| Description | WKYMVM 2TFA is a N-formyl peptide receptor (FPR1) agonist. |
| In vitro | 中性粒细胞通过FPRL1受WKYMVM激活,而FPRL2是一种在髓系细胞中传导信号的趋化性受体[1]。 |
| In vivo | 采集了28名急性白血病(AL)患者和31名健康对照者的血样,研究发现,在无外源性WKYMVM的情况下,AL患者与健康对照者之间的WKYMVM受体及其杀菌活性无差异。WKYMVM的添加显著以剂量依赖的方式增强了这些细胞的杀菌活性。在诱导化疗期间,无论是否存在1nM WKYMVM,杀菌活性均显著增加,完全缓解时的杀菌活性高于诊断时或第15天。在巩固化疗期间,WKYMVM对杀菌活性无影响。患者的TNF alpha、IL-1b、IL-6及IL-8浓度显著增加,但IL-2、IL-4及IL-12浓度显著减少。TNF alpha、IL-1b和IL-6与诊断时患者中性粒细胞的杀菌活性呈显著负相关,而IL-4与杀菌活性呈显著正相关,这些发现表明WKYMVM在AL患者中增强了杀菌活性。 |
| molecular weight | 1084.16 |
| Molecular formula | C45H63F6N9O11S2 |
| Storage | Powder: -20°C for 3 years | In solvent: -80°C for 1 year | Shipping with blue ice. |
| Solubility | DMSO: 55 mg/mL (50.73 mM) |
| References | 1. Christophe T , Karlsson A , Dugave C , et al. The Synthetic Peptide Trp-Lys-Tyr-Met-Val-Met-NH2 Specifically Activates Neutrophils through FPRL1/Lipoxin A4 Receptors and Is an Agonist for the Orphan Monocyte-expressed Chemoattractant Receptor FPRL2[J]. Journal of Biological Chemistry, 2001, 276(24):21585-21593. 2. Kim H , Noh E K , Lee E J , et al. Enhanced bactericidal function by WKYMVm in patients with acute leukemia[J]. Leukemia Research, 2008, 32(5):717-725. |