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https://www.readbyqxmd.com/read/28934316/pathogenesis-of-oral-fiv-infection
#1
Craig Miller, Karen Boegler, Scott Carver, Martha MacMillan, Helle Bielefeldt-Ohmann, Sue VandeWoude
Feline immunodeficiency virus (FIV) is the feline analogue of human immunodeficiency virus (HIV) and features many hallmarks of HIV infection and pathogenesis, including the development of concurrent oral lesions. While HIV is typically transmitted via parenteral transmucosal contact, recent studies prove that oral transmission can occur, and that saliva from infected individuals contains significant amounts of HIV RNA and DNA. While it is accepted that FIV is primarily transmitted by biting, few studies have evaluated FIV oral infection kinetics and transmission mechanisms over the last 20 years...
2017: PloS One
https://www.readbyqxmd.com/read/28933667/diagnostic-performance-of-cheeks-appearance-in-sleep-apnea
#2
Aline Prikladnicki, Denis Martinez, Melissa Giacomelli Brunetto, Cintia Zappe Fiori, Maria do Carmo Sfreddo Lenz, Erissandra Gomes
OBJECTIVE: Obstructive sleep apnea (OSA) is a common, potentially life-threatening, but underdiagnosed condition. The study aimed to test the role of facial myofunctional alterations in OSA screening. METHOD: Sixty-one individuals with sleep complaints were evaluated by the Orofacial Myofunctional Evaluation with Scores (OMES) protocol before undergoing polysomnography. The performance of each of the protocol scores in OSA screening was tested. RESULTS: The nonparametric correlation of the apnea-hypopnea index (AHI) was significant for 18 of the 41 variables of the OMES protocol...
September 21, 2017: Cranio: the Journal of Craniomandibular Practice
https://www.readbyqxmd.com/read/28932055/eosinophilic-ulcer-of-the-tongue-masquerading-as-malignant-ulcer-an-unexplored-distinct-pathology
#3
Kunal Sah, Sunira Chandra, Anil Singh, Shweta Singh
Eosinophilic ulcer (EU) is a rare self-limiting chronic benign ulcerative lesion of the oral mucosa often misdiagnosed as oral malignancy. Its etiopathogenesis is ambiguous, but trauma plays an important role in the development. Microscopically, it is characterized by a polymorphic inflammatory infiltrate with a prominent eosinophilic component and large mononuclear cells extending deep into the submucosa, underlying muscle and salivary glands. We discuss a case of EU in a 55-year-old male, which presented with a symptomatic nonhealing ulcer on the right lateral border of the tongue and was further clinically misdiagnosed as malignant ulcer...
May 2017: Journal of Oral and Maxillofacial Pathology: JOMFP
https://www.readbyqxmd.com/read/28929061/drug-induced-sleep-endoscopy-as-a-selection-tool-for-surgical-management-of-obstructive-sleep-apnoea-syndrome-our-personal-experience
#4
M B Bharathi, J Rajendra Prasad, K Satish
The role of Drug-induced sleep endoscopy as a selection tool for surgical management of obstructive sleep apnoea syndrome. SOURCE OF DATA: Polysomnography proved OSA patients, who are planned for surgery in dept. of ENT AND HEAD& NECK, JSS Hospital, Mysore. STUDY DESIGN: A prospective clinical study. METHOD: 30 Polysomnography proved OSA patients, age between 20 and 60 years have been selected for Drug Induced Sleep Endoscopy (DISE) after taking informed consent for proposed surgery...
September 2017: Indian Journal of Otolaryngology and Head and Neck Surgery
https://www.readbyqxmd.com/read/28928919/free-flap-transfer-reconstruction-in-managing-tongue-carcinoma-during-pregnancy
#5
Yuko Miyazaki, Kenji Fukuda, Kazutoshi Fujita, Soh Nishimoto, Tomonori Terada, Ryu Wada, Yohei Sotsuka, Kenichiro Kawai, Masao Kakibuchi
Malignant oral cancers do not commonly occur in pregnant women. But when they do, the presence of a foetus and maternal physiological changes complicate and limit the treatment options. Risk benefit assessment and balancing of them are always important. A 33-year-old woman, who was 25 weeks pregnant, presented with a squamous cell carcinoma on her tongue. She was clinically staged II (T2, N0 and M0). Discussions between the patient, surgical teams and obstetricians agreed to continue her pregnancy while managing the tumour...
August 2017: Journal of Surgical Case Reports
https://www.readbyqxmd.com/read/28928824/isobavachalcone-inhibits-the-proliferation-and-invasion-of-tongue-squamous-cell-carcinoma-cells
#6
Yi Shi, Wei-Zhong Wu, An Huo, Wei Zhou, Xiao-Hong Jin
Isobavachalcone (2',4',4-trihydroxy-3'-[3'-methylbut-3'-ethyl] chalcone or IBC) exhibits anticancer activities in a number of types of cancer cell. However, its role in tongue squamous cell carcinoma (TSCC) cells remains unclear. The aim of the present study was to investigate the biological effect of IBC in TSCC Tca8113 cells. The function of IBC on Tca8113 cell apoptosis and apoptosis-associated signaling pathways was determined using an MTT assay, morphological staining, annexin V-propidium iodide (PI) staining and Western blot analysis...
September 2017: Oncology Letters
https://www.readbyqxmd.com/read/28928425/double-deficiency-of-trex2-and-dnase1l2-nucleases-leads-to-accumulation-of-dna-in-lingual-cornifying-keratinocytes-without-activating-inflammatory-responses
#7
Joan Manils, Heinz Fischer, Joan Climent, Eduard Casas, Celia García-Martínez, Jordi Bas, Supawadee Sukseree, Tanya Vavouri, Francisco Ciruela, Josep Maria de Anta, Erwin Tschachler, Leopold Eckhart, Concepció Soler
The cornification of keratinocytes on the surface of skin and oral epithelia is associated with the degradation of nuclear DNA. The endonuclease DNase1L2 and the exonuclease Trex2 are expressed specifically in cornifying keratinocytes. Deletion of DNase1L2 causes retention of nuclear DNA in the tongue epithelium but not in the skin. Here we report that lack of Trex2 results in the accumulation of DNA fragments in the cytoplasm of cornifying lingual keratinocytes and co-deletion of DNase1L2 and Trex2 causes massive accumulation of DNA fragments throughout the cornified layers of the tongue epithelium...
September 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28927743/does-a-mandibular-access-osteotomy-improve-survival-in-pt2-oral-tongue-cancers-retrospective-study-at-a-single-institution
#8
H S Ong, S Gokavarapu, Z Tian, J Li, W Cao, C P Zhang
The surgical approach to the resection of oral tongue cancers can involve transoral resection (TOR) or a temporary mandibulotomy access (TMA). There are no relevant guidelines, and the oncological safety of TOR needs consideration. The objective of this study was to investigate TMA and TOR in pT2 oral tongue cancer surgery with regard to cancer outcomes. Demographic, surgical, and histology data from primary pT2 tongue cancers were recorded and evaluated through multivariate Cox regression for local recurrence (LR), disease-free survival (DFS), and overall survival (OS)...
September 15, 2017: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28927103/lack-of-chemopreventive-efficacy-of-metformin-in-rodent-models-of-urinary-bladder-head-and-neck-and-colon-intestine-cancer
#9
Matthew D Thompson, Ronald A Lubet, David L Mccormick, Margie L Clapper, Ann M Bode, M Margaret Juliana, Fariba Moeinpour, Clinton J Grubbs
Metformin is a biguanide employed in treating type II diabetes. Its potential efficacy for treating cancer has been demonstrated epidemiologically (lower cancer incidence in metformin users compared with users of sulfonylureas or insulin) and mechanistically, primarily in cell culture. Metformin decreases the levels of insulin-like growth factor 1 and secondarily inhibits the mammalian target of rapamycin pathway to exhibit anticancer effects. The current study examined its cancer preventive efficacy in multiple standard in situ arising cancer models...
September 2017: Oncology Letters
https://www.readbyqxmd.com/read/28926591/no-evidence-for-the-presence-of-epstein-barr-virus-in-squamous-cell-carcinoma-of-the-mobile-tongue
#10
Torben Wilms, Gulfaraz Khan, Philip J Coates, Nicola Sgaramella, Robin Fåhraeus, Asma Hassani, Pretty S Philip, Lena Norberg Spaak, Luigi Califano, Giuseppe Colella, Katarina Olofsson, Christos Loizou, Renato Franco, Karin Nylander
Squamous cell carcinoma of the head and neck (SCCHN) comprises a large group of cancers in the oral cavity and nasopharyngeal area that typically arise in older males in association with alcohol/tobacco usage. Within the oral cavity, the mobile tongue is the most common site for tumour development. The incidence of tongue squamous cell carcinoma (TSCC) is increasing in younger people, which has been suggested to associate with a viral aetiology. Two common human oncogenic viruses, human papilloma virus (HPV) and Epstein-Barr virus (EBV) are known causes of certain types of SCCHN, namely the oropharynx and nasopharynx, respectively...
2017: PloS One
https://www.readbyqxmd.com/read/28925340/british-escherichia-coli-o157-in-cattle-study-becs-to-determine-the-prevalence-of-e-coli-o157-in-herds-with-cattle-destined-for-the-food-chain
#11
M K Henry, S C Tongue, J Evans, C Webster, I J McKENDRICK, M Morgan, A Willett, A Reeves, R W Humphry, D L Gally, G J Gunn, M E Chase-Topping
Escherichia coli O157 are zoonotic bacteria for which cattle are an important reservoir. Prevalence estimates for E. coli O157 in British cattle for human consumption are over 10 years old. A new baseline is needed to inform current human health risk. The British E. coli O157 in Cattle Study (BECS) ran between September 2014 and November 2015 on 270 farms across Scotland and England & Wales. This is the first study to be conducted contemporaneously across Great Britain, thus enabling comparison between Scotland and England & Wales...
September 19, 2017: Epidemiology and Infection
https://www.readbyqxmd.com/read/28923272/the-spectrum-of-oral-lesions-presenting-clinically-with-papillary-verrucous-features
#12
Sara Whitefield, Vadim Raiser, Amir Shuster, Shlomi Kleinman, Benjamin Shlomi, Ilana Kaplan
PURPOSE: We sought to study the spectrum of oral pathologies presenting clinically with papillary-verrucous features. MATERIALS AND METHODS: A 10-year (2007 to 2016) retrospective study of oral papillary lesions was undertaken. All biopsy reports that included a clinical description of papillary or verrucous architecture were retrieved. The data collected included clinical features, size, color, location, histopathologic diagnosis, age, and gender. RESULTS: The study included 137 patients, with a total of 151 lesions...
August 24, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28922244/fibular-graft-effective-panorama-for-prosthetic-rehabilitation-of-resected-mandible
#13
Pankaj Kharade, Saidul Islam, Mahesh Verma, Swati Sharma, Ranjeet Bodh
Surgical management of extensive tumors in the mandibular region leads to massive disfigurement of the face. Also the prosthetic outcome of such patients rehabilitated with free soft tissue flaps is very poor. Reconstruction of extensive defects to overcome the disfigurement is a challenging procedure and can be achieved with free fibula flap. Free fibula graft provides sufficient length of bone for the reconstruction of the postsurgical defects. Excellent vascularity of fibula flap allows for easy uptake of the graft and osseointegration of the dental implants...
September 15, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28921845/detection-and-delineation-of-squamous-neoplasia-with-hyperspectral-imaging-in-a-mouse-model-of-tongue-carcinogenesis
#14
Guolan Lu, Dongsheng Wang, Xulei Qin, Susan Muller, Xu Wang, Amy Y Chen, Zhuo Georgia Chen, Baowei Fei
yperspectral imaging (HSI) holds the potential for the noninvasive detection of cancers. Oral cancers are often diagnosed at a late stage when treatment is less effective and the mortality and morbidity rates are high. Early detection of oral cancer is, therefore, crucial in order to improve the clinical outcomes. To investigate the potential of HSI as a non-invasive diagnostic tool, an animal study was designed to acquire hyperspectral images of in vivo and ex vivo mouse tongues from a chemically induced tongue carcinogenesis model...
September 17, 2017: Journal of Biophotonics
https://www.readbyqxmd.com/read/28920806/accuracy-of-noninvasive-anesthetic-monitoring-in-the-anesthetized-giraffe-giraffa-camelopardalis
#15
Mads F Bertelsen, Carsten Grøndahl, George F Stegmann, Cathrine Sauer, Niels H Secher, J Michael Hasenkam, Mads Damkjær, Christian Aalkjær, Tobias Wang
This study evaluated the accuracy of pulse oximetry, capnography, and oscillometric blood pressure during general anesthesia in giraffes (Giraffa camelopardalis). Thirty-two giraffes anesthetized for physiologic experiments were instrumented with a pulse oximeter transmittance probe positioned on the tongue and a capnograph sampling line placed at the oral end of the endotracheal tube. A human size 10 blood pressure cuff was placed around the base of the tail, and an indwelling arterial catheter in the auricular artery continuously measured blood pressure...
September 2017: Journal of Zoo and Wildlife Medicine: Official Publication of the American Association of Zoo Veterinarians
https://www.readbyqxmd.com/read/28919775/investigation-of-proliferation-and-migration-of-tongue-squamous-cell-carcinoma-promoted-by-three-chemokines-mip-3%C3%AE-mip-1%C3%AE-and-ip-10
#16
Hongxing Chu, Bo Jia, Xiaoling Qiu, Jie Pan, Xiang Sun, Zhiping Wang, Jianjiang Zhao
The aim of this work was to investigate the role of chemokines in proliferation and migration of tongue squamous cell carcinoma (TSCC). Out of the 80 cytokines surveyed by a human cytokine antibody array, three chemokines, macrophage inflammatory protein-3α (MIP-3α), macrophage inflammatory protein-1β (MIP-1β), and interferon gamma-induced protein 10 (IP-10), showed elevated expression in TSCC cells (CAL-27 and UM-1), compared to the oral mucosal epithelial cells. Immunohistochemistry confirmed the high level of expression of MIP-3α in the TSCC tissues, especially in the high clinical stages...
2017: OncoTargets and Therapy
https://www.readbyqxmd.com/read/28919765/scopolamine-alleviates-involuntary-lingual-movements-tardive-dyskinesia-or-dystonia
#17
Jianbo Hu, Jianbo Lai, Shaohua Hu, Yi Xu
Cholinergic hypofunction was believed to be associated with the pathogenesis of tardive dyskinesia, and therefore, anticholinergic treatment might exacerbate the condition. We describe herein a middle-aged male with feeble chewing movements, involuntary rolling motions of the tongue, and abnormally tightened cheeks which developed after consuming different psychotropic medications. These symptoms did not improve after routine treatment for tardive dyskinesia, but responded well to anticholinergic agents, such as scopolamine and benzhexol hydrochloride...
2017: Neuropsychiatric Disease and Treatment
https://www.readbyqxmd.com/read/28917798/perception-of-olive-oils-sensory-defects-using-a-potentiometric-taste-device
#18
Ana C A Veloso, Lucas M Silva, Nuno Rodrigues, Ligia P G Rebello, Luís G Dias, José A Pereira, António M Peres
The capability of perceiving olive oils sensory defects and intensities plays a key role on olive oils quality grade classification since olive oils can only be classified as extra-virgin if no defect can be perceived by a human trained sensory panel. Otherwise, olive oils may be classified as virgin or lampante depending on the median intensity of the defect predominantly perceived and on the physicochemical levels. However, sensory analysis is time-consuming and requires an official sensory panel, which can only evaluate a low number of samples per day...
January 1, 2018: Talanta
https://www.readbyqxmd.com/read/28917322/high-genetic-diversity-in-toxoplasma-gondii-isolates-from-pigs-at-slaughterhouses-in-para%C3%A3-ba-state-northeastern-brazil-circulation-of-new-genotypes-and-brazilian-clonal-lineages
#19
Thais Ferreira Feitosa, Vinícius Longo Ribeiro Vilela, João Leite de Almeida-Neto, Antonielson Dos Santos, Dayana Firmino de Morais, Bruna Farias Alves, Fabiana Nakashima, Solange Maria Gennari, Ana Célia Rodrigues Athayde, Hilda Fátima Jesus Pena
The consumption of raw or undercooked pig meat containing Toxoplasma gondii cysts is an important transmission route of this protozoon to animals and humans. This study aimed to serologically diagnose, isolate and genotype T. gondii from pigs slaughtered for human consumption in the state of Paraíba, northeastern Brazil. Blood and tissue samples (heart, tongue and brain) were collected from 120 pigs at slaughterhouses in the state of Paraíba. Serological examinations were performed with an indirect immunofluorescent antibody test (IFAT) with a cut-off point of 1:64...
September 15, 2017: Veterinary Parasitology
https://www.readbyqxmd.com/read/28916930/tongue-image-analysis-and-its-mobile-app-development-for-health-diagnosis
#20
Ratchadaporn Kanawong, Tayo Obafemi-Ajayi, Dahai Liu, Meng Zhang, Dong Xu, Ye Duan
Computer-aided diagnosis provides a medical procedure that assists physicians in interpretation of medical images. This work focuses on computer-aided tongue image analysis specifically, based on Traditional Chinese Medicine (TCM). Tongue diagnosis is an important component of TCM. Computerized tongue diagnosis can aid medical practitioners in capturing quantitative features to improve reliability and consistency of diagnosis. Recently, researchers have started to develop computer-aided tongue analysis algorithms based on new advancement in digital photogrammetry, image analysis, and pattern recognition technologies...
2017: Advances in Experimental Medicine and Biology
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