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https://www.readbyqxmd.com/read/28340511/quantitative-mapping-reveals-age-and-sex-differences-in-vasopressin-but-not-oxytocin-immunoreactivity-in-the-rat-social-behavior-neural-network
#1
Brett T DiBenedictis, Elizabeth R Nussbaum, Harry K Cheung, Alexa H Veenema
The neuropeptides vasopressin (AVP) and oxytocin (OT) have been implicated in the regulation of numerous social behaviors in adult and juvenile animals. AVP and OT signaling predominantly occur within a circuit of interconnected brain regions known collectively as the "social behavior neural network" (SBNN). Importantly, AVP and OT signaling within the SBNN has been shown to differentially regulate diverse social behaviors, depending on the age and/or sex of the animal. We hypothesized that variation in the display of these behaviors is due in part to age and sex differences in AVP and OT synthesis within the SBNN...
March 24, 2017: Journal of Comparative Neurology
https://www.readbyqxmd.com/read/28340508/dyspareunia-in-a-survivor-of-childhood-sexual-abuse
#2
Jenna A LoGiudice
Dyspareunia is a frequent chief concern encountered by midwives and other women's health care providers. There are many possible etiologies for dyspareunia, including a history of childhood sexual abuse, and approaching assessment in a holistic manner is necessary to identify the etiology. This case report presents evidence on the importance of screening a woman who presents with dyspareunia in a therapeutic manner to facilitate disclosure of sexual abuse. Best practices for screening for sexual violence, along with recommendations for providing gynecologic care to survivors, are offered...
March 24, 2017: Journal of Midwifery & Women's Health
https://www.readbyqxmd.com/read/28340266/rna-seq-based-transcriptome-and-the-reproduction-related-genes-for-the-aphid-schlechtendalia-chinensis-hemiptera-aphididae
#3
P Liu, Z X Yang, X M Chen, P Yang
Chinese galls form on sumac plants (Rhus chinensis) and are used for medicinal and chemical purposes, due to their richness in tannins. The galls are formed by aphids, the most prominent of which is Schlechtendalia chinensis, which forms horn-shaped galls on the winged rachis of R. chinensis. S. chinensis has a complex life cycle, including both R. chinensis and certain mosses as hosts, as well as the existence of both sexual and asexual reproduction (cyclical parthenogenesis). Previous studies have shown that the alternate occurrence of sexual and asexual reproduction relies on many environmental factors, such as temperature, photoperiod, and host-plant...
March 22, 2017: Genetics and Molecular Research: GMR
https://www.readbyqxmd.com/read/28340125/the-association-of-lesbian-gay-and-bisexual-identity-facets-with-smoking-dependence-motives
#4
Nathan Grant Smith, Kate Winderman, Brooke King, Ezemenari M Obasi, Lorraine R Reitzel
Introduction: Lesbian, gay, and bisexual (LGB) adults have higher rates of smoking than heterosexual adults. LGB individuals face unique stressors, including challenges associated with having a LGB identity. The extent to which these unique stressors are related to dependence motives in LGB adult smokers, however, has not been previously explored. The current study was conducted to redress these gaps. Methods: Participants (N=52; Mage=42.8; 55.8% Black/African American) were recruited from the local community...
March 9, 2017: Nicotine & Tobacco Research: Official Journal of the Society for Research on Nicotine and Tobacco
https://www.readbyqxmd.com/read/28339944/exploring-relationships-between-body-appreciation-and-self-reported-physical-health-among-young-women
#5
Virginia Ramseyer Winter, Elizabeth A O'Neill, Areen Omary
Body image, a multidimensional construct, affects women in myriad ways. Existing scholarship has established a relationship between body image and negative mental and sexual health outcomes and suggests that it may also be related to physical health outcomes. The purpose of the study reported in this article was to explore relationships between body appreciation, a multidimensional measure of body image, and self-perceived physical health among a sample of emerging adult women (N = 399). In this sample, body appreciation was positively and significantly related to self-perceived physical health...
March 4, 2017: Health & Social Work
https://www.readbyqxmd.com/read/28339861/constitutive-luteinizing-hormone-receptor-signaling-causes-sexual-dysfunction-and-leydig-cell-adenomas-in-male-mice1
#6
Lan Hai, Deepak S Hiremath, Marilène Paquet, Prema Narayan
The luteinizing hormone receptor (LHCGR) is necessary for fertility and genetic mutations cause defects in reproductive development and function. Activating mutations in LHCGR cause familial male limited precocious puberty (FMPP). We have previously characterized a mouse model (KiLHRD582G) for FMPP that exhibits the same phenotype of precocious puberty, Leydig cell hyperplasia and elevated testosterone as boys with the disorder. We observed that KiLHRD582G male mice became infertile by 6 months of age although sperm count and motility were normal...
February 17, 2017: Biology of Reproduction
https://www.readbyqxmd.com/read/28339840/the-effects-of-sexual-orientation-on-the-relationship-between-victimization-experiences-and-smoking-status-among-us-women
#7
Alicia K Matthews, Young Ik Cho, Tonda L Hughes, Sharon C Wilsnack, Frances Aranda, Timothy Johnson
Introduction: This study examined the relationships between experiences of childhood and adulthood victimization and current smoking among heterosexual and sexual minority women (SMW). The main hypothesis was that victimization experiences would predict current smoking status. Further, we hypothesized that the effect of childhood victimization on self-reported smoker status would be mediated by adult victimization. Methods: Data are from two studies conducted in the United States that used similar methods and questionnaires in order to conduct a comparative analysis of women based on sexual orientation...
March 1, 2017: Nicotine & Tobacco Research: Official Journal of the Society for Research on Nicotine and Tobacco
https://www.readbyqxmd.com/read/28339770/characterization-of-indigenous-aseel-chicken-breed-for-morphological-growth-production-and-meat-composition-traits-from-india
#8
U Rajkumar, S Haunshi, C Paswan, M V L N Raju, S V Rama Rao, R N Chatterjee
Aseel is an important native chicken breed of India, known for its martial qualities (aggressive fighting abilities), pugnacity, and majestic gait. The aim of the study is to conserve and characterize the Aseel germplasm, which is considered to be endangered. The birds were maintained on deep litter under a simulated backyard type of housing having night shelter and a free-range area. A total of 313 chicks produced in the second generation from the flock collected from native tract in Andhra Pradesh was characterized for morphological, growth, production, and meat quality parameters...
February 23, 2017: Poultry Science
https://www.readbyqxmd.com/read/28339706/differential-proliferation-and-metabolic-activity-of-sertoli-cells-in-the-testes-of-broiler-and-layer-breeder-chickens
#9
Mélanie Faure, Edith Guibert, Sabine Crochet, Pascal Chartrin, Jean-Pierre Brillard, Anne Collin, Pascal Froment
Decades of genetic selection have generated 2 different, highly specialized types of chickens in which 1 type, known as the layer-type chicken, expresses high laying performance while the other type, known as the broiler-type chicken, is dedicated to the production of fast-growing birds. Selected lines for the latter type often express disorders in their reproductive performance including early sexual maturation and accelerated, non-reversible seasonal decline of their semen production and mating behavior. The aim of the present study was to characterize some metabolic markers of the Sertoli cell populations...
February 21, 2017: Poultry Science
https://www.readbyqxmd.com/read/28339605/uniparental-chicken-offsprings-derived-from-oogenesis-of-chicken-primordial-germ-cells-zz-%C3%A2
#10
Chunhai Liu, Il-Kuk Chang, Kamal A Khazanehdari, Shruti Thomas, Preetha Varghese, Vijaya Baskar, Razan Alkhatib, Wenhai Li, Jörg Kinne, Michael J McGrew, Ulrich Wernery
Cloning (somatic cell nuclear transfer) in avian species has proven unachievable due to the physical structure of the avian oocyte. Here, the sexual differentiation of primordial germ cells with genetic sex ZZ (ZZ PGCs) was investigated in female germline chimeric chicken hosts with the aim to produce uniparental offspring. ZZ PGCs were expanded in culture and transplanted into the same and opposite sex chicken embryos which were partially sterilized using irradiation. All tested chimeric roosters (ZZ/ZZ) showed germline transmission with transmission rates of 3...
February 2, 2017: Biology of Reproduction
https://www.readbyqxmd.com/read/28339497/women-s-knowledge-and-perception-of-male-circumcision-before-and-after-its-roll-out-in-the-south-african-township-of-orange-farm-from-community-based-cross-sectional-surveys
#11
Barbara Maraux, Pascale Lissouba, Reathe Rain-Taljaard, Dirk Taljaard, Julie Bouscaillou, David Lewis, Adrian Puren, Bertran Auvert
The roll-out of medical male circumcision (MC) is progressing in Southern and Eastern Africa. Little is known about the effect of this roll-out on women. The objective of this study was to assess the knowledge and perceptions of women regarding MC in a setting before and after the roll-out. This study was conducted in the South African township of Orange Farm where MC prevalence among men increased from 17% to 53% in the period 2008-2010. Data from three community-based cross sectional surveys conducted in 2007, 2010 and 2012 among 1258, 1197 and 2583 adult women, respectively were studied...
2017: PloS One
https://www.readbyqxmd.com/read/28339298/evaluations-and-future-plans-after-casual-sexual-experiences-differences-across-partner-type
#12
Rose Wesche, Shannon E Claxton, Eva S Lefkowitz, Manfred H M van Dulmen
Casual sexual relationships and experiences (CSREs) are common among emerging adults, and their diversity may contribute to variability in their associations with mental health and future romantic relationship development. The present research used multiple regression analyses to examine how CSRE type (casual dating, friends with benefits [FWB], or booty call/one-night stand) is associated with short-term outcomes of these experiences, including positive and negative evaluations, plans to start a romantic relationship with a CSRE partner, and general plans for future CSREs...
March 24, 2017: Journal of Sex Research
https://www.readbyqxmd.com/read/28339293/the-context-of-sexual-decisions-and-intrapersonal-and-interpersonal-factors-related-to-sexual-initiation-among-female-military-dependent-youth
#13
Belinda F Hernandez, Melissa F Peskin, Christine M Markham, Jean Burr, Timothy Roberts, Susan Tortolero Emery
Despite the sizable population of military-dependent youth (MDY) in the United States and the military stressors they experience (e.g., relocations, parental deployment), little is known about MDY's sexual behavior, especially about the perceived role that military stressors play in their sexual decisions, such as the decision to initiate sex. We conducted 25 semistructured, in-depth interviews with sexually experienced female MDY aged 15 to 19 years to (a) describe MDY's general perceptions of military life and (b) identify intrapersonal and interpersonal characteristics related to MDY's sexual initiation, including the perceived impact of military stressors...
March 24, 2017: Journal of Sex Research
https://www.readbyqxmd.com/read/28334962/exposure-to-fictional-medical-television-and-health-a-systematic-review
#14
Beth L Hoffman, Ariel Shensa, Charles Wessel, Robert Hoffman, Brian A Primack
Fictional medical television programs have long been a staple of television programming, and they remain popular today. We aimed to examine published literature assessing the influence of medical television programs on health outcomes. We conducted systematic literature searches in PubMed, PsychINFO and CINAHL. Selected studies had to be scholarly research, to involve exposure to fictionalized medical television programming, and to assess associations between exposures and outcomes. Of 3541 unique studies identified, nineteen met selection criteria...
March 14, 2017: Health Education Research
https://www.readbyqxmd.com/read/28334875/white-matter-changes-in-paediatric-multiple-sclerosis-and-monophasic-demyelinating-disorders
#15
Giulia Longoni, Robert A Brown, Parya MomayyezSiahkal, Colm Elliott, Sridar Narayanan, Amit Bar-Or, Ruth Ann Marrie, E Ann Yeh, Massimo Filippi, Brenda Banwell, Douglas L Arnold
Most children who experience an acquired demyelinating syndrome of the central nervous system will have a monophasic disease course, with no further clinical or radiological symptoms. A subset will be diagnosed with multiple sclerosis, a life-long disorder. Using linear mixed effects models we examined longitudinal diffusion properties of normal-appearing white matter in 505 serial scans of 132 paediatric participants with acquired demyelinating syndromes followed for a median of 4.4 years, many from first clinical presentation, and 106 scans of 80 healthy paediatric participants...
March 14, 2017: Brain: a Journal of Neurology
https://www.readbyqxmd.com/read/28334739/hiv-treatment-as-prevention-implications-for-health-promotion
#16
Sean Slavin
Evidence has been accumulating in recent years that individuals with HIV who are effectively treated with antiretroviral drugs are highly unlikely to transmit the virus to their sexual partners. This approach has great potential to contribute to ongoing prevention efforts and has been termed 'treatment as prevention'. International political momentum has been building in recent years to attempt to significantly reduce new HIV infections globally and end the epidemic by 2030. In pursuit of such aims a number of local health authorities and communities have adopted intensified 'test and treat' strategies to quickly diagnose infections and reduce the risk of onward transmission through an immediate offer of treatment...
October 8, 2016: Health Promotion International
https://www.readbyqxmd.com/read/28334508/dietary-fatty-acids-influence-sperm-quality-and-function
#17
A Ferramosca, N Moscatelli, M Di Giacomo, V Zara
Recently, obesity has been linked to male infertility. In animal models the administration of a high-fat diet caused a reduction in sperm quality, by impairing gamete energy metabolism. The aim of this study was to investigate a possible effect of dietary fatty acids supplementation in the modulation of sperm energy metabolism and, in turn, in the improvement of sperm quality in rats fed a high-fat diet. Sexually mature male Sprague-Dawley rats were divided into four groups and fed for 4 weeks a standard diet (control group), a high-fat diet (enriched in 35% of fat and 15% sucrose), a high-fat diet supplemented with 2...
March 23, 2017: Andrology
https://www.readbyqxmd.com/read/28334217/testosterone-effects-on-the-brain-in-transgender-men
#18
Sarah M Burke, Amir H Manzouri, Cecilia Dhejne, Karin Bergström, Stefan Arver, Jamie D Feusner, Ivanka Savic-Berglund
Transgender individuals experience incongruence between their gender identity and birth-assigned sex. The resulting gender dysphoria (GD), which some gender-incongruent individuals experience, is theorized to be a consequence of atypical cerebral sexual differentiation, but support for this assertion is inconsistent. We recently found that GD is associated with disconnected networks involved in self-referential thinking and own body perception. Here, we investigate how these networks in trans men (assigned female at birth with male gender identity) are affected by testosterone...
March 10, 2017: Cerebral Cortex
https://www.readbyqxmd.com/read/28334100/an-organismal-concept-for-sengelia-radicans-gen-et-sp-nov-morphology-and-natural-history-of-an-early-devonian-lycophyte
#19
Kelly K S Matsunaga, Alexandru M F Tomescu
Background and Aims: Fossil plants are found as fragmentary remains and understanding them as natural species requires assembly of whole-organism concepts that integrate different plant parts. Such concepts are essential for incorporating fossils in hypotheses of plant evolution and phylogeny. Plants of the Early Devonian are crucial to reconstructing the initial radiation of tracheophytes, yet few are understood as whole organisms. Methods: This study assembles a whole-plant concept for the Early Devonian lycophyte Sengelia radicans gen...
February 20, 2017: Annals of Botany
https://www.readbyqxmd.com/read/28333973/reported-reasons-for-breakdown-of-marriage-and-cohabitation-in-britain-findings-from-the-third-national-survey-of-sexual-attitudes-and-lifestyles-natsal-3
#20
Kirsten Gravningen, Kirstin R Mitchell, Kaye Wellings, Anne M Johnson, Rebecca Geary, Kyle G Jones, Soazig Clifton, Bob Erens, Michelle Lu, Chenchit Chayachinda, Nigel Field, Pam Sonnenberg, Catherine H Mercer
OBJECTIVES: Breakdown of marriage and cohabitation is common in Western countries and is costly for individuals and society. Most research on reasons for breakdown has focused on marriages ending in divorce and/or have used data unrepresentative of the population. We present prevalence estimates of, and differences in, reported reasons for recent breakdown of marriages and cohabitations in Britain. METHODS: Descriptive analyses of data from Britain's third National Survey of Sexual Attitudes and Lifestyles (Natsal-3), a probability sample survey (15,162 people aged 16-74 years) undertaken 2010-2012, using computer-assisted personal interviewing...
2017: PloS One
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