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| Antigenic Specificity | HNP1-3, Human |
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| Clone | D21 |
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| Host Species | Mouse |
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| Reactive Species | human |
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| Isotype | IgG1 |
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| Format | biotin conjugate |
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| Size | 50 µg |
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| Concentration | 100 µg/ml |
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| Applications | frozen sections, FC, functional studies, immunoassay, IF, IP, paraffin sections, WB |
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| Reviews / Ratings | If you have used this antibody, please help fellow researchers by submitting reviews to pAbmAbs and antYbuddY. |
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| Description | Human neutrophil defensins (alpha-defensins) belong to the family of cationic trisulfide-containing microbicidal peptides. Besides microbicidal, the peptides exert chemotactic, immunomodulating and cytotoxic activity and participate in host defense and inflammation. Defensins are important effector molecules against enveloped viruses, bacteria, fungi and protozoa, and protein concentrations ranging from 0.5 to 5 µM were shown to kill a wide range of microbes in vitro. Defensins have the ability to attack susceptible microorganisms and destroy the structure of target cell membranes and. Several members of each defensin family were shown to act as microbicides against distinct Gramnegative and Gram-positive bacteria, as well as fungi and viruses in vitro. Azurophilic granules of neutrophils contain Human Neutrophil Peptide (HNP) 1-4, which are highly homologous. The three principal human defensins, HNP 1-3, are unique to neutrophils and account for about 99% of the total defensin content of these cells. Defensins HNP 1-3 are almost exclusively expressed in neutrophils, therefore it is considered a neutrophil cell marker. Measured amount of defensins is 3-5 microgram per million human neutrophils. When treated with HNP the outer membrane of Escherichia coli becomes permeable. This permeabilization furthermore coincided with the cessation of RNA, DNA and protein synthesis, and with a decreased bacterial viability 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. In normal plasma very low levels of HNP are present. Activation of polymorphonuclear leukocytes (PMN) in plasma, as occurs during clotting of blood, leads to a rapid release of HNP. Anti HNP 1-3 antibody clone D21 recognizes natural HNP 1-3 in biological solutions by means of ELISA in tissue sections and leukocyte smears fixed with ethanol, methanol/acetone or paraformaldehyde, in flow cytometry analysis of human neutrophils stained by cell permeabilization method and in Western-blotting (non-reduced). Furthermore the antibody is cross reactive with Rhesus monkey and cynomolgous macaques HNP1-3. |
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| Immunogen | n/a |
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| Other Names | α-defensins, HNP1-3 |
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| Gene, Accession # | n/a |
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| Catalog # | HM2059 |
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| Price | |
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| Order / More Info | HNP1-3, Human Antibody from HYCULT BIOTECH |
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| Product Specific References | n/a |
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