Histamine
Histamine is a small molecule secreted bymast cells. When specific ligands bind to receptors on the mast cell surface it is released in response. Histamine causes the symptoms associated with allergic reactions such as sneezing and itching [1].
References
- ↑ Alberts B, Johnson A, Lewis J, Raff M, Roberts K, Walter P. (2008), Molecular Biology of the Cell, 5th edition, New York: Garland Science.