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https://www.readbyqxmd.com/read/28731468/a-role-for-the-cell-wall-protein-silacidin-in-cell-size-of-the-diatom-thalassiosira-pseudonana
#1
Amy R Kirkham, Patrick Richthammer, Katrin Schmidt, Martin Wustmann, Yoshiaki Maeda, René Hedrich, Eike Brunner, Tsuyoshi Tanaka, Karl-Heinz van Pée, Angela Falciatore, Thomas Mock
Diatoms contribute 20% of global primary production and form the basis of many marine food webs. Although their species diversity correlates with broad diversity in cell size, there is also an intraspecific cell-size plasticity owing to sexual reproduction and varying environmental conditions. However, despite the ecological significance of the diatom cell size for food-web structure and global biogeochemical cycles, our knowledge about genes underpinning the size of diatom cells remains elusive. Here, a combination of reverse genetics, experimental evolution and comparative RNA-sequencing analyses enabled us to identify a previously unknown genetic control of cell size in the diatom Thalassiosira pseudonana...
July 21, 2017: ISME Journal
https://www.readbyqxmd.com/read/28716452/the-proliferation-of-sexual-health-diverse-social-problems-and-the-legitimation-of-sexuality
#2
Steven Epstein, Laura Mamo
Especially since the 1990s, the term sexual health has flourished in professional, commercial, and lay domains. Yet the more the phrase has become visible, the greater the mutability in its meanings. These developments matter for an understanding of healthism-the idea that modern individuals are enjoined to recognize a moral obligation to maximize their health. Theorists of healthism have paid relatively little attention to sexuality and its frequent rendering as controversial, illegitimate, or stigmatizing...
June 29, 2017: Social Science & Medicine
https://www.readbyqxmd.com/read/28701798/cognitive-behavioral-therapy-as-an-adjunct-treatment-for-pakistani-men-with-ed
#3
S Khan, A Amjad, D Rowland
The goal of this study was to determine potential positive effects of cognitive behavioral therapy (CBT) on Pakistani men with ED who were undergoing treatment with a PDE-5 inhibitor. We used a pre-post research design comparing men with and without adjunctive CBT. Men in the two groups were compared to determine whether CBT improved sexual function, as measured by the International Index of Erectile Function (IIEF). A total of 60 individuals diagnosed with ED completed the study. Participants were systematically assigned to one of two groups, the CBT group or the control group...
July 13, 2017: International Journal of Impotence Research
https://www.readbyqxmd.com/read/28698334/a-randomised-controlled-trial-to-evaluate-the-impact-of-sexual-health-clinic-based-automated-text-message-reminders-on-testing-of-hiv-and-other-sexually-transmitted-infections-in-men-who-have-sex-with-men-in-china-protocol-for-the-t2t-study
#4
Huachun Zou, Xiaojun Meng, Andrew Grulich, Shujie Huang, Tianjian Jia, Xuan Zhang, Zhenzhou Luo, Yi Ding, Ligang Yang, Jinmei Han, Weiying Chen, Heping Zheng, Bin Yang
INTRODUCTION: The frequency of screening for HIV and other sexually transmitted infections (STIs) among men who have sex with men (MSM) is still low in China. METHODS AND ANALYSIS: A sexual health clinic based randomised controlled trial will be conducted in Guangzhou, Wuxi and Shenzhen, China, enrolling 600 MSM. Eligibility will be judged by the pre-programed iPad based questionnaire: (1) age ≥18 years and (2) have had two or more male anal sex partners, or condomless anal sex with a casual male sex partner, or an STI history, in the past 6 months, and (3) provides a valid mobile phone number...
July 10, 2017: BMJ Open
https://www.readbyqxmd.com/read/28686517/clinical-update-osteoporosis-management
#5
Pelin Batur, Sheila Rice, Paola Barrios, Andrea Sikon
The clinical update serves as a brief review of recently published, high-impact, and potentially practice changing journal articles summarized for our readers. Topics include menopause, sexual dysfunction, breast health, contraception, osteoporosis, and cardiovascular disease. In this clinical update, we selected recent publications relevant to osteoporosis management. We highlight articles on the safety of long-term use of denosumab and bisphosphonates, fracture risk after discontinuing menopausal hormone therapy, calcium intake and cardiovascular risk, as well as the value of repeat dual X-ray absorptiometry scanning to monitor those on osteoporosis treatment...
July 7, 2017: Journal of Women's Health
https://www.readbyqxmd.com/read/28662271/introduction-science-sexuality-and-psychotherapy-shifting-paradigms
#6
Armand R Cerbone
This introduction presents an overview of the current issue (73, 8) of Journal of Clinical Psychology: In Session. This issue features a series of articles, with clinical cases, each presented to illustrate the challenges faced by individuals and couples whose sexual and gender identities and expressions do not comport with traditional and cultural norms. These articles also document the challenges to the therapists who treat them. Considered individually, each article underscores the need to recognize the importance of evidence in guiding psychotherapy in cases involving sexuality...
August 2017: Journal of Clinical Psychology
https://www.readbyqxmd.com/read/28661541/women-50-and-older-and-hiv-prevention-and-implications-for-health-care-providers
#7
Christopher Lance Coleman
The current article discusses the importance of implementing HIV and AIDS education, prevention, and intervention programs that are tailored to women 50 and older and to determine HIV risk factors for this population. A literature search was performed, resulting in 41 relevant articles. The literature underscored the significance of increasing awareness of HIV/AIDS, particularly among older women. HIV risk behaviors and the effect that these behaviors have on HIV transmission and prevention among women 50 and older are described...
June 26, 2017: Journal of Gerontological Nursing
https://www.readbyqxmd.com/read/28659630/relationship-between-sexual-position-and-severity-of-penile-fracture
#8
R Barros, L Schulze, A A Ornellas, L Koifman, L A Favorito
The objective of the study was to evaluate the relationship between the sexual position and severity of penile fracture (PF). We studied 90 patients with PF. The mechanism of injury and the sexual position was assessed. We divided our sample by the etiology of the fracture in six groups: (a) masturbation or penile manipulation; (b) 'man-on-top' position; (c) 'doggy style' position; (d) 'woman-on-top' position; (d) blunt trauma; and (e) 'rolling over' fracture. We used the χ(2)-test for contingency analysis of the populations under study (P<0...
June 29, 2017: International Journal of Impotence Research
https://www.readbyqxmd.com/read/28657889/evolution-of-mating-in-the-saccharomycotina
#9
Kenneth H Wolfe, Geraldine Butler
The fungal phylum Ascomycota comprises three subphyla: Saccharomycotina, Pezizomycotina, and Taphrinomycotina. In many Saccharomycotina species, cell identity is determined by genes at the MAT (mating-type) locus; mating occurs between MATa and MATα cells. Some species can switch between MATa and MATα mating types. Switching in the Saccharomycotina originated in the common ancestor of the Saccharomycetaceae, Pichiaceae, and Metschnikowiaceae families, as a flip/flop mechanism that inverted a section of chromosome...
June 28, 2017: Annual Review of Microbiology
https://www.readbyqxmd.com/read/28639335/a-systematic-review-on-identifying-risk-factors-associated-with-early-sexual-debut-and-coerced-sex-among-adolescents-and-young-people-in-communities
#10
REVIEW
Regina Lai Tong Lee, Alice Yuen Loke, Tsz Man Tommy Hung, Howard Sobel
AIM: To review literature on identifying the risk factors associated with early sexual coerced debut with the aim to facilitate the health care workers' planning of relevant health services to improve intervention strategies for delaying of early coerced sexual debut or forced sexual debut (CSD/FSD) in the communities. BACKGROUND: Identifying the risk factors associated with coercion at first sex is crucial for developing appropriate sexual and reproductive health information and health promotion in response...
June 21, 2017: Journal of Clinical Nursing
https://www.readbyqxmd.com/read/28634363/long-term-health-outcomes-in-patients-with-prader-willi-syndrome-a-nationwide-cohort-study-in-denmark
#11
E Hedgeman, S P Ulrichsen, S Carter, N C Kreher, K P Malobisky, M M Braun, J Fryzek, M S Olsen
BACKGROUND: Prader-Willi syndrome (PWS) is a rare congenital disease that affects growth, sexual development, cognitive function and behavior. Individuals exhibit food preoccupation and hyperphagia, which may lead to obesity with premature morbidity and mortality. The aim of this work was to evaluate the risk of venous thromboembolisms (VTE), myocardial infarction, pulmonary hypertension, sleep apnea, depression, anxiety and all-cause mortality among persons with PWS as compared to an age- and sex-matched general population cohort...
June 21, 2017: International Journal of Obesity: Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/28628914/efficacy-and-safety-of-tadalafil-once-a-day-versus-tadalafil-on-demand-in-patients-with-erectile-dysfunction-a-systematic-review-and-meta-analyses
#12
Zhufeng Peng, Lu Yang, Qiang Dong, Qiang Wei, Liangren Liu, Bo Yang
INTRODUCTION: To compare the efficacy and safety between tadalafil once-a-day and tadalafil on-demand dosing regimen in patients with ED. MATERIALS AND METHODS: A systematic search of Medline, Embase, and Cochrane Library was performed to identify all randomized controlled trials (RCTs) that compared tadalafil used a once-a-day with an on-demand dosing regimen for erectile dysfunction. A secondary hand-search was performed in relevant journals, references, and the grey literature...
June 21, 2017: Urologia Internationalis
https://www.readbyqxmd.com/read/28626791/hiv-risk-reduction-prevention-interventions-targeting-african-american-adolescent-women
#13
C Emily Hendrick, Caitlin Canfield
African American young women are overwhelmingly disproportionately burdened by HIV/AIDS in the United States today. The purpose of the current systematic review was to identify the characteristics of efficacious HIV risk-reduction prevention interventions targeting African American adolescent women in order to inform future intervention development and expansion. We searched PubMed, PsychInfo, and ProQuest databases for journal articles and dissertations published between 2000 and 2015 reporting the impacts of HIV risk-reduction prevention interventions in the U...
June 2017: Adolesc Res Rev
https://www.readbyqxmd.com/read/28607507/urinary-lipidomics-evidence-for-multiple-sources-and-sexual-dimorphism-in-healthy-individuals
#14
J Graessler, C S Mehnert, K-M Schulte, S Bergmann, S Strauss, T D Bornstein, J Licinio, M-L Wong, A L Birkenfeld, S R Bornstein
Urinary lipidomics may add new valuable biomarkers to the diagnostic armamentarium for early detection of metabolic and kidney diseases. Sources and composition of urinary lipids in healthy individuals, however, have not been investigated in detail. Shotgun lipidomics was used to quantify lipidomic profiles in native urine samples from 16 individuals (eight men, eight women) collected in five fractions over 24 h. All probands were comprehensively characterized by urinary and clinical indices. The mean total urinary lipid concentration per sample was 0...
June 13, 2017: Pharmacogenomics Journal
https://www.readbyqxmd.com/read/28554105/comment-on-a-case-report-of-a-complete-degloving-injury-of-the-penile-skin
#15
A Innocenti, D Melita, F Mori, S Ghezzi, M Innocenti
INTRODUCTION: We recently published an article in the International Journal of Surgical Case Reports titled: "Scrotal dartos-fascio-myo-cutaneous flap for penis elongation after catastrophic iatrogenic skin shaft sub-amputation: A case of recovery using an extremely adaptable flap". PRESENTATION OF CASE: We propose a comment on a recent article titled "A case report of a complete degloving injury of the penile skin" by Helena Aineskog and Frederik Huss that we read with great interest...
2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28543783/alpha-male-replacements-in-nonhuman-primates-variability-in-processes-outcomes-and-terminology
#16
Julie A Teichroeb, Katharine M Jack
Alpha male replacements occur in all primates displaying a dominance hierarchy but the process can be extremely variable. Here, we review the primate literature to document differences in patterns of alpha male replacements, showing that group composition and dispersal patterns account for a large proportion of this variability. We also examine the consequences of alpha male replacements in terms of sexual selection theory, infanticide, and group compositions. Though alpha male replacements are often called takeovers in the literature, this term masks much of the variation that is present in these processes...
July 2017: American Journal of Primatology
https://www.readbyqxmd.com/read/28535293/invited-commentary-a-landmark-study-launched-in-a-public-health-maelstrom
#17
Eric A Engels, Charles S Rabkin, James J Goedert
The acquired immune deficiency syndrome (AIDS) epidemic was first recognized in 1981, and it quickly became a public health emergency. In a 1987 paper in the American Journal of Epidemiology (Am J Epidemiol. 1987;126(2): 310-318), Richard Kaslow et al. described the launch of the Multicenter AIDS Cohort Study (MACS), a cohort study of homosexual men in 4 US cities, the purpose of which was to better understand the natural history of AIDS and its determinants. The MACS enrolled participants through a range of community contacts...
June 1, 2017: American Journal of Epidemiology
https://www.readbyqxmd.com/read/28489498/fusarium-oxysporum-and-the-fusarium-wilt-syndrome
#18
Thomas R Gordon
The Fusarium oxysporum species complex (FOSC) comprises a multitude of strains that cause vascular wilt diseases of economically important crops throughout the world. Although sexual reproduction is unknown in the FOSC, horizontal gene transfer may contribute to the observed diversity in pathogenic strains. Development of disease in a susceptible crop requires F. oxysporum to advance through a series of transitions, beginning with spore germination and culminating with establishment of a systemic infection...
May 10, 2017: Annual Review of Phytopathology
https://www.readbyqxmd.com/read/28441117/sexual-dimorphism-of-parental-care-from-genes-to-behavior
#19
Noga Zilkha, Niv Scott, Tali Kimchi
Parental care is found in species across the animal kingdom, from small insects to large mammals, with a conserved purpose of increasing offspring survival. Yet enormous variability exists between different species and between the sexes in the pattern and level of parental investment. Here, we review the literature on the neurobiological mechanisms underlying maternal and paternal care, especially in rodents, and discuss the relationship between sex differences in behavior and sexual dimorphism in the brain...
April 24, 2017: Annual Review of Neuroscience
https://www.readbyqxmd.com/read/28428157/texting-and-mobile-phone-app-interventions-for-improving-adherence-to-preventive-behavior-in-adolescents-a-systematic-review
#20
Sherif M Badawy, Lisa M Kuhns
BACKGROUND: Many preventable behaviors contribute to adolescent mortality and morbidity. Non-adherence to preventive measures represents a challenge and has been associated with worse health outcomes in this population. The widespread use of electronic communication technologies by adolescents, particularly the use of text messaging (short message service, SMS) and mobile phones, presents new opportunities to intervene on risk and preventive risk behavior, but little is known about their efficacy...
April 19, 2017: JMIR MHealth and UHealth
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