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Hao Y, Niu Y, Shi F, Zhang L, Peng C, Yan Z, Chen X, Xu H. A single 24 h maternal separation at PND 9 promotes behavioral resilience of female C57BL/6J mice and the possible role of hippocampal Homer1a. Heliyon 2024; 10:e27037. [PMID: 38455582 PMCID: PMC10918190 DOI: 10.1016/j.heliyon.2024.e27037] [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: 11/01/2023] [Revised: 02/22/2024] [Accepted: 02/22/2024] [Indexed: 03/09/2024] Open
Abstract
Early life stress (ELS) has been thought to increase vulnerability to developing psychiatric disorders later in life, while some researchers have found that adversity early in life may promote stress resilience. Studies investigating the resilient effect of maternal separation (MS) are still relatively few, and the underlying mechanisms remain unknown. In the current study, the effect of a single 24 h MS paradigm at postnatal day 9 (PND 9) in female C57BL/6J mice was investigated by assessing behavioral performance in middle adolescence. We demonstrated that, mice in MS group displayed decreased anxiety-like behavior and increased exploratory behavior than controls in the open field test and elevated plus maze test. Furthermore, MS mice exhibited improved hippocampal-dependent spatial learning in the Morris water maze test. This performance indicated behavioral resilience to early life stress. The protein expression levels of Homer1 isoforms, which are implicated in a variety of neuropsychiatric disorders, were evaluated using Western blot analysis. A significant increase in hippocampal Homer1a protein expression was observed immediately after MS, which subsequently decreased until adolescence (PND 27-42), when a significant increase was observed again. This distinctive change of hippocampal Homer1a protein expression pattern indicated that hippocampal Homer1a might play a role in behavioral resilience to MS in female C57BL/6J mice. In conclusion, this study demonstrated that exposure to a single 24 h MS at PND 9 promoted behavioral resilience of female C57BL/6J mice in middle adolescence. This behavioral resilience might be related to increased expression of hippocampal Homer1a.
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Affiliation(s)
- Yelu Hao
- Department of Neurosurgery, Xijing Hospital, Fourth Military Medical University, Xi'an, Shaanxi, China
- Department of Neurosurgery, The 940 Hospital of PLA Joint Logistic Support Force, Lanzhou, Gansu, China
| | - Yujie Niu
- Department of Hematology, The First Affiliated Hospital of Lanzhou University, Lanzhou, Gansu, China
| | - Fei Shi
- The Key Laboratory of Aerospace Medicine, Ministry of Education, Fourth Military Medical University, Xi'an, Shaanxi, China
| | - Lei Zhang
- Department of Neurosurgery, Xijing Hospital, Fourth Military Medical University, Xi'an, Shaanxi, China
| | - Cheng Peng
- Department of Neurosurgery, The 984 Hospital of PLA Joint Logistic Support Force, Beijing, China
| | - Zhiqiang Yan
- Department of Neurosurgery, Xijing Hospital, Fourth Military Medical University, Xi'an, Shaanxi, China
| | - Xiaoyan Chen
- Department of Neurosurgery, Xijing Hospital, Fourth Military Medical University, Xi'an, Shaanxi, China
| | - Hongyu Xu
- College of Science and Technology, Wenzhou-Kean University, Wenzhou, Zhejiang, China
- Wenzhou Municipal Key Lab of Applied Biomedical and Biopharmaceutical Informatics, Wenzhou-Kean University, Wenzhou, Zhejiang, China
- Zhejiang Bioinformatics International Science and Technology Cooperation Center, Wenzhou-Kean University, Wenzhou, Zhejiang, China
- Dorothy and George Hennings College of Science, Mathematics and Technology, Kean University, 1000 Morris Ave, Union, NJ, 07083, USA
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Translating preclinical findings in clinically relevant new antipsychotic targets: focus on the glutamatergic postsynaptic density. Implications for treatment resistant schizophrenia. Neurosci Biobehav Rev 2019; 107:795-827. [DOI: 10.1016/j.neubiorev.2019.08.019] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2019] [Revised: 07/20/2019] [Accepted: 08/22/2019] [Indexed: 02/07/2023]
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Mori M, He W, Kawasaki Y, Kato N, Kasamaki Y, Kanda T. Alogliptin, DPP4 Inhibitor, Improved Cognitive and Depressive Function in Obese ApoE-/- Mice with Modification of BDNF in Hippocampus. INT J PHARMACOL 2017. [DOI: 10.3923/ijp.2017.1079.1085] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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Luo X, Shui Y, Wang F, Yamamoto R, Kato N. Impaired retention of depression-like behavior in a mouse model of Alzheimer's disease. IBRO Rep 2017; 2:81-86. [PMID: 30135936 PMCID: PMC6084821 DOI: 10.1016/j.ibror.2017.05.001] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2017] [Revised: 05/01/2017] [Accepted: 05/01/2017] [Indexed: 01/07/2023] Open
Abstract
By using a 5-day forced swimming test (FS) that we previously developed, swim immobility was induced in 3xTg Alzheimer's model mice and wild-type (WT) mice. After the initial 5-day FS, the next and last swimming session was performed at a 4-week interval, during which the immobility was reduced in 3xTg mice, but was maintained fully in WT mice. After FS, context-dependent fear learning was normally induced in WT mice, but was impaired in 3xTg mice, suggesting that FS may exaggerate cognitive deficits typical to 3xTg mice. Hippocampal long-term potentiation (LTP) at Schaffer collateral-CA1 synapses was suppressed by FS in WT mice, but not in 3xTg mice, indicating that FS modifies LTP in the WT mouse hippocampus, but not in 3xTg tissue. FS increased excitability of cingulate cortex pyramidal cells similarly in WT and 3xTg mice. Agreeing with our previous finding that expression of Homer1a protein is decreased in the cingulate cortex in harmony with FS-induced immobility, western blot showed that Homer1a expression is reduced by FS in the WT mice. In 3xTg mice, by contrast, FS failed to reduce Homer1a expression. The disrupted endurance of FS-induced immobility in 3xTg mice appears to be attributable to impaired cognition typical to this genotype. Failure of FS to alter LTP magnitude might be related to unaltered Homer1a expression after FS in 3xTg mice.
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Affiliation(s)
- Xianwen Luo
- Department of Physiology, Kanazawa Medical University, Ishikawa 920-0293, Japan.,Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Yuan Shui
- Department of Physiology, Kanazawa Medical University, Ishikawa 920-0293, Japan
| | - Furong Wang
- Department of Physiology, Kanazawa Medical University, Ishikawa 920-0293, Japan.,Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Ryo Yamamoto
- Department of Physiology, Kanazawa Medical University, Ishikawa 920-0293, Japan
| | - Nobuo Kato
- Department of Physiology, Kanazawa Medical University, Ishikawa 920-0293, Japan
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Castelli V, Brancato A, Cavallaro A, Lavanco G, Cannizzaro C. Homer2 and Alcohol: A Mutual Interaction. Front Psychiatry 2017; 8:268. [PMID: 29249995 PMCID: PMC5714871 DOI: 10.3389/fpsyt.2017.00268] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/25/2017] [Accepted: 11/17/2017] [Indexed: 01/05/2023] Open
Abstract
The past two decades of data derived from addicted individuals and preclinical animal models of addiction implicate a role for the excitatory glutamatergic transmission within the mesolimbic structures in alcoholism. The cellular localization of the glutamatergic receptor subtypes, as well as their signaling efficiency and function, are highly dependent upon discrete functional constituents of the postsynaptic density, including the Homer family of scaffolding proteins. The consequences of repeated alcohol administration on the expression of the Homer family proteins demonstrate a crucial and active role, particularly for the expression of Homer2 isoform, in regulating alcohol-induced behavioral and cellular neuroplasticity. The interaction between Homer2 and alcohol can be defined as a mutual relation: alcohol consumption enhances the expression of Homer2 protein isoform within the nucleus accumbens and the extended amygdala, cerebral areas where, in turn, Homer2 is able to mediate the development of the "pro-alcoholic" behavioral phenotype, as a consequence of the morpho-functional synaptic adaptations. Such findings are relevant for the detection of the strategic molecular components that prompt alcohol-induced functional and behavioral disarrangement as targets for future innovative treatment options.
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Affiliation(s)
- Valentina Castelli
- Department of Sciences for Health Promotion and Mother and Child Care "G. D'Alessandro", University of Palermo, Palermo, Italy
| | - Anna Brancato
- Department of Sciences for Health Promotion and Mother and Child Care "G. D'Alessandro", University of Palermo, Palermo, Italy
| | - Angela Cavallaro
- Department of Sciences for Health Promotion and Mother and Child Care "G. D'Alessandro", University of Palermo, Palermo, Italy
| | - Gianluca Lavanco
- Department of Sciences for Health Promotion and Mother and Child Care "G. D'Alessandro", University of Palermo, Palermo, Italy
| | - Carla Cannizzaro
- Department of Sciences for Health Promotion and Mother and Child Care "G. D'Alessandro", University of Palermo, Palermo, Italy
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Wang M, Uchiumi O, Ogiso H, Shui Y, Zou J, Hashizume C, Taniguchi M, Okazaki T, Kato N. Stressful learning paradigm precludes manifestation of cognitive ability in sphingomyelin synthase-2 knockout mice. Behav Brain Res 2016; 319:25-30. [PMID: 27840247 DOI: 10.1016/j.bbr.2016.11.010] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2016] [Revised: 11/02/2016] [Accepted: 11/07/2016] [Indexed: 12/13/2022]
Abstract
Sphingomyelin synthases (SMSs) are enzymes converting ceramide to sphingomyelin. The behavioral phenotype attributed to their disruption has not been well described. We examined learning ability and hippocampal synaptic plasticity in mice deficient in SMS2 (SMS2 KO). In context-dependent fear learning and novel object recognition test, no difference in learning ability was detected in SMS2 KO and wild-type (WT) mice. By contrast, achievement of the Morris water maze (MWM) test was deteriorated in SMS2 KO mice. In the hippocampal CA1, while the basic synaptic transmission was normal, both short- and long-term synaptic plasticity was moderately suppressed. We interpret that the MWM test taking place in wet environment may represent learning paradigm under more stressful condition than those performed in dry conditions, and that the learning ability of SMS2 KO mice failed to manifest itself fully in stressful situations. In agreement, forced swimming induced depression-like behavior more easily in SMS2 KO mice. Mass spectrometry suggested a slightly altered species distribution of ceramide in the hippocampus of SMS2 KO mice. These findings support the proposal that altered synthesis of ceramide, which is the substrate of SMS2 and therefore expected to be modified in SMS2 KO mice, is associated with depression-like tendency in animal models and depressive disorder in humans.
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Affiliation(s)
- Min Wang
- Department of Physiology, Kanazawa Medical University, Ishikawa, 920-0293, Japan; Medical Research Institute, Kanazawa Medical University, Ishikawa, 920-0293, Japan; Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Osamu Uchiumi
- Department of Physiology, Kanazawa Medical University, Ishikawa, 920-0293, Japan
| | - Hideo Ogiso
- Department of Hematology-Immunology, Kanazawa Medical University, Ishikawa, 920-0293, Japan
| | - Yuan Shui
- Department of Physiology, Kanazawa Medical University, Ishikawa, 920-0293, Japan
| | - Jingyu Zou
- Department of Physiology, Kanazawa Medical University, Ishikawa, 920-0293, Japan; First Affiliated Hospital, China Medical University, Shenyang 110001, China
| | - Chieko Hashizume
- Department of Hematology-Immunology, Kanazawa Medical University, Ishikawa, 920-0293, Japan
| | - Makoto Taniguchi
- Department of Hematology-Immunology, Kanazawa Medical University, Ishikawa, 920-0293, Japan; Medical Research Institute, Kanazawa Medical University, Ishikawa, 920-0293, Japan
| | - Toshiro Okazaki
- Department of Hematology-Immunology, Kanazawa Medical University, Ishikawa, 920-0293, Japan
| | - Nobuo Kato
- Department of Physiology, Kanazawa Medical University, Ishikawa, 920-0293, Japan.
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Wells TT, Judah MR, Ellis AJ, McGeary JE, Beevers CG. Inhibition of Attention for Affective Material: Contributions by HOMER1 Gene Variation. ACTA ACUST UNITED AC 2015; 8:495-508. [PMID: 26779324 DOI: 10.1037/pne0000027] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Failure to inhibit attention to irrelevant affective information has been linked to depression and rumination. However, few studies have investigated the biological bases of this process. Variation in the HOMER1 gene was identified in a genome-wide association study as associated with major depressive disorder and is associated with executive functioning inefficiency. Several studies have linked variation in the BDNF gene with emotional and cognitive processes such as rumination. The current study examined the association between these two auspicious genetic variants and inhibition of attention for affective information. In Study 1, 60 psychiatrically healthy community participants completed a negative affective priming task with positive and negative words. HOMER1 variation, but not BDNF variation, was associated with difficulty inhibiting irrelevant negative information. These results were replicated in a second study utilizing a sample of 97 psychiatrically healthy young adults. Implications for the current literature and future directions are discussed.
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Affiliation(s)
- Tony T Wells
- Oklahoma State University, Department of Psychology, Stillwater, OK
| | - Matt R Judah
- Oklahoma State University, Department of Psychology, Stillwater, OK
| | - Alissa J Ellis
- University of California-Los Angeles, Semel Institute of Neuroscience and Human Behavior, Los Angeles, CA
| | - John E McGeary
- Providence VA Medical Center, Providence, RI; Rhode Island Hospital, Division of Behavioral Genetics, Providence, RI; Brown University, Department of Psychiatry and Human Behavior, Providence, RI
| | - Christopher G Beevers
- University of Texas at Austin, Department of Psychology and the Institute for Mental Health Research, Austin, TX
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Homer1a-dependent recovery from depression-like behavior by photic stimulation in mice. Physiol Behav 2015; 147:334-41. [DOI: 10.1016/j.physbeh.2015.05.007] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2015] [Revised: 05/04/2015] [Accepted: 05/12/2015] [Indexed: 11/18/2022]
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