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https://www.readbyqxmd.com/read/29025054/presence-of-polycystic-ovary-syndrome-is-associated-with-longer-anogenital-distance-in-adult-mediterranean-women
#1
María L Sánchez-Ferrer, Jaime Mendiola, Ana I Hernández-Peñalver, Shiana Corbalán-Biyang, Ana Carmona-Barnosi, María T Prieto-Sánchez, Aníbal Nieto, Alberto M Torres-Cantero
STUDY QUESTION: Is polycystic ovary syndrome (PCOS) associated with anogenital distance (AGD), a biomarker of fetal androgen exposure, in adult Mediterranean women? SUMMARY ANSWER: Longer AGD is associated with PCOS in adult Mediterranean women. WHAT IS KNOWN ALREADY: AGD is a biomarker of prenatal androgen milieu. Human observational studies have reported that associations between AGD and reproductive parameters in both sexes. Exposure of the female fetus to intrauterine androgens may be a risk factor for PCOS in adulthood...
August 30, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28974865/quality-assurance-and-average-glandular-dose-measurement-in-mammography-units
#2
C Senthamil Selvan, C S Sureka
To ensure the safe operation of mammography units, acceptance tests and quality assurance (QA) protocols have been developed by the American Association of Physicists in Medicine (AAPM), Engineers Registration Board, and International Atomic Energy Agency. Eight mammography units manufactured by five different manufacturers located in hospitals in our region were investigated following the AAPM and Atomic Energy Regulatory Board (AERB) protocols using a solid-state dosimeter-based PTW-NOMEX Multimeter and a metal-oxide-semiconductor field-effect transistor...
July 2017: Journal of Medical Physics
https://www.readbyqxmd.com/read/28944485/effect-of-repeated-exposure-to-aqui-s-%C3%A2-on-the-viability-and-growth-of-neoparamoeba-perurans
#3
R J Chance, Z Allcock, C J Secombes, B Collet, C Collins
There have been recent efforts amongst immunologists to develop approaches for following individual fish during challenges with viral and bacterial pathogens. This study contributes to assessing the feasibility of using such approaches to study amoebic gill disease (AGD). Neoparamoeba perurans, agent of AGD, has been responsible for widespread economic and fish loss in salmonid aquaculture. With the emergence of AGD in Europe, research into infection dynamics and host response has increased. This study investigated the effect of repeat exposure to anaesthesia, a necessary requirement when following disease progression in individual fish, on N...
September 25, 2017: Journal of Fish Diseases
https://www.readbyqxmd.com/read/28942447/anogenital-distance-in-term-newborns-in-kumasi-ghana
#4
Serwah Bonsu Asafo-Agyei, Emmanuel Ameyaw, Jean-Pierre Chanoine, Margaret Zacharin, Samuel Blay Nguah, Olumide Olatokunbo Jarrett
BACKGROUND: Anogenital distance (AGD) is a simple noninvasive measure of foetal androgen exposure. This study was done to generate normative data on AGD in Ghanaian newborns. METHODS: AGD was measured in 644 male and 612 female term newborns; including the distance between the anterior base of the penis and the centre of the anus, the posterior base of the penis and the centre of the anus, and the posterior base of the scrotum and the centre of the anus (ASD) in males and the distance from the anus to the fourchette (AF) and from the anus to the base of the clitoris in females...
September 22, 2017: Hormone Research in Pædiatrics
https://www.readbyqxmd.com/read/28941819/characterization-of-anogenital-distance-and-its-relationship-to-fertility-in-lactating-holstein-cows
#5
M Gobikrushanth, T C Bruinjé, M G Colazo, S T Butler, D J Ambrose
Anogenital distance (AGD) serves as a marker for prenatal androgenization, reproductive development, and fertility in humans and rodents. The primary objectives of this observational study in lactating dairy cows were to (1) characterize the distribution and variability of AGD, (2) determine the relationship among AGD and potential postnatal AGD determinants of age and height, and (3) evaluate the associations between AGD and pregnancy to first artificial insemination (P/AI) and cumulative pregnancy by 250 d in milk (DIM) within parity groups (first, second, and third+ parities)...
September 20, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28915034/affinity-guided-oxime-chemistry-for-selective-protein-acylation-in-live-tissue-systems
#6
Tomonori Tamura, Zhining Song, Kazuma Amaike, Shin Lee, Sifei Yin, Shigeki Kiyonaka, Itaru Hamachi
Catalyst-mediated protein modification is a powerful approach for the imaging and engineering of natural proteins. We have previously developed affinity-guided 4-dimethylaminopyridine (AGD) chemistry as an efficient protein modification method using a catalytic acyl transfer reaction. However, because of the high electrophilicity of the thioester acyl donor molecule, AGD chemistry suffers from nonspecific reactions to proteins other than the target protein in crude biological environments, such as cell lysates, live cells, and tissue samples...
October 11, 2017: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/28906054/neuropathological-comorbidity-associated-with-argyrophilic-grain-disease
#7
REVIEW
Osamu Yokota, Tomoko Miki, Chikako Ikeda, Shigeto Nagao, Shintaro Takenoshita, Hideki Ishizu, Takashi Haraguchi, Shigetoshi Kuroda, Seishi Terada, Norihito Yamada
Argyrophilic grain disease (AGD) is a common four-repeat tauopathy in elderly people. While dementia is a major clinical picture of AGD, recent studies support the possibility that AGD may be a pathological base in some patients with mild cognitive impairment, late-onset psychosis, bipolar disorder and depression. AGD often coexists with various other degenerative changes. The frequency of AGD in progressive supranuclear palsy (PSP) cases was reported to range from 18.8% to 80%. The frequency of AGD in corticobasal degeneration (CBD) cases tends to be higher than that in PSP cases, ranging from 41...
September 14, 2017: Neuropathology: Official Journal of the Japanese Society of Neuropathology
https://www.readbyqxmd.com/read/28870779/epitestosterone-and-testosterone-replacement-in-immature-castrated-rats-changes-main-testicular-developmental-characteristics
#8
Fernanda Carvalho Cavalari, Luciana Abreu da Rosa, Gustavo Monteiro Escott, Tadeu Dourado, Alexandre Luz de Castro, Maria Beatriz da Fonte Kohek, Maria Flávia Marques Ribeiro, Wania Aparecida Partata, Luciano Stürmer de Fraga, Eloísa da Silveira Loss
Epitestosterone is the 17α-epimer of testosterone and has been described as an anti-androgen, since it inhibits the effects produced by testosterone and dihydrotestosterone via the nuclear androgen receptor (nAR). However, epitestosterone also displays an effect which is similar to the non-classical effect of testosterone, depolarizing the membrane potential of Sertoli cells and inducing a rapid Ca(2+) uptake. This study aimed to investigate the effects of a treatment with epitestosterone on developmental parameters of immature rats...
September 1, 2017: Molecular and Cellular Endocrinology
https://www.readbyqxmd.com/read/28870087/impact-on-dose-and-image-quality-of-a-software-based-scatter-correction-in-mammography
#9
Teresa Monserrat, Elena Prieto, Benigno Barbés, Luis Pina, Arlette Elizalde, Belén Fernández
Background In 2014, Siemens developed a new software-based scatter correction (Progressive Reconstruction Intelligently Minimizing Exposure [PRIME]), enabling grid-less digital mammography. Purpose To compare doses and image quality between PRIME (grid-less) and standard (with anti-scatter grid) modes. Material and Methods Contrast-to-noise ratio (CNR) was measured for various polymethylmethacrylate (PMMA) thicknesses and dose values provided by the mammograph were recorded. CDMAM phantom images were acquired for various PMMA thicknesses and inverse Image Quality Figure (IQFinv) was calculated...
January 1, 2017: Acta Radiologica
https://www.readbyqxmd.com/read/28854868/comparative-developmental-toxicity-evaluation-of-di-n-hexyl-phthalate-and-dicyclohexyl-phthalate-in-rats
#10
Müfide Aydogan Ahbab, Celal Güven, Evrim Arzu Koçkaya, Nurhayat Barlas
To investigate the effects of di- n-hexyl phthalate (DHP) and dicyclohexyl phthalate (DCHP) on the development of fetus and placenta in utero, pregnant rats were exposed to DHP or DCHP at dosages of 0, 20, 100, and 500 mg/kg bw/day, by gavage, on gestational days 6-19. Anogenital distance (AGD) and AGD-body weight(1/3) ratio of female fetuses decreased in all treatment groups in a non-dose-response way. The ossification centers of bones and the intensity of Alizarin red stain of the fetuses decreased in all treatment groups...
January 1, 2017: Toxicology and Industrial Health
https://www.readbyqxmd.com/read/28843704/anogenital-distance-a-longitudinal-evaluation-of-its-variants-and-indices-in-boys-and-girls-of-sonora-mexico
#11
Carmen Loreto-Gómez, Paulina Farías, Hortensia Moreno-Macías, S P Romano-Riquer, Horacio Riojas-Rodríguez
There is no consensus on which anogenital distance (AGD) variant to use and how to adjust it by body size in humans. This study quantitatively evaluated AGD variants and body size adjustments to determine which would be the best choice. AGD variants, height, and weight were measured on five occasions during the first year of life of 307 infants. The ratio of anoscrotal distance (ASD) in boys and anofourchette distance (AFD) in girls increased from 1.9 at birth to 2.3 at 12 months of age. Each AGD variant was divided by each body size variable to generate different indices...
August 23, 2017: Reproductive Toxicology
https://www.readbyqxmd.com/read/28743560/fertility-and-anogenital-distance-in-women
#12
Tamar Wainstock, Ilana Shoham-Vardi, Eyal Sheiner, Asnat Walfisch
BACKGROUND: Human and animal studies have found an association between prenatal androgen exposure and the anogenital distance (AGD). The aims of this study were to study the association between female AGD, reproductive health and background characteristics. METHODS: This was a cross sectional study, in which AGD were measured in 300 pregnant women who were recruited early during the first stage of labor. Demographic and health characteristics were collected and studied in association with AGD measurements...
July 22, 2017: Reproductive Toxicology
https://www.readbyqxmd.com/read/28729305/biomechanical-reposition-techniques-in-anterior-shoulder-dislocation-a-randomised-multicentre-clinical-trial-the-brasd-trial-protocol
#13
David N Baden, Martijn H Roetman, Tom Boeije, Floris Roodheuvel, Nieke Mullaart-Jansen, Suzanne Peeters, Mike D Burg
INTRODUCTION: Glenohumeral (shoulder) dislocations are the most common large joint dislocations seen in the emergency department (ED). They cause pain, often severe, and require timely interventions to minimise discomfort and tissue damage. Commonly used reposition or relocation techniques often involve traction and/or leverage. These techniques have high success rates but may be painful and time consuming. They may also cause complications. Recently, other techniques-the biomechanical reposition techniques (BRTs)-have become more popular since they may cause less pain, require less time and cause fewer complications...
July 20, 2017: BMJ Open
https://www.readbyqxmd.com/read/28728138/first-trimester-urinary-bisphenol-a-concentration-in-relation-to-anogenital-distance-an-androgen-sensitive-measure-of-reproductive-development-in-infant-girls
#14
Emily S Barrett, Sheela Sathyanarayana, Omar Mbowe, Sally W Thurston, J Bruce Redmon, Ruby H N Nguyen, Shanna H Swan
INTRODUCTION: Evidence from animal models suggests that prenatal exposure to bisphenol A (BPA), a ubiquitous endocrine-disrupting chemical, is associated with adverse reproductive outcomes in females. Exposure during early gestation, a critical period for reproductive development, is of particular concern. Anogenital distance (AGD) is a sensitive biomarker of the fetal hormonal milieu and a measure of reproductive toxicity in animal models. In some studies, the daughters of BPA-exposed dams have shorter AGD than controls...
July 11, 2017: Environmental Health Perspectives
https://www.readbyqxmd.com/read/28637461/prenatal-exposure-to-antifungal-medication-may-change-anogenital-distance-in-male-offspring-a-preliminary-study
#15
Djamilla Madelung Mogensen, Maria Bergkvist Pihl, Niels E Skakkebæk, Helle Raun Andersen, Anders Juul, Henriette Boye Kyhl, Shanna Swan, David Møbjerg Kristensen, Marianne Skovager Andersen, Dorte Vesterholm Lind, Tina Kold Jensen
BACKGROUND: Vaginal candidiasis is frequent among pregnant women and it is treated with anti-fungal medication (conazoles). Conazoles have anti-androgenic properties and prenatal exposure in rodents is associated with a shorter (less masculine) anogenital distance (AGD) in male offspring. To our knowledge this has never been studied in humans. METHOD: In the Odense Child Cohort pregnant women residing in Odense municipality, Denmark, were recruited at gestational age 8-16 weeks between 2010 and 2012...
June 21, 2017: Environmental Health: a Global Access Science Source
https://www.readbyqxmd.com/read/28584712/prevalence-and-seroepidemiology-of-haemophilus-parasuis-in-sichuan-province-china
#16
Zhenghao Wang, Qin Zhao, Hailin Wei, Xintian Wen, Sanjie Cao, Xiaobo Huang, Rui Wu, Qigui Yan, Yong Huang, Yiping Wen
Haemophilus parasuis, the causative agent of Glässer's disease, has been reported as widespread, but little is known about its epidemiology in the Sichuan province of China. The goal of our research is to reveal the prevalence and distribution of H. parasuis in this area. Sampling and isolation were performed across Sichuan; isolates were processed using serotyping multiplex PCR (serotyping-mPCR) and agar gel diffusion (AGD) for confirmation of serovar identity. This study was carried out from January 2014 to May 2016 and 254 H...
2017: PeerJ
https://www.readbyqxmd.com/read/28552643/formation-of-graphene-oxide-hybridized-nanogels-for-combinative-anticancer-therapy
#17
Xin Xu, Jine Wang, Yifeng Wang, Liming Zhao, Yulin Li, Changsheng Liu
The low efficacy and high toxicity of chemotherapy have been driving increasing attention on development of combined anticancer therapy technique. In the current work, graphene oxide (GO)-hybridized nanogels (AGD) were developed for delivery of an anticancer drug (doxorubicin (DOX)), which simultaneously presented photothermal therapeutic effects against cancer cells. AGD nanogels were fabricated by in situ incorporating GO nanoplatelets into a biodegradable polymer (alginate) via a double emulsion approach using a disulfide molecule as crosslinker, followed by DOX encapsulation via electrostatic interactions...
May 26, 2017: Nanomedicine: Nanotechnology, Biology, and Medicine
https://www.readbyqxmd.com/read/28537545/paenibacillus-lacus-sp-nov-isolated-from-a-water-reservoir
#18
Wen-Ming Chen, Kai-Rou Lin, Shih-Yi Sheu
A bacterial strain, designated Agd-32T, was isolated from a water sample taken from the Agongdian Reservoir in Taiwan and characterized using a polyphasic taxonomy approach. Cells of strain Agd-32T were Gram-stain-variable, aerobic, motile by means of peritrichous flagella, endospore-forming, rod-shaped and surrounded by a thick capsule. Strain Agd-32T contained anteiso-C15 : 0 and C16 : 0 as the predominant fatty acids. The major isoprenoid quinone was MK-7, and the polar lipid profile consisted of phosphatidylethanolamine, diphosphatidylglycerol, phosphatidylglycerol, one unidentified aminophosphoglycolipid, one unidentified glycolipid, one unidentified phospholipid and one unidentified lipid...
May 2017: International Journal of Systematic and Evolutionary Microbiology
https://www.readbyqxmd.com/read/28501445/local-and-systemic-humoral-immune-response-in-farmed-atlantic-salmon-salmo-salar-l-under-a-natural-amoebic-gill-disease-outbreak
#19
Mar Marcos-López, Cristóbal Espinosa Ruiz, Hamish D Rodger, Ian O'Connor, Eugene MacCarthy, M Ángeles Esteban
Amoebic gill disease (AGD), caused by the protozoan parasite Neoparamoeba perurans, is one of the most significant infectious diseases for Atlantic salmon (Salmo salar L.) mariculture. The present study investigated the humoral immune response (both local in gill mucus and systemic in serum) of farmed Atlantic salmon naturally infected with N. perurans in commercial sea pens, at two different stages of the disease and after freshwater treatment. Parameters analysed included activity of immune related enzymes (i...
May 10, 2017: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/28492111/a-comparison-of-disease-susceptibility-and-innate-immune-response-between-diploid-and-triploid-atlantic-salmon-salmo-salar-siblings-following-experimental-infection-with-neoparamoeba-perurans-causative-agent-of-amoebic-gill-disease
#20
Lynn Chalmers, John F Taylor, William Roy, Andrew C Preston, Herve Migaud, Alexandra Adams
Few studies have focussed on the health and immunity of triploid Atlantic salmon and therefore much is still unknown about their response to commercially significant pathogens. This is important if triploid stocks are to be considered for full-scale commercial production. This study aimed to investigate and compare the response of triploid and diploid Atlantic salmon to an experimental challenge with Neoparamoeba perurans, causative agent of amoebic gill disease (AGD). This disease is economically significant for the aquaculture industry...
May 11, 2017: Parasitology
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