Cell Based Assays for Botulinum Neurotoxins Serotype-Specific
Summary
USPTO published patent application US20260092255A1 for serotype-specific cell-based assays used in characterizing Clostridia botulinum neurotoxins. The assays utilize genetically modified cells capable of discriminating between different serotypes of clostridium neurotoxins without requiring serotype-specific neutralizing antibodies or competing heavy chains. Inventors: Ward Tucker, Francis Mark Dunning, Tim Piazza. Application No. 18920316.
What changed
USPTO published patent application US20260092255A1 covering cell-based assays for botulinum neurotoxin characterization and the genetically modified cells utilized in such assays. The application discloses methods allowing discrimination between different serotypes of clostridium neurotoxins having the same SNARE protein substrate specificity—a capability absent in parental cell lines—without relying on serotype-specific neutralizing antibodies or competing heavy chains derived from Clostridia botulinum neurotoxin.
This is a published patent application (A1 publication) under the patent classification C12N (Biotechnology). No compliance actions, deadlines, or regulatory requirements are imposed on any party. The publication represents an intellectual property filing under USPTO procedures. No penalties or enforcement actions are associated with this document. Entities with relevant research interests may review the claims to assess potential patent landscape considerations.
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Apr 2, 2026GovPing captured this document from the original source. If the source has since changed or been removed, this is the text as it existed at that time.
Cell Based Assays for Botulinum
Application US20260092255A1 Kind: A1 Apr 02, 2026
Inventors
Ward Tucker, Francis Mark Dunning, Tim Piazza
Abstract
Serotype-specific cell based assays for the characterization of Clostridia botulinum neurotoxins and genetically modified cells utilized in such assays are described. Such assays and genetically modified cells can discriminate between different serotypes of clostridium neurotoxins having the same SNARE protein substrate specificity, despite a lack of such discrimination in the parental cell line. This discrimination is achieved without the use of serotype-specific neutralizing antibodies and without the use of competing heavy chains derived from a Clostridia botulinum neurotoxin.
CPC Classifications
C12N 5/0619 G01N 33/5091 G01N 33/582 C12N 2510/00 G01N 2333/33
Filing Date
2023-04-20
Application No.
18920316
Named provisions
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