학술논문
Whole genome sequencing based noninvasive prenatal test
이용수 2
- 영문명
- 발행기관
- 대한의학유전학회
- 저자명
- Eun-Hae Cho
- 간행물 정보
- 『대한의학유전학회지』제12권 제2호, 61~65쪽, 전체 5쪽
- 주제분류
- 의약학 > 기타의약학
- 파일형태
- 발행일자
- 2015.12.31
4,000원
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이 학술논문 정보는 (주)교보문고와 각 발행기관 사이에 저작물 이용 계약이 체결된 것으로, 교보문고를 통해 제공되고 있습니다.
국문 초록
영문 초록
Whole genome sequencing (WGS)-based noninvasive prenatal test (NIPT) is the first method applied in the clinical setting out of various NIPT techniques. Several companies, such as Sequenom, BGI, and Illumina offer WGS-based NIPT, each with different technical and bioinformatic approaches. Sequenom, BGI, and Illumina utilize z-, t -, and L-scores, as well as normalized chromosome values, respectively, for trisomy detection. Their outstanding performance has been demonstrated in clinical studies of more than 100,000 pregnancies. The sensitivity and specificity for detection of trisomies 13, 18, and 21 were above 98%, as reported by all three companies. Unlike other techniques, WGS-based NIPT can detect other trisomies as well as clinically significant segmental duplications/deletions within a chromosome, which could expand the scope of NIPT. Incorrect results could be due to low fetal fraction, fetoplacental mosaicism, confined placental mosaicism or maternal copy number variation (CNV). Among those, maternal CNV is a significant contributor of false positive results and therefore
genome wide scanning plays an important role in preventing the occurrence of false positives. In this article, the bioinformatic techniques and clinical performance of three major companies are comprehensively reviewed.
목차
해당간행물 수록 논문
- Validation of fetus aneuploidy in 221 Korean clinical samples using noninvasive chromosome examination
- Application of digital polymerase chain reaction technology for noninvasive prenatal test
- Noninvasive prenatal test for the pregnancy with Turner syndrome mosaicism 45, X/47, XXX
- Observed frequency of fetal trisomy between 16 and 24 gestational weeks in pregnant women older than 34 years at delivery
- Split hand/foot malformation with long-bone deficiency and BHLHA9 duplication
- Identification of causative mutations in patients with Leigh syndrome and MERRF by mitochondrial DNAtargeted next-generation sequencing
- Noninvasive prenatal test for fetal chromosomal aneuploidies by massively parallel sequencing of cellfree fetal DNA in maternal plasma
- Noninvasive fetal RHD genotyping using cell-free fetal DNA incorporating fetal RASSF1A marker in RhD-negative pregnant women in Korea
- Advantages of the single nucleotide polymorphismbased noninvasive prenatal test
- Evaluating the results of the Momguard noninvasive prenatal test
- Whole genome sequencing based noninvasive prenatal test
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