Apparatus

Patent metadata

Field	Value
Publication number	US-12134757-B2
Application number	US-202217935259-A
Country	US
Kind code	B2
Filing date	Sep 26, 2022
Priority date	May 12, 2020
Publication date	Nov 5, 2024
Grant date	Nov 5, 2024

Abstract

Described herein is a beads-free bioprocessor as an automated and cost-effective T cell processing and manufacturing platform. T cells are a core component in CAR T cell therapies for cancer treatment, but are difficult to manufacture to scale in clinically relevant quantities. The 3D bioprocessor provides an alternative device that is scalable, beads-free, easy-to-use, and cost-effective for using CAR T cell therapy in cancer immunotherapy. Besides CAR T cell application, this platform technology has potential for many other applications such as cancer cell isolation.

First claim

The invention claimed is:

1. An apparatus, comprising:
a plurality of spherical beads and a plurality of rods interconnecting the plurality of spherical beads, the plurality of rods assisting in providing spacing between the plurality of spherical beads that are adjacent to each other, wherein the diameter of the plurality of spherical beads is from about 10 μm to about 10 mm, the length of the plurality of rods is from about 0.1 μm to about 25 mm, the plurality of spherical beads and the plurality of rods are fixedly organized in two or more layers with each layer offset in x, y and z directions from an adjacent layer, the plurality of spherical beads and the plurality of rods being in a rotational fixed orientation,
the apparatus further comprising a protein coating on a surface of the apparatus.

2. The apparatus of claim 1 , wherein the diameter of the plurality of spherical beads is from about 1 mm to about 3 mm, and the length of the plurality of rods is from about 100 μm to about 3 mm.

3. The apparatus of claim 1 , wherein the plurality of rods is a plurality of cylindrical rods.

4. The apparatus of claim 1 , wherein each of the diameters of the plurality of rods is less than half of each of the diameters of the plurality of spherical beads.

5. The apparatus of claim 1 , wherein the protein coating comprises a tetrameric protein.

6. The apparatus of claim 5 , wherein the tetrameric protein comprises avidin or streptavidin.

7. The apparatus of claim 1 , wherein the apparatus is formed from a material that has a tensile modulus of at least 0.01 GPa.

8. The apparatus of claim 1 , wherein the apparatus has a tensile modulus of from about 0.01 to about 10.0 GPa.

9. The apparatus of claim 1 , wherein the apparatus comprises a polymeric material selected from material including polystyrene, polycarbonate, acrylonitrile-butadiene-styrene (ABS), polylactic acid (PLA), and polycaprolactone (PCL).

10. The apparatus of claim 1 , wherein the apparatus is formed from a material that is photo-polymerization.

11. The apparatus of claim 10 , wherein the photo-polymerization material is poly(methyl methacrylate).

12. The apparatus of claim 10 , wherein each of the plurality of spherical beads is connected by 4 or more of the plurality of rods.

13. An apparatus, comprising:
a plurality of spherical beads and a plurality of rods interconnecting the plurality of spherical beads, the plurality of rods assisting in providing spacing between the plurality of spherical beads that are adjacent to each other, wherein the diameter of the spherical beads is from about 10 μm to about 10 mm, the length of the rods is from about 0.1 μm to about 25 mm, the plurality of spherical beads and the plurality of rods are organized in two or more layers with each layer offset from an adjacent layer,
further comprising a protein coating on a surface of the apparatus and wherein one or more biotinylated antibodies is immobilized to the protein coating.

14. The apparatus of claim 13 , wherein the one or more biotinylated antibody is selected from the group consisting of: anti-CD3 antibody, anti-CD28 antibody, and anti-CD2 antibody.

15. An apparatus, comprising:
a plurality of spherical beads and a plurality of rods interconnecting the plurality of spherical beads, the plurality of rods assisting in providing spacing between the plurality of spherical beads that are adjacent to each other, wherein the diameter of the spherical beads is from about 10 μm to about 25 mm, the length of the rods is from about 0.1 μm to about 25 mm, the plurality of spherical beads and the plurality of rods are fixedly organized in two or more layers with each layer offset in x, y and z directions from an adjacent layer, the plurality of spherical beads and the plurality of rods being in a rotational fixed orientation,
the apparatus further comprising a protein coating on a surface of the apparatus.

16. The apparatus of claim 15 , wherein the diameter of the plurality of spherical beads is from about 25 μm to about 25 mm.

17. The apparatus of claim 16 , wherein the diameter of the plurality of spherical beads is from about 250 μm to about 6 mm.

18. The apparatus of claim 15 , wherein the plurality of rods is a plurality of cylindrical rods.

19. An apparatus, comprising:
a plurality of spherical beads and a plurality of rods interconnecting the plurality of spherical beads, the plurality of rods assisting in providing spacing between the plurality of spherical beads that are adjacent to each other, wherein the diameter of the plurality of spherical beads is from about 10 μm to about 25 mm, the length of the plurality of rods is from about 0.1 μm to about 25 mm, the plurality of spherical beads and the plurality of rods are fixedly organized in a repeatable structure, the plurality of spherical beads and the plurality of rods are fixedly organized in two or more lavers with each layer offset in x, y and z directions from an adjacent layer, the plurality of spherical beads and the plurality of rods being in a rotational fixed orientation,
the apparatus further comprising a protein coating on a surface of the apparatus.

20. The apparatus of claim 19 , wherein the plurality of rods is a plurality of cylindrical rods.

21. The apparatus of claim 19 , wherein the diameter of the plurality of spherical beads is from about 10 μm to about 25 mm.

Assignees

• Southwest Res Inst
• Univ Pennsylvania

Inventors

• Ling Jian
• Zimmern Kreg A
• Milone Michael C

Classifications

• A61K40/31

  Chimeric antigen receptors [CAR] · CPC title

• A61K40/11

  T-cells, e.g. tumour infiltrating lymphocytes [TIL] or regulatory T [Treg] cells; Lymphokine-activated killer [LAK] cells · CPC title

• A61K40/40

  characterised by antigens that are targeted or presented by cells of the immune system · CPC title

• A61K2239/38

  characterised by the dose, timing or administration schedule · CPC title

• C12N5/0636 Primary

  T lymphocytes · CPC title