Compositions and Methods for Modification of Cells

Tech ID: 32783 / UC Case 2022-111-0

Patent Status

Country Type Number Dated Case
Patent Cooperation Treaty Published Application WO 2023/220617 11/16/2023 2022-111

Additional Patent Pending

Brief Description

New chemistries are emerging for the direct attachment of complex molecules to cell surfaces. Chemistries that modify cells must perform under a narrow set of conditions in order to maintain cell viability. They must proceed in buffered aqueous media at the optimal physiological pH—typically pH 7.4—and within a temperature range of 4 – 37 ºC. Furthermore, these reactions must have sufficiently rapid kinetics to achieve high conversion even when confronted with the limits of surface diffusion characteristics. Due to these requirements, few chemistries exist that can attach molecules and proteins to live cells.  There is a need for improved methods of attaching proteins to living cells.


UC researchers have developed a convenient enzymatic strategy for the modification of cell surfaces for targeted immunotherapy applications.  

Suggested uses

  • attachment of complex molecules to cell surfaces.
  • cell-based immunotherapies 


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