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Zajkowska I, Niczyporuk P, Urbaniak A, Tomaszek N, Modzelewski S, Waszkiewicz N. Investigating the Impacts of Diet, Supplementation, Microbiota, Gut-Brain Axis on Schizophrenia: A Narrative Review. Nutrients 2024; 16:2228. [PMID: 39064675 PMCID: PMC11279812 DOI: 10.3390/nu16142228] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2024] [Revised: 07/06/2024] [Accepted: 07/08/2024] [Indexed: 07/28/2024] Open
Abstract
Schizophrenia is a disease with a complex etiology that significantly impairs the functioning of patients. In recent years, there has been increasing focus on the importance of the gut microbiota in the context of the gut-brain axis. In our study, we analyzed data on the gut-brain axis in relation to schizophrenia, as well as the impacts of eating habits, the use of various supplements, and diets on schizophrenia. Additionally, the study investigated the impact of antipsychotics on the development of metabolic disorders, such as diabetes, dyslipidemia, and obesity. There may be significant clinical benefits to be gained from therapies supported by supplements such as omega-3 fatty acids, B vitamins, and probiotics. The results suggest the need for a holistic approach to the treatment of schizophrenia, incorporating both drug therapy and dietary interventions.
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Affiliation(s)
| | | | | | | | - Stefan Modzelewski
- Department of Psychiatry, Medical University of Bialystok, pl. Wołodyjowskiego 2, 15-272 Białystok, Poland; (I.Z.); (N.W.)
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2
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Dmytriv TR, Storey KB, Lushchak VI. Intestinal barrier permeability: the influence of gut microbiota, nutrition, and exercise. Front Physiol 2024; 15:1380713. [PMID: 39040079 PMCID: PMC11260943 DOI: 10.3389/fphys.2024.1380713] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2024] [Accepted: 05/29/2024] [Indexed: 07/24/2024] Open
Abstract
The intestinal wall is a selectively permeable barrier between the content of the intestinal lumen and the internal environment of the body. Disturbances of intestinal wall permeability can potentially lead to unwanted activation of the enteric immune system due to excessive contact with gut microbiota and its components, and the development of endotoxemia, when the level of bacterial lipopolysaccharides increases in the blood, causing chronic low-intensity inflammation. In this review, the following aspects are covered: the structure of the intestinal wall barrier; the influence of the gut microbiota on the permeability of the intestinal wall via the regulation of functioning of tight junction proteins, synthesis/degradation of mucus and antioxidant effects; the molecular mechanisms of activation of the pro-inflammatory response caused by bacterial invasion through the TLR4-induced TIRAP/MyD88 and TRAM/TRIF signaling cascades; the influence of nutrition on intestinal permeability, and the influence of exercise with an emphasis on exercise-induced heat stress and hypoxia. Overall, this review provides some insight into how to prevent excessive intestinal barrier permeability and the associated inflammatory processes involved in many if not most pathologies. Some diets and physical exercise are supposed to be non-pharmacological approaches to maintain the integrity of intestinal barrier function and provide its efficient operation. However, at an early age, the increased intestinal permeability has a hormetic effect and contributes to the development of the immune system.
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Affiliation(s)
- Tetiana R. Dmytriv
- Department of Biochemistry and Biotechnology, Vasyl Stefanyk Precarpathian National University, Ivano-Frankivsk, Ukraine
- Research and Development University, Ivano-Frankivsk, Ukraine
| | | | - Volodymyr I. Lushchak
- Department of Biochemistry and Biotechnology, Vasyl Stefanyk Precarpathian National University, Ivano-Frankivsk, Ukraine
- Research and Development University, Ivano-Frankivsk, Ukraine
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3
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Lennon S, Lackie T, Miltko A, Kearns ZC, Paquette MR, Bloomer RJ, Wang A, van der Merwe M. Safety and efficacy of a probiotic cocktail containing P. acidilactici and L. plantarum for gastrointestinal discomfort in endurance runners: randomized double-blinded crossover clinical trial. Appl Physiol Nutr Metab 2024; 49:890-903. [PMID: 38427981 DOI: 10.1139/apnm-2023-0449] [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: 03/03/2024]
Abstract
Probiotics are increasingly used to treat conditions associated with gastrointestinal injury and permeability, including exercise-induced gastrointestinal discomfort. This study assessed safety and efficacy of a probiotic in altering the intestinal milieu and mitigating gastrointestinal symptoms (GIS) in endurance runners. In a double blind, crossover study, 16 runners were randomized to 4 weeks of daily supplementation with a probiotic cocktail containing Pediococcus acidilactici bacteria and Lactobacillus plantarum or placebo. Fasting blood and stool samples were collected for measurement of gut permeability markers, immune parameters, and microbiome analyses. Treadmill run tests were performed before and after treatment; participants ran at 65%-70% of VO2max at 27 °C for a maximum of 90 min or until fatigue/GIS developed. A blood sample was collected after the treadmill run test. In healthy individuals, 4 weeks of probiotic supplementation did not alter health parameters, although a marginal reduction in aspartate aminotransferase levels was observed with probiotic treatment only (p = 0.05). GIS, gut permeability-associated parameters (intestinal fatty acid binding protein, lipopolysaccharide binding protein, zonulin, and cytokines), and intestinal microbial content were not altered by the probiotic supplementation. Post-run measurements of GIS and gut-associated parameters did not differ between groups; however, the observed lack of differences is confounded by an absence of measurable functional outcome as GIS was not sufficiently induced during the run. Under the current study conditions, the probiotic was safe to use, and did not affect gut- or immune-associated parameters, or intestinal symptoms in a healthy population. The probiotic might reduce tissue damage, but more studies are warranted.
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Affiliation(s)
- Sarah Lennon
- Center for Nutraceuticals and Dietary Supplement Research, College of Health Sciences, University of Memphis, Memphis, TN, USA
| | - Thomas Lackie
- Center for Nutraceuticals and Dietary Supplement Research, College of Health Sciences, University of Memphis, Memphis, TN, USA
| | - Adriana Miltko
- Center for Nutraceuticals and Dietary Supplement Research, College of Health Sciences, University of Memphis, Memphis, TN, USA
| | - Zoey C Kearns
- Center for Nutraceuticals and Dietary Supplement Research, College of Health Sciences, University of Memphis, Memphis, TN, USA
| | - Maxime R Paquette
- Center for Nutraceuticals and Dietary Supplement Research, College of Health Sciences, University of Memphis, Memphis, TN, USA
| | - Richard J Bloomer
- Center for Nutraceuticals and Dietary Supplement Research, College of Health Sciences, University of Memphis, Memphis, TN, USA
| | - Anyou Wang
- Harry Feinstone Center for Genomic Research, University of Memphis, Memphis, TN 38152, USA
| | - Marie van der Merwe
- Center for Nutraceuticals and Dietary Supplement Research, College of Health Sciences, University of Memphis, Memphis, TN, USA
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Basu A, Adams AN, Degnan PH, Vanderpool CK. Determinants of raffinose family oligosaccharide use in Bacteroides species. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.06.07.597959. [PMID: 38895307 PMCID: PMC11185731 DOI: 10.1101/2024.06.07.597959] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/21/2024]
Abstract
Bacteroides species are successful colonizers of the human gut and can utilize a wide variety of complex polysaccharides and oligosaccharides that are indigestible by the host. To do this, they use enzymes encoded in Polysaccharide Utilization Loci (PULs). While recent work has uncovered the PULs required for use of some polysaccharides, how Bacteroides utilize smaller oligosaccharides is less well studied. Raffinose family oligosaccharides (RFOs) are abundant in plants, especially legumes, and consist of variable units of galactose linked by α-1,6 bonds to a sucrose (glucose α-1-β-2 fructose) moiety. Previous work showed that an α-galactosidase, BT1871, is required for RFO utilization in Bacteroides thetaiotaomicron. Here, we identify two different types of mutations that increase BT1871 mRNA levels and improve B. thetaiotaomicron growth on RFOs. First, a novel spontaneous duplication of BT1872 and BT1871 places these genes under control of a ribosomal promoter, driving high BT1871 transcription. Second, nonsense mutations in a gene encoding the PUL24 anti-sigma factor likewise increase BT1871 transcription. We then show that hydrolases from PUL22 work together with BT1871 to break down the sucrose moiety of RFOs and determine that the master regulator of carbohydrate utilization (BT4338) plays a role in RFO utilization in B. thetaiotaomicron. Examining the genomes of other Bacteroides species, we found homologs of BT1871 in subset and show that representative strains of species containing a BT1871 homolog grew better on melibiose than species that lack a BT1871 homolog. Altogether, our findings shed light on how an important gut commensal utilizes an abundant dietary oligosaccharide.
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Affiliation(s)
- Anubhav Basu
- Department of Microbiology, University of Illinois Urbana-Champaign, Urbana, Illinois, USA
| | - Amanda N.D. Adams
- Department of Microbiology, University of Illinois Urbana-Champaign, Urbana, Illinois, USA
- Department of Immunology and Infectious Diseases, Harvard T.H. Chan School of Public Health, Boston, Massachusetts, USA
| | - Patrick H. Degnan
- Department of Microbiology and Plant Pathology, University of California Riverside, Riverside, California, USA
| | - Carin K. Vanderpool
- Department of Microbiology, University of Illinois Urbana-Champaign, Urbana, Illinois, USA
- Carl R. Woese Institute for Genomic Biology, University of Illinois Urbana-Champaign, Urbana, Illinois, USA
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5
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Cinca-Morros S, Álvarez-Herms J. The Importance of Maintaining and Improving a Healthy Gut Microbiota in Athletes as a Preventive Strategy to Improve Heat Tolerance and Acclimatization. Microorganisms 2024; 12:1160. [PMID: 38930542 PMCID: PMC11205789 DOI: 10.3390/microorganisms12061160] [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: 04/17/2024] [Revised: 06/04/2024] [Accepted: 06/05/2024] [Indexed: 06/28/2024] Open
Abstract
Exposure to passive heat (acclimation) and exercise under hot conditions (acclimatization), known as heat acclimation (HA), are methods that athletes include in their routines to promote faster recovery and enhance physiological adaptations and performance under hot conditions. Despite the potential positive effects of HA on health and physical performance in the heat, these stimuli can negatively affect gut health, impairing its functionality and contributing to gut dysbiosis. Blood redistribution to active muscles and peripheral vascularization exist during exercise and HA stimulus, promoting intestinal ischemia. Gastrointestinal ischemia can impair intestinal permeability and aggravate systemic endotoxemia in athletes during exercise. Systemic endotoxemia elevates the immune system as an inflammatory responses in athletes, impairing their adaptive capacity to exercise and their HA tolerance. Better gut microbiota health could benefit exercise performance and heat tolerance in athletes. This article suggests that: (1) the intestinal modifications induced by heat stress (HS), leading to dysbiosis and altered intestinal permeability in athletes, can decrease health, and (2) a previously acquired microbial dysbiosis and/or leaky gut condition in the athlete can negatively exacerbate the systemic effects of HA. Maintaining or improving the healthy gut microbiota in athletes can positively regulate the intestinal permeability, reduce endotoxemic levels, and control the systemic inflammatory response. In conclusion, strategies based on positive daily habits (nutrition, probiotics, hydration, chronoregulation, etc.) and preventing microbial dysbiosis can minimize the potentially undesired effects of applying HA, favoring thermotolerance and performance enhancement in athletes.
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Affiliation(s)
- Sergi Cinca-Morros
- Microfluidics Cluster UPV/EHU, Analytical Microsystems & Materials for Lab-on-a-Chip (AMMa-LOAC) Group, Analytical Chemistry Department, University of the Basque Country UPV/EHU, 01006 Vitoria-Gasteiz, Spain
- Microfluidics Cluster UPV/EHU, BIOMICs Microfluidics Group, Lascaray Research Center, University of the Basque Country UPV/EHU, 01006 Vitoria-Gasteiz, Spain
| | - Jesús Álvarez-Herms
- Physiology and Molecular Laboratory (Phymolab), 40170 Collado Hermoso, Spain;
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Deyang T, Baig MAI, Dolkar P, Hediyal TA, Rathipriya AG, Bhaskaran M, PandiPerumal SR, Monaghan TM, Mahalakshmi AM, Chidambaram SB. Sleep apnoea, gut dysbiosis and cognitive dysfunction. FEBS J 2024; 291:2519-2544. [PMID: 37712936 DOI: 10.1111/febs.16960] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2023] [Revised: 08/14/2023] [Accepted: 09/13/2023] [Indexed: 09/16/2023]
Abstract
Sleep disorders are becoming increasingly common, and their distinct effects on physical and mental health require elaborate investigation. Gut dysbiosis (GD) has been reported in sleep-related disorders, but sleep apnoea is of particular significance because of its higher prevalence and chronicity. Cumulative evidence has suggested a link between sleep apnoea and GD. This review highlights the gut-brain communication axis that is mediated via commensal microbes and various microbiota-derived metabolites (e.g. short-chain fatty acids, lipopolysaccharide and trimethyl amine N-oxide), neurotransmitters (e.g. γ-aminobutyric acid, serotonin, glutamate and dopamine), immune cells and inflammatory mediators, as well as the vagus nerve and hypothalamic-pituitary-adrenal axis. This review also discusses the pathological role underpinning GD and altered gut bacterial populations in sleep apnoea and its related comorbid conditions, particularly cognitive dysfunction. In addition, the review examines the preclinical and clinical evidence, which suggests that prebiotics and probiotics may potentially be beneficial in sleep apnoea and its comorbidities through restoration of eubiosis or gut microbial homeostasis that regulates neural, metabolic and immune responses, as well as physiological barrier integrity via the gut-brain axis.
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Affiliation(s)
- Tenzin Deyang
- Department of Pharmacology, JSS College of Pharmacy, JSS Academy of Higher Education & Research, Mysuru, India
| | - Md Awaise Iqbal Baig
- Department of Pharmacology, JSS College of Pharmacy, JSS Academy of Higher Education & Research, Mysuru, India
| | - Phurbu Dolkar
- Department of Pharmacology, JSS College of Pharmacy, JSS Academy of Higher Education & Research, Mysuru, India
| | - Tousif Ahmed Hediyal
- Department of Pharmacology, JSS College of Pharmacy, JSS Academy of Higher Education & Research, Mysuru, India
- Centre for Experimental Pharmacology and Toxicology, Central Animal Facility, JSS Academy of Higher Education & Research, Mysuru, India
| | | | - Mahendran Bhaskaran
- College of Pharmacy and Pharmaceutical Sciences, Frederic and Mary Wolf Center, University of Toledo Health Science Campus, OH, USA
| | - Seithikuruppu R PandiPerumal
- Saveetha Medical College and Hospitals, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, India
- Division of Research and Development, Lovely Professional University, Phagwara, India
| | - Tanya M Monaghan
- National Institute for Health Research Nottingham Biomedical Research Centre, University of Nottingham, UK
- Nottingham Digestive Diseases Centre, School of Medicine, University of Nottingham, UK
| | - Arehally M Mahalakshmi
- Department of Pharmacology, JSS College of Pharmacy, JSS Academy of Higher Education & Research, Mysuru, India
- Centre for Experimental Pharmacology and Toxicology, Central Animal Facility, JSS Academy of Higher Education & Research, Mysuru, India
- SIG-Brain, Behaviour and Cognitive Neurosciences Research (BBRC), JSS Academy of Higher Education & Research, Mysuru, India
| | - Saravana Babu Chidambaram
- Department of Pharmacology, JSS College of Pharmacy, JSS Academy of Higher Education & Research, Mysuru, India
- Centre for Experimental Pharmacology and Toxicology, Central Animal Facility, JSS Academy of Higher Education & Research, Mysuru, India
- SIG-Brain, Behaviour and Cognitive Neurosciences Research (BBRC), JSS Academy of Higher Education & Research, Mysuru, India
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7
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Majumder A, Bano S. How the Western Diet Thwarts the Epigenetic Efforts of Gut Microbes in Ulcerative Colitis and Its Association with Colorectal Cancer. Biomolecules 2024; 14:633. [PMID: 38927037 PMCID: PMC11201633 DOI: 10.3390/biom14060633] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2024] [Revised: 05/24/2024] [Accepted: 05/27/2024] [Indexed: 06/28/2024] Open
Abstract
Ulcerative colitis (UC) is an autoimmune disease in which the immune system attacks the colon, leading to ulcer development, loss of colon function, and bloody diarrhea. The human gut ecosystem consists of almost 2000 different species of bacteria, forming a bioreactor fueled by dietary micronutrients to produce bioreactive compounds, which are absorbed by our body and signal to distant organs. Studies have shown that the Western diet, with fewer short-chain fatty acids (SCFAs), can alter the gut microbiome composition and cause the host's epigenetic reprogramming. Additionally, overproduction of H2S from the gut microbiome due to changes in diet patterns can further activate pro-inflammatory signaling pathways in UC. This review discusses how the Western diet affects the microbiome's function and alters the host's physiological homeostasis and susceptibility to UC. This article also covers the epidemiology, prognosis, pathophysiology, and current treatment strategies for UC, and how they are linked to colorectal cancer.
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Affiliation(s)
- Avisek Majumder
- Department of Medicine, University of California, San Francisco, CA 94158, USA
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Hassan A, Luqman A, Zhang K, Ullah M, Din AU, Xiaoling L, Wang G. Impact of Probiotic Lactiplantibacillus plantarum ATCC 14917 on atherosclerotic plaque and its mechanism. World J Microbiol Biotechnol 2024; 40:198. [PMID: 38727952 DOI: 10.1007/s11274-024-04010-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2023] [Accepted: 04/29/2024] [Indexed: 06/22/2024]
Abstract
Atherosclerosis is viewed as not just as a problem of lipid build-up in blood vessels, but also as a chronic inflammatory disease involving both innate and acquired immunity. In atherosclerosis, the inflammation of the arterial walls is the key characteristic that significantly contributes to both the instability of plaque and the occlusion of arteries by blood clots. These events ultimately lead to stroke and acute coronary syndrome. Probiotics are living microorganisms that, when consumed in the right quantities, offer advantages for one's health. The primary objective of this study was to investigate the influence of Lactiplantibacillus plantarum ATCC 14917 (ATCC 14917) on the development of atherosclerotic plaques and its underlying mechanism in Apo lipoprotein E-knockout (Apoe-/- mice). In this study, Apoe-/- mice at approximately 8 weeks of age were randomly assigned to three groups: a Normal group that received a normal chow diet, a high fat diet group that received a gavage of PBS, and a Lactiplantibacillus plantarum ATCC 14917 group that received a high fat diet and a gavage of 0.2 ml ATCC 14917 (2 × 109 CFU/mL) per day for a duration of 12 weeks. Our strain effectively reduced the size of plaques in Apoe-/- mice by regulating the expression of inflammatory markers, immune cell markers, chemokines/chemokine receptors, and tight junction proteins (TJPs). Specifically, it decreased the levels of inflammatory markers (ICAM-1, CD-60 MCP-1, F4/80, ICAM-1, and VCAM-1) in the thoracic aorta, (Ccr7, cd11c, cd4, cd80, IL-1β, TNF-α) in the colon, and increased the activity of ROS-scavenging enzymes (SOD-1 and SOD-2). It also influenced the expression of TJPs (occludin, ZO-1, claudin-3, and MUC-3). In addition, the treatment of ATCC 14917 significantly reduced the level of lipopolysaccharide in the mesenteric adipose tissue. The findings of our study demonstrated that our strain effectively decreased the size of atherosclerotic plaques by modulating inflammation, oxidative stress, intestinal integrity, and intestinal immunity.
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Affiliation(s)
- Adil Hassan
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants, Bioengineering College of Chongqing University, Chongqing, 400030, China
- Chongqing Key Laboratory of Nano/Micro Composite Materials and Devices, Chongqing University of Science and Technology, Chongqing, China
| | - Ameer Luqman
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants, Bioengineering College of Chongqing University, Chongqing, 400030, China
| | - Kun Zhang
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants, Bioengineering College of Chongqing University, Chongqing, 400030, China
| | - Mehtab Ullah
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants, Bioengineering College of Chongqing University, Chongqing, 400030, China
| | - Ahmad Ud Din
- Plants for Human Health Institute, Department of Food, Bioprocessing and Nutrition Sciences, North Carolina State University, Kannapolis, NC, USA
| | - Liao Xiaoling
- Chongqing Key Laboratory of Nano/Micro Composite Materials and Devices, Chongqing University of Science and Technology, Chongqing, China.
| | - Guixue Wang
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants, Bioengineering College of Chongqing University, Chongqing, 400030, China.
- JinFeng Laboratory, Chongqing, 401329, China.
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Hu X, Yuan X, Zhang G, Song H, Ji P, Guo Y, Liu Z, Tian Y, Shen R, Wang D. The intestinal epithelial-macrophage-crypt stem cell axis plays a crucial role in regulating and maintaining intestinal homeostasis. Life Sci 2024; 344:122452. [PMID: 38462226 DOI: 10.1016/j.lfs.2024.122452] [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: 11/23/2023] [Revised: 01/18/2024] [Accepted: 01/18/2024] [Indexed: 03/12/2024]
Abstract
The intestinal tract plays a vital role in both digestion and immunity, making its equilibrium crucial for overall health. This equilibrium relies on the dynamic interplay among intestinal epithelial cells, macrophages, and crypt stem cells. Intestinal epithelial cells play a pivotal role in protecting and regulating the gut. They form vital barriers, modulate immune responses, and engage in pathogen defense and cytokine secretion. Moreover, they supervise the regulation of intestinal stem cells. Macrophages, serving as immune cells, actively influence the immune response through the phagocytosis of pathogens and the release of cytokines. They also contribute to regulating intestinal stem cells. Stem cells, known for their self-renewal and differentiation abilities, play a vital role in repairing damaged intestinal epithelium and maintaining homeostasis. Although research has primarily concentrated on the connections between epithelial and stem cells, interactions with macrophages have been less explored. This review aims to fill this gap by exploring the roles of the intestinal epithelial-macrophage-crypt stem cell axis in maintaining intestinal balance. It seeks to unravel the intricate dynamics and regulatory mechanisms among these essential players. A comprehensive understanding of these cell types' functions and interactions promises insights into intestinal homeostasis regulation. Moreover, it holds potential for innovative approaches to manage conditions like radiation-induced intestinal injury, inflammatory bowel disease, and related diseases.
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Affiliation(s)
- Xiaohui Hu
- School of Basic Medical Sciences, Lanzhou University, Lanzhou, Gansu Province 73000, China.
| | - Xinyi Yuan
- School of Basic Medical Sciences, Lanzhou University, Lanzhou, Gansu Province 73000, China.
| | - Guokun Zhang
- School of Basic Medical Sciences, Lanzhou University, Lanzhou, Gansu Province 73000, China.
| | - Haoyun Song
- School of Basic Medical Sciences, Lanzhou University, Lanzhou, Gansu Province 73000, China.
| | - Pengfei Ji
- School of Basic Medical Sciences, Lanzhou University, Lanzhou, Gansu Province 73000, China.
| | - Yanan Guo
- School of Basic Medical Sciences, Lanzhou University, Lanzhou, Gansu Province 73000, China.
| | - Zihua Liu
- Lanzhou University Second Hospital, Lanzhou University, Lanzhou, Gansu Province 73000, China
| | - Yixiao Tian
- School of Basic Medical Sciences, Lanzhou University, Lanzhou, Gansu Province 73000, China.
| | - Rong Shen
- School of Basic Medical Sciences, Lanzhou University, Lanzhou, Gansu Province 73000, China.
| | - Degui Wang
- School of Basic Medical Sciences, Lanzhou University, Lanzhou, Gansu Province 73000, China; NHC Key Laboratory of Diagnosis and Therapy of Gastrointestinal Tumor, Lanzhou, Gansu Province 730000, China.
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10
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Tanaka Y, Inaba C, Sawa T, Endo K, Saiki T, Haga H, Niitsuma F, Kawahara T, Watanabe J, Tanaka S. Heat-killed Lactiplantibacillus plantarum Shinshu N-07 exerts antiobesity effects in western diet-induced obese mice. J Appl Microbiol 2024; 135:lxae119. [PMID: 38740521 DOI: 10.1093/jambio/lxae119] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2023] [Revised: 03/19/2024] [Accepted: 05/12/2024] [Indexed: 05/16/2024]
Abstract
AIMS The aim of this study was to evaluate the antiobesity effects of heat-killed Lactiplantibacillus plantarum Shinshu N-07 (N-07) isolated from fermented Brassica rapa L. METHODS AND RESULTS Male mice were divided into three groups (n = 10/group); normal diet, western diet (WD), or WD + N-07 (N-07) group and administered each diet for 56 days. The N-07 group showed significant suppression of body weight gain and epididymal fat, perirenal fat, and liver weights compared with the WD group. Higher levels of fecal total cholesterol, triglyceride (TG), and free fatty acid (FFA) were observed in the N-07 group than in the WD group. The mRNA expression of the cholesterol transporter ATP-binding cassette transporter G5 (ABCG5) was significantly increased in the small intestine of N-07-fed mice compared with WD-fed mice. Moreover, N-07 supplementation significantly increased the mRNA expression of ABCG5 and ABCG8 in Caco-2 cells. Furthermore, the TG- and FFA-removal ability of N-07 was confirmed to evaluate its soybean oil- and oleic acid-binding capacities in in vitro experiments. CONCLUSIONS The antiobesity effects of N-07 might be due to its ability to promote lipid excretion by regulating cholesterol transporter expression and lipid-binding ability.
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MESH Headings
- Animals
- Male
- Mice
- Obesity/metabolism
- Diet, Western
- Humans
- ATP Binding Cassette Transporter, Subfamily G, Member 5/genetics
- ATP Binding Cassette Transporter, Subfamily G, Member 5/metabolism
- Anti-Obesity Agents/pharmacology
- Lactobacillus plantarum
- Mice, Obese
- ATP Binding Cassette Transporter, Subfamily G, Member 8/genetics
- ATP Binding Cassette Transporter, Subfamily G, Member 8/metabolism
- Cholesterol/metabolism
- Probiotics
- Caco-2 Cells
- Brassica rapa/chemistry
- Hot Temperature
- Lipoproteins/metabolism
- Triglycerides/metabolism
- Liver/metabolism
- Mice, Inbred C57BL
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Affiliation(s)
- Yuna Tanaka
- Division of Food Science and Biotechnology, Department of Agriculture, Graduate School of Science and Technology, Shinshu University, Minami-minowa, Kami-ina, Nagano 399-4598, Japan
| | - Chihiro Inaba
- Division of Food Science and Biotechnology, Department of Agriculture, Graduate School of Science and Technology, Shinshu University, Minami-minowa, Kami-ina, Nagano 399-4598, Japan
| | - Toko Sawa
- Division of Food Science and Biotechnology, Department of Agriculture, Graduate School of Science and Technology, Shinshu University, Minami-minowa, Kami-ina, Nagano 399-4598, Japan
| | - Katsunori Endo
- Division of Food Science and Biotechnology, Department of Science and Technology, Graduate School of Medicine, Science and Technology, Shinshu University, Minami-minowa, Kami-ina, Nagano 399-4598, Japan
| | - Takeru Saiki
- Division of Food Science and Biotechnology, Department of Agriculture, Graduate School of Science and Technology, Shinshu University, Minami-minowa, Kami-ina, Nagano 399-4598, Japan
| | - Hazuki Haga
- Division of Food Science and Biotechnology, Department of Agriculture, Graduate School of Science and Technology, Shinshu University, Minami-minowa, Kami-ina, Nagano 399-4598, Japan
| | - Fumie Niitsuma
- Division of Food Science and Biotechnology, Department of Agriculture, Graduate School of Science and Technology, Shinshu University, Minami-minowa, Kami-ina, Nagano 399-4598, Japan
| | - Takeshi Kawahara
- Division of Food Science and Biotechnology, Department of Agriculture, Graduate School of Science and Technology, Shinshu University, Minami-minowa, Kami-ina, Nagano 399-4598, Japan
- Division of Food Science and Biotechnology, Department of Science and Technology, Graduate School of Medicine, Science and Technology, Shinshu University, Minami-minowa, Kami-ina, Nagano 399-4598, Japan
| | - Jun Watanabe
- Department of Life and Food Sciences, Obihiro University of Agriculture and Veterinary Medicine, Obihiro 080-8555, Japan
| | - Sachi Tanaka
- Division of Food Science and Biotechnology, Department of Agriculture, Graduate School of Science and Technology, Shinshu University, Minami-minowa, Kami-ina, Nagano 399-4598, Japan
- Division of Food Science and Biotechnology, Department of Science and Technology, Graduate School of Medicine, Science and Technology, Shinshu University, Minami-minowa, Kami-ina, Nagano 399-4598, Japan
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11
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Zhang Y, Anderson RC, You C, Purba A, Yan M, Maclean P, Liu Z, Ulluwishewa D. Lactiplantibacillus plantarum ST-III and Lacticaseibacillus rhamnosus KF7 Enhance the Intestinal Epithelial Barrier in a Dual-Environment In Vitro Co-Culture Model. Microorganisms 2024; 12:873. [PMID: 38792703 PMCID: PMC11124027 DOI: 10.3390/microorganisms12050873] [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: 03/22/2024] [Revised: 04/23/2024] [Accepted: 04/25/2024] [Indexed: 05/26/2024] Open
Abstract
Intestinal barrier hyperpermeability, which is characterised by impaired tight junction proteins, is associated with a variety of gastrointestinal and systemic diseases. Therefore, maintaining intestinal barrier integrity is considered one of the effective strategies to reduce the risk of such disorders. This study aims to investigate the potential benefits of two probiotic strains (Lactiplantibacillus plantarum ST-III and Lacticaseibacillus rhamnosus KF7) on intestinal barrier function by using a physiologically relevant in vitro model of the intestinal epithelium. Our results demonstrate that both strains increased transepithelial electrical resistance, a measure of intestinal barrier integrity. Immunolocalisation studies indicated that this improvement in barrier function was not due to changes in the co-localisation of the tight junction (TJ) proteins ZO-1 and occludin. However, we observed several modifications in TJ-related genes in response to the probiotics, including the upregulation of transmembrane and cytosolic TJ proteins, as well as TJ signalling proteins. Gene expression modulation was strain- and time-dependent, with a greater number of differentially expressed genes and higher fold-change being observed in the L. plantarum ST-III group and at the latter timepoint. Further studies to investigate how the observed gene expression changes can lead to enhanced barrier function will aid in the development of probiotic foods to help improve intestinal barrier function.
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Affiliation(s)
- Yilin Zhang
- State Key Laboratory of Dairy Biotechnology, Shanghai Engineering Research Center of Dairy Biotechnology, Dairy Research Institute, Bright Dairy & Food Co., Ltd., Shanghai 200436, China; (Y.Z.); (C.Y.); (M.Y.)
| | - Rachel C. Anderson
- AgResearch, Te Ohu Rangahau Kai, Palmerston North 4410, New Zealand; (R.C.A.); (A.P.)
| | - Chunping You
- State Key Laboratory of Dairy Biotechnology, Shanghai Engineering Research Center of Dairy Biotechnology, Dairy Research Institute, Bright Dairy & Food Co., Ltd., Shanghai 200436, China; (Y.Z.); (C.Y.); (M.Y.)
| | - Ajitpal Purba
- AgResearch, Te Ohu Rangahau Kai, Palmerston North 4410, New Zealand; (R.C.A.); (A.P.)
| | - Minghui Yan
- State Key Laboratory of Dairy Biotechnology, Shanghai Engineering Research Center of Dairy Biotechnology, Dairy Research Institute, Bright Dairy & Food Co., Ltd., Shanghai 200436, China; (Y.Z.); (C.Y.); (M.Y.)
| | - Paul Maclean
- AgResearch, Grasslands Research Centre, Palmerston North 4410, New Zealand;
| | - Zhenmin Liu
- State Key Laboratory of Dairy Biotechnology, Shanghai Engineering Research Center of Dairy Biotechnology, Dairy Research Institute, Bright Dairy & Food Co., Ltd., Shanghai 200436, China; (Y.Z.); (C.Y.); (M.Y.)
| | - Dulantha Ulluwishewa
- AgResearch, Te Ohu Rangahau Kai, Palmerston North 4410, New Zealand; (R.C.A.); (A.P.)
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12
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Santonocito R, Paladino L, Vitale AM, D’Amico G, Zummo FP, Pirrotta P, Raccosta S, Manno M, Accomando S, D’Arpa F, Carini F, Barone R, Rappa F, Marino Gammazza A, Bucchieri F, Cappello F, Caruso Bavisotto C. Nanovesicular Mediation of the Gut-Brain Axis by Probiotics: Insights into Irritable Bowel Syndrome. BIOLOGY 2024; 13:296. [PMID: 38785778 PMCID: PMC11117693 DOI: 10.3390/biology13050296] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/28/2024] [Revised: 04/15/2024] [Accepted: 04/23/2024] [Indexed: 05/25/2024]
Abstract
BACKGROUND Dysbiosis, influenced by poor diet or stress, is associated with various systemic diseases. Probiotic supplements are recognized for stabilizing gut microbiota and alleviating gastrointestinal issues, like irritable bowel syndrome (IBS). This study focused on the tryptophan pathways, which are important for the regulation of serotonin levels, and on host physiology and behavior regulation. METHODS Nanovesicles were isolated from the plasma of subjects with chronic diarrhea, both before and after 60 days of consuming a probiotic mix (Acronelle®, Bromatech S.r.l., Milan, Italy). These nanovesicles were assessed for the presence of Tryptophan 2,3-dioxygenase 2 (TDO 2). Furthermore, the probiotics mix, in combination with H2O2, was used to treat HT29 cells to explore its cytoprotective and anti-stress effect. RESULTS In vivo, levels of TDO 2 in nanovesicles were enhanced in the blood after probiotic treatment, suggesting a role in the gut-brain axis. In the in vitro model, a typical H2O2-induced stress effect occurred, which the probiotics mix was able to recover, showing a cytoprotective effect. The probiotics mix treatment significantly reduced the heat shock protein 60 kDa levels and was able to preserve intestinal integrity and barrier function by restoring the expression and redistribution of tight junction proteins. Moreover, the probiotics mix increased the expression of TDO 2 and serotonin receptors. CONCLUSIONS This study provides evidence for the gut-brain axis mediation by nanovesicles, influencing central nervous system function.
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Affiliation(s)
- Radha Santonocito
- Section of Human Anatomy, Department of Biomedicine, Neuroscience and Advanced Diagnostics (BIND), University of Palermo, 90127 Palermo, Italy; (R.S.); (L.P.); (A.M.V.); (G.D.); (F.P.Z.); (F.C.); (R.B.); (F.R.); (A.M.G.); (F.B.); or (F.C.)
| | - Letizia Paladino
- Section of Human Anatomy, Department of Biomedicine, Neuroscience and Advanced Diagnostics (BIND), University of Palermo, 90127 Palermo, Italy; (R.S.); (L.P.); (A.M.V.); (G.D.); (F.P.Z.); (F.C.); (R.B.); (F.R.); (A.M.G.); (F.B.); or (F.C.)
| | - Alessandra Maria Vitale
- Section of Human Anatomy, Department of Biomedicine, Neuroscience and Advanced Diagnostics (BIND), University of Palermo, 90127 Palermo, Italy; (R.S.); (L.P.); (A.M.V.); (G.D.); (F.P.Z.); (F.C.); (R.B.); (F.R.); (A.M.G.); (F.B.); or (F.C.)
| | - Giuseppa D’Amico
- Section of Human Anatomy, Department of Biomedicine, Neuroscience and Advanced Diagnostics (BIND), University of Palermo, 90127 Palermo, Italy; (R.S.); (L.P.); (A.M.V.); (G.D.); (F.P.Z.); (F.C.); (R.B.); (F.R.); (A.M.G.); (F.B.); or (F.C.)
| | - Francesco Paolo Zummo
- Section of Human Anatomy, Department of Biomedicine, Neuroscience and Advanced Diagnostics (BIND), University of Palermo, 90127 Palermo, Italy; (R.S.); (L.P.); (A.M.V.); (G.D.); (F.P.Z.); (F.C.); (R.B.); (F.R.); (A.M.G.); (F.B.); or (F.C.)
| | - Paolo Pirrotta
- Euro-Mediterranean Institute of Science and Technology (IEMEST), 90139 Palermo, Italy;
| | - Samuele Raccosta
- Cell-Tech Hub, Institute of Biophysics, National Research Council of Italy, 90146 Palermo, Italy; (S.R.); (M.M.)
| | - Mauro Manno
- Cell-Tech Hub, Institute of Biophysics, National Research Council of Italy, 90146 Palermo, Italy; (S.R.); (M.M.)
| | - Salvatore Accomando
- Department of Health Promotion, Mother and Childcare, Internal Medicine and Medical Specialities “G D‘Alessandro”, PROMISE, University of Palermo, 90127 Palermo, Italy;
| | - Francesco D’Arpa
- Department of Surgical, Oncological and Stomatological Disciplines, DICHIRONS, University of Palermo, 90127 Palermo, Italy;
| | - Francesco Carini
- Section of Human Anatomy, Department of Biomedicine, Neuroscience and Advanced Diagnostics (BIND), University of Palermo, 90127 Palermo, Italy; (R.S.); (L.P.); (A.M.V.); (G.D.); (F.P.Z.); (F.C.); (R.B.); (F.R.); (A.M.G.); (F.B.); or (F.C.)
| | - Rosario Barone
- Section of Human Anatomy, Department of Biomedicine, Neuroscience and Advanced Diagnostics (BIND), University of Palermo, 90127 Palermo, Italy; (R.S.); (L.P.); (A.M.V.); (G.D.); (F.P.Z.); (F.C.); (R.B.); (F.R.); (A.M.G.); (F.B.); or (F.C.)
| | - Francesca Rappa
- Section of Human Anatomy, Department of Biomedicine, Neuroscience and Advanced Diagnostics (BIND), University of Palermo, 90127 Palermo, Italy; (R.S.); (L.P.); (A.M.V.); (G.D.); (F.P.Z.); (F.C.); (R.B.); (F.R.); (A.M.G.); (F.B.); or (F.C.)
| | - Antonella Marino Gammazza
- Section of Human Anatomy, Department of Biomedicine, Neuroscience and Advanced Diagnostics (BIND), University of Palermo, 90127 Palermo, Italy; (R.S.); (L.P.); (A.M.V.); (G.D.); (F.P.Z.); (F.C.); (R.B.); (F.R.); (A.M.G.); (F.B.); or (F.C.)
| | - Fabio Bucchieri
- Section of Human Anatomy, Department of Biomedicine, Neuroscience and Advanced Diagnostics (BIND), University of Palermo, 90127 Palermo, Italy; (R.S.); (L.P.); (A.M.V.); (G.D.); (F.P.Z.); (F.C.); (R.B.); (F.R.); (A.M.G.); (F.B.); or (F.C.)
| | - Francesco Cappello
- Section of Human Anatomy, Department of Biomedicine, Neuroscience and Advanced Diagnostics (BIND), University of Palermo, 90127 Palermo, Italy; (R.S.); (L.P.); (A.M.V.); (G.D.); (F.P.Z.); (F.C.); (R.B.); (F.R.); (A.M.G.); (F.B.); or (F.C.)
- Euro-Mediterranean Institute of Science and Technology (IEMEST), 90139 Palermo, Italy;
| | - Celeste Caruso Bavisotto
- Section of Human Anatomy, Department of Biomedicine, Neuroscience and Advanced Diagnostics (BIND), University of Palermo, 90127 Palermo, Italy; (R.S.); (L.P.); (A.M.V.); (G.D.); (F.P.Z.); (F.C.); (R.B.); (F.R.); (A.M.G.); (F.B.); or (F.C.)
- Euro-Mediterranean Institute of Science and Technology (IEMEST), 90139 Palermo, Italy;
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13
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Suntornsaratoon P, Antonio JM, Flores J, Upadhyay R, Veltri J, Bandyopadhyay S, Dadala R, Kim M, Liu Y, Balasubramanian I, Turner JR, Su X, Li WV, Gao N, Ferraris RP. Lactobacillus rhamnosus GG Stimulates Dietary Tryptophan-Dependent Production of Barrier-Protecting Methylnicotinamide. Cell Mol Gastroenterol Hepatol 2024; 18:101346. [PMID: 38641207 PMCID: PMC11193042 DOI: 10.1016/j.jcmgh.2024.04.003] [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: 02/01/2024] [Revised: 04/10/2024] [Accepted: 04/11/2024] [Indexed: 04/21/2024]
Abstract
BACKGROUND & AIMS Lacticaseibacillus rhamnosus GG (LGG) is the world's most consumed probiotic but its mechanism of action on intestinal permeability and differentiation along with its interactions with an essential source of signaling metabolites, dietary tryptophan (trp), are unclear. METHODS Untargeted metabolomic and transcriptomic analyses were performed in LGG monocolonized germ-free mice fed trp-free or -sufficient diets. LGG-derived metabolites were profiled in vitro under anaerobic and aerobic conditions. Multiomic correlations using a newly developed algorithm discovered novel metabolites tightly linked to tight junction and cell differentiation genes whose abundances were regulated by LGG and dietary trp. Barrier-modulation by these metabolites were functionally tested in Caco2 cells, mouse enteroids, and dextran sulfate sodium experimental colitis. The contribution of these metabolites to barrier protection is delineated at specific tight junction proteins and enterocyte-promoting factors with gain and loss of function approaches. RESULTS LGG, strictly with dietary trp, promotes the enterocyte program and expression of tight junction genes, particularly Ocln. Functional evaluations of fecal and serum metabolites synergistically stimulated by LGG and trp revealed a novel vitamin B3 metabolism pathway, with methylnicotinamide (MNA) unexpectedly being the most robust barrier-protective metabolite in vitro and in vivo. Reduced serum MNA is significantly associated with increased disease activity in patients with inflammatory bowel disease. Exogenous MNA enhances gut barrier in homeostasis and robustly promotes colonic healing in dextran sulfate sodium colitis. MNA is sufficient to promote intestinal epithelial Ocln and RNF43, a master inhibitor of Wnt. Blocking trp or vitamin B3 absorption abolishes barrier recovery in vivo. CONCLUSIONS Our study uncovers a novel LGG-regulated dietary trp-dependent production of MNA that protects the gut barrier against colitis.
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Affiliation(s)
- Panan Suntornsaratoon
- Department of Pharmacology, Physiology and Neurosciences, New Jersey Medical School, Rutgers University, Newark, New Jersey; Department of Physiology, Faculty of Science, Mahidol University, Bangkok, Thailand
| | - Jayson M Antonio
- Department of Pharmacology, Physiology and Neurosciences, New Jersey Medical School, Rutgers University, Newark, New Jersey
| | - Juan Flores
- Department of Biological Sciences, Rutgers University, Newark, New Jersey
| | - Ravij Upadhyay
- Department of Pharmacology, Physiology and Neurosciences, New Jersey Medical School, Rutgers University, Newark, New Jersey
| | - John Veltri
- Department of Pharmacology, Physiology and Neurosciences, New Jersey Medical School, Rutgers University, Newark, New Jersey
| | | | - Rhema Dadala
- Department of Pharmacology, Physiology and Neurosciences, New Jersey Medical School, Rutgers University, Newark, New Jersey
| | - Michael Kim
- Department of Pharmacology, Physiology and Neurosciences, New Jersey Medical School, Rutgers University, Newark, New Jersey
| | - Yue Liu
- Department of Biological Sciences, Rutgers University, Newark, New Jersey
| | | | - Jerrold R Turner
- Laboratory of Mucosal Barrier Pathobiology, Department of Pathology, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts
| | - Xiaoyang Su
- Department of Medicine, Robert Wood Johnson Medical School, Rutgers University, New Brunswick, New Jersey
| | - Wei Vivian Li
- Department of Statistics, University of California, Riverside, Riverside, California
| | - Nan Gao
- Department of Pharmacology, Physiology and Neurosciences, New Jersey Medical School, Rutgers University, Newark, New Jersey; Department of Biological Sciences, Rutgers University, Newark, New Jersey.
| | - Ronaldo P Ferraris
- Department of Pharmacology, Physiology and Neurosciences, New Jersey Medical School, Rutgers University, Newark, New Jersey.
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14
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Li B, Zhang X, Zhang Q, Zheng T, Li Q, Yang S, Shao J, Guan W, Zhang S. Nutritional strategies to reduce intestinal cell apoptosis by alleviating oxidative stress. Nutr Rev 2024:nuae023. [PMID: 38626282 DOI: 10.1093/nutrit/nuae023] [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] [Indexed: 04/18/2024] Open
Abstract
The gut barrier is the first line of defense against harmful substances and pathogens in the intestinal tract. The balance of proliferation and apoptosis of intestinal epithelial cells (IECs) is crucial for maintaining the integrity of the intestinal mucosa and its function. However, oxidative stress and inflammation can cause DNA damage and abnormal apoptosis of the IECs, leading to the disruption of the intestinal epithelial barrier. This, in turn, can directly or indirectly cause various acute and chronic intestinal diseases. In recent years, there has been a growing understanding of the vital role of dietary ingredients in gut health. Studies have shown that certain amino acids, fibers, vitamins, and polyphenols in the diet can protect IECs from excessive apoptosis caused by oxidative stress, and limit intestinal inflammation. This review aims to describe the molecular mechanism of apoptosis and its relationship with intestinal function, and to discuss the modulation of IECs' physiological function, the intestinal epithelial barrier, and gut health by various nutrients. The findings of this review may provide a theoretical basis for the use of nutritional interventions in clinical intestinal disease research and animal production, ultimately leading to improved human and animal intestinal health.
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Affiliation(s)
- Baofeng Li
- Guangdong Province Key Laboratory of Animal Nutrition Control, College of Animal Science, South China Agricultural University, Guangzhou, China
| | - Xiaoli Zhang
- Guangdong Province Key Laboratory of Animal Nutrition Control, College of Animal Science, South China Agricultural University, Guangzhou, China
| | - Qianzi Zhang
- Guangdong Province Key Laboratory of Animal Nutrition Control, College of Animal Science, South China Agricultural University, Guangzhou, China
| | - Tenghui Zheng
- Guangdong Province Key Laboratory of Animal Nutrition Control, College of Animal Science, South China Agricultural University, Guangzhou, China
| | - Qihui Li
- Guangdong Province Key Laboratory of Animal Nutrition Control, College of Animal Science, South China Agricultural University, Guangzhou, China
| | - Siwang Yang
- Guangdong Province Key Laboratory of Animal Nutrition Control, College of Animal Science, South China Agricultural University, Guangzhou, China
| | - Jiayuan Shao
- Guangdong Province Key Laboratory of Animal Nutrition Control, College of Animal Science, South China Agricultural University, Guangzhou, China
| | - Wutai Guan
- Guangdong Province Key Laboratory of Animal Nutrition Control, College of Animal Science, South China Agricultural University, Guangzhou, China
| | - Shihai Zhang
- Guangdong Province Key Laboratory of Animal Nutrition Control, College of Animal Science, South China Agricultural University, Guangzhou, China
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15
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Braga JD, Thongngam M, Kumrungsee T. Gamma-aminobutyric acid as a potential postbiotic mediator in the gut-brain axis. NPJ Sci Food 2024; 8:16. [PMID: 38565567 PMCID: PMC10987602 DOI: 10.1038/s41538-024-00253-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2023] [Accepted: 02/01/2024] [Indexed: 04/04/2024] Open
Abstract
Gamma-aminobutyric acid (GABA) plays a crucial role in the central nervous system as an inhibitory neurotransmitter. Imbalances of this neurotransmitter are associated with neurological diseases, such as Alzheimer's and Parkinson's disease, and psychological disorders, including anxiety, depression, and stress. Since GABA has long been believed to not cross the blood-brain barrier, the effects of circulating GABA on the brain are neglected. However, emerging evidence has demonstrated that changes in both circulating and brain levels of GABA are associated with changes in gut microbiota composition and that changes in GABA levels and microbiota composition play a role in modulating mental health. This recent research has raised the possibility that GABA may be a potent mediator of the gut-brain axis. This review article will cover up-to-date information about GABA-producing microorganisms isolated from human gut and food sources, explanation why those microorganisms produce GABA, food factors inducing gut-GABA production, evidence suggesting GABA as a mediator linking between gut microbiota and mental health, including anxiety, depression, stress, epilepsy, autism spectrum disorder, and attention deficit hyperactivity disorder, and novel information regarding homocarnosine-a predominant brain peptide that is a putative downstream mediator of GABA in regulating brain functions. This review will help us to understand how the gut microbiota and GABA-homocarnosine metabolism play a significant role in brain functions. Nonetheless, it could support further research on the use of GABA production-inducing microorganisms and food factors as agents to treat neurological and psychological disorders.
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Affiliation(s)
- Jason D Braga
- Laboratory of Molecular Nutrition, Graduate School of Integrated Sciences for Life, Hiroshima University, Hiroshima, 739-8527, Japan
- Institute of Food Science and Technology, College of Agriculture, Food, Environment and Natural Resources, Cavite State University, Indang, Cavite, 4122, Philippines
| | - Masubon Thongngam
- Department of Food Science and Technology, Faculty of Agro-Industry, Kasetsart University, Bangkok, 10900, Thailand
| | - Thanutchaporn Kumrungsee
- Laboratory of Molecular Nutrition, Graduate School of Integrated Sciences for Life, Hiroshima University, Hiroshima, 739-8527, Japan.
- Smart Agriculture, Graduate School of Innovation and Practice for Smart Society, Hiroshima University, Hiroshima, 739-8527, Japan.
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16
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Salvadori M, Rosso G. Update on the gut microbiome in health and diseases. World J Methodol 2024; 14:89196. [PMID: 38577200 PMCID: PMC10989414 DOI: 10.5662/wjm.v14.i1.89196] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/23/2023] [Revised: 12/18/2023] [Accepted: 01/27/2024] [Indexed: 03/07/2024] Open
Abstract
The Human Microbiome Project, Earth Microbiome Project, and next-generation sequencing have advanced novel genome association, host genetic linkages, and pathogen identification. The microbiome is the sum of the microbes, their genetic information, and their ecological niche. This study will describe how millions of bacteria in the gut affect the human body in health and disease. The gut microbiome changes in relation with age, with an increase in Bacteroidetes and Firmicutes. Host and environmental factors affecting the gut microbiome are diet, drugs, age, smoking, exercise, and host genetics. In addition, changes in the gut microbiome may affect the local gut immune system and systemic immune system. In this study, we discuss how the microbiome may affect the metabolism of healthy subjects or may affect the pathogenesis of metabolism-generating metabolic diseases. Due to the high number of publications on the argument, from a methodologically point of view, we decided to select the best papers published in referred journals in the last 3 years. Then we selected the previously published papers. The major goals of our study were to elucidate which microbiome and by which pathways are related to healthy and disease conditions.
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Affiliation(s)
- Maurizio Salvadori
- Department of Renal Transplantation, Careggi University Hospital, Florence 50139, Tuscany, Italy
| | - Giuseppina Rosso
- Division of Nephrology, San Giovanni di Dio Hospital, Florence 50143, Toscana, Italy
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17
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Koh YC, Chang YC, Lin WS, Leung SY, Chen WJ, Wu SH, Wei YS, Gung CL, Chou YC, Pan MH. Efficacy and Mechanism of the Action of Live and Heat-Killed Bacillus coagulans BC198 as Potential Probiotic in Ameliorating Dextran Sulfate Sodium-Induced Colitis in Mice. ACS OMEGA 2024; 9:10253-10266. [PMID: 38463297 PMCID: PMC10918820 DOI: 10.1021/acsomega.3c07529] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/28/2023] [Revised: 02/01/2024] [Accepted: 02/12/2024] [Indexed: 03/12/2024]
Abstract
Inflammatory bowel disease alters the gut microbiota, causes defects in mucosal barrier function, and leads to dysregulation of the immune response to microbial stimulation. This study investigated and compared the efficacy of a candidate probiotic strain, Bacillus coagulans BC198, and its heat-killed form in treating dextran sulfate sodium-induced colitis. Both live and heat-killed B. coagulans BC198 increased gut barrier-associated protein expression, reduced neutrophil and M1 macrophage infiltration of colon tissue, and corrected gut microbial dysbiosis induced by colitis. However, only live B. coagulans BC198 could alleviate the general symptoms of colitis, prevent colon shortening, and suppress inflammation and tissue damage. At the molecular level, live B. coagulans BC198 was able to inhibit Th17 cells while promoting Treg cells in mice with colitis, reduce pro-inflammatory MCP-1 production, and increase anti-inflammatory IL-10 expression in the colonic mucosa. The live form of B. coagulans BC198 functioned more effectively than the heat-killed form in ameliorating colitis by enhancing the anti-inflammatory response and promoting Treg cell accumulation in the colon.
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Affiliation(s)
- Yen-Chun Koh
- Institute
of Food Sciences and Technology, National
Taiwan University, Taipei 10617, Taiwan
| | - Ya-Chu Chang
- Institute
of Food Sciences and Technology, National
Taiwan University, Taipei 10617, Taiwan
| | - Wei-Sheng Lin
- Institute
of Food Sciences and Technology, National
Taiwan University, Taipei 10617, Taiwan
- Department
of Food Science, National Quemoy University, Quemoy 892, Taiwan
| | - Siu-Yi Leung
- Institute
of Food Sciences and Technology, National
Taiwan University, Taipei 10617, Taiwan
| | - Wei-Jen Chen
- Biotech
Department, Syngen Biotech Co., Ltd., Tainan 744094, Taiwan
| | - Shiuan-Huei Wu
- Biotech
Department, Syngen Biotech Co., Ltd., Tainan 744094, Taiwan
| | - Yu-Shan Wei
- Research
and Development Department, Syngen Biotech
Co., Ltd., Tainan 744094, Taiwan
| | - Chiau-Ling Gung
- Research
and Development Department, Syngen Biotech
Co., Ltd., Tainan 744094, Taiwan
| | - Ya-Chun Chou
- Institute
of Food Sciences and Technology, National
Taiwan University, Taipei 10617, Taiwan
| | - Min-Hsiung Pan
- Institute
of Food Sciences and Technology, National
Taiwan University, Taipei 10617, Taiwan
- Department
of Medical Research, China Medical University Hospital, China Medical University, Taichung City 40402, Taiwan
- Department
of Health and Nutrition Biotechnology, Asia
University, Taichung City 41354, Taiwan
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18
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Segui-Perez C, Stapels DAC, Ma Z, Su J, Passchier E, Westendorp B, Wubbolts RW, Wu W, van Putten JPM, Strijbis K. MUC13 negatively regulates tight junction proteins and intestinal epithelial barrier integrity via protein kinase C. J Cell Sci 2024; 137:jcs261468. [PMID: 38345099 PMCID: PMC10984281 DOI: 10.1242/jcs.261468] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2023] [Accepted: 01/29/2024] [Indexed: 03/14/2024] Open
Abstract
Glycosylated mucin proteins contribute to the essential barrier function of the intestinal epithelium. The transmembrane mucin MUC13 is an abundant intestinal glycoprotein with important functions for mucosal maintenance that are not yet completely understood. We demonstrate that in human intestinal epithelial monolayers, MUC13 localized to both the apical surface and the tight junction (TJ) region on the lateral membrane. MUC13 deletion resulted in increased transepithelial resistance (TEER) and reduced translocation of small solutes. TEER buildup in ΔMUC13 cells could be prevented by addition of MLCK, ROCK or protein kinase C (PKC) inhibitors. The levels of TJ proteins including claudins and occludin were highly increased in membrane fractions of MUC13 knockout cells. Removal of the MUC13 cytoplasmic tail (CT) also altered TJ composition but did not affect TEER. The increased buildup of TJ complexes in ΔMUC13 and MUC13-ΔCT cells was dependent on PKC. The responsible PKC member might be PKCδ (or PRKCD) based on elevated protein levels in the absence of full-length MUC13. Our results demonstrate for the first time that a mucin protein can negatively regulate TJ function and stimulate intestinal barrier permeability.
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Affiliation(s)
- Celia Segui-Perez
- Department of Biomolecular Health Sciences, Division of Infectious Diseases and Immunology, Faculty of Veterinary Medicine, Utrecht University, Yalelaan 1, 3584 CL Utrecht, the Netherlands
| | - Daphne A. C. Stapels
- Department of Biomolecular Health Sciences, Division of Infectious Diseases and Immunology, Faculty of Veterinary Medicine, Utrecht University, Yalelaan 1, 3584 CL Utrecht, the Netherlands
| | - Ziliang Ma
- Biomolecular Mass Spectrometry and Proteomics, Bijvoet Center for Biomolecular Research and Utrecht Institute for Pharmaceutical Sciences, Utrecht University, Padualaan 8, 3584 CH Utrecht, the Netherlands
- Singapore Immunology Network (SIgN), Agency for Science, Technology, and Research (A*STAR), 138648 Singapore, Singapore
- Department of Pharmacy, National University of Singapore, 117543 Singapore, Singapore
| | - Jinyi Su
- Department of Biomolecular Health Sciences, Division of Infectious Diseases and Immunology, Faculty of Veterinary Medicine, Utrecht University, Yalelaan 1, 3584 CL Utrecht, the Netherlands
| | - Elsemieke Passchier
- UMAB, Department of Laboratory Pharmacy and Biomedical Genetics, Center for Translational Immunology, University Medical Center Utrecht, Heidelberglaan 100, 3584 CX Utrecht, the Netherlands
| | - Bart Westendorp
- Department of Biomolecular Health Sciences, Division of Cell Biology, Metabolism and Cancer, Faculty of Veterinary Medicine, Utrecht University, Yalelaan 1, 3584 CL Utrecht, the Netherlands
| | - Richard W. Wubbolts
- Department of Biomolecular Health Sciences, Division of Cell Biology, Metabolism and Cancer, Faculty of Veterinary Medicine, Utrecht University, Yalelaan 1, 3584 CL Utrecht, the Netherlands
| | - Wei Wu
- Biomolecular Mass Spectrometry and Proteomics, Bijvoet Center for Biomolecular Research and Utrecht Institute for Pharmaceutical Sciences, Utrecht University, Padualaan 8, 3584 CH Utrecht, the Netherlands
- Singapore Immunology Network (SIgN), Agency for Science, Technology, and Research (A*STAR), 138648 Singapore, Singapore
- Department of Pharmacy, National University of Singapore, 117543 Singapore, Singapore
| | - Jos P. M. van Putten
- Department of Biomolecular Health Sciences, Division of Infectious Diseases and Immunology, Faculty of Veterinary Medicine, Utrecht University, Yalelaan 1, 3584 CL Utrecht, the Netherlands
| | - Karin Strijbis
- Department of Biomolecular Health Sciences, Division of Infectious Diseases and Immunology, Faculty of Veterinary Medicine, Utrecht University, Yalelaan 1, 3584 CL Utrecht, the Netherlands
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19
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Noor Eddin A, Alfuwais M, Noor Eddin R, Alkattan K, Yaqinuddin A. Gut-Modulating Agents and Amyotrophic Lateral Sclerosis: Current Evidence and Future Perspectives. Nutrients 2024; 16:590. [PMID: 38474719 DOI: 10.3390/nu16050590] [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: 01/21/2024] [Revised: 02/06/2024] [Accepted: 02/09/2024] [Indexed: 03/14/2024] Open
Abstract
Amyotrophic Lateral Sclerosis (ALS) is a highly fatal neurodegenerative disorder characterized by the progressive wasting and paralysis of voluntary muscle. Despite extensive research, the etiology of ALS remains elusive, and effective treatment options are limited. However, recent evidence implicates gut dysbiosis and gut-brain axis (GBA) dysfunction in ALS pathogenesis. Alterations to the composition and diversity of microbial communities within the gut flora have been consistently observed in ALS patients. These changes are often correlated with disease progression and patient outcome, suggesting that GBA modulation may have therapeutic potential. Indeed, targeting the gut microbiota has been shown to be neuroprotective in several animal models, alleviating motor symptoms and mitigating disease progression. However, the translation of these findings to human patients is challenging due to the complexity of ALS pathology and the varying diversity of gut microbiota. This review comprehensively summarizes the current literature on ALS-related gut dysbiosis, focusing on the implications of GBA dysfunction. It delineates three main mechanisms by which dysbiosis contributes to ALS pathology: compromised intestinal barrier integrity, metabolic dysfunction, and immune dysregulation. It also examines preclinical evidence on the therapeutic potential of gut-microbiota-modulating agents (categorized as prebiotics, probiotics, and postbiotics) in ALS.
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Affiliation(s)
- Ahmed Noor Eddin
- College of Medicine, Alfaisal University, Riyadh 11533, Saudi Arabia
| | - Mohammed Alfuwais
- College of Medicine, Alfaisal University, Riyadh 11533, Saudi Arabia
| | - Reena Noor Eddin
- College of Medicine, Alfaisal University, Riyadh 11533, Saudi Arabia
| | - Khaled Alkattan
- College of Medicine, Alfaisal University, Riyadh 11533, Saudi Arabia
| | - Ahmed Yaqinuddin
- College of Medicine, Alfaisal University, Riyadh 11533, Saudi Arabia
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20
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Taraz T, Mahmoudi-Ghehsareh M, Asri N, Nazemalhosseini-Mojarad E, Rezaei-Tavirani M, Jahani-Sherafat S, Naseh A, Rostami-Nejad M. Overview of the compromised mucosal integrity in celiac disease. J Mol Histol 2024; 55:15-24. [PMID: 38165564 DOI: 10.1007/s10735-023-10175-0] [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: 06/30/2023] [Accepted: 11/02/2023] [Indexed: 01/04/2024]
Abstract
Intestinal epithelium is a dynamic cellular layer that lines the small-bowel and makes a relatively impenetrable barrier to macromolecules. Intestinal epithelial cell polarity is crucial in coordinating signalling pathways within cells and mainly regulated by three conserved polarity protein complexes, the Crumbs (Crb) complex, partitioning defective (PAR) complex, and Scribble (Scrib) complex. Polarity proteins regulate the proper establishment of the intercellular junctional complexes including tight junctions (TJs), adherence junctions (AJs), and desmosomes which hold epithelial cells together and play a major role in maintaining intestinal barrier integrity. Impaired intestinal epithelial cell polarity and barrier integrity result in irreversible immune responses, the host- microbial imbalance and intestinal inflammatory disorders. Disassembling the epithelial tight junction and augmented paracellular permeability is a conspicuous hallmark of celiac disease (CD) pathogenesis. There are several dietary components that can improve intestinal integrity and function. The aim of this review article is to summarize current information about the association of polarity proteins and AJC damages with pathogenesis of CD.
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Affiliation(s)
- Tannaz Taraz
- Basic and Molecular Epidemiology of Gastrointestinal Disorders Research Center, Research Institute for Gastroenterology and Liver Diseases, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mohadeseh Mahmoudi-Ghehsareh
- Gastroenterology and Liver Diseases Research Center, Research Institute for Gastroenterology and Liver Diseases, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Nastaran Asri
- Celiac Disease and Gluten Related Disorders Research Center, Research Institute for Gastroenterology and Liver Diseases, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Ehsan Nazemalhosseini-Mojarad
- Basic and Molecular Epidemiology of Gastrointestinal Disorders Research Center, Research Institute for Gastroenterology and Liver Diseases, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mostafa Rezaei-Tavirani
- Proteomics Research Center, Faculty of Paramedical Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Somayeh Jahani-Sherafat
- Laser Application in Medical Sciences Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Ali Naseh
- Department of Pediatrics and Neonatology, Clinical Research Development Center, Mahdiyeh Educational Hospital, Shahid-Beheshti University of Medical Sciences, Tehran, Iran
| | - Mohammad Rostami-Nejad
- Celiac Disease and Gluten Related Disorders Research Center, Research Institute for Gastroenterology and Liver Diseases, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
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21
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Zaib S, Hayat A, Khan I. Probiotics and their Beneficial Health Effects. Mini Rev Med Chem 2024; 24:110-125. [PMID: 37291788 DOI: 10.2174/1389557523666230608163823] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2023] [Revised: 05/10/2023] [Accepted: 05/17/2023] [Indexed: 06/10/2023]
Abstract
Probiotics are living microorganisms that are present in cultured milk and fermented food. Fermented foods are a rich source for the isolation of probiotics. They are known as good bacteria. They have various beneficial effects on human health including antihypertensive effects, antihypercholesterolemic effects, prevention of bowel disease, and improving the immune system. Microorganisms including bacteria, yeast, and mold are used as probiotics but the major microorganisms that are used as probiotics are bacteria from the genus Lactobacillus, Lactococcus, Streptococcus, and Bifidobacterium. Probiotics are beneficial in the prevention of harmful effects. Recently, the use of probiotics for the treatment of various oral and skin diseases has also gained significant attention. Clinical studies indicate that the usage of probiotics can alter gut microbiota composition and provoke immune modulation in a host. Due to their various health benefits, probiotics are attaining more interest as a substitute for antibiotics or anti-inflammatory drugs leading to the growth of the probiotic market.
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Affiliation(s)
- Sumera Zaib
- Department of Basic and Applied Chemistry, Faculty of Sciences and Technology, University of Central Punjab, Lahore, 54590, Pakistan
| | - Aqsa Hayat
- Department of Basic and Applied Chemistry, Faculty of Sciences and Technology, University of Central Punjab, Lahore, 54590, Pakistan
| | - Imtiaz Khan
- Department of Chemistry, Manchester Institute of Biotechnology, The University of Manchester, 131, Princess Street, Manchester M1 7DN, United Kingdom
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22
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Markovich Z, Abreu A, Sheng Y, Han SM, Xiao R. Deciphering internal and external factors influencing intestinal junctional complexes. Gut Microbes 2024; 16:2389320. [PMID: 39150987 PMCID: PMC11332634 DOI: 10.1080/19490976.2024.2389320] [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: 06/13/2024] [Revised: 07/29/2024] [Accepted: 08/01/2024] [Indexed: 08/18/2024] Open
Abstract
The intestinal barrier, an indispensable guardian of gastrointestinal health, mediates the intricate exchange between internal and external environments. Anchored by evolutionarily conserved junctional complexes, this barrier meticulously regulates paracellular permeability in essentially all living organisms. Disruptions in intestinal junctional complexes, prevalent in inflammatory bowel diseases and irritable bowel syndrome, compromise barrier integrity and often lead to the notorious "leaky gut" syndrome. Critical to the maintenance of the intestinal barrier is a finely orchestrated network of intrinsic and extrinsic factors that modulate the expression, composition, and functionality of junctional complexes. This review navigates through the composition of key junctional complex components and the common methods used to assess intestinal permeability. It also explores the critical intracellular signaling pathways that modulate these junctional components. Lastly, we delve into the complex dynamics between the junctional complexes, microbial communities, and environmental chemicals in shaping the intestinal barrier function. Comprehending this intricate interplay holds paramount importance in unraveling the pathophysiology of gastrointestinal disorders. Furthermore, it lays the foundation for the development of precise therapeutic interventions targeting barrier dysfunction.
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Affiliation(s)
- Zachary Markovich
- Department of Physiology and Aging, College of Medicine, University of Florida, Gainesville, FL, USA
- Graduate Program in Biomedical Sciences, College of Medicine, University of Florida, Gainesville, FL, USA
- Center for Smell and Taste, University of Florida, Gainesville, FL, USA
| | - Adriana Abreu
- Department of Physiology and Aging, College of Medicine, University of Florida, Gainesville, FL, USA
| | - Yi Sheng
- Department of Physiology and Aging, College of Medicine, University of Florida, Gainesville, FL, USA
| | - Sung Min Han
- Department of Physiology and Aging, College of Medicine, University of Florida, Gainesville, FL, USA
| | - Rui Xiao
- Department of Physiology and Aging, College of Medicine, University of Florida, Gainesville, FL, USA
- Center for Smell and Taste, University of Florida, Gainesville, FL, USA
- Institute on Aging, University of Florida, Gainesville, FL, USA
- Genetics Institute, University of Florida, Gainesville, FL, USA
- UF Health Cancer Center, University of Florida, Gainesville, FL, USA
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23
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Conn KA, Borsom EM, Cope EK. Implications of microbe-derived ɣ-aminobutyric acid (GABA) in gut and brain barrier integrity and GABAergic signaling in Alzheimer's disease. Gut Microbes 2024; 16:2371950. [PMID: 39008552 PMCID: PMC11253888 DOI: 10.1080/19490976.2024.2371950] [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: 03/13/2024] [Accepted: 06/19/2024] [Indexed: 07/17/2024] Open
Abstract
The gut microbial ecosystem communicates bidirectionally with the brain in what is known as the gut-microbiome-brain axis. Bidirectional signaling occurs through several pathways including signaling via the vagus nerve, circulation of microbial metabolites, and immune activation. Alterations in the gut microbiota are implicated in Alzheimer's disease (AD), a progressive neurodegenerative disease. Perturbations in gut microbial communities may affect pathways within the gut-microbiome-brain axis through altered production of microbial metabolites including ɣ-aminobutyric acid (GABA), the primary inhibitory mammalian neurotransmitter. GABA has been shown to act on gut integrity through modulation of gut mucins and tight junction proteins and may be involved in vagus nerve signal inhibition. The GABAergic signaling pathway has been shown to be dysregulated in AD, and may be responsive to interventions. Gut microbial production of GABA is of recent interest in neurological disorders, including AD. Bacteroides and Lactic Acid Bacteria (LAB), including Lactobacillus, are predominant producers of GABA. This review highlights how temporal alterations in gut microbial communities associated with AD may affect the GABAergic signaling pathway, intestinal barrier integrity, and AD-associated inflammation.
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Affiliation(s)
- Kathryn A. Conn
- Center for Applied Microbiome Sciences, The Pathogen and Microbiome Institute, Northern Arizona University, Flagstaff, AZ, USA
- Department of Biological Sciences, Northern Arizona University, Flagstaff, AZ, USA
| | - Emily M. Borsom
- Center for Data-Driven Discovery for Biology, Allen Institute, Seattle, WA, USA
| | - Emily K. Cope
- Center for Applied Microbiome Sciences, The Pathogen and Microbiome Institute, Northern Arizona University, Flagstaff, AZ, USA
- Department of Biological Sciences, Northern Arizona University, Flagstaff, AZ, USA
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24
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Aminov R, Aminova L. The role of the glycome in symbiotic host-microbe interactions. Glycobiology 2023; 33:1106-1116. [PMID: 37741057 PMCID: PMC10876039 DOI: 10.1093/glycob/cwad073] [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: 01/16/2023] [Revised: 09/13/2023] [Accepted: 09/21/2023] [Indexed: 09/25/2023] Open
Abstract
Glycosylation plays a crucial role in many aspects of cell biology, including cellular and organismal integrity, structure-and-function of many glycosylated molecules in the cell, signal transduction, development, cancer, and in a number of diseases. Besides, at the inter-organismal level of interaction, a variety of glycosylated molecules are involved in the host-microbiota recognition and initiation of downstream signalling cascades depending on the outcomes of the glycome-mediated ascertainment. The role of glycosylation in host-microbe interactions is better elaborated within the context of virulence and pathogenicity in bacterial infection processes but the symbiotic host-microbe relationships also involve substantive glycome-mediated interactions. The works in the latter field have been reviewed to a much lesser extent, and the main aim of this mini-review is to compensate for this deficiency and summarise the role of glycomics in host-microbe symbiotic interactions.
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Affiliation(s)
- Rustam Aminov
- The School of Medicine, Medical Sciences and Nutrition, Foresterhill Campus, Aberdeen AB25 2ZD, Scotland, United Kingdom
| | - Leila Aminova
- Midwest Bioprocessing Center, 801 W Main St, Peoria, IL, 61606-1877, United States
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25
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Yang CC, Wu MS, Hsu H. Management of diabetic foot ulcers using topical probiotics in a soybean-based concentrate: a multicentre study. J Wound Care 2023; 32:S16-S21. [PMID: 38063295 DOI: 10.12968/jowc.2023.32.sup12.s16] [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: 12/18/2023]
Abstract
OBJECTIVE Diabetic foot ulcer (DFU) is a common complication in people with diabetes. Standard management includes strict glycaemic management, control of the infection, revascularisation, debridement, mechanical offloading and foot care education. This study aimed to evaluate the efficacy of using topical probiotics in a soybean-based concentrate in the management of DFUs. METHOD A retrospective, multicentre evaluation of patients with diabetes with non-infected DFUs between October 2020 and October 2021, and who were treated with twice daily topical application of probiotics in a soybean-based concentrate as an adjunct to standard wound care. RESULTS A total of 22 patients were enrolled into this study, including 16 males and six females, with a mean age of 61 years (range: 31-89 years). Defect size ranged from 1-33.5cm2 (mean: 7.2cm2). The mean number of days until complete healing was 51 (range: 21-112 days). Of the patients, 83% showed complete healing at the end of 16 weeks, 72% showed complete healing at 12 weeks, 56% at eight weeks, and 22% at four weeks. The wounds showed an average decrease in size of 0.59cm2 (9%) per week, calculated using generalised estimating equation. CONCLUSION This findings of this study provide a new perspective on the therapeutic potential of probiotics as an effective form of management in patients with small, hard-to-heal (chronic) DFUs.
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Affiliation(s)
- Chao-Chih Yang
- Attending Plastic Surgeon and Chief of Division of Plastic Surgery, Taichung Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Taiwan
| | - Megn-Si Wu
- Attending Plastic Surgeon, Lecturer, Division of Plastic Surgery, Hualien Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Hualien, Taiwan
- School of Medicine, Tzu Chi University, Hualien, 97004, Taiwan
| | - Honda Hsu
- School of Medicine, Tzu Chi University, Hualien, 97004, Taiwan
- Attending Plastic Surgeon, Associate Professor, Division of Plastic Surgery, Dalin Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Dalin, Taiwan
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26
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Chen S, Zhang Y. Mechanism and application of Lactobacillus in type 2 diabetes-associated periodontitis. Front Public Health 2023; 11:1248518. [PMID: 38098816 PMCID: PMC10720667 DOI: 10.3389/fpubh.2023.1248518] [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: 06/27/2023] [Accepted: 11/06/2023] [Indexed: 12/17/2023] Open
Abstract
Type 2 diabetes mellitus (T2DM) accelerates the progression of periodontitis through diverse pathways. Abnormal immune responses, excessive activation of inflammation, increased levels of advanced glycation end products, and oxidative stress have defined roles in the pathophysiological process of T2DM-associated periodontitis. Furthermore, in the periodontium of diabetic individuals, there are high levels of advanced glycation end-products and glucose. Meanwhile, progress in microbiomics has revealed that dysbacteriosis caused by T2DM also contributes to the progression of periodontitis. Lactobacillus, owing to its fine-tuning function in the local microbiota, has sparked tremendous interest in this field. Accumulating research on Lactobacillus has detailed its beneficial role in both diabetes and oral diseases. In this study, we summarize the newly discovered mechanisms underlying Lactobacillus-mediated improvement of T2DM-associated periodontitis and propose the application of Lactobacillus in the clinic.
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Affiliation(s)
- Sisi Chen
- Chongqing Three Gorges Medical College, Chongqing, China
- Chongqing Medical University, Chongqing, China
| | - Yuhan Zhang
- Chongqing Three Gorges Medical College, Chongqing, China
- Chongqing Medical University, Chongqing, China
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27
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Fusco A, Perfetto B, Savio V, Chiaromonte A, Torelli G, Donnarumma G, Baroni A. Regulatory Ability of Lactiplantibacillus plantarum on Human Skin Health by Counteracting In Vitro Malassezia furfur Effects. J Fungi (Basel) 2023; 9:1153. [PMID: 38132754 PMCID: PMC10744525 DOI: 10.3390/jof9121153] [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: 10/03/2023] [Revised: 11/23/2023] [Accepted: 11/28/2023] [Indexed: 12/23/2023] Open
Abstract
The skin serves as the first barrier against pathogen attacks, thanks to its multifunctional microbial community. Malassezia furfur is a commensal organism of normal cutaneous microflora but is also a cause of skin diseases. It acts on different cell pattern recognition receptors (TLRs, AhR, NLRP3 inflammasome) leading to cellular damage, barrier impairment, and inflammatory cytokines production. Lactobacillus spp. Is an endogenous inhabitant of healthy skin, and studies have proven its beneficial role in wound healing, skin inflammation, and protection against pathogen infections. The aim of our study is to demonstrate the ability of live Lactiplantibacillus plantarum to interfere with the harmful effects of the yeast on human keratinocytes (HaCat) in vitro. To enable this, the cells were treated with M. furfur, either alone or in the presence of L. plantarum. To study the inflammasome activation, cells require a stimulus triggering inflammation (LPS) before M. furfur infection, with or without L. plantarum. L. plantarum effectively counteracts all the harmful strategies of yeast, reducing the phospholipase activity, accelerating wound repair, restoring barrier integrity, reducing AhR and NLRP3 inflammasome activation, and, consequently, releasing inflammatory cytokines. Although lactobacilli have a long history of use in fermented foods, it can be speculated that they can also have health-promoting activities when topically applied.
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Affiliation(s)
- Alessandra Fusco
- Department of Experimental Medicine, Section of Microbiology and Clinical Microbiology, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy; (B.P.); (V.S.); (A.C.); (G.T.)
| | - Brunella Perfetto
- Department of Experimental Medicine, Section of Microbiology and Clinical Microbiology, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy; (B.P.); (V.S.); (A.C.); (G.T.)
| | - Vittoria Savio
- Department of Experimental Medicine, Section of Microbiology and Clinical Microbiology, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy; (B.P.); (V.S.); (A.C.); (G.T.)
| | - Adriana Chiaromonte
- Department of Experimental Medicine, Section of Microbiology and Clinical Microbiology, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy; (B.P.); (V.S.); (A.C.); (G.T.)
| | - Giovanna Torelli
- Department of Experimental Medicine, Section of Microbiology and Clinical Microbiology, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy; (B.P.); (V.S.); (A.C.); (G.T.)
| | - Giovanna Donnarumma
- Department of Experimental Medicine, Section of Microbiology and Clinical Microbiology, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy; (B.P.); (V.S.); (A.C.); (G.T.)
| | - Adone Baroni
- Department of Mental and Physical Health and Preventive Medicine, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy;
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28
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Bai Y, Miyanaga K, Yamamoto N. Enhanced tight junction in Caco-2 cells by the pretreatment with Lactobacillus johnsonii strain MG. Biosci Biotechnol Biochem 2023; 87:1532-1536. [PMID: 37704400 DOI: 10.1093/bbb/zbad131] [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: 04/28/2023] [Accepted: 08/21/2023] [Indexed: 09/15/2023]
Abstract
We investigated roles of Lactobacillus johnsonii MG (MG) isolated from mice with interaction with tight junction on gut barrier function with Caco-2 cell model. Pretreatment with MG enhanced barrier function and showed protective effect against Enterococcus faecium provided damage. MG treatment increased the gene expressions of transcriptional regulator NFKB and major tight junction protein, ZO-1.
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Affiliation(s)
- Yuying Bai
- School of Life Science and Technology, Tokyo Institute of Technology, Yokohama, Kanagawa, Japan
| | - Kazuhiko Miyanaga
- School of Life Science and Technology, Tokyo Institute of Technology, Yokohama, Kanagawa, Japan
- Department of Infection and Immunity, School of Medicine, Jichi Medical University, 3311-1, Yakushiji, Shimotsuke-Shi, Tochigi, Japan
| | - Naoyuki Yamamoto
- School of Life Science and Technology, Tokyo Institute of Technology, Yokohama, Kanagawa, Japan
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29
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Barouei J, Martinic A, Bendiks Z, Mishchuk D, Heeney D, Slupsky CM, Marco ML. Type 2-resistant starch and Lactiplantibacillus plantarum NCIMB 8826 result in additive and interactive effects in diet-induced obese mice. Nutr Res 2023; 118:12-28. [PMID: 37536013 DOI: 10.1016/j.nutres.2023.07.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2022] [Revised: 07/14/2023] [Accepted: 07/14/2023] [Indexed: 08/05/2023]
Abstract
Little is known about how combining a probiotic with prebiotic dietary fiber affects the ability of either biotic to improve health. We hypothesized that prebiotic, high-amylose maize type 2-resistant starch (RS) together with probiotic Lactiplantibacillus plantarum NCIMB8826 (LP) as a complementary synbiotic results in additive effects on the gut microbiota in diet-induced obese mice and other body sites. Diet-induced obese C57BL/6J male mice were fed a high-fat diet adjusted to contain RS (20% by weight), LP (109 cells every 48 hours), or both (RS+LP) for 6 weeks. As found for mice fed RS, cecal bacterial alpha diversity was significantly reduced in mice given RS+LP compared with those fed LP and high-fat controls. Similarly, both RS+LP and RS also conferred lower quantities of cecal butyrate and serum histidine and higher ileal TLR2 transcript levels and adipose tissue interleukin-6 protein. As found for mice fed LP, RS+LP-fed mice had higher colonic tissue TH17 cytokines, reduced epididymal fat immune and oxidative stress responses, reduced serum carnitine levels, and increased transcript quantities of hepatic carnitine palmitoyl transferase 1α. Notably, compared with RS and LP consumed separately, there were also synergistic increases in colonic glucose and hepatic amino acids as well antagonistic effects of LP on RS-mediated increases in serum adiponectin and urinary toxin levels. Our findings show that it is not possible to fully predict outcomes of synbiotic applications based on findings of the probiotic or the prebiotic tested separately; therefore, studies should be conducted to test new synbiotic formulations.
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Affiliation(s)
- Javad Barouei
- Integrated Food Security Research Center, College of Agriculture and Human Sciences, Prairie View A&M University, Prairie View, TX; Department of Food Science & Technology, University of California, Davis, CA
| | - Alice Martinic
- Department of Nutrition, University of California, Davis, CA
| | - Zach Bendiks
- Department of Food Science & Technology, University of California, Davis, CA
| | - Darya Mishchuk
- Department of Food Science & Technology, University of California, Davis, CA
| | - Dustin Heeney
- Department of Food Science & Technology, University of California, Davis, CA
| | - Carolyn M Slupsky
- Department of Food Science & Technology, University of California, Davis, CA; Department of Nutrition, University of California, Davis, CA
| | - Maria L Marco
- Department of Food Science & Technology, University of California, Davis, CA.
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30
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Kiernan DP, O’Doherty JV, Sweeney T. The Effect of Maternal Probiotic or Synbiotic Supplementation on Sow and Offspring Gastrointestinal Microbiota, Health, and Performance. Animals (Basel) 2023; 13:2996. [PMID: 37835602 PMCID: PMC10571980 DOI: 10.3390/ani13192996] [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: 08/11/2023] [Revised: 09/14/2023] [Accepted: 09/20/2023] [Indexed: 10/15/2023] Open
Abstract
The increasing prevalence of antimicrobial-resistant pathogens has prompted the reduction in antibiotic and antimicrobial use in commercial pig production. This has led to increased research efforts to identify alternative dietary interventions to support the health and development of the pig. The crucial role of the GIT microbiota in animal health and performance is becoming increasingly evident. Hence, promoting an improved GIT microbiota, particularly the pioneer microbiota in the young pig, is a fundamental focus. Recent research has indicated that the sow's GIT microbiota is a significant contributor to the development of the offspring's microbiota. Thus, dietary manipulation of the sow's microbiota with probiotics or synbiotics, before farrowing and during lactation, is a compelling area of exploration. This review aims to identify the potential health benefits of maternal probiotic or synbiotic supplementation to both the sow and her offspring and to explore their possible modes of action. Finally, the results of maternal sow probiotic and synbiotic supplementation studies are collated and summarized. Maternal probiotic or synbiotic supplementation offers an effective strategy to modulate the sow's microbiota and thereby enhance the formation of a health-promoting pioneer microbiota in the offspring. In addition, this strategy can potentially reduce oxidative stress and inflammation in the sow and her offspring, enhance the immune potential of the milk, the immune system development in the offspring, and the sow's feed intake during lactation. Although many studies have used probiotics in the maternal sow diet, the most effective probiotic or probiotic blends remain unclear. To this extent, further direct comparative investigations using different probiotics are warranted to advance the current understanding in this area. Moreover, the number of investigations supplementing synbiotics in the maternal sow diet is limited and is an area where further exploration is warranted.
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Affiliation(s)
- Dillon P. Kiernan
- School of Veterinary Medicine, University College Dublin, D04 C1P1 Dublin, Ireland;
| | - John V. O’Doherty
- School of Agriculture and Food Science, University College Dublin, D04 C1P1 Dublin, Ireland;
| | - Torres Sweeney
- School of Veterinary Medicine, University College Dublin, D04 C1P1 Dublin, Ireland;
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Kim H, Yoo MS, Jeon H, Shim JJ, Park WJ, Kim JY, Lee JL. Probiotic Properties and Safety Evaluation of Lactobacillus plantarum HY7718 with Superior Storage Stability Isolated from Fermented Squid. Microorganisms 2023; 11:2254. [PMID: 37764098 PMCID: PMC10534859 DOI: 10.3390/microorganisms11092254] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2023] [Revised: 09/04/2023] [Accepted: 09/06/2023] [Indexed: 09/29/2023] Open
Abstract
The aim of this study was to identify new potential probiotics with improved storage stability and to evaluate their efficacy and safety. Sixty lactic acid bacteria strains were isolated from Korean traditional fermented foods, and their survival was tested under extreme conditions. Lactobacillus plantarum HY7718 (HY7718) showed the greatest stability during storage. HY7718 also showed a stable growth curve under industrial conditions. Whole genome sequencing revealed that the HY7718 genome comprises 3.26 Mbp, with 44.5% G + C content, and 3056 annotated Protein-coding DNA sequences (CDSs). HY7718 adhered to intestinal epithelial cells and was tolerant to gastric fluids. Additionally, HY7718 exhibited no hemolytic activity and was not resistant to antibiotics, confirming that it has probiotic properties and is safe for consumption. Additionally, we evaluated its effects on intestinal health using TNF-induced Caco-2 cells. HY7718 restored the expression of tight junction proteins such as zonular occludens (ZO-1, ZO-2), occludin (OCLN), and claudins (CLDN1, CLDN4), and regulated the expression of myosin light-chain kinase (MLCK), Elk-1, and nuclear factor kappa B subunit 1 (NFKB1). Moreover, HY7718 reduced the secretion of proinflammatory cytokines such as interleukin-6 (IL-6) and IL-8, as well as reducing the levels of peroxide-induced reactive oxygen species. In conclusion, HY7718 has probiotic properties, is safe, is stable under extreme storage conditions, and exerts positive effects on intestinal cells. These results suggest that L. plantarum HY7718 is a potential probiotic for use as a functional supplement in the food industry.
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Affiliation(s)
- Hyeonji Kim
- R&BD Center, hy Co., Ltd., 22, Giheungdanji-ro 24beon-gil, Giheung-gu, Yongin-si 17086, Republic of Korea; (H.K.); (M.-S.Y.); (H.J.); (J.-J.S.)
| | - Myeong-Seok Yoo
- R&BD Center, hy Co., Ltd., 22, Giheungdanji-ro 24beon-gil, Giheung-gu, Yongin-si 17086, Republic of Korea; (H.K.); (M.-S.Y.); (H.J.); (J.-J.S.)
| | - Hyejin Jeon
- R&BD Center, hy Co., Ltd., 22, Giheungdanji-ro 24beon-gil, Giheung-gu, Yongin-si 17086, Republic of Korea; (H.K.); (M.-S.Y.); (H.J.); (J.-J.S.)
| | - Jae-Jung Shim
- R&BD Center, hy Co., Ltd., 22, Giheungdanji-ro 24beon-gil, Giheung-gu, Yongin-si 17086, Republic of Korea; (H.K.); (M.-S.Y.); (H.J.); (J.-J.S.)
| | - Woo-Jung Park
- Department of Marine Food Science and Technology, Gangneung-Wonju National University, Gangneung 25457, Republic of Korea;
| | - Joo-Yun Kim
- R&BD Center, hy Co., Ltd., 22, Giheungdanji-ro 24beon-gil, Giheung-gu, Yongin-si 17086, Republic of Korea; (H.K.); (M.-S.Y.); (H.J.); (J.-J.S.)
| | - Jung-Lyoul Lee
- R&BD Center, hy Co., Ltd., 22, Giheungdanji-ro 24beon-gil, Giheung-gu, Yongin-si 17086, Republic of Korea; (H.K.); (M.-S.Y.); (H.J.); (J.-J.S.)
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YAMASAKI M, MIYAMOTO Y, OGAWA K, NISHIYAMA K, TSEND-AYUSH C, LI Y, MATSUSAKI T, NAKANO T, TAKESHITA M, ARIMA Y. Lactiplantibacillus plantarum 06CC2 upregulates intestinal ZO-1 protein and bile acid metabolism in Balb/c mice fed high-fat diet. BIOSCIENCE OF MICROBIOTA, FOOD AND HEALTH 2023; 43:13-22. [PMID: 38188659 PMCID: PMC10767321 DOI: 10.12938/bmfh.2023-002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/13/2023] [Accepted: 07/11/2023] [Indexed: 01/09/2024]
Abstract
The effects of Lactiplantibacillus plantarum 06CC2 (LP06CC2), which was isolated from a Mongolian dairy product, on lipid metabolism and intestinal tight junction-related proteins in Balb/c mice fed a high-fat diet (HFD) were evaluated. The mice were fed the HFD for eight weeks, and the plasma and hepatic lipid parameters, as well as the intestinal tight junction-related factors, were evaluated. LP06CC2 slightly reduced the adipose tissue mass. Further, it dose-dependently decreased plasma total cholesterol (TC). The HFD tended to increase the plasma level of endotoxin and suppressed intestinal ZO-1 expression, whereas a low LP06CC2 dose increased ZO-1 expression and tended to reduce the plasma lipopolysaccharide level. Furthermore, a low LP06CC2 dose facilitated a moderate accumulation of Lactobacillales, a significant decrease in Clostridium cluster IV, and an increase in Clostridium cluster XVIII. The results obtained from analyzing the bile acids (BAs) in feces and cecum contents exhibited a decreasing trend for secondary and conjugated BAs in the low LP06CC2-dose group. Moreover, a high LP06CC2 dose caused excess accumulation of Lactobacillales and failed to increase intestinal ZO-1 and occludin expression, while the fecal butyrate level increased dose dependently in the LP06CC2-fed mice. Finally, an appropriate LP06CC2 dose protected the intestinal barrier function from the HFD and modulated BA metabolism.
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Affiliation(s)
- Masao YAMASAKI
- Graduate School of Agriculture, University of Miyazaki, 1-1
Gakuen Kibanadai-nishi, Miyazaki, Miyazaki 889-2192, Japan
| | - Yuko MIYAMOTO
- Graduate School of Agriculture, University of Miyazaki, 1-1
Gakuen Kibanadai-nishi, Miyazaki, Miyazaki 889-2192, Japan
| | - Kenjirou OGAWA
- Organization for Promotion of Tenure Track, University of
Miyazaki, 1-1 Gakuen Kibanadai-nishi, Miyazaki, Miyazaki 889-2192, Japan
| | - Kazuo NISHIYAMA
- Graduate School of Agriculture, University of Miyazaki, 1-1
Gakuen Kibanadai-nishi, Miyazaki, Miyazaki 889-2192, Japan
| | - Chuluunbat TSEND-AYUSH
- School of Industrial Technology, Mongolian University of
Science and Technology, P.O. Box-46/520, Baga Toiruu, Sukhbaatar district, Ulaanbaatar-46,
Mongolia
| | - Yiran LI
- Research and Development Division, Minami Nihon Rakuno Kyodo
Co., Ltd., 5282 Takagi, Miyakonojo, Miyazaki 885-0003, Japan
| | - Tatsuya MATSUSAKI
- Research and Development Division, Minami Nihon Rakuno Kyodo
Co., Ltd., 5282 Takagi, Miyakonojo, Miyazaki 885-0003, Japan
| | - Tomoki NAKANO
- Research and Development Division, Minami Nihon Rakuno Kyodo
Co., Ltd., 5282 Takagi, Miyakonojo, Miyazaki 885-0003, Japan
| | - Masahiko TAKESHITA
- Research and Development Division, Minami Nihon Rakuno Kyodo
Co., Ltd., 5282 Takagi, Miyakonojo, Miyazaki 885-0003, Japan
| | - Yuo ARIMA
- Research and Development Division, Minami Nihon Rakuno Kyodo
Co., Ltd., 5282 Takagi, Miyakonojo, Miyazaki 885-0003, Japan
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Yin Y, Liao Y, Li J, Pei Z, Wang L, Shi Y, Peng H, Tan Y, Li C, Bai H, Ma C, Gong Y, Wei T, Peng H. Lactobacillus plantarum GX17 benefits growth performance and improves functions of intestinal barrier/intestinal flora among yellow-feathered broilers. Front Immunol 2023; 14:1195382. [PMID: 37465686 PMCID: PMC10351386 DOI: 10.3389/fimmu.2023.1195382] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2023] [Accepted: 06/06/2023] [Indexed: 07/20/2023] Open
Abstract
Lactobacillus plantarum has recently been found to be a natural source feed additive bacteria with great advantages in food safety and animal welfare. Discovering novel strains with commercial application potentiation could benefit the local poultry industry, and in particular support Chinese farmers. In this study, we tested a recently isolated novel strain of Lactobacillus plantarum GX17 as a feed additive on the growth performance and intestinal barrier functions of 1-day-old Chinese yellow-feather chicks. As good as other commercial probiotics, feeding with Lactobacillus plantarum GX17 showed significant improvements in humoral immune responses and enhanced the immune effect after vaccination for either the Newcastle disease vaccine or the avian influenza vaccine. This study also found that feeding with Lactobacillus plantarum GX17 improved the feed-to-weight ratio and caused a significant increase of the villus length to crypt depth ratio. Furthermore, Lactobacillus plantarum GX17 significantly up-regulated the mRNA expression of CLDN, MUC2, and TLR2, all of which are jejunum-associated barrier genes, indicating an improvement of the intestinal barrier functions by enhancing the tight junction between epithelia cells. These results are comparable to the effects of feeding the commercial complex probiotics that improve the expression levels of CLDN, ocludin, MUC2, TLR2, and TLR4. In terms of maintaining intestinal health, commercial complex probiotics increased the relative abundance of Parabacteroides and Romboutsia, while Lactobacillus plantarum GX17 increased the relative abundance of Pseudoflavonifractor. Our data suggest that Lactobacillus plantarum GX17 could enhance the intestinal absorption of nutrients and therefore improve the growth performance of Chinese yellow-feather chicks. In conclusion, compared with the commercial complex probiotics, Lactobacillus plantarum GX17 has more positive effects on the growth performance and intestinal barrier function of yellow-feather chickens, and can be used as a feed additive.
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Affiliation(s)
- Yangyan Yin
- Guangxi Key Laboratory of Veterinary Biotechnology, Guangxi Veterinary Research Institute, Nanning, China
- Key Laboratory of China(Guangxi)-Association of Southeast Asian Nations (ASEAN) Cross-border Animal Disease Prevention and Control, Ministry of Agriculture and Rural Affairs of China, Nanning, China
- Institute of Animal Science and Technology, Guangxi University, Nanning, China
| | - Yuying Liao
- Guangxi Key Laboratory of Veterinary Biotechnology, Guangxi Veterinary Research Institute, Nanning, China
- Key Laboratory of China(Guangxi)-Association of Southeast Asian Nations (ASEAN) Cross-border Animal Disease Prevention and Control, Ministry of Agriculture and Rural Affairs of China, Nanning, China
| | - Jun Li
- Guangxi Key Laboratory of Veterinary Biotechnology, Guangxi Veterinary Research Institute, Nanning, China
- Key Laboratory of China(Guangxi)-Association of Southeast Asian Nations (ASEAN) Cross-border Animal Disease Prevention and Control, Ministry of Agriculture and Rural Affairs of China, Nanning, China
| | - Zhe Pei
- Virginia Tech, Department of Engineering, Blacksburg, New York, NY, United States
| | - Leping Wang
- Guangxi Key Laboratory of Veterinary Biotechnology, Guangxi Veterinary Research Institute, Nanning, China
- Key Laboratory of China(Guangxi)-Association of Southeast Asian Nations (ASEAN) Cross-border Animal Disease Prevention and Control, Ministry of Agriculture and Rural Affairs of China, Nanning, China
- Institute of Animal Science and Technology, Guangxi University, Nanning, China
| | - Yan Shi
- Guangxi Key Laboratory of Veterinary Biotechnology, Guangxi Veterinary Research Institute, Nanning, China
- Key Laboratory of China(Guangxi)-Association of Southeast Asian Nations (ASEAN) Cross-border Animal Disease Prevention and Control, Ministry of Agriculture and Rural Affairs of China, Nanning, China
- Institute of Animal Science and Technology, Guangxi University, Nanning, China
| | - Hongyan Peng
- Guangxi Key Laboratory of Veterinary Biotechnology, Guangxi Veterinary Research Institute, Nanning, China
- Key Laboratory of China(Guangxi)-Association of Southeast Asian Nations (ASEAN) Cross-border Animal Disease Prevention and Control, Ministry of Agriculture and Rural Affairs of China, Nanning, China
- Institute of Animal Science and Technology, Guangxi University, Nanning, China
| | - Yizhou Tan
- Guangxi Key Laboratory of Veterinary Biotechnology, Guangxi Veterinary Research Institute, Nanning, China
- Key Laboratory of China(Guangxi)-Association of Southeast Asian Nations (ASEAN) Cross-border Animal Disease Prevention and Control, Ministry of Agriculture and Rural Affairs of China, Nanning, China
- Institute of Animal Science and Technology, Guangxi University, Nanning, China
| | - Changting Li
- Guangxi Key Laboratory of Veterinary Biotechnology, Guangxi Veterinary Research Institute, Nanning, China
- Key Laboratory of China(Guangxi)-Association of Southeast Asian Nations (ASEAN) Cross-border Animal Disease Prevention and Control, Ministry of Agriculture and Rural Affairs of China, Nanning, China
| | - Huili Bai
- Guangxi Key Laboratory of Veterinary Biotechnology, Guangxi Veterinary Research Institute, Nanning, China
- Key Laboratory of China(Guangxi)-Association of Southeast Asian Nations (ASEAN) Cross-border Animal Disease Prevention and Control, Ministry of Agriculture and Rural Affairs of China, Nanning, China
| | - Chunxia Ma
- Guangxi Key Laboratory of Veterinary Biotechnology, Guangxi Veterinary Research Institute, Nanning, China
- Key Laboratory of China(Guangxi)-Association of Southeast Asian Nations (ASEAN) Cross-border Animal Disease Prevention and Control, Ministry of Agriculture and Rural Affairs of China, Nanning, China
| | - Yu Gong
- Guizhou Provincial Livestock and Poultry Genetic Resources Management Station, Guiyang, China
| | - Tianchao Wei
- Institute of Animal Science and Technology, Guangxi University, Nanning, China
| | - Hao Peng
- Guangxi Key Laboratory of Veterinary Biotechnology, Guangxi Veterinary Research Institute, Nanning, China
- Key Laboratory of China(Guangxi)-Association of Southeast Asian Nations (ASEAN) Cross-border Animal Disease Prevention and Control, Ministry of Agriculture and Rural Affairs of China, Nanning, China
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Kathiriya MR, Vekariya YV, Hati S. Understanding the Probiotic Bacterial Responses Against Various Stresses in Food Matrix and Gastrointestinal Tract: A Review. Probiotics Antimicrob Proteins 2023:10.1007/s12602-023-10104-3. [PMID: 37347421 DOI: 10.1007/s12602-023-10104-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/02/2023] [Indexed: 06/23/2023]
Abstract
Probiotic bacteria are known to have ability to tolerate inhospitable conditions experienced during food preparation, food storage, and gastrointestinal tract of consumer. As probiotics are living cells, they are adversely affected by the harsh environment of the carrier matrix as well as low pH, bile salts, oxidative stress, osmotic pressure, and commensal microflora of the host. To overcome the unfavorable environments, many probiotics switch on the cell-mediated protection mechanisms, which helps them to survive, acclimatize and remain operational in the harsh circumstances. In this review, we provide comprehensive understanding on the different stresses experienced by the probiotic when added in carrier food as well as during human gastrointestinal tract transit. Under such situation how these health beneficial bacteria protect themselves by activation of several defense systems and get adapted to the lethal environments.
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Affiliation(s)
- Mital R Kathiriya
- Department of Dairy Microbiology, SMC College of Dairy Science, Kamdhenu University, Anand-388110, Gujarat, India
| | - Yogesh V Vekariya
- Department. of Dairy Engineering, SMC College of Dairy Science, Kamdhenu University, Anand-388110, Gujarat, India
| | - Subrota Hati
- Department of Dairy Microbiology, SMC College of Dairy Science, Kamdhenu University, Anand-388110, Gujarat, India.
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Logoń K, Świrkosz G, Nowak M, Wrześniewska M, Szczygieł A, Gomułka K. The Role of the Microbiome in the Pathogenesis and Treatment of Asthma. Biomedicines 2023; 11:1618. [PMID: 37371713 DOI: 10.3390/biomedicines11061618] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2023] [Revised: 05/27/2023] [Accepted: 05/31/2023] [Indexed: 06/29/2023] Open
Abstract
The role of the microbiome in the pathogenesis and treatment of asthma is significant. The purpose of this article is to show the interplay between asthma and the microbiome, and main areas that require further research are also highlighted. The literature search was conducted using the PubMed database. After a screening process of studies published before May 2023, a total of 128 articles were selected in our paper. The pre-treatment bronchial microbiome in asthmatic patients plays a role in their responsiveness to treatment. Gut microbiota and its dysbiosis can contribute to immune system modulation and the development of asthma. The association between the microbiome and asthma is complex. Further research is necessary to clarify which factors might moderate that relationship. An appropriate gut microbiome and its intestinal metabolites are a protective factor for asthma development. Prebiotics and certain dietary strategies may have a prophylactic or therapeutic effect, but more research is needed to establish final conclusions. Although the evidence regarding probiotics is ambiguous, and most meta-analyses do not support the use of probiotic intake to reduce asthma, several of the most recent studies have provided promising effects. Further studies should focus on the investigation of specific strains and the examination of their mechanistic and genetic aspects.
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Affiliation(s)
- Katarzyna Logoń
- Student Scientific Group of Adult Allergology, Wroclaw Medical University, 50-369 Wrocław, Poland
| | - Gabriela Świrkosz
- Student Scientific Group of Adult Allergology, Wroclaw Medical University, 50-369 Wrocław, Poland
| | - Monika Nowak
- Student Scientific Group of Adult Allergology, Wroclaw Medical University, 50-369 Wrocław, Poland
| | - Martyna Wrześniewska
- Student Scientific Group of Adult Allergology, Wroclaw Medical University, 50-369 Wrocław, Poland
| | - Aleksandra Szczygieł
- Student Scientific Group of Adult Allergology, Wroclaw Medical University, 50-369 Wrocław, Poland
| | - Krzysztof Gomułka
- Clinical Department of Internal Medicine, Pneumology and Allergology, Wroclaw Medical University, 50-369 Wrocław, Poland
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36
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Tuniyazi M, Zhang N. Possible Therapeutic Mechanisms and Future Perspectives of Vaginal Microbiota Transplantation. Microorganisms 2023; 11:1427. [PMID: 37374929 DOI: 10.3390/microorganisms11061427] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2023] [Revised: 05/16/2023] [Accepted: 05/24/2023] [Indexed: 06/29/2023] Open
Abstract
Microbial communities inhabiting the human body play a crucial role in protecting the host against pathogens and inflammation. Disruptions to the microbial composition can lead to various health issues. Microbial transfer therapy (MTT) has emerged as a potential treatment option to address such issues. Fecal microbiota transplantation (FMT) is the most widely used form of MTT and has been successful in treating several diseases. Another form of MTT is vaginal microbiota transplantation (VMT), which involves transferring vaginal microbiota from a healthy female donor to a diseased patient's vaginal cavity with the goal of restoring normal vaginal microbial composition. However, VMT has not been extensively studied due to safety concerns and a lack of research. This paper explores the therapeutic mechanisms of VMT and discusses future perspectives. Further research is necessary to advance the clinical applications and techniques of VMT.
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Affiliation(s)
- Maimaiti Tuniyazi
- Department of Clinical Veterinary Medicine, College of Veterinary Medicine, Jilin University, Changchun 130062, China
| | - Naisheng Zhang
- Department of Clinical Veterinary Medicine, College of Veterinary Medicine, Jilin University, Changchun 130062, China
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Rocha-Ramírez LM, Hernández-Chiñas U, Moreno-Guerrero SS, Ramírez-Pacheco A, Eslava CA. In Vitro Effect of the Cell-Free Supernatant of the Lactobacillus casei Strain IMAU60214 against the Different Pathogenic Properties of Diarrheagenic Escherichia coli. Microorganisms 2023; 11:1324. [PMID: 37317298 DOI: 10.3390/microorganisms11051324] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2023] [Revised: 05/10/2023] [Accepted: 05/12/2023] [Indexed: 06/16/2023] Open
Abstract
Enteroaggregative Escherichia coli (EAEC) and enterohemorrhagic E. coli (EHEC) are E. coli pathotypes associated with unmanageable diarrhea in children and adults. An alternative to the treatment of infections caused by these microorganisms is the use of the bacteria of the Lactobacillus genus; however, the beneficial effects on the intestinal mucosa are specific to the strain and species. The interest of this study consisted of analyzing the coaggregation properties of Lactobacillus casei IMAU60214, as well as the effect of cell-free supernatant (CSF) on growth and anti-cytotoxic activity in a cell model of the human intestinal epithelium for an agar diffusion assay (HT-29) and the inhibition of biofilm formation on plates of DEC strains of the EAEC and EHEC pathotypes. The results showed that L. casei IMAU60214 exhibits time-dependent coaggregation (35-40%) against EAEC and EHEC that is similar to the control E. coli ATCC 25922. The CSF showed antimicrobial activity (20-80%) against EAEC and EHEC depending on the concentration. In addition, the formation and dispersion of biofilms of the same strains decrease, and the proteolytic pre-treatment with catalase and/or proteinase K (1 mg/mL) of CSF reduces the antimicrobial effect. When evaluating the effect in HT-29 cells pre-treated with CFS on the toxic activity induced by the EAEC and EHEC strains, a reduction of between 30 and 40% was observed. The results show that L. casei IMAU60214 and its CSF have properties that interfere with some properties associated with the virulence of the EAEC and EHEC strains that cause intestinal infection, which supports their use for the control and prevention of infections caused by these bacteria.
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Affiliation(s)
- Luz María Rocha-Ramírez
- Unidad de Investigación en Enfermedades Infecciosas, Hospital Infantil de México Federico Gómez, Dr. Márquez No. 162, Col. Doctores, Alcaldía Cuauhtémoc, Ciudad de México 06720, Mexico
| | - Ulises Hernández-Chiñas
- Unidad Periférica de Investigación Básica y Clínica en Enfermedades Infecciosas, Universidad Nacional Autónoma de México, Dr. Márquez 162, Col. Doctores, Alcaldía Cuauhtémoc, Ciudad de México 06720, Mexico
- Departamento de Salud Pública, División de Investigación, Facultad de Medicina, Universidad Nacional Autónoma de México, Ciudad de México 04510, Mexico
| | - Silvia Selene Moreno-Guerrero
- Departamento de Hemato-Oncología, Hospital Infantil de México Federico Gómez. Dr. Márquez No. 162, Col. Doctores, Alcaldía Cuauhtémoc, Ciudad de México 06720, Mexico
| | - Arturo Ramírez-Pacheco
- Departamento de Hemato-Oncología, Hospital Infantil de México Federico Gómez. Dr. Márquez No. 162, Col. Doctores, Alcaldía Cuauhtémoc, Ciudad de México 06720, Mexico
| | - Carlos A Eslava
- Unidad Periférica de Investigación Básica y Clínica en Enfermedades Infecciosas, Universidad Nacional Autónoma de México, Dr. Márquez 162, Col. Doctores, Alcaldía Cuauhtémoc, Ciudad de México 06720, Mexico
- Departamento de Salud Pública, División de Investigación, Facultad de Medicina, Universidad Nacional Autónoma de México, Ciudad de México 04510, Mexico
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Kakade A, Sharma M, Salama ES, Zhang P, Zhang L, Xing X, Yue J, Song Z, Nan L, Yujun S, Li X. Heavy metals (HMs) pollution in the aquatic environment: Role of probiotics and gut microbiota in HMs remediation. ENVIRONMENTAL RESEARCH 2023; 223:115186. [PMID: 36586709 DOI: 10.1016/j.envres.2022.115186] [Citation(s) in RCA: 15] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/19/2022] [Revised: 12/07/2022] [Accepted: 12/27/2022] [Indexed: 06/17/2023]
Abstract
The presence of heavy metals (HMs) in aquatic ecosystems is a universal concern due to their tendency to accumulate in aquatic organisms. HMs accumulation has been found to cause toxic effects in aquatic organisms. The common HMs-induced toxicities are growth inhibition, reduced survival, oxidative stress, tissue damage, respiratory problems, and gut microbial dysbiosis. The application of dietary probiotics has been evolving as a potential approach to bind and remove HMs from the gut, which is called "Gut remediation". The toxic effects of HMs in fish, mice, and humans with the potential of probiotics in removing HMs have been discussed previously. However, the toxic effects of HMs and protective strategies of probiotics on the organisms of each trophic level have not been comprehensively reviewed yet. Thus, this review summarizes the toxic effects caused by HMs in the organisms (at each trophic level) of the aquatic food chain, with a special reference to gut microbiota. The potential of bacterial probiotics in toxicity alleviation and their protective strategies to prevent toxicities caused by HMs in them are also explained. The dietary probiotics are capable of removing HMs (50-90%) primarily from the gut of the organisms. Specifically, probiotics have been reported to reduce the absorption of HMs in the intestinal tract via the enhancement of intestinal HM sequestration, detoxification of HMs, changing the expression of metal transporter proteins, and maintaining the gut barrier function. The probiotic is recommended as a novel strategy to minimize aquaculture HMs toxicity and safe human health.
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Affiliation(s)
- Apurva Kakade
- Ministry of Education Key Laboratory of Cell Activities and Stress Adaptations, Lanzhou University, Lanzhou, 730000, Gansu, China; Department of Occupational and Environmental Health, School of Public Health, Lanzhou University, Lanzhou, 730000, Gansu, China
| | - Monika Sharma
- Ministry of Education Key Laboratory of Cell Activities and Stress Adaptations, Lanzhou University, Lanzhou, 730000, Gansu, China; Department of Occupational and Environmental Health, School of Public Health, Lanzhou University, Lanzhou, 730000, Gansu, China
| | - El-Sayed Salama
- Department of Occupational and Environmental Health, School of Public Health, Lanzhou University, Lanzhou, 730000, Gansu, China.
| | - Peng Zhang
- Key Laboratory for Resources Utilization Technology of Unconventional Water of Gansu Province, Gansu Academy of Membrane Science and Technology, Lanzhou, Gansu, 730020, China
| | - Lihong Zhang
- Key Laboratory for Resources Utilization Technology of Unconventional Water of Gansu Province, Gansu Academy of Membrane Science and Technology, Lanzhou, Gansu, 730020, China
| | - Xiaohong Xing
- Key Laboratory for Resources Utilization Technology of Unconventional Water of Gansu Province, Gansu Academy of Membrane Science and Technology, Lanzhou, Gansu, 730020, China
| | - Jianwei Yue
- Key Laboratory for Resources Utilization Technology of Unconventional Water of Gansu Province, Gansu Academy of Membrane Science and Technology, Lanzhou, Gansu, 730020, China
| | - Zhongzhong Song
- Key Laboratory for Resources Utilization Technology of Unconventional Water of Gansu Province, Gansu Academy of Membrane Science and Technology, Lanzhou, Gansu, 730020, China
| | - Lan Nan
- Key Laboratory for Resources Utilization Technology of Unconventional Water of Gansu Province, Gansu Academy of Membrane Science and Technology, Lanzhou, Gansu, 730020, China
| | - Su Yujun
- Key Laboratory for Resources Utilization Technology of Unconventional Water of Gansu Province, Gansu Academy of Membrane Science and Technology, Lanzhou, Gansu, 730020, China
| | - Xiangkai Li
- Ministry of Education Key Laboratory of Cell Activities and Stress Adaptations, Lanzhou University, Lanzhou, 730000, Gansu, China.
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Conz A, Salmona M, Diomede L. Effect of Non-Nutritive Sweeteners on the Gut Microbiota. Nutrients 2023; 15:nu15081869. [PMID: 37111090 PMCID: PMC10144565 DOI: 10.3390/nu15081869] [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: 03/20/2023] [Revised: 04/05/2023] [Accepted: 04/11/2023] [Indexed: 04/29/2023] Open
Abstract
The human gut microbiota, a complex community of microorganisms living in the digestive tract, consists of more than 1500 species distributed in more than 50 different phyla, with 99% of bacteria coming from about 30-40 species. The colon alone, which contains the largest population of the diverse human microbiota, can harbor up to 100 trillion bacteria. The gut microbiota is essential in maintaining normal gut physiology and health. Therefore, its disruption in humans is often associated with various pathological conditions. Different factors can influence the composition and function of the gut microbiota, including host genetics, age, antibiotic treatments, environment, and diet. The diet has a marked effect, impacting the gut microbiota composition, beneficially or detrimentally, by altering some bacterial species and adjusting the metabolites produced in the gut environment. With the widespread use of non-nutritive sweeteners (NNS) in the diet, recent investigations have focused on their effect on the gut microbiota as a mediator of the potential impact generated by gastrointestinal-related disturbances, such as insulin resistance, obesity, and inflammation. We summarized the results from pre-clinical and clinical studies published over the last ten years that examined the single effects of the most consumed NNS: aspartame, acesulfame-K, sucralose, and saccharin. Pre-clinical studies have given conflicting results for various reasons, including the administration method and the differences in metabolism of the same NNS among the different animal species. A dysbiotic effect of NNS was observed in some human trials, but many other randomized controlled trials reported a lack of significant impacts on gut microbiota composition. These studies differed in the number of subjects involved, their dietary habits, and their lifestyle; all factors related to the baseline composition of gut microbiota and their response to NNS. The scientific community still has no unanimous consensus on the appropriate outcomes and biomarkers that can accurately define the effects of NNS on the gut microbiota.
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Affiliation(s)
- Andrea Conz
- Department of Molecular Biochemistry and Pharmacology, Istituto di Ricerche Farmacologiche Mario Negri IRCCS, Via Mario Negri 2, 20156 Milano, Italy
| | - Mario Salmona
- Department of Molecular Biochemistry and Pharmacology, Istituto di Ricerche Farmacologiche Mario Negri IRCCS, Via Mario Negri 2, 20156 Milano, Italy
| | - Luisa Diomede
- Department of Molecular Biochemistry and Pharmacology, Istituto di Ricerche Farmacologiche Mario Negri IRCCS, Via Mario Negri 2, 20156 Milano, Italy
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Wang Q, Guo H, Mao W, Qian X, Liu Y. The Oral Delivery System of Modified GLP-1 by Probiotics for T2DM. Pharmaceutics 2023; 15:pharmaceutics15041202. [PMID: 37111687 PMCID: PMC10143976 DOI: 10.3390/pharmaceutics15041202] [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: 02/28/2023] [Revised: 04/05/2023] [Accepted: 04/06/2023] [Indexed: 04/29/2023] Open
Abstract
The glucagon-like peptide-1 (GLP-1) is a peptide with incretin activity and plays an important role in glycemic control as well as the improvement of insulin resistance in type 2 diabetes mellitus (T2DM). However, the short half-life of the native GLP-1 in circulation poses difficulties for clinical practice. To improve the proteolytic stability and delivery properties of GLP-1, a protease-resistant modified GLP-1 (mGLP-1) was constructed with added arginine to ensure the structural integrity of the released mGLP-1 in vivo. The model probiotic Lactobacillus plantarum WCFS1 was chosen as the oral delivery vehicle with controllable endogenous genetic tools driven for mGLP-1 secretory constitutive expression. The feasibility of our design was explored in db/db mice which showed an improvement in diabetic symptoms related to decreased pancreatic glucagon, elevated pancreatic β-cell proportion, and increased insulin sensitivity. In conclusion, this study provides a novel strategy for the oral delivery of mGLP-1 and further probiotic transformation.
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Affiliation(s)
- Qing Wang
- School of Pharmacy, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Haixin Guo
- Shanghai TriApex Biotechnology Co., Ltd., Shanghai 201315, China
| | - Wenwei Mao
- School of Pharmacy, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Xiuping Qian
- School of Pharmacy, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Yangang Liu
- School of Pharmacy, Shanghai Jiao Tong University, Shanghai 200240, China
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Xie Z, Zhang G, Liu R, Wang Y, Tsapieva AN, Zhang L, Han J. Heat-Killed Lacticaseibacillus paracasei Repairs Lipopolysaccharide-Induced Intestinal Epithelial Barrier Damage via MLCK/MLC Pathway Activation. Nutrients 2023; 15:nu15071758. [PMID: 37049598 PMCID: PMC10097264 DOI: 10.3390/nu15071758] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Revised: 03/30/2023] [Accepted: 03/31/2023] [Indexed: 04/14/2023] Open
Abstract
Intestinal epithelial barrier function is closely associated with the development of many intestinal diseases. Heat-killed Lacticaseibacillus paracasei (HK-LP) has been shown to improve intestinal health and enhance immunity. However, the function of HK-LP in the intestinal barrier is still unclear. This study characterized the inflammatory effects of seven HK-LP (1 μg/mL) on the intestinal barrier using lipopolysaccharide (LPS) (100 μg/mL)-induced Caco-2 cells. In this study, HK-LP 6105, 6115, and 6235 were selected, and their effects on the modulation of inflammatory factors and tight junction protein expression (claudin-1, zona occludens-1, and occludin) were compared. The effect of different cultivation times (18 and 48 h) was investigated in response to LPS-induced intestinal epithelial barrier dysfunction. Our results showed that HK-LP 6105, 6115, and 6235 improved LPS-induced intestinal barrier permeability reduction and transepithelial resistance. Furthermore, HK-LP 6105, 6115, and 6235 inhibited the pro-inflammatory factors (TNF-α, IL-1β, IL-6) and increased the expression of the anti-inflammatory factors (IL-4, IL-10, and TGF-β). HK-LP 6105, 6115, and 6235 ameliorated the inflammatory response. It inhibited the nuclear factor kappa B (NF-κB) signaling pathway-mediated myosin light chain (MLC)/MLC kinase signaling pathway by downregulating the Toll-like receptor 4 (TLR4)/NF-κB pathway. Thus, the results suggest that HK-LP 6150, 6115, and 6235 may improve intestinal health by regulating inflammation and TJ proteins. Postbiotics produced by these strains exhibit anti-inflammatory properties that can protect the intestinal barrier.
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Affiliation(s)
- Zhixin Xie
- College of Food Science, Northeast Agricultural University, Harbin 150030, China
| | - Gongsheng Zhang
- College of Food Science, Northeast Agricultural University, Harbin 150030, China
| | - Rongxu Liu
- Heilongjiang Green Food Science Research Institute, Harbin 150030, China
| | - Yucong Wang
- College of Food Science, Northeast Agricultural University, Harbin 150030, China
| | - Anna N Tsapieva
- Department of Molecular Microbiology, FSBSI Institute of Experimental Medicine, Acad.,197376 St. Petersburg, Russia
| | - Lili Zhang
- College of Food Science, Northeast Agricultural University, Harbin 150030, China
| | - Jianchun Han
- College of Food Science, Northeast Agricultural University, Harbin 150030, China
- Heilongjiang Green Food Science Research Institute, Harbin 150030, China
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Lama Tamang R, Juritsch AF, Ahmad R, Salomon JD, Dhawan P, Ramer-Tait AE, Singh AB. The diet-microbiota axis: a key regulator of intestinal permeability in human health and disease. Tissue Barriers 2023; 11:2077069. [PMID: 35603609 PMCID: PMC10161950 DOI: 10.1080/21688370.2022.2077069] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2022] [Accepted: 05/07/2022] [Indexed: 01/21/2023] Open
Abstract
The intestinal barrier orchestrates selective permeability to nutrients and metabolites while excluding noxious stimuli. Recent scientific advances establishing a causal role for the gut microbiota in human health outcomes have generated a resurgent interest toward intestinal permeability. Considering the well-established role of the gut barrier in protection against foreign antigens, there is mounting evidence for a causal link between gut permeability and the microbiome in regulating human health. However, an understanding of the dynamic host-microbiota interactions that govern intestinal barrier functions remains poorly defined. Furthermore, the system-level mechanisms by which microbiome-targeted therapies, such as probiotics and prebiotics, simultaneously promote intestinal barrier function and host health remain an area of active investigation. This review summarizes the recent advances in understanding the dynamics of intestinal permeability in human health and its integration with gut microbiota. We further summarize mechanisms by which probiotics/prebiotics influence the gut microbiota and intestinal barrier functions.
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Affiliation(s)
- Raju Lama Tamang
- Department of Biochemistry and Molecular Biology, University of Nebraska Medical Center, Omaha, Nebraska, USA
| | - Anthony F. Juritsch
- Department of Food Science and Technology, University of Nebraska-Lincoln, Lincoln, Nebraska, USA
| | - Rizwan Ahmad
- Department of Biochemistry and Molecular Biology, University of Nebraska Medical Center, Omaha, Nebraska, USA
| | - Jeffrey D. Salomon
- Department of Pediatrics, University of Nebraska Medical Center, Omaha, NE, USA
| | - Punita Dhawan
- Department of Biochemistry and Molecular Biology, University of Nebraska Medical Center, Omaha, Nebraska, USA
- Veterans Affairs Nebraska-Western Iowa Health Care System, Omaha, Nebraska, USA
| | - Amanda E. Ramer-Tait
- Department of Food Science and Technology, University of Nebraska-Lincoln, Lincoln, Nebraska, USA
| | - Amar B. Singh
- Department of Biochemistry and Molecular Biology, University of Nebraska Medical Center, Omaha, Nebraska, USA
- Veterans Affairs Nebraska-Western Iowa Health Care System, Omaha, Nebraska, USA
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Farsi DN, Gallegos JL, Koutsidis G, Nelson A, Finnigan TJA, Cheung W, Muñoz-Muñoz JL, Commane DM. Substituting meat for mycoprotein reduces genotoxicity and increases the abundance of beneficial microbes in the gut: Mycomeat, a randomised crossover control trial. Eur J Nutr 2023; 62:1479-1492. [PMID: 36651990 PMCID: PMC10030420 DOI: 10.1007/s00394-023-03088-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2022] [Accepted: 01/06/2023] [Indexed: 01/19/2023]
Abstract
PURPOSE The high-meat, low-fibre Western diet is strongly associated with colorectal cancer risk. Mycoprotein, produced from Fusarium venanatum, has been sold as a high-fibre alternative to meat for decades. Hitherto, the effects of mycoprotein in the human bowel have not been well considered. Here, we explored the effects of replacing a high red and processed meat intake with mycoprotein on markers of intestinal genotoxicity and gut health. METHODS Mycomeat (clinicaltrials.gov NCT03944421) was an investigator-blind, randomised, crossover dietary intervention trial. Twenty healthy male adults were randomised to consume 240 g day-1 red and processed meat for 2 weeks, with crossover to 2 weeks 240 g day-1 mycoprotein, separated by a 4-week washout period. Primary end points were faecal genotoxicity and genotoxins, while secondary end points comprised changes in gut microbiome composition and activity. RESULTS The meat diet increased faecal genotoxicity and nitroso compound excretion, whereas the weight-matched consumption of mycoprotein decreased faecal genotoxicity and nitroso compounds. In addition, meat intake increased the abundance of Oscillobacter and Alistipes, whereas mycoprotein consumption increased Lactobacilli, Roseburia and Akkermansia, as well as the excretion of short chain fatty acids. CONCLUSION Replacing red and processed meat with the Fusarium-based meat alternative, mycoprotein, significantly reduces faecal genotoxicity and genotoxin excretion and increases the abundance of microbial genera with putative health benefits in the gut. This work demonstrates that mycoprotein may be a beneficial alternative to meat within the context of gut health and colorectal cancer prevention.
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Affiliation(s)
- Dominic N Farsi
- Department of Applied Sciences, University of Northumbria, Newcastle, UK.
| | - Jose Lara Gallegos
- Department of Applied Sciences, University of Northumbria, Newcastle, UK
| | - Georgios Koutsidis
- Department of Applied Sciences, University of Northumbria, Newcastle, UK
| | - Andrew Nelson
- Department of Applied Sciences, University of Northumbria, Newcastle, UK
| | | | - William Cheung
- Department of Applied Sciences, University of Northumbria, Newcastle, UK
| | - Jose L Muñoz-Muñoz
- Department of Applied Sciences, University of Northumbria, Newcastle, UK
| | - Daniel M Commane
- Department of Applied Sciences, University of Northumbria, Newcastle, UK
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A Novel Synbiotic Alleviates Autoimmune Hepatitis by Modulating the Gut Microbiota-Liver Axis and Inhibiting the Hepatic TLR4/NF-κB/NLRP3 Signaling Pathway. mSystems 2023; 8:e0112722. [PMID: 36794950 PMCID: PMC10134874 DOI: 10.1128/msystems.01127-22] [Citation(s) in RCA: 17] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/17/2023] Open
Abstract
Autoimmune hepatitis (AIH) is a liver disease characterized by chronic liver inflammation. The intestinal barrier and microbiome play critical roles in AIH progression. AIH treatment remains challenging because first-line drugs have limited efficacy and many side effects. Thus, there is growing interest in developing synbiotic therapies. This study investigated the effects of a novel synbiotic in an AIH mouse model. We found that this synbiotic (Syn) ameliorated liver injury and improved liver function by reducing hepatic inflammation and pyroptosis. The Syn reversed gut dysbiosis, as indicated by an increase in beneficial bacteria (e.g., Rikenella and Alistipes) and a decrease in potentially harmful bacteria (e.g., Escherichia-Shigella) and lipopolysaccharide (LPS)-bearing Gram-negative bacterial levels. The Syn maintained intestinal barrier integrity, reduced LPS, and inhibited the TLR4/NF-κB and NLRP3/Caspase-1 signaling pathway. In addition, microbiome phenotype prediction by BugBase and bacterial functional potential prediction using Phylogenetic Investigation of Communities by Reconstruction of Unobserved States (PICRUSt) showed that Syn improved gut microbiota function involving inflammatory injury, metabolism, immune response, and pathopoiesia. Furthermore, the new Syn was as effective as prednisone against AIH. Therefore, this novel Syn could be a candidate drug for alleviating AIH through its anti-inflammatory and antipyroptosis properties that relieve endothelial dysfunction and gut dysbiosis. IMPORTANCE Synbiotics can ameliorate liver injury and improve liver function by reducing hepatic inflammation and pyroptosis. Our data indicate that our new Syn not only reverses gut dysbiosis by increasing beneficial bacteria and decreasing lipopolysaccharide (LPS)-bearing Gram-negative bacteria but also maintains intestinal barrier integrity. Thus, its mechanism might be associated with modulating gut microbiota composition and intestinal barrier function by inhibiting the TLR4/NF-κB/NLRP3/pyroptosis signaling pathway in the liver. This Syn is as effective as prednisone in treating AIH without side effects. Based on these findings, this novel Syn represents a potential therapeutic agent for AIH in clinical practice.
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Interaction between gut microbiota and sex hormones and their relation to sexual dimorphism in metabolic diseases. Biol Sex Differ 2023; 14:4. [PMID: 36750874 PMCID: PMC9903633 DOI: 10.1186/s13293-023-00490-2] [Citation(s) in RCA: 23] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/11/2022] [Accepted: 01/30/2023] [Indexed: 02/09/2023] Open
Abstract
Metabolic diseases, such as obesity, metabolic syndrome (MetS) and type 2 diabetes (T2D), are now a widespread pandemic in the developed world. These pathologies show sex differences in their development and prevalence, and sex steroids, mainly estrogen and testosterone, are thought to play a prominent role in this sexual dimorphism. The influence of sex hormones on these pathologies is not only reflected in differences between men and women, but also between women themselves, depending on the hormonal changes associated with the menopause. The observed sex differences in gut microbiota composition have led to multiple studies highlighting the interaction between steroid hormones and the gut microbiota and its influence on metabolic diseases, ultimately pointing to a new therapy for these diseases based on the manipulation of the gut microbiota. This review aims to shed light on the role of sexual hormones in sex differences in the development and prevalence of metabolic diseases, focusing on obesity, MetS and T2D. We focus also the interaction between sex hormones and the gut microbiota, and in particular the role of microbiota in aspects such as gut barrier integrity, inflammatory status, and the gut-brain axis, given the relevance of these factors in the development of metabolic diseases.
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Gao X, Yu J, Chang L, Wang Y, Sun X, Mu G, Qian F. In vitro antibacterial activity of Bacillus coagulans T242 on Caco-2 cells infected with Salmonella Typhimurium. FOOD BIOSCI 2023. [DOI: 10.1016/j.fbio.2023.102512] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/27/2023]
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47
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Dugan B, Conway J, Duggal NA. Inflammaging as a target for healthy ageing. Age Ageing 2023; 52:7024516. [PMID: 36735849 DOI: 10.1093/ageing/afac328] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2022] [Revised: 11/11/2022] [Indexed: 02/05/2023] Open
Abstract
Life expectancy has been on the rise for the past few decades, but healthy life expectancy has not kept pace, leading to a global burden of age-associated disorders. Advancing age is accompanied by a chronic increase in basal systemic inflammation, termed inflammaging, contributing towards an increased risk of developing chronic diseases in old age. This article reviews the recent literature to formulate hypotheses regarding how age-associated inflammaging plays a crucial role in driving chronic diseases and ill health in older adults. Here, we discuss how non-pharmacological intervention strategies (diet, nutraceutical supplements, phytochemicals, physical activity, microbiome-based therapies) targeting inflammaging restore health in older adults. We also consider alternative existing pharmacological interventions (Caloric restriction mimetics, p38 mitogen-activated protein kinase inhibitors) and explore novel targets (senolytics) aimed at combating inflammaging and optimising the ageing process to increase healthy lifespan.
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Affiliation(s)
- Ben Dugan
- Institute of Inflammation and Ageing, University of Birmingham, Birmingham, UK.,MRC Versus Arthritis Centre for Musculoskeletal Ageing Research, University of Birmingham, Birmingham, UK
| | - Jessica Conway
- Institute of Inflammation and Ageing, University of Birmingham, Birmingham, UK.,MRC Versus Arthritis Centre for Musculoskeletal Ageing Research, University of Birmingham, Birmingham, UK
| | - Niharika A Duggal
- Institute of Inflammation and Ageing, University of Birmingham, Birmingham, UK.,MRC Versus Arthritis Centre for Musculoskeletal Ageing Research, University of Birmingham, Birmingham, UK
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Sarkar VK, De UK, Kala A, Verma AK, Chauhan A, Paul BR, Soni S, Gandhar JS, Chaudhuri P, Patra MK, Eregowda CG, Gaur GK. Early-Life Intervention of Lactoferrin and Probiotic in Suckling Piglets: Effects on Immunoglobulins, Intestinal Integrity, and Neonatal Mortality. Probiotics Antimicrob Proteins 2023; 15:149-159. [PMID: 35793035 DOI: 10.1007/s12602-022-09964-y] [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] [Accepted: 06/09/2022] [Indexed: 01/18/2023]
Abstract
The aim of this study was to determine the effects of early-life bovine lactoferrin and host specific probiotic interventions on growth performance, mortality, and concentrations of immunoglobulin A and immunoglobulin G and transforming growth factor beta 1 (a marker of intestinal integrity) in serum of neonatal piglets. A total of eight piglet litters from parity matched sows were randomly divided into four groups and assigned to one of the four interventions: control (sterile normal saline), bovine lactoferrin (100 mg bovine lactoferrin), probiotic (1 × 109 colony forming unit (cfu) of swine origin Pediococcus acidilactici FT28 probiotic), and bovine lactoferrin + probiotic (100 mg bovine lactoferrin and 1 × 109 CFU of P. acidilactici FT28 probiotic). All the interventions were given once daily through oral route for first 7 days of life. The average daily gain (p = 0.0004) and weaning weight (p < 0.0001) were significantly improved in the probiotic group. The piglet survivability was significantly higher in bovine lactoferrin and probiotic groups than control group in Log-rank (Mantel-Cox) test. The concentrations of immunoglobulin A on day 21 in bovine lactoferrin, probiotic, and bovine lactoferrin + probiotic groups increased significantly (p < 0.05). Immunoglobulin G concentrations on day 7 and 15 in bovine lactoferrin and bovine lactoferrin + probiotic groups and on day 15 in probiotic group were significantly (p < 0.05) elevated, whereas, the concentration of transforming growth factor-β1 was significantly (p < 0.05) increased from day 7 to 21 in all the supplemented groups. In conclusion, the early-life bovine lactoferrin and P. acidilactici FT28 probiotic interventions reduced the mortality in the suckling piglets by promoting the systemic immunity and enhancing the intestinal integrity.
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Affiliation(s)
- Varun Kumar Sarkar
- Division of Medicine, ICAR-Indian Veterinary Research Institute, Izatnagar, 243122 (UP), India
| | - Ujjwal Kumar De
- Division of Medicine, ICAR-Indian Veterinary Research Institute, Izatnagar, 243122 (UP), India.
| | - Anju Kala
- Division of Animal Nutrition, ICAR-Indian Veterinary Research Institute, Izatnagar, 243122 (UP), India
| | - Ashok Kumar Verma
- Division of Animal Nutrition, ICAR-Indian Veterinary Research Institute, Izatnagar, 243122 (UP), India
| | - Anuj Chauhan
- Livestock Production and Management Section, ICAR-Indian Veterinary Research Institute, Izatnagar, 243122 (UP), India
| | - Babul Rudra Paul
- Division of Medicine, ICAR-Indian Veterinary Research Institute, Izatnagar, 243122 (UP), India
| | - Srishti Soni
- Division of Medicine, ICAR-Indian Veterinary Research Institute, Izatnagar, 243122 (UP), India
| | - Jitendra Singh Gandhar
- Division of Medicine, ICAR-Indian Veterinary Research Institute, Izatnagar, 243122 (UP), India
| | - Pallab Chaudhuri
- Division of Biological Products, ICAR-Indian Veterinary Research Institute, Izatnagar, 243122 (UP), India
| | - Manas Kumar Patra
- Livestock Production and Management Section, ICAR-Indian Veterinary Research Institute, Izatnagar, 243122 (UP), India
| | - Chethan Gollahalli Eregowda
- Department of Veterinary Medicine, College of Veterinary Sciences and Animal Husbandry, Central Agriculture University, Selesih, Aizawl, 796014, Mizoram, India
| | - Gyanendra Kumar Gaur
- Livestock Production and Management Section, ICAR-Indian Veterinary Research Institute, Izatnagar, 243122 (UP), India
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Casula E, Pisano MB, Serreli G, Zodio S, Melis MP, Corona G, Costabile A, Cosentino S, Deiana M. Probiotic lactobacilli attenuate oxysterols-induced alteration of intestinal epithelial cell monolayer permeability: Focus on tight junction modulation. Food Chem Toxicol 2023; 172:113558. [PMID: 36528245 DOI: 10.1016/j.fct.2022.113558] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2022] [Revised: 12/07/2022] [Accepted: 12/12/2022] [Indexed: 12/16/2022]
Abstract
Oxidative stress and inflammation lead by dietary oxidised lipids, as oxysterols, have been linked to the loss of intestinal barrier integrity, a crucial event in the initiation and progression of intestinal disorders. In the last decade, probiotic lactobacilli have emerged as an interesting tool to improve intestinal health, thanks to their antioxidant and anti-inflammatory properties. The aim of the present study was to evaluate the ability of two commercial probiotic strains of lactobacilli (Lactiplantibacillus plantarum 299v® (DMS 9843) and Lacticaseibacillus casei DG® (CNCMI-1572)), both as live bacteria and intracellular content, to attenuate the oxysterols-induced alteration of intestinal epithelial Caco-2 cell monolayer permeability. Our investigation was focused on the modulation of tight junctions (TJs) proteins, occludin, ZO-1 and JAM-A, in relation to redox-sensitive MAPK p38 activation. Obtained results provided evidence on the ability of the two probiotics to counteract the alteration of monolayer permeability and loss of TJs proteins, at least in part, through the modulation of p38 pathway. The protective action was exerted by live bacteria, whose adhesion to Caco-2 cells was not altered by oxysterols, and bacterial intracellular components equally able to interact with the signaling pathway.
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Affiliation(s)
- Emanuela Casula
- Department of Biomedical Sciences, University of Cagliari, Monserrato, 09042, Cagliari, Italy
| | - Maria Barbara Pisano
- Department of Medical Sciences and Public Health, University of Cagliari, Monserrato, 09042, Cagliari, Italy
| | - Gabriele Serreli
- Department of Biomedical Sciences, University of Cagliari, Monserrato, 09042, Cagliari, Italy.
| | - Sonia Zodio
- Department of Biomedical Sciences, University of Cagliari, Monserrato, 09042, Cagliari, Italy
| | - Maria Paola Melis
- Department of Biomedical Sciences, University of Cagliari, Monserrato, 09042, Cagliari, Italy
| | - Giulia Corona
- School of Life and Health Sciences, University of Roehampton, London, SW15 4JD, UK
| | - Adele Costabile
- School of Life and Health Sciences, University of Roehampton, London, SW15 4JD, UK
| | - Sofia Cosentino
- Department of Medical Sciences and Public Health, University of Cagliari, Monserrato, 09042, Cagliari, Italy.
| | - Monica Deiana
- Department of Biomedical Sciences, University of Cagliari, Monserrato, 09042, Cagliari, Italy
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50
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McArthur S. Regulation of Physiological Barrier Function by the Commensal Microbiota. Life (Basel) 2023; 13:life13020396. [PMID: 36836753 PMCID: PMC9964120 DOI: 10.3390/life13020396] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2023] [Revised: 01/27/2023] [Accepted: 01/29/2023] [Indexed: 02/04/2023] Open
Abstract
A fundamental characteristic of living organisms is their ability to separate the internal and external environments, a function achieved in large part through the different physiological barrier systems and their component junctional molecules. Barrier integrity is subject to multiple influences, but one that has received comparatively little attention to date is the role of the commensal microbiota. These microbes, which represent approximately 50% of the cells in the human body, are increasingly recognized as powerful physiological modulators in other systems, but their role in regulating barrier function is only beginning to be addressed. Through comparison of the impact commensal microbes have on cell-cell junctions in three exemplar physiological barriers-the gut epithelium, the epidermis and the blood-brain barrier-this review will emphasize the important contribution microbes and microbe-derived mediators play in governing barrier function. By extension, this will highlight the critical homeostatic role of commensal microbes, as well as identifying the puzzles and opportunities arising from our steadily increasing knowledge of this aspect of physiology.
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Affiliation(s)
- Simon McArthur
- Institute of Dentistry, Faculty of Medicine & Dentistry, Queen Mary University of London, Blizard Institute, 4, Newark Street, London E1 2AT, UK
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