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SLC6A4

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https://www.readbyqxmd.com/read/28719342/a-pilot-study-for-determination-of-anxiety-related-slc6a4-promoter-s-and-l-alleles-in-healthy-turkish-athletes
#1
A Corak, S Kapici, C Sercan, O Akkoç, K Ulucan
We aimed to analyze the allelic distribution of solute carrier family-6 member-4 promoter region in Turkish athletes. Recent studies showed the association of lesser expressing "S" allele with anxiety. Genotype percentages for LL, LS and SS genotypes were found as 46, 35 and 19, respectively. 38% of the males had LL, %38 had LS and 24% had SS genotypes. Percentages of LL, LS and SS genotypes were 54, 31 and 15 in females, respectively. 15 (58%) male and 18 (69%) females had L, 11 (42%) male and 8 (31%) females had S alleles...
May 20, 2017: Cellular and Molecular Biology
https://www.readbyqxmd.com/read/28716530/genetic-association-analysis-of-serotonin-and-signal-transduction-pathways-in-suicide-attempters-from-an-italian-sample-of-psychiatric-patients
#2
Maurizio Pompili, Giovanna Gentile, Catia Scassellati, Cristian Bonvicini, Marco Innamorati, Denise Erbuto, Franco Montebovi, Giuseppe Ducci, Alberto Forte, Eleonora De Pisa, Stefano Ferracuti, Gianluca Serafini, Vincenzo De Luca, Mario Amore, Maurizio Simmaco, Paolo Girardi
Genetic factors have been reported to contribute to the liability of suicide. We aimed to investigate functional polymorphisms in eight genes (serotonin transporter, SLC6A4; receptors, 5HTR1A, 1B, 5HTR2A; Tryptophan Hydroxylase, TPH1, TPH2; Monoamine Oxidase, MAOA and G Protein Subunit Beta 3, GNB3) to investigate their predictive value for suicide. The possible confounding effects of gender and phenotypic patients dissection were also valued. A sample of 111 consecutive psychiatric inpatients was recruited and assessed using specific psychometric instruments...
July 14, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/28691545/association-of-the-functional-serotonin-transporter-haplotype-with-familial-form-of-obsessive-compulsive-disorder-in-iranian-patients
#3
Fatemeh Sadat Rashidi, Ehsan Ahmadipour, Sepideh Shiravand, Abolhassan Ahmadiani, Sareh Asadi, Jamal Shams
OBJECTIVE: Several polymorphisms have been reported in the 5-HTTLPR of the serotonin transporter gene (SLC6A4). Family-based evidences for the association of 5-HTTLPR polymorphisms with OCD were previously reported but results were controversial. The present study investigated the possible correlation of SLC6A4 polymorphisms (5-HTTLPR, rs25532, rs25531) in Iranian OCD patients considering gender, age of onset, family history of psychiatric disorders, obsessive and compulsive subtypes and severities...
July 10, 2017: International Journal of Psychiatry in Clinical Practice
https://www.readbyqxmd.com/read/28678593/neighborhood-characteristics-influence-dna-methylation-of-genes-involved-in-stress-response-and-inflammation-the-multi-ethnic-study-of-atherosclerosis
#4
Jennifer A Smith, Wei Zhao, Xu Wang, Scott M Ratliff, Bhramar Mukherjee, Sharon L R Kardia, Yongmei Liu, Ava V Diez Roux, Belinda L Needham
Living in a disadvantaged neighborhood is associated with poor health outcomes even after accounting for individual-level socioeconomic factors. The chronic stress of unfavorable neighborhood conditions may lead to dysregulation of the stress reactivity and inflammatory pathways, potentially mediated through epigenetic mechanisms such as DNA methylation. We used multi-level models to examine the relationship between two neighborhood conditions and methylation levels of 18 genes related to stress reactivity and inflammation in purified monocytes from 1,226 participants of the Multi-Ethnic Study of Atherosclerosis (MESA), a population-based sample of US adults...
July 5, 2017: Epigenetics: Official Journal of the DNA Methylation Society
https://www.readbyqxmd.com/read/28675387/serotonin-transporter-gene-promoter-methylation-status-correlates-with-in-vivo-prefrontal-5-htt-availability-and-reward-function-in-human-obesity
#5
M Drabe, M Rullmann, J Luthardt, Y Boettcher, R Regenthal, T Ploetz, G A Becker, M Patt, C Schinke, F T Bergh, F Zientek, A Hilbert, A Bresch, W Fenske, M K Hankir, O Sabri, S Hesse
A polymorphism in the promoter region of the human serotonin transporter (5-HTT)-coding SLC6A4 gene (5-HTTLPR) has been implicated in moderating susceptibility to stress-related psychopathology and to possess regulatory functions on human in vivo 5-HTT availability. However, data on a direct relation between 5-HTTLPR and in vivo 5-HTT availability have been inconsistent. Additional factors such as epigenetic modifications of 5-HTTLPR might contribute to this association. This is of particular interest in the context of obesity, as an association with 5-HTTLPR hypermethylation has previously been reported...
July 4, 2017: Translational Psychiatry
https://www.readbyqxmd.com/read/28670115/the-influence-of-the-serotonergic-system-on-the-personality-and-quality-of-life-of-postmenopausal-women
#6
Daria Schneider-Matyka, Anna Jurczak, Małgorzata Szkup, Agnieszka Samochowiec, Anna Grzywacz, Sylwia Wieder-Huszla, Elżbieta Grochans
The aim of this study was to establish the relationship between personality traits of postmenopausal women and the presence of the 44-bp VNTR polymorphism in the serotonin transporter (5-HTT) (SLC6A4) promoter region and the 30-bp VNTR polymorphism in the MAO-A promoter region. The study's aim was also to determine the influence of personality traits on the quality of postmenopausal women's lives. The study involved 214 postmenopausal women from northwest Poland, with an average age of 56.8±4.08 years. It was performed using the Temperament and Character Inventory-Revised and the Short Form Health Survey...
2017: Clinical Interventions in Aging
https://www.readbyqxmd.com/read/28654193/serotonin-transporter-gene-polymorphisms-and-ssri-tolerability-review-of-pharmacogenetic-evidence
#7
Jing Zhu, Michele Klein-Fedyshin, James M Stevenson
BACKGROUND: Selective serotonin reuptake inhibitors (SSRIs) are first-line pharmacotherapy for mood and anxiety disorders. The common mechanism of drugs in this class is antagonism of the serotonin transporter. Within the serotonin transporter gene SLC6A4, two polymorphic sites termed 5-HTTLPR and STin2 are proposed to have functional consequences and thus have been attractive candidates for pharmacogenetic studies of SSRI efficacy and tolerability studies. OBJECTIVE: This review summarizes approximately 15 years of study of these polymorphisms as they relate to SSRI tolerability phenotypes...
June 27, 2017: Pharmacotherapy
https://www.readbyqxmd.com/read/28650979/expression-of-cerebral-serotonin-related-to-anxiety-like-behaviors-in-c57bl-6-offspring-induced-by-repeated-subcutaneous-prenatal-exposure-to-low-dose-lipopolysaccharide
#8
Pei-Tan Hsueh, Hsuan-Han Wang, Chiu-Lin Liu, Wei-Fen Ni, Ya-Lei Chen, Jong-Kang Liu
Prenatal exposure to lipopolysaccharide (LPS), which likely occurs due to infection or contact with environmental allergens during pregnancy, is a proposed risk factor that induces anxiety- and autism spectrum disorder-like behaviors in offspring. However, the molecular and behavioral changes in offspring after maternal immune activation have not been completely identified. We hypothesized that a subcutaneous injection of LPS in a pregnant mouse would induce changes in cerebral serotonin (5-HT) in parallel to the appearance of anxiety-like behaviors in the dam's offspring...
2017: PloS One
https://www.readbyqxmd.com/read/28650965/epigenetic-adaptation-of-the-placental-serotonin-transporter-gene-slc6a4-to-gestational-diabetes-mellitus
#9
Sofia Blazevic, Marina Horvaticek, Maja Kesic, Peter Zill, Dubravka Hranilovic, Marina Ivanisevic, Gernot Desoye, Jasminka Stefulj
We tested the hypothesis that gestational diabetes mellitus (GDM) alters the DNA methylation pattern of the fetal serotonin transporter gene (SLC6A4), and examined the functional relevance of DNA methylation for regulation of the SLC6A4 expression in the human placenta. The study included 50 mother-infant pairs. Eighteen mothers were diagnosed with GDM and 32 had normal glucose tolerance (NGT). All neonates were of normal birth weight and born at term by planned Cesarean section. DNA and RNA were isolated from samples of tissue collected from the fetal side of the placenta immediately after delivery...
2017: PloS One
https://www.readbyqxmd.com/read/28645747/a-review-of-dna-methylation-in-depression
#10
REVIEW
Dongmei Chen, Lin Meng, Fei Pei, Yang Zheng, Jiyan Leng
As one of the most common psychiatric disorders, depression has been a major public health problem. Growing evidence suggests that epigenetic modification is essential in biological processes of depression. Recently, DNA methylation has been regarded as a potential link between environment and depression. In this review, we reviewed current studies of the association between DNA methylation and depression. The association between DNA methylation of seven genes, including BDNF, SLC6A4, NR3C1, 5-HTR (1A, 2A, and 3A), FKBP5, MAO-A and OXTR, and depression were reviewed in this study...
June 20, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28639488/prenatal-exposure-to-serotonin-reuptake-inhibitors-and-congenital-heart-anomalies-an-exploratory-pharmacogenetics-study
#11
Aizati N A Daud, Jorieke E H Bergman, Wilhelmina S Kerstjens-Frederikse, Pieter van der Vlies, Eelko Hak, Rolf M F Berger, Henk Groen, Bob Wilffert
AIM: To explore the role of pharmacogenetics in determining the risk of congenital heart anomalies (CHA) with prenatal use of serotonin reuptake inhibitors. METHODS: We included 33 case-mother dyads and 2 mother-only (child deceased) cases of CHA in a case-only study. Ten genes important in determining fetal exposure to serotonin reuptake inhibitors were examined: CYP1A2, CYP2C9, CYP2C19, CYP2D6, ABCB1, SLC6A4, HTR1A, HTR1B, HTR2A and HTR3B. RESULTS: Among the exposed cases, polymorphisms that tended to be associated with an increased risk of CHA were SLC6A4 5-HTTLPR and 5-HTTVNTR, HTR1A rs1364043, HTR1B rs6296 and rs6298 and HTR3B rs1176744, but none reached statistical significance due to our limited sample sizes...
June 22, 2017: Pharmacogenomics
https://www.readbyqxmd.com/read/28590957/genetic-moderation-of-cocaine-subjective-effects-by-variation-in-the-tph1-tph2-and-slc6a4-serotonin-genes
#12
Michelle A Patriquin, Sara C Hamon, Mark J Harding, Ellen M Nielsen, Thomas F Newton, Richard De La Garza, David A Nielsen
OBJECTIVE: This study investigated variants of tryptophan hydroxylase (TPH)1, TPH2, and SLC6A4 in the moderation of the subjective effects of cocaine. METHODS: Non-treatment-seeking cocaine-dependent individuals (N=66) were intravenously administered saline and cocaine (40 mg) in a randomized order. Participants self-reported subjective effects of cocaine using a visual analog scale starting before administration of saline or cocaine (-15 min) to up to 20 min after infusion...
June 6, 2017: Psychiatric Genetics
https://www.readbyqxmd.com/read/28576508/a-review-of-the-role-of-serotonin-system-genes-in-obsessive-compulsive-disorder
#13
REVIEW
Vanessa M Sinopoli, Christie L Burton, Sefi Kronenberg, Paul D Arnold
Obsessive-compulsive disorder (OCD) is a debilitating neuropsychiatric disorder that causes the patient to experience intrusive thoughts and/or to carry out repetitive, ritualized behaviors that are time consuming and impairing. OCD is familial and heritable. The genetic factors responsible for pathogenesis, however, remain largely unknown despite the numerous candidate gene studies conducted. Based on efficacy of serotonin reuptake inhibitors (SRIs) in treating OCD, serotonin system genes have been a dominant focus in OCD candidate gene studies...
May 30, 2017: Neuroscience and Biobehavioral Reviews
https://www.readbyqxmd.com/read/28537235/-serotonergic-genes-in-the-development-of-anxiety-depression-like-state-and-pathology-of-aggressive-behavior-in-male-mice-rna-seq-data
#14
N N Kudryavtseva, D A Smagin, I L Kovalenko, A G Galyamina, G B Vishnivetskaya, V N Babenko, Yu L Orlov
In course of daily agonistic interactions, mice tend to stratify into those with chronic social defeats and those that repeatedly display aggression, which lead to the development of mixed anxiety/depression-like state and the pathology of aggressive behavior, respectively. Using the data of whole transcriptome analysis (RNA-seq), the changes in the expression of serotonergic genes involved in the synthesis, inactivation, and reception of serotonin, as well as of the Creb1 (transcription factor) gene and the Bdnf (brain-derived neurotrophic factor) gene were detected in the striatum (STR), ventral tegmental area (VTA), midbrain raphe nuclei (MRN), hypothalamus (HYP), and hippocampus (HIP) of defeated and aggressive male mice...
March 2017: Molekuliarnaia Biologiia
https://www.readbyqxmd.com/read/28534928/music-genetics-research-association-with-musicality-of-a-polymorphism-in-the-avpr1a-gene
#15
Luiza Monteavaro Mariath, Alexandre Mauat da Silva, Thayne Woycinck Kowalski, Gustavo Schulz Gattino, Gustavo Andrade de Araujo, Felipe Grahl Figueiredo, Alice Tagliani-Ribeiro, Tatiana Roman, Fernanda Sales Luiz Vianna, Lavínia Schuler-Faccini, Jaqueline Bohrer Schuch
Musicality is defined as a natural tendency, sensibility, knowledge, or talent to create, perceive, and play music. Musical abilities involve a great range of social and cognitive behaviors, which are influenced by both environmental and genetic factors. Although a number of studies have yielded insights into music genetics research, genes and biological pathways related to these traits are not fully understood. Our hypothesis in the current study is that genes associated with different behaviors could also influence the musical phenotype...
April 2017: Genetics and Molecular Biology
https://www.readbyqxmd.com/read/28515818/pharmacogenomic-testing-for-psychotropic-medication-selection-a-systematic-review-of-the-assurex-genesight-psychotropic-test
#16
(no author information available yet)
BACKGROUND: A large proportion of the Ontario population lives with a diagnosed mental illness. Nearly 5% of Ontarians have major depressive disorder, and another 5% have another type of depressive disorder, bipolar disorder, schizophrenia, anxiety, or some other disorder not otherwise specified. Medications are commonly used to treat mental illness, but choosing the right medication for each patient is challenging, and more than 40% of patients discontinue their medication within 90 days because of adverse effects or lack of response...
2017: Ontario Health Technology Assessment Series
https://www.readbyqxmd.com/read/28458330/gender-differences-in-serotonin-signaling-in-patients-with-diarrhea-predominant-irritable-bowel-syndrome
#17
Ryo Katsumata, Akiko Shiotani, Takahisa Murao, Manabu Ishii, Minoru Fujita, Hiroshi Matsumoto, Ken Haruma
Objective Gender differences, including differences in the prevalence, subtypes and the effectiveness of treatment, are generally recognized in irritable bowel syndrome (IBS). Although serotonin type 3 receptor (5-HT3R) antagonists appear to be more effective in women with diarrhea predominant IBS (IBS-D) than they are in men, the mechanisms underlying these effects remain unclear. The aim of the present was to investigate the gender differences in 5-HT signaling. Methods The subjects were selected from outpatients with IBS-D and healthy controls...
2017: Internal Medicine
https://www.readbyqxmd.com/read/28456840/rapid-evidence-review-of-the-comparative-effectiveness-harms-and-cost-effectiveness-of-pharmacogenomics-guided-antidepressant-treatment-versus-usual-care-for-major-depressive-disorder
#18
REVIEW
Kimberly Peterson, Eric Dieperink, Johanna Anderson, Erin Boundy, Lauren Ferguson, Mark Helfand
OBJECTIVE: This study aims to conduct an evidence review of the effectiveness, harms, and cost-effectiveness of pharmacogenomics-guided antidepressant treatment for major depressive disorder. METHODS: We searched MEDLINE®, the Cochrane Central Registry of Controlled Trials, and PsycINFO through February 2017. We used prespecified criteria to select studies, abstract data, and rate internal validity and strength of the evidence (PROSPERO number CRD42016036358). RESULTS: We included two randomized trials (RCT), five controlled cohort studies, and six modeling studies of mostly women in their mid-40s with few comorbidities...
April 29, 2017: Psychopharmacology
https://www.readbyqxmd.com/read/28431168/identifying-new-susceptibility-genes-on-dopaminergic-and-serotonergic-pathways-for-the-framing-effect-in-decision-making
#19
Xiaoxue Gao, Jinting Liu, Pingyuan Gong, Junhui Wang, Wan Fang, Hongming Yan, Lusha Zhu, Xiaolin Zhou
The framing effect refers the tendency to be risk-averse when options are presented positively but be risk-seeking when the same options are presented negatively during decision-making. This effect has been found to be modulated by the serotonin transporter gene (SLC6A4) and the catechol-o-methyltransferase gene (COMT) polymorphisms, which are on the dopaminergic and serotonergic pathways and which are associated with affective processing. The current study aimed to identify new genetic variations of genes on dopaminergic and serotonergic pathways that may contribute to individual differences in the susceptibility to framing...
April 19, 2017: Social Cognitive and Affective Neuroscience
https://www.readbyqxmd.com/read/28406285/serotonin-and-serotonin-transporters-in-the-adrenal-medulla-a-potential-hub-for-modulation-of-the-sympathetic-stress-response
#20
Rebecca L Brindley, Mary Beth Bauer, Randy D Blakely, Kevin P M Currie
Serotonin (5-HT) is an important neurotransmitter in the central nervous system where it modulates circuits involved in mood, cognition, movement, arousal, and autonomic function. The 5-HT transporter (SERT; SLC6A4) is a key regulator of 5-HT signaling, and genetic variations in SERT are associated with various disorders including depression, anxiety, and autism. This review focuses on the role of SERT in the sympathetic nervous system. Autonomic/sympathetic dysfunction is evident in patients with depression, anxiety, and other diseases linked to serotonergic signaling...
May 17, 2017: ACS Chemical Neuroscience
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