Chromosomal Microarray Testing in 42 Korean Patients with Unexplained Developmental Delay, Intellectual Disability, Autism Spectrum Disorders, and Multiple Congenital Anomalies

Chromosomal microarray (CMA) is a high-resolution, high-throughput method of identifying submicroscopic genomic copy number variations (CNVs). CMA has been established as the first-line diagnostic test for individuals with developmental delay (DD), intellectual disability (ID), autism spectrum disor...

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Main Authors: Sun Ho Lee, Wung Joo Song
Format: Article
Language:English
Published: BioMed Central 2017-09-01
Series:Genomics & Informatics
Subjects:
Online Access:http://genominfo.org/upload/pdf/gi-2017-15-3-82.pdf
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author Sun Ho Lee
Wung Joo Song
author_facet Sun Ho Lee
Wung Joo Song
author_sort Sun Ho Lee
collection DOAJ
description Chromosomal microarray (CMA) is a high-resolution, high-throughput method of identifying submicroscopic genomic copy number variations (CNVs). CMA has been established as the first-line diagnostic test for individuals with developmental delay (DD), intellectual disability (ID), autism spectrum disorders (ASDs), and multiple congenital anomalies (MCAs). CMA analysis was performed in 42 Korean patients who had been diagnosed with unexplained DD, ID, ASDs, and MCAs. Clinically relevant CNVs were discovered in 28 patients. Variants of unknown significance were detected in 13 patients. The diagnostic yield was high (66.7%). CMA is a superior diagnostic tool compared with conventional karyotyping and fluorescent in situ hybridization.
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institution Kabale University
issn 2234-0742
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series Genomics & Informatics
spelling doaj-art-35e8d111a5e648a2864d6801281c36492025-02-02T03:16:32ZengBioMed CentralGenomics & Informatics2234-07422017-09-01153828610.5808/GI.2017.15.3.82488Chromosomal Microarray Testing in 42 Korean Patients with Unexplained Developmental Delay, Intellectual Disability, Autism Spectrum Disorders, and Multiple Congenital AnomaliesSun Ho Lee0Wung Joo Song1 Department of Diagnostic Laboratory Medicine, Chungnam National University Graduate School of Medicine, Daejeon 35015, Korea Department of Genetic Counseling, Konyang University Graduate School of Public Health and Welfare, Daejeon 35365, KoreaChromosomal microarray (CMA) is a high-resolution, high-throughput method of identifying submicroscopic genomic copy number variations (CNVs). CMA has been established as the first-line diagnostic test for individuals with developmental delay (DD), intellectual disability (ID), autism spectrum disorders (ASDs), and multiple congenital anomalies (MCAs). CMA analysis was performed in 42 Korean patients who had been diagnosed with unexplained DD, ID, ASDs, and MCAs. Clinically relevant CNVs were discovered in 28 patients. Variants of unknown significance were detected in 13 patients. The diagnostic yield was high (66.7%). CMA is a superior diagnostic tool compared with conventional karyotyping and fluorescent in situ hybridization.http://genominfo.org/upload/pdf/gi-2017-15-3-82.pdfautism spectrum disorderchromosomal microarraydevelopmental delayintellectual disabilitymultiple congenital anomalies
spellingShingle Sun Ho Lee
Wung Joo Song
Chromosomal Microarray Testing in 42 Korean Patients with Unexplained Developmental Delay, Intellectual Disability, Autism Spectrum Disorders, and Multiple Congenital Anomalies
Genomics & Informatics
autism spectrum disorder
chromosomal microarray
developmental delay
intellectual disability
multiple congenital anomalies
title Chromosomal Microarray Testing in 42 Korean Patients with Unexplained Developmental Delay, Intellectual Disability, Autism Spectrum Disorders, and Multiple Congenital Anomalies
title_full Chromosomal Microarray Testing in 42 Korean Patients with Unexplained Developmental Delay, Intellectual Disability, Autism Spectrum Disorders, and Multiple Congenital Anomalies
title_fullStr Chromosomal Microarray Testing in 42 Korean Patients with Unexplained Developmental Delay, Intellectual Disability, Autism Spectrum Disorders, and Multiple Congenital Anomalies
title_full_unstemmed Chromosomal Microarray Testing in 42 Korean Patients with Unexplained Developmental Delay, Intellectual Disability, Autism Spectrum Disorders, and Multiple Congenital Anomalies
title_short Chromosomal Microarray Testing in 42 Korean Patients with Unexplained Developmental Delay, Intellectual Disability, Autism Spectrum Disorders, and Multiple Congenital Anomalies
title_sort chromosomal microarray testing in 42 korean patients with unexplained developmental delay intellectual disability autism spectrum disorders and multiple congenital anomalies
topic autism spectrum disorder
chromosomal microarray
developmental delay
intellectual disability
multiple congenital anomalies
url http://genominfo.org/upload/pdf/gi-2017-15-3-82.pdf
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