A pipeline with multiplex reverse transcription polymerase chain reaction and microarray for screening of chromosomal translocations in leukemia.

Abstract:

:Chromosome rearrangements and fusion genes present major portion of leukemogenesis and contribute to leukemic subtypes. It is practical and helpful to detect the fusion genes in clinic diagnosis of leukemia. Present application of reverse transcription polymerase chain reaction (RT-PCR) method to detect the fusion gene transcripts is effective, but time- and labor-consuming. To set up a simple and rapid system, we established a method that combined multiplex RT-PCR and microarray. We selected 15 clinically most frequently observed chromosomal rearrangements generating more than 50 fusion gene variants. Chimeric reverse primers and chimeric PCR primers containing both gene-specific and universal sequences were applied in the procedure of multiplex RT-PCR, and then the PCR products hybridized with a designed microarray. With this approach, among 200 clinic samples, 63 samples were detected to have gene rearrangements. All the detected fusion genes positive and negative were validated with RT-PCR and Sanger sequencing. Our data suggested that the RT-PCR-microarray pipeline could screen 15 partner gene pairs simultaneously at the same accuracy of the fusion gene detection with regular RT-PCR. The pipeline showed effectiveness in multiple fusion genes screening in clinic samples.

journal_name

Biomed Res Int

authors

Xiong FF,Li BS,Zhang CX,Xiong H,Shen SH,Zhang QH

doi

10.1155/2013/135086

subject

Has Abstract

pub_date

2013-01-01 00:00:00

pages

135086

eissn

2314-6133

issn

2314-6141

journal_volume

2013

pub_type

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