SAMPLE STORAGE FOR LIFE SCIENCE

• US 20080268514A1
• Filed: 04/23/2008
• Published: 10/30/2008
• Est. Priority Date: 04/24/2007
• Status: Abandoned Application

• Current Assignee: Biomatrica, Inc. (Exact Sciences Corporation)
• Original Assignee: Biomatrica, Inc. (Exact Sciences Corporation)
• Inventors: Muller, Rolf, Muller-Cohn, Judy
• Application Number:
  US12/108,360
• Publication Number:
  US 20080268514A1
• Time in Patent Office: Days
• US Class Current: 435/174
• CPC Class Codes: A01N 1/02 Preservation of living parts
• CPC Class Codes: A01N 1/0226 Physiologically active agents, i.e. substances affecting physiological processes of cells and tissue to be preserved, e.g. anti-oxidants or nutrients
• CPC Class Codes: C12N 1/04 Preserving or maintaining viable microorganisms immobilised microorganisms C12N11/00
• CPC Class Codes: C12N 9/96 Stabilising an enzyme by forming an adduct or a composition; Forming enzyme conjugates

Abstract

Compositions and methods are disclosed for liquid storage of biological samples with recovery of substantially all biological activity and without refrigeration. Also disclosed are compositions and methods for automated storing, tracking retrieving and analyzing of such liquid-storable biological samples, including nucleic acids and proteins (including enzymes). RFID-tagged liquid-storable biological sample storage devices featuring liquid matrices are disclosed, as also are computer-implemented systems and methods for managing sample data.

Claims

1. A liquid-storable biological sample, comprising:

(a) a biological sample;

(b) a liquid matrix that comprises a matrix material dissolved or dissociated in a biocompatible solvent; and

(c) at least one stabilizer,

wherein (a), (b) and (c) are in fluid contact with one another for at least one day without refrigeration, and

wherein substantially all biological activity of the liquid-storable biological sample is recoverable following storage without refrigeration for a time period of at least one day.

2. The liquid-storable biological sample of claim 1 which comprises at least two stabilizers.

3. The liquid-storable biological sample of claim 1 wherein the at least one stabilizer comprises a trehalase inhibitor.

4. The liquid-storable biological sample of claim 1 wherein the matrix material comprises polyvinyl alcohol.

5. The liquid-storable biological sample of claim 1 wherein the at least one stabilizer comprises a glycosidase inhibitor that is selected from the group consisting of:

(i) a trehalase inhibitor,

(ii) a chitinase inhibitor,

(iii) an α

-glucosidase inhibitor,

(iv) a glycogen phosphorylase inhibitor,

(vi) a neuraminidase inhibitor,

(vi) a ceramide glucosyltransferase inhibitor, and

(vii) a lysosomal glycosidase inhibitor.

6. The liquid-storable biological sample according to either claim 3 or claim 5 wherein the trehalase inhibitor is selected from the group consisting of suidatrestin, validamycin A, validoxylamine A, MDL 26537, trehazolin, salbostatin and casuarine-6-O-α

-D-glucopyranoside.

7. The liquid-storable biological sample according to claim 1 wherein the matrix material is dissolved in the biocompatible solvent.

8. The liquid-storable biological sample according to claim 1 wherein at least one stabilizer comprises an inhibitor that is a biological inhibitor or a biochemical inhibitor.

9. The liquid-storable biological sample of claim 5 wherein the matrix material comprises polyvinyl alcohol.

10. The liquid-storable biological sample according to claim 1 wherein the liquid matrix comprises a solution that comprises from about 0.1% to about 10% weight-to-volume polyvinyl alcohol.

11. The liquid-storable biological sample of claim 10 wherein the liquid matrix comprises a solution that comprises from about 0.5% to about 5% weight-to-volume polyvinyl alcohol.

12. The liquid-storable biological sample of claim 10 wherein the liquid matrix comprises a solution that comprises from about 1% to about 5% weight-to-volume polyvinyl alcohol.

13. The liquid-storable biological sample of claim 10 wherein the liquid matrix comprises a solution comprises from about 0.5% to about 1.5% weight-to-volume polyvinyl alcohol.

14. The liquid-storable biological sample of claim 10 wherein the liquid matrix comprises a solution that is selected from the group consisting of:

(i) a solution that comprises about 1% weight-to-volume polyvinyl alcohol,

(ii) a solution that comprises about 3% weight-to-volume polyvinyl alcohol,

(iii) a solution that comprises about 5% weight-to-volume polyvinyl alcohol,

(iv) a solution that comprises about 1% weight-to-volume polyvinyl alcohol and about 5% weight-to-volume trehalose,

(v) a solution that comprises about 1% weight-to-volume polyvinyl alcohol and about 5% weight-to-volume validamycin, and

(vi) a solution that comprises about 1% weight-to-volume polyvinyl alcohol, about 5% weight-to-volume trehalose and about 5% weight-to-volume validamycin.

15. The liquid-storable biological sample of claim 10 wherein the liquid matrix comprises a solution that is selected from the group consisting of:

(i) a solution that comprises from about 1% weight-to-volume to about 5% weight-to-volume polyvinyl alcohol and about 5% weight-to-volume of a trehalase inhibitor,

(ii) a solution that comprises about 1% weight-to-volume polyvinyl alcohol and about 1% to about 10% weight-to-volume of a trehalase inhibitor, and

(iii) a solution that comprises about 1% weight-to-volume polyvinyl alcohol, about 5% weight-to-volume trehalose and about 5% weight-to-volume of a trehalase inhibitor.

16. The liquid-storable biological sample according to claim 14 or claim 15 wherein the trehalase inhibitor is selected from the group consisting of suidatrestin, validamycin A, validoxylamine A, MDL 26537, trehazolin, salbostatin and casuarine-6-O-α

-D-glucopyranoside.

17. The liquid-storable biological sample of claim 1 wherein the matrix material comprises at least one material selected from the group consisting of polyethylene glycol, agarose, poly-N-vinylacetamide, polyvinyl alcohol, carboxymethyl cellulose, 2-hydroxyethyl cellulose, poly(2-ethyl-2-oxazoline), poly(vinyl-pyrrolidone)sui, poly(4-vinylpyridine), polyphenylene oxide, crosslinked acrylamide, polymethacrylate, carbon nanotubes, polylactide, lactide/glycolide copolymer, hydroxymethacrylate copolymer, calcium pectinate, hydroxypropyl methylcellulose acetate succinate, heparin sulfate proteoglycan, hyaluronic acid, glucuronic acid, thrombospondin-1 N-terminal heparin-binding domain, fibronectin, a peptide/water-soluble polymeric modifier conjugate and collagen.

19. The liquid-storable biological sample of claim 1 wherein the biological sample comprises at least one of

(i) an isolated biomolecule that is selected from the group consisting of DNA, RNA, a protein, a polypeptide, a lipid, a carbohydrate, a glycoconjugate, an oligosaccharide, and a polysaccharide,

(ii) a biological material that is selected from the group consisting of a mammalian cell, a non-mammalian cell, a plant cell, an animal cell, a bacterium, a microorganism, a yeast cell, a virus, a vaccine, blood, urine, a biological fluid, an environmental sample, and a buccal swab, and

(iii) a bioactive small molecule.

21. The liquid-storable biological sample according to claim 1 or claim 20, further comprising a buffer that is capable of maintaining a desired pH.

22. The liquid-storable biological sample of claim 21 wherein the buffer comprises a compound that is selected from the group consisting of Tris, citrate, acetate, phosphate, borate, HEPES, MES, MOPS, PIPES, carbonate and bicarbonate.

23. The liquid-storable biological sample of claim 8 wherein the biological inhibitor or biochemical inhibitor is selected from the group consisting of validamycin A, TL-3, sodium orthovanadate, sodium fluoride, N-α

-tosyl-Phe-chloromethylketone, N-α

-tosyl-Lys-chloromethylketone, aprotinin, phenylmethylsulfonyl fluoride and diisopropylfluoro-phosphate.

24. The liquid-storable biological sample of claim 8 wherein the biological inhibitor or biochemical inhibitor is selected from the group consisting of a kinase inhibitor, a phosphatase inhibitor, a caspase inhibitor, a granzyme inhibitor, a cell adhesion inhibitor, a cell division inhibitor, a cell cycle inhibitor, a lipid signaling inhibitor and a protease inhibitor.

25. The liquid-storable biological sample of claim 8 wherein the biological inhibitor or biochemical inhibitor is selected from the group consisting of a reducing agent, an alkylating agent and an antimicrobial agent.

26. The liquid-storable biological sample according to claim 1 or claim 20, which comprises at least one detectable indicator.

27. The liquid-storable biological sample of claim 26 wherein the detectable indicator comprises a calorimetric indicator.

28. The liquid-storable biological sample of claim 26 wherein the detectable indicator comprises one or a plurality of gas chromatography/mass spectrometry (GCMS) tag compounds.

29. The liquid-storable biological sample of claim 26 wherein the detectable indicator is selected from the group consisting of a fluorescent indicator, a luminescent indicator, a phosphorescent indicator, a radiometric indicator, a dye, an enzyme, a substrate of an enzyme, an energy transfer molecule, and an affinity label.

30. The liquid-storable biological sample of claim 26 wherein the detectable indicator is capable of detectably indicating presence of at least one of an amine, an alcohol, an aldehyde, a thiol, a sulfide, a nitrite, avidin, biotin, an immunoglobulin, an oligosaccharide, a nucleic acid, a polypeptide, an enzyme, a cytoskeletal protein, a reactive oxygen species, a metal ion, pH, Na⁺, K⁺, Cl⁻

, a cyanide, a phosphate and selenium.

31. The liquid-storable biological sample of claim 26 wherein the detectable indicator is selected from the group consisting of phenol red, ethidium bromide, a DNA polymerase, a restriction endonuclease, cobalt chloride, Reichardt'"'"'s dye and a fluorogenic protease substrate.

32. The liquid-storable biological sample of claim 1 or claim 20 wherein substantially all biological activity of the liquid-storable biological sample is recoverable following storage without refrigeration for a time period that is selected from the group consisting of (i) at least one week, (ii) at least one month, (iii) at least six months, (iv) at least nine months, (v) at least twelve months, (vi) at least eighteen months and (vii) at least twenty-four months.

33. The liquid-storable biological sample according to claim 1,

wherein:

(I) the matrix material does not covalently self-assemble and has the structure;

—

[—

X—

]_n—

wherein X is —

CH₃, —

CH₂—

, —

CH₂CH(OH)—

, substituted —

CH₂CH(OH)—

, —

CH₂CH(COOH)—

, substituted —

CH₂CH(COOH)—

, —

CH═

CH₂, —

CH═

CH—

, C₁-C₂₄ alkyl or substituted alkyl, C_2-24 alkenyl or substituted alkenyl, polyoxyethylene, polyoxypropylene, or a random or block copolymer thereof;

and wherein n is an integer having a value of about 1-100, 101-500, 501-1000, 1001-1500, or 1501-3000;

and wherein

(II) the stabilizer is not covalently linked to the matrix material and comprises trehalose, a trehalase inhibitor, or a compound that is selected from the group consisting of D-(+)-raffinose, β

-gentiobiose, ectoine, D-(+)-raffinose pentahydrate, myo-inositol, hydroxyectoine, magnesium D-gluconate, 2-keto-D-gluconic acid hemicalcium salt hydrate, D(+)-melezitose, calcium lactobionate monohydrate, β

-lactose, turamose, and D-maltose.

34. The liquid-storable biological sample of claim 33 wherein the matrix material is capable of non-covalent association with at least one stabilizer.

35. The liquid-storable biological sample of claim 33 wherein the matrix material is capable of non-covalent association with at least one of a nucleic acid molecule and a polypeptide.

69. The liquid-storable biological sample according to any one of claims 1, 20 and 54 that is formulated to be isotonic, hypertonic or hypotonic.

18. (canceled)

20. A liquid-storable biological sample, comprising:

(a) a biological sample;

(b) a liquid matrix that comprises polyvinyl alcohol dissolved in a biocompatible solvent; and

(c) at least one stabilizer which comprises validamycin,

wherein (a), (b) and (c) are in fluid contact with one another for at least one day without refrigeration, and wherein substantially all biological activity of the liquid-storable biological sample is recoverable following storage without refrigeration for a time period of at least one day.

36-53. -53. (canceled)

54. A liquid-storable biological sample, comprising:

(a) a biological sample;

(b) a liquid matrix that comprises a matrix material dissolved or dissociated in a biocompatible solvent;

(c) at least one stabilizer; and

(d) an activity buffer,

wherein (a), (b), (c) and (d) are in fluid contact with one another for at least one day without refrigeration, and

wherein substantially all biological activity of the liquid-storable biological sample is recoverable following storage without refrigeration for a time period of at least one day.

55. The liquid-storable biological sample of claim 54 wherein the activity buffer comprises a composition that is selected from the group consisting of a pH buffer, a free radical trapping agent, and a pathogen-neutralizing agent.

56-68. -68. (canceled)

70-72. -72. (canceled)