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Zhang L, Wang Y, Li S, Otani S, Chen F. Post-stress Social Interaction and 3-Cyano-N-(1,3-Diphenyl-1H-Pyrazol-5-yl) Benzamide Treatment Attenuate Depressive-like Behavior Induced by Repeated Social Defeat Stress. Neuroscience 2024; 538:11-21. [PMID: 38103860 DOI: 10.1016/j.neuroscience.2023.12.004] [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: 10/11/2023] [Revised: 11/23/2023] [Accepted: 12/11/2023] [Indexed: 12/19/2023]
Abstract
Persistent stress increases the probability for developing depression significantly thereafter. Repeated social defeat stress is a widely used model to investigate depressive-like behavior in preclinical models. Hence, the repeated social defeat stress model provided an ideal animal model, through which the hypotheses of prevention and treatment can be investigated. We have successfully induced depressive-like behavior for male C57BL/6J mice with this model. Here, we reported that certain level of during-stress social interactions with single female or multiple male peer(s) exerted a positive role in preventing the development of depressive-like behavior induced by repeated social defeat stress. Our data suggested that the stress-susceptible mice may benefit from positive social interaction, which reduces the chance for depressive-like behavior development. Since numerous studies indicate that the metabotropic glutamate receptor 5 (mGluR5) plays an important role in various cognitive functions, we further investigate the treatment effect of 3-cyano-N-(1,3-diphenyl-1H-pyrazol-5-yl) benzamide (CDPPB) on the depressive-like behavior induced by repeated social defeat stress. Most importantly, robust anti-depressant effects have been achieved through modulating the mGluR5 function. We found that single oral dose administration of CDPPB (20 mg/kg), to some extent, alleviated the social avoidance behaviors for the stress-susceptible mice. Our data implies that the CDPPB, a positive allosteric modulator of mGluR5, is a promising anti-depressant candidate with limited side effect.
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Affiliation(s)
- Liangui Zhang
- Bio-X Institutes, Key Laboratory for the Genetics of Developmental and Neuropsychiatric Disorders, Ministry of Education, Shanghai Jiao Tong University, Shanghai 200030, China.
| | - Ying Wang
- Core Research Facilities, Southern University of Science and Technology, Shenzhen 518055, China.
| | - Shengtian Li
- Bio-X Institutes, Key Laboratory for the Genetics of Developmental and Neuropsychiatric Disorders, Ministry of Education, Shanghai Jiao Tong University, Shanghai 200030, China.
| | - Satoru Otani
- Vision Institute, CNRS - INSERM - Sorbonne University, Paris 75012, France.
| | - Fujun Chen
- Bio-X Institutes, Key Laboratory for the Genetics of Developmental and Neuropsychiatric Disorders, Ministry of Education, Shanghai Jiao Tong University, Shanghai 200030, China.
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Ragusa A, Obregón-Cuesta AI, Di Petrillo E, Moscato EM, Fernández-Solana J, Caggiano V, González-Bernal JJ. Intercultural Differences between Spain and Italy Regarding School Bullying, Gender, and Age. CHILDREN (BASEL, SWITZERLAND) 2023; 10:1762. [PMID: 38002853 PMCID: PMC10670147 DOI: 10.3390/children10111762] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/19/2023] [Revised: 10/25/2023] [Accepted: 10/28/2023] [Indexed: 11/26/2023]
Abstract
The objectives of this research were to establish the differences between Spain and Italy regarding the presence of bullying in primary and secondary schools, as well as to determine whether there are differences between experiencing or perpetrating bullying and gender and age in the practice of school bullying. To assess the EBIPQ scores in terms of country and gender, the chi-squared test was used, and ANOVA was applied for age. A total of 1536 students from primary and secondary schools in Spain and Italy participated in the study. Their ages ranged from 10 to 19 years (mean = 13.01, standard deviation = 2.19). The results revealed statistically significant differences in terms of bullying categories concerning the country of origin and gender, with a higher number of Italian participants in the role of "no victim aggress" and Spanish participants in the roles of "victim" and "victim and aggress". Additionally, there were more boys in the role of "victim and aggress" and girls in the role of "no victim aggress". Regarding age, statistically significant differences were found, with older students taking on the role of "aggress" on average, while younger students assumed the role of "victim".
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Affiliation(s)
- Antonio Ragusa
- Rome Business School, Department of Education, 00196 Rome, Italy; (A.R.); (E.D.P.)
| | | | - Emma Di Petrillo
- Rome Business School, Department of Education, 00196 Rome, Italy; (A.R.); (E.D.P.)
| | - Eduardo Maria Moscato
- Department of Health Sciences, University of Burgos, 09001 Burgos, Spain; (E.M.M.); (J.J.G.-B.)
| | | | - Valeria Caggiano
- Department of Education, University Roma TRE, 00154 Rome, Italy;
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Sutter CC, Stickl Haugen J, Campbell LO, Tinstman Jones JL. School and electronic bullying among adolescents: Direct and indirect relationships with sadness, sleep, and suicide ideation. J Adolesc 2023; 95:82-96. [PMID: 36317502 DOI: 10.1002/jad.12101] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2022] [Revised: 09/02/2022] [Accepted: 09/20/2022] [Indexed: 01/06/2023]
Abstract
INTRODUCTION Bullying is an increasing concern for education, health, and policy. Adolescence is a particularly vulnerable period for the development of depressive symptoms and suicidality following exposure to bullying. However, limited research investigating the potential impact of depressive symptoms on the bullying-suicide relationship exists. METHODS Using national data (N = 13,677) from the most recent 2019 Youth Risk Behavior Survey, the aim of the present study was to examine the prevalence among adolescents' (school/electronic) bullying victimization, depressive symptoms (sadness; sleep), and suicide ideation as well as their associations including direct and indirect relationships including exploring differences by gender and race/ethnicity. RESULTS Descriptive results indicated an increase in the prevalence of adolescents being bullied (both on school property and electronically), experiencing feelings of sadness, and hopelessness as well as a decrease in getting more than 8 h of sleep between 2017 and 2019. In 2019, over one-third of respondents felt sad or hopeless almost every day for 2 weeks or more in a row, which stopped them from doing some usual activities. Structural equation modeling indicated that (school/electronic) bullying was directly associated with feelings of sadness/hopelessness and suicide ideation, with sadness mediating the link between bullying and suicide ideation. CONCLUSION Now more than ever, it is critical to promote the collaboration between educators, mental health specialists, policymakers, and researchers to develop and implement evidence-based strategies and approaches to preventing and reducing both bullying victimization and the associated psychological distress and mental health outcomes.
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Affiliation(s)
- Claudia C Sutter
- Department of Psychology, University of California, Los Angeles, Los Angeles, California, USA
| | | | - Laurie O Campbell
- College of Community Innovation and Education, University of Central Florida, Orange County, Florida, USA
| | - Jessica L Tinstman Jones
- Department of Counseling, College of Psychology, Nova Southeastern University, Davie, Florida, USA
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Lu L, Fei L, Ye Y, Liao M, Chang Y, Chen Y, Zou Y, Li X, Zhang R. Psychological Resilience May Be Related to Students' Responses to Victims of School Bullying: A Cross-Sectional Study of Chinese Grade 3-5 Primary School Students. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:16121. [PMID: 36498195 PMCID: PMC9740964 DOI: 10.3390/ijerph192316121] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/30/2022] [Revised: 11/18/2022] [Accepted: 11/30/2022] [Indexed: 06/17/2023]
Abstract
BACKGROUND School bullying is a major public health problem with a large impact on children's health. There is an increasing number of cases of school bullying reported in China. Studies have shown that the health consequences of different ways of responding to school bullying may be quite different and that psychological resilience is also closely related to aggressive behaviors. However, there has been little research on whether individuals with different psychological resilience levels respond differently. OBJECTIVE To explore the relationship between responses to school bullying and psychological resilience, which may provide new ideas and strategies to better prevent and intervene in school bullying. METHODS A random sample of 5425 primary school students aged 7-14 years were recruited in Luzhou, China. All students completed a questionnaire anonymously. The statistical significance of differences between groups was tested using the χ2 test or t test. Binary logistic regression was conducted to explore the relationship between responses and psychological resilience. RESULTS Over two-thirds of primary school students in this study reported experiencing bullying in the past year. The rate of positive responses among victims was 69.10% (2596/3757, 95% CI: 67.62~70.58%). There was a positive relationship between psychological resilience and positive responses. This relationship was observed for all victims (OR = 1.605, 95% CI: 1.254~2.055), especially male victims (OR = 2.300, 95% CI: 1.624~3.259). CONCLUSIONS There was a positive relationship between primary school bullying responses and psychological resilience among victims, with differences by sex. Therefore, increasing students' level of psychological resilience, possibly by improving their responses, is important for preventing school bullying. Meanwhile, effective interventions for school bullying should be developed from multiple perspectives, particularly sex, bullying roles, and psychological resilience.
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Affiliation(s)
- Lu Lu
- School of Public Health, Southwest Medical University, Luzhou 646000, China
| | - Liping Fei
- School of Public Health, Southwest Medical University, Luzhou 646000, China
- National Center for AIDS/STD Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 100000, China
| | - Yunli Ye
- School of Public Health, Southwest Medical University, Luzhou 646000, China
| | - Maoxu Liao
- Information and Education Technology Center, Southwest Medical University, Luzhou 646000, China
| | - Yuhong Chang
- Luzhou Center for Disease Control and Prevention, Luzhou 646000, China
| | - Yiting Chen
- School of Public Health, Southwest Medical University, Luzhou 646000, China
| | - Yanli Zou
- School of Public Health, Southwest Medical University, Luzhou 646000, China
| | - Xin Li
- School of Public Health, Southwest Medical University, Luzhou 646000, China
| | - Rong Zhang
- School of Public Health, Southwest Medical University, Luzhou 646000, China
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Six-year changes of posttraumatic stress symptoms and depressive symptoms among Chinese earthquake survivors: A network analysis. J Affect Disord 2022; 310:32-42. [PMID: 35525508 DOI: 10.1016/j.jad.2022.05.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/10/2022] [Revised: 04/21/2022] [Accepted: 05/02/2022] [Indexed: 11/22/2022]
Abstract
BACKGROUND The risk factors of Posttraumatic Stress Symptoms (PTSS) and depressive symptoms have been well-established, but whether the network structure of their symptoms changes over time remains unclear. This study aims to examine the six-year changes of network structure of PTSS and depressive symptoms among Wenchuan earthquake adult survivors in China. METHODS In this pooled cross-sectional study, respondents were sampled from the same population at each of the five waves (N = 1343, 1205, 1177, 1376, and 1339). The network structure of them was investigated using network analyses. RESULTS The study shows network connections stable across waves were the positive connections between hyperarousal and intrusions, hyperarousal and somatic symptoms, and two dimensions of positive effects. Stable negative connections were those between depressed affects and positive effects, avoidance and depressed affects, avoidance with interpersonal symptoms and avoidance with somatic symptoms. Across waves, fearful emotion consistently was the strongest bridge symptom connecting with PTSS symptoms. However, for PTSS the strongest bridge symptom varied across time as it was avoidance in wave 1 but were hyperarousal in other four waves. LIMITATIONS This study was based on a pooled cross-sectional survey, which inhibits conclusions regarding causal influences between symptoms at the individual patient level. CONCLUSIONS The network structure of PTSS and depressive symptoms was partly stable, yet also varied across survey waves. Core symptom clusters for PTSS and depressive symptoms were avoidance and depressed affect, respectively. The central role of these clusters in PTSS and depressive symptoms has important implications to future psychiatric programs.
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Brandão Neto W, Silva COD, Amorim RRTD, Aquino JMD, Almeida Filho AJD, Gomes BDMR, Monteiro EMLM. Formation of protagonist adolescents to prevent bullying in school contexts. Rev Bras Enferm 2020; 73 Suppl 1:e20190418. [PMID: 32667478 DOI: 10.1590/0034-7167-2019-0418] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2019] [Accepted: 10/07/2019] [Indexed: 11/22/2022] Open
Abstract
OBJECTIVE to develop a participative strategy of health education in the formative process of protagonist adolescents aimed at preventing school bullying. METHOD qualitative interventive-participatory research, based on the Community-Based Participatory Research and in the Culture Circles of Paulo Freire. The sample was intentional, with the participation of 12 adolescents who were considered leaders. For data production at the moment of educational intervention, observation techniques were employed with note-taking in a field diary, plus photographic and video records. RESULTS the pedagogical intervention model raised the opportunity for the adolescents' active participation, aiming at the development of skills that create pro-social behaviors, empathetic and assertive relations, which are able to face bullying and transform the school environment. Final considerations: the use of participative methodologies, in the youth protagonism perspective, has the potential to support educational practices of school nurses in collaboration and leadership of antibullying programs.
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Huh SY, Kim SG, Lee JS, Jung WY, Choi BS, Kim JH. A study on the school violence experience of children with attention-deficit hyperactivity disorder in the context of bullying. Asia Pac Psychiatry 2019; 11:e12353. [PMID: 30941893 DOI: 10.1111/appy.12353] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/05/2018] [Accepted: 02/21/2019] [Indexed: 11/29/2022]
Abstract
INTRODUCTION School violence causes harmful effects to victims. Harmful effects are likely to persist into adulthood. There are many studies about the relationship between attention-deficit hyperactivity disorder (ADHD) and school violence. But, there are few comparative studies dividing groups by the context of bullying and by the school grade. Therefore, this study will identify the differences between general students and patients with ADHD under treatment, creating two groups (one with experience of the perpetration of violence and one with victimization). METHODS This study was conducted by questionnaires that dealt with experiences of being a bully and being bulled at school in the past year as six items each. A 5-point Likert scale was used. The ADHD group was 49, and the general students group was 245. The data were compared using the chi-squared test. Statistical analysis was performed using SPSS version 24, with statistical significance at P < 0.05. RESULTS The ADHD group was significantly high who reported severely beating other people than the general group. Likewise, ADHD group who reported threatening other people was significantly higher than in the general group. However, for the remaining items, there was no significant difference between the ADHD group and the general student group. DISCUSSION Previous studies suggested that ADHD symptoms are major causes of both bullying and being the victim of bullying. However, in this study, ADHD patients have more being the victim of bullying experiences than general students. Further, a well-designed study will be needed to accurately evaluate the relationship between school violence and ADHD.
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Affiliation(s)
- Sung-Young Huh
- Department of Psychiatry, Pusan National University Yangsan Hospital, Yangsan, South Korea
| | - Sung-Gon Kim
- Department of Psychiatry, Pusan National University Yangsan Hospital, Yangsan, South Korea.,Department of Psychiatry, School of Medicine, Pusan National University, Yangsan, South Korea
| | - Jin-Sung Lee
- Department of Psychiatry, Pusan National University Yangsan Hospital, Yangsan, South Korea
| | - Woo-Young Jung
- Department of Psychiatry, Pusan National University Yangsan Hospital, Yangsan, South Korea
| | - Bum-Sung Choi
- Department of Psychiatry, Pusan National University Yangsan Hospital, Yangsan, South Korea
| | - Ji-Hoon Kim
- Department of Psychiatry, Pusan National University Yangsan Hospital, Yangsan, South Korea.,Department of Psychiatry, School of Medicine, Pusan National University, Yangsan, South Korea
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