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Journal of Veterinary Medical Science

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https://www.readbyqxmd.com/read/28529273/septicemic-invasive-klebsiella-pneumoniae-infection-in-a-cynomolgus-monkey-macaca-fascicularis-with-severe-diffused-suppurative-meningoencephalitis
#1
Kazufumi Kasuya, Kou Takayama, Makiko Bito, Natsumi Shimokubo, Ryosuke Kawashima, Tomoyuki Shibahara
A 2-year-old male cynomolgus monkey (Macaca fascicularis) showed neurological symptoms during quarantine for importation into Japan, and was euthanized due to poor prognosis. Gross anatomical examination revealed a hemorrhagic lesion around the lateral ventricle in the cerebrum. Histologically, severe diffused suppurative meningitis and ventriculitis were detected with numerous Gram-negative bacilli in the cerebrum. Immunohistochemically, the bacilli were positively stained with an antibody against Klebsiella pneumoniae...
May 22, 2017: Journal of Veterinary Medical Science
https://www.readbyqxmd.com/read/28529272/congenital-anterior-staphyloma-associated-with-peters-anomaly-and-aphakia-in-a-holstein-calf
#2
Reiichiro Sato, Ken Onda, Masaru Murakami, Daiya Ito, Hiroo Madarame
A Holstein calf was born with a large protruding right eye and a central corneal opacity. Enucleation was the first choice of treatment. The calf had a good prognosis and was raised for milking purposes. Macroscopically, the enucleated eye was characterized by the protruded cornea, adherence of the iris to the central posterior cornea and aphakia. Microscopically, central corneal thickening and a defect in the endothelium and Descemet's membrane were observed. These data suggest that this represents a case of unilateral anterior segment dysgenesis consistent with congenital corneal staphyloma with Peters' anomaly and aphakia...
May 22, 2017: Journal of Veterinary Medical Science
https://www.readbyqxmd.com/read/28529271/evidence-of-infection-with-leptospira-interrogans-and-spotted-fever-group-rickettsiae-among-rodents-in-an-urban-area-of-osaka-city-japan
#3
Kenta Shimizu, Rie Isozumi, Kazutoshi Takami, Isao Kimata, Kanae Shiokawa, Kumiko Yoshimatsu, Yoshimi Tsuda, Sanae Nishio, Jiro Arikawa
We examined 33 rodents captured in an urban area of Osaka City, Japan for IgG antibodies against Seoul virus, severe fever with thrombocytopenia syndrome virus, hepatitis E virus, Leptospira interrogans, Yersinia pestis, spotted fever, typhus and scrub typhus group rickettsiae. We found that 3 (9.1%) and 1 (3.0%) of the 33 rodents had antibodies against L. interrogans and spotted fever group rickettsiae, respectively. DNAs of leptospires were detected from 2 of the 3 seropositive rodents, but DNA of rickettsia was not detected...
May 22, 2017: Journal of Veterinary Medical Science
https://www.readbyqxmd.com/read/28529270/pancreatic-abscess-in-a-cat-due-to-staphylococcus-aureus-infection
#4
Yuki Nemoto, Tomoya Haraguchi, Takako Shimokawa Miyama, Kosuke Kobayashi, Kaori Hama, Yosuke Kurogouchi, Noriyuki Fujiki, Kenji Baba, Masaru Okuda, Takuya Mizuno
A 16-year-old spayed female American Shorthair cat was presented with lethargy, anorexia, and wamble. Physical and blood examination did not reveal any remarkable findings. Abdominal ultrasonography identified the presence of a localized anechoic structure with a thick wall in contact with the small intestine and adjacent to the liver. Ultrasound-guided fine-needle aspiration of the structure revealed fluid containing numerous cocci and neutrophils. Two days after antibiotic treatment, exploratory laparotomy was performed and the content of the structure was removed before multiple lavages...
May 22, 2017: Journal of Veterinary Medical Science
https://www.readbyqxmd.com/read/28529244/identification-of-tumor-initiating-cells-derived-from-two-canine-rhabdomyosarcoma-cell-lines
#5
Takuya Evan Kishimoto, Shoko Yashima, Rei Nakahira, Eri Onozawa, Daigo Azakami, Makoto Ujike, Kazuhiko Ochiai, Toshiyuki Ishiwata, Kimimasa Takahashi, Masaki Michishita
Cancer stem cells or tumor-initiating cells (TICs) are a small subpopulation of cells that have the capacity to self-renew, differentiate and initiate tumors. These cells may function in tumor initiation, aggression and recurrence. Whether spheres derived from canine rhabdomyosarcoma cells have stem cell-like properties is unclear. We induced sphere formation in the canine rhabdomyosarcoma cell lines, CMS-C and CMS-J, and characterized the spheres in vitro and in vivo. Sphere-forming cells were more resistant to vincristine, mitoxantrone and doxorubicin than adherent cells...
May 21, 2017: Journal of Veterinary Medical Science
https://www.readbyqxmd.com/read/28529274/pleomorphic-adenoma-of-the-labial-gland-characterized-by-reticular-pattern-of-myoepithelial-cells-in-a-dog
#6
Mizuki Kuramochi, Takeshi Izawa, Shin Nishimura, Terumasa Shimada, Mitsuru Kuwamura, Jyoji Yamate
An 11-year-old female golden retriever dog had a mass at the right corner of the upper lip, which gradually increased in size and protruded into the oral cavity. The mass was removed surgically. The cut surface of the mass was smooth, whitish and solid, and covered by the oral mucosal membrane. Histopathologically, the mass consisted mainly of reticular pattern of short spindle cells that stained positively for cytokeratin AE1/AE3, α-smooth muscle actin and p63, suggestive of a myoepithelial cell phenotype...
May 20, 2017: Journal of Veterinary Medical Science
https://www.readbyqxmd.com/read/28529269/possible-role-of-ppar%C3%AE-in-the-negative-regulation-of-ovulatory-cascade-and-luteal-development-in-rats
#7
Ryohei Funahashi, Takanobu Sakamoto, Norihito Taguchi, Ryosuke Naiki, Ryota Terashima, Mitsumori Kawaminami, Shiro Kurusu
Peroxisome proliferator-activated receptor γ (PPARγ), a member of a nuclear receptor family, has been shown to be implicated in various reproductive processes. Here, we evaluated possible roles of PPARγ in ovulation and luteal development in a gonadotropins-primed immature rat model. Immunoreactive PPARγ was expressed in granulosa cells of eCG-stimulated mature follicles, and its expression level decreased following ovulatory hCG stimulus. Intra-bursal treatment with rosiglitazone (a PPARγ agonist) simultaneously with subcutaneously administered hCG blocked the induction of cyclooxygenase-2 and steroidogenic acute regulatory protein (StAR) in preovulatory follicles...
May 19, 2017: Journal of Veterinary Medical Science
https://www.readbyqxmd.com/read/28529268/a-retrospective-study-of-diseases-in-ambystoma-mexicanum-a-report-of-97-cases
#8
Yoshinori Takami, Yumi Une
Ambystoma mexicanum kept as pets are affected by a variety of diseases. However, no reports regarding the incidence of specific diseases are available. This study aimed to identify the diseases that occur frequently in this speciesby surveying the incidence of conditions in pet A. mexicanum specimens brought to a veterinary hospital. The sample comprised 97 pet A. mexicanum individuals brought to the authors' hospital during the 82-month period, i.e., from January 2008 to October 2014. In total, 116 diseases were identified...
May 19, 2017: Journal of Veterinary Medical Science
https://www.readbyqxmd.com/read/28529267/endometrial-adenocarcinoma-with-choriocarcinomatous-differentiation-in-the-uterus-of-a-goat
#9
Masashi Kawashima, Risa Segawa, Toshinori Yoshida, Hirotada Murayama, Rei Nagahara, Masayuki Kimura, Natsumi Endo, Tomomi Tanaka, Makoto Shibutani
An 11-year-old female goat had invasive and metastatic endometrial adenocarcinoma in the uterus. There was a notable proliferation of endometrial epithelial cells in a tubular growth pattern, with a desmoplastic response. The endometrial epithelial tumor cells metastasized to the kidney, liver and lung. In contrast to the primary and metastatic tumor cells, pleomorphic tumor cells with a choriocarcinoma-like growth pattern infiltrated the mesometrium. Cell proliferation activity was high in both types of tumor cells...
May 19, 2017: Journal of Veterinary Medical Science
https://www.readbyqxmd.com/read/28515371/bilateral-cervical-ribs-in-a-mixed-breed-dog
#10
Andrea Cantalamessa, Stefano Martin, Andrea Marchegiani, Alessandro Fruganti, Fabrizio Dini, Adolfo Maria Tambella
A 4-year-old intact female, mixed breed dog was presented with a complaint of dyspnea. Clinical examination revealed symptoms related to disease of the upper airways. Radiographic findings were consistent with tracheal collapse associated with anomalies involving the seventh cervical vertebra and the first ribs bilaterally. Radiographs were highly suggestive of cervical ribs; computed tomography and ultrasound examination allowed complete characterization and better localization of the anomalies with relationship to the adjacent muscle and vasculature...
May 18, 2017: Journal of Veterinary Medical Science
https://www.readbyqxmd.com/read/28496013/enhancement-of-bactericidal-effects-of-sodium-hypochlorite-in-chiller-water-with-food-additive-grade-calcium-hydroxide
#11
Chiharu Toyofuku, Md Shahin Alam, Masashi Yamada, Miyuki Komura, Mayuko Suzuki, Hakimullah Hakim, Natthanan Sangsriratanakul, Dany Shoham, Kazuaki Takehara
An alkaline agent, namely food additive grade calcium hydroxide (FdCa(OH)2) in solution at 0.17%, was evaluated for its bactericidal efficacies in chiller water with sodium hypochlorite (NaOCl) at a concentration of 200 ppm total residual chlorine. Without organic material presence, NaOCl could inactivate Salmonella Infantis and Escherichia coli within 5 sec, but in the presence of fetal bovine serum (FBS) at 0.5%, the bactericidal effects of NaOCl were diminished completely. FdCa(OH)2 solution required 3 min to inactivate bacteria with or without 5% FBS...
May 12, 2017: Journal of Veterinary Medical Science
https://www.readbyqxmd.com/read/28496012/daytime-behavior-of-pteropus-vampyrus-in-a-natural-habitat-the-driver-of-viral-transmission
#12
Yupadee Hengjan, Didik Pramono, Hitoshi Takemae, Ryosuke Kobayashi, Keisuke Iida, Takeshi Ando, Supratikno Supratikno, Chaerul Basri, Yuli Sulistya Fitriana, Eko M Z Arifin, Yasushige Ohmori, Ken Maeda, Srihadi Agungpriyono, Eiichi Hondo
Flying foxes, the genus Pteropus are considered viral reservoirs. Their colonial nature and long flight capability enhance their ability to spread viruses quickly. To understand how the viral transmission occurs between flying foxes and other animals, we investigated daytime behavior of the large flying fox (Pteropus vampyrus) in the Leuweung Sancang conservation area, Indonesia, by using instantaneous scan sampling and all occurrence focal sampling. The data were obtained from 0700 to 1700 hr, during May 11-25, 2016...
May 12, 2017: Journal of Veterinary Medical Science
https://www.readbyqxmd.com/read/28496027/expression-profile-of-matricellular-proteins-in-hypertrophied-right-ventricle-of-monocrotaline-induced-pulmonary-hypertensive-rats
#13
Keisuke Imoto, Muneyoshi Okada, Hideyuki Yamawaki
Matricellular proteins, a non-structural extracellular matrix (ECM) component, bind to and modulate various molecules including growth factor, cytokine, protease, other ECM components and cell membrane receptors. While most matricellular proteins are hardly expressed in normal adult tissue, they are re-expressed in heart tissue during cardiac diseases. The present study aimed to clarify the mRNA expression profile of matricellular proteins [secreted protein acidic and rich in cysteine: SPARC, hevin, thrombospondin (TSP)-1, -2 and -4, CCN1 and 5, tenascin (Tn)C and N, periostin and osteopontin (OPN)] in hypertrophied right ventricle (RV) of monocrotaline (MCT)-induced pulmonary hypertensive rats...
May 11, 2017: Journal of Veterinary Medical Science
https://www.readbyqxmd.com/read/28496026/computed-tomography-angiography-reveals-stenosis-and-aneurysmal-dilation-of-an-aberrant-right-subclavian-artery-causing-systemic-blood-pressure-misreading-in-an-old-pekinese-dog
#14
Jaehwan Kim, Kidong Eom, Hakyoung Yoon
A 14-year-old dog weighing 4 kg presented with hypotension only in the right forelimb. Thoracic radiography revealed a round soft tissue opacity near the aortic arch and below the second thoracic vertebra on a lateral view. Three-dimensional computed tomography angiography clearly revealed stenosis and aneurysmal dilation of an aberrant right subclavian artery. Stenosis and aneurysm of an aberrant subclavian artery should be included as a differential diagnosis in dogs showing a round soft tissue opacity near the aortic arch and below the thoracic vertebra on the lateral thoracic radiograph...
May 11, 2017: Journal of Veterinary Medical Science
https://www.readbyqxmd.com/read/28484149/the-genetic-diversity-of-d-loop-sequences-in-eastern-bent-winged-bats-miniopterus-fuliginosus-living-in-wakayama-prefecture-japan
#15
Keisuke Iida, Ryosuke Kobayashi, Yupadee Hengjan, Nao Nagata, Kenzo Yonemitsu, Mitsuo Nunome, Ryusei Kuwata, Kazuo Suzuki, Kenji Ichiyanagi, Ken Maeda, Yasushige Ohmori, Eiichi Hondo
The eastern bent-winged bat (Miniopterus fuliginosus) is an insectivorous bat that lives in the caves, throughout Japan. The bats aggregate in cave in populations of tens to thousands of individuals. We examined the mitochondrial D-loop sequences of bats in Wakayama, Japan, and divided them into 35 haplotypes. The sequences of 3 haplotypes in Wakayama were the same as those of 10 Miniopterus fuliginosus individuals living in China. Given the substitution rate of the D-loop region, we speculated that the bats had moved between Japan and China within the last 16,000 years...
May 8, 2017: Journal of Veterinary Medical Science
https://www.readbyqxmd.com/read/28484148/plasma-endotoxin-activity-in-eastern-grey-kangaroos-macropus-giganteus-with-lumpy-jaw-disease
#16
Yukari Sotohira, Kazuyuki Suzuki, Marina Otsuka, Masakazu Tsuchiya, Toshio Shimamori, Yasunobu Nishi, Kenji Tsukano, Mitsuhiko Asakawa
Progressive pyogranulomatous osteomyelitis involving the mandible or maxilla of captive macropods, referred to as "Lumpy jaw disease (LJD)", is one of the most significant causes of illness and death in captive macropods. The aim of the present study was to evaluate the relationship between the severity of LJD and plasma endotoxin activity in kangaroos. Plasma samples obtained from moderate (n=24) and severe LJD (n=12), and healthy kangaroos (n=46), were diluted 1:20 in endotoxin-free water and heated to 80°C for 10 min...
May 8, 2017: Journal of Veterinary Medical Science
https://www.readbyqxmd.com/read/28484147/the-presence-of-tick-borne-diseases-in-domestic-dogs-and-cats-living-on-iriomote-jima-and-tsushima-islands
#17
Mao Jikuya, Morihiro Tateno, Masashi Takahashi, Yasuyuki Endo
The Iriomote cat and Tsushima leopard cat are endangered wildcats in Japan and inhabit only Iriomote-jima and Tsushima islands, respectively. Domestic dogs and cats living on Iriomote-jima and Tsushima islands were surveyed to clarify the interrelationship between wildcats and domestic animals regarding tick-borne disease transmission. Pathogen-derived DNA in blood samples was detected by polymerase chain reaction. Babesia gibsoni was detected in dogs of Iriomote-jima, and Hepatozoon felis and hemoplasmas were detected in domestic cats of Tsushima...
May 8, 2017: Journal of Veterinary Medical Science
https://www.readbyqxmd.com/read/28484130/humeral-fracture-in-a-japanese-black-calf-repaired-by-closed-approach-and-two-methods-of-external-skeletal-fixation
#18
Norio Yamagishi, Ayano Kajiwara, Ken-Ichi Shibano, Takahiro Aoki, Megumi Itoh, Kaoru Hatate, Kimie Iino
A healthy 71-day-old female Japanese Black calf was evaluated for fracture of the left humerus. The left humeral fracture was treated by closed repair and unilateral external skeletal fixation (ESF) with an epoxy putty fixator. The calf was active, and eight days after surgery slipped and fell, resulting in breakage of the ESF. The calf underwent repair by transfixation pinning and casting (TPC), which is an alternative to the ESF method. The TPC was removed 37 days after the first surgery, and the calf could bear weight on the left forelimb while walking...
May 7, 2017: Journal of Veterinary Medical Science
https://www.readbyqxmd.com/read/28484129/expression-of-ayu-antimicrobial-peptide-genes-after-lps-stimulation
#19
Rehab Marray Nsrelden, Hiroyuki Horiuchi, Shuichi Furusawa
Plecoglossus altivelis (ayu) is one of the most important fish species in the Japanese islands and in internal fish hatcheries. Living in open aquatic environments exposes fish to many pathogens. Therefore, they require rapid and strong immune defenses. We investigated in vivo the direct association between the ayu innate immune response, represented by the relative transcription of genes encoding the cathelicidin and hepcidin antimicrobial peptides, and lipopolysaccharide (LPS), a conventional pathogen-associated molecular patterns (PAMPs) of Gram-negative bacteria...
May 7, 2017: Journal of Veterinary Medical Science
https://www.readbyqxmd.com/read/28484128/characterizing-the-temporal-patterns-of-avian-influenza-virus-introduction-into-japan-by-migratory-birds
#20
Manabu Onuma, Masayoshi Kakogawa, Masae Yanagisawa, Atsushi Haga, Tomomi Okano, Yasuko Neagari, Tsukasa Okano, Koichi Goka, Mitsuhiko Asakawa
The objectives of the present study were to observe the temporal pattern of avian influenza virus (AIV) introduction into Japan and to determine which migratory birds play an important role in introducing AIV. In total, 19,407 fecal samples from migratory birds were collected at 52 sites between October 2008 and May 2015. Total nucleic acids extracted from the fecal samples were subjected to reverse transcription loop-mediated isothermal amplification to detect viral RNA. Species identification of host migratory birds was conducted by DNA barcoding for positive fecal samples...
May 7, 2017: Journal of Veterinary Medical Science
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