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Perforin Monoclonal Antibody (eBioOMAK-D), eBioscience™, Invitrogen™

Rat Monoclonal Antibody

£138.00 - £354.00

Specifications

Antigen Perforin
Clone eBioOMAK-D
Concentration 0.5 mg/mL
Applications Western Blot
Classification Monoclonal
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Products 2
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Product Code Brand Quantity Price Quantity & Availability  
15278167
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Affymetrix eBioscience
14-9392-82
100 μg
£354.00
100µg
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15268167
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Affymetrix eBioscience
14-9392-80
25 μg This item is currently unavailable or has been discontinued.
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Description

Description

Description: The eBioOMAK-D antibody reacts with mouse perforin (pore-forming protein, pfp, Prf). Perforin is one of the cytolytic mediators present in the cytoplasmic granules of cytotoxic T lymphocytes (CTL) and natural killer cells (NK). Perforin is involved in the killing function by CTLs and NKs and has an important role in the immune response against tumors and virus infections. By immunobloting, eBioOMAK-D recognizes a ∽70kDa band in lysates of CTLL-2 mouse cytotoxic cell line and in lysates of IL-2 stimulated but not unstimulated mouse splenocytes. By multi-color intracellular flow cytometric analysis, eBioOMAK-D staining is increased upon stimulation (IL-2 or anti-CD3/28). Intracellular flow staining results showing upregulation of protein expression have been confirmed by immunoblotting. Furthermore, stimulated Perforin Knock-out (developed by Walsh) splenocytes do not stain with eBioOMAK-D nor is any protein detectable by western blotting with eBioOMAK-D as well as other anti-mouse perforin antibodies. Please note that the Kagi perforin knock-out mice may synthesize a truncated form of the protein which may be recognized by eBioOMAK-D. In IL-2 stimulated mouse splenocytes, NK cells (as determined by CD49b staining) contain perforin while CD8 cells contain little to none and can vary with culture conditions. This has been confirmed by staining and western blotting the two populations using both OMAK-D and P1-8 antibodies.

Perforin is one of the major cytolytic proteins of cytolytic granules. Perforin is a cytolytic mediator and is stored in and released by cytoplasmic granules. Moreover, perforin is involved in immune defense against tumors and virus infections as mediated by cytotoxic lymphocytes. Perforin is a 555 amino acid protein with a 21 amino acid signal peptide, and has a molecular weight of 70 to 75 kD. Perforin is a pore forming protein with a mechanism of transmembrane channel formation similar to C9, and homology between perforin and C9 have been demonstrated. Studies show that perforin is expressed only in killer cell lines and not in helper T lymphocytes or other tumor cells tested. Perforin is known to be a key effector molecule for T-cell- and natural killer-cell-mediated cytolysis. Defects in the perforin gene cause familial hemophagocytic lymphohistiocytosis type 2 (HPLH2), a rare and lethal autosomal recessive disorder of early childhood. Alternative splicing results in multiple transcript variants of perforin.
Specifications

Specifications

Perforin
0.5 mg/mL
Monoclonal
Liquid
RUO
P10820
IgG2a κ
Affinity chromatography
Antibody
eBioOMAK-D
Western Blot
Unconjugated
Rat
Mouse
18646
Primary
4° C
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SDS
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