USPTO Patent Grant: Microbial Polypeptides for Glycogen Storage Diseases
Summary
The USPTO has granted patent US12582724B2 to Duke University for compositions comprising microbial polypeptides designed to treat glycogen storage diseases. The patent covers isolated nucleic acid molecules, vectors, and methods utilizing these components for therapeutic purposes.
What changed
The United States Patent and Trademark Office (USPTO) has issued patent US12582724B2, granting Duke University exclusive rights to "Compositions comprising microbial polypeptides for degrading glycogen and methods for the treatment of glycogen storage diseases." The patent claims cover specific nucleic acid sequences encoding microbial polypeptides optimized for expression in mammalian cells, along with associated vectors and therapeutic methods for treating glycogen storage diseases and other inherited conditions.
This patent grant is primarily relevant to entities involved in pharmaceutical research and development, particularly those focusing on genetic therapies and rare diseases. While it does not impose direct compliance obligations on other regulated entities, it signifies intellectual property protection in the biotechnology sector. Companies operating in this space should be aware of this patent's scope to avoid potential infringement issues.
Source document (simplified)
Compositions comprising microbial polypeptides for degrading glycogen and methods for the treatment of glycogen storage diseases
Grant US12582724B2 Kind: B2 Mar 24, 2026
Assignee
Duke University
Inventors
Priya Kishnani, Baodong Sun, Jeong-A Lim
Abstract
This disclosure provides isolated nucleic acid molecules comprising nucleic acid sequences encoding microbial polypeptides that are codon optimized for expression in mammalian cells, vectors comprising an immunotolerant dual promoter system, and methods using these polynucleotides and polypeptides to treat glycogen storage diseases and other inherited diseases.
CPC Classifications
A61K 48/0058 C12N 9/2457 C12N 15/86 C12N 2800/22 C12N 9/2451 C12Y 302/01041
Filing Date
2020-02-20
Application No.
17432011
Claims
14
Named provisions
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