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Translocation (15;17) in acute promyelocytic leukemia in Germany
R Becher1, F Carbonell, D Kühn
1Innere Universitäts- und Poliklinik (Tumorforschung), West German Tumor Center Essen, Germany.
Cancer Genetics and Cytogenetics
|February 1, 1988
Summary
Cytogenetic analysis revealed the t(15;17) translocation in three of six acute promyelocytic leukemia cases in Germany. This indicates t(15;17) is a frequent, nonrandom anomaly in this leukemia subtype within the country.
Area of Science:
- Hematology
- Oncology
- Cytogenetics
Background:
- Acute promyelocytic leukemia (APL) is a subtype of acute myeloid leukemia.
- The t(15;17) translocation is a hallmark genetic abnormality in APL.
Purpose of the Study:
- To investigate the frequency and significance of the t(15;17) translocation in German APL patients.
- To confirm the nonrandom nature of this anomaly in acute nonlymphocytic leukemia type FAB M3.
Main Methods:
- Cytogenetic analysis of bone marrow samples.
- Study conducted across two independent cytogenetic laboratories in Germany.
- Case series involving six patients diagnosed with acute promyelocytic leukemia.
Main Results:
- The characteristic t(15;17) translocation was identified in 50% (3 out of 6) of the studied cases.
- The presence of t(15;17) was consistent across both laboratories.
- This finding supports t(15;17) as a recurrent genetic abnormality in this patient cohort.
Conclusions:
- The t(15;17) translocation is a frequent and nonrandom finding in acute promyelocytic leukemia (FAB M3) in Germany.
- These cytogenetic results underscore the importance of t(15;17) for APL diagnosis and classification.
- The study confirms the high incidence of this specific chromosomal abnormality in the German population.