KR20000060807A - 혈장 지질단백질의 콜레스테롤 측정장치 및 그 방법 - Google Patents
혈장 지질단백질의 콜레스테롤 측정장치 및 그 방법 Download PDFInfo
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- KR20000060807A KR20000060807A KR1019990009427A KR19990009427A KR20000060807A KR 20000060807 A KR20000060807 A KR 20000060807A KR 1019990009427 A KR1019990009427 A KR 1019990009427A KR 19990009427 A KR19990009427 A KR 19990009427A KR 20000060807 A KR20000060807 A KR 20000060807A
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- cholesterol
- pad member
- lipoprotein
- antibody
- plasma
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- JJGWLCLUQNFDIS-GTSONSFRSA-M sodium;1-[6-[5-[(3as,4s,6ar)-2-oxo-1,3,3a,4,6,6a-hexahydrothieno[3,4-d]imidazol-4-yl]pentanoylamino]hexanoyloxy]-2,5-dioxopyrrolidine-3-sulfonate Chemical compound [Na+].O=C1C(S(=O)(=O)[O-])CC(=O)N1OC(=O)CCCCCNC(=O)CCCC[C@H]1[C@H]2NC(=O)N[C@H]2CS1 JJGWLCLUQNFDIS-GTSONSFRSA-M 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
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Abstract
Description
지질단백질 분류 | 밀도(g/mL) | 직경(nm) | 조성(% 건조 중량) | |||
단백질 | 콜레스테롤 | 인산지방질 | 트리아실글리세롤 | |||
HDL | 1.0631.210 | 5-15 | 33 | 30 | 29 | 8 |
LDL | 1.0191.063 | 18-28 | 25 | 50 | 21 | 4 |
(IDL) | 1.0061.019 | 25-50 | 18 | 29 | 22 | 31 |
VLDL | 0.9501.006 | 30-80 | 10 | 22 | 18 | 50 |
결손단백질 | 분자량 | 혈장농도 (mg/100mL) | 분포 |
A-Ⅰ | 28,300 | 90-120 | HDL |
A-Ⅱ | 8,700 | 30-50 | HDL |
B-100 | 500,000 | 80-100 | LDL, VLDL |
C-Ⅰ | 7,000 | 4-7 | VLDL, HDL |
C-Ⅱ | 8,800 | 3-8 | VLDL, HDL |
C-Ⅲ | 8,800 | 8-15 | VLDL, HDL |
D | 32,500 | 8-10 | HDL |
E | 34,100 | 3-6 | VLDL, HDL |
효소분해패드 구성성분 | 최적조건 | 각 성분의 기능 |
패드 소재 | 셀루로우즈 멤브레인, 5x10 mm (Whatman Qualitative #1) | 고정화 모체 |
콜레스테롤 분해효소 (CE와 CO) | 5 mg/mL 총 효소 6 μL (CE:CO의 무게비로 1:2 혹은 unit 비율로 1:5) | 콜레스테롤과 그 에스테르 유도체의 효소 분해 |
계면활성제(염소산나트륨) | 5% (무게/부피) sodium cholate 6 μL | 지질단백질 입자 파괴 |
발색물질 (DAB) | 25 mg/mL DAB 1 μL | 효소 HRP의 발색기질 |
발색 보조물질(Metals,Co와 Ni) | 2% 금속물질 (Co와 Ni)2.5 μL (동일 무게비) | 산화된 DAB의 발화제 |
Claims (17)
- 콜레스테롤 측정장치에 있어서,선택된 항원에 대해 특이하게 부착하여 반응하는 항체를 통해 특정 혈장 지질단백질들을 선택적으로 포획하여 상호 분리한 후, 포획되지 않고 분리된 특정 단일 지질단백질의 콜레스테롤 농도에 비례하는 발색신호를 효소학적으로 발생시켜 혈장 지질단백질의 콜레스테롤 농도를 개략적으로 정량할 수 있도록 하는 측정수단(1)이 구비된 것을 특징으로 하는 혈장 지질단백질의 콜레스테롤 측정장치.
- 제1항에 있어서 측정수단(1)은,특정 단일 지질단백질을 선택적으로 투과시켜 분리하도록, 포획될 지질단백질 입자상의 결손단백질에 특이한 항체가 도포되는 항체패드부재(100)와;상기 항체패드부재(100)에서 포획되지 않고 투과하여 분리된 특정 단일 지질단백질을 파괴하여 방출된 콜레스테롤을 분해함과 아울러 신호발생에 필요한 발색물질을 제공하는 효소분해패드부재(200)와;상기 효소분해패드부재(200)에서 제공된 분해 생성물 그리고 발색물질과 반응하여 콜레스테롤 농도에 비례하여 발색의 세기를 표시하는 신호발생패드부재(300)와;도하는 흡수패드부재(400)로 구성된 것을 특징으로 하는 혈장 지질단백질의 콜레스테롤 측정장치.
- 제1항에 있어서 측정수단(1)은,항체-streptavidin 중합체와 반응하여 흡수된 시료에서 특정 지질단백질을 면역포획하는 비오틴 패드부재(100')와;상기 비오틴 패드부재(100')에서 포획되지 않고 투과하여 분리된 특정 단일 지질단백질을 파괴하여 방출된 콜레스테롤을 분해함과 아울러 신호발생에 필요한 발색물질을 제공하는 효소분해패드부재(200)와;상기 효소분해패드부재(200)에서 제공된 분해 생성물과 발색물질에 반응하여 콜레스테롤 농도에 비례하여 발색의 세기를 표시하는 신호발생패드부재(300)와;상기 패드부재(100',200,300)에 일련된 시료운반을 위해 용액의 지속적인 흐름을 유도하는 흡수패드부재(400)로 구성된 것을 특징으로 하는 혈장 지질단백질의 콜레스테롤 측정장치.
- 제2항에 있어서 항체패드부재(100)는,저밀도 지질단백질(LDL) 및 초저밀도 지질단백질(VLDL) 입자 표면에 존재하는 결손단백질 B100에 특이한 항체가 니트로셀루로우즈 멤브레인 표면에 고르게 도포되어 고정화되는 것을 특징으로 하는 혈장 지질단백질의 콜레스테롤 측정장치.
- 제2항에 있어서 항체패드부재(100)는,고밀도 지질단백질(HDL) 및 초저밀도 지질단백질(VLDL) 입자 표면에 존재하는 결손단백질 C 또는 E에 특이한 항체가 니트로셀루로우즈 멤브레인 표면에 고르게 도포되어 고정화되는 것을 특징으로 하는 혈장 지질단백질의 콜레스테롤 측정장치.
- 제2항 또는 제3항에 있어서 효소분해패드부재(200)는,분리된 지질단백질 입자를 파괴하여 콜레스테롤 및 그 에스테르 유도체를 방출하는 계면활성제와, 상기 계면활성제에 의해 방출된 콜레스테롤 에스테르 유도체(cholesteryl ester)를 효소분해하여 콜레스테롤을 생성시키는 cholesterol esterase(CE)와, 상기 cholesterol esterase(CE)에 의해 분해된 콜레스테롤을 효소분해하여 과산화수소를 발생시키는 cholesterol oxidase(CO)와, 상기 cholesterol oxidase(CO)에 의해 발생된 과산화수소와 결합하여 발색의 세기를 표시하는 발색기질이 셀루로우즈 멤브레인 상에 건조상태로 일련되게 도포되는 것을 특징으로 하는 혈장 지질단백질의 콜레스테롤 측정장치.
- 제2항 또는 제3항에 있어서 신호발생패드부재(300)는,상기 효소분해패드부재(200)에서 발생된 과산화수소 및 발색기질과 반응하여 발색신호를 형성하는 HRP가 니트로셀루로우즈 멤브레인의 일정 위치에 도포되어 고정화되는 것을 특징으로 하는 혈장 지질단백질의 콜레스테롤 측정장치.
- 제2항 또는 제3항에 있어서 각 패드부재(100', 100, 200, 300, 400)는,세공크기가 0.1-20 μm에서 셀루로우즈, 니트로셀루로우즈, 나일론, 유리섬유 또는 PVDF로 형성된 것을 특징으로 하는 혈장 지질단백질의 콜레스테롤 측정장치.
- 제2항 또는 제4항 또는 제5항에 있어서 항체패드부재(100)는,멤브레인을 메탄올로 전처리하고 0.1-10 mg/mL 항체를 첨가하여 물리흡착시킨 후 잔여표면은 BSA와 같은 비반응성 단백질로 처리하거나, 혹은 멤브레인을 0.1-1% glutaraldehyde 용액에 1시간 동안 담가 처리하여 세척하고 공기건조시킨 후 0.1-10 mg/mL poly-lysine을 고정화하고, NaIO4(최종 농도 10-100 mmol/L)로 활성화된 항체분자를 가하여 반응시킨 후 상기 멤브레인을 2% (w/v) BSA와 NaCNBH3(최종 농도 1-10 mmol/L)가 포함된 용액에 담가 반응시키고, 0.05-0.5% tween-20이 포함된 tris 완충용액 (pH 7.6)으로 씻어 낸 후 건조되어 제조되는 것을 특징으로 하는 혈장 지질단백질의 콜레스테롤 측정장치.
- 제2항 또는 제3항 또는 제6항에 있어서 효소분해패드부재(200)는,메탄올에 전처리된 셀루로우즈 멤브레인에 1-10% sodium cholate 용액을 첨가하여 건조시키고 총 1-25 mg/mL CE와 CO의 혼합액을 가하여 축적하고 5-50 mg/mL DAB 용액과 발색 강화제로 선택된 0.5-5% NiCl2와 CoCl2의 혼합용액을 패드의 상부에 각각 첨가하여 제조되는 것을 특징으로 하는 혈장 지질단백질의 콜레스테롤 측정장치.
- 제2항 또는제3항 또는 제7항에 있어서 신호발생패드부재(300)는,메탄올에 전처리된 니트로셀루로우즈 멤브레인(20 μm 세공크기, 5x20 mm)을 인산완충식염수(PBS)로 3번 세척한 후 1시간 동안 상온에서 건조하고, 멤브레인 스트립 하단으로부터 5-15 mm 되는 부위에 인산완충식염수(PBS)를 이용하여 제조된 100-1000 units/mL HRP 용액을 1.5 μL 흡수시킨 후 공기 중에서 건조하여 제조되는 것을 특징으로 하는 혈장 지질단백질의 콜레스테롤 측정장치.
- 제2항 또는 제3항에 있어서 흡수패드부재(400)는,모세관현상에 의해 유발되는 용액의 흐름을 계속 유지시키기 위해 셀루로우즈 멤브레인(3MM 등 크로마토그라피 급, 5x30 mm)이 사용되는 것을 특징으로 하는 혈장 지질단백질의 콜레스테롤 측정장치.
- 제3항에 있어서 항체-streptavidin 중합체는,SMCC와 같은 maleimide 유도물질을 이용하여 활성화된 항체와 SPDP 등 sulfhydryl 유도물질에 의해 활성화된 streptavidin을 그 몰비가 1:1-1:10 이 되도록 반응시켜 제조되는 것을 특징으로 하는 혈장 지질단백질의 콜레스테롤 측정장치.
- 제3항에 있어서 비오틴 패드부재(100')는;BSA와 10-100배 과잉 몰농도의 NHS-LC-biotin을 반응시키고 정제된 중합체를 0.1-1% glutaraldehyde로 처리된 니트로셀루로우즈 멤브레인 상에 가하여 제조되는 것을 특징으로 하는 혈장 지질단백질의 콜레스테롤 측정장치.
- 혈장 지질단백질의 콜레스테롤 측정방법에 있어서,선택된 항원에 대해 특이하게 부착하여 반응하는 항체를 통해 특정 혈장 지질단백질들을 선택적으로 포획하여 상호 분리한 후, 포획되지 않고 분리된 특정 단일 지질단백질의 콜레스테롤 농도에 비례하는 발색신호를 효소학적으로 발생시켜 혈장 지질단백질의 콜레스테롤 농도를 개략적으로 정량할 수 있도록 하는 것을 특징으로 하는 혈장 지질단백질의 콜레스테롤 측정장치.
- 제15항에 있어서,선택된 항원에 대해 특이하게 반응하여 부착하는 항체를 통해 지질단백질을 선택적으로 포획하여 상기 항체에 반응하지 않는 특정 단일 지질단백질을 분리하는 면역분리단계(ST10)와;상기 면역분리단계(ST10)에서 분리된 지질단백질을 파괴하여 방출된 콜레스테롤을 효소분해하여 상기 콜레스테롤의 농도에 비례한 화합물을 생성하는 효소분해단계(ST20)와;상기 효소분해단계(ST20)에서 생성된 화합물에 반응하여 콜레스테롤 농도 비율에 따라 발색신호를 시각적으로 표시하는 신호표시단계(ST30)로 구성된 것을 특징으로 하는 혈장 지질단백질의 콜레스테롤 측정방법.
- 제15항에 있어서,혈장 지질단백질 혼합시료와 항체-streptavidin 중합체를 5-30분 반응시킨 후 비오틴 패드부재에 흡수시켜 특정단백질을 선택적으로 포획함으로서 포획되지 않은 특정 단일 지질단백질을 분리하는 면역분리단계(ST10)와;상기 면역분리단계(ST10)에서 분리된 지질단백질을 파괴하여 방출된 콜레스테롤을 효소분해하여 상기 콜레스테롤의 농도에 비례한 화합물을 생성하는 효소분해단계(ST20)와;상기 효소분해단계(ST20)에서 생성된 화합물에 반응하여 콜레스테롤 농도 비율에 따라 발색신호를 시각적으로 표시하는 신호표시단계(ST30)로 구성된 것을 특징으로 하는 혈장 지질단백질의 콜레스테롤 측정방법.
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