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Lin Z, Luo W, Zhang K, Dai S. Environmental and Microbial Factors in Inflammatory Bowel Disease Model Establishment: A Review Partly through Mendelian Randomization. Gut Liver 2024; 18:370-390. [PMID: 37814898 PMCID: PMC11096900 DOI: 10.5009/gnl230179] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/21/2023] [Revised: 07/09/2023] [Accepted: 07/24/2023] [Indexed: 10/11/2023] Open
Abstract
Inflammatory bowel disease (IBD) is a complex condition resulting from environmental, microbial, immunologic, and genetic factors. With the advancement of Mendelian randomization research in IBD, we have gained new insights into the relationship between these factors and IBD. Many animal models of IBD have been developed using different methods, but few studies have attempted to model IBD by combining environmental factors and microbial factors. In this review, we examine how environmental factors and microbial factors affect the development and progression of IBD, and how they interact with each other and with the intestinal microbiota. We also summarize the current methods for creating animal models of IBD and compare their advantages and disadvantages. Based on the latest findings from Mendelian randomization studies on the role of environmental factors in IBD, we discuss which environmental and microbial factors could be used to construct a more realistic and reliable IBD experimental model. We propose that animal models of IBD should consider both environmental and microbial factors to better mimic human IBD pathogenesis and to reveal the underlying mechanisms of IBD at the immune and genetic levels. We highlight the importance of environmental and microbial factors in IBD pathogenesis and offer new perspectives and suggestions for improving experimental animal modeling. Our goal is to create a model that closely resembles the clinical picture of IBD.
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Affiliation(s)
- Zesheng Lin
- The First Clinical Medical School, Southern Medical University, Guangzhou, China
| | - Wenjing Luo
- The Second Clinical Medical School, Southern Medical University, Guangzhou, China
| | - Kaijun Zhang
- Department of Gastroenterology, Guangdong Provincial Geriatrics Institute, Guangzhou, ChinaNational Key Clinical Specialty, Guangdong Provincial People's Hospital (Guangdong Academy of Medical Sciences), Southern Medical University, Guangzhou, China
| | - Shixue Dai
- Department of Gastroenterology, Guangdong Provincial Geriatrics Institute, Guangzhou, ChinaNational Key Clinical Specialty, Guangdong Provincial People's Hospital (Guangdong Academy of Medical Sciences), Southern Medical University, Guangzhou, China
- Department of Gastroenterology, Geriatric Center, National Regional Medical Center, Ganzhou Hospital Affiliated to Guangdong Provincial People's Hospital (Guangdong Academy of Medical Sciences), Southern Medical University, Ganzhou, China
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de Moura e Dias M, da Silva Duarte V, Mota LFM, de Cássia Ávila Alpino G, dos Reis Louzano SA, da Conceição LL, Mantovanie HC, Pereira SS, Oliveira LL, de Oliveira Mendes TA, Porcellato D, do Carmo Gouveia Peluzio M. Lactobacillus gasseri LG-G12 Restores Gut Microbiota and Intestinal Health in Obesity Mice on Ceftriaxone Therapy. Foods 2023; 12:foods12051092. [PMID: 36900609 PMCID: PMC10001121 DOI: 10.3390/foods12051092] [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: 12/20/2022] [Revised: 02/11/2023] [Accepted: 02/23/2023] [Indexed: 03/08/2023] Open
Abstract
Gut microbiota imbalance is associated with the occurrence of metabolic diseases such as obesity. Thus, its modulation is a promising strategy to restore gut microbiota and improve intestinal health in the obese. This paper examines the role of probiotics, antimicrobials, and diet in modulating gut microbiota and improving intestinal health. Accordingly, obesity was induced in C57BL/6J mice, after which they were redistributed and fed with an obesogenic diet (intervention A) or standard AIN-93 diet (intervention B). Concomitantly, all the groups underwent a treatment phase with Lactobacillus gasseri LG-G12, ceftriaxone, or ceftriaxone followed by L. gasseri LG-G12. At the end of the experimental period, the following analysis was conducted: metataxonomic analysis, functional profiling of gut microbiota, intestinal permeability, and caecal concentration of short-chain fatty acids. High-fat diet impaired bacterial diversity/richness, which was counteracted in association with L. gasseri LG-G12 and the AIN-93 diet. Additionally, SCFA-producing bacteria were negatively correlated with high intestinal permeability parameters, which was further confirmed via functional profile prediction of the gut microbiota. A novel perspective on anti-obesity probiotics is presented by these findings based on the improvement of intestinal health irrespective of undergoing antimicrobial therapy or not.
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Affiliation(s)
- Mariana de Moura e Dias
- Department of Nutrition and Health, Universidade Federal de Vicosa, Avenida P. H. Rolfs, Campus Universitário S/N, Viçosa 36570-900, Minas Gerais, Brazil
| | - Vinícius da Silva Duarte
- Faculty of Chemistry, Biotechnology, and Food Science, The Norwegian University of Life Sciences, P.O. Box 5003, N-1432 Ås, Norway
- Correspondence:
| | - Lúcio Flávio Macedo Mota
- Department of Agronomy Food Natural Resources Animals and Environment, University of Padova, Viale dell’Università, 16, 35020 Padua, Italy
| | - Gabriela de Cássia Ávila Alpino
- Department of Nutrition and Health, Universidade Federal de Vicosa, Avenida P. H. Rolfs, Campus Universitário S/N, Viçosa 36570-900, Minas Gerais, Brazil
| | - Sandra Aparecida dos Reis Louzano
- Department of Nutrition and Health, Universidade Federal de Vicosa, Avenida P. H. Rolfs, Campus Universitário S/N, Viçosa 36570-900, Minas Gerais, Brazil
| | - Lisiane Lopes da Conceição
- Department of Nutrition and Health, Universidade Federal de Vicosa, Avenida P. H. Rolfs, Campus Universitário S/N, Viçosa 36570-900, Minas Gerais, Brazil
| | - Hilário Cuquetto Mantovanie
- Department of Microbiology, Universidade Federal de Vicosa, Avenida P. H. Rolfs, Campus Universitário S/N, Viçosa 36570-900, Minas Gerais, Brazil
| | - Solange Silveira Pereira
- Department of Nutrition and Health, Universidade Federal de Vicosa, Avenida P. H. Rolfs, Campus Universitário S/N, Viçosa 36570-900, Minas Gerais, Brazil
| | - Leandro Licursi Oliveira
- Department of General Biology, Universidade Federal de Vicosa, Avenida P. H. Rolfs, Campus Universitário S/N, Viçosa 36570-900, Minas Gerais, Brazil
| | - Tiago Antônio de Oliveira Mendes
- Department of Biochemistry and Molecular Biology, Universidade Federal de Vicosa, Avenida P. H. Rolfs, Campus Universitário S/N, Viçosa 36570-900, Minas Gerais, Brazil
| | - Davide Porcellato
- Faculty of Chemistry, Biotechnology, and Food Science, The Norwegian University of Life Sciences, P.O. Box 5003, N-1432 Ås, Norway
| | - Maria do Carmo Gouveia Peluzio
- Department of Nutrition and Health, Universidade Federal de Vicosa, Avenida P. H. Rolfs, Campus Universitário S/N, Viçosa 36570-900, Minas Gerais, Brazil
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Maes M, Al-Rubaye HT, Almulla AF, Al-Hadrawi DS, Stoyanova K, Kubera M, Al-Hakeim HK. Lowered Quality of Life in Long COVID Is Predicted by Affective Symptoms, Chronic Fatigue Syndrome, Inflammation and Neuroimmunotoxic Pathways. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:10362. [PMID: 36011997 PMCID: PMC9408685 DOI: 10.3390/ijerph191610362] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/26/2022] [Revised: 08/15/2022] [Accepted: 08/17/2022] [Indexed: 06/15/2023]
Abstract
The physio-affective phenome of Long COVID-19 is predicted by (a) immune-inflammatory biomarkers of the acute infectious phase, including peak body temperature (PBT) and oxygen saturation (SpO2), and (b) the subsequent activation of immune and oxidative stress pathways during Long COVID. The purpose of this study was to delineate the effects of PBT and SpO2 during acute infection, as well as the increased neurotoxicity on the physical, psychological, social and environmental domains of health-related quality of life (HR-QoL) in people with Long COVID. We recruited 86 participants with Long COVID and 39 normal controls, assessed the WHO-QoL-BREF (World Health Organization Quality of Life Instrument-Abridged Version, Geneva, Switzerland) and the physio-affective phenome of Long COVID (comprising depression, anxiety and fibromyalgia-fatigue rating scales) and measured PBT and SpO2 during acute infection, and neurotoxicity (NT, comprising serum interleukin (IL)-1β, IL-18 and caspase-1, advanced oxidation protein products and myeloperoxidase, calcium and insulin resistance) in Long COVID. We found that 70.3% of the variance in HR-QoL was explained by the regression on the physio-affective phenome, lowered calcium and increased NT, whilst 61.5% of the variance in the physio-affective phenome was explained by calcium, NT, increased PBT, lowered SpO2, female sex and vaccination with AstraZeneca and Pfizer. The effects of PBT and SpO2 on lowered HR-QoL were mediated by increased NT and lowered calcium yielding increased severity of the physio-affective phenome which largely affects HR-QoL. In conclusion, lowered HR-Qol in Long COVID is largely predicted by the severity of neuro-immune and neuro-oxidative pathways during acute and Long COVID.
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Affiliation(s)
- Michael Maes
- Department of Psychiatry, Faculty of Medicine, Chulalongkorn University, Bangkok 10330, Thailand
- Department of Psychiatry, Medical University of Plovdiv, 4002 Plovdiv, Bulgaria
- Research Institute, Medical University Plovdiv, 4002 Plovdiv, Bulgaria
- School of Medicine, Barwon Health, IMPACT, The Institute for Mental and Physical Health and Clinical Translation, Deakin University, Geelong 3217, Australia
| | | | - Abbas F. Almulla
- Department of Psychiatry, Faculty of Medicine, Chulalongkorn University, Bangkok 10330, Thailand
- Medical Laboratory Technology Department, College of Medical Technology, The Islamic University, Najaf 54001, Iraq
| | | | - Kristina Stoyanova
- Department of Psychiatry, Medical University of Plovdiv, 4002 Plovdiv, Bulgaria
- Research Institute, Medical University Plovdiv, 4002 Plovdiv, Bulgaria
| | - Marta Kubera
- Laboratory of Immunoendocrinology, Department of Experimental Neuroendocrinology, Maj Institute of Pharmacology, Polish Academy of Sciences, 12 Smetna St., 31-343 Krakow, Poland
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Repetitive transcranial direct current stimulation modulates the brain-gut-microbiome axis in obese rodents. Pharmacol Rep 2022; 74:871-889. [PMID: 35945482 PMCID: PMC9585011 DOI: 10.1007/s43440-022-00401-z] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2022] [Revised: 07/20/2022] [Accepted: 07/26/2022] [Indexed: 11/23/2022]
Abstract
Background Complex interactions between the brain, gut and adipose tissue allow to recognize obesity as a neurometabolic disorder. The recent data have shown that gut microbiota can play a potential role in obesity development. Transcranial direct current stimulation (tDCS) is a safe and non-invasive technique to modulate the activity of cerebral cortex and other connected brain areas also in context of appetite control. The objective of this study was to evaluate the effects of repetitive anodal tDCS (AtDCS) of prefrontal cortex on feeding behavior, metabolic status and selected phyla of gut microbiota in rats with obesity induced by high-calorie diet (HCD). Methods 32 female Wistar rats were equally divided into 4 subgroups depending on diet effect (lean versus obese) and type of stimulation (active versus sham tDCS versus no stimulation). Feed intake, body weight, blood lipoproteins and leptin levels as well as Firmicutes and Bacteroidetes in intestines and stool were examined. Results HCD changed feeding behavior and metabolic parameters typically for obesity-related ranges and resulted in an abundance of Firmicutes at the expanse of Bacteroidetes in the large intestine and stool. AtDCS decreased appetite, body weight, and cholesterol levels. In addition, AtDCS reduced ratio of the average number of Firmicutes to average number of Bacteroidetes in all examined tissues. Conclusions Repetitive AtDCS is not only effective for appetite restriction but can also modulate gut microbiome composition which demonstrates the existence of the brain–gut–microbiome axis and points at this technique as a promising complementary treatment for obesity. However, the effects should be further replicated in human studies.
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