KR102103885B1 - 생물학적 시료의 간 조직 유래 여부를 판별하는 방법 - Google Patents
생물학적 시료의 간 조직 유래 여부를 판별하는 방법 Download PDFInfo
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- KR102103885B1 KR102103885B1 KR1020190124549A KR20190124549A KR102103885B1 KR 102103885 B1 KR102103885 B1 KR 102103885B1 KR 1020190124549 A KR1020190124549 A KR 1020190124549A KR 20190124549 A KR20190124549 A KR 20190124549A KR 102103885 B1 KR102103885 B1 KR 102103885B1
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- liver tissue
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Abstract
Description
도 2는 발굴한 간 조직 특이적 마커의 변수 중요도 플랏(variable importance plot, VarImp Plot)을 나타낸다.
도 3은 발굴한 간 조직 특이적 마커의 수에 따른 성능을 확인한 결과를 나타낸다.
도 4에서 A는 최종 선별한 cg12137206, cg03792768 마커의 메틸화 수준을 정상 간 조직(Liver N) 및 간암 조직(Liver T)에서 확인한 결과, B는 간암 샘플의 정상 간 조직(LIHC_N)과 간암 조직(LIHC_T), 간을 제외한 기타 정상 조직(Pan_N) 및 암 조직 (Pan_T)에서 확인한 결과를 나타낸다.
도 5는 cg12137206 마커의 메틸화 수준을 다양한 정상 조직(A)과 암 조직(B)에서 확인한 결과를 나타낸다.
도 6은 cg03792768 마커의 메틸화 수준을 다양한 정상 조직(A)과 암 조직(B)에서 확인한 결과를 나타낸다.
도 7은 cg12137206 및 cg03792768 마커의 메틸화 수준을 주요 정상 조직과 암 조직에서 확인한 결과를 나타낸다: 방광 (bladder, BL), 유방(breast, BR), 자궁 경부 (cervis, CE), 대장(colon, CO), 식도 (esophagus, ES), 교모세포종 (glioblastoma, GB), 두부 및 경부 (head and neck, HN), 신장(kidney, KI), 간(liver, LI), 폐(lung, LU), 이자 (pancreas, PA), 부신경절종 (paraganglioma, PC), 전립선 (prostate, PR), 직장 (rectum, RE), 육종 (sarcoma, SA), 피부 (skin, SK), 위 (stomach, ST), 흉선 (thymus, TH), 자궁 (uterine, UC) 및 혈액(blood, B).
| 유형 | 기타 조직 | 간 조직 | |
| 훈련 데이터 | 기타 조직 | 6345 | 3 |
| 간 조직 | 7 | 337 | |
| 검증 데이터 | 기타 조직 | 1586 | 1 |
| 간 조직 | 1 | 85 |
| 1개 | 2개 | 3개 | 4개 | 5개 | 6개 | |
| Accuracy | 0.9916 | 0.9976 | 0.99736 | 0.99784 | 0.99796 | 0.9982 |
| Kappa | 0.9142 | 0.97526 | 0.97264 | 0.97762 | 0.97886 | 0.98142 |
| Sensitivity | 0.923036 | 0.969686 | 0.965034 | 0.96963 | 0.971954 | 0.976718 |
| Specificity | 0.995338 | 0.999118 | 0.999118 | 0.99937 | 0.99937 | 0.999362 |
| Pos Pred Value | 0.915048 | 0.983764 | 0.983764 | 0.988172 | 0.988318 | 0.988428 |
| Neg Pred Value | 0.995844 | 0.998364 | 0.998112 | 0.998364 | 0.99849 | 0.998742 |
| Balanced Accuracy | 0.959188 | 0.984402 | 0.982078 | 0.9845 | 0.985664 | 0.988048 |
| 유형 | 기타 조직 | 간 조직 | |
| 훈련 데이터 | 기타 조직 | 6340 | 8 |
| 간 조직 | 11 | 333 | |
| 검증 데이터 | 기타 조직 | 1587 | 3 |
| 간 조직 | 0 | 82 |
| Probe_ID | CGRC_ID | Gene_ID | chr | start | end | CGI | CGI_loci |
| cg12137206 | CGRC_LTO.1 | GPAM | chr10 | 113943397 | 113943398 | chr10:113943283-113943657 | pCGI |
| cg03792768 | CGRC_LTO.2 | BDH1 | chr3 | 197281934 | 197281935 | chr3:197281605-197283128 | pCGI |
| Probe_ID | 서열 |
| cg12137206 | GGGGACACGACTGCCCCAGCAACTTGCAGGAGTCGCACCACCTCCATGCACTTGTCCCGG[CG]CTCCCGGCCCGAGTAGCCTCCCGCAGCCCACACCTGCCCTGGCAGTTCGCACCCTAGCAG (서열번호 1) |
| cg03792768 | TTCCCATTGGTTGAGACAGCACCGCCCAGCCAAAGCCCCCTTGTCCTCGCGCGGGTGCGC[CG]CCTGGACTCCCACCCTGGCCAGTCCCGGGCCCACCACCACTCTGGCATCCCCAGCCTGTC (서열번호 2) |
| 조직 | 샘플수 | 정확도_N | 정확도_T | ||
| 혈액 (whole blood, B) |
KNIH | 400 | 1 | NA | |
| GEO_WBset | 107 | 1 | NA | ||
| 간 종양 형성 (liver tumorigenesis) | GSE48325 | 79 | 1 | NA | |
| GSE49542 | 59 | 1 | NA | ||
| 간세포암 (HCC) |
GSE43091 | 54 | 1 | 0.94 | |
| GSE54503 | 132 | 1 | 0.9851 | ||
| GSE56588 | 234 | 1 | 0.9872 | ||
| GSE60753 | 66 | 0.9412 | 0.9375 | ||
| TCGA_LIHC | 379 | 1 | 0.9921 | ||
| CGRC_HCC | 307 | 1 | 0.9835 | ||
| TCGA_CHOL | 45 | 1 | 0.5278 | ||
| 다른 조직 | CGRC_CRC | 709 | 1 | 1 | |
| CGRC_lung | 42 | NA | 1 | ||
| 조직 | TCGA | 샘플수 | 정확도_N | 정확도_T |
| 방광 (bladder, BL) | BLCA | 434 | 1 | 1 |
| 유방 (breast, BR) | BRCA | 869 | 1 | 1 |
| 자궁 경부 (cervis, CE) | CESC | 312 | 1 | 1 |
| 대장 (colon, CO) | COAD | 335 | 1 | 1 |
| 직장 (rectum, RE) | READ | 106 | 1 | 1 |
| 식도 (esophagus, ES) | ESCA | 202 | 1 | 1 |
| 교모세포종 (glioblastoma, GB) | GBM | 154 | 1 | 1 |
| 두부 및 경부 (head and neck, HN) | HNSC | 580 | 1 | 1 |
| 신장 (kidney, KI) | KIRC | 480 | 1 | 1 |
| 신장 (kidney, KI) | KIRP | 321 | 1 | 1 |
| 폐 (lung, LU) | LUAD | 492 | 1 | 1 |
| 폐 (lung, LU) | LUSC | 412 | 1 | 1 |
| 이자 (pancreas, PA) | PAAD | 195 | 1 | 1 |
| 부신경절종 (paraganglioma, PC) | PCPG | 187 | 1 | 1 |
| 전립선 (prostate, PR) | PRAD | 549 | 1 | 1 |
| 위 (stomach, ST) | STAD | 397 | 1 | 1 |
| 육종 (sarcoma, SA) | SARC | 269 | 1 | 1 |
| 피부 (skin, SK) | SKCM | 475 | 1 | 1 |
| 흉선 (thymus, TH) | THCA | 574 | 1 | 1 |
| 흉선 (thymus, TH) | THYM | 126 | 1 | 1 |
| 자궁 (uterine, UC) | UCEC | 466 | 1 | 1 |
| 조직 | GEO # | 샘플수 | 정확도 |
| 방광 (BL) | GSE52955 | 30 | 1 |
| 유방 (BR) | GSE52865 | 57 | 1 |
| GSE39451 | 20 | 1 | |
| GSE60185 | 285 | 1 | |
| 자궁 경부 (CE) | GSE46306 | 44 | 1 |
| 대장 (colon, CO) | GSE39958 | 45 | 1 |
| GSE42752 | 63 | 1 | |
| GSE48684 | 147 | 1 | |
| 식도 (ES) | GSE52826 | 12 | 1 |
| 교모세포종 (GB) | GSE36278 | 142 | 0.9787 |
| GSE58298 | 40 | 1 | |
| GSE60274 | 77 | 0.987 | |
| 두부 및 경부 (HN) | GSE40005 | 24 | 1 |
| GSE38266 | 42 | 0.9286 | |
| 신장 (KI) | GSE50874 | 85 | 1 |
| GSE61441 | 92 | 1 | |
| 폐 (LU) | GSE39279 | 444 | 1 |
| GSE52401 | 244 | 1 | |
| GSE56044 | 136 | 1 | |
| 이자 (PA) | GSE49149 | 196 | 1 |
| 부신경절종 (PC) | GSE43293 | 24 | 1 |
| 전립선 (PR) | GSE47915 | 8 | 1 |
| GSE55598 | 48 | 1 | |
| 위 (ST) | GSE34387 | 76 | 0.9867 |
| 흉선 (TH) | GSE55111 | 11 | 1 |
| 자궁 (UC) | GSE45187 | 9 | 1 |
Claims (6)
- (a) 대상체(subject)의 생물학적 시료에서 DNA를 분리하는 단계; 및
(b) 상기 분리된 DNA에서 서열번호 1 및 서열번호 2로 표시되는 서열의 CpG 부위의 메틸화 수준을 측정하는 단계;를 포함하는 생물학적 시료의 간 조직 기원 여부를 판별하는 방법.
- 제1항에 있어서, 상기 생물학적 시료는 대상체로부터 분리된 조직, 조직 단편, 세포, 세포 단편, 혈액, 혈장, 체액, 대변 및 소변으로 이루어진 군에서 선택되는 것인, 생물학적 시료의 간 조직 기원 여부를 판별하는 방법.
- 제1항에 있어서,
상기 (b) 단계는 PCR, 메틸화 특이 PCR(methylation specific PCR), 실시간 메틸화 특이 PCR(real time methylation specific PCR), MethyLight PCR, MehtyLight digital PCR, EpiTYPER, 메틸화 DNA 특이적 결합 단백질을 이용한 PCR, 정량 PCR, DNA 칩, 분자 비콘(molecular beacon), 차세대 염기서열분석 패널(NGS panel), 파이로시퀀싱 및 바이설파이트 시퀀싱으로 이루어진 군에서 선택되는 방법으로 수행되는 것인, 생물학적 시료의 간 조직 기원 여부를 판별하는 방법.
- (a) 대상체의 생물학적 시료에서 DNA를 분리하는 단계; 및
(b) 상기 분리된 DNA에서 서열번호 1 및 서열번호 2로 표시되는 서열의 CpG 부위의 메틸화 수준을 측정하는 단계;를 포함하는 생물학적 시료에서 간 조직 유래 DNA를 검출하는 방법.
- 서열번호 1 및 서열번호 2로 표시되는 서열의 메틸화 수준을 측정할 수 있는 제제를 포함하는 생물학적 시료의 간 조직 기원 여부 판별용 조성물.
- 제5항에 있어서, 상기 메틸화 수준을 측정할 수 있는 제제는 서열번호 1 및 서열번호 2로 표시되는 서열의 CpG 부위에 결합하는 프라이머, 프로브 또는 안티센스 핵산인 것인 생물학적 시료의 간 조직 기원 여부 판별용 조성물.
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| Publication number | Publication date |
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| WO2021071164A1 (ko) | 2021-04-15 |
| CN114787386A (zh) | 2022-07-22 |
| EP4043585A4 (en) | 2024-11-06 |
| US20230257812A1 (en) | 2023-08-17 |
| JP2022551633A (ja) | 2022-12-12 |
| EP4043585A1 (en) | 2022-08-17 |
| CN114787386B (zh) | 2025-04-01 |
| JP7412549B2 (ja) | 2024-01-12 |
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