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[Preparation and identification of monoclonal antibodies against Pla protein of Yersinia pestis]. 2011

Chun-Hong DU, and Peng Wang, and Jian-Zhong Zhang, and Xue Tang, and Zhi-Zhong Song
Yunnan Institute for Endemic Diseases Control and Prevention, Dali 671000, China. dch6890728@163.com

OBJECTIVE To prepare the monoclonal antibody of Pla with recombinant Pla (rPla) by hybridoma cell technology, which will lay the foundation for related research work. METHODS Purified rPla was collected by washing repeatedly with urea, and BALB/c mice were immunized by them. Hybridoma cells were achieved by Sp2/0 cell fusion with mouse spleen cells from successfully immunized mice. Monoclonal antibody was screened by indirect ELISA and Western blots with rPla, natural crude Pla and GST respectively. RESULTS Three strains of hybridoma cells (named 15B8, 14H4 and 19A4 respectively) which secreted stably the monoclonal antibody of Pla were obtained. Their subclasses were IgG2a and IgG1 in heavy chains and κ chains in light chains. The ELISA titers of ascites were 10(6); respectively.Three of monoclonal antibody can react with natural crude Pla tested by western blots. CONCLUSIONS Monoclonal antibody of natural Pla of Yersinia pestis were successfully got, which has laid the foundation for further study of the Pla protein and development diagnosis reagent.

UI MeSH Term Description Entries
D007074 Immunoglobulin G The major immunoglobulin isotype class in normal human serum. There are several isotype subclasses of IgG, for example, IgG1, IgG2A, and IgG2B. Gamma Globulin, 7S,IgG,IgG Antibody,Allerglobuline,IgG(T),IgG1,IgG2,IgG2A,IgG2B,IgG3,IgG4,Immunoglobulin GT,Polyglobin,7S Gamma Globulin,Antibody, IgG,GT, Immunoglobulin
D008807 Mice, Inbred BALB C An inbred strain of mouse that is widely used in IMMUNOLOGY studies and cancer research. BALB C Mice, Inbred,BALB C Mouse, Inbred,Inbred BALB C Mice,Inbred BALB C Mouse,Mice, BALB C,Mouse, BALB C,Mouse, Inbred BALB C,BALB C Mice,BALB C Mouse
D010960 Plasminogen Activators A heterogeneous group of proteolytic enzymes that convert PLASMINOGEN to FIBRINOLYSIN. They are concentrated in the lysosomes of most cells and in the vascular endothelium, particularly in the vessels of the microcirculation. Extrinsic Plasminogen Activators,Plasminogen Activator,Uterine-Tissue Plasminogen Activator,Uterine Tissue Plasminogen Activator
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D000907 Antibodies, Bacterial Immunoglobulins produced in a response to BACTERIAL ANTIGENS. Bacterial Antibodies
D000911 Antibodies, Monoclonal Antibodies produced by a single clone of cells. Monoclonal Antibodies,Monoclonal Antibody,Antibody, Monoclonal
D000918 Antibody Specificity The property of antibodies which enables them to react with some ANTIGENIC DETERMINANTS and not with others. Specificity is dependent on chemical composition, physical forces, and molecular structure at the binding site. Antibody Specificities,Specificities, Antibody,Specificity, Antibody
D001426 Bacterial Proteins Proteins found in any species of bacterium. Bacterial Gene Products,Bacterial Gene Proteins,Gene Products, Bacterial,Bacterial Gene Product,Bacterial Gene Protein,Bacterial Protein,Gene Product, Bacterial,Gene Protein, Bacterial,Gene Proteins, Bacterial,Protein, Bacterial,Proteins, Bacterial
D015010 Yersinia pestis The etiologic agent of PLAGUE in man, rats, ground squirrels, and other rodents. Bacillus pestis,Bacterium pestis,Pasteurella pestis,Pestisella pestis,Yersinia pseudotuberculosis subsp. pestis
D045744 Cell Line, Tumor A cell line derived from cultured tumor cells. Tumor Cell Line,Cell Lines, Tumor,Line, Tumor Cell,Lines, Tumor Cell,Tumor Cell Lines

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