The MAPK (Ras-Raf-MEK-ERK) pathway is a primary signaling conduit activated by Receptor Tyrosine Kinases (RTKs). Mutations in the RAS genes (HRAS, KRAS, NRAS) are among the most common in human cancers. These mutations lock RAS in its active GTP-bound state, leading to constitutive, RTK-independent activation of the entire MAPK cascade, driving uncontrolled proliferation.

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Zambia

• loveness Phiri – 1084 pts

• Visual Pathway Lesions
• Positive and Negative Symptoms
• Hallucinations and Delusions
• Antipsychotic Medications
• Emergency: Environmental Emergencies