Oligomeric particle reagents and methods of use thereof
AssigneeJuno Therapeutics, Inc.
InventorsThomas Schmidt, Christian Stemberger, Tom Kowski, Ken Prentice
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AssigneeJuno Therapeutics, Inc.
InventorsThomas Schmidt, Christian Stemberger, Tom Kowski, Ken Prentice
Estimating the term…
Provided herein are oligomeric reagents, including oligomeric reagents of streptavidin or a streptavidin mutein, compositions thereof, and methods for manufacturing oligomeric reagents, including methods for reliably manufacturing oligomeric particle reagents of a desired size. In some cases, the reagents are oligomeric particle reagents containing a plurality of binding sites for agents, and thus the one or more agents are multimerized by reversibly binding to the oligomeric particle reagent, e.g., thereby creating a multimerized oligomeric particle reagent, having stimulatory agents multimerized thereon. Also provided are methods for using the oligomeric reagents for incubation or culturing, such as to induce stimulation of expansion, activation, and/or survival, of a composition of cells such as a population of lymphocytes. In some aspects, the disclosure provides methods and reagents for the stimulation, survival, persistence, activation, or other effect of cell populations that involve binding of agents to a molecule on the cell surface.
A multimerized oligomeric particle reagent that is in soluble form and comprises (i) an oligomer of between 1,500 and 7,500 tetramers of a streptavidin molecule or a streptavidin mutein molecule and (ii) a receptor-binding agent that binds to a receptor expressed on the surface of a target cell, wherein:
The multimerized oligomeric particle reagent of claim wherein the oligomer comprises between 2,000 and 4,000 tetramers of the streptavidin or streptavidin mutein molecule.
The multimerized oligomeric particle reagent of claim wherein the oligomer comprises between 2,000 and 3,000 tetramers of the streptavidin or streptavidin mutein molecule.
A multimerized oligomeric particle reagent, comprising an oligomer of between 2,000 and 3,000 tetramers of a streptavidin mutein molecule, a first receptor-binding agent comprising a first streptavidin-binding peptide and an anti-CD3 Fab, and a second receptor-binding agent comprising a second streptavidin-binding peptide and an anti-CD28 Fab, wherein:
Dependencies are inferred from the claim text.