Tartrate-resistant acid phosphatase (TRAP)

Tartrate-resistant acid phosphatase (TRAP) is an enzyme found in various tissues, particularly in bone and immune cells. It plays a crucial role in breaking down phosphate compounds, which are important for many biological processes, including bone metabolism. TRAP is particularly noted for its resistance to tartrate, a substance that inactivates many other similar enzymes. Elevated levels of TRAP in blood tests can indicate certain health conditions, such as bone diseases or certain cancers, making it a useful biomarker for doctors in diagnosing and monitoring these conditions.