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Journal of Veterinary Science

Ke Ding, Ke Shang, Zu-Hua Yu, Chuan Yu, Yan-Yan Jia, Lei He, Cheng-Shui Liao, Jing Li, Chun-Jie Zhang, Yin-Ju Li, Ting-Cai Wu, Xiang-Chao Cheng
Newcastle disease virus (NDV) and Salmonella Pullorum (S. Pullorum) have great damage to the poultry industry, but no perfect vaccine can protect them effectively until now. In this study, a recombinant-attenuated S. Pullorum strain secreting Newcastle disease virus hemagglutinin-neuraminidase (HN) protein, C79-13ΔcrpΔasd (pYA-HN), was constructed as a new bivalent vaccine candidate against Newcastle disease and S. Pullorum disease (PD) by the method of suicide plasmid pREasd-mediated bacteria homologous recombination...
October 13, 2017: Journal of Veterinary Science
Biruk Tesfaye Birhanu, Seung-Jin Lee, Na-Hye Park, Ju-Beom Song, Seung-Chun Park
Actinobacillus pleuropneumoniae is a gram-negative bacterium residing in the respiratory tract of pigs that causes porcine respiratory disease complex, which leads to significant losses in the pig industry worldwide. The incidence of drug resistance in this bacterium is increasing; thus, identifying new protein/gene targets for drug and vaccine development is critical. In this study, we used an in silico approach, utilizing several databases, including Kyoto Encyclopedia of Genes and Genomes (KEGG), the database of essential genes (DEG), DrugBank, and Swiss-Prot, to identify non-homologous essential genes and prioritize these proteins for their druggability...
October 13, 2017: Journal of Veterinary Science
Woo Bin Park, Young Bin Im, Shim Soojin, Han Sang Yoo
Brucella abortus is a bacterium that causes brucellosis and is the causative agent of worldwide zoonosis. Pathogenesis of the Brucella abortus infection is so complicates. Thus, several researches have made to solve mechanism in infection of Brucella abortus. While several proteins are revealed as the pathogenic factors by previous researches, underlying mechanism of the Brucella abortus infection is still left to be resolved. We identify the proteins showing the different expression level in Brucella abortus mutants with different biological characteristics that generated by random insertion of transposon...
October 13, 2017: Journal of Veterinary Science
Hyun Cho, DaHae Lee, AhYoung Cha, DongEun Kim, DongWoo Chang, Jihye Choi
This study was performed to optimize scan delays for the kidney using a bolus-tracking technique. In six beagle dogs, CT scan of the kidney were performed three times in each dog with different scan delays after bolus tracking triggered at 100 Hounsfield of aortic enhancement; 5, 20, 35, and 50 sec for the first scan, 10, 25, 40, and 55 sec for the second scan, and 15, 30, 45, and 60 sec for the third scan. The renal artery-to-vein contrast difference peaked at 5 sec and the renal cortex-to-medulla contrast difference reached a peak at 10 sec...
October 13, 2017: Journal of Veterinary Science
Chaleow Salakij, Pornchai Pornpanom, Preeda Lertwatcharasarakul, Chaiyan Kasorndorkbua, Jarernsak Salakij
The barn owl (BO) and collared scops owl (CSO) are nocturnal raptors commonly found throughout Thailand. Little is known about the hemoparasites found in these 2 species of owls in Thailand. Blood samples from 23 adult BOs and 14 CSOs were collected and processed for complete blood cell counts and parasite morphological examinations. Two Haemoproteus-positive samples were processed for ultrastructural observations. Polymerase chain reaction (PCR) for a partial cytochrome b gene (cytb) from Haemoproteus was performed in all samples...
October 13, 2017: Journal of Veterinary Science
Yoojin Seo, Hyung-Sik Kim, Kyung-Sun Kang
Olfaction is one of the oldest and important senses for life. Olfactory impairment is the most common clinical manifestation among elderly, and its prevalence is sharply increased with aging. Importantly, growing evidence has shown that olfactory dysfunction is the first sign of neurodegeneration, indicating the importance of olfactory assessment as an early diagnostic marker for the detection of neurological disorders. In this review, we described the nature of olfactory dysfunction and the advantage of animal models in olfaction study with brief introduction of olfactory behavior tests widely used in this field...
October 13, 2017: Journal of Veterinary Science
Hyun-Woo Kim, Jong-Il Shin, Byung-Joon Seung, Jung-Hyung Ju, Jung-Hyang Sur
The inhibitory effect of neutering on mammary gland tumor development in dogs is well known. However, we found that the effect of neutering on tumor malignancy may be altered by aging. Therefore, we aimed to characterize mammary tumors in aged dogs by analyzing the expression of cellular senescence markers, from the viewpoint of senescence. The expression of p16, p38, p21, and p27 antibodies, which are senescence-associated markers, was detected in canine mammary tumors of aged dogs via immunohistochemistry...
September 20, 2017: Journal of Veterinary Science
Kozet Avanus, Ahmet Altinel
Complex vertebral malformation (CVM) is an inherited and autosomal recessive disorder of Holstein cattle. The aim of this study was comparing sensitivity, specificity, positive and negative predictive values, accuracy and rapidity of three methods; allele specific PCR (AS-PCR), created restriction site PCR (CRS-PCR) and PCR with primer introduced restriction analysis (PCR-PIRA) that were used in identification of CVM carriers in Holstein cattle population. In order to screen G>T mutation in solute carrier family 35 member A3 (SLC35A3) gene DNA sequencing was used as gold standard method...
September 20, 2017: Journal of Veterinary Science
Satoshi Gondaira, Hidetoshi Higuchi, Hidetomo Iwano, Koji Nishi, Takanori Nebu, Keiichi Nakajima, Hajime Nagahata
Mycoplasma species are contagious bacteria and Mycoplasma bovis mastitis is a serious productivity problem on dairy farms. Bovine mammary epithelial cells (bMEC) play an important role in the elimination of pathogens, but the effect of M. bovis on bMEC has not been fully clarified. To better understand the immune response against intramammary infection by M. bovis, we used microarray analysis to examine and profile mRNA expression in bMEC after stimulation with M. bovis. We also compared the effects of M. bovis, Staphylococcus aureus and Escherichia coli on immune-related mRNA expression in bMEC...
September 20, 2017: Journal of Veterinary Science
Hang-Ah Kim, Myung-Chul Kim, Na-Yon Kim, Doug-Young Ryu, Hong-Seok Lee, Yongbaek Kim
Exercise capacity is a valuable trait in horses, and it has been used as one of their selection criteria. Although exercise affects molecular homeostasis and adaptation in horses, the mechanisms underlying these effects are not fully understood. This study was carried out to identify changes in the blood profiles of microRNAs (miRNAs) and mRNAs induced by exercise in horse leukocytes. Total RNAs isolated from the peripheral blood leukocytes of four Warmblood horses before and after exercise were subjected to next-generation sequencing (NGS) and microarray analyses to determine the miRNA and mRNA expression profiles, respectively...
September 20, 2017: Journal of Veterinary Science
Kabiru Sahabi, Gayathri Thevi Selvarajah, Rasedee Abdullah, Cheah Yoke Kqueen, Tan Geok Chin
MicroRNAs (miRNAs) are important players in all biological pathways in multicellular organisms. Over 1,400 human miRNAs have been identified, and many are conserved among vertebrates and invertebrates. MicroRNA regulation is the most abundant mode of post-transcriptional gene regulation. MicroRNAs that are involved in the initiation and progression of cancers are termed oncomiRs, several of which have been identified in canine and human cancer. Similarly, several miRNAs have been reported to be down-regulated in cancers of the two species...
September 20, 2017: Journal of Veterinary Science
Changhwan Ahn, Ji-Houn Kang, Eui-Bae Jeung
Diabetes mellitus (DM) is becoming a lifestyle-related pandemic disease. Diabetic patients frequently develop electrolyte disorders, especially diabetic ketoacidosis or nonketotic hyperglycemic hyperosmolar syndrome. Such patients show characteristic potassium, magnesium, phosphate, and calcium depletion. In this review, we discuss a homeostatic mechanism that links calcium and DM. We also provide a synthesis of the evidence in favor or against this linking mechanism by presenting recent clinical indications, mainly from veterinary research...
September 30, 2017: Journal of Veterinary Science
Hye-Ji Noh, HeeKyong Kim, Su Jeong Heo, Hyang Hyun Cho, Hong Bum Koh
We evaluated the effects of guanosine 5'-monophosphate (GMP)-chelated calcium and iron (CaFe-GMP) on health and egg quality in layers experimentally infected with Salmonella Gallinarum. In this study, a CaFe-GMP feed additive was added to a commercial layer feed and fed to layers over a four-week period. All were inoculated with Salmonella Gallinarum. Body weight, mortality, clinical symptoms, and poultry production including feed intake, egg production, egg loss, and feed conversion rate were observed, and Salmonella Gallinarum was re-isolated from the liver, spleen, and cecum of the layers...
September 30, 2017: Journal of Veterinary Science
Sungjun Won, Woo-Jo Chung, Junghee Yoon
One-year-old male Persian cat presented with multiple fractures and no known traumatic history. Marked decrease of bone radiopacity and thin cortices of all long bones were identified on radiography. Tentative diagnosis was osteogenesis imperfecta, a congenital disorder characterized by fragile bone. To determine bone mineral density (BMD), quantitative computed tomography (QCT) was performed. The QCT results revealed a mean trabecular BMD of vertebral bodies of 149.9 ± 86.5 mg/cm(3). After bisphosphonate therapy, BMD of the same site increased significantly (218...
September 30, 2017: Journal of Veterinary Science
Huawei Li, Jifei Yang, Dengke Bao, Jie Hou, Yubao Zhi, Yanyan Yang, Pengchao Ji, Enmin Zhou, Songlin Qiao, Gaiping Zhang
A simple and rapid immunochromatographic test strip incorporating a colloidal gold-labeled recombinant Nsp7 antigen probe was successfully developed for the detection of anti-porcine reproductive and respiratory syndrome virus (PRRSV) antibodies in swine. Recombinant Nsp7 protein of PRRSV labeled with colloidal gold was dispensed on a conjugate pad for use as the detector. Staphylococcal protein A and purified porcine anti-Nsp7 antibodies were blotted on a nitrocellulose membrane to form test and control lines, respectively...
September 30, 2017: Journal of Veterinary Science
Ann Kristin Barton, Caroline Wirth, Angelika Bondzio, Ralf Einspanier, Heidrun Gehlen
Clinical examination, bronchoalveolar lavage fluid (BALF) cytology, acute-phase protein, and pulmonary hemostasis and fibrinolysis marker (fibrinogen, serum amyloid A [SAA], and D-dimer) results were compared between control and respiratory disease-affected horses. Using a clinical scoring system, horses (n = 58) were classified as respiratory disease-free (Controls, n = 15) or with recurrent airway obstruction (RAO; n = 18), inflammatory airway disease (n = 14) or chronic interstitial pneumopathy (n = 11)...
September 30, 2017: Journal of Veterinary Science
Qiwen Wu, Zhili Li, Guanqun Zhang, Jianqiang Niu, Xiduo Zeng, Baoli Sun, Jingyun Ma
Porcine reproductive and respiratory syndrome virus (PRRSV) has a high degree of genetic variation. In this study, we characterized the genetic variation and evolutionary relationships among circulating PRRSV strains in southern China. We analyzed 29 NSP2 strains and 150 ORF5 strains from clinical samples collected in southern China during 2007-2014. The alignment results showed that the nucleotide identity similarities of the two genes among these strains were 80.5%-99.7% and 80.9%-100%, respectively. Phylogenetic analysis based on the NSP2 gene showed that highly pathogenic (HP)-PRRSV was still the dominant virus in southern China from 2013 to 2014...
September 30, 2017: Journal of Veterinary Science
Hyunjung Oh, Seongsoo Kim, Suyeon Kim, Jeosoon Lee, Sookyung Yun, Junghee Yoon, Joohyun Jung, Mincheol Choi
Ureteral jets are the result of a forceful ejection of urine from the vesicoureteral junction into the urinary bladder. By using color Doppler ultrasonography (US), we aimed to identify distinct ureteral jets in dogs, provide insight into ureteral obstruction, and facilitate study of urodynamics and vesicoureteric sphincter function via pulsed Doppler US. Color Doppler US was applied to detect urinary flow from the right ureteral orifices in eight healthy beagles. Under anesthesia, 0.9% saline (2.5 mL/kg/h) and furosemide (0...
September 30, 2017: Journal of Veterinary Science
Hyun-Tae Kim, Sei-Myoung Han, Woo-Jin Song, Boeun Kim, Mincheol Choi, Junghee Yoon, Hwa-Young Youn
Small-breed dogs (n = 168; weight < 15 kg) diagnosed with myxomatous mitral valve degeneration based on a routine clinical examination, radiology, electrocardiography, and echocardiography at the Seoul National University Veterinary Medical Teaching Hospital were included in this study. Survival periods were determined, and there were significant differences in survival rates among the three International Small Animal Cardiac Health Council classes. The mean follow-up period was 14.3 ± 12.1 months. Univariate analysis revealed that dyspnea, pulmonary edema, and vertebral heart score were significantly associated with survival time (p < 0...
September 30, 2017: Journal of Veterinary Science
Seol-Hwa Yim, Tae-Wook Hahn, Hong-Gu Joo
We previously demonstrated that Bordetella (B.) bronchiseptica antigen (Ag) showed high immunostimulatory effects on mouse bone marrow cells (BMs) while Mycoplasma (M.) hyopneumoniae Ag showed low effects. The focus of this study was to determine if B. bronchiseptica Ag can enhance the M. hyopneumoniae Ag-specific immune response and whether the host's immune system can recognize both Ags. MTT assay results revealed that each or both Ags did not significantly change BM metabolic activity. Flow cytometry analysis using carboxyfluorescein succinimidyl ester showed that B...
September 30, 2017: Journal of Veterinary Science
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