More Related Content More from BMW, Utrecht University More from BMW, Utrecht University (10) Downregulation Van Groeifactorsignaaltransductie2009 Deel2b13. Het lysosoom, het vuilnisvat van de cel lysosoom Late endosomen 17. Valorisatie Doel : Sturen van SMI’s (small molecule inhibitor) Naar intracellulaire locatie van de tumor cel. Langzaam vrijkomen van de remmer. 18. Antibody fragments: Fab’s and Nanobodies (VHH) VH CH1 VL CL CH2 CH3 VHH CH2 CH3 Conventional antibody ‘ Heavy chain only’ antibody Fab NB 20. Multiple formats of nanobodies Multivalent Improve avidity Crosslinking Multi-specific Increase efficacy Effector domain Improve functionality Extend half-life Therapy 22. Epitope specificity anti-EGFR NBs 7D12 Dom III 9G8 Dom II/III EgB4 Dom IV EgC9 Dom I 7D12 Plasma membrane Tyrosine kinase Rob Roovers IV III II I 9G8 EgB4 EgC9 23. Affinities 7D12-9G8 7D12 9G8 nM 50.0 25.0 12.5 6.25 … Sabrina Oliveira 3T3 2.2 14C cells Nanobody ~ Kd nM ~ IR:protein 7D12 1.5 0.4 9G8 5 0.7 7D12-9G8 1 0.6 7D12-9G8-Alb 2 0.8 EGb4 7 0.4 Cetuximab 0.5 1.4