Follistatin fusion protein

JP2025520393A5Pending Publication Date: 2026-06-15UCB BIOPHARMA SPRL

Patent Information

Authority / Receiving Office
JP · JP
Patent Type
Applications
Current Assignee / Owner
UCB BIOPHARMA SPRL
Filing Date
2023-06-14
Publication Date
2026-06-15

AI Technical Summary

Technical Problem

Existing follistatin-based therapies face challenges due to difficulties in expressing follistatin in vitro and its short half-life in vivo, limiting its therapeutic potential.

Method used

Development of follistatin fusion proteins incorporating an antigen-binding antibody portion, such as Fab, which enhances expression and stability by binding to albumin, thereby improving half-life and efficacy.

🎯Benefits of technology

The fusion proteins exhibit improved expression levels and extended half-life, maintaining biological activity and inhibitory effects on activin ligands, making them more effective therapeutic agents.

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Abstract

The present invention relates to the field of fusion proteins, and particularly to fusion proteins containing a follistatin moiety. The present invention also relates to a method for producing the fusion protein, together with a pharmaceutical preparation containing the fusion protein.
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