Multiple monoclonal antibodies produced in a single transgenic plant = 형질전환 식물체에서의 복합 단일 항체 단백질 생산

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Title
Multiple monoclonal antibodies produced in a single transgenic plant = 형질전환 식물체에서의 복합 단일 항체 단백질 생산
Author(s)
M H Ahn; E Y Oh; M Song; Z Lu; Hyun Soon Kim; Hyouk Joung; K Ko
Bibliographic Citation
Journal of Life Science, vol. 19, no. 1, pp. 123-128
Publication Year
2009
Abstract
Production of highly valuable immunotherapeutic proteins such as monoclonal antibodies and vaccines using plant biotechnology and genetic engineering has been studied as a popular research field. Plant expression system for mass production of such useful recombinant therapeutic proteins has several advantages over other existing expression systems with economical and safety issues. Immunotherapy of multiple monoclonal antibodies, which can recognize multiple targeting including specific proteins and their glycans highly expressed on the surface of cancer cells, can be an efficient treatment compared to a single targeting immunotherapy using a single antibody. In this study, we have established plant production system to express two different targeting monoclonal antibodies in a single transgenic plant through crossing fertilization between two different transgenic plants expressing anti-colorectal cancer mAbCO17-1A and anti-breast cancer mAbBR55, respectively. The F1 seedlings were obtained cross fertilization between the two transgenic parental plants. The presence, transcription, and protein expression of heavy chain (HC) and light chain (LC) genes of both mAbs in the seedlings were investigated by PCR, RT-PCR, and immunoblot analyses, respectively. Among all the seedlings, some seedlings did not carry or transcribe the HC and LC genes of both mAbs. Thus, the seedlings with presence and transcription of HC and LC genes of both mAbs were selected, and the selected seedlings were confirmed to have relatively stronger density of HC and LC protein bands compared to the transgenic plant expressing only each mAb. These results indicate that the F1 seedling plant with carrying both mAb genes was established. Taken together, plant crossing fertilization can be applied to generate an efficient production system expressing multiple monoclonal antibodies for immunotherapy in a single plant.
Keyword
crossing fertilizationmAb BR55mAb CO17-1A
ISSN
I000-0128
Publisher
Korea Soc-Assoc-Inst
DOI
http://dx.doi.org/10.5352/JLS.2009.19.1.123
Type
Article
Appears in Collections:
Division of Research on National Challenges > Plant Systems Engineering Research > 1. Journal Articles
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