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Gene environment interactions

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https://www.readbyqxmd.com/read/28822116/interactions-between-variation-in-candidate-genes-and-environmental-factors-in-the-etiology-of-schizophrenia-and-bipolar-disorder-a-systematic-review
#1
REVIEW
Błażej Misiak, Filip Stramecki, Łukasz Gawęda, Katarzyna Prochwicz, Maria M Sąsiadek, Ahmed A Moustafa, Dorota Frydecka
Schizophrenia and bipolar disorder (BD) are complex and multidimensional disorders with high heritability rates. The contribution of genetic factors to the etiology of these disorders is increasingly being recognized as the action of multiple risk variants with small effect sizes, which might explain only a minor part of susceptibility. On the other site, numerous environmental factors have been found to play an important role in their causality. Therefore, in recent years, several studies focused on gene × environment interactions that are believed to bridge the gap between genetic underpinnings and environmental insults...
August 18, 2017: Molecular Neurobiology
https://www.readbyqxmd.com/read/28821001/influence-on-serum-asymmetric-dimethylarginine-adma-concentrations-of-human-paraoxonase-1-polymorphism-q192r-and-exposure-to-polycyclic-aromatic-hydrocarbons-pahs-in-mexican-women-a-gene-environment-interaction
#2
Ángeles C Ochoa-Martínez, Tania Ruíz-Vera, Claudia I Almendarez-Reyna, Sandra T Orta-García, Iván N Pérez-Maldonado
It has been demonstrated that Cardiovascular Diseases (CVD) are a consequence of the combination of genetic and environmental factors and/or the interaction between them. Therefore, the aim of this study was to evaluate the impact of polycyclic aromatic hydrocarbon (PAHs) exposure and PON1 Q192R polymorphism (genetic susceptibility) on serum asymmetric dimethylarginine (ADMA) levels in Mexican women (n = 206). Urinary 1-hydroxypyrene concentrations (1-OHP; exposure biomarker for PAHs) were quantified using a high-performance liquid chromatography technique, PON1 Q192R polymorphism was genotyped using TaqMan probes and serum ADMA concentrations were evaluated using a commercially available ELISA kit...
August 13, 2017: Chemosphere
https://www.readbyqxmd.com/read/28820631/links-between-the-mother-adolescent-and-father-adolescent-relationships-and-adolescent-depression-a-genetically-informed-study
#3
Charlie Brouillard, Mara Brendgen, Frank Vitaro, Ginette Dionne, Michel Boivin
This study examined the unique roles of support and conflict in the relationship with the mother and the father in predicting changes in adolescents' depressive symptoms over a 1-year period. Potential moderating effects of genetic factors (Gene × Environment interaction) and sex were also investigated. This study utilized a design of twins raised in the same family, based on a sample of 121 monozygotic and 88 dizygotic same-sex twin pairs (418 individuals; 52.2% girls) assessed in Grade 8 (M = 14.09, SD = ...
August 18, 2017: Journal of Clinical Child and Adolescent Psychology
https://www.readbyqxmd.com/read/28817100/modulatory-effects-of-exogenously-applied-polyamines-on-postharvest-physiology-antioxidant-system-and-shelf-life-of-fruits-a-review
#4
REVIEW
Sunil Sharma, Sunil Pareek, Narashans Alok Sagar, Daniel Valero, Maria Serrano
Polyamines (PAs) are natural compounds involved in many growth and developmental processes in plants, and, specifically in fruits, play a vital role regulating its development, ripening and senescence processes. Putrescine (PUT), spermine (SPE), and spermidine (SPD) are prominent PAs applied exogenously to extend shelf life of fruits. They also originate endogenously during developmental phases of horticultural crops and simultaneously affect the quality attributes and shelf life. Their anti-ethylene nature is being exploited to enhance the shelf life when exogenously applied on fruits...
August 17, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28814964/milk-disrupts-p53-and-dnmt1-the-guardians-of-the-genome-implications-for-acne-vulgaris-and-prostate-cancer
#5
Bodo C Melnik
There is accumulating evidence that milk shapes the postnatal metabolic environment of the newborn infant. Based on translational research, this perspective article provides a novel mechanistic link between milk intake and milk miRNA-regulated gene expression of the transcription factor p53 and DNA methyltransferase 1 (DNMT1), two guardians of the human genome, that control transcriptional activity, cell survival, and apoptosis. Major miRNAs of milk, especially miRNA-125b, directly target TP53 and complex p53-dependent gene regulatory networks...
2017: Nutrition & Metabolism
https://www.readbyqxmd.com/read/28813284/gene-environment-interplay-in-the-context-of-romantic-relationships
#6
REVIEW
Mark A Whisman, Susan C South
A growing body of research supports an important role for genetic factors on intimate, romantic relationships. In this article, we review research that has examined the interplay between genetic and environmental influences on romantic relationships and the associations between relationship outcomes and important individual differences related to relationships. We first elaborate on how behavioral genetic and molecular genetic methods can be used to understand the etiology of relationship outcomes. We then review empirical studies that have examined gene-environment correlations and gene-by-environment interactions in predicting romantic relationship outcomes (e...
February 2017: Current Opinion in Psychology
https://www.readbyqxmd.com/read/28813255/parenting-intervention-effects-on-children-s-externalizing-behavior-the-moderating-role-of-genotype-and-temperament
#7
REVIEW
Geertjan Overbeek
Recent research suggests that children's heightened susceptibility to parenting may have a (poly)genetic basis, and may be grounded in children's temperament. However, much current evidence is of a preliminary-correlational-nature. Because in correlational designs alternative explanations for gene-environment (G×E) or temperament-environment (T×E) interactions cannot be discounted, it is pivotal to conduct experimental studies in which parenting is actively manipulated. Based on data from a recently conducted randomized trial (n=387) of the Incredible Years parenting intervention, experimental evidence is provided for G×E and T×E interactions in an at-risk population of children aged 4-8 years...
June 2017: Current Opinion in Psychology
https://www.readbyqxmd.com/read/28812274/oxytocin-and-anxiety-disorders
#8
Michael G Gottschalk, Katharina Domschke
In the present chapter, we review the literature focusing on oxytocin (OT)-centered research in anxiety spectrum conditions, comprising separation anxiety disorder, specific phobias, social anxiety disorder (SAD), panic disorder, generalized anxiety disorder, and anxiety-related endophenotypes (e.g., trust behavior, behavioral inhibition, neuroticism, and state/trait anxiety). OT receptor gene (OXTR) polymorphisms have been implicated in gene-environment interactions with attachment style and childhood maltreatment and to influence clinical outcomes, including SAD intensity and limbic responsiveness...
August 16, 2017: Current Topics in Behavioral Neurosciences
https://www.readbyqxmd.com/read/28810930/sex-differences-in-microrna-mrna-networks-examination-of-novel-epigenetic-programming-mechanisms-in-the-sexually-dimorphic-neonatal-hypothalamus
#9
Christopher P Morgan, Tracy L Bale
BACKGROUND: Sexual differentiation of the male brain, and specifically the stress circuitry in the hypothalamus, is primarily driven by estrogen exposure during the perinatal period. Surprisingly, this single hormone promotes diverse programs of sex-specific development that vary widely between different cell types and across the developing male brain. The complexity of this phenomenon suggests that additional layers of gene regulation, including microRNAs (miRNAs), must act downstream of estrogen to mediate this specificity...
August 15, 2017: Biology of Sex Differences
https://www.readbyqxmd.com/read/28810707/seasonal-and-spatial-variations-of-prokaryoplankton-communities-in-a-salinity-influenced-watershed-china
#10
Anyi Hu, Hongjie Wang, Xiaoyang Yang, Liyuan Hou, Jiangwei Li, Shuang Li, Chang-Ping Yu
Prokaryotes represent the largest biodiversity pool and drive the biogeochemical cycles in fluvial environments. However, the mechanisms underlying the assembly of prokaryotic communities are largely unexplored at taxonomic and functional levels, simultaneously. Here, we investigated the spatio-seasonal distribution of prokaryoplankton communities in a salinity-influenced watershed, China using 16S rRNA gene amplicon sequencing. The OTUs were divided into core and satellite, based on a statistical approach...
August 1, 2017: FEMS Microbiology Ecology
https://www.readbyqxmd.com/read/28808688/adaptive-mistranslation-accelerates-the-evolution-of-fluconazole-resistance-and-induces-major-genomic-and-gene-expression-alterations-in-candida-albicans
#11
Tobias Weil, Rodrigo Santamaría, Wanseon Lee, Johan Rung, Noemi Tocci, Darren Abbey, Ana R Bezerra, Laura Carreto, Gabriela R Moura, Mónica Bayés, Ivo G Gut, Attila Csikasz-Nagy, Duccio Cavalieri, Judith Berman, Manuel A S Santos
Regulated erroneous protein translation (adaptive mistranslation) increases proteome diversity and produces advantageous phenotypic variability in the human pathogen Candida albicans. It also increases fitness in the presence of fluconazole, but the underlying molecular mechanism is not understood. To address this question, we evolved hypermistranslating and wild-type strains in the absence and presence of fluconazole and compared their fluconazole tolerance and resistance trajectories during evolution. The data show that mistranslation increases tolerance and accelerates the acquisition of resistance to fluconazole...
July 2017: MSphere
https://www.readbyqxmd.com/read/28808127/the-components-of-the-unique-zur-regulon-of-cupriavidus-metallidurans-mediate-cytoplasmic-zinc-handling
#12
Lucy Bütof, Christopher Schmidt-Vogler, Martin Herzberg, Cornelia Große, Dietrich H Nies
Zinc is an essential trace element and at the same time it is toxic at high concentrations. In the beta-proteobacterium Cupriavidus metallidurans the highly efficient removal of surplus zinc from the periplasm is responsible for its outstanding metal resistance. Rather than having a typical Zur-dependent, high-affinity ATP-binding cassette transporter of the ABC protein superfamily for zinc uptake at low concentrations, C. metallidurans instead has the secondary zinc importer ZupT of the ZRT/IRT (ZIP) family...
August 14, 2017: Journal of Bacteriology
https://www.readbyqxmd.com/read/28807841/racial-disparity-in-gastrointestinal-cancer-risk
#13
REVIEW
Hassan Ashktorab, Sonia S Kupfer, Hassan Brim, John M Carethers
Cancer from the gastrointestinal tract and its associated excretory organs will occur in over 300,000 Americans in 2017, with colorectal cancer responsible for over forty percent of that burden; there will be over 150,000 deaths from this group of cancers in the same time period. Disparities among subgroups related to these cancers' incidence and mortality exist. The epidemiology and risk factors associated with each cancer bear out differences for racial groups in the United States. Esophageal adenocarcinoma is more frequent in Non-Hispanic Whites, whereas esophageal squamous cell carcinoma with risk factors of tobacco and alcohol is more frequent among Blacks...
August 11, 2017: Gastroenterology
https://www.readbyqxmd.com/read/28807506/altered-vulnerability-to-asthma-at-various-levels-of-ambient-benzo-a-pyrene-by-ctla4-stat4-and-cyp2e1-polymorphisms
#14
Hyunok Choi, Nana Tabashidze, Pavel Rossner, Miroslav Dostal, Anna Pastorkova, Sek Won Kong, Hans Gmuender, Radim J Sram
BACKGROUND: Within fossil- and solid-fuel dependent geographic locations, mechanisms of air pollution-induced asthma remains unknown. In particular, sources of greater genetic susceptibility to airborne carcinogen, namely, benzo[a]pyrene (B[a]P) has never been investigated beyond that of a few well known genes. OBJECTIVES: To deepen our understanding on how the genotypic variations within the candidate genes contribute to the variability in the children's susceptibility to ambient B[a]P on doctor-diagnosed asthma...
August 11, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28806535/interactions-between-genetic-polymorphisms-of-glucose-metabolizing-genes-and-smoking-and-alcohol-consumption-in-the-risk-of-type-2-diabetes-mellitus
#15
Kaiping Gao, Yongcheng Ren, Jinjin Wang, Zichen Liu, Jianna Li, Linlin Li, Bingyuan Wang, Hong Li, Yaxi Wang, Yunkai Cao, Kinji Ohno, Rihong Zhai, Zhen Liang
The impact of gene-environment interaction on diabetes remains largely unknown. We aimed to investigate whether interaction between glucose metabolizing genes and lifestyle factors are associated with type 2 diabetes mellitus (T2DM). METHODS- Interactions between genotypes of 4 glucose metabolizing genes (MTNR1B, KCNQ1, KLF14, and GCKR) and lifestyle factors were estimated in 722 T2DM patients and 759 controls, using multiple logistic regression. RESULTS- No significant associations with T2DM were detected for the SNPs of MTNR1B, KLF14 and GCKR...
August 14, 2017: Applied Physiology, Nutrition, and Metabolism, Physiologie Appliquée, Nutrition et Métabolisme
https://www.readbyqxmd.com/read/28806280/integrated-analysis-of-biopsies-from-inflammatory-bowel-disease-patients-identifies-saa1-as-a-link-between-mucosal-microbes-with-th17-and-th22-cells
#16
Mei San Tang, Rowann Bowcutt, Jacqueline M Leung, Martin J Wolff, Uma M Gundra, David Hudesman, Lisa B Malter, Michael A Poles, Lea Ann Chen, Zhiheng Pei, Antonio G Neto, Wasif M Abidi, Thomas Ullman, Lloyd Mayer, Richard A Bonneau, Ilseung Cho, Pʼng Loke
BACKGROUND: Inflammatory bowel diseases (IBD) are believed to be driven by dysregulated interactions between the host and the gut microbiota. Our goal is to characterize and infer relationships between mucosal T cells, the host tissue environment, and microbial communities in patients with IBD who will serve as basis for mechanistic studies on human IBD. METHODS: We characterized mucosal CD4 T cells using flow cytometry, along with matching mucosal global gene expression and microbial communities data from 35 pinch biopsy samples from patients with IBD...
August 9, 2017: Inflammatory Bowel Diseases
https://www.readbyqxmd.com/read/28804594/does-trauma-event-type-matter-in-the-assessment-of-traumatic-load
#17
Daniela Conrad, Sarah Wilker, Anett Pfeiffer, Birke Lingenfelder, Tracie Ebalu, Hartmut Lanzinger, Thomas Elbert, Iris-Tatjana Kolassa, Stephan Kolassa
Background: The likelihood of developing Posttraumatic Stress Disorder (PTSD) depends on the interaction of individual risk factors and cumulative traumatic experiences. Hence, the identification of individual susceptibility factors warrants precise quantification of trauma exposure. Previous research indicated that some traumatic events may have more severe influences on mental health than others; thus, the assessment of traumatic load may be improved by weighting event list items rather than calculating the simple sum score...
2017: European Journal of Psychotraumatology
https://www.readbyqxmd.com/read/28804478/the-entomopathogenic-fungi-isaria-fumosorosea-plays-a-vital-role-in-suppressing-the-immune-system-of-plutella-xylostella-rna-seq-and-dge-analysis-of-immunity-related-genes
#18
Jin Xu, Xiaoxia Xu, Muhammad Shakeel, Shuzhong Li, Shuang Wang, Xianqiang Zhou, Jialin Yu, Xiaojing Xu, Xiaoqiang Yu, Fengliang Jin
Most, if not all, entomopathogenic fungi have been used as alternative control agents to decrease the insect resistance and harmful effects of the insecticides on the environment. Among them, Isaria fumosorosea has also shown great potential to control different insect pests. In the present study, we explored the immune response of P. xylostella to the infection of I. fumosorosea at different time points by using RNA-Sequencing and differential gene expression technology at the genomic level. To gain insight into the host-pathogen interaction at the genomic level, five libraries of P...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28803562/dopamine-receptor-d2-drd2-dopamine-transporter-solute-carrier-family-c6-member-4-slc6a3-and-catechol-o-methyltransferase-comt-genes-as-moderators-of-the-relation-between-maternal-history-of-maltreatment-and-infant-emotion-regulation
#19
Vanessa Villani, Jaclyn Ludmer, Andrea Gonzalez, Robert Levitan, James Kennedy, Mario Masellis, Vincenzo S Basile, Christine Wekerle, Leslie Atkinson
Although infants less than 18 months old are capable of engaging in self-regulatory behavior (e.g., avoidance, withdrawal, and orienting to other aspects of their environment), the use of self-regulatory strategies at this age (as opposed to relying on caregivers) is associated with elevated behavioral and physiological distress. This study investigated infant dopamine-related genotypes (dopamine receptor D2 [DRD2], dopamine transporter solute carrier family C6, member 4 [SLC6A3], and catechol-O-methyltransferase [COMT]) as they interact with maternal self-reported history of maltreatment to predict observed infant independent emotion regulation behavior...
August 14, 2017: Development and Psychopathology
https://www.readbyqxmd.com/read/28803364/volatile-terpenoids-multiple-functions-biosynthesis-modulation-and-manipulation-by-genetic-engineering
#20
REVIEW
Farhat Abbas, Yanguo Ke, Rangcai Yu, Yuechong Yue, Sikandar Amanullah, Muhammad Muzammil Jahangir, Yanping Fan
Terpenoids play several physiological and ecological functions in plant life through direct and indirect plant defenses and also in human society because of their enormous applications in the pharmaceutical, food and cosmetics industries. Through the aid of genetic engineering its role can by magnified to broad spectrum by improving genetic ability of crop plants, enhancing the aroma quality of fruits and flowers and the production of pharmaceutical terpenoids contents in medicinal plants. Terpenoids are structurally diverse and the most abundant plant secondary metabolites, playing an important role in plant life through direct and indirect plant defenses, by attracting pollinators and through different interactions between the plants and their environment...
August 12, 2017: Planta
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