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Z-DEVD-FMK (Caspase-3 Inhibitor)

Func, CC, BR, InhA Cell-permeable Z-DEVD-fluoromethylketone
Catalog No. ABIN2691058
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Quick Overview for Z-DEVD-FMK (Caspase-3 Inhibitor) (ABIN2691058)

Application

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

Chemical Name

Z-DEVD-fluoromethylketone

Permeability

Cell-permeable
  • Purpose

    A caspase-3 inhibitor

    Sequence

    Z-Asp(OMe)-Glu(OMe)-Val-Asp(OMe)-CH2F, Z-DEVD-FMK

    Characteristics

    Members of the caspase family play key roles in inflammation and mammalian apoptosis. Z-DEVD-FMK is an irreversible and cell permeable inhibitor of caspase-3. The peptide is O-methylated in the P1 position on aspartic acid providing enhanced stability and increased cell permeability. This inhibitor can be used to inhibit caspase-3 activity and to study events downsteam of caspase-3 activation. Z-DEVD-FMK has a molecular weight of 668 Daltons. Flow cytometric analysis of apoptosis in Jurkat cells (Human T-cell leukemia, ATCC TIB-152). Jurkat cells were preincubated with the following: no inhibitor (upper left and bottom left panels), 20 μM Z-DEVD-FMK (upper center and bottom center panels) or 20 μM of a negative control inhibitor Z-FA-FMK (upper right and bottom right panels) for 30 minutes, 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-3 inhibitor Z-DEVD-FMK reduced the level of apoptosis to that observed in untreated 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.

    Purification

    Purified

    Formula

    C₃₀H₄₁FN₄O₁₂

    Solubility

    DMSO
  • Comment

    BD Pharmingen™ Z-DEVD-FMK, Caspase-3 Inhibitor – Purified>br />Members of the caspase family play key roles in inflammation and mammalian apoptosis. Z-DEVD-FMK is an irreversible and cell permeable inhibitor of caspase-3. The peptide is O-methylated in the P1 position on aspartic acid providing enhanced stability and increased cell permeability. This inhibitor can be used to inhibit caspase-3 activity and to study events downsteam of caspase-3 activation. Z-DEVD-FMK has a molecular weight of 668 Daltons.

    Restrictions

    For Research Use only
  • Format

    Lyophilized

    Reconstitution

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

    Buffer

    Lyophilized in dimethyl sulfoxide (DMSO).

    Storage

    -20 °C

    Storage Comment

    Avoid multiple freeze-thaws of product. Store the lyophilized Z-DEVD-FMK inhibitor at -20°C. Reconstitute the Z-DEVD-FMK inhibitor in DMSO before use. The reconstituted Z-DEVD-FMK inhibitor may be stored in small aliquots at -20°C.
  • Schrantz, Blanchard, Auffredou, Sharma, Leca, Vazquez: "Role of caspases and possible involvement of retinoblastoma protein during TGFbeta-mediated apoptosis of human B lymphocytes." in: Oncogene, Vol. 18, Issue 23, pp. 3511-9, (1999) (PubMed).

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

  • Molecular Weight

    668 Da
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