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Dickopf, Steffen; Georges, Guy J.; Brinkmann, Ulrich
Computational and Structural Biotechnology Journal, 01/2020, Letnik: 18Journal Article
Multispecific antibodies can be generated in different formats. More than two decades of R&D in the field of bispecific antibody engineering revealed that the design and choice of format can have a profound impact on the antibody functionality. This holds in particular true for entities that elicit (inter-)cellular processes such as receptor activation, receptor internalization, receptor clustering or the formation of immunological synapses between two cells. This review covers design parameters that influence the functionality of multispecific formats, with particular focus on T cell-recruiting bispecific antibodies. We describe formats that display the same size and domain sequences but a varying geometry. The structural composition of (artificial) immune synapses is reviewed and allows conclusions why some formats that share size and domain composition are more effective than others. To support the statement that the geometry matters, we present a recently designed antibody format that is characterized by its compact shape. The TriFab-Contorsbody consists of two tumor cell-targeting entities and one moiety for T cell recruitment. The unique barrel-like shape provides a 35-fold increase in potency compared to an IgG-like molecule with identical domain sequences.
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Leto | Faktor vpliva | Izdaja | Kategorija | Razvrstitev | ||||
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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in: SICRIS
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