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Soleimanpour S, Abavisani M, Khoshrou A, Sahebkar A. Probiotics for autism spectrum disorder: An updated systematic review and meta-analysis of effects on symptoms. J Psychiatr Res 2024; 179:92-104. [PMID: 39265200 DOI: 10.1016/j.jpsychires.2024.09.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/26/2024] [Revised: 09/02/2024] [Accepted: 09/08/2024] [Indexed: 09/14/2024]
Abstract
BACKGROUND Recent researches highlighted the significant role of the gut-brain axis and gut microbiota in autism spectrum disorder (ASD), a neurobehavioral developmental disorder characterized by a variety of neuropsychiatric and gastrointestinal symptoms, suggesting that alterations in the gut microbiota may correlate with the severity of ASD symptoms. Therefore, this study was designed to conduct a comprehensive systematic review and meta-analysis of the effectiveness of probiotic interventions in ameliorating behavioral symptoms in individuals with ASD. METHODS This study adhered to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guideline. A comprehensive literature search was performed across multiple databases including the Cochrane Library, PubMed, Web of Science, and Google Scholar up until June 2024. Inclusion criteria encompassed published randomized clinical trials (RCTs), focusing on probiotic interventions and evaluating outcomes related to ASD behavior symptoms. The study utilized Cochrane's Risk of Bias 2 for bias assessment and applied random effect models with inverse variance method for statistical analysis, also addressing publication bias and conducting subgroup analyses through Begg's and Egger's tests to explore the effects of various factors on the outcomes. RESULTS Our meta-analysis, which looked at eight studies with a total of 318 samples from ASD patients aged 1.5-20 years, showed that the probiotic intervention group had significantly better behavioral symptoms compared to the control group. This was shown by a pooled standardized mean difference (SMD) of -0.38 (95% CI: 0.58 to -0.18, p < 0.01). Subgroup analyses revealed significant findings across a variety of factors: studies conducted in the European region showed a notable improvement with an SMD of -0.44 (95%CI: 0.72 to -0.15); interventions lasting longer than three months exhibited a significant improvement with an SMD of -0.43 (95%CI: 0.65 to -0.21); and studies focusing on both participants under and greater than 10 years found significant benefits with an SMDs of -0.37 and -0.40, respectively (95%CI: 0.65 to -0.09, and 95%CI: 0.69 to -0.11, respectively). Moreover, both multi-strain probiotics and single-strain interventions showed an overall significant improvement with a SMD of -0.53 (95%CI: 0.85 to -0.22) and -0.28 (95%CI: 0.54 to -0.02), respectively. Also, the analysis confirmed the low likelihood of publication bias and the robustness of these findings. CONCLUSION Our study highlighted the significant improvement in ASD behavioral symptoms through probiotic supplementation. The need for personalized treatment approaches and further research to confirm efficacy and safety of probiotics in ASD management is emphasized.
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Affiliation(s)
- Saman Soleimanpour
- Department of Microbiology and Virology, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran; Antimicrobial Resistance Research Center, Bu-Ali Research Institute, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Mohammad Abavisani
- Department of Microbiology and Virology, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran; Student Research Committee, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Alireza Khoshrou
- Student Research Committee, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Amirhossein Sahebkar
- Center for Global Health Research, Saveetha Medical College and Hospitals, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, India; Biotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran; Applied Biomedical Research Center, Mashhad University of Medical Sciences, Mashhad, Iran.
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Petroff RL, Grant KS, Burbacher TM. The Role of Nonhuman Primates in Neurotoxicology Research: Preclinical Models and Experimental Methods. Curr Protoc 2023; 3:e698. [PMID: 36912610 PMCID: PMC10084743 DOI: 10.1002/cpz1.698] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/14/2023]
Abstract
Although noteworthy progress has been made in developing alternatives to animal testing, nonhuman primates still play a critical role in advancing biomedical research and will likely do so for many years. Core similarities between monkeys and humans in genetics, physiology, reproduction, development, and behavior make them excellent models for translational studies relevant to human health. This unit is designed to specifically address the role of nonhuman primates in neurotoxicology research and outlines the specialized assessments that can be used to measure exposure-related changes at the structural, chemical, cellular, molecular, and functional levels. © 2023 Wiley Periodicals LLC.
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Affiliation(s)
- Rebekah L Petroff
- Department of Environmental & Occupational Health Sciences (DEOHS), University of Washington, Seattle, Washington
| | - Kimberly S Grant
- Department of Environmental & Occupational Health Sciences (DEOHS), University of Washington, Seattle, Washington
| | - Thomas M Burbacher
- Department of Environmental & Occupational Health Sciences (DEOHS), University of Washington, Seattle, Washington
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Wang N, Lv L, Huang X, Shi M, Dai Y, Wei Y, Xu B, Fu C, Huang H, Shi H, Liu Y, Hu X, Qin D. Gene editing in monogenic autism spectrum disorder: animal models and gene therapies. Front Mol Neurosci 2022; 15:1043018. [PMID: 36590912 PMCID: PMC9794862 DOI: 10.3389/fnmol.2022.1043018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2022] [Accepted: 11/22/2022] [Indexed: 12/15/2022] Open
Abstract
Autism spectrum disorder (ASD) is a lifelong neurodevelopmental disease, and its diagnosis is dependent on behavioral manifestation, such as impaired reciprocal social interactions, stereotyped repetitive behaviors, as well as restricted interests. However, ASD etiology has eluded researchers to date. In the past decades, based on strong genetic evidence including mutations in a single gene, gene editing technology has become an essential tool for exploring the pathogenetic mechanisms of ASD via constructing genetically modified animal models which validates the casual relationship between genetic risk factors and the development of ASD, thus contributing to developing ideal candidates for gene therapies. The present review discusses the progress in gene editing techniques and genetic research, animal models established by gene editing, as well as gene therapies in ASD. Future research should focus on improving the validity of animal models, and reliable DNA diagnostics and accurate prediction of the functional effects of the mutation will likely be equally crucial for the safe application of gene therapies.
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Affiliation(s)
- Na Wang
- School of Basic Medical Sciences, Yunnan University of Chinese Medicine, Kunming, Yunnan, China
| | - Longbao Lv
- Key Laboratory of Animal Models and Human Disease Mechanisms of the Chinese Academy of Sciences and Yunnan Province, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, Yunnan, China
| | - Xiaoyi Huang
- School of Basic Medical Sciences, Yunnan University of Chinese Medicine, Kunming, Yunnan, China
| | - Mingqin Shi
- School of Basic Medical Sciences, Yunnan University of Chinese Medicine, Kunming, Yunnan, China
| | - Youwu Dai
- School of Basic Medical Sciences, Yunnan University of Chinese Medicine, Kunming, Yunnan, China
| | - Yuanyuan Wei
- School of Basic Medical Sciences, Yunnan University of Chinese Medicine, Kunming, Yunnan, China
| | - Bonan Xu
- School of Basic Medical Sciences, Yunnan University of Chinese Medicine, Kunming, Yunnan, China
| | - Chenyang Fu
- School of Basic Medical Sciences, Yunnan University of Chinese Medicine, Kunming, Yunnan, China
| | - Haoyu Huang
- Department of Pediatric Rehabilitation Medicine, Kunming Children’s Hospital, Kunming, Yunnan, China
| | - Hongling Shi
- Department of Rehabilitation Medicine, The Third People’s Hospital of Yunnan Province, Kunming, Yunnan, China
| | - Yun Liu
- Department of Pediatric Rehabilitation Medicine, Kunming Children’s Hospital, Kunming, Yunnan, China
| | - Xintian Hu
- Key Laboratory of Animal Models and Human Disease Mechanisms of the Chinese Academy of Sciences and Yunnan Province, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, Yunnan, China
| | - Dongdong Qin
- School of Basic Medical Sciences, Yunnan University of Chinese Medicine, Kunming, Yunnan, China
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Sun W, Li B, Ma C. Muscimol-induced inactivation of the ventral prefrontal cortex impairs counting performance in rhesus monkeys. Sci Prog 2022; 105:368504221141660. [PMID: 36443989 PMCID: PMC10358485 DOI: 10.1177/00368504221141660] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/11/2023]
Abstract
Numbers are one of the three basic concepts of human abstract thinking. When human beings count, they often point to things, one by one, and read numbers in a positive integer column. The prefrontal cortex plays a wide range of roles in executive functions, including active maintenance and achievement of goals, adaptive coding and exertion of general intelligence, and completion of time complexity events. Nonhuman animals do not use number names, such as "one, two, three," or numerals, such as "1, 2, 3" to "count" in the same way as humans do. Our previous study established an animal model of counting in monkeys. Here, we used this model to determine whether the prefrontal cortex participates in counting in monkeys. Two 5-year-old female rhesus monkeys (macaques), weighing 5.0 kg and 5.5 kg, were selected to train in a counting task, counting from 1 to 5. When their counting task performance stabilized, we performed surgery on the prefrontal cortex to implant drug delivery tubes. After allowing the monkeys' physical condition and counting performance to recover, we injected either muscimol or normal saline into their dorsal and ventral prefrontal cortex. Thereafter, we observed their counting task performance and analyzed the error types and reaction time during the counting task. The monkeys' performance in the counting task decreased significantly after muscimol injection into the ventral prefrontal cortex; however, it was not affected after saline injection into the ventral prefrontal cortex, or after muscimol or saline injection into the dorsal prefrontal cortex. The ventral prefrontal cortex of the monkey is necessary for counting performance.
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Affiliation(s)
- Weiming Sun
- School of Life Science, Nanchang University, Nanchang, China
- Center for Neuropsychiatric Disorders, Institute of Life Science, Nanchang University, Nanchang, China
| | - Baoming Li
- School of Life Science, Nanchang University, Nanchang, China
- Center for Neuropsychiatric Disorders, Institute of Life Science, Nanchang University, Nanchang, China
| | - Chaolin Ma
- School of Life Science, Nanchang University, Nanchang, China
- Center for Neuropsychiatric Disorders, Institute of Life Science, Nanchang University, Nanchang, China
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Zhao T, Xie Z, Xi Y, Liu L, Li Z, Qin D. How to Model Rheumatoid Arthritis in Animals: From Rodents to Non-Human Primates. Front Immunol 2022; 13:887460. [PMID: 35693791 PMCID: PMC9174425 DOI: 10.3389/fimmu.2022.887460] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Accepted: 04/28/2022] [Indexed: 02/05/2023] Open
Abstract
Rheumatoid arthritis (RA) is a chronic inflammatory autoimmune disease influenced by both genetic and environmental factors. At present, rodent models are primarily used to study the pathogenesis and treatment of RA. However, the genetic divergences between rodents and humans determine differences in the development of RA, which makes it necessary to explore the establishment of new models. Compared to rodents, non-human primates (NHPs) are much more closely related to humans in terms of the immune system, metabolic conditions, and genetic make-up. NHPs model provides a powerful tool to study the development of RA and potential complications, as well as preclinical studies in drug development. This review provides a brief overview of the RA animal models, emphasizes the replication methods, pros and cons, as well as evaluates the validity of the rodent and NHPs models.
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Affiliation(s)
- Ting Zhao
- School of Basic Medical Sciences, Yunnan University of Chinese Medicine, Kunming, China
| | - Zhaohu Xie
- School of Basic Medical Sciences, Yunnan University of Chinese Medicine, Kunming, China
| | - Yujiang Xi
- School of Basic Medical Sciences, Yunnan University of Chinese Medicine, Kunming, China
| | - Li Liu
- Ge Jiu People’s Hospital, Yunnan Honghe Prefecture Central Hospital, Gejiu, China
| | - Zhaofu Li
- School of Basic Medical Sciences, Yunnan University of Chinese Medicine, Kunming, China
| | - Dongdong Qin
- School of Basic Medical Sciences, Yunnan University of Chinese Medicine, Kunming, China
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Ryan AM, Murai T, Lau AR, Hogrefe CE, McAllister AK, Carter CS, Bauman MD. New approaches to quantify social development in rhesus macaques (Macaca mulatta): Integrating eye tracking with traditional assessments of social behavior. Dev Psychobiol 2020; 62:950-962. [PMID: 32666534 PMCID: PMC8754470 DOI: 10.1002/dev.22003] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2019] [Revised: 05/02/2020] [Accepted: 05/05/2020] [Indexed: 12/13/2022]
Abstract
The nonhuman primate provides a sophisticated animal model system both to explore neurobiological mechanisms underlying complex behaviors and to facilitate preclinical research for neurodevelopmental and neuropsychiatric disease. A better understanding of evolutionarily conserved behaviors and brain processes between humans and nonhuman primates will be needed to successfully apply recently released NIMH guidelines (NOT-MH-19-053) for conducting rigorous nonhuman primate neurobehavioral research. Here, we explore the relationship between two measures of social behavior that can be used in both humans and nonhuman primates-traditional observations of social interactions with conspecifics and eye gaze detection in response to social stimuli. Infant male rhesus macaques (Macaca mulatta) serving as controls (N = 14) for an ongoing study were observed in their social rearing groups and participated in a noninvasive, longitudinal eye-tracking study. We found significant positive relationships between time spent viewing eyes of faces in an eye tracker and number of initiations made for social interactions with peers that is consistent with similar observations in human populations. Although future studies are needed to determine if this relationship represents species-typical social developmental processes, these preliminary results provide a novel framework to explore the relationship between social interactions and social attention in nonhuman primate models for neurobehavioral development.
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Affiliation(s)
- Amy M. Ryan
- The UC Davis MIND Institute, University of California, Davis
- Department of Psychiatry and Behavioral Sciences, University of California, Davis
- California National Primate Research Center, Osaka, Japan
| | | | - Allison R. Lau
- Department of Psychiatry and Behavioral Sciences, University of California, Davis
- California National Primate Research Center, Osaka, Japan
- Animal Behavior Graduate Group, University of California, Davis
| | | | | | - Cameron S. Carter
- Department of Psychiatry and Behavioral Sciences, University of California, Davis
| | - Melissa D. Bauman
- The UC Davis MIND Institute, University of California, Davis
- Department of Psychiatry and Behavioral Sciences, University of California, Davis
- California National Primate Research Center, Osaka, Japan
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Chadman KK, Fernandes S, DiLiberto E, Feingold R. Do animal models hold value in Autism spectrum disorder (ASD) drug discovery? Expert Opin Drug Discov 2019; 14:727-734. [DOI: 10.1080/17460441.2019.1621285] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Kathryn K. Chadman
- Behavioral Pharmacology Laboratory, NYS Office for People With Developmental Disabilities, Institute for Basic Research in Developmental Disabilities, Staten Island, NY, USA
| | - Stephanie Fernandes
- Behavioral Pharmacology Laboratory, NYS Office for People With Developmental Disabilities, Institute for Basic Research in Developmental Disabilities, Staten Island, NY, USA
- Center for Developmental Neuroscience and Developmental Disabilities, City University of New York, College of Staten Island, Staten Island, NY, USA
| | - Elizabeth DiLiberto
- Behavioral Pharmacology Laboratory, NYS Office for People With Developmental Disabilities, Institute for Basic Research in Developmental Disabilities, Staten Island, NY, USA
- Department of Psychology, Macaulay Honors College at City University of New York, College of Staten Island, Staten Island, NY, USA
| | - Robert Feingold
- Behavioral Pharmacology Laboratory, NYS Office for People With Developmental Disabilities, Institute for Basic Research in Developmental Disabilities, Staten Island, NY, USA
- Center for Developmental Neuroscience and Developmental Disabilities, City University of New York, College of Staten Island, Staten Island, NY, USA
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