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https://www.readbyqxmd.com/read/28528233/sex-versus-parthenogenesis-immune-function-in-a-facultatively-parthenogenetic-phasmatid-extatosoma-tiaratum
#1
Yasaman Alavi, Mark Adrian Elgar, Therésa Melanie Jones
Facultative parthenogenetic species, in which females can alternate between sex and parthenogenesis, are useful models to investigate the costs and benefits of sex and parthenogenesis, an ongoing issue in biology. The necessary empirical studies comparing the outcomes of alternative reproductive modes on life history traits are rare and focus mainly on traits directly associated with reproductive fitness. Immune function determines the ability of individuals to defend themselves against injury and disease and is therefore likely to have a significant impact on fitness...
May 17, 2017: Journal of Insect Physiology
https://www.readbyqxmd.com/read/28528230/effect-of-childhood-trauma-on-cognitive-functions-in-a-sample-of-chinese-patients-with-schizophrenia
#2
Xian-Bin Li, Qi-Jing Bo, Guang-Ping Zhang, Wei Zheng, Zhi-Min Wang, An-Ning Li, Qing Tian, Jin-Tong Liu, Yi-Lang Tang, Chuan-Yue Wang
In this study, we aimed to determine the influence of various types of childhood trauma (CT) on cognitive functions in Chinese patients presented with schizophrenia. One hundred sixty-two patients were assessed with the Childhood Trauma Questionnaire-Short Form (CTQ-SF) and Repeatable Battery for the Assessment of Neuropsychological Status (RBANS). We investigated the correlations between various types of CT, demographic characteristics, and cognitive functions. Significant negative correlations were observed in physical abuse (PA) and sexual abuse (SA) with the language score (r=-0...
May 5, 2017: Comprehensive Psychiatry
https://www.readbyqxmd.com/read/28527672/quality-of-life-among-long-term-survivors-of-advanced-stage-ovarian-cancer-a-cross-sectional-approach
#3
Susan K Lutgendorf, Eileen Shinn, Jeanne Carter, Susan Leighton, Keith Baggerly, Michele Guindani, Bryan Fellman, Marianne Matzo, George M Slavich, Marc T Goodman, William Tew, Jenny Lester, Kathleen M Moore, Beth Y Karlan, Douglas A Levine, Anil K Sood
PURPOSE: Long-term survival of women with advanced-stage ovarian cancer is relatively rare. Little is known about quality of life (QOL) and survivorship concerns of these women. Here, we describe QOL of women with advanced-stage ovarian cancer surviving for 8.5 years or longer and compare women with 0-1 recurrence to those with multiple recurrences. METHODS: Participants (n=56) recruited from 5 academic medical centers and the Ovarian Cancer Research Fund Alliance completed surveys regarding QOL (FACT-O), mood (CESD), social support (SPS), physical activity (IPAQ-SF), diet, and clinical characteristics...
May 17, 2017: Gynecologic Oncology
https://www.readbyqxmd.com/read/28526728/genetic-subtraction-profiling-identifies-candidate-mirnas-involved-in-rice-female-gametophyte-abortion
#4
Liyu Yang, Ya Wu, Wenliang Wang, Bigang Mao, Bingran Zhao, Jianbo Wang
Female gametophyte is an important participant in sexual reproduction of plants. The molecular mechanism of its development has received much attention in recent years. As important regulators of gene expression, miRNAs have been certified to play a significant role in many biological processes of plants including sexual reproduction. In this study, to investigate the potential regulatory effects of miRNAs on rice female gametophytes abortion, we used the high-throughput sequencing method to compare the miRNA transcriptome in ovules of a high frequency female-sterile line (fsv1) and a rice wild-type line (Gui 99) during ovule development...
May 19, 2017: G3: Genes—Genomes—Genetics
https://www.readbyqxmd.com/read/28526631/mating-strategies-and-sexual-functioning-in-personality-disorders-a%C3%A2-comprehensive-review-of-literature
#5
REVIEW
Alberto Collazzoni, Giacomo Ciocca, Erika Limoncin, Carmela Marucci, Daniele Mollaioli, Stefania Di Sante, Giorgio Di Lorenzo, Cinzia Niolu, Alberto Siracusano, Mario Maggi, Giovanni Castellini, Alessandro Rossi, Emmanuele A Jannini
INTRODUCTION: Personality disorders impair several aspects of intrapsychic and interpersonal life. In particular, mating strategies and sexual functioning could manifest in different and/or dysfunctional ways in people with personality disorders. AIM: To describe, through a comprehensive review of the literature, the mating strategies and sexual functioning in patients with personality disorders. METHODS: We listed and discussed the principal studies on the relation between mating strategies and sexual functioning in personality disorders...
May 16, 2017: Sexual Medicine Reviews
https://www.readbyqxmd.com/read/28526030/prenatal-bisphenol-a-exposure-and-dysregulation-of-infant-hypothalamic-pituitary-adrenal-axis-function-findings-from-the-apron-cohort-study
#6
Gerald F Giesbrecht, Maede Ejaredar, Jiaying Liu, Jenna Thomas, Nicole Letourneau, Tavis Campbell, Jonathan W Martin, Deborah Dewey
BACKGROUND: Animal models show that prenatal bisphenol A (BPA) exposure leads to sexually dimorphic disruption of the neuroendocrine system in offspring, including the hypothalamic-pituitary-adrenal (HPA) neuroendocrine system, but human data are lacking. In humans, prenatal BPA exposure is associated with sex-specific behavioural problems in children, and HPA axis dysregulation may be a biological mechanism. The objective of the current study was to examine sex differences in associations between prenatal maternal urinary BPA concentration and HPA axis function in 3 month old infants...
May 19, 2017: Environmental Health: a Global Access Science Source
https://www.readbyqxmd.com/read/28523401/functional-and-quality-of-life-outcomes-following-obstetric-anal-sphincter-injury-oasi-does-the-grade-of-injury-affect-outcomes
#7
Lisa Ramage, Clarence Yen, Shengyang Qiu, Constantinos Simillis, Christos Kontovounisios, Paris Tekkis, Emile Tan
INTRODUCTION AND HYPOTHESIS: The aim of this study was to compare functional and quality of life data in patients with increasing grades of obstetric anal sphincter injury (OASI) presenting to a tertiary colorectal pelvic floor clinic within 24 months of delivery. METHODS: Prospective data were collected from the patients for the period 2009-2016 and included data on functional outcomes and motor anorectal manometry parameters. The instruments used for the evaluation of functional outcomes were the Birmingham Bowel and Urinary Symptoms Questionnaire, the Wexner Incontinence Score, Short Form 36, and the Pelvic Organ Prolapse/Urinary Incontinence Sexual Questionnaire...
May 18, 2017: International Urogynecology Journal
https://www.readbyqxmd.com/read/28523265/prevalence-and-associated-factors-of-erectile-dysfunction-among-married-men-in-vietnam
#8
Thang Van Vo, Hue Dinh Hoang, Nhan Phuc Thanh Nguyen
BACKGROUND: Sexuality is an essential part of life; however, erectile dysfunction (ED) has been one of the most common complaints among men with sexual health issues all over the world. ED includes dysfunction in erection and penile erectile pain. In Vietnam, ED is a subject a not readily discussed. Thus, relatively little is known about ED among Vietnamese men. AIMS: To identify the prevalence of ED and its associated variables and the need for treatment of ED among married men in Vietnam...
2017: Frontiers in Public Health
https://www.readbyqxmd.com/read/28523122/sex-differences-in-rat-placental-development-from-pre-implantation-to-late-gestation
#9
J I Kalisch-Smith, D G Simmons, M Pantaleon, K M Moritz
BACKGROUND: A male fetus is suggested to be more susceptible to in utero and birth complications. This may be due in part to altered morphology or function of the XY placenta. We hypothesised that sexual dimorphism begins at the blastocyst stage with sex differences in the progenitor trophectoderm (TE) and its derived trophoblast lineages, as these cells populate the majority of cell types within the placenta. We investigated sex-specific differences in cell allocation in the pre-implantation embryo and further characterised growth and gene expression of the placental compartments from the early stages of the definitive placenta through to late gestation...
2017: Biology of Sex Differences
https://www.readbyqxmd.com/read/28521252/trauma-type-as-a-conditional-risk-factor-for-posttraumatic-stress-disorder-in-a-referred-clinic-sample-of-adolescents
#10
Jani Nöthling, Candice Simmons, Sharain Suliman, Soraya Seedat
INTRODUCTION: Traumatic experiences that are varied in type and severity may lead to the development of Posttraumatic Stress Disorder (PTSD). Some trauma types present a higher conditional risk for PTSD owing to their nature and impact on growth and functioning. Few studies have investigated the conditional risk of PTSD in clinic referred adolescents in low- and middle-income countries. The aim of the study was to determine the conditional risk for PTSD based on various trauma types (car accidents, other serious accidents, fires, witnessing a natural disaster, witnessing a violent crime, being confronted with traumatic news, witnessing domestic violence, physical abuse and sexual abuse) and to stratify risk by gender...
May 5, 2017: Comprehensive Psychiatry
https://www.readbyqxmd.com/read/28520588/evaluation-of-the-quality-of-semen-and-sexual-function-in-men-with-inflammatory-bowel-disease
#11
Paz Valer, Alicia Algaba, Daniel Santos, Manuel E Fuentes, Elva Nieto, Javier P Gisbert, Pilar López, Elvira Quintanilla, Francisco J García-Alonso, Iván Guerra, Álvaro Páez, Fernando Bermejo
BACKGROUND: Data on fertility rates and medication safety in men with inflammatory bowel disease (IBD) are limited. The aim of this study was to evaluate whether there is a seminal alteration in patients with IBD and, if so, to evaluate the mechanisms that may play a role according to what has been described in the literature. Its secondary aim was to evaluate the impact on male sexual function of IBD. METHODS: Multicenter, cross-sectional, case series study comparing men with IBD and control subjects...
May 16, 2017: Inflammatory Bowel Diseases
https://www.readbyqxmd.com/read/28515200/impact-of-expedited-partner-therapy-ept-implementation-on-chlamydia-incidence-in-the-usa
#12
Okeoma Mmeje, Sarah Wallett, Giselle Kolenic, Jason Bell
OBJECTIVES: The diagnosis and treatment of Chlamydia trachomatis infection is important in preventing persistent or recurrent infection. Expedited partner therapy (EPT) is the favoured and supported method for STI treatment of the Centers for Disease Control and Prevention when the provider cannot be assured that all recent sexual partner(s) will seek therapy. EPT is legally permissible in 38 states and is endorsed by healthcare organisations to decrease the rates of chlamydia and gonorrhoea infection...
May 17, 2017: Sexually Transmitted Infections
https://www.readbyqxmd.com/read/28514374/-the-role-of-the-vomeronasal-system-in-the-formation-of-the-human-sexual-behaviour
#13
S V Morozova, D M Savvateeva, V M Svistushkin, L A Toporkova
This review deals with the structure and function of the vomeronasal system and evaluation of its influence on the sexual sphere of humans and animals. Special attention is given to the role of pheromones in the regulation of the sexual behaviour. The data concerning the function of the vomeronasal organ following surgical interventions in the nasal cavity are discussed.
2017: Vestnik Otorinolaringologii
https://www.readbyqxmd.com/read/28513586/hundreds-of-dual-stage-antimalarial-molecules-discovered-by-a-functional-gametocyte-screen
#14
Celia Miguel-Blanco, Irene Molina, Ana I Bardera, Beatriz Díaz, Laura de Las Heras, Sonia Lozano, Carolina González, Janneth Rodrigues, Michael J Delves, Andrea Ruecker, Gonzalo Colmenarejo, Sara Viera, María S Martínez-Martínez, Esther Fernández, Jake Baum, Robert E Sinden, Esperanza Herreros
Plasmodium falciparum stage V gametocytes are responsible for parasite transmission, and drugs targeting this stage are needed to support malaria elimination. We here screen the Tres Cantos Antimalarial Set (TCAMS) using the previously developed P. falciparum female gametocyte activation assay (Pf FGAA), which assesses stage V female gametocyte viability and functionality using Pfs25 expression. We identify over 400 compounds with activities <2 μM, chemically classified into 57 clusters and 33 singletons...
May 17, 2017: Nature Communications
https://www.readbyqxmd.com/read/28511822/posttraumatic-stress-disorder-ptsd-and-the-dermatology-patient
#15
Madhulika A Gupta, Patricia Jarosz, Aditya K Gupta
Dermatologic symptoms can be associated with posttraumatic stress disorder (PTSD) in several situations: (1) as features of some core PTSD symptoms, such as intrusion symptoms manifesting as cutaneous sensory flashbacks, as autonomic arousal manifesting as night sweats and idiopathic urticaria, and as dissociation manifesting as numbness and dermatitis artefacta; (2) the cutaneous psychosomatic effects of emotional and physical neglect and sexual abuse (eg, infantile eczema, cutaneous self-injury, and body-focused repetitive behaviors such as trichotillomania and skin picking disorder) and eating disorders, which can have dermatologic effects; (3) the direct effect of physical or sexual abuse or catastrophic life events (eg, earthquakes) on the skin; and (4) as a result of significant alterations in hypothalamic-pituitary-adrenal and sympatho-adrenal medullary axes, which can affect neuroendocrine and immune functions, and can lead to exacerbations of stress-reactive inflammatory dermatoses such as psoriasis, chronic urticaria, and atopic dermatitis...
May 2017: Clinics in Dermatology
https://www.readbyqxmd.com/read/28511726/executive-functioning-in-pedophilia-and-child-sexual-offending
#16
Claudia Massau, Gilian Tenbergen, Christian Kärgel, Simone Weiß, Hannah Gerwinn, Alexander Pohl, Till Amelung, Sebastian Mohnke, Jonas Kneer, Matthias Wittfoth, Inka Ristow, Kolja Schiltz, Klaus M Beier, Jorge Ponseti, Martin Walter, Tillmann H C Kruger, Henrik Walter, Boris Schiffer
OBJECTIVES: Pedophilia (P) is a psychiatric disease associated with sexual attraction toward children and often accompanied by child sexual offending (CSO). Consequently, it is important to address the understanding of executive dysfunctions that may increase the probability of CSO. Moreover, this research field has been lacking to disentangle executive deficits associated with pedophilia (as a deviant sexual preference) from those associated with CSO (as a deviant sexual behavior). METHODS: The German multi-sided research network NeMUP offers the opportunity to overcome these limitations...
May 17, 2017: Journal of the International Neuropsychological Society: JINS
https://www.readbyqxmd.com/read/28510588/evolutionary-restoration-of-fertility-in-an-interspecies-hybrid-yeast-by-whole-genome-duplication-after-a-failed-mating-type-switch
#17
Raúl A Ortiz-Merino, Nurzhan Kuanyshev, Stephanie Braun-Galleani, Kevin P Byrne, Danilo Porro, Paola Branduardi, Kenneth H Wolfe
Many interspecies hybrids have been discovered in yeasts, but most of these hybrids are asexual and can replicate only mitotically. Whole-genome duplication has been proposed as a mechanism by which interspecies hybrids can regain fertility, restoring their ability to perform meiosis and sporulate. Here, we show that this process occurred naturally during the evolution of Zygosaccharomyces parabailii, an interspecies hybrid that was formed by mating between 2 parents that differed by 7% in genome sequence and by many interchromosomal rearrangements...
May 2017: PLoS Biology
https://www.readbyqxmd.com/read/28510528/identification-of-octopaminergic-neurons-that-modulate-sleep-suppression-by-male-sex-drive
#18
Daniel R Machado, Dinis Js Afonso, Alexandra R Kenny, Arzu Öztu Rk-Çolak, Emilia H Moscato, Benjamin Mainwaring, Matthew Kayser, Kyunghee Koh
Molecular and circuit mechanisms for balancing competing drives are not well understood. While circadian and homeostatic mechanisms generally ensure sufficient sleep at night, other pressing needs can overcome sleep drive. Here, we demonstrate that the balance between sleep and sex drives determines whether male flies sleep or court, and identify a subset of octopaminergic neurons (MS1) that regulate sleep specifically in males. When MS1 neurons are activated, isolated males sleep less, and when MS1 neurons are silenced, the normal male sleep suppression in female presence is attenuated and mating behavior is impaired...
May 16, 2017: ELife
https://www.readbyqxmd.com/read/28509699/penis-transplantation-first-us-experience
#19
Curtis L Cetrulo, Kai Li, Harry M Salinas, Matthew D Treiser, Ilse Schol, Glen W Barrisford, Francis J McGovern, Adam S Feldman, Michael T Grant, Cigdem Tanrikut, Jeffrey H Lee, Richard J Ehrlichman, Paul W Holzer, Garry M Choy, Raymond W Liu, Zhi Yang Ng, Alexandre G Lellouch, Josef M Kurtz, William G Austen, Jonathan M Winograd, Branko Bojovic, Kyle R Eberlin, Ivy A Rosales, Robert B Colvin, Dicken S C Ko
OBJECTIVE: We describe the first successful penis transplant in the United States in a patient with a history of subtotal penectomy for penile cancer. BACKGROUND: Penis transplantation represents a new paradigm in restoring anatomic appearance, urine conduit, and sexual function after genitourinary tissue loss. To date, only 2 penis transplants have been performed worldwide. METHODS: After institutional review board approval, extensive medical, surgical, and radiological evaluations of the patient were performed...
May 15, 2017: Annals of Surgery
https://www.readbyqxmd.com/read/28509627/impact-of-risk-reducing-salpingo-oophorectomy-in-premenopausal-women
#20
R F M Vermeulen, M van Beurden, C M Korse, G G Kenter
OBJECTIVES: To describe implications of premenopausal risk-reducing salpingo-oophorectomy (RRSO) on quality of life, endocrine symptoms, sexual function, osteoporosis, cardiovascular health, metabolic syndrome, cognitive impairment and safety of hormone replacement therapy. METHODS: We searched the following electronic databases: The Cochrane Library, EMBASE, PsycInfo, and MEDLINE. We selected controlled and uncontrolled trials of premenopausal women undergoing RRSO...
June 2017: Climacteric: the Journal of the International Menopause Society
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