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https://www.readbyqxmd.com/read/28634152/ensuring-inclusion-of-adolescent-key-populations-at-higher-risk-of-hiv-exposure-recommendations-for-conducting-biological-behavioral-surveillance-surveys
#1
Lisa Grazina Johnston, Justine Sass, Jeffry Acaba, Wing-Sie Cheng, Shirley Mark Prabhu
Ending acquired immune deficiency syndrome (AIDS) depends on greater efforts to reduce new human immunodeficiency virus (HIV) infections and prevent AIDS-related deaths among key populations at highest HIV risk, including males who have sex with males, sex workers, and people who inject drugs. Although adolescent key populations (AKP) are disproportionately affected by HIV, they have been largely ignored in HIV biological behavioral surveillance survey (BBSS) activities to date. This paper reviews current ethical and sampling challenges and provides suggestions to ensure AKP are included in surveillance activities, with the aim being to enhance evidence-informed, strategic, and targeted funding allocations and programs toward ending AIDS among AKP...
June 20, 2017: JMIR Public Health and Surveillance
https://www.readbyqxmd.com/read/28633446/genetic-indicators-of-drug-resistance-in-the-highly-repetitive-genome-of-trichomonas-vaginalis
#2
Martina Bradic, Sally D Warring, Grace E Tooley, Paul Scheid, William E Secor, Kirkwood M Land, Po-Jung Huang, Ting-Wen Chen, Chi-Ching Lee, Petrus Tang, Steven A Sullivan, Jane M Carlton
Trichomonas vaginalis, the most common non-viral sexually transmitted parasite, causes ∼283 million trichomoniasis infections annually and is associated with pregnancy complications and increased risk of HIV-1 acquisition. The antimicrobial drug metronidazole is used for treatment, but in a fraction of clinical cases, the parasites can become resistant to this drug. We undertook sequencing of multiple clinical isolates and lab derived lines to identify genetic markers and mechanisms of metronidazole resistance...
June 19, 2017: Genome Biology and Evolution
https://www.readbyqxmd.com/read/28632824/-adolescents-find-it-easy-to-collect-their-own-samples-to-study-sexually-transmitted-infections
#3
Andrea Huneeus, Mario I Fernández, Andrea Schilling, Paulina Parra, Aleksandra Zakharova
BACKGROUND: As alternative for patients that fear genital examination, we assessed adolescent's comfort and ease with self-collected samples for nucleic acid amplification testing for sexually transmitted infections. PATIENTS AND METHODS: Sexually active Chilean adolescents and youth under 25 years (174 males and 117 females) were enrolled. Females used self-collected vaginal swabs and males collected first-stream urine. A satisfaction survey evaluating self-sampling system was applied...
April 2017: Revista Chilena de Infectología: órgano Oficial de la Sociedad Chilena de Infectología
https://www.readbyqxmd.com/read/28632793/the-prevalence-and-correlates-of-low-sexual-functioning-in-women-on-hemodialysis-a-multinational-cross-sectional-study
#4
Valeria Saglimbene, Patrizia Natale, Suetonia Palmer, Marco Scardapane, Jonathan C Craig, Marinella Ruospo, Letizia Gargano, Giuseppe Lucisano, Marietta Török, Eduardo Celia, Rubén Gelfman, Anna Bednarek-Skublewska, Jan Dulawa, Paul Stroumza, Miguel Leal, Domingo Del Castillo, Angelo Marco Murgo, Staffan Schon, Charlotta Wollheim, Jörgen Hegbrant, Giovanni F M Strippoli
Sexual dysfunction may affect 80% of women in hemodialysis. However the specific patterns and clinical correlates of sexual functioning remain poorly described. The aim of this study was to assess prevalence and correlates of the individual domains of sexual functioning in women treated with hemodialysis. We recruited, into this multinational cross-sectional study, women treated with long-term hemodialysis (Collaborative Working Group on Depression and Sexual dysfunction in Hemodialysis study). Self-reported domains of sexual functioning were assessed by the Female Sexual Function Index, which is routinely administered within the network of dialysis patients followed by the working group...
2017: PloS One
https://www.readbyqxmd.com/read/28632494/long-term-dutasteride-therapy-in-men-with-benign-prostatic-hyperplasia-alters-glucose-and-lipid-profiles-and-increases-severity-of-erectile-dysfunction
#5
Abdulmaged Traish, Karim Sultan Haider, Gheorghe Doros, Ahmad Haider
Background Dutasteride has been successfully used in treatment of lower urinary tract symptoms (LUTS) secondary to benign prostatic hyperplasia (BPH). However, dutasteride inhibits 5α-reductase type 1 and type 2 enzymes and may compromises glucocorticoids and androgen metabolism and alters metabolic function resulting in undesirable metabolic and sexual adverse side effects. Aim The aim of this study was to investigate the long-term adverse effects of dutasteride therapy in men with BPH on: i) blood glucose, ii) glycated hemoglobin (HbA1c), iii) low density lipoprotein-cholesterol (LDL-C); high density lipoprotein-cholesterol (HDL-C) and total cholesterol (TC), iv) testosterone (T), v) liver alanine and aspartate aminotransferases (ALT and AST) and vi) erectile dysfunction (ED)...
June 21, 2017: Hormone Molecular Biology and Clinical Investigation
https://www.readbyqxmd.com/read/28632461/consuming-ecstasy-representations-of-male-and-female-orgasm-in-mainstream-pornography
#6
Léa J Séguin, Carl Rodrigue, Julie Lavigne
Social representations, which appear in a variety of media, can influence the way sexual experiences are perceived and understood. While pornography is not the only medium in which orgasm is portrayed, it is the most explicit, and it is widespread and easily accessible. As such, pornography is an ideal medium for examining representations of male and female orgasm. PornHub's 50 most viewed videos of all time were viewed and coded for the frequency of male and female orgasm, orgasm-inducing sex acts (and whether activity inducing female orgasms included some form of clitoral stimulation), and auditory (verbal, vocal) and visual (bodily) indicators of orgasm...
June 20, 2017: Journal of Sex Research
https://www.readbyqxmd.com/read/28632112/the-2016-european-guideline-on-the-management-of-epididymo-orchitis
#7
Emma J Street, Edwin D Justice, Zsolt Kopa, Mags D Portman, Jonathan D Ross, Mihael Skerlev, Janet D Wilson, Rajul Patel
Epididymo-orchitis is a commonly encountered condition with a reported incidence of 2.45 cases per 1000 men in the United Kingdom. This 2016 International Union against Sexually Transmitted Infections guideline provides up-to-date advice on the management of this condition. It describes the aetiology, clinical features and potential complications, as well as presenting diagnostic considerations and clear recommendations for management and follow-up. Early diagnosis and management are essential, as serious complications can include abscess formation, testicular infarction and infertility...
July 2017: International Journal of STD & AIDS
https://www.readbyqxmd.com/read/28632092/unscripted-exploring-representations-of-older-unpartnered-women-s-sexuality
#8
Beth Montemurro, Lisa Chewning
Images of sexually active women beyond the age of 50 are lacking in popular culture and in particular on television. Dominant sexual scripts depict older women as generally asexual. The television program Hot in Cleveland features unpartnered midlife and older women as main characters. In this article, based on analysis of four seasons of Hot in Cleveland, we look closely at portrayals of sexual activity to see whether they underscore dominant sexual scripts mocking older women's sexual interest, position aging as sexual decline, or reinforce the narrative of "successful" aging/aging as progress...
March 3, 2017: Journal of Women & Aging
https://www.readbyqxmd.com/read/28631407/zygote-arrest-3-that-encodes-the-trna-ligase-is-essential-for-zygote-division-in-arabidopsis
#9
Ke-Jin Yang, Lei Guo, Xiu-Li Hou, Hua-Qin Gong, Chun-Ming Liu
In sexual organisms, division of the zygote initiates a new life cycle. Although several genes involved in zygote division are known in plants, how the zygote is activated to start embryogenesis remains elusive. Here, we showed that a mutation in ZYGOTE-ARREST 3 (ZYG3) in Arabidopsis led to a tight zygote-lethal phenotype. Map-based cloning revealed that ZYG3 encodes the tRNA ligase AtRNL, which is a single-copy gene in the Arabidopsis genome. Expression analyses showed that AtRNL is expressed throughout zygotic embryogenesis, and in meristematic tissues...
June 20, 2017: Journal of Integrative Plant Biology
https://www.readbyqxmd.com/read/28630896/the-gh-receptor-exon-3-deletion-is-a-marker-of-male-specific-exceptional-longevity-associated-with-increased-gh-sensitivity-and-taller-stature
#10
Danny Ben-Avraham, Diddahally R Govindaraju, Temuri Budagov, Delphine Fradin, Peter Durda, Bing Liu, Sandy Ott, Danielle Gutman, Lital Sharvit, Robert Kaplan, Pierre Bougnères, Alex Reiner, Alan R Shuldiner, Pinchas Cohen, Nir Barzilai, Gil Atzmon
Although both growth hormone (GH) and insulin-like growth factor 1 (IGF-1) signaling were shown to regulate life span in lower organisms, the role of GH signaling in human longevity remains unclear. Because a GH receptor exon 3 deletion (d3-GHR) appears to modulate GH sensitivity in humans, we hypothesized that this polymorphism could play a role in human longevity. We report a linear increased prevalence of d3-GHR homozygosity with age in four independent cohorts of long-lived individuals: 841 participants [567 of the Longevity Genes Project (LGP) (8% increase; P = 0...
June 2017: Science Advances
https://www.readbyqxmd.com/read/28630662/sex-differences-in-endogenous-cortical-network-activity-spontaneously-recurring-up-down-states
#11
Charalambos Sigalas, Eleni Konsolaki, Irini Skaliora
BACKGROUND: Several molecular and cellular processes in the vertebrate brain exhibit differences between males and females, leading to sexual dimorphism in the formation of neural circuits and brain organization. While studies on large-scale brain networks provide ample evidence for both structural and functional sex differences, smaller-scale local networks have remained largely unexplored. In the current study, we investigate sexual dimorphism in cortical dynamics by means of spontaneous Up/Down states, a type of network activity that is exhibited during slow-wave sleep, quiet wakefulness, and anesthesia and is thought to represent the default activity of the cortex...
2017: Biology of Sex Differences
https://www.readbyqxmd.com/read/28630099/kndy-neurone-activation-prior-to-the-lh-surge-of-the-ewe-is-disrupted-by-lps
#12
Chrysanthi Fergani, Jean Routly, David Jones, Lucy Pickavance, Robert Frank Smith, Hilary Dobson
In the ewe, steroid hormones act on the hypothalamic arcuate nucleus (ARC) to initiate the GnRH/LH surge. Within the ARC, steroid signal transduction may be mediated by dopamine, β-endorphin or neuropeptide Y (NPY) expressing cells, as well as those co-localising kisspeptin, neurokinin B (NKB), and dynorphin (termed KNDy). We investigated the time during the follicular phase when these cells become activated (i.e., co-localise c-Fos) relative to the timing of the LH surge onset and may, therefore, be involved in the surge generating mechanism...
June 19, 2017: Reproduction: the Official Journal of the Society for the Study of Fertility
https://www.readbyqxmd.com/read/28628620/prevalence-and-determinants-of-online-sex-use-in-the-german-population
#13
Manfred E Beutel, Sebastian Giralt, Klaus Wölfling, Yve Stöbel-Richter, Claudia Subic-Wrana, Iris Reiner, Ana Nanette Tibubos, Elmar Brähler
INTRODUCTION: The unlimited access to sexual features in the World Wide Web has raised concerns about excessive and problematic online-sex use. However, little is known about antecedents of internet-sex use of different intensity. Based on a representative German sample of 2,522 participants between the ages of 14 and 97 years, the aims of the present study were (1) to determine the prevalence rates of online-sex users with the short version (ISSTGSV) of the Internet Sex Screening Test and (2) to associate online-sex use with anxious vs...
2017: PloS One
https://www.readbyqxmd.com/read/28628371/sexual-desire-among-an-online-sample-of-men-sexually-attracted-to-children
#14
Renae C Mitchell, Alex P Bravo, M Paz Galupo
Sexual attraction to children occurs in roughly 3 to 9 percent of the population. However, most knowledge about such desires comes from forensic samples, and most studies fail to assess preferred sexual activity and sexual partner. A new multimodal assessment of sexual desire was used to investigate interest in consensual and nonconsensual sex with adults and children in an online sample of men sexually attracted to children (n = 101). Desires were compared across history of sex offending behavior and preferred gender of child victim...
June 19, 2017: Journal of Child Sexual Abuse
https://www.readbyqxmd.com/read/28625786/drug-induces-depression-like-phenotypes-and-alters-gene-expression-profiles-in-drosophila
#15
Ming-Di Jiang, Ya Zheng, Jia-Lin Wang, Yu-Feng Wang
BACKGROUND: Major depressive disorder (MDD) is a severe mental illness that affects more than 350 million people worldwide. However, the molecular mechanisms of depression are currently unclear. Studies suggest that Drosophila and humans have similar depression-like symptoms under pressure. In this research, we choose Drosophila melanogaster as the animal model to explore the molecular mechanisms that trigger depression. RESULTS: We found that feeding D. melanogaster with the medium containing Levodopa or Chlorpromazine could induce depression-like phenotypes in both behavioral and biochemical biomarkers, including significantly decreased food intake, mating frequency, serotonin (5-HT) concentration, and increased malondialdehyde (MDA) concentration as well as reduced activity of superoxide dismutase (SOD)...
June 15, 2017: Brain Research Bulletin
https://www.readbyqxmd.com/read/28625782/complex-sexual-deception-in-an-orchid-is-achieved-by-co-opting-two-independent-biosynthetic-pathways-for-pollinator-attraction
#16
Haiyang Xu, Björn Bohman, Darren C J Wong, Claudia Rodriguez-Delgado, Adrian Scaffidi, Gavin R Flematti, Ryan D Phillips, Eran Pichersky, Rod Peakall
Sexually deceptive orchids lure their specific male pollinators using volatile semiochemicals that mimic female sex pheromones. To date, the semiochemicals known to be involved consist of blends of chemically and biosynthetically related compounds. In contrast, we report that (S)-β-citronellol and 2-hydroxy-6-methylacetophenone, two biosynthetically distinct compounds, are the active semiochemicals in Caladenia plicata, which is pollinated by male Zeleboria sp. thynnine wasps. They are also sex pheromone components of the female Zeleboria...
June 12, 2017: Current Biology: CB
https://www.readbyqxmd.com/read/28625191/attraction-and-consumption-of-methyl-eugenol-by-male-bactrocera-umbrosa-fabricius-diptera-tephritidae-promotes-conspecific-sexual-communication-and-mating-performance
#17
S L Wee, M Z Abdul Munir, A K W Hee
The Artocarpus fruit fly, Bactrocera umbrosa (Fabricius) (Diptera: Tephritidae), is an oligophagous fruit pest infesting Moraceae fruits, including jackfruit (Artocarpus heterophyllus Lamarck), a fruit commodity of high value in Malaysia. The scarcity of fundamental biological, physiological and ecological information on this pest, particularly in relation to behavioural response to phytochemical lures, which are instrumental to the success of many area-wide fruit fly control and management programmes, underpins the need for studies on this much-underrated pest...
June 19, 2017: Bulletin of Entomological Research
https://www.readbyqxmd.com/read/28625012/the-effects-of-school-based-condom-availability-programs-caps-on-condom-acquisition-use-and-sexual-behavior-a-systematic-review
#18
REVIEW
Timothy Wang, Mark Lurie, Darshini Govindasamy, Catherine Mathews
We conducted a systematic review to assess the impact of school-based condom availability programs (CAPs) on condom acquisition, use and sexual behavior. We searched PubMed to identify English-language studies evaluating school-based CAPs that reported process (i.e. number of condoms distributed or used) and sexual behavior measures. We identified nine studies that met our inclusion criteria, with the majority conducted in the United States of America. We judged most studies to have medium risk of bias. Most studies showed that school-based CAPs increased the odds of students obtaining condoms (odds ratios (ORs) for individual studies ranged between 1...
June 17, 2017: AIDS and Behavior
https://www.readbyqxmd.com/read/28624479/food-restriction-induced-changes-in-motivation-differ-with-stages-of-the-estrous-cycle-and-are-closely-linked-to-rfamide-related-peptide-3-but-not-kisspeptin-in-syrian-hamsters
#19
REVIEW
Noah A Benton, Kim A Russo, Jeremy M Brozek, Ryan Andrews, Veronica Kim, Lance J Kriegsfeld, Jill E Schneider
We tested the hypothesis that the effects of food restriction on behavioral motivation are mediated by one or both of the RFamides, RFamide-related Peptide-3 (RFRP-3) and kisspeptin (Kp) in female Syrian hamsters (Mesocricetus auratus). Female hamsters fed ad libitum and given a choice between food and adult male hamsters are highly motivated to visit males instead of food on all four days of the estrous cycle, but after 8days of mild food restriction (75% of ad libitum intake) they shift their preference toward food every day of the estrous cycle until the day of estrus, when they shift their preference back toward the males...
June 14, 2017: Physiology & Behavior
https://www.readbyqxmd.com/read/28624321/does-any-association-exist-between-chronic-obstructive-pulmonary-disease-and-erectile-dysfunction-the-decoded-study
#20
M Dias, M J Oliveira, P Oliveira, I Ladeira, R Lima, M Guimarães
INTRODUCTION: Erectile dysfunction (ED) is the inability to achieve or maintain an erection for satisfactory sexual activity. Recent studies have shown an association between ED and chronic obstructive pulmonary disease (COPD). However, this issue is often ignored. We aimed to evaluate the ED prevalence in COPD patients and its risk factors and to study the impact of dyspnea in sexual activity. METHODS: Cross-sectional study that included sexually active male patients with COPD...
June 14, 2017: Revista Portuguesa de Pneumologia
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