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Generation of Recombinant Human IgG Monoclonal Antibodies from Immortalized Sorted B Cells
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The Research Progress on Immortalization of Human B Cells

Huiting Xu1, Xinxin Xiang2,3, Weizhe Ding2,4

  • 1Pediatric Department, Nanxiang Branch of Ruijin Hospital, Jiading District, Shanghai 201802, China.

Microorganisms
|December 23, 2023
PubMed

Human B cell immortalization that maintains the constant growth characteristics and antibody expression of B cells in vitro is very critical for the development of antibody drugs and products for the diagnosis and bio-therapeutics of human diseases. Human B cell immortalization methods include Epstein-Barr virus (EBV) transformation, Simian virus 40 (SV40) virus infection, in vitro genetic modification, and activating CD40, etc. Immortalized human B cells produce monoclonal antibodies (mAbs) very efficiently, and the antibodies produced in this way can overcome the immune rejection caused by heterologous antibodies. It is an effective way to prepare mAbs and an important method for developing therapeutic monoclonal antibodies. Currently, the US FDA has approved more than 100 mAbs against a wide range of illnesses such as cancer, autoimmune diseases, infectious diseases, and neurological disorders. This paper reviews the research progress of human B cell immortalization, its methods, and future directions as it is a powerful tool for the development of monoclonal antibody preparation technology.

Keywords:
EBVSV40genetic modificationhuman B cellmonoclonal antibodies

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