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Ye J, Duan C, Han J, Chen J, Sun N, Li Y, Yuan T, Peng D. Peripheral mitochondrial DNA as a neuroinflammatory biomarker for major depressive disorder. Neural Regen Res 2025; 20:1541-1554. [PMID: 38934398 DOI: 10.4103/nrr.nrr-d-23-01878] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2024] [Accepted: 05/20/2024] [Indexed: 06/28/2024] Open
Abstract
In the pathogenesis of major depressive disorder, chronic stress-related neuroinflammation hinders favorable prognosis and antidepressant response. Mitochondrial DNA may be an inflammatory trigger, after its release from stress-induced dysfunctional central nervous system mitochondria into peripheral circulation. This evidence supports the potential use of peripheral mitochondrial DNA as a neuroinflammatory biomarker for the diagnosis and treatment of major depressive disorder. Herein, we critically review the neuroinflammation theory in major depressive disorder, providing compelling evidence that mitochondrial DNA release acts as a critical biological substrate, and that it constitutes the neuroinflammatory disease pathway. After its release, mitochondrial DNA can be carried in the exosomes and transported to extracellular spaces in the central nervous system and peripheral circulation. Detectable exosomes render encaged mitochondrial DNA relatively stable. This mitochondrial DNA in peripheral circulation can thus be directly detected in clinical practice. These characteristics illustrate the potential for mitochondrial DNA to serve as an innovative clinical biomarker and molecular treatment target for major depressive disorder. This review also highlights the future potential value of clinical applications combining mitochondrial DNA with a panel of other biomarkers, to improve diagnostic precision in major depressive disorder.
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Affiliation(s)
- Jinmei Ye
- Division of Mood Disorder, Shanghai Mental Health Center, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Cong Duan
- Division of Mood Disorder, Shanghai Mental Health Center, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Jiaxin Han
- Department of Psychiatry, First Hospital of Shanxi Medical University, Taiyuan, Shanxi Province, China
| | - Jinrong Chen
- Department of Psychiatry, First Hospital of Shanxi Medical University, Taiyuan, Shanxi Province, China
| | - Ning Sun
- Department of Psychiatry, First Hospital of Shanxi Medical University, Taiyuan, Shanxi Province, China
| | - Yuan Li
- Shanghai Key Laboratory of Psychotic Disorders, Brain Health Institute, National Center for Mental Disorders, Shanghai Mental Health Center, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Tifei Yuan
- Shanghai Key Laboratory of Psychotic Disorders, Brain Health Institute, National Center for Mental Disorders, Shanghai Mental Health Center, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Co-Innovation Center of Neuroregeneration, Nantong University, Nantong, Jiangsu Province, China
| | - Daihui Peng
- Division of Mood Disorder, Shanghai Mental Health Center, Shanghai Jiao Tong University School of Medicine, Shanghai, China
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Liu Y, Fu X, Sun J, Cui R, Yang W. AdipoRon exerts an antidepressant effect by inhibiting NLRP3 inflammasome activation in microglia via promoting mitophagy. Int Immunopharmacol 2024; 141:113011. [PMID: 39213872 DOI: 10.1016/j.intimp.2024.113011] [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: 07/07/2024] [Revised: 08/14/2024] [Accepted: 08/21/2024] [Indexed: 09/04/2024]
Abstract
Depression is a serious mental disorder that threatens patients' physical and mental health worldwide. The activation of the NLR family pyrin domain-containing 3 (NLRP3) inflammasome is essential for microglia-mediated neuroinflammation and neuronal damage in depression. Numerous pathophysiological factors, such as mitochondrial dysfunction and impaired mitophagy, have an essential role in activating the NLRP3 inflammasome. AdipoRon is a potent adiponectin receptor agonist; however, its antidepressant effects have not been thoroughly investigated. In this study, we found that AdipoRon ameliorated depression-like behavior and neuronal damage induced by chronic unpredictable mild stress (CUMS). Further research demonstrated that AdipoRon inhibited the activation of the NLRP3 inflammasome and protected hippocampal neurons from microglial cytotoxicity by promoting mitophagy, increasing the clearance of damaged mitochondria, and reducing mtROS accumulation. Importantly, inhibition of mitophagy attenuated the antidepressant and neuroprotective effects of AdipoRon. Overall, these findings indicate that AdipoRon alleviates depression by inhibiting NLRP3 inflammasome activation in microglia via improving mitophagy.
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Affiliation(s)
- Yaqi Liu
- Department of Neurology, The Second Hospital of Jilin University, Changchun, Jilin Province, China; Jilin Provincial Key Laboratory on Molecular and Chemical Genetics, The Second Hospital of Jilin University, Changchun, Jilin Province, China
| | - Xiying Fu
- Jilin Provincial Key Laboratory on Molecular and Chemical Genetics, The Second Hospital of Jilin University, Changchun, Jilin Province, China; Department of Endocrinology, The Second Hospital of Jilin University, Changchun, Jilin Province, China
| | - Jiangjin Sun
- Department of Neurology, The Second Hospital of Jilin University, Changchun, Jilin Province, China; Jilin Provincial Key Laboratory on Molecular and Chemical Genetics, The Second Hospital of Jilin University, Changchun, Jilin Province, China
| | - Ranji Cui
- Jilin Provincial Key Laboratory on Molecular and Chemical Genetics, The Second Hospital of Jilin University, Changchun, Jilin Province, China.
| | - Wei Yang
- Department of Neurology, The Second Hospital of Jilin University, Changchun, Jilin Province, China; Jilin Provincial Key Laboratory on Molecular and Chemical Genetics, The Second Hospital of Jilin University, Changchun, Jilin Province, China.
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Yirmiya R. The inflammatory underpinning of depression: An historical perspective. Brain Behav Immun 2024; 122:433-443. [PMID: 39197544 DOI: 10.1016/j.bbi.2024.08.048] [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: 04/23/2024] [Revised: 07/28/2024] [Accepted: 08/24/2024] [Indexed: 09/01/2024] Open
Abstract
Over the last thirty years, substantial evidence has accumulated in support of the hypothesis that dysregulation of inflammatory processes plays a critical role in the pathophysiology of depression. This review traces the evolution of research supporting this link, discussing key findings from several major investigative fronts: Alterations in inflammatory markers associated with depression; Mood changes following the exogenous administration of inflammatory challenges; The anti-inflammatory properties of traditional antidepressants and the promising antidepressant effects of anti-inflammatory drugs. Additionally, it explores how inflammatory processes interact with specific brain regions and neurochemical systems to drive depressive pathology. A thorough analysis of the 100 most-cited experimental studies on the topic ensures a comprehensive, transparent and unbiased collection of references. This methodological approach offers a panoramic view of the inflammation-depression nexus, shedding light on the complexity of its mechanisms and their connections to psychiatric categorizations, symptoms, demographics, and life events. Synthesizing insights from this extensive research, the review presents an integrative model of the biological foundations of inflammation-associated depression. It posits that we have reached a critical juncture where the translation of this knowledge into personalized immunomodulatory treatments for depression is not just possible, but imperative.
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Affiliation(s)
- Raz Yirmiya
- Department of Psychology, The Hebrew University of Jerusalem, Jerusalem, Israel.
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Rafie Sedaghat F, Ghotaslou P, Ghotaslou R. Association between major depressive disorder and gut microbiota dysbiosis. Int J Psychiatry Med 2024; 59:702-710. [PMID: 39039860 DOI: 10.1177/00912174241266646] [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] [Indexed: 07/24/2024]
Abstract
OBJECTIVE Major depressive disorder (MDD) affects 300 million people globally. Because dysbiosis may alter the central nervous system, it plays a potential role in this disorder. Dysbiosis is characterized by a decrease in microbial diversity and an increase in proinflammatory species. The human gut microbiota refers to the trillions of microbes, such as bacteria, that live in the human gut. The purpose of this study was to compare the gut microbiota of patients with MDD with that of healthy controls. METHODS This case-control study involved 35 MDD cases and 35 healthy age- and sex-matched controls. Stool samples were collected and subjected to quantitative real-time PCR. Four intestinal bacterial phyla (firmicutes, bacteroidetes, actinobacteria, and proteobacteria) were investigated by 16SrRNA analysis. RESULTS The findings indicated a relative abundance of bacteroidetes to firmicutes in the control and case groups was 0.66 vs. 1.33, respectively (p < .05). There were no significant differences in actinobacteria or proteobacteria among those in the MDD group compared to the healthy control group. CONCLUSIONS Gut microbiota dysbiosis may contribute to the onset of depression, underscoring the importance of understanding the relationship between MDD and gut microbiota. Firmicutes, which produce short-chain fatty acids, are crucial for intestinal health. However, dysbiosis can disrupt the gut microbiota, impacting the central nervous system and contributing to the onset of depression.
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Affiliation(s)
| | - Pardis Ghotaslou
- Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Reza Ghotaslou
- Liver and Gastrointestinal Diseases Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
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Abdoli E, Rezaie E, Mirghafourvand M, Payahoo L, Naseri E, Ghanbari-Homaie S. A clinical trial of the effects of cocoa rich chocolate on depression and sleep quality in menopausal women. Sci Rep 2024; 14:23971. [PMID: 39397049 DOI: 10.1038/s41598-024-74804-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2024] [Accepted: 09/30/2024] [Indexed: 10/15/2024] Open
Abstract
In this triple-blind, randomized clinical trial, 60 menopausal women between the ages of 45 and 65 were randomized to receive 78% dark chocolate (12 g/day) or milk chocolate (12 g/day) for eight weeks. The primary outcome was depression scores. Secondary outcomes included sleep quality and anthropometric indices. ANCOVA with baseline adjustment showed that the mean depression score after the intervention in the group receiving dark chocolate was significantly reduced compared to the milk chocolate group (mean difference: -2.3; 95% confidence interval: -3.9 to -0.8; p = 0.003; Cohen's d = -0.54). However, no statistically significant difference in the overall sleep quality score and its subdomains was observed between the two groups after the intervention (p > 0.05). Furthermore, after the intervention, there was no statistically significant difference between the two groups in terms of anthropometric indices, including weight (p = 0.075), BMI (p = 0.137), waist circumference (p = 0.463), and hip circumference (p = 0.114). The study suggests that consuming 78% dark chocolate for eight weeks may contribute to improvements in depression scores, but it does not appear to improve sleep quality or anthropometric indices.Trial registration: IRCT20220926056046N1; December 2022.
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Affiliation(s)
- Elham Abdoli
- Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Elham Rezaie
- Department of Midwifery, Faculty of Nursing and Midwifery, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mojgan Mirghafourvand
- Social Determinants of Health Research Center, Tabriz University of Medical sciences, Tabriz, Iran
| | - Laleh Payahoo
- Nutrition Sciences, Maragheh University of Medical sciences, Maragheh, Iran
| | - Elaheh Naseri
- Department of Psychology, Faculty of Education and Psychology, University of Tabriz, Tabriz, Iran
| | - Solmaz Ghanbari-Homaie
- Department of Midwifery, Faculty of Nursing and Midwifery, Tabriz University of Medical Sciences, Tabriz, Iran.
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Wang D, Jiang X, Zhu H, Zhou Y, Jia L, Sun Q, Kong L, Tang Y. Relationships between the gut microbiome and brain functional alterations in first-episode, drug-naïve patients with major depressive disorder. J Affect Disord 2024; 362:578-584. [PMID: 38972643 DOI: 10.1016/j.jad.2024.07.013] [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: 01/11/2024] [Revised: 05/31/2024] [Accepted: 07/04/2024] [Indexed: 07/09/2024]
Abstract
OBJECTIVE Increasing evidence has shown that the microbiota-gut-brain axis (MGB) is involved in the mechanism of major depressive disorder (MDD). However, the relationship between the gut microbiome and brain function in MDD patients has not been determined. Here, we intend to identify specific changes in the gut microbiome and brain function in first-episode, drug-naïve MDD patients and then explore the associations between the two omics to elucidate how the MGB axis plays a role in MDD development. METHODS We recruited 38 first-episode, drug-naïve MDD patients and 37 healthy controls (HC). The composition of the fecal microbiome and neural spontaneous activity alterations were examined using 16S rRNA gene amplicon sequencing analysis and regional homogeneity (ReHo). Spearman correlation analyses were conducted to assess the associations between the gut microbiome and brain function. RESULTS Compared with HC, MDD patients exhibited distinct alterations in the gut microbiota and elevated ReHo in the frontal regions. In the MDD group, a positive relationship was noted between the relative abundance of Blautia and the HAMD-17 and HAMA scores, as well as between the relative abundance of Oxalobacteraceae and the HAMD-17 score. The relative abundances of Porphyromonadaceae and Parabacteroides were negatively correlated with the ReHo values of frontal regions. LIMITATIONS Our study utilized a cross-sectional design, and the number of subjects was relatively small. CONCLUSION We found that some specific gut microbiomes were associated with frontal function, and others were associated with clinical symptoms in MDD patients, which may support the role of the MGB axis underlying MDD.
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Affiliation(s)
- Dahai Wang
- Department of Psychiatry, Shengjing Hospital of China Medical University, Shenyang, Liaoning 110004, PR China
| | - Xiaowei Jiang
- Brain Function Research Section, Department of Radiology, The First Hospital of China Medical University, Shenyang, Liaoning 110001, PR China
| | - Huaqian Zhu
- Department of Clinical Nutrition, The First Hospital of China Medical University, Shenyang, Liaoning 110001, PR China
| | - Yifang Zhou
- Department of Psychiatry, Shengjing Hospital of China Medical University, Shenyang, Liaoning 110004, PR China
| | - Linna Jia
- Department of Psychiatry, Shengjing Hospital of China Medical University, Shenyang, Liaoning 110004, PR China
| | - Qikun Sun
- Department of Radiation Oncology, The First Hospital of China Medical University, Shenyang, Liaoning 110001, PR China
| | - Lingtao Kong
- Department of Psychiatry, Shengjing Hospital of China Medical University, Shenyang, Liaoning 110004, PR China; Department of Psychiatry, The First Hospital of China Medical University, Shenyang, Liaoning 110001, PR China
| | - Yanqing Tang
- Department of Psychiatry, Shengjing Hospital of China Medical University, Shenyang, Liaoning 110004, PR China.
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Cao Y, Zhang X, Zhang Q, Fan X, Zang T, Bai J, Wu Y, Zhou W, Liu Y. Prenatal Gut Microbiota Predicts Temperament in Offspring at 1-2 Years. Biol Res Nurs 2024; 26:569-583. [PMID: 38865156 DOI: 10.1177/10998004241260894] [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: 06/13/2024]
Abstract
The purpose of this study was to explore whether prenatal gut microbiota (GM) and its functions predict the development of offspring temperament. A total of 53 mothers with a 1-year-old child and 41 mothers with a 2-year-old child were included in this study using a mother-infant cohort from central China. Maternal fecal samples collected during the third trimester were analyzed using 16S rRNA V3-V4 gene sequences. Temperament of the child was measured by self-reported data according to the primary caregiver. The effects of GM in mothers on offspring's temperament were evaluated using multiple linear regression models. The results demonstrated that the alpha diversity index Simpson of prenatal GM was positively associated with the activity level of offspring at 1 year (adj. P = .036). Bifidobacterium was positively associated with high-intensity pleasure characteristics of offspring at 1 year (adj. P = .031). Comparatively, the presence of Bifidobacterium found in the prenatal microbiome was associated with low-intensity pleasure characteristics in offspring at 2 years (adj. P = .031). There were many significant associations noted among the functional pathways of prenatal GM and temperament of offspring at 2 years. Our findings support the maternal-fetal GM axis in the setting of fetal-placental development with subsequent postnatal neurocognitive developmental outcomes, and suggest that early childhood temperament is in part associated with specific GM in the prenatal setting.
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Affiliation(s)
- Yanan Cao
- Center for Women's and Children's Health, Wuhan University School of Nursing, Wuhan, China
| | - Xu Zhang
- Wuhan University School of Nursing, Wuhan, China
| | - Qianping Zhang
- Center for Women's and Children's Health, Wuhan University School of Nursing, Wuhan, China
| | - Xiaoxiao Fan
- Center for Women's and Children's Health, Wuhan University School of Nursing, Wuhan, China
| | - Tianzi Zang
- Center for Women's and Children's Health, Wuhan University School of Nursing, Wuhan, China
| | - Jinbing Bai
- Nell Hodgson Woodruff School of Nursing, Emory University, Atlanta, GA, USA
| | - Yuanyuan Wu
- Department of Nursing, Suizhou Hospital, Hubei University of Medicine, Suizhou, China
| | - Wenjie Zhou
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Yanqun Liu
- Center for Women's and Children's Health, Wuhan University School of Nursing, Wuhan, China
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Ribeiro de Novais Júnior L, Vicente da Silva T, da Silva LM, Metzker de Andrade F, da Silva AR, Meneguzzo V, de Souza Ramos S, Michielin Lopes C, Bernardo Saturnino A, Inserra A, de Bitencourt RM. Repeated Administration of a Full-Spectrum Cannabidiol Product, Not a Cannabidiol Isolate, Reverses the Lipopolysaccharide-Induced Depressive-Like Behavior and Hypolocomotion in a Rat Model of Low-Grade Subchronic Inflammation. Cannabis Cannabinoid Res 2024. [PMID: 39347620 DOI: 10.1089/can.2024.0086] [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: 10/01/2024] Open
Abstract
Background: Mounting evidence suggests that the phytocannabinoid cannabidiol (CBD) holds promise as an antidepressant agent in conditions underlined by inflammation. Full-spectrum CBD extracts might provide greater behavioral efficacy than CBD-only isolates and might require lower doses to achieve the same outcomes due to the presence of other cannabinoids, terpenes, and flavonoids. However, investigations in this area remain limited. Methods: We evaluated the behavioral response to the administration for 7 days of 15 and 30 mg/kg of a CBD isolate and a full-spectrum CBD product in a rat model of subchronic lipopolysaccharide (LPS, 0.5 mg/kg/day/7 days, intraperitoneal)-induced depressive-like and sickness behavior. The forced swim test was used to assess depressive-like behavior, the open field test (OFT) to assess locomotion, and the elevated plus maze to assess anxiety-like behavior. Results: The full-spectrum CBD extract at both doses, but not the CBD isolate, reversed the LPS-induced depressive-like behavior in the forced swim test. Moreover, the full-spectrum CBD extract at the higher dose but not the CBD isolate restored the subchronic LPS-induced hypolocomotion in the OFT. Repeated administration of both formulations elicited an anxiogenic-like trend in the elevated plus maze. Conclusion: Full-spectrum CBD products might have greater therapeutic efficacy in resolving inflammation-induced depressive and sickness behavior compared to a CBD-only isolate.
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Affiliation(s)
| | - Tiago Vicente da Silva
- Behavioral Neuroscience Laboratory, University of Southern Santa Catarina, Santa Catarina, Brazil
| | - Larissa Mendes da Silva
- Behavioral Neuroscience Laboratory, University of Southern Santa Catarina, Santa Catarina, Brazil
| | | | - Alisson Reuel da Silva
- Behavioral Neuroscience Laboratory, University of Southern Santa Catarina, Santa Catarina, Brazil
| | - Vicente Meneguzzo
- Behavioral Neuroscience Laboratory, University of Southern Santa Catarina, Santa Catarina, Brazil
| | - Suelen de Souza Ramos
- Behavioral Neuroscience Laboratory, University of Southern Santa Catarina, Santa Catarina, Brazil
| | - Cyntia Michielin Lopes
- Behavioral Neuroscience Laboratory, University of Southern Santa Catarina, Santa Catarina, Brazil
| | - Artur Bernardo Saturnino
- Behavioral Neuroscience Laboratory, University of Southern Santa Catarina, Santa Catarina, Brazil
| | - Antonio Inserra
- Behavioral Neuroscience Laboratory, University of Southern Santa Catarina, Santa Catarina, Brazil
- Department of Psychiatry, McGill University, Montreal, Canada
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Mafikandi V, Seyedaghamiri F, Hosseinzadeh N, Shahabi P, Shafiee-Kandjani AR, Babaie S, Maghsoumi-Norouzabad L, Farajdokht F, Hosseini L. Nasal administration of mitochondria relieves depressive- and anxiety-like behaviors in male mice exposed to restraint stress through the suppression ROS/NLRP3/caspase-1/IL-1β signaling pathway. NAUNYN-SCHMIEDEBERG'S ARCHIVES OF PHARMACOLOGY 2024:10.1007/s00210-024-03487-9. [PMID: 39333279 DOI: 10.1007/s00210-024-03487-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/08/2024] [Accepted: 09/23/2024] [Indexed: 09/29/2024]
Abstract
Neuroinflammation and oxidative stress are known to be implicated in the pathogenesis of depression. Exogenous mitochondrial transplantation has exhibited beneficial effects for treating neurological disorders. Hence, this research aimed to evaluate the impact of nasal administration of mitochondria on neuroinflammation and oxidative stress in mouse models displaying depressive- and anxiety-like behaviors caused by restraint stress (RS). Thirty male BALB/c mice were divided into control, RS, and RS + 340 µg of mitochondrial. Mice were subjected to RS using an immobilization falcon tube (2 h/day) for 2 weeks except for the control group. We conducted two behavioral tests to evaluate anxiety-like behaviors: elevated plus maze (EPM) and open field test (OFT). Tail suspension test (TST) was implemented to assess depressive-like behavior. ATP and reactive oxygen species (ROS) levels were measured in the hippocampus. Besides, serum corticosterone (CORT) levels were evaluated using the ELISA method. The expression of NLRP3 inflammasome, caspase-1 (Cas-1), and IL-1β was tested by western blot. We found that mitotherapy increased the time spent in the center of OFT and open arms of the EPM, while it diminished immobility time in TST. Mitochondrial administration considerably attenuated ROS generation and CORT levels and restored ATP levels. Additionally, mitotherapy prevented RS-induced upregulation of IL-1β, cleaved Cas1/Pro Cas1 ratio, and NLRP3/1 in the hippocampus of mice. These findings suggested that the beneficial effects of intranasal mitochondria on depression and anxiety may be attributed to suppression of the ROS/NLRP3/IL-1β/caspase-1 signaling pathway.
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Affiliation(s)
- Vida Mafikandi
- Research Center of Psychiatry and Behavioral Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Fatemehsadat Seyedaghamiri
- Research Center of Psychiatry and Behavioral Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Naeimeh Hosseinzadeh
- Research Center of Psychiatry and Behavioral Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Parviz Shahabi
- Department of Physiology, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Ali Reza Shafiee-Kandjani
- Research Center of Psychiatry and Behavioral Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Soraya Babaie
- Physical Medicine and Rehabilitation Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | | | - Fereshteh Farajdokht
- Neurosciences Research Center (NSRC), Tabriz University of Medical Sciences, Tabriz, Iran
| | - Leila Hosseini
- Research Center of Psychiatry and Behavioral Sciences, Tabriz University of Medical Sciences, Tabriz, Iran.
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Bano N, Khan S, Ahamad S, Kanshana JS, Dar NJ, Khan S, Nazir A, Bhat SA. Microglia and gut microbiota: A double-edged sword in Alzheimer's disease. Ageing Res Rev 2024; 101:102515. [PMID: 39321881 DOI: 10.1016/j.arr.2024.102515] [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: 04/23/2024] [Revised: 09/06/2024] [Accepted: 09/19/2024] [Indexed: 09/27/2024]
Abstract
The strong association between gut microbiota (GM) and brain functions such as mood, behaviour, and cognition has been well documented. Gut-brain axis is a unique bidirectional communication system between the gut and brain, in which gut microbes play essential role in maintaining various molecular and cellular processes. GM interacts with the brain through various pathways and processes including, metabolites, vagus nerve, HPA axis, endocrine system, and immune system to maintain brain homeostasis. GM dysbiosis, or an imbalance in GM, is associated with several neurological disorders, including anxiety, depression, and Alzheimer's disease (AD). Conversely, AD is sustained by microglia-mediated neuroinflammation and neurodegeneration. Further, GM and their products also affect microglia-mediated neuroinflammation and neurodegeneration. Despite the evidence connecting GM dysbiosis and AD progression, the involvement of GM in modulating microglia-mediated neuroinflammation in AD remains elusive. Importantly, deciphering the mechanism/s by which GM regulates microglia-dependent neuroinflammation may be helpful in devising potential therapeutic strategies to mitigate AD. Herein, we review the current evidence regarding the involvement of GM dysbiosis in microglia activation and neuroinflammation in AD. We also discuss the possible mechanisms through which GM influences the functioning of microglia and its implications for therapeutic intervention. Further, we explore the potential of microbiota-targeted interventions, such as prebiotics, probiotics, faecal microbiota transplantation, etc., as a novel therapeutic strategy to mitigate neuroinflammation and AD progression. By understanding and exploring the gut-brain axis, we aspire to revolutionize the treatment of neurodegenerative disorders, many of which share a common theme of microglia-mediated neuroinflammation and neurodegeneration.
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Affiliation(s)
- Nargis Bano
- Department of Zoology, Aligarh Muslim University, Aligarh 202002, India
| | - Sameera Khan
- Department of Zoology, Aligarh Muslim University, Aligarh 202002, India
| | - Shakir Ahamad
- Department of Chemistry, Aligarh Muslim University, Aligarh 202002, India.
| | - Jitendra Singh Kanshana
- Division of Endocrinology and Metabolism, Department of Medicine, University of Pittsburg, PA, USA.
| | - Nawab John Dar
- CNB, SALK Institute of Biological Sciences, La Jolla, CA 92037, USA.
| | - Sumbul Khan
- Department of Zoology, Aligarh Muslim University, Aligarh 202002, India
| | - Aamir Nazir
- Division of Neuroscience and Ageing Biology, CSIR-Central Drug Research Institute, Lucknow, UP, India; Academy of Scientific and Innovative Research, New Delhi, India.
| | - Shahnawaz Ali Bhat
- Department of Zoology, Aligarh Muslim University, Aligarh 202002, India.
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11
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Agusti A, Molina-Mendoza GV, Tamayo M, Rossini V, Cenit MC, Frances-Cuesta C, Tolosa-Enguis V, Gómez Del Pulgar EM, Flor-Duro A, Sanz Y. Christensenella minuta mitigates behavioral and cardiometabolic hallmarks of social defeat stress. Biomed Pharmacother 2024; 180:117377. [PMID: 39316970 DOI: 10.1016/j.biopha.2024.117377] [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: 05/10/2024] [Revised: 08/20/2024] [Accepted: 08/22/2024] [Indexed: 09/26/2024] Open
Abstract
Psychological stress during early development and adolescence may increase the risk of psychiatric and cardiometabolic comorbidities in adulthood. The gut microbiota has been associated with mental health problems such as depression and anxiety and with cardiometabolic disease, but the potential role of the gut microbiota in their comorbidity is not well understood. We investigated the effects and mode of action of the intestinal bacterium Christensenella minuta DSM 32891 on stress-induced mental health and cardiometabolic disturbances in a mouse model of social defeat stress. We demonstrate that administered C. minuta alleviates chronic stress-induced depressive, anxiogenic and antisocial behavior. These effects are attributed to the bacterium's ability to modulate the hypothalamic-pituitary-adrenal axis, which mediates the stress response. This included the oversecretion of corticosterone and the overexpression of its receptors, as well as the metabolism of dopamine (DA) and the expression of its receptors (D1, D2L and D2S). Additionally, C. minuta administration reduced chronically induced inflammation in plasma, spleen and some brain areas, which likely contribute to the recovery of physical and behavioral function. Furthermore, C. minuta administration prevented chronic stress-induced cardiovascular damage by regulating key enzymes mediating liver fibrosis and oxidative stress. Finally, C. minuta increased the abundance of bacteria associated with mental health. Overall, our study highlights the potential of microbiota-directed interventions to alleviate both the physical and mental effects of chronic stress.
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Affiliation(s)
- A Agusti
- Microbiome, Nutrition & Health Research Unit, Institute of Agrochemistry and Food Technology, Spanish National Research Council (IATA-CSIC), Valencia 46980, Spain.
| | - G V Molina-Mendoza
- Microbiome, Nutrition & Health Research Unit, Institute of Agrochemistry and Food Technology, Spanish National Research Council (IATA-CSIC), Valencia 46980, Spain
| | - M Tamayo
- Microbiome, Nutrition & Health Research Unit, Institute of Agrochemistry and Food Technology, Spanish National Research Council (IATA-CSIC), Valencia 46980, Spain; Department of Medicine, Autonomous University of Madrid, Madrid 28029, Spain
| | - V Rossini
- Microbiome, Nutrition & Health Research Unit, Institute of Agrochemistry and Food Technology, Spanish National Research Council (IATA-CSIC), Valencia 46980, Spain
| | - M C Cenit
- Microbiome, Nutrition & Health Research Unit, Institute of Agrochemistry and Food Technology, Spanish National Research Council (IATA-CSIC), Valencia 46980, Spain; Department of Medicine, Autonomous University of Madrid, Madrid 28029, Spain
| | - C Frances-Cuesta
- Microbiome, Nutrition & Health Research Unit, Institute of Agrochemistry and Food Technology, Spanish National Research Council (IATA-CSIC), Valencia 46980, Spain
| | - V Tolosa-Enguis
- Microbiome, Nutrition & Health Research Unit, Institute of Agrochemistry and Food Technology, Spanish National Research Council (IATA-CSIC), Valencia 46980, Spain
| | - E M Gómez Del Pulgar
- Microbiome, Nutrition & Health Research Unit, Institute of Agrochemistry and Food Technology, Spanish National Research Council (IATA-CSIC), Valencia 46980, Spain
| | - A Flor-Duro
- Microbiome, Nutrition & Health Research Unit, Institute of Agrochemistry and Food Technology, Spanish National Research Council (IATA-CSIC), Valencia 46980, Spain
| | - Y Sanz
- Microbiome, Nutrition & Health Research Unit, Institute of Agrochemistry and Food Technology, Spanish National Research Council (IATA-CSIC), Valencia 46980, Spain.
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Xie X, Li W, Xiong Z, Xu J, Liao T, Sun L, Xu H, Zhang M, Zhou J, Xiong W, Fu Z, Li Z, Han Q, Cui D, Anthony DC. Metformin reprograms tryptophan metabolism via gut microbiome-derived bile acid metabolites to ameliorate depression-Like behaviors in mice. Brain Behav Immun 2024; 123:442-455. [PMID: 39303815 DOI: 10.1016/j.bbi.2024.09.014] [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: 10/27/2023] [Revised: 09/08/2024] [Accepted: 09/13/2024] [Indexed: 09/22/2024] Open
Abstract
As an adjunct therapy, metformin enhances the efficacy of conventional antidepressant medications. However, its mode of action remains unclear. Here, metformin was found to ameliorate depression-like behaviors in mice exposed to chronic restraint stress (CRS) by normalizing the dysbiotic gut microbiome. Fecal transplants from metformin-treated mice ameliorated depressive behaviors in stressed mice. Microbiome profiling revealed that Akkermansia muciniphila (A. muciniphila), in particular, was markedly increased in the gut by metformin and that oral administration of this species alone was sufficient to reverse CRS-induced depressive behaviors and normalize aberrant stress-induced 5-hydroxytryptamine (5-HT) metabolism in the brain and gut. Untargeted metabolomic profiling further identified the bile acid metabolites taurocholate and deoxycholic acid as direct A. muciniphila-derived molecules that are, individually, sufficient to rescue the CRS-induced impaired 5-HT metabolism and depression-like behaviors. Thus, we report metformin reprograms 5-HT metabolism via microbiome-brain interactions to mitigate depressive syndromes, providing novel insights into gut microbiota-derived bile acids as potential therapeutic candidates for depressive mood disorders from bench to bedside.
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Affiliation(s)
- Xiaoxian Xie
- Shanghai Mental Health Center, Shanghai Jiao Tong University, School of Medicine, Shanghai 201109, PR China; Department of Pharmacology, University of Oxford, Mansfield Road, OX1 3QT Oxford, UK; College of Biotechnology and Bioengineering, Zhejiang University of Technology, Hangzhou 310032, PR China
| | - Wenwen Li
- Affiliated Mental Health Center and Hangzhou Seventh People's Hospital, School of Brain Science and Brain Medicine, Zhejiang University School of Medicine, Hangzhou 310058, PR China
| | - Ze Xiong
- College of Biotechnology and Bioengineering, Zhejiang University of Technology, Hangzhou 310032, PR China
| | - Junyu Xu
- NHC and CAMS Key Laboratory of Medical Neurobiology, Ministry of Education Frontier Science Center for Brain Research and Brain Machine Integration, School of Brain Science and Brain Medicine, Zhejiang University, Hangzhou, PR China
| | - Tailin Liao
- NHC and CAMS Key Laboratory of Medical Neurobiology, Ministry of Education Frontier Science Center for Brain Research and Brain Machine Integration, School of Brain Science and Brain Medicine, Zhejiang University, Hangzhou, PR China
| | - Lei Sun
- College of Biotechnology and Bioengineering, Zhejiang University of Technology, Hangzhou 310032, PR China
| | - Haoshen Xu
- College of Biotechnology and Bioengineering, Zhejiang University of Technology, Hangzhou 310032, PR China
| | - Mengya Zhang
- College of Biotechnology and Bioengineering, Zhejiang University of Technology, Hangzhou 310032, PR China
| | - Jiafeng Zhou
- College of Biotechnology and Bioengineering, Zhejiang University of Technology, Hangzhou 310032, PR China
| | - Wenzheng Xiong
- Department of Pharmacology, University of Oxford, Mansfield Road, OX1 3QT Oxford, UK
| | - Zhengwei Fu
- College of Biotechnology and Bioengineering, Zhejiang University of Technology, Hangzhou 310032, PR China
| | - Zezhi Li
- The Affiliated Brain Hospital, Guangzhou Medical University, Guangzhou 510370, PR China; Key Laboratory of Neurogenetics and Channelopathies of Guangdong Province and the Ministry of Education of China, Guangzhou Medical University, Guangzhou, PR China.
| | - Qi Han
- Center for Brain Science Shanghai Children s Medical Center, Department of Anatomy and Physiology, Shanghai Frontiers Science Center of Cellular Homeostasis and Human Disease, Shanghai Jiao Tong University School of Medicine, Shanghai 200127, PR China; Shanghai Center for Brain Science and Brain-inspired Technology, Shanghai 200031, PR China.
| | - Donghong Cui
- Shanghai Mental Health Center, Shanghai Jiao Tong University, School of Medicine, Shanghai 201109, PR China.
| | - Daniel C Anthony
- Department of Pharmacology, University of Oxford, Mansfield Road, OX1 3QT Oxford, UK
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Camarini R, Marianno P, Hanampa-Maquera M, Oliveira SDS, Câmara NOS. Prenatal Stress and Ethanol Exposure: Microbiota-Induced Immune Dysregulation and Psychiatric Risks. Int J Mol Sci 2024; 25:9776. [PMID: 39337263 PMCID: PMC11431796 DOI: 10.3390/ijms25189776] [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: 06/14/2024] [Revised: 08/22/2024] [Accepted: 08/25/2024] [Indexed: 09/30/2024] Open
Abstract
Changes in maternal gut microbiota due to stress and/or ethanol exposure can have lasting effects on offspring's health, particularly regarding immunity, inflammation response, and susceptibility to psychiatric disorders. The literature search for this review was conducted using PubMed and Scopus, employing keywords and phrases related to maternal stress, ethanol exposure, gut microbiota, microbiome, gut-brain axis, diet, dysbiosis, progesterone, placenta, prenatal development, immunity, inflammation, and depression to identify relevant studies in both preclinical and human research. Only a limited number of reviews were included to support the arguments. The search encompassed studies from the 1990s to the present. This review begins by exploring the role of microbiota in modulating host health and disease. It then examines how disturbances in maternal microbiota can affect the offspring's immune system. The analysis continues by investigating the interplay between stress and dysbiosis, focusing on how prenatal maternal stress influences both maternal and offspring microbiota and its implications for susceptibility to depression. The review also considers the impact of ethanol consumption on gut dysbiosis, with an emphasis on the effects of prenatal ethanol exposure on both maternal and offspring microbiota. Finally, it is suggested that maternal gut microbiota dysbiosis may be significantly exacerbated by the combined effects of stress and ethanol exposure, leading to immune system dysfunction and chronic inflammation, which could increase the risk of depression in the offspring. These interactions underscore the potential for novel mental health interventions that address the gut-brain axis, especially in relation to maternal and offspring health.
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Affiliation(s)
- Rosana Camarini
- Department of Pharmacology, Institute of Biomedical Sciences, Universidade de São Paulo, São Paulo 05508-900, Brazil
| | - Priscila Marianno
- Department of Pharmacology, Institute of Biomedical Sciences, Universidade de São Paulo, São Paulo 05508-900, Brazil
| | - Maylin Hanampa-Maquera
- Department of Pharmacology, Institute of Biomedical Sciences, Universidade de São Paulo, São Paulo 05508-900, Brazil
| | - Samuel Dos Santos Oliveira
- Department of Immunology, Institute of Biomedical Sciences, Universidade de São Paulo, São Paulo 05508-900, Brazil
| | - Niels Olsen Saraiva Câmara
- Department of Immunology, Institute of Biomedical Sciences, Universidade de São Paulo, São Paulo 05508-900, Brazil
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Hodge K, Buck DJ, Das S, Davis RL. The effects of chronic, continuous β-funaltrexamine pre-treatment on lipopolysaccharide-induced inflammation and behavioral deficits in C57BL/6J mice. J Inflamm (Lond) 2024; 21:33. [PMID: 39223594 PMCID: PMC11367784 DOI: 10.1186/s12950-024-00407-9] [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: 06/14/2024] [Accepted: 08/27/2024] [Indexed: 09/04/2024] Open
Abstract
BACKGROUND Inflammation and neuroinflammation are integral to the progression and severity of many diseases and are strongly associated with cardiovascular disease, cancer, autoimmune disorders, neurodegenerative disease, and neuropsychiatric disorders. These diseases can be difficult to treat without addressing the underlying inflammation, and, as such, a growing need has arisen for pharmaceutical treatments that target inflammatory mediators and signaling pathways. Our lab has investigated the therapeutic potential of the irreversible µ-opioid antagonist β-funaltrexamine (β-FNA) and discovered that acute treatment ameliorates inflammation in astrocytes in vitro and inhibits central and peripheral inflammation and reduces anxiety- and sickness-like behavior in male C57BL/6J mice. Now, our investigation has expanded to investigate the chronic pre-treatment effects of β-FNA on lipopolysaccharide (LPS)-induced inflammation and behavior in male C57BL/6J mice. RESULTS Micro-osmotic drug pumps were surgically inserted into the subcutaneous intrascapular space of male C57BL/6J mice. β-FNA or saline vehicle was continuously administered for seven days. On the sixth day, mice were given intraperitoneal injections of LPS or saline. An elevated plus maze test, followed by a forced swim test, were administered 24 h post-injection to measure sickness-, anxiety- and depressive-like behavior. Immediately after testing, frontal cortex, hippocampus, spleen, and plasma were collected. Levels of inflammatory chemokines C-C motif chemokine ligand 2 (CCL2) and C-X-C motif chemokine ligand 10 (CXCL10) were measured in tissues by enzyme-linked immunosorbent assay (ELISA). Quantitative reverse transcription polymerase chain reaction (RT-qPCR) was used to assess expression of the enzyme indoleamine 2, 3-dioxygenase 1 (IDO1) and the NLR family pyrin domain-containing protein 3 (NRLP3) inflammasome in frontal cortex and spleen tissues. Chronic pre-treatment robustly decreased inflammation in the hippocampus, frontal cortex, and spleen and reduced or abolished anxiety- and sickness-like behavior (e.g., increased time spent motionless, increased time spent in a contracted position, and reduced distance moved). However, treatment with β-FNA alone increased both inflammation in the frontal cortex and anxiety-like behavior. CONCLUSION These findings provide novel insights into the anti-inflammatory and behavior-modifying effects of chronic β-FNA pre-treatment and continue to support the therapeutic potential of β-FNA under inflammatory conditions.
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Affiliation(s)
- Karissa Hodge
- Oklahoma State University Center for Health Sciences, 1111 West 17th Street, Tulsa, OK, 74107, USA
| | - Daniel J Buck
- Oklahoma State University Center for Health Sciences, 1111 West 17th Street, Tulsa, OK, 74107, USA
| | - Subhas Das
- Oklahoma State University Center for Health Sciences, 1111 West 17th Street, Tulsa, OK, 74107, USA
| | - Randall L Davis
- Oklahoma State University Center for Health Sciences, 1111 West 17th Street, Tulsa, OK, 74107, USA.
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15
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Yu P, Li Y, Fu W, Yu X, Sui D, Xu H, Sun W. Microglia Caspase11 non-canonical inflammasome drives fever. Acta Physiol (Oxf) 2024; 240:e14187. [PMID: 38864370 DOI: 10.1111/apha.14187] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2023] [Revised: 05/07/2024] [Accepted: 05/28/2024] [Indexed: 06/13/2024]
Abstract
AIM Animals exhibit physiological changes designed to eliminate the perceived danger, provoking similar symptoms of fever. However, a high-grade fever indicates poor clinical outcomes. Caspase11 (Casp11) is involved in many inflammatory diseases. Whether Casp11 leads to fever remains unclear. In this study, we investigate the role of the preoptic area of the hypothalamus (PO/AH) microglia Casp11 in fever. METHODS We perform experiments using a rat model of LPS-induced fever. We measure body temperature and explore the functions of peripheral macrophages and PO/AH microglia in fever signaling by ELISA, immunohistochemistry, immunofluorescence, flow cytometry, macrophage depletion, protein blotting, and RNA-seq. Then, the effects of macrophages on microglia in a hyperthermic environment are observed in vitro. Finally, adeno-associated viruses are used to knockdown or overexpress microglia Casp11 in PO/AH to determine the role of Casp11 in fever. RESULTS We find peripheral macrophages and PO/AH microglia play important roles in the process of fever, which is proved by macrophage and microglia depletion. By RNA-seq analysis, we find Casp11 expression in PO/AH is significantly increased during fever. Co-culture and conditioned-culture simulate the induction of microglia Casp11 activation by macrophages in a non-contact manner. Microglia Casp11 knockdown decreases body temperature, pyrogenic factors, and inflammasome, and vice versa. CONCLUSION We report that Casp11 drives fever. Mechanistically, peripheral macrophages transmit immune signals via cytokines to microglia in PO/AH, which activate the Casp11 non-canonical inflammasome. Our findings identify a novel player, the microglia Casp11, in the control of fever, providing an explanation for the transmission and amplification of fever immune signaling.
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Affiliation(s)
- Ping Yu
- Department of Pharmacology, School of Pharmaceutical Sciences, Jilin University, Changchun, China
| | - Yuangeng Li
- Department of Pharmacology, School of Pharmaceutical Sciences, Jilin University, Changchun, China
- Cancer Center, The First Hospital, Jilin University, Changchun, China
| | - Wenwen Fu
- Department of Pharmacology, School of Pharmaceutical Sciences, Jilin University, Changchun, China
| | - Xiaofeng Yu
- Department of Pharmacology, School of Pharmaceutical Sciences, Jilin University, Changchun, China
| | - Dayun Sui
- Department of Pharmacology, School of Pharmaceutical Sciences, Jilin University, Changchun, China
| | - Huali Xu
- Department of Pharmacology, School of Pharmaceutical Sciences, Jilin University, Changchun, China
| | - Weilun Sun
- Department of Pharmacology, School of Pharmaceutical Sciences, Jilin University, Changchun, China
- Key Laboratory of Organ Regeneration and Transplantation of Ministry of Education, Institute of Immunology, The First Hospital, Jilin University, Changchun, China
- National-Local Joint Engineering Laboratory of Animal Models for Human Diseases, The First Hospital, Jilin University, Changchun, China
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16
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Campanale A, Inserra A, Comai S. Therapeutic modulation of the kynurenine pathway in severe mental illness and comorbidities: A potential role for serotonergic psychedelics. Prog Neuropsychopharmacol Biol Psychiatry 2024; 134:111058. [PMID: 38885875 DOI: 10.1016/j.pnpbp.2024.111058] [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: 01/31/2024] [Revised: 05/15/2024] [Accepted: 06/14/2024] [Indexed: 06/20/2024]
Abstract
Mounting evidence points towards a crucial role of the kynurenine pathway (KP) in the altered gut-brain axis (GBA) balance in severe mental illness (SMI, namely depression, bipolar disorder, and schizophrenia) and cardiometabolic comorbidities. Preliminary evidence shows that serotonergic psychedelics and their analogues may hold therapeutic potential in addressing the altered KP in the dysregulated GBA in SMI and comorbidities. In fact, aside from their effects on mood, psychedelics elicit therapeutic improvement in preclinical models of obesity, metabolic syndrome, and vascular inflammation, which are highly comorbid with SMI. Here, we review the literature on the therapeutic modulation of the KP in the dysregulated GBA in SMI and comorbidities, and the potential application of psychedelics to address the altered KP in the brain and systemic dysfunction underlying SMI and comorbidities. Psychedelics might therapeutically modulate the KP in the altered GBA in SMI and comorbidities either directly, via altering the metabolic pathway by influencing the rate-limiting enzymes of the KP and affecting the levels of available tryptophan, or indirectly, by affecting the gut microbiome, gut metabolome, metabolism, and the immune system. Despite promising preliminary evidence, the mechanisms and outcomes of the KP modulation with psychedelics in SMI and systemic comorbidities remain largely unknown and require further investigation. Several concerns are discussed surrounding the potential side effects of this approach in specific cohorts of individuals with SMI and systemic comorbidities.
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Affiliation(s)
| | - Antonio Inserra
- Department of Psychiatry, McGill University, Montreal, QC, Canada
| | - Stefano Comai
- Department of Psychiatry, McGill University, Montreal, QC, Canada; Department of Pharmaceutical and Pharmacological Sciences, University of Padova, PD, Italy.; IRCCS San Raffaele Scientific Institute, Milan, Italy; Department of Biomedical Sciences, University of Padua, Padua, Italy.
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17
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Verma A, Inslicht SS, Bhargava A. Gut-Brain Axis: Role of Microbiome, Metabolomics, Hormones, and Stress in Mental Health Disorders. Cells 2024; 13:1436. [PMID: 39273008 PMCID: PMC11394554 DOI: 10.3390/cells13171436] [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: 07/23/2024] [Revised: 08/19/2024] [Accepted: 08/23/2024] [Indexed: 09/15/2024] Open
Abstract
The influence of gut microbiome, metabolites, omics, hormones, and stress on general and mental health is increasingly being recognized. Ancient cultures recognized the importance of diet and gut health on the overall health of an individual. Western science and modern scientific methods are beginning to unravel the foundations and mechanisms behind some of the ancient beliefs and customs. The gut microbiome, an organ itself, is now thought to influence almost all other organs, ranging from the brain to the reproductive systems. Gut microbiome, metabolites, hormones, and biological sex also influence a myriad of health conditions that range from mental health disorders, obesity, gastrointestinal disorders, and cardiovascular diseases to reproductive health. Here, we review the history and current understanding of the gut-brain axis bidirectional talk in various mental health disorders with special emphasis on anxiety and depressive disorders, whose prevalence has increased by over 50% in the past three decades with COVID-19 pandemic being the biggest risk factor in the last few years. The vagal nerve is an important contributor to this bidirectional talk, but other pathways also contribute, and most remain understudied. Probiotics containing Lactobacillus and Bifidobacterium species seem to have the most impact on improvement in mental health symptoms, but the challenge appears to be maintaining sustained levels, especially since neither Lactobacillus nor Bifidobacterium can permanently colonize the gut. Ancient endogenous retroviral DNA in the human genome is also linked to several psychiatric disorders, including depression. These discoveries reveal the complex and intricately intertwined nature of gut health with mental health disorders.
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Affiliation(s)
- Ankita Verma
- Department of Obstetrics, Gynecology & Reproductive Sciences, University of California at San Francisco, 513 Parnassus Avenue, San Francisco, CA 94143, USA
| | - Sabra S Inslicht
- San Francisco VA Health Care System, San Francisco, CA 94121, USA
- Department of Psychiatry and Behavioral Sciences, University of California at San Francisco, San Francisco, CA 94143, USA
| | - Aditi Bhargava
- Department of Obstetrics, Gynecology & Reproductive Sciences, University of California at San Francisco, 513 Parnassus Avenue, San Francisco, CA 94143, USA
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18
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Chen G, Jin Y, Chu C, Zheng Y, Chen Y, Zhu X. Genetic prediction of blood metabolites mediating the relationship between gut microbiota and Alzheimer's disease: a Mendelian randomization study. Front Microbiol 2024; 15:1414977. [PMID: 39224217 PMCID: PMC11366617 DOI: 10.3389/fmicb.2024.1414977] [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: 04/10/2024] [Accepted: 07/22/2024] [Indexed: 09/04/2024] Open
Abstract
Background Observational studies have suggested an association between gut microbiota and Alzheimer's disease (AD); however, the causal relationship remains unclear, and the role of blood metabolites in this association remains elusive. Purpose To elucidate the causal relationship between gut microbiota and AD and to investigate whether blood metabolites serve as potential mediators. Materials and methods Univariable Mendelian randomization (UVMR) analysis was employed to assess the causal relationship between gut microbiota and AD, while multivariable MR (MVMR) was utilized to mitigate confounding factors. Subsequently, a two-step mediation MR approach was employed to explore the role of blood metabolites as potential mediators. We primarily utilized the inverse variance-weighted method to evaluate the causal relationship between exposure and outcome, and sensitivity analyses including Contamination mixture, Maximum-likelihood, Debiased inverse-variance weighted, MR-Egger, Bayesian Weighted Mendelian randomization, and MR pleiotropy residual sum and outlier were conducted to address pleiotropy. Results After adjustment for reverse causality and MVMR correction, class Actinobacteria (OR: 1.03, 95% CI: 1.01-1.06, p = 0.006), family Lactobacillaceae (OR: 1.03, 95% CI: 1.00-1.05, p = 0.017), genus Lachnoclostridium (OR: 1.03, 95% CI: 1.00-1.06, p = 0.019), genus Ruminiclostridium9 (OR: 0.97, 95% CI: 0.94-1.00, p = 0.027) and genus Ruminiclostridium6 (OR: 1.03, 95% CI: 1.01-1.05, p = 0.009) exhibited causal effects on AD. Moreover, 1-ribosyl-imidazoleacetate levels (-6.62%), Metabolonic lactone sulfate levels (2.90%), and Nonadecanoate (19:0) levels (-12.17%) mediated the total genetic predictive effects of class Actinobacteria on AD risk. Similarly, 2-stearoyl-GPE (18:0) levels (-9.87%), Octadecanedioylcarnitine (C18-DC) levels (4.44%), 1-(1-enyl-stearoyl)-2-oleoyl-GPE (p-18:0/18:1) levels (38.66%), and X-23639 levels (13.28%) respectively mediated the total genetic predictive effects of family Lactobacillaceae on AD risk. Furthermore, Hexadecanedioate (C16-DC) levels (5.45%) mediated the total genetic predictive effects of genus Ruminiclostridium 6 on AD risk; Indole-3-carboxylate levels (13.91%), X-13431 levels (7.08%), Alpha-ketoglutarate to succinate ratio (-13.91%), 3-phosphoglycerate to glycerate ratio (15.27%), and Succinate to proline ratio (-14.64%) respectively mediated the total genetic predictive effects of genus Ruminiclostridium 9 on AD risk. Conclusion Our mediation MR analysis provides genetic evidence suggesting the potential mediating role of blood metabolites in the causal relationship between gut microbiota and AD. Further large-scale randomized controlled trials are warranted to validate the role of blood metabolites in the specific mechanisms by which gut microbiota influence AD.
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Affiliation(s)
- Guanglei Chen
- Guizhou University of Traditional Chinese Medicine, Guiyang, Guizhou, China
| | - Yaxian Jin
- The First Affiliated Hospital of Guizhou University of Traditional Chinese Medicine, Guiyang, Guizhou, China
| | - Cancan Chu
- Guizhou University of Traditional Chinese Medicine, Guiyang, Guizhou, China
| | - Yuhao Zheng
- Guizhou University of Traditional Chinese Medicine, Guiyang, Guizhou, China
| | - Yunzhi Chen
- Guizhou University of Traditional Chinese Medicine, Guiyang, Guizhou, China
| | - Xing Zhu
- Guizhou University of Traditional Chinese Medicine, Guiyang, Guizhou, China
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19
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Colombo F, Calesella F, Bravi B, Fortaner-Uyà L, Monopoli C, Tassi E, Carminati M, Zanardi R, Bollettini I, Poletti S, Lorenzi C, Spadini S, Brambilla P, Serretti A, Maggioni E, Fabbri C, Benedetti F, Vai B. Multimodal brain-derived subtypes of Major depressive disorder differentiate patients for anergic symptoms, immune-inflammatory markers, history of childhood trauma and treatment-resistance. Eur Neuropsychopharmacol 2024; 85:45-57. [PMID: 38936143 DOI: 10.1016/j.euroneuro.2024.05.015] [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: 11/21/2023] [Revised: 05/20/2024] [Accepted: 05/27/2024] [Indexed: 06/29/2024]
Abstract
An estimated 30 % of Major Depressive Disorder (MDD) patients exhibit resistance to conventional antidepressant treatments. Identifying reliable biomarkers of treatment-resistant depression (TRD) represents a major goal of precision psychiatry, which is hampered by the clinical and biological heterogeneity. To uncover biologically-driven subtypes of MDD, we applied an unsupervised data-driven framework to stratify 102 MDD patients on their neuroimaging signature, including extracted measures of cortical thickness, grey matter volumes, and white matter fractional anisotropy. Our novel analytical pipeline integrated different machine learning algorithms to harmonize data, perform data dimensionality reduction, and provide a stability-based relative clustering validation. The obtained clusters were characterized for immune-inflammatory peripheral biomarkers, TRD, history of childhood trauma and depressive symptoms. Our results indicated two different clusters of patients, differentiable with 67 % of accuracy: one cluster (n = 59) was associated with a higher proportion of TRD, and higher scores of energy-related depressive symptoms, history of childhood abuse and emotional neglect; this cluster showed a widespread reduction in cortical thickness (d = 0.43-1.80) and volumes (d = 0.45-1.05), along with fractional anisotropy in the fronto-occipital fasciculus, stria terminalis, and corpus callosum (d = 0.46-0.52); the second cluster (n = 43) was associated with cognitive and affective depressive symptoms, thicker cortices and wider volumes. Multivariate analyses revealed distinct brain-inflammation relationships between the two clusters, with increase in pro-inflammatory markers being associated with decreased cortical thickness and volumes. Our stratification of MDD patients based on structural neuroimaging identified clinically-relevant subgroups of MDD with specific symptomatic and immune-inflammatory profiles, which can contribute to the development of tailored personalized interventions for MDD.
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Affiliation(s)
- Federica Colombo
- University Vita-Salute San Raffaele, Milano, Italy; Psychiatry and Clinical Psychobiology Unit, Division of Neuroscience, IRCCS San Raffaele Hospital, Milano, Italy.
| | - Federico Calesella
- Psychiatry and Clinical Psychobiology Unit, Division of Neuroscience, IRCCS San Raffaele Hospital, Milano, Italy
| | - Beatrice Bravi
- University Vita-Salute San Raffaele, Milano, Italy; Psychiatry and Clinical Psychobiology Unit, Division of Neuroscience, IRCCS San Raffaele Hospital, Milano, Italy
| | - Lidia Fortaner-Uyà
- University Vita-Salute San Raffaele, Milano, Italy; Psychiatry and Clinical Psychobiology Unit, Division of Neuroscience, IRCCS San Raffaele Hospital, Milano, Italy
| | - Camilla Monopoli
- Psychiatry and Clinical Psychobiology Unit, Division of Neuroscience, IRCCS San Raffaele Hospital, Milano, Italy
| | - Emma Tassi
- Department of Neurosciences and Mental Health, IRCCS Fondazione Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy; Politecnico di Milano, Department of Electronics, Information and Bioengineering, Milan, Italy
| | | | - Raffaella Zanardi
- University Vita-Salute San Raffaele, Milano, Italy; Mood Disorders Unit, Scientific Institute IRCCS San Raffaele Hospital, Milan, Italy
| | - Irene Bollettini
- Psychiatry and Clinical Psychobiology Unit, Division of Neuroscience, IRCCS San Raffaele Hospital, Milano, Italy
| | - Sara Poletti
- University Vita-Salute San Raffaele, Milano, Italy; Psychiatry and Clinical Psychobiology Unit, Division of Neuroscience, IRCCS San Raffaele Hospital, Milano, Italy
| | - Cristina Lorenzi
- Psychiatry and Clinical Psychobiology Unit, Division of Neuroscience, IRCCS San Raffaele Hospital, Milano, Italy
| | - Sara Spadini
- Psychiatry and Clinical Psychobiology Unit, Division of Neuroscience, IRCCS San Raffaele Hospital, Milano, Italy
| | - Paolo Brambilla
- Department of Neurosciences and Mental Health, IRCCS Fondazione Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy
| | | | - Eleonora Maggioni
- Politecnico di Milano, Department of Electronics, Information and Bioengineering, Milan, Italy
| | - Chiara Fabbri
- Department of Biomedical and Neuromotor Sciences, University of Bologna, Bologna, Italy
| | - Francesco Benedetti
- University Vita-Salute San Raffaele, Milano, Italy; Psychiatry and Clinical Psychobiology Unit, Division of Neuroscience, IRCCS San Raffaele Hospital, Milano, Italy
| | - Benedetta Vai
- University Vita-Salute San Raffaele, Milano, Italy; Psychiatry and Clinical Psychobiology Unit, Division of Neuroscience, IRCCS San Raffaele Hospital, Milano, Italy
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Taghizadeh Ghassab F, Shamlou Mahmoudi F, Taheri Tinjani R, Emami Meibodi A, Zali MR, Yadegar A. Probiotics and the microbiota-gut-brain axis in neurodegeneration: Beneficial effects and mechanistic insights. Life Sci 2024; 350:122748. [PMID: 38843992 DOI: 10.1016/j.lfs.2024.122748] [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: 12/05/2023] [Revised: 03/21/2024] [Accepted: 05/23/2024] [Indexed: 06/10/2024]
Abstract
Neurodegenerative diseases (NDs) are a group of heterogeneous disorders with a high socioeconomic burden. Although pharmacotherapy is currently the principal therapeutic approach for the management of NDs, mounting evidence supports the notion that the protracted application of available drugs would abate their dopaminergic outcomes in the long run. The therapeutic application of microbiome-based modalities has received escalating attention in biomedical works. In-depth investigations of the bidirectional communication between the microbiome in the gut and the brain offer a multitude of targets for the treatment of NDs or maximizing the patient's quality of life. Probiotic administration is a well-known microbial-oriented approach to modulate the gut microbiota and potentially influence the process of neurodegeneration. Of note, there is a strong need for further investigation to map out the mechanistic prospects for the gut-brain axis and the clinical efficacy of probiotics. In this review, we discuss the importance of microbiome modulation and hemostasis via probiotics, prebiotics, postbiotics and synbiotics in ameliorating pathological neurodegenerative events. Also, we meticulously describe the underlying mechanism of action of probiotics and their metabolites on the gut-brain axis in different NDs. We suppose that the present work will provide a functional direction for the use of probiotic-based modalities in promoting current practical treatments for the management of neurodegenerative-related diseases.
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Affiliation(s)
- Fatemeh Taghizadeh Ghassab
- Foodborne and Waterborne Diseases Research Center, Research Institute for Gastroenterology and Liver Diseases, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Fatemeh Shamlou Mahmoudi
- Foodborne and Waterborne Diseases Research Center, Research Institute for Gastroenterology and Liver Diseases, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Reyhaneh Taheri Tinjani
- Foodborne and Waterborne Diseases Research Center, Research Institute for Gastroenterology and Liver Diseases, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Armitasadat Emami Meibodi
- Foodborne and Waterborne Diseases Research Center, Research Institute for Gastroenterology and Liver Diseases, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mohammad Reza Zali
- Gastroenterology and Liver Diseases Research Center, Research Institute for Gastroenterology and Liver Diseases, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Abbas Yadegar
- Foodborne and Waterborne Diseases Research Center, Research Institute for Gastroenterology and Liver Diseases, Shahid Beheshti University of Medical Sciences, Tehran, Iran; Basic and Molecular Epidemiology of Gastrointestinal Disorders Research Center, Research Institute for Gastroenterology and Liver Diseases, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
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21
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Xie Y, Zhu H, Yuan Y, Guan X, Xie Q, Dong Z. Baseline gut microbiota profiles affect treatment response in patients with depression. Front Microbiol 2024; 15:1429116. [PMID: 39021622 PMCID: PMC11251908 DOI: 10.3389/fmicb.2024.1429116] [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: 05/07/2024] [Accepted: 06/20/2024] [Indexed: 07/20/2024] Open
Abstract
The role of the gut microbiota in the pathophysiology of depression has been explored in numerous studies, which have confirmed that the baseline gut microbial profiles of patients with depression differ from those of healthy individuals. The gut microbiome affects metabolic activity in the immune and central nervous systems and regulates intestinal ecology through the neuroendocrine system. Additionally, baseline changes in the gut microbiota differed among patients with depression who demonstrated varying treatment response. Currently, probiotics are an emerging treatment for depression; however, the efficacy of modulating the gut microbiota in the treatment of depression remains uncertain. Additionally, the mechanisms by which changes in the gut microbiota affect treatment response in patients with depression remain unclear. In this review, we aimed to summarize the differences in the baseline gut microbiota between the remission and non-remission groups after antidepressant therapy. Additionally, we summarized the possible mechanisms that may contribute to antidepressant resistance through the effects of the gut microbiome on the immune and nervous systems, various enzymes, bioaccumulation, and blood-brain barrier, and provide a basis for treating depression by targeting the gut microbiota.
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Affiliation(s)
- Yingjing Xie
- West China Hospital, Sichuan University, Chengdu, China
| | - Hanwen Zhu
- West China Hospital, Sichuan University, Chengdu, China
| | - Yanling Yuan
- Department of Pharmacy, West China Hospital, Sichuan University, Chengdu, China
| | - Xuan Guan
- Chengdu Medical College, Chengdu, China
| | - Qinglian Xie
- Department of Outpatient, West China Hospital, Sichuan University, Chengdu, China
| | - Zaiquan Dong
- Department of Psychiatry and National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, China
- Mental Health Center, West China Hospital, Sichuan University, Chengdu, China
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22
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Toxqui-Rodríguez S, Holhorea PG, Naya-Català F, Calduch-Giner JÀ, Sitjà-Bobadilla A, Piazzon C, Pérez-Sánchez J. Differential Reshaping of Skin and Intestinal Microbiota by Stocking Density and Oxygen Availability in Farmed Gilthead Sea Bream ( Sparus aurata): A Behavioral and Network-Based Integrative Approach. Microorganisms 2024; 12:1360. [PMID: 39065128 PMCID: PMC11278760 DOI: 10.3390/microorganisms12071360] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2024] [Revised: 06/21/2024] [Accepted: 06/28/2024] [Indexed: 07/28/2024] Open
Abstract
Fish were kept for six weeks at three different initial stocking densities and water O2 concentrations (low-LD, 8.5 kg/m3 and 95-70% O2 saturation; medium-MD, 17 kg/m3 and 55-75% O2 saturation; high-HD, 25 kg/m3 and 60-45% O2 saturation), with water temperature increasing from 19 °C to 26-27 °C. The improvement in growth performance with the decrease in stocking density was related to changes in skin and intestinal mucosal microbiomes. Changes in microbiome composition were higher in skin, with an increased abundance of Alteromonas and Massilia in HD fish. However, these bacteria genera were mutually exclusive, and Alteromonas abundance was related to a reactive behavior and systemic growth regulation via the liver Gh/Igf system, while Massilia was correlated to a proactive behavior and a growth regulatory transition towards muscle rather than liver. At the intestinal level, microbial abundance showed an opposite trend for two bacteria taxa, rendering in a low abundance of Reyranella and a high abundance of Prauserella in HD fish. This trend was correlated with up-regulated host gene expression, affecting the immune response, epithelial cell turnover, and abiotic stress response. Most of the observed responses are adaptive in nature, and they would serve to infer new welfare indicators for increased stress resilience.
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Affiliation(s)
- Socorro Toxqui-Rodríguez
- Nutrigenomics and Fish Growth Endocrinology Group, Institute of Aquaculture Torre de la Sal (IATS, CSIC), 12595 Castellón, Spain; (S.T.-R.); (P.G.H.); (F.N.-C.); (J.À.C.-G.)
- Fish Pathology Group, Institute of Aquaculture Torre de la Sal (IATS, CSIC), 12595 Castellón, Spain; (A.S.-B.); (C.P.)
| | - Paul George Holhorea
- Nutrigenomics and Fish Growth Endocrinology Group, Institute of Aquaculture Torre de la Sal (IATS, CSIC), 12595 Castellón, Spain; (S.T.-R.); (P.G.H.); (F.N.-C.); (J.À.C.-G.)
| | - Fernando Naya-Català
- Nutrigenomics and Fish Growth Endocrinology Group, Institute of Aquaculture Torre de la Sal (IATS, CSIC), 12595 Castellón, Spain; (S.T.-R.); (P.G.H.); (F.N.-C.); (J.À.C.-G.)
| | - Josep Àlvar Calduch-Giner
- Nutrigenomics and Fish Growth Endocrinology Group, Institute of Aquaculture Torre de la Sal (IATS, CSIC), 12595 Castellón, Spain; (S.T.-R.); (P.G.H.); (F.N.-C.); (J.À.C.-G.)
| | - Ariadna Sitjà-Bobadilla
- Fish Pathology Group, Institute of Aquaculture Torre de la Sal (IATS, CSIC), 12595 Castellón, Spain; (A.S.-B.); (C.P.)
| | - Carla Piazzon
- Fish Pathology Group, Institute of Aquaculture Torre de la Sal (IATS, CSIC), 12595 Castellón, Spain; (A.S.-B.); (C.P.)
| | - Jaume Pérez-Sánchez
- Nutrigenomics and Fish Growth Endocrinology Group, Institute of Aquaculture Torre de la Sal (IATS, CSIC), 12595 Castellón, Spain; (S.T.-R.); (P.G.H.); (F.N.-C.); (J.À.C.-G.)
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23
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Li S, Qian Q, Xie Y, Wu Z, Yang H, Yin Y, Cui Y, Li X. Ameliorated Effects of Fucoidan on Dextran Sulfate Sodium-Induced Ulcerative Colitis and Accompanying Anxiety and Depressive Behaviors in Aged C57BL/6 Mice. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2024; 72:14199-14215. [PMID: 38871671 DOI: 10.1021/acs.jafc.4c03039] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2024]
Abstract
Fucoidan has shown better effects on the improvement of acute ulcerative colitis (UC). However, the specific mechanisms by which fucoidan improves UC-related behavioral disorders in aged mice, especially its effect on the gut-brain axis, remain to be further explored. C57BL/6 male mice aged 8 months were gavaged with 400 or 100 mg/kg bw day fucoidan for five consecutive weeks, with UC being induced by ad libitum to dextran sulfate sodium (DSS) solution in the fifth week. The results showed that fucoidan ameliorated UC and accompanying anxiety- and depressive-like behaviors with downregulated expressions of (NOD)-like receptor family and pyrin domain-containing 3 (NLRP3), apoptosis-associated speck-like protein (ASC), cysteine aspartate-specific protease-1 (Caspase-1) and interlekin-1β (IL-1β), and elevated mRNA levels of brain-derived neurotrophic factor (Bdnf) and postsynaptic-density protein 95 (Psd-95) in cortex and hippocampus. Furthermore, fucoidan improved the permeability of intestinal barrier and blood-brain barrier and restored the abnormal structure of the gut microbiota with a significantly decreased ratio of Firmicutes to Bacteroidota (F/B) and obviously increased abundance of Akkermansia. As a diet-derived bioactive ingredient, fucoidan might be a better alternative for the prevention of UC and accompanying anxiety- and depressive-like behaviors.
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Affiliation(s)
- Shilan Li
- School of Public Health, Suzhou Medical College of Soochow University, Suzhou, Jiangsu 215123, P.R. China
| | - Qingfan Qian
- School of Public Health, Suzhou Medical College of Soochow University, Suzhou, Jiangsu 215123, P.R. China
| | - Yisha Xie
- School of Public Health, Suzhou Medical College of Soochow University, Suzhou, Jiangsu 215123, P.R. China
| | - Zhengli Wu
- School of Public Health, Suzhou Medical College of Soochow University, Suzhou, Jiangsu 215123, P.R. China
| | - Hao Yang
- School of Public Health, Suzhou Medical College of Soochow University, Suzhou, Jiangsu 215123, P.R. China
| | - Yan Yin
- School of Public Health, Suzhou Medical College of Soochow University, Suzhou, Jiangsu 215123, P.R. China
| | - Yuan Cui
- School of Public Health, Suzhou Medical College of Soochow University, Suzhou, Jiangsu 215123, P.R. China
| | - Xinli Li
- School of Public Health, Suzhou Medical College of Soochow University, Suzhou, Jiangsu 215123, P.R. China
- Jiangsu Key Laboratory of Preventive and Translational Medicine for Major Chronic Non-communicable Diseases, School of Public Health, Medical College of Soochow University, Suzhou, Jiangsu 215123, P.R. China
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24
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Song A, Cheng R, Jiang J, Qu H, Wu Z, Qian F, Shen S, Zhang L, Wang Z, Zhao W, Lou Y. Antidepressant-like effects of hyperoside on chronic stress-induced depressive-like behaviors in mice: Gut microbiota and short-chain fatty acids. J Affect Disord 2024; 354:356-367. [PMID: 38492650 DOI: 10.1016/j.jad.2024.03.017] [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: 08/31/2023] [Revised: 02/04/2024] [Accepted: 03/07/2024] [Indexed: 03/18/2024]
Abstract
BACKGROUND The antidepressant effect of hyperoside (HYP), which is the main component of Hypericum perforatum, is not established. This study aimed to determine the effects of HYP on depression. METHODS The antidepressant-like effect of HYP was studied in mice induced by chronic restraint stress (CRS). The effects of HYP on behavior, inflammation, neurotransmitters, gut microbiota, and short-chain fatty acids (SCFAs) were studied in CRS mice. RESULTS HYP improved depressive-like behavior in mice induced by CRS. Nissl staining analysis showed that HYP improved neuronal damage in CRS mice. Western blot (WB) analysis showed that HYP increased the expression levels of BDNF and PSD95 in the hippocampus of CRS mice. The results of ELISA showed that HYP down-regulated the expression levels of IL-6, IL-1β, TNF-α, and CORT in the hippocampus, blood, and intestinal tissues of mice and up-regulated the expression levels of 5-HT and BDNF. Hematoxylin and eosin (HE) staining results indicate that HYP can improve the intestinal histopathological injury of CRS mice. The results of 16S rRNA demonstrated that HYP attenuated the dysbiosis of the gut microbiota of depressed mice, along with altering the concentration of SCFAs. LIMITATIONS In the present study, direct evidence that HYP improves depressive behaviors via gut microbiota and SCFAs is lacking, and only female mice were evaluated, which limits the understanding of the effects of HYP on both sexes. CONCLUSIONS HYP can improve CRS-induced depressive-like behaviors in mice, which is associated with regulating the gut microbiota and SCFAs concentration.
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Affiliation(s)
- Aoqi Song
- Department of Pharmacy, Shanghai Fourth People's Hospital, School of Medicine, Tongji University, Shanghai 200434, China
| | - Ru Cheng
- Department of Pharmacy, Shanghai Fourth People's Hospital, School of Medicine, Tongji University, Shanghai 200434, China
| | - Jingjing Jiang
- Department of Pharmacy, Shanghai Fourth People's Hospital, School of Medicine, Tongji University, Shanghai 200434, China
| | - Han Qu
- Engineering Research Center of Cell & Therapeutic Antibody, Ministry of Education, Pharm-X Center, School of Pharmacy, Shanghai Jiao Tong University, Shanghai, China
| | - Zhenghua Wu
- Department of Clinical Pharmacy, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200080, China
| | - Feng Qian
- Engineering Research Center of Cell & Therapeutic Antibody, Ministry of Education, Pharm-X Center, School of Pharmacy, Shanghai Jiao Tong University, Shanghai, China
| | - Shuyu Shen
- Engineering Research Center of Cell & Therapeutic Antibody, Ministry of Education, Pharm-X Center, School of Pharmacy, Shanghai Jiao Tong University, Shanghai, China
| | - Liwen Zhang
- Engineering Research Center of Cell & Therapeutic Antibody, Ministry of Education, Pharm-X Center, School of Pharmacy, Shanghai Jiao Tong University, Shanghai, China
| | - Zhiyu Wang
- Engineering Research Center of Cell & Therapeutic Antibody, Ministry of Education, Pharm-X Center, School of Pharmacy, Shanghai Jiao Tong University, Shanghai, China
| | - Wenjuan Zhao
- Engineering Research Center of Cell & Therapeutic Antibody, Ministry of Education, Pharm-X Center, School of Pharmacy, Shanghai Jiao Tong University, Shanghai, China..
| | - Yuefen Lou
- Department of Pharmacy, Shanghai Fourth People's Hospital, School of Medicine, Tongji University, Shanghai 200434, China; Shanghai Key Laboratory of Anesthesiology and Brain Functional Modulation, Shanghai 200434, China.
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25
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Sancho-Balsells A, Borràs-Pernas S, Flotta F, Chen W, Del Toro D, Rodríguez MJ, Alberch J, Blivet G, Touchon J, Xifró X, Giralt A. Brain-gut photobiomodulation restores cognitive alterations in chronically stressed mice through the regulation of Sirt1 and neuroinflammation. J Affect Disord 2024; 354:574-588. [PMID: 38490587 DOI: 10.1016/j.jad.2024.03.075] [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: 02/02/2024] [Revised: 03/06/2024] [Accepted: 03/10/2024] [Indexed: 03/17/2024]
Abstract
BACKGROUND Chronic stress is an important risk factor for the development of major depressive disorder (MDD). Recent studies have shown microbiome dysbiosis as one of the pathogenic mechanisms associated with MDD. Thus, it is important to find novel non-pharmacological therapeutic strategies that can modulate gut microbiota and brain activity. One such strategy is photobiomodulation (PBM), which involves the non-invasive use of light. OBJECTIVE/HYPOTHESIS Brain-gut PBM could have a synergistic beneficial effect on the alterations induced by chronic stress. METHODS We employed the chronic unpredictable mild stress (CUMS) protocol to induce a depressive-like state in mice. Subsequently, we administered brain-gut PBM for 6 min per day over a period of 3 weeks. Following PBM treatment, we examined behavioral, structural, molecular, and cellular alterations induced by CUMS. RESULTS We observed that the CUMS protocol induces profound behavioral alterations and an increase of sirtuin1 (Sirt1) levels in the hippocampus. We then combined the stress protocol with PBM and found that tissue-combined PBM was able to rescue cognitive alterations induced by CUMS. This rescue was accompanied by a restoration of hippocampal Sirt1 levels, prevention of spine density loss in the CA1 of the hippocampus, and the modulation of the gut microbiome. PBM was also effective in reducing neuroinflammation and modulating the morphology of Iba1-positive microglia. LIMITATIONS The molecular mechanisms behind the beneficial effects of tissue-combined PBM are not fully understood. CONCLUSIONS Our results suggest that non-invasive photobiomodulation of both the brain and the gut microbiome could be beneficial in the context of stress-induced MDD.
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Affiliation(s)
- Anna Sancho-Balsells
- Departament de Biomedicina, Facultat de Medicina, Institut de Neurociències, Universitat de Barcelona, 08036 Barcelona, Spain; Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), 08036 Barcelona, Spain; Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas (CIBERNED), 28031 Madrid, Spain.
| | - Sara Borràs-Pernas
- Departament de Biomedicina, Facultat de Medicina, Institut de Neurociències, Universitat de Barcelona, 08036 Barcelona, Spain; Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), 08036 Barcelona, Spain; Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas (CIBERNED), 28031 Madrid, Spain
| | - Francesca Flotta
- Departament de Biomedicina, Facultat de Medicina, Institut de Neurociències, Universitat de Barcelona, 08036 Barcelona, Spain; Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), 08036 Barcelona, Spain; Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas (CIBERNED), 28031 Madrid, Spain
| | - Wanqi Chen
- Departament de Biomedicina, Facultat de Medicina, Institut de Neurociències, Universitat de Barcelona, 08036 Barcelona, Spain; Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), 08036 Barcelona, Spain; Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas (CIBERNED), 28031 Madrid, Spain
| | - Daniel Del Toro
- Departament de Biomedicina, Facultat de Medicina, Institut de Neurociències, Universitat de Barcelona, 08036 Barcelona, Spain; Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), 08036 Barcelona, Spain; Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas (CIBERNED), 28031 Madrid, Spain
| | - Manuel J Rodríguez
- Departament de Biomedicina, Facultat de Medicina, Institut de Neurociències, Universitat de Barcelona, 08036 Barcelona, Spain; Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), 08036 Barcelona, Spain; Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas (CIBERNED), 28031 Madrid, Spain
| | - Jordi Alberch
- Departament de Biomedicina, Facultat de Medicina, Institut de Neurociències, Universitat de Barcelona, 08036 Barcelona, Spain; Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), 08036 Barcelona, Spain; Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas (CIBERNED), 28031 Madrid, Spain; Production and Validation Centre of Advanced Therapies (Creatio), Faculty of Medicine and Health Science, University of Barcelona, 08036 Barcelona, Spain
| | | | | | - Xavier Xifró
- New Therapeutic Targets Group, Department of Medical Science, Faculty of Medicine, Universitat de Girona, Girona, Spain.
| | - Albert Giralt
- Departament de Biomedicina, Facultat de Medicina, Institut de Neurociències, Universitat de Barcelona, 08036 Barcelona, Spain; Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), 08036 Barcelona, Spain; Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas (CIBERNED), 28031 Madrid, Spain.
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26
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Chauhan P, Wadhwa K, Mishra R, Gupta S, Ahmad F, Kamal M, Iqbal D, Alsaweed M, Nuli MV, Abomughaid MM, Almutary AG, Mishra PC, Jha SK, Ojha S, Nelson VK, Dargar A, Singh G, Jha NK. Investigating the Potential Therapeutic Mechanisms of Puerarin in Neurological Diseases. Mol Neurobiol 2024:10.1007/s12035-024-04222-4. [PMID: 38780722 DOI: 10.1007/s12035-024-04222-4] [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: 08/17/2023] [Accepted: 04/18/2024] [Indexed: 05/25/2024]
Abstract
Plants and their derived phytochemicals have a long history of treating a wide range of illnesses for several decades. They are believed to be the origin of a diverse array of medicinal compounds. One of the compounds found in kudzu root is puerarin, a isoflavone glycoside commonly used as an alternative medicine to treat various diseases. From a biological perspective, puerarin can be described as a white needle crystal with the chemical name of 7-hydroxy-3-(4-hydroxyphenyl)-1-benzopyran-4-one-8-D-glucopyranoside. Besides, puerarin is sparingly soluble in water and produces no color or light yellow solution. Multiple experimental and clinical studies have confirmed the significant therapeutic effects of puerarin. These effects span a wide range of pharmacological effects, including neuroprotection, hepatoprotection, cardioprotection, immunomodulation, anticancer properties, anti-diabetic properties, anti-osteoporosis properties, and more. Puerarin achieves these effects by interacting with various cellular and molecular pathways, such as MAPK, AMPK, NF-κB, mTOR, β-catenin, and PKB/Akt, as well as different receptors, enzymes, and growth factors. The current review highlights the molecular mechanism of puerarin as a neuroprotective agent in the treatment of various neurodegenerative and neurological diseases. Extensive cellular, animal, and clinical research has provided valuable insights into its effectiveness in conditions such as Alzheimer's disease, Parkinson's disease, epilepsy, cerebral stroke, depression, and more.
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Affiliation(s)
- Payal Chauhan
- Department of Pharmaceutical Sciences, Maharshi Dayanand University, Rohtak, 124001, Haryana, India
| | - Karan Wadhwa
- Department of Pharmaceutical Sciences, Maharshi Dayanand University, Rohtak, 124001, Haryana, India
| | - Richa Mishra
- Department of Computer Engineering, Faculty of Engineering and Technology, Parul University, Gujrat, Vadodara, 391760, India
| | - Saurabh Gupta
- Department of Biotechnology, GLA University, Mathura, Uttar Pradesh, India
| | - Fuzail Ahmad
- Respiratory Care Department, College of Applied Sciences, Almaarefa University, Diriya, Riyadh, 13713, Saudi Arabia
| | - Mehnaz Kamal
- Department of Pharmaceutical Chemistry, College of Pharmacy, Prince Sattam Bin Abdulaziz University, Al-Kharj, 11942, Saudi Arabia
| | - Danish Iqbal
- Department of Health Information Management, College of Applied Medical Sciences, Buraydah Private Colleges, Buraydah, 51418, Saudi Arabia
| | - Mohammed Alsaweed
- Department of Medical Laboratory Sciences, College of Applied Medical Sciences, Majmaah University, Majmaah, 11952, Saudi Arabia
| | - Mohana Vamsi Nuli
- Raghavendra Institute of Pharmaceutical Education and Research, Anantapur, India
| | - Mosleh Mohammad Abomughaid
- Department of Medical Laboratory Sciences, College of Applied Medical Sciences, University of Bisha, Bisha, 61922, Saudi Arabia
| | - Abdulmajeed G Almutary
- Department of Biomedical Sciences, College of Health Sciences, Abu Dhabi University, Abu Dhabi, P.O. Box 59911, United Arab Emirates
| | - Prabhu Chandra Mishra
- Department of Biotechnology, School of Engineering and Technology, Sharda University, Greater Noida, India
| | - Saurabh Kumar Jha
- Department of Zoology, Kalindi College, University of Delhi, Delhi, India
| | - Shreesh Ojha
- Department of Pharmacology and Therapeutics, College of Medicine and Health Sciences, United Arab Emirates University, Al Ain, P.O. Box 15551, United Arab Emirates
| | - Vinod Kumar Nelson
- Raghavendra Institute of Pharmaceutical Education and Research, Anantapur, India.
| | - Abha Dargar
- Kalasalingam Academy of Research and Education, Anand Nagar, Krishnankoil, Virudhunagar, Tamilnadu, India
| | - Govind Singh
- Department of Pharmaceutical Sciences, Maharshi Dayanand University, Rohtak, 124001, Haryana, India.
| | - Niraj Kumar Jha
- Centre for Global Health Research, Saveetha Medical College, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, India.
- School of Bioengineering & Biosciences, Lovely Professional University, Phagwara, 144411, India.
- Department of Biotechnology, School of Applied & Life Sciences (SALS), Uttaranchal University, Dehradun, 248007, India.
- Department of Biotechnology Engineering and Food Technology, Chandigarh University, Mohali, India.
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27
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Zaparte A, Dore E, White S, Paliarin F, Gabriel C, Copenhaver K, Basavanhalli S, Garcia E, Vaddavalli R, Luo M, Taylor CM, Welsh DA, Maiya R. Standard rodent diets differentially impact alcohol consumption, preference, and gut microbiome diversity. Front Neurosci 2024; 18:1383181. [PMID: 38803684 PMCID: PMC11129685 DOI: 10.3389/fnins.2024.1383181] [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: 02/07/2024] [Accepted: 04/12/2024] [Indexed: 05/29/2024] Open
Abstract
Alcohol use disorder (AUD) is a complex and widespread disease with limited pharmacotherapies. Preclinical animal models of AUD use a variety of voluntary alcohol consumption procedures to recapitulate different phases of AUD, including binge alcohol consumption and dependence. However, voluntary alcohol consumption in mice is widely variable, making it difficult to reproduce results across labs. Accumulating evidence indicates that different brands of commercially available rodent chow can profoundly influence alcohol intake. In this study, we investigated the effects of three commercially available and widely used rodent diet formulations on alcohol consumption and preference in C57BL/6 J mice using the 24 h intermittent access procedure. The three brands of chow tested were LabDiet 5,001 (LD5001), LabDiet 5,053 (LD5053), and Teklad 2019S (TL2019S) from two companies (Research Diets and Envigo, respectively). Mice fed LD5001 and LD5053 displayed higher levels of alcohol consumption and preference compared to mice fed TL2019S. We also found that alcohol consumption and preference could be rapidly switched by changing the diet 48 h prior to alcohol administration. Sucrose, saccharin, and quinine preferences were not altered, suggesting that the diets did not alter sweet and bitter taste perception. We also found that mice fed LD5001 displayed increased quinine-resistant alcohol intake compared to mice fed TL2019S, suggesting that diets could influence the development of compulsive behaviors such as alcohol consumption. We profiled the gut microbiome of water- and alcohol-drinking mice that were maintained on different diets and found significant differences in bacterial alpha- and beta-diversities, which could impact the gut-brain axis signaling and alcohol consumption.
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Affiliation(s)
- Aline Zaparte
- Department of Microbiology, Immunology, and Parasitology, Louisiana State University Health Sciences Center New Orleans, New Orleans, LA, United States
| | - Evan Dore
- Department of Physiology, Louisiana State University Health Sciences Center New Orleans, New Orleans, LA, United States
| | - Selby White
- Department of Physiology, Louisiana State University Health Sciences Center New Orleans, New Orleans, LA, United States
| | - Franciely Paliarin
- Department of Physiology, Louisiana State University Health Sciences Center New Orleans, New Orleans, LA, United States
| | - Cameron Gabriel
- Department of Physiology, Louisiana State University Health Sciences Center New Orleans, New Orleans, LA, United States
| | - Katherine Copenhaver
- Department of Physiology, Louisiana State University Health Sciences Center New Orleans, New Orleans, LA, United States
| | - Samhita Basavanhalli
- Department of Physiology, Louisiana State University Health Sciences Center New Orleans, New Orleans, LA, United States
| | - Emily Garcia
- Department of Physiology, Louisiana State University Health Sciences Center New Orleans, New Orleans, LA, United States
| | - Rishith Vaddavalli
- Department of Physiology, Louisiana State University Health Sciences Center New Orleans, New Orleans, LA, United States
| | - Meng Luo
- Department of Microbiology, Immunology, and Parasitology, Louisiana State University Health Sciences Center New Orleans, New Orleans, LA, United States
| | - Christopher M. Taylor
- Department of Microbiology, Immunology, and Parasitology, Louisiana State University Health Sciences Center New Orleans, New Orleans, LA, United States
| | - David Allen Welsh
- Department of Microbiology, Immunology, and Parasitology, Louisiana State University Health Sciences Center New Orleans, New Orleans, LA, United States
| | - Rajani Maiya
- Department of Physiology, Louisiana State University Health Sciences Center New Orleans, New Orleans, LA, United States
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Verma C, Jain K, Saini A, Mani I, Singh V. Exploring the potential of drug repurposing for treating depression. PROGRESS IN MOLECULAR BIOLOGY AND TRANSLATIONAL SCIENCE 2024; 207:79-105. [PMID: 38942546 DOI: 10.1016/bs.pmbts.2024.03.037] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/30/2024]
Abstract
Researchers are interested in drug repurposing or drug repositioning of existing pharmaceuticals because of rising costs and slower rates of new medication development. Other investigations that authorized these treatments used data from experimental research and off-label drug use. More research into the causes of depression could lead to more effective pharmaceutical repurposing efforts. In addition to the loss of neurotransmitters like serotonin and adrenaline, inflammation, inadequate blood flow, and neurotoxins are now thought to be plausible mechanisms. Because of these other mechanisms, repurposing drugs has resulted for treatment-resistant depression. This chapter focuses on therapeutic alternatives and their effectiveness in drug repositioning. Atypical antipsychotics, central nervous system stimulants, and neurotransmitter antagonists have investigated for possible repurposing. Nonetheless, extensive research is required to ensure their formulation, effectiveness, and regulatory compliance.
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Affiliation(s)
- Chaitenya Verma
- Department of Pathology, Ohio State University, Columbus, OH, United States
| | - Kritika Jain
- Department of Microbiology, Institute of Home Economics, University of Delhi, New Delhi, India
| | - Ashok Saini
- Department of Microbiology, Institute of Home Economics, University of Delhi, New Delhi, India
| | - Indra Mani
- Department of Microbiology, Gargi College, University of Delhi, New Delhi, India.
| | - Vijai Singh
- Department of Biosciences, School of Science, Indrashil University, Rajpur, Mehsana, India.
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de Noronha SISR, de Moraes LAG, Hassell JE, Stamper CE, Arnold MR, Heinze JD, Foxx CL, Lieb MM, Cler KE, Karns BL, Jaekel S, Loupy KM, Silva FCS, Chianca-Jr DA, Lowry CA, de Menezes RC. High-fat diet, microbiome-gut-brain axis signaling, and anxiety-like behavior in male rats. Biol Res 2024; 57:23. [PMID: 38705984 PMCID: PMC11071217 DOI: 10.1186/s40659-024-00505-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2023] [Accepted: 04/23/2024] [Indexed: 05/07/2024] Open
Abstract
Obesity, associated with the intake of a high-fat diet (HFD), and anxiety are common among those living in modern urban societies. Recent studies suggest a role of microbiome-gut-brain axis signaling, including a role for brain serotonergic systems in the relationship between HFD and anxiety. Evidence suggests the gut microbiome and the serotonergic brain system together may play an important role in this response. Here we conducted a nine-week HFD protocol in male rats, followed by an analysis of the gut microbiome diversity and community composition, brainstem serotonergic gene expression (tph2, htr1a, and slc6a4), and anxiety-related defensive behavioral responses. We show that HFD intake decreased alpha diversity and altered the community composition of the gut microbiome in association with obesity, increased brainstem tph2, htr1a and slc6a4 mRNA expression, including in the caudal part of the dorsomedial dorsal raphe nucleus (cDRD), a subregion previously associated with stress- and anxiety-related behavioral responses, and, finally, increased anxiety-related defensive behavioral responses. The HFD increased the Firmicutes/Bacteroidetes ratio relative to control diet, as well as higher relative abundances of Blautia, and decreases in Prevotella. We found that tph2, htr1a and slc6a4 mRNA expression were increased in subregions of the dorsal raphe nucleus in the HFD, relative to control diet. Specific bacterial taxa were associated with increased serotonergic gene expression in the cDRD. Thus, we propose that HFD-induced obesity is associated with altered microbiome-gut-serotonergic brain axis signaling, leading to increased anxiety-related defensive behavioral responses in rats.
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Affiliation(s)
- Sylvana I S Rendeiro de Noronha
- Department of Biological Sciences, Laboratory of Cardiovascular Physiology, Federal University of Ouro Preto, Ouro Preto, MG, 35400-000, Brazil
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO, 80309, USA
| | - Lauro Angelo Gonçalves de Moraes
- Department of Biological Sciences, Laboratory of Cardiovascular Physiology, Federal University of Ouro Preto, Ouro Preto, MG, 35400-000, Brazil
- Computing Department, Federal University of Ouro Preto, Ouro Preto, MG, 35400-000, Brazil
| | - James E Hassell
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO, 80309, USA
| | - Christopher E Stamper
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO, 80309, USA
| | - Mathew R Arnold
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO, 80309, USA
| | - Jared D Heinze
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO, 80309, USA
| | - Christine L Foxx
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO, 80309, USA
| | - Margaret M Lieb
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO, 80309, USA
| | - Kristin E Cler
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO, 80309, USA
| | - Bree L Karns
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO, 80309, USA
| | - Sophia Jaekel
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO, 80309, USA
| | - Kelsey M Loupy
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO, 80309, USA
| | - Fernanda C S Silva
- Department of Biological Sciences, Laboratory of Cardiovascular Physiology, Federal University of Ouro Preto, Ouro Preto, MG, 35400-000, Brazil
| | - Deoclécio Alves Chianca-Jr
- Department of Biological Sciences, Laboratory of Cardiovascular Physiology, Federal University of Ouro Preto, Ouro Preto, MG, 35400-000, Brazil
| | - Christopher A Lowry
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO, 80309, USA
- Department of Psychology and Neuroscience, University of Colorado Boulder, Boulder, CO, 80309, USA
- Center for Neuroscience, University of Colorado Boulder, Boulder, CO, 80309, USA
| | - Rodrigo Cunha de Menezes
- Department of Biological Science Laboratory of Cardiovascular Physiology, Campus Morro do Cruzeiro s/n, Ouro Preto, 35400-000, MG, Brazil.
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Smith KS, Morris MM, Morrow CD, Novak JR, Roberts MD, Frugé AD. Mood disturbance, but not overall diet quality, is associated with fecal microbiome diversity in free-living adults. Nutr Neurosci 2024; 27:451-459. [PMID: 37183583 DOI: 10.1080/1028415x.2023.2213484] [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: 05/16/2023]
Abstract
OBJECTIVES To investigate the gut-brain axis, we explored the relationships among mood disturbance (MD), diet quality (DQ), and fecal microbiota in free-living adults. METHODS A cross-sectional analysis was conducted with data from 75 healthy adults enrolled in two studies. Anthropometrics, 16s rRNA gene sequencing of fecal microbes, DQ as assessed by Healthy Eating Index-2015 (HEI), and MD determined by Profile of Mood States (POMS) were included. Alpha-diversity and DQ differences were explored between low (n = 37) and high MD (n = 38) groups. Spearman correlations were used to investigate relationships between alpha-diversity, DQ, and POMS subscales. Moderation analysis explored the effect of HEI score on the relationship between MD and alpha-diversity. RESULTS Participants were mostly white (67%), 54.5 years old (±11.8), and overweight (28.5 ± 6.5 kg/m2). Shannon and Simpson indices indicate higher alpha-diversity in participants with low MD compared to high MD (p = 0.004 and p = 0.008, respectively). Simpson and Shannon indices were correlated with subscale of anger (rho = -0.303, p = 0.011; rho = -0.265, p = 0.027, respectively)and total MD (rho = -0.404, p = 0.001; rho = -0.357, p = 0.002, respectively). Refined grains were associated with fatigue and tension subscales (rho = 0.428, p < 0.001; rho = 0.302, p = 0.014, respectively). DQ did not significantly moderate the relationship between alpha-diversity and mood disturbance (F(7, 53) = 2.00, p = 0.072, R2 = 0.209). Shannon index was a significant predictor of MD (b = -4.39, t(53) = -2.55, p = 0.014), but total HEI score and the interaction (Shannon index*HEI score) were not significant. DISCUSSION Greater bacterial diversity was associated with lower MD, and DQ was associated with various mood state subscales in this sample of adults.
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Affiliation(s)
- Kristen S Smith
- Department of Nutritional Sciences, Auburn University, Auburn, AL, USA
| | - Molly M Morris
- College of Science and Mathematics, Auburn University, Auburn, AL, USA
| | - Casey D Morrow
- Department of Cell, Developmental and Integrative Biology, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Josh R Novak
- Department of Human Development and Family Science, Auburn University, Auburn, AL, USA
| | | | - Andrew D Frugé
- Department of Nutritional Sciences, Auburn University, Auburn, AL, USA
- College of Nursing, Auburn University, Auburn, AL, USA
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Bai Y, Cai Y, Chang D, Li D, Huo X, Zhu T. Immunotherapy for depression: Recent insights and future targets. Pharmacol Ther 2024; 257:108624. [PMID: 38442780 DOI: 10.1016/j.pharmthera.2024.108624] [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: 10/29/2023] [Revised: 01/29/2024] [Accepted: 02/20/2024] [Indexed: 03/07/2024]
Abstract
Depression stands as a prominent contributor to global disability, entailing an elevated risk of suicide. Substantial evidence supports the notion that immune dysregulation may play a role in the development of depression and impede responses to antidepressant treatments. Immune dysregulation may cause depression in susceptible individuals through raising inflammatory responses. Differences in immune cell types and the release of pro-inflammatory mediators are observed in the blood and cerebrospinal fluid of patients with major depressive disorder, which is associated with neuroimmune dysfunction. Therefore, the interaction of peripheral and central immune targets in depression needs to be understood. Urgent attention is required for the development of innovative therapeutics directed at modulating immune responses for the treatment of depression. This review delineates the immune mechanisms involved in the pathogenesis of depression, assesses the therapeutic potential of immune system targeting for depression treatment, and deliberates on the merits and constraints of employing immunotherapy in the management of depression.
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Affiliation(s)
- Ying Bai
- Department of Pharmacology, Jiangsu Provincial Key Laboratory of Critical Care Medicine, School of Medicine, Southeast University, Nanjing 210009, China.
| | - Yang Cai
- Department of Pharmacology, Jiangsu Provincial Key Laboratory of Critical Care Medicine, School of Medicine, Southeast University, Nanjing 210009, China
| | - Di Chang
- Department of Radiology, Zhongda Hospital, Jiangsu Key Laboratory of Molecular and Functional Imaging, Medical School of Southeast University, Nanjing 210009, China
| | - Daxing Li
- Department of Pharmacology, Jiangsu Provincial Key Laboratory of Critical Care Medicine, School of Medicine, Southeast University, Nanjing 210009, China
| | - Xinchen Huo
- Department of Pharmacology, Jiangsu Provincial Key Laboratory of Critical Care Medicine, School of Medicine, Southeast University, Nanjing 210009, China
| | - Tianhao Zhu
- Department of Pharmacology, Jiangsu Provincial Key Laboratory of Critical Care Medicine, School of Medicine, Southeast University, Nanjing 210009, China
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Sakrajda K, Bilska K, Czerski PM, Narożna B, Dmitrzak-Węglarz M, Heilmann-Heimbach S, Brockschmidt FF, Herms S, Nöthen MM, Cichon S, Więckowska B, Rybakowski JK, Pawlak J, Szczepankiewicz A. Abelson Helper Integration Site 1 haplotypes and peripheral blood expression associates with lithium response and immunomodulation in bipolar patients. Psychopharmacology (Berl) 2024; 241:727-738. [PMID: 38036661 DOI: 10.1007/s00213-023-06505-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/02/2023] [Accepted: 11/13/2023] [Indexed: 12/02/2023]
Abstract
RATIONALE In bipolar disorder (BD), immunological factors play a role in the pathogenesis and treatment of the illness. Studies showed the potential link between Abelson Helper Integration Site 1 (AHI1) protein, behavioural changes and innate immunity regulation. An immunomodulatory effect was suggested for lithium, a mood stabilizer used in BD treatment. OBJECTIVES We hypothesized that AHI1 may be an important mediator of lithium treatment response. Our study aimed to investigate whether the AHI1 haplotypes and expression associates with lithium treatment response in BD patients. We also examined whether AHI1 expression and lithium treatment correlate with innate inflammatory response genes. RESULTS We genotyped seven AHI1 single nucleotide polymorphisms in 97 euthymic BD patients and found that TG haplotype (rs7739635, rs9494332) was significantly associated with lithium response. We also showed significantly increased AHI1 expression in the blood of lithium responders compared to non-responders and BD patients compared to healthy controls (HC). We analyzed the expression of genes involved in the innate immune response and inflammatory response regulation (TLR4, CASP4, CASP5, NLRP3, IL1A, IL1B, IL6, IL10, IL18) in 21 lithium-treated BD patients, 20 BD patients treated with other mood stabilizer and 19 HC. We found significantly altered expression between BD patients and HC, but not between BD patients treated with different mood stabilizers. CONCLUSIONS Our study suggests the involvement of AHI1 in the lithium mode of action. Moreover, mood-stabilizing treatment associated with the innate immunity-related gene expression in BD patients and only the lithium-treated BD patients showed significantly elevated expression of anti-inflammatory IL10, suggesting lithium's immunomodulatory potential.
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Affiliation(s)
- Kosma Sakrajda
- Molecular and Cell Biology Unit, Poznan University of Medical Sciences, Poznan, Poland.
- Doctoral School, Poznan University of Medical Sciences, Poznan, Poland.
| | - Karolina Bilska
- Department of Psychiatric Genetics, Poznan University of Medical Sciences, Poznan, Poland
| | - Piotr M Czerski
- Department of Psychiatric Genetics, Poznan University of Medical Sciences, Poznan, Poland
| | - Beata Narożna
- Molecular and Cell Biology Unit, Poznan University of Medical Sciences, Poznan, Poland
| | | | - Stefanie Heilmann-Heimbach
- Institute of Human Genetics, University of Bonn, Bonn, Germany
- Department of Genomics, Life & Brain Center, University of Bonn, Bonn, Germany
| | | | - Stefan Herms
- Institute of Human Genetics, University of Bonn, Bonn, Germany
- Department of Biomedicine, University Hospital Basel and University of Basel, Basel, Switzerland
| | - Markus M Nöthen
- Institute of Human Genetics, University of Bonn, Bonn, Germany
- Department of Genomics, Life & Brain Center, University of Bonn, Bonn, Germany
| | - Sven Cichon
- Department of Biomedicine, University Hospital Basel and University of Basel, Basel, Switzerland
- Institute of Medical Genetics and Pathology, University Hospital Basel, Basel, Switzerland
- Institute of Neuroscience and Medicine (INM-1), Research Centre Jülich, Jülich, Germany
| | - Barbara Więckowska
- Department of Computer Sciences and Statistics, Poznan University of Medical Sciences, Poznan, Poland
| | - Janusz K Rybakowski
- Department of Adult Psychiatry, Poznan University of Medical Sciences, Poznan, Poland
| | - Joanna Pawlak
- Department of Psychiatric Genetics, Poznan University of Medical Sciences, Poznan, Poland
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He H, He H, Mo L, Yuan Q, Xiao C, Ma Q, Yi S, Zhou T, You Z, Zhang J. Gut microbiota regulate stress resistance by influencing microglia-neuron interactions in the hippocampus. Brain Behav Immun Health 2024; 36:100729. [PMID: 38317780 PMCID: PMC10840119 DOI: 10.1016/j.bbih.2024.100729] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2024] [Accepted: 01/22/2024] [Indexed: 02/07/2024] Open
Abstract
Communication among the brain, gut and microbiota in the gut is known to affect the susceptibility to stress, but the mechanisms involved are unclear. Here we demonstrated that stress resistance in mice was associated with more abundant Lactobacillus and Akkermansia in the gut, but less abundant Bacteroides, Alloprevotella, Helicobacter, Lachnoclostridium, Blautia, Roseburia, Colidextibacter and Lachnospiraceae NK4A136. Stress-sensitive animals showed higher permeability and stronger immune responses in their colon, as well as higher levels of pro-inflammatory cytokines in serum. Their hippocampus also showed more extensive microglial activation, abnormal interactions between microglia and neurons, and lower synaptic plasticity. Transplanting fecal microbiota from stress-sensitive mice into naïve ones perturbed microglia-neuron interactions and impaired synaptic plasticity in the hippocampus, translating to more depression-like behavior after stress exposure. Conversely, transplanting fecal microbiota from stress-resistant mice into naïve ones protected microglia from activation and preserved synaptic plasticity in the hippocampus, leading to less depression-like behavior after stress exposure. These results suggested that gut microbiota may influence resilience to chronic psychological stress by regulating microglia-neuron interactions in the hippocampus.
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Affiliation(s)
- Haili He
- Guizhou University of Traditional Chinese Medicine, Guiyang, 550025, China
| | - Hui He
- The Center of Psychosomatic Medicine, Sichuan Provincial Center for Mental Health, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu, 611731, PR China
| | - Li Mo
- The Center of Psychosomatic Medicine, Sichuan Provincial Center for Mental Health, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu, 611731, PR China
| | - Qingsong Yuan
- Guizhou University of Traditional Chinese Medicine, Guiyang, 550025, China
| | - Chenghong Xiao
- Guizhou University of Traditional Chinese Medicine, Guiyang, 550025, China
| | - Qiman Ma
- Guizhou University of Traditional Chinese Medicine, Guiyang, 550025, China
| | - Saini Yi
- Guizhou University of Traditional Chinese Medicine, Guiyang, 550025, China
| | - Tao Zhou
- Guizhou University of Traditional Chinese Medicine, Guiyang, 550025, China
| | - Zili You
- The Center of Psychosomatic Medicine, Sichuan Provincial Center for Mental Health, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu, 611731, PR China
| | - Jinqiang Zhang
- Guizhou University of Traditional Chinese Medicine, Guiyang, 550025, China
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Wang P, Li Y, Song Y, Gao Y, Hao C, Zhou Y, Bao S, Guo J, Li X. Human umbilical cord mesenchymal stem cells reverse depression in rats induced by chronic unpredictable mild stress combined with lipopolysaccharide. CNS Neurosci Ther 2024; 30:e14644. [PMID: 38433020 PMCID: PMC10909725 DOI: 10.1111/cns.14644] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2023] [Revised: 01/24/2024] [Accepted: 02/01/2024] [Indexed: 03/05/2024] Open
Abstract
BACKGROUND Inflammation and oxidative stress are considered crucial to the pathogenesis of depression. Rat models of depression can be created by combined treatments of chronic unpredictable mild stress (CUMS) and lipopolysaccharide (LPS). Behaviors associated with depression could be improved by treatment with mesenchymal stem cells (MSCs) owing to immunomodulatory functions of the cells. Therapeutic potentials of the MSCs to reverse pro-inflammatory cytokines, proteins, and metabolites were identified by transcriptomic, proteomic, and metabolomic analysis, respectively. METHODS A depression model was established in male SD rats by 2 weeks of CUMS combined with LPS. The models were verified by behavioral tests, namely SPT, OFT, EPM, and qRT-PCR for pro-inflammatory cytokines. Such depressed rats were administered human umbilical cord MSCs (hUC-MSCs) via the tail vein once a week for 2 and 4 weeks. The homing capacity was confirmed by detection of the fluorescent dye on day 7 after the hUC-MSCs were labeled with CM-Dil and administered. The expression of GFAP in astrocytes serves as a biomarker of CNS disorders and IBA1 in microglia serves as a marker of microglia activation were detected by immunohistochemistry at 2 and 4 weeks after final administration of hUC-MSCs. At the same time, transcriptomics of rat hippocampal tissue, proteomic and metabolomic analysis of the serum from the normal, depressed, and treated rats were also compared. RESULTS Reliable models of rat depression were successfully induced by treatments of CUMS combined with LPS. Rat depression behaviors, pro-inflammatory cytokines, and morphological disorders of the hippocampus associated with depression were reversed in 4 weeks by hUC-MSC treatment. hUC-MSCs could reach the hippocampus CA1 region through the blood circulation on day 7 after administration owing to the disruption of blood brain barrier (BBB) by microglial activation from depression. Differentiations of whole-genome expression, protein, and metabolite profiles between the normal and depression-modeled rats, which were analyzed by transcriptomic, proteomics, and metabolomics, further verified the high association with depression behaviors. CONCLUSIONS Rat depression can be reversed or recovered by treatment with hUC-MSCs.
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Affiliation(s)
- Pengxiang Wang
- The State Key Laboratory of Reproductive Regulation and Breeding of Grassland LivestockInner Mongolia UniversityHohhotChina
- Research Center for Animal Genetic Resources of Mongolia PlateauCollege of Life Sciences, Inner Mongolia UniversityHohhotChina
- College of Basic Medicine, Inner Mongolia Medical UniversityHohhotChina
| | - Yunxia Li
- Research Center for Animal Genetic Resources of Mongolia PlateauCollege of Life Sciences, Inner Mongolia UniversityHohhotChina
- Inner Mongolia Saikexing Institute of Breeding and Reproductive Biotechnology in Domestic AnimalHohhotChina
| | - Yongli Song
- The State Key Laboratory of Reproductive Regulation and Breeding of Grassland LivestockInner Mongolia UniversityHohhotChina
- Research Center for Animal Genetic Resources of Mongolia PlateauCollege of Life Sciences, Inner Mongolia UniversityHohhotChina
| | - Yuan Gao
- The State Key Laboratory of Reproductive Regulation and Breeding of Grassland LivestockInner Mongolia UniversityHohhotChina
- Research Center for Animal Genetic Resources of Mongolia PlateauCollege of Life Sciences, Inner Mongolia UniversityHohhotChina
| | - Chunxia Hao
- The State Key Laboratory of Reproductive Regulation and Breeding of Grassland LivestockInner Mongolia UniversityHohhotChina
- Research Center for Animal Genetic Resources of Mongolia PlateauCollege of Life Sciences, Inner Mongolia UniversityHohhotChina
| | - Yang Zhou
- The State Key Laboratory of Reproductive Regulation and Breeding of Grassland LivestockInner Mongolia UniversityHohhotChina
- Research Center for Animal Genetic Resources of Mongolia PlateauCollege of Life Sciences, Inner Mongolia UniversityHohhotChina
- College of Basic Medicine, Inner Mongolia Medical UniversityHohhotChina
| | - Siqin Bao
- The State Key Laboratory of Reproductive Regulation and Breeding of Grassland LivestockInner Mongolia UniversityHohhotChina
- Research Center for Animal Genetic Resources of Mongolia PlateauCollege of Life Sciences, Inner Mongolia UniversityHohhotChina
| | - Jitong Guo
- Inner Mongolia Saikexing Institute of Breeding and Reproductive Biotechnology in Domestic AnimalHohhotChina
- Inner Mongolia Yihong Medical Research Co. LtdHohhotChina
| | - Xihe Li
- The State Key Laboratory of Reproductive Regulation and Breeding of Grassland LivestockInner Mongolia UniversityHohhotChina
- Research Center for Animal Genetic Resources of Mongolia PlateauCollege of Life Sciences, Inner Mongolia UniversityHohhotChina
- Inner Mongolia Saikexing Institute of Breeding and Reproductive Biotechnology in Domestic AnimalHohhotChina
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Lu T, Huang C, Weng R, Wang Z, Sun H, Ma X. Enteric glial cells contribute to chronic stress-induced alterations in the intestinal microbiota and barrier in rats. Heliyon 2024; 10:e24899. [PMID: 38317901 PMCID: PMC10838753 DOI: 10.1016/j.heliyon.2024.e24899] [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: 04/10/2023] [Revised: 12/13/2023] [Accepted: 01/16/2024] [Indexed: 02/07/2024] Open
Abstract
Background Emerging evidence has demonstrated the impact of psychological stress on intestinal microbiota, however, the precise mechanisms are not fully understood. Enteric glia, a unique type of peripheral glia found within the enteric nervous system (ENS), play an active role in enteric neural circuits and have profound effects on gut functions. In the present study, we tested the hypothesis that enteric glia are involved in the alterations in the intestinal microflora and barrier induced by chronic water-avoidance stress (WAS) in the gut. Methods and results Western blotting and immunohistochemical (IHC) staining were used to examine the expression of glial fibrillary acidic protein (GFAP), nitric oxide synthetase (NOS) and choline acety1transferase (ChAT) in colon tissues. 16S rDNA sequencing was performed to analyse the composition of the intestinal microbiota in rats. Changes in the tight junction proteins Occludin, Claudin1 and proliferating cell nuclear antigen (PCNA) in the colon tissues were detected after WAS. The abundance of Firmicutes, Proteobacteria, Lactobacillus and Lachnospiraceae_NK4A136 decreased significantly, whereas the abundance of Actinobacteria, Ruminococcaceae_UCG-005 and Christensenellaceae-R-7 increased significantly in stressed rats. Meanwhile, the expression of Occludin, Claudin1 and PCNA significantly decreased after WAS. Treatment with L-A-aminohexanedioic acid (L-AA), a gliotoxin that blunts astrocytic function, obviously decreased the abundance of Actinobacteria, Ruminococcaceae_UCG-005 and Christensenel-laceae_R-7 in stressed rats and significantly increased the abundance of Proteobacteria, Lactobacillus and Lachnospiraceae_NK4A136. In addition, the protein expression of colon Occludin, Claudin1, and PCNA increased after intraperitoneal injection of L-AA. Furthermore, the expression level of NOS in colon tissues was significantly decreased, whereas that of ChAT was significantly increased following L-AA treatment. Conclusions Our results showed that enteric glial cells may contribute to WAS-induced changes in the intestinal microbiota and barrier function by modulating the activity of NOS and cholinergic neurones in the ENS.
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Affiliation(s)
- Tong Lu
- Shandong Intelligent Technology Innovation Center, Central Hospital Affiliated to Shandong First Medical University, Jinan, 250013, China
| | - Chenxu Huang
- Key Laboratory of Animal Resistance Biology of Shandong Province, School of Life Science, Shandong Normal University, 88 Wenhua Road, Jinan, 250014, China
| | - Rongxin Weng
- Key Laboratory of Animal Resistance Biology of Shandong Province, School of Life Science, Shandong Normal University, 88 Wenhua Road, Jinan, 250014, China
| | - Zepeng Wang
- Key Laboratory of Animal Resistance Biology of Shandong Province, School of Life Science, Shandong Normal University, 88 Wenhua Road, Jinan, 250014, China
| | - Haiji Sun
- Shandong Intelligent Technology Innovation Center, Central Hospital Affiliated to Shandong First Medical University, Jinan, 250013, China
- Key Laboratory of Animal Resistance Biology of Shandong Province, School of Life Science, Shandong Normal University, 88 Wenhua Road, Jinan, 250014, China
| | - Xiaoli Ma
- Shandong Intelligent Technology Innovation Center, Central Hospital Affiliated to Shandong First Medical University, Jinan, 250013, China
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Chen S, Li M, Tong C, Wang Y, He J, Shao Q, Liu Y, Wu Y, Song Y. Regulation of miRNA expression in the prefrontal cortex by fecal microbiota transplantation in anxiety-like mice. Front Psychiatry 2024; 15:1323801. [PMID: 38410679 PMCID: PMC10894985 DOI: 10.3389/fpsyt.2024.1323801] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/18/2023] [Accepted: 01/29/2024] [Indexed: 02/28/2024] Open
Abstract
Background The gut-brain axis and gut microbiota have emerged as key players in emotional disorders. Recent studies suggest that alterations in gut microbiota may impact psychiatric symptoms through brain miRNA along the gut-brain axis. However, direct evidence linking gut microbiota to the pathophysiology of generalized anxiety disorder (GAD) via brain miRNA is limited. In this study, we explored the effects of fecal microbiota transplantation (FMT) from GAD donors on gut microbiota and prefrontal cortex miRNA in recipient mice, aiming to understand the relationship between these two factors. Methods Anxiety scores and gut microbiota composition were assessed in GAD patients, and their fecal samples were utilized for FMT in C57BL/6J mice. Anxiety-like behavior in mice was evaluated using open field and elevated plus maze tests. High-throughput sequencing of gut microbiota 16S rRNA and prefrontal cortex miRNA was performed. Results The fecal microbiota of GAD patients exhibited a distinct microbial structure compared to the healthy group, characterized by a significant decrease in Verrucomicrobia and Akkermansia, and a significant increase in Actinobacteria and Bacteroides. Subsequent FMT from GAD patients to mice induced anxiety-like behavior in recipients. Detailed analysis of gut microbiota composition revealed lower abundances of Verrucomicrobia, Akkermansia, Bifidobacterium, and Butyricimonas, and higher abundances of Deferribacteres, Allobaculum, Bacteroides, and Clostridium in mice that received FMT from GAD patients. MiRNA analysis identified five key miRNAs affecting GAD pathogenesis, including mmu-miR-10a-5p, mmu-miR-1224-5p, mmu-miR-218-5p, mmu-miR-10b-5p, and mmu-miR-488-3p. Notably, mmu-miR-488-3p showed a strong negative correlation with Verrucomicrobia and Akkermansia. Conclusion This study demonstrates that anxiety-like behavior induced by human FMT can be transmitted through gut microbiota and is associated with miRNA expression in the prefrontal cortex. It is inferred that the reduction of Akkermansia caused by FMT from GAD patients leads to the upregulation of mmu-miR-488-3p expression, resulting in the downregulation of its downstream target gene Creb1 and interference with its related signaling pathway. These findings highlight the gut microbiota's crucial role in the GAD pathophysiology.
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Affiliation(s)
- Simin Chen
- College of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Mengjia Li
- College of Life Science, Beijing University of Chinese Medicine, Beijing, China
| | - Changqing Tong
- College of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Yanan Wang
- College of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Jiahui He
- College of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Qi Shao
- College of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Yan Liu
- College of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Ying Wu
- Liuzhou Key laboratory of infection disease and immunology, Research Center of Medical Sciences, Liuzhou People's Hospital affiliated to Guangxi Medical University, Liuzhou, Guangxi, China
| | - Yuehan Song
- College of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
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Laudani S, Godos J, Romano GL, Gozzo L, Di Domenico FM, Dominguez Azpíroz I, Martínez Diaz R, Giampieri F, Quiles JL, Battino M, Drago F, Galvano F, Grosso G. Isoflavones Effects on Vascular and Endothelial Outcomes: How Is the Gut Microbiota Involved? Pharmaceuticals (Basel) 2024; 17:236. [PMID: 38399451 PMCID: PMC10891971 DOI: 10.3390/ph17020236] [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: 12/29/2023] [Revised: 01/26/2024] [Accepted: 02/08/2024] [Indexed: 02/25/2024] Open
Abstract
Isoflavones are a group of (poly)phenols, also defined as phytoestrogens, with chemical structures comparable with estrogen, that exert weak estrogenic effects. These phytochemical compounds have been targeted for their proven antioxidant and protective effects. Recognizing the increasing prevalence of cardiovascular diseases (CVD), there is a growing interest in understanding the potential cardiovascular benefits associated with these phytochemical compounds. Gut microbiota may play a key role in mediating the effects of isoflavones on vascular and endothelial functions, as it is directly implicated in isoflavones metabolism. The findings from randomized clinical trials indicate that isoflavone supplementation may exert putative effects on vascular biomarkers among healthy individuals, but not among patients affected by cardiometabolic disorders. These results might be explained by the enzymatic transformation to which isoflavones are subjected by the gut microbiota, suggesting that a diverse composition of the microbiota may determine the diverse bioavailability of these compounds. Specifically, the conversion of isoflavones in equol-a microbiota-derived metabolite-seems to differ between individuals. Further studies are needed to clarify the intricate molecular mechanisms behind these contrasting results.
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Affiliation(s)
- Samuele Laudani
- Department of Biomedical and Biotechnological Sciences, University of Catania, 95123 Catania, Italy; (S.L.); (F.M.D.D.); (F.D.); (F.G.); (G.G.)
| | - Justyna Godos
- Department of Biomedical and Biotechnological Sciences, University of Catania, 95123 Catania, Italy; (S.L.); (F.M.D.D.); (F.D.); (F.G.); (G.G.)
| | - Giovanni Luca Romano
- Department of Medicine and Surgery, University of Enna “Kore”, 94100 Enna, Italy;
| | - Lucia Gozzo
- Clinical Pharmacology Unit/Regional Pharmacovigilance Centre, Azienda Ospedaliero Universitaria Policlinico “G. Rodolico-S. Marco”, 95123 Catania, Italy;
| | - Federica Martina Di Domenico
- Department of Biomedical and Biotechnological Sciences, University of Catania, 95123 Catania, Italy; (S.L.); (F.M.D.D.); (F.D.); (F.G.); (G.G.)
| | - Irma Dominguez Azpíroz
- Research Group on Food, Nutritional Biochemistry and Health, Universidad Europea del Atlántico, Isabel Torres 21, 39011 Santander, Spain; (I.D.A.); (R.M.D.); (F.G.); (J.L.Q.); (M.B.)
- Universidade Internacional do Cuanza, Cuito EN250, Angola
- Universidad de La Romana, La Romana 22000, Dominican Republic
| | - Raquel Martínez Diaz
- Research Group on Food, Nutritional Biochemistry and Health, Universidad Europea del Atlántico, Isabel Torres 21, 39011 Santander, Spain; (I.D.A.); (R.M.D.); (F.G.); (J.L.Q.); (M.B.)
- Universidad Internacional Iberoamericana, Campeche 24560, Mexico
- Universidad Internacional Iberoamericana, Arecibo 00613, Puerto Rico
| | - Francesca Giampieri
- Research Group on Food, Nutritional Biochemistry and Health, Universidad Europea del Atlántico, Isabel Torres 21, 39011 Santander, Spain; (I.D.A.); (R.M.D.); (F.G.); (J.L.Q.); (M.B.)
- Department of Clinical Sciences, Università Politecnica delle Marche, 60131 Ancona, Italy
| | - José L. Quiles
- Research Group on Food, Nutritional Biochemistry and Health, Universidad Europea del Atlántico, Isabel Torres 21, 39011 Santander, Spain; (I.D.A.); (R.M.D.); (F.G.); (J.L.Q.); (M.B.)
- Department of Physiology, Institute of Nutrition and Food Technology “José Mataix”, Biomedical Research Center, University of Granada, 18016 Granada, Spain
- Research and Development Functional Food Centre (CIDAF), Health Science Technological Park, Avenida del Conocimiento 37, 18016 Granada, Spain
| | - Maurizio Battino
- Research Group on Food, Nutritional Biochemistry and Health, Universidad Europea del Atlántico, Isabel Torres 21, 39011 Santander, Spain; (I.D.A.); (R.M.D.); (F.G.); (J.L.Q.); (M.B.)
- Department of Clinical Sciences, Università Politecnica delle Marche, 60131 Ancona, Italy
- International Joint Research Laboratory of Intelligent Agriculture and Agri-Products Processing, Jiangsu University, Zhenjiang 212013, China
| | - Filippo Drago
- Department of Biomedical and Biotechnological Sciences, University of Catania, 95123 Catania, Italy; (S.L.); (F.M.D.D.); (F.D.); (F.G.); (G.G.)
| | - Fabio Galvano
- Department of Biomedical and Biotechnological Sciences, University of Catania, 95123 Catania, Italy; (S.L.); (F.M.D.D.); (F.D.); (F.G.); (G.G.)
| | - Giuseppe Grosso
- Department of Biomedical and Biotechnological Sciences, University of Catania, 95123 Catania, Italy; (S.L.); (F.M.D.D.); (F.D.); (F.G.); (G.G.)
- Center for Human Nutrition and Mediterranean Foods (NUTREA), University of Catania, 95123 Catania, Italy
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Cui L, Li S, Wang S, Wu X, Liu Y, Yu W, Wang Y, Tang Y, Xia M, Li B. Major depressive disorder: hypothesis, mechanism, prevention and treatment. Signal Transduct Target Ther 2024; 9:30. [PMID: 38331979 PMCID: PMC10853571 DOI: 10.1038/s41392-024-01738-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2023] [Revised: 12/24/2023] [Accepted: 12/28/2023] [Indexed: 02/10/2024] Open
Abstract
Worldwide, the incidence of major depressive disorder (MDD) is increasing annually, resulting in greater economic and social burdens. Moreover, the pathological mechanisms of MDD and the mechanisms underlying the effects of pharmacological treatments for MDD are complex and unclear, and additional diagnostic and therapeutic strategies for MDD still are needed. The currently widely accepted theories of MDD pathogenesis include the neurotransmitter and receptor hypothesis, hypothalamic-pituitary-adrenal (HPA) axis hypothesis, cytokine hypothesis, neuroplasticity hypothesis and systemic influence hypothesis, but these hypothesis cannot completely explain the pathological mechanism of MDD. Even it is still hard to adopt only one hypothesis to completely reveal the pathogenesis of MDD, thus in recent years, great progress has been made in elucidating the roles of multiple organ interactions in the pathogenesis MDD and identifying novel therapeutic approaches and multitarget modulatory strategies, further revealing the disease features of MDD. Furthermore, some newly discovered potential pharmacological targets and newly studied antidepressants have attracted widespread attention, some reagents have even been approved for clinical treatment and some novel therapeutic methods such as phototherapy and acupuncture have been discovered to have effective improvement for the depressive symptoms. In this work, we comprehensively summarize the latest research on the pathogenesis and diagnosis of MDD, preventive approaches and therapeutic medicines, as well as the related clinical trials.
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Affiliation(s)
- Lulu Cui
- Department of Forensic Analytical Toxicology, School of Forensic Medicine, China Medical University, Shenyang, China
- Liaoning Province Key Laboratory of Forensic Bio-evidence Sciences, Shenyang, China
- China Medical University Centre of Forensic Investigation, Shenyang, China
| | - Shu Li
- Department of Forensic Analytical Toxicology, School of Forensic Medicine, China Medical University, Shenyang, China
- Liaoning Province Key Laboratory of Forensic Bio-evidence Sciences, Shenyang, China
- China Medical University Centre of Forensic Investigation, Shenyang, China
| | - Siman Wang
- Department of Forensic Analytical Toxicology, School of Forensic Medicine, China Medical University, Shenyang, China
- Liaoning Province Key Laboratory of Forensic Bio-evidence Sciences, Shenyang, China
- China Medical University Centre of Forensic Investigation, Shenyang, China
| | - Xiafang Wu
- Department of Forensic Analytical Toxicology, School of Forensic Medicine, China Medical University, Shenyang, China
- Liaoning Province Key Laboratory of Forensic Bio-evidence Sciences, Shenyang, China
- China Medical University Centre of Forensic Investigation, Shenyang, China
| | - Yingyu Liu
- Department of Forensic Analytical Toxicology, School of Forensic Medicine, China Medical University, Shenyang, China
- Liaoning Province Key Laboratory of Forensic Bio-evidence Sciences, Shenyang, China
- China Medical University Centre of Forensic Investigation, Shenyang, China
| | - Weiyang Yu
- Department of Forensic Analytical Toxicology, School of Forensic Medicine, China Medical University, Shenyang, China
- Liaoning Province Key Laboratory of Forensic Bio-evidence Sciences, Shenyang, China
- China Medical University Centre of Forensic Investigation, Shenyang, China
| | - Yijun Wang
- Department of Forensic Analytical Toxicology, School of Forensic Medicine, China Medical University, Shenyang, China
- Liaoning Province Key Laboratory of Forensic Bio-evidence Sciences, Shenyang, China
- China Medical University Centre of Forensic Investigation, Shenyang, China
| | - Yong Tang
- International Joint Research Centre on Purinergic Signalling/Key Laboratory of Acupuncture for Senile Disease (Chengdu University of TCM), Ministry of Education/School of Health and Rehabilitation, Chengdu University of Traditional Chinese Medicine/Acupuncture and Chronobiology Key Laboratory of Sichuan Province, Chengdu, China
| | - Maosheng Xia
- Department of Orthopaedics, The First Hospital, China Medical University, Shenyang, China.
| | - Baoman Li
- Department of Forensic Analytical Toxicology, School of Forensic Medicine, China Medical University, Shenyang, China.
- Liaoning Province Key Laboratory of Forensic Bio-evidence Sciences, Shenyang, China.
- China Medical University Centre of Forensic Investigation, Shenyang, China.
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Zaparte A, Dore E, White S, Paliarin F, Gabriel C, Copenhaver K, Basavanhalli S, Garcia E, Vaddavalli R, Luo M, Taylor CM, Welsh D, Maiya R. Standard rodent diets differentially impact alcohol consumption and preference and gut microbiome diversity. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.02.06.579237. [PMID: 38370762 PMCID: PMC10871281 DOI: 10.1101/2024.02.06.579237] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/20/2024]
Abstract
Alcohol Use Disorder (AUD) is a complex and widespread disease with limited pharmacotherapies. Preclinical animal models of AUD use a variety of voluntary alcohol consumption procedures to recapitulate different phases of AUD including binge alcohol consumption and dependence. However, voluntary alcohol consumption in mice is widely variable rendering it difficult to reproduce results across labs. Accumulating evidence indicates that different brands of commercially available rodent chow can profoundly influence alcohol intake. In this study, we investigated the effects of three commercially available and widely used rodent diet formulations on alcohol consumption and preference in C57BL/6J mice using the 24h intermittent access procedure. The three brands of chow tested were LabDiet 5001 (LD 5001), LabDiet 5053 (LD 5053), and Teklad 2019S (TL2019S) from two companies (Research Diets and Envigo respectively). Mice fed LD5001 displayed the highest levels of alcohol consumption and preference followed by LD5053 and TL2019S. We also found that alcohol consumption and preference could be rapidly switched by changing the diet 48h prior to alcohol administration. Sucrose, saccharin, and quinine preference were not altered suggesting that the diets did not alter taste perception. We also found that mice fed LD5001 displayed increased quinine-resistant alcohol intake compared to mice fed TL2019S, suggesting that diets could influence the development of "compulsive" like alcohol consumption. We profiled the gut microbiome of water and alcohol drinking mice that were maintained on different diets and found significant differences in bacterial alpha and beta diversity, which could impact gut-brain axis signaling and alcohol consumption.
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Affiliation(s)
- Aline Zaparte
- Department of Microbiology, Immunology, and Parasitology, Louisiana State University Health Sciences Center, New Orleans
| | - Evan Dore
- Department of Physiology, Louisiana State University Health Sciences Center, New Orleans
| | - Selby White
- Department of Physiology, Louisiana State University Health Sciences Center, New Orleans
| | - Franciely Paliarin
- Department of Physiology, Louisiana State University Health Sciences Center, New Orleans
| | - Cameron Gabriel
- Department of Physiology, Louisiana State University Health Sciences Center, New Orleans
| | - Katherine Copenhaver
- Department of Physiology, Louisiana State University Health Sciences Center, New Orleans
| | - Samhita Basavanhalli
- Department of Physiology, Louisiana State University Health Sciences Center, New Orleans
| | - Emily Garcia
- Department of Physiology, Louisiana State University Health Sciences Center, New Orleans
| | - Rishith Vaddavalli
- Department of Physiology, Louisiana State University Health Sciences Center, New Orleans
| | - Meng Luo
- Department of Physiology, Louisiana State University Health Sciences Center, New Orleans
- Department of Microbiology, Immunology, and Parasitology, Louisiana State University Health Sciences Center, New Orleans
| | - Christopher M Taylor
- Department of Physiology, Louisiana State University Health Sciences Center, New Orleans
- Department of Microbiology, Immunology, and Parasitology, Louisiana State University Health Sciences Center, New Orleans
| | - David Welsh
- Department of Microbiology, Immunology, and Parasitology, Louisiana State University Health Sciences Center, New Orleans
| | - Rajani Maiya
- Department of Physiology, Louisiana State University Health Sciences Center, New Orleans
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40
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Kilinc OC, Kilinc A, Azman FN, Ardac S, Egeli B, Demirel OF, Ugurlu S. Anxiety and depression among patients with familial Mediterranean fever. Z Rheumatol 2024; 83:236-241. [PMID: 37957401 DOI: 10.1007/s00393-023-01445-z] [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] [Accepted: 10/07/2023] [Indexed: 11/15/2023]
Abstract
BACKGROUND Familial Mediterranean fever (FMF) is a systemic autoinflammatory disease that requires lifelong treatment and is associated with several comorbidities, including mental health disorders such as anxiety and depression. FMF and mental health necessitate further research; hence, this study aims to observe anxiety and depression and their relationship with several variables in patients with FMF. METHODS As the study population, 360 FMF patients were surveyed between June and October 2022. Surveys included inventories assessing anxiety and depression, i.e., the Beck's Depression Inventory (BDI), the Beck's Anxiety Inventory (BAI), and the State-Trait Anxiety Inventory (STAI). RESULTS Mean scores for STAI-Y1 (state), STAI-Y2 (trait), BAI, and BDI were 42.2 ± 12.0, 45.9 ± 10.6, 24.0 ± 13.9, and 13.1 ± 8.99, respectively. Medication-adherent patients had significantly lower scores on STAI-Y1 (41.5 ± 11.4 vs. 45.2 ± 14.0; p-value: 0.04). M694V homozygous patients exhibited significantly lower scores in the BDI (12.4 ± 9.37 vs. 13.2 ± 8.93; p-value: < 0.001) and BAI (17.0 ± 12.1 vs. 25.1 ± 13.9; p-value: 0.001). The patients with an exon-10 mutation demonstrated significantly lower scores compared to patients with an exon‑2 mutation (17.9 ± 12.3, 29.6 ± 13.3; p-value: < 0.001). CONCLUSION The patients with FMF had mild depression and moderate anxiety scores. A higher level of education and medication adherence were associated with lower levels of anxiety. Likewise, the patients with genotypes associated with severe disease courses had lower levels of anxiety. We suggest that physicians should be more attentive to patients with a milder disease course and ensure that these patients are provided with sufficient treatment and knowledge about their disease.
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Affiliation(s)
- Ozgur C Kilinc
- Division of Rheumatology, Department of Internal Medicine, Cerrahpasa Medical Faculty, Istanbul University-Cerrahpasa, 53 Kocamustafapasa Street, Fatih, 34098, Istanbul, Turkey
| | - Abdulmenaf Kilinc
- Division of Rheumatology, Department of Internal Medicine, Cerrahpasa Medical Faculty, Istanbul University-Cerrahpasa, 53 Kocamustafapasa Street, Fatih, 34098, Istanbul, Turkey
| | - Feyza N Azman
- Division of Rheumatology, Department of Internal Medicine, Cerrahpasa Medical Faculty, Istanbul University-Cerrahpasa, 53 Kocamustafapasa Street, Fatih, 34098, Istanbul, Turkey
| | - Selim Ardac
- Division of Rheumatology, Department of Internal Medicine, Cerrahpasa Medical Faculty, Istanbul University-Cerrahpasa, 53 Kocamustafapasa Street, Fatih, 34098, Istanbul, Turkey
| | - Bugra Egeli
- Department of Pediatrics, Children's Hospital Los Angeles, Los Angeles, USA
| | - Omer F Demirel
- Department of Psychiatry, Istanbul University-Cerrahpasa, Istanbul, Turkey
| | - Serdal Ugurlu
- Division of Rheumatology, Department of Internal Medicine, Cerrahpasa Medical Faculty, Istanbul University-Cerrahpasa, 53 Kocamustafapasa Street, Fatih, 34098, Istanbul, Turkey.
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Liu X, Li Y, Gu M, Xu T, Wang C, Chang P. Radiation enteropathy-related depression: A neglectable course of disease by gut bacterial dysbiosis. Cancer Med 2024; 13:e6865. [PMID: 38457257 PMCID: PMC10923036 DOI: 10.1002/cam4.6865] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2023] [Revised: 12/08/2023] [Accepted: 12/12/2023] [Indexed: 03/10/2024] Open
Abstract
Radiation enteropathy (RE) is common in patients treated with radiotherapy for pelvic-abdominal cancers. Accumulating data indicate that gut commensal bacteria determine intestinal radiosensitivity. Radiotherapy can result in gut bacterial dysbiosis. Gut bacterial dysbiosis contributes to the pathogenesis of RE. Mild to moderate depressive symptoms can be observed in patients with RE in clinical settings; however, the rate of these symptoms has not been reported. Studies have demonstrated that gut bacterial dysbiosis induces depression. In the state of comorbidity, RE and depression may be understood as local and abscopal manifestations of gut bacterial disorders. The ability of comorbid depression to worsen inflammatory bowel disease (IBD) has long been demonstrated and is associated with dysfunction of cholinergic neural anti-inflammatory pathways. There is a lack of direct evidence for RE comorbid with depression. It is widely accepted that RE shares similar pathophysiologic mechanisms with IBD. Therefore, we may be able to draw on the findings of the relationship between IBD and depression. This review will explore the relationship between gut bacteria, RE, and depression in light of the available evidence and indicate a method for investigating the mechanisms of RE combined with depression. We will also describe new developments in the treatment of RE with probiotics, prebiotics, and fecal microbial transplantation.
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Affiliation(s)
- Xinliang Liu
- Department of Radiation Oncology and TherapyThe First Hospital of Jilin UniversityChangchunChina
| | - Ying Li
- Department of Radiation Oncology and TherapyThe First Hospital of Jilin UniversityChangchunChina
| | - Meichen Gu
- Department of Radiation Oncology and TherapyThe First Hospital of Jilin UniversityChangchunChina
| | - Tiankai Xu
- Department of Radiation Oncology and TherapyThe First Hospital of Jilin UniversityChangchunChina
| | - Chuanlei Wang
- Department of Hepatobiliary and Pancreatic Surgery, General Surgery CenterThe First Hospital of Jilin UniversityChangchunChina
| | - Pengyu Chang
- Department of Radiation Oncology and TherapyThe First Hospital of Jilin UniversityChangchunChina
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Corriero A, Giglio M, Inchingolo F, Moschetta A, Varrassi G, Puntillo F. Gut Microbiota Modulation and Its Implications on Neuropathic Pain: A Comprehensive Literature Review. Pain Ther 2024; 13:33-51. [PMID: 38087070 PMCID: PMC10796891 DOI: 10.1007/s40122-023-00565-3] [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: 09/18/2023] [Accepted: 11/13/2023] [Indexed: 01/19/2024] Open
Abstract
Neuropathic pain (NP) is a chronic pain disorder arising from somatosensory nervous system impairment. Extensive evidence supports the notion that the gut microbiota (GM) is crucial in maintaining human health by performing vital tasks. At the same time, its disruption has been linked to the emergence and advancement of an expanding range of disorders, including NP, in which GM could play a role in its pathophysiology. The crosstalk between the nervous system and GM happens through immune mediators, metabolites, and nervous structures and involves both central and peripheral nervous systems. This literature review aims to thoroughly investigate the function of modulating GM in the treatment of NP. It will achieve this by integrating existing knowledge, identifying underlying mechanisms, and evaluating the possible clinical consequences of exploiting the gut-brain axis. We will cover the main therapeutic applications of the described GM-modulators, such as probiotics, faecal microbiota transplantation, dietary supplements and emotional support, to the main kinds of NP in which any evidence, even if only pre-clinical, has been unravelled in recent years. The explored NP areas include chemotherapy-induced peripheral neuropathy, diabetic neuropathy, trauma-induced neuropathic pain, trigeminal neuralgia, postherpetic neuralgia and low back pain.
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Affiliation(s)
- Alberto Corriero
- Department of Interdisciplinary Medicine - ICU Section, University of Bari "Aldo Moro", Piazza G. Cesare 11, 70124, Bari, Italy.
| | - Mariateresa Giglio
- Department of Interdisciplinary Medicine - ICU Section, University of Bari "Aldo Moro", Piazza G. Cesare 11, 70124, Bari, Italy
| | - Francesco Inchingolo
- Department of Interdisciplinary Medicine - Dental Medicine Section, University of Bari "Aldo Moro", 70124, Bari, Italy
| | - Antonio Moschetta
- Department of Interdisciplinary Medicine, University of Bari "Aldo Moro", Piazza Giulio Cesare 11, 70124, Bari, Italy
| | | | - Filomena Puntillo
- Department of Interdisciplinary Medicine - ICU Section, University of Bari "Aldo Moro", Piazza G. Cesare 11, 70124, Bari, Italy.
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43
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Wang M, Song Z, Lai S, Tang F, Dou L, Yang F. Depression-associated gut microbes, metabolites and clinical trials. Front Microbiol 2024; 15:1292004. [PMID: 38357350 PMCID: PMC10864537 DOI: 10.3389/fmicb.2024.1292004] [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: 09/10/2023] [Accepted: 01/16/2024] [Indexed: 02/16/2024] Open
Abstract
Depression is one of the most prevalent mental disorders today. Over the past decade, there has been considerable attention given to the field of gut microbiota associated with depression. A substantial body of research indicates a bidirectional communication pathway between gut microbiota and the brain. In this review, we extensively detail the correlation between gut microbiota, including Lactobacillus acidophilus and Bifidobacterium longum, and metabolites such as short-chain fatty acids (SCFAs) and 5-hydroxytryptamine (5-HT) concerning depression. Furthermore, we delve into the potential health benefits of microbiome-targeted therapies, encompassing probiotics, prebiotics, and synbiotics, in alleviating depression. Lastly, we underscore the importance of employing a constraint-based modeling framework in the era of systems medicine to contextualize metabolomic measurements and integrate multi-omics data. This approach can offer valuable insights into the complex metabolic host-microbiota interactions, enabling personalized recommendations for potential biomarkers, novel drugs, and treatments for depression.
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Affiliation(s)
- Meiling Wang
- Department of Bioinformatics, Fujian Key Laboratory of Medical Bioinformatics, School of Medical Technology and Engineering, Fujian Medical University, Fuzhou, China
| | - Zhaoqi Song
- Department of Bioinformatics, Fujian Key Laboratory of Medical Bioinformatics, School of Medical Technology and Engineering, Fujian Medical University, Fuzhou, China
| | - Shirong Lai
- Department of Bioinformatics, Fujian Key Laboratory of Medical Bioinformatics, School of Medical Technology and Engineering, Fujian Medical University, Fuzhou, China
| | - Furong Tang
- Department of Basic Medical Sciences, School of Medicine, Tsinghua University, Beijing, China
| | - Lijun Dou
- Genomic Medicine Institute, Lerner Research Institute, Cleveland, OH, United States
| | - Fenglong Yang
- Department of Bioinformatics, Fujian Key Laboratory of Medical Bioinformatics, School of Medical Technology and Engineering, Fujian Medical University, Fuzhou, China
- Key Laboratory of Ministry of Education for Gastrointestinal Cancer, School of Basic Medical Sciences, Fujian Medical University, Fuzhou, China
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Bhuvaneshwar K, Gusev Y. Translational bioinformatics and data science for biomarker discovery in mental health: an analytical review. Brief Bioinform 2024; 25:bbae098. [PMID: 38493340 PMCID: PMC10944574 DOI: 10.1093/bib/bbae098] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2023] [Revised: 01/23/2024] [Accepted: 02/18/2024] [Indexed: 03/18/2024] Open
Abstract
Translational bioinformatics and data science play a crucial role in biomarker discovery as it enables translational research and helps to bridge the gap between the bench research and the bedside clinical applications. Thanks to newer and faster molecular profiling technologies and reducing costs, there are many opportunities for researchers to explore the molecular and physiological mechanisms of diseases. Biomarker discovery enables researchers to better characterize patients, enables early detection and intervention/prevention and predicts treatment responses. Due to increasing prevalence and rising treatment costs, mental health (MH) disorders have become an important venue for biomarker discovery with the goal of improved patient diagnostics, treatment and care. Exploration of underlying biological mechanisms is the key to the understanding of pathogenesis and pathophysiology of MH disorders. In an effort to better understand the underlying mechanisms of MH disorders, we reviewed the major accomplishments in the MH space from a bioinformatics and data science perspective, summarized existing knowledge derived from molecular and cellular data and described challenges and areas of opportunities in this space.
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Affiliation(s)
- Krithika Bhuvaneshwar
- Innovation Center for Biomedical Informatics (ICBI), Georgetown University, Washington DC, 20007, USA
| | - Yuriy Gusev
- Innovation Center for Biomedical Informatics (ICBI), Georgetown University, Washington DC, 20007, USA
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Ghaffaripour Jahromi G, Razi S, Rezaei N. NLRP3 inflammatory pathway. Can we unlock depression? Brain Res 2024; 1822:148644. [PMID: 37871673 DOI: 10.1016/j.brainres.2023.148644] [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: 06/11/2023] [Revised: 10/13/2023] [Accepted: 10/20/2023] [Indexed: 10/25/2023]
Abstract
Depression holds the title of the largest contributor to worldwide disability, with the numbers expected to continue growing. Currently, there are neither reliable biomarkers for the diagnosis of the disease nor are the current medications sufficient for a lasting response in nearly half of patients. In this comprehensive review, we analyze the previously established pathophysiological models of the disease and how the interplay between NLRP3 inflammasome activation and depression might offer a unifying perspective. Adopting this inflammatory theory, we explain how NLRP3 inflammasome activation emerges as a pivotal contributor to depressive inflammation, substantiated by compelling evidence from both human studies and animal models. This inflammation is found in the central nervous system (CNS) neurons, astrocytes, and microglial cells. Remarkably, dysregulation of the NLRP3 inflammasome extends beyond the CNS boundaries and permeates into the enteric and peripheral immune systems, thereby altering the microbiota-gut-brain axis. The integrity of the brain blood barrier (BBB) and intestinal epithelial barrier (IEB) is also compromised by this inflammation. By emphasizing the central role of NLRP3 inflammasome activation in depression and its far-reaching implications, we go over each area with potential modulating mechanisms within the inflammasome pathway in hopes of finding new targets for more effective management of this debilitating condition.
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Affiliation(s)
- Ghazaleh Ghaffaripour Jahromi
- Neuroscience Research Center, Iran University of Medical Sciences, Tehran, Iran; Universal Scientific Education and Research Network (USERN), Tehran, Iran
| | - Sepideh Razi
- Cancer Immunology Project (CIP), Universal Scientific Education and Research Network (USERN), Tehran, Iran; Research Center for Immunodeficiencies, Children's Medical Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Nima Rezaei
- Research Center for Immunodeficiencies, Children's Medical Center, Tehran University of Medical Sciences, Tehran, Iran; Department of Immunology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran; Cancer Immunology Project (CIP), Universal Scientific Education and Research Network (USERN), Stockholm, Sweden.
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Shentu Y, Chen M, Wang H, Du X, Zhang W, Xie G, Zhou S, Ding L, Zhu Y, Zhu M, Zhang N, Du C, Ma J, Chen R, Yang J, Fan X, Gong Y, Zhang H, Fan J. Hydrogen sulfide ameliorates lipopolysaccharide-induced anxiety-like behavior by inhibiting checkpoint kinase 1 activation in the hippocampus of mice. Exp Neurol 2024; 371:114586. [PMID: 37898396 DOI: 10.1016/j.expneurol.2023.114586] [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: 08/25/2023] [Revised: 10/19/2023] [Accepted: 10/25/2023] [Indexed: 10/30/2023]
Abstract
Hydrogen sulfide (H2S), an endogenous gasotransmitter, exhibits the anxiolytic roles through its anti-inflammatory effects, although its underlying mechanisms remain largely elusive. Emerging evidence has documented that cell cycle checkpoint kinase 1 (Chk1)-regulated DNA damage plays an important role in the neurodegenerative diseases; however, there are few relevant reports on the research of Chk1 in neuropsychiatric diseases. Here, we aimed to investigate the regulatory role of H2S on Chk1 in lipopolysaccharide (LPS)-induced anxiety-like behavior focusing on inflammasome activation in the hippocampus. Cystathionine γ-lyase (CSE, a H2S-producing enzyme) knockout (CSE-/-) mice displayed anxiety-like behavior and activation of inflammasome-mediated inflammatory responses, manifesting by the increase levels of interleukin-1β (IL-1β), IL-6, and ionized calcium-binding adaptor molecule-1 (Iba-1, microglia marker) expression in the hippocampus. Importantly, expression of p-Chk1 and γ-H2AX (DNA damage marker) levels were also increased in the hippocampus of CSE-/- mice. LPS treatment decreased the expression of CSE and CBS while increased p-Chk1 and γ-H2AX levels and inflammasome-activated neuroinflammation in the hippocampus of mice. Moreover, p-Chk1 and γ-H2AX protein levels and cellular immunoactivity were significantly increased while CSE and CBS were markedly decreased in cultured BV2 cells followed by LPS treatment. Treatment of mice with GYY4137, a donor of H2S, inhibited LPS-induced increased in p-Chk1 and γ-H2AX levels, mitigated inflammasome activation and inflammatory responses as well as amelioration of anxiety-like behavior. Notably, SB-218078, a selective Chk1 inhibitor treatment attenuated the effect of LPS on inflammasome activation and inflammatory responses and the induction of anxiety-like behavior. Finally, STAT3 knockdown with AAV-STAT3 shRNA alleviated LPS-induced anxiety-like behavior and inhibited inflammasome activation in the hippocampus, and blockade of NLRP3 with MCC950 attenuated neuroinflammation induction and ameliorated LPS-induced anxiety-like behavior. Overall, this study indicates that downregulation of Chk1 activity by H2S activation may be considered as a valid strategy for preventing the progression of LPS-induced anxiety-like behavior.
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Affiliation(s)
- Yangping Shentu
- Department of Pathology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325000, China
| | - Mengfan Chen
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang 325035, China
| | - Hui Wang
- Institute of Hypoxia Medicine, School of Basic Medical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang 325035, China
| | - Xiaotong Du
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang 325035, China; Institute of Cixi Biomedical Research, Wenzhou Medical University, Cixi, Zhejiang 315302, China
| | - Wenjing Zhang
- Renji College, Wenzhou Medical University, Wenzhou, Zhejiang 325035, China
| | - Guizhen Xie
- Institute of Hypoxia Medicine, School of Basic Medical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang 325035, China
| | - Shaoyan Zhou
- Institute of Hypoxia Medicine, School of Basic Medical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang 325035, China
| | - Lu Ding
- Institute of Hypoxia Medicine, School of Basic Medical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang 325035, China
| | - Yun Zhu
- Department of Pathology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325000, China
| | - Min Zhu
- Institute of Hypoxia Medicine, School of Basic Medical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang 325035, China
| | - Nan Zhang
- Institute of Hypoxia Medicine, School of Basic Medical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang 325035, China
| | - Congkuo Du
- Institute of Hypoxia Medicine, School of Basic Medical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang 325035, China
| | - Jianshe Ma
- Institute of Hypoxia Medicine, School of Basic Medical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang 325035, China
| | - Ran Chen
- Institute of Hypoxia Medicine, School of Basic Medical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang 325035, China
| | - Jinge Yang
- Department of Medical Technology, Jiangxi Medical College, Shangrao, Jiangxi 334709, China
| | - Xiaofang Fan
- Institute of Hypoxia Medicine, School of Basic Medical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang 325035, China
| | - Yongsheng Gong
- Institute of Hypoxia Medicine, School of Basic Medical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang 325035, China.
| | - Hongyu Zhang
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang 325035, China; Institute of Cixi Biomedical Research, Wenzhou Medical University, Cixi, Zhejiang 315302, China.
| | - Junming Fan
- Institute of Hypoxia Medicine, School of Basic Medical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang 325035, China; Institute of Cixi Biomedical Research, Wenzhou Medical University, Cixi, Zhejiang 315302, China.
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He H, He H, Mo L, You Z, Zhang J. Priming of microglia with dysfunctional gut microbiota impairs hippocampal neurogenesis and fosters stress vulnerability of mice. Brain Behav Immun 2024; 115:280-294. [PMID: 37914097 DOI: 10.1016/j.bbi.2023.10.031] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/11/2023] [Revised: 10/26/2023] [Accepted: 10/29/2023] [Indexed: 11/03/2023] Open
Abstract
BACKGROUND Mental disorders may be involved in neuroinflammatory processes that are triggered by gut microbiota. How gut microbiota influence microglia-mediated sensitivity to stress remains unclear. Here we explored in an animal model of depression whether disruption of the gut microbiome primes hippocampal microglia, thereby impairing neurogenesis and sensitizing to stress. METHODS Male C57BL/6J mice were exposed to chronic unpredictable mild stress (CUMS) for 4 weeks, and effects on gut microbiota were assessed using 16S rRNA sequencing. Fecal microbiota was transplanted from control or CUMS mice into naïve animals. The depression-like behaviors of recipients were evaluated in a forced swimming test and sucrose preference test. The morphology and phenotype of microglia in the hippocampus of recipients were examined using immunohistochemistry, quantitative PCR, and enzyme-linked immunosorbent assays. The recipients were treated with lipopolysaccharide or chronic stress exposure, and effects were evaluated on behavior, microglial responses and hippocampal neurogenesis. Finally, we explored the ability of minocycline to reverse the effects of CUMS on hippocampal neurogenesis and stress sensitivity in recipients. RESULTS CUMS altered the gut microbiome, leading to higher relative abundance of some bacteria (Helicobacter, Bacteroides, and Desulfovibrio) and lower relative abundance of some bacteria (Lactobacillus, Bifidobacterium, and Akkermansia). Fecal microbiota transplantation from CUMS mice to naïve animals induced microglial priming in the dentate gyrus of recipients. This microglia showed hyper-ramified morphology, and became more sensitive to LPS challenge or chronic stress, which characterized by more significant morphological changes and inflammatory responses, as well as impaired hippocampal neurogenesis and increased depressive-like behaviors. Giving minocycline to recipients reversed these effects of fecal transplantation. CONCLUSIONS These findings suggest that gut microbiota from stressed animals can induce microglial priming in the dentate gyrus, which is associated with a hyper-immune response to stress and impaired hippocampal neurogenesis. Remodeling the gut microbiome or inhibiting microglial priming may be strategies to reduce sensitivity to stress.
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Affiliation(s)
- Hui He
- Center of Psychosomatic Medicine, Sichuan Provincial Center for Mental Health, School of Life Science and Technology, University of Electronic Science and Technology of China, Chengdu 610054, China
| | - Haili He
- Guizhou University of Traditional Chinese Medicine, Guiyang 550025, China
| | - Li Mo
- Center of Psychosomatic Medicine, Sichuan Provincial Center for Mental Health, School of Life Science and Technology, University of Electronic Science and Technology of China, Chengdu 610054, China
| | - Zili You
- Center of Psychosomatic Medicine, Sichuan Provincial Center for Mental Health, School of Life Science and Technology, University of Electronic Science and Technology of China, Chengdu 610054, China.
| | - Jinqiang Zhang
- Guizhou University of Traditional Chinese Medicine, Guiyang 550025, China.
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Zhang M, Pi Y, Ma L, Li F, Luo J, Cai Y, Wu Y, Liu M, Dai Y, Zheng F, Yue H. Effects of ginseng on short-chain fatty acids and intestinal microbiota in rats with spleen-qi deficiency based on gas chromatography-mass spectrometry and 16s rRNA technology. RAPID COMMUNICATIONS IN MASS SPECTROMETRY : RCM 2023; 37:e9640. [PMID: 37942687 DOI: 10.1002/rcm.9640] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Revised: 08/11/2023] [Accepted: 08/29/2023] [Indexed: 11/10/2023]
Abstract
RATIONALE Spleen-qi deficiency syndrome, a common weakness syndrome in traditional Chinese medicine, results from insufficient spleen-qi levels. For centuries, ginseng has been relied upon as a traditional Chinese medicine to treat spleen-qi deficiency syndrome. Until now, the mechanism feature of ginseng in treating temper deficiency through intestinal bacteria and short-chain fatty acid (SCFA) metabolites has not been fully elucidated. METHODS This study established a rat model of spleen-qi deficiency via multi-factor compound modeling that involved fatigue injury and a controlled diet. The content of SCFAs between different treatment groups was determined by gas chromatography-mass spectrometry. And the 16s rRNA sequencing technology was applied to reveal the effects of ginseng on the intestinal microecological environment of the rats. RESULTS It was found that the ginseng treatment group exhibited the most remarkable regulatory effect on propionic acid, surpassing all other administration groups. Ginseng increased the relative abundance of beneficial bacteria and decreased that of harmful bacteria at the genus level in rats with spleen-qi deficiency syndrome. And propionic acid is significantly positively correlated with Lactobacillus level and significantly negatively correlated with uncultured_bacterium_f_Muribaculaceae (p < 0.05). n-Butyric acid is negatively correlated with the Faecalibaculum level (p < 0.01). n-Valeric acid is significantly negatively correlated with the Romboutsia level (p < 0.01). CONCLUSION The mechanism of ginseng treatment for spleen-qi deficiency is elucidated from the perspective of gut microbiota and its metabolite SCFAs. It provides a new way for further development and utilization of ginseng and a theoretical basis.
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Affiliation(s)
- Meiyu Zhang
- Changchun University of Chinese Medicine, Changchun, China
| | - Yijun Pi
- Changchun University of Chinese Medicine, Changchun, China
| | - Liting Ma
- Changchun University of Chinese Medicine, Changchun, China
| | - Fangtong Li
- Changchun University of Chinese Medicine, Changchun, China
| | - Jing Luo
- Changchun University of Chinese Medicine, Changchun, China
| | - Yongyu Cai
- Changchun University of Chinese Medicine, Changchun, China
| | - Yongxi Wu
- Changchun University of Chinese Medicine, Changchun, China
| | - Ming Liu
- Changchun University of Chinese Medicine, Changchun, China
| | - Yulin Dai
- Changchun University of Chinese Medicine, Changchun, China
| | - Fei Zheng
- Changchun University of Chinese Medicine, Changchun, China
| | - Hao Yue
- Changchun University of Chinese Medicine, Changchun, China
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Nohesara S, Abdolmaleky HM, Zhou JR, Thiagalingam S. Microbiota-Induced Epigenetic Alterations in Depressive Disorders Are Targets for Nutritional and Probiotic Therapies. Genes (Basel) 2023; 14:2217. [PMID: 38137038 PMCID: PMC10742434 DOI: 10.3390/genes14122217] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2023] [Revised: 12/08/2023] [Accepted: 12/11/2023] [Indexed: 12/24/2023] Open
Abstract
Major depressive disorder (MDD) is a complex disorder and a leading cause of disability in 280 million people worldwide. Many environmental factors, such as microbes, drugs, and diet, are involved in the pathogenesis of depressive disorders. However, the underlying mechanisms of depression are complex and include the interaction of genetics with epigenetics and the host immune system. Modifications of the gut microbiome and its metabolites influence stress-related responses and social behavior in patients with depressive disorders by modulating the maturation of immune cells and neurogenesis in the brain mediated by epigenetic modifications. Here, we discuss the potential roles of a leaky gut in the development of depressive disorders via changes in gut microbiota-derived metabolites with epigenetic effects. Next, we will deliberate how altering the gut microbiome composition contributes to the development of depressive disorders via epigenetic alterations. In particular, we focus on how microbiota-derived metabolites such as butyrate as an epigenetic modifier, probiotics, maternal diet, polyphenols, drugs (e.g., antipsychotics, antidepressants, and antibiotics), and fecal microbiota transplantation could positively alleviate depressive-like behaviors by modulating the epigenetic landscape. Finally, we will discuss challenges associated with recent therapeutic approaches for depressive disorders via microbiome-related epigenetic shifts, as well as opportunities to tackle such problems.
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Affiliation(s)
- Shabnam Nohesara
- Department of Medicine (Biomedical Genetics), Boston University Chobanian & Avedisian School of Medicine, Boston, MA 02118, USA;
| | - Hamid Mostafavi Abdolmaleky
- Nutrition/Metabolism Laboratory, Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boson, MA 02215, USA;
| | - Jin-Rong Zhou
- Nutrition/Metabolism Laboratory, Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boson, MA 02215, USA;
| | - Sam Thiagalingam
- Department of Medicine (Biomedical Genetics), Boston University Chobanian & Avedisian School of Medicine, Boston, MA 02118, USA;
- Department of Pathology & Laboratory Medicine, Boston University Chobanian & Avedisian School of Medicine, Boston, MA 02118, USA
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Shevchenko A, Shalaginova I, Katserov D, Matskova L, Shiryaeva N, Dyuzhikova N. Post-stress changes in the gut microbiome composition in rats with different levels of nervous system excitability. PLoS One 2023; 18:e0295709. [PMID: 38079399 PMCID: PMC10712864 DOI: 10.1371/journal.pone.0295709] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2023] [Accepted: 11/26/2023] [Indexed: 12/18/2023] Open
Abstract
The gut-brain axis is a critical communication system influencing the interactions between the gastrointestinal tract (GI) and the central nervous system (CNS). The gut microbiota plays a significant role in this axis, affecting the development and function of the nervous system. Stress-induced psychopathologies, such as depression and anxiety, have been linked to the gut microbiota, but underlying mechanisms and genetic susceptibility remain unclear. In this study, we examined stress-induced changes in the gut microbiome composition in two rat strains with different levels of nervous system excitability: high threshold (HT strain) and low threshold (LT strain). Rats were exposed to long-term emotional and painful stress using the Hecht protocol, and fecal samples were collected at multiple time points before and after stress exposure. Using 16S rRNA amplicon sequencing, we assessed the qualitative and quantitative changes in the gut microbiota. Our results revealed distinct microbial diversity between the two rat strains, with the HT strain displaying higher diversity compared to the LT strain. Notably, under prolonged stress, the HT strain showed an increase in relative abundance of microorganisms from the genera Faecalibacterium and Prevotella in fecal samples. Additionally, both strains exhibited a decrease in Lactobacillus abundance following stress exposure. Our findings provide valuable insights into the impact of hereditary nervous system excitability on the gut microbiome composition under stress conditions. Understanding the gut-brain interactions in response to stress may open new avenues for comprehending stress-related psychopathologies and developing potential therapeutic interventions targeted at the gut microbiota. However, further research is needed to elucidate the exact mechanisms underlying these changes and their implications for stress-induced disorders. Overall, this study contributes to the growing body of knowledge on the gut-brain axis and its significance in stress-related neurobiology.
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Affiliation(s)
- Alla Shevchenko
- Educational and Scientific Cluster “Institute of Medicine and Life Sciences (MEDBIO)”, Immanuel Kant Baltic Federal University, Kaliningrad, Russia
| | - Irina Shalaginova
- Educational and Scientific Cluster “Institute of Medicine and Life Sciences (MEDBIO)”, Immanuel Kant Baltic Federal University, Kaliningrad, Russia
| | - Dmitriy Katserov
- Educational and Scientific Cluster “Institute of Medicine and Life Sciences (MEDBIO)”, Immanuel Kant Baltic Federal University, Kaliningrad, Russia
| | - Ludmila Matskova
- Department of Microbiology, Tumor and Cell Biology, Karolinska Institutet, Stockholm, Sweden
| | - Natalia Shiryaeva
- Pavlov Institute of Physiology of the Russian Academy of Sciences, Saint-Petersburg, Russia
| | - Natalia Dyuzhikova
- Pavlov Institute of Physiology of the Russian Academy of Sciences, Saint-Petersburg, Russia
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