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https://www.readbyqxmd.com/read/29786974/embryonic-exposure-to-environmentally-relevant-concentrations-of-a-brominated-flame-retardant-reduces-the-size-of-song-control-nuclei-in-a-songbird
#1
Margaret L Eng, Viktoria Winter, John E Elliott, Scott A MacDougall-Shackleton, Tony D Williams
Environmental contaminants have the potential to act as developmental stressors and impair development of song and the brain of songbirds, but they have been largely unstudied in this context. 2,2',4,4',5-Pentabromodiphenyl ether (BDE-99) is a brominated flame retardant congener that has demonstrated endocrine disrupting effects, and has pervaded the global environment. We assessed the effects of in ovo exposure to environmentally relevant levels of BDE-99 on the neuroanatomy of the song-control system in a model songbird species, the zebra finch (Taeniopygia guttata)...
May 22, 2018: Developmental Neurobiology
https://www.readbyqxmd.com/read/29786908/opposing-patterns-of-intraspecific-and-interspecific-differentiation-in-sex-chromosomes-and-autosomes
#2
Peter A Moran, Sonia Pascoal, Timothee Cezard, Judith E Risse, Michael G Ritchie, Nathan W Bailey
Linking intraspecific and interspecific divergence is an important challenge in speciation research. X chromosomes are expected to evolve faster than autosomes and disproportionately contribute to reproductive barriers, and comparing genetic variation on X and autosomal markers within and between species can elucidate evolutionary processes that shape genome variation. We performed RADseq on a 16-population transect of two closely-related Australian cricket species, Teleogryllus commodus and T. oceanicus, covering allopatry and sympatry...
May 22, 2018: Molecular Ecology
https://www.readbyqxmd.com/read/29786892/association-between-initial-age-of-exposure-to-childhood-abuse-and-cognitive-control-preliminary-evidence
#3
Kristen L Mackiewicz Seghete, Anne P DePrince, Marie T Banich
Cognitive control, which relies on the protracted development of frontal-parietal regions into adolescence, is a brain process that may be particularly vulnerable to the impact of childhood abuse. In this study, we used functional magnetic resonance imaging (fMRI) to examine associations between the age of onset of childhood abuse and alterations to the neural mechanisms supporting cognitive control in early adulthood, which have not been previously examined. During fMRI scanning, participants completed hybrid block/event-related versions of a classic color-word Stroop task as well as emotional Stroop tasks (threat and positive words)...
May 22, 2018: Journal of Traumatic Stress
https://www.readbyqxmd.com/read/29786768/risk-prediction-score-for-hiv-infection-development-and-internal-validation-with-cross-sectional-data-from-men-who-have-sex-with-men-in-china
#4
Lu Yin, Yuejuan Zhao, Meridith Blevins Peratikos, Liang Song, Xiangjun Zhang, Ruolei Xin, Zheya Sun, Yunan Xu, Li Zhang, Yifei Hu, Chun Hao, Yuhua Ruan, Yiming Shao, Sten H Vermund, Han-Zhu Qian
Receptive anal intercourse, multiple partners, condomless sex, sexually transmitted infections (STIs), and drug/alcohol addiction are familiar factors that correlate with increased human immunodeficiency virus (HIV) risk among men who have sex with men (MSM). To improve estimation to HIV acquisition, we created a composite score using questions from routine survey of 3588 MSM in Beijing, China. The HIV prevalence was 13.4%. A risk scoring tool using penalized maximum likelihood multivariable logistic regression modeling was developed, deploying backward step-down variable selection to obtain a reduced-form model...
May 21, 2018: AIDS and Behavior
https://www.readbyqxmd.com/read/29786597/-the-sexuality-of-woman-in-puerperium
#5
Barbara Kalbarczyk, Marcin Bobiński, Mieczysław Szatanek, Bartłomiej Kalbarczyk, Robert Rojewski, Jan Kotarski
After the birth various physical, hormonal and psychological changes affect women's emotional status. These significantly impact their family life including the quality of sexual relationships. Among these factors the method of birth, hormonal changes, breast feeding and incidence of postpartal depression are considered to affect relations with the partner. Unfortunately the sexuality in this special time in women's life is commonly avoided or underestimated both by woman and doctors.
2018: Wiadomości Lekarskie: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/29786592/obstetric-and-gynecological-care-by-family-doctors-in-ukraine-literature-review
#6
Oksana V Bakun, Svitlana Y Karatieieva, Svitlana B Semenenko, Oksana I Yurkiv, Ksenia V Slobodian
OBJECTIVE: Introduction: The analysis of literature on the questions of obstetrical and gynecologic care by general practitioners - family doctors in Ukraine has been presented in the article. Special attention has been paid to the actual problems of primary health care implementation on the basis of family medicine. The aim of the study is to find out the depth of the problem "A female doctor as an obstetrician-gynecologist" by analyzing scientific relevant literature data...
2018: Wiadomości Lekarskie: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/29786037/preliminary-outcome-of-individualized-abdominoperineal-excision-for-locally-advanced-low-rectal-cancer
#7
Yi Zheng, Jia-Gang Han, Zhen-Jun Wang, Zhi-Gang Gao, Guang-Hui Wei, Zhi-Wei Zhai, Bao-Cheng Zhao
Background: The introduction of individualized abdominoperineal excision (APE) may minimize operative trauma and reduce the rate of complications. The purpose of this study was to evaluate the safety and efficacy of individualized APE for low rectal cancer. Methods: Fifty-six patients who underwent individualized APE from June 2011 to June 2015 were evaluated retrospectively in Beijing Chaoyang Hospital, Capital Medical University. The main outcome measures were circumferential resection margin (CRM) involvement, intraoperative perforation, postoperative complications, and local recurrence...
June 5, 2018: Chinese Medical Journal
https://www.readbyqxmd.com/read/29785746/systematic-in-depth-proteomic-analysis-of-mitochondria-associated-endoplasmic-reticulum-membranes-mam-in-mouse-and-human-testes
#8
Xiaoli Wang, Yujiao Wen, Juan Dong, Congcong Cao, Shuiqiao Yuan
Mitochondria-associated endoplasmic reticulum membranes (MAMs) regulate important cellular functions including calcium signaling, bioenergetics, and apoptosis during neurodevelopment and carcinogenesis, but its function in male reproduction and spermatogenesis remains enigmatic because the field lacks a complete understanding of the proteome within testis MAMs. To better understand the biological processes and molecular functions of MAM in testes, here, we report a global mass spectrometry-based proteomic evaluation of the MAM obtained from human testes, mouse testes and brains, respectively...
May 21, 2018: Proteomics
https://www.readbyqxmd.com/read/29785696/case-matched-comparison-of-long-term-functional-and-quality-of-life-outcomes-following-laparoscopic-versus-open-ileal-pouch-anal-anastomosis
#9
Olga A Lavryk, Luca Stocchi, Jean H Ashburn, Meagan Costedio, Emre Gorgun, Tracy L Hull, Hermann Kessler, Conor P Delaney
BACKGROUND: Laparoscopic ileal pouch-anal anastomosis (IPAA) is associated with recovery benefits when compared with open IPAA. There is limited data on long-term quality of life and functional outcomes, which this study aimed to assess. METHODS: An IRB-approved, prospectively maintained database was queried to identify patients undergoing laparoscopic IPAA (L), case-matched with open IPAA (O) based on age ± 5 years, gender, body mass index (BMI) ± 5 kg/m2 , diagnosis, date of surgery ± 3 years, stapled/handsewn anastomosis, omission of diverting loop ileostomy and length of follow-up ± 3 years...
May 21, 2018: World Journal of Surgery
https://www.readbyqxmd.com/read/29785496/bareback-sexually-explicit-media-consumption-and-men-who-have-sex-with-men-s-responses-to-sexual-partners-who-prefer-anal-intercourse-with-or-without-condoms
#10
Michael Thai, Fiona Kate Barlow
This study investigated whether "bareback" (i.e., condomless) sexually explicit media (SEM) consumption is differentially associated with men who have sex with men's (MSM) concerns about, and willingness to have, condomless anal intercourse (CAI) versus anal intercourse with condoms. Participants were 659 Australian MSM who all reported their bareback SEM consumption and read a vignette in which they were propositioned for sex by a hypothetical male target. Participants were randomly assigned to one of four vignettes, in which the target exclusively preferred either CAI or anal intercourse with condoms, and either did or did not disclose that they took pre-exposure prophylaxis (PrEP)...
May 21, 2018: Archives of Sexual Behavior
https://www.readbyqxmd.com/read/29785396/expression-characterization-of-six-genes-possibly-involved-in-gonad-development-for-stellate-sturgeon-individuals-acipenser-stellatus-pallas-1771
#11
Alexandru Burcea, Gina-Oana Popa, Iulia Elena Florescu Gune, Marilena Maereanu, Andreea Dudu, Sergiu Emil Georgescu, Marieta Costache
Nowadays, in sturgeon's aquaculture, there is a necessity for sex identification at early stages in order to increase the efficiency of this commercial activity. The basis for a correct identification is studying the different factors that influence the gonad development. The research has been directed towards molecular methods that have been employed with various degrees of success in identifying genes with different expression patterns between male and female sturgeons during their development stages. For the purpose of understanding the sexual development of 4-year-old stellate sturgeon (Acipenser stellatus) individuals, we have selected six genes ( foxl2 , cyp17a1 , ar , dmrt1 , sox9 , and star )...
2018: International Journal of Genomics
https://www.readbyqxmd.com/read/29785390/platelet-rich-plasma-prp-for-the-treatment-of-vulvar-lichen-sclerosus-in-a-premenopausal-woman-a-case-report
#12
D Franic, Z Iternička, M Franić-Ivanišević
The use of platelet-rich plasma (PRP) for the treatment of lichen sclerosus (LS) in a 38-year-old premenopausal woman is reported. The diagnosis was confirmed histologically and the symptoms documented using the ICIQ Vaginal Symptoms Questionnaire (ICIQ-VS) and the Female Sexual Function Index (FSFI) questionnaire. PRP was prepared from autologous blood using the Regen Cellular Matrix Kit. PRP was administered twice over two months. Histology at follow-up one month after the second administration showed the epidermis was nearly normal and upper dermal cellularity had been restored...
April 2018: Case Reports in Women's Health
https://www.readbyqxmd.com/read/29785337/modelling-the-growth-of-the-brown-frog-rana-dybowskii
#13
Qing Tong, Xiao-Peng Du, Zong-Fu Hu, Li-Yong Cui, Hong-Bin Wang
Well-controlled development leads to uniform body size and a better growth rate; therefore, the ability to determine the growth rate of frogs and their period of sexual maturity is essential for producing healthy, high-quality descendant frogs. To establish a working model that can best predict the growth performance of frogs, the present study examined the growth of one-year-old and two-year-old brown frogs ( Rana dybowskii ) from metamorphosis to hibernation (18 weeks) and out-hibernation to hibernation (20 weeks) under the same environmental conditions...
2018: PeerJ
https://www.readbyqxmd.com/read/29785273/gene-regulation-associated-with-sexual-development-and-female-fertility-in-different-isolates-of-trichoderma-reesei
#14
Christoph Dattenböck, Doris Tisch, Andre Schuster, Alberto Alonso Monroy, Wolfgang Hinterdobler, Monika Schmoll
Background: Trichoderma reesei is one of the most frequently used filamentous fungi in industry for production of homologous and heterologous proteins. The ability to use sexual crossing in this fungus was discovered several years ago and opens up new perspectives for industrial strain improvement and investigation of gene regulation. Results: Here we investigated the female sterile strain QM6a in comparison to the fertile isolate CBS999.97 and backcrossed derivatives of QM6a, which have regained fertility (FF1 and FF2 strains) in both mating types under conditions of sexual development...
2018: Fungal Biology and Biotechnology
https://www.readbyqxmd.com/read/29785187/the-association-between-sexual-dysfunctions-and-severity-of-symptoms-in-patients-with-chronic-spontaneous-urticaria
#15
Agnieszka Skrzypulec-Frankel, Katarzyna Bieniek, Alicja Kasperska-Zając
No abstract text is available yet for this article.
2018: Allergy, Asthma, and Clinical Immunology
https://www.readbyqxmd.com/read/29784977/cryptococcus-neoformans-sexual-reproduction-is-controlled-by-a-quorum-sensing-peptide
#16
Xiuyun Tian, Guang-Jun He, Pengjie Hu, Lei Chen, Changyu Tao, Ying-Lu Cui, Lan Shen, Weixin Ke, Haijiao Xu, Youbao Zhao, Qijiang Xu, Fengyan Bai, Bian Wu, Ence Yang, Xiaorong Lin, Linqi Wang
Bacterial quorum sensing is a well-characterized communication system that governs a large variety of collective behaviours. By comparison, quorum sensing regulation in eukaryotic microbes remains poorly understood, especially its functional role in eukaryote-specific behaviours, such as sexual reproduction. Cryptococcus neoformans is a prevalent fungal pathogen that has two defined sexual cycles (bisexual and unisexual) and is a model organism for studying sexual reproduction in fungi. Here, we show that the quorum sensing peptide Qsp1 serves as an important signalling molecule for both forms of sexual reproduction...
May 21, 2018: Nature Microbiology
https://www.readbyqxmd.com/read/29784897/effect-of-alcohol-use-on-injection-and-sexual-behavior-among-people-who-inject-drugs-in-tehran-iran-a-coarsened-exact-matching-approach
#17
Mehdi Noroozi, Brandon D L Marshall, Alireza Noroozi, Bahram Armoon, Hamid Sharifi, Mostafa Qorbani, Mohammad Abbasi, Mohammad Rafi Bazrafshan
BACKGROUND: Many studies have recognized the importance of sexual and injection risk behaviors in HIV transmission among people who inject drugs (PWID). We aimed to examine effect of alcohol use on sexual and injection risky behavior using coarsened exact matching (CEM) approach among PWID in Tehran, Iran. STUDY DESIGN: A cross-sectional study. METHODS: This study was conducted from Mar to Aug 2016 in Tehran, Iran. PWID were recruited by a convenience and snowball sampling from five of Drop-in Centers (DICs) in Tehran...
May 19, 2018: Journal of Research in Health Sciences
https://www.readbyqxmd.com/read/29784856/a-cell-surface-aggregation-promoting-factor-from-lactobacillus-gasseri-contributes-towards-inhibition-of-trichomonas-vaginalis-adhesion-to-human-vaginal-ectocervical-cells
#18
Niha Phukan, Anna E S Brooks, Augusto Simoes-Barbosa
Trichomoniasis, a prevalent sexually transmitted infection, is commonly symptomatic in women. The causative agent is Trichomonas vaginalis , an extracellular protozoan parasite. The host-protective mechanisms and molecules of vaginal lactobacilli that could counteract with this pathogen are largely unknown. This study examines the inhibition promoted by Lactobacillus gasseri against the adhesion of T. vaginalis to host cells, a critical virulence aspect of this pathogen. We observed that the vaginal L. gasseri ATCC 9857 is highly inhibitory by various contact-dependent mechanisms and surface proteins are largely responsible for this inhibitory phenotype...
May 21, 2018: Infection and Immunity
https://www.readbyqxmd.com/read/29784522/expanding-couples-based-hiv-testing-and-counseling-in-the-united-states-findings-from-a-nationwide-online-survey-of-partnered-adults
#19
Ji-Young Lee, Jason W Mitchell
Couples-based HIV testing and counseling (CHTC) is currently available only for gay male couples in the United States, but other types of couples could benefit from this service. Our cross-sectional, online study collected data from 536 partnered adults to assess interest in using CHTC and associated factors. Adjusted odds ratios were calculated with ordinal logistic regression to analyze factors associated with greater interest in using CHTC. Most participants were female, White, non-Hispanic, and/or students who were dating exclusively and sexually active...
April 23, 2018: Journal of the Association of Nurses in AIDS Care: JANAC
https://www.readbyqxmd.com/read/29784276/associations-of-drug-use-violence-and-depressive-symptoms-with-sexual-risk-behaviors-among-women-with-alcohol-misuse
#20
Kristen Lee, Heidi E Hutton, Catherine R Lesko, Anne K Monroe, Anika Alvanzo, Mary E McCaul, Geetanjali Chander
BACKGROUND: Alcohol misuse is associated with increased human immunodeficiency virus sexual risk behaviors by women. Drug use, intimate partner violence (IPV), and depressive symptoms frequently co-occur, are well-recognized alcohol misuse comorbidities, and may interact to increase risk behaviors. Using a syndemic framework we examined associations between drug use, IPV, and depressive symptoms and sexual risk behaviors by 400 women with alcohol misuse attending an urban sexually transmitted infections clinic...
May 18, 2018: Women's Health Issues: Official Publication of the Jacobs Institute of Women's Health
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