Selection and Characterization of Human Anti-MAGE-A1 scFv and Immunotoxin

Author(s): Hong Lin, Yuan Mao, Da-Wei Zhang, Hu Li, Jin-Rong Qiu, Jin Zhu, Ren-Jie Chen

Journal Name: Anti-Cancer Agents in Medicinal Chemistry
(Formerly Current Medicinal Chemistry - Anti-Cancer Agents)

Volume 13 , Issue 8 , 2013

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Melanoma-associated antigen (MAGE) is expressed on the surface of multiple tumor cell types and is a promising target of biotherapeutic drug delivery via the anti-MAGE-A1 antibody. In this study, a human single-chain variable fragment (scFv) antibody phage library was generated and applied to recombinant MAGE-A1-coated immunotubes by phage display technology. The soluble anti- MAGE-A1 scFv was expressed and purified by immobilized metal-chelated affinity chromatography (IMAC). The anti-MAGE-A1 scFv could bind native MAGE-A1 confirmed by enzyme-linked immunosorbent assay (ELISA), dot blot, and immunoprecipitation (IP) analysis. The immunotoxin was expressed and purified by IMAC successfully. The results indicated that the human anti-MAGE-A1 immunotoxin could provide a valuable drug for clinic cancer therapy.

Keywords: Phage display antibody library, anti-MAGE-A1 scFv fragment, immunotoxin.

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Article Details

Year: 2013
Published on: 03 September, 2013
Page: [1259 - 1266]
Pages: 8
DOI: 10.2174/18715206113139990134
Price: $65

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