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Serotonin depression

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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
#1
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/29326295/randomised-controlled-trial-of-escitalopram-for-cervical-dystonia-with-dystonic-jerks-tremor
#2
Evelien Zoons, Jan Booij, Catherine C S Delnooz, Joke M Dijk, Yasmine E M Dreissen, Johannes H T M Koelman, Sandra M A van der Salm, Matej Skorvanek, Marenka Smit, Majid Aramideh, Henriette Bienfait, Agnita J W Boon, Jeroen W M Brans, Edo Hoogerwaard, Ad Hovestadt, Daan J Kamphuis, Alexander G Munts, Johannes D Speelman, Marina A J Tijssen
OBJECTIVE: Trials for additional or alternative treatments for cervical dystonia (CD) are scarce since the introduction of botulinum neurotoxin (BoNT). We performed the first trial to investigate whether dystonic jerks/tremor in patients with CD respond to the selective serotonin reuptake inhibitor (SSRI) escitalopram. METHODS: In a randomised, double-blind, crossover trial, patients with CD received escitalopram and placebo for 6 weeks. Treatment with BoNT was continued, and scores on rating scales regarding dystonia, psychiatric symptoms and quality of life (QoL) were compared...
January 11, 2018: Journal of Neurology, Neurosurgery, and Psychiatry
https://www.readbyqxmd.com/read/29325855/gating-of-long-term-potentiation-ltp-in-the-thalamocortical-auditory-system-of-rats-by-serotonergic-5-ht-receptors
#3
Karen K Y Lee, Chloe N Soutar, Hans C Dringenberg
The neuromodulator serotonin (5-hydroxytryptamine, 5-HT) plays an important role in controlling the induction threshold and maintenance of long-term potentiation (LTP) in the visual cortex and hippocampus of rodents. Serotonergic fibers also innervate the rodent primary auditory cortex (A1), but the regulation of A1 plasticity by 5-HT receptors (5-HTRs) is largely uncharted. Thus, we examined the role of several, predominant 5-HT receptor classes (5-HT1ARs, 5-HT2Rs, and 5-HT3Rs) in gating in vivo LTP induction at A1 synapses of adult, urethane-anesthetized rats...
January 8, 2018: Brain Research
https://www.readbyqxmd.com/read/29325731/pharmacogenomic-testing-in-child-and-adolescent-psychiatry-an-evidence-based-review
#4
Anna M Wehry, Laura Ramsey, Shane E Dulemba, Sarah A Mossman, Jeffrey R Strawn
Significant advances have been made in the application of pharmacogenomic testing for the treatment of patients with psychiatric disorders. Over the past decade, a number of studies have evaluated the utility of pharmacogenomic testing in pediatric patients with psychiatric disorders. The evidence base for pharmacogenomic testing in youth with depressive and anxiety disorders as well as attention/deficit hyperactivity disorder (ADHD) is reviewed in this article. General pharmacogenomic principles are summarized and functional polymorphisms in P450 enzymes (and associated metabolizer phenotypes), the serotonin transporter promoter polymorphisms, serotonin 2 A receptor genes (e...
January 8, 2018: Current Problems in Pediatric and Adolescent Health Care
https://www.readbyqxmd.com/read/29325311/-effects-of-trimetazidine-a-myocardial-metabolism-agent-on-regulating-5-hydroxytrytamine-system-of-rats-with-myocardial-infarction-and-or-depression
#5
(no author information available yet)
Objective: 5-Hydroxytrytamine (5-HT) system was reported to be associated with myocardial infarction (MI) and depression. The aim of the present study was to study the effect of trimetazidine on 5-HT in MI and/or depression rats. Methods: Ninety rats were divided into three groups: trimetazidine, sertraline and saline groups (n=30 in each group), and pretreated with trimetazidine, sertarline, or saline, respectively, by gavage once a day for 4 weeks. Thereafter, each group was further divided into three subgroups: MI subgroup, depression subgroup, and MI+ depression subgroup...
January 1, 2018: Zhonghua Nei Ke za Zhi [Chinese Journal of Internal Medicine]
https://www.readbyqxmd.com/read/29323797/relations-between-cortical-thickness-serotonin-1a-receptor-binding-and-structural-connectivity-a-multimodal-imaging-study
#6
Rajapillai L I Pillai, Ashwin Malhotra, Deborah D Rupert, Bennett Weschler, John C Williams, Mengru Zhang, Jie Yang, J John Mann, Maria A Oquendo, Ramin V Parsey, Christine DeLorenzo
Serotonin 1A (5-HT1A ) receptors play a direct role in neuronal development, cell proliferation, and dendritic branching. We hypothesized that variability in 5-HT1A binding can affect cortical thickness, and may account for a subtype of major depressive disorder (MDD) in which both are altered. To evaluate this, we measured cortical thickness from structural magnetic resonance imaging (MRI) and 5-HT1A binding by positron emission tomography (PET) in an exploratory study. To examine a range of 5-HT1A binding and cortical thickness values, we recruited 25 healthy controls and 19 patients with MDD...
February 2018: Human Brain Mapping
https://www.readbyqxmd.com/read/29321989/antidepressant-like-effects-of-gan-mai-dazao-tang-via-monoamine-regulatory-pathways-on-forced-swimming-test-in-rats
#7
Hsiang-Ling Huang, Swee-Ling Lim, Kuan-Hung Lu, Lee-Yan Sheen
Depression is a highly prevalent and recurrent mental disorder that impacts all aspects of human life. Undesirable effects of the antidepressant drugs led to the development of complementary and alternative therapies. Gan-Mai-Da-Zao-Tang (, gān mài dà zǎo tang) is a traditional herbal formula commonly used for the treatment of depression, but lack of scientific proof on its mechanism. It consisted of Glycyrrhiza uralensis Fisch. (licorice), Triticum aestivum L. (wheat) and Zizphus jujuba Mill. (jujube)...
January 2018: Journal of Traditional and Complementary Medicine
https://www.readbyqxmd.com/read/29313079/comprehensive-characterization-of-neurochemicals-in-three-zebrafish-chemical-models-of-human-acute-organophosphorus-poisoning-using-liquid-chromatography-tandem-mass-spectrometry
#8
Cristian Gómez-Canela, Daniel Tornero-Cañadas, Eva Prats, Benjamí Piña, Romà Tauler, Demetrio Raldúa
There is a growing interest in biological models to investigate the effect of neurotransmitter dysregulation on the structure and function of the central nervous system (CNS) at different stages of development. Zebrafish, a vertebrate model increasingly used in neurobiology and neurotoxicology, shares the common neurotransmitter systems with mammals, including glutamate, GABA, glycine, dopamine, norepinephrine, epinephrine, serotonin, acetylcholine, and histamine. In this study, we have evaluated the performance of liquid chromatography-tandem mass spectrometry (LC-MS/MS) for the multiresidue determination of neurotransmitters and related metabolites...
January 9, 2018: Analytical and Bioanalytical Chemistry
https://www.readbyqxmd.com/read/29310728/bdnf-and-nrg1-polymorphisms-and-temperament-in-selective-serotonin-reuptake-inhibitor-treated-patients-with-major-depression
#9
Kadri Andre, Olli Kampman, Merja Viikki, Eija Setälä-Soikkeli, Ari Illi, Nina Mononen, Terho Lehtimäki, Esa Leinonen
OBJECTIVE: We investigated the separate effects of and possible interactions between the functional polymorphisms of brain-derived neurotrophic factor (BDNF) rs11030101, BDNF rs61888800, and neuregulin-1 (NRG1) rs3924999 and NRG1 rs6994992 on change of temperament scores in a clinical sample of subjects with major depression (MDD), who received selective serotonin reuptake inhibitor treatment for a period of 6 weeks. METHODS: The study population consisted of 98 Finnish individuals with MDD...
January 9, 2018: Acta Neuropsychiatrica
https://www.readbyqxmd.com/read/29307018/the-role-of-tryptophan-metabolism-in-postpartum-depression
#10
REVIEW
Kai-Ming Duan, Jia-Hui Ma, Sai-Ying Wang, ZhengDong Huang, YingYong Zhou, HeYa Yu
The Postpartum depression (PPD) is the most common postpartum psychiatric disorder, afflicting approximately 10%-20% of new mothers. Clinical symptoms of the PPD include depressive disorder, agitation, insomnia, anxiety and confusion, resulting in an increase in suicidal tendencies, thereby having significant impacts on the puerpera, newborn and their family. A growing body of data indicate a role for alterations in tryptophan metabolism in the PPD. The metabolism of tryptophan produces an array of crucial factors that can differentially regulate key physiological processes linked to the PPD...
January 6, 2018: Metabolic Brain Disease
https://www.readbyqxmd.com/read/29305532/lrrk2-g2019s-induces-anxiety-depression-like-behavior-prior-to-the-onset-of-motor-dysfunction-with-5-ht1a-receptor-upregulation-in-mice
#11
Juhee Lim, Yeojin Bang, Jong-Hyun Choi, Arum Han, Min-Soo Kwon, Kwang Hyeon Liu, Hyun Jin Choi
Mutations in the leucine-rich repeat kinase 2 (LRRK2) gene are the most common genetic cause of Parkinson's disease (PD). The neuropathology of LRRK2 mutation-related PD is indistinguishable from that of idiopathic PD, including increased dopaminergic neurodegeneration and Lewy bodies, but its subtle non-motor phenotypes have not been fully evaluated. In the present study, we examined anxiety/depression-like behaviors and accompanying neurochemical changes in differently aged transgenic (Tg) mice expressing human mutant LRRK2 G2019S...
January 5, 2018: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/29302568/severe-hyponatremia-associated-with-escitalopram
#12
Gautam Rawal, Raj Kumar, Sankalp Yadav
Hyponatremia is a rare but potentially fatal complication of selective serotonin reuptake inhibitor (SSRI) therapy with only limited cases of escitalopram as the causative drug. We report the case of a 54-year-old hypertensive female who was admitted to the hospital with seizure episode and subsequently diagnosed to have severe hyponatremia due to SSRI-induced syndrome of inappropriate antidiuretic hormone (SIADH) with the cause attributed to the short history of intake of escitalopram for depression. All SSRIs, including escitalopram, can cause SIADH and should be used with caution in the depressive patients with regular monitoring of electrolytes, especially in the elderly...
April 2017: Journal of Family Medicine and Primary Care
https://www.readbyqxmd.com/read/29302214/antidepressant-drug-paroxetine-blocks-the-open-pore-of-kv3-1-potassium-channel
#13
Hyang Mi Lee, Ok Hee Chai, Sang June Hahn, Bok Hee Choi
In patients with epilepsy, depression is a common comorbidity but difficult to be treated because many antidepressants cause pro-convulsive effects. Thus, it is important to identify the risk of seizures associated with antidepressants. To determine whether paroxetine, a very potent selective serotonin reuptake inhibitor (SSRI), interacts with ion channels that modulate neuronal excitability, we examined the effects of paroxetine on Kv3.1 potassium channels, which contribute to highfrequency firing of interneurons, using the whole-cell patch-clamp technique...
January 2018: Korean Journal of Physiology & Pharmacology
https://www.readbyqxmd.com/read/29300091/what-contributes-to-snris-dual-targeting-mechanism-the-key-role-of-tm6-domain-in-hsert-and-hnet-revealed-by-molecular-dynamics-simulation
#14
Weiwei Xue, Fengyuan Yang, Panpan Wang, Guoxun Zheng, Yuzong Chen, Xiaojun Yao, Feng Zhu
Dual inhibition of serotonin and norepinephrine transporters (hSERT and hNET) gives greatly improved efficacy and tolerability for treating major depressive disorder (MDD) comparing with selective reuptake inhibitors. Pioneer studies provided valuable information of structure, function, and pharmacology of drugs dual-targeting hSERT and hNET (SNRIs), and the differential binding mechanism between SNRIs and selective inhibitors of 5-HT (SSRIs) / NE (sNRIs) to their corresponding target was expected to be able to facilitate the discovery of privileged drug-like scaffold with improved efficacy...
January 4, 2018: ACS Chemical Neuroscience
https://www.readbyqxmd.com/read/29296032/escitalopram-induced-siadh-in-an-elderly-female-a-case-study
#15
Sudha Vidyasagar, Karthik Rao, Muralidhar Verma, Aswini Dutt Tripuraneni, Navin Patil, Dipanjan Bhattacharjee
Hyponatraemia is a well-established and potentially, a life-threatening adverse effect of selective serotonin receptor uptake inhibitors (SSRI). However, its occurrence secondary to syndrome of inappropriate antidiuretic hormone secretion (SIADH) with escitalopram, has been reported extremely sporadically. The reporting of such rare, but life-threatening adverse effects of escitalopram assumes immense significance in light of the fact that SSRIs presently form the mainstay of treatment of depressive disorders...
September 15, 2017: Psychopharmacology Bulletin
https://www.readbyqxmd.com/read/29291430/the-potential-benefit-of-combined-versus-monotherapy-of-coenzyme-q10-and-fluoxetine-on-depressive-like-behaviors-and-intermediates-coupled-to-gsk-3%C3%AE-in-rats
#16
Sally A Abuelezz, Nevien Hendawy, Yosra Magdy
As a part of the serotoninergic dysfunction implicated in neurobiology of depression, evidence has focused on serotonin (5-HT) receptors downstream signaling intermediates including glycogen synthase kinase-3β (GSK-3β), cAMP response element binding protein (CREB) and brain derived neurotrophic factor (BDNF). Our team previously reported that coenzyme Q10 (CoQ10) exerted antidepressant-like effect in rats exposed to chronic unpredictable mid stress (CUMS) via elevating serotonin levels. However, the effect of CoQ10 has not been elucidated in downstream signaling molecules mediating 5HT receptors' effect involved in depressive disorder hitherto...
December 29, 2017: Toxicology and Applied Pharmacology
https://www.readbyqxmd.com/read/29289374/safety-of-flibanserin-in-women-treated-with-antidepressants-a-randomized-placebo-controlled-study
#17
Anita H Clayton, Harry A Croft, James Yuan, Louise Brown, Robert Kissling
BACKGROUND: Depression is often associated with sexual dysfunction, and pharmacologic treatment for hypoactive sexual desire disorder can be considered in women receiving treatment for depression. AIM: To evaluate the safety of flibanserin in women treated for depression with selective serotonin reuptake inhibitors or serotonin and norepinephrine reuptake inhibitors. METHODS: In this double-blinded, randomized, placebo-controlled trial, women with remitted or mild depression treated with selective serotonin reuptake inhibitors or serotonin and norepinephrine reuptake inhibitors who were not postmenopausal and were experiencing symptoms of hypoactive sexual desire disorder (ie, decreased sexual desire and related distress) received flibanserin 50 mg at bedtime (qhs) for 2 weeks and up-titrated to 100 mg qhs, flibanserin 100 mg qhs for the entire treatment period, or placebo for up to 12 weeks...
January 2018: Journal of Sexual Medicine
https://www.readbyqxmd.com/read/29287766/serotonin-transporter-gene-expression-predicts-the-worsening-of-suicidal-ideation-and-suicide-attempts-along-a-long-term-follow-up-of-a-major-depressive-episode
#18
Julia-Lou Consoloni, El Chérif Ibrahim, Marie-Noëlle Lefebvre, Xavier Zendjidjian, Emilie Olié, Pascale Mazzola-Pomietto, Thomas Desmidt, Ludovic Samalin, Pierre-Michel Llorca, Mocrane Abbar, Jorge Lopez-Castroman, Emmanuel Haffen, Karine Baumstarck, Jean Naudin, Jean-Michel Azorin, Wissam El-Hage, Philippe Courtet, Raoul Belzeaux
The quest for biomarkers in suicidal behaviors has been elusive so far, despite their potential utility in clinical practice. One of the most robust biological findings in suicidal behaviors is the alteration of the serotonin transporter function in suicidal individuals. Our main objective was to investigate the predictive value of the serotonin transporter gene expression (SLC6A4) for suicidal ideation and as secondary, for suicide attempts in individuals with a major depressive episode (MDE). A 30-week prospective study was conducted on 148 patients with a MDE and 100 healthy controls including 4 evaluation times (0, 2, 8 and 30 weeks)...
December 26, 2017: European Neuropsychopharmacology: the Journal of the European College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/29286104/treatment-with-shuyu-capsule-increases-5-ht1ar-level-and-activation-of-camp-pka-creb-pathway-in-hippocampal-neurons-treated-with-serum-from-a-rat-model-of-depression
#19
Xiao-Long Wang, Jie Gao, Xiao-Yu Wang, Xiao-Fei Mu, Sheng Wei, Ling Xue, Ming-Qi Qiao
Depressive disorder (DD) is one of the typical affective disorders with a high morbidity, high suicide rate and high recurrence rate. Dysfunction of the 5‑hydroxytryptamine 1A receptor (5‑HT1AR) in the brain may serve an important role in the pathogenesis of DD. Currently, selective serotonin reuptake inhibitors are the first line antidepressants with 60‑70% efficacy and severe adverse effects. Previous studies have demonstrated that Chinese herbal medicines, including the Shuyu capsule (SYC), are effective antidepressants with few side effects...
December 22, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29283064/glycogen-synthase-kinase-3%C3%AE-as-a-putative-therapeutic-target-for-bipolar-disorder
#20
Manoj P Dandekar, Samira S Valvassori, Gustavo Colombo Dal-Pont, Joao L DeQuevedo
BACKGROUND: Bipolar disorder (BD) is a debilitating mental ailment characterized by recurrent episodes of mania and depression. Primary mood-stabilizing drugs like lithium and valproate alleviate the hypomanic or mild to moderate manic episodes in patients with BD. One of the extensively studied underlying mechanisms for these pharmacological interventions is inhibition of intracellular signaling cascades associated with glycogen synthase kinase-3 beta (GSK-3β), a multi-functional serine-threonine kinase...
December 27, 2017: Current Drug Metabolism
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