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merck millipore,默克密理博,FCCH100155,FlowCellect™ Human T Cell Caspase 8 Kit
产品名称:FlowCellect™ Human T Cell Caspase 8 Kit
产品型号:FCCH100155
This FlowCellectT Human T Cell Caspase 8 Kit for Flow Cytometry provides a simplified & rapid method to assess apoptosis based on Caspase 8 activity in sub-populations of T cells.
merck millipore,默克密理博,FCCH100155,FlowCellect™ Human T Cell Caspase 8 Kit
- 产品介绍
描述 产品目录编号 FCCH100155 商名 - FlowCellect
描述 FlowCellect™ Human T Cell Caspase 8 Kit 概述 Millipore’s FlowCellect™T Human T Cell Caspase 8 Kit provides a simplified and rapid method to assess apoptosis based on Caspase 8 activity in sub-populations of T cells. The CD4-PE/CD3-PECy5/CD8-APC cocktail consists of three anti-human antibodies and includes anti-human CD3, CD4 and CD8 antibodies which allow for T cell detection and identification. The CD3 antibody Anti-CD3 (Clone UCHT1), reacts with the ε-chain of the CD3 part of the TCR/CD3 complex. CD3 is a pan-T marker expressed by normal and neoplastic T cells and uniquely allows the identification of all T cell lymphocytes. The Anti-Human CD4 Antibody (Clone MT310) allows the identification of human helper/inducer CD4+ T cell (HLA Class II reactive) and recognizes a 55 kDa glycoprotein on the surface of CD4 T helper cells. Monocytes also express CD4 but at lower density, and have no co-expression of CD3 and hence can be distinguished away from CD4 T Cells when using this kit. The Anti-human CD8 antibody (Clone DK-25) allows the identification of CD8, a 68 kDa, disulfide linked transmembrane glycoprotein expressed by class I major histocompatibility complex restricted, mature suppressor/cytotoxic T cells, the great majority of cortical thymocytes and approximately 30% of medullary thymocytes. In addition a proportion of γδ T cells and NK cells express CD8. Inclusion of the Anti-CD3 antibody allows for the unique identification of the CD8 cytotoxic T Cells when using the kit.
Caspase 8 reagent is a fluorescent inhibitor of caspases and is membrane permeable. The Caspase 8 reagent (FAM-LETD-FMK) consists of 3 parts; a caspase-specific amino acid inhibitor containing a recognition sequence for caspase 8 (LETD), a fluoromethylketone moiety (FMK) that forms a covalent linkage with the active enzyme; and and a carboxyfluorescein (FAM) reporter. The Caspase 8 reagent binds to caspases which are activated during apoptosis with resulting fluorescent signal proportional to the number of active caspases in cell. Due to the presence of FAM reporter , caspase activity is observed in the green channel of flow cytometers. Thus, in apoptotic cells, due to the activation of Caspase 8 during the apoptotic process, there is increased green fluorescence observed due to the increased caspase activity in these cells.Alternate Names - Flow Cellect
背景信息 Apoptosis plays a critical role in development, regulation and functioning of the immune system and is also a contributor to the pathology of many immune diseases and disorders. Apoptosis provides the mechanism for deletion of autoreactive T cells in the thymus, low responsive B cells in the germinal center, and of target cells attacked by cytotoxic T lymphocytes and natural killer cells. The process of apoptosis is accompanied by multiple morphological, biochemical and physiological changes in response to specific induction signals. Among these are externalization of phosphatidylserine to the cell surface, cleavage and degradation of specific cellular proteins by activated enzymes such as caspases, compaction and fragmentation of nuclear chromatin, and loss of membrane integrity (in late stages).
Caspases are a family of cysteine proteases that play essential roles in apoptosis, necrosis, and inflammation. Caspases are typically expressed as inactive precursors which get activated during apoptosis and cleave substrates after specific aspartate residues. Caspase-8, is known to be an initiator caspase which triggers the activation of Caspase 3 by cleaving Pro-caspase 3 and is best known for its role in mediating cell death through death receptors such as CD95 (Fas/Apo1). However, in some cases caspase 8 can act more like an executioner caspase and functions as an amplifying effector mechanism of the mitochondrial caspase cascade getting activated subsequent to Caspase-3. In addition to its role in apoptosis, Caspase 8 has also been shown to be essential for T cell proliferation in response to antigenic or mitogenic stimuli. Besides its key role in the regulation of apoptosis, caspase-8 also has non-apoptotic properties, e.g. in the regulation of T cell homeostasis via control of IL-2 generation; in the control of differentiation and proliferation in the hematopoietic system and in the transduction of signals via the T cell receptor, B cell receptor, and Toll-like receptors and roles in cell migration and adhesion.产品信息 部件 - 5. Anhydrous DMSO (Part No. 4300-0160) One vial containing 0.5mL.
- 1. CD4-PE/CD3-PECy5/CD8-APC (Part No.4700-1420). One vial containing 1000 µL of Antibody Cocktail.
- 2. Caspase 8 FAM : (Part No. 4100-1370) One vial containing 100 tests worth of lyophilized material
- 3. 1X Assay Buffer BA: (Part No. 4700-1425) One vial containing 10 mL buffer.
- 4. 10X Apoptosis Wash Buffer (Part No. 4200-0162) One bottle containing 10 mL buffer.
检测方法 Fluorescent 应用 应用 This FlowCellectT Human T Cell Caspase 8 Kit for Flow Cytometry provides a simplified & rapid method to assess apoptosis based on Caspase 8 activity in sub-populations of T cells. 主要应用 - Flow Cytometry
生物信息 宿主 Mouse 品种反应性 Human 抗体类型 Monoclonal Antibody 产品使用声明 质量保证 Lot to lot in-process testing on all kit components 使用声明 - Unless otherwise stated in our catalog or other company documentation accompanying the product(s), our products are intended for research use only and are not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses or any type of consumption or application to humans or animals.
储存和货运信息 存储条件 4-8°C for antibodies and buffers 包装信息 数量 100 Tests / Kit
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