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https://www.readbyqxmd.com/read/28617549/identification-of-genes-associated-with-lung-cancer-by-bioinformatics-analysis
#1
J Li, H Yu, Y-F Ma, M Zhao, J Tang
OBJECTIVE: This study was aimed to explore the underlying genes associated with lung cancer (LC) by bioinformatics analysis. DATA AND METHODS: Gene expression profile GSE2514 was downloaded from the Gene Expression Omnibus database. Twenty lung and nineteen para-carcinoma tissue samples were used to identify the differentially expressed genes (DEGs) by paired t-test. Pathway enrichment analysis of DEGs was performed, followed by the construction of protein-protein interaction (PPI) network...
May 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28595673/neonatal-dna-methylation-and-early-onset-conduct-problems-a-genome-wide-prospective-study
#2
Charlotte A M Cecil, Esther Walton, Sara R Jaffee, Tom O'Connor, Barbara Maughan, Caroline L Relton, Rebecca G Smith, Wendy McArdle, Tom R Gaunt, Isabelle Ouellet-Morin, Edward D Barker
Early-onset conduct problems (CP) are a key predictor of adult criminality and poor mental health. While previous studies suggest that both genetic and environmental risks play an important role in the development of early-onset CP, little is known about potential biological processes underlying these associations. In this study, we examined prospective associations between DNA methylation (cord blood at birth) and trajectories of CP (4-13 years), using data drawn from the Avon Longitudinal Study of Parents and Children...
June 9, 2017: Development and Psychopathology
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
#3
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/28460913/molecular-and-mycotoxigenic-biodiversity-of-aspergillus-flavus-isolated-from-brazil-nuts
#4
Arianne Costa Baquião, Evandro Luiz Lopes, Benedito Corrêa
The objective of this study was to carry out a transcription analysis of eight genes belonging to the aflatoxin (AF) and cyclopiazonic acid (CPA) biosynthesis pathway, and to detect aflatoxin B1 (AFB1) and CPA production in Aspergillus flavus strains isolated from Brazil nuts. Additionally, these genes were correlated with the different mycotoxigenic profiles of the same strains. Four previously identified A. flavus strains (ICB-01, ICB-151, ICB-161, and ICB-165) were grown on Brazil nut agar at 25°C for 10days...
November 2016: Food Research International
https://www.readbyqxmd.com/read/28413107/upregulation-of-maoa-in-the-hippocampus-results-in-delayed-depressive-like-behaviors-in-burn-mice
#5
Wang Zhen, Rong Xinzhou, Chen Lu, Wang Xuemin
OBJECTIVE: To observe depressive-like behavior and hippocampus monoamine oxidase A (MAOA) changes in burned mice. METHODS: We tested depression and anxiety like behaviors of burn C57 mice with the sucrose preference test, forced swimming test (FST), open field test and elevated plus maze test and then detected the MAOA content and MAOA gene transcriptional levels in the hippocampus with western blot analysis and real-time quantitative PCR analysis. We then sought to reverse depressive-like behavior of burned mice with an MAOA inhibitor...
April 13, 2017: Burns: Journal of the International Society for Burn Injuries
https://www.readbyqxmd.com/read/28402333/maoa-a-novel-decision-maker-of-apoptosis-and-autophagy-in-hormone-refractory-neuroendocrine-prostate-cancer-cells
#6
Yi-Cheng Lin, Yi-Ting Chang, Mel Campbell, Tzu-Ping Lin, Chin-Chen Pan, Hsin-Chen Lee, Jean C Shih, Pei-Ching Chang
Autophagy and apoptosis are two well-controlled mechanisms regulating cell fate. An understanding of decision-making between these two pathways is in its infancy. Monoamine oxidase A (MAOA) is a mitochondrial enzyme that is well-known in psychiatric research. Emerging reports showed that overexpression MAOA is associated with prostate cancer (PCa). Here, we show that MAOA is involved in mediating neuroendocrine differentiation of PCa cells, a feature associated with hormone-refractory PCa (HRPC), a lethal type of disease...
April 12, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28321510/dna-methylation-patterns-of-behavior-related-gene-promoter-regions-dissect-the-gray-wolf-from-domestic-dog-breeds
#7
Zsofia Banlaki, Giulia Cimarelli, Zsofia Viranyi, Eniko Kubinyi, Maria Sasvari-Szekely, Zsolt Ronai
A growing body of evidence highlights the relationship between epigenetics, especially DNA methylation, and population divergence as well as speciation. However, little is known about how general the phenomenon of epigenetics-wise separation of different populations is, or whether population assignment is, possible based on solely epigenetic marks. In the present study, we compared DNA methylation profiles between four different canine populations: three domestic dog breeds and their ancestor the gray wolf...
March 21, 2017: Molecular Genetics and Genomics: MGG
https://www.readbyqxmd.com/read/28315323/increased-serotonin-signaling-contributes-to-the-warburg-effect-in-pancreatic-tumor-cells-under-metabolic-stress-and-promotes-growth-of-pancreatic-tumors-in-mice
#8
Shu-Heng Jiang, Jun Li, Fang-Yuan Dong, Jian-Yu Yang, De-Jun Liu, Xiao-Mei Yang, Ya-Hui Wang, Min-Wei Yang, Xue-Liang Fu, Xiao-Xin Zhang, Qing Li, Xiu-Feng Pang, Yan-Miao Huo, Jiao Li, Jun-Feng Zhang, Ho-Young Lee, Su-Jae Lee, Wen-Xin Qin, Jian-Ren Gu, Yong-Wei Sun, Zhi-Gang Zhang
BACKGROUND & AIMS: Desmoplasia and poor vascularity cause severe metabolic stress in pancreatic ductal adenocarcinomas (PDACs). Serotonin (5-HT) is a neuromodulator with neurotransmitter and neuroendocrine functions that contributes to tumorigenesis. We investigated the role of 5-HT signaling in the growth of pancreatic tumors. METHODS: We measured the levels of proteins that regulate 5-HT synthesis, packaging, and degradation in pancreata from Kras(G12D/+)/Trp53(R172H/+)/Pdx1-Cre (KPC) mice, which develop pancreatic tumors, as well as in PDAC cell lines and a tissue microarray containing 81 human PDAC samples...
March 15, 2017: Gastroenterology
https://www.readbyqxmd.com/read/28293733/type-a-monoamine-oxidase-and-serotonin-are-coordinately-involved-in-depressive-disorders-from-neurotransmitter-imbalance-to-impaired-neurogenesis
#9
REVIEW
Makoto Naoi, Wakako Maruyama, Masayo Shamoto-Nagai
Type A monoamine oxidase (MAOA) catabolizes monoamine transmitters, serotonin, norepinephrine and dopamine, and plays a major role in the onset, progression and therapy of neuropsychiatric disorders. In depressive disorders, increase in MAOA expression and decrease in brain levels of serotonin and norepinephrine are proposed as the major pathogenic factors. The functional polymorphism of MAOA gene and genes in serotonin signal pathway are associated with depression. This review presents recent advance in studies on the role of MAOA in major depressive disorder and related emotional disorders...
March 14, 2017: Journal of Neural Transmission
https://www.readbyqxmd.com/read/28259004/age-dependent-role-of-pre-and-perinatal-factors-in-interaction-with-genes-on-adhd-symptoms-across-adolescence
#10
Djûke M Brinksma, Pieter J Hoekstra, Barbara van den Hoofdakker, Annelies de Bildt, Jan K Buitelaar, Catharina A Hartman, Andrea Dietrich
Little is known about the effects of risk factors on attention-deficit/hyperactivity disorder (ADHD) symptom over time. Here, we longitudinally studied the role of candidate genes, pre- and perinatal factors, and their interactions on ADHD symptoms between ages 10 and 18 years. Subjects were part of the general population or clinic-referred cohort of the TRacking Adolescents' Individual Lives Survey (n = 1667). At mean ages of 11.1 (T1), 13.4 (T2), and 16.2 years (T3), ADHD symptoms were assessed with the Child Behavior Checklist...
July 2017: Journal of Psychiatric Research
https://www.readbyqxmd.com/read/28242040/molecular-biomarkers-predictive-of-sertraline-treatment-response-in-young-children-with-fragile-x-syndrome
#11
Reem Rafik AlOlaby, Stefan R Sweha, Marisol Silva, Blythe Durbin-Johnson, Carolyn M Yrigollen, Dalyir Pretto, Randi J Hagerman, Flora Tassone
OBJECTIVES: Several neurotransmitters involved in brain development are altered in fragile X syndrome (FXS), the most common monogenic cause of autism spectrum disorder (ASD). Serotonin plays a vital role in synaptogenesis and postnatal brain development. Deficits in serotonin synthesis and abnormal neurogenesis were shown in young children with autism, suggesting that treating within the first years of life with a selective serotonin reuptake inhibitor might be the most effective time...
June 2017: Brain & Development
https://www.readbyqxmd.com/read/28203149/gene-gene-environment-interactions-of-serotonin-transporter-monoamine-oxidase-a-and-childhood-maltreatment-predict-aggressive-behavior-in-chinese-adolescents
#12
Yun Zhang, Qing-Sen Ming, Jin-Yao Yi, Xiang Wang, Qiao-Lian Chai, Shu-Qiao Yao
Gene-environment interactions that moderate aggressive behavior have been identified independently in the serotonin transporter (5-HTT) gene and monoamine oxidase A gene (MAOA). The aim of the present study was to investigate epistasis interactions between MAOA-variable number tandem repeat (VNTR), 5-HTTlinked polymorphism (LPR) and child abuse and the effects of these on aggressive tendencies in a group of otherwise healthy adolescents. A group of 546 Chinese male adolescents completed the Child Trauma Questionnaire and Youth self-report of the Child Behavior Checklist...
2017: Frontiers in Behavioral Neuroscience
https://www.readbyqxmd.com/read/28181067/lack-of-association-between-maoa-uvntr-variants-and-excessive-daytime-sleepiness
#13
Filiz Ozen, Zeynep Yegin, Figen Yavlal, Zuhal Aydan Saglam, Haydar Koc, Ismet Berber
Sleep disorders are highly prevalent in the population and have dramatic health, social, and economic impacts. However, their treatments may remain symptomatic due to ignorance of molecular factors which may provide fundamental insights into the neurological bases of sleep. Excessive daytime sleepiness (EDS) is a common complaint encountered in neurological practice with significant effects both on individuals and on society. We aimed to investigate the role of monoamine oxidase A (MAOA) as a candidate gene in EDS...
February 8, 2017: Neurological Sciences
https://www.readbyqxmd.com/read/28163169/does-maoa-increase-susceptibility-to-prenatal-stress-in-young-children
#14
Suena H Massey, Amalia E Hatcher, Caron A C Clark, James L Burns, Daniel S Pine, Andrew D Skol, Daniel K Mroczek, Kimberly A Espy, David Goldman, Edwin Cook, Lauren S Wakschlag
BACKGROUND: We previously demonstrated a gene-by-prenatal-environment interaction whereby the monoamine oxidase A gene (MAOA) modified the impact of prenatal tobacco exposure (PTE) on adolescent disruptive behavior (DB), with the MAOA risk genotype varying by sex. We extend this work by examining whether this mechanism is evident with another common adversity, prenatal stress exposure (PSE), and whether sex differences are present earlier in development in closer proximity to exposure...
May 2017: Neurotoxicology and Teratology
https://www.readbyqxmd.com/read/28119174/maoa-and-maob-polymorphisms-and-personality-traits-in-suicide-attempters-and-healthy-controls-a-preliminary-study
#15
Martina Balestri, Raffaella Calati, Alessandro Serretti, Annette M Hartmann, Bettina Konte, Marion Friedl, Ina Giegling, Dan Rujescu
Serotonergic neurotransmission dysfunctions have been well documented in patients with suicidal behaviour. We investigated monoamine oxidase A (MAOA: rs2064070, rs6323, rs909525) and B (MAOB: rs1799836, rs2311013, rs2205655) genetic modulation of personality traits (Temperament and Character Inventory, TCI) as endophenotype for suicidal behaviour. 108 suicide attempters and 286 healthy controls of German origin were screened. Among females, allelic analyses revealed associations between MAOA rs6323 A allele and higher Harm Avoidance in suicide attempters and MAOB rs2205655 A allele and higher Cooperativeness scores in healthy controls...
March 2017: Psychiatry Research
https://www.readbyqxmd.com/read/28101368/polymorphisms-in-the-canine-monoamine-oxidase-a-maoa-gene-identification-and-variation-among-five-broad-dog-breed-groups
#16
James Sacco, Andrew Ruplin, Paul Skonieczny, Michael Ohman
BACKGROUND: In humans, reduced activity of the enzyme monoamine oxidase type A (MAOA) due to genetic polymorphisms within the MAOA gene leads to increased brain neurotransmitter levels associated with aggression. In order to study MAOA genetic diversity in dogs, we designed a preliminary study whose objectives were to identify novel alleles in functionally important regions of the canine MAOA gene, and to investigate whether the frequencies of these polymorphisms varied between five broad breed groups (ancient, herding, mastiff, modern European, and mountain)...
2017: Canine Genetics and Epidemiology
https://www.readbyqxmd.com/read/28097908/common-and-specific-genes-and-peripheral-biomarkers-in-children-and-adults-with-attention-deficit-hyperactivity-disorder
#17
Cristian Bonvicini, Stephen V Faraone, Catia Scassellati
OBJECTIVES: Elucidating the biological mechanisms involved in Attention-deficit/hyperactivity disorder (ADHD) has been challenging. Relatively unexplored is the fact that these mechanisms can differ with age. METHODS: We present an overview on the major differences between children and adults with ADHD, describing several studies from genomics to metabolomics performed in ADHD children and in adults. A systematic search (up until February, 2016) was conducted. RESULTS: From a PRISMA flow-chart, a total of eligibility 350 studies from genomics and metabolomics were found for cADHD and 91 for aADHD...
January 18, 2017: World Journal of Biological Psychiatry
https://www.readbyqxmd.com/read/28094812/putative-presynaptic-dopamine-dysregulation-in-schizophrenia-is-supported-by-molecular-evidence-from-post-mortem-human-midbrain
#18
T D Purves-Tyson, S J Owens, D A Rothmond, G M Halliday, K L Double, J Stevens, T McCrossin, C Shannon Weickert
The dopamine hypothesis of schizophrenia posits that increased subcortical dopamine underpins psychosis. In vivo imaging studies indicate an increased presynaptic dopamine synthesis capacity in striatal terminals and cell bodies in the midbrain in schizophrenia; however, measures of the dopamine-synthesising enzyme, tyrosine hydroxylase (TH), have not identified consistent changes. We hypothesise that dopamine dysregulation in schizophrenia could result from changes in expression of dopamine synthesis enzymes, receptors, transporters or catabolic enzymes...
January 17, 2017: Translational Psychiatry
https://www.readbyqxmd.com/read/28088578/the-effect-of-long-term-hindlimb-unloading-on-the-expression-of-risk-neurogenes-encoding-elements-of-serotonin-dopaminergic-systems-and-apoptosis-comparison-with-the-effect-of-actual-spaceflight-on-mouse-brain
#19
E A Kulikova, V A Kulikov, N A Sinyakova, A V Kulikov, N K Popova
The study of spaceflight effects on the brain is technically complex concern; complicated by the problem of applying an adequate ground model. The most-widely used experimental model to study the effect of microgravity is the tail-suspension hindlimb unloading model; however, its compliance with the effect of actual spaceflight on the brain is still unclear. We evaluated the effect of one month hindlimb unloading on the expression of genes related to the brain neuroplasticity-brain neutotrophic factors (Gdnf, Cdnf), apoptotic factors (Bcl-xl, Bax), serotonin- and dopaminergic systems (5-HT2A, Maoa, Maob, Th, D1r, Comt), and compared the results with the data obtained on mice that spent one month in spaceflight on Russian biosatellite Bion-M1...
February 15, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/27989490/paraphilic-sexual-offenders-do-not-differ-from-control-subjects-with-respect-to-dopamine-and-serotonin-related-genetic-polymorphisms
#20
Andrzej Jakubczyk, Aleksandra Krasowska, Marcin Bugaj, Maciej Kopera, Anna Klimkiewicz, Agata Łoczewska, Aneta Michalska, Aleksandra Majewska, Natalia Szejko, Anna Podgórska, Małgorzata Sołowiej, Leszek Markuszewski, Sławomir Jakima, Rafał Płoski, Kirk Brower, Marcin Wojnar
INTRODUCTION: Rape and pedophilic child molestation are the most commonly convicted sexual offenses in Poland. Recent studies have suggested a possible genetic contribution toward pathologic sexual interests and behaviors. AIM: To analyze and compare functional polymorphisms of genes associated with the activity of the serotonin and dopamine systems in a group of paraphilic sexual offenders and control subjects. METHODS: The study sample (n = 97) consisted of two groups: paraphilic sexual offenders (65 pedophilic child molesters and 32 rapists) and controls (n = 76)...
January 2017: Journal of Sexual Medicine
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