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https://www.readbyqxmd.com/read/28810935/men-s-sexual-coerciveness-perceptions-of-women-s-attachment-and-dating-preferences
#1
Lucie Holmgreen, Debra Oswald
This study examined whether sexually coercive men are uniquely drawn to certain attachment styles in women. Specifically, it employed an experimental design to investigate what sorts of inferences men draw about women based on women's attachment styles and whether a woman's attachment style may serve as an indicator of vulnerability, rendering sexually coercive men more attracted to some women than to others. One-hundred thirty-six college men completed a measure of sexual coerciveness and answered questions about personal ads experimentally manipulated for portrayed attachment style...
August 15, 2017: Violence and Victims
https://www.readbyqxmd.com/read/28809479/natural-seminal-amyloids-as-targets-for-development-of-synthetic-inhibitors-of-hiv-transmission
#2
Daniel A Sheik, Stephen Dewhurst, Jerry Yang
Amyloids refer to a class of protein or peptide aggregates that are heterogeneous in size, morphology, and composition, and are implicated to play a central role in many neurodegenerative and systemic diseases. The strong correlation between biological activity and extent of aggregation of amyloidogenic proteins and peptides has led to an explosion of research efforts to target these materials with synthetic molecules or engineered antibodies to try to attenuate their function in disease pathology. Although many of these efforts to attenuate amyloid function have shown great promise in laboratory settings, the vast majority of work has been focused on targeting amyloids associated with neurologic diseases, which has been met with significant additional challenges that preclude clinical evaluation...
August 15, 2017: Accounts of Chemical Research
https://www.readbyqxmd.com/read/28808562/floral-scent-and-species-divergence-in-a-pair-of-sexually-deceptive-orchids
#3
Daniel D L Gervasi, Marc-Andre Selosse, Mathieu Sauve, Wittko Francke, Nicolas J Vereecken, Salvatore Cozzolino, Florian P Schiestl
Speciation is typically accompanied by the formation of isolation barriers between lineages. Commonly, reproductive barriers are separated into pre- and post-zygotic mechanisms that can evolve with different speed. In this study, we measured the strength of different reproductive barriers in two closely related, sympatric orchids of the Ophrys insectifera group, namely Ophrys insectifera and Ophrys aymoninii to infer possible mechanisms of speciation. We quantified pre- and post-pollination barriers through observation of pollen flow, by performing artificial inter- and intraspecific crosses and analyzing scent bouquets...
August 2017: Ecology and Evolution
https://www.readbyqxmd.com/read/28808542/the-relationship-between-male-sexual-signals-cognitive-performance-and-mating-success-in-stickleback-fish
#4
Ross Minter, Jason Keagy, Robin M Tinghitella
Cognitive ability varies dramatically among individuals, yet the manner in which this variation correlates with reproduction has rarely been investigated. Here, we ask (1) do male sexual signals reflect their cognitive ability, and (2) is cognitive ability associated with male mating success? Specifically, we presented threespine sticklebacks (Gasterosteus aculeatus) with a detour-reaching task to assess initial inhibitory control. Fish that performed better were those who solved the detour-reaching task, solved it faster, and required fewer attempts to solve...
August 2017: Ecology and Evolution
https://www.readbyqxmd.com/read/28807164/effect-of-chinese-herbal-medicine-on-male-infertility
#5
Dan Jiang, Alberto Coscione, Lily Li, Bai-Yun Zeng
Male infertility normally refers a male's inability to cause pregnancy in a fertile female partner after 1 year of unprotected intercourse. Male infertility in recent years has been attracting increasing interest from public due to the evidence in decline in semen quality. There are many factors contributing to the male infertility including abnormal spermatogenesis; reproductive tract anomalies or obstruction; inadequate sexual and ejaculatory functions; and impaired sperm motility, imbalance in hormone levels, and immune system dysfunction...
2017: International Review of Neurobiology
https://www.readbyqxmd.com/read/28806269/affective-disorders-and-sexual-function-from-neuroscience-to-clinic
#6
Bernardo C de Abreu Barata
PURPOSE OF REVIEW: Sexual dysfunction is a frequent issue in patients with affective disorders, affecting its quality of life and posing challenges to the approach of these patients. RECENT FINDINGS: In recent years, human sexuality has attracted interest from the scientific community, and today we have a much deeper knowledge of the mechanisms involved in the sexual response. Paraphilias or sexual dysfunctions like low sexual desire, premature ejaculation, and erectile dysfunction, are frequent in affective disorders, and the frequency of each sexual problem varies according to the affective disorder...
August 12, 2017: Current Opinion in Psychiatry
https://www.readbyqxmd.com/read/28792983/fear-no-colors-observer-clothing-color-influences-lizard-escape-behavior
#7
Breanna J Putman, Jonathan P Drury, Daniel T Blumstein, Gregory B Pauly
Animals often view humans as predators, leading to alterations in their behavior. Even nuanced aspects of human activity like clothing color affect animal behavior, but we lack an understanding of when and where such effects will occur. The species confidence hypothesis posits that birds are attracted to colors found on their bodies and repelled by non-body colors. Here, we extend this hypothesis taxonomically and conceptually to test whether this pattern is applicable in a non-avian reptile and to suggest that species should respond less fearfully to their sexually-selected signaling color...
2017: PloS One
https://www.readbyqxmd.com/read/28789816/optimising-implementation-of-reforms-to-better-prevent-and-respond-to-child-sexual-abuse-in-institutions-insights-from-public-health-regulatory-theory-and-australia-s-royal-commission
#8
Ben Mathews
The Australian Royal Commission Into Institutional Responses to Child Sexual Abuse has identified multiple systemic failures to protect children in government and non-government organizations providing educational, religious, welfare, sporting, cultural, arts and recreational activities. Its recommendations for reform will aim to ensure organizations adopt more effective and ethical measures to prevent, identify and respond to child sexual abuse. However, apart from the question of what measures institutions should adopt, an under-explored question is how to implement and regulate those measures...
August 5, 2017: Child Abuse & Neglect
https://www.readbyqxmd.com/read/28783412/am-i-a-6-or-a-10-mate-value-among-young-adult-survivors-of-childhood-cancer-and-healthy-peers
#9
Vicky Lehmann, Marrit A Tuinman, Madelaine C Keim, Mariët Hagedoorn, Cynthia A Gerhardt
PURPOSE: This study focused on self-perceived mate value of young adult survivors of childhood cancer relative to healthy peers. Qualitative studies indicate potential problems surrounding romantic relationships among survivors, but systematic studies are missing. METHODS: One-hundred forty-nine childhood cancer survivors and 149 matched controls completed online questionnaires about their mate value, social comparison strategies (i.e., upward/downward identifying/contrasting strategies), and marital status...
August 7, 2017: Journal of Adolescent and Young Adult Oncology
https://www.readbyqxmd.com/read/28781959/structure-based-design-of-ferritin-nanoparticle-immunogens-displaying-antigenic-loops-of-neisseria-gonorrhoeae
#10
Liqin Wang, Daniel Xing, Adriana Le Van, Ann E Jerse, Shuishu Wang
Effective vaccines are urgently needed to combat gonorrhea, a common sexually transmitted bacterial infection, for which treatment options are diminishing due to rapid emergence of antibiotic resistance. We have used a rational approach to the development of gonorrhea vaccines, and genetically engineered nanoparticles to present antigenic peptides of Neisseria gonorrhoeae, the causative agent of gonorrhea. We hypothesized that the ferritin nanocage could be used as a platform to display an ordered array of N...
August 2017: FEBS Open Bio
https://www.readbyqxmd.com/read/28780635/convective-radiofrequency-water-vapor-thermal-therapy-with-rez%C3%A5-m-system
#11
REVIEW
Sevann Helo, Bradley Holland, Kevin T McVary
PURPOSE: Lower urinary tract symptoms (LUTS) secondary to benign prostatic hyperplasia (BPH) are amongst the most commonly treated conditions by urologists. Minimally invasive therapies for the treatment of BPH/LUTS have garnered increased interest as new technology has emerged, improving durability, efficacy, and safety. This paper reviews the most recent literature regarding water vapor therapy, a convective thermal therapy that ablates prostatic tissue. RECENT FINDINGS: The current literature includes a pilot study of 65 men and a randomized controlled trial (RCT) of 197 men investigating the efficacy and safety profile of water vapor therapy up to 2 years...
October 2017: Current Urology Reports
https://www.readbyqxmd.com/read/28777708/rhetoric-and-etiological-beliefs-about-sexuality-reader-responses-to-cynthia-nixon-s-new-york-times-interview
#12
Adam Jowett, Sophie Barker
In 2012, the US actress Cynthia Nixon was quoted in New York Times Magazine as having stated that "for me, it [being gay] is a choice. I understand that for many people it's not, but for me it's a choice, and you don't get to define my gayness for me". The interview attracted international media attention and public criticism by lesbian and gay activists. This paper suggests a rhetorical approach to understanding etiological beliefs and provides a discursive analysis of 198 online comments by readers of Pink News, a gay news website which reported on Nixon's controversial interview...
August 4, 2017: Journal of Homosexuality
https://www.readbyqxmd.com/read/28777685/sexual-minority-disparities-in-substance-use-willingness-among-youth
#13
Kristi E Gamarel, Ethan H Mereish, Suzanne M Colby, Nancy P Barnett, Kerri Hayes, Kristina M Jackson
BACKGROUND: Disparities in substance use have been observed in sexual minority youth, but less is known about willingness to use substances, an important precursor to actual use. OBJECTIVE: The goal of this study was to examine willingness to use cigarettes, alcohol, and marijuana among sexual minority youth compared to their non-sexual minority counterparts using both cross-sectional and longitudinal data. METHODS: The present study drew on two waves (Times 1 and 2; 6 months apart) of data collected during high school as part of a prospective study of substance use initiation and progression in Rhode Island...
August 4, 2017: Substance Use & Misuse
https://www.readbyqxmd.com/read/28775361/a-conserved-neuronal-daf-16-foxo-plays-an-important-role-in-conveying-pheromone-signals-to-elicit-repulsion-behavior-in-caenorhabditis-elegans
#14
Donha Park, Jeong-Hoon Hahm, Saeram Park, Go Ha, Gyeong-Eon Chang, Haelim Jeong, Heekyeong Kim, Sunhee Kim, Eunji Cheong, Young-Ki Paik
Animals use pheromones as a conspecific chemical language to respond appropriately to environmental changes. The soil nematode Caenorhabditis elegans secretes ascaroside pheromones throughout the lifecycle, which influences entry into dauer phase in early larvae, in addition to sexual attraction and aggregation. In adult hermaphrodites, pheromone sensory signals perceived by worms usually elicit repulsion as an initial behavioral signature. However, the molecular mechanisms underlying neuronal pheromone sensory process from perception to repulsion in adult hermaphrodites remain poorly understood...
August 3, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28769963/tissue-specific-floral-transcriptome-analysis-of-the-sexually-deceptive-orchid-chiloglottis-trapeziformis-provides-insights-into-the-biosynthesis-and-regulation-of-its-unique-uv-b-dependent-floral-volatile-chiloglottone-1
#15
Darren C J Wong, Ranamalie Amarasinghe, Claudia Rodriguez-Delgado, Rodney Eyles, Eran Pichersky, Rod Peakall
The Australian sexually deceptive orchid, Chiloglottis trapeziformis, employs a unique UV-B-dependent floral volatile, chiloglottone 1, for specific male wasp pollinator attraction. Chiloglottone 1 and related variants (2,5-dialkylcyclohexane-1,3-diones), represent a unique class of specialized metabolites presumed to be the product of cyclization between two fatty acid (FA) precursors. However, the genes involved in the biosynthesis of precursors, intermediates, and transcriptional regulation remains to be discovered...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28743920/sexual-pair-formation-in-a-cicada-mediated-by-acoustic-behaviour-of-females-and-positive-phonotaxis-of-males
#16
Zehai Hou, Changqing Luo, J Dale Roberts, Cong Wei
The functions of female song found in a few cicadas have rarely been studied. In the cicada Subpsaltria yangi we investigated the acoustic behaviour and signal structure of songs produced by females, the phonotaxis of males, and mate choice, as well as the selective pressure imposed on this species by predators. Pair-formation in S. yangi occurs when males signal, females respond, then males move to signaling females, which is opposite to that in most other cicadas where females move to calling males. Females only mate once and are sexually unreceptive after copulation...
July 25, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28740234/virgin-queen-attraction-toward-males-in-honey-bees
#17
Florian Bastin, Hanna Cholé, Grégory Lafon, Jean-Christophe Sandoz
Although the honeybee is a crucial agricultural agent and a prominent scientific model organism, crucial aspects of its reproductive behaviour are still unknown. During the mating season, honeybee males, the drones, gather in congregations 10-40 m above ground. Converging evidence suggests that drones emit a pheromone that can attract other drones, thereby increasing the size of the congregation. Virgin queens join the vicinity of the congregation after it has formed, and mate with as many as 20 males in mid-air...
July 24, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28727818/prep-in-italy-the-time-may-be-ripe-but-who-s-paying-the-bill-a-nationwide-survey-on-physicians-attitudes-towards-using-antiretrovirals-to-prevent-hiv-infection
#18
Antonio Di Biagio, Niccolò Riccardi, Alessio Signori, Renato Maserati, Silvia Nozza, Andrea Gori, Stefano Bonora, Marco Borderi, Diego Ripamonti, Maria Cristina Rossi, Giancarlo Orofino, Tiziana Quirino, Giuseppe Nunnari, Benedetto Maurizio Celesia, Salvatore Martini, Caterina Sagnelli, Giovanni Mazzola, Pietro Colletti, Dario Bartolozzi, Teresa Bini, Nicoletta Ladisa, Filippo Castelnuovo, Annalisa Saracino, Sergio Lo Caputo
Several studies have demonstrated the efficacy of the oral pre-exposure prophylaxis (PrEP) with tenofovir (with or without emtricitabine) on preventing HIV-negative partners of HIV infected patients to become infected through sexual contacts. PrEP is already available in the United States and now is approved by European Medicine Agency. In this setting we would like to gauge physicians' knowledge, acquaintance with and attitude to include PrEP in their clinical practice. A cross sectional survey was conducted among Italian physicians expert on antiretroviral therapy...
2017: PloS One
https://www.readbyqxmd.com/read/28726309/religion-sexual-orientation-and-suicide-attempts-among-a-sample-of-suicidal-adolescents
#19
Annie Shearer, Jody Russon, Joanna Herres, Amanda Wong, Carrie Jacobs, Gary M Diamond, Guy S Diamond
Despite condemnation of same-sex attraction by certain religious groups, few studies have explored the relationship between religion, same-sex attraction, and suicidality. This study examined the moderating effect of same-sex attraction on the relationship between parent/adolescent religiosity and suicide ideation/attempts in a suicidal adolescent sample (N = 129). Linear and negative binomial regressions tested the effects of a two-way dichotomous (same-sex attraction, yes/no) by continuous (religiosity) interaction on ideation and attempts, respectively...
July 20, 2017: Suicide & Life-threatening Behavior
https://www.readbyqxmd.com/read/28725411/choosing-a-mate-in-a-high-predation-environment-female-preference-in-the-fiddler-crab-uca-terpsichores
#20
Daniela M Perez, John H Christy, Patricia R Y Backwell
The interplay between a receiver's sensory system and a sender's courtship signals is fundamental to the operation of sexual selection. Male courtship signals that match a female receiver's preexisting perceptual biases can be favored yet the message they communicate is not always clear. Do they simply beacon the male's location or also indicate his quality? We explored this question in a species of fiddler crab Uca terpsichores that courts under elevated predation risk and that mates and breeds underground in the safety of males' burrows...
October 2016: Ecology and Evolution
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