PPP2R1A (Protein Phosphatase 2 Regulatory Subunit A) is a gene that encodes a regulatory subunit of protein phosphatase 2A (PP2A), which is a critical enzyme involved in various cellular processes, including cell growth, division, and apoptosis.
PP2A is considered a tumor suppressor, and its activity is often reduced in cancer cells.
PP2A and PPP2R1A are often used interchangeably in the literature, but technically, PP2A refers to the enzyme itself, while PPP2R1A refers to the gene that encodes one of the subunits of the enzyme.
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