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https://www.readbyqxmd.com/read/28645677/dry-eye-and-meibomian-gland-dysfunction-with-meibography-in-patients-with-lamellar-ichthyosis
#1
Melis Palamar, Irmak Karaca, Huseyin Onay, Ilgen Ertam, Ayse Yagci
PURPOSE: To evaluate the dry eye findings and Meibomian gland dysfunction as demonstrated with meibography in patients with lamellar ichthyosis. METHODS: Twenty-four eyes of 12 patients with lamellar ichthyosis (Group 1) and twenty-four eyes of 12 healthy individuals (Group 2) were enrolled. Comprehensive eye examination along with corneal and conjunctival fluorescein staining with Oxford scoring, tear film break-up time, Schirmer 1 test, ocular surface disease index (OSDI) score assessment, and evaluation of upper and lower eyelid Meibomian glands using infrared filter of slit-lamp biomicroscope (SL-D701, TOPCON, Tokyo, Japan) were performed...
June 20, 2017: Contact Lens & Anterior Eye: the Journal of the British Contact Lens Association
https://www.readbyqxmd.com/read/28643798/topical-administration-of-esculetin-as-a-potential-therapy-for-experimental-dry-eye-syndrome
#2
D Jiang, X Liu, J Hu
PurposeIn this study, we investigated the therapeutic effects of topical Esculetin for dry eye rabbits through the ocular tests, inflammatory factor levels and specific phosphorylated protein expressions of ERK1/2 singnal pathway.Patients and methodsThirty-two healthy adult male New Zealand white rabbits were chosen for the study. DES models were established after removing of the main lacrimal gland, Harderian gland and nictitating membrane in the left eyes and randomly divided into group DES control, group CsA, group Esculetin and group Esculetin combined with CsA (C&E), meanwhile the right eyes served as group Normal control...
June 23, 2017: Eye
https://www.readbyqxmd.com/read/28643708/residency-evaluation-and-adherence-design-study-young-ophthalmologists-perception-of-their-residency-programs-clinical-and-surgical-skills
#3
Parikshit Gogate, Partha Biswas, Sundaram Natarajan, Dandapani Ramamurthy, Debashish Bhattacharya, Karl Golnik, Barun Kumar Nayak
BACKGROUND: Residency training is the basis of good clinical and surgical practice. PURPOSE: The aim is to know the demographics, training experience, and perception of young ophthalmologists to improve the present residency programs in India. SETTING: Young ophthalmologists trained in India. METHODS: A survey was conducted by the Academic and Research Committee of the All India Ophthalmology Society, in 2014-2016 of young ophthalmologists (those trained between 2002 and 2012, with 2-10 years' postresidency experience) to gauge teaching of clinical and surgical skills during the postgraduate residency program...
June 2017: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/28639940/genetic-specification-of-left-right-asymmetry-in-the-diaphragm-muscles-and-their-motor-innervation
#4
Camille Charoy, Sarah Dinvaut, Yohan Chaix, Laurette Morlé, Isabelle Sanyas, Muriel Bozon, Karine Kindbeiter, Bénédicte Durand, Jennifer M Skidmore, Lies De Groef, Motoaki Seki, Lieve Moons, Christiana Ruhrberg, James F Martin, Donna M Martin, Julien Falk, Valerie Castellani
The diaphragm muscle is essential for breathing in mammals. Its asymmetric elevation during contraction correlates with morphological features suggestive of inherent left-right (L/R) asymmetry. Whether this asymmetry is due to L versus R differences in the muscle or in the phrenic nerve activity is unknown. Here, we have combined the analysis of genetically modified mouse models with transcriptomic analysis to show that both the diaphragm muscle and phrenic nerves have asymmetries, which can be established independently of each other during early embryogenesis in pathway instructed by Nodal, a morphogen that also conveys asymmetry in other organs...
June 22, 2017: ELife
https://www.readbyqxmd.com/read/28639666/conformational-landscape-of-the-sf6-dimer-as-revealed-by-high-resolution-infrared-spectroscopy-and-complexation-with-rare-gas-atoms
#5
Pierre Asselin, Alexey Potapov, Andrew C Turner, Vincent Boudon, Laurent Bruel, Marc-André Gaveau, Michel Mons
Taking advantage of a versatile set-up, combining pulsed pin hole or slit nozzle supersonic expansion with an external cavity quantum cascade laser, the rovibrational absorption spectrum of the SF6 dimer in the ν3 mode region has been revisited at high resolution under various experimental conditions in SF6:He mixtures. Two new rotationally resolved spectral bands have been identified in the range of the parallel band of the dimer spectrum in addition to that previously reported. Among these three spectral features, two of them are assigned to conformations of the dimer (noted #1 and #2), clearly distinguished from their different S-S interatomic distances, i...
June 22, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/28639250/regulation-of-nephrin-phosphorylation-in-diabetes-and-chronic-kidney-injury
#6
Benoit Denhez, Pedro Geraldes
Diabetes is the leading cause of microalbuminuria and end-stage renal failure in industrial countries. Disruption of the filtration barrier, seen in almost all nephrotic diseases and diabetes, is the result of the loss or effacement of the podocyte foot process, notably damage of proteins within the slit diaphragm such as nephrin. For many years, nephrin has been viewed as a structural component of the slit diaphragm. It is now well recognized that nephrin contains several tyrosine residues in its cytoplasmic domain, which influences the development of glomerular injury...
June 22, 2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/28638279/preventive-actions-of-allergen-immunotherapy-the-facts-and-the-effects-in-search-of-evidence
#7
REVIEW
Irene Martignago, Cristoforo Incorvaia, Erminia Ridolo
Allergen immunotherapy (AIT) is the only treatment that works on the causes of allergy. Available AIT nowadays are subcutaneous immunotherapy (SCIT) and sublingual immunotherapy (SLIT) for allergic rhinitis and asthma, while for allergy to Hymenoptera venom only subcutaneous route is recommended. A bulk of trials and meta-analyses demonstrated that efficacy and safety of AIT in decreasing allergic clinical symptoms and use of rescue medications, while its preventive capacity is yet under investigation. The most important of these effects is the prevention of potentially fatal anaphylactic reactions to Hymenoptera stings by venom immunotherapy (VIT)...
2017: Clinical and Molecular Allergy: CMA
https://www.readbyqxmd.com/read/28637263/nearly-nondiffracting-electron-lattice-beams-generated-by-polygonal-slits
#8
Hiroki Nambu, Yuuki Noguchi, Koh Saitoh, Masaya Uchida
A method for generating electron lattice beams carrying vortices using nanofabricated polygonal slits in a transmission electron microscope is proposed. Experimental and simulation study of the intensity of the beams verified their Bessel beam-like nearly nondiffracting behavior. Phase analysis using a diffractive imaging method found arrays of quantized vortices, forming an electron beam lattice with cylindrical intensity distribution in the propagation direction. Such vortex lattice beams may be used in a variety of applications including nanofabrication, particle manipulation or a new electron imaging method...
June 15, 2017: Microscopy
https://www.readbyqxmd.com/read/28636270/c-reactive-protein-and-progression-of-vision-loss-in-retinitis-pigmentosa
#9
Yusuke Murakami, Yasuhiro Ikeda, Shunji Nakatake, Kohta Fujiwara, Takashi Tachibana, Noriko Yoshida, Shoji Notomi, Toshio Hisatomi, Shigeo Yoshida, Tatsuro Ishibashi, Koh-Hei Sonoda
PURPOSE: Chronic inflammation is involved in retinitis pigmentosa (RP). We demonstrated previously that intraocular inflammatory levels, as measured by slit-lamp ophthalmoscopy or laser flare photometry, are inversely correlated with central visual function in patients with RP. Here, we investigated the relationship between serum high-sensitivity C-reactive protein (hs-CRP) and visual parameters in RP. METHODS: We studied 58 consecutive typical patients with RP <40 years old and 29 age- and gender-matched controls...
June 21, 2017: Acta Ophthalmologica
https://www.readbyqxmd.com/read/28634210/the-glycosylation-pathway-is-required-for-the-secretion-of-slit-and-for-the-maintenance-of-the-slit-receptor-robo-on-axons
#10
Mary Ann Manavalan, Vatsala Ruvini Jayasinghe, Rickinder Grewal, Krishna Moorthi Bhat
Slit proteins act as repulsive axon guidance cues by activating receptors of the Roundabout (Robo) family. During early neurogenesis in Drosophila melanogaster, Slit prevents the growth cones of longitudinal tract neurons from inappropriately crossing the midline, thus restricting these cells to trajectories parallel to the midline. Slit is expressed in midline glial cells, and Robo is present in longitudinal axon tracts and growth cones. We showed that the enzyme Mummy (Mmy) controlled Slit-Robo signaling through mechanisms that affected both the ligand and the receptor...
June 20, 2017: Science Signaling
https://www.readbyqxmd.com/read/28630794/a-case-of-presumed-tuberculosis-uveitis-with-occlusive-vasculitis-from-an-endemic-region
#11
Berna Başarır, Yalçın Karaküçük, Çiğdem Altan, Banu Şatana, Bulut Ocak, Aslı İnal
In this report, we present a case with presumed unilateral tuberculosis uveitis from an endemic region. A 23-year-old male presented with decreased vision in his left eye for 15 days. Visual acuities were 1.0 in his right eye and 0.3 in his left eye. Ophthalmologic examination was normal for the right eye. Slit-lamp examination revealed 2+ cells in the vitreous without anterior chamber reaction in his left eye. Fundus examination revealed occlusive vasculitis and granuloma. His history revealed that he had a respiratory infection with fever 3 months ago while visiting his native country, Rwanda, and was treated with non-specific antibiotic therapy...
June 2017: Turkish Journal of Ophthalmology
https://www.readbyqxmd.com/read/28630789/efficacy-of-intravitreal-bevacizumab-in-treatment-of-proliferative-type-2-idiopathic-juxtafoveal-telangiectasia
#12
Ökkeş Baz, İhsan Yılmaz, Cengiz Alagöz, Ali Demircan, İrfan Perente, Abdullah Özkaya, Muhittin Taşkapılı
OBJECTIVES: To evaluate the effectiveness of intravitreal bevacizumab (IVB) in patients with subretinal neovascularization secondary to type 2 juxtafoveal telangiectasia. MATERIALS AND METHODS: Ten eyes of 10 patients were included in this retrospective study. All cases were treated with IVB (1.25 mg bevacizumab). Visual acuity and slit-lamp anterior and posterior segment examinations were performed at each visit. Central macular thickness (CMT) and intraretinal/subretinal fluid were evaluated via spectral domain optical coherence tomography (OCT)...
June 2017: Turkish Journal of Ophthalmology
https://www.readbyqxmd.com/read/28629718/changes-in-podocyte-trpc-channels-evoked-by-plasma-and-sera-from-patients-with-recurrent-fsgs-and-by-putative-glomerular-permeability-factors
#13
Eun Young Kim, Hila Roshanravan, Stuart E Dryer
Primary forms of focal and segmental glomeruloslerosis (FSGS) are driven by circulating factors that cause dysfunction or loss podocytes. Rare genetic forms of FSGS can be caused by mutations in TRPC6, which encodes a Ca(2+)-permeable cationic channel expressed in mesangial cells and podocytes; and NPHS2, which encodes podocin, a TRPC6-binding protein expressed in podocyte slit diaphragm domains. Here we observed that exposing immortalized mouse podocytes to serum or plasma from recurrent FSGS patients for 24h increased the steady-state cell-surface abundance of TRPC6, accompanied by an increase in currents through endogenous TRPC6 channels evoked by a hypoosmotic stretch stimulus...
June 16, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28626819/comparison-of-bandage-contact-lens-removal-on-the-fourth-versus-seventh-postoperative-day-after-photorefractive-keratectomy-a-randomized-clinical-trial
#14
Mehrdad Mohammadpour, Delaram Shakoor, Hassan Hashemi, Mohamad Aghaie Meybodi, Fateme Rajabi, Pegah Hosseini
PURPOSE: To compare the outcomes of bandage contact lens (BCL) removal on the fourth versus seventh post-operative day following photorefractive keratectomy (PRK). METHODS: This study recruited eyes of patients who underwent PRK surgery. The patients were randomly assigned to 2 groups. In Group 1 BCL was removed on the 4th postoperative day, while in Group 2, BCL was removed on the 7th postoperative day. After BCL removal, patients were asked to express their pain score and eye discomfort...
June 2017: Journal of Current Ophthalmology
https://www.readbyqxmd.com/read/28625955/experiment-of-vitreous-liquefaction-induced-by-c3f8
#15
Jing Wang, Qiuming Li
To investigate the effect and safety of vitreous liquefaction induced by C3F8 (an inert gas) injected into vitreous cavit of rabbit eyes. 24 rabbits (48 eyes) were randomly divided into four groups, named group A, group B, group C and group D, with 6 rabbits in each group. The right eye in each rabbit was taken as the experimental eye while the left as the control eye. The experimental eyes in group A were injected with 0.1mL disinfectant air; the experimental eyes in group B, group C and group D were all injected with C3F8 0...
January 2017: Pakistan Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28622581/assessment-of-atherosclerotic-luminal-narrowing-of-coronary-arteries-based-on-morphometrically-generated-visual-guides
#16
Rolf F Barth, David A Kellough, Patricia Allenby, Luke E Blower, Scott H Hammond, Greg M Allenby, L Maximilian Buja
BACKGROUND AND AIMS: Determination of the degree of stenosis of atherosclerotic coronary arteries is an important part of postmortem examination of the heart, but, unfortunately, estimation of the degree of luminal narrowing can be imprecise and tends to be approximations. Visual guides can be useful to assess this, but earlier attempts to develop such guides did not employ digital technology. Using this approach, we have developed two computer-generated morphometric guides to estimate the degree of luminal narrowing of atherosclerotic coronary arteries...
May 30, 2017: Cardiovascular Pathology: the Official Journal of the Society for Cardiovascular Pathology
https://www.readbyqxmd.com/read/28621840/association-of-disease-specific-causes-of-visual-impairment-and-10-year-mortality-among-indigenous-australians-the-central-australian-ocular-health-study
#17
José Estevez, Georgia Kaidonis, Tim Henderson, Jamie E Craig, John Landers
IMPORTANCE: Visual impairment significantly impairs the length and quality of life but little is known of its impact in Indigenous Australians. BACKGROUND: To investigate the association of disease-specific causes of visual impairment with all-cause mortality. DESIGN: Retrospective cohort analysis. PARTICIPANTS: 1,347 Indigenous Australians aged over 40 years. METHODS: Participants visiting remote medical clinics underwent clinical examinations including visual acuity, subjective refraction and slit-lamp examination of the anterior and posterior segments...
June 16, 2017: Clinical & Experimental Ophthalmology
https://www.readbyqxmd.com/read/28619012/genetic-analysis-of-varicella-zoster-virus-in-the-aqueous-humor-in-uveitis-with-severe-hyphema
#18
Mayumi Hosogai, Yoko Nakatani, Kensuke Mimura, Shoji Kishi, Hideo Akiyama
BACKGROUND: Genetic variations have been identified in the genome of varicella-zoster virus (VZV) strains using vesicle fluid, varicella scabs and throat swab samples. We report a rare case of VZV-associated uveitis with severe hyphema, which was immediately diagnosed by polymerase chain reaction (PCR) using the aqueous humor, in which we were able to analyze the VZV genotype for the first time. CASE PRESENTATION: A 16-year-old Japanese boy was referred to our hospital with a 20-day history of unilateral anterior uveitis and 11-day history of hyphema...
June 15, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28618618/critical-behavior-of-the-two-dimensional-ising-model-with-a-slit
#19
Xintian Wu
The two-dimensional Ising model with a slit is studied. The slit free energy is defined, in which the bulk term, edge terms, and corner terms other than that of the slit are canceled. The bond propagation algorithm is used to calculate the free energy, internal energy, and heat capacity numerically. At the critical point, the slit free energy has a logarithmic correction L^{-1}lnL, in addition to the correction lnL, where L is the typical length of the system. The fitted coefficients of these terms agree with the conformal field theory very well...
May 2017: Physical Review. E
https://www.readbyqxmd.com/read/28615923/changes-in-meibomian-gland-morphology-and-ocular-higher-order-aberrations-in-eyes-with-chalazion
#20
Shima Fukuoka, Reiko Arita, Rika Shirakawa, Naoyuki Morishige
PURPOSE: To examine the changes in meibomian gland morphology and ocular higher-order aberrations (HOAs) in eyes with chalazion and its excision. METHODS: Seven male patients with previous history of chalazion excision and seven control male subjects were enrolled. Changes in meibomian gland morphology (meiboscores, gland dropout, and shortening) were evaluated by using meibography equipped in a wavefront analyzer KR-1W and in a slit-lamp device BG-4M. Ocular HOAs were measured sequentially with KR-1W...
2017: Clinical Ophthalmology
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