Research Topics
| Xiaofeng RenSummaryCountry: China Publications
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Detail Information
Publications
Over-expression of HO-1 on mesenchymal stem cells promotes angiogenesis and improves myocardial function in infarcted myocardiumBin Zeng
Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, Hubei, China
J Biomed Sci 17:80. 2010..Our current findings support the premise that HO-1 transduced by MSCs can induce angiogenic effects and improve heart function after acute myocardial infarction...
Heterologous expression of fused genes encoding the glycoprotein 5 from PRRSV: a way for producing functional protein in prokaryotic microorganismXiaofeng Ren
College of Veterinary Medicine, Northeast Agricultural University, 59 Mucai Street, Xiangfang District, 150030 Harbin, China
J Biotechnol 147:130-5. 2010..Biologically active GP5 and anti-GP5 antibody inhibited cell infection by PRRSV. Moreover, the antibody produced in this study was capable of detecting the cell infection by PRRSV and distinguishing this virus from other viruses...
Development of a porcine epidemic diarrhea virus M protein-based ELISA for virus detectionXiaofeng Ren
Department of Preventive Veterinary Medicine, College of Veterinary Medicine, Northeast Agricultural University, 59 Mucai Street, Xiangfang District, Harbin 150030, China
Biotechnol Lett 33:215-20. 2011..Other viruses, porcine transmissible gastroenteritis coronavirus, avian infectious bronchitis coronavirus, porcine reproductive and respiratory syndrome virus, classic swine fever virus and porcine pseudorabies virus, were unreactive...
Development of reverse transcription loop-mediated isothermal amplification for rapid detection of porcine epidemic diarrhea virusXiaofeng Ren
Department of Preventive Veterinary Medicine, College of Veterinary Medicine, Northeast Agricultural University, 59 Mucai Street, Xiangfang District, Harbin 150030, China
Virus Genes 42:229-35. 2011....
Binding characterization of determinants in porcine aminopeptidase N, the cellular receptor for transmissible gastroenteritis virusXiaofeng Ren
College of Veterinary Medicine, Northeast Agricultural University, 59 Mucai Street, 150030 Harbin, China
J Biotechnol 150:202-6. 2010..The results suggest that the major antibody-binding domains of pAPN may associate with the receptor-binding determinants. The role of APN is discussed in the context of virus receptor usage...
Cholesterol dependence of pseudorabies herpesvirus entryXiaofeng Ren
College of Veterinary Medicine, Northeast Agricultural University, 59 Mucai Street, Harbin, 150030, China
Curr Microbiol 62:261-6. 2011..Exogenous cholesterol added to either MβCD-treated cells or virions partially restored the virus infectivity. Optimal PrV infection requires cholesterol in viral and plasma membranes...
Antiviral activities of phosphonoformate sodium to pseudorabies herpesvirus infection in vitroXiaofeng Ren
Department of Preventive Veterinary Medicine, College of Veterinary Medicine, Northeast Agricultural University, Harbin, China or
Pharm Biol 49:608-13. 2011..Phosphonoformate sodium (PFS) has been used as an anti-herpesvirus drug; nevertheless, studies of the use of PFS for treatment of pseudorabies herpesvirus (PrV) infection in the veterinary setting have not been widely reported...
Action mechanisms of lithium chloride on cell infection by transmissible gastroenteritis coronavirusXiaofeng Ren
College of Veterinary Medicine, Northeast Agricultural University, Harbin, China
PLoS ONE 6:e18669. 2011..Together with other reports concerning the inhibitory effect of lithium salts on IBV in cell culture, our results indicate that LiCl may be a potent agent against porcine and avian coronaviruses...
Characterization and membrane gene-based phylogenetic analysis of avian infectious bronchitis virus Chinese strain HH06Xiaofeng Ren
College of Veterinary Medicine, Northeast Agricultural University, 59 Mucai Street, 150030, Harbin, People s Republic of China
Virus Genes 38:39-45. 2009....
A descriptive analysis of medical education in ChinaXiaofeng Ren
College of Veterinary Medicine, Northeast Agricultural University, PR China
Med Teach 30:667-72. 2008....
Production and characterization of a monoclonal antibody against spike protein of transmissible gastroenteritis virusFandan Meng
College of Veterinary Medicine, Northeast Agricultural University, Harbin, China
Hybridoma (Larchmt) 29:345-50. 2010..Moreover, immunofluorescence assays showed that the MAb is able to detect cell infection by TGEV. The MAb achieved in this study can be used as a specific diagnostic reagent for detecting TGEV S protein...
Development and evaluation of a novel reverse transcription loop-mediated isothermal amplification (RT-LAMP) assay for detection of type II porcine reproductive and respiratory syndrome virusMing Gao
Department of Preventive Veterinary Medicine, College of Veterinary Medicine, Northeast Agricultural University, 59 Mucai Street, Xiangfang District, Harbin 150030, China
J Virol Methods 185:18-23. 2012..In addition, the RT-LAMP assay was capable of detecting type II PRRSV in field samples and differentiating type II PRRSV from seven other porcine viruses which are all associated frequently with similar clinical symptoms...
In vitro and in vivo effects of Houttuynia cordata on infectious bronchitis virusJiechao Yin
College of Veterinary Medicine, Northeast Agricultural University, 59 Mucai Street, Xiangfang District, 150030, Harbin, China
Avian Pathol 40:491-8. 2011..HC fully protected the SPF embryos, and had more than 50% protection rate in SPF chickens, against IBV challenge...
Vaccination of mice with ORF5 plasmid DNA of PRRSV; enhanced effects by co-immunizing with porcine IL-15Guangxing Li
College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, China
Immunol Invest 41:231-48. 2012..The pVAX-IL15 gene construct served as a molecular adjuvant in conjunction with the pVAX-GP5 to enhance the immune responses where intermediate doses of pVAX-IL15 were most effective...
Cloning, prokaryotic expression, and biological analysis of recombinant chicken IFN-gammaGuangxing Li
College of Veterinary Medicine, Northeast Agricultural University, Harbin, China
Hybridoma (Larchmt) 29:1-6. 2010..Immunoreactivities of the CHIFN-gamma and its antiserum were investigated using immunoblotting and ELISA. Moreover, the antiviral effect of the CHIFN-gamma was analyzed. Our data indicate that the CHIFN-gamma is biologically active...
Immune responses induced by DNA vaccines bearing Spike gene of PEDV combined with porcine IL-18Siqingaowa Suo
College of Veterinary Medicine, Northeast Agricultural University, 59 Mucai Street, Xiangfang District, Harbin 150030, China
Virus Res 167:259-66. 2012..In all cases, results showed that pVAX1-(PEDV-S) and the combination of pVAX1-(PEDV-S1) with pVAX1-(IL-18) induced the strongest responses; however, pIL-18 had no adjuvant effects when given in combination with pVAX1-(PEDV-S1)...
Vaccination of chickens with DNA vaccine encoding Eimeria acervulina 3-1E and chicken IL-15 offers protection against homologous challengeDexing Ma
College of Veterinary Medicine, Northeast Agricultural University, Harbin, Heilongjiang, China
Exp Parasitol 127:208-14. 2011....
Bacterial expression of antigenic sites A and D in the spike protein of transmissible gastroenteritis virus and evaluation of their inhibitory effects on viral infectionFandan Meng
College of Veterinary Medicine, Northeast Agricultural University, Harbin, China
Virus Genes 43:335-41. 2011..Furthermore, the truncated rS-AD peptide was able to bind to the surface of cells from swine testes in a competitive manner and completely inhibit viral infection...
Phage displayed peptides recognizing porcine aminopeptidase N inhibit transmissible gastroenteritis coronavirus infection in vitroXiaofeng Ren
College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, China
Virology 410:299-306. 2011..Moreover, the excellent immune responses in mice induced by the identified phages provided the possibility to develop novel phage-based vaccines...
Differentiation of porcine reproductive and respiratory syndrome virus N protein using a virus-based ELISAGuangxing Li
College of Veterinary Medicine, Northeast Agricultural University, Harbin, China
Hybridoma (Larchmt) 30:195-8. 2011..The polyclonal antibody against PRRSV N protein used as a diagnostic agent was capable of differentiating PRRSV from the other viruses...
Antiviral effect of diammonium glycyrrhizinate and lithium chloride on cell infection by pseudorabies herpesvirusXiuwen Sui
Department of Preventive Veterinary Medicine, College of Veterinary Medicine, Northeast Agricultural University, 59 Mucai Street, Xiangfang District, 150030 Harbin, China
Antiviral Res 85:346-53. 2010..Virus plaque-reduction assays, PCR and RT-PCR analysis indicated that both drugs inhibited cell infection by PrV. Moreover, addition of the drugs resulted in fewer apoptotic cells during PrV infection...
Comparative analysis of the effect of glycyrrhizin diammonium and lithium chloride on infectious bronchitis virus infection in vitroJing Li
College of Veterinary Medicine, Northeast Agricultural University, Harbin, China
Avian Pathol 38:215-21. 2009..Our data indicate that GD and LiCl have potential to prevent IBV infection in vitro through different antiviral mechanisms. The data are helpful for using antivirals efficiently...
Phages harboring specific peptides that recognize the N protein of the porcine reproductive and respiratory syndrome virus distinguish the virus from other virusesXiaofeng Ren
College of Veterinary Medicine, Northeast Agricultural University, 59 Mucai St, Xiangfang District, 150030 Harbin, China
J Clin Microbiol 48:1875-81. 2010..More importantly, the selected phages harboring specific peptides that recognize the N protein of PRRSV were able to efficiently distinguish PRRSV from other viruses in enzyme-linked immunosorbent assays...
Phylogenetic characterization of genes encoding for glycoprotein 5 and membrane protein of PRRSV isolate HH08Mingcui Wang
College of Veterinary Medicine, Northeast Agricultural University, 59 Mucai Street, Xiangfang District, 150030 Harbin, China
J Vet Sci 10:309-15. 2009....
Generation and characterization of antibody against porcine interleukin-18Siqingaowa Suo
Department of Preventive Veterinary Medicine, College of Veterinary Medicine, Northeast Agricultural University, Xiangfang District, Harbin, China
Hybridoma (Larchmt) 30:169-73. 2011..Moreover, the pIL-18 was able to stimulate the proliferation of pig peripheral blood mononuclear cells in vitro, indicating it may have certain biological activity...
Expression and functional analysis of porcine aminopeptidase N produced in prokaryotic expression systemBoqi Liu
College of Veterinary Medicine, Northeast Agricultural University, Xiangfang District, Harbin, China
J Biotechnol 141:91-6. 2009..The pAPN and its specific antibody blocked transmissible gastroenteritis coronavirus infection in vitro. Furthermore, the localization of pAPN on the small intestine of swine was analyzed by immunohistochemistry...
The effect of Houttuynia cordata injection on pseudorabies herpesvirus (PrV) infection in vitroXiaofeng Ren
Department of Preventive Medicine, College of Veterinary Medicine, Northeast Agricultural University, Harbin, China
Pharm Biol 49:161-6. 2011..Houttuynia cordata Thunb. (Saururaceae), H. cordata, a traditional Chinese medicine, is often used to relieve lung abnormal symptoms, infectious disease, refractory hemoptysis and malignant pleural effusion in China...
Evaluation on the efficacy and immunogenicity of recombinant DNA plasmids expressing spike genes from porcine transmissible gastroenteritis virus and porcine epidemic diarrhea virusFandan Meng
College of Veterinary Medicine, Northeast Agricultural University, Harbin, China
PLoS ONE 8:e57468. 2013..At 35 days post-immunization, the recombinant DNA plasmids bearing full-length S genes of TGEV and PEDV stimulated higher levels of specific antibodies and neutralizing antibodies in immunized mice...
Expression, antibody generation, and biological analysis of chicken interleukin-18Heng Zhang
College of Veterinary Medicine, Northeast Agricultural University, Xiangfang District, Harbin, China
Hybridoma (Larchmt) 29:525-9. 2010..coli or ChIL-18-transfected eukaryotic cells. Moreover, the renatured ChIL-18 stimulated the production of nitric oxide (NO) from macrophages via eliciting the secreting of IFN-γ from lymphocytes...
Antibody against biologically active p40 subunit of porcine interleukin-12 expressed in Escherichia coliXunliang Li
Department of Preventive Veterinary Medicine, College of Veterinary Medicine, Northeast Agricultural University, Xiangfang District, Harbin, China
Hybridoma (Larchmt) 29:489-94. 2010..Expression of p40 subunit on the surface of the transfected cells was identified using the anti-p40 antibody. The p40 protein and the specific antibody are biologically active and can be used as detecting reagents...
Phages bearing affinity peptides to bovine rotavirus differentiate the virus from other virusesXin Wang
Department of Preventive Veterinary Medicine, College of Veterinary Medicine, Northeast Agricultural University, Xiangfang District, Harbin, China
PLoS ONE 6:e28667. 2011..1 µg/ml of samples. The high sensitivity, specificity and low cross-reactivity for the phage-based ELISA were confirmed in receiver operating characteristics (ROC) analysis...
Cholesterol is important for a post-adsorption step in the entry process of transmissible gastroenteritis virusJiechao Yin
Northeast Agricultural University, Harbin, China
Antiviral Res 88:311-6. 2010..Cholesterol is important for a post-adsorption step, allowing membrane rearrangements that facilitate virus entry...
Incidence rates and deaths of tuberculosis in HIV-negative patients in the United States and Germany as analyzed by new predictive model for infectionYudong Ren
College of Veterinary Medicine, Northeast Agricultural University, Harbin, China
PLoS ONE 7:e42055. 2012....
Genome sequence of Chinese porcine parvovirus strain PPV2010Jin Cui
Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Harbin, Heilongjiang, China
J Virol 86:2379. 2012..Our results indicate that the genome of PPV2010 bears mixed characteristics of virulent PPV and vaccine strains. Importantly, PPV2010 has the potential to be a naturally attenuated candidate vaccine strain...
Prokaryotic expression of Stx1B subunit of Escherichia coli O157:H7 used to generate monoclonal antibodyGuangxing Li
College of Veterinary Medicine, Northeast Agricultural University, Harbin, China
Hybridoma (Larchmt) 29:283-9. 2010..Therefore, the MAb generated in this study can be used as a specific reagent to investigate the pathogenesis mechanism and to develop a diagnostic method of EHEC infection in both humans and animals...
Select what you need: a comparative evaluation of the advantages and limitations of frequently used expression systems for foreign genesJiechao Yin
Department of Preventive Veterinary Medicine, College of Veterinary Medicine, Northeast Agricultural University, 59 Mucai Street, 150030 Harbin, China
J Biotechnol 127:335-47. 2007..Here, we concisely review the most frequently used prokaryotic, yeast, insect and mammalian expression systems, as well as expression in eukaryote individuals. The merits and demerits of these systems are discussed...
Reverse transcription loop-mediated isothermal amplification for rapid detection of transmissible gastroenteritis virusPengchong Li
Department of Preventive Veterinary Medicine, College of Veterinary Medicine, Northeast Agricultural University, 59 Mucai Street, Xiangfang, 150030, Harbin, China
Curr Microbiol 62:1074-80. 2011..The approach is suitable for detecting TGEV for field diagnostics or in less-equipped laboratories due to its convenience and simplicity...
Preparation and characterization of polyclonal antibody against severe acute respiratory syndrome-associated coronavirus spike proteinChao Wang
Department of Preventive Veterinary Medicine, College of Veterinary Medicine, Northeast Agricultural University, Harbin, China
Hybridoma (Larchmt) 29:511-6. 2010..The SARS-CoV S1 protein and its antibody are valuable reagents for related studies...
Phage displayed peptides to avian H5N1 virus distinguished the virus from other virusesDan Wu
Department of Preventive Veterinary Medicine, College of Veterinary Medicine, Northeast Agricultural University, Harbin, China
PLoS ONE 6:e23058. 2011..More importantly, the selected phages bearing the specific peptides to H5N1 viruses were capable of differentiating this virus from other avian viruses in enzyme-linked immunosorbent assays...
A Monoclonal Antibody Against Transmissible Gastroenteritis Virus Generated via Immunization of a DNA Plasmid Bearing TGEV S1 GeneQiong Zhao
1 College of Veterinary Medicine, Northeast Agricultural University, Harbin, China
Monoclon Antib Immunodiagn Immunother 32:50-4. 2013..The MAb 1H4 distinguished TGEV from other control viruses. Additionally, although the type of MAb 1H4 was IgM, it could reduce cell infection by TGEV in a dose-dependent manner...
Monoclonal antibody against membrane protein of transmissible gastroenteritis virusXuejiao Sun
1 College of Veterinary Medicine, Northeast Agricultural University, Xiangfang District, Harbin, China
Monoclon Antib Immunodiagn Immunother 32:36-40. 2013..Immunofluorescence assays indicated that MAb 7G7 was capable of detecting cell infection by TGEV. Virus-based ELISA demonstrated that MAb 7G7 can be used as a highly specific diagnostic reagent for TGEV...
Assembly of pseudorabies virus genome-based transfer vehicle carrying major antigen sites of S gene of transmissible gastroenteritis virus: potential perspective for developing live vector vaccinesJiechao Yin
Department of Preventive Veterinary Medicine, College of Veterinary Medicine, Northeast Agricultural University, 59 Mucai Street, 150030 Harbin, PR China
Biologicals 35:55-61. 2007..Subsequently, a PRV genome-based virus live vector was generated via homologous recombination. The functionally effective vector was purified and partially characterized. Moreover, the potential advantages of this system are discussed...
Use of the D-R model to define trends in the emergence of Ceftazidime-resistant Escherichia coli in ChinaFan Ding
College of Veterinary Medicine, Northeast Agricultural University, Harbin, China
PLoS ONE 6:e27295. 2011..To assess the efficacy of the D-R model for defining trends in the appearance of Ceftazidime-resistant Escherichia coli...
Phylogeny and homologous recombination in Chikungunya virusesJin Cui
Department of Preventive Veterinary Medicine, College of Veterinary Medicine, Northeast Agricultural University, 59 Mucai Street, Xiangfang District, Harbin 150030, China
Infect Genet Evol 11:1957-63. 2011..These data refine the phylogeny of the currently available CHIKVs and homologous recombination did not contribute to the genetic diversity of these viruses...
