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The NRAS gene plays a critical role in regulating cell division and growth. Mutations in this gene are often found in various types of cancers, including melanoma, leukemia, and colorectal cancer. These mutations make the NRAS protein constitutively active, which can lead to uncontrolled cell growth and proliferation. Knowing the NRAS mutation status can be essential for treatment planning, as it may guide clinicians in selecting targeted therapies or evaluating prognosis. The presence or absence of NRAS mutations can serve as a diagnostic marker and may influence treatment decisions, including the use of targeted molecular therapies.