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https://www.readbyqxmd.com/read/28545054/an-optimized-small-animal-tumour-model-for-experimentation-with-low-energy-protons
#1
Elke Beyreuther, Kerstin Brüchner, Mechthild Krause, Margret Schmidt, Rita Szabo, Jörg Pawelke
BACKGROUND: The long-term aim of developing laser based particle acceleration towards clinical application requires not only substantial technological progress, but also the radiobiological characterization of the resulting ultra-short and ultra-intensive particle beam pulses. After comprehensive cell studies a mouse ear tumour model was established allowing for the penetration of low energy protons (~20 MeV) currently available at laser driven accelerators. The model was successfully applied for a first tumour growth delay study with laser driven electrons, whereby the need of improvements crop out...
2017: PloS One
https://www.readbyqxmd.com/read/28544249/37th-annual-david-w-smith-workshop-on-malformations-and-morphogenesis-abstracts-of-the-2016-annual-meeting
#2
Kim M Keppler-Noreuil, Julian A Martinez-Agosto, Louanne Hudgins, John C Carey
The 37th Annual David W. Smith Workshop on Malformations and Morphogenesis occurred on September 9th-14th, 2016 at the University of California-Los Angeles Conference Center in Lake Arrowhead, CA. The Workshop, which honors the legacy of David W. Smith, brought together clinicians and researchers interested in congenital malformations and their underlying mechanisms of morphogenesis. The Workshop highlighted five themes besides mechanisms of morphogenesis and New Syndromes: Neural Crestopathies, Mosaicism, Disorders of Skin Pigmentation, Therapies, and Ear Malformations and Hearing Loss...
May 24, 2017: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/28543808/comparison-of-two-methods-of-seminal-plasma-removal-on-buffalo-bubalus-bubalis-sperm-cryopreservation
#3
R S Albuquerque, R Morais, A N Reis, M S Miranda, Ear Dias, F M Monteiro, Ccp Paz, M Nichi, Gkv Kawai, Cpf Della'Aqua, F O Papa, R B Viana, L U Gimenes
Cryopreservation causes damage to spermatozoa, and methods minimizing this damage are therefore needed. Although much discussed, seminal plasma removal has become an alternative to improve sperm quality and viability after freezing and has been applied to different species in attempt to obtain good results. The objective of this study was to evaluate semen quality in buffaloes submitted to two methods for seminal plasma removal (filtration and centrifugation). Semen samples were collected from seven Murrah buffalo bulls (Bubalus bubalis) once a week for 8 weeks...
May 19, 2017: Reproduction in Domestic Animals, Zuchthygiene
https://www.readbyqxmd.com/read/28543437/the-adenoid-its-history-and-a-cautionary-tale
#4
Robert J Ruben
The existence of the adenoid first appears to have been noted by Conrad Victor Schneider in 1661. James Yearsley reported in 1842 one case in which he improved hearing by removal of a mucus membrane from behind the uvula, which indicates some appreciation of a relationship of the nasopharynx to ear disease. Hans Wilhelm Meyer, in 1868, was the first to demonstrate the relationship of the adenoid to ear disease and to develop an effective, although somewhat difficult, surgical operation to remove the adenoid...
June 2017: Laryngoscope
https://www.readbyqxmd.com/read/28543174/endoscopic-transcanal-approach-to-the-middle-ear-for-management-of-pediatric-cholesteatoma
#5
Saied Ghadersohi, John M Carter, Stephen R Hoff
OBJECTIVES: To describe outcomes for endoscopic ear surgery (EES) for pediatric cholesteatoma at a tertiary pediatric hospital. METHODS: Retrospective case series of 65 pediatric cholesteatoma cases in 38 ears. Subgrouping based on cholesteatoma type and EES type. Surgical findings, outcomes, and demographic data were evaluated. RESULTS: Endoscopes were used in 65 pediatric cholesteatoma cases in 38 primary ears (34 patients), followed for an average of 2...
May 23, 2017: Laryngoscope
https://www.readbyqxmd.com/read/28543040/automated-smartphone-audiometry-validation-of-a-word-recognition-test-app
#6
Nicholas A Dewyer, Patpong Jiradejvong, Jennifer Henderson Sabes, Charles J Limb
OBJECTIVES/HYPOTHESIS: Develop and validate an automated smartphone word recognition test. STUDY DESIGN: Cross-sectional case-control diagnostic test comparison. METHODS: An automated word recognition test was developed as an app for a smartphone with earphones. English-speaking adults with recent audiograms and various levels of hearing loss were recruited from an audiology clinic and were administered the smartphone word recognition test...
May 23, 2017: Laryngoscope
https://www.readbyqxmd.com/read/28542849/ear-bolster-button
#7
Laura Garcia-Rodriguez, Lamont Jones
No abstract text is available yet for this article.
May 20, 2017: Laryngoscope
https://www.readbyqxmd.com/read/28542481/effect-of-hyperbaric-oxygen-on-bdnf-release-and-neuroprotection-investigations-with-human-mesenchymal-stem-cells-and-genetically-modified-nih3t3-fibroblasts-as-putative-cell-therapeutics
#8
Jennifer Schulze, Odett Kaiser, Gerrit Paasche, Hans Lamm, Andreas Pich, Andrea Hoffmann, Thomas Lenarz, Athanasia Warnecke
Hyperbaric oxygen therapy (HBOT) is a noninvasive widely applied treatment that increases the oxygen pressure in tissues. In cochlear implant (CI) research, intracochlear application of neurotrophic factors (NTFs) is able to improve survival of spiral ganglion neurons (SGN) after deafness. Cell-based delivery of NTFs such as brain-derived neurotrophic factor (BDNF) may be realized by cell-coating of the surface of the CI electrode. Human mesenchymal stem cells (MSC) secrete a variety of different neurotrophic factors and may be used for the development of a biohybrid electrode in order to release endogenously-derived neuroprotective factors for the protection of residual SGN and for a guided outgrowth of dendrites in the direction of the CI electrode...
2017: PloS One
https://www.readbyqxmd.com/read/28542017/children-with-single-sided-deafness-use-their-cochlear-implant
#9
Melissa Jane Polonenko, Blake Croll Papsin, Karen Ann Gordon
OBJECTIVES: To assess acceptance of a cochlear implant (CI) by children with single-sided deafness (SSD) as measured by duration of CI use across daily listening environments. DESIGN: Datalogs for 7 children aged 1.1 to 14.5 years (mean ± SD: 5.9 ± 5.9 years old), who had SSD and were implanted in their deaf ear, were anonymized and extracted from their CI processors. Data for all available follow-up clinical appointments were included, ranging from two to six visits...
May 24, 2017: Ear and Hearing
https://www.readbyqxmd.com/read/28541877/erythromelalgia-involving-the-face
#10
Rachel R Gilmore, Danielle S Applebaum, Jessica L Parsons, Sylvia Hsu
Erythromelalgia is a rare disorder characterized by burning pain, erythema, and increased temperature typically involving the distal extremities. Although it can progress to involve the face, erythromelalgia presenting only on the face is particularly rare. This disorder is often misdiagnosed when it presents on the extremities and is even more likely to be misdiagnosed when presenting only on the face, delaying appropriate treatment and causing considerable frustration for the patient. We report a case of a 26-year-old woman with erythromelalgia that involved only the face for a number of years and was treated unsuccessfully as rosacea, seborrheic dermatitis, and contact dermatitis...
April 15, 2017: Dermatology Online Journal
https://www.readbyqxmd.com/read/28541783/cyclosporine-causes-no-hearing-defect-in-paediatric-patients-with-nephrotic-syndrome
#11
Belde Kasap-Demir, Derya Özmen, Günay Kırkım, Ersoy Doğan, Alper Soylu, Bülent Şerbetçioğlu, Salih Kavukçu
OBJECTIVE: We aimed to evaluate the ototoxicity of cyclosporine A (CsA) in children with nephrotic syndrome (NS). DESIGN: Data of paediatric patients with NS followed in paediatric nephrology department were evaluated retrospectively, and hearing functions were evaluated by pure tone audiometry (PTA) and transient evoked otoacoustic emissions (TEOAEs). Age, gender, type of NS, duration and cumulative doses of immunosuppressives were noted. STUDY SAMPLE: The patients who had received CsA (n: 16) and immunosuppressives other than CsA (n: 13) for at least 6 months formed two patient groups and healthy cases formed a control group (n: 20)...
May 25, 2017: International Journal of Audiology
https://www.readbyqxmd.com/read/28541523/attraction-of-the-euwallacea-sp-near-fornicatus-coleoptera-curculionidae-to-quercivorol-and-to-infestations-in-avocado
#12
John A Byers, Yonatan Maoz, Anat Levi-Zada
The Euwallacea sp. near fornicatus (Euwallacea sp. 1 hereafter) feeds on many woody shrubs and trees and is a pest of avocado, Persea americana Mill., in several countries including Israel and the United States. Quercivorol baits are commercially available for Euwallacea sp. 1 females (males do not fly), but their attractive strength compared to other pheromones and potential for mass trapping are unknown. We used sticky traps baited with quercivorol released at 0.126 mg/d (1×) and at 0.01×, 0.1×, and 10× relative rates to obtain a dose-response curve of Euwallacea sp...
May 24, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/28541242/diagnostic-evaluation-of-neck-torsion-test-in-objective-examination-in-patients-with-vertigo-and-or-hearing-impairment
#13
Piotr Niewiadomski, Marzena Bielińska, Piotr Pietkiewicz, Jurek Olszewski
INTRODUCTION: HASH(0x41a0a60) INTRODUCTION: The aim of the study was to evaluate the neck torsion test in objective examinations of patients with vertigo and/or hearing loss. MATERIAL AND METHODS: The study was conducted in 100 patients, including 54 women and 46 men aged 17-79 years, who were divided into two groups: I - 50 patients, including 30 women and 20 men aged 17-79 years (mean age 49.92 years) with dizziness and/or hearing impairments, and confirmed asymmetry of intracranial vessels, II - 50 patients - control group, including 24 women and 26 men aged 20-71 years without dizziness and/or hearing disorders and without disturbance in the construction of intracranial vessels...
June 30, 2017: Otolaryngologia Polska
https://www.readbyqxmd.com/read/28541000/validation-of-the-korean-version-of-the-spatial-hearing-questionnaire-for-assessing-the-severity-and-symmetry-of-hearing-impairment
#14
Tae Hoon Kong, Yoon Ah Park, Jeong Pyo Bong, Sang Yoo Park
PURPOSE: Spatial hearing refers to the ability to understand speech and identify sounds in various environments. We assessed the validity of the Korean version of the Spatial Hearing Questionnaire (K-SHQ). MATERIALS AND METHODS: We performed forward translation of the original English SHQ to Korean and backward translation from the Korean to English. Forty-eight patients who were able to read and understand Korean and received a score of 24 or higher on the Mini-Mental Status Examination were included in the study...
July 2017: Yonsei Medical Journal
https://www.readbyqxmd.com/read/28540514/the-effectiveness-of-myringotomy-and-ventilation-tube-insertion-versus-observation-in-post-radiation-otitis-media-with-effusion
#15
Paninee Charusripan, Likhit Khattiyawittayakun
To compare the effectiveness of myringotomy and ventilation tube insertion versus observation in post-radiation otitis media with effusion (OME) in nasopharyngeal carcinoma (NPC). NPC patients who finished radiotherapy and had persistent OME were randomized to myringotomy and ventilation tube insertion and observation groups. The resolution rate of OME and hearing outcomes were evaluated. Forty three patients (23 in control group and 20 in intervention group) were analyzed. One patient in the control group obtained a resolution of OME...
May 24, 2017: European Archives of Oto-rhino-laryngology
https://www.readbyqxmd.com/read/28540513/utility-of-3d-printed-temporal-bones-in-pre-surgical-planning-for-complex-bonebridge-cases
#16
Payal Mukherjee, Kai Cheng, Sean Flanagan, Simon Greenberg
With the advent of single-sided hearing loss increasingly being treated with cochlear implantation, bone conduction implants are reserved for cases of conductive and mixed hearing loss with greater complexity. The BoneBridge (BB, MED-EL, Innsbruck, Austria) is an active fully implantable device with no attenuation of sound energy through soft tissue. However, the floating mass transducer (FMT) part of the device is very bulky, which limits insertion in complicated ears. In this study, 3D printed temporal bones of patients were used to study its utility in preoperative planning on complicated cases...
May 24, 2017: European Archives of Oto-rhino-laryngology
https://www.readbyqxmd.com/read/28540363/body-weight-and-scrotal-testicular-biometry-in-three-indigenous-breeds-of-bucks-in-arid-and-semiarid-agroecologies-ethiopia
#17
Amare Eshetu Gemeda, Kefelegn Workalemahu
The body weight and testicular and epididymal parameters of Afar, Long-eared Somali (LES), and Woyto-Guji (WG) breeds of goat were investigated. A total of 405 randomly selected bucks of Afar (n = 135), Long-eared Somali (n = 135), and Woyto-Guji (n = 135) were included in this study. The overall mean scrotal circumference (SC), testicular volume (TV), testicular length (TL), testicular weight (TW), body weight (BW), epididymal weight (EW), body condition score, and testicular diameter (TD) measurements in all bucks were 20...
2017: Journal of veterinary medicine
https://www.readbyqxmd.com/read/28539839/ppard-is-an-inhibitor-of-cartilage-growth-in-external-ears
#18
Zhen Zhang, Yanyu Duan, Zhongping Wu, Hui Zhang, Jun Ren, Lusheng Huang
Peroxisome proliferator-activated receptor beta/delta (PPARD) is an important determinant of multiple biological processes. Our previous studies identified a missense mutation in the PPARD gene that significantly reduces its transcription activity, and consequently causes enlarged external ears in pigs. However, the mechanisms underlying the causality has remained largely unknown. Here, we show that PPARD retards the development of auricular cartilage by accelerating the apoptosis of cartilage stem/progenitor cells (CSPCs), the terminal differentiation of cartilage cells and the degradation of cartilage extracellular matrix in the auricle...
2017: International Journal of Biological Sciences
https://www.readbyqxmd.com/read/28539710/anti-inflammatory-effects-of-kotmin13-a-mixed-herbal-medicine-in-lps-stimulated-raw-264-7-cells-and-mouse-edema-models
#19
Eujin Lee, Sun-Gun Kim, Na-Young Park, Hyo-Hyun Park, Kyu-Tae Jeong, Jongkeun Choi, In-Hae Lee, Hwadong Lee, Eunkyung Lee
BACKGROUND: A Korean herbal medicine, KOTMIN13, composed of Inula japonica Thunberg, Trichosanthes kirilowii Maximowicz var. japonica kitamura, Peucedanum praeruptorum Dunn, and Allium macrostemon Bge, has been used for anti-allergic and anti-asthmatic treatment in oriental clinics, but its activity has not been investigated. MATERIALS AND METHODS: To evaluate the anti-inflammatory activity of KOTMIN13 for in vitro study, LPS-stimulated RAW 264.7 cells were used to induce the production and expression of inflammatory mediators and its mechanisms...
April 2017: Pharmacognosy Magazine
https://www.readbyqxmd.com/read/28539252/the-outcomes-of-overlay-myringoplasty-endoscopic-versus-microscopic-approach
#20
Yuvatiya Plodpai, Nanatphong Paje
PURPOSE: To investigate the outcomes of overlay myringoplasty by comparing the endoscopic versus the microscopic approach. MATERIALS AND METHODS: This is a retrospective comparative study of 181 patients who underwent myringoplasty with overlay techniques between January 2010 and 2016 at Songklanagarind Hospital, Thailand. Group 1 underwent an endoscopic-assisted (n=90), and group 2 underwent the microscopic-assisted (n=91) overlay myringoplasty. The outcomes were graft take rates, the audiometric results, the need of canalplasty, complications and operative time...
May 9, 2017: American Journal of Otolaryngology
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