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https://www.readbyqxmd.com/read/28090645/neonatal-limb-amputation-an-unusual-form-of-postmortem-canine-predation
#1
Kimberley J Omond, Calle Winskog, Allan Cala, Roger W Byard
Cases of postmortem canine predation often involve elderly recluses and their dogs. The face, head, and genitalia are targeted. Two unusual cases of postmortem canine predation of abandoned newborns are described to demonstrate an unusual alternative pattern of mutilation related to the small size of the decedents, marked decomposition, and canine scavenging behavior. Both bodies were abandoned/concealed soon after birth and were subsequently disturbed by dogs. Both were markedly decomposed with absent arms...
January 16, 2017: Journal of Forensic Sciences
https://www.readbyqxmd.com/read/28069005/prognostic-efficacy-of-the-human-b-cell-lymphoma-prognostic-genes-in-predicting-disease-free-survival-dfs-in-the-canine-counterpart
#2
Mohamad Zamani-Ahmadmahmudi, Sina Aghasharif, Keyhan Ilbeigi
BACKGROUND: Canine B-cell lymphoma is deemed an ideal model of human non-Hodgkin's lymphoma where the lymphomas of both species share similar clinical features and biological behaviors. However there are some differences between tumor features in both species. In the current study, we sought to evaluate the prognostic efficacy of human B-cell lymphoma prognostic gene signatures in canine B-cell lymphoma. METHODS: The corresponding probe sets of 36 human B-cell lymphoma prognostic genes were retrieved from 2 canine B-cell lymphoma microarray datasets (GSE43664 and GSE39365) (76 samples), and prognostic probe sets were thereafter detected using the univariate and multivariate Cox proportional-hazard model and the Kaplan-Meier analysis...
January 9, 2017: BMC Veterinary Research
https://www.readbyqxmd.com/read/28068294/canine-olfaction-as-an-alternative-to-analytical-instruments-for-disease-diagnosis-understanding-dog-personality-to-achieve-reproducible-results
#3
Klaus Hackner, Joachim Pleil
Recent literature has touted the use of canine olfaction as a diagnostic tool for identifying pre-clinical disease status, especially cancer and infection from biological media samples. Studies have shown a wide range of outcomes, ranging from almost perfect discrimination, all the way to essentially random results. This disparity is not likely to be a detection issue; dogs have been shown to have extremely sensitive noses as proven by their use for tracking, bomb detection and search and rescue. However, in contrast to analytical instruments, dogs are subject to boredom, fatigue, hunger and external distractions...
January 9, 2017: Journal of Breath Research
https://www.readbyqxmd.com/read/28058543/genomic-profiling-of-canine-mast-cell-tumors-identifies-dna-copy-number-aberrations-associated-with-kit-mutations-and-high-histological-grade
#4
Hiroyuki Mochizuki, Rachael Thomas, Scott Moroff, Matthew Breen
Mast cell tumor (MCT) is the most common skin malignancy of domestic dogs and presents with a widely variable clinical behavior. Although activating KIT mutations are present in approximately 20% of canine MCTs, molecular etiology is largely unknown for the majority of this cancer. Characterization of genomic alterations in canine MCTs may identify genomic regions and/or genes responsible for their development and progression, facilitating the discovery of new therapeutic targets and improved clinical management of this heterogeneous cancer...
January 5, 2017: Chromosome Research
https://www.readbyqxmd.com/read/28035661/evidence-of-toothpick-groove-formation-in-neandertal-anterior-and-posterior-teeth
#5
Almudena Estalrrich, José Antonio Alarcón, Antonio Rosas
OBJECTIVES: During the microscopic examination of the Neandertal dentitions from El Sidrón (Spain) and Hortus (France), we found unusual fine parallel microstriations on the mesial and distal sides of all tooth types, near the cervix. As its appearance was similar to toothpick grooves described in other Homo species, it could correspond to early stages on its formation. To test this hypothesis we developed an experimental replication of a groove using grass stalks. MATERIALS AND METHODS: Comparisons between 204 isolated Neandertal teeth and the two experimental dental specimens corroborate that the marks correspond to initial stages of toothpick groove formation, and we propose a five-grade recording scale that summarized the groove formation process...
December 30, 2016: American Journal of Physical Anthropology
https://www.readbyqxmd.com/read/27902609/influence-of-oral-health-behavior-and-sociodemographic-factors-on-remaining-teeth-in-korean-adults-2010-2012-korea-national-health-and-nutrition-examination-survey
#6
In-Seok Song, Kyungdo Han, Yeon-Jo Choi, Jae-Jun Ryu, Jun-Beom Park
In this study, the number and location of remaining teeth were analyzed according to sociodemographic variables, anthropometric measurements, and oral health behavior patterns. The hypothesis was that the number and location of remaining teeth would be affected by oral health behavior and by sociodemographic factors, such as education levels, household income, and urban/rural residency.This nationwide cross-sectional study was performed with a total of 36,026 representative Korean adults aged 19 and older. The data were taken from the 2012-2012 Korea National Health and Nutrition Examination Survey...
November 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27901234/air-powder-polishing-on-self-ligating-brackets-after-clinical-use-effects-on-debris-levels
#7
Mônica L S Castro Aragón, Leandro Santiago Lima, David Normando
Introduction: Debris buildup on brackets and arch surfaces is one of the main factors that can influence the intensity of friction between bracket and orthodontic wire. Objective: This study sought to evaluate the effect of air-powder polishing cleaning on debris levels of self-ligating ceramic brackets at the end of orthodontic treatment, compared to the behavior of conventional brackets. Methods: Debris levels were evaluated in metal conventional orthodontic brackets (n = 42) and ceramic self-ligating brackets (n = 42) on canines and premolars, arranged in pairs...
September 2016: Dental Press Journal of Orthodontics
https://www.readbyqxmd.com/read/27900754/ezrin-and-moesin-expression-in-canine-and-feline-osteosarcoma
#8
Juraj Hlavaty, Birgitt Wolfesberger, Marlene Hauck, Barbara Obermayer-Pietsch, Andrea Fuchs-Baumgartinger, Ingrid Miller, Ingrid Walter
Biological features of canine osteosarcomas (OS) differ markedly from those found in feline and resemble more human osteosarcomas, in particular for their high rate of metastasis and poor prognosis. Ezrin, radixin and moesin are members of the ERM protein family and link the actin cytoskeleton with the cell membrane. Ezrin and moesin have been shown to be of prognostic significance in tumor progression due to their role in the metastatic process. The objective of this study was to analyze ezrin and moesin protein expression in a series of dog (n = 16) and cat (n = 8) osteosarcoma samples using immunohistochemistry and western blot techniques...
November 30, 2016: Histology and Histopathology
https://www.readbyqxmd.com/read/27892865/co-occurrence-of-a-metastatic-mammary-liposarcoma-and-an-ovarian-sex-cord-stromal-tumor-in-a-dog
#9
M Polinas, G P Burrai, V Marras, R Ariu, M T Zedda, S Pau, E Antuofermo
Sarcoma arising in the mammary gland is a rare tumor in dogs, and primary liposarcoma with metastatic behavior has never been previously reported among canine mammary tumors. A 14-year old female poodle had a mammary mass diagnosed as pleomorphic liposarcoma. Two years following surgical removal, the tumor recurred in the mammary gland with lymph node metastases. In addition, a sex-cord stromal tumor was identified in the ovary. Immunohistochemistry was performed on both tumors that were positive for oestrogen and progesterone receptors...
December 2016: Research in Veterinary Science
https://www.readbyqxmd.com/read/27892708/antitumoral-effects-of-d-fraction-from-grifola-frondosa-maitake-mushroom-in-breast-cancer
#10
Eliana Noelia Alonso, María Julia Ferronato, Norberto Ariel Gandini, María Eugenia Fermento, Diego Javier Obiol, Alejandro López Romero, Julián Arévalo, María Emilia Villegas, María Marta Facchinetti, Alejandro Carlos Curino
D-Fraction is protein-bound β-1,6 and β-1,3 glucans (proteoglucan) extracted from the edible and medicinal mushroom Grifola frondosa (Maitake). The antitumoral effect of D-Fraction has long been exclusively attributed to their immunostimulatory capacity. However, in recent years increasing evidence showed that D-Fraction directly affects the viability of canine and human tumor cells, independent of the immune system. Previously, we have reported that D-Fraction modulates the expression of genes associated with cell proliferation, cell death, migration, invasion, and metastasis in MCF7 human breast cancer cells...
January 2017: Nutrition and Cancer
https://www.readbyqxmd.com/read/27884124/community-based-interventions-to-enhance-knowledge-protective-attitudes-and-behaviors-towards-canine-rabies-results-from-a-health-communication-intervention-study-in-guangxi-china
#11
Hairong Wu, Jiao Chen, Lianbin Zou, Liefeng Zheng, Weichao Zhang, Zhenmu Meng, Ricardo J Soares Magalhaes, Youming Wang, Jingli Kang, Xiangdong Sun
BACKGROUND: In China canine rabies poses a serious public health problem in that human mortality ranks the second highest globally. While rabies health education interventions are advocated by WHO to be critical components of modern rabies control and prevention programs, available studies have not adequately investigated the relative efficacy of their implementation in at-risk populations. This study aims to measure and compare the effect on knowledge and protective behavior towards rabies of health education interventions that include a novel Short Messaging Service via cell phone (SMS) and rabies health information sessions (IS)...
November 24, 2016: BMC Infectious Diseases
https://www.readbyqxmd.com/read/27874836/whole-genome-sequence-snp-chips-and-pedigree-structure-building-demographic-profiles-in-domestic-dog-breeds-to-optimize-genetic-trait-mapping
#12
Dayna L Dreger, Maud Rimbault, Brian W Davis, Adrienne Bhatnagar, Heidi G Parker, Elaine A Ostrander
In the decade following publication of the draft genome sequence of the domestic dog, extraordinary advances with application to several fields have been credited to the canine genetic system. Taking advantage of closed breeding populations and the subsequent selection for aesthetic and behavioral characteristics, researchers have leveraged the dog as an effective natural model for the study of complex traits, such as disease susceptibility, behavior and morphology, generating unique contributions to human health and biology...
December 1, 2016: Disease Models & Mechanisms
https://www.readbyqxmd.com/read/27874835/heterotypic-mouse-models-of-canine-osteosarcoma-recapitulate-tumor-heterogeneity-and-biological-behavior
#13
Milcah C Scott, Hirotaka Tomiyasu, John R Garbe, Ingrid Cornax, Clarissa Amaya, M Gerard O'Sullivan, Subbaya Subramanian, Brad A Bryan, Jaime F Modiano
Osteosarcoma (OS) is a heterogeneous and rare disease with a disproportionate impact because it mainly affects children and adolescents. Lamentably, more than half of patients with OS succumb to metastatic disease. Clarification of the etiology of the disease, development of better strategies to manage progression, and methods to guide personalized treatments are among the unmet health needs for OS patients. Progress in managing the disease has been hindered by the extreme heterogeneity of OS; thus, better models that accurately recapitulate the natural heterogeneity of the disease are needed...
December 1, 2016: Disease Models & Mechanisms
https://www.readbyqxmd.com/read/27872333/three-dimensional-analysis-of-enamel-crack-behavior-using-optical-coherence-tomography
#14
M S Segarra, Y Shimada, A Sadr, Y Sumi, J Tagami
The aim of this study was to nondestructively analyze enamel crack behavior on different areas of teeth using 3D swept source-optical coherence tomography (SS-OCT). Ten freshly extracted human teeth of each type on each arch (n = 80 teeth) were inspected for enamel crack patterns on functional, contact and nonfunctional, or noncontact areas using 3D SS-OCT. The predominant crack pattern for each location on each specimen was noted and analyzed. The OCT observations were validated by direct observations of sectioned specimens under confocal laser scanning microscopy (CLSM)...
November 21, 2016: Journal of Dental Research
https://www.readbyqxmd.com/read/27871014/tooth-wear-pattern-analysis-in-a-sample-of-italian-early-bronze-age-population-proposal-of-a-3-d-sampling-sequence
#15
Sabrina Masotti, Nika Bogdanic, Julie Arnaud, Franco Cervellati, Emanuela Gualdi-Russo
OBJECTIVE: The purpose of this study was to assess the prevalence, distribution and intensity of tooth wear in a sample of an ancient Italian population in order to explain the pattern in terms of dietary habits and/or non-dietary tooth-use behaviors during the Early Bronze Age, with a focus on possible age-group and sex differences. DESIGN: Well-preserved permanent teeth of individuals from the Bronze Age site of Ballabio (Lecco) in northern Italy were examined for tooth wear by different methods...
February 2017: Archives of Oral Biology
https://www.readbyqxmd.com/read/27865264/changes-in-serum-biomarkers-of-oxidative-stress-after-treatment-for-canine-leishmaniosis-in-sick-dogs
#16
Camila Peres Rubio, Silvia Martinez-Subiela, Asta Tvarijonaviciute, Josefa Hernández-Ruiz, Luis Pardo-Marin, Sergi Segarra, José Joaquín Ceron
Canine leishmaniosis (CanL) is a zoonotic disease being endemic in several parts of the world. In this study we investigated the behavior of a panel of biomarkers of oxidative stress in 12 sick dogs naturally infected by CanL before and at days 30 and 180 of a successful therapy with a standard treatment. The assays total oxidant status (TOS), trolox equivalent antioxidant capacity (TEAC), ferric reducing ability of plasma (FRAP), cupric reducing antioxidant capacity (CUPRAC), serum thiol and paraoxonase 1 (PON1) were included in the panel...
December 2016: Comparative Immunology, Microbiology and Infectious Diseases
https://www.readbyqxmd.com/read/27863857/retention-and-wear-behaviors-of-two-implant-overdenture-stud-type-attachments-at-different-implant-angulations
#17
Jae-Won Choi, Ji-Hyeon Bae, Chang-Mo Jeong, Jung-Bo Huh
STATEMENT OF PROBLEM: Implant angulation should be considered when selecting an attachment. Some in vitro studies have investigated the relationship between implant angulation and changes in the retention force of the stud attachment, but few studies have evaluated the effect of cyclic loading and repeated cycles of insertion and removal on the stud attachment. PURPOSE: The purpose of this in vitro study was to evaluate the effects of implant angulation on the retentive characteristics of overdentures with 2 different stud attachments, an experimental system and O-rings in red and orange, after cyclic loading and repeated insertion and removal cycles...
November 15, 2016: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/27860243/lessons-from-the-canine-oxtr-gene-populations-variants-and-functional-aspects
#18
M Bence, P Marx, E Szantai, E Kubinyi, Z Ronai, Z Banlaki
Oxytocin receptor (OXTR) acts as a key behavioral modulator of the central nervous system, affecting social behavior, stress, affiliation and cognitive functions. Variants of the Oxtr gene are known to influence behavior both in animals and humans; however, canine Oxtr polymorphisms are less characterized in terms of possible relevance to function, selection criteria in breeding and domestication. In this report, we provide a detailed characterization of common variants of the canine Oxtr gene. In particular (1) novel polymorphisms were identified by direct sequencing of wolf and dog samples, (2) allelic distributions and pairwise linkage disequilibrium patterns of several canine populations were compared, (3) neighbor joining (NJ) tree based on common single nucleotide polymorphisms (SNPs) was constructed, (4) mRNA expression features were assessed, (5) a novel splice variant was detected and (6) in vitro functional assays were performed...
November 11, 2016: Genes, Brain, and Behavior
https://www.readbyqxmd.com/read/27815467/molecular-heterogeneity-of-canine-cutaneous-peripheral-nerve-sheath-tumors-a-drawback-in-the-diagnosis-refinement
#19
Sílvia Teixeira, Irina Amorim, Alexandra Rêma, Fátima Faria, Fátima Gärtner
BACKGROUND/AIM: Peripheral nerve sheath tumors (PNSTs) belong to a very heterogeneous group of neoplasms occurring both in dogs and humans. The aim of the present study was to evaluate the histological and immunohistochemical features of canine cutaneous PNSTs contributing to further refine their diagnosis. MATERIALS AND METHODS: The histopathological phenotype and biological behavior of 40 canine cutaneous PNSTs were evaluated and vimentin, S-100, glial fibrillary acidic protein (GFAP), neuron-specific enolase (NSE), desmin, alpha-smooth muscle actin (α-SMA) and Ki-67 immunoreactivity were assessed...
November 2016: In Vivo
https://www.readbyqxmd.com/read/27807850/temporal-behavior-of-seizures-and-interictal-bursts-in-prolonged-intracranial-recordings-from-epileptic-canines
#20
Hoameng Ung, Kathryn A Davis, Drausin Wulsin, Joost Wagenaar, Emily Fox, John J McDonnell, Ned Patterson, Charles H Vite, Gregory Worrell, Brian Litt
OBJECTIVE: Epilepsy is a chronic disorder, but seizure recordings are usually obtained in the acute setting. The chronic behavior of seizures and the interictal bursts that sometimes initiate them is unknown. We investigate the variability of these electrographic patterns over an extended period of time using chronic intracranial recordings in canine epilepsy. METHODS: Continuous, yearlong intracranial electroencephalography (iEEG) recordings from four dogs with naturally occurring epilepsy were analyzed for seizures and interictal bursts...
December 2016: Epilepsia
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