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https://www.readbyqxmd.com/read/28942752/multiple-origins-of-parasitic-feminization-thelygeny-and-intersexuality-in-beach-hoppers-are-caused-by-paramyxid-parasites-not-microsporidia
#1
James Pickup, Joseph Edward Ironside
Within populations of the amphipod crustaceans Orchestia gammarellus and Orchestia aestuarensis, a proportion of females produce thelygenic (female-only) broods, which often contain intersexual individuals. This phenomenon is associated with the presence of two putative feminizing parasites, the paramyxid Paramarteilia orchestiae and the microsporidian Dictyocoela cavimanum, which frequently co-infect the same host. In order to determine which of the parasites causes feminization, Orchestia were resampled from the type locality of P...
September 25, 2017: Parasitology
https://www.readbyqxmd.com/read/28920018/neonatal-sex-assignment-in-disorders-of-sex-development-a-philosophical-introspection
#2
REVIEW
V Raveenthiran
Management of ambiguous genitalia is highly controversial. This condition was known previously as intersex and presently as disorders of sex development (DSD). There is no consensus regarding the choice, timing and method of sex assignment in neonates with DSD. Consensus conferences could not unify the views of various stakeholders and third parties. This article philosophically examines the nature and origin of such controversies. Misconception, bias and conflicting priorities are identified as the three cardinal sources of controversies...
July 2017: Journal of Neonatal Surgery
https://www.readbyqxmd.com/read/28902689/experiences-of-adults-with-intellectual-disability-who-identify-as-lesbian-gay-bisexual-transgender-queer-or-questioning-intersex-or-asexual-a-systematic-review-protocol
#3
Vemel Ramasamy, Fiona Rillotta, June Alexander
The purpose of this systematic review is to identify, appraise and synthesize the best available qualitative evidence on the lived experiences of adults with intellectual disability who identify as lesbian, gay, bisexual, transgender, queer or questioning, intersex or asexual in mainstream society.
September 2017: JBI Database of Systematic Reviews and Implementation Reports
https://www.readbyqxmd.com/read/28861546/addressing-the-needs-of-transgender-military-veterans-better-access-and-more-comprehensive-care
#4
Michelle Dietert, Dianne Dentice, Zander Keig
Purpose: There is a gap in social science literature addressing issues of access and quality of care for transgender military veterans. Psychologists, medical doctors, and other health professionals are beginning to address some of the barriers present in the Department of Veterans Affairs (VA) system that affect veterans who are also transgender and intersex. Over a 7-year period, between 2006 and 2013, 2600 transgender veterans were served by the VA. Data from several surveys revealed that most transgender veterans perceive the Veterans Health Administration (VHA) to be less than accommodating for their special needs...
2017: Transgender Health
https://www.readbyqxmd.com/read/28846522/are-physicians-blameworthy-for-iatrogenic-harm-resulting-from-unnecessary-genital-surgeries
#5
Samuel Reis-Dennis, Elizabeth Reis
We argue that physicians should, in certain cases, be held accountable by patients and their families for harm caused by "successful" genital surgeries performed for social and aesthetic reasons. We explore the question of physicians' blameworthiness for three types of genital surgeries common in the United States. First, we consider surgeries performed on newborns and toddlers with atypical sex development, or intersex. Second, we discuss routine neonatal male circumcision. Finally, we consider cosmetic vaginal surgery...
August 1, 2017: AMA Journal of Ethics
https://www.readbyqxmd.com/read/28818950/elimination-of-the-male-reproductive-tract-in-the-female-embryo-is-promoted-by-coup-tfii-in-mice
#6
Fei Zhao, Heather L Franco, Karina F Rodriguez, Paula R Brown, Ming-Jer Tsai, Sophia Y Tsai, Humphrey H-C Yao
The sexual differentiation paradigm contends that the female pattern of the reproductive system is established by default because the male reproductive tracts (Wolffian ducts) in the female degenerate owing to a lack of androgen. Here, we discovered that female mouse embryos lacking Coup-tfII (chicken ovalbumin upstream promoter transcription factor II) in the Wolffian duct mesenchyme became intersex-possessing both female and male reproductive tracts. Retention of Wolffian ducts was not caused by ectopic androgen production or action...
August 18, 2017: Science
https://www.readbyqxmd.com/read/28811240/changes-in-mucosal-and-serum-immunoglobulin-levels-of-california-sea-lions-during-early-development
#7
W Espinosa-de Aquino, M Bailey, K Acevedo-Whitehouse
To date, most studies on pinniped immunoglobulins have focused on circulating antibodies. However, systemic and local immune activities differ in terms of maturation, intensity, and types of effectors that participate. Here, we examined levels of three immunoglobulin isotypes, IgG, IgM and IgA, in the blood and mucosal membranes of free-living California sea lion pups. We investigated whether age, body condition and sex influenced their concentration. Isotype levels varied among tissues, with age-related patterns that could be indicative of differential regulation along development...
August 12, 2017: Developmental and Comparative Immunology
https://www.readbyqxmd.com/read/28783897/gonadal-intersex-in-smallmouth-bass-micropterus-dolomieu-from-northern-indiana-with-correlations-to-molecular-biomarkers-and-anthropogenic-chemicals
#8
Ahmed Abdel-Moneim, Daragh Deegan, Jiejun Gao, Chloe De Perre, Jarrod S Doucette, Byron Jenkinson, Linda Lee, Maria S Sepúlveda
Over the past decade, studies have shown that exposure to endocrine disrupting chemicals (EDCs) can cause gonadal intersex in fish. Smallmouth bass (Micropterus dolomieu) males appear to be highly susceptible to developing testicular oocytes (TO), the most prevalent form of gonadal intersex, as observed in various areas across the U.S. In this study, prevalence and severity of TO was quantified for smallmouth bass sampled from the St. Joseph River in northern Indiana, intersex biomarkers were developed, and association between TO prevalence and organic contaminants were explored...
November 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28760664/effect-of-11%C3%AE-hydroxyandrostenedione-on-european-whitefish-coregonus-lavaretus-linnaeus-1758
#9
Jarosław Król, Piotr Hliwa, Adam Polewacz, Agnieszka Stabińska, Stefan Dobosz, Konrad Ocalewicz
The goal of the present research was to evaluate the efficiency of 11β-hydroxyandrostenedione (OHA) applied in the diet to achieve sex reversal in the European whitefish (Coregonus lavaretus). At 32day post-hatching, fish were reared in four groups: fish fed with 10ppm of OHA (10 OHA), fish fed with 20ppm of OHA (20 OHA), fish fed without OHA (C) and fish fed without OHA and reared in the water from 20 OHA group (R). The experimental groups were conducted in separate recirculation systems and the first phase of the experiment lasted 63days...
July 25, 2017: Animal Reproduction Science
https://www.readbyqxmd.com/read/28756588/trace-element-concentrations-in-livers-of-common-buzzards-buteo-buteo-from-eastern-poland
#10
Ignacy Kitowski, Dariusz Jakubas, Dariusz Wiącek, Agnieszka Sujak, Grzegorz Pitucha
In this study, our aim was to determine the common sources of origin of 18 elements in the livers of Common Buzzards collected during the breeding season in an extensive agricultural landscape in south-east Poland with respect to age (adults and immatures) and sex (males and females). In all 34 specimens collected, the element concentrations followed the pattern of S > Na > Fe > Mg > Zn > Si > Cu > Mn > Ba > Se > B > Pb > Hg > Cd > Cr > Ni > Sr > V. Among the heavy metals examined, only the concentration of Pb was relatively high...
August 2017: Environmental Monitoring and Assessment
https://www.readbyqxmd.com/read/28728528/between-concealing-and-revealing-intersexed-bodies-parental-strategies
#11
Limor Meoded Danon, Anike Krämer
Parents of intersex children are perceived in many studies as hopeless, highly dependent on the medical system, and as gate keepers of normative gendered bodies. In this article, we challenge these perceptions and argue that parents of intersex children are problematically positioned between their children's needs for care and well-being and the socialmedical forces that aim to "normalize" them. Their in-between position leads them to establish different parental strategies within and outside of traditional sex/gender norms...
August 2017: Qualitative Health Research
https://www.readbyqxmd.com/read/28723306/inclusion-of-lesbian-gay-bisexual-transgender-queer-and-intersex-health-in-australian-and-new-zealand-medical-education
#12
Asiel Adan Sanchez, Erica Southgate, Gary Rogers, Robbert J Duvivier
PURPOSE: This study aims at establishing the scope of lesbian, gay, bisexual, transgender, queer, and intersex (LGBTQI) health in Australian and New Zealand medical curricula. METHODS: We sent medical school curriculum administrators an online cross-sectional survey. RESULTS: The response rate was 15 medical schools (71%): 14 Australian schools and 1 New Zealand school. Respondents included program directors (n = 5; 33%), course coordinators (n = 4; 27%), Heads of School (n = 2; 13%), one Dean (7%), and three others (20%)...
August 2017: LGBT Health
https://www.readbyqxmd.com/read/28712604/-sometimes-you-feel-like-the-freak-show-a%C3%A2-qualitative-assessment-of-emergency-care-experiences-among-transgender-and-gender-nonconforming-patients
#13
Elizabeth A Samuels, Chantal Tape, Naomi Garber, Sarah Bowman, Esther K Choo
STUDY OBJECTIVE: Transgender, gender-variant, and intersex (trans) people have decreased access to care and poorer health outcomes compared with the general population. Little has been studied and documented about such patients' emergency department (ED) experiences and barriers to care. Using survey and qualitative research methods, this study aims to identify specific areas for improvement and generate testable hypotheses about the barriers and challenges for trans individuals needing acute care...
July 13, 2017: Annals of Emergency Medicine
https://www.readbyqxmd.com/read/28622991/transcription-of-ribogenesis-genes-in-fish-gonads-applications-in-the-identification-of-stages-of-oogenesis-and-in-environmental-monitoring-of-intersex-condition
#14
Iratxe Rojo-Bartolomé, Ainara Valencia, Ibon Cancio
One of the best described effects of environmental xenoestrogens in fish is the generation of intersex gonads in males. Considering 5S rRNA a marker of the presence of oocytes, a 5S/18S rRNA index was calculated in 296 thicklip grey mullets (Chelon labrosus) from polluted environments. In addition, qPCR analysis of transcription factors gtf3a and ubtf1, related respectively to 5S and 18S rRNA synthesis, was conducted along female-oogenesis. 5S/18S rRNA index identified sex with a threshold value of 0.4521 separating males from females...
June 13, 2017: Marine Pollution Bulletin
https://www.readbyqxmd.com/read/28602421/endocrine-disruption-effects-in-male-and-intersex-roach-rutilus-rutilus-l-from-french-rivers-an-integrative-approach-based-on-subcellular-to-individual-responses
#15
Perrine Geraudie, Marie Gerbron, Christophe Minier
Among the chemicals found in the aquatic environment, some have been reported to interact with the endocrine system of organisms and have been identified as endocrine disrupting compounds. In this study, we have assessed the biological effects due to environmental estrogenic compounds in adult male roach (Rutilus rutilus). Wild fish were collected in the Seine River, and one of its affluent, the Epte River in Normandy, France and impacts on endocrine and reproductive functions have been assessed. This study provides innovative data on the intersex condition in wild fish that are crucial to understand estrogenic contamination impacts and maintenance of sustainable fish population...
September 2017: Comparative Biochemistry and Physiology. Part B, Biochemistry & Molecular Biology
https://www.readbyqxmd.com/read/28589012/-they-will-be-afraid-to-touch-you-lgbti-people-and-sex-workers-experiences-of-accessing-healthcare-in-zimbabwe-an-in-depth-qualitative-study
#16
Jennifer Hunt, Katherine Bristowe, Sybille Chidyamatare, Richard Harding
OBJECTIVES: To examine experiences of key populations (lesbian, gay, bisexual, trans and intersex (LGBTI) people, men who have sex with men (MSM) and sex workers) in Zimbabwe regarding access to, and experiences of, healthcare. DESIGN: Qualitative study using in-depth interviews and focus groups, with thematic analysis. PARTICIPANTS: Sixty individuals from key populations in Zimbabwe. SETTING: Participants were recruited from four locations (Harare, Bulawayo, Mutare, Beitbridge/Masvingo)...
March 2017: BMJ Global Health
https://www.readbyqxmd.com/read/28574671/interdisciplinary-care-in-disorders-differences-of-sex-development-dsd-the-psychosocial-component-of-the-dsd-translational-research-network
#17
David E Sandberg, Melissa Gardner, Nina Callens, Tom Mazur
Scientific discovery and clinical management strategies for Disorders/Differences of Sex Development (DSD) have advanced in recent years. The 2006 Consensus Statement on Management of Intersex Disorders stated that a mental health component to care is integral to promote positive adaptation, yet the parameters of this element have not been described. The objective of this paper is threefold: to describe the psychosocial screening protocol adopted by the clinical centers of the DSD-Translational Research Network; to summarize psychosocial data collected at 1 of the 10 network sites; and to suggest how systematic behavioral health screenings can be employed to tailor care in DSD that results in better health and quality of life outcomes...
June 2017: American Journal of Medical Genetics. Part C, Seminars in Medical Genetics
https://www.readbyqxmd.com/read/28545802/attitudes-towards-disorders-of-sex-development-nomenclature-among-affected-individuals
#18
Emilie K Johnson, Ilina Rosoklija, Courtney Finlayson, Diane Chen, Elizabeth B Yerkes, Mary Beth Madonna, Jane L Holl, Arlene B Baratz, Georgiann Davis, Earl Y Cheng
INTRODUCTION: Although now commonly used in medicine, the updated "disorders of sex development" (DSD) nomenclature formally introduced in 2006 has never been universally accepted by members of the affected community, particularly advocacy groups. Use of this nomenclature by medical professionals may unintentionally negatively affect access to healthcare and research for individuals with DSD conditions. OBJECTIVE: Among individuals affected by various DSD diagnoses, this study sought to (1) evaluate attitudes towards potentially controversial DSD terminology, (2) determine potential impact of terminology on how affected individuals access healthcare, and (3) explore alternate terms...
May 8, 2017: Journal of Pediatric Urology
https://www.readbyqxmd.com/read/28535943/pragmatic-approach-to-intersex-including-genital-ambiguity-in-the-newborn
#19
Kanthi Bangalore Krishna, Christopher P Houk, Peter A Lee
The evaluation and management of a newborn with ambiguous genitalia must be undertaken as quickly as possible and with great sensitivity for the child's family. Where possible, a comprehensive team approach with a pediatric urologist, endocrinologist, geneticist, neonatologist, and child psychiatrist/psychologist should work closely with the family to establish the diagnosis and determine gender. Although the preferred gender assignment is not always clear, a thorough examination of endocrine function, karyotype, and potential for fertility should guide the determination...
June 2017: Seminars in Perinatology
https://www.readbyqxmd.com/read/28534684/observed-deficiencies-in-medical-student-knowledge-of-transgender-and-intersex-health
#20
Jennifer J Liang, Ivy H Gardner, Jacob A Walker, Joshua D Safer
OBJECTIVE: Lesbian, gay, bisexual, transgender, and intersex (LGBTI) patients face many well-documented disparities in care which among transgender and intersex people can often be traced to providers' lack of knowledge. METHODS: We administered surveys to examine the self-assessed knowledge and attitudes of all medical students at Boston University regarding different LGBTI subpopulations. Survey questions were based on a Likert scale from 1 to 5; analysis was conducted with Wilcoxon rank sum tests...
August 2017: Endocrine Practice
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