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https://www.readbyqxmd.com/read/28813431/skeleton-of-an-unusual-cat-sized-marsupial-relative-metatheria-marsupialiformes-from-the-middle-eocene-lutetian-44-43-million-years-ago-of-turkey
#1
A Murat Maga, Robin M D Beck
We describe a near-complete, three-dimensionally preserved skeleton of a metatherian (relative of modern marsupials) from the middle Eocene (Lutetian: 44-43 million years ago) Lülük member of the Uzunçarşıdere Formation, central Turkey. With an estimated body mass of 3-4 kg, about the size of a domestic cat (Felis catus) or spotted quoll (Dasyurus maculatus), it is an order of magnitude larger than the largest fossil metatherians previously known from the Cenozoic of the northern hemisphere. This new taxon is characterised by large, broad third premolars that probably represent adaptations for hard object feeding (durophagy), and its craniodental morphology suggests the capacity to generate high bite forces...
2017: PloS One
https://www.readbyqxmd.com/read/28807310/the-sustained-speed-of-kill-of-ticks-rhipicephalus-sanguineus-and-fleas-ctenocephalides-felis-felis-on-dogs-by-a-spot-on-combination-of-fipronil-and-permethrin-effitix-%C3%A2-compared-with-oral-afoxolaner-nexgard-%C3%A2
#2
Dejan Cvejić, Claudia Schneider, Willem Neethling, Klaus Hellmann, Julian Liebenberg, Christelle Navarro
The rapid speed of kill of a spot-on, combination of fipronil-permethrin (Effitix(®), Virbac) was shown against infestations of Rhipicephalus sanguineus and Ctenocephalides felis on dogs. Efficacy was determined against new infestations at weekly intervals for one month after treatment. Dogs were allocated randomly to either an untreated control or to a single administration, given on Day 0, of either topical fipronil-permethrin (6.7-13.4mg/kg and 60-120mg/kg, respectively) or oral afoxolaner (2.72-6.8mg/kg), based on pre-treatment, host-suitability flea counts...
August 30, 2017: Veterinary Parasitology
https://www.readbyqxmd.com/read/28803354/facultative-myiasis-of-domestic-cats-by-sarcophaga-argyrostoma-diptera-sarcophagidae-calliphora-vicina-and-lucilia-sericata-diptera-calliphoridae-in-northern-italy
#3
Marco Pezzi, Daniel Whitmore, Teresa Bonacci, Carlo Nicola Francesco Del Zingaro, Milvia Chicca, Massimo Lanfredi, Marilena Leis
We describe five cases of myiasis of domestic cats, Felis silvestris catus L. (Carnivora: Felidae), reported in 2016 in northern Italy and caused by three Diptera species: Sarcophaga argyrostoma (Robineau-Desvoidy) (Sarcophagidae), Calliphora vicina Robineau-Desvoidy and Lucilia sericata (Meigen) (Calliphoridae). Three were cases of traumatic myiasis, one by S. argyrostoma and two by L. sericata, one was a case of auricular myiasis by C. vicina and one was a case of ophthalmomyiasis caused by an association of L...
August 12, 2017: Parasitology Research
https://www.readbyqxmd.com/read/28792943/discovery-of-aspergillus-frankstonensis-sp-nov-during-environmental-sampling-for-animal-and-human-fungal-pathogens
#4
Jessica J Talbot, Jos Houbraken, Jens C Frisvad, Robert A Samson, Sarah E Kidd, John Pitt, Sue Lindsay, Julia A Beatty, Vanessa R Barrs
Invasive fungal infections (IFI) due to species in Aspergillus section Fumigati (ASF), including the Aspergillus viridinutans species complex (AVSC), are increasingly reported in humans and cats. The risk of exposure to these medically important fungi in Australia is unknown. Air and soil was sampled from the domiciles of pet cats diagnosed with these IFI and from a nature reserve in Frankston, Victoria, where Aspergillus viridinutans sensu stricto was discovered in 1954. Of 104 ASF species isolated, 61% were A...
2017: PloS One
https://www.readbyqxmd.com/read/28774495/wild-and-domestic-animals-likely-involved-in-rickettsial-endemic-zones-of-northwestern-colombia
#5
Andrés F Londoño, Leidy Y Acevedo-Gutiérrez, Diana Marín, Verónica Contreras, Francisco J Díaz, Gustavo Valbuena, Marcelo B Labruna, Marylin Hidalgo, Margarita Arboleda, Salim Mattar, Sergio Solari, Juan D Rodas
Between 2006 and 2008, three outbreaks of human rickettsiosis occurred in Northwestern Colombia (municipalities of Necoclí, Los Córdobas and Turbo), with case fatality rates between 27% and 54%. The aim of this study was to determine previous exposure of wild and domestic animals to spotted fever group (SFG) rickettsiae through serological tests, to detect rickettsial evidence in their ectoparasites, and to analyze their possible role in the epidemiology of rickettsial diseases in this zone of the country...
July 21, 2017: Ticks and Tick-borne Diseases
https://www.readbyqxmd.com/read/28770201/follicular-conjunctivitis-due-to-chlamydia-felis-case-report-review-of-the-literature-and-improved-molecular-diagnostics
#6
Juliana Wons, Ralph Meiller, Antonio Bergua, Christian Bogdan, Walter Geißdörfer
A 29-year-old woman presented with unilateral, chronic follicular conjunctivitis since 6 weeks. While the conjunctival swab taken from the patient's eye was negative in a Chlamydia (C.) trachomatis-specific PCR, C. felis was identified as etiological agent using a pan-Chlamydia TaqMan-PCR followed by sequence analysis. A pet kitten of the patient was found to be the source of infection, as its conjunctival and pharyngeal swabs were also positive for C. felis. The patient was successfully treated with systemic doxycycline...
2017: Frontiers in Medicine
https://www.readbyqxmd.com/read/28761492/gastrointestinal-helminths-and-ectoparasites-in-the-stray-cats-felidae-felis-catus-of-ahar-municipality-northwestern-iran
#7
Mohammad Yakhchali, Nasser Hajipour, Reza Malekzadeh-Viayeh, Bijan Esmaeilnejad, Taher Nemati-Haravani, Mohammad Fathollahzadeh, Rasool Jafari
BACKGROUND: The stray cats are considered as the sources of emerging humans and domestic livestock pathogens and the zoonoses of public health importance. The present study was aimed to elucidate intestinal helminth infections and infestation with ectoparasites of the stray cats of Ahar City, northwestern Iran. METHODS: Totally, 51 stray cats were randomly trapped from different parts of the city between Mar and Nov 2013. The cats were assessed for ectoparasites by hair brushing, skin scraping, acetate tape preparation and othic swabs...
April 2017: Iranian Journal of Parasitology
https://www.readbyqxmd.com/read/28761483/road-killed-carnivores-illustrate-the-status-of-zoonotic-helminthes-in-caspian-sea-littoral-of-iran
#8
Aida Vafae Eslahi, Eshrat Beigom Kia, Iraj Mobedi, Meysam Sharifdini, Milad Badri, Gholamreza Mowlavi
BACKGROUND: Carnivore carcasses on the roads can be regarded as study materials in parasitology and eco-epidemiology. Stray carnivores such as dogs and cats are known to harbor so many different pathogens like zoonotic helminthes. The current investigation, apparent the status of the helminthic parasites found in road killed carnivores from different parts of Guilan Province north of Iran. METHODS: Fifty road killed carnivores including 27 stray dogs (Canis familiaris), 11 golden jackals (Canis aureus) and 12 stray cats (Felis catus) were collected from 21 locations of Guilan Province, during Apr to Nov 2015...
April 2017: Iranian Journal of Parasitology
https://www.readbyqxmd.com/read/28759721/microchip-circulation-drastically-accelerates-amyloid-aggregation-of-1-42-%C3%AE-amyloid-peptide-from-felis-catus
#9
Witold Gospodarczyk, Maciej Kozak
Amyloid aggregation process of amyloid beta 1-42 peptide is responsible for Alzheimer disease, concerning millions of elderly people worldwide. Although there has a great deal of attention made to tackle this disease, there still has not been found any medicine for this fatal disorder. In order to come against this challenge, it is vital to thoroughly understand the molecular mechanism underlying peptide amyloid aggregation process, as well as seek for substances which could hamper this aggregation. In order to shed light on mechanisms leading to amyloidogenesis, we employed a microfluidic system to determine the possible influence of in vivo-like flow in microchip channel itself on peptide amyloidogenesis...
July 31, 2017: ACS Chemical Neuroscience
https://www.readbyqxmd.com/read/28757039/genomic-characterisation-of-felis-catus-papillomavirus-type-5-with-proposed-classification-within-a-new-papillomavirus-genus
#10
John S Munday, Keren E Dittmer, Neroli A Thomson, Simon F Hills, Rebecca E Laurie
Four Felis catus papillomavirus (FcaPV) types have been fully sequenced from domestic cats. Of these, FcaPV-2 and -3 are thought to cause feline viral plaques and Bowenoid in situ carcinomas. Two short sequences of DNA from a previously unreported PV type were amplified from a feline viral plaque using consensus PCR primers. DNA was then extracted from a swab of the lesion and two sets of 'outward facing' primers were designed using the short sequences to amplify the entire 7600bp genome of the novel PV. The PV was designated FcaPV-5 and contained putative coding regions that were predicted to produce five early proteins and two late ones...
August 2017: Veterinary Microbiology
https://www.readbyqxmd.com/read/28752684/amblyomma-sculptum-genetic-diversity-and-rickettsias-in-the-brazilian-cerrado-biome
#11
K Bitencourth, M Amorim, S V DE Oliveira, R L Caetano, C M Voloch, G S Gazêta
Amblyomma sculptum (Ixodida: Ixodidae) Berlese, 1888 is the most important tick vector in Brazil, transmitting the bioagent of the most severe form of spotted fever (SF) in part of the Cerrado (in the states of Minas Gerais and São Paulo). In another part of the Cerrado (Central-West region of Brazil), a milder form of SF has been recorded. However, neither the rickettsia nor the vector involved have been characterized. The aim of the current study was to analyse genetic variation and the presence of rickettsia in A...
July 28, 2017: Medical and Veterinary Entomology
https://www.readbyqxmd.com/read/28751224/molecular-cloning-and-functional-characterization-of-eleven-subtypes-of-interferon-%C3%AE-in-amur-tigers-panthera-tigris-altaica
#12
Hongjing Zhao, Jian Ma, Yu Wang, Juanjuan Liu, Yizhi Shao, Jinglun Li, Guangshun Jiang, Mingwei Xing
Interferon has a broad-spectrum of antiviral effects and represents an ideal choice for the development of antiviral drugs. Nonetheless, information about alpha interferon (IFN-α) is vacant in Amur tiger (Panthera tigris altaica), an endangered species and indigenous to northeast Asia. Herein, 11 PtIFN-αs genes, which encoded proteins of 164-165 amino acids, were amplified. Afterwards, expression and purification were conducted in Escherichia coli. In physicochemical analysis, PtIFN-αs were shown to be highly sensitive to trypsin and remained stable despite changes in pH and temperature...
July 24, 2017: Developmental and Comparative Immunology
https://www.readbyqxmd.com/read/28749642/combination-therapy-with-low-copper-diet-penicillamine-and-gamma-knife-radiosurgery-reduces-vegf-and-il-8-in-patients-with-recurrent-glioblastoma
#13
Alireza Feli, Shima Jazayeri, Mohammad Ali Bitaraf, Masoud Solaymani Dodaran, Karim Parastouei, Mohammad Javad Hosseinzadeh-Attar
Purpose: Vascular Endothelial Growth Factor (VEGF) and interleukin-8 (IL-8) appear important in tumor growth. In this study, we have investigated the effect of copper reduction along with gamma knife radiosurgery on IL-8 and VEGF in patients with recurrent glioblastoma multiforme (GBM). Materials and Methods: In a 3-month randomized clinical trial, patients with recurrent GBM were allocated randomly between intervention and placebo groups. Radiosurgery was performed for both groups (Reference dose: 16-18 Gray, in one fraction)...
July 27, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/28749292/molecular-detection-of-infectious-pathogens-of-the-upper-respiratory-tract-in-captive-nondomestic-felids
#14
Valéria M Lara, Julia C Benassi, Shayne P Bisetto, Trícia M de Oliveira, Helena L Ferreira, João P Araújo Júnior, Adriano B Carregaro
Upper respiratory tract disease is a complex infectious disease process with multiple pathogens involved. Identification of infectious agents in wild animals is of great importance for wildlife conservation. The aim of this study was to evaluate the molecular detection of feline herpesvirus type 1, feline calicivirus (FCV), Bordetella bronchiseptica , Chlamydophila felis , and Mycoplasma felis using ocular and nasal swabs in three species of captive nondomestic felids. Mycoplasma felis was detected in two ocular samples of Puma concolor and in one nasal sample of one Panthera onca ...
June 2017: Journal of Zoo and Wildlife Medicine: Official Publication of the American Association of Zoo Veterinarians
https://www.readbyqxmd.com/read/28746448/fatal-toxoplasmosis-in-an-immunosuppressed-domestic-cat-from-brazil-caused-by-toxoplasma-gondii-clonal-type-i
#15
Hilda Fátima de Jesus Pena, Camila Mariellen Evangelista, Renata Assis Casagrande, Giovana Biezus, Claudia Salete Wisser, Paulo Eduardo Ferian, Anderson Barbosa de Moura, Veronica Machado Rolim, David Driemeier, Solange Oliveira, Bruna Farias Alves, Solange Maria Gennari, Sandra Davi Traverso
The objective of the study was to report on a fatal case of feline toxoplasmosis with coinfection with the feline leukemia virus (FeLV). A domestic cat (Felis silvestris catus) presented intense dyspnea and died three days later. In the necropsy, the lungs were firm, without collapse and with many white areas; moderate lymphadenomegaly and splenomegaly were also observed. The histopathological examination showed severe necrotic interstitial bronchopneumonia and mild necrotic hepatitis, associated with intralesional cysts and tachyzoites of Toxoplasma gondii that were positive by anti-T...
April 2017: Revista Brasileira de Parasitologia Veterinária, Brazilian Journal of Veterinary Parasitology
https://www.readbyqxmd.com/read/28739647/compensatory-distal-reabsorption-drives-diuretic-resistance-in-human-heart-failure
#16
Veena S Rao, Noah Planavsky, Jennifer S Hanberg, Tariq Ahmad, Meredith A Brisco-Bacik, Francis P Wilson, Daniel Jacoby, Michael Chen, W H Wilson Tang, David Z I Cherney, David H Ellison, Jeffrey M Testani
Understanding the tubular location of diuretic resistance (DR) in heart failure (HF) is critical to developing targeted treatment strategies. Rodents chronically administered loop diuretics develop DR due to compensatory distal tubular sodium reabsorption, but whether this translates to human DR is unknown. We studied consecutive patients with HF (n=128) receiving treatment with loop diuretics at the Yale Transitional Care Center. We measured the fractional excretion of lithium (FELi), the gold standard for in vivo assessment of proximal tubular and loop of Henle sodium handling, to assess sodium exit after loop diuretic administration and FENa to assess the net sodium excreted into the urine...
July 24, 2017: Journal of the American Society of Nephrology: JASN
https://www.readbyqxmd.com/read/28733835/competition-and-coexistence-in-a-small-carnivore-guild
#17
Jacques de Satgé, Kristine Teichman, Bogdan Cristescu
The potential for strong competition among small sympatric carnivores results in a need for coexistence strategies whereby competitors partition along spatial, temporal and dietary axes as a means to reduce ecological overlaps. We determined spatial and temporal partitioning patterns of a guild of small African carnivores: the African wildcat Felis silvestris lybica, grey mongoose Galerella pulverulenta, small-spotted genet Genetta genetta, striped polecat Ictonyx striatus, and the yellow mongoose Cynictis penicillata...
July 21, 2017: Oecologia
https://www.readbyqxmd.com/read/28726772/mice-lacking-nf-%C3%AE%C2%BAb1-exhibit-marked-dna-damage-responses-and-more-severe-gastric-pathology-in-response-to-intraperitoneal-tamoxifen-administration
#18
Michael D Burkitt, Jonathan M Williams, Tristan Townsend, Rachael Hough, DMark Pritchard
Tamoxifen (TAM) has recently been shown to cause acute gastric atrophy and metaplasia in mice. We have previously demonstrated that the outcome of Helicobacter felis infection, which induces similar gastric lesions in mice, is altered by deletion of specific NF-κB subunits. Nfkb1(-/-) mice developed more severe gastric atrophy than wild-type (WT) mice 6 weeks after H. felis infection. In contrast, Nfkb2(-/-) mice were protected from this pathology. We therefore hypothesized that gastric lesions induced by TAM may be similarly regulated by signaling via NF-κB subunits...
July 20, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28724438/synergy-between-dinotefuran-and-fipronil-against-the-cat-flea-ctenocephalides-felis-improved-onset-of-action-and-residual-speed-of-kill-in-adult-cats
#19
Romain Delcombel, Hamadi Karembe, Bakela Nare, Audrey Burton, Julian Liebenberg, Josephus Fourie, Marie Varloud
BACKGROUND: The cat flea, Ctenocephalides felis felis (C. felis), is a cosmopolitan hematophagous ectoparasite, and is considered to be the most prevalent flea species in both Europe and the USA. Clinical signs frequently associated with flea bites include pruritus, dermatitis and in severe cases even pyodermatitis and alopecia. Ctenocephalides felis is also a vector for several pathogens and is an intermediate host for the cestode Dipylidium caninum. Treatment of cats with a fast-acting pulicide, that is persistently effective in protecting the animal against re-infestation, is therefore imperative to their health...
July 19, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28722283/comparative-analysis-of-storage-conditions-and-homogenization-methods-for-tick-and-flea-species-for-identification-by-maldi-tof-ms
#20
A Nebbak, B El Hamzaoui, J-M Berenger, I Bitam, D Raoult, L Almeras, P Parola
Ticks and fleas are vectors for numerous human and animal pathogens. Controlling them, which is important in combating such diseases, requires accurate identification, to distinguish between vector and non-vector species. Recently, matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF-MS) was applied to the rapid identification of arthropods. The growth of this promising tool, however, requires guidelines to be established. To this end, standardization protocols were applied to species of Rhipicephalus sanguineus (Ixodida: Ixodidae) Latreille and Ctenocephalides felis felis (Siphonaptera: Pulicidae) Bouché, including the automation of sample homogenization using two homogenizer devices, and varied sample preservation modes for a period of 1-6 months...
July 19, 2017: Medical and Veterinary Entomology
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