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https://www.readbyqxmd.com/read/29456904/felis-punctatis-cat-claw-induced-punctures
#1
Philip R Cohen, Douglas S Ramsay
Animal-induced conditions in humans predominantly present as infectious zoonoses. However, trauma-associated injuries from the teeth or claws can also occur. Several zoonotic infections can be transmitted by cats, a common household pet, to their owners. The clinical features of a woman who developed multiple sites of trauma-induced cutaneous punctures from her cat's paws while it was kneading on her clothes-covered abdomen are described. The repetitive insertion and withdrawal of the sharp tips of the cat's claws created distinctive groups of erythematous punctures on the patient's skin...
December 8, 2017: Curēus
https://www.readbyqxmd.com/read/29451890/detection-of-bartonella-spp-in-fleas-by-maldi-tof-ms
#2
Basma El Hamzaoui, Maureen Laroche, Lionel Almeras, Jean Michel Bérenger, Didier Raoult, Philippe Parola
BACKGROUND: Matrix-Assisted Laser Desorption/Ionization Time-of-Flight Mass Spectrometry (MALDI-TOF MS) has recently emerged in the field of entomology as a promising method for the identification of arthropods and the detection of associated pathogens. METHODOLOGY/PRINCIPAL FINDINGS: An experimental model of Ctenocephalides felis (cat fleas) infected with Bartonella quintana and Bartonella henselae was developed to evaluate the efficacy of MALDI-TOF MS in distinguishing infected from uninfected fleas, and its ability to distinguish fleas infected with Bartonella quintana from fleas infected with Bartonella henselae...
February 16, 2018: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/29443953/a-comparison-of-cats-felis-silvestris-catus-housed-in-groups-and-single-cages-at-a-shelter-a-retrospective-matched-cohort-study
#3
Malini Suchak, Jacalyn Lamica
The merits of various housing options for domestic cats in shelters have been debated. However, comparisons are difficult to interpret because cats are typically not able to be randomly assigned to different housing conditions. In the current study, we attempted to address some of these issues by creating a retrospective matched cohort of cats in two housing types. Cats in group housing (GH) were matched with cats in single housing (SH) that were the same age, sex, breed, coat color, and size. Altogether we were able to find a match for 110 GH cats...
February 14, 2018: Animals: An Open Access Journal From MDPI
https://www.readbyqxmd.com/read/29432930/the-intake-of-water-containing-a-mix-of-pollutants-at-environmentally-relevant-concentrations-leads-to-defensive-response-deficit-in-male-c57bl-6j-mice
#4
Joyce Moreira de Souza, Letícia Martins Rabelo, Denise Braga Gomes de Faria, Abraão Tiago Batista Guimarães, Wellington Alves Mizael da Silva, Thiago Lopes Rocha, Fernanda Neves Estrela, Thales Quintão Chagas, Bruna de Oliveira Mendes, Guilherme Malafaia
Previous studies have individually confirmed the toxic effects from different pollutants on mammals. However, effects resulting from the exposure of these animals to multi-pollutant mixes have not been studied so far. Thus, the aim of the current study is to assess the effect from the chronic exposure (105days) of C57Bl/6J mice to a mix of pollutants on their response to potential predators. In order to do so, the following groups were formed: "control", "Mix 1× [compounds from 15 pollutants identified in surface waters at environmentally relevant concentration (ERC)]", "Mix 10×" and "Mix 25×" (concentrations 10 and 25 times higher than the ERC)...
February 9, 2018: Science of the Total Environment
https://www.readbyqxmd.com/read/29428847/cryopreservation-of-domestic-cat-felis-catus-ovarian-tissue-comparison-of-two-vitrification-methods
#5
D C C Brito, S F S Domingues, A P R Rodrigues, C Maside, F O Lunardi, X Wu, J R Figueiredo, J C Pieczarka, R R Santos
We aimed to evaluate the effect of two vitrification methods on the morphology and functionality of vitrified feline preantral follicles. Feline ovarian tissue was vitrified with EG + trehalose combined or not with dimethyl sulphoxide (DMSO), using two different techniques (open or closed systems). Morphology, developmental capacity and mRNA expression of markers for follicle survival and quality were assessed before and after in vitro culture (IVC). Both vitrification and culture media were serum-free. Vitrification of feline ovarian tissue from five adult domestic cats was performed with EG + trehalose combined or not with DMSO...
January 31, 2018: Theriogenology
https://www.readbyqxmd.com/read/29422447/high-diversity-of-blood-associated-parasites-and-bacteria-in-european-wild-cats-in-bosnia-and-herzegovina-a-molecular-study
#6
Adnan Hodžić, Amer Alić, Georg Gerhard Duscher
Wild felids may play a significant role in the transmission of various pathogens to domestic cats, in particular, but also to other animals and humans. However, since data on the occurrence of blood-borne organisms in European wild cats (Felis silvestris silvestris) are scarce, the present study aimed to provide an insight into the genetic diversity of the agents carried by this sylvatic species in Bosnia and Herzegovina and to elucidate their pathogenic impact. Tissue samples from 18 adult wild cats were collected and examined by PCR and histopathology...
February 1, 2018: Ticks and Tick-borne Diseases
https://www.readbyqxmd.com/read/29417587/hyperactive-gp130-stat3-driven-gastric-tumourigenesis-promotes-submucosal-tertiary-lymphoid-structure-development
#7
David G Hill, Liang Yu, Hugh Gao, Jesse J Balic, Alison West, Hiroko Oshima, Louise McLeod, Masanobu Oshima, Awen Gallimore, Kimberley D'Costa, Prithi S Bhathal, William Sievert, Richard L Ferrero, Brendan J Jenkins, Gareth W Jones
Tertiary lymphoid structures (TLSs) display phenotypic and functional characteristics of secondary lymphoid organs, and often develop in tissues affected by chronic inflammation, as well as in certain inflammation-associated cancers where they are prognostic of improved patient survival. However, the mechanisms that govern the development of tumour-associated TLSs remain ill-defined. Here, we observed tumour-associated TLSs in a preclinical mouse model (gp130F/F ) of gastric cancer, where tumourigenesis is dependent on hyperactive STAT3 signalling through the common IL-6 family signalling receptor, gp130...
February 8, 2018: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/29414992/can-we-induce-spermatogenesis-in-the-domestic-cat-using-an-in-vitro-tissue-culture-approach
#8
Andreia F Silva, Sara Escada-Rebelo, Sandra Amaral, Renata S Tavares, Stefan Schlatt, João Ramalho-Santos, Paula C Mota
The reduced number of animals in most wild felid populations implies a loss of genetic diversity. The death of juveniles, prior to the production of mature sperm, represents a loss of potential genetic contribution to future populations. Since 2011 mouse testicular organ culture has introduced an alternative mechanism to produce sperm in vitro from immature tissue. However, extension of this technology to other species has remained limited. We have used the domestic cat (Felis catus) as a model for wild felids to investigate spermatogenesis initiation and regulation, with the mouse serving as a control species...
2018: PloS One
https://www.readbyqxmd.com/read/29408036/first-detection-of-feline-hemoplasmas-in-free-ranging-jaguars-panthera-onca
#9
Mariana Malzoni Furtado, Sueli Akemi Taniwaki, Betina Metzger, Lucia Helena O'Dwyer, Karina Dos Santos Paduan, Anah Tereza de Almeida Jácomo, Grasiela Edith de Oliveira Porfírio, Leandro Silveira, Rahel Sollmann, Natália Mundim Tôrres, José Soares Ferreira Neto
Species of hemoplasmas have been described worldwide, but little information is available for wild felids. Between February 2000 and January 2010, blood samples were collected from 30 jaguars (Panthera onca) and 22 domestic cats (Felis catus) from the Cerrado, Pantanal and Amazon biomes of Brazil. In all samples molecular tests were performed for Mycoplasma haemofelis/Mycoplasma haemocanis (Mhf/Mhc), 'Candidatus Mycoplasma haemominutum' (CMhm) and 'Candidatus Mycoplasma turicensis' (CMt). Twenty-two (73.4%) jaguars and four domestic cats (18...
February 2018: Veterinary Microbiology
https://www.readbyqxmd.com/read/29406595/tritrichomonas-foetus-and-mycoplasma-felis-coinfection-in-the-upper-respiratory-tract-of-a-cat-with-chronic-purulent-discharge
#10
Luca Pazzini, Linda Mugnaini, Francesca Mancianti, Lorenzo Ressel
A 5-year-old indoor male neutered Siamese cat was presented with clinical signs of sneezing and chronic bilateral purulent nasal discharge. Multiple nasal cavity swabs were submitted for bacterial cultures, Mycoplasma felis-DNA qPCR, and cytology. M felisqPCR was positive and cytomorphologic diagnosis was severe, acute, purulent, rhinitis with intralesional protozoal microorganisms consistent with a Trichomonas spp. Nested PCR (nPCR) confirmed the diagnosis of Tritrichomonas foetus. Systemic therapy with doxycycline for M felis and metronidazole for T foetus was started with remission of clinical signs within 2 weeks; however, symptoms relapsed shortly after therapy was discontinued...
February 6, 2018: Veterinary Clinical Pathology
https://www.readbyqxmd.com/read/29398604/high-prevalence-of-rickettsia-helvetica-in-wild-small-mammal-populations-in-germany
#11
Stefan Fischer, Nastasja G Spierling, Elisa Heuser, Christopher Kling, Sabrina Schmidt, Ulrike M Rosenfeld, Daniela Reil, Christian Imholt, Jens Jacob, Rainer G Ulrich, Sandra Essbauer
Since the beginning of the 21st century, spotted fever rickettsioses are known as emerging diseases worldwide. Rickettsiae are obligately intracellular bacteria transmitted by arthropod vectors. The ecology of Rickettsia species has not been investigated in detail, but small mammals are considered to play a role as reservoirs. Aim of this study was to monitor rickettsiae in wild small mammals over a period of five years in four federal states of Germany. Initial screening of ear pinna tissues of 3939 animals by Pan-Rick real-time PCR targeting the citrate synthase (gltA) gene revealed 296 rodents of seven species and 19 shrews of two species positive for rickettsial DNA...
February 2, 2018: Ticks and Tick-borne Diseases
https://www.readbyqxmd.com/read/29383501/parasites-of-small-indian-mongoose-herpestes-auropunctatus-on-st-kitts-west-indies
#12
Trista Cheng, Brandon Halper, Jennifer Siebert, Luis Cruz-Martinez, Aspinas Chapwanya, Patrick Kelly, Jennifer K Ketzis, Jeffrey Vessell, Liza Köster, Chaoqun Yao
Herpestes auropunctatus, the small Indian mongoose, is an invasive omnivore introduced to the Caribbean, including the island of St. Kitts over 150 years ago. It has played a role in changing native fauna and can carry zoonotic pathogens of public health importance. The aim of the current study was to estimate the prevalence of parasites harbored by mongooses. In total, 87 mongooses trapped from April to July 2015 were examined for parasites using (1) hair plucks (N = 79), ear swabs (N = 79), and general coat and skin examination (N = 87) for mites, ticks, lice, and fleas; (2) dissection of the trachea, bronchi, and lungs for lungworms and flukes (N = 76); (3) a double centrifugation fecal flotation method for parasites of the gastrointestinal tract (N = 75); and (4) PCR of heart homogenates for Toxoplasma gondii (N = 60)...
January 30, 2018: Parasitology Research
https://www.readbyqxmd.com/read/29382052/exploring-the-gaps-in-practical-ethical-guidance-for-animal-welfare-considerations-of-field-interventions-and-innovations-targeting-dogs-and-cats
#13
Louisa Tasker, Susan F Getty, Joyce R Briggs, Valerie A W Benka
Domestic dogs (Canis lupus familiaris) and cats (Felis silvestris catus) are common species targeted by nongovernmental or intergovernmental organizations, veterinarians and government agencies worldwide, for field interventions (e.g., population management, rabies vaccination programs) or innovations (e.g., development of technologies or pharmaceuticals to improve animal welfare). We have a moral responsibility to ensure that the conduct of this work is humane for dogs or cats, and to consider the human communities in which the animals live...
January 27, 2018: Animals: An Open Access Journal From MDPI
https://www.readbyqxmd.com/read/29377112/a-fast-and-reliable-real-time-pcr-method-for-detection-of-ten-animal-species-in-meat-products
#14
Lissandra Sousa Dalsecco, Rafael Melo Palhares, Pollyana Carvalho Oliveira, Lilian Viana Teixeira, Marcela Gonçalves Drummond, Denise Aparecida Andrade de Oliveira
Species substitution in meat products is a common problem reported worldwide. This type of food fraud is, typically, an intentional act for economic gain, using sources of low-priced meats in high-value meat products. Consequences include economic, health, and religious concerns. Highly sensitive and efficient techniques are thus required to detect meat species. This paper describes a method based on real-time PCR to detect 10 animal species (Bos taurus, Sus scrofa, Ovis aries, Capra hircus, Gallus gallus, Meleagris gallopavo, Bubalus bubalis, Equus caballus, Felis catus, and Canis familiaris) in meat product...
January 27, 2018: Journal of Food Science
https://www.readbyqxmd.com/read/29369728/introduction-and-establishment-of-raccoon-rabies-on-islands-jekyll-island-georgia-as-a-case-study
#15
Sebastian Ortiz, Sonia M Hernandez, Michael J Yabsley, Trista I Becker, Benjamin Carswell, Yank Moore, Heather Fenton, Charlie S Bahnson, Kevin Niedringhaus, Elizabeth Elsmo, Lillian Orciari, Pamela Yager, Nancy L Stedman, Steven E Nelson, Terry M Norton
  The introduction of rabies virus (RABV) to barrier islands, which are often popular tourist destinations with resource-rich habitats and connectivity and proximity to the mainland, is especially concerning because it can easily become endemic due to factors like dense rabies-vector populations (e.g., raccoons [ Procyon lotor]), high inter- and intraspecies contact rates, and anthropogenic activities such as supplemental feeding of feral cats ( Felis catus). In January 2013, a neurologic raccoon found on the Jekyll Island (JI), Georgia causeway tested positive for rabies...
January 25, 2018: Journal of Wildlife Diseases
https://www.readbyqxmd.com/read/29347954/a-reverse-vaccinology-approach-to-the-identification-and-characterization-of-ctenocephalides-felis-candidate-protective-antigens-for-the-control-of-cat-flea-infestations
#16
Marinela Contreras, Margarita Villar, Sara Artigas-Jerónimo, Lidiia Kornieieva, Sergіі Mуtrofanov, José de la Fuente
BACKGROUND: Despite the abundance of the domestic cat flea, Ctenocephalides felis (Bouché, 1835) and disease risks associated with them, flea control is difficult and requires the development of new control interventions such as vaccines. In this study, a reverse vaccinology approach was designed to achieve a rational selection of cat flea candidate protective antigens. METHODS: Based on transcriptomics and proteomics data from unfed adult fleas it was possible to select more specific candidate protective antigens based on highly represented and functionally relevant proteins present in the predicted exoproteome...
January 18, 2018: Parasites & Vectors
https://www.readbyqxmd.com/read/29343198/localization-of-felis-catus-papillomavirus-type-2-e6-and-e7-rna-in-feline-cutaneous-squamous-cell-carcinoma
#17
Nathan Hoggard, John S Munday, Jennifer Luff
Findings from polymerase chain reaction-based methods have suggested a role of Felis catus papillomavirus 2 (FcaPV-2) in the development of feline cutaneous squamous cell carcinoma (SCC). However, because polymerase chain reaction cannot localize deoxyribonucleic acid or ribonucleic acid within the lesion, it is difficult to differentiate a coincidental FcaPV-2 infection and a causative association. Given that a key event in the pathogenesis of human papillomavirus-induced cancer is the expression of viral E6 and E7 oncogenes, localization of FcaPV-2 E6 and E7 transcription within neoplastic cells in feline SCCs would support a causative role for this papillomavirus...
January 1, 2018: Veterinary Pathology
https://www.readbyqxmd.com/read/29336689/a-molecular-survey-of-tick-borne-pathogens-from-ticks-collected-in-central-queensland-australia
#18
Melissa Judith Chalada, John Stenos, Gemma Vincent, Dayana Barker, Richard Stewart Bradbury
Central Queensland (CQ) is a large and isolated, low population density, remote tropical region of Australia with a varied environment. The region has a diverse fauna and several species of ticks that feed upon that fauna. This study examined 518 individual ticks: 177 Rhipicephalus sanguineus (brown dog tick), 123 Haemaphysalis bancrofti (wallaby tick), 102 Rhipicephalus australis (Australian cattle tick), 47 Amblyomma triguttatum (ornate kangaroo tick), 57 Ixodes holocyclus (paralysis tick), 9 Bothriocroton tachyglossi (CQ short-beaked echidna tick), and 3 Ornithodoros capensis (seabird soft tick)...
January 16, 2018: Vector Borne and Zoonotic Diseases
https://www.readbyqxmd.com/read/29322521/fitting-unanchored-puzzle-pieces-in-the-skeleton-appropriate-3d-scapular-positions-for-the-quadrupedal-support-in-tetrapods
#19
Shin-Ichi Fujiwara
Deducing the scapular positions of extinct tetrapod skeletons remains difficult, because the scapulae and rib cage are connected with each other not directly by skeletal joint, but by thoracic muscles. In extant non-testudine quadrupedal tetrapods, the top positions of the scapulae/suprascapulae occur at the anterior portion of the rib cage, above the vertebral column and near the median plane. The adequacy of this position was tested using three-dimensional mechanical models of Felis, Rattus and Chamaeleo that assumed stances on a forelimb on a single side and the hindlimbs...
January 11, 2018: Journal of Anatomy
https://www.readbyqxmd.com/read/29312813/domestic-carnivore-interactions-with-wildlife-in-the-cape-horn-biosphere-reserve-chile-husbandry-and-perceptions-of-impact-from-a-community-perspective
#20
Elke Schüttler, Lorena Saavedra-Aracena, Jaime E Jiménez
Background: Hundreds of millions of domestic carnivores worldwide have diverse positive affiliations with humans, but can provoke serious socio-ecological impacts when free-roaming. Unconfined dogs (Canis familiaris) and cats (Felis catus) interact with wildlife as predators, competitors, and disease-transmitters; their access to wildlife depends on husbandry, perceptions, attitudes, and behaviors of pet owners and non-owners. Methods: To better understand husbandry and perceptions of impacts by unconfined, domestic carnivores, we administered questionnaires (n = 244) to pet owners and non-owners living in one of the last wilderness areas of the world, the Cape Horn Biosphere Reserve, located in southern Chile...
2018: PeerJ
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