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BDNF mood disorders

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https://www.readbyqxmd.com/read/29141007/escitalopram-and-nht-normalized-stress-induced-anhedonia-and-molecular-neuroadaptations-in-a-mouse-model-of-depression
#1
Or Burstein, Motty Franko, Eyal Gale, Assaf Handelsman, Segev Barak, Shai Motsan, Alon Shamir, Roni Toledano, Omri Simhon, Yafit Hirshler, Gang Chen, Ravid Doron
Anhedonia is defined as a diminished ability to obtain pleasure from otherwise positive stimuli. Anxiety and mood disorders have been previously associated with dysregulation of the reward system, with anhedonia as a core element of major depressive disorder (MDD). The aim of the present study was to investigate whether stress-induced anhedonia could be prevented by treatments with escitalopram or novel herbal treatment (NHT) in an animal model of depression. Unpredictable chronic mild stress (UCMS) was administered for 4 weeks on ICR outbred mice...
2017: PloS One
https://www.readbyqxmd.com/read/29101600/normal-diet-vs-high-fat-diet-a-comparative-study-behavioral-and-neuroimmunological-changes-in-adolescent-male-mice
#2
Huali Wu, Qiongzhen Liu, Praveen Kumar Kalavagunta, Qiaoling Huang, Wenting Lv, Xiaohong An, Haijuan Chen, Tao Wang, Rakotomalala Manda Heriniaina, Tong Qiao, Jing Shang
Recent evidence has established that consumption of High-fat diet (HFD)-induced obesity is associated with deficits in hippocampus-dependent memory/learning and mood states. Nevertheless the link between obesity and emotional disorders still remains to be elucidated. This issue is of particular interest during adolescence, which is important period for shaping learning/memory and mood regulation that can be sensitive to the detrimental effects of HFD. Our present study is focused to investigate behavioral and metabolic influences of short-term HFD intake in adolescent C57BL/6 mice...
November 3, 2017: Metabolic Brain Disease
https://www.readbyqxmd.com/read/29075579/expression-of-bdnf-and-trkb-in-the-hippocampus-of-a-rat-genetic-model-of-vulnerability-roman-low-avoidance-and-resistance-roman-high-avoidance-to-stress-induced-depression
#3
M Pina Serra, Laura Poddighe, Marianna Boi, Francesco Sanna, M Antonietta Piludu, M Giuseppa Corda, Osvaldo Giorgi, Marina Quartu
INTRODUCTION: The selective breeding of Roman High- (RHA) and Low-Avoidance (RLA) rats for, respectively, rapid versus poor acquisition of the active avoidance response has generated two distinct phenotypes differing in many behavioral traits, including coping strategies to aversive conditions. Thus, RLA rats are considered as a genetic model of vulnerability to stress-induced depression whereas RHA rats are a model of resilience to that trait. Besides the monoamine hypothesis of depression, there is evidence that alterations in neuronal plasticity in the hippocampus and other brain areas are critically involved in the pathophysiology of mood disorders...
October 2017: Brain and Behavior
https://www.readbyqxmd.com/read/29075536/neural-plasticity-associated-with-hippocampal-pka-creb-and-nmda-signaling-is-involved-in-the-antidepressant-effect-of-repeated-low-dose-of-yueju-pill-on-chronic-mouse-model-of-learned-helplessness
#4
Zhilu Zou, Yin Chen, Qinqin Shen, Xiaoyan Guo, Yuxuan Zhang, Gang Chen
Yueju pill is a traditional Chinese medicine formulated to treat syndromes of mood disorders. Here, we investigated the therapeutic effect of repeated low dose of Yueju in the animal model mimicking clinical long-term depression condition and the role of neural plasticity associated with PKA- (protein kinase A-) CREB (cAMP response element binding protein) and NMDA (N-methyl-D-aspartate) signaling. We showed that a single low dose of Yueju demonstrated antidepressant effects in tests of tail suspension, forced swim, and novelty-suppressed feeding...
2017: Neural Plasticity
https://www.readbyqxmd.com/read/29073621/sexually-dimorphic-epigenetic-regulation-of-brain-derived-neurotrophic-factor-in-fetal-brain-in-the-valproic-acid-model-of-autism-spectrum-disorder
#5
Melissa A Konopko, Allison L Densmore, Bruce K Krueger
Prenatal exposure to the antiepileptic, mood-stabilizing drug, valproic acid (VPA), increases the incidence of autism spectrum disorders (ASDs); in utero administration of VPA to pregnant rodents induces ASD-like behaviors such as repetitive, stereotyped activity, and decreased socialization. In both cases, males are more affected than females. We previously reported that VPA, administered to pregnant mice at gestational day 12.5, rapidly induces a transient, 6-fold increase in BDNF (brain-derived neurotrophic factor) protein and mRNA in the fetal brain...
October 27, 2017: Developmental Neuroscience
https://www.readbyqxmd.com/read/29023633/bdnf-and-bmi-effects-on-brain-structures-of-bipolar-offspring-results-from-the-global-mood-and-brain-science-initiative
#6
R B Mansur, E Brietzke, R S McIntyre, B Cao, Y Lee, L Japiassú, K Chen, R Lu, W Lu, T Li, G Xu, K Lin
OBJECTIVE: To compare brain-derived neurotrophic factor (BDNF) levels between offspring of individuals with bipolar disorders (BD) and healthy controls (HCs) and investigate the effects of BDNF levels and body mass index (BMI) on brain structures. METHOD: Sixty-seven bipolar offspring and 45 HCs were included (ages 8-28). Structural images were acquired using 3.0 Tesla magnetic resonance imaging. Serum BDNF levels were measured using enzyme-linked immunosorbent assay...
December 2017: Acta Psychiatrica Scandinavica
https://www.readbyqxmd.com/read/29021832/pharmacogenomics-in-the-treatment-of-mood-disorders-strategies-and-opportunities-for-personalized-psychiatry
#7
REVIEW
Azmeraw T Amare, Klaus Oliver Schubert, Bernhard T Baune
Personalized medicine (personalized psychiatry in a specific setting) is a new model towards individualized care, in which knowledge from genomics and other omic pillars (microbiome, epigenomes, proteome, and metabolome) will be combined with clinical data to guide efforts to new drug development and targeted prescription of the existing treatment options. In this review, we summarize pharmacogenomic studies in mood disorders that may lay the foundation towards personalized psychiatry. In addition, we have discussed the possible strategies to integrate data from omic pillars as a future path to personalized psychiatry...
September 2017: EPMA Journal
https://www.readbyqxmd.com/read/28948700/daily-fluctuation-of-emotions-and-memories-thereof-design-and-methods-of-an-experience-sampling-study-of-major-depression-social-phobia-and-controls
#8
Andrew T Gloster, Marcel Miché, Hanna Wersebe, Thorsten Mikoteit, Jürgen Hoyer, Christian Imboden, Klaus Bader, Andrea H Meyer, Martin Hatzinger, Roselind Lieb
Symptom fluctuations and the dynamic contexts provoking these are poorly understood. This deficit is compounded by people's limited ability to accurately report about such dimensions in retrospect. Utilizing the advantages of experience sampling methodology (ESM), this study rigorously describes and tests proximal environmental, neurobiological and psychological factors associated with symptoms and mood states. Participants were assigned to three diagnostic groups: Major Depressive Disorder (MDD; n = 118), Social Phobia (SP; n = 47), or a Control Group without SP or MDD (CG; n = 119)...
September 2017: International Journal of Methods in Psychiatric Research
https://www.readbyqxmd.com/read/28939975/ketamine-induced-glutamatergic-mechanisms-of-sleep-and-wakefulness-insights-for-developing-novel-treatments-for-disturbed-sleep-and-mood
#9
Wallace C Duncan, Elizabeth D Ballard, Carlos A Zarate
Ketamine, a drug with rapid antidepressant effects and well-described effects on slow wave sleep (SWS), is a useful intervention for investigating sleep-wake mechanisms involved in novel therapeutics. The drug rapidly (within minutes to hours) reduces depressive symptoms in individuals with major depressive disorder (MDD) or bipolar disorder (BD), including those with treatment-resistant depression. Ketamine treatment elevates extracellular glutamate in the prefrontal cortex. Glutamate, in turn, plays a critical role as a proximal element in a ketamine-initiated molecular cascade that increases synaptic strength and plasticity, which ultimately results in rapidly improved mood...
September 23, 2017: Handbook of Experimental Pharmacology
https://www.readbyqxmd.com/read/28830794/regulation-of-gene-transcription-in-bipolar-disorders-role-of-dna-methylation-in-the-relationship-between-prodynorphin-and-brain-derived-neurotrophic-factor
#10
Claudio D'Addario, Maria Carlotta Palazzo, Beatrice Benatti, Benedetta Grancini, Mariangela Pucci, Andrea Di Francesco, Giulia Camuri, Daniela Galimberti, Chiara Fenoglio, Elio Scarpini, A Carlo Altamura, Mauro Maccarrone, Bernardo Dell'Osso
Bipolar Disorder (BD) is a prevalent and disabling condition, determined by gene-environment interactions, possibly mediated by epigenetic mechanisms. The present study aimed at investigating the transcriptional regulation of BD selected target genes by DNA methylation in peripheral blood mononuclear cells of patients with a DSM-5 diagnosis of type I (BD-I) and type II (BD-II) Bipolar Disorders (n=99), as well as of healthy controls (CT, n=42). The analysis of gene expression revealed prodynorphin (PDYN) mRNA levels significantly reduced in subjects with BD-II but not in those with BD-I, when compared to CT...
August 19, 2017: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/28802897/the-different-effects-of-lithium-and-tamoxifen-on-memory-formation-and-the-levels-of-neurotrophic-factors-in-the-brain-of-male-and-female-rats
#11
Samira S Valvassori, Cenita P Borges, Roger B Varela, Daniela V Bavaresco, Guilherme Bianchini, Edemilson Mariot, Camila O Arent, Wilson R Resende, Josiane Budni, João Quevedo
Lithium (Li) is a mood-stabilizing drug used in the treatment of bipolar disorder (BD). Recently, preclinical studies have demonstrated the potential of tamoxifen (TMX) in the treatment of acute episodes of BD. However, the prolonged use of TMX for mood disorders treatment is controversial. In this study, we evaluated the effects of TMX or Li on cognitive behavior, as well as the levels of neurotrophic factors in the brain of male and female rats. Male and female Wistar rats received administrations of water (control group), TMX or Li via gavage for a period of 28days; the rats were then subjected to the open-field test (to evaluate spontaneous locomotion), and the novel object recognition and step-down inhibitory avoidance tests (to evaluate cognition)...
August 9, 2017: Brain Research Bulletin
https://www.readbyqxmd.com/read/28783519/antimanic-activity-of-minocycline-in-a-gbr12909-induced-model-of-mania-in-mice-possible-role-of-antioxidant-and-neurotrophic-mechanisms
#12
Ana Isabelle G de Queiroz, Adriano José Maia Chaves Filho, Tatiane da Silva Araújo, Camila Nayane Carvalho Lima, Michel de Jesus Souza Machado, André F Carvalho, Silvania Maria Mendes Vasconcelos, David Freitas de Lucena, João Quevedo, Danielle Macedo
BACKGROUND: Mania/hypomania is the cardinal feature of bipolar disorder. Recently, single administration of the dopamine transporter (DAT) inhibitor, GBR12909, was related to mania-like alterations. In the present study we aimed at testing behavioral and brain oxidant/neurotrophic alterations induced by the repeated administration of GBR12909 and its prevention/reversal by the mood stabilizing drugs, lithium (Li) and valproate (VAL) as well as by the neuroprotective drug, minocycline (Mino)...
January 1, 2018: Journal of Affective Disorders
https://www.readbyqxmd.com/read/28752602/alterations-in-the-steroid-biosynthetic-pathways-in-the-human-prefrontal-cortex-in-mood-disorders-a-post-mortem-study
#13
Xin-Rui Qi, Sabina Luchetti, Ronald W H Verwer, Arja A Sluiter, Matthew R J Mason, Jiang-Ning Zhou, Dick F Swaab
Altered levels of steroids have been reported in the brain, cerebral spinal fluid and plasma of patients with mood disorders. Neuroimaging studies have reported both functional and structural alterations in mood disorders, for instance in the anterior cingulate cortex (ACC) and dorsolateral prefrontal cortex (DLPFC). In order to determine whether the endogenous production of steroids is altered in the ACC and DLPFC of patients with major depressive disorder (MDD) or bipolar disorder (BPD), quantitative real-time PCR was performed to detect mRNA expression level of key enzymes in the steroid biosynthetic pathways...
July 27, 2017: Brain Pathology
https://www.readbyqxmd.com/read/28711724/neurotrophic-and-inflammatory-markers-in-bipolar-disorder-a-prospective-study
#14
Seline van den Ameele, Violette Coppens, Jeroen Schuermans, Peter De Boer, Maarten Timmers, Erik Fransen, Bernard Sabbe, Manuel Morrens
Altered neurotrophic signaling is thought to impair neuroplasticity in bipolar disorder (BD). Brain-derived neurotrophic factor (BDNF) is proposed as a neurotrophic marker in BD. However, the current evidence for its use in monitoring disease activity and illness progression is conflicting and an exploration of additional neurotrophic markers is needed. This prospective case-control study investigated mood-specific changes in potential neurotrophic markers and their association to inflammatory activity. Patients with BD were included during an acute mood episode, either depressive (n=35) or (hypo)manic (n=32)...
July 5, 2017: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/28706476/long-term-sex-dependent-vulnerability-to-metabolic-challenges-in-prenatally-stressed-rats
#15
Pamela Panetta, Alessandra Berry, Veronica Bellisario, Sara Capoccia, Carla Raggi, Alessia Luoni, Linda Longo, Marco A Riva, Francesca Cirulli
Prenatal stress (PNS) might affect the developmental programming of adult chronic diseases such as metabolic and mood disorders. The molecular mechanisms underlying such regulations may rely upon long-term changes in stress-responsive effectors such as Brain-Derived Neurotrophic Factor (BDNF) that can affect neuronal plasticity underlying mood disorders and may also play a role in metabolic regulation. Based upon previous data, we hypothesized that PNS might lead to greater vulnerability to an obesogenic challenge experienced at adulthood...
2017: Frontiers in Behavioral Neuroscience
https://www.readbyqxmd.com/read/28705440/inhibition-of-trkb-at-the-nucleus-accumbens-using-ana-12-regulates-basal-and-stress-induced-orexin-a-expression-within-the-mesolimbic-system-and-affects-anxiety-sociability-and-motivation
#16
Idu Azogu, Helene Plamondon
Repeated stress exposure can lead to the development of anxiety and mood disorders. An emerging biological substrate of depression and associated pathology is the nucleus accumbens (NAc), which through interactions with limbic, cognitive and motor circuits can regulate a variety of stress responses. Within these circuits, orexin neurons are involved in arousal and stress adaptability, effects proposed mediated via brain-derived neurotrophic factor signaling. This study tested the hypotheses that 1) repeated exposure to heterotypic stress alters social ability and preference and passive avoidant behaviors, 2) TrkB receptors at the NAc shell regulates stress-induced behavioral responses and orexin expression within the mesocorticolimbic system...
July 11, 2017: Neuropharmacology
https://www.readbyqxmd.com/read/28670271/white-matter-tract-integrity-in-alzheimer-s-disease-vs-late-onset-bipolar-disorder-and-its-correlation-with-systemic-inflammation-and-oxidative-stress-biomarkers
#17
Ariadna Besga, Darya Chyzhyk, Itxaso Gonzalez-Ortega, Jon Echeveste, Marina Graña-Lecuona, Manuel Graña, Ana Gonzalez-Pinto
Background: Late Onset Bipolar Disorder (LOBD) is the development of Bipolar Disorder (BD) at an age above 50 years old. It is often difficult to differentiate from other aging dementias, such as Alzheimer's Disease (AD), because they share cognitive and behavioral impairment symptoms. Objectives: We look for WM tract voxel clusters showing significant differences when comparing of AD vs. LOBD, and its correlations with systemic blood plasma biomarkers (inflammatory, neurotrophic factors, and oxidative stress)...
2017: Frontiers in Aging Neuroscience
https://www.readbyqxmd.com/read/28583576/administration-of-huperzine-a-exerts-antidepressant-like-activity-in-a-rat-model-of-post-stroke-depression
#18
Yuan Du, Haiyue Liang, Leiming Zhang, Fenghua Fu
Post-stroke depression (PSD) is the most common mood disorder following a stroke, and is also the main factor limiting recovery and rehabilitation in stroke patients. The present study was aimed to investigate whether Huperzine A (HupA) has antidepressant-like activity in a rat model of PSD, which was developed by middle cerebral artery occlusion followed by an 18-day chronic unpredictable mild stress in conjunction with isolation rearing. The sucrose preference and forced swim tests were used to assess depression-like behavior...
July 2017: Pharmacology, Biochemistry, and Behavior
https://www.readbyqxmd.com/read/28550365/a-longitudinal-study-of-neurotrophic-oxidative-and-inflammatory-markers-in-first-onset-depression-in-midlife-women
#19
Matheus A Pasquali, Bernard L Harlow, Claudio N Soares, Michael W Otto, Lee S Cohen, Luciano Minuzzi, Daniel P Gelain, Jose Claudio F Moreira, Benicio N Frey
Prospective studies have shown during the years preceding and following menopause, also known as "menopause transition", that midlife women are at higher risk for developing first-onset major depressive disorder (MDD). The biological factors associated with risk and resilience in this population are, however, largely unknown. Considering the growing body of evidence suggesting that inflammation, oxidative stress, and brain-derived neurotrophic factor (BDNF) are associated with the pathophysiology of MDD, we investigated serum levels of protein carbonyl, lipid peroxidation (thiobarbituric acid reactive substances-TBARS), thiol group content, BDNF, 3-nitrotyrosine, and heat shock protein 70 (HSP70) in a longitudinal cohort of first-onset MDD...
May 26, 2017: European Archives of Psychiatry and Clinical Neuroscience
https://www.readbyqxmd.com/read/28544903/estrogen-receptor-%C3%AE-deficiency-impairs-bdnf-5-ht2a-signaling-in-the-hippocampus-of-female-brain-a-possible-mechanism-for-menopausal-depression
#20
Anindit Chhibber, Sarah K Woody, M A Karim Rumi, Michael J Soares, Liqin Zhao
Depression currently affects 350 million people worldwide and 19 million Americans each year. Women are 2.5 times more likely to experience major depression than men, with some women appearing to be at a heightened risk during the menopausal transition. Estrogen signaling has been implicated in the pathophysiology of mood disorders including depression; however, the underlying mechanisms are poorly understood. In this study, the role of estrogen receptor (ER) subtypes, ERα and ERβ, in the regulation of brain-derived neurotrophic factor (BDNF) and serotonin (5-HT) signaling was investigated; two pathways that have been hypothesized to be interrelated in the etiology of depression...
August 2017: Psychoneuroendocrinology
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