Abstract:
:Peripheral blood brain-derived neurotrophic factor (BDNF) has been proposed as a potential biomarker related to disease activity and neuroprogression in bipolar disorder, speculated to mirror alterations in brain expression of BDNF. The research area is rapidly evolving; however, recent investigations have yielded conflicting results with substantial variation in outcomes, highlighting the need to critically assess the state of current evidence. The aims of the study were to investigate differences in peripheral blood BDNF concentrations between bipolar disorder patients and healthy control subjects and between affective states in bipolar disorder patients, including assessment of the effect of treatment of acute episodes on BDNF levels. A systematic review of English language studies without considering publication status was conducted in PubMed (January 1950-November 2014), Embase (1974-November 2014) and PsycINFO (1806-November 2014), and 35 studies comprising a total of 3798 participants were included in the meta-analysis. The results indicated that crude peripheral blood BDNF levels may be lower in bipolar disorder patients overall (Hedges' g=-0.28, 95% CI: -0.51 to -0.04, P=0.02) and in serum of manic (g=-0.77, 95% CI: -1.36 to -0.18, P=0.01) and depressed (g=-0.87, 95% CI: -1.42 to -0.32, P=0.002) bipolar disorder patients compared with healthy control subjects. No differences in peripheral BDNF levels were observed between affective states overall. Longer illness duration was associated with higher BDNF levels in bipolar disorder patients. Relatively low study quality, substantial unexplained between-study heterogeneity, potential bias in individual studies and indications of publication bias, was observed and studies were overall underpowered. It could thus not be excluded that identified differences between groups were due to factors not related to bipolar disorder. In conclusion, limitations in the evidence base prompt tempered conclusions regarding the role of peripheral BDNF as a biomarker in bipolar disorder and substantially improving the quality of further research is warranted.
journal_name
Mol Psychiatryjournal_title
Molecular psychiatryauthors
Munkholm K,Vinberg M,Kessing LVdoi
10.1038/mp.2015.54subject
Has Abstractpub_date
2016-02-01 00:00:00pages
216-28issue
2eissn
1359-4184issn
1476-5578pii
mp201554journal_volume
21pub_type
杂志文章,meta分析,评审abstract::Several epidemiological studies confirmed that Anxiety Disorders as a group are the most prevalent psychiatric conditions in the United States. The importance of these conditions is underlined by the fact that they cause significant disability, poor quality of life, alcohol and drug abuse. Anxiety disorders are treata...
journal_title:Molecular psychiatry
pub_type: 杂志文章,评审
doi:10.1038/sj.mp.4001852
更新日期:2006-09-01 00:00:00
abstract::Neurotrophic factors, particularly brain-derived neurotrophic factor (BDNF) and other members of the neurotrophin family, are central mediators of the activity-dependent plasticity through which environmental experiences, such as sensory information are translated into the structure and function of neuronal networks. ...
journal_title:Molecular psychiatry
pub_type: 杂志文章
doi:10.1038/mp.2017.61
更新日期:2017-08-01 00:00:00
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journal_title:Molecular psychiatry
pub_type: 杂志文章
doi:10.1038/mp.2016.195
更新日期:2018-02-01 00:00:00
abstract::A common polymorphism of the gene encoding acyl-coenzyme A: cholesterol acyltransferase 1 (SOAT1), which is involved in the regulation of beta-amyloid peptide generation, is associated with low brain amyloid load (P=0.03) and with low cerebrospinal fluid levels of cholesterol (P=0.005). This polymorphism of SOAT1 is a...
journal_title:Molecular psychiatry
pub_type: 杂志文章
doi:10.1038/sj.mp.4001296
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journal_title:Molecular psychiatry
pub_type: 杂志文章
doi:10.1038/sj.mp.4000777
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journal_title:Molecular psychiatry
pub_type: 杂志文章
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更新日期:2018-05-01 00:00:00
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journal_title:Molecular psychiatry
pub_type: 杂志文章
doi:10.1038/sj.mp.4000563
更新日期:2000-01-01 00:00:00
abstract::Folic acid supplementation confers modest benefit in schizophrenia, but its effectiveness is influenced by common genetic variants in the folate pathway that hinder conversion to its active form. We examined physiological and clinical effects of l-methylfolate, the fully reduced and bioactive form of folate, in schizo...
journal_title:Molecular psychiatry
pub_type: 杂志文章,随机对照试验
doi:10.1038/mp.2017.41
更新日期:2018-02-01 00:00:00
abstract::Endocannabinoids and their attending cannabinoid type 1 (CB1) receptor have been implicated in animal models of post-traumatic stress disorder (PTSD). However, their specific role has not been studied in people with PTSD. Herein, we present an in vivo imaging study using positron emission tomography (PET) and the CB1-...
journal_title:Molecular psychiatry
pub_type: 杂志文章
doi:10.1038/mp.2013.61
更新日期:2013-09-01 00:00:00
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journal_title:Molecular psychiatry
pub_type: 杂志文章
doi:10.1038/sj.mp.4001978
更新日期:2007-06-01 00:00:00
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journal_title:Molecular psychiatry
pub_type: 杂志文章
doi:10.1038/mp.2016.187
更新日期:2018-02-01 00:00:00
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journal_title:Molecular psychiatry
pub_type: 杂志文章,meta分析
doi:10.1038/mp.2016.231
更新日期:2018-02-01 00:00:00
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journal_title:Molecular psychiatry
pub_type: 杂志文章
doi:10.1038/sj.mp.4000564
更新日期:1999-07-01 00:00:00
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journal_title:Molecular psychiatry
pub_type: 杂志文章
doi:10.1038/s41380-018-0345-5
更新日期:2019-04-01 00:00:00
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journal_title:Molecular psychiatry
pub_type: 杂志文章
doi:10.1038/mp.2015.101
更新日期:2016-01-01 00:00:00
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journal_title:Molecular psychiatry
pub_type: 杂志文章
doi:10.1038/mp.2011.37
更新日期:2011-11-01 00:00:00
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journal_title:Molecular psychiatry
pub_type: 杂志文章
doi:10.1038/mp.2015.120
更新日期:2016-06-01 00:00:00
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journal_title:Molecular psychiatry
pub_type: 杂志文章,评审
doi:10.1038/mp.2016.166
更新日期:2017-01-01 00:00:00
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journal_title:Molecular psychiatry
pub_type: 杂志文章
doi:10.1038/s41380-019-0550-x
更新日期:2019-10-29 00:00:00
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journal_title:Molecular psychiatry
pub_type: 杂志文章
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更新日期:2014-02-01 00:00:00
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journal_title:Molecular psychiatry
pub_type: 杂志文章
doi:10.1038/s41380-018-0090-9
更新日期:2018-12-01 00:00:00
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pub_type: 杂志文章
doi:10.1038/s41380-018-0106-5
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pub_type: 杂志文章,评审
doi:10.1038/mp.2010.3
更新日期:2010-09-01 00:00:00
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journal_title:Molecular psychiatry
pub_type: 杂志文章
doi:10.1038/sj.mp.4001471
更新日期:2004-06-01 00:00:00
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journal_title:Molecular psychiatry
pub_type: 已发布勘误
doi:10.1038/s41380-020-00919-9
更新日期:2020-10-14 00:00:00
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pub_type: 杂志文章,评审
doi:10.1038/mp.2011.162
更新日期:2012-04-01 00:00:00
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journal_title:Molecular psychiatry
pub_type: 杂志文章
doi:10.1038/s41380-019-0443-z
更新日期:2020-11-01 00:00:00
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journal_title:Molecular psychiatry
pub_type: 杂志文章
doi:10.1038/mp.2008.141
更新日期:2010-07-01 00:00:00
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journal_title:Molecular psychiatry
pub_type: 杂志文章
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更新日期:2017-04-01 00:00:00
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journal_title:Molecular psychiatry
pub_type: 杂志文章,评审
doi:
更新日期:1996-12-01 00:00:00