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https://www.readbyqxmd.com/read/29341893/targeting-bdnf-modulation-by-plant-glycosides-as-a-novel-therapeutic-strategy-in-the-treatment-of-depression
#1
REVIEW
Haroon Khan, Surriya Amin, Seema Patel
Current therapies in clinical practice face strong criticism regarding their efficacy, and side effects, which forced the neuro-researchers to discover novel agents with different mechanistic insights. Glycosides are naturally-occurring plant secondary metabolites with significant medicinal potential and clinical scope as antidepressant. The aim of this review is to focus on the antidepressant effects of glycosides in preclinical studies, with an emphasis on the possible mechanisms. The literature search revealed that only a few phytoglycosides have been evaluated for their relevance in depression alleviation...
January 13, 2018: Life Sciences
https://www.readbyqxmd.com/read/29339292/selective-hcn1-block-as-a-strategy-to-control-oxaliplatin-induced-neuropathy
#2
F Resta, L Micheli, A Laurino, V Spinelli, T Mello, L Sartiani, L Di Cesare Mannelli, E Cerbai, C Ghelardini, M N Romanelli, G Mannaioni, A Masi
Chemotherapy-Induced Peripheral Neuropathy (CIPN) is the most frequent adverse effect of pharmacological cancer treatments. The occurrence of neuropathy prevents the administration of fully-effective drug regimen, affects negatively the quality of life of patients, and may lead to therapy discontinuation. CIPN is currently treated with anticonvulsants, antidepressants, opioids and non-opioid analgesics, all of which are flawed by insufficient anti-hyperalgesic efficacy or addictive potential. Understandably, developing new drugs targeting CIPN-specific pathogenic mechanisms would dramatically improve efficacy and tolerability of anti-neuropathic therapies...
January 12, 2018: Neuropharmacology
https://www.readbyqxmd.com/read/29335402/a-partially-open-inward-facing-intermediate-conformation-of-leut-is-associated-with-na-release-and-substrate-transport
#3
Daniel S Terry, Rachel A Kolster, Matthias Quick, Michael V LeVine, George Khelashvili, Zhou Zhou, Harel Weinstein, Jonathan A Javitch, Scott C Blanchard
Neurotransmitter:sodium symporters (NSS), targets of antidepressants and psychostimulants, clear neurotransmitters from the synaptic cleft through sodium (Na+)-coupled transport. Substrate and Na+ are thought to be transported from the extracellular to intracellular space through an alternating access mechanism by coordinated conformational rearrangements in the symporter that alternately expose the binding sites to each side of the membrane. However, the mechanism by which the binding of ligands coordinates conformational changes occurring on opposite sides of the membrane is not well understood...
January 15, 2018: Nature Communications
https://www.readbyqxmd.com/read/29334809/accidental-pharmacological-poisonings-in-young-children-population-based-study-in-three-settings
#4
Jane C Bell, Jason P Bentley, Catriona Downie, Rose Cairns, Nicholas A Buckley, Annette Katelaris, Sallie-Anne Pearson, Natasha Nassar
INTRODUCTION: Pharmacological poisonings in young children are avoidable. Previous studies report calls to poisons centres, presentations to emergency departments (ED) or hospital admissions. There are limited data assessing concurrent management of poisonings across all three settings. We aimed to describe accidental pharmacological poisonings in young children across our Poisons Information Centre (PIC), EDs and hospitals. METHODS: A population-based study in New South Wales, Australia, of PIC calls, ED presentations and hospital admissions for accidental pharmacological poisoning in children aged <5 years, 2007-2013...
January 15, 2018: Clinical Toxicology
https://www.readbyqxmd.com/read/29334636/impact-of-demographic-factors-on-the-antidepressant-effect-a-patient-level-data-analysis-from-depression-trials-submitted-to-the-pharmaceuticals-and-medical-devices-agency-in-japan
#5
Tetsuo Nakabayashi, Ayako Hara, Hirofumi Minami
A substantial and variable placebo response can cause unreliable findings in clinical trials designed to demonstrate the efficacy of antidepressants, and the high rate of failed trials represents a major obstacle in the development of new drugs for major depressive disorder (MDD). However, the influence of demographic and symptom factors on the antidepressant effect remains to be established. The purpose of this study was to estimate the magnitude of this influence. A patient-level meta-analysis of data from double-blind, randomized, placebo-controlled trials involving the use of antidepressants for adults with MDD was performed...
January 3, 2018: Journal of Psychiatric Research
https://www.readbyqxmd.com/read/29331709/what-do-the-genetic-association-data-say-about-the-high-risk-of-suicide-in-people-with-depression-a-novel-network-based-approach-to-find-common-molecular-basis-for-depression-and-suicidal-behavior-and-related-therapeutic-targets
#6
Ali Bozorgmehr, Fatemeh Alizadeh, Sattar Norouzi Ofogh, Mohammad Reza Abdollahzadeh Hamzekalayi, Sara Herati, Atefeh Moradkhani, Ali Shahbazi, Mohammad Ghadirivasfi
BACKGROUND: Available sources indicate that the risk of suicide in people with major depression is higher than other psychiatric disorders. Although it seems that these two conditions may have a shared cause in some cases, no studies have been conducted to identify a common basis for them. METHODS: In this study, following an extensive review of literature, we found almost all the genes that are involved in major depression and suicidal behavior, and we isolated genes shared between the two conditions...
January 8, 2018: Journal of Affective Disorders
https://www.readbyqxmd.com/read/29330149/voluntary-exercise-and-depression-like-behavior-in-rodents-are-we-running-in-the-right-direction
#7
Joram D Mul
Acute or chronic exposure to stress can increase the risk to develop major depressive disorder, a severe, recurrent and common psychiatric condition. Depression places an enormous social and financial burden on modern society. Although many depressed patients are treated with antidepressants, their efficacy is only modest, underscoring the necessity to develop clinically-effective pharmaceutical or behavioral treatments. Exercise training produces beneficial effects on stress-related mental disorders, indicative of clinical potential...
January 12, 2018: Journal of Molecular Endocrinology
https://www.readbyqxmd.com/read/29326098/cognitive-and-behavioral-skills-exercises-completed-by-patients-with-major-depression-during-smartphone-cognitive-behavioral-therapy-secondary-analysis-of-a-randomized-controlled-trial
#8
Toshi A Furukawa, Masaru Horikoshi, Hirokazu Fujita, Naohisa Tsujino, Ran Jinnin, Yuki Kako, Sei Ogawa, Hirotoshi Sato, Nobuki Kitagawa, Yoshihiro Shinagawa, Yoshio Ikeda, Hissei Imai, Aran Tajika, Yusuke Ogawa, Tatsuo Akechi, Mitsuhiko Yamada, Shinji Shimodera, Norio Watanabe, Masatoshi Inagaki, Akio Hasegawa
BACKGROUND: A strong and growing body of evidence has demonstrated the effectiveness of cognitive behavioral therapy (CBT), either face-to-face, in person, or as self-help via the Internet, for depression. However, CBT is a complex intervention consisting of several putatively effective components, and how each component may or may not contribute to the overall effectiveness of CBT is poorly understood. OBJECTIVE: The aim of this study was to investigate how the users of smartphone CBT use and benefit from various components of the program...
January 11, 2018: JMIR Mental Health
https://www.readbyqxmd.com/read/29324067/mao-inhibitors-and-their-wider-applications-a-patent-review
#9
Simone Carradori, Daniela Secci, Jacques P Petzer
Monoamine oxidase (MAO) inhibitors, after the initial "golden age", are currently used as third-line antidepressants (selective MAO-A inhibitors) or clinically enrolled as co-adjuvants for neurodegenerative diseases (selective MAO-B inhibitors). However, the research within this field is always increasing due to their pivotal role in modulating synaptic functions and monoamines metabolism. Areas covered: In this paper, MAO inhibitors (2015-2017) are disclosed ordering all the patents according to their chemical scaffold...
January 11, 2018: Expert Opinion on Therapeutic Patents
https://www.readbyqxmd.com/read/29322768/identification-of-novel-inks-for-3d-printing-using-high-throughput-screening-bioresorbable-photocurable-polymers-for-controlled-drug-delivery
#10
Iria Louzao, Britta Koch, Vincenzo Taresco, Laura Ruiz Cantu, Derek J Irvine, Clive J Roberts, Christopher J Tuck, Cameron Alexander, Richard J M Hague, Ricky D Wildman, Morgan Russell Alexander
A robust discovery methodology is presented to identify novel biomaterials suitable for 3D printing. Currently the application of Additive Manufacturing is limited by the availability of functional inks, especially in the area of biomaterials-this method tackles this problem for the first time allowing hundreds of formulations to be readily assessed. Several functional properties, including the release of an antidepressive drug (paroxetine), cytotoxicity and printability are screened for 253 new ink formulations in a high-throughput format as well as mechanical properties...
January 11, 2018: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/29321994/the-effect-of-ethanolic-extract-of-thymus-kotschyanus-on-cancer-cell-growth-in%C3%A2-vitro-and-depression-like-behavior-in-the-mouse
#11
Mohammad-Hossein Doosti, Kazem Ahmadi, Mahdi Fasihi-Ramandi
Cancer and depression are known as two of the most debilitating disease and disorder increasing evidence suggest an urgent need for new therapeutic agents with lower toxicity and high efficacy. Some Thyme species extracts have remarkably been shown to positively affect depression and cancer cells. In the present study, we investigated the effect of Thymus kotschyanus on depression and cancer cells. To this end, in experiment 1, NMRI mice were treated orally with the ethanolic extract of T. kotschyanus (50, 150 and 250 mg/ml) for seven days and then depression-like behavior was measured by Forced Swim Test (FST) and Tail Suspension Test (TST)...
January 2018: Journal of Traditional and Complementary Medicine
https://www.readbyqxmd.com/read/29318288/green-one-pot-synthesis-of-novel-polysubstituted-pyrazole-derivatives-as-potential-antimicrobial-agents
#12
Hamid Beyzaei, Zahra Motraghi, Reza Aryan, Mohammad Mehdi Zahedi, Alireza Samzadeh-Kermani
Various biological properties of natural and synthetic pyrazole derivatives such as anti-inflammatory, antimicrobial, neuroprotective, anticonvulsant, antidepressant and anticancer activities encouraged us to propose a new, fast, green and eco-friendly procedure for the preparation of some novel 5-amino-3-(aryl substituted)-1-(2,4-dinitrophenyl)-1H-pyrazole-4-carbonitriles. They were efficiently synthesized via one-pot two-step process reaction of malononitrile, 2,4-dinitrophenylhydrazine and different benzaldehydes in deep eutectic solvent (DES) glycerol/potassium carbonate...
December 2017: Acta Chimica Slovenica
https://www.readbyqxmd.com/read/29315742/depression-and-anxiety-like-behaviour-is-related-to-bdnf-trkb-signalling-in-a-mouse-model-of-psoriasis
#13
W JiaWen, S Hong, X ShengXiang, L Jing
BACKGROUND: The prevalence of anxiety and depression is significantly higher in individuals with psoriasis than in the general population. Clinical data also show that anti-anxiety and antidepression drugs can reduce skin lesions in patients with psoriasis, but the actual mechanism is still poorly understood. AIM: To investigate whether brain-derived neurotrophic factor (BDNF) and tropomyosin receptor kinase B (TrKB) signalling plays a role in the mechanism underlying psoriasis with depression and anxiety behaviours...
January 8, 2018: Clinical and Experimental Dermatology
https://www.readbyqxmd.com/read/29306886/comparative-efficacy-and-tolerability-of-new-generation-antidepressants-for-major-depressive-disorder-in-children-and-adolescents-protocol-of-an-individual-patient-data-meta-analysis
#14
Xinyu Zhou, Andrea Cipriani, Toshi A Furukawa, Pim Cuijpers, Yuqing Zhang, Sarah E Hetrick, Juncai Pu, Shuai Yuan, Cinzia Del Giovane, Peng Xie
INTRODUCTION: Although previous conventional meta-analyses and network meta-analyses have provided some important findings about pharmacological treatments for children and adolescents with depressive disorders in the past decades, several questions still remain unsolved by the aggregate data from those meta-analyses. Individual participant data meta-analysis (IPD-MA) enables exploration of the impacts of individual characteristics on treatment effects, allowing matching of treatments to specific subgroups of patients...
January 5, 2018: BMJ Open
https://www.readbyqxmd.com/read/29302849/low-vs-high-alcohol-central-benefits-vs-detriments
#15
REVIEW
Yousef Tizabi, Bruk Getachew, Clifford L Ferguson, Antonei B Csoka, Karl M Thompson, Alejandra Gomez-Paz, Jana Ruda-Kucerova, Robert E Taylor
The dose-dependent effects of alcohol, where the initial euphoric and stimulant effects initiated by the exposure to low ethanol levels can quickly lead to a deadly consequence are well established. Thus, high blood alcohol concentration (BAC), as seen in alcoholics, can cause significant damage to various organs. At low concentrations (e.g., 10 mg% or lower), however, beneficial effects of alcohol, particularly on cardiovascular function have been reported. Although, the latter assertion has been challenged by recent epidemiological studies, protective effects of low alcohol concentrations in vitro and in vivo relevant to the central nervous system (CNS) is well documented...
January 4, 2018: Neurotoxicity Research
https://www.readbyqxmd.com/read/29302750/decreased-plasma-agmatine-levels-in-autistic-subjects
#16
Erman Esnafoglu, İlhan İrende
Agmatine is a polyamine endogenously synthesized from arginine and is considered to be a new neurotransmitter. Agmatine has been implicated in the pathophysiology of several diseases such as anxiety disorder, depression, and schizophrenia. Agmatine also possesses anticonvulsant, neuroprotective, antiapoptotic, antioxidant, anxiolytic, and antidepressant effects. Furthermore, agmatine inhibits the nitric oxide synthase enzyme and exerts antagonist effects on NMDA, alpha-2, and imidazoline receptors. Considering these characteristics, the present study investigated whether agmatine plays a role in the pathogenesis of autistic spectrum disorders (ASDs)...
January 4, 2018: Journal of Neural Transmission
https://www.readbyqxmd.com/read/29278204/looking-for-new-antifungal-drugs-from-flavonoids-impact-of-the-genetic-diversity-of-candida-albicans-on-the-in-vitro-response
#17
Maria Rosa Felice, Letterio Giuffre, Lamya El Aamri, Majida Hafidi, Giuseppe Criseo, Orazio Romeo, Fabio Scordino
In an era in which antimicrobial resistance is increasing at an alarming pace, it's very important to find new antimicrobial agents effective against pathogenic microrganisms resistant to traditional treatments. Among the notable breakthroughs in the past years of research in natural-drug discovery there is the identification and testing of flavonoids, a group of plant-derived substances capable of promoting many beneficial effects on humans. These compounds show different biological activities such as inhibition of neuroinflammation and tumor growth as well as antidepressant, antiarthritic, anti-hypercholesterolemic, antidiabetic, antiulcer and antiasthmatic activities...
December 25, 2017: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/29276735/circuit-and-synaptic-mechanisms-of-repeated-stress-perspectives-from-differing-contexts-duration-and-development
#18
REVIEW
Kevin G Bath, Scott J Russo, Kristen E Pleil, Eric S Wohleb, Ronald S Duman, Jason J Radley
The current review is meant to synthesize research presented as part of a symposium at the 2016 Neurobiology of Stress workshop in Irvine California. The focus of the symposium was "Stress and the Synapse: New Concepts and Methods" and featured the work of several junior investigators. The presentations focused on the impact of various forms of stress (altered maternal care, binge alcohol drinking, chronic social defeat, and chronic unpredictable stress) on synaptic function, neurodevelopment, and behavioral outcomes...
December 2017: Neurobiology of Stress
https://www.readbyqxmd.com/read/29275963/qt-prolongation-torsades-de-pointes-and-psychotropic-medications-a-5-year-update
#19
REVIEW
Scott R Beach, Christopher M Celano, Alan M Sugrue, Caitlin Adams, Michael J Ackerman, Peter A Noseworthy, Jeff C Huffman
BACKGROUND: Some psychotropic medications have been associated with prolongation of the QT interval and QT prolongation, especially in those with medical illness, and are linked to lethal ventricular arrhythmias, such as Torsades de Pointes (TdP). In 2013, we published a review of QT prolongation, TdP, and psychotropic medications. OBJECTIVE: We provide an update over the past 5 years on the specific concerns most relevant to clinicians who see medically ill patients...
November 3, 2017: Psychosomatics
https://www.readbyqxmd.com/read/29275445/issues-on-the-diagnosis-and-etiopathogenesis-of-mood-disorders-reconsidering-dsm-5
#20
REVIEW
Kazuyoshi Ogasawara, Yukako Nakamura, Hiroyuki Kimura, Branko Aleksic, Norio Ozaki
The authors present a narrative review from the diagnostic and nosologic viewpoints of mood disorders (bipolar and depressive ones) by revisiting the revision from the fourth edition of the Diagnostic and Statistical Manual of Mental Disorders, Text Revision to DSM-5, including the following: the separation of the bipolar and depressive sections; the addition of increased energy and continuation of symptoms to the hypo/manic criteria; the elimination of mixed episodes; the creation of new categories and specifiers ("other specified bipolar and related disorder", "disruptive mood dysregulation disorder", "with anxious distress", "with mixed features", "with peripartum onset"); the categorization of hypo/manic episodes during antidepressant treatment into bipolar disorder; the elimination of the "bereavement exclusion"; the ambiguous separation between bipolar I and II; the insufficient distinction between "other specified bipolar and related disorders" and major depressive disorder; the differentiation regarding borderline personality disorder; agitation; premenstrual dysphoric disorder; and society and psychiatry...
December 23, 2017: Journal of Neural Transmission
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