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Mediane DH, Basu S, Cahill EN, Anastasiades PG. Medial prefrontal cortex circuitry and social behaviour in autism. Neuropharmacology 2024; 260:110101. [PMID: 39128583 DOI: 10.1016/j.neuropharm.2024.110101] [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: 04/15/2024] [Revised: 07/22/2024] [Accepted: 08/05/2024] [Indexed: 08/13/2024]
Abstract
Autism spectrum disorder (ASD) has proven to be highly enigmatic due to the diversity of its underlying genetic causes and the huge variability in symptom presentation. Uncovering common phenotypes across people with ASD and pre-clinical models allows us to better understand the influence on brain function of the many different genetic and cellular processes thought to contribute to ASD aetiology. One such feature of ASD is the convergent evidence implicating abnormal functioning of the medial prefrontal cortex (mPFC) across studies. The mPFC is a key part of the 'social brain' and may contribute to many of the changes in social behaviour observed in people with ASD. Here we review recent evidence for mPFC involvement in both ASD and social behaviours. We also highlight how pre-clinical mouse models can be used to uncover important cellular and circuit-level mechanisms that may underly atypical social behaviours in ASD. This article is part of the Special Issue on "PFC circuit function in psychiatric disease and relevant models".
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Affiliation(s)
- Diego H Mediane
- Department of Translational Health Sciences, University of Bristol, Dorothy Hodgkin Building, Whitson Street, Bristol, BS1 3NY, United Kingdom
| | - Shinjini Basu
- Department of Translational Health Sciences, University of Bristol, Dorothy Hodgkin Building, Whitson Street, Bristol, BS1 3NY, United Kingdom
| | - Emma N Cahill
- Department of Physiology, Pharmacology and Neuroscience, University of Bristol, Biomedical Sciences Building, University Walk, Bristol, BS8 1TD, United Kingdom
| | - Paul G Anastasiades
- Department of Translational Health Sciences, University of Bristol, Dorothy Hodgkin Building, Whitson Street, Bristol, BS1 3NY, United Kingdom.
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2
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Yi W, Chen W, Lan B, Yan L, Hu X, Wu J. A U-shaped relationship between chronic academic stress and the dynamics of reward processing. Neuroimage 2024; 300:120849. [PMID: 39265955 DOI: 10.1016/j.neuroimage.2024.120849] [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: 03/27/2024] [Revised: 08/29/2024] [Accepted: 09/09/2024] [Indexed: 09/14/2024] Open
Abstract
Despite the potential link between stress-induced reward dysfunctions and the development of mental problems, limited human research has investigated the specific impacts of chronic stress on the dynamics of reward processing. Here we aimed to investigate the relationship between chronic academic stress and the dynamics of reward processing (i.e., reward anticipation and reward consumption) using event-related potential (ERP) technology. Ninety healthy undergraduates who were preparing for the National Postgraduate Entrance Examination (NPEE) participated in the study and completed a two-door reward task, their chronic stress levels were assessed via the Perceived Stress Scale (PSS). The results showed that a lower magnitude of reward elicited more negative amplitudes of cue-N2 during the anticipatory phase, and reward omission elicited more negative amplitudes of FRN compared to reward delivery especially in high reward conditions during the consummatory phase. More importantly, the PSS score exhibited a U-shaped relationship with cue-N2 amplitudes regardless of reward magnitude during the anticipatory phase; and FRN amplitudes toward reward omission in high reward condition during the consummatory phase. These findings suggest that individuals exposed to either low or high levels of chronic stress, as opposed to moderate stress levels, exhibited a heightened reward anticipation, and an augmented violation of expectations or affective response when faced with relatively more negative outcomes.
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Affiliation(s)
- Wei Yi
- School of Psychology, Shenzhen University, 3688#, Nanhai Avenue, Nanshan District, Shenzhen 518060, China
| | - Wangxiao Chen
- School of Psychology, Shenzhen University, 3688#, Nanhai Avenue, Nanshan District, Shenzhen 518060, China
| | - Biqi Lan
- School of Psychology, Shenzhen University, 3688#, Nanhai Avenue, Nanshan District, Shenzhen 518060, China
| | - Linlin Yan
- Donders Institute for Brain, Cognition and Behavior, Radboud University Medical Center, Nijmegen, the Netherlands
| | - Xiaoqing Hu
- Department of Psychology, The University of Hong Kong, Room 6.62, Jocky Club Tower, Pokfulam, Hong Kong, China
| | - Jianhui Wu
- School of Psychology, Shenzhen University, 3688#, Nanhai Avenue, Nanshan District, Shenzhen 518060, China.
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3
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Ma L, Keen LD, Steinberg JL, Eddie D, Tan A, Keyser-Marcus L, Abbate A, Moeller FG. Relationship between central autonomic effective connectivity and heart rate variability: A Resting-state fMRI dynamic causal modeling study. Neuroimage 2024; 300:120869. [PMID: 39332747 DOI: 10.1016/j.neuroimage.2024.120869] [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: 02/15/2024] [Revised: 09/22/2024] [Accepted: 09/24/2024] [Indexed: 09/29/2024] Open
Abstract
The central autonomic network (CAN) serves as a regulatory hub with top-down regulatory control and integration of bottom-up physiological feedback via the autonomic nervous system. Heart rate variability (HRV)-the time variance of the heart's beat-to-beat intervals-is an index of the CAN's affective and behavioral regulatory capacity. Although neural functional connectivities that are associated with HRV and CAN have been well studied, no published report to date has studied effective (directional) connectivities (EC) that are associated with HRV and CAN. Better understanding of neural EC in the brain has the potential to improve our understanding of how the CAN sub-regions regulate HRV. To begin to address this knowledge gap, we employed resting-state functional magnetic resonance imaging and dynamic causal modeling (DCM) with parametric empirical Bayes analyses in 34 healthy adults (19 females; mean age= 32.68 years [SD= 14.09], age range 18-68 years) to examine the bottom-up and top-down neural circuits associated with HRV. Throughout the whole brain, we identified 12 regions associated with HRV. DCM analyses revealed that the ECs from the right amygdala to the anterior cingulate cortex and to the ventrolateral prefrontal cortex had a negative linear relationship with HRV and a positive linear relationship with heart rate. These findings suggest that ECs from the amygdala to the prefrontal cortex may represent a neural circuit associated with regulation of cardiodynamics.
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Affiliation(s)
- Liangsuo Ma
- Institute for Drug and Alcohol Studies, Department of Psychiatry, Virginia Commonwealth University, 203 East Cary Street, Suite 202, Richmond 23219, VA, United States; Department of Psychiatry, Virginia Commonwealth University, VA, United States.
| | - Larry D Keen
- Department of Psychology, Virginia State University, VA, United States
| | - Joel L Steinberg
- Institute for Drug and Alcohol Studies, Department of Psychiatry, Virginia Commonwealth University, 203 East Cary Street, Suite 202, Richmond 23219, VA, United States; Department of Psychiatry, Virginia Commonwealth University, VA, United States; C. Kenneth and Dianne Wright Center for Clinical and Translational Research, Virginia Commonwealth University, VA, United States
| | - David Eddie
- Recovery Research Institute, Center for Addiction Medicine, Massachusetts General Hospital, MA, United States; Department of Psychiatry, Harvard Medical School, MA, United States
| | - Alex Tan
- Berne Cardiovascular Research Center, University of Virginia, Charlottesville, VA, United States
| | - Lori Keyser-Marcus
- Department of Psychiatry, Virginia Commonwealth University, VA, United States
| | - Antonio Abbate
- Department of Psychiatry, Harvard Medical School, MA, United States
| | - F Gerard Moeller
- Institute for Drug and Alcohol Studies, Department of Psychiatry, Virginia Commonwealth University, 203 East Cary Street, Suite 202, Richmond 23219, VA, United States; Department of Psychiatry, Virginia Commonwealth University, VA, United States; Department of Pharmacology and Toxicology, Virginia Commonwealth University, VA, United States; Department of Neurology, Virginia Commonwealth University, VA, United States; C. Kenneth and Dianne Wright Center for Clinical and Translational Research, Virginia Commonwealth University, VA, United States
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4
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Abdulla ZI, Mineur YS, Crouse RB, Etherington IM, Yousuf H, Na JJ, Picciotto MR. Medial prefrontal cortex acetylcholine signaling mediates the ability to learn an active avoidance response following learned helplessness training. Neuropsychopharmacology 2024:10.1038/s41386-024-02003-0. [PMID: 39362985 DOI: 10.1038/s41386-024-02003-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/15/2024] [Accepted: 09/25/2024] [Indexed: 10/05/2024]
Abstract
Increased brain levels of acetylcholine (ACh) have been observed in patients with depression, and increasing ACh levels pharmacologically can precipitate stress-related behaviors in humans and animals. Conversely, optimal ACh levels are required for cognition and memory. We hypothesize that excessive ACh signaling results in strengthening of negative encoding in which memory formation is aberrantly strengthened for stressful events. The medial prefrontal cortex (mPFC) is critical for both top-down control of stress-related circuits, and for encoding of sensory experiences. We therefore evaluated the role of ACh signaling in the mPFC in a learned helplessness task in which mice were exposed to repeated inescapable stressors followed by an active avoidance task. Using fiber photometry with a genetically-encoded ACh sensor, we found that ACh levels in the mPFC during exposure to inescapable stressors were positively correlated with later escape deficits in an active avoidance test in males, but not females. Consistent with these measurements, we found that both pharmacologically- and chemogenetically-induced increases in mPFC ACh levels resulted in escape deficits in both male and female mice, whereas chemogenetic inhibition of ACh neurons projecting to the mPFC improved escape performance in males, but impaired escape performance in females. These results highlight the adaptive role of ACh release in stress response, but also support the idea that sustained elevation of ACh contributes to maladaptive behaviors. Furthermore, mPFC ACh signaling may contribute to stress-based learning differentially in males and females.
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Affiliation(s)
- Zuhair I Abdulla
- Department of Psychiatry, Yale University, New Haven, CT, 06508, USA
| | - Yann S Mineur
- Department of Psychiatry, Yale University, New Haven, CT, 06508, USA
| | - Richard B Crouse
- Yale University Interdepartmental Neuroscience Program, New Haven, CT, USA
| | - Ian M Etherington
- Yale University Interdepartmental Neuroscience Program, New Haven, CT, USA
| | - Hanna Yousuf
- Department of Psychiatry, Yale University, New Haven, CT, 06508, USA
| | | | - Marina R Picciotto
- Department of Psychiatry, Yale University, New Haven, CT, 06508, USA.
- Yale University Interdepartmental Neuroscience Program, New Haven, CT, USA.
- Kavli Institute for Neuroscience at Yale, New Haven, CT, USA.
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5
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Greer J, Ali A, Laksman C, Huang R, McClay M, Clewett D. Effortful retrieval of semantic memories induces forgetting of related negative and neutral episodic memories. Cognition 2024; 251:105908. [PMID: 39094255 DOI: 10.1016/j.cognition.2024.105908] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2023] [Revised: 07/19/2024] [Accepted: 07/23/2024] [Indexed: 08/04/2024]
Abstract
Retrieval-induced forgetting (RIF) experiments show that the act of retrieving some recently encoded items from a given conceptual category leads to greater forgetting of competing items from that same category. However, RIF studies using emotional stimuli have produced mixed results, perhaps due to the reinstatement of arousal or negative affect during retrieval practice. To induce forgetting of negative episodic memories more indirectly, we examined if retrieving neutral semantic memories leads to RIF of related negative memories. In two experiments, participants studied eight categorized lists comprised of an equal number of negative and neutral words (Experiment 1) or neutral words preceded by neutral or negative images (Experiment 2). To avoid re-exposing individuals to negative material during retrieval practice, participants then performed a semantic memory retrieval task in which they generated (i.e., completed word-stems for) new neutral words from half of the studied categories. We found that semantic retrieval, or word generation, induced forgetting of recently studied words irrespective of their emotional valence or original emotional context. Additionally, across both experiments, less successful word generation was associated with stronger RIF effects. In Experiment 2, the magnitude of RIF was also correlated with higher subjective ratings of retrieval effort during word generation. Together, these results suggest that even when retrieving neutral semantic memories, effortful retrieval may enhance inhibitory processes that lead to forgetting of both neutral and negative episodic memories.
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Affiliation(s)
- Jamie Greer
- Department of Psychology, Harvard University, United States of America.
| | - Amna Ali
- Department of Psychology, University of California, Los Angeles, United States of America
| | - Camille Laksman
- Department of Psychology, University of California, Los Angeles, United States of America
| | - Ringo Huang
- Department of Psychology, University of California, Los Angeles, United States of America
| | - Mason McClay
- Department of Psychology, University of California, Los Angeles, United States of America
| | - David Clewett
- Department of Psychology, University of California, Los Angeles, United States of America.
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Loock K, Schwabe L. Cognitive Training Prevents Stress-Induced Working Memory Deficits. BIOLOGICAL PSYCHIATRY. COGNITIVE NEUROSCIENCE AND NEUROIMAGING 2024; 9:1039-1047. [PMID: 38909897 DOI: 10.1016/j.bpsc.2024.06.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/29/2024] [Revised: 06/10/2024] [Accepted: 06/14/2024] [Indexed: 06/25/2024]
Abstract
BACKGROUND Working memory is a fundamental cognitive process that is critically involved in planning, comprehension, reasoning, and problem solving. Acute stress has been shown to impair working memory. This stress-induced working memory deficit has profound implications for cognitive functioning in everyday life as well as for stress-related mental disorders. Here, we tested whether a cognitive training intervention would make working memory more resistant to disruptive effects of acute stress. METHODS In a preregistered, fully crossed between-subjects design with the factors stress (vs. control) and cognitive training (vs. sham), 123 healthy men and women (ages 18-35 years) completed a daily cognitive training program targeting working memory-related processes or a sham training over a period of 6 weeks. After this 6-week training intervention, participants underwent a standardized stress or control manipulation shortly before their working memory performance was tested. RESULTS As expected, the exposure to acute stress led to a significant working memory impairment in the sham training group. Critically, although the subjective, autonomic, and endocrine stress responses were comparable in the 2 training groups, this stress-induced working memory impairment was abolished in the intervention training group. CONCLUSIONS These results are the first to show that a cognitive training intervention directed at prefrontal and hippocampal functioning can prevent the detrimental effects of stressful events on working memory performance.
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Affiliation(s)
- Kaja Loock
- Institute of Psychology, University of Hamburg, Hamburg, Germany
| | - Lars Schwabe
- Institute of Psychology, University of Hamburg, Hamburg, Germany.
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7
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Chang YH, Yang MH, Yang CT, Goh J, Lin SH, Hsieh S. Alternation of psychological resilience may moderate mentalization toward mental health conditions from macro- and microstructure aspects. Neuroimage 2024; 299:120810. [PMID: 39181193 DOI: 10.1016/j.neuroimage.2024.120810] [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: 04/17/2024] [Revised: 07/30/2024] [Accepted: 08/22/2024] [Indexed: 08/27/2024] Open
Abstract
OBJECTIVE We aim to investigate the interplay between mentalization, brain microstructure, and psychological resilience as potential protective factors against mental illness. METHOD Four hundred and twenty-six participants (mean age 40.12±16.95; 202 males, 224 females), without psychiatric or neurological history, completed assessments: Dissociative Process Scale (DPS), Peace of Mind (PoM), Beck Depression Inventory (BDI), Beck Anxiety Inventory (BAI), Resilience Scale for Adults (RSA), and Magnetic Resonance Imaging (MRI) structures with selected regions of interest, and Diffusion Tensor Imaging (DTI) maps from various tracts in the right hemisphere and connection to the frontal areas, including anterior thalamic radiation (ATR), Cingulum (hippocampus) (CH), Corticospinal tract (CST), Superior longitudinal fasciculus (SLF), Inferior fronto-occipital fasciculus (IFOF), and Uncinate fasciculus (UF) were analyzed. RESULTS Two clusters, representing hypomentalization (HypoM) and hypermentalization (HyperM), were identified based on DPS, CPSS, and RFQ responses. One-way ANOVA showed no significant age or gender differences between clusters. The HypoM group exhibited lower PoM scores, higher BDI and BAI scores, and lower RSA scores (ps< 0.05). Structural brain metric comparison showed significant differences in GMV in the right caudal middle frontal gyrus (rcMFG), right superior frontal gyrus (rsFG), and right frontal pole (rFP) between groups. In addition, the HyperM individuals with a higher risk of depression and a higher ratio of intrapersonal to interpersonal factors of resilience were found with reduced GMV on the rcMFG. Additionally, analyses of DTI metrics revealed significant differences between two groups in rATR and rSLF in terms of fractional anisotropy (FA) values; rATR, rCST, rUF, rSLF, rCH and rIFOF in terms of mean diffusivity (MD) values, and radial diffusivity (RD) (corrected p = 0.05). Moreover, the positive correlation between different domains of resilience and white matter (WM) integrity implied further enhancement of intrapersonal or interpersonal resilience factors that are different for people with different mentalization. CONCLUSIONS The findings underscore the importance of considering both intrapersonal and interpersonal factors in understanding the interactions between psychological resilience and mental health conditions relevant to brain mechanisms.
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Affiliation(s)
- Yun-Hsuan Chang
- Institute of Gerontology, College of Medicine, National Cheng Kung University, Tainan, Taiwan; Institute of Behavioral Medicine, College of Medicine, National Cheng Kung University, Tainan, Taiwan; Department of Psychology, National Cheng Kung University, Tainan, Taiwan; Department of Psychiatry, National Cheng Kung University Hospital, Douliu Branch, Yunlin, Taiwan; Graduate Institute of Genomics and Bioinformatics, College of Life Sciences, National Chung Hsing University, Taichung, Taiwan.
| | - Meng-Heng Yang
- Department of Psychology, National Cheng Kung University, Tainan, Taiwan
| | - Cheng-Ta Yang
- Department of Psychology, National Cheng Kung University, Tainan, Taiwan; Institute of Allied Health Sciences, National Cheng Kung University, Tainan, Taiwan; Department of Education and Humanities in Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan
| | - Joshua Goh
- Graduate Institute of Brain and Mind Sciences, National Taiwan University College of Medicine, Taipei, Taiwan
| | - Sheng-Hsiang Lin
- Institute of Clinical Medicine, College of Medicine, National Cheng Kung University, Tainan, Taiwan; Department of Public Health, College of Medicine, National Cheng Kung University, Tainan, Taiwan; Biostatistics Consulting Center, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Shulan Hsieh
- Department of Psychology, National Cheng Kung University, Tainan, Taiwan; Institute of Allied Health Sciences, National Cheng Kung University, Tainan, Taiwan; Department of Public Health, College of Medicine, National Cheng Kung University, Tainan, Taiwan.
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8
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Ramos A, Ishizuka K, Hayashida A, Namkung H, Hayes LN, Srivastava R, Zhang M, Kariya T, Elkins N, Palen T, Carloni E, Tsujimura T, Calva C, Ikemoto S, Rais R, Slusher BS, Niwa M, Saito A, Saitoh T, Takimoto E, Sawa A. Nuclear GAPDH in cortical microglia mediates cellular stress-induced cognitive inflexibility. Mol Psychiatry 2024; 29:2967-2978. [PMID: 38615102 PMCID: PMC11449656 DOI: 10.1038/s41380-024-02553-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/16/2022] [Revised: 03/12/2024] [Accepted: 04/05/2024] [Indexed: 04/15/2024]
Abstract
We report a mechanism that underlies stress-induced cognitive inflexibility at the molecular level. In a mouse model under subacute cellular stress in which deficits in rule shifting tasks were elicited, the nuclear glyceraldehyde dehydrogenase (N-GAPDH) cascade was activated specifically in microglia in the prelimbic cortex. The cognitive deficits were normalized with a pharmacological intervention with a compound (the RR compound) that selectively blocked the initiation of N-GAPDH cascade without affecting glycolytic activity. The normalization was also observed with a microglia-specific genetic intervention targeting the N-GAPDH cascade. At the mechanistic levels, the microglial secretion of High-Mobility Group Box (HMGB), which is known to bind with and regulate the NMDA-type glutamate receptors, was elevated. Consequently, the hyperactivation of the prelimbic layer 5 excitatory neurons, a neural substrate for cognitive inflexibility, was also observed. The upregulation of the microglial HMGB signaling and neuronal hyperactivation were normalized by the pharmacological and microglia-specific genetic interventions. Taken together, we show a pivotal role of cortical microglia and microglia-neuron interaction in stress-induced cognitive inflexibility. We underscore the N-GAPDH cascade in microglia, which causally mediates stress-induced cognitive alteration.
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Affiliation(s)
- Adriana Ramos
- Departments of Neuroscience, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Koko Ishizuka
- Departments of Psychiatry, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Arisa Hayashida
- Departments of Psychiatry, Johns Hopkins University School of Medicine, Baltimore, MD, USA
- International Collaborative Research Administration, Juntendo University, Tokyo, Japan
| | - Ho Namkung
- Departments of Biomedical Engineering, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Lindsay N Hayes
- Departments of Neuroscience, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Rupali Srivastava
- Departments of Psychiatry, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Manling Zhang
- Departments of Medicine, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Taro Kariya
- Departments of Medicine, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Noah Elkins
- Departments of Psychiatry, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Trexy Palen
- Departments of Psychiatry, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Elisa Carloni
- Departments of Psychiatry, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Tsuyoshi Tsujimura
- Departments of Psychiatry, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Coleman Calva
- Neurocircuitry of Motivation Section, National Institute on Drug Abuse, Baltimore, MD, USA
| | - Satoshi Ikemoto
- Neurocircuitry of Motivation Section, National Institute on Drug Abuse, Baltimore, MD, USA
| | - Rana Rais
- Departments of Pharmacology, Johns Hopkins University School of Medicine, Baltimore, MD, USA
- Departments of Neurology, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Barbara S Slusher
- Departments of Neuroscience, Johns Hopkins University School of Medicine, Baltimore, MD, USA
- Departments of Psychiatry, Johns Hopkins University School of Medicine, Baltimore, MD, USA
- Departments of Medicine, Johns Hopkins University School of Medicine, Baltimore, MD, USA
- Departments of Pharmacology, Johns Hopkins University School of Medicine, Baltimore, MD, USA
- Departments of Neurology, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Minae Niwa
- Departments of Psychiatry, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Atsushi Saito
- Departments of Neuroscience, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | | | - Eiki Takimoto
- Departments of Medicine, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Akira Sawa
- Departments of Neuroscience, Johns Hopkins University School of Medicine, Baltimore, MD, USA.
- Departments of Psychiatry, Johns Hopkins University School of Medicine, Baltimore, MD, USA.
- Departments of Biomedical Engineering, Johns Hopkins University School of Medicine, Baltimore, MD, USA.
- Departments of Pharmacology, Johns Hopkins University School of Medicine, Baltimore, MD, USA.
- Departments of Genetic Medicine, Johns Hopkins University School of Medicine, Baltimore, MD, USA.
- Department of Mental Health, Johns Hopkins University Bloomberg School of Public Health, Baltimore, MD, USA.
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9
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Sánchez-Rubio M, Abarzúa-Catalán L, Del Valle A, Méndez-Ruette M, Salazar N, Sigala J, Sandoval S, Godoy MI, Luarte A, Monteiro LJ, Romero R, Choolani MA, Wyneken Ú, Illanes SE, Bátiz LF. Maternal stress during pregnancy alters circulating small extracellular vesicles and enhances their targeting to the placenta and fetus. Biol Res 2024; 57:70. [PMID: 39342314 PMCID: PMC11438166 DOI: 10.1186/s40659-024-00548-4] [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: 10/06/2023] [Accepted: 09/05/2024] [Indexed: 10/01/2024] Open
Abstract
BACKGROUND Maternal psychological distress during pregnancy can negatively impact fetal development, resulting in long-lasting consequences for the offspring. These effects show a sex bias. The mechanisms whereby prenatal stress induces functional and/or structural changes in the placental-fetal unit remain poorly understood. Maternal circulating small extracellular vesicles (sEVs) are good candidates to act as "stress signals" in mother-to-fetus communication. Using a repetitive restraint-based rat model of prenatal stress, we examined circulating maternal sEVs under stress conditions and tested whether they could target placental-fetal tissues. RESULTS Our mild chronic maternal stress during pregnancy paradigm induced anhedonic-like behavior in pregnant dams and led to intrauterine growth restriction (IUGR), particularly in male fetuses and placentas. The concentration and cargo of maternal circulating sEVs changed under stress conditions. Specifically, there was a significant reduction in neuron-enriched proteins and a significant increase in astrocyte-enriched proteins in blood-borne sEVs from stressed dams. To study the effect of repetitive restraint stress on the biodistribution of maternal circulating sEVs in the fetoplacental unit, sEVs from pregnant dams exposed to stress or control protocol were labeled with DiR fluorescent die and injected into pregnant females previously exposed to control or stress protocol. Remarkably, maternal circulating sEVs target placental/fetal tissues and, under stress conditions, fetal tissues are more receptive to sEVs. CONCLUSION Our results suggest that maternal circulating sEVs can act as novel mediators/modulators of mother-to-fetus stress communication. Further studies are needed to identify placental/fetal cellular targets of maternal sEVs and characterize their contribution to stress-induced sex-specific placental and fetal changes.
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Affiliation(s)
- Mario Sánchez-Rubio
- Research Program in Neuroscience, Center for Biomedical Research and Innovation (CiiB), Universidad de los Andes, Santiago, Chile
| | - Lorena Abarzúa-Catalán
- Research Program in Neuroscience, Center for Biomedical Research and Innovation (CiiB), Universidad de los Andes, Santiago, Chile
| | - Ana Del Valle
- Research Program in Neuroscience, Center for Biomedical Research and Innovation (CiiB), Universidad de los Andes, Santiago, Chile
| | - Maxs Méndez-Ruette
- Research Program in Neuroscience, Center for Biomedical Research and Innovation (CiiB), Universidad de los Andes, Santiago, Chile
- PhD Program in Biomedicine, Facultad de Medicina, Universidad de los Andes, Santiago, Chile
- IMPACT, Center of Interventional Medicine for Precision and Advanced Cellular Therapy, Santiago, Chile
| | - Natalia Salazar
- School of Medicine, Facultad de Medicina, Universidad de los Andes, Santiago, Chile
| | - Jacinta Sigala
- School of Medicine, Facultad de Medicina, Universidad de los Andes, Santiago, Chile
| | - Soledad Sandoval
- Research Program in Neuroscience, Center for Biomedical Research and Innovation (CiiB), Universidad de los Andes, Santiago, Chile
- School of Medicine, Facultad de Medicina, Universidad de los Andes, Santiago, Chile
| | - María Inés Godoy
- Department of Educational Assessment, Measurement, and Registry, Universidad de Chile, Santiago, Chile
| | - Alejandro Luarte
- Research Program in Neuroscience, Center for Biomedical Research and Innovation (CiiB), Universidad de los Andes, Santiago, Chile
- IMPACT, Center of Interventional Medicine for Precision and Advanced Cellular Therapy, Santiago, Chile
- School of Medicine, Facultad de Medicina, Universidad de los Andes, Santiago, Chile
| | - Lara J Monteiro
- IMPACT, Center of Interventional Medicine for Precision and Advanced Cellular Therapy, Santiago, Chile
- School of Medicine, Facultad de Medicina, Universidad de los Andes, Santiago, Chile
- Research Program in Biology of Reproduction, Center for Biomedical Research and Innovation (CiiB), Universidad de los Andes, Santiago, Chile
| | - Roberto Romero
- Pregnancy Research Branch, Division of Obstetrics and Maternal-Fetal Medicine, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, United States Department of Health and Human Services (NICHD/NIH/DHHS), Bethesda, Detroit, and Maryland, Michigan, USA
- Department of Obstetrics and Gynecology, University of Michigan, Ann Arbor, MI, USA
- Department of Epidemiology and Biostatistics, Michigan State University, East Lansing, MI, USA
| | - Mahesh A Choolani
- Division of Maternal Fetal Medicine, Department of Obstetrics and Gynecology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | - Úrsula Wyneken
- Research Program in Neuroscience, Center for Biomedical Research and Innovation (CiiB), Universidad de los Andes, Santiago, Chile
- IMPACT, Center of Interventional Medicine for Precision and Advanced Cellular Therapy, Santiago, Chile
- School of Medicine, Facultad de Medicina, Universidad de los Andes, Santiago, Chile
| | - Sebastián E Illanes
- IMPACT, Center of Interventional Medicine for Precision and Advanced Cellular Therapy, Santiago, Chile.
- School of Medicine, Facultad de Medicina, Universidad de los Andes, Santiago, Chile.
- Research Program in Biology of Reproduction, Center for Biomedical Research and Innovation (CiiB), Universidad de los Andes, Santiago, Chile.
- Department of Obstetrics and Gynecology, School of Medicine, Facultad de Medicina, Universidad de los Andes, Santiago, Chile.
- Centro de Investigación e Innovación Biomédica (CiiB), Facultad de Medicina, Universidad de los Andes, Mons. Álvaro del Portillo 12455, Las Condes, Santiago, Chile.
| | - Luis Federico Bátiz
- Research Program in Neuroscience, Center for Biomedical Research and Innovation (CiiB), Universidad de los Andes, Santiago, Chile.
- IMPACT, Center of Interventional Medicine for Precision and Advanced Cellular Therapy, Santiago, Chile.
- School of Medicine, Facultad de Medicina, Universidad de los Andes, Santiago, Chile.
- Centro de Investigación e Innovación Biomédica (CiiB), Facultad de Medicina, Universidad de los Andes, Mons. Álvaro del Portillo 12455, Las Condes, Santiago, Chile.
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10
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Fournier LA, Phadke RA, Salgado M, Brack A, Nocon JC, Bolshakova S, Grant JR, Padró Luna NM, Sen K, Cruz-Martín A. Overexpression of the schizophrenia risk gene C4 in PV cells drives sex-dependent behavioral deficits and circuit dysfunction. iScience 2024; 27:110800. [PMID: 39310747 PMCID: PMC11416532 DOI: 10.1016/j.isci.2024.110800] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2024] [Revised: 07/09/2024] [Accepted: 08/20/2024] [Indexed: 09/25/2024] Open
Abstract
Fast-spiking parvalbumin (PV)-positive cells are key players in orchestrating pyramidal neuron activity, and their dysfunction is consistently observed in myriad brain diseases. To understand how immune complement pathway dysregulation in PV cells drives disease pathogenesis, we have developed a transgenic line that permits cell-type specific overexpression of the schizophrenia-associated C4 gene. We found that overexpression of mouse C4 (mC4) in PV cells causes sex-specific alterations in anxiety-like behavior and deficits in synaptic connectivity and excitability of PFC PV cells. Using a computational model, we demonstrated that these microcircuit deficits led to hyperactivity and disrupted neural communication. Finally, pan-neuronal overexpression of mC4 failed to evoke the same deficits in behavior as PV-specific mC4 overexpression, suggesting that perturbations of this neuroimmune gene in fast-spiking neurons are especially detrimental to circuits associated with anxiety-like behavior. Together, these results provide a causative link between C4 and the vulnerability of PV cells in brain disease.
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Affiliation(s)
- Luke A. Fournier
- Neurobiology Section in the Department of Biology, Boston University, Boston, MA, USA
| | - Rhushikesh A. Phadke
- Molecular Biology, Cell Biology & Biochemistry Program, Boston University, Boston, MA, USA
| | - Maria Salgado
- Neurobiology Section in the Department of Biology, Boston University, Boston, MA, USA
| | - Alison Brack
- Molecular Biology, Cell Biology & Biochemistry Program, Boston University, Boston, MA, USA
| | - Jian Carlo Nocon
- Neurophotonics Center, Boston University, Boston, MA, USA
- Center for Systems Neuroscience, Boston University, Boston, MA, USA
- Hearing Research Center, Boston University, Boston, MA, USA
- Department of Biomedical Engineering, Boston University, Boston, MA, USA
| | - Sonia Bolshakova
- Neurobiology Section in the Department of Biology, Boston University, Boston, MA, USA
- Bioinformatics MS Program, Boston University, Boston, MA, USA
| | - Jaylyn R. Grant
- Biological Sciences, Eastern Illinois University, Charleston, IL, USA
- The Summer Undergraduate Research Fellowship (SURF) Program, Boston University, Boston, MA, USA
| | - Nicole M. Padró Luna
- The Summer Undergraduate Research Fellowship (SURF) Program, Boston University, Boston, MA, USA
- Biology Department, College of Natural Sciences, University of Puerto Rico, Rio Piedras Campus, San Juan, PR, USA
| | - Kamal Sen
- Neurophotonics Center, Boston University, Boston, MA, USA
- Center for Systems Neuroscience, Boston University, Boston, MA, USA
- Hearing Research Center, Boston University, Boston, MA, USA
- Department of Biomedical Engineering, Boston University, Boston, MA, USA
| | - Alberto Cruz-Martín
- Neurobiology Section in the Department of Biology, Boston University, Boston, MA, USA
- Molecular Biology, Cell Biology & Biochemistry Program, Boston University, Boston, MA, USA
- Department of Anesthesiology, University of Colorado Anschutz Medical Campus, Aurora, CO, USA
- NeuroTechnology Center (NTC), University of Colorado Anschutz Medical Campus, Aurora, CO, USA
- Neuroscience Graduate Program, University of Colorado Anschutz Medical Campus, Aurora, CO, USA
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11
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Wang J, Shi F, Yu L. Effects of acute stress on biological motion perception. PLoS One 2024; 19:e0310502. [PMID: 39292714 PMCID: PMC11410201 DOI: 10.1371/journal.pone.0310502] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2023] [Accepted: 09/02/2024] [Indexed: 09/20/2024] Open
Abstract
Biological motion perception is an essential part of the cognitive process. Stress can affect the cognitive process. The present study explored the intrinsic ERP features of the effects of acute psychological stress on biological motion perception. The results contributed scientific evidence for the adaptive behavior changes under acute stress. After a mental arithmetic task was used to induce stress, the paradigm of point-light displays was used to evaluate biological motion perception. Longer reaction time and lower accuracy were found in the inverted walking condition than in the upright walking condition, which was called the "inversion effect". The P2 peak amplitude and the LPP mean amplitude were significantly higher in the local inverted perception than in the local upright walking condition. Compared to the control condition, the stress condition induced lower RT, shorter P1 peak latency of biological motion perception, lower P2 peak amplitude and LPP mean amplitude, and higher N330 peak amplitude. There was an "inversion effect" in biological motion perception. This effect was related to the structural characteristics of biological motion perception but unrelated to the state of acute psychological stress. Acute psychological stress accelerated the reaction time and enhanced attention control of biological motion perception. Attention resources were used earlier, and less attentional investment was made in the early stage of biological motion perception processing. In the late stage, a continuous weakening of inhibition was shown in the parieto-occipital area.
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Affiliation(s)
- Jifu Wang
- College of Education and Physical Education, Yangtze University, Jingzhou, China
| | - Fang Shi
- College of Education and Physical Education, Yangtze University, Jingzhou, China
| | - Lin Yu
- Neurocognition and Action-Biomechanics Research Group, Faculty of Psychology and Sports Science, Bielefeld University, Bielefeld, Germany
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12
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Luo Z, Li W, Hu Z, Lu H, Wang C, Lan X, Mai S, Liu G, Zhang F, Chen X, You Z, Zeng Y, Chen Y, Liang Y, Chen Y, Zhou Y, Ning Y. Structural covariance network activity in the medial prefrontal cortex is modulated by childhood abuse in adolescents with depression. J Affect Disord 2024; 367:903-912. [PMID: 39251093 DOI: 10.1016/j.jad.2024.09.023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/16/2024] [Revised: 09/03/2024] [Accepted: 09/06/2024] [Indexed: 09/11/2024]
Abstract
Aberrant structural covariance (SC) in the medial prefrontal cortex (mPFC) is believed to play a crucial role in adolescent-onset major depressive disorder (AO-MDD). However, the effect of childhood abuse (CA) on SC in AO-MDD patients is still unknown. Here, we measured anomalous SC in the mPFC of AO-MDD patients and assessed the potential modulation of this feature by CA. We acquired T1-weighted structural images of AO-MDD patients (n = 93) and healthy controls (HCs, n = 81). Using voxel-based morphometry analysis, we calculated gray matter volumes for each subject. Subsequently, we classified abnormal SC in the mPFC into three subtypes according to overall CA. Compared with HCs, AO-MDD patients showed alterations in the structural covariance network of the mPFC, which is a central region in the default mode network (DMN). We also found an anterior-posterior dissociation in the structural covariance connectivity of the DMN. A history of CA modulated bilateral mPFC SC. These changes were primarily focused on the SC between the mPFC and the limbic system, indicating a gap in the rate of neural maturation between these regions. In summary, the DMN and frontal-limbic system, which are involved in emotional processing, appear to play a significant role in the development of AO-MDD. These findings highlight the crucial effects of CA on neurophysiological alterations in individuals with AO-MDD.
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Affiliation(s)
- Zhanjie Luo
- The First School of Clinical Medicine, Southern Medical University, Guangzhou, China; Department of Child and Adolescent Psychiatry, The Affiliated Brain Hospital, Guangzhou Medical University, Guangzhou, China; Key Laboratory of Neurogenetics and Channelopathies of Guangdong Province and the Ministry of Education of China, Guangzhou Medical University, Guangzhou, China; Guangdong Engineering Technology Research Center for Translational Medicine of Mental Disorders, Guangzhou, China
| | - Weicheng Li
- The First School of Clinical Medicine, Southern Medical University, Guangzhou, China; Department of Child and Adolescent Psychiatry, The Affiliated Brain Hospital, Guangzhou Medical University, Guangzhou, China; Key Laboratory of Neurogenetics and Channelopathies of Guangdong Province and the Ministry of Education of China, Guangzhou Medical University, Guangzhou, China; Guangdong Engineering Technology Research Center for Translational Medicine of Mental Disorders, Guangzhou, China
| | - Zhibo Hu
- Department of Child and Adolescent Psychiatry, The Affiliated Brain Hospital, Guangzhou Medical University, Guangzhou, China; Key Laboratory of Neurogenetics and Channelopathies of Guangdong Province and the Ministry of Education of China, Guangzhou Medical University, Guangzhou, China; Guangdong Engineering Technology Research Center for Translational Medicine of Mental Disorders, Guangzhou, China
| | - Hanna Lu
- Department of Psychiatry, The Chinese University of Hong Kong, Hong Kong
| | - Chengyu Wang
- Department of Child and Adolescent Psychiatry, The Affiliated Brain Hospital, Guangzhou Medical University, Guangzhou, China; Key Laboratory of Neurogenetics and Channelopathies of Guangdong Province and the Ministry of Education of China, Guangzhou Medical University, Guangzhou, China; Guangdong Engineering Technology Research Center for Translational Medicine of Mental Disorders, Guangzhou, China
| | - Xiaofeng Lan
- Department of Child and Adolescent Psychiatry, The Affiliated Brain Hospital, Guangzhou Medical University, Guangzhou, China; Key Laboratory of Neurogenetics and Channelopathies of Guangdong Province and the Ministry of Education of China, Guangzhou Medical University, Guangzhou, China; Guangdong Engineering Technology Research Center for Translational Medicine of Mental Disorders, Guangzhou, China
| | - Siming Mai
- Department of Child and Adolescent Psychiatry, The Affiliated Brain Hospital, Guangzhou Medical University, Guangzhou, China; Key Laboratory of Neurogenetics and Channelopathies of Guangdong Province and the Ministry of Education of China, Guangzhou Medical University, Guangzhou, China; Guangdong Engineering Technology Research Center for Translational Medicine of Mental Disorders, Guangzhou, China
| | - Guanxi Liu
- The First School of Clinical Medicine, Southern Medical University, Guangzhou, China; Department of Child and Adolescent Psychiatry, The Affiliated Brain Hospital, Guangzhou Medical University, Guangzhou, China; Key Laboratory of Neurogenetics and Channelopathies of Guangdong Province and the Ministry of Education of China, Guangzhou Medical University, Guangzhou, China; Guangdong Engineering Technology Research Center for Translational Medicine of Mental Disorders, Guangzhou, China
| | - Fan Zhang
- The First School of Clinical Medicine, Southern Medical University, Guangzhou, China; Department of Child and Adolescent Psychiatry, The Affiliated Brain Hospital, Guangzhou Medical University, Guangzhou, China; Key Laboratory of Neurogenetics and Channelopathies of Guangdong Province and the Ministry of Education of China, Guangzhou Medical University, Guangzhou, China; Guangdong Engineering Technology Research Center for Translational Medicine of Mental Disorders, Guangzhou, China
| | - Xiaoyu Chen
- Department of Child and Adolescent Psychiatry, The Affiliated Brain Hospital, Guangzhou Medical University, Guangzhou, China; Key Laboratory of Neurogenetics and Channelopathies of Guangdong Province and the Ministry of Education of China, Guangzhou Medical University, Guangzhou, China; Guangdong Engineering Technology Research Center for Translational Medicine of Mental Disorders, Guangzhou, China
| | - Zerui You
- The First School of Clinical Medicine, Southern Medical University, Guangzhou, China; Department of Child and Adolescent Psychiatry, The Affiliated Brain Hospital, Guangzhou Medical University, Guangzhou, China; Key Laboratory of Neurogenetics and Channelopathies of Guangdong Province and the Ministry of Education of China, Guangzhou Medical University, Guangzhou, China; Guangdong Engineering Technology Research Center for Translational Medicine of Mental Disorders, Guangzhou, China
| | - Yexian Zeng
- Department of Child and Adolescent Psychiatry, The Affiliated Brain Hospital, Guangzhou Medical University, Guangzhou, China; Key Laboratory of Neurogenetics and Channelopathies of Guangdong Province and the Ministry of Education of China, Guangzhou Medical University, Guangzhou, China; Guangdong Engineering Technology Research Center for Translational Medicine of Mental Disorders, Guangzhou, China
| | - Yiying Chen
- Department of Child and Adolescent Psychiatry, The Affiliated Brain Hospital, Guangzhou Medical University, Guangzhou, China; Key Laboratory of Neurogenetics and Channelopathies of Guangdong Province and the Ministry of Education of China, Guangzhou Medical University, Guangzhou, China; Guangdong Engineering Technology Research Center for Translational Medicine of Mental Disorders, Guangzhou, China
| | - Yanmei Liang
- Department of Child and Adolescent Psychiatry, The Affiliated Brain Hospital, Guangzhou Medical University, Guangzhou, China; Key Laboratory of Neurogenetics and Channelopathies of Guangdong Province and the Ministry of Education of China, Guangzhou Medical University, Guangzhou, China; Guangdong Engineering Technology Research Center for Translational Medicine of Mental Disorders, Guangzhou, China
| | - Yifang Chen
- Department of Child and Adolescent Psychiatry, The Affiliated Brain Hospital, Guangzhou Medical University, Guangzhou, China; Key Laboratory of Neurogenetics and Channelopathies of Guangdong Province and the Ministry of Education of China, Guangzhou Medical University, Guangzhou, China; Guangdong Engineering Technology Research Center for Translational Medicine of Mental Disorders, Guangzhou, China
| | - Yanling Zhou
- Department of Child and Adolescent Psychiatry, The Affiliated Brain Hospital, Guangzhou Medical University, Guangzhou, China; Key Laboratory of Neurogenetics and Channelopathies of Guangdong Province and the Ministry of Education of China, Guangzhou Medical University, Guangzhou, China; Guangdong Engineering Technology Research Center for Translational Medicine of Mental Disorders, Guangzhou, China.
| | - Yuping Ning
- The First School of Clinical Medicine, Southern Medical University, Guangzhou, China; Department of Child and Adolescent Psychiatry, The Affiliated Brain Hospital, Guangzhou Medical University, Guangzhou, China; Key Laboratory of Neurogenetics and Channelopathies of Guangdong Province and the Ministry of Education of China, Guangzhou Medical University, Guangzhou, China; Guangdong Engineering Technology Research Center for Translational Medicine of Mental Disorders, Guangzhou, China.
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13
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Rodrigues B, Leitão RA, Santos M, Trofimov A, Silva M, Inácio ÂS, Abreu M, Nobre RJ, Costa J, Cardoso AL, Milosevic I, Peça J, Oliveiros B, Pereira de Almeida L, Pinheiro PS, Carvalho AL. MiR-186-5p inhibition restores synaptic transmission and neuronal network activity in a model of chronic stress. Mol Psychiatry 2024:10.1038/s41380-024-02715-1. [PMID: 39237722 DOI: 10.1038/s41380-024-02715-1] [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: 10/02/2023] [Revised: 08/15/2024] [Accepted: 08/22/2024] [Indexed: 09/07/2024]
Abstract
Chronic stress exerts profound negative effects on cognitive and emotional behaviours and is a major risk factor for the development of neuropsychiatric disorders. However, the molecular links between chronic stress and its deleterious effects on neuronal and synaptic function remain elusive. Here, using a combination of in vitro and in vivo approaches, we demonstrate that the upregulation of miR-186-5p triggered by chronic stress may be a key mediator of such changes, leading to synaptic dysfunction. Our results show that the expression levels of miR-186-5p are increased both in the prefrontal cortex (PFC) of mice exposed to chronic stress and in cortical neurons chronically exposed to dexamethasone. Additionally, viral overexpression of miR-186-5p in the PFC of naïve mice induces anxiety- and depressive-like behaviours. The upregulation of miR-186-5p through prolonged glucocorticoid receptor activation in vitro, or in a mouse model of chronic stress, differentially affects glutamatergic and GABAergic synaptic transmission, causing an imbalance in excitation/inhibition that leads to altered neuronal network activity. At glutamatergic synapses, we observed both a reduction in synaptic AMPARs and synaptic transmission, whereas GABAergic synaptic transmission was strengthened. These changes could be rescued in vitro by a miR-186-5p inhibitor. Overall, our results establish a novel molecular link between chronic glucocorticoid receptor activation, the upregulation of miR-186-5p and the synaptic changes induced by chronic stress, that may be amenable to therapeutic intervention.
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Affiliation(s)
- Beatriz Rodrigues
- CNC-Centre for Neuroscience and Cell Biology, University of Coimbra, 3004-504, Coimbra, Portugal
- CiBB-Center for Innovative Biomedicine and Biotechnology, University of Coimbra, 3004-504, Coimbra, Portugal
- Institute for Interdisciplinary Research, University of Coimbra, 3030-789, Coimbra, Portugal
- Experimental Biology and Biomedicine Doctoral Programme, Institute for Interdisciplinary Research, University of Coimbra, 3030-789, Coimbra, Portugal
| | - Ricardo A Leitão
- CNC-Centre for Neuroscience and Cell Biology, University of Coimbra, 3004-504, Coimbra, Portugal
- CiBB-Center for Innovative Biomedicine and Biotechnology, University of Coimbra, 3004-504, Coimbra, Portugal
- Institute for Interdisciplinary Research, University of Coimbra, 3030-789, Coimbra, Portugal
| | - Mónica Santos
- CNC-Centre for Neuroscience and Cell Biology, University of Coimbra, 3004-504, Coimbra, Portugal
- CiBB-Center for Innovative Biomedicine and Biotechnology, University of Coimbra, 3004-504, Coimbra, Portugal
- Institute for Interdisciplinary Research, University of Coimbra, 3030-789, Coimbra, Portugal
| | - Alexander Trofimov
- CNC-Centre for Neuroscience and Cell Biology, University of Coimbra, 3004-504, Coimbra, Portugal
- CiBB-Center for Innovative Biomedicine and Biotechnology, University of Coimbra, 3004-504, Coimbra, Portugal
- Integrative Brain Function Neurobiology Lab, I.P. Pavlov Department of Physiology, Institute of Experimental Medicine, 197022, St. Petersburg, Russia
- Department of Biology, School of Sciences and Humanities, Nazarbayev University, 010000, Astana, Kazakhstan
| | - Mariline Silva
- CNC-Centre for Neuroscience and Cell Biology, University of Coimbra, 3004-504, Coimbra, Portugal
- Institute for Interdisciplinary Research, University of Coimbra, 3030-789, Coimbra, Portugal
- Department of Applied Physics and Science for Life Laboratory (SciLifeLab), KTH Royal Institute of Technology, 100 44, Stockholm, Sweden
| | - Ângela S Inácio
- CNC-Centre for Neuroscience and Cell Biology, University of Coimbra, 3004-504, Coimbra, Portugal
- CiBB-Center for Innovative Biomedicine and Biotechnology, University of Coimbra, 3004-504, Coimbra, Portugal
- Institute for Interdisciplinary Research, University of Coimbra, 3030-789, Coimbra, Portugal
| | - Mónica Abreu
- Multidisciplinary Institute of Aging, MIA Portugal, University of Coimbra, 3004-504, Coimbra, Portugal
| | - Rui J Nobre
- CNC-Centre for Neuroscience and Cell Biology, University of Coimbra, 3004-504, Coimbra, Portugal
- CiBB-Center for Innovative Biomedicine and Biotechnology, University of Coimbra, 3004-504, Coimbra, Portugal
- Institute for Interdisciplinary Research, University of Coimbra, 3030-789, Coimbra, Portugal
- ViraVector, University of Coimbra, 3004-504, Coimbra, Portugal
| | - Jéssica Costa
- CNC-Centre for Neuroscience and Cell Biology, University of Coimbra, 3004-504, Coimbra, Portugal
- CiBB-Center for Innovative Biomedicine and Biotechnology, University of Coimbra, 3004-504, Coimbra, Portugal
- Institute for Interdisciplinary Research, University of Coimbra, 3030-789, Coimbra, Portugal
- Experimental Biology and Biomedicine Doctoral Programme, Institute for Interdisciplinary Research, University of Coimbra, 3030-789, Coimbra, Portugal
| | - Ana Luísa Cardoso
- CNC-Centre for Neuroscience and Cell Biology, University of Coimbra, 3004-504, Coimbra, Portugal
- CiBB-Center for Innovative Biomedicine and Biotechnology, University of Coimbra, 3004-504, Coimbra, Portugal
- Institute for Interdisciplinary Research, University of Coimbra, 3030-789, Coimbra, Portugal
| | - Ira Milosevic
- CiBB-Center for Innovative Biomedicine and Biotechnology, University of Coimbra, 3004-504, Coimbra, Portugal
- Multidisciplinary Institute of Aging, MIA Portugal, University of Coimbra, 3004-504, Coimbra, Portugal
- Wellcome Centre for Human Genetics, Nuffield Department of Medicine, University of Oxford, Oxford, United Kingdom
| | - João Peça
- CNC-Centre for Neuroscience and Cell Biology, University of Coimbra, 3004-504, Coimbra, Portugal
- CiBB-Center for Innovative Biomedicine and Biotechnology, University of Coimbra, 3004-504, Coimbra, Portugal
- Department of Life Sciences, Faculty of Sciences and Technology, University of Coimbra, 3000-456, Coimbra, Portugal
| | - Bárbara Oliveiros
- CiBB-Center for Innovative Biomedicine and Biotechnology, University of Coimbra, 3004-504, Coimbra, Portugal
- iCRB-Coimbra Institute for Clinical and Biomedical Research, University of Coimbra, 3000-548, Coimbra, Portugal
- Faculty of Medicine, University of Coimbra, 3000-548, Coimbra, Portugal
| | - Luís Pereira de Almeida
- CNC-Centre for Neuroscience and Cell Biology, University of Coimbra, 3004-504, Coimbra, Portugal
- CiBB-Center for Innovative Biomedicine and Biotechnology, University of Coimbra, 3004-504, Coimbra, Portugal
- ViraVector, University of Coimbra, 3004-504, Coimbra, Portugal
- Faculty of Pharmacy, University of Coimbra, 3000-548, Coimbra, Portugal
| | - Paulo S Pinheiro
- CNC-Centre for Neuroscience and Cell Biology, University of Coimbra, 3004-504, Coimbra, Portugal.
- CiBB-Center for Innovative Biomedicine and Biotechnology, University of Coimbra, 3004-504, Coimbra, Portugal.
- Department of Life Sciences, Faculty of Sciences and Technology, University of Coimbra, 3000-456, Coimbra, Portugal.
| | - Ana Luísa Carvalho
- CNC-Centre for Neuroscience and Cell Biology, University of Coimbra, 3004-504, Coimbra, Portugal.
- CiBB-Center for Innovative Biomedicine and Biotechnology, University of Coimbra, 3004-504, Coimbra, Portugal.
- Department of Life Sciences, Faculty of Sciences and Technology, University of Coimbra, 3000-456, Coimbra, Portugal.
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14
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Parlatini V, Bellato A, Murphy D, Cortese S. From neurons to brain networks, pharmacodynamics of stimulant medication for ADHD. Neurosci Biobehav Rev 2024; 164:105841. [PMID: 39098738 DOI: 10.1016/j.neubiorev.2024.105841] [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: 04/17/2024] [Revised: 07/25/2024] [Accepted: 08/01/2024] [Indexed: 08/06/2024]
Abstract
Stimulants represent the first line pharmacological treatment for attention-deficit/hyperactivity disorder (ADHD) and are among the most prescribed psychopharmacological treatments. Their mechanism of action at synaptic level has been extensively studied. However, it is less clear how their mechanism of action determines clinically observed benefits. To help bridge this gap, we provide a comprehensive review of stimulant effects, with an emphasis on nuclear medicine and magnetic resonance imaging (MRI) findings. There is evidence that stimulant-induced modulation of dopamine and norepinephrine neurotransmission optimizes engagement of task-related brain networks, increases perceived saliency, and reduces interference from the default mode network. An acute administration of stimulants may reduce brain alterations observed in untreated individuals in fronto-striato-parieto-cerebellar networks during tasks or at rest. Potential effects of prolonged treatment remain controversial. Overall, neuroimaging has fostered understanding on stimulant mechanism of action. However, studies are often limited by small samples, short or no follow-up, and methodological heterogeneity. Future studies should address age-related and longer-term effects, potential differences among stimulants, and predictors of treatment response.
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Affiliation(s)
- Valeria Parlatini
- School of Psychology, University of Southampton, Southampton, United Kingdom; Centre for Innovation in Mental Health, University of Southampton, Southampton, United Kingdom; Institute for Life Sciences, University of Southampton, Southampton, United Kingdom; Institute of Translational Neurodevelopment, Department of Forensic and Neurodevelopmental Sciences, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London SE5 8AF, United Kingdom; Department of Forensic and Neurodevelopmental Sciences, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London SE5 8AF, United Kingdom; Solent NHS Trust, Southampton, United Kingdom.
| | - Alessio Bellato
- School of Psychology, University of Southampton, Southampton, United Kingdom; Centre for Innovation in Mental Health, University of Southampton, Southampton, United Kingdom; Institute for Life Sciences, University of Southampton, Southampton, United Kingdom; Solent NHS Trust, Southampton, United Kingdom; School of Psychology, University of Nottingham, Semenyih, Malaysia
| | - Declan Murphy
- Institute of Translational Neurodevelopment, Department of Forensic and Neurodevelopmental Sciences, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London SE5 8AF, United Kingdom; Department of Forensic and Neurodevelopmental Sciences, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London SE5 8AF, United Kingdom
| | - Samuele Cortese
- School of Psychology, University of Southampton, Southampton, United Kingdom; Centre for Innovation in Mental Health, University of Southampton, Southampton, United Kingdom; Institute for Life Sciences, University of Southampton, Southampton, United Kingdom; Solent NHS Trust, Southampton, United Kingdom; Mind and Neurodevelopment (MiND) Research Group, University of Nottingham, Semenyih, Malaysia; Clinical and Experimental Sciences (CNS and Psychiatry), Faculty of Medicine, University of Southampton, Southampton, United Kingdom; Hassenfeld Children's Hospital at NYU Langone, New York University Child Study Center, New York, NY, USA
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15
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Huang S, Shi C, Tao D, Yang C, Luo Y. Modulating reward and aversion: Insights into addiction from the paraventricular nucleus. CNS Neurosci Ther 2024; 30:e70046. [PMID: 39295107 PMCID: PMC11410887 DOI: 10.1111/cns.70046] [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: 06/16/2024] [Revised: 08/14/2024] [Accepted: 08/31/2024] [Indexed: 09/21/2024] Open
Abstract
BACKGROUND Drug addiction, characterized by compulsive drug use and high relapse rates, arises from complex interactions between reward and aversion systems in the brain. The paraventricular nucleus (PVN), located in the anterior hypothalamus, serves as a neuroendocrine center and is a key component of the hypothalamic-pituitary-adrenal axis. OBJECTIVE This review aimed to explore how the PVN impacts reward and aversion in drug addiction through stress responses and emotional regulation and to evaluate the potential of PVN as a therapeutic target for drug addiction. METHODS We review the current literature, focusing on three main neuron types in the PVN-corticotropin-releasing factor, oxytocin, and arginine vasopressin neurons-as well as other related neurons, to understand their roles in modulating addiction. RESULTS Existing studies highlight the PVN as a key mediator in addiction, playing a dual role in reward and aversion systems. These findings are crucial for understanding addiction mechanisms and developing targeted therapies. CONCLUSION The role of PVN in stress response and emotional regulation suggests its potential as a therapeutic target in drug addiction, offering new insights for addiction treatment.
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Affiliation(s)
- Shihao Huang
- Hunan Province People's HospitalThe First‐Affiliated Hospital of Hunan Normal UniversityChangshaChina
- National Institute on Drug Dependence and Beijing Key Laboratory of Drug Dependence ResearchPeking UniversityBeijingChina
- Department of Neurobiology, School of Basic Medical SciencesPeking University Health Science CenterBeijingChina
| | - Cuijie Shi
- College of Forensic MedicineHebei Medical UniversityShijiazhuangChina
| | - Dan Tao
- School of MedicineHunan Normal UniversityChangshaChina
| | - Chang Yang
- School of MedicineHunan Normal UniversityChangshaChina
| | - Yixiao Luo
- Hunan Province People's HospitalThe First‐Affiliated Hospital of Hunan Normal UniversityChangshaChina
- Key Laboratory for Birth Defects Research and Prevention of the National Health CommissionHunan Provincial Maternal and Child Health Care HospitalChangshaChina
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16
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Chu CH, Huang IL, Hillman CH, Chen NC, Yu J, Hung CS, Chen FT, Chang YK. The relationship between cardiorespiratory fitness and inhibitory control following acute stress: An ERP study. Psychophysiology 2024; 61:e14592. [PMID: 38682486 DOI: 10.1111/psyp.14592] [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: 01/16/2024] [Revised: 04/02/2024] [Accepted: 04/04/2024] [Indexed: 05/01/2024]
Abstract
Although the relationships among acute stress, cardiorespiratory fitness (CRF), and cognitive function have been examined, whether CRF is related to behavioral and neuroelectric indices of inhibitory control following acute stress remains unknown. The purpose of the current study was to investigate the combined influence of acute stress and CRF on inhibitory control. Participants, aged 20-30 years, were stratified into the Higher-Fit (n = 31) and the Lower-Fit (n = 32) groups, and completed a Stroop task following the modified Maastricht Acute Stress Test (MAST) in the stress condition and the sham-MAST in the non-stress condition, during which electroencephalography was recorded. Behavioral (i.e., response time and accuracy) and neuroelectric (N2 and P3b components of the event-related potential) outcomes of inhibitory control were obtained. While the Higher-Fit group demonstrated shorter response times and higher accuracy than the Lower-Fit group following both the MAST and the sham-MAST, they also exhibited selective benefits of acute stress on inhibitory control performance (i.e., decreased response times and diminished interference scores). CRF-dependent alterations in neuroelectric indices were also observed, with the Higher-Fit group displaying smaller N2 and greater P3b amplitudes than the Lower-Fit group following the sham-MAST, and increased N2 and attenuated P3b amplitudes following the MAST. Collectively, these findings not only confirm the positive relationship between CRF and inhibitory control but also provide novel insights into the potential influence of CRF on inhibitory control and associated neuroelectric activity following acute stress.
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Affiliation(s)
- Chien-Heng Chu
- Department of Physical Education and Sport Sciences, National Taiwan Normal University, Taipei, Taiwan
| | - I-Lun Huang
- Department of Physical Education and Sport Sciences, National Taiwan Normal University, Taipei, Taiwan
| | - Charles H Hillman
- Department of Psychology, Northeastern University, Boston, Massachusetts, USA
- Department of Physical Therapy, Movement, and Rehabilitation Sciences, Northeastern University, Boston, Massachusetts, USA
- Center for Cognitive and Brain Health, Northeastern University, Boston, Massachusetts, USA
| | - Nai-Chi Chen
- Department of Physical Education and Sport Sciences, National Taiwan Normal University, Taipei, Taiwan
| | - Jeffrey Yu
- Department of Physical Education and Sport Sciences, National Taiwan Normal University, Taipei, Taiwan
| | - Chen-Sin Hung
- Department of Physical Education and Sport Sciences, National Taiwan Normal University, Taipei, Taiwan
| | - Feng-Tzu Chen
- Department of Kinesiology, National Tsing Hua University, Hsinchu, Taiwan
| | - Yu-Kai Chang
- Department of Physical Education and Sport Sciences, National Taiwan Normal University, Taipei, Taiwan
- Social Emotional Education and Development Center, National Taiwan Normal University, Taipei, Taiwan
- Institute for Research Excellence in Learning Science, National Taiwan Normal University, Taipei, Taiwan
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Knöbel S, Borchert A, Gatzmaga N, Heilmann F, Musculus L, Laborde S, Lautenbach F. The impact of soccer-specific psychophysiological stress on inhibition and cognitive flexibility in elite youth players. PSYCHOLOGY OF SPORT AND EXERCISE 2024; 74:102682. [PMID: 38821249 DOI: 10.1016/j.psychsport.2024.102682] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/22/2023] [Revised: 04/12/2024] [Accepted: 05/27/2024] [Indexed: 06/02/2024]
Abstract
While researchers and practitioners attribute an essential role to executive functions (EFs) for soccer performance, the usefulness of respective diagnostics and the predictive value remain unclear. One limitation restricting the translation and relevance of study results to improve actual game performance is the insufficient consideration of competitive conditions. Thus, this study aimed to conduct soccer-specific cognitive diagnostics under a soccer-specific psychophysiological stress condition, mimicing the demands of a competitive game. A total of 92 (Mage = 15.17, SDage = 1.45) youth elite players performed tests for inhibition (flanker task) or cognitive flexibility (number-letter task) with a soccer-specific motor response (i.e., pass into goals). After a pre-test in a neutral condition, players were randomly assigned to a neutral (moderate soccer-specific exercise) or a stress condition (physical stress and competitive instructions and filming for psychological stress). Objective (i.e., cortisol, heart rate variability) and subjective stress-related measures (i.e., SAM, VAS) were assessed six times throughout experimental procedure. Analyses revealed significant interaction effects between time and condition for all objective and subjective variables indicating a successful experimental stress induction. For cognitive performance, results revealed significant main effects of time, but no significant interaction effects between time and condition. However, descriptive statistics suggested improved performance under stress, with decreased flanker effect and switch costs. Additionally, response time variability in the flanker task significantly decreased in the stress condition. These findings offer insights into individual stress perception and processing under game-related psychophysiological demands, expanding previous research on situational EF alterations that also hold relevance for applied practitioners.
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Affiliation(s)
- S Knöbel
- Leipzig University, Faculty of Sport Science, Chair of Sport Psychology, Jahnallee 59, 04109, Leipzig, Germany; Sport Psychology, Institute of Sport Science, Humboldt-Universität zu Berlin, Philippstraße 13, 10115, Berlin, Germany.
| | - A Borchert
- RasenBallsport Leipzig GmbH, Cottaweg 3, 04177, Leipzig, Germany.
| | - N Gatzmaga
- RasenBallsport Leipzig GmbH, Cottaweg 3, 04177, Leipzig, Germany.
| | - F Heilmann
- Movement Science Lab, Institute of Sport Science, Martin-Luther University Halle-Wittenberg, Von-Seckendorff-Platz 2, 06120, Halle, Saale, Germany.
| | - L Musculus
- German Sport University Cologne, Institute of Psychology, Dept. Performance Psychology, Am Sportpark Müngersdorf 6, 50933, Cologne, Germany.
| | - S Laborde
- German Sport University Cologne, Institute of Psychology, Dept. Performance Psychology, Am Sportpark Müngersdorf 6, 50933, Cologne, Germany.
| | - F Lautenbach
- Sport Psychology, Institute of Sport Science, Humboldt-Universität zu Berlin, Philippstraße 13, 10115, Berlin, Germany.
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Guo F, Zhang B, Shen F, Li Q, Song Y, Li T, Zhang Y, Du W, Li Y, Liu W, Cao H, Zhou X, Zheng Y, Zhu S, Li Y, Liu Z. Sevoflurane acts as an antidepressant by suppression of GluN2D-containing NMDA receptors on interneurons. Br J Pharmacol 2024; 181:3483-3502. [PMID: 38779864 DOI: 10.1111/bph.16420] [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: 04/16/2023] [Revised: 10/18/2023] [Accepted: 11/15/2023] [Indexed: 05/25/2024] Open
Abstract
BACKGROUND AND PURPOSE Sevoflurane, a commonly used inhaled anaesthetic known for its favourable safety profile and rapid onset and offset, has not been thoroughly investigated as a potential treatment for depression. In this study, we reveal the mechanism through which sevoflurane delivers enduring antidepressant effects. EXPERIMENTAL APPROACH To assess the antidepressant effects of sevoflurane, behavioural tests were conducted, along with in vitro and ex vivo whole-cell patch-clamp recordings, to examine the effects on GluN1-GluN2 incorporated N-methyl-d-aspartate (NMDA) receptors (NMDARs) and neuronal circuitry in the medial prefrontal cortex (mPFC). Multiple-channel electrophysiology in freely moving mice was performed to evaluate sevoflurane's effects on neuronal activity, and GluN2D knockout (grin2d-/-) mice were used to confirm the requirement of GluN2D for the antidepressant effects. KEY RESULTS Repeated exposure to subanaesthetic doses of sevoflurane produced sustained antidepressant effects lasting up to 2 weeks. Sevoflurane preferentially inhibited GluN2C- and GluN2D-containing NMDARs, causing a reduction in interneuron activity. In contrast, sevoflurane increased action potentials (AP) firing and decreased spontaneous inhibitory postsynaptic current (sIPSC) in mPFC pyramidal neurons, demonstrating a disinhibitory effect. These effects were absent in grin2d-/- mice, and both pharmacological blockade and genetic knockout of GluN2D abolished sevoflurane's antidepressant actions, suggesting that GluN2D is essential for its antidepressant effect. CONCLUSION AND IMPLICATIONS Sevoflurane directly targets GluN2D, leading to a specific decrease in interneuron activity and subsequent disinhibition of pyramidal neurons, which may underpin its antidepressant effects. Targeting the GluN2D subunit could hold promise as a potential therapeutic strategy for treating depression.
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Affiliation(s)
- Fei Guo
- Shanghai Key Laboratory of Maternal Fetal Medicine, Shanghai Institute of Maternal-Fetal Medicine and Gynecologic Oncology, Department of Anesthesiology, Clinical and Translational Research Center, Shanghai First Maternity and Infant Hospital, Tongji University School of Medicine, Shanghai, China
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, China
| | - Bing Zhang
- Shanghai Key Laboratory of Maternal Fetal Medicine, Shanghai Institute of Maternal-Fetal Medicine and Gynecologic Oncology, Department of Anesthesiology, Clinical and Translational Research Center, Shanghai First Maternity and Infant Hospital, Tongji University School of Medicine, Shanghai, China
| | - Fuyi Shen
- Shanghai Key Laboratory of Maternal Fetal Medicine, Shanghai Institute of Maternal-Fetal Medicine and Gynecologic Oncology, Department of Anesthesiology, Clinical and Translational Research Center, Shanghai First Maternity and Infant Hospital, Tongji University School of Medicine, Shanghai, China
| | - Qian Li
- Shanghai Key Laboratory of Maternal Fetal Medicine, Shanghai Institute of Maternal-Fetal Medicine and Gynecologic Oncology, Department of Anesthesiology, Clinical and Translational Research Center, Shanghai First Maternity and Infant Hospital, Tongji University School of Medicine, Shanghai, China
| | - Yingcai Song
- Shanghai Key Laboratory of Maternal Fetal Medicine, Shanghai Institute of Maternal-Fetal Medicine and Gynecologic Oncology, Department of Anesthesiology, Clinical and Translational Research Center, Shanghai First Maternity and Infant Hospital, Tongji University School of Medicine, Shanghai, China
| | - Tianyu Li
- Shanghai Key Laboratory of Maternal Fetal Medicine, Shanghai Institute of Maternal-Fetal Medicine and Gynecologic Oncology, Department of Anesthesiology, Clinical and Translational Research Center, Shanghai First Maternity and Infant Hospital, Tongji University School of Medicine, Shanghai, China
| | - Yongmei Zhang
- University of Chinese Academy of Sciences, Beijing, China
| | - Weijia Du
- Shanghai Key Laboratory of Maternal Fetal Medicine, Shanghai Institute of Maternal-Fetal Medicine and Gynecologic Oncology, Department of Anesthesiology, Clinical and Translational Research Center, Shanghai First Maternity and Infant Hospital, Tongji University School of Medicine, Shanghai, China
| | - Yuanxi Li
- Institute for Cognitive Neurodynamics, East China University of Science and Technology, Shanghai, China
| | - Wei Liu
- Shanghai Key Laboratory of Maternal Fetal Medicine, Shanghai Institute of Maternal-Fetal Medicine and Gynecologic Oncology, Department of Anesthesiology, Clinical and Translational Research Center, Shanghai First Maternity and Infant Hospital, Tongji University School of Medicine, Shanghai, China
| | - Hang Cao
- Shanghai Key Laboratory of Maternal Fetal Medicine, Shanghai Institute of Maternal-Fetal Medicine and Gynecologic Oncology, Department of Anesthesiology, Clinical and Translational Research Center, Shanghai First Maternity and Infant Hospital, Tongji University School of Medicine, Shanghai, China
| | - Xianjin Zhou
- Shanghai Key Laboratory of Maternal Fetal Medicine, Shanghai Institute of Maternal-Fetal Medicine and Gynecologic Oncology, Department of Anesthesiology, Clinical and Translational Research Center, Shanghai First Maternity and Infant Hospital, Tongji University School of Medicine, Shanghai, China
| | - Yinli Zheng
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, China
- School of Pharmacy, Anhui University of Chinese Medicine, Hefei, China
| | - Shujia Zhu
- Institute of Neuroscience, State Key Laboratory of Neuroscience, CAS Center for Excellence in Brain Science and Intelligence Technology, Chinese Academy of Sciences, Shanghai, China
| | - Yang Li
- Shanghai Key Laboratory of Maternal Fetal Medicine, Shanghai Institute of Maternal-Fetal Medicine and Gynecologic Oncology, Department of Anesthesiology, Clinical and Translational Research Center, Shanghai First Maternity and Infant Hospital, Tongji University School of Medicine, Shanghai, China
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, China
| | - Zhiqiang Liu
- Shanghai Key Laboratory of Maternal Fetal Medicine, Shanghai Institute of Maternal-Fetal Medicine and Gynecologic Oncology, Department of Anesthesiology, Clinical and Translational Research Center, Shanghai First Maternity and Infant Hospital, Tongji University School of Medicine, Shanghai, China
- Anesthesia and Brain Function Research Institute, Tongji University School of Medicine, Shanghai, China
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Debs SR, Rothmond DA, Zhu Y, Weickert CS, Purves-Tyson TD. Molecular evidence of altered stress responsivity related to neuroinflammation in the schizophrenia midbrain. J Psychiatr Res 2024; 177:118-128. [PMID: 39004003 DOI: 10.1016/j.jpsychires.2024.07.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/04/2023] [Revised: 06/12/2024] [Accepted: 07/02/2024] [Indexed: 07/16/2024]
Abstract
Stress and inflammation are risk factors for schizophrenia. Chronic psychosocial stress is associated with subcortical hyperdopaminergia, a core feature of schizophrenia. Hyperdopaminergia arises from midbrain neurons, leading us to hypothesise that changes in stress response pathways may occur in this region. To identify whether transcriptional changes in glucocorticoid and mineralocorticoid receptors (NR3C1/GR, NR3C2/MR) or other stress signalling molecules (FKBP4, FKBP5) exist in schizophrenia midbrain, we measured gene expression in the human brain (N = 56) using qRT-PCR. We assessed whether alterations in these mRNAs were related to previously identified high/low inflammatory status. We investigated relationships between stress-related transcripts themselves, and between FKBP5 mRNA, dopaminergic, and glial cell transcripts in diagnostic and inflammatory subgroups. Though unchanged by diagnosis, GR mRNA levels were reduced in high inflammatory compared to low inflammatory schizophrenia cases (p = 0.026). We found no effect of diagnosis or inflammation on MR mRNA. FKBP4 mRNA was decreased and FKBP5 mRNA was increased in schizophrenia (p < 0.05). FKBP5 changes occurred in high inflammatory (p < 0.001), whereas FKBP4 changes occurred in low inflammatory schizophrenia cases (p < 0.05). The decrease in mRNA encoding the main stress receptor (GR), as well as increased transcript levels of the stress-responsive negative regulator (FKBP5), may combine to blunt the midbrain response to stress in schizophrenia when neuroinflammation is present. Negative correlations between FKBP5 mRNA and dopaminergic transcripts in the low inflammatory subgroup suggest higher levels of FKBP5 mRNA may also attenuate dopaminergic neurotransmission in schizophrenia even when inflammation is absent. We report alterations in GR-mediated stress signalling in the midbrain in schizophrenia.
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Affiliation(s)
- Sophie R Debs
- Preclinical Neuropsychiatry Laboratory, Neuroscience Research Australia, Randwick, New South Wales, 2031, Australia; Discipline of Psychiatry & Mental Health, Faculty of Medicine, University of New South Wales, Sydney, New South Wales, 2052, Australia
| | - Debora A Rothmond
- Schizophrenia Research Laboratory, Neuroscience Research Australia, Randwick, New South Wales, 2031, Australia
| | - Yunting Zhu
- Department of Neuroscience & Physiology, Upstate Medical University, Syracuse, NY, 13210, USA
| | - Cynthia Shannon Weickert
- Schizophrenia Research Laboratory, Neuroscience Research Australia, Randwick, New South Wales, 2031, Australia; Discipline of Psychiatry & Mental Health, Faculty of Medicine, University of New South Wales, Sydney, New South Wales, 2052, Australia; Department of Neuroscience & Physiology, Upstate Medical University, Syracuse, NY, 13210, USA
| | - Tertia D Purves-Tyson
- Preclinical Neuropsychiatry Laboratory, Neuroscience Research Australia, Randwick, New South Wales, 2031, Australia; Discipline of Psychiatry & Mental Health, Faculty of Medicine, University of New South Wales, Sydney, New South Wales, 2052, Australia.
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20
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Hansson C, Hadžibajramović E, Svensson PA, Jonsdottir IH. Increased plasma levels of neuro-related proteins in patients with stress-related exhaustion: A longitudinal study. Psychoneuroendocrinology 2024; 167:107091. [PMID: 38964018 DOI: 10.1016/j.psyneuen.2024.107091] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/22/2023] [Revised: 05/29/2024] [Accepted: 05/30/2024] [Indexed: 07/06/2024]
Abstract
Exhaustion disorder (ED) is a stress-related disorder characterized by physical and mental symptoms of exhaustion. Recent data suggest that pathophysiological processes in the central nervous system are involved in the biological mechanisms underlying ED. The aims of this study were to investigate if plasma levels of neuro-related proteins differ between patients with ED and healthy controls, and, if so, to investigate if these differences persist over time. Using the Olink Neuro Exploratory panel, we quantified the plasma levels of 92 neuro-related proteins in 163 ED patients at the time of diagnosis (baseline), 149 patients at long-term follow-up (7-12 years later, median follow-up time 9 years and 5 months), and 100 healthy controls. We found that the plasma levels of 40 proteins were significantly higher in the ED group at baseline compared with the control group. Out of these, the plasma levels of 36 proteins were significantly lower in the ED group at follow-up compared with the same group at baseline and the plasma levels of four proteins did not significantly differ between the groups. At follow-up, the plasma levels of two proteins were significantly lower in the ED group compared with the control group. These data support the hypothesis that pathophysiological processes in the central nervous system are involved in the biological mechanisms underlying ED.
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Affiliation(s)
- Caroline Hansson
- The Institute of Stress Medicine, Region Västra Götaland, Gothenburg, Sweden; Department of Psychiatry and Neurochemistry, Institute of Neuroscience and Physiology, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden.
| | - Emina Hadžibajramović
- The Institute of Stress Medicine, Region Västra Götaland, Gothenburg, Sweden; School of Public Health and Community Medicine, Institute of Medicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Per-Arne Svensson
- Institute of Health and Care Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Ingibjörg H Jonsdottir
- The Institute of Stress Medicine, Region Västra Götaland, Gothenburg, Sweden; School of Public Health and Community Medicine, Institute of Medicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
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21
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Fabries P, Pontiggia A, Comte U, Beauchamps V, Quiquempoix M, Guillard M, Ayounts H, Van Beers P, Drogou C, Touron J, Erkel MC, Gignoux-Huon F, Nespoulous O, Pinalie T, Charlot K, Malgoyre A, Sauvet F, Koulmann N, Gomez-Merino D, Chennaoui M. Cognitive performance during exposure to moderate normobaric hypoxia after sleep restriction: Relationship to physiological and stress biomarkers. Physiol Behav 2024; 287:114666. [PMID: 39216809 DOI: 10.1016/j.physbeh.2024.114666] [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: 06/17/2024] [Revised: 08/08/2024] [Accepted: 08/09/2024] [Indexed: 09/04/2024]
Abstract
INTRODUCTION Exposure to moderate levels of simulated hypoxia has subtle cognitive effects relative to ground level, in healthy individuals. However, there are few data on the cognitive consequences of the combination of hypoxia and partial sleep deprivation, which is a classic military or civilian operational context. In this study, we tested the hypothesis that exposure to moderate hypoxia while sleep-restricted impairs several domains of cognition, and we also assessed physiological parameters and salivary concentrations of cortisol and alpha-amylase. METHOD Seventeen healthy males completed two sessions of cognitive tests (sustained attention using the PVT psychomotor vigilance task and executive functions using the Go-NoGo inhibition task and N-Back working memory task) after 30 min (T + 30') and 4 h (T + 240') of exposure in a normobaric hypoxic tent (FIO2 = 13.6 %, ≃ 3,500 m) (HY). This was completed after one night of sleep restriction (3 a.m. to 6 a.m. bedtime, SRHY) and one night of habitual sleep (10 p.m. to 6 a.m. bedtime, HSHY) (with cross-over randomization). The two nights sleep architecture and physiological parameters (oxygen saturation (SpO2) and heart rate (HR) during T + 30' and T + 240'sessions were analyzed. Salivary cortisol and alpha-amylase (sAA) concentrations were analyzed before hypoxia, after the T + 30' and T + 240' cognitive sessions, and after leaving the hypoxic tent. RESULTS Sustained attention (RT and number of lapses in the PVT) and executive functions (Go-NoGo and 1-Back and 2-Back parameters, as inhibition and working memory signatures) were impaired in the SRHY condition compared to HSHY. SpO2 and HR were higher after 4 h compared with 30 min of hypoxia in the HSHY condition, while only HR was statistically higher in the SRHY condition. In SRHY, salivary AA concentration was lower and cortisol was higher than in HSHY. A significant increase in sAA concentration is observed after the cognitive session at 4 h of hypoxia exposure compared to that at 30 min, only in the SRHY condition. There are significant positive correlations between reaction time and the corresponding heart rate (a non-invasive marker of physiological stress) for the executive tasks in the two sleep conditions. This was not observed for salivary levels of sAA and cortisol, respective reliable indicators of the sympathoadrenomedullary system and the hypothalamic-pituitary adrenocortical system. CONCLUSION Exposure to moderate normobaric hypoxia (≃ 3500 m / ≃ 11,500 ft simulated) after a single night of 3-hour sleep impairs cognitive performance after 30 min and 4 h of exposure. The key determinants and/or mechanism(s) responsible for cognitive impairment when exposed to moderate hypoxia with sleep restriction, particularly on the executive function, have yet to be elucidated.
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Affiliation(s)
- Pierre Fabries
- Institut de Recherche Biomédicale des Armées (IRBA), 1 place Général Valérie André, 91223 Brétigny Cedex, France; École du Val-de-Grâce (EVDG), Place Alphonse Laveran, Paris, France; LBEPS, Université Paris-Saclay, 91025 Evry, France.
| | - Anaïs Pontiggia
- Institut de Recherche Biomédicale des Armées (IRBA), 1 place Général Valérie André, 91223 Brétigny Cedex, France; URP 7330 VIFASOM, Université Paris Cité, Hôpital Hôtel-Dieu, 75004 Paris, France
| | - Ulysse Comte
- École du Val-de-Grâce (EVDG), Place Alphonse Laveran, Paris, France; Hôpital d'Instruction des Armées Percy, 2 Rue Lieutenant Raoul Batany, 92140 Clamart, France
| | - Vincent Beauchamps
- Institut de Recherche Biomédicale des Armées (IRBA), 1 place Général Valérie André, 91223 Brétigny Cedex, France; École du Val-de-Grâce (EVDG), Place Alphonse Laveran, Paris, France; URP 7330 VIFASOM, Université Paris Cité, Hôpital Hôtel-Dieu, 75004 Paris, France
| | - Michael Quiquempoix
- Institut de Recherche Biomédicale des Armées (IRBA), 1 place Général Valérie André, 91223 Brétigny Cedex, France; URP 7330 VIFASOM, Université Paris Cité, Hôpital Hôtel-Dieu, 75004 Paris, France
| | - Mathias Guillard
- Institut de Recherche Biomédicale des Armées (IRBA), 1 place Général Valérie André, 91223 Brétigny Cedex, France; URP 7330 VIFASOM, Université Paris Cité, Hôpital Hôtel-Dieu, 75004 Paris, France
| | - Haïk Ayounts
- Institut de Recherche Biomédicale des Armées (IRBA), 1 place Général Valérie André, 91223 Brétigny Cedex, France; URP 7330 VIFASOM, Université Paris Cité, Hôpital Hôtel-Dieu, 75004 Paris, France
| | - Pascal Van Beers
- Institut de Recherche Biomédicale des Armées (IRBA), 1 place Général Valérie André, 91223 Brétigny Cedex, France; URP 7330 VIFASOM, Université Paris Cité, Hôpital Hôtel-Dieu, 75004 Paris, France
| | - Catherine Drogou
- Institut de Recherche Biomédicale des Armées (IRBA), 1 place Général Valérie André, 91223 Brétigny Cedex, France; URP 7330 VIFASOM, Université Paris Cité, Hôpital Hôtel-Dieu, 75004 Paris, France
| | - Julianne Touron
- Institut de Recherche Biomédicale des Armées (IRBA), 1 place Général Valérie André, 91223 Brétigny Cedex, France; URP 7330 VIFASOM, Université Paris Cité, Hôpital Hôtel-Dieu, 75004 Paris, France
| | - Marie-Claire Erkel
- Institut de Recherche Biomédicale des Armées (IRBA), 1 place Général Valérie André, 91223 Brétigny Cedex, France; URP 7330 VIFASOM, Université Paris Cité, Hôpital Hôtel-Dieu, 75004 Paris, France
| | - Françoise Gignoux-Huon
- Institut de Recherche Biomédicale des Armées (IRBA), 1 place Général Valérie André, 91223 Brétigny Cedex, France
| | - Olivier Nespoulous
- Institut de Recherche Biomédicale des Armées (IRBA), 1 place Général Valérie André, 91223 Brétigny Cedex, France
| | - Théo Pinalie
- LBEPS, Université Paris-Saclay, 91025 Evry, France
| | - Keyne Charlot
- Institut de Recherche Biomédicale des Armées (IRBA), 1 place Général Valérie André, 91223 Brétigny Cedex, France; LBEPS, Université Paris-Saclay, 91025 Evry, France
| | - Alexandra Malgoyre
- Institut de Recherche Biomédicale des Armées (IRBA), 1 place Général Valérie André, 91223 Brétigny Cedex, France; École du Val-de-Grâce (EVDG), Place Alphonse Laveran, Paris, France; LBEPS, Université Paris-Saclay, 91025 Evry, France
| | - Fabien Sauvet
- Institut de Recherche Biomédicale des Armées (IRBA), 1 place Général Valérie André, 91223 Brétigny Cedex, France; École du Val-de-Grâce (EVDG), Place Alphonse Laveran, Paris, France; URP 7330 VIFASOM, Université Paris Cité, Hôpital Hôtel-Dieu, 75004 Paris, France
| | | | - Danielle Gomez-Merino
- Institut de Recherche Biomédicale des Armées (IRBA), 1 place Général Valérie André, 91223 Brétigny Cedex, France; URP 7330 VIFASOM, Université Paris Cité, Hôpital Hôtel-Dieu, 75004 Paris, France
| | - Mounir Chennaoui
- Institut de Recherche Biomédicale des Armées (IRBA), 1 place Général Valérie André, 91223 Brétigny Cedex, France; URP 7330 VIFASOM, Université Paris Cité, Hôpital Hôtel-Dieu, 75004 Paris, France
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Carboni E, Ibba M, Carboni E, Carta AR. Adolescent stress differentially modifies dopamine and norepinephrine release in the medial prefrontal cortex of adult rats. Prog Neuropsychopharmacol Biol Psychiatry 2024; 134:111055. [PMID: 38879069 DOI: 10.1016/j.pnpbp.2024.111055] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/23/2023] [Revised: 04/10/2024] [Accepted: 06/11/2024] [Indexed: 06/22/2024]
Abstract
Adolescent stress (AS) has been associated with higher vulnerability to psychiatric disorders such as schizophrenia, depression, or drug dependence. Moreover, the alteration of brain catecholamine (CAT) transmission in the medial prefrontal cortex (mPFC) has been found to play a major role in the etiology of psychiatric disturbances. We investigated the effect of adolescent stress on CAT transmission in the mPFC of freely moving adult rats because of the importance of this area in the etiology of psychiatric disorders, and because CAT transmission is the target of a relevant group of drugs used in the therapy of depression and psychosis. We assessed basal dopamine (DA) and norepinephrine (NE) extracellular concentrations (output) by brain microdialysis in in the mPFC of adult rats that were exposed to chronic mild stress in adolescence. To ascertain the role of an altered release or reuptake, we stimulated DA and NE output by administering either different doses of amphetamine (0.5 and 1.0 mg / kg s.c.), which by a complex mechanism determines a dose dependent increase in the CAT output, or reboxetine (10 mg/kg i.p.), a selective NE reuptake inhibitor. The results showed the following: (i) basal DA output in AS rats was lower than in controls, while no difference in basal NE output was observed; (ii) amphetamine, dose dependently, stimulated DA and NE output to a greater extent in AS rats than in controls; (iii) reboxetine stimulated NE output to a greater extent in AS rats than in controls, while no difference in stimulated DA output was observed between the two groups. These results show that AS determines enduring effects on DA and NE transmission in the mPFC and might lead to the occurrence of psychiatric disorders or increase the vulnerability to drug addiction.
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Affiliation(s)
- Ezio Carboni
- Department of Biomedical Sciences, University of Cagliari, Italy.
| | - Marcello Ibba
- Department of Biomedical Sciences, University of Cagliari, Italy
| | - Elena Carboni
- Unit of Paediatrics, ASST Cremona Maggiore Hospital, Cremona, Italy
| | - Anna R Carta
- Department of Biomedical Sciences, University of Cagliari, Italy
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23
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Sun C, Li H, Wang X, Shao Y, Huang X, Qi H, Zhang Z, Su G. Self-control as mediator and social support as moderator in stress-relapse dynamics of substance dependency. Sci Rep 2024; 14:19852. [PMID: 39191931 PMCID: PMC11349877 DOI: 10.1038/s41598-024-70884-8] [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: 03/13/2024] [Accepted: 08/22/2024] [Indexed: 08/29/2024] Open
Abstract
Substance Use Disorders (SUDs) present a significant challenge to global public health, with prolonged drug use not only impairing individual health but also hindering social development. Despite various interventions aimed at addressing drug abuse and dependence, a high relapse rate remains a prominent issue. In light of this, this study aims to explore the impact of perceived stress on the relapse of individuals with SUDs, as well as the mediating role of self-control and the moderating role of social support, in hopes of providing new perspectives for interventions to reduce the risk of relapse among individuals with SUDs. By utilizing a convenience sampling method, 420 male individuals with SUDs were recruited from detoxification centers in Guangxi, China. They completed questionnaires on perceived stress, self-control, social support, and tendencies towards relapse. A total of 401 valid datasets were obtained and analyzed using the SPSS Process plugin to conduct a moderated mediation model analysis. Results: (1) Perceived stress had a positive impact on the relapse of individuals with SUDs, (2) Self-control played a partial mediating role between perceived stress and the relapse, (3) The direct effect of perceived stress on the relapse and its first half of the indirect effect were moderated by social support. The research emphasize the critical importance of learning stress management strategies, enhancing self-control, and receiving comprehensive social support in the prevention and treatment of substance dependence. By strengthening self-control and social support as both internal and external resources, the likelihood of relapse among individuals with SUDs can be reduced, contributing to more effective and comprehensive drug rehabilitation strategies.
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Affiliation(s)
- Chao Sun
- School of Psychology, Beijing Sport University, Beijing, 100084, China
| | - Haojie Li
- School of Exercise and Health, Shanghai University of Sport, Shanghai, 200438, China
| | - Xiaojun Wang
- China Wushu School, Beijing Sport University, Beijing, 100084, China.
| | - Yongcong Shao
- School of Psychology, Beijing Sport University, Beijing, 100084, China.
| | - Xuetong Huang
- China Wushu School, Beijing Sport University, Beijing, 100084, China
| | - Huanhuan Qi
- China Wushu School, Beijing Sport University, Beijing, 100084, China
| | - Zhuolin Zhang
- China Wushu School, Beijing Sport University, Beijing, 100084, China
| | - Guobai Su
- Department of Physical Education, Tianjin Medical University, Tianjin, 300070, China.
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24
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Singh P, Agrawal P, Singh KP. Prenatal exposure to vortioxetine and vilazodone: Impact on depressive- and anxiety-like behavioral manifestations in young rat offspring. Behav Brain Res 2024; 471:115128. [PMID: 38945303 DOI: 10.1016/j.bbr.2024.115128] [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: 04/10/2024] [Revised: 06/14/2024] [Accepted: 06/24/2024] [Indexed: 07/02/2024]
Abstract
Major depressive disorder (MDD) affects millions of people worldwide, with women at a higher risk during the childbearing age. Vortioxetine (VOX) and Vilazodone (VLZ) are newer antidepressants with improved therapeutic profile commonly used, but their safety during pregnancy and long-term effects on offspring are poorly understood due to paucity of literature in preclinical and clinical studies. This study aimed to investigate whether prenatal exposure to VOX and VLZ impacts depressive- and anxiety-like neurobehavioral alterations in offspring, focusing on neurotransmitter-mediated mechanisms. Pregnant Wistar dams received either VOX or VLZ, 1 mg/day and 2 mg/day of the drug orally from gestation day (GD) 6-21. The dams naturally delivered their offspring and reared until they reached postnatal day (PND) 21. Offspring of both sexes were tested for display of depressive-and anxiety-like behaviors from PND 56-70. After PND 70, offspring were sacrificed, and their brains were collected to estimate neurotransmitter levels. As per protocol, controls were maintained simultaneously for each experimental design. Prenatal exposure to VOX or VLZ induced an increased state of depressive- and anxiety-like behaviors in both male and female offspring. Additionally, neurotransmitter (serotonin, dopamine, and nor-epinephrine) levels in the prefrontal cortex region of the brain were substantially reduced in exposed offspring. No sex specific neurobehavioral and neurochemical implications were observed in the present study. Our findings suggest that prenatal exposure to VOX and VLZ disrupts neurochemical balance in the fetal brain, leading to long-lasting neurobehavioral impairments in offspring of both sexes.
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Affiliation(s)
- Pallavi Singh
- Neurobiology Lab., Department of Zoology, University of Allahabad, Prayagraj 211002, India.
| | - Priyanka Agrawal
- Neurobiology Lab., Department of Zoology, University of Allahabad, Prayagraj 211002, India.
| | - K P Singh
- Neurobiology Lab., Department of Zoology, University of Allahabad, Prayagraj 211002, India.
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25
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Wang M, Wang L, Yang M, Zhang X, Fan X. Associations of dietary patterns and perceived stress with memory deficits in patients with heart failure. J Health Psychol 2024; 29:963-975. [PMID: 38230537 DOI: 10.1177/13591053231221064] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2024] Open
Abstract
This study aimed to examine the relationships between dietary patterns and perceived stress with memory deficits in 291 patients with heart failure aged 45-85 years. A total of 142 (48.8%) patients reported memory deficit. Three dietary patterns were identified by K-means clustering: nut-fruit-dairy, meat-processed, and traditional (high intake of cereals) diets. Compared to the traditional diet, the nut-fruit-dairy diet and meat-processed diet were associated with lower levels of deficits in short-term memory, delayed memory, and overall memory. What's more, perceived stress was positively associated with deficits in short-term memory and overall memory, but the association was only found in patients adhering to the traditional diet using stratified analyses. Our findings suggest that adhering to a healthy diet may be conducive to improving deficits in short-term memory, delayed memory, and overall memory, while also buffering the adverse association between perceived stress and deficits in short-term memory and overall memory.
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Affiliation(s)
| | - Lyu Wang
- The Chinese University of Hong Kong, P.R. China
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26
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Rodrigues D, Santa C, Manadas B, Monteiro P. Chronic Stress Alters Synaptic Inhibition/Excitation Balance of Pyramidal Neurons But Not PV Interneurons in the Infralimbic and Prelimbic Cortices of C57BL/6J Mice. eNeuro 2024; 11:ENEURO.0053-24.2024. [PMID: 39147579 DOI: 10.1523/eneuro.0053-24.2024] [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: 02/05/2024] [Revised: 07/17/2024] [Accepted: 07/23/2024] [Indexed: 08/17/2024] Open
Abstract
The medial prefrontal cortex (mPFC) plays a pivotal role in regulating working memory, executive function, and self-regulatory behaviors. Dysfunction in the mPFC circuits is a characteristic feature of several neuropsychiatric disorders including schizophrenia, depression, and post-traumatic stress disorder. Chronic stress (CS) is widely recognized as a major triggering factor for the onset of these disorders. Although evidence suggests synaptic dysfunction in mPFC circuits following CS exposure, it remains unclear how different neuronal populations in the infralimbic (IL) and prelimbic (PL) cortices are affected in terms of synaptic inhibition/excitation balance (I/E ratio). Here, using neuroproteomic analysis and whole-cell patch-clamp recordings in pyramidal neurons (PNs) and parvalbumin (PV) interneurons within the PL and IL cortices, we examined the synaptic changes after 21 d of chronic unpredictable stress, in male mice. Our results reveal distinct impacts of CS on PL and IL PNs, resulting in an increased I/E ratio in both subregions but through different mechanisms: CS increases inhibitory synaptic drive in the PL while decreasing excitatory synaptic drive in the IL. Notably, the I/E ratio and excitatory and inhibitory synaptic drive of PV interneurons remained unaffected in both PL and IL circuits following CS exposure. These findings offer novel mechanistic insights into the influence of CS on mPFC circuits and support the hypothesis of stress-induced mPFC hypofunction.
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Affiliation(s)
- Diana Rodrigues
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Braga 4710-057, Portugal
- ICVS/3B's-PT Government Associate Laboratory, Braga/Guimaraes, Braga 4710-057, Portugal
- Biomedizinisches Centrum München (BMC), Ludwig-Maximilians-Universität München, Munich 82152, Bayern, Germany
| | - Cátia Santa
- CNC-Center for Neuroscience and Cell Biology, University of Coimbra, Coimbra 3004-517, Portugal
| | - Bruno Manadas
- CNC-Center for Neuroscience and Cell Biology, University of Coimbra, Coimbra 3004-517, Portugal
- Centre for Innovative Biomedicine and Biotechnology (CIBB), University of Coimbra, Coimbra 3004-517, Portugal
| | - Patrícia Monteiro
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Braga 4710-057, Portugal
- ICVS/3B's-PT Government Associate Laboratory, Braga/Guimaraes, Braga 4710-057, Portugal
- Department of Biomedicine - Experimental Biology Unit, Faculty of Medicine, University of Porto, Porto 4200-319, Portugal
- RISE-Health, Health Research Network, Porto 4200-319, Portugal
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27
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Avasthi D. Patricia Goldman-Rakic: A Pioneer in Cognitive Neuroscience. Cureus 2024; 16:e67915. [PMID: 39328675 PMCID: PMC11426953 DOI: 10.7759/cureus.67915] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/26/2024] [Indexed: 09/28/2024] Open
Abstract
Patricia Goldman-Rakic (1937-2003) was a trailblazing neuroscientist whose groundbreaking work greatly advanced our understanding of the prefrontal cortex and its crucial role in higher cognitive functions like working memory and executive function. Her innovative research, which integrated anatomical, electrophysiological, and behavioral methods, provided foundational insights into the neural basis of cognition. This review underscores her significant contributions, personal challenges, and the enduring influence of her work in the field of neuroscience.
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Affiliation(s)
- Deepti Avasthi
- Internal Medicine, St. Vincent Mercy Medical Center, Toledo, USA
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28
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Larra MF, Gajewski PD, Getzmann S, Wascher E, Metzler Y. Stress from early life to adulthood: Is there a protective role of cognitive control? Brain Cogn 2024; 178:106165. [PMID: 38759431 DOI: 10.1016/j.bandc.2024.106165] [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: 01/15/2024] [Revised: 03/31/2024] [Accepted: 04/26/2024] [Indexed: 05/19/2024]
Abstract
Early life events can have long-lasting effects that may impact the quality of life into adulthood. The link between childhood adversities and adult mental and physical health is well documented, however, the underlying mechanisms remain poorly understood. Executive functions are assumed to be a key factor in successfully dealing with cognitive-emotional challenges thereby contributing to stress resilience and mental health across the lifespan. Here, we examined whether cognitive control moderates the link between early life adversity and depression. Data was available from a sample of 424 participants aged 20-70 years (Clinicaltrials.gov: NCT05155397). They performed in the Stroop task and behavior as well as frontal theta power were recorded. Negative childhood experiences were assessed with the Childhood Trauma Questionnaire (CTQ), chronic stress was measured with the Trier Inventory for Chronic Stress (TICS) and depression symptoms with Beck's Depression Inventory (BDI). The CTQ predicted symptoms of chronic stress and depression. Regression models pointed to the TICS as a crucial mediator in the relationship between CTQ and BDI. However, parameters of cognitive control demonstrated a rather weak effect as moderators. These results indicate that chronic stress is an important mediator linking childhood trauma to depression but suggest only a limited role for cognitive control.
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Affiliation(s)
- Mauro F Larra
- IfADo - Leibniz Research Centre for Working Environment and Human Factors, Department of Ergonomics, Dortmund, Germany.
| | - Patrick D Gajewski
- IfADo - Leibniz Research Centre for Working Environment and Human Factors, Department of Ergonomics, Dortmund, Germany
| | - Stephan Getzmann
- IfADo - Leibniz Research Centre for Working Environment and Human Factors, Department of Ergonomics, Dortmund, Germany
| | - Edmund Wascher
- IfADo - Leibniz Research Centre for Working Environment and Human Factors, Department of Ergonomics, Dortmund, Germany; German Center for Mental Health (DZPG), partner site Bochum/Marburg, Germany
| | - Yannick Metzler
- IfADo - Leibniz Research Centre for Working Environment and Human Factors, Department of Ergonomics, Dortmund, Germany
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29
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von Haugwitz L, Wascher E, Larra MF. Triggered by your heart: Effects of cardioafferent traffic and stress on automatic responses in a Simon task. Psychophysiology 2024; 61:e14572. [PMID: 38520130 DOI: 10.1111/psyp.14572] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2023] [Revised: 02/12/2024] [Accepted: 03/10/2024] [Indexed: 03/25/2024]
Abstract
Variations in cardioafferent traffic are relayed to the brain via arterial baroreceptors and have been shown to modulate perceptual processing. However, less is known about the cognitive-behavioral consequences of these effects and their role during stress. Here, we investigated in how far automatic responses during the Simon task were modulated by exposure to a laboratory stressor and the different phases of the cardiac cycle. In this study, 30 participants performed three blocks of a combined horizontal and vertical Simon task, which is characterized by either sensorimotor or cognitive response conflicts, respectively. Before each block, subjects were exposed to both the cold pressor test (CPT) and a control condition according to a within-subjects design. Target stimuli were presented during either systole or diastole. Behavioral and EEG-correlates of task processing were assessed along with subjective, cardiovascular, and endocrine measures of stress. The stress induction was successful yielding significant increases in all these measures compared to control. Moreover, we found the expected Simon effects: in incompatible compared to compatible trials performance was decreased and LRP latency as well as anterior N2 area increased. Importantly, accuracy was improved in compatible but reduced in incompatible trials during systole vs. diastole but only in the horizontal Simon condition. Stress dampened N2 area, however, no interactions with cardiac cycle were evident. These results indicate a faciliatory effect of cardioafferent traffic on automated sensorimotor processes.
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Affiliation(s)
- Leon von Haugwitz
- Department of Ergonomics, IfADo - Leibniz Research Centre for Working Environment and Human Factors, Dortmund, Germany
| | - Edmund Wascher
- Department of Ergonomics, IfADo - Leibniz Research Centre for Working Environment and Human Factors, Dortmund, Germany
| | - Mauro F Larra
- Department of Ergonomics, IfADo - Leibniz Research Centre for Working Environment and Human Factors, Dortmund, Germany
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30
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Prvulovic M, Sokanovic S, Simeunovic V, Vukojevic A, Jovic M, Todorovic S, Mladenovic A. The complex relationship between late-onset caloric restriction and synaptic plasticity in aged Wistar rats. IUBMB Life 2024; 76:548-562. [PMID: 38390757 DOI: 10.1002/iub.2812] [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: 11/06/2023] [Accepted: 01/15/2024] [Indexed: 02/24/2024]
Abstract
Age-related reduction in spine density, synaptic marker expression, and synaptic efficiency are frequently reported. These changes provide the cellular and molecular basis for the cognitive decline characteristic for old age. Nevertheless, there are several approaches that have the potential to ameliorate these processes and improve cognition, caloric restriction being one of the most promising and widely studied. While lifelong caloric restriction is known for its numerous beneficial effects, including improved cognitive abilities and increased expression of proteins essential for synaptic structure and function, the effects of late-onset and/or short-term CR on synaptic plasticity have yet to be investigated. We have previously documented that the effects of CR are strongly dependent on whether CR is initiated in young or old subjects. With this in mind, we conducted a long-term study in aging Wistar rats to examine changes in the expression of several key synaptic markers under the regimen of CR started at different time points in life. We found a significant increase in the expression of both presynaptic and postsynaptic markers. However, taking into account previously reported changes in the behavior detected in these animals, we consider that this increase cannot represent beneficial effect of CR.
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Affiliation(s)
- Milica Prvulovic
- Department for Neurobiology, Institute for Biological Research "Sinisa Stankovic", National Institute of Republic of Serbia, University of Belgrade, Belgrade, Serbia
| | - Srdjan Sokanovic
- Department for Neurobiology, Institute for Biological Research "Sinisa Stankovic", National Institute of Republic of Serbia, University of Belgrade, Belgrade, Serbia
| | - Valentina Simeunovic
- Department for Neurobiology, Institute for Biological Research "Sinisa Stankovic", National Institute of Republic of Serbia, University of Belgrade, Belgrade, Serbia
| | - Andjela Vukojevic
- Department for Neurobiology, Institute for Biological Research "Sinisa Stankovic", National Institute of Republic of Serbia, University of Belgrade, Belgrade, Serbia
| | - Milena Jovic
- Department for Neurobiology, Institute for Biological Research "Sinisa Stankovic", National Institute of Republic of Serbia, University of Belgrade, Belgrade, Serbia
| | - Smilja Todorovic
- Department for Neurobiology, Institute for Biological Research "Sinisa Stankovic", National Institute of Republic of Serbia, University of Belgrade, Belgrade, Serbia
| | - Aleksandra Mladenovic
- Department for Neurobiology, Institute for Biological Research "Sinisa Stankovic", National Institute of Republic of Serbia, University of Belgrade, Belgrade, Serbia
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31
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Hunter LD. Second-Line Parades: A Trauma-Informed Response to Grief. OMEGA-JOURNAL OF DEATH AND DYING 2024; 89:856-872. [PMID: 35377257 DOI: 10.1177/00302228221085471] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
New Orleans is no stranger to trauma. The Crescent City has a vast history of environmental calamities and oppression. Yet, New Orleans is renowned for its "joie de vivre"-or "love of life." Specifically, this community is known for its unique practice of second-line parades. Researchers have noted the healing power of second-line processions, but none have analyzed the practice and psychology of this ritual through a trauma-informed lens. The aim of this conceptual paper is to begin the conversation, rather than deliver hard fast conclusions, on the potential therapeutic function of second-line parades in response to grief. Relevant literature is presented to illustrate second-line parades, trauma theory, and to provide evidence that the therapeutic effects of second-lining may, in part, be explained by trauma theory. This paper concludes with remarks on conceptualizing the second-line funeral as a sophisticated trauma-informed approach to grief and a note for future research.
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Affiliation(s)
- Lauren D Hunter
- Tulane Center for Aging, Tulane University, New Orleans, LA, USA
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32
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McNeil BK, Renaud DL, Steele MA, Cangiano LR, Olmeda MF, Villot C, Chevaux E, Yu J, Hernandez LL, Frizzarini WS, DeVries TJ. Effects of weaning and inactivated Lactobacillus helveticus supplementation on dairy calf behavioral and physiological indicators of affective state. J Dairy Sci 2024:S0022-0302(24)01029-4. [PMID: 39067749 DOI: 10.3168/jds.2023-24581] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2023] [Accepted: 07/08/2024] [Indexed: 07/30/2024]
Abstract
The objectives of this study were to determine if weaning would induce behavioral and physiological indicators of a negative affective state, and if supplementation of inactivated Lactobacillus helveticus (ILH) to dairy calves would reduce those indicators of negative affect during weaning. Male Holstein calves (n = 23) were enrolled in the study on d 1 of life. The calves were housed in individual pens in 1 of 4 rooms for the 42 d study. Calves began a stepdown weaning from 9 L/d of milk replacer (MR), at 150 g of MR powder/L, on d 35 and received 6 L/d on d 35 - 36, 3 L/d on d 37 - 38, and 0.4 L/d on d 39 - 42. The MR was divided between 3 meals/d until the last 0.4 L/d phase which was divided between 2 meals/d. Calves had ad libitum water access throughout the study and calf starter from d 28 onwards. Within room, calves were assigned to 1 of 2 treatments: 1) control (CON; n = 11) and 2) 5 g of ILH/d split over and mixed into the 0800 h and 2000 h milk feedings from d 3-42 (ILH; n = 12). Lying behavior was recorded using HOBO data loggers from d 21-41. On d 33, 37 and 41, infrared eye images were taken to determine maximum eye temperature (MET), saliva samples were collected to determine cortisol concentration, and play assessments were conducted to quantify play behavior. On d 34, 38, and 42, blood samples were collected to determine blood serotonin concentration, whereas on d 38 and 39, calves were tested with a cognitive task. A subset of calves (n = 5/treatment) were euthanized to collect gut and brain tissue samples for serotonin concentration on d 43. Weaning resulted in fewer (d 37-41, tendency: d 36), but longer (d 38-41, tendency: d 37), lying bouts and reduced play (d 41), although no changes in lying time, MET, saliva cortisol, nor blood serotonin were detected with initiation of weaning. Supplementation of ILH was associated with lower lying time throughout the study, and reduced play duration and higher salivary cortisol and MET during weaning. No differences in lying bouts, play count, blood and tissue (colon, ileum, prefrontal cortex and brain stem) serotonin concentration, and time to complete the cognitive task were detected between the treatments. Overall, weaning induced behavioral changes indicative of negative affective state, and some behavioral differences were observed with ILH supplementation both before and during weaning, with some physiological changes observed during weaning.
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Affiliation(s)
- B K McNeil
- Department of Animal Biosciences, University of Guelph, Guelph, ON, N1G 2W1, Canada
| | - D L Renaud
- Department of Population Medicine, Ontario Veterinary College, University of Guelph, Guelph, ON, N1G 2W1, Canada
| | - M A Steele
- Department of Animal Biosciences, University of Guelph, Guelph, ON, N1G 2W1, Canada
| | - L R Cangiano
- Department of Animal Biosciences, University of Guelph, Guelph, ON, N1G 2W1, Canada; Department of Animal and Dairy Sciences, University of Wisconsin-Madison, Madison, WI 53706
| | - M F Olmeda
- Department of Animal Biosciences, University of Guelph, Guelph, ON, N1G 2W1, Canada
| | - C Villot
- Lallemand SAS, F-31702 Blagnac, France
| | - E Chevaux
- Lallemand SAS, F-31702 Blagnac, France
| | - J Yu
- Department of Animal Biosciences, University of Guelph, Guelph, ON, N1G 2W1, Canada
| | - L L Hernandez
- Department of Animal and Dairy Sciences, University of Wisconsin-Madison, Madison, WI 53706
| | - W S Frizzarini
- Department of Animal and Dairy Sciences, University of Wisconsin-Madison, Madison, WI 53706
| | - T J DeVries
- Department of Animal Biosciences, University of Guelph, Guelph, ON, N1G 2W1, Canada.
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33
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Li Y, Liu Y, Zhao X, Ren Y, Hu W, Yang Z, Yang J. Static and Temporal Dynamic in Functional Connectivity of Large-scale Brain Networks During Acute Stress Regulate Stress Resilience Differently: The Promotion Role of Trait Resilience. Neuroscience 2024; 551:132-142. [PMID: 38763226 DOI: 10.1016/j.neuroscience.2024.05.021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2023] [Revised: 05/02/2024] [Accepted: 05/15/2024] [Indexed: 05/21/2024]
Abstract
Stress resilience has been largely regarded as a process in which individuals actively cope with and recover from stress. Over the past decade, the emergence of large-scale brain networks has provided a new perspective for the study of the neural mechanisms of stress. However, the role of inter-network functional-connectivity (FC) and its temporal fluctuations in stress resilience is still unclear. To bridge this knowledge gap, seventy-seven participants (age, 17-22 years, 37 women) were recruited for a ScanSTRESS brain imaging study. A static perspective was initially adopted, using changes in FC that obtained from stress vs. control condition during the entire stress induction phase as a static indicator. Further, changes in FC between different stress runs were analyzed as an index of temporal dynamics. Stress resilience was gauged using salivary cortisol levels, while trait resilience was measured via behavioral-activation-system (BAS) sensitivity. Results found that, for the static index, enhanced FC between the salience-network (SN), default-mode-network (DMN) and limbic-network (LBN) during acute stress could negatively signal stress resilience. For the temporal dynamics index, FC among the dorsal-attention-network (DAN), central-executive-network (CEN) and visual-network (VN) decreased significantly during repeated stress induction. Moreover, the decline of FC positively signaled stress resilience, and this relationship only exist in people with high BAS. The current research elucidates the intricate neural underpinnings of stress resilience, offering insights into the adaptive mechanisms underlying effective stress responses.
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Affiliation(s)
- Yizhuo Li
- Faculty of Psychology, Southwest University, Chongqing 400715, China; Key Laboratory of Cognition and Personality, Ministry of Education, Southwest University, Chongqing 400715, China
| | - Yadong Liu
- Faculty of Psychology, Southwest University, Chongqing 400715, China; Key Laboratory of Cognition and Personality, Ministry of Education, Southwest University, Chongqing 400715, China
| | - Xiaolin Zhao
- Faculty of Psychology, Southwest University, Chongqing 400715, China; Key Laboratory of Cognition and Personality, Ministry of Education, Southwest University, Chongqing 400715, China
| | - Yipeng Ren
- Faculty of Psychology, Southwest University, Chongqing 400715, China; Key Laboratory of Cognition and Personality, Ministry of Education, Southwest University, Chongqing 400715, China
| | - Weiyu Hu
- Faculty of Psychology, Southwest University, Chongqing 400715, China; Key Laboratory of Cognition and Personality, Ministry of Education, Southwest University, Chongqing 400715, China
| | - Zijian Yang
- Faculty of Psychology, Southwest University, Chongqing 400715, China; Key Laboratory of Cognition and Personality, Ministry of Education, Southwest University, Chongqing 400715, China
| | - Juan Yang
- Faculty of Psychology, Southwest University, Chongqing 400715, China; Key Laboratory of Cognition and Personality, Ministry of Education, Southwest University, Chongqing 400715, China.
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34
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Pontiggia A, Fabries P, Beauchamps V, Quiquempoix M, Nespoulous O, Jacques C, Guillard M, Van Beers P, Ayounts H, Koulmann N, Gomez-Merino D, Chennaoui M, Sauvet F. Combined Effects of Moderate Hypoxia and Sleep Restriction on Mental Workload. Clocks Sleep 2024; 6:338-358. [PMID: 39189191 PMCID: PMC11348049 DOI: 10.3390/clockssleep6030024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2024] [Revised: 07/09/2024] [Accepted: 07/17/2024] [Indexed: 08/28/2024] Open
Abstract
Aircraft pilots face a high mental workload (MW) under environmental constraints induced by high altitude and sometimes sleep restriction (SR). Our aim was to assess the combined effects of hypoxia and sleep restriction on cognitive and physiological responses to different MW levels using the Multi-Attribute Test Battery (MATB)-II with an additional auditory Oddball-like task. Seventeen healthy subjects were subjected in random order to three 12-min periods of increased MW level (low, medium, and high): sleep restriction (SR, <3 h of total sleep time (TST)) vs. habitual sleep (HS, >6 h TST), hypoxia (HY, 2 h, FIO2 = 13.6%, ~3500 m vs. normoxia, NO, FIO2 = 21%). Following each MW level, participants completed the NASA-TLX subjective MW scale. Increasing MW decreases performance on the MATB-II Tracking task (p = 0.001, MW difficulty main effect) and increases NASA-TLX (p = 0.001). In the combined HY/SR condition, MATB-II performance was lower, and the NASA-TLX score was higher compared with the NO/HS condition, while no effect of hypoxia alone was observed. In the accuracy of the auditory task, there is a significant interaction between hypoxia and MW difficulty (F(2-176) = 3.14, p = 0.04), with lower values at high MW under hypoxic conditions. Breathing rate, pupil size, and amplitude of pupil dilation response (PDR) to auditory stimuli are associated with increased MW. These parameters are the best predictors of increased MW, independently of physiological constraints. Adding ECG, SpO2, or electrodermal conductance does not improve model performance. In conclusion, hypoxia and sleep restriction have an additive effect on MW. Physiological and electrophysiological responses must be taken into account when designing a MW predictive model and cross-validation.
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Affiliation(s)
- Anaïs Pontiggia
- Armed Forces Biomedical Research Institute (IRBA), 91220 Brétigny-sur-Orge, France; (A.P.); (H.A.)
- URP 7330 VIFASOM, Université Paris Cité, 75004 Paris, France
| | - Pierre Fabries
- Armed Forces Biomedical Research Institute (IRBA), 91220 Brétigny-sur-Orge, France; (A.P.); (H.A.)
- École du Val-de-Grâce (EVDG), 75005 Paris, France
| | - Vincent Beauchamps
- Armed Forces Biomedical Research Institute (IRBA), 91220 Brétigny-sur-Orge, France; (A.P.); (H.A.)
- URP 7330 VIFASOM, Université Paris Cité, 75004 Paris, France
- École du Val-de-Grâce (EVDG), 75005 Paris, France
| | - Michael Quiquempoix
- Armed Forces Biomedical Research Institute (IRBA), 91220 Brétigny-sur-Orge, France; (A.P.); (H.A.)
- URP 7330 VIFASOM, Université Paris Cité, 75004 Paris, France
| | - Olivier Nespoulous
- Armed Forces Biomedical Research Institute (IRBA), 91220 Brétigny-sur-Orge, France; (A.P.); (H.A.)
| | - Clémentine Jacques
- URP 7330 VIFASOM, Université Paris Cité, 75004 Paris, France
- Laboratoire Theresis, THALES SIX GTS, 91190 Palaiseau, France
| | - Mathias Guillard
- Armed Forces Biomedical Research Institute (IRBA), 91220 Brétigny-sur-Orge, France; (A.P.); (H.A.)
- URP 7330 VIFASOM, Université Paris Cité, 75004 Paris, France
| | - Pascal Van Beers
- Armed Forces Biomedical Research Institute (IRBA), 91220 Brétigny-sur-Orge, France; (A.P.); (H.A.)
- URP 7330 VIFASOM, Université Paris Cité, 75004 Paris, France
| | - Haïk Ayounts
- Armed Forces Biomedical Research Institute (IRBA), 91220 Brétigny-sur-Orge, France; (A.P.); (H.A.)
- URP 7330 VIFASOM, Université Paris Cité, 75004 Paris, France
| | | | - Danielle Gomez-Merino
- Armed Forces Biomedical Research Institute (IRBA), 91220 Brétigny-sur-Orge, France; (A.P.); (H.A.)
- URP 7330 VIFASOM, Université Paris Cité, 75004 Paris, France
| | - Mounir Chennaoui
- Armed Forces Biomedical Research Institute (IRBA), 91220 Brétigny-sur-Orge, France; (A.P.); (H.A.)
- URP 7330 VIFASOM, Université Paris Cité, 75004 Paris, France
| | - Fabien Sauvet
- Armed Forces Biomedical Research Institute (IRBA), 91220 Brétigny-sur-Orge, France; (A.P.); (H.A.)
- URP 7330 VIFASOM, Université Paris Cité, 75004 Paris, France
- École du Val-de-Grâce (EVDG), 75005 Paris, France
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Beurel E, Nemeroff CB. Early Life Adversity, Microbiome, and Inflammatory Responses. Biomolecules 2024; 14:802. [PMID: 39062516 PMCID: PMC11275239 DOI: 10.3390/biom14070802] [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: 04/29/2024] [Revised: 06/28/2024] [Accepted: 07/01/2024] [Indexed: 07/28/2024] Open
Abstract
Early life adversity has a profound impact on physical and mental health. Because the central nervous and immune systems are not fully mature at birth and continue to mature during the postnatal period, a bidirectional interaction between the central nervous system and the immune system has been hypothesized, with traumatic stressors during childhood being pivotal in priming individuals for later adult psychopathology. Similarly, the microbiome, which regulates both neurodevelopment and immune function, also matures during childhood, rendering this interaction between the brain and the immune system even more complex. In this review, we provide evidence for the role of the immune response and the microbiome in the deleterious effects of early life adversity, both in humans and rodent models.
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Affiliation(s)
- Eléonore Beurel
- Department of Psychiatry and Behavioral Sciences, Miller School of Medicine, University of Miami, Miami, FL 33136, USA;
- Department of Biochemistry and Molecular Biology, Miller School of Medicine, University of Miami, Miami, FL 33136, USA
| | - Charles B. Nemeroff
- Department of Psychiatry and Behavioral Sciences, Mulva Clinic for Neurosciences, University of Texas (UT) Dell Medical School, Austin, TX 78712, USA
- Mulva Clinic for Neurosciences, UT Austin Dell Medical School, Austin, TX 78712, USA
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Parsaei M, Hashemi SM, Moghaddam HS, Peterson BS. A systematic review of MRI studies on the effects of maternal obesity on offspring brain structure and function. J Neurosci Res 2024; 102:e25368. [PMID: 39007363 DOI: 10.1002/jnr.25368] [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: 11/27/2023] [Revised: 06/27/2024] [Accepted: 06/30/2024] [Indexed: 07/16/2024]
Abstract
Maternal obesity before or during pregnancy has been associated previously in offspring with a wide range of poor neurodevelopmental outcomes and mental health problems. The effects of maternal obesity on offspring brain structure and function that may be responsible for these poor outcomes are not well understood. We, therefore, undertook a systematic review of magnetic resonance imaging (MRI) studies that have assessed the associations of maternal obesity with brain measures in offspring. A systematic search was conducted in PubMed, Web of Science, Scopus, and PsycINFO on August 20, 2023. Of 15 eligible studies, seven employed functional MRI (fMRI), five diffusion tensor imaging (DTI), and four anatomical MRI (one used both DTI and anatomical MRI) in the offspring. The ages of offspring varied widely: one was a study of fetuses in utero, five of neonates, one of infants, five of school-aged children, two of both neonates and infants, and one of both children and adults. Collectively, 12 studies reported significant associations of maternal obesity with structural or functional alterations of the offspring's brain, most frequently in the prefrontal cortex and limbic system. In conclusion, maternal obesity appears to have a profound influence on offspring brain development, particularly within the prefrontal and limbic networks that regulate emotion and behavior. Further studies are needed to identify how changes in brain structure and function mediate the effects of maternal obesity on long-term emotional and behavioral outcomes, as well as the molecular pathways through which maternal obesity alters offspring brain development.
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Affiliation(s)
- Mohammadamin Parsaei
- Maternal, Fetal & Neonatal Research Center, Family Health Research Institute, Tehran University of Medical Sciences, Tehran, Iran
| | | | - Hossein Sanjari Moghaddam
- Psychiatry and Psychology Research Center, Roozbeh Hospital, Tehran University of Medical Sciences, Tehran, Iran
| | - Bradley S Peterson
- Institute for the Developing Mind, Children's Hospital, Los Angeles, California, USA
- Department of Psychiatry, Keck School of Medicine, University of Southern California, Los Angeles, California, USA
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Sarmiento LF, Lopes da Cunha P, Tabares S, Tafet G, Gouveia Jr A. Decision-making under stress: A psychological and neurobiological integrative model. Brain Behav Immun Health 2024; 38:100766. [PMID: 38694793 PMCID: PMC11061251 DOI: 10.1016/j.bbih.2024.100766] [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: 08/01/2023] [Revised: 03/14/2024] [Accepted: 03/28/2024] [Indexed: 05/04/2024] Open
Abstract
Understanding the impact of stress on cognitive processes, particularly decision-making, is crucial as it underpins behaviors essential for survival. However, research in this domain has yielded disparate results, with inconsistencies evident across stress-induction paradigms and drug administration protocols designed to investigate specific stress pathways or neuromodulators. Building upon empirical studies, this research identifies a multifaceted matrix of variables contributing to the divergent findings. This matrix encompasses factors such as the temporal proximity between stressors and decision tasks, the nature of stressors and decision contexts, individual characteristics including psychobiological profiles and affective states at the time of decision-making and even cultural influences. In response to these complexities, we propose a comprehensive model that integrates these relevant factors and their intricate interplay to elucidate the mechanisms governing decision-making during stressful events. By synthesizing these insights, our model not only refines existing paradigms but also provides a framework for future study designs, offering avenues for theoretical advancements and translational developments in the field of stress's impact on cognitive functions. This research contributes to a deeper understanding of the nuanced relationship between stress and decision-making, ultimately advancing our knowledge of cognitive processes under challenging conditions.
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Affiliation(s)
- Luis Felipe Sarmiento
- BioTechMed Center, Brain & Mind Electrophysiology Laboratory, Multimedia Systems Department, Faculty of Electronics, Telecommunications and Informatics, Gdansk University of Technology, Gdansk, Poland
| | - Pamela Lopes da Cunha
- Cognitive Neuroscience Center, University of San Andres, Buenos Aires, Argentina
- National Council for Scientific and Technical Research (CONICET), Buenos Aires, Argentina
| | - Sonia Tabares
- International Foundation for the Development of Neurosciences, Buenos Aires, Argentina
| | - Gustavo Tafet
- International Foundation for the Development of Neurosciences, Buenos Aires, Argentina
- Texas A&M University, Texas, USA
| | - Amauri Gouveia Jr
- Laboratory of Neuroscience and Behavior, Federal University from Pará, Brazil
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Newman RI, Yim O, Stewart MC. Breathing life into social emotional learning programs: A Bio-Psycho-Social approach to risk reduction and positive youth development. J Adolesc 2024; 96:1065-1077. [PMID: 38605512 DOI: 10.1002/jad.12317] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2023] [Revised: 11/04/2023] [Accepted: 03/05/2024] [Indexed: 04/13/2024]
Abstract
INTRODUCTION Over one-third of US adolescents engage in health risk and problem behaviors. Additionally, significant percentages of problem-free youth aren't flourishing. Left unaddressed, the lifetime mental/physical health and financial burdens may be substantial. Social-Emotional Learning (SEL) and Positive Youth Development (PYD) programs have proliferated to address the drivers of adaptive versus risk behaviors. Research suggests SEL/PYD program outcomes can be improved by adding techniques that physiologically induce calmness, yet few studies exist. METHODS This randomized controlled trial of 79 urban eighth-graders examined a standardized bio-psycho-social program, SKY Schools, which incorporates a physiologically calming component: controlled yogic breathing. RESULTS Repeated-measures ANOVAs demonstrated that compared to controls, SKY graduates exhibited significant improvements in emotion regulation, planning and concentration, and distractibility. After 3 months, significant improvements were evidenced in emotion regulation, planning and concentration, identity formation, and aggressive normative beliefs. CONCLUSION SEL/PYD programs may benefit by incorporating biologically-calming techniques to enhance well-being and prevent risk/problem behaviors.
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Affiliation(s)
- Ronnie I Newman
- International Association for Human Values, Wasington, D.C., USA
- Lifelong Learning Institute, Nova Southeasern University, Fort Lauderdale, Florida, United States
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Jung M, Han KM. Behavioral Activation and Brain Network Changes in Depression. J Clin Neurol 2024; 20:362-377. [PMID: 38951971 PMCID: PMC11220350 DOI: 10.3988/jcn.2024.0148] [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: 03/27/2024] [Revised: 04/19/2024] [Accepted: 04/22/2024] [Indexed: 07/03/2024] Open
Abstract
Behavioral activation (BA) is a well-established method of evidence-based treatment for depression. There are clear links between the neural mechanisms underlying reward processing and BA treatment for depressive symptoms, including anhedonia; however, integrated interpretations of these two domains are lacking. Here we examine brain imaging studies involving BA treatments to investigate how changes in brain networks, including the reward networks, mediate the therapeutic effects of BA, and whether brain circuits are predictors of BA treatment responses. Increased activation of the prefrontal and subcortical regions associated with reward processing has been reported after BA treatment. Activation of these regions improves anhedonia. Conversely, some studies have found decreased activation of prefrontal regions after BA treatment in response to cognitive control stimuli in sad contexts, which indicates that the therapeutic mechanism of BA may involve disengagement from negative or sad contexts. Furthermore, the decrease in resting-state functional connectivity of the default-mode network after BA treatment appears to facilitate the ability to counteract depressive rumination, thereby promoting enjoyable and valuable activities. Conflicting results suggest that an intact neural response to rewards or defective reward functioning is predictive of the efficacy of BA treatments. Increasing the benefits of BA treatments requires identification of the unique individual characteristics determining which of these conflicting findings are relevant for the personalized treatment of each individual with depression.
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Affiliation(s)
- Minjee Jung
- Department of Biomedical Sciences, Korea University College of Medicine, Seoul, Korea
| | - Kyu-Man Han
- Department of Psychiatry, Korea University Anam Hospital, Korea University College of Medicine, Seoul, Korea.
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Li F, Zheng X, Wang H, Meng L, Chen M, Hui Y, Liu D, Li Y, Xie K, Zhang J, Guo G. Mediodorsal thalamus projection to medial prefrontal cortical mediates social defeat stress-induced depression-like behaviors. Neuropsychopharmacology 2024; 49:1318-1329. [PMID: 38438592 PMCID: PMC11224337 DOI: 10.1038/s41386-024-01829-y] [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: 08/06/2023] [Revised: 02/07/2024] [Accepted: 02/07/2024] [Indexed: 03/06/2024]
Abstract
Clinical studies have shown that the mediodorsal thalamus (MD) may play an important role in the development of depression. However, the molecular and circuit mechanisms by which the mediodorsal thalamus (MD) participates in the pathological processes of depression remain unclear. Here, we show that in male chronic social defeat stress (CSDS) mice, the calcium signaling activity of glutamatergic neurons in MD is reduced. By combining conventional neurotracer and transneuronal virus tracing techniques, we identify a synaptic circuit connecting MD and medial prefrontal cortex (mPFC) in the mouse. Brain slice electrophysiology and fiber optic recordings reveal that the reduced activity of MD glutamatergic neurons leads to an excitatory-inhibitory imbalance of pyramidal neurons in mPFC. Furthermore, activation of MD glutamatergic neurons restores the electrophysiological properties abnormal in mPFC. Optogenetic activation of the MD-mPFC circuit ameliorates anxiety and depression-like behaviors in CSDS mice. Taken together, these data support the critical role of MD-mPFC circuit on CSDS-induced depression-like behavior and provide a potential mechanistic explanation for depression.
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Affiliation(s)
- Fang Li
- Department of Anatomy, Neuroscience Laboratory for Cognitive and Developmental Disorders, Medical College of Jinan University, Guangzhou, 510630, China
- Shenzhen-Hong Kong Institute of Brain Science, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, China
| | - Xuefeng Zheng
- Department of Anatomy, Neuroscience Laboratory for Cognitive and Developmental Disorders, Medical College of Jinan University, Guangzhou, 510630, China
| | - Hanjie Wang
- Department of Anatomy, Neuroscience Laboratory for Cognitive and Developmental Disorders, Medical College of Jinan University, Guangzhou, 510630, China
| | - Lianghui Meng
- Department of Anatomy, Neuroscience Laboratory for Cognitive and Developmental Disorders, Medical College of Jinan University, Guangzhou, 510630, China
| | - Meiying Chen
- Department of Anatomy, Neuroscience Laboratory for Cognitive and Developmental Disorders, Medical College of Jinan University, Guangzhou, 510630, China
| | - Yuqing Hui
- Department of Anatomy, Neuroscience Laboratory for Cognitive and Developmental Disorders, Medical College of Jinan University, Guangzhou, 510630, China
- Department of Gastroenterology, The First Affiliated Hospital of Jinan University, Guangzhou, 510630, China
| | - Danlei Liu
- Department of Anatomy, Neuroscience Laboratory for Cognitive and Developmental Disorders, Medical College of Jinan University, Guangzhou, 510630, China
- Department of Gastroenterology, The First Affiliated Hospital of Jinan University, Guangzhou, 510630, China
| | - Yifei Li
- Department of Anatomy, Neuroscience Laboratory for Cognitive and Developmental Disorders, Medical College of Jinan University, Guangzhou, 510630, China
| | - Keman Xie
- Department of Anatomy, Neuroscience Laboratory for Cognitive and Developmental Disorders, Medical College of Jinan University, Guangzhou, 510630, China
| | - Jifeng Zhang
- Department of Anatomy, Neuroscience Laboratory for Cognitive and Developmental Disorders, Medical College of Jinan University, Guangzhou, 510630, China.
| | - Guoqing Guo
- Department of Anatomy, Neuroscience Laboratory for Cognitive and Developmental Disorders, Medical College of Jinan University, Guangzhou, 510630, China.
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Hu N, Long Q, Wang X, Li Q, Li Q, Chen A. Neural and Behavioral Measures of Stress-induced Impairment in Error Awareness and Post-error Adjustment. Neurosci Bull 2024; 40:937-951. [PMID: 38070027 PMCID: PMC11250752 DOI: 10.1007/s12264-023-01154-2] [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: 05/17/2023] [Accepted: 08/17/2023] [Indexed: 07/16/2024] Open
Abstract
Exposure to stress negatively affects error processing, but the impact of stress on error awareness remains to be determined. In the present study, we examined the temporal dynamics of error awareness and post-error adjustment following acute stress. Forty-nine healthy men were randomly assigned to the control (n = 26) or stress group (n = 23). After stress induction, participants completed the error awareness task, and their brain activity was assessed by electroencephalography. Compared to the control group, the stress group demonstrated lower error awareness accuracy and smaller Pe (error positivity) and ΔPe amplitudes following aware error responses, which indicated impairment of error awareness following stress. Furthermore, the stress group had lower accuracy in post-aware error responses than in post-unaware error responses and the control group, which indicated poor post-error adjustment following stress. Our results showed a stress effect on sequential stages of error processing. Stress induces impaired error identification, which further generates maladaptive post-error performance.
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Affiliation(s)
- Na Hu
- School of Preschool and Special Education, Kunming University, Kunming, 650214, China
| | - Quanshan Long
- Faculty of Education, Yunnan Normal University, Kunming, 650214, China
| | - Xiaoxi Wang
- School of Preschool and Special Education, Kunming University, Kunming, 650214, China
| | - Quan Li
- College of Teacher Education, Qujing Normal University, Qujing, 655099, China
| | - Qing Li
- Key Laboratory of Cognition and Personality of Ministry of Education, Faculty of Psychology, Southwest University, Chongqing, 400715, China
| | - Antao Chen
- School of Psychology, Shanghai University of Sport, Shanghai, 200438, China.
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van Herk L, Schilder FP, de Weijer AD, Bruinsma B, Geuze E. Heightened SAM- and HPA-axis activity during acute stress impairs decision-making: A systematic review on underlying neuropharmacological mechanisms. Neurobiol Stress 2024; 31:100659. [PMID: 39070283 PMCID: PMC11277380 DOI: 10.1016/j.ynstr.2024.100659] [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: 08/01/2023] [Revised: 02/05/2024] [Accepted: 06/26/2024] [Indexed: 07/30/2024] Open
Abstract
Individuals might be exposed to intense acute stress while having to make decisions with far-reaching consequences. Acute stress impairs processes required for decision-making by activating different biological stress cascades that in turn affect the brain. By knowing which stress system, brain areas, and receptors are responsible for compromised decision-making processes, we can effectively find potential pharmaceutics that can prevent the deteriorating effects of acute stress. We used a systematic review procedure and found 44 articles providing information on this topic. Decision-making processes could be subdivided into 4 domains (cognitive, motivational, affective, and predictability) and could be referenced to specific brain areas, while mostly being impaired by molecules associated with the sympathetic-adrenal-medullar and hypothalamic-pituitary-adrenal axes. Potential drugs to alleviate these effects included α1 and β adrenoceptor antagonists, α2 adrenoceptor agonists, and corticotropin releasing factor receptor1/2 antagonists, while consistent stress-like effects were found with yohimbine, an α2 adrenoceptor antagonist. We suggest possible avenues for future research.
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Affiliation(s)
- Lukas van Herk
- Department of Psychiatry, University Medical Centre, Utrecht, the Netherlands
- Brain Research and Innovation Centre, Ministry of Defence, Utrecht, the Netherlands
| | - Frank P.M. Schilder
- Department of Psychiatry, University Medical Centre, Utrecht, the Netherlands
- Brain Research and Innovation Centre, Ministry of Defence, Utrecht, the Netherlands
| | - Antoin D. de Weijer
- Department of Psychiatry, University Medical Centre, Utrecht, the Netherlands
- Brain Research and Innovation Centre, Ministry of Defence, Utrecht, the Netherlands
| | - Bastiaan Bruinsma
- Department of Psychiatry, University Medical Centre, Utrecht, the Netherlands
- Brain Research and Innovation Centre, Ministry of Defence, Utrecht, the Netherlands
| | - Elbert Geuze
- Department of Psychiatry, University Medical Centre, Utrecht, the Netherlands
- Brain Research and Innovation Centre, Ministry of Defence, Utrecht, the Netherlands
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Zheng B, Zheng Y, Hu W, Chen Z. Dissecting the networks underlying diverse brain disorders after prenatal glucocorticoid overexposure. Arch Toxicol 2024; 98:1975-1990. [PMID: 38581585 DOI: 10.1007/s00204-024-03733-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2023] [Accepted: 03/07/2024] [Indexed: 04/08/2024]
Abstract
New human life begins in the uterus in a period of both extreme plasticity and sensitivity to environmental disturbances. The fetal stage is also a vital period for central nervous system development, with experiences at this point profoundly and permanently shaping brain structure and function. As such, some brain disorders may originate in utero. Glucocorticoids, a class of essential stress hormones, play indispensable roles in fetal development, but overexposure may have lasting impacts on the brain. In this review, we summarize data from recent clinical and non-clinical studies regarding alterations in fetal brains due to prenatal glucocorticoid overexposure that are associated with nervous system disorders. We discuss relevant changes to brain structure and cellular functions and explore the underlying molecular mechanisms. In addition, we summarize factors that may cause differential outcomes between varying brain regions, and outline clinically feasible intervention strategies that are expected to minimize negative consequences arising from fetal glucocorticoid overexposure. Finally, we highlight the need for experimental evidence aided by new technologies to clearly determine the effects of excessive prenatal glucocorticoid exposure. This review consolidates diverse findings to help researchers better understand the relationship between the prenatal glucocorticoid overexposure and the effects it has on various fetal brain regions, promoting further development of critical intervention strategies.
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Affiliation(s)
- Baixiu Zheng
- Institute of Pharmacology and Toxicology, NHC and CAMS Key Laboratory of Medical Neurobiology, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, 310058, China
| | - Yanrong Zheng
- Key Laboratory of Neuropharmacology and Translational Medicine of Zhejiang Province, School of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou, 310053, China
| | - Weiwei Hu
- Institute of Pharmacology and Toxicology, NHC and CAMS Key Laboratory of Medical Neurobiology, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, 310058, China.
| | - Zhong Chen
- Institute of Pharmacology and Toxicology, NHC and CAMS Key Laboratory of Medical Neurobiology, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, 310058, China.
- Key Laboratory of Neuropharmacology and Translational Medicine of Zhejiang Province, School of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou, 310053, China.
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Wang S, Luo X, Zang X, Ma Y, Yang J. Impact of social reward on stress circuit function and regulation: Path differences between value affirmation and emotional support. Int J Clin Health Psychol 2024; 24:100499. [PMID: 39308781 PMCID: PMC11414685 DOI: 10.1016/j.ijchp.2024.100499] [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: 06/17/2024] [Accepted: 08/19/2024] [Indexed: 09/25/2024] Open
Abstract
Background As two typical types of social rewards, both value affirmation and emotional support could alleviate acute stress response, but it is not clear whether they can impact stress circuit function and regulation through different neural pathways. Method Sixty-two participants were randomly assigned to the value affirmation, emotional support, and non-reward conditions, then administered an adapted version of the ScanSTRESS paradigm. Participants' subjective reports of uncontrollability and social evaluative threat were measured to explore the mitigation of stress by social rewards at the behavioral level. Meanwhile, their acute salivary cortisol response to stress was compared among different social reward conditions. Furthermore, we computed linear contrasts for performance (vs relaxation) and reward (vs non-reward) and used psychophysiological interaction (PPI) analysis to explore the impact of social reward on stress circuit function and regulation. Results Both value affirmation and emotional support conditions reduced subjective reports of uncontrollability and social evaluation threat, but not cortisol response to stress. Furthermore, value affirmation reduced uncontrollability by enhancing putamen activation, whereas emotional support reduced social evaluation threat by enhancing putamen activation. More importantly, during stress, value affirmation enhanced the functional connectivity of the putamen-hippocampus and putamen-angular gyrus (AG), whereas emotional support enhanced the functional connectivity of the putamen-ventrolateral prefrontal cortex (vlPFC) and putamen-temporal pole mid, compared to the non-reward condition. Conclusion Value affirmation and emotional support alleviated acute stress response in different neural pathways. These findings suggested a precise categorization of social reward in intervention of a range of adverse psychological and physiological responses caused by stress.
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Affiliation(s)
- Shuai Wang
- Faculty of Psychology, Southwest University, Chongqing 400715, China
- Key Laboratory of Cognition and Personality, Ministry of Education, Southwest University, Chongqing 400715, China
| | - Xiao Luo
- Faculty of Psychology, Southwest University, Chongqing 400715, China
- Key Laboratory of Cognition and Personality, Ministry of Education, Southwest University, Chongqing 400715, China
| | - Xinlei Zang
- Faculty of Psychology, Southwest University, Chongqing 400715, China
- Key Laboratory of Cognition and Personality, Ministry of Education, Southwest University, Chongqing 400715, China
| | - Yiqing Ma
- Faculty of Psychology, Southwest University, Chongqing 400715, China
- Key Laboratory of Cognition and Personality, Ministry of Education, Southwest University, Chongqing 400715, China
| | - Juan Yang
- Faculty of Psychology, Southwest University, Chongqing 400715, China
- Key Laboratory of Cognition and Personality, Ministry of Education, Southwest University, Chongqing 400715, China
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Visocky V, Turner CJ, Lowrie MH, Alibro A, Messanvi F, Chudasama Y. Noradrenergic modulation of stress induced catecholamine release: Opposing influence of FG7142 and yohimbine. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.05.09.593389. [PMID: 38766011 PMCID: PMC11100835 DOI: 10.1101/2024.05.09.593389] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2024]
Abstract
Background Life stress modulates decision making, particularly in the face of risk, in some cases prompting vulnerable populations to make suboptimal, life-altering choices. In the brain, stress is known to alter the extracellular release of catecholamines in structures such as basolateral amygdala (BLA) and nucleus accumbens (NAc), but the relationship between catecholamines and decision-making behavior under stress has not been systemically explored. Methods We developed an operant touchscreen decision-making task for rats comprising elements of loss aversion and risk seeking behavior. Rats were first injected systemically with an adrenergicα 2 A -receptor agonist (guanfacine) and antagonist (yohimbine), as well as a partial inverse GABAA agonist, FG 7142, known to induce anxiety and stress related physiological responses in a variety of species, including humans. We then used fiber photometry to monitor NE in the basolateral amygdala (BLA), and DA activity in the nucleus accumbens (NAc) while animals engaged in decision-making and following systemic injections of FG 7142 and yohimbine. Results Neither yohimbine nor guanfacine had any impact on decision making strategy but altered motivational state with yohimbine making the animal almost insensitive to the reward outcome. The pharmacological induction of stress with FG 7142 biased the rats' decisions towards safety, but this bias shifted toward risk when co-treated with yohimbine. In the BLA and NAc, the FG 7142 altered catecholamine release, with systemic yohimbine producing opposing effects on NE and DA release. Conclusions Stress induced changes in catecholamine release in the BLA and NAc can directly influence loss sensitivity, decisions and motivation, which can be modulated by theα 2 A adrenoreceptor antagonist, yohimbine.
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Affiliation(s)
- Vladimir Visocky
- Section on Behavioral Neuroscience, National Institute of Mental Health, National Institutes of Health, Bethesda, MD 20892, USA
| | - Carleigh J Turner
- Section on Behavioral Neuroscience, National Institute of Mental Health, National Institutes of Health, Bethesda, MD 20892, USA
| | - Matthew H Lowrie
- Section on Behavioral Neuroscience, National Institute of Mental Health, National Institutes of Health, Bethesda, MD 20892, USA
| | - Anthony Alibro
- Section on Behavioral Neuroscience, National Institute of Mental Health, National Institutes of Health, Bethesda, MD 20892, USA
| | - Fany Messanvi
- Section on Behavioral Neuroscience, National Institute of Mental Health, National Institutes of Health, Bethesda, MD 20892, USA
| | - Yogita Chudasama
- Section on Behavioral Neuroscience, National Institute of Mental Health, National Institutes of Health, Bethesda, MD 20892, USA
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Joyce MKP, Uchendu S, Arnsten AFT. Stress and Inflammation Target Dorsolateral Prefrontal Cortex Function: Neural Mechanisms Underlying Weakened Cognitive Control. Biol Psychiatry 2024:S0006-3223(24)01420-3. [PMID: 38944141 DOI: 10.1016/j.biopsych.2024.06.016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/05/2024] [Revised: 06/15/2024] [Accepted: 06/22/2024] [Indexed: 07/01/2024]
Abstract
Most mental disorders involve dysfunction of the dorsolateral prefrontal cortex (dlPFC), a recently evolved brain region that subserves working memory, abstraction, and the thoughtful regulation of attention, action, and emotion. For example, schizophrenia, depression, long COVID, and Alzheimer's disease are all associated with dlPFC dysfunction, with neuropathology often being focused in layer III. The dlPFC has extensive top-down projections, e.g., to the posterior association cortices to regulate attention and to the subgenual cingulate cortex via the rostral and medial PFC to regulate emotional responses. However, the dlPFC is particularly dependent on arousal state and is very vulnerable to stress and inflammation, which are etiological and/or exacerbating factors for most mental disorders. The cellular mechanisms by which stress and inflammation impact the dlPFC are a topic of current research and are summarized in this review. For example, the layer III dlPFC circuits that generate working memory-related neuronal firing have unusual neurotransmission, depending on NMDA receptor and nicotinic α7 receptor actions that are blocked under inflammatory conditions by kynurenic acid. These circuits also have unusual neuromodulation, with the molecular machinery to magnify calcium signaling in spines needed to support persistent firing, which must be tightly regulated to prevent toxic calcium actions. Stress rapidly weakens layer III connectivity by driving feedforward calcium-cAMP (cyclic adenosine monophosphate) opening of potassium channels on spines. This is regulated by postsynaptic noradrenergic α2A adrenergic receptor and mGluR3 (metabotropic glutamate receptor 3) signaling but dysregulated by inflammation and/or chronic stress exposure, which contribute to spine loss. Treatments that strengthen the dlPFC via pharmacological (the α2A adrenergic receptor agonist, guanfacine) or repetitive transcranial magnetic stimulation manipulation provide a rational basis for therapy.
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Affiliation(s)
- Mary Kate P Joyce
- Department of Neuroscience, Yale Medical School, New Haven, Connecticut
| | - Stacy Uchendu
- Department of Neuroscience, Yale Medical School, New Haven, Connecticut
| | - Amy F T Arnsten
- Department of Neuroscience, Yale Medical School, New Haven, Connecticut.
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Zhang Y, Liu X, Wu H, Guo C. Gender Differences in Negative Life Events, Present-Moment Awareness, Problem-Solving, and Perceived Stress Among Rural Adolescents. Child Psychiatry Hum Dev 2024:10.1007/s10578-024-01718-x. [PMID: 38904855 DOI: 10.1007/s10578-024-01718-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 05/16/2024] [Indexed: 06/22/2024]
Abstract
Drawing on the stressor-perception-coping-response model of stress, this study examined the associations between negative life events, present-moment awareness, problem-solving, and perceived stress among rural adolescents, focusing specifically on gender differences. Using a cross-sectional design, 3519 Chinese rural adolescents completed measures assessing negative life events, present-moment awareness, problem-solving, and perceived stress. Structural equation modeling was employed to examine the hypothesized serial mediation model. The results revealed a positive association between negative life events and perceived stress in rural adolescents, which was serially mediated by present-moment awareness and problem-solving. Furthermore, significant gender differences were observed. Specifically, girls exhibited larger effects than boys in the overall effect of negative life events on perceived stress, the indirect effect of present-moment awareness, and the serial mediating effect. These findings suggest that present-moment awareness and problem-solving may serve as crucial mechanisms for understanding rural adolescents' perceived stress in response to negative life events, particularly among female rural adolescents.
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Affiliation(s)
- Yaoyao Zhang
- School of Psychology, Faculty of Psychology, Southwest University, No 2, Tiansheng Road, Beibei District, Chongqing, 400715, China
- Yibin Research Institute of Southwest University, Yibin, 644005, China
| | - Xin Liu
- School of Psychology, Faculty of Psychology, Southwest University, No 2, Tiansheng Road, Beibei District, Chongqing, 400715, China
| | - Huimin Wu
- School of Psychology, Faculty of Psychology, Southwest University, No 2, Tiansheng Road, Beibei District, Chongqing, 400715, China
| | - Cheng Guo
- School of Psychology, Faculty of Psychology, Southwest University, No 2, Tiansheng Road, Beibei District, Chongqing, 400715, China.
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48
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Jiang Y, Xu L, Cao Y, Meng F, Jiang S, Yang M, Zheng Z, Zhang Y, Yang L, Wang M, Sun G, Liu J, Li C, Cui M. Effects of Interleukin-19 overexpression in the medial prefrontal cortex on anxiety-related behaviors, BDNF expression and p38/JNK/ERK pathways. Brain Res Bull 2024; 212:110952. [PMID: 38636611 DOI: 10.1016/j.brainresbull.2024.110952] [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: 01/05/2024] [Revised: 03/27/2024] [Accepted: 04/14/2024] [Indexed: 04/20/2024]
Abstract
Anxiety is a prevalent mental illness known for its high incidence, comorbidity, and tendency to recur, posing significant societal and individual burdens. Studies have highlighted Interleukin-19 (IL-19) as having potential relevance in neuropsychiatric disorders. Our previous research revealed that IL-19 overexpression in colonies exacerbated anxiety-related behaviors induced by dextran sodium sulfate/stress. However, the precise role and molecular mechanisms of IL-19 in anxiety regulation remain uncertain. In this study, we initiated an acute restraint stress (ARS)-induced anxious mouse model and identified heightened expression of IL-19 and IL-20Rα in the medial prefrontal cortex (mPFC) of ARS mice. Notably, IL-19 and IL-20Rα were predominantly present in the excitatory pyramidal neurons of the mPFC under both basal and ARS conditions. Utilizing the adeno-associated virus (AAV) strategy, we demonstrated that IL-19 overexpression in the mPFC induced anxiety-related behaviors and elevated stress susceptibility. Additionally, we observed decreased protein levels of brain-derived neurotrophic factor (BDNF) and postsynaptic density protein 95 (PSD95) in the mPFC of IL-19 overexpression mice, accompanied by reduced phosphorylation of in the p38, JNK, and Erk signaling pathways. These findings emphasize the role of IL-19 in modulating anxiety-related behaviors within the mPFC and suggest its potential as a pathological gene and therapeutic target for anxiety.
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Affiliation(s)
- Yuting Jiang
- Department of Psychology, Binzhou Medical University Hospital, Binzhou, Shandong, China; Medical Research Center, Binzhou Medical University Hospital, Binzhou, Shandong, China
| | - Lihong Xu
- Department of Psychology, Binzhou Medical University Hospital, Binzhou, Shandong, China; Medical Research Center, Binzhou Medical University Hospital, Binzhou, Shandong, China
| | - Yifan Cao
- Department of Psychology, Binzhou Medical University Hospital, Binzhou, Shandong, China; Medical Research Center, Binzhou Medical University Hospital, Binzhou, Shandong, China
| | - Fantao Meng
- Department of Psychology, Binzhou Medical University Hospital, Binzhou, Shandong, China; Medical Research Center, Binzhou Medical University Hospital, Binzhou, Shandong, China
| | - Shujun Jiang
- Department of Physiology, Binzhou Medical University, Shandong, China
| | - Mengyu Yang
- Department of Psychology, Binzhou Medical University Hospital, Binzhou, Shandong, China; Medical Research Center, Binzhou Medical University Hospital, Binzhou, Shandong, China
| | - Ziteng Zheng
- Department of Psychology, Binzhou Medical University Hospital, Binzhou, Shandong, China; Medical Research Center, Binzhou Medical University Hospital, Binzhou, Shandong, China
| | - Yi Zhang
- Department of Psychology, Binzhou Medical University Hospital, Binzhou, Shandong, China; Medical Research Center, Binzhou Medical University Hospital, Binzhou, Shandong, China
| | - Lu Yang
- Department of Psychology, Binzhou Medical University Hospital, Binzhou, Shandong, China; Medical Research Center, Binzhou Medical University Hospital, Binzhou, Shandong, China
| | - Meiqin Wang
- Medical Research Center, Binzhou Medical University Hospital, Binzhou, Shandong, China; Department of Physiology, Binzhou Medical University, Shandong, China
| | - Guizhi Sun
- Department of Psychology, Binzhou Medical University Hospital, Binzhou, Shandong, China
| | - Jing Liu
- Department of Psychology, Binzhou Medical University Hospital, Binzhou, Shandong, China; Medical Research Center, Binzhou Medical University Hospital, Binzhou, Shandong, China.
| | - Chen Li
- Department of Psychology, Binzhou Medical University Hospital, Binzhou, Shandong, China; Medical Research Center, Binzhou Medical University Hospital, Binzhou, Shandong, China.
| | - Minghu Cui
- Department of Psychology, Binzhou Medical University Hospital, Binzhou, Shandong, China; Medical Research Center, Binzhou Medical University Hospital, Binzhou, Shandong, China.
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Burzynski HE, Reagan LP. Exposing the latent phenotype of Gulf War Illness: examination of the mechanistic mediators of cognitive dysfunction. Front Immunol 2024; 15:1403574. [PMID: 38919622 PMCID: PMC11196646 DOI: 10.3389/fimmu.2024.1403574] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2024] [Accepted: 05/20/2024] [Indexed: 06/27/2024] Open
Abstract
Though it has been over 30 years since the 1990-1991 Gulf War (GW), the pathophysiology of Gulf War Illness (GWI), the complex, progressive illness affecting approximately 30% of GW Veterans, has not been fully characterized. While the symptomology of GWI is broad, many symptoms can be attributed to immune and endocrine dysfunction as these critical responses appear to be dysregulated in many GWI patients. Since such dysregulation emerges in response to immune threats or stressful situations, it is unsurprising that clinical studies suggest that GWI may present with a latent phenotype. This is most often observed in studies that include an exercise challenge during which many GWI patients experience an exacerbation of symptoms. Unfortunately, very few preclinical studies include such physiological stressors when assessing their experimental models of GWI, which creates variable results that hinder the elucidation of the mechanisms mediating GWI. Thus, the purpose of this review is to highlight the clinical and preclinical findings that investigate the inflammatory component of GWI and support the concept that GWI may be characterized as having a latent phenotype. We will mainly focus on studies assessing the progressive cognitive impairments associated with GWI and emphasize the need for physiological stressors in future work to create a more unified hypothesis that can identify potential therapeutics for this patient population.
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Affiliation(s)
- Hannah E. Burzynski
- Department of Pharmacology, Physiology, and Neuroscience, University of South Carolina School of Medicine, Columbia, SC, United States
- Department of Psychology, Binghamton University, Binghamton, NY, United States
| | - Lawrence P. Reagan
- Department of Pharmacology, Physiology, and Neuroscience, University of South Carolina School of Medicine, Columbia, SC, United States
- Columbia Veterans Affairs (VA) Health Care System, Columbia, SC, United States
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50
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Hing B, Mitchell SB, Filali Y, Eberle M, Hultman I, Matkovich M, Kasturirangan M, Johnson M, Wyche W, Jimenez A, Velamuri R, Ghumman M, Wickramasinghe H, Christian O, Srivastava S, Hultman R. Transcriptomic Evaluation of a Stress Vulnerability Network Using Single-Cell RNA Sequencing in Mouse Prefrontal Cortex. Biol Psychiatry 2024:S0006-3223(24)01363-5. [PMID: 38866174 DOI: 10.1016/j.biopsych.2024.05.023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/20/2023] [Revised: 04/24/2024] [Accepted: 05/27/2024] [Indexed: 06/14/2024]
Abstract
BACKGROUND Increased vulnerability to stress is a major risk factor for several mood disorders, including major depressive disorder. Although cellular and molecular mechanisms associated with depressive behaviors following stress have been identified, little is known about the mechanisms that confer the vulnerability that predisposes individuals to future damage from chronic stress. METHODS We used multisite in vivo neurophysiology in freely behaving male and female C57BL/6 mice (n = 12) to measure electrical brain network activity previously identified as indicating a latent stress vulnerability brain state. We combined this neurophysiological approach with single-cell RNA sequencing of the prefrontal cortex to identify distinct transcriptomic differences between groups of mice with inherent high and low stress vulnerability. RESULTS We identified hundreds of differentially expressed genes (padjusted < .05) across 5 major cell types in animals with high and low stress vulnerability brain network activity. This unique analysis revealed that GABAergic (gamma-aminobutyric acidergic) neuron gene expression contributed most to the network activity of the stress vulnerability brain state. Upregulation of mitochondrial and metabolic pathways also distinguished high and low vulnerability brain states, especially in inhibitory neurons. Importantly, genes that were differentially regulated with vulnerability network activity significantly overlapped (above chance) with those identified by genome-wide association studies as having single nucleotide polymorphisms significantly associated with depression as well as genes more highly expressed in postmortem prefrontal cortex of patients with major depressive disorder. CONCLUSIONS This is the first study to identify cell types and genes involved in a latent stress vulnerability state in the brain.
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Affiliation(s)
- Benjamin Hing
- Department of Molecular Physiology and Biophysics, University of Iowa, Iowa City, Iowa
| | - Sara B Mitchell
- Department of Molecular Physiology and Biophysics, University of Iowa, Iowa City, Iowa; Interdisciplinary Graduate Program in Neuroscience, University of Iowa, Iowa City, Iowa
| | - Yassine Filali
- Department of Molecular Physiology and Biophysics, University of Iowa, Iowa City, Iowa; Interdisciplinary Graduate Program in Neuroscience, University of Iowa, Iowa City, Iowa
| | - Maureen Eberle
- Department of Molecular Physiology and Biophysics, University of Iowa, Iowa City, Iowa
| | - Ian Hultman
- Department of Statistics and Actuarial Science, University of Iowa, Iowa City, Iowa
| | - Molly Matkovich
- Department of Molecular Physiology and Biophysics, University of Iowa, Iowa City, Iowa
| | | | - Micah Johnson
- Department of Molecular Physiology and Biophysics, University of Iowa, Iowa City, Iowa; Interdisciplinary Graduate Program in Neuroscience, University of Iowa, Iowa City, Iowa
| | - Whitney Wyche
- Department of Molecular Physiology and Biophysics, University of Iowa, Iowa City, Iowa
| | - Alli Jimenez
- Department of Molecular Physiology and Biophysics, University of Iowa, Iowa City, Iowa
| | - Radha Velamuri
- Department of Molecular Physiology and Biophysics, University of Iowa, Iowa City, Iowa
| | - Mahnoor Ghumman
- Department of Molecular Physiology and Biophysics, University of Iowa, Iowa City, Iowa
| | - Himali Wickramasinghe
- Department of Molecular Physiology and Biophysics, University of Iowa, Iowa City, Iowa
| | - Olivia Christian
- Department of Molecular Physiology and Biophysics, University of Iowa, Iowa City, Iowa
| | - Sanvesh Srivastava
- Department of Statistics and Actuarial Science, University of Iowa, Iowa City, Iowa
| | - Rainbo Hultman
- Department of Molecular Physiology and Biophysics, University of Iowa, Iowa City, Iowa; Department of Psychiatry, University of Iowa, Iowa City, Iowa.
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