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Keszler G, Vékony B, Elek Z, Nemoda Z, Angyal N, Bánlaki Z, Kovács-Nagy R, Rónai Z, Réthelyi JM. MicroRNA-Mediated Suppression of Glial Cell Line-Derived Neurotrophic Factor Expression Is Modulated by a Schizophrenia-Associated Non-Coding Polymorphism. Int J Mol Sci 2024; 25:4477. [PMID: 38674063 PMCID: PMC11050407 DOI: 10.3390/ijms25084477] [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: 02/29/2024] [Revised: 04/15/2024] [Accepted: 04/17/2024] [Indexed: 04/28/2024] Open
Abstract
Plasma levels of glial cell line-derived neurotrophic factor (GDNF), a pivotal regulator of differentiation and survival of dopaminergic neurons, are reportedly decreased in schizophrenia. To explore the involvement of GDNF in the pathogenesis of the disease, a case-control association analysis was performed between five non-coding single nucleotide polymorphisms (SNP) across the GDNF gene and schizophrenia. Of them, the 'G' allele of the rs11111 SNP located in the 3' untranslated region (3'-UTR) of the gene was found to associate with schizophrenia. In silico analysis revealed that the rs11111 'G' allele might create binding sites for three microRNA (miRNA) species. To explore the significance of this polymorphism, transient co-transfection assays were performed in human embryonic kidney 293T (HEK293T) cells with a luciferase reporter construct harboring either the 'A' or 'G' allele of the 3'-UTR of GDNF in combination with the hsa-miR-1185-1-3p pre-miRNA. It was demonstrated that in the presence of the rs11111 'G' (but not the 'A') allele, hsa-miR-1185-2-3p repressed luciferase activity in a dose-dependent manner. Deletion of the miRNA binding site or its substitution with the complementary sequence abrogated the modulatory effect. Our results imply that the rs11111 'G' allele occurring more frequently in patients with schizophrenia might downregulate GDNF expression in a miRNA-dependent fashion.
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Affiliation(s)
- Gergely Keszler
- Department of Molecular Biology, Institute of Biochemistry and Molecular Biology, Semmelweis University, 1094 Budapest, Hungary; (Z.E.); (Z.N.); (N.A.); (Z.B.); (R.K.-N.); (Z.R.)
| | - Bálint Vékony
- Doctoral School, Semmelweis University, 1085 Budapest, Hungary;
| | - Zsuzsanna Elek
- Department of Molecular Biology, Institute of Biochemistry and Molecular Biology, Semmelweis University, 1094 Budapest, Hungary; (Z.E.); (Z.N.); (N.A.); (Z.B.); (R.K.-N.); (Z.R.)
| | - Zsófia Nemoda
- Department of Molecular Biology, Institute of Biochemistry and Molecular Biology, Semmelweis University, 1094 Budapest, Hungary; (Z.E.); (Z.N.); (N.A.); (Z.B.); (R.K.-N.); (Z.R.)
| | - Nóra Angyal
- Department of Molecular Biology, Institute of Biochemistry and Molecular Biology, Semmelweis University, 1094 Budapest, Hungary; (Z.E.); (Z.N.); (N.A.); (Z.B.); (R.K.-N.); (Z.R.)
| | - Zsófia Bánlaki
- Department of Molecular Biology, Institute of Biochemistry and Molecular Biology, Semmelweis University, 1094 Budapest, Hungary; (Z.E.); (Z.N.); (N.A.); (Z.B.); (R.K.-N.); (Z.R.)
| | - Réka Kovács-Nagy
- Department of Molecular Biology, Institute of Biochemistry and Molecular Biology, Semmelweis University, 1094 Budapest, Hungary; (Z.E.); (Z.N.); (N.A.); (Z.B.); (R.K.-N.); (Z.R.)
| | - Zsolt Rónai
- Department of Molecular Biology, Institute of Biochemistry and Molecular Biology, Semmelweis University, 1094 Budapest, Hungary; (Z.E.); (Z.N.); (N.A.); (Z.B.); (R.K.-N.); (Z.R.)
| | - János M. Réthelyi
- Department of Psychiatry and Psychotherapy, Semmelweis University, 1083 Budapest, Hungary;
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Szwajca M, Kazek G, Śmierciak N, Mizera J, Pomierny-Chamiolo L, Szwajca K, Biesaga B, Pilecki M. GDNF and miRNA-29a as biomarkers in the first episode of psychosis: uncovering associations with psychosocial factors. Front Psychiatry 2024; 15:1320650. [PMID: 38645418 PMCID: PMC11027163 DOI: 10.3389/fpsyt.2024.1320650] [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: 10/12/2023] [Accepted: 03/14/2024] [Indexed: 04/23/2024] Open
Abstract
Aim Schizophrenia involves complex interactions between biological and environmental factors, including childhood trauma, cognitive impairments, and premorbid adjustment. Predicting its severity and progression remains challenging. Biomarkers like glial cell line-derived neurotrophic factor (GDNF) and miRNA-29a may bridge biological and environmental aspects. The goal was to explore the connections between miRNAs and neural proteins and cognitive functioning, childhood trauma, and premorbid adjustment in the first episode of psychosis (FEP). Method This study included 19 FEP patients who underwent clinical evaluation with: the Childhood Trauma Questionnaire (CTQ), the Premorbid Adjustment Scale (PAS), the Positive and Negative Syndrome Scale (PANSS), and the Montreal Cognitive Assessment Scale (MoCA). Multiplex assays for plasma proteins were conducted with Luminex xMAP technology. Additionally, miRNA levels were quantitatively determined through RNA extraction, cDNA synthesis, and RT-qPCR on a 7500 Fast Real-Time PCR System. Results Among miRNAs, only miR-29a-3p exhibited a significant correlation with PAS-C scores (r = -0.513, p = 0.025) and cognitive improvement (r = -0.505, p = 0.033). Among the analyzed proteins, only GDNF showed correlations with MoCA scores at the baseline and after 3 months (r = 0.533, p = 0.0189 and r = 0.598, p = 0.007), cognitive improvement (r = 0.511, p = 0.025), and CTQ subtests. MIF concentrations correlated with the PAS-C subscale (r = -0.5670, p = 0.011). Conclusion GDNF and miR-29a-3p are promising as biomarkers for understanding and addressing cognitive deficits in psychosis. This study links miRNA and MIF to premorbid adjustment and reveals GDNF's unique role in connection with childhood trauma.
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Affiliation(s)
- Marta Szwajca
- Department of Psychiatry, Faculty of Medicine, Jagiellonian University Medical College, Kraków, Poland
| | - Grzegorz Kazek
- Department of Pharmacological Screening, Jagiellonian University Medical College, Krakow, Poland
| | - Natalia Śmierciak
- Department of Psychiatry, Faculty of Medicine, Jagiellonian University Medical College, Kraków, Poland
| | - Józef Mizera
- Department of Toxicology, Jagiellonian University Medical College, Kraków, Poland
| | | | - Krzysztof Szwajca
- Department of Psychiatry, Faculty of Medicine, Jagiellonian University Medical College, Kraków, Poland
| | - Beata Biesaga
- Faculty of Medicine and Health Sciences, Andrzej Frycz Modrzewski Krakow University, Krakow, Poland
| | - Maciej Pilecki
- Department of Psychiatry, Faculty of Medicine, Jagiellonian University Medical College, Kraków, Poland
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Casserly L, Garton DR, Montaño-Rodriguez A, Andressoo JO. Analysis of Acute and Chronic Methamphetamine Treatment in Mice on Gdnf System Expression Reveals a Potential Mechanism of Schizophrenia Susceptibility. Biomolecules 2023; 13:1428. [PMID: 37759827 PMCID: PMC10526418 DOI: 10.3390/biom13091428] [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: 08/11/2023] [Revised: 09/11/2023] [Accepted: 09/18/2023] [Indexed: 09/29/2023] Open
Abstract
The increase in presynaptic striatal dopamine is the main dopaminergic abnormality in schizophrenia (SCZ). SCZ is primarily treated by modulating the activity of monoamine systems, with a focus on dopamine and serotonin receptors. Glial cell line-derived neurotrophic factor (GDNF) is a strong dopaminergic factor, that recently was shown to correlate with SCZ in human CSF and in striatal tissue. A 2-3-fold increase in GDNF in the brain was sufficient to induce SCZ-like dopaminergic and behavioural changes in mice. Here, we analysed the effect of acute, chronic, and embryonic methamphetamine, a drug known to enhance the risk of psychosis, on Gdnf and its receptors, Gfra1 and Ret, as well as on monoamine metabolism-related gene expression in the mouse brain. We found that acute methamphetamine application increases Gdnf expression in the striatum and chronic methamphetamine decreases the striatal expression of GDNF receptors Gfra1 and Ret. Both chronic and acute methamphetamine treatment upregulated the expression of genes related to dopamine and serotonin metabolism in the striatum, prefrontal cortex, and substantia nigra. Our results suggest a potential mechanism as to how methamphetamine elicits individual psychosis risk in young adults-variation in initial striatal GDNF induction and subsequent GFRα1 and RET downregulation may determine individual susceptibility to psychosis. Our results may guide future experiments and precision medicine development for methamphetamine-induced psychosis using GDNF/GFRa1/RET antagonists.
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Affiliation(s)
- Laoise Casserly
- Department of Pharmacology, Faculty of Medicine, Helsinki Institute of Life Science, University of Helsinki, 00290 Helsinki, Finland
| | - Daniel R. Garton
- Department of Pharmacology, Faculty of Medicine, Helsinki Institute of Life Science, University of Helsinki, 00290 Helsinki, Finland
| | - Ana Montaño-Rodriguez
- Department of Pharmacology, Faculty of Medicine, Helsinki Institute of Life Science, University of Helsinki, 00290 Helsinki, Finland
| | - Jaan-Olle Andressoo
- Department of Pharmacology, Faculty of Medicine, Helsinki Institute of Life Science, University of Helsinki, 00290 Helsinki, Finland
- Division of Neurogeriatrics, Department of Neurobiology, Care Science and Society (NVS), Karolinska Institutet, 17177 Stockholm, Sweden
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Ermakov EA, Melamud MM, Boiko AS, Kamaeva DA, Ivanova SA, Nevinsky GA, Buneva VN. Association of Peripheral Inflammatory Biomarkers and Growth Factors Levels with Sex, Therapy and Other Clinical Factors in Schizophrenia and Patient Stratification Based on These Data. Brain Sci 2023; 13:brainsci13050836. [PMID: 37239308 DOI: 10.3390/brainsci13050836] [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: 04/16/2023] [Revised: 05/18/2023] [Accepted: 05/20/2023] [Indexed: 05/28/2023] Open
Abstract
Multiple lines of evidence are known to confirm the pro-inflammatory state of some patients with schizophrenia and the involvement of inflammatory mechanisms in the pathogenesis of psychosis. The concentration of peripheral biomarkers is associated with the severity of inflammation and can be used for patient stratification. Here, we analyzed changes in serum concentrations of cytokines (IL-1β, IL-2, IL-4, IL-6, IL-10, IL-21, APRIL, BAFF, PBEF/Visfatin, IFN-α, and TNF-α) and growth/neurotrophic factors (GM-CSF, NRG1-β1, NGF-β, and GDNF) in patients with schizophrenia in an exacerbation phase. IL-1β, IL-2, IL-4, IL-6, BAFF, IFN-α, GM-CSF, NRG1-β1, and GDNF increased but TNF-α and NGF-β decreased in schizophrenia compared to healthy individuals. Subgroup analysis revealed the effect of sex, prevalent symptoms, and type of antipsychotic therapy on biomarker levels. Females, patients with predominantly negative symptoms, and those taking atypical antipsychotics had a more pro-inflammatory phenotype. Using cluster analysis, we classified participants into "high" and "low inflammation" subgroups. However, no differences were found in the clinical data of patients in these subgroups. Nevertheless, more patients (17% to 25.5%) than healthy donors (8.6% to 14.3%) had evidence of a pro-inflammatory condition depending on the clustering approach used. Such patients may benefit from personalized anti-inflammatory therapy.
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Affiliation(s)
- Evgeny A Ermakov
- Institute of Chemical Biology and Fundamental Medicine, Siberian Branch of the Russian Academy of Sciences, 630090 Novosibirsk, Russia
- Department of Natural Sciences, Novosibirsk State University, 630090 Novosibirsk, Russia
| | - Mark M Melamud
- Institute of Chemical Biology and Fundamental Medicine, Siberian Branch of the Russian Academy of Sciences, 630090 Novosibirsk, Russia
| | - Anastasiia S Boiko
- Mental Health Research Institute, Tomsk National Research Medical Center of the Russian Academy of Sciences, 634014 Tomsk, Russia
| | - Daria A Kamaeva
- Mental Health Research Institute, Tomsk National Research Medical Center of the Russian Academy of Sciences, 634014 Tomsk, Russia
| | - Svetlana A Ivanova
- Mental Health Research Institute, Tomsk National Research Medical Center of the Russian Academy of Sciences, 634014 Tomsk, Russia
| | - Georgy A Nevinsky
- Institute of Chemical Biology and Fundamental Medicine, Siberian Branch of the Russian Academy of Sciences, 630090 Novosibirsk, Russia
- Department of Natural Sciences, Novosibirsk State University, 630090 Novosibirsk, Russia
| | - Valentina N Buneva
- Institute of Chemical Biology and Fundamental Medicine, Siberian Branch of the Russian Academy of Sciences, 630090 Novosibirsk, Russia
- Department of Natural Sciences, Novosibirsk State University, 630090 Novosibirsk, Russia
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Boxy P, Nykjær A, Kisiswa L. Building better brains: the pleiotropic function of neurotrophic factors in postnatal cerebellar development. Front Mol Neurosci 2023; 16:1181397. [PMID: 37251644 PMCID: PMC10213292 DOI: 10.3389/fnmol.2023.1181397] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2023] [Accepted: 04/26/2023] [Indexed: 05/31/2023] Open
Abstract
The cerebellum is a multifunctional brain region that controls diverse motor and non-motor behaviors. As a result, impairments in the cerebellar architecture and circuitry lead to a vast array of neuropsychiatric and neurodevelopmental disorders. Neurotrophins and neurotrophic growth factors play essential roles in the development as well as maintenance of the central and peripheral nervous system which is crucial for normal brain function. Their timely expression throughout embryonic and postnatal stages is important for promoting growth and survival of both neurons and glial cells. During postnatal development, the cerebellum undergoes changes in its cellular organization, which is regulated by a variety of molecular factors, including neurotrophic factors. Studies have shown that these factors and their receptors promote proper formation of the cerebellar cytoarchitecture as well as maintenance of the cerebellar circuits. In this review, we will summarize what is known on the neurotrophic factors' role in cerebellar postnatal development and how their dysregulation assists in developing various neurological disorders. Understanding the expression patterns and signaling mechanisms of these factors and their receptors is crucial for elucidating their function within the cerebellum and for developing therapeutic strategies for cerebellar-related disorders.
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Affiliation(s)
- Pia Boxy
- Department of Biomedicine, Aarhus University, Aarhus, Denmark
- Danish Research Institute of Translational Neuroscience (DANDRITE)–Nordic EMBL Partnership for Molecular Medicine, Aarhus University, Aarhus, Denmark
- The Danish National Research Foundation Center, PROMEMO, Aarhus University, Aarhus, Denmark
| | - Anders Nykjær
- Department of Biomedicine, Aarhus University, Aarhus, Denmark
- Danish Research Institute of Translational Neuroscience (DANDRITE)–Nordic EMBL Partnership for Molecular Medicine, Aarhus University, Aarhus, Denmark
- The Danish National Research Foundation Center, PROMEMO, Aarhus University, Aarhus, Denmark
| | - Lilian Kisiswa
- Department of Biomedicine, Aarhus University, Aarhus, Denmark
- Danish Research Institute of Translational Neuroscience (DANDRITE)–Nordic EMBL Partnership for Molecular Medicine, Aarhus University, Aarhus, Denmark
- The Danish National Research Foundation Center, PROMEMO, Aarhus University, Aarhus, Denmark
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6
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Pelosof R, Santos LAD, Farhat LC, Gattaz WF, Talib L, Brunoni AR. BDNF blood levels after electroconvulsive therapy in patients with mood disorders: An updated systematic review and meta-analysis. World J Biol Psychiatry 2023; 24:24-33. [PMID: 35332840 DOI: 10.1080/15622975.2022.2058083] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
OBJECTIVES Studies have suggested Brain-Derived Neurotrophic Factors (BDNF) increase after electroconvulsive therapy (ECT) although they were methodologically limited and enrolled small sample sizes. We aimed at updating a systematic review and meta-analysis to explore BDNF changes after ECT for the treatment of depression. METHODS PubMed, PsycInfo, Embase and Global health were searched (March, 2021). Clinical trials that measured BDNF in the blood before and after ECT in adults (≥ 18 years old) with depression (major depressive disorder or bipolar disorder) were eligible. Data were pooled through random-effects meta-analyses. RESULTS Twenty-eight studies involving 778 participants were included. Meta-analysis showed a significant increase in BDNF levels after ECT (Hedges' g = 0.28; 95% CI: 0.10, 0.46) while there was evidence of significant heterogeneity (I2 = 67.64%) but not publication bias/small-study effect. Subgroup analyses and meta-regressions were underpowered to detect significant differences. Meta-analysis of depression severity scores demonstrated a considerable larger treatment effect in reducing depressive symptoms after ECT (Hedge's g = -3.72 95% CI: -4.23, -3.21). CONCLUSION This updated review showed that BDNF blood levels increased after ECT treatment. However, there was still evidence of substantial heterogeneity and there were limited sample sizes to investigate factors driving the variability of effects across studies. Importantly, the increase in BDNF levels was substantially smaller than the observed in depressive symptomatology, which could be indicative that the former was independent than the latter. Additional studies with larger sample sizes are currently required.
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Affiliation(s)
- Rebeca Pelosof
- Department of Psychiatry, Faculdade de Medicina FMUSP, Universidade de São Paulo, São Paulo, Brazil
| | - Leonardo A Dos Santos
- Department of Psychiatry, Faculdade de Medicina FMUSP, Universidade de São Paulo, São Paulo, Brazil
| | - Luis C Farhat
- Department of Psychiatry, Faculdade de Medicina FMUSP, Universidade de São Paulo, São Paulo, Brazil
| | - Wagner F Gattaz
- Department of Psychiatry, Faculdade de Medicina FMUSP, Universidade de São Paulo, São Paulo, Brazil.,Service of Interdisciplinary Neuromodulation, Department of Psychiatry, Laboratory of Neurosciences (LIM-27), Faculdade de Medicina FMUSP, Universidade de São Paulo, São Paulo, Brazil
| | - Leda Talib
- Department of Psychiatry, Faculdade de Medicina FMUSP, Universidade de São Paulo, São Paulo, Brazil.,Service of Interdisciplinary Neuromodulation, Department of Psychiatry, Laboratory of Neurosciences (LIM-27), Faculdade de Medicina FMUSP, Universidade de São Paulo, São Paulo, Brazil
| | - André R Brunoni
- Department of Psychiatry, Faculdade de Medicina FMUSP, Universidade de São Paulo, São Paulo, Brazil.,Service of Interdisciplinary Neuromodulation, Department of Psychiatry, Laboratory of Neurosciences (LIM-27), Faculdade de Medicina FMUSP, Universidade de São Paulo, São Paulo, Brazil.,Interdisciplinary Center for Applied Neuromodulation University Hospital, Universidade de São Paulo, São Paulo, Brazil
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Zinchuk MS, Guekht AB, Druzhkova TA, Gulyaeva NV, Shpak AA. Glial cell line-derived neurotrophic factor (GDNF) in blood serum and lacrimal fluid of patients with a current depressive episode. J Affect Disord 2022; 318:409-413. [PMID: 36116600 DOI: 10.1016/j.jad.2022.09.025] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/02/2022] [Revised: 08/10/2022] [Accepted: 09/11/2022] [Indexed: 10/14/2022]
Abstract
BACKGROUND Many studies indicate a significant role of GDNF in the pathogenesis of the mood disorders, including bipolar disorder (BD) and major depressive disorder (MDD). Potentially, neurotrophic factors in lacrimal fluid (LF) could become biomarkers of various specific disorders. The aim of this study was to assess GDNF levels in LF and blood serum (BS) of patients with a current depressive episode (cDE). METHODS We studied the glial cell line-derived neurotrophic factor (GDNF) concentration in the LF and BS of 39 healthy controls and 137 patients with a current depressive episode (cDE) (both subgroups members were 20-49 years): BD - 46 patients, MDD - 91 patients. RESULTS GDNF concentration in BS of women with MDD was significantly lower than in men. In BD patients, univariate linear regression analysis revealed significant correlations between GDNF concentration in the LF and the use of anxiolytics or antidepressants. These correlations were confirmed by the multivariate linear regression analysis. A significant correlation between GDNF concentrations in the LF and BS was found in controls. LIMITATIONS The unequal proportion of men in the BD group did not permit adjusting GDNF concentrations for sex. The collected LF was stimulated, which could influence GDNF levels. It should also be noted that the patients included in the study were not treatment- naïve. CONCLUSIONS Our findings suggest that GDNF concentration in LF could be a biomarker of the cDE (both unipolar and bipolar), though the sensitivity of this potential biomarker may be lower in depressive patients with anxiety symptoms.
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Affiliation(s)
- Mikhail S Zinchuk
- Moscow Research and Clinical Center for Neuropsychiatry, Moscow Healthcare Department, Moscow, Russian Federation.
| | - Alla B Guekht
- Moscow Research and Clinical Center for Neuropsychiatry, Moscow Healthcare Department, Moscow, Russian Federation; Pirogov Russian National Research Medical University, Moscow, Russian Federation
| | - Tatiana A Druzhkova
- Moscow Research and Clinical Center for Neuropsychiatry, Moscow Healthcare Department, Moscow, Russian Federation
| | - Natalia V Gulyaeva
- Moscow Research and Clinical Center for Neuropsychiatry, Moscow Healthcare Department, Moscow, Russian Federation; Institute of Higher Nervous Activity and Neurophysiology, Russian Academy of Sciences, Moscow, Russian Federation
| | - Alexander A Shpak
- Moscow Research and Clinical Center for Neuropsychiatry, Moscow Healthcare Department, Moscow, Russian Federation; The S. Fyodorov Eye Microsurgery Federal State Institution, Moscow, Russian Federation
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An Integrative Analysis of Identified Schizophrenia-Associated Brain Cell Types and Gene Expression Changes. Int J Mol Sci 2022; 23:ijms231911581. [PMID: 36232882 PMCID: PMC9569514 DOI: 10.3390/ijms231911581] [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: 08/15/2022] [Revised: 09/21/2022] [Accepted: 09/27/2022] [Indexed: 11/23/2022] Open
Abstract
Schizophrenia (SCZ) is a severe mental disorder that may result in hallucinations, delusions, and extremely disordered thinking. How each cell type in the brain contributes to SCZ occurrence is still unclear. Here, we leveraged the human dorsolateral prefrontal cortex bulk RNA-seq data, then used the RNA-seq deconvolution algorithm CIBERSORTx to generate SCZ brain single-cell RNA-seq data for a comprehensive analysis to understand SCZ-associated brain cell types and gene expression changes. Firstly, we observed that the proportions of brain cell types in SCZ differed from normal samples. Among these cell types, astrocyte, pericyte, and PAX6 cells were found to have a higher proportion in SCZ patients (astrocyte: SCZ = 0.163, control = 0.145, P.adj = 4.9 × 10-4, effect size = 0.478; pericyte: SCZ = 0.057, control = 0.066, P.adj = 1.1 × 10-4, effect size = 0.519; PAX6: SCZ = 0.014, control = 0.011, P.adj = 0.014, effect size = 0.377), while the L5/6_IT_CAR3 cells and LAMP5 cells are the exact opposite (L5/6_IT_Car3: SCZ = 0.102, control = 0.108, P.adj = 0.016, effect size = 0.369; LAMP5: SCZ = 0.057, control = 0.066, P.adj = 2.2 × 10-6, effect size = 0.617). Next, we investigated gene expression in cell types and functional pathways in SCZ. We observed chemical synaptic transmission dysregulation in two types of GABAergic neurons (PVALB and LAMP5), and immune reaction involvement in GABAergic neurons (SST) and non-neuronal cell types (endothelial and oligodendrocyte). Furthermore, we observed that some differential expression genes from bulk RNA-seq displayed cell-type-specific abnormalities in the expression of molecules in SCZ. Finally, the cell types with the SCZ-related transcriptomic changes could be considered to belong to the same module since we observed two major similar coordinated transcriptomic changes across these cell types. Together, our results offer novel insights into cellular heterogeneity and the molecular mechanisms underlying SCZ.
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Hao LS, Du Y, Chen L, Jiao YG, Cheng Y. Brain-derived neurotrophic factor as a biomarker for obsessive-compulsive disorder: A meta-analysis. J Psychiatr Res 2022; 151:676-682. [PMID: 35667336 DOI: 10.1016/j.jpsychires.2022.05.026] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/13/2021] [Revised: 03/30/2022] [Accepted: 05/19/2022] [Indexed: 10/18/2022]
Abstract
BACKGROUND Brain-derived neurotrophic factor (BDNF) is a growth factor that plays many critical functions in the central nervous system (CNS) and may be involved in the development of a range of psychopathologies, including depression, dementia, and neurodegenerative disorders. METHODS In the present study, we performed the first systematic review with a meta-analysis to quantitatively compare the peripheral blood BDNF levels between patients with obsessive-compulsive disorder (OCD) and healthy controls (HCs). A systematic search was conducted using PubMed and Web of Science databases to identify the relevant articles. RESULTS Nine studies encompassing 474 adults with OCD and 436 HCs were included in this meta-analysis. A random-effects meta-analysis showed that patients with OCD had significantly decreased peripheral blood levels of Brain-derived neurotrophic factor (BDNF) when compared with the HCs (Hedges' g = -0.722, 95% confidence interval [CI] = -1.152 to -0.292, P = 0.001). Subgroup analyses revealed decreased BDNF levels in plasma of patients (Hedges' g = -1.137, 95% CI = -1.463 to -0.810, P = 0.000) and drug-free patients (Hedges' g = -1.269, 95% CI = -1.974 to -0.564, P = 0.000) as compared to patients on active drug therapy and HCs. Meta-regression analyses showed that age, sex, sample size, Y-BOS total score, and publication year had no moderating effects on the outcome. CONCLUSION Although the relationship between our findings and the pathophysiology of OCD and the role BDNF plays in the development of the disease remains to be determined, the outcomes suggest that BDNF may serve as a potential biomarker of OCD.
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Affiliation(s)
- Lin-Shuai Hao
- Center on Translational Neuroscience, College of Life and Environmental Sciences, Minzu University of China, China
| | - Yang Du
- Key Laboratory of Ethnomedicine for Ministry of Education, School of Pharmacy, Minzu University of China, Beijing, China
| | - Lei Chen
- Key Laboratory of Ethnomedicine for Ministry of Education, School of Pharmacy, Minzu University of China, Beijing, China
| | - Yu-Guo Jiao
- Center on Translational Neuroscience, College of Life and Environmental Sciences, Minzu University of China, China.
| | - Yong Cheng
- Center on Translational Neuroscience, College of Life and Environmental Sciences, Minzu University of China, China.
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Elevated endogenous GDNF induces altered dopamine signalling in mice and correlates with clinical severity in schizophrenia. Mol Psychiatry 2022; 27:3247-3261. [PMID: 35618883 PMCID: PMC9708553 DOI: 10.1038/s41380-022-01554-2] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/14/2021] [Revised: 03/24/2022] [Accepted: 03/25/2022] [Indexed: 11/08/2022]
Abstract
Presynaptic increase in striatal dopamine is the primary dopaminergic abnormality in schizophrenia, but the underlying mechanisms are not understood. Here, we hypothesized that increased expression of endogenous GDNF could induce dopaminergic abnormalities that resemble those seen in schizophrenia. To test the impact of GDNF elevation, without inducing adverse effects caused by ectopic overexpression, we developed a novel in vivo approach to conditionally increase endogenous GDNF expression. We found that a 2-3-fold increase in endogenous GDNF in the brain was sufficient to induce molecular, cellular, and functional changes in dopamine signalling in the striatum and prefrontal cortex, including increased striatal presynaptic dopamine levels and reduction of dopamine in prefrontal cortex. Mechanistically, we identified adenosine A2a receptor (A2AR), a G-protein coupled receptor that modulates dopaminergic signalling, as a possible mediator of GDNF-driven dopaminergic abnormalities. We further showed that pharmacological inhibition of A2AR with istradefylline partially normalised striatal GDNF and striatal and cortical dopamine levels in mice. Lastly, we found that GDNF levels are increased in the cerebrospinal fluid of first episode psychosis patients, and in post-mortem striatum of schizophrenia patients. Our results reveal a possible contributor for increased striatal dopamine signalling in a subgroup of schizophrenia patients and suggest that GDNF-A2AR crosstalk may regulate dopamine function in a therapeutically targetable manner.
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Turkmen BA, Yazici E, Erdogan DG, Suda MA, Yazici AB. BDNF, GDNF, NGF and Klotho levels and neurocognitive functions in acute term of schizophrenia. BMC Psychiatry 2021; 21:562. [PMID: 34763683 PMCID: PMC8588660 DOI: 10.1186/s12888-021-03578-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/04/2021] [Accepted: 11/02/2021] [Indexed: 01/10/2023] Open
Abstract
BACKGROUND Klotho and its relationship with neurotrophic factors and cognition in schizophrenia has not yet been investigated. In this study, the hypothesis that the blood serum levels of BDNF, GDNF, NGF and Klotho in schizophrenia patients and healthy controls would be related to cognitive functions was investigated. METHODS In this study, two groups were assessed: schizophrenia patients (case group) who were hospitalised in the Psychiatry Clinic of Sakarya University Training and Research Hospital and healthy volunteers (control group). The patients were evaluated on the 1st and 20th days of their hospitalisation with the Positive and Negative Syndrome Scale (PANSS), the Brief Psychiatric Rating Scale (BPRS), the General Assessment of Functioning Scale (GAF) and the Clinical Global Impression Scale (CGI). For cognitive assessment, both groups were evaluated with the Wechsler Memory Scale-Visual Production Subtest (Wechsler Memory Scale III-Visual Reproduction Subtest) and the Stroop test. RESULTS BDNF, GDNF, NGF and Klotho levels were lower in schizophrenia patients than in healthy controls. In the schizophrenia patients, on the 20th day of treatment, there was a statistically significant increase in BDNF compared to the 1st day of treatment. BDNF, GDNF and Klotho showed positive correlations with some cognitive functions in the healthy controls. BDNF, GDNF, NGF and Klotho levels were intercorrelated and predictive of each other in both groups. CONCLUSION This study suggests a relationship between cognitive functions, neurotrophic factors and Klotho. Most of the results are the first of their kind in the extant literature, while other results are either similar to or divergent from those generated in previous studies. Therefore, new, enhanced studies are needed to clarify the role of Klotho and neurotrophic factors in schizophrenia.
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Affiliation(s)
- Betul Aslan Turkmen
- grid.459902.30000 0004 0386 5536Department of Psychiatry, Sakarya Training and Research Hospital, Sakarya, Turkey
| | - Esra Yazici
- Department of Psychiatry, Sakarya University, Medical Faculty, Sakarya, Turkey.
| | - Derya Guzel Erdogan
- grid.49746.380000 0001 0682 3030Department of Physiology, Sakarya University, Medical Faculty, Sakarya, Turkey
| | - Mehmet Akif Suda
- grid.459902.30000 0004 0386 5536Department of Psychiatry, Sakarya Training and Research Hospital, Sakarya, Turkey
| | - Ahmet Bulent Yazici
- grid.49746.380000 0001 0682 3030Department of Psychiatry, Sakarya University, Medical Faculty, Sakarya, Turkey
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Altered levels of interleukins and neurotrophic growth factors in mood disorders and suicidality: an analysis from periphery to central nervous system. Transl Psychiatry 2021; 11:341. [PMID: 34078872 PMCID: PMC8171230 DOI: 10.1038/s41398-021-01452-1] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/30/2020] [Revised: 05/05/2021] [Accepted: 05/12/2021] [Indexed: 11/08/2022] Open
Abstract
Interleukins and neurotrophins levels are altered in the periphery of patients with major depression and suicidal behavior, however it is not clear if similar abnormalities occur in the central nervous system. Our objective was to examine the association of IL-6, IL-1β, BDNF, and GDNF levels between postmortem plasma, cerebrospinal fluid (CSF), and brain tissue in a heterogeneous diagnostic subject groups including normal controls, mood disorders only, mood disorders with AUD/SUD (alcohol abuse disorder, substance abuse disorder), and AUD/SUD without mood disorders. To address these questions we collected postmortem plasma (n = 29), CSF (n = 28), and brain (BA10) (n = 57) samples from individuals with mood disorder, mood disorder with AUD/SUD, AUD/SUD and normal controls. These samples were analyzed using a multiplex based luminex assay with a customized 4-plex cytokine/interleukins- IL-6, IL-1β, BDNF, and GDNF human acute phase based on xMAP technology platform. Protein levels were determined using a Luminex 200 instrument equipped with Xponent-analyzing software. We observed IL-6 (p = 2.1e-07), and GDNF (p = 0.046) were significantly correlated between brain and CSF. In addition, IL-6 (p = 0.031), were significantly correlated between brain and plasma. Overall diagnostic group analysis showed a significant difference with brain GDNF, p = 0.0106. Pairwise comparisons showed that GDNF level is-39.9 ± 12 pg/ml, p = 0.0106, was significantly higher than in the brains derived from mood disorders compared to normal controls, -23.8 ± 5.5 pg/ml, p = 0.034. Brain BDNF was higher in suicide (p = 0.0023), males compared to females (p = 0.017), and psychiatric medication treated vs. non-treated (p = 0.005) individuals. Overall, we demonstrate that blood IL-6, GDNF and BDNF could be informative peripheral biomarkers of brain biology associated with mood disorders, substance disorders, and suicide.
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Tang X, Zhou C, Gao J, Duan W, Yu M, Xiao W, Zhang X, Dong H, Wang X, Zhang X. Serum BDNF and GDNF in Chinese male patients with deficit schizophrenia and their relationships with neurocognitive dysfunction. BMC Psychiatry 2019; 19:254. [PMID: 31420036 PMCID: PMC6697959 DOI: 10.1186/s12888-019-2231-3] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/05/2018] [Accepted: 08/06/2019] [Indexed: 12/31/2022] Open
Abstract
BACKGROUND To measure the serum levels of brain-derived neurotrophic factor (BDNF) and glial cell line-derived neurotrophic factor (GDNF) in deficit schizophrenia (DS), in order to examine the association between these two neurotrophic factors (NFs) and cognitive performance. METHODS A total of 109 male patients [51 DS and 58 non-deficit schizophrenia (NDS)] with schizophrenia and 40 sex and age matched healthy controls (HC) participated in this study. Processing speed, attention, executive function, and working memory of all subjects were assessed by means of a battery of classical neuropsychological tests. Serum BDNF and GDNF levels were measured simultaneously using a double-antibody sandwich enzyme-linked immunosorbent assay (ELISA). RESULTS There were significant differences in the overall cognitive test scores between three groups (all p < 0.001). Serum BDNF levels were significantly lower in patients (DS and NDS) than in HC (p < 0.001). Furthermore, BDNF levels were lower in the DS compared to the NDS group, although not significantly. However, there was no difference in the GDNF levels between patients (DS and NDS) and HC. GDNF levels were positively correlated with scores of Stroop words only (r = 0.311, p = 0.033), Stroop colors only (r = 0.356, p = 0.014) and Stroop interference (r = 0.348, p = 0.016) in DS group. CONCLUSION Serum BDNF may be an unsuitable biomarker for DS, despite a significant decrease in schizophrenia patients. The different neurocognitive performance between the DS and NDS patients indicates that DS may be a separate clinical entity of schizophrenia. Finally, higher serum GDNF levels are associated with better cognitive performance in DS patients, indicating a possible neuroprotective function in DS.
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Affiliation(s)
- Xiaowei Tang
- 0000 0000 9255 8984grid.89957.3aDepartment of Geriatric Psychiatry, Affiliated Nanjing Brain Hospital, Nanjing Medical University, No. 264 Guangzhou Road, Nanjing, Jiangsu Province, 210029 People’s Republic of China ,grid.268415.cAffiliated WuTaiShan Hospital of Medical College of Yangzhou University, Yangzhou, 225003 Jiangsu China
| | - Chao Zhou
- 0000 0000 9255 8984grid.89957.3aDepartment of Geriatric Psychiatry, Affiliated Nanjing Brain Hospital, Nanjing Medical University, No. 264 Guangzhou Road, Nanjing, Jiangsu Province, 210029 People’s Republic of China
| | - Ju Gao
- grid.410642.5Shanghai Changning Mental Health Center, Shanghai, 210029 China
| | - Weiwei Duan
- 0000 0004 1797 7280grid.449428.7Jining Medical University, Jining, 272067 Shandong China
| | - Miao Yu
- 0000 0000 9255 8984grid.89957.3aDepartment of Geriatric Psychiatry, Affiliated Nanjing Brain Hospital, Nanjing Medical University, No. 264 Guangzhou Road, Nanjing, Jiangsu Province, 210029 People’s Republic of China
| | - Wenhuan Xiao
- grid.268415.cAffiliated WuTaiShan Hospital of Medical College of Yangzhou University, Yangzhou, 225003 Jiangsu China
| | - Xiaobin Zhang
- grid.268415.cAffiliated WuTaiShan Hospital of Medical College of Yangzhou University, Yangzhou, 225003 Jiangsu China
| | - Hui Dong
- grid.268415.cAffiliated WuTaiShan Hospital of Medical College of Yangzhou University, Yangzhou, 225003 Jiangsu China
| | - Xiang Wang
- 0000 0001 0379 7164grid.216417.7Medical Psychological Institute of the Second Xiangya Hospital, Central South University, Changsha, 410011 Hunan China
| | - Xiangrong Zhang
- Department of Geriatric Psychiatry, Affiliated Nanjing Brain Hospital, Nanjing Medical University, No. 264 Guangzhou Road, Nanjing, Jiangsu Province, 210029, People's Republic of China.
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Yurteri N, Şahin İE, Tufan AE. Altered serum levels of vascular endothelial growth factor and glial-derived neurotrophic factor but not fibroblast growth factor-2 in treatment-naive children with attention deficit/hyperactivity disorder. Nord J Psychiatry 2019; 73:302-307. [PMID: 31170860 DOI: 10.1080/08039488.2019.1625437] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
Background and aim: Recent evidence suggests that growth factors might be involved in the pathophysiology of attention deficit hyperactivity disorder (ADHD). The aim of this study was to determine whether serum levels of brain-derived neurotrophic factor (BDNF), glial-derived neurotrophic factor (GDNF), neurotrophin-3 (NT-3), nerve growth factor (NGF), fibroblast growth factor-2 (FGF-2) and vascular endothelial growth factor (VEGF) were altered in children with ADHD. Methods: Serum levels of BDNF, GDNF, NT-3, NGF, VEGF and FGF-2 were analyzed in 49 treatment- naive children with ADHD and age, gender matched 36 healthy controls using enzyme-linked immunosorbent assay. ADHD symptoms were scored by Du Paul ADHD Rating Scale and Strengths and Difficulties Questionnaire. Results: We found that serum VEGF levels were significantly lower (p < 0.001) and GDNF levels were significantly higher in ADHD group compared to control group (p = 0.003). However, we found no correlations between ADHD symptoms and serum VEGF or GDNF levels. Furthermore, we observed no significant alterations in serum BDNF, NT-3, NGF, FGF-2 levels in children with ADHD. Conclusion: To our knowledge, the present study is the first to examine serum VEGF and FGF-2 levels in children with ADHD. Our results indicate that VEGF and GDNF might be involved in the etiology of ADHD. Further studies are required to determine the role of growth factors in the etiology and consequently in the treatment of ADHD.
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Affiliation(s)
- Nihal Yurteri
- a Department of Child and Adolescent Psychiatry , Düzce University Medical Faculty , Düzce , Turkey
| | - İbrahim Ethem Şahin
- b Department of Clinical Biochemistry , Düzce University Medical Faculty , Düzce , Turkey
| | - Ali Evren Tufan
- c Department of Child and Adolescent Psychiatry , Acıbadem Mehmet Ali Aydinlar University Medical Faculty , İstanbul , Turkey
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Barak S, Ahmadiantehrani S, Logrip ML, Ron D. GDNF and alcohol use disorder. Addict Biol 2019; 24:335-343. [PMID: 29726054 DOI: 10.1111/adb.12628] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2018] [Revised: 03/13/2018] [Accepted: 04/11/2018] [Indexed: 12/21/2022]
Abstract
Glial cell line-derived neurotrophic factor (GDNF) has been extensively studied for its role in the development and maintenance of the midbrain dopaminergic system, although evidence suggests that GDNF also plays a role in drug and alcohol addiction. This review focuses on the unique actions of GDNF in the mechanisms that prevent the transition from recreational alcohol use to abuse. Specifically, we describe studies in rodents suggesting that alcohol acutely increases GDNF expression in the ventral tegmental area, which enables the activation of the mitogen-activated protein kinase signaling pathway and the gating of alcohol intake. We further provide evidence to suggest that GDNF acts in the ventral tegmental area via both nongenomic and genomic mechanisms to suppress alcohol consumption. In addition, we describe findings indicating that when this endogenous protective pathway becomes dysregulated, alcohol intake levels escalate. Finally, we describe the potential use of GDNF inducers as a novel therapeutic approach to treat alcohol use disorder.
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Affiliation(s)
- Segev Barak
- School of Psychological Sciences and the Sagol School of NeuroscienceTel Aviv University Tel Aviv Israel
| | | | - Marian L. Logrip
- Department of PsychologyIndiana University‐Purdue University Indianapolis Indianapolis IN USA
| | - Dorit Ron
- Department of NeurologyUniversity of California San Francisco San Francisco CA USA
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Sun J, Kong L, Wu F, Wei Y, Zhu Y, Yin Z, Deng X, Jiang X, Tang Y, Wang F. Decreased plasma glial cell line-derived neurotrophic factor level in major depressive disorder is associated with age and clinical severity. J Affect Disord 2019; 245:602-607. [PMID: 30445385 DOI: 10.1016/j.jad.2018.11.068] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/16/2018] [Revised: 10/15/2018] [Accepted: 11/03/2018] [Indexed: 01/06/2023]
Abstract
BACKGROUND Glial cell line-derived neurotrophic factor (GDNF) as a neurotrophic factor closely related to depression is able to promote the growth, proliferation, differentiation, and survival of multiple neurons. Clinical features, recurrence rates and suicide rates are significant different in major depressive disorder (MDD) according to age. GDNF level changes in the peripheral blood has been reported in patients with MDD. In this study, we aimed to investigate whether GDNF levels differentiated within various age groups and its relationship with age/clinical severity. METHOD MDD subjects and healthy controls (HC) are divided into younger (age 13-24 years) group (yMDD n = 35, yHC n = 44) and older (age 25-45 years) group (oMDD n = 30, oHC n = 55) based on the age of brain maturity. Clinical symptom severity was evaluated by the Hamilton Depression Rating Scale (HAMD-17) and the Hamilton Anxiety Rating Scale (HAMA-17). The levels of plasma GDNF were compared within subgroups. RESULTS Plasma GDNF levels in yMDD patients were significantly decreased compared to yHC (yMDD 1.55 ± 0.46pg/ml, yHC 1.77 ± 0.47pg/ml, p < 0.05). Moreover, such difference was not found between oMDD group and oHC group. Our results also showed negative correlations between plasma GDNF levels and HAMD/HAMA scores (r = -0.33, p < 0.05; r = -0.39, p < 0.05). LIMITATIONS This study was underpowered to observe dynamic changes between age and GDNF in MDD due to the cross-sectional design of present study. We also failed to divided subjects into more age groups because of moderate sample size. CONCLUSION The present result showed the level of protective neurotrophic factor GDNF associated with age in MDD, suggesting a relevance between GDNF and MDD subjects abnormal brain development in adolescent and young adult period.
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Affiliation(s)
- Jiaze Sun
- Department of Psychiatry, The First Affiliated Hospital of China Medical University, Shenyang, Liaoning, China
| | - Lingtao Kong
- Department of Psychiatry, The First Affiliated Hospital of China Medical University, Shenyang, Liaoning, China
| | - Feng Wu
- Department of Psychiatry, The First Affiliated Hospital of China Medical University, Shenyang, Liaoning, China.
| | - Yange Wei
- Department of Psychiatry, The First Affiliated Hospital of China Medical University, Shenyang, Liaoning, China
| | - Yue Zhu
- Department of Psychiatry, The First Affiliated Hospital of China Medical University, Shenyang, Liaoning, China
| | - Zhiyang Yin
- Department of Psychiatry, The First Affiliated Hospital of China Medical University, Shenyang, Liaoning, China
| | - Xin Deng
- Department of Psychiatry, The First Affiliated Hospital of China Medical University, Shenyang, Liaoning, China
| | - Xiaowei Jiang
- Department of Radiology, The First Affiliated Hospital of China Medical University, Shenyang, Liaoning, China
| | - Yanqing Tang
- Department of Psychiatry, The First Affiliated Hospital of China Medical University, Shenyang, Liaoning, China; Department of Gerontology, The First Affiliated Hospital of China Medical University, Shenyang, Liaoning, China
| | - Fei Wang
- Department of Psychiatry, The First Affiliated Hospital of China Medical University, Shenyang, Liaoning, China; Department of Radiology, The First Affiliated Hospital of China Medical University, Shenyang, Liaoning, China
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Ye F, Zhan Q, Xiao W, Sha W, Zhang X. Altered serum levels of glial cell line-derived neurotrophic factor in male chronic schizophrenia patients with tardive dyskinesia. Int J Methods Psychiatr Res 2018; 27:e1727. [PMID: 29901253 PMCID: PMC6877127 DOI: 10.1002/mpr.1727] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/25/2017] [Revised: 04/29/2018] [Accepted: 05/04/2018] [Indexed: 12/21/2022] Open
Abstract
OBJECTIVES Many research indicate that the tardive dyskinesia (TD) is generally linked with long-term antipsychotic therapy for schizophrenia. Glial cell line-derived neurotrophic factor (GDNF) is a critical role in the protection of catecholaminergic, dopaminergic, and cholinergic neurons. Thus, we examined the serum GDNF levels in schizophrenia patients with TD (WTD) and without TD (NTD) and compared with healthy controls (HC), respectively. METHODS Totally 75 males with schizophrenia were recruited into this study. All were measured by the Diagnostic and Statistical Manual of Mental Disorders, fifth edition, the Positive and Negative Syndrome Scale, and the Abnormal Involuntary Movement Scale (AIMS). The patient group was divided into two subgroups: WTD (n = 32) and NTD (n = 43) according to the AIMS score. Fifty-three healthy controls matching in age and gender were also enlisted from the region. GDNF levels were examined with sandwich enzyme-linked immunosorbent assay. RESULTS Analysis of variance indicated significant differences between the three groups (P = 0.012); GDNF levels in the WTD group were significantly different from those in the NTD (P = 0.030) and HC (P = 0.003) groups. CONCLUSION Decreased GDNF levels in TD patients indicated that alterations in neurotrophic factors may be involved in the pathophysiology of TD, but the exact mechanisms need further investigation.
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Affiliation(s)
- Fei Ye
- Department of Psychiatry, Affiliated WuTaiShan Hospital of Yangzhou University, Yangzhou, China
| | - Qiongqiong Zhan
- Department of Psychiatry, Affiliated WuTaiShan Hospital of Yangzhou University, Yangzhou, China
| | - Wenhuan Xiao
- Department of Psychiatry, Affiliated WuTaiShan Hospital of Yangzhou University, Yangzhou, China
| | - Weiwei Sha
- Department of Psychiatry, Affiliated WuTaiShan Hospital of Yangzhou University, Yangzhou, China
| | - Xiaobin Zhang
- Department of Psychiatry, Affiliated WuTaiShan Hospital of Yangzhou University, Yangzhou, China
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Xu L, Liu Y, Sun Y, Li H, Mi W, Jiang Y. Analgesic effects of TLR4/NF-κB signaling pathway inhibition on chronic neuropathic pain in rats following chronic constriction injury of the sciatic nerve. Biomed Pharmacother 2018; 107:526-533. [PMID: 30114636 DOI: 10.1016/j.biopha.2018.07.116] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2018] [Revised: 07/23/2018] [Accepted: 07/24/2018] [Indexed: 11/28/2022] Open
Abstract
OBJECTIVE Chronic neuropathic pain (CNP) is attributed to a lesion or disease of the somatosensory system, may be derived from the peripheral and central system. Recent study revealed that spinal cord stimulation attenuated CNP by inhibiting TLR4/NF-κB signaling pathway. The present study focuses on the potential analgesic effects of TLR4/NF-κB signaling pathway on CNP in a rat model of chronic constriction injury (CCI). METHODS We successfully established the rat model of CCI by Bennett method, and then inhibited the TLR4/NF-κB signaling pathway in rat models. Next, we measured the mechanical withdrawal threshold (MWT) and thermal withdrawal latency (TWL) 0D, 2D, 6D, 8D and 12D after operation respectively. MTS510 100 mg/kg, an inhibitor of TLR4, was intrathecal injected into rats after 6D, 8D and 12D after operation. The experiment lasted for 12 days, and then the rats were sacrificed to collect the spinal cord tissues. Protein and mRNA expression levels of toll-like receptor 4 (TLR4), nuclear factor-kappaB (NF-κB), glial cell line-derived neurotrophic factor (GDNF), glial fibrillary acidic protein (GFAP) and nerve growth factor (NGF) were detected by western blot analysis and RT-qPCR, respectively. Immunohistochemistry was performed to detect GDNF, GFAP and NGF expression. RESULTS With the prolongation of MTS510 treatment time, MWT and TWL were increased and finally, the MWT and TWL were close to the baseline level. The levels of TLR4, NF-κB, GDNF, and GFAP as well as NGF increased in rats treated with CCI + Immunoglobulin G1 (IgG1) or CCI + MTS510, suggesting the model establishment was successful. Besides, with the prolongation of MTS510 treatment time, the protein level and mRNA expression of NF-kB, GDNF, GFAP and NGF decreased in rats treated with CCI + IgG1 or CCI + MTS510. Moreover, the GDNF, GFAP and NGF expression in spinal cord tissue in rats treated with CCI + IgG1 or CCI + MTS510 increased obviously, while the GDNF, GFAP and NGF expression decreased in spinal cord tissue in rats treated with CCI + IgG1 or CCI + MTS510 after MTS510 treatment. CONCLUSIONS Collectively, this study defines the role of TLR4 and NF-κB, and inhibition of TLR4/NF-κB signaling pathway might contribute to the alleviation of CNP and improvement of MWT and TWL in a rat model of CCI. Additionally, the results obtained from the study provided a promising basis that could aid as an experimental basis for the potential treatment of TLR4/NF-κB signaling pathway.
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Affiliation(s)
- Longhe Xu
- Department of Anesthesiology, Hainan Branch of Chinese PLA General Hospital, Sanya, 572013, PR China
| | - Yaobo Liu
- Jiangsu Key Laboratory of Neuropsychiatric Diseases and Institute of Neuroscience, Soochow University, Suzhou, 215123, PR China
| | - Yuhui Sun
- Jiangsu Key Laboratory of Neuropsychiatric Diseases and Institute of Neuroscience, Soochow University, Suzhou, 215123, PR China
| | - Hao Li
- Department of Anesthesiology, Hainan Branch of Chinese PLA General Hospital, Sanya, 572013, PR China
| | - Weidong Mi
- Center of Anesthesiology & Operation, Chinese PLA General Hospital, Beijing, 100853, PR China
| | - Yuge Jiang
- Department of Anesthesiology, Hainan Branch of Chinese PLA General Hospital, Sanya, 572013, PR China.
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Serum GDNF levels and anxiety disorders in a population-based study of young adults. Clin Chim Acta 2018; 485:21-25. [DOI: 10.1016/j.cca.2018.06.017] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2017] [Revised: 02/27/2018] [Accepted: 06/12/2018] [Indexed: 12/15/2022]
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GFRA1: A Novel Molecular Target for the Prevention of Osteosarcoma Chemoresistance. Int J Mol Sci 2018; 19:ijms19041078. [PMID: 29617307 PMCID: PMC5979596 DOI: 10.3390/ijms19041078] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2018] [Revised: 03/26/2018] [Accepted: 03/31/2018] [Indexed: 12/11/2022] Open
Abstract
The glycosylphosphatidylinositol-linked GDNF (glial cell derived neurotrophic factor) receptor alpha (GFRA), a coreceptor that recognizes the GDNF family of ligands, has a crucial role in the development and maintenance of the nervous system. Of the four identified GFRA isoforms, GFRA1 specifically recognizes GDNF and is involved in the regulation of proliferation, differentiation, and migration of neuronal cells. GFRA1 has also been implicated in cancer cell progression and metastasis. Recent findings show that GFRA1 can contribute to the development of chemoresistance in osteosarcoma. GFRA1 expression was induced following treatment of osteosarcoma cells with the popular anticancer drug, cisplatin and induction of GFRA1 expression significantly suppressed apoptosis mediated by cisplatin in osteosarcoma cells. GFRA1 expression promotes autophagy by activating the SRC-AMPK signaling axis following cisplatin treatment, resulting in enhanced osteosarcoma cell survival. GFRA1-induced autophagy promoted tumor growth in mouse xenograft models, suggesting a novel function of GFRA1 in osteosarcoma chemoresistance.
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Corrêa-Velloso JC, Gonçalves MC, Naaldijk Y, Oliveira-Giacomelli Á, Pillat MM, Ulrich H. Pathophysiology in the comorbidity of Bipolar Disorder and Alzheimer's Disease: pharmacological and stem cell approaches. Prog Neuropsychopharmacol Biol Psychiatry 2018; 80:34-53. [PMID: 28476640 DOI: 10.1016/j.pnpbp.2017.04.033] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/02/2017] [Accepted: 04/28/2017] [Indexed: 12/22/2022]
Abstract
Neuropsychiatric disorders involve various pathological mechanisms, resulting in neurodegeneration and brain atrophy. Neurodevelopmental processes have shown to be critical for the progression of those disorders, which are based on genetic and epigenetic mechanisms as well as on extrinsic factors. We review here common mechanisms underlying the comorbidity of Bipolar Disorders and Alzheimer's Disease, such as aberrant neurogenesis and neurotoxicity, reporting current therapeutic approaches. The understanding of these mechanisms precedes stem cell-based strategies as a new therapeutic possibility for treatment and prevention of Bipolar and Alzheimer's Disease progression. Taking into account the difficulty of studying the molecular basis of disease progression directly in patients, we also discuss the importance of stem cells for effective drug screening, modeling and treating psychiatric diseases, once in vitro differentiation of patient-induced pluripotent stem cells provides relevant information about embryonic origins, intracellular pathways and molecular mechanisms.
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Affiliation(s)
- Juliana C Corrêa-Velloso
- Departamento de Bioquímica, Instituto de Química, Universidade de São Paulo, Av. Prof. Lineu Prestes 748, São Paulo, SP 05508-000, Brazil
| | - Maria Cb Gonçalves
- Departamento de Neurologia e Neurociências, Escola Paulista de Medicina, Universidade Federal de São Paulo, Rua Pedro de Toledo 669, São Paulo, SP 04039-032, Brazil
| | - Yahaira Naaldijk
- Departamento de Bioquímica, Instituto de Química, Universidade de São Paulo, Av. Prof. Lineu Prestes 748, São Paulo, SP 05508-000, Brazil
| | - Ágatha Oliveira-Giacomelli
- Departamento de Bioquímica, Instituto de Química, Universidade de São Paulo, Av. Prof. Lineu Prestes 748, São Paulo, SP 05508-000, Brazil
| | - Micheli M Pillat
- Departamento de Bioquímica, Instituto de Química, Universidade de São Paulo, Av. Prof. Lineu Prestes 748, São Paulo, SP 05508-000, Brazil
| | - Henning Ulrich
- Departamento de Bioquímica, Instituto de Química, Universidade de São Paulo, Av. Prof. Lineu Prestes 748, São Paulo, SP 05508-000, Brazil.
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Wiener CD, Molina ML, Moreira FP, Dos Passos MB, Jansen K, da Silva RA, de Mattos Souza LD, Oses JP. Brief psychoeducation for bipolar disorder: Evaluation of trophic factors serum levels in young adults. Psychiatry Res 2017; 257:367-371. [PMID: 28803094 DOI: 10.1016/j.psychres.2017.07.062] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/29/2016] [Revised: 06/13/2017] [Accepted: 07/29/2017] [Indexed: 02/06/2023]
Abstract
The aim of this study was to evaluate the impact of psychoeducation in serum levels of BDNF, NGF and GDNF in young adults presenting bipolar disorder (BD). This is a randomized clinical trial including 39 young adults (18-29 years) diagnosed with BD through the Structured Clinical Interview for DSM-IV (SCID-CV). Participants were randomized in two treatment groups: usual treatment (medication) and combined intervention (medication plus psychoeducation). Depressive symptoms were assessed using the Hamilton Depression Rating Scale (HDRS) and severity of manic and hypomanic symptoms was evaluated through the Young Mania Rating Scale (YMRS). The serum levels of trophic factors were measured with an ELISA kit. In both intervention groups, there was an improvement in depressive symptoms significantly between baseline and post-intervention. In the combined intervention, GDNF serum levels increased significantly from baseline to post-intervention. However, there were no differences in BDNF and NGF serum levels. In the usual treatment group, no changes were observed in serum levels of GDNF, BDNF, and NGF the post-intervention in individuals. Our data suggests that only combined intervention was effective in improving depressive symptoms and increasing GDNF levels in a sample of young adults with bipolar disorder.
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Affiliation(s)
- Carolina David Wiener
- Translational Science on Brain Disorders, Department of Health and Behavior, Catholic University of Pelotas, Pelotas, RS, Brazil; Department of Epidemiology, Federal University of Pelotas, Pelotas, RS, Brazil
| | - Mariane Lopez Molina
- Translational Science on Brain Disorders, Department of Health and Behavior, Catholic University of Pelotas, Pelotas, RS, Brazil; Department of Psychology, Anhanguera College of Rio Grande, RS, Brazil.
| | - Fernanda Pedrotti Moreira
- Translational Science on Brain Disorders, Department of Health and Behavior, Catholic University of Pelotas, Pelotas, RS, Brazil
| | - Miguel Bezerra Dos Passos
- Translational Science on Brain Disorders, Department of Health and Behavior, Catholic University of Pelotas, Pelotas, RS, Brazil
| | - Karen Jansen
- Translational Science on Brain Disorders, Department of Health and Behavior, Catholic University of Pelotas, Pelotas, RS, Brazil
| | - Ricardo Azevedo da Silva
- Translational Science on Brain Disorders, Department of Health and Behavior, Catholic University of Pelotas, Pelotas, RS, Brazil
| | - Luciano Dias de Mattos Souza
- Translational Science on Brain Disorders, Department of Health and Behavior, Catholic University of Pelotas, Pelotas, RS, Brazil
| | - Jean Pierre Oses
- Translational Science on Brain Disorders, Department of Health and Behavior, Catholic University of Pelotas, Pelotas, RS, Brazil; Technology Application in Neurosciences, Department of Electronic Engineering and Computing, Catholic University of Pelotas, Pelotas, RS, Brazil
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Schisandrin rescues depressive-like behaviors induced by chronic unpredictable mild stress via GDNF/ERK1/2/ROS and PI3K/AKT/NOX signaling pathways in mice. Psychiatry Res 2017; 257:230-237. [PMID: 28780280 DOI: 10.1016/j.psychres.2017.07.081] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/12/2017] [Revised: 07/31/2017] [Accepted: 07/31/2017] [Indexed: 12/24/2022]
Abstract
The current study aimed to prove the antidepressant-like effects and the probable mechanisms of Schisandrin on depression, which induced by chronic unpredictable mild stress (CUMS) in mice. Four weeks of CUMS exposure resulted in depressive-like behavior, as indicated by the significant decrease in sucrose consumption and increase the immobility time in the forced swim test, but without any influence on the locomotor activity. Further, there were significant downregulations of GDNF/ERK1/2/ROS and PI3K/AKT/NOX signaling pathways in the hippocampus and prefrontal cortex in depressed mice. Treatment of mice with Schisandrin (30mg/kg) and Fluoxetine (10mg/kg) significantly ameliorated all the behavioral and biochemical changes induced by CUMS. These results suggest that Schisandrin produces an antidepressant-like effect in CUMS-induced mice, which possibly mediated, at least in part, by rectifying the signaling pathways of GDNF/ERK1/2/ROS and PI3K/AKT/NOX.
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24
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Buhusi M, Brown CK, Buhusi CV. Impaired Latent Inhibition in GDNF-Deficient Mice Exposed to Chronic Stress. Front Behav Neurosci 2017; 11:177. [PMID: 29066960 PMCID: PMC5641315 DOI: 10.3389/fnbeh.2017.00177] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2017] [Accepted: 09/07/2017] [Indexed: 12/14/2022] Open
Abstract
Increased reactivity to stress is maladaptive and linked to abnormal behaviors and psychopathology. Chronic unpredictable stress (CUS) alters catecholaminergic neurotransmission and remodels neuronal circuits involved in learning, attention and decision making. Glial-derived neurotrophic factor (GDNF) is essential for the physiology and survival of dopaminergic neurons in substantia nigra and of noradrenergic neurons in the locus coeruleus. Up-regulation of GDNF expression during stress is linked to resilience; on the other hand, the inability to up-regulate GDNF in response to stress, as a result of either genetic or epigenetic modifications, induces behavioral alterations. For example, GDNF-deficient mice exposed to chronic stress exhibit alterations of executive function, such as increased temporal discounting. Here we investigated the effects of CUS on latent inhibition (LI), a measure of selective attention and learning, in GDNF-heterozygous (HET) mice and their wild-type (WT) littermate controls. No differences in LI were found between GDNF HET and WT mice under baseline experimental conditions. However, following CUS, GDNF-deficient mice failed to express LI. Moreover, stressed GDNF-HET mice, but not their WT controls, showed decreased neuronal activation (number of c-Fos positive neurons) in the nucleus accumbens shell and increased activation in the nucleus accumbens core, both key regions in the expression of LI. Our results add LI to the list of behaviors affected by chronic stress and support a role for GDNF deficits in stress-induced pathological behaviors relevant to schizophrenia and other psychiatric disorders.
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Affiliation(s)
- Mona Buhusi
- Interdisciplinary Program in Neuroscience, Department of Psychology, Utah State University, Logan, UT, United States
| | - Colten K Brown
- Interdisciplinary Program in Neuroscience, Department of Psychology, Utah State University, Logan, UT, United States
| | - Catalin V Buhusi
- Interdisciplinary Program in Neuroscience, Department of Psychology, Utah State University, Logan, UT, United States
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Skibinska M, Kapelski P, Pawlak J, Rajewska-Rager A, Dmitrzak-Weglarz M, Szczepankiewicz A, Czerski P, Twarowska-Hauser J. Glial Cell Line-Derived Neurotrophic Factor (GDNF) serum level in women with schizophrenia and depression, correlation with clinical and metabolic parameters. Psychiatry Res 2017; 256:396-402. [PMID: 28689143 DOI: 10.1016/j.psychres.2017.07.014] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/22/2017] [Revised: 06/14/2017] [Accepted: 07/04/2017] [Indexed: 12/15/2022]
Abstract
AIM Neurotrophic factors have been implicated in neuropsychiatric disorders, including schizophrenia and depression. Glial Cell Line-Derived Neurotrophic Factor (GDNF) promotes development, differentiation, and protection of dopaminergic, serotonergic, GABAergic and noradrenergic neurons as well as glial cells in different brain regions. This study examined serum levels of GDNF in schizophrenia and depression and its correlation with metabolic parameters during 8 weeks of treatment. METHODS Serum GDNF level, fasting serum glucose and lipid profile were measured at baseline and week 8 in 133 women: 55 with schizophrenia, 30 with a first episode depression and 48 healthy controls. The severity of the symptoms was evaluated using Positive and Negative Syndrome Scale (PANSS), 17-item Hamilton Depression Rating Scale (HDRS) and Beck Depression Inventory (BDI). RESULTS There was statistically significant higher GDNF level in schizophrenia at baseline when compared with week 8. Correlations of GDNF with PANSS in schizophrenia and cholesterol level in depression have also been detected. CONCLUSIONS To our knowledge, this is the first study which correlates GDNF levels with metabolic parameters. Our results show no differences in GDNF serum level between schizophrenia, a first depressive episode, and healthy controls. GDNF serum level did not correlate with metabolic parameters except for total cholesterol in depression.
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Affiliation(s)
- Maria Skibinska
- Psychiatric Genetics Unit, Department of Psychiatry, Poznan University of Medical Sciences, Rokietnicka 8, 60-806 Poznan, Poland.
| | - Pawel Kapelski
- Psychiatric Genetics Unit, Department of Psychiatry, Poznan University of Medical Sciences, Rokietnicka 8, 60-806 Poznan, Poland
| | - Joanna Pawlak
- Psychiatric Genetics Unit, Department of Psychiatry, Poznan University of Medical Sciences, Rokietnicka 8, 60-806 Poznan, Poland
| | - Aleksandra Rajewska-Rager
- Psychiatric Genetics Unit, Department of Psychiatry, Poznan University of Medical Sciences, Rokietnicka 8, 60-806 Poznan, Poland; Department of Adult Psychiatry, Poznan University of Medical Sciences, Szpitalna 27/33, 60-572 Poznan, Poland
| | - Monika Dmitrzak-Weglarz
- Psychiatric Genetics Unit, Department of Psychiatry, Poznan University of Medical Sciences, Rokietnicka 8, 60-806 Poznan, Poland
| | - Aleksandra Szczepankiewicz
- Psychiatric Genetics Unit, Department of Psychiatry, Poznan University of Medical Sciences, Rokietnicka 8, 60-806 Poznan, Poland; Laboratory of Molecular and Cell Biology, Poznan University of Medical Sciences, Szpitalna 27/33, 60-572 Poznan, Poland
| | - Piotr Czerski
- Psychiatric Genetics Unit, Department of Psychiatry, Poznan University of Medical Sciences, Rokietnicka 8, 60-806 Poznan, Poland
| | - Joanna Twarowska-Hauser
- Psychiatric Genetics Unit, Department of Psychiatry, Poznan University of Medical Sciences, Rokietnicka 8, 60-806 Poznan, Poland
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Serum galectin-3, but not galectin-1, levels are elevated in schizophrenia: implications for the role of inflammation. Psychopharmacology (Berl) 2017; 234:2919-2927. [PMID: 28698921 DOI: 10.1007/s00213-017-4683-9] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/11/2017] [Accepted: 06/27/2017] [Indexed: 01/30/2023]
Abstract
BACKGROUND Previous studies have reported that galectin-3 is involved in inflammatory processes in the central nervous system and that neuroinflammation may play a role in the pathogenesis of schizophrenia. However, the link between schizophrenia and various galectins is unclear. OBJECTIVE The objective of the present study is to determine whether galectin, a well-known lectin protein that binds to μ-galactoside, is associated with chronic schizophrenia. METHODS Thirty-six patients with schizophrenia and 36 healthy controls participated in this study. Schizophrenia symptoms were assessed using the Brief Psychiatry Rating Scale (BPRS). Serum galectin-1 and galectin-3 levels were evaluated using ELISA and compared between the participant groups. Correlation analyses were also performed to examine the relationship between BPRS scores and each galectin level. RESULTS Serum galectin-3 levels were significantly higher in patients with schizophrenia than they were in controls (p = 0.009, d = 0.640); however, serum galectin-1 levels were not significantly different between the groups (p = 0.513). No significant correlation was identified between serum galectin-3 level and the total BPRS score; however, a significant positive correlation was found between the serum galectin-3 level and the positive symptom score of the BPRS (ρ = 0.355; p = 0.033). Additionally, a significant negative correlation was identified between serum galectin-3 levels and the negative symptom score of the BPRS (ρ = -0.387; p = 0.020). CONCLUSIONS Given the high serum levels of galectin-3 found in patients with schizophrenia compared with that in controls, these findings may support the inflammation hypothesis of schizophrenia.
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The protein and mRNA expression levels of glial cell line-derived neurotrophic factor in post stroke depression and major depressive disorder. Sci Rep 2017; 7:8674. [PMID: 28819313 PMCID: PMC5561249 DOI: 10.1038/s41598-017-09000-y] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2017] [Accepted: 07/14/2017] [Indexed: 12/28/2022] Open
Abstract
Previous studies have indicated that the level of glial cell line-derived neurotrophic factor (GDNF) may be correlated with stroke and depression. Here, we investigated whether GDNF can be a discriminant indicator for post stroke depression (PSD). 159 participants were divided into four groups: PSD, stroke without depression (Non-PSD), major depressive disorder (MDD) and normal control (NC) group, and the protein and mRNA expression levels of GDNF in serum were measured. The results showed that only MDD group had statistical difference in protein and mRNA levels compared with the other three groups (Bonferroni test, P < 0.05). The results of receiver operating curve (ROC) analysis supported GDNF as general distinguishing models in PSD and MDD groups with the area under the curve (AUC) at 0.797 (P < 0.001) and 0.831 (P < 0.001) respectively. In addition, the Spearman analysis demonstrated that the GDNF protein level negatively correlated with the value of Hamilton depression rating scale (HAMD) in PSD patients (correlation coefficient = -0.328, P = 0.047). Together, these findings suggest the protein and mRNA expression levels of GDNF decreased in patients with depression. GDNF may serve as a potential biomarker for differential diagnosis of PSD from MDD patients.
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Xiao W, Ye F, Liu C, Tang X, Li J, Dong H, Sha W, Zhang X. Cognitive impairment in first-episode drug-naïve patients with schizophrenia: Relationships with serum concentrations of brain-derived neurotrophic factor and glial cell line-derived neurotrophic factor. Prog Neuropsychopharmacol Biol Psychiatry 2017; 76:163-168. [PMID: 28342945 DOI: 10.1016/j.pnpbp.2017.03.013] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/28/2016] [Revised: 02/25/2017] [Accepted: 03/19/2017] [Indexed: 01/28/2023]
Abstract
OBJECTIVES Evidence suggests that brain-derived neurotrophic factor (BDNF) and glial cell line -derived neurotrophic factor (GDNF) are important in the regulation of synaptic plasticity, which plays a key role in the cognitive processes in psychiatric disorders. Our work aimed at exploring the associations between serum BDNF and GDNF levels and cognitive functions in first-episode drug-naïve (FEDN) patients with schizophrenia. METHODS The BDNF and GDNF levels of 58 FEDN patients and 55 age- and sex-matched healthy controls were measured and test subjects were examined using several neurocognitive tests including the verbal fluency test (VFT), the trail making test (TMT), the digit span test (DST), and the Stroop test. RESULTS Patients performed significantly worse than controls in nearly all neurocognitive performances except the forward subscale part of the DST. BDNF levels were inversely correlated to TMT-part B scores and positively correlated to VFT-action in the FEDN group. GDNF levels showed a positive correlation with VFT-action scores and a negative correlation with TMT-part B scores of these patients. CONCLUSION Current data suggests that cognitive dysfunction widely exists in the early stages of schizophrenia. BDNF and GDNF may be jointly contributed to the pathological mechanisms involved in cognitive impairment in FEDN patients with schizophrenia.
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Affiliation(s)
- Wenhuan Xiao
- Department of Psychiatry, Affiliated WuTaiShan Hospital of Medical College of Yangzhou University, Yangzhou 225003, PR China
| | - Fei Ye
- Department of Psychiatry, Affiliated WuTaiShan Hospital of Medical College of Yangzhou University, Yangzhou 225003, PR China
| | - Chunlai Liu
- Department of Psychiatry, Affiliated Kangren Hospital, Ili Kazak Autonomous Prefecture of Xinjiang 835000, PR China
| | - Xiaowei Tang
- Department of Psychiatry, Affiliated WuTaiShan Hospital of Medical College of Yangzhou University, Yangzhou 225003, PR China
| | - Jin Li
- Department of Psychiatry, Affiliated WuTaiShan Hospital of Medical College of Yangzhou University, Yangzhou 225003, PR China
| | - Hui Dong
- Department of Psychiatry, Affiliated WuTaiShan Hospital of Medical College of Yangzhou University, Yangzhou 225003, PR China
| | - Weiwei Sha
- Department of Psychiatry, Affiliated WuTaiShan Hospital of Medical College of Yangzhou University, Yangzhou 225003, PR China
| | - Xiaobin Zhang
- Department of Psychiatry, Affiliated WuTaiShan Hospital of Medical College of Yangzhou University, Yangzhou 225003, PR China.
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Tsybko AS, Ilchibaeva TV, Popova NK. Role of glial cell line-derived neurotrophic factor in the pathogenesis and treatment of mood disorders. Rev Neurosci 2017; 28:219-233. [DOI: 10.1515/revneuro-2016-0063] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2016] [Accepted: 11/03/2016] [Indexed: 12/31/2022]
Abstract
AbstractGlial cell line-derived neurotrophic factor (GDNF) is widely recognized as a survival factor for dopaminergic neurons, but GDNF has also been shown to promote development, differentiation, and protection of other central nervous system neurons and was thought to play an important role in various neuropsychiatric disorders. Severe mood disorders, such as primarily major depressive disorder and bipolar affective disorder, attract particular attention. These psychopathologies are characterized by structural alterations accompanied by the dysregulation of neuroprotective and neurotrophic signaling mechanisms required for the maturation, growth, and survival of neurons and glia. The main objective of this review is to summarize the recent findings and evaluate the potential role of GDNF in the pathogenesis and treatment of mood disorders. Specifically, it describes (1) the implication of GDNF in the mechanism of depression and in the effect of antidepressant drugs and mood stabilizers and (2) the interrelation between GDNF and brain neurotransmitters, playing a key role in the pathogenesis of depression. This review provides converging lines of evidence that (1) brain GDNF contributes to the mechanism underlying depressive disorders and the effect of antidepressants and mood stabilizers and (2) there is a cross-talk between GDNF and neurotransmitters representing a feedback system: GDNF-neurotransmitters and neurotransmitters-GDNF.
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Affiliation(s)
- Anton S. Tsybko
- 1Department of Behavioral Neurogenomics, The Federal Research Center the Institute of Cytology and Genetics SB RAS, Lavrentyeva av. 10, Novosibirsk 630090, Russia
| | - Tatiana V. Ilchibaeva
- 2Department of Behavioral Neurogenomics, The Federal Research Center the Institute of Cytology and Genetics SB RAS, Novosibirsk 633090, Russia
| | - Nina K. Popova
- 2Department of Behavioral Neurogenomics, The Federal Research Center the Institute of Cytology and Genetics SB RAS, Novosibirsk 633090, Russia
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Papale LA, Madrid A, Li S, Alisch RS. Early-life stress links 5-hydroxymethylcytosine to anxiety-related behaviors. Epigenetics 2017; 12:264-276. [PMID: 28128679 PMCID: PMC5398765 DOI: 10.1080/15592294.2017.1285986] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
Abstract
Environmental stress contributes to the development of psychiatric disorders, including posttraumatic stress disorder and anxiety. While even acute stress alters gene expression, the molecular mechanisms underlying these changes remain largely unknown. 5-hydroxymethylcytosine (5hmC) is a novel environmentally sensitive DNA modification that is highly enriched in the brain and is associated with active transcription of neuronal genes. Here we examined behavioral and molecular alterations in adult mice that experienced an early-life stress before weaning (postnatal day 12 to 18) and found anxiety-like behaviors in adult female mice that were accompanied by correlated disruptions of hypothalamic 5hmC and gene expression in 118 genes, revealing potentially functional 5hmC (i.e., gene regulation). These genes are known and potentially novel stress-related targets, including Nr3c2, Nrxn1, Nfia, and Clip1, that have a significant enrichment for neuronal ontological functions, such as neuronal development and differentiation. Sequence motif predictions indicated that 5hmC may regulate gene expression by mediating transcription factor binding and alternative splicing of many of these transcripts. Together, these findings represent a critical step toward understanding the effects of early environment on the neuromolecular mechanisms that underlie the risk to develop anxiety disorders.
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Affiliation(s)
- Ligia A Papale
- a Department of Psychiatry , University of Wisconsin , Madison , WI , USA
| | - Andy Madrid
- a Department of Psychiatry , University of Wisconsin , Madison , WI , USA.,b Neuroscience Training Program , University of Wisconsin , Madison , WI , USA
| | - Sisi Li
- a Department of Psychiatry , University of Wisconsin , Madison , WI , USA.,b Neuroscience Training Program , University of Wisconsin , Madison , WI , USA
| | - Reid S Alisch
- a Department of Psychiatry , University of Wisconsin , Madison , WI , USA
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Ibáñez CF, Andressoo JO. Biology of GDNF and its receptors — Relevance for disorders of the central nervous system. Neurobiol Dis 2017; 97:80-89. [DOI: 10.1016/j.nbd.2016.01.021] [Citation(s) in RCA: 137] [Impact Index Per Article: 19.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2015] [Revised: 01/14/2016] [Accepted: 01/25/2016] [Indexed: 01/15/2023] Open
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Xiao W, Ye F, Ma L, Tang X, Li J, Dong H, Sha W, Zhang X. Atypical antipsychotic treatment increases glial cell line-derived neurotrophic factor serum levels in drug-free schizophrenic patients along with improvement of psychotic symptoms and therapeutic effects. Psychiatry Res 2016; 246:617-622. [PMID: 27836239 DOI: 10.1016/j.psychres.2016.11.001] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/14/2016] [Revised: 10/26/2016] [Accepted: 11/02/2016] [Indexed: 01/16/2023]
Abstract
Glial cell line-derived neurotrophic factor (GDNF) plays an increasingly vital role in the pathogenesis of neuropsychiatric illnesses. Antipsychotic medications were shown to stimulate GDNF secretion from C6 glioma cells. The aims of this study were to investigate the serum concentration of GDNF, to monitor the therapeutic effect of atypical antipsychotics related to GDNF levels in drug-free schizophrenia patients, and to examine these levels in relation to psychotic symptoms. We recruited 138 drug-free schizophrenic patients and compared them with 77 matched healthy subjects. All patients were treated with atypical antipsychotic monotherapy. GDNF serum levels and psychiatric symptoms were assessed at baseline and after 2, 4, 6 and 8 weeks. GDNF levels gradually increased accompanied by a reduction in psychiatric symptoms during antipsychotic therapy. The levels of GDNF in responders were significantly increased after 8 weeks of treatment, however, no significant change was found in non-responders. Furthermore, a negative association between GDNF levels following pharmacotherapy and disease duration in schizophrenic subjects could be observed. The present study suggests that GDNF may be involved in the etiology of schizophrenia and pharmacological treatment.
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Affiliation(s)
- Wenhuan Xiao
- Department of Psychiatry, Affiliated WuTaiShan Hospital of Medical College of Yangzhou University, Yangzhou 225003, PR China
| | - Fei Ye
- Department of Psychiatry, Affiliated WuTaiShan Hospital of Medical College of Yangzhou University, Yangzhou 225003, PR China
| | - Li Ma
- Department of Psychiatry, Affiliated WuTaiShan Hospital of Medical College of Yangzhou University, Yangzhou 225003, PR China
| | - Xiaowei Tang
- Department of Psychiatry, Affiliated WuTaiShan Hospital of Medical College of Yangzhou University, Yangzhou 225003, PR China
| | - Jin Li
- Department of Psychiatry, Affiliated WuTaiShan Hospital of Medical College of Yangzhou University, Yangzhou 225003, PR China
| | - Hui Dong
- Department of Psychiatry, Affiliated WuTaiShan Hospital of Medical College of Yangzhou University, Yangzhou 225003, PR China
| | - Weiwei Sha
- Department of Psychiatry, Affiliated WuTaiShan Hospital of Medical College of Yangzhou University, Yangzhou 225003, PR China
| | - Xiaobin Zhang
- Department of Psychiatry, Affiliated WuTaiShan Hospital of Medical College of Yangzhou University, Yangzhou 225003, PR China.
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Li J, Ye F, Xiao W, Tang X, Sha W, Zhang X, Wang J. Increased serum brain-derived neurotrophic factor levels following electroconvulsive therapy or antipsychotic treatment in patients with schizophrenia. Eur Psychiatry 2016; 36:23-8. [PMID: 27311104 DOI: 10.1016/j.eurpsy.2016.03.005] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/07/2015] [Revised: 02/18/2016] [Accepted: 03/16/2016] [Indexed: 12/26/2022] Open
Abstract
BACKGROUND Many schizophrenia patients experience residual symptoms even after treatment. Electroconvulsive therapy (ECT) is often used in medication-resistant schizophrenia patients when pharmacologic interventions have failed; however, the mechanism of action is unclear. Brain-derived neurotrophic factor (BDNF) levels are reduced in drug-naive, first-episode schizophrenia and are increased by antipsychotic treatment. We tested the hypothesis that ECT increases serum BDNF levels by measuring BDNF concentrations in schizophrenia patients before and after they received ECT. METHODS A total of 160 patients with schizophrenia were examined. The ECT group (n=80) was treated with antipsychotics and ECT (eight to 10 sessions administered every other day). The drug therapy group (n=80) received only antipsychotic treatment. A control group (n=77) was recruited that served as the baseline for comparison. RESULTS Baseline serum BDNF level in ECT group was lower than in controls (9.7±2.1 vs. 12.4±3.2ng/ml; P<0.001), but increased after ECT, such that there was no difference between the two groups (11.9±3.3 vs. 12.4±3.2ng/ml; P=0.362). There was no correlation between patients' Positive and Negative Syndrome Scale (PANSS) score and serum BDNF level before ECT; however, a negative correlation was observed after ECT (total: r=-0.692; P<0.01). From baseline to remission after ECT, serum BDNF level increased (P<0.001) and their PANSS score decreased (P<0.001). Changes in BDNF level (2.21±4.10ng/ml) and PANSS score (28.69±14.96) were positively correlated in the ECT group (r=0.630; P<0.01). CONCLUSIONS BDNF level was lower in schizophrenia patients relative to healthy controls before ECT and medication. BDNF level increased after ECT and medication, and its longitudinal change was associated with changes in patients' psychotic symptoms. These results indicate that BDNF mediates the antipsychotic effects of ECT.
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Affiliation(s)
- J Li
- Shanghai Key Laboratory of Psychotic Disorders (No. 13dz2260500), Shanghai Mental Health Center, Shanghai Jiaotong University School of Medicine, Shanghai 200030, PR China; Department of Psychiatry, Affiliated WuTaiShan Hospital of Medical College of Yangzhou University, Yangzhou 225003, PR China; Bio-X Institutes, Key Laboratory for the Genetics of Developmental and Neuropsychiatric Disorders (Ministry of Education), Shanghai Mental Health Center, Shanghai Jiaotong University School of Medicine, Shanghai 200030, PR China
| | - F Ye
- Department of Psychiatry, Affiliated WuTaiShan Hospital of Medical College of Yangzhou University, Yangzhou 225003, PR China
| | - W Xiao
- Department of Psychiatry, Affiliated WuTaiShan Hospital of Medical College of Yangzhou University, Yangzhou 225003, PR China
| | - X Tang
- Department of Psychiatry, Affiliated WuTaiShan Hospital of Medical College of Yangzhou University, Yangzhou 225003, PR China
| | - W Sha
- Department of Psychiatry, Affiliated WuTaiShan Hospital of Medical College of Yangzhou University, Yangzhou 225003, PR China
| | - X Zhang
- Department of Psychiatry, Affiliated WuTaiShan Hospital of Medical College of Yangzhou University, Yangzhou 225003, PR China.
| | - J Wang
- Shanghai Key Laboratory of Psychotic Disorders (No. 13dz2260500), Shanghai Mental Health Center, Shanghai Jiaotong University School of Medicine, Shanghai 200030, PR China; Bio-X Institutes, Key Laboratory for the Genetics of Developmental and Neuropsychiatric Disorders (Ministry of Education), Shanghai Mental Health Center, Shanghai Jiaotong University School of Medicine, Shanghai 200030, PR China.
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Plasma glial cell line-derived neurotrophic factor in patients with major depressive disorder: a preliminary study. Acta Neuropsychiatr 2016; 28:45-50. [PMID: 26122261 DOI: 10.1017/neu.2015.42] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
BACKGROUND Some clinical studies have reported reduced peripheral glial cell line-derived neurotrophic factor (GDNF) level in elderly patients with major depressive disorder (MDD). We verified whether a reduction in plasma GDNF level was associated with MDD. METHOD Plasma GDNF level was measured in 23 healthy control subjects and 23 MDD patients before and after 6 weeks of treatment. RESULTS Plasma GDNF level in MDD patients at baseline did not differ from that in healthy controls. Plasma GDNF in MDD patients did not differ significantly from baseline to the end of treatment. GDNF level was significantly lower in recurrent-episode MDD patients than in first-episode patients before and after treatment. CONCLUSIONS Our findings revealed significantly lower plasma GDNF level in recurrent-episode MDD patients, although plasma GDNF levels in MDD patients and healthy controls did not differ significantly. The discrepancy between our study and previous studies might arise from differences in the recurrence of depression or the ages of the MDD patients.
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Fernandes BS, Molendijk ML, Köhler CA, Soares JC, Leite CMGS, Machado-Vieira R, Ribeiro TL, Silva JC, Sales PMG, Quevedo J, Oertel-Knöchel V, Vieta E, González-Pinto A, Berk M, Carvalho AF. Peripheral brain-derived neurotrophic factor (BDNF) as a biomarker in bipolar disorder: a meta-analysis of 52 studies. BMC Med 2015; 13:289. [PMID: 26621529 PMCID: PMC4666054 DOI: 10.1186/s12916-015-0529-7] [Citation(s) in RCA: 177] [Impact Index Per Article: 19.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/14/2015] [Accepted: 11/18/2015] [Indexed: 02/02/2023] Open
Abstract
BACKGROUND The neurotrophic hypothesis postulates that mood disorders such as bipolar disorder (BD) are associated with a lower expression of brain-derived neurotrophic factor (BDNF). However, its role in peripheral blood as a biomarker of disease activity and of stage for BD, transcending pathophysiology, is still disputed. In the last few years an increasing number of clinical studies assessing BDNF in serum and plasma have been published. Therefore, it is now possible to analyse the association between BDNF levels and the severity of affective symptoms in BD as well as the effects of acute drug treatment of mood episodes on BDNF levels. METHODS We conducted a systematic review and meta-analysis of all studies on serum and plasma BDNF levels in bipolar disorder. RESULTS Through a series of meta-analyses including a total of 52 studies with 6,481 participants, we show that, compared to healthy controls, peripheral BDNF levels are reduced to the same extent in manic (Hedges' g = -0.57, P = 0.010) and depressive (Hedges' g = -0.93, P = 0.001) episodes, while BDNF levels are not significantly altered in euthymia. In meta-regression analyses, BDNF levels additionally negatively correlate with the severity of both manic and depressive symptoms. We found no evidence for a significant impact of illness duration on BDNF levels. In addition, in plasma, but not serum, peripheral BDNF levels increase after the successful treatment of an acute mania episode, but not of a depressive one. CONCLUSIONS In summary, our data suggest that peripheral BDNF levels, more clearly in plasma than in serum, is a potential biomarker of disease activity in BD, but not a biomarker of stage. We suggest that peripheral BDNF may, in future, be used as a part of a blood protein composite measure to assess disease activity in BD.
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Affiliation(s)
- Brisa S Fernandes
- Deakin University, IMPACT Strategic Research Centre, School of Medicine, Geelong, Australia.
- Laboratory of Calcium Binding Proteins in the Central Nervous System, Department of Biochemistry, Federal University of Rio Grande do Sul, Porto Alegre, Brazil.
| | - Marc L Molendijk
- Institute of Psychology, Department of Clinical Psychology, Leiden University, Leiden, The Netherlands
- Leiden Institute for Brain and Cognition, Leiden University Medical Center, Leiden, The Netherlands
| | - Cristiano A Köhler
- Translational Psychiatry Research Group and Department of Clinical Medicine, Faculty of Medicine, Federal University of Ceará, Fortaleza, CE, Brazil
| | - Jair C Soares
- Center of Excellence on Mood Disorders, Department of Psychiatry and Behavioral Sciences, Texas Health and Science University, Houston, TX, USA
| | - Cláudio Manuel G S Leite
- Translational Psychiatry Research Group and Department of Clinical Medicine, Faculty of Medicine, Federal University of Ceará, Fortaleza, CE, Brazil
| | - Rodrigo Machado-Vieira
- Laboratory of Neuroscience, LIM-27, Institute and Department of Psychiatry, University of Sao Paulo, Sao Paulo, Brazil
- Center for Interdisciplinary Research on Applied Neurosciences (NAPNA), University of Sao Paulo, Sao Paulo, Brazil
- Experimental Therapeutics and Pathophysiology Branch, National Institute of Mental Health, NIH, Bethesda, MD, USA
| | - Thamara L Ribeiro
- Translational Psychiatry Research Group and Department of Clinical Medicine, Faculty of Medicine, Federal University of Ceará, Fortaleza, CE, Brazil
| | - Jéssica C Silva
- Translational Psychiatry Research Group and Department of Clinical Medicine, Faculty of Medicine, Federal University of Ceará, Fortaleza, CE, Brazil
| | - Paulo M G Sales
- Translational Psychiatry Research Group and Department of Clinical Medicine, Faculty of Medicine, Federal University of Ceará, Fortaleza, CE, Brazil
| | - João Quevedo
- Center of Excellence on Mood Disorders, Department of Psychiatry and Behavioral Sciences, Texas Health and Science University, Houston, TX, USA
- Center for Translational Psychiatry, Department of Psychiatry and Behavioral Sciences, The University of Texas Medical School at Houston, Houston, TX, USA
- Neuroscience Graduate Program, Graduate School of Biomedical Sciences, The University of Texas Health Science Center at Houston, Houston, TX, USA
- Laboratory of Neurosciences, Graduate Program in Health Sciences, Health Sciences Unit, University of Southern Santa Catarina, Criciúma, SC, Brazil
| | - Viola Oertel-Knöchel
- Laboratory for Neuroimaging, Department of Psychiatry, Psychosomatic Medicine and Psychotherapy, Goethe University, Frankfurt/Main, Germany
| | - Eduard Vieta
- Bipolar Disorders Unit, Institute of Neuroscience, Hospital Clinic, University of Barcelona, IDIBAPS, CIBERSAM, Barcelona, Catalonia, Spain
| | - Ana González-Pinto
- University of the Basque Country, Biomedical Research Center in Mental Health Net (CIBERSAM), Department of Neurosciences, University of the Basque Country, Leioa, Spain
| | - Michael Berk
- Deakin University, IMPACT Strategic Research Centre, School of Medicine, Geelong, Australia
- Florey Institute of Neuroscience and Mental Health, Orygen, The National Centre of Excellence in Youth Mental Health and Orygen Youth Health Research Centre, Parkville, VIC, Australia
- Department of Psychiatry, University of Melbourne, Parkville, VIC, Australia
| | - André F Carvalho
- Translational Psychiatry Research Group and Department of Clinical Medicine, Faculty of Medicine, Federal University of Ceará, Fortaleza, CE, Brazil.
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Xiao L, Kish VL, Benders KM, Wu ZX. Prenatal and Early Postnatal Exposure to Cigarette Smoke Decreases BDNF/TrkB Signaling and Increases Abnormal Behaviors Later in Life. Int J Neuropsychopharmacol 2015; 19:pyv117. [PMID: 26503133 PMCID: PMC4886663 DOI: 10.1093/ijnp/pyv117] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/17/2015] [Accepted: 10/07/2015] [Indexed: 01/09/2023] Open
Abstract
BACKGROUND Cigarette smoke exposure during prenatal and early postnatal periods increases the incidence of a variety of abnormal behaviors later in life. The purpose of this study was to identify the possible critical period of susceptibility to cigarette smoke exposure and evaluate the possibe effects of cigarette smoke during early life on brain-derived neurotrophic factor/neurotrophic tyrosine kinase receptor B signaling in the brain. METHODS Three different age of imprinting control region mice were exposed to cigarette smoke or filtered air for 10 consecutive days beginning on either gestational day 7 by maternal exposure, or postnatal days 2 or 21 by direct inhalation. A series of behavioral profiles and neurotrophins in brain were measured 24 hours after mice received acute restraint stress for 1 hour on postnatal day 59. RESULTS Cigarette smoke exposure in gestational day 7 and postnatal day 2 produced depression-like behaviors as evidenced by significantly increased immobility in both tail suspension and forced-swim test. Increased entry latencies, but not ambulation in the open field test, were also observed in the gestational day 7 and postnatal day 2 cigarette smoke exposure groups. Genetic analysis showed that gestational day 7 cigarette smoke exposure significantly altered mRNA level of brain-derived neurotrophic factor/tyrosine kinase receptor B in the hippocampus. However, behavioral profiles and brain-derived neurotrophic factor/tyrosine kinase receptor B signaling were not significantly changed in PND21 cigarette smoke exposure group compared with FA group. CONCLUSIONS These results suggest that a critical period of susceptibility to cigarette smoke exposure exists in the prenatal and early postnatal period, which results a downregulation in brain-derived neurotrophic factor/tyrosine kinase receptor B signaling in the hippocampus and enhances depression-like behaviors later in life.
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Affiliation(s)
| | | | | | - Zhong-Xin Wu
- Department of Neurobiology and Anatomy, Robert C. Byrd Health Sciences Center, West Virginia University, Morgantown, WV
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Lopes R, Soares R, Coelho R, Figueiredo-Braga M. Angiogenesis in the pathophysiology of schizophrenia — A comprehensive review and a conceptual hypothesis. Life Sci 2015; 128:79-93. [DOI: 10.1016/j.lfs.2015.02.010] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2014] [Revised: 01/27/2015] [Accepted: 02/12/2015] [Indexed: 01/11/2023]
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