IL4 / IL13 receptor molecules for veterinary use

The IL13R/IL4R continuous polypeptides address the challenge of reducing IL4 and IL13 signaling in companion animals by binding to these cytokines, effectively alleviating allergic diseases such as atopic dermatitis and asthma.

JP7657548B2Active Publication Date: 2025-04-07ELANCO US INC
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Patent Information

Application Number
JP2019556941
Authority / Receiving Office
JP · JP
Patent Type
Patents
Current Assignee / Owner
Priority Date
2017-04-21
Filing Date
2018-04-20
Publication Date
2025-04-07
Estimated Expiration
2038-04-20

AI Technical Summary

Technical Problem

Companion animals such as dogs, cats, and horses suffer from allergic diseases like atopic dermatitis and asthma, which are induced by interleukin 4 (IL4) and interleukin 13 (IL13). There is a need for methods and compounds that can specifically bind to these cytokines in companion animals to reduce their signaling activity and alleviate associated clinical signs.

Method used

The development of continuous polypeptides comprising the extracellular domains of IL13R and IL4R derived from companion animal species. These polypeptides, such as IL13R-L1-IL4R-L2-FP or IL4R-L1-IL13R-L2-FP, are designed to bind to IL4 and/or IL13, thereby reducing their signaling activity in companion animals.

Benefits of technology

The IL13R/IL4R continuous polypeptides effectively bind to IL4 and IL13 with high affinity, reducing their signaling activity in companion animals. This leads to a decrease in the clinical signs associated with allergic diseases such as atopic dermatitis and asthma, providing a therapeutic benefit for companion animals.

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Abstract

Various embodiments are provided relating to IL13R / IL4R contiguous polypeptides derived from companion animal species that bind IL13 and / or IL4. Such contiguous polypeptides can be used in methods of treating IL13- and / or IL4-induced conditions in companion animals, such as dogs, cats, and horses. [Selected Figure] Figure 1
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