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HLF1-11

更新时间:2024-01-02 15:00:46

HLF1-11结构式
HLF1-11结构式
品牌特惠专场
常用名 HLF1-11 英文名 HLF1-11
CAS号 183623-03-2 分子量 N/A
密度 N/A 沸点 N/A
分子式 N/A 熔点 N/A
MSDS N/A 闪点 N/A

 HLF1-11用途


HLF1-11是一种人乳铁蛋白衍生肽,是一种广谱抗菌剂。HLF1-11抑制人MPO活性。HLF1-11还引导GM CSF驱动的单核细胞向巨噬细胞分化,并增强免疫应答[1][2]。

 HLF1-11名称

英文名 Human lactoferrin peptide 1-11

 HLF1-11生物活性

描述 HLF1-11是一种人乳铁蛋白衍生肽,是一种广谱抗菌剂。HLF1-11抑制人MPO活性。HLF1-11还引导GM CSF驱动的单核细胞向巨噬细胞分化,并增强免疫应答[1][2]。
相关类别
体外研究 在粒细胞-巨噬细胞集落刺激因子(GM-CSF)驱动的单核细胞分化过程中,hLF1-11(1、10和100μg/mL)引导单核细胞向巨噬细胞亚群分化[2]。hLF1-11(0.5-250μg/mL)抑制人MPO活性[3]。hLF1-11(100μg/mL,90分钟)抑制单核细胞中LPS诱导的ROS诱导[3]。hLF1-11(8-34μ。
体内研究 hLF1-11(20 mg/kg,注射到清创的胫骨腔中)在兔子中显示出抗MRSA骨髓炎的能力[4]。hLF1-11(40μg/kg,静脉注射)对感染白色念珠菌的小鼠具有活性[6]。动物模型:接种CFU MRSA的兔子[4]剂量:20 mg/kg给药:注射到清创的胫骨腔内结果:与对照组相比,细菌负荷减少,放射学和组织病理学评分降低。动物模型:中性粒细胞减少小鼠经静脉注射白色念珠菌,剂量:40μg/kg给药:静脉注射(i.v)结果:感染小鼠血清TNFα和IL-6降低。
参考文献

[1]. Marty Wulferink, et al. The Peptide hLF1-11 as Broad Spectrum Antmicrobial Prophylaxis in HSCT Patients. Blood (2005) 106 (11): 3241.

[2]. van der Does AM, et al. Antimicrobial peptide hLF1-11 directs granulocyte-macrophage colony-stimulating factor-driven monocyte differentiation toward macrophages with enhanced recognition and clearance of pathogens. Antimicrob Agents Chemother. 2010 Feb;54(2):811-6.

[3]. van der Does AM, et al. The human lactoferrin-derived peptide hLF1-11 exerts immunomodulatory effects by specific inhibition of myeloperoxidase activity. J Immunol. 2012 May 15;188(10):5012-9.

[4]. Faber C, et al. Comparable efficacies of the antimicrobial peptide human lactoferrin 1-11 and gentamicin in a chronic methicillin-resistant Staphylococcus aureus osteomyelitis model. Antimicrob Agents Chemother. 2005 Jun;49(6):2438-44.

[5]. Lupetti A, et al. Candidacidal activities of human lactoferrin peptides derived from the N terminus. Antimicrob Agents Chemother. 2000 Dec;44(12):3257-63.

[6]. upetti A, et al. Human lactoferrin-derived peptide's antifungal activities against disseminated Candida albicans infection. J Infect Dis. 2007 Nov 1;196(9):1416-24.

 HLF1-11物理化学性质

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