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https://www.readbyqxmd.com/read/29110358/temporal-variation-in-brain-transcriptome-is-associated-with-the-expression-of-female-mimicry-as-a-sequential-male-alternative-reproductive-tactic-in-fish
#1
Sara D Cardoso, David Gonçalves, Alexander Goesmann, Adelino V M Canário, Rui F Oliveira
Distinct patterns of gene expression often underlie intra- and inter-sexual differences, and the study of this set of co-regulated genes is essential to understand the emergence of complex behavioural phenotypes. Here, we describe the development of a de novo transcriptome and brain gene expression profiles of wild-caught peacock blenny, Salaria pavo, an intertidal fish with sex-role reversal in courtship behaviour (i.e. females are the courting sex) and sequential alternative reproductive tactics in males (i...
November 7, 2017: Molecular Ecology
https://www.readbyqxmd.com/read/29078253/vitellogenin-concentrations-in-feral-danish-brown-trout-have-decreased-an-effect-of-improved-sewage-treatment-in-rural-areas
#2
Jane E Morthorst, Karsten K Mathiesen, Henrik Holbech, Knud L Pedersen, Poul Bjerregaard
Feminization of male and juvenile fish caused by exposure to estrogens or estrogenic chemicals in effluents from central wastewater treatment plants (WWTP) is a worldwide issue of concern. Intersex and induction of the female yolk protein, vitellogenin, in male and juvenile fish are robust biomarkers for estrogenic exposure, and feminized fish have been observed downstream WWTP outlets in many countries. Danish central WWTPs reduce effluent estrogenicity effectively by advanced sewage treatment, and feminizations have not been observed downstream central WWTP outlets...
October 27, 2017: Environmental Toxicology and Chemistry
https://www.readbyqxmd.com/read/29072557/-gay-guys-are-shit-lovers-and-lesbians-are-obsessed-with-fingers-the-mis-representation-of-lgbtiq-people-in-thai-news-media
#3
Kangwan Fongkaew, Anoporn Khruataeng, Sumon Unsathit, Matawii Khamphiirathasana, Nisarat Jongwisan, Oranong Arlunaek, Jensen Byrne
This paper presents an analysis of news reports presenting information or opinions about Lesbian, Gay, Bisexual, Transgender Intersex and Queer (LGBTIQ) people taken from six Thai media outlets over a period of one year. The aim was to explore how LGBTIQ people are portrayed in news media narratives. LGBTIQ identities were found to be vastly underrepresented, and when represented were often represented inaccurately, stereotypically, harmfully or without a clear understanding of the diversity of sexual orientations, gender identities and gender expressions...
October 26, 2017: Journal of Homosexuality
https://www.readbyqxmd.com/read/29070532/bringing-back-the-term-intersex
#4
Johanna Viau-Colindres, Marni Axelrad, Lefkothea P Karaviti
No abstract text is available yet for this article.
November 2017: Pediatrics
https://www.readbyqxmd.com/read/29067876/australian-doctors-knowledge-of-and-compliance-with-the-law-relating-to-end-of-life-decisions-implications-for-lgbti-patients
#5
Colleen Cartwright, Ben White, Lindy Willmott, Malcolm Parker, Gail Williams
In most developed countries, competent patients have the legal right to refuse any medical treatment; Advance Care Planning mechanisms extend this right to non-competent patients. However, some groups, including lesbian, gay, bisexual, transgender and intersex (LGBTI) people, risk their wishes not being respected if they lose capacity, more than others. Little is known about medical practitioners' knowledge of, or attitudes to, the law in this area, especially in relation to LGBTI people, or how the law influences their decision-making...
October 25, 2017: Culture, Health & Sexuality
https://www.readbyqxmd.com/read/29021672/the-size-and-shape-of-the-foramen-magnum-in-man
#6
Matthew J Zdilla, Michelle L Russell, Kaitlyn N Bliss, Kelsey R Mangus, Aaron W Koons
BACKGROUND: The foramen magnum (FM) has garnered broad interest across the disciplines of anthropology, comparative anatomy, evolutionary biology, and clinical sciences. Most studies regarding the structure of the FM in humans have been intrapopulation morphometric studies rather than interpopulation morphologic studies. The few studies assessing the morphology of the foramen have utilized ambiguous and subjective descriptors to describe foraminal shape and are, consequently, difficult to reproduce...
July 2017: Journal of Craniovertebral Junction and Spine
https://www.readbyqxmd.com/read/28994471/god-of-the-hinge-treating-lgbtqia-patients
#7
Annie Boland
This paper looks at systems of gender within the context of analysis. It explores the unique challenges of individuation faced by transsexual, transgender, gender queer, gender non-conforming, cross-dressing and intersex patients. To receive patients generously we need to learn how a binary culture produces profound and chronic trauma. These patients wrestle with being who they are whilst simultaneously receiving negative projections and feeling invisible. While often presenting with the struggles of gender conforming individuals, understanding the specifically gendered aspect of their identity is imperative...
November 2017: Journal of Analytical Psychology
https://www.readbyqxmd.com/read/28986080/chronic-nitrate-exposure-alters-reproductive-physiology-in-fathead-minnows
#8
Kristen A Kellock, Adrian P Moore, Robert B Bringolf
Nitrate is a ubiquitous aquatic pollutant that is commonly associated with eutrophication and dead zones in estuaries around the world. At high concentrations nitrate is toxic to aquatic life but at environmental concentrations it has also been purported as an endocrine disruptor in fish. To investigate the potential for nitrate to cause endocrine disruption in fish, we conducted a lifecycle study with fathead minnows (Pimephales promelas) exposed to nitrate (0, 11.3, and 56.5 mg/L (total nitrate-nitrogen (NO3-N)) from <24 h post hatch to sexual maturity (209 days)...
October 3, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28948447/gender-by-dasein-a-heideggerian-critique-of-suzanne-kessler-and-the-medical-management-of-infants-born-with-disorders-of-sexual-development
#9
Lauren L Baker
This article explores the relationship between gender, technology, language, and how infants and children born with disorders of sexual development are shaped into intelligible members of the community. The contemporary medical model maintains that children ought to be both socially and surgically assigned and reared as one particular gender. Gender scholar Suzanne Kessler rejects this position and argues for the acceptance of greater genital variability through the use of language. Using a Heideggerian lens, the main question I seek to answer in this article is: does Kessler's approach succeed in its aim to better treat individuals born with disorders of sexual development? I argue that Kessler is successful in offering practical solutions for persons with intersexed conditions to exist and flourish as intelligible members of the community, but that her project ultimately relies on power to "challenge forth" greater acceptance of genital variance...
September 25, 2017: Theoretical Medicine and Bioethics
https://www.readbyqxmd.com/read/28946588/changing-the-culture-of-neurodisability-through-language-and-sensitivity-of-providers-creating-a-safe-place-for-lgbtqia-people
#10
Alexander Moreno, Ari Laoch, Nathan D Zasler
BACKGROUND: There is an increasing interest in sexual and gender diversity in neurorehabilitation. Healthcare professionals wanting to improve their practice know the importance of understanding the needs and expectations of specific communities. OBJECTIVE: To critically review the literature about neurological disorders in people who identify as lesbian, gay, bisexual, transgender, queer, intersex, asexual, and people with other sexual orientations and forms of gender expression (LGBTQIA+)...
2017: NeuroRehabilitation
https://www.readbyqxmd.com/read/28942752/multiple-origins-of-parasitic-feminization-thelygeny-and-intersexuality-in-beach-hoppers-are-caused-by-paramyxid-parasites-not-microsporidia
#11
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
#12
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
#13
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
#14
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
#15
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
#16
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
#17
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
#18
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
#19
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
#20
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
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