Enzyme Immunoassay (EIA)
Substance P is a normal component of the central and peripheral nervous systems, where it appears to act as a neurotransmitter. Pharmacological effects of substance P include excitation of spinal motoneurons, vasodilation, and stimulation of salivary and pancreatic secretion.
2 - 20 days
- SUBSTANCE P, PLASMA OR SERUM
Collect specimen in an SST tube. Centrifuge and aliquot serum into a plastic vial. Freeze.
Test sent to Mayo Medical Laboratories; performed by Cambridge Biomedical.