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https://www.readbyqxmd.com/read/28432290/a-tongue-for-all-seasons-extreme-phenotypic-flexibility-in-salamandrid-newts
#1
Egon Heiss, Stephan Handschuh, Peter Aerts, Sam Van Wassenbergh
Many organisms faced with seasonally fluctuating abiotic and biotic conditions respond by altering their phenotype to account for the demands of environmental changes. Here we discovered that newts, which switch seasonally between an aquatic and terrestrial lifestyle, grow a complex adhesive system on their tongue pad consisting of slender lingual papillae and mucus-producing cells to increase the efficiency of prey capture as they move from water onto land. The adhesive system is reduced again as newts switch back to their aquatic stage, where they use suction to capture prey...
April 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28431576/enhanced-neuroinvasion-by-smaller-soluble-prions
#2
Cyrus Bett, Jessica Lawrence, Timothy D Kurt, Christina Orru, Patricia Aguilar-Calvo, Anthony E Kincaid, Witold K Surewicz, Byron Caughey, Chengbiao Wu, Christina J Sigurdson
Infectious prion aggregates can propagate from extraneural sites into the brain with remarkable efficiency, likely transported via peripheral nerves. Yet not all prions spread into the brain, and the physical properties of a prion that is capable of transit within neurons remain unclear. We hypothesized that small, diffusible aggregates spread into the CNS via peripheral nerves. Here we used a structurally diverse panel of prion strains to analyze how the prion conformation impacts transit into the brain. Two prion strains form fibrils visible ultrastructurally in the brain in situ, whereas three strains form diffuse, subfibrillar prion deposits and no visible fibrils...
April 21, 2017: Acta Neuropathologica Communications
https://www.readbyqxmd.com/read/28424896/maximum-tongue-pressure-is-associated-with-swallowing-dysfunction-in-als-patients
#3
Aya Hiraoka, Mineka Yoshikawa, Masahiro Nakamori, Naohisa Hosomi, Toshikazu Nagasaki, Takahiro Mori, Masaya Oda, Hirofumi Maruyama, Mitsuyoshi Yoshida, Yuishin Izumi, Masayasu Matsumoto, Kazuhiro Tsuga
Maximum tongue pressure (MTP) measurement is a convenient, less invasive assessment that has been developed to quantify tongue strength; however, it is unclear whether MTP is useful for the detection of swallowing disorders in amyotrophic lateral sclerosis (ALS) patients. The purpose of this study was to clarify the relationship between MTP and the characteristics of swallowing disorders on videofluorography and to determine the usefulness of tongue pressure measurement for the assessment of swallowing function in ALS patients...
April 19, 2017: Dysphagia
https://www.readbyqxmd.com/read/28424735/tongue-necrosis-secondary-to-giant-cell-arteritis-a-case-report-and-literature-review
#4
Rafael Alex Barbosa de Siqueira Sobrinho, Karolina Cayres Alvino de Lima, Helena Carvalho Moura, Mônica Modesto Araújo, Christyanne Maria Rodrigues Barreto de Assis, Pedro Alves da Cruz Gouveia
Giant cell arteritis is a form of vasculitis involving the medium- and large-sized arteries that chiefly affects older people. Clinical findings are headache, jaw claudication, fever, pain, and thickening of the temporal artery. The most feared complication is visual loss due to impairment of the ophthalmic artery and posterior ciliary arteries. This a case report of an 85-year-old male presenting with headache and jaw pain, who was admitted with tongue necrosis as an initial manifestation of giant cell arteritis...
2017: Case Reports in Medicine
https://www.readbyqxmd.com/read/28422650/joint-magnetic-calibration-and-localization-based-on-expectation-maximization-for-tongue-tracking
#5
Jun Lu, Zhongtao Yang, Klaus Okkelberg, Maysam Ghovanloo
BACKGROUND: Tongue tracking, which helps researchers gain valuable insights into speech mechanism, has many applications in speech therapy and language learning. The wireless localization technique, which involves tracking a small magnetic tracer within the 3-D oral space, provides a low cost and convenient approach to capture tongue kinematics. In practice, this technique requires accurate calibration of 3-axial magnetic sensors used in the tracking system. The data-driven calibration depends on the trajectories of magnetic tracer and the ambient noise, which may change across time and space...
April 12, 2017: IEEE Transactions on Bio-medical Engineering
https://www.readbyqxmd.com/read/28422366/oral-paracoccidioidomycosis-retrospective-analysis-of-55-brazilian-patients
#6
Aline Heloísa Trindade, Henrique Côrtes Meira, Igor Figueiredo Pereira, Julio César Tanos de Lacerda, Ricardo Alves de Mesquita, Vagner Rodrigues Santos
Paracoccidioidomycosis (PCM) is a rare fungal infection in the world, but endemic and acquired exclusively in Latin America, with the highest prevalence in South America and Brazil, particularly. Changes in oral cavity are common and constitute the first clinical manifestation in many patients. The aim of this study was to describe the prevalence of oral PCM and analyse the profile of the disease and patients. Retrospective research, consisting of information present in the medical records in the period 1998-2015, whose histopathological diagnosis was oral PCM...
April 19, 2017: Mycoses
https://www.readbyqxmd.com/read/28421728/oral-pigmentations-in-physiologic-conditions-post-inflammatory-affections-and-systemic-diseases
#7
Martina Lambertini, Annalisa Patrizi, Giulia M Ravaioli, Emi Dika
Melanocytes are found throughout the oral mucosa but usually go unnoticed because of their relatively low level of pigment production. When focally or generally active in pigment production or proliferation they may be responsible for several affections in the oral mucosae ranging from physiologic pigmentation, systemic diseases to malignant neoplasms. The diagnosis of oral pigmentations (OP) is usually challenging for the physician, but a careful examination of the oral cavity may reveal the first manifestation of underlying systemic diseases...
April 19, 2017: Giornale Italiano di Dermatologia e Venereologia: Organo Ufficiale, Società Italiana di Dermatologia e Sifilografia
https://www.readbyqxmd.com/read/28419671/pediatric-oral-injuries-presented-to-a-japanese-pediatric-emergency-room
#8
Nobuaki Inoue
BACKGROUND: Oral injuries are common among children, but the study comparing oral injuries between oral injuries with foreign objects in children's mouth and without objects is limited. The aim of this study is to compare injury patterns and their effects to children who presented to a Japanese pediatric emergency room (ER) with and without foreign objects in their mouth. METHODS: Children who were brought to the emergency room in Tokyo Metropolitan Medical Center for oral injuries from January 1(st) , 2011 to December 31(st) , 2012, were included...
April 17, 2017: Pediatrics International: Official Journal of the Japan Pediatric Society
https://www.readbyqxmd.com/read/28419471/spectral-analysis-of-the-stick-slip-phenomenon-in-oral-tribological-texture-evaluation
#9
Solange Sanahuja, Rutuja Upadhyay, Heiko Briesen, Jianshe Chen
"Oral" tribology has become a new paradigm in food texture studies to understand complex texture attributes, such as creaminess, oiliness, and astringency, which could not be successfully characterized by traditional texture analysis nor by rheology. Stick-slip effects resulting from intermittent sliding motion during kinetic friction of oral mucosa could constitute an additional determining factor of sensory perception where traditional friction coefficient values and their Stribeck regimes fail in predicting different lubricant (food bolus and saliva) behaviors...
March 28, 2017: Journal of Texture Studies
https://www.readbyqxmd.com/read/28418805/public-attitudes-toward-breastfeeding-in-public-places-in-ottawa-canada
#10
Katherine Russell, Amira Ali
BACKGROUND: In Ontario, Canada, breastfeeding in public is a protected right, yet even with these laws, attitudes toward breastfeeding in public can serve as a barrier to breastfeeding. Research aim: This study assesses public support for breastfeeding in public among adults in Ottawa, Ontario, and examines sociodemographic associations with negative attitudes toward public breastfeeding. METHODS: Data from the 2015 Rapid Risk Factor Surveillance System (RRFSS), a population health telephone survey, were obtained for Ottawa...
May 2017: Journal of Human Lactation: Official Journal of International Lactation Consultant Association
https://www.readbyqxmd.com/read/28418453/association-of-increasing-nasal-tip-projection-with-lip-position-in-primary-rhinoplasty
#11
Eric W Cerrati, Steven H Dayan
Importance: The effects of rhinoplasty maneuvers on adjacent facial features are an important component in preoperative planning and patient counseling. Tip projection modifications are commonly performed in both cosmetic and reconstructive rhinoplasty. Objective: To evaluate the subsequent change in lip projection that results from increasing nasal tip projection. Design, Setting, and Participants: In this case series, 20 patients underwent primary rhinoplasty with the objective of increasing tip projection during the period from October 1, 2014, to September 25, 2015...
April 13, 2017: JAMA Facial Plastic Surgery
https://www.readbyqxmd.com/read/28417103/effect-of-age-and-severity-of-facial-palsy-on-taste-thresholds-in-bell-s-palsy-patients
#12
Jung Min Park, Myung Gu Kim, Junyang Jung, Sung Su Kim, A Ra Jung, Sang Hoon Kim, Seung Geun Yeo
BACKGROUND AND OBJECTIVES: To investigate whether taste thresholds, as determined by electrogustometry (EGM) and chemical taste tests, differ by age and the severity of facial palsy in patients with Bell's palsy. SUBJECTS AND METHODS: This study included 29 patients diagnosed with Bell's palsy between January 2014 and May 2015 in our hospital. Patients were assorted into age groups and by severity of facial palsy, as determined by House-Brackmann Scale, and their taste thresholds were assessed by EGM and chemical taste tests...
April 2017: Journal of Audiology & Otology
https://www.readbyqxmd.com/read/28416849/-effect-of-mechanical-self-cleaning-of-tongue-coating-on-malodor-in-halitosis-patients-originating-from-tongue-coating
#13
J Wang, L He
OBJECTIVE: To evaluate the malodor level and to explore the effect of mechanical self-cleaning of tongue coating in patients with halitosis originating from tongue coating. METHODS: Ten patients with halitosis originating from tongue coating were enrolled and divided into two groups randomly. The patients in test group received instruction of mechanical cleaning of tongue coating while no such instruction was given to control group. Organoleptic test (OLT) score, volatile sulfide compounds (VSC) value, area of tongue coating (Ta), thickness of tongue coating (Tt) and periodontal condition were recorded at baseline and were repeated at the end of 1 week, 2 weeks, 4 weeks and 8 weeks later...
April 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/28416237/proliferative-verrucous-leukoplakia-of-the-tongue
#14
Paolo Cariati, Ana Belen Marin Fernandez, Jose Fernandez Solis
No abstract text is available yet for this article.
April 14, 2017: Medicina Clínica
https://www.readbyqxmd.com/read/28413553/excision-of-hypoglossal-neurinoma-by-condyle-sparing-suboccipital-keyhole-approach
#15
Harjinder Bhatoe
Hypoglossal neurinomas are rare tumors that present with gradually worsening unilateral wasting of the tongue. The tumors often attain large size prior to detection and often extend into the hypoglossal canal. Large tumors can distort the brainstem and cerebellum. Preoperative diagnosis can often be made by magnetic resonance imaging (MRI) with contrast enhancement. Traditionally, surgery for these tumors has entailed large transcondylar approaches, often necessitating occipitocervical stabilization. We managed one 23-year-old female patient with a large hypoglossal neurinoma...
January 2017: Asian Journal of Neurosurgery
https://www.readbyqxmd.com/read/28413448/genetic-and-epigenetic-characterization-of-the-tumors-in-a-patient-with-a-tongue-primary-tumor-a-recurrence-and-a-pharyngoesophageal-second-primary-tumor
#16
Ilda P Ribeiro, Francisco Marques, Leonor Barroso, Jorge Miguéis, Francisco Caramelo, André Santos, Maria J Julião, Joana B Melo, Isabel M Carreira
BACKGROUND: The choice of therapeutic modality for oral carcinoma in recurrent or second primary tumors remains controversial, as the treatment modalities available might be reduced by the treatment of the first tumor, and the overall survival is lower when compared with patients with a single or first tumor. Identifying biomarkers that predict the risk of relapse and the response to treatment is an emerging clinical issue. CASE PRESENTATION: A Caucasian 49-years-old man was treated with chemotherapy followed by chemoradiotherapy for a primary left side tongue tumor, achieving a complete response...
2017: Molecular Cytogenetics
https://www.readbyqxmd.com/read/28413152/loss-of-pten-expression-is-associated-with-high-microrna-24-level-and-poor-prognosis-in-patients-with-tongue-squamous-cell-carcinoma
#17
Jingzhu Zhao, Jiadong Chi, Ming Gao, Jingtai Zhi, Yigong Li, Xiangqian Zheng
PURPOSE: The aim of this study was to detect the relationship between phosphatase and tensin homolog deletion on chromosome 10 (PTEN) and microRNA 24 (miR-24) and correlate PTEN expression with important clinical parameters of patients with tongue squamous cell carcinoma (TSCC). MATERIALS AND METHODS: In this retrospective case series, all TSCC patients treated at Tianjin Medical University Cancer Institute and Hospital between March 2005 and October 2011 were retrospectively reviewed...
March 23, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28413147/branchial-cleft-cyst-an-unusual-site-for-the-cervical-metastasis-of-nasopharyngeal-carcinoma
#18
Yu-Chang Liao, Mohamad Adel, Li-Yu Lee, Kai-Ping Chang
OBJECTIVE: Cancers found in the resected branchial cleft cyst are rare clinically but usually impose substantive diagnostic and treatment challenges for clinicians. METHODS: A 31-year-old man presented with a lateral neck mass that was suspected to be an inflammatory branchial cleft cyst. After excision, the pathologic specimen revealed a benign cystic appearance with a focus of undifferentiated carcinoma. Serologic tests for Epstein-Barr virus were negative. A positron emission tomography scan and upper aerodigestive tract endoscopies were negative for any other suspicious lesion...
April 13, 2017: Auris, Nasus, Larynx
https://www.readbyqxmd.com/read/28412967/factors-associated-with-lingual-tonsil-hypertrophy-in-canadian-adults
#19
Matthew S Harris, Brian W Rotenberg, Kathryn Roth, Leigh J Sowerby
BACKGROUND: Hypertrophy of the lingual tonsil tissue in the adult patient is thought to contribute to the pathophysiology of obstructive sleep apnea. The underlying etiology of lingual tonsil hypertrophy (LTH) in the adult patient is unclear and likely multifactorial. Previous studies have suggested that the lingual tonsils may undergo compensatory hyperplasia post-tonsillectomy in children, although it is unknown if this occurs or persists into adulthood. The purpose of this study was to determine what factors are associated with LTH in a population of Canadian adults...
April 17, 2017: Journal of Otolaryngology—Head & Neck Surgery
https://www.readbyqxmd.com/read/28412801/-preliminary-report-on-the-application-of-femtosecond-laser-assisted-anterior-capsulotomy-in-intumescent-white-cataract-surgery
#20
T T Peng, Y Wang, X Y Bao
Objective: To assess the effect of femtosecond laser-assisted anterior capsulotomy in intumescent white cataract surgery. Methods: Retrospective case series study. One hundred and fifty cataract patients (150 eyes) from June 2014 to June 2015 in Wuhan Aier ophthalmology hospital were enrolled in this study. They were divided into three groups: 50 intumescent white cataract patients (50 eyes) in the study group were performed femtosecond laser-assisted capsulotomy (LenSx system) operation selectively. Fifty intumescent white cataract patients (50 eyes) underwent normal manual continuous circular capsulorhexis as the control group 1...
April 11, 2017: [Zhonghua Yan Ke za Zhi] Chinese Journal of Ophthalmology
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