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https://www.readbyqxmd.com/read/28631549/comparison-of-histological-and-proliferation-features-of-canine-oral-squamous-cell-carcinoma-based-on-intraoral-location-36-cases
#1
Lisa A Mestrinho, Hugo Pissarra, Sandra Carvalho, Maria C Peleteiro, Jerzy Gawor, Maria M R E Niza
Grade and labeling indices for immunohistochemical tumor proliferation markers Ki-67 and proliferating cell nuclear antigen (PCNA) were evaluated in 36 cases of canine oral squamous cell carcinoma (OSCC) based upon intraoral location. Grade was significantly associated with location ( P = .035). Grade II tumors were most frequently diagnosed. Grade I tumors were identified in the gingiva and the buccal mucosa, and grade III tumors were seen in the gingiva and the tonsillar region. Animals with tumors arising from the tonsils and of the tongue tended to be older ( P = ...
June 2017: Journal of Veterinary Dentistry
https://www.readbyqxmd.com/read/28627054/effect-of-moringa-oleifera-leaf-powder-supplementation-on-growth-performance-and-intestinal-morphology-in-broiler-chickens
#2
I Khan, H Zaneb, S Masood, M S Yousaf, H F Rehman, H Rehman
Due to public health hazards of subtherapeutic use of antibiotics in poultry feed, there is a need for alternatives. Moringa oleifera is a phytobiotic, which is reported to possess antimicrobial and immuno-modulatory properties. This study aimed to investigate effects of M. oleifera leaf powder (MOLP) supplementation on growth performance and intestinal microarchitecture of broiler chickens. Day-old broiler chicks (n = 100) were randomly divided into five groups with four replicates each having five birds...
June 2017: Journal of Animal Physiology and Animal Nutrition
https://www.readbyqxmd.com/read/28622852/efficacy-of-e2-glycoprotein-fused-to-porcine-cd154-as-a-novel-chimeric-subunit-vaccine-to-prevent-classical-swine-fever-virus-vertical-transmission-in-pregnant-sows
#3
Sara Muñoz-González, Yusmel Sordo, Marta Pérez-Simó, Marisela Suárez, Albert Canturri, Maria Pilar Rodriguez, María Teresa Frías-Lepoureau, Mariano Domingo, Mario Pablo Estrada, Llilianne Ganges
Here we evaluated the effect of double vaccination with a novel subunit marker vaccine candidate based in the CSFV E2 glycoprotein fused to the porcine CD154 to prevent CSFV vertical transmission. A lentivirus-based gene delivery system was used to obtain a stable recombinant HEK 293 cell line for the expression of E2 fused to porcine CD154 molecule. Six pregnant sows were distributed in two groups and at 64days of gestation animals numbered 1-4 (group 1) were vaccinated via intramuscular inoculation with 50μg of E2-CD154 subunit vaccine...
June 2017: Veterinary Microbiology
https://www.readbyqxmd.com/read/28620260/the-positive-expression-of-genotype-vii-newcastle-disease-virus-malaysian-isolate-in-japanese-quails-coturnix-coturnix-japonica
#4
Lizma Felisha Mazlan, Noor Farhana Bachek, Siti Nor Azizah Mahamud, Lokman Hakim Idris, Tan Sheau Wei, Abdul Rahman Omar, Mohd Hezmee Mohd Noor
AIM: Genotype VII Newcastle disease virus (NDV) is the most predominant NDV strains that circulating in Malaysia; thus, this study was aimed to determine the susceptibility of Japanese quails toward genotype VII NDV. Clinical signs, gross pathological lesions of organs, positive detection of virus in organs and cloacal swabs, as well as the expression of the antibody titer, were used as parameters to assess the susceptibility of Japanese quails following infection of genotype VII NDV...
May 2017: Veterinary World
https://www.readbyqxmd.com/read/28618252/epidemiological-trends-of-head-and-neck-cancer-in-the-united-states-a%C3%A2-seer-population-study
#5
Moustafa Mourad, Thomas Jetmore, Ameya A Jategaonkar, Sami Moubayed, Erin Moshier, Mark L Urken
PURPOSE: This study represents the most recent epidemiologic trends of head and neck cancer (HNC) in the United States. It provides an important discussion on oropharyngeal cancer and cancers related to the human papillomavirus. The objective was to identify trends in HNC (2002 to 2012) within the United States. MATERIALS AND METHODS: This study is a retrospective analysis of the US National Cancer Institute's Surveillance, Epidemiology, and End Results (SEER) submission...
May 22, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28611308/an-oral-keratinocyte-life-cycle-model-identifies-novel-host-genome-regulation-by-human-papillomavirus-16-relevant-to-hpv-positive-head-and-neck-cancer
#6
Michael R Evans, Claire D James, Oonagh Loughran, Tara J Nulton, Xu Wang, Molly L Bristol, Brad Windle, Iain M Morgan
Many aspects of the HPV life cycle have been characterized in cervical cell lines (W12, CIN612) and in HPV immortalized primary foreskin keratinocytes. There is now an epidemic of HPV positive oropharyngeal cancers (HPV16 is responsible for 80-90% of these); therefore increased understanding of the HPV16 life cycle in oral keratinocytes is a priority. To date there have been limited reports characterizing the HPV16 life cycle in oral keratinocytes. Using TERT immortalized "normal" oral keratinocytes (NOKs) we generated clonal cell lines maintaining the HPV16 genome as an episome, NOKs+HPV16...
June 1, 2017: Oncotarget
https://www.readbyqxmd.com/read/28607924/hipk2-overexpression-and-its-prognostic-role-in-human-papillomavirus-positive-tonsillar-squamous-cell-carcinoma
#7
Mi Jung Kwon, So Young Kang, Eun Sook Nam, Seong Jin Cho, Young-Soo Rho
Tonsillar squamous cell carcinomas (TSCCs) are the most common human papillomavirus- (HPV-) associated oropharyngeal cancers with poor prognosis. Homeodomain-interacting protein kinase 2 (HIPK2) is a central regulator of p53, which participates in apoptosis during the DNA damage response. HIPK2 is involved in HPV-associated uterine cervical and cutaneous carcinogenesis through its binding of HPV E6, thereby preventing apoptosis and contributing to tumor progression. However, its clinical and prognostic significance in TSCC remains unclear...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28605908/chondroitin-sulfate-based-biomineralizing-surface-hydrogels-for-bone-tissue-engineering
#8
Hwan Drew Kim, Eunjee A Lee, Young-Hyeon An, Seunghyun L Kim, Seunghun S Lee, Seung Jung Yu, Hae Lin Jang, Ki Tae Nam, Sung Gap Im, Nathaniel Suk-Yeon Hwang
Chondroitin sulfate (CS) is the major component of glycosaminoglycan in the connective tissue. In this study, we fabricated methacrylated CS-based hydrogels with varying CS concentration (0%, 1%, 5%, and 10% CS) and investigated them as biomineralizing 3-dimensional (3D) scaffolds for charged ion binding and depositions. Due to its negative charge from the sulfate group, CS exhibited an osteogenic favorable microenvironment by binding charged ions such as calcium and phosphate. Particularly, ion binding and distribution within negatively charged hydrogel was dependent on CS concentration...
June 13, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28598766/tonsil-surgery-in-sweden-2013-2015-indications-surgical-methods-and-patient-reported-outcomes-from-the-national-tonsil-surgery-register
#9
Niclas Hallenstål, Ola Sunnergren, Elisabeth Ericsson, Claes Hemlin, Anne-Charlotte Hessén Söderman, Pia Nerfeldt, Erik Odhagen, Marie Ryding, Joacim Stalfors
AIM: To describes how tonsil surgery was performed in Sweden from 2013 to 2015 with data from the National Tonsil Surgery Registry in Sweden (NTSRS). METHOD: The registry collects data from both professionals and patients through questionnaires. A total of 33,870 tonsil surgeries were analysed, comprising approximately 80% of all tonsil surgeries in Sweden from 2013 to 2015. RESULTS: The two most common procedures were tonsillectomy (41%) and tonsillotomy with adenoidectomy (38%)...
June 9, 2017: Acta Oto-laryngologica
https://www.readbyqxmd.com/read/28598352/uk-pigs-at-the-time-of-slaughter-investigation-into-the-correlation-of-infection-with-prrsv-and-hev
#10
Jean-Pierre Frossard, Sylvia Grierson, Tanya Cheney, Falko Steinbach, Bhudipa Choudhury, Susanna Williamson
Hepatitis E virus (HEV) and porcine reproductive and respiratory syndrome virus (PRRSV) and are both globally prevalent in the pig population. While HEV does not cause clinical disease in pigs, its zoonotic potential has raised concerns in the food safety sector. PRRS has become endemic in the United Kingdom (UK) since its introduction in 1991, and continues to cause considerable economic losses to the swine industry. A better understanding of the current prevalence and diversity of PRRSV and HEV in the UK, and their potential association, is needed to assess risks and target control measures appropriately...
June 9, 2017: Viruses
https://www.readbyqxmd.com/read/28596732/moderating-effects-of-cortisol-on-neural-cognitive-association-in-cognitively-normal-elderly-subjects
#11
Way K W Lau, Mei Kei Leung, Andrew C K Law, Tatia M C Lee
Cortisol homeostasis is important for healthy brain and cognitive aging. The aim of the current study is to investigate the role of serum cortisol levels in the relationship between regional brain volumes and cognitive processing speed in a group of cognitively normal elderly subjects. Forty-one healthy elderly participants were from a parallel longitudinal study. The reported data in this study reflects baseline measurements. Whole-brain anatomical scanning was performed using a 3.0 Tesla Philips Medical Systems Achieva scanner...
2017: Frontiers in Aging Neuroscience
https://www.readbyqxmd.com/read/28596665/langerhans-cell-histiocytosis-lch-of-the-tonsil-in-adult-patient-an-uncommon-disease-at-an-uncommon-site
#12
Rachna Khera, Faiq Ahmed, Sudha Murthy, Krishna Mohan Mallavarapu
Langerhans cell histiocytosis (LCH) is a rare disease characterized by clonal neoplastic proliferation of normal antigen presenting cell (APC), the Langerhans cell. Most cases occur in childhood and the disease is rare in adults. LCH can involve solitary organ or can present as a multi-system disease in children. In adults, isolated pulmonary LCH is the commonest presentation. Tonsillar infiltration as a sole manifestation is extremely rare. We herewith report a case with isolated tonsillar involvement by LCH in an adult patient...
June 2017: Indian Journal of Hematology & Blood Transfusion
https://www.readbyqxmd.com/read/28595595/multiplex-detection-in-tonsillar-tissue-of-all-known-human-polyomaviruses
#13
Mohammadreza Sadeghi, Yilin Wang, Torbjörn Ramqvist, Leena-Maija Aaltonen, Lari Pyöriä, Mari Toppinen, Maria Söderlund-Venermo, Klaus Hedman
BACKGROUND: In the past few years, eleven new human viruses have joined the two previously known members JCPyV and BKPyV of the Polyomaviridae family, by virtue of molecular methods. Serology data suggest that infections with human polyomaviruses (HPyVs) occur since childhood and the viruses are widespread in the general population. However, the viral persistence sites and transmission routes are by and large unknown. Our previous studies demonstrated that the four new HPyVs - KIPyV, WUPyV, MCPyV and TSPyV - were present in the tonsils, and suggested lymphoid tissue as a persistent site of these emerging human viruses...
June 8, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28592579/attitudes-and-behaviours-of-adolescents-towards-antibiotics-and-self-care-for-respiratory-tract-infections-a-qualitative-study
#14
Meredith Kd Hawking, Donna M Lecky, Pia Touboul Lundgren, Eman Aldigs, Hind Abdulmajed, Eleni Ioannidou, Demetra Paraskeva-Hadjichambi, Pauline Khouri, Micaela Gal, Andreas Ch Hadjichambis, Demetrios Mappouras, Cliodna Am McNulty
BACKGROUND: To understand attitudes and behaviours of adolescents towards antibiotics, antimicrobial resistance and respiratory tract infections. DESIGN: Qualitative approach informed by the Theory of Planned Behaviour. Semi-structured interviews and focus groups were undertaken. We aimed to inform the development of an intervention in an international setting to improve antibiotic use among adolescents; therefore on completion of thematic analysis, findings were triangulated with qualitative data from similar studies in France, Saudi Arabia and Cyprus to elucidate differences in the behaviour change model and adaptation to diverse contexts...
June 6, 2017: BMJ Open
https://www.readbyqxmd.com/read/28589373/3d-structural-complexity-analysis-of-cerebellum-in-chiari-malformation-type-i
#15
Engin Akar, Sadık Kara, Hidayet Akdemir, Adem Kırış
Chiari malformation type I (CM-I), described by a descent of the cerebellar tonsils, is assumed to be a neurological developmental disorder. The aim of the present study was to investigate morphological variance in cerebellar sub-structures, including gray matter (GM), white matter (WM), and cerebrospinal fluid (CSF), using magnetic resonance (MR) images with three-dimensional (3D) fractal dimension (FD) analysis in patients with CM-I. MRI data of 16 patients and 15 control subjects were obtained, and structural complexity analyses were performed using a box-counting FD algorithm...
June 7, 2017: Medical & Biological Engineering & Computing
https://www.readbyqxmd.com/read/28588575/gut-associated-lymphoid-tissue-a-key-tissue-inside-the-mucosal-immune-system-of-hens-immunized-with-escherichia-coli-f4
#16
Maria F Peralta, Alejandra Magnoli, Fabrisio Alustiza, Armando Nilson, Raúl Miazzo, Adriana Vivas
Immunoglobulin Y (IgY) is the predominant antibody found in hen's (Gallus domesticus) egg yolk. This antibody, developed against several microorganisms in hen egg yolk, has been successfully used as an alternative to immunoglobulins from mammals for use in immunodiagnostics and immunotherapy. Enteropathogenic Escherichia coli (E.coli) F4 is the main etiological agent associated with swine neonatal diarrhea, and it causes notable economic losses in swine production. The aim of the present study was to evaluate the relationship between humoral immune response and the activation of gut-associated lymphoid tissue (GALT) in laying hens intramuscularly immunized with E...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28586935/endoscopic-management-of-arnold-chiari-malformation-type-i-with-or-without-syringomyelia
#17
Shailendra Ratre, Nishtha Yadav, Yad Ram Yadav, Vijay Singh Parihar, Jitin Bajaj, Yatin Kher
Introduction Several different surgical techniques have been used in the treatment of patients with symptomatic Arnold-Chiari malformation type 1 (ACM-1) with or without syrinx. Endoscope-assisted decompression of the posterior fossa has been found to be safe and effective. We report our initial experience of endoscopic management of ACM-I. Material and Methods This was a prospective study of 15 symptomatic patients. Pre- and postoperative clinical status and computed tomography and magnetic resonance imaging findings were recorded...
June 6, 2017: Journal of Neurological Surgery. Part A, Central European Neurosurgery
https://www.readbyqxmd.com/read/28585676/evaluation-of-apparent-diffusion-coefficients-in-the-cerebellar-tonsils-and-bulbus-in-chiari-type-i-malformations-comparison-before-and-after-surgery
#18
Bekir Akgun, Sait Ozturk, Ismail Taskent, Mehmet Besir Surme, Fatih Serhat Erol, Hanefi Yildirim
AIM: To evaluate the preoperative and postoperative 6th month mean apparent diffusion coefficient (ADC) values of the cerebellar tonsils and bulbus in patients with Chiari Malformation Type I (CMI), and to compare the results with healthy controls. MATERIAL AND METHODS: We included 15 patients with CMI who underwent suboccipital decompression, upper cervical laminectomy, and duraplasty surgery, and compared them with 10 healthy individuals. Three regions of interest were placed, one each in the cerebellar tonsils and one in the bulbus...
May 7, 2017: Turkish Neurosurgery
https://www.readbyqxmd.com/read/28583496/the-effect-of-perioperative-dexamethasone-dosing-on-post-tonsillectomy-hemorrhage-risk
#19
Yin Yiu, Justin B Mahida, Jennifer N Cooper, Nicole M Elsey, Katherine J Deans, Peter C Minneci, Tyler B Merrill, Joseph D Tobias, Charles A Elmaraghy
OBJECTIVES: Dexamethasone is currently recommended for routine prophylaxis against postoperative nausea and vomiting after tonsillectomy procedures. However, some studies have raised concern that dexamethasone use may lead to higher rates of post-tonsillectomy hemorrhage. Our objective was to determine whether higher doses of dexamethasone administered perioperatively during tonsillectomy procedures are associated with an increased risk of secondary post-tonsillectomy hemorrhage. METHODS: We conducted a retrospective review of 9843 patients who underwent tonsillectomy and received dexamethasone at our institution from January 2010 to October 2014...
July 2017: International Journal of Pediatric Otorhinolaryngology
https://www.readbyqxmd.com/read/28583457/vertebrobasilar-insufficiency-due-to-distal-posterior-inferior-cerebellar-artery-compression-in-chiari-1-5
#20
M Burhan Janjua, Iryna Ivasyk, Jeffrey P Greenfield
Chiari malformation is characterized by radiographic evidence of herniation of cerebellar tonsils below the foramen magnum, and symptoms complex of headaches, breathing, swallowing or sleep difficulties, ataxia, restless, motor and/or sensory deficits. We report a case of a 34-year old female whose imaging indicated a Chiari 1.5 with brainstem (caudal medulla) herniation, and an expansive cervical syrinx. Her symptom complex showed signs both of cervical syringomyelia, as well as ones localizable to the medulla...
June 2, 2017: World Neurosurgery
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