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https://www.readbyqxmd.com/read/29544191/steroid-5%C3%AE-reductase-2-deficiency-leads-to-reduced-dominance-related-and-impulse-control-behaviors
#1
Laura J Mosher, Sean C Godar, Marc Morissette, Kenneth M McFarlin, Simona Scheggi, Carla Gambarana, Stephen C Fowler, Thérèse Di Paolo, Marco Bortolato
The enzyme steroid 5α-reductase 2 (5αR2) catalyzes the conversion of testosterone into the potent androgen 5α-dihydrotestosterone. Previous investigations showed that 5αR2 is expressed in key brain areas for emotional and socio-affective reactivity, yet the role of this enzyme in behavioral regulation remains mostly unknown. Here, we profiled the behavioral characteristics of 5αR2 heterozygous (HZ) and knockout (KO) mice, as compared with their wild-type (WT) littermates. While male 5αR2 KO mice displayed no overt alterations in motoric, sensory, information-processing and anxiety-related behaviors, they exhibited deficits in neurobehavioral correlates of dominance (including aggression against intruders, mating, and tube dominance) as well as novelty-seeking and risk-taking responses...
February 16, 2018: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/29459141/a-descriptive-study-on-selected-growth-parameters-and-growth-hormone-receptor-gene-in-healthy-young-adults-from-the-american-midwest
#2
Samantha N Hartin, Waheeda A Hossain, Ann M Manzardo, Shaquanna Brown, Paula J Fite, Marco Bortolato, Merlin G Butler
CONTEXT: The first study of growth hormone receptor (GHR) genotypes in healthy young adults in the United States attending a Midwestern university and impact on selected growth parameters. OBJECTIVE: To describe the frequency of GHR genotypes in a sample of healthy young adults from the United States attending a university in the Midwest and analyze the relationship between GHR genotypes and selected growth parameters. DESIGN: Saliva was collected from 459 healthy young adults (237 females, 222 males; age range = 18-25 y) and DNA isolated for genotyping of GHR alleles (fl/fl, fl/d3, or d3/d3)...
February 12, 2018: Growth Hormone & IGF Research
https://www.readbyqxmd.com/read/29432902/anterior-focal-adenomyosis-and-bladder-deep-infiltrative-is-there-a-link
#3
Louis Marcellin, Pietro Santulli, Sara Bortolato, Cécile Morin, Anne Elodie Millisher, Bruno Borghese, Charles Chapron
STUDY OBJECTIVE: To evaluate the association between bladder deep infiltrating endometriosis (DIE) and anterior focal adenomyosis of the outer myometrium (aFAOM) diagnosed by preoperative magnetic resonance imaging (MRI). DESIGN: An observational, cross-sectional study using prospectively collected data (Canadian Task Force classification II-2). SETTING: Single university tertiary referral center. PATIENTS: All non-pregnant women less than 42-years-old who had undergone complete surgical exeresis of endometriotic lesions...
February 9, 2018: Journal of Minimally Invasive Gynecology
https://www.readbyqxmd.com/read/29314714/behavioral-fragmentation-in-the-d1ct-7-mouse-model-of-tourette-s-syndrome
#4
Andrea Santangelo, Marco Bortolato, Laura J Mosher, Giuseppe Crescimanno, Giuseppe Di Giovanni, Emanuele Cassioli, Valdo Ricca, Maurizio Casarrubea
AIM: The transgenic D1CT-7 mouse is one of the best-characterized animal models of Tourette's syndrome (TS), exhibiting spontaneous tic-like Head-Body Twitches (HBT) and deficits in sensorimotor gating. This study is aimed at evaluating the behavioral dynamics of these mutants and their potential relevance to TS. METHODS: The behavior of D1CT-7 and Wild Type littermates was firstly assessed by considering frequencies and durations. To detect recurrent real-time behavioral sequences, the multivariate T-pattern analysis was employed...
January 3, 2018: CNS Neuroscience & Therapeutics
https://www.readbyqxmd.com/read/29211841/perioperative-benefit-and-outcome-of-thoracic-epidural-in-esophageal-surgery-a-clinical-review
#5
P Feltracco, A Bortolato, S Barbieri, E Michieletto, E Serra, A Ruol, S Merigliano, C Ori
Surgery for esophageal cancer is a highly stressful and painful procedure, and a significant amount of analgesics may be required to eliminate perioperative pain and blunt the stress response to surgery. Proper management of postoperative pain has invariably been shown to reduce the incidence of postoperative complications and accelerate recovery. Neuraxial analgesic techniques after major thoracic and upper abdominal surgery have long been established to reduce respiratory, cardiovascular, metabolic, inflammatory, and neurohormonal complications...
December 2, 2017: Diseases of the Esophagus: Official Journal of the International Society for Diseases of the Esophagus
https://www.readbyqxmd.com/read/29188565/methodologies-for-the-examination-of-water-in-gpcrs
#6
Andrea Bortolato, Benjamin G Tehan, Robert T Smith, Jonathan S Mason
The following chapter examines some of the current "state-of-the-art" tools for predicting, scoring, and examining explicit water molecules in proteins and protein/ligand complexes, highlighting some of the ways information can be readily examined in a manner that is useful in a drug discovery process.
2018: Methods in Molecular Biology
https://www.readbyqxmd.com/read/29174751/pellagra
#7
Andreia de Oliveira Alves, Thaissa Bortolato, Fred Bernardes Filho
No abstract text is available yet for this article.
February 2018: Journal of Emergency Medicine
https://www.readbyqxmd.com/read/29136806/multivariate-analysis-of-organic-acids-in-fermented-food-from-reversed-phase-high-performance-liquid-chromatography-data
#8
Pablo Mortera, Federico A Zuljan, Christian Magni, Santiago A Bortolato, Sergio H Alarcón
Multivariate calibration coupled to RP-HPLC with diode array detection (HPLC-DAD) was applied to the identification and the quantitative evaluation of the short chain organic acids (malic, oxalic, formic, lactic, acetic, citric, pyruvic, succinic, tartaric, propionic and α-cetoglutaric) in fermented food. The goal of the present study was to get the successful resolution of a system in the combined occurrence of strongly coeluting peaks, of distortions in the time sensors among chromatograms, and of the presence of unexpected compounds not included in the calibration step...
February 1, 2018: Talanta
https://www.readbyqxmd.com/read/29038076/editorial-on-special-issue-animal-models-of-tourette-syndrome
#9
EDITORIAL
Marco Bortolato, Giuseppe di Giovanni
No abstract text is available yet for this article.
October 13, 2017: Journal of Neuroscience Methods
https://www.readbyqxmd.com/read/28940395/delay-discounting-as-impaired-valuation-delayed-rewards-in-an-animal-obesity-model
#10
David P Jarmolowicz, Jennifer L Hudnall, Luanne Hale, Stephen C Fowler, Marco Bortolato, Shea M Lemley, Michael J Sofis
Obesity is a major public health problem, which, like many forms of addiction, is associated with an elevated tendency to choose smaller immediate rather than larger delayed rewards, a response pattern often referred to as excessive delay discounting. Although some accounts of delay discounting conceptualize this process as impulsivity (placing the emphasis on overvaluing the smaller immediate reward), others have conceptualized delay discounting as an executive function (placing the emphasis on delayed rewards failing to retain their value)...
September 2017: Journal of the Experimental Analysis of Behavior
https://www.readbyqxmd.com/read/28700581/corrigendum-crystal-structure-of-the-glp-1-receptor-bound-to-a-peptide-agonist
#11
Ali Jazayeri, Mathieu Rappas, Alastair J H Brown, James Kean, James C Errey, Nathan J Robertson, Cédric Fiez-Vandal, Stephen P Andrews, Miles Congreve, Andrea Bortolato, Jonathan S Mason, Asma H Baig, Iryna Teobald, Andrew S Doré, Malcolm Weir, Robert M Cooke, Fiona H Marshall
This corrects the article DOI: 10.1038/nature22800.
August 3, 2017: Nature
https://www.readbyqxmd.com/read/28611376/allopregnanolone-mediates-the-exacerbation-of-tourette-like-responses-by-acute-stress-in-mouse-models
#12
Laura J Mosher, Sean C Godar, Marianela Nelson, Stephen C Fowler, Graziano Pinna, Marco Bortolato
Tourette syndrome (TS) is a neuropsychiatric disorder characterized by multiple tics and sensorimotor abnormalities, the severity of which is typically increased by stress. The neurobiological underpinnings of this exacerbation, however, remain elusive. We recently reported that spatial confinement (SC), a moderate environmental stressor, increases tic-like responses and elicits TS-like sensorimotor gating deficits in the D1CT-7 mouse, one of the best-validated models of TS. Here, we hypothesized that these adverse effects may be mediated by neurosteroids, given their well-documented role in stress-response orchestration...
June 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28591303/translation-and-cross-cultural-adaptation-of-the-clinical-competence-questionnaire-for-use-in-brazil
#13
Danielle Ritter Kwiatkoski, Maria de Fátima Mantovani, Evani Marques Pereira, Carina Bortolato-Major, Ângela Taís Mattei, Aida Maris Peres
Objective: translating and transculturally adapting the Clinical Competence Questionnaire to Brazilian senior undergraduate Nursing students, as well as measuring psychometric properties of the questionnaire. Method: a methodological study carried out in six steps: translation of the Clinical Competence Questionnaire instrument, consensus of the translations, back-translation, analysis by an expert committee, pre-testing and then presentation of the cross-cultural adaptation process to the developers...
June 5, 2017: Revista Latino-americana de Enfermagem
https://www.readbyqxmd.com/read/28562585/crystal-structure-of-the-glp-1-receptor-bound-to-a-peptide-agonist
#14
COMPARATIVE STUDY
Ali Jazayeri, Mathieu Rappas, Alastair J H Brown, James Kean, James C Errey, Nathan J Robertson, Cédric Fiez-Vandal, Stephen P Andrews, Miles Congreve, Andrea Bortolato, Jonathan S Mason, Asma H Baig, Iryna Teobald, Andrew S Doré, Malcolm Weir, Robert M Cooke, Fiona H Marshall
Glucagon-like peptide 1 (GLP-1) regulates glucose homeostasis through the control of insulin release from the pancreas. GLP-1 peptide agonists are efficacious drugs for the treatment of diabetes. To gain insight into the molecular mechanism of action of GLP-1 peptides, here we report the crystal structure of the full-length GLP-1 receptor bound to a truncated peptide agonist. The peptide agonist retains an α-helical conformation as it sits deep within the receptor-binding pocket. The arrangement of the transmembrane helices reveals hallmarks of an active conformation similar to that observed in class A receptors...
June 8, 2017: Nature
https://www.readbyqxmd.com/read/28498599/prevalence-incidence-and-mortality-from-cardiovascular-disease-in-patients-with-pooled-and-specific-severe-mental-illness-a-large-scale-meta-analysis-of-3-211-768-patients-and-113-383-368-controls
#15
Christoph U Correll, Marco Solmi, Nicola Veronese, Beatrice Bortolato, Stella Rosson, Paolo Santonastaso, Nita Thapa-Chhetri, Michele Fornaro, Davide Gallicchio, Enrico Collantoni, Giorgio Pigato, Angela Favaro, Francesco Monaco, Cristiano Kohler, Davy Vancampfort, Philip B Ward, Fiona Gaughran, André F Carvalho, Brendon Stubbs
People with severe mental illness (SMI) - schizophrenia, bipolar disorder and major depressive disorder - appear at risk for cardiovascular disease (CVD), but a comprehensive meta-analysis is lacking. We conducted a large-scale meta-analysis assessing the prevalence and incidence of CVD; coronary heart disease; stroke, transient ischemic attack or cerebrovascular disease; congestive heart failure; peripheral vascular disease; and CVD-related death in SMI patients (N=3,211,768) versus controls (N=113,383,368) (92 studies)...
June 2017: World Psychiatry: Official Journal of the World Psychiatric Association (WPA)
https://www.readbyqxmd.com/read/28470927/systematic-assessment-of-environmental-risk-factors-for-bipolar-disorder-an-umbrella-review-of-systematic-reviews-and-meta-analyses
#16
REVIEW
Beatrice Bortolato, Cristiano A Köhler, Evangelos Evangelou, Jordi León-Caballero, Marco Solmi, Brendon Stubbs, Lazaros Belbasis, Isabella Pacchiarotti, Lars V Kessing, Michael Berk, Eduard Vieta, André F Carvalho
OBJECTIVES: The pathophysiology of bipolar disorder is likely to involve both genetic and environmental risk factors. In our study, we aimed to perform a systematic search of environmental risk factors for BD. In addition, we assessed possible hints of bias in this literature, and identified risk factors supported by high epidemiological credibility. METHODS: We searched the Pubmed/MEDLINE, EMBASE and PsycInfo databases up to 7 October 2016 to identify systematic reviews and meta-analyses of observational studies that assessed associations between putative environmental risk factors and BD...
March 2017: Bipolar Disorders
https://www.readbyqxmd.com/read/28414491/associations-between-emotional-abuse-and-neglect-and-dimensions-of-alexithymia-the-moderating-role-of-sex
#17
Shaquanna Brown, Paula J Fite, Katie Stone, Allora Richey, Marco Bortolato
OBJECTIVE: Child maltreatment, specifically emotional maltreatment (i.e., an act, such as belittling, blaming, or rejection, that is potentially harmful to a child's emotional development), has emerged as an important correlate of alexithymia. However, the evidence is mixed with regard to how emotional abuse and neglect might relate to dimensions of alexithymia (i.e., externally oriented thinking, difficulty describing feelings, and difficulty identifying feelings). Furthermore, research is needed to identify individual factors that might influence these associations...
April 17, 2017: Psychological Trauma: Theory, Research, Practice and Policy
https://www.readbyqxmd.com/read/28292646/follow-up-of-elderly-patients-with-urogenital-cancers-evaluation-of-geriatric-care-needs-and-related-actions
#18
Silvio Monfardini, Sara Morlino, Riccardo Valdagni, Mario Catanzaro, Ardit Tafa, Barbara Bortolato, Giovanni Petralia, Elisa Bonetto, Elisa Villa, Stefano Picozzi, Maria Cristina Locatelli, Giuseppe Galetti, Andrea Millul, Yasmin Albanese, Elisa Bianchi, Claudia Panzarino, Francesca Gerardi, Ettore Beghi
OBJECTIVES: To investigate a comprehensive geriatric assessment (CGA) with subsequent investigation of healthcare patterns in older patients with urological cancers undergoing initial surgery or radiotherapy, to verify the usefulness of the incorporation of geriatric principles in future care plans. MATERIAL AND METHODS: This is a prospective cohort study. From November 2011 to March 2015, CGA was offered to all patients aged 70+ years treated with radiotherapy or surgery at seven tertiary centers...
July 2017: Journal of Geriatric Oncology
https://www.readbyqxmd.com/read/28262605/impulsivity-as-a-moderator-of-the-associations-between-child-maltreatment-types-and-body-mass-index
#19
Shaquanna Brown, Tarrah B Mitchell, Paula J Fite, Marco Bortolato
Child maltreatment has emerged as an important risk factor for adult obesity (Danese & Tan, 2014; Hemmingsson et al., 2014). However, there is a need for research delineating the factors that play a role in this association. Impulsivity has been shown to be associated with both child maltreatment (Brodsky et al., 2001) and body mass index (BMI; Cortese et al., 2008; Thamotharan et al., 2013). Further, given previous research showing that adverse events interact with impulsivity to predict hazardous drinking behaviors (Fox et al...
May 2017: Child Abuse & Neglect
https://www.readbyqxmd.com/read/28237575/modeling-tics-in-rodents-conceptual-challenges-and-paths-forward
#20
Marco Bortolato, Christopher Pittenger
BACKGROUND: Recent advances in our understanding of the neurobiology of tics have led to the development of novel rodent models capturing different pathophysiological and phenotypic aspects of Tourette syndrome. The proliferation of these models, however, raises vexing questions on what standards should be adopted to assess their theoretical validity and empirical utility. Assessing the homology of a rodent motoric burst with a tic remains problematic, due to our incomplete knowledge of the underpinnings of tics, their high phenotypic complexity and variability, limitations in our ability test key aspects of tic phenomenology (such as premonitory sensory phenomena) in animals, and between-species differences in neuroanatomy and behavioral repertoire...
December 1, 2017: Journal of Neuroscience Methods
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