KR102414655B1 - 질환 상태의 백혈구를 검출하거나, 백혈구 관련 질환을 진단하는 장치 또는 방법 - Google Patents
질환 상태의 백혈구를 검출하거나, 백혈구 관련 질환을 진단하는 장치 또는 방법 Download PDFInfo
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Abstract
Description
도 2는 일 구체예에 따른 방법 및 장치의 질환 상태의 백혈구의 검출 원리를 도식화하여 나타낸 도면이다.
도 3은 일 구체예에 따른 백혈구 혈관외유출 인자를 사용하여, 정상 상태의 백혈구와 패혈증 상태의 백혈구가 채널에 부착되는 정도를 나타낸 그래프이다.
도 4는 일 구체예에 따른 백혈구 혈관외유출 인자를 사용하여 채널에 부착된 정상 상태 또는 패혈증 상태의 백혈구를 형광 염색한 결과를 나타낸 이미지이다.
도 5는 일 구체예에 따른 정상 상태 또는 패혈증 상태의 백혈구의 PSGL-1 단백질의 평균 발현량을 나타낸 그래프이다.
도 6은 일 구체예에 따른 정상 상태 또는 패혈증 상태의 백혈구의 (채널에 붙은 백혈구수)/(샘플 총 백혈구수)%를 나타낸 그래프이다.
도 7은 일 구체예에 따른 정상 상태 또는 패혈증 상태의 백혈구의 (채널에 붙은 백혈구수)/(샘플 총 백혈구수)%를 나타낸 결과이다.
도 8은 일 구체예에 따른 백혈구 혈관외유출 인자를 사용하여 채널에 부착된 정상 상태 또는 암 상태의 백혈구를 형광 염색한 결과를 나타낸 이미지이다.
도 9는 일 구체예에 따른 정상 상태 또는 암 상태의 백혈구의 (채널에 붙은 백혈구수)/(샘플 총 백혈구수)%를 나타낸 결과이다.
도 10a는 마우스 종양 모델의 암세포 접종 후 시간별 종양 크기 변화를 나타낸 결과이다.
도 10b는 마우스 종양 모델의 암세포 접종 후 시간별 종양 무게 변화를 나타낸 결과이다.
도 11은 일 구체예에 따른 백혈구 혈관외유출 인자를 사용하여 채널에 부착된 정상 상태 또는 암 상태의 백혈구의 수를 집계한 결과이다.
도 12는 일 구체예에 따른 백혈구 혈관외유출 인자를 사용하여 채널에 부착된 백혈구 중 호중구의 비율을 나타낸 결과이다.
도 13a는 일 구체예에 따른 백혈구 혈관외유출 인자를 사용하여 채널에 부착된 백혈구를 형광현미경으로 이미징한 사진이다.
도 13b는 도 13a와 동일한 채널에 부착된 백혈구를 BF(Bright field) 상에서 현미경으로 이미징한 사진이다.
도 13c는 도 13b의 BF 상에서 현미경으로 이미징한 것을 이용하여 세포 수를 자동으로 계수한 사진(ImageJ, USA)이다.
도 13d는 일 구체예에 따른 백혈구 혈관외유출 인자를 사용하여 채널에 부착된 백혈구를 형광이미지(CT) 및 Bright field(BF) 이미지에서 계수한 것의 차이를 나타낸 그래프이다.
Claims (28)
- 백혈구를 포함하는 분리된 생물학적 시료 또는 상기 생물학적 시료로부터 분리된 백혈구를 백혈구 혈관외유출 인자(leukocyte extravasation factor)와 접촉시켜, 상기 시료 내의 질환 상태의 백혈구가 백혈구 혈관외유출 인자에 포획되어 상기 포획된 백혈구를 검출하는 단계를 포함하는 질환 상태의 백혈구를 검출하는 방법.
- 청구항 1에 있어서, 상기 백혈구 혈관외유출 인자는 채널의 벽면, 입자의 표면, 용기의 적어도 일부분 또는 웰의 적어도 일부분에 고정화된 것인 방법.
- 청구항 1 또는 2에 있어서, 상기 방법은 상기 백혈구를 포함하는 분리된 생물학적 시료 내의 단위 시료 부피당 총 백혈구의 수를 계수하거나, 상기 백혈구를 포함하는 분리된 생물학적 시료 내의 백혈구를 분리하고 이를 계수하는 단계를 포함하는 것인 방법.
- 청구항 3에 있어서, 상기 검출하는 단계는 상기 계수된 단위 시료 부피당 총 백혈구 수 대비 상기 혈관외유출 인자에 의해 포획된 백혈구 수의 비율을 분석하거나, 상기 분리된 백혈구 수 중 상기 혈관외유출 인자에 의해 포획된 백혈구의 수를 분석하는 단계를 포함하는 것인 방법.
- 청구항 1에 있어서, 상기 백혈구 혈관외유출 인자는 셀렉틴(selectins), CD34, ICAM-1(Intercellular Adhesion Molecule-1), 가용성 ICAM-1, ICAM-2, 가용성 ICAM-2, GlyCAM-1(Glycosylation-dependent cell adhesion molecule-1), MadCAM-1(mucosal vascular addressin cell adhesion molecule 1), PECAM-1(platelet/endothelial-cell-adhesion molecule), JAM-A(junctional adhesion molecule A), JAM-B, JAM-C, ESAM(endothelial cell-selective adhesion molecule), VCAM-1(vascular cell-adhesion molecule 1), CD99(cluster of differentiation 99), 인테그린, 이들의 세포외 도메인, 이들을 포함하는 세포, 이들을 포함하는 세포의 멤브래인(membrane), 및 이들의 조합으로 이루어진 군으로부터 선택된 적어도 하나 이상의 인자인 것인 방법.
- 청구항 5에 있어서, 상기 셀렉틴은 P-셀렉틴(P-selectin), E-셀렉틴(E-selectin), 또는 이들의 조합인 것인 방법.
- 청구항 2에 있어서, 상기 백혈구 혈관외유출 인자는 고정화 화합물 또는 링커를 통해 상기 채널, 입자, 용기 또는 웰에 고정화된 것인 방법.
- 청구항 1에 있어서, 상기 질환 상태의 백혈구 또는 백혈구 세포 집단은 정상 상태의 백혈구 또는 백혈구 세포 집단 대비 백혈구 혈관외유출 인자와의 결합능이 증가 또는 감소된 것인 방법.
- 청구항 8에 있어서, 상기 질환 상태의 백혈구는 정상 상태의 백혈구 대비 백혈구 혈관외유출 인자와 결합할 수 있는 인자의 발현 또는 활성이 증가 또는 감소되었거나, 상기 질환 상태의 백혈구 세포 집단은 정상 상태의 백혈구 세포 집단 대비 백혈구 혈관외유출 인자와 결합할 수 있는 인자의 발현 또는 활성이 증가 또는 감소된 것인 방법.
- 청구항 9에 있어서, 상기 백혈구 혈관외유출 인자와 결합할 수 있는 인자는 시알화된 탄수화물(sialylated carbohydrates), L-셀렉틴(L-selectin), PSGL-1(P-selectin glycoprotein ligand 1), LFA-1(Leukocyte function-associated antigen 1), Mac-1(Integrin alpha M; Macrophage-1 antigen), VLA-4, CD24, CD44 및 ESL-1(E-selectin ligand 1)으로 이루어진 군으로부터 선택된 어느 하나 이상인 것인 방법.
- 청구항 1에 있어서, 상기 질환 상태는 염증, 감염성 질환, 면역 질환, 암 또는 암 전이인 것인 방법.
- 청구항 11에 있어서, 상기 감염성 질환은 바이러스, 세균, 곰팡이 또는 진균의 전신성 또는 국부성 감염, 패혈증, 균혈증, 또는 바이러스 혈증인 것인 방법.
- 청구항 1에 있어서, 상기 검출은 포획된 백혈구를 이미징하여 검출하거나, 형광 염색하여 검출하거나, 포획된 백혈구를 용해시켜 분리된 백혈구 용해물(lysate)을 측정하거나, 또는 상기 백혈구 또는 백혈구 혈관외유출 인자에 검출 가능한 표지가 부착되어 검출하는 것인 방법.
- 백혈구를 포함하는 분리된 생물학적 시료 또는 상기 생물학적 시료로부터 분리된 백혈구를 백혈구 혈관외유출 인자와 접촉시켜, 상기 시료 내의 질환 상태의 백혈구가 백혈구 혈관외유출 인자에 포획되어 상기 포획된 백혈구를 검출하는 단계를 포함하는 질환 상태의 백혈구 관련 질환의 진단에 관한 정보를 제공하는 방법.
- 청구항 14에 있어서, 상기 백혈구 혈관외유출 인자는 채널의 벽면, 입자의 표면, 용기의 적어도 일부분 또는 웰의 적어도 일부분에 고정화된 것인 방법.
- 청구항 14에 있어서, 상기 백혈구 혈관외유출 인자는 셀렉틴(selectins), CD34, ICAM-1(Intercellular Adhesion Molecule-1), 가용성 ICAM-1, ICAM-2, 가용성 ICAM-2, GlyCAM-1(Glycosylation-dependent cell adhesion molecule-1), MadCAM-1(mucosal vascular addressin cell adhesion molecule 1), PECAM-1(platelet/endothelial-cell-adhesion molecule), JAM-A(junctional adhesion molecule A), JAM-B, JAM-C, ESAM(endothelial cell-selective adhesion molecule), VCAM-1(vascular cell-adhesion molecule 1), CD99(cluster of differentiation 99), 인테그린, 이들의 세포외 도메인, 이들을 포함하는 세포, 이들을 포함하는 세포의 멤브래인(membrane), 및 이들의 조합으로 이루어진 군으로부터 선택된 적어도 하나 이상의 인자인 것인 방법.
- 청구항 16에 있어서, 상기 셀렉틴은 P-셀렉틴(P-selectin), E-셀렉틴(E-selectin), 또는 이들의 조합인 것인 방법.
- 청구항 14에 있어서, 상기 백혈구 관련 질환은 염증, 감염성 질환, 면역 질환, 암 또는 암 전이인 것인 방법.
- 청구항 18에 있어서, 상기 감염성 질환은 바이러스, 세균, 곰팡이 또는 진균의 전신성 또는 국부성 감염, 패혈증, 균혈증 또는 바이러스 혈증인 것인 방법.
- 채널의 벽면, 입자의 표면, 용기의 적어도 일부분 또는 웰의 적어도 일부분에 백혈구 혈관외유출 인자(leukocyte extravasation factor)가 고정화된 채널, 입자, 용기 또는 웰을 포함하는 질환 상태의 백혈구 검출부를 포함하고,
상기 백혈구 혈관외유출 인자에 의해 분리된 생물학적 시료 내의 질환 상태의 백혈구가 포획되고 검출되는 것인, 질환 상태의 백혈구를 검출하거나, 백혈구 관련 질환을 진단하는 장치. - 청구항 20에 있어서, 상기 백혈구 혈관외유출 인자는 셀렉틴(selectins), CD34, ICAM-1(Intercellular Adhesion Molecule-1), 가용성 ICAM-1, ICAM-2, 가용성 ICAM-2, GlyCAM-1(Glycosylation-dependent cell adhesion molecule-1), MadCAM-1(mucosal vascular addressin cell adhesion molecule 1), PECAM-1(platelet/endothelial-cell-adhesion molecule), JAM-A(junctional adhesion molecule A), JAM-B, JAM-C, ESAM(endothelial cell-selective adhesion molecule), VCAM-1(vascular cell-adhesion molecule 1), CD99(cluster of differentiation 99), 인테그린, 이들 중에서 1종 이상을 포함하는 세포 및 세포의 멤브레인(membrane), 이들의 세포외 도메인 및 이들의 조합으로 이루어진 군으로부터 선택된 적어도 하나 이상의 인자인 것인 장치.
- 청구항 21에 있어서, 상기 셀렉틴은 P-셀렉틴(P-selectin), E-셀렉틴(E-selectin), 또는 이들의 조합인 것인 장치.
- 청구항 20에 있어서, 상기 질환 상태의 백혈구 또는 백혈구 세포 집단은 정상 상태의 백혈구 또는 백혈구 세포 집단 대비 백혈구 혈관외유출 인자와의 결합능이 증가 또는 감소된 것인 장치.
- 청구항 23에 있어서, 상기 질환 상태의 백혈구는 정상 상태의 백혈구 대비 백혈구 혈관외유출 인자와 결합할 수 있는 인자의 발현 또는 활성이 증가 또는 감소되었거나, 상기 질환 상태의 백혈구 세포 집단은 정상 상태의 백혈구 세포 집단 대비 백혈구 혈관외유출 인자와 결합할 수 있는 인자의 발현 또는 활성이 증가 또는 감소된 것인 장치.
- 청구항 24에 있어서, 상기 백혈구 혈관외유출 인자와 결합할 수 있는 인자는 시알화된 탄수화물(sialylated carbohydrates), L-셀렉틴(L-selectin), PSGL-1(P-selectin glycoprotein ligand 1), LFA-1(Lymphocyte function-associated antigen 1), Mac-1(Integrin alpha M; Macrophage-1 antigen), VLA-4, CD24, CD44 및 ESL-1(E-selectin ligand 1)로 이루어진 군으로부터 선택된 어느 하나 이상인 것인 장치.
- 청구항 20에 있어서, 상기 질환 상태 또는 백혈구 관련 질환은 염증, 감염성 질환, 면역 질환, 대사 질환, 암 또는 암 전이인 것인 장치.
- 청구항 26에 있어서, 상기 감염성 질환은 바이러스, 세균, 곰팡이 또는 진균의 전신성 또는 국부성 감염, 패혈증, 균혈증, 또는 바이러스 혈증인 것인 장치.
- 청구항 20에 있어서, 상기 검출은 포획된 백혈구를 이미징하여 검출하거나, 형광 염색하여 검출하거나, 포획된 백혈구를 용해시켜 분리된 백혈구 용해물(lysate)을 측정하거나, 또는 상기 백혈구 또는 백혈구 혈관외유출 인자에 검출 가능한 표지가 부착되어 검출하는 것인 장치.
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