Generation and Characterization of a New Monoclonal Antibody Against CXCL4.

Generation and Characterization of a New Monoclonal Antibody Against CXCL4.
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抗 CXCL4 的新型单克隆抗体的生成和表征。

DOI:
10.1089/mab.2014.0050
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发表时间:
2015-04
期刊:
Monoclon Antib Immunodiagn Immunother
影响因子:
--
通讯作者:
Han, Wei
Han, Wei
中科院分区:
其他
文献类型:
--
作者:
Zhang, Yang;Zhu, Shunying;Yu, Yan;Han, Wei

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CXCL4在许多疾病过程中发挥重要作用,这使得CXCL4信号通路成为潜在的治疗靶点。在这项研究中,我们的目标是开发一种抗人和小鼠CXCL4的中和抗体。用重组人CXCL4(RhCXCL4)免疫大鼠。将免疫的大鼠脾细胞与小鼠骨髓瘤SP2/0细胞融合,获得杂交瘤细胞克隆,并用重组小鼠CXCL4(RmCXCL4)和重组CXCL4进行筛选。对16D6-3杂交瘤克隆产生的CXCL4单抗(CXCL4单抗)进行了测序,并用免疫印迹和Biaccore方法进行了鉴定。它能高亲和力识别人和小鼠CXCL4,并能在体外中和rhCXCL4的作用。因此,该抗体可用于CXCL4在小鼠疾病模型中的研究,并可作为临床开发中抗体人源化的模板。
CXCL4 plays important roles in numerous disease processes, which makes the CXCL4 signaling pathway a potential therapeutic target. In this study, we aimed to develop a neutralizing antibody against both human and mouse CXCL4. Rats were immunized with recombinant human CXCL4 (rhCXCL4). Hybridoma clones were created by fusion of the immunized rat spleen cells with mouse myeloma SP2/0 cells and screened using recombinant mouse CXCL4 (rmCXCL4) and rhCXCL4. The CXCL4 monoclonal antibody (CXCL4 MAb) produced by the 16D6-3 hybridoma clone was sequenced and characterized by Western blot and Biacore assays. It recognized both human and mouse CXCL4 with high affinity and neutralized the effect of rhCXCL4 in vitro. Thus, the antibody may be used in the studies of CXCL4 in murine disease models and as a template in the antibody humanization for clinical developments.
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