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https://www.readbyqxmd.com/read/29052837/research-review-cognitive-bias-modification-of-interpretations-in-youth-and-its-effect-on-anxiety-a-meta-analysis
#1
Georgina Krebs, Victoria Pile, Sean Grant, Michelle Degli Esposti, Paul Montgomery, Jennifer Y F Lau
BACKGROUND: Emerging evidence suggests that cognitive bias modification of interpretations (CBM-I) is effective in altering interpretation biases and reducing anxiety in adults. Less is known about the impact of CBM-I in young people, but some recent findings, including a meta-analysis of combined cognitive bias modification of interpretation and attention techniques, have cast doubt on its clinical utility. Given the current debate, this meta-analysis sought to establish the independent effects of CBM-I on interpretations biases and anxiety in youth...
October 20, 2017: Journal of Child Psychology and Psychiatry, and Allied Disciplines
https://www.readbyqxmd.com/read/29050902/housing-conditions-modulate-the-reinforcing-properties-of-cocaine-in-adolescent-mice-that-binge-on-fat
#2
M Carmen Blanco-Gandía, Sandra Montagud-Romero, María A Aguilar, José Miñarro, Marta Rodríguez-Arias
Binge eating is a specific form of overeating characterized by intermittent, excessive eating. To date, several studies have addressed the effects that bingeing on fat has on the rewarding effects of drugs of abuse, but they have found contradictory and highly variable results. Housing conditions could modulate these results, as most studies employ isolated animals to measure the exact amount of food that is ingested. The aim of this study was to evaluate the effects of housing conditions on the response of mice to cocaine, modulated by bingeing on a high-fat diet during adolescence...
October 16, 2017: Physiology & Behavior
https://www.readbyqxmd.com/read/29050798/animals-anxiety-and-anxiety-disorders-how-to-measure-anxiety-in-rodents-and-why
#3
REVIEW
Jaanus Harro
Measurement of anxiety is desirable for the benefit of drug development and understanding the brain function and mental well-being. Animal models offer the advantages of detailed neurobiological analysis, experimental manipulation of specific components in the brain circuits that underlie psychopathology, and the possibility of screening novel drugs with clinical potential. A large variety of animal models of anxiety and screening tests of anxiolytics is currently in use. While their value in advancing the knowledge and predicting therapeutic success of drugs is unquestionable, the expectations have grown much higher, and the frustration over absence of novel successful drug concepts is rising...
October 16, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/29046641/buspirone-counteracts-mk-801-induced-schizophrenia-like-phenotypes-through-dopamine-d3-receptor-blockade
#4
Sebastiano Alfio Torrisi, Salvatore Salomone, Federica Geraci, Filippo Caraci, Claudio Bucolo, Filippo Drago, Gian Marco Leggio
Background: Several efforts have been made to develop effective antipsychotic drugs. Currently, available antipsychotics are effective on positive symptoms, less on negative symptoms, but not on cognitive impairment, a clinically relevant dimension of schizophrenia. Drug repurposing offers great advantages over the long-lasting, risky and expensive, de novo drug discovery strategy. To our knowledge, the possible antipsychotic properties of buspirone, an azapirone anxiolytic drug marketed in 1986 as serotonin 5-HT1A receptor (5-HT1AR) partial agonist, have not been extensively investigated despite its intriguing pharmacodynamic profile, which includes dopamine D3 (D3R) and D4 receptor (D4R) antagonist activity...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/29046178/a-psychiatric-formulary-for-long-duration-spaceflight
#5
Eric Friedman, Brian Bui
Behavioral health is essential for the safety, well-being, and performance of crewmembers in both human spaceflight and Antarctic exploration. Over the past five decades, psychiatric issues have been documented in orbital spaceflight. In Antarctica, literature suggests up to 5% of wintering crewmembers could meet criteria for a psychiatric illness, including mood disorders, stressor-related disorders, sleep-wake disorders, and substance-related disorders. Experience from these settings indicates that psychiatric disorders on deep space missions must be anticipated...
November 1, 2017: Aerospace Medicine and Human Performance
https://www.readbyqxmd.com/read/29042260/pldt-planarian-light-dark-test-an-invertebrate-assay-to-quantify-defensive-responding-and-study-anxiety-like-effects
#6
Ashenafi Mebratu Zewde, Frances Yu, Sunil Nayak, Christopher Tallarida, Allen B Reitz, Lynn G Kirby, Scott M Rawls
BACKGROUND: Planarians, like rodents, instinctively spend more time in dark versus light environments when given a choice. This behavioral phenomenon is called negative phototaxis, which may reflect defensive responding related to an anxiety-like phenotype. NEW METHOD: We propose a planarian light/dark test, designated PLDT, to predict anxiogenic- or anxiolytic-like effects. Experimentally, we placed a planarian at the midline of a Petri dish, containing test compound or water, that was split evenly into light and dark compartments and determined time spent in the light over 10min...
October 14, 2017: Journal of Neuroscience Methods
https://www.readbyqxmd.com/read/29042248/the-antidepressant-and-anxiolytic-like-effects-of-fluoxetine-and-clozapine-in-chronically-isolated-rats-involve-inhibition-of-hippocampal-tnf-%C3%AE
#7
Nevena Todorović, Dragana Filipović
Brain oxidative stress and neuroinflammation are implicated in psychiatric disorders. Thus, it is important to investigate the effects of individual psychotropic agents on antioxidative defense and proinflammatory mediators in brain regions associated with these disorders. Psychosocial stress is recognized as a threat to mental health, and the hippocampus is a primary target of stress-related damage. Chronic social isolation (CSIS) is a mild psychosocial stress used to model the pathophysiology of depression...
October 14, 2017: Pharmacology, Biochemistry, and Behavior
https://www.readbyqxmd.com/read/29042065/analgesic-and-anxiolytic-effects-of-leu-31-pro-34-neuropeptide-y-microinjected-into-the-periaqueductal-gray-in-rats
#8
Priscila Vázquez-León, Luis G Mendoza-Ruiz, Eduardo Ramírez-San Juan, German Alberto Chamorro-Cevallos, Abraham Miranda-Páez
Several reports have demonstrated that neuropeptide Y (NPY) is involved in food intake, epilepsy, circadian rhythms, drug seeking, pain and anxiety, and other physiological or pathological conditions. On the other hand, periaqueductal gray (PAG) is a key brain center for modulating pain, anxiety and fear. It is the main structure implicated in integrated defensive behaviors. One such behavior, tonic immobility (TI), resembles fear and is able to induce analgesia. After microinjection of [Leu(31),Pro(34)]-Neuropeptide Y ([Leu(31),Pro(34)]-NPY) into the PAG dorsal (D) or ventrolateral (VL) of adult male Wistar rats, the following parameters were assessed: i) the analgesic effect by means of the tail-flick test (TF), ii) the duration of TI as a passive defensive behavioral response and as an anxiety/fear model (considering both TF and TI as single behaviors), iii) TI-induced analgesia by the combination of TF/TI, and iv) the anxious-like state through the elevated plus maze (EPM), and defensive burying behavior (DBB)...
October 12, 2017: Neuropeptides
https://www.readbyqxmd.com/read/29041880/-efficacy-of-antihypertensive-therapy-combined-with-psychotropic-drugs-in-patients-with-hypertension-and-affective-disorders
#9
V V Skibitskiy, V D Kovalev, N A Kurzanov, I A Ponomareva
AIM: To compare effects of isolated antihypertensive therapy (AHT) and AHT combined with anxiolytic and antidepressant on parameters of 24‑hour blood pressure (BP) profile, severity of affective disorders, and quality of life (QL) in patients with uncontrolled arterial hypertension (AH) and anxiety or depressive disorders. MATERIAL AND METHODS: We randomized 140 patients (age 48.6±5.9 year, 72 women) into 2 groups. During 1 year patients of each group received 2 variants of pharmacotherapy: isolated AHT and AHT combined with psychotropic medication (PM) - anxiolytic for persons with anxiety disorder and antidepressant for persons with depressive disorder (AHT+PM)...
July 2017: Kardiologiia
https://www.readbyqxmd.com/read/29038874/ultrasound-guided-popliteal-sciatic-block-provides-adequate-analgesia-during-urgent-endovascular-treatment-of-critical-limb-ischemia-with-resting-pain
#10
Derya Tureli, Sinan Deniz, Aytekin Unlukaplan, Levent Oguzkurt
PURPOSE: To demonstrate feasibility and safety of ultrasound-guided popliteal sciatic nerve block for providing analgesia during urgent endovascular treatment of critical limb ischemia with resting pain. MATERIALS AND METHODS: Ultrasound-guided popliteal sciatic blocks were performed by an interventional radiologist in angiography suite immediately prior to commencement of urgent endovascular treatment of 30 critical limb ischemia patients. Subjective pain levels prior to and following sciatic block were assessed using the visual analog scale (VAS)...
October 16, 2017: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/29037915/linalool-rich-essential-oils-from-the-amazon-display-antidepressant-type-effect-in-rodents
#11
Éverton Renan Q Dos Santos, Cristiane Socorro F Maia, Enéas A Fontes Junior, Ademar S Melo, Bruno G Pinheiro, José Guilherme S Maia
ETHNOPHARMACOLOGICAL RELEVANCE: The essential oils of the leaves of Aniba rosaeodora (pau-rosa), Aniba parviflora (macacaporanga) and Aeollanthus suaveolens (catinga-de-mulata), rich in linalool, are used in the traditional medicine of the Brazilian Amazon for its effects on the central nervous system, such as sedative, anticonvulsant and antidepressant, among other therapeutic properties. AIM OF THE STUDY: To analyze the chemical composition of these oils and to evaluate their neurobehavioral effects in rodents, based on different and established behavioral tests...
October 13, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/29036295/psychotropic-medications-prescribing-trends-in-adolescents-a-nationwide-population-based-study-in-taiwan
#12
Chin-Yen Tsai, Hsuan-Chia Yang, Mohaimenul Islam, Wan-Shan Hsieh, Shing-Hwa Juan, Jiang-Chen Chen, Hafsah Arshed Ali Khan, Wen-Shan Jian
Objective: To describe psychotropic medications prescription patterns among adolescents in Taiwan; focusing on age, gender, duration of treatments and various classes of psychotropic medications. Design: A retrospective description analysis. Setting: Taiwan National Health Insurance Database. Participants: Twelve to seventeen years' patients treated with psychotropic medications. Intervention: None...
September 20, 2017: International Journal for Quality in Health Care
https://www.readbyqxmd.com/read/29035921/biphasic-effects-of-selective-serotonin-reuptake-inhibitors-on-anxiety-rapid-reversal-of-escitalopram-s-anxiogenic-effects-in-the-novelty-induced-hypophagia-test-in-mice
#13
Wouter Koek, Nathan C Mitchell, Lynette C Daws
In humans, chronic treatment with selective serotonin reuptake inhibitors (SSRIs) decreases anxiety, unlike acute treatment, which can increase anxiety. Although this biphasic pattern is observed clinically, preclinical demonstrations are rare. In an animal model of antidepressant-induced anxiolytic effects, the novelty-induced hypophagia (NIH) test, a single administration of the SSRI citalopram reportedly elicited anxiogenic-like effects, whereas three administrations over 24 h were sufficient to produce anxiolytic-like effects...
October 13, 2017: Behavioural Pharmacology
https://www.readbyqxmd.com/read/29035887/valeriana-officinalis-root-extract-modulates-cortical-excitatory-circuits-in-humans
#14
Ludovico Mineo, Carmen Concerto, Dhaval Patel, Tyrone Mayorga, Michael Paula, Eileen Chusid, Eugenio Aguglia, Fortunato Battaglia
BACKGROUND: Valeriana officinalis extract (VE) is a popular herbal medicine used for the treatment of anxiety and sleep disorders. Although the anxiolytic and sedative effects are mainly attributed to the modulation of GABA-ergic transmission, the mechanism of action has not been fully investigated in humans. Noninvasive brain stimulation protocols can be used to elucidate the mechanisms of action of psychoactive substances at the cortical level in humans. In this study, we investigated the effects of a single dose of VE on cortical excitability as assessed with transcranial magnetic stimulation (TMS)...
October 17, 2017: Neuropsychobiology
https://www.readbyqxmd.com/read/29033834/tc299423-a-novel-agonist-for-nicotinic-acetylcholine-receptors
#15
Teagan R Wall, Brandon J Henderson, George Voren, Charles R Wageman, Purnima Deshpande, Bruce N Cohen, Sharon R Grady, Michael J Marks, Daniel Yohannes, Paul J Kenny, Merouane Bencherif, Henry A Lester
(E)-5-(Pyrimidin-5-yl)-1,2,3,4,7,8-hexahydroazocine (TC299423) is a novel agonist for nicotinic acetylcholine receptors (nAChRs). We examined its efficacy, affinity, and potency for α6β2(∗) (α6β2-containing), α4β2(∗), and α3β4(∗) nAChRs, using [(125)I]-epibatidine binding, whole-cell patch-clamp recordings, synaptosomal (86)Rb(+) efflux, [(3)H]-dopamine release, and [(3)H]-acetylcholine release. TC299423 displayed an EC50 of 30-60 nM for α6β2(∗) nAChRs in patch-clamp recordings and [(3)H]-dopamine release assays...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/29033825/acute-stress-affects-the-expression-of-hippocampal-mu-oscillations-in-an-age-dependent-manner
#16
Samir Takillah, Jérémie Naudé, Steve Didienne, Claude Sebban, Brigitte Decros, Esther Schenker, Michael Spedding, Alexandre Mourot, Jean Mariani, Philippe Faure
Anxiolytic drugs are widely used in the elderly, a population particularly sensitive to stress. Stress, aging and anxiolytics all affect low-frequency oscillations in the hippocampus and prefrontal cortex (PFC) independently, but the interactions between these factors remain unclear. Here, we compared the effects of stress (elevated platform, EP) and anxiolytics (diazepam, DZP) on extracellular field potentials (EFP) in the PFC, parietal cortex and hippocampus (dorsal and ventral parts) of adult (8 months) and aged (18 months) Wistar rats...
2017: Frontiers in Aging Neuroscience
https://www.readbyqxmd.com/read/29025435/withania-somnifera-as-a-potential-candidate-to-ameliorate-high%C3%A2-fat-diet-induced-anxiety-and-neuroinflammation
#17
Taranjeet Kaur, Gurcharan Kaur
BACKGROUND: The epidemic of obesity has reached alarming levels in both developing and developed nations. Excessive calorie intake and sedentary lifestyle due to technological advancements are the main causal factors for overweight and obesity among the human population. Obesity has been associated with a number of co-morbidities such as hypertension, type 2 diabetes mellitus, cardiovascular diseases, and neurodegeneration and dementia. The progression of neurological disorders in obese subjects has been mainly attributed to neuroinflammation...
October 12, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/29025271/psychotropic-drugs-and-cyp2d6-in-late-life-psychiatric-and-neurological-disorders-what-do-we-know
#18
Davide Seripa, Madia Lozupone, Eleonora Stella, Giulia Paroni, Paola Bisceglia, Maddalena La Montagna, Grazia D'onofrio, Carolina Gravina, Maria Urbano, Maria Giovanna Priore, Angela Lamanna, Antonio Daniele, Antonello Bellomo, Giancarlo Logroscino, Antonio Greco, Francesco Panza
Late-life psychiatric and neurological disorders (LLPND) are interesting models to understand the potential role of pharmacogenetics in drug management, since several pharmacological approaches for treating LLPND have proven to be ineffective or deleterious, thus resulting in therapeutic failures (TF) and adverse drug reactions (ADR). Common variants in the genes encoding the cytochrome P450 (CYP) enzyme system, the 'engine room' of drug metabolism, together with well-known age-related increased polypharmacy also contributed to the prevalence of TF and ADR observed in these patients, also rising number and time of hospital readmissions and rate of institutionalizations...
October 12, 2017: Expert Opinion on Drug Safety
https://www.readbyqxmd.com/read/29025085/effects-of-buprenorphine-on-responses-to-emotional-stimuli-in-individuals-with-a-range-of-mood-symptomatology
#19
Anya K Bershad, Nicholas A Ruiz, Harriet de Wit
Background: The opioid drug buprenorphine has been shown to modify responses to emotional stimuli and may have antidepressant properties. In preclinical studies, it shows antidepressant-like and anxiolytic-like effects, and a handful of clinical studies suggest it may reduce symptoms of depression in patients. We have shown that low doses of buprenorphine reduce responses to negative emotional stimuli in healthy adults. Here we extended these findings to individuals with symptoms of depression and anxiety...
September 1, 2017: International Journal of Neuropsychopharmacology
https://www.readbyqxmd.com/read/29024681/potentiation-of-morphine-induced-antinociception-and-locomotion-by-citalopram-is-accompanied-by-anxiolytic-like-effects
#20
María J Varela, Arlet M Acanda de la Rocha, Alvaro Díaz, Juan F Lopez-Gimenez
Morphine and related opioids are the mainstay of analgesic treatment, especially in patients suffering chronic pain. Besides their antinociceptive effects they may also exhibit anxiolytic-like properties that could contribute to pain relief. The pharmacological manipulation of the serotonergic system may not only modulate pain transmission and processing but also other behavioral effects of opioids. The present study aimed to analyze the effect of the concurrent treatment with citalopram, a selective serotonin reuptake inhibitor, on the antinociceptive, locomotor and anxiety-related effects induced by acute and subchronic administration of morphine in mice...
October 9, 2017: Pharmacology, Biochemistry, and Behavior
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