Detection of copy number variations in pediatric ETV6/RUNX1-positive acute lymphoblastic leukemia with multiplex ligation-dependent probe amplification / 中国当代儿科杂志
Chinese Journal of Contemporary Pediatrics
;
(12): 34-38, 2016.
Article
in Chinese
| WPRIM
| ID: wpr-279901
ABSTRACT
<p><b>OBJECTIVE</b>To investigate the application of multiplex ligation-dependent probe amplification (MLPA) in the detection of copy number variations (CNVs) in pediatric ETV6/RUNX1-positive acute lymphoblastic leukemia (ALL), to compare this method with conventional karyotype analysis and fluorescence in situ hybridization (FISH), and to evaluate the value of MLPA.</p><p><b>METHODS</b>The clinical data of 95 children with ETV6/RUNX1-positive ALL who were treated from January 2006 to November 2012 were analyzed retrospectively, including clinical features, results of karyotype analysis, and results of FISH. CNVs were detected with MLPA.</p><p><b>RESULTS</b>CNVs were detected in 73 (77%), and the median number of CNVs was 1 (range 0-6). The CNVs of EBF1, CDKN2A/2B, PAX5, ETV6, RB1, and BTG1 were detected in more than 10% of all the patients. The changes in the chromosome segments carrying the genes with CNVs detected by MLPA were not detected by conventional karyotype analysis. The coincidence rate between the CNVs in ETV6 gene detected by FISH and those detected by MLPA was 66%.</p><p><b>CONCLUSIONS</b>MLPA is an efficient and convenient method to detect CNVs in children with ETV6/RUNX1-positive ALL.</p>
Full text:
Available
Index:
WPRIM (Western Pacific)
Main subject:
Oncogene Proteins, Fusion
/
In Situ Hybridization, Fluorescence
/
Core Binding Factor Alpha 2 Subunit
/
Precursor Cell Lymphoblastic Leukemia-Lymphoma
/
DNA Copy Number Variations
/
Multiplex Polymerase Chain Reaction
/
Genetics
/
Methods
Type of study:
Diagnostic study
Limits:
Adolescent
/
Child
/
Child, preschool
/
Female
/
Humans
/
Infant
/
Male
Language:
Chinese
Journal:
Chinese Journal of Contemporary Pediatrics
Year:
2016
Type:
Article
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