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Bugge Kambestad O, Sirevåg K, Mrdalj J, Hovland A, Bruun Endal T, Andersson E, Sjøbø T, Haukenes Stavestrand S. Physical Exercise and Serum BDNF Levels: Accounting for the Val66Met Polymorphism in Older Adults. Cogn Behav Neurol 2023; 36:219-227. [PMID: 37404130 PMCID: PMC10683974 DOI: 10.1097/wnn.0000000000000349] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2022] [Accepted: 03/28/2023] [Indexed: 07/06/2023]
Abstract
BACKGROUND Brain-derived neurotrophic factor (BDNF) expression, which can be measured in blood serum, has been found to increase with aerobic exercise. The link between BDNF level, physical exercise, and genetic status (Val66Met polymorphism) has not been well researched in older adults. OBJECTIVE To investigate the possible link between BDNF expression, acute aerobic exercise, and the Val66Met polymorphism in older adults. METHOD Twenty-three healthy older adults participated in one session of acute aerobic exercise. Their serum BDNF levels were measured both at baseline and post exercise. Saliva samples were collected to identify each individual's genetic status. RESULTS At baseline, the individuals' mean serum BDNF level was 16.03 ng/mL (Val66Val = 15.89 ng/mL; Val66Met = 16.34 ng/mL); post exercise, the individuals' mean serum BDNF level was 16.81 ng/mL (Val66Val = 16.14 ng/mL; Val66Met = 18.34 ng/mL). CONCLUSION One session of acute aerobic exercise significantly increased the individuals' mean serum BDNF level. Males had higher BDNF levels than females. There was a significant interaction between gender and BDNF expression post exercise and a significant between-group effect of gender. The Val66Met carriers had a more positive response to the acute aerobic exercise compared with the Val66Val carriers, although without a significant difference between the two groups.
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Affiliation(s)
- Oda Bugge Kambestad
- Solli District Psychiatric Centre, Nesttun, Norway
- Institute for Clinical Psychology, University of Bergen, Bergen, Norway
| | - Kristine Sirevåg
- Solli District Psychiatric Centre, Nesttun, Norway
- Institute for Clinical Psychology, University of Bergen, Bergen, Norway
| | - Jelena Mrdalj
- Department of Biological and Medical Psychology, University of Bergen, Bergen, Norway
| | - Anders Hovland
- Solli District Psychiatric Centre, Nesttun, Norway
- Institute for Clinical Psychology, University of Bergen, Bergen, Norway
| | | | - Eva Andersson
- The Swedish School of Sport and Health Sciences, Stockholm, Sweden
- Karolinska Institute, Department of Neuroscience, Stockholm, Sweden
| | - Trond Sjøbø
- Solli District Psychiatric Centre, Nesttun, Norway
| | - Silje Haukenes Stavestrand
- Solli District Psychiatric Centre, Nesttun, Norway
- Institute for Clinical Psychology, University of Bergen, Bergen, Norway
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Zheng R, Zhang X, Gao Y, Gao D, Gong W, Zhang C, Dong G, Li Z. Biological effects of exposure to 2650 MHz electromagnetic radiation on the behavior, learning, and memory of mice. Brain Behav 2023; 13:e3004. [PMID: 37118929 PMCID: PMC10275548 DOI: 10.1002/brb3.3004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Revised: 03/09/2023] [Accepted: 03/27/2023] [Indexed: 04/30/2023] Open
Abstract
BACKGROUND With the development of communication technology, the public is paying increasing attention to whether electromagnetic radiation is harmful to health. Mobile phone communication has entered the 5G era, and there are almost no reports on electromagnetic radiation at 2650 MHz. Therefore, it is necessary to evaluate the risk of adverse effects of 5G mobile phone EMR exposure on the human brain. METHODS Male animals were continuously exposed to 2650 MHz-EMR for 28 days with a whole-body averaged specific absorption rate (WBSAR) of 2.06 W/kg for 4 h per day. Mouse behavior was assessed using the open-field test (OFT), elevated-plus maze (EPM), and tail suspension test (TST). The Morris water maze (MWM), HE staining, and TUNEL staining were used to evaluate the spatial memory ability and pathological morphology of hippocampal dentate gyrus cells. Additionally, the expression levels of brain-derived neurotrophic factor (BDNF), aminobutyric acid (GABA), and glucocorticoid (GR) in the hippocampus were detected by western blotting and immunohistochemistry, while the corticosterone (CORT) level in serum was detected by ELISA. RESULTS In the OFT, the total distance traveled, central distance traveled, and residence time significantly decreased in the EMR exposure group (p < .05). In EPM, the percentage of the number of times to open the arm and the percentage of time to open the arm significantly decreased in the EMR exposure group. However, in the TST, the two groups had no significant difference in the 4-min immobility time. In the MWM, the escape latency of the EMR exposure group was shorter than that of the control group, with no significant difference. Furthermore, CORT levels in serum were significantly increased in the EMR exposure group (p < .05), while the expression of BDNF and GR proteins in the hippocampus was reduced (p < .05), but there was no significant difference in GABA expression. CONCLUSIONS Our results indicate that exposure to 2650 MHz-EMR (WBSAR: 2.06 W/kg, 28 days, 4 h per day) had no significant effect on the spatial memory ability of mice (in comparison to little effect). The exposure may be associated with anxiety-like behavior in mice but not related to depression-like behavior in mice.
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Affiliation(s)
- Rongqi Zheng
- Laboratory of Electromagnetic Biological Effects, Beijing Insititute of Radiation and MedicineBeijingChina
| | - Xianxie Zhang
- Department of Pharmaceutical Sciences, Beijing Institute of Radiation and MedicineBeijingChina
| | - Yan Gao
- Laboratory of Electromagnetic Biological Effects, Beijing Insititute of Radiation and MedicineBeijingChina
| | - Dawen Gao
- Laboratory of Electromagnetic Biological Effects, Beijing Insititute of Radiation and MedicineBeijingChina
| | - Wenjing Gong
- Laboratory of Electromagnetic Biological Effects, Beijing Insititute of Radiation and MedicineBeijingChina
| | - Chenggang Zhang
- Laboratory of Electromagnetic Biological Effects, Beijing Insititute of Radiation and MedicineBeijingChina
| | - Guofu Dong
- Laboratory of Electromagnetic Biological Effects, Beijing Insititute of Radiation and MedicineBeijingChina
| | - Zhihui Li
- Laboratory of Electromagnetic Biological Effects, Beijing Insititute of Radiation and MedicineBeijingChina
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Lucon-Xiccato T, Tomain M, D’Aniello S, Bertolucci C. bdnf loss affects activity, sociability, and anxiety-like behaviour in zebrafish. Behav Brain Res 2023; 436:114115. [DOI: 10.1016/j.bbr.2022.114115] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2022] [Revised: 08/18/2022] [Accepted: 09/11/2022] [Indexed: 10/14/2022]
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Kaya-Akyüzlü D, Özkan-Kotiloğlu S, Bal C, Avcıoğlu G, Yalçın-Şahiner Ş, Şahiner İV. Sublingual buprenorphine/naloxone treatment is not affected by OPRM1 A118G and BDNF Va66Met polymorphisms, but alters the plasma beta-endorphin and BDNF levels in individuals with opioid use disorder. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2022; 95:103979. [PMID: 36174909 DOI: 10.1016/j.etap.2022.103979] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/23/2022] [Revised: 09/21/2022] [Accepted: 09/22/2022] [Indexed: 06/16/2023]
Abstract
The study aimed to examine the genetic contribution to buprenorphine (BUP) treatment in individuals with opioid use disorder (OUD), with a specific focus on BDNF and OPRM1 genes. A total of 113 controls and 111 OUD patients receiving sublingual BUP/naloxone were enrolled. OPRM1 A118G and BDNF Val66Met polymorphisms were investigated by PCR-FRLP. Plasma BDNF and beta-endorphin levels were assessed by ELISA kits in both groups. Blood BUP levels were measured by LC-MS/MS and normalized with daily BUP dose (BUP/D). OPRM1 A118G and BDNF Val66Met polymorphisms didn't have an effect on plasma beta-endorphin and BDNF levels in OUD patients, respectively. Interestingly, OUD patients had significantly higher plasma BDNF and lower beta-endorphin levels compared to the controls (p < 0.001). A negative and significant correlation between plasma BUP/D and BDNF levels was found. Age onset of first use was associated with OPRM1 A118G polymorphism. The findings indicated that sublingual BUP/naloxone may increase plasma BDNF levels, but may decrease beta-endorphin levels in individuals with OUD. Plasma BDNF level seemed to be decreased in a BUP/D concentration-dependent manner.
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Affiliation(s)
| | - Selin Özkan-Kotiloğlu
- Kırşehir Ahi Evran University, Faculty of Science and Art, Department of Molecular Biology and Genetics, Kırşehir, Turkey
| | - Ceylan Bal
- Ankara Yıldırım Beyazıt University, Department of Medical Biochemistry, Ankara, Turkey
| | - Gamze Avcıoğlu
- Ankara Yıldırım Beyazıt University, Department of Medical Biochemistry, Ankara, Turkey
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Chu L, Sun X, Jia X, Li D, Gao P, Zhang Y, Li J. The Relationship Among BDNF Val66Met Polymorphism, Plasma BDNF Level, and Trait Anxiety in Chinese Patients With Panic Disorder. Front Psychiatry 2022; 13:932235. [PMID: 35815047 PMCID: PMC9259790 DOI: 10.3389/fpsyt.2022.932235] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Accepted: 05/30/2022] [Indexed: 11/18/2022] Open
Abstract
BACKGROUND Brain-derived neurotrophic factor (BDNF) is a candidate for susceptibility locus of Panic disorder (PD). However, the findings about the role of the BDNF Val66Met variant in PD were not consistent. Till now, the relationship between BDNF Val66Met polymorphism and anxiety-related traits in PD patients has been rarely explored. This study aimed to explore the relationship among BDNF Val66Met polymorphism, plasma BDNF level and anxiety-related trait in Chinese PD patients. METHOD This multi-center study included 116 PD patients and 99 health controls. We detected single-nucleotide polymorphism (SNP) of BDNF rs6265 (Val66Met) and BDNF plasma level in the two groups. In addition, PD patients were administered the State-Trait Anxiety Inventory (STAI), Panic Disorder Severity Scale-Chinese Version (PDSS-CV) and Hamilton Anxiety Rating Scale (HAMA-14). Quantitative comparison of the differences of BDNF concentration among subjects with different genotypes and association between BDNF Val66Met genotype and trait anxiety were performed. RESULTS There were no significant differences in the genotype frequency (p = 0.79) or allele frequency (p = 0.88) between PD patients and health controls. BDNF plasma levels of PD patients were significantly lower than those in control group (p = 0.003). BDNF plasma levels of the Met/Met genotype were significantly lower than those of Val/Met genotype in PD patients (p = 0.033). PD patients carried Met/Met genotype showed significantly higher scores in STAI trait compared to those carried Val/Val genotype (p = 0.045) and Val/Met genotype (p = 0.018). STAI trait scores of PD patients with agoraphobia were significantly higher than those of patients without agoraphobia (p < 0.05). The ANCOVA showed that the dependent variable STAI trait score was significantly affected by factor "genotype" (Val/Val, Val/Met, Met/Met, p = 0.029), and covariate "agoraphobia" (p = 0.008). In this model, 11.5% of the variance of the STAI trait score was explained by the BDNF genotype. Contrast analysis showed STAI trait scores of Met/Met subjects were significantly higher than those of Val/Met (p = 0.018) and Val/Val individuals (p = 0.045). CONCLUSION We found that anxiety trait was associated with the BDNF polymorphism in PD patients. BDNF Met/Met genotype may decrease plasma BDNF level and increase trait anxiety in panic disorder.
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Affiliation(s)
- Lijun Chu
- Laboratory of Biological Psychiatry, Institute of Mental Health, Tianjin Anding Hospital, Mental Health Center of Tianjin Medical University, Tianjin, China
| | - Xia Sun
- Laboratory of Biological Psychiatry, Institute of Mental Health, Tianjin Anding Hospital, Mental Health Center of Tianjin Medical University, Tianjin, China
| | - Xiaoju Jia
- Laboratory of Biological Psychiatry, Institute of Mental Health, Tianjin Anding Hospital, Mental Health Center of Tianjin Medical University, Tianjin, China
| | - Dazhi Li
- Laboratory of Biological Psychiatry, Institute of Mental Health, Tianjin Anding Hospital, Mental Health Center of Tianjin Medical University, Tianjin, China
| | - Ping Gao
- Laboratory of Biological Psychiatry, Institute of Mental Health, Tianjin Anding Hospital, Mental Health Center of Tianjin Medical University, Tianjin, China
| | - Yong Zhang
- Laboratory of Biological Psychiatry, Institute of Mental Health, Tianjin Anding Hospital, Mental Health Center of Tianjin Medical University, Tianjin, China
| | - Jie Li
- Laboratory of Biological Psychiatry, Institute of Mental Health, Tianjin Anding Hospital, Mental Health Center of Tianjin Medical University, Tianjin, China
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Mosse IB, Sedlyar NG, Babenko AS, Mosse KA, Shulinsky RS, Kilchevsky AV. Association between Methylation of Neuromediator Brain System Genes and Psychoemotional Human Characteristics. RUSS J GENET+ 2021. [DOI: 10.1134/s1022795421120115] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Collins JM, Hill E, Bindoff A, King AE, Alty J, Summers MJ, Vickers JC. Association Between Components of Cognitive Reserve and Serum BDNF in Healthy Older Adults. Front Aging Neurosci 2021; 13:725914. [PMID: 34408648 PMCID: PMC8365170 DOI: 10.3389/fnagi.2021.725914] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2021] [Accepted: 07/13/2021] [Indexed: 11/13/2022] Open
Abstract
Background: The brain-derived neurotrophic factor (BDNF) protein has been shown to have a prominent role in neuron survival, growth, and function in experimental models, and the BDNF Val66Met polymorphism which regulates its expression has been linked to resilience toward the effects of aging on cognition. Cognitively stimulating activity is linked to both increased levels of BDNF in the brain, and protection against age-related cognitive decline. The aim of this study was to investigate the associations between serum BDNF levels, the BDNF Val66Met genotype, and components of cognitive reserve in early and mid-life, measured with the Lifetime of Experiences Questionnaire (LEQ). Methods: Serum BDNF levels were measured cross-sectionally in 156 participants from the Tasmanian Healthy Brain Project (THBP) cohort, a study examining the potential benefits of older adults engaging in a university-level education intervention. Multiple linear regression was used to estimate serum BDNF's association with age, education, gender, BDNF Val66Met genotype, later-life university-level study, and cognitively stimulating activities measured by the LEQ. Results: Serum BDNF in older adults was associated with early life education and training, increasing 0.007 log(pg/ml) [95%CI 0.001, 0.012] per unit on the LEQ subscale. Conversely, education and training in mid-life were associated with a -0.007 log(pg/ml) [-0.012, -0.001] decrease per unit on the LEQ subscale. Serum BDNF decreased with age (-0.008 log(pg/ml) [-0.015, -0.001] per year), and male gender (-0.109 log(pg/ml) [-0.203, -0.015]), but mean differences between the BDNF Val66Met polymorphisms were not significant (p = 0.066). All effect sizes were small, with mid-life education and training having the largest effect size ( η p 2 = 0.044). Conclusion: Education in both early and mid-life explained small but significant amounts of variance in serum BDNF levels, more than age or gender. These effects were opposed and independent, suggesting that education at different stages of life may be associated with different cognitive and neural demands. Education at different stages of life may be important covariates when estimating associations between other exposures and serum BDNF.
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Affiliation(s)
- Jessica M Collins
- Wicking Dementia Research and Education Centre, University of Tasmania, Hobart, TAS, Australia
| | - Edward Hill
- Wicking Dementia Research and Education Centre, University of Tasmania, Hobart, TAS, Australia
| | - Aidan Bindoff
- Wicking Dementia Research and Education Centre, University of Tasmania, Hobart, TAS, Australia
| | - Anna E King
- Wicking Dementia Research and Education Centre, University of Tasmania, Hobart, TAS, Australia
| | - Jane Alty
- Wicking Dementia Research and Education Centre, University of Tasmania, Hobart, TAS, Australia
| | - Mathew J Summers
- Wicking Dementia Research and Education Centre, University of Tasmania, Hobart, TAS, Australia.,School of Health and Behavioral Sciences, University of the Sunshine Coast, Sippy Downs, QLD, Australia
| | - James C Vickers
- Wicking Dementia Research and Education Centre, University of Tasmania, Hobart, TAS, Australia
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Galle S, Licher S, Milders M, Deijen JB, Scherder E, Drent M, Ikram A, van Duijn CM. Plasma Brain-Derived Neurotropic Factor Levels Are Associated with Aging and Smoking But Not with Future Dementia in the Rotterdam Study. J Alzheimers Dis 2021; 80:1139-1149. [PMID: 33646145 PMCID: PMC8150496 DOI: 10.3233/jad-200371] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Background: Brain-derived neurotropic factor (BDNF) plays a vital role in neuronal survival and plasticity and facilitates long-term potentiation, essential for memory. Alterations in BDNF signaling have been associated with cognitive impairment, dementia, and Alzheimer’s disease. Although peripheral BDNF levels are reduced in dementia patients, it is unclear whether changes in BDNF levels precede or follow dementia onset. Objective: In the present study, we examined the association between BDNF plasma levels and dementia risk over a follow-up period of up to 16 years. Methods: Plasma BDNF levels were assessed in 758 participants of the Rotterdam Study. Dementia was assessed from baseline (1997–1999) to follow-up until January 2016. Associations of plasma BDNF and incident dementia were assessed with Cox proportional hazards models, adjusted for age and sex. Associations between plasma BDNF and lifestyle and metabolic factors are investigated using linear regression. Results: During a follow up of 3,286 person-years, 131 participants developed dementia, of whom 104 had Alzheimer’s disease. We did not find an association between plasma BDNF and risk of dementia (adjusted hazard ratio 0.99; 95%CI 0.84–1.16). BDNF levels were positively associated with age (B = 0.003, SD = 0.001, p = 0.002), smoking (B = 0.08, SE = 0.01, p = < 0.001), and female sex (B = 0.03, SE = 0.01, p = 0.03), but not with physical activity level (B = –0.01, SE = 0.01, p = 0.06). Conclusion: The findings suggest that peripheral BDNF levels are not associated with an increased risk of dementia.
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Affiliation(s)
- Sara Galle
- Department of Clinical, Neuro- and Developmental Psychology, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands.,Department of Epidemiology, Erasmus Medical Center, Rotterdam, The Netherlands
| | - Silvan Licher
- Department of Epidemiology, Erasmus Medical Center, Rotterdam, The Netherlands
| | - Maarten Milders
- Department of Clinical, Neuro- and Developmental Psychology, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands
| | - Jan Berend Deijen
- Department of Clinical, Neuro- and Developmental Psychology, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands.,Hersencentrum Mental Health Institute, Amsterdam, The Netherlands
| | - Erik Scherder
- Department of Clinical, Neuro- and Developmental Psychology, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands
| | - Madeleine Drent
- Department of Clinical, Neuro- and Developmental Psychology, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands.,Department of Internal Medicine, Endocrinology Section, Amsterdam University Medical Center, Amsterdam, The Netherlands
| | - Arfan Ikram
- Department of Epidemiology, Erasmus Medical Center, Rotterdam, The Netherlands
| | - Cornelia M van Duijn
- Department of Epidemiology, Erasmus Medical Center, Rotterdam, The Netherlands.,Nuffield Department of Population Health, University of Oxford, Oxford, United Kingdom.,Big Data Institute, Li Ka Shing Centre for Health Information and Discovery, Oxford, United Kingdom
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Association of the Brain-derived Neurotrophic Factor Val66Met Polymorphism with Body Mass Index, Fasting Glucose Levels and Lipid Status in Adolescents. Balkan J Med Genet 2020; 23:77-82. [PMID: 32953413 PMCID: PMC7474215 DOI: 10.2478/bjmg-2020-0004] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023] Open
Abstract
Brain-derived neurotrophic factor (BDNF) has an important role in energy balance. It suppresses food intake, reduces hepatic glucose production and converts white fat into brown fat in adipose tissue, leading to energy dissipation, lowered blood glucose and a lean phenotype. Studies have shown that the single nucleotide polymorphism (SNP) Val66Met within BDNF may be associated with obesity, insulin sensitivity, type 2 diabetes mellitus (T2DM) and dyslipidemia. The objective of the study was to investigate the association of the Val66Met polymorphism with body mass index (BMI), fasting glucose levels and lipid profile in Serbian adolescents. The study included 308 randomly selected healthy adolescents, 153 (49.68%) boys and 155 girls (50.32%), 15 years of age. Data including age, gender, height, weight, lipid profile and fasting glucose were recorded. Genotyping was performed by the polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) method. No association of this polymorphism was found with BMI and lipid profile. However, significant association was observed between this polymorphism and fasting blood glucose (FBG). Carriers of a Val/Val genotype had significantly higher mean values of fasting glucose level compared to carriers of Val/ Met and Met/Met genotypes (p = 0.01). To confirm these results multiple linear regression analysis was performed. Body mass index and gender were taken as covariates. Carriers of the Val/Val genotype had significantly higher levels of FBG (β = -0.152, p = 0.02). A statistically significant association between BMI and glucose level was also observed (β = 0.124,p = 0.033). This polymorphism could be associated with fasting glucose level in Serbian adolescents, thus further research would be of great interest to validate these results.
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Fatahi Z, Zeinaddini-Meymand A, Karimi S, Khodagholi F, Haghparast A. Impairment of cost-benefit decision making in morphine-dependent rats is partly mediated via the alteration of BDNF and p-CREB levels in the nucleus accumbens. Pharmacol Biochem Behav 2020; 194:172952. [PMID: 32428531 DOI: 10.1016/j.pbb.2020.172952] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/13/2020] [Revised: 05/12/2020] [Accepted: 05/14/2020] [Indexed: 02/09/2023]
Abstract
The ability to choose goals based on decision usefulness or the time required to reach the goals chosen are important aspects of decision making. There is considerable evidence in the literature indicating the fact that drug abuse affects different aspects of cognition. In the current study, we assessed the effects of morphine dependence and its withdrawal on cost-benefit decision making and furthermore the involvement of BDNF and p-CREB in the nucleus accumbens, a key brain area involved in decision making was measured. Different groups of male Wistar rats were trained in an effort-based and/or delay-based form of cost-benefit T-maze decision-making task. Thereafter, the animals were morphine dependent and the percentage of the high reward preference was evaluated. After behavioral tests, the BDNF level, and p-CREB/CREB ratio were measured by Western blot analysis. The results showed that during effort-based but not delay-based decision making, BDNF and p-CREB levels increased. During effort-based decision making in morphine dependent rats, BDNF decreased but there was no significant change in p-CREB. Besides, during delay-based decision making in the morphine dependent group, both BDNF and p-CREB did not show any significant change. These findings revealed that BDNF and p-CREB/CREB ratio in the NAc are essential factors for effort-based but not delay-based decision making. In addition, impairment of effort-based decision making in morphine dependent rats is related to the decrease of BDNF level but not p-CREB/CREB ratio in the NAc. However, delay-based decision making defects in morphine dependent rats did not associate with the change in BDNF and p-CREB levels in the NAc.
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Affiliation(s)
- Zahra Fatahi
- Neuroscience Research Center, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Arman Zeinaddini-Meymand
- Neuroscience Research Center, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Sara Karimi
- Neuroscience Research Center, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Fariba Khodagholi
- Neuroscience Research Center, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Abbas Haghparast
- Neuroscience Research Center, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
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BDNF Genotype and Baseline Serum Levels in Relation to Electroconvulsive Therapy Effectiveness in Treatment-Resistant Depressed Patients. J ECT 2019; 35:189-194. [PMID: 30994478 DOI: 10.1097/yct.0000000000000583] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
OBJECTIVES Electroconvulsive therapy (ECT) represents one of the most effective therapies for treatment-resistant depression (TRD). The brain-derived neurotrophic factor (BDNF) is a neurotrophin implicated in major depressive disorder and in the effects of different therapeutic approaches, including ECT. Both BDNF peripheral levels and Val66Met polymorphism have been suggested as biomarkers of treatment effectiveness. The objective of this study was to test the potential of serum BDNF levels and Val66Met polymorphism in predicting ECT outcome in TRD patients. METHODS Seventy-four TRD patients scheduled to undergo ECT were included in the study. Illness severity was assessed through the Montgomery and Asberg Depression Rating Scale before beginning ECT (T0), the day after the end of ECT (T1), and 1 month after the end of ECT (T2). At T1, patients were classified as responders/nonresponders and remitters/nonremitters, whereas at T2, they were classified as sustained responders/nonresponders and sustained remitters/nonremitters. Serum concentrations of BDNF were measured at T0, and the BDNF Val66Met polymorphism was genotyped. RESULTS No difference in BDNF concentrations was observed in responders versus nonresponders, in remitters versus nonremitters, in sustained responders versus sustained nonresponders, and in sustained remitters versus sustained nonremitters. No association of Val66Met polymorphism was detected with both the response and the remission status. CONCLUSIONS Baseline serum BDNF levels and the BDNF Val66Met polymorphism showed no clinical utility in predicting ECT outcome in TRD patients.
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12
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Porcelli S, Marsano A, Caletti E, Sala M, Abbiati V, Bellani M, Perlini C, Rossetti MG, Mandolini GM, Pigoni A, Paoli RA, Piccin S, Lazzaretti M, Fabbro D, Damante G, Bonivento C, Ferrari C, Rossi R, Pedrini L, Serretti A, Brambilla P. Temperament and Character Inventory in Bipolar Disorder versus Healthy Controls and Modulatory Effects of 3 Key Functional Gene Variants. Neuropsychobiology 2018; 76:209-221. [PMID: 30041166 DOI: 10.1159/000490955] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/20/2018] [Accepted: 06/18/2018] [Indexed: 12/11/2022]
Abstract
BACKGROUND Bipolar disorder (BD) has been associated with temperamental and personality traits, although the relationship is still to be fully elucidated. Several studies investigated the genetic basis of temperament and character, identifying catechol-O-methyltransferase (COMT), brain derived neurotrophic factor (BDNF), and serotonin transporter (5-HTT) gene variants as strong candidates. METHODS In the GECO-BIP study, 125 BD patients and 173 HC were recruited. Subjects underwent to a detailed assessment and the temperament and character inventory 125 items (TCI) was administrated. Three functional genetic variants within key candidate genes (COMT rs4680, BDNF rs6265, and the serotonin-transporter-linked polymorphic region (5-HTTLPR)) were genotyped. Univariate and multivariate analyses were performed. RESULTS Compared to HC, BD patients showed higher scores in novelty seeking (NS; p = 0.001), harm avoidance (HA; p < 0.001), and self transcendence (St; p < 0.001), and lower scores in self directness (p < 0.001) and cooperativeness (p < 0.001) TCI dimensions. Concerning the genetic analyses, COMT rs4680 was associated with NS in the total sample (p = 0.007) and in the male subsample (p = 0.022). When performing the analysis in the HC and BD samples, the association was confirmed only in HC (p = 0.012), and in the HC male subgroup in particular (p = 0.004). BDNF rs6265 was associated with St in the BD group (p = 0.017). CONCLUSION COMT rs4680 may modulate NS in males in the general population. This effect was not detected in BD patients, probably because BD alters the neurobiological basis of some TCI dimensions. BDNF rs6265 seems to modulate St TCI dimension only in BD patients, possibly modulating the previously reported association between rs6265 and BD treatment response. Further studies are needed to confirm our findings.
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Affiliation(s)
- Stefano Porcelli
- Department of Biomedical and NeuroMotor Sciences, University of Bologna, Bologna, Italy
| | - Agnese Marsano
- Department of Biomedical and NeuroMotor Sciences, University of Bologna, Bologna, Italy
| | - Elisabetta Caletti
- Department of Neurosciences and Mental Health, IRCCS Fondazione Ca' Granda Ospedale Maggiore Policlinico, University of Milan, Milan, Italy
| | - Michela Sala
- Department of Mental Health, Azienda Sanitaria Locale Alessandria, Alessandria, Italy
| | - Vera Abbiati
- Department of Brain and Behavioral Sciences, University of Pavia, Pavia, Italy
| | - Marcella Bellani
- Department of Neurosciences, Biomedicine and Movement Sciences, Section of Psychiatry and Clinical Psychology, University of Verona, Verona, Italy.,UOC Psychiatry, Azienda Ospedaliera Universitaria Integrata Verona (AOUI), Verona, Italy
| | - Cinzia Perlini
- Department of Neurosciences, Biomedicine and Movement Sciences, Section of Psychiatry and Clinical Psychology, University of Verona, Verona, Italy.,UOC Psychiatry, Azienda Ospedaliera Universitaria Integrata Verona (AOUI), Verona, Italy
| | - Maria Gloria Rossetti
- Department of Neurosciences, Biomedicine and Movement Sciences, Section of Psychiatry and Clinical Psychology, University of Verona, Verona, Italy
| | - Gian Mario Mandolini
- Department of Neurosciences and Mental Health, IRCCS Fondazione Ca' Granda Ospedale Maggiore Policlinico, University of Milan, Milan, Italy
| | - Alessandro Pigoni
- Department of Neurosciences and Mental Health, IRCCS Fondazione Ca' Granda Ospedale Maggiore Policlinico, University of Milan, Milan, Italy
| | - Riccardo Augusto Paoli
- Department of Neurosciences and Mental Health, IRCCS Fondazione Ca' Granda Ospedale Maggiore Policlinico, University of Milan, Milan, Italy
| | - Sara Piccin
- Scientific Institute IRCCS "Eugenio Medea," Polo FVG, San Vito al Tagliamento, Pordenone, Italy
| | - Matteo Lazzaretti
- Department of Neurosciences and Mental Health, IRCCS Fondazione Ca' Granda Ospedale Maggiore Policlinico, University of Milan, Milan, Italy
| | - Dora Fabbro
- Institute of Medical Genetics, Department of Laboratory Medicine, University of Udine, Udine, Italy
| | - Giuseppe Damante
- Institute of Medical Genetics, Department of Laboratory Medicine, University of Udine, Udine, Italy
| | - Carolina Bonivento
- Unit of Psychiatry, Department of Medicine (DAME), University of Udine, Udine, Italy
| | - Clarissa Ferrari
- Service of Statistics, IRCCS Centro San Giovanni di Dio FBF, Brescia, Italy
| | - Roberta Rossi
- Unit of Psychiatry, IRCCS Centro San Giovanni di Dio FBF, Brescia, Italy
| | - Laura Pedrini
- Unit of Psychiatry, IRCCS Centro San Giovanni di Dio FBF, Brescia, Italy
| | - Alessandro Serretti
- Department of Biomedical and NeuroMotor Sciences, University of Bologna, Bologna, Italy
| | - Paolo Brambilla
- Department of Neurosciences and Mental Health, IRCCS Fondazione Ca' Granda Ospedale Maggiore Policlinico, University of Milan, Milan, Italy.,Department of Psychiatry and Behavioral Sciences, University of Texas at Houston, Houston, Texas, USA
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Shen T, You Y, Joseph C, Mirzaei M, Klistorner A, Graham SL, Gupta V. BDNF Polymorphism: A Review of Its Diagnostic and Clinical Relevance in Neurodegenerative Disorders. Aging Dis 2018; 9:523-536. [PMID: 29896439 PMCID: PMC5988606 DOI: 10.14336/ad.2017.0717] [Citation(s) in RCA: 82] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2017] [Accepted: 07/17/2017] [Indexed: 12/17/2022] Open
Abstract
Brain-derived neurotrophic factor (BDNF) has a unique role in the neuronal development, differentiation, and survival in the developing and adult nervous system. A common single-nucleotide polymorphism in the pro-region of the human BDNF gene, resulting in a valine to methionine substitution (Val66Met), has been associated with the susceptibility, incidence, and clinical features of several neurodegenerative disorders. Much research has been dedicated to evaluating the effects of polymorphism in the past decade, and functional effects of this genetic variation. A better understanding of how this naturally occurring polymorphism associates with or influences physiology, anatomy, and cognition in both healthy and diseased adults in neurodegenerative conditions will help understand neurochemical mechanisms and definable clinical outcomes in humans. Here we review the role and relevance of the BDNF Val66Met polymorphism in neurodegenerative diseases, with particular emphasis on glaucoma, multiple sclerosis (MS), Alzheimer’s disease (AD) and Parkinson’s disease (PD). Several controversies and unresolved issues, including small effect sizes, possible ethnicity, gender, and age effects of the BDNF Val66Met are also discussed with respect to future research.
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Affiliation(s)
- Ting Shen
- 1Faculty of Medicine and Health Sciences, Macquarie University, Australia
| | - Yuyi You
- 2Save Sight Institute, Sydney University, Sydney, Australia
| | - Chitra Joseph
- 1Faculty of Medicine and Health Sciences, Macquarie University, Australia
| | - Mehdi Mirzaei
- 3Faculty of Science and Engineering, Macquarie University, Australia
| | - Alexander Klistorner
- 1Faculty of Medicine and Health Sciences, Macquarie University, Australia.,2Save Sight Institute, Sydney University, Sydney, Australia
| | - Stuart L Graham
- 1Faculty of Medicine and Health Sciences, Macquarie University, Australia.,2Save Sight Institute, Sydney University, Sydney, Australia
| | - Vivek Gupta
- 1Faculty of Medicine and Health Sciences, Macquarie University, Australia
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14
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BDNF and NRG1 polymorphisms and temperament in selective serotonin reuptake inhibitor-treated patients with major depression. Acta Neuropsychiatr 2018; 30:168-174. [PMID: 29310728 DOI: 10.1017/neu.2017.37] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
OBJECTIVE We investigated the separate effects of and possible interactions between the functional polymorphisms of brain-derived neurotrophic factor (BDNF) rs11030101, BDNF rs61888800, and neuregulin-1 (NRG1) rs3924999 and NRG1 rs6994992 on change of temperament scores in a clinical sample of subjects with major depression (MDD), who received selective serotonin reuptake inhibitor treatment for a period of 6 weeks. METHODS The study population consisted of 98 Finnish individuals with MDD. They were assessed by the 107-item Temperament and Character Inventory temperament questionnaire (version IX) and the Montgomery-Åsberg Depression Rating Scale (MADRS). In general linear univariate models (GLM) for novelty seeking (NS) or reward dependence (RD) change age, gender, MADRS score change and BDNF and NRG1 genotypes were used as explaining explanatory variables. RESULTS Mean comparisons between corresponding temperament dimensions and genotypes showed significant differences between NS change and BDNF rs61888800 T-carrying status (mean difference: GG 0.30, GT/TT 2.47, p=0.022, t-test) and between RD change and NRG1 rs3924999 A-carrying status (mean difference: GG 1.21, GA/AA -0.33, p=0.003). In GLM models for NS change the significant predictors comprised BDNF rs61888800 T-carrying status, age and MADRS score change (model 1), and additionally NRG1 rs6994992 T-carrying status (model 2). For RD change the predictors included NRG1 rs3924999 A-carrying status, age and MADRS score change (model 1) and additionally gender (model 2). CONCLUSION According to the current results both BDNF and NRG1 are associated with temperament traits during depression. These results warrant further studies regarding the impact of this association on depression recovery.
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15
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Laricchiuta D, Andolina D, Angelucci F, Gelfo F, Berretta E, Puglisi-Allegra S, Petrosini L. Cerebellar BDNF Promotes Exploration and Seeking for Novelty. Int J Neuropsychopharmacol 2018; 21:485-498. [PMID: 29471437 PMCID: PMC5932472 DOI: 10.1093/ijnp/pyy015] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/28/2017] [Revised: 01/29/2018] [Accepted: 02/13/2018] [Indexed: 12/11/2022] Open
Abstract
Background Approach system considered a motivational system that activates reward-seeking behavior is associated with exploration/impulsivity, whereas avoidance system considered an attentional system that promotes inhibition of appetitive responses is associated with active overt withdrawal. Approach and avoidance dispositions are modulated by distinct neurochemical profiles and synaptic patterns. However, the precise working of neurons and trafficking of molecules in the brain activity predisposing to approach and avoidance are yet unclear. Methods In 3 phenotypes of inbred mice, avoiding, balancing, and approaching mice, selected by using the Approach/Avoidance Y-maze, we analyzed endogenous brain levels of brain derived neurotrophic factor, one of the main secretory proteins with pleiotropic action. To verify the effects of the acute increase of brain derived neurotrophic factor, balancing and avoiding mice were bilaterally brain derived neurotrophic factor-infused in the cortical cerebellar regions. Results Approaching animals showed high levels of explorative behavior and response to novelty and exhibited higher brain derived neurotrophic factor levels in the cerebellar structures in comparison to the other 2 phenotypes of mice. Interestingly, brain derived neurotrophic factor-infused balancing and avoiding mice significantly increased their explorative behavior and response to novelty. Conclusions Cerebellar brain derived neurotrophic factor may play a role in explorative and novelty-seeking responses that sustain the approach predisposition.
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Affiliation(s)
- Daniela Laricchiuta
- Fondazione Santa Lucia, Rome, Italy
- Department of Psychology, Faculty of Medicine and Psychology, University “Sapienza” of Rome, Rome, Italy
| | - Diego Andolina
- Fondazione Santa Lucia, Rome, Italy
- Department of Psychology, Faculty of Medicine and Psychology, University “Sapienza” of Rome, Rome, Italy
| | - Francesco Angelucci
- Fondazione Santa Lucia, Rome, Italy
- Memory Clinic, Department of Neurology, Charles University, 2nd Faculty of Medicine and Motol University Hospital, Prague, Czech Republic
| | - Francesca Gelfo
- Fondazione Santa Lucia, Rome, Italy
- Department of TeCoS, Guglielmo Marconi University, Rome, Italy
| | - Erica Berretta
- Fondazione Santa Lucia, Rome, Italy
- Department of Psychology, Faculty of Medicine and Psychology, University “Sapienza” of Rome, Rome, Italy
- Behavioral Neuroscience PhD Programme
| | - Stefano Puglisi-Allegra
- Fondazione Santa Lucia, Rome, Italy
- Department of Psychology, Faculty of Medicine and Psychology, University “Sapienza” of Rome, Rome, Italy
| | - Laura Petrosini
- Fondazione Santa Lucia, Rome, Italy
- Department of Psychology, Faculty of Medicine and Psychology, University “Sapienza” of Rome, Rome, Italy
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16
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Martin L, Hemmings SMJ, Kidd M, Seedat S. No gene-by-environment interaction of BDNF Val66Met polymorphism and childhood maltreatment on anxiety sensitivity in a mixed race adolescent sample. Eur J Psychotraumatol 2018; 9:1472987. [PMID: 29805780 PMCID: PMC5965035 DOI: 10.1080/20008198.2018.1472987] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/27/2017] [Accepted: 04/20/2018] [Indexed: 12/22/2022] Open
Abstract
Background: Anxiety disorders in youth are attributable to multiple causal mechanisms, comprising biological vulnerabilities, such as genetics and temperament, and unfavourable environmental influences, such as childhood maltreatment (CM). Objective: A gene-environment (G x E) interaction study was conducted to determine the interactive effect of the BDNF Val66Met polymorphism and CM to increase susceptibility to anxiety sensitivity (AS) in a sample of mixed race adolescents. Method: Participants (n = 308, mean age = 15.8 years) who were all secondary school students and who completed measures for AS and CM were genotyped for the BDNF Val66Met polymorphism. Hierarchical multiple regression analysis was conducted to assess G x E influences on AS. Age and gender were included in the models as covariates as age was significantly associated with AS total score (p < .05), and females had significantly higher AS scores than males (p < .05). Results: A main effect of CM on AS was evident (p < .05), however, no main effect of BDNF genotype on AS was observed (p > .05). A non-significant G x E effect on AS was revealed (p < .05). Conclusions: Our results suggest that CM does not have a moderating role in the relationship between the BDNF Val66Met genotype and the increased risk of anxiety-related phenotypes, such as AS. Given the exploratory nature of this study, findings require replication in larger samples and adjustment for population stratification to further explore the role of BDNF Val66Met and CM on AS in mixed race adolescents.
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Affiliation(s)
- Lindi Martin
- Department of Psychiatry, Stellenbosch University, Cape Town, South Africa
| | | | - Martin Kidd
- Department of Statistics and Actuarial Science, Stellenbosch University, Cape Town, South Africa
| | - Soraya Seedat
- Department of Psychiatry, Stellenbosch University, Cape Town, South Africa
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17
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Bouvier E, Brouillard F, Molet J, Claverie D, Cabungcal JH, Cresto N, Doligez N, Rivat C, Do KQ, Bernard C, Benoliel JJ, Becker C. Nrf2-dependent persistent oxidative stress results in stress-induced vulnerability to depression. Mol Psychiatry 2017; 22:1701-1713. [PMID: 27646262 DOI: 10.1038/mp.2016.144] [Citation(s) in RCA: 134] [Impact Index Per Article: 19.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/20/2015] [Revised: 05/23/2016] [Accepted: 07/18/2016] [Indexed: 12/18/2022]
Abstract
Stressful life events produce a state of vulnerability to depression in some individuals. The mechanisms that contribute to vulnerability to depression remain poorly understood. A rat model of intense stress (social defeat (SD), first hit) produced vulnerability to depression in 40% of animals. Only vulnerable animals developed a depression-like phenotype after a second stressful hit (chronic mild stress). We found that this vulnerability to depression resulted from a persistent state of oxidative stress, which was reversed by treatment with antioxidants. This persistent state of oxidative stress was due to low brain-derived neurotrophic factor (BDNF) levels, which characterized the vulnerable animals. We found that BDNF constitutively controlled the nuclear translocation of the master redox-sensitive transcription factor Nrf2, which activates antioxidant defenses. Low BDNF levels in vulnerable animals prevented Nrf2 translocation and consequently prevented the activation of detoxifying/antioxidant enzymes, ultimately resulting in the generation of sustained oxidative stress. Activating Nrf2 translocation restored redox homeostasis and reversed vulnerability to depression. This mechanism was confirmed in Nrf2-null mice. The mice displayed high levels of oxidative stress and were inherently vulnerable to depression, but this phenotype was reversed by treatment with antioxidants. Our data reveal a novel role for BDNF in controlling redox homeostasis and provide a mechanistic explanation for post-stress vulnerability to depression while suggesting ways to reverse it. Because numerous enzymatic reactions produce reactive oxygen species that must then be cleared, the finding that BDNF controls endogenous redox homeostasis opens new avenues for investigation.
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Affiliation(s)
- E Bouvier
- Sorbonne Universités, UPMC Univ Paris 06, INSERM, CNRS, Neurosciences Paris Seine - Institut de Biologie Paris Seine (NPS - IBPS), Site Pitié-Salpêtrière, Paris, France.,INSERM, U1130, Paris, France.,CNRS, UMR8246, Paris, France
| | - F Brouillard
- Université Paris Descartes, Sorbonne Paris Cité, Faculté de Médecine, Paris, France.,Institut de Chimie des Substances Naturelles, UPR2301 CNRS, Equipe 34, Centre de Recherche de Gif, Gif-sur-Yvette, France
| | - J Molet
- Sorbonne Universités, UPMC Univ Paris 06, INSERM, CNRS, Neurosciences Paris Seine - Institut de Biologie Paris Seine (NPS - IBPS), Site Pitié-Salpêtrière, Paris, France.,INSERM, U1130, Paris, France.,CNRS, UMR8246, Paris, France
| | - D Claverie
- Sorbonne Universités, UPMC Univ Paris 06, INSERM, CNRS, Neurosciences Paris Seine - Institut de Biologie Paris Seine (NPS - IBPS), Site Pitié-Salpêtrière, Paris, France.,INSERM, U1130, Paris, France.,CNRS, UMR8246, Paris, France.,Institut de Recherche Biomédicale des Armées (IRBA), BP 73, Brétigny sur Orge, France
| | - J-H Cabungcal
- Center for Psychiatric Neuroscience, Department of Psychiatry, Centre Hospitalier Universitaire Vaudois and University of Lausanne, Prilly-Lausanne, Switzerland
| | - N Cresto
- Sorbonne Universités, UPMC Univ Paris 06, INSERM, CNRS, Neurosciences Paris Seine - Institut de Biologie Paris Seine (NPS - IBPS), Site Pitié-Salpêtrière, Paris, France.,INSERM, U1130, Paris, France.,CNRS, UMR8246, Paris, France
| | - N Doligez
- Sorbonne Universités, UPMC Univ Paris 06, INSERM, CNRS, Neurosciences Paris Seine - Institut de Biologie Paris Seine (NPS - IBPS), Site Pitié-Salpêtrière, Paris, France.,INSERM, U1130, Paris, France.,CNRS, UMR8246, Paris, France
| | - C Rivat
- Sorbonne Universités, UPMC Univ Paris 06, INSERM, CNRS, Neurosciences Paris Seine - Institut de Biologie Paris Seine (NPS - IBPS), Site Pitié-Salpêtrière, Paris, France.,INSERM, U1130, Paris, France.,CNRS, UMR8246, Paris, France
| | - K Q Do
- Center for Psychiatric Neuroscience, Department of Psychiatry, Centre Hospitalier Universitaire Vaudois and University of Lausanne, Prilly-Lausanne, Switzerland
| | - C Bernard
- Aix Marseille Univ, Inserm, INS, Institut de Neurosciences des Systèmes, Marseille, France
| | - J-J Benoliel
- Sorbonne Universités, UPMC Univ Paris 06, INSERM, CNRS, Neurosciences Paris Seine - Institut de Biologie Paris Seine (NPS - IBPS), Site Pitié-Salpêtrière, Paris, France.,INSERM, U1130, Paris, France.,CNRS, UMR8246, Paris, France.,AP-HP, Hôpital de la Pitié-Salpêtrière, Service de Biochimie Endocrinienne et Oncologique, Paris, France
| | - C Becker
- Sorbonne Universités, UPMC Univ Paris 06, INSERM, CNRS, Neurosciences Paris Seine - Institut de Biologie Paris Seine (NPS - IBPS), Site Pitié-Salpêtrière, Paris, France.,INSERM, U1130, Paris, France.,CNRS, UMR8246, Paris, France.,Université Paris Descartes, Sorbonne Paris Cité, Faculté de Médecine, Paris, France
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18
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Assessment of Brain Derived Neurotrophic Factor in hair to study stress responses: A pilot investigation. Psychoneuroendocrinology 2017; 86:134-143. [PMID: 28957772 DOI: 10.1016/j.psyneuen.2017.09.007] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/24/2017] [Revised: 08/01/2017] [Accepted: 09/06/2017] [Indexed: 02/02/2023]
Abstract
To study pathogenic stress-effects in health and disease, it is paramount to define easy access parameters for non-invasive analysis of biological change in response to stress. Hair samples successfully provide this access for the study of hypothalamus-pituitary-adrenal axis (HPA) changes. In this study, we assess the hair expression and corresponding epigenetic changes of a neurotrophin essential for autonomic nervous system function and mental health: brain derived neurotrophic factor (BDNF). In three independent studies in healthy academic volunteers (study I: German students, N=36; study II, German academic population sample, N=28; study III: Mexican students, N=115), BDNF protein expression or BDNF gene (BDNF) histone acetylation was determined. Simultaneously, mental distress and distress-associated somatic complaints were assessed by self-report. In study I, we found a negative correlation between hair-BDNF protein level and hair-cortisol as well as between hair-BDNF and somatic complaints, while hair-cortisol correlated positively with mental distress. In study II, we found a negative correlation between H4 histone acetylation at the BDNF gene P4-promoter and somatic complaints. Regression analysis confirmed confounder stability of associations in both studies. In study III, we confirmed study I and found lower hair-BDNF protein level in volunteers with high somatic complaints, who also reported higher mental distress during the end of term exams. The results indicate that BDNF protein levels can be detected in clipped hair and are associated with somatic complaints and stress in life. In addition, we concluded that plucked hair can provide material for the study of epigenetic changes in stress-affected tissues. These tools can prove valuable for future studies on distress, both under experimental and field conditions.
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19
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Skibinska M, Groszewska A, Kapelski P, Rajewska-Rager A, Pawlak J, Dmitrzak-Weglarz M, Szczepankiewicz A, Twarowska-Hauser J. Val66Met functional polymorphism and serum protein level of brain-derived neurotrophic factor (BDNF) in acute episode of schizophrenia and depression. Pharmacol Rep 2017; 70:55-59. [PMID: 29331787 DOI: 10.1016/j.pharep.2017.08.002] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2017] [Revised: 07/04/2017] [Accepted: 08/07/2017] [Indexed: 12/13/2022]
Abstract
BACKGROUND Brain-derived neurotrophic factor (BDNF) influences neuron differentiation during development as well as the synaptic plasticity and neuron survival in adulthood. BDNF has been implicated in the pathogenesis of schizophrenia and depression. Val66Met polymorphism and BDNF serum level are potential biomarkers in neuropsychiatric disorders. The aim of this study was to determine the effect of BDNF gene Val66Met functional polymorphism on serum BDNF concentration in patients with schizophrenia, during depression episode and in healthy control group. METHODS 183 participants were recruited (61 patients with depressive episode, 56 females with schizophrenia, 66 healthy controls) from Polish population. Serum BDNF levels were measured using ELISA method. Val66Met polymorphism was genotyped using PCR- RFLP method. RESULTS Serum BDNF levels were not associated with Val66Met polymorphism in either of the groups. A significant increase of BDNF level in schizophrenia (p = 0.0005) and depression (p = 0.026) comparing to the control group has been observed. CONCLUSIONS Our results suggest that the functional Val66Met BDNF polymorphism is not associated with BDNF serum levels, which is in line with previous findings. Replication studies on larger groups are needed.
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Affiliation(s)
- Maria Skibinska
- Laboratory of Psychiatric Genetics, Department of Psychiatry, Poznan University of Medical Sciences, Poznań, Poland.
| | - Agata Groszewska
- Department of Biochemistry, Institute of Molecular Biology and Biotechnology, Faculty of Biology, Adam Mickiewicz University, Poznań, Poland
| | - Pawel Kapelski
- Laboratory of Psychiatric Genetics, Department of Psychiatry, Poznan University of Medical Sciences, Poznań, Poland
| | | | - Joanna Pawlak
- Laboratory of Psychiatric Genetics, Department of Psychiatry, Poznan University of Medical Sciences, Poznań, Poland
| | - Monika Dmitrzak-Weglarz
- Laboratory of Psychiatric Genetics, Department of Psychiatry, Poznan University of Medical Sciences, Poznań, Poland
| | - Aleksandra Szczepankiewicz
- Laboratory of Psychiatric Genetics, Department of Psychiatry, Poznan University of Medical Sciences, Poznań, Poland; Laboratory of Molecular and Cell Biology, Poznan University of Medical Sciences, Poznań, Poland
| | - Joanna Twarowska-Hauser
- Laboratory of Psychiatric Genetics, Department of Psychiatry, Poznan University of Medical Sciences, Poznań, Poland
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20
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Kawada T. Plasma BDNF levels and anxiety in women with recovery from anorexia nervosa. Physiol Behav 2017; 177:263. [DOI: 10.1016/j.physbeh.2017.05.016] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2017] [Revised: 05/15/2017] [Accepted: 05/15/2017] [Indexed: 11/30/2022]
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21
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Nubukpo P, Ramoz N, Girard M, Malauzat D, Gorwood P. Determinants of Blood Brain-Derived Neurotrophic Factor Blood Levels in Patients with Alcohol Use Disorder. Alcohol Clin Exp Res 2017; 41:1280-1287. [PMID: 28485899 DOI: 10.1111/acer.13414] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2017] [Accepted: 05/02/2017] [Indexed: 01/09/2023]
Abstract
BACKGROUND Blood brain-derived neurotrophic factor (BDNF) levels are influenced by both addiction and mood disorders, as well as somatic conditions, gender, and genetic polymorphisms, leading to widely varying results. Depressive symptoms and episodes are frequently observed in patients with alcohol use disorder, and vary widely over time, making it a challenge to determine which aspects are specifically involved in variations of serum BDNF levels in this population. METHODS We assessed 227 patients with alcohol dependence involved in a detoxification program, at baseline and after a follow-up of 6 months, for the Alcohol Use Disorders Identification Test score, the length of alcohol dependence, and the number of past detoxification programs. The Beck Depression Inventory and information on current tobacco and alcohol use, suicidal ideation, body mass index, age, gender, and psychotropic treatments were also collected. Serum BDNF (ELISA) and 2 genetic polymorphisms of the BDNF gene (Val33Met and rs962369) were analyzed. RESULTS The presence of the Met allele, 2 markers of the history of alcohol dependence (gamma glutamyl transferase and the number of past treatments in detoxification programs), and the presence of a depressive episode (but not depressive score) were significantly associated with the 2 blood levels of BDNF at baseline and after 6 months. After controlling for baseline BDNF levels, the presence of the Met allele and an ongoing depressive episode were the only variables associated with changes in BNDF levels after 6 months. CONCLUSIONS Low serum BDNF levels are associated with characteristics related to alcohol consumption and mood disorders, and variants of the BDNF gene in alcohol use disorder patients. The factors that most strongly influenced changes in serum BDNF levels following treatment in an alcohol detoxification program were variants of the BDNF gene and ongoing depression.
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Affiliation(s)
- Philippe Nubukpo
- Pôle d'Addictologie, Centre Hospitalier Esquirol, Limoges, France.,Unité de Recherche et de Neurostimulation, Centre Hospitalier Esquirol, Limoges, France
| | - Nicolas Ramoz
- Inserm UMR894, Centre de Psychiatrie et Neurosciences, Paris, France
| | - Murielle Girard
- Unité de Recherche et de Neurostimulation, Centre Hospitalier Esquirol, Limoges, France
| | - Dominique Malauzat
- Unité de Recherche et de Neurostimulation, Centre Hospitalier Esquirol, Limoges, France
| | - Philip Gorwood
- Inserm UMR894, Centre de Psychiatrie et Neurosciences, Paris, France.,Clinique des Maladies Mentales et de l'Encéphale (CMME), Hôpital Sainte-Anne, Université Paris Descartes, Paris Cedex, France
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22
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Giusti L, Provenzi L, Tavian D, Missaglia S, Butti N, Montirosso R. The BDNF val66met polymorphism and individual differences in temperament in 4-month-old infants: A pilot study. Infant Behav Dev 2017; 47:22-26. [DOI: 10.1016/j.infbeh.2017.01.006] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2016] [Revised: 12/23/2016] [Accepted: 01/26/2017] [Indexed: 12/13/2022]
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23
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Ambrus L, Sunnqvist C, Ekman R, Träskman-Bendz L, Westrin Å. Plasma Brain-Derived Neurotrophic Factor and Psychopathology in Attempted Suicide. Neuropsychobiology 2017; 73:241-8. [PMID: 27327436 DOI: 10.1159/000446286] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/13/2015] [Accepted: 04/19/2016] [Indexed: 11/19/2022]
Abstract
BACKGROUND/AIMS Increasing evidence suggests a link between brain-derived neurotrophic factor (BDNF) and suicidal behaviour (SB). Furthermore, decreased peripheral BDNF levels have been associated with clinical symptoms in various psychiatric disorders as well as with personality dimensions in healthy individuals. However, the relationship between BDNF and psychopathology is poorly investigated regarding SB. METHODS Plasma BDNF concentrations were analysed in 61 recent suicide attempters. Clinical symptoms were evaluated using the Comprehensive Psychopathological Rating Scale. Personality dimensions were assessed using the Marke-Nyman Temperament Scale. RESULTS Plasma BDNF correlated positively and significantly with the personality dimension Solidity but not with the other personality dimensions or with clinical symptoms. CONCLUSION BDNF plays an important role in the regulation of neuroplasticity and neurogenesis in humans. Our results indicate that lower BDNF concentrations are associated with higher levels of impulsiveness and changeability (low scores on the Solidity scale). Furthermore, low plasma BDNF levels may be proposed as a trait marker rather than a state marker for attempted suicide.
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Affiliation(s)
- Livia Ambrus
- Psychiatry Unit, Department of Clinical Sciences, Lund University, Lund, Sweden
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24
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Phillips KE, Jimerson DC, Pillai A, Wolfe BE. Plasma BDNF levels following weight recovery in anorexia nervosa. Physiol Behav 2016; 165:300-3. [PMID: 27542517 DOI: 10.1016/j.physbeh.2016.08.014] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2015] [Revised: 08/02/2016] [Accepted: 08/12/2016] [Indexed: 12/22/2022]
Abstract
OBJECTIVE Preclinical studies have implicated brain-derived neurotrophic factor (BDNF) in the regulation of eating behavior and body weight. As reviewed in this report, prior studies of BDNF levels in anorexia nervosa have yielded variable results, perhaps reflecting effects of malnutrition and psychiatric comorbidity. The goal of the current report was to assess plasma BDNF as a biomarker in weight-recovered individuals with a history of anorexia nervosa (ANWR). METHODS Study groups included women meeting criteria for ANWR and healthy female controls. Participants were in a normal weight range, free of current major psychiatric disorder, and free of medication. Self-ratings included eating disorder symptoms, depression and anxiety. Plasma BDNF levels were measured by enzyme linked immunoassay. RESULTS Plasma BDNF levels were not significantly different for ANWR and control groups. Plasma BDNF levels were inversely correlated with anxiety ratings in controls (p<0.02) but not in the ANWR group. DISCUSSION This report provides new evidence that circulating BDNF concentrations do not differ in healthy controls and ANWR free of psychiatric comorbidity. Additionally, the data provide new information on the relationship between plasma BDNF and anxiety in these two study groups.
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Affiliation(s)
- Kathryn E Phillips
- Fairfield University, 1073 N. Benson Rd., Fairfield, CT 06824, United States.
| | - David C Jimerson
- Harvard Medical School, Beth Israel Deaconess Medical Center, 330 Brookline Ave., Boston, MA 02215, United States.
| | - Anilkumar Pillai
- Augusta University, 1120 15th St., Augusta, GA 30912, United States.
| | - Barbara E Wolfe
- University of Rhode Island, College of Nursing, 39 Butterfield Rd., White Hall, Kingston, RI 02881, United States.
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25
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Dooley LN, Ganz PA, Cole SW, Crespi CM, Bower JE. Val66Met BDNF polymorphism as a vulnerability factor for inflammation-associated depressive symptoms in women with breast cancer. J Affect Disord 2016; 197:43-50. [PMID: 26967918 PMCID: PMC4836957 DOI: 10.1016/j.jad.2016.02.059] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/17/2015] [Revised: 12/15/2015] [Accepted: 02/26/2016] [Indexed: 12/11/2022]
Abstract
BACKGROUND Inflammation contributes to the development of depression in a subset of individuals, but risk factors that render certain individuals particularly vulnerable to inflammation-associated depression are undetermined. Drawing from animal studies showing that reduced neuroplasticity mediates effects of inflammation on depression, we hypothesized that individuals genetically predisposed to lower levels of neuroplasticity would be more susceptible to inflammation-associated depression. The current study examined whether the Met allele of the BDNF Val66met polymorphism, which predisposes individuals to reduced levels of brain-derived neurotrophic factor (BDNF), a protein vital for neuroplasticity, moderates the association between inflammation and depressive symptoms. METHODS Our sample was 112 women with early-stage breast cancer who had recently completed cancer treatment, which can activate inflammation. Participants provided blood for genotyping and assessment of circulating inflammatory markers, and completed a questionnaire assessing depressive symptoms, including somatic, affective, and cognitive dimensions. RESULTS There was a significant interaction between C-reactive protein (CRP) and the BDNF Val66met polymorphism in predicting cognitive depressive symptoms (p=.004), such that higher CRP was related to more cognitive depressive symptoms among Met allele carriers, but not among Val/Val homozygotes. Post-hoc longitudinal analyses suggested that, for Met carriers, higher CRP at baseline predicted higher cognitive depressive symptoms across a one-year follow-up period (p<.001). CONCLUSION The BDNF Met allele may be a risk factor for inflammation-associated cognitive depressive symptoms among breast cancer survivors. Women with breast cancer who carry this genotype may benefit from early identification and treatment. LIMITATION BDNF genotype is an indirect measure of BDNF protein levels.
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Affiliation(s)
- Larissa N. Dooley
- Department of Psychology, University of California, Los Angeles, United States,Corresponding author. Address: UCLA Department of Psychology, 1285 Franz Hall, Box 951563, Los Angeles, CA 90095-1563. Tel.: 323 356 2767.
| | - Patricia A. Ganz
- Department of Health Policy & Management, UCLA Fielding School of Public Health, Los Angeles, CA, United States,Department of Medicine, David Geffen School of Medicine at UCLA, Los Angeles, CA, United States,Division of Cancer Prevention and Control Research, Jonsson Comprehensive Cancer Center at UCLA, Los Angeles, CA, United States
| | - Steve W. Cole
- Department of Medicine, David Geffen School of Medicine at UCLA, Los Angeles, CA, United States,Cousins Center of Psychoneuroimmunology, Semel Institute for Neuroscience, Los Angeles, CA, United States
| | - Catherine M. Crespi
- Department of Biostatistics, UCLA Fielding School of Public Health, Los Angeles, CA, United States
| | - Julienne E. Bower
- Department of Psychology, University of California, Los Angeles, United States,Division of Cancer Prevention and Control Research, Jonsson Comprehensive Cancer Center at UCLA, Los Angeles, CA, United States,Cousins Center of Psychoneuroimmunology, Semel Institute for Neuroscience, Los Angeles, CA, United States,Department of Psychiatry and Biobehavioral Sciences, David Geffen School of Medicine at UCLA, Los Angeles, CA, United States
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26
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Serum BDNF levels before and after the development of mood disorders: a case-control study in a population cohort. Transl Psychiatry 2016; 6:e782. [PMID: 27070410 PMCID: PMC4872405 DOI: 10.1038/tp.2016.47] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/19/2015] [Revised: 02/09/2016] [Accepted: 02/11/2016] [Indexed: 02/07/2023] Open
Abstract
Serum levels of brain-derived neurotrophic factor (BDNF) are low in major depressive disorder (MDD), and were recently shown to decrease in chronic depression, but whether this is a trait or state marker of MDD remains unclear. We investigated whether serum BDNF levels decrease before or after the developments of MDD and other mood disorders through a case-control study nested in a cohort of 1276 women aged 75-84 years in 2008. Psychiatrists using the Structured Clinical Interview for DSM-IV identified incident cases of mood disorders at follow-up surveys in 2010 and 2012: 28 of MDDs, 39 of minor depressive disorders (minDDs) and 8 of minor depressive episodes with a history of major depressive episodes (minDEs with MDE history). A total of 106 representative non-depressed controls were also identified in the 2012 follow-up. We assayed BDNF levels in preserved sera of cases and controls at baseline and at follow-up. Serum BDNF levels at baseline in cases of MDD, minDD or minDE with MDE history were no lower than those in controls. The decrease in the serum BDNF level from baseline to follow-up was greater in cases of MDD or minDE with MDE history than in controls or cases of minDD. These results show that serum BDNF levels are not a trait marker of MDD in old women but appeared to be a state marker. The different changes in BDNF levels among diagnostic groups suggest that MDD has a pathophysiologic relation to minDE with MDE history, rather than to minDD.
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27
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Martinotti G, Sepede G, Brunetti M, Ricci V, Gambi F, Chillemi E, Vellante F, Signorelli M, Pettorruso M, De Risio L, Aguglia E, Angelucci F, Caltagirone C, Di Giannantonio M. BDNF concentration and impulsiveness level in post-traumatic stress disorder. Psychiatry Res 2015; 229:814-8. [PMID: 26277035 DOI: 10.1016/j.psychres.2015.07.085] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/09/2014] [Revised: 07/27/2015] [Accepted: 07/30/2015] [Indexed: 12/13/2022]
Abstract
Among the symptoms of post-traumatic stress disorder (PTSD), impulsiveness has been observed in patients with high levels of hyperarousal. Recent literature reveals the importance of investigating the role of neurotrophins, such as brain-derived neurotrophic factor (BDNF), in several psychiatric disorders. Specifically, contrasting findings have been reported on the levels of serum BDNF in subjects with PTSD. The aim of the present study was to investigate the correlation between BDNF serum levels and impulsiveness in PTSD. To this end, we measured BDNF serum levels in 23 PTSD patients and a control group of 19 trauma-exposed non-PTSD subjects. Results indicate a positive correlation in the PTSD group; that is, the higher the BDNF levels the higher the impulsiveness score, as measured by the Barratt Impulsiveness Scale (BIS-11), suggesting that impulsiveness could be associated with greater BDNF production. Alternatively, it is also possible that high impulsiveness acts as a psychological mechanism that counteracts the negative effects exerted by the traumatic experience and the associated obsessive thoughts. The present paper discusses both hypotheses.
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Affiliation(s)
- Giovanni Martinotti
- Department of Neuroscience, Imaging, and Clinical Sciences, University "G.d'Annunzio", Chieti, Italy
| | - Gianna Sepede
- Department of Neuroscience, Imaging, and Clinical Sciences, University "G.d'Annunzio", Chieti, Italy; Department of Basic Medical Sciences, Neurosciences and Sense Organs, University "A. Moro", Bari, Italy.
| | - Marcella Brunetti
- Department of Neuroscience, Imaging, and Clinical Sciences, University "G.d'Annunzio", Chieti, Italy
| | - Valerio Ricci
- IRCCS Santa Lucia Foundation, Department of Clinical and Behavioural Neurology, 00179 Rome, Italy
| | - Francesco Gambi
- Department of Neuroscience, Imaging, and Clinical Sciences, University "G.d'Annunzio", Chieti, Italy
| | - Eleonora Chillemi
- Department of Neuroscience, Imaging, and Clinical Sciences, University "G.d'Annunzio", Chieti, Italy
| | - Federica Vellante
- Department of Neuroscience, Imaging, and Clinical Sciences, University "G.d'Annunzio", Chieti, Italy
| | | | | | - Luisa De Risio
- Department of Neuroscience, Catholic University of Rome, Italy
| | | | - Francesco Angelucci
- IRCCS Santa Lucia Foundation, Department of Clinical and Behavioural Neurology, 00179 Rome, Italy
| | - Carlo Caltagirone
- IRCCS Santa Lucia Foundation, Department of Clinical and Behavioural Neurology, 00179 Rome, Italy
| | - Massimo Di Giannantonio
- Department of Neuroscience, Imaging, and Clinical Sciences, University "G.d'Annunzio", Chieti, Italy
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28
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Auditory change-related cerebral responses and personality traits. Neurosci Res 2015; 103:34-9. [PMID: 26360233 DOI: 10.1016/j.neures.2015.08.005] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2014] [Revised: 08/31/2015] [Accepted: 08/31/2015] [Indexed: 11/24/2022]
Abstract
The rapid detection of changes in sensory information is an essential process for survival. Individual humans are thought to have their own intrinsic preattentive responsiveness to sensory changes. Here we sought to determine the relationship between auditory change-related responses and personality traits, using event-related potentials. A change-related response peaking at approximately 120 ms (Change-N1) was elicited by an abrupt decrease in sound pressure (10 dB) from the baseline (60 dB) of a continuous sound. Sixty-three healthy volunteers (14 females and 49 males) were recruited and were assessed by the Temperament and Character Inventory (TCI) for personality traits. We investigated the relationship between Change-N1 values (amplitude and latency) and each TCI dimension. The Change-N1 amplitude was positively correlated with harm avoidance scores and negatively correlated with the self-directedness scores, but not with other TCI dimensions. Since these two TCI dimensions are associated with anxiety disorders and depression, it is possible that the change-related response is affected by personality traits, particularly anxiety- or depression-related traits.
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29
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Oral E, Kirkan TS, Yildirim A, Kotan Z, Cansever Z, Ozcan H, Aliyev E, Gulec M. Serum brain-derived neurotrophic factor differences between the luteal and follicular phases in premenstrual dysphoric disorder. Gen Hosp Psychiatry 2015; 37:266-72. [PMID: 25799087 DOI: 10.1016/j.genhosppsych.2015.03.001] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/25/2013] [Revised: 01/30/2015] [Accepted: 03/05/2015] [Indexed: 02/06/2023]
Abstract
OBJECTIVE We hypothesized that comparison of the serum brain-derived neurotrophic factor (BDNF) levels between women with premenstrual dysphoric disorder (PMDD) and women without PMDD in the luteal and follicular phases of their menstrual cycles would reflect the altered neuromodulator responses that compensate the underlying pathogenesis in PMDD. METHOD Twenty-nine participants without PMDD and 20 with PMDD were enrolled in the study. The serum BDNF, estrogen and progesterone levels were assessed at the follicular and luteal phases in their two consecutive menstrual cycles. RESULTS Participants with PMDD had significantly higher luteal serum BDNF levels than the control subjects. The serum BDNF levels were significantly higher in the luteal phase than in the follicular phase in women with PMDD. The difference in the serum BDNF levels between the luteal and follicular phases were significantly higher in the PMDD patients than in the control. CONCLUSIONS The higher serum BDNF levels in the luteal phase in the PMDD patients may reflect compensatory process that results in subsequent improvement of the PMDD-associated depressive symptoms in the follicular phase. The higher difference in the serum BDNF levels between the phases in PMDD patients may reflect an altered neuromodulator response.
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Affiliation(s)
- Elif Oral
- Department of Psychiatry, Medical Faculty, Ataturk University, Erzurum, Turkey.
| | - Tulay Sati Kirkan
- Department of Psychiatry, Erzurum Regional Training and Research Hospital, Erzurum, Turkey
| | - Abdulkadir Yildirim
- Department of Biochemistry, Medical Faculty, Ataturk University, Erzurum, Turkey
| | - Zerrin Kotan
- Department of Biochemistry, Pharmacy Faculty, Ataturk University, Erzurum, Turkey
| | - Zeliha Cansever
- Department of Medical Education, Medical Faculty, Ataturk University, Erzurum, Turkey
| | - Halil Ozcan
- Department of Psychiatry, Medical Faculty, Ataturk University, Erzurum, Turkey
| | - Elvin Aliyev
- Department of Biochemistry, Medical Faculty, Ataturk University, Erzurum, Turkey
| | - Mustafa Gulec
- Department of Psychiatry, Medical Faculty, Katip Celebi University, İzmir, Turkey
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30
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Nomoto H, Baba H, Satomura E, Maeshima H, Takebayashi N, Namekawa Y, Suzuki T, Arai H. Serum brain-derived neurotrophic factor levels and personality traits in patients with major depression. BMC Psychiatry 2015; 15:33. [PMID: 25885038 PMCID: PMC4354762 DOI: 10.1186/s12888-015-0413-1] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/01/2014] [Accepted: 02/19/2015] [Indexed: 11/30/2022] Open
Abstract
BACKGROUND Brain-derived neurotrophic factor (BDNF) is a member of the neurotrophin family of growth factors. Previous studies have demonstrated lower serum BDNF levels in patients with major depressive disorder (MDD) and reported an association between BDNF levels and depression-related personality traits in healthy subjects. The aim of the present study was to explore for a possible association between peripheral BDNF levels and personality traits in patients with MDD. METHODS In this cross-sectional study, a total of 123 inpatients with MDD (Diagnostic and Statistical Manual for Mental Disorders, 4th edition) at the Juntendo University Koshigaya Hospital were recruited. Serum levels of BDNF were measured. Personality traits were assessed using the 125-item short version of the Temperament and Character Inventory (TCI). RESULTS Multiple regression analysis adjusted for age, sex, body mass index, dose of antidepressant, and depression severity showed that TCI Self-Directedness (SD) scores were negatively associated with serum BDNF levels (β = -0.23, p = 0.026). CONCLUSIONS MDD patients who have low SD did not show the reduction in serum BDNF levels that is normally associated with depressive state. Our findings suggest that depression-related biological changes may not occur in these individuals.
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Affiliation(s)
- Hiroshi Nomoto
- Department of Psychiatry, Juntendo University, School of Medicine, 2-1-1 Hongo, Tokyo, Bunkyo-ku, Japan.
| | - Hajime Baba
- Department of Psychiatry, Juntendo University, School of Medicine, 2-1-1 Hongo, Tokyo, Bunkyo-ku, Japan. .,Juntendo University Mood Disorder Project (JUMP), Department of Psychiatry, Juntendo University Koshigaya Hospital, 560 Fukuroyama, 343-0032, Koshigaya, Saitama, Japan.
| | - Emi Satomura
- Department of Psychiatry, Juntendo University, School of Medicine, 2-1-1 Hongo, Tokyo, Bunkyo-ku, Japan.
| | - Hitoshi Maeshima
- Department of Psychiatry, Juntendo University, School of Medicine, 2-1-1 Hongo, Tokyo, Bunkyo-ku, Japan. .,Juntendo University Mood Disorder Project (JUMP), Department of Psychiatry, Juntendo University Koshigaya Hospital, 560 Fukuroyama, 343-0032, Koshigaya, Saitama, Japan.
| | - Naoko Takebayashi
- Department of Psychiatry, Juntendo University, School of Medicine, 2-1-1 Hongo, Tokyo, Bunkyo-ku, Japan. .,Juntendo University Mood Disorder Project (JUMP), Department of Psychiatry, Juntendo University Koshigaya Hospital, 560 Fukuroyama, 343-0032, Koshigaya, Saitama, Japan.
| | - Yuki Namekawa
- Department of Psychiatry, Juntendo University, School of Medicine, 2-1-1 Hongo, Tokyo, Bunkyo-ku, Japan. .,Juntendo University Mood Disorder Project (JUMP), Department of Psychiatry, Juntendo University Koshigaya Hospital, 560 Fukuroyama, 343-0032, Koshigaya, Saitama, Japan.
| | - Toshihito Suzuki
- Department of Psychiatry, Juntendo University, School of Medicine, 2-1-1 Hongo, Tokyo, Bunkyo-ku, Japan. .,Juntendo University Mood Disorder Project (JUMP), Department of Psychiatry, Juntendo University Koshigaya Hospital, 560 Fukuroyama, 343-0032, Koshigaya, Saitama, Japan.
| | - Heii Arai
- Department of Psychiatry, Juntendo University, School of Medicine, 2-1-1 Hongo, Tokyo, Bunkyo-ku, Japan.
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31
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Kazantseva A, Gaysina D, Kutlumbetova Y, Kanzafarova R, Malykh S, Lobaskova M, Khusnutdinova E. Brain derived neurotrophic factor gene (BDNF) and personality traits: the modifying effect of season of birth and sex. Prog Neuropsychopharmacol Biol Psychiatry 2015; 56:58-65. [PMID: 25132151 DOI: 10.1016/j.pnpbp.2014.08.001] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/07/2014] [Revised: 07/16/2014] [Accepted: 08/04/2014] [Indexed: 01/17/2023]
Abstract
Personality traits are complex phenotypes influenced by interactions of multiple genetic variants of small effect and environmental factors. It has been suggested that the brain derived neurotrophic factor gene (BDNF) is involved in personality traits. Season of birth (SOB) has also been shown to affect personality traits due to its influences on brain development during prenatal and early postnatal periods. The present study aimed to investigate the effects of BDNF on personality traits; and the modifying effects of SOB and sex on associations between BDNF and personality traits. A sample of 1018 young adults (68% women; age range 17-25years) of Caucasian origin from the Russian Federation was assessed on personality traits (Novelty Seeking, Harm Avoidance, Reward Dependence, Persistence, Self-directedness, Cooperativeness, Self-transcendence) with the Temperament and Character Inventory-125 (TCI-125). Associations between personality traits and 12 BDNF SNPs were tested using linear regression models. The present study demonstrated the effect of rs11030102 on Persistence in females only (PFDR=0.043; r(2)=1.3%). There were significant interaction effects between Val66Met (rs6265) and SOB (PFDR=0.048, r(2)=1.4%), and between rs2030323 and SOB (PFDR=0.042, r(2)=1.3%), on Harm Avoidance. Our findings provide evidence for the modifying effect of SOB on the association between BDNF and Harm Avoidance, and for the modifying effect of sex on the association between BDNF and Persistence.
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Affiliation(s)
- A Kazantseva
- Institute of Biochemistry and Genetics, Ufa Scientific Center, Russian Academy of Sciences, 71, Prospekt Oktyabrya, Ufa 450054, Russia.
| | - D Gaysina
- Rudd Centre for Adoption Research and Practice, School of Psychology, University of Sussex, Falmer, Brighton BN1 9RH, United Kingdom.
| | - Yu Kutlumbetova
- Institute of Biochemistry and Genetics, Ufa Scientific Center, Russian Academy of Sciences, 71, Prospekt Oktyabrya, Ufa 450054, Russia; Bashkir State University, 32, Zaki Validi, Ufa 450074, Russia.
| | - R Kanzafarova
- Institute of Biochemistry and Genetics, Ufa Scientific Center, Russian Academy of Sciences, 71, Prospekt Oktyabrya, Ufa 450054, Russia; Bashkir State University, 32, Zaki Validi, Ufa 450074, Russia
| | - S Malykh
- Psychological Institute, Russian Academy of Education, 9/4, Mohovaya Street, Moscow 125009, Russia.
| | - M Lobaskova
- Udmurt State University, Universitetskaya St. 1Izhevsk, 426034, Russia
| | - E Khusnutdinova
- Institute of Biochemistry and Genetics, Ufa Scientific Center, Russian Academy of Sciences, 71, Prospekt Oktyabrya, Ufa 450054, Russia; Rudd Centre for Adoption Research and Practice, School of Psychology, University of Sussex, Falmer, Brighton BN1 9RH, United Kingdom
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32
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HSP70 polymorphisms in first psychotic episode drug-naïve schizophrenic patients. Life Sci 2014; 100:133-137. [DOI: 10.1016/j.lfs.2014.02.006] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2013] [Revised: 01/08/2014] [Accepted: 02/04/2014] [Indexed: 11/23/2022]
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Abstract
The study of the biological basis of personality is a timely research endeavor, with the aim of deepening our understanding of human nature. In recent years, a growing body of research has investigated the role of the brain derived neurotrophic factor (BDNF) in the context of individual differences across human beings, with a focus on personality traits. A large number of different approaches have been chosen to illuminate the role of BDNF for personality, ranging from the measurement of BDNF in the serum/plasma to molecular genetics to (genetic) brain imaging. The present review provides the reader with an overview of the current state of affairs in the context of BDNF and personality.
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34
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Nettiksimmons J, Simonsick EM, Harris T, Satterfield S, Rosano C, Yaffe K. The associations between serum brain-derived neurotrophic factor, potential confounders, and cognitive decline: a longitudinal study. PLoS One 2014; 9:e91339. [PMID: 24670553 PMCID: PMC3966768 DOI: 10.1371/journal.pone.0091339] [Citation(s) in RCA: 50] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2013] [Accepted: 02/11/2014] [Indexed: 01/09/2023] Open
Abstract
Brain-derived neurotrophic factor (BDNF) plays a role in the maintenance and function of neurons. Although persons with Alzheimer’s disease have lower cortical levels of BDNF, evidence regarding the association between circulating BDNF and cognitive function is conflicting. We sought to determine the correlates of BDNF level and whether BDNF level was prospectively associated with cognitive decline in healthy older adults. We measured serum BDNF near baseline in 912 individuals. Cognitive status was assessed repeatedly with the modified Mini-Mental Status Examination and the Digit Symbol Substitution test over the next 10 years. We evaluated the association between BDNF and cognitive decline with longitudinal models. We also assessed the association between BDNF level and demographics, comorbidities and health behaviors. We found an association between serum BDNF and several characteristics that are also associated with dementia (race and depression), suggesting that future studies should control for these potential confounders. We did not find evidence of a longitudinal association between serum BDNF and subsequent cognitive test trajectories in older adults, although we did identify a potential trend toward a cross-sectional association. Our results suggest that serum BDNF may have limited utility as a biomarker of prospective cognitive decline.
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Affiliation(s)
- Jasmine Nettiksimmons
- Department of Psychiatry, University of California San Francisco, San Francisco, California, United States of America
- * E-mail:
| | - Eleanor M. Simonsick
- Clinical Research Branch, National Institute on Aging, Baltimore, Maryland, United States of America
| | - Tamara Harris
- Laboratory of Epidemiology, Demography, and Biometry, Intramural Research Program, National Institute on Aging, Bethesda, Maryland, United States of America
| | - Suzanne Satterfield
- Department of Preventive Medicine, University of Tennessee Health Science Center, Memphis, Tennessee, United States of America
| | - Caterina Rosano
- Center for Aging and Population Health, Department of Epidemiology, University of Pittsburgh, Pittsburgh, Pennsylvania, United States of America
| | - Kristine Yaffe
- Departments of Psychiatry, Neurology, and Epidemiology and Biostatistics, University of California San Francisco, San Francisco Veterans Affairs Medical Center, San Francisco, California, United States of America
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Tsuru J, Tanaka Y, Ishitobi Y, Maruyama Y, Inoue A, Kawano A, Ikeda R, Ando T, Oshita H, Aizawa S, Masuda K, Higuma H, Kanehisa M, Ninomiya T, Akiyoshi J. Association of BDNF Val66Met polymorphism with HPA and SAM axis reactivity to psychological and physical stress. Neuropsychiatr Dis Treat 2014; 10:2123-33. [PMID: 25419135 PMCID: PMC4234157 DOI: 10.2147/ndt.s68629] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
Abstract
BACKGROUND Decreased expression of brain-derived neurotrophic factor (BDNF) is implicated in enhanced stress responses. The BDNF Val66Met polymorphism is associated with psychological changes; for example, carriers of the Met allele exhibit increased harm avoidance as well as a higher prevalence of depression and anxiety disorder. METHODS To analyze the effects of BDNF Val66Met on stress responses, we tested 226 university students (88 women and 138 men) using a social stress procedure (Trier Social Stress Test [TSST]) and an electrical stimulation stress test. Stress indices were derived from repeated measurements of salivary α-amylase, salivary cortisol, heart rate, and psychological testing during the stress tests. All subjects were genotyped for the Val66Met polymorphism (G196A). RESULTS A significant three-way interaction (time [3 levels] × BDNF [Val/Val, Val/Met, Met/Met]; P<0.05) was demonstrated that revealed different salivary cortisol responses in the TSST but not in electrical stimulation. Met/Met women had stronger cortisol responses than Val/Met and Val/Val individuals in the TSST. Met/Met men exhibited stronger salivary cortisol responses than Val/Met and Val/Val individuals in the TSST. CONCLUSION These results indicate that a common, functionally significant polymorphism in BDNF had different effects on hypothalamic-pituitary-adrenocortical axis reactivity but not on sympathetic adrenomedullary reactivity in TSST and electrical stimulation tests.
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Affiliation(s)
- Jusen Tsuru
- Department of Neuropsychiatry, Oita University, Oita, Japan
| | | | | | | | - Ayako Inoue
- Department of Neuropsychiatry, Oita University, Oita, Japan
| | - Aimi Kawano
- Department of Neuropsychiatry, Oita University, Oita, Japan
| | - Rie Ikeda
- Department of Neuropsychiatry, Oita University, Oita, Japan
| | - Tomoko Ando
- Department of Neuropsychiatry, Oita University, Oita, Japan
| | - Harumi Oshita
- Department of Applied Linguistics, Faculty of Medicine, Oita University, Oita, Japan
| | - Saeko Aizawa
- Department of Neuropsychiatry, Oita University, Oita, Japan
| | - Koji Masuda
- Department of Neuropsychiatry, Oita University, Oita, Japan
| | - Haruka Higuma
- Department of Neuropsychiatry, Oita University, Oita, Japan
| | | | - Taiga Ninomiya
- Department of Neuropsychiatry, Oita University, Oita, Japan
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Terracciano A, Piras MG, Lobina M, Mulas A, Meirelles O, Sutin AR, Chan W, Sanna S, Uda M, Crisponi L, Schlessinger D. Genetics of serum BDNF: meta-analysis of the Val66Met and genome-wide association study. World J Biol Psychiatry 2013; 14:583-9. [PMID: 22047184 PMCID: PMC3288597 DOI: 10.3109/15622975.2011.616533] [Citation(s) in RCA: 53] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
OBJECTIVES Lower levels of serum brain derived neurotrophic factor (BDNF) is one of the best known biomarkers of depression. To identify genetic variants associated with serum BDNF, we tested the Val66Met (rs6265) functional variant and conducted a genome-wide association scan (GWAS). METHODS In a community-based sample (N = 2054; aged 19-101, M = 51, SD = 15) from Sardinia, Italy, we measured serum BDNF concentration and conducted a GWAS. RESULTS We estimated the heritability of serum BDNF to be 0.48 from sib-pairs. There was no association between serum BDNF and Val66Met in the SardiNIA sample and in a meta-analysis of published studies (k = 13 studies, total n = 4727, P = 0.92). Although no genome-wide significant associations were identified, some evidence of association was found in the BDNF gene (rs11030102, P = 0.001) and at two loci (rs7170215, P = 4.8 × 10⁻⁵ and rs11073742 P = 1.2 × 10⁻⁵) near and within NTRK3 gene, a neurotrophic tyrosine kinase receptor. CONCLUSIONS Our study and meta-analysis of the literature indicate that the BDNF Val66Met variant is not associated with serum BDNF, but other variants in the BDNF and NTRK3 genes might regulate the level of serum BDNF.
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Affiliation(s)
| | - Maria Grazia Piras
- Istituto di Ricerca Genetica e Biomedica, Consiglio Nazionale delle Ricerche, Monserrato, Cagliari, Italy
| | - Monia Lobina
- Istituto di Ricerca Genetica e Biomedica, Consiglio Nazionale delle Ricerche, Monserrato, Cagliari, Italy
| | - Antonella Mulas
- Istituto di Ricerca Genetica e Biomedica, Consiglio Nazionale delle Ricerche, Monserrato, Cagliari, Italy
| | | | | | - Wayne Chan
- National Institute on Aging, NIH, DHHS, Baltimore, MD, USA
| | - Serena Sanna
- Istituto di Ricerca Genetica e Biomedica, Consiglio Nazionale delle Ricerche, Monserrato, Cagliari, Italy
| | - Manuela Uda
- Istituto di Ricerca Genetica e Biomedica, Consiglio Nazionale delle Ricerche, Monserrato, Cagliari, Italy
| | - Laura Crisponi
- Istituto di Ricerca Genetica e Biomedica, Consiglio Nazionale delle Ricerche, Monserrato, Cagliari, Italy
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Luteal serum BDNF and HSP70 levels in women with premenstrual dysphoric disorder. Eur Arch Psychiatry Clin Neurosci 2013; 263:685-93. [PMID: 23455589 DOI: 10.1007/s00406-013-0398-z] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/21/2012] [Accepted: 02/19/2013] [Indexed: 12/16/2022]
Abstract
Premenstrual dysphoric disorder (PMDD) is a severe form of premenstrual syndrome characterized by psychological and somatic symptoms commencing in the luteal phase of the menstrual cycle and concludes with menstrual bleeding. PMDD affects 3-8 % of premenopausal women and represents a significant public health problem especially in young women. Decreased brain-derived neurotrophic factor (BDNF) levels are associated with several mental disorders. Heat-shock protein-70 (HSP70) is an important member of the molecular chaperone system, which provides a molecular defense against proteotoxic stress. We hypothesized that there would be changed levels of BDNF and HSP70 in women with PMDD compared with non-symptomatic women, reflecting impaired and/or activated stress-related responses involved in the underlying pathogenesis of PMDD. Female medical students were screened, and 24 women without premenstrual symptoms and 25 women with PMDD were enrolled in the study. Psychiatric evaluation and the Daily Record of Severity of Problems-Short Form were used for two consecutive menstrual cycles to diagnose PMDD. Serum BDNF and HSP70 levels were assessed in the third luteal phase. Participants with PMDD had significantly higher serum BDNF and HSP70 levels compared with controls, and there was a significant positive correlation between serum BDNF and HSP70 levels. Increased HSP70 levels may reflect cellular distress in PMDD. Increased serum BDNF levels in the luteal phase in subjects with PMDD may reflect a compensation process, which results in subsequent improvement of PMDD-associated depressive symptoms in the follicular phase. Thus, increased serum BDNF levels may be indicative of a compensating capacity in PMDD.
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Yasui-Furukori N, Tsuchimine S, Kaneda A, Sugawara N, Ishioka M, Kaneko S. Association between plasma brain-derived neurotrophic factor levels and personality traits in healthy Japanese subjects. Psychiatry Res 2013; 210:220-3. [PMID: 23806624 DOI: 10.1016/j.psychres.2013.05.015] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/08/2011] [Revised: 05/04/2013] [Accepted: 05/07/2013] [Indexed: 11/17/2022]
Abstract
Although depression has been associated with decreased brain-derived neurotrophic factor (BDNF) levels for specific personality traits, there is a little information regarding the association between peripheral BDNF levels and such traits. The sample consisted of 178 healthy Japanese subjects (age range, 37.4 ± 11.5 years). All subjects filled out the Temperament and Character Inventory (TCI). Plasma BDNF levels were measured using the enzyme-linked immunosorbent assay. A simple regression analysis revealed that plasma BDNF levels were significantly correlated with harm avoidance (r=-0.177, p=0.018) and self-directedness scores (r=0.165, p=0.028). Our findings suggest that plasma BDNF levels are associated with depression-related personality traits.
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Affiliation(s)
- Norio Yasui-Furukori
- Department of Neuropsychiatry, Hirosaki University School of Medicine, Hirosaki 036-8562, Japan.
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Buchmann AF, Hellweg R, Rietschel M, Treutlein J, Witt SH, Zimmermann US, Schmidt MH, Esser G, Banaschewski T, Laucht M, Deuschle M. BDNF Val 66 Met and 5-HTTLPR genotype moderate the impact of early psychosocial adversity on plasma brain-derived neurotrophic factor and depressive symptoms: a prospective study. Eur Neuropsychopharmacol 2013; 23:902-9. [PMID: 23058261 DOI: 10.1016/j.euroneuro.2012.09.003] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/05/2012] [Revised: 08/14/2012] [Accepted: 09/13/2012] [Indexed: 12/23/2022]
Abstract
Recent studies have emphasized an important role for neurotrophins, such as brain-derived neurotrophic factor (BDNF), in regulating the plasticity of neural circuits involved in the pathophysiology of stress-related diseases. The aim of the present study was to examine the interplay of the BDNF Val⁶⁶Met and the serotonin transporter promoter (5-HTTLPR) polymorphisms in moderating the impact of early-life adversity on BDNF plasma concentration and depressive symptoms. Participants were taken from an epidemiological cohort study following the long-term outcome of early risk factors from birth into young adulthood. In 259 individuals (119 males, 140 females), genotyped for the BDNF Val⁶⁶Met and the 5-HTTLPR polymorphisms, plasma BDNF was assessed at the age of 19 years. In addition, participants completed the Beck Depression Inventory (BDI). Early adversity was determined according to a family adversity index assessed at 3 months of age. Results indicated that individuals homozygous for both the BDNF Val and the 5-HTTLPR L allele showed significantly reduced BDNF levels following exposure to high adversity. In contrast, BDNF levels appeared to be unaffected by early psychosocial adversity in carriers of the BDNF Met or the 5-HTTLPR S allele. While the former group appeared to be most susceptible to depressive symptoms, the impact of early adversity was less pronounced in the latter group. This is the first preliminary evidence indicating that early-life adverse experiences may have lasting sequelae for plasma BDNF levels in humans, highlighting that the susceptibility to this effect is moderated by BDNF Val⁶⁶Met and 5-HTTLPR genotype.
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Affiliation(s)
- Arlette F Buchmann
- Department of Child and Adolescent Psychiatry and Psychotherapy, Central Institute of Mental Health, Medical Faculty Mannheim, Heidelberg University, Germany
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Interaction between novelty seeking and the aldehyde dehydrogenase 2 gene in heroin-dependent patients. J Clin Psychopharmacol 2013; 33:386-90. [PMID: 23609397 DOI: 10.1097/jcp.0b013e3182900fb3] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
OBJECTIVES Heroin dependence is a multifactor disorder. We investigated the association of genetic factors and heroin-dependent temperaments to determine whether a temperament-gene interaction is involved in the pathogenesis of heroin dependence. METHODS Three hundred seventy participants (259 heroin-dependent patients and 111 healthy controls) were recruited and finished the Tridimensional Personality Questionnaire to assess personality traits (temperament). The genotypes of the aldehyde dehydrogenase 2 (ALDH2) gene and the Val66Met polymorphism of the brain-derived neurotrophic factor (BDNF) gene using polymerase chain reactions plus restriction fragment length polymorphism analysis. RESULTS Multiple logistic regression analysis showed significant main effects for novelty seeking (P ≤ 0.001) and harm-avoidance (P = 0.001) scores, and a significant interaction effect between novelty seeking and ALDH2 genotypes (P = 0.016) in heroin-dependent patients compared with controls. When stratified by the ALDH2 genotypes, only heroin-dependent patients with the *1*2 and *2*2 genotypes at ALDH2 had higher novelty-seeking scores than did controls (heroin dependence = 15.94, controls = 12.46; P ≤ 0.001). CONCLUSIONS Our results provide initial evidence that the ALDH2 gene interacted with novelty seeking in heroin-dependent Han Chinese patients in Taiwan.
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BDNF serum concentrations in first psychotic episode drug-naïve schizophrenic patients: associations with personality and BDNF Val66Met polymorphism. Life Sci 2013; 92:305-10. [PMID: 23333821 DOI: 10.1016/j.lfs.2013.01.008] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2012] [Revised: 12/02/2012] [Accepted: 01/04/2013] [Indexed: 01/19/2023]
Abstract
AIMS To investigate the relationship among brain derived neurotrophic factor (BDNF) serum concentrations, BDNF Val66Met polymorphism and personality profile in drug-naïve schizophrenic patients with first-episode psychosis (FEP) and healthy participants. MAIN METHODS This cross-sectional study included fifty FEP patients and fifty healthy participants who served as controls. To study their personality profile the standardized Greek version of the Alternative Five-Factor Zuckerman-Kuhlman Personality Questionnaire (ZKPQ) was administered. Serum BDNF levels were measured and genotyping of BDNF Val66Met polymorphism was performed in patients and healthy subjects. KEY FINDINGS FEP patients presented lower BDNF serum concentrations (P=0.002) and higher scores in ZKPQ Neuroticism (P=0.001) and Aggression-Hostility (P=0.002) scales while lower scores in the ZKPQ Sociability scale (P<0.001) than healthy participants. Multivariate analysis revealed that the odds of being assessed with FEP were 0.4 times lower in those with higher BDNF values (P<0.001) and 1.8 times greater in those with higher Neuroticism scores (P<0.001). There were no significant differences with respect to the Val66Met polymorphism between patients and healthy participants. SIGNIFICANCE Reduced BDNF serum concentrations along with higher Neuroticism scores might be associated with FEP. A complex interplay between BDNF serum concentrations, personality traits, BDNF Val66Met polymorphism, and psychotic symptomatology has been arisen but further investigation is needed to better clarify the observed associations.
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Bahi A, Dreyer JL. Hippocampus-specific deletion of tissue plasminogen activator "tPA" in adult mice impairs depression- and anxiety-like behaviors. Eur Neuropsychopharmacol 2012; 22:672-82. [PMID: 22377193 DOI: 10.1016/j.euroneuro.2012.01.008] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/12/2011] [Revised: 12/12/2011] [Accepted: 01/12/2012] [Indexed: 10/28/2022]
Abstract
Anxiety and depression are multifactorial disorders that have become prominent health problems all over the world. Neurotrophic factors have emerged underlying pathogenesis of these diseases. Although a number of studies indicate that the hippocampus-brain-derived neurotrophic factor (BDNF) may be involved in these psychiatric illnesses, little is known about the molecular mediators of these disorders. In this study we further investigate the role of tissue plasminogen activator (tPA), a serine protease involved in pro-BDNF cleavage to BDNF, in depression and anxiety-like behaviors in adult mice. To address this issue, we investigated the effect of hippocampus tPA manipulation, using viral vectors, on anxiety- and depression-like behaviors, including the marble burying test (MBT), elevated plus maze (EPM), tail suspension test (TST), novelty suppressed feeding (NSF) and forced swim test (FST). Our results showed that tPA knock-down - using lentiviral vectors expressing specific short hairpin RNAs (LV-shRNA) - increased the number of buried marbles together with the digging time in the MBT and decreased the time spent in open the arms of an EPM. In addition, tPA-knock down in the hippocampus increased immobility in the FST and TST, and increased time to feed in the NSF test. These effects were reversed when tPA-over-expressing vectors (LV-tPA) were injected in the hippocampus. We also found that BDNF protein levels were elevated in the hippocampus of mice receiving tPA-expressing vectors. Together, our results imply that tPA manipulation may provide an effective therapeutic intervention for depression and anxiety disorders.
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Affiliation(s)
- Amine Bahi
- Department of Anatomy, Tawam Medical Campus, United Arab Emirates University, Al Ain, United Arab Emirates.
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Takebayashi N, Maeshima H, Baba H, Nakano Y, Satomura E, Kita Y, Namekawa Y, Nomoto H, Suzuki T, Arai H. Duration of last depressive episode may influence serum BDNF levels in remitted patients with major depression. Depress Anxiety 2012; 29:775-9. [PMID: 22447660 DOI: 10.1002/da.21933] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/20/2011] [Revised: 01/15/2012] [Accepted: 01/29/2012] [Indexed: 01/24/2023] Open
Abstract
BACKGROUND Brain-derived neurotrophic factor (BDNF) may have an important role in the pathophysiology of depression. Previous studies indicate that serum BDNF levels were lower in patients with depression and increased after treatment with antidepressants. However, results of studies on serum BDNF levels in remitted patients with depression have been inconsistent. The purpose of the present study was to determine which factors influence the alteration of serum BDNF levels in depression in the remitted state. METHODS Serum BDNF levels were evaluated in 75 remitted inpatients with major depressive disorder (MDD) and 108 controls. Multiple regression analyses were conducted using serum BDNF levels as the dependent variable; and the number of episodes, Hamilton Rating Scale for Depression score at admission, or duration of last depressive episode as independent variables. RESULTS Serum BDNF levels were lower in remitted patients with MDD than in controls (P < .001). Multiple regression analysis showed a significant effect between the duration of the last depressive episode and serum BDNF levels (P < .022). CONCLUSIONS Serum BDNF levels in remitted patients with MDD did not recover to the level of healthy controls, and lower serum BDNF levels were influenced by a longer duration of last depressive episode. It is possible that persistent hippocampal reduction in remitted depression may be caused by lower BDNF levels associated with a longer duration of the last depressive episode.
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Affiliation(s)
- Naoko Takebayashi
- Department of Psychiatry, Juntendo University, School of Medicine, 2-1-1 Hongo, Bunkyo-ku, Tokyo, Japan
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Bus BAA, Arias-Vasquez A, Franke B, Prickaerts J, de Graaf J, Voshaar RCO. Increase in serum brain-derived neurotrophic factor in met allele carriers of the BDNF Val66Met polymorphism is specific to males. Neuropsychobiology 2012; 65:183-7. [PMID: 22538247 DOI: 10.1159/000336997] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/29/2011] [Accepted: 01/30/2012] [Indexed: 01/09/2023]
Abstract
BACKGROUND Association studies of the Val66Met polymorphism and serum brain-derived neurotrophic factor (BDNF) levels have yielded conflicting results. Recently, sex-specific differences in BDNF levels were demonstrated. As these might explain the reported inconsistencies, we tested sex interactions with the Val66Met genotype on serum BDNF level. METHODS Participants (n = 548, age range 50-72 years; mean 62.8 ± 5.4 years, 267 males) were tested for rs6265 genotype and serum BDNF levels [Hardy-Weinberg equilibrium (HWE), p = 0.04]. A regression analysis with BDNF level as the dependent variable and BDNF Val66Met genotype as an independent variable was used to test the sex interaction corrected for age, smoking and depressive symptoms. Subsequently, we examined the effect of genotype on BDNF levels stratified for sex. RESULTS We found a significant interaction between sex and genotype on BDNF levels (p = 0.02). Male Met carriers had significantly higher BDNF levels than Val/Val homozygotes (β = 0.17, p = 0.013), while in females no effect of Val66Met genotype was found (β = -0.07, p = 0.28). CONCLUSION Our findings may partly explain the inconsistent findings of earlier studies where results were influenced by male-female ratios. Replication is warranted, however, as our sample was not in HWE.
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Affiliation(s)
- Boudewijn A A Bus
- Department of Psychiatry, Radboud University Nijmegen Medical Centre, Nijmegen, The Netherlands
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Correlation with statistical significance and its explanation rate: comment on Minelli et al., "BDNF serum levels, but not BDNF Val66Met genotype, are correlated with personality traits in healthy subjects." (Eur Arch Psychiatry Clin Neurosci doi: 10.1007/s00406-011-0189-3). Eur Arch Psychiatry Clin Neurosci 2012; 262:361-2. [PMID: 21830105 DOI: 10.1007/s00406-011-0236-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/21/2011] [Accepted: 07/29/2011] [Indexed: 10/17/2022]
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Archer T, Oscar-Berman M, Blum K, Gold M. Neurogenetics and Epigenetics in Impulsive Behaviour: Impact on Reward Circuitry. ACTA ACUST UNITED AC 2012; 3:1000115. [PMID: 23264884 DOI: 10.4172/2157-7412.1000115] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Adverse, unfavourable life conditions, particularly during early life stages and infancy, can lead to epigenetic regulation of genes involved in stress-response, behavioral disinhibition, and cognitive-emotional systems. Over time, the ultimate final outcome can be expressed through behaviors bedeviled by problems with impulse control, such as eating disorders, alcoholism, and indiscriminate social behavior. While many reward gene polymorphisms are involved in impulsive behaviors, a polymorphism by itself may not translate to the development of a particular behavioral disorder unless it is impacted by epigenetic effects. Brain-derived neurotrophic factor (BDNF) affects the development and integrity of the noradrenergic, dopaminergic, serotonergic, glutamatergic, and cholinergic neurotransmitter systems, and plasma levels of the neurotrophin are associated with both cognitive and aggressive impulsiveness. Epigenetic mechanisms associated with a multitude of environmental factors, including premature birth, low birth weight, prenatal tobacco exposure, non-intact family, young maternal age at birth of the target child, paternal history of antisocial behavior, and maternal depression, alter the developmental trajectories for several neuropsychiatric disorders. These mechanisms affect brain development and integrity at several levels that determine structure and function in resolving the final behavioral expressions.
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Affiliation(s)
- Trevor Archer
- Department of Psychology, University of Gothenburg, Box 500, SE-40530 Gothenburg, Sweden
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Correlations between brain-derived neurotrophic factor and clinical symptoms in medicated patients with major depression. J Affect Disord 2011; 135:332-5. [PMID: 21774990 DOI: 10.1016/j.jad.2011.06.041] [Citation(s) in RCA: 47] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/23/2011] [Accepted: 06/28/2011] [Indexed: 01/28/2023]
Abstract
BACKGROUND Brain-derived neurotrophic factor (BDNF) is a member of the nerve growth factor family and plays a critical role in growth, differentiation, maintenance and synaptic plasticity of neuronal systems. Previous studies have demonstrated lower serum BDNF concentrations in major depressive disorder (MDD), with concentrations negatively correlating with the severity of the disease. However, few investigations have examined the relationship between serum BDNF and detailed clinical symptoms. The aim of present study was to clarify the magnitudes of the relationships between various depressive symptom and serum BDNF. METHODS Serum BDNF concentrations were evaluated from 109 inpatients with MDD and 163 healthy controls. Depressive symptoms were assessed using the Hamilton rating scale for depression (HAM-D), and symptoms were categorized into four groups: "anxiety somatization"; "cognitive disturbance"; "retardation"; and "sleep disturbance". RESULTS Serum BDNF concentration was significantly lower in patients with MDD compared to controls (p<0.001). We identified significant negative correlations between serum BDNF concentration and both total score (R=-0.19, p=0.044) and "anxiety somatization" sub-score (R=-0.32, p=0.001) from the HAM-D in patients with MDD. LIMITATIONS All patients in the present study were on antidepressant medications. CONCLUSIONS These results suggest that serum BDNF level may offer a biological marker for anxiety symptoms in medicated patients with MDD.
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Deckersbach T, Moshier SJ, Tuschen-Caffier B, Otto MW. Memory dysfunction in panic disorder: an investigation of the role of chronic benzodiazepine use. Depress Anxiety 2011; 28:999-1007. [PMID: 22065537 DOI: 10.1002/da.20891] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/04/2011] [Revised: 07/20/2011] [Accepted: 07/23/2011] [Indexed: 11/08/2022] Open
Abstract
BACKGROUND Studies of the neurocognitive effects of long-term benzodiazepine use have been confounded by the presence of neurocognitive deficits characterizing the clinical conditions for which these medications are taken. Similarly, studies of the neurocognitive effects of anxiety disorders have been confounded by the inclusion of chronically benzodiazepine-medicated patients. This study was designed to tease apart the potentially confounding effects of long-term benzodiazepine use and panic disorder (PD) on memory and visuoconstructive abilities. METHODS Twenty chronically benzodiazepine-medicated and 20 benzodiazepine-free patients with PD with agoraphobia were compared with a group of 20 normal control participants, group-matched for age, education, and gender on a battery of neuropsychological tests assessing short-term, episodic long-term, and semantic memory, as well as visuoconstructive abilities. RESULTS Results indicated that benzodiazepine-free panic patients were relatively impaired in nonverbal short-term and nonverbal episodic long-term memory and visuoconstructive abilities, whereas verbal short-term and verbal episodic memory and semantic memory were preserved. Only limited evidence was found for more pronounced impairments in chronically benzodiazepine-medicated PD patients. CONCLUSIONS This study provides evidence that patients with PD are characterized by relative impairments in nonverbal memory and visuoconstructive abilities, independent of benzodiazepine use. Nonetheless, we found evidence that chronic treatment with benzodiazepines is associated with intensification of select relative impairments in this realm. Documentation of these deficits raises questions about the broader etiology of neurocognitive impairment in PD as well as its impact on daily functioning.
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Affiliation(s)
- Thilo Deckersbach
- Massachusetts General Hospital, Department of Psychiatry, Boston, Massachusetts 02114, USA.
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Terracciano A, Lobina M, Piras MG, Mulas A, Cannas A, Meirelles O, Sutin AR, Zonderman AB, Uda M, Crisponi L, Schlessinger D. Neuroticism, depressive symptoms, and serum BDNF. Psychosom Med 2011; 73:638-42. [PMID: 21949427 PMCID: PMC3188695 DOI: 10.1097/psy.0b013e3182306a4f] [Citation(s) in RCA: 63] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
OBJECTIVE Animal models and clinical studies suggest that brain-derived neurotrophic factor (BDNF) is involved in the pathophysiology of depression. We test whether serum and plasma levels of BDNF are associated with trait neuroticism and its facets and with state measures of depressive symptoms. METHODS In a community-based cohort (N = 2099), we measured serum and plasma BDNF concentrations and administered the Revised NEO Personality Inventory and the Center for Epidemiological Studies Depression Scale. Covariates included age, sex, cigarette smoking, obesity, and antidepressant use. RESULTS Serum BDNF concentrations were inversely related to neuroticism (r = -0.074, p < .001), in particular the depression facet (r = -0.08, p < .001). Lower BDNF concentrations were also associated with severe depressive symptoms (Center for Epidemiological Studies Depression Scale ≥ 28; odds ratio = 0.906; 95% confidence interval = 0.851-0.965). The association of serum BDNF with neuroticism was independent of depressive symptoms, indicating that serum BDNF might represent a biological correlate of neuroticism and not just of transient depressive states. Plasma BDNF was not associated with measures of depression. CONCLUSIONS Our study suggests that lower serum BDNF is associated with both a dispositional vulnerability to depression and acute depressive states in the general population.
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Affiliation(s)
- Antonio Terracciano
- National Institute on Aging, National Institutes of Health, Department of Health and Human Services, 251 Bayview Blvd, Baltimore, MD 21224, USA.
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