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https://www.readbyqxmd.com/read/28098749/a-semipersistent-plant-virus-differentially-manipulates-feeding-behaviors-of-different-sexes-and-biotypes-of-its-whitefly-vector
#1
Shaohua Lu, Jingjing Li, Xueli Wang, Danyang Song, Rune Bai, Yan Shi, Qinsheng Gu, Yen-Wen Kuo, Bryce W Falk, Fengming Yan
It is known that plant viruses can change the performance of their vectors. However, there have been no reports on whether or how a semipersistent plant virus manipulates the feeding behaviors of its whitefly vectors. Cucurbit chlorotic yellows virus (CCYV) (genus Crinivirus, family Closteroviridae) is an emergent plant virus in many Asian countries and is transmitted specifically by B and Q biotypes of tobacco whitefly, Bemisia tabaci (Gennadius), in a semipersistent manner. In the present study, we used electrical penetration graph (EPG) technique to investigate the effect of CCYV on the feeding behaviors of B...
January 13, 2017: Viruses
https://www.readbyqxmd.com/read/28097618/sex-behaviors-as-social-cues-motivating-social-venue-patronage-among-young-black-men-who-have-sex-with-men
#2
Lindsay E Young, Stuart Michaels, Adam Jonas, Aditya S Khanna, Britt Skaathun, Ethan Morgan, John A Schneider
HIV prevention programs often focus on the physical social venues where men who have sex with men (MSM) frequent as sites where sex behaviors are assumed to be practiced and risk is conferred. But, how exactly these behaviors influence venue patronage is not well understood. In this study, we present a two-mode network analysis that determines the extent that three types of sex behaviors-condomless sex, sex-drug use, and group sex-influence the patronage of different types of social venues among a population sample of young Black MSM (YBMSM) (N = 623)...
January 17, 2017: AIDS and Behavior
https://www.readbyqxmd.com/read/28097616/operationalizing-the-measurement-of-seroadaptive-behaviors-a-comparison-of-reported-sexual-behaviors-and-purposely-adopted-behaviors-among-men-who-have-sex-with-men-msm-in-seattle
#3
Christine M Khosropour, Julia C Dombrowski, James P Hughes, Lisa E Manhart, Jane M Simoni, Matthew R Golden
Seroadaptive behaviors are traditionally defined by self-reported sexual behavior history, regardless of whether they reflect purposely-adopted risk-mitigation strategies. Among MSM attending an STD clinic in Seattle, Washington 2013-2015 (N = 3751 visits), we used two seroadaptive behavior measures: (1) sexual behavior history reported via clinical computer-assisted self-interview (CASI) (behavioral definition); (2) purposely-adopted risk-reduction behaviors reported via research CASI (purposely-adopted definition)...
January 17, 2017: AIDS and Behavior
https://www.readbyqxmd.com/read/28097615/trends-in-injection-risk-behaviors-among-people-who-inject-drugs-and-the-impact-of-harm-reduction-programs-in-ukraine-2007-2013
#4
Iuliia Makarenko, D C Ompad, Y Sazonova, T Saliuk, J DeHovitz, L Gensburg
The study examined trends in injection risk behaviors among people who inject drugs (PWIDs) and assessed the impact of harm reduction programs in Ukraine during 2007-2013. We performed a secondary analysis of the data collected in serial cross-sectional bio-behavioral surveillance surveys administered with PWIDs in Ukraine in 2007, 2008, 2011, and 2013. Using data from 14 Ukrainian cities, we assessed short-term trends in injection risk behaviors with the Cochran-Armitage test for trend and multivariable logistic regression models, adjusted for age, sex, region, marital status, education level, occupation, age at injection drug use initiation, experience of overdose, and self-reported HIV status...
January 17, 2017: Journal of Urban Health: Bulletin of the New York Academy of Medicine
https://www.readbyqxmd.com/read/28097593/associations-between-positive-body-image-sexual-liberalism-and-unconventional-sexual-practices-in-u-s-adults
#5
Viren Swami, Laura Weis, David Barron, Adrian Furnham
While studies have documented robust relationships between body image and sexual health outcomes, few studies have looked beyond sexual functioning in women. Here, we hypothesized that more positive body image would be associated with greater sexual liberalism and more positive attitudes toward unconventional sexual practices. An online sample of 151 women and 164 men from the U.S. completed measures of sexual liberalism, attitudes toward unconventional sexual practices, and indices of positive body image (i...
January 17, 2017: Archives of Sexual Behavior
https://www.readbyqxmd.com/read/28097182/the-role-of-mass-media-in-iranian-youth-s-premarital-sexual-relationships-a-qualitative-study
#6
Fariba Taleghani, Effat Al Sadat Merghati Khoie, Mahnaz Noroozi, Mahgol Tavakoli, Ali Gholami
BACKGROUND: Youth's sexual behaviors have various consequences such as unwanted pregnancy, acquired immunodeficiency syndrome and sexually transmitted infections. Little information is available about the impact of mass media in the development of premarital sexual relationships. This study aimed to explore the role of mass media on premarital sexual relationships among Iranian youth. METHODS: This qualitative study was conducted with 26 single boys and girls aged 18-24 years who were living in Isfahan, Iran and have already been started their sexual relationships...
January 2017: International Journal of Community Based Nursing and Midwifery
https://www.readbyqxmd.com/read/28096497/bdnf-regains-function-in-hippocampal-long-term-potentiation-deficits-caused-by-diencephalic-damage
#7
Lindsey C Vedder, Lisa M Savage
Thiamine deficiency (TD), commonly associated with chronic alcoholism, leads to diencephalic damage, hippocampal dysfunction, and spatial learning and memory deficits. We show a decrease in the magnitude of long-term potentiation (LTP) and paired-pulse facilitation (PPF) at CA3-CA1 synapses, independent of sex, following diencephalic damage induced by TD in rats. Thus, despite a lack of extensive hippocampal cell loss, diencephalic brain damage down-regulates plastic processes within the hippocampus, likely contributing to impaired hippocampal-dependent behaviors...
February 2017: Learning & Memory
https://www.readbyqxmd.com/read/28096058/anemia-at-the-time-of-diagnosis-of-inflammatory-bowel-disease-prevalence-and-associated-factors-in-adolescent-and-adult-patients
#8
Alfredo J Lucendo, Ángel Arias, Óscar Roncero, Daniel Hervías, Cristina Verdejo, Carmen Naveas-Polo, Abdelmouneim Bouhmidi, Rufo Lorente, Luis Miguel Alcázar, Irina Salueña, Julio A García-Quiñones, María Jesús Carrillo-Ramos
BACKGROUND: The prevalence, characteristic and determinants of anemia, at the time of inflammatory bowel disease (IBD) diagnosis have yet to be fully elucidated. METHODS: Retrospective cross-sectional study. Analytical data and disease characteristics obtained upon diagnosis of 1278 IBD patients [Crohn's disease/ulcerative colitis (CD/UC): 718/560] were collected. RESULTS: Anemia was present in 41.2% of patients at diagnosis (47% and 33.8% of CD and UC patients, respectively; p<0...
December 14, 2016: Digestive and Liver Disease
https://www.readbyqxmd.com/read/28095604/vocal-repertoire-of-free-ranging-black-howler-monkeys-alouatta-pigra-call-types-contexts-and-sex-related-contributions
#9
Margarita Briseño-Jaramillo, Véronique Biquand, Alejandro Estrada, Alban Lemasson
Alouatta species utter the most powerful primate vocalizations in the Neotropics and are well-known for their loud and long-lasting male howling bouts. However, the diversity of acoustic structures used in these howling bouts, as well as in non-howling contexts, and the relative contribution of the different group members to the entire vocal repertoire, needed to be explored further. This report provides the first detailed description of the vocal repertoire of black howler monkeys (Alouatta pigra), focusing on acoustic structures and contexts of emission of both loud and soft calls as well as on the contribution rate of males and females to the different call types...
January 17, 2017: American Journal of Primatology
https://www.readbyqxmd.com/read/28095033/detection-of-the-toughest-pedestrian-injury-risk-as-a-smooth-function-of-age
#10
Tobias Niebuhr, Mirko Junge
OBJECTIVE: While it is common to regard age-specific groups (e.g. children, adults, elderly), smooth trends conditional on the age are mainly ignored in the literature. The present study examines the pedestrian injury risk in full-frontal pedestrian to passenger car accidents and incorporates the age -besides the collision speed and the injury severity- as a plug-in parameter. METHODS: Recent work introduced a model for pedestrian injury risk functions using explicit formulae with easily interpretable model parameters...
January 17, 2017: Traffic Injury Prevention
https://www.readbyqxmd.com/read/28094553/burden-of-hiv-syphilis-and-hepatitis-b-and-c-among-inmates-in-a-prison-state-system-in-mexico
#11
Pablo F Belaunzaran-Zamudio, Juan Luis Mosqueda-Gómez, Alejandro Macías-Hernández, Sonia Rodríguez-Ramírez, Juan Sierra-Madero, Chris Beyrer
We studied the prevalence of HIV, syphilis, HBV and HCV infection and associated risk behaviors in the prison state system of Guanajuato, Mexico between September 2011 and February 2012. Blood samples were drawn from adult inmates in all State prisons agreeing to participate in this cross-sectional study. Data on risk behaviors was collected using self-administered questionnaires. Prevalence of HIV, syphilis, HBV and HCV infection was 0.6% (95%CI=0.2-1.1), 0.7% (95%CI=0.4-1.0), 0.4 (95%CI=0.04-0.74) and 4.8 (95%CI=3...
January 17, 2017: AIDS Research and Human Retroviruses
https://www.readbyqxmd.com/read/28094283/adolescent-chronic-stress-and-adult-anxiety-adolescent-chronic-unpredictable-stress-exposure-is-a-sensitive-window-for-long-term-changes-in-adult-behavior-in-mice
#12
Nicole L Yohn, Julie A Blendy
Adolescence is a time period in development when the brain undergoes substantial remodeling in response to the environment. To determine if a stressful experience during adolescence affects adult behavior, we exposed adolescent male and female C57BL/6J mice to chronic unpredictable stress (CUS) for 12 days starting at post-natal day 28 (PND28). We also exposed adult male and female mice to CUS for 12 days beginning at PND70 to determine if adolescence is a sensitive time period when stress can have long-lasting effects on behavior...
January 17, 2017: Neuropsychopharmacology: Official Publication of the American College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28093793/the-sex-dependent-effects-of-letrozole-on-anxiety-in-middle-aged-rats
#13
Veronika Borbélyová, Emese Domonkos, Melinda Csongová, Mária Kačmárová, Daniela Ostatníková, Peter Celec, Július Hodosy
Aromatase catalyzes the conversion of testosterone to estradiol and is involved in physiological effects of sex hormones on brain functions. Animal experiments have shown that the aromatase inhibitor, letrozole, can induce anxiety in young ovariectomized females that are used as a model of aging. Whether or not these effects would be similar in intact middle-aged animals is unknown. The aim of our study was to analyze the effects of letrozole on anxiety in middle-aged rats of both sexes. Fifteen months old male and female rats were treated daily with either letrozole or vehicle for 2 weeks...
January 16, 2017: Clinical and Experimental Pharmacology & Physiology
https://www.readbyqxmd.com/read/28092293/the-association-between-symptomatic-and-diagnostic-depression-and-pain-among-the-elderly-population-in-south-korea
#14
Wanhyung Lee, Kwanyoung Hong, Sung-Shil Lim, Dong Hyun Kim, Jin-Ha Yoon
The exact nature of pain (amount or severity) associated with in depression in the elderly population has not been studied extensively yet. We investigated the association between the characteristics of pain and both symptomatic and diagnostic depression using data from the 2012 Korean Longitudinal Study of Aging (2164 men, 2066 women). Symptomatic depression was identified a score of 12 or higher on the 10-item Center for Epidemiologic Studies-Depression Scale. Odds ratios with a 95% confidence interval was calculated for depression using multiple logistic regression models after adjusting for age, sex, socioeconomic status, health behavioral factors, and chronic diseases...
January 14, 2017: Journal of Nervous and Mental Disease
https://www.readbyqxmd.com/read/28089843/early-chronic-low-level-pb-exposure-alters-global-exploratory-behaviors-but-does-not-impair-spatial-and-object-memory-retrieval-in-an-object-in-place-task-in-pre-adolescent-c57bl-6j-mice
#15
Christina Sobin, Mayra Gisel Flores-Montoya, Juan Manuel Alvarez
The mechanisms by which early chronic low-level lead (Pb) exposure disrupts the developing brain are not yet understood. Rodent models have provided promising results however behavioral tests sensitive to effects at lowest levels of exposure during development are needed. Preadolescent animals (N=52) exposed to low and higher levels of Pb via lactation from birth to PND 28 completed the Object-in-Place Task of visual spatial and visual object memory retrieval (at PND 28). Generalized linear mixed models were used, controlling for sex and litter as a random effect...
January 12, 2017: Neurotoxicology and Teratology
https://www.readbyqxmd.com/read/28089703/to-each-its-own-gender-differences-in-affective-autonomic-and-behavioral-responses-to-same-sex-and-opposite-sex-visual-sexual-stimuli
#16
Michela Sarlo, Giulia Buodo
A large body of research on gender differences in response to erotic stimuli has focused on genital and/or subjective sexual arousal. On the other hand, studies assessing gender differences in emotional psychophysiological responding to sexual stimuli have only employed erotic pictures of male-female couples or female/male nudes. The present study aimed at investigating differences between gynephilic men and androphilic women in emotional responding to visual sexual stimuli depicting female-male, female-female and male-male couples...
January 12, 2017: Physiology & Behavior
https://www.readbyqxmd.com/read/28089665/dissociation-of-morphine-analgesic-effects-in-the-sensory-and-affective-components-of-formalin-induced-spontaneous-pain-in-male-and-female-rats
#17
Lisa R Harton, Janell R Richardson, Alexander Armendariz, Arbi Nazarian
Sex differences in the analgesic effects of morphine have been previously reported in various models that represent the sensory component of pain. However, pain sensation is a complex process that consists of both sensory and affective components. It is presently unclear whether the analgesic effects of morphine between the sensory and affective components of pain are sexually dimorphic. Moreover, differences in morphine dose-response in the two components of pain have not been examined in male and female rats...
January 12, 2017: Brain Research
https://www.readbyqxmd.com/read/28089611/government-s-role-in-promoting-healthy-lifestyle
#18
REVIEW
Laurie Whitsel
Worldwide, poor lifestyle behaviors, including obesity, physical inactivity, and low diet quality, are creating an unstainable burden of chronic disease with disparities across geography, race, income, education, and sex. Government plays an important role in addressing lifestyle behaviors and population health, reducing health disparities and chronic disease. Areas for government involvement include surveillance, research, programming, access to health care, quality assurance and guidelines for diet and physical activity(PA)...
January 13, 2017: Progress in Cardiovascular Diseases
https://www.readbyqxmd.com/read/28089116/bullying-and-sexual-discrimination-in-the-greek-health-care-system
#19
Pavlina Chrysafi, Effie Simou, Marinos Makris, George Malietzis, Gregory C Makris
INTRODUCTION: Modern medicine is based on teamwork and communication. Bullying and discrimination can have a serious effect on these, affecting the standard of medical training and patient care. AIM: To determine the incidence of bullying and sex discrimination in the Greek health care system. METHODS: An online questionnaire was designed and circulated among Greek medical professionals. RESULTS: We received 1349 completed questionnaires with a response rate of 48% and with 45% of them being female...
January 6, 2017: Journal of Surgical Education
https://www.readbyqxmd.com/read/28088551/individual-and-sex-differences-in-high-and-low-responder-phenotypes
#20
María B Carreira, Ricardo Cossio, Gabrielle B Britton
Individual differences in responses to a novel environment are an important tool to predict predisposition to neuropsychiatric disorders. One way to examine individual differences involves classifying animals based on locomotion in a novel context. In this study we focused on individual and sex differences by categorizing female and male mice as high (HR) or low responders (LR) on the basis of open field locomotion. We then assessed whether groups differed on behavioral measures of spontaneous alternations, anxiety, depression and contextual fear conditioning...
January 11, 2017: Behavioural Processes
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