2010
DOI: 10.1002/dmrr.1080
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Engineering and characterization of the long‐acting glucagon‐like peptide‐1 analogue LY2189265, an Fc fusion protein

Abstract: Background Glucagon-like peptide-1 (GLP-1) receptor agonists are novel agents for type 2 diabetes treatment, offering glucose-dependent insulinotropic effects, reduced glucagonemia and a neutral bodyweight or weight-reducing profile. However, a short half-life (minutes), secondary to rapid inactivation by dipeptidyl peptidase-IV (DPP-IV) and excretion, limits the therapeutic potential of the native GLP-1 hormone. Recently, the GLP-1 receptor agonist exenatide injected subcutaneously twice daily established a n… Show more

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Cited by 244 publications
(223 citation statements)
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“…The incidence of antibodies in the present study was lower than in other GLP‐1 compounds with an exendin‐4 backbone (exenatide twice daily, 44–60% 32; exenatide once weekly, 61–68% 33, 34; and lixisenatide, approximately 70% 35); the lower incidence in the present study is probably attributable to the design of the dulaglutide molecule 36.…”
Section: Discussioncontrasting
confidence: 74%
“…The incidence of antibodies in the present study was lower than in other GLP‐1 compounds with an exendin‐4 backbone (exenatide twice daily, 44–60% 32; exenatide once weekly, 61–68% 33, 34; and lixisenatide, approximately 70% 35); the lower incidence in the present study is probably attributable to the design of the dulaglutide molecule 36.…”
Section: Discussioncontrasting
confidence: 74%
“…The GLP-1 analog portion of dulaglutide is approximately 90% homologous to native human GLP-1. Three alterations to the GLP-1 portion of the molecule were incorporated to optimize its clinical profile, including protection from DPP-4 inactivation, increased solubility, and reduction of immunogenicity [20]. The addition of the IgG4 fragment crystallizable (Fc) portion helped to decrease the rate of renal clearance of dulaglutide.…”
Section: Introductionmentioning
confidence: 99%
“…The molecule is a recombinant fusion of glucagon-like peptide-1 (GLP-1) analog consisting of two identical disulfide-linked chains covalently linked to a modified IgG4 heavy chain-Fc fragment, which are fused together by a small peptide linker ( Figure 3C) [4]. The GLP-1 analog portion of dulaglutide contains 3 mutations compared to the native GLP-1 peptide.…”
Section: Selected Igg-fc Fusion Molecules In Clinical Usementioning
confidence: 99%
“…The arginine change at position 36 at the junction between the GLP-1 moiety and the linker sequence to glycine de-immunizes the fusion protein. The IgG4 Fc region of dulaglutide was optimized to reduce interaction with Fcγ receptor I and to eliminate half-antibody formation [4]. In addition, the C-terminal lysine was removed from the IgG-Fc.…”
Section: Selected Igg-fc Fusion Molecules In Clinical Usementioning
confidence: 99%
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