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產(chǎn)品名稱

HNP1-3, Human, Natural from HYCULT BIOTECH

產(chǎn)品貨號

HC4014

產(chǎn)品價(jià)格

現(xiàn)貨詢價(jià)，電話：010-67529703

產(chǎn)品規(guī)格

100 μg

產(chǎn)品品牌

HYCULT BIOTECH

產(chǎn)品概述

產(chǎn)品詳情

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Product Name	HNP1-3, Human, Natural
Description	Human neutrophil alpha-defensins (Human Neutrophil Peptides, HNP) belong to the family of cationic trisulfide-containing microbicidal peptides. Three highly homologous human defensins stored in azurophilic granules of polymorphonuclear leukocytes (PMN), HNP 1-3, account for about 5% of total PMN protein and comprise about 99% of the total defensin content of the neutrophils with traces of HNP-4. HNP-1, HNP-2 and HNP-3 are encoded by two genes DEFA1 and DEFA3 localized to chromosome 8. Number of gene copies substantially varies between individuals with complete lack of the DEFA3 allele in 10% subjects. DEFA1 and DEFA3 encode identical peptides except the conversion of the first amino acid from alanine in HNP-1 to aspartic acid in HNP-3; HNP-2 represent N-terminally truncated iso-form lacking the first amino acid. HNP 1-3 are capable to kill and/or inactivate a broad spectrum of bacteria, fungi or some enveloped viruses and have recently been shown to exert the anti-HIV activity produced by CD8+ T cells of HIVnonprogressors. HNP 1-3 have the potential to modulate immune response and inflammation by inducing the chemokine interleukin-8 (IL-8) in epithelial cells and modulating cytokine expression in several cell types and causing chemotaxis to monocytes, T cells and immature dendritic cells. Defensins are relatively resistant to proteolysis, low pH and boiling. Activation of neutrophils leads to rapid release of HNP. HNP can be measured in plasma and other body fluids during infection and inflammation. Micromolar concentrations of HNP are described in septic blood, while in normal plasma very low levels of HNP are present. (HNP 1-3 can be measured using Human Neutrophil Defensin 1-3 (HNP 1-3) ELISA, Cat. # HK317).
Size	100 μg
Concentration	>100 μg pure natural HNP 1-3, lyophilized from evaporated solvent containing no stabilizers or any substance other than HNP. Natural HNP represent natural mixture of HNP-1, HNP-2 and HNP-3 (average ratio 5:4:1) isolated from pooled azurophilic granules of neutrophils from healthy blood donors. The blood donors have been tested and found negative for various viruses (see table: ``Human blood test results''). Reconstitute the vial by injection of 1 ml LPS-free sterile 0.01% acetic acid in distilled or de-ionized water (Caution: vial is under vacuum). Tested for LPS < 1 ng/mg of HNP.
Applications	functional studies
Other Names	n/a
Gene, Accession, CAS #	n/a
Catalog #	HC4014
Price
Order / More Info	HNP1-3, Human, Natural from HYCULT BIOTECH
Product Specific References	n/a
產(chǎn)品資料

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