title: Multiplex RT-PCR for the detection of common BCR-ABL fusion transcripts in paraffin-embedded tissues from patients with chronic myeloid leukemia and acute lymphoblastic leukemia.
abstract: Diagnosis of chronic myeloid leukemia and acute lymphoblastic leukemia requires the investigation of the Philadelphia chromosome translocation t(9;22) or the molecular detection of BCR-ABL fusion transcripts. Determination of the type of fusion transcript is crucial for quantitative molecular monitoring the course of the disease during treatment. Histopathologists, who usually use formalin-fixed tissues, may be confronted with the need to investigate the BCR-ABL rearrangement when evaluating tumor forming infiltrates and bone marrow trephines from patients presenting with chronic myeloproliferative disorders. Therefore, we have established a one-tube multiplex RT-PCR for the detection of common BCR-ABL fusion transcripts (b2a2, b3a2, e1a2) in routinely processed tissues and bone marrow trephines with respect to the inevitable fragmentation of ribonucleic acids in these specimens. RT-PCR products allow distinct and unequivocal differentiation of the underlying fusion in either the Major- or minor-breakpoint cluster region. Detection of BCR-ABL fusion transcripts by multiplex RT-PCR in routinely processed and fixed tissues is a time- and cost-sparing tool for definite diagnosis of typical chronic myeloid leukemia and Philadelphia chromosome positive acute lymphoblastic leukemia.
authors.affiliation: Institute of Pathology, Medizinische Hochschule Hanover, Carl-Neuberg-Strasse 1, 30625 Hannover, Germany. Bock.Oliver@MH-Hannover.de
authors.forename: Oliver
authors.initials: O
authors.lastname: Bock
authors.forename: Dunja
authors.initials: D
authors.lastname: Reising
authors.forename: Hans
authors.initials: H
authors.lastname: Kreipe
mesh_terms: D001854:Bone Marrow Cells / Q000378:metabolism; D045744:Cell Line, Tumor; D017931:DNA Primers / Q000737:chemistry; D004273:DNA, Neoplasm / Q000032:analysis; D016044:Fusion Proteins, bcr-abl / Q000235:genetics* / Q000378:metabolism; D006801:Humans; D015464:Leukemia, Myelogenous, Chronic, BCR-ABL Positive / Q000235:genetics* / Q000378:metabolism / Q000473:pathology; D016612:Paraffin Embedding; D054198:Precursor Cell Lymphoblastic Leukemia-Lymphoma / Q000235:genetics* / Q000378:metabolism / Q000473:pathology; D012334:RNA, Neoplasm / Q000032:analysis; D020133:Reverse Transcriptase Polymerase Chain Reaction / Q000379:methods*; D012680:Sensitivity and Specificity
chemical_list: D017931:DNA Primers; D004273:DNA, Neoplasm; D012334:RNA, Neoplasm; D016044:Fusion Proteins, bcr-abl