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Du X, Tang Z, Yan L, Zhang L, Zheng Q, Zeng X, Hu Q, Tian Q, Liang L, Zhao X, Li J, Zhao M, Fu X. Norepinephrine may promote the progression of Fusobacterium nucleatum related colorectal cancer via quorum sensing signalling. Virulence 2024; 15:2350904. [PMID: 38725098 PMCID: PMC11085999 DOI: 10.1080/21505594.2024.2350904] [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: 10/16/2023] [Accepted: 04/27/2024] [Indexed: 05/12/2024] Open
Abstract
Fusobacterium nucleatum (F. nucleatum) is closely correlated with tumorigenesis in colorectal cancer (CRC). We aimed to investigate the effects of host norepinephrine on the carcinogenicity of F. nucleatum in CRC and reveal the underlying mechanism. The results revealed that both norepinephrine and bacterial quorum sensing (QS) molecule auto-inducer-2 (AI-2) were positively associated with the progression of F. nucleatum related CRC (p < 0.01). In vitro studies, norepinephrine induced upregulation of QS-associated genes and promoted the virulence and proliferation of F. nucleatum. Moreover, chronic stress significantly increased the colon tumour burden of ApcMin/+ mice infected with F. nucleatum (p < 0.01), which was decreased by a catecholamine inhibitor (p < 0.001). Our findings suggest that stress-induced norepinephrine may promote the progression of F. nucleatum related CRC via bacterial QS signalling. These preliminary data provide a novel strategy for the management of pathogenic bacteria by targeting host hormones-bacterial QS inter-kingdom signalling.
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Affiliation(s)
- Xinhao Du
- Department of Gastroenterology, Clinical Medical College and the First Affiliated Hospital of Chengdu Medical College, Chengdu, Sichuan, P.R. China
| | - Zhenzhen Tang
- Clinical Medical College, North Sichuan Medical College, Nanchong, Sichuan, P.R. China
| | - Li Yan
- Clinical Medical College, North Sichuan Medical College, Nanchong, Sichuan, P.R. China
| | - Ling Zhang
- Clinical Medical College, North Sichuan Medical College, Nanchong, Sichuan, P.R. China
| | - Qiao Zheng
- Clinical Medical College, North Sichuan Medical College, Nanchong, Sichuan, P.R. China
| | - Xianghao Zeng
- Department of Gastroenterology, Clinical Medical College and the First Affiliated Hospital of Chengdu Medical College, Chengdu, Sichuan, P.R. China
| | - Qing Hu
- Clinical Medical College, North Sichuan Medical College, Nanchong, Sichuan, P.R. China
| | - Qian Tian
- Department of Gastroenterology, Clinical Medical College and the First Affiliated Hospital of Chengdu Medical College, Chengdu, Sichuan, P.R. China
| | - Lanfan Liang
- Department of Gastroenterology, Clinical Medical College and the First Affiliated Hospital of Chengdu Medical College, Chengdu, Sichuan, P.R. China
| | - Xinyu Zhao
- Department of Gastroenterology, Clinical Medical College and the First Affiliated Hospital of Chengdu Medical College, Chengdu, Sichuan, P.R. China
| | - Jun Li
- Department of Gastroenterology, Clinical Medical College and the First Affiliated Hospital of Chengdu Medical College, Chengdu, Sichuan, P.R. China
| | - Ming Zhao
- Department of Gastroenterology, Clinical Medical College and the First Affiliated Hospital of Chengdu Medical College, Chengdu, Sichuan, P.R. China
| | - Xiangsheng Fu
- Department of Gastroenterology, Clinical Medical College and the First Affiliated Hospital of Chengdu Medical College, Chengdu, Sichuan, P.R. China
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2
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Benvenuti L, Di Salvo C, Bellini G, Seguella L, Rettura F, Esposito G, Antonioli L, Ceravolo R, Bernardini N, Pellegrini C, Fornai M. Gut-directed therapy in Parkinson's disease. Front Pharmacol 2024; 15:1407925. [PMID: 38974034 PMCID: PMC11224490 DOI: 10.3389/fphar.2024.1407925] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2024] [Accepted: 05/17/2024] [Indexed: 07/09/2024] Open
Abstract
Parkinson's disease (PD) is a common and slow-progressing neurodegenerative disorder characterized by motor and non-motor symptoms, including gastrointestinal (GI) dysfunctions. Over the last years, the microbiota-gut-brain (MGB) axis is emerging as a bacterial-neuro-immune ascending pathway that contributes to the progression of PD. Indeed, PD patients are characterized by changes in gut microbiota composition, alterations of intestinal epithelial barrier (IEB) and enteric neurogenic/inflammatory responses that, besides determining intestinal disturbances, contribute to brain pathology. In this context, despite the causal relationship between gut dysbiosis, impaired MGB axis and PD remains to be elucidated, emerging evidence shows that MGB axis modulation can represent a suitable therapeutical strategy for the treatment of PD. This review provides an overview of the available knowledge about the beneficial effects of gut-directed therapies, including dietary interventions, prebiotics, probiotics, synbiotics and fecal microbiota transplantation (FMT), in both PD patients and animal models. In this context, particular attention has been devoted to the mechanisms by which the modulation of MGB axis could halt or slow down PD pathology and, most importantly, how these approaches can be included in the clinical practice.
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Affiliation(s)
- Laura Benvenuti
- Unit of Pharmacology and Pharmacovigilance, Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy
| | - Clelia Di Salvo
- Unit of Pharmacology and Pharmacovigilance, Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy
| | - Gabriele Bellini
- Unit of Neurology, Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy
| | - Luisa Seguella
- Department of Physiology and Pharmacology “V.Erspamer”, Sapienza University of Rome, Rome, Italy
| | - Francesco Rettura
- Unit of Gastroenterology, Department of Translational Research and New Technologies in Medicine and Surgery, University of Pisa, Pisa, Italy
| | - Giuseppe Esposito
- Department of Physiology and Pharmacology “V.Erspamer”, Sapienza University of Rome, Rome, Italy
| | - Luca Antonioli
- Unit of Pharmacology and Pharmacovigilance, Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy
| | - Roberto Ceravolo
- Unit of Neurology, Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy
| | - Nunzia Bernardini
- Unit of Histology and Medical Embryology, Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy
| | - Carolina Pellegrini
- Unit of Histology and Medical Embryology, Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy
| | - Matteo Fornai
- Unit of Pharmacology and Pharmacovigilance, Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy
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Awe T, Fasawe A, Sawe C, Ogunware A, Jamiu AT, Allen M. The modulatory role of gut microbiota on host behavior: exploring the interaction between the brain-gut axis and the neuroendocrine system. AIMS Neurosci 2024; 11:49-62. [PMID: 38617041 PMCID: PMC11007408 DOI: 10.3934/neuroscience.2024004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2023] [Revised: 03/26/2024] [Accepted: 03/28/2024] [Indexed: 04/16/2024] Open
Abstract
The brain-gut axis refers to the communication between the central nervous system and the gastrointestinal tract, with the gut microbiome playing a crucial role. While our understanding of the interaction between the gut microbiome and the host's physiology is still in its nascent stage, evidence suggests that the gut microbiota can indeed modulate host behavior. Understanding the specific mechanisms by which the gut microbiota community modulates the host's behavior remains the focus of present and future neuro-gastroenterology studies. This paper reviews several pieces of evidence from the literature on the impact of gut microbiota on host behavior across animal taxa. We explore the different pathways through which this modulation occurs, with the aim of deepening our understanding of the fascinating relationship between the gut microbiome and the central nervous system.
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Affiliation(s)
- Temitope Awe
- Department of Cell Biology and Genetics, University of Lagos, Lagos, Nigeria
- School of Biological Sciences, Illinois State University, Normal, IL, USA
| | - Ayoola Fasawe
- School of Biological Sciences, Illinois State University, Normal, IL, USA
| | - Caleb Sawe
- School of Biological Sciences, Illinois State University, Normal, IL, USA
| | - Adedayo Ogunware
- Department of Neuroscience, Developmental and Regenerative Biology, University of Texas at San Antonio, San Antonio, TX, USA
| | | | - Michael Allen
- Department of Physiology, College of Medicine, Lagos State University, Lagos, Nigeria
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4
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Abdelhamid M, Jung CG, Zhou C, Inoue R, Chen Y, Sento Y, Hida H, Michikawa M. Potential Therapeutic Effects of Bifidobacterium breve MCC1274 on Alzheimer's Disease Pathologies in AppNL-G-F Mice. Nutrients 2024; 16:538. [PMID: 38398861 PMCID: PMC10893354 DOI: 10.3390/nu16040538] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2024] [Revised: 02/08/2024] [Accepted: 02/13/2024] [Indexed: 02/25/2024] Open
Abstract
We previously demonstrated that orally supplemented Bifidobacterium breve MCC1274 (B. breve MCC1274) mitigated Alzheimer's disease (AD) pathologies in both 7-month-old AppNL-G-F mice and wild-type mice; thus, B. breve MCC1274 supplementation might potentially prevent the progression of AD. However, the possibility of using this probiotic as a treatment for AD remains unclear. Thus, we investigated the potential therapeutic effects of this probiotic on AD using 17-month-old AppNL-G-F mice with memory deficits and amyloid beta saturation in the brain. B. breve MCC1274 supplementation ameliorated memory impairment via an amyloid-cascade-independent pathway. It reduced hippocampal and cortical levels of phosphorylated extracellular signal-regulated kinase and c-Jun N-terminal kinase as well as heat shock protein 90, which might have suppressed tau hyperphosphorylation and chronic stress. Moreover, B. breve MCC1274 supplementation increased hippocampal synaptic protein levels and upregulated neuronal activity. Thus, B. breve MCC1274 supplementation may alleviate cognitive dysfunction by reducing chronic stress and tau hyperphosphorylation, thereby enhancing both synaptic density and neuronal activity in 17-month-old AppNL-G-F mice. Overall, this study suggests that B. breve MCC1274 has anti-AD effects and can be used as a potential treatment for AD.
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Affiliation(s)
- Mona Abdelhamid
- Department of Biochemistry, Graduate School of Medical Sciences, Nagoya City University, 1 Kawasumi, Mizuho-cho, Mizuho-ku, Nagoya 467-8601, Japan; (M.A.); (C.Z.); (R.I.); (Y.C.)
| | - Cha-Gyun Jung
- Department of Biochemistry, Graduate School of Medical Sciences, Nagoya City University, 1 Kawasumi, Mizuho-cho, Mizuho-ku, Nagoya 467-8601, Japan; (M.A.); (C.Z.); (R.I.); (Y.C.)
- Department of Neurophysiology and Brain Science, Graduate School of Medical Sciences, Nagoya City University, 1 Kawasumi, Mizuho-cho, Mizuho-ku, Nagoya 467-8601, Japan;
| | - Chunyu Zhou
- Department of Biochemistry, Graduate School of Medical Sciences, Nagoya City University, 1 Kawasumi, Mizuho-cho, Mizuho-ku, Nagoya 467-8601, Japan; (M.A.); (C.Z.); (R.I.); (Y.C.)
| | - Rieko Inoue
- Department of Biochemistry, Graduate School of Medical Sciences, Nagoya City University, 1 Kawasumi, Mizuho-cho, Mizuho-ku, Nagoya 467-8601, Japan; (M.A.); (C.Z.); (R.I.); (Y.C.)
| | - Yuxin Chen
- Department of Biochemistry, Graduate School of Medical Sciences, Nagoya City University, 1 Kawasumi, Mizuho-cho, Mizuho-ku, Nagoya 467-8601, Japan; (M.A.); (C.Z.); (R.I.); (Y.C.)
| | - Yoshiki Sento
- Department of Anesthesiology and Intensive Care Medicine, Graduate School of Medical Sciences, Nagoya City University, 1 Kawasumi, Mizuho-cho, Mizuho-ku, Nagoya 467-8601, Japan;
| | - Hideki Hida
- Department of Neurophysiology and Brain Science, Graduate School of Medical Sciences, Nagoya City University, 1 Kawasumi, Mizuho-cho, Mizuho-ku, Nagoya 467-8601, Japan;
| | - Makoto Michikawa
- Department of Biochemistry, Graduate School of Medical Sciences, Nagoya City University, 1 Kawasumi, Mizuho-cho, Mizuho-ku, Nagoya 467-8601, Japan; (M.A.); (C.Z.); (R.I.); (Y.C.)
- Department of Geriatric Medicine School of Life, Dentistry at Niigata, Nippon Dental University, 1-8 Hamaura-cho, Chuo-ku, Niigata 951-8580, Japan
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5
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Sultana OF, Hia RA, Reddy PH. A Combinational Therapy for Preventing and Delaying the Onset of Alzheimer's Disease: A Focus on Probiotic and Vitamin Co-Supplementation. Antioxidants (Basel) 2024; 13:202. [PMID: 38397800 PMCID: PMC10886126 DOI: 10.3390/antiox13020202] [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: 12/30/2023] [Revised: 01/27/2024] [Accepted: 02/02/2024] [Indexed: 02/25/2024] Open
Abstract
Alzheimer's disease is a progressive neurodegenerative disorder with a complex etiology, and effective interventions to prevent or delay its onset remain a global health challenge. In recent years, there has been growing interest in the potential role of probiotic and vitamin supplementation as complementary strategies for Alzheimer's disease prevention. This review paper explores the current scientific literature on the use of probiotics and vitamins, particularly vitamin A, D, E, K, and B-complex vitamins, in the context of Alzheimer's disease prevention and management. We delve into the mechanisms through which probiotics may modulate gut-brain interactions and neuroinflammation while vitamins play crucial roles in neuronal health and cognitive function. The paper also examines the collective impact of this combinational therapy on reducing the risk factors associated with Alzheimer's disease, such as oxidative stress, inflammation, and gut dysbiosis. By providing a comprehensive overview of the existing evidence and potential mechanisms, this review aims to shed light on the promise of probiotic and vitamin co-supplementation as a multifaceted approach to combat Alzheimer's disease, offering insights into possible avenues for future research and clinical application.
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Affiliation(s)
- Omme Fatema Sultana
- Department of Internal Medicine, Texas Tech University Health Sciences Center, Lubbock, TX 79430, USA;
| | - Raksa Andalib Hia
- Nutritional Sciences Department, College of Human Sciences, Texas Tech University, Lubbock, TX 79409, USA;
| | - P. Hemachandra Reddy
- Department of Internal Medicine, Texas Tech University Health Sciences Center, Lubbock, TX 79430, USA;
- Nutritional Sciences Department, College of Human Sciences, Texas Tech University, Lubbock, TX 79409, USA;
- Public Health Department of Graduate School of Biomedical Sciences, Texas Tech University Health Sciences Center, Lubbock, TX 79430, USA
- Department of Speech, Language and Hearing Sciences, School Health Professions, Texas Tech University Health Sciences Center, Lubbock, TX 79430, USA
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Kim J. Autism Spectrum Disorder and Eating Problems: The Imbalance of Gut Microbiota and the Gut-Brain Axis Hypothesis. Soa Chongsonyon Chongsin Uihak 2024; 35:51-56. [PMID: 38204735 PMCID: PMC10774563 DOI: 10.5765/jkacap.230063] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2023] [Revised: 11/29/2023] [Accepted: 11/29/2023] [Indexed: 01/12/2024] Open
Abstract
This review explores the complexities of autism spectrum disorder (ASD), primarily focusing on the significant eating challenges faced by children and adolescents with this neurodevelopmental condition. It is common for individuals with ASD to exhibit heightened sensitivity to various sensory aspects of food such as taste, texture, smell, and visual appeal, leading to restricted and less diverse diets. These dietary limitations are believed to contribute to an imbalance in the gut microbiota. This review elaborates on how these eating problems, coupled with the distinctive characteristics of ASD, might be influenced by and, in turn, influence the gut-brain axis, a bidirectional communication system between the gastrointestinal tract and the brain. This discussion aims to shed light on the multifaceted interactions and potential implications of diet, gut health, and neurological development and function in children and adolescents with ASD.
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Affiliation(s)
- Jiyoung Kim
- NUSEUM Inc., Seoul, Korea
- Center for Food and Bioconvergence, Seoul National University, Seoul, Korea
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7
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Gong XR, You XR, Guo MR, Ding XY, Ma BX. Children autism spectrum disorder and gut microbiota: A bibliometric and visual analysis from 2000 to 2023. Medicine (Baltimore) 2023; 102:e36794. [PMID: 38206702 PMCID: PMC10754604 DOI: 10.1097/md.0000000000036794] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/10/2023] [Accepted: 12/05/2023] [Indexed: 01/13/2024] Open
Abstract
Autism spectrum disorder (ASD) has evolved from a narrow and rare childhood-onset disorder to a widely publicized and researched lifelong disease recognized as common and significantly heterogeneous. Researchers have suggested that gastrointestinal symptoms in ASD may be a manifestation of an underlying inflammatory process. However, there is a lack of bibliometric analysis of ASD and gut microbiota in children. Accordingly, this study conducts a bibliometric analysis of ASD and gut microbiota in children from 2000 to 2023, explores the current status and cutting-edge trends in the field of ASD and gut microbiota in children, and identifies new directions for future research. The literature on ASD and gut microbiota in children was screened using the Web of Science Core Collection from 2000 to 2023. Annual publications, countries, institutions, authors, journals, keywords, and references were visualized and analyzed using CiteSpace 5.8. R3 and VOSviewer1.6.18. This study included 1071 publications. Since the beginning of 2011, the overall number of articles shows an upward trend. The most productive country and institution are the United States and the University of California system, respectively. The most frequently cited author is Kang Dae-Wook, with 790 citations, who has contributed significantly to this field. Timothy Dinan is the most prolific author, with 34 articles. The journal with the most published articles on this topic is Nutrients, whereas PLOS One is the most cited journal. The most used keyword is "gut microbiota," and the reference for the highest outbreak intensity is Hsiao. The research hotspots and trends predicted in this study provide a reference for further in-depth research in this field.
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Affiliation(s)
- Xing-Ruo Gong
- Hebei University of Chinese Medicine, Shijiazhuang, China
| | - Xiao-Rui You
- Hebei University of Chinese Medicine, Shijiazhuang, China
| | - Mei-Ran Guo
- Hebei University of Chinese Medicine, Shijiazhuang, China
| | - Xue-Ying Ding
- Henan University of Chinese Medicine, Zhengzhou, China
| | - Bing-Xiang Ma
- The First Affiliated Hospital of Henan University of Chinese Medicine, Zhengzhou, China
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Morisaki Y, Miyata N, Nakashima M, Hata T, Takakura S, Yoshihara K, Suematsu T, Nomoto K, Miyazaki K, Tsuji H, Sudo N. Persistence of gut dysbiosis in individuals with anorexia nervosa. PLoS One 2023; 18:e0296037. [PMID: 38117788 PMCID: PMC10732397 DOI: 10.1371/journal.pone.0296037] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2023] [Accepted: 12/03/2023] [Indexed: 12/22/2023] Open
Abstract
Recent evidence suggests a crucial role of the gut microbiota in the pathogenesis of anorexia nervosa (AN). In this study, we carried out a series of multiple analyses of the gut microbiota of hospitalized individuals with AN over three months using 16S or 23S rRNA-targeted reverse transcription-quantitative polymerase chain reaction (PCR) technology (YIF-SCAN®), which is highly sensitive and enables the precise quantification of viable microorganisms. Despite the weight gain and improvements in psychological features observed during treatment, individuals with AN exhibited persistent gut microbial dysbiosis over the three-month duration. Principal component analysis further underscored the distinct microbial profile of individuals with AN, compared with that of age-matched healthy women at all time points. Regarding the kinetics of bacterial detection, the detection rate of Lactiplantibacillus spp. significantly increased after inpatient treatment. Additionally, the elevation in the Bifidobacterium counts during inpatient treatment was significantly correlated with the subsequent body weight gain after one year. Collectively, these findings suggest that gut dysbiosis in individuals with AN may not be easily restored solely through weight gain, highlighting the potential of therapeutic interventions targeting microbiota via dietary modifications or live biotherapeutics.
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Affiliation(s)
- Yukiko Morisaki
- Department of Psychosomatic Medicine, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Noriyuki Miyata
- Department of Psychosomatic Medicine, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Megumi Nakashima
- Department of Psychosomatic Medicine, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Tomokazu Hata
- Department of Psychosomatic Medicine, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Shu Takakura
- Department of Psychosomatic Medicine, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Kazufumi Yoshihara
- Department of Psychosomatic Medicine, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
- Center for Health Sciences and Counseling, Kyushu University, Fukuoka, Japan
| | - Takafumi Suematsu
- Department of Psychosomatic Medicine, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Koji Nomoto
- Faculty of Life Sciences, Department of Molecular Microbiology, Tokyo University of Agriculture, Setagaya City, Japan
| | | | | | - Nobuyuki Sudo
- Department of Psychosomatic Medicine, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
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Landini L, Dadson P, Gallo F, Honka MJ, Cena H. Microbiota in anorexia nervosa: potential for treatment. Nutr Res Rev 2023; 36:372-391. [PMID: 35875979 DOI: 10.1017/s0954422422000130] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
Anorexia nervosa (AN) is characterised by the restriction of energy intake in relation to energy needs and a significantly lowered body weight than normally expected, coupled with an intense fear of gaining weight. Treatment of AN is currently based on psychological and refeeding approaches, but their efficacy remains limited since 40% of patients after 10 years of medical care still present symptoms of AN. The intestine hosts a large community of microorganisms, called the "microbiota", which live in symbiosis with the human host. The gut microbiota of a healthy human is dominated by bacteria from two phyla: Firmicutes and, majorly, Bacteroidetes. However, the proportion in their representation differs on an individual basis and depends on many external factors including medical treatment, geographical location and hereditary, immunological and lifestyle factors. Drastic changes in dietary intake may profoundly impact the composition of the gut microbiota, and the resulting dysbiosis may play a part in the onset and/or maintenance of comorbidities associated with AN, such as gastrointestinal disorders, anxiety and depression, as well as appetite dysregulation. Furthermore, studies have reported the presence of atypical intestinal microbial composition in patients with AN compared with healthy normal-weight controls. This review addresses the current knowledge about the role of the gut microbiota in the pathogenesis and treatment of AN. The review also focuses on the bidirectional interaction between the gastrointestinal tract and the central nervous system (microbiota-gut-brain axis), considering the potential use of the gut microbiota manipulation in the prevention and treatment of AN.
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Affiliation(s)
- Linda Landini
- S.S.D. Dietetics and Clinical Nutrition ASL 4 Chiavarese Liguria-Sestri Levante Hospital, Sestri Levante, Italy
| | - Prince Dadson
- Turku PET Centre, University of Turku, Turku, Finland
| | - Fabrizio Gallo
- S.S.D. Dietetics and Clinical Nutrition ASL 4 Chiavarese Liguria-Sestri Levante Hospital, Sestri Levante, Italy
| | | | - Hellas Cena
- Dietetics and Clinical Nutrition Laboratory, Department of Public Health, Experimental and Forensic Medicine, University of Pavia, Pavia, Italy
- Clinical Nutrition and Dietetics Service, Unit of Internal Medicine and Endocrinology, ICS Maugeri IRCCS, Pavia, Italy
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10
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Zhang W, Teng M, Yan J, Chen L. Study effect and mechanism of levofloxacin on the neurotoxicity of Rana nigromaculata tadpoles exposed to imidacloprid based on the microbe-gut-brain axis. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 872:162098. [PMID: 36764551 DOI: 10.1016/j.scitotenv.2023.162098] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/07/2022] [Revised: 01/25/2023] [Accepted: 02/04/2023] [Indexed: 06/18/2023]
Abstract
Aquatic organisms may be simultaneously exposed to antibiotics and pesticides. After levofloxacin (LVFX), imidacloprid (IMI) exposure and co-exposure at environmental levels, we found LVFX and IMI had antagonistic effect on the neurotoxicity of tadpoles. IMI-induced neurotoxicity on tadpoles can be explained by oxidative stress and hormone levels in some degree. By regulating ornithine, l-asparagine, putrescine and tryptamine in the intestine, LVFX affected glutathione metabolism, arginine and proline metabolism, alanine, aspartate and glutamate metabolism, tyrosine metabolism and aminoacyl tRNA biosynthesis, so then eased the neurotoxicity caused by IMI. More interestingly, Fusobacteriota and Cetobacterium might play an important role on easing the neurotoxicity caused by IMI. In addition, LVFX might have a laxation effect on the increased relative abundance of Bacteroidota caused by IMI. In conclusion, IMI not only affected oxidative stress and hormone levels in the brain, but also affected the synthesis of neurotransmitters in the intestine by regulating intestinal microbiota. In LVFX and IMI co-exposed groups, LVFX alleviated the neurotoxicity caused by IMI through regulating the intestinal microbiota, showing as an antagonistic effect. Our results provided a new perspective for aquatic ecological risk assessment under co-exposure of antibiotics and pesticides.
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Affiliation(s)
- Wenjun Zhang
- Key Laboratory of Integrated Regulation and Resources Development on Shallow Lakes of Ministry of Education, College of Environment, Hohai University, Nanjing 210098, China.
| | - Miaomiao Teng
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing 100012, China
| | - Jin Yan
- National and Local Joint Engineering Laboratory of Municipal Sewage Resource Utilization Technology, School of Environmental Science and Engineering, Suzhou University of Science and Technology, Suzhou 215009, China
| | - Li Chen
- Human Nutrition Program, Department of Human Sciences, The Ohio State University, Columbus, OH 43210, USA
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Kondaveeti SN, Thekkekkara D, T LN, Manjula SN, Tausif YM, Babu A, Meheronnisha SK. A Deep Insight into the Correlation Between Gut Dysbiosis and Alzheimer’s Amyloidopathy. J Pharmacol Pharmacother 2023. [DOI: 10.1177/0976500x221150310] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/24/2023] Open
Abstract
Background Recent research has shown a strong correlation between gut dysbiosis and Alzheimer’s disease (AD). Purpose To investigate the relationship between gut dysbiosis, immune system activation, and the onset of AD and to examine current breakthroughs in microbiota-targeted AD therapeutics. Methods A review of scientific literature was conducted to assess the correlation between gut dysbiosis and AD and the various factors associated. Results Gut dysbiosis produces an increase in harmful substances, such as bacterial amyloids, which makes the gut barrier and blood-brain barrier more permeable. This leads to the stimulation of immunological responses and an increase in cytokines such as interleukin-1β (IL-1β). As a result, gut dysbiosis accelerates the progression of AD. Conclusion The review highlights the connection between gut dysbiosis and AD and the potential for microbiota-targeted therapies in AD treatment. Pictorial Abstract
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Affiliation(s)
| | - Dithu Thekkekkara
- Department of Pharmacology, JSS College of Pharmacy, JSS Academy of Higher Education and Research, Mysuru, India
| | - Lakshmi Narayanan T
- Department of Pharmacology, JSS College of Pharmacy, JSS Academy of Higher Education and Research, Mysuru, India
| | - S. N. Manjula
- Department of Pharmacology, JSS College of Pharmacy, JSS Academy of Higher Education and Research, Mysuru, India
| | - Y Mohammed Tausif
- Department of Pharmacology, JSS College of Pharmacy, JSS Academy of Higher Education and Research, Mysuru, India
| | - Amrita Babu
- Department of Pharmacology, JSS College of Pharmacy, JSS Academy of Higher Education and Research, Mysuru, India
| | - SK Meheronnisha
- Department of Pharmacology, JSS College of Pharmacy, JSS Academy of Higher Education and Research, Mysuru, India
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12
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Liu YS, Zhao HF, Li Q, Cui HW, Huang GD. Research Progress on the Etiology and Pathogenesis of Alzheimer's Disease from the Perspective of Chronic Stress. Aging Dis 2022:AD.2022.1211. [PMID: 37163426 PMCID: PMC10389837 DOI: 10.14336/ad.2022.1211] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2022] [Accepted: 12/12/2022] [Indexed: 05/12/2023] Open
Abstract
Due to its extremely complex pathogenesis, no effective drugs to prevent, delay progression, or cure Alzheimer's disease (AD) exist at present. The main pathological features of AD are senile plaques composed of β-amyloid, neurofibrillary tangles formed by hyperphosphorylation of the tau protein, and degeneration or loss of neurons in the brain. Many risk factors associated with the onset of AD, including gene mutations, aging, traumatic brain injury, endocrine and cardiovascular diseases, education level, and obesity. Growing evidence points to chronic stress as one of the major risk factors for AD, as it can promote the onset and development of AD-related pathologies via a mechanism that is not well known. The use of murine stress models, including restraint, social isolation, noise, and unpredictable stress, has contributed to improving our understanding of the relationship between chronic stress and AD. This review summarizes the evidence derived from murine models on the pathological features associated with AD and the related molecular mechanisms induced by chronic stress. These results not only provide a retrospective interpretation for understanding the pathogenesis of AD, but also provide a window of opportunity for more effective preventive and identifying therapeutic strategies for stress-induced AD.
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Affiliation(s)
- Yun-Sheng Liu
- Department of Neurosurgery, Shenzhen Second People's Hospital/the First Affiliated Hospital of Shenzhen University Health Science Center, Shenzhen, China
| | - Hua-Fu Zhao
- Department of Neurosurgery, Shenzhen Second People's Hospital/the First Affiliated Hospital of Shenzhen University Health Science Center, Shenzhen, China
| | - Qian Li
- Department of Neurosurgery, Shenzhen Second People's Hospital/the First Affiliated Hospital of Shenzhen University Health Science Center, Shenzhen, China
| | - Han-Wei Cui
- The Central Laboratory, Shenzhen Second People's Hospital/the First Affiliated Hospital of Shenzhen University Health Science Center, Shenzhen, China
- Central Laboratory, Shenzhen Samii Medical Center, Shenzhen, China
| | - Guo-Dong Huang
- Department of Neurosurgery, Shenzhen Second People's Hospital/the First Affiliated Hospital of Shenzhen University Health Science Center, Shenzhen, China
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13
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Raj K, Singh S, Chib S, Mallan S. Microbiota- Brain-Gut-Axis Relevance to Parkinson's Disease: Potential Therapeutic Effects of Probiotics. Curr Pharm Des 2022; 28:3049-3067. [PMID: 36200207 DOI: 10.2174/1381612828666221003112300] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2022] [Accepted: 09/02/2022] [Indexed: 01/28/2023]
Abstract
Parkinson's disease (PD) is the second most common type of neurogenerative disease among middleaged and older people, characterized by aggregation of alpha-synuclein and dopaminergic neuron loss. The microbiota- gut-brain axis is a dynamic bidirectional communication network and is involved in the pathogenesis of PD. The aggregation of misfolded protein alpha-synuclein is a neuropathological characteristic of PD, originates in the gut and migrates to the central nervous system (CNS) through the vagus nerve and olfactory bulb. The change in the architecture of gut microbiota increases the level short-chain fatty acids (SCFAs) and other metabolites, acting on the neuroendocrine system and modulating the concentrations of gamma-Aminobutyric acid (GABA), serotonin, and other neurotransmitters. It also alters the vagus and intestinal signalling, influencing the brain and behaviour by activating microglia and systemic cytokines. Both experimental and clinical reports indicate the role of intestinal dysbiosis and microbiota host interaction in neurodegeneration. Probiotics are live microorganisms that modify the gut microbiota in the small intestine to avoid neurological diseases. Probiotics have been shown in clinical and preclinical studies to be effective in the treatment of PD by balancing the gut microbiota. In this article, we described the role of gut-microbiota in the pathogenesis of PD. The article aims to explore the mechanistic strategy of the gut-brain axis and its relation with motor impairment and the use of probiotics to maintain gut microbial flora and prevent PD-like symptoms.
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Affiliation(s)
- Khadga Raj
- Department of Pharmacology, ISF College of Pharmacy, Moga, Punjab 142001, India
| | - Shamsher Singh
- Neuroscience Division, Department of Pharmacology, ISF College of Pharmacy, Moga, Punjab 142001, India
| | - Shivani Chib
- Department of Pharmacology, ISF College of Pharmacy, Moga, Punjab 142001, India
| | - Sudhanshu Mallan
- Department of Pharmacology, ISF College of Pharmacy, Moga, Punjab 142001, India
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14
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Kaiyrlykyzy A, Kozhakhmetov S, Babenko D, Zholdasbekova G, Alzhanova D, Olzhayev F, Baibulatova A, Kushugulova AR, Askarova S. Study of gut microbiota alterations in Alzheimer's dementia patients from Kazakhstan. Sci Rep 2022; 12:15115. [PMID: 36068280 PMCID: PMC9448737 DOI: 10.1038/s41598-022-19393-0] [Citation(s) in RCA: 34] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2022] [Accepted: 08/29/2022] [Indexed: 11/30/2022] Open
Abstract
We have investigated the diversity and composition of gut microbiotas isolated from AD (Alzheimer's disease) patients (n = 41) and healthy seniors (n = 43) from Nur-Sultan city (Kazakhstan). The composition of the gut microbiota was characterized by 16S ribosomal RNA sequencing. Our results demonstrated significant differences in bacterial abundance at phylum, class, order, and genus levels in AD patients compared to healthy aged individuals. Relative abundance analysis has revealed increased amount of taxa belonging to Acidobacteriota, Verrucomicrobiota, Planctomycetota and Synergistota phyla in AD patients. Among bacterial genera, microbiotas of AD participants were characterized by a decreased amount of Bifidobacterium, Clostridia bacterium, Castellaniella, Erysipelotrichaceae UCG-003, Roseburia, Tuzzerella, Lactobacillaceae and Monoglobus. Differential abundance analysis determined enriched genera of Christensenellaceae R-7 group, Prevotella, Alloprevotella, Eubacterium coprostanoligenes group, Ruminococcus, Flavobacterium, Ohtaekwangia, Akkermansia, Bacteroides sp. Marseille-P3166 in AD patients, whereas Levilactobacillus, Lactiplantibacillus, Tyzzerella, Eubacterium siraeum group, Monoglobus, Bacteroides, Erysipelotrichaceae UCG-003, Veillonella, Faecalibacterium, Roseburia, Haemophilus were depleted. We have also found correlations between some bacteria taxa and blood serum biochemical parameters. Adiponectin was correlated with Acidimicrobiia, Faecalibacterium, Actinobacteria, Oscillospiraceae, Prevotella and Christensenellaceae R-7. The Christensenellaceae R-7 group and Acidobacteriota were correlated with total bilirubin, while Firmicutes, Acidobacteriales bacterium, Castellaniella alcaligenes, Lachnospiraceae, Christensenellaceae and Klebsiella pneumoniae were correlated with the level of CRP in the blood of AD patients. In addition, we report the correlations found between disease severity and certain fecal bacteria. This is the first reported study demonstrating gut microbiota alterations in AD in the Central Asian region.
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Affiliation(s)
- Aiym Kaiyrlykyzy
- Laboratory of Bioengineering and Regenerative Medicine, Center for Life Sciences, National Laboratory Astana, Nazarbayev University, Nur-Sultan, Kazakhstan.,Graduate School of Public Health, Al-Farabi Kazakh National University, Almaty, Kazakhstan
| | - Samat Kozhakhmetov
- Laboratory of Human Microbiome and Longevity, Center for Life Sciences, National Laboratory Astana, Nazarbayev University, Nur-Sultan, Kazakhstan.,Kazakhstan Society of Human Microbiome Researchers, Nur-Sultan, Kazakhstan
| | - Dmitriy Babenko
- Medical University Karaganda, Karagandy, Kazakhstan.,Innovative Center ArtScience, Nur-Sultan, Kazakhstan
| | | | - Dinara Alzhanova
- Department of Neurology, Medical University Astana, Nur-Sultan, Kazakhstan
| | - Farkhad Olzhayev
- Laboratory of Bioengineering and Regenerative Medicine, Center for Life Sciences, National Laboratory Astana, Nazarbayev University, Nur-Sultan, Kazakhstan
| | - Aida Baibulatova
- Laboratory of Bioengineering and Regenerative Medicine, Center for Life Sciences, National Laboratory Astana, Nazarbayev University, Nur-Sultan, Kazakhstan
| | - Almagul R Kushugulova
- Laboratory of Human Microbiome and Longevity, Center for Life Sciences, National Laboratory Astana, Nazarbayev University, Nur-Sultan, Kazakhstan. .,Kazakhstan Society of Human Microbiome Researchers, Nur-Sultan, Kazakhstan.
| | - Sholpan Askarova
- Laboratory of Bioengineering and Regenerative Medicine, Center for Life Sciences, National Laboratory Astana, Nazarbayev University, Nur-Sultan, Kazakhstan.
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15
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Sun X, Xue L, Wang Z, Xie A. Update to the Treatment of Parkinson's Disease Based on the Gut-Brain Axis Mechanism. Front Neurosci 2022; 16:878239. [PMID: 35873830 PMCID: PMC9299103 DOI: 10.3389/fnins.2022.878239] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2022] [Accepted: 06/20/2022] [Indexed: 12/27/2022] Open
Abstract
Gastrointestinal (GI) symptoms represented by constipation were significant non-motor symptoms of Parkinson’s disease (PD) and were considered early manifestations and aggravating factors of the disease. This paper reviewed the research progress of the mechanism of the gut-brain axis (GBA) in PD and discussed the roles of α-synuclein, gut microbiota, immune inflammation, neuroendocrine, mitochondrial autophagy, and environmental toxins in the mechanism of the GBA in PD. Treatment of PD based on the GBA theory has also been discussed, including (1) dietary therapy, such as probiotics, vitamin therapy, Mediterranean diet, and low-calorie diet, (2) exercise therapy, (3) drug therapy, including antibiotics; GI peptides; GI motility agents, and (4) fecal flora transplantation can improve the flora. (5) Vagotomy and appendectomy were associated but not recommended.
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Affiliation(s)
- Xiaohui Sun
- Department of Neurology, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Li Xue
- Recording Room, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Zechen Wang
- Department of Neurology, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Anmu Xie
- Department of Neurology, The Affiliated Hospital of Qingdao University, Qingdao, China
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16
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Wang X, Liang Z, Wang S, Ma D, Zhu M, Feng J. Role of Gut Microbiota in Multiple Sclerosis and Potential Therapeutic Implications. Curr Neuropharmacol 2022; 20:1413-1426. [PMID: 34191698 PMCID: PMC9881072 DOI: 10.2174/1570159x19666210629145351] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2021] [Revised: 06/03/2021] [Accepted: 06/25/2021] [Indexed: 11/22/2022] Open
Abstract
The role of gut microbiota in health and diseases has been receiving increased attention recently. Emerging evidence from previous studies on gut-microbiota-brain axis highlighted the importance of gut microbiota in neurological disorders. Multiple sclerosis (MS) is a chronic, inflammatory, demyelinating disease of the central nervous system (CNS) resulting from T-cell-driven, myelin-directed autoimmunity. The dysbiosis of gut microbiota in MS patients has been reported in published research studies, indicating that gut microbiota plays an important role in the pathogenesis of MS. Gut microbiota have also been reported to influence the initiation of disease and severity of experimental autoimmune encephalomyelitis, which is the animal model of MS. However, the underlying mechanisms of gut microbiota involvement in the pathogenesis of MS remain unclear. Therefore, in this review, we summerized the potential mechanisms for gut microbiota involvement in the pathogenesis of MS, including increasing the permeability of the intestinal barrier, initiating an autoimmune response, disrupting the blood-brain barrier integrity, and contributing to chronic inflammation. The possibility for gut microbiota as a target for MS therapy has also been discussed. This review provides new insight into understanding the role of gut microbiota in neurological and inflammatory diseases.
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Affiliation(s)
- Xu Wang
- Department of Neurology, The First Hospital of Jilin University, Xinmin Street 71# Changchun, CN 130021, China
| | - Zhen Liang
- Department of Neurology, The First Hospital of Jilin University, Xinmin Street 71# Changchun, CN 130021, China
| | - Shengnan Wang
- Department of Neurology, The First Hospital of Jilin University, Xinmin Street 71# Changchun, CN 130021, China
| | - Di Ma
- Department of Neurology, The First Hospital of Jilin University, Xinmin Street 71# Changchun, CN 130021, China
| | - Mingqin Zhu
- Department of Neurology, The First Hospital of Jilin University, Xinmin Street 71# Changchun, CN 130021, China,Address correspondence to these authors at the Department of Neurology, the First Hospital of Jilin University, Xinmin Street 71# Changchun, CN 130021; Tel: + 86 13756661276; E-mail: ; Tel: +86 15948316086; E-mail:
| | - Jiachun Feng
- Department of Neurology, The First Hospital of Jilin University, Xinmin Street 71# Changchun, CN 130021, China,Address correspondence to these authors at the Department of Neurology, the First Hospital of Jilin University, Xinmin Street 71# Changchun, CN 130021; Tel: + 86 13756661276; E-mail: ; Tel: +86 15948316086; E-mail:
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17
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Varela-Trinidad GU, Domínguez-Díaz C, Solórzano-Castanedo K, Íñiguez-Gutiérrez L, Hernández-Flores TDJ, Fafutis-Morris M. Probiotics: Protecting Our Health from the Gut. Microorganisms 2022; 10:microorganisms10071428. [PMID: 35889147 PMCID: PMC9316266 DOI: 10.3390/microorganisms10071428] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Revised: 07/12/2022] [Accepted: 07/13/2022] [Indexed: 02/07/2023] Open
Abstract
The gut microbiota (GM) comprises billions of microorganisms in the human gastrointestinal tract. This microbial community exerts numerous physiological functions. Prominent among these functions is the effect on host immunity through the uptake of nutrients that strengthen intestinal cells and cells involved in the immune response. The physiological functions of the GM are not limited to the gut, but bidirectional interactions between the gut microbiota and various extraintestinal organs have been identified. These interactions have been termed interorganic axes by several authors, among which the gut–brain, gut–skin, gut–lung, gut–heart, and gut–metabolism axes stand out. It has been shown that an organism is healthy or in homeostasis when the GM is in balance. However, altered GM or dysbiosis represents a critical factor in the pathogenesis of many local and systemic diseases. Therefore, probiotics intervene in this context, which, according to various published studies, allows balance to be maintained in the GM, leading to an individual’s good health.
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Affiliation(s)
- Gael Urait Varela-Trinidad
- Doctorado en Ciencias Biomédicas, Con Orientaciones en Inmunología y Neurociencias, Universidad de Guadalajara, Sierra Mojada 950, Guadalajara 44340, Mexico; (G.U.V.-T.); (C.D.-D.)
- Centro de Investigación en Inmunología y Dermatología (CIINDE), Calzada del Federalismo Nte 3102, Zapopan 45190, Mexico
| | - Carolina Domínguez-Díaz
- Doctorado en Ciencias Biomédicas, Con Orientaciones en Inmunología y Neurociencias, Universidad de Guadalajara, Sierra Mojada 950, Guadalajara 44340, Mexico; (G.U.V.-T.); (C.D.-D.)
- Centro de Investigación en Inmunología y Dermatología (CIINDE), Calzada del Federalismo Nte 3102, Zapopan 45190, Mexico
| | - Karla Solórzano-Castanedo
- Doctorado en Ciencias de la Nutrición Traslacional, Universidad de Guadalajara, Sierra Mojada 950, Guadalajara 44340, Mexico;
| | - Liliana Íñiguez-Gutiérrez
- Instituto de Investigación de Inmunodeficiencias y VIH, Hospital Civil de Guadalajara, Coronel Calderón 777, Guadalajara 44280, Mexico; (L.Í.-G.); (T.d.J.H.-F.)
| | - Teresita de Jesús Hernández-Flores
- Instituto de Investigación de Inmunodeficiencias y VIH, Hospital Civil de Guadalajara, Coronel Calderón 777, Guadalajara 44280, Mexico; (L.Í.-G.); (T.d.J.H.-F.)
- Departamento de Disciplinas Filosóficas Metodológicas e Intrumentales, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Sierra Mojada 950, Guadalajara 44340, Mexico
| | - Mary Fafutis-Morris
- Centro de Investigación en Inmunología y Dermatología (CIINDE), Calzada del Federalismo Nte 3102, Zapopan 45190, Mexico
- Departamento de Fisiología, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Sierra Mojada 950, Guadalajara 44340, Mexico
- Correspondence: ; Tel.: +52-33-1411-4590
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18
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Nandwana V, Nandwana NK, Das Y, Saito M, Panda T, Das S, Almaguel F, Hosmane NS, Das BC. The Role of Microbiome in Brain Development and Neurodegenerative Diseases. Molecules 2022; 27:3402. [PMID: 35684340 PMCID: PMC9182002 DOI: 10.3390/molecules27113402] [Citation(s) in RCA: 30] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2022] [Revised: 05/18/2022] [Accepted: 05/23/2022] [Indexed: 12/13/2022] Open
Abstract
Hundreds of billions of commensal microorganisms live in and on our bodies, most of which colonize the gut shortly after birth and stay there for the rest of our lives. In animal models, bidirectional communications between the central nervous system and gut microbiota (Gut-Brain Axis) have been extensively studied, and it is clear that changes in microbiota composition play a vital role in the pathogenesis of various neurodevelopmental and neurodegenerative disorders, such as Autism Spectrum Disorder, Alzheimer's disease, Parkinson's disease, Multiple Sclerosis, Amyotrophic Lateral Sclerosis, anxiety, stress, and so on. The makeup of the microbiome is impacted by a variety of factors, such as genetics, health status, method of delivery, environment, nutrition, and exercise, and the present understanding of the role of gut microbiota and its metabolites in the preservation of brain functioning and the development of the aforementioned neurological illnesses is summarized in this review article. Furthermore, we discuss current breakthroughs in the use of probiotics, prebiotics, and synbiotics to address neurological illnesses. Moreover, we also discussed the role of boron-based diet in memory, boron and microbiome relation, boron as anti-inflammatory agents, and boron in neurodegenerative diseases. In addition, in the coming years, boron reagents will play a significant role to improve dysbiosis and will open new areas for researchers.
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Affiliation(s)
- Varsha Nandwana
- Arnold and Marie Schwartz College of Pharmacy and Health Sciences, Long Island University, Brooklyn, NY 11201, USA; (V.N.); (N.K.N.); (T.P.); (S.D.)
| | - Nitesh K. Nandwana
- Arnold and Marie Schwartz College of Pharmacy and Health Sciences, Long Island University, Brooklyn, NY 11201, USA; (V.N.); (N.K.N.); (T.P.); (S.D.)
- Department of Medicine, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Yogarupa Das
- Nathan S. Kline Institute for Psychiatric Research, Orangeburg, NY 10962, USA; (Y.D.); (M.S.)
| | - Mariko Saito
- Nathan S. Kline Institute for Psychiatric Research, Orangeburg, NY 10962, USA; (Y.D.); (M.S.)
| | - Tanisha Panda
- Arnold and Marie Schwartz College of Pharmacy and Health Sciences, Long Island University, Brooklyn, NY 11201, USA; (V.N.); (N.K.N.); (T.P.); (S.D.)
| | - Sasmita Das
- Arnold and Marie Schwartz College of Pharmacy and Health Sciences, Long Island University, Brooklyn, NY 11201, USA; (V.N.); (N.K.N.); (T.P.); (S.D.)
| | - Frankis Almaguel
- School of Medicine, Loma Linda University Health, Loma Linda, CA 92350, USA;
| | - Narayan S. Hosmane
- Department of Chemistry and Biochemistry, Northern Illinois University, DeKalb, IL 60115, USA;
| | - Bhaskar C. Das
- Arnold and Marie Schwartz College of Pharmacy and Health Sciences, Long Island University, Brooklyn, NY 11201, USA; (V.N.); (N.K.N.); (T.P.); (S.D.)
- Department of Medicine, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
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19
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Eltokhi A, Sommer IE. A Reciprocal Link Between Gut Microbiota, Inflammation and Depression: A Place for Probiotics? Front Neurosci 2022; 16:852506. [PMID: 35546876 PMCID: PMC9081810 DOI: 10.3389/fnins.2022.852506] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2022] [Accepted: 03/18/2022] [Indexed: 12/12/2022] Open
Abstract
Depression is a severe mental disorder that places a significant economic burden on public health. The reciprocal link between the trillions of bacteria in the gut, the microbiota, and depression is a controversial topic in neuroscience research and has drawn the attention of public interest and press coverage in recent years. Mounting pieces of evidence shed light on the role of the gut microbiota in depression, which is suggested to involve immune, endocrine, and neural pathways that are the main components of the microbiota-gut-brain axis. The gut microbiota play major roles in brain development and physiology and ultimately behavior. The bidirectional communication between the gut microbiota and brain function has been extensively explored in animal models of depression and clinical research in humans. Certain gut microbiota strains have been associated with the pathophysiology of depression. Therefore, oral intake of probiotics, the beneficial living bacteria and yeast, may represent a therapeutic approach for depression treatment. In this review, we summarize the findings describing the possible links between the gut microbiota and depression, focusing mainly on the inflammatory markers and sex hormones. By discussing preclinical and clinical studies on probiotics as a supplementary therapy for depression, we suggest that probiotics may be beneficial in alleviating depressive symptoms, possibly through immune modulation. Still, further comprehensive studies are required to draw a more solid conclusion regarding the efficacy of probiotics and their mechanisms of action.
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Affiliation(s)
- Ahmed Eltokhi
- Department of Pharmacology, University of Washington, Seattle, WA, United States
| | - Iris E Sommer
- Department of Biomedical Sciences of Cells & Systems, University Medical Centre Groningen, University of Groningen, Groningen, Netherlands
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20
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Li H, Wang P, Zhou Y, Zhao F, Gao X, Wu C, Wu T, Jiang L, Zhang D. Correlation between intestinal microbiotal imbalance and 5-HT metabolism, immune inflammation in chronic unpredictable mild stress male rats. GENES, BRAIN, AND BEHAVIOR 2022; 21:e12806. [PMID: 35535862 PMCID: PMC9744555 DOI: 10.1111/gbb.12806] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/28/2021] [Revised: 03/14/2022] [Accepted: 03/16/2022] [Indexed: 12/19/2022]
Abstract
To explore the role of intestinal microbiota on the occurrence of depression-like behavior. Twenty male adult Wistar rats were randomly divided into control and experimental groups. Depression-like behavior of the rats was validated using sucrose preference test (SPT) and forced swimming test (FST) after chronic unpredictable mild stress (CUMS) for 3 weeks. Fecal microbiota was analyzed through 16S rRNA sequence analysis. The levels of 5-HT and inflammatory factors in the colon, brain and sera were measured using enzyme-linked immunosorbent assay (ELISA), quantitative PCR (qPCR) and western blotting analyses. The percentage of different types of immune cells in the peripheral blood was determined through flow cytometry. CUMS caused depression-like symptoms, including anhedonia and desperate behavior. Significant differences were found in the structure and abundance of intestinal microbiota. CUMS intervention significantly increased the levels of 5-HT and Tph1 in the colon and decreased the level of Scl6a4. The concentrations of 5-HT and Tph2 in the prefrontal and hippocampal tissues were lower, while IDO1 was higher. Certain cytokines, such as IL-6, IL-1 and TNF-ɑ, were significantly elevated in peripheral blood, while the percentage of CD3+ CD4+ double-positive cells and CD4+ /CD8+ ratio were downregulated in the CUMS group. Pearson correlation analysis showed that intestinal microbiota was significantly associated with not only the metabolism of 5-HT in intestinal and brain tissues, but also with the proportion of immune cells and certain cytokines. Stress can lead to disturbances in the intestinal microbial structure, which may contribute to depression by interfering with 5-HT metabolism and immune inflammatory responses.
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Affiliation(s)
- Huawei Li
- School of NursingQingdao UniversityQingdaoShandong ProvinceChina
| | - Peng Wang
- Department of UrologyQingdao Municipal Hospital, Qingdao UniversityQingdaoShandong ProvinceChina
| | - Yunping Zhou
- School of NursingQingdao UniversityQingdaoShandong ProvinceChina
| | - Fei Zhao
- School of NursingQingdao UniversityQingdaoShandong ProvinceChina
| | - Xue Gao
- School of NursingQingdao UniversityQingdaoShandong ProvinceChina
| | - Chunfeng Wu
- School of NursingQingdao UniversityQingdaoShandong ProvinceChina
| | - Tianxia Wu
- School of NursingQingdao UniversityQingdaoShandong ProvinceChina
| | - Liping Jiang
- School of NursingQingdao UniversityQingdaoShandong ProvinceChina
| | - Dianliang Zhang
- Center of Colon and RectumQingdao Municipal Hospital, Qingdao UniversityQingdaoShandong ProvinceChina
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21
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Zeng L, Xiang R, Fu C, Qu Z, Liu C. The Regulatory effect of chlorogenic acid on gut-brain function and its mechanism: A systematic review. Biomed Pharmacother 2022; 149:112831. [PMID: 35303566 DOI: 10.1016/j.biopha.2022.112831] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2022] [Revised: 03/08/2022] [Accepted: 03/14/2022] [Indexed: 11/02/2022] Open
Abstract
Chlorogenic acid (CGA) is a phenolic compound that is widely distributed in honeysuckle, Eucommia, fruits and vegetables. It has various biological functions, including cardiovascular, nerve, kidney, and liver protection, and it exerts a protective effect on human health, according to clinical research and basic research. The intestine and brain are two important organs that are closely related in the human body. The intestine is even called the "second brain" in humans. However, among the many reports in the literature, an article systematically reporting the regulatory effects and specific mechanisms of CGA on the intestines and brain has not been published. In this context, this review uses the regulatory role and mechanism of CGA in the intestine and brain as the starting point and comprehensively reviews CGA metabolism in the body and the regulatory role and mechanism of CGA in the intestine and brain described in recent years. Additionally, the review speculates on the potential biological actions of CGA in the gut-brain axis. This study provides a scientific theory for CGA research in the brain and intestines and promotes the transformation of basic research and the application of CGA in food nutrition and health care.
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Affiliation(s)
- Li Zeng
- Southwest Hunan Research Center of Engineering for Development and Utilization of Traditional Chinese Medicine, School of Pharmacy, Shaoyang University, Shaoyang, Hunan 422000, China; National Research Center of Engineering Technology for Utilization of Functional Ingredients from Botanicals, Collaborative Innovation Centre of Utilisation of Functional Ingredients from Botanicals, Hunan Agricultural University, Changsha, Hunan 410128, China.
| | - Rong Xiang
- The Library of Shaoyang University, Shaoyang, Hunan 422000, China
| | - Chunyan Fu
- Southwest Hunan Research Center of Engineering for Development and Utilization of Traditional Chinese Medicine, School of Pharmacy, Shaoyang University, Shaoyang, Hunan 422000, China
| | - Zhihao Qu
- School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China
| | - Changwei Liu
- National Research Center of Engineering Technology for Utilization of Functional Ingredients from Botanicals, Collaborative Innovation Centre of Utilisation of Functional Ingredients from Botanicals, Hunan Agricultural University, Changsha, Hunan 410128, China
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22
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Noguera-Navarro C, Navas-Carrillo D, Orenes-Piñero E. Gut microbiota alterations and nutritional intervention in multiple sclerosis disease. FOOD REVIEWS INTERNATIONAL 2022. [DOI: 10.1080/87559129.2022.2062771] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Affiliation(s)
- Clara Noguera-Navarro
- Department of Biochemistry and Molecular Biology-A, University of Murcia, Murcia, Spain
| | - Diana Navas-Carrillo
- Department of Surgery, Hospital Clínico Universitario Virgen de la Arrixaca, Murcia, Spain
| | - Esteban Orenes-Piñero
- Department of Biochemistry and Molecular Biology-A, University of Murcia, Murcia, Spain
- Department of Surgery, Hospital Clínico Universitario Virgen de la Arrixaca, Murcia, Spain
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Murray ER, Kemp M, Nguyen TT. The Microbiota-Gut-Brain Axis in Alzheimer's Disease: A Review of Taxonomic Alterations and Potential Avenues for Interventions. Arch Clin Neuropsychol 2022; 37:595-607. [PMID: 35202456 PMCID: PMC9035085 DOI: 10.1093/arclin/acac008] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/22/2022] [Indexed: 12/11/2022] Open
Abstract
OBJECTIVE The gut microbiome is a complex community of microorganisms that inhabit the gastrointestinal tract. The microbiota-gut-brain axis encompasses a bidirectional communication system that allows the gut to influence the brain via neural, endocrine, immune, and metabolic signaling. Differences in the gut microbiome have been associated with psychiatric and neurological disorders, including Alzheimer's Disease (ad). Understanding these ad-associated alterations may offer novel insight into the pathology and treatment of ad. METHOD We conducted a narrative review of clinical studies investigating the gut microbiome in ad, organizing the results by phyla to understand the biological contributions of the gut microbial community to ad pathology and clinical features. We also reviewed randomized clinical trials of interventions targeting the microbiome to ameliorate ad symptoms and biomarkers. RESULTS Alpha diversity is reduced in patients with ad. Within Firmicutes, taxa that produce beneficial metabolites are reduced in ad, including Clostridiaceae, Lachnospiraceae, Ruminococcus, and Eubacterium. Within Bacteroidetes, findings were mixed, with studies showing either reduced or increased abundance of Bacteroides in mild cognitive impairment or ad patients. Proteobacteria that produce toxins tend to be increased in ad patients, including Escherichia/Shigella. A Mediterranean-ketogenic dietary intervention significantly increased beneficial short-chain fatty acids and taxa that were inversely correlated with changes in ad pathological markers. Probiotic supplementation with Lactobacillus spp. and Bifidobacterium spp. improved cognitive function and reduced inflammatory and metabolic markers in patients with ad. CONCLUSIONS The gut microbiome may provide insight into ad pathology and be a novel target for intervention. Potential therapeutics include probiotics and dietary intervention.
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Affiliation(s)
- Emily R Murray
- Division of Biological Sciences, University of California at San Diego, La Jolla, CA, USA,Department of Psychiatry, University of California at San Diego, La Jolla, CA, USA
| | - Mylon Kemp
- Department of Psychiatry, University of California at San Diego, La Jolla, CA, USA
| | - Tanya T Nguyen
- Corresponding author at: Associate Professor of Psychiatry, University of California at San Diego, 9500 Gilman Drive #0664, La Jolla, CA 92093, USA. Tel.: +(858)-246-5347; fax: +(858)-543-5475.E-mail address: (T.T. Nguyen)
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Ebrahimi V, Tarhriz V, Talebi M, Rasouli A, Farjami A, Razi Soofiyani S, Soleimanian A, Forouhandeh H. A new insight on feasibility of pre-, pro-, and synbiotics-based therapies in Alzheimer’s disease. JOURNAL OF REPORTS IN PHARMACEUTICAL SCIENCES 2022. [DOI: 10.4103/jrptps.jrptps_170_21] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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Probiotics for Alzheimer's Disease: A Systematic Review. Nutrients 2021; 14:nu14010020. [PMID: 35010895 PMCID: PMC8746506 DOI: 10.3390/nu14010020] [Citation(s) in RCA: 52] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2021] [Revised: 11/15/2021] [Accepted: 11/15/2021] [Indexed: 02/06/2023] Open
Abstract
Alzheimer’s disease (AD) is the most common form of neurodegenerative disorders affecting mostly the elderly. It is characterized by the presence of Aβ and neurofibrillary tangles (NFT), resulting in cognitive and memory impairment. Research shows that alteration in gut microbial diversity and defects in gut brain axis are linked to AD. Probiotics are known to be one of the best preventative measures against cognitive decline in AD. Numerous in vivo trials and recent clinical trials have proven the effectiveness of selected bacterial strains in slowing down the progression of AD. It is proven that probiotics modulate the inflammatory process, counteract with oxidative stress, and modify gut microbiota. Thus, this review summarizes the current evidence, diversity of bacterial strains, defects of gut brain axis in AD, harmful bacterial for AD, and the mechanism of action of probiotics in preventing AD. A literature search on selected databases such as PubMed, Semantic Scholar, Nature, and Springer link have identified potentially relevant articles to this topic. However, upon consideration of inclusion criteria and the limitation of publication year, only 22 articles have been selected to be further reviewed. The search query includes few sets of keywords as follows. (1) Probiotics OR gut microbiome OR microbes AND (2) Alzheimer OR cognitive OR aging OR dementia AND (3) clinical trial OR in vivo OR animal study. The results evidenced in this study help to clearly illustrate the relationship between probiotic supplementation and AD. Thus, this systematic review will help identify novel therapeutic strategies in the future as probiotics are free from triggering any adverse effects in human body.
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Lekchand Dasriya V, Samtiya M, Dhewa T, Puniya M, Kumar S, Ranveer S, Chaudhary V, Vij S, Behare P, Singh N, Aluko RE, Puniya AK. Etiology and management of Alzheimer's disease: Potential role of gut microbiota modulation with probiotics supplementation. J Food Biochem 2021; 46:e14043. [PMID: 34927261 DOI: 10.1111/jfbc.14043] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2021] [Revised: 11/11/2021] [Accepted: 12/13/2021] [Indexed: 12/15/2022]
Abstract
Alzheimer's disease (AD) is the leading type of dementia in aging people and is a progressive condition that causes neurodegeneration, resulting in confusion, memory loss, and deterioration of mental functions. AD happens because of abnormal twisting of the microtubule tau protein in neurons into a tangled neurofibrillary structure. Different factors responsible for AD pathogenesis include heavy metals, aging, cardiovascular disease, and environmental and genetic factors. Market available drugs for AD have several side effects that include hepato-toxicity, accelerated cognitive decline, worsened neuropsychiatric symptoms, and triggered suicidal ideation. Therefore, an emerging alternative therapeutic approach is probiotics, which can improve AD by modulating the gut-brain axis. Probiotics modulate different neurochemical pathways by regulating the signalling pathways associated with inflammation, histone deacetylation, and microglial cell activation and maturation. In addition, probiotics-derived metabolites (i.e., short-chain fatty acid, neurotransmitters, and antioxidants) have shown ameliorative effects against AD. Probiotics also modulate gut microbiota, with a beneficial impact on neural signalling and cognitive activity, which can attenuate AD progression. Therefore, the current review describes the etiology and mechanism of AD progression as well as various treatment options with a focus on the use of probiotics. PRACTICAL APPLICATIONS: In an aging population, dementia concerns are quite prevalent globally. AD is one of the most commonly occurring cognition disorders, which is linked to diminished brain functions. Scientific evidence supports the findings that probiotics and gut microbiota can regulate/modulate brain functions, one of the finest strategies to alleviate such disorders through the gut-brain axis. Thus, gut microbiota modulation, especially through probiotic supplementation, could become an effective solution to ameliorate AD.
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Affiliation(s)
| | - Mrinal Samtiya
- Department of Nutrition Biology, Central University of Haryana, Mahendergarh, India
| | - Tejpal Dhewa
- Department of Nutrition Biology, Central University of Haryana, Mahendergarh, India
| | - Monica Puniya
- Food Safety and Standards Authority of India, FDA Bhawan, New Delhi, India
| | - Sanjeev Kumar
- Department of Life Science and Bioinformatics, Assam University, Silchar, India
| | - Soniya Ranveer
- Dairy Microbiology Division, ICAR-National Dairy Research Institute, Karnal, India
| | - Vishu Chaudhary
- Department of Microbiology, Punjab Agriculture University, Ludhiana, India
| | - Shilpa Vij
- Dairy Microbiology Division, ICAR-National Dairy Research Institute, Karnal, India
| | - Pradip Behare
- Dairy Microbiology Division, ICAR-National Dairy Research Institute, Karnal, India
| | - Namita Singh
- Department of Bio and Nano Technology, Guru Jambheshwar University of Science and Technology, Hisar, India
| | - Rotimi E Aluko
- Department of Food and Human Nutritional Sciences, University of Manitoba, Winnipeg, Manitoba, Canada
| | - Anil Kumar Puniya
- Dairy Microbiology Division, ICAR-National Dairy Research Institute, Karnal, India
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Thompson DS, Fowler JC, Bradshaw MR, Frueh BC, Weinstein BL, Petrosino J, Hadden JK, Madan A. Is the gut microbiota associated with suicidality? Non-significant finding among a large cohort of psychiatrically hospitalized individuals with serious mental illness. JOURNAL OF AFFECTIVE DISORDERS REPORTS 2021. [DOI: 10.1016/j.jadr.2021.100266] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
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Abstract
Several products consist of probiotics that are available in markets, and their potential uses are growing day by day, mainly because some strains of probiotics promote the health of gut microbiota, especially Furmicutes and Bacteroidetes, and may prevent certain gastrointestinal tract (GIT) problems. Some common diseases are inversely linked with the consumption of probiotics, i.e., obesity, type 2 diabetes, autism, osteoporosis, and some immunological disorders, for which the disease progression gets delayed. In addition to disease mitigating properties, these microbes also improve oral, nutritional, and intestinal health, followed by a robust defensive mechanism against particular gut pathogens, specifically by antimicrobial substances and peptides producing probiotics (AMPs). All these positive attributes of probiotics depend upon the type of microbial strains dispensed. Lactic acid bacteria (LAB) and Bifidobacteria are the most common microbes used, but many other microbes are available, and their use depends upon origin and health-promoting properties. This review article focuses on the most common probiotics, their health benefits, and the alleviating mechanisms against chronic kidney diseases (CKD), type 1 diabetes (T1D), type 2 diabetes (T2D), gestational diabetes mellitus (GDM), and obesity.
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Alagiakrishnan K, Halverson T. Microbial Therapeutics in Neurocognitive and Psychiatric Disorders. J Clin Med Res 2021; 13:439-459. [PMID: 34691318 PMCID: PMC8510649 DOI: 10.14740/jocmr4575] [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] [Subscribe] [Scholar Register] [Received: 08/03/2021] [Accepted: 08/28/2021] [Indexed: 12/12/2022] Open
Abstract
Microbial therapeutics, which include gut biotics and fecal transplantation, are interventions designed to improve the gut microbiome. Gut biotics can be considered as the administration of direct microbial populations. The delivery of this can be done through live microbial flora, certain food like fiber, microbial products (metabolites and elements) obtained through the fermentation of food products, or as genetically engineered substances, that may have therapeutic benefit on different health disorders. Dietary intervention and pharmacological supplements with gut biotics aim at correcting disruption of the gut microbiota by repopulating with beneficial microorganism leading to decrease in gut permeability, inflammation, and alteration in metabolic activities, through a variety of mechanisms of action. Our understanding of the pharmacokinetics of microbial therapeutics has improved with in vitro models, sampling techniques in the gut, and tools for the reliable identification of gut biotics. Evidence from human studies points out that prebiotics, probiotics and synbiotics have the potential for treating and preventing mental health disorders, whereas with paraprobiotics, proteobiotics and postbiotics, the research is limited at this point. Some animal studies point out that gut biotics can be used with conventional treatments for a synergistic effect on mental health disorders. If future research shows that there is a possibility of synergistic effect of psychotropic medications with gut biotics, then a gut biotic or nutritional prescription can be given along with psychotropics. Even though the overall safety of gut biotics seems to be good, caution is needed to watch for any known and unknown side effects as well as the need for risk benefit analysis with certain vulnerable populations. Future research is needed before wide spread use of natural and genetically engineered gut biotics. Regulatory framework for gut biotics needs to be optimized. Holistic understanding of gut dysbiosis, along with life style factors, by health care providers is necessary for the better management of these conditions. In conclusion, microbial therapeutics are a new psychotherapeutic approach which offer some hope in certain conditions like dementia and depression. Future of microbial therapeutics will be driven by well-done randomized controlled trials and longitudinal research, as well as by replication studies in human subjects.
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Affiliation(s)
- Kannayiram Alagiakrishnan
- Division of Geriatric Medicine, Department of Medicine, University of Alberta, Edmonton, Alberta, Canada
| | - Tyler Halverson
- Division of Psychiatry, Department of Medicine, University of Alberta, Edmonton, Alberta, Canada
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Sharma VK, Singh TG, Garg N, Dhiman S, Gupta S, Rahman MH, Najda A, Walasek-Janusz M, Kamel M, Albadrani GM, Akhtar MF, Saleem A, Altyar AE, Abdel-Daim MM. Dysbiosis and Alzheimer's Disease: A Role for Chronic Stress? Biomolecules 2021; 11:biom11050678. [PMID: 33946488 PMCID: PMC8147174 DOI: 10.3390/biom11050678] [Citation(s) in RCA: 42] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2021] [Revised: 04/23/2021] [Accepted: 04/26/2021] [Indexed: 02/06/2023] Open
Abstract
Alzheimer’s disease (AD) is an incurable, neuropsychiatric, pathological condition that deteriorates the worth of geriatric lives. AD is characterized by aggregated senile amyloid plaques, neurofibrillary tangles, neuronal loss, gliosis, oxidative stress, neurotransmitter dysfunction, and bioenergetic deficits. The changes in GIT composition and harmony have been recognized as a decisive and interesting player in neuronal pathologies including AD. Microbiota control and influence the oxidoreductase status, inflammation, immune system, and the endocrine system through which it may have an impact on the cognitive domain. The altered and malfunctioned state of microbiota is associated with minor infections to complicated illnesses that include psychosis and neurodegeneration, and several studies show that microbiota regulates neuronal plasticity and neuronal development. The altered state of microbiota (dysbiosis) may affect behavior, stress response, and cognitive functions. Chronic stress-mediated pathological progression also has a well-defined role that intermingles at various physiological levels and directly impacts the pathological advancement of AD. Chronic stress-modulated alterations affect the well-established pathological markers of AD but also affect the gut–brain axis through the mediation of various downstream signaling mechanisms that modulate the microbial commensals of GIT. The extensive literature reports that chronic stressors affect the composition, metabolic activities, and physiological role of microbiota in various capacities. The present manuscript aims to elucidate mechanistic pathways through which stress induces dysbiosis, which in turn escalates the neuropathological cascade of AD. The stress–dysbiosis axis appears a feasible zone of work in the direction of treatment of AD.
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Affiliation(s)
- Vivek Kumar Sharma
- Chitkara College of Pharmacy, Chitkara University, Punjab 140401, India; (V.K.S.); (N.G.); (S.D.); (S.G.)
- Goverment College of Pharmacy, District Shimla, Rohru 171207, India
| | - Thakur Gurjeet Singh
- Chitkara College of Pharmacy, Chitkara University, Punjab 140401, India; (V.K.S.); (N.G.); (S.D.); (S.G.)
- Correspondence: or (T.G.S.); (M.M.A.-D.); Tel.: +91-98-1595-1171 (T.G.S.); +20-96-65-8019-2142 (M.M.A.-D.)
| | - Nikhil Garg
- Chitkara College of Pharmacy, Chitkara University, Punjab 140401, India; (V.K.S.); (N.G.); (S.D.); (S.G.)
| | - Sonia Dhiman
- Chitkara College of Pharmacy, Chitkara University, Punjab 140401, India; (V.K.S.); (N.G.); (S.D.); (S.G.)
| | - Saurabh Gupta
- Chitkara College of Pharmacy, Chitkara University, Punjab 140401, India; (V.K.S.); (N.G.); (S.D.); (S.G.)
| | - Md. Habibur Rahman
- Department of Pharmacy, Southeast University, Banani, Dhaka 1213, Bangladesh;
| | - Agnieszka Najda
- Laboratory of Quality of Vegetables and Medicinal Plants, Department of Vegetable Crops and Medicinal Plants, University of Life Sciences in Lublin, 15 Akademicka Street, 20-950 Lublin, Poland; (A.N.); (M.W.-J.)
| | - Magdalena Walasek-Janusz
- Laboratory of Quality of Vegetables and Medicinal Plants, Department of Vegetable Crops and Medicinal Plants, University of Life Sciences in Lublin, 15 Akademicka Street, 20-950 Lublin, Poland; (A.N.); (M.W.-J.)
| | - Mohamed Kamel
- Department of Medicine and Infectious Diseases, Faculty of Veterinary Medicine, Cairo University, Giza 12211, Egypt;
| | - Ghadeer M. Albadrani
- Department of Biology, College of Science, Princess Nourah bint Abdulrahman University, Riyadh 11474, Saudi Arabia;
| | - Muhammad Furqan Akhtar
- Riphah Institute of Pharmaceutical Sciences, Riphah International University, Lahore Campus, Lahore 54950, Pakistan;
| | - Ammara Saleem
- Department of Pharmacology, Faculty of Pharmaceutical Sciences, Government College University Faisalabad, Faisalabad 38000, Pakistan;
| | - Ahmed E. Altyar
- Department of Pharmacy Practice, Faculty of Pharmacy, King Abdulaziz University, P.O. Box 80260, Jeddah 21589, Saudi Arabia;
| | - Mohamed M. Abdel-Daim
- Pharmacology Department, Faculty of Veterinary Medicine, Suez Canal University, Ismailia 41522, Egypt
- Correspondence: or (T.G.S.); (M.M.A.-D.); Tel.: +91-98-1595-1171 (T.G.S.); +20-96-65-8019-2142 (M.M.A.-D.)
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Rocks T, West M, Hockey M, Aslam H, Lane M, Loughman A, Jacka FN, Ruusunen A. Possible use of fermented foods in rehabilitation of anorexia nervosa: the gut microbiota as a modulator. Prog Neuropsychopharmacol Biol Psychiatry 2021; 107:110201. [PMID: 33307114 DOI: 10.1016/j.pnpbp.2020.110201] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/28/2020] [Revised: 11/23/2020] [Accepted: 12/02/2020] [Indexed: 12/15/2022]
Abstract
Anorexia nervosa is a serious psychiatric disorder with high morbidity and mortality rate. Evidence for the optimal psychopharmacological approach to managing the disorder remains limited, with nutritional treatment, focused on weight restoration through the consumption of high energy diet, regarded as one of the fundamental steps in treatment. The human gut microbiome is increasingly recognised for its proposed role in gastrointestinal, metabolic, immune and mental health, all of which may be compromised in individuals with anorexia nervosa. Dietary intake plays an important role in shaping gut microbiota composition, whilst the use of fermented foods, foods with potential psychobiotic properties that deliver live bacteria, bacterial metabolites, prebiotics and energy, have been discussed to a lesser extent. However, fermented foods are of increasing interest due to their potential capacity to affect gut microbiota composition, provide beneficial bacterial metabolites, and confer beneficial outcomes to host health. This review provides an overview of the role of the gut microbiota in relation to the disease pathology in anorexia nervosa and especially focuses on the therapeutic potential of fermented foods, proposed here as a recommended addition to the current nutritional treatment protocols warranting further investigation.
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Affiliation(s)
- Tetyana Rocks
- Deakin University, IMPACT - the Institute for Mental and Physical Health and Clinical Translation, Food & Mood Centre, School of Medicine, Barwon Health, Geelong, Australia.
| | - Madeline West
- Deakin University, IMPACT - the Institute for Mental and Physical Health and Clinical Translation, Food & Mood Centre, School of Medicine, Barwon Health, Geelong, Australia
| | - Meghan Hockey
- Deakin University, IMPACT - the Institute for Mental and Physical Health and Clinical Translation, Food & Mood Centre, School of Medicine, Barwon Health, Geelong, Australia
| | - Hajara Aslam
- Deakin University, IMPACT - the Institute for Mental and Physical Health and Clinical Translation, Food & Mood Centre, School of Medicine, Barwon Health, Geelong, Australia
| | - Melissa Lane
- Deakin University, IMPACT - the Institute for Mental and Physical Health and Clinical Translation, Food & Mood Centre, School of Medicine, Barwon Health, Geelong, Australia
| | - Amy Loughman
- Deakin University, IMPACT - the Institute for Mental and Physical Health and Clinical Translation, Food & Mood Centre, School of Medicine, Barwon Health, Geelong, Australia
| | - Felice N Jacka
- Deakin University, IMPACT - the Institute for Mental and Physical Health and Clinical Translation, Food & Mood Centre, School of Medicine, Barwon Health, Geelong, Australia; Centre for Adolescent Health, Murdoch Children's Research Institute, VIC, Australia; Black Dog Institute, NSW, Australia; James Cook University, QLD; Australia
| | - Anu Ruusunen
- Deakin University, IMPACT - the Institute for Mental and Physical Health and Clinical Translation, Food & Mood Centre, School of Medicine, Barwon Health, Geelong, Australia; Institute of Public Health and Clinical Nutrition, University of Eastern Finland, Kuopio, Finland; Department of Psychiatry, Kuopio University Hospital, Kuopio, Finland
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Ma G, Du H, Hu Q, Yang W, Pei F, Xiao H. Health benefits of edible mushroom polysaccharides and associated gut microbiota regulation. Crit Rev Food Sci Nutr 2021; 62:6646-6663. [PMID: 33792430 DOI: 10.1080/10408398.2021.1903385] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Edible mushrooms have been an important part of the human diet for thousands of years, and over 100 varieties have been cultivated for their potential human health benefits. In recent years, edible mushroom polysaccharides (EMPs) have been studied for their activities against obesity, inflammatory bowel disease (IBD), and cancer. Particularly, accumulating evidence on the exact causality between these health risks and specific gut microbiota species has been revealed and characterized, and most of the beneficial health effects of EMPs have been associated with its reversal impacts on gut microbiota dysbiosis. This demonstrates the key role of EMPs in decreasing health risks through gut microbiota modulation effects. This review article compiles and summarizes the latest studies that focus on the health benefits and underlying functional mechanisms of gut microbiota regulation via EMPs. We conclude that EMPs can be considered a dietary source for the improvement and prevention of several health risks, and this review provides the theoretical basis and technical guidance for the development of novel functional foods with the utilization of edible mushrooms.
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Affiliation(s)
- Gaoxing Ma
- College of Food Science and Engineering, Collaborative Innovation Center for Modern Grain Circulation and Safety, Nanjing University of Finance and Economics, Nanjing, People's Republic of China.,Department of Food Science, University of Massachusetts, Amherst, Massachusetts, USA
| | - Hengjun Du
- Department of Food Science, University of Massachusetts, Amherst, Massachusetts, USA
| | - Qiuhui Hu
- College of Food Science and Engineering, Collaborative Innovation Center for Modern Grain Circulation and Safety, Nanjing University of Finance and Economics, Nanjing, People's Republic of China
| | - Wenjian Yang
- College of Food Science and Engineering, Collaborative Innovation Center for Modern Grain Circulation and Safety, Nanjing University of Finance and Economics, Nanjing, People's Republic of China
| | - Fei Pei
- College of Food Science and Engineering, Collaborative Innovation Center for Modern Grain Circulation and Safety, Nanjing University of Finance and Economics, Nanjing, People's Republic of China
| | - Hang Xiao
- Department of Food Science, University of Massachusetts, Amherst, Massachusetts, USA
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Lin S, Li Q, Jiang S, Xu Z, Jiang Y, Liu L, Jiang J, Tong Y, Wang P. Crocetin ameliorates chronic restraint stress-induced depression-like behaviors in mice by regulating MEK/ERK pathways and gut microbiota. JOURNAL OF ETHNOPHARMACOLOGY 2021; 268:113608. [PMID: 33242618 DOI: 10.1016/j.jep.2020.113608] [Citation(s) in RCA: 42] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/22/2020] [Revised: 11/15/2020] [Accepted: 11/19/2020] [Indexed: 06/11/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE This study aimed at determining the effects of saffron on depression as well as its neuroprotective and pharmacological effects on the intestinal function of crocetin in mice exposed to chronic restraint stress. MATERIALS AND METHODS Chronic stress was induced in two-week-old ICR mice by immobilizing them for 6 h per day for 28 days. The mice were orally administered with crocetin (20, 40, 80 mg/kg), fluoxetine (20 mg/kg) or distilled water. The treatments were administered daily and open field and tail suspension tests were performed. Immunofluorescent and Western-bolt (WB) assays were conducted to determine the expression of mitogen-activated protein kinase phosphatase-1 (MKP-1), the precursor of brain-derived neurotrophic factor (proBDNF), extracellular signal-regulated kinase 1/2 (ERK1/2), phosphorylated cAMP response element-binding (CREB) protein in the hippocampus. Serum levels of dopamine (DA), proBDNF, MKP-1 and CREB were measured by Elisa kits. High-throughput sequencing was carried out to analyze the composition of intestinal microbiota. RESULTS Crocetin ameliorated depressive-like behaviors caused by chronic restraint stress-induced depressive mice. It significantly attenuated the elevated levels of MKP-1, proBDNF, alanine transaminase, aspartate transaminase and increased the serum levels of DA as well as CREB. Histopathological analysis showed that crocetin suppressed hippocampus injury in restraint stress mice by protecting neuronal cells. Immunofluorescent and WB analysis showed elevated expression levels of ERK1/2, CREB and inhibited expression levels of MKP-1, proBDNF in the hippocampus. The intestinal ecosystem of the crocetin group partially recovered and was close to the control group. CONCLUSIONS Crocetin has neuroprotective properties and ameliorates the effects of stress-associated brain damage by regulating the MKP-1-ERK1/2-CREB signaling and intestinal ecosystem.
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Affiliation(s)
- Susu Lin
- College of Pharmaceutical Sciences, Zhejiang University of Technology, Hangzhou, 310014, People's Republic of China
| | - Qiaoqiao Li
- College of Pharmaceutical Sciences, Zhejiang University of Technology, Hangzhou, 310014, People's Republic of China
| | - Shanshan Jiang
- College of Pharmaceutical Sciences, Zhejiang University of Technology, Hangzhou, 310014, People's Republic of China
| | - Zijin Xu
- College of Pharmaceutical Sciences, Zhejiang University of Technology, Hangzhou, 310014, People's Republic of China
| | - Yu Jiang
- College of Pharmaceutical Sciences, Zhejiang University of Technology, Hangzhou, 310014, People's Republic of China
| | - Ling Liu
- College of Pharmaceutical Sciences, Zhejiang University of Technology, Hangzhou, 310014, People's Republic of China
| | - Jinyan Jiang
- College of Pharmaceutical Sciences, Zhejiang University of Technology, Hangzhou, 310014, People's Republic of China
| | - Yingpeng Tong
- Institute of Natural Medicine and Health Products, School of Advanced Study, Taizhou University, Taizhou, 318000, People's Republic of China
| | - Ping Wang
- College of Pharmaceutical Sciences, Zhejiang University of Technology, Hangzhou, 310014, People's Republic of China.
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Hong M, Ho C, Zhang X, Zhang R, Liu Y. Dietary strategies may influence human nerves and emotions by regulating intestinal microbiota: an interesting hypothesis. Int J Food Sci Technol 2021. [DOI: 10.1111/ijfs.14986] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Mengyu Hong
- Department of Food Science and Engineering Ningbo University Ningbo315211China
| | - Chi‐Tang Ho
- Department of Food Science Rutgers University New Brunswick NJ08901USA
| | - Xin Zhang
- Department of Food Science and Engineering Ningbo University Ningbo315211China
| | - Ruilin Zhang
- Department of Food Science and Engineering Ningbo University Ningbo315211China
| | - Yanan Liu
- Department of Food Science and Engineering Ningbo University Ningbo315211China
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Łuc M, Misiak B, Pawłowski M, Stańczykiewicz B, Zabłocka A, Szcześniak D, Pałęga A, Rymaszewska J. Gut microbiota in dementia. Critical review of novel findings and their potential application. Prog Neuropsychopharmacol Biol Psychiatry 2021; 104:110039. [PMID: 32687964 DOI: 10.1016/j.pnpbp.2020.110039] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/14/2020] [Revised: 06/19/2020] [Accepted: 07/12/2020] [Indexed: 02/06/2023]
Abstract
There is a great deal of impetus for the comprehensive understanding of the complete pathological function, genetic information, and functional diversity of the gut microbiota that favors the development of dementia. It has been reported that patients with mild cognitive impairment and Alzheimer's disease present with several metabolic and immune-inflammatory alterations. The recently highlighted aspects of human health linked to cognitive decline include insulin-resistance, obesity, and chronic low-grade inflammation. Gut microbiota is known to produce neurotransmitters, such as GABA, acetylcholine, dopamine or serotonin, vitamins, intestinal toxins, and modulate nerve signaling - with emphasis on the vagus nerve. Additionally, gut dysbiosis results in impaired synthesis of signaling proteins affecting metabolic processes relevant to the development of Alzheimer's disease. Due to numerous links of gut microbiota to crucial metabolic and inflammatory pathways, attempts aimed at correcting the gut microflora composition may affect dementia pathology in a pleiotropic manner. Taking advantage of the metabolic effects of cold exposure on organisms by the introduction of whole-body cryostimulation in dementia patients could lead to alterations in gut microbiota and, therefore, decrease of an inflammatory response and insulin resistance, which remain one of the critical metabolic features of dementia. Further studies are needed in order to explore the potential application of recent findings and ways of achieving the desired goals.
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Affiliation(s)
- Mateusz Łuc
- Department of Psychiatry, Wroclaw Medical University, Pasteura 10, 50-368 Wroclaw, Poland.
| | - Błażej Misiak
- Department of Genetics, Wroclaw Medical University, Marcinkowskiego 1, 50-368 Wroclaw, Poland
| | - Marcin Pawłowski
- Department of Psychiatry, Wroclaw Medical University, Pasteura 10, 50-368 Wroclaw, Poland
| | | | - Agnieszka Zabłocka
- Laboratory of Microbiome Immunobiology, Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Sciences, Weigla 12, 53-114 Wroclaw, Poland
| | - Dorota Szcześniak
- Department of Psychiatry, Wroclaw Medical University, Pasteura 10, 50-368 Wroclaw, Poland
| | - Anna Pałęga
- Department of Psychiatry, Wroclaw Medical University, Pasteura 10, 50-368 Wroclaw, Poland
| | - Joanna Rymaszewska
- Department of Psychiatry, Wroclaw Medical University, Pasteura 10, 50-368 Wroclaw, Poland
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36
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Ramírez-Macías I, Orenes-Piñero E, Camelo-Castillo A, Rivera-Caravaca JM, López-García C, Marín F. Novel insights in the relationship of gut microbiota and coronary artery diseases. Crit Rev Food Sci Nutr 2021; 62:3738-3750. [PMID: 33399007 DOI: 10.1080/10408398.2020.1868397] [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] [Indexed: 12/24/2022]
Abstract
Atherosclerosis is a chronic, progressive, inflammatory disease in the vasculature and is common in both coronary and peripheral arteries. Human beings harbor a complex and dynamic population of microorganisms defined as the microbiota. Importantly, alterations in the bacterial composition (dysbiosis) and the metabolic compounds produced by these bacteria have been associated with the pathogenesis of many inflammatory diseases and infections. There is also a close relationship between intestinal microbiota and cardiovascular diseases. The aim of this review was to analyze how changes in the gut microbiota and their metabolites might affect coronary artery diseases. The most representative groups of bacteria that make up the intestinal microbiota are altered in coronary artery disease patients, resulting in a decrease in Bacteroidetes and an increase in Firmicutes. In relation to metabolites, trimethylamine-N-oxide plays an important role in atherosclerosis and may act as a cardiovascular risk predictor. In addition, the use of probiotics, prebiotics, diet modulation, and fecal transplantation, which may represent alternative treatments for these diseases, is thoroughly discussed. Finally, the role of lipid-lowering treatments is also analyzed as they may affect and alter the gut microbiota and, conversely, gut microbiota diversity could be associated with resistance or sensitivity to these treatments.
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Affiliation(s)
- Inmaculada Ramírez-Macías
- Department of Cardiology, Hospital Clínico Universitario Virgen de la Arrixaca, University of Murcia, Instituto Murciano de Investigación Biosanitaria (IMIB-Arrixaca), CIBERCV, Murcia, Spain
| | - Esteban Orenes-Piñero
- Department of Biochemistry and Molecular Biology-A, University of Murcia, Murcia, Spain
| | - Anny Camelo-Castillo
- Department of Cardiology, Hospital Clínico Universitario Virgen de la Arrixaca, University of Murcia, Instituto Murciano de Investigación Biosanitaria (IMIB-Arrixaca), CIBERCV, Murcia, Spain
| | - José Miguel Rivera-Caravaca
- Department of Cardiology, Hospital Clínico Universitario Virgen de la Arrixaca, University of Murcia, Instituto Murciano de Investigación Biosanitaria (IMIB-Arrixaca), CIBERCV, Murcia, Spain
| | - Cecilia López-García
- Department of Cardiology, Hospital Clínico Universitario Virgen de la Arrixaca, University of Murcia, Instituto Murciano de Investigación Biosanitaria (IMIB-Arrixaca), CIBERCV, Murcia, Spain
| | - Francisco Marín
- Department of Cardiology, Hospital Clínico Universitario Virgen de la Arrixaca, University of Murcia, Instituto Murciano de Investigación Biosanitaria (IMIB-Arrixaca), CIBERCV, Murcia, Spain
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37
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Miyata N, Hata T, Takakura S, Yoshihara K, Morita C, Mikami K, Nomoto K, Miyazaki K, Tsuji H, Sudo N. Metabolomics profile of Japanese female patients with restricting-type anorexia nervosa. Physiol Behav 2021; 228:113204. [PMID: 33053407 DOI: 10.1016/j.physbeh.2020.113204] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2020] [Revised: 10/07/2020] [Accepted: 10/09/2020] [Indexed: 01/21/2023]
Abstract
In this study, the serum metabolic profiles of 10 female patients with restricting type anorexia nervosa (ANR) were compared to those of 10 age-matched healthy female controls. While the levels of amino acids were lower among the patients than among the controls, the levels of uremic toxins, including p-cresyl sulfate (PCS), indole-3-acetic acid, and phenyl sulfate, were higher in ANR patients. The serum PCS levels correlated positively with the abundance of the Clostridium coccoides group or the C. leptum subgroup in the feces of patients, but not in those of controls. Collectively, these results indicate that the serum metabolic profiles of patients with ANR differ from those of healthy women in terms of both decreased amino acid levels and increased uremic toxins. Gut microbes including C. coccoides or C. leptum may be involved in such an increase in uremic toxins.
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Affiliation(s)
- Noriyuki Miyata
- Department of Psychosomatic Medicine, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka 812-8582, Japan
| | - Tomokazu Hata
- Department of Psychosomatic Medicine, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka 812-8582, Japan
| | - Shu Takakura
- Department of Psychosomatic Medicine, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka 812-8582, Japan
| | - Kazufumi Yoshihara
- Department of Psychosomatic Medicine, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka 812-8582, Japan
| | - Chihiro Morita
- Department of Psychosomatic Medicine, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka 812-8582, Japan
| | - Katsunaka Mikami
- Department of Psychiatry, Tokai University School of Medicine, Isehara, Japan
| | - Koji Nomoto
- Tokyo University of Agriculture, Faculty of Life Sciences, Department of Molecular Microbiology, Japan
| | | | | | - Nobuyuki Sudo
- Department of Psychosomatic Medicine, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka 812-8582, Japan.
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38
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Carbone EA, D'Amato P, Vicchio G, De Fazio P, Segura-Garcia C. A systematic review on the role of microbiota in the pathogenesis and treatment of eating disorders. Eur Psychiatry 2020; 64:e2. [PMID: 33416044 PMCID: PMC8057489 DOI: 10.1192/j.eurpsy.2020.109] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Background There is growing interest in new factors contributing to the genesis of eating disorders (EDs). Research recently focused on the study of microbiota. Dysbiosis, associated with a specific genetic susceptibility, may contribute to the development of anorexia nervosa (AN), bulimia nervosa, or binge eating disorder, and several putative mechanisms have already been identified. Diet seems to have an impact not only on modification of the gut microbiota, facilitating dysbiosis, but also on its recovery in patients with EDs. Methods This systematic review based on the PICO strategy searching into PubMed, EMBASE, PsychINFO, and Cochrane Library examined the literature on the role of altered microbiota in the pathogenesis and treatment of EDs. Results Sixteen studies were included, mostly regarding AN. Alpha diversity and short-chain fatty acid (SCFA) levels were lower in patients with AN, and affective symptoms and ED psychopathology seem related to changes in gut microbiota. Microbiota-derived proteins stimulated the autoimmune system, altering neuroendocrine control of mood and satiety in EDs. Microbial richness increased in AN after weight regain on fecal microbiota transplantation. Conclusions Microbiota homeostasis seems essential for a healthy communication network between gut and brain. Dysbiosis may promote intestinal inflammation, alter gut permeability, and trigger immune reactions in the hunger/satiety regulation center contributing to the pathophysiological development of EDs. A restored microbial balance may be a possible treatment target for EDs. A better and more in-depth characterization of gut microbiota and gut–brain crosstalk is required. Future studies may deepen the therapeutic and preventive role of microbiota in EDs.
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Affiliation(s)
- Elvira Anna Carbone
- Department of Health Sciences, University "Magna Graecia", Catanzaro88100, Italy.,Outpatient Service for Clinical Research and Treatment of Eating Disorders, University Hospital Mater Domini, Catanzaro88100, Italy
| | - Pasquale D'Amato
- Department of Medical and Surgical Sciences, University "Magna Graecia", Catanzaro88100, Italy
| | - Giuseppe Vicchio
- Department of Pharmacy, Health and Nutritional Sciences, University of Calabria, Rende87036, Italy
| | - Pasquale De Fazio
- Department of Health Sciences, University "Magna Graecia", Catanzaro88100, Italy
| | - Cristina Segura-Garcia
- Outpatient Service for Clinical Research and Treatment of Eating Disorders, University Hospital Mater Domini, Catanzaro88100, Italy.,Department of Medical and Surgical Sciences, University "Magna Graecia", Catanzaro88100, Italy
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Navas-Carrillo D, Rivera-Caravaca JM, Sampedro-Andrada A, Orenes-Piñero E. Novel biomarkers in Alzheimer's disease using high resolution proteomics and metabolomics: miRNAS, proteins and metabolites. Crit Rev Clin Lab Sci 2020; 58:167-179. [PMID: 33137264 DOI: 10.1080/10408363.2020.1833298] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Alzheimer's disease (AD) is the most common form of dementia. It affects approximately 6% of people over the age of 65 years. It is a clinicopathological, degenerative, chronical and progressive disease that exhibits a deterioration of memory, orientation, speech and other functions. Factors contributing to the pathogenesis of the disease are the presence of extracellular amyloid deposits, called neuritic senile plaques, and fibrillary protein deposits inside neurons, known as neurofibrillary bundles, that appear mainly in the frontal and temporal lobes. AD has a long preclinical latency and is difficult to diagnose and prevent at early stages. Despite the advent of novel high-throughput technologies, it is a great challenge to identify precise biomarkers to understand the progression of the disease and the development of new treatments. In this sense, important knowledge is emerging regarding novel molecular and biological candidates with diagnostic potential, including microRNAs that have a key role in gene repression. On the other hand, proteomic approaches offer a platform for the comprehensive analysis of the whole proteome in a certain physiological time. Proteomic technology investigates protein expression directly and reveals post-translational modifications known to be determinant for many human diseases. Clinically, there is growing evidence for the role of proteomic and metabolomic technologies in AD biomarker discovery. This review discusses the role of several miRNAs identified using genomic technologies, and the importance of novel proteomic and metabolomic approaches to identify new proteins and metabolites that may be useful as biomarkers for monitoring the progression and treatment of AD.
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Affiliation(s)
| | | | | | - Esteban Orenes-Piñero
- Proteomic Unit, Instituto Murciano de Investigación Biosanitaria Virgen de la Arrixaca (IMIB-Arrixaca), Universidad de Murcia, Murcia, Spain
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40
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Gómez-Gallego C, García-Mantrana I, Martínez-Costa C, Salminen S, Isolauri E, Collado MC. The Microbiota and Malnutrition: Impact of Nutritional Status During Early Life. Annu Rev Nutr 2020; 39:267-290. [PMID: 31433738 DOI: 10.1146/annurev-nutr-082117-051716] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
According to the developmental origins of health and disease hypothesis, our health is determined by events experienced in utero and during early infancy. Indeed, both our prenatal and postnatal nutrition conditions have an impact on the initial architecture and activity of our microbiota. Recent evidence has underlined the importance of the composition of the early gut microbiota in relation to malnutrition, whether it be undernutrition or overnutrition, that is, in terms of both stunted and overweight development. It remains unclear how early microbial contact is linked to the risk of disease, as well as whether alterations in the microbiome underlie the pathogenesis of malnutrition or are merely the end result of it, which indicates that thequestion of causality must urgently be answered. This review provides information on the complex interaction between the microbiota and nutrition during the first 1,000 days of life, taking into account the impact of both undernutrition and overnutrition on the microbiota and on infants' health outcomes in the short- and long-term.
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Affiliation(s)
- Carlos Gómez-Gallego
- Institute of Public Health and Clinical Nutrition, University of Eastern Finland, FI-70210 Kuopio, Finland; .,Functional Foods Forum, University of Turku, FI-20520 Turku, Finland;
| | - Izaskun García-Mantrana
- Institute of Agrochemistry and Food Technology (IATA-CSIC), National Research Council, 46980 Valencia, Spain; ,
| | - Cecilia Martínez-Costa
- Department of Pediatrics, School of Medicine, University of Valencia, 46010 Valencia, Spain.,Pediatric Gastroenterology and Nutrition Section, Hospital Clinico Universitario Valencia, INCLIVA,46010 Valencia, Spain;
| | - Seppo Salminen
- Functional Foods Forum, University of Turku, FI-20520 Turku, Finland;
| | - Erika Isolauri
- Department of Paediatrics and Adolescent Medicine, Turku University Hospital, FI-20500 Turku, Finland; .,Department of Clinical Sciences, Faculty of Medicine, University of Turku, FI-20014 Turku, Finland
| | - M Carmen Collado
- Institute of Agrochemistry and Food Technology (IATA-CSIC), National Research Council, 46980 Valencia, Spain; , .,Functional Foods Forum, University of Turku, FI-20520 Turku, Finland;
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41
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The neurotoxicity of trichothecenes T-2 toxin and deoxynivalenol (DON): Current status and future perspectives. Food Chem Toxicol 2020; 145:111676. [PMID: 32805342 DOI: 10.1016/j.fct.2020.111676] [Citation(s) in RCA: 39] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2020] [Revised: 08/01/2020] [Accepted: 08/04/2020] [Indexed: 12/14/2022]
Abstract
During the last decade, the neurotoxicity of the trichothecenes T-2 toxin and deoxynivalenol (DON) has been a major concern, and many important findings have been reported on this topic. Through a summary of relevant research reports in recent years, we discuss the potential neurotoxic mechanisms of T-2 toxin and DON. In neuronal cells, T-2 toxin induces mitochondrial dysfunction and oxidative stress through a series of signalling pathways, including Nrf2/HO-1 and p53. This toxin crosses the blood-brain barrier (BBB) by altering permeability and induces oxidative stress responses, including ROS generation, lipid peroxidation, and protein carbonyl formation. Cellular metabolites (for example, HT-2 toxin) further promote neurotoxic effects. The type B trichothecene DON induces neuronal cell apoptosis via the MAPK and mitochondrial apoptosis pathways. This molecule induces inflammation of the central nervous system, increasing the expression of proinflammatory molecules. DON directly affects brain neurons and glial cells after passing through the BBB and affects the vitality and function of astrocytes and microglia. Exposure to trichothecenes alters brain dopamine levels, decreases ganglion area, and further induces brain damage. In this review, we mainly discuss the neurotoxicity of T-2 toxin and DON. However, our main goal was to reveal the potential mechanism(s) and offer new topics, including the potential of hypoxia-inducible factors, immune evasion, and exosomes, for future research in this context. This review should help elucidate the neurotoxic mechanism of trichothecenes and provides some potential inspiration for the follow-up study of neurotoxicity of mycotoxins.
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42
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Wang Y, Li N, Yang JJ, Zhao DM, Chen B, Zhang GQ, Chen S, Cao RF, Yu H, Zhao CY, Zhao L, Ge YS, Liu Y, Zhang LH, Hu W, Zhang L, Gai ZT. Probiotics and fructo-oligosaccharide intervention modulate the microbiota-gut brain axis to improve autism spectrum reducing also the hyper-serotonergic state and the dopamine metabolism disorder. Pharmacol Res 2020; 157:104784. [PMID: 32305492 DOI: 10.1016/j.phrs.2020.104784] [Citation(s) in RCA: 118] [Impact Index Per Article: 29.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/21/2019] [Revised: 03/23/2020] [Accepted: 03/24/2020] [Indexed: 02/07/2023]
Abstract
The prevalence of autism spectrum disorders (ASD) is increasing, but its etiology remains elusive and hence an effective treatment is not available. Previous research conducted on animal models suggests that microbiota-gut-brain axis may contribute to ASD pathology and more human research is needed. This study was divided into two stages,.At the discovery stage, we compared the differences in gut microbiota profiles (using 16S rRNA sequencing), fecal SCFAs (using GC-MS) and plasma neurotransmitters (using UHPLC-MS/MS) of 26 children with ASD and 24 normal children. All 26 children with ASD participated in the intervention stage, and we measured the gut microbiota profiles, SCFAs and neurotransmitters before and after probiotics + FOS (n = 16) or placebo supplementation (n = 10). We found that gut microbiota was in a state of dysbiosis and significantly lower levels of Bifidobacteriales and Bifidobacterium longum were observed at the discovery stage in children with ASD. An increase in beneficial bacteria (Bifidobacteriales and B. longum) and suppression of suspected pathogenic bacteria (Clostridium) emerged after probiotics + FOS intervention, with significant reduction in the severity of autism and gastrointestinal symptoms. Compared to children in the control group, significantly lower levels of acetic acid, propionic acid and butyric acid were found, and a hyperserotonergic state (increased serotonin) and dopamine metabolism disorder (decreased homovanillic acid) were observed in children with ASD. Interestingly, the above SCFAs in children with autism significantly elevated after probiotics + FOS intervention and approached those in the control group. In addition, our data demonstrated that decreased serotonin and increased homovanillic acid emerged after probiotics + FOS intervention. However, the above-mentioned changes did not appear in the placebo group for ASD children. Probiotics + FOS intervention can modulate gut microbiota, SCFAs and serotonin in association with improved ASD symptoms, including a hyper-serotonergic state and dopamine metabolism disorder.
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Affiliation(s)
- Ying Wang
- Shandong Children's Microbiome Center, Research Institute of Pediatrics, Qilu Children's Hospital of Shandong University, Jinan, Shandong, China; State Key Laboratory of Microbial Technology, Shandong University, Qingdao, Shandong, China.
| | - Ning Li
- Institute of Child Health Care, Qilu Children's Hospital of Shandong University, Jinan, Shandong, China.
| | - Jun-Jie Yang
- College of Life Science, Qilu Normal University, Jinan, Shandong, China.
| | - Dong-Mei Zhao
- Institute of Child Health Care, Qilu Children's Hospital of Shandong University, Jinan, Shandong, China.
| | - Bin Chen
- Beijing Advanced Innovation Center for Big Data-Based Precision Medicine, School of Medicine and Engineering, Beihang University, Key Laboratory of Big Data-Based Precision Medicine (Beihang University), the Ministry of Industry and Information Technology of the People's Republic of China, Beijing, China.
| | - Guo-Qing Zhang
- Bio-Med Big Data Center, CAS Key Laboratory of Computational Biology, CAS-MPG Partner Institute for Computational Biology, Shanghai Institute of Nutrition and Health, Shanghai, China.
| | - Shuo Chen
- Shenzhen Institute of Synthetic Biology, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, Guangdong, China; CAS Key Laboratory of Quantitative Engineering Biology, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, Guangdong, China.
| | - Rui-Fang Cao
- Bio-Med Big Data Center, CAS Key Laboratory of Computational Biology, CAS-MPG Partner Institute for Computational Biology, Shanghai Institute of Nutrition and Health, Shanghai, China.
| | - Han Yu
- Shandong Children's Microbiome Center, Research Institute of Pediatrics, Qilu Children's Hospital of Shandong University, Jinan, Shandong, China.
| | - Chang-Ying Zhao
- Shandong Children's Microbiome Center, Research Institute of Pediatrics, Qilu Children's Hospital of Shandong University, Jinan, Shandong, China.
| | - Lu Zhao
- Shandong Children's Microbiome Center, Research Institute of Pediatrics, Qilu Children's Hospital of Shandong University, Jinan, Shandong, China.
| | - Yong-Sheng Ge
- Shandong Children's Microbiome Center, Research Institute of Pediatrics, Qilu Children's Hospital of Shandong University, Jinan, Shandong, China.
| | - Yi Liu
- Shandong Children's Microbiome Center, Research Institute of Pediatrics, Qilu Children's Hospital of Shandong University, Jinan, Shandong, China.
| | - Le-Hai Zhang
- Shandong Children's Microbiome Center, Research Institute of Pediatrics, Qilu Children's Hospital of Shandong University, Jinan, Shandong, China.
| | - Wei Hu
- State Key Laboratory of Microbial Technology, Shandong University, Qingdao, Shandong, China.
| | - Lei Zhang
- Beijing Advanced Innovation Center for Big Data-Based Precision Medicine, School of Medicine and Engineering, Beihang University, Key Laboratory of Big Data-Based Precision Medicine (Beihang University), the Ministry of Industry and Information Technology of the People's Republic of China, Beijing, China; Microbiome Research Center, Shandong Institutes for Food and Drug Control, Shandong Institute of Industrial Technology for Health Sciences and Precision Medicine, Jinan, Shandong, China.
| | - Zhong-Tao Gai
- Shandong Children's Microbiome Center, Research Institute of Pediatrics, Qilu Children's Hospital of Shandong University, Jinan, Shandong, China.
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Eltokhi A, Janmaat IE, Genedi M, Haarman BCM, Sommer IEC. Dysregulation of synaptic pruning as a possible link between intestinal microbiota dysbiosis and neuropsychiatric disorders. J Neurosci Res 2020; 98:1335-1369. [PMID: 32239720 DOI: 10.1002/jnr.24616] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2019] [Revised: 02/16/2020] [Accepted: 02/26/2020] [Indexed: 02/06/2023]
Abstract
The prenatal and early postnatal stages represent a critical time window for human brain development. Interestingly, this window partly overlaps with the maturation of the intestinal flora (microbiota) that play a critical role in the bidirectional communication between the central and the enteric nervous systems (microbiota-gut-brain axis). The microbial composition has important influences on general health and the development of several organ systems, such as the gastrointestinal tract, the immune system, and also the brain. Clinical studies have shown that microbiota alterations are associated with a wide range of neuropsychiatric disorders including autism spectrum disorder, attention deficit hyperactivity disorder, schizophrenia, and bipolar disorder. In this review, we dissect the link between these neuropsychiatric disorders and the intestinal microbiota by focusing on their effect on synaptic pruning, a vital process in the maturation and establishing efficient functioning of the brain. We discuss in detail how synaptic pruning is dysregulated differently in the aforementioned neuropsychiatric disorders and how it can be influenced by dysbiosis and/or changes in the intestinal microbiota composition. We also review that the improvement in the intestinal microbiota composition by a change in diet, probiotics, prebiotics, or fecal microbiota transplantation may play a role in improving neuropsychiatric functioning, which can be at least partly explained via the optimization of synaptic pruning and neuronal connections. Altogether, the demonstration of the microbiota's influence on brain function via microglial-induced synaptic pruning addresses the possibility that the manipulation of microbiota-immune crosstalk represents a promising strategy for treating neuropsychiatric disorders.
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Affiliation(s)
- Ahmed Eltokhi
- Department of Neurology and Epileptology, Hertie Institute for Clinical Brain Research, Eberhard Karls University Tubingen, Tubingen, Germany
| | - Isabel E Janmaat
- Department of Biomedical Sciences, Cells & Systems, University Medical Centre Groningen, University of Groningen, Groningen, the Netherlands
| | - Mohamed Genedi
- Department of Biomedical Sciences, Cells & Systems, University Medical Centre Groningen, University of Groningen, Groningen, the Netherlands
| | - Bartholomeus C M Haarman
- Department of Psychiatry, University Medical Centre Groningen, University of Groningen, Groningen, the Netherlands
| | - Iris E C Sommer
- Department of Biomedical Sciences, Cells & Systems, University Medical Centre Groningen, University of Groningen, Groningen, the Netherlands
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Averina OV, Kovtun AS, Polyakova SI, Savilova AM, Rebrikov DV, Danilenko VN. The bacterial neurometabolic signature of the gut microbiota of young children with autism spectrum disorders. J Med Microbiol 2020; 69:558-571. [DOI: 10.1099/jmm.0.001178] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Introduction. The human gut microbiota is currently seen as an important factor that can promote autism spectrum disorder (ASD) development in children.
Aim. This study aimed to detect differences in the taxonomic composition and content of bacterial genes encoding key enzymes involved in the metabolism of neuroactive biomarker compounds in the metagenomes of gut microbiota of children with ASD and neurotypical children.
Methodology. A whole metagenome sequencing approach was used to obtain metagenomic data on faecal specimens of 36 children with ASD and 21 healthy neurotypical children of 3–5 years old. Taxonomic analysis was conducted using MetaPhlAn2. The developed bioinformatics algorithm and created catalogue of the orthologues were applied to identify bacterial genes of neuroactive compounds in the metagenomes. For the identification of metagenomic signatures of children with ASD, Wilcoxon's test and adjustment for multiple comparisons were used.
Results. Statistically significant differences with decreases in average abundance in the microbiota of ASD children were found for the genera
Barnesiella
and
Parabacteroides
and species
Alistipes putredinis
,
B. caccae
, Bacteroides intestinihominis,
Eubacterium rectale
,
Parabacteroides distasonis
and
Ruminococcus lactaris
. Average relative abundances of the detected genes and neurometabolic signature approach did not reveal many significant differences in the metagenomes of the groups that were compared. We noted decreases in the abundance of genes linked to production of GABA, melatonine and butyric acid in the ASD metagenomes.
Conclusion. For the first time, the neurometabolic signature of the gut microbiota of young children with ASD is presented. The data can help to provide a comparative assessment of the transcriptional and metabolomic activity of the identified genes.
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Affiliation(s)
- Olga V. Averina
- Pirogov Russian National Research Medical University, Moscow 117997, Russia
- Vavilov Institute of General Genetics, Russian Academy of Sciences, Moscow 119991, Russia
| | - Alexey S. Kovtun
- Moscow Institute of Physics and Technology (State University), Dolgoprudny, Moscow oblast 141701, Russia
- Vavilov Institute of General Genetics, Russian Academy of Sciences, Moscow 119991, Russia
| | | | | | - Denis V. Rebrikov
- Pirogov Russian National Research Medical University, Moscow 117997, Russia
| | - Valery N. Danilenko
- Moscow Institute of Physics and Technology (State University), Dolgoprudny, Moscow oblast 141701, Russia
- Vavilov Institute of General Genetics, Russian Academy of Sciences, Moscow 119991, Russia
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Askarova S, Umbayev B, Masoud AR, Kaiyrlykyzy A, Safarova Y, Tsoy A, Olzhayev F, Kushugulova A. The Links Between the Gut Microbiome, Aging, Modern Lifestyle and Alzheimer's Disease. Front Cell Infect Microbiol 2020; 10:104. [PMID: 32257964 PMCID: PMC7093326 DOI: 10.3389/fcimb.2020.00104] [Citation(s) in RCA: 99] [Impact Index Per Article: 24.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2019] [Accepted: 02/27/2020] [Indexed: 12/16/2022] Open
Abstract
Gut microbiome is a community of microorganisms in the gastrointestinal tract. These bacteria have a tremendous impact on the human physiology in healthy individuals and during an illness. Intestinal microbiome can influence one's health either directly by secreting biologically active substances such as vitamins, essential amino acids, lipids et cetera or indirectly by modulating metabolic processes and the immune system. In recent years considerable information has been accumulated on the relationship between gut microbiome and brain functions. Moreover, significant quantitative and qualitative changes of gut microbiome have been reported in patients with Alzheimer's disease. On the other hand, gut microbiome is highly sensitive to negative external lifestyle aspects, such as diet, sleep deprivation, circadian rhythm disturbance, chronic noise, and sedentary behavior, which are also considered as important risk factors for the development of sporadic Alzheimer's disease. In this regard, this review is focused on analyzing the links between gut microbiome, modern lifestyle, aging, and Alzheimer's disease.
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Affiliation(s)
- Sholpan Askarova
- National Laboratory Astana, Center for Life Sciences, Nazarbayev University, Nur-Sultan, Kazakhstan
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Szewczyk A, Witecka A, Kiersztan A. The role of gut microbiota in the pathogenesis of neuropsychiatric and neurodegenerative diseases. POSTEP HIG MED DOSW 2019. [DOI: 10.5604/01.3001.0013.7326] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
According to current knowledge, the number of microorganisms living in our body slightly exceeds the number of our own cells, and most of them occupy the large intestine. New methods for analyzing microorganisms residing in our intestine (intestinal microbiota) enable a better understanding of their metabolic, protective and structural functions as well as complex interactions with the host. The development of microbiota is dynamic, and its composition may change during our lifetime. Many factors can affect the composition of microbiota, such as diet, stress, age, genetic factors and antibiotic therapy. Microbiota-gut-brain communication is bi-directional and is mediated via neuronal, immunological and humoral pathways. This article focuses on gut-brain axis elements, such as the vagus nerve, hypothalamic-pituitary-adrenal axis (HPA), cytokines, neurotransmitters, hormones and intestinal peptides, allowing microbiota to contact with the central nervous system. Moreover, this article shows the mechanisms by which microbiota affects the brain functions related to our behavior, mood and cognitive processes. In addition, the role of microbiota composition disorders in the pathogenesis of central nervous system diseases (such as depression, autism spectrum disorder, schizophrenia, multiple sclerosis, Parkinson’s disease and Alzheimer’s disease) is discussed. This article also focuses on the results from studies in which probiotics have been used as potential therapeutic agents in the treatment of gastrointestinal disorders and also alleviating the symptoms of the central nervous system diseases.
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Affiliation(s)
- Aleksandra Szewczyk
- Zakład Regulacji Metabolizmu, Instytut Biochemii, Wydział Biologii, Uniwersytet Warszawski, Warszawa
| | - Apolonia Witecka
- Zakład Regulacji Metabolizmu, Instytut Biochemii, Wydział Biologii, Uniwersytet Warszawski, Warszawa
| | - Anna Kiersztan
- Zakład Regulacji Metabolizmu, Instytut Biochemii, Wydział Biologii, Uniwersytet Warszawski, Warszawa
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47
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Yadav M, Mandeep, Shukla P. Probiotics of Diverse Origin and Their Therapeutic Applications: A Review. J Am Coll Nutr 2019; 39:469-479. [PMID: 31765283 DOI: 10.1080/07315724.2019.1691957] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
The increased awareness about the harmful effects of excessive use of antibiotics has created an interest in probiotics due to its beneficial effects on gut microbiota. These advantages of probiotics have attracted researchers to find out effects on human metabolism and their role in the treatment of diverse types of diseases or disorders. Additionally, they are clinically used as biocontrol agents in the treatment of mental disorders, anticancer agents and in decreasing the threat of necrotizing enterocolitis in premature infants. In this review, we have focused on various kinds of probiotics and various nondairy substrates for their production. We have also included the importance of probiotics in the treatment of metabolic disorders, type II diabetes and infectious diseases. Furthermore, this review emphasizes applications of probiotics originated from different organisms. Their future health perspectives are discussed to gain insight into their applications.KEY TEACHING POINTSThe global market of probiotics is enormously rising day by day due to its highly beneficial effect on human microbiota.Additionally, these are used as biocontrol agents; mental disorders prevent cancer and decrease the threat of necrotizing enterocolitis (NEC) in premature infants.This review focuses on various kinds of sources of probiotics and various non-dairy substrates for the production of probiotics.The importance of probiotics in the treatment of metabolic disorders, type II diabetes control, cancer and treatment of infectious diseases are also described.It emphasizes diversified probiotics and their applications in various human health aspects and future perspectives.
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Affiliation(s)
- Monika Yadav
- Enzyme Technology and Protein Bioinformatics Laboratory, Department of Microbiology, Maharshi Dayanand University, Rohtak, Haryana, India
| | - Mandeep
- Enzyme Technology and Protein Bioinformatics Laboratory, Department of Microbiology, Maharshi Dayanand University, Rohtak, Haryana, India
| | - Pratyoosh Shukla
- Enzyme Technology and Protein Bioinformatics Laboratory, Department of Microbiology, Maharshi Dayanand University, Rohtak, Haryana, India
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Lin C, Zhao S, Zhu Y, Fan Z, Wang J, Zhang B, Chen Y. Microbiota-gut-brain axis and toll-like receptors in Alzheimer's disease. Comput Struct Biotechnol J 2019; 17:1309-1317. [PMID: 31921396 PMCID: PMC6944716 DOI: 10.1016/j.csbj.2019.09.008] [Citation(s) in RCA: 51] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2019] [Revised: 09/19/2019] [Accepted: 09/22/2019] [Indexed: 12/21/2022] Open
Abstract
Alzheimer’s disease (AD) is a multifactorial disease which involves both the periphery and central nervous system (CNS). It has been recently recognized that gut microbiota interacts with the gut and brain (microbiota-gut-brain axis), contributing to the pathogenesis of neurodegenerative diseases, such as AD. Dysbiosis of gut microbiota can induce increased intestinal permeability and systemic inflammation, which may lead to the development of AD pathologies and cognitive impairment via the neural, immune, endocrine, and metabolic pathways. Toll-like receptors (TLRs) play an important role in the innate immune system via recognizing microbes-derived pathogens and initiating the inflammatory process. TLRs have also been found in the brain, especially in the microglia, and have been indicated in the development of AD. In this review, we summarized the relationship between microbiota-gut-brain axis and AD, as well as the complex role of TLRs in AD. Intervention of the gut microbiota or modulation of TLRs properly might emerge as promising preventive and therapeutic strategies for AD.
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Affiliation(s)
- Caixiu Lin
- Department of Neurology, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China.,Department of Neurology, Affiliated Hangzhou First People's Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Shuai Zhao
- Department of Neurology, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Yueli Zhu
- Department of Neurology, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Ziqi Fan
- Department of Neurology, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Jing Wang
- Department of Geriatric, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Baorong Zhang
- Department of Neurology, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Yanxing Chen
- Department of Neurology, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
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49
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Rajan SK, Lindqvist M, Brummer RJ, Schoultz I, Repsilber D. Phylogenetic microbiota profiling in fecal samples depends on combination of sequencing depth and choice of NGS analysis method. PLoS One 2019; 14:e0222171. [PMID: 31527871 PMCID: PMC6748435 DOI: 10.1371/journal.pone.0222171] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2019] [Accepted: 08/22/2019] [Indexed: 12/12/2022] Open
Abstract
The human gut microbiota is well established as an important factor in health and disease. Fecal sample microbiota are often analyzed as a proxy for gut microbiota, and characterized with respect to their composition profiles. Modern approaches employ whole genome shotgun next-generation sequencing as the basis for these analyses. Sequencing depth as well as choice of next-generation sequencing data analysis method constitute two main interacting methodological factors for such an approach. In this study, we used 200 million sequence read pairs from one fecal sample for comparing different taxonomy classification methods, using default and custom-made reference databases, at different sequencing depths. A mock community data set with known composition was used for validating the classification methods. Results suggest that sequencing beyond 60 million read pairs does not seem to improve classification. The phylogeny prediction pattern, when using the default databases and the consensus database, appeared to be similar for all three methods. Moreover, these methods predicted rather different species. We conclude that the choice of sequencing depth and classification method has important implications for taxonomy composition prediction. A multi-method-consensus approach for robust gut microbiota NGS analysis is recommended.
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Affiliation(s)
| | | | | | - Ida Schoultz
- School of Medical Sciences, Örebro University, Örebro, Sweden
| | - Dirk Repsilber
- School of Medical Sciences, Örebro University, Örebro, Sweden
- * E-mail:
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50
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Giménez-Gómez P, Pérez-Hernández M, O'Shea E, Caso JR, Martín-Hernandez D, Cervera LA, Centelles MLGL, Gutiérrez-Lopez MD, Colado MI. Changes in brain kynurenine levels via gut microbiota and gut-barrier disruption induced by chronic ethanol exposure in mice. FASEB J 2019; 33:12900-12914. [PMID: 31509716 DOI: 10.1096/fj.201900491rr] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Inflammatory processes have been shown to modify tryptophan (Trp) metabolism. Gut microbiota appears to play a significant role in the induction of peripheral and central inflammation. Ethanol (EtOH) exposure alters gut permeability, but its effects on Trp metabolism and the involvement of gut microbiota have not been studied. We analyzed several parameters of gut-barrier and of peripheral and central Trp metabolism following 2 different EtOH consumption patterns in mice, the binge model, drinking in the dark (DID), and the chronic intermittent (CI) consumption paradigm. Antibiotic treatment was used to evaluate gut microbiota involvement in the CI model. Mice exposed to CI EtOH intake, but not DID, show bacterial translocation and increased plasma LPS immediately after EtOH removal. Gut-barrier permeability to FITC-dextran is increased by CI, and, furthermore, intestinal epithelial tight-junction (TJ) disruption is observed (decreased expression of zonula occludens 1 and occludin) associated with increased matrix metalloproteinase (MMP)-9 activity and iNOS expression. CI EtOH, but not DID, increases kynurenine (Kyn) levels in plasma and limbic forebrain. Intestinal bacterial decontamination prevents the LPS increase but not the permeability to FITC-dextran, TJ disruption, or the increase in MMP-9 activity and iNOS expression. Although plasma Kyn levels are not affected by antibiotic treatment, the elevation of Kyn in brain is prevented, pointing to an involvement of microbiota in CI EtOH-induced changes in brain Trp metabolism. Additionally, CI EtOH produces depressive-like symptoms of anhedonia, which are prevented by the antibiotic treatment thus pointing to an association between anhedonia and the increase in brain Kyn and to the involvement of gut microbiota.-Giménez-Gómez, P., Pérez-Hernández, M., O'Shea, E., Caso, J. R., Martín-Hernández, D., Cervera, L. A., Centelles. M. L. G.-L., Gutiérrez-Lopez, M. D., Colado, M. I. Changes in brain kynurenine levels via gut microbiota and gut-barrier disruption induced by chronic ethanol exposure in mice.
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Affiliation(s)
- Pablo Giménez-Gómez
- Departamento de Farmacología y Toxicología, Facultad de Medicina, Universidad Complutense, Madrid, Spain.,Instituto de Investigación Sanitaria Hospital 12 de Octubre, Madrid, Spain.,Red de Trastornos Adictivos del Instituto de Salud Carlos III, Madrid, Spain.,Instituto Universitario de Investigación Neuroquímica (IUIN), Facultad de Medicina, Universidad Complutense, Madrid, Spain
| | - Mercedes Pérez-Hernández
- Departamento de Farmacología y Toxicología, Facultad de Medicina, Universidad Complutense, Madrid, Spain.,Instituto de Investigación Sanitaria Hospital 12 de Octubre, Madrid, Spain.,Red de Trastornos Adictivos del Instituto de Salud Carlos III, Madrid, Spain.,Instituto Universitario de Investigación Neuroquímica (IUIN), Facultad de Medicina, Universidad Complutense, Madrid, Spain
| | - Esther O'Shea
- Departamento de Farmacología y Toxicología, Facultad de Medicina, Universidad Complutense, Madrid, Spain.,Instituto de Investigación Sanitaria Hospital 12 de Octubre, Madrid, Spain.,Red de Trastornos Adictivos del Instituto de Salud Carlos III, Madrid, Spain.,Instituto Universitario de Investigación Neuroquímica (IUIN), Facultad de Medicina, Universidad Complutense, Madrid, Spain
| | - Javier R Caso
- Departamento de Farmacología y Toxicología, Facultad de Medicina, Universidad Complutense, Madrid, Spain.,Instituto de Investigación Sanitaria Hospital 12 de Octubre, Madrid, Spain.,Centro de Investigación Biomédica en Salud Mental (CIBERSAM), Madrid, Spain
| | - David Martín-Hernandez
- Departamento de Farmacología y Toxicología, Facultad de Medicina, Universidad Complutense, Madrid, Spain.,Instituto de Investigación Sanitaria Hospital 12 de Octubre, Madrid, Spain.,Centro de Investigación Biomédica en Salud Mental (CIBERSAM), Madrid, Spain
| | - Luis Alou Cervera
- Área de Microbiología, Departamento de Medicina, Facultad de Medicina, Universidad Complutense, Madrid, Spain
| | | | - María Dolores Gutiérrez-Lopez
- Departamento de Farmacología y Toxicología, Facultad de Medicina, Universidad Complutense, Madrid, Spain.,Instituto de Investigación Sanitaria Hospital 12 de Octubre, Madrid, Spain.,Red de Trastornos Adictivos del Instituto de Salud Carlos III, Madrid, Spain.,Instituto Universitario de Investigación Neuroquímica (IUIN), Facultad de Medicina, Universidad Complutense, Madrid, Spain
| | - Maria Isabel Colado
- Departamento de Farmacología y Toxicología, Facultad de Medicina, Universidad Complutense, Madrid, Spain.,Instituto de Investigación Sanitaria Hospital 12 de Octubre, Madrid, Spain.,Red de Trastornos Adictivos del Instituto de Salud Carlos III, Madrid, Spain.,Instituto Universitario de Investigación Neuroquímica (IUIN), Facultad de Medicina, Universidad Complutense, Madrid, Spain
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