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Boles JS, Krueger ME, Jernigan JE, Cole CL, Neighbarger NK, Uriarte Huarte O, Tansey MG. A leaky gut dysregulates gene networks in the brain associated with immune activation, oxidative stress, and myelination in a mouse model of colitis. Brain Behav Immun 2024; 117:473-492. [PMID: 38341052 DOI: 10.1016/j.bbi.2024.02.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/12/2023] [Revised: 01/23/2024] [Accepted: 02/04/2024] [Indexed: 02/12/2024] Open
Abstract
The gut and brain are increasingly linked in human disease, with neuropsychiatric conditions classically attributed to the brain showing an involvement of the intestine and inflammatory bowel diseases (IBDs) displaying an ever-expanding list of neurological comorbidities. To identify molecular systems that underpin this gut-brain connection and thus discover therapeutic targets, experimental models of gut dysfunction must be evaluated for brain effects. In the present study, we examine disturbances along the gut-brain axis in a widely used murine model of colitis, the dextran sodium sulfate (DSS) model, using high-throughput transcriptomics and an unbiased network analysis strategy coupled with standard biochemical outcome measures to achieve a comprehensive approach to identify key disease processes in both colon and brain. We examine the reproducibility of colitis induction with this model and its resulting genetic programs during different phases of disease, finding that DSS-induced colitis is largely reproducible with a few site-specific molecular features. We focus on the circulating immune system as the intermediary between the gut and brain, which exhibits an activation of pro-inflammatory innate immunity during colitis. Our unbiased transcriptomics analysis provides supporting evidence for immune activation in the brain during colitis, suggests that myelination may be a process vulnerable to increased intestinal permeability, and identifies a possible role for oxidative stress and brain oxygenation. Overall, we provide a comprehensive evaluation of multiple systems in a prevalent experimental model of intestinal permeability, which will inform future studies using this model and others, assist in the identification of druggable targets in the gut-brain axis, and contribute to our understanding of the concomitance of intestinal and neuropsychiatric dysfunction.
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Affiliation(s)
- Jake Sondag Boles
- Department of Neuroscience, College of Medicine, University of Florida, Gainesville, FL, USA; Center for Translational Research in Neurodegenerative Disease, College of Medicine, University of Florida, Gainesville, FL, USA; McKnight Brain Institute, University of Florida, Gainesville, FL, USA.
| | - Maeve E Krueger
- Department of Neuroscience, College of Medicine, University of Florida, Gainesville, FL, USA; Center for Translational Research in Neurodegenerative Disease, College of Medicine, University of Florida, Gainesville, FL, USA; McKnight Brain Institute, University of Florida, Gainesville, FL, USA
| | - Janna E Jernigan
- Department of Neuroscience, College of Medicine, University of Florida, Gainesville, FL, USA; Center for Translational Research in Neurodegenerative Disease, College of Medicine, University of Florida, Gainesville, FL, USA; McKnight Brain Institute, University of Florida, Gainesville, FL, USA; Aligning Science Across Parkinson's (ASAP) Collaborative Research Network, Chevy Chase, MD, USA
| | - Cassandra L Cole
- Department of Neuroscience, College of Medicine, University of Florida, Gainesville, FL, USA; Center for Translational Research in Neurodegenerative Disease, College of Medicine, University of Florida, Gainesville, FL, USA; McKnight Brain Institute, University of Florida, Gainesville, FL, USA
| | - Noelle K Neighbarger
- Department of Neuroscience, College of Medicine, University of Florida, Gainesville, FL, USA; Center for Translational Research in Neurodegenerative Disease, College of Medicine, University of Florida, Gainesville, FL, USA; McKnight Brain Institute, University of Florida, Gainesville, FL, USA
| | - Oihane Uriarte Huarte
- Department of Neuroscience, College of Medicine, University of Florida, Gainesville, FL, USA; Center for Translational Research in Neurodegenerative Disease, College of Medicine, University of Florida, Gainesville, FL, USA; McKnight Brain Institute, University of Florida, Gainesville, FL, USA
| | - Malú Gámez Tansey
- Department of Neuroscience, College of Medicine, University of Florida, Gainesville, FL, USA; Center for Translational Research in Neurodegenerative Disease, College of Medicine, University of Florida, Gainesville, FL, USA; McKnight Brain Institute, University of Florida, Gainesville, FL, USA; Norman Fixel Institute for Neurological Diseases, University of Florida, Gainesville, FL, USA; Aligning Science Across Parkinson's (ASAP) Collaborative Research Network, Chevy Chase, MD, USA.
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2
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Boles JS, Krueger ME, Jernigan JE, Cole CL, Neighbarger NK, Huarte OU, Tansey MG. A leaky gut dysregulates gene networks in the brain associated with immune activation, oxidative stress, and myelination in a mouse model of colitis. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.08.10.552488. [PMID: 37609290 PMCID: PMC10441416 DOI: 10.1101/2023.08.10.552488] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/24/2023]
Abstract
The gut and brain are increasingly linked in human disease, with neuropsychiatric conditions classically attributed to the brain showing an involvement of the intestine and inflammatory bowel diseases (IBDs) displaying an ever-expanding list of neurological comorbidities. To identify molecular systems that underpin this gut-brain connection and thus discover therapeutic targets, experimental models of gut dysfunction must be evaluated for brain effects. In the present study, we examine disturbances along the gut-brain axis in a widely used murine model of colitis, the dextran sodium sulfate (DSS) model, using high-throughput transcriptomics and an unbiased network analysis strategy coupled with standard biochemical outcome measures to achieve a comprehensive approach to identify key disease processes in both colon and brain. We examine the reproducibility of colitis induction with this model and its resulting genetic programs during different phases of disease, finding that DSS-induced colitis is largely reproducible with a few site-specific molecular features. We focus on the circulating immune system as the intermediary between the gut and brain, which exhibits an activation of pro-inflammatory innate immunity during colitis. Our unbiased transcriptomics analysis provides supporting evidence for immune activation in the brain during colitis, suggests that myelination may be a process vulnerable to increased intestinal permeability, and identifies a possible role for oxidative stress and brain oxygenation. Overall, we provide a comprehensive evaluation of multiple systems in a prevalent experimental model of intestinal permeability, which will inform future studies using this model and others, assist in the identification of druggable targets in the gut-brain axis, and contribute to our understanding of the concomitance of intestinal and neuropsychiatric dysfunction.
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Affiliation(s)
- Jake Sondag Boles
- Department of Neuroscience, College of Medicine, University of Florida, Gainesville, FL, USA
- Center for Translational Research in Neurodegenerative Disease, College of Medicine, University of Florida, Gainesville, FL, USA
- McKnight Brain Institute, University of Florida, Gainesville, FL, USA
| | - Maeve E. Krueger
- Department of Neuroscience, College of Medicine, University of Florida, Gainesville, FL, USA
- Center for Translational Research in Neurodegenerative Disease, College of Medicine, University of Florida, Gainesville, FL, USA
- McKnight Brain Institute, University of Florida, Gainesville, FL, USA
| | - Janna E. Jernigan
- Department of Neuroscience, College of Medicine, University of Florida, Gainesville, FL, USA
- Center for Translational Research in Neurodegenerative Disease, College of Medicine, University of Florida, Gainesville, FL, USA
- McKnight Brain Institute, University of Florida, Gainesville, FL, USA
| | - Cassandra L. Cole
- Department of Neuroscience, College of Medicine, University of Florida, Gainesville, FL, USA
- Center for Translational Research in Neurodegenerative Disease, College of Medicine, University of Florida, Gainesville, FL, USA
- McKnight Brain Institute, University of Florida, Gainesville, FL, USA
| | - Noelle K. Neighbarger
- Department of Neuroscience, College of Medicine, University of Florida, Gainesville, FL, USA
- Center for Translational Research in Neurodegenerative Disease, College of Medicine, University of Florida, Gainesville, FL, USA
- McKnight Brain Institute, University of Florida, Gainesville, FL, USA
| | - Oihane Uriarte Huarte
- Department of Neuroscience, College of Medicine, University of Florida, Gainesville, FL, USA
- Center for Translational Research in Neurodegenerative Disease, College of Medicine, University of Florida, Gainesville, FL, USA
- McKnight Brain Institute, University of Florida, Gainesville, FL, USA
| | - Malú Gámez Tansey
- Department of Neuroscience, College of Medicine, University of Florida, Gainesville, FL, USA
- Center for Translational Research in Neurodegenerative Disease, College of Medicine, University of Florida, Gainesville, FL, USA
- McKnight Brain Institute, University of Florida, Gainesville, FL, USA
- Norman Fixel Institute for Neurological Diseases, University of Florida, Gainesville, FL, USA
- Aligning Science Across Parkinson’s (ASAP) Collaborative Research Network, Chevy Chase, MD, USA
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3
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Elwyn R, Mitchell J, Kohn MR, Driver C, Hay P, Lagopoulos J, Hermens DF. Novel ketamine and zinc treatment for anorexia nervosa and the potential beneficial interactions with the gut microbiome. Neurosci Biobehav Rev 2023; 148:105122. [PMID: 36907256 DOI: 10.1016/j.neubiorev.2023.105122] [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: 11/01/2022] [Revised: 03/04/2023] [Accepted: 03/07/2023] [Indexed: 03/13/2023]
Abstract
Anorexia nervosa (AN) is a severe illness with diverse aetiological and maintaining contributors including neurobiological, metabolic, psychological, and social determining factors. In addition to nutritional recovery, multiple psychological and pharmacological therapies and brain-based stimulations have been explored; however, existing treatments have limited efficacy. This paper outlines a neurobiological model of glutamatergic and γ-aminobutyric acid (GABA)-ergic dysfunction, exacerbated by chronic gut microbiome dysbiosis and zinc depletion at a brain and gut level. The gut microbiome is established early in development, and early exposure to stress and adversity contribute to gut microbial disturbance in AN, early dysregulation to glutamatergic and GABAergic networks, interoceptive impairment, and inhibited caloric harvest from food (e.g., zinc malabsorption, competition for zinc ions between gut bacteria and host). Zinc is a key part of glutamatergic and GABAergic networks, and also affects leptin and gut microbial function; systems dysregulated in AN. Low doses of ketamine in conjunction with zinc, could provide an efficacious combination to act on NMDA receptors and normalise glutamatergic, GABAergic and gut function in AN.
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Affiliation(s)
- Rosiel Elwyn
- Thompson Institute, University of the Sunshine Coast, Birtinya, QLD, Australia; SouthWest Sydney Local Health District, Liverpool Hospital, Liverpool, NSW, Australia.
| | - Jules Mitchell
- Thompson Institute, University of the Sunshine Coast, Birtinya, QLD, Australia; SouthWest Sydney Local Health District, Liverpool Hospital, Liverpool, NSW, Australia
| | - Michael R Kohn
- AYA Medicine Westmead Hospital, CRASH (Centre for Research into Adolescent's Health) Western Sydney Local Health District, Sydney University, Australia; SouthWest Sydney Local Health District, Liverpool Hospital, Liverpool, NSW, Australia
| | - Christina Driver
- Thompson Institute, University of the Sunshine Coast, Birtinya, QLD, Australia; SouthWest Sydney Local Health District, Liverpool Hospital, Liverpool, NSW, Australia
| | - Phillipa Hay
- Translational Health Research Institute (THRI) School of Medicine, Western Sydney University, Campbelltown, NSW, Australia; SouthWest Sydney Local Health District, Liverpool Hospital, Liverpool, NSW, Australia
| | - Jim Lagopoulos
- Thompson Institute, University of the Sunshine Coast, Birtinya, QLD, Australia; SouthWest Sydney Local Health District, Liverpool Hospital, Liverpool, NSW, Australia
| | - Daniel F Hermens
- Thompson Institute, University of the Sunshine Coast, Birtinya, QLD, Australia; SouthWest Sydney Local Health District, Liverpool Hospital, Liverpool, NSW, Australia
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Li X, Han G, Zhao J, Huang X, Feng Y, Huang J, Lan X, Huang X, Wang Z, Shen J, He S, Li Q, Song J, Wang J, Meng L. Intestinal flora induces depression by mediating the dysregulation of cerebral cortex gene expression and regulating the metabolism of stroke patients. Front Mol Biosci 2022; 9:865788. [PMID: 36533076 PMCID: PMC9748625 DOI: 10.3389/fmolb.2022.865788] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2022] [Accepted: 11/08/2022] [Indexed: 10/27/2023] Open
Abstract
Post-stroke depression (PSD) is a common cerebrovascular complication characterized by complex pathogenesis and poor treatment effects. Here, we tested the influence of differentially expressed genes (DEGs), non-targeted metabolites, and intestinal microbes on the occurrence and development of PSD. We acquired gene expression profiles for stroke patients, depression patients, and healthy controls from the Gene Expression Omnibus database. After screening for DEGs using differential expression analysis, we identified common DEGs in stroke and depression patients that were considered to form the molecular basis of PSD. Functional enrichment analysis of DEGs also revealed that the majority of biological functions were closely related to metabolism, immunity, the nervous system, and microorganisms, and we also collected blood and stool samples from healthy controls, stroke patients, and PSD patients and performed 16S rDNA sequencing and untargeted metabolomics. After evaluating the quality of the sequencing data, we compared the diversity of the metabolites and intestinal flora within and between groups. Metabolic pathway enrichment analysis was used to identify metabolic pathways that were significantly involved in stroke and PSD, and a global metabolic network was constructed to explore the pathogenesis of PSD. Additionally, we constructed a global regulatory network based on 16S rDNA sequencing, non-targeted metabolomics, and transcriptomics to explore the pathogenesis of PSD through correlation analysis. Our results suggest that intestinal flora associates the dysregulation of cerebral cortex gene expression and could potentially promote the occurrence of depression by affecting the metabolism of stroke patients. Our findings may be helpful in identifying new targets for the prevention and treatment of PSD.
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Affiliation(s)
- Xuebin Li
- Center for Systemic Inflammation Research (CSIR), School of Preclinical Medicine, Youjiang Medical University for Nationalities, Baise, Guangxi, China
- Department of Neurology, The Affiliated Hospital of Youjiang Medical University for Nationalities, Baise, Guangxi, China
| | - Guangshun Han
- Department of Neurology, Liuzhou People’s Hospital, Liuzhou, Guangxi, China
| | - Jingjie Zhao
- Life Science and Clinical Research Center, The Affiliated Hospital of Youjiang Medical University for Nationalities, Baise, Guangxi, China
| | - Xiaohua Huang
- Department of Neurology, The Affiliated Hospital of Youjiang Medical University for Nationalities, Baise, Guangxi, China
| | - Yun Feng
- Department of Neurology, The Affiliated Hospital of Youjiang Medical University for Nationalities, Baise, Guangxi, China
| | - Junfang Huang
- Department of Neurology, The Affiliated Hospital of Youjiang Medical University for Nationalities, Baise, Guangxi, China
| | - Xuequn Lan
- Department of Neurology, The Affiliated Hospital of Youjiang Medical University for Nationalities, Baise, Guangxi, China
| | - Xiaorui Huang
- Department of Neurology, The Affiliated Hospital of Youjiang Medical University for Nationalities, Baise, Guangxi, China
| | - Zechen Wang
- Center for Systemic Inflammation Research (CSIR), School of Preclinical Medicine, Youjiang Medical University for Nationalities, Baise, Guangxi, China
| | - Jiajia Shen
- Center for Systemic Inflammation Research (CSIR), School of Preclinical Medicine, Youjiang Medical University for Nationalities, Baise, Guangxi, China
| | - Siyuan He
- Center for Systemic Inflammation Research (CSIR), School of Preclinical Medicine, Youjiang Medical University for Nationalities, Baise, Guangxi, China
| | - Qiuhao Li
- Center for Systemic Inflammation Research (CSIR), School of Preclinical Medicine, Youjiang Medical University for Nationalities, Baise, Guangxi, China
| | - Jian Song
- Center for Systemic Inflammation Research (CSIR), School of Preclinical Medicine, Youjiang Medical University for Nationalities, Baise, Guangxi, China
- Institute of Cardiovascular Sciences, Guangxi Academy of Medical Sciences, Nanning, Guangxi, China
| | - Jie Wang
- Center for Systemic Inflammation Research (CSIR), School of Preclinical Medicine, Youjiang Medical University for Nationalities, Baise, Guangxi, China
- Department of Renal Diseases, The Affiliated Hospital of Youjiang Medical University for Nationalities, Baise, Guangxi, China
| | - Lingzhang Meng
- Center for Systemic Inflammation Research (CSIR), School of Preclinical Medicine, Youjiang Medical University for Nationalities, Baise, Guangxi, China
- Institute of Cardiovascular Sciences, Guangxi Academy of Medical Sciences, Nanning, Guangxi, China
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5
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Holzer P. Gut Signals and Gut Feelings: Science at the Interface of Data and Beliefs. Front Behav Neurosci 2022; 16:929332. [PMID: 35874652 PMCID: PMC9296981 DOI: 10.3389/fnbeh.2022.929332] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2022] [Accepted: 06/01/2022] [Indexed: 11/29/2022] Open
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Koppenol E, Terveer EM, Vendrik KE, van Lingen E, Verspaget HW, Keller JJ, Kuijper EJ, Giltay EJ. Fecal microbiota transplantation is associated with improved aspects of mental health of patients with recurrent Clostridioides difficile infections. JOURNAL OF AFFECTIVE DISORDERS REPORTS 2022. [DOI: 10.1016/j.jadr.2022.100355] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/02/2022] Open
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Hernalsteens S, Huang S, Cong HH, Chen XD. The final fate of food: On the establishment of in vitro colon models. Food Res Int 2021; 150:110743. [PMID: 34865762 DOI: 10.1016/j.foodres.2021.110743] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2021] [Revised: 09/24/2021] [Accepted: 10/06/2021] [Indexed: 02/07/2023]
Abstract
The search for life/health quality has driven the search for a better understanding of food components on the overall individual health, which turns to be intrinsically related to the digestive system. In vitro digestion models are considered an alternative for the in vivo studies for a variety of practical reasons, but further research is still needed concerning the colon model establishment. An effective in vitro colon model should consider all unit operations and transport phenomena, together with chemical and biochemical reactions, material handling and reactor design. Due to the different techniques and dependence on the donor microbiota, it is difficult to obtain a standard protocol with results reproductible in time and space. Furthermore, the colon model should be fed with a representative substrate, thus what happens in upper digestion tract and absorption prior to colon is also of crucial importance. Essentially, there are two ways to think about how to achieve a good and useful in vitro colon model: a complex biomimetic system that provides results comparable with the in vivo studies or a simple system, that despite the fact it could not give physiologically relevant data, it is sufficient to understand the fate of some specific components.
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Affiliation(s)
- Saartje Hernalsteens
- College of Chemistry, Chemical Engineering and Materials Science - Soochow University, China.
| | | | - Hai Hua Cong
- College of Food Science and Engineering - Dalian Ocean University, China
| | - Xiao Dong Chen
- College of Chemistry, Chemical Engineering and Materials Science - Soochow University, China.
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Shao S, Jia R, Zhao L, Zhang Y, Guan Y, Wen H, Liu J, Zhao Y, Feng Y, Zhang Z, Ji Q, Li Q, Wang Y. Xiao-Chai-Hu-Tang ameliorates tumor growth in cancer comorbid depressive symptoms via modulating gut microbiota-mediated TLR4/MyD88/NF-κB signaling pathway. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2021; 88:153606. [PMID: 34111616 DOI: 10.1016/j.phymed.2021.153606] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/02/2021] [Revised: 04/04/2021] [Accepted: 05/16/2021] [Indexed: 06/12/2023]
Abstract
BACKGROUND Depressive symptoms are thought to promote cancer development and depressive remission has been reported to be effective for defeating cancer. The herbal formula Xiao-Chai-Hu-Tang (XCHT), that has an anti-depressive efficacy, has been widely utilized in China. However, its anti-cancer effect and underlying mechanisms remain unclear. PURPOSE The present study aims to investigate the effects of XCHT on the depression-associated tumor and its potential mechanisms. METHODS A placebo-controlled trial was conducted in cancer patients comorbid with depressive symptoms to evaluate the effects of XCHT on depressive scales, tumor-related immune indicators, and gut microbial composition. A xenografted colorectal cancer (CRC) mouse model exposure to chronic restraint stress (CRS) was established to examine XCHT effects on tumorigenesis in vivo. Further, by manipulating gut bacteria with fecal microbial transplantation (FMT) or antibiotics-induced bacterial elimination in CRS-associated xenografted model, gut microbiota-mediated anti-tumor mechanism was explored. RESULTS In cancer patients comorbid with depressive symptoms, XCHT showed substantial effects on improvement of depressive scales, system inflammatory levels and gut dysbiosis. In vivo, XCHT inhibited tumor growth and prolonged survival time in addition to showing anti-depressive effect. Similarly, in our clinical trial, XCHT partially reversed gut dysbiosis, particularly through reducing abundances of Parabacteroides, Blautia and Ruminococcaceae bacterium. Manipulation of gut bacteria in CRS-associated xenografted model further proved that the inhibition of XCHT on tumor progression was mediated by gut microbiota and that the underlying mechanism involves in downregulation of TLR4/MyD88/NF-κB signaling. CONCLUSIONS We demonstrated that gut microbiota mediates the anti-tumor action of the formula XCHT in cancer patients and models that were comorbid with depressive symptoms. This study implies a novel clinical significance of anti-depressive herbal medicine in the cancer treatment and clarifies the important role of gut microbiota in treating cancer accompanied by depressive symptoms.
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Affiliation(s)
- Shiyun Shao
- Department of Medical Oncology, Shuguang Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China; Academy of Integrative Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Ru Jia
- Department of Medical Oncology, Shuguang Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Ling Zhao
- Academy of Integrative Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Yingru Zhang
- Department of Medical Oncology, Shuguang Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China; Academy of Integrative Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Yunfeng Guan
- Department of Medical Oncology, Shuguang Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China; Academy of Integrative Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Haotian Wen
- Department of Medical Oncology, Shuguang Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Jingwen Liu
- Department of Medical Oncology, Shuguang Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China; Academy of Integrative Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Yiyang Zhao
- Department of Medical Oncology, Shuguang Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China; Academy of Integrative Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Ying Feng
- Academy of Integrative Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Zhaozhou Zhang
- Department of Medical Oncology, Shuguang Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China; Academy of Integrative Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Qing Ji
- Department of Medical Oncology, Shuguang Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China; Academy of Integrative Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Qi Li
- Department of Medical Oncology, Shuguang Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China; Academy of Integrative Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China.
| | - Yan Wang
- Department of Medical Oncology, Shuguang Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China; Academy of Integrative Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China.
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9
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Knudsen JK, Bundgaard-Nielsen C, Hjerrild S, Nielsen RE, Leutscher P, Sørensen S. Gut microbiota variations in patients diagnosed with major depressive disorder-A systematic review. Brain Behav 2021; 11:e02177. [PMID: 34047485 PMCID: PMC8323045 DOI: 10.1002/brb3.2177] [Citation(s) in RCA: 39] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/08/2020] [Revised: 02/15/2021] [Accepted: 04/11/2021] [Indexed: 12/12/2022] Open
Abstract
OBJECTIVE The etiology of major depressive disorder (MDD) is multi-factorial and has been associated with a perturbed gut microbiota. Thus, it is therefore of great importance to determine any variations in gut microbiota in patients with MDD. METHODS A systematic literature search was conducted including original research articles based on gut microbiota studies performed in patients with MDD. Demographic and clinical characteristics, applied methodology and observed gut microbiota composition were compared between included studies. RESULTS Seventeen studies were included with a total of 738 patients with MDD and 782 healthy controls using different DNA purification methods, sequencing platforms and data analysis models. Four studies found a reduced α-diversity in patients with MDD, while gut microbiota compositions clustered separately according to β-diversity between patients and controls in twelve studies. Additionally, there was an increase in relative abundance of Eggerthella, Atopobium, and Bifidobacterium and a decreased relative abundance of Faecalibacterium in patients with MDD compared with healthy controls. CONCLUSION Gut microbiota differs significantly when comparing patients with MDD and healthy controls, though inconsistently across studies. The heterogeneity in gut microbiota compositions between the studies may be explained by variations in study design.
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Affiliation(s)
- Julie Kristine Knudsen
- Centre for Clinical Research, North Denmark Regional Hospital, Hjoerring, Denmark.,Department of Clinical Medicine, Aalborg University, Aalborg, Denmark
| | - Caspar Bundgaard-Nielsen
- Centre for Clinical Research, North Denmark Regional Hospital, Hjoerring, Denmark.,Department of Clinical Medicine, Aalborg University, Aalborg, Denmark
| | - Simon Hjerrild
- Psychosis Research Unit, Aarhus University Hospital, Aarhus, Denmark.,Department of Clinical Medicine, Aarhus University, Aalborg, Denmark
| | - René Ernst Nielsen
- Department of Clinical Medicine, Aalborg University, Aalborg, Denmark.,Department of Psychiatry, Aalborg University Hospital, Aalborg, Denmark
| | - Peter Leutscher
- Centre for Clinical Research, North Denmark Regional Hospital, Hjoerring, Denmark.,Department of Clinical Medicine, Aalborg University, Aalborg, Denmark
| | - Suzette Sørensen
- Centre for Clinical Research, North Denmark Regional Hospital, Hjoerring, Denmark.,Department of Clinical Medicine, Aalborg University, Aalborg, Denmark
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10
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Wilkowska A, Szałach ŁP, Cubała WJ. Gut Microbiota in Depression: A Focus on Ketamine. Front Behav Neurosci 2021; 15:693362. [PMID: 34248517 PMCID: PMC8261217 DOI: 10.3389/fnbeh.2021.693362] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2021] [Accepted: 05/27/2021] [Indexed: 01/09/2023] Open
Abstract
According to the WHO, major depressive disorder is the leading cause of disability worldwide, and it is a major contributor to the overall global burden of disease. The pathophysiology of this common and chronic disease is still not completely understood. The gut microbiome is an increasingly recognized environmental factor that can have a role in depression, acting through the gut-microbiota-brain axis. The available treatment for depression is still insufficient since 30% of patients are treatment-resistant. There is an unquestionable need for novel strategies. Ketamine is an effective antidepressant in treatment-resistant patients. It is suggested that the antidepressant effect of ketamine may be partially mediated by the modification of gut microbiota. In this study, we presented a review of data on gut microbiota in depression with special attention to the effect of ketamine on the microbiome in animal models of depression. Earlier reports are preliminary and are still insufficient to draw firm conclusion, but further studies in this field might help to understand the role of the gut-brain axis in the treatment of depression and might be the ground for developing new effective treatment strategies.
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11
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Requena T, Velasco M. The human microbiome in sickness and in health. Rev Clin Esp 2021; 221:233-240. [PMID: 31522775 DOI: 10.1016/j.rce.2019.07.004] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2019] [Accepted: 07/08/2019] [Indexed: 12/18/2022]
Abstract
The study of the human microbiome has led to an exceptional increase in the current understanding of the importance of microbiota for health throughout all stages of life. Human microbial colonization occurs in the skin, genitourinary system and, mainly, in the oral cavity and intestinal tract. In these locations, the human microbiota establishes a symbiotic relationship with the host and helps maintain the physiological homeostasis. Lifestyle, age, diet and use of antibiotics are the main regulators of the composition and functionality of human microbiota. Recent studies have indicated the reduction in microbial diversity as one of the contributors to the development of diseases. In addition to phylogenetic diversity studies, further metagenomic studies are needed at the functional level of the human microbiome to improve our understanding of its involvement in human health.
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Affiliation(s)
- T Requena
- Departamento de Biotecnología y Microbiología de Alimentos, Instituto de Investigación en Ciencias de la Alimentación (CIAL-CSIC), Madrid, España.
| | - M Velasco
- Sección de Enfermedades Infecciosas, Medicina Interna, Hospital Universitario Fundación Alcorcón, Alcorcón, España
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12
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Geng R, Li H, Wang H, Ye C, Mao Y, Huang X. Venlafaxine Inhibits the Apoptosis of SHSY-5Y Cells Through Active Wnt/β-Catenin Signaling Pathway. Neuropsychiatr Dis Treat 2021; 17:1145-1151. [PMID: 33907406 PMCID: PMC8071209 DOI: 10.2147/ndt.s294998] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/01/2020] [Accepted: 04/01/2021] [Indexed: 11/23/2022] Open
Abstract
OBJECTIVE This study aimed to explore the mechanism of venlafaxine in regulating the apoptosis of SHSY-5Y cells induced by hypoxia. METHODS The CoCl2-induced neuronal hypoxia model was established based on SHSY-5Y cells. The morphology and related protein expression of SHSY-5Y cells were detected by qPCR, ELISA and Western blot. RESULTS Under the condition of hypoxia-induced by CoCl2, the expression of HIF-1α in SHSY-5Y cells was up-regulated and the expression of β-catenin was down-regulated. After adding siRNA targeting HIF-1 α to the culture cell system, down-regulation of β -catenin expression in SHSY-5Y cells was restored. This confirmed the existence of the "hypoxia-HIF-1α-Wnt/β-catenin-depression" axis. Further studies have shown that venlafaxine can alleviate neuronal apoptosis induced by hypoxia by upregulating the Wnt/β-catenin signaling pathway. CONCLUSION Venlafaxine regulates apoptosis induced by hypoxia through the Wnt/β-catenin signaling pathway, which provides a new theoretical basis for the treatment of depression.
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Affiliation(s)
- Ruijie Geng
- Department of Psychological Medicine, Zhongshan Hospital, Fudan University, Shanghai, People's Republic of China
| | - Haibin Li
- Department of Psychological Medicine, Zhongshan Hospital, Fudan University, Shanghai, People's Republic of China
| | - Hao Wang
- Teaching Center of Experimental Medicine, Shanghai Medical College, Fudan University, Shanghai, People's Republic of China
| | - Chenyu Ye
- Department of Psychological Medicine, Zhongshan Hospital, Fudan University, Shanghai, People's Republic of China
| | - Yemeng Mao
- Department of Pharmacy, Shanghai Mental Health Center, Shanghai Jiaotong University School of Medicine, Shanghai, People's Republic of China
| | - Xiao Huang
- Department of Psychological Medicine, Zhongshan Hospital, Fudan University, Shanghai, People's Republic of China.,Department of Psychological Medicine, Xiamen Branch, Zhongshan Hospital, Fudan University, Xiamen, Fujian, People's Republic of China
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13
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Wang S, Ishima T, Zhang J, Qu Y, Chang L, Pu Y, Fujita Y, Tan Y, Wang X, Hashimoto K. Ingestion of Lactobacillus intestinalis and Lactobacillus reuteri causes depression- and anhedonia-like phenotypes in antibiotic-treated mice via the vagus nerve. J Neuroinflammation 2020; 17:241. [PMID: 32799901 PMCID: PMC7429467 DOI: 10.1186/s12974-020-01916-z] [Citation(s) in RCA: 102] [Impact Index Per Article: 25.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2020] [Accepted: 08/03/2020] [Indexed: 02/07/2023] Open
Abstract
Background The brain–gut–microbiota axis plays a role in the pathogenesis of stress-related disorders such as depression. In this study, we examined the effects of fecal microbiota transplantation (FMT) in mice with antibiotic-treated microbiota depletion. Methods The fecal microbiota was obtained from mice subjected to chronic social defeat stress (CSDS) and control (no CSDS) mice. FMT from these two groups was performed to antibiotic-treated mice. 16S rRNA analysis was performed to examine the composition of gut microbiota. Furthermore, the effects of subdiaphragmatic vagotomy in depression-like phenotypes after ingestion of microbes were examined. Results The ingestion of fecal microbiota from CSDS-susceptible mice resulted in an anhedonia-like phenotype, higher plasma levels of interleukin-6 (IL-6), and decreased expression of synaptic proteins in the prefrontal cortex (PFC) in antibiotic-treated mice but not in water-treated mice. 16S rRNA analysis suggested that two microbes (Lactobacillus intestinalis and Lactobacillus reuteri) may be responsible for the anhedonia-like phenotype in antibiotic-treated mice after FMT. Ingestion of these two microbes for 14 days led to depression- and anhedonia-like phenotypes, higher plasma IL-6 levels, and decreased expression of synaptic proteins in the PFC of antibiotic-treated mice. Interestingly, subdiaphragmatic vagotomy significantly blocked the development of behavioral abnormalities, elevation of plasma IL-6 levels, and downregulation of synaptic proteins in the PFC after ingestion of these two microbes. Conclusions These findings suggest that microbiota depletion using an antibiotic cocktail is essential for the development of FMT-induced behavioral changes and that the vagus nerve plays a key role in behavioral abnormalities in antibiotic-treated mice after the ingestion of L. intestinalis and L. reuteri. Therefore, it is likely that the brain–gut–microbiota axis participates in the pathogenesis of depression via the vagus nerve.
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Affiliation(s)
- Siming Wang
- Division of Clinical Neuroscience, Chiba University Center for Forensic Mental Health, 1-8-1 Inohana, Chiba, 260-8670, Japan
| | - Tamaki Ishima
- Division of Clinical Neuroscience, Chiba University Center for Forensic Mental Health, 1-8-1 Inohana, Chiba, 260-8670, Japan
| | - Jiancheng Zhang
- Division of Clinical Neuroscience, Chiba University Center for Forensic Mental Health, 1-8-1 Inohana, Chiba, 260-8670, Japan
| | - Youge Qu
- Division of Clinical Neuroscience, Chiba University Center for Forensic Mental Health, 1-8-1 Inohana, Chiba, 260-8670, Japan
| | - Lijia Chang
- Division of Clinical Neuroscience, Chiba University Center for Forensic Mental Health, 1-8-1 Inohana, Chiba, 260-8670, Japan
| | - Yaoyu Pu
- Division of Clinical Neuroscience, Chiba University Center for Forensic Mental Health, 1-8-1 Inohana, Chiba, 260-8670, Japan
| | - Yuko Fujita
- Division of Clinical Neuroscience, Chiba University Center for Forensic Mental Health, 1-8-1 Inohana, Chiba, 260-8670, Japan
| | - Yunfei Tan
- Division of Clinical Neuroscience, Chiba University Center for Forensic Mental Health, 1-8-1 Inohana, Chiba, 260-8670, Japan
| | - Xingming Wang
- Division of Clinical Neuroscience, Chiba University Center for Forensic Mental Health, 1-8-1 Inohana, Chiba, 260-8670, Japan
| | - Kenji Hashimoto
- Division of Clinical Neuroscience, Chiba University Center for Forensic Mental Health, 1-8-1 Inohana, Chiba, 260-8670, Japan.
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14
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Kelley KW, Peng YP, Liu Q, Chang HC, Spencer SJ, Hutchinson MR, Shimada A. Psychoneuroimmunology goes East: Development of the PNIRS China affiliate and its expansion into PNIRS Asia-Pacific. Brain Behav Immun 2020; 88:75-87. [PMID: 32304882 PMCID: PMC7156953 DOI: 10.1016/j.bbi.2020.04.026] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/09/2020] [Accepted: 04/09/2020] [Indexed: 12/14/2022] Open
Abstract
The Psychoneuroimmunology Research Society (PNIRS) created an official Chinese regional affiliate in 2012, designated PNIRSChina. Now, just eight years later, the program has been so successful in advancing the science of psychoneuroimmunology that it has expanded to the whole of Asia-Oceania. In 2017, PNIRSChina became PNIRSAsia-Pacific. Between 2012 and 2019, this outreach affiliate of PNIRS organized seven symposia at major scientific meetings in China as well as nine others in Taiwan, Japan, South Korea, Australia and New Zealand. This paper summarizes the remarkable growth of PNIRSAsia-Pacific. Here, regional experts who have been instrumental in organizing these PNIRSAsia-Pacific symposia briefly review and share their views about the past, present and future state of psychoneuroimmunology research in China, Taiwan, Australia and Japan. The newest initiative of PNIRSAsia-Pacific is connecting Asia-Pacific laboratories with those in Western countries through a simple web-based registration system. These efforts not only contribute to the efforts of PNIRS to serve a truly global scientific society but also to answer the imperative call of increasing diversity in our science.
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Affiliation(s)
- Keith W Kelley
- Department of Pathology, College of Medicine and Department of Animal Sciences, College of ACES, University of Illinois at Urbana-Champaign, 212 Edward R. Madigan Laboratory, 1201 West Gregory Drive, Urbana, IL 61801, USA.
| | - Yu-Ping Peng
- Department of Physiology and Laboratory of Neuroimmunology, School of Medicine, Nantong University, 19 Qixiu Road, Nantong 226001, People's Republic of China
| | - Quentin Liu
- Dalian Medical University, Institute of Cancer Stem Cell, Cancer Center Room 317, 9 Lvshun Road South, Dalian 116000, People's Republic of China
| | - Hui-Chih Chang
- Mind-Body Interface Center, China Medical University Hospital, Taichung, Taiwan
| | - Sarah J Spencer
- School of Health and Biomedical Sciences, RMIT University, Melbourne, Victoria, Australia
| | - Mark R Hutchinson
- Adelaide Medical School, University of Adelaide, Adelaide, South Australia 5005, Australia and the ARC Centre of Excellence for Nanoscale Biophotonics
| | - Atsuyoshi Shimada
- Faculty of Health Sciences, Kyorin University, 5-4-1 Shimorenjaku, Mitaka, 181-8612 Tokyo, Japan
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15
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Hadian Y, Fregoso D, Nguyen C, Bagood MD, Dahle SE, Gareau MG, Isseroff RR. Microbiome-skin-brain axis: A novel paradigm for cutaneous wounds. Wound Repair Regen 2020; 28:282-292. [PMID: 32034844 DOI: 10.1111/wrr.12800] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2019] [Revised: 01/21/2020] [Accepted: 01/24/2020] [Indexed: 12/12/2022]
Abstract
Chronic wounds cause a significant burden on society financially, medically, and psychologically. Unfortunately, patients with nonhealing wounds often suffer from comorbidities that further compound their disability. Given the high rate of depressive symptoms experienced by patients with chronic wounds, further studies are needed to investigate the potentially linked pathophysiological changes in wounds and depression in order to improve patient care. The English literature on wound healing, inflammatory and microbial changes in chronic wounds and depression, and antiinflammatory and probiotic therapy was reviewed on PubMed. Chronic wound conditions and depression were demonstrated to share common pathologic features of dysregulated inflammation and altered microbiome, indicating a possible relationship. Furthermore, alternative treatment strategies such as immune-targeted and probiotic therapy showed promising potential by addressing both pathophysiological pathways. However, many existing studies are limited to a small study population, a cross-sectional design that does not establish temporality, or a wide range of confounding variables in the context of a highly complex and multifactorial disease process. Therefore, additional preclinical studies in suitable wound models, as well as larger clinical cohort studies and trials are necessary to elucidate the relationship between wound microbiome, healing, and depression, and ultimately guide the most effective therapeutic and management plan for chronic wound patients.
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Affiliation(s)
- Yasmin Hadian
- Department of Dermatology, School of Medicine, University of California, Davis, California.,Dermatology Section, VA Northern California Health Care System, Mather, California
| | - Daniel Fregoso
- Department of Dermatology, School of Medicine, University of California, Davis, California
| | - Chuong Nguyen
- Department of Dermatology, School of Medicine, University of California, Davis, California
| | - Michelle D Bagood
- Department of Dermatology, School of Medicine, University of California, Davis, California
| | - Sara E Dahle
- Department of Dermatology, School of Medicine, University of California, Davis, California.,Podiatry Section, VA Northern California Health Care System, Mather, California
| | - Melanie G Gareau
- Department of Anatomy, Physiology and Cell Biology, School of Veterinary Medicine, University of California Davis, Davis, California
| | - Roslyn Rivkah Isseroff
- Department of Dermatology, School of Medicine, University of California, Davis, California.,Dermatology Section, VA Northern California Health Care System, Mather, California
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16
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The human microbiome in sickness and in health. Rev Clin Esp 2020; 221:233-240. [PMID: 33998505 DOI: 10.1016/j.rceng.2019.07.018] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2019] [Accepted: 07/08/2019] [Indexed: 01/22/2023]
Abstract
The study of the human microbiome has led to an exceptional increase in the current understanding of the importance of microbiota for health throughout all stages of life. Human microbial colonization occurs in the skin, genitourinary system and, mainly, in the oral cavity and intestinal tract. In these locations, the human microbiota establishes a symbiotic relationship with the host and helps maintain physiological homeostasis. Lifestyle, age, diet and use of antibiotics are the main regulators of the composition and functionality of human microbiota. Recent studies have indicated the reduction in microbial diversity as one of the contributors to the development of diseases. In addition to phylogenetic diversity studies, further metagenomic studies are needed at the functional level of the human microbiome to improve our understanding of its involvement in human health.
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17
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Inta D, Wölnerhanssen BK, Meyer-Gerspach AC, Lang E, Schweinfurth N, Mallien AS, Vasilescu AN, Schmidt A, Rea K, Westendorf AM, Tremblay MÈ, Sartorius A, Gass P, Cryan JF, Borgwardt S, Lang UE. Common Pathways in Depression and Obesity: The Role of Gut Microbiome and Diets. Curr Behav Neurosci Rep 2020. [DOI: 10.1007/s40473-020-00199-1] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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18
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Vernice NA, Shah N, Lam E, Herd P, Reiss AB, Kasselman LJ. The gut microbiome and psycho-cognitive traits. PROGRESS IN MOLECULAR BIOLOGY AND TRANSLATIONAL SCIENCE 2020; 176:123-140. [PMID: 33814113 DOI: 10.1016/bs.pmbts.2020.08.014] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The idea that trillions of bacteria inhabit our gut is somewhat unnerving, yet these bacteria may have a greater influence on our behavior than previously thought. Accumulating data strongly suggest that these gut commensal organisms have a strong inter-relationship with our brain and behavior, including cognitive function, mood, and personality. In this chapter, we discuss the role of the gut microbiome in the development of human personality, mood and mood disorders, and cognition, with a particular emphasis on the current consensus and controversies in the literature surrounding the behavioral effects of bioactive metabolites, microbial ratio shifts, and neurotransmitter synthesis facilitated by the microbiome.
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Affiliation(s)
| | - Neal Shah
- NYU Winthrop Hospital, Mineola, NY, United States
| | - Eric Lam
- Nassau University Medical Center, East Meadow, NY, United States
| | - Pamela Herd
- McCourt School of Public Policy, Georgetown University, Washington, DC, United States
| | - Allison B Reiss
- NYU Winthrop Hospital, Mineola, NY, United States; NYU Long Island School of Medicine, Mineola, NY, United States
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19
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Browne PD, Aparicio M, Alba C, Hechler C, Beijers R, Rodríguez JM, Fernández L, de Weerth C. Human Milk Microbiome and Maternal Postnatal Psychosocial Distress. Front Microbiol 2019; 10:2333. [PMID: 31695687 PMCID: PMC6817470 DOI: 10.3389/fmicb.2019.02333] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2019] [Accepted: 09/24/2019] [Indexed: 12/28/2022] Open
Abstract
Human milk contains many bioactive components, including bacteria, which are transferred to the developing infant through breastfeeding. Milk bacteria appear to, amongst others, originate from the maternal gut. A mother’s postnatal psychosocial distress may alter maternal gut microbiota, which in turn may affect the bacteria present in milk. The aim of this study was to explore whether maternal postnatal psychosocial distress was related to alterations in the relative abundances of specific bacteria and to milk microbial diversity. Healthy mothers (N = 77; N = 51 with complete data) collected breast milk samples at 2, 6, and 12 weeks postpartum and filled in mood questionnaires on experienced stress, anxiety, and depressive symptoms at 6 weeks postpartum. A metataxonomic approach (16S rRNA gene sequencing (region V3 and V4) using Illumina MiSeq technology) was used to assess bacterial abundances and diversity. For the group as a whole, an increase in diversity of the milk bacterial community was observed during the first 3 months of breastfeeding (Shannon index). This general increase in diversity appears to be explained by an increase of Lactobacillus and other minor genera, together with a decrease in Staphylococcus. With respect to psychological distress and milk microbial composition, no significant differences in the relative abundance of major bacterial genera were detected between women with high (N = 13) and low (N = 13) psychosocial distress. However, progressive and distinct changes in the content of Firmicutes, Proteobacteria, and Bacteroidetes at the phylum level and Acinetobacter, Flavobacterium, and Lactobacillus at the genera level were observed in milk samples of women with low psychosocial distress. With respect to milk microbial diversity, high maternal psychosocial distress, compared to low maternal psychosocial distress, was related to significantly lower bacterial diversity in milk at 3 months post-delivery. Anxiety, stress, and depressive symptoms separately were unrelated to specific bacterial profiles. The current study suggests a potential relation between maternal psychosocial distress and milk microbiota, providing first evidence of a possible mechanism through which post-partum psychological symptoms may affect infant development and health.
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Affiliation(s)
- Pamela D Browne
- Department of Cognitive Neuroscience, Donders Institute for Brain, Cognition and Behaviour, Radboud University Medical Center, Nijmegen, Netherlands
| | - Marina Aparicio
- Department of Nutrition and Food Science, Faculty of Veterinary Sciences, Complutense University of Madrid, Madrid, Spain
| | - Claudio Alba
- Departmental Section of Galenic Pharmacy and Food Technology, Faculty of Veterinary Sciences, Complutense University of Madrid, Madrid, Spain
| | - Christine Hechler
- Developmental Psychology, Behavioural Science Institute, Radboud University, Nijmegen, Netherlands
| | - Roseriet Beijers
- Department of Cognitive Neuroscience, Donders Institute for Brain, Cognition and Behaviour, Radboud University Medical Center, Nijmegen, Netherlands.,Developmental Psychology, Behavioural Science Institute, Radboud University, Nijmegen, Netherlands
| | - Juan Miguel Rodríguez
- Department of Nutrition and Food Science, Faculty of Veterinary Sciences, Complutense University of Madrid, Madrid, Spain
| | - Leonides Fernández
- Departmental Section of Galenic Pharmacy and Food Technology, Faculty of Veterinary Sciences, Complutense University of Madrid, Madrid, Spain
| | - Carolina de Weerth
- Department of Cognitive Neuroscience, Donders Institute for Brain, Cognition and Behaviour, Radboud University Medical Center, Nijmegen, Netherlands
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20
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Christian LM. The gut microbiome and mental health: Taking baby steps. Brain Behav Immun 2019; 81:22-23. [PMID: 31394208 DOI: 10.1016/j.bbi.2019.08.001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/01/2019] [Accepted: 08/04/2019] [Indexed: 01/15/2023] Open
Affiliation(s)
- Lisa M Christian
- The Department of Psychiatry & Behavioral Health and The Institute for Behavioral Medicine Research, The Ohio State University Wexner Medical Center, United States
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21
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Cruz-Pereira JS, Rea K, Nolan YM, O'Leary OF, Dinan TG, Cryan JF. Depression's Unholy Trinity: Dysregulated Stress, Immunity, and the Microbiome. Annu Rev Psychol 2019; 71:49-78. [PMID: 31567042 DOI: 10.1146/annurev-psych-122216-011613] [Citation(s) in RCA: 138] [Impact Index Per Article: 27.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Depression remains one of the most prevalent psychiatric disorders, with many patients not responding adequately to available treatments. Chronic or early-life stress is one of the key risk factors for depression. In addition, a growing body of data implicates chronic inflammation as a major player in depression pathogenesis. More recently, the gut microbiota has emerged as an important regulator of brain and behavior and also has been linked to depression. However, how this holy trinity of risk factors interact to maintain physiological homeostasis in the brain and body is not fully understood. In this review, we integrate the available data from animal and human studies on these three factors in the etiology and progression of depression. We also focus on the processes by which this microbiota-immune-stress matrix may influence centrally mediated events and on possible therapeutic interventions to correct imbalances in this triune.
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Affiliation(s)
- Joana S Cruz-Pereira
- APC Microbiome Ireland, University College Cork, Cork T12 K8AF, Ireland; , , , , , .,Department of Anatomy and Neuroscience, University College Cork, Cork T12 K8AF, Ireland
| | - Kieran Rea
- APC Microbiome Ireland, University College Cork, Cork T12 K8AF, Ireland; , , , , ,
| | - Yvonne M Nolan
- APC Microbiome Ireland, University College Cork, Cork T12 K8AF, Ireland; , , , , , .,Department of Anatomy and Neuroscience, University College Cork, Cork T12 K8AF, Ireland
| | - Olivia F O'Leary
- APC Microbiome Ireland, University College Cork, Cork T12 K8AF, Ireland; , , , , , .,Department of Anatomy and Neuroscience, University College Cork, Cork T12 K8AF, Ireland
| | - Timothy G Dinan
- APC Microbiome Ireland, University College Cork, Cork T12 K8AF, Ireland; , , , , , .,Department of Psychiatry and Neurobehavioral Science, University College Cork, Cork T12 K8AF, Ireland
| | - John F Cryan
- APC Microbiome Ireland, University College Cork, Cork T12 K8AF, Ireland; , , , , , .,Department of Anatomy and Neuroscience, University College Cork, Cork T12 K8AF, Ireland
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22
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Zhang K, Fujita Y, Chang L, Qu Y, Pu Y, Wang S, Shirayama Y, Hashimoto K. Abnormal composition of gut microbiota is associated with resilience versus susceptibility to inescapable electric stress. Transl Psychiatry 2019; 9:231. [PMID: 31530799 PMCID: PMC6748977 DOI: 10.1038/s41398-019-0571-x] [Citation(s) in RCA: 58] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/10/2019] [Revised: 06/29/2019] [Accepted: 07/30/2019] [Indexed: 12/20/2022] Open
Abstract
Increasing evidence indicates that abnormalities in the composition of gut microbiota might play a role in stress-related disorders. In the learned helplessness (LH) paradigm, ~60-70% rats are susceptible to LH in the face of inescapable electric stress. The role of gut microbiota in susceptibility in the LH paradigm is unknown. In this study, male rats were exposed to inescapable electric stress under the LH paradigm. The compositions of gut microbiota and short-chain fatty acids were assessed in fecal samples from control rats, non-LH (resilient) rats, and LH (susceptible) rats. Members of the order Lactobacillales were present at significantly higher levels in the susceptible rats than in control and resilient rats. At the family level, the number of Lactobacillaceae in the susceptible rats was significantly higher than in control and resilient rats. At the genus level, the numbers of Lactobacillus, Clostridium cluster III, and Anaerofustis in susceptible rats were significantly higher than in control and resilient rats. Levels of acetic acid and propionic acid in the feces of susceptible rats were lower than in those of control and resilient rats; however, the levels of lactic acid in the susceptible rats were higher than those of control and resilient rats. There was a positive correlation between lactic acid and Lactobacillus levels among these three groups. These findings suggest that abnormal composition of the gut microbiota, including organisms such as Lactobacillus, contributes to susceptibility versus resilience to LH in rats subjected to inescapable electric foot shock. Therefore, it appears likely that brain-gut axis plays a role in stress susceptibility in the LH paradigm.
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Affiliation(s)
- Kai Zhang
- grid.411500.1Division of Clinical Neuroscience, Chiba University Center for Forensic Mental Health, Chiba, 260-8670 Japan ,grid.459419.4Department of Psychiatry, Chaohu Hospital of Anhui Medical University, 238000 Hefei, China
| | - Yuko Fujita
- grid.411500.1Division of Clinical Neuroscience, Chiba University Center for Forensic Mental Health, Chiba, 260-8670 Japan
| | - Lijia Chang
- grid.411500.1Division of Clinical Neuroscience, Chiba University Center for Forensic Mental Health, Chiba, 260-8670 Japan
| | - Youge Qu
- grid.411500.1Division of Clinical Neuroscience, Chiba University Center for Forensic Mental Health, Chiba, 260-8670 Japan
| | - Yaoyu Pu
- grid.411500.1Division of Clinical Neuroscience, Chiba University Center for Forensic Mental Health, Chiba, 260-8670 Japan
| | - Siming Wang
- grid.411500.1Division of Clinical Neuroscience, Chiba University Center for Forensic Mental Health, Chiba, 260-8670 Japan
| | - Yukihiko Shirayama
- grid.411500.1Division of Clinical Neuroscience, Chiba University Center for Forensic Mental Health, Chiba, 260-8670 Japan ,0000 0004 0467 0888grid.412406.5Department of Psychiatry, Teikyo University Chiba Medical Center, Ichihara, Chiba, 299-0111 Japan
| | - Kenji Hashimoto
- Division of Clinical Neuroscience, Chiba University Center for Forensic Mental Health, Chiba, 260-8670, Japan.
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23
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Long-Smith C, O'Riordan KJ, Clarke G, Stanton C, Dinan TG, Cryan JF. Microbiota-Gut-Brain Axis: New Therapeutic Opportunities. Annu Rev Pharmacol Toxicol 2019; 60:477-502. [PMID: 31506009 DOI: 10.1146/annurev-pharmtox-010919-023628] [Citation(s) in RCA: 194] [Impact Index Per Article: 38.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
The traditional fields of pharmacology and toxicology are beginning to consider the substantial impact our gut microbiota has on host physiology. The microbiota-gut-brain axis is emerging as a particular area of interest and a potential new therapeutic target for effective treatment of central nervous system disorders, in addition to being a potential cause of drug side effects. Microbiota-gut-brain axis signaling can occur via several pathways, including via the immune system, recruitment of host neurochemical signaling, direct enteric nervous system routes and the vagus nerve, and the production of bacterial metabolites. Altered gut microbial profiles have been described in several psychiatric and neurological disorders. Psychobiotics, live biotherapeutics or substances whose beneficial effects on the brain are bacterially mediated, are currently being investigated as direct and/or adjunctive therapies for psychiatric and neurodevelopmental disorders and possibly for neurodegenerative disease, and they may emerge as new therapeutic options in the clinical management of brain disorders.
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Affiliation(s)
| | | | - Gerard Clarke
- APC Microbiome Ireland, University College Cork, Cork, Ireland; .,Department of Psychiatry & Neurobehavioral Science, University College Cork, Cork, Ireland
| | - Catherine Stanton
- APC Microbiome Ireland, University College Cork, Cork, Ireland; .,Teagasc Food Research Centre, Moorepark, Fermoy, Ireland
| | - Timothy G Dinan
- APC Microbiome Ireland, University College Cork, Cork, Ireland; .,Department of Psychiatry & Neurobehavioral Science, University College Cork, Cork, Ireland
| | - John F Cryan
- APC Microbiome Ireland, University College Cork, Cork, Ireland; .,Department of Anatomy and Neuroscience, University College Cork, Cork, Ireland
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24
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Spichak S, Guzzetta KE, O’Leary OF, Clarke G, Dinan TG, Cryan JF. Without a bug’s life: Germ-free rodents to interrogate microbiota-gut-neuroimmune interactions. ACTA ACUST UNITED AC 2018. [DOI: 10.1016/j.ddmod.2019.08.002] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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