RAS-like proto-oncogene A (RALA)

RAS-like proto-oncogene A (RALA) encodes a small GTPase in the Ras family, functioning as a molecular switch that cycles between GDP-bound inactive and GTP-bound active states to regulate diverse cellular processes such as signal transduction from cell surface receptors, gene expression, cell migration, proliferation, oncogenic transformation, and membrane trafficking. It interacts with downstream effectors like the exocyst complex to control integrin-dependent exocytosis, LPAR1 receptor signaling, and mitochondrial fission during mitosis, while also supporting anchorage-independent growth in transformed cells and midbody stabilization in dividing cells. RALA is implicated in multiple cancers, including pancreatic, colorectal, bladder, and lung cancers, where its dysregulation promotes tumorigenesis, as evidenced by somatic mutations and overexpression links in cancer databases. Rare mutations in RALA are associated with Hiatt-Neu-Cooper neurodevelopmental syndrome and intellectual disability, highlighting its role in neurodevelopment. Despite its proto-oncogenic potential similar to other Ras proteins, no approved drugs directly target RALA, presenting opportunities and challenges in developing selective inhibitors amid its multifunctional signaling roles.

Other names

RAS-like protein ARas-related protein Ral-ARAL

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