Western blot data demonstrating successful knockdown of ErbB2 / Her2 by QX19.  Knockdown of protein greater than 70% relative to control in ErbB2 / Her2 overexpressing SKBR3 and BT474 cells  and wild type MCF7 cells (97% efficiency in MCF-7 cells) (SC = Scrambled Control (Product Number QC1), siRNA = QX19 treatment)
Western blot data demonstrating successful knockdown of ErbB2 / Her2 by QX19.  Knockdown of protein greater than 70% relative to control in ErbB2 / Her2 overexpressing SKBR3 and BT474 cells  and wild type MCF7 cells (97% efficiency in MCF-7 cells) (SC = Scrambled Control (Product Number QC1), siRNA = QX19 treatment)

TranslationBlocker Human ErbB2 / HER2 siRNA

$ 219.00$ 329.00
Please Select Product Options Below To View The Catalog Number.

Human ErbB2 / HER2 siRNA Translation Blocker™ Duplex

Product NumberDescriptionPrice
QX19-2nmol : 2-nmol: untagged $ 219.00
QX19-10nmol : 10-nmol: untagged $ 329.00
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Datasheets and Documentation
Product Datasheet
SKU: QX19-2nmol

Human ErbB2 / HER2 TranslationBlocker™ siRNA Duplex Product Attributes

Blocks transcription and translation of ErbB2 / HER2 from: Human.
May also react with ErbB2 / HER2 based upon sequence homology and clone specific publications.
Type of RNAi: siRNA.
siRNA target sequence: NM_004448.
Samples and cell lines tested: BT-474 Human Breast Carcinoma Cells, SkBr3 Human Breast Adenocarcinoma Cells, and MCF7 Human Breast Adenocarcinoma Cells.
Buffer and Stabilizer: Lyophilized. See datasheet for resuspension instructions and buffer information.
Concentration of Anti-Human ErbB2 / HER2: 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.
    ErbB2 / HER2 Knockdown Protocol:
    1. Starting with cultured cells in growth media seed 6 well plates with 3.5x105 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 TransIT-TKO for delivery of ErbB2 / Her2 siRNA prepared in accordance with manufacturer’s instructions.
    3. Dilute siRNA to working concentration in serum-free growth media. For TransIT-TKO 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 TransIT-TKO 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. The above data was generated with a 18 hour initial incubation.
    7. Wash cells and add complete growth 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. ErbB2 / Her2 knockdown at the protein level was measured at 72 hours post transfection via western blot.

ErbB2 / HER2 General Information

Gene Name: ERBB2
Entrez Gene ID: 2064
NCBI Ref Seq Accession Number: NP_004439
Uniprot ID:
ErbB2 / HER2 Molecular Weight:
Alternate Names: CD340, NGL, HER-2/neu, HER2, MLN 19, NEU, HER-2, TKR1, Receptor tyrosine-protein kinase erbB-2

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 ErbB2 / HER2 siRNA

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