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Engineered Autonomous Human Variable Domains
KTH, School of Biotechnology (BIO), Protein Technology.ORCID iD: 0000-0002-6104-6446
2016 (English)In: Current pharmaceutical design, ISSN 1381-6128, E-ISSN 1873-4286, Vol. 22, no 43, 6527-6537 p.Article, review/survey (Refereed) Published
Abstract [en]

Background: The complex multi-chain architecture of antibodies has spurred interest in smaller derivatives that retain specificity but can be more easily produced in bacteria. Domain antibodies consisting of single variable domains are the smallest antibody fragments and have been shown to possess enhanced ability to target epitopes that are difficult to access using multidomain antibodies. However, in contrast to natural camelid antibody domains, human variable domains typically suffer from low stability and high propensity to aggregate. Methods: This review summarizes strategies to improve the biophysical properties of heavy chain variable domains from human antibodies with an emphasis on aggregation resistance. Several protein engineering approaches have targeted antibody frameworks and complementarity determining regions to stabilize the native state and prevent aggregation of the denatured state. Conclusion: Recent findings enable the construction of highly diverse libraries enriched in aggregation-resistant variants that are expected to provide binders to diverse antigens. Engineered domain antibodies possess unique advantages in expression, epitope preference and flexibility of formatting over conventional immunoreagents and are a promising class of antibody fragments for biomedical development.

Place, publisher, year, edition, pages
Bentham Science Publishers B.V , 2016. Vol. 22, no 43, 6527-6537 p.
Keyword [en]
Human domain antibody, variable heavy domain, antibody engineering, synthetic antibodies, phage display, aggregation
National Category
Medical and Health Sciences
Identifiers
URN: urn:nbn:se:kth:diva-202679DOI: 10.2174/1381612822666160921143011ISI: 000392850600006OAI: oai:DiVA.org:kth-202679DiVA: diva2:1078614
Note

QC 2070306

Available from: 2017-03-06 Created: 2017-03-06 Last updated: 2017-03-06Bibliographically approved

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