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https://www.readbyqxmd.com/read/28725139/hybrid-polymeric-matrices-for-oral-modified-release-of-desvenlafaxine-succinate-tablets
#1
Wael Samy, Ayman Elnoby, Hanan M El-Gowelli, Nazik Elgindy
Purpose: Desvenlafaxine succinate (DSV) is a water soluble anti-depressant drug, which is rapidly absorbed after oral administration exaggerating its side effects. The current work aimed to prepare controllable release DSV matrix to reduce DSV side effects related to its initial burst. Methods: Fifteen DSV matrix formulations were prepared using different polymers, polymer/drug ratios and matrix excipients and characterized using Differential Scanning Calorimetry (DSC), infrared (IR) spectroscopy, water uptake and in vitro DSV release...
July 2017: Saudi Pharmaceutical Journal: SPJ: the Official Publication of the Saudi Pharmaceutical Society
https://www.readbyqxmd.com/read/28711395/silymarin-ameliorates-experimentally-induced-depressive-like-behavior-in-rats-involvement-of-hippocampal-bdnf-signaling-inflammatory-cytokines-and-oxidative-stress-response
#2
Vishnu N Thakare, Manoj K Aswar, Yogesh P Kulkarni, Rajesh R Patil, Bhoomika M Patel
Silymarin is a polyphenolic flavonoid of Silybum marianum, exhibited neuroprotection and antidepressant like activity in acute restraint stressed mice. The main objective of the present study is to investigate possible antidepressant like activity of silymarin in experimentally induced depressive behavior in rats. The depressive behaviors were induced in rats by olfactory bulbectomized (OBX) technique. Wistar rats were administered with silymarin at a dose of 100mg/kg and 200mg/kg, by per oral in OBX and sham operated rats...
July 12, 2017: Physiology & Behavior
https://www.readbyqxmd.com/read/28699310/the-effects-of-seh-inhibitor-on-depression-like-behavior-and-neurogenesis-in-male-mice
#3
Qiong Wu, Hongyang Cai, Jingfang Song, Quanzhong Chang
Currently antidepressants take several weeks to be effective, which is one of the main reasons why patients with depression quit therapy. In the present study, we examine the acute and subacute effects of soluble epoxide hydolase (sEH) inhibitor (sEHI), a compound shown to have antidepressant effects, on mice. We found that acute administration of sEHI TPPU decreases immobility time in the forced swimming test and reduces latency to feed in the novelty suppressed-feeding test in adult male mice. Intraperitoneal administration of TPPU for seven days also increased interaction time of socially defeated mice in the social defeat test...
July 12, 2017: Journal of Neuroscience Research
https://www.readbyqxmd.com/read/28697488/the-interpersonal-adverse-effects-reported-by-1008-users-of-antidepressants-and-the-incremental-impact-of-polypharmacy
#4
John Read, Aimee Gee, Jacob Diggle, Helen Butler
Antidepressant drugs are being prescribed at ever increasing rates internationally, despite marginal benefit compared to placebo and a range of adverse effects. Most studies of adverse effects focus on biological phenomena. This article presents the results of an online survey of 1008 self-selected anti-depressant users in Britain, which asked about five adverse effects in the interpersonal domain. The most commonly reported among participants who took only antidepressants were: Sex Life - 43.7%, Work or Study - 27...
July 3, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/28695536/molecular-mechanisms-underlying-the-anti-depressant-effects-of-resveratrol-a-review
#5
REVIEW
Marcos Roberto de Oliveira, Aline Lukasievicz Chenet, Adriane Ribeiro Duarte, Giselli Scaini, João Quevedo
Major depression is a public health problem, affecting 121 million people worldwide. Patients suffering from depression present high rates of morbidity, causing profound economic and social impacts. Furthermore, patients with depression present cognitive impairments, which could influence on treatment adherence and long-term outcomes. The pathophysiology of major depression is not completely understood yet but involves reduced levels of monoamine neurotransmitters, bioenergetics, and redox disturbances, as well as inflammation and neuronal loss...
July 10, 2017: Molecular Neurobiology
https://www.readbyqxmd.com/read/28694433/antidepressant-effect-of-taurine-in-chronic-unpredictable-mild-stress-induced-depressive-rats
#6
Gao-Feng Wu, Shuang Ren, Ri-Yi Tang, Chang Xu, Jia-Qi Zhou, Shu-Mei Lin, Ying Feng, Qun-Hui Yang, Jian-Min Hu, Jian-Cheng Yang
Depression, a psychiatric and dysthymic disorder, severely affects the learning, work and life quality. The main pathogenesis of depression is associated with central nervous system (CNS) dysfunction. Taurine has been demonstrated to exert protective effects on the brain development and can improve learning ability and memory. Our study investigated the antidepressant-like effects of taurine pre-treatment by examining the changes in depression-like behavior, hormones, neurotransmitters, inflammatory factors and neurotrophic factors in the hippocampus of a chronic unpredictable mild stress (CUMS)-induced depressive rat model...
July 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28687902/decreased-brain-serotonin-turnover-rate-following-administration-of-sharbat-e-ahmed-shah-produces-antidepressant-and-anxiolytic-effect-in-rats
#7
Muhammad Ahmed, Aisha Azmat
Sharbat-e-Ahmed Shah (SAS) has usually been used in Traditional Unani Medicine (TUM) for depression and insomnia but still not evaluated for its anti-depressant and Neuropharmacological activity. In the present study, a Human dose of SAS (0.6 ml/kg/d) was administered orally to the rats for 15 consecutive days. Antidepressant and anxiolytic were screened scientifically in rats by using Forced swim test and light and dark box test. At the end of study high-performance liquid chromatographic (HPLC) method with electrochemical (EC) detector was used for the measurement of blood and brain tryptophan and brain serotonin levels...
July 7, 2017: Metabolic Brain Disease
https://www.readbyqxmd.com/read/28672900/5-ht-in-the-dorsal-raphe-nucleus-is-involved-in-the-effects-of-100-hz-electro-acupuncture-on-the-pain-depression-dyad-in-rats
#8
Yuan-Yuan Wu, Yong-Liang Jiang, Xiao-Fen He, Xiao-Yun Zhao, Xiao-Mei Shao, Jing Sun, Zui Shen, Shen-Yun Shou, Jun-Jun Wei, Jia-Yu Ye, Si-Si Yan, Jian-Qiao Fang
The pain-depression dyad is becoming widespread in the clinic and is attracting increasing attention. A previous study by our group found that 100-Hz electro-acupuncture (EA), but not 2-, 50- and 2/100-Hz EA, was effective against the reserpine-induced pain-depression dyad. This finding is in contrast to the fact that low-frequency EA is commonly used to treat supraspinal-originating diseases. The present study aimed to investigate the mechanism underlying the effects of 100-Hz EA on the pain-depression dyad...
July 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28648406/n-2-morpholin-4-yl-ethyl-2-1naphthyloxy-acetamide-inhibits-the-chronic-constriction-injury-generated-hyperalgesia-via-the-antagonism-of-sigma-1-receptors
#9
Josué Vidal Espinosa-Juárez, Osmar Antonio Jaramillo-Morales, Gabriel Navarrete-Vázquez, Luis Alberto Melo Hernández, Myrna Déciga-Campos, Francisco Javier López-Muñoz
The most used therapeutic treatment to relieve neuropathic pain is that of neuromodulators such as anti-epileptics or anti-depressants; however, there are alternatives that may be potentially useful. The sigma-1 receptor is a therapeutic target that has shown favorable results at preclinical levels. The aim of this study was to evaluate the anti-hyperalgesic effect of N-(2-morpholin-4-yl-ethyl)-2-(1-naphthyloxy) acetamide (NMIN) in a chronic constriction injury model (CCI) and compare it both a sigma-1 antagonist (BD-1063) and also Gabapentin, as well as determine its possible role as an antagonist of sigma-1 receptors...
June 22, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28630404/activation-of-d1r-pka-mtor-signaling-cascade-in-medial-prefrontal-cortex-underlying-the-antidepressant-effects-of-l-spd
#10
Bing Zhang, Fei Guo, Yuqin Ma, Yingcai Song, Rong Lin, Fu-Yi Shen, Guo-Zhang Jin, Yang Li, Zhi-Qiang Liu
Major depressive disorder (MDD) is a common neuropsychiatric disorder characterized by diverse symptoms. Although several antidepressants can influence dopamine system in the medial prefrontal cortex (mPFC), but the role of D1R or D2R subtypes of dopamine receptor during anti-depression process is still vague in PFC region. To address this question, we investigate the antidepressant effect of levo-stepholidine (l-SPD), an antipsychotic medication with unique pharmacological profile of D1R agonism and D2R antagonism, and clarified its molecular mechanisms in the mPFC...
June 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28606822/genistein-a-dietary-soy-isoflavone-exerts-antidepressant-like-effects-in-mice-involvement-of-serotonergic-system
#11
Pei Hu, Li Ma, Yan-Gui Wang, Feng Ye, Chuang Wang, Wen-Hua Zhou, Xin Zhao
Genistein, a principal isoflavone property of soybeans, possesses multiple pharmacological activities such as neuroprotection. Recently, it was reported that genistein exerted antidepressant-like effects in animal models, but the mechanism of action remains ambiguous. The purpose of this study was to investigate the antidepressant-like effect of genistein in mice and explore the underlying mechanism(s), using two mouse models of depression, i.e. forced swim test (FST) and tail suspension test (TST). Chronic, but not acute (single dose), genistein treatment (5, 15 or 45 mg/kg, p...
June 9, 2017: Neurochemistry International
https://www.readbyqxmd.com/read/28601589/sharpsports-mental-health-awareness-research-project-prevalence-and-risk-factors-of-depressive-symptoms-and-life-stress-in-elite-athletes
#12
Sarah Beable, Mark Fulcher, Arier C Lee, Bruce Hamilton
OBJECTIVES: Our study aims to estimate the prevalence of symptoms of depression and daily life hassles in elite athletes. DESIGN: A cross-sectional prospective epidemiological study design. METHODS: An online anonymous survey was administered during a 2-month period from May to July 2015. Athletes 18 years of age (or older) who were members of the High Performance Sport New Zealand programme were invited to participate. Of 370 potential participants, 187 completed responses were received (51%)...
May 17, 2017: Journal of Science and Medicine in Sport
https://www.readbyqxmd.com/read/28585192/rsk2-knockout-affects-emotional-behavior-in-the-intellicage
#13
Matthias Fischer, Victoria Cabello, Sandy Popp, Sven Krackow, Leif Hommers, Jürgen Deckert, Klaus-Peter Lesch, Angelika G Schmitt-Böhrer
Ribosomal s6 kinase 2 is a growth factor activated serine/threonine kinase and member of the ERK signaling pathway. Mutations in the Rsk2 gene cause Coffin-Lowry syndrome, a rare syndromic form of intellectual disability. The Rsk2 KO mouse model was shown to have learning and memory defects. We focused on the investigation of the emotional behavioral phenotype of Rsk2 KO mice mainly in the IntelliCage. They exhibited an anti-depressive, sucrose reward seeking phenotype and showed reduced anxiety. Spontaneous activity was increased in some conventional tests...
June 6, 2017: Behavior Genetics
https://www.readbyqxmd.com/read/28579928/single-cell-amperometry-reveals-curcuminoids-modulate-the-release-of-neurotransmitters-during-exocytosis-from-pc12-cells
#14
Xianchan Li, Amir Saeid Mohammadi, Andrew G Ewing
We used single cell amperometry to examine whether curcumin and bisdemethoxycurcumin (BDMC), substances that are suggested to affect learning and memory, can modulate monoamine release from PC12 cells. Our results indicate both curcumin and BDMC need long-term treatment (72 h in this study) to influence exocytosis effectively. By analyzing the parameters calculated from single exocytosis events, it can be concluded that curcumin and BDMC affect exocytosis through different mechanisms. Curcumin accelerates the event dynamics with no significant change of the monoamine amount released from single exocytotic events, whereas BDMC attenuates the amount from single exocytotic event with no significant change of the event dynamics...
November 15, 2016: Journal of Electroanalytical Chemistry
https://www.readbyqxmd.com/read/28554064/driving-under-the-influence-of-drugs-perceptions-and-attitudes-of-new-zealand-drivers
#15
Neha Malhotra, Nicola J Starkey, Samuel G Charlton
This study explored the patterns of drug driving in New Zealand by investigating 1) drivers' perceptions about impairment caused by legal and illegal drugs 2) countermeasures employed by drivers when under the influence of drugs (e.g., decisions not to drive) 3) drivers' attitudes about police enforcement of drug driving and 4) the factors that predict the likelihood of engaging in drug driving. Participants (n=434) were licensed drivers who completed an online questionnaire. Results of the questionnaire indicated that drivers rated hallucinogens and opiates as being the illegal drugs producing the highest level of driving impairment and cannabis the lowest...
May 26, 2017: Accident; Analysis and Prevention
https://www.readbyqxmd.com/read/28538206/spectroscopic-far-or-terahertz-mid-infrared-and-raman-investigation-thermal-analysis-and-biological-activity-of-piplartine
#16
Anubha Srivastava, T Karthick, B D Joshi, Rashmi Mishra, Poonam Tandon, A P Ayala, Javier Ellena
Research in the field of medicinal plants including Piper species like long pepper (Piper longum L.- Piperaceae) is increasing all over the world due to its use in traditional and Ayurvedic medicine. Piplartine (piperlongumine, 5,6-dihydro-1-[(2E)-1-oxo-3-(3,4,5-trimethoxyphenyl)-2-propenyl]-2(1H)-pyridinone), a biologically active alkaloid/amide was isolated from the phytochemical investigations of Piper species, as long pepper. This alkaloid has cytotoxic, anti-fungal, anti-diabetic, anti-platelet aggregation, anti-tumoral, anxiolytic, anti-depressant, anti-leishmanial, and genotoxic activities, but, its anticancer property is the most promising and has been widely explored...
May 5, 2017: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
https://www.readbyqxmd.com/read/28503523/treadmill-exercise-ameliorates-depressive-symptoms-through-increasing-serotonin-expression-in-postpartum-depression-rats
#17
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/28503402/physical-exercise-for-treatment-of-mood-disorders-a-critical-review
#18
C M Hearing, W C Chang, K L Szuhany, T Deckersbach, A A Nierenberg, L G Sylvia
PURPOSE OF THE REVIEW: The purpose of this review is to critically assess the evidence for exercise as an adjunct intervention for major depressive disorder and bipolar disorder, chronic conditions characterized by frequent comorbid conditions as well as interepisodic symptoms with poor quality of life and impaired functioning. Individuals with these mood disorders are at higher risk of cardiovascular disease and premature death in part because of increased rates of obesity, inactivity, and diabetes mellitus compared to the general population...
December 2016: Current Behavioral Neuroscience Reports
https://www.readbyqxmd.com/read/28501680/dilated-virchow-robin-spaces-in-the-hippocampus-impact-behaviors-and-effects-of-anti-depressant-treatment-in-model-of-depressed-rats
#19
Yuefeng Li, Jinchuan Yan, Xiaolan Zhu, Yan Zhu, Shun Yao, Yuhao Xu, Shenghong Ju
The occurrences of dilated Virchow-Robin spaces (dVRSs) and inflammatory factors were closely related with development of depression and antidepressants. The present study indicated accumulation of inflammatory factors in dVRSs played a practical role in behaviors and the treatment-resistant in rats with depression. Eighty-one male Wistar rats were exposed to chronic unpredictable mild stress (CUMS) until the model was successfully established. According to the detection of dVRSs on 7 T structural magnetic resonance imaging (MRI), rats were divided into two groups (45 CUMS(non-dVRSs) rats and 36 CUMS(dVRSs) rats)...
April 21, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/28499312/evidence-for-the-involvement-of-monoaminergic-pathways-in-the-antidepressant-like-activity-of-cymbopogon-citratus-in-mice
#20
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...
July 2017: Drug Research
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