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https://www.readbyqxmd.com/read/29755375/influence-of-crhr1-polymorphisms-and-childhood-abuse-on-suicide-attempts-in-affective-disorders-a-gxe-approach
#1
Birgit Ludwig, Klemens Kienesberger, Laura Carlberg, Patrick Swoboda, Alexandra Bernegger, Romina Koller, Qingzhong Wang, Michelle Inaner, Melanie Zotter, Nestor D Kapusta, Helmuth Haslacher, Martin Aigner, Siegfried Kasper, Alexandra Schosser
Background: Previous studies have shown that the hypothalamus-pituitary-adrenal-axis (HPA-axis) is closely involved in the development of affective disorders. Given that early life events are also linked to dysregulation of the same system, there might be an association between childhood adversities and suicidal behavior in affective disorders, moderated by HPA-axis genes. We aimed to investigate a potential association between childhood trauma and previous suicide attempts in affective disorder patients, moderated by variants of the corticotropin-releasing hormone receptor 1 (CRHR1) gene...
2018: Frontiers in Psychiatry
https://www.readbyqxmd.com/read/29738245/enzyme-responsive-charge-reversal-polymer-mediated-effective-gene-therapy-for-intraperitoneal-tumors
#2
Nasha Qiu, Jianqing Gao, Qi Liu, Jinqiang Wang, Youqing Shen
Gene therapy has demonstrated effectiveness in many genetic diseases as evidenced by recent clinical applications. Viral vectors have been extensively tested in clinical gene-therapy trials, but nonviral vectors such as cationic polymers or lipids are much less used due to their lower gene-transfection efficiencies. However, the advantages of nonviral vectors, such as easily tailored structures, nonimmunogenetics, and relatively low cost, still drive great efforts to improve their transfection efficiencies...
May 8, 2018: Biomacromolecules
https://www.readbyqxmd.com/read/29729685/common-genetic-contributions-to-high-risk-trauma-exposure-and-self-injurious-thoughts-and-behaviors
#3
Leah S Richmond-Rakerd, Timothy J Trull, Ian R Gizer, Kristin McLaughlin, Emily M Scheiderer, Elliot C Nelson, Arpana Agrawal, Michael T Lynskey, Pamela A F Madden, Andrew C Heath, Dixie J Statham, Nicholas G Martin
BACKGROUND: Prior research has documented shared heritable contributions to non-suicidal self-injury (NSSI) and suicidal ideation (SI) as well as NSSI and suicide attempt (SA). In addition, trauma exposure has been implicated in risk for NSSI and suicide. Genetically informative studies are needed to determine common sources of liability to all three self-injurious thoughts and behaviors, and to clarify the nature of their associations with traumatic experiences. METHODS: Multivariate biometric modeling was conducted using data from 9526 twins [59% female, mean age = 31...
May 6, 2018: Psychological Medicine
https://www.readbyqxmd.com/read/29725750/characterization-of-the-endolysosomal-system-in-human-chordoma-cell-lines-is-there-a-role-of-lysosomes-in-chemoresistance-of-this-rare-bone-tumor
#4
Dagmar Kolb-Lenz, Robert Fuchs, Birgit Lohberger, Ellen Heitzer, Katharina Meditz, Dominique Pernitsch, Elisabeth Pritz, Andrea Groselj-Strele, Andreas Leithner, Bernadette Liegl-Atzwanger, Beate Rinner
Chordoma is a rare tumor of the bone derived from remnants of the notochord with pronounced chemoresistance. A common feature of the notochord and chordoma cells is distinct vacuolization. Recently, the notochord vacuole was described as a lysosome-related organelle. Since lysosomes are considered as mediators of drug resistance in cancer, we were interested whether they may also play a role in chemoresistance of chordoma. We characterized the lysosomal compartment in chordoma cell lines by cytochemistry, electron microscopy (ELMI) and mutational analysis of genes essential for the physiology of lysosomes...
May 3, 2018: Histochemistry and Cell Biology
https://www.readbyqxmd.com/read/29700475/genome-wide-association-analyses-identify-44-risk-variants-and-refine-the-genetic-architecture-of-major-depression
#5
Naomi R Wray, Stephan Ripke, Manuel Mattheisen, Maciej Trzaskowski, Enda M Byrne, Abdel Abdellaoui, Mark J Adams, Esben Agerbo, Tracy M Air, Till M F Andlauer, Silviu-Alin Bacanu, Marie Bækvad-Hansen, Aartjan F T Beekman, Tim B Bigdeli, Elisabeth B Binder, Douglas R H Blackwood, Julien Bryois, Henriette N Buttenschøn, Jonas Bybjerg-Grauholm, Na Cai, Enrique Castelao, Jane Hvarregaard Christensen, Toni-Kim Clarke, Jonathan I R Coleman, Lucía Colodro-Conde, Baptiste Couvy-Duchesne, Nick Craddock, Gregory E Crawford, Cheynna A Crowley, Hassan S Dashti, Gail Davies, Ian J Deary, Franziska Degenhardt, Eske M Derks, Nese Direk, Conor V Dolan, Erin C Dunn, Thalia C Eley, Nicholas Eriksson, Valentina Escott-Price, Farnush Hassan Farhadi Kiadeh, Hilary K Finucane, Andreas J Forstner, Josef Frank, Héléna A Gaspar, Michael Gill, Paola Giusti-Rodríguez, Fernando S Goes, Scott D Gordon, Jakob Grove, Lynsey S Hall, Eilis Hannon, Christine Søholm Hansen, Thomas F Hansen, Stefan Herms, Ian B Hickie, Per Hoffmann, Georg Homuth, Carsten Horn, Jouke-Jan Hottenga, David M Hougaard, Ming Hu, Craig L Hyde, Marcus Ising, Rick Jansen, Fulai Jin, Eric Jorgenson, James A Knowles, Isaac S Kohane, Julia Kraft, Warren W Kretzschmar, Jesper Krogh, Zoltán Kutalik, Jacqueline M Lane, Yihan Li, Yun Li, Penelope A Lind, Xiaoxiao Liu, Leina Lu, Donald J MacIntyre, Dean F MacKinnon, Robert M Maier, Wolfgang Maier, Jonathan Marchini, Hamdi Mbarek, Patrick McGrath, Peter McGuffin, Sarah E Medland, Divya Mehta, Christel M Middeldorp, Evelin Mihailov, Yuri Milaneschi, Lili Milani, Jonathan Mill, Francis M Mondimore, Grant W Montgomery, Sara Mostafavi, Niamh Mullins, Matthias Nauck, Bernard Ng, Michel G Nivard, Dale R Nyholt, Paul F O'Reilly, Hogni Oskarsson, Michael J Owen, Jodie N Painter, Carsten Bøcker Pedersen, Marianne Giørtz Pedersen, Roseann E Peterson, Erik Pettersson, Wouter J Peyrot, Giorgio Pistis, Danielle Posthuma, Shaun M Purcell, Jorge A Quiroz, Per Qvist, John P Rice, Brien P Riley, Margarita Rivera, Saira Saeed Mirza, Richa Saxena, Robert Schoevers, Eva C Schulte, Ling Shen, Jianxin Shi, Stanley I Shyn, Engilbert Sigurdsson, Grant B C Sinnamon, Johannes H Smit, Daniel J Smith, Hreinn Stefansson, Stacy Steinberg, Craig A Stockmeier, Fabian Streit, Jana Strohmaier, Katherine E Tansey, Henning Teismann, Alexander Teumer, Wesley Thompson, Pippa A Thomson, Thorgeir E Thorgeirsson, Chao Tian, Matthew Traylor, Jens Treutlein, Vassily Trubetskoy, André G Uitterlinden, Daniel Umbricht, Sandra Van der Auwera, Albert M van Hemert, Alexander Viktorin, Peter M Visscher, Yunpeng Wang, Bradley T Webb, Shantel Marie Weinsheimer, Jürgen Wellmann, Gonneke Willemsen, Stephanie H Witt, Yang Wu, Hualin S Xi, Jian Yang, Futao Zhang, Volker Arolt, Bernhard T Baune, Klaus Berger, Dorret I Boomsma, Sven Cichon, Udo Dannlowski, E C J de Geus, J Raymond DePaulo, Enrico Domenici, Katharina Domschke, Tõnu Esko, Hans J Grabe, Steven P Hamilton, Caroline Hayward, Andrew C Heath, David A Hinds, Kenneth S Kendler, Stefan Kloiber, Glyn Lewis, Qingqin S Li, Susanne Lucae, Pamela F A Madden, Patrik K Magnusson, Nicholas G Martin, Andrew M McIntosh, Andres Metspalu, Ole Mors, Preben Bo Mortensen, Bertram Müller-Myhsok, Merete Nordentoft, Markus M Nöthen, Michael C O'Donovan, Sara A Paciga, Nancy L Pedersen, Brenda W J H Penninx, Roy H Perlis, David J Porteous, James B Potash, Martin Preisig, Marcella Rietschel, Catherine Schaefer, Thomas G Schulze, Jordan W Smoller, Kari Stefansson, Henning Tiemeier, Rudolf Uher, Henry Völzke, Myrna M Weissman, Thomas Werge, Ashley R Winslow, Cathryn M Lewis, Douglas F Levinson, Gerome Breen, Anders D Børglum, Patrick F Sullivan
Major depressive disorder (MDD) is a common illness accompanied by considerable morbidity, mortality, costs, and heightened risk of suicide. We conducted a genome-wide association meta-analysis based in 135,458 cases and 344,901 controls and identified 44 independent and significant loci. The genetic findings were associated with clinical features of major depression and implicated brain regions exhibiting anatomical differences in cases. Targets of antidepressant medications and genes involved in gene splicing were enriched for smaller association signal...
April 26, 2018: Nature Genetics
https://www.readbyqxmd.com/read/29698247/higher-heart-weight-in-new-zealand-m%C3%A4-ori-and-pacific-islanders
#6
Winston Philcox, Jack Garland, Faseeh Zaidi, Paul Morrow, Kilak Kesha, Simon Stables, Christopher X Wong, Amy Spark, Rexson Tse
Heart weight is dependent on sex, age, height, and weight. Although previous autopsy studies showed no differences in heart weight between different ethnic groups, none have examined the New Zealand population of Māori and Pacific Islanders (Polynesians). The presented study compared heart weights between 101 European and 85 Polynesian suicide hanging deaths from New Zealand. Univariate linear regression coefficients for age, male sex, height, body weight, body mass index, and Polynesian ethnicity were positive and significant (P < 0...
April 26, 2018: American Journal of Forensic Medicine and Pathology
https://www.readbyqxmd.com/read/29684863/psychological-and-genetic-risk-factors-associated-with-suicidal-behavior-in-korean-patients-with-mood-disorders
#7
Hee-Yeon Choi, Ga Eun Kim, Kyoung Ae Kong, Yu Jin Lee, Weon-Jeong Lim, So-Hyun Park, Su Hee Ha, Soo In Kim
INTRODUCTION: To prevent suicide, a nationwide important issue in Korea, understanding its etiology is essential. This study aimed to delineate the risk factors for suicidal behavior in mood disorder patients in Korea. METHODS: 216 patients with mood disorders were recruited. We measured suicidal ideation (SI) and suicide attempt (SA) history and the association of six gene polymorphisms with SB: COMT (rs4680), HTR1A (rs6295), TPH1 (rs1800532), BDNF (rs6265), SLC1A3 (rs2269272), and SLC1A2 (rs4755404)...
April 10, 2018: Journal of Affective Disorders
https://www.readbyqxmd.com/read/29673146/predictors-of-response-to-ketamine-in-treatment-resistant-major-depressive-disorder-and-bipolar-disorder
#8
Carola Rong, Caroline Park, Joshua D Rosenblat, Mehala Subramaniapillai, Hannah Zuckerman, Dominika Fus, Yena L Lee, Zihang Pan, Elisa Brietzke, Rodrigo B Mansur, Danielle S Cha, Leanna M W Lui, Roger S McIntyre
OBJECTIVES: Extant evidence indicates that ketamine exerts rapid antidepressant effects in treatment-resistant depressive (TRD) symptoms as a part of major depressive disorder (MDD) and bipolar disorder (BD). The identification of depressed sub-populations that are more likely to benefit from ketamine treatment remains a priority. In keeping with this view, the present narrative review aims to identify the pretreatment predictors of response to ketamine in TRD as part of MDD and BD. METHOD: Electronic search engines PubMed/MEDLINE, ClinicalTrials...
April 17, 2018: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/29588611/the-utility-of-pharmacogenetic-testing-to-support-the-treatment-of-bipolar-disorder
#9
Marta Ielmini, Nicola Poloni, Ivano Caselli, Jordi Espadaler, Miquel Tuson, Alessandro Grecchi, Camilla Callegari
Background: Bipolar disorder (BD) is a frequent cause of disability, health care costs, and risk of suicide. Pharmacogenetic tests (PGTs) could help clinicians to identify those patients predisposed to the occurrence of adverse events (AEs) improving the understanding of the correlation between genetic variants and drug response. Materials and methods: The study evaluated 30 patients affected by BD type I or II (according to Diagnostic and Statistical Manual of Mental Disorders, version 5 ) who underwent the PGT Neurofarmagen® (AB-BIOTICS SA, Barcelona, Spain) between March 2016 and March 2017...
2018: Pharmacogenomics and Personalized Medicine
https://www.readbyqxmd.com/read/29587223/hallmarks-of-alzheimer-disease-are-evolving-relentlessly-in-metropolitan-mexico-city-infants-children-and-young-adults-apoe4-carriers-have-higher-suicide-risk-and-higher-odds-of-reaching-nft-stage-v-at-%C3%A2-40-years-of-age
#10
Lilian Calderón-Garcidueñas, Angélica Gónzalez-Maciel, Rafael Reynoso-Robles, Ricardo Delgado-Chávez, Partha S Mukherjee, Randy J Kulesza, Ricardo Torres-Jardón, José Ávila-Ramírez, Rodolfo Villarreal-Ríos
Exposures to fine particulate matter (PM2.5 ) and ozone (O3 ) above USEPA standards are associated with Alzheimer's disease (AD) risk. Metropolitan Mexico City (MMC) residents have life time exposures to PM2.5 and O3 above USEPA standards. We investigated AD intra and extracellular protein aggregates and ultrastructural neurovascular pathology in 203 MMC residents age 25.36 ± 9.23 y. Immunohistochemical methods were used to identify AT8 hyperphosphorilated tau (Htau) and 4G8 (amyloid β 17-24). Primary outcomes: staging of Htau and amyloid, per decade and cumulative PM2...
July 2018: Environmental Research
https://www.readbyqxmd.com/read/29579760/genetics-of-lithium-response-in-bipolar-disorder
#11
Sergi Papiol, Thomas G Schulze, Martin Alda
INTRODUCTION: Lithium remains the best-established long-term treatment for bipolar disorder because of its efficacy in maintaining periods of remission and reducing the risk of suicide. Not all patients successfully respond to lithium treatment, and the individual response, including the occurrence of side effects, is highly variable and not easy to predict. The genetic basis of lithium response is supported by the fact that the response clusters in families. Likewise, recent high-throughput genomic analyses have shed light on its genetic architecture...
March 26, 2018: Pharmacopsychiatry
https://www.readbyqxmd.com/read/29566153/outcome-dependent-associations-between-short-interpregnancy-interval-and-offspring-psychological-and-educational-problems-a-population-based-quasi-experimental-study
#12
Quetzal A Class, Martin E Rickert, Henrik Larsson, Anna Sara Öberg, Ayesha C Sujan, Catarina Almqvist, Paul Lichtenstein, Brian M D'Onofrio
Background: Causal interpretation of associations between short interpregnancy interval (the duration from the preceeding birth to the conception of the next-born index child) and the offspring's psychological and educational problems may be influenced by a failure to account for unmeasured confounding. Methods: Using population-based Swedish data from 1973-2009, we estimated the association between interpregnancy interval and outcomes [autism spectrum disorder (ASD), attention-deficit/hyperactivity disorder (ADHD), severe mental illness, suicide attempt, criminality, substance-use problem and failing grades] while controlling for measured covariates...
March 16, 2018: International Journal of Epidemiology
https://www.readbyqxmd.com/read/29565806/crispr-cas9-based-cellular-engineering-for-targeted-gene-overexpression
#13
Mark J Osborn, Christopher J Lees, Amber N McElroy, Sarah C Merkel, Cindy R Eide, Wendy Mathews, Colby J Feser, Madison Tschann, Ron T McElmury, Beau R Webber, Chong Jai Kim, Bruce R Blazar, Jakub Tolar
Gene and cellular therapies hold tremendous promise as agents for treating genetic disorders. However, the effective delivery of genes, particularly large ones, and expression at therapeutic levels can be challenging in cells of clinical relevance. To address this engineering hurdle, we sought to employ the clustered regularly interspaced short palindromic repeats (CRISPR)/Cas9 system to insert powerful regulatory elements upstream of an endogenous gene. We achieved robust activation of the COL7A1 gene in primary human umbilical cord blood CD34⁺ hematopoietic stem cells and peripheral blood T-cells...
March 22, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29550775/nineteen-and-up-study-19up-understanding-pathways-to-mental-health-disorders-in-young-australian-twins
#14
Baptiste Couvy-Duchesne, Victoria O'Callaghan, Richard Parker, Natalie Mills, Katherine M Kirk, Jan Scott, Anna Vinkhuyzen, Daniel F Hermens, Penelope A Lind, Tracey A Davenport, Jane M Burns, Melissa Connell, Brendan P Zietsch, James Scott, Margaret J Wright, Sarah E Medland, John McGrath, Nicholas G Martin, Ian B Hickie, Nathan A Gillespie
PURPOSE: The Nineteen and Up study (19Up) assessed a range of mental health and behavioural problems and associated risk factors in a genetically informative Australian cohort of young adult twins and their non-twin siblings. As such, 19Up enables detailed investigation of genetic and environmental pathways to mental illness and substance misuse within the Brisbane Longitudinal Twin Sample (BLTS). PARTICIPANTS: Twins and their non-twin siblings from Queensland, Australia; mostly from European ancestry...
March 17, 2018: BMJ Open
https://www.readbyqxmd.com/read/29536333/association-study-of-vmat1-polymorphisms-and-suicide-behavior
#15
Arezou Sayad, Rezvan Noroozi, Zahra Khodamoradi, Mir Davood Omrani, Mohammad Taheri, Soudeh Ghafouri-Fard
Genetic association studies have linked suicide behavior with genes encoding transporters of monoamine. Variants in the vesicular monoamine transporter 1 (VMAT1) have been previously shown to be associated with several psychiatric disorders including schizophrenia and bipolar disorder. However, their association with suicide behavior has not been explored. In the present study, we genotyped three single-nucleotide polymorphisms (rs2270637, rs1390938, and rs2279709) within this gene in 100 individuals who attempted suicide, 236 suicide victims, and 300 control subjects without any history of psychiatric disorders or suicide ideation...
March 14, 2018: Journal of Molecular Neuroscience: MN
https://www.readbyqxmd.com/read/29526601/association-between-serotonin-2a-receptor-genetic-variations-stressful-life-events-and-suicide
#16
Asghar Ghasemi, Morteza Seifi, Fatemeh Baybordi, Nasim Danaei, Bahram Samadi Rad
AIM: Life events are series of events that disrupt a person's psychological equilibrium and may enhance the development of a disorder such as suicide. Several studies have assessed a relationship between 5-hydroxytryptamine (serotonin) 2A receptor (5-HTR2A) gene polymorphisms with an increased risk of suicide. However, there has been no study about the association between three 5-HTR2A gene polymorphisms, A1438G (rs6311), T102C (rs6313) and C1354T (rs6314), suicide, stressful life, and loss events in a same time...
June 5, 2018: Gene
https://www.readbyqxmd.com/read/29505805/analysis-of-promoter-polymorphism-in-monoamine-oxidase-a-maoa-gene-in-completed-suicide-on-slovenian-population
#17
Katarina Uršič, Tomaž Zupanc, Alja Videtič Paska
Suicide is a well-defined public health problem and is a complex phenomenon influenced by a number of different risk factors, including genetic ones. Numerous studies have examined serotonin system genes. Monoamine oxidase A (MAO-A) is an outer mitochondrial membrane enzyme which is involved in the metabolic pathway of serotonin degradation. Upstream variable number of tandem repeats (uVNTR) in the promoter region of MAOA gene affects the activity of transcription. In the present study we genotyped MAOA-uVNTR polymorphism in 266 suicide victims and 191 control subjects of Slovenian population, which ranks among the European and world populations with the highest suicide rate...
April 23, 2018: Neuroscience Letters
https://www.readbyqxmd.com/read/29503778/transgender-associations-and-possible-etiology-a-literature-review
#18
REVIEW
Fatima Saleem, Syed W Rizvi
Transgender or gender dysphoria has been defined in the fifth edition of the Diagnostic and Statistical Manual of Mental Disorders (DSM-5), as distress resulting from the incongruence between one's experienced gender and one's assigned gender, along with a persistent and strong desire to be of another gender, and accompanied by clinically significant distress. Adolescents referred for evaluation often want hormonal therapy and several among them also express a desire for gender reassignment surgery. Furthermore, evidence shows that adolescents and adults with gender dysphoria without a sex development disorder, before gender reassignments, are at increased risk for suicide...
December 24, 2017: Curēus
https://www.readbyqxmd.com/read/29494899/ancestry-and-different-rates-of-suicide-and-homicide-in-european-countries-a-study-with-population-level-data
#19
Konstantinos N Fountoulakis, Xenia Gonda
INTRODUCTION: There are large differences in suicide rates across Europe. The current study investigated the relationship of suicide and homicide rates in different countries of Europe with ancestry as it is defined with the haplotype frequencies of Y-DNA and mtDNA. MATERIAL AND METHODS: The mortality data were retrieved from the WHO online database. The genetic data were retrieved from http://www.eupedia.com. The statistical analysis included Forward Stepwise Multiple Linear Regression analysis and Pearson Correlation Coefficient (R)...
May 2018: Journal of Affective Disorders
https://www.readbyqxmd.com/read/29481489/post-mortem-analysis-of-suicide-victims-shows-abcb1-haplotype-1236t-2677t-3435t-as-a-candidate-predisposing-factor-behind-adverse-drug-reactions-in-females
#20
Anna-Liina Rahikainen, Jukka U Palo, Jari Haukka, Antti Sajantila
BACKGROUND: Genetic variation in efflux transporter, permeability glycoprotein (P-gp), has recently been associated with completed violent suicides and also violent suicide attempts. As depression is known to be a risk factor for suicide and many antidepressants are P-gp substrates, it has been speculated that inadequate antidepressant treatment response or adverse side effects could be involved. OBJECTIVES: The aim of this study was to investigate whether there is an association between the P-gp coding ABCB1 gene and completed suicides in citalopram users...
April 2018: Pharmacogenetics and Genomics
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