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.
Cells that make serotonin use tryptophan hydroxylase, a chemical reactor which, when combined with tryptophan, forms 5-hydroxytryptamine, otherwise known as serotonin. As a neurotransmitter, serotonin helps to relay messages from one area of the brain to another.