Method of separating and purifying cellular components using non-covalent bond between cucurbituril derivative and guest compound and apparatus using the same

Patent metadata

Field	Value
Publication number	US-9073972-B2
Application number	US-98825409-A
Country	US
Kind code	B2
Filing date	Apr 15, 2009
Priority date	Apr 16, 2008
Publication date	Jul 7, 2015
Grant date	Jul 7, 2015

Abstract

Provided is a method of separating cellular components, the method including: a) contacting a guest compound-bound reactive compound with cells; b) lysing the cells; c) adding a host compound-bound solid phase to a solution including the lysates of the cells to prepare a mixture; d) separating binding pairs of the guest compound bound to cellular components and the host compound bound to the solid phase from the mixture, and purifying the binding pairs; and e) separating the cellular components from the binding pairs, wherein the guest compound-bound reactive compound is obtained through a covalent bond between a reactive compound and a guest compound represented by Formula 2 below guest, the host compound-bound solid phase is obtained through a covalent bond between a solid phase and a host compound represented by Formula 1 below, and the reactive compound includes at least one selected from the group consisting of a biomolecule, N-hydroxysuccimide, an antigen, an antibody, an aptamer, folic acid, transferrin, and any mixtures thereof.

First claim

The invention claimed is:

1. A method of separating cellular components, the method comprising:
a) contacting a guest compound-bound reactive compound with cells;
b) binding the guest compound-bound reactive compound to a cellular component of the cell;
c) lysing the cells;
d) adding a host compound-bound solid phase to a solution comprising the lysates of the cells to prepare a mixture;
e) separating binding pairs of the guest compound bound to cellular components and the host compound bound to the solid phase from the mixture, and purifying the binding pairs; and
f) separating the cellular components from the binding pairs,
wherein the host compound-bound solid phase is obtained through a covalent bond between a solid phase and a host compound represented by Formula 1 below,

wherein n is an integer in the range of 6 to 10, X is one selected from the group consisting of O, S, and NH,
A 1 and A 2 are each independently selected from the group consisting of H, OR, SR, NHR, COOH, O(CH 2 ) a S(CH 2 ) b NH 2 , and O(CH 2 ) a S(CH 2 ) b COOH, wherein a and b are each independently an integer in the range of 1 to 5, R is selected from the group consisting of H, a C 1 -C 30 alkyl group, a C 2 -C 30 alkenyl group, a C 2 -C 30 alkynyl group, a C 2 -C 30 carbonylalkyl group, a C 1 -C 30 thioalkyl group, a C 1 -C 30 alkylthiol group, a C 1 -C 30 hydroxyalkyl group, a C 1 -C 30 alkylsilyl group, a C 1 -C 30 aminoalkyl group, a C 1 -C 30 aminoalkylthioalkyl group, a C 5 -C 30 cycloalkyl group, a C 2 -C 30 heterocycloalkyl group, a C 6 -C 30 aryl group, a C 7 -C 30 arylalkyl group, a C 4 -C 30 heteroaryl group, and a C 4 -C 30 heteroarylalkyl group, and both A 1 and A 2 are not hydrogen at the same time, and
wherein the guest compound-bound reactive compound is a compound selected from a group consisting of Formulae 12 and 13 below:

2. The method of claim 1 , wherein the cellular components comprise at least one selected from the group consisting of a cell membrane protein, an enzyme, a nucleic acid, a protein, an amino acid, an antibody, an antigen, an inhibitor, a vitamin, a cofactor, a fatty acid, a cell membrane, a substrate, a substrate analog, a suppressor, a coenzyme, a virus, lectin, a polysaccharide, a glycoprotein, a receptor, histone, an adenosine triphosphate (ATP), an adenosine diphosphate (ADP), a hormone receptor, glutathione, and any mixtures thereof.

3. The method of claim 1 , wherein the solid phase comprises at least one selected from the group consisting of a polymer, a magnetic bead, a polymer-coated magnetic bead, silica gel, agarose gel, polymer or gold-coated silica gel, a zirconium oxide, a monolithic polymer, gold thin film, silver thin film, glass, ITO-coated glass, silicon, metal electrode, nanorod, nanotube, nanowire, curdlan gum, cellulose, nylon membrane, sepharose, sephadex, and any mixtures thereof.

4. The method of claim 1 , wherein the host compound is covalently bonded to the solid phase through a terminal reactive functional group on the surface of the solid phase.

5. The method of claim 4 , wherein the terminal reactive functional group comprises at least one selected from the group consisting of a halogen group, a cyano group, a carboxyl group, an amine group, a hydroxy group, an allyloxy group, a succinimidyl group, a thiol group, and any mixtures thereof.

6. The method of claim 1 , wherein the solid phase is in the form of beads.

7. The method of claim 1 , wherein the number of hydroxy groups included in the host compound represented by Formula 1 is in the range of 1 to 14.

8. The method of claim 1 , wherein the host compound is represented by one selected from the group consisting of Formulae 3 to 5 below:

wherein n is an integer in the range of 6 to 10, and X is one selected from the group consisting of O, S, and NH.

9. The method of claim 1 , wherein n is 7, and X is O in Formula 1.

10. The method of claim 1 , wherein the guest compound is represented by one selected from the group consisting of Formula 7 and 8 below:

11. The method of claim 1 , further comprising separating a disulfide bond of the guest compound using a reducing agent between operations e) and f).

12. The method of claim 1 , wherein the separating the cellular components is performed by applying a basic aqueous solution to the binding pair in operation f).

13. The method of claim 1 , wherein the separating the cellular components is performed by applying a guest compound aqueous solution to the binding pair in operation f).

14. The method of claim 1 , wherein, in the purification of operation e), a cleaning solution used comprises at least one solvent selected from the group consisting of methanol, trifluoroacetic acid, triethylamine, methylene chloride, chloroform, dimethylformamide, dimethyl sulfoxide, toluene, acetonitrile, xylene, chloro benzene, tetrahydrofuran, diethyl ether, ethanol, diglycol ether, silicon oil, supercritical carbon dioxide, ionic liquid, N-methylpyrrolidine, pyridine, water, ammonium hydroxide, dioxane, chloroform, and any mixtures thereof.

15. The method of claim 1 , wherein, in the purification of operation d), a cleaning solution used comprises at least one selected from the group consisting of tris-hydrochloric acid, sodium chloride, ethylenediaminetetraacetic acid (EDTA), sodium lauryl sulfate (SDS), t-octylphenoxypolyethoxyethanol, octylphenoxy polyethoxyethanol, polysorbate 20, polysorbate 80, polyethylene glycol dodecyl ether, polyethylene glycol hexadecyl ether, octyl-beta-glucoside, O6 guanine transferase (OGT), CHAPS, CHAPSO, sodium oxycholate, phenylmethylsulfonyl fluoride, pyrophosphate, beta-glycerophosphate, sodium fluoride, potassium chloride, and sodium vanadate.

Assignees

• Kim Ki Moon
• Lee Don Wook
• Ryu Sung Ho
• Ha Sang Hoon
• Jung Hyun Tae
• Mainak Banerjee
• Selvapalam Narayanan
• Park Kyeng Min
• Postech Acad Ind Found

Inventors

• Kim Ki Moon
• Lee Don Wook
• Ryu Sung Ho
• Ha Sang Hoon
• Jung Hyun Tae
• Mainak Banerjee
• Selvapalam Narayanan
• Park Kyeng Min

Classifications

• C07K1/22 Primary

  Affinity chromatography or related techniques based upon selective absorption processes · CPC title

• C12N15/10 Primary

  Processes for the isolation, preparation or purification of DNA or RNA (chemical preparation of DNA or RNA C07H21/00; preparation of non-structural polynucleotides from microorganisms or with enzymes C12P19/34) · CPC title