284040-76-2

Ac9-25, a N-terminal peptide of Annexin I, acts as a formyl peptide receptor (FPR) agonist and activates the neutrophil NADPH oxidase through FPR[1][2].

[1] Walther A, et al. A novel ligand of the formyl peptide receptor: annexin I regulates neutrophil extravasation by interacting with the FPR. Mol Cell. 2000;5(5):831-840. DOI:10.1016/s1097-2765(00)80323-8
[2] Karlsson J, et al. Neutrophil NADPH-oxidase activation by an annexin AI peptide is transduced by the formyl peptide receptor (FPR), whereas an inhibitory signal is generated independently of the FPR family receptors. J Leukoc Biol. 2005;78(3):762-771. DOI:10.1189/jlb.0305153