [Indexed: 10/05/2023] Open
Abstract
BACKGROUND The importance of the gut microbiota for physiological processes in mammals is well established, but the knowledge of their functional roles in fish is still limited. The aims of this study were to investigate associations between variation in taxonomical composition of the gut microbiota and gut health status in Atlantic salmon and to explore possible modulatory effects of dietary prebiotics in one net-pen farm in open water. The fish with initial mean body weight of around 240 g were fed diets based on the same basal composition, either without (Ref diet) or with (Test diet) yeast cell wall based-prebiotics, during the marine production phase from December to September the following year. Sampling was conducted at three sampling time points: January, April, and September, with average water temperature of 3.9 ℃, 3.4 ℃ and 9.6 ℃, respectively. RESULTS As the fish progressed towards September, growth, brush border membrane enzyme activities, and the expression in the gut of most of the observed genes involved in immune (e.g., il8, cd4a, myd88, il1b, gilt, tgfb, cd8b and cd3), barrier (e.g., zo1, occludin, ecad, claudin25b and claudin15), and metabolism increased significantly. Lipid accumulation in pyloric enterocytes decreased remarkably, suggesting improvement of gut health condition. The growth of the fish did not differ between dietary treatments. Further, dietary prebiotics affected the gut health only marginally regardless of duration of administration. Regarding gut microbiota composition, a decrease in alpha diversity (Observed species, Pielou and Shannon) over time was observed, which was significantly associated with an increase in the relative abundance of genus Mycoplasma and decrease in 32 different taxa in genus level including lactic acid bacteria (LAB), such as Lactobacillus, Leuconostoc, and Lactococcus. This indicates that developmental stage of Atlantic salmon is a determinant for microbial composition. Multivariate association analysis revealed that the relative abundance of Mycoplasma was positively correlated with gut barrier gene expression, negatively correlated with plasma glucose levels, and that its relative abundance slightly increased by exposure to prebiotics. Furthermore, certain LAB (e.g., Leuconostoc), belonging to the core microbiota, showed a negative development with time, and significant associations with plasma nutrients levels (e.g., triglyceride and cholesterol) and gene expression related to gut immune and barrier function. CONCLUSIONS As Atlantic salmon grew older under large-scale, commercial farm settings, the Mycoplasma became more prominent with a concomitant decline in LAB. Mycoplasma abundance correlated positively with time and gut barrier genes, while LAB abundance negatively correlated to time. Dietary prebiotics affected gut health status only marginally.
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Affiliation(s)
- Jie Wang
- National Aquafeed Safety Assessment Center, Institute of Feed Research, Chinese Academy of Agricultural Sciences, No.12 Zhongguancun South St, Beijing, China.
- Faculty of Veterinary Medicine, Norwegian University of Life Sciences, P.O. Box 5003, Ås, 1432, Norway.
| | - Yanxian Li
- Faculty of Veterinary Medicine, Norwegian University of Life Sciences, P.O. Box 5003, Ås, 1432, Norway
| | | | - Olai Einen
- Cermaq Group AS, Dronning Eufemias gate 16, Oslo, 0191, Norway
| | - Jan Vidar Jakobsen
- Cargill Aqua Nutrition, Prof. Olav Hanssensvei 7A, Stavanger, 4021, Norway
| | - Åshild Krogdahl
- Faculty of Veterinary Medicine, Norwegian University of Life Sciences, P.O. Box 5003, Ås, 1432, Norway
| | - Trond M Kortner
- Faculty of Veterinary Medicine, Norwegian University of Life Sciences, P.O. Box 5003, Ås, 1432, Norway
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49
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Moreno-Corona NC, López-Ortega O, Pérez-Martínez CA, Martínez-Castillo M, De Jesús-González LA, León-Reyes G, León-Juárez M. Dynamics of the Microbiota and Its Relationship with Post-COVID-19 Syndrome. Int J Mol Sci 2023; 24:14822. [PMID: 37834270 PMCID: PMC10573029 DOI: 10.3390/ijms241914822] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2023] [Revised: 09/24/2023] [Accepted: 09/28/2023] [Indexed: 10/15/2023] Open
Abstract
Coronavirus disease (COVID-19) is an infection caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), which can be asymptomatic or present with multiple organ dysfunction. Many infected individuals have chronic alterations associated with neuropsychiatric, endocrine, gastrointestinal, and musculoskeletal symptoms, even several months after disease onset, developing long-COVID or post-acute COVID-19 syndrome (PACS). Microbiota dysbiosis contributes to the onset and progression of many viral diseases, including COVID-19 and post-COVID-19 manifestations, which could serve as potential diagnostic and prognostic biomarkers. This review aimed to discuss the most recent findings on gut microbiota dysbiosis and its relationship with the sequelae of PACS. Elucidating these mechanisms could help develop personalized and non-invasive clinical strategies to identify individuals at a higher risk of experiencing severe disease progression or complications associated with PACS. Moreover, the review highlights the importance of targeting the gut microbiota composition to avoid dysbiosis and to develop possible prophylactic and therapeutic measures against COVID-19 and PACS in future studies.
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Affiliation(s)
- Nidia Carolina Moreno-Corona
- Laboratory of Human Lymphohematopoiesis, Imagine Institute, INSERM UMR 1163, Université de Paris, 75015 Paris, France;
| | - Orestes López-Ortega
- Université Paris Cité, INSERM UMR-S1151, CNRS UMR-S8253, Institute Necker Enfants Malades, 75015 Paris, France;
| | | | - Macario Martínez-Castillo
- Sección de Estudios de Posgrado e Investigación, Escuela Superior de Medicina, Instituto Politécnico Nacional, Mexico City 11340, Mexico;
| | | | - Guadalupe León-Reyes
- Laboratorio de Nutrigenética y Nutrigenómica, Instituto Nacional de Medicina Genómica (INMEGEN), México City 16610, Mexico;
| | - Moisés León-Juárez
- Laboratorio de Virología Perinatal y Diseño Molecular de Antígenos y Biomarcadores, Departamento de Inmunobioquímica, Instituto Nacional de Perinatología, Mexico City 11000, Mexico
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50
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Haldar S, Jadhav SR, Gulati V, Beale DJ, Balkrishna A, Varshney A, Palombo EA, Karpe AV, Shah RM. Unravelling the gut-lung axis: insights into microbiome interactions and Traditional Indian Medicine's perspective on optimal health. FEMS Microbiol Ecol 2023; 99:fiad103. [PMID: 37656879 PMCID: PMC10508358 DOI: 10.1093/femsec/fiad103] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2023] [Revised: 07/05/2023] [Accepted: 08/30/2023] [Indexed: 09/03/2023] Open
Abstract
The microbiome of the human gut is a complex assemblage of microorganisms that are in a symbiotic relationship with one another and profoundly influence every aspect of human health. According to converging evidence, the human gut is a nodal point for the physiological performance matrixes of the vital organs on several axes (i.e. gut-brain, gut-lung, etc). As a result of COVID-19, the importance of gut-lung dysbiosis (balance or imbalance) has been realised. In view of this, it is of utmost importance to develop a comprehensive understanding of the microbiome, as well as its dysbiosis. In this review, we provide an overview of the gut-lung axial microbiome and its importance in maintaining optimal health. Human populations have successfully adapted to geophysical conditions through traditional dietary practices from around the world. In this context, a section has been devoted to the traditional Indian system of medicine and its theories and practices regarding the maintenance of optimally customized gut health.
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Affiliation(s)
- Swati Haldar
- Drug Discovery and Development Division, Patanjali Research Institute, NH-58, Haridwar 249405, Uttarakhand, India
| | - Snehal R Jadhav
- Consumer-Analytical-Safety-Sensory (CASS) Food Research Centre, School of Exercise and Nutrition Sciences, Deakin University, Burwood, VIC 3125, Australia
| | - Vandana Gulati
- Biomedical Science, School of Science and Technology Faculty of Science, Agriculture, Business and Law, University of New England, Armidale, NSW 2351, Australia
| | - David J Beale
- Environment, Commonwealth Scientific and Industrial Research Organisation (CSIRO), Ecosciences Precinct, Dutton Park, QLD 4102, Australia
| | - Acharya Balkrishna
- Drug Discovery and Development Division, Patanjali Research Institute, NH-58, Haridwar 249405, Uttarakhand, India
- Department of Allied and Applied Sciences, University of Patanjali, Patanjali Yog Peeth, Roorkee-Haridwar Road, Haridwar 249405, Uttarakhand, India
| | - Anurag Varshney
- Drug Discovery and Development Division, Patanjali Research Institute, NH-58, Haridwar 249405, Uttarakhand, India
- Department of Allied and Applied Sciences, University of Patanjali, Patanjali Yog Peeth, Roorkee-Haridwar Road, Haridwar 249405, Uttarakhand, India
| | - Enzo A Palombo
- Department of Chemistry and Biotechnology, School of Science, Computing and Engineering Technologies, Swinburne University of Technology, Hawthorn, VIC 3122, Australia
| | - Avinash V Karpe
- Department of Chemistry and Biotechnology, School of Science, Computing and Engineering Technologies, Swinburne University of Technology, Hawthorn, VIC 3122, Australia
- Socio-Eternal Thinking for Unity (SETU), Melbourne, VIC 3805, Australia
- Agriculture and Food, Commonwealth Scientific and Industrial Research Organisation (CSIRO), Acton, ACT 2601, Australia
| | - Rohan M Shah
- Department of Chemistry and Biotechnology, School of Science, Computing and Engineering Technologies, Swinburne University of Technology, Hawthorn, VIC 3122, Australia
- School of Health and Biomedical Sciences, STEM College, RMIT University, Bundoora West, VIC 3083, Australia
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