KR101580051B1 - 양친성 고분자 - Google Patents
양친성 고분자 Download PDFInfo
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- KR101580051B1 KR101580051B1 KR1020140099708A KR20140099708A KR101580051B1 KR 101580051 B1 KR101580051 B1 KR 101580051B1 KR 1020140099708 A KR1020140099708 A KR 1020140099708A KR 20140099708 A KR20140099708 A KR 20140099708A KR 101580051 B1 KR101580051 B1 KR 101580051B1
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- QOSSAOTZNIDXMA-UHFFFAOYSA-N Dicylcohexylcarbodiimide Chemical compound C1CCCCC1N=C=NC1CCCCC1 QOSSAOTZNIDXMA-UHFFFAOYSA-N 0.000 claims description 16
- WHUUTDBJXJRKMK-UHFFFAOYSA-N Glutamic acid Natural products OC(=O)C(N)CCC(O)=O WHUUTDBJXJRKMK-UHFFFAOYSA-N 0.000 claims description 16
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- OBYNJKLOYWCXEP-UHFFFAOYSA-N 2-[3-(dimethylamino)-6-dimethylazaniumylidenexanthen-9-yl]-4-isothiocyanatobenzoate Chemical compound C=12C=CC(=[N+](C)C)C=C2OC2=CC(N(C)C)=CC=C2C=1C1=CC(N=C=S)=CC=C1C([O-])=O OBYNJKLOYWCXEP-UHFFFAOYSA-N 0.000 claims description 5
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- MSWZFWKMSRAUBD-IVMDWMLBSA-N 2-amino-2-deoxy-D-glucopyranose Chemical compound N[C@H]1C(O)O[C@H](CO)[C@@H](O)[C@@H]1O MSWZFWKMSRAUBD-IVMDWMLBSA-N 0.000 description 4
- NLEBIOOXCVAHBD-QKMCSOCLSA-N dodecyl beta-D-maltoside Chemical compound O[C@@H]1[C@@H](O)[C@H](OCCCCCCCCCCCC)O[C@H](CO)[C@H]1O[C@@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](CO)O1 NLEBIOOXCVAHBD-QKMCSOCLSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- IOQPZZOEVPZRBK-UHFFFAOYSA-N octan-1-amine Chemical compound CCCCCCCCN IOQPZZOEVPZRBK-UHFFFAOYSA-N 0.000 description 4
- HEGSGKPQLMEBJL-RKQHYHRCSA-N octyl beta-D-glucopyranoside Chemical compound CCCCCCCCO[C@@H]1O[C@H](CO)[C@@H](O)[C@H](O)[C@H]1O HEGSGKPQLMEBJL-RKQHYHRCSA-N 0.000 description 4
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- PAFZNILMFXTMIY-UHFFFAOYSA-N cyclohexylamine Chemical compound NC1CCCCC1 PAFZNILMFXTMIY-UHFFFAOYSA-N 0.000 description 2
- 239000002547 new drug Substances 0.000 description 2
- 125000002347 octyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 2
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- GVEPBJHOBDJJJI-UHFFFAOYSA-N fluoranthrene Natural products C1=CC(C2=CC=CC=C22)=C3C2=CC=CC3=C1 GVEPBJHOBDJJJI-UHFFFAOYSA-N 0.000 description 1
- 238000001215 fluorescent labelling Methods 0.000 description 1
- 125000002791 glucosyl group Chemical group C1([C@H](O)[C@@H](O)[C@H](O)[C@H](O1)CO)* 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
- C08G69/48—Polymers modified by chemical after-treatment
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- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K17/00—Carrier-bound or immobilised peptides; Preparation thereof
- C07K17/02—Peptides being immobilised on, or in, an organic carrier
- C07K17/08—Peptides being immobilised on, or in, an organic carrier the carrier being a synthetic polymer
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- A61K47/00—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
- A61K47/50—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates
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- C08G69/02—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids
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Abstract
Description
도 2는 양친성 고분자에 의한 막 단백질의 안정화 과정을 개략적으로 도시한 것이다.
도 3은 실시예 1-1의 양친성 고분자, SDS 및 β-D-octylglucoside의 CMC 분석 결과를 나타낸 것이다.
도 4는 ETA를 계면활성제인 sarkosyl(검은선), DDM(푸른선), 그리고 실시예 1-1의 양친성 고분자(붉은선)를 사용하여 정제하였을 때, size exclusion chromatography를 이용하여 크기를 분석한 결과를 나타낸 것이다.
도 5는 Bacteriorhodopsin(BR)이 약한 계면활성제인 β-D-옥틸 글루코시드에 의해 안정화된 활성 구조를 갖는 경우(푸른색), 강한 계면활성제인 SDS에 의해 변성된 경우(검은색), 본 발명의 일 구현예에 따른 양친성 고분자에 의해 활성 구조를 되찾은 경우(붉은색)의 가시광 흡수 스펙트럼을 나타낸 것이다.
도 6은 양친성 고분자를 이용하여 막 단백질을 기판에 고정하는 과정을 개략적으로 도시한 것이다.
Claims (15)
- 청구항 1에 있어서, 상기 형광 염료는 싸이3(Cy3), 싸이5(Cy5), 플루오레세인 아이소티오시안산염(FITC), 테트라메틸로다민 아이소티오시안산염(RITC), 알렉사(Alexa), 4,4,-다이플루오로-4-보로-3a,4a-다이아자-s-인다센(BODIPY) 및 텍사스 레드(Texas Red)로 이루어진 군에서 선택된 1종 이상인, 양친성 고분자.
- 청구항 1에 있어서, 상기 친수성 아민은 히드록시기 또는 아미노기로 치환된, 탄소수 1 내지 10의 알킬아민 또는 탄소수 5 내지 20의 시클로알킬아민인, 양친성 고분자.
- 청구항 1에 있어서, 상기 소수성 아민은 탄소수 1 내지 10의 알킬아민 또는 탄소수 5 내지 20의 시클로알킬아민인, 양친성 고분자.
- 청구항 1에 있어서, 친수성 아민 유래 구조와 소수성 아민 유래 구조의 몰비는 1:9 내지 9:1인, 양친성 고분자.
- 청구항 1에 있어서, 중량평균분자량이 5,000 내지 50,000인, 양친성 고분자.
- 폴리감마글루탐산을 카르복시기를 갖는 형광염료, 비오틴, 탄소수 1 내지 10의 알킬카르복시산 또는 탄소수 5 내지 20의 시클로알킬 카르복시산과 DCC(dicyclo-hexylcarbodiimide)와의 반응 생성물과 반응시키는 단계; 및
상기 반응을 거친 폴리감마글루탐산을 DCC와 반응시킨 후, 친수성 아민 및 소수성 아민과 반응시키는 단계를 포함하는, 하기 화학식 1로 표시되는 양친성 고분자의 제조 방법:
[화학식 1]
(식 중, R1은 형광염료, 비오틴기 또는 탄소수 1 내지 10의 알킬 또는 탄소수 5 내지 20의 시클로알킬 카르보닐기이고;
R2, R3, R4 및 R5는 서로 독립적으로 히드록시기, 또는 친수성 또는 소수성 아민으로부터 유래하는 구조이며,
R3는 서로 동일하거나 상이한 구조로서, 반복되는 R3 중 1개 이상은 친수성 아민으로부터 유래하는 구조이고, 1개 이상은 소수성 아민으로부터 유래하는 구조이며;
n은 1 내지 1,000의 정수임).
- 청구항 7에 있어서, 상기 형광 염료는 싸이3(Cy3), 싸이5(Cy5), 플루오레세인 아이소티오시안산염(FITC), 테트라메틸로다민 아이소티오시안산염(RITC), 알렉사(Alexa), 4,4,-다이플루오로-4-보로-3a,4a-다이아자-s-인다센(BODIPY) 및 텍사스 레드(Texas Red)로 이루어진 군에서 선택된 1종 이상인, 양친성 고분자의 제조 방법.
- 청구항 7에 있어서, 상기 친수성 아민은 히드록시기 또는 아미노기로 치환된, 탄소수 1 내지 10의 알킬아민 또는 탄소수 5 내지 20의 시클로알킬아민인, 양친성 고분자의 제조 방법.
- 청구항 7에 있어서, 상기 소수성 아민은 탄소수 1 내지 10의 알킬아민 또는 탄소수 5 내지 20의 시클로알킬아민인, 양친성 고분자의 제조 방법.
- 수용액 내의 막 단백질을 청구항 1 내지 6 중 어느 한 항의 양친성 고분자와 결합시켜 막 단백질-양친성 고분자 복합체를 형성하는, 막 단백질의 안정화 방법.
- 청구항 11에 있어서, 상기 양친성 고분자의 소수성 아민 유래 구조가 막 단백질의 소수성 표면과 소수성 상호작용하고, 친수성 아민 유래 구조가 막 단백질의 수용액에 대한 용해도를 증가시키는, 막 단백질의 안정화 방법.
- 변성된 막 단백질에 청구항 1 내지 6 중 어느 한 항의 양친성 고분자를 가하는, 막 단백질의 구조 복원 방법.
- 청구항 14에 있어서, 상기 변성은 막 단백질에 계면활성제를 가하여 유발된 것인, 막 단백질의 구조 복원 방법.
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