Non disponible en dehors du Royaume-Uni et de l'Irlande
Amino Acid Sequence
Arg-Pro-Lys-Pro-Gln-Gln-Phe-Phe-Gly-Leu-Met-NH2
Application
Substance P acetate salt hydrate has been:used as a neurokinin 1 (NK1) receptor agonist for the activation of spinal nociceptive circuitry in miceadministered in central nucleus (ACE) in rat to study its positive reinforcing effectsused as an inhibitor of myosin light chain kinase in isolated lymphatic vessels from rat
Substance P acetate salt hydrate has been used in competition binding assays.
Biochem/physiol Actions
NK-1 agonist; potent vasodilator and hypotensive agent; induces salivation; increases capillary permeability; induces mast cell degranulation; putative neurotransmitter in sensory (pain) afferents.
Substance P has proinflammatory effects on epithelial and immune cells. It has been associated with inflammatory diseases related to gastrointestinal and respiratory systems. Substance P modulates contractility of smooth muscles, transport of ions in the epithelium, vascular permeability and immune functions in the gut.
General description
Substance P is a small peptide produced by macrophages, lymphocytes, eosinophils, dendritic cells and nerves. It is part of the neurokinin group.
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