Biased anti-idiotype response in rabbits leads to high-affinity monoclonal antibodies to biologics

Autor: Lisanne Dijk, Astrid van Leeuwen, Theo Rispens, Jorn Jeremiasse, Dorien Kos, Floris C. Loeff, Christina Großerichter-Wagener
Přispěvatelé: Landsteiner Laboratory, AII - Inflammatory diseases
Rok vydání: 2020
Předmět:
Zdroj: mAbs
article-version (VoR) Version of Record
mAbs, 12(1):1814661. Landes Bioscience
ISSN: 1942-0870
1942-0862
Popis: Antibody formation to human(ized) therapeutic antibodies in humans is highly skewed toward anti-idiotype responses, probably because the idiotype is the only ‘foreign’ part of the antibody molecule. Here, we analyzed antibody responses to F(ab’)2 fragments of a panel of 17 human(ized) therapeutic antibodies in rabbits. Homology between the rabbit germline and the human(ized) antibodies is moderate not only for the variable domains (both the complementarity-determining regions and the framework regions), but also for the constant domains (66% or less). Nevertheless, we observed a highly skewed anti-idiotype response in all cases, with up to >90% of the antibodies directed toward the idiotype. These results indicate that the idiotype may be inherently immunodominant. We used these biased responses to raise monoclonal rabbit anti-idiotype antibodies against secukinumab, ustekinumab, reslizumab, mepolizumab, palivizumab, and dupilumab and demonstrate the potential to develop sensitive pharmacokinetic assays with these antibodies.
Databáze: OpenAIRE