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Han Q, Li W, Chen P, Wang L, Bao X, Huang R, Liu G, Chen X. Microglial NLRP3 inflammasome-mediated neuroinflammation and therapeutic strategies in depression. Neural Regen Res 2024; 19:1890-1898. [PMID: 38227513 DOI: 10.4103/1673-5374.390964] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2023] [Accepted: 09/22/2023] [Indexed: 01/17/2024] Open
Abstract
Previous studies have demonstrated a bidirectional relationship between inflammation and depression. Activation of the nucleotide-binding oligomerization domain, leucine-rich repeat, and NLR family pyrin domain-containing 3 (NLRP3) inflammasomes is closely related to the pathogenesis of various neurological diseases. In patients with major depressive disorder, NLRP3 inflammasome levels are significantly elevated. Understanding the role that NLRP3 inflammasome-mediated neuroinflammation plays in the pathogenesis of depression may be beneficial for future therapeutic strategies. In this review, we aimed to elucidate the mechanisms that lead to the activation of the NLRP3 inflammasome in depression as well as to provide insight into therapeutic strategies that target the NLRP3 inflammasome. Moreover, we outlined various therapeutic strategies that target the NLRP3 inflammasome, including NLRP3 inflammatory pathway inhibitors, natural compounds, and other therapeutic compounds that have been shown to be effective in treating depression. Additionally, we summarized the application of NLRP3 inflammasome inhibitors in clinical trials related to depression. Currently, there is a scarcity of clinical trials dedicated to investigating the applications of NLRP3 inflammasome inhibitors in depression treatment. The modulation of NLRP3 inflammasomes in microglia holds promise for the management of depression. Further investigations are necessary to ascertain the efficacy and safety of these therapeutic approaches as potential novel antidepressant treatments.
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Affiliation(s)
- Qiuqin Han
- Department of Scientific Research, Shanghai University of Medicine & Health Sciences Affiliated Zhoupu Hospital, Shanghai, China
| | - Wenhui Li
- Department of Scientific Research, Shanghai University of Medicine & Health Sciences Affiliated Zhoupu Hospital, Shanghai, China
| | - Peiqing Chen
- Department of Scientific Research, Shanghai University of Medicine & Health Sciences Affiliated Zhoupu Hospital, Shanghai, China
| | - Lijuan Wang
- Department of Scientific Research, Shanghai University of Medicine & Health Sciences Affiliated Zhoupu Hospital, Shanghai, China
| | - Xiwen Bao
- Department of Scientific Research, Shanghai University of Medicine & Health Sciences Affiliated Zhoupu Hospital, Shanghai, China
| | - Renyan Huang
- Department of Traditional Chinese Vascular Surgery, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Guobin Liu
- Department of Traditional Chinese Vascular Surgery, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Xiaorong Chen
- Department of Physiology, Laboratory of Neurodegenerative Diseases, Changzhi Medical College, Changzhi, Shanxi Province, China
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2
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Stratton JA, Nolte MJ, Payseur BA. Genetics of behavioural evolution in giant mice from Gough Island. Proc Biol Sci 2023; 290:20222603. [PMID: 37161324 PMCID: PMC10170209 DOI: 10.1098/rspb.2022.2603] [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: 12/30/2022] [Accepted: 04/14/2023] [Indexed: 05/11/2023] Open
Abstract
The evolution of behaviour on islands is a pervasive phenomenon that contributed to Darwin's theory of natural selection. Island populations frequently show increased boldness and exploration compared with their mainland counterparts. Despite the generality of this pattern, the genetic basis of island-associated behaviours remains a mystery. To address this gap in knowledge, we genetically dissected behaviour in 613 F2s generated by crossing inbred mouse strains from Gough Island (where they live without predators or human commensals) and a mainland conspecific. We used open field and light/dark box tests to measure seven behaviours related to boldness and exploration in juveniles and adults. Across all assays, we identified a total of 41 quantitative trait loci (QTL) influencing boldness and exploration. QTL have moderate effects and are often unique to specific behaviours or ages. Function-valued trait mapping revealed changes in estimated effects of QTL during assays, providing a rare dynamic window into the genetics of behaviour often missed by standard approaches. The genomic locations of QTL are distinct from those found in laboratory strains of mice, indicating different genetic paths to the evolution of similar behaviours. We combine our mapping results with extensive phenotypic and genetic information available for laboratory mice to nominate candidate genes for the evolution of behaviour on islands.
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Affiliation(s)
- Jered A. Stratton
- Laboratory of Genetics, University of Wisconsin-Madison, Madison, WI 53706, USA
| | - Mark J. Nolte
- Laboratory of Genetics, University of Wisconsin-Madison, Madison, WI 53706, USA
| | - Bret A. Payseur
- Laboratory of Genetics, University of Wisconsin-Madison, Madison, WI 53706, USA
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3
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Jaljuli I, Kafkafi N, Giladi E, Golani I, Gozes I, Chesler EJ, Bogue MA, Benjamini Y. A multi-lab experimental assessment reveals that replicability can be improved by using empirical estimates of genotype-by-lab interaction. PLoS Biol 2023; 21:e3002082. [PMID: 37126512 PMCID: PMC10174519 DOI: 10.1371/journal.pbio.3002082] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2022] [Revised: 05/11/2023] [Accepted: 03/15/2023] [Indexed: 05/02/2023] Open
Abstract
The utility of mouse and rat studies critically depends on their replicability in other laboratories. A widely advocated approach to improving replicability is through the rigorous control of predefined animal or experimental conditions, known as standardization. However, this approach limits the generalizability of the findings to only to the standardized conditions and is a potential cause rather than solution to what has been called a replicability crisis. Alternative strategies include estimating the heterogeneity of effects across laboratories, either through designs that vary testing conditions, or by direct statistical analysis of laboratory variation. We previously evaluated our statistical approach for estimating the interlaboratory replicability of a single laboratory discovery. Those results, however, were from a well-coordinated, multi-lab phenotyping study and did not extend to the more realistic setting in which laboratories are operating independently of each other. Here, we sought to test our statistical approach as a realistic prospective experiment, in mice, using 152 results from 5 independent published studies deposited in the Mouse Phenome Database (MPD). In independent replication experiments at 3 laboratories, we found that 53 of the results were replicable, so the other 99 were considered non-replicable. Of the 99 non-replicable results, 59 were statistically significant (at 0.05) in their original single-lab analysis, putting the probability that a single-lab statistical discovery was made even though it is non-replicable, at 59.6%. We then introduced the dimensionless "Genotype-by-Laboratory" (GxL) factor-the ratio between the standard deviations of the GxL interaction and the standard deviation within groups. Using the GxL factor reduced the number of single-lab statistical discoveries and alongside reduced the probability of a non-replicable result to be discovered in the single lab to 12.1%. Such reduction naturally leads to reduced power to make replicable discoveries, but this reduction was small (from 87% to 66%), indicating the small price paid for the large improvement in replicability. Tools and data needed for the above GxL adjustment are publicly available at the MPD and will become increasingly useful as the range of assays and testing conditions in this resource increases.
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Affiliation(s)
- Iman Jaljuli
- Department of Statistics and Operations Research, Tel-Aviv University, Tel-Aviv, Israel
- Department of Epidemiology and Biostatistics, Memorial Sloan Kettering Cancer Center, New York, New York, United States of America
| | - Neri Kafkafi
- Department of Statistics and Operations Research, Tel-Aviv University, Tel-Aviv, Israel
- School of Zoology, Faculty of Life Sciences, Tel Aviv University, Tel Aviv, Israel
| | - Eliezer Giladi
- The Elton Laboratory for Molecular Neuroendocrinology, Department of Human Molecular Genetics and Biochemistry, Sackler Faculty of Medicine, Sagol School of Neuroscience and Adams Super Center for Brain Studies, Tel Aviv University, Tel Aviv, Israel
| | - Ilan Golani
- School of Zoology, Faculty of Life Sciences, Tel Aviv University, Tel Aviv, Israel
- The Sagol School of Neuroscience, Tel Aviv University, Tel Aviv, Israel
| | - Illana Gozes
- The Elton Laboratory for Molecular Neuroendocrinology, Department of Human Molecular Genetics and Biochemistry, Sackler Faculty of Medicine, Sagol School of Neuroscience and Adams Super Center for Brain Studies, Tel Aviv University, Tel Aviv, Israel
- The Sagol School of Neuroscience, Tel Aviv University, Tel Aviv, Israel
| | - Elissa J Chesler
- The Jackson Laboratory, Bar Harbor, Maine, United States of America
| | - Molly A Bogue
- The Jackson Laboratory, Bar Harbor, Maine, United States of America
| | - Yoav Benjamini
- Department of Statistics and Operations Research, Tel-Aviv University, Tel-Aviv, Israel
- The Sagol School of Neuroscience, Tel Aviv University, Tel Aviv, Israel
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4
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Acharya KD, Graham M, Raman H, Parakoyi AER, Corcoran A, Belete M, Ramaswamy B, Koul S, Sachar I, Derendorf K, Wilmer JB, Gottipati S, Tetel MJ. Estradiol-mediated protection against high-fat diet induced anxiety and obesity is associated with changes in the gut microbiota in female mice. Sci Rep 2023; 13:4776. [PMID: 36959275 PMCID: PMC10036463 DOI: 10.1038/s41598-023-31783-6] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Accepted: 03/17/2023] [Indexed: 03/25/2023] Open
Abstract
Decreased estrogens during menopause are associated with increased risk of anxiety, depression, type 2 diabetes and obesity. Similarly, depleting estrogens in rodents by ovariectomy, combined with a high-fat diet (HFD), increases anxiety and adiposity. How estrogens and diet interact to affect anxiety and metabolism is poorly understood. Mounting evidence indicates that gut microbiota influence anxiety and metabolism. Here, we investigated the effects of estradiol (E) and HFD on anxiety, metabolism, and their correlation with changes in gut microbiota in female mice. Adult C57BL/6J mice were ovariectomized, implanted with E or vehicle-containing capsules and fed a standard diet or HFD. Anxiety-like behavior was assessed and neuronal activation was measured by c-fos immunoreactivity throughout the brain using iDISCO. HFD increased anxiety-like behavior, while E reduced this HFD-dependent anxiogenic effect. Interestingly, E decreased neuronal activation in brain regions involved in anxiety and metabolism. E treatment also altered gut microbes, a subset of which were associated with anxiety-like behavior. These findings provide insight into gut microbiota-based therapies for anxiety and metabolic disorders associated with declining estrogens in menopausal women.
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Affiliation(s)
- Kalpana D Acharya
- Neuroscience Department, Wellesley College, Wellesley, MA, 02481, USA
| | - Madeline Graham
- Neuroscience Department, Wellesley College, Wellesley, MA, 02481, USA
| | - Harshini Raman
- Neuroscience Department, Wellesley College, Wellesley, MA, 02481, USA
| | | | - Alexis Corcoran
- Neuroscience Department, Wellesley College, Wellesley, MA, 02481, USA
| | - Merzu Belete
- Otsuka Pharmaceutical Development & Commercialization, Inc., Princeton, NJ, 08540, USA
| | - Bharath Ramaswamy
- Otsuka Pharmaceutical Development & Commercialization, Inc., Princeton, NJ, 08540, USA
| | - Shashikant Koul
- Otsuka Pharmaceutical Development & Commercialization, Inc., Princeton, NJ, 08540, USA
| | | | - Kevin Derendorf
- Otsuka Pharmaceutical Development & Commercialization, Inc., Princeton, NJ, 08540, USA
| | - Jeremy B Wilmer
- Department of Psychology, Wellesley College, Wellesley, MA, 02481, USA
| | - Srikanth Gottipati
- Otsuka Pharmaceutical Development & Commercialization, Inc., Princeton, NJ, 08540, USA
| | - Marc J Tetel
- Neuroscience Department, Wellesley College, Wellesley, MA, 02481, USA.
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5
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Engler-Chiurazzi EB, Chastain WH, Citron KK, Lambert LE, Kikkeri DN, Shrestha SS. Estrogen, the Peripheral Immune System and Major Depression – A Reproductive Lifespan Perspective. Front Behav Neurosci 2022; 16:850623. [PMID: 35493954 PMCID: PMC9051447 DOI: 10.3389/fnbeh.2022.850623] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2022] [Accepted: 03/17/2022] [Indexed: 12/01/2022] Open
Abstract
Major depression is a significant medical issue impacting millions of individuals worldwide. Identifying factors contributing to its manifestation has been a subject of intense investigation for decades and several targets have emerged including sex hormones and the immune system. Indeed, an extensive body of literature has demonstrated that sex hormones play a critical role in modulating brain function and impacting mental health, especially among female organisms. Emerging findings also indicate an inflammatory etiology of major depression, revealing new opportunities to supplement, or even supersede, currently available pharmacological interventions in some patient populations. Given the established sex differences in immunity and the profound impact of fluctuations of sex hormone levels on the immune system within the female, interrogating how the endocrine, nervous, and immune systems converge to impact women’s mental health is warranted. Here, we review the impacts of endogenous estrogens as well as exogenously administered estrogen-containing therapies on affect and immunity and discuss these observations in the context of distinct reproductive milestones across the female lifespan. A theoretical framework and important considerations for additional study in regards to mental health and major depression are provided.
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Affiliation(s)
- Elizabeth B. Engler-Chiurazzi
- Department of Neurosurgery, Clinical Neuroscience Research Center, Tulane Brain Institute, Tulane University School of Medicine, New Orleans, LA, United States
- Department of Neurology, Tulane University School of Medicine, New Orleans, LA, United States
- *Correspondence: Elizabeth B. Engler-Chiurazzi,
| | - Wesley H. Chastain
- Department of Neurosurgery, Clinical Neuroscience Research Center, Tulane Brain Institute, Tulane University School of Medicine, New Orleans, LA, United States
| | - Kailen K. Citron
- Department of Neurosurgery, Clinical Neuroscience Research Center, Tulane Brain Institute, Tulane University School of Medicine, New Orleans, LA, United States
| | - Lillian E. Lambert
- Department of Neurosurgery, Clinical Neuroscience Research Center, Tulane Brain Institute, Tulane University School of Medicine, New Orleans, LA, United States
| | - Divya N. Kikkeri
- Department of Neurosurgery, Clinical Neuroscience Research Center, Tulane Brain Institute, Tulane University School of Medicine, New Orleans, LA, United States
| | - Sharhana S. Shrestha
- Department of Neurosurgery, Clinical Neuroscience Research Center, Tulane Brain Institute, Tulane University School of Medicine, New Orleans, LA, United States
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6
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Taxier LR, Philippi SM, York JM, LaDu MJ, Frick KM. APOE4 genotype or ovarian hormone loss influence open field exploration in an EFAD mouse model of Alzheimer's disease. Horm Behav 2022; 140:105124. [PMID: 35101701 PMCID: PMC8976745 DOI: 10.1016/j.yhbeh.2022.105124] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/21/2021] [Revised: 01/20/2022] [Accepted: 01/21/2022] [Indexed: 01/24/2023]
Abstract
Anxiety is a prominent and debilitating symptom in Alzheimer's disease (AD) patients. Carriers of APOE4, the greatest genetic risk factor for late-onset AD, may experience increased anxiety relative to carriers of other APOE genotypes. However, whether APOE4 genotype interacts with other AD risk factors to promote anxiety-like behaviors is less clear. Here, we used open field exploration to assess anxiety-like behavior in an EFAD mouse model of AD that expresses five familial AD mutations (5xFAD) and human APOE3 or APOE4. We first examined whether APOE4 genotype exacerbates anxiety-like exploratory behavior in the open field relative to APOE3 genotype in a sex-specific manner among six-month-old male and female E3FAD (APOE3+/+/5xFAD+/-) and E4FAD mice (APOE4+/+/5xFAD+/-). Next, we determined whether circulating ovarian hormone loss influences exploratory behavior in the open field among female E3FAD and E4FADs. APOE4 genotype was associated with decreased time in the center of the open field, particularly among female EFADs. Furthermore, ovariectomy (OVX) decreased time in the center of the open field among female E3FADs to levels similar to intact and OVXed E4FAD females. Our results suggest that APOE4 genotype increased anxiety-like behavior in the open field, and that ovarian hormones may protect against an anxiety-like phenotype in female E3FAD, but not E4FAD mice.
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Affiliation(s)
- Lisa R Taxier
- Department of Psychology, University of Wisconsin-Milwaukee, Milwaukee, WI 53211, United States of America.
| | - Sarah M Philippi
- Department of Psychology, University of Wisconsin-Milwaukee, Milwaukee, WI 53211, United States of America
| | - Jason M York
- Department of Anatomy and Cell Biology, University of Illinois at Chicago, Chicago, IL 60612, United States of America.
| | - Mary Jo LaDu
- Department of Anatomy and Cell Biology, University of Illinois at Chicago, Chicago, IL 60612, United States of America.
| | - Karyn M Frick
- Department of Psychology, University of Wisconsin-Milwaukee, Milwaukee, WI 53211, United States of America.
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7
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Grigoryan GA. Ovariectomy as a Model of Anxiety-Depressive Disorders. NEUROCHEM J+ 2022. [DOI: 10.1134/s1819712422010068] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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8
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Datta U, Schoenrock SE, Bubier JA, Bogue MA, Jentsch JD, Logan RW, Tarantino LM, Chesler EJ. Prospects for finding the mechanisms of sex differences in addiction with human and model organism genetic analysis. GENES, BRAIN, AND BEHAVIOR 2020; 19:e12645. [PMID: 32012419 PMCID: PMC7060801 DOI: 10.1111/gbb.12645] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/19/2019] [Revised: 01/26/2020] [Accepted: 01/27/2020] [Indexed: 02/06/2023]
Abstract
Despite substantial evidence for sex differences in addiction epidemiology, addiction-relevant behaviors and associated neurobiological phenomena, the mechanisms and implications of these differences remain unknown. Genetic analysis in model organism is a potentially powerful and effective means of discovering the mechanisms that underlie sex differences in addiction. Human genetic studies are beginning to show precise risk variants that influence the mechanisms of addiction but typically lack sufficient power or neurobiological mechanistic access, particularly for the discovery of the mechanisms that underlie sex differences. Our thesis in this review is that genetic variation in model organisms are a promising approach that can complement these investigations to show the biological mechanisms that underlie sex differences in addiction.
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Affiliation(s)
- Udita Datta
- Center for Systems Neurogenetics of Addiction, The Jackson LaboratoryBar HarborMaine
| | - Sarah E. Schoenrock
- Center for Systems Neurogenetics of Addiction, Department of GeneticsUniversity of North Carolina at Chapel HillChapel HillNorth Carolina
| | - Jason A. Bubier
- Center for Systems Neurogenetics of Addiction, The Jackson LaboratoryBar HarborMaine
| | - Molly A. Bogue
- Center for Systems Neurogenetics of Addiction, The Jackson LaboratoryBar HarborMaine
| | - James D. Jentsch
- Center for Systems Neurogenetics of Addiction, PsychologyState University of New York at BinghamtonBinghamtonNew York
| | - Ryan W. Logan
- Center for Systems Neurogenetics of Addiction, PsychiatryUniversity of Pittsburgh School of MedicinePittsburghPennsylvania
| | - Lisa M. Tarantino
- Center for Systems Neurogenetics of Addiction, Department of GeneticsUniversity of North Carolina at Chapel HillChapel HillNorth Carolina
| | - Elissa J. Chesler
- Center for Systems Neurogenetics of Addiction, The Jackson LaboratoryBar HarborMaine
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9
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Briones-Aranda A, Castellanos-Pérez M, Villa VMV, Picazo O. Impact of Exposure to Environmental Enrichment on the Anxiety-Like Behavior of Ovariectomized Mice. IRANIAN JOURNAL OF PSYCHIATRY 2020; 15:88-95. [PMID: 32377218 PMCID: PMC7193238] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
Abstract
Objective: The aim of this study was to explore the influence of short-term (2-week) exposure to social (SE) and/or physical enrichment (PE) on the anxiety-like behavior of ovariectomized (OVX) NIH Swiss mice. Method : One week after surgery, each OVX mouse was housed under one of 4 social conditions: (1) isolated, (2) accompanied by an intact female, (3) accompanied by an intact male, or (4) in a community of 10 OVX individuals. The animals in each of these environments were divided into 2 subgroups, consisting of the presence and absence of PE. Following a 2-week exposure to the respective conditions, each OVX mouse was subjected to either the light/dark exploration test (LDT) or the elevated plus maze (EPM) to examine anxiety-like behavior. Results: The LDT and EPM showed very similar patterns. Compared to an impoverished environment, PE elicited a significant anxiolytic effect for OVX mice housed alone or in companion of an intact female (F [1, 54] = 16.11, P = 0.001). By contrast, mice living in community but without PE displayed anxiogenic-like behavior, perhaps due to crowding, compared to the animals living in isolation (F [1, 36] = 5.64, P = 0.023). Conclusion: This study emphasized the importance of taking housing conditions into account during the screening of new anxiolytic agents and the critical role of OVX in the regulation of anxiety.
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Affiliation(s)
- Alfredo Briones-Aranda
- Pharmacology Laboratory, Faculty of Human Medicine, Autonomous University of Chiapas, Tuxtla Gutiérrez, Chiapas, México.,Corresponding Author: Address: Pharmacology Laboratory, School of Human Medicine, Autonomous University of Chiapas, Tuxtla Gutiérrez, Chiapas, México. Decima Sur Esquina Calle Central Sin Número, Colonia Centro, Tuxtla Gutiérrez Chiapas México, CP: 29050. Tel: 52-9616122292,
| | - Manuela Castellanos-Pérez
- Pharmacology Laboratory, Faculty of Human Medicine, Autonomous University of Chiapas, Tuxtla Gutiérrez, Chiapas, México
| | - Victor Manuel Vega- Villa
- Pharmacology Laboratory, Faculty of Human Medicine, Autonomous University of Chiapas, Tuxtla Gutiérrez, Chiapas, México
| | - Ofir Picazo
- Sección de Estudios de Posgrado e Investigación, Escuela Superior de Medicina, Instituto Politécnico Nacional, México City, México
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10
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Campos GV, de Souza AMA, Ji H, West CA, Wu X, Lee DL, Aguilar BL, Forcelli PA, de Menezes RC, Sandberg K. The Angiotensin Type 1 Receptor Antagonist Losartan Prevents Ovariectomy-Induced Cognitive Dysfunction and Anxiety-Like Behavior in Long Evans Rats. Cell Mol Neurobiol 2019; 40:407-420. [PMID: 31637567 PMCID: PMC7056686 DOI: 10.1007/s10571-019-00744-x] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2019] [Accepted: 10/06/2019] [Indexed: 12/23/2022]
Abstract
Women who have bilateral oophorectomies prior to the age of natural menopause are at increased risk of developing mild cognitive decline, dementia, anxiety, and depressive type disorders. Clinical and animal studies indicate angiotensin type 1 receptor (AT1R) blockers (ARBs) have blood pressure (BP)-independent neuroprotective effects. To investigate the potential use of ARBs in normotensive women at increased risk of developing neurocognitive problems, we studied a rat model of bilateral oophorectomy. Long Evans rats were sham-operated (Sham) or ovariectomized (Ovx) at 3 months of age and immediately treated continuously with vehicle (Veh) or the ARB losartan (Los) for the duration of the experiment. In contrast to many hypertensive rat models, ovariectomy did not increase mean arterial pressure (MAP) in these normotensive rats. Ovariectomized rats spent less time in the open arms of the elevated plus maze (EPM) [(% total time): Veh, 34.1 ± 5.1 vs. Ovx, 18.7 ± 4.4; p < 0.05] and in the center of the open field (OF) [(s): Veh, 11.1 ± 1.7 vs. Ovx, 6.64 ± 1.1; p < 0.05]. They also had worse performance in the novel object recognition (NOR) test as evidenced by a reduction in the recognition index [Veh, 0.62 ± 0.04 vs. Ovx, 0.45 ± 0.03; p < 0.05]. These adverse effects of ovariectomy were prevented by Los. Losartan also reduced plasma corticosterone in Ovx rats compared to Veh treatment [(ng/mL): Ovx–Veh, 238 ± 20 vs. Ovx–Los, 119 ± 42; p < 0.05]. Ovariectomy increased AT1R mRNA expression in the CA3 region of the hippocampus (Hc) [(copies x 106/µg RNA): Sham–Veh, 7.15 ± 0.87 vs. Ovx–Veh, 9.86 ± 1.7; p < 0.05]. These findings suggest the neuroprotective effects of this ARB in normotensive Ovx rats involve reduction of plasma corticosterone and blockade of increased AT1R activity in the hippocampus. These data suggest ARBs have therapeutic potential for normotensive women at increased risk of developing cognitive and behavioral dysfunction due to bilateral oophorectomy prior to the natural age of menopause.
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Affiliation(s)
- Glenda V Campos
- Department of Medicine, Georgetown University, Suite 232 Building D, 4000 Reservoir Road, NW, Washington, DC, 20057, USA.,Department of Biological Sciences, Federal University of Ouro Preto, Ouro Preto, Brazil
| | - Aline M A de Souza
- Department of Medicine, Georgetown University, Suite 232 Building D, 4000 Reservoir Road, NW, Washington, DC, 20057, USA
| | - Hong Ji
- Department of Medicine, Georgetown University, Suite 232 Building D, 4000 Reservoir Road, NW, Washington, DC, 20057, USA
| | - Crystal A West
- Department of Medicine, Georgetown University, Suite 232 Building D, 4000 Reservoir Road, NW, Washington, DC, 20057, USA
| | - Xie Wu
- Department of Medicine, Georgetown University, Suite 232 Building D, 4000 Reservoir Road, NW, Washington, DC, 20057, USA
| | - Dexter L Lee
- Department of Physiology, Howard University, Washington, DC, USA
| | - Brittany L Aguilar
- Department of Pharmacology and Physiology, Georgetown University, Washington, DC, USA
| | - Patrick A Forcelli
- Department of Pharmacology and Physiology, Georgetown University, Washington, DC, USA
| | - Rodrigo C de Menezes
- Department of Biological Sciences, Federal University of Ouro Preto, Ouro Preto, Brazil
| | - Kathryn Sandberg
- Department of Medicine, Georgetown University, Suite 232 Building D, 4000 Reservoir Road, NW, Washington, DC, 20057, USA.
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11
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Geuther BQ, Deats SP, Fox KJ, Murray SA, Braun RE, White JK, Chesler EJ, Lutz CM, Kumar V. Robust mouse tracking in complex environments using neural networks. Commun Biol 2019; 2:124. [PMID: 30937403 PMCID: PMC6440983 DOI: 10.1038/s42003-019-0362-1] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2018] [Accepted: 02/26/2019] [Indexed: 01/21/2023] Open
Abstract
The ability to track animals accurately is critical for behavioral experiments. For video-based assays, this is often accomplished by manipulating environmental conditions to increase contrast between the animal and the background in order to achieve proper foreground/background detection (segmentation). Modifying environmental conditions for experimental scalability opposes ethological relevance. The biobehavioral research community needs methods to monitor behaviors over long periods of time, under dynamic environmental conditions, and in animals that are genetically and behaviorally heterogeneous. To address this need, we applied a state-of-the-art neural network-based tracker for single mice. We compare three different neural network architectures across visually diverse mice and different environmental conditions. We find that an encoder-decoder segmentation neural network achieves high accuracy and speed with minimal training data. Furthermore, we provide a labeling interface, labeled training data, tuned hyperparameters, and a pretrained network for the behavior and neuroscience communities.
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Affiliation(s)
- Brian Q. Geuther
- The Jackson Laboratory, 600 Main Street, Bar Harbor, ME 04609 USA
| | - Sean P. Deats
- The Jackson Laboratory, 600 Main Street, Bar Harbor, ME 04609 USA
| | - Kai J. Fox
- The Jackson Laboratory, 600 Main Street, Bar Harbor, ME 04609 USA
| | - Steve A. Murray
- The Jackson Laboratory, 600 Main Street, Bar Harbor, ME 04609 USA
| | - Robert E. Braun
- The Jackson Laboratory, 600 Main Street, Bar Harbor, ME 04609 USA
| | | | | | - Cathleen M. Lutz
- The Jackson Laboratory, 600 Main Street, Bar Harbor, ME 04609 USA
| | - Vivek Kumar
- The Jackson Laboratory, 600 Main Street, Bar Harbor, ME 04609 USA
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Reciprocal F1 Hybrids of Two Inbred Mouse Strains Reveal Parent-of-Origin and Perinatal Diet Effects on Behavior and Expression. G3-GENES GENOMES GENETICS 2018; 8:3447-3468. [PMID: 30171036 PMCID: PMC6222572 DOI: 10.1534/g3.118.200135] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Parent-of-origin effects (POE) in mammals typically arise from maternal effects or imprinting. In some instances, such POE have been associated with psychiatric disorders, as well as with changes in a handful of animal behaviors. However, POE on complex traits such as behavior remain largely uncharacterized. Moreover, although both behavior and epigenetic effects are known to be modified by perinatal environmental exposures such as nutrient deficiency, the architecture of such environment-by-POE is mostly unexplored. To study POE and environment-by-POE, we employ a relatively neglected but especially powerful experimental system for POE-detection: reciprocal F1 hybrids (RF1s). We exposed female NOD/ShiLtJ×C57Bl/6J and C57Bl/6J×NOD/ShiLtJ mice, perinatally, to one of four different diets, then after weaning recorded a set of behaviors that model psychiatric disease. Whole-brain microarray expression data revealed an imprinting-enriched set of 15 genes subject to POE. The most-significant expression POE, on the non-imprinted gene Carmil1 (a.k.a. Lrrc16a), was validated using qPCR in the same and in a new set of mice. Several behaviors, especially locomotor behaviors, also showed POE. Bayesian mediation analysis suggested Carmil1 expression suppresses behavioral POE, and that the imprinted gene Airn suppresses POE on Carmil1 expression. A suggestive diet-by-POE was observed on percent center time in the open field test, and a significant diet-by-POE was observed on one imprinted gene, Mir341, and on 16 non-imprinted genes. The relatively small, tractable set of POE and diet-by-POE detected on behavior and expression here motivates further studies examining such effects across RF1s on multiple genetic backgrounds.
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Vogt MA, Pfeiffer N, Le Guisquet AM, Brandwein C, Brizard B, Gass P, Belzung C, Chourbaji S. May the use of different background strains 'strain' the stress-related phenotype of GR +/- mice? Behav Brain Res 2017; 335:71-79. [PMID: 28782590 DOI: 10.1016/j.bbr.2017.07.037] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2017] [Revised: 07/21/2017] [Accepted: 07/25/2017] [Indexed: 01/06/2023]
Abstract
Genetically altered mice are available on different background strains. While respective backcrosses are often performed for pragmatic reasons, e.g. references, comparability, or existing protocols, the interaction between the mutations per se and the background strain often remains a neglected factor. The heterozygous mutation of the glucocorticoid receptor gene (GR) represents a well-examined model for depressive-like behavior in mice. To address the question in how far a robust depressive-like phenotype on a distinct background strain may allow a generalized conclusion, we analyzed respective phenotypes in two commonly used inbred strains: i.) C57BL/6N and ii.) BALB/c. Beside the use of different genetic models, we also extended our approach by applying two alternative paradigms to induce a depressive-like phenotype. Our study therefore comprised the model of 'unpredictable chronic mild stress' (UCMS) for four weeks and 'learned helplessness' (LH), which were used to study the role of GR, a key player in the development of depression. In the course of the experiment two cohorts of male GR+/- mice on either C57BL/6N or BALB/c background strain underwent a behavioral test battery to assess basal and depressive-like features. While both stress paradigms were functional in inducing depressive-like changes, the results were strictly strain-dependent. The genetic consequences became even more obvious under non-stress conditions with significant effects detected in BALB/c mice, which indicates a different basal stress predisposition due to differences in the genetic background.
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Affiliation(s)
- Miriam A Vogt
- Interfaculty Biomedical Research Facility, University of Heidelberg, Heidelberg, Germany; Central Institute of Mental Health, RG Animal Models in Psychiatry, Medical Faculty of Mannheim/University of Heidelberg, Mannheim, Germany.
| | - Natascha Pfeiffer
- Central Institute of Mental Health, RG Animal Models in Psychiatry, Medical Faculty of Mannheim/University of Heidelberg, Mannheim, Germany
| | - Anne Marie Le Guisquet
- Brain & Imaging (INSERM - UMR 930), Université François Rabelais de Tours, Tours, France
| | - Christiane Brandwein
- Central Institute of Mental Health, RG Animal Models in Psychiatry, Medical Faculty of Mannheim/University of Heidelberg, Mannheim, Germany
| | - Bruno Brizard
- Brain & Imaging (INSERM - UMR 930), Université François Rabelais de Tours, Tours, France
| | - Peter Gass
- Central Institute of Mental Health, RG Animal Models in Psychiatry, Medical Faculty of Mannheim/University of Heidelberg, Mannheim, Germany
| | - Catherine Belzung
- Brain & Imaging (INSERM - UMR 930), Université François Rabelais de Tours, Tours, France
| | - Sabine Chourbaji
- Interfaculty Biomedical Research Facility, University of Heidelberg, Heidelberg, Germany; Central Institute of Mental Health, RG Animal Models in Psychiatry, Medical Faculty of Mannheim/University of Heidelberg, Mannheim, Germany
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Postpartum estrogen withdrawal impairs GABAergic inhibition and LTD induction in basolateral amygdala complex via down-regulation of GPR30. Eur Neuropsychopharmacol 2017; 27:759-772. [PMID: 28619359 DOI: 10.1016/j.euroneuro.2017.05.010] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/03/2016] [Revised: 03/22/2017] [Accepted: 05/29/2017] [Indexed: 01/22/2023]
Abstract
Postpartum estrogen (E2) withdrawal is known to be a particularly vulnerable time for depressive symptoms. In this study, ovariectomized (OVX) mice were treated with co-administration of estradiol benzoate and progesterone (E2/P4) followed by administration of E2 alone (E2) and a subsequent E2 withdrawal (EW) to mimic the hormonal changes during pregnancy and postpartum. The objective of this study was to investigate the influence of E2 withdrawal after hormone-simulated pregnancy on synaptic function and plasticity in basolateral amygdala complex (BLA). In comparison to control mice, EW mice spent less time in the central portion of open-field test and open arms of elevated plus-maze. Excitatory postsynaptic potentials (EPSPs) slopes at external capsule BLA synapse were reduced in E2/P4-mice, recovered in E2-mice, and increased in EW-mice. EW-mice showed a significant increase in duration of EPSPs and paired-pulse inhibition (PPI) with multi-spike responses of EPSPs and impairment of long-term depression (LTD) induction, which were corrected by GABAAR agonist muscimol. Levels of estrogen receptor (ER) GPR30, ERα and ERβ expression in BLA of EW-mice were lower than those in control mice. The bath-application of GPR30 agonist G-1 in BLA of EW-mice recovered the GABAAR-mediated inhibition and LTD indication, but ERβ agonist DPN or ERα agonist PPT could not. A single BLA-injection of G-1 rather than DPN or PPT in EW-mice could partially relieve the anxiety-like behaviors. The results indicate that postpartum E2 withdrawal causes dysfunction of GABAAR-mediated inhibition in the BLA through reducing GPR30 expression, which impairs LTD induction and causes anxiety-like behaviors.
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Chen HY, Lin YN, Chen WC, Wang SJ, Chen CJ, Chen YH. Urethral proteomic analysis in ovariectomized mice administered 17β-oestradiol replacement therapy. J OBSTET GYNAECOL 2017; 37:757-765. [DOI: 10.1080/01443615.2017.1292225] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Huey-Yi Chen
- Departments of Obstetrics and Gynecology, Medical Research, and Urology, Sex Hormone Research Center, China Medical University Hospital, Taichung, Taiwan
- Proteomics Core Laboratory, College of Chinese Medicine, Research Center for Chinese Medicine & Acupuncture, Graduate Institute of Integrated Medicine, China Medical University, Taichung, Taiwan
| | - Yu-Ning Lin
- Proteomics Core Laboratory, College of Chinese Medicine, Research Center for Chinese Medicine & Acupuncture, Graduate Institute of Integrated Medicine, China Medical University, Taichung, Taiwan
| | - Wen-Chi Chen
- Departments of Obstetrics and Gynecology, Medical Research, and Urology, Sex Hormone Research Center, China Medical University Hospital, Taichung, Taiwan
- Proteomics Core Laboratory, College of Chinese Medicine, Research Center for Chinese Medicine & Acupuncture, Graduate Institute of Integrated Medicine, China Medical University, Taichung, Taiwan
| | - Shih-Jing Wang
- Proteomics Core Laboratory, College of Chinese Medicine, Research Center for Chinese Medicine & Acupuncture, Graduate Institute of Integrated Medicine, China Medical University, Taichung, Taiwan
| | - Chao-Jung Chen
- Departments of Obstetrics and Gynecology, Medical Research, and Urology, Sex Hormone Research Center, China Medical University Hospital, Taichung, Taiwan
- Proteomics Core Laboratory, College of Chinese Medicine, Research Center for Chinese Medicine & Acupuncture, Graduate Institute of Integrated Medicine, China Medical University, Taichung, Taiwan
| | - Yung-Hsiang Chen
- Departments of Obstetrics and Gynecology, Medical Research, and Urology, Sex Hormone Research Center, China Medical University Hospital, Taichung, Taiwan
- Proteomics Core Laboratory, College of Chinese Medicine, Research Center for Chinese Medicine & Acupuncture, Graduate Institute of Integrated Medicine, China Medical University, Taichung, Taiwan
- Department of Psychology, College of Medical and Health Science, Asia University, Taichung, Taiwan
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