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https://www.readbyqxmd.com/read/29668044/impairments-in-hemodynamic-responses-to-orthostasis-associated-with-frailty-results-from-the-irish-longitudinal-study-on-ageing-tilda
#1
Matthew Dl O'Connell, George M Savva, Ciarán Finucane, Roman Romero-Ortuno, Chie Wei Fan, Rose Anne Kenny
OBJECTIVES: To characterize the relationships between orthostatic blood pressure (BP) and heart rate recovery and frailty in an older population. DESIGN: Cross-sectional study. SETTING: Two health centers in the Republic of Ireland. PARTICIPANTS: The Irish Longitudinal Study on Ageing participants aged 50 and older (N=4,334). MEASUREMENTS: Continuous noninvasive BP responses during active standing were captured using digital photoplethysmography...
April 18, 2018: Journal of the American Geriatrics Society
https://www.readbyqxmd.com/read/29667453/impaired-health-related-quality-of-life-and-related-risk-factors-among-u-s-adults-with-asthma
#2
Cynthia A Pate, Hatice S Zahran, Cathy M Bailey
Objective This study assessed Health-related Quality of Life (HRQoL) and related risk factors among adults with asthma in the United States. Using the 2015 Behavioral Risk Factor Surveillance System (BRFSS), we examined the association between four domains of impaired HRQoL and selected explanatory factors.  Methods A BRFSS sample of 39 321 adults with asthma was used in this study. We examined the association between fair/poor health, ≥14 mentally unhealthy days, ≥14 physically unhealthy days, and ≥14 days of activity limitation and selected explanatory variables (sex, race/ethnicity, age, annual household income, healthcare coverage, physical activity, smoking status, Body Mass Index (BMI), having a coexisting disease, and being diagnosed with depression) using multivariable logistic regression models...
April 18, 2018: Journal of Asthma: Official Journal of the Association for the Care of Asthma
https://www.readbyqxmd.com/read/29667272/different-brain-networks-underlying-intelligence-in-autism-spectrum-disorders
#3
Emmanuel Peng Kiat Pua, Charles B Malpas, Stephen C Bowden, Marc L Seal
There has been sustained clinical and cognitive neuroscience research interest in how network correlates of brain-behavior relationships might be altered in Autism Spectrum Disorders (ASD) and other neurodevelopmental disorders. As previous work has mostly focused on adults, the nature of whole-brain connectivity networks underlying intelligence in pediatric cohorts with abnormal neurodevelopment requires further investigation. We used network-based statistics (NBS) to examine the association between resting-state functional Magnetic Resonance Imaging (fMRI) connectivity and fluid intelligence ability in male children (n = 50) with Autism Spectrum Disorders (ASD; M = 10...
April 17, 2018: Human Brain Mapping
https://www.readbyqxmd.com/read/29667168/cognitive-decline-and-older-driver-crash-risk
#4
Laura A Fraade-Blanar, Beth E Ebel, Eric B Larson, Jeanne M Sears, Hilaire J Thompson, Kwun Chuen G Chan, Paul K Crane
OBJECTIVES: To examine automobile crash risk associated with cognition in older drivers without dementia. DESIGN: Retrospective secondary analysis of longitudinal cohort study. SETTING: Our study used data from the Adult Changes in Thought (ACT) Study merged with Washington State crash reports and licensure records. Data were available from 2002 to 2015. PARTICIPANTS: Group Health enrollees from Washington State aged 65 and older with active driver's licenses (N=2,615)...
April 17, 2018: Journal of the American Geriatrics Society
https://www.readbyqxmd.com/read/29667043/abnormalities-in-thalamo-cortical-connections-in-patients-with-first-episode-schizophrenia-a-two-tensor-tractography-study
#5
Hesham M Hamoda, A T Makhlouf, J Fitzsimmons, Y Rathi, N Makris, R I Mesholam-Gately, J D Wojcik, J Goldstein, R W McCarley, L J Seidman, M Kubicki, M E Shenton
The "cognitive dysmetria" hypothesis suggests that impairments in cognition and behavior in patients with schizophrenia can be explained by disruptions in the cortico-cerebellar-thalamic-cortical circuit. In this study we examine thalamo-cortical connections in patients with first-episode schizophrenia (FESZ). White matter pathways are investigated that connect the thalamus with three frontal cortex regions including the anterior cingulate cortex (ACC), ventrolateral prefrontal cortex (VLPFC), and lateral oribitofrontal cortex (LOFC)...
April 17, 2018: Brain Imaging and Behavior
https://www.readbyqxmd.com/read/29666766/mirnaome-expression-profiles-in-the-gonads-of-adult-melopsittacus-undulatus
#6
Lan Jiang, Qingqing Wang, Jue Yu, Vinita Gowda, Gabriel Johnson, Jianke Yang, Xianzhao Kan, Xiaojun Yang
The budgerigar ( Melopsittacus undulatus ) is one of the most widely studied parrot species, serving as an excellent animal model for behavior and neuroscience research. Until recently, it was unknown how sexual differences in the behavior, physiology, and development of organisms are regulated by differential gene expression. MicroRNAs (miRNAs) are endogenous short non-coding RNA molecules that can post-transcriptionally regulate gene expression and play a critical role in gonadal differentiation as well as early development of animals...
2018: PeerJ
https://www.readbyqxmd.com/read/29666581/sex-and-tissue-specific-expression-profiles-of-odorant-binding-protein-and-chemosensory-protein-genes-in-bradysia-odoriphaga-diptera-sciaridae
#7
Yunhe Zhao, Jinfeng Ding, Zhengqun Zhang, Feng Liu, Chenggang Zhou, Wei Mu
Bradysia odoriphaga is an agricultural pest insect affecting the production of Chinese chive and other liliaceous vegetables in China, and it is significantly attracted by sex pheromones and the volatiles derived from host plants. Despite verification of this chemosensory behavior, however, it is still unknown how B. odoriphaga recognizes these volatile compounds on the molecular level. Many of odorant binding proteins (OBPs) and chemosensory proteins (CSPs) play crucial roles in olfactory perception. Here, we identified 49 OBP and 5 CSP genes from the antennae and body transcriptomes of female and male adults of B...
2018: Frontiers in Physiology
https://www.readbyqxmd.com/read/29666571/pleiotropic-contribution-of-mecom-and-avpr1a-to-aggression-and-subcortical-brain-volumes
#8
Marjolein M J van Donkelaar, Martine Hoogman, Irene Pappa, Henning Tiemeier, Jan K Buitelaar, Barbara Franke, Janita Bralten
Reactive and proactive subtypes of aggression have been recognized to help parse etiological heterogeneity of this complex phenotype. With a heritability of about 50%, genetic factors play a role in the development of aggressive behavior. Imaging studies implicate brain structures related to social behavior in aggression etiology, most notably the amygdala and striatum. This study aimed to gain more insight into the pathways from genetic risk factors for aggression to aggression phenotypes. To this end, we conducted genome-wide gene-based cross-trait meta-analyses of aggression with the volumes of amygdala, nucleus accumbens and caudate nucleus to identify genes influencing both aggression and aggression-related brain volumes...
2018: Frontiers in Behavioral Neuroscience
https://www.readbyqxmd.com/read/29666169/impact-of-transitional-care-on-endocrine-and-anthropometric-parameters-in-prader-willi-syndrome
#9
Anne-Cécile Paepegaey, Muriel Coupaye, Asma Jaziri, Florence Menesguen, Béatrice Dubern, Michel Polak, Jean-Michel Oppert, Maithe Tauber, Graziella Pinto, Christine Poitou
CONTEXT: The transition of patients with Prader-Willi syndrome (PWS) to adult life for medical care is challenging because of multiple comorbidities, including hormone deficiencies, obesity, and cognitive and behavioral disabilities. OBJECTIVE: To assess endocrine management, and metabolic and anthropometric parameters of PWS adults who received (n=31) or not (n=64) transitional care, defined as specialized pediatric care followed by a structured care pathway to a multidisciplinary adult team...
April 17, 2018: Endocrine Connections
https://www.readbyqxmd.com/read/29665785/new-types-of-drug-use-and-risks-of-drug-use-among-men-who-have-sex-with-men-a-cross-sectional-study-in-hangzhou-china
#10
Lin He, Xiaohong Pan, Ning Wang, Jiezhe Yang, Jun Jiang, Yan Luo, Xingliang Zhang, Xiting Li
BACKGROUND: The use of new types of drugs has become more common among men who have sex with men (MSM). The aim of this study was to describe the patterns of the use of new types of drugs, such as methamphetamine, ketamine, ecstasy, and rush poppers, and to examine the factors associated with drug use and HIV infection among MSM in Hangzhou, China. METHODS: This cross-sectional study was conducted between August 2015 and April 2016. We used snowball sampling to recruit MSM; participants were recruited from voluntary counseling and testing centers, baths, bars, Blued (an app for the gay community), QQ groups, clubs, and other types of venues...
April 17, 2018: BMC Infectious Diseases
https://www.readbyqxmd.com/read/29665492/sex-and-orientation-identity-matter-in-the-substance-use-behaviors-of-sexual-minority-adolescents-in-the-united-states
#11
Theodore L Caputi
BACKGROUND: Health sciences researchers are beginning to understand the differing experiences and health risks among sexual minority subgroups (i.e., those who describe themselves as homosexual/gay/lesbian, bisexual, or unsure/questioning). Such research can promote the allocation of resources to high-risk groups and the development of interventions tailored to their needs. The present study extends this line of research to substance use among adolescents. METHODS: The lifetime and/or past 30-day alcohol, tobacco, cigarette, e-cigarette, marijuana, prescription drug, and illicit drug use of sexual minority and heterosexual adolescents was analyzed using data from the 2015 National Youth Risk Behavior Survey...
March 7, 2018: Drug and Alcohol Dependence
https://www.readbyqxmd.com/read/29665250/a-genome-wide-association-study-of-coping-behaviors-suggests-fbxo45-is-associated-with-emotional-expression
#12
Chisato Shimanoe, Tsuyoshi Hachiya, Megumi Hara, Yuichiro Nishida, Keitaro Tanaka, Yoichi Sutoh, Atsushi Shimizu, Asahi Hishida, Sayo Kawai, Rieko Okada, Takashi Tamura, Keitaro Matsuo, Hidemi Ito, Etsuko Ozaki, Daisuke Matsui, Rie Ibusuki, Ippei Shimoshikiryo, Naoyuki Takashima, Aya Kadota, Kokichi Arisawa, Hirokazu Uemura, Sadao Suzuki, Miki Watanabe, Kiyonori Kuriki, Kaori Endoh, Haruo Mikami, Yohko Nakamura, Yukihide Momozawa, Michiaki Kubo, Masahiro Nakatochi, Mariko Naito, Kenji Wakai
Individuals use coping behaviors to deal with unpleasant daily events. Such behaviors can moderate or mediate the pathway between psychosocial stress and health-related outcomes. However, few studies have examined the associations between coping behaviors and genetic variants. We conducted a genome-wide association study (GWAS) on coping behaviors in 13,088 participants aged 35-69 years as part of the Japan Multi-Institutional Collaborative Cohort Study. Five coping behaviors (emotional expression, emotional support seeking, positive reappraisal, problem solving, and disengagement) were measured and analyzed...
April 17, 2018: Genes, Brain, and Behavior
https://www.readbyqxmd.com/read/29665231/estrogen-returns-to-the-stage-in-melanoma
#13
Jennifer L McQuade, Michael A Davies
It has long been recognized that female sex is associated with a lower risk of and improved survival in melanoma (Joosse et al., 2012). However, the mechanism underlying this disparity in outcomes is not understood. One potential explanation is behavioral- i.e. differences by sex in UV exposure, screening and detection, and healthcare utilization. Observed differences between men and women in prognostic factors in primary melanomas would support this. For example, men are more likely to have thicker, ulcerated tumors, which could reflect diagnostic delays...
April 17, 2018: Pigment Cell & Melanoma Research
https://www.readbyqxmd.com/read/29665124/how-does-dementia-with-lewy-bodies-start-prodromal-cognitive-changes-in-rem-sleep-behavior-disorder
#14
Daphné Génier Marchand, Ronald B Postuma, Frédérique Escudier, Jessie De Roy, Amélie Pelletier, Jacques Montplaisir, Jean-François Gagnon
Objective We describe the progression of cognitive decline and identify the predictive values of cognitive tests in three groups of REM sleep behavior disorder (RBD) patients classified at their last follow-up as having Parkinson's disease (PD), dementia with Lewy bodies (DLB), or still-idiopathic. Methods Patients (n=109) underwent polysomnographic, neurological, and neuropsychological assessments. We used linear mixed-model analyses to compare the progression of cognitive test performance between the three groups over a three-year prodromal period, and performed linear regressions for a six-year prodromal period...
April 17, 2018: Annals of Neurology
https://www.readbyqxmd.com/read/29665010/developmental-trajectories-and-influences-of-environmental-complexity-on-oxytocin-receptor-and-vasopressin-1a-receptor-expression-in-male-and-female-prairie-voles
#15
George S Prounis, Kyle Thomas, Alexander G Ophir
Nonapeptide receptors, like oxytocin receptor (OTR) and vasopressin 1a receptor (V1aR), modulate a variety of functions across taxa, and mediate phenotypic variation within and between species. Despite the popularity of studying nonapeptides in adults, developmental perspectives on properties of OTR and V1aR expression are lacking. Study of prairie voles (Microtus ochrogaster) has facilitated an understanding of mechanisms of social behavior, and provides great potential to inform how early life experiences alter phenotype...
April 17, 2018: Journal of Comparative Neurology
https://www.readbyqxmd.com/read/29664666/adherence-to-principles-of-medical-ethics-among-physicians-in-mazandaran-province-iran
#16
Ahmad Ghaderi, Farhad Malek, Mohammad Mohammadi, Somayeh Rostami Maskopaii, Amir Hamta, Seyyed Abdollah Madani
BACKGROUND: Considering that medical ethics is an applied subject providing systematic solutions to help physicians with moral issues, this research aimed to evaluate adherence to the principles of medical ethics among physicians on the basis of attitude of physicians of Mazandaran province. METHODS: This cross-sectional study was conducted in Mazandaran province, Iran during 2015. A researcher-made questionnaire was used for data collection. The questionnaire was first completed by 40 physicians and its reliability was confirmed by obtaining a Cronbach's alpha coefficient equal to 0...
January 1, 2018: Archives of Iranian Medicine
https://www.readbyqxmd.com/read/29664123/transition-to-a-1-year-deferral-for-male-blood-donors-who-report-sexual-contact-with-men-staff-perspectives-at-one-blood-collection-organization
#17
Shana D Hughes, Brian Custer, Nicole Laborde, Nicolas Sheon
BACKGROUND: Front-line staff at blood collection organizations (BCOs) play important roles in keeping the blood supply safe, yet research on their professional practice and perspectives on training needs is sparse. This qualitative study explored these topics with regard to the then-impending change in donor eligibility for men reporting sex with another man (MSM). STUDY DESIGN AND METHODS: Semistructured, individual interviews with BCO staff (n = 13) in Northern California covered experiences of and opinions on indefinite deferral, the revised 1-year deferral, and anticipated potential challenges arising from the new policy...
April 17, 2018: Transfusion
https://www.readbyqxmd.com/read/29664048/effect-of-rapid-eye-movement-sleep-behavior-disorder-on-obstructive-sleep-apnea-severity-and-cognition-of-parkinson-s-disease-patients
#18
Jun-Ying Huang, Jin-Ru Zhang, Yun Shen, Hui-Jun Zhang, Yu-Lan Cao, Cheng-Jie Mao, Ya-Ping Yang, Jing Chen, Chun-Feng Liu, Jie Li
Background: Rapid eye movement (REM) sleep behavior disorder (RBD) and obstructive sleep apnea (OSA) are the most common sleep disorders in Parkinson's disease (PD). The aim of this study was to identify whether RBD could alleviate OSA severity in PD patients and its effect on cognitive impairment. Methods: From February 2014 to May 2017, we recruited 174 PD patients from the Second Affiliated Hospital of Soochow University, all of whom underwent polysomnography (PSG)...
April 20, 2018: Chinese Medical Journal
https://www.readbyqxmd.com/read/29663984/pattern-analysis-of-sedentary-behavior-change-after-a-walking-intervention
#19
Ann M Swartz, Chi C Cho, Whitney A Welch, Michael E Widlansky, Hotaka Maeda, Scott J Strath
OBJECTIVES: We examined the pattern of change in sedentary behavior (SB) resulting from a physical activity (PA) intervention in older adults, and the influence of sex on changes in SB. METHODS: One hundred twenty (N = 120) inactive older adults from 2 12-week step/day-target interventions were included in this pooled reanalysis. Participants were randomly assigned to an intervention (STEP) or control group (CON). A Hip-worn accelerometer (Actigraph) was used to assess SB and PA...
May 1, 2018: American Journal of Health Behavior
https://www.readbyqxmd.com/read/29663559/sex-differences-in-hippocampal-mineralocorticoid-and-glucocorticoid-receptor-mrna-expression-in-response-to-acute-mate-pair-separation-in-zebra-finches-taeniopygia-guttata
#20
Farrah N Madison, Andrew J Kesner, Beau A Alward, Gregory F Ball
Mate separation has been shown to mediate changes in physiological and behavioral processes via activation of the hypothalamo-pituitary-adrenal (HPA) axis in both mammalian and avian species. In order to elucidate the neural mechanisms associated with changes in the HPA axis in response to social stress, we investigated the effects of mate pair separation on circulating corticosterone concentrations as well as gene expression levels of mineralocorticoid receptor (MR), glucocorticoid receptor (GR), and corticotropin releasing hormone (CRH) in the hypothalamus and hippocampus of both male and female zebra finches, a species that forms strong pair bonds...
April 16, 2018: Hippocampus
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