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Naseem M, Khan H, Parvez S. TrkB-BDNF Signalling and Arc/Arg3.1 Immediate Early Genes in the Anterior Cingulate Cortex and Hippocampus: Insights into Novel Memory Milestones Through Behavioural Tagging. Mol Neurobiol 2024; 61:8307-8319. [PMID: 38485841 DOI: 10.1007/s12035-024-04071-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2023] [Accepted: 02/26/2024] [Indexed: 09/21/2024]
Abstract
In recent years, there has been a surge in interest in investigating the mechanisms underlying memory consolidation. However, our understanding of the behavioural tagging (BT) model and its establishment in diverse brain regions remains limited. This study elucidates the contributions of the anterior cingulate cortex (ACC) and hippocampus in the formation of long-term memory (LTM) employing behaviour tagging as a model for studying the underlying mechanism of LTM formation in rats. Existing knowledge highlights a protein synthesis-dependent phase as imperative for LTM. Brain-derived neurotrophic factor (BDNF) stands as a pivotal plasticity-related protein (PRP) in mediating molecular alterations crucial for long-term synaptic plasticity and memory consolidation. Our study offers evidence suggesting that tropomyosin receptor kinase B (TrkB), the receptor of BDNF, may act as a combined "behavioural tag/PRP". Interfering with the expression of these molecules resulted in impaired LTM after 24 h. Furthermore, augmenting BDNF expression led to an elevation in Arc protein levels in both the ACC and hippocampus regions. Introducing novelty around weak inhibitory avoidance (IA) training resulted in heightened step-down latencies and expression of these molecules, respectively. We also demonstrate that the increase in Arc expression relies on BDNF synthesis, which is vital for the memory consolidation process. Additionally, inhibiting BDNF using an anti-BDNF function-blocking antibody impacted Arc expression in both the ACC and hippocampus regions, disrupting the transformations from labile to robust memory. These findings mark the initial identification of a "behavioural tag/PRP" combination and underscore the involvement of the TrkB-BDNF-Arc cascade in the behavioural tagging model of learning and memory.
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Affiliation(s)
- Mehar Naseem
- Department of Toxicology, School of Chemical and Life Sciences, Jamia Hamdard, New Delhi, 110062, India
| | - Hiba Khan
- Department of Toxicology, School of Chemical and Life Sciences, Jamia Hamdard, New Delhi, 110062, India
| | - Suhel Parvez
- Department of Toxicology, School of Chemical and Life Sciences, Jamia Hamdard, New Delhi, 110062, India.
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He Y, Tian Y, Xiong H, Deng Z, Zhang H, Guo F, Sun Y. Rice Protein Peptides Ameliorate DSS-Induced Cognitive Impairment and Depressive Behavior in Mice by Modulating Phenylalanine Metabolism and the BDNF/TRKB/CREB Pathway. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2024; 72:19812-19825. [PMID: 39208363 DOI: 10.1021/acs.jafc.4c03733] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/04/2024]
Abstract
Rice protein peptide (RPP) has been reported to alleviate the symptoms of dextran sulfate sodium (DSS)-induced colitis, but its potential protective effect and fundamental neurobiological mechanisms against DSS-induced inflammatory bowel disease (IBD), coupled with depression and cognitive impairment, remain unclear. In this study, RPP treatment in DSS-induced mice inhibited decreases in body weight and colon length and improved intestinal barrier function and behavioral performance. RPP treatment enhanced phenylalanine and tyrosine metabolism in the brains of mice, and it upregulated metabolites such as l-dopa, phenylethylamine, and 3,4-dihydroxyphenylacetate. Additionally, RPP treatment enhanced the brain-derived neurotrophic factor (BDNF) by upregulating the BDNF/TrkB/CREB signaling pathway. Spearman's correlation analysis revealed that the phenylalanine and tyrosine contents in the brain were significantly negatively correlated with the BDNF/TrkB/CREB signaling pathway and behavioral performance. In conclusion, this study suggested that RPP may serve as a unique nutritional strategy for preventing IBD and its associated cognitive impairment and depression symptoms.
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Affiliation(s)
- Yangzheng He
- State Key Laboratory of Food Science and Resources, Nanchang University, Nanchang, Jiangxi 330047, China
- Jiangxi Medicine Academy of Nutrition and Health Management, Nanchang, Jiangxi 330052, China
| | - Yue Tian
- State Key Laboratory of Food Science and Resources, Nanchang University, Nanchang, Jiangxi 330047, China
| | - Hua Xiong
- State Key Laboratory of Food Science and Resources, Nanchang University, Nanchang, Jiangxi 330047, China
| | - Zeyuan Deng
- State Key Laboratory of Food Science and Resources, Nanchang University, Nanchang, Jiangxi 330047, China
| | - Hua Zhang
- Jiangxi University of Traditional Chinese Medicine, Nanchang, Jiangxi 330004, PR China
| | - Fanghua Guo
- State Key Laboratory of Food Science and Resources, Nanchang University, Nanchang, Jiangxi 330047, China
| | - Yong Sun
- State Key Laboratory of Food Science and Resources, Nanchang University, Nanchang, Jiangxi 330047, China
- Jiangxi Medicine Academy of Nutrition and Health Management, Nanchang, Jiangxi 330052, China
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Aljabali AAA, Alkaraki AK, Gammoh O, Tambuwala MM, Mishra V, Mishra Y, Hassan SS, El-Tanani M. Deciphering Depression: Epigenetic Mechanisms and Treatment Strategies. BIOLOGY 2024; 13:638. [PMID: 39194576 DOI: 10.3390/biology13080638] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/02/2024] [Revised: 08/14/2024] [Accepted: 08/19/2024] [Indexed: 08/29/2024]
Abstract
Depression, a significant mental health disorder, is under intense research scrutiny to uncover its molecular foundations. Epigenetics, which focuses on controlling gene expression without altering DNA sequences, offers promising avenues for innovative treatment. This review explores the pivotal role of epigenetics in depression, emphasizing two key aspects: (I) identifying epigenetic targets for new antidepressants and (II) using personalized medicine based on distinct epigenetic profiles, highlighting potential epigenetic focal points such as DNA methylation, histone structure alterations, and non-coding RNA molecules such as miRNAs. Variations in DNA methylation in individuals with depression provide opportunities to target genes that are associated with neuroplasticity and synaptic activity. Aberrant histone acetylation may indicate that antidepressant strategies involve enzyme modifications. Modulating miRNA levels can reshape depression-linked gene expression. The second section discusses personalized medicine based on epigenetic profiles. Analyzing these patterns could identify biomarkers associated with treatment response and susceptibility to depression, facilitating tailored treatments and proactive mental health care. Addressing ethical concerns regarding epigenetic information, such as privacy and stigmatization, is crucial in understanding the biological basis of depression. Therefore, researchers must consider these issues when examining the role of epigenetics in mental health disorders. The importance of epigenetics in depression is a critical aspect of modern medical research. These findings hold great potential for novel antidepressant medications and personalized treatments, which would significantly improve patient outcomes, and transform psychiatry. As research progresses, it is expected to uncover more complex aspects of epigenetic processes associated with depression, enhance our comprehension, and increase the effectiveness of therapies.
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Affiliation(s)
- Alaa A A Aljabali
- Faculty of Pharmacy, Department of Pharmaceutics & Pharmaceutical Technology, Yarmouk University, Irbid 21163, Jordan
| | - Almuthanna K Alkaraki
- Department of Biological Sciences, Faculty of Science, Yarmouk University, Irbid 21163, Jordan
| | - Omar Gammoh
- Department of Clinical Pharmacy and Pharmacy Practice, Faculty of Pharmacy, Yarmouk University, P.O. Box 566, Irbid 21163, Jordan
| | - Murtaza M Tambuwala
- College of Pharmacy, Ras Al Khaimah Medical and Health Sciences University, Ras Al Khaimah P.O. Box 11172, United Arab Emirates
| | - Vijay Mishra
- School of Pharmaceutical Sciences, Lovely Professional University, Phagwara 144411, Punjab, India
| | - Yachana Mishra
- School of Bioengineering and Biosciences, Lovely Professional University, Phagwara 144411, Punjab, India
| | - Sk Sarif Hassan
- Department of Mathematics, Pingla Thana Mahavidyalaya, Maligram, Paschim Medinipur 721140, West Bengal, India
| | - Mohamed El-Tanani
- College of Pharmacy, Ras Al Khaimah Medical and Health Sciences University, Ras Al Khaimah P.O. Box 11172, United Arab Emirates
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Gardner RS, Ambalavanar MT, Gold PE, Korol DL. Enhancement of response learning in male rats with intrastriatal infusions of a BDNF - TrkB agonist, 7,8-dihydroxyflavone. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.08.08.606692. [PMID: 39211174 PMCID: PMC11360987 DOI: 10.1101/2024.08.08.606692] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/04/2024]
Abstract
Enhancement of learning and memory by cognitive and physical exercise may be mediated by brain-derived neurotrophic factor (BDNF) acting at tropomyosin receptor kinase B (TrkB). Upregulation of BDNF and systemic administration of a TrkB agonist, 7,8-dihydroxyflavone (7,8-DHF), enhance learning of several hippocampus-sensitive tasks in rodents. Although BDNF and 7,8-DHF enhance functions of other brain areas too, these effects have mainly targeted non-cognitive functions. One goal of the present study was to determine whether 7,8-DHF would act beyond the hippocampus to enhance cognitive functions sensitive to manipulations of the striatum. Here, we examined the effects of intrastriatal infusions of 7,8-DHF on learning a striatum-sensitive response maze and on phosphorylation of TrkB receptors in 3-month-old male Sprague Dawley rats. Most prior studies of BDNF and 7,8-DHF effects on learning and memory have administered the drugs for days to months before assessing effects on cognition. A second goal of the present study was to determine whether a single drug treatment near the time of training would effectively enhance learning. Moreover, 7,8-DHF is often tested for its ability to reverse impairments in learning and memory rather than to enhance these functions in the absence of impairments. Thus, a third goal of this experiment was to evaluate the efficacy of 7,8-DHF in enhancing learning in unimpaired rats. In untrained rats, intrastriatal infusions of 7,8-DHF resulted in phosphorylation of TrkB receptors, suggesting that 7,8-DHF acted as a TrkB agonist and BDNF mimic. The findings that a single, intra-striatal infusion of 7,8-DHF 20 min before training enhanced response learning in rats suggest that, in addition to its trophic effects, BDNF modulates learning and memory through receptor mediated cell signaling events.
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Yu H, Li X, Zhang Q, Geng L, Su B, Wang Y. miR-143-3p modulates depressive-like behaviors via Lasp1 in the mouse ventral hippocampus. Commun Biol 2024; 7:944. [PMID: 39098885 PMCID: PMC11298515 DOI: 10.1038/s42003-024-06639-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2024] [Accepted: 07/26/2024] [Indexed: 08/06/2024] Open
Abstract
Depression is a prevalent and intricate mental disorder. The involvement of small RNA molecules, such as microRNAs in the pathogenesis and neuronal mechanisms underlying the depression have been documented. Previous studies have demonstrated the involvement of microRNA-143-3p (miR-143-3p) in the process of fear memory and pathogenesis of ischemia; however, the relationship between miR-143-3p and depression remains poorly understood. Here we utilized two kinds of mouse models to investigate the role of miR-143-3p in the pathogenesis of depression. Our findings reveal that the expression of miR-143-3p is upregulated in the ventral hippocampus (VH) of mice subjected to chronic restraint stress (CRS) or acute Lipopolysaccharide (LPS) treatment. Inhibiting the expression of miR-143-3p in the VH effectively alleviates depressive-like behaviors in CRS and LPS-treated mice. Furthermore, we identify Lasp1 as one of the downstream target genes regulated by miR-143-3p. The miR-143-3p/Lasp1 axis primarily affects the occurrence of depressive-like behaviors in mice by modulating synapse numbers in the VH. Finally, miR-143-3p/Lasp1-induced F-actin change is responsible for the synaptic number variations in the VH. In conclusion, this study enhances our understanding of microRNA-mediated depression pathogenesis and provides novel prospects for developing therapeutic approaches for this intractable mood disorder.
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Affiliation(s)
- Hui Yu
- Department of Cell Biology, Shandong Provincial Key Laboratory of Mental Disorders, School of Basic Medical Sciences, Shandong University, 250012, Jinan, Shandong, China
| | - Xiaobing Li
- Medical Experimental Center, Jinan Maternity and Child Care Hospital Affiliated to Shandong First Medical University, 250000, Jinan, China
- Department of Human Anatomy Histology and Embryology, School of Clinical and Basic Medical Sciences, Shandong First Medical University & Shandong Academy of Medical Sciences, 250117, Jinan, China
| | - Qiyao Zhang
- Medical Experimental Center, Jinan Maternity and Child Care Hospital Affiliated to Shandong First Medical University, 250000, Jinan, China
| | - Lian Geng
- Department of Cell Biology, Shandong Provincial Key Laboratory of Mental Disorders, School of Basic Medical Sciences, Shandong University, 250012, Jinan, Shandong, China
| | - Bo Su
- Department of Cell Biology, Shandong Provincial Key Laboratory of Mental Disorders, School of Basic Medical Sciences, Shandong University, 250012, Jinan, Shandong, China.
| | - Yue Wang
- Medical Experimental Center, Jinan Maternity and Child Care Hospital Affiliated to Shandong First Medical University, 250000, Jinan, China.
- Department of Human Anatomy Histology and Embryology, School of Clinical and Basic Medical Sciences, Shandong First Medical University & Shandong Academy of Medical Sciences, 250117, Jinan, China.
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Jankovic-Rankovic J, Panter-Brick C. Physiological and genomic signatures of war and displacement: A comprehensive literature review and future directions. Psychoneuroendocrinology 2024; 166:107084. [PMID: 38788460 DOI: 10.1016/j.psyneuen.2024.107084] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/02/2023] [Revised: 05/06/2024] [Accepted: 05/13/2024] [Indexed: 05/26/2024]
Abstract
There are now 108.4 million forcibly displaced people worldwide, many of whom endure adversities that result in trauma, toxic stress, and potentially, altered epigenetic development. This paper provides a comprehensive review of current literature on the biological signatures of war and forced migration among refugee populations. To consolidate evidence and identify key concerns and avenues for future research, we reviewed 36 publications and one article under review, published since 2000, most of which focused on refugees relocated in Europe and the Middle East. This body of work - including cross-sectional, observational, and experimental studies - reveals heterogenous findings regarding human biological responses to war-related adversities and their associations with health outcomes. We conclude with four main observations, regarding why genomic and physiological biomarkers are valuable, what study designs advance understanding of causality and health-promoting interventions, how to prepare for ethical challenges, and why theoretical frameworks and research procedures need more detailed consideration in scientific publications.
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Affiliation(s)
| | - Catherine Panter-Brick
- Department of Anthropology, Yale University, New Haven, CT 06520, USA; Jackson School of Global Affairs, Yale University, New Haven, CT 06520, USA
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Martins LA, Schiavo A, Paz LV, Xavier LL, Mestriner RG. Neural underpinnings of fine motor skills under stress and anxiety: A review. Physiol Behav 2024; 282:114593. [PMID: 38782244 DOI: 10.1016/j.physbeh.2024.114593] [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: 03/05/2024] [Revised: 05/17/2024] [Accepted: 05/21/2024] [Indexed: 05/25/2024]
Abstract
This review offers a comprehensive examination of how stress and anxiety affect motor behavior, particularly focusing on fine motor skills and gait adaptability. We explore the role of several neurochemicals, including brain-derived neurotrophic factor (BDNF) and dopamine, in modulating neural plasticity and motor control under these affective states. The review highlights the importance of developing therapeutic strategies that enhance motor performance by leveraging the interactions between key neurochemicals. Additionally, we investigate the complex interplay between emotional-cognitive states and sensorimotor behaviors, showing how stress and anxiety disrupt neural integration, leading to impairments in skilled movements and negatively impacting quality of life. Synthesizing evidence from human and rodent studies, we provide a detailed understanding of the relationships among stress, anxiety, and motor behavior. Our findings reveal neurophysiological pathways, behavioral outcomes, and potential therapeutic targets, emphasizing the intricate connections between neurobiological mechanisms, environmental factors, and motor performance.
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Affiliation(s)
- Lucas Athaydes Martins
- Pontifical Catholic University of Rio Grande do Sul (PUCRS). Graduate Program in Biomedical Gerontology, Av. Ipiranga, 6681, Porto Alegre, Brazil; Pontifical Catholic University of Rio Grande do Sul (PUCRS). Neuroscience, Motor Behavior, and Rehabilitation Research Group (NECORE-CNPq), Av. Ipiranga, 6681, Porto Alegre, Brazil
| | - Aniuska Schiavo
- Pontifical Catholic University of Rio Grande do Sul (PUCRS). Graduate Program in Biomedical Gerontology, Av. Ipiranga, 6681, Porto Alegre, Brazil; Pontifical Catholic University of Rio Grande do Sul (PUCRS). Neuroscience, Motor Behavior, and Rehabilitation Research Group (NECORE-CNPq), Av. Ipiranga, 6681, Porto Alegre, Brazil
| | - Lisiê Valéria Paz
- Pontifical Catholic University of Rio Grande do Sul (PUCRS). Graduate Program in Cellular and Molecular Biology, Av. Ipiranga, 6681, Porto Alegre, Brazil
| | - Léder Leal Xavier
- Pontifical Catholic University of Rio Grande do Sul (PUCRS). Neuroscience, Motor Behavior, and Rehabilitation Research Group (NECORE-CNPq), Av. Ipiranga, 6681, Porto Alegre, Brazil; Pontifical Catholic University of Rio Grande do Sul (PUCRS). Graduate Program in Cellular and Molecular Biology, Av. Ipiranga, 6681, Porto Alegre, Brazil
| | - Régis Gemerasca Mestriner
- Pontifical Catholic University of Rio Grande do Sul (PUCRS). Graduate Program in Biomedical Gerontology, Av. Ipiranga, 6681, Porto Alegre, Brazil; Pontifical Catholic University of Rio Grande do Sul (PUCRS). Neuroscience, Motor Behavior, and Rehabilitation Research Group (NECORE-CNPq), Av. Ipiranga, 6681, Porto Alegre, Brazil; Pontifical Catholic University of Rio Grande do Sul (PUCRS). Graduate Program in Cellular and Molecular Biology, Av. Ipiranga, 6681, Porto Alegre, Brazil.
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Dong J, Wei R, Zong F, Wang Z, Ma S, Zhao W, Lin Y, Zhang A, Lan G, Zhang F, Zhang HT. Phosphodiesterase 7 inhibitor reduces stress-induced behavioral and cytoarchitectural changes in C57BL/6J mice by activating the BDNF/TrkB pathway. Front Pharmacol 2024; 15:1411652. [PMID: 39092219 PMCID: PMC11291325 DOI: 10.3389/fphar.2024.1411652] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2024] [Accepted: 06/28/2024] [Indexed: 08/04/2024] Open
Abstract
Background Phosphodiesterase 7 (PDE7) plays a role in neurological function. Increased expression and activity of PDE7 has been detected in several central nervous system diseases. However, the role of PDE7 in regulating stress levels remains unclear. Thus, this study aimed to determine whether and how PDE7 involved in the stress-induced behavioral and neuron morphological changes. Methods The single prolonged stress (SPS) was used to build a stress exposure model in C57BL/6 J mice and detected PDE7 activity in hippocampus, amygdala, prefrontal cortex and striatum. Next, three doses (0.2, 1, and 5 mg/kg) of the PDE7 inhibitor BRL-50481 were intraperitoneally administered for 10 days, then behavioral, biochemical, and morphological tests were conducted. Results PDE7 activity in hippocampus of mice significantly increased at all times after SPS. BRL-50481 significantly attenuated SPS induced anxiety-like behavior and fear response in both context and cue. In addition, BRL-50481 increased the levels of key molecules in the cAMP signaling pathway which were impaired by SPS. Immunofluorescent staining and Sholl analysis demonstrated that BRL-50481 also restored the nucleus/cytoplasm ratio of hippocampal neurons and improved neuronal plasticity. These effects of BRL-50481 were partially blocked by the TrkB inhibitor ANA-12. Conclusion PDE7 inhibitors attenuate stress-induced behavioral changes by protecting the neuron cytoarchitecture and the neuronal plasticity in hippocampus, which is mediated at least partly through the activation of BDNF/TrkB signaling pathway. These results proved that PDE7 is a potential target for treating stress-induced behavioral and physiological abnormalities.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | - Fang Zhang
- Department of Pharmacology, Qingdao University School of Pharmacy, Qingdao, China
| | - Han-Ting Zhang
- Department of Pharmacology, Qingdao University School of Pharmacy, Qingdao, China
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Borzooee B, Aghayan S, Hassani-Abharian P, Emamian MH. Effect of Transcranial Direct Current Stimulation on Craving, Cognitive Functions, and Serum Brain-Derived Neurotrophic Factor Level in Individuals on Maintenance Treatment for Opioid Use Disorder, A Randomized Sham-Controlled Trial. J ECT 2024:00124509-990000000-00184. [PMID: 38981034 DOI: 10.1097/yct.0000000000001046] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 07/11/2024]
Abstract
OBJECTIVES To investigate the effects of transcranial direct current stimulation (tDCS) on brain-derived neurotrophic factor (BDNF) levels, craving, and executive functions in individuals on maintenance treatment for opioid use. METHODS We randomized 70 right-handed men aged 18-55 years into 2 groups: the intervention group and the sham group. The intervention was 10 sessions of 2 mA stimulation over 5 days. Each session in the sham group ended after 30 seconds. Craving was measured using the Desire for Drug Questionnaire (DDQ), Obsessive Compulsive Drug Use Scale (OCDUS), and visual analog scale (VAS). The measurements were taken before and after the intervention, as well as 2 months later. BDNF was measured before and after the intervention. Repeated-measures analysis of variance, the generalized estimating equation model, and independent t test were used for data analysis. RESULTS The mean differences (95% confidence intervals) in pre and post craving scores in the intervention group were (12.71 [9.10 to 16.32], P = 0.167) for VAS, (1.54 [1.12 to 1.96], P = 0.012) for OCDUS, and (1.71 [1.27 to 2.15], P = 0.125) for DDQ. These measures in the control group were -0.44 (-1.19 to 0.30), 0.01 (-0.21 to 0.23), and 0.126 (-0.11 to 0.36), respectively. BDNF serum levels significantly increased after the intervention (difference, 0.84 [0.69 to 0.99], P < 0.001); however, this change was not significant in the generalized estimating equation model. The effect of tDCS on craving was significant in OCDUS, but not significant in VAS and DDQ. CONCLUSIONS The tDCS reduces craving and improves executive functions in the short term. BDNF serum level was not associated with tDCS.
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Affiliation(s)
| | - Shahrokh Aghayan
- Center for Health Related Social and Behavioral Sciences Research, Shahroud University of Medical Sciences, Shahroud
| | - Peyman Hassani-Abharian
- Department of Cognitive Psychology and Cognitive Rehabilitation, Institute for Cognitive Science Studies, Tehran
| | - Mohammad Hassan Emamian
- Ophthalmic Epidemiology Research Center, Shahroud University of Medical Sciences, Shahroud, Iran
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Lamadé EK, Pedraz-Petrozzi B, Lindner O, Meininger P, Pisters A, Gilles M, Witt SH, Rietschel M, Dukal H, Schunk F, Coenen M, Wudy SA, Hellweg R, Deuschle M. Stress in pregnancy - Implications for fetal BDNF in amniotic fluid at birth. Neurobiol Stress 2024; 31:100658. [PMID: 39100725 PMCID: PMC11294724 DOI: 10.1016/j.ynstr.2024.100658] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2024] [Revised: 05/20/2024] [Accepted: 06/21/2024] [Indexed: 08/06/2024] Open
Abstract
Introduction At the maternal-fetal interface in pregnancy, stress during pregnancy can lead to an increased vulnerability to later psychopathology of the fetus. Potential mediators of this association have scarcely been studied and may include early alterations of fetal brain-derived neurotrophic factor (BDNF). Amniotic fluid is of particular interest for effects on fetal endocrine alterations, as the assessment in amniotic fluid allows for measurements over a time integral. This study hypothesized that maternal psychometrics, socioeconomic status and glucocorticoids are related to BDNF levels in amniotic fluid at birth. The association of fetal BDNF with newborn anthropometrics was tested. Methods Women near term who underwent elective cesarean section and their newborns were investigated (n = 37). Maternal psychometrics, socioeconomic status and glucocorticoids (the sum of cortisol and cortisone) in amniotic fluid at birth were analyzed for an association with fetal BDNF in amniotic fluid at birth. Newborn anthropometrics were assessed by length, weight, head circumference and gestational age at birth. Results In bivariate analysis, maternal psychometrics and socioeconomic status were not related to fetal BDNF in amniotic fluid at birth. The sum of cortisol and cortisone related to increased fetal BDNF in amniotic fluid at birth (r = 0.745, p < 0.001). BDNF in amniotic fluid was associated negatively with fetal birth weight per gestational age (r = -0.519, p < 0.001), length per gestational age (r = -0.374, p = 0.023), head circumference per gestational age (r = -0.508, p = 0.001), but not with gestational age at birth. In multiple regression analysis, the sum of cortisol and cortisone (p < 0.001) and birth weight per gestational age (p = 0.012) related to higher fetal BDNF levels in amniotic fluid at birth (R2 = 0.740, p < 0.001) when controlling for fetal sex and maternal age. Head circumference per gestational age predicted fetal BDNF with borderline significance (p = 0.058) when controlling for confounders. Conclusion Glucocorticoids in amniotic fluid were positively associated with high fetal BDNF at birth, which may be an adaptive fetal response. Maternal psychological variables and socioeconomic status did not link to fetal BDNF. Birth weight and head circumference per gestational age were inversely associated with fetal BDNF at birth, which may represent a compensatory upregulation of BDNF in fetuses with low anthropometrics. Longitudinal studies are needed to assess the role of stress during pregnancy on later offspring development. The analysis of additional fetal growth factors and inflammation upon maternal stress in further biomaterials such as the placenta is warranted, to understand mechanistic alterations of how maternal stress links to fetal development and an increased vulnerability for psychopathology.
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Affiliation(s)
- Eva Kathrin Lamadé
- Department of Psychiatry and Psychotherapy, Central Institute of Mental Health, Medical Faculty Mannheim, University of Heidelberg, Mannheim, Germany
- German Center for Mental Health (DZPG), partner site Mannheim-Heidelberg-Ulm, Germany
| | - Bruno Pedraz-Petrozzi
- Department of Psychiatry and Psychotherapy, Central Institute of Mental Health, Medical Faculty Mannheim, University of Heidelberg, Mannheim, Germany
- German Center for Mental Health (DZPG), partner site Mannheim-Heidelberg-Ulm, Germany
| | - Ole Lindner
- Center for Child and Adolescent Health, Pediatrics, University Hospital of Freiburg, 79106, Freiburg, Germany
| | - Pascal Meininger
- Department of Gynecology and Obstetrics, Westpfalz-Klinikum, 67665, Kaiserslautern, Germany
| | - Antonia Pisters
- Department of Psychiatry and Psychotherapy, Central Institute of Mental Health, Medical Faculty Mannheim, University of Heidelberg, Mannheim, Germany
- German Center for Mental Health (DZPG), partner site Mannheim-Heidelberg-Ulm, Germany
| | - Maria Gilles
- Department of Psychiatry and Psychotherapy, Central Institute of Mental Health, Medical Faculty Mannheim, University of Heidelberg, Mannheim, Germany
- German Center for Mental Health (DZPG), partner site Mannheim-Heidelberg-Ulm, Germany
| | - Stephanie H. Witt
- German Center for Mental Health (DZPG), partner site Mannheim-Heidelberg-Ulm, Germany
- Department of Genetic Epidemiology in Psychiatry, Central Institute of Mental Health, Medical Faculty Mannheim, University of Heidelberg, Mannheim, Germany
- Center for Innovative Psychiatry and Psychotherapy Research (ZIPP), Central Institute of Mental Health, Medical Faculty Mannheim, University of Heidelberg, Mannheim, Germany
| | - Marcella Rietschel
- German Center for Mental Health (DZPG), partner site Mannheim-Heidelberg-Ulm, Germany
- Department of Genetic Epidemiology in Psychiatry, Central Institute of Mental Health, Medical Faculty Mannheim, University of Heidelberg, Mannheim, Germany
- Center for Innovative Psychiatry and Psychotherapy Research (ZIPP), Central Institute of Mental Health, Medical Faculty Mannheim, University of Heidelberg, Mannheim, Germany
| | - Helene Dukal
- German Center for Mental Health (DZPG), partner site Mannheim-Heidelberg-Ulm, Germany
- Department of Genetic Epidemiology in Psychiatry, Central Institute of Mental Health, Medical Faculty Mannheim, University of Heidelberg, Mannheim, Germany
- Center for Innovative Psychiatry and Psychotherapy Research (ZIPP), Central Institute of Mental Health, Medical Faculty Mannheim, University of Heidelberg, Mannheim, Germany
| | - Fabian Schunk
- Department of Psychiatry and Psychotherapy, Central Institute of Mental Health, Medical Faculty Mannheim, University of Heidelberg, Mannheim, Germany
- German Center for Mental Health (DZPG), partner site Mannheim-Heidelberg-Ulm, Germany
| | - Michaela Coenen
- Institute for Medical Information Processing, Biometry, and Epidemiology - IBE, Chair of Public Health and Health Services Research, Medical Faculty, LMU Munich, Munich, Germany
- Pettenkofer School of Public Health, Munich, Germany
| | - Stefan A. Wudy
- Laboratory for Translational Hormone Analytics, Division of Pediatric Endocrinology and Diabetology, Center of Child and Adolescent Medicine, Justus Liebig University, Giessen, Germany
| | - Rainer Hellweg
- Department of Psychiatry and Psychotherapy, Charité - Universitätsmedizin Berlin, Corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and the Berlin Institute of Health, Berlin, Germany
| | - Michael Deuschle
- Department of Psychiatry and Psychotherapy, Central Institute of Mental Health, Medical Faculty Mannheim, University of Heidelberg, Mannheim, Germany
- German Center for Mental Health (DZPG), partner site Mannheim-Heidelberg-Ulm, Germany
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11
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Kołodziej-Sobczak D, Sobczak Ł, Łączkowski KZ. Protein Tyrosine Phosphatase 1B (PTP1B): A Comprehensive Review of Its Role in Pathogenesis of Human Diseases. Int J Mol Sci 2024; 25:7033. [PMID: 39000142 PMCID: PMC11241624 DOI: 10.3390/ijms25137033] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2024] [Revised: 06/23/2024] [Accepted: 06/24/2024] [Indexed: 07/16/2024] Open
Abstract
Overexpression of protein tyrosine phosphatase 1B (PTP1B) disrupts signaling pathways and results in numerous human diseases. In particular, its involvement has been well documented in the pathogenesis of metabolic disorders (diabetes mellitus type I and type II, fatty liver disease, and obesity); neurodegenerative diseases (Alzheimer's disease, Parkinson's disease); major depressive disorder; calcific aortic valve disease; as well as several cancer types. Given this multitude of therapeutic applications, shortly after identification of PTP1B and its role, the pursuit to introduce safe and selective enzyme inhibitors began. Regrettably, efforts undertaken so far have proved unsuccessful, since all proposed PTP1B inhibitors failed, or are yet to complete, clinical trials. Intending to aid introduction of the new generation of PTP1B inhibitors, this work collects and organizes the current state of the art. In particular, this review intends to elucidate intricate relations between numerous diseases associated with the overexpression of PTP1B, as we believe that it is of the utmost significance to establish and follow a brand-new holistic approach in the treatment of interconnected conditions. With this in mind, this comprehensive review aims to validate the PTP1B enzyme as a promising molecular target, and to reinforce future research in this direction.
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Affiliation(s)
- Dominika Kołodziej-Sobczak
- Department of Chemical Technology and Pharmaceuticals, Faculty of Pharmacy, Collegium Medicum, Nicolaus Copernicus University, Jurasza 2, 85-089 Bydgoszcz, Poland;
| | - Łukasz Sobczak
- Hospital Pharmacy, Multidisciplinary Municipal Hospital in Bydgoszcz, Szpitalna 19, 85-826 Bydgoszcz, Poland
| | - Krzysztof Z. Łączkowski
- Department of Chemical Technology and Pharmaceuticals, Faculty of Pharmacy, Collegium Medicum, Nicolaus Copernicus University, Jurasza 2, 85-089 Bydgoszcz, Poland;
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12
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Kovács A, Szabó E, László K, Kertes E, Zagorácz O, Mintál K, Tóth A, Gálosi R, Berta B, Lénárd L, Hormay E, László B, Zelena D, Tóth ZE. Brain RFamide Neuropeptides in Stress-Related Psychopathologies. Cells 2024; 13:1097. [PMID: 38994950 PMCID: PMC11240450 DOI: 10.3390/cells13131097] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2024] [Revised: 06/21/2024] [Accepted: 06/22/2024] [Indexed: 07/13/2024] Open
Abstract
The RFamide peptide family is a group of proteins that share a common C-terminal arginine-phenylalanine-amide motif. To date, the family comprises five groups in mammals: neuropeptide FF, LPXRFamides/RFamide-related peptides, prolactin releasing peptide, QRFP, and kisspeptins. Different RFamide peptides have their own cognate receptors and are produced by different cell populations, although they all can also bind to neuropeptide FF receptors with different affinities. RFamide peptides function in the brain as neuropeptides regulating key aspects of homeostasis such as energy balance, reproduction, and cardiovascular function. Furthermore, they are involved in the organization of the stress response including modulation of pain. Considering the interaction between stress and various parameters of homeostasis, the role of RFamide peptides may be critical in the development of stress-related neuropathologies. This review will therefore focus on the role of RFamide peptides as possible key hubs in stress and stress-related psychopathologies. The neurotransmitter coexpression profile of RFamide-producing cells is also discussed, highlighting its potential functional significance. The development of novel pharmaceutical agents for the treatment of stress-related disorders is an ongoing need. Thus, the importance of RFamide research is underlined by the emergence of peptidergic and G-protein coupled receptor-based therapeutic targets in the pharmaceutical industry.
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Affiliation(s)
- Anita Kovács
- Institute of Physiology, Medical School, Centre for Neuroscience, Szentágothai Research Centre, University of Pécs, H7624 Pécs, Hungary; (A.K.); (E.S.); (K.L.); (E.K.); (O.Z.); (K.M.); (A.T.); (R.G.); (B.B.); (L.L.); (E.H.); (B.L.)
| | - Evelin Szabó
- Institute of Physiology, Medical School, Centre for Neuroscience, Szentágothai Research Centre, University of Pécs, H7624 Pécs, Hungary; (A.K.); (E.S.); (K.L.); (E.K.); (O.Z.); (K.M.); (A.T.); (R.G.); (B.B.); (L.L.); (E.H.); (B.L.)
| | - Kristóf László
- Institute of Physiology, Medical School, Centre for Neuroscience, Szentágothai Research Centre, University of Pécs, H7624 Pécs, Hungary; (A.K.); (E.S.); (K.L.); (E.K.); (O.Z.); (K.M.); (A.T.); (R.G.); (B.B.); (L.L.); (E.H.); (B.L.)
| | - Erika Kertes
- Institute of Physiology, Medical School, Centre for Neuroscience, Szentágothai Research Centre, University of Pécs, H7624 Pécs, Hungary; (A.K.); (E.S.); (K.L.); (E.K.); (O.Z.); (K.M.); (A.T.); (R.G.); (B.B.); (L.L.); (E.H.); (B.L.)
| | - Olga Zagorácz
- Institute of Physiology, Medical School, Centre for Neuroscience, Szentágothai Research Centre, University of Pécs, H7624 Pécs, Hungary; (A.K.); (E.S.); (K.L.); (E.K.); (O.Z.); (K.M.); (A.T.); (R.G.); (B.B.); (L.L.); (E.H.); (B.L.)
| | - Kitti Mintál
- Institute of Physiology, Medical School, Centre for Neuroscience, Szentágothai Research Centre, University of Pécs, H7624 Pécs, Hungary; (A.K.); (E.S.); (K.L.); (E.K.); (O.Z.); (K.M.); (A.T.); (R.G.); (B.B.); (L.L.); (E.H.); (B.L.)
| | - Attila Tóth
- Institute of Physiology, Medical School, Centre for Neuroscience, Szentágothai Research Centre, University of Pécs, H7624 Pécs, Hungary; (A.K.); (E.S.); (K.L.); (E.K.); (O.Z.); (K.M.); (A.T.); (R.G.); (B.B.); (L.L.); (E.H.); (B.L.)
| | - Rita Gálosi
- Institute of Physiology, Medical School, Centre for Neuroscience, Szentágothai Research Centre, University of Pécs, H7624 Pécs, Hungary; (A.K.); (E.S.); (K.L.); (E.K.); (O.Z.); (K.M.); (A.T.); (R.G.); (B.B.); (L.L.); (E.H.); (B.L.)
| | - Bea Berta
- Institute of Physiology, Medical School, Centre for Neuroscience, Szentágothai Research Centre, University of Pécs, H7624 Pécs, Hungary; (A.K.); (E.S.); (K.L.); (E.K.); (O.Z.); (K.M.); (A.T.); (R.G.); (B.B.); (L.L.); (E.H.); (B.L.)
| | - László Lénárd
- Institute of Physiology, Medical School, Centre for Neuroscience, Szentágothai Research Centre, University of Pécs, H7624 Pécs, Hungary; (A.K.); (E.S.); (K.L.); (E.K.); (O.Z.); (K.M.); (A.T.); (R.G.); (B.B.); (L.L.); (E.H.); (B.L.)
| | - Edina Hormay
- Institute of Physiology, Medical School, Centre for Neuroscience, Szentágothai Research Centre, University of Pécs, H7624 Pécs, Hungary; (A.K.); (E.S.); (K.L.); (E.K.); (O.Z.); (K.M.); (A.T.); (R.G.); (B.B.); (L.L.); (E.H.); (B.L.)
| | - Bettina László
- Institute of Physiology, Medical School, Centre for Neuroscience, Szentágothai Research Centre, University of Pécs, H7624 Pécs, Hungary; (A.K.); (E.S.); (K.L.); (E.K.); (O.Z.); (K.M.); (A.T.); (R.G.); (B.B.); (L.L.); (E.H.); (B.L.)
| | - Dóra Zelena
- Institute of Physiology, Medical School, Centre for Neuroscience, Szentágothai Research Centre, University of Pécs, H7624 Pécs, Hungary; (A.K.); (E.S.); (K.L.); (E.K.); (O.Z.); (K.M.); (A.T.); (R.G.); (B.B.); (L.L.); (E.H.); (B.L.)
| | - Zsuzsanna E. Tóth
- Department of Anatomy, Histology and Embryology, Semmelweis University, H1094 Budapest, Hungary
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13
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Al‐Qahtani Z, Al‐kuraishy HM, Al‐Gareeb AI, Albuhadily AK, Ali NH, Alexiou A, Papadakis M, Saad HM, Batiha GE. The potential role of brain renin-angiotensin system in the neuropathology of Parkinson disease: Friend, foe or turncoat? J Cell Mol Med 2024; 28:e18495. [PMID: 38899551 PMCID: PMC11187740 DOI: 10.1111/jcmm.18495] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2023] [Revised: 01/15/2024] [Accepted: 06/04/2024] [Indexed: 06/21/2024] Open
Abstract
Parkinson disease (PD) is one of the most common neurodegenerative diseases of the brain. Of note, brain renin-angiotensin system (RAS) is intricate in the PD neuropathology through modulation of oxidative stress, mitochondrial dysfunction and neuroinflammation. Therefore, modulation of brain RAS by angiotensin receptor blockers (ARBs) and angiotensin-converting enzyme inhibitors (ACEIs) may be effective in reducing the risk and PD neuropathology. It has been shown that all components including the peptides and enzymes of the RAS are present in the different brain areas. Brain RAS plays a critical role in the regulation of memory and cognitive function, and in the controlling of central blood pressure. However, exaggerated brain RAS is implicated in the pathogenesis of different neurodegenerative diseases including PD. Two well-known pathways of brain RAS are recognized including; the classical pathway which is mainly mediated by AngII/AT1R has detrimental effects. Conversely, the non-classical pathway which is mostly mediated by ACE2/Ang1-7/MASR and AngII/AT2R has beneficial effects against PD neuropathology. Exaggerated brain RAS affects the viability of dopaminergic neurons. However, the fundamental mechanism of brain RAS in PD neuropathology was not fully elucidated. Consequently, the purpose of this review is to disclose the mechanistic role of RAS in in the pathogenesis of PD. In addition, we try to revise how the ACEIs and ARBs can be developed for therapeutics in PD.
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Affiliation(s)
- Zainah Al‐Qahtani
- Neurology Section, Internal Medicine Department, College of MedicineKing khaled universityAbhaSaudi Arabia
| | - Hayder M. Al‐kuraishy
- Clinical pharmacology and medicine, college of medicineMustansiriyah UniversityBaghdadIraq
| | - Ali I. Al‐Gareeb
- Clinical pharmacology and medicine, college of medicineMustansiriyah UniversityBaghdadIraq
| | - Ali K. Albuhadily
- Clinical pharmacology and medicine, college of medicineMustansiriyah UniversityBaghdadIraq
| | - Naif H. Ali
- Department of Internal Medicine, Medical CollegeNajran UniversityNajranSaudi Arabia
| | - Athanasios Alexiou
- University Centre for Research & DevelopmentChandigarh UniversityMohaliIndia
- Department of Science and EngineeringNovel Global Community Educational FoundationHebershamNew South WalesAustralia
- Department of Research & Development, FunogenAthensGreece
- Department of Research & DevelopmentAFNP MedWienAustria
| | - Marios Papadakis
- Department of Surgery IIUniversity Hospital Witten‐HerdeckeWuppertalGermany
| | - Hebatallah M. Saad
- Department of Pathology, Faculty of Veterinary MedicineMatrouh UniversityMatrouhEgypt
| | - Gaber El‐Saber Batiha
- Department of Pharmacology and Therapeutics, Faculty of Veterinary MedicineDamanhour UniversityDamanhourAlBeheiraEgypt
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14
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Valenza M, Facchinetti R, Torazza C, Ciarla C, Bronzuoli MR, Balbi M, Bonanno G, Popoli M, Steardo L, Milanese M, Musazzi L, Bonifacino T, Scuderi C. Molecular signatures of astrocytes and microglia maladaptive responses to acute stress are rescued by a single administration of ketamine in a rodent model of PTSD. Transl Psychiatry 2024; 14:209. [PMID: 38796504 PMCID: PMC11127980 DOI: 10.1038/s41398-024-02928-6] [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: 11/27/2023] [Revised: 05/09/2024] [Accepted: 05/13/2024] [Indexed: 05/28/2024] Open
Abstract
Stress affects the brain and alters its neuroarchitecture and function; these changes can be severe and lead to psychiatric disorders. Recent evidence suggests that astrocytes and microglia play an essential role in the stress response by contributing to the maintenance of cerebral homeostasis. These cells respond rapidly to all stimuli that reach the brain, including stressors. Here, we used a recently validated rodent model of post-traumatic stress disorder in which rats can be categorized as resilient or vulnerable after acute inescapable footshock stress. We then investigated the functional, molecular, and morphological determinants of stress resilience and vulnerability in the prefrontal cortex, focusing on glial and neuronal cells. In addition, we examined the effects of a single subanesthetic dose of ketamine, a fast-acting antidepressant recently approved for the treatment of resistant depression and proposed for other stress-related psychiatric disorders. The present results suggest a prompt glial cell response and activation of the NF-κB pathway after acute stress, leading to an increase in specific cytokines such as IL-18 and TNF-α. This response persists in vulnerable individuals and is accompanied by a significant change in the levels of critical glial proteins such as S100B, CD11b, and CX43, brain trophic factors such as BDNF and FGF2, and proteins related to dendritic arborization and synaptic architecture such as MAP2 and PSD95. Administration of ketamine 24 h after the acute stress event rescued many of the changes observed in vulnerable rats, possibly contributing to support brain homeostasis. Overall, our results suggest that pivotal events, including reactive astrogliosis, changes in brain trophic factors, and neuronal damage are critical determinants of vulnerability to acute traumatic stress and confirm the therapeutic effect of acute ketamine against the development of stress-related psychiatric disorders.
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Affiliation(s)
- Marta Valenza
- Department of Physiology and Pharmacology "Vittorio Erspamer", SAPIENZA University of Rome, Rome, Italy
| | - Roberta Facchinetti
- Department of Physiology and Pharmacology "Vittorio Erspamer", SAPIENZA University of Rome, Rome, Italy
| | - Carola Torazza
- Department of Pharmacy, Unit of Pharmacology and Toxicology, University of Genoa, Genoa, Italy
| | - Claudia Ciarla
- Department of Physiology and Pharmacology "Vittorio Erspamer", SAPIENZA University of Rome, Rome, Italy
| | - Maria Rosanna Bronzuoli
- Department of Physiology and Pharmacology "Vittorio Erspamer", SAPIENZA University of Rome, Rome, Italy
| | - Matilde Balbi
- Department of Pharmacy, Unit of Pharmacology and Toxicology, University of Genoa, Genoa, Italy
| | - Giambattista Bonanno
- Department of Pharmacy, Unit of Pharmacology and Toxicology, University of Genoa, Genoa, Italy
| | - Maurizio Popoli
- Dipartimento di Scienze Farmaceutiche, Università Degli Studi di Milano, Milano, Italy
| | - Luca Steardo
- Department of Physiology and Pharmacology "Vittorio Erspamer", SAPIENZA University of Rome, Rome, Italy
| | - Marco Milanese
- Department of Pharmacy, Unit of Pharmacology and Toxicology, University of Genoa, Genoa, Italy
- IRCCS Ospedale Policlinico San Martino, Genoa, Italy
| | - Laura Musazzi
- School of Medicine and Surgery, University of Milano-Bicocca, Monza, Italy
| | - Tiziana Bonifacino
- Department of Pharmacy, Unit of Pharmacology and Toxicology, University of Genoa, Genoa, Italy
| | - Caterina Scuderi
- Department of Physiology and Pharmacology "Vittorio Erspamer", SAPIENZA University of Rome, Rome, Italy.
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15
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Komori T, Okamura K, Ikehara M, Yamamuro K, Endo N, Okumura K, Yamauchi T, Ikawa D, Ouji-Sageshima N, Toritsuka M, Takada R, Kayashima Y, Ishida R, Mori Y, Kamikawa K, Noriyama Y, Nishi Y, Ito T, Saito Y, Nishi M, Kishimoto T, Tanaka KF, Hiroi N, Makinodan M. Brain-derived neurotrophic factor from microglia regulates neuronal development in the medial prefrontal cortex and its associated social behavior. Mol Psychiatry 2024; 29:1338-1349. [PMID: 38243072 PMCID: PMC11189755 DOI: 10.1038/s41380-024-02413-y] [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: 06/21/2023] [Revised: 12/22/2023] [Accepted: 01/04/2024] [Indexed: 01/21/2024]
Abstract
Microglia and brain-derived neurotrophic factor (BDNF) are essential for the neuroplasticity that characterizes critical developmental periods. The experience-dependent development of social behaviors-associated with the medial prefrontal cortex (mPFC)-has a critical period during the juvenile period in mice. However, whether microglia and BDNF affect social development remains unclear. Herein, we aimed to elucidate the effects of microglia-derived BDNF on social behaviors and mPFC development. Mice that underwent social isolation during p21-p35 had increased Bdnf in the microglia accompanied by reduced adulthood sociability. Additionally, transgenic mice overexpressing microglial Bdnf-regulated using doxycycline at different time points-underwent behavioral, electrophysiological, and gene expression analyses. In these mice, long-term overexpression of microglial BDNF impaired sociability and excessive mPFC inhibitory neuronal circuit activity. However, administering doxycycline to normalize BDNF from p21 normalized sociability and electrophysiological function in the mPFC, whereas normalizing BDNF from later ages (p45-p50) did not normalize electrophysiological abnormalities in the mPFC, despite the improved sociability. To evaluate the possible role of BDNF in human sociability, we analyzed the relationship between adverse childhood experiences and BDNF expression in human macrophages, a possible proxy for microglia. Results show that adverse childhood experiences positively correlated with BDNF expression in M2 but not M1 macrophages. In summary, our study demonstrated the influence of microglial BDNF on the development of experience-dependent social behaviors in mice, emphasizing its specific impact on the maturation of mPFC function, particularly during the juvenile period. Furthermore, our results propose a translational implication by suggesting a potential link between BDNF secretion from macrophages and childhood experiences in humans.
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Affiliation(s)
- Takashi Komori
- Department of Psychiatry, Nara Medical University, Kashihara, Nara, 634-8521, Japan
| | - Kazuya Okamura
- Department of Psychiatry, Nara Medical University, Kashihara, Nara, 634-8521, Japan
| | - Minobu Ikehara
- Department of Psychiatry, Nara Medical University, Kashihara, Nara, 634-8521, Japan
| | - Kazuhiko Yamamuro
- Department of Psychiatry, Nara Medical University, Kashihara, Nara, 634-8521, Japan
| | - Nozomi Endo
- Department of Anatomy and Cell Biology, Nara Medical University, Kashihara, Nara, 634-8521, Japan
| | - Kazuki Okumura
- Department of Psychiatry, Nara Medical University, Kashihara, Nara, 634-8521, Japan
| | - Takahira Yamauchi
- Department of Psychiatry, Nara Medical University, Kashihara, Nara, 634-8521, Japan
| | - Daisuke Ikawa
- Department of Psychiatry, Nara Medical University, Kashihara, Nara, 634-8521, Japan
| | | | - Michihiro Toritsuka
- Department of Psychiatry, Nara Medical University, Kashihara, Nara, 634-8521, Japan
| | - Ryohei Takada
- Department of Psychiatry, Nara Medical University, Kashihara, Nara, 634-8521, Japan
| | - Yoshinori Kayashima
- Department of Psychiatry, Nara Medical University, Kashihara, Nara, 634-8521, Japan
| | - Rio Ishida
- Department of Psychiatry, Nara Medical University, Kashihara, Nara, 634-8521, Japan
| | - Yuki Mori
- Department of Psychiatry, Nara Medical University, Kashihara, Nara, 634-8521, Japan
| | - Kohei Kamikawa
- Department of Psychiatry, Nara Medical University, Kashihara, Nara, 634-8521, Japan
| | - Yuki Noriyama
- Department of Psychiatry, Nara Medical University, Kashihara, Nara, 634-8521, Japan
| | - Yuki Nishi
- Department of Psychiatry, Nara Medical University, Kashihara, Nara, 634-8521, Japan
| | - Toshihiro Ito
- Department of Immunology, Nara Medical University, Kashihara, Nara, 634-8521, Japan
| | - Yasuhiko Saito
- Department of Neurophysiology, Nara Medical University, Kashihara, Nara, 634-8521, Japan
| | - Mayumi Nishi
- Department of Anatomy and Cell Biology, Nara Medical University, Kashihara, Nara, 634-8521, Japan
| | - Toshifumi Kishimoto
- Department of Psychiatry, Nara Medical University, Kashihara, Nara, 634-8521, Japan
| | - Kenji F Tanaka
- Division of Brain Sciences, Institute for Advanced Medical Research, Keio University School of Medicine, Tokyo, 160-8582, Japan
| | - Noboru Hiroi
- Department of Pharmacology, UT Health San Antonio, San Antonio, TX, 78229, USA
- Department of Cellular and Integrative Physiology, UT Health San Antonio, San Antonio, TX, 78229, USA
- Department of Cell Systems and Anatomy, UT Health San Antonio, San Antonio, TX, 78229, USA
| | - Manabu Makinodan
- Department of Psychiatry, Nara Medical University, Kashihara, Nara, 634-8521, Japan.
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16
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Chermon D, Birk R. Brain-derived neurotrophic factor gene rs925946 associates with Israeli females' obesity predisposition: An interaction between genetics, eating habits, and physical inactivity. Nutr Res 2024; 125:61-68. [PMID: 38503023 DOI: 10.1016/j.nutres.2024.02.005] [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: 07/02/2023] [Revised: 02/19/2024] [Accepted: 02/19/2024] [Indexed: 03/21/2024]
Abstract
The global obesity pandemic presents a pressing health challenge, with an increasing prevalence shaped by an intricate interplay of genetics and environment. Brain-derived neurotrophic factor (BDNF) plays a pivotal role in regulating feeding behavior and energy expenditure. BDNF single nucleotide polymorphisms have been linked to obesity risk. We hypothesized that BDNF rs925946 is positively associated with obesity susceptibility in the Israeli population. We aimed to study BDNF rs925946 association with obesity susceptibility and its interaction with environmental factors, including eating habits, sugar-sweetened beverages, and physical activity. A data cohort of 4668 Israeli adults (≥18 years, Jewish) was analyzed. Participants' genotypic data for the BDNF rs925946 and lifestyle and eating behavior questionnaire data were analyzed for the association between obesity predisposition and gene-environment interactions. Female (n = 3259) BDNF rs925946 T-allele carriers had an elevated obesity odd (odds ratio [OR] = 1.2; 95% confidence interval [CI], 1.03-1.4, P = .02). BDNF rs925946 genotype interacted significantly with physical inactivity, sugar-sweetened beverage consumption, and eating habits score to enhance obesity odds (OR = 1.4; 95% CI, 1.14-1.7; OR = 1.54, 95% CI, 1.1-2.15; and OR = 1.4; 95% CI, 1.2-2.11, respectively). Our data demonstrated a significant association between BDNF rs925946 T-allele female carriers and a higher obesity predisposition, affected by modifiable lifestyle factors.
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Affiliation(s)
- Danyel Chermon
- Nutrition Department, Health Sciences Faculty, Ariel University, 407000, Israel
| | - Ruth Birk
- Nutrition Department, Health Sciences Faculty, Ariel University, 407000, Israel.
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17
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Xavier FAC, Barbieri SS, Popoli M, Ieraci A. Short- and Long-Term Effects of Subchronic Stress Exposure in Male and Female Brain-Derived Neurotrophic Factor Knock-In Val66Met Mice. BIOLOGY 2024; 13:303. [PMID: 38785785 PMCID: PMC11118886 DOI: 10.3390/biology13050303] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/02/2024] [Revised: 04/19/2024] [Accepted: 04/24/2024] [Indexed: 05/25/2024]
Abstract
Stress is an important risk factor for the onset of anxiety and depression. The ability to cope with stressful events varies among different subjects, probably depending on different genetic variants, sex and previous life experiences. The Val66Met variant of Brain-Derived Neurotrophic Factor (BDNF), which impairs the activity-dependent secretion of BDNF, has been associated with increased susceptibility to the development of various neuropsychiatric disorders. Adult male and female wild-type Val/Val (BDNFV/V) and heterozygous Val/Met (BDNFV/M) mice were exposed to two sessions of forced swimming stress (FSS) per day for two consecutive days. The mice were behaviorally tested 1 day (short-term effect) or 11 days (long-term effect) after the last stress session. Protein and mRNA levels were measured in the hippocampus 16 days after the end of stress exposure. Stressed mice showed a higher anxiety-like phenotype compared to non-stressed mice, regardless of the sex and genotype, when analyzed following the short period of stress. In the prolonged period, anxiety-like behavior persisted only in male BDNFV/M mice (p < 0.0001). Interestingly, recovery in male BDNFV/V mice was accompanied by an increase in pCREB (p < 0.001) and Bdnf4 (p < 0.01) transcript and a decrease in HDAC1 (p < 0.05) and Dnmt3a (p = 0.01) in the hippocampus. Overall, our results show that male and female BDNF Val66Met knock-in mice can recover from subchronic stress in different ways.
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Affiliation(s)
- Fernando Antonio Costa Xavier
- Laboratory of Molecular and Cellular Biology, Pontifical Catholic University of Rio Grande do Sul, Porto Alegre 90619-900, Brazil;
- Department of Pharmaceutical Sciences, Università degli Studi di Milano, 20133 Milano, Italy;
| | - Silvia Stella Barbieri
- Unit of Brain-Heart Axis: Cellular and Molecular Mechanisms, Centro Cardiologico Monzino IRCCS, 20138 Milan, Italy;
| | - Maurizio Popoli
- Department of Pharmaceutical Sciences, Università degli Studi di Milano, 20133 Milano, Italy;
| | - Alessandro Ieraci
- Department of Theoretical and Applied Sciences, eCampus University, 22060 Novedrate, Italy
- Department of Neuroscience, Istituto di Ricerche Farmacologiche Mario Negri IRCCS, 20156 Milan, Italy
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18
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Armstrong M, Castellanos J, Christie D. Chronic pain as an emergent property of a complex system and the potential roles of psychedelic therapies. FRONTIERS IN PAIN RESEARCH 2024; 5:1346053. [PMID: 38706873 PMCID: PMC11066302 DOI: 10.3389/fpain.2024.1346053] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2023] [Accepted: 04/02/2024] [Indexed: 05/07/2024] Open
Abstract
Despite research advances and urgent calls by national and global health organizations, clinical outcomes for millions of people suffering with chronic pain remain poor. We suggest bringing the lens of complexity science to this problem, conceptualizing chronic pain as an emergent property of a complex biopsychosocial system. We frame pain-related physiology, neuroscience, developmental psychology, learning, and epigenetics as components and mini-systems that interact together and with changing socioenvironmental conditions, as an overarching complex system that gives rise to the emergent phenomenon of chronic pain. We postulate that the behavior of complex systems may help to explain persistence of chronic pain despite current treatments. From this perspective, chronic pain may benefit from therapies that can be both disruptive and adaptive at higher orders within the complex system. We explore psychedelic-assisted therapies and how these may overlap with and complement mindfulness-based approaches to this end. Both mindfulness and psychedelic therapies have been shown to have transdiagnostic value, due in part to disruptive effects on rigid cognitive, emotional, and behavioral patterns as well their ability to promote neuroplasticity. Psychedelic therapies may hold unique promise for the management of chronic pain.
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Affiliation(s)
- Maya Armstrong
- Department of Family & Community Medicine, University of New Mexico, Albuquerque, NM, United States
| | - Joel Castellanos
- Division of Pain Medicine, Department of Anesthesiology, University of California, San Diego, CA, United States
| | - Devon Christie
- Department of Medicine, University of British Columbia, Vancouver, BC, Canada
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19
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Tsimpolis A, Kalafatakis K, Charalampopoulos I. Recent advances in the crosstalk between the brain-derived neurotrophic factor and glucocorticoids. Front Endocrinol (Lausanne) 2024; 15:1362573. [PMID: 38645426 PMCID: PMC11027069 DOI: 10.3389/fendo.2024.1362573] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/28/2023] [Accepted: 03/25/2024] [Indexed: 04/23/2024] Open
Abstract
Brain-derived neurotrophic factor (BDNF), a key neurotrophin within the brain, by selectively activating the TrkB receptor, exerts multimodal effects on neurodevelopment, synaptic plasticity, cellular integrity and neural network dynamics. In parallel, glucocorticoids (GCs), vital steroid hormones, which are secreted by adrenal glands and rapidly diffused across the mammalian body (including the brain), activate two different groups of intracellular receptors, the mineralocorticoid and the glucocorticoid receptors, modulating a wide range of genomic, epigenomic and postgenomic events, also expressed in the neural tissue and implicated in neurodevelopment, synaptic plasticity, cellular homeostasis, cognitive and emotional processing. Recent research evidences indicate that these two major regulatory systems interact at various levels: they share common intracellular downstream pathways, GCs differentially regulate BDNF expression, under certain conditions BDNF antagonises the GC-induced effects on long-term potentiation, neuritic outgrowth and cellular death, while GCs regulate the intraneuronal transportation and the lysosomal degradation of BDNF. Currently, the BDNF-GC crosstalk features have been mainly studied in neurons, although initial findings show that this crosstalk could be equally important for other brain cell types, such as astrocytes. Elucidating the precise neurobiological significance of BDNF-GC interactions in a tempospatial manner, is crucial for understanding the subtleties of brain function and dysfunction, with implications for neurodegenerative and neuroinflammatory diseases, mood disorders and cognitive enhancement strategies.
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Affiliation(s)
- Alexandros Tsimpolis
- Department of Pharmacology, Medical School, University of Crete, Heraklion, Greece
- Institute of Molecular Biology and Biotechnology, Foundation for Research and Technology Hellas (IMBB-FORTH), Heraklion, Greece
| | - Konstantinos Kalafatakis
- Department of Pharmacology, Medical School, University of Crete, Heraklion, Greece
- Faculty of Medicine and Dentistry (Malta Campus), Queen Mary University of London, Victoria, Malta
| | - Ioannis Charalampopoulos
- Department of Pharmacology, Medical School, University of Crete, Heraklion, Greece
- Institute of Molecular Biology and Biotechnology, Foundation for Research and Technology Hellas (IMBB-FORTH), Heraklion, Greece
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20
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Bai Y, Shu C, Hou Y, Wang GH. Adverse childhood experience and depression: the role of gut microbiota. Front Psychiatry 2024; 15:1309022. [PMID: 38628262 PMCID: PMC11019508 DOI: 10.3389/fpsyt.2024.1309022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/07/2023] [Accepted: 03/18/2024] [Indexed: 04/19/2024] Open
Abstract
Depression is the most common psychiatric disorder that burdens modern society heavily. Numerous studies have shown that adverse childhood experiences can increase susceptibility to depression, and depression with adverse childhood experiences has specific clinical-biological features. However, the specific neurobiological mechanisms are not yet precise. Recent studies suggest that the gut microbiota can influence brain function and behavior associated with depression through the "microbe-gut-brain axis" and that the composition and function of the gut microbiota are influenced by early stress. These studies offer a possibility that gut microbiota mediates the relationship between adverse childhood experiences and depression. However, few studies directly link adverse childhood experiences, gut microbiota, and depression. This article reviews recent studies on the relationship among adverse childhood experiences, gut microbiota, and depression, intending to provide insights for new research.
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Affiliation(s)
- Yu Bai
- Department of Psychiatry, Renmin Hospital of Wuhan University, Institute of Neuropsychiatry, Renmin Hospital of Wuhan University, Wuhan, Hubei, China
| | - Chang Shu
- Department of Psychiatry, Renmin Hospital of Wuhan University, Institute of Neuropsychiatry, Renmin Hospital of Wuhan University, Wuhan, Hubei, China
| | - Ying Hou
- Peking University China-Japan Friendship School of Clinical Medicine, Department of Neurology, Beijing, China
| | - Gao-Hua Wang
- Department of Psychiatry, Renmin Hospital of Wuhan University, Institute of Neuropsychiatry, Renmin Hospital of Wuhan University, Wuhan, Hubei, China
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21
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Ali NH, Al‐Kuraishy HM, Al‐Gareeb AI, Albuhadily AK, Hamad RS, Alexiou A, Papadakis M, Saad HM, Batiha GE. Role of brain renin-angiotensin system in depression: A new perspective. CNS Neurosci Ther 2024; 30:e14525. [PMID: 37953501 PMCID: PMC11017442 DOI: 10.1111/cns.14525] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2023] [Revised: 09/26/2023] [Accepted: 10/30/2023] [Indexed: 11/14/2023] Open
Abstract
Depression is a mood disorder characterized by abnormal thoughts. The pathophysiology of depression is related to the deficiency of serotonin (5HT), which is derived from tryptophan (Trp). Mitochondrial dysfunction, oxidative stress, and neuroinflammation are involved in the pathogenesis of depression. Notably, the renin-angiotensin system (RAS) is involved in the pathogenesis of depression, and different findings revealed that angiotensin-converting enzyme inhibitors (ACEIs) and angiotensin receptor blockers (ARBs) may be effective in depression. However, the underlying mechanism for the role of dysregulated brain RAS-induced depression remains speculative. Therefore, this review aimed to revise the conceivable role of ACEIs and ARBs and how these agents ameliorate the pathophysiology of depression. Dysregulation of brain RAS triggers the development and progression of depression through the reduction of brain 5HT and expression of brain-derived neurotrophic factor (BDNF) and the induction of mitochondrial dysfunction, oxidative stress, and neuroinflammation. Therefore, inhibition of central classical RAS by ARBS and ACEIs and activation of non-classical RAS prevent the development of depression by regulating 5HT, BDNF, mitochondrial dysfunction, oxidative stress, and neuroinflammation.
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Affiliation(s)
- Naif H. Ali
- Department of Internal MedicineMedical CollegeNajran UniversityNajranKSA
| | - Hayder M. Al‐Kuraishy
- Department of Clinical Pharmacology and Medicine, College of MedicineMustansiriyah UniversityBaghdadIraq
| | - Ali I. Al‐Gareeb
- Department of Clinical Pharmacology and Medicine, College of MedicineMustansiriyah UniversityBaghdadIraq
| | - Ali K. Albuhadily
- Department of Clinical Pharmacology and Medicine, College of MedicineMustansiriyah UniversityBaghdadIraq
| | - Rabab S. Hamad
- Biological Sciences DepartmentCollege of Science, King Faisal UniversityAl AhsaSaudi Arabia
- Central LaboratoryTheodor Bilharz Research InstituteGizaEgypt
| | - Athanasios Alexiou
- University Centre for Research & Development, Chandigarh UniversityMohaliPunjabIndia
- Department of Science and EngineeringNovel Global Community Educational FoundationHebershamNew South WalesAustralia
- AFNP MedWienAustria
| | - Marios Papadakis
- Department of Surgery IIUniversity Hospital Witten‐Herdecke, University of Witten‐HerdeckeWuppertalGermany
| | - Hebatallah M. Saad
- Department of Pathology, Faculty of Veterinary MedicineMatrouh UniversityMatrouhEgypt
| | - Gaber El‐Saber Batiha
- Department of Pharmacology and Therapeutics, Faculty of Veterinary MedicineDamanhour UniversityDamanhourAlBeheiraEgypt
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22
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Dell’Oste V, Palego L, Betti L, Fantasia S, Gravina D, Bordacchini A, Pedrinelli V, Giannaccini G, Carmassi C. Plasma and Platelet Brain-Derived Neurotrophic Factor (BDNF) Levels in Bipolar Disorder Patients with Post-Traumatic Stress Disorder (PTSD) or in a Major Depressive Episode Compared to Healthy Controls. Int J Mol Sci 2024; 25:3529. [PMID: 38542503 PMCID: PMC10970837 DOI: 10.3390/ijms25063529] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2024] [Revised: 03/15/2024] [Accepted: 03/18/2024] [Indexed: 04/04/2024] Open
Abstract
Post-traumatic stress disorder (PTSD) is a highly disabling mental disorder arising after traumatism exposure, often revealing critical and complex courses when comorbidity with bipolar disorder (BD) occurs. To search for PTSD or depression biomarkers that would help clinicians define BD presentations, this study aimed at preliminarily evaluating circulating brain-derived-neurotrophic factor (BDNF) levels in BD subjects with PTSD or experiencing a major depressive episode versus controls. Two bloodstream BDNF components were specifically investigated, the storage (intraplatelet) and the released (plasma) ones, both as adaptogenic/repair signals during neuroendocrine stress response dynamics. Bipolar patients with PTSD (n = 20) or in a major depressive episode (n = 20) were rigorously recruited together with unrelated healthy controls (n = 24) and subsequently examined by psychiatric questionnaires and blood samplings. Platelet-poor plasma (PPP) and intraplatelet (PLT) BDNF were measured by ELISA assays. The results showed markedly higher intraplatelet vs. plasma BDNF, confirming platelets' role in neurotrophin transport/storage. No between-group PPP-BDNF difference was reported, whereas PLT-BDNF was significantly reduced in depressed BD patients. PLT-BDNF negatively correlated with mood scores but not with PTSD items like PPP-BDNF, which instead displayed opposite correlation trends with depression and manic severity. Present findings highlight PLT-BDNF as more reliable at detecting depression than PTSD in BD, encouraging further study into BDNF variability contextually with immune-inflammatory parameters in wider cohorts of differentially symptomatic bipolar patients.
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Affiliation(s)
- Valerio Dell’Oste
- Department of Clinical and Experimental Medicine, University of Pisa, 56126 Pisa, Italy; (L.P.); (S.F.); (D.G.); (A.B.); (V.P.); (C.C.)
- Department of Biotechnology, Chemistry and Pharmacy, University of Siena, 53100 Siena, Italy
- UFCSMA Zona Valdinievole, Azienda USL Toscana Centro, 51016 Montecatini Terme, Italy
| | - Lionella Palego
- Department of Clinical and Experimental Medicine, University of Pisa, 56126 Pisa, Italy; (L.P.); (S.F.); (D.G.); (A.B.); (V.P.); (C.C.)
- Department of Pharmacy, Section of Biochemistry, University of Pisa, 56126 Pisa, Italy; (L.B.); (G.G.)
| | - Laura Betti
- Department of Pharmacy, Section of Biochemistry, University of Pisa, 56126 Pisa, Italy; (L.B.); (G.G.)
| | - Sara Fantasia
- Department of Clinical and Experimental Medicine, University of Pisa, 56126 Pisa, Italy; (L.P.); (S.F.); (D.G.); (A.B.); (V.P.); (C.C.)
| | - Davide Gravina
- Department of Clinical and Experimental Medicine, University of Pisa, 56126 Pisa, Italy; (L.P.); (S.F.); (D.G.); (A.B.); (V.P.); (C.C.)
| | - Andrea Bordacchini
- Department of Clinical and Experimental Medicine, University of Pisa, 56126 Pisa, Italy; (L.P.); (S.F.); (D.G.); (A.B.); (V.P.); (C.C.)
| | - Virginia Pedrinelli
- Department of Clinical and Experimental Medicine, University of Pisa, 56126 Pisa, Italy; (L.P.); (S.F.); (D.G.); (A.B.); (V.P.); (C.C.)
- Department of Biotechnology, Chemistry and Pharmacy, University of Siena, 53100 Siena, Italy
- UFSMA Zona Apuana, Azienda USL Toscana Nord Ovest, 54100 Massa, Italy
| | - Gino Giannaccini
- Department of Pharmacy, Section of Biochemistry, University of Pisa, 56126 Pisa, Italy; (L.B.); (G.G.)
| | - Claudia Carmassi
- Department of Clinical and Experimental Medicine, University of Pisa, 56126 Pisa, Italy; (L.P.); (S.F.); (D.G.); (A.B.); (V.P.); (C.C.)
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23
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McEwan AR, Hing B, Erickson JC, Hutchings G, Urama C, Norton-Hughes E, D'Ippolito M, Berry S, Delibegovic M, Grassmann F, MacKenzie A. An ancient polymorphic regulatory region within the BDNF gene associated with obesity modulates anxiety-like behaviour in mice and humans. Mol Psychiatry 2024; 29:660-670. [PMID: 38228888 PMCID: PMC11153140 DOI: 10.1038/s41380-023-02359-7] [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: 06/20/2023] [Revised: 11/10/2023] [Accepted: 12/01/2023] [Indexed: 01/18/2024]
Abstract
Obesity and anxiety are morbidities notable for their increased impact on society during the recent COVID-19 pandemic. Understanding the mechanisms governing susceptibility to these conditions will increase our quality of life and resilience to future pandemics. In the current study, we explored the function of a highly conserved regulatory region (BE5.1) within the BDNF gene that harbours a polymorphism strongly associated with obesity (rs10767664; p = 4.69 × 10-26). Analysis in primary cells suggested that the major T-allele of BE5.1 was an enhancer, whereas the obesity-associated A-allele was not. However, CRISPR/CAS9 deletion of BE5.1 from the mouse genome (BE5.1KO) produced no significant effect on the expression of BDNF transcripts in the hypothalamus, no change in weight gain after 28 days and only a marginally significant increase in food intake. Nevertheless, transcripts were significantly increased in the amygdala of female mice and elevated zero maze and marble-burying tests demonstrated a significant increase in anxiety-like behaviour that could be reversed by diazepam. Consistent with these observations, human GWAS cohort analysis demonstrated a significant association between rs10767664 and anxiousness in human populations. Intriguingly, interrogation of the human GTEx eQTL database demonstrated no effect on BDNF mRNA levels associated with rs10767664 but a highly significant effect on BDNF-antisense (BDNF-AS) gene expression and splicing. The subsequent observation that deletion of BE5.1 also significantly reduced BDNF-AS expression in mice suggests a novel mechanism in the regulation of BDNF expression common to mice and humans, which contributes to the modulation of mood and anxiety in both species.
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Affiliation(s)
- Andrew R McEwan
- School of Medicine, Medical Sciences and Nutrition, Institute of Medical Sciences, University of Aberdeen, Foresterhill, Aberdeen, AB24 2ZD, UK
| | - Benjamin Hing
- Department of Psychiatry, Carver College of Medicine, University of Iowa, Iowa City, IA, USA
| | - Johanna C Erickson
- School of Medicine, Medical Sciences and Nutrition, Institute of Medical Sciences, University of Aberdeen, Foresterhill, Aberdeen, AB24 2ZD, UK
| | - Greg Hutchings
- School of Medicine, Medical Sciences and Nutrition, Institute of Medical Sciences, University of Aberdeen, Foresterhill, Aberdeen, AB24 2ZD, UK
| | - Charity Urama
- School of Medicine, Medical Sciences and Nutrition, Institute of Medical Sciences, University of Aberdeen, Foresterhill, Aberdeen, AB24 2ZD, UK
| | - Emily Norton-Hughes
- School of Medicine, Medical Sciences and Nutrition, Institute of Medical Sciences, University of Aberdeen, Foresterhill, Aberdeen, AB24 2ZD, UK
| | - Mariam D'Ippolito
- School of Medicine, Medical Sciences and Nutrition, Institute of Medical Sciences, University of Aberdeen, Foresterhill, Aberdeen, AB24 2ZD, UK
| | - Susan Berry
- School of Medicine, Medical Sciences and Nutrition, Institute of Medical Sciences, University of Aberdeen, Foresterhill, Aberdeen, AB24 2ZD, UK
| | - Mirela Delibegovic
- School of Medicine, Medical Sciences and Nutrition, Institute of Medical Sciences, University of Aberdeen, Foresterhill, Aberdeen, AB24 2ZD, UK
| | - Felix Grassmann
- Institute for Clinical Research and Systems Medicine, Health and Medical University, Potsdam, Germany
| | - Alasdair MacKenzie
- School of Medicine, Medical Sciences and Nutrition, Institute of Medical Sciences, University of Aberdeen, Foresterhill, Aberdeen, AB24 2ZD, UK.
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24
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Xie P, Chen L, Wang J, Wang X, Yang S, Zhu G. Polysaccharides from Polygonatum cyrtonema Hua prevent post-traumatic stress disorder behaviors in mice: Mechanisms from the perspective of synaptic injury, oxidative stress, and neuroinflammation. JOURNAL OF ETHNOPHARMACOLOGY 2024; 319:117165. [PMID: 37696440 DOI: 10.1016/j.jep.2023.117165] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/19/2023] [Revised: 08/21/2023] [Accepted: 09/08/2023] [Indexed: 09/13/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE According to traditional Chinese medicine (TCM) theory, post-traumatic stress disorder (PTSD) is a kind of depression syndrome, and its occurrence is related to deficiencies of the heart and kidney. Polygonatum cyrtonema Hua replenishes Qi and blood and tonifies the five zang organs, so it is widely used in TCM as a prescription for the treatment of depression syndrome. The polysaccharides in P. cyrtonema Hua (PSP) are the main active components of the herb, but the effects of PSP on PTSD and the mechanisms remain unclear. AIM OF THE STUDY To investigate the preventive effect of PSP on PTSD-like behaviors and to determine the mechanisms. METHODS We used behavioral tests to evaluate PTSD-like behaviors in mice. Synaptic changes were assessed by transmission electron microscopy. Hematoxylin-eosin staining was used to assess pathological changes to the hippocampus, and immunofluorescence staining was used to observe changes in astrocytes. Serum corticosterone (CORT), cytokine, and hippocampal oxidation-related indicator levels were evaluated by ELISA. We detected the expression levels of synaptic, oxidative, and inflammation-related proteins in the hippocampus by western blotting. RESULTS Single prolonged stress (SPS)-modeled mice exhibited significant PTSD-like phenotypes, including increased fear memory acquisition and anxiety-like behaviors. These behavioral changes were prevented by PSP administration. Compared to controls, SPS modeling increased serum CORT, cytokine, and hippocampal malondialdehyde levels; decreased superoxide dismutase activity; and caused losses in pyramidal neurons, astrocytes, and synapses in the CA1 region. At the molecular level, the expression of brain-derived neurotrophic factor, postsynaptic density protein 95, nuclear factor erythroid 2-related factor 2 (Nrf2), phospho-tyrosine kinase receptor B, activity-regulated cytoskeleton-associated protein, heme oxygenase-1 (HO-1), and GluA1 decreased in SPS mice compared with the control group, while the expression of NOD-like receptor protein 3 (NLRP3), GluN2B, and apoptosis-associated speck-like protein increased in SPS mice. Treatment with PSP counteracted these abnormal changes. Importantly, ML385, an Nrf2 inhibitor, blocked PSP's ability to ameliorate PTSD behaviors and abnormal protein expression. The NLRP3 inhibitor MCC950 reduced the PTSD-like behaviors and normalized protein expression in SPS mice. CONCLUSION PSP prevents SPS-induced PTSD-like behaviors and synaptic damage by regulating oxidative stress and NLRP3-mediated inflammation, probably in an Nrf2/HO-1 signaling pathway-dependent manner.
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Affiliation(s)
- Pan Xie
- Key Laboratory of Xin'an Medicine, The Ministry of Education and Key Laboratory of Molecular Biology (Brain Diseases), Anhui University of Chinese Medicine, Hefei, Anhui, 230012, China.
| | - Lixia Chen
- Key Laboratory of Xin'an Medicine, The Ministry of Education and Key Laboratory of Molecular Biology (Brain Diseases), Anhui University of Chinese Medicine, Hefei, Anhui, 230012, China.
| | - Juan Wang
- Key Laboratory of Xin'an Medicine, The Ministry of Education and Key Laboratory of Molecular Biology (Brain Diseases), Anhui University of Chinese Medicine, Hefei, Anhui, 230012, China.
| | - Xuncui Wang
- Key Laboratory of Xin'an Medicine, The Ministry of Education and Key Laboratory of Molecular Biology (Brain Diseases), Anhui University of Chinese Medicine, Hefei, Anhui, 230012, China.
| | - Shaojie Yang
- Key Laboratory of Xin'an Medicine, The Ministry of Education and Key Laboratory of Molecular Biology (Brain Diseases), Anhui University of Chinese Medicine, Hefei, Anhui, 230012, China; The Second Affiliation Hospital of Anhui University of Chinese Medicine, Hefei, Anhui, 230061, China.
| | - Guoqi Zhu
- Key Laboratory of Xin'an Medicine, The Ministry of Education and Key Laboratory of Molecular Biology (Brain Diseases), Anhui University of Chinese Medicine, Hefei, Anhui, 230012, China.
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25
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Sarmanlu M, Kuypers KPC, Vizeli P, Kvamme TL. MDMA-assisted psychotherapy for PTSD: Growing evidence for memory effects mediating treatment efficacy. Prog Neuropsychopharmacol Biol Psychiatry 2024; 128:110843. [PMID: 37611653 DOI: 10.1016/j.pnpbp.2023.110843] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/05/2023] [Revised: 08/08/2023] [Accepted: 08/19/2023] [Indexed: 08/25/2023]
Abstract
The application of MDMA in conjunction with psychotherapy has in recent years seen a resurgence of clinical, scientific, and public interest in the treatment of posttraumatic stress disorder (PTSD). Clinical trials have shown promising safety and efficacy, but the mechanisms underlying this treatment form remain largely unestablished. This article explores recent preclinical and clinical evidence suggesting that the treatment's efficacy may be influenced by the mnemonic effects of MDMA. We review data on the effects of MDMA on fear extinction and fear reconsolidation and the utility of these processes for PTSD treatment. We corroborate our findings by incorporating research from cognitive psychology and psychopharmacology and offer recommendations for future research.
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Affiliation(s)
- Mesud Sarmanlu
- Child and Adolescent Mental Health Center, Mental Health Services, Capital Region of Denmark, Copenhagen, Denmark; Department of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Kim P C Kuypers
- Department of Neuropsychology and Psychopharmacology, Faculty of Psychology and Neuroscience, Maastricht University, Maastricht, The Netherlands
| | - Patrick Vizeli
- Department of Psychiatry, University of California San Diego, San Diego, United States
| | - Timo L Kvamme
- Centre for Alcohol and Drug Research, Aarhus University, Aarhus, Denmark.
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26
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Xiong HY, Hendrix J, Schabrun S, Wyns A, Campenhout JV, Nijs J, Polli A. The Role of the Brain-Derived Neurotrophic Factor in Chronic Pain: Links to Central Sensitization and Neuroinflammation. Biomolecules 2024; 14:71. [PMID: 38254671 PMCID: PMC10813479 DOI: 10.3390/biom14010071] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2023] [Revised: 01/02/2024] [Accepted: 01/03/2024] [Indexed: 01/24/2024] Open
Abstract
Chronic pain is sustained, in part, through the intricate process of central sensitization (CS), marked by maladaptive neuroplasticity and neuronal hyperexcitability within central pain pathways. Accumulating evidence suggests that CS is also driven by neuroinflammation in the peripheral and central nervous system. In any chronic disease, the search for perpetuating factors is crucial in identifying therapeutic targets and developing primary preventive strategies. The brain-derived neurotrophic factor (BDNF) emerges as a critical regulator of synaptic plasticity, serving as both a neurotransmitter and neuromodulator. Mounting evidence supports BDNF's pro-nociceptive role, spanning from its pain-sensitizing capacity across multiple levels of nociceptive pathways to its intricate involvement in CS and neuroinflammation. Moreover, consistently elevated BDNF levels are observed in various chronic pain disorders. To comprehensively understand the profound impact of BDNF in chronic pain, we delve into its key characteristics, focusing on its role in underlying molecular mechanisms contributing to chronic pain. Additionally, we also explore the potential utility of BDNF as an objective biomarker for chronic pain. This discussion encompasses emerging therapeutic approaches aimed at modulating BDNF expression, offering insights into addressing the intricate complexities of chronic pain.
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Affiliation(s)
- Huan-Yu Xiong
- Pain in Motion Research Group (PAIN), Department of Physiotherapy, Human Physiology and Anatomy, Faculty of Physical Education & Physiotherapy, Vrije Universiteit Brussel, 1090 Brussels, Belgium; (H.-Y.X.); (J.H.); (A.W.); (J.V.C.); (A.P.)
| | - Jolien Hendrix
- Pain in Motion Research Group (PAIN), Department of Physiotherapy, Human Physiology and Anatomy, Faculty of Physical Education & Physiotherapy, Vrije Universiteit Brussel, 1090 Brussels, Belgium; (H.-Y.X.); (J.H.); (A.W.); (J.V.C.); (A.P.)
- Department of Public Health and Primary Care, Centre for Environment & Health, KU Leuven, 3000 Leuven, Belgium
- Research Foundation—Flanders (FWO), 1000 Brussels, Belgium
| | - Siobhan Schabrun
- The School of Physical Therapy, University of Western Ontario, London, ON N6A 3K7, Canada;
- The Gray Centre for Mobility and Activity, Parkwood Institute, London, ON N6A 4V2, Canada
| | - Arne Wyns
- Pain in Motion Research Group (PAIN), Department of Physiotherapy, Human Physiology and Anatomy, Faculty of Physical Education & Physiotherapy, Vrije Universiteit Brussel, 1090 Brussels, Belgium; (H.-Y.X.); (J.H.); (A.W.); (J.V.C.); (A.P.)
| | - Jente Van Campenhout
- Pain in Motion Research Group (PAIN), Department of Physiotherapy, Human Physiology and Anatomy, Faculty of Physical Education & Physiotherapy, Vrije Universiteit Brussel, 1090 Brussels, Belgium; (H.-Y.X.); (J.H.); (A.W.); (J.V.C.); (A.P.)
| | - Jo Nijs
- Pain in Motion Research Group (PAIN), Department of Physiotherapy, Human Physiology and Anatomy, Faculty of Physical Education & Physiotherapy, Vrije Universiteit Brussel, 1090 Brussels, Belgium; (H.-Y.X.); (J.H.); (A.W.); (J.V.C.); (A.P.)
- Chronic Pain Rehabilitation, Department of Physical Medicine and Physiotherapy, University Hospital Brussels, 1090 Brussels, Belgium
- Department of Health and Rehabilitation, Unit of Physiotherapy, Institute of Neuroscience and Physiology, Sahlgrenska Academy, University of Gothenburg, 41390 Göterbog, Sweden
| | - Andrea Polli
- Pain in Motion Research Group (PAIN), Department of Physiotherapy, Human Physiology and Anatomy, Faculty of Physical Education & Physiotherapy, Vrije Universiteit Brussel, 1090 Brussels, Belgium; (H.-Y.X.); (J.H.); (A.W.); (J.V.C.); (A.P.)
- Department of Public Health and Primary Care, Centre for Environment & Health, KU Leuven, 3000 Leuven, Belgium
- Research Foundation—Flanders (FWO), 1000 Brussels, Belgium
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27
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Pantoja-Urbán AH, Richer S, Mittermaier A, Giroux M, Nouel D, Hernandez G, Flores C. Gains and Losses: Resilience to Social Defeat Stress in Adolescent Female Mice. Biol Psychiatry 2024; 95:37-47. [PMID: 37355003 PMCID: PMC10996362 DOI: 10.1016/j.biopsych.2023.06.014] [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: 12/14/2022] [Revised: 05/29/2023] [Accepted: 06/12/2023] [Indexed: 06/26/2023]
Abstract
BACKGROUND Adolescence is a unique period of psychosocial growth during which social adversity can negatively influence mental health trajectories. Understanding how adolescent social stress impacts males and females and why some individuals are particularly affected is becoming increasingly urgent. Social defeat stress models for adolescent male mice have been effective in reproducing some physical/psychological aspects of bullying. Designing a model suitable for females has proven challenging. METHODS We report a version of the adolescent male accelerated social defeat stress (AcSD) paradigm adapted for females. Early adolescent C57BL/6J female mice (N = 107) were exposed to our modified AcSD procedure twice a day for 4 days and categorized as resilient or susceptible based on a social interaction test 24 hours later. Mice were then assessed for changes in Netrin-1/DCC guidance cue expression in dopamine systems, for inhibitory control in adulthood using the Go/No-Go task, or for alterations in dopamine connectivity organization in the matured prefrontal cortex. RESULTS Most adolescent females showed protection against stress-induced social avoidance, but in adulthood, these resilient females developed inhibitory control deficits and showed diminution of prefrontal cortex presynaptic dopamine sites. Female mice classified as susceptible were protected against cognitive and dopaminergic alterations. AcSD did not alter Netrin-1/DCC in early adolescent females, contrary to previous findings with males. CONCLUSIONS Preserving prosocial behavior in adolescent females may be important for survival advantage but seems to come at the price of developing persistent cognitive and dopamine deficiencies. The female AcSD paradigm produced findings comparable to those found in males, allowing mechanistic investigation in both sexes.
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Affiliation(s)
- Andrea Harée Pantoja-Urbán
- Integrated Program in Neuroscience, McGill University, Montreal, Québec, Canada; Douglas Mental Health University Institute, Montreal, Québec, Canada
| | - Samuel Richer
- Integrated Program in Neuroscience, McGill University, Montreal, Québec, Canada; Douglas Mental Health University Institute, Montreal, Québec, Canada
| | | | - Michel Giroux
- Douglas Mental Health University Institute, Montreal, Québec, Canada
| | - Dominique Nouel
- Douglas Mental Health University Institute, Montreal, Québec, Canada
| | | | - Cecilia Flores
- Douglas Mental Health University Institute, Montreal, Québec, Canada; Department of Psychiatry and Department of Neurology and Neurosurgery, McGill University, Montreal, Québec, Canada.
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Bendau A, Petzold MB, Kaminski J, Plag J, Ströhle A. Exercise as Treatment for "Stress-Related" Mental Disorders. Curr Neuropharmacol 2024; 22:420-436. [PMID: 37779399 PMCID: PMC10845075 DOI: 10.2174/1570159x22666230927103308] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Revised: 03/29/2023] [Accepted: 04/02/2023] [Indexed: 10/03/2023] Open
Abstract
The beneficial impact of physical activity on preventing and treating mental disorders has captured growing (research) interest. This article aims to provide a concise overview of essential evidence regarding the effectiveness and underlying mechanisms of physical activity for individuals with mental disorders clustered as "stress-related" conditions. Empirical findings (e.g., longitudinalprospective studies, interventional randomized-controlled-trials, reviews, meta-analyses) regarding the effects of physical activity in the prevention and treatment of stress-related mental disorders are summarized. Furthermore, potential mechanisms underlying these effects are discussed, and recommendations regarding the use of physical activity are outlined. The majority of studies indicate good efficacy of physical activity in prospectively lowering the risk for the incidence of subsequent stress-related mental disorders as well as in the treatment of manifest disorders. Most evidence targets unipolar depressive disorder and, secondly, anxiety disorders. Research regarding posttraumatic stress disorder, obsessive-compulsive disorders, and somatoform disorders is promising but scarce. Physical activity seems to be useful as a stand-alone-treatment as well as in combination with other psychotherapeutic or pharmacological treatments. Multiple intertwined physiological, psychological, and social mechanisms are assumed to mediate the beneficial effects. Recommendations regarding physical activity can orientate on official guidelines but should consider the individual needs and circumstances of each subject. In summary, physical activity seems to be effective in the prevention and treatment of stressrelated mental disorders and, therefore, should be fostered in healthcare-settings. Future studies are needed to clarify partly inconsistent patterns of results and to close research gaps, e.g., concerning somatoform disorders.
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Affiliation(s)
- Antonia Bendau
- Department of Psychiatry and Neurosciences, Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt Universität zu Berlin, CCM, Charitéplatz 1, 10117, Berlin, Germany
- HMU Health and Medical University Potsdam, Potsdam, Germany
| | - Moritz Bruno Petzold
- Department of Psychiatry and Neurosciences, Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt Universität zu Berlin, CCM, Charitéplatz 1, 10117, Berlin, Germany
- Department of Psychology, MSB Medical School Berlin, Berlin, Germany
| | - Jan Kaminski
- Department of Psychiatry and Neurosciences, Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt Universität zu Berlin, CCM, Charitéplatz 1, 10117, Berlin, Germany
| | - Jens Plag
- Department of Psychiatry and Neurosciences, Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt Universität zu Berlin, CCM, Charitéplatz 1, 10117, Berlin, Germany
- HMU Health and Medical University Potsdam, Potsdam, Germany
- Oberberg Fachklinik Potsdam, Potsdam, Germany
| | - Andreas Ströhle
- Department of Psychiatry and Neurosciences, Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt Universität zu Berlin, CCM, Charitéplatz 1, 10117, Berlin, Germany
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Ding Q, Xu J, Peng S, Chen J, Luo Y, Li X, Wu R, Li X, Qin S. Brain network integration underpins differential susceptibility of adolescent anxiety. Psychol Med 2024; 54:193-202. [PMID: 37781905 DOI: 10.1017/s0033291723002325] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/03/2023]
Abstract
BACKGROUND Parenting is a common and potent environmental factor influencing adolescent anxiety. Yet, the underlying neurobiological susceptibility signatures remain elusive. Here, we used a longitudinal twin neuroimaging study to investigate the brain network integration and its heritable relation to underpin the neural differential susceptibility of adolescent anxiety to parenting environments. METHODS 216 twins from the Beijing Twin Study completed the parenting and anxiety assessments and fMRI scanning. We first identified the brain network integration involved in the influences of parenting at age 12 on anxiety symptoms at age 15. We then estimated to what extent heritable sensitive factors are responsible for the susceptibility of brain network integration. RESULTS Consistent with the differential susceptibility theory, the results showed that hypo-connectivity within the central executive network amplified the impact of maternal hostility on anxiety symptoms. A high anti-correlation between the anterior salience and default mode networks played a similar modulatory role in the susceptibility of adolescent anxiety to paternal hostility. Genetic influences (21.18%) were observed for the connectivity pattern in the central executive network. CONCLUSIONS Brain network integration served as a promising neurobiological signature of the differential susceptibility to adolescent anxiety. Our findings deepen the understanding of the neural sensitivity in the developing brain and can inform early identification and personalized interventions for adolescents at risk of anxiety disorders.
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Affiliation(s)
- Qingwen Ding
- CAS Key Laboratory of Mental Health, Institute of Psychology, Chinese Academy of Sciences, Beijing, China
- Department of Psychology, University of Chinese Academy of Sciences, Beijing, China
| | - Jiahua Xu
- Chinese Institute for Brain Research, Beijing, China
- Max Planck University College London Centre for Computational Psychiatry and Ageing Research, London, UK
| | - Siya Peng
- IDG/McGovern Institute for Brain Research, State Key Laboratory of Cognitive Neuroscience and Learning, Beijing Normal University, Beijing, China
- Beijing Key Laboratory of Brain Imaging and Connectomics, Beijing Normal University, Beijing, China
| | - Jie Chen
- CAS Key Laboratory of Mental Health, Institute of Psychology, Chinese Academy of Sciences, Beijing, China
- Department of Psychology, University of Chinese Academy of Sciences, Beijing, China
| | - Yu Luo
- CAS Key Laboratory of Mental Health, Institute of Psychology, Chinese Academy of Sciences, Beijing, China
- Department of Psychology, University of Chinese Academy of Sciences, Beijing, China
| | - Xuebing Li
- CAS Key Laboratory of Mental Health, Institute of Psychology, Chinese Academy of Sciences, Beijing, China
- Department of Psychology, University of Chinese Academy of Sciences, Beijing, China
| | - Ruilin Wu
- Institute of Psychology, Beihang University, Beijing, China
| | - Xinying Li
- CAS Key Laboratory of Mental Health, Institute of Psychology, Chinese Academy of Sciences, Beijing, China
- Department of Psychology, University of Chinese Academy of Sciences, Beijing, China
| | - Shaozheng Qin
- Chinese Institute for Brain Research, Beijing, China
- IDG/McGovern Institute for Brain Research, State Key Laboratory of Cognitive Neuroscience and Learning, Beijing Normal University, Beijing, China
- Beijing Key Laboratory of Brain Imaging and Connectomics, Beijing Normal University, Beijing, China
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Du Y, Li Y, Zhao X, Yao Y, Wang B, Zhang L, Wang G. Psilocybin facilitates fear extinction in mice by promoting hippocampal neuroplasticity. Chin Med J (Engl) 2023; 136:2983-2992. [PMID: 37000971 PMCID: PMC10752473 DOI: 10.1097/cm9.0000000000002647] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2023] [Indexed: 04/03/2023] Open
Abstract
BACKGROUND Posttraumatic stress disorder (PTSD) and depression are highly comorbid. Psilocybin exerts substantial therapeutic effects on depression by promoting neuroplasticity. Fear extinction is a key process in the mechanism of first-line exposure-based therapies for PTSD. We hypothesized that psilocybin would facilitate fear extinction by promoting hippocampal neuroplasticity. METHODS First, we assessed the effects of psilocybin on percentage of freezing time in an auditory cued fear conditioning (FC) and fear extinction paradigm in mice. Psilocybin was administered 30 min before extinction training. Fear extinction testing was performed on the first day; fear extinction retrieval and fear renewal were tested on the sixth and seventh days, respectively. Furthermore, we verified the effect of psilocybin on hippocampal neuroplasticity using Golgi staining for the dendritic complexity and spine density, Western blotting for the protein levels of brain derived neurotrophic factor (BDNF) and mechanistic target of rapamycin (mTOR), and immunofluorescence staining for the numbers of doublecortin (DCX)- and bromodeoxyuridine (BrdU)-positive cells. RESULTS A single dose of psilocybin (2.5 mg/kg, i.p.) reduced the increase in the percentage of freezing time induced by FC at 24 h, 6th day and 7th day after administration. In terms of structural neuroplasticity, psilocybin rescued the decrease in hippocampal dendritic complexity and spine density induced by FC; in terms of neuroplasticity related proteins, psilocybin rescued the decrease in the protein levels of hippocampal BDNF and mTOR induced by FC; in terms of neurogenesis, psilocybin rescued the decrease in the numbers of DCX- and BrdU-positive cells in the hippocampal dentate gyrus induced by FC. CONCLUSIONS A single dose of psilocybin facilitated rapid and sustained fear extinction; this effect might be partially mediated by the promotion of hippocampal neuroplasticity. This study indicates that psilocybin may be a useful adjunct to exposure-based therapies for PTSD and other mental disorders characterized by failure of fear extinction.
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Affiliation(s)
- Yingjie Du
- Department of Anesthesiology, Beijing Tongren Hospital, Capital Medical University, Beijing 100730, China
- Beijing Institute of Pharmacology and Toxicology, State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Key Laboratory of Neuropsychopharmacology, Beijing 100850, China
| | - Yunfeng Li
- Beijing Institute of Pharmacology and Toxicology, State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Key Laboratory of Neuropsychopharmacology, Beijing 100850, China
- Beijing Institute of Basic Medical Sciences, Beijing 100850, China
| | - Xiangting Zhao
- Beijing Institute of Pharmacology and Toxicology, State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Key Laboratory of Neuropsychopharmacology, Beijing 100850, China
- Key Laboratory of Microecology-Immune Regulatory Network and Related Diseases Basic Medical College of Jiamusi University, Jiamusi, Heilongjiang 154000, China
| | - Yishan Yao
- Beijing Institute of Pharmacology and Toxicology, State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Key Laboratory of Neuropsychopharmacology, Beijing 100850, China
| | - Bin Wang
- Beijing Institute of Pharmacology and Toxicology, State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Key Laboratory of Neuropsychopharmacology, Beijing 100850, China
| | - Liming Zhang
- Beijing Institute of Pharmacology and Toxicology, State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Key Laboratory of Neuropsychopharmacology, Beijing 100850, China
| | - Guyan Wang
- Department of Anesthesiology, Beijing Tongren Hospital, Capital Medical University, Beijing 100730, China
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Palamarchuk IS, Slavich GM, Vaillancourt T, Rajji TK. Stress-related cellular pathophysiology as a crosstalk risk factor for neurocognitive and psychiatric disorders. BMC Neurosci 2023; 24:65. [PMID: 38087196 PMCID: PMC10714507 DOI: 10.1186/s12868-023-00831-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2023] [Accepted: 10/24/2023] [Indexed: 12/18/2023] Open
Abstract
In this narrative review, we examine biological processes linking psychological stress and cognition, with a focus on how psychological stress can activate multiple neurobiological mechanisms that drive cognitive decline and behavioral change. First, we describe the general neurobiology of the stress response to define neurocognitive stress reactivity. Second, we review aspects of epigenetic regulation, synaptic transmission, sex hormones, photoperiodic plasticity, and psychoneuroimmunological processes that can contribute to cognitive decline and neuropsychiatric conditions. Third, we explain mechanistic processes linking the stress response and neuropathology. Fourth, we discuss molecular nuances such as an interplay between kinases and proteins, as well as differential role of sex hormones, that can increase vulnerability to cognitive and emotional dysregulation following stress. Finally, we explicate several testable hypotheses for stress, neurocognitive, and neuropsychiatric research. Together, this work highlights how stress processes alter neurophysiology on multiple levels to increase individuals' risk for neurocognitive and psychiatric disorders, and points toward novel therapeutic targets for mitigating these effects. The resulting models can thus advance dementia and mental health research, and translational neuroscience, with an eye toward clinical application in cognitive and behavioral neurology, and psychiatry.
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Affiliation(s)
- Iryna S Palamarchuk
- Centre for Addiction and Mental Health, 1001 Queen Street West, Toronto, ON, M6J1H4, Canada.
- Department of Psychiatry, Temerty Faculty of Medicine, University of Toronto, Toronto, ON, Canada.
- Sunnybrook Health Sciences Centre, Division of Neurology, Toronto, ON, Canada.
- Temerty Faculty of Medicine, Toronto Dementia Research Alliance, University of Toronto, Toronto, ON, Canada.
| | - George M Slavich
- Department of Psychiatry and Biobehavioral Sciences, University of California, Los Angeles, Los Angeles, CA, USA
| | - Tracy Vaillancourt
- Counselling Psychology, Faculty of Education, University of Ottawa, Ottawa, ON, Canada
- School of Psychology, Faculty of Social Sciences, University of Ottawa, Ottawa, ON, Canada
| | - Tarek K Rajji
- Centre for Addiction and Mental Health, 1001 Queen Street West, Toronto, ON, M6J1H4, Canada
- Department of Psychiatry, Temerty Faculty of Medicine, University of Toronto, Toronto, ON, Canada
- Temerty Faculty of Medicine, Toronto Dementia Research Alliance, University of Toronto, Toronto, ON, Canada
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Iqbal J, Huang GD, Xue YX, Yang M, Jia XJ. The neural circuits and molecular mechanisms underlying fear dysregulation in posttraumatic stress disorder. Front Neurosci 2023; 17:1281401. [PMID: 38116070 PMCID: PMC10728304 DOI: 10.3389/fnins.2023.1281401] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2023] [Accepted: 10/13/2023] [Indexed: 12/21/2023] Open
Abstract
Post-traumatic stress disorder (PTSD) is a stress-associated complex and debilitating psychiatric disorder due to an imbalance of neurotransmitters in response to traumatic events or fear. PTSD is characterized by re-experiencing, avoidance behavior, hyperarousal, negative emotions, insomnia, personality changes, and memory problems following exposure to severe trauma. However, the biological mechanisms and symptomatology underlying this disorder are still largely unknown or poorly understood. Considerable evidence shows that PTSD results from a dysfunction in highly conserved brain systems involved in regulating stress, anxiety, fear, and reward circuitry. This review provides a contemporary update about PTSD, including new data from the clinical and preclinical literature on stress, PTSD, and fear memory consolidation and extinction processes. First, we present an overview of well-established laboratory models of PTSD and discuss their clinical translational value for finding various treatments for PTSD. We then highlight the research progress on the neural circuits of fear and extinction-related behavior, including the prefrontal cortex, hippocampus, and amygdala. We further describe different molecular mechanisms, including GABAergic, glutamatergic, cholinergic, and neurotropic signaling, responsible for the structural and functional changes during fear acquisition and fear extinction processes in PTSD.
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Affiliation(s)
- Javed Iqbal
- Shenzhen Graduate School, Peking University Shenzhen, Guangdong, China
- Department of Addiction Medicine, Shenzhen Engineering Research Center for Precision Psychiatric Technology, Shenzhen Clinical Research Center for Mental Disorders, Shenzhen Kangning Hospital and Shenzhen Mental Health Center; Clinical College of Mental Health, Shenzhen University Health Science Center; Affiliated Mental Health Center, Southern University of Science and Technology, Shenzhen, Guangdong, China
| | - Geng-Di Huang
- Shenzhen Graduate School, Peking University Shenzhen, Guangdong, China
- Department of Addiction Medicine, Shenzhen Engineering Research Center for Precision Psychiatric Technology, Shenzhen Clinical Research Center for Mental Disorders, Shenzhen Kangning Hospital and Shenzhen Mental Health Center; Clinical College of Mental Health, Shenzhen University Health Science Center; Affiliated Mental Health Center, Southern University of Science and Technology, Shenzhen, Guangdong, China
| | - Yan-Xue Xue
- National Institute on Drug Dependence and Beijing Key Laboratory of Drug Dependence, Peking University, Beijing, China
| | - Mei Yang
- Department of Addiction Medicine, Shenzhen Engineering Research Center for Precision Psychiatric Technology, Shenzhen Clinical Research Center for Mental Disorders, Shenzhen Kangning Hospital and Shenzhen Mental Health Center; Clinical College of Mental Health, Shenzhen University Health Science Center; Affiliated Mental Health Center, Southern University of Science and Technology, Shenzhen, Guangdong, China
| | - Xiao-Jian Jia
- Department of Addiction Medicine, Shenzhen Engineering Research Center for Precision Psychiatric Technology, Shenzhen Clinical Research Center for Mental Disorders, Shenzhen Kangning Hospital and Shenzhen Mental Health Center; Clinical College of Mental Health, Shenzhen University Health Science Center; Affiliated Mental Health Center, Southern University of Science and Technology, Shenzhen, Guangdong, China
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Jaehne EJ, Semaan H, Grosman A, Xu X, Schwarz Q, van den Buuse M. Enhanced methamphetamine sensitisation in a rat model of the brain-derived neurotrophic factor Val66Met variant: Sex differences and dopamine receptor gene expression. Neuropharmacology 2023; 240:109719. [PMID: 37742717 DOI: 10.1016/j.neuropharm.2023.109719] [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: 06/12/2023] [Revised: 08/29/2023] [Accepted: 09/17/2023] [Indexed: 09/26/2023]
Abstract
Brain-derived neurotrophic factor (BDNF) and the Val66Met polymorphism may play a role in the development of psychosis and schizophrenia. The aim of this study was to investigate long-term effects of methamphetamine (Meth) on psychosis-like behaviour and dopamine receptor and dopamine transporter gene expression in a novel rat model of the BDNF Val66Met polymorphism. At the end of a 7-day subchronic Meth treatment, female rats with the Met/Met genotype selectively showed locomotor hyperactivity sensitisation to the acute effect of Meth. Male rats showed tolerance to Meth irrespective of Val66Met genotype. Two weeks later, female Met/Met rats showed increased locomotor activity following both saline treatment or a low dose of Meth, a hyperactivity which was not observed in other genotypes or in males. Baseline PPI did not differ between the groups but the disruption of PPI by acute treatment with apomorphine was absent in Meth-pretreated Met/Met rats. Female Met/Met rats selectively showed down-regulation of dopamine D2 receptor gene expression in striatum. Behavioural effects of MK-801 or its locomotor sensitisation by prior Meth pretreatment were not influenced by genotype. These data suggest a selective vulnerability of female Met/Met rats to short-term and long-term effects of Meth, which could model increased vulnerability to psychosis development associated with the BDNF Val66Met polymorphism.
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Affiliation(s)
- Emily J Jaehne
- Department of Psychology and Counselling, School of Psychology and Public Health, La Trobe University, Melbourne, Australia
| | - Hayette Semaan
- Department of Psychology and Counselling, School of Psychology and Public Health, La Trobe University, Melbourne, Australia
| | - Adam Grosman
- Department of Psychology and Counselling, School of Psychology and Public Health, La Trobe University, Melbourne, Australia
| | - Xiangjun Xu
- Centre for Cancer Biology, SA Pathology and University of South Australia, Adelaide, Australia
| | - Quenten Schwarz
- Centre for Cancer Biology, SA Pathology and University of South Australia, Adelaide, Australia
| | - Maarten van den Buuse
- Department of Psychology and Counselling, School of Psychology and Public Health, La Trobe University, Melbourne, Australia; Department of Pharmacology, University of Melbourne, Melbourne, Australia.
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Zhao Y, Huang B, Yu Y, Luan J, Huang S, Liu Y, Yang H, Chen Y, Yang R, Dong J, Shi H. Exercise to prevent the negative effects of sleep deprivation: A systematic review and meta-analysis. Neurosci Biobehav Rev 2023; 155:105433. [PMID: 37898446 DOI: 10.1016/j.neubiorev.2023.105433] [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: 07/12/2023] [Revised: 10/07/2023] [Accepted: 10/22/2023] [Indexed: 10/30/2023]
Abstract
Ample sleep is an important basis for maintaining health, however with the pace of life accelerating in modern society, more people are using sacrificial sleep to cope with these social changes. Sleep deprivation can have negative effects on cognitive performance and psychosomatic health. It is well known that exercise, as a beneficial intervention strategy for human health, has been increasingly used in the clinic. But it's not clear if it can prevent the negative effects of sleep deprivation. In this meta-analysis, we reviewed 23 articles from PubMed and Web of Science to investigate whether moderate physical exercise can prevent the negative effects of sleep deprivation in rodents. Our findings suggest that exercise can prevent sleep deprivation-induced cognitive impairment and anxiety-like behaviors through multiple pathways. We also discuss possible molecular mechanisms involved in this protective effect, highlighting the potential of exercise as a preventive or therapeutic strategy for sleep deprivation-induced negative effects.
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Affiliation(s)
- Ye Zhao
- Neuroscience Research Center, Institute of Medical and Health Science, Hebei Medical University, Shijiazhuang 050017, China; Hebei Key laboratory of Neurophysiology, Hebei Medicinal University, Shijiazhuang 050017, China
| | - Boya Huang
- Neuroscience Research Center, Institute of Medical and Health Science, Hebei Medical University, Shijiazhuang 050017, China; Hebei Key laboratory of Neurophysiology, Hebei Medicinal University, Shijiazhuang 050017, China
| | - Yang Yu
- Neuroscience Research Center, Institute of Medical and Health Science, Hebei Medical University, Shijiazhuang 050017, China; Hebei Key laboratory of Neurophysiology, Hebei Medicinal University, Shijiazhuang 050017, China
| | - Jiage Luan
- Nursing School, Hebei Medical University, Shijiazhuang 050017, China
| | - Shihao Huang
- National Institute on Drug Dependence and Beijing Key Laboratory of Drug Dependence, Peking University, Beijing 100191, China
| | - Ye Liu
- Neuroscience Research Center, Institute of Medical and Health Science, Hebei Medical University, Shijiazhuang 050017, China; Hebei Key laboratory of Neurophysiology, Hebei Medicinal University, Shijiazhuang 050017, China
| | - Huiping Yang
- Neuroscience Research Center, Institute of Medical and Health Science, Hebei Medical University, Shijiazhuang 050017, China; Hebei Key laboratory of Neurophysiology, Hebei Medicinal University, Shijiazhuang 050017, China
| | - Yifei Chen
- Neuroscience Research Center, Institute of Medical and Health Science, Hebei Medical University, Shijiazhuang 050017, China; Hebei Key laboratory of Neurophysiology, Hebei Medicinal University, Shijiazhuang 050017, China
| | - Rui Yang
- Neuroscience Research Center, Institute of Medical and Health Science, Hebei Medical University, Shijiazhuang 050017, China; Hebei Key laboratory of Neurophysiology, Hebei Medicinal University, Shijiazhuang 050017, China
| | - Jing Dong
- Brain Science and Advanced Technology Institute, Wuhan University of Science and Technology, Wuhan 430000, Hubei, China
| | - Haishui Shi
- Neuroscience Research Center, Institute of Medical and Health Science, Hebei Medical University, Shijiazhuang 050017, China; Hebei Key laboratory of Neurophysiology, Hebei Medicinal University, Shijiazhuang 050017, China; Nursing School, Hebei Medical University, Shijiazhuang 050017, China.
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35
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Briânis RC, Andreotti JP, Moreira FA, Iglesias LP. Interplay between endocannabinoid and endovanilloid mechanisms in fear conditioning. Acta Neuropsychiatr 2023:1-10. [PMID: 37982167 DOI: 10.1017/neu.2023.54] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/21/2023]
Abstract
OBJECTIVE The transient receptor potential cation channel, subfamily V (vanilloid), member 1 (TRPV1) mediates pain perception to thermal and chemical stimuli in peripheral neurons. The cannabinoid receptor type 1 (CB1), on the other hand, promotes analgesia in both the periphery and the brain. TRPV1 and CB1 have also been implicated in learned fear, which involves the association of a previously neutral stimulus with an aversive event. In this review, we elaborate on the interplay between CB1 receptors and TRPV1 channels in learned fear processing. METHODS We conducted a PubMed search for a narrative review on endocannabinoid and endovanilloid mechanisms on fear conditioning. RESULTS TRPV1 and CB1 receptors are activated by a common endogenous agonist, arachidonoyl ethanolamide (anandamide), Moreover, they are expressed in common neuroanatomical structures and recruit converging cellular pathways, acting in concert to modulate fear learning. However, evidence suggests that TRPV1 exerts a facilitatory role, whereas CB1 restrains fear responses. CONCLUSION TRPV1 and CB1 seem to mediate protective and aversive roles of anandamide, respectively. However, more research is needed to achieve a better understanding of how these receptors interact to modulate fear learning.
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Affiliation(s)
- Rayssa C Briânis
- Department of Pharmacology, Institute of Biological Sciences; Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil
| | - Julia P Andreotti
- Department of Pharmacology, Institute of Biological Sciences; Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil
| | - Fabrício A Moreira
- Department of Pharmacology, Institute of Biological Sciences; Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil
| | - Lia P Iglesias
- Department of Pharmacology, Institute of Biological Sciences; Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil
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Docherty S, Doughty FL, Smith EF. The Acute and Chronic Effects of Lion's Mane Mushroom Supplementation on Cognitive Function, Stress and Mood in Young Adults: A Double-Blind, Parallel Groups, Pilot Study. Nutrients 2023; 15:4842. [PMID: 38004235 PMCID: PMC10675414 DOI: 10.3390/nu15224842] [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: 10/23/2023] [Revised: 11/03/2023] [Accepted: 11/16/2023] [Indexed: 11/26/2023] Open
Abstract
BACKGROUND Given the bioactive properties and limited work to date, Hericium erinaceus (Lion's mane) shows promise in improving cognitive function and mood. However, much of the human research has concentrated on chronic supplementation in cognitively compromised cohorts. OBJECTIVE The current pilot study investigated the acute and chronic (28-day) cognitive and mood-enhancing effects of Hericium erinaceus in a healthy, young adult cohort. DESIGN This randomized, double-blind, placebo-controlled, parallel-groups design investigated the acute (60 min post dose) and chronic (28-day intervention) effects of 1.8 g Hericium erinaceus in 41 healthy adults aged 18-45 years. RESULTS Analysis revealed that following a single dose of Hericium erinaceus, participants performed quicker on the Stroop task (p = 0.005) at 60 min post dose. A trend towards reduced subjective stress was observed following 28-day supplementation (p = 0.051). CONCLUSIONS The findings tentatively suggest that Hericium erinaceus may improve speed of performance and reduce subjective stress in healthy, young adults. However, null and limited negative findings were also observed. Given the small sample size, these findings should be interpreted with caution. Further investigation in larger sample sizes is crucial, however the findings of this trial offer a promising avenue of interest.
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Affiliation(s)
- Sarah Docherty
- Department of Psychology, Northumbria University, Newcastle upon Tyne NE1 8ST, UK
| | - Faye L. Doughty
- Department of Psychology, Northumbria University, Newcastle upon Tyne NE1 8ST, UK
| | - Ellen F. Smith
- Brain, Performance and Nutrition Research Centre, Department of Psychology, Northumbria University, Newcastle upon Tyne NE1 8ST, UK;
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Khiroya K, Sekyere E, McEwen B, Bayes J. Nutritional considerations in major depressive disorder: current evidence and functional testing for clinical practice. Nutr Res Rev 2023:1-12. [PMID: 37964733 DOI: 10.1017/s0954422423000276] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2023]
Abstract
Depression is a multifaceted condition with diverse underlying causes. Several contributing and inter-related factors such as genetic, nutritional, neurological, physiological, gut-brain-axis, metabolic and psychological stress factors play a role in the pathophysiology of depression. This review aims to highlight the role that nutritional factors play in the aetiology of depression. Secondly, we discuss the biomedical and functional pathology tests which measure these factors, and the current evidence supporting their use. Lastly, we make recommendations on how practitioners can incorporate the latest evidence-based research findings into clinical practice. This review highlights that diet and nutrition greatly affect the pathophysiology of depression. Nutrients influence gene expression, with folate and vitamin B12 playing vital roles in methylation reactions and homocysteine regulation. Nutrients are also involved in the tryptophan/kynurenine pathway and the expression of brain-derived neurotrophic factor (BDNF). Additionally, diet influences the hypothalamic-pituitary-adrenal (HPA) response and the composition and diversity of the gut microbiome, both of which have been implicated in depression. A comprehensive dietary assessment, combined with appropriate evaluation of biochemistry and blood pathology, may help uncover contributing factors to depressive symptoms. By employing such an approach, a more targeted and personalised treatment strategy can be devised, ultimately leading to improved patient outcomes.
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Affiliation(s)
- Kathryn Khiroya
- Endeavour College of Natural Health, Haymarket, NSW, Australia
| | - Eric Sekyere
- Endeavour College of Natural Health, Haymarket, NSW, Australia
| | - Bradley McEwen
- Faculty of Health, Southern Cross University, East Lismore, NSW, Australia
| | - Jessica Bayes
- National Centre for Naturopathic Medicine, Southern Cross University, East Lismore, NSW, Australia
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Castillo-Navarrete JL, Bustos C, Guzman-Castillo A, Vicente B. Increased academic stress is associated with decreased plasma BDNF in Chilean college students. PeerJ 2023; 11:e16357. [PMID: 37941931 PMCID: PMC10629390 DOI: 10.7717/peerj.16357] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2023] [Accepted: 10/05/2023] [Indexed: 11/10/2023] Open
Abstract
Introduction Academic stress (AS) is a prevalent challenge faced by university students, potentially affecting molecular indicators such as brain-derived neurotrophic factor (BDNF) and global DNA methylation (G-DNA-M). These indicators could illuminate the physiological ramifications of academic stress. Study Design and Methods This research followed a quantitative, non-experimental, longitudinal panel design spanning two academic semesters, observing phenomena in their natural context. Students from the Medical Technology program at Universidad de Concepción, Chile were involved, with assessments at the beginning and during heightened academic stress periods. Sample Of the total participants, 63.0% were females, with an average age of 21.14 years at baseline, and 36.92% were males, averaging 21.36 years. By the study's conclusion, female participants averaged 21.95 years, and males 22.13 years. Results Significant differences were observed between initial and final assessments for the SISCO-II Inventory of Academic Stress and Beck Depression Inventory-II, notably in stressor scores, and physical, and psychological reactions. Gender differences emerged in the final physical and psychological reactions. No significant changes were detected between the two assessments in plasma BDNF or G-DNA-M values. A refined predictive model showcased that, on average, there was a 3.56% decrease in females' plasma BDNF at the final assessment and a 17.14% decrease in males. In the sample, the G-DNA-M percentage at the final assessment increased by 15.06% from the baseline for females and 18.96% for males. Conclusions The study underscores the physiological impact of academic stress on university students, evidenced by changes in markers like BDNF and G-DNA-M. These findings offer an in-depth understanding of the intricate mechanisms regulating academic stress responses and highlight the need for interventions tailored to mitigate its physiological and psychological effects.
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Affiliation(s)
- Juan-Luis Castillo-Navarrete
- Departamento Tecnología Médica, Facultad de Medicina, Universidad de Concepción, Concepción, Chile
- PhD Programme in Mental Health, Facultad de Medicina, Universidad de Concepción, Concepción, Chile
- Programa de Neurociencia, Psiquiatría y Salud Mental, NEPSAM, Universidad de Concepción, Concepción, Chile
| | - Claudio Bustos
- PhD Programme in Mental Health, Facultad de Medicina, Universidad de Concepción, Concepción, Chile
- Programa de Neurociencia, Psiquiatría y Salud Mental, NEPSAM, Universidad de Concepción, Concepción, Chile
- Departamento de Psicología, Facultad de Ciencias Sociales, Universidad de Concepción, Chile, Chile
| | - Alejandra Guzman-Castillo
- PhD Programme in Mental Health, Facultad de Medicina, Universidad de Concepción, Concepción, Chile
- Programa de Neurociencia, Psiquiatría y Salud Mental, NEPSAM, Universidad de Concepción, Concepción, Chile
- Departamento de Ciencias Básicas y Morfología, Facultad de Medicina, Universidad Católica de la Santísima Concepción, Concepción, Chile
| | - Benjamin Vicente
- PhD Programme in Mental Health, Facultad de Medicina, Universidad de Concepción, Concepción, Chile
- Programa de Neurociencia, Psiquiatría y Salud Mental, NEPSAM, Universidad de Concepción, Concepción, Chile
- Departamento de Psiquiatría y Salud Mental, Facultad de Medicina, Universidad de Concepción, Concepción, Chile
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Musuroglu Keloglan S, Sahin L, Kocahan S, Annac E, Tirasci N, Pekmezekmek AB. Effect of caffeine on hippocampal memory and levels of gene expression in social isolation stress. Int J Dev Neurosci 2023; 83:641-652. [PMID: 37575074 DOI: 10.1002/jdn.10292] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2023] [Revised: 07/06/2023] [Accepted: 07/21/2023] [Indexed: 08/15/2023] Open
Abstract
BACKGROUND Caffeine (Cf) antagonizes the adenosine receptors and has neuroprotective properties. The effect of Cf has been seen on stress-induced deficits of cognitive. In this study, we have investigated the effect of Cf on learning and memory functions induced by social isolation (SI) stress. MATERIALS AND METHODS In the present study, 21-day-old Wistar albino male rats (n = 28) were divided into four groups: the control (C), the SI, the Cf, and the social isolation + caffeine (SICf). Cf (0.3 g/L) was added to the drinking water of the experimental animals for 4 weeks. The learning and memory functions were assessed using the Morris Water Maze Test (MWMT). Following, was performed histopathological evaluation and determined hippocampal gene expression levels by RT-qPCR. RESULTS According to MWMT findings, the time spent in the quadrant where the platform removed was decreased in the SI group compared with the C (p < 0.05). Histological evaluation showed morphological changes in SI by irregular appearance, cellular edema, and dark pycnotic appearance of nuclei in some neurons. However, it was observed that the histological structure of most of the neurons in the SICf group was similar to the C and Cf groups. Hippocampal SNAP25 expression was decreased in the Cf and SICf groups than in the C group (p < 0.05). The GFAP expression was increased in the SICf group than in the C group (p < 0.05). NR2A increased in the SI and SICf groups compared with C and Cf groups (p < 0.05). NR2B expression decreased in the Cf group compared with C and SI groups (p < 0.05). CONCLUSIONS SI impaired spatial memory and causes morphological changes in adolescent rats, but this effect of isolation was not seen in Cf-treated animals. The effects of SI on NR2A, Cf on NR2B, and SNAP25 are remarkable. Here, we propose that the impaired effect of SI on spatial memory may be mediated by NR2A, but further studies are needed to explain this effect.
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Affiliation(s)
| | - Leyla Sahin
- Department of Physiology, Faculty of Medicine, Mersin University, Mersin, Turkey
| | - Sayad Kocahan
- Department of Physiology, Faculty of Gulhane Medicine, Health Sciences University, Ankara, Turkey
| | - Ebru Annac
- Department of Histology and Embryology, Faculty of Medicine, Adiyaman University, Adiyaman, Turkey
| | - Nurhan Tirasci
- Department of Zootechnics and Animal Nutrition, Institute of Health Sciences, Fırat University, Elazig, Turkey
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Qin L, Wang J, Wu X, Song L, Zhang Y, Gong M, Wang Y, Li B. Antidepressant effects of 70% ethanolic extract of Lonicerae japonicae flos and it contained chlorogenic acid via upregulation of BDNF-TrkB pathway in the hippocampus of mice. Brain Res Bull 2023; 204:110796. [PMID: 37863440 DOI: 10.1016/j.brainresbull.2023.110796] [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: 07/12/2023] [Revised: 09/25/2023] [Accepted: 10/17/2023] [Indexed: 10/22/2023]
Abstract
Lonicera japonica flos (LJF) is a common clinical herb with outstanding medicinal and nutritional value. This study aimed to evaluate the antidepressant effects of LJF's active extract and compound chlorogenic acid (CGA) around brain-derived neurotrophic factor(BDNF)-tropomyosin receptor kinase B (TrkB) pathway. The results showed that LJF's extracts and CGA had significant antidepressant effects, and the antidepressant effects of different extracts of LJF were highly positively correlated with the content of CGA (forced swimming test, r = 0.998; tail suspension test, r = 0.934). Moreover, LJF-70% ethanolic extract and CGA improved chronic unpredictable mild stress-induced depressive behavior, upregulated protein expression levels of BDNF and p-TrkB in the hippocampus, restored the damage of hippocampal neurons, and protected liver from damage. In summary, this study demonstrated for the first time that LJF-70% ethanolic extract was the active extract of LJF in antidepressant and CGA was its active compound, and the antidepressant mechanisms mainly involved the upregulation of BDNF-TrkB signaling pathway in the hippocampus of mice.
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Affiliation(s)
- Lingyu Qin
- College of Pharmacy, Henan University of Chinese Medicine, Zhengzhou 450046, China
| | - Junming Wang
- College of Pharmacy, Henan University of Chinese Medicine, Zhengzhou 450046, China; Co-construction Collaborative Innovation Center for Chinese Medicine and Respiratory Diseases by Henan & Education Ministry, Henan University of Chinese Medicine, Zhengzhou 450046, China.
| | - Xiaohui Wu
- College of Pharmacy, Henan University of Chinese Medicine, Zhengzhou 450046, China
| | - Lingling Song
- College of Pharmacy, Henan University of Chinese Medicine, Zhengzhou 450046, China
| | - Yueyue Zhang
- College of Pharmacy, Henan University of Chinese Medicine, Zhengzhou 450046, China
| | - Mingzhu Gong
- College of Pharmacy, Henan University of Chinese Medicine, Zhengzhou 450046, China
| | - Yanmei Wang
- College of Pharmacy, Henan University of Chinese Medicine, Zhengzhou 450046, China
| | - Bingyin Li
- College of Pharmacy, Henan University of Chinese Medicine, Zhengzhou 450046, China
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Porporatti AL, Schroder ÂGD, Lebel A, Moreau N, Misery L, Alajbeg I, Braud A, Boucher Y. Is burning mouth syndrome associated with stress? A meta-analysis. J Oral Rehabil 2023; 50:1279-1315. [PMID: 37332081 DOI: 10.1111/joor.13536] [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: 11/08/2022] [Revised: 04/04/2023] [Accepted: 06/10/2023] [Indexed: 06/20/2023]
Abstract
BACKGROUND Some studies have shown burning mouth syndrome (BMS) as comorbid psychosocial and psychiatric disorders, and as well, pointed at stress as a major risk factor. OBJECTIVE The aim of this meta-analysis was to answer the following question: 'Is there an association between BMS and stress, compared to healthy controls?' METHODS Two reviewers searched for the effect of stress in BMS and published on five main databases and three from the grey literature. Various questionnaires and biomarkers were analysed. Of the 2489 selected articles, 30 met the inclusion criteria. Studies englobed questionnaires, such as Perceived Stress Questionnaire, Lipp Stress Symptoms Inventory, Holmes-Rahe scale, Depression, Anxiety, and Stress Scale (DASS-21), Recent Experience Test; and various biomarkers, such as cortisol, opiorphin, IgA, α-amylase and interleukins. RESULTS In all studies with questionnaires, stress was significantly increased in the BMS group vs. control. Patients with BMS presented 25.73% higher cortisol levels, 28.17% higher IgA levels and 40.62% higher α-amylase levels than controls. Meta-analysis found that BMS subjects presented 3.01 nmoL/L [0.53; 5.50] higher cortisol levels, 84.35 kU/L [15.00; 153.71] higher α-amylase levels, 29.25 mg/mL [9.86; 48.64] higher IgA levels and 258.59 pg/mL [59.24; 457.94] higher IL-8 levels than control. No differences were found for opiorphin concentration in ng/mL [-0.96; 2.53]. For interleukins, no differences were founded for IL-1 β, IL-2, IL-4, IL-6, IL-8, IL-10 and TNF-α. CONCLUSION Based on the available evidence, this meta-analysis suggests more stress factors in questionnaire-based studies, and higher levels of cortisol, α-amylase, IgA and IL-8 biomarkers in BMS subjects than controls.
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Affiliation(s)
- André Luís Porporatti
- Laboratoire de Neurobiologie Oro-Faciale (EA 7543), Université Paris Cité, France and GHPS Assistance Publique Hôpitaux de Paris, Paris, France
| | | | - Ashley Lebel
- Laboratoire de Neurobiologie OroFaciale, Université Paris Cité, France and GHPS Assistance Publique Hôpitaux de Paris, Paris, France
| | - Nathan Moreau
- Laboratoire de Neurobiologie Oro-Faciale (EA 7543), Université Paris Cité and Hôpital Bretonneau (AP-HP), Paris, France
| | | | | | - Adeline Braud
- Laboratoire de Neurobiologie Oro-Faciale (EA 7543), Université Paris Cité, France and GHPS Assistance Publique Hôpitaux de Paris, Paris, France
| | - Yves Boucher
- Laboratoire de Neurobiologie Oro-Faciale (EA 7543), Université Paris Cité, France and GHPS Assistance Publique Hôpitaux de Paris, Paris, France
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García-Gutiérrez MS, Navarro D, Torregrosa AB, Viudez-Martínez A, Giner S, Manzanares J. Alterations of BDNF, mGluR5, Homer1a, p11 and excitatory/inhibitory balance in corticolimbic brain regions of suicide decedents. J Affect Disord 2023; 339:366-376. [PMID: 37437733 DOI: 10.1016/j.jad.2023.07.003] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/07/2023] [Revised: 06/02/2023] [Accepted: 07/08/2023] [Indexed: 07/14/2023]
Abstract
BACKGROUND Developing biological based approaches for preventing suicide has become a priority. In recent years, there has been a surge in studies investigating the role of the glutamatergic system in suicide, although it remains unclear. METHODS We evaluated changes in the gene expression of the metabotropic glutamate receptor 5 (mGluR5) and its scaffolding proteins Homer1a and p11 in the dorsolateral prefrontal cortex (DLPFC), amygdala (AMY), and hippocampus (HIP) of 28 suicide decedents (S) (with no clinical psychiatric history or treatment with anxiolytics or antidepressants) and 26 controls (C) by real-time PCR (qPCR). Indeed, we measured BDNF gene expression and VGluT1 and VGAT immunoreactivities in the HIP by qPCR and immunohistochemistry, respectively. Cases and controls matched for age (C: 48.6 ± 11.6 years; S: 46.9 ± 14.5 years) and postmortem interval (PMI; C: 20.1 ± 13h; S: 16.9 ± 5h). RESULTS In DLPFC, S had lower p11 gene expression levels, but no differences were found in mGluR5 or Homer1a. In the AMY and HIP, mGluR5 and Homer1a were increased, p11 and BDNF were reduced. In the HIP, there were less VGAT-ir and more VGluT1-ir. LIMITATIONS Future studies are necessary to evaluate protein levels, and determine the cell types and potential compensatory mechanisms in a larger sample including S diagnosed with psychiatric disorders, females and different ethnicities. CONCLUSIONS This study identified significant alterations in mGluR5, Homer1a, p11, BDNF and excitatory/inhibitory balance in corticolimbic brain areas of S. These results further characterize the biological basis of suicide, contributing to the identification of potential biomarkers for suicide prevention.
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Affiliation(s)
- María S García-Gutiérrez
- Instituto de Neurociencias, Universidad Miguel Hernández-CSIC, Avda de Ramón y Cajal s/n, San Juan de Alicante 03550, Alicante, Spain; Red de Investigación en Atención Primaria de Adicciones, Instituto de Salud Carlos III, MICINN and FEDER, Madrid, Spain; Instituto de Investigación Sanitaria y Biomédica de Alicante (ISABIAL), Alicante, Spain
| | - Daniela Navarro
- Instituto de Neurociencias, Universidad Miguel Hernández-CSIC, Avda de Ramón y Cajal s/n, San Juan de Alicante 03550, Alicante, Spain; Red de Investigación en Atención Primaria de Adicciones, Instituto de Salud Carlos III, MICINN and FEDER, Madrid, Spain; Instituto de Investigación Sanitaria y Biomédica de Alicante (ISABIAL), Alicante, Spain
| | - Abraham B Torregrosa
- Instituto de Neurociencias, Universidad Miguel Hernández-CSIC, Avda de Ramón y Cajal s/n, San Juan de Alicante 03550, Alicante, Spain; Red de Investigación en Atención Primaria de Adicciones, Instituto de Salud Carlos III, MICINN and FEDER, Madrid, Spain; Instituto de Investigación Sanitaria y Biomédica de Alicante (ISABIAL), Alicante, Spain
| | | | - Salvador Giner
- Instituto de Medicina Legal, Avenida Aguilera 53, 03007, Alicante, Spain
| | - Jorge Manzanares
- Instituto de Neurociencias, Universidad Miguel Hernández-CSIC, Avda de Ramón y Cajal s/n, San Juan de Alicante 03550, Alicante, Spain; Red de Investigación en Atención Primaria de Adicciones, Instituto de Salud Carlos III, MICINN and FEDER, Madrid, Spain; Instituto de Investigación Sanitaria y Biomédica de Alicante (ISABIAL), Alicante, Spain.
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Farcas A, Hindmarch C, Iftene F. BDNF gene Val66Met polymorphisms as a predictor for clinical presentation in schizophrenia - recent findings. Front Psychiatry 2023; 14:1234220. [PMID: 37886115 PMCID: PMC10598753 DOI: 10.3389/fpsyt.2023.1234220] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/03/2023] [Accepted: 09/25/2023] [Indexed: 10/28/2023] Open
Abstract
Schizophrenia is a highly heritable, severe psychiatric disorder that involves dysfunctions in thinking, emotions, and behavior, with a profound impact on a person's ability to function normally in their daily life. Research efforts continue to focus on elucidating possible genetic underlying mechanisms of the disorder. Although the genetic loci identified to date to be significantly associated with schizophrenia risk do not represent disease-causing factors, each one of them could be seen as a possible incremental contributor. Considering the importance of finding new and more efficient pharmacological approaches to target the complex symptomatology of this disorder, in this scoping review, we are focusing on the most recent findings in studies aiming to elucidate the contribution of one of the genetic factors involved - the BDNF gene Val66Met polymorphisms. Here we performed a systematic search in Pubmed, Embase, and Web of Science databases with the search terms: (BDNF gene polymorphism) AND (schizophrenia) for articles published in the last 5 years. To be selected for this review, articles had to report on studies where genotyping for the BDNF Val66Met polymorphism was performed in participants diagnosed with schizophrenia (or schizophrenia spectrum disorders or first-episode psychosis). The search provided 35 results from Pubmed, 134 results from Embase, and 118 results from the Web of Science database. Twenty-two articles were selected to be included in this review, all reporting on studies where an implication of the BDNF Val66Met polymorphisms in the disorder's pathophysiology was sought to be elucidated. These studies looked at BDNF gene Val66Met polymorphism variants, their interactions with other genes of interest, and different facets of the illness. The Met/Met genotype was found to be associated with higher PANSS positive scores. Furthermore, Met/Met homozygous individuals appear to present with worse cognitive function and lower levels of serum BDNF. In the Val/Val genotype carriers, increased BDNF levels were found to correlate with weight gain under Risperidone treatment. However, due to heterogeneous results, the diversity in study populations and studies' small sample sizes, generalizations cannot be made. Our findings emphasize the need for further research dedicated to clarifying the role of gene polymorphisms in antipsychotic treatment to enhance specificity and efficacy in the treatment of schizophrenia.
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Affiliation(s)
- Adriana Farcas
- Centre for Neuroscience Studies, Queen’s University, Kingston, ON, Canada
- Providence Care Hospital, Kingston, ON, Canada
| | - Charles Hindmarch
- Department of Biomedical and Molecular Sciences, Queen’s University, Kingston, ON, Canada
- Department of Medicine, Queen’s University, Kingston, ON, Canada
- Queen’s Cardiopulmonary Unit, Translational Institute of Medicine, Queen’s University, Kingston, ON, Canada
| | - Felicia Iftene
- Centre for Neuroscience Studies, Queen’s University, Kingston, ON, Canada
- Providence Care Hospital, Kingston, ON, Canada
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Bahabry R, Hauser RM, Sánchez RG, Jago SS, Ianov L, Stuckey RJ, Parrish RR, Hoef LV, Lubin FD. Alterations in DNA 5-hydroxymethylation Patterns in the Hippocampus of an Experimental Model of Refractory Epilepsy. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.10.03.560698. [PMID: 37873276 PMCID: PMC10592907 DOI: 10.1101/2023.10.03.560698] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/25/2023]
Abstract
Temporal lobe epilepsy (TLE) is a type of focal epilepsy characterized by spontaneous recurrent seizures originating from the hippocampus. The epigenetic reprogramming hypothesis of epileptogenesis suggests that the development of TLE is associated with alterations in gene transcription changes resulting in a hyperexcitable network in TLE. DNA 5-methylcytosine (5-mC) is an epigenetic mechanism that has been associated with chronic epilepsy. However, the contribution of 5-hydroxymethylcytosine (5-hmC), a product of 5-mC demethylation by the Ten-Eleven Translocation (TET) family proteins in chronic TLE is poorly understood. 5-hmC is abundant in the brain and acts as a stable epigenetic mark altering gene expression through several mechanisms. Here, we found that the levels of bulk DNA 5-hmC but not 5-mC were significantly reduced in the hippocampus of human TLE patients and in the kainic acid (KA) TLE rat model. Using 5-hmC hMeDIP-sequencing, we characterized 5-hmC distribution across the genome and found bidirectional regulation of 5-hmC at intergenic regions within gene bodies. We found that hypohydroxymethylated 5-hmC intergenic regions were associated with several epilepsy-related genes, including Gal , SV2, and Kcnj11 and hyperdroxymethylation 5-hmC intergenic regions were associated with Gad65 , TLR4 , and Bdnf gene expression. Mechanistically, Tet1 knockdown in the hippocampus was sufficient to decrease 5-hmC levels and increase seizure susceptibility following KA administration. In contrast, Tet1 overexpression in the hippocampus resulted in increased 5-hmC levels associated with improved seizure resiliency in response to KA. These findings suggest an important role for 5-hmC as an epigenetic regulator of epilepsy that can be manipulated to influence seizure outcomes.
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de la Puente B, Zamanillo D, Romero L, Carceller A, Vela JM, Merlos M, Portillo-Salido E. Resilience to Pain-Related Depression in σ 1 Receptor Knockout Mice Is Associated with the Reversal of Pain-Induced Brain Changes in Affect-Related Genes. ACS Chem Neurosci 2023; 14:3714-3725. [PMID: 37738096 DOI: 10.1021/acschemneuro.3c00502] [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] [Indexed: 09/24/2023] Open
Abstract
Mice lacking the σ1 receptor chaperone (σ1R-/-) are resilient to depressive-like behaviors secondary to neuropathic pain. Examining the resilience's brain mechanisms could help develop conceptually novel therapeutic strategies. We explored the diminished motivation for a natural reinforcer (white chocolate) in the partial sciatic nerve ligation (PSNL) model in wild-type (WT) and σ1R-/- mice. In the same mice, we performed a comprehensive reverse transcription quantitative PCR (qPCR) analysis across ten brain regions of seven genes implicated in pain regulation and associated affective disorders, such as anxiety and depression. PSNL induced anhedonic-like behavior in WT but not in σ1R-/- mice. In WT mice, PSNL up-regulated dopamine transporter (DAT) and its rate-limiting enzyme, tyrosine hydroxylase (Th), in the ventral tegmental area (VTA) and periaqueductal gray (PAG) as well as the serotonin transporters (SERT) and its rate-limiting enzyme tryptophan hydroxylase 2 (Tph2) in VTA. In addition, μ-opioid receptor (MOR) and σ1R were up-regulated in PAG, and MOR was also elevated in the somatosensory cortex (SS) but down-regulated in the striatum (STR). Finally, increased BDNF was found in the medial prefrontal cortex (mPFC) and hypothalamus (HPT). Sham surgery also produced PSNL-like expression changes in VTA, HPT, and STR. Genetic deletion of the σ1R in mice submitted to PSNL or sham surgery prevented changes in the expression of most of these genes. σ1R is critically involved in the supraspinal gene expression changes produced by PSNL and sham surgery. The changes in gene expression observed in WT mice may be related to pain-related depression, and the absence of these changes observed in σ1R-/- mice may be related to resilience.
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Affiliation(s)
| | - Daniel Zamanillo
- Welab Barcelona, Parc Científic de Barcelona, 08028 Barcelona, Spain
| | - Luz Romero
- Welab Barcelona, Parc Científic de Barcelona, 08028 Barcelona, Spain
| | - Alicia Carceller
- Welab Barcelona, Parc Científic de Barcelona, 08028 Barcelona, Spain
| | - José Miguel Vela
- Welab Barcelona, Parc Científic de Barcelona, 08028 Barcelona, Spain
| | - Manuel Merlos
- Welab Barcelona, Parc Científic de Barcelona, 08028 Barcelona, Spain
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Naumova AA, Oleynik EA, Grigorieva YS, Nikolaeva SD, Chernigovskaya EV, Glazova MV. In search of stress: analysis of stress-related markers in mice after hindlimb unloading and social isolation. Neurol Res 2023; 45:957-968. [PMID: 37642364 DOI: 10.1080/01616412.2023.2252280] [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: 03/14/2023] [Accepted: 08/20/2023] [Indexed: 08/31/2023]
Abstract
OBJECTIVES Hindlimb unloading (HU), widely used to simulate microgravity effects, is known to induce a stress response. However, as single-housed animals are usually used in such experiments, social isolation (SI) stress can affect experimental results. In the present study, we aimed to delineate stressful effects of 3-day HU and SI in mice. METHODS Three animal groups, HU, SI, and group-housed (GH) control mice, were recruited. A comprehensive analysis of stress-related markers was performed using ELISA, western blotting, and immunohistochemistry. RESULTS Our results showed that blood corticosterone and activity of glucocorticoid receptors and cAMP response element-binding protein (CREB) in the hippocampus of SI and HU animals did not differ from GH control. However, SI mice demonstrated upregulation of the hippocampal corticotropin-releasing hormone (CRH), inducible NO synthase (iNOS), vesicular glutamate transporter 1 (VGLUT1), and glutamate decarboxylases 65/67 (GAD65/67) along with activation of Fos-related antigen 1 (Fra-1) in the amygdala confirming the expression of stress. In HU mice, the same increase in GAD65/67 and Fra-1 indicated the contribution of SI. The special HU effect was expressed only in neurogenesis attenuation. DISCUSSION Thus, our data indicated that 3-day HU could not be characterized as physiological stress, but SI stress contributed to the negative effects of HU.
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Affiliation(s)
- Alexandra A Naumova
- Sechenov Institute of Evolutionary Physiology and Biochemistry, The Russian Academy of Sciences, St. Petersburg, Russia
| | - Ekaterina A Oleynik
- Sechenov Institute of Evolutionary Physiology and Biochemistry, The Russian Academy of Sciences, St. Petersburg, Russia
- Institute of Lightweight Design and Structural Biomechanics, TU Wien, Vienna, Austria
| | - Yulia S Grigorieva
- Sechenov Institute of Evolutionary Physiology and Biochemistry, The Russian Academy of Sciences, St. Petersburg, Russia
| | - Svetlana D Nikolaeva
- Sechenov Institute of Evolutionary Physiology and Biochemistry, The Russian Academy of Sciences, St. Petersburg, Russia
| | - Elena V Chernigovskaya
- Sechenov Institute of Evolutionary Physiology and Biochemistry, The Russian Academy of Sciences, St. Petersburg, Russia
| | - Margarita V Glazova
- Sechenov Institute of Evolutionary Physiology and Biochemistry, The Russian Academy of Sciences, St. Petersburg, Russia
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Xiao L, Liu S, Wu Y, Huang Y, Tao S, Liu Y, Tang Y, Xie M, Ma Q, Yin Y, Dai M, Zhang M, Llamocca E, Gui H, Wang Q. The interactions between host genome and gut microbiome increase the risk of psychiatric disorders: Mendelian randomization and biological annotation. Brain Behav Immun 2023; 113:389-400. [PMID: 37557965 PMCID: PMC11258998 DOI: 10.1016/j.bbi.2023.08.003] [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: 03/28/2023] [Revised: 07/23/2023] [Accepted: 08/06/2023] [Indexed: 08/11/2023] Open
Abstract
BACKGROUND The correlation between human gut microbiota and psychiatric diseases has long been recognized. Based on the heritability of the microbiome, genome-wide association studies on human genome and gut microbiome (mbGWAS) have revealed important host-microbiome interactions. However, establishing causal relationships between specific gut microbiome features and psychological conditions remains challenging due to insufficient sample sizes of previous studies of mbGWAS. METHODS Cross-cohort meta-analysis (via METAL) and multi-trait analysis (via MTAG) were used to enhance the statistical power of mbGWAS for identifying genetic variants and genes. Using two large mbGWAS studies (7,738 and 5,959 participants respectively) and12 disease-specific studies from the Psychiatric Genomics Consortium (PGC), we performed bidirectional two-sample mendelian randomization (MR) analyses between microbial features and psychiatric diseases (up to 500,199 individuals). Additionally, we conducted downstream gene- and gene-set-based analyses to investigate the shared biology linking gut microbiota and psychiatric diseases. RESULTS METAL and MTAG conducted in mbGWAS could boost power for gene prioritization and MR analysis. Increases in the number of lead SNPs and mapped genes were witnessed in 13/15 species and 5/10 genera after using METAL, and MTAG analysis gained an increase in sample size equivalent to expanding the original samples from 7% to 63%. Following METAL use, we identified a positive association between Bacteroides faecis and ADHD (OR, 1.09; 95 %CI, 1.02-1.16; P = 0.008). Bacteroides eggerthii and Bacteroides thetaiotaomicron were observed to be positively associated with PTSD (OR, 1.11; 95 %CI, 1.03-1.20; P = 0.007; OR, 1.11; 95 %CI, 1.01-1.23; P = 0.03). These findings remained stable across statistical models and sensitivity analyses. No genetic liabilities to psychiatric diseases may alter the abundance of gut microorganisms.Using biological annotation, we identified that those genes contributing to microbiomes (e.g., GRIN2A and RBFOX1) are expressed and enriched in human brain tissues. CONCLUSIONS Our statistical genetics strategy helps to enhance the power of mbGWAS, and our genetic findings offer new insights into biological pleiotropy and causal relationship between microbiota and psychiatric diseases.
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Affiliation(s)
- Liling Xiao
- Mental Health Center and Psychiatric Laboratory, State Key Laboratory of Biotherapy, West China Hospital of Sichuan University, Chengdu, Sichuan, China; West China Brain Research Center, West China Hospital of Sichuan University, Chengdu, Sichuan, China; Sichuan Clinical Medical Research Center for Mental Disorders, Chengdu, Sichuan, China
| | - Siyi Liu
- Mental Health Center and Psychiatric Laboratory, State Key Laboratory of Biotherapy, West China Hospital of Sichuan University, Chengdu, Sichuan, China; West China Brain Research Center, West China Hospital of Sichuan University, Chengdu, Sichuan, China; Sichuan Clinical Medical Research Center for Mental Disorders, Chengdu, Sichuan, China
| | - Yulu Wu
- Mental Health Center and Psychiatric Laboratory, State Key Laboratory of Biotherapy, West China Hospital of Sichuan University, Chengdu, Sichuan, China; West China Brain Research Center, West China Hospital of Sichuan University, Chengdu, Sichuan, China; Sichuan Clinical Medical Research Center for Mental Disorders, Chengdu, Sichuan, China
| | - Yunqi Huang
- Mental Health Center and Psychiatric Laboratory, State Key Laboratory of Biotherapy, West China Hospital of Sichuan University, Chengdu, Sichuan, China; West China Brain Research Center, West China Hospital of Sichuan University, Chengdu, Sichuan, China; Sichuan Clinical Medical Research Center for Mental Disorders, Chengdu, Sichuan, China
| | - Shiwan Tao
- Mental Health Center and Psychiatric Laboratory, State Key Laboratory of Biotherapy, West China Hospital of Sichuan University, Chengdu, Sichuan, China; West China Brain Research Center, West China Hospital of Sichuan University, Chengdu, Sichuan, China; Sichuan Clinical Medical Research Center for Mental Disorders, Chengdu, Sichuan, China
| | - Yunjia Liu
- Mental Health Center and Psychiatric Laboratory, State Key Laboratory of Biotherapy, West China Hospital of Sichuan University, Chengdu, Sichuan, China; West China Brain Research Center, West China Hospital of Sichuan University, Chengdu, Sichuan, China; Sichuan Clinical Medical Research Center for Mental Disorders, Chengdu, Sichuan, China
| | - Yiguo Tang
- Mental Health Center and Psychiatric Laboratory, State Key Laboratory of Biotherapy, West China Hospital of Sichuan University, Chengdu, Sichuan, China; West China Brain Research Center, West China Hospital of Sichuan University, Chengdu, Sichuan, China; Sichuan Clinical Medical Research Center for Mental Disorders, Chengdu, Sichuan, China
| | - Min Xie
- Mental Health Center and Psychiatric Laboratory, State Key Laboratory of Biotherapy, West China Hospital of Sichuan University, Chengdu, Sichuan, China; West China Brain Research Center, West China Hospital of Sichuan University, Chengdu, Sichuan, China; Sichuan Clinical Medical Research Center for Mental Disorders, Chengdu, Sichuan, China
| | - Qianshu Ma
- Mental Health Center and Psychiatric Laboratory, State Key Laboratory of Biotherapy, West China Hospital of Sichuan University, Chengdu, Sichuan, China; West China Brain Research Center, West China Hospital of Sichuan University, Chengdu, Sichuan, China; Sichuan Clinical Medical Research Center for Mental Disorders, Chengdu, Sichuan, China
| | - Yubing Yin
- Mental Health Center and Psychiatric Laboratory, State Key Laboratory of Biotherapy, West China Hospital of Sichuan University, Chengdu, Sichuan, China; West China Brain Research Center, West China Hospital of Sichuan University, Chengdu, Sichuan, China; Sichuan Clinical Medical Research Center for Mental Disorders, Chengdu, Sichuan, China
| | - Minhan Dai
- Mental Health Center and Psychiatric Laboratory, State Key Laboratory of Biotherapy, West China Hospital of Sichuan University, Chengdu, Sichuan, China; West China Brain Research Center, West China Hospital of Sichuan University, Chengdu, Sichuan, China; Sichuan Clinical Medical Research Center for Mental Disorders, Chengdu, Sichuan, China
| | - Mengting Zhang
- Mental Health Center and Psychiatric Laboratory, State Key Laboratory of Biotherapy, West China Hospital of Sichuan University, Chengdu, Sichuan, China; West China Brain Research Center, West China Hospital of Sichuan University, Chengdu, Sichuan, China; Sichuan Clinical Medical Research Center for Mental Disorders, Chengdu, Sichuan, China
| | - Elyse Llamocca
- Center for Health Policy and Health Services Research, Henry Ford Health, Detroit, MI, USA
| | - Hongsheng Gui
- Center for Health Policy and Health Services Research, Henry Ford Health, Detroit, MI, USA; Behavioral Health Services and Psychiatry Research, Henry Ford Health, Detroit, MI, USA.
| | - Qiang Wang
- Mental Health Center and Psychiatric Laboratory, State Key Laboratory of Biotherapy, West China Hospital of Sichuan University, Chengdu, Sichuan, China; West China Brain Research Center, West China Hospital of Sichuan University, Chengdu, Sichuan, China; Sichuan Clinical Medical Research Center for Mental Disorders, Chengdu, Sichuan, China.
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Davis SL, Latimer M, Rice M. Biomarkers of Stress and Inflammation in Children. Biol Res Nurs 2023; 25:559-570. [PMID: 37010976 PMCID: PMC10626617 DOI: 10.1177/10998004231168805] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/04/2023]
Abstract
Background: Children are increasingly exposed to stressors that can affect their immune function. Given the possible negative effects of stress and inflammation on health, researchers need to use appropriate biomarkers to measure both the effects of stress and subsequent inflammatory responses. Purpose: The purpose of this paper is to briefly review stress and inflammatory pathways, identify biomarkers used to measure chronic stress and chronic inflammation particularly in children in clinical and community settings, and to discuss methodological considerations when measuring stress and inflammation in children. Discussion: Biomarkers of chronic stress can be classified as central, meaning they are made in the brain, or peripheral, meaning they are made in the peripheral tissues in response to central signals. The peripheral biomarker, cortisol, is most frequently used in the community setting. In addition, indirect measures, such as oxytocin, may complement the assessment of stress. Common biomarkers of chronic inflammation in children are C-reactive protein (CRP), TNF-α, and IL-6. Similarly, indirect biomarkers of chronic inflammation, such as IL-2 and IL-1β, may also be considered. Conclusions: Various types of specimens can be used to measure these biomarkers of stress and inflammation including blood, saliva, urine, sweat, hair, nails, and tears. Each type of specimen has different requirements for collection, storage, and assay. Future research would benefit from standardized biomarker levels across age and development in children and incorporation of other biomarkers.
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Affiliation(s)
- Sara L. Davis
- College of Nursing, University of South Alabama, Mobile, AL, USA
| | - Mary Latimer
- School of Medicine, Division of Cardiovascular Disease, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Marti Rice
- School of Nursing, University of Alabama at Birmingham, Birmingham, AL, USA
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49
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Rafie F, Rajizadeh MA, Shahbazi M, Pourranjbar M, Nekouei AH, Sheibani V, Peterson D. Effects of voluntary, and forced exercises on neurotrophic factors and cognitive function in animal models of Parkinson's disease. Neuropeptides 2023; 101:102357. [PMID: 37393777 DOI: 10.1016/j.npep.2023.102357] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/26/2023] [Revised: 06/04/2023] [Accepted: 06/25/2023] [Indexed: 07/04/2023]
Abstract
BACKGROUND Parkinson's disease (PD) is one of the most common neurodegenerative diseases in the elderly. Cognitive dysfunction represents a common and challenging non-motor symptom for people with Parkinson's disease. The number of neurotrophic proteins in the brain is critical in neurodegenerative diseases such as Parkinson's. This research aims to compare the effects of two types of exercise, forced and voluntary, on spatial memory and learning and neurochemical factors (CDNF and BDNF). METHODS In this research, 60 male rats were randomly divided into six groups (n = 10): the control (CTL) group without exercise, the Parkinson's groups without and with forced (FE) and voluntary (VE) exercises, and the sham groups (with voluntary and forced exercise). The animals in the forced exercise group were placed on the treadmill for four weeks (five days a week). At the same time, voluntary exercise training groups were placed in a special cage equipped with a rotating wheel. At the end of 4 weeks, learning and spatial memory were evaluated with the Morris water maze test. BDNF and CDNF protein levels in the hippocampus were measured by the ELISA method. RESULTS The results showed that although the PD group without exercise was at a significantly lower level than other groups in terms of cognitive function and neurochemical factors, both types of exercise, could improve these problems. CONCLUSION According to our results, 4 weeks of voluntary and forced exercises were all found to reverse the cognitive impairments of PD rats.
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Affiliation(s)
- Forouzan Rafie
- Health Solutions, College of (CHS), Arizona State University, Phoenix, AZ, USA; Neuroscience Research Centre, Institute of Neuropharmacology, Kerman University of Medical Sciences, Kerman, Iran.
| | - Mohammad Amin Rajizadeh
- Physiology Research Center, Institute of Neuropharmacology, Kerman University of Medical Sciences, Kerman, Iran
| | - Mehdi Shahbazi
- Department of Physical Education & Exercise Science, Tehran University, Tehran, Iran
| | - Mohammad Pourranjbar
- Neuroscience Research Centre, Institute of Neuropharmacology, Kerman University of Medical Sciences, Kerman, Iran
| | - Amir H Nekouei
- Department of Epidemiology and Biostatistics, School of Public Health, Kerman University of Medical Sciences, Kerman, Iran
| | - Vahid Sheibani
- Neuroscience Research Centre, Institute of Neuropharmacology, Kerman University of Medical Sciences, Kerman, Iran
| | - Daniel Peterson
- Health Solutions, College of (CHS), Arizona State University, Phoenix, AZ, USA; Pheonix VA Medical Center. Phoenix, AZ, USA
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50
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Pierce ZP, Black JM. Stress and Susceptibility: A Systematic Review of Prenatal Epigenetic Risks for Developing Post-Traumatic Stress Disorder. TRAUMA, VIOLENCE & ABUSE 2023; 24:2648-2660. [PMID: 35714974 DOI: 10.1177/15248380221109792] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
This review aims to systematically assess the current literature about prenatal epigenetic markers that lead to post-traumatic stress disorder susceptibility across the lifespan. Studies included in this review met several research criteria: Studies included (1) participants with a PTSD diagnosis according to the DSM-5, (2) prenatal epigenetic marker data that could be analyzed, and (3) explicit references to postnatal PTSD susceptibility. Our study sample fit within a timeframe of 2002 (the earliest recorded studies of prenatal susceptibility to post-traumatic stress disorder in the databases used) and February 2021 when the literature search for this review was terminated. Studies for this review were collated from PubMed, MEDLINE, Science Direct, and Boston College School of Social Work Library databases. A systematic search was conducted in these databases using basic keyword terms, such as "PSTD resilience" and "PTSD vulnerability," and then adding clarifying terms to refine specific searches, such as "epigenetics," "genetics," "epigenetic markers," "haplotypes," and "mRNA methylation." Based on these criteria and research methods, 33 studies remained for inclusion in the review sample. This review suggests that BDNF Val66-Met, a polymorphism of FKBP5, and an altered messenger ribonucleic acid methylation marker in NR3C1 present most often in cases of PTSD. These epigenetic markers might be implicated in central neurological processes related to post-traumatic stress disorder symptomatology.
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Affiliation(s)
- Zachary P Pierce
- School of Social Work, Boston College, Chestnut Hill, MA, USA
- The Cell to Society Laboratory, School of Social Work, Boston College, Chestnut Hill, MA, USA
| | - Jessica M Black
- School of Social Work, Boston College, Chestnut Hill, MA, USA
- The Cell to Society Laboratory, School of Social Work, Boston College, Chestnut Hill, MA, USA
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