Engineering therapeutic antibodies for improved function

LG Presta, RL Shields, AK Namenuk… - Biochemical Society …, 2002 - portlandpress.com
The binding sites on human IgG1 for human Fcγ receptor (FcγR) I, FcγRIIa, FcγRIIb, FcγRIIIa
and neonatal FcR have been mapped. A common set of IgG1 residues is involved in binding …

High resolution mapping of the binding site on human IgG1 for FcγRI, FcγRII, FcγRIII, and FcRn and design of IgG1 variants with improved binding to the FcγR

RL Shields, AK Namenuk, K Hong, YG Meng… - Journal of Biological …, 2001 - ASBMB
Immunoglobulin G (IgG) Fc receptors play a critical role in linking IgG antibody-mediated
immune responses with cellular effector functions. A high resolution map of the binding site …

Differential binding to human FcγRIIa and FcγRIIb receptors by human IgG wildtype and mutant antibodies

KL Armour, JGJ van de Winkel, LM Williamson… - Molecular …, 2003 - Elsevier
We are investigating the interactions of recombinant human IgG antibodies with Fc receptors
to enable selection of a constant region giving minimal depletion of antigen-bearing cells …

An engineered Fc variant of an IgG eliminates all immune effector functions via structural perturbations

O Vafa, GL Gilliland, RJ Brezski, B Strake, T Wilkinson… - Methods, 2014 - Elsevier
Abstract The Fc variant of IgG2, designated as IgG2σ, was engineered with
V234A/G237A/P238S/H268A/V309L/A330S/P331S substitutions to eliminate affinity for Fcγ …

Interaction sites on human IgG-Fc for FcγR: current models

R Jefferis, J Lund - Immunology letters, 2002 - Elsevier
Recombinant monoclonal antibodies have entered the clinic as effective in vivo therapeutic.
A majority of the therapeutics antibodies employed are intact IgG molecules. IgG …

Soluble monomeric IgG1 Fc

T Ying, W Chen, R Gong, Y Feng… - Journal of Biological …, 2012 - ASBMB
Antibody fragments are emerging as promising biopharmaceuticals because of their
relatively small size and other unique properties. However, compared with full-size …

The influence of the hinge region length in binding of human IgG to human Fcγ receptors

S Redpath, TE Michaelsen, I Sandlie, MR Clark - Human immunology, 1998 - Elsevier
Interactions between human IgG with human FcγRI and FcγRIIa (R131) were studied to
investigate the role of the hinge region of IgG3 and IgG1 in the binding of the antibodies to …

Novel human IgG1 and IgG4 Fc-engineered antibodies with completely abolished immune effector functions

T Schlothauer, S Herter, CF Koller… - Protein Engineering …, 2016 - academic.oup.com
Recombinant human IgG antibodies (hIgGs) completely devoid of binding to Fcγ receptors
(FcγRs) and complement protein C1q, and thus with abolished immune effector functions …

Identification of the Fc gamma receptor class I binding site in human IgG through the use of recombinant IgG1/IgG2 hybrid and point-mutated antibodies.

MS Chappel, DE Isenman, M Everett… - Proceedings of the …, 1991 - National Acad Sciences
To characterize the region on human IgG1 responsible for its high-affinity interaction with the
human Fc gamma receptor class I (Fc gamma RI), we have analyzed the binding properties …

Affinity of human IgG subclasses to mouse Fc gamma receptors

G Dekkers, AEH Bentlage, TC Stegmann, HL Howie… - MAbs, 2017 - Taylor & Francis
Human IgG is the main antibody class used in antibody therapies because of its efficacy and
longer half-life, which are completely or partly due to FcγR-mediated functions of the …