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Journal of Veterinary Medical Science

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https://www.readbyqxmd.com/read/28442639/astaxanthin-increases-progesterone-production-in-cultured-bovine-luteal-cells
#1
Hachiro Kamada, Satoshi Akagi, Shinya Watanabe
Although astaxanthin (AST) is known to be a strong antioxidant, its effects on reproductive function in domestic animals have not yet been elucidated in detail. Therefore, we investigated the effects of AST on luteal cells, which produce progesterone (P4), an important hormone for maintaining pregnancy. Luteal cells were prepared by collagenase dispersion of the corpus luteum (CL). The addition of racemic AST at a low concentration (<10 nM) to cultured bovine luteal cells increased P4 in the culture medium (P<0...
April 23, 2017: Journal of Veterinary Medical Science
https://www.readbyqxmd.com/read/28442638/deep-sequencing-of-the-transcriptome-in-the-anterior-pituitary-of-heifers-before-and-after-ovulation
#2
Kiran Pandey, Yoichi Mizukami, Kenji Watanabe, Syuiti Sakaguti, Hiroya Kadokawa
We aimed to determine gene expression patterns in the anterior pituitary (AP) of heifers before and after ovulation via deep sequencing of the transcriptome (RNA-seq) to identify new genes and clarify important pathways. Heifers were slaughtered on the estrus day (pre-ovulation; n=5) or 3 days after ovulation (post-ovulation; n=5) for AP collection. We randomly selected 4 pre-ovulation and 4 post-ovulation APs, and the ribosomal RNA-depleted poly (A)+RNA were prepared to assemble next-generation sequencing libraries...
April 23, 2017: Journal of Veterinary Medical Science
https://www.readbyqxmd.com/read/28442647/effects-of-high-fat-diet-and-fructose-rich-diet-on-obesity-dyslipidemia-and-hyperglycemia-in-the-wbn-kob-lepr-fa-rat-a-new-model-of-type-2-diabetes-mellitus
#3
Junichi Namekawa, Yoshiichi Takagi, Kaoru Wakabayashi, Yuki Nakamura, Ayaka Watanabe, Dai Nagakubo, Mitsuyuki Shirai, Fumitoshi Asai
Obesity and type 2 diabetes mellitus (T2DM) are occurring at epidemic-like rates, and these epidemics appear to have emerged largely from changes in daily diet. In the present study, we compared effects of high-fat diet (HFD) and fructose-rich diet (FRD) in WBN/Kob-Lepr(fa) (WBKDF) rats that spontaneously develop obesity, dyslipidemia and T2DM. After a 4-week feeding of each diet, WBKDF-HFD and WBKDF-FRD rats exhibited aggravated obesity and dyslipidemia compared with WBKDF rats fed standard diet (STD). In contrast, hyperglycemia developed in WBKDF-STD rats was significantly inhibited in WBKDF-FRD rats, but not in WBKDF-HFD rats...
April 21, 2017: Journal of Veterinary Medical Science
https://www.readbyqxmd.com/read/28442646/clinico-pathological-findings-in-a-striped-dolphin-stenella-coeruleoalba-affected-by-rhabdomyolysis-and-myoglobinuric-nephrosis-capture-myopathy
#4
Federico Bonsembiante, Cinzia Centelleghe, Gabriele Rossi, Stefania Giglio, Elena Madeo, Maria Elena Gelain, Sandro Mazzariol
A striped dolphin (Stenella coeruleoalba) calf stranded alive because of a Salter-Harris fracture type 1 of a caudal vertebra and remained in a provisional rehabilitation facility for 3 days where the fracture stabilization was attempted, but he died the day after bandaging. Serum and urine samples were collected during hospitalization (days 1, 2 and 3 serum and day 2 urine). Serum analysis showed increased urea, alanine transaminase, aspartate transaminase, and serum amyloid A values, while creatinine was below the lower limit...
April 21, 2017: Journal of Veterinary Medical Science
https://www.readbyqxmd.com/read/28428485/pathological-lesions-in-the-central-nervous-system-and-peripheral-tissues-of-ddy-mice-with-street-rabies-virus-1088-strain
#5
Kazunori Kimitsuki, Kentaro Yamada, Nozomi Shiwa, Satoshi Inoue, Akira Nishizono, Chun-Ho Park
Most studies on rabies virus pathogenesis in animal models have employed fixed rabies viruses, and the results of those employing street rabies viruses have been inconsistent. Therefore, to clarify the pathogenesis of street rabies virus (1088 strain) in mice, 10(6) focus forming units were inoculated into the right hindlimb of ddY mice (6 weeks, female). At 3 days postinoculation (DPI), mild inflammation was observed in the hindlimb muscle. At 5 DPI, ganglion cells in the right lumbosacral spinal dorsal root ganglia showed chromatolysis...
April 20, 2017: Journal of Veterinary Medical Science
https://www.readbyqxmd.com/read/28428484/individual-identification-of-eurasian-otters-lutra-lutra-in-south-korea-sincheon-river-daegu-by-microsatellite-markers
#6
Chul-Song Park, Gil-Jae Cho
The objective of this study was to determine the number of Eurasian otters (Lutra lutra) that occupied the Sincheon River in Daegu, South Korea. Twenty-seven spraints collected from February to May 2016 at four sites (Jangam Bridge approximately 6.1 km from the Gachang Dam, Docheong Bridge approximately 13.5 km, Chimsan Bridge approximately 15.1 km and Nogoek Bridge approximately 18 km) along the Sincheon River (approximately 27.06 km) were analyzed using 12 microsatellite markers. The analyses resulted in the identification of 16 (59...
April 20, 2017: Journal of Veterinary Medical Science
https://www.readbyqxmd.com/read/28428483/a-retrospective-study-of-anesthesia-for-subcutaneous-ureteral-bypass-placement-in-cats-27-cases
#7
Geneviève C Luca, Beatriz P Monteiro, Marilyn Dunn, Paulo Vm Steagall
The goals of this retrospective clinical case series study were to describe the management of anesthesia, and to report perioperative complications in cats undergoing subcutaneous ureteral bypass (SUB) placement due to ureteral obstruction. Medical records of client-owned cats with ureteral obstruction and anesthetized for SUB placement between 2012 and 2015 in a veterinary teaching hospital were reviewed. Twenty-seven cases were identified. Duration of anesthesia and surgery (mean ± standard deviation) were 215 ± 42 min and 148 ± 36 min, respectively...
April 20, 2017: Journal of Veterinary Medical Science
https://www.readbyqxmd.com/read/28420823/listeria-monocytogenes-serotype-4b-strains-replicate-in-monocytes-macrophages-more-than-the-other-serotypes
#8
Rie Hasebe, Ryo Nakao, Aiko Ohnuma, Takeshi Yamasaki, Hirofumi Sawa, Shinji Takai, Motohiro Horiuchi
We analyzed the pathogenicity of various serotypes of Listeria monocytogenes using a Balb/c mouse intravenous injection model. The survival rates of mice inoculated with strains NS1/2b (serotype 1/2b), NS3b (serotype 3b) and NS 4b (serotype 4b) were 60%, 63.6% and 63.6%, respectively. Although the survival rates were similar, the bacterial growth in the liver of NS3b-infected mice was 144.5-fold higher than that in the liver of NS4b-infected mice. Histopathological analyses suggest that the NS4b strain replicated more in monocytes/macrophages, whereas the NS3b strain replicated more in hepatocytes...
April 17, 2017: Journal of Veterinary Medical Science
https://www.readbyqxmd.com/read/28420808/sequence-variations-in-estrogen-receptor-1-and-2-genes-and-their-association-with-egg-production-traits-in-chinese-dagu-chickens
#9
Xiaotian Niu, Thobela Louis Tyasi, Ning Qin, Dehui Liu, Hongyan Zhu, Xiaoxia Chen, Fengwei Zhang, Shuguo Yuan, Rifu Xu
Estrogen receptors α (ESR1) and β (ESR2) play central roles in folliculogenesis, and therefore in reproductive biology. In the present study, two single nucleotide polymorphisms (SNPs) were identified in the ESR1 and ESR2 genes using PCR-single strand conformation polymorphism (PCR-SSCP) and DNA sequencing. One of the identified SNPs, a T1101C transition located within exon 4 of the ESR1 gene, was significantly associated with hen-housed egg production (HHEP) at 30, 43, 57 and 66 weeks of age (P<0.05), and egg weight (EW) at 30 weeks (P<0...
April 15, 2017: Journal of Veterinary Medical Science
https://www.readbyqxmd.com/read/28413175/prenatal-postcranial-development-in-two-species-of-sympatric-japanese-wood-mice-apodemus-argenteus-and-a-speciosus-a-comparison-of-arboreal-versus-terrestrial-congeners
#10
Daisuke Koyabu
Habitats of two closely related Japanese field mice, Apodemus argenteus and A. speciosus, broadly overlap in many Japanese forests. A. argenteus being more arboreal and A. speciosus being more terrestrial, it is thought that such ecological segregation allows their sympatric distribution. Comparing these two congeners, whether ecological difference is reflected in postcranial development was examined. Although overall ossification sequences were virtually identical, development of the caudal vertebrae was remarkably earlier in A...
April 13, 2017: Journal of Veterinary Medical Science
https://www.readbyqxmd.com/read/28413174/an-outbreak-of-duck-hepatitis-a-virus-type-1-infection-in-japan
#11
Masahiro Kamomae, Mamoru Kameyama, Jun Ishii, Mikoto Nabe, Yuji Ogura, Hiroshi Iseki, Yu Yamamoto, Masaji Mase
In June 2015, a highly fatal and acute disease broke out in a duckling farm in Hyogo Prefecture, Japan. The birds exhibited poor growth, reduced movement, lying in a dorsal recumbent position, depression, lethargy, ataxia and opisthotonus, with a high mortality rate of approximately 76%. By performing a reverse transcription-polymerase chain reaction (RT-PCR) using primers specific for duck hepatitis A virus type 1 (DHAV-1), we obtained the PCR products of a predicted size. The nucleotide sequences of the PCR products showed a >96% identity with that of the DHAV-1, HB02 strain, which was isolated in China...
April 11, 2017: Journal of Veterinary Medical Science
https://www.readbyqxmd.com/read/28392537/evaluation-of-calcium-hydrogen-carbonate-mesoscopic-crystals-as-a-disinfectant-for-influenza-a-viruses
#12
Ryuji Nakashima, Masaomi Kawamoto, Shigeru Miyazaki, Rumiko Onishi, Koichi Furusaki, Maho Osaki, Rikio Kirisawa, Akikazu Sakudo, Takashi Onodera
In this study, the virucidal effect of a novel electrically charged disinfectant CAC-717 was investigated. CAC-717 is produced by applying an electric field to mineral water containing calcium hydrogen carbonate to generate mesoscopic crystals. Virus titration analysis showed a >3 log reduction of influenza A viruses after treatment with CAC-717 for 1 min in room temperature, while infectivity was undetectable after 15 min treatment. Adding bovine serum albumin to CAC-717 solution did not affect the disinfectant effect...
April 10, 2017: Journal of Veterinary Medical Science
https://www.readbyqxmd.com/read/28392536/potential-enterotoxicity-and-antimicrobial-resistance-pattern-of-aeromonas-species-isolated-from-pet-turtles-and-their-environment
#13
S H M P Wimalasena, Gee-Wook Shin, Sabrina Hossain, Gang-Joon Heo
To investigate the potential enterotoxicity and antimicrobial resistance of aeromonads from pet turtles as a risk for human infection, one hundred and two Aeromonas spp. were isolated from the feces, skin and rearing environments of pet turtles and identified by biochemical and gyrB sequence analyses. Aeromonas enteropelogenes was the predominant species among the isolates (52.9%) followed by A. hydrophila (32.4%), A. dharkensis (5.9%), A. veronii (4.9%) and A. caviae (3.9%). Their potential enterotoxicities were evaluated by PCR assays for detecting genes encoding cytotoxic enterotoxin (act) and two cytotonic enterotoxins (alt and ast)...
April 10, 2017: Journal of Veterinary Medical Science
https://www.readbyqxmd.com/read/28392511/combination-of-vitamin-e-and-vitamin-c-alleviates-renal-function-in-hyperoxaluric-rats-via-antioxidant-activity
#14
Orapun Jaturakan, Thasinas Dissayabutra, Narongsak Chaiyabutr, Anusak Kijtawornrat, Piyaratana Tosukhowong, Anudep Rungsipipat, Thumnoon Nhujak, Chollada Buranakarl
Hyperoxaluria and oxidative stress are risk factors in calcium oxalate (CaOx) stone formation. Supplement with antioxidant could be effective in prevention of recurrent stone formation. The present study aims to evaluate the protective effects of vitamin E and vitamin C in hyperoxaluric rat. The experiment was performed in rats for 21 days. Rats were divided into 5 groups as follows: control (group 1, n=8), hyperoxaluric rats (group 2, n=8), hyperoxaluric rats with vitamin E supplement (group 3, n=7), hyperoxaluric rats with vitamin C supplement (group 4, n=7) and hyperoxaluric rats with vitamin E and C supplement (group 5, n=7)...
April 8, 2017: Journal of Veterinary Medical Science
https://www.readbyqxmd.com/read/28392508/a-novel-missense-mutation-in-the-factor-xii-gene-in-a-litter-of-cats-with-factor-xii-deficiency
#15
Haruhiko Maruyama, Haruki Hosoe, Kota Nagamatsu, Rui Kano, Hiroshi Kamata
The feline F12 gene was examined to identify a mutation associated with coagulation factor XII (FXII) deficiency in a litter of 6 cats, including 2 cats with severely reduced FXII activity (7.1% and 9.3%, respectively) and 4 cats with moderately reduced FXII activity (range 36.0 to 46.3%). Cats with severely reduced FXII activity were homozygous for a G to C missense mutation in exon 13 of the F12 gene, resulting in an amino acid change (p.G544A). Cats with moderately reduced FXII activity were heterozygous for this mutation...
April 7, 2017: Journal of Veterinary Medical Science
https://www.readbyqxmd.com/read/28392507/gene-and-protein-expression-of-a-soluble-form-of-ctla-4-in-a-healthy-dog
#16
Michihito Tagawa, Yuhei Yamamoto, Genya Shimbo, Aiko Iguchi, Xuenan Xuan, Mizuki Tomihari, Kazuro Miyahara
Cytotoxic T lymphocyte associated gene-4 (CTLA-4) is a costimulatory molecule, expressed on the surface of activated T cells that negatively regulates T cell activation. In humans, alternative splicing of the CTLA-4 gene generates two major isoforms of mRNA, and a soluble form of CTLA-4 (sCTLA-4) was detected in normal human serum. We describe alternatively spliced mRNA expressed in peripheral blood mononuclear cells obtained from a healthy dog lacking the transmembrane domain coded by exon 3 of the CTLA-4 gene...
April 7, 2017: Journal of Veterinary Medical Science
https://www.readbyqxmd.com/read/28392506/resurgence-of-bovine-ephemeral-fever-in-mainland-japan-in-2015-after-a-23-year-absence
#17
Yoshimasa Hirashima, Mariko Nojiri, Yasuhiro Ohtsuka, Tomoko Kato, Hiroaki Shirafuji, Mitsuteru Kurazono, Toyoshige Imafuji, Tohru Yanase
In September and October 2015, suspected cases of bovine ephemeral fever (BEF) were reported in the mainland region of Kagoshima Prefecture and on Tanegashima Island. The genome of the BEF virus (BEFV) was detected in the diseased cows and the cows that had recovered. The serum obtained from the affected cows contained high titers of BEFV-neutralizing antibody. In total, 18 affected cows were demonstrated to be infected with BEFV during the outbreak. Our findings showed evidence that BEF occurred in mainland Japan after a 23-year absence...
April 7, 2017: Journal of Veterinary Medical Science
https://www.readbyqxmd.com/read/28381682/identification-of-a-novel-hemoplasma-species-from-pigs-in-zhejiang-province-china
#18
Yuan Fu, Tuanyuan Shi, Lihua Xu, Wei Wei, Fuzhuang Lu, Xuejuan Zhang, Xiufang Yuan, Junxing Li, Jinhui Lv, Weihuan Fang
Hemoplasmas belong to Mycoplasmataceae (Mollicutes: Mycoplasmatales) and are able to infect a broad range of mammalian species. We investigated prevalence of hemotropic mycoplasma species in pig farms in the region of Zhejiang by a PCR scheme using universal primers targeting 16S rRNA and RNase P RNA gene (rnpB). Representative positive samples from different farms were selected for sequencing of 16S rRNA and the 219bp rnpB gene fragments for phylogenetic analysis. Sequencing analysis of PCR products from first samples identified a novel hemoplasma species present in several pig farms in the region with highest nucleotide identity of 92% to Candidatus Mycoplasma turicensis...
April 3, 2017: Journal of Veterinary Medical Science
https://www.readbyqxmd.com/read/28381666/acquired-fanconi-syndrome-in-two-dogs-following-long-term-consumption-of-pet-jerky-treats-in-japan-case-report
#19
Akira Yabuki, Tomoko Iwanaga, Urs Giger, Mariko Sawa, Moeko Kohyama, Osamu Yamato
Renal Fanconi syndrome has recently been associated with the ingestion of pet jerky treats from China in mostly small breed dogs in North America, Australia and Europe. We report here about two dogs with Fanconi syndrome following pet jerky treats exposure in Japan. A mixed-breed dog and a French bulldog showed weight loss, polyuria and polydipsia. For years, the owners had been feeding large quantities of pet jerky treats containing chicken prepared in China. Diagnostics revealed glycosuria without hyperglycemia, severe aminoaciduria, and in one case also ketonuria, hypokalemia and metabolic acidosis...
April 1, 2017: Journal of Veterinary Medical Science
https://www.readbyqxmd.com/read/28381665/establishment-of-reference-values-for-complete-blood-count-and-blood-gases-in-cynomolgus-monkeys-macaca-fascicularis
#20
Shunya Nakayama, Hiroshi Koie, Kiichi Kanayama, Yuko Katakai, Yasuyo Ito-Fujishiro, Tadashi Sankai, Yasuhiro Yasutomi, Naohide Ageyama
Cynomolgus monkeys are closely related to humans phylogenetically, and this has resulted in their widespread use as a preclinical model. Hematological data with regard to these monkeys are thus important. Although reference values for blood components and sex hormones have been established for cynomolgus monkeys, those for arterial blood gases have not. The arterial blood gases quickly reflect respiratory and circulatory dynamics, and are thus useful for animal management and safe general anesthesia and surgical operations...
April 1, 2017: Journal of Veterinary Medical Science
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