Flow Cytometry data demonstrating successful knockdown of ErbB3 / Her3 24 hours after treatment with QX20 siRNA (SC = Scrambled Control (Product Number QC1), siRNA = QX20 treatment)
Flow Cytometry data demonstrating successful knockdown of ErbB3 / Her3 24 hours after treatment with QX20 siRNA (SC = Scrambled Control (Product Number QC1), siRNA = QX20 treatment)

TranslationBlocker Human ErbB3 / HER3 siRNA

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Human ErbB3 / HER3 siRNA Translation Blocker™ Duplex

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Product Datasheet
SKU: QX20-2nmol

Human ErbB3 / HER3 TranslationBlocker™ siRNA Duplex Product Attributes

Blocks transcription and translation of ErbB3 / HER3 from: Human.
May also react with ErbB3 / HER3 based upon sequence homology and clone specific publications.
Type of RNAi: siRNA.
siRNA target sequence: NM_001982.
Samples and cell lines tested: Kas-6/1 cells.
Buffer and Stabilizer: Lyophilized. See datasheet for resuspension instructions and buffer information.
Concentration of Anti-Human ErbB3 / HER3: Lyophilized
SiRNA Purification Method:RPC/HPLC
Storage Conditions: Store Lyophilized siRNA duplex at 4C. Reconsituted product may be stored at -20C for up to 1 month.
    ErbB3 / HER3 Knockdown Protocol:
    1. Starting with cultured cells in growth media seed 6 well plates with 1x105 cells and incubate at 37°C.
    2. Prepare transfection reagent in serum-free growth media such as Opti-MEM-I. Allow to come to room temperature. The above data was generated with electroporation of cells for delivery of ErbB3 / Her3 siRNA prepared in accordance with manufacturer’s instructions (20ms/285V). Transfections using other methods such as Oligofectamine may be preferable to avoid additional equipment requirements and so will be described instead.
    3. Dilute siRNA to working concentration in serum-free growth media. For Oligofectamine or similar transfections into 6 well plates, we recommend starting siRNA concentration optimization at around 75-100 pmol siRNA duplex in 200 ul of serum free media.Optimal dilution should be experimentally determined.
    4. Combine diluted siRNA and transfection reagent. Equivalent volumes of prepared Oligofectamine or other transfection reagent and diluted siRNA should be combined and incubated at room temperature for 30 minutes with gentle mixing (optional).
    5. Add prepared siRNA solution to cells. For 6 well plates this will entail adding the solution to cells in approximately 2.5 ml serum-free media. Additionally, FITC labeled control siRNA (Product Number QC-1F) or positive control siRNA (Beta-Actin; Product Number QC-2) may be used to assess transfection efficiency.
    6. Incubate for several hours in serum free media. Manufacturer protocols generally specify a minimum of a 4 hour initial incubation.
    7. Add serum containing media to culture without a media change. Generally 1-2 fold of the original volume of siRNA containing serum free media is added to restore nutrient levels in media.
    8. Incubate and assay several hours after transfection. Optimal knockdown time should also be experimentally determined. Optionally, a second transfection can be performed 24 hours after the first transfection to enhance knockdown. ErbB3 / Her3 knockdown at the protein level was measured at 24 hours post transfection via western blot. Additional studies have demonstrated optimal knockdown at longer timepoints (72 hours).

ErbB3 / HER3 General Information

Gene Name: ERBB3
Entrez Gene ID: 2065
NCBI Ref Seq Accession Number: NP_001973
Uniprot ID:
ErbB3 / HER3 Molecular Weight:
Alternate Names: HER3, c-erbB-3, LCCS2, MDA-BF-1, c-erbB3, erbB3-S, ErbB-3, p180-ErbB3, p45-sErbB3, p85-sErbB3

Limitations and Warranty

This product is for Research Use Only. This product is guaranteed to work for a period of two years when stored at -70C or colder, and one year when aliquoted and stored at -20C.

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TranslationBlocker Human ErbB3 / HER3 siRNA

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