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AnaSpec Releases Rabbit Anti-human Cathelicidin LL-37 Polyclonal Antibody, Anti-LL-37 - Rabbit Anti-human Cathelicidin LL-37 polyclonal antibody was raised against a synthetic peptide from a sequence found within 134-170 amino acid residues (LL-37) of the LL-37 precursor human cationic antimicrobial protein, hCAP-18
AnaSpec Releases Rabbit Anti-human Cathelicidin LL-37 Polyclonal Antibody, Anti-LL-37

 

NewswireToday - /newswire/ - Fremont, CA, United States, 2011/07/11 - Rabbit Anti-human Cathelicidin LL-37 polyclonal antibody was raised against a synthetic peptide from a sequence found within 134-170 amino acid residues (LL-37) of the LL-37 precursor human cationic antimicrobial protein, hCAP-18.

   
 
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AnaSpec is pleased to announce the release of a new anti-LL-37. Rabbit Anti-human Cathelicidin LL-37 polyclonal antibody was raised against a synthetic peptide from a sequence found within 134-170 amino acid residues (LL-37) of the LL-37 precursor human cationic antimicrobial protein, hCAP-18 (GenBank accession # NP_004336.2). This antibody has been tested in ELISA, Western Blot and IHC. Species reactivity is towards human was confirmed by ELISA results. This polyclonal antibody is supplied as an epitope affinity purified rabbit IgG, 50 mg in 250 ml (0.2 mg/ml) of 40 mM MOPS buffer (pH 7.5) containing 0.1% BSA, 50% Glycerol, and 0.05% Sodium Azide.

Antimicrobial peptides are ancient and potent weapons of the innate immunity of all life forms (1–4). In mammals, defensins and cathelicidins are the two major families of antimicrobial peptides. While several cathelicidins were found in animals such as sheep, cow, and pig, only one cathelicidin was identified in humans (5). The precursor proteins of the cathelicidin family share a highly conserved N-terminal “cathelin” domain, but have a highly variable C-terminal antimicrobial region. Upon bacterial insult, human cathelicidin LL-37 (named based on the first two amino acids in the sequence followed by the number of residues in the peptide) is released by proteases from its precursor hCAP-18 (i.e. human cationic antimicrobial protein, ~18 kDa). The importance of this host defense peptide to human health is now firmly established. Patients lacking this molecule are more susceptible to infections (6). While cathelicidin knock-out mice are more readily infected (7), expression of additional cathelicidins protects the animals from infection (8). LL-37 also associates with lipopolysaccharides (or endotoxin) and protects rats from sepsis caused by bacteria (9). LL-37 is also reduced in cystic fibrosis airways as a result of direct interaction with DNA and filamentous F-actin (10).

Reference
1. Boman, H. G. (1995) Annu. Rev. Immunol.13, 61-92
2. Sambhara, S., and Lehrer, R. I. (2007) Expert Rev Anti Infect Ther.5, 1-5
3. Hancock, R. E. W. (2001) Lancet. Infect. Dis. 1, 156-164
4. Zasloff, M. (2002) Nature 415, 389-395
5. Zanetti, M. (2005) Curr. Issues Mol. Biol. 7, 179-196
6. Pütsep, K., et al. (2002) Lancet 360, 1144-1149
7. Nizet, V., et al. (2001) Nature414, 454-457
8. Lee, P.H., et al. (2005) Proc. Natl. Acad. Sci. U. S. A.102, 3750-3755
9. Cirioni, O., et al. (2006) Antimicrob. Agents Chemother. 50, 1672-1679
10. Bucki, R., et al. (2007) Eur. Respir. J.29, 624-632

About AnaSpec, EGT Group
AnaSpec, EGT Group (anaspec.com) is a leading provider of integrated proteomics and genomics solutionsTM for worldwide life science research. AnaSpec offers expertise in peptides, detection reagents, antibodies, assay kits, amino acids, oligonucleotides, and qPCRs. AnaSpec carries a broad product line of biochemicals and reagents for basic research, high-throughput screening and drug discovery. AnaSpec also provides premier custom services including peptide synthesis, antibody production, assay development, fluorescent dyes, and oligonucleotide synthesis. AnaSpec is certified to ISO 9001:2008.

 
 
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AnaSpec Releases Rabbit Anti-human Cathelicidin LL-37 Polyclonal Antibody, Anti-LL-37

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Publisher Contact: Tiffany Kao - AnaSpec.com 
510-791-9560
 
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