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Updated: Jul 5, 2026

Proliferation and Differentiation of Murine Myeloid Precursor 32D/G-CSF-R Cells
Published on: February 21, 2018
Targeting Ras in myeloid leukemias
Benjamin S Braun1, Kevin Shannon
1Department of Pediatrics, University of California, San Francisco, CA 94143, USA. braunb@peds.ucsf.edu <braunb@peds.ucsf.edu>
Abstract:
Ras proteins normally relay growth-promoting signals from many activated cell surface receptors, and they are altered by oncogenic point mutations in approximately 30% of human cancers. Activating KRAS and NRAS mutations are especially common in malignancies of the pancreas, lung, and colon, and in myeloid leukemia. Here, we discuss general strategies for targeting hyperactive Ras signaling in cancer cells with specific reference to myeloid malignancies.
Insights
Ras proteins are crucial for cell signaling and are frequently mutated in cancers. This review explores strategies to target these mutations, particularly in myeloid malignancies.
Area of Science:
- Oncology
- Molecular Biology
- Cancer Genetics
Background:
- Ras proteins are key signal transducers activated by cell surface receptors.
- Oncogenic mutations in Ras genes occur in ~30% of human cancers.
- Activating KRAS and NRAS mutations are prevalent in pancreatic, lung, colon cancers, and myeloid leukemia.
Purpose of the Study:
- To review general strategies for targeting hyperactive Ras signaling in cancer.
- To focus on the application of these strategies in myeloid malignancies.
Main Methods:
- Literature review of Ras signaling pathways.
- Analysis of oncogenic mutations in KRAS and NRAS.
- Discussion of therapeutic approaches targeting Ras.
Main Results:
- Ras signaling is a critical pathway in cancer development.
- Specific Ras mutations drive various cancer types, including myeloid leukemia.
- Targeting Ras offers a promising therapeutic avenue.
Conclusions:
- Hyperactive Ras signaling presents a viable target for cancer therapy.
- Developing strategies to inhibit Ras is essential for treating cancers with Ras mutations.
- Further research into Ras-targeted therapies, especially for myeloid malignancies, is warranted.
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