Western blot data demonstrating successful knockdown of Estrogen Receptor (ER) by QX15 at 72 hrs post transfection (SC = Scrambled Control (Product Number QC1), siRNA = QX15 treatment)
Western blot data demonstrating successful knockdown of Estrogen Receptor (ER) by QX15 at 72 hrs post transfection (SC = Scrambled Control (Product Number QC1), siRNA = QX15 treatment)

TranslationBlocker Rat Estrogen receptor siRNA – DISCONTINUED

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

Rat Estrogen receptor siRNA Translation Blocker™ Duplex

Product NumberDescriptionPrice
QX15-2nmol Size: 2 nmol, Tag: Untagged (Native Protein) $ 219.00
QX15-10nmol Size: 10 nmol, Tag: Untagged (Native Protein) $ 329.00
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Datasheets and Documentation
Product Datasheet
Certificate of Analysis and Tags (Coming Soon)
Lot Number:

Expiration Date:

Concentration (Write Lyophilized if Lyophilized):

Reconsitution Instructions (Leave Blank if Liquid):

Manufacture Date:


Bioactivity (test results eg. IU/ml):

SKU: QX15-2nmol

DISCONTINUED: Rat Estrogen receptor TranslationBlocker™ siRNA Duplex Product Attributes

Blocks transcription and translation of Estrogen receptor from: Rat.
May also react with Estrogen receptor based upon sequence homology and clone specific publications.
Type of RNAi: siRNA.
siRNA target sequence: NM_012689.
Samples and cell lines tested: Rat Primary Osteoblasts.
Buffer and Stabilizer: Lyophilized. See datasheet for resuspension instructions and buffer information.
Concentration of Anti-Rat Estrogen receptor: 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.
Estrogen receptor Knockdown Protocol:
    1. Starting with cultured cells in growth media seed 12 well plates with 1x104 cells and incubate at 37°C for 48 hrs.
    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 siPORT for delivery of Estrogen Receptor (ER) siRNA prepared in accordance with manufacturer’s instructions.
    3. Dilute siRNA to working concentration in serum-free growth media. For siPORT or similar transfections into 12 well plates, we recommend starting siRNA concentration optimization at around 100 pmol siRNA duplex in 100 ul of serum free media.Optimal dilution should be experimentally determined.
    4. Combine diluted siRNA and transfection reagent. Equivalent volumes of prepared siPORT 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 12 well plates this will entail adding the above solution to cells in approximately 1-1.5 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. In this experiment, to achieve better knockdown in rat primary osteoblasts, cells were briefly permeabilized with 20 ug/ml saponin after an initial 4 hour incubation with siRNA complexes and allowed to continue incubation overnight.
    7. Allow cells to recover by adding 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. Estrogen Receptor (ER) knockdown at the protein level was measured at 72 hours post transfection via western blot.

Estrogen receptor General Information

Gene Name: Esr1
Entrez Gene ID: 24890
NCBI Ref Seq Accession Number: NP_036821
Uniprot ID:
Estrogen receptor Molecular Weight:
Alternate Names: RNESTROR, ER-alpha, Esr, ESRA, ERA, ERAlpha, ER

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 Rat Estrogen receptor siRNA - DISCONTINUED