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Updated: Aug 29, 2025
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Investigation of the Transcriptional Role of a RUNX1 Intronic Silencer by CRISPR/Cas9 Ribonucleoprotein in Acute Myeloid Leukemia Cells
Published on: September 1, 2019
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Amplification of RUNX1 in a Patient With AML
Rodrigo Hurtado1, Stalin Tello2, Juan Juarez2
1The International Circle of Genetics Studies, Los Angeles, CA.
Journal of the Association of Genetic Technologists
|September 7, 2022
Summary
This case study details a rare instance of acute myeloid leukemia (AML) with RUNX1 amplification in a 60-year-old patient. This genetic abnormality, often linked to poor prognosis, highlights the complexity of AML.
Area of Science:
- Hematology
- Oncology
- Genetics
Background:
- Acute myeloid leukemia (AML) is a complex blood cancer with diverse genetic underpinnings.
- RUNX1 amplification is a rare genetic event in AML, with limited reported cases, often associated with therapy-related AML and a poor prognosis.
Purpose of the Study:
- To describe a rare case of AML with RUNX1 amplification.
- To highlight the clinical presentation and diagnostic findings of this unusual AML subtype.
Main Methods:
- Case report of a 60-year-old patient presenting with symptoms of AML.
- Diagnostic workup included complete blood count, bone marrow examination, flow cytometry, chromosome analysis, and FISH studies.
- FISH analysis confirmed amplification of RUNX1, with five copies detected.
Main Results:
- The patient presented with severe anemia, thrombocytopenia, leukocytosis, and organomegaly.
- Bone marrow examination revealed 97% myeloid blasts.
- Genetic analysis identified isochromosome 21q and significant RUNX1 amplification.
Conclusions:
- RUNX1 amplification is an exceptionally rare finding in AML, particularly in non-therapy-related cases.
- This case underscores the importance of comprehensive genetic analysis in AML diagnosis and prognosis.
- Further research is needed to understand the implications of RUNX1 amplification in AML.
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