Device for tissue section immobilization and retention
Disclosed herein, inter alia, are devices and methods for transfer and analyses of tissue sections using carrier substrates.
1. A device comprising:
a solid support comprising a plurality of discrete tissue samples attached to the solid support, wherein each discrete tissue sample comprises
a tissue section comprising a width of about 1 mm to about 10 mm and a thickness of about 1 μm to about 50 μm; and
a hydrogel substrate attached to the tissue section,
wherein the hydrogel substrate of each tissue section does not contact other tissue sections.
2. The device of claim 1 , wherein each tissue section is a formalin-fixed and paraffin embedded (FFPE) tissue section.
3. The device of claim 1 , wherein each tissue section is a frozen tissue section.
4. The device of claim 1 , wherein a length, width, and/or diameter of each tissue section is about 4 mm to about 10 mm.
5. The device of claim 1 , wherein a thickness of each tissue section is about 1 μm to about 20 μm.
6. The device of claim 1 , wherein a thickness of each tissue section is less than 6 μm, 7 μm, 8 μm, 9 μm or 10 μm.
7. The device of claim 1 , wherein each tissue section comprises breast tissue, lung tissue, colon tissue, lymph tissue, kidney tissue, bone tissue, tonsil tissue, or brain tissue.
8. The device of claim 1 , wherein each tissue section bonds to the hydrogel substrate via a first bond having a first adhesion strength, and wherein the tissue section bonds to the solid support via a second bond having a second adhesion strength, wherein the second adhesion strength is greater than the first adhesion strength.
9. The device of claim 1 , wherein the hydrogel substrate comprises a compression modulus greater than about 100 kPa.
10. The device of claim 1 , wherein the hydrogel substrate comprises a compression modulus of about 5 kPa to about 30 kPa.
11. The device of claim 1 , wherein the hydrogel substrate comprises agarose, amylose, or amylopectin.
12. The device of claim 1 , wherein the hydrogel substrate comprises 2% to 5% agarose.
13. The device of claim 1 wherein the hydrogel substrate comprises 3% to 20% acrylamide.
14. The device of claim 1 , wherein the hydrogel substrate comprises poly(2-hydroxyethyl methacrylate) (PHEMA); 2-hydroxyethyl methacrylate (HEMA); polyethylene glycol methacrylate (PEGMA); a copolymer of methacrylic acid (MAA) and polyethylene glycol methacrylate (PEGMA); or poly(N-isopropyl acrylamide) (PNIPAM).
15. The device of claim 1 , wherein the hydrogel substrate comprises poly(hydroxyethyl methacrylate) (PHEMA), poly(glyceryl methacrylate) (PGMA), poly(hydroxypropyl methacrylate) (PHPMA), polyacrylamide (PAM), polymethacrylamide (PMAM), polyvinyl alcohol (PVA), polyacrylic acid (PAA), polyvinyl pyrrolidone (PVP), poly(ε-caprolactone) (PCL), poly(ethyleneimine) (PEI), poly(N,N-dimethylacrylamide) (PDMAM), poly(2-methoxyethyl acrylate) (PMEA), or a copolymer thereof.
16. The device of claim 1 , wherein the solid support is glass.
17. The device of claim 16 , wherein the solid support comprises collagen type I, fibronectin, laminin, or poly-lysine.
18. The device of claim 16 , wherein the solid support comprises (3-aminopropyl)triethoxysilane (APTES), (3-Aminopropyl)trimethoxysilane (APTMS), γ-Aminopropylsilatrane (APS), N-(6-aminohexyl)aminomethyltriethoxysilane (AHAMTES), polyethylenimine (PEI), 5,6-epoxyhexyltriethoxysilane, or triethoxysilylbutyraldehyde, or a combination thereof.
19. The device of claim 1 , further comprising a fluorescent particle between the solid support and each tissue section.
20. The device of claim 1 , wherein the solid support comprises 2, 4, 6, 12, 24, 48, or 96 discrete tissue samples.
21. The device of claim 1 , wherein each discrete tissue sample is separated by an interstitial region.
22. The device of claim 1 , wherein each discrete tissue sample is separated from each other by at least 1 mm.
23. The device of claim 1 , wherein each discrete tissue sample is separated from each other by about 1 mm to about 10 mm.
24. A device comprising:
a solid support comprising a plurality of discrete tissue portions attached to the solid support at a first adhesion strength, wherein each tissue portion comprises a tissue section comprising a thickness of about 1 μm to about 50 μm and a polymer substrate bound to the tissue section at a second adhesion strength, wherein the first adhesion strength is greater than the second adhesion strength and wherein each polymer substrate does not contact other tissue sections.