An Fc variant with two mutations confers prolonged serum half-life and enhanced effector functions on IgG antibodies

S Ko, S Park, MH Sohn, M Jo, BJ Ko, JH Na… - … & Molecular Medicine, 2022 - nature.com
The pH-selective interaction between the immunoglobulin G (IgG) fragment crystallizable
region (Fc region) and the neonatal Fc receptor (FcRn) is critical for prolonging the …

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 …

Improving antibody therapeutics by manipulating the Fc domain: immunological and structural considerations

G Delidakis, JE Kim, K George… - Annual review of …, 2022 - annualreviews.org
Interactions between the crystallizable fragment (Fc) domain of antibodies and a plethora of
cellular Fc receptors (FcRs) or soluble proteins form a critical link between humoral and …

Mouse model recapitulating human Fcγ receptor structural and functional diversity

P Smith, DJ DiLillo, S Bournazos… - Proceedings of the …, 2012 - National Acad Sciences
The in vivo biological activities of IgG antibodies result from their bifunctional nature, in
which antigen recognition by the Fab is coupled to the effector and immunomodulatory …

Elucidating the interplay between IgG-Fc valency and FcγR activation for the design of immune complex inhibitors

DF Ortiz, JC Lansing, L Rutitzky, E Kurtagic… - Science translational …, 2016 - science.org
Autoantibody immune complex (IC) activation of Fcγ receptors (FcγRs) is a common
pathogenic hallmark of multiple autoimmune diseases. Given that the IC structural features …

Structural mechanism of high affinity Fcγ RI recognition of immunoglobulin G

J Lu, PD Sun - Immunological Reviews, 2015 - Wiley Online Library
Antibody‐based immunotherapies are becoming powerful means of modern medicine for
treating cancers and autoimmune diseases. The increasing popularity of antibody‐based …

Interactions of IgG1 CH2 and CH3 domains with FcRn

T Ying, TW Ju, Y Wang, P Prabakaran… - Frontiers in …, 2014 - frontiersin.org
Antibody fragments are emerging as promising biopharmaceuticals because of their
relatively small-size and other unique properties. However, when compared to full-size …

Effects of altered FcγR binding on antibody pharmacokinetics in cynomolgus monkeys

MK Leabman, YG Meng, RF Kelley, LE DeForge… - MAbs, 2013 - Taylor & Francis
Antibody interactions with Fcγ receptors (FcγRs), like FcγRIIIA, play a critical role in
mediating antibody effector functions and thereby contribute significantly to the biologic and …

[HTML][HTML] A general Fc engineering platform for the next generation of antibody therapeutics

D Chen, Y Zhao, M Li, H Shang, N Li, F Li, W Wang… - Theranostics, 2021 - ncbi.nlm.nih.gov
Rationale: Fc engineering has become the focus of antibody drug development. The current
mutagenesis and in silico protein design methods are confined by the limited throughput …

Introducing antigen-binding sites in structural loops of immunoglobulin constant domains: Fc fragments with engineered HER2/neu-binding sites and antibody …

G Wozniak-Knopp, S Bartl, A Bauer… - … , Design & Selection, 2010 - academic.oup.com
Yeast surface display libraries of human IgG1 Fc regions were prepared in which loop
sequences at the C-terminal tip of the CH3 domain were randomized. A high percentage of …