hBD-3, b-Defensin-3, human - 0.1 mg
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| Description: | Defensins are small cysteine-rich cationic proteins found in both vertebrates and invertebrates. They have host defense properties, and are active against bacteria, fungi and many viruses. Beta-defensins are the most widely distributed, being secreted by leukocytes and epithelial cells of many kinds. This is a 5.1kDa 45-amino acid antimicrobial peptide called beta-Defensin-3 (hBD-3) having a beta sheet with three intramolecular disulfide bonds. It is expressed in high levels in keratinocytes and tonsilar tissue while expressed low in epithelia of the respiratory, gastrointestinal and genito-urinary tracts. Factors that induce its expression include TNF-alpha, IL-1beta and bacteria such as P. aeruginosa and S. aureus. hBD-3 is also potentially induced after exposure to IFN-gamma. In contrast to hBD-1, -2 and -4, hBD-3 demonstrates a salt-insensitive antimicrobial activity towards several pathogenic microorganisms at physiologic salt concentrations. This makes hBD-3 uniquely and particularly relevant in diseases where other hBDs show inactivity. The ability of hBD-3 to elicit its antimicrobial activity more effectively at the concentrations lower that those of hBD-1 and hBD-2 has been attributed to its amphipathic dimer structure and the increased positive surface charge (+9), compared to hBD-1 (+4) and hBD-2 (+6). hBD-3 has been shown to induce cytokine production from human keratinocytes and stimulates monocyte migration. |
| Order #: | ASP-AS-60741 |
| Unit Size: | 0.1 mg |
| Supplier: | AnaSpec |
| Restrictions: | Only available in Germany and selected European countries. |
| Shipping: | RT |
| Storage: | - 20 °C |
| Subcategory: | Peptides |
| More information: | Go to webpage |
450.00 € *
*All prices are net in Euro and do not include applicable taxes, shipping & handling, or other charges (e.g., customs duties).
Delivery time approx. 8 - 10 working days
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