Title |
Development of a recombinant antibody to target peptides and proteins to sialoadhesin-expressing macrophages
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Published in |
BMC Biotechnology, April 2013
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DOI | 10.1186/1472-6750-13-33 |
Pubmed ID | |
Authors |
Karen Ooms, Hanne Van Gorp, Tim Van Gaever, Hans J Nauwynck, Peter L Delputte |
Abstract |
Sialoadhesin (Sn)-expressing monocytes/macrophages have been associated with several diseases like inflammatory and autoimmune disorders as well as viral infections, and they also appear to play a role in the initiation of an adaptive immune response. This makes Sn-expressing cells not only attractive targets for cell-directed therapies, but also an appealing target for vaccination. Furthermore, since Sn was shown to be an endocytic receptor, the conjugation of effector molecules to an Sn-specific ligand should allow intracellular delivery of these conjugates. Previously, we developed functional Sn-specific immunoconjugates that were generated via chemical coupling. Although successful, the system requires significant optimization for each immunoconjugate to be made. To generate a more flexible and controlled system, we developed a recombinant antibody vector allowing the creation of genetic antibody fusion constructs. This paper reports on the characterization of the recombinant antibody and the evaluation of its use for Sn-directed targeting. |
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