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Background: Interleukin (IL)25 has been implicated in tissue homeostasis at barrier surfaces and the initiation of type two inflammatory signaling in response to infection and cell injury across multiple organs. We sought to discover and engineer a high affinity neutralizing antibody and evaluate the antibody functional activity and .
Methods: In this study, we generated a novel anti-IL25 antibody (22C7) and investigated the antibody's therapeutic potential for targeting IL25 in inflammation.
Results: A novel anti-IL25 antibody (22C7) was generated with equivalent affinity and potency against the human and mouse orthologs of the cytokine. This translated into potency in an IL25-induced air pouch model where 22C7 inhibited the recruitment of monocytes, macrophages, neutrophils and eosinophils. Furthermore, 22C7 significantly reduced ear swelling, acanthosis and disease severity in the Aldara mouse model of psoriasiform skin inflammation. Given the therapeutic potential of IL25 targeting in inflammatory conditions, 22C7 was further engineered to generate a highly developable, fully human antibody while maintaining the affinity and potency of the parental molecule.
Conclusions: The generation of 22C7, an anti-IL25 antibody with efficacy in a preclinical model of skin inflammation, raises the therapeutic potential for 22C7 use in the spectrum of IL25-mediated diseases.
Download full-text PDF |
Source |
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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC9590316 | PMC |
http://dx.doi.org/10.1093/abt/tbac022 | DOI Listing |
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