STAT6 Leeporter™ Luciferase Reporter-Ba/F3 Cell Line

Fig-1: Induction of STAT6 activity by mIL-4 in STAT6 Leeporter™ - Ba/F3 cells.

STAT6 Leeporter™ Luciferase Reporter-Ba/F3 Cell Line

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Product code: 14-146ACL

Application :	Functional Assay

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Shipping Info:

Order now and get it on Thursday December 26, 2024

Same day delivery FREE on San Diego area orders placed by 1.00 PM

Download TDS / Manual MSDS

Amount :	1 Vial
Content :	Each vial contains 2 ~ 3 x 10^6 cells in 1 ml of 90% FBS + 10% DMSO.
Storage condition :	Immediately upon receipt, store in liquid nitrogen.

The STAT6 Leeporter™ Luciferase Reporter cell line is a stably transfected Ba/F3 cell line which expresses Renilla luciferase reporter gene under the transcriptional control of the STAT6 responsive promoter, so that the cell line is designed to measure the transcriptional activity of STAT6. Signal Transducer and Activator of Transcription 6 (STAT6) is a member of the STAT transcription factor family and plays an important role in adaptive immunity by transducing signals from extracellular cytokines including IL-4. The STAT6 induction by IL-4 is shown in Figure 1.

Application:

Monitor the STAT6 signaling pathway activity.
Screen for activators or inhibitors of the STAT6 signaling pathway.

Culture conditions:

Cells should be grown at 37^oC with 5% CO₂ using RPMI medium supplemented with 10% heat-inactivated FBS, 1 mM sodium pyruvate, 10 mM HEPES and 1% Pen/Strep, plus 5 ng/ml mIL-3 (Note: mIL-3 is essential for Ba/F3 cell maintenance), plus 3 µg/ml of Puromycin. (Note: The parental Ba/F3-Puro cell line (Part #14135CCL) is a blank vector-transfected stable cell line which also requires 3 µg/ml of Puromycin for cell culture maintenance! Puromycin can be omitted during the reporter cell assays).

It is recommended to quickly thaw the frozen cells upon receipt or from liquid nitrogen in a 37^oC water-bath, transfer to a tube containing 10 ml of growth medium without Puromycin, spin down cells, resuspend cells in pre-warmed growth medium without Puromycin, transfer resuspended cells to T25 flask and culture in 37^oC-CO₂ incubator.

Monitor the cell viability by counting cells daily for 1~3 days until cells completely recover viability as cells are doubling daily. Once cells are over 90% confluent, harvest cells by centrifugation and passage cells. At first passage, switch to growth medium containing Puromycin. Cells should be split before they reach complete confluence.

To passage the cells, transfer cells to a tube, spin down cells, resuspend cells and seed appropriate aliquots of cell suspension into new culture vessels. Subcultivation ration = 1:10 to 1:20 weekly. To achieve satisfactory results, cells should not be passaged over 16 times.

Functional validation:

A. Response of STAT6 Leeporter™ – Ba/F3 cells to mIL-4.

1. Harvest STAT6 Leeporter™ – Ba/F3 cells and seed cells into a white solid-bottom 96-well microplate in 100 µl of growth medium without IL-3 at 1 x 10^5 cells/well.

2. Right after plating cells, stimulate cells with various concentrations of mouse IL-4 and incubate cells at 37^oC in a CO₂ incubator for 16 hours.

3. Equilibrate the plate to room temperature for 10 minutes.

4. Add 50 µl of luciferase assay reagent (Abeomics, Cat #17-1101; Refer to the reagent datasheet for the detailed luciferase assay protocol) per well.

5. Read the plate in 1-5 minutes to measure luminescence using a microplate luminometer.

LIMITED USE RESTRICTIONS:

THIS PRODUCT IS SOLELY FOR IN VITRO RESEARCH USE ONLY. NOT FOR DIAGNOSTIC OR THERAPEUTIC USE.

By use of this product, user agrees to be bound by the terms of this limited use statement.

This product is solely for Internal Research Purposes and not for Commercial Purposes. Commercial Purposes include, but are not limited to (1) use of the cell line in manufacturing; (2) use of the cell line to provide a service, information or data; (3) use of the cell line for therapeutic, diagnostic or prophylactic purposes; or (4) resale of the cell line whether or not such cell lines are resold for use in research. The buyer cannot sell, give or otherwise transfer this product to a third party.

Commercial License Agreement is available for non-research/ non-inhouse/ commercial use if applicable. Please contact Abeomics ([email protected]).

For Research Use Only. Not for use in diagnostic/therapeutics procedures.

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