推荐产品
生物源
human
重組細胞
expressed in E. coli
形狀
lyophilized
分子量
~5 kDa
包裝
pkg of 20 μg
儲存條件
avoid repeated freeze/thaw cycles
雜質
endotoxin, tested
NCBI登錄號
運輸包裝
wet ice
儲存溫度
−20°C
基因資訊
human ... DEFB103A(414325)
一般說明
β-defensin-3 (BD-3) is an anti-microbial peptide produced by airway epithelial cells, lung-derived epithelial cells and keratinocytes. It has a molecular weight of 5kDa. The gene encoding this protein is localized on human chromosome 8p23.1. Recombinant human β-defensin-3 (BD-3) is an antimicrobial peptide, which belongs to the distinct family of β-defenisns. Recombinant human BD-3 is a 5.1 kDa protein containing 45 amino acid residues.
Chemical structure: peptide
生化／生理作用
β-defensin-3 (BD-3) associates with bacterial products which reduce the effect of inflammatory cytokine responses. The protein has been shown to stimulate the production of interferon-α and activate monocytes through toll-like receptors 1 and 2. It antagonizes the activation of C-X-C motif chemokine receptor 4 (CXCR4).
外觀
Sterile filtered and lyophilized with no additives.
重構
Centrifuge the vial prior to opening. Avoid freeze-thaw cycles.
Reconstitute in 10 mM Acetic acid to a concentration of 0.1-1.0 mg/mL. This solution can then be diluted into other aqueous buffers.
儲存類別代碼
11 - Combustible Solids
水污染物質分類（WGK）
WGK 3
閃點（°F）
Not applicable
閃點（°C）
Not applicable
Jeffrey P Meisch et al.
Inflammatory bowel diseases, 19(5), 942-953 (2013-03-21)
Antimicrobial peptides (AMPs) maintain a sterile environment in intestinal crypts, limiting microbial colonization and invasion. Decreased AMP expression is proposed to increase the risk for inflammatory bowel disease. Expression and function of inducible AMPs, human β-defensin 2 and 3 (hBD-2
Edward J Hollox et al.
Nature genetics, 40(1), 23-25 (2007-12-07)
Psoriasis is a common inflammatory skin disease with a strong genetic component. We analyzed the genomic copy number polymorphism of the beta-defensin region on human chromosome 8 in 179 Dutch individuals with psoriasis and 272 controls and in 319 German
J Harder et al.
The Journal of biological chemistry, 276(8), 5707-5713 (2000-11-22)
The growing public health problem of infections caused by multiresistant Gram-positive bacteria, in particular Staphylococcus aureus, prompted us to screen human epithelia for endogenous S. aureus-killing factors. A novel 5-kDa, nonhemolytic antimicrobial peptide (human beta-defensin-3, hBD-3) was isolated from human
Stefanie Scharf et al.
Respiratory research, 11, 93-93 (2010-07-10)
Legionella pneumophila is an important causative agent of severe pneumonia in humans. Human alveolar epithelium and macrophages are effective barriers for inhaled microorganisms and actively participate in the initiation of innate host defense. The beta defensin-3 (hBD-3), an antimicrobial peptide
Poonam Tewary et al.
Journal of immunology (Baltimore, Md. : 1950), 191(2), 865-874 (2013-06-19)
Alarmins are a group of structurally diverse host defense antimicrobial peptides that are important immune activators. In this article, we present a novel role for two potent alarmins, human β-defensin 2 and 3 (HBD2 and 3), in promoting IFN-α production
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