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SERPINB9 (Serpin B9, Cytoplasmic Antiproteinase 3, CAP-3, CAP3, Peptidase Inhibitor 9, PI-9, PI9)

SERPINB9 (Serpin B9, Cytoplasmic Antiproteinase 3, CAP-3, CAP3, Peptidase Inhibitor 9, PI-9, PI9)

Cat no: S1000-89D

Supplier: United States Biological
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Mouse Spi-6, also known as serpin B9, is a cytoplasmic serine protease inhibitor of ~42kD. Spi-6 is expressed in dendritic cells, lymphocytes and specific cell types at immune- privileged sites. It inactivates granzyme B, a natural occurring inducer of programmed cell death. As such, Spi-6 functions as anti-apoptotic protein. In cytotxic T cells (CTL), Spi-6 is required to protect clonal bursts (expansion) from granzyme B induced cell death. However, it is not required for the development of memory cells. Expression of SPI-6 is of crucial importance in the escape of several tumors from a CTL response and is, therefore, a parameter that influences the feasibility of CTL-mediated immunotherapy of cancer. Applications: Suitable for use in Western Blot and Flow Cytometry. Other applications not tested. Recommended Dilution: Flow Cytometry: 1:50 Western Blot: 1:50 Optimal dilutions to be determined by the researcher. Storage and Stability: May be stored at 4 degrees C for short-term only. Aliquot to avoid repeated freezing and thawing. Store at -20 degrees C. Aliquots are stable for 12 months. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap.
Catalogue number: S1000-89D
Reactivities: Mouse
Hosts: Rabbit
Applications: Flow Cytometry, Western Blot
Size: 100ug
Form: Supplied as a liquid in PBS, 0.1% BSA, 0.02% sodium azide.
P type: Pab
Isotype: IgG
Purity: Purified by Protein A affinity chromatography.
References: 1. Zhang, M et al; Differential survival of cytotoxic T cells and memory cell precursors. J Immunol 2007, 178: 3483. 2. Zhang, M et al; Serine protease inhibitor 6-deficient mice have increased neutrophil immunity to Pseudomonas aeruginosa. J Immunol 2007, 179: 4390.
Additional info: Recognizes mouse Spi-6.

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