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Zakaria WNA, Sasongko TH, Al-Rahbi B, Al-Sowayan N, Ahmad AH, Zakaria R, Ahmi A, Othman Z. Gene and schizophrenia in the pregenome and postgenome-wide association studies era: a bibliometric analysis and network visualization. Psychiatr Genet 2023; 33:37-49. [PMID: 36825838 DOI: 10.1097/ypg.0000000000000336] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/25/2023]
Abstract
This study aimed to perform a bibliometric analysis on genetic studies in schizophrenia in the pregenome-wide association studies (GWAS) and post-GWAS era. We searched the literature on genes and schizophrenia using the Scopus database. The documents increased with time, especially after the human genome project and International HapMap Project, with the highest citation in 2008. The top occurrence author keywords were discovered to be different in the pre-GWAS and post-GWAS eras, reflecting the progress of genetic studies connected to schizophrenia. Emerging keywords highlighted a trend towards an application of precision medicine, showing an interplay of environmental exposures as well as genetic factors in schizophrenia pathogenesis, progression, and response to therapy. In conclusion, the gene and schizophrenia literature has grown rapidly after the human genome project, and the temporal variation in the author keywords pattern reflects the trend of genetic studies related to schizophrenia in the pre-GWAS and post-GWAS era.
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Affiliation(s)
- Wan Nur Amalina Zakaria
- Human Genome Centre, School of Medical Sciences, Universiti Sains Malaysia Health Campus, Kota Bharu, Kelantan, Malaysia
| | - Teguh Haryo Sasongko
- Department of Physiology, School of Medicine, and Institute for Research, Development and Innovation, International Medical University, Kuala Lumpur, Malaysia
| | | | - Noorah Al-Sowayan
- Department of Biology, College of Science, Qassim University, Saudi Arabia
| | - Asma Hayati Ahmad
- Department of Physiology, School of Medical Sciences, Universiti Sains Malaysia, Kubang Kerian, Kelantan, Malaysia
| | - Rahimah Zakaria
- Department of Physiology, School of Medical Sciences, Universiti Sains Malaysia, Kubang Kerian, Kelantan, Malaysia
| | - Aidi Ahmi
- Tunku Puteri Intan Safinaz School of Accountancy, Universiti Utara Malaysia 06010 UUM Sintok, Kedah
| | - Zahiruddin Othman
- Department of Psychiatry, School of Medical Sciences, Universiti Sains Malaysia, Kubang Kerian, Kelantan, Malaysia
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Trimmel M, Amering M, Suessenbacher-Kessler S, Schrank B, Gmeiner A. Female researchers in high-impact psychiatric journals: What do they focus on? Front Psychiatry 2023; 14:1104683. [PMID: 36865074 PMCID: PMC9973523 DOI: 10.3389/fpsyt.2023.1104683] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/21/2022] [Accepted: 01/27/2023] [Indexed: 02/16/2023] Open
Abstract
The regular analysis of publication trends, including gender aspects, is an important contribution to the identification of gender-specific differences in academic psychiatry. The present study aimed to characterise publication topics in three high-impact psychiatric journals across three time points within 15 years (2004, 2014 and 2019). Publication patterns of female authors compared to their male colleagues were examined. All articles published in 2019 in the three high-impact psychiatry journals JAMA Psychiatry, British Journal of Psychiatry and American Journal of Psychiatry were included and compared with data from the 2004 and 2014 assessments. Descriptive statistics were calculated and Chi-square tests were performed. In 2019, a total of 473 articles were published, 49.5% were original research articles, of which 50.4% were published by female first authors. The results of this study showed a stable trend in the publication of research on mood disorders as well as schizophrenia and psychotic disorders in high-ranking psychiatric journals. Although the percentage of female first authors in the three most common target populations under study (mood disorders, schizophrenia and general mental health) increased from 2004 to 2019, gender equality has not yet been achieved in these fields. However, in the two most frequent subject matters, basic biological research and psychosocial epidemiology, the percentage of female first authors was more than 50%. Consistent monitoring of publication trends and gender distribution by researchers and journals in psychiatric research should be continued to identify and counteract the possibility of the underrepresentation of women in certain fields.
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Affiliation(s)
- Melanie Trimmel
- Clinical Division of Social Psychiatry, Department of Psychiatry and Psychotherapy, Medical University of Vienna, Vienna, Austria
| | - Michaela Amering
- Clinical Division of Social Psychiatry, Department of Psychiatry and Psychotherapy, Medical University of Vienna, Vienna, Austria
| | - Stefanie Suessenbacher-Kessler
- Clinical Division of Social Psychiatry, Department of Psychiatry and Psychotherapy, Medical University of Vienna, Vienna, Austria
| | - Beate Schrank
- Department of Adult Psychiatry, Karl Landsteiner University for Health Sciences, University Clinic Tulln, Tulln, Austria
| | - Andrea Gmeiner
- Clinical Division of Social Psychiatry, Department of Psychiatry and Psychotherapy, Medical University of Vienna, Vienna, Austria
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Chen MY, Zhang Q, Liu YF, Zheng WY, Si TL, Su Z, Cheung T, Jackson T, Li XH, Xiang YT. Schizophrenia and oxidative stress from the perspective of bibliometric analysis. Front Psychiatry 2023; 14:1145409. [PMID: 36923522 PMCID: PMC10008861 DOI: 10.3389/fpsyt.2023.1145409] [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: 01/16/2023] [Accepted: 02/06/2023] [Indexed: 03/01/2023] Open
Abstract
BACKGROUND A growing number of studies has implicated oxidative stress in the pathophysiology of psychiatric disorders including schizophrenia. The aim of this study was to explore the field of schizophrenia and oxidative stress-related research from a bibliometric perspective. METHODS All relevant publications on schizophrenia and oxidative stress were obtained from Web of Science Core Collection (WOSCC) database from its inception date to November 8, 2022. VOSviewer software was used to examine co-authorships and co-occurring keywords. R software was used to present the main characteristics of publications and cooperation frequency among countries. CiteSpace was used to investigate keywords with the strongest citation bursts. RESULTS A total of 3,510 publications on schizophrenia and oxidative stress were included. The United States had the largest number of publications (26.1%), and international collaborations. University of Melbourne was the most productive institution, while Schizophrenia Research was the most productive journal in this field. Apart from "schizophrenia" and "oxidative stress", the terms "prefrontal cortex", "brain" and "nitric oxide" were among the most frequently used keywords. CONCLUSIONS In conclusion, research on the association between oxidative stress and schizophrenia has received growing attention in the academic literature that is expected to continue its upward trajectory during the next two decades. Existing research suggests there has been a transition from research focused on pathways to animal models, and subsequently to clinical applications. Intervention studies on oxidative stress and schizophrenia are likely to be an important focus of related work in the near future.
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Affiliation(s)
- Meng-Yi Chen
- Unit of Psychiatry, Department of Public Health and Medicinal Administration, and Institute of Translational Medicine, Faculty of Health Sciences, University of Macau, Macau, Macao SAR, China.,Centre for Cognitive and Brain Sciences, University of Macau, Macau, Macao SAR, China
| | - Qinge Zhang
- The National Clinical Research Center for Mental Disorders and Beijing Key Laboratory of Mental Disorders, Beijing Anding Hospital & the Advanced Innovation Center for Human Brain Protection, Capital Medical University, Beijing, China
| | - Yu-Fei Liu
- Unit of Psychiatry, Department of Public Health and Medicinal Administration, and Institute of Translational Medicine, Faculty of Health Sciences, University of Macau, Macau, Macao SAR, China
| | - Wan-Ying Zheng
- Unit of Psychiatry, Department of Public Health and Medicinal Administration, and Institute of Translational Medicine, Faculty of Health Sciences, University of Macau, Macau, Macao SAR, China
| | - Tong Leong Si
- Unit of Psychiatry, Department of Public Health and Medicinal Administration, and Institute of Translational Medicine, Faculty of Health Sciences, University of Macau, Macau, Macao SAR, China
| | - Zhaohui Su
- School of Public Health, Southeast University, Nanjing, China
| | - Teris Cheung
- School of Nursing, Hong Kong Polytechnic University, Hong Kong, Hong Kong SAR, China
| | - Todd Jackson
- Department of Psychology, University of Macau, Macau, Macao SAR, China
| | - Xiao-Hong Li
- Peking University Huilongguan Clinical Medical School, Beijing Huilongguan Hospital, Beijing, China
| | - Yu-Tao Xiang
- Unit of Psychiatry, Department of Public Health and Medicinal Administration, and Institute of Translational Medicine, Faculty of Health Sciences, University of Macau, Macau, Macao SAR, China.,Centre for Cognitive and Brain Sciences, University of Macau, Macau, Macao SAR, China
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Sun HL, Bai W, Li XH, Huang H, Cui XL, Cheung T, Su ZH, Yuan Z, Ng CH, Xiang YT. Schizophrenia and Inflammation Research: A Bibliometric Analysis. Front Immunol 2022; 13:907851. [PMID: 35757702 PMCID: PMC9219580 DOI: 10.3389/fimmu.2022.907851] [Citation(s) in RCA: 46] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2022] [Accepted: 05/02/2022] [Indexed: 12/30/2022] Open
Abstract
Background Schizophrenia (SCZ) is a severe psychiatric disorder that involves inflammatory processes. The aim of this study was to explore the field of inflammation-related research in SCZ from a bibliometric perspective. Methods Regular and review articles on SCZ- and inflammation-related research were obtained from the Web of Science Core Collection (WOSCC) database from its inception to February 19, 2022. R package "bibliometrix" was used to summarize the main findings, count the occurrences of the top keywords, visualize the collaboration network between countries, and generate a three-field plot. VOSviewer software was applied to conduct both co-authorship and co-occurrence analyses. CiteSpace was used to identify the top references and keywords with the strongest citation burst. Results A total of 3,596 publications on SCZ and inflammation were included. Publications were mainly from the USA, China, and Germany. The highest number of publications was found in a list of relevant journals. Apart from "schizophrenia" and "inflammatory", the terms "bipolar disorder," "brain," and "meta-analysis" were also the most frequently used keywords. Conclusions This bibliometric study mapped out a fundamental knowledge structure consisting of countries, institutions, authors, journals, and articles in the research field of SCZ and inflammation over the past 30 years. The results provide a comprehensive perspective about the wider landscape of this research area.
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Affiliation(s)
- He-Li Sun
- Unit of Psychiatry, Department of Public Health and Medicinal Administration, & Institute of Translational Medicine, Faculty of Health Sciences, University of Macau, Macao, Macao SAR, China.,Centre for Cognitive and Brain Sciences, University of Macau, Macao, Macao SAR, China.,Institute of Advanced Studies in Humanities and Social Sciences, University of Macau, Macao, Macao SAR, China
| | - Wei Bai
- Unit of Psychiatry, Department of Public Health and Medicinal Administration, & Institute of Translational Medicine, Faculty of Health Sciences, University of Macau, Macao, Macao SAR, China.,Centre for Cognitive and Brain Sciences, University of Macau, Macao, Macao SAR, China.,Institute of Advanced Studies in Humanities and Social Sciences, University of Macau, Macao, Macao SAR, China
| | - Xiao-Hong Li
- The National Clinical Research Center for Mental Disorders & Beijing Key Laboratory of Mental Disorders, Beijing Anding Hospital & the Advanced Innovation Center for Human Brain Protection, Capital Medical University, Beijing, China
| | - Huanhuan Huang
- Department of Nursing, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Xi-Ling Cui
- Department of Business Administration, Hong Kong Shue Yan University, Hong Kong, Hong Kong SAR, China
| | - Teris Cheung
- School of Nursing, Hong Kong Polytechnic University, Hong Kong, Hong Kong SAR, China
| | - Zhao-Hui Su
- School of Public Health, Southeast University, Nanjing, China
| | - Zhen Yuan
- Unit of Psychiatry, Department of Public Health and Medicinal Administration, & Institute of Translational Medicine, Faculty of Health Sciences, University of Macau, Macao, Macao SAR, China
| | - Chee H Ng
- Department of Psychiatry, The Melbourne Clinic and St Vincent's Hospital, University of Melbourne, Richmond, VIC, Australia
| | - Yu-Tao Xiang
- Unit of Psychiatry, Department of Public Health and Medicinal Administration, & Institute of Translational Medicine, Faculty of Health Sciences, University of Macau, Macao, Macao SAR, China.,Centre for Cognitive and Brain Sciences, University of Macau, Macao, Macao SAR, China.,Institute of Advanced Studies in Humanities and Social Sciences, University of Macau, Macao, Macao SAR, China
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Konar NM, Karaismailoglu S, Karaismailoglu E. Status and trends of personalized medicine research from 2000 to 2020: a bibliometric analysis. Curr Med Res Opin 2022; 38:837-846. [PMID: 35274582 DOI: 10.1080/03007995.2022.2052515] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
BACKGROUND Personalized medicine (PM), as a rapidly growing research area, provides treatments, practices, and interventions being adapted to an individual patient based on his own risk of disease. This study aims to analyze the productivity of countries, institutions, and authors in this field, to determine the existing research trends worldwide, and to forecast future research activity for specific countries. METHODS Documents published between 2000 and 2020 were retrieved from the Web of Science (WoS) database. Bibliometric analysis was performed to assess the outputs, correlation analysis was applied to analyze the relationship between Gross Domestic Product per capita (GDP-PP) and the number of publications, and an extrapolation method was used for predicting the future productivity trends for certain countries. RESULTS A total of 7,772 documents were published globally on PM between 2000 and 2020. The most productive country, journal, and institution are the USA, Personalized Medicine, and Harvard Medical School, respectively. The USA is also first in line in terms of total citations. Netherlands, Denmark, and the USA are listed at the top in terms of the total number of papers and citations, after adjusting for GDP-PP and population size. Also, as predictions suggest, the USA will maintain its predominant role in the PM field in the next 5 years. CONCLUSIONS Owing to its both interdisciplinary and multidisciplinary nature, PM bestows researchers' numerous sources to benefit and enables them a field that they can be productive of for the future. Therefore, this field is expected to progress and be the lead area in medicine in the upcoming years.
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Affiliation(s)
- Naime Meric Konar
- Department of Biostatistics and Medical Informatics, Faculty of Medicine, Kirsehir Ahi Evran University, Kirsehir, Turkey
| | | | - Eda Karaismailoglu
- Department of Medical Informatics, Gulhane Faculty of Medicine, University of Health Sciences, Ankara, Turkey
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Tian C, Duan L, Fu C, He J, Dai J, Zhu G. Study on the Correlation Between Iris Characteristics and Schizophrenia. Neuropsychiatr Dis Treat 2022; 18:811-820. [PMID: 35431547 PMCID: PMC9005354 DOI: 10.2147/ndt.s361614] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/15/2022] [Accepted: 04/01/2022] [Indexed: 11/23/2022] Open
Abstract
BACKGROUND Recently, researchers have conducted many studies on the potential contribution of the retina and other eye structures on schizophrenia. This study aimed to evaluate differences in iris characteristics between patients with schizophrenia and healthy individuals so as to find more easily accessible and easily measurable biomarkers with a view to improving clinical assessments and furthering our understanding of the disease. METHODS Overall, 80 patients with schizophrenia and 52 healthy individuals were included in the case group and the control group, respectively. Iris images were collected from all subjects to compare differences in the structure and color of the iris. The Positive and Negative Symptom Scale (PANSS) and the Modified Overt Aggression Scale (MOAS) were used to evaluate the clinical symptoms and characteristics of 45 first-episode untreated schizophrenics, and analyzed correlations between iris characteristics and schizophrenia symptoms. RESULTS There were significant differences in iris crypts (P<0.05) and pigment spots (P<0.01) between the case and control group, but no significant difference was found in iris wrinkles (P<0.05). The logistic regression analysis demonstrated that the total iris crypts [odds ratio (OR) 1.166, 95% confidence interval (CI) 1.022-1.330] and total iris pigment spots (OR 1.815, 95% CI 1.186-2.775) increased the risk of suffering from schizophrenia. Furthermore, it was demonstrated that the number of iris crypts was positively associated with the MOAS score (r=0.474, P<0.01). Moreover, the number of the iris pigment spots (r=0.395, P<0.01) and wrinkles (r=0.309, P<0.05) were positively correlated with the subjects' negative symptom scores, respectively. CONCLUSION Iris crypts and pigment spots were identified as potential biomarkers for detecting schizophrenia. In patients with first-episode untreated schizophrenia, iris characteristics may help psychiatrists to identify the illness and its severity, and to detect characteristic clinical symptoms.
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Affiliation(s)
- Chunsheng Tian
- Department of Psychiatry, The First Affiliated Hospital of China Medical University, Shenyang, 110001, People's Republic of China.,Shenyang Mental Health Center, Shenyang, 110168, People's Republic of China
| | - Li Duan
- Department of Psychiatry, The First Affiliated Hospital of China Medical University, Shenyang, 110001, People's Republic of China.,School of Nursing, Chengde Medical University, Chengde, 067000, People's Republic of China
| | - Chunfeng Fu
- Department of Psychiatry, The First Affiliated Hospital of China Medical University, Shenyang, 110001, People's Republic of China
| | - Juan He
- Department of Psychiatry, The First Affiliated Hospital of China Medical University, Shenyang, 110001, People's Republic of China
| | - Jiali Dai
- Department of Psychiatry, The First Affiliated Hospital of China Medical University, Shenyang, 110001, People's Republic of China
| | - Gang Zhu
- Department of Psychiatry, The First Affiliated Hospital of China Medical University, Shenyang, 110001, People's Republic of China
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Meng YL, Ren LJ, Yin SW. Bibliometric analysis of research hotspots and development trends in selective fetal reduction. J Obstet Gynaecol Res 2021; 47:1694-1703. [PMID: 33634542 DOI: 10.1111/jog.14721] [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: 09/28/2020] [Revised: 01/03/2021] [Accepted: 02/05/2021] [Indexed: 10/22/2022]
Abstract
AIM To evaluate the theme trends and knowledge structure of multifetal pregnancy reduction (MPR)-related literature by using bibliometric analysis. METHODS Published scientific papers regarding MPR were retrieved from the PubMed database. Data extraction and statistics were conducted using Bibliographic Item Co-Occurrence Matrix Builder (BICOMB). Furthermore, gCLUTO software was used in the study for bi-clustering analysis and strategic diagram analysis. RESULTS According to the search strategy, 906 total papers were included. Among all the extracted MeSH terms, 41 high frequency ones were identified and hotspots were clustered into four categories. In the strategic diagram, research on intrauterine treatment of MPR was most well developed. In contrast, statistical data on the sequelae of fetal reduction surgery and applications of MPR in assisted reproductive technologies were relatively immature. CONCLUSION The analysis of common terms among the high-frequency network terms in multiparous pregnancy reduction can help researchers and clinicians understand the hotspots, key topics, and issues to be discovered on MPR. Research on intrauterine treatment of MPR was most well developed.
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Affiliation(s)
- Yi L Meng
- Department of Gynecology and Obstetrics, Shengjing Hospital of China Medical University, Key Laboratory of Maternal-Fetal Medicine of Liaoning Province, Shenyang, Liaoning Province, China
| | - Li J Ren
- Department of Gynecology and Obstetrics, Shengjing Hospital of China Medical University, Key Laboratory of Maternal-Fetal Medicine of Liaoning Province, Shenyang, Liaoning Province, China
| | - Shao W Yin
- Department of Gynecology and Obstetrics, Shengjing Hospital of China Medical University, Key Laboratory of Maternal-Fetal Medicine of Liaoning Province, Shenyang, Liaoning Province, China
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Grover S, Gupta BM, Dhawan SM. Schizophrenia research in India: A scientometric assessmentof India's publications during 1990-2019. Asian J Psychiatr 2021; 56:102521. [PMID: 33421694 DOI: 10.1016/j.ajp.2020.102521] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/04/2020] [Revised: 12/09/2020] [Accepted: 12/10/2020] [Indexed: 11/29/2022]
Abstract
The present study examined India's publications (2803) on schizophrenia, using various bibliometric indicators during 1990-2019. The study focuses on the number of publications, and citations received by the papers on schizophrenia, published by authors affiliated to Indian institutes by using Scopus data base. Additionally, an attempt was made to evaluate the performance of India's leading organizations and authors, and inter-collaborative linkages between them. Scopus database include publications of Indian Journal of Psychiatry and Indian Journal of Psychological Medicine from 2009 and 2011. Accordingly, the publications in these journals were included after these years. Analysis of the publications showed that India is globally ranked at 13th position in number of publications on schizophrenia with 2.04 % global share, depicting 14.21 % annual growth, with 22.8 % of publications having international collaboration. Publications from India published during the period of 1990-2019, registered a citation impact per paper (CPP) of 13.3. National Institute of Mental Health and Neurosciences, Bangalore (671 papers), Post Graduate Institute of Medical Education and Research, Chandigarh (271 papers) and Central Instittue of Psychiatry, Ranchi (136 papers) were the most productive institutes. However, the most impactful organizations in terms of citation per paper (CPP) and relative citation index (RCI), Indian Institute of Science, Bangalore (77.27 CPP and 5.78 RCI), Schizophrenia Research Foundation, Chennai (31.16 CPP and 2.55 RCI) and Banaras Hindu University, Varanasi (29.21 CPP and 2.18 RCI) were at the top. In terms of Individual authors, G. Venkatasubramanian (180 papers), and B.N. Gangadhar (162 papers) were the most productive authors and R.Thara (31.87 CPP and 2.38 RCI), B.K. Thelma (24.0 CPP and 1.8 RCI), M.S. Keshavan (23.91 CPP and 1.79 RCI) were the most impactful authors, among the top 15 authors. The journals which reported comparatively higher productivity for Indian publications included Indian Journal of Psychiatry (242 papers), followed by Asian Journal of Psychiatry (214 papers) and Indian Journal of Psychological Medicine (103 papers). In terms of most impactful Indian publications, these were published in The Lancet (97.7), Progress in Neuro Psychopharmacology & Biological Psychiatry (50) and Schizophrenia Bulletin (44.67).
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Affiliation(s)
- Sandeep Grover
- Department of Psychiatry, Post Graduate Institute of Medical Education and Research, Chandigarh
| | - B M Gupta
- Formerly with CSIR-NISTADS, New Delhi, 11012, India.
| | - S M Dhawan
- Formerly with CSIR-NPL, New Delhi, 11012, India.
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