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Chinese Journal of Cancer Research

, Volume 9, Issue 2, pp 127–132 | Cite as

Basic study and phase I clinic trial of anti-idiotypic antibody mimicking nasopharyngeal carcinoma cell antigen

  • Xie Lu 
  • Li Guancheng 
  • Li Xiaoling 
  • Yang Jianfei 
  • Zhu Jiangao 
  • Zhou Guohua 
  • Cai Xiaohong 
  • Sun Qubing 
Clinical Observations
  • 11 Downloads

Abstract

An anti-idiotypic monoclonal antibody 2A9 (Ab2) was prepared, which mimicked the nasopharynegeal carcinoma (NPC) cell antigen defined by anti-NPC McAb Fcl. The abilities of 2A9’s inducing humoral and cellular immunity against NPC cell antigen were studied in syngeneic mice by inducing anti-Ab2 sera (Ab3) and delayed-type hypersensitivity. Two periods of phase 1 clinical trials were carried out, stage IV NPC patients receiving radiotherapy were chosen. Human anti-mouse antibodies (HAMA), anti-anti-idiotypic antibodies (Ab3), and anti-NPC cell antibodies (Abl′) were detected by ELISA. TNF-α,IL-2, IFN-γ levels in sera were determined by ELISA Kits. IL-2 mRNA expression in peripheral blood mononuclear cells (PBMC) were shown byin situ hybridization. The results showed that 2A9 was safe in applying on NPC patients and induced some humoral and/or cellular immune responses.

Key words

NPC Anti-idiotypic McAb Clinical trial 

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Copyright information

© Chinese Journal of Cancer Research 1997

Authors and Affiliations

  • Xie Lu 
    • 1
  • Li Guancheng 
    • 1
  • Li Xiaoling 
    • 1
  • Yang Jianfei 
    • 1
  • Zhu Jiangao 
    • 1
  • Zhou Guohua 
    • 1
  • Cai Xiaohong 
    • 1
  • Sun Qubing 
    • 1
  1. 1.Cancer Research InstituteHunan Medical UniversityChangsha

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