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Peregud DI, Baronets VY, Terebilina NN, Gulyaeva NV. Role of BDNF in Neuroplasticity Associated with Alcohol Dependence. BIOCHEMISTRY (MOSCOW) 2023; 88:404-416. [PMID: 37076286 DOI: 10.1134/s0006297923030094] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/28/2023]
Abstract
Abstract
Chronic alcohol consumption is characterized by disturbances of neuroplasticity. Brain-derived neurotrophic factor (BDNF) is believed to be critically involved in this process. Here we aimed to review actual experimental and clinical data related to BDNF participation in neuroplasticity in the context of alcohol dependence. As has been shown in experiments with rodents, alcohol consumption is accompanied by the brain region-specific changes of BDNF expression and by structural and behavioral impairments. BDNF reverses aberrant neuroplasticity observed during alcohol intoxication. According to the clinical data parameters associated with BDNF demonstrate close correlation with neuroplastic changes accompanying alcohol dependence. In particular, the rs6265 polymorphism within the BDNF gene is associated with macrostructural changes in the brain, while peripheral BDNF concentration may be associated with anxiety, depression, and cognitive impairment. Thus, BDNF is involved in the mechanisms of alcohol-induced changes of neuroplasticity, and polymorphisms within the BDNF gene and peripheral BDNF concentration may serve as biomarkers, diagnostic or prognostic factors in treatment of alcohol abuse.
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Affiliation(s)
- Danil I Peregud
- Federal State Budgetary Institution "V. Serbsky National Medical Research Center for Psychiatry and Drug Addiction" of the Ministry of Health of the Russian Federation, Moscow, 119002, Russia.
- Institute of Higher Nervous Activity and Neurophysiology, Russian Academy of Sciences, Moscow, 117485, Russia
| | - Valeria Yu Baronets
- Federal State Budgetary Institution "V. Serbsky National Medical Research Center for Psychiatry and Drug Addiction" of the Ministry of Health of the Russian Federation, Moscow, 119002, Russia
| | - Natalia N Terebilina
- Federal State Budgetary Institution "V. Serbsky National Medical Research Center for Psychiatry and Drug Addiction" of the Ministry of Health of the Russian Federation, Moscow, 119002, Russia
| | - Natalia V Gulyaeva
- Institute of Higher Nervous Activity and Neurophysiology, Russian Academy of Sciences, Moscow, 117485, Russia
- Research and Clinical Center for Neuropsychiatry of Moscow Healthcare Department, Moscow, 115419, Russia
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Galindo C, Nguyen VT, Hill B, Sims N, Heck A, Negron M, Lusk C. Brain-derived neurotrophic factor rs6265 (Val66Met) single nucleotide polymorphism as a master modifier of human pathophysiology. Neural Regen Res 2023. [PMID: 35799516 PMCID: PMC9241394 DOI: 10.4103/1673-5374.343894] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
Abstract
Brain-derived neurotrophic factor is the most prevalent member of the nerve growth factor family. Since its discovery in 1978, this enigmatic molecule has spawned more than 27,000 publications, most of which are focused on neurological disorders. Brain-derived neurotrophic factor is indispensable during embryogenesis and postnatally for the normal development and function of both the central and peripheral nervous systems. It is becoming increasingly clear, however, that brain-derived neurotrophic factor likewise plays crucial roles in a variety of other biological functions independently of sympathetic or parasympathetic involvement. Brain-derived neurotrophic factor is also increasingly recognized as a sophisticated environmental sensor and master coordinator of whole organismal physiology. To that point, we recently found that a common nonsynonymous (Val66→Met) single nucleotide polymorphism in the brain-derived neurotrophic factor gene (rs6265) not only substantially alters basal cardiac transcriptomics in mice but subtly influences heart gene expression and function differentially in males and females. In addition to a short description of recent results from associative neuropsychiatric studies, this review provides an eclectic assortment of research reports that support a modulatory role for rs6265 including and beyond the central nervous system.
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Mo M, Fu XY, Zhang XL, Zhang SC, Zhang HQ, Wu L, Li JL, Zhou L. Association of Plasma Pro-Brain-Derived Neurotrophic Factor (proBDNF)/Mature Brain-Derived Neurotrophic Factor (mBDNF) Levels with BDNF Gene Val66Met Polymorphism in Alcohol Dependence. Med Sci Monit 2021; 27:e930421. [PMID: 34415897 PMCID: PMC8406813 DOI: 10.12659/msm.930421] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2020] [Accepted: 04/13/2021] [Indexed: 11/09/2022] Open
Abstract
BACKGROUND In a previous study, we reported that pro-brain-derived neurotrophic factor (proBDNF) was involved in the pathology of alcohol dependence, and the single-nucleotide polymorphism (SNP) Val66Met was located at the prodomain of the brain-derived neurotrophic factor gene (BDNF). This polymorphism has been reported to affect intracellular trafficking and activity-dependent secretion of BDNF. Our present research investigated the relationships between the BDNF Val66Met polymorphism and the plasma levels of proBDNF and mature brain-derived neurotrophic factor (mBDNF) in patients with alcohol dependence. MATERIAL AND METHODS The BDNF gene Val66Met polymorphism was genotyped in 59 alcohol-dependent patients and 37 age- and sex-matched controls, and the plasma levels of proBDNF and mBDNF were assessed by enzyme-linked immunosorbent assay in all participants. RESULTS No association was found between the BDNF gene Val66Met polymorphism and alcohol dependence (P>0.05). In comparison with the control group, the level of plasma proBDNF in the alcohol-dependence group was notably increased (Z=-2.228, P=0.026), while the level of mBDNF was remarkedly decreased (Z=-2.014, P=0.044). In the alcohol-dependence group, significant associations were not found between the Val66Met polymorphisms and proBDNF and mBDNF plasma levels (P>0.05). The plasma level of proBDNF was positively correlated with the average daily alcohol consumption in the last month (r=0.344, P=0.008) and drinking history (r=0.317, P=0.014), while the plasma level of mBDNF had negative effects (r=-0.361, P=0.005, with the average daily alcohol consumption; r=-0.427, P=0.001, with drinking history). CONCLUSIONS The BDNF gene Val66Met polymorphism does not appear to affect the secretion of proBDNF and mBDNF in Chinese patients with alcohol dependence. Furthermore, this study reconfirmed that the plasma levels of proBDNF and mBDNF were correlated with the average daily alcohol consumption in the last month and with drinking history.
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Affiliation(s)
- Min Mo
- Department of Psychiatry, The Affiliated Mental Health Center of Kunming Medical University, Kunming, Yunnan, China (mainland)
| | - Xi-Yue Fu
- School of Basic Medicine, Kunming Medical University, Kunming, Yunnan, China (mainland)
| | - Xu-Lan Zhang
- Department of Psychiatry, The Affiliated Mental Health Center of Kunming Medical University, Kunming, Yunnan, China (mainland)
| | - Shao-Chuan Zhang
- Department of Psychiatry, The Affiliated Mental Health Center of Kunming Medical University, Kunming, Yunnan, China (mainland)
| | - Hai-Qing Zhang
- Department of Psychiatry, The Affiliated Mental Health Center of Kunming Medical University, Kunming, Yunnan, China (mainland)
| | - Li Wu
- Department of Psychiatry, The Affiliated Mental Health Center of Kunming Medical University, Kunming, Yunnan, China (mainland)
| | - Jia-Lei Li
- Department of Psychiatry, The Affiliated Mental Health Center of Kunming Medical University, Kunming, Yunnan, China (mainland)
| | - Li Zhou
- Department of Psychiatry, The Affiliated Mental Health Center of Kunming Medical University, Kunming, Yunnan, China (mainland)
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Enhancement of parvalbumin interneuron-mediated neurotransmission in the retrosplenial cortex of adolescent mice following third trimester-equivalent ethanol exposure. Sci Rep 2021; 11:1716. [PMID: 33462326 PMCID: PMC7814038 DOI: 10.1038/s41598-021-81173-z] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2020] [Accepted: 01/04/2021] [Indexed: 12/12/2022] Open
Abstract
Prenatal ethanol exposure causes a variety of cognitive deficits that have a persistent impact on quality of life, some of which may be explained by ethanol-induced alterations in interneuron function. Studies from several laboratories, including our own, have demonstrated that a single binge-like ethanol exposure during the equivalent to the third trimester of human pregnancy leads to acute apoptosis and long-term loss of interneurons in the rodent retrosplenial cortex (RSC). The RSC is interconnected with the hippocampus, thalamus, and other neocortical regions and plays distinct roles in visuospatial processing and storage, as well as retrieval of hippocampal-dependent episodic memories. Here we used slice electrophysiology to characterize the acute effects of ethanol on GABAergic neurotransmission in the RSC of neonatal mice, as well as the long-term effects of neonatal ethanol exposure on parvalbumin-interneuron mediated neurotransmission in adolescent mice. Mice were exposed to ethanol using vapor inhalation chambers. In postnatal day (P) 7 mouse pups, ethanol unexpectedly failed to potentiate GABAA receptor-mediated synaptic transmission. Binge-like ethanol exposure of P7 mice expressing channel rhodopsin in parvalbumin-positive interneurons enhanced the peak amplitudes, asynchronous activity and total charge, while decreasing the rise-times of optically-evoked GABAA receptor-mediated inhibitory postsynaptic currents in adolescent animals. These effects could partially explain the learning and memory deficits that have been documented in adolescent and young adult mice exposed to ethanol during the third trimester-equivalent developmental period.
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Wang W, Liu Y, Luo S, Guo X, Luo X, Zhang Y. Associations between brain-derived neurotrophic factor and cognitive impairment in panic disorder. Brain Behav 2020; 10:e01885. [PMID: 33047489 PMCID: PMC7749616 DOI: 10.1002/brb3.1885] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/16/2019] [Revised: 09/15/2020] [Accepted: 09/26/2020] [Indexed: 12/12/2022] Open
Abstract
INTRODUCTION Our study was designed to examine the relationship between Brain-Derived Neurotrophic Factor (BDNF) genotypes (rs6265, Val66Met), BDNF plasma levels, and cognitive impairment in Chinese patients with panic disorder (PD). METHODS Total 85 patients with PD and 91 healthy controls finally completed all assessments. The severity of panic symptoms and whole anxiety of PD was measured by Panic Disorder Severity Scale-Chinese Version (PDSS-CV) and Hamilton Anxiety Scale (HAMA-14). Montreal Cognitive Assessment (MoCA) and some neurocognitive measures were conducted to evaluate the cognitive performance. All participants were detected for the plasma BDNF levels and BDNF Val66Met polymorphism before assessment and treatment. RESULTS No significant differences were found in the BDNF allele frequencies and the BDNF genotype distributions between healthy controls and PD patients. BDNF Met/Met genotype was associated with lower BDNF plasma levels in PD patients, and PD patients with BDNF Met/Met genotype had the lower scores in the attention and speed of processing domains compared to those with Val/Val and Met/Val genotype (p's < .05). Among PD patients, the BDNF plasma levels showed moderate positive correlations with Stroop interference (r = .60, p < .001). Using the MoCA data, the BDNF plasma levels were correlated with delayed memory (r = .50, p < .001), verbal learning (r = .45, p < .001), and total scores of MoCA (r = .51, p < .001). CONCLUSIONS The BDNF Met/Met genotype may be associated with lower BDNF plasma levels and cognitive impairments in PD patients.
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Affiliation(s)
- Wenchen Wang
- Department of Bipolar Disorder, Tianjin Anding Hospital, Tianjin, China
| | - Yuanyuan Liu
- Department of Cardiology, Chest Hospital of Tianjin, Tianjin, China
| | - Shuqing Luo
- Department of Obstetrics, Baoding Second Central Hospital, Hebei, China
| | - Xiaoyun Guo
- Department of psychiatry, Shanghai Mental Health Center, Shanghai, China
| | - Xingguang Luo
- Department of Psychiatry, Yale University School of Medicine, New Haven, CT, USA
| | - Yong Zhang
- Department of Bipolar Disorder, Tianjin Anding Hospital, Tianjin, China
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Bird CW, Barber MJ, Martin J, Mayfield JJ, Valenzuela CF. The mouse-equivalent of the human BDNF VAL66MET polymorphism increases dorsal hippocampal volume and does not interact with developmental ethanol exposure. Alcohol 2020; 86:17-24. [PMID: 32224221 DOI: 10.1016/j.alcohol.2020.03.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2019] [Revised: 03/10/2020] [Accepted: 03/10/2020] [Indexed: 10/24/2022]
Abstract
A relatively common polymorphism in the human brain-derived neurotrophic factor (BDNF) gene (Val66Met, which corresponds to Val68Met in mice) has been shown to modulate cognitive function and vulnerability to mental health disorders. This substitution impairs trafficking and activity-dependent release of BDNF. A number of studies with both humans and transgenic mice suggest that carriers of the Met allele have deficits in the structure and/or function of the hippocampal formation. Using a relatively new transgenic mouse model of this polymorphism, we recently demonstrated that it modulates the effects of developmental ethanol exposure in the hippocampus. Here, we further characterized the effect of this polymorphism on hippocampal morphology and its interaction with ethanol vapor exposure during the 2nd and 3rd trimester equivalents of human pregnancy. We found that BDNFmet/met mice have slightly larger hippocampal volumes than BDNFval/val mice. Ethanol vapor exposure during the 2nd and 3rd trimester equivalents of human pregnancy increased hippocampal volume in a single hippocampal subregion, the CA1 stratum radiatum. Ethanol exposure did not interact with BDNF genotype to affect volume in any hippocampal subregion. These results suggest that the Val66Met polymorphism does not reduce hippocampal size (i.e., it rather increases it slightly) or increase susceptibility to prenatal ethanol exposure-induced structural hippocampal damage during adulthood.
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Ieraci A, Herrera DG. Early Postnatal Ethanol Exposure in Mice Induces Sex-Dependent Memory Impairment and Reduction of Hippocampal NMDA-R2B Expression in Adulthood. Neuroscience 2019; 427:105-115. [PMID: 31874240 DOI: 10.1016/j.neuroscience.2019.11.045] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2019] [Revised: 11/25/2019] [Accepted: 11/26/2019] [Indexed: 12/11/2022]
Abstract
Drinking alcohol during pregnancy is particularly detrimental for the developing brain and may cause a broad spectrum of cognitive and behavioral impairments, collectively known as fetal alcohol spectrum disorder (FASD). While behavioral abnormalities and brain damage have been widely investigated in animal models of FASD, the sex differences in the vulnerability to perinatal ethanol exposure have received less consideration. Here we investigated the long-term behavioral and molecular effects of acute ethanol-binge like exposure during the early postnatal period (equivalent to the third trimester of human pregnancy) in adult male and female mice. CD1 mice received a single ethanol exposure on P7 and were analyzed starting from P60. We found that ethanol-exposed mice showed increased activity in the open field test and in the plus-maze test, regardless of the sex. Interestingly, only ethanol-exposed adult male mice exhibited memory impairment in the water maze and fear-conditioning tests. Remarkably, hippocampal levels of NMDA-R2B were reduced only in ethanol-exposed male, while total BDNF levels were increased in both male and female ethanol-exposed mice. Our data suggest a different susceptibility of early postnatal ethanol exposure in male and female CD1 mice.
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Affiliation(s)
- Alessandro Ieraci
- Department of Psychiatry, Weill Medical College of Cornell University, New York, NY 10065, USA.
| | - Daniel G Herrera
- Department of Psychiatry, Weill Medical College of Cornell University, New York, NY 10065, USA
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Gustus K, Lozano E, Newville J, Li L, Valenzuela CF, Cunningham LA. Resistance of Postnatal Hippocampal Neurogenesis to Alcohol Toxicity in a Third Trimester-Equivalent Mouse Model of Gestational Alcohol Exposure. Alcohol Clin Exp Res 2019; 43:2504-2513. [PMID: 31573091 DOI: 10.1111/acer.14207] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2019] [Accepted: 09/22/2019] [Indexed: 12/14/2022]
Abstract
BACKGROUND The adult hippocampal dentate is comprised of both developmentally generated dentate granule cells (dDGCs) and adult-generated dentate granule cells (aDGCs), which play distinct roles in hippocampal information processing and network function. EtOH exposure throughout gestation in mouse impairs the neurogenic response to enriched environment (EE) in adulthood, although the basal rate of adult neurogenesis under standard housing (SH) is unaffected. Here, we tested whether the production and/or survival of either dDGCs or aDGCs are selectively impaired following exposure of mice to EtOH vapors during early postnatal development (human third trimester-equivalent), and whether this exposure paradigm leads to impairment of EE-mediated dentate neurogenesis in adulthood. METHODS All experiments were performed using NestinCreERT2 :tdTomato bitransgenic mice, which harbor a tamoxifen-inducible tdTomato (tdTom) reporter for indelible labeling of newborn hippocampal DGCs. We exposed all mice to EtOH vapor or room air (Control) for 4 h/d from postnatal day (PND) 3 through PND 15. This paradigm resulted in a mean daily postexposure blood EtOH concentration of ~160 mg/dl. One cohort of neonatal mice received a single injection of tamoxifen at PND 2 and was sacrificed at either PND 16 or PND 50 to assess the impact of EtOH exposure on the production and long-term survival of dDGCs born during the early postnatal period. A second cohort of mice received daily injections of tamoxifen at PND 35 to 39 to label aDGCs and was exposed to SH or EE for 6 weeks prior to sacrifice. RESULTS Early postnatal EtOH exposure had no statistically significant effect on the production or survival of tdTom+ dDGCs, as assessed at PND 16 or PND 50. Early postnatal EtOH exposure also had no effect on the number of tdTom+ aDGCs under SH conditions. Furthermore, early postnatal EtOH exposure had no significant impact on the adult neurogenic response to EE. CONCLUSIONS Both early postnatal dentate neurogenesis and adult dentate neurogenesis, as well as the adult neurogenic response to EE, are surprisingly resistant to early postnatal EtOH vapor exposure in mice.
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Affiliation(s)
- Kymberly Gustus
- Department of Neuroscience, University of New Mexico Health Sciences Center, Albuquerque, New Mexico
| | - Evelyn Lozano
- Department of Neuroscience, University of New Mexico Health Sciences Center, Albuquerque, New Mexico
| | - Jessie Newville
- Department of Neuroscience, University of New Mexico Health Sciences Center, Albuquerque, New Mexico
| | - Lu Li
- Department of Neuroscience, University of New Mexico Health Sciences Center, Albuquerque, New Mexico
| | | | - Lee Anna Cunningham
- Department of Neuroscience, University of New Mexico Health Sciences Center, Albuquerque, New Mexico
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Licari MK, Finlay-Jones A, Reynolds JE, Alvares GA, Spittle AJ, Downs J, Whitehouse AJO, Leonard H, Evans KL, Varcin K. The Brain Basis of Comorbidity in Neurodevelopmental Disorders. CURRENT DEVELOPMENTAL DISORDERS REPORTS 2019. [DOI: 10.1007/s40474-019-0156-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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