KR102006803B1 - 메틸화 dna 다중 검출방법 - Google Patents
메틸화 dna 다중 검출방법 Download PDFInfo
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- KR102006803B1 KR102006803B1 KR1020160129110A KR20160129110A KR102006803B1 KR 102006803 B1 KR102006803 B1 KR 102006803B1 KR 1020160129110 A KR1020160129110 A KR 1020160129110A KR 20160129110 A KR20160129110 A KR 20160129110A KR 102006803 B1 KR102006803 B1 KR 102006803B1
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- dna
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- target dna
- methylation
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Abstract
Description
도 2는 본 발명의 방법과 일반적인 방법으로 검출한 메틸화 DNA에 대한 검출 민감도를 비교한 결과를 나타낸 것이다.
도 3은 본 발명의 방법 사용되는 타겟 DNA에 대한 프라이머 및 프로브를 설계하는 과정을 도식화한 것이다.
도 4는 타겟 DNA에 대한 프라이머 및 프로브를 이용하여 본 발명의 방법과 일반적인 방법으로 검출한 메틸화 DNA에 대한 검출 민감도를 비교한 결과를 나타낸 것이다.
| 번호 | 설명 | 서열 |
| 서열번호 1 | SDC2 에 상보적으로 결합할 수 있는 올리고뉴클레오타이드 | 5’-GTAGAAATTAATAAGTGAGAGGGC-3’ |
| 서열번호 2 | SDC2 특이적 서열 | 5'- AAAGATTCGGCGACCACCG AACGACTCAAACTCGAAAACTCG-3' |
| 서열번호 3 | SDC2 프로브 | 5’-FAM-TTCGGGGCGTAGTTGCGGGCGG-3’ |
| 서열번호 4 | COL2A1 에 상보적으로 결합할 수 있는 올리고뉴클레오타이드 | 5‘-GTAATGTTAGGAGTATTTTGTGGITA-3‘ |
| 서열번호 5 | COL2A1 특이적 서열 | 5‘- AAAGATTCGGCGACCACCGA CTAICCCAAAAAAACCCAATCCTA-3‘ |
| 서열번호 6 | COL2A1 프로브 | 5’-Cy5-AGAAGAAGGGAGGGGTGTTAGGAGAGG-3’ |
| 서열번호 7 | 유니버셜 프라이머 | 5‘- AAAGATTCGGCGACCACCGA -3’ |
| DNA 농도(pg) | LET-qMSP를 이용한 메틸화 DNArjacnftn |
검출률 | qMSP를 이용한 메틸화 DNA 검출수 | 검출률 |
| 10 | 8 out of 24 | 33.3 | 0 out of 24 | N.D |
| 20 | 24 out of 24 | 100 | 9 out of 24 | 37.5 |
| 50 | 24 out of 24 | 100 | 19 out of 24 | 79.2 |
| 100 | 24 out of 24 | 100 | 23 out of 24 | 95.8 |
| 200 | 24 out of 24 | 100 | 24 out of 24 | 100 |
| Negative control | 0 out of 24 | N.D | 0 out of 24 | N.D |
| Set | 프라이머 | 서열 (5‘-->3’) | 증폭산물크기 (bp) | 서열번호 |
| 1 | F1 | AAGAAAAGGATTGAGAAAAC | 155 | 8 |
| R1 | AAAGATTCGGCGACCACCGA CGAAAAAAATTCCTACAAAATTACACG | 9 | ||
| Probe 1 | CGTGTAATTTTGTAGGAATTTTTTTCG | 29 | ||
| 2 | F2 | GGTTTGTCGGTGAGTAGAGTCGGC | 124 | 10 |
| R1 | AAAGATTCGGCGACCACCGA CGAAAAAAATTCCTACAAAATTACACG | 9 | ||
| Probe 1 | CGTGTAATTTTGTAGGAATTTTTTTCG | 29 | ||
| 3 | F3 | GTTATAGCGCGGAGTCGCGGC | 97 | 11 |
| R1 | AAAGATTCGGCGACCACCGA CGAAAAAAATTCCTACAAAATTACACG | 9 | ||
| Probe 1 | CGTGTAATTTTGTAGGAATTTTTTTCG | 29 | ||
| 4 | F4 | GGTTTTCGGAGTTGTTAATC | 69 | 12 |
| R1 | AAAGATTCGGCGACCACCGA CGAAAAAAATTCCTACAAAATTACACG | 9 | ||
| Probe 1 | CGTGTAATTTTGTAGGAATTTTTTTCG | 29 | ||
| 5 | F5 | TTATTTGGGAGTTATATTGTC | 156 | 13 |
| R2 | AAAGATTCGGCGACCACCGA CGCGCCGCGCCTCCCTCCCCG | 14 | ||
| Probe 2 | CGGGGAGGGAGGCGCGGCGCG | 30 | ||
| 6 | F6 | TTTTAGTCGTTTAGGGGAGTTC | 126 | 15 |
| R2 | AAAGATTCGGCGACCACCGA CGCGCCGCGCCTCCCTCCCCG | 14 | ||
| Probe2 | CGGGGAGGGAGGCGCGGCGCG | 30 | ||
| 7 | F7 | CGTAGTCGCGGAGTTAGTGGTTTC | 152 | 16 |
| R3 | AAAGATTCGGCGACCACCGA CGCTAACTTAAAAAAAAACTACG | 17 | ||
| Probe 3 | CGTAGTTTTTTTTTAAGTTAGCG | 31 | ||
| 8 | F8 | CGCGTTGTTTTTTAGATATTTTC | 121 | 18 |
| R3 | AAAGATTCGGCGACCACCGA CGCTAACTTAAAAAAAAACTACG | 17 | ||
| Probe 3 | CGTAGTTTTTTTTTAAGTTAGCG | 31 | ||
| 9 | F9 | CGCGCGGATCGCGCGTTTTCGTC | 87 | 19 |
| R3 | AAAGATTCGGCGACCACCGA CGCTAACTTAAAAAAAAACTACG | 17 | ||
| Probe 3 | CGTAGTTTTTTTTTAAGTTAGCG | 31 | ||
| 10 | F10 | CGGTACGGGAAAGGAGTTCGCG | 113 | 20 |
| R4 | AAAGATTCGGCGACCACCGA CGACACGAAATTAATACTCCG | 21 | ||
| Probe 4 | CGGAGTATTAATTTCGTGTCG | 32 | ||
| 11 | F11 | GTAGAAATTAATAAGTGAGAGGGC | 144 | 1 |
| R5 | AAAGATTCGGCGACCACCGA ACGACTCAAACTCGAAAACTCG | 2 | ||
| Probe5 | CGAGTTTTCGAGTTTGAGTCGT | 33 | ||
| 12 | F11 | GTAGAAATTAATAAGTGAGAGGGC | 144 | 1 |
| R5 | AAAGATTCGGCGACCACCGA ACGACTCAAACTCGAAAACTCG | 2 | ||
| Probe 5-1 | TTCGGGGCGTAGTTGCGGGCGG | 3 | ||
| 13 | F12 | TCGCGTTTTCGGGGCGTAGTTGC | 119 | 22 |
| R5 | AAAGATTCGGCGACCACCGA ACGACTCAAACTCGAAAACTCG | 2 | ||
| Probe5 | CGAGTTTTCGAGTTTGAGTCGT | 33 | ||
| 14 | F13 | CGGCGGGAGTAGGCGTAGGAGGAGGAAGC | 93 | 23 |
| R5 | AAAGATTCGGCGACCACCGA ACGACTCAAACTCGAAAACTCG | 2 | ||
| Probe 5 | CGAGTTTTCGAGTTTGAGTCGT | 33 | ||
| 15 | F14 | AGGAAGCGAGCGTTTTCGAGTTTC | 71 | 24 |
| R5 | AAAGATTCGGCGACCACCGA ACGACTCAAACTCGAAAACTCG | 2 | ||
| Probe 5 | CGAGTTTTCGAGTTTGAGTCGT | 33 | ||
| 16 | F15 | AATCGTTGCGGTATTTTGTTTC | 133 | 25 |
| R6 | AAAGATTCGGCGACCACCGA CCAAAAACCGACTACTCCCAACCG | 26 | ||
| Probe 6 | CGGTTGGGAGTAGTCGGTTTTTGG | 34 | ||
| 17 | F16 | GATTCGTGTGCGCGGGTTGC | 110 | 27 |
| R6 | AAAGATTCGGCGACCACCGA CCAAAAACCGACTACTCCCAACCG | 26 | ||
| Probe 6 | CGGTTGGGAGTAGTCGGTTTTTGG | 34 | ||
| 18 | F17 | CGAGCGTTGGGTAGGAGGTTTC | 88 | 28 |
| R6 | AAAGATTCGGCGACCACCGA CCAAAAACCGACTACTCCCAACCG | 26 | ||
| Probe 6 | CGGTTGGGAGTAGTCGGTTTTTGG | 34 |
| DNA 농도(pg) | LET-qMSP를 이용한 메틸화 DNArjacnftn |
검출률 | qMSP를 이용한 메틸화 DNA 검출수 | 검출률 |
| 10 | 8 out of 24 | 33.3 | 0 out of 24 | N.D |
| 20 | 24 out of 24 | 100 | 9 out of 24 | 37.5 |
| 50 | 24 out of 24 | 100 | 19 out of 24 | 79.2 |
| 100 | 24 out of 24 | 100 | 23 out of 24 | 95.8 |
| 200 | 24 out of 24 | 100 | 24 out of 24 | 100 |
| Negative control | 0 out of 24 | N.D | 0 out of 24 | N.D |
| DNA 농도(pg) | LET-qMSP를 이용한 메틸화 DNArjacnftn |
검출률 | qMSP를 이용한 메틸화 DNA 검출수 | 검출률 |
| 10 | 7 out of 24 | 29.2 | 0 out of 24 | N.D |
| 20 | 22 out of 24 | 91.7 | 11 out of 24 | 45.0 |
| 50 | 23 out of 24 | 95.8 | 18 out of 24 | 75.0 |
| 100 | 24 out of 24 | 100 | 23 out of 24 | 95.8 |
| 200 | 24 out of 24 | 100 | 24 out of 24 | 100 |
| Negative control | 0 out of 24 | N.D | 0 out of 24 | N.D |
| 프라이머 및 프로브 세트 | Cut-off (Ct) | P value | 민감도 (%), n = 25 | 특이도 (%), n = 25 |
| 1 | <32.1 | < 0.001 | 76.0 | 92.0 |
| 2 | <32.0 | < 0.001 | 80.0 | 96.0 |
| 3 | <32.3 | < 0.001 | 76.0 | 88.0 |
| 4 | <32.1 | < 0.001 | 80.0 | 92.0 |
| 5 | <32.0 | < 0.001 | 84.0 | 96.0 |
| 6 | <32.5 | < 0.001 | 88.0 | 92.0 |
| 7 | <32.5 | < 0.001 | 76.0 | 96.0 |
| 8 | <32.2 | < 0.001 | 80.0 | 88.0 |
| 9 | <32.3 | < 0.001 | 88.0 | 100 |
| 10 | <32.5 | < 0.001 | 76.0 | 92.0 |
| 11 | <32.0 | < 0.001 | 80.0 | 100 |
| 12 | <32.0 | < 0.001 | 88.0 | 92.0 |
| 13 | <32.1 | < 0.001 | 88.0 | 88.0 |
| 14 | <32.0 | < 0.001 | 84.0 | 92.0 |
| 15 | <32.2 | < 0.001 | 80.0 | 96.0 |
| 16 | <32.3 | < 0.001 | 76.0 | 100 |
| 17 | <32.5 | < 0.001 | 84.0 | 100 |
| 18 | <32.0 | < 0.001 | 88.0 | 96.0 |
| 프라이머 및 프로브 세트 | Cut-off (Ct) | P value | 민감도 (%), n = 25 | 특이도 (%), n = 25 |
| 1 + 12 | <32.2 | < 0.001 | 88.0 | 92.0 |
Claims (30)
- 다음의 단계를 포함하는 DNA 메틸화 상태를 검출하는 방법:
(a) 메틸화된 DNA 부위와 비메틸화된 DNA 부위를 서로 다르게 변형시키는 하나 이상의 시약으로 타겟 DNA가 포함되어 있는 샘플을 처리하는 단계;
(b) 상기 시약으로 처리된 타겟 DNA 서열에 상보적으로 결합할 수 있도록 디자인된 타겟 특이적 서열 및 타겟 DNA에 상보적으로 결합하지 않는 유니버셜 프라이머를 포함하는 올리고뉴클레오타이드를 제작하는 단계;
(c) 상기 (b) 단계에서 제작된 올리고뉴클레오타이드를 프라이머로 사용하여 상기 (a) 단계에서 시약으로 처리된 타겟 DNA를 주형으로 하여 한쪽 방향으로 (asymmetric) 선형 증폭하는 단계;
(d) 상기 (c) 단계에서 선형 증폭된 DNA에 상보적으로 결합할 수 있는 올리고뉴클레오타이드 및 선형 증폭된 타겟 DNA에 상보적으로 결합하지 않는 유니버셜 프라이머를 사용하여 타겟 DNA를 증폭하는 단계; 및
(e) 상기 (d) 단계에서 증폭된 타겟 DNA 서열에 상보적으로 혼성화 할 수 있는 프로브를 이용하여 타겟 DNA의 메틸화를 검출하는 단계.
- 제1항에 있어서, 상기 시약은 바이설파이트, 하이드로젠 설파이트, 다이설파이트 또는 이들의 조합인 것을 특징으로 하는 방법.
- 제1항에 있어서, 상기 시약 처리에 의해 적어도 하나의 사이토신 염기가 우라실 또는 사이토신과 상이한 염기로 변환되는 것을 특징으로 하는 방법.
- 제1항에 있어서, 단일 반응기 내 샘플 중 복수의 타겟 DNA의 메틸화를 검출하는 것을 특징으로 하는 방법.
- 제1항에 있어서, 상기 단계 (b) 또는 단계 (d)의 유니버셜 프라이머는 서열번호 7의 염기서열로 표시되는 서열과 50% 이상의 상동성을 가지는 서열을 포함하는 것을 특징으로 하는 방법.
- 제1항에 있어서, 상기 (b) 단계의 타겟 특이적 서열은 타겟 DNA의 메틸화 부위 및/또는 비메틸화 부위에 상보적으로 결합하는 것을 특징으로 하는 방법.
- 제1항에 있어서, 상기 (b) 단계의 타겟 특이적 서열은 하나 이상의 CpG 다이뉴클레오타이드를 포함하는 것을 특징으로 하는 방법.
- 제1항에 있어서, 상기 (b) 단계의 타겟 특이적 서열은 서열번호 2, 5, 9, 14, 17, 21 및 26으로 구성된 군에서 선택된 하나 이상의 서열과 50% 이상의 상동성을 가지는 서열을 포함하는 것을 특징으로 하는 방법.
- 제1항에 있어서, 상기 메틸화 검출은 PCR, 메틸화 특이 PCR (methylation specific PCR), 실시간 메틸화 특이 PCR (real time methylation specific PCR), 메틸화 DNA 특이적 결합 단백질을 이용한 PCR, 메틸화 DNA 특이적 결합 항체를 이용한 PCR, 정량 PCR, 유전자 칩, 시퀀싱, 시퀀싱 바이 신세시스 및 시퀀싱 바이 라이게이션으로 구성된 군에서 선택되는 방법에 의하여 수행되는 것을 특징으로 하는 방법.
- 제1항에 있어서, 상기 단계 (d)의 올리고뉴클레오타이드는 하나 이상의 CpG 다이뉴클레오타이드를 포함하는 것을 특징으로 하는 방법.
- 제1항에 있어서, 상기 단계 (d)의 올리고뉴클레오타이드는 서열번호 1, 4, 8, 10-13, 15, 16, 18-20, 22-25, 27 및 28로 구성된 군에서 선택된 하나 이상의 서열과 50% 이상의 상동성을 가지는 서열을 포함하는 것을 특징으로 하는 방법.
- 제1항에 있어서, 상기 단계 (e)의 프로브는 하나 이상의 CpG 다이뉴클레오타이드를 포함하는 것을 특징으로 하는 방법.
- 제1항에 있어서, 상기 단계 (e)의 프로브는 서열번호 3, 6, 29, 30, 31-34로 구성된 군에서 선택된 하나 이상의 서열과 50% 이상의 상동성을 가지는 서열을 포함하는 것을 특징으로 하는 방법.
- 제1항에 있어서, 상기 단계 (e)의 프로브는 리포터(reporter) 또는 소광자(quencher)를 추가로 포함하는 것을 특징으로 하는 방법.
- 제1항에 있어서, 상기 단계 (d)의 올리고뉴클레오타이드 및 단계 (d)의 유니버셜 프라이머는 자가 리포팅 (self reporting) 기능을 가지거나, 에너지 전이 표지된 (energy transfer label) 것을 특징으로 하는 방법.
- 제14항에 있어서,
상기 리포터는 FAM(6-carboxyfluorescein), Texas red, HEX(2',4',5',7',-tetrachloro-6-carboxy-4,7-dichlorofluorescein), JOE, CY3 및 CY5로 구성되는 군에서 선택되는 1개 이상인 것을 특징으로 하는 방법.
- 제14항에 있어서,
상기 소광자는 TAMRA(6-carboxytetramethyl-rhodamine), BHQ1, BHQ2 및 Dabcyl으로 구성되는 군에서 선택되는 1개 이상인 것을 특징으로 하는 방법.
- 제1항에 있어서, 상기 타겟 DNA는 SDC2인 것을 특징으로 하는 방법.
- 타겟 DNA를 포함하는 샘플에 처리되는 메틸화된 DNA와 비메틸화된 DNA를 서로 다르게 변형시키는 하나 이상의 시약;
상기 시약으로 처리된 타겟 DNA 서열에 상보적으로 결합할 수 있는 타겟 특이적 서열 및 타겟 DNA에 혼성화 하지 않는 유니버셜 프라이머를 포함하는 올리고뉴클레오타이드;
상기 올리고뉴클레오타이드를 프라이머로 사용하여 시약으로 처리된 타겟 DNA를 주형으로 하여 단일방향 PCR (unidirectional PCR)을 통해 한쪽 방향으로 (asymmetric) 선형 증폭된 DNA에 상보적으로 결합할 수 있는 올리고뉴클레오타이드 및 선형 증폭된 타겟 DNA에 상보적으로 결합하지 않는 유니버셜 프라이머; 및
상기 선형 증폭된 타겟 DNA 서열에 상보적으로 혼성화 할 수 있는 프로브를 포함하는 메틸화 DNA 검출용 조성물.
- 제19항에 있어서, 상기 시약은 바이설파이트, 하이드로젠 설파이트, 다이설파이트 또는 이들의 조합인 것을 특징으로 하는 조성물.
- 제19항에 있어서, 단일 반응기 내 샘플 중 복수의 타겟 DNA의 메틸화를 검출하는 것을 특징으로 하는 조성물.
- 제19항에 있어서, 상기 타겟 DNA에 혼성화 하지 않는 유니버셜 프라이머 또는 선형 증폭된 타겟 DNA에 상보적으로 결합하지 않는 유니버셜 프라이머는 서열번호 7의 염기서열로 표시되는 서열과 50% 이상의 상동성을 가지는 서열을 포함하는 것을 특징으로 하는 조성물.
- 제19항에 있어서, 상기 타겟 특이적 서열은 타겟 DNA의 메틸화 부위 및/또는 비메틸화 부위에 상보적으로 결합하는 것을 특징으로 하는 조성물.
- 제19항에 있어서, 상기 타겟 특이적 서열은 하나 이상의 CpG 다이뉴클레오타이드를 포함하는 것을 특징으로 하는 조성물.
- 제19항에 있어서, 상기 타겟 특이적 서열은 서열번호 2, 5, 9, 14, 17, 21 및 26로 구성된 군에서 선택된 하나 이상의 서열과 50% 이상의 상동성을 가지는 서열을 포함하는 것을 특징으로 하는 조성물.
- 제19항에 있어서, 상기 선형 증폭된 DNA에 상보적으로 결합할 수 있는 올리고뉴클레오타이드는 하나 이상의 CpG 다이뉴클레오타이드를 포함하는 것을 특징으로 하는 조성물.
- 제19항에 있어서, 상기 선형 증폭된 DNA에 상보적으로 결합할 수 있는 올리고뉴클레오타이드는 서열번호 1, 4, 8, 10-13, 15, 16, 18-20, 22-25, 27 및 28로 구성된 군에서 선택된 하나 이상의 서열과 50% 이상의 상동성을 가지는 서열을 포함하는 것을 특징으로 하는 조성물.
- 제19항에 있어서, 상기 프로브는 하나 이상의 CpG 다이뉴클레오타이드를 포함하는 것을 특징으로 하는 조성물.
- 제19항에 있어서, 상기 프로브는 서열번호 3, 6, 29, 30, 31-34로 구성된 군에서 선택된 하나 이상의 서열과 50% 이상의 상동성을 가지는 서열을 포함하는 것을 특징으로 하는 조성물.
- 제19항 내지 제29항 중 어느 한 항에 따른 조성물을 포함하는 메틸화 DNA 검출용 키트.
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| JP2019540498A JP6968894B2 (ja) | 2016-10-06 | 2017-09-29 | メチル化dnaの多重検出方法 |
| PCT/KR2017/010907 WO2018066910A1 (ko) | 2016-10-06 | 2017-09-29 | 메틸화 dna 다중 검출방법 |
| ES17858704T ES2936408T3 (es) | 2016-10-06 | 2017-09-29 | Método de detección múltiple de ADN metilado |
| SG11201903066RA SG11201903066RA (en) | 2016-10-06 | 2017-09-29 | Method for multiplex detection of methylated dna |
| US16/339,694 US11186866B2 (en) | 2016-10-06 | 2017-09-29 | Method for multiplex detection of methylated DNA |
| AU2017339984A AU2017339984B2 (en) | 2016-10-06 | 2017-09-29 | Method for multiplex detection of methylated DNA |
| CN201780069147.8A CN109952381B (zh) | 2016-10-06 | 2017-09-29 | 用于多重检测甲基化dna的方法 |
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| US20220213540A1 (en) * | 2019-04-22 | 2022-07-07 | POSTECH Research and Business Development Foundation | Novel probe set for isothermal one-pot reaction, and uses thereof |
| KR102280363B1 (ko) * | 2019-06-18 | 2021-07-22 | (주)지노믹트리 | Sdc2 유전자의 메틸화 검출방법 |
| KR102261606B1 (ko) * | 2019-11-07 | 2021-06-07 | (주)지노믹트리 | 대장암 검출 방법 |
| WO2021097252A1 (en) * | 2019-11-13 | 2021-05-20 | Bradley Bernstein | Methylation assays and uses thereof |
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| CN111676286B (zh) * | 2020-05-29 | 2023-04-14 | 武汉爱基百客生物科技有限公司 | 肺癌血浆游离dna甲基化检测用的多重pcr引物系统、检测方法及应用 |
| CN111653311B (zh) * | 2020-05-29 | 2023-05-12 | 武汉爱基百客生物科技有限公司 | 一种多重甲基化特异性pcr引物设计方法及系统 |
| CN114645077B (zh) * | 2020-12-17 | 2025-06-03 | 厦门大学 | 一种检测受体样品中供体的存在或比例的方法和试剂盒 |
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| AU2017339984B2 (en) | 2021-02-04 |
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