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Ku SP, Atucha E, Alavi N, Mulla-Osman H, Kayumova R, Yoshida M, Csicsvari J, Sauvage MM. Phase locking of hippocampal CA3 neurons to distal CA1 theta oscillations selectively predicts memory performance. Cell Rep 2024; 43:114276. [PMID: 38814781 DOI: 10.1016/j.celrep.2024.114276] [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: 06/09/2022] [Revised: 01/09/2024] [Accepted: 05/09/2024] [Indexed: 06/01/2024] Open
Abstract
How the coordination of neuronal spiking and brain rhythms between hippocampal subregions supports memory function remains elusive. We studied the interregional coordination of CA3 neuronal spiking with CA1 theta oscillations by recording electrophysiological signals along the proximodistal axis of the hippocampus in rats that were performing a high-memory-demand recognition memory task adapted from humans. We found that CA3 population spiking occurs preferentially at the peak of distal CA1 theta oscillations when memory was tested but only when previously encountered stimuli were presented. In addition, decoding analyses revealed that only population cell firing of proximal CA3 together with that of distal CA1 can predict performance at test in the present non-spatial task. Overall, our work demonstrates an important role for the synchronization of CA3 neuronal activity with CA1 theta oscillations during memory testing.
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Affiliation(s)
- Shih-Pi Ku
- Leibniz Institute for Neurobiology, Functional Architecture of Memory Department, Magdeburg, Germany.
| | - Erika Atucha
- Leibniz Institute for Neurobiology, Functional Architecture of Memory Department, Magdeburg, Germany
| | - Nico Alavi
- Leibniz Institute for Neurobiology, Functional Architecture of Memory Department, Magdeburg, Germany
| | - Halla Mulla-Osman
- Leibniz Institute for Neurobiology, Functional Architecture of Memory Department, Magdeburg, Germany
| | - Rukhshona Kayumova
- Leibniz Institute for Neurobiology, Functional Architecture of Memory Department, Magdeburg, Germany
| | - Motoharu Yoshida
- Leibniz Institute for Neurobiology, Functional Architecture of Memory Department, Magdeburg, Germany; German Center for Neurodegenerative Diseases (DZNE), Magdeburg, Germany
| | - Jozsef Csicsvari
- Institute of Science and Technology (IST), Klosterneuburg, Austria
| | - Magdalena M Sauvage
- Leibniz Institute for Neurobiology, Functional Architecture of Memory Department, Magdeburg, Germany; Otto von Guericke University, Medical Faculty, Functional Neuroplasticity Department, Magdeburg, Germany; Center for Behavioral Brain Sciences (CBBS), Magdeburg, Germany.
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Jakovljević A, Stamenković V, Poleksić J, Hamad MIK, Reiss G, Jakovcevski I, Andjus PR. The Role of Tenascin-C on the Structural Plasticity of Perineuronal Nets and Synaptic Expression in the Hippocampus of Male Mice. Biomolecules 2024; 14:508. [PMID: 38672524 PMCID: PMC11047978 DOI: 10.3390/biom14040508] [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: 03/08/2024] [Revised: 04/13/2024] [Accepted: 04/17/2024] [Indexed: 04/28/2024] Open
Abstract
Neuronal plasticity is a crucial mechanism for an adapting nervous system to change. It is shown to be regulated by perineuronal nets (PNNs), the condensed forms of the extracellular matrix (ECM) around neuronal bodies. By assessing the changes in the number, intensity, and structure of PNNs, the ultrastructure of the PNN mesh, and the expression of inhibitory and excitatory synaptic inputs on these neurons, we aimed to clarify the role of an ECM glycoprotein, tenascin-C (TnC), in the dorsal hippocampus. To enhance neuronal plasticity, TnC-deficient (TnC-/-) and wild-type (TnC+/+) young adult male mice were reared in an enriched environment (EE) for 8 weeks. Deletion of TnC in TnC-/- mice showed an ultrastructural reduction of the PNN mesh and an increased inhibitory input in the dentate gyrus (DG), and an increase in the number of PNNs with a rise in the inhibitory input in the CA2 region. EE induced an increased inhibitory input in the CA2, CA3, and DG regions; in DG, the change was also followed by an increased intensity of PNNs. No changes in PNNs or synaptic expression were found in the CA1 region. We conclude that the DG and CA2 regions emerged as focal points of alterations in PNNs and synaptogenesis with EE as mediated by TnC.
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Affiliation(s)
- Ana Jakovljević
- Center for Laser Microscopy, Institute for Physiology and Biochemistry “Jean Giaja”, Faculty of Biology, University of Belgrade, 11000 Belgrade, Serbia;
| | - Vera Stamenković
- Center for Integrative Brain Research, Seattle Children’s Research Institute, 1900 9th Ave, Seattle, WA 98125, USA;
| | - Joko Poleksić
- Institute of Anatomy “Niko Miljanic”, School of Medicine, University of Belgrade, 11000 Belgrade, Serbia;
| | - Mohammad I. K. Hamad
- Department of Anatomy, College of Medicine and Health Sciences, United Arab Emirates University, Al Ain P.O. Box 15551, United Arab Emirates;
| | - Gebhard Reiss
- Institut für Anatomie und Klinische Morphologie, Universität Witten/Herdecke, 58455 Witten, Germany;
| | - Igor Jakovcevski
- Institut für Anatomie und Klinische Morphologie, Universität Witten/Herdecke, 58455 Witten, Germany;
| | - Pavle R. Andjus
- Center for Laser Microscopy, Institute for Physiology and Biochemistry “Jean Giaja”, Faculty of Biology, University of Belgrade, 11000 Belgrade, Serbia;
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Paveliev M, Egorchev AA, Musin F, Lipachev N, Melnikova A, Gimadutdinov RM, Kashipov AR, Molotkov D, Chickrin DE, Aganov AV. Perineuronal Net Microscopy: From Brain Pathology to Artificial Intelligence. Int J Mol Sci 2024; 25:4227. [PMID: 38673819 PMCID: PMC11049984 DOI: 10.3390/ijms25084227] [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: 02/02/2024] [Revised: 03/31/2024] [Accepted: 04/05/2024] [Indexed: 04/28/2024] Open
Abstract
Perineuronal nets (PNN) are a special highly structured type of extracellular matrix encapsulating synapses on large populations of CNS neurons. PNN undergo structural changes in schizophrenia, epilepsy, Alzheimer's disease, stroke, post-traumatic conditions, and some other brain disorders. The functional role of the PNN microstructure in brain pathologies has remained largely unstudied until recently. Here, we review recent research implicating PNN microstructural changes in schizophrenia and other disorders. We further concentrate on high-resolution studies of the PNN mesh units surrounding synaptic boutons to elucidate fine structural details behind the mutual functional regulation between the ECM and the synaptic terminal. We also review some updates regarding PNN as a potential pharmacological target. Artificial intelligence (AI)-based methods are now arriving as a new tool that may have the potential to grasp the brain's complexity through a wide range of organization levels-from synaptic molecular events to large scale tissue rearrangements and the whole-brain connectome function. This scope matches exactly the complex role of PNN in brain physiology and pathology processes, and the first AI-assisted PNN microscopy studies have been reported. To that end, we report here on a machine learning-assisted tool for PNN mesh contour tracing.
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Affiliation(s)
- Mikhail Paveliev
- Neuroscience Center, University of Helsinki, Haartmaninkatu 8, 00290 Helsinki, Finland
| | - Anton A. Egorchev
- Institute of Computational Mathematics and Information Technologies, Kazan Federal University, Kremlyovskaya 35, Kazan 420008, Tatarstan, Russia; (A.A.E.); (F.M.); (R.M.G.)
| | - Foat Musin
- Institute of Computational Mathematics and Information Technologies, Kazan Federal University, Kremlyovskaya 35, Kazan 420008, Tatarstan, Russia; (A.A.E.); (F.M.); (R.M.G.)
| | - Nikita Lipachev
- Institute of Physics, Kazan Federal University, Kremlyovskaya 16a, Kazan 420008, Tatarstan, Russia; (N.L.); (A.V.A.)
| | - Anastasiia Melnikova
- Institute of Fundamental Medicine and Biology, Kazan Federal University, Karl Marx 74, Kazan 420015, Tatarstan, Russia;
| | - Rustem M. Gimadutdinov
- Institute of Computational Mathematics and Information Technologies, Kazan Federal University, Kremlyovskaya 35, Kazan 420008, Tatarstan, Russia; (A.A.E.); (F.M.); (R.M.G.)
| | - Aidar R. Kashipov
- Institute of Artificial Intelligence, Robotics and Systems Engineering, Kazan Federal University, Kremlyovskaya 18, Kazan 420008, Tatarstan, Russia; (A.R.K.); (D.E.C.)
| | - Dmitry Molotkov
- Biomedicum Imaging Unit, University of Helsinki, Haartmaninkatu 8, 00014 Helsinki, Finland;
| | - Dmitry E. Chickrin
- Institute of Artificial Intelligence, Robotics and Systems Engineering, Kazan Federal University, Kremlyovskaya 18, Kazan 420008, Tatarstan, Russia; (A.R.K.); (D.E.C.)
| | - Albert V. Aganov
- Institute of Physics, Kazan Federal University, Kremlyovskaya 16a, Kazan 420008, Tatarstan, Russia; (N.L.); (A.V.A.)
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Wang J, Wang Y, Zhu Y, Cui C, Feng T, Huang Q, Liu S, Wu Q. Peripheral inflammation triggering central anxiety through the hippocampal glutamate metabolized receptor 1. CNS Neurosci Ther 2024; 30:e14723. [PMID: 38676295 PMCID: PMC11053250 DOI: 10.1111/cns.14723] [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: 10/29/2023] [Revised: 02/01/2024] [Accepted: 03/30/2024] [Indexed: 04/28/2024] Open
Abstract
AIMS This study aimed to investigate the relationship between ulcerative colitis (UC) and anxiety and explore its central mechanisms using colitis mice. METHODS Anxiety-like behavior was assessed in mice induced by 3% dextran sodium sulfate (DSS) using the elevated plus maze and open-field test. The spatial transcriptome of the hippocampus was analyzed to assess the distribution of excitatory and inhibitory synapses, and Toll-like receptor 4 (TLR4) inhibitor TAK-242 (10 mg/kg) and AAV virus interference were used to examine the role of peripheral inflammation and central molecules such as Glutamate Receptor Metabotropic 1 (GRM1) in mediating anxiety behavior in colitis mice. RESULTS DSS-induced colitis increased anxiety-like behaviors, which was reduced by TAK-242. Spatial transcriptome analysis of the hippocampus showed an excitatory-inhibitory imbalance mediated by glutamatergic synapses, and GRM1 in hippocampus was identified as a critical mediator of anxiety behavior in colitis mice via differential gene screening and AAV virus interference. CONCLUSION Our work suggests that the hippocampus plays an important role in brain anxiety caused by peripheral inflammation, and over-excitation of hippocampal glutamate synapses by GRM1 activation induces anxiety-like behavior in colitis mice. These findings provide new insights into the central mechanisms underlying anxiety in UC and may contribute to the development of novel therapeutic strategies for UC-associated anxiety.
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Affiliation(s)
- Jun‐Meng Wang
- Acupuncture and Moxibustion SchoolChengdu University of Traditional Chinese MedicineChengduChina
| | - Yue‐Mei Wang
- Acupuncture and Moxibustion SchoolChengdu University of Traditional Chinese MedicineChengduChina
| | - Yuan‐Bing Zhu
- Acupuncture and Moxibustion SchoolChengdu University of Traditional Chinese MedicineChengduChina
| | - Chan Cui
- Acupuncture and Moxibustion SchoolChengdu University of Traditional Chinese MedicineChengduChina
| | - Tong Feng
- Acupuncture and Moxibustion SchoolChengdu University of Traditional Chinese MedicineChengduChina
| | - Qin Huang
- Acupuncture and Moxibustion SchoolChengdu University of Traditional Chinese MedicineChengduChina
| | - Shu‐Qing Liu
- Acupuncture and Moxibustion SchoolChengdu University of Traditional Chinese MedicineChengduChina
| | - Qiao‐Feng Wu
- Acupuncture and Moxibustion SchoolChengdu University of Traditional Chinese MedicineChengduChina
- Institute of Acupuncture and Homeostasis RegulationChengdu University of Traditional Chinese MedicineChengduChina
- Key Laboratory of Acupuncture for Senile Disease (Chengdu University of TCM), Ministry of EducationChengduChina
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5
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Siegler PN, Shaughnessy EK, Horman B, Vierling TT, King DH, Patisaul HB, Huhman KL, Alexander GM, Dudek SM. Identification of hippocampal area CA2 in hamster and vole brain. J Comp Neurol 2024; 532:e25603. [PMID: 38497661 PMCID: PMC10950058 DOI: 10.1002/cne.25603] [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: 06/01/2023] [Revised: 01/24/2024] [Accepted: 02/27/2024] [Indexed: 03/19/2024]
Abstract
Prairie voles (Microtus ochrogaster) and Syrian, or golden, hamsters (Mesocricetus auratus) are closely related to mice (Mus musculus) and are commonly used in studies of social behavior including social interaction, social memory, and aggression. Hippocampal area CA2 is known to play a key role in these behaviors in mice and responds to social stimuli in rats, but CA2 has yet to be characterized in hamsters or voles, which are also used in studies of social behaviors. Here, we used immunofluorescence to determine whether CA2 could be molecularly identified in tissue from voles and hamsters. We found that staining for many CA2 markers was similar in these three species, with labeling seen in neurons at the distal end of the mossy fibers . In contrast, although perineuronal nets (PNNs) surround CA2 cells in mice, PNN staining differed across species. In voles, both CA2 and CA3 were labeled, whereas in hamsters, labeling was seen primarily in CA3. These results demonstrate that CA2 can be molecularly distinguished from neighboring CA1 and CA3 areas in voles and hamsters with several antibodies commonly used in mice. However, PNN staining is not useful for identifying CA2 in voles or hamsters, suggestive of differing roles for either PNNs or for the hippocampal subregions in social behavior. These findings reveal commonalities across species in the molecular profile of CA2 and should facilitate future studies of CA2 in these species.
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Affiliation(s)
- Preston Nicole Siegler
- Neurobiology Laboratory, National Institute of Environmental Health Sciences, NIH, 111 T.W. Alexander Drive, Research Triangle Park, NC 27709 USA
- Neuroscience Center, University of North Carolina, Chapel Hill, NC
| | | | - Brian Horman
- Department of Biological Sciences, North Carolina State University, Raleigh, NC
| | - Tia T. Vierling
- Neurobiology Laboratory, National Institute of Environmental Health Sciences, NIH, 111 T.W. Alexander Drive, Research Triangle Park, NC 27709 USA
| | - Darron H. King
- Neurobiology Laboratory, National Institute of Environmental Health Sciences, NIH, 111 T.W. Alexander Drive, Research Triangle Park, NC 27709 USA
| | - Heather B. Patisaul
- Department of Biological Sciences, North Carolina State University, Raleigh, NC
| | - Kim L. Huhman
- Neuroscience Institute, Georgia State University, Atlanta, GA
| | - Georgia M. Alexander
- Neurobiology Laboratory, National Institute of Environmental Health Sciences, NIH, 111 T.W. Alexander Drive, Research Triangle Park, NC 27709 USA
| | - Serena M. Dudek
- Neurobiology Laboratory, National Institute of Environmental Health Sciences, NIH, 111 T.W. Alexander Drive, Research Triangle Park, NC 27709 USA
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6
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Morphett JC, Whittaker AL, Reichelt AC, Hutchinson MR. Perineuronal net structure as a non-cellular mechanism contributing to affective state: A scoping review. Neurosci Biobehav Rev 2024; 158:105568. [PMID: 38309496 DOI: 10.1016/j.neubiorev.2024.105568] [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: 11/23/2023] [Revised: 01/25/2024] [Accepted: 01/29/2024] [Indexed: 02/05/2024]
Abstract
Affective state encompasses emotional responses to our physiology and influences how we perceive and respond within our environment. In affective disorders such as depression, cognitive adaptability is challenged, and structural and functional brain changes have been identified. However, an incomplete understanding persists of the molecular and cellular mechanisms at play in affective state. An exciting area of newly appreciated importance is perineuronal nets (PNNs); a specialised component of extracellular matrix playing a critical role in neuroprotection and synaptic plasticity. A scoping review found 24 studies demonstrating that PNNs are still a developing field of research with a promising general trend for stress in adulthood to increase the intensity of PNNs, whereas stress in adolescence reduced (potentially developmentally delayed) PNN numbers and intensity, while antidepressants correlated with reduced PNN numbers. Despite promising trends, limited research underscores the need for further exploration, emphasizing behavioral outcomes for validating affective states. Understanding PNNs' role may offer therapeutic insights for depression and inform biomarker development, advancing precision medicine and enhancing well-being.
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Affiliation(s)
- J C Morphett
- School of Biomedicine, Adelaide Medical School, University of Adelaide, Adelaide, Kaurna Country, Australia.
| | - A L Whittaker
- School of Animal and Veterinary Sciences, University of Adelaide, Roseworthy, SA, Australia
| | - A C Reichelt
- School of Biomedicine, Adelaide Medical School, University of Adelaide, Adelaide, Kaurna Country, Australia
| | - M R Hutchinson
- School of Biomedicine, Adelaide Medical School, University of Adelaide, Adelaide, Kaurna Country, Australia; Australian Research Council Centre of Excellence for Nanoscale BioPhotonics, University of Adelaide, Adelaide, SA, Australia; Davies Livestock Research Centre, University of Adelaide, Roseworthy, SA, Australia
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7
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Siegler PN, Shaughnessy EK, Horman B, Vierling TT, King DH, Patisaul HB, Huhman KL, Alexander GM, Dudek SM. Identification of hippocampal area CA2 in hamster and vole brain. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.02.12.579957. [PMID: 38405991 PMCID: PMC10888814 DOI: 10.1101/2024.02.12.579957] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/27/2024]
Abstract
Prairie voles (Microtus ochrogaster) and Syrian, or golden, hamsters (Mesocricetus auratus) are closely related to mice (Mus musculus) and rats (Rattus norvegicus, for example) and are commonly used in studies of social behavior including social interaction, social memory, and aggression. The CA2 region of the hippocampus is known to play a key role in social memory and aggression in mice and responds to social stimuli in rats, likely owing to its high expression of oxytocin and vasopressin 1b receptors. However, CA2 has yet to be identified and characterized in hamsters or voles. In this study, we sought to determine whether CA2 could be identified molecularly in vole and hamster. To do this, we used immunofluorescence with primary antibodies raised against known molecular markers of CA2 in mice and rats to stain hippocampal sections from voles and hamsters in parallel with those from mice. Here, we report that, like in mouse and rat, staining for many CA2 proteins in vole and hamster hippocampus reveals a population of neurons that express regulator of G protein signaling 14 (RGS14), Purkinje cell protein 4 (PCP4) and striatal-enriched protein tyrosine phosphatase (STEP), which together delineate the borders with CA3 and CA1. These cells were located at the distal end of the mossy fiber projections, marked by the presence of Zinc Transporter 3 (ZnT-3) and calbindin in all three species. In addition to staining the mossy fibers, calbindin also labeled a layer of CA1 pyramidal cells in mouse and hamster but not in vole. However, Wolframin ER transmembrane glycoprotein (WFS1) immunofluorescence, which marks all CA1 neurons, was present in all three species and abutted the distal end of CA2, marked by RGS14 immunofluorescence. Staining for two stress hormone receptors-the glucocorticoid (GR) and mineralocorticoid (MR) receptors-was also similar in all three species, with GR staining found primarily in CA1 and MR staining enriched in CA2. Interestingly, although perineuronal nets (PNNs) are known to surround CA2 cells in mouse and rat, we found that staining for PNNs differed across species in that both CA2 and CA3 showed staining in voles and primarily CA3 in hamsters with only some neurons in proximal CA2 showing staining. These results demonstrate that, like in mouse, CA2 in voles and hamsters can be molecularly distinguished from neighboring CA1 and CA3 areas, but PNN staining is less useful for identifying CA2 in the latter two species. These findings reveal commonalities across species in molecular profile of CA2, which will facilitate future studies of CA2 in these species. Yet to be determined is how differences in PNNs might relate to differences in social behavior across species.
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Affiliation(s)
- Preston Nicole Siegler
- Neurobiology Laboratory, National Institute of Environmental Health Sciences, NIH, 111 T.W. Alexander Drive, Research Triangle Park, NC 27709 USA
- Neuroscience Center, University of North Carolina, Chapel Hill, NC
| | | | - Brian Horman
- Department of Biological Sciences, North Carolina State University, Raleigh, NC
| | - Tia T. Vierling
- Neurobiology Laboratory, National Institute of Environmental Health Sciences, NIH, 111 T.W. Alexander Drive, Research Triangle Park, NC 27709 USA
| | - Darron H. King
- Neurobiology Laboratory, National Institute of Environmental Health Sciences, NIH, 111 T.W. Alexander Drive, Research Triangle Park, NC 27709 USA
| | - Heather B. Patisaul
- Department of Biological Sciences, North Carolina State University, Raleigh, NC
| | - Kim L. Huhman
- Neuroscience Institute, Georgia State University, Atlanta, GA
| | - Georgia M. Alexander
- Neurobiology Laboratory, National Institute of Environmental Health Sciences, NIH, 111 T.W. Alexander Drive, Research Triangle Park, NC 27709 USA
| | - Serena M. Dudek
- Neurobiology Laboratory, National Institute of Environmental Health Sciences, NIH, 111 T.W. Alexander Drive, Research Triangle Park, NC 27709 USA
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Gore IR, Gould E. Developmental and adult stress: effects of steroids and neurosteroids. Stress 2024; 27:2317856. [PMID: 38563163 PMCID: PMC11046567 DOI: 10.1080/10253890.2024.2317856] [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: 07/03/2023] [Accepted: 02/03/2024] [Indexed: 04/04/2024] Open
Abstract
In humans, exposure to early life adversity has profound implications for susceptibility to developing neuropsychiatric disorders later in life. Studies in rodents have shown that stress experienced during early postnatal life can have lasting effects on brain development. Glucocorticoids and sex steroids are produced in endocrine glands and the brain from cholesterol; these molecules bind to nuclear and membrane-associated steroid receptors. Unlike other steroids that can also be made in the brain, neurosteroids bind specifically to neurotransmitter receptors, not steroid receptors. The relationships among steroids, neurosteroids, and stress are multifaceted and not yet fully understood. However, studies demonstrating altered levels of progestogens, androgens, estrogens, glucocorticoids, and their neuroactive metabolites in both developmental and adult stress paradigms strongly suggest that these molecules may be important players in stress effects on brain circuits and behavior. In this review, we discuss the influence of developmental and adult stress on various components of the brain, including neurons, glia, and perineuronal nets, with a focus on sex steroids and neurosteroids. Gaining an enhanced understanding of how early adversity impacts the intricate systems of brain steroid and neurosteroid regulation could prove instrumental in identifying novel therapeutic targets for stress-related conditions.
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Affiliation(s)
- Isha R Gore
- Princeton Neuroscience Institute, Princeton University, Princeton, NJ, USA
| | - Elizabeth Gould
- Princeton Neuroscience Institute, Princeton University, Princeton, NJ, USA
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9
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Sanchez B, Kraszewski P, Lee S, Cope EC. From molecules to behavior: Implications for perineuronal net remodeling in learning and memory. J Neurochem 2023. [PMID: 38158878 DOI: 10.1111/jnc.16036] [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: 10/01/2023] [Revised: 11/30/2023] [Accepted: 12/11/2023] [Indexed: 01/03/2024]
Abstract
Perineuronal nets (PNNs) are condensed extracellular matrix (ECM) structures found throughout the central nervous system that regulate plasticity. They consist of a heterogeneous mix of ECM components that form lattice-like structures enwrapping the cell body and proximal dendrites of particular neurons. During development, accumulating research has shown that the closure of various critical periods of plasticity is strongly linked to experience-driven PNN formation and maturation. PNNs provide an interface for synaptic contacts within the holes of the structure, generally promoting synaptic stabilization and restricting the formation of new synaptic connections in the adult brain. In this way, they impact both synaptic structure and function, ultimately influencing higher cognitive processes. PNNs are highly plastic structures, changing their composition and distribution throughout life and in response to various experiences and memory disorders, thus serving as a substrate for experience- and disease-dependent cognitive function. In this review, we delve into the proposed mechanisms by which PNNs shape plasticity and memory function, highlighting the potential impact of their structural components, overall architecture, and dynamic remodeling on functional outcomes in health and disease.
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Affiliation(s)
- Brenda Sanchez
- Department of Neuroscience, University of Virginia School of Medicine, Virginia, USA
| | - Piotr Kraszewski
- Department of Neuroscience, University of Virginia School of Medicine, Virginia, USA
| | - Sabrina Lee
- Department of Neuroscience, University of Virginia School of Medicine, Virginia, USA
| | - Elise C Cope
- Department of Neuroscience, University of Virginia School of Medicine, Virginia, USA
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10
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Kos A, Lopez JP, Bordes J, de Donno C, Dine J, Brivio E, Karamihalev S, Luecken MD, Almeida-Correa S, Gasperoni S, Dick A, Miranda L, Büttner M, Stoffel R, Flachskamm C, Theis FJ, Schmidt MV, Chen A. Early life adversity shapes social subordination and cell type-specific transcriptomic patterning in the ventral hippocampus. SCIENCE ADVANCES 2023; 9:eadj3793. [PMID: 38039370 PMCID: PMC10691768 DOI: 10.1126/sciadv.adj3793] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/23/2023] [Accepted: 11/01/2023] [Indexed: 12/03/2023]
Abstract
Adverse events in early life can modulate the response to additional stressors later in life and increase the risk of developing psychiatric disorders. The underlying molecular mechanisms responsible for these effects remain unclear. Here, we uncover that early life adversity (ELA) in mice leads to social subordination. Using single-cell RNA sequencing (scRNA-seq), we identified cell type-specific changes in the transcriptional state of glutamatergic and GABAergic neurons in the ventral hippocampus of ELA mice after exposure to acute social stress in adulthood. These findings were reflected by an alteration in excitatory and inhibitory synaptic transmission induced by ELA in response to acute social stress. Finally, enhancing the inhibitory network function through transient diazepam treatment during an early developmental sensitive period reversed the ELA-induced social subordination. Collectively, this study significantly advances our understanding of the molecular, physiological, and behavioral alterations induced by ELA, uncovering a previously unknown cell type-specific vulnerability to ELA.
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Affiliation(s)
- Aron Kos
- Department of Stress Neurobiology and Neurogenetics, Max Planck Institute of Psychiatry, Munich, Germany
| | - Juan Pablo Lopez
- Department of Stress Neurobiology and Neurogenetics, Max Planck Institute of Psychiatry, Munich, Germany
- Department of Neuroscience, Karolinska Institutet, Stockholm, Sweden
| | - Joeri Bordes
- Research Group Neurobiology of Stress Resilience, Max Planck Institute of Psychiatry, Munich, Germany
| | - Carlo de Donno
- Department of Stress Neurobiology and Neurogenetics, Max Planck Institute of Psychiatry, Munich, Germany
- Institute of Computational Biology, Helmholtz Zentrum München, German Research Center for Environmental Health, Neuherberg, Germany
- Department of Mathematics, Technische Universität München, Munich, Germany
| | - Julien Dine
- Department of Brain Sciences, Weizmann Institute of Science, Rehovot, Israel
| | - Elena Brivio
- Department of Stress Neurobiology and Neurogenetics, Max Planck Institute of Psychiatry, Munich, Germany
- International Max Planck Research School for Translational Psychiatry (IMPRS-TP), Munich, Germany
| | - Stoyo Karamihalev
- Department of Stress Neurobiology and Neurogenetics, Max Planck Institute of Psychiatry, Munich, Germany
- International Max Planck Research School for Translational Psychiatry (IMPRS-TP), Munich, Germany
| | - Malte D. Luecken
- Institute of Computational Biology, Helmholtz Zentrum München, German Research Center for Environmental Health, Neuherberg, Germany
- Institute of Lung Health and Immunity, Helmholtz Munich, Munich, Germany
| | | | - Serena Gasperoni
- Department of Neuroscience, Karolinska Institutet, Stockholm, Sweden
| | - Alec Dick
- Department of Stress Neurobiology and Neurogenetics, Max Planck Institute of Psychiatry, Munich, Germany
| | - Lucas Miranda
- International Max Planck Research School for Translational Psychiatry (IMPRS-TP), Munich, Germany
- Department of Statistical Genetics, Max Planck Institute of Psychiatry, Munich, Germany
| | - Maren Büttner
- Institute of Computational Biology, Helmholtz Zentrum München, German Research Center for Environmental Health, Neuherberg, Germany
- Department of Mathematics, Technische Universität München, Munich, Germany
| | - Rainer Stoffel
- Department of Stress Neurobiology and Neurogenetics, Max Planck Institute of Psychiatry, Munich, Germany
| | - Cornelia Flachskamm
- Department of Stress Neurobiology and Neurogenetics, Max Planck Institute of Psychiatry, Munich, Germany
| | - Fabian J. Theis
- Institute of Computational Biology, Helmholtz Zentrum München, German Research Center for Environmental Health, Neuherberg, Germany
- Department of Mathematics, Technische Universität München, Munich, Germany
| | - Mathias V. Schmidt
- Research Group Neurobiology of Stress Resilience, Max Planck Institute of Psychiatry, Munich, Germany
| | - Alon Chen
- Department of Stress Neurobiology and Neurogenetics, Max Planck Institute of Psychiatry, Munich, Germany
- Department of Brain Sciences, Weizmann Institute of Science, Rehovot, Israel
- Department of Molecular Neuroscience, Weizmann Institute of Science, Rehovot, Israel
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11
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Battaglia M, Rossignol O, Lorenzo LE, Deguire J, Godin AG, D’Amato FR, De Koninck Y. Enhanced harm detection following maternal separation: Transgenerational transmission and reversibility by inhaled amiloride. SCIENCE ADVANCES 2023; 9:eadi8750. [PMID: 37792939 PMCID: PMC10550232 DOI: 10.1126/sciadv.adi8750] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/23/2023] [Accepted: 09/01/2023] [Indexed: 10/06/2023]
Abstract
Early-life adversities are associated with altered defensive responses. Here, we demonstrate that the repeated cross-fostering (RCF) paradigm of early maternal separation is associated with enhancements of distinct homeostatic reactions: hyperventilation in response to hypercapnia and nociceptive sensitivity, among the first generation of RCF-exposed animals, as well as among two successive generations of their normally reared offspring, through matrilineal transmission. Parallel enhancements of acid-sensing ion channel 1 (ASIC1), ASIC2, and ASIC3 messenger RNA transcripts were detected transgenerationally in central neurons, in the medulla oblongata, and in periaqueductal gray matter of RCF-lineage animals. A single, nebulized dose of the ASIC-antagonist amiloride renormalized respiratory and nociceptive responsiveness across the entire RCF lineage. These findings reveal how, following an early-life adversity, a biological memory reducible to a molecular sensor unfolds, shaping adaptation mechanisms over three generations. Our findings are entwined with multiple correlates of human anxiety and pain conditions and suggest nebulized amiloride as a therapeutic avenue.
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Affiliation(s)
- Marco Battaglia
- Department of Psychiatry, University of Toronto, Toronto, ON, Canada
- Child Youth and Emerging Adult Programme, Centre for Addiction and Mental Health, Toronto, ON, Canada
- CERVO Brain Research Centre, Québec Mental Health Institute, Québec City, QC, Canada
- Department of Psychiatry and Neuroscience, Université Laval, Québec City, QC, Canada
| | - Orlane Rossignol
- CERVO Brain Research Centre, Québec Mental Health Institute, Québec City, QC, Canada
| | - Louis-Etienne Lorenzo
- CERVO Brain Research Centre, Québec Mental Health Institute, Québec City, QC, Canada
| | - Jasmin Deguire
- CERVO Brain Research Centre, Québec Mental Health Institute, Québec City, QC, Canada
| | - Antoine G. Godin
- CERVO Brain Research Centre, Québec Mental Health Institute, Québec City, QC, Canada
- Department of Psychiatry and Neuroscience, Université Laval, Québec City, QC, Canada
| | - Francesca R. D’Amato
- Institute of Biochemistry and Cell Biology, National Research Council, Rome, Italy
| | - Yves De Koninck
- CERVO Brain Research Centre, Québec Mental Health Institute, Québec City, QC, Canada
- Department of Psychiatry and Neuroscience, Université Laval, Québec City, QC, Canada
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12
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Antonoudiou P, Stone B, Colmers PLW, Evans-Strong A, Walton N, Maguire J. Influence of chronic stress on network states governing valence processing: Potential relevance to the risk for psychiatric illnesses. J Neuroendocrinol 2023; 35:e13274. [PMID: 37186481 PMCID: PMC11025365 DOI: 10.1111/jne.13274] [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: 01/07/2023] [Revised: 03/23/2023] [Accepted: 03/29/2023] [Indexed: 05/17/2023]
Abstract
Stress is a major risk factor for psychiatric illnesses and understanding the mechanisms through which stress disrupts behavioral states is imperative to understanding the underlying pathophysiology of mood disorders. Both chronic stress and early life stress alter valence processing, the process of assigning value to sensory inputs and experiences (positive or negative), which determines subsequent behavior and is essential for emotional processing and ultimately survival. Stress disrupts valence processing in both humans and preclinical models, favoring negative valence processing and impairing positive valence processing. Valence assignment involves neural computations performed in emotional processing hubs, including the amygdala, prefrontal cortex, and ventral hippocampus, which can be influenced by neuroendocrine mediators. Oscillations within and between these regions are critical for the neural computations necessary to perform valence processing functions. Major advances in the field have demonstrated a role for oscillatory states in valence processing under physiological conditions and emerging studies are exploring how these network states are altered under pathophysiological conditions and impacted by neuroendocrine factors. The current review highlights what is currently known regarding the impact of stress and the role of neuroendocrine mediators on network states and valence processing. Further, we propose a model in which chronic stress alters information routing through emotional processing hubs, resulting in a facilitation of negative valence processing and a suppression of positive valence processing.
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Affiliation(s)
| | - Bradly Stone
- Tufts University School of Medicine, Boston, Massachusetts, USA
| | | | | | - Najah Walton
- Tufts University School of Medicine, Boston, Massachusetts, USA
| | - Jamie Maguire
- Tufts University School of Medicine, Boston, Massachusetts, USA
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13
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Miao HT, Song RX, Xin Y, Wang LY, Lv JM, Liu NN, Wu ZY, Zhang W, Li Y, Zhang DX, Zhang LM. Spautin-1 Protects Against Mild TBI-Induced Anxiety-Like Behavior in Mice via Immunologically Silent Apoptosis. Neuromolecular Med 2023; 25:336-349. [PMID: 36745326 DOI: 10.1007/s12017-023-08737-2] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2022] [Accepted: 01/19/2023] [Indexed: 02/07/2023]
Abstract
Anxiety is reportedly one of the most common mental changes after traumatic brain injury (TBI). Perineuronal nets (PNNs) produced by astrocytes in the lateral hypothalamus (LHA) that surround gamma-aminobutyric acid-ergic (GABAergic) neurons have been associated with anxiety. The potent anti-tumor effects of Spautin-1, a novel autophagy inhibitor, have been documented in malignant melanoma; moreover, the inhibition of autophagy is reported to mitigate anxiety disorders. However, little is known about the ability of spautin-1 to alleviate anxiety. In this study, we sought to investigate whether spautin-1 could alleviate anxiety-like behaviors post-TBI by reducing the loss of PNNs in the LHA. A mild TBI was established in mice through Feeney's weight-drop model. Then, Spautin-1 (20 mmol/2 μl) was immediately administered into the left lateral ventricle. Behavioral and pathological changes were assessed at 24 h, 7 days, 30 days, 31 days and 32 days after TBI by the neurological severity scores (NSS), open field test (OFT), elevated plus-maze (EPM) test, western blot, immunofluorescence assays and electron microscopy. Spautin-1 significantly reversed TBI-induced decreased time in the central zone during OFT and in the open-arm during the EPM test. Spautin-1 also increased PNNs around GABAergic neurons indicated by WFA- plus GAD2- positive A2-type astrocytes and attenuated M1-type microglia in the LHA 32 days after TBI compared to TBI alone. Moreover, compared to mice that only underwent TBI, spautin-1 downregulated autophagic vacuoles, abnormal organelles, the expression of Beclin 1, USP13, phospho-TBK1, and phospho-IRF3 and upregulated the levels of cleaved caspase-3, -7 and -9, but failed to increase TUNEL-positive cells in the LHA at 24 h. Spautin-1 alleviated anxiety-like behavior in mice exposed to mild TBI; this protective mechanism may be associated with decreased PNNs loss around GABAergic neurons via immunologically silent apoptosis induced by the caspase cascade.
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Affiliation(s)
- Hui-Tao Miao
- Department of Anesthesiology, Hebei Province Cangzhou Hospital of Integrated Traditional and Western Medicine, Cangzhou, China
| | - Rong-Xin Song
- Department of Anesthesiology, Cangzhou Central Hospital, Hebei Medical University, Cangzhou, China
| | - Yue Xin
- Department of Anesthesiology, Hebei Province Cangzhou Hospital of Integrated Traditional and Western Medicine, Cangzhou, China
| | - Lu-Ying Wang
- Department of Anesthesia and Trauma Research, Hebei Province Cangzhou Hospital of Integrated Traditional and Western Medicine, Cangzhou, China
| | - Jin-Meng Lv
- Department of Anesthesia and Trauma Research, Hebei Province Cangzhou Hospital of Integrated Traditional and Western Medicine, Cangzhou, China
| | - Na-Na Liu
- Department of Pediatric, Cangzhou Central Hospital, Cangzhou, China
| | - Zhi-You Wu
- Department of Neurosurgery, Cangzhou Central Hospital, Hebei Medical University, Cangzhou, China
| | - Wei Zhang
- Department of Anesthesiology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Yan Li
- Department of Anesthesiology, Cangzhou Central Hospital, Hebei Medical University, Cangzhou, China
| | - Dong-Xue Zhang
- Department of Gerontology, Cangzhou Central Hospital, Cangzhou, China
| | - Li-Min Zhang
- Department of Anesthesiology, Hebei Province Cangzhou Hospital of Integrated Traditional and Western Medicine, Cangzhou, China.
- Hebei Key Laboratory of Integrated Traditional and Western Medicine in Osteoarthrosis Research (Preparing), Cangzhou, China.
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14
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Zhou R, Huang C, Bi N, Li L, Li C, Gu X, Song Y, Wang HL. Chronic Pb Exposure Induces Anxiety and Depression-like Behaviors in Mice via Excitatory Neuronal Hyperexcitability in Ventral Hippocampal Dentate Gyrus. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2023; 57:12222-12233. [PMID: 37559393 DOI: 10.1021/acs.est.3c03426] [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: 08/11/2023]
Abstract
Lead (Pb) is a widespread neurotoxic pollutant. Pb exposure is associated with mood disorders, with no well-established neural mechanisms elucidated. In the present study, we aimed to investigate whether excitatory neurons in the dentate gyrus subregion of the ventral hippocampus (vDG) played a key role in Pb-induced anxiety and depression-like behaviors. C57BL/6 mice were exposed to 100 ppm Pb starting on day 1 of pregnancy until experiments were performed using the offspring. Behavioral studies suggested that chronic Pb exposure triggered anxiety and depression-like behaviors. A combination of electrophysiological, optogenetic, and immunohistochemistry experiments was conducted. Results showed that Pb exposure resulted in excitatory neuronal hyperexcitability in vDG and that the behavioral deficits caused by Pb exposure could be rescued by inhibition of excitatory neuronal activity. Moreover, it was found that the action potential (AP) threshold of excitatory neurons was decreased by electrophysiological recordings. Our study demonstrates a significant role for excitatory neurons in vDG in Pb-induced anxiety and depression-like behaviors in mice, which is likely a result of decreased AP threshold. These outcomes can serve as an important basis for understanding mechanisms of anxiety and depression under environmental Pb exposure and help in the design of therapeutic strategies.
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Affiliation(s)
- Ruiqing Zhou
- School of Food and Biological Engineering, Hefei University of Technology, Hefei 230000, Anhui, PR China
| | - Chengqing Huang
- School of Food and Biological Engineering, Hefei University of Technology, Hefei 230000, Anhui, PR China
| | - Nanxi Bi
- School of Food and Biological Engineering, Hefei University of Technology, Hefei 230000, Anhui, PR China
| | - Ling Li
- School of Food and Biological Engineering, Hefei University of Technology, Hefei 230000, Anhui, PR China
| | - Changqing Li
- School of Food and Biological Engineering, Hefei University of Technology, Hefei 230000, Anhui, PR China
| | - Xiaozhen Gu
- School of Food and Biological Engineering, Hefei University of Technology, Hefei 230000, Anhui, PR China
| | - Yang Song
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, PR China
| | - Hui-Li Wang
- School of Food and Biological Engineering, Hefei University of Technology, Hefei 230000, Anhui, PR China
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15
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Biro L, Miskolczi C, Szebik H, Bruzsik B, Varga ZK, Szente L, Toth M, Halasz J, Mikics E. Post-weaning social isolation in male mice leads to abnormal aggression and disrupted network organization in the prefrontal cortex: Contribution of parvalbumin interneurons with or without perineuronal nets. Neurobiol Stress 2023; 25:100546. [PMID: 37323648 PMCID: PMC10265620 DOI: 10.1016/j.ynstr.2023.100546] [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: 04/03/2023] [Revised: 05/10/2023] [Accepted: 05/28/2023] [Indexed: 06/17/2023] Open
Abstract
Adverse social experiences during childhood increase the risk of developing aggression-related psychopathologies. The prefrontal cortex (PFC) is a key regulator of social behavior, where experience-dependent network development is tied to the maturation of parvalbumin-positive (PV+) interneurons. Maltreatment in childhood could impact PFC development and lead to disturbances in social behavior during later life. However, our knowledge regarding the impact of early-life social stress on PFC operation and PV+ cell function is still scarce. Here, we used post-weaning social isolation (PWSI) to model early-life social neglect in mice and to study the associated neuronal changes in the PFC, additionally distinguishing between the two main subpopulations of PV+ interneurons, i.e. those without or those enwrapped by perineuronal nets (PNN). For the first time to such detailed extent in mice, we show that PWSI induced disturbances in social behavior, including abnormal aggression, excessive vigilance and fragmented behavioral organization. PWSI mice showed altered resting-state and fighting-induced co-activation patterns between orbitofrontal and medial PFC (mPFC) subregions, with a particularly highly elevated activity in the mPFC. Surprisingly, aggressive interaction was associated with a higher recruitment of mPFC PV+ neurons that were surrounded by PNN in PWSI mice that seemed to mediate the emergence of social deficits. PWSI did not affect the number of PV+ neurons and PNN density, but enhanced PV and PNN intensity as well as cortical and subcortical glutamatergic drive onto mPFC PV+ neurons. Our results suggest that the increased excitatory input of PV+ cells could emerge as a compensatory mechanism for the PV+ neuron-mediated impaired inhibition of mPFC layer 5 pyramidal neurons, since we found lower numbers of GABAergic PV+ puncta on the perisomatic region of these cells. In conclusion, PWSI leads to altered PV-PNN activity and impaired excitatory/inhibitory balance in the mPFC, which possibly contributes to social behavioral disruptions seen in PWSI mice. Our data advances our understanding on how early-life social stress can impact the maturing PFC and lead to the development of social abnormalities in adulthood.
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Affiliation(s)
- Laszlo Biro
- Institute of Experimental Medicine, Laboratory of Translational Behavioural Neuroscience, 1083 Budapest, Szigony utca 43., Hungary
| | - Christina Miskolczi
- Institute of Experimental Medicine, Laboratory of Translational Behavioural Neuroscience, 1083 Budapest, Szigony utca 43., Hungary
- Janos Szentagothai Doctoral School of Neurosciences, Semmelweis University, 1085 Budapest, Ulloi ut 26., Hungary
| | - Huba Szebik
- Institute of Experimental Medicine, Laboratory of Translational Behavioural Neuroscience, 1083 Budapest, Szigony utca 43., Hungary
- Janos Szentagothai Doctoral School of Neurosciences, Semmelweis University, 1085 Budapest, Ulloi ut 26., Hungary
| | - Biborka Bruzsik
- Institute of Experimental Medicine, Laboratory of Translational Behavioural Neuroscience, 1083 Budapest, Szigony utca 43., Hungary
| | - Zoltan Kristof Varga
- Institute of Experimental Medicine, Laboratory of Translational Behavioural Neuroscience, 1083 Budapest, Szigony utca 43., Hungary
| | - Laszlo Szente
- Institute of Experimental Medicine, Laboratory of Translational Behavioural Neuroscience, 1083 Budapest, Szigony utca 43., Hungary
- Janos Szentagothai Doctoral School of Neurosciences, Semmelweis University, 1085 Budapest, Ulloi ut 26., Hungary
| | - Mate Toth
- Institute of Experimental Medicine, Laboratory of Translational Behavioural Neuroscience, 1083 Budapest, Szigony utca 43., Hungary
| | - Jozsef Halasz
- Institute of Experimental Medicine, Laboratory of Translational Behavioural Neuroscience, 1083 Budapest, Szigony utca 43., Hungary
| | - Eva Mikics
- Institute of Experimental Medicine, Laboratory of Translational Behavioural Neuroscience, 1083 Budapest, Szigony utca 43., Hungary
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16
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Lepow L, Morishita H, Yehuda R. Critical Period Plasticity as a Framework for Psychedelic-Assisted Psychotherapy. FOCUS (AMERICAN PSYCHIATRIC PUBLISHING) 2023; 21:329-336. [PMID: 37404962 PMCID: PMC10316207 DOI: 10.1176/appi.focus.23021012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/06/2023]
Abstract
As psychedelic compounds gain traction in psychiatry, there is a need to consider the active mechanism to explain the effect observed in randomized clinical trials. Traditionally, biological psychiatry has asked how compounds affect the causal pathways of illness to reduce symptoms and therefore focus on analysis of the pharmacologic properties. In psychedelic-assisted psychotherapy (PAP), there is debate about whether ingestion of the psychedelic alone is thought to be responsible for the clinical outcome. A question arises how the medication and psychotherapeutic intervention together might lead to neurobiological changes that underlie recovery from illness such as post-traumatic stress disorder (PTSD). This paper offers a framework for investigating the neurobiological basis of PAP by extrapolating from models used to explain how a pharmacologic intervention might create an optimal brain state during which environmental input has enduring effects. Specifically, there are developmental "critical" periods (CP) with exquisite sensitivity to environmental input; the biological characteristics are largely unknown. We discuss a hypothesis that psychedelics may remove the brakes on adult neuroplasticity, inducing a state similar to that of neurodevelopment. In the visual system, progress has been made both in identifying the biological conditions which distinguishes the CP and in manipulating the active ingredients with the idea that we might pharmacologically reopen a critical period in adulthood. We highlight ocular dominance plasticity (ODP) in the visual system as a model for characterizing CP in limbic systems relevant to psychiatry. A CP framework may help to integrate the neuroscientific inquiry with the influence of the environment both in development and in PAP. Appeared originally in Front Neurosci 2021; 15:710004.
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Affiliation(s)
- Lauren Lepow
- Department of Psychiatry, Icahn School of Medicine Mount Sinai, New York, NY, United States (all authors). Department of Neuroscience, Icahn School of Medicine Mount Sinai, New York, NY, United States (Lepow, Morishita). Department of Ophthalmology, Icahn School of Medicine Mount Sinai, New York, NY, United States (Morishita). Department of Psychiatry, James J. Peters Veterans Affairs Medical Center, Bronx, NY, United States (Yehuda)
| | - Hirofumi Morishita
- Department of Psychiatry, Icahn School of Medicine Mount Sinai, New York, NY, United States (all authors). Department of Neuroscience, Icahn School of Medicine Mount Sinai, New York, NY, United States (Lepow, Morishita). Department of Ophthalmology, Icahn School of Medicine Mount Sinai, New York, NY, United States (Morishita). Department of Psychiatry, James J. Peters Veterans Affairs Medical Center, Bronx, NY, United States (Yehuda)
| | - Rachel Yehuda
- Department of Psychiatry, Icahn School of Medicine Mount Sinai, New York, NY, United States (all authors). Department of Neuroscience, Icahn School of Medicine Mount Sinai, New York, NY, United States (Lepow, Morishita). Department of Ophthalmology, Icahn School of Medicine Mount Sinai, New York, NY, United States (Morishita). Department of Psychiatry, James J. Peters Veterans Affairs Medical Center, Bronx, NY, United States (Yehuda)
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17
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Shi HJ, Wang S, Wang XP, Zhang RX, Zhu LJ. Hippocampus: Molecular, Cellular, and Circuit Features in Anxiety. Neurosci Bull 2023; 39:1009-1026. [PMID: 36680709 PMCID: PMC10264315 DOI: 10.1007/s12264-023-01020-1] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2022] [Accepted: 11/13/2022] [Indexed: 01/22/2023] Open
Abstract
Anxiety disorders are currently a major psychiatric and social problem, the mechanisms of which have been only partially elucidated. The hippocampus serves as a major target of stress mediators and is closely related to anxiety modulation. Yet so far, its complex anatomy has been a challenge for research on the mechanisms of anxiety regulation. Recent advances in imaging, virus tracking, and optogenetics/chemogenetics have permitted elucidation of the activity, connectivity, and function of specific cell types within the hippocampus and its connected brain regions, providing mechanistic insights into the elaborate organization of the hippocampal circuitry underlying anxiety. Studies of hippocampal neurotransmitter systems, including glutamatergic, GABAergic, cholinergic, dopaminergic, and serotonergic systems, have contributed to the interpretation of the underlying neural mechanisms of anxiety. Neuropeptides and neuroinflammatory factors are also involved in anxiety modulation. This review comprehensively summarizes the hippocampal mechanisms associated with anxiety modulation, based on molecular, cellular, and circuit properties, to provide tailored targets for future anxiety treatment.
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Affiliation(s)
- Hu-Jiang Shi
- Key Laboratory of Developmental Genes and Human Diseases, MOE, Department of Histology and Embryology, School of Medicine, Southeast University, Nanjing, 210009, China
| | - Shuang Wang
- Key Laboratory of Developmental Genes and Human Diseases, MOE, Department of Histology and Embryology, School of Medicine, Southeast University, Nanjing, 210009, China
| | - Xin-Ping Wang
- Key Laboratory of Developmental Genes and Human Diseases, MOE, Department of Histology and Embryology, School of Medicine, Southeast University, Nanjing, 210009, China
| | - Rui-Xin Zhang
- Key Laboratory of Developmental Genes and Human Diseases, MOE, Department of Histology and Embryology, School of Medicine, Southeast University, Nanjing, 210009, China
| | - Li-Juan Zhu
- Key Laboratory of Developmental Genes and Human Diseases, MOE, Department of Histology and Embryology, School of Medicine, Southeast University, Nanjing, 210009, China.
- Shanghai Mental Health Center, Shanghai Jiao Tong University School of Medicine, Shanghai, 201108, China.
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18
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Ye Y, Mattingly MM, Sunthimer MJ, Gay JD, Rosen MJ. Early-Life Stress Impairs Perception and Neural Encoding of Rapid Signals in the Auditory Pathway. J Neurosci 2023; 43:3232-3244. [PMID: 36973014 PMCID: PMC10162457 DOI: 10.1523/jneurosci.1787-22.2023] [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: 09/19/2022] [Revised: 01/24/2023] [Accepted: 03/03/2023] [Indexed: 03/29/2023] Open
Abstract
During developmental critical periods (CPs), early-life stress (ELS) induces cognitive deficits and alters neural circuitry in regions underlying learning, memory, and attention. Mechanisms underlying critical period plasticity are shared by sensory cortices and these higher neural regions, suggesting that sensory processing may also be vulnerable to ELS. In particular, the perception and auditory cortical (ACx) encoding of temporally-varying sounds both mature gradually, even into adolescence, providing an extended postnatal window of susceptibility. To examine the effects of ELS on temporal processing, we developed a model of ELS in the Mongolian gerbil, a well-established model for auditory processing. In both male and female animals, ELS induction impaired the behavioral detection of short gaps in sound, which are critical for speech perception. This was accompanied by reduced neural responses to gaps in auditory cortex, the auditory periphery, and auditory brainstem. ELS thus degrades the fidelity of sensory representations available to higher regions, and could contribute to well-known ELS-induced problems with cognition.SIGNIFICANCE STATEMENT In children and animal models, early-life stress (ELS) leads to deficits in cognition, including problems with learning, memory, and attention. Such problems could arise in part from a low-fidelity representation of sensory information available to higher-level neural regions. Here, we demonstrate that ELS degrades sensory responses to rapid variations in sound at multiple levels of the auditory pathway, and concurrently impairs perception of these rapidly-varying sounds. As these sound variations are intrinsic to speech, ELS may thus pose a challenge to communication and cognition through impaired sensory encoding.
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Affiliation(s)
- Yi Ye
- Hearing Research Group, Department of Anatomy and Neurobiology, Northeast Ohio Medical University, Rootstown, Ohio, 44272
- Brain Health Research Institute, Kent State University, Kent, Ohio, 44242
| | - Michelle M Mattingly
- Hearing Research Group, Department of Anatomy and Neurobiology, Northeast Ohio Medical University, Rootstown, Ohio, 44272
| | - Matthew J Sunthimer
- Hearing Research Group, Department of Anatomy and Neurobiology, Northeast Ohio Medical University, Rootstown, Ohio, 44272
| | - Jennifer D Gay
- Hearing Research Group, Department of Anatomy and Neurobiology, Northeast Ohio Medical University, Rootstown, Ohio, 44272
- Department of Otolaryngology, Head and Neck Surgery, Rutgers Robert Wood Johnson Medical School, New Brunswick, New Jersey, 08901
| | - Merri J Rosen
- Hearing Research Group, Department of Anatomy and Neurobiology, Northeast Ohio Medical University, Rootstown, Ohio, 44272
- Brain Health Research Institute, Kent State University, Kent, Ohio, 44242
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19
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Senay O, Seethaler M, Makris N, Yeterian E, Rushmore J, Cho KIK, Rizzoni E, Heller C, Pasternak O, Szczepankiewicz F, Westin C, Losak J, Ustohal L, Tomandl J, Vojtisek L, Kudlicka P, Kikinis Z, Holt D, Lewandowski KE, Lizano P, Keshavan MS, Öngür D, Kasparek T, Breier A, Shenton ME, Seitz‐Holland J, Kubicki M. A preliminary choroid plexus volumetric study in individuals with psychosis. Hum Brain Mapp 2023; 44:2465-2478. [PMID: 36744628 PMCID: PMC10028672 DOI: 10.1002/hbm.26224] [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: 05/05/2022] [Revised: 12/13/2022] [Accepted: 01/21/2023] [Indexed: 02/07/2023] Open
Abstract
The choroid plexus (ChP) is part of the blood-cerebrospinal fluid barrier, regulating brain homeostasis and the brain's response to peripheral events. Its upregulation and enlargement are considered essential in psychosis. However, the timing of the ChP enlargement has not been established. This study introduces a novel magnetic resonance imaging-based segmentation method to examine ChP volumes in two cohorts of individuals with psychosis. The first sample consists of 41 individuals with early course psychosis (mean duration of illness = 1.78 years) and 30 healthy individuals. The second sample consists of 30 individuals with chronic psychosis (mean duration of illness = 7.96 years) and 34 healthy individuals. We utilized manual segmentation to measure ChP volumes. We applied ANCOVAs to compare normalized ChP volumes between groups and partial correlations to investigate the relationship between ChP, LV volumes, and clinical characteristics. Our segmentation demonstrated good reliability (.87). We further showed a significant ChP volume increase in early psychosis (left: p < .00010, right: p < .00010) and a significant positive correlation between higher ChP and higher LV volumes in chronic psychosis (left: r = .54, p = .0030, right: r = .68; p < .0010). Our study suggests that ChP enlargement may be a marker of acute response around disease onset. It might also play a modulatory role in the chronic enlargement of lateral ventricles, often reported in psychosis. Future longitudinal studies should investigate the dynamics of ChP enlargement as a promising marker for novel therapeutic strategies.
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Affiliation(s)
- Olcay Senay
- Department of PsychiatryBrigham and Women's Hospital, Harvard Medical SchoolBostonMassachusettsUSA
- Department of PsychiatryIstanbul Faculty of Medicine, Istanbul UniversityIstanbulTurkey
| | - Magdalena Seethaler
- Department of PsychiatryBrigham and Women's Hospital, Harvard Medical SchoolBostonMassachusettsUSA
- Department of Psychiatry and Psychotherapy, Campus Charité MittePsychiatric University Hospital Charité at St. Hedwig Hospital, Charité‐Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt‐Universität zu Berlin and Berlin Institute of HealthBerlinGermany
| | - Nikos Makris
- Department of PsychiatryBrigham and Women's Hospital, Harvard Medical SchoolBostonMassachusettsUSA
- Department of Anatomy and NeurobiologyBoston University School of MedicineBostonMassachusettsUSA
- Center for Morphometric Analysis, Department of PsychiatryMassachusetts General HospitalCharlestownMassachusettsUSA
| | - Edward Yeterian
- Department of PsychiatryBrigham and Women's Hospital, Harvard Medical SchoolBostonMassachusettsUSA
- Center for Morphometric Analysis, Department of PsychiatryMassachusetts General HospitalCharlestownMassachusettsUSA
- Department of PsychologyColby CollegeWatervilleMaineUSA
| | - Jarrett Rushmore
- Department of PsychiatryBrigham and Women's Hospital, Harvard Medical SchoolBostonMassachusettsUSA
- Department of Anatomy and NeurobiologyBoston University School of MedicineBostonMassachusettsUSA
- Center for Morphometric Analysis, Department of PsychiatryMassachusetts General HospitalCharlestownMassachusettsUSA
| | - Kang Ik K. Cho
- Department of PsychiatryBrigham and Women's Hospital, Harvard Medical SchoolBostonMassachusettsUSA
| | - Elizabeth Rizzoni
- Department of PsychiatryBrigham and Women's Hospital, Harvard Medical SchoolBostonMassachusettsUSA
| | - Carina Heller
- Department of PsychiatryBrigham and Women's Hospital, Harvard Medical SchoolBostonMassachusettsUSA
- Department of Clinical PsychologyFriedrich‐Schiller‐University JenaJenaGermany
| | - Ofer Pasternak
- Department of PsychiatryBrigham and Women's Hospital, Harvard Medical SchoolBostonMassachusettsUSA
| | - Filip Szczepankiewicz
- Department of RadiologyBrigham and Women's Hospital, Harvard Medical SchoolBostonMassachusettsUSA
| | - Carl‐Frederik Westin
- Department of RadiologyBrigham and Women's Hospital, Harvard Medical SchoolBostonMassachusettsUSA
| | - Jan Losak
- Central European Institute of Technology (CEITEC)Masaryk University, Neuroscience Centre, Brno, Czech Republic; Departments of Psychiatry and Biochemistry, Faculty of Medicine, Masaryk University and University Hospital BrnoBrnoCzech Republic
| | - Libor Ustohal
- Central European Institute of Technology (CEITEC)Masaryk University, Neuroscience Centre, Brno, Czech Republic; Departments of Psychiatry and Biochemistry, Faculty of Medicine, Masaryk University and University Hospital BrnoBrnoCzech Republic
| | - Josef Tomandl
- Central European Institute of Technology (CEITEC)Masaryk University, Neuroscience Centre, Brno, Czech Republic; Departments of Psychiatry and Biochemistry, Faculty of Medicine, Masaryk University and University Hospital BrnoBrnoCzech Republic
| | - Lubomir Vojtisek
- Central European Institute of Technology (CEITEC)Masaryk University, Neuroscience Centre, Brno, Czech Republic; Departments of Psychiatry and Biochemistry, Faculty of Medicine, Masaryk University and University Hospital BrnoBrnoCzech Republic
| | - Peter Kudlicka
- Central European Institute of Technology (CEITEC)Masaryk University, Neuroscience Centre, Brno, Czech Republic; Departments of Psychiatry and Biochemistry, Faculty of Medicine, Masaryk University and University Hospital BrnoBrnoCzech Republic
| | - Zora Kikinis
- Department of PsychiatryBrigham and Women's Hospital, Harvard Medical SchoolBostonMassachusettsUSA
| | - Daphne Holt
- Department of PsychiatryMassachusetts General Hospital, Harvard Medical SchoolBostonMassachusettsUSA
| | | | - Paulo Lizano
- Department of Psychiatry, Beth Israel Deaconess Medical CenterHarvard Medical SchoolBostonMassachusettsUSA
| | - Matcheri S. Keshavan
- Department of Psychiatry, Beth Israel Deaconess Medical CenterHarvard Medical SchoolBostonMassachusettsUSA
| | - Dost Öngür
- Department of Psychiatry, McLean HospitalHarvard Medical SchoolBelmontMassachusettsUSA
| | - Tomas Kasparek
- Department of Psychiatry, Faculty of MedicineMasaryk University and University Hospital BrnoBrnoCzech Republic
| | - Alan Breier
- Department of PsychiatryIndiana University School of MedicineIndianapolisIndianaUSA
| | - Martha E. Shenton
- Department of PsychiatryBrigham and Women's Hospital, Harvard Medical SchoolBostonMassachusettsUSA
- Department of RadiologyBrigham and Women's Hospital, Harvard Medical SchoolBostonMassachusettsUSA
| | - Johanna Seitz‐Holland
- Department of PsychiatryBrigham and Women's Hospital, Harvard Medical SchoolBostonMassachusettsUSA
- Department of PsychiatryMassachusetts General Hospital, Harvard Medical SchoolBostonMassachusettsUSA
| | - Marek Kubicki
- Department of PsychiatryBrigham and Women's Hospital, Harvard Medical SchoolBostonMassachusettsUSA
- Department of RadiologyBrigham and Women's Hospital, Harvard Medical SchoolBostonMassachusettsUSA
- Department of PsychiatryMassachusetts General Hospital, Harvard Medical SchoolBostonMassachusettsUSA
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20
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Cope EC, Wang SH, Waters RC, Gore IR, Vasquez B, Laham BJ, Gould E. Activation of the CA2-ventral CA1 pathway reverses social discrimination dysfunction in Shank3B knockout mice. Nat Commun 2023; 14:1750. [PMID: 36991001 PMCID: PMC10060401 DOI: 10.1038/s41467-023-37248-8] [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: 06/10/2022] [Accepted: 03/07/2023] [Indexed: 03/30/2023] Open
Abstract
Mutation or deletion of the SHANK3 gene, which encodes a synaptic scaffolding protein, is linked to autism spectrum disorder and Phelan-McDermid syndrome, conditions associated with social memory impairments. Shank3B knockout mice also exhibit social memory deficits. The CA2 region of the hippocampus integrates numerous inputs and sends a major output to the ventral CA1 (vCA1). Despite finding few differences in excitatory afferents to the CA2 in Shank3B knockout mice, we found that activation of CA2 neurons as well as the CA2-vCA1 pathway restored social recognition function to wildtype levels. vCA1 neuronal oscillations have been linked to social memory, but we observed no differences in these measures between wildtype and Shank3B knockout mice. However, activation of the CA2 enhanced vCA1 theta power in Shank3B knockout mice, concurrent with behavioral improvements. These findings suggest that stimulating adult circuitry in a mouse model with neurodevelopmental impairments can invoke latent social memory function.
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Affiliation(s)
- Elise C Cope
- Princeton Neuroscience Institute, Princeton University, Princeton, NJ, 08544, USA
- Department of Neuroscience, University of Virginia School of Medicine, Charlottesville, VA, 22908, USA
| | - Samantha H Wang
- Princeton Neuroscience Institute, Princeton University, Princeton, NJ, 08544, USA
| | - Renée C Waters
- Princeton Neuroscience Institute, Princeton University, Princeton, NJ, 08544, USA
| | - Isha R Gore
- Princeton Neuroscience Institute, Princeton University, Princeton, NJ, 08544, USA
| | - Betsy Vasquez
- Princeton Neuroscience Institute, Princeton University, Princeton, NJ, 08544, USA
| | - Blake J Laham
- Princeton Neuroscience Institute, Princeton University, Princeton, NJ, 08544, USA
| | - Elizabeth Gould
- Princeton Neuroscience Institute, Princeton University, Princeton, NJ, 08544, USA.
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21
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Warhaftig G, Almeida D, Turecki G. Early life adversity across different cell- types in the brain. Neurosci Biobehav Rev 2023; 148:105113. [PMID: 36863603 DOI: 10.1016/j.neubiorev.2023.105113] [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: 11/30/2022] [Revised: 02/13/2023] [Accepted: 02/24/2023] [Indexed: 03/04/2023]
Abstract
Early life adversity (ELA)- which includes physical, psychological, emotional, and sexual abuse is one of the most common predictors to diverse psychopathologies later in adulthood. As ELA has a lasting impact on the brain at a developmental stage, recent findings from the field highlighted the specific contributions of different cell types to ELA and their association with long lasting consequences. In this review we will gather recent findings describing morphological, transcriptional and epigenetic alterations within neurons, glia and perineuronal nets and their associated cellular subpopulation. The findings reviewed and summarized here highlight important mechanisms underlying ELA and point to therapeutic approaches for ELA and related psychopathologies later in life.
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Affiliation(s)
- Gal Warhaftig
- McGill Group for Suicide Studies, Douglas Hospital Research Center, Montreal QC H4H 1R3, Canada
| | - Daniel Almeida
- McGill Group for Suicide Studies, Douglas Hospital Research Center, Montreal QC H4H 1R3, Canada
| | - Gustavo Turecki
- McGill Group for Suicide Studies, Douglas Hospital Research Center, Montreal QC H4H 1R3, Canada; Department of Psychiatry, McGill University, Montreal QC H3A 1A1, Canada.
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22
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Zhu X, Grace AA. Sex- and exposure age-dependent effects of adolescent stress on ventral tegmental area dopamine system and its afferent regulators. Mol Psychiatry 2023; 28:611-624. [PMID: 36224257 PMCID: PMC9918682 DOI: 10.1038/s41380-022-01820-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/14/2022] [Revised: 09/21/2022] [Accepted: 09/26/2022] [Indexed: 11/09/2022]
Abstract
Adolescent stress is a risk factor for schizophrenia. Emerging evidence suggests that age-dependent sensitive windows for childhood trauma are associated more strongly with adult psychosis, but the neurobiological basis and potential sex differences are unknown.Using in vivo electrophysiology and immunohistology in rats, we systematically compared the effects of two age-defined adolescent stress paradigms, prepubertal (postnatal day [PD] 21-30; PreP-S) and postpubertal (PD41-50; PostP-S) foot-shock and restraint combined stress, on ventral tegmental area (VTA) dopaminergic activity, pyramidal neuron activity in the ventral hippocampus (vHipp) and the basolateral amygdala (BLA), corticoamygdalar functional inhibitory control, and vHipp and BLA parvalbumin interneuron (PVI) impairments. These endpoints were selected based on their well-documented roles in the pathophysiology of psychosis.Overall, we found distinct sex- and exposure age-dependent stress vulnerability. Specifically, while males were selectively vulnerable to PreP-S-induced adult VTA dopamine neuron and vHipp hyperactivities, females were selectively vulnerable to PostP-S. These male selective PreP-S effects were correlated with stress-induced aberrant persistent BLA hyperactivity, dysfunctional prefrontal inhibitory control of BLA neurons, and vHipp/BLA PVI impairments. In contrast, female PostP-S only produced vHipp PVI impairments in adults, with the BLA structure and functions largely unaffected.Our results indicated distinct adolescent-sensitive periods during which stress can sex-dependently confer maximal risks to corticolimbic systems to drive dopamine hyperactivity, which provide critical insights into the neurobiological basis for sex-biased stress-related psychopathologies emphasizing but not limited to schizophrenia. Furthermore, our work also provides a framework for future translational research on age-sensitive targeted interventions.
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Affiliation(s)
- Xiyu Zhu
- Department of Neuroscience, University of Pittsburgh, PA, USA
| | - Anthony A. Grace
- Department of Neuroscience, University of Pittsburgh, PA, USA,Department of Psychiatry, University of Pittsburgh, PA, USA,Department of Psychology, University of Pittsburgh, PA, USA,Corresponding author: Anthony A Grace;
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23
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Tran The J, Magistretti PJ, Ansermet F. The critical periods of cerebral plasticity: A key aspect in a dialog between psychoanalysis and neuroscience centered on the psychopathology of schizophrenia. Front Mol Neurosci 2022; 15:1057539. [PMID: 36590919 PMCID: PMC9795046 DOI: 10.3389/fnmol.2022.1057539] [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: 10/06/2022] [Accepted: 11/11/2022] [Indexed: 12/15/2022] Open
Abstract
Through research into the molecular and cellular mechanisms that occur during critical periods, recent experimental neurobiological data have brought to light the importance of early childhood. These have demonstrated that childhood and early environmental stimuli play a part not only in our subjective construction, but also in brain development; thus, confirming Freud's intuition regarding the central role of childhood and early experiences of the environment in our psychological development and our subjective outcomes. "Critical periods" of cerebral development represent temporal windows that mark favorable, but also circumscribed, moments in developmental cerebral plasticity. They also vary between different cortical areas. There are, therefore, strictly defined temporal periods for learning language, music, etc., after which this learning becomes more difficult, or even impossible, to acquire. Now, research into these critical periods can be seen as having a significant part to play in the interdisciplinary dialog between psychoanalysis and neurosciences with regard to the role of early experiences in the etiology of some psychopathological conditions. Research into the cellular and molecular mechanisms controlling the onset and end of these critical periods, notably controlled by the maturation of parvalbumin-expressing basket cells, have brought to light the presence of anomalies in the maturation of these neurons in patients with schizophrenia. Starting from these findings we propose revisiting the psychoanalytic theories on the etiology of psychosis from an interdisciplinary perspective. Our study works from the observation, common to both psychoanalysis and neurosciences, that experience leaves a trace; be it a "psychic" or a "synaptic" trace. Thus, we develop a hypothesis for an "absence of trace" in psychosis; reexamining psychosis through the prism of the biological theory of critical periods in plasticity.
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Affiliation(s)
- Jessica Tran The
- INSERM U1077 Neuropsychologie et Imagerie de la Mémoire Humaine, Caen, France,Ecole Pratique des Hautes Etudes, Université Paris Sciences et Lettres, Paris, France,UFR de Psychologie, Université de Caen Normandie, Caen, France,Centre Hospitalier Universitaire de Caen, Caen, France,Cyceron, Caen, France,Agalma Foundation Geneva, Chemin des Mines, Switzerland,*Correspondence: Jessica Tran The,
| | - Pierre J. Magistretti
- Agalma Foundation Geneva, Chemin des Mines, Switzerland,Brain Mind Institute, Swiss Federal Institute of Technology Lausanne, Lausanne, Switzerland,Division of Biological and Environmental Sciences and Engineering (BESE), King Abdullah University of Science and Technology, Thuwal, Saudi Arabia
| | - Francois Ansermet
- Agalma Foundation Geneva, Chemin des Mines, Switzerland,Département de Psychiatrie, Faculté de Médecine, Université de Genève, Geneva, Switzerland
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24
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Banerjee T, Pati S, Tiwari P, Vaidya VA. Chronic hM3Dq-DREADD-mediated chemogenetic activation of parvalbumin-positive inhibitory interneurons in postnatal life alters anxiety and despair-like behavior in adulthood in a task- and sex-dependent manner. J Biosci 2022. [DOI: 10.1007/s12038-022-00308-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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25
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Laham BJ, Murthy SS, Hanani M, Clappier M, Boyer S, Vasquez B, Gould E. The estrous cycle modulates early-life adversity effects on mouse avoidance behavior through progesterone signaling. Nat Commun 2022; 13:7537. [PMID: 36476469 PMCID: PMC9729614 DOI: 10.1038/s41467-022-35068-w] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2022] [Accepted: 11/17/2022] [Indexed: 12/13/2022] Open
Abstract
Early-life adversity (ELA) increases the likelihood of neuropsychiatric diagnoses, which are more prevalent in women than men. Since changes in reproductive hormone levels can also increase the probability of anxiety disorders in women, we examined the effects of ELA on adult female mice across the estrous cycle. We found that during diestrus, when progesterone levels are relatively high, ELA mice exhibit increased avoidance behavior and increased theta oscillation power in the ventral hippocampus (vHIP). We also found that diestrus ELA mice had higher levels of progesterone and lower levels of allopregnanolone, a neurosteroid metabolite of progesterone, in the vHIP compared with control-reared mice. Progesterone receptor antagonism normalized avoidance behavior in ELA mice, while treatment with a negative allosteric modulator of allopregnanolone promoted avoidance behavior in control mice. These results suggest that altered vHIP progesterone and allopregnanolone signaling during diestrus increases avoidance behavior in ELA mice.
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Affiliation(s)
- Blake J. Laham
- grid.16750.350000 0001 2097 5006Princeton Neuroscience Institute, Princeton, NJ 08450 USA
| | - Sahana S. Murthy
- grid.16750.350000 0001 2097 5006Princeton Neuroscience Institute, Princeton, NJ 08450 USA
| | - Monica Hanani
- grid.16750.350000 0001 2097 5006Princeton Neuroscience Institute, Princeton, NJ 08450 USA
| | - Mona Clappier
- grid.16750.350000 0001 2097 5006Princeton Neuroscience Institute, Princeton, NJ 08450 USA
| | - Sydney Boyer
- grid.16750.350000 0001 2097 5006Princeton Neuroscience Institute, Princeton, NJ 08450 USA
| | - Betsy Vasquez
- grid.16750.350000 0001 2097 5006Princeton Neuroscience Institute, Princeton, NJ 08450 USA
| | - Elizabeth Gould
- grid.16750.350000 0001 2097 5006Princeton Neuroscience Institute, Princeton, NJ 08450 USA
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26
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Jakovljevic A, Agatonovic G, Aleksic D, Aksic M, Reiss G, Förster E, Stamatakis A, Jakovcevski I, Poleksic J. The impact of early life maternal deprivation on the perineuronal nets in the prefrontal cortex and hippocampus of young adult rats. Front Cell Dev Biol 2022; 10. [PMID: 36518543 PMCID: PMC9742529 DOI: 10.3389/fcell.2022.982663] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/19/2024] Open
Abstract
Early life stress negatively impacts brain development and affects structure and function of parvalbumin immunopositive (PV+) inhibitory neurons. Main regulators of PV+ interneurons activity and plasticity are perineuronal nets (PNNs), an extracellular matrix formation that enwraps PV+ interneurons mainly in the neocortex and hippocampus. To experimentally address the impact of early life stress on the PNNs and PV+ interneurons in the medial prefrontal cortex and dorsal hippocampus in rats, we employed a 24 h maternal deprivation protocol. We show that maternal deprivation in the medial prefrontal cortex of adult rats caused a decrease in density of overall PNNs and PNNs that enwrap PV+ interneurons in the rostral cingulate cortex. Furthermore, a staining intensity decrease of overall PNNs and PNN+/PV+ cells was found in the prelimbic cortex. Finally, a decrease in both intensity and density of overall PNNs and PNNs surrounding PV+ cells was observed in the infralimbic cortex, together with increase in the intensity of VGAT inhibitory puncta. Surprisingly, maternal deprivation did not cause any changes in the density of PV+ interneurons in the mPFC, neither had it affected PNNs and PV+ interneurons in the hippocampus. Taken together, our findings indicate that PNNs, specifically the ones enwrapping PV+ interneurons in the medial prefrontal cortex, are affected by early life stress.
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27
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John U, Patro N, Patro I. Perineuronal nets: Cruise from a honeycomb to the safety nets. Brain Res Bull 2022; 190:179-194. [DOI: 10.1016/j.brainresbull.2022.10.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2022] [Revised: 09/17/2022] [Accepted: 10/05/2022] [Indexed: 11/30/2022]
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28
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Catale C, Martini A, Piscitelli RM, Senzasono B, Iacono LL, Mercuri NB, Guatteo E, Carola V. Early-life social stress induces permanent alterations in plasticity and perineuronal nets in the mouse anterior cingulate cortex. Eur J Neurosci 2022; 56:5763-5783. [PMID: 36117291 DOI: 10.1111/ejn.15825] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2022] [Revised: 08/13/2022] [Accepted: 09/15/2022] [Indexed: 12/29/2022]
Abstract
Child maltreatment disrupts trajectories of brain development, but the underlying pathways are unclear. Stressful stimuli in early life interfere with maturation of local inhibitory circuitry and deposition of perineuronal nets (PNNs), specialized extracellular matrix structures involved in the closure of critical periods of development. Alterations in cortical PNN and parvalbumin (PV) following early-life stress (ELS) have been detected in human and animal studies. Aberrations in the anterior cingulate cortex (ACC) are the most consistent neuroimaging findings in maltreated people, but the molecular mechanisms linking ELS with ACC dysfunctions are unknown. Here, we employed a mouse model of early social threat to test whether ELS experienced in a sensitive period for ACC maturation could induce long-term aberrations of PNN and PV development in the ACC, with consequences on plasticity and ACC-dependent behavior. We found that ELS increased PNN but not PV expression in the ACC of young adult mice. This was associated with reduced frequency of inhibitory postsynaptic currents and long-term potentiation impairments and expression of intense object phobia. Our findings provide information on the long-term effects of ELS on ACC functionality and PNN formation and present evidence for a novel neurobiological pathway underlying the impact of early adversity on the brain.
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Affiliation(s)
- Clarissa Catale
- Division of Experimental Neuroscience, Neurobiology of Behavior Laboratory, IRCCS Santa Lucia Foundation, Rome, Italy
| | - Alessandro Martini
- Division of Experimental Neuroscience, Experimental Neurology Laboratory, IRCCS Santa Lucia Foundation, Rome, Italy
| | - Rosa Maria Piscitelli
- Division of Experimental Neuroscience, Experimental Neurology Laboratory, IRCCS Santa Lucia Foundation, Rome, Italy.,Department of Motor Science and Wellness, Parthenope University of Naples, Naples, Italy
| | | | - Luisa Lo Iacono
- Department of Dynamic and Clinical Psychology, and Health Studies, Sapienza University of Rome, Rome, Italy
| | - Nicola B Mercuri
- Division of Experimental Neuroscience, Experimental Neurology Laboratory, IRCCS Santa Lucia Foundation, Rome, Italy.,Department of Systems Medicine, University of Tor Vergata, Rome, Italy
| | - Ezia Guatteo
- Division of Experimental Neuroscience, Experimental Neurology Laboratory, IRCCS Santa Lucia Foundation, Rome, Italy.,Department of Motor Science and Wellness, Parthenope University of Naples, Naples, Italy
| | - Valeria Carola
- Division of Experimental Neuroscience, Neurobiology of Behavior Laboratory, IRCCS Santa Lucia Foundation, Rome, Italy.,Department of Dynamic and Clinical Psychology, and Health Studies, Sapienza University of Rome, Rome, Italy
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29
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Bitanihirwe BKY, Lizano P, Woo TUW. Deconstructing the functional neuroanatomy of the choroid plexus: an ontogenetic perspective for studying neurodevelopmental and neuropsychiatric disorders. Mol Psychiatry 2022; 27:3573-3582. [PMID: 35618887 PMCID: PMC9133821 DOI: 10.1038/s41380-022-01623-6] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/04/2022] [Revised: 04/15/2022] [Accepted: 05/11/2022] [Indexed: 02/08/2023]
Abstract
The choroid plexus (CP) is a delicate and highly vascularized structure in the brain comprised of a dense network of fenestrated capillary loops that help in the synthesis, secretion and circulation of cerebrospinal fluid (CSF). This unique neuroanatomical structure is comprised of arachnoid villi stemming from frond-like surface projections-that protrude into the lumen of the four cerebral ventricles-providing a key source of nutrients to the brain parenchyma in addition to serving as a 'sink' for central nervous system metabolic waste. In fact, the functions of the CP are often described as being analogous to those of the liver and kidney. Beyond forming a barrier/interface between the blood and CSF compartments, the CP has been identified as a modulator of leukocyte trafficking, inflammation, cognition, circadian rhythm and the gut brain-axis. In recent years, advances in molecular biology techniques and neuroimaging along with the use of sophisticated animal models have played an integral role in shaping our understanding of how the CP-CSF system changes in relation to the maturation of neural circuits during critical periods of brain development. In this article we provide an ontogenetic perspective of the CP and review the experimental evidence implicating this structure in the pathophysiology of neurodevelopmental and neuropsychiatric disorders.
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Affiliation(s)
- Byron K Y Bitanihirwe
- Humanitarian and Conflict Response Institute, University of Manchester, Manchester, UK.
| | - Paulo Lizano
- Department of Psychiatry, Harvard Medical School, Boston, MA, USA
- Department of Psychiatry, Beth Israel Deaconess Medical Center, Boston, MA, USA
- Translational Neuroscience Division, Beth Israel Deaconess Medical Center, Boston, MA, USA
| | - Tsung-Ung W Woo
- Department of Psychiatry, Harvard Medical School, Boston, MA, USA
- Program in Molecular Neuropathology, McLean Hospital, Belmont, MA, USA
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30
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Abstract
Despite strong evidence of the neurodevelopmental origins of psychosis, current pharmacological treatment is not usually initiated until after a clinical diagnosis is made, and is focussed on antagonising striatal dopamine receptors. These drugs are only partially effective, have serious side effects, fail to alleviate the negative and cognitive symptoms of the disorder, and are not useful as a preventive treatment. In recent years, attention has turned to upstream brain regions that regulate striatal dopamine function, such as the hippocampus. This review draws together these recent data to discuss why the hippocampus may be especially vulnerable in the pathophysiology of psychosis. First, we describe the neurodevelopmental trajectory of the hippocampus and its susceptibility to dysfunction, exploring this region's proneness to structural and functional imbalances, metabolic pressures, and oxidative stress. We then examine mechanisms of hippocampal dysfunction in psychosis and in individuals at high-risk for psychosis and discuss how and when hippocampal abnormalities may be targeted in these groups. We conclude with future directions for prospective studies to unlock the discovery of novel therapeutic strategies targeting hippocampal circuit imbalances to prevent or delay the onset of psychosis.
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31
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Early life adversity shapes neural circuit function during sensitive postnatal developmental periods. Transl Psychiatry 2022; 12:306. [PMID: 35915071 PMCID: PMC9343623 DOI: 10.1038/s41398-022-02092-9] [Citation(s) in RCA: 37] [Impact Index Per Article: 18.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/15/2022] [Revised: 07/18/2022] [Accepted: 07/21/2022] [Indexed: 11/24/2022] Open
Abstract
Early life adversity (ELA) is a major risk factor for mental illness, but the neurobiological mechanisms by which ELA increases the risk for future psychopathology are still poorly understood. Brain development is particularly malleable during prenatal and early postnatal life, when complex neural circuits are being formed and refined through an interplay of excitatory and inhibitory neural input, synaptogenesis, synaptic pruning, myelination, and neurogenesis. Adversity that influences these processes during sensitive periods of development can thus have long-lasting and pervasive effects on neural circuit maturation. In this review, we will discuss clinical and preclinical evidence for the impact of ELA on neural circuit formation with a focus on the early postnatal period, and how long-lasting impairments in these circuits can affect future behavior. We provide converging evidence from human and animal studies on how ELA alters the functional development of brain regions, neural circuits, and neurotransmitter systems that are crucial for cognition and affective behavior, including the hippocampus, the hypothalamus-pituitary-adrenal (HPA) axis, neural networks of fear responses and cognition, and the serotonin (5-HT) system. We also discuss how gene-by-environment (GxE) interactions can determine individual differences in susceptibility and resilience to ELA, as well as molecular pathways by which ELA regulates neural circuit development, for which we emphasize epigenetic mechanisms. Understanding the molecular and neurobiological mechanisms underlying ELA effects on brain function and psychopathology during early postnatal sensitive periods may have great potential to advance strategies to better treat or prevent psychiatric disorders that have their origin early in life.
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32
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Fawcett JW, Fyhn M, Jendelova P, Kwok JCF, Ruzicka J, Sorg BA. The extracellular matrix and perineuronal nets in memory. Mol Psychiatry 2022; 27:3192-3203. [PMID: 35760878 PMCID: PMC9708575 DOI: 10.1038/s41380-022-01634-3] [Citation(s) in RCA: 45] [Impact Index Per Article: 22.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/28/2022] [Revised: 05/09/2022] [Accepted: 05/16/2022] [Indexed: 02/06/2023]
Abstract
All components of the CNS are surrounded by a diffuse extracellular matrix (ECM) containing chondroitin sulphate proteoglycans (CSPGs), heparan sulphate proteoglycans (HSPGs), hyaluronan, various glycoproteins including tenascins and thrombospondin, and many other molecules that are secreted into the ECM and bind to ECM components. In addition, some neurons, particularly inhibitory GABAergic parvalbumin-positive (PV) interneurons, are surrounded by a more condensed cartilage-like ECM called perineuronal nets (PNNs). PNNs surround the soma and proximal dendrites as net-like structures that surround the synapses. Attention has focused on the role of PNNs in the control of plasticity, but it is now clear that PNNs also play an important part in the modulation of memory. In this review we summarize the role of the ECM, particularly the PNNs, in the control of various types of memory and their participation in memory pathology. PNNs are now being considered as a target for the treatment of impaired memory. There are many potential treatment targets in PNNs, mainly through modulation of the sulphation, binding, and production of the various CSPGs that they contain or through digestion of their sulphated glycosaminoglycans.
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Affiliation(s)
- James W Fawcett
- John van Geest Centre for Brain Repair, Department Clinical Neurosciences, University of Cambridge, Cambridge, CB2 0PY, UK.
- Centre for Reconstructive Neuroscience, Institute for Experimental Medicine CAS, Videnska 1083, Prague 4, Prague, Czech Republic.
| | - Marianne Fyhn
- Department of Biosciences, University of Oslo, Oslo, Norway
| | - Pavla Jendelova
- Centre for Reconstructive Neuroscience, Institute for Experimental Medicine CAS, Videnska 1083, Prague 4, Prague, Czech Republic
| | - Jessica C F Kwok
- Centre for Reconstructive Neuroscience, Institute for Experimental Medicine CAS, Videnska 1083, Prague 4, Prague, Czech Republic
- School of Biomedical Sciences, University of Leeds, Leeds, LS2 9JT, UK
| | - Jiri Ruzicka
- Centre for Reconstructive Neuroscience, Institute for Experimental Medicine CAS, Videnska 1083, Prague 4, Prague, Czech Republic
| | - Barbara A Sorg
- Robert S. Dow Neurobiology Laboratories, Legacy Research Institute, Portland, OR, USA
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Mueller FS, Amport R, Notter T, Schalbetter SM, Lin HY, Garajova Z, Amini P, Weber-Stadlbauer U, Markkanen E. Deficient DNA base-excision repair in the forebrain leads to a sex-specific anxiety-like phenotype in mice. BMC Biol 2022; 20:170. [PMID: 35907861 PMCID: PMC9339204 DOI: 10.1186/s12915-022-01377-1] [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: 01/12/2022] [Accepted: 07/22/2022] [Indexed: 11/10/2022] Open
Abstract
Background Neuropsychiatric disorders, such as schizophrenia (SZ) and autism spectrum disorder (ASD), are common, multi-factorial and multi-symptomatic disorders. Ample evidence implicates oxidative stress, deficient repair of oxidative DNA lesions and DNA damage in the development of these disorders. However, it remains unclear whether insufficient DNA repair and resulting DNA damage are causally connected to their aetiopathology, or if increased levels of DNA damage observed in patient tissues merely accumulate as a consequence of cellular dysfunction. To assess a potential causal role for deficient DNA repair in the development of these disorders, we behaviourally characterized a mouse model in which CaMKIIa-Cre-driven postnatal conditional knockout (KO) of the core base-excision repair (BER) protein XRCC1 leads to accumulation of unrepaired DNA damage in the forebrain. Results CaMKIIa-Cre expression caused specific deletion of XRCC1 in the dorsal dentate gyrus (DG), CA1 and CA2 and the amygdala and led to increased DNA damage therein. While motor coordination, cognition and social behaviour remained unchanged, XRCC1 KO in the forebrain caused increased anxiety-like behaviour in males, but not females, as assessed by the light–dark box and open field tests. Conversely, in females but not males, XRCC1 KO caused an increase in learned fear-related behaviour in a cued (Pavlovian) fear conditioning test and a contextual fear extinction test. The relative density of the GABA(A) receptor alpha 5 subunit (GABRA5) was reduced in the amygdala and the dorsal CA1 in XRCC1 KO females, whereas male XRCC1 KO animals exhibited a significant reduction of GABRA5 density in the CA3. Finally, assessment of fast-spiking, parvalbumin-positive (PV) GABAergic interneurons revealed a significant increase in the density of PV+ cells in the DG of male XRCC1 KO mice, while females remained unchanged. Conclusions Our results suggest that accumulation of unrepaired DNA damage in the forebrain alters the GABAergic neurotransmitter system and causes behavioural deficits in relation to innate and learned anxiety in a sex-dependent manner. Moreover, the data uncover a previously unappreciated connection between BER deficiency, unrepaired DNA damage in the hippocampus and a sex-specific anxiety-like phenotype with implications for the aetiology and therapy of neuropsychiatric disorders. Supplementary Information The online version contains supplementary material available at 10.1186/s12915-022-01377-1.
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Affiliation(s)
- Flavia S Mueller
- Institute of Veterinary Pharmacology and Toxicology, Vetsuisse Faculty, University of Zurich, 8057, Zurich, Switzerland
| | - René Amport
- Institute of Veterinary Pharmacology and Toxicology, Vetsuisse Faculty, University of Zurich, 8057, Zurich, Switzerland
| | - Tina Notter
- Neuroscience Center Zurich, University of Zurich and ETH Zurich, Zurich, Switzerland.,Institute of Pharmacology and Toxicology, Faculty of Science, University of Zurich, 8057, Zurich, Switzerland
| | - Sina M Schalbetter
- Institute of Veterinary Pharmacology and Toxicology, Vetsuisse Faculty, University of Zurich, 8057, Zurich, Switzerland
| | - Han-Yu Lin
- Institute of Veterinary Pharmacology and Toxicology, Vetsuisse Faculty, University of Zurich, 8057, Zurich, Switzerland
| | - Zuzana Garajova
- Institute of Veterinary Pharmacology and Toxicology, Vetsuisse Faculty, University of Zurich, 8057, Zurich, Switzerland
| | - Parisa Amini
- Institute of Veterinary Pharmacology and Toxicology, Vetsuisse Faculty, University of Zurich, 8057, Zurich, Switzerland
| | - Ulrike Weber-Stadlbauer
- Institute of Veterinary Pharmacology and Toxicology, Vetsuisse Faculty, University of Zurich, 8057, Zurich, Switzerland. .,Neuroscience Center Zurich, University of Zurich and ETH Zurich, Zurich, Switzerland.
| | - Enni Markkanen
- Institute of Veterinary Pharmacology and Toxicology, Vetsuisse Faculty, University of Zurich, 8057, Zurich, Switzerland.
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Guan A, Wang S, Huang A, Qiu C, Li Y, Li X, Wang J, Wang Q, Deng B. The role of gamma oscillations in central nervous system diseases: Mechanism and treatment. Front Cell Neurosci 2022; 16:962957. [PMID: 35966207 PMCID: PMC9374274 DOI: 10.3389/fncel.2022.962957] [Citation(s) in RCA: 25] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2022] [Accepted: 07/11/2022] [Indexed: 12/15/2022] Open
Abstract
Gamma oscillation is the synchronization with a frequency of 30–90 Hz of neural oscillations, which are rhythmic electric processes of neuron groups in the brain. The inhibitory interneuron network is necessary for the production of gamma oscillations, but certain disruptions such as brain inflammation, oxidative stress, and metabolic imbalances can cause this network to malfunction. Gamma oscillations specifically control the connectivity between different brain regions, which is crucial for perception, movement, memory, and emotion. Studies have linked abnormal gamma oscillations to conditions of the central nervous system, including Alzheimer’s disease, Parkinson’s disease, and schizophrenia. Evidence suggests that gamma entrainment using sensory stimuli (GENUS) provides significant neuroprotection. This review discusses the function of gamma oscillations in advanced brain activities from both a physiological and pathological standpoint, and it emphasizes gamma entrainment as a potential therapeutic approach for a range of neuropsychiatric diseases.
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Affiliation(s)
- Ao Guan
- Department of Anesthesiology, Center for Brain Science, The First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, China
- School of Medicine, Xiamen University, Xiamen, China
| | - Shaoshuang Wang
- Department of Anesthesiology, Center for Brain Science, The First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, China
| | - Ailing Huang
- Department of Anesthesiology, School of Medicine, Xiang’an Hospital of Xiamen University, Xiamen University, Xiamen, China
| | - Chenyue Qiu
- Department of Anesthesiology, School of Medicine, Xiang’an Hospital of Xiamen University, Xiamen University, Xiamen, China
| | - Yansong Li
- Department of Anesthesiology, Center for Brain Science, The First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, China
| | - Xuying Li
- Department of Anesthesiology, Center for Brain Science, The First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, China
- Department of Anesthesiology, School of Medicine, Xiang’an Hospital of Xiamen University, Xiamen University, Xiamen, China
| | - Jinfei Wang
- School of Medicine, Xiamen University, Xiamen, China
| | - Qiang Wang
- Department of Anesthesiology, Center for Brain Science, The First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, China
- Qiang Wang,
| | - Bin Deng
- Department of Anesthesiology, Center for Brain Science, The First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, China
- Department of Anesthesiology, School of Medicine, Xiang’an Hospital of Xiamen University, Xiamen University, Xiamen, China
- *Correspondence: Bin Deng,
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Waters RC, Gould E. Early Life Adversity and Neuropsychiatric Disease: Differential Outcomes and Translational Relevance of Rodent Models. Front Syst Neurosci 2022; 16:860847. [PMID: 35813268 PMCID: PMC9259886 DOI: 10.3389/fnsys.2022.860847] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2022] [Accepted: 04/19/2022] [Indexed: 12/02/2022] Open
Abstract
It is now well-established that early life adversity (ELA) predisposes individuals to develop several neuropsychiatric conditions, including anxiety disorders, and major depressive disorder. However, ELA is a very broad term, encompassing multiple types of negative childhood experiences, including physical, sexual and emotional abuse, physical and emotional neglect, as well as trauma associated with chronic illness, family separation, natural disasters, accidents, and witnessing a violent crime. Emerging literature suggests that in humans, different types of adverse experiences are more or less likely to produce susceptibilities to certain conditions that involve affective dysfunction. To investigate the driving mechanisms underlying the connection between experience and subsequent disease, neuroscientists have developed several rodent models of ELA, including pain exposure, maternal deprivation, and limited resources. These studies have also shown that different types of ELA paradigms produce different but somewhat overlapping behavioral phenotypes. In this review, we first investigate the types of ELA that may be driving different neuropsychiatric outcomes and brain changes in humans. We next evaluate whether rodent models of ELA can provide translationally relevant information regarding links between specific types of experience and changes in neural circuits underlying dysfunction.
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Impact of stress on inhibitory neuronal circuits, our tribute to Bruce McEwen. Neurobiol Stress 2022; 19:100460. [PMID: 35734023 PMCID: PMC9207718 DOI: 10.1016/j.ynstr.2022.100460] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2022] [Revised: 04/22/2022] [Accepted: 05/10/2022] [Indexed: 12/03/2022] Open
Abstract
This manuscript is dedicated to the memory of Bruce S. McEwen, to commemorate the impact he had on how we understand stress and neuronal plasticity, and the profound influence he exerted on our scientific careers. The focus of this review is the impact of stressors on inhibitory circuits, particularly those of the limbic system, but we also consider other regions affected by these adverse experiences. We revise the effects of acute and chronic stress during different stages of development and lifespan, taking into account the influence of the sex of the animals. We review first the influence of stress on the physiology of inhibitory neurons and on the expression of molecules related directly to GABAergic neurotransmission, and then focus on specific interneuron subpopulations, particularly on parvalbumin and somatostatin expressing cells. Then we analyze the effects of stress on molecules and structures related to the plasticity of inhibitory neurons: the polysialylated form of the neural cell adhesion molecule and perineuronal nets. Finally, we review the potential of antidepressants or environmental manipulations to revert the effects of stress on inhibitory circuits.
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Shi Y, Wu X, Zhou J, Cui W, Wang J, Hu Q, Zhang S, Han L, Zhou M, Luo J, Wang Q, Liu H, Feng D, Ge S, Qu Y. Single-Nucleus RNA Sequencing Reveals that Decorin Expression in the Amygdala Regulates Perineuronal Nets Expression and Fear Conditioning Response after Traumatic Brain Injury. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2022; 9:e2104112. [PMID: 35038242 PMCID: PMC8895134 DOI: 10.1002/advs.202104112] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/16/2021] [Revised: 11/17/2021] [Indexed: 06/14/2023]
Abstract
Traumatic brain injury (TBI) is a risk factor for posttraumatic stress disorder (PTSD). Augmented fear is a defining characteristic of PTSD, and the amygdala is considered the main brain region to process fear. The mechanism by which the amygdala is involved in fear conditioning after TBI is still unclear. Using single-nucleus RNA sequencing (snRNA-seq), transcriptional changes in cells in the amygdala after TBI are investigated. In total, 72 328 nuclei are obtained from the sham and TBI groups. 7 cell types, and analysis of differentially expressed genes (DEGs) reveals widespread transcriptional changes in each cell type after TBI are identified. In in vivo experiments, it is demonstrated that Decorin (Dcn) expression in the excitatory neurons of the amygdala significantly increased after TBI, and Dcn knockout in the amygdala mitigates TBI-associated fear conditioning. Of note, this effect is caused by a Dcn-mediated decrease in the expression of perineuronal nets (PNNs), which affect the glutamate-γ-aminobutyric acid balance in the amygdala. Finally, the results suggest that Dcn functions by interacting with collagen VI α3 (Col6a3). Consequently, the findings reveal transcriptional changes in different cell types of the amygdala after TBI and provide direct evidence that Dcn relieves fear conditioning by regulating PNNs.
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Affiliation(s)
- Yingwu Shi
- Department of NeurosurgeryTangdu HospitalFourth Military Medical UniversityXi'anShaanxi710038China
| | - Xun Wu
- Department of NeurosurgeryTangdu HospitalFourth Military Medical UniversityXi'anShaanxi710038China
| | - Jinpeng Zhou
- Department of NeurosurgeryTangdu HospitalFourth Military Medical UniversityXi'anShaanxi710038China
| | - Wenxing Cui
- Department of NeurosurgeryTangdu HospitalFourth Military Medical UniversityXi'anShaanxi710038China
| | - Jin Wang
- Department of NeurosurgeryTangdu HospitalFourth Military Medical UniversityXi'anShaanxi710038China
| | - Qing Hu
- Department of NeurosurgeryTangdu HospitalFourth Military Medical UniversityXi'anShaanxi710038China
| | - Shenghao Zhang
- Department of NeurosurgeryTangdu HospitalFourth Military Medical UniversityXi'anShaanxi710038China
| | - Liying Han
- Department of NeurosurgeryTangdu HospitalFourth Military Medical UniversityXi'anShaanxi710038China
| | - Meixuan Zhou
- School of Biomedical EngineeringShanghai Jiao Tong UniversityShanghai200240China
| | - Jianing Luo
- Department of NeurosurgeryWest Theater General HospitalChengduSichuan610083China
| | - Qiang Wang
- Department of NeurosurgeryTangdu HospitalFourth Military Medical UniversityXi'anShaanxi710038China
| | - Haixiao Liu
- Department of NeurosurgeryTangdu HospitalFourth Military Medical UniversityXi'anShaanxi710038China
| | - Dayun Feng
- Department of NeurosurgeryTangdu HospitalFourth Military Medical UniversityXi'anShaanxi710038China
| | - Shunnan Ge
- Department of NeurosurgeryTangdu HospitalFourth Military Medical UniversityXi'anShaanxi710038China
| | - Yan Qu
- Department of NeurosurgeryTangdu HospitalFourth Military Medical UniversityXi'anShaanxi710038China
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Laham BJ, Gould E. How Stress Influences the Dynamic Plasticity of the Brain’s Extracellular Matrix. Front Cell Neurosci 2022; 15:814287. [PMID: 35145379 PMCID: PMC8821883 DOI: 10.3389/fncel.2021.814287] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2021] [Accepted: 12/27/2021] [Indexed: 12/14/2022] Open
Abstract
Diffuse and structured extracellular matrix (ECM) comprise ∼20% of the brain’s volume and play important roles in development and adult plasticity. Perineuronal nets (PNNs), specialized ECM structures that surround certain types of neurons in the brain, emerge during the postnatal period, making their development and maintenance potentially sensitive to experience. Recent studies have shown that stress affects diffuse ECM as well as PNNs, and that such effects are dependent on life stage and brain region. Given that the ECM participates in synaptic plasticity, the generation of neuronal oscillations, and synchronous firing across brain regions, all of which have been linked to cognition and emotional regulation, ECM components may be candidate therapeutic targets for stress-induced neuropsychiatric disease. This review considers the influence of stress over diffuse and structured ECM during postnatal life with a focus on functional outcomes and the potential for translational relevance.
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Tanti A, Belliveau C, Nagy C, Maitra M, Denux F, Perlman K, Chen F, Mpai R, Canonne C, Théberge S, McFarquhar A, Davoli MA, Belzung C, Turecki G, Mechawar N. Child abuse associates with increased recruitment of perineuronal nets in the ventromedial prefrontal cortex: a possible implication of oligodendrocyte progenitor cells. Mol Psychiatry 2022; 27:1552-1561. [PMID: 34799691 PMCID: PMC9095471 DOI: 10.1038/s41380-021-01372-y] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/19/2020] [Revised: 10/15/2021] [Accepted: 10/20/2021] [Indexed: 11/09/2022]
Abstract
Child abuse (CA) is a strong predictor of psychopathologies and suicide, altering normal trajectories of brain development in areas closely linked to emotional responses such as the prefrontal cortex (PFC). Yet, the cellular underpinnings of these enduring effects are unclear. Childhood and adolescence are marked by the protracted formation of perineuronal nets (PNNs), which orchestrate the closure of developmental windows of cortical plasticity by regulating the functional integration of parvalbumin interneurons into neuronal circuits. Using well-characterized post-mortem brain samples, we show that a history of CA is specifically associated with increased densities and morphological complexity of WFL-labeled PNNs in the ventromedial PFC (BA11/12), possibly suggesting increased recruitment and maturation of PNNs. Through single-nucleus sequencing and fluorescent in situ hybridization, we found that the expression of canonical components of PNNs is enriched in oligodendrocyte progenitor cells (OPCs), and that they are upregulated in CA victims. These correlational findings suggest that early-life adversity may lead to persistent patterns of maladaptive behaviors by reducing the neuroplasticity of cortical circuits through the enhancement of developmental OPC-mediated PNN formation.
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Affiliation(s)
- Arnaud Tanti
- McGill Group for Suicide Studies, Douglas Mental Health University Institute, McGill University, Montreal, QC, Canada. .,UMR 1253, iBrain, Inserm, Université de Tours, Tours, France.
| | - Claudia Belliveau
- grid.412078.80000 0001 2353 5268McGill Group for Suicide Studies, Douglas Mental Health University Institute, McGill University, Montreal, QC Canada ,grid.14709.3b0000 0004 1936 8649Integrated Program in Neuroscience, McGill University, Montreal, QC Canada
| | - Corina Nagy
- grid.412078.80000 0001 2353 5268McGill Group for Suicide Studies, Douglas Mental Health University Institute, McGill University, Montreal, QC Canada
| | - Malosree Maitra
- grid.412078.80000 0001 2353 5268McGill Group for Suicide Studies, Douglas Mental Health University Institute, McGill University, Montreal, QC Canada ,grid.14709.3b0000 0004 1936 8649Integrated Program in Neuroscience, McGill University, Montreal, QC Canada
| | - Fanny Denux
- grid.412078.80000 0001 2353 5268McGill Group for Suicide Studies, Douglas Mental Health University Institute, McGill University, Montreal, QC Canada
| | - Kelly Perlman
- grid.412078.80000 0001 2353 5268McGill Group for Suicide Studies, Douglas Mental Health University Institute, McGill University, Montreal, QC Canada ,grid.14709.3b0000 0004 1936 8649Integrated Program in Neuroscience, McGill University, Montreal, QC Canada
| | - Frank Chen
- grid.412078.80000 0001 2353 5268McGill Group for Suicide Studies, Douglas Mental Health University Institute, McGill University, Montreal, QC Canada
| | - Refilwe Mpai
- grid.412078.80000 0001 2353 5268McGill Group for Suicide Studies, Douglas Mental Health University Institute, McGill University, Montreal, QC Canada ,grid.14709.3b0000 0004 1936 8649Integrated Program in Neuroscience, McGill University, Montreal, QC Canada
| | - Candice Canonne
- grid.412078.80000 0001 2353 5268McGill Group for Suicide Studies, Douglas Mental Health University Institute, McGill University, Montreal, QC Canada ,grid.14709.3b0000 0004 1936 8649Integrated Program in Neuroscience, McGill University, Montreal, QC Canada
| | - Stéphanie Théberge
- grid.412078.80000 0001 2353 5268McGill Group for Suicide Studies, Douglas Mental Health University Institute, McGill University, Montreal, QC Canada ,grid.14709.3b0000 0004 1936 8649Integrated Program in Neuroscience, McGill University, Montreal, QC Canada
| | - Ashley McFarquhar
- grid.412078.80000 0001 2353 5268McGill Group for Suicide Studies, Douglas Mental Health University Institute, McGill University, Montreal, QC Canada
| | - Maria Antonietta Davoli
- grid.412078.80000 0001 2353 5268McGill Group for Suicide Studies, Douglas Mental Health University Institute, McGill University, Montreal, QC Canada
| | - Catherine Belzung
- grid.12366.300000 0001 2182 6141UMR 1253, iBrain, Inserm, Université de Tours, Tours, France
| | - Gustavo Turecki
- grid.412078.80000 0001 2353 5268McGill Group for Suicide Studies, Douglas Mental Health University Institute, McGill University, Montreal, QC Canada ,grid.14709.3b0000 0004 1936 8649Integrated Program in Neuroscience, McGill University, Montreal, QC Canada ,grid.14709.3b0000 0004 1936 8649Department of Psychiatry, McGill University, Montréal, QC Canada
| | - Naguib Mechawar
- McGill Group for Suicide Studies, Douglas Mental Health University Institute, McGill University, Montreal, QC, Canada. .,Integrated Program in Neuroscience, McGill University, Montreal, QC, Canada. .,Department of Psychiatry, McGill University, Montréal, QC, Canada.
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Abstract
The overarching objective is to review how early exposure to adversity interacts with inflammation to alter brain maturation. Both adversity and inflammation are significant risk factors for psychopathology. Literature relevant to the effects of adversity in children and adolescents on brain development is reviewed. These studies are supported by research in animals exposed to species-relevant stressors during development. While it is known that exposure to adversity at any age increases inflammation, the effects of inflammation are exacerbated at developmental stages when the immature brain is uniquely sensitive to experiences. Microglia play a vital role in this process, as they scavenge cellular debris and prune synapses to optimize performance. In essence, microglia modify the synapse to match environmental demands, which is necessary for someone with a history of adversity. Overall, by piecing together clinical and preclinical research areas, what emerges is a picture of how adversity uniquely sculpts the brain. Microglia interactions with the inhibitory neurotransmitter GABA (specifically, the subtype expressing parvalbumin) are discussed within contexts of development and adversity. A review of inflammation markers in individuals with a history of abuse is combined with preclinical studies to describe their effects on maturation. Inconsistencies within the literature are discussed, with a call for standardizing methodologies relating to the age of assessing adversity effects, measures to quantify stress and inflammation, and more brain-based measures of biochemistry. Preclinical studies pave the way for interventions using anti-inflammation-based agents (COX-2 inhibitors, CB2 agonists, meditation/yoga) by identifying where, when, and how the developmental trajectory goes awry.
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Waters RC, Worth HM, Vasquez B, Gould E. Inhibition of adult neurogenesis reduces avoidance behavior in male, but not female, mice subjected to early life adversity. Neurobiol Stress 2022; 17:100436. [PMID: 35146080 PMCID: PMC8819473 DOI: 10.1016/j.ynstr.2022.100436] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2021] [Revised: 01/08/2022] [Accepted: 01/24/2022] [Indexed: 12/20/2022] Open
Abstract
Early life adversity (ELA) increases the risk of developing neuropsychiatric illnesses such as anxiety disorders. However, the mechanisms connecting these negative early life experiences to illness later in life remain unclear. In rodents, plasticity mechanisms, specifically adult neurogenesis in the ventral hippocampus, have been shown to be altered by ELA and important for buffering against detrimental stress-induced outcomes. The current study sought to explore whether adult neurogenesis contributes to ELA-induced changes in avoidance behavior. Using the GFAP-TK transgenic model, which allows for the inhibition of adult neurogenesis, and CD1 littermate controls, we subjected mice to an ELA paradigm of maternal separation and early weaning (MSEW) or control rearing. We found that mice with intact adult neurogenesis showed no behavioral changes in response to MSEW. After reducing adult neurogenesis, however, male mice previously subjected to MSEW had an unexpected decrease in avoidance behavior. This finding was not observed in female mice, suggesting that a sex difference exists in the role of adult-born neurons in buffering against ELA-induced changes in behavior. Taken together with the existing literature on ELA and avoidance behavior, this work suggests that strain differences exist in susceptibility to ELA and that adult-born neurons may play a role in regulating adaptive behavior.
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Ellis SN, Honeycutt JA. Sex Differences in Affective Dysfunction and Alterations in Parvalbumin in Rodent Models of Early Life Adversity. Front Behav Neurosci 2021; 15:741454. [PMID: 34803622 PMCID: PMC8600234 DOI: 10.3389/fnbeh.2021.741454] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2021] [Accepted: 10/13/2021] [Indexed: 01/08/2023] Open
Abstract
The early life environment markedly influences brain and behavioral development, with adverse experiences associated with increased risk of anxiety and depressive phenotypes, particularly in females. Indeed, early life adversity (ELA) in humans (i.e., caregiver deprivation, maltreatment) and rodents (i.e., maternal separation, resource scarcity) is associated with sex-specific emergence of anxious and depressive behaviors. Although these disorders show clear sex differences in humans, little attention has been paid toward evaluating sex as a biological variable in models of affective dysfunction; however, recent rodent work suggests sex-specific effects. Two widely used rodent models of ELA approximate caregiver deprivation (i.e., maternal separation) and resource scarcity (i.e., limited bedding). While these approaches model aspects of ELA experienced in humans, they span different portions of the pre-weaning developmental period and may therefore differentially contribute to underlying mechanistic risk. This is borne out in the literature, where evidence suggests differences in trajectories of behavior depending on the type of ELA and/or sex; however, the neural underpinning of these differences is not well understood. Because anxiety and depression are thought to involve dysregulation in the balance of excitatory and inhibitory signaling in ELA-vulnerable brain regions (e.g., prefrontal cortex, amygdala, hippocampus), outcomes are likely driven by alterations in local and/or circuit-specific inhibitory activity. The most abundant GABAergic subtypes in the brain, accounting for approximately 40% of inhibitory neurons, contain the calcium-binding protein Parvalbumin (PV). As PV-expressing neurons have perisomatic and proximal dendritic targets on pyramidal neurons, they are well-positioned to regulate excitatory/inhibitory balance. Recent evidence suggests that PV outcomes following ELA are sex, age, and region-specific and may be influenced by the type and timing of ELA. Here, we suggest the possibility of a combined role of PV and sex hormones driving differences in behavioral outcomes associated with affective dysfunction following ELA. This review evaluates the literature across models of ELA to characterize neural (PV) and behavioral (anxiety- and depressive-like) outcomes as a function of sex and age. Additionally, we detail a putative mechanistic role of PV on ELA-related outcomes and discuss evidence suggesting hormone influences on PV expression/function which may help to explain sex differences in ELA outcomes.
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Affiliation(s)
- Seneca N Ellis
- Program in Neuroscience, Bowdoin College, Brunswick, ME, United States
| | - Jennifer A Honeycutt
- Program in Neuroscience, Bowdoin College, Brunswick, ME, United States.,Department of Psychology, Bowdoin College, Brunswick, ME, United States
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Perlman G, Tanti A, Mechawar N. Parvalbumin interneuron alterations in stress-related mood disorders: A systematic review. Neurobiol Stress 2021; 15:100380. [PMID: 34557569 PMCID: PMC8446799 DOI: 10.1016/j.ynstr.2021.100380] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2021] [Revised: 08/02/2021] [Accepted: 08/07/2021] [Indexed: 12/23/2022] Open
Abstract
Stress-related psychiatric disorders including depression involve complex cellular and molecular changes in the brain, and GABAergic signaling dysfunction is increasingly implicated in the etiology of mood disorders. Parvalbumin (PV)-expressing neurons are fast-spiking interneurons that, among other roles, coordinate synchronous neuronal firing. Mounting evidence suggests that the PV neuron phenotype is altered by stress and in mood disorders. In this systematic review, we assessed PV interneuron alterations in psychiatric disorders as reported in human postmortem brain studies and animal models of environmental stress. This review aims to 1) comprehensively catalog evidence of PV cell function in mood disorders (humans) and stress models of mood disorders (animals); 2) analyze the strength of evidence of PV interneuron alterations in various brain regions in humans and rodents; 3) determine whether the modulating effect of antidepressant treatment, physical exercise, and environmental enrichment on stress in animals associates with particular effects on PV function; and 4) use this information to guide future research avenues. Its principal findings, derived mainly from rodent studies, are that stress-related changes in PV cells are only reported in a minority of studies, that positive findings are region-, age-, sex-, and stress recency-dependent, and that antidepressants protect from stress-induced apparent PV cell loss. These observations do not currently translate well to humans, although the postmortem literature on the topic remains limited.
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Affiliation(s)
| | - Arnaud Tanti
- Corresponding author. McGill Group for Suicide Studies, Department of Psychiaty, McGill University, Douglas Mental Health University Institute, 6875 LaSalle blvd, Verdun, Qc, H4H 1R3, Canada
| | - Naguib Mechawar
- Corresponding author. McGill Group for Suicide Studies, Department of Psychiaty, McGill University, Douglas Mental Health University Institute, 6875 LaSalle blvd, Verdun, Qc, H4H 1R3, Canada
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Guadagno A, Belliveau C, Mechawar N, Walker CD. Effects of Early Life Stress on the Developing Basolateral Amygdala-Prefrontal Cortex Circuit: The Emerging Role of Local Inhibition and Perineuronal Nets. Front Hum Neurosci 2021; 15:669120. [PMID: 34512291 PMCID: PMC8426628 DOI: 10.3389/fnhum.2021.669120] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2021] [Accepted: 07/29/2021] [Indexed: 01/10/2023] Open
Abstract
The links between early life stress (ELS) and the emergence of psychopathology such as increased anxiety and depression are now well established, although the specific neurobiological and developmental mechanisms that translate ELS into poor health outcomes are still unclear. The consequences of ELS are complex because they depend on the form and severity of early stress, duration, and age of exposure as well as co-occurrence with other forms of physical or psychological trauma. The long term effects of ELS on the corticolimbic circuit underlying emotional and social behavior are particularly salient because ELS occurs during critical developmental periods in the establishment of this circuit, its local balance of inhibition:excitation and its connections with other neuronal pathways. Using examples drawn from the human and rodent literature, we review some of the consequences of ELS on the development of the corticolimbic circuit and how it might impact fear regulation in a sex- and hemispheric-dependent manner in both humans and rodents. We explore the effects of ELS on local inhibitory neurons and the formation of perineuronal nets (PNNs) that terminate critical periods of plasticity and promote the formation of stable local networks. Overall, the bulk of ELS studies report transient and/or long lasting alterations in both glutamatergic circuits and local inhibitory interneurons (INs) and their associated PNNs. Since the activity of INs plays a key role in the maturation of cortical regions and the formation of local field potentials, alterations in these INs triggered by ELS might critically participate in the development of psychiatric disorders in adulthood, including impaired fear extinction and anxiety behavior.
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Affiliation(s)
- Angela Guadagno
- Douglas Mental Health University Institute, Montreal, QC, Canada
- Department of Psychiatry, McGill University, Montreal, QC, Canada
- Integrated Program in Neuroscience, McGill University, Montreal, QC, Canada
| | - Claudia Belliveau
- Douglas Mental Health University Institute, Montreal, QC, Canada
- Department of Psychiatry, McGill University, Montreal, QC, Canada
- Integrated Program in Neuroscience, McGill University, Montreal, QC, Canada
| | - Naguib Mechawar
- Douglas Mental Health University Institute, Montreal, QC, Canada
- Department of Psychiatry, McGill University, Montreal, QC, Canada
| | - Claire-Dominique Walker
- Douglas Mental Health University Institute, Montreal, QC, Canada
- Department of Psychiatry, McGill University, Montreal, QC, Canada
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Perineuronal Nets and Metal Cation Concentrations in the Microenvironments of Fast-Spiking, Parvalbumin-Expressing GABAergic Interneurons: Relevance to Neurodevelopment and Neurodevelopmental Disorders. Biomolecules 2021; 11:biom11081235. [PMID: 34439901 PMCID: PMC8391699 DOI: 10.3390/biom11081235] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2021] [Revised: 08/11/2021] [Accepted: 08/14/2021] [Indexed: 12/31/2022] Open
Abstract
Because of their abilities to catalyze generation of toxic free radical species, free concentrations of the redox reactive metals iron and copper are highly regulated. Importantly, desired neurobiological effects of these redox reactive metal cations occur within very narrow ranges of their local concentrations. For example, synaptic release of free copper acts locally to modulate NMDA receptor-mediated neurotransmission. Moreover, within the developing brain, iron is critical to hippocampal maturation and the differentiation of parvalbumin-expressing neurons, whose soma and dendrites are surrounded by perineuronal nets (PNNs). The PNNs are a specialized component of brain extracellular matrix, whose polyanionic character supports the fast-spiking electrophysiological properties of these parvalbumin-expressing GABAergic interneurons. In addition to binding cations and creation of the Donnan equilibrium that support the fast-spiking properties of this subset of interneurons, the complex architecture of PNNs also binds metal cations, which may serve a protective function against oxidative damage, especially of these fast-spiking neurons. Data suggest that pathological disturbance of the population of fast-spiking, parvalbumin-expressing GABAergic inhibitory interneurons occur in at least some clinical presentations, which leads to disruption of the synchronous oscillatory output of assemblies of pyramidal neurons. Increased expression of the GluN2A NMDA receptor subunit on parvalbumin-expressing interneurons is linked to functional maturation of both these neurons and the perineuronal nets that surround them. Disruption of GluN2A expression shows increased susceptibility to oxidative stress, reflected in redox dysregulation and delayed maturation of PNNs. This may be especially relevant to neurodevelopmental disorders, including autism spectrum disorder. Conceivably, binding of metal redox reactive cations by the perineuronal net helps to maintain safe local concentrations, and also serves as a reservoir buffering against second-to-second fluctuations in their concentrations outside of a narrow physiological range.
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Stevens SR, Longley CM, Ogawa Y, Teliska LH, Arumanayagam AS, Nair S, Oses-Prieto JA, Burlingame AL, Cykowski MD, Xue M, Rasband MN. Ankyrin-R regulates fast-spiking interneuron excitability through perineuronal nets and Kv3.1b K + channels. eLife 2021; 10:66491. [PMID: 34180393 PMCID: PMC8257253 DOI: 10.7554/elife.66491] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2021] [Accepted: 06/25/2021] [Indexed: 12/26/2022] Open
Abstract
Neuronal ankyrins cluster and link membrane proteins to the actin and spectrin-based cytoskeleton. Among the three vertebrate ankyrins, little is known about neuronal Ankyrin-R (AnkR). We report AnkR is highly enriched in Pv+ fast-spiking interneurons in mouse and human. We identify AnkR-associated protein complexes including cytoskeletal proteins, cell adhesion molecules (CAMs), and perineuronal nets (PNNs). We show that loss of AnkR from forebrain interneurons reduces and disrupts PNNs, decreases anxiety-like behaviors, and changes the intrinsic excitability and firing properties of Pv+ fast-spiking interneurons. These changes are accompanied by a dramatic reduction in Kv3.1b K+ channels. We identify a novel AnkR-binding motif in Kv3.1b, and show that AnkR is both necessary and sufficient for Kv3.1b membrane localization in interneurons and at nodes of Ranvier. Thus, AnkR regulates Pv+ fast-spiking interneuron function by organizing ion channels, CAMs, and PNNs, and linking these to the underlying β1 spectrin-based cytoskeleton.
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Affiliation(s)
- Sharon R Stevens
- Department of Neuroscience, Baylor College of Medicine, Houston, United States
| | - Colleen M Longley
- Program in Developmental Biology, Baylor College of Medicine, Houston, United States.,The Cain Foundation Laboratories, Jan and Dan Duncan Neurological Research Institute at Texas Children's Hospital, Houston, United States
| | - Yuki Ogawa
- Department of Neuroscience, Baylor College of Medicine, Houston, United States
| | - Lindsay H Teliska
- Department of Neuroscience, Baylor College of Medicine, Houston, United States
| | | | - Supna Nair
- Department of Pharmaceutical Chemistry, University of California San Francisco, San Francisco, United States
| | - Juan A Oses-Prieto
- Department of Pharmaceutical Chemistry, University of California San Francisco, San Francisco, United States
| | - Alma L Burlingame
- Department of Pharmaceutical Chemistry, University of California San Francisco, San Francisco, United States
| | - Matthew D Cykowski
- Department of Pathology and Genomic Medicine, Houston Methodist Hospital, Houston, United States
| | - Mingshan Xue
- Department of Neuroscience, Baylor College of Medicine, Houston, United States.,Program in Developmental Biology, Baylor College of Medicine, Houston, United States.,The Cain Foundation Laboratories, Jan and Dan Duncan Neurological Research Institute at Texas Children's Hospital, Houston, United States.,Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, United States
| | - Matthew N Rasband
- Department of Neuroscience, Baylor College of Medicine, Houston, United States.,Program in Developmental Biology, Baylor College of Medicine, Houston, United States
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Wingert JC, Sorg BA. Impact of Perineuronal Nets on Electrophysiology of Parvalbumin Interneurons, Principal Neurons, and Brain Oscillations: A Review. Front Synaptic Neurosci 2021; 13:673210. [PMID: 34040511 PMCID: PMC8141737 DOI: 10.3389/fnsyn.2021.673210] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2021] [Accepted: 04/14/2021] [Indexed: 12/11/2022] Open
Abstract
Perineuronal nets (PNNs) are specialized extracellular matrix structures that surround specific neurons in the brain and spinal cord, appear during critical periods of development, and restrict plasticity during adulthood. Removal of PNNs can reinstate juvenile-like plasticity or, in cases of PNN removal during early developmental stages, PNN removal extends the critical plasticity period. PNNs surround mainly parvalbumin (PV)-containing, fast-spiking GABAergic interneurons in several brain regions. These inhibitory interneurons profoundly inhibit the network of surrounding neurons via their elaborate contacts with local pyramidal neurons, and they are key contributors to gamma oscillations generated across several brain regions. Among other functions, these gamma oscillations regulate plasticity associated with learning, decision making, attention, cognitive flexibility, and working memory. The detailed mechanisms by which PNN removal increases plasticity are only beginning to be understood. Here, we review the impact of PNN removal on several electrophysiological features of their underlying PV interneurons and nearby pyramidal neurons, including changes in intrinsic and synaptic membrane properties, brain oscillations, and how these changes may alter the integration of memory-related information. Additionally, we review how PNN removal affects plasticity-associated phenomena such as long-term potentiation (LTP), long-term depression (LTD), and paired-pulse ratio (PPR). The results are discussed in the context of the role of PV interneurons in circuit function and how PNN removal alters this function.
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Affiliation(s)
- Jereme C Wingert
- Program in Neuroscience, Robert S. Dow Neurobiology Laboratories, Legacy Research Institute, Portland, OR, United States
| | - Barbara A Sorg
- Program in Neuroscience, Robert S. Dow Neurobiology Laboratories, Legacy Research Institute, Portland, OR, United States
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Postnatal Fluoxetine Treatment Alters Perineuronal Net Formation and Maintenance in the Hippocampus. eNeuro 2021; 8:ENEURO.0424-20.2021. [PMID: 33622703 PMCID: PMC8046023 DOI: 10.1523/eneuro.0424-20.2021] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2020] [Revised: 01/27/2021] [Accepted: 01/28/2021] [Indexed: 01/20/2023] Open
Abstract
Elevation of serotonin via postnatal fluoxetine (PNFlx) treatment during critical temporal windows is hypothesized to perturb the development of limbic circuits thus establishing a substratum for persistent disruption of mood-related behavior. We examined the impact of PNFlx treatment on the formation and maintenance of perineuronal nets (PNNs), extracellular matrix (ECM) structures that deposit primarily around inhibitory interneurons, and mark the closure of critical period plasticity. PNFlx treatment evoked a significant decline in PNN number, with a robust reduction in PNNs deposited around parvalbumin (PV) interneurons, within the CA1 and CA3 hippocampal subfields at postnatal day (P)21 in Sprague Dawley rat pups. While the reduction in CA1 subfield PNN number was still observed in adulthood, we observed no change in colocalization of PV-positive interneurons with PNNs in the hippocampi of adult PNFlx animals. PNFlx treatment did not alter hippocampal PV, calretinin (CalR), or Reelin-positive neuron numbers in PNFlx animals at P21 or in adulthood. We did observe a small, but significant increase in somatostatin (SST)-positive interneurons in the DG subfield of PNFlx-treated animals in adulthood. This was accompanied by altered GABA-A receptor subunit composition, increased dendritic complexity of apical dendrites of CA1 pyramidal neurons, and enhanced neuronal activation revealed by increased c-Fos-positive cell numbers within hippocampi of PNFlx-treated animals in adulthood. These results indicate that PNFlx treatment alters the formation of PNNs within the hippocampus, raising the possibility of a disruption of excitation-inhibition (E/I) balance within this key limbic brain region.
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Xia D, Li L, Yang B, Zhou Q. Altered Relationship Between Parvalbumin and Perineuronal Nets in an Autism Model. Front Mol Neurosci 2021; 14:597812. [PMID: 33912009 PMCID: PMC8072465 DOI: 10.3389/fnmol.2021.597812] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2020] [Accepted: 03/16/2021] [Indexed: 12/26/2022] Open
Abstract
Altered function or presence of inhibitory neurons is documented in autism spectrum disorders (ASD), but the mechanism underlying this alternation is poorly understood. One major subtype of inhibitory neurons altered is the parvalbumin (PV)-containing neurons with reduced density and intensity in ASD patients and model mice. A subpopulation of PV+ neurons expresses perineuronal nets (PNN). To better understand whether the relationship between PV and PNN is altered in ASD, we measured quantitatively the intensities of PV and PNN in single PV+ neurons in the prelimbic prefrontal cortex (PrL-PFC) of a valproic acid (VPA) model of ASD at different ages. We found a decreased PV intensity but increased PNN intensity in VPA mice. The relationship between PV and PNN intensities is altered in VPA mice, likely due to an "abnormal" subpopulation of neurons with an altered PV-PNN relationship. Furthermore, reducing PNN level using in vivo injection of chondroitinase ABC corrects the PV expression in adult VPA mice. We suggest that the interaction between PV and PNN is disrupted in PV+ neurons in VPA mice which may contribute to the pathology in ASD.
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Affiliation(s)
- Dan Xia
- Key Laboratory of Chemical Genome, State Key Laboratory of Chemical Oncogenomics, School of Chemical Biology and Biotechnology, Shenzhen Graduate School, Peking University, Shenzhen, China.,Center for Child Care and Mental Health, Shenzhen Children's Hospital, Shenzhen, China
| | - Li Li
- State Key Laboratory of Organ Failure Research, Department of Biostatistics, Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health, Southern Medical University, Guangzhou, China
| | - Binrang Yang
- Center for Child Care and Mental Health, Shenzhen Children's Hospital, Shenzhen, China
| | - Qiang Zhou
- Key Laboratory of Chemical Genome, State Key Laboratory of Chemical Oncogenomics, School of Chemical Biology and Biotechnology, Shenzhen Graduate School, Peking University, Shenzhen, China
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50
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Briones BA, Pisano TJ, Pitcher MN, Haye AE, Diethorn EJ, Engel EA, Cameron HA, Gould E. Adult-born granule cell mossy fibers preferentially target parvalbumin-positive interneurons surrounded by perineuronal nets. Hippocampus 2021; 31:375-388. [PMID: 33432721 PMCID: PMC8020456 DOI: 10.1002/hipo.23296] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2020] [Revised: 12/07/2020] [Accepted: 12/12/2020] [Indexed: 12/11/2022]
Abstract
Adult-born granule cells (abGCs) integrate into the hippocampus and form connections with dentate gyrus parvalbumin-positive (PV+) interneurons, a circuit important for modulating plasticity. Many of these interneurons are surrounded by perineuronal nets (PNNs), extracellular matrix structures known to participate in plasticity. We compared abGC projections to PV+ interneurons with negative-to-low intensity PNNs to those with high intensity PNNs using retroviral and 3R-Tau labeling in adult mice, and found that abGC mossy fibers and boutons are more frequently located near PV+ interneurons with high intensity PNNs. These results suggest that axons of new neurons preferentially stabilize near target cells with intense PNNs. Next, we asked whether the number of abGCs influences PNN formation around PV+ interneurons, and found that near complete ablation of abGCs produced a decrease in the intensity and number of PV+ neurons with PNNs, suggesting that new neuron innervation may enhance PNN formation. Experience-driven changes in adult neurogenesis did not produce consistent effects, perhaps due to widespread effects on plasticity. Our study identifies abGC projections to PV+ interneurons with PNNs, with more presumed abGC mossy fiber boutons found near the cell body of PV+ interneurons with strong PNNs.
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Affiliation(s)
- Brandy A. Briones
- Princeton Neuroscience Institute, Princeton University, Princeton, New Jersey
- Department of Psychology, Princeton University, Princeton, New Jersey
| | - Thomas J. Pisano
- Princeton Neuroscience Institute, Princeton University, Princeton, New Jersey
| | - Miah N. Pitcher
- Princeton Neuroscience Institute, Princeton University, Princeton, New Jersey
| | - Amanda E. Haye
- Princeton Neuroscience Institute, Princeton University, Princeton, New Jersey
- Department of Psychology, Princeton University, Princeton, New Jersey
| | - Emma J. Diethorn
- Princeton Neuroscience Institute, Princeton University, Princeton, New Jersey
- Department of Psychology, Princeton University, Princeton, New Jersey
| | - Esteban A. Engel
- Princeton Neuroscience Institute, Princeton University, Princeton, New Jersey
| | - Heather A. Cameron
- Section on Neuroplasticity, National Institute of Mental Health, National Institutes of Health, Bethesda, Maryland
| | - Elizabeth Gould
- Princeton Neuroscience Institute, Princeton University, Princeton, New Jersey
- Department of Psychology, Princeton University, Princeton, New Jersey
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