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https://www.readbyqxmd.com/read/28110374/morphological-description-of-limbal-epithelium-searching-for-stem-cells-crypts-in-the-dog-cat-pig-cow-sheep-and-horse
#1
M Patruno, A Perazzi, T Martinello, A Blaseotto, E Di Iorio, I Iacopetti
The cornea provides protection and transparency to the eye, allowing an optimal sharpness view. In some pathological conditions the cornea is able to regenerate thanks to the presence of a stem cells reservoir present at the level of the transition area between cornea and sclera (limbus). Corneal cell therapies in Veterinary Medicine are really limited due to the lacking of knowledge about the anatomy of the limbal area, the putative presence of stem cells and their identification in domestic species. The aim of this study was to provide an overview of the main distinctive structural features of the sclero-corneal junction and conjunctival-corneal junction areas in some species of veterinary importance, using optic microscope observations of histological sections...
January 21, 2017: Veterinary Research Communications
https://www.readbyqxmd.com/read/28110356/predicting-conversion-to-glaucoma-using-standard-automated-perimetry-and-frequency-doubling-technology
#2
Genichiro Takahashi, Shaban Demirel, Chris A Johnson
PURPOSE: To test the hypothesis that development of glaucomatous visual fields can be predicted several years earlier from prior visual field information. METHODS: One-hundred and seven eyes with glaucomatous optic neuropathy (n = 47 eyes) or which were suspicious for glaucoma (n = 60) were prospectively enrolled in a longitudinal study. Visual fields were evaluated on an annual basis using standard automated perimetry (SAP), the original version of frequency doubling technology (FDT) perimetry, and a custom version of FDT that used the 24-2 stimulus pattern...
January 21, 2017: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/28109903/an-apposition-compound-eye-adapted-for-nocturnal-vision-in-the-moth-midge-clogmia-albipunctata-williston-diptera-psychodidae
#3
Lei-Po Jia, Ai-Ping Liang
Morphology and anatomy, dark/light adaptational changes and optics of the compound eyes of the nocturnal moth midge Clogmia albipunctata (Williston) are studied. Its apposition type of eye consists of approximately 260 well-separated ommatidia. Each ommatidium features a biconvex corneal lens covered by corneal nipples measuring around 17 nm in height; a crystalline cone of the acone type; and an open (laterally fused) rhabdom formed by eight retinular cells (R1-R8). The corneal lens, whose biological significance is addressed, is composed of a thick yellow-coloured inner lens unit (ILU) surrounded by a thin, colourless outer lens unit (OLU)...
January 18, 2017: Journal of Insect Physiology
https://www.readbyqxmd.com/read/28109896/the-nlrp3-inflammasome-modulates-sleep-and-nrem-sleep-delta-power-induced-by-spontaneous-wakefulness-sleep-deprivation-and-lipopolysaccharide
#4
Mark R Zielinski, Dmitry Gerashchenko, Svetlana A Karpova, Varun Konanki, Robert W McCarley, Fayyaz S Sutterwala, Robert E Strecker, Radhika Basheer
Both sleep loss and pathogens can enhance brain inflammation, sleep, and sleep intensity as indicated by electroencephalogram delta (δ) power. The pro-inflammatory cytokine interleukin-1 beta (IL-1β) is increased in the cortex after sleep deprivation (SD) and in response to the Gram-negative bacterial cell-wall component lipopolysaccharide (LPS), although the exact mechanisms governing these effects are unknown. The nucleotide-binding domain and leucine-rich repeat protein-3 (NLRP3) inflammasome protein complex forms in response to changes in the local environment and, in turn, activates caspase-1 to convert IL-1β into its active form...
January 18, 2017: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/28109844/colorimetric-detection-of-cucumber-green-mottle-mosaic-virus-using-unmodified-gold-nanoparticles-as-colorimetric-probes
#5
Lin Wang, Zhanmin Liu, Xueying Xia, Cuiyun Yang, Junyi Huang, Sibao Wan
Cucumber green mottle mosaic virus (CGMMV)causes a severe mosaic symptom of watermelon and cucumber, and can be transmitted via infected cucumber seeds, leaves and soil. It remains a challenge to detect this virus to prevent its introduction and infection and spread in fields. For this purpose, a simple and sensitive label-free colorimetric detection method for CGMMV has been developed with unmodified gold nanoparticles (AuNPs) as colorimetric probes. The method is based on the finding that the presence of RT-PCR target products of CGMMV and species-specific probes results in color change of AuNPs from red to blue after NaCl induction...
January 18, 2017: Journal of Virological Methods
https://www.readbyqxmd.com/read/28109781/teasing-apart-coercion-and-surprisal-evidence-from-eye-movements-and-erps
#6
Francesca Delogu, Matthew W Crocker, Heiner Drenhaus
Previous behavioral and electrophysiological studies have presented evidence suggesting that coercion expressions (e.g., began the book) are more difficult to process than control expressions like read the book. While this processing cost has been attributed to a specific coercion operation for recovering an event-sense of the complement (e.g., began reading the book), an alternative view based on the Surprisal Theory of language processing would attribute the cost to the relative unpredictability of the complement noun in the coercion compared to the control condition, with no need to postulate coercion-specific mechanisms...
January 18, 2017: Cognition
https://www.readbyqxmd.com/read/28109687/-ocular-graft-versus-host-disease-an-often-misdiagnosed-etiology-of-dry-eye-syndrome
#7
L Moyal, R Adam, J Akesbi, F T Rodallec, J-P Nordmann
PURPOSE: To report a case of severe ocular graft-versus-host disease (GVHD) after cataract surgery. METHODS: Observational case report. RESULTS: We describe the case of a 59-year-old man with postoperative corneal ulcer on his only functional eye. His past history reported allogenic bone marrow transplant. His visual acuity (VA) was limited to hand motions. Slit lamp examination revealed diffuse conjunctival hyperemia, severe blepharitis, Meibomian dysfunction, total corneal opacification with epithelial and stromal keratitis and neovascular invasion...
January 18, 2017: Journal Français D'ophtalmologie
https://www.readbyqxmd.com/read/28109637/congenital-mirror-movements-in-a-patient-with-alpha-dystroglycanopathy-due-to-a-novel-pomk-mutation
#8
Didem Ardicli, Rahsan Gocmen, Beril Talim, Rosanne Sprute, Goknur Haliloglu, Sebahattin Cirak, Haluk Topaloglu
Dystroglycanopathies are a heterogeneous group of muscular dystrophies often associated with variable brain and eye involvement. Glycosylated alpha-dystroglycan (ADG) plays a key role in the development and stability of basement membranes as well as organizing axon guidance in the central nervous system. Congenital mirror movements, either isolated or in association with several genetic syndromes, are defined as inability to perform unimanual movements. We report an adolescent boy with limb-girdle muscular dystrophy due to ADG deficiency and coexisting congenital mirror movements...
December 23, 2016: Neuromuscular Disorders: NMD
https://www.readbyqxmd.com/read/28109531/diffusion-weighted-imaging-dwi-of-hepatocellular-carcinomas-a-retrospective-analysis-of-the-correlation-between-qualitative-and-quantitative-dwi-and-tumour-grade
#9
T Jiang, J H Xu, Y Zou, R Chen, L R Peng, Z D Zhou, M Yang
AIM: To evaluate the application of qualitative and quantitative diffusion-weighted imaging (DWI) in predicting the histological grade of hepatocellular carcinoma (HCC). MATERIALS AND METHODS: Two hundred and fifty-four patients with pathologically confirmed HCC who underwent hepatic DWI on a 1.5-T platform (b = 0, 600 s/mm(2)) were evaluated retrospectively. HCCs were divided into well-, moderately, and poorly differentiated groups. The relationships between naked-eye signal intensity (SI), SI values, apparent diffusion coefficient (ADC) values on DWI, and the histopathological differentiation of HCC were analysed...
January 19, 2017: Clinical Radiology
https://www.readbyqxmd.com/read/28109504/mutational-analysis-of-gsc-hoxa2-and-prkra-in-106-chinese-patients-with-microtia
#10
Shaojuan Hao, Lei Jin, Chenlong Li, Huijun Wang, Fengyun Zheng, Duan Ma, Tianyu Zhang
OBJECTIVE: Microtia is defined as a developmental malformation characterized by a small, abnormal shaped auricle, with atresia or stenosis of the auditory canal. Genes responsible for nonsyndromic microtia have remained elusive. We therefore report a mutational analysis of GSC, HOXA2 and PRKRA in 106 congenital microtia patients without any combined malformation to explore the relationship between GSC, HOXA2, PRKRA and nonsyndromic microtia. METHODS: A total of 106 patients with a clinical diagnosis of congenital microtia and a control group (100 unaffected controls) were recruited through the Eye and ENT Hospital of Fudan University in China...
February 2017: International Journal of Pediatric Otorhinolaryngology
https://www.readbyqxmd.com/read/28109486/a-population-based-analysis-of-the-implementation-of-pediatric-facemasks-in-girls-youth-lacrosse
#11
Andrew Walls, David Kasle, Nicole Aaronson, Earl Harley, Erik Waldman
OBJECTIVE: To determine the incidence, relative risk reduction, odds ratio and absolute risk reduction of head and ear injuries associated with the implementation of pediatric facial eye guards in lacrosse events. STUDY DESIGN: Cross Sectional Review of a National Database. STUDY LOCATION: National Emergency Injury Survelliance System. METHODS: Our group retrospectively reviewed a nationwide sampling estimate of 809 patients who presented to emergency rooms with head and ear injuries during lacrosse events...
February 2017: International Journal of Pediatric Otorhinolaryngology
https://www.readbyqxmd.com/read/28109292/training-a-medical-workforce-to-meet-the-needs-of-diverse-minority-communities
#12
Faafetai Sopoaga, Tony Zaharic, Jesse Kokaua, Sahra Covello
BACKGROUND: The growing demand for a competent health workforce to meet the needs of increasingly diverse societies has been widely acknowledged. One medical school in New Zealand explored the integration of the commonly used patient-centred model approach, with an intersectional framework in the development of a cultural competency training programme. In the Pacific Immersion Programme, medical students in their fourth year of training are given the opportunity to learn about different factors that influence the health and health care of a minority community through immersion in that community...
January 21, 2017: BMC Medical Education
https://www.readbyqxmd.com/read/28109137/color-vision-abnormality-as-the-sole-manifestation-of-posterior-reversible-encephalopathy-due-to-post-partum-hellp-syndrome
#13
Hironori Takahashi, Teppei Matsubara, Shinji Makino, Kenji Horie, Shigeki Matsubara
Posterior reversible encephalopathy syndrome (PRES) is associated with several symptoms; of those, visual acuity loss, light oversensitivity (photophobia), and light flashes (photopsia) are known as PRES-related eye symptoms. We report a post-partum woman with PRES associated with hemolysis, elevated liver enzymes, and low platelets syndrome (HELLP), in whom color vision abnormality (achromatopsia) was the sole manifestation. Cesarean section was performed at 28 weeks due to headache, epigastralgia, and severe hypertension...
January 21, 2017: Journal of Obstetrics and Gynaecology Research
https://www.readbyqxmd.com/read/28109069/re-moving-from-intra-partum-to-prenatal-diagnosis-of-placenta-accreta-a-quarter-of-a-century-in-the-making-but-still-a-long-way-to-go-obstetricians-intra-surgical-eyes-keep-on-shining
#14
Shigeki Matsubara
For improved treatment of abnormally invasive placenta (AIP), Jauniaux and Silver weighed 'antenatal (pre-surgical)' over 'intra-partum (intra-surgical)' diagnosis,(1) with which in principle I agree. However, the importance of the latter should be re-emphasised. This article is protected by copyright. All rights reserved.
January 21, 2017: BJOG: An International Journal of Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/28108913/religion-and-public-health-moral-tradition-as-both-problem-and-solution
#15
Michael Rozier
Despite strong religious influence in the development of medicine and medical ethics, religion has been relatively absent in the rise of preventive medicine and population health. Episodic, clinical medicine has a powerful hold on the religious imagination in health care. Nevertheless, Hebrew Scripture, elements of rabbinical teaching, and modern concepts of social justice all can be used to inspire action in health care that goes beyond clinical medicine. The Christian tradition can call upon the corporal works of mercy, virtue ethics, and Catholic social teaching, as well as the modern history Catholic sisters in the U...
January 20, 2017: Journal of Religion and Health
https://www.readbyqxmd.com/read/28108906/a-novel-marker-in-acute-central-serous-chorioretinopathy-thiol-disulfide-homeostasis
#16
Hasan Altinkaynak, Piraye Zeynep Kurkcuoglu, Mehtap Caglayan, Mücella Arıkan Yorgun, Nilay Yuksel, Pınar Kosekahya, Cemile Koca, Yasin Toklu
PURPOSE: The aim of this study was to compare dynamic thiol/disulfide homeostatic status in acute central serous chorioretinopathy (CSCR) patients by using a novel and automated assay determining dynamic thiol/disulfide homeostasis. METHODS: Fifty-one patients with acute CSCR (study group) and 65 healthy individuals (control group) were enrolled in this study. Diagnosis of acute CSCR was made clinically and using spectral-domain RTVue OCT (optical coherence tomography) (Optovue, Fremont, CA)...
January 21, 2017: International Ophthalmology
https://www.readbyqxmd.com/read/28108904/intravitreal-anti-vegf-treatment-for-subretinal-neovascularisation-secondary-to-type-2-idiopathic-juxtafoveolar-telangiectasia
#17
Teresa Barth, Florian Zeman, Horst Helbig, Maria-Andreea Gamulescu
PURPOSE: To assess the long-term outcome of patients with subretinal neovascular membrane (SRNVM) secondary to type 2 idiopathic juxtafoveolar telangiectasia (IJT) receiving intravitreal anti-VEGF (vascular endothelial growth factor) injections. METHODS: A total of 14 eyes of 12 patients treated with intravitreal anti-VEGF for SRNVM related to type 2 IJT were retrospectively assessed. RESULTS: Nine men and 3 women with a mean age of 66 years (SD 12, range 47-87 years) were diagnosed with IJT-related SRNVM...
January 21, 2017: International Ophthalmology
https://www.readbyqxmd.com/read/28108902/comparison-of-anterior-segment-measurements-with-lenstar-and-pentacam-in-patients-with-newly-diagnosed-glaucoma
#18
Emine Sen, Merve Inanc, Ufuk Elgin, Pelin Yilmazbas
PURPOSE: To compare anterior segment measurements obtained using the Pentacam; Oculus, HR and the LenStar LS 900 in patients with newly diagnosed glaucoma. METHODS: Patients with ocular hypertension and primary open-angle glaucoma who had been treated with PGA were included in the study. Anterior segment measurements including central corneal thickness (CCT), keratometry, anterior chamber depth (ACD) and white-to-white (WTW) corneal diameter obtained with the optic low-coherent reflectometer (LenStar LS-900, Haag-Streit AG, Switzerland) and with the Scheimpflug system (Pentacam; Oculus, HR) were compared...
January 21, 2017: International Ophthalmology
https://www.readbyqxmd.com/read/28108900/a-case-study-of-ciliary-detachment-with-primary-pulmonary-hypertension
#19
Zhuolei Feng, Li Dong, Junxian Cao, Jie Bai, Ming-Ming Yang, Yi Zheng, Daohong Lin
PURPOSE: To introduce a case of ciliary detachment with primary pulmonary hypertension (PPH). METHODS: The clinical manifestations of a case of ciliary detachment with PPH were addressed by comprehensive examination including ultrasound biological microscope (UBM), intraocular pressure, color fundus photographs, fluorescence fundus angiography (FFA). In addition, echocardiography is used to measure primary pulmonary pressure. RESULTS: When the echocardiography displayed a systolic pulmonary arterial pressure of 106 mmHg, UBM exhibited ciliochoroidal detachment, as well as peripheral retinal effusion and non-perfusion areas in FFA...
January 21, 2017: International Ophthalmology
https://www.readbyqxmd.com/read/28108569/five-year-progression-of-unilateral-age-related-macular-degeneration-to-bilateral-involvement-the-three-continent-amd-consortium-report
#20
Nichole Joachim, Johanna Maria Colijn, Annette Kifley, Kristine E Lee, Gabriëlle H S Buitendijk, Barbara E K Klein, Chelsea E Myers, Stacy M Meuer, Ava G Tan, Elizabeth G Holliday, John Attia, Gerald Liew, Sudha K Iyengar, Paulus T V M de Jong, Albert Hofman, Johannes R Vingerling, Paul Mitchell, Caroline C W Klaver, Ronald Klein, Jie Jin Wang
PURPOSE: To assess the 5-year progression from unilateral to bilateral age-related macular degeneration (AMD) and associated risk factors. DESIGN: Pooled data analyses of three prospective population-based cohorts, the Blue Mountains Eye Study, Beaver Dam Eye Study and Rotterdam Study. METHODS: Retinal photography and interview with comprehensive questionnaires were conducted at each visit of three studies. AMD was assessed following the modified Wisconsin AMD grading protocol...
January 20, 2017: British Journal of Ophthalmology
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