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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Champlin, R. Sawyers, C. L. Clark, S. S. Witte, O. N. Timson, L. Kawasaki, E. S. |
| Description | Author Affiliation: Sawyers CL ( Department of Medicine, University of California, Los Angeles Center for the Health Sciences.); |
| Abstract | Relapse of chronic myelogenous leukemia after bone marrow transplantation can be detected by using clinical, cytogenetic, or molecular tools. A modification of the polymerase chain reaction can be used in patients to detect low levels of the BCR-ABL-encoded mRNA transcript, a specific marker for chronic myelogenous leukemia. Early detection of relapse after bone marrow transplantation could potentially alter treatment decisions. We prospectively evaluated 19 patients for evidence of molecular relapse, cytogenetic relapse, and clinical relapse after bone marrow transplantation. We used the polymerase chain reaction to detect residual BCR-ABL mRNA in patients followed up to 45 months after treatment (median, 15 months; range, 6-45 months) and found 4 patients with BCR-ABL mRNA expression following bone marrow transplantation. In 2 patients BCR-ABL mRNA was detected in all samples, and both have developed cytogenetic relapse. In 1 patient BCR-ABL mRNA was detected transiently during the first month after transplant but was undetectable thereafter. The fourth patient had BCR-ABL mRNA 6 months after bone marrow transplantation but not in prior samples. Fifteen patients did not express detectable BCR-ABL mRNA. All 19 patients remain in clinical remission. In this prospective study of chronic myelogenous leukemia patients treated with bone marrow transplantation, molecular relapse preceded cytogenetic relapse in those patients who persistently express BCR-ABL mRNA. We recommend using standard clinical and cytogenetic testing to make patient care decisions until further follow-up determines the clinical outcome of those patients with residual BCR-ABL mRNA transcripts detected by polymerase chain reaction. |
| ISSN | 00278424 |
| e-ISSN | 10916490 |
| Journal | Proceedings of the National Academy of Sciences of the United States of America |
| Issue Number | 2 |
| Volume Number | 87 |
| Language | English |
| Publisher | National Academy of Sciences |
| Publisher Date | 1990-03-01 |
| Publisher Place | United States |
| Access Restriction | Open |
| Subject Keyword | Tumor Markers, Biological Bone Marrow Transplantation Fusion Proteins, Bcr-abl Genetics Leukemia, Myelogenous, Chronic, BCR-ABL Positive Surgery Nucleic Acid Amplification Techniques Polymerase Chain Reaction RNA, Messenger Blast Crisis Diagnosis Follow-Up Studies Pathology Molecular Sequence Data Oligonucleotide Probes Recurrence Research Support, Non-U.S. Gov't Research Support, U.S. Gov't, P.H.S. Multidisciplinary |
| Content Type | Text |
| Resource Type | Article |
| Subject | Multidisciplinary |
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