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Render Timestamp: 2024-11-01T10:17:34.831Z
Commit: 23cb9f61fe67e1e9093fd644a533c4ff516a6463
XML generation date: 2024-09-20 06:17:49.030
Product last modified at: 2024-07-29T13:15:29.895Z
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PDP - Template Name: siRNA
PDP - Template ID: *******aa36529

SignalSilence® SAPK/JNK siRNA I #6232

    Supporting Data

    REACTIVITY H
    Species Cross-Reactivity Key:
    • H-Human 

    Product Information

    Product Usage Information

    CST recommends transfection with 100 nM SAPK/JNK siRNA I 48 to 72 prior to cell lysis. For transfection procedure, follow protocol provided by the transfection reagent manufacturer. Please feel free to contact CST with any questions on use.

    Each vial contains the equivalent of 100 transfections, which corresponds to a final siRNA concentration of 100 nM per transfection in a 24-well plate with a total volume of 300 μl per well.

    Storage

    SignalSilence® siRNA is supplied in RNAse-free water. Aliquot and store at -20ºC.

    Product Description

    SignalSilence® SAPK/JNK siRNA I from Cell Signaling Technology (CST) allows the researcher to specifically inhibit SAPK/JNK expression by RNA interference, a method whereby gene expression can be selectively silenced through the delivery of double stranded RNA molecules into the cell. All SignalSilence® siRNA products from CST are rigorously tested in-house and have been shown to reduce target protein expression by western analysis.

    Quality Control

    Oligonucleotide synthesis is monitored base by base through trityl analysis to ensure appropriate coupling efficiency. The oligo is subsequently purified by affinity-solid phase extraction. The annealed RNA duplex is further analyzed by mass spectrometry to verify the exact composition of the duplex. Each lot is compared to the previous lot by mass spectrometry to ensure maximum lot-to-lot consistency.

    Background

    The stress-activated protein kinase/Jun-amino-terminal kinase SAPK/JNK is potently and preferentially activated by a variety of environmental stresses, including UV and gamma radiation, ceramides, inflammatory cytokines, and in some instances, growth factors and GPCR agonists (1-6). As with the other MAPKs, the core signaling unit is composed of a MAPKKK, typically MEKK1-MEKK4, or by one of the mixed lineage kinases (MLKs), which phosphorylate and activate MKK4/7. Upon activation, MKKs phosphorylate and activate the SAPK/JNK kinase (2). Stress signals are delivered to this cascade by small GTPases of the Rho family (Rac, Rho, cdc42) (3). Both Rac1 and cdc42 mediate the stimulation of MEKKs and MLKs (3). Alternatively, MKK4/7 can be activated in a GTPase-independent mechanism via stimulation of a germinal center kinase (GCK) family member (4). There are three SAPK/JNK genes each of which undergoes alternative splicing, resulting in numerous isoforms (3). SAPK/JNK, when active as a dimer, can translocate to the nucleus and regulate transcription through its effects on c-Jun, ATF-2, and other transcription factors (3,5).
    For Research Use Only. Not For Use In Diagnostic Procedures.
    Cell Signaling Technology is a trademark of Cell Signaling Technology, Inc.
    SignalSilence is a registered trademark of Cell Signaling Technology, Inc.
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