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Neuropsychobiology

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https://www.readbyqxmd.com/read/28700991/strain-differences-and-effects-of-environmental-manipulation-on-astrocytes-glial-fibrillary-acidic-protein-glucocorticoid-receptor-and-microglia-iba1-immunoreactivity-between-wistar-kyoto-and-wistar-females
#1
Guergana R Mileva, Carinna Moyes, Shaezeen Syed, Catherine Bielajew
BACKGROUND: Depression is often associated with an increase in hypothalamic-pituitary-adrenal (HPA) axis reactivity and immune response. To investigate this relationship, we examined the consequences of environmental manipulation on the neural correlates of the HPA axis and immune response in an animal model of depression, the Wistar-Kyoto (WKY) rat. Additionally, female animals are often overlooked in preclinical research because of the hormone fluctuations inherent in the estrous cycle...
July 13, 2017: Neuropsychobiology
https://www.readbyqxmd.com/read/28178693/abstracts-of-award-winning-posters-16th-international-forum-on-mood-and-anxiety-disorders-rome-december-8-10-2016
#2
(no author information available yet)
No abstract text is available yet for this article.
February 9, 2017: Neuropsychobiology
https://www.readbyqxmd.com/read/28637048/use-of-light-therapy-by-office-based-physicians
#3
Edda Winkler-Pjrek, Marie Spies, Pia Baldinger-Melich, Lisa Perkmann, Siegfried Kasper, Dietmar Winkler
BACKGROUND: Light therapy (LT) is a non-pharmacological biological treatment that has been used in psychiatry since the 1980s. Previous research has investigated the usage of LT in hospitals. The aim of this study was to examine the pattern of use of LT by office-based physicians. METHODS: A questionnaire was sent by mail to 400 randomly selected doctors in Austria. We made sure that the sample was equally representative of general practitioners (GPs) and psychiatrists, public health service doctors and private doctors, physicians in cities and in the country as well as male and female doctors...
2016: Neuropsychobiology
https://www.readbyqxmd.com/read/28637044/depressed-patients-hospitalized-in-southeast-facing-rooms-are-discharged-earlier-than-patients-in-northwest-facing-rooms
#4
Krzysztof Gbyl, Helle Østergaard Madsen, Signe Dunker Svendsen, Paul Michael Petersen, Ida Hageman, Carlo Volf, Klaus Martiny
BACKGROUND AND AIM: Improvement in patients admitted to inpatient wards with severe depression is slow, and such patients are often discharged with residual symptoms which put them at risk for relapse. New treatments that can speed up recovery are highly desired. This naturalistic follow-up study in a specialized affective disorders unit investigated the impact of daylight on the length of hospital stay and improvement of depression. METHODS: For a period of 1 year, we collected data on sociodemographics, length of stay, vitamin D, and depression severity for patients in an inpatient affective disorders unit...
2016: Neuropsychobiology
https://www.readbyqxmd.com/read/28637043/editorial
#5
Anna Wirz-Justice, Mirjam Münch
No abstract text is available yet for this article.
2016: Neuropsychobiology
https://www.readbyqxmd.com/read/28637035/is-there-a-relationship-between-vegetarianism-and-seasonal-affective-disorder-a-pilot-study
#6
Alie N R Meesters, Mirkka Maukonen, Timo Partonen, Satu Männistö, Marijke C M Gordijn, Ybe Meesters
BACKGROUND AND AIM: Seasonal patterns of food intake are found in healthy individuals and particularly in patients with seasonal affective disorder (SAD). One nutritional choice is a vegetarian diet. METHODS: In a Finnish population study, FINRISK 2012, information about diet and SAD was collected. In a Dutch outpatient clinic, SAD patients were asked if they were vegetarian. RESULTS: The percentage of SAD patients among Finnish vegetarians was 4 times higher than in the normal population...
2016: Neuropsychobiology
https://www.readbyqxmd.com/read/28637032/investigation-of-an-immediate-effect-of-bright-light-on-oxygen-consumption-heart-rate-cortisol-and-%C3%AE-amylase-in-seasonal-affective-disorder-subjects-and-healthy-controls
#7
Iana A Ivanova, Konstantin V Danilenko, Lyubomir I Aftanas
BACKGROUND: Body (fat) mass has been shown to decrease following bright light treatment for overweight women, irrespective of their seasonal (light) dependence. It is not known if this is due to an (immediate) increase of metabolism. METHODS: Ten women with seasonal affective disorder (SAD) and 10 non-SAD women matched by age, body mass index, and menopausal status participated in a laboratory study in the morning, twice within 1-5 days. During one session, bright light (4,300 lx) was presented for 30 min, and during the other session, red light (250 lx "placebo") was used...
2016: Neuropsychobiology
https://www.readbyqxmd.com/read/28637029/blue-enriched-morning-light-as-a-countermeasure-to-light-at-the-wrong-time-effects-on-cognition-sleepiness-sleep-and-circadian-phase
#8
Mirjam Münch, Claudia Nowozin, Johannes Regente, Frederik Bes, Jan De Zeeuw, Sven Hädel, Amely Wahnschaffe, Dieter Kunz
Light during the day and darkness at night are crucial factors for proper entrainment of the human circadian system to the solar 24-h day. However, modern life and work styles have led to much more time spent indoors, often with lower daytime and higher evening/nighttime light intensity from electrical lighting than outdoors. Whether this has long-term consequences for human health is being currently investigated. We tested if bright blue-enriched morning light over several days could counteract the detrimental effects of inadequate daytime and evening lighting...
2016: Neuropsychobiology
https://www.readbyqxmd.com/read/28637028/maximizing-outcome-in-light-treatment-patient-behavior-as-the-light-treatment-delivery-system
#9
Michael A Young
The effectiveness of light treatment depends on the treatment being properly received by the patient. Examination of the typical light treatment prescription shows that delivery of each component of the prescription consists of a behavior on the part of the patient. Light treatment delivery, and thus light treatment effectiveness, can be maximized by conceptualizing the treatment as a behavior change in the patient and by the application of well-established behavior change techniques.
2016: Neuropsychobiology
https://www.readbyqxmd.com/read/28531893/association-study-of-serotonin-3-receptor-subunit-gene-variants-in-antipsychotic-induced-weight-gain
#10
Clement C Zai, Arun K Tiwari, Nabilah I Chowdhury, Eva J Brandl, Sajid A Shaikh, Natalie Freeman, Jeffrey A Lieberman, Herbert Y Meltzer, James L Kennedy, Daniel J Müller
BACKGROUND: Schizophrenia (SCZ) is a chronic severe neuropsychiatric disorder, where pharmacological treatment has been hindered by adverse effects, including antipsychotic-induced weight gain (AIWG) and related complications. Genetic studies have been exploring the appetite regulation and energy homeostasis pathways in AIWG with some promising leads. The serotonin system has been shown to participate in these pathways. METHODS: In the current study, we examined single nucleotide polymorphisms across the serotonin receptor genes HTR3A and HTR3B...
2016: Neuropsychobiology
https://www.readbyqxmd.com/read/28494468/genes-involved-in-neurodevelopment-neuroplasticity-and-bipolar-disorder-cacna1c-chrna1-and-mapk1
#11
Marco Calabrò, Laura Mandelli, Concetta Crisafulli, Antonella Sidoti, Tae-Youn Jun, Soo-Jung Lee, Changsu Han, Ashwin A Patkar, Prakash S Masand, Chi-Un Pae, Alessandro Serretti
BACKGROUND: Bipolar disorder (BPD) is a common and severe mental disorder. The involvement of genetic factors in the pathophysiology of BPD is well known. In the present study, we tested the association of several single-nucleotide polymorphisms (SNPs) within 3 strong candidate genes (CACNA1C, CHRNA7, and MAPK1) with BPD. These genes are involved in monoamine-related pathways, as well as in dendrite development, neuronal survival, synaptic plasticity, and memory/learning. METHODS: One hundred and thirty-two subjects diagnosed with BPD and 326 healthy controls of Korean ancestry were genotyped for 40 SNPs within CACNA1C, CHRNA17, and MAPK1...
2016: Neuropsychobiology
https://www.readbyqxmd.com/read/28445888/differential-effects-of-inflammatory-and-psychosocial-stress-on-mood-hypothalamic-pituitary-adrenal-axis-and-inflammation-in-remitted-depression
#12
Peter Niemegeers, Peter De Boer, Glenn J H Dumont, Filip Van Den Eede, Erik Fransen, Stephan J Claes, Manuel Morrens, Bernard G C Sabbe
BACKGROUND/AIMS: Major depressive disorder (MDD) is highly recurrent. This may be due to increased stress sensitivity after remission. Both inflammatory and psychosocial stressors are implicated in the pathogenesis of MDD, but the additive or differential effect is unclear. METHODS: We conducted a single-blind placebo-controlled study to investigate the effects of inflammatory stress (i.e., typhoid vaccination), psychosocial stress (i.e., Trier Social Stress Test [TSST]), or a combination of both in women (25-45 years old) with (partially) remitted recurrent MDD (n = 21) and healthy female controls (n = 18)...
2016: Neuropsychobiology
https://www.readbyqxmd.com/read/28445878/differential-allelic-expression-of-htr1b-in-suicide-victims-genetic-and-epigenetic-effect-of-the-cis-acting-variants
#13
Ali Bani-Fatemi, Aaron Howe, Clement Zai, James L Kennedy, John Vincent, John Strauss, Albert Wong, Vincenzo De Luca
OBJECTIVES: In the present study, we tested the allelic imbalance of the C861G single nucleotide polymorphism (SNP) of HTR1B in the frontal cortex of suicide victims. METHODS: The study was conducted using 3 sets of samples. First, C861G allele-specific mRNA levels in the frontal cortex were compared between suicide (n = 13) and nonsuicide controls (n = 13) from the Stanley Medical Research postmortem brain collection. Second, we tested common variants in the HTR1B promoter for linkage disequilibrium (LD) with the C861G variant in an unrelated sample of suicide attempters (SA; n = 38) and non-SA (NSA; n = 42)...
2016: Neuropsychobiology
https://www.readbyqxmd.com/read/28441663/amygdalar-gray-matter-volume-and-social-relating-in-schizophrenia
#14
Vivien Günther, Christian Lindner, Udo Dannlowski, Harald Kugel, Thomas Suslow
BACKGROUND: Poor social relating is a prominent feature of schizophrenia. The amygdala has been suggested as an important node in social brain networks. METHODS: By using structural magnetic resonance imaging, this study examined, for the first time, the relationship between amygdalar gray matter (GM) volume and social relating in 35 schizophrenia patients. Social anhedonia, interaction anxiety, extraversion, and sociable tendencies were assessed as indices of social relating...
2016: Neuropsychobiology
https://www.readbyqxmd.com/read/28441648/the-epigenetic-regulation-of-gata4-dependent-brain-natriuretic-peptide-expression-during-alcohol-withdrawal
#15
Alexander Glahn, Mathias Rhein, Annemarie Heberlein, Marc Muschler, Johannes Kornhuber, Helge Frieling, Stefan Bleich, Thomas Hillemacher
OBJECTIVE: Natriuretic peptides participate in the collection of metabolic effects during alcohol withdrawal. Having witnessed modulation of other natriuretic peptides in alcohol-dependent patients during alcohol withdrawal, we were interested in the relation of brain natriuretic peptide (BNP) methylation with protein expression and craving in this longitudinal study. METHODS: Ninety-nine male patients were compared to 101 healthy controls concerning epigenetic regulation and protein expression during detoxification treatment...
2016: Neuropsychobiology
https://www.readbyqxmd.com/read/28343215/a-study-of-biological-rhythm-disturbances-in-polish-remitted-bipolar-patients-using-the-brian-csm-and-swpaq-scales
#16
Ewa Dopierala, Adrian Chrobak, Flavio Kapczinski, Michał Michalak, Anna Tereszko, Ewa Ferensztajn-Rochowiak, Dominika Dudek, Jan Jaracz, Marcin Siwek, Janusz K Rybakowski
BACKGROUND/AIMS: The Biological Rhythms Interview of Assessment in Neuropsychiatry (BRIAN) is a novel tool allowing for a complex assessment of biological rhythms. We compared patients with bipolar disorder (BD) and healthy control subjects (HC) using the Polish version of the BRIAN scale. METHOD: Fifty-four remitted BD patients (17 males and 37 females aged 52 ± 13 years) and 54 healthy control subjects (25 males and 29 females aged 42 ± 14 years) were studied...
2016: Neuropsychobiology
https://www.readbyqxmd.com/read/28334708/repetitive-transcranial-magnetic-stimulation-improved-symptoms-of-obsessive-compulsive-disorders-but-not-executive-functions-results-from-a-randomized-clinical-trial-with-crossover-design-and-sham-condition
#17
RANDOMIZED CONTROLLED TRIAL
Mehran Shayganfard, Leila Jahangard, Marzieh Nazaribadie, Mohammad Haghighi, Mohammad Ahmadpanah, Dena Sadeghi Bahmani, Hafez Bajoghli, Edith Holsboer-Trachsler, Serge Brand
OBJECTIVE: Whereas there is growing evidence that repetitive transcranial magnetic stimulation (rTMS) favorably impacts on symptoms of obsessive-compulsive disorders (OCD), less is known regarding the influence of rTMS on cognitive performance of patients with OCD. Here, we tested the hypothesis that rTMS has a positive impact both on symptom severity and executive functions in such patients. METHODS: We assessed 10 patients diagnosed with OCD (mean age: 33.5 years) and treated with a standard medication; they were randomly assigned either to a treatment-first or to a sham-first condition...
2016: Neuropsychobiology
https://www.readbyqxmd.com/read/28241130/nardostachys-jatamansi-targets-bdnf-trkb-to-alleviate-ketamine-induced-schizophrenia-like-symptoms-in-rats
#18
Anjali Janardhanan, Anjana Sadanand, Arambakkam Janardhanam Vanisree
OBJECTIVE: Schizophrenia, a common neurological disorder appearing in the late teens or early adulthood, is characterized by disorganized thinking, behaviour, and perception of emotions. Aberrant N-methyl-D-aspartate (NMDA) receptor-mediated synaptic plasticity is a major pathological event here due to dysfunction of dopamine and glutamate transmission at NMDA receptors. De-regulated brain-derived neurotrophic factor (BDNF), i.e., its signalling through the tropomyosin receptor kinase B (TrkB) receptor, is a major feature of schizophrenia...
2016: Neuropsychobiology
https://www.readbyqxmd.com/read/28190014/genetic-and-functional-study-of-l-type-amino-acid-transporter-1-in-schizophrenia
#19
Erika Comasco, Ravi Vumma, Simone Toffoletto, Jessica Johansson, Lena Flyckt, Tommy Lewander, Lars Oreland, Lars Bjerkenstedt, Dimitrios Andreou, Erik Söderman, Lars Terenius, Ingrid Agartz, Erik G Jönsson, Nikolaos Venizelos
Schizophrenia involves neural catecholaminergic dysregulation. Tyrosine is the precursor of catecholamines, and its major transporter, according to studies on fibroblasts, in the brain is the L-type amino acid transporter 1 (LAT1). The present study assessed haplotype tag single-nucleotide polymorphisms (SNPs) of the SLC7A5/LAT1 gene in 315 patients with psychosis within the schizophrenia spectrum and 233 healthy controls to investigate genetic vulnerability to the disorder as well as genetic relationships to homovanillic acid (HVA) and 3-methoxy-4-hydroxyphenylglycol (MHPG), the major catecholamine metabolites in the cerebrospinal fluid (CSF)...
2016: Neuropsychobiology
https://www.readbyqxmd.com/read/28190009/psychosocial-stress-induced-analgesia-an-examination-of-effects-on-heat-pain-threshold-and-tolerance-and-of-neuroendocrine-mediation
#20
Jens Gaab, Julia Jiménez, Livia Voneschen, Daniel Oschwald, Andrea H Meyer, Urs M Nater, Peter Krummenacher
Stress-induced analgesia (SIA) is an adaptive response of reduced nociception following demanding acute internal and external stressors. Although a psychobiological understanding of this phenomenon is of importance for stress-related psychiatric and pain conditions, comparably little is known about the psychobiological mechanisms of SIA in humans. The aim of this study was to investigate the effects of acute psychosocial stress on heat pain perception and its possible neuroendocrine mediation by salivary cortisol levels and α-amylase activity in healthy men...
2016: Neuropsychobiology
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