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Comment
. 2011 Dec 14;3(113):113ps47.
doi: 10.1126/scitranslmed.3003447.

Receptor antibodies as novel therapeutics for diabetes

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Comment

Receptor antibodies as novel therapeutics for diabetes

Siegfried Ussar et al. Sci Transl Med. .

Abstract

Antibodies to receptors can block or mimic hormone action. Taking advantage of receptor isoforms, co-receptors, and other receptor modulating proteins, antibodies and other designer ligands can enhance tissue specificity and provide new approaches to the therapy of diabetes and other diseases.

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Figures

Figure 1
Figure 1. Mechanisms of stimulatory antibodies
Antibodies can enhance receptor signaling in multiple ways. Antibodies can promote ligand independent receptor dimerization and activation and thereby circumvent limitations of ligand stability and production. Tissue specific receptor activation can be achieved by targeting receptor/ co-receptor complexes, or individual receptor splice variants. In addition, circulating modulatory protein/ receptor complexes provide a tempting target to incorporate paracrine signals into receptor activation. Finally ligand induced receptor activation can be fine tuned using allosteric antibodies.

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