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Prevalence of prolonged grief disorder and its symptoms among bereaved individuals in China:a systematic review and meta-analysis

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General Psychiatry 2024年第2期37卷 177-188页

作者： Meng-Di Yuan Jun-Fa Liu Bao-Liang Zhong research Center for Psychological and health Sciences China University of Geosciences(Wuhan)WuhanHubeiChina Department of Psychiatry Wuhan Mental Health CentreWuhanHubeiChina

Background The prevalence of prolonged grief disorder(PGD)and its symptoms among the bereaved population in China vary considerably.Aims This meta-analysis aims to estimate the prevalence of PGD and its symptoms among bereaved individuals in China.Methods We conducted a literature search in major Chinese and English databases from their inception to 4 October 2023,for cross-sectional studies on the prevalence of PGD or its symptoms in bereaved Chinese individuals.The risk of bias of the included studies and certainty of the evidence were assessed using the Joanna Briggs Institute Critical Appraisal Checklist for Studies Reporting Prevalence Data(‘JBI checklist’)and the Grading of Recommendations,Assessment,Development and Evaluations(GRADE),respectively.The‘metaprop’package in R V.4.1.2 was used to synthesise the prevalence.Results A total of 28 studies involving 10994 bereaved individuals were included in the analysis,with JBI checklist scores between 3 and 7.The combined prevalence(95%confidence interval)of PGD and its symptoms was 8.9%(4.2%to 17.6%)and 32.4%(18.2%to 50.8%),respectively.PGD and its symptoms were most prevalent among those who had lost their only child(22.7%)and those bereaved by earthquakes(80.4%),respectively.The GRADE system assigned a very low certainty level to the evidence for the pooled prevalence of PGD and its symptoms.Conclusions The pooled prevalence of PGD and its symptoms indicate a potential high need for grief counselling services among bereaved individuals in China.This need is particularly pronounced in those who have lost their only child and those bereaved due to earthquakes.Further methodologically rigorous studies are needed to provide more accurate prevalence estimates.PROSPERO registration number CRD42023432553.

关键词： symptoms prevalence analysis

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Advances in functional MRI research in bipolar disorder:from the perspective of mood states

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General Psychiatry 2024年第1期37卷 33-43页

作者： Yankun Wu Yun-Ai Su Linlin Zhu Jitao Li Tianmei Si Department of Clinical Psychopharmacology Peking University Sixth HospitalPeking University Institute of Mental HealthNHC Key Laboratory of Mental Health(Peking University)National Clinical Research Center for Mental Disorders(Peking University Sixth Hospital)BeijingChina Peking University Sixth Hospital Peking University Institute of Mental HealthNHC Key Laboratoryof Mental Health(Peking University)National Clinical Research Centerfor Mental Disorders(Peking University Sixth Hospital)BeijingChina

Bipolar disorder is characterised by recurrent and alternating episodes of mania/hypomania and depression.Current breakthroughs in functional MRI techniques have uncovered the functional neuroanatomy of bipolar disorder.However,the pathophysiology underlying mood instability,mood switching and the development of extreme mood states is less well understood.This reviewpresents a comprehensive overviewof current evidence from functional MRI studies from the perspective of mood states.We first summarise the disrupted brain activation patterns and functional connectivity that have been reported in bipolar disorder,irrespective of the mood state.We next focus on research that solely included patients in a single mood state for a better understanding of the pathophysiology of bipolar disorder and research comparing patients with different mood states to dissect mood state-related effects.Finally,we briefly summarise current theoretical models and conclude this review by proposing potential avenues for future research.A comprehensive understanding of the pathophysiology with consideration of mood states could not only deepen our understanding of how acute mood episodes develop at a neurophysiological level but could also facilitate the identification of biological targets for personalised treatment and the development of new interventions for bipolar disorder.

关键词： anatomy bipolar functional

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Network analysis of suicide ideation and depression-anxiety symptoms among Chinese adolescents

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General Psychiatry 2024年第2期37卷 216-223页

作者： Shuyin Xu Yumeng Ju Xiyu Wei Wenwen Ou Mohan Ma Guanyi Lv Xiaotian Zhao Yaqi Qin Yunjing Li Liang Li Mei Huang Siqi Yang Yimei Lu Yafei Chen Junwu Liu Jin Liu Bangshan Liu Yan Zhang Department of Psychiatry National Clinical Research Center for Mental Disordersand National Center for Mental DisordersThe Second Xiangya Hospital of Central South UniversityChangshaHunanChina mental health Institute of Central South University China National Technology Institute on Mental DisordersHunan Technology Institute of PsychiatryHunan Key Laboratory of Psychiatry and Mental HealthHunan Medical Center for Mental HealthChangshaHunanChina

Background The co-occurrence of depression and anxiety among adolescents is typically associated with suicide ideation.Aims The study aimed to investigate the symptom-level relationship between suicide ideation and the comorbidity of depression and anxiety.Methods 1501 adolescents aged 12-19 years were assessed using the Patient health Questionnaire(PHQ-9)and the Generalized Anxiety Disorder Scale,and 716 adolescents who scored≥5 on both scales were selected as participants.Network analysis was used to identify the network structure of depressive symptoms and anxiety symptoms.Participants were categorised into either the suicide ideation or non-suicide ideation groups based on their scoring on the suicide-related item in PHQ-9.A comparison was made between the depression-anxiety symptom networks of the two groups.Results‘Restlessness’,‘sad mood’and‘trouble relaxing’were the most prominent central symptoms in the depression-anxiety symptom network,and‘restlessness’,‘nervousness’and‘reduced movement’were the bridge symptoms in this network.‘Sad mood’was found to be directly related to‘suicide ideation’with the highest variance.The network structure was significantly different in properties between the suicide ideation group and the non-suicide ideation group,with‘restlessness’and‘sad mood’exhibiting significantly higher influence in the network of the suicide ideation group than that in the non-suicide ideation group.Conclusion Restlessness and sad mood could be targeted for the intervention of depression-anxiety symptoms among adolescents with suicide ideation.

关键词： symptoms adolescent assessed

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Pregnancy stressors and postpartum symptoms of depression and anxiety:the moderating role of a cognitivebehavioural therapy(CBT)intervention

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General Psychiatry 2024年第1期37卷 112-121页

作者： Yunxiang Sun Soim Park Abid Malik Najia Atif Ahmed Zaidi Atif Rahman Pamela J Surkan Department of International health Johns Hopkins University Bloomberg School of Public HealthBaltimoreMarylandUSA Department of Public mental health Health Services AcademyIslamabadPakistan Human Development research Foundation RawalpindiPakistan Department of Primary Care and mental health Institute of Population HealthUniversity of LiverpoolLiverpoolUK

Background Little is known about the association between stressors(especially positive stressors)during pregnancy and postpartum depression and anxiety.Aims We investigated the association between positive and negative stress events during different stages of pregnancy and postpartum mental health outcomes among low-income pregnant women with symptoms of anxiety in Pakistan and evaluated whether an intervention based on cognitive behavioural therapy(CBT)had a regulatory effect.Methods Participants were 621 pregnant Pakistani women with mild anxiety.Using the Pregnancy Experience Scale-Brief Version,six scores were created to assess positive and negative stressors.We performed a multivariate linear regression to examine whether these six scores,measured both at baseline and in the third trimester,were associated with postpartum anxiety and depressive symptoms.The effect of the intervention on this relationship was examined by adding an interaction term to the regression model.Results Hassles frequency measured in the third trimester was positively associated with depression(B=0.22,95%confidence interval(Cl):0.09 to 0.36)and anxiety(B=0.19,95%Cl:0.08to 0.30).At the same timepoint,uplifts intensity was negatively associated with symptoms of depression(B=-0.82,95%Cl:1.46 to-0.18)and anxiety(B=-0.70,95%Cl:-1.25 to-0.15),whereas hassles intensity was positively related to symptoms of depression(B=1.02,95%Cl:0.36 to 1.67)and anxiety(B=0.90,95%Cl:0.34 to 1.47).The intensity ratio of hassles to uplifts reported in the third trimester was positively related to both depression(B=1.40,95%Cl:0.59 to 2.20)and anxiety(B=1.26,95%Cl:0.57 to 1.96).The intervention strengthened the overall positive effects of uplfts and the negative effects of hassles.Pregnancy experiences at baseline during early pregnancy to mid-pregnancy were not associated with mental health outcomes.Conclusions Stressors in the third trimester but not earlier in pregnancy were associated with postpartum symptoms of anxiety and depression.The CBT intervention m

关键词： postpartum stress behaviour

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Gut microbiota-derived short-chain fatty acids and depression:deep insight into biological mechanisms and potential

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General Psychiatry 2024年第1期37卷 17-32页

作者： Junzhe Cheng Hongkun Hu Yumeng Ju Jin Liu Mi Wang Bangshan Liu Yan Zhang Department of Psychiatry National Clinical Research Center for Mental DisordersSecond Xiangya Hospital of Central South UniversityChangshaHunanChina Clinical Medicine Eight-Year Program Xiangya School of MedicineCentral South UniversityChangshaHunanChina mental health Institute of Central South University China National Technology Institute on Mental DisordersHunan Key Laboratory of Psychiatry and Mental HealthHunan Medical Center for Mental HealthChangshaHunanChina Department of mental health Center Xiangya Hospital of Central South UniversityChangshaHunanChina

The gut microbiota is a complex and dynamic ecosystem known as the second brain'.Composing the microbiota-gut-brain axis,the gut microbiota and its metabolites regulate the central nervous system through neural,endocrine and immune pathways to ensure the normal functioning of the organism,tuning individuals'health and disease status.Short-chain fatty acids(SCFAs),the main bioactive metabolites of the gut microbiota,are involved in several neuropsychiatric disorders,including depression.SCFAs have essential effects on each component of the microbiota-gut-brain axis in depression.In the present review,the roles of major SCFAs(acetate,propionate and butyrate)in the pathophysiology of depression are summarised with respect to chronic cerebral hypoperfusion,neuroinflammation,host epigenome and neuroendocrine alterations.Concluding remarks on the biological mechanisms related to gut microbiota will hopefully address the clinical value of microbiota-related treatments for depression.

关键词： alterations inflammation perfusion

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Long non-coding RNAs with essential roles in neurodegenerative disorders

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Neural Regeneration research 2024年第6期19卷 1212-1220页

作者： Wandi Xiong Lin Lu Jiali Li Key Laboratory of Animal Models and Human Disease Mechanisms of Chinese Academy of Sciences & Yunnan Province Kunming Institute of Zoology the Chinese Academy of Sciences Tsinghua-Peking Center for Life Sciences National Institute on Drug Dependence Peking University PKU/McGovern Institute for Brain research Peking University Institute of mental health National Clinical Research Center for Mental Disorders Key Laboratory of Mental Health and Peking University Sixth Hospital Peking University

Recently, with the advent of high-resolution and high-throughput sequencing technologies, an increasing number of long non-coding RNAs(lncRNAs) have been found to be involved in the regulation of neuronal function in the central nervous system with specific spatiotemporal patterns, across different neurodegenerative diseases. However, the underlying mechanisms of lncRNAs during neurodegeneration remain poorly understood. This review provides an overview of the current knowledge of the biology of lncRNAs and focuses on introducing the latest identified roles, regulatory mechanisms, and research status of lncRNAs in Alzheimer’s disease, Parkinson’s disease, Huntington’s disease, and amyotrophic lateral sclerosis. Finally, this review discusses the potential values of lncRNAs as diagnostic biomarkers and therapeutic targets for neurodegenerative diseases, hoping to provide broader implications for developing effective treatments.

关键词： Alzheimer’s disease amyotrophic lateral sclerosis biomarker Huntington’s disease long non-coding RNAs neurodegenerative diseases Parkinson’s disease therapy transcriptional regulation translational regulation

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Predictors of the placebo response in a nutraceutical randomized controlled trial for depression

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Journal of Integrative Medicine 2024年第1期22卷 46-53页

作者： Rosemary Arnold Jenifer Murphy-Smith Chee H.Ng David Mischoulon Gerard J.Byrne Chad A.Bousman Con Stough Michael Berk Jerome Sarris Professorial Unit the Melbourne ClinicDepartment of PsychiatryUniversity of MelbourneRichmond 3121Australia Depression Clinical and research Program Department of PsychiatryMassachusetts General HospitalHarvard Medical SchoolBostonMA 02115USA Faculty of Medicine Discipline of PsychiatryCentre for Clinical ResearchRoyal Brisbane&Women’s HospitalHerstonthe University of QueenslandBrisbane 4006Australia Departments of Medical Genetics PsychiatryPhysiology&Pharmacology and Community Health SciencesUniversity of CalgaryCalgaryAB T2N 1N4Canada Department of Psychiatry the University of MelbourneMelbourne 3052Australia centre for Human Psychopharmacology Swinburne UniversityMelbourne 3122Australia The Institute for mental and Physical health and Clinical Translation School of MedicineBarwon HealthDeakin UniversityGeelong 3220Australia The centre of Excellence in Youth mental health the University of MelbourneParkville 3052Australia Florey Institute of Neuroscience and mental health the University of MelbourneParkville 3052Australia NICM health research Institute Western Sydney UniversityWestmeadNSW 2145Australia

Objective The placebo response in depression studies is the change in symptoms amongst those who receive an inactive treatment.Many well-designed randomized controlled trials(RCTs)of depression have a high proportion of placebo responders,with little understanding as to why.The present study assesses characteristics associated with the placebo response in a nutraceutical trial with a large proportion of placebo responders.Methods This is a secondary analysis of a nutraceutical depression RCT which identified no overall treatment benefit relative to placebo(n=69 in placebo group).We investigated participant characteristics such as socio-demographics,clinical features,and recruitment methods,and their association with the placebo response.Monoaminergic genetic polymorphisms were also assessed.Placebo response was measured based on change in Montgomery-Asberg Depression Rating Scale score.The association of these hypothesis-driven variables of interest and the placebo response was examined using linear mixed effects models.Results Greater levels of education,particularly pursuing post-high school education,better self-reported general health,marriage/de facto,greater improvement in the first trial week,and more failed antidepressant therapies in the current depressive episode were associated with greater placebo response.An increased placebo response was not found in those recruited via social media nor in those with concomitant antidepressant therapy.Single nucleotide polymorphisms from the tryptophan hydroxylase 1(TPH1)gene(A779C and A218C)were weakly associated with greater placebo response,although the evidence was attenuated after accounting for multiple comparisons.Conclusion This is,to our knowledge,the first study within nutraceutical research for depression to assess the association between participant characteristics and variation in the placebo response.Several variables appeared to predict the placebo response.Such findings may encourage future trial designs which could dampen placebo response,improve as

关键词： Randomized controlled trial Placebo Depression Nutraceutical Psychiatry

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Molecular biomarkers for vascular cognitive impairment and dementia:the current status and directions for the future

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Neural Regeneration research 2024年第12期19卷 2579-2580页

作者： Satoshi Hosoki Perminder SSachdev centre for healthy Brain Ageing Discipline of Psychiatry and Mental HealthSchool of Clinical MedicineFaculty of Medicine and HealthUniversity of New South WalesSydneyAustralia Department of Neurology National Cerebral and Cardiovascular CenterOsakaJapan

Dementia is a syndrome with various underlying pathologies acting independently or in concert to cause cognitive dysfunction.The development of disease-specific treatments and targeted prevention strategies requires precise clinical sub-typing via etiology and pathophysiological processes.Furthermore,recent research advances in biomarkers,especially for Alzheimer's disease(AD)diagnosis,have improved diagnostic precision for dementia.

关键词： prevention diagnosis impairment

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Global,regional and national burdens of bipolar disorders in adolescents and young adults:a trend analysis from 1990 to 2019

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General Psychiatry 2024年第1期37卷 122-132页

作者： Yunxi Zhong Yifan Chen Xiaoying Su Meiqi Wang Qixiu Li Ziming Shao Long Sun centre for health Management and Policy research School of Public HealthCheeloo College of MedicineShandong UniversityJinanShandongChina National health Commission of China(NHC)Key Laboratory of health Economics and Policy research Shandong UniversityJinanShandongChina nstitute of health and Elderly Care Shandong UniversityJinanShandongChina

Background Bipolar disorder is identified as a cause of severe damage to the physical,psychological and social functioning of adolescents and young adults.Aims The aim of this study is to ascertain the trends in the burden of bipolar disorder among individuals aged 10-24 years at global,regional and national levels from 1990 to 2019.Methods The data analysed in this study were from the Global Burden of Diseases 2019.The numbers,rates per 100000 population,average annual percentage changes(AAPCs)of incidence,prevalence and years lived with disability(YLDs)of bipolar disorder are reported at the global,regional and national levels among individuals aged 10-24 years.Global trends by age,sex and Social Development Index(SDI)were further analysed.Results Globally,the incidence of bipolar disorder among adolescents and young adults increased from 79.21 per 100000 population(95%uncertainty interval(Ul):58.13 to 105.15)in 1990 to 84.97 per 100000 population(95%Ul:61.73 to 113.46)in 2019,AAPC 0.24(95%confidence interval(Cl):0.22 to 0.26).In the past three decades,there has been an increase in incidence,prevalence and YLDs in both males and females.The largest increase in incidence between 1990 and 2019 was observed in those aged 20-24 years old from 51.76 per 100000 population(95%Ul:26.81 to 87.20)in 1990 to 58.37 per 100000 population(95%UI:30.39 to 98.55)in 2019;AAPC 0.42(95%Cl:0.38 to 0.47).By the SDI quintile,the largest increase in incidence was observed in the middle SDl;however,the high SDI countries had the highest incidence.Regionally,the largest increase in incidence was observed in southern Latin America.At the national level,the most pronounced increase in the incidence was in Greenland.Conclusions The global increase in incidence among adolescents and young adults between 1990 and 2019 indicates that strategies to improve their mental health still need to be emphasised.

关键词： adolescent bipolar young

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GIPC1 promotes tumor growth and migration in gastric cancer via activating PDGFR/PI3K/AKT signaling

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Oncology research 2024年第2期32卷 361-371页

作者： TINGTING LI WEI ZHONG LIU YANG ZHIYU ZHAO LI WANG CONG LIU WANYUN LI HAIYAN LV SHENGYU WANG JIANGHUA YAN TING WU GANG SONG FANGHONG LUO Cancer research Center School of MedicineXiamen UniversityXiamen361000China Department of Pharmacy Xiamen Mental Health CenterXiamen Xianyue HospitalXiamen361000China

The high mortality rate associated with gastric cancer(GC)has resulted in an urgent need to identify novel therapeutic targets for GC.This study aimed to investigate whether GAIP interacting protein,C terminus 1(GIPC1)represents a therapeutic target and its regulating mechanism in GC.GIPC1 expression was elevated in GC tissues,liver metastasis tissues,and lymph node metastases.GIPC1 knockdown or GIPC1 blocking peptide blocked the platelet-derived growth factor receptor(PDGFR)/PI3K/AKT signaling pathway,and inhibited the proliferation and migration of GC cells.Conversely,GIPC1 overexpression markedly activated the PDGFR/PI3K/AKT signaling pathway,and promoted GC cell proliferation and migration.Furthermore,platelet-derived growth factor subunit BB(PDGF-BB)cytokines and the AKT inhibitor attenuated the effect of differential GIPC1 expression.Moreover,GIPC1 silencing decreased tumor growth and migration in BALB/c nude mice,while GIPC1 overexpression had contrasting effects.Taken together,our findings suggest that GIPC1 functions as an oncogene in GC and plays a central role in regulating cell proliferation and migration via the PDGFR/PI3K/AKT signaling pathway.

关键词： GIPC1 PDGFR Gastric cancer Proliferation Migration

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