Related Experiment Video
Updated: Aug 11, 2026
07:38
Intracellular Phosphoflow Cytometry of Acute Myeloid Leukemia Patient-Derived Xenotransplants
Published on: June 6, 2025
Gene expression changes associated with progression and response in chronic myeloid leukemia
Jerald P Radich1, Hongyue Dai, Mao Mao
1Division of Clinical Research, Fred Hutchinson Cancer Research Center, Seattle, WA 98109, USA. jradich@fhcrc.org
Summary
Gene expression analysis reveals chronic myeloid leukemia (CML) progression is a two-step process, not three. Key pathways like WNT/beta-catenin and specific genes are implicated in advancing CML disease phases.
Area of Science:
- Hematology
- Molecular Biology
- Oncology
Background:
- Chronic myeloid leukemia (CML) is a stem cell disease with poorly understood progression.
- Understanding CML's biological basis is crucial for effective treatment.
Purpose of the Study:
- To investigate gene expression patterns in different CML phases.
- To elucidate the biological mechanisms driving CML progression.
Main Methods:
- DNA microarrays were used to analyze gene expression in 91 CML patient samples.
- Samples represented chronic, accelerated, and blast phases of the disease.
Main Results:
- Three thousand genes showed significant association with CML disease phase.
- CML progression appears to be a two-step process, with early changes in accelerated phase.
- Key pathways identified include WNT/beta-catenin, altered Jun B/Fos expression, and PRAME upregulation.
Conclusions:
- CML progression involves distinct gene expression shifts, suggesting a two-step model.
- Identified gene pathways offer potential prognostic markers and therapeutic targets for CML.
- Relapsed CML after imatinib treatment shows gene expression similar to advanced CML phases.
Related Concept Videos
02:07Tumor Progression
Tumor progression is a phenomenon where the pre-formed tumor acquires successive mutations to become clinically more aggressive and malignant. In the 1950s, Foulds first described the stepwise progression of cancer cells through successive stages.
Colon cancer is one of the best-documented examples of tumor progression. Early mutation in the APC gene in colon cells causes a small growth on the colon wall called a polyp. With time, this polyp grows into a benign, pre-cancerous tumor. Further...
Colon cancer is one of the best-documented examples of tumor progression. Early mutation in the APC gene in colon cells causes a small growth on the colon wall called a polyp. With time, this polyp grows into a benign, pre-cancerous tumor. Further...
01:15Differentiation of Common Myeloid Progenitor Cells
Common myeloid progenitors (CMPs) are oligopotent cells that can differentiate into granulocytes and macrophages. Granulocytes and macrophages are essential for protecting the body against bacterial, viral, or fungal infections. They migrate from the bone marrow into the circulating blood to reach specific tissue sites where they differentiate and help in immune surveillance. However, they survive only for a few days and must be continuously made available to the organism to maintain a robust...