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https://www.readbyqxmd.com/read/28534071/cloning-of-helicobacter-suis-cholesterol-%C3%AE-glucosyltransferase-and-production-of-an-antibody-capable-of-detecting-it-in-formalin-fixed-paraffin-embedded-gastric-tissue-sections
#1
Masatomo Kawakubo, Kazuki Horiuchi, Hitomi Komura, Yoshiko Sato, Masayoshi Kato, Meguru Ikeyama, Mana Fukushima, Shigenori Yamada, Satoshi Ishizone, Takehisa Matsumoto, Hiroyoshi Ota, Junji Sagara, Jun Nakayama
Helicobacter suis (H. suis), formerly called Helicobacter heilmannii type 1 (H. heilmannii), is a gram-negative bacterium of the Helicobacter species. This pathogen infects the stomach of humans and animals such as dogs, cats, pigs, and rodents, the latter giving rise to zoonotic infection. Here, we generated a H. suis-specific antibody useful for immunohistochemistry with formalin-fixed, paraffin-embedded tissue sections. To do so, we began by cloning the gene encoding H. suis cholesterol α-glucosyltransferase (αCgT)...
May 22, 2017: Histochemistry and Cell Biology
https://www.readbyqxmd.com/read/28531364/analysis-of-the-internal-transcribed-spacer-region-of-ascaris-suum-and-ascaris-lumbricoides-derived-from-free-range-tibetan-pigs
#2
Kun Li, Houqiang Luo, Hui Zhang, Khalid Mehmood, Muhammad Shahzad, Lihong Zhang, Jiakui Li
Ascaris suum (A. suum) is the most commonly occurring worldwide internal parasite of pigs; however, little is known about this organism in Tibetan pigs in China. A study was carried to isolate and identify the characteristics of internal transcribed spacer region (ITS) gene of A. suum derived from Tibetan pigs. Adult nematodes were collected from Tibetan pigs in 2015-2016. Total genomic DNA of the extracted parasites was performed and a fragment of the ITS of mitochondrial (mt) gene was amplified. The amplicons were cloned into PGEM®-T Easy Vector (Promega, WI) and the positive clones were sequenced by ABI 3730 × 1 sequencer...
May 21, 2017: Mitochondrial DNA. Part A. DNA Mapping, Sequencing, and Analysis
https://www.readbyqxmd.com/read/28525756/immunization-elicited-broadly-protective-antibody-reveals-ebolavirus-fusion-loop-as-a-site-of-vulnerability
#3
Xuelian Zhao, Katie A Howell, Shihua He, Jennifer M Brannan, Anna Z Wec, Edgar Davidson, Hannah L Turner, Chi-I Chiang, Lin Lei, J Maximilian Fels, Hong Vu, Sergey Shulenin, Ashley N Turonis, Ana I Kuehne, Guodong Liu, Mi Ta, Yimeng Wang, Christopher Sundling, Yongli Xiao, Jennifer S Spence, Benjamin J Doranz, Frederick W Holtsberg, Andrew B Ward, Kartik Chandran, John M Dye, Xiangguo Qiu, Yuxing Li, M Javad Aman
While neutralizing antibodies are highly effective against ebolavirus infections, current experimental ebolavirus vaccines primarily elicit species-specific antibody responses. Here, we describe an immunization-elicited macaque antibody (CA45) that clamps the internal fusion loop with the N terminus of the ebolavirus glycoproteins (GPs) and potently neutralizes Ebola, Sudan, Bundibugyo, and Reston viruses. CA45, alone or in combination with an antibody that blocks receptor binding, provided full protection against all pathogenic ebolaviruses in mice, guinea pigs, and ferrets...
May 18, 2017: Cell
https://www.readbyqxmd.com/read/28503569/postneonatal-mortality-and-liver-changes-in-cloned-pigs-associated-with-human-tumor-necrosis-factor-receptor-i-fc-and-human-heme-oxygenase-1-overexpression
#4
Geon A Kim, Jun-Xue Jin, Sanghoon Lee, Anukul Taweechaipaisankul, Hyun Ju Oh, Joing-Ik Hwang, Curie Ahn, Islam M Saadeldin, Byeong Chun Lee
Soluble human tumor necrosis factor (shTNFRI-Fc) and human heme oxygenase 1 (hHO-1) are key regulators for protection against oxidative and inflammatory injury for xenotransplantation. Somatic cells with more than 10 copy numbers of shTNFRI-Fc and hHO-1 were employed in somatic cell nuclear transfer to generate cloned pigs, thereby resulting in seven cloned piglets. However, produced piglets were all dead within 24 hours after birth. Obviously, postnatal death with liver apoptosis was reported in the higher copy number of shTNFRI-Fc and hHO-1 piglets...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28500340/both-haemagglutinin-specific-antibody-and-t-cell-responses-induced-by-a-chimpanzee-adenoviral-vaccine-confer-protection-against-influenza-h7n9-viral-challenge
#5
Xiang Wang, Weihui Fu, Songhua Yuan, Xi Yang, Yufeng Song, Lulu Liu, Yudan Chi, Tao Cheng, Man Xing, Yan Zhang, Chao Zhang, Yong Yang, Caihong Zhu, Xiaoyan Zhang, Sidong Xiong, Jianqing Xu, Dongming Zhou
Since 2013, the outbreak or sporadic infection of a new reassortant H7N9 influenza virus in China has resulted in hundreds of deaths and thousands of illnesses. An H7N9 vaccine is urgently needed, as a licensed human vaccine against H7N9 influenza is currently not available. Here, we developed a recombinant adenovirus-based vaccine, AdC68-H7HA, by cloning the H7N9 haemagglutinin (HA) gene into the chimpanzee adenoviral vector AdC68. The efficacy of AdC68-H7HA was evaluated in mice as well as guinea pigs. For comparison, an H7N9 DNA vaccine based on HA was also generated and tested in mice and guinea pigs...
May 12, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28490591/deletion-of-a-197-amino-acid-region-in-the-n-terminal-domain-of-spike-protein-attenuates-porcine-epidemic-diarrhea-virus-in-piglets
#6
Yixuan Hou, Chun-Ming Lin, Masaru Yokoyama, Boyd L Yount, Douglas Marthaler, Arianna L Douglas, Shristi Ghimire, Yibin Qin, Ralph S Baric, Linda J Saif, Qiuhong Wang
We previously isolated a porcine epidemic diarrhea virus (PEDV) strain PC177, by blind serial passaging the intestinal contents of a diarrheic piglet in Vero cell culture. Compared with a US highly virulent PEDV strain PC21A, the tissue culture-adapted PC177 (TC-PC177) contains a 197 aa-deletion in the N-terminal domain of the spike protein. We orally inoculated neonatal, conventional suckling piglets with TC-PC177 or PC21A to compare the pathogenicity. Within 7 days post-inoculation, TC-PC177 caused mild diarrhea and lower fecal viral RNA shedding, with no mortality, whereas PC21A caused severe clinical signs and 55% mortality...
May 10, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28487309/molecular-cloning-and-characterization-of-marmoset-aldehyde-oxidase
#7
Shotaro Uehara, Yasuhiro Uno, Eriko Okamoto, Takashi Inoue, Erika Sasaki, Hiroshi Yamazaki
Common marmosets (Callithrix jacchus), New world monkeys, are a promising primate model for preclinical drug metabolism studies due to the similarities of cytochrome P450 (P450) enzyme function to those of humans. Despite an increasing number of drug candidates catalyzed by non-P450 enzymes, drug metabolizing enzymes other than P450s have been hardly identified or characterized in marmosets. In this study, we identified aldehyde oxidase (AOX) 1 gene by marmoset genome analysis. AOX1 cDNA was cloned from marmoset livers by reverse transcription-polymerase chain reaction...
May 9, 2017: Drug Metabolism and Disposition: the Biological Fate of Chemicals
https://www.readbyqxmd.com/read/28448603/evaluation-of-immunogenicity-and-protective-efficacy-of-recombinant-outer-membrane-proteins-of-haemophilus-parasuis-serovar-5-in-a-murine-model
#8
Miao Li, Ru-Jian Cai, Shuai Song, Zhi-Yong Jiang, Yan Li, Hong-Chao Gou, Pin-Pin Chu, Chun-Ling Li, Hua-Ji Qiu
Glässer's disease is an economically important infectious disease of pigs caused by Haemophilus parasuis. Few vaccines are currently available that could provide effective cross-protection against various serovars of H. parasuis. In this study, five OMPs (OppA, TolC, HxuC, LppC, and HAPS_0926) identified by bioinformatic approaches, were cloned and expressed as recombinant proteins. Antigenicity of the purified proteins was verified through Western blotting, and primary screening for protective potential was evaluated in vivo...
2017: PloS One
https://www.readbyqxmd.com/read/28442343/pig-has-no-uncoupling-protein-1
#9
Lianjie Hou, Jia Shi, Lingbo Cao, Guli Xu, Chingyuan Hu, Chong Wang
Brown adipose tissue (BAT) is critical for mammal's survival in the cold environment. Uncoupling protein 1 (UCP1) is responsible for the non-shivering thermogenesis in the BAT. Pig is important economically as a meat-producing livestock. However, whether BAT or more precisely UCP1 protein exists in pig remains a controversy. The objective of this study was to ascertain whether pig has UCP1 protein. In this study, we used rapid amplification of cDNA ends (RACE) technique to obtain the UCP1 mRNA 3' end sequence, confirmed only exons 1 and 2 of the UCP1 gene are transcribed in the pig...
June 10, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28434792/cloning-and-expression-patterns-of-neuromedin-u-and-its-receptors-in-pigs
#10
Xiang Li, Mingfu Niu, Juan Su, Zhiyu Ma, Mengmeng Jin, Wenna Qiao, Ying Zhang, Yanyan Feng, Na An, Yuanlong Hou, Sheng Yang, Suo Chuan, Zhihai Lei
Neuromedin U (NMU) is a highly conserved neuropeptide that performs a variety of physiological functions in animals via neuromedin U receptor-1 (NMUR1) and neuromedin U receptor-2 (NMUR2). In this study, we cloned the pig NMU, NMUR1 and NMUR2 genes. Bioinformatics analysis demonstrated that the pig NMU cDNA encoded the amino acids Phe-Leu-Phe-Arg-Pro-Arg-Asn-NH2 at the C-terminus and that the NMU receptors, which are G-protein-coupled receptors (GPCRs), contained the seven transmembrane domains typical of GPCRs...
April 6, 2017: Neuropeptides
https://www.readbyqxmd.com/read/28421046/horses-in-denmark-are-a-reservoir-of-diverse-clones-of-methicillin-resistant-and-susceptible-staphylococcus-aureus
#11
Md Zohorul Islam, Carmen Espinosa-Gongora, Peter Damborg, Raphael N Sieber, Rikke Munk, Louise Husted, Arshnee Moodley, Robert Skov, Jesper Larsen, Luca Guardabassi
Denmark is a country with high prevalence of livestock-associated methicillin-resistant Staphylococcus aureus (MRSA) clonal complex (CC) 398 in pigs. Even though pig farming is regarded as the main source of human infection or colonization with MRSA CC398, 10-15% of the human cases appear not to be linked to pigs. Following the recent reports of MRSA CC398 in horses in other European countries and the lack of knowledge on S. aureus carriage in this animal species, we carried out a study to investigate whether horses constitute a reservoir of MRSA CC398 in Denmark, and to gain knowledge on the frequency and genetic diversity of S...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28389048/postnatal-developmental-of-neuromedin-s-and-its-receptor-in-the-male-xiaomeishan-pig-reproductive-axis
#12
Zhiyu Ma, Yangyang Zhao, Yuan Yao, Zhihai Lei, Mengmeng Jin, Xiang Li, Cuicui Jia, Zheng Zhang, Xiaoliang Li, Juan Su
Neuromedin S (NMS) has been identified as an endogenous ligand for FM-3/GPR66 and FM-4/TGR-1 which are NMU receptors NMUR1 and NMUR2, respectively. The NMS molecule is present in some peripheral tissues and the central nervous system (CNS), and it had been documented that NMS has fundamental and important roles in multiple physiological functions and processes such as circadian rhythm, energy balance, feeding behavior, stress responses and reproduction. The possible role of NMS in sexual development postnatally, however, is still obscure...
April 2, 2017: Animal Reproduction Science
https://www.readbyqxmd.com/read/28387970/mutation-of-the-xist-gene-upregulates-expression-of-x-linked-genes-but-decreases-the-developmental-rates-of-cloned-male-porcine-embryos
#13
Yang Yang, Dan Wu, Dewu Liu, Junsong Shi, Rong Zhou, Xiaoyan He, Jianping Quan, Gengyuan Cai, Enqin Zheng, Zhenfang Wu, Zicong Li
XIST is an X-linked, non-coding gene responsible for the cis induction of X-chromosome inactivation (XCI). Knockout of the XIST allele on an active X chromosome abolishes erroneous XCI and enhances the in vivo development of cloned mouse embryos by more than 10-fold. This study aimed to investigate whether a similar manipulation would improve cloning efficiency in pigs. A male, porcine kidney cell line containing an EGFP insert in exon 1 of the XIST gene, resulting in a knockout allele (XIST-KO), was generated by homologous recombination using transcription activator-like effector nucleases (TALENs)...
April 7, 2017: Molecular Reproduction and Development
https://www.readbyqxmd.com/read/28380503/histone-deacetylase-inhibitor-m344-significantly-improves-nuclear-reprogramming-blastocyst-quality-and-in-vitro-developmental-capacity-of-cloned-pig-embryos
#14
L Jin, Q Guo, H-Y Zhu, X-X Xing, G-L Zhang, M-F Xuan, Q-R Luo, Z-B Luo, J-X Wang, H-M Choe, H-J Paek, X-J Yin, J-D Kang
M344 is a novel histone deacetylase inhibitor. There is no report on the effect of M344 treatment on the development of pig embryos after somatic cell nuclear transfer (SCNT). In the present study, we investigated the effect of M344 on the blastocyst formation rate in cloned embryos, acetylation level of histone H4 lysine 12 (AcH4K12), and the expression of pluripotency-related genes , , and . Our results indicated that treatment with 5 µ M344 for 6 h improved the development of porcine embryos, in comparison with the untreated group (25...
March 2017: Journal of Animal Science
https://www.readbyqxmd.com/read/28380421/dnmt1s-in-donor-cells-is-a-barrier-to-scnt-mediated-dna-methylation-reprogramming-in-pigs
#15
Xuexiong Song, Zhonghua Liu, Hongbin He, Jianyu Wang, Huatao Li, Jingyu Li, Fangzheng Li, Zhongling Jiang, Yanjun Huan
Low development of somatic cell nuclear transfer embryos could be due to the incomplete DNA methylation reprogramming, and Dnmt1s existing in donor cells may be one cause of this disrupted DNA methylation reprogramming. However, the reprogramming pattern of Dnmt1s and its effect on DNA methylation reprogramming in cloned embryos remain poorly understood. Here, we displayed that along with the significantly higher Dnmt1 expression at the zygotic gene activation stage of cloned embryos, genomic methylation level was markedly upregulated, and the arrested rate was significantly higher compared with their in vitro fertilization counterparts...
May 23, 2017: Oncotarget
https://www.readbyqxmd.com/read/28373351/key-role-of-capsular-polysaccharide-in-the-induction-of-systemic-infection-and-abortion-by-hypervirulent-campylobacter-jejuni
#16
Orhan Sahin, Samantha A Terhorst, Eric R Burrough, Zhangqi Shen, Zuowei Wu, Lei Dai, Yizhi Tang, Paul J Plummer, Ju Ji, Michael J Yaeger, Qijing Zhang
Campylobacter jejuni is a zoonotic pathogen, and a hypervirulent strain, named clone SA, has recently emerged as the predominant cause of ovine abortion in the United States. To induce abortion, orally ingested Campylobacter must translocate across the intestinal epithelium, spread systemically in the circulation, and reach the fetoplacental tissue. Bacterial factors involved in these steps are not well understood. C. jejuni is known to produce capsular polysaccharide (CPS), but the specific role CPS plays in systemic infection and particularly abortion in animals remains to be determined...
April 3, 2017: Infection and Immunity
https://www.readbyqxmd.com/read/28365311/clinical-impact-and-prevalence-of-mrsa-cc398-and-differences-between-mrsa-tet-r-and-mrsa-tet-s-in-an-area-of-spain-with-a-high-density-of-pig-farming-a-prospective-cohort-study
#17
E Reynaga, C Torres, M Garcia-Nuñez, M Navarro, A Vilamala, E Puigoriol, G E Lucchetti, M Sabrià
OBJECTIVES: Tetracycline resistance (Tet(R)) is a phenotypic marker of the livestock-associated methicillin-resistant Staphylococcus aureus (MRSA) CC398 clone. The aim of this study was to analyse the prevalence of MRSA CC398 in patients in contact with healthcare facilities and differences between patients with MRSA-Tet(R) and MRSA tetracycline-susceptible (Tet(S)) strains. METHODS: Patients diagnosed with MRSA from January 2012 to December 2015 were divided into two groups, MRSA-Tet(R) and MRSA-Tet(S)...
March 29, 2017: Clinical Microbiology and Infection
https://www.readbyqxmd.com/read/28360383/cloning-and-expression-analysis-of-zygote-arrest-1-zar1-in-new-zealand-white-rabbits
#18
Dan Wang, Shu-Yu Xie, Wei Zhang, Cai-Xia Sun, Tao Huang, An-Si Wang, Xue-Lei Han, Gui-Rong Sun, Ming Li
Zygote arrest 1 (Zar1) is an oocyte-specific maternal-effect gene. Previous studies indicate that Zar1 plays important role in early embryo development, but little is known about its function in rabbit. The objectives of this study were to clone the New Zealand white rabbit Zar1 gene and to investigate its expression in various organs in groups of animals with different reproductive traits.We obtained a 709-bp Zar1 cDNA fragment consisting of an 8-bp exon 1, 161-bp exon 2, 75-bp exon 3, 271-bp exon 4 and 194-bp 3'sequences...
March 2017: Journal of Genetics
https://www.readbyqxmd.com/read/28358284/molecular-cloning-of-porcine-sun5-gene-and-association-between-a-snp-with-litter-size-trait
#19
Zhenhua Zhao, Yonggang Liu
SUN domain-containing protein 5 (SUN5) is an important reproduction related gene. In this study, we cloned the full-length coding sequence of porcine SUN5 gene through RT-PCR. Sequence analysis of this gene revealed that the pig SUN5 gene encodes a protein of 383 amino acids that has high homology with the SUN5 protein of eight species: wild Bactrian camel (95%), alpaca (95%), Yangtze River dolphin (94%), sperm whale (94%), sheep (93%), black flying fox (93%), goat (92%), and horse (91%). This gene is structured into 13 exons and 12 introns as revealed by computer-assisted analysis...
March 30, 2017: Animal Biotechnology
https://www.readbyqxmd.com/read/28330290/successful-cloning-of-an-adult-breeding-boar-from-the-novel-chinese-guike-no-1-swine-specialized-strain
#20
Jun-Yu Nie, Xiang-Xing Zhu, Bing-Kun Xie, Su-Qun Nong, Qing-Yan Ma, Hui-Yan Xu, Xiao-Gan Yang, Yang-Qing Lu, Ke-Huan Lu, Yu-Ying Liao, Sheng-Sheng Lu
Somatic cloning, also known as somatic cell nuclear transfer (SCNT), is a promising technology which has been expected to rapidly extend the population of elaborately selected breeding boars with superior production performance. Chinese Guike No. 1 pig breed is a novel swine specialized strain incorporated with the pedigree background of Duroc and Chinese Luchuan pig breeds, thus inherits an excellent production performance. The present study was conducted to establish somatic cloning procedures of adult breeding boars from the Chinese Guike No...
December 2016: 3 Biotech
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