KR102581240B1 - 유전자의 특이적 메틸화를 이용하여 당뇨족부궤양 재발 또는 예후를 예측하는 방법 - Google Patents
유전자의 특이적 메틸화를 이용하여 당뇨족부궤양 재발 또는 예후를 예측하는 방법 Download PDFInfo
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Abstract
Description
서열번호 1 | ATGCAGTGGAGGTGAGGAGAACCCTGAGGACAGCAGCCGCAGGGAGCCCCGGACCTTGGCCAGGCCCCCAGGCCCGAGTCTCAGTCCTCGAGGGGCCACTGCTGCTCAGCACAGCAC |
서열번호 2 | GGATTGGAAGACCCAACAGTGTAATCATGAGCTTAGGTTGGAGCAGAATTTCTCTTAGTAGTTTGCAGGACATGTGGGGTTAAACATTTCAGTGGTTTTCTTTTCCGGCAGGACTTATCAGTGCCTTTAGCAATGCAAAGGTATAGAATGAGGACTTGAGTATATGCATTTTTCAAATAGACATGATCTGAAAGTCTTTTTTAAAAGTTGCCGGGCACGGTGGCTCACACCTGTAATCCCAGCACTTTGGGAGGCCGAGGCAGGCGGATCACAAGGTCAGGAGATAGAGACCATCCTGGCT |
서열번호 3 | MORN1 정방향 프라이머 | ATGTAGTGGAGGTGAGGAGAATTT |
서열번호 4 | MORN1 역방향 프라이머 | ATACTATACTAAACAACAATAACCCCT |
서열번호 5 | NCOR2 정방향 프라이머 | GGATTGGAAGATTTAATAGTGTAA |
서열번호 6 | NCOR2 역방향 프라이머 | AACCAAAATAATCTCTATCTCCTAACCT |
도 2는 재발 조건에 따른 후성유전학적 인자의 각 조건을 의사결정나무로 나타낸 것이다. 이 때, 프로브는 MORN1 유전자이고, 주요 노드로서 cg01296877의 메틸화 수준이 0.394이하인 경우, 당뇨족부궤양 재발 위험이 높은 것으로 판단할 수 있다.
유전자 | Target ID | 메틸화 수준(β 값)의 차이 | 메틸화 상태 | p-value |
NCOR2 | cg23878260 | 0.250000 | 과메틸화 | 0.0000416 |
LINC00504 | Cg16033700 | 0.151801 | 과메틸화 | 0.000308 |
유전자 | Target ID | 메틸화 수준(β 값)의 차이 | 메틸화 상태 | p-value |
MORN1 | cg01296877 | -0.384 | 저메틸화 | 0.00000000424 |
Claims (14)
- 유전자의 CpG 부위를 포함하는, 당뇨족부궤양 재발 예측용 바이오마커 조성물로서,
상기 유전자는 MORN1인 것을 특징으로 하는, 바이오마커 조성물.
- 제1항에 있어서,
상기 MORN1 유전자의 CpG 부위는 서열번호 1 (assembly hg19 기준 1번 염색체의 2274928 내지 2275044번째)의 염기서열 중에 나타나는 CpG를 포함하는 것인, 조성물.
- 삭제
- 삭제
- 유전자의 CpG 부위의 메틸화 수준을 측정하는 제제를 포함하는, 당뇨족부궤양 재발 예측용 조성물로서,
상기 유전자는 MORN1인 것을 특징으로 하는, 조성물.
- 제5항에 있어서,
상기 유전자의 CpG 부위의 메틸화 수준을 측정하는 제제는, 바이설파이트(bisulfite) 또는 이의 염, 메틸화 민감성 제한효소, 상기 유전자의 CpG 부위의 메틸화된 서열에 특이적인 프라이머, 비메틸화된 서열에 특이적인 프라이머, 메틸화된 CpG 결합 도메인, 또는 메틸사이토신에 특이적으로 결합하는 항체를 포함하는 것인, 조성물.
- 제6항에 있어서,
상기 유전자의 CpG 부위의 메틸화된 서열에 특이적인 프라이머는 서열번호 3 내지 4로 표시되는 프라이머로 이루어진 군으로부터 선택되는 어느 하나 이상인 것을 특징으로 하는, 조성물.
- 하기 단계를 포함하는 당뇨족부궤양 재발 예측을 위한 정보제공방법.
(a) 임상 샘플에서 DNA를 분리하는 단계;
(b) 상기 분리된 DNA에서 MORN1 유전자의 CpG 부위의 메틸화 수준을 측정하는 단계; 및
(c) 상기 유전자의 CpG 부위의 메틸화 수준을 당뇨족부궤양이 재발하지 않은 대조군의 동일 유전체 상 영역의 CpG 부위 메틸화 수준과 비교하는 단계.
- 제8항에 있어서,
상기 비교하는 단계 이후에, 상기 MORN1 유전자의 CpG 부위가 저메틸화된 경우, 당뇨족부궤양의 재발 위험이 높을 것으로 예측하는 단계를 포함하는, 정보제공방법.
- 삭제
- 삭제
- 제8항에 있어서,
상기 임상 샘플은 당뇨족부궤양 재발 의심 환자 유래의 조직, 객담, 세포, 혈액, 혈장 및 소변으로 이루어진 군으로부터 선택되는 어느 하나 이상인 것인 정보제공방법.
- 제8항에 있어서,
상기 메틸화 수준의 측정은 중합효소연쇄반응(Polymerase Chain Reaction, PCR), 메틸화 특이 PCR(methylation specific PCR), 실시간 메틸화 특이 PCR(real time methylation specific PCR), 메틸화 DNA 특이적 결합 단백질을 이용한 PCR, 정량 PCR, DNA 칩, 파이로시퀀싱 및 바이설파이트시퀀싱으로 이루어진 군으로부터 선택되는 어느 하나 이상에 의해 수행되는 것을 특징으로 하는 정보제공방법.
- 삭제
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