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Zhonghua Yi Xue Yi Chuan Xue Za Zhi. 2014 Feb;31(1):11-5. doi: 10.3760/cma.j.issn.1003-9406.2014.01.003.

[Application of multiplex ligation-dependent probe amplification for rapid detection of aneuploidies and structural chromosomal abnormalities in prenatal diagnosis].

[Article in Chinese]

Author information

  • 1Center of Prenatal Diagnosis, Nanjing Maternal and Child Health Hospital Affiliated to Nanjing Medical University, Nanjing, Jiangsu 210004, P.R. China. njxzf@126.com; dingyuanma2002@yahoo.com.cn.

Abstract

OBJECTIVE:

To explore the value of multiplex ligation-dependent probe amplification (MLPA) for rapid detection of aneuploidies and structural chromosomal abnormalities during prenatal diagnosis.

METHODS:

Two hundred and eight six amniotic fluid samples were analyzed with both MLPA and conventional karyotyping. Structural abnormalities were verified with array comparative genomic hybridization.

RESULTS:

Ten cases of trisomy 21, 2 cases of trisomy 18, 1 case of trisomy 13, 1 case of mosaic trisomy 21, 1 case of 45,X, 1 case of large deletion of Xp, 1 case of trisomy 18p and 1 case of large deletion of 18p and 18q were identified. The same results were derived by both MLPA and conventional karyotyping. Structural abnormalities were verified by array comparative genomic hybridization (aCGH) with 100% accuracy.

CONCLUSION:

In addition to aneuploidies, MLPA can rapidly identify large deletions and duplications of chromosomes 21, 18, 13, X and Y. MLPA is supplementary to conventional karyotyping for identification of such chromosomal abnormalities prenatal diagnosis.

PMID:
24510553
[PubMed - indexed for MEDLINE]
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