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Proliferation and Differentiation of Murine Myeloid Precursor 32D/G-CSF-R Cells
Published on: February 21, 2018
Commonly dysregulated genes in murine APL cells.
Wenlin Yuan1, Jacqueline E Payton, Matthew S Holt
1Department of Medicine, Siteman Cancer Center, and Department of Pathology and Immunology, Washington University, St Louis, MO 63110, USA.
Blood
|September 30, 2006
Summary
Researchers identified commonly dysregulated genes in acute promyelocytic leukemia (APL) by comparing normal myeloid development with APL cells. Dysregulation occurred downstream during disease progression, suggesting common pathways in leukemia pathogenesis.
Area of Science:
- Hematology
- Molecular Biology
- Cancer Research
Background:
- Acute promyelocytic leukemia (APL) is a distinct subtype of myeloid leukemia.
- Understanding gene expression during normal myeloid development is crucial for identifying leukemia-specific alterations.
Purpose of the Study:
- To identify genes commonly dysregulated in a murine model of APL.
- To compare gene expression patterns between normal myeloid development and APL cells.
- To determine when gene dysregulation occurs during APL progression.
Main Methods:
- Serial gene expression profiling of murine hematopoietic progenitors undergoing myeloid maturation in vitro with G-CSF.
- Comparison of transcriptomes from normal myeloid development and APL cells derived from PML-RARalpha-expressing mice.
- Analysis of gene expression in preleukemic, early myeloid cells.
Main Results:
- Normal myeloid development exhibits reproducible gene expression patterns in developmental windows.
- 116 genes were reproducibly dysregulated in multiple independent APL samples.
- Commonly dysregulated genes were expressed normally in preleukemic cells, indicating downstream dysregulation during disease progression.
Conclusions:
- Gene dysregulation in APL occurs downstream during disease progression.
- Genetic events in APL progression may converge on common pathogenic pathways.
- Identifying these pathways can offer insights into leukemia pathogenesis.
