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Serotonin depression

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https://www.readbyqxmd.com/read/29789327/antidepressant-use-and-risk-of-colorectal-cancer-in-the-women-s-health-initiative
#1
Jenna Kiridly-Calderbank, Susan R Sturgeon, Candyce H Kroenke, Katherine W Reeves
BACKGROUND: Some prior studies have reported reduced colorectal cancer risk among individuals using antidepressant (AD) medications, especially selective serotonin reuptake inhibitors (SSRIs). Yet, most studies have not considered the potential role of depression or other confounders in their analyses. METHODS: We utilized prospectively collected data from 145,190 participants in the Women's Health Initiative, among whom 2,580 incident colorectal cancer cases were diagnosed...
May 22, 2018: Cancer Epidemiology, Biomarkers & Prevention
https://www.readbyqxmd.com/read/29787674/single-quantum-dot-tracking-reveals-serotonin-transporter-diffusion-dynamics-are-correlated-with-cholesterol-sensitive-threonine-276-phosphorylation-status-in-primary-midbrain-neurons
#2
Danielle M Bailey, Mackenzie A Catron, Oleg Kovtun, Robert L Macdonald, Qi Zhang, Sandra J Rosenthal
Serotonin transporter (SERT) terminates serotonin signaling in the brain by enabling rapid clearance of the neurotransmitter. SERT dysfunction has been associated with a variety of psychiatric disorders, including depression, anxiety, and autism. Visualizing SERT behavior at the single molecule level in endogenous systems remains a challenge. In this study, we utilize quantum dot (QD) single particle tracking (SPT) to capture SERT dynamics in primary rat midbrain neurons. Membrane microenvironment, specifically membrane cholesterol, plays a key role in SERT regulation and has been found to affect SERT conformational state...
May 24, 2018: ACS Chemical Neuroscience
https://www.readbyqxmd.com/read/29786810/-epilepsy-and-comorbid-neurodevelopmental-disorders
#3
Viviann Nordin, Ingrid B Olsson, Torbjörn Tomson
In children and adults with epilepsy, it is important to be aware of and diagnose common comorbidities that may have a large impact on quality of life. Comorbid neurodevelopmental disorders include intellectual disability, autism, and attention deficit hyperactivity disorder (ADHD). Depression and anxiety are common findings, and also the risk of psychosis is increased. The medication used to treat these comorbidities is found to be effective with little risks of seizure exacerbation, i.e. medication with methylphenidate, selective serotonin reuptake inhibitors (SSRIs) and second generation neuroleptics...
May 22, 2018: Läkartidningen
https://www.readbyqxmd.com/read/29779439/descriptive-phenotype-of-obsessive-compulsive-symptoms-in-males-with-duchenne-muscular-dystrophy
#4
Angela J Lee, Edward T Buckingham, Aaron J Kauer, Katherine D Mathews
Increased rates of clinically significant internalizing disorders (obsessive compulsive disorder, anxiety, and depression) have been demonstrated in males with Duchenne muscular dystrophy, and a Duchenne muscular dystrophy neuropsychiatric syndrome has been suggested. Although symptoms of depression are widely recognized, some of the other internalizing symptoms are less frequently identified. Through a retrospective chart review of 107 males with Duchenne muscular dystrophy, we identified 15 patients with obsessive compulsive disorder spectrum symptoms; 11 of those also had anxiety symptoms...
January 1, 2018: Journal of Child Neurology
https://www.readbyqxmd.com/read/29777939/variation-of-genes-encoding-kat1-aadat-and-ido1-as-a-potential-risk-of-depression-development
#5
Paulina Wigner, Piotr Czarny, Ewelina Synowiec, Michał Bijak, Monika Talarowska, Piotr Galecki, Janusz Szemraj, Tomasz Sliwinski
Numerous data suggests that the disorders of tryptophan catabolites (TRYCATs) pathway, including a decreased level of tryptophan or evaluated concentration of harmful TRYCATs -kynurenine, quinolinic acid, 3-hydroxyanthranilic acid, 3-hydroxytryptophan - may cause the occurrence of DD symptoms. In this work, we assessed the relationship between single-nucleotide polymorphisms (SNPs) of KAT1, KAT2 and IDO1 gene encoding, and the risk of depression development. Our study was performed on the DNA isolated from peripheral blood of 281 depressed patients and 236 controls...
May 16, 2018: European Psychiatry: the Journal of the Association of European Psychiatrists
https://www.readbyqxmd.com/read/29775613/suppression-of-nlrp3-inflammasome-attenuates-stress-induced-depression-like-behavior-in-nlgn3-deficient-mice
#6
Ze-Qun Li, Zhi-Yuan Yan, Bo-Jun Lan, Yi-Qun Dong, Ye Xiong
Depression, regulated by central nervous system (CNS), is a significant inflammatory disorder. Neuroligin3 (NLGN3) has been implicated in brain functions. In the study, a chronic unpredictable mild stress (CUMS) model in wild type (WT) or NLGN3-knockout (KO) mice was established to explore the role of NLGN3 in regulating depression and to reveal the underlying molecular mechanism. The results indicated that NLGN3-knockout markedly reversed the loss of body weight, the reduction of sucrose consumption, the decrease of immobile time in the forced swimming tests (FST) and tail suspension tests (TST) induced by CUMS paradigm...
May 15, 2018: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29773951/the-role-of-neuroinflammation-and-neurovascular-dysfunction-in-major-depressive-disorder
#7
REVIEW
Sang Won Jeon, Yong-Ku Kim
Although depression has generally been explained with monoamine theory, it is far more multifactorial, and therapies that address the disease's pathway have not been developed. In this context, an understanding of neuroinflammation and neurovascular dysfunction would enable a more comprehensive approach to depression. Inflammation is in a sense a type of allostatic load involving the immune, endocrine, and nervous systems. Neuroinflammation is involved in the pathophysiology of depression by increasing proinflammatory cytokines, activating the hypothalamus-pituitary-adrenal axis, increasing glucocorticoid resistance, and affecting serotonin synthesis and metabolism, neuronal apoptosis and neurogenesis, and neuroplasticity...
2018: Journal of Inflammation Research
https://www.readbyqxmd.com/read/29763587/mice-exposed-to-bisphenol-a-exhibit-depressive-like-behavior-with-neurotransmitter-and-neuroactive-steroid-dysfunction
#8
Frances Xin, Erin Fischer, Christopher Krapp, Elizabeth N Krizman, Yemin Lan, Clementina Mesaros, Nathaniel W Snyder, Amita Bansal, Michael B Robinson, Rebecca A Simmons, Marisa S Bartolomei
Fetal exposure to endocrine disrupting chemicals (EDCs) has been associated with adverse neurobehavioral outcomes across the lifespan and can persist across multiple generations of offspring. However, the underlying mechanisms driving these changes are not well understood. We investigated the molecular perturbations associated with EDC-induced behavioral changes in first (F1) and second (F2) filial generations, using the model EDC bisphenol A (BPA). C57BL/6J dams were exposed to BPA from preconception until lactation through the diet at doses (10 μg/kg bw/d-lower dose or 10 mg/kg bw/d-upper dose) representative of human exposure levels...
May 18, 2018: Hormones and Behavior
https://www.readbyqxmd.com/read/29761479/antidepressants-for-insomnia-in-adults
#9
REVIEW
Hazel Everitt, David S Baldwin, Beth Stuart, Gosia Lipinska, Andrew Mayers, Andrea L Malizia, Christopher Cf Manson, Sue Wilson
BACKGROUND: Insomnia disorder is a subjective condition of unsatisfactory sleep (e.g. sleep onset, maintenance, early waking, impairment of daytime functioning). Insomnia disorder impairs quality of life and is associated with an increased risk of physical and mental health problems including anxiety, depression, drug and alcohol abuse, and increased health service use. hypnotic medications (e.g. benzodiazepines and 'Z' drugs) are licensed for sleep promotion, but can induce tolerance and dependence, although many people remain on long-term treatment...
May 14, 2018: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/29761101/fibromyalgia-syndrome-a-case-report-on-controlled-remission-of-symptoms-by-a-dietary-strategy
#10
Silvia Maria Lattanzio, Francesca Imbesi
A 34-year-old woman suffered from significant chronic pain, depression, non-restorative sleep, chronic fatigue, severe morning stiffness, leg cramps, irritable bowel syndrome, hypersensitivity to cold, concentration difficulties, and forgetfulness. Blood tests were negative for rheumatic disorders. The patient was diagnosed with Fibromyalgia syndrome (FMS). Due to the lack of effectiveness of pharmacological therapies in FMS, she approached a novel metabolic proposal for the symptomatic remission. Its core idea is supporting serotonin synthesis by allowing a proper absorption of tryptophan assumed with food, while avoiding, or at least minimizing the presence of interfering non-absorbed molecules, such as fructose and sorbitol...
2018: Frontiers in Medicine
https://www.readbyqxmd.com/read/29757463/depression-related-behavioural-and-neuroendocrine-changes-in-the-spontaneously-diabetic-torii-sdt-fatty-rat-an-animal-model-of-type-2-diabetes-mellitus
#11
Katsuya Sakimura, Tatsuya Maekawa, Kazuo Sasagawa, Yukihito Ishii, Shin-Ichi Kume, Takeshi Ohta
Depression is one of the most common psychiatric diseases and is commonly comorbid with type 1 or 2 diabetes mellitus (DM). However, the pathophysiology underlying the depressive state in DM remains poorly understood. Animal models are useful tools to investigate the association between depression and DM. In the present study we investigated whether the Spontaneously Diabetic Torii (SDT) fatty rat, a novel animal model of type 2 DM, shows depression-related features. We assessed depression-like behaviour, hyperactivation of the hypothalamic-pituitary-adrenal (HPA) axis, and neurotransmitter levels in the brain...
May 14, 2018: Clinical and Experimental Pharmacology & Physiology
https://www.readbyqxmd.com/read/29755571/plasma-oxytocin-level-and-sexual-dysfunction-in-depressed-women-treated-by-either-fluoxetine-or-citalopram-a-pilot-clinical-trial
#12
Mohammad Abbasinazari, Mona Heidari-Kord, Azadeh Mazaheri-Meybodi, Azadeh Eshraghi, Nima Bayati
Sexual dysfunction is a common cause of selective serotonin reuptake inhibitor (SSRI) withdrawal. Various studies indicate that decreased oxytocin is involved as a mechanism of delayed ejaculation induced by SSRIs. The aim of the present pilot study was to evaluate and compare sexual dysfunction and oxytocin levels in women being treated with either fluoxetine or citalopram. Thirty-nine women with the diagnosis of major depressive disorder were enrolled in the study. A baseline blood sample was collected and each participant was given either fluoxetine 20 mg/d or citalopram 20 mg/d...
2018: Iranian Journal of Pharmaceutical Research: IJPR
https://www.readbyqxmd.com/read/29754167/an-extract-of-synedrella-nodiflora-l-gaertn-exhibits-antidepressant-properties-through-monoaminergic-mechanisms
#13
Patrick Amoateng, Kennedy Kwami Edem Kukuia, Jeffrey Amoako Mensah, Dorcas Osei-Safo, Samuel Adjei, Audrey Akyea Eklemet, Emmanuel Atsu Vinyo, Thomas K Karikari
Synedrella nodiflora (SNE) has been used traditionally for many neurological conditions and some of these neuroactive effects have been scientifically substantiated. The usefulness of SNE in depression has however not been investigated despite the availability of data in other disease models indicating it may be useful. The present study therefore examined the effect of SNE in acute murine models of depression and the possible mechanisms mediating its activities in these models. Preliminary qualitative phytochemical and high performance liquid chromatography (HPLC) screening were conducted on SNE...
May 12, 2018: Metabolic Brain Disease
https://www.readbyqxmd.com/read/29753795/non-anesthetic-effects-of-ketamine-a-review-article-authors-%C3%A2-%C3%A2-%C3%A2-%C3%A2-%C3%A2-%C3%A2-%C3%A2
#14
REVIEW
Jabril Eldufani, Alireza Nekoui, Gilbert Blaise
Ketamine is considered a dissociative anesthetic medication, and it is a commonly administered by a parenteral route. It works mainly by blocking the N-methyl-D-aspartate (NMDA) receptor. It inhibits the voltage-gated Na_ and K_ channels and serotonin and dopamine re-uptake; also, it affects specific receptors, such as α-amino-3-hydroxy-5-methyl-4- isoxazolepropionic acid (AMPA), kainate and aminobutyric acid A receptors. Ketamine appears to have particular mechanisms that are potentially involved during analgesic induction, including enhancing of descending inhibition and anti-inflammatory effects...
May 10, 2018: American Journal of Medicine
https://www.readbyqxmd.com/read/29752906/tramadol-understanding-the-risk-of-serotonin-syndrome-and-seizures
#15
REVIEW
Sameer Hassamal, Karen Miotto, William Dale, Itai Danovitch
Tramadol is commonly prescribed for pain control because it presents a lower risk for addiction and respiratory depression compared to other opioids. However, tramadol's serotonin and norepinephrine reuptake inhibitory effects result in a unique adverse effect profile. Two such adverse events are serotonin syndrome and seizures. The prevalence of tramadol-induced serotonin syndrome and seizures is modest in the general population but if left untreated, the morbidity and mortality can be high, and therefore prompt recognition and management is essential...
May 9, 2018: American Journal of Medicine
https://www.readbyqxmd.com/read/29750381/biocatalytic-production-of-psilocybin-and-derivatives-in-tryptophan-synthase-enhanced-reactions
#16
Felix Blei, Florian Baldeweg, Janis Fricke, Dirk Hoffmeister
Psilocybin (4-phosphoryloxy-N,N-dimethyltryptamine) is the main alkaloid of the fungal genus Psilocybe, the so-called "magic mushrooms". The pharmaceutical interest in this psychotropic natural product as a future medication to treat depression and anxiety is strongly re-emerging. Here, we present an enhanced enzymatic route of psilocybin production by adding TrpB, the tryptophan synthase of the mushroom Psilocybe cubensis, to the reaction. We capitalized on its substrate flexibility and show psilocybin formation from 4-hydroxyindole and L-serine, which are less cost-intensive substrates, compared to the previous method...
May 11, 2018: Chemistry: a European Journal
https://www.readbyqxmd.com/read/29747670/the-efficacy-and-safety-of-jiedu-tongluo-granules-for-treating-post-stroke-depression-with-qi-deficiency-and-blood-stasis-syndrome-study-protocol-for-a-randomized-controlled-trial
#17
Ai-Mei Zhao, Wen-Ran Qiu, Li-Jun Mao, Jun-Guo Ren, Li Xu, Ming-Jiang Yao, Kellie Bilinksi, Dennis Chang, Jian-Xun Liu
BACKGROUND: Post-stroke depression (PSD) is the most common psychiatric complication after a stroke. The most frequently used antidepressants are selective serotonin receptor inhibitors (SSRIs) and serotonin and norepinephrine reuptake inhibitors (SNRIs), however, these exhibit a series of side effects. Traditional Chinese medicine has been used to treat PSD with few side effects. The aim of this study is to evaluate the efficacy and safety of Jiedu Tongluo granules for treating PSD with qi deficiency and blood stasis syndrome...
May 10, 2018: Trials
https://www.readbyqxmd.com/read/29746975/nutrition-status-bone-mass-density-and-selective-serotonin-reuptake-inhibitors
#18
Shannon Kindilien, Elle M Goldberg, Melissa H Roberts, Diana Gonzales-Pacheco
The association between selective serotonin reuptake inhibitor (SSRI) use and bone mass density (BMD) has been debated. Inadequate diet, which may occur in depressed individuals prescribed SSRIs is also associated with decreased BMD. This study seeks to determine if SSRI use in adults is associated with lower than average BMD while controlling for nutrition related variables. Further, it investigates whether there are potential interactions between micronutrients and SSRI use on BMD. Adults, 655 with an SSRI prescription ≥180 days and 12,372 non-users, were identified in the 2005-2014 National Health and Nutrition Examination Survey (NHANES) data...
May 7, 2018: Preventive Medicine
https://www.readbyqxmd.com/read/29738811/hypobaric-hypoxia-exposure-in-rats-differentially-alters-antidepressant-efficacy-of-the-selective-serotonin-reuptake-inhibitors-fluoxetine-paroxetine-escitalopram-and-sertraline
#19
Shami Kanekar, Chandni S Sheth, Hendrik J Ombach, Paul R Olson, Olena V Bogdanova, Matthew Petersen, Chloe E Renshaw, Young-Hoon Sung, Kristen E D'Anci, Perry F Renshaw
Treatment-resistant depression, a chronic condition that affects 30% of depressed patients on antidepressants, is highly linked to suicidal behavior. Chronic hypoxia exposure via living at altitude (hypobaric hypoxia) or with chronic hypoxic diseases is demographically linked to increased risk for depression and suicide. We previously demonstrated that housing rats at altitude for a week incrementally increases depression-like behavior in the forced swim test (FST) in females, but not males. In animal models, high altitude exposure reduces brain serotonin, and selective serotonin reuptake inhibitors (SSRIs) can lose efficacy when brain serotonin levels are low...
May 5, 2018: Pharmacology, Biochemistry, and Behavior
https://www.readbyqxmd.com/read/29738425/a-pilot-open-label-8-week-study-evaluating-desvenlafaxine-for-treatment-of-major-depression-in-methadone-maintained-individuals-with-opioid-use-disorder
#20
Cynthia El Hage, Maykel F Ghabrash, Simon Dubreucq, Suzanne Brissette, François Lespérance, Paul Lespérance, Clairélaine Ouellet-Plamondon, Julie Bruneau, Didier Jutras-Aswad
Depression is one of the most prevalent psychiatric disorders among opioid-dependent individuals. Clinical trials testing selective serotonin reuptake inhibitors among depressed patients on methadone maintenance therapy (MMT) failed to show efficacy, whereas those on tricyclic antidepressants produced mixed results with potential for cardiotoxicity. Desvenlafaxine (DESV) is a SNRI with minimal cardiotoxicity and drug interactions. This study sought to assess feasibility and tolerability of using DESV in depressed patients on MMT...
May 7, 2018: International Clinical Psychopharmacology
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