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Sah RK, Nandan A, Kv A, S P, S S, Jose A, Venkidasamy B, Nile SH. Decoding the role of the gut microbiome in gut-brain axis, stress-resilience, or stress-susceptibility: A review. Asian J Psychiatr 2024; 91:103861. [PMID: 38134565 DOI: 10.1016/j.ajp.2023.103861] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/17/2023] [Revised: 12/01/2023] [Accepted: 12/08/2023] [Indexed: 12/24/2023]
Abstract
Increased exposure to stress is associated with stress-related disorders, including depression, anxiety, and neurodegenerative conditions. However, susceptibility to stress is not seen in every individual exposed to stress, and many of them exhibit resilience. Thus, developing resilience to stress could be a big breakthrough in stress-related disorders, with the potential to replace or act as an alternative to the available therapies. In this article, we have focused on the recent advancements in gut microbiome research and the potential role of the gut-brain axis (GBA) in developing resilience or susceptibility to stress. There might be a complex interaction between the autonomic nervous system (ANS), immune system, endocrine system, microbial metabolites, and bioactive lipids like short-chain fatty acids (SCFAs), neurotransmitters, and their metabolites that regulates the communication between the gut microbiota and the brain. High fiber intake, prebiotics, probiotics, plant supplements, and fecal microbiome transplant (FMT) could be beneficial against gut dysbiosis-associated brain disorders. These could promote the growth of SCFA-producing bacteria, thereby enhancing the gut barrier and reducing the gut inflammatory response, increase the expression of the claudin-2 protein associated with the gut barrier, and maintain the blood-brain barrier integrity by promoting the expression of tight junction proteins such as claudin-5. Their neuroprotective effects might also be related to enhancing the expression of brain-derived neurotrophic factor (BDNF) and glucagon-like peptide (GLP-1). Further investigations are needed in the field of the gut microbiome for the elucidation of the mechanisms by which gut dysbiosis contributes to the pathophysiology of neuropsychiatric disorders.
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Affiliation(s)
- Ranjay Kumar Sah
- Department of Pharmacology, Amrita School of Pharmacy, Amrita Vishwa Vidyapeetham, AIMS Health Sciences Campus, Kochi 682 041, Kerala, India
| | - Amritasree Nandan
- Department of Pharmacology, Amrita School of Pharmacy, Amrita Vishwa Vidyapeetham, AIMS Health Sciences Campus, Kochi 682 041, Kerala, India
| | - Athira Kv
- Department of Pharmacology, Amrita School of Pharmacy, Amrita Vishwa Vidyapeetham, AIMS Health Sciences Campus, Kochi 682 041, Kerala, India.
| | - Prashant S
- Department of Pharmaceutical Chemistry, Amrita School of Pharmacy, Amrita Vishwa Vidyapeetham, AIMS Health Sciences Campus, Kochi 682 041, Kerala, India
| | - Sathianarayanan S
- NITTE (Deemed to be University), NGSM Institute of Pharmaceutical Sciences, Department of Pharmaceutical Chemistry, Mangalore, India
| | - Asha Jose
- JSS College of Pharmacy, JSS Academy of Higher Education and research, Ooty 643001, Tamil Nadu, India
| | - Baskar Venkidasamy
- Department of Oral & Maxillofacial Surgery, Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences (SIMATS), Saveetha University, Chennai 600 077, Tamil Nadu, India.
| | - Shivraj Hariram Nile
- Division of Food and Nutritional Biotechnology, National Agri-Food Biotechnology Institute (NABI), Sector-81, Mohali 140306, Punjab, India.
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Nohesara S, Abdolmaleky HM, Thiagalingam S. Epigenetic Aberrations in Major Psychiatric Diseases Related to Diet and Gut Microbiome Alterations. Genes (Basel) 2023; 14:1506. [PMID: 37510410 PMCID: PMC10379841 DOI: 10.3390/genes14071506] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2023] [Revised: 07/19/2023] [Accepted: 07/21/2023] [Indexed: 07/30/2023] Open
Abstract
Nutrition and metabolism modify epigenetic signatures like histone acetylation and DNA methylation. Histone acetylation and DNA methylation in the central nervous system (CNS) can be altered by bioactive nutrients and gut microbiome via the gut-brain axis, which in turn modulate neuronal activity and behavior. Notably, the gut microbiome, with more than 1000 bacterial species, collectively contains almost three million functional genes whose products interact with millions of human epigenetic marks and 30,000 genes in a dynamic manner. However, genetic makeup shapes gut microbiome composition, food/nutrient metabolism, and epigenetic landscape, as well. Here, we first discuss the effect of changes in the microbial structure and composition in shaping specific epigenetic alterations in the brain and their role in the onset and progression of major mental disorders. Afterward, potential interactions among maternal diet/environmental factors, nutrition, and gastrointestinal microbiome, and their roles in accelerating or delaying the onset of severe mental illnesses via epigenetic changes will be discussed. We also provide an overview of the association between the gut microbiome, oxidative stress, and inflammation through epigenetic mechanisms. Finally, we present some underlying mechanisms involved in mediating the influence of the gut microbiome and probiotics on mental health via epigenetic modifications.
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Affiliation(s)
- Shabnam Nohesara
- Department of Medicine (Biomedical Genetics), Boston University School of Medicine, Boston, MA 02218, USA; (S.N.); (S.T.)
| | - Hamid Mostafavi Abdolmaleky
- Department of Medicine (Biomedical Genetics), Boston University School of Medicine, Boston, MA 02218, USA; (S.N.); (S.T.)
- Nutrition/Metabolism Laboratory, Beth Israel Deaconess Medical Center, Harvard Medical School, Boson, MA 02215, USA
| | - Sam Thiagalingam
- Department of Medicine (Biomedical Genetics), Boston University School of Medicine, Boston, MA 02218, USA; (S.N.); (S.T.)
- Department of Pathology & Laboratory Medicine, Boston University School of Medicine, Boston, MA 02218, USA
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Wang H, Bin Wang, Pan MB, Jiang ST, Wang YC, Zhu Y, Zhang QC, Dong YF. Disorders in the gut and liver are involved in depression contagion between isosexual post-stroke depression mice and the healthy cohabitors. Behav Brain Res 2023; 439:114246. [PMID: 36481213 DOI: 10.1016/j.bbr.2022.114246] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2022] [Revised: 11/21/2022] [Accepted: 11/29/2022] [Indexed: 12/12/2022]
Abstract
Despite the accumulated evidence that pair housing could attenuate post-stroke depression (PSD), but less attention has been paid to the healthy cohabitors, and the underlying mechanisms remain unclear. This study aimed to determine whether there is depressive contagion between PSD mice and their healthy cohabitors. PSD was induced by middle cerebral artery occlusion (MCAO) plus restraint stress for four weeks. Three days after MCAO, the mice were restrained two hours per day and isosexually pair-housed for four weeks. The results showed that, compared with the partners pair housed with normal control mice (Ctrl group), the partners pair housed with PSD mice (CH group) displayed depressive-like behaviors, including decreased sucrose preference rate, significantly shorter duration in the center arena and reduced total distance in the open-field test, and extended immobile time in forced swimming test and tail-suspension test without sex differences. Regarding the change in the body weight, only the males showed a significant reduction on days 17 and 24 after treatment. Furthermore, the CH group showed significantly increased corticosterone and decreased oxytocin (OXT) levels in serum, while the mRNA levels of OXT, vasopressin and oxytocin receptor were remarkably upregulated in the hypothalamus of the CH group. However, there was no significant change in the vasopressin receptor V1a. Interestingly, compared with the Ctrl group, there was a significant decrease in butyrate in serum of the CH group. Consistently, they had mild liver dysfunction with increased alanine transaminase, extended hepatic sinus surrounded by enhanced SLC22A9, and significantly increased Iba1-positive macrophages. Moreover, the expression of tight junction protein (Occludin and ZO-1) obviously decreased in the colon with increasing Iba1-positive cells. These results suggest that isosexual pair-housing with PSD mice causes the healthy partners to develop depressive-like behaviors with disturbances in the gut and liver.
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Affiliation(s)
- Hui Wang
- Department of Medical Care, School of Nursing, Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Bin Wang
- Department of Medical Care, School of Nursing, Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Mei-Bo Pan
- Department of Medical Care, School of Nursing, Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Su-Ting Jiang
- Department of Medical Care, School of Nursing, Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Yi-Chen Wang
- Department of Medical Care, School of Nursing, Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Ying Zhu
- Department of Medical Care, School of Nursing, Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Qi-Chun Zhang
- Department of Clinical Pharmacy and Toxicity, School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Yin-Feng Dong
- Department of Medical Care, School of Nursing, Nanjing University of Chinese Medicine, Nanjing 210023, China; Department of Pathology and Pathophysiology, School of Medicine & Holistic Integrative Medicine, Nanjing University of Chinese Medicine, Nanjing 210023, China.
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Mohamed Elfadil O, Mundi MS, Abdelmagid MG, Patel A, Patel N, Martindale R. Butyrate: More Than a Short Chain Fatty Acid. Curr Nutr Rep 2023:10.1007/s13668-023-00461-4. [PMID: 36763294 DOI: 10.1007/s13668-023-00461-4] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/13/2023] [Indexed: 02/11/2023]
Abstract
PURPOSE OF REVIEW The mechanistic understanding of the importance and the potential benefits of the gut microbiome has exploded in potential roles in human health and disease. Short chain fatty acids (SCFAs), including butyrate, are one of the key metabolic end products that has been a major focus of microbiome understanding. This brief review aims to describe butyrate's relation to certain biological concepts and their clinical application. RECENT FINDINGS Butyrate has reportedly been described as a potent pro-resolution molecule that has a significant role in maintaining gut immunity, supporting gut barrier function, regulation of histone deacetylase (HDAC), and numerous systemic roles. Further research is needed to explore potential benefits of adding SCFAs for patients receiving total parenteral nutrition. Butyrate plays several biological roles in intestinal epithelium anti-inflammatory pathways with clear benefits in numerous acute and chronic disease states and overall human health helping to maintain homeostasis.
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Affiliation(s)
- Osman Mohamed Elfadil
- Division of Endocrinology, Diabetes, Metabolism and Nutrition, Mayo Clinic, 200 1st St. SW, Rochester, MN, 55905, USA.
| | - Manpreet S Mundi
- Division of Endocrinology, Diabetes, Metabolism and Nutrition, Mayo Clinic, 200 1st St. SW, Rochester, MN, 55905, USA
| | - Marwa G Abdelmagid
- Division of Endocrinology, Diabetes, Metabolism and Nutrition, Mayo Clinic, 200 1st St. SW, Rochester, MN, 55905, USA
| | - Ankitaben Patel
- Division of Endocrinology, Diabetes, Metabolism and Nutrition, Mayo Clinic, 200 1st St. SW, Rochester, MN, 55905, USA
| | - Nishant Patel
- Division of Endocrinology, Diabetes, Metabolism and Nutrition, Mayo Clinic, 200 1st St. SW, Rochester, MN, 55905, USA
| | - Robert Martindale
- Division of Gastrointestinal and General Surgery, School of Medicine, Oregon Health and Sciences University, Portland, OR, USA
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Sun Y, Deng G, Fan J, Feng F, Ge Q, Song Y, Kang X. Associations of air PM 2.5 level with gut microbiota in Chinese Han preschoolers and effect modification by oxytocin receptor gene polymorphism. Environ Res 2022; 214:114123. [PMID: 35995218 DOI: 10.1016/j.envres.2022.114123] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/26/2021] [Revised: 07/13/2022] [Accepted: 08/13/2022] [Indexed: 06/15/2023]
Abstract
Variations in the single nucleotide polymorphisms (SNPs) of the oxytocin receptors (OXTR) indicate individual differences in stress response, social behavior, and psychopathology, but very few paper mentioned OXTR as part of the mechanism linking exposure to air pollution and poor social interactions. The authors investigated the moderating role of Oxytocin receptor (OXTR) rs53576 polymorphism in the relationship between PM2.5 level and gut microbiota in children, in an attempt to provide some reference for the evidence linking biological and environmental factors to children brain development. The study included 86 healthy Chinese preschoolers (50 males, 36 females) from two campuses of a kindergarten with different air PM2.5 levels. Atmospheric PM2.5 values released by air quality monitoring stations where the two campuses are located were collected for 30 days. The genotypes of OXTR rs53576 were determined by PCR and restriction fragment length polymorphism. The gut microbiota situation was evaluated by determining urinary concentrations of short-chain fatty acids. Urinary levels of cortisone and cortisol were determined to assess the impact of air pollution on the HPA axis. Urinary 2'-Deoxy-7,8-dihydro-8-oxoguanosine and 8-oxo-7,8-dihydroguanosine were measured to evaluate the oxidative stress state. The genotype distribution frequency of rs53576 polymorphism was consistent with Hardy-Weinberg equilibrium. The average urinary concentrations of cortisone, cortisol and 8-OHdG in high pollution campus preschoolers were significantly higher than those in low pollution campus preschoolers, while situations were opposite for acetic acid, propionic acid, isobutyric acid, butyric acid and valeric acid. The interaction between OXTR rs53576 and air pollution had a significant effect on urinary acetic acid. Allele G of rs53576 may be a risk factor for gut microbiota disorder caused by air pollution, and children with GA/GG genotype may be more susceptible than those with AA genotype.
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Affiliation(s)
- Ying Sun
- Key Laboratory of Child Development and Learning Science, Ministry of Education, School of Biological Science & Medical Engineering, Southeast University, Nanjing, 210096, China
| | - Guozhe Deng
- Key Laboratory of Child Development and Learning Science, Ministry of Education, School of Biological Science & Medical Engineering, Southeast University, Nanjing, 210096, China
| | - Jinhui Fan
- Key Laboratory of Child Development and Learning Science, Ministry of Education, School of Biological Science & Medical Engineering, Southeast University, Nanjing, 210096, China
| | - Fulin Feng
- Key Laboratory of Child Development and Learning Science, Ministry of Education, School of Biological Science & Medical Engineering, Southeast University, Nanjing, 210096, China
| | - Qinyu Ge
- State Key Laboratory of Bioelectronics, School of Biological Science & Medical Engineering, Southeast University, Nanjing, 210096, China
| | - Yuan Song
- Division of Child Care, Suzhou Municipal Hospital, Suzhou, 215000, China
| | - Xuejun Kang
- Key Laboratory of Child Development and Learning Science, Ministry of Education, School of Biological Science & Medical Engineering, Southeast University, Nanjing, 210096, China.
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Kim S, Park S, Choi TG, Kim SS. Role of Short Chain Fatty Acids in Epilepsy and Potential Benefits of Probiotics and Prebiotics: Targeting “Health” of Epileptic Patients. Nutrients 2022; 14:nu14142982. [PMID: 35889939 PMCID: PMC9322917 DOI: 10.3390/nu14142982] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2022] [Revised: 07/17/2022] [Accepted: 07/19/2022] [Indexed: 11/16/2022] Open
Abstract
The WHO’s definition of health transcends the mere absence of disease, emphasizing physical, mental, and social well-being. As this perspective is being increasingly applied to the management of chronic diseases, research on gut microbiota (GM) is surging, with a focus on its potential for persistent and noninvasive dietary therapeutics. In patients with epilepsy (PWE), a chronic lack of seizure control along with often neglected psychiatric comorbidities greatly disrupt the quality of life. Evidence shows that GM-derived short chain fatty acids (SCFAs) may impact seizure susceptibility through modulating (1) excitatory/inhibitory neurotransmitters, (2) oxidative stress and neuroinflammation, and (3) psychosocial stress. These functions are also connected to shared pathologies of epilepsy and its two most common psychiatric consequences: depression and anxiety. As the enhancement of SCFA production is enabled through direct administration, as well as probiotics and prebiotics, related dietary treatments may exert antiseizure effects. This paper explores the potential roles of SCFAs in the context of seizure control and its mental comorbidities, while analyzing existing studies on the effects of pro/prebiotics on epilepsy. Based on currently available data, this study aims to interpret the role of SCFAs in epileptic treatment, extending beyond the absence of seizures to target the health of PWE.
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Affiliation(s)
- Soomin Kim
- Department of Preliminary Medicine, School of Medicine, Kyung Hee University, Seoul 02447, Korea;
| | - Siyeon Park
- School of Pharmacy, Massachusetts College of Pharmacy and Health Sciences, Boston, MA 02115, USA;
| | - Tae Gyu Choi
- Department of Biochemistry and Molecular Biology, School of Medicine, Kyung Hee University, Seoul 02447, Korea
- Biomedical Science Institute, Kyung Hee University, Seoul 02447, Korea
- Correspondence: (T.G.C.); (S.S.K.); Tel.: +82-2-961-0287 (T.G.C.); +82-2-961-0524 (S.S.K.)
| | - Sung Soo Kim
- Department of Biochemistry and Molecular Biology, School of Medicine, Kyung Hee University, Seoul 02447, Korea
- Biomedical Science Institute, Kyung Hee University, Seoul 02447, Korea
- Correspondence: (T.G.C.); (S.S.K.); Tel.: +82-2-961-0287 (T.G.C.); +82-2-961-0524 (S.S.K.)
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Liu N, Sun S, Wang P, Sun Y, Hu Q, Wang X. The Mechanism of Secretion and Metabolism of Gut-Derived 5-Hydroxytryptamine. Int J Mol Sci 2021; 22:ijms22157931. [PMID: 34360695 PMCID: PMC8347425 DOI: 10.3390/ijms22157931] [Citation(s) in RCA: 51] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2021] [Revised: 06/16/2021] [Accepted: 06/19/2021] [Indexed: 12/17/2022] Open
Abstract
Serotonin, also known as 5-hydroxytryptamine (5-HT), is a metabolite of tryptophan and is reported to modulate the development and neurogenesis of the enteric nervous system, gut motility, secretion, inflammation, sensation, and epithelial development. Approximately 95% of 5-HT in the body is synthesized and secreted by enterochromaffin (EC) cells, the most common type of neuroendocrine cells in the gastrointestinal (GI) tract, through sensing signals from the intestinal lumen and the circulatory system. Gut microbiota, nutrients, and hormones are the main factors that play a vital role in regulating 5-HT secretion by EC cells. Apart from being an important neurotransmitter and a paracrine signaling molecule in the gut, gut-derived 5-HT was also shown to exert other biological functions (in autism and depression) far beyond the gut. Moreover, studies conducted on the regulation of 5-HT in the immune system demonstrated that 5-HT exerts anti-inflammatory and proinflammatory effects on the gut by binding to different receptors under intestinal inflammatory conditions. Understanding the regulatory mechanisms through which 5-HT participates in cell metabolism and physiology can provide potential therapeutic strategies for treating intestinal diseases. Herein, we review recent evidence to recapitulate the mechanisms of synthesis, secretion, regulation, and biofunction of 5-HT to improve the nutrition and health of humans.
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Affiliation(s)
- Ning Liu
- Key Laboratory of Precision Nutrition and Food Quality, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China;
- Department of Nutrition and Health, China Agricultural University, Beijing 100193, China; (P.W.); (Y.S.); (Q.H.)
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, China Agricultural University, Beijing 100193, China
| | - Shiqiang Sun
- Department of Gastroenterology and Hepatology, University Medical Center Groningen, University of Groningen, 9713ZG Groningen, The Netherlands;
- Department of Genetics, University Medical Center Groningen, University of Groningen, 9713ZG Groningen, The Netherlands
| | - Pengjie Wang
- Department of Nutrition and Health, China Agricultural University, Beijing 100193, China; (P.W.); (Y.S.); (Q.H.)
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, China Agricultural University, Beijing 100193, China
| | - Yanan Sun
- Department of Nutrition and Health, China Agricultural University, Beijing 100193, China; (P.W.); (Y.S.); (Q.H.)
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, China Agricultural University, Beijing 100193, China
| | - Qingjuan Hu
- Department of Nutrition and Health, China Agricultural University, Beijing 100193, China; (P.W.); (Y.S.); (Q.H.)
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, China Agricultural University, Beijing 100193, China
| | - Xiaoyu Wang
- Key Laboratory of Precision Nutrition and Food Quality, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China;
- Correspondence: ; Tel.: +86-10-6273-8589
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