Product DetailsRecommended AssayReferencesDescriptionThe primary mechanism by which cytotoxic T cells eliminate virally infected cells is by granule exocytosis. The release of cytotoxic granule contents by cytotoxic T lymphocytes (CTL) triggers apoptotic target cell death. CTL granules contain a poreforming protein, perforin, and a group of serine proteases called granzymes. In the classic model, perforins create holes in the target cell membrane, allowing entrance of the granzymes. Granzyme A and B are the predominant granzymes activated after CTL activation, but each act via an independent apoptotic pathway; granzyme B is activated immediately, while granzyme A acts hours later. The physiological substrates for granzyme A in the apoptotic pathwayhave not been identified. Studies involving mice which are deficient in both granzyme A and B suggest a model whereby the granzyme B pathway may have evolved as the major apoptotic pathway with the granzyme A pathway acting as a backup. Granzyme B has been shown to induce apoptosis and to cleave a number of substrates which are similar in specificity to those of the caspase family of proteinases. Granzyme B can cleave substrates, such as DNA-PKcs, and nuclear mitotic apparatus protein (NuMA). Furthermore, Granzyme B can also cleave substrates such as Bid and DFF45 in a caspase-independent fashion. However, further research is needed to delineate the exact role of caspases in cytotoxic T lymphocyte-induced apoptosis involving Granzyme B. Granzyme B migrates at approximately 32 kDa in SDS/PAGE. Clone 2C5/F5 recognizes human and rat granzyme B.Format FormatPurifiedSuggested Companion ProductsHRP Goat Anti-Mouse Ig RUO 1mLCat No: 554002 Resources & ToolsSpectrumViewerDownload MSDSDownload TDSPreparation and StorageStore undiluted at 4°C.The monoclonal antibody was purified from tissue culture supernatant or ascites by affinity chromatography.Product NoticesSince applications vary, each investigator should titrate the reagent to obtain optimal results.Caution: Sodium azide yields highly toxic hydrazoic acid under acidic conditions. Dilute azide compounds in running water before discarding to avoid accumulation of potentially explosive deposits in plumbing.Please refer to www.bdbiosciences.com/pharmingen/protocols for technical protocols.Western blot:Please refer to http://www.bdbiosciences.com/pharmingen/protocols/Western_Blotting.shtml Andrade F, Roy S, Nicholson D, Thornberry N, Rosen A, Casciola-Rosen L. Granzyme B directly and efficiently cleaves several downstream caspase substrates: implications for CTL-induced apoptosis. Immunity. 1998; 8(4):451-460.View referenceBarry M, Heibein JA, Pinkoski MJ, et al. Granzyme B short-circuits the need for caspase 8 activity during granule-mediated cytotoxic T-lymphocyte killing by directly cleaving Bid. Mol Cell Biol. 2000; 20(11):3781-3794.View referenceBeresford PJ, Xia Z, Greenberg AH, Lieberman J. Granzyme A loading induces rapid cytolysis and a novel form of DNA damage independently of caspase activation. Immunity. 1999; 10(5):585-594.View referencePinkoski MJ, Waterhouse NJ, Heibein JA, et al. Granzyme B-mediated apoptosis proceeds predominantly through a Bcl-2-inhibitable mitochondrial pathway. J Biol Chem. 2001; 276(15):12060-12067.View referenceRotonda J, Garcia-Calvo M, Bull HG, et al. The three-dimensional structure of human granzyme B compared to caspase-3, key mediators of cell death with cleavage specificity for aspartic acid in P1. Chem Biol. 2001; 8(4):357-368.View referenceSharif-Askari E, Alam A, Rheaume E, et al. Direct cleavage of the human DNA fragmentation factor-45 by granzyme B induces caspase-activated DNase release and DNA fragmentation. EMBO J. 2001; 20(12):3101-3113.View referenceShresta S, Graubert TA, Thomas DA, Raptis SZ, Ley TJ. Granzyme A initiates an alternative pathway for granule-mediated apoptosis. Immunity. 1999; 10(5):595-605.View referenceTrapani JA, Smyth MJ, Apostolidis VA, Dawson M, and Browne KA. Granule serine proteases are normal nuclear constituents of natural killer cells. J Biol Chem. 1994; 269:18359-18365.View reference
BD是世界上最大的生产和销售医疗设备、医疗系统和试剂的医疗技术公司之一。致力于提高全世界人类的健康水平。BD专注于改进药物治疗，提高传染性疾病诊断的质量和速度，推进新型药物和疫苗的研究与发现。BD公司具有强大的研发能力和世界上最棘手的多种疾病进行斗争的能力。公司于1897年在纽约成立，总部位于美国新泽西州的富兰克林湖，业务遍及全球。公司的业务可分为BD医疗、BD诊断、BD生物科学三大类，生产销售包括医用耗材、实验室仪器、抗体、试剂、诊断等产品。公司的服务对象包括医疗机构，生命科学研究所，临床实验室，工业单位和普通大众。
BD has state-of-the-art facilities around the globe that provide an environment that enables our highly talented workforce to be the best at their professions. We hire associates who have a passion and commitment to advancing the world of health. We are always seeking great people to join our company on its journey to greatness.
BD
Rat Granulocytes Pure RP-1 500ug |
|
|
550002 | BD | Ms Ig Kpa Lgt Chain FITC 187.1 500ug |
550007 | BD | ICC Fixation Buffer 100mL |
550011 | BD | Ms CD210 NALE 1B1.3a 500ug |
550019 | BD | Ms CD51 Pure RMV-7 100ug |
550026 | BD | Ms CD5 APC 53-7.3 100ug |
550037 | BD | Hu CD62E PE-Cy5 68-5H11 100Tst |
550041 | BD | Hu CD95 Pure EOS9.1 100ug |
550052 | BD | Ham IgG2 Kpa ItCl FITC B81-3 250ug |
550057 | BD | Ms Crry/p65 Pure 1F2 100ug |
550059 | BD | Ms IL-4 Recom Protein 10ug |
550068 | BD | Ms IL-2 Recom Protein 20ug |
550070 | BD | Hu IL-6 Recom Protein 10ug |
550072 | BD | Hu MIP-1 Bta PE D21-1351 100ug |
550082 | BD | Ms IgG1 PE A85-1 100ug |
550084 | BD | Ham IgG2 Kpa ItCl PE B81-3 100ug |
550086 | BD | Hu CD142 Pure HTF-1 100ug |
550254 | BD | Hu CD1d PE CD1d42 100Tst |
550256 | BD | Hu CD73 PE AD2 100Tst |
550258 | BD | Hu CD103 FITC Ber-ACT8 100Tst |
550260 | BD | Ms CD11c APC HL3 100ug |
550268 | BD | Ms CD72b/c Aloatg PE JY/93 100ug |
550270 | BD | Rat CD32 Pure D34-485 500ug |
550272 | BD | Rat CD32 NALE D34-485 500ug |
550274 | BD | Ms CD3e IHC Pure 145-2C11 1mL |
550277 | BD | Ms CD4 IHC Pure H129.19 1mL |
550280 | BD | Ms CD8a IHC Pure 53-6.7 1mL |
