Hepcidin, pro, Human, Control Peptide (Pro Hepc, LEAP, Hepatic Bactericidal Protein, Liver Expressed Antimicrobial Peptide)
Catalog No : USB-H2009-01A
417.25€
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| Product name | Hepcidin, pro, Human, Control Peptide (Pro Hepc, LEAP, Hepatic Bactericidal Protein, Liver Expressed Antimicrobial Peptide) | ||
|---|---|---|---|
| Catalog No | USB-H2009-01A | ||
| Supplier’s Catalog No | H2009-01A | ||
| Supplier | US Biologicals | ||
| Source antigen | Human synthetic peptide | ||
| Reactivity | |||
| Cross reactivity | Mouse, | ||
| Applications | |||
| Molecular weight | |||
| Storage | -20°C | ||
|---|---|---|---|
| Other names | |||
| Grade | Highly Purified | ||
| Purity | Highly purified | ||
| Form | Supplied as a liquid in PBS, pH 7.2 | ||
| Reactivity life | 12 months | ||
| Note | For reserch purpose only | ||
| Purity | Highly purified | ||
| Description | An 11aa peptide sequence from the N-terminus of mouse Pro-HEPC. Sequences is 91% conserved in rat and 63% in human pro-HEPC. This sequence is removed from the mature 20-25 secreted forms of HEPC, so antibodies will not react with the secreted forms of HEPC. Hepcidin (Hepc, hepatic bactericidal protein) or LEAP (liver expressed antimicrobial peptide) is small, cysteine-rich peptide, antimicrobial peptide similar to defensins and thionins. Hepcidin (unprocessed, proprotein in mouse 83 aa, rat/human 84 aa) are almost exclusively produced in liver. Human hepcidin is produced from 84-aa precursor, including a putative 24-aa signal peptide. The signal peptide is cleaved to produce pro-HEPC, which is further processed to generate the mature secreted form of hepcidin (C-terminal 20, 22 or 25-aa HEPC). In humans, 20-aa and 25-aa appears to be the major HEPC secreted peptides with antimicrobial activities. The three secreted HEPC alternatively spliced HEPC peptides differ at the N-terminus. The link between hepcidins and iron metabolism is that hepcidin expression is abolished in mice exhibiting iron-overload due to the targeted disruption of USF2 (upstream stimulatory factor 2) gene resembling the situation in hfe-/- mice. The human gene is located at chromosome 19, in close proximity with Usf2 gene. Hepcidin levels are increased in iron loading and in beta-2 microglobulin knockout mice. Hepcidins are devoid of IRE. Like other antimicrobial peptides, hepcidin is up-regulated by lipopolysaccharides (LPS). Control peptide, because of its small size (2-3kD), is not recommended for Western. It should be used in ELISA or antibody blocking (use 5-10ug control peptide per 1ug of IgG or 1ul of antiserum) experiments to demonstrate antibody specificity. Full length, human 25-aa, 20-aa HEPC and mouse 25-aa HEPC are also available for various studies. Storage and Stability: May be stored at 4°C for short-term only. For long-term storage, store at -20°C. Aliquots are stable for at least 6 months at -20°C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer. | ||
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