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|Section2= |Section3= }} NR58.3-14-3 is a cyclic peptide consisting of 11 D-amino acids. It is a broad-spectrum chemokine inhibitor and anti-inflammatory agent. ==Development from 'Peptide 3'== 'Peptide 3' is a 12-amino acid linear peptide corresponding to amino acids 51 to 62 of mature human chemokine CCL2. It is formed from L-amino acids with the sequence NH2-Glu-Ile-Cys-Ala-Asp-Pro-Lys-Gln-Lys-Trp-Val-Gln-OH (or in single letter code NH2-EICADPKQKWVQ-OH). 'Peptide 3' was found to be a Broad-Spectrum Chemokine Inhibitor inhibiting chemotaxis of human myelomonocytic cell line THP-1 monocytes and human neutrophils induced by a range of chemokines including CCL2, CCL3, CXCL8 and CXCL12 with roughly equal potency of 10μM, but not migration induced by other non-chemokine chemoattractants such as n-formyl-Met-Leu-Phe (fMLP) or TGF-β. Biotinylated 'Peptide 3' was found to bind to THP-1 cells with a disassociation constant of roughly 10μM. This suggested that 'Peptide 3' functions as a chemokine receptor antagonist. This mechanism was later proved to not be in action. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「NR58-3.14.3」の詳細全文を読む スポンサード リンク
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