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Chen CY, Wang YF, Lei L, Zhang Y. Impacts of microbiota and its metabolites through gut-brain axis on pathophysiology of major depressive disorder. Life Sci 2024; 351:122815. [PMID: 38866215 DOI: 10.1016/j.lfs.2024.122815] [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: 04/03/2024] [Revised: 05/21/2024] [Accepted: 06/04/2024] [Indexed: 06/14/2024]
Abstract
Major depressive disorder (MDD) is characterized by a high rate of recurrence and disability, which seriously affects the quality of life of patients. That's why a deeper understanding of the mechanisms of MDD pathology is an urgent task, and some studies have found that intestinal symptoms accompany people with MDD. The microbiota-gut-brain axis is the bidirectional communication between the gut microbiota and the central nervous system, which was found to have a strong association with the pathogenesis of MDD. Previous studies have focused more on the communication between the gut and the brain through neuroendocrine, neuroimmune and autonomic pathways, and the role of gut microbes and their metabolites in depression is unclear. Metabolites of intestinal microorganisms (e.g., tryptophan, kynurenic acid, indole, and lipopolysaccharide) can participate in the pathogenesis of MDD through immune and inflammatory pathways or by altering the permeability of the gut and blood-brain barrier. In addition, intestinal microbes can communicate with intestinal neurons and glial cells to affect the integrity and function of intestinal nerves. However, the specific role of gut microbes and their metabolites in the pathogenesis of MDD is not well understood. Hence, the present review summarizes how gut microbes and their metabolites are directly or indirectly involved in the pathogenesis of MDD.
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Affiliation(s)
- Cong-Ya Chen
- Department of Anatomy, School of Chinese Medicine, Beijing University of Chinese Medicine, Beijing 102488, China
| | - Yu-Fei Wang
- Department of Anatomy, School of Chinese Medicine, Beijing University of Chinese Medicine, Beijing 102488, China
| | - Lan Lei
- Department of Anatomy, School of Chinese Medicine, Beijing University of Chinese Medicine, Beijing 102488, China
| | - Yi Zhang
- Department of Anatomy, School of Chinese Medicine, Beijing University of Chinese Medicine, Beijing 102488, China.
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Li J, Fan C, Wang J, Tang B, Cao J, Hu X, Zhao X, Feng C. Association between gut microbiota and anxiety disorders: a bidirectional two-sample mendelian randomization study. BMC Psychiatry 2024; 24:398. [PMID: 38802804 PMCID: PMC11131207 DOI: 10.1186/s12888-024-05824-x] [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: 12/23/2023] [Accepted: 05/09/2024] [Indexed: 05/29/2024] Open
Abstract
BACKGROUND There are many articles reporting that the component of intestinal microbiota implies a link to anxiety disorders (AD), and the brain-gut axis is also a hot topic in current research. However, the specific relevance between gut microbiota and AD is uncertain. We aimed to investigate causal relationship between gut microbiota and AD by using bidirectional Mendelian randomization (MR). METHODS Genetic instrumental variable (IV) for the gut microbiota were obtained from a genome-wide association study (GWAS) involving 18,340 participants. Summary data for AD were derived from the GWAS and included 158,565 cases and 300,995 controls. We applied the inverse variance weighted (IVW) method as the main analysis. Cochran's Q values was computed to evaluate the heterogeneity among IVs. Sensitivity analyses including intercept of MR-Egger method and MR-PRESSO analysis were used to test the horizontal pleiotropy. RESULT We discovered 9 potential connections between bacterial traits on genus level and AD. Utilizing the IVW method, we identified 5 bacterial genera that exhibited a direct correlation with the risk of AD: genus Eubacteriumbrachygroup, genus Coprococcus3, genus Enterorhabdus, genus Oxalobacter, genus Ruminiclostridium6. Additionally, we found 4 bacterial genera that exhibited a negative association with AD: genus Blautia, genus Butyricicoccus, genus Erysipelotrichaceae-UCG003 and genus Parasutterella. The associations were confirmed by the sensitivity analyses. CONCLUSION Our study found a causal relation between parts of the gut microbiota and AD. Further randomized controlled trials are crucial to elucidate the positive effects of probiotics on AD and their particular protection systems.
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Affiliation(s)
- Jianbing Li
- Department of Psychiatry, Guangdong Second Provincial General Hospital, Guangzhou, 510317, PR China
| | - Changhe Fan
- Department of Psychiatry, Guangdong Second Provincial General Hospital, Guangzhou, 510317, PR China
| | - Jiaqi Wang
- School of Pharmacy, Guangdong Pharmaceutical University, Guangzhou, 510006, China
| | - Bulang Tang
- School of Pharmacy, Guangdong Pharmaceutical University, Guangzhou, 510006, China
| | - Jiafan Cao
- School of Pharmacy, Guangdong Pharmaceutical University, Guangzhou, 510006, China
| | - Xianzhe Hu
- School of Pharmacy, Guangdong Pharmaceutical University, Guangzhou, 510006, China
| | - Xuan Zhao
- School of Pharmacy, Guangdong Pharmaceutical University, Guangzhou, 510006, China
| | - Caiqin Feng
- Department of Psychiatry, Guangdong Second Provincial General Hospital, Guangzhou, 510317, PR China.
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Guo F, Jing L, Xu Y, Zhang K, Li Y, Sun N, Liu P, Zhang H. Gut microbiota and inflammatory factor characteristics in major depressive disorder patients with anorexia. BMC Psychiatry 2024; 24:334. [PMID: 38698338 PMCID: PMC11067108 DOI: 10.1186/s12888-024-05778-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/30/2023] [Accepted: 04/18/2024] [Indexed: 05/05/2024] Open
Abstract
BACKGROUND This study aimed to explore the gut microbiota and inflammatory factor characteristics in major depressive disorder (MDD) patients with anorexia and to analyze the correlation between gut microbiota and inflammatory factors, anorexia, and HAMD scores. METHODS 46 MDD patients and 46 healthy controls (HC) were included in the study. The 46 MDD patients were divided into two groups according to whether they had anorexia:20 MDD without anorexia (MDA0 group) and 26 MDD with anorexia (MDA1 group). We used the Hamilton Depression Scale-24 (HAMD-24) to evaluate the depression status of all participants and 16 S ribosomal RNA (16 S rRNA)sequencing to evaluate the composition of the gut microbiota. Inflammatory factors in peripheral blood such as C-reactive protein (CRP) were detected using enzyme-linked immunosorbent assay (ELISA). Spearman's correlation analysis was used to evaluate the correlation between gut microbiota and inflammatory factors, HAMD scores, and anorexia. RESULTS 1). CRP was significantly higher in the MDA0, MDA1, than HC. 2). An analysis of α-diversity shows: the Simpson and Pielou indices of the HC group are higher than the MDA1 group (P < 0.05). 3). The β-diversity analysis shows differences in the composition of microbial communities between the MDA0, MDA1, and HC group. 4). A correlation analysis showed that Blautia positively correlated with anorexia, HAMD scores, and CRP level, whereas Faecalibacterium, Bacteroides, Roseburia, and Parabacteroides negatively correlated with anorexia, HAMD scores, and CRP level. 5). The receiver operating characteristic (ROC) curve was drawn using the differential bacterial genera between MDD patients with or without anorexia as biomarkers to identify whether MDD patients were accompanied with anorexia, and its area under curve (AUC) was 0.85. The ROC curve was drawn using the differential bacterial genera between MDD patients with anorexia and healthy controls as biomarkers to diagnose MDD patients with anorexia, with its AUC was 0.97. CONCLUSION This study suggested that MDD patients with anorexia had a distinct gut microbiota compared to healthy individuals, with higher level of CRP. Blautia was more abundant in MDD patients with anorexia and positively correlated with CRP, HAMD scores, and anorexia. The gut microbiota might have influenced MDD and anorexia through the inflammatory factor CRP.
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Affiliation(s)
- Fengtao Guo
- Department of Psychiatry, First Hospital of Shanxi Medical University, Taiyuan, 030001, China
- Shanxi Medical University, Taiyuan, 030001, China
- Yanhu District Branch, The First Hospital of Shanxi Medical University, Yuncheng, 044000, China
| | - Lin Jing
- Department of Psychiatry, First Hospital of Shanxi Medical University, Taiyuan, 030001, China
- Shanxi Medical University, Taiyuan, 030001, China
| | - Yunfan Xu
- Department of Psychiatry, First Hospital of Shanxi Medical University, Taiyuan, 030001, China
- Shanxi Medical University, Taiyuan, 030001, China
| | - Kun Zhang
- Department of Psychiatry, First Hospital of Shanxi Medical University, Taiyuan, 030001, China
- Shanxi Medical University, Taiyuan, 030001, China
| | - Ying Li
- Department of Psychiatry, First Hospital of Shanxi Medical University, Taiyuan, 030001, China
- Shanxi Medical University, Taiyuan, 030001, China
| | - Ning Sun
- Department of Psychiatry, First Hospital of Shanxi Medical University, Taiyuan, 030001, China
| | - Penghong Liu
- Department of Psychiatry, First Hospital of Shanxi Medical University, Taiyuan, 030001, China.
- Shanxi Medical University, Taiyuan, 030001, China.
| | - Huanhu Zhang
- Shanxi Medical University, Taiyuan, 030001, China.
- Shanxi University of Chinese Medicine, Jinzhong, 030619, China.
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Baslam A, Azraida H, Aboufatima R, Ait-El-Mokhtar M, Dilagui I, Boussaa S, Chait A, Baslam M. Trihexyphenidyl Alters Its Host's Metabolism, Neurobehavioral Patterns, and Gut Microbiome Feedback Loop-The Modulating Role of Anacyclus pyrethrum. Antioxidants (Basel) 2023; 13:26. [PMID: 38275646 PMCID: PMC10812446 DOI: 10.3390/antiox13010026] [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: 11/02/2023] [Revised: 12/11/2023] [Accepted: 12/19/2023] [Indexed: 01/27/2024] Open
Abstract
Trihexyphenidyl (THP)-a synthetic anticholinergic medication used to manage parkinsonism and extrapyramidal symptoms-has gained significant clinical recognition. However, there is a critical gap in understanding its withdrawal effects. This study investigates the intricate interplay between gut microbiota and oxidative stress during THP withdrawal. Furthermore, it explores the therapeutic potential of Anacyclus pyrethrum (AEAP) for alleviating the associated adverse effects. This comprehensive research combines behavioral tests, biochemical analysis, gut microbiome assessment utilizing matrix-assisted laser desorption ionization-time of flight mass spectrometry (MALDI-TOF MS), and oxidative stress measures. The results reveal that the chronic administration of THP leads to severe withdrawal syndrome, marked by heightened anxiety, depressive-like behaviors, increased cortisol levels, elevated oxidative stress, and gut dysbiosis. However, the administration of AEAP alongside THP shows a significant capacity to mitigate these deleterious effects. Co-treatment and post-treatment with AEAP increased bacterial density and diversity, promoting the proliferation of beneficial bacteria associated with improved gut health. Furthermore, AEAP administration reduced cortisol levels and exhibited potent antioxidant properties, effectively countering the THP-induced oxidative damage. This study highlights the withdrawal effects of THP and underscores the therapeutic potential of AEAP for managing these symptoms. The findings reveal its promising effects in alleviating behavioral and biochemical impairments, reducing oxidative stress, and restoring gut microbiota, which could significantly impact the clinical management of THP withdrawal and potentially extend to other substance withdrawal scenarios.
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Affiliation(s)
- Abdelmounaim Baslam
- Laboratory of Pharmacology, Neurobiology, Anthropobiology and Environment, Department of Biology, Faculty of Sciences Semlalia, Cadi Ayyad University, Marrakech 40000, Morocco; (A.B.)
| | - Hajar Azraida
- Laboratory of Pharmacology, Neurobiology, Anthropobiology and Environment, Department of Biology, Faculty of Sciences Semlalia, Cadi Ayyad University, Marrakech 40000, Morocco; (A.B.)
| | - Rachida Aboufatima
- Laboratory of Biological Engineering, Faculty of Sciences and Technology, Sultan Moulay Slimane University, Beni Mellal 23000, Morocco
| | - Mohamed Ait-El-Mokhtar
- Laboratory of Biochemistry, Environment & Agri-Food URAC 36, Department of Biology, Faculty of Science and Techniques—Mohammedia, Hassan II University of Casablanca, Mohammedia 20000, Morocco;
| | - Ilham Dilagui
- Laboratory of Microbiology, University Hospital Mohamed VI, Faculty of Medicine and Pharmacy, Cadi Ayyad University, Marrakech 40000, Morocco
| | - Samia Boussaa
- Higher Institute of Nursing and Health Techniques, Ministry of Health and Social Protection, Rabat 10000, Morocco;
| | - Abderrahman Chait
- Laboratory of Pharmacology, Neurobiology, Anthropobiology and Environment, Department of Biology, Faculty of Sciences Semlalia, Cadi Ayyad University, Marrakech 40000, Morocco; (A.B.)
| | - Marouane Baslam
- Laboratory of Biochemistry, Department of Applied Biological Chemistry, Faculty of Agriculture, University of Niigata, Niigata 950-2181, Japan
- Center of Agrobiotechnology and Bioengineering, Research Unit Labelled CNRST (Centre AgroBiotech-URL-7 CNRST-05), Cadi Ayyad University, Marrakech 40000, Morocco
- Laboratory of Agro-Food, Biotechnologies and Valorization of Plant Bioresources (AGROBIOVAL), Department of Biology, Faculty of Science Semlalia, Cadi Ayyad University (UCA), Marrakech 40000, Morocco
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Song JG, Mun D, Lee B, Song M, Oh S, Kim JM, Yang J, Kim Y, Kim HW. Protective Effects of Lacticaseibacillus rhamnosus IDCC3201 on Motor Functions and Anxiety Levels in a Chronic Stress Mouse Model. Food Sci Anim Resour 2023; 43:1044-1054. [PMID: 37969325 PMCID: PMC10636227 DOI: 10.5851/kosfa.2023.e54] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2023] [Revised: 09/01/2023] [Accepted: 09/13/2023] [Indexed: 11/17/2023] Open
Abstract
Growing evidence indicates a crucial role of the gut microbiota in physiological functions. Gut-brain axis imbalance has also been associated with neuropsychiatric and neurodegenerative disorders. Studies have suggested that probiotics regulate the stress response and alleviate mood-related symptoms. In this study, we investigated the effects of the probiotic Lacticaseibacillus rhamnosus IDCC3201 (L3201) on the behavioral response and fecal metabolite content in an unpredictable chronic mild stress (UCMS) mouse model. Our study shows that chronic stress in mice for three weeks resulted in significant changes in behavior, including lower locomotor activity, higher levels of anxiety, and depressive-like symptoms, compared to the control group. Metabolomic analysis demonstrated that disrupted fecal metabolites associated with aminoacyl-tRNA biosynthesis and valine, leucine, and isoleucine biosynthesis by UCMS were restored with the administration of L3201. Oral administration of the L3201 ameliorated the observed changes and improved the behavioral alterations along with fecal metabolites, suggesting that probiotics play a neuroprotective role.
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Affiliation(s)
- Jae Gwang Song
- College of Life Sciences, Sejong
University, Seoul 05006, Korea
| | - Daye Mun
- Department of Agricultural Biotechnology
and Research Institute of Agriculture and Life Science, Seoul National
University, Seoul 08826, Korea
| | - Bomi Lee
- College of Life Sciences, Sejong
University, Seoul 05006, Korea
| | - Minho Song
- Department of Animal Science and
Biotechnology, Chungnam National University, Daejeon 34134,
Korea
| | - Sangnam Oh
- Department of Functional Food and
Biotechnology, Jeonju University, Jeonju 55069, Korea
| | - Jun-Mo Kim
- Department of Animal Science and
Technology, Chung-Ang University, Anseong 17546, Korea
| | | | - Younghoon Kim
- Department of Agricultural Biotechnology
and Research Institute of Agriculture and Life Science, Seoul National
University, Seoul 08826, Korea
| | - Hyung Wook Kim
- College of Life Sciences, Sejong
University, Seoul 05006, Korea
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