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https://www.readbyqxmd.com/read/28229156/protective-effect-of-isoliquiritin-against-corticosterone-induced-neurotoxicity-in-pc12-cells
#1
Yu-Zhi Zhou, Xiao Li, Wen-Xia Gong, Jun-Sheng Tian, Xiao-Xia Gao, Li Gao, Xiang Zhang, Guan-Hua Du, Xue-Mei Qin
Isoliquiritin, a flavonoid glycoside compound from licorice, possesses a broad spectrum of pharmacological activities including antioxidant, anti-inflammatory and anti-depression activities. However, the neuroprotective mechanisms of antidepressant effects remain unclear. In this study, the aim was to investigate the cytoprotective efficiency and potential mechanisms of isoliquiritin in corticosterone-damaged PC12 cells. The results of this study showed that pretreatment of PC12 cells with isoliquiritin significantly prevented corticosterone-induced cell apoptosis...
February 23, 2017: Food & Function
https://www.readbyqxmd.com/read/28212884/desipramine-decreases-expression-of-human-and-murine-indoleamine-2-3-dioxygenases
#2
Alexandra K Brooks, Tiffany M Janda, Marcus A Lawson, Jennifer L Rytych, Robin A Smith, Cecilia Ocampo-Solis, Robert H McCusker
Abundant evidence connects depression symptomology with immune system activation, stress and subsequently elevated levels of kynurenine. Anti-depressants, such as the tricyclic norepinephrine/serotonin reuptake inhibitor desipramine (Desip), were developed under the premise that increasing extracellular neurotransmitter level was the sole mechanism by which they alleviate depressive symptomologies. However, evidence suggests that anti-depressants have additional actions that contribute to their therapeutic potential...
February 16, 2017: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/28205135/apium-graveolens-extract-influences-mood-and-cognition-in-healthy-mice
#3
Phetcharat Boonruamkaew, Wanida Sukketsiri, Pharkphoom Panichayupakaranant, Wijittra Kaewnam, Supita Tanasawet, Varomyalin Tipmanee, Pilaiwanwadee Hutamekalin, Pennapa Chonpathompikunlert
Apium graveolens is a food flavoring which possesses various health promoting effects. This study investigates the effect of a sub-acute administration of A. graveolens on cognition and anti-depression behaviors via antioxidant and related neurotransmitter systems in mice brains. Cognition and depression was assessed by various models of behavior. The antioxidant system of glutathione peroxidase (GPx), % inhibition of superoxide anion (O2(-)), and lipid peroxidation were studied. In addition, neurochemical parameters including acetylcholinesterase (AChE) and monoamine oxidase-type A (MAO-A) were also evaluated...
February 15, 2017: Journal of Natural Medicines
https://www.readbyqxmd.com/read/28181668/nsi-189-a-small-molecule-with-neurogenic-properties-exerts-behavioral-and-neurostructural-benefits-in-stroke-rats
#4
Naoki Tajiri, David M Quach, Yuji Kaneko, Stephanie Wu, David Lee, Tina Lam, Ken L Hayama, Thomas G Hazel, Karl Johe, Michael C Wu, Cesar V Borlongan
Enhancing neurogenesis may be a powerful stroke therapy. Here, we tested in a rat model of ischemic stroke the beneficial effects of NSI-189, an orally active, new molecular entity (mol. wt. 366) with enhanced neurogenic activity, and indicated as an anti-depressant drug in a clinical trial (Fava et al., 2015) and being tested in a Phase 2 efficacy trial (ClinicalTrials.gov, 2016) for treatment of major depression. Oral administration of NSI-189 in adult Sprague-Dawley rats starting at 6 hours after middle cerebral artery occlusion, and daily thereafter over the next 12 weeks resulted in significant amelioration of stroke-induced motor and neurological deficits, which was maintained up to 24 weeks post-stroke...
February 9, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28159648/the-role-of-neuroimmune-signaling-in-alcoholism
#5
REVIEW
Fulton T Crews, Colleen J Lawrimore, T Jordan Walter, Leon G Coleman
Alcohol consumption and stress increase brain levels of known innate immune signaling molecules. Microglia, the innate immune cells of the brain, and neurons respond to alcohol, signaling through Toll-like receptors (TLRs), high-mobility group box 1 (HMGB1), miRNAs, pro-inflammatory cytokines and their associated receptors involved in signaling between microglia, other glia and neurons. Repeated cycles of alcohol and stress cause a progressive, persistent induction of HMGB1, miRNA and TLR receptors in brain that appear to underlie the progressive and persistent loss of behavioral control, increased impulsivity and anxiety, as well as craving, coupled with increasing ventral striatal responses that promote reward seeking behavior and increase risk of developing alcohol use disorders...
February 1, 2017: Neuropharmacology
https://www.readbyqxmd.com/read/28158270/developmental-time-course-and-effects-of-immunostressors-that-alter-hormone-responsive-behavior-on-microglia-in-the-peripubertal-and-adult-female-mouse-brain
#6
Mary K Holder, Jeffrey D Blaustein
In female mice, the experience of being shipped from the breeder facility or a single injection of the bacterial endotoxin, lipopolysaccharide (LPS), during pubertal development alters the behavioral response to estradiol in adulthood as demonstrated by perturbations of estradiol's effects on sexual behavior, cognitive function, as well as its anxiolytic and anti-depressive properties. Microglia, the primary type of immunocompetent cell within the brain, contribute to brain development and respond to stressors with marked and long-lasting morphological and functional changes...
2017: PloS One
https://www.readbyqxmd.com/read/28150005/gauging-circadian-variation-in-ketamine-metabolism-by-real-time-breath-analysis
#7
P Martinez-Lozano Sinues, M Kohler, S A Brown, R Zenobi, R Dallmann
The time-of-day of drug application is an important factor in maximizing efficacy and minimizing toxicity. Real-time in vivo mass spectrometric breath analysis of mice was deployed to investigate time-of-day variation in ketamine metabolism. Different production rates of ketamine metabolites, including the recently described anti-depressant hydroxynorketamine, were found in opposite circadian phases. Thus, breath analysis has potential as a rapid and 3Rs (Replacement, Reduction and Refinement) conforming screening method to estimate the time-dependence of drug metabolism...
February 14, 2017: Chemical Communications: Chem Comm
https://www.readbyqxmd.com/read/28143768/long-lasting-effects-of-fluoxetine-and-or-exercise-augmentation-on-bio-behavioural-markers-of-depression-in-pre-pubertal-stress-sensitive-rats
#8
Jacobus C Schoeman, Stephanus F Steyn, Brian H Harvey, Christiaan B Brink
Juvenile depression is of great concern with only limited treatment currently approved. Delayed onset of action, low remission and high relapse rates, and potential long-lasting consequences further complicates treatment and highlights the need for new treatment options. Studies reporting on long-lasting effects of early-life treatment have reported conflicting results, with the pre-adolescent period mostly overlooked. The anti-depressive effect of exercise, as a possible treatment option or augmentation strategy, is dependent on age and exercise intensity...
April 14, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/28130646/the-effect-of-mirtazapine-on-dopaminergic-psychosis-and-dyskinesia-in-the-parkinsonian-marmoset
#9
Adjia Hamadjida, Stephen G Nuara, Nicolas Veyres, Imane Frouni, Cynthia Kwan, Lamia Sid-Otmane, Mery-Jane Harraka, Jim C Gourdon, Philippe Huot
BACKGROUND: Parkinson's disease (PD) psychosis is encountered in as many as 50% of patients with advanced disease. Treatment options for PD psychosis are few. In fact, only clozapine and pimavanserin have shown efficacy in randomised controlled trials. Clinicians are often reluctant to prescribe the former, due to the risk of agranulocytosis, while the latter is not widely available yet. Because it is already clinically available and exhibits high affinity for serotonin 2A receptors, a target with which both clozapine and pimavanserin interact, we hypothesised that the anti-depressant mirtazapine might be effective to alleviate PD psychosis...
January 27, 2017: Psychopharmacology
https://www.readbyqxmd.com/read/28109109/-role-of-camp-creb-bdnf-signaling-pathway-in-anti-depressive-effect-of-vortioxetine-in-mice
#10
Hui Yu, Jia-Jia Chen, Bing-Qing Zeng, Qiu-Ping Zhong, Jiang-Ping Xu, Yong-Gang Liu
OBJECTIVE: To investigate the effects of vortioxetine on cAMP/CREB/BDNF signal pathway. METHODS: Forty Kunming mice were randomized into control group and chronic unpredictable mild stress (CUMS) group. After establishment of depressive models verified by sucrose preference test, the mice in CUMS group were divided into model group, fluoxetine group and vortioxetine group. The antidepressive effect of vortioxetine was analyzed by tail suspension test, forced swim test and open field test...
January 20, 2017: Nan Fang Yi Ke da Xue Xue Bao, Journal of Southern Medical University
https://www.readbyqxmd.com/read/28093374/predictors-of-pharmacological-intervention-in-adolescents-with-protracted-symptoms-after-sports-related-concussion
#11
Shanti M Pinto, Maria F Twichell, Luke C Henry
BACKGROUND: Though recovery after concussion is spontaneous and typically occurs within two to three weeks, a subset of adolescents develop persistent symptoms after a sports-related concussion. Medications are frequently prescribed as part of a comprehensive treatment approach to alleviate these symptoms; however, there are no guidelines for prescription of pharmacologic therapy after concussion. OBJECTIVE: To investigate common factors that are associated with the use of medications (anti-epileptic, anti-depressant, neurostimulant, or sleeping medication) during recovery from a sports-related concussion...
January 13, 2017: PM & R: the Journal of Injury, Function, and Rehabilitation
https://www.readbyqxmd.com/read/28078988/bdnf-nf-kb-signaling-in-the-neurobiology-of-depression
#12
Ariel Caviedes, Carlos Lafourcade, Claudio Soto, Ursula Wyneken
BACKGROUND: Mood disorders, consisting of unipolar and bipolar depression, are complex diseases characterized by depressed mood and anhedonia. These core symptoms are accompanied in a varying manner by anxiety, several neurovegetative symptoms and cognitive impairment. Mood disorders are characterized by decreases in neurogenesis, alteration in synaptic structure and synaptic transmission, all of them regulated by BDNF, a neurotrophin that performs multiple functions in the adult central nervous system...
January 11, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/28078250/effects-of-mimosa-pudica-l-leaves-extract-on-anxiety-depression-and-memory
#13
Ganesh Patro, Subrat Kumar Bhattamisra, Bijay Kumar Mohanty
OBJECTIVE: The present study was carried out to investigate the neuropharmacological activities of ethyl acetate extract of Mimosa pudica (EAMP) leaves on anxiety, depression and memory in a mouse model. MATERIALS AND METHODS: Anti-anxiety potential of EAMP was evaluated by elevated plus maze (EPM), light-dark box (LDB) and social interaction (SI) tests in mice.Anti-depressant potential of EAMP was evaluated by forced swimming (FST), tail suspension (TST), and open field tests (OFT)...
November 2016: Avicenna Journal of Phytomedicine
https://www.readbyqxmd.com/read/28075471/alterations-in-splenic-function-and-gene-expression-in-mice-with-depressive-like-behavior-induced-by-exposure-to-corticosterone
#14
Heqin Zhan, Feng Huang, Fulin Yan, Zhenghang Zhao, Jixia Zhang, Taizhen Cui, Fan Yang, Guangfan Hai, Xiaoman Jia, Yongji Shi
Depressed patients present with increased cortisol levels and attenuated immune responses. However, little is known about the association between depression and the spleen, as this is the largest peripheral immune organ. In this study, we examined alterations in splenic function and gene expression in mice with depressive-like behavior, well as the expression of certain proteins in related pathways. A mouse model of depression was established with the use of corticosterone. Splenic function and histopathology were assessed using Wright and H&E staining...
February 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28068285/vitamin-k2-improves-anxiety-and-depression-but-not-cognition-in-rats-with-metabolic-syndrome-a-role-of-blood-glucose
#15
Silvia M Gancheva, Maria D Zhelyazkova-Savova
BACKGROUND: The metabolic syndrome is a socially important disorder of energy utilization and storage, recognized as a factor predisposing to the development of depression, anxiety and cognitive impairment in humans. AIM: In the present study we examined the effects of vitamin K2 on the behavior of rats with metabolic syndrome and looked for relationships with the effects on blood sugar. MATERIALS AND METHODS: Male Wistar rats were divided in four groups: a control group on a regular rat chow, a metabolic syndrome (MS) group fed a high-fat high-fructose diet, a control group treated with vitamin K2 and a MS group treated with vitamin K2...
December 1, 2016: Folia Medica
https://www.readbyqxmd.com/read/28059131/dioscin-relieves-endotoxemia-induced-acute-neuro-inflammation-and-protect-neurogenesis-via-improving-5-ht-metabolism
#16
Rui Yang, Wei Chen, Ye Lu, Yingke Li, Hongli Du, Songyan Gao, Xin Dong, Hongbin Yuan
Sepsis, in addition to causing fatality, is an independent risk factor for cognitive impairment among sepsis survivors. The pathologic mechanism of endotoxemia induced acute neuro-inflammation still has not been fully understood. For the first time, we found the disruption of neurotransmitters 5-HT, impaired neurogenesis and activation of astrocytes coupled with concomitant neuro-inflammation were the potential pathogenesis of endotoxemia induced acute neuro-inflammation in sepsis survivors. In addition, dioscin a natural steroidal saponin isolated from Chinese medicinal herbs, enhanced the serotonergic system and produced anti-depressant effect by enhancing 5-HT levels in hippocampus...
January 6, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28041701/depression-and-chest-pain-in-patients-with-coronary-artery-disease
#17
Salim S Hayek, Yi-An Ko, Mosaab Awad, Andrea Del Mar Soto, Hina Ahmed, Keyur Patel, Michael Yuan, Spencer Maddox, Brandon Gray, Jamal Hajjari, Laurence Sperling, Amit Shah, Viola Vaccarino, Arshed A Quyyumi
BACKGROUND: Depression is common in patients with coronary artery disease (CAD) and is associated with more frequent chest pain. It is however unclear whether this is due to differences in underlying CAD severity. We sought to determine [1] whether depressive symptoms are associated with chest pain independently of CAD severity, [2] whether improvement in depressive symptoms over time is associated with improvement in chest pain and [3] whether the impact of revascularization on chest pain differs between patients with and without depression...
March 1, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28038848/social-psychogenic-stress-promotes-the-development-of-endometriosis-in-mouse
#18
Sun-Wei Guo, Qi Zhang, Xishi Liu
Exposure to chronic stress before and well after the induction of endometriosis is reported to increase lesion sizes in rats, but it is unclear whether stress, exposed shortly after the induction of endometriosis, would also promote the development of endometriosis, nor is it clear what the underlying possible molecular mechanism is. This study was undertaken to test the hypothesis that chronic stress can promote the development of endometriosis. A prospective randomized mouse experiment was conducted that subjected mice with induced endometriosis to predator stress...
December 16, 2016: Reproductive Biomedicine Online
https://www.readbyqxmd.com/read/28032516/symptoms-of-depression-and-their-relation-to-myocardial-infarction-and-periodontitis
#19
Barbro Kjellström, Anders Gustafsson, Eva Nordendal, Anna Norhammar, Åke Nygren, Per Näsman, Lars Rydén, Marie Åsberg
BACKGROUND: Psychosocial stress and depression are established risk factors for cardiovascular disease and a relationship to periodontitis has been suggested. We studied symptoms of depression and their relation to myocardial infarction and periodontitis. METHODS: In a Swedish case-control study, 805 patients, <75 years with a first myocardial infarction and 805 controls without myocardial infarction were matched for age, gender and geographic area. Mean age was 62±8 years and 81% were male...
December 1, 2016: European Journal of Cardiovascular Nursing
https://www.readbyqxmd.com/read/28027422/care-related-predictors-for-negative-intrusive-thoughts-after-prostate-cancer-diagnosis-data-from-the-prospective-lappro-trial
#20
Thordis Thorsteinsdottir, Heiddis Valdimarsdottir, Arna Hauksdottir, Johan Stranne, Ulrica Wilderäng, Eva Haglind, Gunnar Steineck
OBJECTIVE: Negative intrusive thoughts about one's prostate cancer have been associated with depressive mood and impaired quality of life among prostate cancer patients. However, little is known about possible predictors for negative intrusive thoughts among this group. We aimed to identify health- and care-related predictors for such thoughts among a population of men newly diagnosed with prostate cancer and undergoing radical prostatectomy. METHODS: In the LAPPRO-trial, 3154 men (80%) answered study-specific questionnaires at admission and three months after surgery...
December 27, 2016: Psycho-oncology
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