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https://www.readbyqxmd.com/read/28220619/the-palatal-interpterygoid-vacuities-of-temnospondyls-and-the-implications-for-the-associated-eye-and-jaw-musculature
#1
Florian Witzmann, Ingmar Werneburg
A diagnostic feature of temnospondyls is the presence of an open palate with large interpterygoid vacuities, unlike the closed palate of most other early tetrapods, in which the vacuities are either slit-like or completely absent. Attachment sites on neurocranium and palatal bones in temnospondyls allow the reconstruction of a powerful m. retractor bulbi and a large, sheet-like m. levator bulbi that formed the elastic floor of the orbit. This muscle arrangement indicates that temnospondyls were able to retract the eyeballs through the interpterygoid vacuities into the buccal cavity, like extant frogs and salamanders...
February 21, 2017: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
https://www.readbyqxmd.com/read/28218302/nonlinear-infrared-spectroscopy-free-from-spectral-selection
#2
Anna Paterova, Shaun Lung, Dmitry A Kalashnikov, Leonid A Krivitsky
Infrared (IR) spectroscopy is an indispensable tool for many practical applications including material analysis and sensing. Existing IR spectroscopy techniques face challenges related to the inferior performance and the high cost of IR-grade components. Here, we develop a new method, which allows studying properties of materials in the IR range using only visible light optics and detectors. It is based on the nonlinear interference of entangled photons, generated via Spontaneous Parametric Down Conversion (SPDC)...
February 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28217432/cost-effectiveness-of-grass-pollen-scit-compared-with-slit-and-symptomatic-treatment
#3
Thomas Reinhold, Bernd Brüggenjürgen
BACKGROUND: Whereas specific immunotherapy (SIT) has already been shown to be cost-effective in the treatment of allergic rhinitis compared with symptomatic treatment, only a small number of investigations have compared sublingual (SLIT) and subcutaneous (SCIT) immunotherapeutic approaches. This analysis discusses the cost-effectiveness of SCIT compared with SLIT and a symptomatic treatment modality. At the same time, particular attention is paid to preparation-specific characteristics...
2017: Allergo Journal International
https://www.readbyqxmd.com/read/28217166/multifocal-myoclonus-as-a-heralding-manifestation-of-wilson-disease
#4
Rajesh Verma, Vikram V Holla, Suchit Pandey, Imran Rizvi
Wilson disease (WD) is one of the few curable movement disorders that manifests with varied presentations so that WD needs to be considered in any patient with a movement disorder under the age of 50 years. Although WD is one of the causes of myoclonus, it is rarely seen in WD and usually as an associated finding. We report a case of an adolescent female patient of WD who presented with cortical multifocal myoclonus of 6-month duration with later development of generalized dystonia, extrapyramidal syndrome, and cognitive decline...
October 2016: Journal of Pediatric Neurosciences
https://www.readbyqxmd.com/read/28213675/-adherence-in-specific-immunotherapy
#5
REVIEW
M-L Lemberg, M-J Joisten, R Mösges
Allergies are steadily gaining in importance in the Western world. For over one hundred years, immunology has been the only causal treatment. Specific immunotherapy (SIT) aims at the cure of allergy or at least freedom from allergy symptoms. In association with this, adherence poses a complex problem. Both treatment applications commonly used in Germany-sublingual and subcutaneous immunotherapy-show poor persistence on the part of the patients. In most cases, SIT is not carried out to the end of the recommended duration and instead is discontinued prematurely...
February 17, 2017: Der Hautarzt; Zeitschrift Für Dermatologie, Venerologie, und Verwandte Gebiete
https://www.readbyqxmd.com/read/28212178/the-long-journey-through-renal-filtration-new-pieces-in-the-puzzle-of-slit-diaphragm-architecture
#6
Sara Conti, Luca Perico, Florian Grahammer, Tobias B Huber
PURPOSE OF REVIEW: The podocyte slit diaphragm is probably the least understood component of the kidney filtration barrier. In this review, we aim to integrate the most recent findings on the molecular make-up and structural architecture of this specialized cell-cell junction into a current concept of glomerular filtration. RECENT FINDINGS: Analysis of cryopreserved mammalian tissue revealed a bipartite composition of the slit diaphragm. Single NEPH1 molecules span the lower part of the slit close to the glomerular basement membrane whereas NEPHRIN molecules are positioned in the apical part toward Bowman's space...
February 16, 2017: Current Opinion in Nephrology and Hypertension
https://www.readbyqxmd.com/read/28210719/clogging-transition-induced-by-self-filtration-in-a-slit-pore
#7
B Dersoir, A B Schofield, H Tabuteau
Particles that flow through porous environments like soils, inside a filter or within our arteries, often lead to pore clogging. Even though tremendous efforts have been made in analysing this to circumvent this issue, the clog formation and its dynamics remain poorly understood. Coupling two experimental techniques, we elucidate the clogging mechanism at the particle scale of a slit pore with its height slightly larger than the particle diameter. We identify all the particle deposition modes during the clog formation and accurately predict the corresponding deposition rate...
February 17, 2017: Soft Matter
https://www.readbyqxmd.com/read/28210183/intraocular-lens-power-overestimation-in-a-patient-with-history-of-circling-keratorraphy
#8
Vasilios F Diakonis, Nilufer Yesilirmak, George D Kymionis, Sonia H Yoo
We report a case of cataract extraction and intraocular lens (IOL) power overestimation in a patient with history of hyperopia managed with circling keratorraphy. A 65-year-old female presented to our institute complaining of decreased vision in both eyes. The patient had a history of bilateral hyperopia that was managed 20 years ago (1994) with circling keratorraphy. At presentation her uncorrected distance visual acuity (UDVA) was 20/70 and 20/60 in her right eye (OD) and left eye (OS), respectively, while her corrected distance visual acuity (CDVA) was 20/25 OD and 20/25 OS with manifest refraction of -0...
July 2016: Saudi Journal of Ophthalmology: Official Journal of the Saudi Ophthalmological Society
https://www.readbyqxmd.com/read/28207431/successful-medical-management-of-presumptive-pythium-insidiosum-keratitis
#9
Muralidhar Ramappa, Ritu Nagpal, Savitri Sharma, Sunita Chaurasia
PURPOSE: To describe the previously unreported successful treatment of presumptive Pythium keratitis (PK) with medical therapy alone. METHODS: A 42-year-old female homemaker presented to us with a 15-day history of pain and redness in the right eye after a trivial injury. Her vision was 20/80 at presentation. Slit-lamp biomicroscopy revealed a central, dense and dry-looking, grayish-white infiltrate reaching mid stroma. The infiltrate had feathery margins and was surrounded by multiple tentacle-like lesions and peripherally expanding pinhead-sized subepithelial lesions...
February 15, 2017: Cornea
https://www.readbyqxmd.com/read/28203200/late-onset-inadvertent-bleb-formation-following-pars-plana-m3-molteno-implant-tube-obstruction
#10
Anmar M Abdul-Rahman, Anthony Molteno
PURPOSE: To report a case of inadvertent bleb formation presenting 18 months after pars plana M3 Molteno implant tube obstruction in a patient with mixed mechanism glaucoma. MATERIALS AND METHODS: An 84-year-old Caucasian male with mixed mechanism glaucoma underwent slit-lamp examination, gonioscopy, colour anterior segment photography and anterior segment optical coherence tomography (AS-OCT). RESULTS: An inadvertent bleb developed 18 months after pars plana implant tube re-positioning with a 6/0 Vicryl tie ligature...
January 2017: Case Reports in Ophthalmology
https://www.readbyqxmd.com/read/28203189/a-mystery-of-bilateral-annular-choroidal-and-exudative-retinal-detachment-with-no-systemic-involvement-is-it-part-of-vogt-koyanagi-harada-disease-spectrum-or-a-new-entity
#11
Ibrahim Elaraoud, Walter Andreatta, Li Jiang, Kenan Damer, Jalil Al-Ibrahim
A 65-year-old Caucasian male presented to the eye emergency department with bilateral significant visual loss. He was otherwise healthy with no significant past medical history. Ophthalmic history was significant for chronic open-angle glaucoma, for which the patient was using latanoprost once daily to both eyes. There was no preceding history of trauma or ocular surgery and the patient was emmetropic. Two weeks prior to his presentation, he reported a headache, which settled spontaneously. Slit-lamp examination demonstrated bilateral keratic precipitates, bilateral significantly shallow anterior chamber, and bilaterally normal intraocular pressures of 16 mm Hg...
January 2017: Case Reports in Ophthalmology
https://www.readbyqxmd.com/read/28199316/knoetschkesuchus-langenbergensis-gen-nov-sp-nov-a-new-atoposaurid-crocodyliform-from-the-upper-jurassic-langenberg-quarry-lower-saxony-northwestern-germany-and-its-relationships-to-theriosuchus
#12
Daniela Schwarz, Maik Raddatz, Oliver Wings
We report a new, small-sized atoposaurid crocodyliform from the Upper Jurassic of Langenberg, Northeastern Germany. Atoposaurids are small-sized Mesozoic crocodyliforms of mainly European distribution, which are considered to be phylogenetically close to the origin of Eusuchia. Knoetschkesuchus langenbergensis gen. nov. sp. nov. is represented by two well-preserved skulls and additional cranial and postcranial remains representing different ontogenetic stages. 3D reconstructions of a juvenile skull based on micro-computed tomography allow the most detailed description of cranial remains of any atoposaurid hitherto presented...
2017: PloS One
https://www.readbyqxmd.com/read/28196403/morphologic-patterns-formed-by-the-anomalous-fibers-occurring-along-the-anterior-capsule-of-the-crystalline-lens-in-people-with-the-long-anterior-zonule-trait
#13
Daniel K Roberts, Yongyi Yang, Christina E Morettin, Tricia L Newman, Mary F Roberts, Jacob T Wilensky
People with the long anterior zonule (LAZ) trait, which may have prevalence near 2%, have zonular fibers that extend more central than usual along the anterior capsule of the crystalline lens. The anomalous fibers can be observed in vivo with clinical slit lamp biomicroscopy after pharmacologic pupil dilation, and although minimally studied, the LAZ trait may have importance to glaucoma, retinal degeneration, and cataract surgery. In order to further characterize LAZ morphology, a custom computer program was used to trace LAZ fibers seen on retro-illumination photos acquired during previous study at an academic, urban eye care facility in Chicago, IL, USA...
February 14, 2017: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
https://www.readbyqxmd.com/read/28192468/matrix-metalloproteinases-are-required-for-membrane-motility-and-lumenogenesis-during-drosophila-heart-development
#14
Qanber S Raza, Jessica L Vanderploeg, J Roger Jacobs
Matrix Metalloproteinases (Mmps) degrade glycoproteins and proteoglycans of the extracellular matrix (ECM) or cell surface and are crucial for morphogenesis. Mmps and their inhibitors are expressed during early stages of cardiac development in vertebrates and expression is altered in multiple congenital cardiomyopathies such as cardia bifida. Drosophila genome encodes two copies of Mmps, Mmp1 and Mmp2 whereas in humans up to 25 Mmps have been identified with overlapping functions. We investigated the role of Mmps during embryonic heart development in Drosophila, a process which is morphogenetically similar to early heart tube formation in vertebrates...
2017: PloS One
https://www.readbyqxmd.com/read/28191819/snapshot-linear-stokes-imaging-spectropolarimeter-using-division-of-focal-plane-polarimetry-and-integral-field-spectroscopy
#15
Tingkui Mu, Shaun Pacheco, Zeyu Chen, Chunmin Zhang, Rongguang Liang
In this paper, the design and experimental demonstration of a snapshot linear-Stokes imaging spectropolarimeter (SLSIS) is presented. The SLSIS, which is based on division-of-focal-plane polarimetry with four parallel linear polarization channels and integral field spectroscopy with numerous slit dispersive paths, has no moving parts and provides video-rate Stokes-vector hyperspectral datacubes. It does not need any scanning in the spectral, spatial or polarization dimension and offers significant advantages of rapid reconstruction without heavy computation during post-processing...
February 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28190799/short-lived-non-coding-transcripts-slits-clues-to-regulatory-long-non-coding-rna
#16
Hidenori Tani
Whole transcriptome analyses have revealed a large number of novel long non-coding RNAs (lncRNAs). Although the importance of lncRNAs has been documented in previous reports, the biological and physiological functions of lncRNAs remain largely unknown. The role of lncRNAs seems an elusive problem. Here, I propose a clue to the identification of regulatory lncRNAs. The key point is RNA half-life. RNAs with a long half-life (t1/2 > 4 h) contain a significant proportion of ncRNAs, as well as mRNAs involved in housekeeping functions, whereas RNAs with a short half-life (t1/2 < 4 h) include known regulatory ncRNAs and regulatory mRNAs...
February 13, 2017: Drug Discoveries & Therapeutics
https://www.readbyqxmd.com/read/28188019/qualitative-analysis-of-repaired-filtering-blebs-with-anterior-segment-optical-coherence-tomography
#17
M Cerdà-Ibáñez, V T Pérez-Torregrosa, A Olate-Pérez, I Almor Palacios, A Gargallo-Benedicto, V Osorio-Alayo, A Barreiro Rego, A Duch-Samper
OBJECTIVE: To provide a qualitative analysis of filtering blebs after being surgically repaired due to late blebs leaks. METHODS: Blebs were studied 6 months after surgical reparation using AS-OCT Triton (Topcon(®)). An analysis was made of the morphological pattern and internal structures of blebs, including the covering, in 10 patients. The images were obtained using OCTs at a wavelength of 1050nm. RESULTS: According to the Hirooka classification, three different patterns were found in the structure of blebs, which made it possible to correlate them with their functionality...
February 7, 2017: Archivos de la Sociedad Española de Oftalmología
https://www.readbyqxmd.com/read/28186157/top-down-decoupled-control-of-constitutive-parameters-in-electromagnetic-metamaterials-with-dielectric-resonators-of-internal-anisotropy
#18
Sukmo Koo, Daniel R Mason, Yunjung Kim, Namkyoo Park
A meta-atom platform providing decoupled tuning for the constitutive wave parameters remains as a challenging problem, since the proposition of Pendry. Here we propose an electromagnetic meta-atom design of internal anisotropy (εr ≠ εθ), as a pathway for decoupling of the effective- permittivity εeff and permeability μeff. Deriving effective parameters for anisotropic meta-atom from the first principles, and then subsequent inverse-solving the obtained decoupled solution for a target set of εeff and μeff, we also achieve an analytic, top-down determination for the internal structure of a meta-atom...
February 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28182329/perceived-compliance-and-barriers-to-care-in-sublingual-immunotherapy
#19
Manvinder S Kumar, Melissa S Oh, Brittany Leader, Melissa Rotella, Leisa Stillman, John M DelGaudio, Sarah K Wise
BACKGROUND: For allergy immunotherapy to be effective, patient compliance is critical. However, aqueous sublingual immunotherapy (SLIT) may be considered demanding for patients, requiring strict daily dosing and refilling of medication at regular intervals. In this study we sought to determine how patients perceive their own compliance with SLIT and identify barriers that may hinder compliance. METHODS: Using a retrospective review, 46 patients currently undergoing aqueous SLIT were identified to have less-than-excellent compliance based on frequency of clinic visits for SLIT refills...
February 9, 2017: International Forum of Allergy & Rhinology
https://www.readbyqxmd.com/read/28182299/tentacle-structure-in-freshwater-bryozoans
#20
Yuta Tamberg, Natalia Shunatova
Tentacles are the main food-gathering organs of bryozoans. The most common design is a hollow tube of extracellular matrix (ECM), covered with ten columns of epithelial cells on the outside, and a coelothelium on the inside. Nerves follow the ECM, going between the bases of some epidermal cells. The tentacle musculature includes two bundles formed by myoepithelial cells of the coelothelium. The tentacles of freshwater (phylactolaemate) bryozoans, however, differ somewhat in structure from those of marine bryozoans...
February 9, 2017: Journal of Morphology
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