Hello Melissa, I understand the need to research and budget for a Walt Disney World trip, and using your Disney Dining Plan to help is a wonderful way, to... Skip to content Back to Your Answers Close
Tryptase (EC 3.4.21.59, ) is the most abundant secretory granule-derived serine proteinase contained in mast cells and has been used as a marker for mast cell activation.
The test measures the activity of an enzyme Î±-N-acetylgalactosaminidase (nagalase) in blood. Nagalase is an extracellular matrix-degrading enzyme that is secreted by cancerous cells in the process of tumor invasion.It is also an intrinsic component of the envelope protein of various virions, such as HIV and the influenza virus.agalase is an extracellular matrix-degrading enzyme that is secreted by cancerous cells in the process of tumor invasion. It is also an intrinsic component of the envelope protein of various virions, such as HIV and the influenza virus.