KR102344385B1 - 간암 진단용 조성물 및 이를 포함하는 키트 - Google Patents
간암 진단용 조성물 및 이를 포함하는 키트 Download PDFInfo
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- KR102344385B1 KR102344385B1 KR1020200049161A KR20200049161A KR102344385B1 KR 102344385 B1 KR102344385 B1 KR 102344385B1 KR 1020200049161 A KR1020200049161 A KR 1020200049161A KR 20200049161 A KR20200049161 A KR 20200049161A KR 102344385 B1 KR102344385 B1 KR 102344385B1
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- liver cancer
- methionine
- ornithine
- octanoylcarnitine
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Abstract
Description
도 2는 실험 디자인과 트레이닝 세트 및 테스트 세트에 대한 설명이다. 여기서, HCC는 hepatocellular carcinoma; LC는 liver cirrhosis; NC는 normal control, LC-MS는 liquid chromatography-mass spectrometry; GC-MS는 gas chromatography-mass spectrometry이다.
도 3은 트레이닝 세트에서 초기 간암(HCC)의 진단에 위한 잠재적인 대사체 바이오마커를 확인한 것이고, 3a는 score plot of unsupervised multivariate analysis(PCA)결과이고, 3b는 score plot of supervised multivariate analysis (PLS-DA)결과이다.
도 4는 각 대사체 바이오마커의 농도를 정상대조군, 간경변 환자, 간암 환자 별로 비교한 것이다. 여기서, NC, LC 및 HCC는 트레이닝 세트에 속하고, V-LC 및 V-HCC는 테스트 세트에 속한다.
도 5는 본 발명의 대사체 바이오마커가 로지스틱 회귀 모델(logistic regression model)을 사용하여 간경변과 간암을 구별하는 것을 평가한 ROC 커브를 나타낸다.
도 6은 간암에서 대사체 바이오마커의 경로 농축 분석(Pathway enrichment anaylysis) 결과이다.
도 7은 간암에서 대사체 바이오마커의 경로 농축 개요를 나타낸다.
Claims (14)
- 메티오닌에 특이적으로 결합하거나 반응하는 물질; 오르니틴에 특이적으로 결합하거나 반응하는 물질; 및 파이메릴카르니틴 또는 옥타노일카르니틴에 특이적으로 결합하거나 반응하는 물질을 포함하는 간암 진단용 조성물.
- 청구항 1에 있어서, 프롤린에 특이적으로 결합하거나 반응하는 물질을 더 포함하는, 조성물.
- 메티오닌; 오르니틴; 및 파이메릴카르니틴 또는 옥타노일카르니틴의 농도 정량수단을 포함하는 간암 진단용 키트.
- 청구항 3에 있어서, 프롤린의 농도 정량수단을 더 포함하는 간암 진단용 키트.
- 진단대상으로부터 분리된 시료 내의 메티오닌 및 오르니틴의 농도를 측정하는 단계; 및
상기 측정된 농도를 하기 수학식 1에 대입하여 간암 발병 지수를 계산하는 단계를 포함하는, 간암 진단을 위한 정보제공방법:
[수학식 1]
Logit [P]= EXP(-3.495 + 0.038*[Methionine] + 0.015*[Ornithine]) / 1 + EXP(-3.495 + 0.038*[Methionine] + 0.015*[Ornithine])
(식 중, [Methionine] 및 [Ornithine]은 각각의 혈청 농도이다).
- 청구항 5에 있어서, 상기 메티오닌 및 오르니틴의 농도가 정상 대조군 보다 높으면 정상 대조군 대비 간암 발병 확률이 높다고 판단하는, 방법.
- 삭제
- 청구항 5에 있어서, 상기 수학식 1의 값이 간경변 환자의 값보다 큰 경우 간암이 발병되었다고 판단하는 단계를 더 포함하는, 방법.
- 청구항 5에 있어서, 상기 수학식 1의 값이 0.48 이상인 경우 간암이 발병되었다고 판단하는 단계를 더 포함하는, 방법.
- 진단대상으로부터 분리된 시료 내의 메티오닌; 오르니틴; 및 파이메릴카르니틴 또는 옥타노일카르니틴의 농도를 측정하는 단계를 포함하는 간암 진단을 위한 정보제공방법.
- 청구항 10에 있어서, 상기 파이메릴카르니틴 또는 옥타노일카르니틴 농도가 정상 대조군 보다 낮으면 정상 대조군 대비 간암 발병 확률이 높다고 판단하는, 방법.
- 청구항 10에 있어서, 상기 측정하는 단계에서 상기 시료 내의 프롤린의 농도도 측정하고, 상기 측정된 농도를 하기 수학식 2에 대입하여 간암 발병 지수를 계산하는 단계를 더 포함하는, 방법:
[수학식 2]
Logit [P]= EXP(-1.716 + 0.035*[Methionine] + 0.002*[Proline] + 0.009*[Ornithine] + 24.584*[Pimelylcarnitine] - 14.088*[Octanoylcarnitine]) / 1 + EXP(-1.716 + 0.035*[Methionine] + 0.002*[Proline] + 0.009*[Ornithine] + 24.584*[Pimelylcarnitine] - 14.088*[Octanoylcarnitine])
(식 중, [Methionine], [Ornithine], [Proline], [Pimelylcarnitine] 및 [Octanoylcarnitine]은 각각의 혈청 농도이다)
- 청구항 12에 있어서, 상기 수학식 2의 값이 간경변 환자의 값보다 큰 경우 간암이 발병되었다고 판단하는 단계를 더 포함하는, 방법.
- 청구항 12에 있어서, 상기 수학식 2의 값이 0.49 이상인 경우 간암이 발병되었다고 판단하는 단계를 더 포함하는, 방법.
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