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https://www.readbyqxmd.com/read/28533149/prevalence-and-characteristics-of-catatonia-on-admission-to-an-acute-geriatric-psychiatry-ward
#1
Jorge Cuevas-Esteban, Maria Iglesias-González, Maria Rubio-Valera, Jordi Serra-Mestres, Antoni Serrano, Luisa Baladon
BACKGROUND: This study aims to describe the prevalence of catatonia in a population of older acute psychiatric inpatients according to different diagnostic criteria. Secondary objectives are: to compare the catatonic symptom profile, prevalence, and severity, in respect to the underlying aetiology, and to evaluate the association between catatonic and somatic comorbidity. METHODS: The study included 106 patients admitted to an acute geriatric psychiatry ward. Catatonia was assessed using the Bush Francis Catatonia Rating Scale (BFCRS)...
May 19, 2017: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/28530586/characterization-of-textural-rheological-thermal-microstructural-and-water-mobility-in-wheat-flour-dough-and-bread-affected-by-trehalose
#2
Bo Peng, Youqian Li, Shiyong Ding, Jun Yang
The study aims to elucidate the effects of trehalose on the mechanical, thermal, and rheological properties of wheat flour dough and water distribution in bread. Texture profile analysis, DSC, farinograph, extensograph, and frequency sweep were applied in dough. The results from SEM revealed that the gluten film became less notable with the presence of trehalose. The kinetics of staling process, low-field (1)H NMR, and water-binding capacity were employed to characterize physicochemical properties of bread...
October 15, 2017: Food Chemistry
https://www.readbyqxmd.com/read/28522734/voluntary-control-of-epileptiform-spike-wave-discharges-in-awake-rats
#3
Jeremy A Taylor, Krista M Rodgers, Florencia M Bercum, Carmen J Booth, F Edward Dudek, Daniel S Barth
Genetically inherited absence epilepsy in humans is typically characterized by brief (seconds) spontaneous seizures, which involve spike-wave discharges (SWDs) in the EEG and interruption of consciousness and ongoing behavior. Genetic (inbred) models of this disorder in rats have been used to examine mechanisms, comorbidities and anti-absence drugs. SWDs have also been proposed as models of complex partial seizures (CPSs) following traumatic brain injury (post-traumatic epilepsy; PTE). However, the ictal characteristics of these rat models, including SWDs and associated immobility, are also prevalent in healthy outbred laboratory rats...
May 17, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28521187/brain-antioxidant-effect-of-mirtazapine-and-reversal-of-sedation-by-its-combination-with-alpha-lipoic-acid-in-a-model-of-depression-induced-by-corticosterone
#4
Tatiana de Queiroz Oliveira, Caren Nádia Soares de Sousa, Germana Silva Vasconcelos, Luciene Costa de Sousa, Anneheydi Araújo de Oliveira, Cláudio Felipe Vasconcelos Patrocínio, Ingridy da Silva Medeiros, José Eduardo Ribeiro Honório Júnior, Michael Maes, Danielle Macedo, Silvânia Maria Mendes Vasconcelos
BACKGROUND: Depression is accompanied by activated neuro-oxidative and neuro-nitrosative pathways, while targeting these pathways has clinical efficacy in depression. This study aimed to investigate the effects of mirtazapine (MIRT) alone and combined with alpha-lipoic acid (ALA) against corticosterone (CORT) induced behavioral and oxidative alterations. METHODS: Male mice received vehicle or CORT 20mg/kg during 14 days. From the 15th to 21st days they were divided in groups administered: vehicle, MIRT 3mg/kg or the combinations MIRT+ALA100 or MIRT+ALA200...
May 11, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/28515684/selegiline-ameliorates-depression-like-behavior-in-mice-lacking-the-cd157-bst1-gene-a-risk-factor-for-parkinson-s-disease
#5
Satoka Kasai, Toru Yoshihara, Olga Lopatina, Katsuhiko Ishihara, Haruhiro Higashida
Parkinson's disease (PD), a neurodegenerative disorder, is accompanied by various non-motor symptoms including depression and anxiety, which may precede the onset of motor symptoms. Selegiline is an irreversible monoamine oxidase-B (MAO-B) inhibitor, and is widely used in the treatment of PD and major depression. However, there are few reports about the effects of selegiline on non-motor symptoms in PD. The aim of this study was to explore the antidepressant and anxiolytic effects of selegiline, using CD157/BST1 knockout (CD157 KO) mouse, a PD-related genetic model displaying depression and anxiety, compared with other antiparkinsonian drugs and an antidepressant, and was to investigate the effects of selegiline on biochemical parameters in emotion-related brain regions...
2017: Frontiers in Behavioral Neuroscience
https://www.readbyqxmd.com/read/28508204/rearing-by-foster-wistar-mother-with-high-level-of-maternal-care-counteracts-the-development-of-genetic-absence-epilepsy-and-comorbid-depression-in-wag-rij-rats
#6
K Yu Sarkisova, A V Gabova, M A Kulikov, E A Fedosova, A B Shatskova, A A Morosov
It has been shown for the first time that rearing by a foster Wistar mother with high level of maternal care (MC) counteracts the expression of genetic absence epilepsy (AE) and comorbid depression - reduces the number, duration and index of spike-wave discharges (SWDs) and immobility time in the forced swimming test, as well as exerts substantial effects on morphology and time-frequency dynamics of SWDs in WAG/Rij rats. It is supposed that increases in MC early in development might be used to counteract epileptogenesis and comorbid depression in people genetically predisposed to AE...
March 2017: Doklady Biological Sciences: Proceedings of the Academy of Sciences of the USSR, Biological Sciences Sections
https://www.readbyqxmd.com/read/28503523/treadmill-exercise-ameliorates-depressive-symptoms-through-increasing-serotonin-expression-in-postpartum-depression-rats
#7
Eun-Sang Ji, Jae-Min Lee, Tae-Woon Kim, You-Mi Kim, Yeon-Soo Kim, Kijeong Kim
Postpartum depression (PPD) is defined as the depressive symptoms that occur from the moment of delivery until 12 months after delivery. PPD symptoms are closely associated with reduced activity of the serotonergic system. Serotonin (5-hydroxytryptamine, 5-HT) plays an important role in the pathogenesis of depression. Tryptophan hydroxylase (TPH) catalyzes the rate-limiting step of 5-HT biosynthesis in the serotonergic neurons. Exercise exerts anti-depressive effect on depression patients as well as on animal models of depression...
April 2017: Journal of Exercise Rehabilitation
https://www.readbyqxmd.com/read/28503114/antidepressant-induced-dopamine-receptor-dysregulation-a-valid-animal-model-of-manic-depressive-illness
#8
REVIEW
Francesca Demontis, Francesca Serra, Gino Serra
BACKGROUND: Mania seems to be associated with an increased dopamine (DA) transmission. Antidepressant treatments can induce mania in humans and potentiated DA transmission in animals, by sensitizing DA D2 receptors in the mesolimbic system. We have suggested that the sensitization of D2 receptors may be responsible of antidepressant-induced mania. This review aims to report the experimental evidence that led to the hypothesis that antidepressant-induced DA receptors dysregulation can be considered an animal model of bipolar disorder...
April 2017: Current Neuropharmacology
https://www.readbyqxmd.com/read/28502731/the-influence-of-a-probiotic-supplementation-on-memory-in-quail-suggests-a-role-of-gut-microbiota-on-cognitive-abilities-in-birds
#9
Severine Parois, Ludovic Calandreau, Narjis Kraimi, Irène Gabriel, Christine Leterrier
The gut microbiota is involved in host behaviour and memory in mammals. Consequently, it may also influence emotional behaviour and memory in birds. Quail from two genetic lines with different fearfulness (LTI: long tonic immobility, n=37; STI: short tonic immobility, n=32) were either or not supplemented with a probiotic (Pediococcus acidilactici) from hatching. Emotional reactivity was measured in a tonic immobility test (d6 and 7 of age) and two open-field tests (d13 to 15; d22 to 24). Memory was measured in a test rewarded with mealworms, where quail had to remember the cups previously visited (d34 to 36)...
May 11, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/28500512/molecular-adaptations-to-social-defeat-stress-and-induced-depression-in-mice
#10
Natalya Bondar, Leonid Bryzgalov, Nikita Ershov, Fedor Gusev, Vasiliy Reshetnikov, Damira Avgustinovich, Mikhail Tenditnik, Evgeny Rogaev, Tatiana Merkulova
Chronic stress is a risk factor for major depression. Social defeat stress is a well-validated murine model of depression. However, little is known about the gene activity dynamics during the development of a depression-like state. We analyzed the effects of social defeat stress of varying duration (10 and 30 days) on the behavioral patterns and prefrontal-cortex transcriptome of C57BL/6 mice. The 10-day exposure to social defeat stress resulted in a high level of social avoidance with no signs of depression-associated behavior...
May 12, 2017: Molecular Neurobiology
https://www.readbyqxmd.com/read/28499898/antidepressant-drugs-for-beta-amyloid-induced-depression-a-new-standpoint
#11
Schiavone Stefania, Tucci Paolo, Mhillaj Emanuela, Bove Maria, Trabace Luigia, Morgese Maria Grazia
Mounting evidence suggests that depression represents a risk factor and an early manifestation of Alzheimer's disease (AD). Neuropsychiatric symptoms may derive from neurobiological changes in specific brain areas and may be considered prodromal of dementia. We have previously reported the depressive-like profile in rats receiving a single intracerebroventricular injection of soluble amyloid beta protein (ßA). Here, we verified the effect of different classes of antidepressants on the ßA-induced depressive behavior and on cortical monoamine levels...
May 9, 2017: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/28499312/evidence-for-the-involvement-of-monoaminergic-pathways-in-the-antidepressant-like-activity-of-cymbopogon-citratus-in-mice
#12
Solomon Umukoro, Somtochukwu I Ogboh, Osarume Omorogbe, Abdul-Lateef A Adekeye, Matthew O Olatunde
Objectives Depression is a complex neuropsychiatric disorder, which affects the quality of life of the sufferers and treatment approach is associated with serious adverse effects and sometimes therapeutic failures. Cymbopogon citratus leaf (CC) has been reported to exert anti-depressant effect but its mechanism of action is yet to be elucidated hence, the need for this study. Methods The anti-depressant-like effect of Cymbopogon citratus aqueous leaf was evaluated using forced swim test (FST), tail suspension test (TST) and yohimbine-induced lethality test (YLT) in aggregated mice...
May 12, 2017: Drug Research
https://www.readbyqxmd.com/read/28488329/phosphodiesterase-1b-deletion-confers-depression-like-behavioral-resistance-separate-from-stress-related-effects-in-mice
#13
Jillian R Hufgard, Michael T Williams, Charles V Vorhees
Phosphodiesterase-1b (Pde1b) is highly expressed in striatum, dentate gyrus, CA3, and substantia nigra. In a new Floxed Pde1b x Cre(CMV) global knock-out (KO) mouse model we show an immobility resistance phenotype that recapitulates that found in constitutive Pde1b KO mice. We use this new mouse model to show that the resistance to acute stress-induced depression-like phenotype is not the product of changes in locomotor activity or reactivity to other stressors (learned helplessness, novelty suppressed feeding, or dexamethasone suppression), and is not associated with anhedonia using the sucrose preference test...
May 10, 2017: Genes, Brain, and Behavior
https://www.readbyqxmd.com/read/28485406/inducing-a-long-term-potentiation-in-the-dentate-gyrus-is-sufficient-to-produce-rapid-antidepressant-like-effects
#14
A Kanzari, C Bourcier-Lucas, A Freyssin, D N Abrous, N Haddjeri, G Lucas
Recent hypotheses propose that one prerequisite to obtain a rapid antidepressant (AD) effect would reside in processes of synaptic reinforcement occurring within the dentate gyrus (DG) of the hippocampus independently from neurogenesis. However, to date no relationship has been established between an increased DG synaptic plasticity, and rapid AD-like action. To the best of our knowledge, this study shows for the first time that inducing a long-term potentiation (LTP) within the DG by stimulating the perforant pathway (PP) is sufficient to induce such effects...
May 9, 2017: Molecular Psychiatry
https://www.readbyqxmd.com/read/28484939/a-systematic-review-of-mobility-immobility-in-thromboembolism-risk-assessment-models-for-hospitalized-patients
#15
REVIEW
Fan Ye, Carolyn Stalvey, Matheen A Khuddus, David E Winchester, Hale Z Toklu, Joseph J Mazza, Steven H Yale
Hospitalized patients are at risk of venous thromboembolism (VTE) and prophylaxis is often suboptimal due to difficulty in identifying at-risk patients. Simple and validated risk-assessment models (RAMs) are available to assist clinicians in identifying patients who have a high risk for developing VTE. Despite the well-documented association of immobility with increased risk of thrombosis, immobility is not consistently defined in clinical studies. We conducted a systematic review of published VTE RAMs and used objective criteria to determine how the term immobility is defined in RAMs...
May 8, 2017: Journal of Thrombosis and Thrombolysis
https://www.readbyqxmd.com/read/28483022/expression-of-disrupted-in-schizophrenia-1-in-hippocampus-in-postpartum-depression-animal-models-induced-by-pre-pregnancy-stress
#16
Baomei Xia, Chang Chen, Hailou Zhang, Xin Zhou, Weiwei Tao, Haoxin Wu, Gang Chen
Objective To establish a postpartum depression animal model induced by pre-pregnancy stress,assess abnormal maternal depressive-like behavior,observe the expression of disrupted-in-schizophrenia 1 (DISC1) in the hippocampus,and detect serum estradiol and corticosterone.Methods A total of 32 female Balb/c were assigned to two groups using random number table:the control group and the pre-pregnancy stressed group(model group),and the model group was subjected to 3 weeks of chronic restraint stress. After the last stressor,the control group and the model group were housed with a male...
April 20, 2017: Zhongguo Yi Xue Ke Xue Yuan Xue Bao. Acta Academiae Medicinae Sinicae
https://www.readbyqxmd.com/read/28482507/a-review-of-tio2-nts-on-ti-metal-electrochemical-synthesis-functionalization-and-potential-use-as-bone-implants
#17
REVIEW
Nasser K Awad, Sharon L Edwards, Yosry S Morsi
Degenerative diseases of bone such as osteoarthritis and osteoporosis can lead to bone fractures and immobility, compromising quality of life. Titanium (Ti)-based implants have been intensively investigated for bone repair, with these implants, demonstrating improved outcomes compared to stainless steel and cobalt-chrome alloys, owing to superior mechanical properties and biocompatibility. However, osseointegration between the Ti-based implants and the surrounding bone tissue needs to be improved. Surface modification of Ti-based implants provides a solution for addressing this, with electrochemical anodization becoming a realistic approach for the fabrication of hierarchical structured for example nanotubes (NTs), implant surfaces...
July 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28482013/hydrogen-sulfide-inhibits-chronic-unpredictable-mild-stress-induced-depressive-like-behavior-by-upregulation-of-sirt-1-involvement-in-suppression-of-hippocampal-endoplasmic-reticulum-stress
#18
Shu-Yun Liu, Dan Li, Hai-Ying Zeng, Li-Yuan Kan, Wei Zou, Ping Zhang, Hong-Feng Gu, Xiao-Qing Tang
Background: Hydrogen sulfide (H2S) is a crucial signaling molecule with a wide range of physiological functions. Previously, we have confirmed that stress-induced depression is accompanied with disturbance of H2S generation in hippocampus. The present work attempted to investigate the inhibitory effect of H2S on chronic unpredictable mild stress (CUMS)-induced depressive-like behaviors and the underlying mechanism. Methods: We established the rat model of CUMS to simulate depression...
May 6, 2017: International Journal of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28480425/behavioral-evidence-of-antidepressant-like-activity-of-raphanus-sativus-l-var-caudatus-in-mice
#19
Ishrat Younus, And Afshan Siddiq
BACKGROUND: Currently-available antidepressant agents produce various adverse effects, and are expensive. At present, various plants are being evaluated for their possible role against numerous diseases, and no doubt, the role of traditional and complementary medicines in the development of effective therapy is incredible. The present study was designed to evaluate antidepressant-like activity of Raphanus sativus L. Var. caudatus at different doses in mice. MATERIALS AND METHODS: Antidepressant potential of ethanolic extract of Raphanus caudatus L...
2017: African Journal of Traditional, Complementary, and Alternative Medicines: AJTCAM
https://www.readbyqxmd.com/read/28472953/protective-effects-of-carnosol-against-oxidative-stress-induced-brain-damage-by-chronic-stress-in-rats
#20
Saeed Samarghandian, Mohsen Azimi-Nezhad, Abasalt Borji, Mohammad Samini, Tahereh Farkhondeh
BACKGROUND: Oxidative stress through chronic stress destroys the brain function. There are many documents have shown that carnosol may have a therapeutic effect versus free radical induced diseases. The current research focused the protective effect of carnosol against the brain injury induced by the restraint stress. METHODS: The restraint stress induced by keeping animals in restrainers for 21 consecutive days. Thereafter, the rats were injected carnosol or vehicle for 21 consecutive days...
May 4, 2017: BMC Complementary and Alternative Medicine
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