Chemoattractant
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Inorganic or organic substances possessing chemotaxis inducer effect in motile cells. Effect of chemoattractants is elicited via described or hypothetic chemotaxis receptors, the chemoattractant moiety of a ligand is target cell specific and concentration dependent. Most frequently investigated chemoattractants are formyl peptides and chemokines. Chemorepellents are substances expressing advers migratory effect.
