Aim: To prepare monoclonal antibodies(mAbs) against human DcR3 and identify their characterization.
Methods: BALB/c mice were immunized with purified His-DcR3 protein, and mAbs against DcR3 which prepared by hybridoma technique were purified and identified by their specificity, subtype, titers via ELISA and Western blot.
Results: Five hybridoma cell lines secreting mAbs against human DcR3 were obtained, which were determined as IgG1 subtype and ascites titers of five mAbs against DcR3 reached 1x10(-5)-1x10(-7). Five mAbs were proved to recognize His-DcR3 protein specifically, one of which (1B1) could recognize SW480 cell.
Conclusion: mAbs against DcR3 with high titers and specificity have been prepared and purified successfully, which laid a foundation for the study of DcR3 expression, distribution in tissu and development of ELISA kit.
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