[Application of combined chromosomal karyotyping and BACs-on-Beads assay for the prenatal diagnosis of high-risk gravida from Ningbo]. 2018

Danhua Shi, and Lichao Zhang, and Qianqian Mao, and Ying Zhou, and Lingling Xu, and Liping Lu, and Wenbo Lu
Ningbo Key Laboratory of Maternal-Fetal Medicine Research, Department of Laboratory Medicine, Ningbo Women and Children's Health Care Hospital, Ningbo, Zhejiang 315012, China. asp0777@sina.com.

OBJECTIVE To assess the value of combined chromosomal karyotyping and BACs-on-Beads(BoBs) assay for the prenatal diagnosis of high risk gravida from Ningbo. METHODS For 2779 women, results of conventional karyotyping analysis and BoBs assay were compared. RESULTS For common aneuploidies involving chromosomes 13, 18, 21, X and Y, the two methods have yielded a concordance rate of 98.78%. Eight cases detected with microduplication by BoBs were missed by karyotyping analysis. On the other hand, 17 structural chromosomal abnormalities, 10 chimeras and 1 triploidy detected by karyotyping analysis were missed by BoBs. CONCLUSIONS The BoBs technology has featured high throughput and rapidity, and can detect 9 microdeletion syndromes, which can improve the quality of prenatal diagnosis and provide an ideal complementary for conventional chromosomal karyotyping.

UI MeSH Term Description Entries
D007621 Karyotyping Mapping of the KARYOTYPE of a cell. Karyotype Analysis Methods,Analysis Method, Karyotype,Analysis Methods, Karyotype,Karyotype Analysis Method,Karyotypings,Method, Karyotype Analysis,Methods, Karyotype Analysis
D011247 Pregnancy The status during which female mammals carry their developing young (EMBRYOS or FETUSES) in utero before birth, beginning from FERTILIZATION to BIRTH. Gestation,Pregnancies
D011296 Prenatal Diagnosis Determination of the nature of a pathological condition or disease in the postimplantation EMBRYO; FETUS; or pregnant female before birth. Diagnosis, Prenatal,Fetal Diagnosis,Fetal Imaging,Fetal Screening,Intrauterine Diagnosis,Antenatal Diagnosis,Antenatal Screening,Diagnosis, Antenatal,Diagnosis, Intrauterine,Prenatal Screening,Antenatal Diagnoses,Antenatal Screenings,Diagnosis, Fetal,Fetal Diagnoses,Fetal Imagings,Fetal Screenings,Imaging, Fetal,Intrauterine Diagnoses,Prenatal Diagnoses,Prenatal Screenings,Screening, Antenatal,Screening, Fetal,Screening, Prenatal
D002869 Chromosome Aberrations Abnormal number or structure of chromosomes. Chromosome aberrations may result in CHROMOSOME DISORDERS. Autosome Abnormalities,Cytogenetic Aberrations,Abnormalities, Autosome,Abnormalities, Chromosomal,Abnormalities, Chromosome,Chromosomal Aberrations,Chromosome Abnormalities,Cytogenetic Abnormalities,Aberration, Chromosomal,Aberration, Chromosome,Aberration, Cytogenetic,Aberrations, Chromosomal,Aberrations, Chromosome,Aberrations, Cytogenetic,Abnormalities, Cytogenetic,Abnormality, Autosome,Abnormality, Chromosomal,Abnormality, Chromosome,Abnormality, Cytogenetic,Autosome Abnormality,Chromosomal Aberration,Chromosomal Abnormalities,Chromosomal Abnormality,Chromosome Aberration,Chromosome Abnormality,Cytogenetic Aberration,Cytogenetic Abnormality
D002872 Chromosome Deletion Actual loss of portion of a chromosome. Monosomy, Partial,Partial Monosomy,Deletion, Chromosome,Deletions, Chromosome,Monosomies, Partial,Partial Monosomies
D005260 Female Females
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults
D022202 Chromosomes, Artificial, Bacterial DNA constructs that are composed of, at least, a REPLICATION ORIGIN, for successful replication, propagation to and maintenance as an extra chromosome in bacteria. In addition, they can carry large amounts (about 200 kilobases) of other sequence for a variety of bioengineering purposes. Artificial Chromosomes, Bacterial,Bacterial Artificial Chromosomes,BAC (Chromosome),BACs (Chromosomes),Chromosomes, Bacterial Artificial,Artificial Chromosome, Bacterial,Bacterial Artificial Chromosome,Chromosome, Bacterial Artificial

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