Application of high-throughput whole genome sequencing and STR typing for the analysis of chorea villus tissue samples from spontaneous abortion / 中华医学遗传学杂志
Chinese Journal of Medical Genetics
;
(6): 1171-1174, 2019.
Article
Dans Chinois
| WPRIM
| ID: wpr-781324
ABSTRACT
OBJECTIVE@#To apply high-throughput whole genome sequencing (WGS) and short tandem repeat (STR) typing to detect aneuploidies, heteroploidies and copy number variations(CNVs) in spontaneous abortic tissues.@*METHODS@#Chorionic villus samples from 145 patients with spontaneous abortion were subjected to detection of aneuploidies, heteroploidies and copy number variations by WGS and STR typing.@*RESULTS@#All testing was successful and the rate of chromosomal abnormalities among the patients was 22.07%. Among these, there were 11 trisomies, 3 monosomies, 2 triploidies, 5 autosomal mosaicisms, 4 sex chromosomal mosaicisms, 7 structural abnormalities (including 1 mosaicism). In 89 cases, there were 130 CNVs of uncertain significance, 47 likely benign CNVs, and 2 loss of one copy of pathogenic AR gene. One sample contained 6 fragment duplications and deletions. Only 24 samples had no abnormal finding.@*CONCLUSION@#The most important reason for spontaneous abortions is embryonic chromosomal abnormality. Combined STR typing and WGS is both comprehensive and fast, and may become a major means for the detection of chorionic villi tissue from spontaneous abortions.
Texte intégral:
Disponible
Indice:
WPRIM (Pacifique occidental)
Sujet Principal:
Avortement spontané
/
Chorée
/
Aberrations des chromosomes
/
Répétitions microsatellites
/
Variations de nombre de copies de segment d'ADN
/
Séquençage du génome entier
/
Génétique
Limites du sujet:
Femelle
/
Humains
/
Grossesse
langue:
Chinois
Texte intégral:
Chinese Journal of Medical Genetics
Année:
2019
Type:
Article
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