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Z-LEHD-FMK (Caspase-9 Inhibitor)

Func, CC, BR, InhA Cell-permeable Z-LEHD-fluoromethylketone
产品编号 ABIN2691061
发货至: 中国
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Quick Overview for Z-LEHD-FMK (Caspase-9 Inhibitor) (ABIN2691061)

应用范围

Functional Studies (Func), Cell Culture (CC), Blocking Reagent (BR), Inhibition Assay (InhA)

Chemical Name

Z-LEHD-fluoromethylketone

Permeability

Cell-permeable
  • 原理

    A caspase-9 inhibitor

    序列

    Z-Leu-Glu(OMe)-His-Asp(OMe)-CH2F (TFA salt), Z-LEHD-FMK

    产品特性

    Members of the caspase family play key roles in inflammation and mammalian apoptosis. Z-LEHD-FMK is an irreversible and cell permeable inhibitor of caspase-9. The peptide is O-methylated in the P1 position on aspartic acid providing enhanced stability and increased cell permeability. Z-LEHD-FMK can be used to inhibit primarily caspase-9 activity and to study events downsteam of caspase-9 activation. Z-LEHD-FMK has been reported to have a molecular weight of 804 Daltons. Flow cytometric analysis of apoptosis in Jurkat cells. Jurkat cells (Human T-cell leukemia, ATCC TIB-152) were preincubated with the following: no inhibitor (top and bottom left panels), 20 μM Z-LEHD-FMK (top and bottom center panels) or 20 μM control inhibitor, Z-FA-FMK (top and bottom right panels) for 30 min, and then either left untreated (bottom row) or treated with 4 μM of campthothecin for 3 hr (top row). Following incubation, cells were collected and stained with PE-Annexin V (Cat. No. 559763) to identify cells undergoing apoptosis. The results indicate that in campthothecin treated cells approximately 42 % of the cells were induced to undergo apoptosis and the use of the caspase-9 inhibitor Z-LEHD-FMK reduced the level of apoptosis to half of that level observed in treated controls. Cells treated with Z-FA-FMK (Cat. No. 550411) showed similar results to the treated cells without inhibitor, indicating that the control inhibitor did not attenuate apoptosis.

    纯化方法

    Purified

    Solubility

    DMSO
  • 说明

    BD Pharmingen™ Z-LEHD-FMK, Caspase-9 Inhibitor – Purified
    Members of the caspase family play key roles in inflammation and mammalian apoptosis. Z-LEHD-FMK is an irreversible and cell permeable inhibitor of caspase-9. The peptide is O-methylated in the P1 position on aspartic acid providing enhanced stability and increased cell permeability. Z-LEHD-FMK can be used to inhibit primarily caspase-9 activity and to study events downsteam of caspase-9 activation. Z-LEHD-FMK has been reported to have a molecular weight of 804 Daltons.

    限制

    仅限研究用
  • 状态

    Lyophilized

    溶解方式

    Reconstitute the inhibitor in DMSO before use. The reconstituted inhibitor may be stored in small aliquots at -20 °C.

    储存条件

    -20 °C

    储存方法

    Avoid multiple freeze-thaws of product. Z-LEHD-FMK, Caspase-9 Inhibitor is provided as a lyophilized powder. Store the lyophilized inhibitor at -20°C. Reconstitute the inhibitor in DMSO before use. The reconstituted inhibitor may be stored in small aliquots at -20°C.
  • Maccarrone, Lorenzon, Bari, Melino, Finazzi-Agro: "Anandamide induces apoptosis in human cells via vanilloid receptors. Evidence for a protective role of cannabinoid receptors." in: The Journal of biological chemistry, Vol. 275, Issue 41, pp. 31938-45, (2000) (PubMed).

    Thornberry, Lazebnik: "Caspases: enemies within." in: Science (New York, N.Y.), Vol. 281, Issue 5381, pp. 1312-6, (1998) (PubMed).

  • 分子量

    804 Da
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