Role of multicolor fluorescence in situ hybridization (FISH) in simultaneous detection of probe sets for chromosome 18, X and Y in uncultured amniotic fluid cells
Journal of Korean Medical Science
;
: 438-442, 1999.
Article
in English
| WPRIM
| ID: wpr-221958
ABSTRACT
Major aneuploidies diagnosed prenatally involve the autosomes 13, 18, and 21, and sex chromosomes. Fluorescence in situ hybridization (FISH) allows rapid analysis of chromosome copy number in interphase cells. The purpose of this study was to evaluate the role of multicolor fluorescence in situ hybridization in simultaneous detection of probe sets for chromosome 18, X, and Y in uncultured amniotic fluid cells as a safer alternative method for aneuploidy detection prenatally. Fifty amniotic fluid samples were analyzed by FISH and standard cytogenetics. Mean time to obtain results was three days for fluorescence in situ hybridization and 20 days for karyotype. Fluorescence in situ hybridization was informative in 43 samples (86%), and within this group, two aneuploidies were correctly identified. This evaluation demonstrates that FISH with X, Y, and 18 alpha satellite DNA probes could accurately and rapidly detect aneuploidies involving these chromosomes and could be used in any prenatal clinical laboratory.
Full text:
Available
Index:
WPRIM (Western Pacific)
Main subject:
Sex Chromosome Aberrations
/
X Chromosome
/
Y Chromosome
/
Chromosomes, Human, Pair 18
/
DNA, Satellite
/
DNA Probes
/
Centromere
/
In Situ Hybridization, Fluorescence
/
Color
/
Amniocentesis
Type of study:
Diagnostic study
/
Prognostic study
Limits:
Female
/
Humans
/
Pregnancy
Language:
English
Journal:
Journal of Korean Medical Science
Year:
1999
Type:
Article
Similar
MEDLINE
...
LILACS
LIS