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Heavy Chain Only Antibodies: A New Paradigm in Personalized HER2+ Breast Cancer Therapy

Author(s): Seyed Moein Moghimi | Fatemeh Rahbarizadeh | Davoud Ahmadvand | Ladan Parhamifar

Journal: BioImpacts
ISSN 2228-5652

Volume: 3;
Issue: 1;
Start page: 1;
Date: 2013;
Original page

Keywords: Chimeric Antigen Receptors | Heavy Chain Only Antibodies | HER2 | Nanotechnology | Single Variable Domain

Unlike conventional antibodies, heavy chain only antibodies derived from camel contain a single variable domain (VHH) and two constant domains (CH2 and CH3). Cloned and isolated VHHs possess unique properties that enable them to excel conventional therapeutic antibodies and their smaller antigen-binding fragments in cancer targeting and therapy. VHHs express low immunogenicity, are highly robust and easy to manufacture and have the ability to recognize hidden or uncommon epitopes. We highlight the utility of VHH in design of new molecular, multifunctional particulate and immune cell-based systems for combating HER2+ breast cancer.
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