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Progress in Neuro-psychopharmacology & Biological Psychiatry

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https://www.readbyqxmd.com/read/28729118/hbk-14-and-hbk-15-triple-5-ht1a-5-ht7-and-5-ht3-antagonists-with-potent-antidepressant-and-anxiolytic-like-properties-increase-seizure-threshold-in-various-seizure-tests-in-mice
#1
Karolina Pytka, Katarzyna Socała, Anna Rapacz, Dorota Nieoczym, Mateusz Pieróg, Anna Gryboś, Agata Siwek, Anna Waszkielwicz, Piotr Wlaź
Most antidepressants lower seizure threshold, which might be due to the modulation of serotonergic neurotransmission. Here, we investigated the effects of two 5-HT1A, 5-HT7 and 5-HT3 antagonists, i.e., 1-[(2,6-dimethylphenoxy)ethoxyethyl]-4-(2-methoxyphenyl)piperazine hydrochloride (HBK-14) and 1-[(2-chloro-6-methylphenoxy)ethoxyethyl]-4-(2-methoxyphenyl)piperazine hydrochloride (HBK-15), with antidepressant- and anxiolytic-like properties, on seizure thresholds in three acute seizure tests, i.e., the intravenous pentylenetetrazole, maximal electroshock seizure threshold (MEST), and 6-Hz corneal stimulation test in mice...
July 17, 2017: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/28720466/antinociceptive-effects-of-huf-101-a-fluorinated-cannabidiol-derivative
#2
Nicole R Silva, Felipe V Gomes, Miriam D Fonseca, Raphael Mechoulam, Aviva Breuer, Thiago M Cunha, Francisco S Guimarães
Cannabidiol (CBD) is a phytocannabinoid with multiple pharmacological effects and several potential therapeutic properties. Its low oral bioavailability, however, can limit its clinical use. Preliminary results indicate that fluorination of the CBD molecule increases its pharmacological potency. Here, we investigated whether HUF-101 (3, 10, and 30mg/kg), a fluorinated CBD analogue, would induce antinociceptive effects. HUF-101 effects were compared to those induced by CBD (10, 30, and 90mg/kg) and the cannabinoid CB1/2 receptor agonist WIN55,212-2 (1, 3, and 5mg/kg)...
July 15, 2017: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/28716727/systematic-review-and-meta-analysis-links-autism-and-toxic-metals-and-highlights-the-impact-of-country-development-status-higher-blood-and-erythrocyte-levels-for-mercury-and-lead-and-higher-hair-antimony-cadmium-lead-and-mercury
#3
REVIEW
Amene Saghazadeh, Nima Rezaei
BACKGROUND: Autism spectrum disorder (ASD) is a heterogeneous neurodevelopmental disorder that affects cognitive and higher cognitive functions. Increasing prevalence of ASD and high rates of related comorbidities has caused serious health loss and placed an onerous burden on the supporting families, caregivers, and health care services. Heavy metals are among environmental factors that may contribute to ASD. However, due to inconsistencies across studies, it is still hard to explain the association between ASD and toxic metals...
July 14, 2017: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/28710030/differences-of-sympathetic-and-parasympathetic-modulation-in-major-depression
#4
Andy Schumann, Caroline Andrack, Karl-Jürgen Bär
Inconsistent results have been reported with respect to cardiac autonomic function in major depression. The aim of our study was to investigate autonomic function in various branches of the autonomic nervous system in order to better understand parasympathetic and sympathetic modulation in the disease. We investigated 29 unmedicated patients suffering from major depression (MD) in comparison to matched control subjects (gender, age, BMI). The autonomic assessment at rest included values of heart rate variability (HRV), blood pressure variability (BPV), baroreflex sensitivity (BRS), respiration, skin conductance (SC) as well as the calculation of pupillary diameter and the unrest index (PUI)...
July 12, 2017: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/28710029/decreased-expression-level-of-ber-genes-in-alzheimer-s-disease-patients-is-not-derivative-of-their-dna-methylation-status
#5
Agnieszka Sliwinska, Przemysław Sitarek, Monika Toma, Piotr Czarny, Ewelina Synowiec, Renata Krupa, Paulina Wigner, Katarzyna Bialek, Dominik Kwiatkowski, Anna Korycinska, Ireneusz Majsterek, Janusz Szemraj, Piotr Galecki, Tomasz Sliwinski
BACKGROUND: Neurodegeneration in Alzheimer's disease can be caused by accumulation of oxidative DNA damage resulting from altered expression of genes involved in the base excision repair system (BER). Promoter methylation can affect the profile of BER genes expression. Decreased expression of BER genes was observed in the brains of AD patients. AIM OF THE STUDY: The aim of our study was to compare the expression and methylation profiles of six genes coding for proteins involved in BER, namely: hOGG1, APE1, MUTYH, NEIL1, PARP1 and XRCC1, in the peripheral blood cells of AD patients and healthy volunteers...
July 11, 2017: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/28705766/patients-with-major-depressive-disorder-exhibit-reduced-reward-size-coding-in-the-striatum
#6
Masahiro Takamura, Yasumasa Okamoto, Go Okada, Shigeru Toki, Tetsuya Yamamoto, Naho Ichikawa, Asako Mori, Hideaki Minagawa, Yoshiyuki Takaishi, Yasutaka Fujii, Yoko Kaichi, Yuji Akiyama, Kazuo Awai, Shigeto Yamawaki
BACKGROUND: Anhedonia is a core symptom of major depressive disorder (MDD). While recent evidence suggests that reduced motivation for reward may be a core feature of anhedonia, the abnormalities in modulatory neural responses to variable reward amounts in MDD patients remain unclear. We investigated whether MDD patients' ability to represent variable-sized monetary rewards in the striatum is disrupted. METHODS: Twelve MDD patients and 12 healthy volunteers completed an assessment of psychometric status and participated in a functional magnetic resonance imaging (fMRI) task that involved the anticipation of financial reward (monetary incentive delay task)...
July 11, 2017: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/28705767/common-and-distinct-dysfunctional-patterns-contribute-to-triple-network-model-in-schizophrenia-and-depression-a-preliminary-study
#7
Yuchao Jiang, Mingjun Duan, Xi Chen, Xin Chang, Hui He, YingJia Li, Cheng Luo, Dezhong Yao
BACKGROUND: Schizophrenia (SCH) and depression (DEP) are prevalent psychiatric disorders and share common and distinguished elements in their pathophysiology. A triple network model composed of the default mode network (DMN), salience network (SN) and central executive network (CEN) may represent a major abnormality across several psychiatric disorders including SCH and DEP. However, common and distinct dysfunctional patterns between SCH and DEP across three core networks remain unclear...
July 10, 2017: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/28690202/the-impact-of-methylphenidate-and-its-enantiomers-on-dopamine-synthesis-and-metabolism-in-vitro
#8
Jasmin Bartl, Ferruccio Palazzesi, Michele Parrinello, Leif Hommers, Peter Riederer, Susanne Walitza, Edna Grünblatt
Methylphenidate (MPH), a psychostimulant, is an effective first-line treatment for the symptoms associated with Attention-Deficit/Hyperactivity Disorder (ADHD). Although most MPH formulations are composed of the racemic 1:1 mixture of the two enantiomers (d- and l-threo), converging lines of evidence indicate that d-threo MPH seems to be superior to the l-isomer. We aimed to investigate whether MPH racemic mixture or pure enantiomers influence the enzyme activity of tyrosine hydroxylase (TH), monoamine oxidase B (MAO-B), catechol-O-methyltransferase (COMT), and aldehyde dehydrogenase (ALDH) in vitro in homogenates of rat PC12 cells incubated with racemic, d- and l-threo MPH (1nM up to 100μM), or a vehicle for control...
July 8, 2017: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/28694022/the-clinical-utility-of-repetitive-transcranial-magnetic-stimulation-in-reducing-the-risks-of-transitioning-from-acute-to-chronic-pain-in-traumatically-injured-patients
#9
REVIEW
Marianne Jodoin, Dominique Rouleau, Camille Larson-Dupuis, Nadia Gosselin, Louis De Beaumont
Pain is a multifaceted condition and a major ongoing challenge for healthcare professionals having to treat patients in whom pain put them at risk of developing other conditions. Significant efforts have been invested in both clinical and research settings in an attempt to demystify the mechanisms at stake and develop optimal treatments as well as to reduce individual and societal costs. It is now universally accepted that neuroinflammation and central sensitization are two key underlying factors causing pain chronification as they result from maladaptive central nervous system plasticity...
July 7, 2017: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/28690204/depressive-anxiety-and-hypomanic-symptoms-in-schizophrenia-may-be-driven-by-tryptophan-catabolite-trycat-patterning-of-iga-and-igm-responses-directed-to-trycats
#10
Buranee Kanchanatawan, Sunee Sirivichayakul, André F Carvalho, George Anderson, Piotr Galecki, Michael Maes
The aim of this study was to delineate the associations between the tryptophan catabolite (TRYCAT) pathway and affective symptoms in schizophrenia. Towards this end we measured immunoglobulin (Ig)A and IgM responses to relatively noxious TRYCATs, namely quinolinic (QA), xanthurenic (XA), picolinic (PA) acid and 3-OH-kynurenine (3HK), and generally protective TRYCATs, namely anthranilic (AA) and kynurenic (KA) acid in 80 patients with schizophrenia and 40 healthy controls. The Hamilton Rating Scale for Depression (HDRS) and anxiety (HAMA), Young Mania Rating Scale (YMRS) as well as the Positive and Negative Symptoms Scale of Schizophrenia (PANSS) were measured...
July 6, 2017: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/28690203/prefrontal-cortex-executive-processes-affected-by-stress-in-health-and-disease
#11
REVIEW
Milena Girotti, Samantha M Adler, Sarah E Bulin, Elizabeth A Fucich, Denisse Paredes, David A Morilak
Prefrontal cortical executive functions comprise a number of cognitive capabilities necessary for goal directed behavior and adaptation to a changing environment. Executive dysfunction that leads to maladaptive behavior and is a symptom of psychiatric pathology can be instigated or exacerbated by stress. In this review we survey research addressing the impact of stress on executive function, with specific focus on working memory, attention, response inhibition, and cognitive flexibility. We then consider the neurochemical pathways underlying these cognitive capabilities and, where known, how stress alters them...
July 6, 2017: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/28689006/interactions-between-pro-inflammatory-cytokines-and-statins-on-depression-in-patients-with-acute-coronary-syndrome
#12
REVIEW
Sung-Wan Kim, Hee-Ju Kang, Kyung-Yeol Bae, Il-Seon Shin, Young Joon Hong, Young-Keun Ahn, Myung Ho Jeong, Michael Berk, Jin-Sang Yoon, Jae-Min Kim
OBJECTIVE: Pro-inflammatory cytokines are associated with the development of depression and statins exert anti-inflammatory and antidepressant effects. The present study aimed to investigate associations between interleukin (IL)-6 and IL-18 and depression in patients with acute coronary syndrome (ACS) and potential interactions between statin use and pro-inflammatory cytokines on depression in this population. METHODS: We used pooled datasets from 1-year follow-up data from a 24-week randomized double-blind placebo-controlled trial (RCT) of escitalopram for treatment of depressive disorder and data from a naturalistic, prospective, observational cohort study in patients with ACS...
July 6, 2017: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/28689008/amygdala-functional-disconnection-with-the-prefrontal-cingulate-temporal-circuit-in-chronic-tinnitus-patients-with-depressive-mood
#13
Yu-Chen Chen, Fan Bo, Wenqing Xia, Shenghua Liu, Peng Wang, Wen Su, Jin-Jing Xu, Zhenyu Xiong, Xindao Yin
Chronic tinnitus is often accompanied with depressive symptom, which may arise from aberrant functional coupling between the amygdala and cerebral cortex. To explore this hypothesis, resting-state functional magnetic resonance imaging (fMRI) was used to investigate the disrupted amygdala-cortical functional connectivity (FC) in chronic tinnitus patients with depressive mood. Chronic tinnitus patients with depressive mood (n=20), without depressive mood (n=20), and well-matched healthy controls (n=23) underwent resting-state fMRI scanning...
July 5, 2017: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/28689007/creativity-and-psychiatric-illness-a-functional-perspective-beyond-chaos
#14
REVIEW
Federica Vellante, Fabiola Sarchione, Sjoerd J H Ebisch, Anatolia Salone, Laura Orsolini, Stefano Marini, Alessandro Valchera, Michele Fornaro, Alessandro Carano, Felice Iasevoli, Giovanni Martinotti, Massimo Di Giannantonio, Domenico De Berardis
No abstract text is available yet for this article.
July 5, 2017: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/28673486/quantifying-dimensional-severity-of-obsessive-compulsive-disorder-for-neurobiological-research
#15
Roseli G Shavitt, Guaraci Requena, Pino Alonso, Gwyneth Zai, Daniel L C Costa, Carlos Alberto de Bragança Pereira, Maria Conceição do Rosário, Ivanil Morais, Leonardo Fontenelle, Carolina Cappi, James Kennedy, Jose M Menchon, Euripedes Miguel, Peggy M A Richter
Current research to explore genetic susceptibility factors in obsessive-compulsive disorder (OCD) has resulted in the tentative identification of a small number of genes. However, findings have not been readily replicated. It is now broadly accepted that a major limitation to this work is the heterogeneous nature of this disorder, and that an approach incorporating OCD symptom dimensions in a quantitative manner may be more successful in identifying both common as well as dimension-specific vulnerability genetic factors...
July 1, 2017: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/28669582/substance-related-disorders-a-review-of-prevalence-and-correlates-among-patients-with-chronic-pain
#16
REVIEW
Marc O Martel, Yoram Shir, Mark A Ware
Over the past few decades, research has revealed high rates of substance-related disorders among patients with chronic pain. In addition to their potentially deleterious health consequences, substance-related disorders have consistently been associated with negative pain-related outcomes among patients with chronic pain. The goal of this narrative review was to provide an overview of studies that have examined the prevalence and correlates of substance-related disorders among patients with chronic pain. A particular focus was placed on opioids, sedatives/hypnotics, cannabis, tobacco, and alcohol given that these substances have received the bulk of research attention among patients with pain...
June 29, 2017: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/28669581/efficacy-tolerability-and-safety-of-non-pharmacological-therapies-for-chronic-pain-an-umbrella-review-on-various-cam-approaches
#17
REVIEW
Bérengère Houzé, Héjar El-Khatib, Caroline Arbour
BACKGROUND: Complementary and alternative medicine (CAM) therapies may be used as a non-pharmacological approach to chronic pain management. While hundreds of trials about individual CAM modality have been conducted, a comprehensive overview of their results is currently lacking for pain clinicians and researchers. AIM: This umbrella review synthesized the quality of meta-analytic evidence supporting the efficacy, tolerability and safety of CAM therapies for the management of chronic pain...
June 29, 2017: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/28669580/the-interplay-between-inflammation-oxidative-stress-dna-damage-dna-repair-and-mitochondrial-dysfunction-in-depression
#18
REVIEW
Piotr Czarny, Paulina Wigner, Piotr Galecki, Tomasz Sliwinski
A growing body of evidence suggests that inflammation, mitochondrial dysfunction and oxidant-antioxidant imbalance may play a significant role in the development and progression of depression. Elevated levels of reactive oxygen and nitrogen species - a result of oxidant-antioxidant imbalance - may lead to increased damage of biomolecules, including DNA. This was confirmed in depressed patients in a research study conducted by our team and other scientists. 8-oxoguanine - a marker of oxidative DNA damage - was found in the patients' lymphocytes, urine and serum...
June 29, 2017: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/28668513/toll-like-receptors-nf-%C3%AE%C2%BAb-and-il-27-mediate-adenosine-a2a-receptor-signaling-in-btbr-t-itpr3-tf-j-mice
#19
Sheikh F Ahmad, Mushtaq A Ansari, Ahmed Nadeem, Saleh A Bakheet, Laila Yousef Al-Ayadhi, Sabry M Attia
Autism is a predominant neurodevelopmental disorder characterized by impaired communication, social deficits, and repetitive behaviors. Recent research has proposed that the impairment of innate immunity may play an important role in autism. Toll-like receptors (TLRs) are potential therapeutic targets against neuroinflammation. The BTBR T(+) Itpr3(tf/)J (BTBR) mouse is a well-known model of autism, showing repetitive behaviors such as cognitive inflexibility and increased grooming as compared to C57BL/6 (B6) mice...
June 29, 2017: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/28666826/affective-symptoms-in-schizophrenia-are-strongly-associated-with-neurocognitive-deficits-indicating-disorders-in-executive-functions-visual-memory-attention-and-social-cognition
#20
Buranee Kanchanatawan, Supaksorn Thika, George Anderson, Piotr Galecki, Michael Maes
The aim of this study was to assess the neurocognitive correlates of affective symptoms in schizophrenia. Towards this end, 40 healthy controls and 80 schizophrenia patients were investigated with six tests of the Cambridge Neuropsychological Test Automated Battery (CANTAB), assessing spatial working memory, paired-association learning, one touch stocking, rapid visual information (RVP), emotional recognition test and intra/extradimensional set shifting. The Hamilton Depression (HDRS) and Anxiety (HAMA) Rating Scales and the Calgary Depression Scale for Schizophrenia (CDSS) as well as the Positive and Negative Syndrome Scale (PANSS) were also used...
June 27, 2017: Progress in Neuro-psychopharmacology & Biological Psychiatry
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